src/generic/grid.cpp

   1 ///////////////////////////////////////////////////////////////////////////
   2 // Name:        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
   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 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "grid.h"
  22 #endif
  23
  24 // For compilers that support precompilatixon, includes "wx/wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #include "wx/defs.h"
  28
  29 #ifdef __BORLANDC__
  30     #pragma hdrstop
  31 #endif
  32
  33 #if wxUSE_GRID
  34
  35 #if !defined(wxUSE_NEW_GRID) || !(wxUSE_NEW_GRID)
  36     #include "gridg.cpp"
  37 #else // wxUSE_NEW_GRID
  38
  39 #ifndef WX_PRECOMP
  40     #include "wx/utils.h"
  41     #include "wx/dcclient.h"
  42     #include "wx/settings.h"
  43     #include "wx/log.h"
  44     #include "wx/textctrl.h"
  45     #include "wx/checkbox.h"
  46     #include "wx/combobox.h"
  47     #include "wx/valtext.h"
  48 #endif
  49
  50 #include "wx/textfile.h"
  51 #include "wx/spinctrl.h"
  52 #include "wx/tokenzr.h"
  53
  54 #include "wx/grid.h"
  55 #include "wx/generic/gridsel.h"
  56
  57 #if defined(__WXMOTIF__)
  58     #define WXUNUSED_MOTIF(identifier)  WXUNUSED(identifier)
  59 #else
  60     #define WXUNUSED_MOTIF(identifier)  identifier
  61 #endif
  62
  63 #if defined(__WXGTK__)
  64     #define WXUNUSED_GTK(identifier)    WXUNUSED(identifier)
  65 #else
  66     #define WXUNUSED_GTK(identifier)    identifier
  67 #endif
  68
  69 // Required for wxIs... functions
  70 #include <ctype.h>
  71
  72 // ----------------------------------------------------------------------------
  73 // array classes
  74 // ----------------------------------------------------------------------------
  75
  76 WX_DEFINE_EXPORTED_ARRAY(wxGridCellAttr *, wxArrayAttrs);
  77
  78 struct wxGridCellWithAttr
  79 {
  80     wxGridCellWithAttr(int row, int col, wxGridCellAttr *attr_)
  81         : coords(row, col), attr(attr_)
  82     {
  83     }
  84
  85     ~wxGridCellWithAttr()
  86     {
  87         attr->DecRef();
  88     }
  89
  90     wxGridCellCoords coords;
  91     wxGridCellAttr  *attr;
  92 };
  93
  94 WX_DECLARE_EXPORTED_OBJARRAY(wxGridCellWithAttr, wxGridCellWithAttrArray);
  95
  96 #include "wx/arrimpl.cpp"
  97
  98 WX_DEFINE_OBJARRAY(wxGridCellCoordsArray)
  99 WX_DEFINE_OBJARRAY(wxGridCellWithAttrArray)
 100
 101 // ----------------------------------------------------------------------------
 102 // events
 103 // ----------------------------------------------------------------------------
 104
 105 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_LEFT_CLICK)
 106 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_RIGHT_CLICK)
 107 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_LEFT_DCLICK)
 108 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_RIGHT_DCLICK)
 109 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_LEFT_CLICK)
 110 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_RIGHT_CLICK)
 111 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_LEFT_DCLICK)
 112 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_RIGHT_DCLICK)
 113 DEFINE_EVENT_TYPE(wxEVT_GRID_ROW_SIZE)
 114 DEFINE_EVENT_TYPE(wxEVT_GRID_COL_SIZE)
 115 DEFINE_EVENT_TYPE(wxEVT_GRID_RANGE_SELECT)
 116 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_CHANGE)
 117 DEFINE_EVENT_TYPE(wxEVT_GRID_SELECT_CELL)
 118 DEFINE_EVENT_TYPE(wxEVT_GRID_EDITOR_SHOWN)
 119 DEFINE_EVENT_TYPE(wxEVT_GRID_EDITOR_HIDDEN)
 120 DEFINE_EVENT_TYPE(wxEVT_GRID_EDITOR_CREATED)
 121
 122 // ----------------------------------------------------------------------------
 123 // private classes
 124 // ----------------------------------------------------------------------------
 125
 126 class WXDLLEXPORT wxGridRowLabelWindow : public wxWindow
 127 {
 128 public:
 129     wxGridRowLabelWindow() { m_owner = (wxGrid *)NULL; }
 130     wxGridRowLabelWindow( wxGrid *parent, wxWindowID id,
 131                           const wxPoint &pos, const wxSize &size );
 132
 133 private:
 134     wxGrid   *m_owner;
 135
 136     void OnPaint( wxPaintEvent& event );
 137     void OnMouseEvent( wxMouseEvent& event );
 138     void OnMouseWheel( wxMouseEvent& event );
 139     void OnKeyDown( wxKeyEvent& event );
 140     void OnKeyUp( wxKeyEvent& );
 141
 142     DECLARE_DYNAMIC_CLASS(wxGridRowLabelWindow)
 143     DECLARE_EVENT_TABLE()
 144 };
 145
 146
 147 class WXDLLEXPORT wxGridColLabelWindow : public wxWindow
 148 {
 149 public:
 150     wxGridColLabelWindow() { m_owner = (wxGrid *)NULL; }
 151     wxGridColLabelWindow( wxGrid *parent, wxWindowID id,
 152                           const wxPoint &pos, const wxSize &size );
 153
 154 private:
 155     wxGrid   *m_owner;
 156
 157     void OnPaint( wxPaintEvent &event );
 158     void OnMouseEvent( wxMouseEvent& event );
 159     void OnMouseWheel( wxMouseEvent& event );
 160     void OnKeyDown( wxKeyEvent& event );
 161     void OnKeyUp( wxKeyEvent& );
 162
 163     DECLARE_DYNAMIC_CLASS(wxGridColLabelWindow)
 164     DECLARE_EVENT_TABLE()
 165 };
 166
 167
 168 class WXDLLEXPORT wxGridCornerLabelWindow : public wxWindow
 169 {
 170 public:
 171     wxGridCornerLabelWindow() { m_owner = (wxGrid *)NULL; }
 172     wxGridCornerLabelWindow( wxGrid *parent, wxWindowID id,
 173                              const wxPoint &pos, const wxSize &size );
 174
 175 private:
 176     wxGrid *m_owner;
 177
 178     void OnMouseEvent( wxMouseEvent& event );
 179     void OnMouseWheel( wxMouseEvent& event );
 180     void OnKeyDown( wxKeyEvent& event );
 181     void OnKeyUp( wxKeyEvent& );
 182     void OnPaint( wxPaintEvent& event );
 183
 184     DECLARE_DYNAMIC_CLASS(wxGridCornerLabelWindow)
 185     DECLARE_EVENT_TABLE()
 186 };
 187
 188 class WXDLLEXPORT wxGridWindow : public wxWindow
 189 {
 190 public:
 191     wxGridWindow()
 192     {
 193         m_owner = (wxGrid *)NULL;
 194         m_rowLabelWin = (wxGridRowLabelWindow *)NULL;
 195         m_colLabelWin = (wxGridColLabelWindow *)NULL;
 196     }
 197
 198     wxGridWindow( wxGrid *parent,
 199                   wxGridRowLabelWindow *rowLblWin,
 200                   wxGridColLabelWindow *colLblWin,
 201                   wxWindowID id, const wxPoint &pos, const wxSize &size );
 202     ~wxGridWindow();
 203
 204     void ScrollWindow( int dx, int dy, const wxRect *rect );
 205
 206 private:
 207     wxGrid                   *m_owner;
 208     wxGridRowLabelWindow     *m_rowLabelWin;
 209     wxGridColLabelWindow     *m_colLabelWin;
 210
 211     void OnPaint( wxPaintEvent &event );
 212     void OnMouseWheel( wxMouseEvent& event );
 213     void OnMouseEvent( wxMouseEvent& event );
 214     void OnKeyDown( wxKeyEvent& );
 215     void OnKeyUp( wxKeyEvent& );
 216     void OnEraseBackground( wxEraseEvent& );
 217
 218
 219     DECLARE_DYNAMIC_CLASS(wxGridWindow)
 220     DECLARE_EVENT_TABLE()
 221 };
 222
 223
 224
 225 class wxGridCellEditorEvtHandler : public wxEvtHandler
 226 {
 227 public:
 228     wxGridCellEditorEvtHandler()
 229         : m_grid(0), m_editor(0)
 230         { }
 231     wxGridCellEditorEvtHandler(wxGrid* grid, wxGridCellEditor* editor)
 232         : m_grid(grid), m_editor(editor)
 233         { }
 234
 235     void OnKeyDown(wxKeyEvent& event);
 236     void OnChar(wxKeyEvent& event);
 237
 238 private:
 239     wxGrid*             m_grid;
 240     wxGridCellEditor*   m_editor;
 241     DECLARE_DYNAMIC_CLASS(wxGridCellEditorEvtHandler)
 242     DECLARE_EVENT_TABLE()
 243 };
 244
 245
 246 IMPLEMENT_DYNAMIC_CLASS( wxGridCellEditorEvtHandler, wxEvtHandler )
 247 BEGIN_EVENT_TABLE( wxGridCellEditorEvtHandler, wxEvtHandler )
 248     EVT_KEY_DOWN( wxGridCellEditorEvtHandler::OnKeyDown )
 249     EVT_CHAR( wxGridCellEditorEvtHandler::OnChar )
 250 END_EVENT_TABLE()
 251
 252
 253
 254 // ----------------------------------------------------------------------------
 255 // the internal data representation used by wxGridCellAttrProvider
 256 // ----------------------------------------------------------------------------
 257
 258 // this class stores attributes set for cells
 259 class WXDLLEXPORT wxGridCellAttrData
 260 {
 261 public:
 262     void SetAttr(wxGridCellAttr *attr, int row, int col);
 263     wxGridCellAttr *GetAttr(int row, int col) const;
 264     void UpdateAttrRows( size_t pos, int numRows );
 265     void UpdateAttrCols( size_t pos, int numCols );
 266
 267 private:
 268     // searches for the attr for given cell, returns wxNOT_FOUND if not found
 269     int FindIndex(int row, int col) const;
 270
 271     wxGridCellWithAttrArray m_attrs;
 272 };
 273
 274 // this class stores attributes set for rows or columns
 275 class WXDLLEXPORT wxGridRowOrColAttrData
 276 {
 277 public:
 278     // empty ctor to suppress warnings
 279     wxGridRowOrColAttrData() { }
 280     ~wxGridRowOrColAttrData();
 281
 282     void SetAttr(wxGridCellAttr *attr, int rowOrCol);
 283     wxGridCellAttr *GetAttr(int rowOrCol) const;
 284     void UpdateAttrRowsOrCols( size_t pos, int numRowsOrCols );
 285
 286 private:
 287     wxArrayInt m_rowsOrCols;
 288     wxArrayAttrs m_attrs;
 289 };
 290
 291 // NB: this is just a wrapper around 3 objects: one which stores cell
 292 //     attributes, and 2 others for row/col ones
 293 class WXDLLEXPORT wxGridCellAttrProviderData
 294 {
 295 public:
 296     wxGridCellAttrData m_cellAttrs;
 297     wxGridRowOrColAttrData m_rowAttrs,
 298                            m_colAttrs;
 299 };
 300
 301
 302 // ----------------------------------------------------------------------------
 303 // data structures used for the data type registry
 304 // ----------------------------------------------------------------------------
 305
 306 struct wxGridDataTypeInfo
 307 {
 308     wxGridDataTypeInfo(const wxString& typeName,
 309                        wxGridCellRenderer* renderer,
 310                        wxGridCellEditor* editor)
 311         : m_typeName(typeName), m_renderer(renderer), m_editor(editor)
 312         { }
 313
 314     ~wxGridDataTypeInfo()
 315     {
 316         wxSafeDecRef(m_renderer);
 317         wxSafeDecRef(m_editor);
 318     }
 319
 320     wxString            m_typeName;
 321     wxGridCellRenderer* m_renderer;
 322     wxGridCellEditor*   m_editor;
 323 };
 324
 325
 326 WX_DEFINE_EXPORTED_ARRAY(wxGridDataTypeInfo*, wxGridDataTypeInfoArray);
 327
 328
 329 class WXDLLEXPORT wxGridTypeRegistry
 330 {
 331 public:
 332   wxGridTypeRegistry() {}
 333     ~wxGridTypeRegistry();
 334
 335     void RegisterDataType(const wxString& typeName,
 336                      wxGridCellRenderer* renderer,
 337                      wxGridCellEditor* editor);
 338
 339     // find one of already registered data types
 340     int FindRegisteredDataType(const wxString& typeName);
 341
 342     // try to FindRegisteredDataType(), if this fails and typeName is one of
 343     // standard typenames, register it and return its index
 344     int FindDataType(const wxString& typeName);
 345
 346     // try to FindDataType(), if it fails see if it is not one of already
 347     // registered data types with some params in which case clone the
 348     // registered data type and set params for it
 349     int FindOrCloneDataType(const wxString& typeName);
 350
 351     wxGridCellRenderer* GetRenderer(int index);
 352     wxGridCellEditor*   GetEditor(int index);
 353
 354 private:
 355     wxGridDataTypeInfoArray m_typeinfo;
 356 };
 357
 358 // ----------------------------------------------------------------------------
 359 // conditional compilation
 360 // ----------------------------------------------------------------------------
 361
 362 #ifndef WXGRID_DRAW_LINES
 363 #define WXGRID_DRAW_LINES 1
 364 #endif
 365
 366 // ----------------------------------------------------------------------------
 367 // globals
 368 // ----------------------------------------------------------------------------
 369
 370 //#define DEBUG_ATTR_CACHE
 371 #ifdef DEBUG_ATTR_CACHE
 372     static size_t gs_nAttrCacheHits = 0;
 373     static size_t gs_nAttrCacheMisses = 0;
 374 #endif // DEBUG_ATTR_CACHE
 375
 376 // ----------------------------------------------------------------------------
 377 // constants
 378 // ----------------------------------------------------------------------------
 379
 380 wxGridCellCoords wxGridNoCellCoords( -1, -1 );
 381 wxRect           wxGridNoCellRect( -1, -1, -1, -1 );
 382
 383 // scroll line size
 384 // TODO: this doesn't work at all, grid cells have different sizes and approx
 385 //       calculations don't work as because of the size mismatch scrollbars
 386 //       sometimes fail to be shown when they should be or vice versa
 387 //
 388 //       The scroll bars may be a little flakey once in a while, but that is
 389 //       surely much less horrible than having scroll lines of only 1!!!
 390 //       -- Robin
 391 //
 392 //       Well, it's still seriously broken so it might be better but needs
 393 //       fixing anyhow
 394 //       -- Vadim
 395 static const size_t GRID_SCROLL_LINE_X = 15;  // 1;
 396 static const size_t GRID_SCROLL_LINE_Y = GRID_SCROLL_LINE_X;
 397
 398 // the size of hash tables used a bit everywhere (the max number of elements
 399 // in these hash tables is the number of rows/columns)
 400 static const int GRID_HASH_SIZE = 100;
 401
 402 // ----------------------------------------------------------------------------
 403 // private functions
 404 // ----------------------------------------------------------------------------
 405
 406 static inline int GetScrollX(int x)
 407 {
 408     return (x + GRID_SCROLL_LINE_X - 1) / GRID_SCROLL_LINE_X;
 409 }
 410
 411 static inline int GetScrollY(int y)
 412 {
 413     return (y + GRID_SCROLL_LINE_Y - 1) / GRID_SCROLL_LINE_Y;
 414 }
 415
 416 // ============================================================================
 417 // implementation
 418 // ============================================================================
 419
 420 // ----------------------------------------------------------------------------
 421 // wxGridCellEditor
 422 // ----------------------------------------------------------------------------
 423
 424 wxGridCellEditor::wxGridCellEditor()
 425 {
 426     m_control = NULL;
 427 }
 428
 429
 430 wxGridCellEditor::~wxGridCellEditor()
 431 {
 432     Destroy();
 433 }
 434
 435 void wxGridCellEditor::Create(wxWindow* WXUNUSED(parent),
 436                               wxWindowID WXUNUSED(id),
 437                               wxEvtHandler* evtHandler)
 438 {
 439     if ( evtHandler )
 440         m_control->PushEventHandler(evtHandler);
 441 }
 442
 443 void wxGridCellEditor::PaintBackground(const wxRect& rectCell,
 444                                        wxGridCellAttr *attr)
 445 {
 446     // erase the background because we might not fill the cell
 447     wxClientDC dc(m_control->GetParent());
 448     dc.SetPen(*wxTRANSPARENT_PEN);
 449     dc.SetBrush(wxBrush(attr->GetBackgroundColour(), wxSOLID));
 450     dc.DrawRectangle(rectCell);
 451
 452     // redraw the control we just painted over
 453     m_control->Refresh();
 454 }
 455
 456 void wxGridCellEditor::Destroy()
 457 {
 458     if (m_control)
 459     {
 460         m_control->PopEventHandler(TRUE /* delete it*/);
 461
 462         m_control->Destroy();
 463         m_control = NULL;
 464     }
 465 }
 466
 467 void wxGridCellEditor::Show(bool show, wxGridCellAttr *attr)
 468 {
 469     wxASSERT_MSG(m_control,
 470                  wxT("The wxGridCellEditor must be Created first!"));
 471     m_control->Show(show);
 472
 473     if ( show )
 474     {
 475         // set the colours/fonts if we have any
 476         if ( attr )
 477         {
 478             m_colFgOld = m_control->GetForegroundColour();
 479             m_control->SetForegroundColour(attr->GetTextColour());
 480
 481             m_colBgOld = m_control->GetBackgroundColour();
 482             m_control->SetBackgroundColour(attr->GetBackgroundColour());
 483
 484             m_fontOld = m_control->GetFont();
 485             m_control->SetFont(attr->GetFont());
 486
 487             // can't do anything more in the base class version, the other
 488             // attributes may only be used by the derived classes
 489         }
 490     }
 491     else
 492     {
 493         // restore the standard colours fonts
 494         if ( m_colFgOld.Ok() )
 495         {
 496             m_control->SetForegroundColour(m_colFgOld);
 497             m_colFgOld = wxNullColour;
 498         }
 499
 500         if ( m_colBgOld.Ok() )
 501         {
 502             m_control->SetBackgroundColour(m_colBgOld);
 503             m_colBgOld = wxNullColour;
 504         }
 505
 506         if ( m_fontOld.Ok() )
 507         {
 508             m_control->SetFont(m_fontOld);
 509             m_fontOld = wxNullFont;
 510         }
 511     }
 512 }
 513
 514 void wxGridCellEditor::SetSize(const wxRect& rect)
 515 {
 516     wxASSERT_MSG(m_control,
 517                  wxT("The wxGridCellEditor must be Created first!"));
 518     m_control->SetSize(rect, wxSIZE_ALLOW_MINUS_ONE);
 519 }
 520
 521 void wxGridCellEditor::HandleReturn(wxKeyEvent& event)
 522 {
 523     event.Skip();
 524 }
 525
 526 bool wxGridCellEditor::IsAcceptedKey(wxKeyEvent& event)
 527 {
 528     // accept the simple key presses, not anything with Ctrl/Alt/Meta
 529     return !(event.ControlDown() || event.AltDown());
 530 }
 531
 532 void wxGridCellEditor::StartingKey(wxKeyEvent& event)
 533 {
 534     event.Skip();
 535 }
 536
 537 void wxGridCellEditor::StartingClick()
 538 {
 539 }
 540
 541 #if wxUSE_TEXTCTRL
 542
 543 // ----------------------------------------------------------------------------
 544 // wxGridCellTextEditor
 545 // ----------------------------------------------------------------------------
 546
 547 wxGridCellTextEditor::wxGridCellTextEditor()
 548 {
 549     m_maxChars = 0;
 550 }
 551
 552 void wxGridCellTextEditor::Create(wxWindow* parent,
 553                                   wxWindowID id,
 554                                   wxEvtHandler* evtHandler)
 555 {
 556     m_control = new wxTextCtrl(parent, id, wxEmptyString,
 557                                wxDefaultPosition, wxDefaultSize
 558 #if defined(__WXMSW__)
 559                                , wxTE_PROCESS_TAB | wxTE_MULTILINE |
 560                                  wxTE_NO_VSCROLL | wxTE_AUTO_SCROLL
 561 #endif
 562                               );
 563
 564     // TODO: use m_maxChars
 565
 566     wxGridCellEditor::Create(parent, id, evtHandler);
 567 }
 568
 569 void wxGridCellTextEditor::PaintBackground(const wxRect& WXUNUSED(rectCell),
 570                                            wxGridCellAttr * WXUNUSED(attr))
 571 {
 572     // as we fill the entire client area, don't do anything here to minimize
 573     // flicker
 574 }
 575
 576 void wxGridCellTextEditor::SetSize(const wxRect& rectOrig)
 577 {
 578     wxRect rect(rectOrig);
 579
 580     // Make the edit control large enough to allow for internal
 581     // margins
 582     //
 583     // TODO: remove this if the text ctrl sizing is improved esp. for
 584     // unix
 585     //
 586 #if defined(__WXGTK__)
 587     if (rect.x != 0)
 588     {
 589         rect.x += 1;
 590         rect.y += 1;
 591         rect.width -= 1;
 592         rect.height -= 1;
 593     }
 594 #else // !GTK
 595     int extra_x = ( rect.x > 2 )? 2 : 1;
 596
 597 // MB: treat MSW separately here otherwise the caret doesn't show
 598 // when the editor is in the first row.
 599 #if defined(__WXMSW__)
 600     int extra_y = 2;
 601 #else
 602     int extra_y = ( rect.y > 2 )? 2 : 1;
 603 #endif // MSW
 604
 605 #if defined(__WXMOTIF__)
 606     extra_x *= 2;
 607     extra_y *= 2;
 608 #endif
 609     rect.SetLeft( wxMax(0, rect.x - extra_x) );
 610     rect.SetTop( wxMax(0, rect.y - extra_y) );
 611     rect.SetRight( rect.GetRight() + 2*extra_x );
 612     rect.SetBottom( rect.GetBottom() + 2*extra_y );
 613 #endif // GTK/!GTK
 614
 615     wxGridCellEditor::SetSize(rect);
 616 }
 617
 618 void wxGridCellTextEditor::BeginEdit(int row, int col, wxGrid* grid)
 619 {
 620     wxASSERT_MSG(m_control,
 621                  wxT("The wxGridCellEditor must be Created first!"));
 622
 623     m_startValue = grid->GetTable()->GetValue(row, col);
 624
 625     DoBeginEdit(m_startValue);
 626 }
 627
 628 void wxGridCellTextEditor::DoBeginEdit(const wxString& startValue)
 629 {
 630     Text()->SetValue(startValue);
 631     Text()->SetInsertionPointEnd();
 632     Text()->SetSelection(-1,-1);
 633     Text()->SetFocus();
 634 }
 635
 636 bool wxGridCellTextEditor::EndEdit(int row, int col,
 637                                    wxGrid* grid)
 638 {
 639     wxASSERT_MSG(m_control,
 640                  wxT("The wxGridCellEditor must be Created first!"));
 641
 642     bool changed = FALSE;
 643     wxString value = Text()->GetValue();
 644     if (value != m_startValue)
 645         changed = TRUE;
 646
 647     if (changed)
 648         grid->GetTable()->SetValue(row, col, value);
 649
 650     m_startValue = wxEmptyString;
 651     Text()->SetValue(m_startValue);
 652
 653     return changed;
 654 }
 655
 656
 657 void wxGridCellTextEditor::Reset()
 658 {
 659     wxASSERT_MSG(m_control,
 660                  wxT("The wxGridCellEditor must be Created first!"));
 661
 662     DoReset(m_startValue);
 663 }
 664
 665 void wxGridCellTextEditor::DoReset(const wxString& startValue)
 666 {
 667     Text()->SetValue(startValue);
 668     Text()->SetInsertionPointEnd();
 669 }
 670
 671 bool wxGridCellTextEditor::IsAcceptedKey(wxKeyEvent& event)
 672 {
 673     if ( wxGridCellEditor::IsAcceptedKey(event) )
 674     {
 675         int keycode = event.GetKeyCode();
 676         switch ( keycode )
 677         {
 678             case WXK_NUMPAD0:
 679             case WXK_NUMPAD1:
 680             case WXK_NUMPAD2:
 681             case WXK_NUMPAD3:
 682             case WXK_NUMPAD4:
 683             case WXK_NUMPAD5:
 684             case WXK_NUMPAD6:
 685             case WXK_NUMPAD7:
 686             case WXK_NUMPAD8:
 687             case WXK_NUMPAD9:
 688             case WXK_MULTIPLY:
 689             case WXK_NUMPAD_MULTIPLY:
 690             case WXK_ADD:
 691             case WXK_NUMPAD_ADD:
 692             case WXK_SUBTRACT:
 693             case WXK_NUMPAD_SUBTRACT:
 694             case WXK_DECIMAL:
 695             case WXK_NUMPAD_DECIMAL:
 696             case WXK_DIVIDE:
 697             case WXK_NUMPAD_DIVIDE:
 698                 return TRUE;
 699
 700             default:
 701                 // accept 8 bit chars too if isprint() agrees
 702                 if ( (keycode < 255) && (isprint(keycode)) )
 703                     return TRUE;
 704         }
 705     }
 706
 707     return FALSE;
 708 }
 709
 710 void wxGridCellTextEditor::StartingKey(wxKeyEvent& event)
 711 {
 712     if ( !Text()->EmulateKeyPress(event) )
 713     {
 714         event.Skip();
 715     }
 716 }
 717
 718 void wxGridCellTextEditor::HandleReturn( wxKeyEvent&
 719                                          WXUNUSED_GTK(WXUNUSED_MOTIF(event)) )
 720 {
 721 #if defined(__WXMOTIF__) || defined(__WXGTK__)
 722     // wxMotif needs a little extra help...
 723     size_t pos = (size_t)( Text()->GetInsertionPoint() );
 724     wxString s( Text()->GetValue() );
 725     s = s.Left(pos) + wxT("\n") + s.Mid(pos);
 726     Text()->SetValue(s);
 727     Text()->SetInsertionPoint( pos );
 728 #else
 729     // the other ports can handle a Return key press
 730     //
 731     event.Skip();
 732 #endif
 733 }
 734
 735 void wxGridCellTextEditor::SetParameters(const wxString& params)
 736 {
 737     if ( !params )
 738     {
 739         // reset to default
 740         m_maxChars = 0;
 741     }
 742     else
 743     {
 744         long tmp;
 745         if ( !params.ToLong(&tmp) )
 746         {
 747             wxLogDebug(_T("Invalid wxGridCellTextEditor parameter string '%s' ignored"), params.c_str());
 748         }
 749         else
 750         {
 751             m_maxChars = (size_t)tmp;
 752         }
 753     }
 754 }
 755
 756 // ----------------------------------------------------------------------------
 757 // wxGridCellNumberEditor
 758 // ----------------------------------------------------------------------------
 759
 760 wxGridCellNumberEditor::wxGridCellNumberEditor(int min, int max)
 761 {
 762     m_min = min;
 763     m_max = max;
 764 }
 765
 766 void wxGridCellNumberEditor::Create(wxWindow* parent,
 767                                     wxWindowID id,
 768                                     wxEvtHandler* evtHandler)
 769 {
 770     if ( HasRange() )
 771     {
 772         // create a spin ctrl
 773         m_control = new wxSpinCtrl(parent, -1, wxEmptyString,
 774                                    wxDefaultPosition, wxDefaultSize,
 775                                    wxSP_ARROW_KEYS,
 776                                    m_min, m_max);
 777
 778         wxGridCellEditor::Create(parent, id, evtHandler);
 779     }
 780     else
 781     {
 782         // just a text control
 783         wxGridCellTextEditor::Create(parent, id, evtHandler);
 784
 785 #if wxUSE_VALIDATORS
 786         Text()->SetValidator(wxTextValidator(wxFILTER_NUMERIC));
 787 #endif // wxUSE_VALIDATORS
 788     }
 789 }
 790
 791 void wxGridCellNumberEditor::BeginEdit(int row, int col, wxGrid* grid)
 792 {
 793     // first get the value
 794     wxGridTableBase *table = grid->GetTable();
 795     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_NUMBER) )
 796     {
 797         m_valueOld = table->GetValueAsLong(row, col);
 798     }
 799     else
 800     {
 801         m_valueOld = 0;
 802         wxString sValue = table->GetValue(row, col);
 803         if (! sValue.ToLong(&m_valueOld) && ! sValue.IsEmpty())
 804         {
 805             wxFAIL_MSG( _T("this cell doesn't have numeric value") );
 806             return;
 807         }
 808     }
 809
 810     if ( HasRange() )
 811     {
 812         Spin()->SetValue((int)m_valueOld);
 813         Spin()->SetFocus();
 814     }
 815     else
 816     {
 817         DoBeginEdit(GetString());
 818     }
 819 }
 820
 821 bool wxGridCellNumberEditor::EndEdit(int row, int col,
 822                                      wxGrid* grid)
 823 {
 824     bool changed;
 825     long value = 0;
 826     wxString text;
 827
 828     if ( HasRange() )
 829     {
 830         value = Spin()->GetValue();
 831         changed = value != m_valueOld;
 832         if (changed)
 833             text = wxString::Format(wxT("%ld"), value);
 834     }
 835     else
 836     {
 837         text = Text()->GetValue();
 838         changed = (text.IsEmpty() || text.ToLong(&value)) && (value != m_valueOld);
 839     }
 840
 841     if ( changed )
 842     {
 843         if (grid->GetTable()->CanSetValueAs(row, col, wxGRID_VALUE_NUMBER))
 844             grid->GetTable()->SetValueAsLong(row, col, value);
 845         else
 846             grid->GetTable()->SetValue(row, col, text);
 847     }
 848
 849     return changed;
 850 }
 851
 852 void wxGridCellNumberEditor::Reset()
 853 {
 854     if ( HasRange() )
 855     {
 856         Spin()->SetValue((int)m_valueOld);
 857     }
 858     else
 859     {
 860         DoReset(GetString());
 861     }
 862 }
 863
 864 bool wxGridCellNumberEditor::IsAcceptedKey(wxKeyEvent& event)
 865 {
 866     if ( wxGridCellEditor::IsAcceptedKey(event) )
 867     {
 868         int keycode = event.GetKeyCode();
 869         switch ( keycode )
 870         {
 871             case WXK_NUMPAD0:
 872             case WXK_NUMPAD1:
 873             case WXK_NUMPAD2:
 874             case WXK_NUMPAD3:
 875             case WXK_NUMPAD4:
 876             case WXK_NUMPAD5:
 877             case WXK_NUMPAD6:
 878             case WXK_NUMPAD7:
 879             case WXK_NUMPAD8:
 880             case WXK_NUMPAD9:
 881             case WXK_ADD:
 882             case WXK_NUMPAD_ADD:
 883             case WXK_SUBTRACT:
 884             case WXK_NUMPAD_SUBTRACT:
 885             case WXK_UP:
 886             case WXK_DOWN:
 887                 return TRUE;
 888
 889             default:
 890                 if ( (keycode < 128) && isdigit(keycode) )
 891                     return TRUE;
 892         }
 893     }
 894
 895     return FALSE;
 896 }
 897
 898 void wxGridCellNumberEditor::StartingKey(wxKeyEvent& event)
 899 {
 900     if ( !HasRange() )
 901     {
 902         int keycode = (int) event.KeyCode();
 903         if ( isdigit(keycode) || keycode == '+' || keycode == '-'
 904             || keycode ==  WXK_NUMPAD0
 905             || keycode ==  WXK_NUMPAD1
 906             || keycode ==  WXK_NUMPAD2
 907             || keycode ==  WXK_NUMPAD3
 908             || keycode ==  WXK_NUMPAD4
 909             || keycode ==  WXK_NUMPAD5
 910             || keycode ==  WXK_NUMPAD6
 911             || keycode ==  WXK_NUMPAD7
 912             || keycode ==  WXK_NUMPAD8
 913             || keycode ==  WXK_NUMPAD9
 914             || keycode ==  WXK_ADD
 915             || keycode ==  WXK_NUMPAD_ADD
 916             || keycode ==  WXK_SUBTRACT
 917             || keycode ==  WXK_NUMPAD_SUBTRACT)
 918         {
 919             wxGridCellTextEditor::StartingKey(event);
 920
 921             // skip Skip() below
 922             return;
 923         }
 924     }
 925
 926     event.Skip();
 927 }
 928
 929 void wxGridCellNumberEditor::SetParameters(const wxString& params)
 930 {
 931     if ( !params )
 932     {
 933         // reset to default
 934         m_min =
 935         m_max = -1;
 936     }
 937     else
 938     {
 939         long tmp;
 940         if ( params.BeforeFirst(_T(',')).ToLong(&tmp) )
 941         {
 942             m_min = (int)tmp;
 943
 944             if ( params.AfterFirst(_T(',')).ToLong(&tmp) )
 945             {
 946                 m_max = (int)tmp;
 947
 948                 // skip the error message below
 949                 return;
 950             }
 951         }
 952
 953         wxLogDebug(_T("Invalid wxGridCellNumberEditor parameter string '%s' ignored"), params.c_str());
 954     }
 955 }
 956
 957 // ----------------------------------------------------------------------------
 958 // wxGridCellFloatEditor
 959 // ----------------------------------------------------------------------------
 960
 961 wxGridCellFloatEditor::wxGridCellFloatEditor(int width, int precision)
 962 {
 963     m_width = width;
 964     m_precision = precision;
 965 }
 966
 967 void wxGridCellFloatEditor::Create(wxWindow* parent,
 968                                    wxWindowID id,
 969                                    wxEvtHandler* evtHandler)
 970 {
 971     wxGridCellTextEditor::Create(parent, id, evtHandler);
 972
 973 #if wxUSE_VALIDATORS
 974     Text()->SetValidator(wxTextValidator(wxFILTER_NUMERIC));
 975 #endif // wxUSE_VALIDATORS
 976 }
 977
 978 void wxGridCellFloatEditor::BeginEdit(int row, int col, wxGrid* grid)
 979 {
 980     // first get the value
 981     wxGridTableBase *table = grid->GetTable();
 982     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_FLOAT) )
 983     {
 984         m_valueOld = table->GetValueAsDouble(row, col);
 985     }
 986     else
 987     {
 988         m_valueOld = 0.0;
 989         wxString sValue = table->GetValue(row, col);
 990         if (! sValue.ToDouble(&m_valueOld) && ! sValue.IsEmpty())
 991         {
 992             wxFAIL_MSG( _T("this cell doesn't have float value") );
 993             return;
 994         }
 995     }
 996
 997     DoBeginEdit(GetString());
 998 }
 999
1000 bool wxGridCellFloatEditor::EndEdit(int row, int col,
1001                                      wxGrid* grid)
1002 {
1003     double value = 0.0;
1004     wxString text(Text()->GetValue());
1005
1006     if ( (text.IsEmpty() || text.ToDouble(&value)) && (value != m_valueOld) )
1007     {
1008         if (grid->GetTable()->CanSetValueAs(row, col, wxGRID_VALUE_FLOAT))
1009             grid->GetTable()->SetValueAsDouble(row, col, value);
1010         else
1011             grid->GetTable()->SetValue(row, col, text);
1012
1013         return TRUE;
1014     }
1015     return FALSE;
1016 }
1017
1018 void wxGridCellFloatEditor::Reset()
1019 {
1020     DoReset(GetString());
1021 }
1022
1023 void wxGridCellFloatEditor::StartingKey(wxKeyEvent& event)
1024 {
1025     int keycode = (int)event.KeyCode();
1026         if ( isdigit(keycode) || keycode == '+' || keycode == '-' || keycode == '.'
1027             || keycode ==  WXK_NUMPAD0
1028             || keycode ==  WXK_NUMPAD1
1029             || keycode ==  WXK_NUMPAD2
1030             || keycode ==  WXK_NUMPAD3
1031             || keycode ==  WXK_NUMPAD4
1032             || keycode ==  WXK_NUMPAD5
1033             || keycode ==  WXK_NUMPAD6
1034             || keycode ==  WXK_NUMPAD7
1035             || keycode ==  WXK_NUMPAD8
1036             || keycode ==  WXK_NUMPAD9
1037             || keycode ==  WXK_ADD
1038             || keycode ==  WXK_NUMPAD_ADD
1039             || keycode ==  WXK_SUBTRACT
1040             || keycode ==  WXK_NUMPAD_SUBTRACT)
1041     {
1042         wxGridCellTextEditor::StartingKey(event);
1043
1044         // skip Skip() below
1045         return;
1046     }
1047
1048     event.Skip();
1049 }
1050
1051 void wxGridCellFloatEditor::SetParameters(const wxString& params)
1052 {
1053     if ( !params )
1054     {
1055         // reset to default
1056         m_width =
1057         m_precision = -1;
1058     }
1059     else
1060     {
1061         long tmp;
1062         if ( params.BeforeFirst(_T(',')).ToLong(&tmp) )
1063         {
1064             m_width = (int)tmp;
1065
1066             if ( params.AfterFirst(_T(',')).ToLong(&tmp) )
1067             {
1068                 m_precision = (int)tmp;
1069
1070                 // skip the error message below
1071                 return;
1072             }
1073         }
1074
1075         wxLogDebug(_T("Invalid wxGridCellFloatEditor parameter string '%s' ignored"), params.c_str());
1076     }
1077 }
1078
1079 wxString wxGridCellFloatEditor::GetString() const
1080 {
1081     wxString fmt;
1082     if ( m_width == -1 )
1083     {
1084         // default width/precision
1085         fmt = _T("%f");
1086     }
1087     else if ( m_precision == -1 )
1088     {
1089         // default precision
1090         fmt.Printf(_T("%%%d.f"), m_width);
1091     }
1092     else
1093     {
1094         fmt.Printf(_T("%%%d.%df"), m_width, m_precision);
1095     }
1096
1097     return wxString::Format(fmt, m_valueOld);
1098 }
1099
1100 bool wxGridCellFloatEditor::IsAcceptedKey(wxKeyEvent& event)
1101 {
1102     if ( wxGridCellEditor::IsAcceptedKey(event) )
1103     {
1104         int keycode = event.GetKeyCode();
1105         switch ( keycode )
1106         {
1107             case WXK_NUMPAD0:
1108             case WXK_NUMPAD1:
1109             case WXK_NUMPAD2:
1110             case WXK_NUMPAD3:
1111             case WXK_NUMPAD4:
1112             case WXK_NUMPAD5:
1113             case WXK_NUMPAD6:
1114             case WXK_NUMPAD7:
1115             case WXK_NUMPAD8:
1116             case WXK_NUMPAD9:
1117             case WXK_ADD:
1118             case WXK_NUMPAD_ADD:
1119             case WXK_SUBTRACT:
1120             case WXK_NUMPAD_SUBTRACT:
1121             case WXK_DECIMAL:
1122             case WXK_NUMPAD_DECIMAL:
1123                 return TRUE;
1124
1125             default:
1126                 // additionally accept 'e' as in '1e+6'
1127                 if ( (keycode < 128) &&
1128                      (isdigit(keycode) || tolower(keycode) == wxT('e')) )
1129                     return TRUE;
1130         }
1131     }
1132
1133     return FALSE;
1134 }
1135
1136 #endif // wxUSE_TEXTCTRL
1137
1138 #if wxUSE_CHECKBOX
1139
1140 // ----------------------------------------------------------------------------
1141 // wxGridCellBoolEditor
1142 // ----------------------------------------------------------------------------
1143
1144 void wxGridCellBoolEditor::Create(wxWindow* parent,
1145                                   wxWindowID id,
1146                                   wxEvtHandler* evtHandler)
1147 {
1148     m_control = new wxCheckBox(parent, id, wxEmptyString,
1149                                wxDefaultPosition, wxDefaultSize,
1150                                wxNO_BORDER);
1151
1152     wxGridCellEditor::Create(parent, id, evtHandler);
1153 }
1154
1155 void wxGridCellBoolEditor::SetSize(const wxRect& r)
1156 {
1157     bool resize = FALSE;
1158     wxSize size = m_control->GetSize();
1159     wxCoord minSize = wxMin(r.width, r.height);
1160
1161     // check if the checkbox is not too big/small for this cell
1162     wxSize sizeBest = m_control->GetBestSize();
1163     if ( !(size == sizeBest) )
1164     {
1165         // reset to default size if it had been made smaller
1166         size = sizeBest;
1167
1168         resize = TRUE;
1169     }
1170
1171     if ( size.x >= minSize || size.y >= minSize )
1172     {
1173         // leave 1 pixel margin
1174         size.x = size.y = minSize - 2;
1175
1176         resize = TRUE;
1177     }
1178
1179     if ( resize )
1180     {
1181         m_control->SetSize(size);
1182     }
1183
1184     // position it in the centre of the rectangle (TODO: support alignment?)
1185
1186 #if defined(__WXGTK__) || defined (__WXMOTIF__)
1187     // the checkbox without label still has some space to the right in wxGTK,
1188     // so shift it to the right
1189     size.x -= 8;
1190 #elif defined(__WXMSW__)
1191     // here too, but in other way
1192     size.x += 1;
1193     size.y -= 2;
1194 #endif
1195
1196     m_control->Move(r.x + r.width/2 - size.x/2, r.y + r.height/2 - size.y/2);
1197 }
1198
1199 void wxGridCellBoolEditor::Show(bool show, wxGridCellAttr *attr)
1200 {
1201     m_control->Show(show);
1202
1203     if ( show )
1204     {
1205         wxColour colBg = attr ? attr->GetBackgroundColour() : *wxLIGHT_GREY;
1206         CBox()->SetBackgroundColour(colBg);
1207     }
1208 }
1209
1210 void wxGridCellBoolEditor::BeginEdit(int row, int col, wxGrid* grid)
1211 {
1212     wxASSERT_MSG(m_control,
1213                  wxT("The wxGridCellEditor must be Created first!"));
1214
1215     if (grid->GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL))
1216         m_startValue = grid->GetTable()->GetValueAsBool(row, col);
1217     else
1218     {
1219         wxString cellval( grid->GetTable()->GetValue(row, col) );
1220         m_startValue = !( !cellval || (cellval == wxT("0")) );
1221     }
1222     CBox()->SetValue(m_startValue);
1223     CBox()->SetFocus();
1224 }
1225
1226 bool wxGridCellBoolEditor::EndEdit(int row, int col,
1227                                    wxGrid* grid)
1228 {
1229     wxASSERT_MSG(m_control,
1230                  wxT("The wxGridCellEditor must be Created first!"));
1231
1232     bool changed = FALSE;
1233     bool value = CBox()->GetValue();
1234     if ( value != m_startValue )
1235         changed = TRUE;
1236
1237     if ( changed )
1238     {
1239         if (grid->GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL))
1240             grid->GetTable()->SetValueAsBool(row, col, value);
1241         else
1242             grid->GetTable()->SetValue(row, col, value ? _T("1") : wxEmptyString);
1243     }
1244
1245     return changed;
1246 }
1247
1248 void wxGridCellBoolEditor::Reset()
1249 {
1250     wxASSERT_MSG(m_control,
1251                  wxT("The wxGridCellEditor must be Created first!"));
1252
1253     CBox()->SetValue(m_startValue);
1254 }
1255
1256 void wxGridCellBoolEditor::StartingClick()
1257 {
1258     CBox()->SetValue(!CBox()->GetValue());
1259 }
1260
1261 bool wxGridCellBoolEditor::IsAcceptedKey(wxKeyEvent& event)
1262 {
1263     if ( wxGridCellEditor::IsAcceptedKey(event) )
1264     {
1265         int keycode = event.GetKeyCode();
1266         switch ( keycode )
1267         {
1268             case WXK_MULTIPLY:
1269             case WXK_NUMPAD_MULTIPLY:
1270             case WXK_ADD:
1271             case WXK_NUMPAD_ADD:
1272             case WXK_SUBTRACT:
1273             case WXK_NUMPAD_SUBTRACT:
1274             case WXK_SPACE:
1275             case '+':
1276             case '-':
1277                 return TRUE;
1278         }
1279     }
1280
1281     return FALSE;
1282 }
1283
1284 #endif // wxUSE_CHECKBOX
1285
1286 #if wxUSE_COMBOBOX
1287
1288 // ----------------------------------------------------------------------------
1289 // wxGridCellChoiceEditor
1290 // ----------------------------------------------------------------------------
1291
1292 wxGridCellChoiceEditor::wxGridCellChoiceEditor(size_t count,
1293                                                const wxString choices[],
1294                                                bool allowOthers)
1295                       : m_allowOthers(allowOthers)
1296 {
1297     if ( count )
1298     {
1299         m_choices.Alloc(count);
1300         for ( size_t n = 0; n < count; n++ )
1301         {
1302             m_choices.Add(choices[n]);
1303         }
1304     }
1305 }
1306
1307 wxGridCellEditor *wxGridCellChoiceEditor::Clone() const
1308 {
1309     wxGridCellChoiceEditor *editor = new wxGridCellChoiceEditor;
1310     editor->m_allowOthers = m_allowOthers;
1311     editor->m_choices = m_choices;
1312
1313     return editor;
1314 }
1315
1316 void wxGridCellChoiceEditor::Create(wxWindow* parent,
1317                                     wxWindowID id,
1318                                     wxEvtHandler* evtHandler)
1319 {
1320     size_t count = m_choices.GetCount();
1321     wxString *choices = new wxString[count];
1322     for ( size_t n = 0; n < count; n++ )
1323     {
1324         choices[n] = m_choices[n];
1325     }
1326
1327     m_control = new wxComboBox(parent, id, wxEmptyString,
1328                                wxDefaultPosition, wxDefaultSize,
1329                                count, choices,
1330                                m_allowOthers ? 0 : wxCB_READONLY);
1331
1332     delete [] choices;
1333
1334     wxGridCellEditor::Create(parent, id, evtHandler);
1335 }
1336
1337 void wxGridCellChoiceEditor::PaintBackground(const wxRect& rectCell,
1338                                              wxGridCellAttr * attr)
1339 {
1340     // as we fill the entire client area, don't do anything here to minimize
1341     // flicker
1342
1343     // TODO: It doesn't actually fill the client area since the height of a
1344     // combo always defaults to the standard...  Until someone has time to
1345     // figure out the right rectangle to paint, just do it the normal way...
1346     wxGridCellEditor::PaintBackground(rectCell, attr);
1347 }
1348
1349 void wxGridCellChoiceEditor::BeginEdit(int row, int col, wxGrid* grid)
1350 {
1351     wxASSERT_MSG(m_control,
1352                  wxT("The wxGridCellEditor must be Created first!"));
1353
1354     m_startValue = grid->GetTable()->GetValue(row, col);
1355
1356     Combo()->SetValue(m_startValue);
1357     size_t count = m_choices.GetCount();
1358     for (size_t i=0; i<count; i++)
1359     {
1360         if (m_startValue == m_choices[i])
1361         {
1362             Combo()->SetSelection(i);
1363             break;
1364         }
1365     }
1366     Combo()->SetInsertionPointEnd();
1367     Combo()->SetFocus();
1368 }
1369
1370 bool wxGridCellChoiceEditor::EndEdit(int row, int col,
1371                                      wxGrid* grid)
1372 {
1373     wxString value = Combo()->GetValue();
1374     bool changed = value != m_startValue;
1375
1376     if ( changed )
1377         grid->GetTable()->SetValue(row, col, value);
1378
1379     m_startValue = wxEmptyString;
1380     Combo()->SetValue(m_startValue);
1381
1382     return changed;
1383 }
1384
1385 void wxGridCellChoiceEditor::Reset()
1386 {
1387     Combo()->SetValue(m_startValue);
1388     Combo()->SetInsertionPointEnd();
1389 }
1390
1391 void wxGridCellChoiceEditor::SetParameters(const wxString& params)
1392 {
1393     if ( !params )
1394     {
1395         // what can we do?
1396         return;
1397     }
1398
1399     m_choices.Empty();
1400
1401     wxStringTokenizer tk(params, _T(','));
1402     while ( tk.HasMoreTokens() )
1403     {
1404         m_choices.Add(tk.GetNextToken());
1405     }
1406 }
1407
1408 #endif // wxUSE_COMBOBOX
1409
1410 // ----------------------------------------------------------------------------
1411 // wxGridCellEditorEvtHandler
1412 // ----------------------------------------------------------------------------
1413
1414 void wxGridCellEditorEvtHandler::OnKeyDown(wxKeyEvent& event)
1415 {
1416     switch ( event.KeyCode() )
1417     {
1418         case WXK_ESCAPE:
1419             m_editor->Reset();
1420             m_grid->DisableCellEditControl();
1421             break;
1422
1423         case WXK_TAB:
1424             m_grid->GetEventHandler()->ProcessEvent( event );
1425             break;
1426
1427         case WXK_RETURN:
1428         case WXK_NUMPAD_ENTER:
1429             if (!m_grid->GetEventHandler()->ProcessEvent(event))
1430                 m_editor->HandleReturn(event);
1431             break;
1432
1433
1434         default:
1435             event.Skip();
1436     }
1437 }
1438
1439 void wxGridCellEditorEvtHandler::OnChar(wxKeyEvent& event)
1440 {
1441     switch ( event.KeyCode() )
1442     {
1443         case WXK_ESCAPE:
1444         case WXK_TAB:
1445         case WXK_RETURN:
1446         case WXK_NUMPAD_ENTER:
1447             break;
1448
1449         default:
1450             event.Skip();
1451     }
1452 }
1453
1454 // ----------------------------------------------------------------------------
1455 // wxGridCellWorker is an (almost) empty common base class for
1456 // wxGridCellRenderer and wxGridCellEditor managing ref counting
1457 // ----------------------------------------------------------------------------
1458
1459 void wxGridCellWorker::SetParameters(const wxString& WXUNUSED(params))
1460 {
1461     // nothing to do
1462 }
1463
1464 wxGridCellWorker::~wxGridCellWorker()
1465 {
1466 }
1467
1468 // ============================================================================
1469 // renderer classes
1470 // ============================================================================
1471
1472 // ----------------------------------------------------------------------------
1473 // wxGridCellRenderer
1474 // ----------------------------------------------------------------------------
1475
1476 void wxGridCellRenderer::Draw(wxGrid& grid,
1477                               wxGridCellAttr& attr,
1478                               wxDC& dc,
1479                               const wxRect& rect,
1480                               int WXUNUSED(row), int WXUNUSED(col),
1481                               bool isSelected)
1482 {
1483     dc.SetBackgroundMode( wxSOLID );
1484
1485     if ( isSelected )
1486     {
1487         dc.SetBrush( wxBrush(grid.GetSelectionBackground(), wxSOLID) );
1488     }
1489     else
1490     {
1491         dc.SetBrush( wxBrush(attr.GetBackgroundColour(), wxSOLID) );
1492     }
1493
1494     dc.SetPen( *wxTRANSPARENT_PEN );
1495     dc.DrawRectangle(rect);
1496 }
1497
1498 // ----------------------------------------------------------------------------
1499 // wxGridCellStringRenderer
1500 // ----------------------------------------------------------------------------
1501
1502 void wxGridCellStringRenderer::SetTextColoursAndFont(wxGrid& grid,
1503                                                      wxGridCellAttr& attr,
1504                                                      wxDC& dc,
1505                                                      bool isSelected)
1506 {
1507     dc.SetBackgroundMode( wxTRANSPARENT );
1508
1509     // TODO some special colours for attr.IsReadOnly() case?
1510
1511     if ( isSelected )
1512     {
1513         dc.SetTextBackground( grid.GetSelectionBackground() );
1514         dc.SetTextForeground( grid.GetSelectionForeground() );
1515     }
1516     else
1517     {
1518         dc.SetTextBackground( attr.GetBackgroundColour() );
1519         dc.SetTextForeground( attr.GetTextColour() );
1520     }
1521
1522     dc.SetFont( attr.GetFont() );
1523 }
1524
1525 wxSize wxGridCellStringRenderer::DoGetBestSize(wxGridCellAttr& attr,
1526                                                wxDC& dc,
1527                                                const wxString& text)
1528 {
1529     wxCoord x = 0, y = 0, max_x = 0;
1530     dc.SetFont(attr.GetFont());
1531     wxStringTokenizer tk(text, _T('\n'));
1532     while ( tk.HasMoreTokens() )
1533     {
1534         dc.GetTextExtent(tk.GetNextToken(), &x, &y);
1535         max_x = wxMax(max_x, x);
1536     }
1537
1538     y *= 1 + text.Freq(wxT('\n')); // multiply by the number of lines.
1539
1540     return wxSize(max_x, y);
1541 }
1542
1543 wxSize wxGridCellStringRenderer::GetBestSize(wxGrid& grid,
1544                                              wxGridCellAttr& attr,
1545                                              wxDC& dc,
1546                                              int row, int col)
1547 {
1548     return DoGetBestSize(attr, dc, grid.GetCellValue(row, col));
1549 }
1550
1551 void wxGridCellStringRenderer::Draw(wxGrid& grid,
1552                                     wxGridCellAttr& attr,
1553                                     wxDC& dc,
1554                                     const wxRect& rectCell,
1555                                     int row, int col,
1556                                     bool isSelected)
1557 {
1558     wxRect rect = rectCell;
1559
1560     if (attr.GetOverflow())
1561     {
1562         int cols = grid.GetNumberCols();
1563         int best_width = GetBestSize(grid,attr,dc,row,col).GetWidth();
1564         int cell_rows, cell_cols;
1565         attr.GetSize( &cell_rows, &cell_cols ); // shouldn't get here if <=0
1566         if ((best_width > rectCell.width) && (col < cols) && grid.GetTable())
1567         {
1568             int i, c_cols, c_rows;
1569             for (i = col+cell_cols; i < cols; i++)
1570             {
1571                 // check w/ anchor cell for multicell block
1572                 grid.GetCellSize(row, i, &c_rows, &c_cols);
1573                 if (c_rows > 0) c_rows = 0;
1574                 if (grid.GetTable()->IsEmptyCell(row+c_rows, i))
1575                 {
1576                     rect.width += grid.GetColSize(i);
1577                     if (rect.width >= best_width) break;
1578                 }
1579                 else break;
1580             }
1581         }
1582     }
1583
1584     // erase only this cells background, overflow cells should have been erased
1585     wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
1586
1587     // now we only have to draw the text
1588     SetTextColoursAndFont(grid, attr, dc, isSelected);
1589
1590     int hAlign, vAlign;
1591     attr.GetAlignment(&hAlign, &vAlign);
1592
1593     rect.Inflate(-1);
1594
1595     grid.DrawTextRectangle(dc, grid.GetCellValue(row, col),
1596                            rect, hAlign, vAlign);
1597 }
1598
1599 // ----------------------------------------------------------------------------
1600 // wxGridCellNumberRenderer
1601 // ----------------------------------------------------------------------------
1602
1603 wxString wxGridCellNumberRenderer::GetString(wxGrid& grid, int row, int col)
1604 {
1605     wxGridTableBase *table = grid.GetTable();
1606     wxString text;
1607     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_NUMBER) )
1608     {
1609         text.Printf(_T("%ld"), table->GetValueAsLong(row, col));
1610     }
1611     else
1612     {
1613         text = table->GetValue(row, col);
1614     }
1615
1616     return text;
1617 }
1618
1619 void wxGridCellNumberRenderer::Draw(wxGrid& grid,
1620                                     wxGridCellAttr& attr,
1621                                     wxDC& dc,
1622                                     const wxRect& rectCell,
1623                                     int row, int col,
1624                                     bool isSelected)
1625 {
1626     wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
1627
1628     SetTextColoursAndFont(grid, attr, dc, isSelected);
1629
1630     // draw the text right aligned by default
1631     int hAlign, vAlign;
1632     attr.GetAlignment(&hAlign, &vAlign);
1633     hAlign = wxALIGN_RIGHT;
1634
1635     wxRect rect = rectCell;
1636     rect.Inflate(-1);
1637
1638     grid.DrawTextRectangle(dc, GetString(grid, row, col), rect, hAlign, vAlign);
1639 }
1640
1641 wxSize wxGridCellNumberRenderer::GetBestSize(wxGrid& grid,
1642                                              wxGridCellAttr& attr,
1643                                              wxDC& dc,
1644                                              int row, int col)
1645 {
1646     return DoGetBestSize(attr, dc, GetString(grid, row, col));
1647 }
1648
1649 // ----------------------------------------------------------------------------
1650 // wxGridCellFloatRenderer
1651 // ----------------------------------------------------------------------------
1652
1653 wxGridCellFloatRenderer::wxGridCellFloatRenderer(int width, int precision)
1654 {
1655     SetWidth(width);
1656     SetPrecision(precision);
1657 }
1658
1659 wxGridCellRenderer *wxGridCellFloatRenderer::Clone() const
1660 {
1661     wxGridCellFloatRenderer *renderer = new wxGridCellFloatRenderer;
1662     renderer->m_width = m_width;
1663     renderer->m_precision = m_precision;
1664     renderer->m_format = m_format;
1665
1666     return renderer;
1667 }
1668
1669 wxString wxGridCellFloatRenderer::GetString(wxGrid& grid, int row, int col)
1670 {
1671     wxGridTableBase *table = grid.GetTable();
1672
1673     bool hasDouble;
1674     double val;
1675     wxString text;
1676     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_FLOAT) )
1677     {
1678         val = table->GetValueAsDouble(row, col);
1679         hasDouble = TRUE;
1680     }
1681     else
1682     {
1683         text = table->GetValue(row, col);
1684         hasDouble = text.ToDouble(&val);
1685     }
1686
1687     if ( hasDouble )
1688     {
1689         if ( !m_format )
1690         {
1691             if ( m_width == -1 )
1692             {
1693                 if ( m_precision == -1 )
1694                 {
1695                 // default width/precision
1696                 m_format = _T("%f");
1697             }
1698                 else
1699                 {
1700                     m_format.Printf(_T("%%.%df"), m_precision);
1701                 }
1702             }
1703             else if ( m_precision == -1 )
1704             {
1705                 // default precision
1706                 m_format.Printf(_T("%%%d.f"), m_width);
1707             }
1708             else
1709             {
1710                 m_format.Printf(_T("%%%d.%df"), m_width, m_precision);
1711             }
1712         }
1713
1714         text.Printf(m_format, val);
1715
1716     }
1717     //else: text already contains the string
1718
1719     return text;
1720 }
1721
1722 void wxGridCellFloatRenderer::Draw(wxGrid& grid,
1723                                    wxGridCellAttr& attr,
1724                                    wxDC& dc,
1725                                    const wxRect& rectCell,
1726                                    int row, int col,
1727                                    bool isSelected)
1728 {
1729     wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
1730
1731     SetTextColoursAndFont(grid, attr, dc, isSelected);
1732
1733     // draw the text right aligned by default
1734     int hAlign, vAlign;
1735     attr.GetAlignment(&hAlign, &vAlign);
1736     hAlign = wxALIGN_RIGHT;
1737
1738     wxRect rect = rectCell;
1739     rect.Inflate(-1);
1740
1741     grid.DrawTextRectangle(dc, GetString(grid, row, col), rect, hAlign, vAlign);
1742 }
1743
1744 wxSize wxGridCellFloatRenderer::GetBestSize(wxGrid& grid,
1745                                             wxGridCellAttr& attr,
1746                                             wxDC& dc,
1747                                             int row, int col)
1748 {
1749     return DoGetBestSize(attr, dc, GetString(grid, row, col));
1750 }
1751
1752 void wxGridCellFloatRenderer::SetParameters(const wxString& params)
1753 {
1754     if ( !params )
1755     {
1756         // reset to defaults
1757         SetWidth(-1);
1758         SetPrecision(-1);
1759     }
1760     else
1761     {
1762         wxString tmp = params.BeforeFirst(_T(','));
1763         if ( !!tmp )
1764         {
1765             long width;
1766             if ( tmp.ToLong(&width) )
1767             {
1768                 SetWidth((int)width);
1769             }
1770             else
1771             {
1772                 wxLogDebug(_T("Invalid wxGridCellFloatRenderer width parameter string '%s ignored"), params.c_str());
1773             }
1774
1775         }
1776                 tmp = params.AfterFirst(_T(','));
1777                 if ( !!tmp )
1778                 {
1779                     long precision;
1780             if ( tmp.ToLong(&precision) )
1781                     {
1782                 SetPrecision((int)precision);
1783                     }
1784                     else
1785                     {
1786                 wxLogDebug(_T("Invalid wxGridCellFloatRenderer precision parameter string '%s ignored"), params.c_str());
1787         }
1788
1789         }
1790     }
1791 }
1792
1793
1794 // ----------------------------------------------------------------------------
1795 // wxGridCellBoolRenderer
1796 // ----------------------------------------------------------------------------
1797
1798 wxSize wxGridCellBoolRenderer::ms_sizeCheckMark;
1799
1800 // FIXME these checkbox size calculations are really ugly...
1801
1802 // between checkmark and box
1803 static const wxCoord wxGRID_CHECKMARK_MARGIN = 2;
1804
1805 wxSize wxGridCellBoolRenderer::GetBestSize(wxGrid& grid,
1806                                            wxGridCellAttr& WXUNUSED(attr),
1807                                            wxDC& WXUNUSED(dc),
1808                                            int WXUNUSED(row),
1809                                            int WXUNUSED(col))
1810 {
1811     // compute it only once (no locks for MT safeness in GUI thread...)
1812     if ( !ms_sizeCheckMark.x )
1813     {
1814         // get checkbox size
1815         wxCoord checkSize = 0;
1816         wxCheckBox *checkbox = new wxCheckBox(&grid, -1, wxEmptyString);
1817         wxSize size = checkbox->GetBestSize();
1818         checkSize = size.y + 2*wxGRID_CHECKMARK_MARGIN;
1819
1820         // FIXME wxGTK::wxCheckBox::GetBestSize() gives "wrong" result
1821 #if defined(__WXGTK__) || defined(__WXMOTIF__)
1822         checkSize -= size.y / 2;
1823 #endif
1824
1825         delete checkbox;
1826
1827         ms_sizeCheckMark.x = ms_sizeCheckMark.y = checkSize;
1828     }
1829
1830     return ms_sizeCheckMark;
1831 }
1832
1833 void wxGridCellBoolRenderer::Draw(wxGrid& grid,
1834                                   wxGridCellAttr& attr,
1835                                   wxDC& dc,
1836                                   const wxRect& rect,
1837                                   int row, int col,
1838                                   bool isSelected)
1839 {
1840     wxGridCellRenderer::Draw(grid, attr, dc, rect, row, col, isSelected);
1841
1842     // draw a check mark in the centre (ignoring alignment - TODO)
1843     wxSize size = GetBestSize(grid, attr, dc, row, col);
1844
1845     // don't draw outside the cell
1846     wxCoord minSize = wxMin(rect.width, rect.height);
1847     if ( size.x >= minSize || size.y >= minSize )
1848     {
1849         // and even leave (at least) 1 pixel margin
1850         size.x = size.y = minSize - 2;
1851     }
1852
1853     // draw a border around checkmark
1854     wxRect rectBorder;
1855     rectBorder.x = rect.x + rect.width/2 - size.x/2;
1856     rectBorder.y = rect.y + rect.height/2 - size.y/2;
1857     rectBorder.width = size.x;
1858     rectBorder.height = size.y;
1859
1860     bool value;
1861     if ( grid.GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL) )
1862         value = grid.GetTable()->GetValueAsBool(row, col);
1863     else
1864     {
1865         wxString cellval( grid.GetTable()->GetValue(row, col) );
1866         value = !( !cellval || (cellval == wxT("0")) );
1867     }
1868
1869     if ( value )
1870     {
1871         wxRect rectMark = rectBorder;
1872 #ifdef __WXMSW__
1873         // MSW DrawCheckMark() is weird (and should probably be changed...)
1874         rectMark.Inflate(-wxGRID_CHECKMARK_MARGIN/2);
1875         rectMark.x++;
1876         rectMark.y++;
1877 #else // !MSW
1878         rectMark.Inflate(-wxGRID_CHECKMARK_MARGIN);
1879 #endif // MSW/!MSW
1880
1881         dc.SetTextForeground(attr.GetTextColour());
1882         dc.DrawCheckMark(rectMark);
1883     }
1884
1885     dc.SetBrush(*wxTRANSPARENT_BRUSH);
1886     dc.SetPen(wxPen(attr.GetTextColour(), 1, wxSOLID));
1887     dc.DrawRectangle(rectBorder);
1888 }
1889
1890 // ----------------------------------------------------------------------------
1891 // wxGridCellAttr
1892 // ----------------------------------------------------------------------------
1893
1894 void wxGridCellAttr::Init(wxGridCellAttr *attrDefault)
1895 {
1896     m_nRef = 1;
1897
1898     m_isReadOnly = Unset;
1899
1900     m_renderer = NULL;
1901     m_editor = NULL;
1902
1903     m_attrkind = wxGridCellAttr::Cell;
1904
1905     m_sizeRows = m_sizeCols = 1;
1906     m_overflow = TRUE;
1907
1908     SetDefAttr(attrDefault);
1909 }
1910
1911 wxGridCellAttr *wxGridCellAttr::Clone() const
1912 {
1913     wxGridCellAttr *attr = new wxGridCellAttr(m_defGridAttr);
1914
1915     if ( HasTextColour() )
1916         attr->SetTextColour(GetTextColour());
1917     if ( HasBackgroundColour() )
1918         attr->SetBackgroundColour(GetBackgroundColour());
1919     if ( HasFont() )
1920         attr->SetFont(GetFont());
1921     if ( HasAlignment() )
1922         attr->SetAlignment(m_hAlign, m_vAlign);
1923
1924     attr->SetSize( m_sizeRows, m_sizeCols );
1925
1926     if ( m_renderer )
1927     {
1928         attr->SetRenderer(m_renderer);
1929         m_renderer->IncRef();
1930     }
1931     if ( m_editor )
1932     {
1933         attr->SetEditor(m_editor);
1934         m_editor->IncRef();
1935     }
1936
1937     if ( IsReadOnly() )
1938         attr->SetReadOnly();
1939
1940     attr->SetKind( m_attrkind );
1941
1942     return attr;
1943 }
1944
1945 void wxGridCellAttr::MergeWith(wxGridCellAttr *mergefrom)
1946 {
1947     if ( !HasTextColour() && mergefrom->HasTextColour() )
1948         SetTextColour(mergefrom->GetTextColour());
1949     if ( !HasBackgroundColour() && mergefrom->HasBackgroundColour() )
1950         SetBackgroundColour(mergefrom->GetBackgroundColour());
1951     if ( !HasFont() && mergefrom->HasFont() )
1952         SetFont(mergefrom->GetFont());
1953     if ( !HasAlignment() && mergefrom->HasAlignment() ){
1954         int hAlign, vAlign;
1955         mergefrom->GetAlignment( &hAlign, &vAlign);
1956         SetAlignment(hAlign, vAlign);
1957     }
1958
1959     mergefrom->GetSize( &m_sizeRows, &m_sizeCols );
1960
1961     // Directly access member functions as GetRender/Editor don't just return
1962     // m_renderer/m_editor
1963     //
1964     // Maybe add support for merge of Render and Editor?
1965     if (!HasRenderer() && mergefrom->HasRenderer() )
1966     {
1967         m_renderer = mergefrom->m_renderer;
1968         m_renderer->IncRef();
1969     }
1970     if ( !HasEditor() && mergefrom->HasEditor() )
1971     {
1972         m_editor =  mergefrom->m_editor;
1973         m_editor->IncRef();
1974     }
1975     if ( !HasReadWriteMode()  && mergefrom->HasReadWriteMode() )
1976         SetReadOnly(mergefrom->IsReadOnly());
1977
1978     SetDefAttr(mergefrom->m_defGridAttr);
1979 }
1980
1981 void wxGridCellAttr::SetSize(int num_rows, int num_cols)
1982 {
1983     // The size of a cell is normally 1,1
1984
1985     // If this cell is larger (2,2) then this is the top left cell
1986     // the other cells that will be covered (lower right cells) must be
1987     // set to negative or zero values such that
1988     // row + num_rows of the covered cell points to the larger cell (this cell)
1989     // same goes for the col + num_cols.
1990
1991     // Size of 0,0 is NOT valid, neither is <=0 and any positive value
1992
1993     wxASSERT_MSG( (!((num_rows>0)&&(num_cols<=0)) ||
1994                   !((num_rows<=0)&&(num_cols>0)) ||
1995                   !((num_rows==0)&&(num_cols==0))),
1996                   wxT("wxGridCellAttr::SetSize only takes two postive values or negative/zero values"));
1997
1998     m_sizeRows = num_rows;
1999     m_sizeCols = num_cols;
2000 }
2001
2002 const wxColour& wxGridCellAttr::GetTextColour() const
2003 {
2004     if (HasTextColour())
2005     {
2006         return m_colText;
2007     }
2008     else if (m_defGridAttr && m_defGridAttr != this)
2009     {
2010         return m_defGridAttr->GetTextColour();
2011     }
2012     else
2013     {
2014         wxFAIL_MSG(wxT("Missing default cell attribute"));
2015         return wxNullColour;
2016     }
2017 }
2018
2019
2020 const wxColour& wxGridCellAttr::GetBackgroundColour() const
2021 {
2022     if (HasBackgroundColour())
2023         return m_colBack;
2024     else if (m_defGridAttr && m_defGridAttr != this)
2025         return m_defGridAttr->GetBackgroundColour();
2026     else
2027     {
2028         wxFAIL_MSG(wxT("Missing default cell attribute"));
2029         return wxNullColour;
2030     }
2031 }
2032
2033
2034 const wxFont& wxGridCellAttr::GetFont() const
2035 {
2036     if (HasFont())
2037         return m_font;
2038     else if (m_defGridAttr && m_defGridAttr != this)
2039         return m_defGridAttr->GetFont();
2040     else
2041     {
2042         wxFAIL_MSG(wxT("Missing default cell attribute"));
2043         return wxNullFont;
2044     }
2045 }
2046
2047
2048 void wxGridCellAttr::GetAlignment(int *hAlign, int *vAlign) const
2049 {
2050     if (HasAlignment())
2051     {
2052         if ( hAlign ) *hAlign = m_hAlign;
2053         if ( vAlign ) *vAlign = m_vAlign;
2054     }
2055     else if (m_defGridAttr && m_defGridAttr != this)
2056         m_defGridAttr->GetAlignment(hAlign, vAlign);
2057     else
2058     {
2059         wxFAIL_MSG(wxT("Missing default cell attribute"));
2060     }
2061 }
2062
2063 void wxGridCellAttr::GetSize( int *num_rows, int *num_cols ) const
2064 {
2065     if ( num_rows ) *num_rows = m_sizeRows;
2066     if ( num_cols ) *num_cols = m_sizeCols;
2067 }
2068
2069 // GetRenderer and GetEditor use a slightly different decision path about
2070 // which attribute to use.  If a non-default attr object has one then it is
2071 // used, otherwise the default editor or renderer is fetched from the grid and
2072 // used.  It should be the default for the data type of the cell.  If it is
2073 // NULL (because the table has a type that the grid does not have in its
2074 // registry,) then the grid's default editor or renderer is used.
2075
2076 wxGridCellRenderer* wxGridCellAttr::GetRenderer(wxGrid* grid, int row, int col) const
2077 {
2078     wxGridCellRenderer *renderer;
2079
2080     if ( m_renderer && this != m_defGridAttr )
2081     {
2082         // use the cells renderer if it has one
2083         renderer = m_renderer;
2084         renderer->IncRef();
2085     }
2086     else // no non default cell renderer
2087     {
2088         // get default renderer for the data type
2089         if ( grid )
2090         {
2091             // GetDefaultRendererForCell() will do IncRef() for us
2092             renderer = grid->GetDefaultRendererForCell(row, col);
2093         }
2094         else
2095         {
2096             renderer = NULL;
2097         }
2098
2099         if ( !renderer )
2100         {
2101             if (m_defGridAttr &&  this != m_defGridAttr )
2102             {
2103                 // if we still don't have one then use the grid default
2104                 // (no need for IncRef() here neither)
2105                 renderer = m_defGridAttr->GetRenderer(NULL, 0, 0);
2106             }
2107             else // default grid attr
2108             {
2109                 // use m_renderer which we had decided not to use initially
2110                 renderer = m_renderer;
2111                 if ( renderer )
2112                     renderer->IncRef();
2113             }
2114         }
2115     }
2116
2117     // we're supposed to always find something
2118     wxASSERT_MSG(renderer, wxT("Missing default cell renderer"));
2119
2120     return renderer;
2121 }
2122
2123 // same as above, except for s/renderer/editor/g
2124 wxGridCellEditor* wxGridCellAttr::GetEditor(wxGrid* grid, int row, int col) const
2125 {
2126     wxGridCellEditor *editor;
2127
2128     if ( m_editor && this != m_defGridAttr )
2129     {
2130         // use the cells editor if it has one
2131         editor = m_editor;
2132         editor->IncRef();
2133     }
2134     else // no non default cell editor
2135     {
2136         // get default editor for the data type
2137         if ( grid )
2138         {
2139             // GetDefaultEditorForCell() will do IncRef() for us
2140             editor = grid->GetDefaultEditorForCell(row, col);
2141         }
2142         else
2143         {
2144             editor = NULL;
2145         }
2146
2147         if ( !editor )
2148         {
2149             if ( m_defGridAttr && this != m_defGridAttr )
2150             {
2151                 // if we still don't have one then use the grid default
2152                 // (no need for IncRef() here neither)
2153                 editor = m_defGridAttr->GetEditor(NULL, 0, 0);
2154             }
2155             else // default grid attr
2156             {
2157                 // use m_editor which we had decided not to use initially
2158                 editor = m_editor;
2159                 if ( editor )
2160                     editor->IncRef();
2161             }
2162         }
2163     }
2164
2165     // we're supposed to always find something
2166     wxASSERT_MSG(editor, wxT("Missing default cell editor"));
2167
2168     return editor;
2169 }
2170
2171 // ----------------------------------------------------------------------------
2172 // wxGridCellAttrData
2173 // ----------------------------------------------------------------------------
2174
2175 void wxGridCellAttrData::SetAttr(wxGridCellAttr *attr, int row, int col)
2176 {
2177     int n = FindIndex(row, col);
2178     if ( n == wxNOT_FOUND )
2179     {
2180         // add the attribute
2181         m_attrs.Add(new wxGridCellWithAttr(row, col, attr));
2182     }
2183     else
2184     {
2185         // free the old attribute
2186         m_attrs[(size_t)n].attr->DecRef();
2187
2188         if ( attr )
2189         {
2190             // change the attribute
2191             m_attrs[(size_t)n].attr = attr;
2192         }
2193         else
2194         {
2195             // remove this attribute
2196             m_attrs.RemoveAt((size_t)n);
2197         }
2198     }
2199 }
2200
2201 wxGridCellAttr *wxGridCellAttrData::GetAttr(int row, int col) const
2202 {
2203     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
2204
2205     int n = FindIndex(row, col);
2206     if ( n != wxNOT_FOUND )
2207     {
2208         attr = m_attrs[(size_t)n].attr;
2209         attr->IncRef();
2210     }
2211
2212     return attr;
2213 }
2214
2215 void wxGridCellAttrData::UpdateAttrRows( size_t pos, int numRows )
2216 {
2217     size_t count = m_attrs.GetCount();
2218     for ( size_t n = 0; n < count; n++ )
2219     {
2220         wxGridCellCoords& coords = m_attrs[n].coords;
2221         wxCoord row = coords.GetRow();
2222         if ((size_t)row >= pos)
2223         {
2224             if (numRows > 0)
2225             {
2226                 // If rows inserted, include row counter where necessary
2227                 coords.SetRow(row + numRows);
2228             }
2229             else if (numRows < 0)
2230             {
2231                 // If rows deleted ...
2232                 if ((size_t)row >= pos - numRows)
2233                 {
2234                     // ...either decrement row counter (if row still exists)...
2235                     coords.SetRow(row + numRows);
2236                 }
2237                 else
2238                 {
2239                     // ...or remove the attribute
2240                     m_attrs.RemoveAt((size_t)n);
2241                     n--; count--;
2242                 }
2243             }
2244         }
2245     }
2246 }
2247
2248 void wxGridCellAttrData::UpdateAttrCols( size_t pos, int numCols )
2249 {
2250     size_t count = m_attrs.GetCount();
2251     for ( size_t n = 0; n < count; n++ )
2252     {
2253         wxGridCellCoords& coords = m_attrs[n].coords;
2254         wxCoord col = coords.GetCol();
2255         if ( (size_t)col >= pos )
2256         {
2257             if ( numCols > 0 )
2258             {
2259                 // If rows inserted, include row counter where necessary
2260                 coords.SetCol(col + numCols);
2261             }
2262             else if (numCols < 0)
2263             {
2264                 // If rows deleted ...
2265                 if ((size_t)col >= pos - numCols)
2266                 {
2267                     // ...either decrement row counter (if row still exists)...
2268                     coords.SetCol(col + numCols);
2269                 }
2270                 else
2271                 {
2272                     // ...or remove the attribute
2273                     m_attrs.RemoveAt((size_t)n);
2274                     n--; count--;
2275                 }
2276             }
2277         }
2278     }
2279 }
2280
2281 int wxGridCellAttrData::FindIndex(int row, int col) const
2282 {
2283     size_t count = m_attrs.GetCount();
2284     for ( size_t n = 0; n < count; n++ )
2285     {
2286         const wxGridCellCoords& coords = m_attrs[n].coords;
2287         if ( (coords.GetRow() == row) && (coords.GetCol() == col) )
2288         {
2289             return n;
2290         }
2291     }
2292
2293     return wxNOT_FOUND;
2294 }
2295
2296 // ----------------------------------------------------------------------------
2297 // wxGridRowOrColAttrData
2298 // ----------------------------------------------------------------------------
2299
2300 wxGridRowOrColAttrData::~wxGridRowOrColAttrData()
2301 {
2302     size_t count = m_attrs.Count();
2303     for ( size_t n = 0; n < count; n++ )
2304     {
2305         m_attrs[n]->DecRef();
2306     }
2307 }
2308
2309 wxGridCellAttr *wxGridRowOrColAttrData::GetAttr(int rowOrCol) const
2310 {
2311     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
2312
2313     int n = m_rowsOrCols.Index(rowOrCol);
2314     if ( n != wxNOT_FOUND )
2315     {
2316         attr = m_attrs[(size_t)n];
2317         attr->IncRef();
2318     }
2319
2320     return attr;
2321 }
2322
2323 void wxGridRowOrColAttrData::SetAttr(wxGridCellAttr *attr, int rowOrCol)
2324 {
2325     int i = m_rowsOrCols.Index(rowOrCol);
2326     if ( i == wxNOT_FOUND )
2327     {
2328         // add the attribute
2329         m_rowsOrCols.Add(rowOrCol);
2330         m_attrs.Add(attr);
2331     }
2332     else
2333     {
2334         size_t n = (size_t)i;
2335         if ( attr )
2336         {
2337             // change the attribute
2338             m_attrs[n]->DecRef();
2339             m_attrs[n] = attr;
2340         }
2341         else
2342         {
2343             // remove this attribute
2344             m_attrs[n]->DecRef();
2345             m_rowsOrCols.RemoveAt(n);
2346             m_attrs.RemoveAt(n);
2347         }
2348     }
2349 }
2350
2351 void wxGridRowOrColAttrData::UpdateAttrRowsOrCols( size_t pos, int numRowsOrCols )
2352 {
2353     size_t count = m_attrs.GetCount();
2354     for ( size_t n = 0; n < count; n++ )
2355     {
2356         int & rowOrCol = m_rowsOrCols[n];
2357         if ( (size_t)rowOrCol >= pos )
2358         {
2359             if ( numRowsOrCols > 0 )
2360             {
2361                 // If rows inserted, include row counter where necessary
2362                 rowOrCol += numRowsOrCols;
2363             }
2364             else if ( numRowsOrCols < 0)
2365             {
2366                 // If rows deleted, either decrement row counter (if row still exists)
2367                 if ((size_t)rowOrCol >= pos - numRowsOrCols)
2368                     rowOrCol += numRowsOrCols;
2369                 else
2370                 {
2371                     m_rowsOrCols.RemoveAt((size_t)n);
2372                     m_attrs.RemoveAt((size_t)n);
2373                     n--; count--;
2374                 }
2375             }
2376         }
2377     }
2378 }
2379
2380 // ----------------------------------------------------------------------------
2381 // wxGridCellAttrProvider
2382 // ----------------------------------------------------------------------------
2383
2384 wxGridCellAttrProvider::wxGridCellAttrProvider()
2385 {
2386     m_data = (wxGridCellAttrProviderData *)NULL;
2387 }
2388
2389 wxGridCellAttrProvider::~wxGridCellAttrProvider()
2390 {
2391     delete m_data;
2392 }
2393
2394 void wxGridCellAttrProvider::InitData()
2395 {
2396     m_data = new wxGridCellAttrProviderData;
2397 }
2398
2399 wxGridCellAttr *wxGridCellAttrProvider::GetAttr(int row, int col,
2400                                                 wxGridCellAttr::wxAttrKind  kind ) const
2401 {
2402     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
2403     if ( m_data )
2404     {
2405         switch(kind)
2406         {
2407             case (wxGridCellAttr::Any):
2408                 //Get cached merge attributes.
2409                 // Currenlty not used as no cache implemented as not mutiable
2410                 // attr = m_data->m_mergeAttr.GetAttr(row, col);
2411                 if(!attr)
2412                 {
2413                     //Basicaly implement old version.
2414                     //Also check merge cache, so we don't have to re-merge every time..
2415                     wxGridCellAttr *attrcell = (wxGridCellAttr *)NULL,
2416                                    *attrrow = (wxGridCellAttr *)NULL,
2417                                    *attrcol = (wxGridCellAttr *)NULL;
2418
2419                     attrcell = m_data->m_cellAttrs.GetAttr(row, col);
2420                     attrcol = m_data->m_colAttrs.GetAttr(col);
2421                     attrrow = m_data->m_rowAttrs.GetAttr(row);
2422
2423                     if((attrcell != attrrow) && (attrrow !=attrcol) && (attrcell != attrcol)){
2424                         // Two or move are non NULL
2425                         attr = new wxGridCellAttr;
2426                         attr->SetKind(wxGridCellAttr::Merged);
2427
2428                         //Order important..
2429                         if(attrcell){
2430                             attr->MergeWith(attrcell);
2431                             attrcell->DecRef();
2432                         }
2433                         if(attrcol){
2434                             attr->MergeWith(attrcol);
2435                             attrcol->DecRef();
2436                         }
2437                         if(attrrow){
2438                             attr->MergeWith(attrrow);
2439                             attrrow->DecRef();
2440                         }
2441                         //store merge attr if cache implemented
2442                         //attr->IncRef();
2443                         //m_data->m_mergeAttr.SetAttr(attr, row, col);
2444                     }
2445                     else
2446         {
2447                         // one or none is non null return it or null.
2448                         if(attrrow) attr = attrrow;
2449                         if(attrcol) attr = attrcol;
2450                         if(attrcell) attr = attrcell;
2451                     }
2452                 }
2453             break;
2454             case (wxGridCellAttr::Cell):
2455                 attr = m_data->m_cellAttrs.GetAttr(row, col);
2456             break;
2457             case (wxGridCellAttr::Col):
2458                  attr = m_data->m_colAttrs.GetAttr(col);
2459             break;
2460             case (wxGridCellAttr::Row):
2461             attr = m_data->m_rowAttrs.GetAttr(row);
2462             break;
2463             default:
2464                 // unused as yet...
2465                 // (wxGridCellAttr::Default):
2466                 // (wxGridCellAttr::Merged):
2467             break;
2468         }
2469     }
2470     return attr;
2471 }
2472
2473 void wxGridCellAttrProvider::SetAttr(wxGridCellAttr *attr,
2474                                      int row, int col)
2475 {
2476     if ( !m_data )
2477         InitData();
2478
2479     m_data->m_cellAttrs.SetAttr(attr, row, col);
2480 }
2481
2482 void wxGridCellAttrProvider::SetRowAttr(wxGridCellAttr *attr, int row)
2483 {
2484     if ( !m_data )
2485         InitData();
2486
2487     m_data->m_rowAttrs.SetAttr(attr, row);
2488 }
2489
2490 void wxGridCellAttrProvider::SetColAttr(wxGridCellAttr *attr, int col)
2491 {
2492     if ( !m_data )
2493         InitData();
2494
2495     m_data->m_colAttrs.SetAttr(attr, col);
2496 }
2497
2498 void wxGridCellAttrProvider::UpdateAttrRows( size_t pos, int numRows )
2499 {
2500     if ( m_data )
2501     {
2502         m_data->m_cellAttrs.UpdateAttrRows( pos, numRows );
2503
2504         m_data->m_rowAttrs.UpdateAttrRowsOrCols( pos, numRows );
2505     }
2506 }
2507
2508 void wxGridCellAttrProvider::UpdateAttrCols( size_t pos, int numCols )
2509 {
2510     if ( m_data )
2511     {
2512         m_data->m_cellAttrs.UpdateAttrCols( pos, numCols );
2513
2514         m_data->m_colAttrs.UpdateAttrRowsOrCols( pos, numCols );
2515     }
2516 }
2517
2518 // ----------------------------------------------------------------------------
2519 // wxGridTypeRegistry
2520 // ----------------------------------------------------------------------------
2521
2522 wxGridTypeRegistry::~wxGridTypeRegistry()
2523 {
2524     size_t count = m_typeinfo.Count();
2525     for ( size_t i = 0; i < count; i++ )
2526         delete m_typeinfo[i];
2527 }
2528
2529
2530 void wxGridTypeRegistry::RegisterDataType(const wxString& typeName,
2531                                           wxGridCellRenderer* renderer,
2532                                           wxGridCellEditor* editor)
2533 {
2534     wxGridDataTypeInfo* info = new wxGridDataTypeInfo(typeName, renderer, editor);
2535
2536     // is it already registered?
2537     int loc = FindRegisteredDataType(typeName);
2538     if ( loc != wxNOT_FOUND )
2539     {
2540         delete m_typeinfo[loc];
2541         m_typeinfo[loc] = info;
2542     }
2543     else
2544     {
2545         m_typeinfo.Add(info);
2546     }
2547 }
2548
2549 int wxGridTypeRegistry::FindRegisteredDataType(const wxString& typeName)
2550 {
2551     size_t count = m_typeinfo.GetCount();
2552     for ( size_t i = 0; i < count; i++ )
2553     {
2554         if ( typeName == m_typeinfo[i]->m_typeName )
2555         {
2556             return i;
2557         }
2558     }
2559
2560     return wxNOT_FOUND;
2561 }
2562
2563 int wxGridTypeRegistry::FindDataType(const wxString& typeName)
2564 {
2565     int index = FindRegisteredDataType(typeName);
2566     if ( index == wxNOT_FOUND )
2567     {
2568         // check whether this is one of the standard ones, in which case
2569         // register it "on the fly"
2570 #if wxUSE_TEXTCTRL
2571         if ( typeName == wxGRID_VALUE_STRING )
2572         {
2573             RegisterDataType(wxGRID_VALUE_STRING,
2574                              new wxGridCellStringRenderer,
2575                              new wxGridCellTextEditor);
2576         } else
2577 #endif // wxUSE_TEXTCTRL
2578 #if wxUSE_CHECKBOX
2579         if ( typeName == wxGRID_VALUE_BOOL )
2580         {
2581             RegisterDataType(wxGRID_VALUE_BOOL,
2582                              new wxGridCellBoolRenderer,
2583                              new wxGridCellBoolEditor);
2584         } else
2585 #endif // wxUSE_CHECKBOX
2586 #if wxUSE_TEXTCTRL
2587         if ( typeName == wxGRID_VALUE_NUMBER )
2588         {
2589             RegisterDataType(wxGRID_VALUE_NUMBER,
2590                              new wxGridCellNumberRenderer,
2591                              new wxGridCellNumberEditor);
2592         }
2593         else if ( typeName == wxGRID_VALUE_FLOAT )
2594         {
2595             RegisterDataType(wxGRID_VALUE_FLOAT,
2596                              new wxGridCellFloatRenderer,
2597                              new wxGridCellFloatEditor);
2598         } else
2599 #endif // wxUSE_TEXTCTRL
2600 #if wxUSE_COMBOBOX
2601         if ( typeName == wxGRID_VALUE_CHOICE )
2602         {
2603             RegisterDataType(wxGRID_VALUE_CHOICE,
2604                              new wxGridCellStringRenderer,
2605                              new wxGridCellChoiceEditor);
2606         } else
2607 #endif // wxUSE_COMBOBOX
2608         {
2609             return wxNOT_FOUND;
2610         }
2611
2612         // we get here only if just added the entry for this type, so return
2613         // the last index
2614         index = m_typeinfo.GetCount() - 1;
2615     }
2616
2617     return index;
2618 }
2619
2620 int wxGridTypeRegistry::FindOrCloneDataType(const wxString& typeName)
2621 {
2622     int index = FindDataType(typeName);
2623     if ( index == wxNOT_FOUND )
2624     {
2625         // the first part of the typename is the "real" type, anything after ':'
2626         // are the parameters for the renderer
2627         index = FindDataType(typeName.BeforeFirst(_T(':')));
2628         if ( index == wxNOT_FOUND )
2629         {
2630             return wxNOT_FOUND;
2631         }
2632
2633         wxGridCellRenderer *renderer = GetRenderer(index);
2634         wxGridCellRenderer *rendererOld = renderer;
2635         renderer = renderer->Clone();
2636         rendererOld->DecRef();
2637
2638         wxGridCellEditor *editor = GetEditor(index);
2639         wxGridCellEditor *editorOld = editor;
2640         editor = editor->Clone();
2641         editorOld->DecRef();
2642
2643         // do it even if there are no parameters to reset them to defaults
2644         wxString params = typeName.AfterFirst(_T(':'));
2645         renderer->SetParameters(params);
2646         editor->SetParameters(params);
2647
2648         // register the new typename
2649         RegisterDataType(typeName, renderer, editor);
2650
2651         // we just registered it, it's the last one
2652         index = m_typeinfo.GetCount() - 1;
2653     }
2654
2655     return index;
2656 }
2657
2658 wxGridCellRenderer* wxGridTypeRegistry::GetRenderer(int index)
2659 {
2660     wxGridCellRenderer* renderer = m_typeinfo[index]->m_renderer;
2661     if (renderer)
2662         renderer->IncRef();
2663     return renderer;
2664 }
2665
2666 wxGridCellEditor* wxGridTypeRegistry::GetEditor(int index)
2667 {
2668     wxGridCellEditor* editor = m_typeinfo[index]->m_editor;
2669     if (editor)
2670         editor->IncRef();
2671     return editor;
2672 }
2673
2674 // ----------------------------------------------------------------------------
2675 // wxGridTableBase
2676 // ----------------------------------------------------------------------------
2677
2678 IMPLEMENT_ABSTRACT_CLASS( wxGridTableBase, wxObject )
2679
2680
2681 wxGridTableBase::wxGridTableBase()
2682 {
2683     m_view = (wxGrid *) NULL;
2684     m_attrProvider = (wxGridCellAttrProvider *) NULL;
2685 }
2686
2687 wxGridTableBase::~wxGridTableBase()
2688 {
2689     delete m_attrProvider;
2690 }
2691
2692 void wxGridTableBase::SetAttrProvider(wxGridCellAttrProvider *attrProvider)
2693 {
2694     delete m_attrProvider;
2695     m_attrProvider = attrProvider;
2696 }
2697
2698 bool wxGridTableBase::CanHaveAttributes()
2699 {
2700     if ( ! GetAttrProvider() )
2701     {
2702         // use the default attr provider by default
2703         SetAttrProvider(new wxGridCellAttrProvider);
2704     }
2705     return TRUE;
2706 }
2707
2708 wxGridCellAttr *wxGridTableBase::GetAttr(int row, int col, wxGridCellAttr::wxAttrKind  kind)
2709 {
2710     if ( m_attrProvider )
2711         return m_attrProvider->GetAttr(row, col, kind);
2712     else
2713         return (wxGridCellAttr *)NULL;
2714 }
2715
2716 void wxGridTableBase::SetAttr(wxGridCellAttr* attr, int row, int col)
2717 {
2718     if ( m_attrProvider )
2719     {
2720         attr->SetKind(wxGridCellAttr::Cell);
2721         m_attrProvider->SetAttr(attr, row, col);
2722     }
2723     else
2724     {
2725         // as we take ownership of the pointer and don't store it, we must
2726         // free it now
2727         wxSafeDecRef(attr);
2728     }
2729 }
2730
2731 void wxGridTableBase::SetRowAttr(wxGridCellAttr *attr, int row)
2732 {
2733     if ( m_attrProvider )
2734     {
2735         attr->SetKind(wxGridCellAttr::Row);
2736         m_attrProvider->SetRowAttr(attr, row);
2737     }
2738     else
2739     {
2740         // as we take ownership of the pointer and don't store it, we must
2741         // free it now
2742         wxSafeDecRef(attr);
2743     }
2744 }
2745
2746 void wxGridTableBase::SetColAttr(wxGridCellAttr *attr, int col)
2747 {
2748     if ( m_attrProvider )
2749     {
2750         attr->SetKind(wxGridCellAttr::Col);
2751         m_attrProvider->SetColAttr(attr, col);
2752     }
2753     else
2754     {
2755         // as we take ownership of the pointer and don't store it, we must
2756         // free it now
2757         wxSafeDecRef(attr);
2758     }
2759 }
2760
2761 bool wxGridTableBase::InsertRows( size_t WXUNUSED(pos),
2762                                   size_t WXUNUSED(numRows) )
2763 {
2764     wxFAIL_MSG( wxT("Called grid table class function InsertRows\nbut your derived table class does not override this function") );
2765
2766     return FALSE;
2767 }
2768
2769 bool wxGridTableBase::AppendRows( size_t WXUNUSED(numRows) )
2770 {
2771     wxFAIL_MSG( wxT("Called grid table class function AppendRows\nbut your derived table class does not override this function"));
2772
2773     return FALSE;
2774 }
2775
2776 bool wxGridTableBase::DeleteRows( size_t WXUNUSED(pos),
2777                                   size_t WXUNUSED(numRows) )
2778 {
2779     wxFAIL_MSG( wxT("Called grid table class function DeleteRows\nbut your derived table class does not override this function"));
2780
2781     return FALSE;
2782 }
2783
2784 bool wxGridTableBase::InsertCols( size_t WXUNUSED(pos),
2785                                   size_t WXUNUSED(numCols) )
2786 {
2787     wxFAIL_MSG( wxT("Called grid table class function InsertCols\nbut your derived table class does not override this function"));
2788
2789     return FALSE;
2790 }
2791
2792 bool wxGridTableBase::AppendCols( size_t WXUNUSED(numCols) )
2793 {
2794     wxFAIL_MSG(wxT("Called grid table class function AppendCols\nbut your derived table class does not override this function"));
2795
2796     return FALSE;
2797 }
2798
2799 bool wxGridTableBase::DeleteCols( size_t WXUNUSED(pos),
2800                                   size_t WXUNUSED(numCols) )
2801 {
2802     wxFAIL_MSG( wxT("Called grid table class function DeleteCols\nbut your derived table class does not override this function"));
2803
2804     return FALSE;
2805 }
2806
2807
2808 wxString wxGridTableBase::GetRowLabelValue( int row )
2809 {
2810     wxString s;
2811     s << row + 1; // RD: Starting the rows at zero confuses users, no matter
2812                   //     how much it makes sense to us geeks.
2813     return s;
2814 }
2815
2816 wxString wxGridTableBase::GetColLabelValue( int col )
2817 {
2818     // default col labels are:
2819     //   cols 0 to 25   : A-Z
2820     //   cols 26 to 675 : AA-ZZ
2821     //   etc.
2822
2823     wxString s;
2824     unsigned int i, n;
2825     for ( n = 1; ; n++ )
2826     {
2827         s += (_T('A') + (wxChar)( col%26 ));
2828         col = col/26 - 1;
2829         if ( col < 0 ) break;
2830     }
2831
2832     // reverse the string...
2833     wxString s2;
2834     for ( i = 0;  i < n;  i++ )
2835     {
2836         s2 += s[n-i-1];
2837     }
2838
2839     return s2;
2840 }
2841
2842
2843 wxString wxGridTableBase::GetTypeName( int WXUNUSED(row), int WXUNUSED(col) )
2844 {
2845     return wxGRID_VALUE_STRING;
2846 }
2847
2848 bool wxGridTableBase::CanGetValueAs( int WXUNUSED(row), int WXUNUSED(col),
2849                                      const wxString& typeName )
2850 {
2851     return typeName == wxGRID_VALUE_STRING;
2852 }
2853
2854 bool wxGridTableBase::CanSetValueAs( int row, int col, const wxString& typeName )
2855 {
2856     return CanGetValueAs(row, col, typeName);
2857 }
2858
2859 long wxGridTableBase::GetValueAsLong( int WXUNUSED(row), int WXUNUSED(col) )
2860 {
2861     return 0;
2862 }
2863
2864 double wxGridTableBase::GetValueAsDouble( int WXUNUSED(row), int WXUNUSED(col) )
2865 {
2866     return 0.0;
2867 }
2868
2869 bool wxGridTableBase::GetValueAsBool( int WXUNUSED(row), int WXUNUSED(col) )
2870 {
2871     return FALSE;
2872 }
2873
2874 void wxGridTableBase::SetValueAsLong( int WXUNUSED(row), int WXUNUSED(col),
2875                                       long WXUNUSED(value) )
2876 {
2877 }
2878
2879 void wxGridTableBase::SetValueAsDouble( int WXUNUSED(row), int WXUNUSED(col),
2880                                         double WXUNUSED(value) )
2881 {
2882 }
2883
2884 void wxGridTableBase::SetValueAsBool( int WXUNUSED(row), int WXUNUSED(col),
2885                                       bool WXUNUSED(value) )
2886 {
2887 }
2888
2889
2890 void* wxGridTableBase::GetValueAsCustom( int WXUNUSED(row), int WXUNUSED(col),
2891                                          const wxString& WXUNUSED(typeName) )
2892 {
2893     return NULL;
2894 }
2895
2896 void  wxGridTableBase::SetValueAsCustom( int WXUNUSED(row), int WXUNUSED(col),
2897                                          const wxString& WXUNUSED(typeName),
2898                                          void* WXUNUSED(value) )
2899 {
2900 }
2901
2902 //////////////////////////////////////////////////////////////////////
2903 //
2904 // Message class for the grid table to send requests and notifications
2905 // to the grid view
2906 //
2907
2908 wxGridTableMessage::wxGridTableMessage()
2909 {
2910     m_table = (wxGridTableBase *) NULL;
2911     m_id = -1;
2912     m_comInt1 = -1;
2913     m_comInt2 = -1;
2914 }
2915
2916 wxGridTableMessage::wxGridTableMessage( wxGridTableBase *table, int id,
2917                                         int commandInt1, int commandInt2 )
2918 {
2919     m_table = table;
2920     m_id = id;
2921     m_comInt1 = commandInt1;
2922     m_comInt2 = commandInt2;
2923 }
2924
2925
2926
2927 //////////////////////////////////////////////////////////////////////
2928 //
2929 // A basic grid table for string data. An object of this class will
2930 // created by wxGrid if you don't specify an alternative table class.
2931 //
2932
2933 WX_DEFINE_OBJARRAY(wxGridStringArray)
2934
2935 IMPLEMENT_DYNAMIC_CLASS( wxGridStringTable, wxGridTableBase )
2936
2937 wxGridStringTable::wxGridStringTable()
2938         : wxGridTableBase()
2939 {
2940 }
2941
2942 wxGridStringTable::wxGridStringTable( int numRows, int numCols )
2943         : wxGridTableBase()
2944 {
2945     m_data.Alloc( numRows );
2946
2947     wxArrayString sa;
2948     sa.Alloc( numCols );
2949     sa.Add( wxEmptyString, numCols );
2950
2951     m_data.Add( sa, numRows );
2952 }
2953
2954 wxGridStringTable::~wxGridStringTable()
2955 {
2956 }
2957
2958 int wxGridStringTable::GetNumberRows()
2959 {
2960     return m_data.GetCount();
2961 }
2962
2963 int wxGridStringTable::GetNumberCols()
2964 {
2965     if ( m_data.GetCount() > 0 )
2966         return m_data[0].GetCount();
2967     else
2968         return 0;
2969 }
2970
2971 wxString wxGridStringTable::GetValue( int row, int col )
2972 {
2973     wxASSERT_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),
2974                   _T("invalid row or column index in wxGridStringTable") );
2975
2976     return m_data[row][col];
2977 }
2978
2979 void wxGridStringTable::SetValue( int row, int col, const wxString& value )
2980 {
2981     wxASSERT_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),
2982                   _T("invalid row or column index in wxGridStringTable") );
2983
2984     m_data[row][col] = value;
2985 }
2986
2987 bool wxGridStringTable::IsEmptyCell( int row, int col )
2988 {
2989     wxASSERT_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),
2990                   _T("invalid row or column index in wxGridStringTable") );
2991
2992     return (m_data[row][col] == wxEmptyString);
2993 }
2994
2995 void wxGridStringTable::Clear()
2996 {
2997     int row, col;
2998     int numRows, numCols;
2999
3000     numRows = m_data.GetCount();
3001     if ( numRows > 0 )
3002     {
3003         numCols = m_data[0].GetCount();
3004
3005         for ( row = 0;  row < numRows;  row++ )
3006         {
3007             for ( col = 0;  col < numCols;  col++ )
3008             {
3009                 m_data[row][col] = wxEmptyString;
3010             }
3011         }
3012     }
3013 }
3014
3015
3016 bool wxGridStringTable::InsertRows( size_t pos, size_t numRows )
3017 {
3018     size_t curNumRows = m_data.GetCount();
3019     size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
3020                           ( GetView() ? GetView()->GetNumberCols() : 0 ) );
3021
3022     if ( pos >= curNumRows )
3023     {
3024         return AppendRows( numRows );
3025     }
3026
3027     wxArrayString sa;
3028     sa.Alloc( curNumCols );
3029     sa.Add( wxEmptyString, curNumCols );
3030     m_data.Insert( sa, pos, numRows );
3031     if ( GetView() )
3032     {
3033         wxGridTableMessage msg( this,
3034                                 wxGRIDTABLE_NOTIFY_ROWS_INSERTED,
3035                                 pos,
3036                                 numRows );
3037
3038         GetView()->ProcessTableMessage( msg );
3039     }
3040
3041     return TRUE;
3042 }
3043
3044 bool wxGridStringTable::AppendRows( size_t numRows )
3045 {
3046     size_t curNumRows = m_data.GetCount();
3047     size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
3048                           ( GetView() ? GetView()->GetNumberCols() : 0 ) );
3049
3050     wxArrayString sa;
3051     if ( curNumCols > 0 )
3052     {
3053         sa.Alloc( curNumCols );
3054         sa.Add( wxEmptyString, curNumCols );
3055     }
3056
3057     m_data.Add( sa, numRows );
3058
3059     if ( GetView() )
3060     {
3061         wxGridTableMessage msg( this,
3062                                 wxGRIDTABLE_NOTIFY_ROWS_APPENDED,
3063                                 numRows );
3064
3065         GetView()->ProcessTableMessage( msg );
3066     }
3067
3068     return TRUE;
3069 }
3070
3071 bool wxGridStringTable::DeleteRows( size_t pos, size_t numRows )
3072 {
3073     size_t curNumRows = m_data.GetCount();
3074
3075     if ( pos >= curNumRows )
3076     {
3077         wxString errmsg;
3078         errmsg.Printf(wxT("Called wxGridStringTable::DeleteRows(pos=%d, N=%d)\nPos value is invalid for present table with %d rows"),
3079                       pos, numRows, curNumRows );
3080         wxFAIL_MSG( errmsg );
3081         return FALSE;
3082     }
3083
3084     if ( numRows > curNumRows - pos )
3085     {
3086         numRows = curNumRows - pos;
3087     }
3088
3089     if ( numRows >= curNumRows )
3090     {
3091         m_data.Empty();  // don't release memory just yet
3092     }
3093     else
3094     {
3095         m_data.RemoveAt( pos, numRows );
3096     }
3097     if ( GetView() )
3098     {
3099         wxGridTableMessage msg( this,
3100                                 wxGRIDTABLE_NOTIFY_ROWS_DELETED,
3101                                 pos,
3102                                 numRows );
3103
3104         GetView()->ProcessTableMessage( msg );
3105     }
3106
3107     return TRUE;
3108 }
3109
3110 bool wxGridStringTable::InsertCols( size_t pos, size_t numCols )
3111 {
3112     size_t row, col;
3113
3114     size_t curNumRows = m_data.GetCount();
3115     size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
3116                           ( GetView() ? GetView()->GetNumberCols() : 0 ) );
3117
3118     if ( pos >= curNumCols )
3119     {
3120         return AppendCols( numCols );
3121     }
3122
3123     for ( row = 0;  row < curNumRows;  row++ )
3124     {
3125         for ( col = pos;  col < pos + numCols;  col++ )
3126         {
3127             m_data[row].Insert( wxEmptyString, col );
3128         }
3129     }
3130     if ( GetView() )
3131     {
3132         wxGridTableMessage msg( this,
3133                                 wxGRIDTABLE_NOTIFY_COLS_INSERTED,
3134                                 pos,
3135                                 numCols );
3136
3137         GetView()->ProcessTableMessage( msg );
3138     }
3139
3140     return TRUE;
3141 }
3142
3143 bool wxGridStringTable::AppendCols( size_t numCols )
3144 {
3145     size_t row;
3146
3147     size_t curNumRows = m_data.GetCount();
3148 #if 0
3149     if ( !curNumRows )
3150     {
3151         // TODO: something better than this ?
3152         //
3153         wxFAIL_MSG( wxT("Unable to append cols to a grid table with no rows.\nCall AppendRows() first") );
3154         return FALSE;
3155     }
3156 #endif
3157
3158     for ( row = 0;  row < curNumRows;  row++ )
3159     {
3160         m_data[row].Add( wxEmptyString, numCols );
3161     }
3162
3163     if ( GetView() )
3164     {
3165         wxGridTableMessage msg( this,
3166                                 wxGRIDTABLE_NOTIFY_COLS_APPENDED,
3167                                 numCols );
3168
3169         GetView()->ProcessTableMessage( msg );
3170     }
3171
3172     return TRUE;
3173 }
3174
3175 bool wxGridStringTable::DeleteCols( size_t pos, size_t numCols )
3176 {
3177     size_t row;
3178
3179     size_t curNumRows = m_data.GetCount();
3180     size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
3181                           ( GetView() ? GetView()->GetNumberCols() : 0 ) );
3182
3183     if ( pos >= curNumCols )
3184     {
3185         wxString errmsg;
3186         errmsg.Printf( wxT("Called wxGridStringTable::DeleteCols(pos=%d, N=%d)...\nPos value is invalid for present table with %d cols"),
3187                         pos, numCols, curNumCols );
3188         wxFAIL_MSG( errmsg );
3189         return FALSE;
3190     }
3191
3192     if ( numCols > curNumCols - pos )
3193     {
3194         numCols = curNumCols - pos;
3195     }
3196
3197     for ( row = 0;  row < curNumRows;  row++ )
3198     {
3199         if ( numCols >= curNumCols )
3200         {
3201             m_data[row].Clear();
3202         }
3203         else
3204         {
3205             m_data[row].RemoveAt( pos, numCols );
3206         }
3207     }
3208     if ( GetView() )
3209     {
3210         wxGridTableMessage msg( this,
3211                                 wxGRIDTABLE_NOTIFY_COLS_DELETED,
3212                                 pos,
3213                                 numCols );
3214
3215         GetView()->ProcessTableMessage( msg );
3216     }
3217
3218     return TRUE;
3219 }
3220
3221 wxString wxGridStringTable::GetRowLabelValue( int row )
3222 {
3223     if ( row > (int)(m_rowLabels.GetCount()) - 1 )
3224     {
3225         // using default label
3226         //
3227         return wxGridTableBase::GetRowLabelValue( row );
3228     }
3229     else
3230     {
3231         return m_rowLabels[ row ];
3232     }
3233 }
3234
3235 wxString wxGridStringTable::GetColLabelValue( int col )
3236 {
3237     if ( col > (int)(m_colLabels.GetCount()) - 1 )
3238     {
3239         // using default label
3240         //
3241         return wxGridTableBase::GetColLabelValue( col );
3242     }
3243     else
3244     {
3245         return m_colLabels[ col ];
3246     }
3247 }
3248
3249 void wxGridStringTable::SetRowLabelValue( int row, const wxString& value )
3250 {
3251     if ( row > (int)(m_rowLabels.GetCount()) - 1 )
3252     {
3253         int n = m_rowLabels.GetCount();
3254         int i;
3255         for ( i = n;  i <= row;  i++ )
3256         {
3257             m_rowLabels.Add( wxGridTableBase::GetRowLabelValue(i) );
3258         }
3259     }
3260
3261     m_rowLabels[row] = value;
3262 }
3263
3264 void wxGridStringTable::SetColLabelValue( int col, const wxString& value )
3265 {
3266     if ( col > (int)(m_colLabels.GetCount()) - 1 )
3267     {
3268         int n = m_colLabels.GetCount();
3269         int i;
3270         for ( i = n;  i <= col;  i++ )
3271         {
3272             m_colLabels.Add( wxGridTableBase::GetColLabelValue(i) );
3273         }
3274     }
3275
3276     m_colLabels[col] = value;
3277 }
3278
3279
3280
3281 //////////////////////////////////////////////////////////////////////
3282 //////////////////////////////////////////////////////////////////////
3283
3284 IMPLEMENT_DYNAMIC_CLASS( wxGridRowLabelWindow, wxWindow )
3285
3286 BEGIN_EVENT_TABLE( wxGridRowLabelWindow, wxWindow )
3287     EVT_PAINT( wxGridRowLabelWindow::OnPaint )
3288     EVT_MOUSEWHEEL( wxGridRowLabelWindow::OnMouseWheel)
3289     EVT_MOUSE_EVENTS( wxGridRowLabelWindow::OnMouseEvent )
3290     EVT_KEY_DOWN( wxGridRowLabelWindow::OnKeyDown )
3291     EVT_KEY_UP( wxGridRowLabelWindow::OnKeyUp )
3292 END_EVENT_TABLE()
3293
3294 wxGridRowLabelWindow::wxGridRowLabelWindow( wxGrid *parent,
3295                                             wxWindowID id,
3296                                             const wxPoint &pos, const wxSize &size )
3297   : wxWindow( parent, id, pos, size, wxWANTS_CHARS )
3298 {
3299     m_owner = parent;
3300 }
3301
3302 void wxGridRowLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
3303 {
3304     wxPaintDC dc(this);
3305
3306     // NO - don't do this because it will set both the x and y origin
3307     // coords to match the parent scrolled window and we just want to
3308     // set the y coord  - MB
3309     //
3310     // m_owner->PrepareDC( dc );
3311
3312     int x, y;
3313     m_owner->CalcUnscrolledPosition( 0, 0, &x, &y );
3314     dc.SetDeviceOrigin( 0, -y );
3315
3316     wxArrayInt rows = m_owner->CalcRowLabelsExposed( GetUpdateRegion() );
3317     m_owner->DrawRowLabels( dc , rows );
3318 }
3319
3320
3321 void wxGridRowLabelWindow::OnMouseEvent( wxMouseEvent& event )
3322 {
3323     m_owner->ProcessRowLabelMouseEvent( event );
3324 }
3325
3326
3327 void wxGridRowLabelWindow::OnMouseWheel( wxMouseEvent& event )
3328 {
3329     m_owner->GetEventHandler()->ProcessEvent(event);
3330 }
3331
3332
3333 // This seems to be required for wxMotif otherwise the mouse
3334 // cursor must be in the cell edit control to get key events
3335 //
3336 void wxGridRowLabelWindow::OnKeyDown( wxKeyEvent& event )
3337 {
3338     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3339 }
3340
3341 void wxGridRowLabelWindow::OnKeyUp( wxKeyEvent& event )
3342 {
3343     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3344 }
3345
3346
3347
3348 //////////////////////////////////////////////////////////////////////
3349
3350 IMPLEMENT_DYNAMIC_CLASS( wxGridColLabelWindow, wxWindow )
3351
3352 BEGIN_EVENT_TABLE( wxGridColLabelWindow, wxWindow )
3353     EVT_PAINT( wxGridColLabelWindow::OnPaint )
3354     EVT_MOUSEWHEEL( wxGridColLabelWindow::OnMouseWheel)
3355     EVT_MOUSE_EVENTS( wxGridColLabelWindow::OnMouseEvent )
3356     EVT_KEY_DOWN( wxGridColLabelWindow::OnKeyDown )
3357     EVT_KEY_UP( wxGridColLabelWindow::OnKeyUp )
3358 END_EVENT_TABLE()
3359
3360 wxGridColLabelWindow::wxGridColLabelWindow( wxGrid *parent,
3361                                             wxWindowID id,
3362                                             const wxPoint &pos, const wxSize &size )
3363   : wxWindow( parent, id, pos, size, wxWANTS_CHARS )
3364 {
3365     m_owner = parent;
3366 }
3367
3368 void wxGridColLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
3369 {
3370     wxPaintDC dc(this);
3371
3372     // NO - don't do this because it will set both the x and y origin
3373     // coords to match the parent scrolled window and we just want to
3374     // set the x coord  - MB
3375     //
3376     // m_owner->PrepareDC( dc );
3377
3378     int x, y;
3379     m_owner->CalcUnscrolledPosition( 0, 0, &x, &y );
3380     dc.SetDeviceOrigin( -x, 0 );
3381
3382     wxArrayInt cols = m_owner->CalcColLabelsExposed( GetUpdateRegion() );
3383     m_owner->DrawColLabels( dc , cols );
3384 }
3385
3386
3387 void wxGridColLabelWindow::OnMouseEvent( wxMouseEvent& event )
3388 {
3389     m_owner->ProcessColLabelMouseEvent( event );
3390 }
3391
3392 void wxGridColLabelWindow::OnMouseWheel( wxMouseEvent& event )
3393 {
3394     m_owner->GetEventHandler()->ProcessEvent(event);
3395 }
3396
3397
3398 // This seems to be required for wxMotif otherwise the mouse
3399 // cursor must be in the cell edit control to get key events
3400 //
3401 void wxGridColLabelWindow::OnKeyDown( wxKeyEvent& event )
3402 {
3403     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3404 }
3405
3406 void wxGridColLabelWindow::OnKeyUp( wxKeyEvent& event )
3407 {
3408     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3409 }
3410
3411
3412
3413 //////////////////////////////////////////////////////////////////////
3414
3415 IMPLEMENT_DYNAMIC_CLASS( wxGridCornerLabelWindow, wxWindow )
3416
3417 BEGIN_EVENT_TABLE( wxGridCornerLabelWindow, wxWindow )
3418     EVT_MOUSEWHEEL( wxGridCornerLabelWindow::OnMouseWheel)
3419     EVT_MOUSE_EVENTS( wxGridCornerLabelWindow::OnMouseEvent )
3420     EVT_PAINT( wxGridCornerLabelWindow::OnPaint)
3421     EVT_KEY_DOWN( wxGridCornerLabelWindow::OnKeyDown )
3422     EVT_KEY_UP( wxGridCornerLabelWindow::OnKeyUp )
3423 END_EVENT_TABLE()
3424
3425 wxGridCornerLabelWindow::wxGridCornerLabelWindow( wxGrid *parent,
3426                                                   wxWindowID id,
3427                                                   const wxPoint &pos, const wxSize &size )
3428   : wxWindow( parent, id, pos, size, wxWANTS_CHARS )
3429 {
3430     m_owner = parent;
3431 }
3432
3433 void wxGridCornerLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
3434 {
3435     wxPaintDC dc(this);
3436
3437     int client_height = 0;
3438     int client_width = 0;
3439     GetClientSize( &client_width, &client_height );
3440
3441     dc.SetPen( *wxBLACK_PEN );
3442     dc.DrawLine( client_width-1, client_height-1, client_width-1, 0 );
3443     dc.DrawLine( client_width-1, client_height-1, 0, client_height-1 );
3444
3445     dc.SetPen( *wxWHITE_PEN );
3446     dc.DrawLine( 0, 0, client_width, 0 );
3447     dc.DrawLine( 0, 0, 0, client_height );
3448 }
3449
3450
3451 void wxGridCornerLabelWindow::OnMouseEvent( wxMouseEvent& event )
3452 {
3453     m_owner->ProcessCornerLabelMouseEvent( event );
3454 }
3455
3456
3457 void wxGridCornerLabelWindow::OnMouseWheel( wxMouseEvent& event )
3458 {
3459     m_owner->GetEventHandler()->ProcessEvent(event);
3460 }
3461
3462 // This seems to be required for wxMotif otherwise the mouse
3463 // cursor must be in the cell edit control to get key events
3464 //
3465 void wxGridCornerLabelWindow::OnKeyDown( wxKeyEvent& event )
3466 {
3467     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3468 }
3469
3470 void wxGridCornerLabelWindow::OnKeyUp( wxKeyEvent& event )
3471 {
3472     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3473 }
3474
3475
3476
3477 //////////////////////////////////////////////////////////////////////
3478
3479 IMPLEMENT_DYNAMIC_CLASS( wxGridWindow, wxWindow )
3480
3481 BEGIN_EVENT_TABLE( wxGridWindow, wxWindow )
3482     EVT_PAINT( wxGridWindow::OnPaint )
3483     EVT_MOUSEWHEEL( wxGridWindow::OnMouseWheel)
3484     EVT_MOUSE_EVENTS( wxGridWindow::OnMouseEvent )
3485     EVT_KEY_DOWN( wxGridWindow::OnKeyDown )
3486     EVT_KEY_UP( wxGridWindow::OnKeyUp )
3487     EVT_ERASE_BACKGROUND( wxGridWindow::OnEraseBackground )
3488 END_EVENT_TABLE()
3489
3490 wxGridWindow::wxGridWindow( wxGrid *parent,
3491                             wxGridRowLabelWindow *rowLblWin,
3492                             wxGridColLabelWindow *colLblWin,
3493                             wxWindowID id, const wxPoint &pos, const wxSize &size )
3494         : wxWindow( parent, id, pos, size, wxWANTS_CHARS, wxT("grid window") )
3495 {
3496     m_owner = parent;
3497     m_rowLabelWin = rowLblWin;
3498     m_colLabelWin = colLblWin;
3499     SetBackgroundColour(_T("WHITE"));
3500 }
3501
3502
3503 wxGridWindow::~wxGridWindow()
3504 {
3505 }
3506
3507
3508 void wxGridWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
3509 {
3510     wxPaintDC dc( this );
3511     m_owner->PrepareDC( dc );
3512     wxRegion reg = GetUpdateRegion();
3513     wxGridCellCoordsArray DirtyCells = m_owner->CalcCellsExposed( reg );
3514     m_owner->DrawGridCellArea( dc , DirtyCells);
3515 #if WXGRID_DRAW_LINES
3516     m_owner->DrawAllGridLines( dc, reg );
3517 #endif
3518     m_owner->DrawGridSpace( dc );
3519     m_owner->DrawHighlight( dc , DirtyCells );
3520 }
3521
3522
3523 void wxGridWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
3524 {
3525     wxWindow::ScrollWindow( dx, dy, rect );
3526     m_rowLabelWin->ScrollWindow( 0, dy, rect );
3527     m_colLabelWin->ScrollWindow( dx, 0, rect );
3528 }
3529
3530
3531 void wxGridWindow::OnMouseEvent( wxMouseEvent& event )
3532 {
3533     m_owner->ProcessGridCellMouseEvent( event );
3534 }
3535
3536 void wxGridWindow::OnMouseWheel( wxMouseEvent& event )
3537 {
3538     m_owner->GetEventHandler()->ProcessEvent(event);
3539 }
3540
3541 // This seems to be required for wxMotif/wxGTK otherwise the mouse
3542 // cursor must be in the cell edit control to get key events
3543 //
3544 void wxGridWindow::OnKeyDown( wxKeyEvent& event )
3545 {
3546     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3547 }
3548
3549 void wxGridWindow::OnKeyUp( wxKeyEvent& event )
3550 {
3551     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3552 }
3553
3554 void wxGridWindow::OnEraseBackground( wxEraseEvent& WXUNUSED(event) )
3555 {
3556 }
3557
3558
3559 //////////////////////////////////////////////////////////////////////
3560
3561 // Internal Helper function for computing row or column from some
3562 // (unscrolled) coordinate value, using either
3563 // m_defaultRowHeight/m_defaultColWidth or binary search on array
3564 // of m_rowBottoms/m_ColRights to speed up the search!
3565
3566 // Internal helper macros for simpler use of that function
3567
3568 static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
3569                            const wxArrayInt& BorderArray, bool maxOnOverflow);
3570
3571 #define internalXToCol(x) CoordToRowOrCol(x, m_defaultColWidth, \
3572                                           WXGRID_MIN_COL_WIDTH, \
3573                                           m_colRights, TRUE)
3574 #define internalYToRow(y) CoordToRowOrCol(y, m_defaultRowHeight, \
3575                                           WXGRID_MIN_ROW_HEIGHT, \
3576                                           m_rowBottoms, TRUE)
3577 /////////////////////////////////////////////////////////////////////
3578
3579 IMPLEMENT_DYNAMIC_CLASS( wxGrid, wxScrolledWindow )
3580
3581 BEGIN_EVENT_TABLE( wxGrid, wxScrolledWindow )
3582     EVT_PAINT( wxGrid::OnPaint )
3583     EVT_SIZE( wxGrid::OnSize )
3584     EVT_KEY_DOWN( wxGrid::OnKeyDown )
3585     EVT_KEY_UP( wxGrid::OnKeyUp )
3586     EVT_ERASE_BACKGROUND( wxGrid::OnEraseBackground )
3587 END_EVENT_TABLE()
3588
3589 wxGrid::wxGrid( wxWindow *parent,
3590                  wxWindowID id,
3591                  const wxPoint& pos,
3592                  const wxSize& size,
3593                  long style,
3594                  const wxString& name )
3595   : wxScrolledWindow( parent, id, pos, size, (style | wxWANTS_CHARS), name ),
3596     m_colMinWidths(GRID_HASH_SIZE),
3597     m_rowMinHeights(GRID_HASH_SIZE)
3598 {
3599     Create();
3600 }
3601
3602
3603 wxGrid::~wxGrid()
3604 {
3605     // Must do this or ~wxScrollHelper will pop the wrong event handler
3606     SetTargetWindow(this);
3607     ClearAttrCache();
3608     wxSafeDecRef(m_defaultCellAttr);
3609
3610 #ifdef DEBUG_ATTR_CACHE
3611     size_t total = gs_nAttrCacheHits + gs_nAttrCacheMisses;
3612     wxPrintf(_T("wxGrid attribute cache statistics: "
3613                 "total: %u, hits: %u (%u%%)\n"),
3614              total, gs_nAttrCacheHits,
3615              total ? (gs_nAttrCacheHits*100) / total : 0);
3616 #endif
3617
3618     if (m_ownTable)
3619         delete m_table;
3620
3621     delete m_typeRegistry;
3622     delete m_selection;
3623 }
3624
3625
3626 //
3627 // ----- internal init and update functions
3628 //
3629
3630 void wxGrid::Create()
3631 {
3632     m_created = FALSE;    // set to TRUE by CreateGrid
3633
3634     m_table        = (wxGridTableBase *) NULL;
3635     m_ownTable     = FALSE;
3636
3637     m_cellEditCtrlEnabled = FALSE;
3638
3639     m_defaultCellAttr = new wxGridCellAttr();
3640
3641     // Set default cell attributes
3642     m_defaultCellAttr->SetDefAttr(m_defaultCellAttr);
3643     m_defaultCellAttr->SetKind(wxGridCellAttr::Default);
3644     m_defaultCellAttr->SetFont(GetFont());
3645     m_defaultCellAttr->SetAlignment(wxALIGN_LEFT, wxALIGN_TOP);
3646     m_defaultCellAttr->SetTextColour(
3647         wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
3648     m_defaultCellAttr->SetBackgroundColour(
3649         wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
3650     m_defaultCellAttr->SetRenderer(new wxGridCellStringRenderer);
3651     m_defaultCellAttr->SetEditor(new wxGridCellTextEditor);
3652
3653
3654     m_numRows = 0;
3655     m_numCols = 0;
3656     m_currentCellCoords = wxGridNoCellCoords;
3657
3658     m_rowLabelWidth = WXGRID_DEFAULT_ROW_LABEL_WIDTH;
3659     m_colLabelHeight = WXGRID_DEFAULT_COL_LABEL_HEIGHT;
3660
3661     // create the type registry
3662     m_typeRegistry = new wxGridTypeRegistry;
3663     m_selection = NULL;
3664
3665     // subwindow components that make up the wxGrid
3666     m_cornerLabelWin = new wxGridCornerLabelWindow( this,
3667                                                     -1,
3668                                                     wxDefaultPosition,
3669                                                     wxDefaultSize );
3670
3671     m_rowLabelWin = new wxGridRowLabelWindow( this,
3672                                               -1,
3673                                               wxDefaultPosition,
3674                                               wxDefaultSize );
3675
3676     m_colLabelWin = new wxGridColLabelWindow( this,
3677                                               -1,
3678                                               wxDefaultPosition,
3679                                               wxDefaultSize );
3680
3681     m_gridWin = new wxGridWindow( this,
3682                                   m_rowLabelWin,
3683                                   m_colLabelWin,
3684                                   -1,
3685                                   wxDefaultPosition,
3686                                   wxDefaultSize );
3687
3688     SetTargetWindow( m_gridWin );
3689
3690     Init();
3691 }
3692
3693
3694 bool wxGrid::CreateGrid( int numRows, int numCols,
3695                          wxGrid::wxGridSelectionModes selmode )
3696 {
3697     wxCHECK_MSG( !m_created,
3698                  FALSE,
3699                  wxT("wxGrid::CreateGrid or wxGrid::SetTable called more than once") );
3700
3701     m_numRows = numRows;
3702     m_numCols = numCols;
3703
3704     m_table = new wxGridStringTable( m_numRows, m_numCols );
3705     m_table->SetView( this );
3706     m_ownTable = TRUE;
3707     m_selection = new wxGridSelection( this, selmode );
3708
3709     CalcDimensions();
3710
3711     m_created = TRUE;
3712
3713     return m_created;
3714 }
3715
3716 void wxGrid::SetSelectionMode(wxGrid::wxGridSelectionModes selmode)
3717 {
3718     wxCHECK_RET( m_created,
3719                  wxT("Called wxGrid::SetSelectionMode() before calling CreateGrid()") );
3720
3721     m_selection->SetSelectionMode( selmode );
3722 }
3723
3724 bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership,
3725                        wxGrid::wxGridSelectionModes selmode )
3726 {
3727     if ( m_created )
3728     {
3729         // RD: Actually, this should probably be allowed.  I think it would be
3730         //     nice to be able to switch multiple Tables in and out of a single
3731         //     View at runtime.  Is there anything in the implementation that
3732         //     would prevent this?
3733
3734         // At least, you now have to cope with m_selection
3735         wxFAIL_MSG( wxT("wxGrid::CreateGrid or wxGrid::SetTable called more than once") );
3736         return FALSE;
3737     }
3738     else
3739     {
3740         m_numRows = table->GetNumberRows();
3741         m_numCols = table->GetNumberCols();
3742
3743         m_table = table;
3744         m_table->SetView( this );
3745         if (takeOwnership)
3746             m_ownTable = TRUE;
3747         m_selection = new wxGridSelection( this, selmode );
3748
3749         CalcDimensions();
3750
3751         m_created = TRUE;
3752     }
3753
3754     return m_created;
3755 }
3756
3757
3758 void wxGrid::Init()
3759 {
3760     m_rowLabelWidth  = WXGRID_DEFAULT_ROW_LABEL_WIDTH;
3761     m_colLabelHeight = WXGRID_DEFAULT_COL_LABEL_HEIGHT;
3762
3763     if ( m_rowLabelWin )
3764     {
3765         m_labelBackgroundColour = m_rowLabelWin->GetBackgroundColour();
3766     }
3767     else
3768     {
3769         m_labelBackgroundColour = wxColour( _T("WHITE") );
3770     }
3771
3772     m_labelTextColour = wxColour( _T("BLACK") );
3773
3774     // init attr cache
3775     m_attrCache.row = -1;
3776
3777     // TODO: something better than this ?
3778     //
3779     m_labelFont = this->GetFont();
3780     m_labelFont.SetWeight( m_labelFont.GetWeight() + 2 );
3781
3782     m_rowLabelHorizAlign = wxALIGN_LEFT;
3783     m_rowLabelVertAlign  = wxALIGN_CENTRE;
3784
3785     m_colLabelHorizAlign = wxALIGN_CENTRE;
3786     m_colLabelVertAlign  = wxALIGN_TOP;
3787
3788     m_defaultColWidth  = WXGRID_DEFAULT_COL_WIDTH;
3789     m_defaultRowHeight = m_gridWin->GetCharHeight();
3790
3791 #if defined(__WXMOTIF__) || defined(__WXGTK__)  // see also text ctrl sizing in ShowCellEditControl()
3792     m_defaultRowHeight += 8;
3793 #else
3794     m_defaultRowHeight += 4;
3795 #endif
3796
3797     m_gridLineColour = wxColour( 128, 128, 255 );
3798     m_gridLinesEnabled = TRUE;
3799     m_cellHighlightColour = m_gridLineColour;
3800     m_cellHighlightPenWidth = 2;
3801     m_cellHighlightROPenWidth = 1;
3802
3803     m_cursorMode  = WXGRID_CURSOR_SELECT_CELL;
3804     m_winCapture = (wxWindow *)NULL;
3805     m_canDragRowSize = TRUE;
3806     m_canDragColSize = TRUE;
3807     m_canDragGridSize = TRUE;
3808     m_dragLastPos  = -1;
3809     m_dragRowOrCol = -1;
3810     m_isDragging = FALSE;
3811     m_startDragPos = wxDefaultPosition;
3812
3813     m_waitForSlowClick = FALSE;
3814
3815     m_rowResizeCursor = wxCursor( wxCURSOR_SIZENS );
3816     m_colResizeCursor = wxCursor( wxCURSOR_SIZEWE );
3817
3818     m_currentCellCoords = wxGridNoCellCoords;
3819
3820     m_selectingTopLeft = wxGridNoCellCoords;
3821     m_selectingBottomRight = wxGridNoCellCoords;
3822     m_selectionBackground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
3823     m_selectionForeground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
3824
3825     m_editable = TRUE;  // default for whole grid
3826
3827     m_inOnKeyDown = FALSE;
3828     m_batchCount = 0;
3829
3830     m_extraWidth =
3831     m_extraHeight = 0;
3832 }
3833
3834 // ----------------------------------------------------------------------------
3835 // the idea is to call these functions only when necessary because they create
3836 // quite big arrays which eat memory mostly unnecessary - in particular, if
3837 // default widths/heights are used for all rows/columns, we may not use these
3838 // arrays at all
3839 //
3840 // with some extra code, it should be possible to only store the
3841 // widths/heights different from default ones but this will be done later...
3842 // ----------------------------------------------------------------------------
3843
3844 void wxGrid::InitRowHeights()
3845 {
3846     m_rowHeights.Empty();
3847     m_rowBottoms.Empty();
3848
3849     m_rowHeights.Alloc( m_numRows );
3850     m_rowBottoms.Alloc( m_numRows );
3851
3852     int rowBottom = 0;
3853
3854     m_rowHeights.Add( m_defaultRowHeight, m_numRows );
3855
3856     for ( int i = 0;  i < m_numRows;  i++ )
3857     {
3858         rowBottom += m_defaultRowHeight;
3859         m_rowBottoms.Add( rowBottom );
3860     }
3861 }
3862
3863 void wxGrid::InitColWidths()
3864 {
3865     m_colWidths.Empty();
3866     m_colRights.Empty();
3867
3868     m_colWidths.Alloc( m_numCols );
3869     m_colRights.Alloc( m_numCols );
3870     int colRight = 0;
3871
3872     m_colWidths.Add( m_defaultColWidth, m_numCols );
3873
3874     for ( int i = 0;  i < m_numCols;  i++ )
3875     {
3876         colRight += m_defaultColWidth;
3877         m_colRights.Add( colRight );
3878     }
3879 }
3880
3881 int wxGrid::GetColWidth(int col) const
3882 {
3883     return m_colWidths.IsEmpty() ? m_defaultColWidth : m_colWidths[col];
3884 }
3885
3886 int wxGrid::GetColLeft(int col) const
3887 {
3888     return m_colRights.IsEmpty() ? col * m_defaultColWidth
3889                                  : m_colRights[col] - m_colWidths[col];
3890 }
3891
3892 int wxGrid::GetColRight(int col) const
3893 {
3894     return m_colRights.IsEmpty() ? (col + 1) * m_defaultColWidth
3895                                  : m_colRights[col];
3896 }
3897
3898 int wxGrid::GetRowHeight(int row) const
3899 {
3900     return m_rowHeights.IsEmpty() ? m_defaultRowHeight : m_rowHeights[row];
3901 }
3902
3903 int wxGrid::GetRowTop(int row) const
3904 {
3905     return m_rowBottoms.IsEmpty() ? row * m_defaultRowHeight
3906                                   : m_rowBottoms[row] - m_rowHeights[row];
3907 }
3908
3909 int wxGrid::GetRowBottom(int row) const
3910 {
3911     return m_rowBottoms.IsEmpty() ? (row + 1) * m_defaultRowHeight
3912                                   : m_rowBottoms[row];
3913 }
3914
3915 void wxGrid::CalcDimensions()
3916 {
3917     int cw, ch;
3918     GetClientSize( &cw, &ch );
3919
3920     if ( m_rowLabelWin->IsShown() )
3921         cw -= m_rowLabelWidth;
3922     if ( m_colLabelWin->IsShown() )
3923         ch -= m_colLabelHeight;
3924
3925     // grid total size
3926     int w = m_numCols > 0 ? GetColRight(m_numCols - 1) + m_extraWidth + 1 : 0;
3927     int h = m_numRows > 0 ? GetRowBottom(m_numRows - 1) + m_extraHeight + 1 : 0;
3928
3929     // preserve (more or less) the previous position
3930     int x, y;
3931     GetViewStart( &x, &y );
3932
3933     // maybe we don't need scrollbars at all?
3934     //
3935     // also adjust the position to be valid for the new scroll rangs
3936     if ( w <= cw )
3937     {
3938         w = x = 0;
3939     }
3940     else
3941     {
3942         if ( x >= w )
3943             x = w - 1;
3944     }
3945
3946     if ( h <= ch )
3947     {
3948         h = y = 0;
3949     }
3950     else
3951     {
3952         if ( y >= h )
3953             y = h - 1;
3954     }
3955
3956     // do set scrollbar parameters
3957     SetScrollbars( GRID_SCROLL_LINE_X, GRID_SCROLL_LINE_Y,
3958                    GetScrollX(w), GetScrollY(h), x, y,
3959                    GetBatchCount() != 0);
3960
3961     // if our OnSize() hadn't been called (it would if we have scrollbars), we
3962     // still must reposition the children
3963     CalcWindowSizes();
3964 }
3965
3966
3967 void wxGrid::CalcWindowSizes()
3968 {
3969     int cw, ch;
3970     GetClientSize( &cw, &ch );
3971
3972     if ( m_cornerLabelWin->IsShown() )
3973         m_cornerLabelWin->SetSize( 0, 0, m_rowLabelWidth, m_colLabelHeight );
3974
3975     if ( m_colLabelWin->IsShown() )
3976         m_colLabelWin->SetSize( m_rowLabelWidth, 0, cw-m_rowLabelWidth, m_colLabelHeight);
3977
3978     if ( m_rowLabelWin->IsShown() )
3979         m_rowLabelWin->SetSize( 0, m_colLabelHeight, m_rowLabelWidth, ch-m_colLabelHeight);
3980
3981     if ( m_gridWin->IsShown() )
3982         m_gridWin->SetSize( m_rowLabelWidth, m_colLabelHeight, cw-m_rowLabelWidth, ch-m_colLabelHeight);
3983 }
3984
3985
3986 // this is called when the grid table sends a message to say that it
3987 // has been redimensioned
3988 //
3989 bool wxGrid::Redimension( wxGridTableMessage& msg )
3990 {
3991     int i;
3992     bool result = FALSE;
3993
3994     // Clear the attribute cache as the attribute might refer to a different
3995     // cell than stored in the cache after adding/removing rows/columns.
3996     ClearAttrCache();
3997     // By the same reasoning, the editor should be dismissed if columns are
3998     // added or removed. And for consistency, it should IMHO always be
3999     // removed, not only if the cell "underneath" it actually changes.
4000     // For now, I intentionally do not save the editor's content as the
4001     // cell it might want to save that stuff to might no longer exist.
4002     DisableCellEditControl();
4003 #if 0
4004     // if we were using the default widths/heights so far, we must change them
4005     // now
4006     if ( m_colWidths.IsEmpty() )
4007     {
4008         InitColWidths();
4009     }
4010
4011     if ( m_rowHeights.IsEmpty() )
4012     {
4013         InitRowHeights();
4014     }
4015 #endif
4016
4017     switch ( msg.GetId() )
4018     {
4019         case wxGRIDTABLE_NOTIFY_ROWS_INSERTED:
4020         {
4021             size_t pos = msg.GetCommandInt();
4022             int numRows = msg.GetCommandInt2();
4023
4024             m_numRows += numRows;
4025
4026             if ( !m_rowHeights.IsEmpty() )
4027             {
4028                 m_rowHeights.Insert( m_defaultRowHeight, pos, numRows );
4029                 m_rowBottoms.Insert( 0, pos, numRows );
4030
4031                 int bottom = 0;
4032                 if ( pos > 0 ) bottom = m_rowBottoms[pos-1];
4033
4034                 for ( i = pos;  i < m_numRows;  i++ )
4035                 {
4036                     bottom += m_rowHeights[i];
4037                     m_rowBottoms[i] = bottom;
4038                 }
4039             }
4040             if ( m_currentCellCoords == wxGridNoCellCoords )
4041             {
4042                 // if we have just inserted cols into an empty grid the current
4043                 // cell will be undefined...
4044                 //
4045                 SetCurrentCell( 0, 0 );
4046             }
4047
4048             if ( m_selection )
4049                 m_selection->UpdateRows( pos, numRows );
4050             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
4051             if (attrProvider)
4052                 attrProvider->UpdateAttrRows( pos, numRows );
4053
4054             if ( !GetBatchCount() )
4055             {
4056                 CalcDimensions();
4057                 m_rowLabelWin->Refresh();
4058             }
4059         }
4060         result = TRUE;
4061         break;
4062
4063         case wxGRIDTABLE_NOTIFY_ROWS_APPENDED:
4064         {
4065             int numRows = msg.GetCommandInt();
4066             int oldNumRows = m_numRows;
4067             m_numRows += numRows;
4068
4069             if ( !m_rowHeights.IsEmpty() )
4070             {
4071                 m_rowHeights.Add( m_defaultRowHeight, numRows );
4072                 m_rowBottoms.Add( 0, numRows );
4073
4074                 int bottom = 0;
4075                 if ( oldNumRows > 0 ) bottom = m_rowBottoms[oldNumRows-1];
4076
4077                 for ( i = oldNumRows;  i < m_numRows;  i++ )
4078                 {
4079                     bottom += m_rowHeights[i];
4080                     m_rowBottoms[i] = bottom;
4081                 }
4082             }
4083             if ( m_currentCellCoords == wxGridNoCellCoords )
4084             {
4085                 // if we have just inserted cols into an empty grid the current
4086                 // cell will be undefined...
4087                 //
4088                 SetCurrentCell( 0, 0 );
4089             }
4090             if ( !GetBatchCount() )
4091             {
4092                 CalcDimensions();
4093                 m_rowLabelWin->Refresh();
4094             }
4095         }
4096         result = TRUE;
4097         break;
4098
4099         case wxGRIDTABLE_NOTIFY_ROWS_DELETED:
4100         {
4101             size_t pos = msg.GetCommandInt();
4102             int numRows = msg.GetCommandInt2();
4103             m_numRows -= numRows;
4104
4105             if ( !m_rowHeights.IsEmpty() )
4106             {
4107                 m_rowHeights.RemoveAt( pos, numRows );
4108                 m_rowBottoms.RemoveAt( pos, numRows );
4109
4110                 int h = 0;
4111                 for ( i = 0;  i < m_numRows;  i++ )
4112                 {
4113                     h += m_rowHeights[i];
4114                     m_rowBottoms[i] = h;
4115                 }
4116             }
4117             if ( !m_numRows )
4118             {
4119                 m_currentCellCoords = wxGridNoCellCoords;
4120             }
4121             else
4122             {
4123                 if ( m_currentCellCoords.GetRow() >= m_numRows )
4124                     m_currentCellCoords.Set( 0, 0 );
4125             }
4126
4127             if ( m_selection )
4128                 m_selection->UpdateRows( pos, -((int)numRows) );
4129             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
4130             if (attrProvider) {
4131                 attrProvider->UpdateAttrRows( pos, -((int)numRows) );
4132 // ifdef'd out following patch from Paul Gammans
4133 #if 0
4134                 // No need to touch column attributes, unless we
4135                 // removed _all_ rows, in this case, we remove
4136                 // all column attributes.
4137                 // I hate to do this here, but the
4138                 // needed data is not available inside UpdateAttrRows.
4139                 if ( !GetNumberRows() )
4140                     attrProvider->UpdateAttrCols( 0, -GetNumberCols() );
4141 #endif
4142             }
4143             if ( !GetBatchCount() )
4144             {
4145                 CalcDimensions();
4146                 m_rowLabelWin->Refresh();
4147             }
4148         }
4149         result = TRUE;
4150         break;
4151
4152         case wxGRIDTABLE_NOTIFY_COLS_INSERTED:
4153         {
4154             size_t pos = msg.GetCommandInt();
4155             int numCols = msg.GetCommandInt2();
4156             m_numCols += numCols;
4157
4158             if ( !m_colWidths.IsEmpty() )
4159             {
4160                 m_colWidths.Insert( m_defaultColWidth, pos, numCols );
4161                 m_colRights.Insert( 0, pos, numCols );
4162
4163                 int right = 0;
4164                 if ( pos > 0 ) right = m_colRights[pos-1];
4165
4166                 for ( i = pos;  i < m_numCols;  i++ )
4167                 {
4168                     right += m_colWidths[i];
4169                     m_colRights[i] = right;
4170                 }
4171             }
4172             if ( m_currentCellCoords == wxGridNoCellCoords )
4173             {
4174                 // if we have just inserted cols into an empty grid the current
4175                 // cell will be undefined...
4176                 //
4177                 SetCurrentCell( 0, 0 );
4178             }
4179
4180             if ( m_selection )
4181                 m_selection->UpdateCols( pos, numCols );
4182             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
4183             if (attrProvider)
4184                 attrProvider->UpdateAttrCols( pos, numCols );
4185             if ( !GetBatchCount() )
4186             {
4187                 CalcDimensions();
4188                 m_colLabelWin->Refresh();
4189             }
4190
4191         }
4192         result = TRUE;
4193         break;
4194
4195         case wxGRIDTABLE_NOTIFY_COLS_APPENDED:
4196         {
4197             int numCols = msg.GetCommandInt();
4198             int oldNumCols = m_numCols;
4199             m_numCols += numCols;
4200             if ( !m_colWidths.IsEmpty() )
4201             {
4202                 m_colWidths.Add( m_defaultColWidth, numCols );
4203                 m_colRights.Add( 0, numCols );
4204
4205                 int right = 0;
4206                 if ( oldNumCols > 0 ) right = m_colRights[oldNumCols-1];
4207
4208                 for ( i = oldNumCols;  i < m_numCols;  i++ )
4209                 {
4210                     right += m_colWidths[i];
4211                     m_colRights[i] = right;
4212                 }
4213             }
4214             if ( m_currentCellCoords == wxGridNoCellCoords )
4215             {
4216                 // if we have just inserted cols into an empty grid the current
4217                 // cell will be undefined...
4218                 //
4219                 SetCurrentCell( 0, 0 );
4220             }
4221             if ( !GetBatchCount() )
4222             {
4223                 CalcDimensions();
4224                 m_colLabelWin->Refresh();
4225             }
4226         }
4227         result = TRUE;
4228         break;
4229
4230         case wxGRIDTABLE_NOTIFY_COLS_DELETED:
4231         {
4232             size_t pos = msg.GetCommandInt();
4233             int numCols = msg.GetCommandInt2();
4234             m_numCols -= numCols;
4235
4236             if ( !m_colWidths.IsEmpty() )
4237             {
4238                 m_colWidths.RemoveAt( pos, numCols );
4239                 m_colRights.RemoveAt( pos, numCols );
4240
4241                 int w = 0;
4242                 for ( i = 0;  i < m_numCols;  i++ )
4243                 {
4244                     w += m_colWidths[i];
4245                     m_colRights[i] = w;
4246                 }
4247             }
4248             if ( !m_numCols )
4249             {
4250                 m_currentCellCoords = wxGridNoCellCoords;
4251             }
4252             else
4253             {
4254                 if ( m_currentCellCoords.GetCol() >= m_numCols )
4255                   m_currentCellCoords.Set( 0, 0 );
4256             }
4257
4258             if ( m_selection )
4259                 m_selection->UpdateCols( pos, -((int)numCols) );
4260             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
4261             if (attrProvider) {
4262                 attrProvider->UpdateAttrCols( pos, -((int)numCols) );
4263 // ifdef'd out following patch from Paul Gammans
4264 #if 0
4265                 // No need to touch row attributes, unless we
4266                 // removed _all_ columns, in this case, we remove
4267                 // all row attributes.
4268                 // I hate to do this here, but the
4269                 // needed data is not available inside UpdateAttrCols.
4270                 if ( !GetNumberCols() )
4271                     attrProvider->UpdateAttrRows( 0, -GetNumberRows() );
4272 #endif
4273             }
4274             if ( !GetBatchCount() )
4275             {
4276                 CalcDimensions();
4277                 m_colLabelWin->Refresh();
4278             }
4279         }
4280         result = TRUE;
4281         break;
4282     }
4283
4284     if (result && !GetBatchCount() )
4285         m_gridWin->Refresh();
4286     return result;
4287 }
4288
4289
4290 wxArrayInt wxGrid::CalcRowLabelsExposed( const wxRegion& reg )
4291 {
4292     wxRegionIterator iter( reg );
4293     wxRect r;
4294
4295     wxArrayInt  rowlabels;
4296
4297     int top, bottom;
4298     while ( iter )
4299     {
4300         r = iter.GetRect();
4301
4302         // TODO: remove this when we can...
4303         // There is a bug in wxMotif that gives garbage update
4304         // rectangles if you jump-scroll a long way by clicking the
4305         // scrollbar with middle button.  This is a work-around
4306         //
4307 #if defined(__WXMOTIF__)
4308         int cw, ch;
4309         m_gridWin->GetClientSize( &cw, &ch );
4310         if ( r.GetTop() > ch ) r.SetTop( 0 );
4311         r.SetBottom( wxMin( r.GetBottom(), ch ) );
4312 #endif
4313
4314         // logical bounds of update region
4315         //
4316         int dummy;
4317         CalcUnscrolledPosition( 0, r.GetTop(), &dummy, &top );
4318         CalcUnscrolledPosition( 0, r.GetBottom(), &dummy, &bottom );
4319
4320         // find the row labels within these bounds
4321         //
4322         int row;
4323         for ( row = internalYToRow(top);  row < m_numRows;  row++ )
4324         {
4325             if ( GetRowBottom(row) < top )
4326                 continue;
4327
4328             if ( GetRowTop(row) > bottom )
4329                 break;
4330
4331             rowlabels.Add( row );
4332         }
4333
4334         iter++ ;
4335     }
4336
4337     return rowlabels;
4338 }
4339
4340
4341 wxArrayInt wxGrid::CalcColLabelsExposed( const wxRegion& reg )
4342 {
4343     wxRegionIterator iter( reg );
4344     wxRect r;
4345
4346     wxArrayInt colLabels;
4347
4348     int left, right;
4349     while ( iter )
4350     {
4351         r = iter.GetRect();
4352
4353         // TODO: remove this when we can...
4354         // There is a bug in wxMotif that gives garbage update
4355         // rectangles if you jump-scroll a long way by clicking the
4356         // scrollbar with middle button.  This is a work-around
4357         //
4358 #if defined(__WXMOTIF__)
4359         int cw, ch;
4360         m_gridWin->GetClientSize( &cw, &ch );
4361         if ( r.GetLeft() > cw ) r.SetLeft( 0 );
4362         r.SetRight( wxMin( r.GetRight(), cw ) );
4363 #endif
4364
4365         // logical bounds of update region
4366         //
4367         int dummy;
4368         CalcUnscrolledPosition( r.GetLeft(), 0, &left, &dummy );
4369         CalcUnscrolledPosition( r.GetRight(), 0, &right, &dummy );
4370
4371         // find the cells within these bounds
4372         //
4373         int col;
4374         for ( col = internalXToCol(left);  col < m_numCols;  col++ )
4375         {
4376             if ( GetColRight(col) < left )
4377                 continue;
4378
4379             if ( GetColLeft(col) > right )
4380                 break;
4381
4382             colLabels.Add( col );
4383         }
4384
4385         iter++ ;
4386     }
4387     return colLabels;
4388 }
4389
4390
4391 wxGridCellCoordsArray wxGrid::CalcCellsExposed( const wxRegion& reg )
4392 {
4393     wxRegionIterator iter( reg );
4394     wxRect r;
4395
4396     wxGridCellCoordsArray  cellsExposed;
4397
4398     int left, top, right, bottom;
4399     while ( iter )
4400     {
4401         r = iter.GetRect();
4402
4403         // TODO: remove this when we can...
4404         // There is a bug in wxMotif that gives garbage update
4405         // rectangles if you jump-scroll a long way by clicking the
4406         // scrollbar with middle button.  This is a work-around
4407         //
4408 #if defined(__WXMOTIF__)
4409         int cw, ch;
4410         m_gridWin->GetClientSize( &cw, &ch );
4411         if ( r.GetTop() > ch ) r.SetTop( 0 );
4412         if ( r.GetLeft() > cw ) r.SetLeft( 0 );
4413         r.SetRight( wxMin( r.GetRight(), cw ) );
4414         r.SetBottom( wxMin( r.GetBottom(), ch ) );
4415 #endif
4416
4417         // logical bounds of update region
4418         //
4419         CalcUnscrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
4420         CalcUnscrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
4421
4422         // find the cells within these bounds
4423         //
4424         int row, col;
4425         for ( row = internalYToRow(top);  row < m_numRows;  row++ )
4426         {
4427             if ( GetRowBottom(row) <= top )
4428                 continue;
4429
4430             if ( GetRowTop(row) > bottom )
4431                 break;
4432
4433             for ( col = internalXToCol(left);  col < m_numCols;  col++ )
4434             {
4435                 if ( GetColRight(col) <= left )
4436                     continue;
4437
4438                 if ( GetColLeft(col) > right )
4439                     break;
4440
4441                 cellsExposed.Add( wxGridCellCoords( row, col ) );
4442             }
4443         }
4444
4445         iter++;
4446     }
4447
4448     return cellsExposed;
4449 }
4450
4451
4452 void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
4453 {
4454     int x, y, row;
4455     wxPoint pos( event.GetPosition() );
4456     CalcUnscrolledPosition( pos.x, pos.y, &x, &y );
4457
4458     if ( event.Dragging() )
4459     {
4460         if (!m_isDragging)
4461         {
4462             m_isDragging = TRUE;
4463             m_rowLabelWin->CaptureMouse();
4464         }
4465
4466         if ( event.LeftIsDown() )
4467         {
4468             switch( m_cursorMode )
4469             {
4470                 case WXGRID_CURSOR_RESIZE_ROW:
4471                 {
4472                     int cw, ch, left, dummy;
4473                     m_gridWin->GetClientSize( &cw, &ch );
4474                     CalcUnscrolledPosition( 0, 0, &left, &dummy );
4475
4476                     wxClientDC dc( m_gridWin );
4477                     PrepareDC( dc );
4478                     y = wxMax( y,
4479                                GetRowTop(m_dragRowOrCol) +
4480                                GetRowMinimalHeight(m_dragRowOrCol) );
4481                     dc.SetLogicalFunction(wxINVERT);
4482                     if ( m_dragLastPos >= 0 )
4483                     {
4484                         dc.DrawLine( left, m_dragLastPos, left+cw, m_dragLastPos );
4485                     }
4486                     dc.DrawLine( left, y, left+cw, y );
4487                     m_dragLastPos = y;
4488                 }
4489                 break;
4490
4491                 case WXGRID_CURSOR_SELECT_ROW:
4492                     if ( (row = YToRow( y )) >= 0 )
4493                     {
4494                         if ( m_selection )
4495                         {
4496                             m_selection->SelectRow( row,
4497                                                     event.ControlDown(),
4498                                                     event.ShiftDown(),
4499                                                     event.AltDown(),
4500                                                     event.MetaDown() );
4501                         }
4502                     }
4503
4504                 // default label to suppress warnings about "enumeration value
4505                 // 'xxx' not handled in switch
4506                 default:
4507                     break;
4508             }
4509         }
4510         return;
4511     }
4512
4513     if ( m_isDragging && (event.Entering() || event.Leaving()) )
4514         return;
4515
4516     if (m_isDragging)
4517     {
4518         if (m_rowLabelWin->HasCapture()) m_rowLabelWin->ReleaseMouse();
4519         m_isDragging = FALSE;
4520     }
4521
4522     // ------------ Entering or leaving the window
4523     //
4524     if ( event.Entering() || event.Leaving() )
4525     {
4526         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin);
4527     }
4528
4529
4530     // ------------ Left button pressed
4531     //
4532     else if ( event.LeftDown() )
4533     {
4534         // don't send a label click event for a hit on the
4535         // edge of the row label - this is probably the user
4536         // wanting to resize the row
4537         //
4538         if ( YToEdgeOfRow(y) < 0 )
4539         {
4540             row = YToRow(y);
4541             if ( row >= 0  &&
4542                  !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, row, -1, event ) )
4543             {
4544                 if ( !event.ShiftDown() && !event.ControlDown() )
4545                     ClearSelection();
4546                 else if ( m_selection )
4547                 {
4548                     if ( event.ShiftDown() )
4549                     {
4550                         m_selection->SelectBlock( m_currentCellCoords.GetRow(),
4551                                                   0,
4552                                                   row,
4553                                                   GetNumberCols() - 1,
4554                                                   event.ControlDown(),
4555                                                   event.ShiftDown(),
4556                                                   event.AltDown(),
4557                                                   event.MetaDown() );
4558                     }
4559                     else
4560                     {
4561                         m_selection->SelectRow( row,
4562                                                 event.ControlDown(),
4563                                                 event.ShiftDown(),
4564                                                 event.AltDown(),
4565                                                 event.MetaDown() );
4566                     }
4567                 }
4568
4569                 ChangeCursorMode(WXGRID_CURSOR_SELECT_ROW, m_rowLabelWin);
4570             }
4571         }
4572         else
4573         {
4574             // starting to drag-resize a row
4575             //
4576             if ( CanDragRowSize() )
4577                 ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, m_rowLabelWin);
4578         }
4579     }
4580
4581
4582     // ------------ Left double click
4583     //
4584     else if (event.LeftDClick() )
4585     {
4586         if ( YToEdgeOfRow(y) < 0 )
4587         {
4588             row = YToRow(y);
4589             SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, row, -1, event );
4590         }
4591     }
4592
4593
4594     // ------------ Left button released
4595     //
4596     else if ( event.LeftUp() )
4597     {
4598         if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
4599         {
4600             DoEndDragResizeRow();
4601
4602             // Note: we are ending the event *after* doing
4603             // default processing in this case
4604             //
4605             SendEvent( wxEVT_GRID_ROW_SIZE, m_dragRowOrCol, -1, event );
4606         }
4607
4608         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin);
4609         m_dragLastPos = -1;
4610     }
4611
4612
4613     // ------------ Right button down
4614     //
4615     else if ( event.RightDown() )
4616     {
4617         row = YToRow(y);
4618         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, row, -1, event ) )
4619         {
4620             // no default action at the moment
4621         }
4622     }
4623
4624
4625     // ------------ Right double click
4626     //
4627     else if ( event.RightDClick() )
4628     {
4629         row = YToRow(y);
4630         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, row, -1, event ) )
4631         {
4632             // no default action at the moment
4633         }
4634     }
4635
4636
4637     // ------------ No buttons down and mouse moving
4638     //
4639     else if ( event.Moving() )
4640     {
4641         m_dragRowOrCol = YToEdgeOfRow( y );
4642         if ( m_dragRowOrCol >= 0 )
4643         {
4644             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
4645             {
4646                 // don't capture the mouse yet
4647                 if ( CanDragRowSize() )
4648                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, m_rowLabelWin, FALSE);
4649             }
4650         }
4651         else if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
4652         {
4653             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin, FALSE);
4654         }
4655     }
4656 }
4657
4658
4659 void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
4660 {
4661     int x, y, col;
4662     wxPoint pos( event.GetPosition() );
4663     CalcUnscrolledPosition( pos.x, pos.y, &x, &y );
4664
4665     if ( event.Dragging() )
4666     {
4667         if (!m_isDragging)
4668         {
4669             m_isDragging = TRUE;
4670             m_colLabelWin->CaptureMouse();
4671         }
4672
4673         if ( event.LeftIsDown() )
4674         {
4675             switch( m_cursorMode )
4676             {
4677                 case WXGRID_CURSOR_RESIZE_COL:
4678                 {
4679                     int cw, ch, dummy, top;
4680                     m_gridWin->GetClientSize( &cw, &ch );
4681                     CalcUnscrolledPosition( 0, 0, &dummy, &top );
4682
4683                     wxClientDC dc( m_gridWin );
4684                     PrepareDC( dc );
4685
4686                     x = wxMax( x, GetColLeft(m_dragRowOrCol) +
4687                                   GetColMinimalWidth(m_dragRowOrCol));
4688                     dc.SetLogicalFunction(wxINVERT);
4689                     if ( m_dragLastPos >= 0 )
4690                     {
4691                         dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top+ch );
4692                     }
4693                     dc.DrawLine( x, top, x, top+ch );
4694                     m_dragLastPos = x;
4695                 }
4696                 break;
4697
4698                 case WXGRID_CURSOR_SELECT_COL:
4699                     if ( (col = XToCol( x )) >= 0 )
4700                     {
4701                         if ( m_selection )
4702                         {
4703                             m_selection->SelectCol( col,
4704                                                     event.ControlDown(),
4705                                                     event.ShiftDown(),
4706                                                     event.AltDown(),
4707                                                     event.MetaDown() );
4708                         }
4709                     }
4710
4711                 // default label to suppress warnings about "enumeration value
4712                 // 'xxx' not handled in switch
4713                 default:
4714                     break;
4715             }
4716         }
4717         return;
4718     }
4719
4720     if ( m_isDragging && (event.Entering() || event.Leaving()) )
4721         return;
4722
4723     if (m_isDragging)
4724     {
4725         if (m_colLabelWin->HasCapture()) m_colLabelWin->ReleaseMouse();
4726         m_isDragging = FALSE;
4727     }
4728
4729     // ------------ Entering or leaving the window
4730     //
4731     if ( event.Entering() || event.Leaving() )
4732     {
4733         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin);
4734     }
4735
4736
4737     // ------------ Left button pressed
4738     //
4739     else if ( event.LeftDown() )
4740     {
4741         // don't send a label click event for a hit on the
4742         // edge of the col label - this is probably the user
4743         // wanting to resize the col
4744         //
4745         if ( XToEdgeOfCol(x) < 0 )
4746         {
4747             col = XToCol(x);
4748             if ( col >= 0  &&
4749                  !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, -1, col, event ) )
4750             {
4751                 if ( !event.ShiftDown() && !event.ControlDown() )
4752                     ClearSelection();
4753                 if ( m_selection )
4754                 {
4755                     if ( event.ShiftDown() )
4756                     {
4757                         m_selection->SelectBlock( 0,
4758                                                   m_currentCellCoords.GetCol(),
4759                                                   GetNumberRows() - 1, col,
4760                                                   event.ControlDown(),
4761                                                   event.ShiftDown(),
4762                                                   event.AltDown(),
4763                                                   event.MetaDown() );
4764                     }
4765                     else
4766                     {
4767                         m_selection->SelectCol( col,
4768                                                 event.ControlDown(),
4769                                                 event.ShiftDown(),
4770                                                 event.AltDown(),
4771                                                 event.MetaDown() );
4772                     }
4773                 }
4774
4775                 ChangeCursorMode(WXGRID_CURSOR_SELECT_COL, m_colLabelWin);
4776             }
4777         }
4778         else
4779         {
4780             // starting to drag-resize a col
4781             //
4782             if ( CanDragColSize() )
4783                 ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, m_colLabelWin);
4784         }
4785     }
4786
4787
4788     // ------------ Left double click
4789     //
4790     if ( event.LeftDClick() )
4791     {
4792         if ( XToEdgeOfCol(x) < 0 )
4793         {
4794             col = XToCol(x);
4795             SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, -1, col, event );
4796         }
4797     }
4798
4799
4800     // ------------ Left button released
4801     //
4802     else if ( event.LeftUp() )
4803     {
4804         if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL )
4805         {
4806             DoEndDragResizeCol();
4807
4808             // Note: we are ending the event *after* doing
4809             // default processing in this case
4810             //
4811             SendEvent( wxEVT_GRID_COL_SIZE, -1, m_dragRowOrCol, event );
4812         }
4813
4814         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin);
4815         m_dragLastPos  = -1;
4816     }
4817
4818
4819     // ------------ Right button down
4820     //
4821     else if ( event.RightDown() )
4822     {
4823         col = XToCol(x);
4824         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, -1, col, event ) )
4825         {
4826             // no default action at the moment
4827         }
4828     }
4829
4830
4831     // ------------ Right double click
4832     //
4833     else if ( event.RightDClick() )
4834     {
4835         col = XToCol(x);
4836         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, -1, col, event ) )
4837         {
4838             // no default action at the moment
4839         }
4840     }
4841
4842
4843     // ------------ No buttons down and mouse moving
4844     //
4845     else if ( event.Moving() )
4846     {
4847         m_dragRowOrCol = XToEdgeOfCol( x );
4848         if ( m_dragRowOrCol >= 0 )
4849         {
4850             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
4851             {
4852                 // don't capture the cursor yet
4853                 if ( CanDragColSize() )
4854                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, m_colLabelWin, FALSE);
4855             }
4856         }
4857         else if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
4858         {
4859             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin, FALSE);
4860         }
4861     }
4862 }
4863
4864
4865 void wxGrid::ProcessCornerLabelMouseEvent( wxMouseEvent& event )
4866 {
4867     if ( event.LeftDown() )
4868     {
4869         // indicate corner label by having both row and
4870         // col args == -1
4871         //
4872         if ( !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, -1, -1, event ) )
4873         {
4874             SelectAll();
4875         }
4876     }
4877
4878     else if ( event.LeftDClick() )
4879     {
4880         SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, -1, -1, event );
4881     }
4882
4883     else if ( event.RightDown() )
4884     {
4885         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, -1, -1, event ) )
4886         {
4887             // no default action at the moment
4888         }
4889     }
4890
4891     else if ( event.RightDClick() )
4892     {
4893         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, -1, -1, event ) )
4894         {
4895             // no default action at the moment
4896         }
4897     }
4898 }
4899
4900 void wxGrid::ChangeCursorMode(CursorMode mode,
4901                               wxWindow *win,
4902                               bool captureMouse)
4903 {
4904 #ifdef __WXDEBUG__
4905     static const wxChar *cursorModes[] =
4906     {
4907         _T("SELECT_CELL"),
4908         _T("RESIZE_ROW"),
4909         _T("RESIZE_COL"),
4910         _T("SELECT_ROW"),
4911         _T("SELECT_COL")
4912     };
4913
4914     wxLogTrace(_T("grid"),
4915                _T("wxGrid cursor mode (mouse capture for %s): %s -> %s"),
4916                win == m_colLabelWin ? _T("colLabelWin")
4917                                     : win ? _T("rowLabelWin")
4918                                           : _T("gridWin"),
4919                cursorModes[m_cursorMode], cursorModes[mode]);
4920 #endif // __WXDEBUG__
4921
4922     if ( mode == m_cursorMode &&
4923          win == m_winCapture &&
4924          captureMouse == (m_winCapture != NULL))
4925         return;
4926
4927     if ( !win )
4928     {
4929         // by default use the grid itself
4930         win = m_gridWin;
4931     }
4932
4933     if ( m_winCapture )
4934     {
4935         if (m_winCapture->HasCapture()) m_winCapture->ReleaseMouse();
4936         m_winCapture = (wxWindow *)NULL;
4937     }
4938
4939     m_cursorMode = mode;
4940
4941     switch ( m_cursorMode )
4942     {
4943         case WXGRID_CURSOR_RESIZE_ROW:
4944             win->SetCursor( m_rowResizeCursor );
4945             break;
4946
4947         case WXGRID_CURSOR_RESIZE_COL:
4948             win->SetCursor( m_colResizeCursor );
4949             break;
4950
4951         default:
4952             win->SetCursor( *wxSTANDARD_CURSOR );
4953     }
4954
4955     // we need to capture mouse when resizing
4956     bool resize = m_cursorMode == WXGRID_CURSOR_RESIZE_ROW ||
4957                   m_cursorMode == WXGRID_CURSOR_RESIZE_COL;
4958
4959     if ( captureMouse && resize )
4960     {
4961         win->CaptureMouse();
4962         m_winCapture = win;
4963     }
4964 }
4965
4966 void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
4967 {
4968     int x, y;
4969     wxPoint pos( event.GetPosition() );
4970     CalcUnscrolledPosition( pos.x, pos.y, &x, &y );
4971
4972     wxGridCellCoords coords;
4973     XYToCell( x, y, coords );
4974
4975     int cell_rows, cell_cols;
4976     GetCellSize( coords.GetRow(), coords.GetCol(), &cell_rows, &cell_cols );
4977     if ((cell_rows < 0) || (cell_cols < 0))
4978     {
4979         coords.SetRow(coords.GetRow() + cell_rows);
4980         coords.SetCol(coords.GetCol() + cell_cols);
4981     }
4982
4983     if ( event.Dragging() )
4984     {
4985         //wxLogDebug("pos(%d, %d) coords(%d, %d)", pos.x, pos.y, coords.GetRow(), coords.GetCol());
4986
4987         // Don't start doing anything until the mouse has been drug at
4988         // least 3 pixels in any direction...
4989         if (! m_isDragging)
4990         {
4991             if (m_startDragPos == wxDefaultPosition)
4992             {
4993                 m_startDragPos = pos;
4994                 return;
4995             }
4996             if (abs(m_startDragPos.x - pos.x) < 4 && abs(m_startDragPos.y - pos.y) < 4)
4997                 return;
4998         }
4999
5000         m_isDragging = TRUE;
5001         if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5002         {
5003             // Hide the edit control, so it
5004             // won't interfer with drag-shrinking.
5005             if ( IsCellEditControlShown() )
5006             {
5007                 HideCellEditControl();
5008                 SaveEditControlValue();
5009             }
5010
5011             // Have we captured the mouse yet?
5012             if (! m_winCapture)
5013             {
5014                 m_winCapture = m_gridWin;
5015                 m_winCapture->CaptureMouse();
5016             }
5017
5018             if ( coords != wxGridNoCellCoords )
5019             {
5020                 if ( event.ControlDown() )
5021                 {
5022                     if ( m_selectingKeyboard == wxGridNoCellCoords)
5023                         m_selectingKeyboard = coords;
5024                     HighlightBlock ( m_selectingKeyboard, coords );
5025                 }
5026                 else
5027                 {
5028                     if ( !IsSelection() )
5029                     {
5030                         HighlightBlock( coords, coords );
5031                     }
5032                     else
5033                     {
5034                         HighlightBlock( m_currentCellCoords, coords );
5035                     }
5036                 }
5037
5038                 if (! IsVisible(coords))
5039                 {
5040                     MakeCellVisible(coords);
5041                     // TODO: need to introduce a delay or something here.  The
5042                     // scrolling is way to fast, at least on MSW - also on GTK.
5043                 }
5044             }
5045         }
5046         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
5047         {
5048             int cw, ch, left, dummy;
5049             m_gridWin->GetClientSize( &cw, &ch );
5050             CalcUnscrolledPosition( 0, 0, &left, &dummy );
5051
5052             wxClientDC dc( m_gridWin );
5053             PrepareDC( dc );
5054             y = wxMax( y, GetRowTop(m_dragRowOrCol) +
5055                           GetRowMinimalHeight(m_dragRowOrCol) );
5056             dc.SetLogicalFunction(wxINVERT);
5057             if ( m_dragLastPos >= 0 )
5058             {
5059                 dc.DrawLine( left, m_dragLastPos, left+cw, m_dragLastPos );
5060             }
5061             dc.DrawLine( left, y, left+cw, y );
5062             m_dragLastPos = y;
5063         }
5064         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL )
5065         {
5066             int cw, ch, dummy, top;
5067             m_gridWin->GetClientSize( &cw, &ch );
5068             CalcUnscrolledPosition( 0, 0, &dummy, &top );
5069
5070             wxClientDC dc( m_gridWin );
5071             PrepareDC( dc );
5072             x = wxMax( x, GetColLeft(m_dragRowOrCol) +
5073                           GetColMinimalWidth(m_dragRowOrCol) );
5074             dc.SetLogicalFunction(wxINVERT);
5075             if ( m_dragLastPos >= 0 )
5076             {
5077                 dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top+ch );
5078             }
5079             dc.DrawLine( x, top, x, top+ch );
5080             m_dragLastPos = x;
5081         }
5082
5083         return;
5084     }
5085
5086     m_isDragging = FALSE;
5087     m_startDragPos = wxDefaultPosition;
5088
5089     // VZ: if we do this, the mode is reset to WXGRID_CURSOR_SELECT_CELL
5090     //     immediately after it becomes WXGRID_CURSOR_RESIZE_ROW/COL under
5091     //     wxGTK
5092 #if 0
5093     if ( event.Entering() || event.Leaving() )
5094     {
5095         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5096         m_gridWin->SetCursor( *wxSTANDARD_CURSOR );
5097     }
5098     else
5099 #endif // 0
5100
5101     // ------------ Left button pressed
5102     //
5103     if ( event.LeftDown() && coords != wxGridNoCellCoords )
5104     {
5105         if ( !SendEvent( wxEVT_GRID_CELL_LEFT_CLICK,
5106                        coords.GetRow(),
5107                        coords.GetCol(),
5108                        event ) )
5109         {
5110             if ( !event.ControlDown() )
5111                 ClearSelection();
5112             if ( event.ShiftDown() )
5113             {
5114                 if ( m_selection )
5115                 {
5116                     m_selection->SelectBlock( m_currentCellCoords.GetRow(),
5117                                               m_currentCellCoords.GetCol(),
5118                                               coords.GetRow(),
5119                                               coords.GetCol(),
5120                                               event.ControlDown(),
5121                                               event.ShiftDown(),
5122                                               event.AltDown(),
5123                                               event.MetaDown() );
5124                 }
5125             }
5126             else if ( XToEdgeOfCol(x) < 0  &&
5127                       YToEdgeOfRow(y) < 0 )
5128             {
5129                 DisableCellEditControl();
5130                 MakeCellVisible( coords );
5131
5132                 // if this is the second click on this cell then start
5133                 // the edit control
5134                 if ( m_waitForSlowClick &&
5135                      (coords == m_currentCellCoords) &&
5136                      CanEnableCellControl())
5137                 {
5138                     EnableCellEditControl();
5139
5140                     wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords);
5141                     wxGridCellEditor *editor = attr->GetEditor(this,
5142                                                                coords.GetRow(),
5143                                                                coords.GetCol());
5144                     editor->StartingClick();
5145                     editor->DecRef();
5146                     attr->DecRef();
5147
5148                     m_waitForSlowClick = FALSE;
5149                 }
5150                 else
5151                 {
5152                     if ( event.ControlDown() )
5153                     {
5154                         if ( m_selection )
5155                         {
5156                             m_selection->ToggleCellSelection( coords.GetRow(),
5157                                                               coords.GetCol(),
5158                                                               event.ControlDown(),
5159                                                               event.ShiftDown(),
5160                                                               event.AltDown(),
5161                                                               event.MetaDown() );
5162                         }
5163                         m_selectingTopLeft = wxGridNoCellCoords;
5164                         m_selectingBottomRight = wxGridNoCellCoords;
5165                         m_selectingKeyboard = coords;
5166                     }
5167                     else
5168                     {
5169                         SetCurrentCell( coords );
5170                         if ( m_selection )
5171                         {
5172                             if ( m_selection->GetSelectionMode() !=
5173                                     wxGrid::wxGridSelectCells )
5174                             {
5175                                 HighlightBlock( coords, coords );
5176                             }
5177                         }
5178                     }
5179                     m_waitForSlowClick = TRUE;
5180                 }
5181             }
5182         }
5183     }
5184
5185
5186     // ------------ Left double click
5187     //
5188     else if ( event.LeftDClick() && coords != wxGridNoCellCoords )
5189     {
5190         DisableCellEditControl();
5191
5192         if ( XToEdgeOfCol(x) < 0  &&  YToEdgeOfRow(y) < 0 )
5193         {
5194             SendEvent( wxEVT_GRID_CELL_LEFT_DCLICK,
5195                        coords.GetRow(),
5196                        coords.GetCol(),
5197                        event );
5198         }
5199     }
5200
5201
5202     // ------------ Left button released
5203     //
5204     else if ( event.LeftUp() )
5205     {
5206         if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5207         {
5208             if ( m_selectingTopLeft != wxGridNoCellCoords &&
5209                  m_selectingBottomRight != wxGridNoCellCoords )
5210             {
5211                 if (m_winCapture)
5212                 {
5213                     if (m_winCapture->HasCapture()) m_winCapture->ReleaseMouse();
5214                     m_winCapture = NULL;
5215                 }
5216
5217                 if ( m_selection )
5218                 {
5219                     m_selection->SelectBlock( m_selectingTopLeft.GetRow(),
5220                                               m_selectingTopLeft.GetCol(),
5221                                               m_selectingBottomRight.GetRow(),
5222                                               m_selectingBottomRight.GetCol(),
5223                                               event.ControlDown(),
5224                                               event.ShiftDown(),
5225                                               event.AltDown(),
5226                                               event.MetaDown() );
5227                 }
5228
5229                 m_selectingTopLeft = wxGridNoCellCoords;
5230                 m_selectingBottomRight = wxGridNoCellCoords;
5231             }
5232
5233             // Show the edit control, if it has been hidden for
5234             // drag-shrinking.
5235             ShowCellEditControl();
5236         }
5237         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
5238         {
5239             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5240             DoEndDragResizeRow();
5241
5242             // Note: we are ending the event *after* doing
5243             // default processing in this case
5244             //
5245             SendEvent( wxEVT_GRID_ROW_SIZE, m_dragRowOrCol, -1, event );
5246         }
5247         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL )
5248         {
5249             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5250             DoEndDragResizeCol();
5251
5252             // Note: we are ending the event *after* doing
5253             // default processing in this case
5254             //
5255             SendEvent( wxEVT_GRID_COL_SIZE, -1, m_dragRowOrCol, event );
5256         }
5257
5258         m_dragLastPos = -1;
5259     }
5260
5261
5262     // ------------ Right button down
5263     //
5264     else if ( event.RightDown() && coords != wxGridNoCellCoords )
5265     {
5266         DisableCellEditControl();
5267         if ( !SendEvent( wxEVT_GRID_CELL_RIGHT_CLICK,
5268                          coords.GetRow(),
5269                          coords.GetCol(),
5270                          event ) )
5271         {
5272             // no default action at the moment
5273         }
5274     }
5275
5276
5277     // ------------ Right double click
5278     //
5279     else if ( event.RightDClick() && coords != wxGridNoCellCoords )
5280     {
5281         DisableCellEditControl();
5282         if ( !SendEvent( wxEVT_GRID_CELL_RIGHT_DCLICK,
5283                          coords.GetRow(),
5284                          coords.GetCol(),
5285                          event ) )
5286         {
5287             // no default action at the moment
5288         }
5289     }
5290
5291     // ------------ Moving and no button action
5292     //
5293     else if ( event.Moving() && !event.IsButton() )
5294     {
5295         int dragRow = YToEdgeOfRow( y );
5296         int dragCol = XToEdgeOfCol( x );
5297
5298         // Dragging on the corner of a cell to resize in both
5299         // directions is not implemented yet...
5300         //
5301         if ( dragRow >= 0  &&  dragCol >= 0 )
5302         {
5303             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5304             return;
5305         }
5306
5307         if ( dragRow >= 0 )
5308         {
5309             m_dragRowOrCol = dragRow;
5310
5311             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5312             {
5313                 if ( CanDragRowSize() && CanDragGridSize() )
5314                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW);
5315             }
5316
5317             if ( dragCol >= 0 )
5318             {
5319                 m_dragRowOrCol = dragCol;
5320             }
5321
5322             return;
5323         }
5324
5325         if ( dragCol >= 0 )
5326         {
5327             m_dragRowOrCol = dragCol;
5328
5329             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5330             {
5331                 if ( CanDragColSize() && CanDragGridSize() )
5332                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL);
5333             }
5334
5335             return;
5336         }
5337
5338         // Neither on a row or col edge
5339         //
5340         if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
5341         {
5342             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5343         }
5344     }
5345 }
5346
5347
5348 void wxGrid::DoEndDragResizeRow()
5349 {
5350     if ( m_dragLastPos >= 0 )
5351     {
5352         // erase the last line and resize the row
5353         //
5354         int cw, ch, left, dummy;
5355         m_gridWin->GetClientSize( &cw, &ch );
5356         CalcUnscrolledPosition( 0, 0, &left, &dummy );
5357
5358         wxClientDC dc( m_gridWin );
5359         PrepareDC( dc );
5360         dc.SetLogicalFunction( wxINVERT );
5361         dc.DrawLine( left, m_dragLastPos, left+cw, m_dragLastPos );
5362         HideCellEditControl();
5363         SaveEditControlValue();
5364
5365         int rowTop = GetRowTop(m_dragRowOrCol);
5366         SetRowSize( m_dragRowOrCol,
5367                     wxMax( m_dragLastPos - rowTop, WXGRID_MIN_ROW_HEIGHT ) );
5368
5369         if ( !GetBatchCount() )
5370         {
5371             // Only needed to get the correct rect.y:
5372             wxRect rect ( CellToRect( m_dragRowOrCol, 0 ) );
5373             rect.x = 0;
5374             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
5375             rect.width = m_rowLabelWidth;
5376             rect.height = ch - rect.y;
5377             m_rowLabelWin->Refresh( TRUE, &rect );
5378             rect.width = cw;
5379             // if there is a multicell block, paint all of it
5380             if (m_table)
5381             {
5382                 int i, cell_rows, cell_cols, subtract_rows = 0;
5383                 int leftCol = XToCol(left);
5384                 int rightCol = XToCol(left+cw);
5385                 if (leftCol >= 0)
5386                 {
5387                     if (rightCol < 0) rightCol = m_numCols;
5388                     for (i=leftCol; i<rightCol; i++)
5389                     {
5390                         GetCellSize(m_dragRowOrCol, i, &cell_rows, &cell_cols);
5391                         if (cell_rows < subtract_rows)
5392                             subtract_rows = cell_rows;
5393                     }
5394                     rect.y = GetRowTop(m_dragRowOrCol + subtract_rows);
5395                     CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
5396                     rect.height = ch - rect.y;
5397                 }
5398             }
5399             m_gridWin->Refresh( FALSE, &rect );
5400         }
5401
5402         ShowCellEditControl();
5403     }
5404 }
5405
5406
5407 void wxGrid::DoEndDragResizeCol()
5408 {
5409     if ( m_dragLastPos >= 0 )
5410     {
5411         // erase the last line and resize the col
5412         //
5413         int cw, ch, dummy, top;
5414         m_gridWin->GetClientSize( &cw, &ch );
5415         CalcUnscrolledPosition( 0, 0, &dummy, &top );
5416
5417         wxClientDC dc( m_gridWin );
5418         PrepareDC( dc );
5419         dc.SetLogicalFunction( wxINVERT );
5420         dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top+ch );
5421         HideCellEditControl();
5422         SaveEditControlValue();
5423
5424         int colLeft = GetColLeft(m_dragRowOrCol);
5425         SetColSize( m_dragRowOrCol,
5426                     wxMax( m_dragLastPos - colLeft,
5427                            GetColMinimalWidth(m_dragRowOrCol) ) );
5428
5429         if ( !GetBatchCount() )
5430         {
5431             // Only needed to get the correct rect.x:
5432             wxRect rect ( CellToRect( 0, m_dragRowOrCol ) );
5433             rect.y = 0;
5434             CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
5435             rect.width = cw - rect.x;
5436             rect.height = m_colLabelHeight;
5437             m_colLabelWin->Refresh( TRUE, &rect );
5438             rect.height = ch;
5439             // if there is a multicell block, paint all of it
5440             if (m_table)
5441             {
5442                 int i, cell_rows, cell_cols, subtract_cols = 0;
5443                 int topRow = YToRow(top);
5444                 int bottomRow = YToRow(top+cw);
5445                 if (topRow >= 0)
5446                 {
5447                     if (bottomRow < 0) bottomRow = m_numRows;
5448                     for (i=topRow; i<bottomRow; i++)
5449                     {
5450                         GetCellSize(i, m_dragRowOrCol, &cell_rows, &cell_cols);
5451                         if (cell_cols < subtract_cols)
5452                             subtract_cols = cell_cols;
5453                     }
5454                     rect.x = GetColLeft(m_dragRowOrCol + subtract_cols);
5455                     CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
5456                     rect.width = cw - rect.x;
5457                 }
5458             }
5459             m_gridWin->Refresh( FALSE, &rect );
5460         }
5461
5462         ShowCellEditControl();
5463     }
5464 }
5465
5466
5467
5468 //
5469 // ------ interaction with data model
5470 //
5471 bool wxGrid::ProcessTableMessage( wxGridTableMessage& msg )
5472 {
5473     switch ( msg.GetId() )
5474     {
5475         case wxGRIDTABLE_REQUEST_VIEW_GET_VALUES:
5476             return GetModelValues();
5477
5478         case wxGRIDTABLE_REQUEST_VIEW_SEND_VALUES:
5479             return SetModelValues();
5480
5481         case wxGRIDTABLE_NOTIFY_ROWS_INSERTED:
5482         case wxGRIDTABLE_NOTIFY_ROWS_APPENDED:
5483         case wxGRIDTABLE_NOTIFY_ROWS_DELETED:
5484         case wxGRIDTABLE_NOTIFY_COLS_INSERTED:
5485         case wxGRIDTABLE_NOTIFY_COLS_APPENDED:
5486         case wxGRIDTABLE_NOTIFY_COLS_DELETED:
5487             return Redimension( msg );
5488
5489         default:
5490             return FALSE;
5491     }
5492 }
5493
5494
5495
5496 // The behaviour of this function depends on the grid table class
5497 // Clear() function.  For the default wxGridStringTable class the
5498 // behavious is to replace all cell contents with wxEmptyString but
5499 // not to change the number of rows or cols.
5500 //
5501 void wxGrid::ClearGrid()
5502 {
5503     if ( m_table )
5504     {
5505         if (IsCellEditControlEnabled())
5506             DisableCellEditControl();
5507
5508         m_table->Clear();
5509         if ( !GetBatchCount() ) m_gridWin->Refresh();
5510     }
5511 }
5512
5513
5514 bool wxGrid::InsertRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
5515 {
5516     // TODO: something with updateLabels flag
5517
5518     if ( !m_created )
5519     {
5520         wxFAIL_MSG( wxT("Called wxGrid::InsertRows() before calling CreateGrid()") );
5521         return FALSE;
5522     }
5523
5524     if ( m_table )
5525     {
5526         if (IsCellEditControlEnabled())
5527             DisableCellEditControl();
5528
5529         return m_table->InsertRows( pos, numRows );
5530
5531         // the table will have sent the results of the insert row
5532         // operation to this view object as a grid table message
5533     }
5534     return FALSE;
5535 }
5536
5537
5538 bool wxGrid::AppendRows( int numRows, bool WXUNUSED(updateLabels) )
5539 {
5540     // TODO: something with updateLabels flag
5541
5542     if ( !m_created )
5543     {
5544         wxFAIL_MSG( wxT("Called wxGrid::AppendRows() before calling CreateGrid()") );
5545         return FALSE;
5546     }
5547
5548     return ( m_table && m_table->AppendRows( numRows ) );
5549     // the table will have sent the results of the append row
5550     // operation to this view object as a grid table message
5551 }
5552
5553
5554 bool wxGrid::DeleteRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
5555 {
5556     // TODO: something with updateLabels flag
5557
5558     if ( !m_created )
5559     {
5560         wxFAIL_MSG( wxT("Called wxGrid::DeleteRows() before calling CreateGrid()") );
5561         return FALSE;
5562     }
5563
5564     if ( m_table )
5565     {
5566         if (IsCellEditControlEnabled())
5567             DisableCellEditControl();
5568
5569         return (m_table->DeleteRows( pos, numRows ));
5570         // the table will have sent the results of the delete row
5571         // operation to this view object as a grid table message
5572     }
5573     return FALSE;
5574 }
5575
5576
5577 bool wxGrid::InsertCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
5578 {
5579     // TODO: something with updateLabels flag
5580
5581     if ( !m_created )
5582     {
5583         wxFAIL_MSG( wxT("Called wxGrid::InsertCols() before calling CreateGrid()") );
5584         return FALSE;
5585     }
5586
5587     if ( m_table )
5588     {
5589         if (IsCellEditControlEnabled())
5590             DisableCellEditControl();
5591
5592         return m_table->InsertCols( pos, numCols );
5593         // the table will have sent the results of the insert col
5594         // operation to this view object as a grid table message
5595     }
5596     return FALSE;
5597 }
5598
5599
5600 bool wxGrid::AppendCols( int numCols, bool WXUNUSED(updateLabels) )
5601 {
5602     // TODO: something with updateLabels flag
5603
5604     if ( !m_created )
5605     {
5606         wxFAIL_MSG( wxT("Called wxGrid::AppendCols() before calling CreateGrid()") );
5607         return FALSE;
5608     }
5609
5610     return ( m_table && m_table->AppendCols( numCols ) );
5611     // the table will have sent the results of the append col
5612     // operation to this view object as a grid table message
5613 }
5614
5615
5616 bool wxGrid::DeleteCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
5617 {
5618     // TODO: something with updateLabels flag
5619
5620     if ( !m_created )
5621     {
5622         wxFAIL_MSG( wxT("Called wxGrid::DeleteCols() before calling CreateGrid()") );
5623         return FALSE;
5624     }
5625
5626     if ( m_table )
5627     {
5628         if (IsCellEditControlEnabled())
5629             DisableCellEditControl();
5630
5631         return ( m_table->DeleteCols( pos, numCols ) );
5632         // the table will have sent the results of the delete col
5633         // operation to this view object as a grid table message
5634     }
5635     return FALSE;
5636 }
5637
5638
5639
5640 //
5641 // ----- event handlers
5642 //
5643
5644 // Generate a grid event based on a mouse event and
5645 // return the result of ProcessEvent()
5646 //
5647 int wxGrid::SendEvent( const wxEventType type,
5648                         int row, int col,
5649                         wxMouseEvent& mouseEv )
5650 {
5651    bool claimed;
5652    bool vetoed= FALSE;
5653
5654    if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE )
5655    {
5656        int rowOrCol = (row == -1 ? col : row);
5657
5658        wxGridSizeEvent gridEvt( GetId(),
5659                type,
5660                this,
5661                rowOrCol,
5662                mouseEv.GetX() + GetRowLabelSize(),
5663                mouseEv.GetY() + GetColLabelSize(),
5664                mouseEv.ControlDown(),
5665                mouseEv.ShiftDown(),
5666                mouseEv.AltDown(),
5667                mouseEv.MetaDown() );
5668
5669        claimed = GetEventHandler()->ProcessEvent(gridEvt);
5670        vetoed = !gridEvt.IsAllowed();
5671    }
5672    else if ( type == wxEVT_GRID_RANGE_SELECT )
5673    {
5674        // Right now, it should _never_ end up here!
5675        wxGridRangeSelectEvent gridEvt( GetId(),
5676                type,
5677                this,
5678                m_selectingTopLeft,
5679                m_selectingBottomRight,
5680                TRUE,
5681                mouseEv.ControlDown(),
5682                mouseEv.ShiftDown(),
5683                mouseEv.AltDown(),
5684                mouseEv.MetaDown() );
5685
5686        claimed = GetEventHandler()->ProcessEvent(gridEvt);
5687        vetoed = !gridEvt.IsAllowed();
5688    }
5689    else
5690    {
5691        wxGridEvent gridEvt( GetId(),
5692                type,
5693                this,
5694                row, col,
5695                mouseEv.GetX() + GetRowLabelSize(),
5696                mouseEv.GetY() + GetColLabelSize(),
5697                FALSE,
5698                mouseEv.ControlDown(),
5699                mouseEv.ShiftDown(),
5700                mouseEv.AltDown(),
5701                mouseEv.MetaDown() );
5702        claimed = GetEventHandler()->ProcessEvent(gridEvt);
5703        vetoed = !gridEvt.IsAllowed();
5704    }
5705
5706    // A Veto'd event may not be `claimed' so test this first
5707    if (vetoed) return -1;
5708    return claimed ? 1 : 0;
5709 }
5710
5711
5712 // Generate a grid event of specified type and return the result
5713 // of ProcessEvent().
5714 //
5715 int wxGrid::SendEvent( const wxEventType type,
5716                         int row, int col )
5717 {
5718    bool claimed;
5719    bool vetoed= FALSE;
5720
5721     if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE )
5722     {
5723         int rowOrCol = (row == -1 ? col : row);
5724
5725         wxGridSizeEvent gridEvt( GetId(),
5726                                  type,
5727                                  this,
5728                                  rowOrCol );
5729
5730         claimed = GetEventHandler()->ProcessEvent(gridEvt);
5731         vetoed  = !gridEvt.IsAllowed();
5732     }
5733     else
5734     {
5735         wxGridEvent gridEvt( GetId(),
5736                              type,
5737                              this,
5738                              row, col );
5739
5740         claimed = GetEventHandler()->ProcessEvent(gridEvt);
5741         vetoed  = !gridEvt.IsAllowed();
5742      }
5743
5744     // A Veto'd event may not be `claimed' so test this first
5745     if (vetoed) return -1;
5746     return claimed ? 1 : 0;
5747 }
5748
5749
5750 void wxGrid::OnPaint( wxPaintEvent& WXUNUSED(event) )
5751 {
5752     wxPaintDC dc(this);  // needed to prevent zillions of paint events on MSW
5753 }
5754
5755 void wxGrid::Refresh(bool eraseb, wxRect* rect)
5756 {
5757     // Don't do anything if between Begin/EndBatch...
5758     // EndBatch() will do all this on the last nested one anyway.
5759     if (! GetBatchCount())
5760     {
5761         wxScrolledWindow::Refresh(eraseb,rect);
5762
5763         int off_x=0 ,off_y=0;
5764         wxRect * anotherrect = NULL ;
5765
5766         if (rect)
5767         {
5768             //Copy rectangle can get scroll offsets..
5769             anotherrect = new wxRect(*rect);
5770             CalcScrolledPosition( 0, 0, &off_x, &off_y );
5771         }
5772         //Corner label Doesn't move from the origin.
5773         m_cornerLabelWin->Refresh(eraseb,rect);
5774
5775         //Move Rect down for row labels...
5776         if (rect)
5777             rect->Offset(0,off_y);
5778         m_rowLabelWin->Refresh(eraseb,rect);
5779
5780         //Move rect copy along for col labels...
5781         if (anotherrect)
5782             anotherrect->Offset(off_x,0);
5783         m_colLabelWin->Refresh(eraseb,anotherrect);
5784
5785         //Move main rect along (so it's down and across!)
5786         //  for cell window.
5787         if (rect)
5788             rect->Offset(off_x,0);
5789         m_gridWin->Refresh(eraseb,rect);
5790     }
5791 }
5792
5793 void wxGrid::OnSize( wxSizeEvent& event )
5794 {
5795     // position the child windows
5796     CalcWindowSizes();
5797
5798     // don't call CalcDimensions() from here, the base class handles the size
5799     // changes itself
5800     event.Skip();
5801 }
5802
5803
5804 void wxGrid::OnKeyDown( wxKeyEvent& event )
5805 {
5806     if ( m_inOnKeyDown )
5807     {
5808         // shouldn't be here - we are going round in circles...
5809         //
5810         wxFAIL_MSG( wxT("wxGrid::OnKeyDown called while already active") );
5811     }
5812
5813     m_inOnKeyDown = TRUE;
5814
5815     // propagate the event up and see if it gets processed
5816     //
5817     wxWindow *parent = GetParent();
5818     wxKeyEvent keyEvt( event );
5819     keyEvt.SetEventObject( parent );
5820
5821     if ( !parent->GetEventHandler()->ProcessEvent( keyEvt ) )
5822     {
5823
5824         // try local handlers
5825         //
5826         switch ( event.KeyCode() )
5827         {
5828             case WXK_UP:
5829                 if ( event.ControlDown() )
5830                 {
5831                     MoveCursorUpBlock( event.ShiftDown() );
5832                 }
5833                 else
5834                 {
5835                     MoveCursorUp( event.ShiftDown() );
5836                 }
5837                 break;
5838
5839             case WXK_DOWN:
5840                 if ( event.ControlDown() )
5841                 {
5842                     MoveCursorDownBlock( event.ShiftDown() );
5843                 }
5844                 else
5845                 {
5846                     MoveCursorDown( event.ShiftDown() );
5847                 }
5848                 break;
5849
5850             case WXK_LEFT:
5851                 if ( event.ControlDown() )
5852                 {
5853                     MoveCursorLeftBlock( event.ShiftDown() );
5854                 }
5855                 else
5856                 {
5857                     MoveCursorLeft( event.ShiftDown() );
5858                 }
5859                 break;
5860
5861             case WXK_RIGHT:
5862                 if ( event.ControlDown() )
5863                 {
5864                     MoveCursorRightBlock( event.ShiftDown() );
5865                 }
5866                 else
5867                 {
5868                     MoveCursorRight( event.ShiftDown() );
5869                 }
5870                 break;
5871
5872             case WXK_RETURN:
5873             case WXK_NUMPAD_ENTER:
5874                 if ( event.ControlDown() )
5875                 {
5876                     event.Skip();  // to let the edit control have the return
5877                 }
5878                 else
5879                 {
5880                     if ( GetGridCursorRow() < GetNumberRows()-1 )
5881                     {
5882                         MoveCursorDown( event.ShiftDown() );
5883                     }
5884                     else
5885                     {
5886                         // at the bottom of a column
5887                         HideCellEditControl();
5888                         SaveEditControlValue();
5889                     }
5890                 }
5891                 break;
5892
5893             case WXK_ESCAPE:
5894                 ClearSelection();
5895                 break;
5896
5897             case WXK_TAB:
5898                 if (event.ShiftDown())
5899                 {
5900                     if ( GetGridCursorCol() > 0 )
5901                     {
5902                         MoveCursorLeft( FALSE );
5903                     }
5904                     else
5905                     {
5906                         // at left of grid
5907                         HideCellEditControl();
5908                         SaveEditControlValue();
5909                     }
5910                 }
5911                 else
5912                 {
5913                     if ( GetGridCursorCol() < GetNumberCols()-1 )
5914                     {
5915                         MoveCursorRight( FALSE );
5916                     }
5917                     else
5918                     {
5919                         // at right of grid
5920                         HideCellEditControl();
5921                         SaveEditControlValue();
5922                     }
5923                 }
5924                 break;
5925
5926             case WXK_HOME:
5927                 if ( event.ControlDown() )
5928                 {
5929                     MakeCellVisible( 0, 0 );
5930                     SetCurrentCell( 0, 0 );
5931                 }
5932                 else
5933                 {
5934                     event.Skip();
5935                 }
5936                 break;
5937
5938             case WXK_END:
5939                 if ( event.ControlDown() )
5940                 {
5941                     MakeCellVisible( m_numRows-1, m_numCols-1 );
5942                     SetCurrentCell( m_numRows-1, m_numCols-1 );
5943                 }
5944                 else
5945                 {
5946                     event.Skip();
5947                 }
5948                 break;
5949
5950             case WXK_PRIOR:
5951                 MovePageUp();
5952                 break;
5953
5954             case WXK_NEXT:
5955                 MovePageDown();
5956                 break;
5957
5958             case WXK_SPACE:
5959                 if ( event.ControlDown() )
5960                 {
5961                     if ( m_selection )
5962                     {
5963                         m_selection->ToggleCellSelection( m_currentCellCoords.GetRow(),
5964                                                           m_currentCellCoords.GetCol(),
5965                                                           event.ControlDown(),
5966                                                           event.ShiftDown(),
5967                                                           event.AltDown(),
5968                                                           event.MetaDown() );
5969                     }
5970                     break;
5971                 }
5972                 if ( !IsEditable() )
5973                 {
5974                     MoveCursorRight( FALSE );
5975                     break;
5976                 }
5977                 // Otherwise fall through to default
5978
5979             default:
5980                 // is it possible to edit the current cell at all?
5981                 if ( !IsCellEditControlEnabled() && CanEnableCellControl() )
5982                 {
5983                     // yes, now check whether the cells editor accepts the key
5984                     int row = m_currentCellCoords.GetRow();
5985                     int col = m_currentCellCoords.GetCol();
5986                     wxGridCellAttr* attr = GetCellAttr(row, col);
5987                     wxGridCellEditor *editor = attr->GetEditor(this, row, col);
5988
5989                     // <F2> is special and will always start editing, for
5990                     // other keys - ask the editor itself
5991                     if ( (event.KeyCode() == WXK_F2 && !event.HasModifiers())
5992                          || editor->IsAcceptedKey(event) )
5993                     {
5994                         EnableCellEditControl();
5995
5996                         // the editor could be not shown for a variety of
5997                         // reasons (i.e. blocked by the app or whatever), so
5998                         // check if it really was created
5999                         if ( m_cellEditCtrlEnabled )
6000                         {
6001                             editor->StartingKey(event);
6002                         }
6003                     }
6004                     else
6005                     {
6006                         event.Skip();
6007                     }
6008
6009                     editor->DecRef();
6010                     attr->DecRef();
6011                 }
6012                 else
6013                 {
6014                     // let others process char events with modifiers or all
6015                     // char events for readonly cells
6016                     event.Skip();
6017                 }
6018                 break;
6019         }
6020     }
6021
6022     m_inOnKeyDown = FALSE;
6023 }
6024
6025 void wxGrid::OnKeyUp( wxKeyEvent& event )
6026 {
6027     // try local handlers
6028     //
6029     if ( event.KeyCode() == WXK_SHIFT )
6030     {
6031         if ( m_selectingTopLeft != wxGridNoCellCoords &&
6032              m_selectingBottomRight != wxGridNoCellCoords )
6033         {
6034             if ( m_selection )
6035             {
6036                 m_selection->SelectBlock( m_selectingTopLeft.GetRow(),
6037                                           m_selectingTopLeft.GetCol(),
6038                                           m_selectingBottomRight.GetRow(),
6039                                           m_selectingBottomRight.GetCol(),
6040                                           event.ControlDown(),
6041                                           TRUE,
6042                                           event.AltDown(),
6043                                           event.MetaDown() );
6044             }
6045         }
6046
6047         m_selectingTopLeft = wxGridNoCellCoords;
6048         m_selectingBottomRight = wxGridNoCellCoords;
6049         m_selectingKeyboard = wxGridNoCellCoords;
6050     }
6051 }
6052
6053 void wxGrid::OnEraseBackground(wxEraseEvent&)
6054 {
6055 }
6056
6057 void wxGrid::SetCurrentCell( const wxGridCellCoords& coords )
6058 {
6059     if ( SendEvent( wxEVT_GRID_SELECT_CELL, coords.GetRow(), coords.GetCol() ) )
6060     {
6061         // the event has been intercepted - do nothing
6062         return;
6063     }
6064
6065     wxClientDC dc(m_gridWin);
6066     PrepareDC(dc);
6067
6068     if ( m_currentCellCoords != wxGridNoCellCoords )
6069     {
6070         HideCellEditControl();
6071         DisableCellEditControl();
6072
6073         if ( IsVisible( m_currentCellCoords, FALSE ) )
6074         {
6075             wxRect r;
6076             r = BlockToDeviceRect(m_currentCellCoords, m_currentCellCoords);
6077             if ( !m_gridLinesEnabled )
6078             {
6079                 r.x--;
6080                 r.y--;
6081                 r.width++;
6082                 r.height++;
6083             }
6084
6085             wxGridCellCoordsArray cells = CalcCellsExposed( r );
6086
6087             // Otherwise refresh redraws the highlight!
6088             m_currentCellCoords = coords;
6089
6090             DrawGridCellArea(dc,cells);
6091             DrawAllGridLines( dc, r );
6092         }
6093     }
6094
6095     m_currentCellCoords = coords;
6096
6097     wxGridCellAttr* attr = GetCellAttr(coords);
6098     DrawCellHighlight(dc, attr);
6099     attr->DecRef();
6100 }
6101
6102
6103 void wxGrid::HighlightBlock( int topRow, int leftCol, int bottomRow, int rightCol )
6104 {
6105     int temp;
6106     wxGridCellCoords updateTopLeft, updateBottomRight;
6107
6108     if ( m_selection )
6109     {
6110         if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectRows )
6111         {
6112             leftCol = 0;
6113             rightCol = GetNumberCols() - 1;
6114         }
6115         else if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectColumns )
6116         {
6117             topRow = 0;
6118             bottomRow = GetNumberRows() - 1;
6119         }
6120     }
6121
6122     if ( topRow > bottomRow )
6123     {
6124         temp = topRow;
6125         topRow = bottomRow;
6126         bottomRow = temp;
6127     }
6128
6129     if ( leftCol > rightCol )
6130     {
6131         temp = leftCol;
6132         leftCol = rightCol;
6133         rightCol = temp;
6134     }
6135
6136     updateTopLeft = wxGridCellCoords( topRow, leftCol );
6137     updateBottomRight = wxGridCellCoords( bottomRow, rightCol );
6138
6139     // First the case that we selected a completely new area
6140     if ( m_selectingTopLeft == wxGridNoCellCoords ||
6141          m_selectingBottomRight == wxGridNoCellCoords )
6142     {
6143         wxRect rect;
6144         rect = BlockToDeviceRect( wxGridCellCoords ( topRow, leftCol ),
6145                                   wxGridCellCoords ( bottomRow, rightCol ) );
6146         m_gridWin->Refresh( FALSE, &rect );
6147     }
6148     // Now handle changing an existing selection area.
6149     else if ( m_selectingTopLeft != updateTopLeft ||
6150               m_selectingBottomRight != updateBottomRight )
6151     {
6152         // Compute two optimal update rectangles:
6153         // Either one rectangle is a real subset of the
6154         // other, or they are (almost) disjoint!
6155         wxRect  rect[4];
6156         bool    need_refresh[4];
6157         need_refresh[0] =
6158         need_refresh[1] =
6159         need_refresh[2] =
6160         need_refresh[3] = FALSE;
6161         int     i;
6162
6163         // Store intermediate values
6164         wxCoord oldLeft   = m_selectingTopLeft.GetCol();
6165         wxCoord oldTop    = m_selectingTopLeft.GetRow();
6166         wxCoord oldRight  = m_selectingBottomRight.GetCol();
6167         wxCoord oldBottom = m_selectingBottomRight.GetRow();
6168
6169         // Determine the outer/inner coordinates.
6170         if (oldLeft > leftCol)
6171         {
6172             temp = oldLeft;
6173             oldLeft = leftCol;
6174             leftCol = temp;
6175         }
6176         if (oldTop > topRow )
6177         {
6178             temp = oldTop;
6179             oldTop = topRow;
6180             topRow = temp;
6181         }
6182         if (oldRight < rightCol )
6183         {
6184             temp = oldRight;
6185             oldRight = rightCol;
6186             rightCol = temp;
6187         }
6188         if (oldBottom < bottomRow)
6189         {
6190             temp = oldBottom;
6191             oldBottom = bottomRow;
6192             bottomRow = temp;
6193         }
6194
6195         // Now, either the stuff marked old is the outer
6196         // rectangle or we don't have a situation where one
6197         // is contained in the other.
6198
6199         if ( oldLeft < leftCol )
6200         {
6201             // Refresh the newly selected or deselected
6202             // area to the left of the old or new selection.
6203             need_refresh[0] = TRUE;
6204             rect[0] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
6205                                                             oldLeft ),
6206                                          wxGridCellCoords ( oldBottom,
6207                                                             leftCol - 1 ) );
6208         }
6209
6210         if ( oldTop  < topRow )
6211         {
6212             // Refresh the newly selected or deselected
6213             // area above the old or new selection.
6214             need_refresh[1] = TRUE;
6215             rect[1] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
6216                                                             leftCol ),
6217                                          wxGridCellCoords ( topRow - 1,
6218                                                             rightCol ) );
6219         }
6220
6221         if ( oldRight > rightCol )
6222         {
6223             // Refresh the newly selected or deselected
6224             // area to the right of the old or new selection.
6225             need_refresh[2] = TRUE;
6226             rect[2] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
6227                                                             rightCol + 1 ),
6228                                          wxGridCellCoords ( oldBottom,
6229                                                             oldRight ) );
6230         }
6231
6232         if ( oldBottom > bottomRow )
6233         {
6234             // Refresh the newly selected or deselected
6235             // area below the old or new selection.
6236             need_refresh[3] = TRUE;
6237             rect[3] = BlockToDeviceRect( wxGridCellCoords ( bottomRow + 1,
6238                                                             leftCol ),
6239                                          wxGridCellCoords ( oldBottom,
6240                                                             rightCol ) );
6241         }
6242
6243         // various Refresh() calls
6244         for (i = 0; i < 4; i++ )
6245             if ( need_refresh[i] && rect[i] != wxGridNoCellRect )
6246                 m_gridWin->Refresh( FALSE, &(rect[i]) );
6247     }
6248     // Change Selection
6249     m_selectingTopLeft = updateTopLeft;
6250     m_selectingBottomRight = updateBottomRight;
6251 }
6252
6253 //
6254 // ------ functions to get/send data (see also public functions)
6255 //
6256
6257 bool wxGrid::GetModelValues()
6258 {
6259     if ( m_table )
6260     {
6261         // all we need to do is repaint the grid
6262         //
6263         m_gridWin->Refresh();
6264         return TRUE;
6265     }
6266
6267     return FALSE;
6268 }
6269
6270
6271 bool wxGrid::SetModelValues()
6272 {
6273     int row, col;
6274
6275     if ( m_table )
6276     {
6277         for ( row = 0;  row < m_numRows;  row++ )
6278         {
6279             for ( col = 0;  col < m_numCols;  col++ )
6280             {
6281                 m_table->SetValue( row, col, GetCellValue(row, col) );
6282             }
6283         }
6284
6285         return TRUE;
6286     }
6287
6288     return FALSE;
6289 }
6290
6291
6292
6293 // Note - this function only draws cells that are in the list of
6294 // exposed cells (usually set from the update region by
6295 // CalcExposedCells)
6296 //
6297 void wxGrid::DrawGridCellArea( wxDC& dc, const wxGridCellCoordsArray& cells )
6298 {
6299     if ( !m_numRows || !m_numCols ) return;
6300
6301     int i, j, k, l, numCells = cells.GetCount();
6302     int row, col, cell_rows, cell_cols;
6303     wxGridCellCoordsArray redrawCells;
6304
6305     for ( i = numCells-1; i >= 0;  i-- )
6306     {
6307         row = cells[i].GetRow();
6308         col = cells[i].GetCol();
6309         GetCellSize( row, col, &cell_rows, &cell_cols );
6310
6311         // If this cell is part of a multicell block, find owner for repaint
6312         if ( cell_rows <= 0 || cell_cols <= 0 )
6313         {
6314             wxGridCellCoords cell(row+cell_rows, col+cell_cols);
6315             bool marked = FALSE;
6316             for ( j = 0;  j < numCells;  j++ )
6317             {
6318                 if ( cell == cells[j] )
6319                 {
6320                     marked = TRUE;
6321                     break;
6322                 }
6323             }
6324             if (!marked)
6325             {
6326                 int count = redrawCells.GetCount();
6327                 for (j = 0; j < count; j++)
6328                 {
6329                     if ( cell == redrawCells[j] )
6330                     {
6331                         marked = TRUE;
6332                         break;
6333                     }
6334                 }
6335                 if (!marked) redrawCells.Add( cell );
6336             }
6337             continue; // don't bother drawing this cell
6338         }
6339
6340         // If this cell is empty, find cell to left that might want to overflow
6341         if (m_table && m_table->IsEmptyCell(row, col))
6342         {
6343             for ( l = 0; l < cell_rows; l++ )
6344             {
6345                 for (j = col-1; j >= 0; j--)
6346                 {
6347                     if (!m_table->IsEmptyCell(row+l, j))
6348                     {
6349                         if (GetCellOverflow(row+l, j))
6350                         {
6351                             wxGridCellCoords cell(row+l, j);
6352                             bool marked = FALSE;
6353
6354                             for (k = 0; k < numCells; k++)
6355                             {
6356                                 if ( cell == cells[k] )
6357                                 {
6358                                     marked = TRUE;
6359                                     break;
6360                                 }
6361                             }
6362                             if (!marked)
6363                             {
6364                                 int count = redrawCells.GetCount();
6365                                 for (k = 0; k < count; k++)
6366                                 {
6367                                     if ( cell == redrawCells[k] )
6368                                     {
6369                                         marked = TRUE;
6370                                         break;
6371                                     }
6372                                 }
6373                                 if (!marked) redrawCells.Add( cell );
6374                             }
6375                         }
6376                         break;
6377                     }
6378                 }
6379             }
6380         }
6381         DrawCell( dc, cells[i] );
6382     }
6383
6384     numCells = redrawCells.GetCount();
6385
6386     for ( i = numCells - 1; i >= 0;  i-- )
6387     {
6388         DrawCell( dc, redrawCells[i] );
6389     }
6390 }
6391
6392
6393 void wxGrid::DrawGridSpace( wxDC& dc )
6394 {
6395   int cw, ch;
6396   m_gridWin->GetClientSize( &cw, &ch );
6397
6398   int right, bottom;
6399   CalcUnscrolledPosition( cw, ch, &right, &bottom );
6400
6401   int rightCol = m_numCols > 0 ? GetColRight(m_numCols - 1) : 0;
6402   int bottomRow = m_numRows > 0 ? GetRowBottom(m_numRows - 1) : 0 ;
6403
6404   if ( right > rightCol || bottom > bottomRow )
6405   {
6406       int left, top;
6407       CalcUnscrolledPosition( 0, 0, &left, &top );
6408
6409       dc.SetBrush( wxBrush(GetDefaultCellBackgroundColour(), wxSOLID) );
6410       dc.SetPen( *wxTRANSPARENT_PEN );
6411
6412       if ( right > rightCol )
6413       {
6414           dc.DrawRectangle( rightCol, top, right - rightCol, ch);
6415       }
6416
6417       if ( bottom > bottomRow )
6418       {
6419           dc.DrawRectangle( left, bottomRow, cw, bottom - bottomRow);
6420       }
6421   }
6422 }
6423
6424
6425 void wxGrid::DrawCell( wxDC& dc, const wxGridCellCoords& coords )
6426 {
6427     int row = coords.GetRow();
6428     int col = coords.GetCol();
6429
6430     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
6431         return;
6432
6433     // we draw the cell border ourselves
6434 #if !WXGRID_DRAW_LINES
6435     if ( m_gridLinesEnabled )
6436         DrawCellBorder( dc, coords );
6437 #endif
6438
6439     wxGridCellAttr* attr = GetCellAttr(row, col);
6440
6441     bool isCurrent = coords == m_currentCellCoords;
6442
6443     wxRect rect = CellToRect( row, col );
6444
6445     // if the editor is shown, we should use it and not the renderer
6446     // Note: However, only if it is really _shown_, i.e. not hidden!
6447     if ( isCurrent && IsCellEditControlShown() )
6448     {
6449         wxGridCellEditor *editor = attr->GetEditor(this, row, col);
6450         editor->PaintBackground(rect, attr);
6451         editor->DecRef();
6452     }
6453     else
6454     {
6455         // but all the rest is drawn by the cell renderer and hence may be
6456         // customized
6457         wxGridCellRenderer *renderer = attr->GetRenderer(this, row, col);
6458         renderer->Draw(*this, *attr, dc, rect, row, col, IsInSelection(coords));
6459         renderer->DecRef();
6460     }
6461
6462     attr->DecRef();
6463 }
6464
6465 void wxGrid::DrawCellHighlight( wxDC& dc, const wxGridCellAttr *attr )
6466 {
6467     int row = m_currentCellCoords.GetRow();
6468     int col = m_currentCellCoords.GetCol();
6469
6470     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
6471         return;
6472
6473     wxRect rect = CellToRect(row, col);
6474
6475     // hmmm... what could we do here to show that the cell is disabled?
6476     // for now, I just draw a thinner border than for the other ones, but
6477     // it doesn't look really good
6478
6479     int penWidth = attr->IsReadOnly() ? m_cellHighlightROPenWidth : m_cellHighlightPenWidth;
6480
6481     if (penWidth > 0)
6482     {
6483         // The center of th drawn line is where the position/width/height of
6484         // the rectangle is actually at, (on wxMSW atr least,) so we will
6485         // reduce the size of the rectangle to compensate for the thickness of
6486         // the line.  If this is too strange on non wxMSW platforms then
6487         // please #ifdef this appropriately.
6488         rect.x += penWidth/2;
6489         rect.y += penWidth/2;
6490         rect.width -= penWidth-1;
6491         rect.height -= penWidth-1;
6492
6493
6494         // Now draw the rectangle
6495         dc.SetPen(wxPen(m_cellHighlightColour, penWidth, wxSOLID));
6496         dc.SetBrush(*wxTRANSPARENT_BRUSH);
6497         dc.DrawRectangle(rect);
6498     }
6499
6500 #if 0
6501         // VZ: my experiments with 3d borders...
6502
6503         // how to properly set colours for arbitrary bg?
6504         wxCoord x1 = rect.x,
6505                 y1 = rect.y,
6506                 x2 = rect.x + rect.width -1,
6507                 y2 = rect.y + rect.height -1;
6508
6509         dc.SetPen(*wxWHITE_PEN);
6510         dc.DrawLine(x1, y1, x2, y1);
6511         dc.DrawLine(x1, y1, x1, y2);
6512
6513         dc.DrawLine(x1 + 1, y2 - 1, x2 - 1, y2 - 1);
6514         dc.DrawLine(x2 - 1, y1 + 1, x2 - 1, y2 );
6515
6516         dc.SetPen(*wxBLACK_PEN);
6517         dc.DrawLine(x1, y2, x2, y2);
6518         dc.DrawLine(x2, y1, x2, y2+1);
6519 #endif // 0
6520 }
6521
6522
6523 void wxGrid::DrawCellBorder( wxDC& dc, const wxGridCellCoords& coords )
6524 {
6525     int row = coords.GetRow();
6526     int col = coords.GetCol();
6527     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
6528         return;
6529
6530     dc.SetPen( wxPen(GetGridLineColour(), 1, wxSOLID) );
6531
6532     wxRect rect = CellToRect( row, col );
6533
6534     // right hand border
6535     //
6536     dc.DrawLine( rect.x + rect.width, rect.y,
6537                  rect.x + rect.width, rect.y + rect.height + 1 );
6538
6539     // bottom border
6540     //
6541     dc.DrawLine( rect.x,              rect.y + rect.height,
6542                  rect.x + rect.width, rect.y + rect.height);
6543 }
6544
6545 void wxGrid::DrawHighlight(wxDC& dc,const  wxGridCellCoordsArray& cells)
6546 {
6547     // This if block was previously in wxGrid::OnPaint but that doesn't
6548     // seem to get called under wxGTK - MB
6549     //
6550     if ( m_currentCellCoords == wxGridNoCellCoords  &&
6551          m_numRows && m_numCols )
6552     {
6553         m_currentCellCoords.Set(0, 0);
6554     }
6555
6556     if ( IsCellEditControlShown() )
6557     {
6558         // don't show highlight when the edit control is shown
6559         return;
6560     }
6561
6562     // if the active cell was repainted, repaint its highlight too because it
6563     // might have been damaged by the grid lines
6564     size_t count = cells.GetCount();
6565     for ( size_t n = 0; n < count; n++ )
6566     {
6567         if ( cells[n] == m_currentCellCoords )
6568         {
6569             wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords);
6570             DrawCellHighlight(dc, attr);
6571             attr->DecRef();
6572
6573             break;
6574         }
6575     }
6576 }
6577
6578 // TODO: remove this ???
6579 // This is used to redraw all grid lines e.g. when the grid line colour
6580 // has been changed
6581 //
6582 void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & WXUNUSED(reg) )
6583 {
6584 #if !WXGRID_DRAW_LINES
6585     return;
6586 #endif
6587
6588     if ( !m_gridLinesEnabled ||
6589          !m_numRows ||
6590          !m_numCols ) return;
6591
6592     int top, bottom, left, right;
6593
6594 #if 0  //#ifndef __WXGTK__
6595     if (reg.IsEmpty())
6596     {
6597       int cw, ch;
6598       m_gridWin->GetClientSize(&cw, &ch);
6599
6600       // virtual coords of visible area
6601       //
6602       CalcUnscrolledPosition( 0, 0, &left, &top );
6603       CalcUnscrolledPosition( cw, ch, &right, &bottom );
6604     }
6605     else
6606     {
6607       wxCoord x, y, w, h;
6608       reg.GetBox(x, y, w, h);
6609       CalcUnscrolledPosition( x, y, &left, &top );
6610       CalcUnscrolledPosition( x + w, y + h, &right, &bottom );
6611     }
6612 #else
6613       int cw, ch;
6614       m_gridWin->GetClientSize(&cw, &ch);
6615       CalcUnscrolledPosition( 0, 0, &left, &top );
6616       CalcUnscrolledPosition( cw, ch, &right, &bottom );
6617 #endif
6618
6619     // avoid drawing grid lines past the last row and col
6620     //
6621     right = wxMin( right, GetColRight(m_numCols - 1) );
6622     bottom = wxMin( bottom, GetRowBottom(m_numRows - 1) );
6623
6624     // no gridlines inside multicells, clip them out
6625     int leftCol   = XToCol(left);
6626     int topRow    = YToRow(top);
6627     int rightCol  = XToCol(right);
6628     int bottomRow = YToRow(bottom);
6629     wxRegion clippedcells(0, 0, cw, ch);
6630
6631     if ((leftCol >= 0) && (topRow >= 0))
6632     {
6633         if (rightCol  < 0) rightCol  = m_numCols;
6634         if (bottomRow < 0) bottomRow = m_numRows;
6635
6636         int i, j, cell_rows, cell_cols;
6637         wxRect rect;
6638
6639         for (j=topRow; j<bottomRow; j++)
6640         {
6641             for (i=leftCol; i<rightCol; i++)
6642             {
6643                 GetCellSize( j, i, &cell_rows, &cell_cols );
6644                 if ((cell_rows > 1) || (cell_cols > 1))
6645                 {
6646                     rect = CellToRect(j,i);
6647                     CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
6648                     clippedcells.Subtract(rect);
6649                 }
6650                 else if ((cell_rows < 0) || (cell_cols < 0))
6651                 {
6652                     rect = CellToRect(j+cell_rows, i+cell_cols);
6653                     CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
6654                     clippedcells.Subtract(rect);
6655                 }
6656             }
6657         }
6658     }
6659     dc.SetClippingRegion( clippedcells );
6660
6661     dc.SetPen( wxPen(GetGridLineColour(), 1, wxSOLID) );
6662
6663     // horizontal grid lines
6664     //
6665     int i;
6666     for ( i = internalYToRow(top); i < m_numRows; i++ )
6667     {
6668         int bot = GetRowBottom(i) - 1;
6669
6670         if ( bot > bottom )
6671         {
6672             break;
6673         }
6674
6675         if ( bot >= top )
6676         {
6677             dc.DrawLine( left, bot, right, bot );
6678         }
6679     }
6680
6681
6682     // vertical grid lines
6683     //
6684     for ( i = internalXToCol(left); i < m_numCols; i++ )
6685     {
6686         int colRight = GetColRight(i) - 1;
6687         if ( colRight > right )
6688         {
6689             break;
6690         }
6691
6692         if ( colRight >= left )
6693         {
6694             dc.DrawLine( colRight, top, colRight, bottom );
6695         }
6696     }
6697     dc.DestroyClippingRegion();
6698 }
6699
6700
6701 void wxGrid::DrawRowLabels( wxDC& dc ,const wxArrayInt& rows)
6702 {
6703     if ( !m_numRows ) return;
6704
6705     size_t i;
6706     size_t numLabels = rows.GetCount();
6707
6708     for ( i = 0;  i < numLabels;  i++ )
6709     {
6710         DrawRowLabel( dc, rows[i] );
6711     }
6712 }
6713
6714
6715 void wxGrid::DrawRowLabel( wxDC& dc, int row )
6716 {
6717     if ( GetRowHeight(row) <= 0 )
6718         return;
6719
6720     int rowTop = GetRowTop(row),
6721         rowBottom = GetRowBottom(row) - 1;
6722
6723     dc.SetPen( *wxBLACK_PEN );
6724     dc.DrawLine( m_rowLabelWidth-1, rowTop,
6725                  m_rowLabelWidth-1, rowBottom );
6726
6727     dc.DrawLine( 0, rowBottom, m_rowLabelWidth-1, rowBottom );
6728
6729     dc.SetPen( *wxWHITE_PEN );
6730     dc.DrawLine( 0, rowTop, 0, rowBottom );
6731     dc.DrawLine( 0, rowTop, m_rowLabelWidth-1, rowTop );
6732
6733     dc.SetBackgroundMode( wxTRANSPARENT );
6734     dc.SetTextForeground( GetLabelTextColour() );
6735     dc.SetFont( GetLabelFont() );
6736
6737     int hAlign, vAlign;
6738     GetRowLabelAlignment( &hAlign, &vAlign );
6739
6740     wxRect rect;
6741     rect.SetX( 2 );
6742     rect.SetY( GetRowTop(row) + 2 );
6743     rect.SetWidth( m_rowLabelWidth - 4 );
6744     rect.SetHeight( GetRowHeight(row) - 4 );
6745     DrawTextRectangle( dc, GetRowLabelValue( row ), rect, hAlign, vAlign );
6746 }
6747
6748
6749 void wxGrid::DrawColLabels( wxDC& dc,const wxArrayInt& cols )
6750 {
6751     if ( !m_numCols ) return;
6752
6753     size_t i;
6754     size_t numLabels = cols.GetCount();
6755
6756     for ( i = 0;  i < numLabels;  i++ )
6757     {
6758         DrawColLabel( dc, cols[i] );
6759     }
6760 }
6761
6762
6763 void wxGrid::DrawColLabel( wxDC& dc, int col )
6764 {
6765     if ( GetColWidth(col) <= 0 )
6766         return;
6767
6768     int colLeft = GetColLeft(col),
6769         colRight = GetColRight(col) - 1;
6770
6771     dc.SetPen( *wxBLACK_PEN );
6772     dc.DrawLine( colRight, 0,
6773                  colRight, m_colLabelHeight-1 );
6774
6775     dc.DrawLine( colLeft, m_colLabelHeight-1,
6776                  colRight, m_colLabelHeight-1 );
6777
6778     dc.SetPen( *wxWHITE_PEN );
6779     dc.DrawLine( colLeft, 0, colLeft, m_colLabelHeight-1 );
6780     dc.DrawLine( colLeft, 0, colRight, 0 );
6781
6782     dc.SetBackgroundMode( wxTRANSPARENT );
6783     dc.SetTextForeground( GetLabelTextColour() );
6784     dc.SetFont( GetLabelFont() );
6785
6786     dc.SetBackgroundMode( wxTRANSPARENT );
6787     dc.SetTextForeground( GetLabelTextColour() );
6788     dc.SetFont( GetLabelFont() );
6789
6790     int hAlign, vAlign;
6791     GetColLabelAlignment( &hAlign, &vAlign );
6792
6793     wxRect rect;
6794     rect.SetX( colLeft + 2 );
6795     rect.SetY( 2 );
6796     rect.SetWidth( GetColWidth(col) - 4 );
6797     rect.SetHeight( m_colLabelHeight - 4 );
6798     DrawTextRectangle( dc, GetColLabelValue( col ), rect, hAlign, vAlign );
6799 }
6800
6801 void wxGrid::DrawTextRectangle( wxDC& dc,
6802                                 const wxString& value,
6803                                 const wxRect& rect,
6804                                 int horizAlign,
6805                                 int vertAlign )
6806 {
6807     wxArrayString lines;
6808
6809     StringToLines( value, lines );
6810
6811
6812     //Forward to new API.
6813     DrawTextRectangle(  dc,
6814                         lines,
6815                         rect,
6816                         horizAlign,
6817                         vertAlign );
6818
6819 }
6820
6821 void wxGrid::DrawTextRectangle( wxDC& dc,
6822                                 const wxArrayString& lines,
6823                                 const wxRect& rect,
6824                                 int horizAlign,
6825                                 int vertAlign )
6826 {
6827     long textWidth, textHeight;
6828     long lineWidth, lineHeight;
6829
6830     dc.SetClippingRegion( rect );
6831     if ( lines.GetCount() )
6832     {
6833         GetTextBoxSize( dc, lines, &textWidth, &textHeight );
6834         dc.GetTextExtent( lines[0], &lineWidth, &lineHeight );
6835
6836         float x, y;
6837         switch ( horizAlign )
6838         {
6839             case wxALIGN_RIGHT:
6840                 x = rect.x + (rect.width - textWidth - 1);
6841                 break;
6842
6843             case wxALIGN_CENTRE:
6844                 x = rect.x + ((rect.width - textWidth)/2);
6845                 break;
6846
6847             case wxALIGN_LEFT:
6848             default:
6849                 x = rect.x + 1;
6850                 break;
6851         }
6852
6853         switch ( vertAlign )
6854         {
6855             case wxALIGN_BOTTOM:
6856                 y = rect.y + (rect.height - textHeight - 1);
6857                 break;
6858
6859             case wxALIGN_CENTRE:
6860                 y = rect.y + ((rect.height - textHeight)/2);
6861                 break;
6862
6863             case wxALIGN_TOP:
6864             default:
6865                 y = rect.y + 1;
6866                 break;
6867         }
6868
6869         for ( size_t i = 0;  i < lines.GetCount();  i++ )
6870         {
6871             dc.DrawText( lines[i], (int)x, (int)y );
6872             y += lineHeight;
6873         }
6874     }
6875
6876     dc.DestroyClippingRegion();
6877 }
6878
6879
6880 // Split multi line text up into an array of strings.  Any existing
6881 // contents of the string array are preserved.
6882 //
6883 void wxGrid::StringToLines( const wxString& value, wxArrayString& lines )
6884 {
6885     int startPos = 0;
6886     int pos;
6887     wxString eol = wxTextFile::GetEOL( wxTextFileType_Unix );
6888     wxString tVal = wxTextFile::Translate( value, wxTextFileType_Unix );
6889
6890     while ( startPos < (int)tVal.Length() )
6891     {
6892         pos = tVal.Mid(startPos).Find( eol );
6893         if ( pos < 0 )
6894         {
6895             break;
6896         }
6897         else if ( pos == 0 )
6898         {
6899             lines.Add( wxEmptyString );
6900         }
6901         else
6902         {
6903             lines.Add( value.Mid(startPos, pos) );
6904         }
6905         startPos += pos+1;
6906     }
6907     if ( startPos < (int)value.Length() )
6908     {
6909         lines.Add( value.Mid( startPos ) );
6910     }
6911 }
6912
6913
6914 void wxGrid::GetTextBoxSize( wxDC& dc,
6915                              const wxArrayString& lines,
6916                              long *width, long *height )
6917 {
6918     long w = 0;
6919     long h = 0;
6920     long lineW, lineH;
6921
6922     size_t i;
6923     for ( i = 0;  i < lines.GetCount();  i++ )
6924     {
6925         dc.GetTextExtent( lines[i], &lineW, &lineH );
6926         w = wxMax( w, lineW );
6927         h += lineH;
6928     }
6929
6930     *width = w;
6931     *height = h;
6932 }
6933
6934 //
6935 // ------ Batch processing.
6936 //
6937 void wxGrid::EndBatch()
6938 {
6939     if ( m_batchCount > 0 )
6940     {
6941         m_batchCount--;
6942         if ( !m_batchCount )
6943         {
6944             CalcDimensions();
6945             m_rowLabelWin->Refresh();
6946             m_colLabelWin->Refresh();
6947             m_cornerLabelWin->Refresh();
6948             m_gridWin->Refresh();
6949         }
6950     }
6951 }
6952
6953 // Use this, rather than wxWindow::Refresh(), to force an immediate
6954 // repainting of the grid. Has no effect if you are already inside a
6955 // BeginBatch / EndBatch block.
6956 //
6957 void wxGrid::ForceRefresh()
6958 {
6959     BeginBatch();
6960     EndBatch();
6961 }
6962
6963
6964 //
6965 // ------ Edit control functions
6966 //
6967
6968
6969 void wxGrid::EnableEditing( bool edit )
6970 {
6971     // TODO: improve this ?
6972     //
6973     if ( edit != m_editable )
6974     {
6975         if(!edit) EnableCellEditControl(edit);
6976         m_editable = edit;
6977     }
6978 }
6979
6980
6981 void wxGrid::EnableCellEditControl( bool enable )
6982 {
6983     if (! m_editable)
6984         return;
6985
6986     if ( m_currentCellCoords == wxGridNoCellCoords )
6987         SetCurrentCell( 0, 0 );
6988
6989     if ( enable != m_cellEditCtrlEnabled )
6990     {
6991         if ( enable )
6992         {
6993             if (SendEvent( wxEVT_GRID_EDITOR_SHOWN) <0)
6994                 return;
6995
6996             // this should be checked by the caller!
6997             wxASSERT_MSG( CanEnableCellControl(),
6998                           _T("can't enable editing for this cell!") );
6999
7000             // do it before ShowCellEditControl()
7001             m_cellEditCtrlEnabled = enable;
7002
7003             ShowCellEditControl();
7004         }
7005         else
7006         {
7007             //FIXME:add veto support
7008             SendEvent( wxEVT_GRID_EDITOR_HIDDEN);
7009
7010             HideCellEditControl();
7011             SaveEditControlValue();
7012
7013             // do it after HideCellEditControl()
7014             m_cellEditCtrlEnabled = enable;
7015         }
7016     }
7017 }
7018
7019 bool wxGrid::IsCurrentCellReadOnly() const
7020 {
7021     // const_cast
7022     wxGridCellAttr* attr = ((wxGrid *)this)->GetCellAttr(m_currentCellCoords);
7023     bool readonly = attr->IsReadOnly();
7024     attr->DecRef();
7025
7026     return readonly;
7027 }
7028
7029 bool wxGrid::CanEnableCellControl() const
7030 {
7031     return m_editable && !IsCurrentCellReadOnly();
7032 }
7033
7034 bool wxGrid::IsCellEditControlEnabled() const
7035 {
7036     // the cell edit control might be disable for all cells or just for the
7037     // current one if it's read only
7038     return m_cellEditCtrlEnabled ? !IsCurrentCellReadOnly() : FALSE;
7039 }
7040
7041 bool wxGrid::IsCellEditControlShown() const
7042 {
7043     bool isShown = FALSE;
7044
7045     if ( m_cellEditCtrlEnabled )
7046     {
7047         int row = m_currentCellCoords.GetRow();
7048         int col = m_currentCellCoords.GetCol();
7049         wxGridCellAttr* attr = GetCellAttr(row, col);
7050         wxGridCellEditor* editor = attr->GetEditor((wxGrid*) this, row, col);
7051         attr->DecRef();
7052
7053         if ( editor )
7054         {
7055             if ( editor->IsCreated() )
7056             {
7057                 isShown = editor->GetControl()->IsShown();
7058             }
7059
7060             editor->DecRef();
7061         }
7062     }
7063
7064     return isShown;
7065 }
7066
7067 void wxGrid::ShowCellEditControl()
7068 {
7069     if ( IsCellEditControlEnabled() )
7070     {
7071         if ( !IsVisible( m_currentCellCoords ) )
7072         {
7073             m_cellEditCtrlEnabled = FALSE;
7074             return;
7075         }
7076         else
7077         {
7078             wxRect rect = CellToRect( m_currentCellCoords );
7079             int row = m_currentCellCoords.GetRow();
7080             int col = m_currentCellCoords.GetCol();
7081
7082             // if this is part of a multicell, find owner (topleft)
7083             int cell_rows, cell_cols;
7084             GetCellSize( row, col, &cell_rows, &cell_cols );
7085             if ( cell_rows <= 0 || cell_cols <= 0 )
7086             {
7087                 row += cell_rows;
7088                 col += cell_cols;
7089                 m_currentCellCoords.SetRow( row );
7090                 m_currentCellCoords.SetCol( col );
7091             }
7092
7093             // convert to scrolled coords
7094             //
7095             CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
7096
7097             // done in PaintBackground()
7098 #if 0
7099             // erase the highlight and the cell contents because the editor
7100             // might not cover the entire cell
7101             wxClientDC dc( m_gridWin );
7102             PrepareDC( dc );
7103             dc.SetBrush(*wxLIGHT_GREY_BRUSH); //wxBrush(attr->GetBackgroundColour(), wxSOLID));
7104             dc.SetPen(*wxTRANSPARENT_PEN);
7105             dc.DrawRectangle(rect);
7106 #endif // 0
7107
7108             // cell is shifted by one pixel
7109             // However, don't allow x or y to become negative
7110             // since the SetSize() method interprets that as
7111             // "don't change."
7112             if (rect.x > 0)
7113                 rect.x--;
7114             if (rect.y > 0)
7115                 rect.y--;
7116
7117             wxGridCellAttr* attr = GetCellAttr(row, col);
7118             wxGridCellEditor* editor = attr->GetEditor(this, row, col);
7119             if ( !editor->IsCreated() )
7120             {
7121                 editor->Create(m_gridWin, -1,
7122                                new wxGridCellEditorEvtHandler(this, editor));
7123
7124                 wxGridEditorCreatedEvent evt(GetId(),
7125                                              wxEVT_GRID_EDITOR_CREATED,
7126                                              this,
7127                                              row,
7128                                              col,
7129                                              editor->GetControl());
7130                 GetEventHandler()->ProcessEvent(evt);
7131             }
7132
7133             editor->Show( TRUE, attr );
7134
7135             // resize editor to overflow into righthand cells if allowed
7136             wxString value = GetCellValue(row, col);
7137             if ( (value != wxEmptyString) && (attr->GetOverflow()) )
7138             {
7139                 wxClientDC dc(m_gridWin);
7140                 wxCoord y = 0, best_width = 0;
7141                 dc.SetFont(attr->GetFont());
7142                 dc.GetTextExtent(value, &best_width, &y);
7143
7144                 int cell_rows, cell_cols;
7145                 attr->GetSize( &cell_rows, &cell_cols );
7146
7147                 if ((best_width > rect.width) && (col < m_numCols) && m_table)
7148                 {
7149                     int i;
7150                     for (i = col+cell_cols; i < m_numCols; i++)
7151                     {
7152                         if (m_table->IsEmptyCell(row,i))
7153                         {
7154                             rect.width += GetColWidth(i);
7155                             if (rect.width >= best_width) break;
7156                         }
7157                         else
7158                             break;
7159                     }
7160                 }
7161             }
7162             editor->SetSize( rect );
7163
7164             editor->BeginEdit(row, col, this);
7165
7166             editor->DecRef();
7167             attr->DecRef();
7168          }
7169     }
7170 }
7171
7172
7173 void wxGrid::HideCellEditControl()
7174 {
7175     if ( IsCellEditControlEnabled() )
7176     {
7177         int row = m_currentCellCoords.GetRow();
7178         int col = m_currentCellCoords.GetCol();
7179
7180         wxGridCellAttr* attr = GetCellAttr(row, col);
7181         wxGridCellEditor *editor = attr->GetEditor(this, row, col);
7182         editor->Show( FALSE );
7183         editor->DecRef();
7184         attr->DecRef();
7185         m_gridWin->SetFocus();
7186         // refresh whole row to the right
7187         wxRect rect( CellToRect(row, col) );
7188         CalcScrolledPosition(rect.x, rect.y, &rect.x, &rect.y );
7189         rect.width = m_gridWin->GetClientSize().GetWidth() - rect.x;
7190         m_gridWin->Refresh( FALSE, &rect );
7191     }
7192 }
7193
7194
7195 void wxGrid::SaveEditControlValue()
7196 {
7197     if ( IsCellEditControlEnabled() )
7198     {
7199         int row = m_currentCellCoords.GetRow();
7200         int col = m_currentCellCoords.GetCol();
7201
7202         wxString oldval = GetCellValue(row,col);
7203
7204         wxGridCellAttr* attr = GetCellAttr(row, col);
7205         wxGridCellEditor* editor = attr->GetEditor(this, row, col);
7206         bool changed = editor->EndEdit(row, col, this);
7207
7208         editor->DecRef();
7209         attr->DecRef();
7210
7211         if (changed)
7212         {
7213             if ( SendEvent( wxEVT_GRID_CELL_CHANGE,
7214                        m_currentCellCoords.GetRow(),
7215                        m_currentCellCoords.GetCol() ) < 0 ) {
7216
7217                 // Event has been vetoed, set the data back.
7218                 SetCellValue(row,col,oldval);
7219             }
7220         }
7221     }
7222 }
7223
7224
7225 //
7226 // ------ Grid location functions
7227 //  Note that all of these functions work with the logical coordinates of
7228 //  grid cells and labels so you will need to convert from device
7229 //  coordinates for mouse events etc.
7230 //
7231
7232 void wxGrid::XYToCell( int x, int y, wxGridCellCoords& coords )
7233 {
7234     int row = YToRow(y);
7235     int col = XToCol(x);
7236
7237     if ( row == -1  ||  col == -1 )
7238     {
7239         coords = wxGridNoCellCoords;
7240     }
7241     else
7242     {
7243         coords.Set( row, col );
7244     }
7245 }
7246
7247
7248 // Internal Helper function for computing row or column from some
7249 // (unscrolled) coordinate value, using either
7250 // m_defaultRowHeight/m_defaultColWidth or binary search on array
7251 // of m_rowBottoms/m_ColRights to speed up the search!
7252
7253 static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
7254                            const wxArrayInt& BorderArray, bool maxOnOverflow)
7255 {
7256     if (!defaultDist)
7257         defaultDist = 1;
7258     size_t i_max = coord / defaultDist,
7259            i_min = 0;
7260     if (BorderArray.IsEmpty())
7261     {
7262         return i_max;
7263     }
7264
7265     if ( i_max >= BorderArray.GetCount())
7266         i_max = BorderArray.GetCount() - 1;
7267     else
7268     {
7269         if ( coord >= BorderArray[i_max])
7270         {
7271             i_min = i_max;
7272             i_max = coord / minDist;
7273         }
7274         if ( i_max >= BorderArray.GetCount())
7275             i_max = BorderArray.GetCount() - 1;
7276     }
7277     if ( coord >= BorderArray[i_max])
7278         return maxOnOverflow ? (int)i_max : -1;
7279     if ( coord < BorderArray[0] )
7280         return 0;
7281
7282     while ( i_max - i_min > 0 )
7283     {
7284         wxCHECK_MSG(BorderArray[i_min] <= coord && coord < BorderArray[i_max],
7285                     0, _T("wxGrid: internal error in CoordToRowOrCol"));
7286         if (coord >=  BorderArray[ i_max - 1])
7287             return i_max;
7288         else
7289             i_max--;
7290         int median = i_min + (i_max - i_min + 1) / 2;
7291         if (coord < BorderArray[median])
7292             i_max = median;
7293         else
7294             i_min = median;
7295     }
7296     return i_max;
7297 }
7298
7299 int wxGrid::YToRow( int y )
7300 {
7301     return CoordToRowOrCol(y, m_defaultRowHeight,
7302                            WXGRID_MIN_ROW_HEIGHT, m_rowBottoms, FALSE);
7303 }
7304
7305
7306 int wxGrid::XToCol( int x )
7307 {
7308     return CoordToRowOrCol(x, m_defaultColWidth,
7309                            WXGRID_MIN_COL_WIDTH, m_colRights, FALSE);
7310 }
7311
7312
7313 // return the row number that that the y coord is near the edge of, or
7314 // -1 if not near an edge
7315 //
7316 int wxGrid::YToEdgeOfRow( int y )
7317 {
7318     int i;
7319     i = internalYToRow(y);
7320
7321     if ( GetRowHeight(i) > WXGRID_LABEL_EDGE_ZONE )
7322     {
7323         // We know that we are in row i, test whether we are
7324         // close enough to lower or upper border, respectively.
7325         if ( abs(GetRowBottom(i) - y) < WXGRID_LABEL_EDGE_ZONE )
7326             return i;
7327         else if( i > 0 && y - GetRowTop(i) < WXGRID_LABEL_EDGE_ZONE )
7328             return i - 1;
7329     }
7330
7331     return -1;
7332 }
7333
7334
7335 // return the col number that that the x coord is near the edge of, or
7336 // -1 if not near an edge
7337 //
7338 int wxGrid::XToEdgeOfCol( int x )
7339 {
7340     int i;
7341     i = internalXToCol(x);
7342
7343     if ( GetColWidth(i) > WXGRID_LABEL_EDGE_ZONE )
7344     {
7345         // We know that we are in column i,  test whether we are
7346         // close enough to right or left border, respectively.
7347         if ( abs(GetColRight(i) - x) < WXGRID_LABEL_EDGE_ZONE )
7348             return i;
7349         else if( i > 0 && x - GetColLeft(i) < WXGRID_LABEL_EDGE_ZONE )
7350             return i - 1;
7351     }
7352
7353     return -1;
7354 }
7355
7356
7357 wxRect wxGrid::CellToRect( int row, int col )
7358 {
7359     wxRect rect( -1, -1, -1, -1 );
7360
7361     if ( row >= 0  &&  row < m_numRows  &&
7362          col >= 0  &&  col < m_numCols )
7363     {
7364         int i, cell_rows, cell_cols;
7365         rect.width = rect.height = 0;
7366         GetCellSize( row, col, &cell_rows, &cell_cols );
7367         // if negative then find multicell owner
7368         if (cell_rows < 0) row += cell_rows;
7369         if (cell_cols < 0) col += cell_cols;
7370         GetCellSize( row, col, &cell_rows, &cell_cols );
7371
7372         rect.x = GetColLeft(col);
7373         rect.y = GetRowTop(row);
7374         for (i=col; i<col+cell_cols; i++)
7375             rect.width  += GetColWidth(i);
7376         for (i=row; i<row+cell_rows; i++)
7377             rect.height += GetRowHeight(i);
7378     }
7379
7380     // if grid lines are enabled, then the area of the cell is a bit smaller
7381     if (m_gridLinesEnabled) {
7382         rect.width -= 1;
7383         rect.height -= 1;
7384     }
7385     return rect;
7386 }
7387
7388
7389 bool wxGrid::IsVisible( int row, int col, bool wholeCellVisible )
7390 {
7391     // get the cell rectangle in logical coords
7392     //
7393     wxRect r( CellToRect( row, col ) );
7394
7395     // convert to device coords
7396     //
7397     int left, top, right, bottom;
7398     CalcScrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
7399     CalcScrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
7400
7401     // check against the client area of the grid window
7402     //
7403     int cw, ch;
7404     m_gridWin->GetClientSize( &cw, &ch );
7405
7406     if ( wholeCellVisible )
7407     {
7408         // is the cell wholly visible ?
7409         //
7410         return ( left >= 0  &&  right <= cw  &&
7411                  top >= 0  &&  bottom <= ch );
7412     }
7413     else
7414     {
7415         // is the cell partly visible ?
7416         //
7417         return ( ((left >=0 && left < cw) || (right > 0 && right <= cw))  &&
7418                  ((top >=0 && top < ch) || (bottom > 0 && bottom <= ch)) );
7419     }
7420 }
7421
7422
7423 // make the specified cell location visible by doing a minimal amount
7424 // of scrolling
7425 //
7426 void wxGrid::MakeCellVisible( int row, int col )
7427 {
7428
7429     int i;
7430     int xpos = -1, ypos = -1;
7431
7432     if ( row >= 0  &&  row < m_numRows  &&
7433          col >= 0  &&  col < m_numCols )
7434     {
7435         // get the cell rectangle in logical coords
7436         //
7437         wxRect r( CellToRect( row, col ) );
7438
7439         // convert to device coords
7440         //
7441         int left, top, right, bottom;
7442         CalcScrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
7443         CalcScrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
7444
7445         int cw, ch;
7446         m_gridWin->GetClientSize( &cw, &ch );
7447
7448         if ( top < 0 )
7449         {
7450             ypos = r.GetTop();
7451         }
7452         else if ( bottom > ch )
7453         {
7454             int h = r.GetHeight();
7455             ypos = r.GetTop();
7456             for ( i = row-1;  i >= 0;  i-- )
7457             {
7458                 int rowHeight = GetRowHeight(i);
7459                 if ( h + rowHeight > ch )
7460                     break;
7461
7462                 h += rowHeight;
7463                 ypos -= rowHeight;
7464             }
7465
7466             // we divide it later by GRID_SCROLL_LINE, make sure that we don't
7467             // have rounding errors (this is important, because if we do, we
7468             // might not scroll at all and some cells won't be redrawn)
7469             //
7470             // Sometimes GRID_SCROLL_LINE/2 is not enough, so just add a full
7471             // scroll unit...
7472             ypos += GRID_SCROLL_LINE_Y;
7473         }
7474
7475         if ( left < 0 )
7476         {
7477             xpos = r.GetLeft();
7478         }
7479         else if ( right > cw )
7480         {
7481             int w = r.GetWidth();
7482             xpos = r.GetLeft();
7483             for ( i = col-1;  i >= 0;  i-- )
7484             {
7485                 int colWidth = GetColWidth(i);
7486                 if ( w + colWidth > cw )
7487                     break;
7488
7489                 w += colWidth;
7490                 xpos -= colWidth;
7491             }
7492
7493             // see comment for ypos above
7494             xpos += GRID_SCROLL_LINE_X;
7495         }
7496
7497         if ( xpos != -1  ||  ypos != -1 )
7498         {
7499             if ( xpos != -1 )
7500                 xpos /= GRID_SCROLL_LINE_X;
7501             if ( ypos != -1 )
7502                 ypos /= GRID_SCROLL_LINE_Y;
7503             Scroll( xpos, ypos );
7504             AdjustScrollbars();
7505         }
7506     }
7507 }
7508
7509
7510 //
7511 // ------ Grid cursor movement functions
7512 //
7513
7514 bool wxGrid::MoveCursorUp( bool expandSelection )
7515 {
7516     if ( m_currentCellCoords != wxGridNoCellCoords  &&
7517          m_currentCellCoords.GetRow() >= 0 )
7518     {
7519         if ( expandSelection)
7520         {
7521             if ( m_selectingKeyboard == wxGridNoCellCoords )
7522                 m_selectingKeyboard = m_currentCellCoords;
7523             if ( m_selectingKeyboard.GetRow() > 0 )
7524             {
7525                 m_selectingKeyboard.SetRow( m_selectingKeyboard.GetRow() - 1 );
7526                 MakeCellVisible( m_selectingKeyboard.GetRow(),
7527                                  m_selectingKeyboard.GetCol() );
7528                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7529             }
7530         }
7531         else if ( m_currentCellCoords.GetRow() > 0 )
7532         {
7533             ClearSelection();
7534             MakeCellVisible( m_currentCellCoords.GetRow() - 1,
7535                              m_currentCellCoords.GetCol() );
7536             SetCurrentCell( m_currentCellCoords.GetRow() - 1,
7537                             m_currentCellCoords.GetCol() );
7538         }
7539         else
7540             return FALSE;
7541         return TRUE;
7542     }
7543
7544     return FALSE;
7545 }
7546
7547
7548 bool wxGrid::MoveCursorDown( bool expandSelection )
7549 {
7550     if ( m_currentCellCoords != wxGridNoCellCoords  &&
7551          m_currentCellCoords.GetRow() < m_numRows )
7552     {
7553         if ( expandSelection )
7554         {
7555             if ( m_selectingKeyboard == wxGridNoCellCoords )
7556                 m_selectingKeyboard = m_currentCellCoords;
7557             if ( m_selectingKeyboard.GetRow() < m_numRows-1 )
7558             {
7559                 m_selectingKeyboard.SetRow( m_selectingKeyboard.GetRow() + 1 );
7560                 MakeCellVisible( m_selectingKeyboard.GetRow(),
7561                         m_selectingKeyboard.GetCol() );
7562                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7563             }
7564         }
7565         else if ( m_currentCellCoords.GetRow() < m_numRows - 1 )
7566         {
7567             ClearSelection();
7568             MakeCellVisible( m_currentCellCoords.GetRow() + 1,
7569                              m_currentCellCoords.GetCol() );
7570             SetCurrentCell( m_currentCellCoords.GetRow() + 1,
7571                             m_currentCellCoords.GetCol() );
7572         }
7573         else
7574             return FALSE;
7575         return TRUE;
7576     }
7577
7578     return FALSE;
7579 }
7580
7581
7582 bool wxGrid::MoveCursorLeft( bool expandSelection )
7583 {
7584     if ( m_currentCellCoords != wxGridNoCellCoords  &&
7585          m_currentCellCoords.GetCol() >= 0 )
7586     {
7587         if ( expandSelection )
7588         {
7589             if ( m_selectingKeyboard == wxGridNoCellCoords )
7590                 m_selectingKeyboard = m_currentCellCoords;
7591             if ( m_selectingKeyboard.GetCol() > 0 )
7592             {
7593                 m_selectingKeyboard.SetCol( m_selectingKeyboard.GetCol() - 1 );
7594                 MakeCellVisible( m_selectingKeyboard.GetRow(),
7595                         m_selectingKeyboard.GetCol() );
7596                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7597             }
7598         }
7599         else if ( m_currentCellCoords.GetCol() > 0 )
7600         {
7601             ClearSelection();
7602             MakeCellVisible( m_currentCellCoords.GetRow(),
7603                              m_currentCellCoords.GetCol() - 1 );
7604             SetCurrentCell( m_currentCellCoords.GetRow(),
7605                             m_currentCellCoords.GetCol() - 1 );
7606         }
7607         else
7608             return FALSE;
7609         return TRUE;
7610     }
7611
7612     return FALSE;
7613 }
7614
7615
7616 bool wxGrid::MoveCursorRight( bool expandSelection )
7617 {
7618     if ( m_currentCellCoords != wxGridNoCellCoords  &&
7619          m_currentCellCoords.GetCol() < m_numCols )
7620     {
7621         if ( expandSelection )
7622         {
7623             if ( m_selectingKeyboard == wxGridNoCellCoords )
7624                 m_selectingKeyboard = m_currentCellCoords;
7625             if ( m_selectingKeyboard.GetCol() < m_numCols - 1 )
7626             {
7627                 m_selectingKeyboard.SetCol( m_selectingKeyboard.GetCol() + 1 );
7628                 MakeCellVisible( m_selectingKeyboard.GetRow(),
7629                         m_selectingKeyboard.GetCol() );
7630                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7631             }
7632         }
7633         else if ( m_currentCellCoords.GetCol() < m_numCols - 1 )
7634         {
7635             ClearSelection();
7636             MakeCellVisible( m_currentCellCoords.GetRow(),
7637                              m_currentCellCoords.GetCol() + 1 );
7638             SetCurrentCell( m_currentCellCoords.GetRow(),
7639                             m_currentCellCoords.GetCol() + 1 );
7640         }
7641         else
7642             return FALSE;
7643         return TRUE;
7644     }
7645
7646     return FALSE;
7647 }
7648
7649
7650 bool wxGrid::MovePageUp()
7651 {
7652     if ( m_currentCellCoords == wxGridNoCellCoords ) return FALSE;
7653
7654     int row = m_currentCellCoords.GetRow();
7655     if ( row > 0 )
7656     {
7657         int cw, ch;
7658         m_gridWin->GetClientSize( &cw, &ch );
7659
7660         int y = GetRowTop(row);
7661         int newRow = YToRow( y - ch + 1 );
7662         if ( newRow == -1 )
7663         {
7664             newRow = 0;
7665         }
7666         else if ( newRow == row )
7667         {
7668             newRow = row - 1;
7669         }
7670
7671         MakeCellVisible( newRow, m_currentCellCoords.GetCol() );
7672         SetCurrentCell( newRow, m_currentCellCoords.GetCol() );
7673
7674         return TRUE;
7675     }
7676
7677     return FALSE;
7678 }
7679
7680 bool wxGrid::MovePageDown()
7681 {
7682     if ( m_currentCellCoords == wxGridNoCellCoords ) return FALSE;
7683
7684     int row = m_currentCellCoords.GetRow();
7685     if ( row < m_numRows )
7686     {
7687         int cw, ch;
7688         m_gridWin->GetClientSize( &cw, &ch );
7689
7690         int y = GetRowTop(row);
7691         int newRow = YToRow( y + ch );
7692         if ( newRow == -1 )
7693         {
7694             newRow = m_numRows - 1;
7695         }
7696         else if ( newRow == row )
7697         {
7698             newRow = row + 1;
7699         }
7700
7701         MakeCellVisible( newRow, m_currentCellCoords.GetCol() );
7702         SetCurrentCell( newRow, m_currentCellCoords.GetCol() );
7703
7704         return TRUE;
7705     }
7706
7707     return FALSE;
7708 }
7709
7710 bool wxGrid::MoveCursorUpBlock( bool expandSelection )
7711 {
7712     if ( m_table &&
7713          m_currentCellCoords != wxGridNoCellCoords  &&
7714          m_currentCellCoords.GetRow() > 0 )
7715     {
7716         int row = m_currentCellCoords.GetRow();
7717         int col = m_currentCellCoords.GetCol();
7718
7719         if ( m_table->IsEmptyCell(row, col) )
7720         {
7721             // starting in an empty cell: find the next block of
7722             // non-empty cells
7723             //
7724             while ( row > 0 )
7725             {
7726                 row-- ;
7727                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7728             }
7729         }
7730         else if ( m_table->IsEmptyCell(row-1, col) )
7731         {
7732             // starting at the top of a block: find the next block
7733             //
7734             row--;
7735             while ( row > 0 )
7736             {
7737                 row-- ;
7738                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7739             }
7740         }
7741         else
7742         {
7743             // starting within a block: find the top of the block
7744             //
7745             while ( row > 0 )
7746             {
7747                 row-- ;
7748                 if ( m_table->IsEmptyCell(row, col) )
7749                 {
7750                     row++ ;
7751                     break;
7752                 }
7753             }
7754         }
7755
7756         MakeCellVisible( row, col );
7757         if ( expandSelection )
7758         {
7759             m_selectingKeyboard = wxGridCellCoords( row, col );
7760             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7761         }
7762         else
7763         {
7764             ClearSelection();
7765             SetCurrentCell( row, col );
7766         }
7767         return TRUE;
7768     }
7769
7770     return FALSE;
7771 }
7772
7773 bool wxGrid::MoveCursorDownBlock( bool expandSelection )
7774 {
7775     if ( m_table &&
7776          m_currentCellCoords != wxGridNoCellCoords  &&
7777          m_currentCellCoords.GetRow() < m_numRows-1 )
7778     {
7779         int row = m_currentCellCoords.GetRow();
7780         int col = m_currentCellCoords.GetCol();
7781
7782         if ( m_table->IsEmptyCell(row, col) )
7783         {
7784             // starting in an empty cell: find the next block of
7785             // non-empty cells
7786             //
7787             while ( row < m_numRows-1 )
7788             {
7789                 row++ ;
7790                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7791             }
7792         }
7793         else if ( m_table->IsEmptyCell(row+1, col) )
7794         {
7795             // starting at the bottom of a block: find the next block
7796             //
7797             row++;
7798             while ( row < m_numRows-1 )
7799             {
7800                 row++ ;
7801                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7802             }
7803         }
7804         else
7805         {
7806             // starting within a block: find the bottom of the block
7807             //
7808             while ( row < m_numRows-1 )
7809             {
7810                 row++ ;
7811                 if ( m_table->IsEmptyCell(row, col) )
7812                 {
7813                     row-- ;
7814                     break;
7815                 }
7816             }
7817         }
7818
7819         MakeCellVisible( row, col );
7820         if ( expandSelection )
7821         {
7822             m_selectingKeyboard = wxGridCellCoords( row, col );
7823             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7824         }
7825         else
7826         {
7827             ClearSelection();
7828             SetCurrentCell( row, col );
7829         }
7830
7831         return TRUE;
7832     }
7833
7834     return FALSE;
7835 }
7836
7837 bool wxGrid::MoveCursorLeftBlock( bool expandSelection )
7838 {
7839     if ( m_table &&
7840          m_currentCellCoords != wxGridNoCellCoords  &&
7841          m_currentCellCoords.GetCol() > 0 )
7842     {
7843         int row = m_currentCellCoords.GetRow();
7844         int col = m_currentCellCoords.GetCol();
7845
7846         if ( m_table->IsEmptyCell(row, col) )
7847         {
7848             // starting in an empty cell: find the next block of
7849             // non-empty cells
7850             //
7851             while ( col > 0 )
7852             {
7853                 col-- ;
7854                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7855             }
7856         }
7857         else if ( m_table->IsEmptyCell(row, col-1) )
7858         {
7859             // starting at the left of a block: find the next block
7860             //
7861             col--;
7862             while ( col > 0 )
7863             {
7864                 col-- ;
7865                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7866             }
7867         }
7868         else
7869         {
7870             // starting within a block: find the left of the block
7871             //
7872             while ( col > 0 )
7873             {
7874                 col-- ;
7875                 if ( m_table->IsEmptyCell(row, col) )
7876                 {
7877                     col++ ;
7878                     break;
7879                 }
7880             }
7881         }
7882
7883         MakeCellVisible( row, col );
7884         if ( expandSelection )
7885         {
7886             m_selectingKeyboard = wxGridCellCoords( row, col );
7887             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7888         }
7889         else
7890         {
7891             ClearSelection();
7892             SetCurrentCell( row, col );
7893         }
7894
7895         return TRUE;
7896     }
7897
7898     return FALSE;
7899 }
7900
7901 bool wxGrid::MoveCursorRightBlock( bool expandSelection )
7902 {
7903     if ( m_table &&
7904          m_currentCellCoords != wxGridNoCellCoords  &&
7905          m_currentCellCoords.GetCol() < m_numCols-1 )
7906     {
7907         int row = m_currentCellCoords.GetRow();
7908         int col = m_currentCellCoords.GetCol();
7909
7910         if ( m_table->IsEmptyCell(row, col) )
7911         {
7912             // starting in an empty cell: find the next block of
7913             // non-empty cells
7914             //
7915             while ( col < m_numCols-1 )
7916             {
7917                 col++ ;
7918                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7919             }
7920         }
7921         else if ( m_table->IsEmptyCell(row, col+1) )
7922         {
7923             // starting at the right of a block: find the next block
7924             //
7925             col++;
7926             while ( col < m_numCols-1 )
7927             {
7928                 col++ ;
7929                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7930             }
7931         }
7932         else
7933         {
7934             // starting within a block: find the right of the block
7935             //
7936             while ( col < m_numCols-1 )
7937             {
7938                 col++ ;
7939                 if ( m_table->IsEmptyCell(row, col) )
7940                 {
7941                     col-- ;
7942                     break;
7943                 }
7944             }
7945         }
7946
7947         MakeCellVisible( row, col );
7948         if ( expandSelection )
7949         {
7950             m_selectingKeyboard = wxGridCellCoords( row, col );
7951             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7952         }
7953         else
7954         {
7955             ClearSelection();
7956             SetCurrentCell( row, col );
7957         }
7958
7959         return TRUE;
7960     }
7961
7962     return FALSE;
7963 }
7964
7965
7966
7967 //
7968 // ------ Label values and formatting
7969 //
7970
7971 void wxGrid::GetRowLabelAlignment( int *horiz, int *vert )
7972 {
7973     *horiz = m_rowLabelHorizAlign;
7974     *vert  = m_rowLabelVertAlign;
7975 }
7976
7977 void wxGrid::GetColLabelAlignment( int *horiz, int *vert )
7978 {
7979     *horiz = m_colLabelHorizAlign;
7980     *vert  = m_colLabelVertAlign;
7981 }
7982
7983 wxString wxGrid::GetRowLabelValue( int row )
7984 {
7985     if ( m_table )
7986     {
7987         return m_table->GetRowLabelValue( row );
7988     }
7989     else
7990     {
7991         wxString s;
7992         s << row;
7993         return s;
7994     }
7995 }
7996
7997 wxString wxGrid::GetColLabelValue( int col )
7998 {
7999     if ( m_table )
8000     {
8001         return m_table->GetColLabelValue( col );
8002     }
8003     else
8004     {
8005         wxString s;
8006         s << col;
8007         return s;
8008     }
8009 }
8010
8011
8012 void wxGrid::SetRowLabelSize( int width )
8013 {
8014     width = wxMax( width, 0 );
8015     if ( width != m_rowLabelWidth )
8016     {
8017         if ( width == 0 )
8018         {
8019             m_rowLabelWin->Show( FALSE );
8020             m_cornerLabelWin->Show( FALSE );
8021         }
8022         else if ( m_rowLabelWidth == 0 )
8023         {
8024             m_rowLabelWin->Show( TRUE );
8025             if ( m_colLabelHeight > 0 ) m_cornerLabelWin->Show( TRUE );
8026         }
8027
8028         m_rowLabelWidth = width;
8029         CalcWindowSizes();
8030         wxScrolledWindow::Refresh( TRUE );
8031     }
8032 }
8033
8034
8035 void wxGrid::SetColLabelSize( int height )
8036 {
8037     height = wxMax( height, 0 );
8038     if ( height != m_colLabelHeight )
8039     {
8040         if ( height == 0 )
8041         {
8042             m_colLabelWin->Show( FALSE );
8043             m_cornerLabelWin->Show( FALSE );
8044         }
8045         else if ( m_colLabelHeight == 0 )
8046         {
8047             m_colLabelWin->Show( TRUE );
8048             if ( m_rowLabelWidth > 0 ) m_cornerLabelWin->Show( TRUE );
8049         }
8050
8051         m_colLabelHeight = height;
8052         CalcWindowSizes();
8053         wxScrolledWindow::Refresh( TRUE );
8054     }
8055 }
8056
8057
8058 void wxGrid::SetLabelBackgroundColour( const wxColour& colour )
8059 {
8060     if ( m_labelBackgroundColour != colour )
8061     {
8062         m_labelBackgroundColour = colour;
8063         m_rowLabelWin->SetBackgroundColour( colour );
8064         m_colLabelWin->SetBackgroundColour( colour );
8065         m_cornerLabelWin->SetBackgroundColour( colour );
8066
8067         if ( !GetBatchCount() )
8068         {
8069             m_rowLabelWin->Refresh();
8070             m_colLabelWin->Refresh();
8071             m_cornerLabelWin->Refresh();
8072         }
8073     }
8074 }
8075
8076 void wxGrid::SetLabelTextColour( const wxColour& colour )
8077 {
8078     if ( m_labelTextColour != colour )
8079     {
8080         m_labelTextColour = colour;
8081         if ( !GetBatchCount() )
8082         {
8083             m_rowLabelWin->Refresh();
8084             m_colLabelWin->Refresh();
8085         }
8086     }
8087 }
8088
8089 void wxGrid::SetLabelFont( const wxFont& font )
8090 {
8091     m_labelFont = font;
8092     if ( !GetBatchCount() )
8093     {
8094         m_rowLabelWin->Refresh();
8095         m_colLabelWin->Refresh();
8096     }
8097 }
8098
8099 void wxGrid::SetRowLabelAlignment( int horiz, int vert )
8100 {
8101     // allow old (incorrect) defs to be used
8102     switch ( horiz )
8103     {
8104         case wxLEFT:   horiz = wxALIGN_LEFT; break;
8105         case wxRIGHT:  horiz = wxALIGN_RIGHT; break;
8106         case wxCENTRE: horiz = wxALIGN_CENTRE; break;
8107     }
8108
8109     switch ( vert )
8110     {
8111         case wxTOP:    vert = wxALIGN_TOP;    break;
8112         case wxBOTTOM: vert = wxALIGN_BOTTOM; break;
8113         case wxCENTRE: vert = wxALIGN_CENTRE; break;
8114     }
8115
8116     if ( horiz == wxALIGN_LEFT || horiz == wxALIGN_CENTRE || horiz == wxALIGN_RIGHT )
8117     {
8118         m_rowLabelHorizAlign = horiz;
8119     }
8120
8121     if ( vert == wxALIGN_TOP || vert == wxALIGN_CENTRE || vert == wxALIGN_BOTTOM )
8122     {
8123         m_rowLabelVertAlign = vert;
8124     }
8125
8126     if ( !GetBatchCount() )
8127     {
8128         m_rowLabelWin->Refresh();
8129     }
8130 }
8131
8132 void wxGrid::SetColLabelAlignment( int horiz, int vert )
8133 {
8134     // allow old (incorrect) defs to be used
8135     switch ( horiz )
8136     {
8137         case wxLEFT:   horiz = wxALIGN_LEFT; break;
8138         case wxRIGHT:  horiz = wxALIGN_RIGHT; break;
8139         case wxCENTRE: horiz = wxALIGN_CENTRE; break;
8140     }
8141
8142     switch ( vert )
8143     {
8144         case wxTOP:    vert = wxALIGN_TOP;    break;
8145         case wxBOTTOM: vert = wxALIGN_BOTTOM; break;
8146         case wxCENTRE: vert = wxALIGN_CENTRE; break;
8147     }
8148
8149     if ( horiz == wxALIGN_LEFT || horiz == wxALIGN_CENTRE || horiz == wxALIGN_RIGHT )
8150     {
8151         m_colLabelHorizAlign = horiz;
8152     }
8153
8154     if ( vert == wxALIGN_TOP || vert == wxALIGN_CENTRE || vert == wxALIGN_BOTTOM )
8155     {
8156         m_colLabelVertAlign = vert;
8157     }
8158
8159     if ( !GetBatchCount() )
8160     {
8161         m_colLabelWin->Refresh();
8162     }
8163 }
8164
8165 void wxGrid::SetRowLabelValue( int row, const wxString& s )
8166 {
8167     if ( m_table )
8168     {
8169         m_table->SetRowLabelValue( row, s );
8170         if ( !GetBatchCount() )
8171         {
8172             wxRect rect = CellToRect( row, 0);
8173             if ( rect.height > 0 )
8174             {
8175                 CalcScrolledPosition(0, rect.y, &rect.x, &rect.y);
8176                 rect.x = 0;
8177                 rect.width = m_rowLabelWidth;
8178                 m_rowLabelWin->Refresh( TRUE, &rect );
8179             }
8180         }
8181     }
8182 }
8183
8184 void wxGrid::SetColLabelValue( int col, const wxString& s )
8185 {
8186     if ( m_table )
8187     {
8188         m_table->SetColLabelValue( col, s );
8189         if ( !GetBatchCount() )
8190         {
8191             wxRect rect = CellToRect( 0, col );
8192             if ( rect.width > 0 )
8193             {
8194                 CalcScrolledPosition(rect.x, 0, &rect.x, &rect.y);
8195                 rect.y = 0;
8196                 rect.height = m_colLabelHeight;
8197                 m_colLabelWin->Refresh( TRUE, &rect );
8198             }
8199         }
8200     }
8201 }
8202
8203 void wxGrid::SetGridLineColour( const wxColour& colour )
8204 {
8205     if ( m_gridLineColour != colour )
8206     {
8207         m_gridLineColour = colour;
8208
8209         wxClientDC dc( m_gridWin );
8210         PrepareDC( dc );
8211         DrawAllGridLines( dc, wxRegion() );
8212     }
8213 }
8214
8215
8216 void wxGrid::SetCellHighlightColour( const wxColour& colour )
8217 {
8218     if ( m_cellHighlightColour != colour )
8219     {
8220         m_cellHighlightColour = colour;
8221
8222         wxClientDC dc( m_gridWin );
8223         PrepareDC( dc );
8224         wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords);
8225         DrawCellHighlight(dc, attr);
8226         attr->DecRef();
8227     }
8228 }
8229
8230 void wxGrid::SetCellHighlightPenWidth(int width)
8231 {
8232     if (m_cellHighlightPenWidth != width) {
8233         m_cellHighlightPenWidth = width;
8234
8235         // Just redrawing the cell highlight is not enough since that won't
8236         // make any visible change if the the thickness is getting smaller.
8237         int row = m_currentCellCoords.GetRow();
8238         int col = m_currentCellCoords.GetCol();
8239         if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
8240             return;
8241         wxRect rect = CellToRect(row, col);
8242         m_gridWin->Refresh(TRUE, &rect);
8243     }
8244 }
8245
8246 void wxGrid::SetCellHighlightROPenWidth(int width)
8247 {
8248     if (m_cellHighlightROPenWidth != width) {
8249         m_cellHighlightROPenWidth = width;
8250
8251         // Just redrawing the cell highlight is not enough since that won't
8252         // make any visible change if the the thickness is getting smaller.
8253         int row = m_currentCellCoords.GetRow();
8254         int col = m_currentCellCoords.GetCol();
8255         if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
8256             return;
8257         wxRect rect = CellToRect(row, col);
8258         m_gridWin->Refresh(TRUE, &rect);
8259     }
8260 }
8261
8262 void wxGrid::EnableGridLines( bool enable )
8263 {
8264     if ( enable != m_gridLinesEnabled )
8265     {
8266         m_gridLinesEnabled = enable;
8267
8268         if ( !GetBatchCount() )
8269         {
8270             if ( enable )
8271             {
8272                 wxClientDC dc( m_gridWin );
8273                 PrepareDC( dc );
8274                 DrawAllGridLines( dc, wxRegion() );
8275             }
8276             else
8277             {
8278                 m_gridWin->Refresh();
8279             }
8280         }
8281     }
8282 }
8283
8284
8285 int wxGrid::GetDefaultRowSize()
8286 {
8287     return m_defaultRowHeight;
8288 }
8289
8290 int wxGrid::GetRowSize( int row )
8291 {
8292     wxCHECK_MSG( row >= 0 && row < m_numRows, 0, _T("invalid row index") );
8293
8294     return GetRowHeight(row);
8295 }
8296
8297 int wxGrid::GetDefaultColSize()
8298 {
8299     return m_defaultColWidth;
8300 }
8301
8302 int wxGrid::GetColSize( int col )
8303 {
8304     wxCHECK_MSG( col >= 0 && col < m_numCols, 0, _T("invalid column index") );
8305
8306     return GetColWidth(col);
8307 }
8308
8309 // ============================================================================
8310 // access to the grid attributes: each of them has a default value in the grid
8311 // itself and may be overidden on a per-cell basis
8312 // ============================================================================
8313
8314 // ----------------------------------------------------------------------------
8315 // setting default attributes
8316 // ----------------------------------------------------------------------------
8317
8318 void wxGrid::SetDefaultCellBackgroundColour( const wxColour& col )
8319 {
8320     m_defaultCellAttr->SetBackgroundColour(col);
8321 #ifdef __WXGTK__
8322     m_gridWin->SetBackgroundColour(col);
8323 #endif
8324 }
8325
8326 void wxGrid::SetDefaultCellTextColour( const wxColour& col )
8327 {
8328     m_defaultCellAttr->SetTextColour(col);
8329 }
8330
8331 void wxGrid::SetDefaultCellAlignment( int horiz, int vert )
8332 {
8333     m_defaultCellAttr->SetAlignment(horiz, vert);
8334 }
8335
8336 void wxGrid::SetDefaultCellOverflow( bool allow )
8337 {
8338     m_defaultCellAttr->SetOverflow(allow);
8339 }
8340
8341 void wxGrid::SetDefaultCellFont( const wxFont& font )
8342 {
8343     m_defaultCellAttr->SetFont(font);
8344 }
8345
8346 void wxGrid::SetDefaultRenderer(wxGridCellRenderer *renderer)
8347 {
8348     m_defaultCellAttr->SetRenderer(renderer);
8349 }
8350
8351 void wxGrid::SetDefaultEditor(wxGridCellEditor *editor)
8352 {
8353     m_defaultCellAttr->SetEditor(editor);
8354 }
8355
8356 // ----------------------------------------------------------------------------
8357 // access to the default attrbiutes
8358 // ----------------------------------------------------------------------------
8359
8360 wxColour wxGrid::GetDefaultCellBackgroundColour()
8361 {
8362     return m_defaultCellAttr->GetBackgroundColour();
8363 }
8364
8365 wxColour wxGrid::GetDefaultCellTextColour()
8366 {
8367     return m_defaultCellAttr->GetTextColour();
8368 }
8369
8370 wxFont wxGrid::GetDefaultCellFont()
8371 {
8372     return m_defaultCellAttr->GetFont();
8373 }
8374
8375 void wxGrid::GetDefaultCellAlignment( int *horiz, int *vert )
8376 {
8377     m_defaultCellAttr->GetAlignment(horiz, vert);
8378 }
8379
8380 bool wxGrid::GetDefaultCellOverflow()
8381 {
8382     return m_defaultCellAttr->GetOverflow();
8383 }
8384
8385 wxGridCellRenderer *wxGrid::GetDefaultRenderer() const
8386 {
8387     return m_defaultCellAttr->GetRenderer(NULL, 0, 0);
8388 }
8389
8390 wxGridCellEditor *wxGrid::GetDefaultEditor() const
8391 {
8392     return m_defaultCellAttr->GetEditor(NULL,0,0);
8393 }
8394
8395 // ----------------------------------------------------------------------------
8396 // access to cell attributes
8397 // ----------------------------------------------------------------------------
8398
8399 wxColour wxGrid::GetCellBackgroundColour(int row, int col)
8400 {
8401     wxGridCellAttr *attr = GetCellAttr(row, col);
8402     wxColour colour = attr->GetBackgroundColour();
8403     attr->DecRef();
8404     return colour;
8405 }
8406
8407 wxColour wxGrid::GetCellTextColour( int row, int col )
8408 {
8409     wxGridCellAttr *attr = GetCellAttr(row, col);
8410     wxColour colour = attr->GetTextColour();
8411     attr->DecRef();
8412     return colour;
8413 }
8414
8415 wxFont wxGrid::GetCellFont( int row, int col )
8416 {
8417     wxGridCellAttr *attr = GetCellAttr(row, col);
8418     wxFont font = attr->GetFont();
8419     attr->DecRef();
8420     return font;
8421 }
8422
8423 void wxGrid::GetCellAlignment( int row, int col, int *horiz, int *vert )
8424 {
8425     wxGridCellAttr *attr = GetCellAttr(row, col);
8426     attr->GetAlignment(horiz, vert);
8427     attr->DecRef();
8428 }
8429
8430 bool wxGrid::GetCellOverflow( int row, int col )
8431 {
8432     wxGridCellAttr *attr = GetCellAttr(row, col);
8433     bool allow = attr->GetOverflow();
8434     attr->DecRef();
8435     return allow;
8436 }
8437
8438 void wxGrid::GetCellSize( int row, int col, int *num_rows, int *num_cols )
8439 {
8440     wxGridCellAttr *attr = GetCellAttr(row, col);
8441     attr->GetSize( num_rows, num_cols );
8442     attr->DecRef();
8443 }
8444
8445 wxGridCellRenderer* wxGrid::GetCellRenderer(int row, int col)
8446 {
8447     wxGridCellAttr* attr = GetCellAttr(row, col);
8448     wxGridCellRenderer* renderer = attr->GetRenderer(this, row, col);
8449     attr->DecRef();
8450
8451     return renderer;
8452 }
8453
8454 wxGridCellEditor* wxGrid::GetCellEditor(int row, int col)
8455 {
8456     wxGridCellAttr* attr = GetCellAttr(row, col);
8457     wxGridCellEditor* editor = attr->GetEditor(this, row, col);
8458     attr->DecRef();
8459
8460     return editor;
8461 }
8462
8463 bool wxGrid::IsReadOnly(int row, int col) const
8464 {
8465     wxGridCellAttr* attr = GetCellAttr(row, col);
8466     bool isReadOnly = attr->IsReadOnly();
8467     attr->DecRef();
8468     return isReadOnly;
8469 }
8470
8471 // ----------------------------------------------------------------------------
8472 // attribute support: cache, automatic provider creation, ...
8473 // ----------------------------------------------------------------------------
8474
8475 bool wxGrid::CanHaveAttributes()
8476 {
8477     if ( !m_table )
8478     {
8479         return FALSE;
8480     }
8481
8482     return m_table->CanHaveAttributes();
8483 }
8484
8485 void wxGrid::ClearAttrCache()
8486 {
8487     if ( m_attrCache.row != -1 )
8488     {
8489         wxSafeDecRef(m_attrCache.attr);
8490         m_attrCache.attr = NULL;
8491         m_attrCache.row = -1;
8492     }
8493 }
8494
8495 void wxGrid::CacheAttr(int row, int col, wxGridCellAttr *attr) const
8496 {
8497     wxGrid *self = (wxGrid *)this;  // const_cast
8498
8499     self->ClearAttrCache();
8500     self->m_attrCache.row = row;
8501     self->m_attrCache.col = col;
8502     self->m_attrCache.attr = attr;
8503     wxSafeIncRef(attr);
8504 }
8505
8506 bool wxGrid::LookupAttr(int row, int col, wxGridCellAttr **attr) const
8507 {
8508     if ( row == m_attrCache.row && col == m_attrCache.col )
8509     {
8510         *attr = m_attrCache.attr;
8511         wxSafeIncRef(m_attrCache.attr);
8512
8513 #ifdef DEBUG_ATTR_CACHE
8514         gs_nAttrCacheHits++;
8515 #endif
8516
8517         return TRUE;
8518     }
8519     else
8520     {
8521 #ifdef DEBUG_ATTR_CACHE
8522         gs_nAttrCacheMisses++;
8523 #endif
8524         return FALSE;
8525     }
8526 }
8527
8528 wxGridCellAttr *wxGrid::GetCellAttr(int row, int col) const
8529 {
8530     wxGridCellAttr *attr = NULL;
8531     // Additional test to avoid looking at the cache e.g. for
8532     // wxNoCellCoords, as this will confuse memory management.
8533     if ( row >= 0 )
8534     {
8535         if ( !LookupAttr(row, col, &attr) )
8536         {
8537             attr = m_table ? m_table->GetAttr(row, col , wxGridCellAttr::Any)
8538                            : (wxGridCellAttr *)NULL;
8539             CacheAttr(row, col, attr);
8540         }
8541     }
8542     if (attr)
8543     {
8544         attr->SetDefAttr(m_defaultCellAttr);
8545     }
8546     else
8547     {
8548         attr = m_defaultCellAttr;
8549         attr->IncRef();
8550     }
8551
8552     return attr;
8553 }
8554
8555 wxGridCellAttr *wxGrid::GetOrCreateCellAttr(int row, int col) const
8556 {
8557     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
8558
8559     wxCHECK_MSG( m_table, attr,
8560                   _T("we may only be called if CanHaveAttributes() returned TRUE and then m_table should be !NULL") );
8561
8562     attr = m_table->GetAttr(row, col, wxGridCellAttr::Cell);
8563     if ( !attr )
8564     {
8565         attr = new wxGridCellAttr(m_defaultCellAttr);
8566
8567         // artificially inc the ref count to match DecRef() in caller
8568         attr->IncRef();
8569         m_table->SetAttr(attr, row, col);
8570     }
8571
8572     return attr;
8573 }
8574
8575 // ----------------------------------------------------------------------------
8576 // setting column attributes (wrappers around SetColAttr)
8577 // ----------------------------------------------------------------------------
8578
8579 void wxGrid::SetColFormatBool(int col)
8580 {
8581     SetColFormatCustom(col, wxGRID_VALUE_BOOL);
8582 }
8583
8584 void wxGrid::SetColFormatNumber(int col)
8585 {
8586     SetColFormatCustom(col, wxGRID_VALUE_NUMBER);
8587 }
8588
8589 void wxGrid::SetColFormatFloat(int col, int width, int precision)
8590 {
8591     wxString typeName = wxGRID_VALUE_FLOAT;
8592     if ( (width != -1) || (precision != -1) )
8593     {
8594         typeName << _T(':') << width << _T(',') << precision;
8595     }
8596
8597     SetColFormatCustom(col, typeName);
8598 }
8599
8600 void wxGrid::SetColFormatCustom(int col, const wxString& typeName)
8601 {
8602     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
8603
8604     attr = m_table->GetAttr(-1, col, wxGridCellAttr::Col );
8605     if(!attr)
8606         attr = new wxGridCellAttr;
8607     wxGridCellRenderer *renderer = GetDefaultRendererForType(typeName);
8608     attr->SetRenderer(renderer);
8609
8610     SetColAttr(col, attr);
8611
8612 }
8613
8614 // ----------------------------------------------------------------------------
8615 // setting cell attributes: this is forwarded to the table
8616 // ----------------------------------------------------------------------------
8617
8618 void wxGrid::SetAttr(int row, int col, wxGridCellAttr *attr)
8619 {
8620     if ( CanHaveAttributes() )
8621     {
8622         m_table->SetAttr(attr, row, col);
8623         ClearAttrCache();
8624     }
8625     else
8626     {
8627         wxSafeDecRef(attr);
8628     }
8629 }
8630
8631 void wxGrid::SetRowAttr(int row, wxGridCellAttr *attr)
8632 {
8633     if ( CanHaveAttributes() )
8634     {
8635         m_table->SetRowAttr(attr, row);
8636         ClearAttrCache();
8637     }
8638     else
8639     {
8640         wxSafeDecRef(attr);
8641     }
8642 }
8643
8644 void wxGrid::SetColAttr(int col, wxGridCellAttr *attr)
8645 {
8646     if ( CanHaveAttributes() )
8647     {
8648         m_table->SetColAttr(attr, col);
8649         ClearAttrCache();
8650     }
8651     else
8652     {
8653         wxSafeDecRef(attr);
8654     }
8655 }
8656
8657 void wxGrid::SetCellBackgroundColour( int row, int col, const wxColour& colour )
8658 {
8659     if ( CanHaveAttributes() )
8660     {
8661         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8662         attr->SetBackgroundColour(colour);
8663         attr->DecRef();
8664     }
8665 }
8666
8667 void wxGrid::SetCellTextColour( int row, int col, const wxColour& colour )
8668 {
8669     if ( CanHaveAttributes() )
8670     {
8671         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8672         attr->SetTextColour(colour);
8673         attr->DecRef();
8674     }
8675 }
8676
8677 void wxGrid::SetCellFont( int row, int col, const wxFont& font )
8678 {
8679     if ( CanHaveAttributes() )
8680     {
8681         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8682         attr->SetFont(font);
8683         attr->DecRef();
8684     }
8685 }
8686
8687 void wxGrid::SetCellAlignment( int row, int col, int horiz, int vert )
8688 {
8689     if ( CanHaveAttributes() )
8690     {
8691         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8692         attr->SetAlignment(horiz, vert);
8693         attr->DecRef();
8694     }
8695 }
8696
8697 void wxGrid::SetCellOverflow( int row, int col, bool allow )
8698 {
8699     if ( CanHaveAttributes() )
8700     {
8701         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8702         attr->SetOverflow(allow);
8703         attr->DecRef();
8704     }
8705 }
8706
8707 void wxGrid::SetCellSize( int row, int col, int num_rows, int num_cols )
8708 {
8709     if ( CanHaveAttributes() )
8710     {
8711         int cell_rows, cell_cols;
8712
8713         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8714         attr->GetSize(&cell_rows, &cell_cols);
8715         attr->SetSize(num_rows, num_cols);
8716         attr->DecRef();
8717
8718         // Cannot set the size of a cell to 0 or negative values
8719         // While it is perfectly legal to do that, this function cannot
8720         // handle all the possibilies, do it by hand by getting the CellAttr.
8721         // You can only set the size of a cell to 1,1 or greater with this fn
8722         wxASSERT_MSG( !((cell_rows < 1) || (cell_cols < 1)),
8723                       wxT("wxGrid::SetCellSize setting cell size that is already part of another cell"));
8724         wxASSERT_MSG( !((num_rows < 1) || (num_cols < 1)),
8725                       wxT("wxGrid::SetCellSize setting cell size to < 1"));
8726
8727         // if this was already a multicell then "turn off" the other cells first
8728         if ((cell_rows > 1) || (cell_rows > 1))
8729         {
8730             int i, j;
8731             for (j=row; j<row+cell_rows; j++)
8732             {
8733                 for (i=col; i<col+cell_cols; i++)
8734                 {
8735                     if ((i != col) || (j != row))
8736                     {
8737                         wxGridCellAttr *attr_stub = GetOrCreateCellAttr(j, i);
8738                         attr_stub->SetSize( 1, 1 );
8739                         attr_stub->DecRef();
8740                     }
8741                 }
8742             }
8743         }
8744
8745         // mark the cells that will be covered by this cell to
8746         // negative or zero values to point back at this cell
8747         if (((num_rows > 1) || (num_cols > 1)) && (num_rows >= 1) && (num_cols >= 1))
8748         {
8749             int i, j;
8750             for (j=row; j<row+num_rows; j++)
8751             {
8752                 for (i=col; i<col+num_cols; i++)
8753                 {
8754                     if ((i != col) || (j != row))
8755                     {
8756                         wxGridCellAttr *attr_stub = GetOrCreateCellAttr(j, i);
8757                         attr_stub->SetSize( row-j, col-i );
8758                         attr_stub->DecRef();
8759                     }
8760                 }
8761             }
8762         }
8763     }
8764 }
8765
8766 void wxGrid::SetCellRenderer(int row, int col, wxGridCellRenderer *renderer)
8767 {
8768     if ( CanHaveAttributes() )
8769     {
8770         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8771         attr->SetRenderer(renderer);
8772         attr->DecRef();
8773     }
8774 }
8775
8776 void wxGrid::SetCellEditor(int row, int col, wxGridCellEditor* editor)
8777 {
8778     if ( CanHaveAttributes() )
8779     {
8780         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8781         attr->SetEditor(editor);
8782         attr->DecRef();
8783     }
8784 }
8785
8786 void wxGrid::SetReadOnly(int row, int col, bool isReadOnly)
8787 {
8788     if ( CanHaveAttributes() )
8789     {
8790         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8791         attr->SetReadOnly(isReadOnly);
8792         attr->DecRef();
8793     }
8794 }
8795
8796 // ----------------------------------------------------------------------------
8797 // Data type registration
8798 // ----------------------------------------------------------------------------
8799
8800 void wxGrid::RegisterDataType(const wxString& typeName,
8801                               wxGridCellRenderer* renderer,
8802                               wxGridCellEditor* editor)
8803 {
8804     m_typeRegistry->RegisterDataType(typeName, renderer, editor);
8805 }
8806
8807
8808 wxGridCellEditor* wxGrid::GetDefaultEditorForCell(int row, int col) const
8809 {
8810     wxString typeName = m_table->GetTypeName(row, col);
8811     return GetDefaultEditorForType(typeName);
8812 }
8813
8814 wxGridCellRenderer* wxGrid::GetDefaultRendererForCell(int row, int col) const
8815 {
8816     wxString typeName = m_table->GetTypeName(row, col);
8817     return GetDefaultRendererForType(typeName);
8818 }
8819
8820 wxGridCellEditor*
8821 wxGrid::GetDefaultEditorForType(const wxString& typeName) const
8822 {
8823     int index = m_typeRegistry->FindOrCloneDataType(typeName);
8824     if ( index == wxNOT_FOUND )
8825     {
8826         wxFAIL_MSG(wxT("Unknown data type name"));
8827
8828         return NULL;
8829     }
8830
8831     return m_typeRegistry->GetEditor(index);
8832 }
8833
8834 wxGridCellRenderer*
8835 wxGrid::GetDefaultRendererForType(const wxString& typeName) const
8836 {
8837     int index = m_typeRegistry->FindOrCloneDataType(typeName);
8838     if ( index == wxNOT_FOUND )
8839     {
8840         wxFAIL_MSG(wxT("Unknown data type name"));
8841
8842         return NULL;
8843     }
8844
8845     return m_typeRegistry->GetRenderer(index);
8846 }
8847
8848
8849 // ----------------------------------------------------------------------------
8850 // row/col size
8851 // ----------------------------------------------------------------------------
8852
8853 void wxGrid::EnableDragRowSize( bool enable )
8854 {
8855     m_canDragRowSize = enable;
8856 }
8857
8858
8859 void wxGrid::EnableDragColSize( bool enable )
8860 {
8861     m_canDragColSize = enable;
8862 }
8863
8864 void wxGrid::EnableDragGridSize( bool enable )
8865 {
8866     m_canDragGridSize = enable;
8867 }
8868
8869
8870 void wxGrid::SetDefaultRowSize( int height, bool resizeExistingRows )
8871 {
8872     m_defaultRowHeight = wxMax( height, WXGRID_MIN_ROW_HEIGHT );
8873
8874     if ( resizeExistingRows )
8875     {
8876         // since we are resizing all rows to the default row size,
8877         // we can simply clear the row heights and row bottoms
8878         // arrays (which also allows us to take advantage of
8879         // some speed optimisations)
8880         m_rowHeights.Empty();
8881         m_rowBottoms.Empty();
8882         if ( !GetBatchCount() )
8883             CalcDimensions();
8884     }
8885 }
8886
8887 void wxGrid::SetRowSize( int row, int height )
8888 {
8889     wxCHECK_RET( row >= 0 && row < m_numRows, _T("invalid row index") );
8890
8891     if ( m_rowHeights.IsEmpty() )
8892     {
8893         // need to really create the array
8894         InitRowHeights();
8895     }
8896
8897     int h = wxMax( 0, height );
8898     int diff = h - m_rowHeights[row];
8899
8900     m_rowHeights[row] = h;
8901     int i;
8902     for ( i = row;  i < m_numRows;  i++ )
8903     {
8904         m_rowBottoms[i] += diff;
8905     }
8906     if ( !GetBatchCount() )
8907         CalcDimensions();
8908 }
8909
8910 void wxGrid::SetDefaultColSize( int width, bool resizeExistingCols )
8911 {
8912     m_defaultColWidth = wxMax( width, WXGRID_MIN_COL_WIDTH );
8913
8914     if ( resizeExistingCols )
8915     {
8916         // since we are resizing all columns to the default column size,
8917         // we can simply clear the col widths and col rights
8918         // arrays (which also allows us to take advantage of
8919         // some speed optimisations)
8920         m_colWidths.Empty();
8921         m_colRights.Empty();
8922         if ( !GetBatchCount() )
8923             CalcDimensions();
8924     }
8925 }
8926
8927 void wxGrid::SetColSize( int col, int width )
8928 {
8929     wxCHECK_RET( col >= 0 && col < m_numCols, _T("invalid column index") );
8930
8931     // should we check that it's bigger than GetColMinimalWidth(col) here?
8932
8933     if ( m_colWidths.IsEmpty() )
8934     {
8935         // need to really create the array
8936         InitColWidths();
8937     }
8938
8939     int w = wxMax( 0, width );
8940     int diff = w - m_colWidths[col];
8941     m_colWidths[col] = w;
8942
8943     int i;
8944     for ( i = col;  i < m_numCols;  i++ )
8945     {
8946         m_colRights[i] += diff;
8947     }
8948     if ( !GetBatchCount() )
8949         CalcDimensions();
8950 }
8951
8952
8953 void wxGrid::SetColMinimalWidth( int col, int width )
8954 {
8955     m_colMinWidths.Put(col, width);
8956 }
8957
8958 void wxGrid::SetRowMinimalHeight( int row, int width )
8959 {
8960     m_rowMinHeights.Put(row, width);
8961 }
8962
8963 int wxGrid::GetColMinimalWidth(int col) const
8964 {
8965     long value = m_colMinWidths.Get(col);
8966     return value != wxNOT_FOUND ? (int)value : WXGRID_MIN_COL_WIDTH;
8967 }
8968
8969 int wxGrid::GetRowMinimalHeight(int row) const
8970 {
8971     long value = m_rowMinHeights.Get(row);
8972     return value != wxNOT_FOUND ? (int)value : WXGRID_MIN_ROW_HEIGHT;
8973 }
8974
8975 // ----------------------------------------------------------------------------
8976 // auto sizing
8977 // ----------------------------------------------------------------------------
8978
8979 void wxGrid::AutoSizeColOrRow( int colOrRow, bool setAsMin, bool column )
8980 {
8981     wxClientDC dc(m_gridWin);
8982
8983     // init both of them to avoid compiler warnings, even if weo nly need one
8984     int row = -1,
8985         col = -1;
8986     if ( column )
8987         col = colOrRow;
8988     else
8989         row = colOrRow;
8990
8991     wxCoord extent, extentMax = 0;
8992     int max = column ? m_numRows : m_numCols;
8993     for ( int rowOrCol = 0; rowOrCol < max; rowOrCol++ )
8994     {
8995         if ( column )
8996             row = rowOrCol;
8997         else
8998             col = rowOrCol;
8999
9000         wxGridCellAttr* attr = GetCellAttr(row, col);
9001         wxGridCellRenderer* renderer = attr->GetRenderer(this, row, col);
9002         if ( renderer )
9003         {
9004             wxSize size = renderer->GetBestSize(*this, *attr, dc, row, col);
9005             extent = column ? size.x : size.y;
9006             if ( extent > extentMax )
9007             {
9008                 extentMax = extent;
9009             }
9010
9011             renderer->DecRef();
9012         }
9013
9014         attr->DecRef();
9015     }
9016
9017     // now also compare with the column label extent
9018     wxCoord w, h;
9019     dc.SetFont( GetLabelFont() );
9020
9021     if ( column )
9022         dc.GetTextExtent( GetColLabelValue(col), &w, &h );
9023     else
9024         dc.GetTextExtent( GetRowLabelValue(row), &w, &h );
9025
9026     extent = column ? w : h;
9027     if ( extent > extentMax )
9028     {
9029         extentMax = extent;
9030     }
9031
9032     if ( !extentMax )
9033     {
9034         // empty column - give default extent (notice that if extentMax is less
9035         // than default extent but != 0, it's ok)
9036         extentMax = column ? m_defaultColWidth : m_defaultRowHeight;
9037     }
9038     else
9039     {
9040         if ( column )
9041         {
9042             // leave some space around text
9043             extentMax += 10;
9044         }
9045         else
9046         {
9047             extentMax += 6;
9048         }
9049     }
9050
9051     if ( column )
9052     {
9053         SetColSize(col, extentMax);
9054         if ( !GetBatchCount() )
9055         {
9056             int cw, ch, dummy;
9057             m_gridWin->GetClientSize( &cw, &ch );
9058             wxRect rect ( CellToRect( 0, col ) );
9059             rect.y = 0;
9060             CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
9061             rect.width = cw - rect.x;
9062             rect.height = m_colLabelHeight;
9063             m_colLabelWin->Refresh( TRUE, &rect );
9064         }
9065     }
9066     else
9067     {
9068         SetRowSize(row, extentMax);
9069         if ( !GetBatchCount() )
9070         {
9071             int cw, ch, dummy;
9072             m_gridWin->GetClientSize( &cw, &ch );
9073             wxRect rect ( CellToRect( row, 0 ) );
9074             rect.x = 0;
9075             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
9076             rect.width = m_rowLabelWidth;
9077             rect.height = ch - rect.y;
9078             m_rowLabelWin->Refresh( TRUE, &rect );
9079         }
9080     }
9081     if ( setAsMin )
9082     {
9083         if ( column )
9084             SetColMinimalWidth(col, extentMax);
9085         else
9086             SetRowMinimalHeight(row, extentMax);
9087     }
9088 }
9089
9090 int wxGrid::SetOrCalcColumnSizes(bool calcOnly, bool setAsMin)
9091 {
9092     int width = m_rowLabelWidth;
9093
9094     if ( !calcOnly )
9095         BeginBatch();
9096
9097     for ( int col = 0; col < m_numCols; col++ )
9098     {
9099         if ( !calcOnly )
9100         {
9101             AutoSizeColumn(col, setAsMin);
9102         }
9103
9104         width += GetColWidth(col);
9105     }
9106
9107     if ( !calcOnly )
9108         EndBatch();
9109
9110     return width;
9111 }
9112
9113 int wxGrid::SetOrCalcRowSizes(bool calcOnly, bool setAsMin)
9114 {
9115     int height = m_colLabelHeight;
9116
9117     if ( !calcOnly )
9118         BeginBatch();
9119
9120     for ( int row = 0; row < m_numRows; row++ )
9121     {
9122         if ( !calcOnly )
9123         {
9124             AutoSizeRow(row, setAsMin);
9125         }
9126
9127         height += GetRowHeight(row);
9128     }
9129
9130     if ( !calcOnly )
9131         EndBatch();
9132
9133     return height;
9134 }
9135
9136 void wxGrid::AutoSize()
9137 {
9138     BeginBatch();
9139
9140     wxSize size(SetOrCalcColumnSizes(FALSE), SetOrCalcRowSizes(FALSE));
9141
9142     // round up the size to a multiple of scroll step - this ensures that we
9143     // won't get the scrollbars if we're sized exactly to this width
9144     wxSize sizeFit(GetScrollX(size.x) * GRID_SCROLL_LINE_X,
9145                    GetScrollY(size.y) * GRID_SCROLL_LINE_Y);
9146
9147     // distribute the extra space between teh columns/rows to avoid having
9148     // extra white space
9149     wxCoord diff = sizeFit.x - size.x;
9150     if ( diff )
9151     {
9152         // try to resize the columns uniformly
9153         wxCoord diffPerCol = diff / m_numCols;
9154         if ( diffPerCol )
9155         {
9156             for ( int col = 0; col < m_numCols; col++ )
9157             {
9158                 SetColSize(col, GetColWidth(col) + diffPerCol);
9159             }
9160         }
9161
9162         // add remaining amount to the last columns
9163         diff -= diffPerCol * m_numCols;
9164         if ( diff )
9165         {
9166             for ( int col = m_numCols - 1; col >= m_numCols - diff; col-- )
9167             {
9168                 SetColSize(col, GetColWidth(col) + 1);
9169             }
9170         }
9171     }
9172
9173     // same for rows
9174     diff = sizeFit.y - size.y;
9175     if ( diff )
9176     {
9177         // try to resize the columns uniformly
9178         wxCoord diffPerRow = diff / m_numRows;
9179         if ( diffPerRow )
9180         {
9181             for ( int row = 0; row < m_numRows; row++ )
9182             {
9183                 SetRowSize(row, GetRowHeight(row) + diffPerRow);
9184             }
9185         }
9186
9187         // add remaining amount to the last rows
9188         diff -= diffPerRow * m_numRows;
9189         if ( diff )
9190         {
9191             for ( int row = m_numRows - 1; row >= m_numRows - diff; row-- )
9192             {
9193                 SetRowSize(row, GetRowHeight(row) + 1);
9194             }
9195         }
9196     }
9197
9198     EndBatch();
9199
9200     SetClientSize(sizeFit);
9201 }
9202
9203 wxSize wxGrid::DoGetBestSize() const
9204 {
9205     // don't set sizes, only calculate them
9206     wxGrid *self = (wxGrid *)this;  // const_cast
9207
9208     int width, height;
9209     width = self->SetOrCalcColumnSizes(TRUE);
9210     height = self->SetOrCalcRowSizes(TRUE);
9211
9212     int maxwidth, maxheight;
9213     wxDisplaySize( & maxwidth, & maxheight );
9214
9215     if ( width > maxwidth ) width = maxwidth;
9216     if ( height > maxheight ) height = maxheight;
9217
9218     return wxSize( width, height );
9219 }
9220
9221 void wxGrid::Fit()
9222 {
9223     AutoSize();
9224 }
9225
9226
9227 wxPen& wxGrid::GetDividerPen() const
9228 {
9229     return wxNullPen;
9230 }
9231
9232 // ----------------------------------------------------------------------------
9233 // cell value accessor functions
9234 // ----------------------------------------------------------------------------
9235
9236 void wxGrid::SetCellValue( int row, int col, const wxString& s )
9237 {
9238     if ( m_table )
9239     {
9240         m_table->SetValue( row, col, s );
9241         if ( !GetBatchCount() )
9242         {
9243             int dummy;
9244             wxRect rect( CellToRect( row, col ) );
9245             rect.x = 0;
9246             rect.width = m_gridWin->GetClientSize().GetWidth();
9247             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
9248             m_gridWin->Refresh( FALSE, &rect );
9249         }
9250
9251         if ( m_currentCellCoords.GetRow() == row &&
9252              m_currentCellCoords.GetCol() == col &&
9253              IsCellEditControlShown())
9254              // Note: If we are using IsCellEditControlEnabled,
9255              // this interacts badly with calling SetCellValue from
9256              // an EVT_GRID_CELL_CHANGE handler.
9257         {
9258             HideCellEditControl();
9259             ShowCellEditControl(); // will reread data from table
9260         }
9261     }
9262 }
9263
9264
9265 //
9266 // ------ Block, row and col selection
9267 //
9268
9269 void wxGrid::SelectRow( int row, bool addToSelected )
9270 {
9271     if ( IsSelection() && !addToSelected )
9272         ClearSelection();
9273
9274     if ( m_selection )
9275         m_selection->SelectRow( row, FALSE, addToSelected );
9276 }
9277
9278
9279 void wxGrid::SelectCol( int col, bool addToSelected )
9280 {
9281     if ( IsSelection() && !addToSelected )
9282         ClearSelection();
9283
9284     if ( m_selection )
9285         m_selection->SelectCol( col, FALSE, addToSelected );
9286 }
9287
9288
9289 void wxGrid::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol,
9290                           bool addToSelected )
9291 {
9292     if ( IsSelection() && !addToSelected )
9293         ClearSelection();
9294
9295     if ( m_selection )
9296         m_selection->SelectBlock( topRow, leftCol, bottomRow, rightCol,
9297                                   FALSE, addToSelected );
9298 }
9299
9300
9301 void wxGrid::SelectAll()
9302 {
9303     if ( m_numRows > 0 && m_numCols > 0 )
9304     {
9305         if ( m_selection )
9306             m_selection->SelectBlock( 0, 0, m_numRows-1, m_numCols-1 );
9307     }
9308 }
9309
9310 //
9311 // ------ Cell, row and col deselection
9312 //
9313
9314 void wxGrid::DeselectRow( int row )
9315 {
9316     if ( !m_selection )
9317         return;
9318
9319     if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectRows )
9320     {
9321         if ( m_selection->IsInSelection(row, 0 ) )
9322             m_selection->ToggleCellSelection( row, 0);
9323     }
9324     else
9325     {
9326         int nCols = GetNumberCols();
9327         for ( int i = 0; i < nCols ; i++ )
9328         {
9329             if ( m_selection->IsInSelection(row, i ) )
9330                 m_selection->ToggleCellSelection( row, i);
9331         }
9332     }
9333 }
9334
9335 void wxGrid::DeselectCol( int col )
9336 {
9337     if ( !m_selection )
9338         return;
9339
9340     if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectColumns )
9341     {
9342         if ( m_selection->IsInSelection(0, col ) )
9343             m_selection->ToggleCellSelection( 0, col);
9344     }
9345     else
9346     {
9347         int nRows = GetNumberRows();
9348         for ( int i = 0; i < nRows ; i++ )
9349         {
9350             if ( m_selection->IsInSelection(i, col ) )
9351                 m_selection->ToggleCellSelection(i, col);
9352         }
9353     }
9354 }
9355
9356 void wxGrid::DeselectCell( int row, int col )
9357 {
9358     if ( m_selection && m_selection->IsInSelection(row, col) )
9359         m_selection->ToggleCellSelection(row, col);
9360 }
9361
9362 bool wxGrid::IsSelection()
9363 {
9364     return ( m_selection && (m_selection->IsSelection() ||
9365              ( m_selectingTopLeft != wxGridNoCellCoords &&
9366                m_selectingBottomRight != wxGridNoCellCoords) ) );
9367 }
9368
9369 bool wxGrid::IsInSelection( int row, int col ) const
9370 {
9371     return ( m_selection && (m_selection->IsInSelection( row, col ) ||
9372              ( row >= m_selectingTopLeft.GetRow() &&
9373                col >= m_selectingTopLeft.GetCol() &&
9374                row <= m_selectingBottomRight.GetRow() &&
9375                col <= m_selectingBottomRight.GetCol() )) );
9376 }
9377
9378 void wxGrid::ClearSelection()
9379 {
9380     m_selectingTopLeft = wxGridNoCellCoords;
9381     m_selectingBottomRight = wxGridNoCellCoords;
9382     if ( m_selection )
9383         m_selection->ClearSelection();
9384 }
9385
9386
9387 // This function returns the rectangle that encloses the given block
9388 // in device coords clipped to the client size of the grid window.
9389 //
9390 wxRect wxGrid::BlockToDeviceRect( const wxGridCellCoords &topLeft,
9391                                   const wxGridCellCoords &bottomRight )
9392 {
9393     wxRect rect( wxGridNoCellRect );
9394     wxRect cellRect;
9395
9396     cellRect = CellToRect( topLeft );
9397     if ( cellRect != wxGridNoCellRect )
9398     {
9399         rect = cellRect;
9400     }
9401     else
9402     {
9403         rect = wxRect( 0, 0, 0, 0 );
9404     }
9405
9406     cellRect = CellToRect( bottomRight );
9407     if ( cellRect != wxGridNoCellRect )
9408     {
9409         rect += cellRect;
9410     }
9411     else
9412     {
9413         return wxGridNoCellRect;
9414     }
9415
9416     int i, j;
9417     int left = rect.GetLeft();
9418     int top = rect.GetTop();
9419     int right = rect.GetRight();
9420     int bottom = rect.GetBottom();
9421
9422     int leftCol = topLeft.GetCol();
9423     int topRow = topLeft.GetRow();
9424     int rightCol = bottomRight.GetCol();
9425     int bottomRow = bottomRight.GetRow();
9426
9427     if (left > right)
9428     {
9429         i = left;
9430         left = right;
9431         right = i;
9432         i = leftCol;
9433         leftCol=rightCol;
9434         rightCol = i;
9435     }
9436
9437     if (top > bottom)
9438     {
9439         i = top;
9440         top = bottom;
9441         bottom = i;
9442         i = topRow;
9443         topRow = bottomRow;
9444         bottomRow = i;
9445     }
9446
9447
9448     for ( j = topRow; j <= bottomRow; j++ )
9449     {
9450         for ( i = leftCol; i <= rightCol; i++ )
9451         {
9452             if ((j==topRow) || (j==bottomRow) || (i==leftCol) || (i==rightCol))
9453             {
9454                 cellRect = CellToRect( j, i );
9455
9456                 if (cellRect.x < left)
9457                     left = cellRect.x;
9458                 if (cellRect.y < top)
9459                     top = cellRect.y;
9460                 if (cellRect.x + cellRect.width > right)
9461                     right = cellRect.x + cellRect.width;
9462                 if (cellRect.y + cellRect.height > bottom)
9463                     bottom = cellRect.y + cellRect.height;
9464             }
9465             else i = rightCol; // jump over inner cells.
9466         }
9467     }
9468
9469     // convert to scrolled coords
9470     //
9471     CalcScrolledPosition( left, top, &left, &top );
9472     CalcScrolledPosition( right, bottom, &right, &bottom );
9473
9474     int cw, ch;
9475     m_gridWin->GetClientSize( &cw, &ch );
9476
9477     if (right < 0 || bottom < 0 || left > cw || top > ch)
9478         return wxRect( 0, 0, 0, 0);
9479
9480     rect.SetLeft( wxMax(0, left) );
9481     rect.SetTop( wxMax(0, top) );
9482     rect.SetRight( wxMin(cw, right) );
9483     rect.SetBottom( wxMin(ch, bottom) );
9484
9485     return rect;
9486 }
9487
9488
9489
9490 //
9491 // ------ Grid event classes
9492 //
9493
9494 IMPLEMENT_DYNAMIC_CLASS( wxGridEvent, wxNotifyEvent )
9495
9496 wxGridEvent::wxGridEvent( int id, wxEventType type, wxObject* obj,
9497                           int row, int col, int x, int y, bool sel,
9498                           bool control, bool shift, bool alt, bool meta )
9499         : wxNotifyEvent( type, id )
9500 {
9501     m_row = row;
9502     m_col = col;
9503     m_x = x;
9504     m_y = y;
9505     m_selecting = sel;
9506     m_control = control;
9507     m_shift = shift;
9508     m_alt = alt;
9509     m_meta = meta;
9510
9511     SetEventObject(obj);
9512 }
9513
9514
9515 IMPLEMENT_DYNAMIC_CLASS( wxGridSizeEvent, wxNotifyEvent )
9516
9517 wxGridSizeEvent::wxGridSizeEvent( int id, wxEventType type, wxObject* obj,
9518                                   int rowOrCol, int x, int y,
9519                                   bool control, bool shift, bool alt, bool meta )
9520         : wxNotifyEvent( type, id )
9521 {
9522     m_rowOrCol = rowOrCol;
9523     m_x = x;
9524     m_y = y;
9525     m_control = control;
9526     m_shift = shift;
9527     m_alt = alt;
9528     m_meta = meta;
9529
9530     SetEventObject(obj);
9531 }
9532
9533
9534 IMPLEMENT_DYNAMIC_CLASS( wxGridRangeSelectEvent, wxNotifyEvent )
9535
9536 wxGridRangeSelectEvent::wxGridRangeSelectEvent(int id, wxEventType type, wxObject* obj,
9537                                                const wxGridCellCoords& topLeft,
9538                                                const wxGridCellCoords& bottomRight,
9539                                                bool sel, bool control,
9540                                                bool shift, bool alt, bool meta )
9541         : wxNotifyEvent( type, id )
9542 {
9543     m_topLeft     = topLeft;
9544     m_bottomRight = bottomRight;
9545     m_selecting   = sel;
9546     m_control     = control;
9547     m_shift       = shift;
9548     m_alt         = alt;
9549     m_meta        = meta;
9550
9551     SetEventObject(obj);
9552 }
9553
9554
9555 IMPLEMENT_DYNAMIC_CLASS(wxGridEditorCreatedEvent, wxCommandEvent)
9556
9557 wxGridEditorCreatedEvent::wxGridEditorCreatedEvent(int id, wxEventType type,
9558                                                    wxObject* obj, int row,
9559                                                    int col, wxControl* ctrl)
9560     : wxCommandEvent(type, id)
9561 {
9562     SetEventObject(obj);
9563     m_row = row;
9564     m_col = col;
9565     m_ctrl = ctrl;
9566 }
9567
9568
9569 #endif // !wxUSE_NEW_GRID/wxUSE_NEW_GRID
9570
9571 #endif // wxUSE_GRID