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