src/generic/grid.cpp

   1 ///////////////////////////////////////////////////////////////////////////
   2 // Name:        src/generic/grid.cpp
   3 // Purpose:     wxGrid and related classes
   4 // Author:      Michael Bedward (based on code by Julian Smart, Robin Dunn)
   5 // Modified by: Robin Dunn, Vadim Zeitlin, Santiago Palacios
   6 // Created:     1/08/1999
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Michael Bedward (mbedward@ozemail.com.au)
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx/wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16     #pragma hdrstop
  17 #endif
  18
  19 #if wxUSE_GRID
  20
  21 #include "wx/grid.h"
  22
  23 #ifndef WX_PRECOMP
  24     #include "wx/utils.h"
  25     #include "wx/dcclient.h"
  26     #include "wx/settings.h"
  27     #include "wx/log.h"
  28     #include "wx/textctrl.h"
  29     #include "wx/checkbox.h"
  30     #include "wx/combobox.h"
  31     #include "wx/valtext.h"
  32     #include "wx/intl.h"
  33     #include "wx/math.h"
  34     #include "wx/listbox.h"
  35 #endif
  36
  37 #include "wx/textfile.h"
  38 #include "wx/spinctrl.h"
  39 #include "wx/tokenzr.h"
  40 #include "wx/renderer.h"
  41
  42 #include "wx/generic/gridsel.h"
  43
  44 const wxChar wxGridNameStr[] = wxT("grid");
  45
  46 #if defined(__WXMOTIF__)
  47     #define WXUNUSED_MOTIF(identifier)  WXUNUSED(identifier)
  48 #else
  49     #define WXUNUSED_MOTIF(identifier)  identifier
  50 #endif
  51
  52 #if defined(__WXGTK__)
  53     #define WXUNUSED_GTK(identifier)    WXUNUSED(identifier)
  54 #else
  55     #define WXUNUSED_GTK(identifier)    identifier
  56 #endif
  57
  58 // Required for wxIs... functions
  59 #include <ctype.h>
  60
  61 // ----------------------------------------------------------------------------
  62 // array classes
  63 // ----------------------------------------------------------------------------
  64
  65 WX_DEFINE_ARRAY_WITH_DECL_PTR(wxGridCellAttr *, wxArrayAttrs,
  66                                  class WXDLLIMPEXP_ADV);
  67
  68 struct wxGridCellWithAttr
  69 {
  70     wxGridCellWithAttr(int row, int col, wxGridCellAttr *attr_)
  71         : coords(row, col), attr(attr_)
  72     {
  73     }
  74
  75     ~wxGridCellWithAttr()
  76     {
  77         attr->DecRef();
  78     }
  79
  80     wxGridCellCoords coords;
  81     wxGridCellAttr  *attr;
  82
  83 // Cannot do this:
  84 //  DECLARE_NO_COPY_CLASS(wxGridCellWithAttr)
  85 // without rewriting the macros, which require a public copy constructor.
  86 };
  87
  88 WX_DECLARE_OBJARRAY_WITH_DECL(wxGridCellWithAttr, wxGridCellWithAttrArray,
  89                               class WXDLLIMPEXP_ADV);
  90
  91 #include "wx/arrimpl.cpp"
  92
  93 WX_DEFINE_OBJARRAY(wxGridCellCoordsArray)
  94 WX_DEFINE_OBJARRAY(wxGridCellWithAttrArray)
  95
  96 // ----------------------------------------------------------------------------
  97 // events
  98 // ----------------------------------------------------------------------------
  99
 100 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_LEFT_CLICK)
 101 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_RIGHT_CLICK)
 102 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_LEFT_DCLICK)
 103 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_RIGHT_DCLICK)
 104 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_BEGIN_DRAG)
 105 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_LEFT_CLICK)
 106 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_RIGHT_CLICK)
 107 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_LEFT_DCLICK)
 108 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_RIGHT_DCLICK)
 109 DEFINE_EVENT_TYPE(wxEVT_GRID_ROW_SIZE)
 110 DEFINE_EVENT_TYPE(wxEVT_GRID_COL_SIZE)
 111 DEFINE_EVENT_TYPE(wxEVT_GRID_COL_MOVE)
 112 DEFINE_EVENT_TYPE(wxEVT_GRID_RANGE_SELECT)
 113 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_CHANGE)
 114 DEFINE_EVENT_TYPE(wxEVT_GRID_SELECT_CELL)
 115 DEFINE_EVENT_TYPE(wxEVT_GRID_EDITOR_SHOWN)
 116 DEFINE_EVENT_TYPE(wxEVT_GRID_EDITOR_HIDDEN)
 117 DEFINE_EVENT_TYPE(wxEVT_GRID_EDITOR_CREATED)
 118
 119 // ----------------------------------------------------------------------------
 120 // private classes
 121 // ----------------------------------------------------------------------------
 122
 123 class WXDLLIMPEXP_ADV wxGridRowLabelWindow : public wxWindow
 124 {
 125 public:
 126     wxGridRowLabelWindow() { m_owner = (wxGrid *)NULL; }
 127     wxGridRowLabelWindow( wxGrid *parent, wxWindowID id,
 128                           const wxPoint &pos, const wxSize &size );
 129
 130 private:
 131     wxGrid   *m_owner;
 132
 133     void OnPaint( wxPaintEvent& event );
 134     void OnMouseEvent( wxMouseEvent& event );
 135     void OnMouseWheel( wxMouseEvent& event );
 136     void OnKeyDown( wxKeyEvent& event );
 137     void OnKeyUp( wxKeyEvent& );
 138     void OnChar( wxKeyEvent& );
 139
 140     DECLARE_DYNAMIC_CLASS(wxGridRowLabelWindow)
 141     DECLARE_EVENT_TABLE()
 142     DECLARE_NO_COPY_CLASS(wxGridRowLabelWindow)
 143 };
 144
 145
 146 class WXDLLIMPEXP_ADV wxGridColLabelWindow : public wxWindow
 147 {
 148 public:
 149     wxGridColLabelWindow() { m_owner = (wxGrid *)NULL; }
 150     wxGridColLabelWindow( wxGrid *parent, wxWindowID id,
 151                           const wxPoint &pos, const wxSize &size );
 152
 153 private:
 154     wxGrid   *m_owner;
 155
 156     void OnPaint( wxPaintEvent& event );
 157     void OnMouseEvent( wxMouseEvent& event );
 158     void OnMouseWheel( wxMouseEvent& event );
 159     void OnKeyDown( wxKeyEvent& event );
 160     void OnKeyUp( wxKeyEvent& );
 161     void OnChar( wxKeyEvent& );
 162
 163     DECLARE_DYNAMIC_CLASS(wxGridColLabelWindow)
 164     DECLARE_EVENT_TABLE()
 165     DECLARE_NO_COPY_CLASS(wxGridColLabelWindow)
 166 };
 167
 168
 169 class WXDLLIMPEXP_ADV wxGridCornerLabelWindow : public wxWindow
 170 {
 171 public:
 172     wxGridCornerLabelWindow() { m_owner = (wxGrid *)NULL; }
 173     wxGridCornerLabelWindow( wxGrid *parent, wxWindowID id,
 174                              const wxPoint &pos, const wxSize &size );
 175
 176 private:
 177     wxGrid *m_owner;
 178
 179     void OnMouseEvent( wxMouseEvent& event );
 180     void OnMouseWheel( wxMouseEvent& event );
 181     void OnKeyDown( wxKeyEvent& event );
 182     void OnKeyUp( wxKeyEvent& );
 183     void OnChar( wxKeyEvent& );
 184     void OnPaint( wxPaintEvent& event );
 185
 186     DECLARE_DYNAMIC_CLASS(wxGridCornerLabelWindow)
 187     DECLARE_EVENT_TABLE()
 188     DECLARE_NO_COPY_CLASS(wxGridCornerLabelWindow)
 189 };
 190
 191 class WXDLLIMPEXP_ADV wxGridWindow : public wxWindow
 192 {
 193 public:
 194     wxGridWindow()
 195     {
 196         m_owner = NULL;
 197         m_rowLabelWin = NULL;
 198         m_colLabelWin = NULL;
 199     }
 200
 201     wxGridWindow( wxGrid *parent,
 202                   wxGridRowLabelWindow *rowLblWin,
 203                   wxGridColLabelWindow *colLblWin,
 204                   wxWindowID id, const wxPoint &pos, const wxSize &size );
 205     virtual ~wxGridWindow() {}
 206
 207     void ScrollWindow( int dx, int dy, const wxRect *rect );
 208
 209     wxGrid* GetOwner() { return m_owner; }
 210
 211 private:
 212     wxGrid                   *m_owner;
 213     wxGridRowLabelWindow     *m_rowLabelWin;
 214     wxGridColLabelWindow     *m_colLabelWin;
 215
 216     void OnPaint( wxPaintEvent &event );
 217     void OnMouseWheel( wxMouseEvent& event );
 218     void OnMouseEvent( wxMouseEvent& event );
 219     void OnKeyDown( wxKeyEvent& );
 220     void OnKeyUp( wxKeyEvent& );
 221     void OnChar( wxKeyEvent& );
 222     void OnEraseBackground( wxEraseEvent& );
 223     void OnFocus( wxFocusEvent& );
 224
 225     DECLARE_DYNAMIC_CLASS(wxGridWindow)
 226     DECLARE_EVENT_TABLE()
 227     DECLARE_NO_COPY_CLASS(wxGridWindow)
 228 };
 229
 230
 231 class wxGridCellEditorEvtHandler : public wxEvtHandler
 232 {
 233 public:
 234     wxGridCellEditorEvtHandler(wxGrid* grid, wxGridCellEditor* editor)
 235         : m_grid(grid),
 236           m_editor(editor),
 237           m_inSetFocus(false)
 238     {
 239     }
 240
 241     void OnKillFocus(wxFocusEvent& event);
 242     void OnKeyDown(wxKeyEvent& event);
 243     void OnChar(wxKeyEvent& event);
 244
 245     void SetInSetFocus(bool inSetFocus) { m_inSetFocus = inSetFocus; }
 246
 247 private:
 248     wxGrid             *m_grid;
 249     wxGridCellEditor   *m_editor;
 250
 251     // Work around the fact that a focus kill event can be sent to
 252     // a combobox within a set focus event.
 253     bool                m_inSetFocus;
 254
 255     DECLARE_EVENT_TABLE()
 256     DECLARE_DYNAMIC_CLASS(wxGridCellEditorEvtHandler)
 257     DECLARE_NO_COPY_CLASS(wxGridCellEditorEvtHandler)
 258 };
 259
 260
 261 IMPLEMENT_ABSTRACT_CLASS(wxGridCellEditorEvtHandler, wxEvtHandler)
 262
 263 BEGIN_EVENT_TABLE( wxGridCellEditorEvtHandler, wxEvtHandler )
 264     EVT_KILL_FOCUS( wxGridCellEditorEvtHandler::OnKillFocus )
 265     EVT_KEY_DOWN( wxGridCellEditorEvtHandler::OnKeyDown )
 266     EVT_CHAR( wxGridCellEditorEvtHandler::OnChar )
 267 END_EVENT_TABLE()
 268
 269
 270 // ----------------------------------------------------------------------------
 271 // the internal data representation used by wxGridCellAttrProvider
 272 // ----------------------------------------------------------------------------
 273
 274 // this class stores attributes set for cells
 275 class WXDLLIMPEXP_ADV wxGridCellAttrData
 276 {
 277 public:
 278     void SetAttr(wxGridCellAttr *attr, int row, int col);
 279     wxGridCellAttr *GetAttr(int row, int col) const;
 280     void UpdateAttrRows( size_t pos, int numRows );
 281     void UpdateAttrCols( size_t pos, int numCols );
 282
 283 private:
 284     // searches for the attr for given cell, returns wxNOT_FOUND if not found
 285     int FindIndex(int row, int col) const;
 286
 287     wxGridCellWithAttrArray m_attrs;
 288 };
 289
 290 // this class stores attributes set for rows or columns
 291 class WXDLLIMPEXP_ADV wxGridRowOrColAttrData
 292 {
 293 public:
 294     // empty ctor to suppress warnings
 295     wxGridRowOrColAttrData() {}
 296     ~wxGridRowOrColAttrData();
 297
 298     void SetAttr(wxGridCellAttr *attr, int rowOrCol);
 299     wxGridCellAttr *GetAttr(int rowOrCol) const;
 300     void UpdateAttrRowsOrCols( size_t pos, int numRowsOrCols );
 301
 302 private:
 303     wxArrayInt m_rowsOrCols;
 304     wxArrayAttrs m_attrs;
 305 };
 306
 307 // NB: this is just a wrapper around 3 objects: one which stores cell
 308 //     attributes, and 2 others for row/col ones
 309 class WXDLLIMPEXP_ADV wxGridCellAttrProviderData
 310 {
 311 public:
 312     wxGridCellAttrData m_cellAttrs;
 313     wxGridRowOrColAttrData m_rowAttrs,
 314                            m_colAttrs;
 315 };
 316
 317
 318 // ----------------------------------------------------------------------------
 319 // data structures used for the data type registry
 320 // ----------------------------------------------------------------------------
 321
 322 struct wxGridDataTypeInfo
 323 {
 324     wxGridDataTypeInfo(const wxString& typeName,
 325                        wxGridCellRenderer* renderer,
 326                        wxGridCellEditor* editor)
 327         : m_typeName(typeName), m_renderer(renderer), m_editor(editor)
 328         {}
 329
 330     ~wxGridDataTypeInfo()
 331     {
 332         wxSafeDecRef(m_renderer);
 333         wxSafeDecRef(m_editor);
 334     }
 335
 336     wxString            m_typeName;
 337     wxGridCellRenderer* m_renderer;
 338     wxGridCellEditor*   m_editor;
 339
 340     DECLARE_NO_COPY_CLASS(wxGridDataTypeInfo)
 341 };
 342
 343
 344 WX_DEFINE_ARRAY_WITH_DECL_PTR(wxGridDataTypeInfo*, wxGridDataTypeInfoArray,
 345                                  class WXDLLIMPEXP_ADV);
 346
 347
 348 class WXDLLIMPEXP_ADV wxGridTypeRegistry
 349 {
 350 public:
 351   wxGridTypeRegistry() {}
 352     ~wxGridTypeRegistry();
 353
 354     void RegisterDataType(const wxString& typeName,
 355                      wxGridCellRenderer* renderer,
 356                      wxGridCellEditor* editor);
 357
 358     // find one of already registered data types
 359     int FindRegisteredDataType(const wxString& typeName);
 360
 361     // try to FindRegisteredDataType(), if this fails and typeName is one of
 362     // standard typenames, register it and return its index
 363     int FindDataType(const wxString& typeName);
 364
 365     // try to FindDataType(), if it fails see if it is not one of already
 366     // registered data types with some params in which case clone the
 367     // registered data type and set params for it
 368     int FindOrCloneDataType(const wxString& typeName);
 369
 370     wxGridCellRenderer* GetRenderer(int index);
 371     wxGridCellEditor*   GetEditor(int index);
 372
 373 private:
 374     wxGridDataTypeInfoArray m_typeinfo;
 375 };
 376
 377
 378 // ----------------------------------------------------------------------------
 379 // conditional compilation
 380 // ----------------------------------------------------------------------------
 381
 382 #ifndef WXGRID_DRAW_LINES
 383 #define WXGRID_DRAW_LINES 1
 384 #endif
 385
 386 // ----------------------------------------------------------------------------
 387 // globals
 388 // ----------------------------------------------------------------------------
 389
 390 //#define DEBUG_ATTR_CACHE
 391 #ifdef DEBUG_ATTR_CACHE
 392     static size_t gs_nAttrCacheHits = 0;
 393     static size_t gs_nAttrCacheMisses = 0;
 394 #endif
 395
 396 // ----------------------------------------------------------------------------
 397 // constants
 398 // ----------------------------------------------------------------------------
 399
 400 wxGridCellCoords wxGridNoCellCoords( -1, -1 );
 401 wxRect wxGridNoCellRect( -1, -1, -1, -1 );
 402
 403 // scroll line size
 404 // TODO: this doesn't work at all, grid cells have different sizes and approx
 405 //       calculations don't work as because of the size mismatch scrollbars
 406 //       sometimes fail to be shown when they should be or vice versa
 407 //
 408 //       The scroll bars may be a little flakey once in a while, but that is
 409 //       surely much less horrible than having scroll lines of only 1!!!
 410 //       -- Robin
 411 //
 412 //       Well, it's still seriously broken so it might be better but needs
 413 //       fixing anyhow
 414 //       -- Vadim
 415 static const size_t GRID_SCROLL_LINE_X = 15;  // 1;
 416 static const size_t GRID_SCROLL_LINE_Y = GRID_SCROLL_LINE_X;
 417
 418 // the size of hash tables used a bit everywhere (the max number of elements
 419 // in these hash tables is the number of rows/columns)
 420 static const int GRID_HASH_SIZE = 100;
 421
 422 #if 0
 423 // ----------------------------------------------------------------------------
 424 // private functions
 425 // ----------------------------------------------------------------------------
 426
 427 static inline int GetScrollX(int x)
 428 {
 429     return (x + GRID_SCROLL_LINE_X - 1) / GRID_SCROLL_LINE_X;
 430 }
 431
 432 static inline int GetScrollY(int y)
 433 {
 434     return (y + GRID_SCROLL_LINE_Y - 1) / GRID_SCROLL_LINE_Y;
 435 }
 436 #endif
 437
 438 // ============================================================================
 439 // implementation
 440 // ============================================================================
 441
 442 // ----------------------------------------------------------------------------
 443 // wxGridCellEditor
 444 // ----------------------------------------------------------------------------
 445
 446 wxGridCellEditor::wxGridCellEditor()
 447 {
 448     m_control = NULL;
 449     m_attr = NULL;
 450 }
 451
 452 wxGridCellEditor::~wxGridCellEditor()
 453 {
 454     Destroy();
 455 }
 456
 457 void wxGridCellEditor::Create(wxWindow* WXUNUSED(parent),
 458                               wxWindowID WXUNUSED(id),
 459                               wxEvtHandler* evtHandler)
 460 {
 461     if ( evtHandler )
 462         m_control->PushEventHandler(evtHandler);
 463 }
 464
 465 void wxGridCellEditor::PaintBackground(const wxRect& rectCell,
 466                                        wxGridCellAttr *attr)
 467 {
 468     // erase the background because we might not fill the cell
 469     wxClientDC dc(m_control->GetParent());
 470     wxGridWindow* gridWindow = wxDynamicCast(m_control->GetParent(), wxGridWindow);
 471     if (gridWindow)
 472         gridWindow->GetOwner()->PrepareDC(dc);
 473
 474     dc.SetPen(*wxTRANSPARENT_PEN);
 475     dc.SetBrush(wxBrush(attr->GetBackgroundColour(), wxSOLID));
 476     dc.DrawRectangle(rectCell);
 477
 478     // redraw the control we just painted over
 479     m_control->Refresh();
 480 }
 481
 482 void wxGridCellEditor::Destroy()
 483 {
 484     if (m_control)
 485     {
 486         m_control->PopEventHandler( true /* delete it*/ );
 487
 488         m_control->Destroy();
 489         m_control = NULL;
 490     }
 491 }
 492
 493 void wxGridCellEditor::Show(bool show, wxGridCellAttr *attr)
 494 {
 495     wxASSERT_MSG(m_control, wxT("The wxGridCellEditor must be created first!"));
 496
 497     m_control->Show(show);
 498
 499     if ( show )
 500     {
 501         // set the colours/fonts if we have any
 502         if ( attr )
 503         {
 504             m_colFgOld = m_control->GetForegroundColour();
 505             m_control->SetForegroundColour(attr->GetTextColour());
 506
 507             m_colBgOld = m_control->GetBackgroundColour();
 508             m_control->SetBackgroundColour(attr->GetBackgroundColour());
 509
 510 // Workaround for GTK+1 font setting problem on some platforms
 511 #if !defined(__WXGTK__) || defined(__WXGTK20__)
 512             m_fontOld = m_control->GetFont();
 513             m_control->SetFont(attr->GetFont());
 514 #endif
 515
 516             // can't do anything more in the base class version, the other
 517             // attributes may only be used by the derived classes
 518         }
 519     }
 520     else
 521     {
 522         // restore the standard colours fonts
 523         if ( m_colFgOld.Ok() )
 524         {
 525             m_control->SetForegroundColour(m_colFgOld);
 526             m_colFgOld = wxNullColour;
 527         }
 528
 529         if ( m_colBgOld.Ok() )
 530         {
 531             m_control->SetBackgroundColour(m_colBgOld);
 532             m_colBgOld = wxNullColour;
 533         }
 534
 535 // Workaround for GTK+1 font setting problem on some platforms
 536 #if !defined(__WXGTK__) || defined(__WXGTK20__)
 537         if ( m_fontOld.Ok() )
 538         {
 539             m_control->SetFont(m_fontOld);
 540             m_fontOld = wxNullFont;
 541         }
 542 #endif
 543     }
 544 }
 545
 546 void wxGridCellEditor::SetSize(const wxRect& rect)
 547 {
 548     wxASSERT_MSG(m_control, wxT("The wxGridCellEditor must be created first!"));
 549
 550     m_control->SetSize(rect, wxSIZE_ALLOW_MINUS_ONE);
 551 }
 552
 553 void wxGridCellEditor::HandleReturn(wxKeyEvent& event)
 554 {
 555     event.Skip();
 556 }
 557
 558 bool wxGridCellEditor::IsAcceptedKey(wxKeyEvent& event)
 559 {
 560     bool ctrl = event.ControlDown();
 561     bool alt  = event.AltDown();
 562
 563 #ifdef __WXMAC__
 564     // On the Mac the Alt key is more like shift and is used for entry of
 565     // valid characters, so check for Ctrl and Meta instead.
 566     alt = event.MetaDown();
 567 #endif
 568
 569     // Assume it's not a valid char if ctrl or alt is down, but if both are
 570     // down then it may be because of an AltGr key combination, so let them
 571     // through in that case.
 572     if ((ctrl || alt) && !(ctrl && alt))
 573         return false;
 574
 575     int key = 0;
 576     bool keyOk = true;
 577
 578 #ifdef __WXGTK20__
 579     // If it's a F-Key or other special key then it shouldn't start the
 580     // editor.
 581     if (event.GetKeyCode() >= WXK_START)
 582         return false;
 583 #endif
 584 #if wxUSE_UNICODE
 585     // if the unicode key code is not really a unicode character (it may
 586     // be a function key or etc., the platforms appear to always give us a
 587     // small value in this case) then fallback to the ASCII key code but
 588     // don't do anything for function keys or etc.
 589     key = event.GetUnicodeKey();
 590     if (key <= 127)
 591     {
 592         key = event.GetKeyCode();
 593         keyOk = (key <= 127);
 594     }
 595 #else
 596     key = event.GetKeyCode();
 597     keyOk = (key <= 255);
 598 #endif
 599
 600     return keyOk;
 601 }
 602
 603 void wxGridCellEditor::StartingKey(wxKeyEvent& event)
 604 {
 605     event.Skip();
 606 }
 607
 608 void wxGridCellEditor::StartingClick()
 609 {
 610 }
 611
 612 #if wxUSE_TEXTCTRL
 613
 614 // ----------------------------------------------------------------------------
 615 // wxGridCellTextEditor
 616 // ----------------------------------------------------------------------------
 617
 618 wxGridCellTextEditor::wxGridCellTextEditor()
 619 {
 620     m_maxChars = 0;
 621 }
 622
 623 void wxGridCellTextEditor::Create(wxWindow* parent,
 624                                   wxWindowID id,
 625                                   wxEvtHandler* evtHandler)
 626 {
 627     m_control = new wxTextCtrl(parent, id, wxEmptyString,
 628                                wxDefaultPosition, wxDefaultSize
 629 #if defined(__WXMSW__)
 630                                ,
 631                                wxTE_PROCESS_ENTER |
 632                                wxTE_PROCESS_TAB |
 633                                wxTE_AUTO_SCROLL |
 634                                wxNO_BORDER
 635 #endif
 636                               );
 637
 638     // set max length allowed in the textctrl, if the parameter was set
 639     if (m_maxChars != 0)
 640     {
 641         ((wxTextCtrl*)m_control)->SetMaxLength(m_maxChars);
 642     }
 643
 644     wxGridCellEditor::Create(parent, id, evtHandler);
 645 }
 646
 647 void wxGridCellTextEditor::PaintBackground(const wxRect& WXUNUSED(rectCell),
 648                                            wxGridCellAttr * WXUNUSED(attr))
 649 {
 650     // as we fill the entire client area,
 651     // don't do anything here to minimize flicker
 652 }
 653
 654 void wxGridCellTextEditor::SetSize(const wxRect& rectOrig)
 655 {
 656     wxRect rect(rectOrig);
 657
 658     // Make the edit control large enough to allow for internal margins
 659     //
 660     // TODO: remove this if the text ctrl sizing is improved esp. for unix
 661     //
 662 #if defined(__WXGTK__)
 663     if (rect.x != 0)
 664     {
 665         rect.x += 1;
 666         rect.y += 1;
 667         rect.width -= 1;
 668         rect.height -= 1;
 669     }
 670 #elif defined(__WXMSW__)
 671     if ( rect.x == 0 )
 672         rect.x += 2;
 673     else
 674         rect.x += 3;
 675
 676     if ( rect.y == 0 )
 677         rect.y += 2;
 678     else
 679         rect.y += 3;
 680
 681     rect.width -= 2;
 682     rect.height -= 2;
 683 #else
 684     int extra_x = ( rect.x > 2 ) ? 2 : 1;
 685     int extra_y = ( rect.y > 2 ) ? 2 : 1;
 686
 687     #if defined(__WXMOTIF__)
 688         extra_x *= 2;
 689         extra_y *= 2;
 690     #endif
 691
 692     rect.SetLeft( wxMax(0, rect.x - extra_x) );
 693     rect.SetTop( wxMax(0, rect.y - extra_y) );
 694     rect.SetRight( rect.GetRight() + 2 * extra_x );
 695     rect.SetBottom( rect.GetBottom() + 2 * extra_y );
 696 #endif
 697
 698     wxGridCellEditor::SetSize(rect);
 699 }
 700
 701 void wxGridCellTextEditor::BeginEdit(int row, int col, wxGrid* grid)
 702 {
 703     wxASSERT_MSG(m_control, wxT("The wxGridCellEditor must be created first!"));
 704
 705     m_startValue = grid->GetTable()->GetValue(row, col);
 706
 707     DoBeginEdit(m_startValue);
 708 }
 709
 710 void wxGridCellTextEditor::DoBeginEdit(const wxString& startValue)
 711 {
 712     Text()->SetValue(startValue);
 713     Text()->SetInsertionPointEnd();
 714     Text()->SetSelection(-1, -1);
 715     Text()->SetFocus();
 716 }
 717
 718 bool wxGridCellTextEditor::EndEdit(int row, int col, wxGrid* grid)
 719 {
 720     wxASSERT_MSG(m_control, wxT("The wxGridCellEditor must be created first!"));
 721
 722     bool changed = false;
 723     wxString value = Text()->GetValue();
 724     if (value != m_startValue)
 725         changed = true;
 726
 727     if (changed)
 728         grid->GetTable()->SetValue(row, col, value);
 729
 730     m_startValue = wxEmptyString;
 731
 732     // No point in setting the text of the hidden control
 733     //Text()->SetValue(m_startValue);
 734
 735     return changed;
 736 }
 737
 738 void wxGridCellTextEditor::Reset()
 739 {
 740     wxASSERT_MSG(m_control, wxT("The wxGridCellEditor must be created first!"));
 741
 742     DoReset(m_startValue);
 743 }
 744
 745 void wxGridCellTextEditor::DoReset(const wxString& startValue)
 746 {
 747     Text()->SetValue(startValue);
 748     Text()->SetInsertionPointEnd();
 749 }
 750
 751 bool wxGridCellTextEditor::IsAcceptedKey(wxKeyEvent& event)
 752 {
 753     return wxGridCellEditor::IsAcceptedKey(event);
 754 }
 755
 756 void wxGridCellTextEditor::StartingKey(wxKeyEvent& event)
 757 {
 758     // Since this is now happening in the EVT_CHAR event EmulateKeyPress is no
 759     // longer an appropriate way to get the character into the text control.
 760     // Do it ourselves instead.  We know that if we get this far that we have
 761     // a valid character, so not a whole lot of testing needs to be done.
 762
 763     wxTextCtrl* tc = Text();
 764     wxChar ch;
 765     long pos;
 766
 767 #if wxUSE_UNICODE
 768     ch = event.GetUnicodeKey();
 769     if (ch <= 127)
 770         ch = (wxChar)event.GetKeyCode();
 771 #else
 772     ch = (wxChar)event.GetKeyCode();
 773 #endif
 774
 775     switch (ch)
 776     {
 777         case WXK_DELETE:
 778             // delete the character at the cursor
 779             pos = tc->GetInsertionPoint();
 780             if (pos < tc->GetLastPosition())
 781                 tc->Remove(pos, pos + 1);
 782             break;
 783
 784         case WXK_BACK:
 785             // delete the character before the cursor
 786             pos = tc->GetInsertionPoint();
 787             if (pos > 0)
 788                 tc->Remove(pos - 1, pos);
 789             break;
 790
 791         default:
 792             tc->WriteText(ch);
 793             break;
 794     }
 795 }
 796
 797 void wxGridCellTextEditor::HandleReturn( wxKeyEvent&
 798                                          WXUNUSED_GTK(WXUNUSED_MOTIF(event)) )
 799 {
 800 #if defined(__WXMOTIF__) || defined(__WXGTK__)
 801     // wxMotif needs a little extra help...
 802     size_t pos = (size_t)( Text()->GetInsertionPoint() );
 803     wxString s( Text()->GetValue() );
 804     s = s.Left(pos) + wxT("\n") + s.Mid(pos);
 805     Text()->SetValue(s);
 806     Text()->SetInsertionPoint( pos );
 807 #else
 808     // the other ports can handle a Return key press
 809     //
 810     event.Skip();
 811 #endif
 812 }
 813
 814 void wxGridCellTextEditor::SetParameters(const wxString& params)
 815 {
 816     if ( !params )
 817     {
 818         // reset to default
 819         m_maxChars = 0;
 820     }
 821     else
 822     {
 823         long tmp;
 824         if ( params.ToLong(&tmp) )
 825         {
 826             m_maxChars = (size_t)tmp;
 827         }
 828         else
 829         {
 830             wxLogDebug( _T("Invalid wxGridCellTextEditor parameter string '%s' ignored"), params.c_str() );
 831         }
 832     }
 833 }
 834
 835 // return the value in the text control
 836 wxString wxGridCellTextEditor::GetValue() const
 837 {
 838     return Text()->GetValue();
 839 }
 840
 841 // ----------------------------------------------------------------------------
 842 // wxGridCellNumberEditor
 843 // ----------------------------------------------------------------------------
 844
 845 wxGridCellNumberEditor::wxGridCellNumberEditor(int min, int max)
 846 {
 847     m_min = min;
 848     m_max = max;
 849 }
 850
 851 void wxGridCellNumberEditor::Create(wxWindow* parent,
 852                                     wxWindowID id,
 853                                     wxEvtHandler* evtHandler)
 854 {
 855 #if wxUSE_SPINCTRL
 856     if ( HasRange() )
 857     {
 858         // create a spin ctrl
 859         m_control = new wxSpinCtrl(parent, wxID_ANY, wxEmptyString,
 860                                    wxDefaultPosition, wxDefaultSize,
 861                                    wxSP_ARROW_KEYS,
 862                                    m_min, m_max);
 863
 864         wxGridCellEditor::Create(parent, id, evtHandler);
 865     }
 866     else
 867 #endif
 868     {
 869         // just a text control
 870         wxGridCellTextEditor::Create(parent, id, evtHandler);
 871
 872 #if wxUSE_VALIDATORS
 873         Text()->SetValidator(wxTextValidator(wxFILTER_NUMERIC));
 874 #endif
 875     }
 876 }
 877
 878 void wxGridCellNumberEditor::BeginEdit(int row, int col, wxGrid* grid)
 879 {
 880     // first get the value
 881     wxGridTableBase *table = grid->GetTable();
 882     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_NUMBER) )
 883     {
 884         m_valueOld = table->GetValueAsLong(row, col);
 885     }
 886     else
 887     {
 888         m_valueOld = 0;
 889         wxString sValue = table->GetValue(row, col);
 890         if (! sValue.ToLong(&m_valueOld) && ! sValue.empty())
 891         {
 892             wxFAIL_MSG( _T("this cell doesn't have numeric value") );
 893             return;
 894         }
 895     }
 896
 897 #if wxUSE_SPINCTRL
 898     if ( HasRange() )
 899     {
 900         Spin()->SetValue((int)m_valueOld);
 901         Spin()->SetFocus();
 902     }
 903     else
 904 #endif
 905     {
 906         DoBeginEdit(GetString());
 907     }
 908 }
 909
 910 bool wxGridCellNumberEditor::EndEdit(int row, int col,
 911                                      wxGrid* grid)
 912 {
 913     bool changed;
 914     long value = 0;
 915     wxString text;
 916
 917 #if wxUSE_SPINCTRL
 918     if ( HasRange() )
 919     {
 920         value = Spin()->GetValue();
 921         changed = value != m_valueOld;
 922         if (changed)
 923             text = wxString::Format(wxT("%ld"), value);
 924     }
 925     else
 926 #endif
 927     {
 928         text = Text()->GetValue();
 929         changed = (text.empty() || text.ToLong(&value)) && (value != m_valueOld);
 930     }
 931
 932     if ( changed )
 933     {
 934         if (grid->GetTable()->CanSetValueAs(row, col, wxGRID_VALUE_NUMBER))
 935             grid->GetTable()->SetValueAsLong(row, col, value);
 936         else
 937             grid->GetTable()->SetValue(row, col, text);
 938     }
 939
 940     return changed;
 941 }
 942
 943 void wxGridCellNumberEditor::Reset()
 944 {
 945 #if wxUSE_SPINCTRL
 946     if ( HasRange() )
 947     {
 948         Spin()->SetValue((int)m_valueOld);
 949     }
 950     else
 951 #endif
 952     {
 953         DoReset(GetString());
 954     }
 955 }
 956
 957 bool wxGridCellNumberEditor::IsAcceptedKey(wxKeyEvent& event)
 958 {
 959     if ( wxGridCellEditor::IsAcceptedKey(event) )
 960     {
 961         int keycode = event.GetKeyCode();
 962         if ( (keycode < 128) &&
 963              (wxIsdigit(keycode) || keycode == '+' || keycode == '-'))
 964         {
 965             return true;
 966         }
 967     }
 968
 969     return false;
 970 }
 971
 972 void wxGridCellNumberEditor::StartingKey(wxKeyEvent& event)
 973 {
 974     int keycode = event.GetKeyCode();
 975     if ( !HasRange() )
 976     {
 977         if ( wxIsdigit(keycode) || keycode == '+' || keycode == '-')
 978         {
 979             wxGridCellTextEditor::StartingKey(event);
 980
 981             // skip Skip() below
 982             return;
 983         }
 984     }
 985 #if wxUSE_SPINCTRL
 986     else
 987     {
 988         if ( wxIsdigit(keycode) )
 989         {
 990             wxSpinCtrl* spin = (wxSpinCtrl*)m_control;
 991             spin->SetValue(keycode - '0');
 992             spin->SetSelection(1,1);
 993             return;
 994         }
 995     }
 996 #endif
 997
 998     event.Skip();
 999 }
1000
1001 void wxGridCellNumberEditor::SetParameters(const wxString& params)
1002 {
1003     if ( !params )
1004     {
1005         // reset to default
1006         m_min =
1007         m_max = -1;
1008     }
1009     else
1010     {
1011         long tmp;
1012         if ( params.BeforeFirst(_T(',')).ToLong(&tmp) )
1013         {
1014             m_min = (int)tmp;
1015
1016             if ( params.AfterFirst(_T(',')).ToLong(&tmp) )
1017             {
1018                 m_max = (int)tmp;
1019
1020                 // skip the error message below
1021                 return;
1022             }
1023         }
1024
1025         wxLogDebug(_T("Invalid wxGridCellNumberEditor parameter string '%s' ignored"), params.c_str());
1026     }
1027 }
1028
1029 // return the value in the spin control if it is there (the text control otherwise)
1030 wxString wxGridCellNumberEditor::GetValue() const
1031 {
1032     wxString s;
1033
1034 #if wxUSE_SPINCTRL
1035     if ( HasRange() )
1036     {
1037         long value = Spin()->GetValue();
1038         s.Printf(wxT("%ld"), value);
1039     }
1040     else
1041 #endif
1042     {
1043         s = Text()->GetValue();
1044     }
1045
1046     return s;
1047 }
1048
1049 // ----------------------------------------------------------------------------
1050 // wxGridCellFloatEditor
1051 // ----------------------------------------------------------------------------
1052
1053 wxGridCellFloatEditor::wxGridCellFloatEditor(int width, int precision)
1054 {
1055     m_width = width;
1056     m_precision = precision;
1057 }
1058
1059 void wxGridCellFloatEditor::Create(wxWindow* parent,
1060                                    wxWindowID id,
1061                                    wxEvtHandler* evtHandler)
1062 {
1063     wxGridCellTextEditor::Create(parent, id, evtHandler);
1064
1065 #if wxUSE_VALIDATORS
1066     Text()->SetValidator(wxTextValidator(wxFILTER_NUMERIC));
1067 #endif
1068 }
1069
1070 void wxGridCellFloatEditor::BeginEdit(int row, int col, wxGrid* grid)
1071 {
1072     // first get the value
1073     wxGridTableBase *table = grid->GetTable();
1074     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_FLOAT) )
1075     {
1076         m_valueOld = table->GetValueAsDouble(row, col);
1077     }
1078     else
1079     {
1080         m_valueOld = 0.0;
1081         wxString sValue = table->GetValue(row, col);
1082         if (! sValue.ToDouble(&m_valueOld) && ! sValue.empty())
1083         {
1084             wxFAIL_MSG( _T("this cell doesn't have float value") );
1085             return;
1086         }
1087     }
1088
1089     DoBeginEdit(GetString());
1090 }
1091
1092 bool wxGridCellFloatEditor::EndEdit(int row, int col,
1093                                      wxGrid* grid)
1094 {
1095     double value = 0.0;
1096     wxString text(Text()->GetValue());
1097
1098     if ( (text.empty() || text.ToDouble(&value)) &&
1099             !wxIsSameDouble(value, m_valueOld) )
1100     {
1101         if (grid->GetTable()->CanSetValueAs(row, col, wxGRID_VALUE_FLOAT))
1102             grid->GetTable()->SetValueAsDouble(row, col, value);
1103         else
1104             grid->GetTable()->SetValue(row, col, text);
1105
1106         return true;
1107     }
1108
1109     return false;
1110 }
1111
1112 void wxGridCellFloatEditor::Reset()
1113 {
1114     DoReset(GetString());
1115 }
1116
1117 void wxGridCellFloatEditor::StartingKey(wxKeyEvent& event)
1118 {
1119     int keycode = event.GetKeyCode();
1120     char tmpbuf[2];
1121     tmpbuf[0] = (char) keycode;
1122     tmpbuf[1] = '\0';
1123     wxString strbuf(tmpbuf, *wxConvCurrent);
1124
1125 #if wxUSE_INTL
1126     bool is_decimal_point = ( strbuf ==
1127        wxLocale::GetInfo(wxLOCALE_DECIMAL_POINT, wxLOCALE_CAT_NUMBER) );
1128 #else
1129     bool is_decimal_point = ( strbuf == _T(".") );
1130 #endif
1131
1132     if ( wxIsdigit(keycode) || keycode == '+' || keycode == '-'
1133          || is_decimal_point )
1134     {
1135         wxGridCellTextEditor::StartingKey(event);
1136
1137         // skip Skip() below
1138         return;
1139     }
1140
1141     event.Skip();
1142 }
1143
1144 void wxGridCellFloatEditor::SetParameters(const wxString& params)
1145 {
1146     if ( !params )
1147     {
1148         // reset to default
1149         m_width =
1150         m_precision = -1;
1151     }
1152     else
1153     {
1154         long tmp;
1155         if ( params.BeforeFirst(_T(',')).ToLong(&tmp) )
1156         {
1157             m_width = (int)tmp;
1158
1159             if ( params.AfterFirst(_T(',')).ToLong(&tmp) )
1160             {
1161                 m_precision = (int)tmp;
1162
1163                 // skip the error message below
1164                 return;
1165             }
1166         }
1167
1168         wxLogDebug(_T("Invalid wxGridCellFloatEditor parameter string '%s' ignored"), params.c_str());
1169     }
1170 }
1171
1172 wxString wxGridCellFloatEditor::GetString() const
1173 {
1174     wxString fmt;
1175     if ( m_precision == -1 && m_width != -1)
1176     {
1177         // default precision
1178         fmt.Printf(_T("%%%d.f"), m_width);
1179     }
1180     else if ( m_precision != -1 && m_width == -1)
1181     {
1182         // default width
1183         fmt.Printf(_T("%%.%df"), m_precision);
1184     }
1185     else if ( m_precision != -1 && m_width != -1 )
1186     {
1187         fmt.Printf(_T("%%%d.%df"), m_width, m_precision);
1188     }
1189     else
1190     {
1191         // default width/precision
1192         fmt = _T("%f");
1193     }
1194
1195     return wxString::Format(fmt, m_valueOld);
1196 }
1197
1198 bool wxGridCellFloatEditor::IsAcceptedKey(wxKeyEvent& event)
1199 {
1200     if ( wxGridCellEditor::IsAcceptedKey(event) )
1201     {
1202         const int keycode = event.GetKeyCode();
1203         if ( isascii(keycode) )
1204         {
1205             char tmpbuf[2];
1206             tmpbuf[0] = (char) keycode;
1207             tmpbuf[1] = '\0';
1208             wxString strbuf(tmpbuf, *wxConvCurrent);
1209
1210 #if wxUSE_INTL
1211             const wxString decimalPoint =
1212                 wxLocale::GetInfo(wxLOCALE_DECIMAL_POINT, wxLOCALE_CAT_NUMBER);
1213 #else
1214             const wxString decimalPoint(_T('.'));
1215 #endif
1216
1217             // accept digits, 'e' as in '1e+6', also '-', '+', and '.'
1218             if ( wxIsdigit(keycode) ||
1219                     tolower(keycode) == 'e' ||
1220                         keycode == decimalPoint ||
1221                             keycode == '+' ||
1222                                 keycode == '-' )
1223             {
1224                 return true;
1225             }
1226         }
1227     }
1228
1229     return false;
1230 }
1231
1232 #endif // wxUSE_TEXTCTRL
1233
1234 #if wxUSE_CHECKBOX
1235
1236 // ----------------------------------------------------------------------------
1237 // wxGridCellBoolEditor
1238 // ----------------------------------------------------------------------------
1239
1240 // the default values for GetValue()
1241 wxString wxGridCellBoolEditor::ms_stringValues[2] = { _T(""), _T("1") };
1242
1243 void wxGridCellBoolEditor::Create(wxWindow* parent,
1244                                   wxWindowID id,
1245                                   wxEvtHandler* evtHandler)
1246 {
1247     m_control = new wxCheckBox(parent, id, wxEmptyString,
1248                                wxDefaultPosition, wxDefaultSize,
1249                                wxNO_BORDER);
1250
1251     wxGridCellEditor::Create(parent, id, evtHandler);
1252 }
1253
1254 void wxGridCellBoolEditor::SetSize(const wxRect& r)
1255 {
1256     bool resize = false;
1257     wxSize size = m_control->GetSize();
1258     wxCoord minSize = wxMin(r.width, r.height);
1259
1260     // check if the checkbox is not too big/small for this cell
1261     wxSize sizeBest = m_control->GetBestSize();
1262     if ( !(size == sizeBest) )
1263     {
1264         // reset to default size if it had been made smaller
1265         size = sizeBest;
1266
1267         resize = true;
1268     }
1269
1270     if ( size.x >= minSize || size.y >= minSize )
1271     {
1272         // leave 1 pixel margin
1273         size.x = size.y = minSize - 2;
1274
1275         resize = true;
1276     }
1277
1278     if ( resize )
1279     {
1280         m_control->SetSize(size);
1281     }
1282
1283     // position it in the centre of the rectangle (TODO: support alignment?)
1284
1285 #if defined(__WXGTK__) || defined (__WXMOTIF__)
1286     // the checkbox without label still has some space to the right in wxGTK,
1287     // so shift it to the right
1288     size.x -= 8;
1289 #elif defined(__WXMSW__)
1290     // here too, but in other way
1291     size.x += 1;
1292     size.y -= 2;
1293 #endif
1294
1295     int hAlign = wxALIGN_CENTRE;
1296     int vAlign = wxALIGN_CENTRE;
1297     if (GetCellAttr())
1298         GetCellAttr()->GetAlignment(& hAlign, & vAlign);
1299
1300     int x = 0, y = 0;
1301     if (hAlign == wxALIGN_LEFT)
1302     {
1303         x = r.x + 2;
1304
1305 #ifdef __WXMSW__
1306         x += 2;
1307 #endif
1308
1309         y = r.y + r.height / 2 - size.y / 2;
1310     }
1311     else if (hAlign == wxALIGN_RIGHT)
1312     {
1313         x = r.x + r.width - size.x - 2;
1314         y = r.y + r.height / 2 - size.y / 2;
1315     }
1316     else if (hAlign == wxALIGN_CENTRE)
1317     {
1318         x = r.x + r.width / 2 - size.x / 2;
1319         y = r.y + r.height / 2 - size.y / 2;
1320     }
1321
1322     m_control->Move(x, y);
1323 }
1324
1325 void wxGridCellBoolEditor::Show(bool show, wxGridCellAttr *attr)
1326 {
1327     m_control->Show(show);
1328
1329     if ( show )
1330     {
1331         wxColour colBg = attr ? attr->GetBackgroundColour() : *wxLIGHT_GREY;
1332         CBox()->SetBackgroundColour(colBg);
1333     }
1334 }
1335
1336 void wxGridCellBoolEditor::BeginEdit(int row, int col, wxGrid* grid)
1337 {
1338     wxASSERT_MSG(m_control,
1339                  wxT("The wxGridCellEditor must be created first!"));
1340
1341     if (grid->GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL))
1342     {
1343         m_startValue = grid->GetTable()->GetValueAsBool(row, col);
1344     }
1345     else
1346     {
1347         wxString cellval( grid->GetTable()->GetValue(row, col) );
1348
1349         if ( cellval == ms_stringValues[false] )
1350             m_startValue = false;
1351         else if ( cellval == ms_stringValues[true] )
1352             m_startValue = true;
1353         else
1354         {
1355             // do not try to be smart here and convert it to true or false
1356             // because we'll still overwrite it with something different and
1357             // this risks to be very surprising for the user code, let them
1358             // know about it
1359             wxFAIL_MSG( _T("invalid value for a cell with bool editor!") );
1360         }
1361     }
1362
1363     CBox()->SetValue(m_startValue);
1364     CBox()->SetFocus();
1365 }
1366
1367 bool wxGridCellBoolEditor::EndEdit(int row, int col,
1368                                    wxGrid* grid)
1369 {
1370     wxASSERT_MSG(m_control,
1371                  wxT("The wxGridCellEditor must be created first!"));
1372
1373     bool changed = false;
1374     bool value = CBox()->GetValue();
1375     if ( value != m_startValue )
1376         changed = true;
1377
1378     if ( changed )
1379     {
1380         wxGridTableBase * const table = grid->GetTable();
1381         if ( table->CanGetValueAs(row, col, wxGRID_VALUE_BOOL) )
1382             table->SetValueAsBool(row, col, value);
1383         else
1384             table->SetValue(row, col, GetValue());
1385     }
1386
1387     return changed;
1388 }
1389
1390 void wxGridCellBoolEditor::Reset()
1391 {
1392     wxASSERT_MSG(m_control,
1393                  wxT("The wxGridCellEditor must be created first!"));
1394
1395     CBox()->SetValue(m_startValue);
1396 }
1397
1398 void wxGridCellBoolEditor::StartingClick()
1399 {
1400     CBox()->SetValue(!CBox()->GetValue());
1401 }
1402
1403 bool wxGridCellBoolEditor::IsAcceptedKey(wxKeyEvent& event)
1404 {
1405     if ( wxGridCellEditor::IsAcceptedKey(event) )
1406     {
1407         int keycode = event.GetKeyCode();
1408         switch ( keycode )
1409         {
1410             case WXK_SPACE:
1411             case '+':
1412             case '-':
1413                 return true;
1414         }
1415     }
1416
1417     return false;
1418 }
1419
1420 void wxGridCellBoolEditor::StartingKey(wxKeyEvent& event)
1421 {
1422     int keycode = event.GetKeyCode();
1423     switch ( keycode )
1424     {
1425         case WXK_SPACE:
1426             CBox()->SetValue(!CBox()->GetValue());
1427             break;
1428
1429         case '+':
1430             CBox()->SetValue(true);
1431             break;
1432
1433         case '-':
1434             CBox()->SetValue(false);
1435             break;
1436     }
1437 }
1438
1439 wxString wxGridCellBoolEditor::GetValue() const
1440 {
1441   return ms_stringValues[CBox()->GetValue()];
1442 }
1443
1444 /* static */ void
1445 wxGridCellBoolEditor::UseStringValues(const wxString& valueTrue,
1446                                       const wxString& valueFalse)
1447 {
1448     ms_stringValues[false] = valueFalse;
1449     ms_stringValues[true] = valueTrue;
1450 }
1451
1452 /* static */ bool
1453 wxGridCellBoolEditor::IsTrueValue(const wxString& value)
1454 {
1455     return value == ms_stringValues[true];
1456 }
1457
1458 #endif // wxUSE_CHECKBOX
1459
1460 #if wxUSE_COMBOBOX
1461
1462 // ----------------------------------------------------------------------------
1463 // wxGridCellChoiceEditor
1464 // ----------------------------------------------------------------------------
1465
1466 wxGridCellChoiceEditor::wxGridCellChoiceEditor(const wxArrayString& choices,
1467                                                bool allowOthers)
1468     : m_choices(choices),
1469       m_allowOthers(allowOthers) { }
1470
1471 wxGridCellChoiceEditor::wxGridCellChoiceEditor(size_t count,
1472                                                const wxString choices[],
1473                                                bool allowOthers)
1474                       : m_allowOthers(allowOthers)
1475 {
1476     if ( count )
1477     {
1478         m_choices.Alloc(count);
1479         for ( size_t n = 0; n < count; n++ )
1480         {
1481             m_choices.Add(choices[n]);
1482         }
1483     }
1484 }
1485
1486 wxGridCellEditor *wxGridCellChoiceEditor::Clone() const
1487 {
1488     wxGridCellChoiceEditor *editor = new wxGridCellChoiceEditor;
1489     editor->m_allowOthers = m_allowOthers;
1490     editor->m_choices = m_choices;
1491
1492     return editor;
1493 }
1494
1495 void wxGridCellChoiceEditor::Create(wxWindow* parent,
1496                                     wxWindowID id,
1497                                     wxEvtHandler* evtHandler)
1498 {
1499     m_control = new wxComboBox(parent, id, wxEmptyString,
1500                                wxDefaultPosition, wxDefaultSize,
1501                                m_choices,
1502                                m_allowOthers ? 0 : wxCB_READONLY);
1503
1504     wxGridCellEditor::Create(parent, id, evtHandler);
1505 }
1506
1507 void wxGridCellChoiceEditor::PaintBackground(const wxRect& rectCell,
1508                                              wxGridCellAttr * attr)
1509 {
1510     // as we fill the entire client area, don't do anything here to minimize
1511     // flicker
1512
1513     // TODO: It doesn't actually fill the client area since the height of a
1514     // combo always defaults to the standard.  Until someone has time to
1515     // figure out the right rectangle to paint, just do it the normal way.
1516     wxGridCellEditor::PaintBackground(rectCell, attr);
1517 }
1518
1519 void wxGridCellChoiceEditor::BeginEdit(int row, int col, wxGrid* grid)
1520 {
1521     wxASSERT_MSG(m_control,
1522                  wxT("The wxGridCellEditor must be created first!"));
1523
1524     wxGridCellEditorEvtHandler* evtHandler = NULL;
1525     if (m_control)
1526         evtHandler = wxDynamicCast(m_control->GetEventHandler(), wxGridCellEditorEvtHandler);
1527
1528     // Don't immediately end if we get a kill focus event within BeginEdit
1529     if (evtHandler)
1530         evtHandler->SetInSetFocus(true);
1531
1532     m_startValue = grid->GetTable()->GetValue(row, col);
1533
1534     if (m_allowOthers)
1535     {
1536         Combo()->SetValue(m_startValue);
1537     }
1538     else
1539     {
1540         // find the right position, or default to the first if not found
1541         int pos = Combo()->FindString(m_startValue);
1542         if (pos == wxNOT_FOUND)
1543             pos = 0;
1544         Combo()->SetSelection(pos);
1545     }
1546
1547     Combo()->SetInsertionPointEnd();
1548     Combo()->SetFocus();
1549
1550     if (evtHandler)
1551     {
1552         // When dropping down the menu, a kill focus event
1553         // happens after this point, so we can't reset the flag yet.
1554 #if !defined(__WXGTK20__)
1555         evtHandler->SetInSetFocus(false);
1556 #endif
1557     }
1558 }
1559
1560 bool wxGridCellChoiceEditor::EndEdit(int row, int col,
1561                                      wxGrid* grid)
1562 {
1563     wxString value = Combo()->GetValue();
1564     if ( value == m_startValue )
1565         return false;
1566
1567     grid->GetTable()->SetValue(row, col, value);
1568
1569     return true;
1570 }
1571
1572 void wxGridCellChoiceEditor::Reset()
1573 {
1574     Combo()->SetValue(m_startValue);
1575     Combo()->SetInsertionPointEnd();
1576 }
1577
1578 void wxGridCellChoiceEditor::SetParameters(const wxString& params)
1579 {
1580     if ( !params )
1581     {
1582         // what can we do?
1583         return;
1584     }
1585
1586     m_choices.Empty();
1587
1588     wxStringTokenizer tk(params, _T(','));
1589     while ( tk.HasMoreTokens() )
1590     {
1591         m_choices.Add(tk.GetNextToken());
1592     }
1593 }
1594
1595 // return the value in the text control
1596 wxString wxGridCellChoiceEditor::GetValue() const
1597 {
1598   return Combo()->GetValue();
1599 }
1600
1601 #endif // wxUSE_COMBOBOX
1602
1603 // ----------------------------------------------------------------------------
1604 // wxGridCellEditorEvtHandler
1605 // ----------------------------------------------------------------------------
1606
1607 void wxGridCellEditorEvtHandler::OnKillFocus(wxFocusEvent& event)
1608 {
1609     // Don't disable the cell if we're just starting to edit it
1610     if (m_inSetFocus)
1611         return;
1612
1613     // accept changes
1614     m_grid->DisableCellEditControl();
1615
1616     event.Skip();
1617 }
1618
1619 void wxGridCellEditorEvtHandler::OnKeyDown(wxKeyEvent& event)
1620 {
1621     switch ( event.GetKeyCode() )
1622     {
1623         case WXK_ESCAPE:
1624             m_editor->Reset();
1625             m_grid->DisableCellEditControl();
1626             break;
1627
1628         case WXK_TAB:
1629             m_grid->GetEventHandler()->ProcessEvent( event );
1630             break;
1631
1632         case WXK_RETURN:
1633         case WXK_NUMPAD_ENTER:
1634             if (!m_grid->GetEventHandler()->ProcessEvent(event))
1635                 m_editor->HandleReturn(event);
1636             break;
1637
1638         default:
1639             event.Skip();
1640             break;
1641     }
1642 }
1643
1644 void wxGridCellEditorEvtHandler::OnChar(wxKeyEvent& event)
1645 {
1646     int row = m_grid->GetGridCursorRow();
1647     int col = m_grid->GetGridCursorCol();
1648     wxRect rect = m_grid->CellToRect( row, col );
1649     int cw, ch;
1650     m_grid->GetGridWindow()->GetClientSize( &cw, &ch );
1651
1652     // if cell width is smaller than grid client area, cell is wholly visible
1653     bool wholeCellVisible = (rect.GetWidth() < cw);
1654
1655     switch ( event.GetKeyCode() )
1656     {
1657         case WXK_ESCAPE:
1658         case WXK_TAB:
1659         case WXK_RETURN:
1660         case WXK_NUMPAD_ENTER:
1661             break;
1662
1663         case WXK_HOME:
1664         {
1665             if ( wholeCellVisible )
1666             {
1667                 // no special processing needed...
1668                 event.Skip();
1669                 break;
1670             }
1671
1672             // do special processing for partly visible cell...
1673
1674             // get the widths of all cells previous to this one
1675             int colXPos = 0;
1676             for ( int i = 0; i < col; i++ )
1677             {
1678                 colXPos += m_grid->GetColSize(i);
1679             }
1680
1681             int xUnit = 1, yUnit = 1;
1682             m_grid->GetScrollPixelsPerUnit(&xUnit, &yUnit);
1683             if (col != 0)
1684             {
1685                 m_grid->Scroll(colXPos / xUnit - 1, m_grid->GetScrollPos(wxVERTICAL));
1686             }
1687             else
1688             {
1689                 m_grid->Scroll(colXPos / xUnit, m_grid->GetScrollPos(wxVERTICAL));
1690             }
1691             event.Skip();
1692             break;
1693         }
1694
1695         case WXK_END:
1696         {
1697             if ( wholeCellVisible )
1698             {
1699                 // no special processing needed...
1700                 event.Skip();
1701                 break;
1702             }
1703
1704             // do special processing for partly visible cell...
1705
1706             int textWidth = 0;
1707             wxString value = m_grid->GetCellValue(row, col);
1708             if ( wxEmptyString != value )
1709             {
1710                 // get width of cell CONTENTS (text)
1711                 int y;
1712                 wxFont font = m_grid->GetCellFont(row, col);
1713                 m_grid->GetTextExtent(value, &textWidth, &y, NULL, NULL, &font);
1714
1715                 // try to RIGHT align the text by scrolling
1716                 int client_right = m_grid->GetGridWindow()->GetClientSize().GetWidth();
1717
1718                 // (m_grid->GetScrollLineX()*2) is a factor for not scrolling to far,
1719                 // otherwise the last part of the cell content might be hidden below the scroll bar
1720                 // FIXME: maybe there is a more suitable correction?
1721                 textWidth -= (client_right - (m_grid->GetScrollLineX() * 2));
1722                 if ( textWidth < 0 )
1723                 {
1724                     textWidth = 0;
1725                 }
1726             }
1727
1728             // get the widths of all cells previous to this one
1729             int colXPos = 0;
1730             for ( int i = 0; i < col; i++ )
1731             {
1732                 colXPos += m_grid->GetColSize(i);
1733             }
1734
1735             // and add the (modified) text width of the cell contents
1736             // as we'd like to see the last part of the cell contents
1737             colXPos += textWidth;
1738
1739             int xUnit = 1, yUnit = 1;
1740             m_grid->GetScrollPixelsPerUnit(&xUnit, &yUnit);
1741             m_grid->Scroll(colXPos / xUnit - 1, m_grid->GetScrollPos(wxVERTICAL));
1742             event.Skip();
1743             break;
1744         }
1745
1746         default:
1747             event.Skip();
1748             break;
1749     }
1750 }
1751
1752 // ----------------------------------------------------------------------------
1753 // wxGridCellWorker is an (almost) empty common base class for
1754 // wxGridCellRenderer and wxGridCellEditor managing ref counting
1755 // ----------------------------------------------------------------------------
1756
1757 void wxGridCellWorker::SetParameters(const wxString& WXUNUSED(params))
1758 {
1759     // nothing to do
1760 }
1761
1762 wxGridCellWorker::~wxGridCellWorker()
1763 {
1764 }
1765
1766 // ============================================================================
1767 // renderer classes
1768 // ============================================================================
1769
1770 // ----------------------------------------------------------------------------
1771 // wxGridCellRenderer
1772 // ----------------------------------------------------------------------------
1773
1774 void wxGridCellRenderer::Draw(wxGrid& grid,
1775                               wxGridCellAttr& attr,
1776                               wxDC& dc,
1777                               const wxRect& rect,
1778                               int WXUNUSED(row), int WXUNUSED(col),
1779                               bool isSelected)
1780 {
1781     dc.SetBackgroundMode( wxSOLID );
1782
1783     // grey out fields if the grid is disabled
1784     if ( grid.IsEnabled() )
1785     {
1786         if ( isSelected )
1787         {
1788             dc.SetBrush( wxBrush(grid.GetSelectionBackground(), wxSOLID) );
1789         }
1790         else
1791         {
1792             dc.SetBrush( wxBrush(attr.GetBackgroundColour(), wxSOLID) );
1793         }
1794     }
1795     else
1796     {
1797         dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE), wxSOLID));
1798     }
1799
1800     dc.SetPen( *wxTRANSPARENT_PEN );
1801     dc.DrawRectangle(rect);
1802 }
1803
1804 // ----------------------------------------------------------------------------
1805 // wxGridCellStringRenderer
1806 // ----------------------------------------------------------------------------
1807
1808 void wxGridCellStringRenderer::SetTextColoursAndFont(const wxGrid& grid,
1809                                                      const wxGridCellAttr& attr,
1810                                                      wxDC& dc,
1811                                                      bool isSelected)
1812 {
1813     dc.SetBackgroundMode( wxTRANSPARENT );
1814
1815     // TODO some special colours for attr.IsReadOnly() case?
1816
1817     // different coloured text when the grid is disabled
1818     if ( grid.IsEnabled() )
1819     {
1820         if ( isSelected )
1821         {
1822             dc.SetTextBackground( grid.GetSelectionBackground() );
1823             dc.SetTextForeground( grid.GetSelectionForeground() );
1824         }
1825         else
1826         {
1827             dc.SetTextBackground( attr.GetBackgroundColour() );
1828             dc.SetTextForeground( attr.GetTextColour() );
1829         }
1830     }
1831     else
1832     {
1833         dc.SetTextBackground(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE));
1834         dc.SetTextForeground(wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT));
1835     }
1836
1837     dc.SetFont( attr.GetFont() );
1838 }
1839
1840 wxSize wxGridCellStringRenderer::DoGetBestSize(const wxGridCellAttr& attr,
1841                                                wxDC& dc,
1842                                                const wxString& text)
1843 {
1844     wxCoord x = 0, y = 0, max_x = 0;
1845     dc.SetFont(attr.GetFont());
1846     wxStringTokenizer tk(text, _T('\n'));
1847     while ( tk.HasMoreTokens() )
1848     {
1849         dc.GetTextExtent(tk.GetNextToken(), &x, &y);
1850         max_x = wxMax(max_x, x);
1851     }
1852
1853     y *= 1 + text.Freq(wxT('\n')); // multiply by the number of lines.
1854
1855     return wxSize(max_x, y);
1856 }
1857
1858 wxSize wxGridCellStringRenderer::GetBestSize(wxGrid& grid,
1859                                              wxGridCellAttr& attr,
1860                                              wxDC& dc,
1861                                              int row, int col)
1862 {
1863     return DoGetBestSize(attr, dc, grid.GetCellValue(row, col));
1864 }
1865
1866 void wxGridCellStringRenderer::Draw(wxGrid& grid,
1867                                     wxGridCellAttr& attr,
1868                                     wxDC& dc,
1869                                     const wxRect& rectCell,
1870                                     int row, int col,
1871                                     bool isSelected)
1872 {
1873     wxRect rect = rectCell;
1874     rect.Inflate(-1);
1875
1876     // erase only this cells background, overflow cells should have been erased
1877     wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
1878
1879     int hAlign, vAlign;
1880     attr.GetAlignment(&hAlign, &vAlign);
1881
1882     int overflowCols = 0;
1883
1884     if (attr.GetOverflow())
1885     {
1886         int cols = grid.GetNumberCols();
1887         int best_width = GetBestSize(grid,attr,dc,row,col).GetWidth();
1888         int cell_rows, cell_cols;
1889         attr.GetSize( &cell_rows, &cell_cols ); // shouldn't get here if <= 0
1890         if ((best_width > rectCell.width) && (col < cols) && grid.GetTable())
1891         {
1892             int i, c_cols, c_rows;
1893             for (i = col+cell_cols; i < cols; i++)
1894             {
1895                 bool is_empty = true;
1896                 for (int j=row; j < row + cell_rows; j++)
1897                 {
1898                     // check w/ anchor cell for multicell block
1899                     grid.GetCellSize(j, i, &c_rows, &c_cols);
1900                     if (c_rows > 0)
1901                         c_rows = 0;
1902                     if (!grid.GetTable()->IsEmptyCell(j + c_rows, i))
1903                     {
1904                         is_empty = false;
1905                         break;
1906                     }
1907                 }
1908
1909                 if (is_empty)
1910                 {
1911                     rect.width += grid.GetColSize(i);
1912                 }
1913                 else
1914                 {
1915                     i--;
1916                     break;
1917                 }
1918
1919                 if (rect.width >= best_width)
1920                     break;
1921             }
1922
1923             overflowCols = i - col - cell_cols + 1;
1924             if (overflowCols >= cols)
1925                 overflowCols = cols - 1;
1926         }
1927
1928         if (overflowCols > 0) // redraw overflow cells w/ proper hilight
1929         {
1930             hAlign = wxALIGN_LEFT; // if oveflowed then it's left aligned
1931             wxRect clip = rect;
1932             clip.x += rectCell.width;
1933             // draw each overflow cell individually
1934             int col_end = col + cell_cols + overflowCols;
1935             if (col_end >= grid.GetNumberCols())
1936                 col_end = grid.GetNumberCols() - 1;
1937             for (int i = col + cell_cols; i <= col_end; i++)
1938             {
1939                 clip.width = grid.GetColSize(i) - 1;
1940                 dc.DestroyClippingRegion();
1941                 dc.SetClippingRegion(clip);
1942
1943                 SetTextColoursAndFont(grid, attr, dc,
1944                         grid.IsInSelection(row,i));
1945
1946                 grid.DrawTextRectangle(dc, grid.GetCellValue(row, col),
1947                         rect, hAlign, vAlign);
1948                 clip.x += grid.GetColSize(i) - 1;
1949             }
1950
1951             rect = rectCell;
1952             rect.Inflate(-1);
1953             rect.width++;
1954             dc.DestroyClippingRegion();
1955         }
1956     }
1957
1958     // now we only have to draw the text
1959     SetTextColoursAndFont(grid, attr, dc, isSelected);
1960
1961     grid.DrawTextRectangle(dc, grid.GetCellValue(row, col),
1962                            rect, hAlign, vAlign);
1963 }
1964
1965 // ----------------------------------------------------------------------------
1966 // wxGridCellNumberRenderer
1967 // ----------------------------------------------------------------------------
1968
1969 wxString wxGridCellNumberRenderer::GetString(const wxGrid& grid, int row, int col)
1970 {
1971     wxGridTableBase *table = grid.GetTable();
1972     wxString text;
1973     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_NUMBER) )
1974     {
1975         text.Printf(_T("%ld"), table->GetValueAsLong(row, col));
1976     }
1977     else
1978     {
1979         text = table->GetValue(row, col);
1980     }
1981
1982     return text;
1983 }
1984
1985 void wxGridCellNumberRenderer::Draw(wxGrid& grid,
1986                                     wxGridCellAttr& attr,
1987                                     wxDC& dc,
1988                                     const wxRect& rectCell,
1989                                     int row, int col,
1990                                     bool isSelected)
1991 {
1992     wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
1993
1994     SetTextColoursAndFont(grid, attr, dc, isSelected);
1995
1996     // draw the text right aligned by default
1997     int hAlign, vAlign;
1998     attr.GetAlignment(&hAlign, &vAlign);
1999     hAlign = wxALIGN_RIGHT;
2000
2001     wxRect rect = rectCell;
2002     rect.Inflate(-1);
2003
2004     grid.DrawTextRectangle(dc, GetString(grid, row, col), rect, hAlign, vAlign);
2005 }
2006
2007 wxSize wxGridCellNumberRenderer::GetBestSize(wxGrid& grid,
2008                                              wxGridCellAttr& attr,
2009                                              wxDC& dc,
2010                                              int row, int col)
2011 {
2012     return DoGetBestSize(attr, dc, GetString(grid, row, col));
2013 }
2014
2015 // ----------------------------------------------------------------------------
2016 // wxGridCellFloatRenderer
2017 // ----------------------------------------------------------------------------
2018
2019 wxGridCellFloatRenderer::wxGridCellFloatRenderer(int width, int precision)
2020 {
2021     SetWidth(width);
2022     SetPrecision(precision);
2023 }
2024
2025 wxGridCellRenderer *wxGridCellFloatRenderer::Clone() const
2026 {
2027     wxGridCellFloatRenderer *renderer = new wxGridCellFloatRenderer;
2028     renderer->m_width = m_width;
2029     renderer->m_precision = m_precision;
2030     renderer->m_format = m_format;
2031
2032     return renderer;
2033 }
2034
2035 wxString wxGridCellFloatRenderer::GetString(const wxGrid& grid, int row, int col)
2036 {
2037     wxGridTableBase *table = grid.GetTable();
2038
2039     bool hasDouble;
2040     double val;
2041     wxString text;
2042     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_FLOAT) )
2043     {
2044         val = table->GetValueAsDouble(row, col);
2045         hasDouble = true;
2046     }
2047     else
2048     {
2049         text = table->GetValue(row, col);
2050         hasDouble = text.ToDouble(&val);
2051     }
2052
2053     if ( hasDouble )
2054     {
2055         if ( !m_format )
2056         {
2057             if ( m_width == -1 )
2058             {
2059                 if ( m_precision == -1 )
2060                 {
2061                     // default width/precision
2062                     m_format = _T("%f");
2063                 }
2064                 else
2065                 {
2066                     m_format.Printf(_T("%%.%df"), m_precision);
2067                 }
2068             }
2069             else if ( m_precision == -1 )
2070             {
2071                 // default precision
2072                 m_format.Printf(_T("%%%d.f"), m_width);
2073             }
2074             else
2075             {
2076                 m_format.Printf(_T("%%%d.%df"), m_width, m_precision);
2077             }
2078         }
2079
2080         text.Printf(m_format, val);
2081
2082     }
2083     //else: text already contains the string
2084
2085     return text;
2086 }
2087
2088 void wxGridCellFloatRenderer::Draw(wxGrid& grid,
2089                                    wxGridCellAttr& attr,
2090                                    wxDC& dc,
2091                                    const wxRect& rectCell,
2092                                    int row, int col,
2093                                    bool isSelected)
2094 {
2095     wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
2096
2097     SetTextColoursAndFont(grid, attr, dc, isSelected);
2098
2099     // draw the text right aligned by default
2100     int hAlign, vAlign;
2101     attr.GetAlignment(&hAlign, &vAlign);
2102     hAlign = wxALIGN_RIGHT;
2103
2104     wxRect rect = rectCell;
2105     rect.Inflate(-1);
2106
2107     grid.DrawTextRectangle(dc, GetString(grid, row, col), rect, hAlign, vAlign);
2108 }
2109
2110 wxSize wxGridCellFloatRenderer::GetBestSize(wxGrid& grid,
2111                                             wxGridCellAttr& attr,
2112                                             wxDC& dc,
2113                                             int row, int col)
2114 {
2115     return DoGetBestSize(attr, dc, GetString(grid, row, col));
2116 }
2117
2118 void wxGridCellFloatRenderer::SetParameters(const wxString& params)
2119 {
2120     if ( !params )
2121     {
2122         // reset to defaults
2123         SetWidth(-1);
2124         SetPrecision(-1);
2125     }
2126     else
2127     {
2128         wxString tmp = params.BeforeFirst(_T(','));
2129         if ( !tmp.empty() )
2130         {
2131             long width;
2132             if ( tmp.ToLong(&width) )
2133             {
2134                 SetWidth((int)width);
2135             }
2136             else
2137             {
2138                 wxLogDebug(_T("Invalid wxGridCellFloatRenderer width parameter string '%s ignored"), params.c_str());
2139             }
2140         }
2141
2142         tmp = params.AfterFirst(_T(','));
2143         if ( !tmp.empty() )
2144         {
2145             long precision;
2146             if ( tmp.ToLong(&precision) )
2147             {
2148                 SetPrecision((int)precision);
2149             }
2150             else
2151             {
2152                 wxLogDebug(_T("Invalid wxGridCellFloatRenderer precision parameter string '%s ignored"), params.c_str());
2153             }
2154         }
2155     }
2156 }
2157
2158 // ----------------------------------------------------------------------------
2159 // wxGridCellBoolRenderer
2160 // ----------------------------------------------------------------------------
2161
2162 wxSize wxGridCellBoolRenderer::ms_sizeCheckMark;
2163
2164 // FIXME these checkbox size calculations are really ugly...
2165
2166 // between checkmark and box
2167 static const wxCoord wxGRID_CHECKMARK_MARGIN = 2;
2168
2169 wxSize wxGridCellBoolRenderer::GetBestSize(wxGrid& grid,
2170                                            wxGridCellAttr& WXUNUSED(attr),
2171                                            wxDC& WXUNUSED(dc),
2172                                            int WXUNUSED(row),
2173                                            int WXUNUSED(col))
2174 {
2175     // compute it only once (no locks for MT safeness in GUI thread...)
2176     if ( !ms_sizeCheckMark.x )
2177     {
2178         // get checkbox size
2179         wxCheckBox *checkbox = new wxCheckBox(&grid, wxID_ANY, wxEmptyString);
2180         wxSize size = checkbox->GetBestSize();
2181         wxCoord checkSize = size.y + 2 * wxGRID_CHECKMARK_MARGIN;
2182
2183         // FIXME wxGTK::wxCheckBox::GetBestSize() gives "wrong" result
2184 #if defined(__WXGTK__) || defined(__WXMOTIF__)
2185         checkSize -= size.y / 2;
2186 #endif
2187
2188         delete checkbox;
2189
2190         ms_sizeCheckMark.x = ms_sizeCheckMark.y = checkSize;
2191     }
2192
2193     return ms_sizeCheckMark;
2194 }
2195
2196 void wxGridCellBoolRenderer::Draw(wxGrid& grid,
2197                                   wxGridCellAttr& attr,
2198                                   wxDC& dc,
2199                                   const wxRect& rect,
2200                                   int row, int col,
2201                                   bool isSelected)
2202 {
2203     wxGridCellRenderer::Draw(grid, attr, dc, rect, row, col, isSelected);
2204
2205     // draw a check mark in the centre (ignoring alignment - TODO)
2206     wxSize size = GetBestSize(grid, attr, dc, row, col);
2207
2208     // don't draw outside the cell
2209     wxCoord minSize = wxMin(rect.width, rect.height);
2210     if ( size.x >= minSize || size.y >= minSize )
2211     {
2212         // and even leave (at least) 1 pixel margin
2213         size.x = size.y = minSize - 2;
2214     }
2215
2216     // draw a border around checkmark
2217     int vAlign, hAlign;
2218     attr.GetAlignment(&hAlign, &vAlign);
2219
2220     wxRect rectBorder;
2221     if (hAlign == wxALIGN_CENTRE)
2222     {
2223         rectBorder.x = rect.x + rect.width / 2 - size.x / 2;
2224         rectBorder.y = rect.y + rect.height / 2 - size.y / 2;
2225         rectBorder.width = size.x;
2226         rectBorder.height = size.y;
2227     }
2228     else if (hAlign == wxALIGN_LEFT)
2229     {
2230         rectBorder.x = rect.x + 2;
2231         rectBorder.y = rect.y + rect.height / 2 - size.y / 2;
2232         rectBorder.width = size.x;
2233         rectBorder.height = size.y;
2234     }
2235     else if (hAlign == wxALIGN_RIGHT)
2236     {
2237         rectBorder.x = rect.x + rect.width - size.x - 2;
2238         rectBorder.y = rect.y + rect.height / 2 - size.y / 2;
2239         rectBorder.width = size.x;
2240         rectBorder.height = size.y;
2241     }
2242
2243     bool value;
2244     if ( grid.GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL) )
2245     {
2246         value = grid.GetTable()->GetValueAsBool(row, col);
2247     }
2248     else
2249     {
2250         wxString cellval( grid.GetTable()->GetValue(row, col) );
2251         value = wxGridCellBoolEditor::IsTrueValue(cellval);
2252     }
2253
2254     if ( value )
2255     {
2256         wxRect rectMark = rectBorder;
2257
2258 #ifdef __WXMSW__
2259         // MSW DrawCheckMark() is weird (and should probably be changed...)
2260         rectMark.Inflate(-wxGRID_CHECKMARK_MARGIN / 2);
2261         rectMark.x++;
2262         rectMark.y++;
2263 #else
2264         rectMark.Inflate(-wxGRID_CHECKMARK_MARGIN);
2265 #endif
2266
2267         dc.SetTextForeground(attr.GetTextColour());
2268         dc.DrawCheckMark(rectMark);
2269     }
2270
2271     dc.SetBrush(*wxTRANSPARENT_BRUSH);
2272     dc.SetPen(wxPen(attr.GetTextColour(), 1, wxSOLID));
2273     dc.DrawRectangle(rectBorder);
2274 }
2275
2276 // ----------------------------------------------------------------------------
2277 // wxGridCellAttr
2278 // ----------------------------------------------------------------------------
2279
2280 void wxGridCellAttr::Init(wxGridCellAttr *attrDefault)
2281 {
2282     m_nRef = 1;
2283
2284     m_isReadOnly = Unset;
2285
2286     m_renderer = NULL;
2287     m_editor = NULL;
2288
2289     m_attrkind = wxGridCellAttr::Cell;
2290
2291     m_sizeRows = m_sizeCols = 1;
2292     m_overflow = UnsetOverflow;
2293
2294     SetDefAttr(attrDefault);
2295 }
2296
2297 wxGridCellAttr *wxGridCellAttr::Clone() const
2298 {
2299     wxGridCellAttr *attr = new wxGridCellAttr(m_defGridAttr);
2300
2301     if ( HasTextColour() )
2302         attr->SetTextColour(GetTextColour());
2303     if ( HasBackgroundColour() )
2304         attr->SetBackgroundColour(GetBackgroundColour());
2305     if ( HasFont() )
2306         attr->SetFont(GetFont());
2307     if ( HasAlignment() )
2308         attr->SetAlignment(m_hAlign, m_vAlign);
2309
2310     attr->SetSize( m_sizeRows, m_sizeCols );
2311
2312     if ( m_renderer )
2313     {
2314         attr->SetRenderer(m_renderer);
2315         m_renderer->IncRef();
2316     }
2317     if ( m_editor )
2318     {
2319         attr->SetEditor(m_editor);
2320         m_editor->IncRef();
2321     }
2322
2323     if ( IsReadOnly() )
2324         attr->SetReadOnly();
2325
2326     attr->SetOverflow( m_overflow == Overflow );
2327     attr->SetKind( m_attrkind );
2328
2329     return attr;
2330 }
2331
2332 void wxGridCellAttr::MergeWith(wxGridCellAttr *mergefrom)
2333 {
2334     if ( !HasTextColour() && mergefrom->HasTextColour() )
2335         SetTextColour(mergefrom->GetTextColour());
2336     if ( !HasBackgroundColour() && mergefrom->HasBackgroundColour() )
2337         SetBackgroundColour(mergefrom->GetBackgroundColour());
2338     if ( !HasFont() && mergefrom->HasFont() )
2339         SetFont(mergefrom->GetFont());
2340     if ( !HasAlignment() && mergefrom->HasAlignment() )
2341     {
2342         int hAlign, vAlign;
2343         mergefrom->GetAlignment( &hAlign, &vAlign);
2344         SetAlignment(hAlign, vAlign);
2345     }
2346     if ( !HasSize() && mergefrom->HasSize() )
2347         mergefrom->GetSize( &m_sizeRows, &m_sizeCols );
2348
2349     // Directly access member functions as GetRender/Editor don't just return
2350     // m_renderer/m_editor
2351     //
2352     // Maybe add support for merge of Render and Editor?
2353     if (!HasRenderer() && mergefrom->HasRenderer() )
2354     {
2355         m_renderer = mergefrom->m_renderer;
2356         m_renderer->IncRef();
2357     }
2358     if ( !HasEditor() && mergefrom->HasEditor() )
2359     {
2360         m_editor =  mergefrom->m_editor;
2361         m_editor->IncRef();
2362     }
2363     if ( !HasReadWriteMode() && mergefrom->HasReadWriteMode() )
2364         SetReadOnly(mergefrom->IsReadOnly());
2365
2366     if (!HasOverflowMode() && mergefrom->HasOverflowMode() )
2367         SetOverflow(mergefrom->GetOverflow());
2368
2369     SetDefAttr(mergefrom->m_defGridAttr);
2370 }
2371
2372 void wxGridCellAttr::SetSize(int num_rows, int num_cols)
2373 {
2374     // The size of a cell is normally 1,1
2375
2376     // If this cell is larger (2,2) then this is the top left cell
2377     // the other cells that will be covered (lower right cells) must be
2378     // set to negative or zero values such that
2379     // row + num_rows of the covered cell points to the larger cell (this cell)
2380     // same goes for the col + num_cols.
2381
2382     // Size of 0,0 is NOT valid, neither is <=0 and any positive value
2383
2384     wxASSERT_MSG( (!((num_rows > 0) && (num_cols <= 0)) ||
2385                   !((num_rows <= 0) && (num_cols > 0)) ||
2386                   !((num_rows == 0) && (num_cols == 0))),
2387                   wxT("wxGridCellAttr::SetSize only takes two postive values or negative/zero values"));
2388
2389     m_sizeRows = num_rows;
2390     m_sizeCols = num_cols;
2391 }
2392
2393 const wxColour& wxGridCellAttr::GetTextColour() const
2394 {
2395     if (HasTextColour())
2396     {
2397         return m_colText;
2398     }
2399     else if (m_defGridAttr && m_defGridAttr != this)
2400     {
2401         return m_defGridAttr->GetTextColour();
2402     }
2403     else
2404     {
2405         wxFAIL_MSG(wxT("Missing default cell attribute"));
2406         return wxNullColour;
2407     }
2408 }
2409
2410 const wxColour& wxGridCellAttr::GetBackgroundColour() const
2411 {
2412     if (HasBackgroundColour())
2413     {
2414         return m_colBack;
2415     }
2416     else if (m_defGridAttr && m_defGridAttr != this)
2417     {
2418         return m_defGridAttr->GetBackgroundColour();
2419     }
2420     else
2421     {
2422         wxFAIL_MSG(wxT("Missing default cell attribute"));
2423         return wxNullColour;
2424     }
2425 }
2426
2427 const wxFont& wxGridCellAttr::GetFont() const
2428 {
2429     if (HasFont())
2430     {
2431         return m_font;
2432     }
2433     else if (m_defGridAttr && m_defGridAttr != this)
2434     {
2435         return m_defGridAttr->GetFont();
2436     }
2437     else
2438     {
2439         wxFAIL_MSG(wxT("Missing default cell attribute"));
2440         return wxNullFont;
2441     }
2442 }
2443
2444 void wxGridCellAttr::GetAlignment(int *hAlign, int *vAlign) const
2445 {
2446     if (HasAlignment())
2447     {
2448         if ( hAlign )
2449             *hAlign = m_hAlign;
2450         if ( vAlign )
2451             *vAlign = m_vAlign;
2452     }
2453     else if (m_defGridAttr && m_defGridAttr != this)
2454     {
2455         m_defGridAttr->GetAlignment(hAlign, vAlign);
2456     }
2457     else
2458     {
2459         wxFAIL_MSG(wxT("Missing default cell attribute"));
2460     }
2461 }
2462
2463 void wxGridCellAttr::GetSize( int *num_rows, int *num_cols ) const
2464 {
2465     if ( num_rows )
2466         *num_rows = m_sizeRows;
2467     if ( num_cols )
2468         *num_cols = m_sizeCols;
2469 }
2470
2471 // GetRenderer and GetEditor use a slightly different decision path about
2472 // which attribute to use.  If a non-default attr object has one then it is
2473 // used, otherwise the default editor or renderer is fetched from the grid and
2474 // used.  It should be the default for the data type of the cell.  If it is
2475 // NULL (because the table has a type that the grid does not have in its
2476 // registry), then the grid's default editor or renderer is used.
2477
2478 wxGridCellRenderer* wxGridCellAttr::GetRenderer(wxGrid* grid, int row, int col) const
2479 {
2480     wxGridCellRenderer *renderer = NULL;
2481
2482     if ( m_renderer && this != m_defGridAttr )
2483     {
2484         // use the cells renderer if it has one
2485         renderer = m_renderer;
2486         renderer->IncRef();
2487     }
2488     else // no non-default cell renderer
2489     {
2490         // get default renderer for the data type
2491         if ( grid )
2492         {
2493             // GetDefaultRendererForCell() will do IncRef() for us
2494             renderer = grid->GetDefaultRendererForCell(row, col);
2495         }
2496
2497         if ( renderer == NULL )
2498         {
2499             if ( (m_defGridAttr != NULL) && (m_defGridAttr != this) )
2500             {
2501                 // if we still don't have one then use the grid default
2502                 // (no need for IncRef() here neither)
2503                 renderer = m_defGridAttr->GetRenderer(NULL, 0, 0);
2504             }
2505             else // default grid attr
2506             {
2507                 // use m_renderer which we had decided not to use initially
2508                 renderer = m_renderer;
2509                 if ( renderer )
2510                     renderer->IncRef();
2511             }
2512         }
2513     }
2514
2515     // we're supposed to always find something
2516     wxASSERT_MSG(renderer, wxT("Missing default cell renderer"));
2517
2518     return renderer;
2519 }
2520
2521 // same as above, except for s/renderer/editor/g
2522 wxGridCellEditor* wxGridCellAttr::GetEditor(wxGrid* grid, int row, int col) const
2523 {
2524     wxGridCellEditor *editor = NULL;
2525
2526     if ( m_editor && this != m_defGridAttr )
2527     {
2528         // use the cells editor if it has one
2529         editor = m_editor;
2530         editor->IncRef();
2531     }
2532     else // no non default cell editor
2533     {
2534         // get default editor for the data type
2535         if ( grid )
2536         {
2537             // GetDefaultEditorForCell() will do IncRef() for us
2538             editor = grid->GetDefaultEditorForCell(row, col);
2539         }
2540
2541         if ( editor == NULL )
2542         {
2543             if ( (m_defGridAttr != NULL) && (m_defGridAttr != this) )
2544             {
2545                 // if we still don't have one then use the grid default
2546                 // (no need for IncRef() here neither)
2547                 editor = m_defGridAttr->GetEditor(NULL, 0, 0);
2548             }
2549             else // default grid attr
2550             {
2551                 // use m_editor which we had decided not to use initially
2552                 editor = m_editor;
2553                 if ( editor )
2554                     editor->IncRef();
2555             }
2556         }
2557     }
2558
2559     // we're supposed to always find something
2560     wxASSERT_MSG(editor, wxT("Missing default cell editor"));
2561
2562     return editor;
2563 }
2564
2565 // ----------------------------------------------------------------------------
2566 // wxGridCellAttrData
2567 // ----------------------------------------------------------------------------
2568
2569 void wxGridCellAttrData::SetAttr(wxGridCellAttr *attr, int row, int col)
2570 {
2571     int n = FindIndex(row, col);
2572     if ( n == wxNOT_FOUND )
2573     {
2574         // add the attribute
2575         m_attrs.Add(new wxGridCellWithAttr(row, col, attr));
2576     }
2577     else
2578     {
2579         // free the old attribute
2580         m_attrs[(size_t)n].attr->DecRef();
2581
2582         if ( attr )
2583         {
2584             // change the attribute
2585             m_attrs[(size_t)n].attr = attr;
2586         }
2587         else
2588         {
2589             // remove this attribute
2590             m_attrs.RemoveAt((size_t)n);
2591         }
2592     }
2593 }
2594
2595 wxGridCellAttr *wxGridCellAttrData::GetAttr(int row, int col) const
2596 {
2597     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
2598
2599     int n = FindIndex(row, col);
2600     if ( n != wxNOT_FOUND )
2601     {
2602         attr = m_attrs[(size_t)n].attr;
2603         attr->IncRef();
2604     }
2605
2606     return attr;
2607 }
2608
2609 void wxGridCellAttrData::UpdateAttrRows( size_t pos, int numRows )
2610 {
2611     size_t count = m_attrs.GetCount();
2612     for ( size_t n = 0; n < count; n++ )
2613     {
2614         wxGridCellCoords& coords = m_attrs[n].coords;
2615         wxCoord row = coords.GetRow();
2616         if ((size_t)row >= pos)
2617         {
2618             if (numRows > 0)
2619             {
2620                 // If rows inserted, include row counter where necessary
2621                 coords.SetRow(row + numRows);
2622             }
2623             else if (numRows < 0)
2624             {
2625                 // If rows deleted ...
2626                 if ((size_t)row >= pos - numRows)
2627                 {
2628                     // ...either decrement row counter (if row still exists)...
2629                     coords.SetRow(row + numRows);
2630                 }
2631                 else
2632                 {
2633                     // ...or remove the attribute
2634                     // No need to DecRef the attribute itself since this is
2635                     // done be wxGridCellWithAttr's destructor!
2636                     m_attrs.RemoveAt(n);
2637                     n--;
2638                     count--;
2639                 }
2640             }
2641         }
2642     }
2643 }
2644
2645 void wxGridCellAttrData::UpdateAttrCols( size_t pos, int numCols )
2646 {
2647     size_t count = m_attrs.GetCount();
2648     for ( size_t n = 0; n < count; n++ )
2649     {
2650         wxGridCellCoords& coords = m_attrs[n].coords;
2651         wxCoord col = coords.GetCol();
2652         if ( (size_t)col >= pos )
2653         {
2654             if ( numCols > 0 )
2655             {
2656                 // If rows inserted, include row counter where necessary
2657                 coords.SetCol(col + numCols);
2658             }
2659             else if (numCols < 0)
2660             {
2661                 // If rows deleted ...
2662                 if ((size_t)col >= pos - numCols)
2663                 {
2664                     // ...either decrement row counter (if row still exists)...
2665                     coords.SetCol(col + numCols);
2666                 }
2667                 else
2668                 {
2669                     // ...or remove the attribute
2670                     // No need to DecRef the attribute itself since this is
2671                     // done be wxGridCellWithAttr's destructor!
2672                     m_attrs.RemoveAt(n);
2673                     n--;
2674                     count--;
2675                 }
2676             }
2677         }
2678     }
2679 }
2680
2681 int wxGridCellAttrData::FindIndex(int row, int col) const
2682 {
2683     size_t count = m_attrs.GetCount();
2684     for ( size_t n = 0; n < count; n++ )
2685     {
2686         const wxGridCellCoords& coords = m_attrs[n].coords;
2687         if ( (coords.GetRow() == row) && (coords.GetCol() == col) )
2688         {
2689             return n;
2690         }
2691     }
2692
2693     return wxNOT_FOUND;
2694 }
2695
2696 // ----------------------------------------------------------------------------
2697 // wxGridRowOrColAttrData
2698 // ----------------------------------------------------------------------------
2699
2700 wxGridRowOrColAttrData::~wxGridRowOrColAttrData()
2701 {
2702     size_t count = m_attrs.Count();
2703     for ( size_t n = 0; n < count; n++ )
2704     {
2705         m_attrs[n]->DecRef();
2706     }
2707 }
2708
2709 wxGridCellAttr *wxGridRowOrColAttrData::GetAttr(int rowOrCol) const
2710 {
2711     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
2712
2713     int n = m_rowsOrCols.Index(rowOrCol);
2714     if ( n != wxNOT_FOUND )
2715     {
2716         attr = m_attrs[(size_t)n];
2717         attr->IncRef();
2718     }
2719
2720     return attr;
2721 }
2722
2723 void wxGridRowOrColAttrData::SetAttr(wxGridCellAttr *attr, int rowOrCol)
2724 {
2725     int i = m_rowsOrCols.Index(rowOrCol);
2726     if ( i == wxNOT_FOUND )
2727     {
2728         // add the attribute
2729         m_rowsOrCols.Add(rowOrCol);
2730         m_attrs.Add(attr);
2731     }
2732     else
2733     {
2734         size_t n = (size_t)i;
2735         if ( attr )
2736         {
2737             // change the attribute
2738             m_attrs[n]->DecRef();
2739             m_attrs[n] = attr;
2740         }
2741         else
2742         {
2743             // remove this attribute
2744             m_attrs[n]->DecRef();
2745             m_rowsOrCols.RemoveAt(n);
2746             m_attrs.RemoveAt(n);
2747         }
2748     }
2749 }
2750
2751 void wxGridRowOrColAttrData::UpdateAttrRowsOrCols( size_t pos, int numRowsOrCols )
2752 {
2753     size_t count = m_attrs.GetCount();
2754     for ( size_t n = 0; n < count; n++ )
2755     {
2756         int & rowOrCol = m_rowsOrCols[n];
2757         if ( (size_t)rowOrCol >= pos )
2758         {
2759             if ( numRowsOrCols > 0 )
2760             {
2761                 // If rows inserted, include row counter where necessary
2762                 rowOrCol += numRowsOrCols;
2763             }
2764             else if ( numRowsOrCols < 0)
2765             {
2766                 // If rows deleted, either decrement row counter (if row still exists)
2767                 if ((size_t)rowOrCol >= pos - numRowsOrCols)
2768                     rowOrCol += numRowsOrCols;
2769                 else
2770                 {
2771                     m_rowsOrCols.RemoveAt(n);
2772                     m_attrs[n]->DecRef();
2773                     m_attrs.RemoveAt(n);
2774                     n--;
2775                     count--;
2776                 }
2777             }
2778         }
2779     }
2780 }
2781
2782 // ----------------------------------------------------------------------------
2783 // wxGridCellAttrProvider
2784 // ----------------------------------------------------------------------------
2785
2786 wxGridCellAttrProvider::wxGridCellAttrProvider()
2787 {
2788     m_data = (wxGridCellAttrProviderData *)NULL;
2789 }
2790
2791 wxGridCellAttrProvider::~wxGridCellAttrProvider()
2792 {
2793     delete m_data;
2794 }
2795
2796 void wxGridCellAttrProvider::InitData()
2797 {
2798     m_data = new wxGridCellAttrProviderData;
2799 }
2800
2801 wxGridCellAttr *wxGridCellAttrProvider::GetAttr(int row, int col,
2802                                                 wxGridCellAttr::wxAttrKind  kind ) const
2803 {
2804     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
2805     if ( m_data )
2806     {
2807         switch (kind)
2808         {
2809             case (wxGridCellAttr::Any):
2810                 // Get cached merge attributes.
2811                 // Currently not used as no cache implemented as not mutable
2812                 // attr = m_data->m_mergeAttr.GetAttr(row, col);
2813                 if (!attr)
2814                 {
2815                     // Basically implement old version.
2816                     // Also check merge cache, so we don't have to re-merge every time..
2817                     wxGridCellAttr *attrcell = m_data->m_cellAttrs.GetAttr(row, col);
2818                     wxGridCellAttr *attrrow = m_data->m_rowAttrs.GetAttr(row);
2819                     wxGridCellAttr *attrcol = m_data->m_colAttrs.GetAttr(col);
2820
2821                     if ((attrcell != attrrow) && (attrrow != attrcol) && (attrcell != attrcol))
2822                     {
2823                         // Two or more are non NULL
2824                         attr = new wxGridCellAttr;
2825                         attr->SetKind(wxGridCellAttr::Merged);
2826
2827                         // Order is important..
2828                         if (attrcell)
2829                         {
2830                             attr->MergeWith(attrcell);
2831                             attrcell->DecRef();
2832                         }
2833                         if (attrcol)
2834                         {
2835                             attr->MergeWith(attrcol);
2836                             attrcol->DecRef();
2837                         }
2838                         if (attrrow)
2839                         {
2840                             attr->MergeWith(attrrow);
2841                             attrrow->DecRef();
2842                         }
2843
2844                         // store merge attr if cache implemented
2845                         //attr->IncRef();
2846                         //m_data->m_mergeAttr.SetAttr(attr, row, col);
2847                     }
2848                     else
2849                     {
2850                         // one or none is non null return it or null.
2851                         if (attrrow)
2852                             attr = attrrow;
2853                         if (attrcol)
2854                         {
2855                             if (attr)
2856                                 attr->DecRef();
2857                             attr = attrcol;
2858                         }
2859                         if (attrcell)
2860                         {
2861                             if (attr)
2862                                 attr->DecRef();
2863                             attr = attrcell;
2864                         }
2865                     }
2866                 }
2867                 break;
2868
2869             case (wxGridCellAttr::Cell):
2870                 attr = m_data->m_cellAttrs.GetAttr(row, col);
2871                 break;
2872
2873             case (wxGridCellAttr::Col):
2874                 attr = m_data->m_colAttrs.GetAttr(col);
2875                 break;
2876
2877             case (wxGridCellAttr::Row):
2878                 attr = m_data->m_rowAttrs.GetAttr(row);
2879                 break;
2880
2881             default:
2882                 // unused as yet...
2883                 // (wxGridCellAttr::Default):
2884                 // (wxGridCellAttr::Merged):
2885                 break;
2886         }
2887     }
2888
2889     return attr;
2890 }
2891
2892 void wxGridCellAttrProvider::SetAttr(wxGridCellAttr *attr,
2893                                      int row, int col)
2894 {
2895     if ( !m_data )
2896         InitData();
2897
2898     m_data->m_cellAttrs.SetAttr(attr, row, col);
2899 }
2900
2901 void wxGridCellAttrProvider::SetRowAttr(wxGridCellAttr *attr, int row)
2902 {
2903     if ( !m_data )
2904         InitData();
2905
2906     m_data->m_rowAttrs.SetAttr(attr, row);
2907 }
2908
2909 void wxGridCellAttrProvider::SetColAttr(wxGridCellAttr *attr, int col)
2910 {
2911     if ( !m_data )
2912         InitData();
2913
2914     m_data->m_colAttrs.SetAttr(attr, col);
2915 }
2916
2917 void wxGridCellAttrProvider::UpdateAttrRows( size_t pos, int numRows )
2918 {
2919     if ( m_data )
2920     {
2921         m_data->m_cellAttrs.UpdateAttrRows( pos, numRows );
2922
2923         m_data->m_rowAttrs.UpdateAttrRowsOrCols( pos, numRows );
2924     }
2925 }
2926
2927 void wxGridCellAttrProvider::UpdateAttrCols( size_t pos, int numCols )
2928 {
2929     if ( m_data )
2930     {
2931         m_data->m_cellAttrs.UpdateAttrCols( pos, numCols );
2932
2933         m_data->m_colAttrs.UpdateAttrRowsOrCols( pos, numCols );
2934     }
2935 }
2936
2937 // ----------------------------------------------------------------------------
2938 // wxGridTypeRegistry
2939 // ----------------------------------------------------------------------------
2940
2941 wxGridTypeRegistry::~wxGridTypeRegistry()
2942 {
2943     size_t count = m_typeinfo.Count();
2944     for ( size_t i = 0; i < count; i++ )
2945         delete m_typeinfo[i];
2946 }
2947
2948 void wxGridTypeRegistry::RegisterDataType(const wxString& typeName,
2949                                           wxGridCellRenderer* renderer,
2950                                           wxGridCellEditor* editor)
2951 {
2952     wxGridDataTypeInfo* info = new wxGridDataTypeInfo(typeName, renderer, editor);
2953
2954     // is it already registered?
2955     int loc = FindRegisteredDataType(typeName);
2956     if ( loc != wxNOT_FOUND )
2957     {
2958         delete m_typeinfo[loc];
2959         m_typeinfo[loc] = info;
2960     }
2961     else
2962     {
2963         m_typeinfo.Add(info);
2964     }
2965 }
2966
2967 int wxGridTypeRegistry::FindRegisteredDataType(const wxString& typeName)
2968 {
2969     size_t count = m_typeinfo.GetCount();
2970     for ( size_t i = 0; i < count; i++ )
2971     {
2972         if ( typeName == m_typeinfo[i]->m_typeName )
2973         {
2974             return i;
2975         }
2976     }
2977
2978     return wxNOT_FOUND;
2979 }
2980
2981 int wxGridTypeRegistry::FindDataType(const wxString& typeName)
2982 {
2983     int index = FindRegisteredDataType(typeName);
2984     if ( index == wxNOT_FOUND )
2985     {
2986         // check whether this is one of the standard ones, in which case
2987         // register it "on the fly"
2988 #if wxUSE_TEXTCTRL
2989         if ( typeName == wxGRID_VALUE_STRING )
2990         {
2991             RegisterDataType(wxGRID_VALUE_STRING,
2992                              new wxGridCellStringRenderer,
2993                              new wxGridCellTextEditor);
2994         }
2995         else
2996 #endif // wxUSE_TEXTCTRL
2997 #if wxUSE_CHECKBOX
2998         if ( typeName == wxGRID_VALUE_BOOL )
2999         {
3000             RegisterDataType(wxGRID_VALUE_BOOL,
3001                              new wxGridCellBoolRenderer,
3002                              new wxGridCellBoolEditor);
3003         }
3004         else
3005 #endif // wxUSE_CHECKBOX
3006 #if wxUSE_TEXTCTRL
3007         if ( typeName == wxGRID_VALUE_NUMBER )
3008         {
3009             RegisterDataType(wxGRID_VALUE_NUMBER,
3010                              new wxGridCellNumberRenderer,
3011                              new wxGridCellNumberEditor);
3012         }
3013         else if ( typeName == wxGRID_VALUE_FLOAT )
3014         {
3015             RegisterDataType(wxGRID_VALUE_FLOAT,
3016                              new wxGridCellFloatRenderer,
3017                              new wxGridCellFloatEditor);
3018         }
3019         else
3020 #endif // wxUSE_TEXTCTRL
3021 #if wxUSE_COMBOBOX
3022         if ( typeName == wxGRID_VALUE_CHOICE )
3023         {
3024             RegisterDataType(wxGRID_VALUE_CHOICE,
3025                              new wxGridCellStringRenderer,
3026                              new wxGridCellChoiceEditor);
3027         }
3028         else
3029 #endif // wxUSE_COMBOBOX
3030         {
3031             return wxNOT_FOUND;
3032         }
3033
3034         // we get here only if just added the entry for this type, so return
3035         // the last index
3036         index = m_typeinfo.GetCount() - 1;
3037     }
3038
3039     return index;
3040 }
3041
3042 int wxGridTypeRegistry::FindOrCloneDataType(const wxString& typeName)
3043 {
3044     int index = FindDataType(typeName);
3045     if ( index == wxNOT_FOUND )
3046     {
3047         // the first part of the typename is the "real" type, anything after ':'
3048         // are the parameters for the renderer
3049         index = FindDataType(typeName.BeforeFirst(_T(':')));
3050         if ( index == wxNOT_FOUND )
3051         {
3052             return wxNOT_FOUND;
3053         }
3054
3055         wxGridCellRenderer *renderer = GetRenderer(index);
3056         wxGridCellRenderer *rendererOld = renderer;
3057         renderer = renderer->Clone();
3058         rendererOld->DecRef();
3059
3060         wxGridCellEditor *editor = GetEditor(index);
3061         wxGridCellEditor *editorOld = editor;
3062         editor = editor->Clone();
3063         editorOld->DecRef();
3064
3065         // do it even if there are no parameters to reset them to defaults
3066         wxString params = typeName.AfterFirst(_T(':'));
3067         renderer->SetParameters(params);
3068         editor->SetParameters(params);
3069
3070         // register the new typename
3071         RegisterDataType(typeName, renderer, editor);
3072
3073         // we just registered it, it's the last one
3074         index = m_typeinfo.GetCount() - 1;
3075     }
3076
3077     return index;
3078 }
3079
3080 wxGridCellRenderer* wxGridTypeRegistry::GetRenderer(int index)
3081 {
3082     wxGridCellRenderer* renderer = m_typeinfo[index]->m_renderer;
3083     if (renderer)
3084         renderer->IncRef();
3085
3086     return renderer;
3087 }
3088
3089 wxGridCellEditor* wxGridTypeRegistry::GetEditor(int index)
3090 {
3091     wxGridCellEditor* editor = m_typeinfo[index]->m_editor;
3092     if (editor)
3093         editor->IncRef();
3094
3095     return editor;
3096 }
3097
3098 // ----------------------------------------------------------------------------
3099 // wxGridTableBase
3100 // ----------------------------------------------------------------------------
3101
3102 IMPLEMENT_ABSTRACT_CLASS( wxGridTableBase, wxObject )
3103
3104 wxGridTableBase::wxGridTableBase()
3105 {
3106     m_view = (wxGrid *) NULL;
3107     m_attrProvider = (wxGridCellAttrProvider *) NULL;
3108 }
3109
3110 wxGridTableBase::~wxGridTableBase()
3111 {
3112     delete m_attrProvider;
3113 }
3114
3115 void wxGridTableBase::SetAttrProvider(wxGridCellAttrProvider *attrProvider)
3116 {
3117     delete m_attrProvider;
3118     m_attrProvider = attrProvider;
3119 }
3120
3121 bool wxGridTableBase::CanHaveAttributes()
3122 {
3123     if ( ! GetAttrProvider() )
3124     {
3125         // use the default attr provider by default
3126         SetAttrProvider(new wxGridCellAttrProvider);
3127     }
3128
3129     return true;
3130 }
3131
3132 wxGridCellAttr *wxGridTableBase::GetAttr(int row, int col, wxGridCellAttr::wxAttrKind  kind)
3133 {
3134     if ( m_attrProvider )
3135         return m_attrProvider->GetAttr(row, col, kind);
3136     else
3137         return (wxGridCellAttr *)NULL;
3138 }
3139
3140 void wxGridTableBase::SetAttr(wxGridCellAttr* attr, int row, int col)
3141 {
3142     if ( m_attrProvider )
3143     {
3144         attr->SetKind(wxGridCellAttr::Cell);
3145         m_attrProvider->SetAttr(attr, row, col);
3146     }
3147     else
3148     {
3149         // as we take ownership of the pointer and don't store it, we must
3150         // free it now
3151         wxSafeDecRef(attr);
3152     }
3153 }
3154
3155 void wxGridTableBase::SetRowAttr(wxGridCellAttr *attr, int row)
3156 {
3157     if ( m_attrProvider )
3158     {
3159         attr->SetKind(wxGridCellAttr::Row);
3160         m_attrProvider->SetRowAttr(attr, row);
3161     }
3162     else
3163     {
3164         // as we take ownership of the pointer and don't store it, we must
3165         // free it now
3166         wxSafeDecRef(attr);
3167     }
3168 }
3169
3170 void wxGridTableBase::SetColAttr(wxGridCellAttr *attr, int col)
3171 {
3172     if ( m_attrProvider )
3173     {
3174         attr->SetKind(wxGridCellAttr::Col);
3175         m_attrProvider->SetColAttr(attr, col);
3176     }
3177     else
3178     {
3179         // as we take ownership of the pointer and don't store it, we must
3180         // free it now
3181         wxSafeDecRef(attr);
3182     }
3183 }
3184
3185 bool wxGridTableBase::InsertRows( size_t WXUNUSED(pos),
3186                                   size_t WXUNUSED(numRows) )
3187 {
3188     wxFAIL_MSG( wxT("Called grid table class function InsertRows\nbut your derived table class does not override this function") );
3189
3190     return false;
3191 }
3192
3193 bool wxGridTableBase::AppendRows( size_t WXUNUSED(numRows) )
3194 {
3195     wxFAIL_MSG( wxT("Called grid table class function AppendRows\nbut your derived table class does not override this function"));
3196
3197     return false;
3198 }
3199
3200 bool wxGridTableBase::DeleteRows( size_t WXUNUSED(pos),
3201                                   size_t WXUNUSED(numRows) )
3202 {
3203     wxFAIL_MSG( wxT("Called grid table class function DeleteRows\nbut your derived table class does not override this function"));
3204
3205     return false;
3206 }
3207
3208 bool wxGridTableBase::InsertCols( size_t WXUNUSED(pos),
3209                                   size_t WXUNUSED(numCols) )
3210 {
3211     wxFAIL_MSG( wxT("Called grid table class function InsertCols\nbut your derived table class does not override this function"));
3212
3213     return false;
3214 }
3215
3216 bool wxGridTableBase::AppendCols( size_t WXUNUSED(numCols) )
3217 {
3218     wxFAIL_MSG(wxT("Called grid table class function AppendCols\nbut your derived table class does not override this function"));
3219
3220     return false;
3221 }
3222
3223 bool wxGridTableBase::DeleteCols( size_t WXUNUSED(pos),
3224                                   size_t WXUNUSED(numCols) )
3225 {
3226     wxFAIL_MSG( wxT("Called grid table class function DeleteCols\nbut your derived table class does not override this function"));
3227
3228     return false;
3229 }
3230
3231 wxString wxGridTableBase::GetRowLabelValue( int row )
3232 {
3233     wxString s;
3234
3235     // RD: Starting the rows at zero confuses users,
3236     // no matter how much it makes sense to us geeks.
3237     s << row + 1;
3238
3239     return s;
3240 }
3241
3242 wxString wxGridTableBase::GetColLabelValue( int col )
3243 {
3244     // default col labels are:
3245     //   cols 0 to 25   : A-Z
3246     //   cols 26 to 675 : AA-ZZ
3247     //   etc.
3248
3249     wxString s;
3250     unsigned int i, n;
3251     for ( n = 1; ; n++ )
3252     {
3253         s += (wxChar) (_T('A') + (wxChar)(col % 26));
3254         col = col / 26 - 1;
3255         if ( col < 0 )
3256             break;
3257     }
3258
3259     // reverse the string...
3260     wxString s2;
3261     for ( i = 0; i < n; i++ )
3262     {
3263         s2 += s[n - i - 1];
3264     }
3265
3266     return s2;
3267 }
3268
3269 wxString wxGridTableBase::GetTypeName( int WXUNUSED(row), int WXUNUSED(col) )
3270 {
3271     return wxGRID_VALUE_STRING;
3272 }
3273
3274 bool wxGridTableBase::CanGetValueAs( int WXUNUSED(row), int WXUNUSED(col),
3275                                      const wxString& typeName )
3276 {
3277     return typeName == wxGRID_VALUE_STRING;
3278 }
3279
3280 bool wxGridTableBase::CanSetValueAs( int row, int col, const wxString& typeName )
3281 {
3282     return CanGetValueAs(row, col, typeName);
3283 }
3284
3285 long wxGridTableBase::GetValueAsLong( int WXUNUSED(row), int WXUNUSED(col) )
3286 {
3287     return 0;
3288 }
3289
3290 double wxGridTableBase::GetValueAsDouble( int WXUNUSED(row), int WXUNUSED(col) )
3291 {
3292     return 0.0;
3293 }
3294
3295 bool wxGridTableBase::GetValueAsBool( int WXUNUSED(row), int WXUNUSED(col) )
3296 {
3297     return false;
3298 }
3299
3300 void wxGridTableBase::SetValueAsLong( int WXUNUSED(row), int WXUNUSED(col),
3301                                       long WXUNUSED(value) )
3302 {
3303 }
3304
3305 void wxGridTableBase::SetValueAsDouble( int WXUNUSED(row), int WXUNUSED(col),
3306                                         double WXUNUSED(value) )
3307 {
3308 }
3309
3310 void wxGridTableBase::SetValueAsBool( int WXUNUSED(row), int WXUNUSED(col),
3311                                       bool WXUNUSED(value) )
3312 {
3313 }
3314
3315 void* wxGridTableBase::GetValueAsCustom( int WXUNUSED(row), int WXUNUSED(col),
3316                                          const wxString& WXUNUSED(typeName) )
3317 {
3318     return NULL;
3319 }
3320
3321 void  wxGridTableBase::SetValueAsCustom( int WXUNUSED(row), int WXUNUSED(col),
3322                                          const wxString& WXUNUSED(typeName),
3323                                          void* WXUNUSED(value) )
3324 {
3325 }
3326
3327 //////////////////////////////////////////////////////////////////////
3328 //
3329 // Message class for the grid table to send requests and notifications
3330 // to the grid view
3331 //
3332
3333 wxGridTableMessage::wxGridTableMessage()
3334 {
3335     m_table = (wxGridTableBase *) NULL;
3336     m_id = -1;
3337     m_comInt1 = -1;
3338     m_comInt2 = -1;
3339 }
3340
3341 wxGridTableMessage::wxGridTableMessage( wxGridTableBase *table, int id,
3342                                         int commandInt1, int commandInt2 )
3343 {
3344     m_table = table;
3345     m_id = id;
3346     m_comInt1 = commandInt1;
3347     m_comInt2 = commandInt2;
3348 }
3349
3350 //////////////////////////////////////////////////////////////////////
3351 //
3352 // A basic grid table for string data. An object of this class will
3353 // created by wxGrid if you don't specify an alternative table class.
3354 //
3355
3356 WX_DEFINE_OBJARRAY(wxGridStringArray)
3357
3358 IMPLEMENT_DYNAMIC_CLASS( wxGridStringTable, wxGridTableBase )
3359
3360 wxGridStringTable::wxGridStringTable()
3361         : wxGridTableBase()
3362 {
3363 }
3364
3365 wxGridStringTable::wxGridStringTable( int numRows, int numCols )
3366         : wxGridTableBase()
3367 {
3368     m_data.Alloc( numRows );
3369
3370     wxArrayString sa;
3371     sa.Alloc( numCols );
3372     sa.Add( wxEmptyString, numCols );
3373
3374     m_data.Add( sa, numRows );
3375 }
3376
3377 wxGridStringTable::~wxGridStringTable()
3378 {
3379 }
3380
3381 int wxGridStringTable::GetNumberRows()
3382 {
3383     return m_data.GetCount();
3384 }
3385
3386 int wxGridStringTable::GetNumberCols()
3387 {
3388     if ( m_data.GetCount() > 0 )
3389         return m_data[0].GetCount();
3390     else
3391         return 0;
3392 }
3393
3394 wxString wxGridStringTable::GetValue( int row, int col )
3395 {
3396     wxCHECK_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),
3397                  wxEmptyString,
3398                  _T("invalid row or column index in wxGridStringTable") );
3399
3400     return m_data[row][col];
3401 }
3402
3403 void wxGridStringTable::SetValue( int row, int col, const wxString& value )
3404 {
3405     wxCHECK_RET( (row < GetNumberRows()) && (col < GetNumberCols()),
3406                  _T("invalid row or column index in wxGridStringTable") );
3407
3408     m_data[row][col] = value;
3409 }
3410
3411 bool wxGridStringTable::IsEmptyCell( int row, int col )
3412 {
3413     wxCHECK_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),
3414                  true,
3415                   _T("invalid row or column index in wxGridStringTable") );
3416
3417     return (m_data[row][col] == wxEmptyString);
3418 }
3419
3420 void wxGridStringTable::Clear()
3421 {
3422     int row, col;
3423     int numRows, numCols;
3424
3425     numRows = m_data.GetCount();
3426     if ( numRows > 0 )
3427     {
3428         numCols = m_data[0].GetCount();
3429
3430         for ( row = 0; row < numRows; row++ )
3431         {
3432             for ( col = 0; col < numCols; col++ )
3433             {
3434                 m_data[row][col] = wxEmptyString;
3435             }
3436         }
3437     }
3438 }
3439
3440 bool wxGridStringTable::InsertRows( size_t pos, size_t numRows )
3441 {
3442     size_t curNumRows = m_data.GetCount();
3443     size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
3444                           ( GetView() ? GetView()->GetNumberCols() : 0 ) );
3445
3446     if ( pos >= curNumRows )
3447     {
3448         return AppendRows( numRows );
3449     }
3450
3451     wxArrayString sa;
3452     sa.Alloc( curNumCols );
3453     sa.Add( wxEmptyString, curNumCols );
3454     m_data.Insert( sa, pos, numRows );
3455
3456     if ( GetView() )
3457     {
3458         wxGridTableMessage msg( this,
3459                                 wxGRIDTABLE_NOTIFY_ROWS_INSERTED,
3460                                 pos,
3461                                 numRows );
3462
3463         GetView()->ProcessTableMessage( msg );
3464     }
3465
3466     return true;
3467 }
3468
3469 bool wxGridStringTable::AppendRows( size_t numRows )
3470 {
3471     size_t curNumRows = m_data.GetCount();
3472     size_t curNumCols = ( curNumRows > 0
3473                          ? m_data[0].GetCount()
3474                          : ( GetView() ? GetView()->GetNumberCols() : 0 ) );
3475
3476     wxArrayString sa;
3477     if ( curNumCols > 0 )
3478     {
3479         sa.Alloc( curNumCols );
3480         sa.Add( wxEmptyString, curNumCols );
3481     }
3482
3483     m_data.Add( sa, numRows );
3484
3485     if ( GetView() )
3486     {
3487         wxGridTableMessage msg( this,
3488                                 wxGRIDTABLE_NOTIFY_ROWS_APPENDED,
3489                                 numRows );
3490
3491         GetView()->ProcessTableMessage( msg );
3492     }
3493
3494     return true;
3495 }
3496
3497 bool wxGridStringTable::DeleteRows( size_t pos, size_t numRows )
3498 {
3499     size_t curNumRows = m_data.GetCount();
3500
3501     if ( pos >= curNumRows )
3502     {
3503         wxFAIL_MSG( wxString::Format
3504                     (
3505                         wxT("Called wxGridStringTable::DeleteRows(pos=%lu, N=%lu)\nPos value is invalid for present table with %lu rows"),
3506                         (unsigned long)pos,
3507                         (unsigned long)numRows,
3508                         (unsigned long)curNumRows
3509                     ) );
3510
3511         return false;
3512     }
3513
3514     if ( numRows > curNumRows - pos )
3515     {
3516         numRows = curNumRows - pos;
3517     }
3518
3519     if ( numRows >= curNumRows )
3520     {
3521         m_data.Clear();
3522     }
3523     else
3524     {
3525         m_data.RemoveAt( pos, numRows );
3526     }
3527
3528     if ( GetView() )
3529     {
3530         wxGridTableMessage msg( this,
3531                                 wxGRIDTABLE_NOTIFY_ROWS_DELETED,
3532                                 pos,
3533                                 numRows );
3534
3535         GetView()->ProcessTableMessage( msg );
3536     }
3537
3538     return true;
3539 }
3540
3541 bool wxGridStringTable::InsertCols( size_t pos, size_t numCols )
3542 {
3543     size_t row, col;
3544
3545     size_t curNumRows = m_data.GetCount();
3546     size_t curNumCols = ( curNumRows > 0
3547                          ? m_data[0].GetCount()
3548                          : ( GetView() ? GetView()->GetNumberCols() : 0 ) );
3549
3550     if ( pos >= curNumCols )
3551     {
3552         return AppendCols( numCols );
3553     }
3554
3555     if ( !m_colLabels.IsEmpty() )
3556     {
3557         m_colLabels.Insert( wxEmptyString, pos, numCols );
3558
3559         size_t i;
3560         for ( i = pos; i < pos + numCols; i++ )
3561             m_colLabels[i] = wxGridTableBase::GetColLabelValue( i );
3562     }
3563
3564     for ( row = 0; row < curNumRows; row++ )
3565     {
3566         for ( col = pos; col < pos + numCols; col++ )
3567         {
3568             m_data[row].Insert( wxEmptyString, col );
3569         }
3570     }
3571
3572     if ( GetView() )
3573     {
3574         wxGridTableMessage msg( this,
3575                                 wxGRIDTABLE_NOTIFY_COLS_INSERTED,
3576                                 pos,
3577                                 numCols );
3578
3579         GetView()->ProcessTableMessage( msg );
3580     }
3581
3582     return true;
3583 }
3584
3585 bool wxGridStringTable::AppendCols( size_t numCols )
3586 {
3587     size_t row;
3588
3589     size_t curNumRows = m_data.GetCount();
3590
3591 #if 0
3592     if ( !curNumRows )
3593     {
3594         // TODO: something better than this ?
3595         //
3596         wxFAIL_MSG( wxT("Unable to append cols to a grid table with no rows.\nCall AppendRows() first") );
3597         return false;
3598     }
3599 #endif
3600
3601     for ( row = 0; row < curNumRows; row++ )
3602     {
3603         m_data[row].Add( wxEmptyString, numCols );
3604     }
3605
3606     if ( GetView() )
3607     {
3608         wxGridTableMessage msg( this,
3609                                 wxGRIDTABLE_NOTIFY_COLS_APPENDED,
3610                                 numCols );
3611
3612         GetView()->ProcessTableMessage( msg );
3613     }
3614
3615     return true;
3616 }
3617
3618 bool wxGridStringTable::DeleteCols( size_t pos, size_t numCols )
3619 {
3620     size_t row;
3621
3622     size_t curNumRows = m_data.GetCount();
3623     size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
3624                           ( GetView() ? GetView()->GetNumberCols() : 0 ) );
3625
3626     if ( pos >= curNumCols )
3627     {
3628         wxFAIL_MSG( wxString::Format
3629                     (
3630                         wxT("Called wxGridStringTable::DeleteCols(pos=%lu, N=%lu)\nPos value is invalid for present table with %lu cols"),
3631                         (unsigned long)pos,
3632                         (unsigned long)numCols,
3633                         (unsigned long)curNumCols
3634                     ) );
3635         return false;
3636     }
3637
3638     int colID;
3639     if ( GetView() )
3640         colID = GetView()->GetColAt( pos );
3641     else
3642         colID = pos;
3643
3644     if ( numCols > curNumCols - colID )
3645     {
3646         numCols = curNumCols - colID;
3647     }
3648
3649     if ( !m_colLabels.IsEmpty() )
3650     {
3651         m_colLabels.RemoveAt( colID, numCols );
3652     }
3653
3654     for ( row = 0; row < curNumRows; row++ )
3655     {
3656         if ( numCols >= curNumCols )
3657         {
3658             m_data[row].Clear();
3659         }
3660         else
3661         {
3662             m_data[row].RemoveAt( colID, numCols );
3663         }
3664     }
3665
3666     if ( GetView() )
3667     {
3668         wxGridTableMessage msg( this,
3669                                 wxGRIDTABLE_NOTIFY_COLS_DELETED,
3670                                 pos,
3671                                 numCols );
3672
3673         GetView()->ProcessTableMessage( msg );
3674     }
3675
3676     return true;
3677 }
3678
3679 wxString wxGridStringTable::GetRowLabelValue( int row )
3680 {
3681     if ( row > (int)(m_rowLabels.GetCount()) - 1 )
3682     {
3683         // using default label
3684         //
3685         return wxGridTableBase::GetRowLabelValue( row );
3686     }
3687     else
3688     {
3689         return m_rowLabels[row];
3690     }
3691 }
3692
3693 wxString wxGridStringTable::GetColLabelValue( int col )
3694 {
3695     if ( col > (int)(m_colLabels.GetCount()) - 1 )
3696     {
3697         // using default label
3698         //
3699         return wxGridTableBase::GetColLabelValue( col );
3700     }
3701     else
3702     {
3703         return m_colLabels[col];
3704     }
3705 }
3706
3707 void wxGridStringTable::SetRowLabelValue( int row, const wxString& value )
3708 {
3709     if ( row > (int)(m_rowLabels.GetCount()) - 1 )
3710     {
3711         int n = m_rowLabels.GetCount();
3712         int i;
3713
3714         for ( i = n; i <= row; i++ )
3715         {
3716             m_rowLabels.Add( wxGridTableBase::GetRowLabelValue(i) );
3717         }
3718     }
3719
3720     m_rowLabels[row] = value;
3721 }
3722
3723 void wxGridStringTable::SetColLabelValue( int col, const wxString& value )
3724 {
3725     if ( col > (int)(m_colLabels.GetCount()) - 1 )
3726     {
3727         int n = m_colLabels.GetCount();
3728         int i;
3729
3730         for ( i = n; i <= col; i++ )
3731         {
3732             m_colLabels.Add( wxGridTableBase::GetColLabelValue(i) );
3733         }
3734     }
3735
3736     m_colLabels[col] = value;
3737 }
3738
3739
3740 //////////////////////////////////////////////////////////////////////
3741 //////////////////////////////////////////////////////////////////////
3742
3743 IMPLEMENT_DYNAMIC_CLASS( wxGridRowLabelWindow, wxWindow )
3744
3745 BEGIN_EVENT_TABLE( wxGridRowLabelWindow, wxWindow )
3746     EVT_PAINT( wxGridRowLabelWindow::OnPaint )
3747     EVT_MOUSEWHEEL( wxGridRowLabelWindow::OnMouseWheel )
3748     EVT_MOUSE_EVENTS( wxGridRowLabelWindow::OnMouseEvent )
3749     EVT_KEY_DOWN( wxGridRowLabelWindow::OnKeyDown )
3750     EVT_KEY_UP( wxGridRowLabelWindow::OnKeyUp )
3751     EVT_CHAR( wxGridRowLabelWindow::OnChar )
3752 END_EVENT_TABLE()
3753
3754 wxGridRowLabelWindow::wxGridRowLabelWindow( wxGrid *parent,
3755                                             wxWindowID id,
3756                                             const wxPoint &pos, const wxSize &size )
3757   : wxWindow( parent, id, pos, size, wxWANTS_CHARS | wxBORDER_NONE | wxFULL_REPAINT_ON_RESIZE )
3758 {
3759     m_owner = parent;
3760 }
3761
3762 void wxGridRowLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
3763 {
3764     wxPaintDC dc(this);
3765
3766     // NO - don't do this because it will set both the x and y origin
3767     // coords to match the parent scrolled window and we just want to
3768     // set the y coord  - MB
3769     //
3770     // m_owner->PrepareDC( dc );
3771
3772     int x, y;
3773     m_owner->CalcUnscrolledPosition( 0, 0, &x, &y );
3774     wxPoint pt = dc.GetDeviceOrigin();
3775     dc.SetDeviceOrigin( pt.x, pt.y-y );
3776
3777     wxArrayInt rows = m_owner->CalcRowLabelsExposed( GetUpdateRegion() );
3778     m_owner->DrawRowLabels( dc, rows );
3779 }
3780
3781 void wxGridRowLabelWindow::OnMouseEvent( wxMouseEvent& event )
3782 {
3783     m_owner->ProcessRowLabelMouseEvent( event );
3784 }
3785
3786 void wxGridRowLabelWindow::OnMouseWheel( wxMouseEvent& event )
3787 {
3788     m_owner->GetEventHandler()->ProcessEvent( event );
3789 }
3790
3791 // This seems to be required for wxMotif otherwise the mouse
3792 // cursor must be in the cell edit control to get key events
3793 //
3794 void wxGridRowLabelWindow::OnKeyDown( wxKeyEvent& event )
3795 {
3796     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
3797         event.Skip();
3798 }
3799
3800 void wxGridRowLabelWindow::OnKeyUp( wxKeyEvent& event )
3801 {
3802     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
3803         event.Skip();
3804 }
3805
3806 void wxGridRowLabelWindow::OnChar( wxKeyEvent& event )
3807 {
3808     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
3809         event.Skip();
3810 }
3811
3812 //////////////////////////////////////////////////////////////////////
3813
3814 IMPLEMENT_DYNAMIC_CLASS( wxGridColLabelWindow, wxWindow )
3815
3816 BEGIN_EVENT_TABLE( wxGridColLabelWindow, wxWindow )
3817     EVT_PAINT( wxGridColLabelWindow::OnPaint )
3818     EVT_MOUSEWHEEL( wxGridColLabelWindow::OnMouseWheel )
3819     EVT_MOUSE_EVENTS( wxGridColLabelWindow::OnMouseEvent )
3820     EVT_KEY_DOWN( wxGridColLabelWindow::OnKeyDown )
3821     EVT_KEY_UP( wxGridColLabelWindow::OnKeyUp )
3822     EVT_CHAR( wxGridColLabelWindow::OnChar )
3823 END_EVENT_TABLE()
3824
3825 wxGridColLabelWindow::wxGridColLabelWindow( wxGrid *parent,
3826                                             wxWindowID id,
3827                                             const wxPoint &pos, const wxSize &size )
3828   : wxWindow( parent, id, pos, size, wxWANTS_CHARS | wxBORDER_NONE | wxFULL_REPAINT_ON_RESIZE )
3829 {
3830     m_owner = parent;
3831 }
3832
3833 void wxGridColLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
3834 {
3835     wxPaintDC dc(this);
3836
3837     // NO - don't do this because it will set both the x and y origin
3838     // coords to match the parent scrolled window and we just want to
3839     // set the x coord  - MB
3840     //
3841     // m_owner->PrepareDC( dc );
3842
3843     int x, y;
3844     m_owner->CalcUnscrolledPosition( 0, 0, &x, &y );
3845     wxPoint pt = dc.GetDeviceOrigin();
3846     if (GetLayoutDirection() == wxLayout_RightToLeft)
3847         dc.SetDeviceOrigin( pt.x+x, pt.y );
3848     else
3849         dc.SetDeviceOrigin( pt.x-x, pt.y );
3850
3851     wxArrayInt cols = m_owner->CalcColLabelsExposed( GetUpdateRegion() );
3852     m_owner->DrawColLabels( dc, cols );
3853 }
3854
3855 void wxGridColLabelWindow::OnMouseEvent( wxMouseEvent& event )
3856 {
3857     m_owner->ProcessColLabelMouseEvent( event );
3858 }
3859
3860 void wxGridColLabelWindow::OnMouseWheel( wxMouseEvent& event )
3861 {
3862     m_owner->GetEventHandler()->ProcessEvent( event );
3863 }
3864
3865 // This seems to be required for wxMotif otherwise the mouse
3866 // cursor must be in the cell edit control to get key events
3867 //
3868 void wxGridColLabelWindow::OnKeyDown( wxKeyEvent& event )
3869 {
3870     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
3871         event.Skip();
3872 }
3873
3874 void wxGridColLabelWindow::OnKeyUp( wxKeyEvent& event )
3875 {
3876     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
3877         event.Skip();
3878 }
3879
3880 void wxGridColLabelWindow::OnChar( wxKeyEvent& event )
3881 {
3882     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
3883         event.Skip();
3884 }
3885
3886 //////////////////////////////////////////////////////////////////////
3887
3888 IMPLEMENT_DYNAMIC_CLASS( wxGridCornerLabelWindow, wxWindow )
3889
3890 BEGIN_EVENT_TABLE( wxGridCornerLabelWindow, wxWindow )
3891     EVT_MOUSEWHEEL( wxGridCornerLabelWindow::OnMouseWheel )
3892     EVT_MOUSE_EVENTS( wxGridCornerLabelWindow::OnMouseEvent )
3893     EVT_PAINT( wxGridCornerLabelWindow::OnPaint )
3894     EVT_KEY_DOWN( wxGridCornerLabelWindow::OnKeyDown )
3895     EVT_KEY_UP( wxGridCornerLabelWindow::OnKeyUp )
3896     EVT_CHAR( wxGridCornerLabelWindow::OnChar )
3897 END_EVENT_TABLE()
3898
3899 wxGridCornerLabelWindow::wxGridCornerLabelWindow( wxGrid *parent,
3900                                                   wxWindowID id,
3901                                                   const wxPoint &pos, const wxSize &size )
3902   : wxWindow( parent, id, pos, size, wxWANTS_CHARS | wxBORDER_NONE | wxFULL_REPAINT_ON_RESIZE )
3903 {
3904     m_owner = parent;
3905 }
3906
3907 void wxGridCornerLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
3908 {
3909     wxPaintDC dc(this);
3910
3911     int client_height = 0;
3912     int client_width = 0;
3913     GetClientSize( &client_width, &client_height );
3914
3915     // VZ: any reason for this ifdef? (FIXME)
3916 #if 0
3917 def __WXGTK__
3918     wxRect rect;
3919     rect.SetX( 1 );
3920     rect.SetY( 1 );
3921     rect.SetWidth( client_width - 2 );
3922     rect.SetHeight( client_height - 2 );
3923
3924     wxRendererNative::Get().DrawHeaderButton( this, dc, rect, 0 );
3925 #else // !__WXGTK__
3926     dc.SetPen( wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW), 1, wxSOLID) );
3927     dc.DrawLine( client_width - 1, client_height - 1, client_width - 1, 0 );
3928     dc.DrawLine( client_width - 1, client_height - 1, 0, client_height - 1 );
3929     dc.DrawLine( 0, 0, client_width, 0 );
3930     dc.DrawLine( 0, 0, 0, client_height );
3931
3932     dc.SetPen( *wxWHITE_PEN );
3933     dc.DrawLine( 1, 1, client_width - 1, 1 );
3934     dc.DrawLine( 1, 1, 1, client_height - 1 );
3935 #endif
3936 }
3937
3938 void wxGridCornerLabelWindow::OnMouseEvent( wxMouseEvent& event )
3939 {
3940     m_owner->ProcessCornerLabelMouseEvent( event );
3941 }
3942
3943 void wxGridCornerLabelWindow::OnMouseWheel( wxMouseEvent& event )
3944 {
3945     m_owner->GetEventHandler()->ProcessEvent(event);
3946 }
3947
3948 // This seems to be required for wxMotif otherwise the mouse
3949 // cursor must be in the cell edit control to get key events
3950 //
3951 void wxGridCornerLabelWindow::OnKeyDown( wxKeyEvent& event )
3952 {
3953     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
3954         event.Skip();
3955 }
3956
3957 void wxGridCornerLabelWindow::OnKeyUp( wxKeyEvent& event )
3958 {
3959     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
3960         event.Skip();
3961 }
3962
3963 void wxGridCornerLabelWindow::OnChar( wxKeyEvent& event )
3964 {
3965     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
3966         event.Skip();
3967 }
3968
3969 //////////////////////////////////////////////////////////////////////
3970
3971 IMPLEMENT_DYNAMIC_CLASS( wxGridWindow, wxWindow )
3972
3973 BEGIN_EVENT_TABLE( wxGridWindow, wxWindow )
3974     EVT_PAINT( wxGridWindow::OnPaint )
3975     EVT_MOUSEWHEEL( wxGridWindow::OnMouseWheel )
3976     EVT_MOUSE_EVENTS( wxGridWindow::OnMouseEvent )
3977     EVT_KEY_DOWN( wxGridWindow::OnKeyDown )
3978     EVT_KEY_UP( wxGridWindow::OnKeyUp )
3979     EVT_CHAR( wxGridWindow::OnChar )
3980     EVT_SET_FOCUS( wxGridWindow::OnFocus )
3981     EVT_KILL_FOCUS( wxGridWindow::OnFocus )
3982     EVT_ERASE_BACKGROUND( wxGridWindow::OnEraseBackground )
3983 END_EVENT_TABLE()
3984
3985 wxGridWindow::wxGridWindow( wxGrid *parent,
3986                             wxGridRowLabelWindow *rowLblWin,
3987                             wxGridColLabelWindow *colLblWin,
3988                             wxWindowID id,
3989                             const wxPoint &pos,
3990                             const wxSize &size )
3991             : wxWindow(
3992                 parent, id, pos, size,
3993                 wxWANTS_CHARS | wxBORDER_NONE | wxCLIP_CHILDREN | wxFULL_REPAINT_ON_RESIZE,
3994                 wxT("grid window") )
3995 {
3996     m_owner = parent;
3997     m_rowLabelWin = rowLblWin;
3998     m_colLabelWin = colLblWin;
3999 }
4000
4001 void wxGridWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
4002 {
4003     wxPaintDC dc( this );
4004     m_owner->PrepareDC( dc );
4005     wxRegion reg = GetUpdateRegion();
4006     wxGridCellCoordsArray dirtyCells = m_owner->CalcCellsExposed( reg );
4007     m_owner->DrawGridCellArea( dc, dirtyCells );
4008
4009 #if WXGRID_DRAW_LINES
4010     m_owner->DrawAllGridLines( dc, reg );
4011 #endif
4012
4013     m_owner->DrawGridSpace( dc );
4014     m_owner->DrawHighlight( dc, dirtyCells );
4015 }
4016
4017 void wxGridWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
4018 {
4019     wxWindow::ScrollWindow( dx, dy, rect );
4020     m_rowLabelWin->ScrollWindow( 0, dy, rect );
4021     m_colLabelWin->ScrollWindow( dx, 0, rect );
4022 }
4023
4024 void wxGridWindow::OnMouseEvent( wxMouseEvent& event )
4025 {
4026     if (event.ButtonDown(wxMOUSE_BTN_LEFT) && FindFocus() != this)
4027         SetFocus();
4028
4029     m_owner->ProcessGridCellMouseEvent( event );
4030 }
4031
4032 void wxGridWindow::OnMouseWheel( wxMouseEvent& event )
4033 {
4034     m_owner->GetEventHandler()->ProcessEvent( event );
4035 }
4036
4037 // This seems to be required for wxMotif/wxGTK otherwise the mouse
4038 // cursor must be in the cell edit control to get key events
4039 //
4040 void wxGridWindow::OnKeyDown( wxKeyEvent& event )
4041 {
4042     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
4043         event.Skip();
4044 }
4045
4046 void wxGridWindow::OnKeyUp( wxKeyEvent& event )
4047 {
4048     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
4049         event.Skip();
4050 }
4051
4052 void wxGridWindow::OnChar( wxKeyEvent& event )
4053 {
4054     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
4055         event.Skip();
4056 }
4057
4058 void wxGridWindow::OnEraseBackground( wxEraseEvent& WXUNUSED(event) )
4059 {
4060 }
4061
4062 void wxGridWindow::OnFocus(wxFocusEvent& event)
4063 {
4064     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
4065         event.Skip();
4066 }
4067
4068 //////////////////////////////////////////////////////////////////////
4069
4070 // Internal Helper function for computing row or column from some
4071 // (unscrolled) coordinate value, using either
4072 // m_defaultRowHeight/m_defaultColWidth or binary search on array
4073 // of m_rowBottoms/m_ColRights to speed up the search!
4074
4075 // Internal helper macros for simpler use of that function
4076
4077 static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
4078                            const wxArrayInt& BorderArray, int nMax,
4079                            bool clipToMinMax);
4080
4081 #define internalXToCol(x) XToCol(x, true)
4082 #define internalYToRow(y) CoordToRowOrCol(y, m_defaultRowHeight, \
4083                                           m_minAcceptableRowHeight, \
4084                                           m_rowBottoms, m_numRows, true)
4085
4086 /////////////////////////////////////////////////////////////////////
4087
4088 #if wxUSE_EXTENDED_RTTI
4089 WX_DEFINE_FLAGS( wxGridStyle )
4090
4091 wxBEGIN_FLAGS( wxGridStyle )
4092     // new style border flags, we put them first to
4093     // use them for streaming out
4094     wxFLAGS_MEMBER(wxBORDER_SIMPLE)
4095     wxFLAGS_MEMBER(wxBORDER_SUNKEN)
4096     wxFLAGS_MEMBER(wxBORDER_DOUBLE)
4097     wxFLAGS_MEMBER(wxBORDER_RAISED)
4098     wxFLAGS_MEMBER(wxBORDER_STATIC)
4099     wxFLAGS_MEMBER(wxBORDER_NONE)
4100
4101     // old style border flags
4102     wxFLAGS_MEMBER(wxSIMPLE_BORDER)
4103     wxFLAGS_MEMBER(wxSUNKEN_BORDER)
4104     wxFLAGS_MEMBER(wxDOUBLE_BORDER)
4105     wxFLAGS_MEMBER(wxRAISED_BORDER)
4106     wxFLAGS_MEMBER(wxSTATIC_BORDER)
4107     wxFLAGS_MEMBER(wxBORDER)
4108
4109     // standard window styles
4110     wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
4111     wxFLAGS_MEMBER(wxCLIP_CHILDREN)
4112     wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
4113     wxFLAGS_MEMBER(wxWANTS_CHARS)
4114     wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
4115     wxFLAGS_MEMBER(wxALWAYS_SHOW_SB)
4116     wxFLAGS_MEMBER(wxVSCROLL)
4117     wxFLAGS_MEMBER(wxHSCROLL)
4118
4119 wxEND_FLAGS( wxGridStyle )
4120
4121 IMPLEMENT_DYNAMIC_CLASS_XTI(wxGrid, wxScrolledWindow,"wx/grid.h")
4122
4123 wxBEGIN_PROPERTIES_TABLE(wxGrid)
4124     wxHIDE_PROPERTY( Children )
4125     wxPROPERTY_FLAGS( WindowStyle , wxGridStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE, 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
4126 wxEND_PROPERTIES_TABLE()
4127
4128 wxBEGIN_HANDLERS_TABLE(wxGrid)
4129 wxEND_HANDLERS_TABLE()
4130
4131 wxCONSTRUCTOR_5( wxGrid , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size , long , WindowStyle )
4132
4133 /*
4134  TODO : Expose more information of a list's layout, etc. via appropriate objects (e.g., NotebookPageInfo)
4135 */
4136 #else
4137 IMPLEMENT_DYNAMIC_CLASS( wxGrid, wxScrolledWindow )
4138 #endif
4139
4140 BEGIN_EVENT_TABLE( wxGrid, wxScrolledWindow )
4141     EVT_PAINT( wxGrid::OnPaint )
4142     EVT_SIZE( wxGrid::OnSize )
4143     EVT_KEY_DOWN( wxGrid::OnKeyDown )
4144     EVT_KEY_UP( wxGrid::OnKeyUp )
4145     EVT_CHAR ( wxGrid::OnChar )
4146     EVT_ERASE_BACKGROUND( wxGrid::OnEraseBackground )
4147 END_EVENT_TABLE()
4148
4149 wxGrid::wxGrid()
4150 {
4151     // in order to make sure that a size event is not
4152     // trigerred in a unfinished state
4153     m_cornerLabelWin = NULL;
4154     m_rowLabelWin = NULL;
4155     m_colLabelWin = NULL;
4156     m_gridWin = NULL;
4157 }
4158
4159 wxGrid::wxGrid( wxWindow *parent,
4160                  wxWindowID id,
4161                  const wxPoint& pos,
4162                  const wxSize& size,
4163                  long style,
4164                  const wxString& name )
4165   : wxScrolledWindow( parent, id, pos, size, (style | wxWANTS_CHARS), name ),
4166     m_colMinWidths(GRID_HASH_SIZE),
4167     m_rowMinHeights(GRID_HASH_SIZE)
4168 {
4169     Create();
4170     SetInitialSize(size);
4171 }
4172
4173 bool wxGrid::Create(wxWindow *parent, wxWindowID id,
4174                           const wxPoint& pos, const wxSize& size,
4175                           long style, const wxString& name)
4176 {
4177     if (!wxScrolledWindow::Create(parent, id, pos, size,
4178                                   style | wxWANTS_CHARS, name))
4179         return false;
4180
4181     m_colMinWidths = wxLongToLongHashMap(GRID_HASH_SIZE);
4182     m_rowMinHeights = wxLongToLongHashMap(GRID_HASH_SIZE);
4183
4184     Create();
4185     SetInitialSize(size);
4186
4187     return true;
4188 }
4189
4190 wxGrid::~wxGrid()
4191 {
4192     // Must do this or ~wxScrollHelper will pop the wrong event handler
4193     SetTargetWindow(this);
4194     ClearAttrCache();
4195     wxSafeDecRef(m_defaultCellAttr);
4196
4197 #ifdef DEBUG_ATTR_CACHE
4198     size_t total = gs_nAttrCacheHits + gs_nAttrCacheMisses;
4199     wxPrintf(_T("wxGrid attribute cache statistics: "
4200                 "total: %u, hits: %u (%u%%)\n"),
4201              total, gs_nAttrCacheHits,
4202              total ? (gs_nAttrCacheHits*100) / total : 0);
4203 #endif
4204
4205     // if we own the table, just delete it, otherwise at least don't leave it
4206     // with dangling view pointer
4207     if ( m_ownTable )
4208         delete m_table;
4209     else if ( m_table && m_table->GetView() == this )
4210         m_table->SetView(NULL);
4211
4212     delete m_typeRegistry;
4213     delete m_selection;
4214 }
4215
4216 //
4217 // ----- internal init and update functions
4218 //
4219
4220 // NOTE: If using the default visual attributes works everywhere then this can
4221 // be removed as well as the #else cases below.
4222 #define _USE_VISATTR 0
4223
4224 void wxGrid::Create()
4225 {
4226     // set to true by CreateGrid
4227     m_created = false;
4228
4229     // create the type registry
4230     m_typeRegistry = new wxGridTypeRegistry;
4231     m_selection = NULL;
4232
4233     m_table = (wxGridTableBase *) NULL;
4234     m_ownTable = false;
4235
4236     m_cellEditCtrlEnabled = false;
4237
4238     m_defaultCellAttr = new wxGridCellAttr();
4239
4240     // Set default cell attributes
4241     m_defaultCellAttr->SetDefAttr(m_defaultCellAttr);
4242     m_defaultCellAttr->SetKind(wxGridCellAttr::Default);
4243     m_defaultCellAttr->SetFont(GetFont());
4244     m_defaultCellAttr->SetAlignment(wxALIGN_LEFT, wxALIGN_TOP);
4245     m_defaultCellAttr->SetRenderer(new wxGridCellStringRenderer);
4246     m_defaultCellAttr->SetEditor(new wxGridCellTextEditor);
4247
4248 #if _USE_VISATTR
4249     wxVisualAttributes gva = wxListBox::GetClassDefaultAttributes();
4250     wxVisualAttributes lva = wxPanel::GetClassDefaultAttributes();
4251
4252     m_defaultCellAttr->SetTextColour(gva.colFg);
4253     m_defaultCellAttr->SetBackgroundColour(gva.colBg);
4254
4255 #else
4256     m_defaultCellAttr->SetTextColour(
4257         wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
4258     m_defaultCellAttr->SetBackgroundColour(
4259         wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
4260 #endif
4261
4262     m_numRows = 0;
4263     m_numCols = 0;
4264     m_currentCellCoords = wxGridNoCellCoords;
4265
4266     m_rowLabelWidth = WXGRID_DEFAULT_ROW_LABEL_WIDTH;
4267     m_colLabelHeight = WXGRID_DEFAULT_COL_LABEL_HEIGHT;
4268
4269     // subwindow components that make up the wxGrid
4270     m_rowLabelWin = new wxGridRowLabelWindow( this,
4271                                               wxID_ANY,
4272                                               wxDefaultPosition,
4273                                               wxDefaultSize );
4274
4275     m_colLabelWin = new wxGridColLabelWindow( this,
4276                                               wxID_ANY,
4277                                               wxDefaultPosition,
4278                                               wxDefaultSize );
4279
4280     m_cornerLabelWin = new wxGridCornerLabelWindow( this,
4281                                                     wxID_ANY,
4282                                                     wxDefaultPosition,
4283                                                     wxDefaultSize );
4284
4285     m_gridWin = new wxGridWindow( this,
4286                                   m_rowLabelWin,
4287                                   m_colLabelWin,
4288                                   wxID_ANY,
4289                                   wxDefaultPosition,
4290                                   wxDefaultSize );
4291
4292     SetTargetWindow( m_gridWin );
4293
4294 #if _USE_VISATTR
4295     wxColour gfg = gva.colFg;
4296     wxColour gbg = gva.colBg;
4297     wxColour lfg = lva.colFg;
4298     wxColour lbg = lva.colBg;
4299 #else
4300     wxColour gfg = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOWTEXT );
4301     wxColour gbg = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOW );
4302     wxColour lfg = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOWTEXT );
4303     wxColour lbg = wxSystemSettings::GetColour( wxSYS_COLOUR_BTNFACE );
4304 #endif
4305
4306     m_cornerLabelWin->SetOwnForegroundColour(lfg);
4307     m_cornerLabelWin->SetOwnBackgroundColour(lbg);
4308     m_rowLabelWin->SetOwnForegroundColour(lfg);
4309     m_rowLabelWin->SetOwnBackgroundColour(lbg);
4310     m_colLabelWin->SetOwnForegroundColour(lfg);
4311     m_colLabelWin->SetOwnBackgroundColour(lbg);
4312
4313     m_gridWin->SetOwnForegroundColour(gfg);
4314     m_gridWin->SetOwnBackgroundColour(gbg);
4315
4316     Init();
4317 }
4318
4319 bool wxGrid::CreateGrid( int numRows, int numCols,
4320                          wxGrid::wxGridSelectionModes selmode )
4321 {
4322     wxCHECK_MSG( !m_created,
4323                  false,
4324                  wxT("wxGrid::CreateGrid or wxGrid::SetTable called more than once") );
4325
4326     m_numRows = numRows;
4327     m_numCols = numCols;
4328
4329     m_table = new wxGridStringTable( m_numRows, m_numCols );
4330     m_table->SetView( this );
4331     m_ownTable = true;
4332     m_selection = new wxGridSelection( this, selmode );
4333
4334     CalcDimensions();
4335
4336     m_created = true;
4337
4338     return m_created;
4339 }
4340
4341 void wxGrid::SetSelectionMode(wxGrid::wxGridSelectionModes selmode)
4342 {
4343     wxCHECK_RET( m_created,
4344                  wxT("Called wxGrid::SetSelectionMode() before calling CreateGrid()") );
4345
4346     m_selection->SetSelectionMode( selmode );
4347 }
4348
4349 wxGrid::wxGridSelectionModes wxGrid::GetSelectionMode() const
4350 {
4351     wxCHECK_MSG( m_created, wxGrid::wxGridSelectCells,
4352                  wxT("Called wxGrid::GetSelectionMode() before calling CreateGrid()") );
4353
4354     return m_selection->GetSelectionMode();
4355 }
4356
4357 bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership,
4358                        wxGrid::wxGridSelectionModes selmode )
4359 {
4360     if ( m_created )
4361     {
4362         // stop all processing
4363         m_created = false;
4364
4365         if (m_ownTable)
4366         {
4367             wxGridTableBase *t = m_table;
4368             m_table = NULL;
4369             delete t;
4370         }
4371
4372         delete m_selection;
4373
4374         m_table = NULL;
4375         m_selection = NULL;
4376         m_numRows = 0;
4377         m_numCols = 0;
4378     }
4379
4380     if (table)
4381     {
4382         m_numRows = table->GetNumberRows();
4383         m_numCols = table->GetNumberCols();
4384
4385         m_table = table;
4386         m_table->SetView( this );
4387         m_ownTable = takeOwnership;
4388         m_selection = new wxGridSelection( this, selmode );
4389
4390         CalcDimensions();
4391
4392         m_created = true;
4393     }
4394
4395     return m_created;
4396 }
4397
4398 void wxGrid::Init()
4399 {
4400     m_rowLabelWidth  = WXGRID_DEFAULT_ROW_LABEL_WIDTH;
4401     m_colLabelHeight = WXGRID_DEFAULT_COL_LABEL_HEIGHT;
4402
4403     if ( m_rowLabelWin )
4404     {
4405         m_labelBackgroundColour = m_rowLabelWin->GetBackgroundColour();
4406     }
4407     else
4408     {
4409         m_labelBackgroundColour = *wxWHITE;
4410     }
4411
4412     m_labelTextColour = *wxBLACK;
4413
4414     // init attr cache
4415     m_attrCache.row = -1;
4416     m_attrCache.col = -1;
4417     m_attrCache.attr = NULL;
4418
4419     // TODO: something better than this ?
4420     //
4421     m_labelFont = this->GetFont();
4422     m_labelFont.SetWeight( wxBOLD );
4423
4424     m_rowLabelHorizAlign = wxALIGN_CENTRE;
4425     m_rowLabelVertAlign  = wxALIGN_CENTRE;
4426
4427     m_colLabelHorizAlign = wxALIGN_CENTRE;
4428     m_colLabelVertAlign  = wxALIGN_CENTRE;
4429     m_colLabelTextOrientation = wxHORIZONTAL;
4430
4431     m_defaultColWidth  = WXGRID_DEFAULT_COL_WIDTH;
4432     m_defaultRowHeight = m_gridWin->GetCharHeight();
4433
4434     m_minAcceptableColWidth  = WXGRID_MIN_COL_WIDTH;
4435     m_minAcceptableRowHeight = WXGRID_MIN_ROW_HEIGHT;
4436
4437 #if defined(__WXMOTIF__) || defined(__WXGTK__)  // see also text ctrl sizing in ShowCellEditControl()
4438     m_defaultRowHeight += 8;
4439 #else
4440     m_defaultRowHeight += 4;
4441 #endif
4442
4443     m_gridLineColour = wxColour( 192,192,192 );
4444     m_gridLinesEnabled = true;
4445     m_cellHighlightColour = *wxBLACK;
4446     m_cellHighlightPenWidth = 2;
4447     m_cellHighlightROPenWidth = 1;
4448
4449     m_canDragColMove = false;
4450
4451     m_cursorMode  = WXGRID_CURSOR_SELECT_CELL;
4452     m_winCapture = (wxWindow *)NULL;
4453     m_canDragRowSize = true;
4454     m_canDragColSize = true;
4455     m_canDragGridSize = true;
4456     m_canDragCell = false;
4457     m_dragLastPos  = -1;
4458     m_dragRowOrCol = -1;
4459     m_isDragging = false;
4460     m_startDragPos = wxDefaultPosition;
4461
4462     m_waitForSlowClick = false;
4463
4464     m_rowResizeCursor = wxCursor( wxCURSOR_SIZENS );
4465     m_colResizeCursor = wxCursor( wxCURSOR_SIZEWE );
4466
4467     m_currentCellCoords = wxGridNoCellCoords;
4468
4469     ClearSelection();
4470
4471     m_selectionBackground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
4472     m_selectionForeground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
4473
4474     m_editable = true;  // default for whole grid
4475
4476     m_inOnKeyDown = false;
4477     m_batchCount = 0;
4478
4479     m_extraWidth =
4480     m_extraHeight = 0;
4481
4482     m_scrollLineX = GRID_SCROLL_LINE_X;
4483     m_scrollLineY = GRID_SCROLL_LINE_Y;
4484 }
4485
4486 // ----------------------------------------------------------------------------
4487 // the idea is to call these functions only when necessary because they create
4488 // quite big arrays which eat memory mostly unnecessary - in particular, if
4489 // default widths/heights are used for all rows/columns, we may not use these
4490 // arrays at all
4491 //
4492 // with some extra code, it should be possible to only store the widths/heights
4493 // different from default ones (resulting in space savings for huge grids) but
4494 // this is not done currently
4495 // ----------------------------------------------------------------------------
4496
4497 void wxGrid::InitRowHeights()
4498 {
4499     m_rowHeights.Empty();
4500     m_rowBottoms.Empty();
4501
4502     m_rowHeights.Alloc( m_numRows );
4503     m_rowBottoms.Alloc( m_numRows );
4504
4505     m_rowHeights.Add( m_defaultRowHeight, m_numRows );
4506
4507     int rowBottom = 0;
4508     for ( int i = 0; i < m_numRows; i++ )
4509     {
4510         rowBottom += m_defaultRowHeight;
4511         m_rowBottoms.Add( rowBottom );
4512     }
4513 }
4514
4515 void wxGrid::InitColWidths()
4516 {
4517     m_colWidths.Empty();
4518     m_colRights.Empty();
4519
4520     m_colWidths.Alloc( m_numCols );
4521     m_colRights.Alloc( m_numCols );
4522
4523     m_colWidths.Add( m_defaultColWidth, m_numCols );
4524
4525     int colRight = 0;
4526     for ( int i = 0; i < m_numCols; i++ )
4527     {
4528         colRight = ( GetColPos( i ) + 1 ) * m_defaultColWidth;
4529         m_colRights.Add( colRight );
4530     }
4531 }
4532
4533 int wxGrid::GetColWidth(int col) const
4534 {
4535     return m_colWidths.IsEmpty() ? m_defaultColWidth : m_colWidths[col];
4536 }
4537
4538 int wxGrid::GetColLeft(int col) const
4539 {
4540     return m_colRights.IsEmpty() ? GetColPos( col ) * m_defaultColWidth
4541                                  : m_colRights[col] - m_colWidths[col];
4542 }
4543
4544 int wxGrid::GetColRight(int col) const
4545 {
4546     return m_colRights.IsEmpty() ? (GetColPos( col ) + 1) * m_defaultColWidth
4547                                  : m_colRights[col];
4548 }
4549
4550 int wxGrid::GetRowHeight(int row) const
4551 {
4552     return m_rowHeights.IsEmpty() ? m_defaultRowHeight : m_rowHeights[row];
4553 }
4554
4555 int wxGrid::GetRowTop(int row) const
4556 {
4557     return m_rowBottoms.IsEmpty() ? row * m_defaultRowHeight
4558                                   : m_rowBottoms[row] - m_rowHeights[row];
4559 }
4560
4561 int wxGrid::GetRowBottom(int row) const
4562 {
4563     return m_rowBottoms.IsEmpty() ? (row + 1) * m_defaultRowHeight
4564                                   : m_rowBottoms[row];
4565 }
4566
4567 void wxGrid::CalcDimensions()
4568 {
4569     // compute the size of the scrollable area
4570     int w = m_numCols > 0 ? GetColRight(GetColAt(m_numCols - 1)) : 0;
4571     int h = m_numRows > 0 ? GetRowBottom(m_numRows - 1) : 0;
4572
4573     w += m_extraWidth;
4574     h += m_extraHeight;
4575
4576     // take into account editor if shown
4577     if ( IsCellEditControlShown() )
4578     {
4579         int w2, h2;
4580         int r = m_currentCellCoords.GetRow();
4581         int c = m_currentCellCoords.GetCol();
4582         int x = GetColLeft(c);
4583         int y = GetRowTop(r);
4584
4585         // how big is the editor
4586         wxGridCellAttr* attr = GetCellAttr(r, c);
4587         wxGridCellEditor* editor = attr->GetEditor(this, r, c);
4588         editor->GetControl()->GetSize(&w2, &h2);
4589         w2 += x;
4590         h2 += y;
4591         if ( w2 > w )
4592             w = w2;
4593         if ( h2 > h )
4594             h = h2;
4595         editor->DecRef();
4596         attr->DecRef();
4597     }
4598
4599     // preserve (more or less) the previous position
4600     int x, y;
4601     GetViewStart( &x, &y );
4602
4603     // ensure the position is valid for the new scroll ranges
4604     if ( x >= w )
4605         x = wxMax( w - 1, 0 );
4606     if ( y >= h )
4607         y = wxMax( h - 1, 0 );
4608
4609     // do set scrollbar parameters
4610     SetScrollbars( m_scrollLineX, m_scrollLineY,
4611                    GetScrollX(w), GetScrollY(h),
4612                    x, y,
4613                    GetBatchCount() != 0);
4614
4615     // if our OnSize() hadn't been called (it would if we have scrollbars), we
4616     // still must reposition the children
4617     CalcWindowSizes();
4618 }
4619
4620 void wxGrid::CalcWindowSizes()
4621 {
4622     // escape if the window is has not been fully created yet
4623
4624     if ( m_cornerLabelWin == NULL )
4625         return;
4626
4627     int cw, ch;
4628     GetClientSize( &cw, &ch );
4629
4630     // this block of code tries to work around the following problem: the grid
4631     // could have been just resized to have enough space to show the full grid
4632     // window contents without the scrollbars, but its client size could be
4633     // not big enough because the grid has the scrollbars right now and so the
4634     // scrollbars would remain even though we don't need them any more
4635     //
4636     // to prevent this from happening, check if we have enough space for
4637     // everything without the scrollbars and explicitly disable them then
4638     wxSize size = GetSize() - GetWindowBorderSize();
4639     if ( size != wxSize(cw, ch) )
4640     {
4641         // check if we have enough space for grid window after accounting for
4642         // the fixed size elements
4643         size.x -= m_rowLabelWidth;
4644         size.y -= m_colLabelHeight;
4645
4646         const wxSize vsize = m_gridWin->GetVirtualSize();
4647
4648         if ( size.x >= vsize.x && size.y >= vsize.y )
4649         {
4650             // yes, we do, so remove the scrollbars and use the new client size
4651             // (which should be the same as full window size - borders now)
4652             SetScrollbars(0, 0, 0, 0);
4653             GetClientSize(&cw, &ch);
4654         }
4655     }
4656
4657     if ( m_cornerLabelWin && m_cornerLabelWin->IsShown() )
4658         m_cornerLabelWin->SetSize( 0, 0, m_rowLabelWidth, m_colLabelHeight );
4659
4660     if ( m_colLabelWin && m_colLabelWin->IsShown() )
4661         m_colLabelWin->SetSize( m_rowLabelWidth, 0, cw - m_rowLabelWidth, m_colLabelHeight );
4662
4663     if ( m_rowLabelWin && m_rowLabelWin->IsShown() )
4664         m_rowLabelWin->SetSize( 0, m_colLabelHeight, m_rowLabelWidth, ch - m_colLabelHeight );
4665
4666     if ( m_gridWin && m_gridWin->IsShown() )
4667         m_gridWin->SetSize( m_rowLabelWidth, m_colLabelHeight, cw - m_rowLabelWidth, ch - m_colLabelHeight );
4668 }
4669
4670 // this is called when the grid table sends a message
4671 // to indicate that it has been redimensioned
4672 //
4673 bool wxGrid::Redimension( wxGridTableMessage& msg )
4674 {
4675     int i;
4676     bool result = false;
4677
4678     // Clear the attribute cache as the attribute might refer to a different
4679     // cell than stored in the cache after adding/removing rows/columns.
4680     ClearAttrCache();
4681
4682     // By the same reasoning, the editor should be dismissed if columns are
4683     // added or removed. And for consistency, it should IMHO always be
4684     // removed, not only if the cell "underneath" it actually changes.
4685     // For now, I intentionally do not save the editor's content as the
4686     // cell it might want to save that stuff to might no longer exist.
4687     HideCellEditControl();
4688
4689 #if 0
4690     // if we were using the default widths/heights so far, we must change them
4691     // now
4692     if ( m_colWidths.IsEmpty() )
4693     {
4694         InitColWidths();
4695     }
4696
4697     if ( m_rowHeights.IsEmpty() )
4698     {
4699         InitRowHeights();
4700     }
4701 #endif
4702
4703     switch ( msg.GetId() )
4704     {
4705         case wxGRIDTABLE_NOTIFY_ROWS_INSERTED:
4706         {
4707             size_t pos = msg.GetCommandInt();
4708             int numRows = msg.GetCommandInt2();
4709
4710             m_numRows += numRows;
4711
4712             if ( !m_rowHeights.IsEmpty() )
4713             {
4714                 m_rowHeights.Insert( m_defaultRowHeight, pos, numRows );
4715                 m_rowBottoms.Insert( 0, pos, numRows );
4716
4717                 int bottom = 0;
4718                 if ( pos > 0 )
4719                     bottom = m_rowBottoms[pos - 1];
4720
4721                 for ( i = pos; i < m_numRows; i++ )
4722                 {
4723                     bottom += m_rowHeights[i];
4724                     m_rowBottoms[i] = bottom;
4725                 }
4726             }
4727
4728             if ( m_currentCellCoords == wxGridNoCellCoords )
4729             {
4730                 // if we have just inserted cols into an empty grid the current
4731                 // cell will be undefined...
4732                 //
4733                 SetCurrentCell( 0, 0 );
4734             }
4735
4736             if ( m_selection )
4737                 m_selection->UpdateRows( pos, numRows );
4738             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
4739             if (attrProvider)
4740                 attrProvider->UpdateAttrRows( pos, numRows );
4741
4742             if ( !GetBatchCount() )
4743             {
4744                 CalcDimensions();
4745                 m_rowLabelWin->Refresh();
4746             }
4747         }
4748         result = true;
4749         break;
4750
4751         case wxGRIDTABLE_NOTIFY_ROWS_APPENDED:
4752         {
4753             int numRows = msg.GetCommandInt();
4754             int oldNumRows = m_numRows;
4755             m_numRows += numRows;
4756
4757             if ( !m_rowHeights.IsEmpty() )
4758             {
4759                 m_rowHeights.Add( m_defaultRowHeight, numRows );
4760                 m_rowBottoms.Add( 0, numRows );
4761
4762                 int bottom = 0;
4763                 if ( oldNumRows > 0 )
4764                     bottom = m_rowBottoms[oldNumRows - 1];
4765
4766                 for ( i = oldNumRows; i < m_numRows; i++ )
4767                 {
4768                     bottom += m_rowHeights[i];
4769                     m_rowBottoms[i] = bottom;
4770                 }
4771             }
4772
4773             if ( m_currentCellCoords == wxGridNoCellCoords )
4774             {
4775                 // if we have just inserted cols into an empty grid the current
4776                 // cell will be undefined...
4777                 //
4778                 SetCurrentCell( 0, 0 );
4779             }
4780
4781             if ( !GetBatchCount() )
4782             {
4783                 CalcDimensions();
4784                 m_rowLabelWin->Refresh();
4785             }
4786         }
4787         result = true;
4788         break;
4789
4790         case wxGRIDTABLE_NOTIFY_ROWS_DELETED:
4791         {
4792             size_t pos = msg.GetCommandInt();
4793             int numRows = msg.GetCommandInt2();
4794             m_numRows -= numRows;
4795
4796             if ( !m_rowHeights.IsEmpty() )
4797             {
4798                 m_rowHeights.RemoveAt( pos, numRows );
4799                 m_rowBottoms.RemoveAt( pos, numRows );
4800
4801                 int h = 0;
4802                 for ( i = 0; i < m_numRows; i++ )
4803                 {
4804                     h += m_rowHeights[i];
4805                     m_rowBottoms[i] = h;
4806                 }
4807             }
4808
4809             if ( !m_numRows )
4810             {
4811                 m_currentCellCoords = wxGridNoCellCoords;
4812             }
4813             else
4814             {
4815                 if ( m_currentCellCoords.GetRow() >= m_numRows )
4816                     m_currentCellCoords.Set( 0, 0 );
4817             }
4818
4819             if ( m_selection )
4820                 m_selection->UpdateRows( pos, -((int)numRows) );
4821             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
4822             if (attrProvider)
4823             {
4824                 attrProvider->UpdateAttrRows( pos, -((int)numRows) );
4825
4826 // ifdef'd out following patch from Paul Gammans
4827 #if 0
4828                 // No need to touch column attributes, unless we
4829                 // removed _all_ rows, in this case, we remove
4830                 // all column attributes.
4831                 // I hate to do this here, but the
4832                 // needed data is not available inside UpdateAttrRows.
4833                 if ( !GetNumberRows() )
4834                     attrProvider->UpdateAttrCols( 0, -GetNumberCols() );
4835 #endif
4836             }
4837
4838             if ( !GetBatchCount() )
4839             {
4840                 CalcDimensions();
4841                 m_rowLabelWin->Refresh();
4842             }
4843         }
4844         result = true;
4845         break;
4846
4847         case wxGRIDTABLE_NOTIFY_COLS_INSERTED:
4848         {
4849             size_t pos = msg.GetCommandInt();
4850             int numCols = msg.GetCommandInt2();
4851             m_numCols += numCols;
4852
4853             if ( !m_colAt.IsEmpty() )
4854             {
4855                 //Shift the column IDs
4856                 int i;
4857                 for ( i = 0; i < m_numCols - numCols; i++ )
4858                 {
4859                     if ( m_colAt[i] >= (int)pos )
4860                         m_colAt[i] += numCols;
4861                 }
4862
4863                 m_colAt.Insert( pos, pos, numCols );
4864
4865                 //Set the new columns' positions
4866                 for ( i = pos + 1; i < (int)pos + numCols; i++ )
4867                 {
4868                     m_colAt[i] = i;
4869                 }
4870             }
4871
4872             if ( !m_colWidths.IsEmpty() )
4873             {
4874                 m_colWidths.Insert( m_defaultColWidth, pos, numCols );
4875                 m_colRights.Insert( 0, pos, numCols );
4876
4877                 int right = 0;
4878                 if ( pos > 0 )
4879                     right = m_colRights[GetColAt( pos - 1 )];
4880
4881                 int colPos;
4882                 for ( colPos = pos; colPos < m_numCols; colPos++ )
4883                 {
4884                     i = GetColAt( colPos );
4885
4886                     right += m_colWidths[i];
4887                     m_colRights[i] = right;
4888                 }
4889             }
4890
4891             if ( m_currentCellCoords == wxGridNoCellCoords )
4892             {
4893                 // if we have just inserted cols into an empty grid the current
4894                 // cell will be undefined...
4895                 //
4896                 SetCurrentCell( 0, 0 );
4897             }
4898
4899             if ( m_selection )
4900                 m_selection->UpdateCols( pos, numCols );
4901             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
4902             if (attrProvider)
4903                 attrProvider->UpdateAttrCols( pos, numCols );
4904             if ( !GetBatchCount() )
4905             {
4906                 CalcDimensions();
4907                 m_colLabelWin->Refresh();
4908             }
4909         }
4910         result = true;
4911         break;
4912
4913         case wxGRIDTABLE_NOTIFY_COLS_APPENDED:
4914         {
4915             int numCols = msg.GetCommandInt();
4916             int oldNumCols = m_numCols;
4917             m_numCols += numCols;
4918
4919             if ( !m_colAt.IsEmpty() )
4920             {
4921                 m_colAt.Add( 0, numCols );
4922
4923                 //Set the new columns' positions
4924                 int i;
4925                 for ( i = oldNumCols; i < m_numCols; i++ )
4926                 {
4927                     m_colAt[i] = i;
4928                 }
4929             }
4930
4931             if ( !m_colWidths.IsEmpty() )
4932             {
4933                 m_colWidths.Add( m_defaultColWidth, numCols );
4934                 m_colRights.Add( 0, numCols );
4935
4936                 int right = 0;
4937                 if ( oldNumCols > 0 )
4938                     right = m_colRights[GetColAt( oldNumCols - 1 )];
4939
4940                 int colPos;
4941                 for ( colPos = oldNumCols; colPos < m_numCols; colPos++ )
4942                 {
4943                     i = GetColAt( colPos );
4944
4945                     right += m_colWidths[i];
4946                     m_colRights[i] = right;
4947                 }
4948             }
4949
4950             if ( m_currentCellCoords == wxGridNoCellCoords )
4951             {
4952                 // if we have just inserted cols into an empty grid the current
4953                 // cell will be undefined...
4954                 //
4955                 SetCurrentCell( 0, 0 );
4956             }
4957             if ( !GetBatchCount() )
4958             {
4959                 CalcDimensions();
4960                 m_colLabelWin->Refresh();
4961             }
4962         }
4963         result = true;
4964         break;
4965
4966         case wxGRIDTABLE_NOTIFY_COLS_DELETED:
4967         {
4968             size_t pos = msg.GetCommandInt();
4969             int numCols = msg.GetCommandInt2();
4970             m_numCols -= numCols;
4971
4972             if ( !m_colAt.IsEmpty() )
4973             {
4974                 int colID = GetColAt( pos );
4975
4976                 m_colAt.RemoveAt( pos, numCols );
4977
4978                 //Shift the column IDs
4979                 int colPos;
4980                 for ( colPos = 0; colPos < m_numCols; colPos++ )
4981                 {
4982                     if ( m_colAt[colPos] > colID )
4983                         m_colAt[colPos] -= numCols;
4984                 }
4985             }
4986
4987             if ( !m_colWidths.IsEmpty() )
4988             {
4989                 m_colWidths.RemoveAt( pos, numCols );
4990                 m_colRights.RemoveAt( pos, numCols );
4991
4992                 int w = 0;
4993                 int colPos;
4994                 for ( colPos = 0; colPos < m_numCols; colPos++ )
4995                 {
4996                     i = GetColAt( colPos );
4997
4998                     w += m_colWidths[i];
4999                     m_colRights[i] = w;
5000                 }
5001             }
5002
5003             if ( !m_numCols )
5004             {
5005                 m_currentCellCoords = wxGridNoCellCoords;
5006             }
5007             else
5008             {
5009                 if ( m_currentCellCoords.GetCol() >= m_numCols )
5010                   m_currentCellCoords.Set( 0, 0 );
5011             }
5012
5013             if ( m_selection )
5014                 m_selection->UpdateCols( pos, -((int)numCols) );
5015             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
5016             if (attrProvider)
5017             {
5018                 attrProvider->UpdateAttrCols( pos, -((int)numCols) );
5019
5020 // ifdef'd out following patch from Paul Gammans
5021 #if 0
5022                 // No need to touch row attributes, unless we
5023                 // removed _all_ columns, in this case, we remove
5024                 // all row attributes.
5025                 // I hate to do this here, but the
5026                 // needed data is not available inside UpdateAttrCols.
5027                 if ( !GetNumberCols() )
5028                     attrProvider->UpdateAttrRows( 0, -GetNumberRows() );
5029 #endif
5030             }
5031
5032             if ( !GetBatchCount() )
5033             {
5034                 CalcDimensions();
5035                 m_colLabelWin->Refresh();
5036             }
5037         }
5038         result = true;
5039         break;
5040     }
5041
5042     if (result && !GetBatchCount() )
5043         m_gridWin->Refresh();
5044
5045     return result;
5046 }
5047
5048 wxArrayInt wxGrid::CalcRowLabelsExposed( const wxRegion& reg )
5049 {
5050     wxRegionIterator iter( reg );
5051     wxRect r;
5052
5053     wxArrayInt  rowlabels;
5054
5055     int top, bottom;
5056     while ( iter )
5057     {
5058         r = iter.GetRect();
5059
5060         // TODO: remove this when we can...
5061         // There is a bug in wxMotif that gives garbage update
5062         // rectangles if you jump-scroll a long way by clicking the
5063         // scrollbar with middle button.  This is a work-around
5064         //
5065 #if defined(__WXMOTIF__)
5066         int cw, ch;
5067         m_gridWin->GetClientSize( &cw, &ch );
5068         if ( r.GetTop() > ch )
5069             r.SetTop( 0 );
5070         r.SetBottom( wxMin( r.GetBottom(), ch ) );
5071 #endif
5072
5073         // logical bounds of update region
5074         //
5075         int dummy;
5076         CalcUnscrolledPosition( 0, r.GetTop(), &dummy, &top );
5077         CalcUnscrolledPosition( 0, r.GetBottom(), &dummy, &bottom );
5078
5079         // find the row labels within these bounds
5080         //
5081         int row;
5082         for ( row = internalYToRow(top); row < m_numRows; row++ )
5083         {
5084             if ( GetRowBottom(row) < top )
5085                 continue;
5086
5087             if ( GetRowTop(row) > bottom )
5088                 break;
5089
5090             rowlabels.Add( row );
5091         }
5092
5093         ++iter;
5094     }
5095
5096     return rowlabels;
5097 }
5098
5099 wxArrayInt wxGrid::CalcColLabelsExposed( const wxRegion& reg )
5100 {
5101     wxRegionIterator iter( reg );
5102     wxRect r;
5103
5104     wxArrayInt colLabels;
5105
5106     int left, right;
5107     while ( iter )
5108     {
5109         r = iter.GetRect();
5110
5111         // TODO: remove this when we can...
5112         // There is a bug in wxMotif that gives garbage update
5113         // rectangles if you jump-scroll a long way by clicking the
5114         // scrollbar with middle button.  This is a work-around
5115         //
5116 #if defined(__WXMOTIF__)
5117         int cw, ch;
5118         m_gridWin->GetClientSize( &cw, &ch );
5119         if ( r.GetLeft() > cw )
5120             r.SetLeft( 0 );
5121         r.SetRight( wxMin( r.GetRight(), cw ) );
5122 #endif
5123
5124         // logical bounds of update region
5125         //
5126         int dummy;
5127         CalcUnscrolledPosition( r.GetLeft(), 0, &left, &dummy );
5128         CalcUnscrolledPosition( r.GetRight(), 0, &right, &dummy );
5129
5130         // find the cells within these bounds
5131         //
5132         int col;
5133         int colPos;
5134         for ( colPos = GetColPos( internalXToCol(left) ); colPos < m_numCols; colPos++ )
5135         {
5136             col = GetColAt( colPos );
5137
5138             if ( GetColRight(col) < left )
5139                 continue;
5140
5141             if ( GetColLeft(col) > right )
5142                 break;
5143
5144             colLabels.Add( col );
5145         }
5146
5147         ++iter;
5148     }
5149
5150     return colLabels;
5151 }
5152
5153 wxGridCellCoordsArray wxGrid::CalcCellsExposed( const wxRegion& reg )
5154 {
5155     wxRegionIterator iter( reg );
5156     wxRect r;
5157
5158     wxGridCellCoordsArray  cellsExposed;
5159
5160     int left, top, right, bottom;
5161     while ( iter )
5162     {
5163         r = iter.GetRect();
5164
5165         // TODO: remove this when we can...
5166         // There is a bug in wxMotif that gives garbage update
5167         // rectangles if you jump-scroll a long way by clicking the
5168         // scrollbar with middle button.  This is a work-around
5169         //
5170 #if defined(__WXMOTIF__)
5171         int cw, ch;
5172         m_gridWin->GetClientSize( &cw, &ch );
5173         if ( r.GetTop() > ch ) r.SetTop( 0 );
5174         if ( r.GetLeft() > cw ) r.SetLeft( 0 );
5175         r.SetRight( wxMin( r.GetRight(), cw ) );
5176         r.SetBottom( wxMin( r.GetBottom(), ch ) );
5177 #endif
5178
5179         // logical bounds of update region
5180         //
5181         CalcUnscrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
5182         CalcUnscrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
5183
5184         // find the cells within these bounds
5185         //
5186         int row, col;
5187         for ( row = internalYToRow(top); row < m_numRows; row++ )
5188         {
5189             if ( GetRowBottom(row) <= top )
5190                 continue;
5191
5192             if ( GetRowTop(row) > bottom )
5193                 break;
5194
5195             int colPos;
5196             for ( colPos = GetColPos( internalXToCol(left) ); colPos < m_numCols; colPos++ )
5197             {
5198                 col = GetColAt( colPos );
5199
5200                 if ( GetColRight(col) <= left )
5201                     continue;
5202
5203                 if ( GetColLeft(col) > right )
5204                     break;
5205
5206                 cellsExposed.Add( wxGridCellCoords( row, col ) );
5207             }
5208         }
5209
5210         ++iter;
5211     }
5212
5213     return cellsExposed;
5214 }
5215
5216
5217 void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
5218 {
5219     int x, y, row;
5220     wxPoint pos( event.GetPosition() );
5221     CalcUnscrolledPosition( pos.x, pos.y, &x, &y );
5222
5223     if ( event.Dragging() )
5224     {
5225         if (!m_isDragging)
5226         {
5227             m_isDragging = true;
5228             m_rowLabelWin->CaptureMouse();
5229         }
5230
5231         if ( event.LeftIsDown() )
5232         {
5233             switch ( m_cursorMode )
5234             {
5235                 case WXGRID_CURSOR_RESIZE_ROW:
5236                 {
5237                     int cw, ch, left, dummy;
5238                     m_gridWin->GetClientSize( &cw, &ch );
5239                     CalcUnscrolledPosition( 0, 0, &left, &dummy );
5240
5241                     wxClientDC dc( m_gridWin );
5242                     PrepareDC( dc );
5243                     y = wxMax( y,
5244                                GetRowTop(m_dragRowOrCol) +
5245                                GetRowMinimalHeight(m_dragRowOrCol) );
5246                     dc.SetLogicalFunction(wxINVERT);
5247                     if ( m_dragLastPos >= 0 )
5248                     {
5249                         dc.DrawLine( left, m_dragLastPos, left+cw, m_dragLastPos );
5250                     }
5251                     dc.DrawLine( left, y, left+cw, y );
5252                     m_dragLastPos = y;
5253                 }
5254                 break;
5255
5256                 case WXGRID_CURSOR_SELECT_ROW:
5257                 {
5258                     if ( (row = YToRow( y )) >= 0 )
5259                     {
5260                         if ( m_selection )
5261                         {
5262                             m_selection->SelectRow( row,
5263                                                     event.ControlDown(),
5264                                                     event.ShiftDown(),
5265                                                     event.AltDown(),
5266                                                     event.MetaDown() );
5267                         }
5268                     }
5269                 }
5270                 break;
5271
5272                 // default label to suppress warnings about "enumeration value
5273                 // 'xxx' not handled in switch
5274                 default:
5275                     break;
5276             }
5277         }
5278         return;
5279     }
5280
5281     if ( m_isDragging && (event.Entering() || event.Leaving()) )
5282         return;
5283
5284     if (m_isDragging)
5285     {
5286         if (m_rowLabelWin->HasCapture())
5287             m_rowLabelWin->ReleaseMouse();
5288         m_isDragging = false;
5289     }
5290
5291     // ------------ Entering or leaving the window
5292     //
5293     if ( event.Entering() || event.Leaving() )
5294     {
5295         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin);
5296     }
5297
5298     // ------------ Left button pressed
5299     //
5300     else if ( event.LeftDown() )
5301     {
5302         // don't send a label click event for a hit on the
5303         // edge of the row label - this is probably the user
5304         // wanting to resize the row
5305         //
5306         if ( YToEdgeOfRow(y) < 0 )
5307         {
5308             row = YToRow(y);
5309             if ( row >= 0 &&
5310                  !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, row, -1, event ) )
5311             {
5312                 if ( !event.ShiftDown() && !event.CmdDown() )
5313                     ClearSelection();
5314                 if ( m_selection )
5315                 {
5316                     if ( event.ShiftDown() )
5317                     {
5318                         m_selection->SelectBlock( m_currentCellCoords.GetRow(),
5319                                                   0,
5320                                                   row,
5321                                                   GetNumberCols() - 1,
5322                                                   event.ControlDown(),
5323                                                   event.ShiftDown(),
5324                                                   event.AltDown(),
5325                                                   event.MetaDown() );
5326                     }
5327                     else
5328                     {
5329                         m_selection->SelectRow( row,
5330                                                 event.ControlDown(),
5331                                                 event.ShiftDown(),
5332                                                 event.AltDown(),
5333                                                 event.MetaDown() );
5334                     }
5335                 }
5336
5337                 ChangeCursorMode(WXGRID_CURSOR_SELECT_ROW, m_rowLabelWin);
5338             }
5339         }
5340         else
5341         {
5342             // starting to drag-resize a row
5343             if ( CanDragRowSize() )
5344                 ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, m_rowLabelWin);
5345         }
5346     }
5347
5348     // ------------ Left double click
5349     //
5350     else if (event.LeftDClick() )
5351     {
5352         row = YToEdgeOfRow(y);
5353         if ( row < 0 )
5354         {
5355             row = YToRow(y);
5356             if ( row >=0 &&
5357                  !SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, row, -1, event ) )
5358             {
5359                 // no default action at the moment
5360             }
5361         }
5362         else
5363         {
5364             // adjust row height depending on label text
5365             AutoSizeRowLabelSize( row );
5366
5367             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin);
5368             m_dragLastPos = -1;
5369         }
5370     }
5371
5372     // ------------ Left button released
5373     //
5374     else if ( event.LeftUp() )
5375     {
5376         if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
5377         {
5378             DoEndDragResizeRow();
5379
5380             // Note: we are ending the event *after* doing
5381             // default processing in this case
5382             //
5383             SendEvent( wxEVT_GRID_ROW_SIZE, m_dragRowOrCol, -1, event );
5384         }
5385
5386         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin);
5387         m_dragLastPos = -1;
5388     }
5389
5390     // ------------ Right button down
5391     //
5392     else if ( event.RightDown() )
5393     {
5394         row = YToRow(y);
5395         if ( row >=0 &&
5396              !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, row, -1, event ) )
5397         {
5398             // no default action at the moment
5399         }
5400     }
5401
5402     // ------------ Right double click
5403     //
5404     else if ( event.RightDClick() )
5405     {
5406         row = YToRow(y);
5407         if ( row >= 0 &&
5408              !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, row, -1, event ) )
5409         {
5410             // no default action at the moment
5411         }
5412     }
5413
5414     // ------------ No buttons down and mouse moving
5415     //
5416     else if ( event.Moving() )
5417     {
5418         m_dragRowOrCol = YToEdgeOfRow( y );
5419         if ( m_dragRowOrCol >= 0 )
5420         {
5421             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5422             {
5423                 // don't capture the mouse yet
5424                 if ( CanDragRowSize() )
5425                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, m_rowLabelWin, false);
5426             }
5427         }
5428         else if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
5429         {
5430             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin, false);
5431         }
5432     }
5433 }
5434
5435 void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
5436 {
5437     int x, y, col;
5438     wxPoint pos( event.GetPosition() );
5439     CalcUnscrolledPosition( pos.x, pos.y, &x, &y );
5440
5441     if ( event.Dragging() )
5442     {
5443         if (!m_isDragging)
5444         {
5445             m_isDragging = true;
5446             m_colLabelWin->CaptureMouse();
5447
5448             if ( m_cursorMode == WXGRID_CURSOR_MOVE_COL )
5449                 m_dragRowOrCol = XToCol( x );
5450         }
5451
5452         if ( event.LeftIsDown() )
5453         {
5454             switch ( m_cursorMode )
5455             {
5456                 case WXGRID_CURSOR_RESIZE_COL:
5457                 {
5458                     int cw, ch, dummy, top;
5459                     m_gridWin->GetClientSize( &cw, &ch );
5460                     CalcUnscrolledPosition( 0, 0, &dummy, &top );
5461
5462                     wxClientDC dc( m_gridWin );
5463                     PrepareDC( dc );
5464
5465                     x = wxMax( x, GetColLeft(m_dragRowOrCol) +
5466                                   GetColMinimalWidth(m_dragRowOrCol));
5467                     dc.SetLogicalFunction(wxINVERT);
5468                     if ( m_dragLastPos >= 0 )
5469                     {
5470                         dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top + ch );
5471                     }
5472                     dc.DrawLine( x, top, x, top + ch );
5473                     m_dragLastPos = x;
5474                 }
5475                 break;
5476
5477                 case WXGRID_CURSOR_SELECT_COL:
5478                 {
5479                     if ( (col = XToCol( x )) >= 0 )
5480                     {
5481                         if ( m_selection )
5482                         {
5483                             m_selection->SelectCol( col,
5484                                                     event.ControlDown(),
5485                                                     event.ShiftDown(),
5486                                                     event.AltDown(),
5487                                                     event.MetaDown() );
5488                         }
5489                     }
5490                 }
5491                 break;
5492
5493                 case WXGRID_CURSOR_MOVE_COL:
5494                 {
5495                     if ( x < 0 )
5496                         m_moveToCol = GetColAt( 0 );
5497                     else
5498                         m_moveToCol = XToCol( x );
5499
5500                     int markerX;
5501
5502                     if ( m_moveToCol < 0 )
5503                         markerX = GetColRight( GetColAt( m_numCols - 1 ) );
5504                     else
5505                         markerX = GetColLeft( m_moveToCol );
5506
5507                     if ( markerX != m_dragLastPos )
5508                     {
5509                         wxClientDC dc( m_colLabelWin );
5510
5511                         int cw, ch;
5512                         m_colLabelWin->GetClientSize( &cw, &ch );
5513
5514                         markerX++;
5515
5516                         //Clean up the last indicator
5517                         if ( m_dragLastPos >= 0 )
5518                         {
5519                             wxPen pen( m_colLabelWin->GetBackgroundColour(), 2 );
5520                             dc.SetPen(pen);
5521                             dc.DrawLine( m_dragLastPos + 1, 0, m_dragLastPos + 1, ch );
5522                             dc.SetPen(wxNullPen);
5523
5524                             if ( XToCol( m_dragLastPos ) != -1 )
5525                                 DrawColLabel( dc, XToCol( m_dragLastPos ) );
5526                         }
5527
5528                         //Moving to the same place? Don't draw a marker
5529                         if ( (m_moveToCol == m_dragRowOrCol)
5530                           || (GetColPos( m_moveToCol ) == GetColPos( m_dragRowOrCol ) + 1)
5531                           || (m_moveToCol < 0 && m_dragRowOrCol == GetColAt( m_numCols - 1 )))
5532                         {
5533                             m_dragLastPos = -1;
5534                             return;
5535                         }
5536
5537                         //Draw the marker
5538                         wxPen pen( *wxBLUE, 2 );
5539                         dc.SetPen(pen);
5540
5541                         dc.DrawLine( markerX, 0, markerX, ch );
5542
5543                         dc.SetPen(wxNullPen);
5544
5545                         m_dragLastPos = markerX - 1;
5546                     }
5547                 }
5548                 break;
5549
5550                 // default label to suppress warnings about "enumeration value
5551                 // 'xxx' not handled in switch
5552                 default:
5553                     break;
5554             }
5555         }
5556         return;
5557     }
5558
5559     if ( m_isDragging && (event.Entering() || event.Leaving()) )
5560         return;
5561
5562     if (m_isDragging)
5563     {
5564         if (m_colLabelWin->HasCapture())
5565             m_colLabelWin->ReleaseMouse();
5566         m_isDragging = false;
5567     }
5568
5569     // ------------ Entering or leaving the window
5570     //
5571     if ( event.Entering() || event.Leaving() )
5572     {
5573         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin);
5574     }
5575
5576     // ------------ Left button pressed
5577     //
5578     else if ( event.LeftDown() )
5579     {
5580         // don't send a label click event for a hit on the
5581         // edge of the col label - this is probably the user
5582         // wanting to resize the col
5583         //
5584         if ( XToEdgeOfCol(x) < 0 )
5585         {
5586             col = XToCol(x);
5587             if ( col >= 0 &&
5588                  !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, -1, col, event ) )
5589             {
5590                 if ( m_canDragColMove )
5591                 {
5592                     //Show button as pressed
5593                     wxClientDC dc( m_colLabelWin );
5594                     int colLeft = GetColLeft( col );
5595                     int colRight = GetColRight( col ) - 1;
5596                     dc.SetPen( wxPen( m_colLabelWin->GetBackgroundColour(), 1 ) );
5597                     dc.DrawLine( colLeft, 1, colLeft, m_colLabelHeight-1 );
5598                     dc.DrawLine( colLeft, 1, colRight, 1 );
5599
5600                     ChangeCursorMode(WXGRID_CURSOR_MOVE_COL, m_colLabelWin);
5601                 }
5602                 else
5603                 {
5604                     if ( !event.ShiftDown() && !event.CmdDown() )
5605                         ClearSelection();
5606                     if ( m_selection )
5607                     {
5608                         if ( event.ShiftDown() )
5609                         {
5610                             m_selection->SelectBlock( 0,
5611                                                       m_currentCellCoords.GetCol(),
5612                                                       GetNumberRows() - 1, col,
5613                                                       event.ControlDown(),
5614                                                       event.ShiftDown(),
5615                                                       event.AltDown(),
5616                                                       event.MetaDown() );
5617                         }
5618                         else
5619                         {
5620                             m_selection->SelectCol( col,
5621                                                     event.ControlDown(),
5622                                                     event.ShiftDown(),
5623                                                     event.AltDown(),
5624                                                     event.MetaDown() );
5625                         }
5626                     }
5627
5628                     ChangeCursorMode(WXGRID_CURSOR_SELECT_COL, m_colLabelWin);
5629                 }
5630             }
5631         }
5632         else
5633         {
5634             // starting to drag-resize a col
5635             //
5636             if ( CanDragColSize() )
5637                 ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, m_colLabelWin);
5638         }
5639     }
5640
5641     // ------------ Left double click
5642     //
5643     if ( event.LeftDClick() )
5644     {
5645         col = XToEdgeOfCol(x);
5646         if ( col < 0 )
5647         {
5648             col = XToCol(x);
5649             if ( col >= 0 &&
5650                  ! SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, -1, col, event ) )
5651             {
5652                 // no default action at the moment
5653             }
5654         }
5655         else
5656         {
5657             // adjust column width depending on label text
5658             AutoSizeColLabelSize( col );
5659
5660             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin);
5661             m_dragLastPos = -1;
5662         }
5663     }
5664
5665     // ------------ Left button released
5666     //
5667     else if ( event.LeftUp() )
5668     {
5669         switch ( m_cursorMode )
5670         {
5671             case WXGRID_CURSOR_RESIZE_COL:
5672                 DoEndDragResizeCol();
5673
5674                 // Note: we are ending the event *after* doing
5675                 // default processing in this case
5676                 //
5677                 SendEvent( wxEVT_GRID_COL_SIZE, -1, m_dragRowOrCol, event );
5678                 break;
5679
5680             case WXGRID_CURSOR_MOVE_COL:
5681                 DoEndDragMoveCol();
5682
5683                 SendEvent( wxEVT_GRID_COL_MOVE, -1, m_dragRowOrCol, event );
5684                 break;
5685
5686             case WXGRID_CURSOR_SELECT_COL:
5687             case WXGRID_CURSOR_SELECT_CELL:
5688             case WXGRID_CURSOR_RESIZE_ROW:
5689             case WXGRID_CURSOR_SELECT_ROW:
5690                 // nothing to do (?)
5691                 break;
5692         }
5693
5694         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin);
5695         m_dragLastPos = -1;
5696     }
5697
5698     // ------------ Right button down
5699     //
5700     else if ( event.RightDown() )
5701     {
5702         col = XToCol(x);
5703         if ( col >= 0 &&
5704              !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, -1, col, event ) )
5705         {
5706             // no default action at the moment
5707         }
5708     }
5709
5710     // ------------ Right double click
5711     //
5712     else if ( event.RightDClick() )
5713     {
5714         col = XToCol(x);
5715         if ( col >= 0 &&
5716              !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, -1, col, event ) )
5717         {
5718             // no default action at the moment
5719         }
5720     }
5721
5722     // ------------ No buttons down and mouse moving
5723     //
5724     else if ( event.Moving() )
5725     {
5726         m_dragRowOrCol = XToEdgeOfCol( x );
5727         if ( m_dragRowOrCol >= 0 )
5728         {
5729             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5730             {
5731                 // don't capture the cursor yet
5732                 if ( CanDragColSize() )
5733                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, m_colLabelWin, false);
5734             }
5735         }
5736         else if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
5737         {
5738             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin, false);
5739         }
5740     }
5741 }
5742
5743 void wxGrid::ProcessCornerLabelMouseEvent( wxMouseEvent& event )
5744 {
5745     if ( event.LeftDown() )
5746     {
5747         // indicate corner label by having both row and
5748         // col args == -1
5749         //
5750         if ( !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, -1, -1, event ) )
5751         {
5752             SelectAll();
5753         }
5754     }
5755     else if ( event.LeftDClick() )
5756     {
5757         SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, -1, -1, event );
5758     }
5759     else if ( event.RightDown() )
5760     {
5761         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, -1, -1, event ) )
5762         {
5763             // no default action at the moment
5764         }
5765     }
5766     else if ( event.RightDClick() )
5767     {
5768         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, -1, -1, event ) )
5769         {
5770             // no default action at the moment
5771         }
5772     }
5773 }
5774
5775 void wxGrid::ChangeCursorMode(CursorMode mode,
5776                               wxWindow *win,
5777                               bool captureMouse)
5778 {
5779 #ifdef __WXDEBUG__
5780     static const wxChar *cursorModes[] =
5781     {
5782         _T("SELECT_CELL"),
5783         _T("RESIZE_ROW"),
5784         _T("RESIZE_COL"),
5785         _T("SELECT_ROW"),
5786         _T("SELECT_COL"),
5787         _T("MOVE_COL"),
5788     };
5789
5790     wxLogTrace(_T("grid"),
5791                _T("wxGrid cursor mode (mouse capture for %s): %s -> %s"),
5792                win == m_colLabelWin ? _T("colLabelWin")
5793                                     : win ? _T("rowLabelWin")
5794                                           : _T("gridWin"),
5795                cursorModes[m_cursorMode], cursorModes[mode]);
5796 #endif
5797
5798     if ( mode == m_cursorMode &&
5799          win == m_winCapture &&
5800          captureMouse == (m_winCapture != NULL))
5801         return;
5802
5803     if ( !win )
5804     {
5805         // by default use the grid itself
5806         win = m_gridWin;
5807     }
5808
5809     if ( m_winCapture )
5810     {
5811         if (m_winCapture->HasCapture())
5812             m_winCapture->ReleaseMouse();
5813         m_winCapture = (wxWindow *)NULL;
5814     }
5815
5816     m_cursorMode = mode;
5817
5818     switch ( m_cursorMode )
5819     {
5820         case WXGRID_CURSOR_RESIZE_ROW:
5821             win->SetCursor( m_rowResizeCursor );
5822             break;
5823
5824         case WXGRID_CURSOR_RESIZE_COL:
5825             win->SetCursor( m_colResizeCursor );
5826             break;
5827
5828         case WXGRID_CURSOR_MOVE_COL:
5829             win->SetCursor( wxCursor(wxCURSOR_HAND) );
5830             break;
5831
5832         default:
5833             win->SetCursor( *wxSTANDARD_CURSOR );
5834             break;
5835     }
5836
5837     // we need to capture mouse when resizing
5838     bool resize = m_cursorMode == WXGRID_CURSOR_RESIZE_ROW ||
5839                   m_cursorMode == WXGRID_CURSOR_RESIZE_COL;
5840
5841     if ( captureMouse && resize )
5842     {
5843         win->CaptureMouse();
5844         m_winCapture = win;
5845     }
5846 }
5847
5848 void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
5849 {
5850     int x, y;
5851     wxPoint pos( event.GetPosition() );
5852     CalcUnscrolledPosition( pos.x, pos.y, &x, &y );
5853
5854     wxGridCellCoords coords;
5855     XYToCell( x, y, coords );
5856
5857     int cell_rows, cell_cols;
5858     bool isFirstDrag = !m_isDragging;
5859     GetCellSize( coords.GetRow(), coords.GetCol(), &cell_rows, &cell_cols );
5860     if ((cell_rows < 0) || (cell_cols < 0))
5861     {
5862         coords.SetRow(coords.GetRow() + cell_rows);
5863         coords.SetCol(coords.GetCol() + cell_cols);
5864     }
5865
5866     if ( event.Dragging() )
5867     {
5868         //wxLogDebug("pos(%d, %d) coords(%d, %d)", pos.x, pos.y, coords.GetRow(), coords.GetCol());
5869
5870         // Don't start doing anything until the mouse has been dragged at
5871         // least 3 pixels in any direction...
5872         if (! m_isDragging)
5873         {
5874             if (m_startDragPos == wxDefaultPosition)
5875             {
5876                 m_startDragPos = pos;
5877                 return;
5878             }
5879             if (abs(m_startDragPos.x - pos.x) < 4 && abs(m_startDragPos.y - pos.y) < 4)
5880                 return;
5881         }
5882
5883         m_isDragging = true;
5884         if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5885         {
5886             // Hide the edit control, so it
5887             // won't interfere with drag-shrinking.
5888             if ( IsCellEditControlShown() )
5889             {
5890                 HideCellEditControl();
5891                 SaveEditControlValue();
5892             }
5893
5894             // Have we captured the mouse yet?
5895             if (! m_winCapture)
5896             {
5897                 m_winCapture = m_gridWin;
5898                 m_winCapture->CaptureMouse();
5899             }
5900
5901             if ( coords != wxGridNoCellCoords )
5902             {
5903                 if ( event.CmdDown() )
5904                 {
5905                     if ( m_selectingKeyboard == wxGridNoCellCoords)
5906                         m_selectingKeyboard = coords;
5907                     HighlightBlock( m_selectingKeyboard, coords );
5908                 }
5909                 else if ( CanDragCell() )
5910                 {
5911                     if ( isFirstDrag )
5912                     {
5913                         if ( m_selectingKeyboard == wxGridNoCellCoords)
5914                             m_selectingKeyboard = coords;
5915
5916                         SendEvent( wxEVT_GRID_CELL_BEGIN_DRAG,
5917                                    coords.GetRow(),
5918                                    coords.GetCol(),
5919                                    event );
5920                     }
5921                 }
5922                 else
5923                 {
5924                     if ( !IsSelection() )
5925                     {
5926                         HighlightBlock( coords, coords );
5927                     }
5928                     else
5929                     {
5930                         HighlightBlock( m_currentCellCoords, coords );
5931                     }
5932                 }
5933
5934                 if (! IsVisible(coords))
5935                 {
5936                     MakeCellVisible(coords);
5937                     // TODO: need to introduce a delay or something here.  The
5938                     // scrolling is way to fast, at least on MSW - also on GTK.
5939                 }
5940             }
5941         }
5942         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
5943         {
5944             int cw, ch, left, dummy;
5945             m_gridWin->GetClientSize( &cw, &ch );
5946             CalcUnscrolledPosition( 0, 0, &left, &dummy );
5947
5948             wxClientDC dc( m_gridWin );
5949             PrepareDC( dc );
5950             y = wxMax( y, GetRowTop(m_dragRowOrCol) +
5951                           GetRowMinimalHeight(m_dragRowOrCol) );
5952             dc.SetLogicalFunction(wxINVERT);
5953             if ( m_dragLastPos >= 0 )
5954             {
5955                 dc.DrawLine( left, m_dragLastPos, left+cw, m_dragLastPos );
5956             }
5957             dc.DrawLine( left, y, left+cw, y );
5958             m_dragLastPos = y;
5959         }
5960         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL )
5961         {
5962             int cw, ch, dummy, top;
5963             m_gridWin->GetClientSize( &cw, &ch );
5964             CalcUnscrolledPosition( 0, 0, &dummy, &top );
5965
5966             wxClientDC dc( m_gridWin );
5967             PrepareDC( dc );
5968             x = wxMax( x, GetColLeft(m_dragRowOrCol) +
5969                           GetColMinimalWidth(m_dragRowOrCol) );
5970             dc.SetLogicalFunction(wxINVERT);
5971             if ( m_dragLastPos >= 0 )
5972             {
5973                 dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top + ch );
5974             }
5975             dc.DrawLine( x, top, x, top + ch );
5976             m_dragLastPos = x;
5977         }
5978
5979         return;
5980     }
5981
5982     m_isDragging = false;
5983     m_startDragPos = wxDefaultPosition;
5984
5985     // VZ: if we do this, the mode is reset to WXGRID_CURSOR_SELECT_CELL
5986     //     immediately after it becomes WXGRID_CURSOR_RESIZE_ROW/COL under
5987     //     wxGTK
5988 #if 0
5989     if ( event.Entering() || event.Leaving() )
5990     {
5991         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5992         m_gridWin->SetCursor( *wxSTANDARD_CURSOR );
5993     }
5994     else
5995 #endif // 0
5996
5997     // ------------ Left button pressed
5998     //
5999     if ( event.LeftDown() && coords != wxGridNoCellCoords )
6000     {
6001         if ( !SendEvent( wxEVT_GRID_CELL_LEFT_CLICK,
6002                        coords.GetRow(),
6003                        coords.GetCol(),
6004                        event ) )
6005         {
6006             if ( !event.CmdDown() )
6007                 ClearSelection();
6008             if ( event.ShiftDown() )
6009             {
6010                 if ( m_selection )
6011                 {
6012                     m_selection->SelectBlock( m_currentCellCoords.GetRow(),
6013                                               m_currentCellCoords.GetCol(),
6014                                               coords.GetRow(),
6015                                               coords.GetCol(),
6016                                               event.ControlDown(),
6017                                               event.ShiftDown(),
6018                                               event.AltDown(),
6019                                               event.MetaDown() );
6020                 }
6021             }
6022             else if ( XToEdgeOfCol(x) < 0 &&
6023                       YToEdgeOfRow(y) < 0 )
6024             {
6025                 DisableCellEditControl();
6026                 MakeCellVisible( coords );
6027
6028                 if ( event.CmdDown() )
6029                 {
6030                     if ( m_selection )
6031                     {
6032                         m_selection->ToggleCellSelection( coords.GetRow(),
6033                                                           coords.GetCol(),
6034                                                           event.ControlDown(),
6035                                                           event.ShiftDown(),
6036                                                           event.AltDown(),
6037                                                           event.MetaDown() );
6038                     }
6039                     m_selectingTopLeft = wxGridNoCellCoords;
6040                     m_selectingBottomRight = wxGridNoCellCoords;
6041                     m_selectingKeyboard = coords;
6042                 }
6043                 else
6044                 {
6045                     m_waitForSlowClick = m_currentCellCoords == coords && coords != wxGridNoCellCoords;
6046                     SetCurrentCell( coords );
6047                     if ( m_selection )
6048                     {
6049                         if ( m_selection->GetSelectionMode() !=
6050                                 wxGrid::wxGridSelectCells )
6051                         {
6052                             HighlightBlock( coords, coords );
6053                         }
6054                     }
6055                 }
6056             }
6057         }
6058     }
6059
6060     // ------------ Left double click
6061     //
6062     else if ( event.LeftDClick() && coords != wxGridNoCellCoords )
6063     {
6064         DisableCellEditControl();
6065
6066         if ( XToEdgeOfCol(x) < 0 && YToEdgeOfRow(y) < 0 )
6067         {
6068             if ( !SendEvent( wxEVT_GRID_CELL_LEFT_DCLICK,
6069                              coords.GetRow(),
6070                              coords.GetCol(),
6071                              event ) )
6072             {
6073                 // we want double click to select a cell and start editing
6074                 // (i.e. to behave in same way as sequence of two slow clicks):
6075                 m_waitForSlowClick = true;
6076             }
6077         }
6078     }
6079
6080     // ------------ Left button released
6081     //
6082     else if ( event.LeftUp() )
6083     {
6084         if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
6085         {
6086             if (m_winCapture)
6087             {
6088                 if (m_winCapture->HasCapture())
6089                     m_winCapture->ReleaseMouse();
6090                 m_winCapture = NULL;
6091             }
6092
6093             if ( coords == m_currentCellCoords && m_waitForSlowClick && CanEnableCellControl() )
6094             {
6095                 ClearSelection();
6096                 EnableCellEditControl();
6097
6098                 wxGridCellAttr *attr = GetCellAttr(coords);
6099                 wxGridCellEditor *editor = attr->GetEditor(this, coords.GetRow(), coords.GetCol());
6100                 editor->StartingClick();
6101                 editor->DecRef();
6102                 attr->DecRef();
6103
6104                 m_waitForSlowClick = false;
6105             }
6106             else if ( m_selectingTopLeft != wxGridNoCellCoords &&
6107                  m_selectingBottomRight != wxGridNoCellCoords )
6108             {
6109                 if ( m_selection )
6110                 {
6111                     m_selection->SelectBlock( m_selectingTopLeft.GetRow(),
6112                                               m_selectingTopLeft.GetCol(),
6113                                               m_selectingBottomRight.GetRow(),
6114                                               m_selectingBottomRight.GetCol(),
6115                                               event.ControlDown(),
6116                                               event.ShiftDown(),
6117                                               event.AltDown(),
6118                                               event.MetaDown() );
6119                 }
6120
6121                 m_selectingTopLeft = wxGridNoCellCoords;
6122                 m_selectingBottomRight = wxGridNoCellCoords;
6123
6124                 // Show the edit control, if it has been hidden for
6125                 // drag-shrinking.
6126                 ShowCellEditControl();
6127             }
6128         }
6129         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
6130         {
6131             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
6132             DoEndDragResizeRow();
6133
6134             // Note: we are ending the event *after* doing
6135             // default processing in this case
6136             //
6137             SendEvent( wxEVT_GRID_ROW_SIZE, m_dragRowOrCol, -1, event );
6138         }
6139         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL )
6140         {
6141             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
6142             DoEndDragResizeCol();
6143
6144             // Note: we are ending the event *after* doing
6145             // default processing in this case
6146             //
6147             SendEvent( wxEVT_GRID_COL_SIZE, -1, m_dragRowOrCol, event );
6148         }
6149
6150         m_dragLastPos = -1;
6151     }
6152
6153     // ------------ Right button down
6154     //
6155     else if ( event.RightDown() && coords != wxGridNoCellCoords )
6156     {
6157         DisableCellEditControl();
6158         if ( !SendEvent( wxEVT_GRID_CELL_RIGHT_CLICK,
6159                          coords.GetRow(),
6160                          coords.GetCol(),
6161                          event ) )
6162         {
6163             // no default action at the moment
6164         }
6165     }
6166
6167     // ------------ Right double click
6168     //
6169     else if ( event.RightDClick() && coords != wxGridNoCellCoords )
6170     {
6171         DisableCellEditControl();
6172         if ( !SendEvent( wxEVT_GRID_CELL_RIGHT_DCLICK,
6173                          coords.GetRow(),
6174                          coords.GetCol(),
6175                          event ) )
6176         {
6177             // no default action at the moment
6178         }
6179     }
6180
6181     // ------------ Moving and no button action
6182     //
6183     else if ( event.Moving() && !event.IsButton() )
6184     {
6185         if ( coords.GetRow() < 0 || coords.GetCol() < 0 )
6186         {
6187             // out of grid cell area
6188             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
6189             return;
6190         }
6191
6192         int dragRow = YToEdgeOfRow( y );
6193         int dragCol = XToEdgeOfCol( x );
6194
6195         // Dragging on the corner of a cell to resize in both
6196         // directions is not implemented yet...
6197         //
6198         if ( dragRow >= 0 && dragCol >= 0 )
6199         {
6200             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
6201             return;
6202         }
6203
6204         if ( dragRow >= 0 )
6205         {
6206             m_dragRowOrCol = dragRow;
6207
6208             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
6209             {
6210                 if ( CanDragRowSize() && CanDragGridSize() )
6211                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW);
6212             }
6213         }
6214         else if ( dragCol >= 0 )
6215         {
6216             m_dragRowOrCol = dragCol;
6217
6218             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
6219             {
6220                 if ( CanDragColSize() && CanDragGridSize() )
6221                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL);
6222             }
6223         }
6224         else // Neither on a row or col edge
6225         {
6226             if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
6227             {
6228                 ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
6229             }
6230         }
6231     }
6232 }
6233
6234 void wxGrid::DoEndDragResizeRow()
6235 {
6236     if ( m_dragLastPos >= 0 )
6237     {
6238         // erase the last line and resize the row
6239         //
6240         int cw, ch, left, dummy;
6241         m_gridWin->GetClientSize( &cw, &ch );
6242         CalcUnscrolledPosition( 0, 0, &left, &dummy );
6243
6244         wxClientDC dc( m_gridWin );
6245         PrepareDC( dc );
6246         dc.SetLogicalFunction( wxINVERT );
6247         dc.DrawLine( left, m_dragLastPos, left + cw, m_dragLastPos );
6248         HideCellEditControl();
6249         SaveEditControlValue();
6250
6251         int rowTop = GetRowTop(m_dragRowOrCol);
6252         SetRowSize( m_dragRowOrCol,
6253                     wxMax( m_dragLastPos - rowTop, m_minAcceptableRowHeight ) );
6254
6255         if ( !GetBatchCount() )
6256         {
6257             // Only needed to get the correct rect.y:
6258             wxRect rect ( CellToRect( m_dragRowOrCol, 0 ) );
6259             rect.x = 0;
6260             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
6261             rect.width = m_rowLabelWidth;
6262             rect.height = ch - rect.y;
6263             m_rowLabelWin->Refresh( true, &rect );
6264             rect.width = cw;
6265
6266             // if there is a multicell block, paint all of it
6267             if (m_table)
6268             {
6269                 int i, cell_rows, cell_cols, subtract_rows = 0;
6270                 int leftCol = XToCol(left);
6271                 int rightCol = internalXToCol(left + cw);
6272                 if (leftCol >= 0)
6273                 {
6274                     for (i=leftCol; i<rightCol; i++)
6275                     {
6276                         GetCellSize(m_dragRowOrCol, i, &cell_rows, &cell_cols);
6277                         if (cell_rows < subtract_rows)
6278                             subtract_rows = cell_rows;
6279                     }
6280                     rect.y = GetRowTop(m_dragRowOrCol + subtract_rows);
6281                     CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
6282                     rect.height = ch - rect.y;
6283                 }
6284             }
6285             m_gridWin->Refresh( false, &rect );
6286         }
6287
6288         ShowCellEditControl();
6289     }
6290 }
6291
6292
6293 void wxGrid::DoEndDragResizeCol()
6294 {
6295     if ( m_dragLastPos >= 0 )
6296     {
6297         // erase the last line and resize the col
6298         //
6299         int cw, ch, dummy, top;
6300         m_gridWin->GetClientSize( &cw, &ch );
6301         CalcUnscrolledPosition( 0, 0, &dummy, &top );
6302
6303         wxClientDC dc( m_gridWin );
6304         PrepareDC( dc );
6305         dc.SetLogicalFunction( wxINVERT );
6306         dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top + ch );
6307         HideCellEditControl();
6308         SaveEditControlValue();
6309
6310         int colLeft = GetColLeft(m_dragRowOrCol);
6311         SetColSize( m_dragRowOrCol,
6312                     wxMax( m_dragLastPos - colLeft,
6313                            GetColMinimalWidth(m_dragRowOrCol) ) );
6314
6315         if ( !GetBatchCount() )
6316         {
6317             // Only needed to get the correct rect.x:
6318             wxRect rect ( CellToRect( 0, m_dragRowOrCol ) );
6319             rect.y = 0;
6320             CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
6321             rect.width = cw - rect.x;
6322             rect.height = m_colLabelHeight;
6323             m_colLabelWin->Refresh( true, &rect );
6324             rect.height = ch;
6325
6326             // if there is a multicell block, paint all of it
6327             if (m_table)
6328             {
6329                 int i, cell_rows, cell_cols, subtract_cols = 0;
6330                 int topRow = YToRow(top);
6331                 int bottomRow = internalYToRow(top + cw);
6332                 if (topRow >= 0)
6333                 {
6334                     for (i=topRow; i<bottomRow; i++)
6335                     {
6336                         GetCellSize(i, m_dragRowOrCol, &cell_rows, &cell_cols);
6337                         if (cell_cols < subtract_cols)
6338                             subtract_cols = cell_cols;
6339                     }
6340
6341                     rect.x = GetColLeft(m_dragRowOrCol + subtract_cols);
6342                     CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
6343                     rect.width = cw - rect.x;
6344                 }
6345             }
6346
6347             m_gridWin->Refresh( false, &rect );
6348         }
6349
6350         ShowCellEditControl();
6351     }
6352 }
6353
6354 void wxGrid::DoEndDragMoveCol()
6355 {
6356     //The user clicked on the column but didn't actually drag
6357     if ( m_dragLastPos < 0 )
6358     {
6359         m_colLabelWin->Refresh();   //Do this to "unpress" the column
6360         return;
6361     }
6362
6363     int newPos;
6364     if ( m_moveToCol == -1 )
6365         newPos = m_numCols - 1;
6366     else
6367     {
6368         newPos = GetColPos( m_moveToCol );
6369         if ( newPos > GetColPos( m_dragRowOrCol ) )
6370             newPos--;
6371     }
6372
6373     SetColPos( m_dragRowOrCol, newPos );
6374 }
6375
6376 void wxGrid::SetColPos( int colID, int newPos )
6377 {
6378     if ( m_colAt.IsEmpty() )
6379     {
6380         m_colAt.Alloc( m_numCols );
6381
6382         int i;
6383         for ( i = 0; i < m_numCols; i++ )
6384         {
6385             m_colAt.Add( i );
6386         }
6387     }
6388
6389     int oldPos = GetColPos( colID );
6390
6391     //Reshuffle the m_colAt array
6392     if ( newPos > oldPos )
6393     {
6394         int i;
6395         for ( i = oldPos; i < newPos; i++ )
6396         {
6397             m_colAt[i] = m_colAt[i+1];
6398         }
6399     }
6400     else
6401     {
6402         int i;
6403         for ( i = oldPos; i > newPos; i-- )
6404         {
6405             m_colAt[i] = m_colAt[i-1];
6406         }
6407     }
6408
6409     m_colAt[newPos] = colID;
6410
6411     //Recalculate the column rights
6412     if ( !m_colWidths.IsEmpty() )
6413     {
6414         int colRight = 0;
6415         int colPos;
6416         for ( colPos = 0; colPos < m_numCols; colPos++ )
6417         {
6418             int colID = GetColAt( colPos );
6419
6420             colRight += m_colWidths[colID];
6421             m_colRights[colID] = colRight;
6422         }
6423     }
6424
6425     m_colLabelWin->Refresh();
6426     m_gridWin->Refresh();
6427 }
6428
6429
6430
6431 void wxGrid::EnableDragColMove( bool enable )
6432 {
6433     if ( m_canDragColMove == enable )
6434         return;
6435
6436     m_canDragColMove = enable;
6437
6438     if ( !m_canDragColMove )
6439     {
6440         m_colAt.Clear();
6441
6442         //Recalculate the column rights
6443         if ( !m_colWidths.IsEmpty() )
6444         {
6445             int colRight = 0;
6446             int colPos;
6447             for ( colPos = 0; colPos < m_numCols; colPos++ )
6448             {
6449                 colRight += m_colWidths[colPos];
6450                 m_colRights[colPos] = colRight;
6451             }
6452         }
6453
6454         m_colLabelWin->Refresh();
6455         m_gridWin->Refresh();
6456     }
6457 }
6458
6459
6460 //
6461 // ------ interaction with data model
6462 //
6463 bool wxGrid::ProcessTableMessage( wxGridTableMessage& msg )
6464 {
6465     switch ( msg.GetId() )
6466     {
6467         case wxGRIDTABLE_REQUEST_VIEW_GET_VALUES:
6468             return GetModelValues();
6469
6470         case wxGRIDTABLE_REQUEST_VIEW_SEND_VALUES:
6471             return SetModelValues();
6472
6473         case wxGRIDTABLE_NOTIFY_ROWS_INSERTED:
6474         case wxGRIDTABLE_NOTIFY_ROWS_APPENDED:
6475         case wxGRIDTABLE_NOTIFY_ROWS_DELETED:
6476         case wxGRIDTABLE_NOTIFY_COLS_INSERTED:
6477         case wxGRIDTABLE_NOTIFY_COLS_APPENDED:
6478         case wxGRIDTABLE_NOTIFY_COLS_DELETED:
6479             return Redimension( msg );
6480
6481         default:
6482             return false;
6483     }
6484 }
6485
6486 // The behaviour of this function depends on the grid table class
6487 // Clear() function. For the default wxGridStringTable class the
6488 // behavious is to replace all cell contents with wxEmptyString but
6489 // not to change the number of rows or cols.
6490 //
6491 void wxGrid::ClearGrid()
6492 {
6493     if ( m_table )
6494     {
6495         if (IsCellEditControlEnabled())
6496             DisableCellEditControl();
6497
6498         m_table->Clear();
6499         if (!GetBatchCount())
6500             m_gridWin->Refresh();
6501     }
6502 }
6503
6504 bool wxGrid::InsertRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
6505 {
6506     // TODO: something with updateLabels flag
6507
6508     if ( !m_created )
6509     {
6510         wxFAIL_MSG( wxT("Called wxGrid::InsertRows() before calling CreateGrid()") );
6511         return false;
6512     }
6513
6514     if ( m_table )
6515     {
6516         if (IsCellEditControlEnabled())
6517             DisableCellEditControl();
6518
6519         bool done = m_table->InsertRows( pos, numRows );
6520         return done;
6521
6522         // the table will have sent the results of the insert row
6523         // operation to this view object as a grid table message
6524     }
6525
6526     return false;
6527 }
6528
6529 bool wxGrid::AppendRows( int numRows, bool WXUNUSED(updateLabels) )
6530 {
6531     // TODO: something with updateLabels flag
6532
6533     if ( !m_created )
6534     {
6535         wxFAIL_MSG( wxT("Called wxGrid::AppendRows() before calling CreateGrid()") );
6536         return false;
6537     }
6538
6539     if ( m_table )
6540     {
6541         bool done = m_table && m_table->AppendRows( numRows );
6542         return done;
6543
6544         // the table will have sent the results of the append row
6545         // operation to this view object as a grid table message
6546     }
6547
6548     return false;
6549 }
6550
6551 bool wxGrid::DeleteRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
6552 {
6553     // TODO: something with updateLabels flag
6554
6555     if ( !m_created )
6556     {
6557         wxFAIL_MSG( wxT("Called wxGrid::DeleteRows() before calling CreateGrid()") );
6558         return false;
6559     }
6560
6561     if ( m_table )
6562     {
6563         if (IsCellEditControlEnabled())
6564             DisableCellEditControl();
6565
6566         bool done = m_table->DeleteRows( pos, numRows );
6567         return done;
6568         // the table will have sent the results of the delete row
6569         // operation to this view object as a grid table message
6570     }
6571
6572     return false;
6573 }
6574
6575 bool wxGrid::InsertCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
6576 {
6577     // TODO: something with updateLabels flag
6578
6579     if ( !m_created )
6580     {
6581         wxFAIL_MSG( wxT("Called wxGrid::InsertCols() before calling CreateGrid()") );
6582         return false;
6583     }
6584
6585     if ( m_table )
6586     {
6587         if (IsCellEditControlEnabled())
6588             DisableCellEditControl();
6589
6590         bool done = m_table->InsertCols( pos, numCols );
6591         return done;
6592         // the table will have sent the results of the insert col
6593         // operation to this view object as a grid table message
6594     }
6595
6596     return false;
6597 }
6598
6599 bool wxGrid::AppendCols( int numCols, bool WXUNUSED(updateLabels) )
6600 {
6601     // TODO: something with updateLabels flag
6602
6603     if ( !m_created )
6604     {
6605         wxFAIL_MSG( wxT("Called wxGrid::AppendCols() before calling CreateGrid()") );
6606         return false;
6607     }
6608
6609     if ( m_table )
6610     {
6611         bool done = m_table->AppendCols( numCols );
6612         return done;
6613         // the table will have sent the results of the append col
6614         // operation to this view object as a grid table message
6615     }
6616
6617     return false;
6618 }
6619
6620 bool wxGrid::DeleteCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
6621 {
6622     // TODO: something with updateLabels flag
6623
6624     if ( !m_created )
6625     {
6626         wxFAIL_MSG( wxT("Called wxGrid::DeleteCols() before calling CreateGrid()") );
6627         return false;
6628     }
6629
6630     if ( m_table )
6631     {
6632         if (IsCellEditControlEnabled())
6633             DisableCellEditControl();
6634
6635         bool done = m_table->DeleteCols( pos, numCols );
6636         return done;
6637         // the table will have sent the results of the delete col
6638         // operation to this view object as a grid table message
6639     }
6640
6641     return false;
6642 }
6643
6644 //
6645 // ----- event handlers
6646 //
6647
6648 // Generate a grid event based on a mouse event and
6649 // return the result of ProcessEvent()
6650 //
6651 int wxGrid::SendEvent( const wxEventType type,
6652                         int row, int col,
6653                         wxMouseEvent& mouseEv )
6654 {
6655    bool claimed, vetoed;
6656
6657    if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE )
6658    {
6659        int rowOrCol = (row == -1 ? col : row);
6660
6661        wxGridSizeEvent gridEvt( GetId(),
6662                type,
6663                this,
6664                rowOrCol,
6665                mouseEv.GetX() + GetRowLabelSize(),
6666                mouseEv.GetY() + GetColLabelSize(),
6667                mouseEv.ControlDown(),
6668                mouseEv.ShiftDown(),
6669                mouseEv.AltDown(),
6670                mouseEv.MetaDown() );
6671
6672        claimed = GetEventHandler()->ProcessEvent(gridEvt);
6673        vetoed = !gridEvt.IsAllowed();
6674    }
6675    else if ( type == wxEVT_GRID_RANGE_SELECT )
6676    {
6677        // Right now, it should _never_ end up here!
6678        wxGridRangeSelectEvent gridEvt( GetId(),
6679                type,
6680                this,
6681                m_selectingTopLeft,
6682                m_selectingBottomRight,
6683                true,
6684                mouseEv.ControlDown(),
6685                mouseEv.ShiftDown(),
6686                mouseEv.AltDown(),
6687                mouseEv.MetaDown() );
6688
6689        claimed = GetEventHandler()->ProcessEvent(gridEvt);
6690        vetoed = !gridEvt.IsAllowed();
6691    }
6692    else if ( type == wxEVT_GRID_LABEL_LEFT_CLICK ||
6693              type == wxEVT_GRID_LABEL_LEFT_DCLICK ||
6694              type == wxEVT_GRID_LABEL_RIGHT_CLICK ||
6695              type == wxEVT_GRID_LABEL_RIGHT_DCLICK )
6696    {
6697        wxPoint pos = mouseEv.GetPosition();
6698
6699        if ( mouseEv.GetEventObject() == GetGridRowLabelWindow() )
6700            pos.y += GetColLabelSize();
6701        if ( mouseEv.GetEventObject() == GetGridColLabelWindow() )
6702            pos.x += GetRowLabelSize();
6703
6704        wxGridEvent gridEvt( GetId(),
6705                type,
6706                this,
6707                row, col,
6708                pos.x,
6709                pos.y,
6710                false,
6711                mouseEv.ControlDown(),
6712                mouseEv.ShiftDown(),
6713                mouseEv.AltDown(),
6714                mouseEv.MetaDown() );
6715        claimed = GetEventHandler()->ProcessEvent(gridEvt);
6716        vetoed = !gridEvt.IsAllowed();
6717    }
6718    else
6719    {
6720        wxGridEvent gridEvt( GetId(),
6721                type,
6722                this,
6723                row, col,
6724                mouseEv.GetX() + GetRowLabelSize(),
6725                mouseEv.GetY() + GetColLabelSize(),
6726                false,
6727                mouseEv.ControlDown(),
6728                mouseEv.ShiftDown(),
6729                mouseEv.AltDown(),
6730                mouseEv.MetaDown() );
6731        claimed = GetEventHandler()->ProcessEvent(gridEvt);
6732        vetoed = !gridEvt.IsAllowed();
6733    }
6734
6735    // A Veto'd event may not be `claimed' so test this first
6736    if (vetoed)
6737        return -1;
6738
6739    return claimed ? 1 : 0;
6740 }
6741
6742 // Generate a grid event of specified type and return the result
6743 // of ProcessEvent().
6744 //
6745 int wxGrid::SendEvent( const wxEventType type,
6746                         int row, int col )
6747 {
6748    bool claimed, vetoed;
6749
6750     if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE )
6751     {
6752         int rowOrCol = (row == -1 ? col : row);
6753
6754         wxGridSizeEvent gridEvt( GetId(), type, this, rowOrCol );
6755
6756         claimed = GetEventHandler()->ProcessEvent(gridEvt);
6757         vetoed  = !gridEvt.IsAllowed();
6758     }
6759     else
6760     {
6761         wxGridEvent gridEvt( GetId(), type, this, row, col );
6762
6763         claimed = GetEventHandler()->ProcessEvent(gridEvt);
6764         vetoed  = !gridEvt.IsAllowed();
6765      }
6766
6767     // A Veto'd event may not be `claimed' so test this first
6768     if (vetoed)
6769         return -1;
6770
6771     return claimed ? 1 : 0;
6772 }
6773
6774 void wxGrid::OnPaint( wxPaintEvent& WXUNUSED(event) )
6775 {
6776     // needed to prevent zillions of paint events on MSW
6777     wxPaintDC dc(this);
6778 }
6779
6780 void wxGrid::Refresh(bool eraseb, const wxRect* rect)
6781 {
6782     // Don't do anything if between Begin/EndBatch...
6783     // EndBatch() will do all this on the last nested one anyway.
6784     if (! GetBatchCount())
6785     {
6786         // Refresh to get correct scrolled position:
6787         wxScrolledWindow::Refresh(eraseb, rect);
6788
6789         if (rect)
6790         {
6791             int rect_x, rect_y, rectWidth, rectHeight;
6792             int width_label, width_cell, height_label, height_cell;
6793             int x, y;
6794
6795             // Copy rectangle can get scroll offsets..
6796             rect_x = rect->GetX();
6797             rect_y = rect->GetY();
6798             rectWidth = rect->GetWidth();
6799             rectHeight = rect->GetHeight();
6800
6801             width_label = m_rowLabelWidth - rect_x;
6802             if (width_label > rectWidth)
6803                 width_label = rectWidth;
6804
6805             height_label = m_colLabelHeight - rect_y;
6806             if (height_label > rectHeight)
6807                 height_label = rectHeight;
6808
6809             if (rect_x > m_rowLabelWidth)
6810             {
6811                 x = rect_x - m_rowLabelWidth;
6812                 width_cell = rectWidth;
6813             }
6814             else
6815             {
6816                 x = 0;
6817                 width_cell = rectWidth - (m_rowLabelWidth - rect_x);
6818             }
6819
6820             if (rect_y > m_colLabelHeight)
6821             {
6822                 y = rect_y - m_colLabelHeight;
6823                 height_cell = rectHeight;
6824             }
6825             else
6826             {
6827                 y = 0;
6828                 height_cell = rectHeight - (m_colLabelHeight - rect_y);
6829             }
6830
6831             // Paint corner label part intersecting rect.
6832             if ( width_label > 0 && height_label > 0 )
6833             {
6834                 wxRect anotherrect(rect_x, rect_y, width_label, height_label);
6835                 m_cornerLabelWin->Refresh(eraseb, &anotherrect);
6836             }
6837
6838             // Paint col labels part intersecting rect.
6839             if ( width_cell > 0 && height_label > 0 )
6840             {
6841                 wxRect anotherrect(x, rect_y, width_cell, height_label);
6842                 m_colLabelWin->Refresh(eraseb, &anotherrect);
6843             }
6844
6845             // Paint row labels part intersecting rect.
6846             if ( width_label > 0 && height_cell > 0 )
6847             {
6848                 wxRect anotherrect(rect_x, y, width_label, height_cell);
6849                 m_rowLabelWin->Refresh(eraseb, &anotherrect);
6850             }
6851
6852             // Paint cell area part intersecting rect.
6853             if ( width_cell > 0 && height_cell > 0 )
6854             {
6855                 wxRect anotherrect(x, y, width_cell, height_cell);
6856                 m_gridWin->Refresh(eraseb, &anotherrect);
6857             }
6858         }
6859         else
6860         {
6861             m_cornerLabelWin->Refresh(eraseb, NULL);
6862             m_colLabelWin->Refresh(eraseb, NULL);
6863             m_rowLabelWin->Refresh(eraseb, NULL);
6864             m_gridWin->Refresh(eraseb, NULL);
6865         }
6866     }
6867 }
6868
6869 void wxGrid::OnSize( wxSizeEvent& event )
6870 {
6871     // position the child windows
6872     CalcWindowSizes();
6873
6874     // don't call CalcDimensions() from here, the base class handles the size
6875     // changes itself
6876     event.Skip();
6877 }
6878
6879 void wxGrid::OnKeyDown( wxKeyEvent& event )
6880 {
6881     if ( m_inOnKeyDown )
6882     {
6883         // shouldn't be here - we are going round in circles...
6884         //
6885         wxFAIL_MSG( wxT("wxGrid::OnKeyDown called while already active") );
6886     }
6887
6888     m_inOnKeyDown = true;
6889
6890     // propagate the event up and see if it gets processed
6891     wxWindow *parent = GetParent();
6892     wxKeyEvent keyEvt( event );
6893     keyEvt.SetEventObject( parent );
6894
6895     if ( !parent->GetEventHandler()->ProcessEvent( keyEvt ) )
6896     {
6897         if (GetLayoutDirection() == wxLayout_RightToLeft)
6898         {
6899             if (event.GetKeyCode() == WXK_RIGHT)
6900                 event.m_keyCode = WXK_LEFT;
6901             else if (event.GetKeyCode() == WXK_LEFT)
6902                 event.m_keyCode = WXK_RIGHT;
6903         }
6904
6905         // try local handlers
6906         switch ( event.GetKeyCode() )
6907         {
6908             case WXK_UP:
6909                 if ( event.ControlDown() )
6910                     MoveCursorUpBlock( event.ShiftDown() );
6911                 else
6912                     MoveCursorUp( event.ShiftDown() );
6913                 break;
6914
6915             case WXK_DOWN:
6916                 if ( event.ControlDown() )
6917                     MoveCursorDownBlock( event.ShiftDown() );
6918                 else
6919                     MoveCursorDown( event.ShiftDown() );
6920                 break;
6921
6922             case WXK_LEFT:
6923                 if ( event.ControlDown() )
6924                     MoveCursorLeftBlock( event.ShiftDown() );
6925                 else
6926                     MoveCursorLeft( event.ShiftDown() );
6927                 break;
6928
6929             case WXK_RIGHT:
6930                 if ( event.ControlDown() )
6931                     MoveCursorRightBlock( event.ShiftDown() );
6932                 else
6933                     MoveCursorRight( event.ShiftDown() );
6934                 break;
6935
6936             case WXK_RETURN:
6937             case WXK_NUMPAD_ENTER:
6938                 if ( event.ControlDown() )
6939                 {
6940                     event.Skip();  // to let the edit control have the return
6941                 }
6942                 else
6943                 {
6944                     if ( GetGridCursorRow() < GetNumberRows()-1 )
6945                     {
6946                         MoveCursorDown( event.ShiftDown() );
6947                     }
6948                     else
6949                     {
6950                         // at the bottom of a column
6951                         DisableCellEditControl();
6952                     }
6953                 }
6954                 break;
6955
6956             case WXK_ESCAPE:
6957                 ClearSelection();
6958                 break;
6959
6960             case WXK_TAB:
6961                 if (event.ShiftDown())
6962                 {
6963                     if ( GetGridCursorCol() > 0 )
6964                     {
6965                         MoveCursorLeft( false );
6966                     }
6967                     else
6968                     {
6969                         // at left of grid
6970                         DisableCellEditControl();
6971                     }
6972                 }
6973                 else
6974                 {
6975                     if ( GetGridCursorCol() < GetNumberCols() - 1 )
6976                     {
6977                         MoveCursorRight( false );
6978                     }
6979                     else
6980                     {
6981                         // at right of grid
6982                         DisableCellEditControl();
6983                     }
6984                 }
6985                 break;
6986
6987             case WXK_HOME:
6988                 if ( event.ControlDown() )
6989                 {
6990                     MakeCellVisible( 0, 0 );
6991                     SetCurrentCell( 0, 0 );
6992                 }
6993                 else
6994                 {
6995                     event.Skip();
6996                 }
6997                 break;
6998
6999             case WXK_END:
7000                 if ( event.ControlDown() )
7001                 {
7002                     MakeCellVisible( m_numRows - 1, m_numCols - 1 );
7003                     SetCurrentCell( m_numRows - 1, m_numCols - 1 );
7004                 }
7005                 else
7006                 {
7007                     event.Skip();
7008                 }
7009                 break;
7010
7011             case WXK_PAGEUP:
7012                 MovePageUp();
7013                 break;
7014
7015             case WXK_PAGEDOWN:
7016                 MovePageDown();
7017                 break;
7018
7019             case WXK_SPACE:
7020                 if ( event.ControlDown() )
7021                 {
7022                     if ( m_selection )
7023                     {
7024                         m_selection->ToggleCellSelection(
7025                             m_currentCellCoords.GetRow(),
7026                             m_currentCellCoords.GetCol(),
7027                             event.ControlDown(),
7028                             event.ShiftDown(),
7029                             event.AltDown(),
7030                             event.MetaDown() );
7031                     }
7032                     break;
7033                 }
7034
7035                 if ( !IsEditable() )
7036                     MoveCursorRight( false );
7037                 else
7038                     event.Skip();
7039                 break;
7040
7041             default:
7042                 event.Skip();
7043                 break;
7044         }
7045     }
7046
7047     m_inOnKeyDown = false;
7048 }
7049
7050 void wxGrid::OnKeyUp( wxKeyEvent& event )
7051 {
7052     // try local handlers
7053     //
7054     if ( event.GetKeyCode() == WXK_SHIFT )
7055     {
7056         if ( m_selectingTopLeft != wxGridNoCellCoords &&
7057              m_selectingBottomRight != wxGridNoCellCoords )
7058         {
7059             if ( m_selection )
7060             {
7061                 m_selection->SelectBlock(
7062                     m_selectingTopLeft.GetRow(),
7063                     m_selectingTopLeft.GetCol(),
7064                     m_selectingBottomRight.GetRow(),
7065                     m_selectingBottomRight.GetCol(),
7066                     event.ControlDown(),
7067                     true,
7068                     event.AltDown(),
7069                     event.MetaDown() );
7070             }
7071         }
7072
7073         m_selectingTopLeft = wxGridNoCellCoords;
7074         m_selectingBottomRight = wxGridNoCellCoords;
7075         m_selectingKeyboard = wxGridNoCellCoords;
7076     }
7077 }
7078
7079 void wxGrid::OnChar( wxKeyEvent& event )
7080 {
7081     // is it possible to edit the current cell at all?
7082     if ( !IsCellEditControlEnabled() && CanEnableCellControl() )
7083     {
7084         // yes, now check whether the cells editor accepts the key
7085         int row = m_currentCellCoords.GetRow();
7086         int col = m_currentCellCoords.GetCol();
7087         wxGridCellAttr *attr = GetCellAttr(row, col);
7088         wxGridCellEditor *editor = attr->GetEditor(this, row, col);
7089
7090         // <F2> is special and will always start editing, for
7091         // other keys - ask the editor itself
7092         if ( (event.GetKeyCode() == WXK_F2 && !event.HasModifiers())
7093              || editor->IsAcceptedKey(event) )
7094         {
7095             // ensure cell is visble
7096             MakeCellVisible(row, col);
7097             EnableCellEditControl();
7098
7099             // a problem can arise if the cell is not completely
7100             // visible (even after calling MakeCellVisible the
7101             // control is not created and calling StartingKey will
7102             // crash the app
7103             if ( event.GetKeyCode() != WXK_F2 && editor->IsCreated() && m_cellEditCtrlEnabled )
7104                 editor->StartingKey(event);
7105         }
7106         else
7107         {
7108             event.Skip();
7109         }
7110
7111         editor->DecRef();
7112         attr->DecRef();
7113     }
7114     else
7115     {
7116         event.Skip();
7117     }
7118 }
7119
7120 void wxGrid::OnEraseBackground(wxEraseEvent&)
7121 {
7122 }
7123
7124 void wxGrid::SetCurrentCell( const wxGridCellCoords& coords )
7125 {
7126     if ( SendEvent( wxEVT_GRID_SELECT_CELL, coords.GetRow(), coords.GetCol() ) )
7127     {
7128         // the event has been intercepted - do nothing
7129         return;
7130     }
7131
7132 #if !(defined(__WXMAC__) && wxMAC_USE_CORE_GRAPHICS)
7133     wxClientDC dc( m_gridWin );
7134     PrepareDC( dc );
7135 #endif
7136
7137     if ( m_currentCellCoords != wxGridNoCellCoords )
7138     {
7139         DisableCellEditControl();
7140
7141         if ( IsVisible( m_currentCellCoords, false ) )
7142         {
7143             wxRect r;
7144             r = BlockToDeviceRect( m_currentCellCoords, m_currentCellCoords );
7145             if ( !m_gridLinesEnabled )
7146             {
7147                 r.x--;
7148                 r.y--;
7149                 r.width++;
7150                 r.height++;
7151             }
7152
7153             wxGridCellCoordsArray cells = CalcCellsExposed( r );
7154
7155             // Otherwise refresh redraws the highlight!
7156             m_currentCellCoords = coords;
7157
7158 #if defined(__WXMAC__) && wxMAC_USE_CORE_GRAPHICS
7159             m_gridWin->Refresh(true /*, & r */);
7160 #else
7161             DrawGridCellArea( dc, cells );
7162             DrawAllGridLines( dc, r );
7163 #endif
7164         }
7165     }
7166
7167     m_currentCellCoords = coords;
7168
7169     wxGridCellAttr *attr = GetCellAttr( coords );
7170 #if !(defined(__WXMAC__) && wxMAC_USE_CORE_GRAPHICS)
7171     DrawCellHighlight( dc, attr );
7172 #endif
7173     attr->DecRef();
7174 }
7175
7176 void wxGrid::HighlightBlock( int topRow, int leftCol, int bottomRow, int rightCol )
7177 {
7178     int temp;
7179     wxGridCellCoords updateTopLeft, updateBottomRight;
7180
7181     if ( m_selection )
7182     {
7183         if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectRows )
7184         {
7185             leftCol = 0;
7186             rightCol = GetNumberCols() - 1;
7187         }
7188         else if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectColumns )
7189         {
7190             topRow = 0;
7191             bottomRow = GetNumberRows() - 1;
7192         }
7193     }
7194
7195     if ( topRow > bottomRow )
7196     {
7197         temp = topRow;
7198         topRow = bottomRow;
7199         bottomRow = temp;
7200     }
7201
7202     if ( leftCol > rightCol )
7203     {
7204         temp = leftCol;
7205         leftCol = rightCol;
7206         rightCol = temp;
7207     }
7208
7209     updateTopLeft = wxGridCellCoords( topRow, leftCol );
7210     updateBottomRight = wxGridCellCoords( bottomRow, rightCol );
7211
7212     // First the case that we selected a completely new area
7213     if ( m_selectingTopLeft == wxGridNoCellCoords ||
7214          m_selectingBottomRight == wxGridNoCellCoords )
7215     {
7216         wxRect rect;
7217         rect = BlockToDeviceRect( wxGridCellCoords ( topRow, leftCol ),
7218                                   wxGridCellCoords ( bottomRow, rightCol ) );
7219         m_gridWin->Refresh( false, &rect );
7220     }
7221
7222     // Now handle changing an existing selection area.
7223     else if ( m_selectingTopLeft != updateTopLeft ||
7224               m_selectingBottomRight != updateBottomRight )
7225     {
7226         // Compute two optimal update rectangles:
7227         // Either one rectangle is a real subset of the
7228         // other, or they are (almost) disjoint!
7229         wxRect  rect[4];
7230         bool    need_refresh[4];
7231         need_refresh[0] =
7232         need_refresh[1] =
7233         need_refresh[2] =
7234         need_refresh[3] = false;
7235         int     i;
7236
7237         // Store intermediate values
7238         wxCoord oldLeft = m_selectingTopLeft.GetCol();
7239         wxCoord oldTop = m_selectingTopLeft.GetRow();
7240         wxCoord oldRight = m_selectingBottomRight.GetCol();
7241         wxCoord oldBottom = m_selectingBottomRight.GetRow();
7242
7243         // Determine the outer/inner coordinates.
7244         if (oldLeft > leftCol)
7245         {
7246             temp = oldLeft;
7247             oldLeft = leftCol;
7248             leftCol = temp;
7249         }
7250         if (oldTop > topRow )
7251         {
7252             temp = oldTop;
7253             oldTop = topRow;
7254             topRow = temp;
7255         }
7256         if (oldRight < rightCol )
7257         {
7258             temp = oldRight;
7259             oldRight = rightCol;
7260             rightCol = temp;
7261         }
7262         if (oldBottom < bottomRow)
7263         {
7264             temp = oldBottom;
7265             oldBottom = bottomRow;
7266             bottomRow = temp;
7267         }
7268
7269         // Now, either the stuff marked old is the outer
7270         // rectangle or we don't have a situation where one
7271         // is contained in the other.
7272
7273         if ( oldLeft < leftCol )
7274         {
7275             // Refresh the newly selected or deselected
7276             // area to the left of the old or new selection.
7277             need_refresh[0] = true;
7278             rect[0] = BlockToDeviceRect(
7279                 wxGridCellCoords( oldTop,  oldLeft ),
7280                 wxGridCellCoords( oldBottom, leftCol - 1 ) );
7281         }
7282
7283         if ( oldTop < topRow )
7284         {
7285             // Refresh the newly selected or deselected
7286             // area above the old or new selection.
7287             need_refresh[1] = true;
7288             rect[1] = BlockToDeviceRect(
7289                 wxGridCellCoords( oldTop, leftCol ),
7290                 wxGridCellCoords( topRow - 1, rightCol ) );
7291         }
7292
7293         if ( oldRight > rightCol )
7294         {
7295             // Refresh the newly selected or deselected
7296             // area to the right of the old or new selection.
7297             need_refresh[2] = true;
7298             rect[2] = BlockToDeviceRect(
7299                 wxGridCellCoords( oldTop, rightCol + 1 ),
7300                 wxGridCellCoords( oldBottom, oldRight ) );
7301         }
7302
7303         if ( oldBottom > bottomRow )
7304         {
7305             // Refresh the newly selected or deselected
7306             // area below the old or new selection.
7307             need_refresh[3] = true;
7308             rect[3] = BlockToDeviceRect(
7309                 wxGridCellCoords( bottomRow + 1, leftCol ),
7310                 wxGridCellCoords( oldBottom, rightCol ) );
7311         }
7312
7313         // various Refresh() calls
7314         for (i = 0; i < 4; i++ )
7315             if ( need_refresh[i] && rect[i] != wxGridNoCellRect )
7316                 m_gridWin->Refresh( false, &(rect[i]) );
7317     }
7318
7319     // change selection
7320     m_selectingTopLeft = updateTopLeft;
7321     m_selectingBottomRight = updateBottomRight;
7322 }
7323
7324 //
7325 // ------ functions to get/send data (see also public functions)
7326 //
7327
7328 bool wxGrid::GetModelValues()
7329 {
7330     // Hide the editor, so it won't hide a changed value.
7331     HideCellEditControl();
7332
7333     if ( m_table )
7334     {
7335         // all we need to do is repaint the grid
7336         //
7337         m_gridWin->Refresh();
7338         return true;
7339     }
7340
7341     return false;
7342 }
7343
7344 bool wxGrid::SetModelValues()
7345 {
7346     int row, col;
7347
7348     // Disable the editor, so it won't hide a changed value.
7349     // Do we also want to save the current value of the editor first?
7350     // I think so ...
7351     DisableCellEditControl();
7352
7353     if ( m_table )
7354     {
7355         for ( row = 0; row < m_numRows; row++ )
7356         {
7357             for ( col = 0; col < m_numCols; col++ )
7358             {
7359                 m_table->SetValue( row, col, GetCellValue(row, col) );
7360             }
7361         }
7362
7363         return true;
7364     }
7365
7366     return false;
7367 }
7368
7369 // Note - this function only draws cells that are in the list of
7370 // exposed cells (usually set from the update region by
7371 // CalcExposedCells)
7372 //
7373 void wxGrid::DrawGridCellArea( wxDC& dc, const wxGridCellCoordsArray& cells )
7374 {
7375     if ( !m_numRows || !m_numCols )
7376         return;
7377
7378     int i, numCells = cells.GetCount();
7379     int row, col, cell_rows, cell_cols;
7380     wxGridCellCoordsArray redrawCells;
7381
7382     for ( i = numCells - 1; i >= 0; i-- )
7383     {
7384         row = cells[i].GetRow();
7385         col = cells[i].GetCol();
7386         GetCellSize( row, col, &cell_rows, &cell_cols );
7387
7388         // If this cell is part of a multicell block, find owner for repaint
7389         if ( cell_rows <= 0 || cell_cols <= 0 )
7390         {
7391             wxGridCellCoords cell( row + cell_rows, col + cell_cols );
7392             bool marked = false;
7393             for ( int j = 0; j < numCells; j++ )
7394             {
7395                 if ( cell == cells[j] )
7396                 {
7397                     marked = true;
7398                     break;
7399                 }
7400             }
7401
7402             if (!marked)
7403             {
7404                 int count = redrawCells.GetCount();
7405                 for (int j = 0; j < count; j++)
7406                 {
7407                     if ( cell == redrawCells[j] )
7408                     {
7409                         marked = true;
7410                         break;
7411                     }
7412                 }
7413
7414                 if (!marked)
7415                     redrawCells.Add( cell );
7416             }
7417
7418             // don't bother drawing this cell
7419             continue;
7420         }
7421
7422         // If this cell is empty, find cell to left that might want to overflow
7423         if (m_table && m_table->IsEmptyCell(row, col))
7424         {
7425             for ( int l = 0; l < cell_rows; l++ )
7426             {
7427                 // find a cell in this row to leave already marked for repaint
7428                 int left = col;
7429                 for (int k = 0; k < int(redrawCells.GetCount()); k++)
7430                     if ((redrawCells[k].GetCol() < left) &&
7431                         (redrawCells[k].GetRow() == row))
7432                     {
7433                         left = redrawCells[k].GetCol();
7434                     }
7435
7436                 if (left == col)
7437                     left = 0; // oh well
7438
7439                 for (int j = col - 1; j >= left; j--)
7440                 {
7441                     if (!m_table->IsEmptyCell(row + l, j))
7442                     {
7443                         if (GetCellOverflow(row + l, j))
7444                         {
7445                             wxGridCellCoords cell(row + l, j);
7446                             bool marked = false;
7447
7448                             for (int k = 0; k < numCells; k++)
7449                             {
7450                                 if ( cell == cells[k] )
7451                                 {
7452                                     marked = true;
7453                                     break;
7454                                 }
7455                             }
7456
7457                             if (!marked)
7458                             {
7459                                 int count = redrawCells.GetCount();
7460                                 for (int k = 0; k < count; k++)
7461                                 {
7462                                     if ( cell == redrawCells[k] )
7463                                     {
7464                                         marked = true;
7465                                         break;
7466                                     }
7467                                 }
7468                                 if (!marked)
7469                                     redrawCells.Add( cell );
7470                             }
7471                         }
7472                         break;
7473                     }
7474                 }
7475             }
7476         }
7477
7478         DrawCell( dc, cells[i] );
7479     }
7480
7481     numCells = redrawCells.GetCount();
7482
7483     for ( i = numCells - 1; i >= 0; i-- )
7484     {
7485         DrawCell( dc, redrawCells[i] );
7486     }
7487 }
7488
7489 void wxGrid::DrawGridSpace( wxDC& dc )
7490 {
7491   int cw, ch;
7492   m_gridWin->GetClientSize( &cw, &ch );
7493
7494   int right, bottom;
7495   CalcUnscrolledPosition( cw, ch, &right, &bottom );
7496
7497   int rightCol = m_numCols > 0 ? GetColRight(GetColAt( m_numCols - 1 )) : 0;
7498   int bottomRow = m_numRows > 0 ? GetRowBottom(m_numRows - 1) : 0;
7499
7500   if ( right > rightCol || bottom > bottomRow )
7501   {
7502       int left, top;
7503       CalcUnscrolledPosition( 0, 0, &left, &top );
7504
7505       dc.SetBrush( wxBrush(GetDefaultCellBackgroundColour(), wxSOLID) );
7506       dc.SetPen( *wxTRANSPARENT_PEN );
7507
7508       if ( right > rightCol )
7509       {
7510           dc.DrawRectangle( rightCol, top, right - rightCol, ch );
7511       }
7512
7513       if ( bottom > bottomRow )
7514       {
7515           dc.DrawRectangle( left, bottomRow, cw, bottom - bottomRow );
7516       }
7517   }
7518 }
7519
7520 void wxGrid::DrawCell( wxDC& dc, const wxGridCellCoords& coords )
7521 {
7522     int row = coords.GetRow();
7523     int col = coords.GetCol();
7524
7525     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
7526         return;
7527
7528     // we draw the cell border ourselves
7529 #if !WXGRID_DRAW_LINES
7530     if ( m_gridLinesEnabled )
7531         DrawCellBorder( dc, coords );
7532 #endif
7533
7534     wxGridCellAttr* attr = GetCellAttr(row, col);
7535
7536     bool isCurrent = coords == m_currentCellCoords;
7537
7538     wxRect rect = CellToRect( row, col );
7539
7540     // if the editor is shown, we should use it and not the renderer
7541     // Note: However, only if it is really _shown_, i.e. not hidden!
7542     if ( isCurrent && IsCellEditControlShown() )
7543     {
7544         // NB: this "#if..." is temporary and fixes a problem where the
7545         // edit control is erased by this code after being rendered.
7546         // On wxMac (QD build only), the cell editor is a wxTextCntl and is rendered
7547         // implicitly, causing this out-of order render.
7548 #if !defined(__WXMAC__)
7549         wxGridCellEditor *editor = attr->GetEditor(this, row, col);
7550         editor->PaintBackground(rect, attr);
7551         editor->DecRef();
7552 #endif
7553     }
7554     else
7555     {
7556         // but all the rest is drawn by the cell renderer and hence may be customized
7557         wxGridCellRenderer *renderer = attr->GetRenderer(this, row, col);
7558         renderer->Draw(*this, *attr, dc, rect, row, col, IsInSelection(coords));
7559         renderer->DecRef();
7560     }
7561
7562     attr->DecRef();
7563 }
7564
7565 void wxGrid::DrawCellHighlight( wxDC& dc, const wxGridCellAttr *attr )
7566 {
7567     int row = m_currentCellCoords.GetRow();
7568     int col = m_currentCellCoords.GetCol();
7569
7570     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
7571         return;
7572
7573     wxRect rect = CellToRect(row, col);
7574
7575     // hmmm... what could we do here to show that the cell is disabled?
7576     // for now, I just draw a thinner border than for the other ones, but
7577     // it doesn't look really good
7578
7579     int penWidth = attr->IsReadOnly() ? m_cellHighlightROPenWidth : m_cellHighlightPenWidth;
7580
7581     if (penWidth > 0)
7582     {
7583         // The center of the drawn line is where the position/width/height of
7584         // the rectangle is actually at (on wxMSW at least), so the
7585         // size of the rectangle is reduced to compensate for the thickness of
7586         // the line. If this is too strange on non-wxMSW platforms then
7587         // please #ifdef this appropriately.
7588         rect.x += penWidth / 2;
7589         rect.y += penWidth / 2;
7590         rect.width -= penWidth - 1;
7591         rect.height -= penWidth - 1;
7592
7593         // Now draw the rectangle
7594         // use the cellHighlightColour if the cell is inside a selection, this
7595         // will ensure the cell is always visible.
7596         dc.SetPen(wxPen(IsInSelection(row,col) ? m_selectionForeground : m_cellHighlightColour, penWidth, wxSOLID));
7597         dc.SetBrush(*wxTRANSPARENT_BRUSH);
7598         dc.DrawRectangle(rect);
7599     }
7600
7601 #if 0
7602         // VZ: my experiments with 3D borders...
7603
7604         // how to properly set colours for arbitrary bg?
7605         wxCoord x1 = rect.x,
7606                 y1 = rect.y,
7607                 x2 = rect.x + rect.width - 1,
7608                 y2 = rect.y + rect.height - 1;
7609
7610         dc.SetPen(*wxWHITE_PEN);
7611         dc.DrawLine(x1, y1, x2, y1);
7612         dc.DrawLine(x1, y1, x1, y2);
7613
7614         dc.DrawLine(x1 + 1, y2 - 1, x2 - 1, y2 - 1);
7615         dc.DrawLine(x2 - 1, y1 + 1, x2 - 1, y2);
7616
7617         dc.SetPen(*wxBLACK_PEN);
7618         dc.DrawLine(x1, y2, x2, y2);
7619         dc.DrawLine(x2, y1, x2, y2 + 1);
7620 #endif
7621 }
7622
7623 wxPen wxGrid::GetDefaultGridLinePen()
7624 {
7625     return wxPen(GetGridLineColour(), 1, wxSOLID);
7626 }
7627
7628 wxPen wxGrid::GetRowGridLinePen(int WXUNUSED(row))
7629 {
7630     return GetDefaultGridLinePen();
7631 }
7632
7633 wxPen wxGrid::GetColGridLinePen(int WXUNUSED(col))
7634 {
7635     return GetDefaultGridLinePen();
7636 }
7637
7638 void wxGrid::DrawCellBorder( wxDC& dc, const wxGridCellCoords& coords )
7639 {
7640     int row = coords.GetRow();
7641     int col = coords.GetCol();
7642     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
7643         return;
7644
7645
7646     wxRect rect = CellToRect( row, col );
7647
7648     // right hand border
7649     dc.SetPen( GetColGridLinePen(col) );
7650     dc.DrawLine( rect.x + rect.width, rect.y,
7651                  rect.x + rect.width, rect.y + rect.height + 1 );
7652
7653     // bottom border
7654     dc.SetPen( GetRowGridLinePen(row) );
7655     dc.DrawLine( rect.x, rect.y + rect.height,
7656                  rect.x + rect.width, rect.y + rect.height);
7657 }
7658
7659 void wxGrid::DrawHighlight(wxDC& dc, const wxGridCellCoordsArray& cells)
7660 {
7661     // This if block was previously in wxGrid::OnPaint but that doesn't
7662     // seem to get called under wxGTK - MB
7663     //
7664     if ( m_currentCellCoords == wxGridNoCellCoords &&
7665          m_numRows && m_numCols )
7666     {
7667         m_currentCellCoords.Set(0, 0);
7668     }
7669
7670     if ( IsCellEditControlShown() )
7671     {
7672         // don't show highlight when the edit control is shown
7673         return;
7674     }
7675
7676     // if the active cell was repainted, repaint its highlight too because it
7677     // might have been damaged by the grid lines
7678     size_t count = cells.GetCount();
7679     for ( size_t n = 0; n < count; n++ )
7680     {
7681         if ( cells[n] == m_currentCellCoords )
7682         {
7683             wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords);
7684             DrawCellHighlight(dc, attr);
7685             attr->DecRef();
7686
7687             break;
7688         }
7689     }
7690 }
7691
7692 // TODO: remove this ???
7693 // This is used to redraw all grid lines e.g. when the grid line colour
7694 // has been changed
7695 //
7696 void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & WXUNUSED(reg) )
7697 {
7698 #if !WXGRID_DRAW_LINES
7699     return;
7700 #endif
7701
7702     if ( !m_gridLinesEnabled || !m_numRows || !m_numCols )
7703          return;
7704
7705     int top, bottom, left, right;
7706
7707 #if 0  //#ifndef __WXGTK__
7708     if (reg.IsEmpty())
7709     {
7710       int cw, ch;
7711       m_gridWin->GetClientSize(&cw, &ch);
7712
7713       // virtual coords of visible area
7714       //
7715       CalcUnscrolledPosition( 0, 0, &left, &top );
7716       CalcUnscrolledPosition( cw, ch, &right, &bottom );
7717     }
7718     else
7719     {
7720       wxCoord x, y, w, h;
7721       reg.GetBox(x, y, w, h);
7722       CalcUnscrolledPosition( x, y, &left, &top );
7723       CalcUnscrolledPosition( x + w, y + h, &right, &bottom );
7724     }
7725 #else
7726       int cw, ch;
7727       m_gridWin->GetClientSize(&cw, &ch);
7728       CalcUnscrolledPosition( 0, 0, &left, &top );
7729       CalcUnscrolledPosition( cw, ch, &right, &bottom );
7730 #endif
7731
7732     // avoid drawing grid lines past the last row and col
7733     //
7734     right = wxMin( right, GetColRight(GetColAt( m_numCols - 1 )) );
7735     bottom = wxMin( bottom, GetRowBottom(m_numRows - 1) );
7736
7737     // no gridlines inside multicells, clip them out
7738     int leftCol = GetColPos( internalXToCol(left) );
7739     int topRow = internalYToRow(top);
7740     int rightCol = GetColPos( internalXToCol(right) );
7741     int bottomRow = internalYToRow(bottom);
7742
7743 #if !defined(__WXMAC__) || wxMAC_USE_CORE_GRAPHICS
7744     wxRegion clippedcells(0, 0, cw, ch);
7745
7746     int i, j, cell_rows, cell_cols;
7747     wxRect rect;
7748
7749     for (j=topRow; j<=bottomRow; j++)
7750     {
7751         int colPos;
7752         for (colPos=leftCol; colPos<=rightCol; colPos++)
7753         {
7754             i = GetColAt( colPos );
7755
7756             GetCellSize( j, i, &cell_rows, &cell_cols );
7757             if ((cell_rows > 1) || (cell_cols > 1))
7758             {
7759                 rect = CellToRect(j,i);
7760                 CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
7761                 clippedcells.Subtract(rect);
7762             }
7763             else if ((cell_rows < 0) || (cell_cols < 0))
7764             {
7765                 rect = CellToRect(j + cell_rows, i + cell_cols);
7766                 CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
7767                 clippedcells.Subtract(rect);
7768             }
7769         }
7770     }
7771 #else
7772     wxRegion clippedcells( left, top, right - left, bottom - top );
7773
7774     int i, j, cell_rows, cell_cols;
7775     wxRect rect;
7776
7777     for (j=topRow; j<=bottomRow; j++)
7778     {
7779         for (i=leftCol; i<=rightCol; i++)
7780         {
7781             GetCellSize( j, i, &cell_rows, &cell_cols );
7782             if ((cell_rows > 1) || (cell_cols > 1))
7783             {
7784                 rect = CellToRect(j, i);
7785                 clippedcells.Subtract(rect);
7786             }
7787             else if ((cell_rows < 0) || (cell_cols < 0))
7788             {
7789                 rect = CellToRect(j + cell_rows, i + cell_cols);
7790                 clippedcells.Subtract(rect);
7791             }
7792         }
7793     }
7794 #endif
7795
7796     dc.SetClippingRegion( clippedcells );
7797
7798
7799     // horizontal grid lines
7800     //
7801     // already declared above - int i;
7802     for ( i = internalYToRow(top); i < m_numRows; i++ )
7803     {
7804         int bot = GetRowBottom(i) - 1;
7805
7806         if ( bot > bottom )
7807         {
7808             break;
7809         }
7810
7811         if ( bot >= top )
7812         {
7813             dc.SetPen( GetRowGridLinePen(i) );
7814             dc.DrawLine( left, bot, right, bot );
7815         }
7816     }
7817
7818     // vertical grid lines
7819     //
7820     int colPos;
7821     for ( colPos = leftCol; colPos < m_numCols; colPos++ )
7822     {
7823         i = GetColAt( colPos );
7824
7825         int colRight = GetColRight(i);
7826 #ifdef __WXGTK__
7827         if (GetLayoutDirection() != wxLayout_RightToLeft)
7828 #endif
7829             colRight--;
7830
7831         if ( colRight > right )
7832         {
7833             break;
7834         }
7835
7836         if ( colRight >= left )
7837         {
7838             dc.SetPen( GetColGridLinePen(i) );
7839             dc.DrawLine( colRight, top, colRight, bottom );
7840         }
7841     }
7842
7843     dc.DestroyClippingRegion();
7844 }
7845
7846 void wxGrid::DrawRowLabels( wxDC& dc, const wxArrayInt& rows)
7847 {
7848     if ( !m_numRows )
7849         return;
7850
7851     size_t i;
7852     size_t numLabels = rows.GetCount();
7853
7854     for ( i = 0; i < numLabels; i++ )
7855     {
7856         DrawRowLabel( dc, rows[i] );
7857     }
7858 }
7859
7860 void wxGrid::DrawRowLabel( wxDC& dc, int row )
7861 {
7862     if ( GetRowHeight(row) <= 0 || m_rowLabelWidth <= 0 )
7863         return;
7864
7865     wxRect rect;
7866
7867 #if 0
7868 def __WXGTK20__
7869     rect.SetX( 1 );
7870     rect.SetY( GetRowTop(row) + 1 );
7871     rect.SetWidth( m_rowLabelWidth - 2 );
7872     rect.SetHeight( GetRowHeight(row) - 2 );
7873
7874     CalcScrolledPosition( 0, rect.y, NULL, &rect.y );
7875
7876     wxWindowDC *win_dc = (wxWindowDC*) &dc;
7877
7878     wxRendererNative::Get().DrawHeaderButton( win_dc->m_owner, dc, rect, 0 );
7879 #else
7880     int rowTop = GetRowTop(row),
7881         rowBottom = GetRowBottom(row) - 1;
7882
7883     dc.SetPen( wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW), 1, wxSOLID) );
7884     dc.DrawLine( m_rowLabelWidth - 1, rowTop, m_rowLabelWidth - 1, rowBottom );
7885     dc.DrawLine( 0, rowTop, 0, rowBottom );
7886     dc.DrawLine( 0, rowBottom, m_rowLabelWidth, rowBottom );
7887
7888     dc.SetPen( *wxWHITE_PEN );
7889     dc.DrawLine( 1, rowTop, 1, rowBottom );
7890     dc.DrawLine( 1, rowTop, m_rowLabelWidth - 1, rowTop );
7891 #endif
7892
7893     dc.SetBackgroundMode( wxTRANSPARENT );
7894     dc.SetTextForeground( GetLabelTextColour() );
7895     dc.SetFont( GetLabelFont() );
7896
7897     int hAlign, vAlign;
7898     GetRowLabelAlignment( &hAlign, &vAlign );
7899
7900     rect.SetX( 2 );
7901     rect.SetY( GetRowTop(row) + 2 );
7902     rect.SetWidth( m_rowLabelWidth - 4 );
7903     rect.SetHeight( GetRowHeight(row) - 4 );
7904     DrawTextRectangle( dc, GetRowLabelValue( row ), rect, hAlign, vAlign );
7905 }
7906
7907 void wxGrid::DrawColLabels( wxDC& dc,const wxArrayInt& cols )
7908 {
7909     if ( !m_numCols )
7910         return;
7911
7912     size_t i;
7913     size_t numLabels = cols.GetCount();
7914
7915     for ( i = 0; i < numLabels; i++ )
7916     {
7917         DrawColLabel( dc, cols[i] );
7918     }
7919 }
7920
7921 void wxGrid::DrawColLabel( wxDC& dc, int col )
7922 {
7923     if ( GetColWidth(col) <= 0 || m_colLabelHeight <= 0 )
7924         return;
7925
7926     int colLeft = GetColLeft(col);
7927
7928     wxRect rect;
7929
7930 #if 0
7931 def __WXGTK20__
7932     rect.SetX( colLeft + 1 );
7933     rect.SetY( 1 );
7934     rect.SetWidth( GetColWidth(col) - 2 );
7935     rect.SetHeight( m_colLabelHeight - 2 );
7936
7937     wxWindowDC *win_dc = (wxWindowDC*) &dc;
7938
7939     wxRendererNative::Get().DrawHeaderButton( win_dc->m_owner, dc, rect, 0 );
7940 #else
7941     int colRight = GetColRight(col) - 1;
7942
7943     dc.SetPen( wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW), 1, wxSOLID) );
7944     dc.DrawLine( colRight, 0, colRight, m_colLabelHeight - 1 );
7945     dc.DrawLine( colLeft, 0, colRight, 0 );
7946     dc.DrawLine( colLeft, m_colLabelHeight - 1,
7947                  colRight + 1, m_colLabelHeight - 1 );
7948
7949     dc.SetPen( *wxWHITE_PEN );
7950     dc.DrawLine( colLeft, 1, colLeft, m_colLabelHeight - 1 );
7951     dc.DrawLine( colLeft, 1, colRight, 1 );
7952 #endif
7953
7954     dc.SetBackgroundMode( wxTRANSPARENT );
7955     dc.SetTextForeground( GetLabelTextColour() );
7956     dc.SetFont( GetLabelFont() );
7957
7958     int hAlign, vAlign, orient;
7959     GetColLabelAlignment( &hAlign, &vAlign );
7960     orient = GetColLabelTextOrientation();
7961
7962     rect.SetX( colLeft + 2 );
7963     rect.SetY( 2 );
7964     rect.SetWidth( GetColWidth(col) - 4 );
7965     rect.SetHeight( m_colLabelHeight - 4 );
7966     DrawTextRectangle( dc, GetColLabelValue( col ), rect, hAlign, vAlign, orient );
7967 }
7968
7969 void wxGrid::DrawTextRectangle( wxDC& dc,
7970                                 const wxString& value,
7971                                 const wxRect& rect,
7972                                 int horizAlign,
7973                                 int vertAlign,
7974                                 int textOrientation )
7975 {
7976     wxArrayString lines;
7977
7978     StringToLines( value, lines );
7979
7980     // Forward to new API.
7981     DrawTextRectangle( dc,
7982         lines,
7983         rect,
7984         horizAlign,
7985         vertAlign,
7986         textOrientation );
7987 }
7988
7989 // VZ: this should be replaced with wxDC::DrawLabel() to which we just have to
7990 //     add textOrientation support
7991 void wxGrid::DrawTextRectangle(wxDC& dc,
7992                                const wxArrayString& lines,
7993                                const wxRect& rect,
7994                                int horizAlign,
7995                                int vertAlign,
7996                                int textOrientation)
7997 {
7998     if ( lines.empty() )
7999         return;
8000
8001     wxDCClipper clip(dc, rect);
8002
8003     long textWidth,
8004          textHeight;
8005
8006     if ( textOrientation == wxHORIZONTAL )
8007         GetTextBoxSize( dc, lines, &textWidth, &textHeight );
8008     else
8009         GetTextBoxSize( dc, lines, &textHeight, &textWidth );
8010
8011     int x = 0,
8012         y = 0;
8013     switch ( vertAlign )
8014     {
8015         case wxALIGN_BOTTOM:
8016             if ( textOrientation == wxHORIZONTAL )
8017                 y = rect.y + (rect.height - textHeight - 1);
8018             else
8019                 x = rect.x + rect.width - textWidth;
8020             break;
8021
8022         case wxALIGN_CENTRE:
8023             if ( textOrientation == wxHORIZONTAL )
8024                 y = rect.y + ((rect.height - textHeight) / 2);
8025             else
8026                 x = rect.x + ((rect.width - textWidth) / 2);
8027             break;
8028
8029         case wxALIGN_TOP:
8030         default:
8031             if ( textOrientation == wxHORIZONTAL )
8032                 y = rect.y + 1;
8033             else
8034                 x = rect.x + 1;
8035             break;
8036     }
8037
8038     // Align each line of a multi-line label
8039     size_t nLines = lines.GetCount();
8040     for ( size_t l = 0; l < nLines; l++ )
8041     {
8042         const wxString& line = lines[l];
8043
8044         if ( line.empty() )
8045         {
8046             *(textOrientation == wxHORIZONTAL ? &y : &x) += dc.GetCharHeight();
8047             continue;
8048         }
8049
8050         long lineWidth = 0,
8051              lineHeight = 0;
8052         dc.GetTextExtent(line, &lineWidth, &lineHeight);
8053
8054         switch ( horizAlign )
8055         {
8056             case wxALIGN_RIGHT:
8057                 if ( textOrientation == wxHORIZONTAL )
8058                     x = rect.x + (rect.width - lineWidth - 1);
8059                 else
8060                     y = rect.y + lineWidth + 1;
8061                 break;
8062
8063             case wxALIGN_CENTRE:
8064                 if ( textOrientation == wxHORIZONTAL )
8065                     x = rect.x + ((rect.width - lineWidth) / 2);
8066                 else
8067                     y = rect.y + rect.height - ((rect.height - lineWidth) / 2);
8068                 break;
8069
8070             case wxALIGN_LEFT:
8071             default:
8072                 if ( textOrientation == wxHORIZONTAL )
8073                     x = rect.x + 1;
8074                 else
8075                     y = rect.y + rect.height - 1;
8076                 break;
8077         }
8078
8079         if ( textOrientation == wxHORIZONTAL )
8080         {
8081             dc.DrawText( line, x, y );
8082             y += lineHeight;
8083         }
8084         else
8085         {
8086             dc.DrawRotatedText( line, x, y, 90.0 );
8087             x += lineHeight;
8088         }
8089     }
8090 }
8091
8092 // Split multi-line text up into an array of strings.
8093 // Any existing contents of the string array are preserved.
8094 //
8095 void wxGrid::StringToLines( const wxString& value, wxArrayString& lines )
8096 {
8097     int startPos = 0;
8098     int pos;
8099     wxString eol = wxTextFile::GetEOL( wxTextFileType_Unix );
8100     wxString tVal = wxTextFile::Translate( value, wxTextFileType_Unix );
8101
8102     while ( startPos < (int)tVal.length() )
8103     {
8104         pos = tVal.Mid(startPos).Find( eol );
8105         if ( pos < 0 )
8106         {
8107             break;
8108         }
8109         else if ( pos == 0 )
8110         {
8111             lines.Add( wxEmptyString );
8112         }
8113         else
8114         {
8115             lines.Add( value.Mid(startPos, pos) );
8116         }
8117
8118         startPos += pos + 1;
8119     }
8120
8121     if ( startPos < (int)value.length() )
8122     {
8123         lines.Add( value.Mid( startPos ) );
8124     }
8125 }
8126
8127 void wxGrid::GetTextBoxSize( const wxDC& dc,
8128                              const wxArrayString& lines,
8129                              long *width, long *height )
8130 {
8131     long w = 0;
8132     long h = 0;
8133     long lineW = 0, lineH = 0;
8134
8135     size_t i;
8136     for ( i = 0; i < lines.GetCount(); i++ )
8137     {
8138         dc.GetTextExtent( lines[i], &lineW, &lineH );
8139         w = wxMax( w, lineW );
8140         h += lineH;
8141     }
8142
8143     *width = w;
8144     *height = h;
8145 }
8146
8147 //
8148 // ------ Batch processing.
8149 //
8150 void wxGrid::EndBatch()
8151 {
8152     if ( m_batchCount > 0 )
8153     {
8154         m_batchCount--;
8155         if ( !m_batchCount )
8156         {
8157             CalcDimensions();
8158             m_rowLabelWin->Refresh();
8159             m_colLabelWin->Refresh();
8160             m_cornerLabelWin->Refresh();
8161             m_gridWin->Refresh();
8162         }
8163     }
8164 }
8165
8166 // Use this, rather than wxWindow::Refresh(), to force an immediate
8167 // repainting of the grid. Has no effect if you are already inside a
8168 // BeginBatch / EndBatch block.
8169 //
8170 void wxGrid::ForceRefresh()
8171 {
8172     BeginBatch();
8173     EndBatch();
8174 }
8175
8176 bool wxGrid::Enable(bool enable)
8177 {
8178     if ( !wxScrolledWindow::Enable(enable) )
8179         return false;
8180
8181     // redraw in the new state
8182     m_gridWin->Refresh();
8183
8184     return true;
8185 }
8186
8187 //
8188 // ------ Edit control functions
8189 //
8190
8191 void wxGrid::EnableEditing( bool edit )
8192 {
8193     // TODO: improve this ?
8194     //
8195     if ( edit != m_editable )
8196     {
8197         if (!edit)
8198             EnableCellEditControl(edit);
8199         m_editable = edit;
8200     }
8201 }
8202
8203 void wxGrid::EnableCellEditControl( bool enable )
8204 {
8205     if (! m_editable)
8206         return;
8207
8208     if ( enable != m_cellEditCtrlEnabled )
8209     {
8210         if ( enable )
8211         {
8212             if (SendEvent( wxEVT_GRID_EDITOR_SHOWN) <0)
8213                 return;
8214
8215             // this should be checked by the caller!
8216             wxASSERT_MSG( CanEnableCellControl(), _T("can't enable editing for this cell!") );
8217
8218             // do it before ShowCellEditControl()
8219             m_cellEditCtrlEnabled = enable;
8220
8221             ShowCellEditControl();
8222         }
8223         else
8224         {
8225             //FIXME:add veto support
8226             SendEvent( wxEVT_GRID_EDITOR_HIDDEN );
8227
8228             HideCellEditControl();
8229             SaveEditControlValue();
8230
8231             // do it after HideCellEditControl()
8232             m_cellEditCtrlEnabled = enable;
8233         }
8234     }
8235 }
8236
8237 bool wxGrid::IsCurrentCellReadOnly() const
8238 {
8239     // const_cast
8240     wxGridCellAttr* attr = ((wxGrid *)this)->GetCellAttr(m_currentCellCoords);
8241     bool readonly = attr->IsReadOnly();
8242     attr->DecRef();
8243
8244     return readonly;
8245 }
8246
8247 bool wxGrid::CanEnableCellControl() const
8248 {
8249     return m_editable && (m_currentCellCoords != wxGridNoCellCoords) &&
8250         !IsCurrentCellReadOnly();
8251 }
8252
8253 bool wxGrid::IsCellEditControlEnabled() const
8254 {
8255     // the cell edit control might be disable for all cells or just for the
8256     // current one if it's read only
8257     return m_cellEditCtrlEnabled ? !IsCurrentCellReadOnly() : false;
8258 }
8259
8260 bool wxGrid::IsCellEditControlShown() const
8261 {
8262     bool isShown = false;
8263
8264     if ( m_cellEditCtrlEnabled )
8265     {
8266         int row = m_currentCellCoords.GetRow();
8267         int col = m_currentCellCoords.GetCol();
8268         wxGridCellAttr* attr = GetCellAttr(row, col);
8269         wxGridCellEditor* editor = attr->GetEditor((wxGrid*) this, row, col);
8270         attr->DecRef();
8271
8272         if ( editor )
8273         {
8274             if ( editor->IsCreated() )
8275             {
8276                 isShown = editor->GetControl()->IsShown();
8277             }
8278
8279             editor->DecRef();
8280         }
8281     }
8282
8283     return isShown;
8284 }
8285
8286 void wxGrid::ShowCellEditControl()
8287 {
8288     if ( IsCellEditControlEnabled() )
8289     {
8290         if ( !IsVisible( m_currentCellCoords, false ) )
8291         {
8292             m_cellEditCtrlEnabled = false;
8293             return;
8294         }
8295         else
8296         {
8297             wxRect rect = CellToRect( m_currentCellCoords );
8298             int row = m_currentCellCoords.GetRow();
8299             int col = m_currentCellCoords.GetCol();
8300
8301             // if this is part of a multicell, find owner (topleft)
8302             int cell_rows, cell_cols;
8303             GetCellSize( row, col, &cell_rows, &cell_cols );
8304             if ( cell_rows <= 0 || cell_cols <= 0 )
8305             {
8306                 row += cell_rows;
8307                 col += cell_cols;
8308                 m_currentCellCoords.SetRow( row );
8309                 m_currentCellCoords.SetCol( col );
8310             }
8311
8312             // erase the highlight and the cell contents because the editor
8313             // might not cover the entire cell
8314             wxClientDC dc( m_gridWin );
8315             PrepareDC( dc );
8316             wxGridCellAttr* attr = GetCellAttr(row, col);
8317             dc.SetBrush(wxBrush(attr->GetBackgroundColour(), wxSOLID));
8318             dc.SetPen(*wxTRANSPARENT_PEN);
8319             dc.DrawRectangle(rect);
8320
8321             // convert to scrolled coords
8322             CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
8323
8324             int nXMove = 0;
8325             if (rect.x < 0)
8326                 nXMove = rect.x;
8327
8328             // cell is shifted by one pixel
8329             // However, don't allow x or y to become negative
8330             // since the SetSize() method interprets that as
8331             // "don't change."
8332             if (rect.x > 0)
8333                 rect.x--;
8334             if (rect.y > 0)
8335                 rect.y--;
8336
8337             wxGridCellEditor* editor = attr->GetEditor(this, row, col);
8338             if ( !editor->IsCreated() )
8339             {
8340                 editor->Create(m_gridWin, wxID_ANY,
8341                                new wxGridCellEditorEvtHandler(this, editor));
8342
8343                 wxGridEditorCreatedEvent evt(GetId(),
8344                                              wxEVT_GRID_EDITOR_CREATED,
8345                                              this,
8346                                              row,
8347                                              col,
8348                                              editor->GetControl());
8349                 GetEventHandler()->ProcessEvent(evt);
8350             }
8351
8352             // resize editor to overflow into righthand cells if allowed
8353             int maxWidth = rect.width;
8354             wxString value = GetCellValue(row, col);
8355             if ( (value != wxEmptyString) && (attr->GetOverflow()) )
8356             {
8357                 int y;
8358                 GetTextExtent(value, &maxWidth, &y, NULL, NULL, &attr->GetFont());
8359                 if (maxWidth < rect.width)
8360                     maxWidth = rect.width;
8361             }
8362
8363             int client_right = m_gridWin->GetClientSize().GetWidth();
8364             if (rect.x + maxWidth > client_right)
8365                 maxWidth = client_right - rect.x;
8366
8367             if ((maxWidth > rect.width) && (col < m_numCols) && m_table)
8368             {
8369                 GetCellSize( row, col, &cell_rows, &cell_cols );
8370                 // may have changed earlier
8371                 for (int i = col + cell_cols; i < m_numCols; i++)
8372                 {
8373                     int c_rows, c_cols;
8374                     GetCellSize( row, i, &c_rows, &c_cols );
8375
8376                     // looks weird going over a multicell
8377                     if (m_table->IsEmptyCell( row, i ) &&
8378                             (rect.width < maxWidth) && (c_rows == 1))
8379                     {
8380                         rect.width += GetColWidth( i );
8381                     }
8382                     else
8383                         break;
8384                 }
8385
8386                 if (rect.GetRight() > client_right)
8387                     rect.SetRight( client_right - 1 );
8388             }
8389
8390             editor->SetCellAttr( attr );
8391             editor->SetSize( rect );
8392             if (nXMove != 0)
8393                 editor->GetControl()->Move(
8394                     editor->GetControl()->GetPosition().x + nXMove,
8395                     editor->GetControl()->GetPosition().y );
8396             editor->Show( true, attr );
8397
8398             // recalc dimensions in case we need to
8399             // expand the scrolled window to account for editor
8400             CalcDimensions();
8401
8402             editor->BeginEdit(row, col, this);
8403             editor->SetCellAttr(NULL);
8404
8405             editor->DecRef();
8406             attr->DecRef();
8407         }
8408     }
8409 }
8410
8411 void wxGrid::HideCellEditControl()
8412 {
8413     if ( IsCellEditControlEnabled() )
8414     {
8415         int row = m_currentCellCoords.GetRow();
8416         int col = m_currentCellCoords.GetCol();
8417
8418         wxGridCellAttr *attr = GetCellAttr(row, col);
8419         wxGridCellEditor *editor = attr->GetEditor(this, row, col);
8420         editor->Show( false );
8421         editor->DecRef();
8422         attr->DecRef();
8423
8424         m_gridWin->SetFocus();
8425
8426         // refresh whole row to the right
8427         wxRect rect( CellToRect(row, col) );
8428         CalcScrolledPosition(rect.x, rect.y, &rect.x, &rect.y );
8429         rect.width = m_gridWin->GetClientSize().GetWidth() - rect.x;
8430
8431 #ifdef __WXMAC__
8432         // ensure that the pixels under the focus ring get refreshed as well
8433         rect.Inflate(10, 10);
8434 #endif
8435
8436         m_gridWin->Refresh( false, &rect );
8437     }
8438 }
8439
8440 void wxGrid::SaveEditControlValue()
8441 {
8442     if ( IsCellEditControlEnabled() )
8443     {
8444         int row = m_currentCellCoords.GetRow();
8445         int col = m_currentCellCoords.GetCol();
8446
8447         wxString oldval = GetCellValue(row, col);
8448
8449         wxGridCellAttr* attr = GetCellAttr(row, col);
8450         wxGridCellEditor* editor = attr->GetEditor(this, row, col);
8451         bool changed = editor->EndEdit(row, col, this);
8452
8453         editor->DecRef();
8454         attr->DecRef();
8455
8456         if (changed)
8457         {
8458             if ( SendEvent( wxEVT_GRID_CELL_CHANGE,
8459                        m_currentCellCoords.GetRow(),
8460                        m_currentCellCoords.GetCol() ) < 0 )
8461             {
8462                 // Event has been vetoed, set the data back.
8463                 SetCellValue(row, col, oldval);
8464             }
8465         }
8466     }
8467 }
8468
8469 //
8470 // ------ Grid location functions
8471 //  Note that all of these functions work with the logical coordinates of
8472 //  grid cells and labels so you will need to convert from device
8473 //  coordinates for mouse events etc.
8474 //
8475
8476 void wxGrid::XYToCell( int x, int y, wxGridCellCoords& coords )
8477 {
8478     int row = YToRow(y);
8479     int col = XToCol(x);
8480
8481     if ( row == -1 || col == -1 )
8482     {
8483         coords = wxGridNoCellCoords;
8484     }
8485     else
8486     {
8487         coords.Set( row, col );
8488     }
8489 }
8490
8491 // Internal Helper function for computing row or column from some
8492 // (unscrolled) coordinate value, using either
8493 // m_defaultRowHeight/m_defaultColWidth or binary search on array
8494 // of m_rowBottoms/m_ColRights to speed up the search!
8495
8496 static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
8497                            const wxArrayInt& BorderArray, int nMax,
8498                            bool clipToMinMax)
8499 {
8500     if (coord < 0)
8501         return clipToMinMax && (nMax > 0) ? 0 : -1;
8502
8503     if (!defaultDist)
8504         defaultDist = 1;
8505
8506     size_t i_max = coord / defaultDist,
8507            i_min = 0;
8508
8509     if (BorderArray.IsEmpty())
8510     {
8511         if ((int) i_max < nMax)
8512             return i_max;
8513         return clipToMinMax ? nMax - 1 : -1;
8514     }
8515
8516     if ( i_max >= BorderArray.GetCount())
8517     {
8518         i_max = BorderArray.GetCount() - 1;
8519     }
8520     else
8521     {
8522         if ( coord >= BorderArray[i_max])
8523         {
8524             i_min = i_max;
8525             if (minDist)
8526                 i_max = coord / minDist;
8527             else
8528                 i_max =  BorderArray.GetCount() - 1;
8529         }
8530
8531         if ( i_max >= BorderArray.GetCount())
8532             i_max = BorderArray.GetCount() - 1;
8533     }
8534
8535     if ( coord >= BorderArray[i_max])
8536         return clipToMinMax ? (int)i_max : -1;
8537     if ( coord < BorderArray[0] )
8538         return 0;
8539
8540     while ( i_max - i_min > 0 )
8541     {
8542         wxCHECK_MSG(BorderArray[i_min] <= coord && coord < BorderArray[i_max],
8543                     0, _T("wxGrid: internal error in CoordToRowOrCol"));
8544         if (coord >=  BorderArray[ i_max - 1])
8545             return i_max;
8546         else
8547             i_max--;
8548         int median = i_min + (i_max - i_min + 1) / 2;
8549         if (coord < BorderArray[median])
8550             i_max = median;
8551         else
8552             i_min = median;
8553     }
8554
8555     return i_max;
8556 }
8557
8558 int wxGrid::YToRow( int y )
8559 {
8560     return CoordToRowOrCol(y, m_defaultRowHeight,
8561                            m_minAcceptableRowHeight, m_rowBottoms, m_numRows, false);
8562 }
8563
8564 int wxGrid::XToCol( int x, bool clipToMinMax )
8565 {
8566     if (x < 0)
8567         return clipToMinMax && (m_numCols > 0) ? GetColAt( 0 ) : -1;
8568
8569     if (!m_defaultColWidth)
8570         m_defaultColWidth = 1;
8571
8572     int maxPos = x / m_defaultColWidth;
8573     int minPos = 0;
8574
8575     if (m_colRights.IsEmpty())
8576     {
8577         if(maxPos < m_numCols)
8578             return GetColAt( maxPos );
8579         return clipToMinMax ? GetColAt( m_numCols - 1 ) : -1;
8580     }
8581
8582     if ( maxPos >= m_numCols)
8583         maxPos = m_numCols - 1;
8584     else
8585     {
8586         if ( x >= m_colRights[GetColAt( maxPos )])
8587         {
8588             minPos = maxPos;
8589             if (m_minAcceptableColWidth)
8590                 maxPos = x / m_minAcceptableColWidth;
8591             else
8592                 maxPos =  m_numCols - 1;
8593         }
8594         if ( maxPos >= m_numCols)
8595             maxPos = m_numCols - 1;
8596     }
8597
8598     //X is beyond the last column
8599     if ( x >= m_colRights[GetColAt( maxPos )])
8600         return clipToMinMax ? GetColAt( maxPos ) : -1;
8601
8602     //X is before the first column
8603     if ( x < m_colRights[GetColAt( 0 )] )
8604         return GetColAt( 0 );
8605
8606     //Perform a binary search
8607     while ( maxPos - minPos > 0 )
8608     {
8609         wxCHECK_MSG(m_colRights[GetColAt( minPos )] <= x && x < m_colRights[GetColAt( maxPos )],
8610                     0, _T("wxGrid: internal error in XToCol"));
8611
8612         if (x >=  m_colRights[GetColAt( maxPos - 1 )])
8613             return GetColAt( maxPos );
8614         else
8615             maxPos--;
8616         int median = minPos + (maxPos - minPos + 1) / 2;
8617         if (x < m_colRights[GetColAt( median )])
8618             maxPos = median;
8619         else
8620             minPos = median;
8621     }
8622     return GetColAt( maxPos );
8623 }
8624
8625 // return the row number that that the y coord is near
8626 //  the edge of, or -1 if not near an edge.
8627 // coords can only possibly be near an edge if
8628 //    (a) the row/column is large enough to still allow for an "inner" area
8629 //        that is _not_ nead the edge (i.e., if the height/width is smaller
8630 //        than WXGRID_LABEL_EDGE_ZONE, coords are _never_ considered to be
8631 //        near the edge).
8632 //   and
8633 //    (b) resizing rows/columns (the thing for which edge detection is
8634 //        relevant at all) is enabled.
8635 //
8636 int wxGrid::YToEdgeOfRow( int y )
8637 {
8638     int i;
8639     i = internalYToRow(y);
8640
8641     if ( GetRowHeight(i) > WXGRID_LABEL_EDGE_ZONE && CanDragRowSize() )
8642     {
8643         // We know that we are in row i, test whether we are
8644         // close enough to lower or upper border, respectively.
8645         if ( abs(GetRowBottom(i) - y) < WXGRID_LABEL_EDGE_ZONE )
8646             return i;
8647         else if ( i > 0 && y - GetRowTop(i) < WXGRID_LABEL_EDGE_ZONE )
8648             return i - 1;
8649     }
8650
8651     return -1;
8652 }
8653
8654 // return the col number that that the x coord is near the edge of, or
8655 // -1 if not near an edge
8656 // See comment at YToEdgeOfRow for conditions on edge detection.
8657 //
8658 int wxGrid::XToEdgeOfCol( int x )
8659 {
8660     int i;
8661     i = internalXToCol(x);
8662
8663     if ( GetColWidth(i) > WXGRID_LABEL_EDGE_ZONE && CanDragColSize() )
8664     {
8665         // We know that we are in column i; test whether we are
8666         // close enough to right or left border, respectively.
8667         if ( abs(GetColRight(i) - x) < WXGRID_LABEL_EDGE_ZONE )
8668             return i;
8669         else if ( i > 0 && x - GetColLeft(i) < WXGRID_LABEL_EDGE_ZONE )
8670             return i - 1;
8671     }
8672
8673     return -1;
8674 }
8675
8676 wxRect wxGrid::CellToRect( int row, int col )
8677 {
8678     wxRect rect( -1, -1, -1, -1 );
8679
8680     if ( row >= 0 && row < m_numRows &&
8681          col >= 0 && col < m_numCols )
8682     {
8683         int i, cell_rows, cell_cols;
8684         rect.width = rect.height = 0;
8685         GetCellSize( row, col, &cell_rows, &cell_cols );
8686         // if negative then find multicell owner
8687         if (cell_rows < 0)
8688             row += cell_rows;
8689         if (cell_cols < 0)
8690              col += cell_cols;
8691         GetCellSize( row, col, &cell_rows, &cell_cols );
8692
8693         rect.x = GetColLeft(col);
8694         rect.y = GetRowTop(row);
8695         for (i=col; i < col + cell_cols; i++)
8696             rect.width += GetColWidth(i);
8697         for (i=row; i < row + cell_rows; i++)
8698             rect.height += GetRowHeight(i);
8699     }
8700
8701     // if grid lines are enabled, then the area of the cell is a bit smaller
8702     if (m_gridLinesEnabled)
8703     {
8704         rect.width -= 1;
8705         rect.height -= 1;
8706     }
8707
8708     return rect;
8709 }
8710
8711 bool wxGrid::IsVisible( int row, int col, bool wholeCellVisible )
8712 {
8713     // get the cell rectangle in logical coords
8714     //
8715     wxRect r( CellToRect( row, col ) );
8716
8717     // convert to device coords
8718     //
8719     int left, top, right, bottom;
8720     CalcScrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
8721     CalcScrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
8722
8723     // check against the client area of the grid window
8724     int cw, ch;
8725     m_gridWin->GetClientSize( &cw, &ch );
8726
8727     if ( wholeCellVisible )
8728     {
8729         // is the cell wholly visible ?
8730         return ( left >= 0 && right <= cw &&
8731                  top >= 0 && bottom <= ch );
8732     }
8733     else
8734     {
8735         // is the cell partly visible ?
8736         //
8737         return ( ((left >= 0 && left < cw) || (right > 0 && right <= cw)) &&
8738                  ((top >= 0 && top < ch) || (bottom > 0 && bottom <= ch)) );
8739     }
8740 }
8741
8742 // make the specified cell location visible by doing a minimal amount
8743 // of scrolling
8744 //
8745 void wxGrid::MakeCellVisible( int row, int col )
8746 {
8747     int i;
8748     int xpos = -1, ypos = -1;
8749
8750     if ( row >= 0 && row < m_numRows &&
8751          col >= 0 && col < m_numCols )
8752     {
8753         // get the cell rectangle in logical coords
8754         wxRect r( CellToRect( row, col ) );
8755
8756         // convert to device coords
8757         int left, top, right, bottom;
8758         CalcScrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
8759         CalcScrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
8760
8761         int cw, ch;
8762         m_gridWin->GetClientSize( &cw, &ch );
8763
8764         if ( top < 0 )
8765         {
8766             ypos = r.GetTop();
8767         }
8768         else if ( bottom > ch )
8769         {
8770             int h = r.GetHeight();
8771             ypos = r.GetTop();
8772             for ( i = row - 1; i >= 0; i-- )
8773             {
8774                 int rowHeight = GetRowHeight(i);
8775                 if ( h + rowHeight > ch )
8776                     break;
8777
8778                 h += rowHeight;
8779                 ypos -= rowHeight;
8780             }
8781
8782             // we divide it later by GRID_SCROLL_LINE, make sure that we don't
8783             // have rounding errors (this is important, because if we do,
8784             // we might not scroll at all and some cells won't be redrawn)
8785             //
8786             // Sometimes GRID_SCROLL_LINE / 2 is not enough,
8787             // so just add a full scroll unit...
8788             ypos += m_scrollLineY;
8789         }
8790
8791         // special handling for wide cells - show always left part of the cell!
8792         // Otherwise, e.g. when stepping from row to row, it would jump between
8793         // left and right part of the cell on every step!
8794 //      if ( left < 0 )
8795         if ( left < 0 || (right - left) >= cw )
8796         {
8797             xpos = r.GetLeft();
8798         }
8799         else if ( right > cw )
8800         {
8801             // position the view so that the cell is on the right
8802             int x0, y0;
8803             CalcUnscrolledPosition(0, 0, &x0, &y0);
8804             xpos = x0 + (right - cw);
8805
8806             // see comment for ypos above
8807             xpos += m_scrollLineX;
8808         }
8809
8810         if ( xpos != -1 || ypos != -1 )
8811         {
8812             if ( xpos != -1 )
8813                 xpos /= m_scrollLineX;
8814             if ( ypos != -1 )
8815                 ypos /= m_scrollLineY;
8816             Scroll( xpos, ypos );
8817             AdjustScrollbars();
8818         }
8819     }
8820 }
8821
8822 //
8823 // ------ Grid cursor movement functions
8824 //
8825
8826 bool wxGrid::MoveCursorUp( bool expandSelection )
8827 {
8828     if ( m_currentCellCoords != wxGridNoCellCoords &&
8829          m_currentCellCoords.GetRow() >= 0 )
8830     {
8831         if ( expandSelection )
8832         {
8833             if ( m_selectingKeyboard == wxGridNoCellCoords )
8834                 m_selectingKeyboard = m_currentCellCoords;
8835             if ( m_selectingKeyboard.GetRow() > 0 )
8836             {
8837                 m_selectingKeyboard.SetRow( m_selectingKeyboard.GetRow() - 1 );
8838                 MakeCellVisible( m_selectingKeyboard.GetRow(),
8839                                  m_selectingKeyboard.GetCol() );
8840                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
8841             }
8842         }
8843         else if ( m_currentCellCoords.GetRow() > 0 )
8844         {
8845             int row = m_currentCellCoords.GetRow() - 1;
8846             int col = m_currentCellCoords.GetCol();
8847             ClearSelection();
8848             MakeCellVisible( row, col );
8849             SetCurrentCell( row, col );
8850         }
8851         else
8852             return false;
8853
8854         return true;
8855     }
8856
8857     return false;
8858 }
8859
8860 bool wxGrid::MoveCursorDown( bool expandSelection )
8861 {
8862     if ( m_currentCellCoords != wxGridNoCellCoords &&
8863          m_currentCellCoords.GetRow() < m_numRows )
8864     {
8865         if ( expandSelection )
8866         {
8867             if ( m_selectingKeyboard == wxGridNoCellCoords )
8868                 m_selectingKeyboard = m_currentCellCoords;
8869             if ( m_selectingKeyboard.GetRow() < m_numRows - 1 )
8870             {
8871                 m_selectingKeyboard.SetRow( m_selectingKeyboard.GetRow() + 1 );
8872                 MakeCellVisible( m_selectingKeyboard.GetRow(),
8873                         m_selectingKeyboard.GetCol() );
8874                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
8875             }
8876         }
8877         else if ( m_currentCellCoords.GetRow() < m_numRows - 1 )
8878         {
8879             int row = m_currentCellCoords.GetRow() + 1;
8880             int col = m_currentCellCoords.GetCol();
8881             ClearSelection();
8882             MakeCellVisible( row, col );
8883             SetCurrentCell( row, col );
8884         }
8885         else
8886             return false;
8887
8888         return true;
8889     }
8890
8891     return false;
8892 }
8893
8894 bool wxGrid::MoveCursorLeft( bool expandSelection )
8895 {
8896     if ( m_currentCellCoords != wxGridNoCellCoords &&
8897          m_currentCellCoords.GetCol() >= 0 )
8898     {
8899         if ( expandSelection )
8900         {
8901             if ( m_selectingKeyboard == wxGridNoCellCoords )
8902                 m_selectingKeyboard = m_currentCellCoords;
8903             if ( m_selectingKeyboard.GetCol() > 0 )
8904             {
8905                 m_selectingKeyboard.SetCol( m_selectingKeyboard.GetCol() - 1 );
8906                 MakeCellVisible( m_selectingKeyboard.GetRow(),
8907                         m_selectingKeyboard.GetCol() );
8908                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
8909             }
8910         }
8911         else if ( GetColPos( m_currentCellCoords.GetCol() ) > 0 )
8912         {
8913             int row = m_currentCellCoords.GetRow();
8914             int col = GetColAt( GetColPos( m_currentCellCoords.GetCol() ) - 1 );
8915             ClearSelection();
8916
8917             MakeCellVisible( row, col );
8918             SetCurrentCell( row, col );
8919         }
8920         else
8921             return false;
8922
8923         return true;
8924     }
8925
8926     return false;
8927 }
8928
8929 bool wxGrid::MoveCursorRight( bool expandSelection )
8930 {
8931     if ( m_currentCellCoords != wxGridNoCellCoords &&
8932          m_currentCellCoords.GetCol() < m_numCols )
8933     {
8934         if ( expandSelection )
8935         {
8936             if ( m_selectingKeyboard == wxGridNoCellCoords )
8937                 m_selectingKeyboard = m_currentCellCoords;
8938             if ( m_selectingKeyboard.GetCol() < m_numCols - 1 )
8939             {
8940                 m_selectingKeyboard.SetCol( m_selectingKeyboard.GetCol() + 1 );
8941                 MakeCellVisible( m_selectingKeyboard.GetRow(),
8942                         m_selectingKeyboard.GetCol() );
8943                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
8944             }
8945         }
8946         else if ( GetColPos( m_currentCellCoords.GetCol() ) < m_numCols - 1 )
8947         {
8948             int row = m_currentCellCoords.GetRow();
8949             int col = GetColAt( GetColPos( m_currentCellCoords.GetCol() ) + 1 );
8950             ClearSelection();
8951
8952             MakeCellVisible( row, col );
8953             SetCurrentCell( row, col );
8954         }
8955         else
8956             return false;
8957
8958         return true;
8959     }
8960
8961     return false;
8962 }
8963
8964 bool wxGrid::MovePageUp()
8965 {
8966     if ( m_currentCellCoords == wxGridNoCellCoords )
8967         return false;
8968
8969     int row = m_currentCellCoords.GetRow();
8970     if ( row > 0 )
8971     {
8972         int cw, ch;
8973         m_gridWin->GetClientSize( &cw, &ch );
8974
8975         int y = GetRowTop(row);
8976         int newRow = internalYToRow( y - ch + 1 );
8977
8978         if ( newRow == row )
8979         {
8980             // row > 0, so newRow can never be less than 0 here.
8981             newRow = row - 1;
8982         }
8983
8984         MakeCellVisible( newRow, m_currentCellCoords.GetCol() );
8985         SetCurrentCell( newRow, m_currentCellCoords.GetCol() );
8986
8987         return true;
8988     }
8989
8990     return false;
8991 }
8992
8993 bool wxGrid::MovePageDown()
8994 {
8995     if ( m_currentCellCoords == wxGridNoCellCoords )
8996         return false;
8997
8998     int row = m_currentCellCoords.GetRow();
8999     if ( (row + 1) < m_numRows )
9000     {
9001         int cw, ch;
9002         m_gridWin->GetClientSize( &cw, &ch );
9003
9004         int y = GetRowTop(row);
9005         int newRow = internalYToRow( y + ch );
9006         if ( newRow == row )
9007         {
9008             // row < m_numRows, so newRow can't overflow here.
9009             newRow = row + 1;
9010         }
9011
9012         MakeCellVisible( newRow, m_currentCellCoords.GetCol() );
9013         SetCurrentCell( newRow, m_currentCellCoords.GetCol() );
9014
9015         return true;
9016     }
9017
9018     return false;
9019 }
9020
9021 bool wxGrid::MoveCursorUpBlock( bool expandSelection )
9022 {
9023     if ( m_table &&
9024          m_currentCellCoords != wxGridNoCellCoords &&
9025          m_currentCellCoords.GetRow() > 0 )
9026     {
9027         int row = m_currentCellCoords.GetRow();
9028         int col = m_currentCellCoords.GetCol();
9029
9030         if ( m_table->IsEmptyCell(row, col) )
9031         {
9032             // starting in an empty cell: find the next block of
9033             // non-empty cells
9034             //
9035             while ( row > 0 )
9036             {
9037                 row--;
9038                 if ( !(m_table->IsEmptyCell(row, col)) )
9039                     break;
9040             }
9041         }
9042         else if ( m_table->IsEmptyCell(row - 1, col) )
9043         {
9044             // starting at the top of a block: find the next block
9045             //
9046             row--;
9047             while ( row > 0 )
9048             {
9049                 row--;
9050                 if ( !(m_table->IsEmptyCell(row, col)) )
9051                     break;
9052             }
9053         }
9054         else
9055         {
9056             // starting within a block: find the top of the block
9057             //
9058             while ( row > 0 )
9059             {
9060                 row--;
9061                 if ( m_table->IsEmptyCell(row, col) )
9062                 {
9063                     row++;
9064                     break;
9065                 }
9066             }
9067         }
9068
9069         MakeCellVisible( row, col );
9070         if ( expandSelection )
9071         {
9072             m_selectingKeyboard = wxGridCellCoords( row, col );
9073             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
9074         }
9075         else
9076         {
9077             ClearSelection();
9078             SetCurrentCell( row, col );
9079         }
9080
9081         return true;
9082     }
9083
9084     return false;
9085 }
9086
9087 bool wxGrid::MoveCursorDownBlock( bool expandSelection )
9088 {
9089     if ( m_table &&
9090          m_currentCellCoords != wxGridNoCellCoords &&
9091          m_currentCellCoords.GetRow() < m_numRows - 1 )
9092     {
9093         int row = m_currentCellCoords.GetRow();
9094         int col = m_currentCellCoords.GetCol();
9095
9096         if ( m_table->IsEmptyCell(row, col) )
9097         {
9098             // starting in an empty cell: find the next block of
9099             // non-empty cells
9100             //
9101             while ( row < m_numRows - 1 )
9102             {
9103                 row++;
9104                 if ( !(m_table->IsEmptyCell(row, col)) )
9105                     break;
9106             }
9107         }
9108         else if ( m_table->IsEmptyCell(row + 1, col) )
9109         {
9110             // starting at the bottom of a block: find the next block
9111             //
9112             row++;
9113             while ( row < m_numRows - 1 )
9114             {
9115                 row++;
9116                 if ( !(m_table->IsEmptyCell(row, col)) )
9117                     break;
9118             }
9119         }
9120         else
9121         {
9122             // starting within a block: find the bottom of the block
9123             //
9124             while ( row < m_numRows - 1 )
9125             {
9126                 row++;
9127                 if ( m_table->IsEmptyCell(row, col) )
9128                 {
9129                     row--;
9130                     break;
9131                 }
9132             }
9133         }
9134
9135         MakeCellVisible( row, col );
9136         if ( expandSelection )
9137         {
9138             m_selectingKeyboard = wxGridCellCoords( row, col );
9139             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
9140         }
9141         else
9142         {
9143             ClearSelection();
9144             SetCurrentCell( row, col );
9145         }
9146
9147         return true;
9148     }
9149
9150     return false;
9151 }
9152
9153 bool wxGrid::MoveCursorLeftBlock( bool expandSelection )
9154 {
9155     if ( m_table &&
9156          m_currentCellCoords != wxGridNoCellCoords &&
9157          m_currentCellCoords.GetCol() > 0 )
9158     {
9159         int row = m_currentCellCoords.GetRow();
9160         int col = m_currentCellCoords.GetCol();
9161
9162         if ( m_table->IsEmptyCell(row, col) )
9163         {
9164             // starting in an empty cell: find the next block of
9165             // non-empty cells
9166             //
9167             while ( col > 0 )
9168             {
9169                 col--;
9170                 if ( !(m_table->IsEmptyCell(row, col)) )
9171                     break;
9172             }
9173         }
9174         else if ( m_table->IsEmptyCell(row, col - 1) )
9175         {
9176             // starting at the left of a block: find the next block
9177             //
9178             col--;
9179             while ( col > 0 )
9180             {
9181                 col--;
9182                 if ( !(m_table->IsEmptyCell(row, col)) )
9183                     break;
9184             }
9185         }
9186         else
9187         {
9188             // starting within a block: find the left of the block
9189             //
9190             while ( col > 0 )
9191             {
9192                 col--;
9193                 if ( m_table->IsEmptyCell(row, col) )
9194                 {
9195                     col++;
9196                     break;
9197                 }
9198             }
9199         }
9200
9201         MakeCellVisible( row, col );
9202         if ( expandSelection )
9203         {
9204             m_selectingKeyboard = wxGridCellCoords( row, col );
9205             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
9206         }
9207         else
9208         {
9209             ClearSelection();
9210             SetCurrentCell( row, col );
9211         }
9212
9213         return true;
9214     }
9215
9216     return false;
9217 }
9218
9219 bool wxGrid::MoveCursorRightBlock( bool expandSelection )
9220 {
9221     if ( m_table &&
9222          m_currentCellCoords != wxGridNoCellCoords &&
9223          m_currentCellCoords.GetCol() < m_numCols - 1 )
9224     {
9225         int row = m_currentCellCoords.GetRow();
9226         int col = m_currentCellCoords.GetCol();
9227
9228         if ( m_table->IsEmptyCell(row, col) )
9229         {
9230             // starting in an empty cell: find the next block of
9231             // non-empty cells
9232             //
9233             while ( col < m_numCols - 1 )
9234             {
9235                 col++;
9236                 if ( !(m_table->IsEmptyCell(row, col)) )
9237                     break;
9238             }
9239         }
9240         else if ( m_table->IsEmptyCell(row, col + 1) )
9241         {
9242             // starting at the right of a block: find the next block
9243             //
9244             col++;
9245             while ( col < m_numCols - 1 )
9246             {
9247                 col++;
9248                 if ( !(m_table->IsEmptyCell(row, col)) )
9249                     break;
9250             }
9251         }
9252         else
9253         {
9254             // starting within a block: find the right of the block
9255             //
9256             while ( col < m_numCols - 1 )
9257             {
9258                 col++;
9259                 if ( m_table->IsEmptyCell(row, col) )
9260                 {
9261                     col--;
9262                     break;
9263                 }
9264             }
9265         }
9266
9267         MakeCellVisible( row, col );
9268         if ( expandSelection )
9269         {
9270             m_selectingKeyboard = wxGridCellCoords( row, col );
9271             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
9272         }
9273         else
9274         {
9275             ClearSelection();
9276             SetCurrentCell( row, col );
9277         }
9278
9279         return true;
9280     }
9281
9282     return false;
9283 }
9284
9285 //
9286 // ------ Label values and formatting
9287 //
9288
9289 void wxGrid::GetRowLabelAlignment( int *horiz, int *vert )
9290 {
9291     if ( horiz )
9292         *horiz = m_rowLabelHorizAlign;
9293     if ( vert )
9294         *vert  = m_rowLabelVertAlign;
9295 }
9296
9297 void wxGrid::GetColLabelAlignment( int *horiz, int *vert )
9298 {
9299     if ( horiz )
9300         *horiz = m_colLabelHorizAlign;
9301     if ( vert )
9302         *vert  = m_colLabelVertAlign;
9303 }
9304
9305 int wxGrid::GetColLabelTextOrientation()
9306 {
9307     return m_colLabelTextOrientation;
9308 }
9309
9310 wxString wxGrid::GetRowLabelValue( int row )
9311 {
9312     if ( m_table )
9313     {
9314         return m_table->GetRowLabelValue( row );
9315     }
9316     else
9317     {
9318         wxString s;
9319         s << row;
9320         return s;
9321     }
9322 }
9323
9324 wxString wxGrid::GetColLabelValue( int col )
9325 {
9326     if ( m_table )
9327     {
9328         return m_table->GetColLabelValue( col );
9329     }
9330     else
9331     {
9332         wxString s;
9333         s << col;
9334         return s;
9335     }
9336 }
9337
9338 void wxGrid::SetRowLabelSize( int width )
9339 {
9340     width = wxMax( width, 0 );
9341     if ( width != m_rowLabelWidth )
9342     {
9343         if ( width == 0 )
9344         {
9345             m_rowLabelWin->Show( false );
9346             m_cornerLabelWin->Show( false );
9347         }
9348         else if ( m_rowLabelWidth == 0 )
9349         {
9350             m_rowLabelWin->Show( true );
9351             if ( m_colLabelHeight > 0 )
9352                 m_cornerLabelWin->Show( true );
9353         }
9354
9355         m_rowLabelWidth = width;
9356         CalcWindowSizes();
9357         wxScrolledWindow::Refresh( true );
9358     }
9359 }
9360
9361 void wxGrid::SetColLabelSize( int height )
9362 {
9363     height = wxMax( height, 0 );
9364     if ( height != m_colLabelHeight )
9365     {
9366         if ( height == 0 )
9367         {
9368             m_colLabelWin->Show( false );
9369             m_cornerLabelWin->Show( false );
9370         }
9371         else if ( m_colLabelHeight == 0 )
9372         {
9373             m_colLabelWin->Show( true );
9374             if ( m_rowLabelWidth > 0 )
9375                 m_cornerLabelWin->Show( true );
9376         }
9377
9378         m_colLabelHeight = height;
9379         CalcWindowSizes();
9380         wxScrolledWindow::Refresh( true );
9381     }
9382 }
9383
9384 void wxGrid::SetLabelBackgroundColour( const wxColour& colour )
9385 {
9386     if ( m_labelBackgroundColour != colour )
9387     {
9388         m_labelBackgroundColour = colour;
9389         m_rowLabelWin->SetBackgroundColour( colour );
9390         m_colLabelWin->SetBackgroundColour( colour );
9391         m_cornerLabelWin->SetBackgroundColour( colour );
9392
9393         if ( !GetBatchCount() )
9394         {
9395             m_rowLabelWin->Refresh();
9396             m_colLabelWin->Refresh();
9397             m_cornerLabelWin->Refresh();
9398         }
9399     }
9400 }
9401
9402 void wxGrid::SetLabelTextColour( const wxColour& colour )
9403 {
9404     if ( m_labelTextColour != colour )
9405     {
9406         m_labelTextColour = colour;
9407         if ( !GetBatchCount() )
9408         {
9409             m_rowLabelWin->Refresh();
9410             m_colLabelWin->Refresh();
9411         }
9412     }
9413 }
9414
9415 void wxGrid::SetLabelFont( const wxFont& font )
9416 {
9417     m_labelFont = font;
9418     if ( !GetBatchCount() )
9419     {
9420         m_rowLabelWin->Refresh();
9421         m_colLabelWin->Refresh();
9422     }
9423 }
9424
9425 void wxGrid::SetRowLabelAlignment( int horiz, int vert )
9426 {
9427     // allow old (incorrect) defs to be used
9428     switch ( horiz )
9429     {
9430         case wxLEFT:   horiz = wxALIGN_LEFT; break;
9431         case wxRIGHT:  horiz = wxALIGN_RIGHT; break;
9432         case wxCENTRE: horiz = wxALIGN_CENTRE; break;
9433     }
9434
9435     switch ( vert )
9436     {
9437         case wxTOP:    vert = wxALIGN_TOP;    break;
9438         case wxBOTTOM: vert = wxALIGN_BOTTOM; break;
9439         case wxCENTRE: vert = wxALIGN_CENTRE; break;
9440     }
9441
9442     if ( horiz == wxALIGN_LEFT || horiz == wxALIGN_CENTRE || horiz == wxALIGN_RIGHT )
9443     {
9444         m_rowLabelHorizAlign = horiz;
9445     }
9446
9447     if ( vert == wxALIGN_TOP || vert == wxALIGN_CENTRE || vert == wxALIGN_BOTTOM )
9448     {
9449         m_rowLabelVertAlign = vert;
9450     }
9451
9452     if ( !GetBatchCount() )
9453     {
9454         m_rowLabelWin->Refresh();
9455     }
9456 }
9457
9458 void wxGrid::SetColLabelAlignment( int horiz, int vert )
9459 {
9460     // allow old (incorrect) defs to be used
9461     switch ( horiz )
9462     {
9463         case wxLEFT:   horiz = wxALIGN_LEFT; break;
9464         case wxRIGHT:  horiz = wxALIGN_RIGHT; break;
9465         case wxCENTRE: horiz = wxALIGN_CENTRE; break;
9466     }
9467
9468     switch ( vert )
9469     {
9470         case wxTOP:    vert = wxALIGN_TOP;    break;
9471         case wxBOTTOM: vert = wxALIGN_BOTTOM; break;
9472         case wxCENTRE: vert = wxALIGN_CENTRE; break;
9473     }
9474
9475     if ( horiz == wxALIGN_LEFT || horiz == wxALIGN_CENTRE || horiz == wxALIGN_RIGHT )
9476     {
9477         m_colLabelHorizAlign = horiz;
9478     }
9479
9480     if ( vert == wxALIGN_TOP || vert == wxALIGN_CENTRE || vert == wxALIGN_BOTTOM )
9481     {
9482         m_colLabelVertAlign = vert;
9483     }
9484
9485     if ( !GetBatchCount() )
9486     {
9487         m_colLabelWin->Refresh();
9488     }
9489 }
9490
9491 // Note: under MSW, the default column label font must be changed because it
9492 //       does not support vertical printing
9493 //
9494 // Example: wxFont font(9, wxSWISS, wxNORMAL, wxBOLD);
9495 //                      pGrid->SetLabelFont(font);
9496 //                      pGrid->SetColLabelTextOrientation(wxVERTICAL);
9497 //
9498 void wxGrid::SetColLabelTextOrientation( int textOrientation )
9499 {
9500     if ( textOrientation == wxHORIZONTAL || textOrientation == wxVERTICAL )
9501         m_colLabelTextOrientation = textOrientation;
9502
9503     if ( !GetBatchCount() )
9504         m_colLabelWin->Refresh();
9505 }
9506
9507 void wxGrid::SetRowLabelValue( int row, const wxString& s )
9508 {
9509     if ( m_table )
9510     {
9511         m_table->SetRowLabelValue( row, s );
9512         if ( !GetBatchCount() )
9513         {
9514             wxRect rect = CellToRect( row, 0 );
9515             if ( rect.height > 0 )
9516             {
9517                 CalcScrolledPosition(0, rect.y, &rect.x, &rect.y);
9518                 rect.x = 0;
9519                 rect.width = m_rowLabelWidth;
9520                 m_rowLabelWin->Refresh( true, &rect );
9521             }
9522         }
9523     }
9524 }
9525
9526 void wxGrid::SetColLabelValue( int col, const wxString& s )
9527 {
9528     if ( m_table )
9529     {
9530         m_table->SetColLabelValue( col, s );
9531         if ( !GetBatchCount() )
9532         {
9533             wxRect rect = CellToRect( 0, col );
9534             if ( rect.width > 0 )
9535             {
9536                 CalcScrolledPosition(rect.x, 0, &rect.x, &rect.y);
9537                 rect.y = 0;
9538                 rect.height = m_colLabelHeight;
9539                 m_colLabelWin->Refresh( true, &rect );
9540             }
9541         }
9542     }
9543 }
9544
9545 void wxGrid::SetGridLineColour( const wxColour& colour )
9546 {
9547     if ( m_gridLineColour != colour )
9548     {
9549         m_gridLineColour = colour;
9550
9551         wxClientDC dc( m_gridWin );
9552         PrepareDC( dc );
9553         DrawAllGridLines( dc, wxRegion() );
9554     }
9555 }
9556
9557 void wxGrid::SetCellHighlightColour( const wxColour& colour )
9558 {
9559     if ( m_cellHighlightColour != colour )
9560     {
9561         m_cellHighlightColour = colour;
9562
9563         wxClientDC dc( m_gridWin );
9564         PrepareDC( dc );
9565         wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords);
9566         DrawCellHighlight(dc, attr);
9567         attr->DecRef();
9568     }
9569 }
9570
9571 void wxGrid::SetCellHighlightPenWidth(int width)
9572 {
9573     if (m_cellHighlightPenWidth != width)
9574     {
9575         m_cellHighlightPenWidth = width;
9576
9577         // Just redrawing the cell highlight is not enough since that won't
9578         // make any visible change if the the thickness is getting smaller.
9579         int row = m_currentCellCoords.GetRow();
9580         int col = m_currentCellCoords.GetCol();
9581         if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
9582             return;
9583
9584         wxRect rect = CellToRect(row, col);
9585         m_gridWin->Refresh(true, &rect);
9586     }
9587 }
9588
9589 void wxGrid::SetCellHighlightROPenWidth(int width)
9590 {
9591     if (m_cellHighlightROPenWidth != width)
9592     {
9593         m_cellHighlightROPenWidth = width;
9594
9595         // Just redrawing the cell highlight is not enough since that won't
9596         // make any visible change if the the thickness is getting smaller.
9597         int row = m_currentCellCoords.GetRow();
9598         int col = m_currentCellCoords.GetCol();
9599         if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
9600             return;
9601
9602         wxRect rect = CellToRect(row, col);
9603         m_gridWin->Refresh(true, &rect);
9604     }
9605 }
9606
9607 void wxGrid::EnableGridLines( bool enable )
9608 {
9609     if ( enable != m_gridLinesEnabled )
9610     {
9611         m_gridLinesEnabled = enable;
9612
9613         if ( !GetBatchCount() )
9614         {
9615             if ( enable )
9616             {
9617                 wxClientDC dc( m_gridWin );
9618                 PrepareDC( dc );
9619                 DrawAllGridLines( dc, wxRegion() );
9620             }
9621             else
9622             {
9623                 m_gridWin->Refresh();
9624             }
9625         }
9626     }
9627 }
9628
9629 int wxGrid::GetDefaultRowSize()
9630 {
9631     return m_defaultRowHeight;
9632 }
9633
9634 int wxGrid::GetRowSize( int row )
9635 {
9636     wxCHECK_MSG( row >= 0 && row < m_numRows, 0, _T("invalid row index") );
9637
9638     return GetRowHeight(row);
9639 }
9640
9641 int wxGrid::GetDefaultColSize()
9642 {
9643     return m_defaultColWidth;
9644 }
9645
9646 int wxGrid::GetColSize( int col )
9647 {
9648     wxCHECK_MSG( col >= 0 && col < m_numCols, 0, _T("invalid column index") );
9649
9650     return GetColWidth(col);
9651 }
9652
9653 // ============================================================================
9654 // access to the grid attributes: each of them has a default value in the grid
9655 // itself and may be overidden on a per-cell basis
9656 // ============================================================================
9657
9658 // ----------------------------------------------------------------------------
9659 // setting default attributes
9660 // ----------------------------------------------------------------------------
9661
9662 void wxGrid::SetDefaultCellBackgroundColour( const wxColour& col )
9663 {
9664     m_defaultCellAttr->SetBackgroundColour(col);
9665 #ifdef __WXGTK__
9666     m_gridWin->SetBackgroundColour(col);
9667 #endif
9668 }
9669
9670 void wxGrid::SetDefaultCellTextColour( const wxColour& col )
9671 {
9672     m_defaultCellAttr->SetTextColour(col);
9673 }
9674
9675 void wxGrid::SetDefaultCellAlignment( int horiz, int vert )
9676 {
9677     m_defaultCellAttr->SetAlignment(horiz, vert);
9678 }
9679
9680 void wxGrid::SetDefaultCellOverflow( bool allow )
9681 {
9682     m_defaultCellAttr->SetOverflow(allow);
9683 }
9684
9685 void wxGrid::SetDefaultCellFont( const wxFont& font )
9686 {
9687     m_defaultCellAttr->SetFont(font);
9688 }
9689
9690 // For editors and renderers the type registry takes precedence over the
9691 // default attr, so we need to register the new editor/renderer for the string
9692 // data type in order to make setting a default editor/renderer appear to
9693 // work correctly.
9694
9695 void wxGrid::SetDefaultRenderer(wxGridCellRenderer *renderer)
9696 {
9697     RegisterDataType(wxGRID_VALUE_STRING,
9698                      renderer,
9699                      GetDefaultEditorForType(wxGRID_VALUE_STRING));
9700 }
9701
9702 void wxGrid::SetDefaultEditor(wxGridCellEditor *editor)
9703 {
9704     RegisterDataType(wxGRID_VALUE_STRING,
9705                      GetDefaultRendererForType(wxGRID_VALUE_STRING),
9706                      editor);
9707 }
9708
9709 // ----------------------------------------------------------------------------
9710 // access to the default attrbiutes
9711 // ----------------------------------------------------------------------------
9712
9713 wxColour wxGrid::GetDefaultCellBackgroundColour()
9714 {
9715     return m_defaultCellAttr->GetBackgroundColour();
9716 }
9717
9718 wxColour wxGrid::GetDefaultCellTextColour()
9719 {
9720     return m_defaultCellAttr->GetTextColour();
9721 }
9722
9723 wxFont wxGrid::GetDefaultCellFont()
9724 {
9725     return m_defaultCellAttr->GetFont();
9726 }
9727
9728 void wxGrid::GetDefaultCellAlignment( int *horiz, int *vert )
9729 {
9730     m_defaultCellAttr->GetAlignment(horiz, vert);
9731 }
9732
9733 bool wxGrid::GetDefaultCellOverflow()
9734 {
9735     return m_defaultCellAttr->GetOverflow();
9736 }
9737
9738 wxGridCellRenderer *wxGrid::GetDefaultRenderer() const
9739 {
9740     return m_defaultCellAttr->GetRenderer(NULL, 0, 0);
9741 }
9742
9743 wxGridCellEditor *wxGrid::GetDefaultEditor() const
9744 {
9745     return m_defaultCellAttr->GetEditor(NULL, 0, 0);
9746 }
9747
9748 // ----------------------------------------------------------------------------
9749 // access to cell attributes
9750 // ----------------------------------------------------------------------------
9751
9752 wxColour wxGrid::GetCellBackgroundColour(int row, int col)
9753 {
9754     wxGridCellAttr *attr = GetCellAttr(row, col);
9755     wxColour colour = attr->GetBackgroundColour();
9756     attr->DecRef();
9757
9758     return colour;
9759 }
9760
9761 wxColour wxGrid::GetCellTextColour( int row, int col )
9762 {
9763     wxGridCellAttr *attr = GetCellAttr(row, col);
9764     wxColour colour = attr->GetTextColour();
9765     attr->DecRef();
9766
9767     return colour;
9768 }
9769
9770 wxFont wxGrid::GetCellFont( int row, int col )
9771 {
9772     wxGridCellAttr *attr = GetCellAttr(row, col);
9773     wxFont font = attr->GetFont();
9774     attr->DecRef();
9775
9776     return font;
9777 }
9778
9779 void wxGrid::GetCellAlignment( int row, int col, int *horiz, int *vert )
9780 {
9781     wxGridCellAttr *attr = GetCellAttr(row, col);
9782     attr->GetAlignment(horiz, vert);
9783     attr->DecRef();
9784 }
9785
9786 bool wxGrid::GetCellOverflow( int row, int col )
9787 {
9788     wxGridCellAttr *attr = GetCellAttr(row, col);
9789     bool allow = attr->GetOverflow();
9790     attr->DecRef();
9791
9792     return allow;
9793 }
9794
9795 void wxGrid::GetCellSize( int row, int col, int *num_rows, int *num_cols )
9796 {
9797     wxGridCellAttr *attr = GetCellAttr(row, col);
9798     attr->GetSize( num_rows, num_cols );
9799     attr->DecRef();
9800 }
9801
9802 wxGridCellRenderer* wxGrid::GetCellRenderer(int row, int col)
9803 {
9804     wxGridCellAttr* attr = GetCellAttr(row, col);
9805     wxGridCellRenderer* renderer = attr->GetRenderer(this, row, col);
9806     attr->DecRef();
9807
9808     return renderer;
9809 }
9810
9811 wxGridCellEditor* wxGrid::GetCellEditor(int row, int col)
9812 {
9813     wxGridCellAttr* attr = GetCellAttr(row, col);
9814     wxGridCellEditor* editor = attr->GetEditor(this, row, col);
9815     attr->DecRef();
9816
9817     return editor;
9818 }
9819
9820 bool wxGrid::IsReadOnly(int row, int col) const
9821 {
9822     wxGridCellAttr* attr = GetCellAttr(row, col);
9823     bool isReadOnly = attr->IsReadOnly();
9824     attr->DecRef();
9825
9826     return isReadOnly;
9827 }
9828
9829 // ----------------------------------------------------------------------------
9830 // attribute support: cache, automatic provider creation, ...
9831 // ----------------------------------------------------------------------------
9832
9833 bool wxGrid::CanHaveAttributes()
9834 {
9835     if ( !m_table )
9836     {
9837         return false;
9838     }
9839
9840     return m_table->CanHaveAttributes();
9841 }
9842
9843 void wxGrid::ClearAttrCache()
9844 {
9845     if ( m_attrCache.row != -1 )
9846     {
9847         wxSafeDecRef(m_attrCache.attr);
9848         m_attrCache.attr = NULL;
9849         m_attrCache.row = -1;
9850     }
9851 }
9852
9853 void wxGrid::CacheAttr(int row, int col, wxGridCellAttr *attr) const
9854 {
9855     if ( attr != NULL )
9856     {
9857         wxGrid *self = (wxGrid *)this;  // const_cast
9858
9859         self->ClearAttrCache();
9860         self->m_attrCache.row = row;
9861         self->m_attrCache.col = col;
9862         self->m_attrCache.attr = attr;
9863         wxSafeIncRef(attr);
9864     }
9865 }
9866
9867 bool wxGrid::LookupAttr(int row, int col, wxGridCellAttr **attr) const
9868 {
9869     if ( row == m_attrCache.row && col == m_attrCache.col )
9870     {
9871         *attr = m_attrCache.attr;
9872         wxSafeIncRef(m_attrCache.attr);
9873
9874 #ifdef DEBUG_ATTR_CACHE
9875         gs_nAttrCacheHits++;
9876 #endif
9877
9878         return true;
9879     }
9880     else
9881     {
9882 #ifdef DEBUG_ATTR_CACHE
9883         gs_nAttrCacheMisses++;
9884 #endif
9885
9886         return false;
9887     }
9888 }
9889
9890 wxGridCellAttr *wxGrid::GetCellAttr(int row, int col) const
9891 {
9892     wxGridCellAttr *attr = NULL;
9893     // Additional test to avoid looking at the cache e.g. for
9894     // wxNoCellCoords, as this will confuse memory management.
9895     if ( row >= 0 )
9896     {
9897         if ( !LookupAttr(row, col, &attr) )
9898         {
9899             attr = m_table ? m_table->GetAttr(row, col, wxGridCellAttr::Any)
9900                            : (wxGridCellAttr *)NULL;
9901             CacheAttr(row, col, attr);
9902         }
9903     }
9904
9905     if (attr)
9906     {
9907         attr->SetDefAttr(m_defaultCellAttr);
9908     }
9909     else
9910     {
9911         attr = m_defaultCellAttr;
9912         attr->IncRef();
9913     }
9914
9915     return attr;
9916 }
9917
9918 wxGridCellAttr *wxGrid::GetOrCreateCellAttr(int row, int col) const
9919 {
9920     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
9921     bool canHave = ((wxGrid*)this)->CanHaveAttributes();
9922
9923     wxCHECK_MSG( canHave, attr, _T("Cell attributes not allowed"));
9924     wxCHECK_MSG( m_table, attr, _T("must have a table") );
9925
9926     attr = m_table->GetAttr(row, col, wxGridCellAttr::Cell);
9927     if ( !attr )
9928     {
9929         attr = new wxGridCellAttr(m_defaultCellAttr);
9930
9931         // artificially inc the ref count to match DecRef() in caller
9932         attr->IncRef();
9933         m_table->SetAttr(attr, row, col);
9934     }
9935
9936     return attr;
9937 }
9938
9939 // ----------------------------------------------------------------------------
9940 // setting column attributes (wrappers around SetColAttr)
9941 // ----------------------------------------------------------------------------
9942
9943 void wxGrid::SetColFormatBool(int col)
9944 {
9945     SetColFormatCustom(col, wxGRID_VALUE_BOOL);
9946 }
9947
9948 void wxGrid::SetColFormatNumber(int col)
9949 {
9950     SetColFormatCustom(col, wxGRID_VALUE_NUMBER);
9951 }
9952
9953 void wxGrid::SetColFormatFloat(int col, int width, int precision)
9954 {
9955     wxString typeName = wxGRID_VALUE_FLOAT;
9956     if ( (width != -1) || (precision != -1) )
9957     {
9958         typeName << _T(':') << width << _T(',') << precision;
9959     }
9960
9961     SetColFormatCustom(col, typeName);
9962 }
9963
9964 void wxGrid::SetColFormatCustom(int col, const wxString& typeName)
9965 {
9966     wxGridCellAttr *attr = m_table->GetAttr(-1, col, wxGridCellAttr::Col );
9967     if (!attr)
9968         attr = new wxGridCellAttr;
9969     wxGridCellRenderer *renderer = GetDefaultRendererForType(typeName);
9970     attr->SetRenderer(renderer);
9971
9972     SetColAttr(col, attr);
9973
9974 }
9975
9976 // ----------------------------------------------------------------------------
9977 // setting cell attributes: this is forwarded to the table
9978 // ----------------------------------------------------------------------------
9979
9980 void wxGrid::SetAttr(int row, int col, wxGridCellAttr *attr)
9981 {
9982     if ( CanHaveAttributes() )
9983     {
9984         m_table->SetAttr(attr, row, col);
9985         ClearAttrCache();
9986     }
9987     else
9988     {
9989         wxSafeDecRef(attr);
9990     }
9991 }
9992
9993 void wxGrid::SetRowAttr(int row, wxGridCellAttr *attr)
9994 {
9995     if ( CanHaveAttributes() )
9996     {
9997         m_table->SetRowAttr(attr, row);
9998         ClearAttrCache();
9999     }
10000     else
10001     {
10002         wxSafeDecRef(attr);
10003     }
10004 }
10005
10006 void wxGrid::SetColAttr(int col, wxGridCellAttr *attr)
10007 {
10008     if ( CanHaveAttributes() )
10009     {
10010         m_table->SetColAttr(attr, col);
10011         ClearAttrCache();
10012     }
10013     else
10014     {
10015         wxSafeDecRef(attr);
10016     }
10017 }
10018
10019 void wxGrid::SetCellBackgroundColour( int row, int col, const wxColour& colour )
10020 {
10021     if ( CanHaveAttributes() )
10022     {
10023         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
10024         attr->SetBackgroundColour(colour);
10025         attr->DecRef();
10026     }
10027 }
10028
10029 void wxGrid::SetCellTextColour( int row, int col, const wxColour& colour )
10030 {
10031     if ( CanHaveAttributes() )
10032     {
10033         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
10034         attr->SetTextColour(colour);
10035         attr->DecRef();
10036     }
10037 }
10038
10039 void wxGrid::SetCellFont( int row, int col, const wxFont& font )
10040 {
10041     if ( CanHaveAttributes() )
10042     {
10043         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
10044         attr->SetFont(font);
10045         attr->DecRef();
10046     }
10047 }
10048
10049 void wxGrid::SetCellAlignment( int row, int col, int horiz, int vert )
10050 {
10051     if ( CanHaveAttributes() )
10052     {
10053         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
10054         attr->SetAlignment(horiz, vert);
10055         attr->DecRef();
10056     }
10057 }
10058
10059 void wxGrid::SetCellOverflow( int row, int col, bool allow )
10060 {
10061     if ( CanHaveAttributes() )
10062     {
10063         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
10064         attr->SetOverflow(allow);
10065         attr->DecRef();
10066     }
10067 }
10068
10069 void wxGrid::SetCellSize( int row, int col, int num_rows, int num_cols )
10070 {
10071     if ( CanHaveAttributes() )
10072     {
10073         int cell_rows, cell_cols;
10074
10075         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
10076         attr->GetSize(&cell_rows, &cell_cols);
10077         attr->SetSize(num_rows, num_cols);
10078         attr->DecRef();
10079
10080         // Cannot set the size of a cell to 0 or negative values
10081         // While it is perfectly legal to do that, this function cannot
10082         // handle all the possibilies, do it by hand by getting the CellAttr.
10083         // You can only set the size of a cell to 1,1 or greater with this fn
10084         wxASSERT_MSG( !((cell_rows < 1) || (cell_cols < 1)),
10085                       wxT("wxGrid::SetCellSize setting cell size that is already part of another cell"));
10086         wxASSERT_MSG( !((num_rows < 1) || (num_cols < 1)),
10087                       wxT("wxGrid::SetCellSize setting cell size to < 1"));
10088
10089         // if this was already a multicell then "turn off" the other cells first
10090         if ((cell_rows > 1) || (cell_rows > 1))
10091         {
10092             int i, j;
10093             for (j=row; j < row + cell_rows; j++)
10094             {
10095                 for (i=col; i < col + cell_cols; i++)
10096                 {
10097                     if ((i != col) || (j != row))
10098                     {
10099                         wxGridCellAttr *attr_stub = GetOrCreateCellAttr(j, i);
10100                         attr_stub->SetSize( 1, 1 );
10101                         attr_stub->DecRef();
10102                     }
10103                 }
10104             }
10105         }
10106
10107         // mark the cells that will be covered by this cell to
10108         // negative or zero values to point back at this cell
10109         if (((num_rows > 1) || (num_cols > 1)) && (num_rows >= 1) && (num_cols >= 1))
10110         {
10111             int i, j;
10112             for (j=row; j < row + num_rows; j++)
10113             {
10114                 for (i=col; i < col + num_cols; i++)
10115                 {
10116                     if ((i != col) || (j != row))
10117                     {
10118                         wxGridCellAttr *attr_stub = GetOrCreateCellAttr(j, i);
10119                         attr_stub->SetSize( row - j, col - i );
10120                         attr_stub->DecRef();
10121                     }
10122                 }
10123             }
10124         }
10125     }
10126 }
10127
10128 void wxGrid::SetCellRenderer(int row, int col, wxGridCellRenderer *renderer)
10129 {
10130     if ( CanHaveAttributes() )
10131     {
10132         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
10133         attr->SetRenderer(renderer);
10134         attr->DecRef();
10135     }
10136 }
10137
10138 void wxGrid::SetCellEditor(int row, int col, wxGridCellEditor* editor)
10139 {
10140     if ( CanHaveAttributes() )
10141     {
10142         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
10143         attr->SetEditor(editor);
10144         attr->DecRef();
10145     }
10146 }
10147
10148 void wxGrid::SetReadOnly(int row, int col, bool isReadOnly)
10149 {
10150     if ( CanHaveAttributes() )
10151     {
10152         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
10153         attr->SetReadOnly(isReadOnly);
10154         attr->DecRef();
10155     }
10156 }
10157
10158 // ----------------------------------------------------------------------------
10159 // Data type registration
10160 // ----------------------------------------------------------------------------
10161
10162 void wxGrid::RegisterDataType(const wxString& typeName,
10163                               wxGridCellRenderer* renderer,
10164                               wxGridCellEditor* editor)
10165 {
10166     m_typeRegistry->RegisterDataType(typeName, renderer, editor);
10167 }
10168
10169
10170 wxGridCellEditor * wxGrid::GetDefaultEditorForCell(int row, int col) const
10171 {
10172     wxString typeName = m_table->GetTypeName(row, col);
10173     return GetDefaultEditorForType(typeName);
10174 }
10175
10176 wxGridCellRenderer * wxGrid::GetDefaultRendererForCell(int row, int col) const
10177 {
10178     wxString typeName = m_table->GetTypeName(row, col);
10179     return GetDefaultRendererForType(typeName);
10180 }
10181
10182 wxGridCellEditor * wxGrid::GetDefaultEditorForType(const wxString& typeName) const
10183 {
10184     int index = m_typeRegistry->FindOrCloneDataType(typeName);
10185     if ( index == wxNOT_FOUND )
10186     {
10187         wxString errStr;
10188
10189         errStr.Printf(wxT("Unknown data type name [%s]"), typeName.c_str());
10190         wxFAIL_MSG(errStr.c_str());
10191
10192         return NULL;
10193     }
10194
10195     return m_typeRegistry->GetEditor(index);
10196 }
10197
10198 wxGridCellRenderer * wxGrid::GetDefaultRendererForType(const wxString& typeName) const
10199 {
10200     int index = m_typeRegistry->FindOrCloneDataType(typeName);
10201     if ( index == wxNOT_FOUND )
10202     {
10203         wxString errStr;
10204
10205         errStr.Printf(wxT("Unknown data type name [%s]"), typeName.c_str());
10206         wxFAIL_MSG(errStr.c_str());
10207
10208         return NULL;
10209     }
10210
10211     return m_typeRegistry->GetRenderer(index);
10212 }
10213
10214 // ----------------------------------------------------------------------------
10215 // row/col size
10216 // ----------------------------------------------------------------------------
10217
10218 void wxGrid::EnableDragRowSize( bool enable )
10219 {
10220     m_canDragRowSize = enable;
10221 }
10222
10223 void wxGrid::EnableDragColSize( bool enable )
10224 {
10225     m_canDragColSize = enable;
10226 }
10227
10228 void wxGrid::EnableDragGridSize( bool enable )
10229 {
10230     m_canDragGridSize = enable;
10231 }
10232
10233 void wxGrid::EnableDragCell( bool enable )
10234 {
10235     m_canDragCell = enable;
10236 }
10237
10238 void wxGrid::SetDefaultRowSize( int height, bool resizeExistingRows )
10239 {
10240     m_defaultRowHeight = wxMax( height, m_minAcceptableRowHeight );
10241
10242     if ( resizeExistingRows )
10243     {
10244         // since we are resizing all rows to the default row size,
10245         // we can simply clear the row heights and row bottoms
10246         // arrays (which also allows us to take advantage of
10247         // some speed optimisations)
10248         m_rowHeights.Empty();
10249         m_rowBottoms.Empty();
10250         if ( !GetBatchCount() )
10251             CalcDimensions();
10252     }
10253 }
10254
10255 void wxGrid::SetRowSize( int row, int height )
10256 {
10257     wxCHECK_RET( row >= 0 && row < m_numRows, _T("invalid row index") );
10258
10259     // See comment in SetColSize
10260     if ( height < GetRowMinimalAcceptableHeight())
10261         return;
10262
10263     if ( m_rowHeights.IsEmpty() )
10264     {
10265         // need to really create the array
10266         InitRowHeights();
10267     }
10268
10269     int h = wxMax( 0, height );
10270     int diff = h - m_rowHeights[row];
10271
10272     m_rowHeights[row] = h;
10273     for ( int i = row; i < m_numRows; i++ )
10274     {
10275         m_rowBottoms[i] += diff;
10276     }
10277
10278     if ( !GetBatchCount() )
10279         CalcDimensions();
10280 }
10281
10282 void wxGrid::SetDefaultColSize( int width, bool resizeExistingCols )
10283 {
10284     m_defaultColWidth = wxMax( width, m_minAcceptableColWidth );
10285
10286     if ( resizeExistingCols )
10287     {
10288         // since we are resizing all columns to the default column size,
10289         // we can simply clear the col widths and col rights
10290         // arrays (which also allows us to take advantage of
10291         // some speed optimisations)
10292         m_colWidths.Empty();
10293         m_colRights.Empty();
10294         if ( !GetBatchCount() )
10295             CalcDimensions();
10296     }
10297 }
10298
10299 void wxGrid::SetColSize( int col, int width )
10300 {
10301     wxCHECK_RET( col >= 0 && col < m_numCols, _T("invalid column index") );
10302
10303     // should we check that it's bigger than GetColMinimalWidth(col) here?
10304     //                                                                 (VZ)
10305     // No, because it is reasonable to assume the library user know's
10306     // what he is doing. However we should test against the weaker
10307     // constraint of minimalAcceptableWidth, as this breaks rendering
10308     //
10309     // This test then fixes sf.net bug #645734
10310
10311     if ( width < GetColMinimalAcceptableWidth() )
10312         return;
10313
10314     if ( m_colWidths.IsEmpty() )
10315     {
10316         // need to really create the array
10317         InitColWidths();
10318     }
10319
10320     // if < 0 then calculate new width from label
10321     if ( width < 0 )
10322     {
10323         long w, h;
10324         wxArrayString lines;
10325         wxClientDC dc(m_colLabelWin);
10326         dc.SetFont(GetLabelFont());
10327         StringToLines(GetColLabelValue(col), lines);
10328         GetTextBoxSize(dc, lines, &w, &h);
10329         width = w + 6;
10330     }
10331
10332     int w = wxMax( 0, width );
10333     int diff = w - m_colWidths[col];
10334     m_colWidths[col] = w;
10335
10336     for ( int colPos = GetColPos(col); colPos < m_numCols; colPos++ )
10337     {
10338         m_colRights[GetColAt(colPos)] += diff;
10339     }
10340
10341     if ( !GetBatchCount() )
10342         CalcDimensions();
10343 }
10344
10345 void wxGrid::SetColMinimalWidth( int col, int width )
10346 {
10347     if (width > GetColMinimalAcceptableWidth())
10348     {
10349         wxLongToLongHashMap::key_type key = (wxLongToLongHashMap::key_type)col;
10350         m_colMinWidths[key] = width;
10351     }
10352 }
10353
10354 void wxGrid::SetRowMinimalHeight( int row, int width )
10355 {
10356     if (width > GetRowMinimalAcceptableHeight())
10357     {
10358         wxLongToLongHashMap::key_type key = (wxLongToLongHashMap::key_type)row;
10359         m_rowMinHeights[key] = width;
10360     }
10361 }
10362
10363 int wxGrid::GetColMinimalWidth(int col) const
10364 {
10365     wxLongToLongHashMap::key_type key = (wxLongToLongHashMap::key_type)col;
10366     wxLongToLongHashMap::const_iterator it = m_colMinWidths.find(key);
10367
10368     return it != m_colMinWidths.end() ? (int)it->second : m_minAcceptableColWidth;
10369 }
10370
10371 int wxGrid::GetRowMinimalHeight(int row) const
10372 {
10373     wxLongToLongHashMap::key_type key = (wxLongToLongHashMap::key_type)row;
10374     wxLongToLongHashMap::const_iterator it = m_rowMinHeights.find(key);
10375
10376     return it != m_rowMinHeights.end() ? (int)it->second : m_minAcceptableRowHeight;
10377 }
10378
10379 void wxGrid::SetColMinimalAcceptableWidth( int width )
10380 {
10381     // We do allow a width of 0 since this gives us
10382     // an easy way to temporarily hiding columns.
10383     if ( width >= 0 )
10384         m_minAcceptableColWidth = width;
10385 }
10386
10387 void wxGrid::SetRowMinimalAcceptableHeight( int height )
10388 {
10389     // We do allow a height of 0 since this gives us
10390     // an easy way to temporarily hiding rows.
10391     if ( height >= 0 )
10392         m_minAcceptableRowHeight = height;
10393 }
10394
10395 int  wxGrid::GetColMinimalAcceptableWidth() const
10396 {
10397     return m_minAcceptableColWidth;
10398 }
10399
10400 int  wxGrid::GetRowMinimalAcceptableHeight() const
10401 {
10402     return m_minAcceptableRowHeight;
10403 }
10404
10405 // ----------------------------------------------------------------------------
10406 // auto sizing
10407 // ----------------------------------------------------------------------------
10408
10409 void wxGrid::AutoSizeColOrRow( int colOrRow, bool setAsMin, bool column )
10410 {
10411     wxClientDC dc(m_gridWin);
10412
10413     // cancel editing of cell
10414     HideCellEditControl();
10415     SaveEditControlValue();
10416
10417     // init both of them to avoid compiler warnings, even if we only need one
10418     int row = -1,
10419         col = -1;
10420     if ( column )
10421         col = colOrRow;
10422     else
10423         row = colOrRow;
10424
10425     wxCoord extent, extentMax = 0;
10426     int max = column ? m_numRows : m_numCols;
10427     for ( int rowOrCol = 0; rowOrCol < max; rowOrCol++ )
10428     {
10429         if ( column )
10430             row = rowOrCol;
10431         else
10432             col = rowOrCol;
10433
10434         wxGridCellAttr *attr = GetCellAttr(row, col);
10435         wxGridCellRenderer *renderer = attr->GetRenderer(this, row, col);
10436         if ( renderer )
10437         {
10438             wxSize size = renderer->GetBestSize(*this, *attr, dc, row, col);
10439             extent = column ? size.x : size.y;
10440             if ( extent > extentMax )
10441                 extentMax = extent;
10442
10443             renderer->DecRef();
10444         }
10445
10446         attr->DecRef();
10447     }
10448
10449     // now also compare with the column label extent
10450     wxCoord w, h;
10451     dc.SetFont( GetLabelFont() );
10452
10453     if ( column )
10454     {
10455         dc.GetMultiLineTextExtent( GetColLabelValue(col), &w, &h );
10456         if ( GetColLabelTextOrientation() == wxVERTICAL )
10457             w = h;
10458     }
10459     else
10460         dc.GetMultiLineTextExtent( GetRowLabelValue(row), &w, &h );
10461
10462     extent = column ? w : h;
10463     if ( extent > extentMax )
10464         extentMax = extent;
10465
10466     if ( !extentMax )
10467     {
10468         // empty column - give default extent (notice that if extentMax is less
10469         // than default extent but != 0, it's OK)
10470         extentMax = column ? m_defaultColWidth : m_defaultRowHeight;
10471     }
10472     else
10473     {
10474         if ( column )
10475             // leave some space around text
10476             extentMax += 10;
10477         else
10478             extentMax += 6;
10479     }
10480
10481     if ( column )
10482     {
10483         SetColSize( col, extentMax );
10484         if ( !GetBatchCount() )
10485         {
10486             int cw, ch, dummy;
10487             m_gridWin->GetClientSize( &cw, &ch );
10488             wxRect rect ( CellToRect( 0, col ) );
10489             rect.y = 0;
10490             CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
10491             rect.width = cw - rect.x;
10492             rect.height = m_colLabelHeight;
10493             m_colLabelWin->Refresh( true, &rect );
10494         }
10495     }
10496     else
10497     {
10498         SetRowSize(row, extentMax);
10499         if ( !GetBatchCount() )
10500         {
10501             int cw, ch, dummy;
10502             m_gridWin->GetClientSize( &cw, &ch );
10503             wxRect rect( CellToRect( row, 0 ) );
10504             rect.x = 0;
10505             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
10506             rect.width = m_rowLabelWidth;
10507             rect.height = ch - rect.y;
10508             m_rowLabelWin->Refresh( true, &rect );
10509         }
10510     }
10511
10512     if ( setAsMin )
10513     {
10514         if ( column )
10515             SetColMinimalWidth(col, extentMax);
10516         else
10517             SetRowMinimalHeight(row, extentMax);
10518     }
10519 }
10520
10521 int wxGrid::SetOrCalcColumnSizes(bool calcOnly, bool setAsMin)
10522 {
10523     int width = m_rowLabelWidth;
10524
10525     if ( !calcOnly )
10526         BeginBatch();
10527
10528     for ( int col = 0; col < m_numCols; col++ )
10529     {
10530         if ( !calcOnly )
10531             AutoSizeColumn(col, setAsMin);
10532
10533         width += GetColWidth(col);
10534     }
10535
10536     if ( !calcOnly )
10537         EndBatch();
10538
10539     return width;
10540 }
10541
10542 int wxGrid::SetOrCalcRowSizes(bool calcOnly, bool setAsMin)
10543 {
10544     int height = m_colLabelHeight;
10545
10546     if ( !calcOnly )
10547         BeginBatch();
10548
10549     for ( int row = 0; row < m_numRows; row++ )
10550     {
10551         if ( !calcOnly )
10552             AutoSizeRow(row, setAsMin);
10553
10554         height += GetRowHeight(row);
10555     }
10556
10557     if ( !calcOnly )
10558         EndBatch();
10559
10560     return height;
10561 }
10562
10563 void wxGrid::AutoSize()
10564 {
10565     BeginBatch();
10566
10567     // we need to round up the size of the scrollable area to a multiple of
10568     // scroll step to ensure that we don't get the scrollbars when we're sized
10569     // exactly to fit our contents
10570     wxSize size(SetOrCalcColumnSizes(false) - m_rowLabelWidth + m_extraWidth,
10571                 SetOrCalcRowSizes(false) - m_colLabelHeight + m_extraHeight);
10572     wxSize sizeFit(GetScrollX(size.x) * GetScrollLineX(),
10573                    GetScrollY(size.y) * GetScrollLineY());
10574
10575     // distribute the extra space between the columns/rows to avoid having
10576     // extra white space
10577     wxCoord diff = sizeFit.x - size.x;
10578     if ( diff && m_numCols )
10579     {
10580         // try to resize the columns uniformly
10581         wxCoord diffPerCol = diff / m_numCols;
10582         if ( diffPerCol )
10583         {
10584             for ( int col = 0; col < m_numCols; col++ )
10585             {
10586                 SetColSize(col, GetColWidth(col) + diffPerCol);
10587             }
10588         }
10589
10590         // add remaining amount to the last columns
10591         diff -= diffPerCol * m_numCols;
10592         if ( diff )
10593         {
10594             for ( int col = m_numCols - 1; col >= m_numCols - diff; col-- )
10595             {
10596                 SetColSize(col, GetColWidth(col) + 1);
10597             }
10598         }
10599     }
10600
10601     // same for rows
10602     diff = sizeFit.y - size.y;
10603     if ( diff && m_numRows )
10604     {
10605         // try to resize the columns uniformly
10606         wxCoord diffPerRow = diff / m_numRows;
10607         if ( diffPerRow )
10608         {
10609             for ( int row = 0; row < m_numRows; row++ )
10610             {
10611                 SetRowSize(row, GetRowHeight(row) + diffPerRow);
10612             }
10613         }
10614
10615         // add remaining amount to the last rows
10616         diff -= diffPerRow * m_numRows;
10617         if ( diff )
10618         {
10619             for ( int row = m_numRows - 1; row >= m_numRows - diff; row-- )
10620             {
10621                 SetRowSize(row, GetRowHeight(row) + 1);
10622             }
10623         }
10624     }
10625
10626     // we know that we're not going to have scrollbars so disable them now to
10627     // avoid trouble in SetClientSize() which can otherwise set the correct
10628     // client size but also leave space for (not needed any more) scrollbars
10629     SetScrollbars(0, 0, 0, 0, 0, 0, true);
10630     SetClientSize(sizeFit.x + m_rowLabelWidth, sizeFit.y + m_colLabelHeight);
10631
10632     EndBatch();
10633 }
10634
10635 void wxGrid::AutoSizeRowLabelSize( int row )
10636 {
10637     wxArrayString lines;
10638     long w, h;
10639
10640     // Hide the edit control, so it
10641     // won't interfere with drag-shrinking.
10642     if ( IsCellEditControlShown() )
10643     {
10644         HideCellEditControl();
10645         SaveEditControlValue();
10646     }
10647
10648     // autosize row height depending on label text
10649     StringToLines( GetRowLabelValue( row ), lines );
10650     wxClientDC dc( m_rowLabelWin );
10651     GetTextBoxSize( dc, lines, &w, &h );
10652     if ( h < m_defaultRowHeight )
10653         h = m_defaultRowHeight;
10654     SetRowSize(row, h);
10655     ForceRefresh();
10656 }
10657
10658 void wxGrid::AutoSizeColLabelSize( int col )
10659 {
10660     wxArrayString lines;
10661     long w, h;
10662
10663     // Hide the edit control, so it
10664     // won't interfere with drag-shrinking.
10665     if ( IsCellEditControlShown() )
10666     {
10667         HideCellEditControl();
10668         SaveEditControlValue();
10669     }
10670
10671     // autosize column width depending on label text
10672     StringToLines( GetColLabelValue( col ), lines );
10673     wxClientDC dc( m_colLabelWin );
10674     if ( GetColLabelTextOrientation() == wxHORIZONTAL )
10675         GetTextBoxSize( dc, lines, &w, &h );
10676     else
10677         GetTextBoxSize( dc, lines, &h, &w );
10678     if ( w < m_defaultColWidth )
10679         w = m_defaultColWidth;
10680     SetColSize(col, w);
10681     ForceRefresh();
10682 }
10683
10684 wxSize wxGrid::DoGetBestSize() const
10685 {
10686     wxGrid *self = (wxGrid *)this;  // const_cast
10687
10688     // we do the same as in AutoSize() here with the exception that we don't
10689     // change the column/row sizes, only calculate them
10690     wxSize size(self->SetOrCalcColumnSizes(true) - m_rowLabelWidth + m_extraWidth,
10691                 self->SetOrCalcRowSizes(true) - m_colLabelHeight + m_extraHeight);
10692     wxSize sizeFit(GetScrollX(size.x) * GetScrollLineX(),
10693                    GetScrollY(size.y) * GetScrollLineY());
10694
10695     // NOTE: This size should be cached, but first we need to add calls to
10696     // InvalidateBestSize everywhere that could change the results of this
10697     // calculation.
10698     // CacheBestSize(size);
10699
10700     return wxSize(sizeFit.x + m_rowLabelWidth, sizeFit.y + m_colLabelHeight)
10701             + GetWindowBorderSize();
10702 }
10703
10704 void wxGrid::Fit()
10705 {
10706     AutoSize();
10707 }
10708
10709 wxPen& wxGrid::GetDividerPen() const
10710 {
10711     return wxNullPen;
10712 }
10713
10714 // ----------------------------------------------------------------------------
10715 // cell value accessor functions
10716 // ----------------------------------------------------------------------------
10717
10718 void wxGrid::SetCellValue( int row, int col, const wxString& s )
10719 {
10720     if ( m_table )
10721     {
10722         m_table->SetValue( row, col, s );
10723         if ( !GetBatchCount() )
10724         {
10725             int dummy;
10726             wxRect rect( CellToRect( row, col ) );
10727             rect.x = 0;
10728             rect.width = m_gridWin->GetClientSize().GetWidth();
10729             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
10730             m_gridWin->Refresh( false, &rect );
10731         }
10732
10733         if ( m_currentCellCoords.GetRow() == row &&
10734              m_currentCellCoords.GetCol() == col &&
10735              IsCellEditControlShown())
10736              // Note: If we are using IsCellEditControlEnabled,
10737              // this interacts badly with calling SetCellValue from
10738              // an EVT_GRID_CELL_CHANGE handler.
10739         {
10740             HideCellEditControl();
10741             ShowCellEditControl(); // will reread data from table
10742         }
10743     }
10744 }
10745
10746 // ----------------------------------------------------------------------------
10747 // block, row and column selection
10748 // ----------------------------------------------------------------------------
10749
10750 void wxGrid::SelectRow( int row, bool addToSelected )
10751 {
10752     if ( IsSelection() && !addToSelected )
10753         ClearSelection();
10754
10755     if ( m_selection )
10756         m_selection->SelectRow( row, false, addToSelected );
10757 }
10758
10759 void wxGrid::SelectCol( int col, bool addToSelected )
10760 {
10761     if ( IsSelection() && !addToSelected )
10762         ClearSelection();
10763
10764     if ( m_selection )
10765         m_selection->SelectCol( col, false, addToSelected );
10766 }
10767
10768 void wxGrid::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol,
10769                           bool addToSelected )
10770 {
10771     if ( IsSelection() && !addToSelected )
10772         ClearSelection();
10773
10774     if ( m_selection )
10775         m_selection->SelectBlock( topRow, leftCol, bottomRow, rightCol,
10776                                   false, addToSelected );
10777 }
10778
10779 void wxGrid::SelectAll()
10780 {
10781     if ( m_numRows > 0 && m_numCols > 0 )
10782     {
10783         if ( m_selection )
10784             m_selection->SelectBlock( 0, 0, m_numRows - 1, m_numCols - 1 );
10785     }
10786 }
10787
10788 // ----------------------------------------------------------------------------
10789 // cell, row and col deselection
10790 // ----------------------------------------------------------------------------
10791
10792 void wxGrid::DeselectRow( int row )
10793 {
10794     if ( !m_selection )
10795         return;
10796
10797     if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectRows )
10798     {
10799         if ( m_selection->IsInSelection(row, 0 ) )
10800             m_selection->ToggleCellSelection(row, 0);
10801     }
10802     else
10803     {
10804         int nCols = GetNumberCols();
10805         for ( int i = 0; i < nCols; i++ )
10806         {
10807             if ( m_selection->IsInSelection(row, i ) )
10808                 m_selection->ToggleCellSelection(row, i);
10809         }
10810     }
10811 }
10812
10813 void wxGrid::DeselectCol( int col )
10814 {
10815     if ( !m_selection )
10816         return;
10817
10818     if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectColumns )
10819     {
10820         if ( m_selection->IsInSelection(0, col ) )
10821             m_selection->ToggleCellSelection(0, col);
10822     }
10823     else
10824     {
10825         int nRows = GetNumberRows();
10826         for ( int i = 0; i < nRows; i++ )
10827         {
10828             if ( m_selection->IsInSelection(i, col ) )
10829                 m_selection->ToggleCellSelection(i, col);
10830         }
10831     }
10832 }
10833
10834 void wxGrid::DeselectCell( int row, int col )
10835 {
10836     if ( m_selection && m_selection->IsInSelection(row, col) )
10837         m_selection->ToggleCellSelection(row, col);
10838 }
10839
10840 bool wxGrid::IsSelection()
10841 {
10842     return ( m_selection && (m_selection->IsSelection() ||
10843              ( m_selectingTopLeft != wxGridNoCellCoords &&
10844                m_selectingBottomRight != wxGridNoCellCoords) ) );
10845 }
10846
10847 bool wxGrid::IsInSelection( int row, int col ) const
10848 {
10849     return ( m_selection && (m_selection->IsInSelection( row, col ) ||
10850              ( row >= m_selectingTopLeft.GetRow() &&
10851                col >= m_selectingTopLeft.GetCol() &&
10852                row <= m_selectingBottomRight.GetRow() &&
10853                col <= m_selectingBottomRight.GetCol() )) );
10854 }
10855
10856 wxGridCellCoordsArray wxGrid::GetSelectedCells() const
10857 {
10858     if (!m_selection)
10859     {
10860         wxGridCellCoordsArray a;
10861         return a;
10862     }
10863
10864     return m_selection->m_cellSelection;
10865 }
10866
10867 wxGridCellCoordsArray wxGrid::GetSelectionBlockTopLeft() const
10868 {
10869     if (!m_selection)
10870     {
10871         wxGridCellCoordsArray a;
10872         return a;
10873     }
10874
10875     return m_selection->m_blockSelectionTopLeft;
10876 }
10877
10878 wxGridCellCoordsArray wxGrid::GetSelectionBlockBottomRight() const
10879 {
10880     if (!m_selection)
10881     {
10882         wxGridCellCoordsArray a;
10883         return a;
10884     }
10885
10886     return m_selection->m_blockSelectionBottomRight;
10887 }
10888
10889 wxArrayInt wxGrid::GetSelectedRows() const
10890 {
10891     if (!m_selection)
10892     {
10893         wxArrayInt a;
10894         return a;
10895     }
10896
10897     return m_selection->m_rowSelection;
10898 }
10899
10900 wxArrayInt wxGrid::GetSelectedCols() const
10901 {
10902     if (!m_selection)
10903     {
10904         wxArrayInt a;
10905         return a;
10906     }
10907
10908     return m_selection->m_colSelection;
10909 }
10910
10911 void wxGrid::ClearSelection()
10912 {
10913     m_selectingTopLeft =
10914     m_selectingBottomRight =
10915     m_selectingKeyboard = wxGridNoCellCoords;
10916     if ( m_selection )
10917         m_selection->ClearSelection();
10918 }
10919
10920 // This function returns the rectangle that encloses the given block
10921 // in device coords clipped to the client size of the grid window.
10922 //
10923 wxRect wxGrid::BlockToDeviceRect( const wxGridCellCoords &topLeft,
10924                                   const wxGridCellCoords &bottomRight )
10925 {
10926     wxRect rect( wxGridNoCellRect );
10927     wxRect cellRect;
10928
10929     cellRect = CellToRect( topLeft );
10930     if ( cellRect != wxGridNoCellRect )
10931     {
10932         rect = cellRect;
10933     }
10934     else
10935     {
10936         rect = wxRect(0, 0, 0, 0);
10937     }
10938
10939     cellRect = CellToRect( bottomRight );
10940     if ( cellRect != wxGridNoCellRect )
10941     {
10942         rect += cellRect;
10943     }
10944     else
10945     {
10946         return wxGridNoCellRect;
10947     }
10948
10949     int i, j;
10950     int left = rect.GetLeft();
10951     int top = rect.GetTop();
10952     int right = rect.GetRight();
10953     int bottom = rect.GetBottom();
10954
10955     int leftCol = topLeft.GetCol();
10956     int topRow = topLeft.GetRow();
10957     int rightCol = bottomRight.GetCol();
10958     int bottomRow = bottomRight.GetRow();
10959
10960     if (left > right)
10961     {
10962         i = left;
10963         left = right;
10964         right = i;
10965         i = leftCol;
10966         leftCol = rightCol;
10967         rightCol = i;
10968     }
10969
10970     if (top > bottom)
10971     {
10972         i = top;
10973         top = bottom;
10974         bottom = i;
10975         i = topRow;
10976         topRow = bottomRow;
10977         bottomRow = i;
10978     }
10979
10980     for ( j = topRow; j <= bottomRow; j++ )
10981     {
10982         for ( i = leftCol; i <= rightCol; i++ )
10983         {
10984             if ((j == topRow) || (j == bottomRow) || (i == leftCol) || (i == rightCol))
10985             {
10986                 cellRect = CellToRect( j, i );
10987
10988                 if (cellRect.x < left)
10989                     left = cellRect.x;
10990                 if (cellRect.y < top)
10991                     top = cellRect.y;
10992                 if (cellRect.x + cellRect.width > right)
10993                     right = cellRect.x + cellRect.width;
10994                 if (cellRect.y + cellRect.height > bottom)
10995                     bottom = cellRect.y + cellRect.height;
10996             }
10997             else
10998             {
10999                 i = rightCol; // jump over inner cells.
11000             }
11001         }
11002     }
11003
11004     // convert to scrolled coords
11005     //
11006     CalcScrolledPosition( left, top, &left, &top );
11007     CalcScrolledPosition( right, bottom, &right, &bottom );
11008
11009     int cw, ch;
11010     m_gridWin->GetClientSize( &cw, &ch );
11011
11012     if (right < 0 || bottom < 0 || left > cw || top > ch)
11013         return wxRect(0,0,0,0);
11014
11015     rect.SetLeft( wxMax(0, left) );
11016     rect.SetTop( wxMax(0, top) );
11017     rect.SetRight( wxMin(cw, right) );
11018     rect.SetBottom( wxMin(ch, bottom) );
11019
11020     return rect;
11021 }
11022
11023 // ----------------------------------------------------------------------------
11024 // grid event classes
11025 // ----------------------------------------------------------------------------
11026
11027 IMPLEMENT_DYNAMIC_CLASS( wxGridEvent, wxNotifyEvent )
11028
11029 wxGridEvent::wxGridEvent( int id, wxEventType type, wxObject* obj,
11030                           int row, int col, int x, int y, bool sel,
11031                           bool control, bool shift, bool alt, bool meta )
11032         : wxNotifyEvent( type, id )
11033 {
11034     m_row = row;
11035     m_col = col;
11036     m_x = x;
11037     m_y = y;
11038     m_selecting = sel;
11039     m_control = control;
11040     m_shift = shift;
11041     m_alt = alt;
11042     m_meta = meta;
11043
11044     SetEventObject(obj);
11045 }
11046
11047
11048 IMPLEMENT_DYNAMIC_CLASS( wxGridSizeEvent, wxNotifyEvent )
11049
11050 wxGridSizeEvent::wxGridSizeEvent( int id, wxEventType type, wxObject* obj,
11051                                   int rowOrCol, int x, int y,
11052                                   bool control, bool shift, bool alt, bool meta )
11053         : wxNotifyEvent( type, id )
11054 {
11055     m_rowOrCol = rowOrCol;
11056     m_x = x;
11057     m_y = y;
11058     m_control = control;
11059     m_shift = shift;
11060     m_alt = alt;
11061     m_meta = meta;
11062
11063     SetEventObject(obj);
11064 }
11065
11066
11067 IMPLEMENT_DYNAMIC_CLASS( wxGridRangeSelectEvent, wxNotifyEvent )
11068
11069 wxGridRangeSelectEvent::wxGridRangeSelectEvent(int id, wxEventType type, wxObject* obj,
11070                                                const wxGridCellCoords& topLeft,
11071                                                const wxGridCellCoords& bottomRight,
11072                                                bool sel, bool control,
11073                                                bool shift, bool alt, bool meta )
11074         : wxNotifyEvent( type, id )
11075 {
11076     m_topLeft = topLeft;
11077     m_bottomRight = bottomRight;
11078     m_selecting = sel;
11079     m_control = control;
11080     m_shift = shift;
11081     m_alt = alt;
11082     m_meta = meta;
11083
11084     SetEventObject(obj);
11085 }
11086
11087
11088 IMPLEMENT_DYNAMIC_CLASS(wxGridEditorCreatedEvent, wxCommandEvent)
11089
11090 wxGridEditorCreatedEvent::wxGridEditorCreatedEvent(int id, wxEventType type,
11091                                                    wxObject* obj, int row,
11092                                                    int col, wxControl* ctrl)
11093     : wxCommandEvent(type, id)
11094 {
11095     SetEventObject(obj);
11096     m_row = row;
11097     m_col = col;
11098     m_ctrl = ctrl;
11099 }
11100
11101 #endif // wxUSE_GRID