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("1"), _T("") };
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     SetBestFittingSize(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     SetBestFittingSize(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 (m_ownTable)
4202         delete m_table;
4203
4204     delete m_typeRegistry;
4205     delete m_selection;
4206 }
4207
4208 //
4209 // ----- internal init and update functions
4210 //
4211
4212 // NOTE: If using the default visual attributes works everywhere then this can
4213 // be removed as well as the #else cases below.
4214 #define _USE_VISATTR 0
4215
4216 void wxGrid::Create()
4217 {
4218     // set to true by CreateGrid
4219     m_created = false;
4220
4221     // create the type registry
4222     m_typeRegistry = new wxGridTypeRegistry;
4223     m_selection = NULL;
4224
4225     m_table = (wxGridTableBase *) NULL;
4226     m_ownTable = false;
4227
4228     m_cellEditCtrlEnabled = false;
4229
4230     m_defaultCellAttr = new wxGridCellAttr();
4231
4232     // Set default cell attributes
4233     m_defaultCellAttr->SetDefAttr(m_defaultCellAttr);
4234     m_defaultCellAttr->SetKind(wxGridCellAttr::Default);
4235     m_defaultCellAttr->SetFont(GetFont());
4236     m_defaultCellAttr->SetAlignment(wxALIGN_LEFT, wxALIGN_TOP);
4237     m_defaultCellAttr->SetRenderer(new wxGridCellStringRenderer);
4238     m_defaultCellAttr->SetEditor(new wxGridCellTextEditor);
4239
4240 #if _USE_VISATTR
4241     wxVisualAttributes gva = wxListBox::GetClassDefaultAttributes();
4242     wxVisualAttributes lva = wxPanel::GetClassDefaultAttributes();
4243
4244     m_defaultCellAttr->SetTextColour(gva.colFg);
4245     m_defaultCellAttr->SetBackgroundColour(gva.colBg);
4246
4247 #else
4248     m_defaultCellAttr->SetTextColour(
4249         wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
4250     m_defaultCellAttr->SetBackgroundColour(
4251         wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
4252 #endif
4253
4254     m_numRows = 0;
4255     m_numCols = 0;
4256     m_currentCellCoords = wxGridNoCellCoords;
4257
4258     m_rowLabelWidth = WXGRID_DEFAULT_ROW_LABEL_WIDTH;
4259     m_colLabelHeight = WXGRID_DEFAULT_COL_LABEL_HEIGHT;
4260
4261     // subwindow components that make up the wxGrid
4262     m_rowLabelWin = new wxGridRowLabelWindow( this,
4263                                               wxID_ANY,
4264                                               wxDefaultPosition,
4265                                               wxDefaultSize );
4266
4267     m_colLabelWin = new wxGridColLabelWindow( this,
4268                                               wxID_ANY,
4269                                               wxDefaultPosition,
4270                                               wxDefaultSize );
4271
4272     m_cornerLabelWin = new wxGridCornerLabelWindow( this,
4273                                                     wxID_ANY,
4274                                                     wxDefaultPosition,
4275                                                     wxDefaultSize );
4276
4277     m_gridWin = new wxGridWindow( this,
4278                                   m_rowLabelWin,
4279                                   m_colLabelWin,
4280                                   wxID_ANY,
4281                                   wxDefaultPosition,
4282                                   wxDefaultSize );
4283
4284     SetTargetWindow( m_gridWin );
4285
4286 #if _USE_VISATTR
4287     wxColour gfg = gva.colFg;
4288     wxColour gbg = gva.colBg;
4289     wxColour lfg = lva.colFg;
4290     wxColour lbg = lva.colBg;
4291 #else
4292     wxColour gfg = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOWTEXT );
4293     wxColour gbg = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOW );
4294     wxColour lfg = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOWTEXT );
4295     wxColour lbg = wxSystemSettings::GetColour( wxSYS_COLOUR_BTNFACE );
4296 #endif
4297
4298     m_cornerLabelWin->SetOwnForegroundColour(lfg);
4299     m_cornerLabelWin->SetOwnBackgroundColour(lbg);
4300     m_rowLabelWin->SetOwnForegroundColour(lfg);
4301     m_rowLabelWin->SetOwnBackgroundColour(lbg);
4302     m_colLabelWin->SetOwnForegroundColour(lfg);
4303     m_colLabelWin->SetOwnBackgroundColour(lbg);
4304
4305     m_gridWin->SetOwnForegroundColour(gfg);
4306     m_gridWin->SetOwnBackgroundColour(gbg);
4307
4308     Init();
4309 }
4310
4311 bool wxGrid::CreateGrid( int numRows, int numCols,
4312                          wxGrid::wxGridSelectionModes selmode )
4313 {
4314     wxCHECK_MSG( !m_created,
4315                  false,
4316                  wxT("wxGrid::CreateGrid or wxGrid::SetTable called more than once") );
4317
4318     m_numRows = numRows;
4319     m_numCols = numCols;
4320
4321     m_table = new wxGridStringTable( m_numRows, m_numCols );
4322     m_table->SetView( this );
4323     m_ownTable = true;
4324     m_selection = new wxGridSelection( this, selmode );
4325
4326     CalcDimensions();
4327
4328     m_created = true;
4329
4330     return m_created;
4331 }
4332
4333 void wxGrid::SetSelectionMode(wxGrid::wxGridSelectionModes selmode)
4334 {
4335     wxCHECK_RET( m_created,
4336                  wxT("Called wxGrid::SetSelectionMode() before calling CreateGrid()") );
4337
4338     m_selection->SetSelectionMode( selmode );
4339 }
4340
4341 wxGrid::wxGridSelectionModes wxGrid::GetSelectionMode() const
4342 {
4343     wxCHECK_MSG( m_created, wxGrid::wxGridSelectCells,
4344                  wxT("Called wxGrid::GetSelectionMode() before calling CreateGrid()") );
4345
4346     return m_selection->GetSelectionMode();
4347 }
4348
4349 bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership,
4350                        wxGrid::wxGridSelectionModes selmode )
4351 {
4352     if ( m_created )
4353     {
4354         // stop all processing
4355         m_created = false;
4356
4357         if (m_ownTable)
4358         {
4359             wxGridTableBase *t = m_table;
4360             m_table = NULL;
4361             delete t;
4362         }
4363
4364         delete m_selection;
4365
4366         m_table = NULL;
4367         m_selection = NULL;
4368         m_numRows = 0;
4369         m_numCols = 0;
4370     }
4371
4372     if (table)
4373     {
4374         m_numRows = table->GetNumberRows();
4375         m_numCols = table->GetNumberCols();
4376
4377         m_table = table;
4378         m_table->SetView( this );
4379         m_ownTable = takeOwnership;
4380         m_selection = new wxGridSelection( this, selmode );
4381
4382         CalcDimensions();
4383
4384         m_created = true;
4385     }
4386
4387     return m_created;
4388 }
4389
4390 void wxGrid::Init()
4391 {
4392     m_rowLabelWidth  = WXGRID_DEFAULT_ROW_LABEL_WIDTH;
4393     m_colLabelHeight = WXGRID_DEFAULT_COL_LABEL_HEIGHT;
4394
4395     if ( m_rowLabelWin )
4396     {
4397         m_labelBackgroundColour = m_rowLabelWin->GetBackgroundColour();
4398     }
4399     else
4400     {
4401         m_labelBackgroundColour = *wxWHITE;
4402     }
4403
4404     m_labelTextColour = *wxBLACK;
4405
4406     // init attr cache
4407     m_attrCache.row = -1;
4408     m_attrCache.col = -1;
4409     m_attrCache.attr = NULL;
4410
4411     // TODO: something better than this ?
4412     //
4413     m_labelFont = this->GetFont();
4414     m_labelFont.SetWeight( wxBOLD );
4415
4416     m_rowLabelHorizAlign = wxALIGN_CENTRE;
4417     m_rowLabelVertAlign  = wxALIGN_CENTRE;
4418
4419     m_colLabelHorizAlign = wxALIGN_CENTRE;
4420     m_colLabelVertAlign  = wxALIGN_CENTRE;
4421     m_colLabelTextOrientation = wxHORIZONTAL;
4422
4423     m_defaultColWidth  = WXGRID_DEFAULT_COL_WIDTH;
4424     m_defaultRowHeight = m_gridWin->GetCharHeight();
4425
4426     m_minAcceptableColWidth  = WXGRID_MIN_COL_WIDTH;
4427     m_minAcceptableRowHeight = WXGRID_MIN_ROW_HEIGHT;
4428
4429 #if defined(__WXMOTIF__) || defined(__WXGTK__)  // see also text ctrl sizing in ShowCellEditControl()
4430     m_defaultRowHeight += 8;
4431 #else
4432     m_defaultRowHeight += 4;
4433 #endif
4434
4435     m_gridLineColour = wxColour( 192,192,192 );
4436     m_gridLinesEnabled = true;
4437     m_cellHighlightColour = *wxBLACK;
4438     m_cellHighlightPenWidth = 2;
4439     m_cellHighlightROPenWidth = 1;
4440
4441     m_canDragColMove = false;
4442
4443     m_cursorMode  = WXGRID_CURSOR_SELECT_CELL;
4444     m_winCapture = (wxWindow *)NULL;
4445     m_canDragRowSize = true;
4446     m_canDragColSize = true;
4447     m_canDragGridSize = true;
4448     m_canDragCell = false;
4449     m_dragLastPos  = -1;
4450     m_dragRowOrCol = -1;
4451     m_isDragging = false;
4452     m_startDragPos = wxDefaultPosition;
4453
4454     m_waitForSlowClick = false;
4455
4456     m_rowResizeCursor = wxCursor( wxCURSOR_SIZENS );
4457     m_colResizeCursor = wxCursor( wxCURSOR_SIZEWE );
4458
4459     m_currentCellCoords = wxGridNoCellCoords;
4460
4461     ClearSelection();
4462
4463     m_selectionBackground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
4464     m_selectionForeground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
4465
4466     m_editable = true;  // default for whole grid
4467
4468     m_inOnKeyDown = false;
4469     m_batchCount = 0;
4470
4471     m_extraWidth =
4472     m_extraHeight = 0;
4473
4474     m_scrollLineX = GRID_SCROLL_LINE_X;
4475     m_scrollLineY = GRID_SCROLL_LINE_Y;
4476 }
4477
4478 // ----------------------------------------------------------------------------
4479 // the idea is to call these functions only when necessary because they create
4480 // quite big arrays which eat memory mostly unnecessary - in particular, if
4481 // default widths/heights are used for all rows/columns, we may not use these
4482 // arrays at all
4483 //
4484 // with some extra code, it should be possible to only store the
4485 // widths/heights different from default ones but this will be done later...
4486 // ----------------------------------------------------------------------------
4487
4488 void wxGrid::InitRowHeights()
4489 {
4490     m_rowHeights.Empty();
4491     m_rowBottoms.Empty();
4492
4493     m_rowHeights.Alloc( m_numRows );
4494     m_rowBottoms.Alloc( m_numRows );
4495
4496     int rowBottom = 0;
4497
4498     m_rowHeights.Add( m_defaultRowHeight, m_numRows );
4499
4500     for ( int i = 0; i < m_numRows; i++ )
4501     {
4502         rowBottom += m_defaultRowHeight;
4503         m_rowBottoms.Add( rowBottom );
4504     }
4505 }
4506
4507 void wxGrid::InitColWidths()
4508 {
4509     m_colWidths.Empty();
4510     m_colRights.Empty();
4511
4512     m_colWidths.Alloc( m_numCols );
4513     m_colRights.Alloc( m_numCols );
4514     int colRight = 0;
4515
4516     m_colWidths.Add( m_defaultColWidth, m_numCols );
4517
4518     for ( int i = 0; i < m_numCols; i++ )
4519     {
4520         colRight = ( GetColPos( i ) + 1 ) * m_defaultColWidth;
4521         m_colRights.Add( colRight );
4522     }
4523 }
4524
4525 int wxGrid::GetColWidth(int col) const
4526 {
4527     return m_colWidths.IsEmpty() ? m_defaultColWidth : m_colWidths[col];
4528 }
4529
4530 int wxGrid::GetColLeft(int col) const
4531 {
4532     return m_colRights.IsEmpty() ? GetColPos( col ) * m_defaultColWidth
4533                                  : m_colRights[col] - m_colWidths[col];
4534 }
4535
4536 int wxGrid::GetColRight(int col) const
4537 {
4538     return m_colRights.IsEmpty() ? (GetColPos( col ) + 1) * m_defaultColWidth
4539                                  : m_colRights[col];
4540 }
4541
4542 int wxGrid::GetRowHeight(int row) const
4543 {
4544     return m_rowHeights.IsEmpty() ? m_defaultRowHeight : m_rowHeights[row];
4545 }
4546
4547 int wxGrid::GetRowTop(int row) const
4548 {
4549     return m_rowBottoms.IsEmpty() ? row * m_defaultRowHeight
4550                                   : m_rowBottoms[row] - m_rowHeights[row];
4551 }
4552
4553 int wxGrid::GetRowBottom(int row) const
4554 {
4555     return m_rowBottoms.IsEmpty() ? (row + 1) * m_defaultRowHeight
4556                                   : m_rowBottoms[row];
4557 }
4558
4559 void wxGrid::CalcDimensions()
4560 {
4561     int cw, ch;
4562     GetClientSize( &cw, &ch );
4563
4564     if ( m_rowLabelWin->IsShown() )
4565         cw -= m_rowLabelWidth;
4566     if ( m_colLabelWin->IsShown() )
4567         ch -= m_colLabelHeight;
4568
4569     // grid total size
4570     int w = m_numCols > 0 ? GetColRight(GetColAt( m_numCols - 1 )) + m_extraWidth + 1 : 0;
4571     int h = m_numRows > 0 ? GetRowBottom(m_numRows - 1) + m_extraHeight + 1 : 0;
4572
4573     // take into account editor if shown
4574     if ( IsCellEditControlShown() )
4575     {
4576         int w2, h2;
4577         int r = m_currentCellCoords.GetRow();
4578         int c = m_currentCellCoords.GetCol();
4579         int x = GetColLeft(c);
4580         int y = GetRowTop(r);
4581
4582         // how big is the editor
4583         wxGridCellAttr* attr = GetCellAttr(r, c);
4584         wxGridCellEditor* editor = attr->GetEditor(this, r, c);
4585         editor->GetControl()->GetSize(&w2, &h2);
4586         w2 += x;
4587         h2 += y;
4588         if ( w2 > w )
4589             w = w2;
4590         if ( h2 > h )
4591             h = h2;
4592         editor->DecRef();
4593         attr->DecRef();
4594     }
4595
4596     // preserve (more or less) the previous position
4597     int x, y;
4598     GetViewStart( &x, &y );
4599
4600     // ensure the position is valid for the new scroll ranges
4601     if ( x >= w )
4602         x = wxMax( w - 1, 0 );
4603     if ( y >= h )
4604         y = wxMax( h - 1, 0 );
4605
4606     // do set scrollbar parameters
4607     SetScrollbars( m_scrollLineX, m_scrollLineY,
4608                    GetScrollX(w), GetScrollY(h), 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     wxClientDC dc( m_gridWin );
7102     PrepareDC( dc );
7103
7104     if ( m_currentCellCoords != wxGridNoCellCoords )
7105     {
7106         DisableCellEditControl();
7107
7108         if ( IsVisible( m_currentCellCoords, false ) )
7109         {
7110             wxRect r;
7111             r = BlockToDeviceRect( m_currentCellCoords, m_currentCellCoords );
7112             if ( !m_gridLinesEnabled )
7113             {
7114                 r.x--;
7115                 r.y--;
7116                 r.width++;
7117                 r.height++;
7118             }
7119
7120             wxGridCellCoordsArray cells = CalcCellsExposed( r );
7121
7122             // Otherwise refresh redraws the highlight!
7123             m_currentCellCoords = coords;
7124
7125             DrawGridCellArea( dc, cells );
7126             DrawAllGridLines( dc, r );
7127         }
7128     }
7129
7130     m_currentCellCoords = coords;
7131
7132     wxGridCellAttr *attr = GetCellAttr( coords );
7133     DrawCellHighlight( dc, attr );
7134     attr->DecRef();
7135 }
7136
7137 void wxGrid::HighlightBlock( int topRow, int leftCol, int bottomRow, int rightCol )
7138 {
7139     int temp;
7140     wxGridCellCoords updateTopLeft, updateBottomRight;
7141
7142     if ( m_selection )
7143     {
7144         if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectRows )
7145         {
7146             leftCol = 0;
7147             rightCol = GetNumberCols() - 1;
7148         }
7149         else if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectColumns )
7150         {
7151             topRow = 0;
7152             bottomRow = GetNumberRows() - 1;
7153         }
7154     }
7155
7156     if ( topRow > bottomRow )
7157     {
7158         temp = topRow;
7159         topRow = bottomRow;
7160         bottomRow = temp;
7161     }
7162
7163     if ( leftCol > rightCol )
7164     {
7165         temp = leftCol;
7166         leftCol = rightCol;
7167         rightCol = temp;
7168     }
7169
7170     updateTopLeft = wxGridCellCoords( topRow, leftCol );
7171     updateBottomRight = wxGridCellCoords( bottomRow, rightCol );
7172
7173     // First the case that we selected a completely new area
7174     if ( m_selectingTopLeft == wxGridNoCellCoords ||
7175          m_selectingBottomRight == wxGridNoCellCoords )
7176     {
7177         wxRect rect;
7178         rect = BlockToDeviceRect( wxGridCellCoords ( topRow, leftCol ),
7179                                   wxGridCellCoords ( bottomRow, rightCol ) );
7180         m_gridWin->Refresh( false, &rect );
7181     }
7182
7183     // Now handle changing an existing selection area.
7184     else if ( m_selectingTopLeft != updateTopLeft ||
7185               m_selectingBottomRight != updateBottomRight )
7186     {
7187         // Compute two optimal update rectangles:
7188         // Either one rectangle is a real subset of the
7189         // other, or they are (almost) disjoint!
7190         wxRect  rect[4];
7191         bool    need_refresh[4];
7192         need_refresh[0] =
7193         need_refresh[1] =
7194         need_refresh[2] =
7195         need_refresh[3] = false;
7196         int     i;
7197
7198         // Store intermediate values
7199         wxCoord oldLeft = m_selectingTopLeft.GetCol();
7200         wxCoord oldTop = m_selectingTopLeft.GetRow();
7201         wxCoord oldRight = m_selectingBottomRight.GetCol();
7202         wxCoord oldBottom = m_selectingBottomRight.GetRow();
7203
7204         // Determine the outer/inner coordinates.
7205         if (oldLeft > leftCol)
7206         {
7207             temp = oldLeft;
7208             oldLeft = leftCol;
7209             leftCol = temp;
7210         }
7211         if (oldTop > topRow )
7212         {
7213             temp = oldTop;
7214             oldTop = topRow;
7215             topRow = temp;
7216         }
7217         if (oldRight < rightCol )
7218         {
7219             temp = oldRight;
7220             oldRight = rightCol;
7221             rightCol = temp;
7222         }
7223         if (oldBottom < bottomRow)
7224         {
7225             temp = oldBottom;
7226             oldBottom = bottomRow;
7227             bottomRow = temp;
7228         }
7229
7230         // Now, either the stuff marked old is the outer
7231         // rectangle or we don't have a situation where one
7232         // is contained in the other.
7233
7234         if ( oldLeft < leftCol )
7235         {
7236             // Refresh the newly selected or deselected
7237             // area to the left of the old or new selection.
7238             need_refresh[0] = true;
7239             rect[0] = BlockToDeviceRect(
7240                 wxGridCellCoords( oldTop,  oldLeft ),
7241                 wxGridCellCoords( oldBottom, leftCol - 1 ) );
7242         }
7243
7244         if ( oldTop < topRow )
7245         {
7246             // Refresh the newly selected or deselected
7247             // area above the old or new selection.
7248             need_refresh[1] = true;
7249             rect[1] = BlockToDeviceRect(
7250                 wxGridCellCoords( oldTop, leftCol ),
7251                 wxGridCellCoords( topRow - 1, rightCol ) );
7252         }
7253
7254         if ( oldRight > rightCol )
7255         {
7256             // Refresh the newly selected or deselected
7257             // area to the right of the old or new selection.
7258             need_refresh[2] = true;
7259             rect[2] = BlockToDeviceRect(
7260                 wxGridCellCoords( oldTop, rightCol + 1 ),
7261                 wxGridCellCoords( oldBottom, oldRight ) );
7262         }
7263
7264         if ( oldBottom > bottomRow )
7265         {
7266             // Refresh the newly selected or deselected
7267             // area below the old or new selection.
7268             need_refresh[3] = true;
7269             rect[3] = BlockToDeviceRect(
7270                 wxGridCellCoords( bottomRow + 1, leftCol ),
7271                 wxGridCellCoords( oldBottom, rightCol ) );
7272         }
7273
7274         // various Refresh() calls
7275         for (i = 0; i < 4; i++ )
7276             if ( need_refresh[i] && rect[i] != wxGridNoCellRect )
7277                 m_gridWin->Refresh( false, &(rect[i]) );
7278     }
7279
7280     // change selection
7281     m_selectingTopLeft = updateTopLeft;
7282     m_selectingBottomRight = updateBottomRight;
7283 }
7284
7285 //
7286 // ------ functions to get/send data (see also public functions)
7287 //
7288
7289 bool wxGrid::GetModelValues()
7290 {
7291     // Hide the editor, so it won't hide a changed value.
7292     HideCellEditControl();
7293
7294     if ( m_table )
7295     {
7296         // all we need to do is repaint the grid
7297         //
7298         m_gridWin->Refresh();
7299         return true;
7300     }
7301
7302     return false;
7303 }
7304
7305 bool wxGrid::SetModelValues()
7306 {
7307     int row, col;
7308
7309     // Disable the editor, so it won't hide a changed value.
7310     // Do we also want to save the current value of the editor first?
7311     // I think so ...
7312     DisableCellEditControl();
7313
7314     if ( m_table )
7315     {
7316         for ( row = 0; row < m_numRows; row++ )
7317         {
7318             for ( col = 0; col < m_numCols; col++ )
7319             {
7320                 m_table->SetValue( row, col, GetCellValue(row, col) );
7321             }
7322         }
7323
7324         return true;
7325     }
7326
7327     return false;
7328 }
7329
7330 // Note - this function only draws cells that are in the list of
7331 // exposed cells (usually set from the update region by
7332 // CalcExposedCells)
7333 //
7334 void wxGrid::DrawGridCellArea( wxDC& dc, const wxGridCellCoordsArray& cells )
7335 {
7336     if ( !m_numRows || !m_numCols )
7337         return;
7338
7339     int i, numCells = cells.GetCount();
7340     int row, col, cell_rows, cell_cols;
7341     wxGridCellCoordsArray redrawCells;
7342
7343     for ( i = numCells - 1; i >= 0; i-- )
7344     {
7345         row = cells[i].GetRow();
7346         col = cells[i].GetCol();
7347         GetCellSize( row, col, &cell_rows, &cell_cols );
7348
7349         // If this cell is part of a multicell block, find owner for repaint
7350         if ( cell_rows <= 0 || cell_cols <= 0 )
7351         {
7352             wxGridCellCoords cell( row + cell_rows, col + cell_cols );
7353             bool marked = false;
7354             for ( int j = 0; j < numCells; j++ )
7355             {
7356                 if ( cell == cells[j] )
7357                 {
7358                     marked = true;
7359                     break;
7360                 }
7361             }
7362
7363             if (!marked)
7364             {
7365                 int count = redrawCells.GetCount();
7366                 for (int j = 0; j < count; j++)
7367                 {
7368                     if ( cell == redrawCells[j] )
7369                     {
7370                         marked = true;
7371                         break;
7372                     }
7373                 }
7374
7375                 if (!marked)
7376                     redrawCells.Add( cell );
7377             }
7378
7379             // don't bother drawing this cell
7380             continue;
7381         }
7382
7383         // If this cell is empty, find cell to left that might want to overflow
7384         if (m_table && m_table->IsEmptyCell(row, col))
7385         {
7386             for ( int l = 0; l < cell_rows; l++ )
7387             {
7388                 // find a cell in this row to leave already marked for repaint
7389                 int left = col;
7390                 for (int k = 0; k < int(redrawCells.GetCount()); k++)
7391                     if ((redrawCells[k].GetCol() < left) &&
7392                         (redrawCells[k].GetRow() == row))
7393                     {
7394                         left = redrawCells[k].GetCol();
7395                     }
7396
7397                 if (left == col)
7398                     left = 0; // oh well
7399
7400                 for (int j = col - 1; j >= left; j--)
7401                 {
7402                     if (!m_table->IsEmptyCell(row + l, j))
7403                     {
7404                         if (GetCellOverflow(row + l, j))
7405                         {
7406                             wxGridCellCoords cell(row + l, j);
7407                             bool marked = false;
7408
7409                             for (int k = 0; k < numCells; k++)
7410                             {
7411                                 if ( cell == cells[k] )
7412                                 {
7413                                     marked = true;
7414                                     break;
7415                                 }
7416                             }
7417
7418                             if (!marked)
7419                             {
7420                                 int count = redrawCells.GetCount();
7421                                 for (int k = 0; k < count; k++)
7422                                 {
7423                                     if ( cell == redrawCells[k] )
7424                                     {
7425                                         marked = true;
7426                                         break;
7427                                     }
7428                                 }
7429                                 if (!marked)
7430                                     redrawCells.Add( cell );
7431                             }
7432                         }
7433                         break;
7434                     }
7435                 }
7436             }
7437         }
7438
7439         DrawCell( dc, cells[i] );
7440     }
7441
7442     numCells = redrawCells.GetCount();
7443
7444     for ( i = numCells - 1; i >= 0; i-- )
7445     {
7446         DrawCell( dc, redrawCells[i] );
7447     }
7448 }
7449
7450 void wxGrid::DrawGridSpace( wxDC& dc )
7451 {
7452   int cw, ch;
7453   m_gridWin->GetClientSize( &cw, &ch );
7454
7455   int right, bottom;
7456   CalcUnscrolledPosition( cw, ch, &right, &bottom );
7457
7458   int rightCol = m_numCols > 0 ? GetColRight(GetColAt( m_numCols - 1 )) : 0;
7459   int bottomRow = m_numRows > 0 ? GetRowBottom(m_numRows - 1) : 0;
7460
7461   if ( right > rightCol || bottom > bottomRow )
7462   {
7463       int left, top;
7464       CalcUnscrolledPosition( 0, 0, &left, &top );
7465
7466       dc.SetBrush( wxBrush(GetDefaultCellBackgroundColour(), wxSOLID) );
7467       dc.SetPen( *wxTRANSPARENT_PEN );
7468
7469       if ( right > rightCol )
7470       {
7471           dc.DrawRectangle( rightCol, top, right - rightCol, ch );
7472       }
7473
7474       if ( bottom > bottomRow )
7475       {
7476           dc.DrawRectangle( left, bottomRow, cw, bottom - bottomRow );
7477       }
7478   }
7479 }
7480
7481 void wxGrid::DrawCell( wxDC& dc, const wxGridCellCoords& coords )
7482 {
7483     int row = coords.GetRow();
7484     int col = coords.GetCol();
7485
7486     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
7487         return;
7488
7489     // we draw the cell border ourselves
7490 #if !WXGRID_DRAW_LINES
7491     if ( m_gridLinesEnabled )
7492         DrawCellBorder( dc, coords );
7493 #endif
7494
7495     wxGridCellAttr* attr = GetCellAttr(row, col);
7496
7497     bool isCurrent = coords == m_currentCellCoords;
7498
7499     wxRect rect = CellToRect( row, col );
7500
7501     // if the editor is shown, we should use it and not the renderer
7502     // Note: However, only if it is really _shown_, i.e. not hidden!
7503     if ( isCurrent && IsCellEditControlShown() )
7504     {
7505         // NB: this "#if..." is temporary and fixes a problem where the
7506         // edit control is erased by this code after being rendered.
7507         // On wxMac (QD build only), the cell editor is a wxTextCntl and is rendered
7508         // implicitly, causing this out-of order render.
7509 #if !defined(__WXMAC__) || wxMAC_USE_CORE_GRAPHICS
7510         wxGridCellEditor *editor = attr->GetEditor(this, row, col);
7511         editor->PaintBackground(rect, attr);
7512         editor->DecRef();
7513 #endif
7514     }
7515     else
7516     {
7517         // but all the rest is drawn by the cell renderer and hence may be customized
7518         wxGridCellRenderer *renderer = attr->GetRenderer(this, row, col);
7519         renderer->Draw(*this, *attr, dc, rect, row, col, IsInSelection(coords));
7520         renderer->DecRef();
7521     }
7522
7523     attr->DecRef();
7524 }
7525
7526 void wxGrid::DrawCellHighlight( wxDC& dc, const wxGridCellAttr *attr )
7527 {
7528     int row = m_currentCellCoords.GetRow();
7529     int col = m_currentCellCoords.GetCol();
7530
7531     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
7532         return;
7533
7534     wxRect rect = CellToRect(row, col);
7535
7536     // hmmm... what could we do here to show that the cell is disabled?
7537     // for now, I just draw a thinner border than for the other ones, but
7538     // it doesn't look really good
7539
7540     int penWidth = attr->IsReadOnly() ? m_cellHighlightROPenWidth : m_cellHighlightPenWidth;
7541
7542     if (penWidth > 0)
7543     {
7544         // The center of the drawn line is where the position/width/height of
7545         // the rectangle is actually at (on wxMSW at least), so the
7546         // size of the rectangle is reduced to compensate for the thickness of
7547         // the line. If this is too strange on non-wxMSW platforms then
7548         // please #ifdef this appropriately.
7549         rect.x += penWidth / 2;
7550         rect.y += penWidth / 2;
7551         rect.width -= penWidth - 1;
7552         rect.height -= penWidth - 1;
7553
7554         // Now draw the rectangle
7555         // use the cellHighlightColour if the cell is inside a selection, this
7556         // will ensure the cell is always visible.
7557         dc.SetPen(wxPen(IsInSelection(row,col) ? m_selectionForeground : m_cellHighlightColour, penWidth, wxSOLID));
7558         dc.SetBrush(*wxTRANSPARENT_BRUSH);
7559         dc.DrawRectangle(rect);
7560     }
7561
7562 #if 0
7563         // VZ: my experiments with 3D borders...
7564
7565         // how to properly set colours for arbitrary bg?
7566         wxCoord x1 = rect.x,
7567                 y1 = rect.y,
7568                 x2 = rect.x + rect.width - 1,
7569                 y2 = rect.y + rect.height - 1;
7570
7571         dc.SetPen(*wxWHITE_PEN);
7572         dc.DrawLine(x1, y1, x2, y1);
7573         dc.DrawLine(x1, y1, x1, y2);
7574
7575         dc.DrawLine(x1 + 1, y2 - 1, x2 - 1, y2 - 1);
7576         dc.DrawLine(x2 - 1, y1 + 1, x2 - 1, y2);
7577
7578         dc.SetPen(*wxBLACK_PEN);
7579         dc.DrawLine(x1, y2, x2, y2);
7580         dc.DrawLine(x2, y1, x2, y2 + 1);
7581 #endif
7582 }
7583
7584 wxPen wxGrid::GetDefaultGridLinePen()
7585 {
7586     return wxPen(GetGridLineColour(), 1, wxSOLID);
7587 }
7588
7589 wxPen wxGrid::GetRowGridLinePen(int WXUNUSED(row))
7590 {
7591     return GetDefaultGridLinePen();
7592 }
7593
7594 wxPen wxGrid::GetColGridLinePen(int WXUNUSED(col))
7595 {
7596     return GetDefaultGridLinePen();
7597 }
7598
7599 void wxGrid::DrawCellBorder( wxDC& dc, const wxGridCellCoords& coords )
7600 {
7601     int row = coords.GetRow();
7602     int col = coords.GetCol();
7603     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
7604         return;
7605
7606
7607     wxRect rect = CellToRect( row, col );
7608
7609     // right hand border
7610     dc.SetPen( GetColGridLinePen(col) );
7611     dc.DrawLine( rect.x + rect.width, rect.y,
7612                  rect.x + rect.width, rect.y + rect.height + 1 );
7613
7614     // bottom border
7615     dc.SetPen( GetRowGridLinePen(row) );
7616     dc.DrawLine( rect.x, rect.y + rect.height,
7617                  rect.x + rect.width, rect.y + rect.height);
7618 }
7619
7620 void wxGrid::DrawHighlight(wxDC& dc, const wxGridCellCoordsArray& cells)
7621 {
7622     // This if block was previously in wxGrid::OnPaint but that doesn't
7623     // seem to get called under wxGTK - MB
7624     //
7625     if ( m_currentCellCoords == wxGridNoCellCoords &&
7626          m_numRows && m_numCols )
7627     {
7628         m_currentCellCoords.Set(0, 0);
7629     }
7630
7631     if ( IsCellEditControlShown() )
7632     {
7633         // don't show highlight when the edit control is shown
7634         return;
7635     }
7636
7637     // if the active cell was repainted, repaint its highlight too because it
7638     // might have been damaged by the grid lines
7639     size_t count = cells.GetCount();
7640     for ( size_t n = 0; n < count; n++ )
7641     {
7642         if ( cells[n] == m_currentCellCoords )
7643         {
7644             wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords);
7645             DrawCellHighlight(dc, attr);
7646             attr->DecRef();
7647
7648             break;
7649         }
7650     }
7651 }
7652
7653 // TODO: remove this ???
7654 // This is used to redraw all grid lines e.g. when the grid line colour
7655 // has been changed
7656 //
7657 void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & WXUNUSED(reg) )
7658 {
7659 #if !WXGRID_DRAW_LINES
7660     return;
7661 #endif
7662
7663     if ( !m_gridLinesEnabled || !m_numRows || !m_numCols )
7664          return;
7665
7666     int top, bottom, left, right;
7667
7668 #if 0  //#ifndef __WXGTK__
7669     if (reg.IsEmpty())
7670     {
7671       int cw, ch;
7672       m_gridWin->GetClientSize(&cw, &ch);
7673
7674       // virtual coords of visible area
7675       //
7676       CalcUnscrolledPosition( 0, 0, &left, &top );
7677       CalcUnscrolledPosition( cw, ch, &right, &bottom );
7678     }
7679     else
7680     {
7681       wxCoord x, y, w, h;
7682       reg.GetBox(x, y, w, h);
7683       CalcUnscrolledPosition( x, y, &left, &top );
7684       CalcUnscrolledPosition( x + w, y + h, &right, &bottom );
7685     }
7686 #else
7687       int cw, ch;
7688       m_gridWin->GetClientSize(&cw, &ch);
7689       CalcUnscrolledPosition( 0, 0, &left, &top );
7690       CalcUnscrolledPosition( cw, ch, &right, &bottom );
7691 #endif
7692
7693     // avoid drawing grid lines past the last row and col
7694     //
7695     right = wxMin( right, GetColRight(GetColAt( m_numCols - 1 )) );
7696     bottom = wxMin( bottom, GetRowBottom(m_numRows - 1) );
7697
7698     // no gridlines inside multicells, clip them out
7699     int leftCol = GetColPos( internalXToCol(left) );
7700     int topRow = internalYToRow(top);
7701     int rightCol = GetColPos( internalXToCol(right) );
7702     int bottomRow = internalYToRow(bottom);
7703
7704 #ifndef __WXMAC__
7705     // CS: I don't know why suddenly unscrolled coordinates are used for clipping
7706     wxRegion clippedcells(0, 0, cw, ch);
7707
7708     int i, j, cell_rows, cell_cols;
7709     wxRect rect;
7710
7711     for (j=topRow; j<bottomRow; j++)
7712     {
7713         int colPos;
7714         for (colPos=leftCol; colPos<rightCol; colPos++)
7715         {
7716             i = GetColAt( colPos );
7717
7718             GetCellSize( j, i, &cell_rows, &cell_cols );
7719             if ((cell_rows > 1) || (cell_cols > 1))
7720             {
7721                 rect = CellToRect(j,i);
7722                 CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
7723                 clippedcells.Subtract(rect);
7724             }
7725             else if ((cell_rows < 0) || (cell_cols < 0))
7726             {
7727                 rect = CellToRect(j + cell_rows, i + cell_cols);
7728                 CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
7729                 clippedcells.Subtract(rect);
7730             }
7731         }
7732     }
7733 #else
7734     wxRegion clippedcells( left, top, right - left, bottom - top );
7735
7736     int i, j, cell_rows, cell_cols;
7737     wxRect rect;
7738
7739     for (j=topRow; j<bottomRow; j++)
7740     {
7741         for (i=leftCol; i<rightCol; i++)
7742         {
7743             GetCellSize( j, i, &cell_rows, &cell_cols );
7744             if ((cell_rows > 1) || (cell_cols > 1))
7745             {
7746                 rect = CellToRect(j, i);
7747                 clippedcells.Subtract(rect);
7748             }
7749             else if ((cell_rows < 0) || (cell_cols < 0))
7750             {
7751                 rect = CellToRect(j + cell_rows, i + cell_cols);
7752                 clippedcells.Subtract(rect);
7753             }
7754         }
7755     }
7756 #endif
7757
7758     dc.SetClippingRegion( clippedcells );
7759
7760
7761     // horizontal grid lines
7762     //
7763     // already declared above - int i;
7764     for ( i = internalYToRow(top); i < m_numRows; i++ )
7765     {
7766         int bot = GetRowBottom(i) - 1;
7767
7768         if ( bot > bottom )
7769         {
7770             break;
7771         }
7772
7773         if ( bot >= top )
7774         {
7775             dc.SetPen( GetRowGridLinePen(i) );
7776             dc.DrawLine( left, bot, right, bot );
7777         }
7778     }
7779
7780     // vertical grid lines
7781     //
7782     int colPos;
7783     for ( colPos = leftCol; colPos < m_numCols; colPos++ )
7784     {
7785         i = GetColAt( colPos );
7786
7787         int colRight = GetColRight(i);
7788 #ifdef __WXGTK__
7789         if (GetLayoutDirection() != wxLayout_RightToLeft)
7790 #endif
7791             colRight--;
7792
7793         if ( colRight > right )
7794         {
7795             break;
7796         }
7797
7798         if ( colRight >= left )
7799         {
7800             dc.SetPen( GetColGridLinePen(i) );
7801             dc.DrawLine( colRight, top, colRight, bottom );
7802         }
7803     }
7804
7805     dc.DestroyClippingRegion();
7806 }
7807
7808 void wxGrid::DrawRowLabels( wxDC& dc, const wxArrayInt& rows)
7809 {
7810     if ( !m_numRows )
7811         return;
7812
7813     size_t i;
7814     size_t numLabels = rows.GetCount();
7815
7816     for ( i = 0; i < numLabels; i++ )
7817     {
7818         DrawRowLabel( dc, rows[i] );
7819     }
7820 }
7821
7822 void wxGrid::DrawRowLabel( wxDC& dc, int row )
7823 {
7824     if ( GetRowHeight(row) <= 0 || m_rowLabelWidth <= 0 )
7825         return;
7826
7827     wxRect rect;
7828
7829 #if 0
7830 def __WXGTK20__
7831     rect.SetX( 1 );
7832     rect.SetY( GetRowTop(row) + 1 );
7833     rect.SetWidth( m_rowLabelWidth - 2 );
7834     rect.SetHeight( GetRowHeight(row) - 2 );
7835
7836     CalcScrolledPosition( 0, rect.y, NULL, &rect.y );
7837
7838     wxWindowDC *win_dc = (wxWindowDC*) &dc;
7839
7840     wxRendererNative::Get().DrawHeaderButton( win_dc->m_owner, dc, rect, 0 );
7841 #else
7842     int rowTop = GetRowTop(row),
7843         rowBottom = GetRowBottom(row) - 1;
7844
7845     dc.SetPen( wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW), 1, wxSOLID) );
7846     dc.DrawLine( m_rowLabelWidth - 1, rowTop, m_rowLabelWidth - 1, rowBottom );
7847     dc.DrawLine( 0, rowTop, 0, rowBottom );
7848     dc.DrawLine( 0, rowBottom, m_rowLabelWidth, rowBottom );
7849
7850     dc.SetPen( *wxWHITE_PEN );
7851     dc.DrawLine( 1, rowTop, 1, rowBottom );
7852     dc.DrawLine( 1, rowTop, m_rowLabelWidth - 1, rowTop );
7853 #endif
7854
7855     dc.SetBackgroundMode( wxTRANSPARENT );
7856     dc.SetTextForeground( GetLabelTextColour() );
7857     dc.SetFont( GetLabelFont() );
7858
7859     int hAlign, vAlign;
7860     GetRowLabelAlignment( &hAlign, &vAlign );
7861
7862     rect.SetX( 2 );
7863     rect.SetY( GetRowTop(row) + 2 );
7864     rect.SetWidth( m_rowLabelWidth - 4 );
7865     rect.SetHeight( GetRowHeight(row) - 4 );
7866     DrawTextRectangle( dc, GetRowLabelValue( row ), rect, hAlign, vAlign );
7867 }
7868
7869 void wxGrid::DrawColLabels( wxDC& dc,const wxArrayInt& cols )
7870 {
7871     if ( !m_numCols )
7872         return;
7873
7874     size_t i;
7875     size_t numLabels = cols.GetCount();
7876
7877     for ( i = 0; i < numLabels; i++ )
7878     {
7879         DrawColLabel( dc, cols[i] );
7880     }
7881 }
7882
7883 void wxGrid::DrawColLabel( wxDC& dc, int col )
7884 {
7885     if ( GetColWidth(col) <= 0 || m_colLabelHeight <= 0 )
7886         return;
7887
7888     int colLeft = GetColLeft(col);
7889
7890     wxRect rect;
7891
7892 #if 0
7893 def __WXGTK20__
7894     rect.SetX( colLeft + 1 );
7895     rect.SetY( 1 );
7896     rect.SetWidth( GetColWidth(col) - 2 );
7897     rect.SetHeight( m_colLabelHeight - 2 );
7898
7899     wxWindowDC *win_dc = (wxWindowDC*) &dc;
7900
7901     wxRendererNative::Get().DrawHeaderButton( win_dc->m_owner, dc, rect, 0 );
7902 #else
7903     int colRight = GetColRight(col) - 1;
7904
7905     dc.SetPen( wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW), 1, wxSOLID) );
7906     dc.DrawLine( colRight, 0, colRight, m_colLabelHeight - 1 );
7907     dc.DrawLine( colLeft, 0, colRight, 0 );
7908     dc.DrawLine( colLeft, m_colLabelHeight - 1,
7909                  colRight + 1, m_colLabelHeight - 1 );
7910
7911     dc.SetPen( *wxWHITE_PEN );
7912     dc.DrawLine( colLeft, 1, colLeft, m_colLabelHeight - 1 );
7913     dc.DrawLine( colLeft, 1, colRight, 1 );
7914 #endif
7915
7916     dc.SetBackgroundMode( wxTRANSPARENT );
7917     dc.SetTextForeground( GetLabelTextColour() );
7918     dc.SetFont( GetLabelFont() );
7919
7920     int hAlign, vAlign, orient;
7921     GetColLabelAlignment( &hAlign, &vAlign );
7922     orient = GetColLabelTextOrientation();
7923
7924     rect.SetX( colLeft + 2 );
7925     rect.SetY( 2 );
7926     rect.SetWidth( GetColWidth(col) - 4 );
7927     rect.SetHeight( m_colLabelHeight - 4 );
7928     DrawTextRectangle( dc, GetColLabelValue( col ), rect, hAlign, vAlign, orient );
7929 }
7930
7931 void wxGrid::DrawTextRectangle( wxDC& dc,
7932                                 const wxString& value,
7933                                 const wxRect& rect,
7934                                 int horizAlign,
7935                                 int vertAlign,
7936                                 int textOrientation )
7937 {
7938     wxArrayString lines;
7939
7940     StringToLines( value, lines );
7941
7942     // Forward to new API.
7943     DrawTextRectangle( dc,
7944         lines,
7945         rect,
7946         horizAlign,
7947         vertAlign,
7948         textOrientation );
7949 }
7950
7951 // VZ: this should be replaced with wxDC::DrawLabel() to which we just have to
7952 //     add textOrientation support
7953 void wxGrid::DrawTextRectangle(wxDC& dc,
7954                                const wxArrayString& lines,
7955                                const wxRect& rect,
7956                                int horizAlign,
7957                                int vertAlign,
7958                                int textOrientation)
7959 {
7960     if ( lines.empty() )
7961         return;
7962
7963     wxDCClipper clip(dc, rect);
7964
7965     long textWidth,
7966          textHeight;
7967
7968     if ( textOrientation == wxHORIZONTAL )
7969         GetTextBoxSize( dc, lines, &textWidth, &textHeight );
7970     else
7971         GetTextBoxSize( dc, lines, &textHeight, &textWidth );
7972
7973     int x = 0,
7974         y = 0;
7975     switch ( vertAlign )
7976     {
7977         case wxALIGN_BOTTOM:
7978             if ( textOrientation == wxHORIZONTAL )
7979                 y = rect.y + (rect.height - textHeight - 1);
7980             else
7981                 x = rect.x + rect.width - textWidth;
7982             break;
7983
7984         case wxALIGN_CENTRE:
7985             if ( textOrientation == wxHORIZONTAL )
7986                 y = rect.y + ((rect.height - textHeight) / 2);
7987             else
7988                 x = rect.x + ((rect.width - textWidth) / 2);
7989             break;
7990
7991         case wxALIGN_TOP:
7992         default:
7993             if ( textOrientation == wxHORIZONTAL )
7994                 y = rect.y + 1;
7995             else
7996                 x = rect.x + 1;
7997             break;
7998     }
7999
8000     // Align each line of a multi-line label
8001     size_t nLines = lines.GetCount();
8002     for ( size_t l = 0; l < nLines; l++ )
8003     {
8004         const wxString& line = lines[l];
8005
8006         if ( line.empty() )
8007         {
8008             *(textOrientation == wxHORIZONTAL ? &y : &x) += dc.GetCharHeight();
8009             continue;
8010         }
8011
8012         long lineWidth = 0,
8013              lineHeight = 0;
8014         dc.GetTextExtent(line, &lineWidth, &lineHeight);
8015
8016         switch ( horizAlign )
8017         {
8018             case wxALIGN_RIGHT:
8019                 if ( textOrientation == wxHORIZONTAL )
8020                     x = rect.x + (rect.width - lineWidth - 1);
8021                 else
8022                     y = rect.y + lineWidth + 1;
8023                 break;
8024
8025             case wxALIGN_CENTRE:
8026                 if ( textOrientation == wxHORIZONTAL )
8027                     x = rect.x + ((rect.width - lineWidth) / 2);
8028                 else
8029                     y = rect.y + rect.height - ((rect.height - lineWidth) / 2);
8030                 break;
8031
8032             case wxALIGN_LEFT:
8033             default:
8034                 if ( textOrientation == wxHORIZONTAL )
8035                     x = rect.x + 1;
8036                 else
8037                     y = rect.y + rect.height - 1;
8038                 break;
8039         }
8040
8041         if ( textOrientation == wxHORIZONTAL )
8042         {
8043             dc.DrawText( line, x, y );
8044             y += lineHeight;
8045         }
8046         else
8047         {
8048             dc.DrawRotatedText( line, x, y, 90.0 );
8049             x += lineHeight;
8050         }
8051     }
8052 }
8053
8054 // Split multi-line text up into an array of strings.
8055 // Any existing contents of the string array are preserved.
8056 //
8057 void wxGrid::StringToLines( const wxString& value, wxArrayString& lines )
8058 {
8059     int startPos = 0;
8060     int pos;
8061     wxString eol = wxTextFile::GetEOL( wxTextFileType_Unix );
8062     wxString tVal = wxTextFile::Translate( value, wxTextFileType_Unix );
8063
8064     while ( startPos < (int)tVal.length() )
8065     {
8066         pos = tVal.Mid(startPos).Find( eol );
8067         if ( pos < 0 )
8068         {
8069             break;
8070         }
8071         else if ( pos == 0 )
8072         {
8073             lines.Add( wxEmptyString );
8074         }
8075         else
8076         {
8077             lines.Add( value.Mid(startPos, pos) );
8078         }
8079
8080         startPos += pos + 1;
8081     }
8082
8083     if ( startPos < (int)value.length() )
8084     {
8085         lines.Add( value.Mid( startPos ) );
8086     }
8087 }
8088
8089 void wxGrid::GetTextBoxSize( const wxDC& dc,
8090                              const wxArrayString& lines,
8091                              long *width, long *height )
8092 {
8093     long w = 0;
8094     long h = 0;
8095     long lineW = 0, lineH = 0;
8096
8097     size_t i;
8098     for ( i = 0; i < lines.GetCount(); i++ )
8099     {
8100         dc.GetTextExtent( lines[i], &lineW, &lineH );
8101         w = wxMax( w, lineW );
8102         h += lineH;
8103     }
8104
8105     *width = w;
8106     *height = h;
8107 }
8108
8109 //
8110 // ------ Batch processing.
8111 //
8112 void wxGrid::EndBatch()
8113 {
8114     if ( m_batchCount > 0 )
8115     {
8116         m_batchCount--;
8117         if ( !m_batchCount )
8118         {
8119             CalcDimensions();
8120             m_rowLabelWin->Refresh();
8121             m_colLabelWin->Refresh();
8122             m_cornerLabelWin->Refresh();
8123             m_gridWin->Refresh();
8124         }
8125     }
8126 }
8127
8128 // Use this, rather than wxWindow::Refresh(), to force an immediate
8129 // repainting of the grid. Has no effect if you are already inside a
8130 // BeginBatch / EndBatch block.
8131 //
8132 void wxGrid::ForceRefresh()
8133 {
8134     BeginBatch();
8135     EndBatch();
8136 }
8137
8138 bool wxGrid::Enable(bool enable)
8139 {
8140     if ( !wxScrolledWindow::Enable(enable) )
8141         return false;
8142
8143     // redraw in the new state
8144     m_gridWin->Refresh();
8145
8146     return true;
8147 }
8148
8149 //
8150 // ------ Edit control functions
8151 //
8152
8153 void wxGrid::EnableEditing( bool edit )
8154 {
8155     // TODO: improve this ?
8156     //
8157     if ( edit != m_editable )
8158     {
8159         if (!edit)
8160             EnableCellEditControl(edit);
8161         m_editable = edit;
8162     }
8163 }
8164
8165 void wxGrid::EnableCellEditControl( bool enable )
8166 {
8167     if (! m_editable)
8168         return;
8169
8170     if ( enable != m_cellEditCtrlEnabled )
8171     {
8172         if ( enable )
8173         {
8174             if (SendEvent( wxEVT_GRID_EDITOR_SHOWN) <0)
8175                 return;
8176
8177             // this should be checked by the caller!
8178             wxASSERT_MSG( CanEnableCellControl(), _T("can't enable editing for this cell!") );
8179
8180             // do it before ShowCellEditControl()
8181             m_cellEditCtrlEnabled = enable;
8182
8183             ShowCellEditControl();
8184         }
8185         else
8186         {
8187             //FIXME:add veto support
8188             SendEvent( wxEVT_GRID_EDITOR_HIDDEN );
8189
8190             HideCellEditControl();
8191             SaveEditControlValue();
8192
8193             // do it after HideCellEditControl()
8194             m_cellEditCtrlEnabled = enable;
8195         }
8196     }
8197 }
8198
8199 bool wxGrid::IsCurrentCellReadOnly() const
8200 {
8201     // const_cast
8202     wxGridCellAttr* attr = ((wxGrid *)this)->GetCellAttr(m_currentCellCoords);
8203     bool readonly = attr->IsReadOnly();
8204     attr->DecRef();
8205
8206     return readonly;
8207 }
8208
8209 bool wxGrid::CanEnableCellControl() const
8210 {
8211     return m_editable && (m_currentCellCoords != wxGridNoCellCoords) &&
8212         !IsCurrentCellReadOnly();
8213 }
8214
8215 bool wxGrid::IsCellEditControlEnabled() const
8216 {
8217     // the cell edit control might be disable for all cells or just for the
8218     // current one if it's read only
8219     return m_cellEditCtrlEnabled ? !IsCurrentCellReadOnly() : false;
8220 }
8221
8222 bool wxGrid::IsCellEditControlShown() const
8223 {
8224     bool isShown = false;
8225
8226     if ( m_cellEditCtrlEnabled )
8227     {
8228         int row = m_currentCellCoords.GetRow();
8229         int col = m_currentCellCoords.GetCol();
8230         wxGridCellAttr* attr = GetCellAttr(row, col);
8231         wxGridCellEditor* editor = attr->GetEditor((wxGrid*) this, row, col);
8232         attr->DecRef();
8233
8234         if ( editor )
8235         {
8236             if ( editor->IsCreated() )
8237             {
8238                 isShown = editor->GetControl()->IsShown();
8239             }
8240
8241             editor->DecRef();
8242         }
8243     }
8244
8245     return isShown;
8246 }
8247
8248 void wxGrid::ShowCellEditControl()
8249 {
8250     if ( IsCellEditControlEnabled() )
8251     {
8252         if ( !IsVisible( m_currentCellCoords, false ) )
8253         {
8254             m_cellEditCtrlEnabled = false;
8255             return;
8256         }
8257         else
8258         {
8259             wxRect rect = CellToRect( m_currentCellCoords );
8260             int row = m_currentCellCoords.GetRow();
8261             int col = m_currentCellCoords.GetCol();
8262
8263             // if this is part of a multicell, find owner (topleft)
8264             int cell_rows, cell_cols;
8265             GetCellSize( row, col, &cell_rows, &cell_cols );
8266             if ( cell_rows <= 0 || cell_cols <= 0 )
8267             {
8268                 row += cell_rows;
8269                 col += cell_cols;
8270                 m_currentCellCoords.SetRow( row );
8271                 m_currentCellCoords.SetCol( col );
8272             }
8273
8274             // erase the highlight and the cell contents because the editor
8275             // might not cover the entire cell
8276             wxClientDC dc( m_gridWin );
8277             PrepareDC( dc );
8278             dc.SetBrush(wxBrush(GetCellAttr(row, col)->GetBackgroundColour(), wxSOLID));
8279             dc.SetPen(*wxTRANSPARENT_PEN);
8280             dc.DrawRectangle(rect);
8281
8282             // convert to scrolled coords
8283             CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
8284
8285             int nXMove = 0;
8286             if (rect.x < 0)
8287                 nXMove = rect.x;
8288
8289             // cell is shifted by one pixel
8290             // However, don't allow x or y to become negative
8291             // since the SetSize() method interprets that as
8292             // "don't change."
8293             if (rect.x > 0)
8294                 rect.x--;
8295             if (rect.y > 0)
8296                 rect.y--;
8297
8298             wxGridCellAttr* attr = GetCellAttr(row, col);
8299             wxGridCellEditor* editor = attr->GetEditor(this, row, col);
8300             if ( !editor->IsCreated() )
8301             {
8302                 editor->Create(m_gridWin, wxID_ANY,
8303                                new wxGridCellEditorEvtHandler(this, editor));
8304
8305                 wxGridEditorCreatedEvent evt(GetId(),
8306                                              wxEVT_GRID_EDITOR_CREATED,
8307                                              this,
8308                                              row,
8309                                              col,
8310                                              editor->GetControl());
8311                 GetEventHandler()->ProcessEvent(evt);
8312             }
8313
8314             // resize editor to overflow into righthand cells if allowed
8315             int maxWidth = rect.width;
8316             wxString value = GetCellValue(row, col);
8317             if ( (value != wxEmptyString) && (attr->GetOverflow()) )
8318             {
8319                 int y;
8320                 GetTextExtent(value, &maxWidth, &y, NULL, NULL, &attr->GetFont());
8321                 if (maxWidth < rect.width)
8322                     maxWidth = rect.width;
8323             }
8324
8325             int client_right = m_gridWin->GetClientSize().GetWidth();
8326             if (rect.x + maxWidth > client_right)
8327                 maxWidth = client_right - rect.x;
8328
8329             if ((maxWidth > rect.width) && (col < m_numCols) && m_table)
8330             {
8331                 GetCellSize( row, col, &cell_rows, &cell_cols );
8332                 // may have changed earlier
8333                 for (int i = col + cell_cols; i < m_numCols; i++)
8334                 {
8335                     int c_rows, c_cols;
8336                     GetCellSize( row, i, &c_rows, &c_cols );
8337
8338                     // looks weird going over a multicell
8339                     if (m_table->IsEmptyCell( row, i ) &&
8340                             (rect.width < maxWidth) && (c_rows == 1))
8341                     {
8342                         rect.width += GetColWidth( i );
8343                     }
8344                     else
8345                         break;
8346                 }
8347
8348                 if (rect.GetRight() > client_right)
8349                     rect.SetRight( client_right - 1 );
8350             }
8351
8352             editor->SetCellAttr( attr );
8353             editor->SetSize( rect );
8354             if (nXMove != 0)
8355                 editor->GetControl()->Move(
8356                     editor->GetControl()->GetPosition().x + nXMove,
8357                     editor->GetControl()->GetPosition().y );
8358             editor->Show( true, attr );
8359
8360             // recalc dimensions in case we need to
8361             // expand the scrolled window to account for editor
8362             CalcDimensions();
8363
8364             editor->BeginEdit(row, col, this);
8365             editor->SetCellAttr(NULL);
8366
8367             editor->DecRef();
8368             attr->DecRef();
8369         }
8370     }
8371 }
8372
8373 void wxGrid::HideCellEditControl()
8374 {
8375     if ( IsCellEditControlEnabled() )
8376     {
8377         int row = m_currentCellCoords.GetRow();
8378         int col = m_currentCellCoords.GetCol();
8379
8380         wxGridCellAttr *attr = GetCellAttr(row, col);
8381         wxGridCellEditor *editor = attr->GetEditor(this, row, col);
8382         editor->Show( false );
8383         editor->DecRef();
8384         attr->DecRef();
8385
8386         m_gridWin->SetFocus();
8387
8388         // refresh whole row to the right
8389         wxRect rect( CellToRect(row, col) );
8390         CalcScrolledPosition(rect.x, rect.y, &rect.x, &rect.y );
8391         rect.width = m_gridWin->GetClientSize().GetWidth() - rect.x;
8392
8393 #ifdef __WXMAC__
8394         // ensure that the pixels under the focus ring get refreshed as well
8395         rect.Inflate(10, 10);
8396 #endif
8397
8398         m_gridWin->Refresh( false, &rect );
8399     }
8400 }
8401
8402 void wxGrid::SaveEditControlValue()
8403 {
8404     if ( IsCellEditControlEnabled() )
8405     {
8406         int row = m_currentCellCoords.GetRow();
8407         int col = m_currentCellCoords.GetCol();
8408
8409         wxString oldval = GetCellValue(row, col);
8410
8411         wxGridCellAttr* attr = GetCellAttr(row, col);
8412         wxGridCellEditor* editor = attr->GetEditor(this, row, col);
8413         bool changed = editor->EndEdit(row, col, this);
8414
8415         editor->DecRef();
8416         attr->DecRef();
8417
8418         if (changed)
8419         {
8420             if ( SendEvent( wxEVT_GRID_CELL_CHANGE,
8421                        m_currentCellCoords.GetRow(),
8422                        m_currentCellCoords.GetCol() ) < 0 )
8423             {
8424                 // Event has been vetoed, set the data back.
8425                 SetCellValue(row, col, oldval);
8426             }
8427         }
8428     }
8429 }
8430
8431 //
8432 // ------ Grid location functions
8433 //  Note that all of these functions work with the logical coordinates of
8434 //  grid cells and labels so you will need to convert from device
8435 //  coordinates for mouse events etc.
8436 //
8437
8438 void wxGrid::XYToCell( int x, int y, wxGridCellCoords& coords )
8439 {
8440     int row = YToRow(y);
8441     int col = XToCol(x);
8442
8443     if ( row == -1 || col == -1 )
8444     {
8445         coords = wxGridNoCellCoords;
8446     }
8447     else
8448     {
8449         coords.Set( row, col );
8450     }
8451 }
8452
8453 // Internal Helper function for computing row or column from some
8454 // (unscrolled) coordinate value, using either
8455 // m_defaultRowHeight/m_defaultColWidth or binary search on array
8456 // of m_rowBottoms/m_ColRights to speed up the search!
8457
8458 static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
8459                            const wxArrayInt& BorderArray, int nMax,
8460                            bool clipToMinMax)
8461 {
8462     if (coord < 0)
8463         return clipToMinMax && (nMax > 0) ? 0 : -1;
8464
8465     if (!defaultDist)
8466         defaultDist = 1;
8467
8468     size_t i_max = coord / defaultDist,
8469            i_min = 0;
8470
8471     if (BorderArray.IsEmpty())
8472     {
8473         if ((int) i_max < nMax)
8474             return i_max;
8475         return clipToMinMax ? nMax - 1 : -1;
8476     }
8477
8478     if ( i_max >= BorderArray.GetCount())
8479     {
8480         i_max = BorderArray.GetCount() - 1;
8481     }
8482     else
8483     {
8484         if ( coord >= BorderArray[i_max])
8485         {
8486             i_min = i_max;
8487             if (minDist)
8488                 i_max = coord / minDist;
8489             else
8490                 i_max =  BorderArray.GetCount() - 1;
8491         }
8492
8493         if ( i_max >= BorderArray.GetCount())
8494             i_max = BorderArray.GetCount() - 1;
8495     }
8496
8497     if ( coord >= BorderArray[i_max])
8498         return clipToMinMax ? (int)i_max : -1;
8499     if ( coord < BorderArray[0] )
8500         return 0;
8501
8502     while ( i_max - i_min > 0 )
8503     {
8504         wxCHECK_MSG(BorderArray[i_min] <= coord && coord < BorderArray[i_max],
8505                     0, _T("wxGrid: internal error in CoordToRowOrCol"));
8506         if (coord >=  BorderArray[ i_max - 1])
8507             return i_max;
8508         else
8509             i_max--;
8510         int median = i_min + (i_max - i_min + 1) / 2;
8511         if (coord < BorderArray[median])
8512             i_max = median;
8513         else
8514             i_min = median;
8515     }
8516
8517     return i_max;
8518 }
8519
8520 int wxGrid::YToRow( int y )
8521 {
8522     return CoordToRowOrCol(y, m_defaultRowHeight,
8523                            m_minAcceptableRowHeight, m_rowBottoms, m_numRows, false);
8524 }
8525
8526 int wxGrid::XToCol( int x, bool clipToMinMax )
8527 {
8528     if (x < 0)
8529         return clipToMinMax && (m_numCols > 0) ? GetColAt( 0 ) : -1;
8530
8531     if (!m_defaultColWidth)
8532         m_defaultColWidth = 1;
8533
8534     int maxPos = x / m_defaultColWidth;
8535     int minPos = 0;
8536
8537     if (m_colRights.IsEmpty())
8538     {
8539         if(maxPos < m_numCols)
8540             return GetColAt( maxPos );
8541         return clipToMinMax ? GetColAt( m_numCols - 1 ) : -1;
8542     }
8543
8544     if ( maxPos >= m_numCols)
8545         maxPos = m_numCols - 1;
8546     else
8547     {
8548         if ( x >= m_colRights[GetColAt( maxPos )])
8549         {
8550             minPos = maxPos;
8551             if (m_minAcceptableColWidth)
8552                 maxPos = x / m_minAcceptableColWidth;
8553             else
8554                 maxPos =  m_numCols - 1;
8555         }
8556         if ( maxPos >= m_numCols)
8557             maxPos = m_numCols - 1;
8558     }
8559
8560     //X is beyond the last column
8561     if ( x >= m_colRights[GetColAt( maxPos )])
8562         return clipToMinMax ? GetColAt( maxPos ) : -1;
8563
8564     //X is before the first column
8565     if ( x < m_colRights[GetColAt( 0 )] )
8566         return GetColAt( 0 );
8567
8568     //Perform a binary search
8569     while ( maxPos - minPos > 0 )
8570     {
8571         wxCHECK_MSG(m_colRights[GetColAt( minPos )] <= x && x < m_colRights[GetColAt( maxPos )],
8572                     0, _T("wxGrid: internal error in XToCol"));
8573
8574         if (x >=  m_colRights[GetColAt( maxPos - 1 )])
8575             return GetColAt( maxPos );
8576         else
8577             maxPos--;
8578         int median = minPos + (maxPos - minPos + 1) / 2;
8579         if (x < m_colRights[GetColAt( median )])
8580             maxPos = median;
8581         else
8582             minPos = median;
8583     }
8584     return GetColAt( maxPos );
8585 }
8586
8587 // return the row number that that the y coord is near
8588 //  the edge of, or -1 if not near an edge.
8589 // coords can only possibly be near an edge if
8590 //    (a) the row/column is large enough to still allow for an "inner" area
8591 //        that is _not_ nead the edge (i.e., if the height/width is smaller
8592 //        than WXGRID_LABEL_EDGE_ZONE, coords are _never_ considered to be
8593 //        near the edge).
8594 //   and
8595 //    (b) resizing rows/columns (the thing for which edge detection is
8596 //        relevant at all) is enabled.
8597 //
8598 int wxGrid::YToEdgeOfRow( int y )
8599 {
8600     int i;
8601     i = internalYToRow(y);
8602
8603     if ( GetRowHeight(i) > WXGRID_LABEL_EDGE_ZONE && CanDragRowSize() )
8604     {
8605         // We know that we are in row i, test whether we are
8606         // close enough to lower or upper border, respectively.
8607         if ( abs(GetRowBottom(i) - y) < WXGRID_LABEL_EDGE_ZONE )
8608             return i;
8609         else if ( i > 0 && y - GetRowTop(i) < WXGRID_LABEL_EDGE_ZONE )
8610             return i - 1;
8611     }
8612
8613     return -1;
8614 }
8615
8616 // return the col number that that the x coord is near the edge of, or
8617 // -1 if not near an edge
8618 // See comment at YToEdgeOfRow for conditions on edge detection.
8619 //
8620 int wxGrid::XToEdgeOfCol( int x )
8621 {
8622     int i;
8623     i = internalXToCol(x);
8624
8625     if ( GetColWidth(i) > WXGRID_LABEL_EDGE_ZONE && CanDragColSize() )
8626     {
8627         // We know that we are in column i; test whether we are
8628         // close enough to right or left border, respectively.
8629         if ( abs(GetColRight(i) - x) < WXGRID_LABEL_EDGE_ZONE )
8630             return i;
8631         else if ( i > 0 && x - GetColLeft(i) < WXGRID_LABEL_EDGE_ZONE )
8632             return i - 1;
8633     }
8634
8635     return -1;
8636 }
8637
8638 wxRect wxGrid::CellToRect( int row, int col )
8639 {
8640     wxRect rect( -1, -1, -1, -1 );
8641
8642     if ( row >= 0 && row < m_numRows &&
8643          col >= 0 && col < m_numCols )
8644     {
8645         int i, cell_rows, cell_cols;
8646         rect.width = rect.height = 0;
8647         GetCellSize( row, col, &cell_rows, &cell_cols );
8648         // if negative then find multicell owner
8649         if (cell_rows < 0)
8650             row += cell_rows;
8651         if (cell_cols < 0)
8652              col += cell_cols;
8653         GetCellSize( row, col, &cell_rows, &cell_cols );
8654
8655         rect.x = GetColLeft(col);
8656         rect.y = GetRowTop(row);
8657         for (i=col; i < col + cell_cols; i++)
8658             rect.width += GetColWidth(i);
8659         for (i=row; i < row + cell_rows; i++)
8660             rect.height += GetRowHeight(i);
8661     }
8662
8663     // if grid lines are enabled, then the area of the cell is a bit smaller
8664     if (m_gridLinesEnabled)
8665     {
8666         rect.width -= 1;
8667         rect.height -= 1;
8668     }
8669
8670     return rect;
8671 }
8672
8673 bool wxGrid::IsVisible( int row, int col, bool wholeCellVisible )
8674 {
8675     // get the cell rectangle in logical coords
8676     //
8677     wxRect r( CellToRect( row, col ) );
8678
8679     // convert to device coords
8680     //
8681     int left, top, right, bottom;
8682     CalcScrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
8683     CalcScrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
8684
8685     // check against the client area of the grid window
8686     int cw, ch;
8687     m_gridWin->GetClientSize( &cw, &ch );
8688
8689     if ( wholeCellVisible )
8690     {
8691         // is the cell wholly visible ?
8692         return ( left >= 0 && right <= cw &&
8693                  top >= 0 && bottom <= ch );
8694     }
8695     else
8696     {
8697         // is the cell partly visible ?
8698         //
8699         return ( ((left >= 0 && left < cw) || (right > 0 && right <= cw)) &&
8700                  ((top >= 0 && top < ch) || (bottom > 0 && bottom <= ch)) );
8701     }
8702 }
8703
8704 // make the specified cell location visible by doing a minimal amount
8705 // of scrolling
8706 //
8707 void wxGrid::MakeCellVisible( int row, int col )
8708 {
8709     int i;
8710     int xpos = -1, ypos = -1;
8711
8712     if ( row >= 0 && row < m_numRows &&
8713          col >= 0 && col < m_numCols )
8714     {
8715         // get the cell rectangle in logical coords
8716         wxRect r( CellToRect( row, col ) );
8717
8718         // convert to device coords
8719         int left, top, right, bottom;
8720         CalcScrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
8721         CalcScrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
8722
8723         int cw, ch;
8724         m_gridWin->GetClientSize( &cw, &ch );
8725
8726         if ( top < 0 )
8727         {
8728             ypos = r.GetTop();
8729         }
8730         else if ( bottom > ch )
8731         {
8732             int h = r.GetHeight();
8733             ypos = r.GetTop();
8734             for ( i = row - 1; i >= 0; i-- )
8735             {
8736                 int rowHeight = GetRowHeight(i);
8737                 if ( h + rowHeight > ch )
8738                     break;
8739
8740                 h += rowHeight;
8741                 ypos -= rowHeight;
8742             }
8743
8744             // we divide it later by GRID_SCROLL_LINE, make sure that we don't
8745             // have rounding errors (this is important, because if we do,
8746             // we might not scroll at all and some cells won't be redrawn)
8747             //
8748             // Sometimes GRID_SCROLL_LINE / 2 is not enough,
8749             // so just add a full scroll unit...
8750             ypos += m_scrollLineY;
8751         }
8752
8753         // special handling for wide cells - show always left part of the cell!
8754         // Otherwise, e.g. when stepping from row to row, it would jump between
8755         // left and right part of the cell on every step!
8756 //      if ( left < 0 )
8757         if ( left < 0 || (right - left) >= cw )
8758         {
8759             xpos = r.GetLeft();
8760         }
8761         else if ( right > cw )
8762         {
8763             // position the view so that the cell is on the right
8764             int x0, y0;
8765             CalcUnscrolledPosition(0, 0, &x0, &y0);
8766             xpos = x0 + (right - cw);
8767
8768             // see comment for ypos above
8769             xpos += m_scrollLineX;
8770         }
8771
8772         if ( xpos != -1 || ypos != -1 )
8773         {
8774             if ( xpos != -1 )
8775                 xpos /= m_scrollLineX;
8776             if ( ypos != -1 )
8777                 ypos /= m_scrollLineY;
8778             Scroll( xpos, ypos );
8779             AdjustScrollbars();
8780         }
8781     }
8782 }
8783
8784 //
8785 // ------ Grid cursor movement functions
8786 //
8787
8788 bool wxGrid::MoveCursorUp( bool expandSelection )
8789 {
8790     if ( m_currentCellCoords != wxGridNoCellCoords &&
8791          m_currentCellCoords.GetRow() >= 0 )
8792     {
8793         if ( expandSelection )
8794         {
8795             if ( m_selectingKeyboard == wxGridNoCellCoords )
8796                 m_selectingKeyboard = m_currentCellCoords;
8797             if ( m_selectingKeyboard.GetRow() > 0 )
8798             {
8799                 m_selectingKeyboard.SetRow( m_selectingKeyboard.GetRow() - 1 );
8800                 MakeCellVisible( m_selectingKeyboard.GetRow(),
8801                                  m_selectingKeyboard.GetCol() );
8802                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
8803             }
8804         }
8805         else if ( m_currentCellCoords.GetRow() > 0 )
8806         {
8807             int row = m_currentCellCoords.GetRow() - 1;
8808             int col = m_currentCellCoords.GetCol();
8809             ClearSelection();
8810             MakeCellVisible( row, col );
8811             SetCurrentCell( row, col );
8812         }
8813         else
8814             return false;
8815
8816         return true;
8817     }
8818
8819     return false;
8820 }
8821
8822 bool wxGrid::MoveCursorDown( bool expandSelection )
8823 {
8824     if ( m_currentCellCoords != wxGridNoCellCoords &&
8825          m_currentCellCoords.GetRow() < m_numRows )
8826     {
8827         if ( expandSelection )
8828         {
8829             if ( m_selectingKeyboard == wxGridNoCellCoords )
8830                 m_selectingKeyboard = m_currentCellCoords;
8831             if ( m_selectingKeyboard.GetRow() < m_numRows - 1 )
8832             {
8833                 m_selectingKeyboard.SetRow( m_selectingKeyboard.GetRow() + 1 );
8834                 MakeCellVisible( m_selectingKeyboard.GetRow(),
8835                         m_selectingKeyboard.GetCol() );
8836                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
8837             }
8838         }
8839         else if ( m_currentCellCoords.GetRow() < m_numRows - 1 )
8840         {
8841             int row = m_currentCellCoords.GetRow() + 1;
8842             int col = m_currentCellCoords.GetCol();
8843             ClearSelection();
8844             MakeCellVisible( row, col );
8845             SetCurrentCell( row, col );
8846         }
8847         else
8848             return false;
8849
8850         return true;
8851     }
8852
8853     return false;
8854 }
8855
8856 bool wxGrid::MoveCursorLeft( bool expandSelection )
8857 {
8858     if ( m_currentCellCoords != wxGridNoCellCoords &&
8859          m_currentCellCoords.GetCol() >= 0 )
8860     {
8861         if ( expandSelection )
8862         {
8863             if ( m_selectingKeyboard == wxGridNoCellCoords )
8864                 m_selectingKeyboard = m_currentCellCoords;
8865             if ( m_selectingKeyboard.GetCol() > 0 )
8866             {
8867                 m_selectingKeyboard.SetCol( m_selectingKeyboard.GetCol() - 1 );
8868                 MakeCellVisible( m_selectingKeyboard.GetRow(),
8869                         m_selectingKeyboard.GetCol() );
8870                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
8871             }
8872         }
8873         else if ( GetColPos( m_currentCellCoords.GetCol() ) > 0 )
8874         {
8875             int row = m_currentCellCoords.GetRow();
8876             int col = GetColAt( GetColPos( m_currentCellCoords.GetCol() ) - 1 );
8877             ClearSelection();
8878
8879             MakeCellVisible( row, col );
8880             SetCurrentCell( row, col );
8881         }
8882         else
8883             return false;
8884
8885         return true;
8886     }
8887
8888     return false;
8889 }
8890
8891 bool wxGrid::MoveCursorRight( bool expandSelection )
8892 {
8893     if ( m_currentCellCoords != wxGridNoCellCoords &&
8894          m_currentCellCoords.GetCol() < m_numCols )
8895     {
8896         if ( expandSelection )
8897         {
8898             if ( m_selectingKeyboard == wxGridNoCellCoords )
8899                 m_selectingKeyboard = m_currentCellCoords;
8900             if ( m_selectingKeyboard.GetCol() < m_numCols - 1 )
8901             {
8902                 m_selectingKeyboard.SetCol( m_selectingKeyboard.GetCol() + 1 );
8903                 MakeCellVisible( m_selectingKeyboard.GetRow(),
8904                         m_selectingKeyboard.GetCol() );
8905                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
8906             }
8907         }
8908         else if ( GetColPos( m_currentCellCoords.GetCol() ) < m_numCols - 1 )
8909         {
8910             int row = m_currentCellCoords.GetRow();
8911             int col = GetColAt( GetColPos( m_currentCellCoords.GetCol() ) + 1 );
8912             ClearSelection();
8913
8914             MakeCellVisible( row, col );
8915             SetCurrentCell( row, col );
8916         }
8917         else
8918             return false;
8919
8920         return true;
8921     }
8922
8923     return false;
8924 }
8925
8926 bool wxGrid::MovePageUp()
8927 {
8928     if ( m_currentCellCoords == wxGridNoCellCoords )
8929         return false;
8930
8931     int row = m_currentCellCoords.GetRow();
8932     if ( row > 0 )
8933     {
8934         int cw, ch;
8935         m_gridWin->GetClientSize( &cw, &ch );
8936
8937         int y = GetRowTop(row);
8938         int newRow = internalYToRow( y - ch + 1 );
8939
8940         if ( newRow == row )
8941         {
8942             // row > 0, so newRow can never be less than 0 here.
8943             newRow = row - 1;
8944         }
8945
8946         MakeCellVisible( newRow, m_currentCellCoords.GetCol() );
8947         SetCurrentCell( newRow, m_currentCellCoords.GetCol() );
8948
8949         return true;
8950     }
8951
8952     return false;
8953 }
8954
8955 bool wxGrid::MovePageDown()
8956 {
8957     if ( m_currentCellCoords == wxGridNoCellCoords )
8958         return false;
8959
8960     int row = m_currentCellCoords.GetRow();
8961     if ( (row + 1) < m_numRows )
8962     {
8963         int cw, ch;
8964         m_gridWin->GetClientSize( &cw, &ch );
8965
8966         int y = GetRowTop(row);
8967         int newRow = internalYToRow( y + ch );
8968         if ( newRow == row )
8969         {
8970             // row < m_numRows, so newRow can't overflow here.
8971             newRow = row + 1;
8972         }
8973
8974         MakeCellVisible( newRow, m_currentCellCoords.GetCol() );
8975         SetCurrentCell( newRow, m_currentCellCoords.GetCol() );
8976
8977         return true;
8978     }
8979
8980     return false;
8981 }
8982
8983 bool wxGrid::MoveCursorUpBlock( bool expandSelection )
8984 {
8985     if ( m_table &&
8986          m_currentCellCoords != wxGridNoCellCoords &&
8987          m_currentCellCoords.GetRow() > 0 )
8988     {
8989         int row = m_currentCellCoords.GetRow();
8990         int col = m_currentCellCoords.GetCol();
8991
8992         if ( m_table->IsEmptyCell(row, col) )
8993         {
8994             // starting in an empty cell: find the next block of
8995             // non-empty cells
8996             //
8997             while ( row > 0 )
8998             {
8999                 row--;
9000                 if ( !(m_table->IsEmptyCell(row, col)) )
9001                     break;
9002             }
9003         }
9004         else if ( m_table->IsEmptyCell(row - 1, col) )
9005         {
9006             // starting at the top of a block: find the next block
9007             //
9008             row--;
9009             while ( row > 0 )
9010             {
9011                 row--;
9012                 if ( !(m_table->IsEmptyCell(row, col)) )
9013                     break;
9014             }
9015         }
9016         else
9017         {
9018             // starting within a block: find the top of the block
9019             //
9020             while ( row > 0 )
9021             {
9022                 row--;
9023                 if ( m_table->IsEmptyCell(row, col) )
9024                 {
9025                     row++;
9026                     break;
9027                 }
9028             }
9029         }
9030
9031         MakeCellVisible( row, col );
9032         if ( expandSelection )
9033         {
9034             m_selectingKeyboard = wxGridCellCoords( row, col );
9035             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
9036         }
9037         else
9038         {
9039             ClearSelection();
9040             SetCurrentCell( row, col );
9041         }
9042
9043         return true;
9044     }
9045
9046     return false;
9047 }
9048
9049 bool wxGrid::MoveCursorDownBlock( bool expandSelection )
9050 {
9051     if ( m_table &&
9052          m_currentCellCoords != wxGridNoCellCoords &&
9053          m_currentCellCoords.GetRow() < m_numRows - 1 )
9054     {
9055         int row = m_currentCellCoords.GetRow();
9056         int col = m_currentCellCoords.GetCol();
9057
9058         if ( m_table->IsEmptyCell(row, col) )
9059         {
9060             // starting in an empty cell: find the next block of
9061             // non-empty cells
9062             //
9063             while ( row < m_numRows - 1 )
9064             {
9065                 row++;
9066                 if ( !(m_table->IsEmptyCell(row, col)) )
9067                     break;
9068             }
9069         }
9070         else if ( m_table->IsEmptyCell(row + 1, col) )
9071         {
9072             // starting at the bottom of a block: find the next block
9073             //
9074             row++;
9075             while ( row < m_numRows - 1 )
9076             {
9077                 row++;
9078                 if ( !(m_table->IsEmptyCell(row, col)) )
9079                     break;
9080             }
9081         }
9082         else
9083         {
9084             // starting within a block: find the bottom of the block
9085             //
9086             while ( row < m_numRows - 1 )
9087             {
9088                 row++;
9089                 if ( m_table->IsEmptyCell(row, col) )
9090                 {
9091                     row--;
9092                     break;
9093                 }
9094             }
9095         }
9096
9097         MakeCellVisible( row, col );
9098         if ( expandSelection )
9099         {
9100             m_selectingKeyboard = wxGridCellCoords( row, col );
9101             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
9102         }
9103         else
9104         {
9105             ClearSelection();
9106             SetCurrentCell( row, col );
9107         }
9108
9109         return true;
9110     }
9111
9112     return false;
9113 }
9114
9115 bool wxGrid::MoveCursorLeftBlock( bool expandSelection )
9116 {
9117     if ( m_table &&
9118          m_currentCellCoords != wxGridNoCellCoords &&
9119          m_currentCellCoords.GetCol() > 0 )
9120     {
9121         int row = m_currentCellCoords.GetRow();
9122         int col = m_currentCellCoords.GetCol();
9123
9124         if ( m_table->IsEmptyCell(row, col) )
9125         {
9126             // starting in an empty cell: find the next block of
9127             // non-empty cells
9128             //
9129             while ( col > 0 )
9130             {
9131                 col--;
9132                 if ( !(m_table->IsEmptyCell(row, col)) )
9133                     break;
9134             }
9135         }
9136         else if ( m_table->IsEmptyCell(row, col - 1) )
9137         {
9138             // starting at the left of a block: find the next block
9139             //
9140             col--;
9141             while ( col > 0 )
9142             {
9143                 col--;
9144                 if ( !(m_table->IsEmptyCell(row, col)) )
9145                     break;
9146             }
9147         }
9148         else
9149         {
9150             // starting within a block: find the left of the block
9151             //
9152             while ( col > 0 )
9153             {
9154                 col--;
9155                 if ( m_table->IsEmptyCell(row, col) )
9156                 {
9157                     col++;
9158                     break;
9159                 }
9160             }
9161         }
9162
9163         MakeCellVisible( row, col );
9164         if ( expandSelection )
9165         {
9166             m_selectingKeyboard = wxGridCellCoords( row, col );
9167             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
9168         }
9169         else
9170         {
9171             ClearSelection();
9172             SetCurrentCell( row, col );
9173         }
9174
9175         return true;
9176     }
9177
9178     return false;
9179 }
9180
9181 bool wxGrid::MoveCursorRightBlock( bool expandSelection )
9182 {
9183     if ( m_table &&
9184          m_currentCellCoords != wxGridNoCellCoords &&
9185          m_currentCellCoords.GetCol() < m_numCols - 1 )
9186     {
9187         int row = m_currentCellCoords.GetRow();
9188         int col = m_currentCellCoords.GetCol();
9189
9190         if ( m_table->IsEmptyCell(row, col) )
9191         {
9192             // starting in an empty cell: find the next block of
9193             // non-empty cells
9194             //
9195             while ( col < m_numCols - 1 )
9196             {
9197                 col++;
9198                 if ( !(m_table->IsEmptyCell(row, col)) )
9199                     break;
9200             }
9201         }
9202         else if ( m_table->IsEmptyCell(row, col + 1) )
9203         {
9204             // starting at the right of a block: find the next block
9205             //
9206             col++;
9207             while ( col < m_numCols - 1 )
9208             {
9209                 col++;
9210                 if ( !(m_table->IsEmptyCell(row, col)) )
9211                     break;
9212             }
9213         }
9214         else
9215         {
9216             // starting within a block: find the right of the block
9217             //
9218             while ( col < m_numCols - 1 )
9219             {
9220                 col++;
9221                 if ( m_table->IsEmptyCell(row, col) )
9222                 {
9223                     col--;
9224                     break;
9225                 }
9226             }
9227         }
9228
9229         MakeCellVisible( row, col );
9230         if ( expandSelection )
9231         {
9232             m_selectingKeyboard = wxGridCellCoords( row, col );
9233             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
9234         }
9235         else
9236         {
9237             ClearSelection();
9238             SetCurrentCell( row, col );
9239         }
9240
9241         return true;
9242     }
9243
9244     return false;
9245 }
9246
9247 //
9248 // ------ Label values and formatting
9249 //
9250
9251 void wxGrid::GetRowLabelAlignment( int *horiz, int *vert )
9252 {
9253     if ( horiz )
9254         *horiz = m_rowLabelHorizAlign;
9255     if ( vert )
9256         *vert  = m_rowLabelVertAlign;
9257 }
9258
9259 void wxGrid::GetColLabelAlignment( int *horiz, int *vert )
9260 {
9261     if ( horiz )
9262         *horiz = m_colLabelHorizAlign;
9263     if ( vert )
9264         *vert  = m_colLabelVertAlign;
9265 }
9266
9267 int wxGrid::GetColLabelTextOrientation()
9268 {
9269     return m_colLabelTextOrientation;
9270 }
9271
9272 wxString wxGrid::GetRowLabelValue( int row )
9273 {
9274     if ( m_table )
9275     {
9276         return m_table->GetRowLabelValue( row );
9277     }
9278     else
9279     {
9280         wxString s;
9281         s << row;
9282         return s;
9283     }
9284 }
9285
9286 wxString wxGrid::GetColLabelValue( int col )
9287 {
9288     if ( m_table )
9289     {
9290         return m_table->GetColLabelValue( col );
9291     }
9292     else
9293     {
9294         wxString s;
9295         s << col;
9296         return s;
9297     }
9298 }
9299
9300 void wxGrid::SetRowLabelSize( int width )
9301 {
9302     width = wxMax( width, 0 );
9303     if ( width != m_rowLabelWidth )
9304     {
9305         if ( width == 0 )
9306         {
9307             m_rowLabelWin->Show( false );
9308             m_cornerLabelWin->Show( false );
9309         }
9310         else if ( m_rowLabelWidth == 0 )
9311         {
9312             m_rowLabelWin->Show( true );
9313             if ( m_colLabelHeight > 0 )
9314                 m_cornerLabelWin->Show( true );
9315         }
9316
9317         m_rowLabelWidth = width;
9318         CalcWindowSizes();
9319         wxScrolledWindow::Refresh( true );
9320     }
9321 }
9322
9323 void wxGrid::SetColLabelSize( int height )
9324 {
9325     height = wxMax( height, 0 );
9326     if ( height != m_colLabelHeight )
9327     {
9328         if ( height == 0 )
9329         {
9330             m_colLabelWin->Show( false );
9331             m_cornerLabelWin->Show( false );
9332         }
9333         else if ( m_colLabelHeight == 0 )
9334         {
9335             m_colLabelWin->Show( true );
9336             if ( m_rowLabelWidth > 0 )
9337                 m_cornerLabelWin->Show( true );
9338         }
9339
9340         m_colLabelHeight = height;
9341         CalcWindowSizes();
9342         wxScrolledWindow::Refresh( true );
9343     }
9344 }
9345
9346 void wxGrid::SetLabelBackgroundColour( const wxColour& colour )
9347 {
9348     if ( m_labelBackgroundColour != colour )
9349     {
9350         m_labelBackgroundColour = colour;
9351         m_rowLabelWin->SetBackgroundColour( colour );
9352         m_colLabelWin->SetBackgroundColour( colour );
9353         m_cornerLabelWin->SetBackgroundColour( colour );
9354
9355         if ( !GetBatchCount() )
9356         {
9357             m_rowLabelWin->Refresh();
9358             m_colLabelWin->Refresh();
9359             m_cornerLabelWin->Refresh();
9360         }
9361     }
9362 }
9363
9364 void wxGrid::SetLabelTextColour( const wxColour& colour )
9365 {
9366     if ( m_labelTextColour != colour )
9367     {
9368         m_labelTextColour = colour;
9369         if ( !GetBatchCount() )
9370         {
9371             m_rowLabelWin->Refresh();
9372             m_colLabelWin->Refresh();
9373         }
9374     }
9375 }
9376
9377 void wxGrid::SetLabelFont( const wxFont& font )
9378 {
9379     m_labelFont = font;
9380     if ( !GetBatchCount() )
9381     {
9382         m_rowLabelWin->Refresh();
9383         m_colLabelWin->Refresh();
9384     }
9385 }
9386
9387 void wxGrid::SetRowLabelAlignment( int horiz, int vert )
9388 {
9389     // allow old (incorrect) defs to be used
9390     switch ( horiz )
9391     {
9392         case wxLEFT:   horiz = wxALIGN_LEFT; break;
9393         case wxRIGHT:  horiz = wxALIGN_RIGHT; break;
9394         case wxCENTRE: horiz = wxALIGN_CENTRE; break;
9395     }
9396
9397     switch ( vert )
9398     {
9399         case wxTOP:    vert = wxALIGN_TOP;    break;
9400         case wxBOTTOM: vert = wxALIGN_BOTTOM; break;
9401         case wxCENTRE: vert = wxALIGN_CENTRE; break;
9402     }
9403
9404     if ( horiz == wxALIGN_LEFT || horiz == wxALIGN_CENTRE || horiz == wxALIGN_RIGHT )
9405     {
9406         m_rowLabelHorizAlign = horiz;
9407     }
9408
9409     if ( vert == wxALIGN_TOP || vert == wxALIGN_CENTRE || vert == wxALIGN_BOTTOM )
9410     {
9411         m_rowLabelVertAlign = vert;
9412     }
9413
9414     if ( !GetBatchCount() )
9415     {
9416         m_rowLabelWin->Refresh();
9417     }
9418 }
9419
9420 void wxGrid::SetColLabelAlignment( int horiz, int vert )
9421 {
9422     // allow old (incorrect) defs to be used
9423     switch ( horiz )
9424     {
9425         case wxLEFT:   horiz = wxALIGN_LEFT; break;
9426         case wxRIGHT:  horiz = wxALIGN_RIGHT; break;
9427         case wxCENTRE: horiz = wxALIGN_CENTRE; break;
9428     }
9429
9430     switch ( vert )
9431     {
9432         case wxTOP:    vert = wxALIGN_TOP;    break;
9433         case wxBOTTOM: vert = wxALIGN_BOTTOM; break;
9434         case wxCENTRE: vert = wxALIGN_CENTRE; break;
9435     }
9436
9437     if ( horiz == wxALIGN_LEFT || horiz == wxALIGN_CENTRE || horiz == wxALIGN_RIGHT )
9438     {
9439         m_colLabelHorizAlign = horiz;
9440     }
9441
9442     if ( vert == wxALIGN_TOP || vert == wxALIGN_CENTRE || vert == wxALIGN_BOTTOM )
9443     {
9444         m_colLabelVertAlign = vert;
9445     }
9446
9447     if ( !GetBatchCount() )
9448     {
9449         m_colLabelWin->Refresh();
9450     }
9451 }
9452
9453 // Note: under MSW, the default column label font must be changed because it
9454 //       does not support vertical printing
9455 //
9456 // Example: wxFont font(9, wxSWISS, wxNORMAL, wxBOLD);
9457 //                      pGrid->SetLabelFont(font);
9458 //                      pGrid->SetColLabelTextOrientation(wxVERTICAL);
9459 //
9460 void wxGrid::SetColLabelTextOrientation( int textOrientation )
9461 {
9462     if ( textOrientation == wxHORIZONTAL || textOrientation == wxVERTICAL )
9463         m_colLabelTextOrientation = textOrientation;
9464
9465     if ( !GetBatchCount() )
9466         m_colLabelWin->Refresh();
9467 }
9468
9469 void wxGrid::SetRowLabelValue( int row, const wxString& s )
9470 {
9471     if ( m_table )
9472     {
9473         m_table->SetRowLabelValue( row, s );
9474         if ( !GetBatchCount() )
9475         {
9476             wxRect rect = CellToRect( row, 0 );
9477             if ( rect.height > 0 )
9478             {
9479                 CalcScrolledPosition(0, rect.y, &rect.x, &rect.y);
9480                 rect.x = 0;
9481                 rect.width = m_rowLabelWidth;
9482                 m_rowLabelWin->Refresh( true, &rect );
9483             }
9484         }
9485     }
9486 }
9487
9488 void wxGrid::SetColLabelValue( int col, const wxString& s )
9489 {
9490     if ( m_table )
9491     {
9492         m_table->SetColLabelValue( col, s );
9493         if ( !GetBatchCount() )
9494         {
9495             wxRect rect = CellToRect( 0, col );
9496             if ( rect.width > 0 )
9497             {
9498                 CalcScrolledPosition(rect.x, 0, &rect.x, &rect.y);
9499                 rect.y = 0;
9500                 rect.height = m_colLabelHeight;
9501                 m_colLabelWin->Refresh( true, &rect );
9502             }
9503         }
9504     }
9505 }
9506
9507 void wxGrid::SetGridLineColour( const wxColour& colour )
9508 {
9509     if ( m_gridLineColour != colour )
9510     {
9511         m_gridLineColour = colour;
9512
9513         wxClientDC dc( m_gridWin );
9514         PrepareDC( dc );
9515         DrawAllGridLines( dc, wxRegion() );
9516     }
9517 }
9518
9519 void wxGrid::SetCellHighlightColour( const wxColour& colour )
9520 {
9521     if ( m_cellHighlightColour != colour )
9522     {
9523         m_cellHighlightColour = colour;
9524
9525         wxClientDC dc( m_gridWin );
9526         PrepareDC( dc );
9527         wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords);
9528         DrawCellHighlight(dc, attr);
9529         attr->DecRef();
9530     }
9531 }
9532
9533 void wxGrid::SetCellHighlightPenWidth(int width)
9534 {
9535     if (m_cellHighlightPenWidth != width)
9536     {
9537         m_cellHighlightPenWidth = width;
9538
9539         // Just redrawing the cell highlight is not enough since that won't
9540         // make any visible change if the the thickness is getting smaller.
9541         int row = m_currentCellCoords.GetRow();
9542         int col = m_currentCellCoords.GetCol();
9543         if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
9544             return;
9545
9546         wxRect rect = CellToRect(row, col);
9547         m_gridWin->Refresh(true, &rect);
9548     }
9549 }
9550
9551 void wxGrid::SetCellHighlightROPenWidth(int width)
9552 {
9553     if (m_cellHighlightROPenWidth != width)
9554     {
9555         m_cellHighlightROPenWidth = width;
9556
9557         // Just redrawing the cell highlight is not enough since that won't
9558         // make any visible change if the the thickness is getting smaller.
9559         int row = m_currentCellCoords.GetRow();
9560         int col = m_currentCellCoords.GetCol();
9561         if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
9562             return;
9563
9564         wxRect rect = CellToRect(row, col);
9565         m_gridWin->Refresh(true, &rect);
9566     }
9567 }
9568
9569 void wxGrid::EnableGridLines( bool enable )
9570 {
9571     if ( enable != m_gridLinesEnabled )
9572     {
9573         m_gridLinesEnabled = enable;
9574
9575         if ( !GetBatchCount() )
9576         {
9577             if ( enable )
9578             {
9579                 wxClientDC dc( m_gridWin );
9580                 PrepareDC( dc );
9581                 DrawAllGridLines( dc, wxRegion() );
9582             }
9583             else
9584             {
9585                 m_gridWin->Refresh();
9586             }
9587         }
9588     }
9589 }
9590
9591 int wxGrid::GetDefaultRowSize()
9592 {
9593     return m_defaultRowHeight;
9594 }
9595
9596 int wxGrid::GetRowSize( int row )
9597 {
9598     wxCHECK_MSG( row >= 0 && row < m_numRows, 0, _T("invalid row index") );
9599
9600     return GetRowHeight(row);
9601 }
9602
9603 int wxGrid::GetDefaultColSize()
9604 {
9605     return m_defaultColWidth;
9606 }
9607
9608 int wxGrid::GetColSize( int col )
9609 {
9610     wxCHECK_MSG( col >= 0 && col < m_numCols, 0, _T("invalid column index") );
9611
9612     return GetColWidth(col);
9613 }
9614
9615 // ============================================================================
9616 // access to the grid attributes: each of them has a default value in the grid
9617 // itself and may be overidden on a per-cell basis
9618 // ============================================================================
9619
9620 // ----------------------------------------------------------------------------
9621 // setting default attributes
9622 // ----------------------------------------------------------------------------
9623
9624 void wxGrid::SetDefaultCellBackgroundColour( const wxColour& col )
9625 {
9626     m_defaultCellAttr->SetBackgroundColour(col);
9627 #ifdef __WXGTK__
9628     m_gridWin->SetBackgroundColour(col);
9629 #endif
9630 }
9631
9632 void wxGrid::SetDefaultCellTextColour( const wxColour& col )
9633 {
9634     m_defaultCellAttr->SetTextColour(col);
9635 }
9636
9637 void wxGrid::SetDefaultCellAlignment( int horiz, int vert )
9638 {
9639     m_defaultCellAttr->SetAlignment(horiz, vert);
9640 }
9641
9642 void wxGrid::SetDefaultCellOverflow( bool allow )
9643 {
9644     m_defaultCellAttr->SetOverflow(allow);
9645 }
9646
9647 void wxGrid::SetDefaultCellFont( const wxFont& font )
9648 {
9649     m_defaultCellAttr->SetFont(font);
9650 }
9651
9652 // For editors and renderers the type registry takes precedence over the
9653 // default attr, so we need to register the new editor/renderer for the string
9654 // data type in order to make setting a default editor/renderer appear to
9655 // work correctly.
9656
9657 void wxGrid::SetDefaultRenderer(wxGridCellRenderer *renderer)
9658 {
9659     RegisterDataType(wxGRID_VALUE_STRING,
9660                      renderer,
9661                      GetDefaultEditorForType(wxGRID_VALUE_STRING));
9662 }
9663
9664 void wxGrid::SetDefaultEditor(wxGridCellEditor *editor)
9665 {
9666     RegisterDataType(wxGRID_VALUE_STRING,
9667                      GetDefaultRendererForType(wxGRID_VALUE_STRING),
9668                      editor);
9669 }
9670
9671 // ----------------------------------------------------------------------------
9672 // access to the default attrbiutes
9673 // ----------------------------------------------------------------------------
9674
9675 wxColour wxGrid::GetDefaultCellBackgroundColour()
9676 {
9677     return m_defaultCellAttr->GetBackgroundColour();
9678 }
9679
9680 wxColour wxGrid::GetDefaultCellTextColour()
9681 {
9682     return m_defaultCellAttr->GetTextColour();
9683 }
9684
9685 wxFont wxGrid::GetDefaultCellFont()
9686 {
9687     return m_defaultCellAttr->GetFont();
9688 }
9689
9690 void wxGrid::GetDefaultCellAlignment( int *horiz, int *vert )
9691 {
9692     m_defaultCellAttr->GetAlignment(horiz, vert);
9693 }
9694
9695 bool wxGrid::GetDefaultCellOverflow()
9696 {
9697     return m_defaultCellAttr->GetOverflow();
9698 }
9699
9700 wxGridCellRenderer *wxGrid::GetDefaultRenderer() const
9701 {
9702     return m_defaultCellAttr->GetRenderer(NULL, 0, 0);
9703 }
9704
9705 wxGridCellEditor *wxGrid::GetDefaultEditor() const
9706 {
9707     return m_defaultCellAttr->GetEditor(NULL, 0, 0);
9708 }
9709
9710 // ----------------------------------------------------------------------------
9711 // access to cell attributes
9712 // ----------------------------------------------------------------------------
9713
9714 wxColour wxGrid::GetCellBackgroundColour(int row, int col)
9715 {
9716     wxGridCellAttr *attr = GetCellAttr(row, col);
9717     wxColour colour = attr->GetBackgroundColour();
9718     attr->DecRef();
9719
9720     return colour;
9721 }
9722
9723 wxColour wxGrid::GetCellTextColour( int row, int col )
9724 {
9725     wxGridCellAttr *attr = GetCellAttr(row, col);
9726     wxColour colour = attr->GetTextColour();
9727     attr->DecRef();
9728
9729     return colour;
9730 }
9731
9732 wxFont wxGrid::GetCellFont( int row, int col )
9733 {
9734     wxGridCellAttr *attr = GetCellAttr(row, col);
9735     wxFont font = attr->GetFont();
9736     attr->DecRef();
9737
9738     return font;
9739 }
9740
9741 void wxGrid::GetCellAlignment( int row, int col, int *horiz, int *vert )
9742 {
9743     wxGridCellAttr *attr = GetCellAttr(row, col);
9744     attr->GetAlignment(horiz, vert);
9745     attr->DecRef();
9746 }
9747
9748 bool wxGrid::GetCellOverflow( int row, int col )
9749 {
9750     wxGridCellAttr *attr = GetCellAttr(row, col);
9751     bool allow = attr->GetOverflow();
9752     attr->DecRef();
9753
9754     return allow;
9755 }
9756
9757 void wxGrid::GetCellSize( int row, int col, int *num_rows, int *num_cols )
9758 {
9759     wxGridCellAttr *attr = GetCellAttr(row, col);
9760     attr->GetSize( num_rows, num_cols );
9761     attr->DecRef();
9762 }
9763
9764 wxGridCellRenderer* wxGrid::GetCellRenderer(int row, int col)
9765 {
9766     wxGridCellAttr* attr = GetCellAttr(row, col);
9767     wxGridCellRenderer* renderer = attr->GetRenderer(this, row, col);
9768     attr->DecRef();
9769
9770     return renderer;
9771 }
9772
9773 wxGridCellEditor* wxGrid::GetCellEditor(int row, int col)
9774 {
9775     wxGridCellAttr* attr = GetCellAttr(row, col);
9776     wxGridCellEditor* editor = attr->GetEditor(this, row, col);
9777     attr->DecRef();
9778
9779     return editor;
9780 }
9781
9782 bool wxGrid::IsReadOnly(int row, int col) const
9783 {
9784     wxGridCellAttr* attr = GetCellAttr(row, col);
9785     bool isReadOnly = attr->IsReadOnly();
9786     attr->DecRef();
9787
9788     return isReadOnly;
9789 }
9790
9791 // ----------------------------------------------------------------------------
9792 // attribute support: cache, automatic provider creation, ...
9793 // ----------------------------------------------------------------------------
9794
9795 bool wxGrid::CanHaveAttributes()
9796 {
9797     if ( !m_table )
9798     {
9799         return false;
9800     }
9801
9802     return m_table->CanHaveAttributes();
9803 }
9804
9805 void wxGrid::ClearAttrCache()
9806 {
9807     if ( m_attrCache.row != -1 )
9808     {
9809         wxSafeDecRef(m_attrCache.attr);
9810         m_attrCache.attr = NULL;
9811         m_attrCache.row = -1;
9812     }
9813 }
9814
9815 void wxGrid::CacheAttr(int row, int col, wxGridCellAttr *attr) const
9816 {
9817     if ( attr != NULL )
9818     {
9819         wxGrid *self = (wxGrid *)this;  // const_cast
9820
9821         self->ClearAttrCache();
9822         self->m_attrCache.row = row;
9823         self->m_attrCache.col = col;
9824         self->m_attrCache.attr = attr;
9825         wxSafeIncRef(attr);
9826     }
9827 }
9828
9829 bool wxGrid::LookupAttr(int row, int col, wxGridCellAttr **attr) const
9830 {
9831     if ( row == m_attrCache.row && col == m_attrCache.col )
9832     {
9833         *attr = m_attrCache.attr;
9834         wxSafeIncRef(m_attrCache.attr);
9835
9836 #ifdef DEBUG_ATTR_CACHE
9837         gs_nAttrCacheHits++;
9838 #endif
9839
9840         return true;
9841     }
9842     else
9843     {
9844 #ifdef DEBUG_ATTR_CACHE
9845         gs_nAttrCacheMisses++;
9846 #endif
9847
9848         return false;
9849     }
9850 }
9851
9852 wxGridCellAttr *wxGrid::GetCellAttr(int row, int col) const
9853 {
9854     wxGridCellAttr *attr = NULL;
9855     // Additional test to avoid looking at the cache e.g. for
9856     // wxNoCellCoords, as this will confuse memory management.
9857     if ( row >= 0 )
9858     {
9859         if ( !LookupAttr(row, col, &attr) )
9860         {
9861             attr = m_table ? m_table->GetAttr(row, col, wxGridCellAttr::Any)
9862                            : (wxGridCellAttr *)NULL;
9863             CacheAttr(row, col, attr);
9864         }
9865     }
9866
9867     if (attr)
9868     {
9869         attr->SetDefAttr(m_defaultCellAttr);
9870     }
9871     else
9872     {
9873         attr = m_defaultCellAttr;
9874         attr->IncRef();
9875     }
9876
9877     return attr;
9878 }
9879
9880 wxGridCellAttr *wxGrid::GetOrCreateCellAttr(int row, int col) const
9881 {
9882     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
9883     bool canHave = ((wxGrid*)this)->CanHaveAttributes();
9884
9885     wxCHECK_MSG( canHave, attr, _T("Cell attributes not allowed"));
9886     wxCHECK_MSG( m_table, attr, _T("must have a table") );
9887
9888     attr = m_table->GetAttr(row, col, wxGridCellAttr::Cell);
9889     if ( !attr )
9890     {
9891         attr = new wxGridCellAttr(m_defaultCellAttr);
9892
9893         // artificially inc the ref count to match DecRef() in caller
9894         attr->IncRef();
9895         m_table->SetAttr(attr, row, col);
9896     }
9897
9898     return attr;
9899 }
9900
9901 // ----------------------------------------------------------------------------
9902 // setting column attributes (wrappers around SetColAttr)
9903 // ----------------------------------------------------------------------------
9904
9905 void wxGrid::SetColFormatBool(int col)
9906 {
9907     SetColFormatCustom(col, wxGRID_VALUE_BOOL);
9908 }
9909
9910 void wxGrid::SetColFormatNumber(int col)
9911 {
9912     SetColFormatCustom(col, wxGRID_VALUE_NUMBER);
9913 }
9914
9915 void wxGrid::SetColFormatFloat(int col, int width, int precision)
9916 {
9917     wxString typeName = wxGRID_VALUE_FLOAT;
9918     if ( (width != -1) || (precision != -1) )
9919     {
9920         typeName << _T(':') << width << _T(',') << precision;
9921     }
9922
9923     SetColFormatCustom(col, typeName);
9924 }
9925
9926 void wxGrid::SetColFormatCustom(int col, const wxString& typeName)
9927 {
9928     wxGridCellAttr *attr = m_table->GetAttr(-1, col, wxGridCellAttr::Col );
9929     if (!attr)
9930         attr = new wxGridCellAttr;
9931     wxGridCellRenderer *renderer = GetDefaultRendererForType(typeName);
9932     attr->SetRenderer(renderer);
9933
9934     SetColAttr(col, attr);
9935
9936 }
9937
9938 // ----------------------------------------------------------------------------
9939 // setting cell attributes: this is forwarded to the table
9940 // ----------------------------------------------------------------------------
9941
9942 void wxGrid::SetAttr(int row, int col, wxGridCellAttr *attr)
9943 {
9944     if ( CanHaveAttributes() )
9945     {
9946         m_table->SetAttr(attr, row, col);
9947         ClearAttrCache();
9948     }
9949     else
9950     {
9951         wxSafeDecRef(attr);
9952     }
9953 }
9954
9955 void wxGrid::SetRowAttr(int row, wxGridCellAttr *attr)
9956 {
9957     if ( CanHaveAttributes() )
9958     {
9959         m_table->SetRowAttr(attr, row);
9960         ClearAttrCache();
9961     }
9962     else
9963     {
9964         wxSafeDecRef(attr);
9965     }
9966 }
9967
9968 void wxGrid::SetColAttr(int col, wxGridCellAttr *attr)
9969 {
9970     if ( CanHaveAttributes() )
9971     {
9972         m_table->SetColAttr(attr, col);
9973         ClearAttrCache();
9974     }
9975     else
9976     {
9977         wxSafeDecRef(attr);
9978     }
9979 }
9980
9981 void wxGrid::SetCellBackgroundColour( int row, int col, const wxColour& colour )
9982 {
9983     if ( CanHaveAttributes() )
9984     {
9985         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
9986         attr->SetBackgroundColour(colour);
9987         attr->DecRef();
9988     }
9989 }
9990
9991 void wxGrid::SetCellTextColour( int row, int col, const wxColour& colour )
9992 {
9993     if ( CanHaveAttributes() )
9994     {
9995         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
9996         attr->SetTextColour(colour);
9997         attr->DecRef();
9998     }
9999 }
10000
10001 void wxGrid::SetCellFont( int row, int col, const wxFont& font )
10002 {
10003     if ( CanHaveAttributes() )
10004     {
10005         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
10006         attr->SetFont(font);
10007         attr->DecRef();
10008     }
10009 }
10010
10011 void wxGrid::SetCellAlignment( int row, int col, int horiz, int vert )
10012 {
10013     if ( CanHaveAttributes() )
10014     {
10015         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
10016         attr->SetAlignment(horiz, vert);
10017         attr->DecRef();
10018     }
10019 }
10020
10021 void wxGrid::SetCellOverflow( int row, int col, bool allow )
10022 {
10023     if ( CanHaveAttributes() )
10024     {
10025         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
10026         attr->SetOverflow(allow);
10027         attr->DecRef();
10028     }
10029 }
10030
10031 void wxGrid::SetCellSize( int row, int col, int num_rows, int num_cols )
10032 {
10033     if ( CanHaveAttributes() )
10034     {
10035         int cell_rows, cell_cols;
10036
10037         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
10038         attr->GetSize(&cell_rows, &cell_cols);
10039         attr->SetSize(num_rows, num_cols);
10040         attr->DecRef();
10041
10042         // Cannot set the size of a cell to 0 or negative values
10043         // While it is perfectly legal to do that, this function cannot
10044         // handle all the possibilies, do it by hand by getting the CellAttr.
10045         // You can only set the size of a cell to 1,1 or greater with this fn
10046         wxASSERT_MSG( !((cell_rows < 1) || (cell_cols < 1)),
10047                       wxT("wxGrid::SetCellSize setting cell size that is already part of another cell"));
10048         wxASSERT_MSG( !((num_rows < 1) || (num_cols < 1)),
10049                       wxT("wxGrid::SetCellSize setting cell size to < 1"));
10050
10051         // if this was already a multicell then "turn off" the other cells first
10052         if ((cell_rows > 1) || (cell_rows > 1))
10053         {
10054             int i, j;
10055             for (j=row; j < row + cell_rows; j++)
10056             {
10057                 for (i=col; i < col + cell_cols; i++)
10058                 {
10059                     if ((i != col) || (j != row))
10060                     {
10061                         wxGridCellAttr *attr_stub = GetOrCreateCellAttr(j, i);
10062                         attr_stub->SetSize( 1, 1 );
10063                         attr_stub->DecRef();
10064                     }
10065                 }
10066             }
10067         }
10068
10069         // mark the cells that will be covered by this cell to
10070         // negative or zero values to point back at this cell
10071         if (((num_rows > 1) || (num_cols > 1)) && (num_rows >= 1) && (num_cols >= 1))
10072         {
10073             int i, j;
10074             for (j=row; j < row + num_rows; j++)
10075             {
10076                 for (i=col; i < col + num_cols; i++)
10077                 {
10078                     if ((i != col) || (j != row))
10079                     {
10080                         wxGridCellAttr *attr_stub = GetOrCreateCellAttr(j, i);
10081                         attr_stub->SetSize( row - j, col - i );
10082                         attr_stub->DecRef();
10083                     }
10084                 }
10085             }
10086         }
10087     }
10088 }
10089
10090 void wxGrid::SetCellRenderer(int row, int col, wxGridCellRenderer *renderer)
10091 {
10092     if ( CanHaveAttributes() )
10093     {
10094         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
10095         attr->SetRenderer(renderer);
10096         attr->DecRef();
10097     }
10098 }
10099
10100 void wxGrid::SetCellEditor(int row, int col, wxGridCellEditor* editor)
10101 {
10102     if ( CanHaveAttributes() )
10103     {
10104         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
10105         attr->SetEditor(editor);
10106         attr->DecRef();
10107     }
10108 }
10109
10110 void wxGrid::SetReadOnly(int row, int col, bool isReadOnly)
10111 {
10112     if ( CanHaveAttributes() )
10113     {
10114         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
10115         attr->SetReadOnly(isReadOnly);
10116         attr->DecRef();
10117     }
10118 }
10119
10120 // ----------------------------------------------------------------------------
10121 // Data type registration
10122 // ----------------------------------------------------------------------------
10123
10124 void wxGrid::RegisterDataType(const wxString& typeName,
10125                               wxGridCellRenderer* renderer,
10126                               wxGridCellEditor* editor)
10127 {
10128     m_typeRegistry->RegisterDataType(typeName, renderer, editor);
10129 }
10130
10131
10132 wxGridCellEditor * wxGrid::GetDefaultEditorForCell(int row, int col) const
10133 {
10134     wxString typeName = m_table->GetTypeName(row, col);
10135     return GetDefaultEditorForType(typeName);
10136 }
10137
10138 wxGridCellRenderer * wxGrid::GetDefaultRendererForCell(int row, int col) const
10139 {
10140     wxString typeName = m_table->GetTypeName(row, col);
10141     return GetDefaultRendererForType(typeName);
10142 }
10143
10144 wxGridCellEditor * wxGrid::GetDefaultEditorForType(const wxString& typeName) const
10145 {
10146     int index = m_typeRegistry->FindOrCloneDataType(typeName);
10147     if ( index == wxNOT_FOUND )
10148     {
10149         wxString errStr;
10150
10151         errStr.Printf(wxT("Unknown data type name [%s]"), typeName.c_str());
10152         wxFAIL_MSG(errStr.c_str());
10153
10154         return NULL;
10155     }
10156
10157     return m_typeRegistry->GetEditor(index);
10158 }
10159
10160 wxGridCellRenderer * wxGrid::GetDefaultRendererForType(const wxString& typeName) const
10161 {
10162     int index = m_typeRegistry->FindOrCloneDataType(typeName);
10163     if ( index == wxNOT_FOUND )
10164     {
10165         wxString errStr;
10166
10167         errStr.Printf(wxT("Unknown data type name [%s]"), typeName.c_str());
10168         wxFAIL_MSG(errStr.c_str());
10169
10170         return NULL;
10171     }
10172
10173     return m_typeRegistry->GetRenderer(index);
10174 }
10175
10176 // ----------------------------------------------------------------------------
10177 // row/col size
10178 // ----------------------------------------------------------------------------
10179
10180 void wxGrid::EnableDragRowSize( bool enable )
10181 {
10182     m_canDragRowSize = enable;
10183 }
10184
10185 void wxGrid::EnableDragColSize( bool enable )
10186 {
10187     m_canDragColSize = enable;
10188 }
10189
10190 void wxGrid::EnableDragGridSize( bool enable )
10191 {
10192     m_canDragGridSize = enable;
10193 }
10194
10195 void wxGrid::EnableDragCell( bool enable )
10196 {
10197     m_canDragCell = enable;
10198 }
10199
10200 void wxGrid::SetDefaultRowSize( int height, bool resizeExistingRows )
10201 {
10202     m_defaultRowHeight = wxMax( height, m_minAcceptableRowHeight );
10203
10204     if ( resizeExistingRows )
10205     {
10206         // since we are resizing all rows to the default row size,
10207         // we can simply clear the row heights and row bottoms
10208         // arrays (which also allows us to take advantage of
10209         // some speed optimisations)
10210         m_rowHeights.Empty();
10211         m_rowBottoms.Empty();
10212         if ( !GetBatchCount() )
10213             CalcDimensions();
10214     }
10215 }
10216
10217 void wxGrid::SetRowSize( int row, int height )
10218 {
10219     wxCHECK_RET( row >= 0 && row < m_numRows, _T("invalid row index") );
10220
10221     // See comment in SetColSize
10222     if ( height < GetRowMinimalAcceptableHeight())
10223         return;
10224
10225     if ( m_rowHeights.IsEmpty() )
10226     {
10227         // need to really create the array
10228         InitRowHeights();
10229     }
10230
10231     int h = wxMax( 0, height );
10232     int diff = h - m_rowHeights[row];
10233
10234     m_rowHeights[row] = h;
10235     int i;
10236     for ( i = row; i < m_numRows; i++ )
10237     {
10238         m_rowBottoms[i] += diff;
10239     }
10240
10241     if ( !GetBatchCount() )
10242         CalcDimensions();
10243 }
10244
10245 void wxGrid::SetDefaultColSize( int width, bool resizeExistingCols )
10246 {
10247     m_defaultColWidth = wxMax( width, m_minAcceptableColWidth );
10248
10249     if ( resizeExistingCols )
10250     {
10251         // since we are resizing all columns to the default column size,
10252         // we can simply clear the col widths and col rights
10253         // arrays (which also allows us to take advantage of
10254         // some speed optimisations)
10255         m_colWidths.Empty();
10256         m_colRights.Empty();
10257         if ( !GetBatchCount() )
10258             CalcDimensions();
10259     }
10260 }
10261
10262 void wxGrid::SetColSize( int col, int width )
10263 {
10264     wxCHECK_RET( col >= 0 && col < m_numCols, _T("invalid column index") );
10265
10266     // should we check that it's bigger than GetColMinimalWidth(col) here?
10267     //                                                                 (VZ)
10268     // No, because it is reasonable to assume the library user know's
10269     // what he is doing. However we should test against the weaker
10270     // constraint of minimalAcceptableWidth, as this breaks rendering
10271     //
10272     // This test then fixes sf.net bug #645734
10273
10274     if ( width < GetColMinimalAcceptableWidth() )
10275         return;
10276
10277     if ( m_colWidths.IsEmpty() )
10278     {
10279         // need to really create the array
10280         InitColWidths();
10281     }
10282
10283     // if < 0 then calculate new width from label
10284     if ( width < 0 )
10285     {
10286         long w, h;
10287         wxArrayString lines;
10288         wxClientDC dc(m_colLabelWin);
10289         dc.SetFont(GetLabelFont());
10290         StringToLines(GetColLabelValue(col), lines);
10291         GetTextBoxSize(dc, lines, &w, &h);
10292         width = w + 6;
10293     }
10294
10295     int w = wxMax( 0, width );
10296     int diff = w - m_colWidths[col];
10297     m_colWidths[col] = w;
10298
10299     int i;
10300     int colPos;
10301     for ( colPos = GetColPos( col ); colPos < m_numCols; colPos++ )
10302     {
10303         i = GetColAt( colPos );
10304         m_colRights[i] += diff;
10305     }
10306
10307     if ( !GetBatchCount() )
10308         CalcDimensions();
10309 }
10310
10311 void wxGrid::SetColMinimalWidth( int col, int width )
10312 {
10313     if (width > GetColMinimalAcceptableWidth())
10314     {
10315         wxLongToLongHashMap::key_type key = (wxLongToLongHashMap::key_type)col;
10316         m_colMinWidths[key] = width;
10317     }
10318 }
10319
10320 void wxGrid::SetRowMinimalHeight( int row, int width )
10321 {
10322     if (width > GetRowMinimalAcceptableHeight())
10323     {
10324         wxLongToLongHashMap::key_type key = (wxLongToLongHashMap::key_type)row;
10325         m_rowMinHeights[key] = width;
10326     }
10327 }
10328
10329 int wxGrid::GetColMinimalWidth(int col) const
10330 {
10331     wxLongToLongHashMap::key_type key = (wxLongToLongHashMap::key_type)col;
10332     wxLongToLongHashMap::const_iterator it = m_colMinWidths.find(key);
10333
10334     return it != m_colMinWidths.end() ? (int)it->second : m_minAcceptableColWidth;
10335 }
10336
10337 int wxGrid::GetRowMinimalHeight(int row) const
10338 {
10339     wxLongToLongHashMap::key_type key = (wxLongToLongHashMap::key_type)row;
10340     wxLongToLongHashMap::const_iterator it = m_rowMinHeights.find(key);
10341
10342     return it != m_rowMinHeights.end() ? (int)it->second : m_minAcceptableRowHeight;
10343 }
10344
10345 void wxGrid::SetColMinimalAcceptableWidth( int width )
10346 {
10347     // We do allow a width of 0 since this gives us
10348     // an easy way to temporarily hiding columns.
10349     if ( width >= 0 )
10350         m_minAcceptableColWidth = width;
10351 }
10352
10353 void wxGrid::SetRowMinimalAcceptableHeight( int height )
10354 {
10355     // We do allow a height of 0 since this gives us
10356     // an easy way to temporarily hiding rows.
10357     if ( height >= 0 )
10358         m_minAcceptableRowHeight = height;
10359 }
10360
10361 int  wxGrid::GetColMinimalAcceptableWidth() const
10362 {
10363     return m_minAcceptableColWidth;
10364 }
10365
10366 int  wxGrid::GetRowMinimalAcceptableHeight() const
10367 {
10368     return m_minAcceptableRowHeight;
10369 }
10370
10371 // ----------------------------------------------------------------------------
10372 // auto sizing
10373 // ----------------------------------------------------------------------------
10374
10375 void wxGrid::AutoSizeColOrRow( int colOrRow, bool setAsMin, bool column )
10376 {
10377     wxClientDC dc(m_gridWin);
10378
10379     // cancel editing of cell
10380     HideCellEditControl();
10381     SaveEditControlValue();
10382
10383     // init both of them to avoid compiler warnings, even if we only need one
10384     int row = -1,
10385         col = -1;
10386     if ( column )
10387         col = colOrRow;
10388     else
10389         row = colOrRow;
10390
10391     wxCoord extent, extentMax = 0;
10392     int max = column ? m_numRows : m_numCols;
10393     for ( int rowOrCol = 0; rowOrCol < max; rowOrCol++ )
10394     {
10395         if ( column )
10396             row = rowOrCol;
10397         else
10398             col = rowOrCol;
10399
10400         wxGridCellAttr *attr = GetCellAttr(row, col);
10401         wxGridCellRenderer *renderer = attr->GetRenderer(this, row, col);
10402         if ( renderer )
10403         {
10404             wxSize size = renderer->GetBestSize(*this, *attr, dc, row, col);
10405             extent = column ? size.x : size.y;
10406             if ( extent > extentMax )
10407                 extentMax = extent;
10408
10409             renderer->DecRef();
10410         }
10411
10412         attr->DecRef();
10413     }
10414
10415     // now also compare with the column label extent
10416     wxCoord w, h;
10417     dc.SetFont( GetLabelFont() );
10418
10419     if ( column )
10420     {
10421         dc.GetMultiLineTextExtent( GetColLabelValue(col), &w, &h );
10422         if ( GetColLabelTextOrientation() == wxVERTICAL )
10423             w = h;
10424     }
10425     else
10426         dc.GetMultiLineTextExtent( GetRowLabelValue(row), &w, &h );
10427
10428     extent = column ? w : h;
10429     if ( extent > extentMax )
10430         extentMax = extent;
10431
10432     if ( !extentMax )
10433     {
10434         // empty column - give default extent (notice that if extentMax is less
10435         // than default extent but != 0, it's OK)
10436         extentMax = column ? m_defaultColWidth : m_defaultRowHeight;
10437     }
10438     else
10439     {
10440         if ( column )
10441             // leave some space around text
10442             extentMax += 10;
10443         else
10444             extentMax += 6;
10445     }
10446
10447     if ( column )
10448     {
10449         SetColSize( col, extentMax );
10450         if ( !GetBatchCount() )
10451         {
10452             int cw, ch, dummy;
10453             m_gridWin->GetClientSize( &cw, &ch );
10454             wxRect rect ( CellToRect( 0, col ) );
10455             rect.y = 0;
10456             CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
10457             rect.width = cw - rect.x;
10458             rect.height = m_colLabelHeight;
10459             m_colLabelWin->Refresh( true, &rect );
10460         }
10461     }
10462     else
10463     {
10464         SetRowSize(row, extentMax);
10465         if ( !GetBatchCount() )
10466         {
10467             int cw, ch, dummy;
10468             m_gridWin->GetClientSize( &cw, &ch );
10469             wxRect rect( CellToRect( row, 0 ) );
10470             rect.x = 0;
10471             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
10472             rect.width = m_rowLabelWidth;
10473             rect.height = ch - rect.y;
10474             m_rowLabelWin->Refresh( true, &rect );
10475         }
10476     }
10477
10478     if ( setAsMin )
10479     {
10480         if ( column )
10481             SetColMinimalWidth(col, extentMax);
10482         else
10483             SetRowMinimalHeight(row, extentMax);
10484     }
10485 }
10486
10487 int wxGrid::SetOrCalcColumnSizes(bool calcOnly, bool setAsMin)
10488 {
10489     int width = m_rowLabelWidth;
10490
10491     if ( !calcOnly )
10492         BeginBatch();
10493
10494     for ( int col = 0; col < m_numCols; col++ )
10495     {
10496         if ( !calcOnly )
10497             AutoSizeColumn(col, setAsMin);
10498
10499         width += GetColWidth(col);
10500     }
10501
10502     if ( !calcOnly )
10503         EndBatch();
10504
10505     return width;
10506 }
10507
10508 int wxGrid::SetOrCalcRowSizes(bool calcOnly, bool setAsMin)
10509 {
10510     int height = m_colLabelHeight;
10511
10512     if ( !calcOnly )
10513         BeginBatch();
10514
10515     for ( int row = 0; row < m_numRows; row++ )
10516     {
10517         if ( !calcOnly )
10518             AutoSizeRow(row, setAsMin);
10519
10520         height += GetRowHeight(row);
10521     }
10522
10523     if ( !calcOnly )
10524         EndBatch();
10525
10526     return height;
10527 }
10528
10529 void wxGrid::AutoSize()
10530 {
10531     BeginBatch();
10532
10533     wxSize size(SetOrCalcColumnSizes(false), SetOrCalcRowSizes(false));
10534
10535     // round up the size to a multiple of scroll step - this ensures that we
10536     // won't get the scrollbars if we're sized exactly to this width
10537     // CalcDimension adds m_extraWidth + 1 etc. to calculate the necessary
10538     // scrollbar steps
10539     wxSize sizeFit(
10540         GetScrollX(size.x + m_extraWidth + 1) * m_scrollLineX,
10541         GetScrollY(size.y + m_extraHeight + 1) * m_scrollLineY );
10542
10543     // distribute the extra space between the columns/rows to avoid having
10544     // extra white space
10545
10546     // Remove the extra m_extraWidth + 1 added above
10547     wxCoord diff = sizeFit.x - size.x + (m_extraWidth + 1);
10548     if ( diff && m_numCols )
10549     {
10550         // try to resize the columns uniformly
10551         wxCoord diffPerCol = diff / m_numCols;
10552         if ( diffPerCol )
10553         {
10554             for ( int col = 0; col < m_numCols; col++ )
10555             {
10556                 SetColSize(col, GetColWidth(col) + diffPerCol);
10557             }
10558         }
10559
10560         // add remaining amount to the last columns
10561         diff -= diffPerCol * m_numCols;
10562         if ( diff )
10563         {
10564             for ( int col = m_numCols - 1; col >= m_numCols - diff; col-- )
10565             {
10566                 SetColSize(col, GetColWidth(col) + 1);
10567             }
10568         }
10569     }
10570
10571     // same for rows
10572     diff = sizeFit.y - size.y - (m_extraHeight + 1);
10573     if ( diff && m_numRows )
10574     {
10575         // try to resize the columns uniformly
10576         wxCoord diffPerRow = diff / m_numRows;
10577         if ( diffPerRow )
10578         {
10579             for ( int row = 0; row < m_numRows; row++ )
10580             {
10581                 SetRowSize(row, GetRowHeight(row) + diffPerRow);
10582             }
10583         }
10584
10585         // add remaining amount to the last rows
10586         diff -= diffPerRow * m_numRows;
10587         if ( diff )
10588         {
10589             for ( int row = m_numRows - 1; row >= m_numRows - diff; row-- )
10590             {
10591                 SetRowSize(row, GetRowHeight(row) + 1);
10592             }
10593         }
10594     }
10595
10596     EndBatch();
10597
10598     SetClientSize(sizeFit);
10599 }
10600
10601 void wxGrid::AutoSizeRowLabelSize( int row )
10602 {
10603     wxArrayString lines;
10604     long w, h;
10605
10606     // Hide the edit control, so it
10607     // won't interfere with drag-shrinking.
10608     if ( IsCellEditControlShown() )
10609     {
10610         HideCellEditControl();
10611         SaveEditControlValue();
10612     }
10613
10614     // autosize row height depending on label text
10615     StringToLines( GetRowLabelValue( row ), lines );
10616     wxClientDC dc( m_rowLabelWin );
10617     GetTextBoxSize( dc, lines, &w, &h );
10618     if ( h < m_defaultRowHeight )
10619         h = m_defaultRowHeight;
10620     SetRowSize(row, h);
10621     ForceRefresh();
10622 }
10623
10624 void wxGrid::AutoSizeColLabelSize( int col )
10625 {
10626     wxArrayString lines;
10627     long w, h;
10628
10629     // Hide the edit control, so it
10630     // won't interfere with drag-shrinking.
10631     if ( IsCellEditControlShown() )
10632     {
10633         HideCellEditControl();
10634         SaveEditControlValue();
10635     }
10636
10637     // autosize column width depending on label text
10638     StringToLines( GetColLabelValue( col ), lines );
10639     wxClientDC dc( m_colLabelWin );
10640     if ( GetColLabelTextOrientation() == wxHORIZONTAL )
10641         GetTextBoxSize( dc, lines, &w, &h );
10642     else
10643         GetTextBoxSize( dc, lines, &h, &w );
10644     if ( w < m_defaultColWidth )
10645         w = m_defaultColWidth;
10646     SetColSize(col, w);
10647     ForceRefresh();
10648 }
10649
10650 wxSize wxGrid::DoGetBestSize() const
10651 {
10652     // don't set sizes, only calculate them
10653     wxGrid *self = (wxGrid *)this;  // const_cast
10654
10655     int width, height;
10656     width = self->SetOrCalcColumnSizes(true);
10657     height = self->SetOrCalcRowSizes(true);
10658
10659     if (!width)
10660         width = 100;
10661     if (!height)
10662         height = 80;
10663
10664     // Round up to a multiple the scroll rate
10665     // NOTE: this still doesn't get rid of the scrollbars;
10666     // is there any magic incantation for that?
10667     int xpu, ypu;
10668     GetScrollPixelsPerUnit(&xpu, &ypu);
10669     if (xpu)
10670         width  += 1 + xpu - (width  % xpu);
10671     if (ypu)
10672         height += 1 + ypu - (height % ypu);
10673
10674     // limit to 1/4 of the screen size
10675     int maxwidth, maxheight;
10676     wxDisplaySize( &maxwidth, &maxheight );
10677     maxwidth /= 2;
10678     maxheight /= 2;
10679     if ( width > maxwidth )
10680         width = maxwidth;
10681     if ( height > maxheight )
10682         height = maxheight;
10683
10684     wxSize best(width, height);
10685
10686     // NOTE: This size should be cached, but first we need to add calls to
10687     // InvalidateBestSize everywhere that could change the results of this
10688     // calculation.
10689     // CacheBestSize(size);
10690
10691     return best;
10692 }
10693
10694 void wxGrid::Fit()
10695 {
10696     AutoSize();
10697 }
10698
10699 wxPen& wxGrid::GetDividerPen() const
10700 {
10701     return wxNullPen;
10702 }
10703
10704 // ----------------------------------------------------------------------------
10705 // cell value accessor functions
10706 // ----------------------------------------------------------------------------
10707
10708 void wxGrid::SetCellValue( int row, int col, const wxString& s )
10709 {
10710     if ( m_table )
10711     {
10712         m_table->SetValue( row, col, s );
10713         if ( !GetBatchCount() )
10714         {
10715             int dummy;
10716             wxRect rect( CellToRect( row, col ) );
10717             rect.x = 0;
10718             rect.width = m_gridWin->GetClientSize().GetWidth();
10719             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
10720             m_gridWin->Refresh( false, &rect );
10721         }
10722
10723         if ( m_currentCellCoords.GetRow() == row &&
10724              m_currentCellCoords.GetCol() == col &&
10725              IsCellEditControlShown())
10726              // Note: If we are using IsCellEditControlEnabled,
10727              // this interacts badly with calling SetCellValue from
10728              // an EVT_GRID_CELL_CHANGE handler.
10729         {
10730             HideCellEditControl();
10731             ShowCellEditControl(); // will reread data from table
10732         }
10733     }
10734 }
10735
10736 // ----------------------------------------------------------------------------
10737 // block, row and column selection
10738 // ----------------------------------------------------------------------------
10739
10740 void wxGrid::SelectRow( int row, bool addToSelected )
10741 {
10742     if ( IsSelection() && !addToSelected )
10743         ClearSelection();
10744
10745     if ( m_selection )
10746         m_selection->SelectRow( row, false, addToSelected );
10747 }
10748
10749 void wxGrid::SelectCol( int col, bool addToSelected )
10750 {
10751     if ( IsSelection() && !addToSelected )
10752         ClearSelection();
10753
10754     if ( m_selection )
10755         m_selection->SelectCol( col, false, addToSelected );
10756 }
10757
10758 void wxGrid::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol,
10759                           bool addToSelected )
10760 {
10761     if ( IsSelection() && !addToSelected )
10762         ClearSelection();
10763
10764     if ( m_selection )
10765         m_selection->SelectBlock( topRow, leftCol, bottomRow, rightCol,
10766                                   false, addToSelected );
10767 }
10768
10769 void wxGrid::SelectAll()
10770 {
10771     if ( m_numRows > 0 && m_numCols > 0 )
10772     {
10773         if ( m_selection )
10774             m_selection->SelectBlock( 0, 0, m_numRows - 1, m_numCols - 1 );
10775     }
10776 }
10777
10778 // ----------------------------------------------------------------------------
10779 // cell, row and col deselection
10780 // ----------------------------------------------------------------------------
10781
10782 void wxGrid::DeselectRow( int row )
10783 {
10784     if ( !m_selection )
10785         return;
10786
10787     if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectRows )
10788     {
10789         if ( m_selection->IsInSelection(row, 0 ) )
10790             m_selection->ToggleCellSelection(row, 0);
10791     }
10792     else
10793     {
10794         int nCols = GetNumberCols();
10795         for ( int i = 0; i < nCols; i++ )
10796         {
10797             if ( m_selection->IsInSelection(row, i ) )
10798                 m_selection->ToggleCellSelection(row, i);
10799         }
10800     }
10801 }
10802
10803 void wxGrid::DeselectCol( int col )
10804 {
10805     if ( !m_selection )
10806         return;
10807
10808     if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectColumns )
10809     {
10810         if ( m_selection->IsInSelection(0, col ) )
10811             m_selection->ToggleCellSelection(0, col);
10812     }
10813     else
10814     {
10815         int nRows = GetNumberRows();
10816         for ( int i = 0; i < nRows; i++ )
10817         {
10818             if ( m_selection->IsInSelection(i, col ) )
10819                 m_selection->ToggleCellSelection(i, col);
10820         }
10821     }
10822 }
10823
10824 void wxGrid::DeselectCell( int row, int col )
10825 {
10826     if ( m_selection && m_selection->IsInSelection(row, col) )
10827         m_selection->ToggleCellSelection(row, col);
10828 }
10829
10830 bool wxGrid::IsSelection()
10831 {
10832     return ( m_selection && (m_selection->IsSelection() ||
10833              ( m_selectingTopLeft != wxGridNoCellCoords &&
10834                m_selectingBottomRight != wxGridNoCellCoords) ) );
10835 }
10836
10837 bool wxGrid::IsInSelection( int row, int col ) const
10838 {
10839     return ( m_selection && (m_selection->IsInSelection( row, col ) ||
10840              ( row >= m_selectingTopLeft.GetRow() &&
10841                col >= m_selectingTopLeft.GetCol() &&
10842                row <= m_selectingBottomRight.GetRow() &&
10843                col <= m_selectingBottomRight.GetCol() )) );
10844 }
10845
10846 wxGridCellCoordsArray wxGrid::GetSelectedCells() const
10847 {
10848     if (!m_selection)
10849     {
10850         wxGridCellCoordsArray a;
10851         return a;
10852     }
10853
10854     return m_selection->m_cellSelection;
10855 }
10856
10857 wxGridCellCoordsArray wxGrid::GetSelectionBlockTopLeft() const
10858 {
10859     if (!m_selection)
10860     {
10861         wxGridCellCoordsArray a;
10862         return a;
10863     }
10864
10865     return m_selection->m_blockSelectionTopLeft;
10866 }
10867
10868 wxGridCellCoordsArray wxGrid::GetSelectionBlockBottomRight() const
10869 {
10870     if (!m_selection)
10871     {
10872         wxGridCellCoordsArray a;
10873         return a;
10874     }
10875
10876     return m_selection->m_blockSelectionBottomRight;
10877 }
10878
10879 wxArrayInt wxGrid::GetSelectedRows() const
10880 {
10881     if (!m_selection)
10882     {
10883         wxArrayInt a;
10884         return a;
10885     }
10886
10887     return m_selection->m_rowSelection;
10888 }
10889
10890 wxArrayInt wxGrid::GetSelectedCols() const
10891 {
10892     if (!m_selection)
10893     {
10894         wxArrayInt a;
10895         return a;
10896     }
10897
10898     return m_selection->m_colSelection;
10899 }
10900
10901 void wxGrid::ClearSelection()
10902 {
10903     m_selectingTopLeft =
10904     m_selectingBottomRight =
10905     m_selectingKeyboard = wxGridNoCellCoords;
10906     if ( m_selection )
10907         m_selection->ClearSelection();
10908 }
10909
10910 // This function returns the rectangle that encloses the given block
10911 // in device coords clipped to the client size of the grid window.
10912 //
10913 wxRect wxGrid::BlockToDeviceRect( const wxGridCellCoords &topLeft,
10914                                   const wxGridCellCoords &bottomRight )
10915 {
10916     wxRect rect( wxGridNoCellRect );
10917     wxRect cellRect;
10918
10919     cellRect = CellToRect( topLeft );
10920     if ( cellRect != wxGridNoCellRect )
10921     {
10922         rect = cellRect;
10923     }
10924     else
10925     {
10926         rect = wxRect(0, 0, 0, 0);
10927     }
10928
10929     cellRect = CellToRect( bottomRight );
10930     if ( cellRect != wxGridNoCellRect )
10931     {
10932         rect += cellRect;
10933     }
10934     else
10935     {
10936         return wxGridNoCellRect;
10937     }
10938
10939     int i, j;
10940     int left = rect.GetLeft();
10941     int top = rect.GetTop();
10942     int right = rect.GetRight();
10943     int bottom = rect.GetBottom();
10944
10945     int leftCol = topLeft.GetCol();
10946     int topRow = topLeft.GetRow();
10947     int rightCol = bottomRight.GetCol();
10948     int bottomRow = bottomRight.GetRow();
10949
10950     if (left > right)
10951     {
10952         i = left;
10953         left = right;
10954         right = i;
10955         i = leftCol;
10956         leftCol = rightCol;
10957         rightCol = i;
10958     }
10959
10960     if (top > bottom)
10961     {
10962         i = top;
10963         top = bottom;
10964         bottom = i;
10965         i = topRow;
10966         topRow = bottomRow;
10967         bottomRow = i;
10968     }
10969
10970     for ( j = topRow; j <= bottomRow; j++ )
10971     {
10972         for ( i = leftCol; i <= rightCol; i++ )
10973         {
10974             if ((j == topRow) || (j == bottomRow) || (i == leftCol) || (i == rightCol))
10975             {
10976                 cellRect = CellToRect( j, i );
10977
10978                 if (cellRect.x < left)
10979                     left = cellRect.x;
10980                 if (cellRect.y < top)
10981                     top = cellRect.y;
10982                 if (cellRect.x + cellRect.width > right)
10983                     right = cellRect.x + cellRect.width;
10984                 if (cellRect.y + cellRect.height > bottom)
10985                     bottom = cellRect.y + cellRect.height;
10986             }
10987             else
10988             {
10989                 i = rightCol; // jump over inner cells.
10990             }
10991         }
10992     }
10993
10994     // convert to scrolled coords
10995     //
10996     CalcScrolledPosition( left, top, &left, &top );
10997     CalcScrolledPosition( right, bottom, &right, &bottom );
10998
10999     int cw, ch;
11000     m_gridWin->GetClientSize( &cw, &ch );
11001
11002     if (right < 0 || bottom < 0 || left > cw || top > ch)
11003         return wxRect(0,0,0,0);
11004
11005     rect.SetLeft( wxMax(0, left) );
11006     rect.SetTop( wxMax(0, top) );
11007     rect.SetRight( wxMin(cw, right) );
11008     rect.SetBottom( wxMin(ch, bottom) );
11009
11010     return rect;
11011 }
11012
11013 // ----------------------------------------------------------------------------
11014 // grid event classes
11015 // ----------------------------------------------------------------------------
11016
11017 IMPLEMENT_DYNAMIC_CLASS( wxGridEvent, wxNotifyEvent )
11018
11019 wxGridEvent::wxGridEvent( int id, wxEventType type, wxObject* obj,
11020                           int row, int col, int x, int y, bool sel,
11021                           bool control, bool shift, bool alt, bool meta )
11022         : wxNotifyEvent( type, id )
11023 {
11024     m_row = row;
11025     m_col = col;
11026     m_x = x;
11027     m_y = y;
11028     m_selecting = sel;
11029     m_control = control;
11030     m_shift = shift;
11031     m_alt = alt;
11032     m_meta = meta;
11033
11034     SetEventObject(obj);
11035 }
11036
11037
11038 IMPLEMENT_DYNAMIC_CLASS( wxGridSizeEvent, wxNotifyEvent )
11039
11040 wxGridSizeEvent::wxGridSizeEvent( int id, wxEventType type, wxObject* obj,
11041                                   int rowOrCol, int x, int y,
11042                                   bool control, bool shift, bool alt, bool meta )
11043         : wxNotifyEvent( type, id )
11044 {
11045     m_rowOrCol = rowOrCol;
11046     m_x = x;
11047     m_y = y;
11048     m_control = control;
11049     m_shift = shift;
11050     m_alt = alt;
11051     m_meta = meta;
11052
11053     SetEventObject(obj);
11054 }
11055
11056
11057 IMPLEMENT_DYNAMIC_CLASS( wxGridRangeSelectEvent, wxNotifyEvent )
11058
11059 wxGridRangeSelectEvent::wxGridRangeSelectEvent(int id, wxEventType type, wxObject* obj,
11060                                                const wxGridCellCoords& topLeft,
11061                                                const wxGridCellCoords& bottomRight,
11062                                                bool sel, bool control,
11063                                                bool shift, bool alt, bool meta )
11064         : wxNotifyEvent( type, id )
11065 {
11066     m_topLeft = topLeft;
11067     m_bottomRight = bottomRight;
11068     m_selecting = sel;
11069     m_control = control;
11070     m_shift = shift;
11071     m_alt = alt;
11072     m_meta = meta;
11073
11074     SetEventObject(obj);
11075 }
11076
11077
11078 IMPLEMENT_DYNAMIC_CLASS(wxGridEditorCreatedEvent, wxCommandEvent)
11079
11080 wxGridEditorCreatedEvent::wxGridEditorCreatedEvent(int id, wxEventType type,
11081                                                    wxObject* obj, int row,
11082                                                    int col, wxControl* ctrl)
11083     : wxCommandEvent(type, id)
11084 {
11085     SetEventObject(obj);
11086     m_row = row;
11087     m_col = col;
11088     m_ctrl = ctrl;
11089 }
11090
11091 #endif // wxUSE_GRID