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) == '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         wxFAIL_MSG( wxString::Format
3078                     (
3079                         wxT("Called wxGridStringTable::DeleteRows(pos=%lu, N=%lu)\nPos value is invalid for present table with %lu rows"),
3080                         (unsigned long)pos,
3081                         (unsigned long)numRows,
3082                         (unsigned long)curNumRows
3083                     ) );
3084
3085         return FALSE;
3086     }
3087
3088     if ( numRows > curNumRows - pos )
3089     {
3090         numRows = curNumRows - pos;
3091     }
3092
3093     if ( numRows >= curNumRows )
3094     {
3095         m_data.Empty();  // don't release memory just yet
3096     }
3097     else
3098     {
3099         m_data.RemoveAt( pos, numRows );
3100     }
3101     if ( GetView() )
3102     {
3103         wxGridTableMessage msg( this,
3104                                 wxGRIDTABLE_NOTIFY_ROWS_DELETED,
3105                                 pos,
3106                                 numRows );
3107
3108         GetView()->ProcessTableMessage( msg );
3109     }
3110
3111     return TRUE;
3112 }
3113
3114 bool wxGridStringTable::InsertCols( size_t pos, size_t numCols )
3115 {
3116     size_t row, col;
3117
3118     size_t curNumRows = m_data.GetCount();
3119     size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
3120                           ( GetView() ? GetView()->GetNumberCols() : 0 ) );
3121
3122     if ( pos >= curNumCols )
3123     {
3124         return AppendCols( numCols );
3125     }
3126
3127     for ( row = 0;  row < curNumRows;  row++ )
3128     {
3129         for ( col = pos;  col < pos + numCols;  col++ )
3130         {
3131             m_data[row].Insert( wxEmptyString, col );
3132         }
3133     }
3134     if ( GetView() )
3135     {
3136         wxGridTableMessage msg( this,
3137                                 wxGRIDTABLE_NOTIFY_COLS_INSERTED,
3138                                 pos,
3139                                 numCols );
3140
3141         GetView()->ProcessTableMessage( msg );
3142     }
3143
3144     return TRUE;
3145 }
3146
3147 bool wxGridStringTable::AppendCols( size_t numCols )
3148 {
3149     size_t row;
3150
3151     size_t curNumRows = m_data.GetCount();
3152 #if 0
3153     if ( !curNumRows )
3154     {
3155         // TODO: something better than this ?
3156         //
3157         wxFAIL_MSG( wxT("Unable to append cols to a grid table with no rows.\nCall AppendRows() first") );
3158         return FALSE;
3159     }
3160 #endif
3161
3162     for ( row = 0;  row < curNumRows;  row++ )
3163     {
3164         m_data[row].Add( wxEmptyString, numCols );
3165     }
3166
3167     if ( GetView() )
3168     {
3169         wxGridTableMessage msg( this,
3170                                 wxGRIDTABLE_NOTIFY_COLS_APPENDED,
3171                                 numCols );
3172
3173         GetView()->ProcessTableMessage( msg );
3174     }
3175
3176     return TRUE;
3177 }
3178
3179 bool wxGridStringTable::DeleteCols( size_t pos, size_t numCols )
3180 {
3181     size_t row;
3182
3183     size_t curNumRows = m_data.GetCount();
3184     size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
3185                           ( GetView() ? GetView()->GetNumberCols() : 0 ) );
3186
3187     if ( pos >= curNumCols )
3188     {
3189         wxFAIL_MSG( wxString::Format
3190                     (
3191                         wxT("Called wxGridStringTable::DeleteCols(pos=%lu, N=%lu)\nPos value is invalid for present table with %lu cols"),
3192                         (unsigned long)pos,
3193                         (unsigned long)numCols,
3194                         (unsigned long)curNumCols
3195                     ) );
3196         return FALSE;
3197     }
3198
3199     if ( numCols > curNumCols - pos )
3200     {
3201         numCols = curNumCols - pos;
3202     }
3203
3204     for ( row = 0;  row < curNumRows;  row++ )
3205     {
3206         if ( numCols >= curNumCols )
3207         {
3208             m_data[row].Clear();
3209         }
3210         else
3211         {
3212             m_data[row].RemoveAt( pos, numCols );
3213         }
3214     }
3215     if ( GetView() )
3216     {
3217         wxGridTableMessage msg( this,
3218                                 wxGRIDTABLE_NOTIFY_COLS_DELETED,
3219                                 pos,
3220                                 numCols );
3221
3222         GetView()->ProcessTableMessage( msg );
3223     }
3224
3225     return TRUE;
3226 }
3227
3228 wxString wxGridStringTable::GetRowLabelValue( int row )
3229 {
3230     if ( row > (int)(m_rowLabels.GetCount()) - 1 )
3231     {
3232         // using default label
3233         //
3234         return wxGridTableBase::GetRowLabelValue( row );
3235     }
3236     else
3237     {
3238         return m_rowLabels[ row ];
3239     }
3240 }
3241
3242 wxString wxGridStringTable::GetColLabelValue( int col )
3243 {
3244     if ( col > (int)(m_colLabels.GetCount()) - 1 )
3245     {
3246         // using default label
3247         //
3248         return wxGridTableBase::GetColLabelValue( col );
3249     }
3250     else
3251     {
3252         return m_colLabels[ col ];
3253     }
3254 }
3255
3256 void wxGridStringTable::SetRowLabelValue( int row, const wxString& value )
3257 {
3258     if ( row > (int)(m_rowLabels.GetCount()) - 1 )
3259     {
3260         int n = m_rowLabels.GetCount();
3261         int i;
3262         for ( i = n;  i <= row;  i++ )
3263         {
3264             m_rowLabels.Add( wxGridTableBase::GetRowLabelValue(i) );
3265         }
3266     }
3267
3268     m_rowLabels[row] = value;
3269 }
3270
3271 void wxGridStringTable::SetColLabelValue( int col, const wxString& value )
3272 {
3273     if ( col > (int)(m_colLabels.GetCount()) - 1 )
3274     {
3275         int n = m_colLabels.GetCount();
3276         int i;
3277         for ( i = n;  i <= col;  i++ )
3278         {
3279             m_colLabels.Add( wxGridTableBase::GetColLabelValue(i) );
3280         }
3281     }
3282
3283     m_colLabels[col] = value;
3284 }
3285
3286
3287
3288 //////////////////////////////////////////////////////////////////////
3289 //////////////////////////////////////////////////////////////////////
3290
3291 IMPLEMENT_DYNAMIC_CLASS( wxGridRowLabelWindow, wxWindow )
3292
3293 BEGIN_EVENT_TABLE( wxGridRowLabelWindow, wxWindow )
3294     EVT_PAINT( wxGridRowLabelWindow::OnPaint )
3295     EVT_MOUSEWHEEL( wxGridRowLabelWindow::OnMouseWheel)
3296     EVT_MOUSE_EVENTS( wxGridRowLabelWindow::OnMouseEvent )
3297     EVT_KEY_DOWN( wxGridRowLabelWindow::OnKeyDown )
3298     EVT_KEY_UP( wxGridRowLabelWindow::OnKeyUp )
3299 END_EVENT_TABLE()
3300
3301 wxGridRowLabelWindow::wxGridRowLabelWindow( wxGrid *parent,
3302                                             wxWindowID id,
3303                                             const wxPoint &pos, const wxSize &size )
3304   : wxWindow( parent, id, pos, size, wxWANTS_CHARS )
3305 {
3306     m_owner = parent;
3307 }
3308
3309 void wxGridRowLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
3310 {
3311     wxPaintDC dc(this);
3312
3313     // NO - don't do this because it will set both the x and y origin
3314     // coords to match the parent scrolled window and we just want to
3315     // set the y coord  - MB
3316     //
3317     // m_owner->PrepareDC( dc );
3318
3319     int x, y;
3320     m_owner->CalcUnscrolledPosition( 0, 0, &x, &y );
3321     dc.SetDeviceOrigin( 0, -y );
3322
3323     wxArrayInt rows = m_owner->CalcRowLabelsExposed( GetUpdateRegion() );
3324     m_owner->DrawRowLabels( dc , rows );
3325 }
3326
3327
3328 void wxGridRowLabelWindow::OnMouseEvent( wxMouseEvent& event )
3329 {
3330     m_owner->ProcessRowLabelMouseEvent( event );
3331 }
3332
3333
3334 void wxGridRowLabelWindow::OnMouseWheel( wxMouseEvent& event )
3335 {
3336     m_owner->GetEventHandler()->ProcessEvent(event);
3337 }
3338
3339
3340 // This seems to be required for wxMotif otherwise the mouse
3341 // cursor must be in the cell edit control to get key events
3342 //
3343 void wxGridRowLabelWindow::OnKeyDown( wxKeyEvent& event )
3344 {
3345     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3346 }
3347
3348 void wxGridRowLabelWindow::OnKeyUp( wxKeyEvent& event )
3349 {
3350     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3351 }
3352
3353
3354
3355 //////////////////////////////////////////////////////////////////////
3356
3357 IMPLEMENT_DYNAMIC_CLASS( wxGridColLabelWindow, wxWindow )
3358
3359 BEGIN_EVENT_TABLE( wxGridColLabelWindow, wxWindow )
3360     EVT_PAINT( wxGridColLabelWindow::OnPaint )
3361     EVT_MOUSEWHEEL( wxGridColLabelWindow::OnMouseWheel)
3362     EVT_MOUSE_EVENTS( wxGridColLabelWindow::OnMouseEvent )
3363     EVT_KEY_DOWN( wxGridColLabelWindow::OnKeyDown )
3364     EVT_KEY_UP( wxGridColLabelWindow::OnKeyUp )
3365 END_EVENT_TABLE()
3366
3367 wxGridColLabelWindow::wxGridColLabelWindow( wxGrid *parent,
3368                                             wxWindowID id,
3369                                             const wxPoint &pos, const wxSize &size )
3370   : wxWindow( parent, id, pos, size, wxWANTS_CHARS )
3371 {
3372     m_owner = parent;
3373 }
3374
3375 void wxGridColLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
3376 {
3377     wxPaintDC dc(this);
3378
3379     // NO - don't do this because it will set both the x and y origin
3380     // coords to match the parent scrolled window and we just want to
3381     // set the x coord  - MB
3382     //
3383     // m_owner->PrepareDC( dc );
3384
3385     int x, y;
3386     m_owner->CalcUnscrolledPosition( 0, 0, &x, &y );
3387     dc.SetDeviceOrigin( -x, 0 );
3388
3389     wxArrayInt cols = m_owner->CalcColLabelsExposed( GetUpdateRegion() );
3390     m_owner->DrawColLabels( dc , cols );
3391 }
3392
3393
3394 void wxGridColLabelWindow::OnMouseEvent( wxMouseEvent& event )
3395 {
3396     m_owner->ProcessColLabelMouseEvent( event );
3397 }
3398
3399 void wxGridColLabelWindow::OnMouseWheel( wxMouseEvent& event )
3400 {
3401     m_owner->GetEventHandler()->ProcessEvent(event);
3402 }
3403
3404
3405 // This seems to be required for wxMotif otherwise the mouse
3406 // cursor must be in the cell edit control to get key events
3407 //
3408 void wxGridColLabelWindow::OnKeyDown( wxKeyEvent& event )
3409 {
3410     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3411 }
3412
3413 void wxGridColLabelWindow::OnKeyUp( wxKeyEvent& event )
3414 {
3415     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3416 }
3417
3418
3419
3420 //////////////////////////////////////////////////////////////////////
3421
3422 IMPLEMENT_DYNAMIC_CLASS( wxGridCornerLabelWindow, wxWindow )
3423
3424 BEGIN_EVENT_TABLE( wxGridCornerLabelWindow, wxWindow )
3425     EVT_MOUSEWHEEL( wxGridCornerLabelWindow::OnMouseWheel)
3426     EVT_MOUSE_EVENTS( wxGridCornerLabelWindow::OnMouseEvent )
3427     EVT_PAINT( wxGridCornerLabelWindow::OnPaint)
3428     EVT_KEY_DOWN( wxGridCornerLabelWindow::OnKeyDown )
3429     EVT_KEY_UP( wxGridCornerLabelWindow::OnKeyUp )
3430 END_EVENT_TABLE()
3431
3432 wxGridCornerLabelWindow::wxGridCornerLabelWindow( wxGrid *parent,
3433                                                   wxWindowID id,
3434                                                   const wxPoint &pos, const wxSize &size )
3435   : wxWindow( parent, id, pos, size, wxWANTS_CHARS )
3436 {
3437     m_owner = parent;
3438 }
3439
3440 void wxGridCornerLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
3441 {
3442     wxPaintDC dc(this);
3443
3444     int client_height = 0;
3445     int client_width = 0;
3446     GetClientSize( &client_width, &client_height );
3447
3448     dc.SetPen( *wxBLACK_PEN );
3449     dc.DrawLine( client_width-1, client_height-1, client_width-1, 0 );
3450     dc.DrawLine( client_width-1, client_height-1, 0, client_height-1 );
3451
3452     dc.SetPen( *wxWHITE_PEN );
3453     dc.DrawLine( 0, 0, client_width, 0 );
3454     dc.DrawLine( 0, 0, 0, client_height );
3455 }
3456
3457
3458 void wxGridCornerLabelWindow::OnMouseEvent( wxMouseEvent& event )
3459 {
3460     m_owner->ProcessCornerLabelMouseEvent( event );
3461 }
3462
3463
3464 void wxGridCornerLabelWindow::OnMouseWheel( wxMouseEvent& event )
3465 {
3466     m_owner->GetEventHandler()->ProcessEvent(event);
3467 }
3468
3469 // This seems to be required for wxMotif otherwise the mouse
3470 // cursor must be in the cell edit control to get key events
3471 //
3472 void wxGridCornerLabelWindow::OnKeyDown( wxKeyEvent& event )
3473 {
3474     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3475 }
3476
3477 void wxGridCornerLabelWindow::OnKeyUp( wxKeyEvent& event )
3478 {
3479     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3480 }
3481
3482
3483
3484 //////////////////////////////////////////////////////////////////////
3485
3486 IMPLEMENT_DYNAMIC_CLASS( wxGridWindow, wxWindow )
3487
3488 BEGIN_EVENT_TABLE( wxGridWindow, wxWindow )
3489     EVT_PAINT( wxGridWindow::OnPaint )
3490     EVT_MOUSEWHEEL( wxGridWindow::OnMouseWheel)
3491     EVT_MOUSE_EVENTS( wxGridWindow::OnMouseEvent )
3492     EVT_KEY_DOWN( wxGridWindow::OnKeyDown )
3493     EVT_KEY_UP( wxGridWindow::OnKeyUp )
3494     EVT_ERASE_BACKGROUND( wxGridWindow::OnEraseBackground )
3495 END_EVENT_TABLE()
3496
3497 wxGridWindow::wxGridWindow( wxGrid *parent,
3498                             wxGridRowLabelWindow *rowLblWin,
3499                             wxGridColLabelWindow *colLblWin,
3500                             wxWindowID id, const wxPoint &pos, const wxSize &size )
3501         : wxWindow( parent, id, pos, size, wxWANTS_CHARS, wxT("grid window") )
3502 {
3503     m_owner = parent;
3504     m_rowLabelWin = rowLblWin;
3505     m_colLabelWin = colLblWin;
3506     SetBackgroundColour(_T("WHITE"));
3507 }
3508
3509
3510 wxGridWindow::~wxGridWindow()
3511 {
3512 }
3513
3514
3515 void wxGridWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
3516 {
3517     wxPaintDC dc( this );
3518     m_owner->PrepareDC( dc );
3519     wxRegion reg = GetUpdateRegion();
3520     wxGridCellCoordsArray DirtyCells = m_owner->CalcCellsExposed( reg );
3521     m_owner->DrawGridCellArea( dc , DirtyCells);
3522 #if WXGRID_DRAW_LINES
3523     m_owner->DrawAllGridLines( dc, reg );
3524 #endif
3525     m_owner->DrawGridSpace( dc );
3526     m_owner->DrawHighlight( dc , DirtyCells );
3527 }
3528
3529
3530 void wxGridWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
3531 {
3532     wxWindow::ScrollWindow( dx, dy, rect );
3533     m_rowLabelWin->ScrollWindow( 0, dy, rect );
3534     m_colLabelWin->ScrollWindow( dx, 0, rect );
3535 }
3536
3537
3538 void wxGridWindow::OnMouseEvent( wxMouseEvent& event )
3539 {
3540     m_owner->ProcessGridCellMouseEvent( event );
3541 }
3542
3543 void wxGridWindow::OnMouseWheel( wxMouseEvent& event )
3544 {
3545     m_owner->GetEventHandler()->ProcessEvent(event);
3546 }
3547
3548 // This seems to be required for wxMotif/wxGTK otherwise the mouse
3549 // cursor must be in the cell edit control to get key events
3550 //
3551 void wxGridWindow::OnKeyDown( wxKeyEvent& event )
3552 {
3553     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3554 }
3555
3556 void wxGridWindow::OnKeyUp( wxKeyEvent& event )
3557 {
3558     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3559 }
3560
3561 void wxGridWindow::OnEraseBackground( wxEraseEvent& WXUNUSED(event) )
3562 {
3563 }
3564
3565
3566 //////////////////////////////////////////////////////////////////////
3567
3568 // Internal Helper function for computing row or column from some
3569 // (unscrolled) coordinate value, using either
3570 // m_defaultRowHeight/m_defaultColWidth or binary search on array
3571 // of m_rowBottoms/m_ColRights to speed up the search!
3572
3573 // Internal helper macros for simpler use of that function
3574
3575 static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
3576                            const wxArrayInt& BorderArray, bool maxOnOverflow);
3577
3578 #define internalXToCol(x) CoordToRowOrCol(x, m_defaultColWidth, \
3579                                           WXGRID_MIN_COL_WIDTH, \
3580                                           m_colRights, TRUE)
3581 #define internalYToRow(y) CoordToRowOrCol(y, m_defaultRowHeight, \
3582                                           WXGRID_MIN_ROW_HEIGHT, \
3583                                           m_rowBottoms, TRUE)
3584 /////////////////////////////////////////////////////////////////////
3585
3586 IMPLEMENT_DYNAMIC_CLASS( wxGrid, wxScrolledWindow )
3587
3588 BEGIN_EVENT_TABLE( wxGrid, wxScrolledWindow )
3589     EVT_PAINT( wxGrid::OnPaint )
3590     EVT_SIZE( wxGrid::OnSize )
3591     EVT_KEY_DOWN( wxGrid::OnKeyDown )
3592     EVT_KEY_UP( wxGrid::OnKeyUp )
3593     EVT_ERASE_BACKGROUND( wxGrid::OnEraseBackground )
3594 END_EVENT_TABLE()
3595
3596 wxGrid::wxGrid( wxWindow *parent,
3597                  wxWindowID id,
3598                  const wxPoint& pos,
3599                  const wxSize& size,
3600                  long style,
3601                  const wxString& name )
3602   : wxScrolledWindow( parent, id, pos, size, (style | wxWANTS_CHARS), name ),
3603     m_colMinWidths(GRID_HASH_SIZE),
3604     m_rowMinHeights(GRID_HASH_SIZE)
3605 {
3606     Create();
3607 }
3608
3609
3610 wxGrid::~wxGrid()
3611 {
3612     // Must do this or ~wxScrollHelper will pop the wrong event handler
3613     SetTargetWindow(this);
3614     ClearAttrCache();
3615     wxSafeDecRef(m_defaultCellAttr);
3616
3617 #ifdef DEBUG_ATTR_CACHE
3618     size_t total = gs_nAttrCacheHits + gs_nAttrCacheMisses;
3619     wxPrintf(_T("wxGrid attribute cache statistics: "
3620                 "total: %u, hits: %u (%u%%)\n"),
3621              total, gs_nAttrCacheHits,
3622              total ? (gs_nAttrCacheHits*100) / total : 0);
3623 #endif
3624
3625     if (m_ownTable)
3626         delete m_table;
3627
3628     delete m_typeRegistry;
3629     delete m_selection;
3630 }
3631
3632
3633 //
3634 // ----- internal init and update functions
3635 //
3636
3637 void wxGrid::Create()
3638 {
3639     m_created = FALSE;    // set to TRUE by CreateGrid
3640
3641     m_table        = (wxGridTableBase *) NULL;
3642     m_ownTable     = FALSE;
3643
3644     m_cellEditCtrlEnabled = FALSE;
3645
3646     m_defaultCellAttr = new wxGridCellAttr();
3647
3648     // Set default cell attributes
3649     m_defaultCellAttr->SetDefAttr(m_defaultCellAttr);
3650     m_defaultCellAttr->SetKind(wxGridCellAttr::Default);
3651     m_defaultCellAttr->SetFont(GetFont());
3652     m_defaultCellAttr->SetAlignment(wxALIGN_LEFT, wxALIGN_TOP);
3653     m_defaultCellAttr->SetTextColour(
3654         wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
3655     m_defaultCellAttr->SetBackgroundColour(
3656         wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
3657     m_defaultCellAttr->SetRenderer(new wxGridCellStringRenderer);
3658     m_defaultCellAttr->SetEditor(new wxGridCellTextEditor);
3659
3660
3661     m_numRows = 0;
3662     m_numCols = 0;
3663     m_currentCellCoords = wxGridNoCellCoords;
3664
3665     m_rowLabelWidth = WXGRID_DEFAULT_ROW_LABEL_WIDTH;
3666     m_colLabelHeight = WXGRID_DEFAULT_COL_LABEL_HEIGHT;
3667
3668     // create the type registry
3669     m_typeRegistry = new wxGridTypeRegistry;
3670     m_selection = NULL;
3671
3672     // subwindow components that make up the wxGrid
3673     m_cornerLabelWin = new wxGridCornerLabelWindow( this,
3674                                                     -1,
3675                                                     wxDefaultPosition,
3676                                                     wxDefaultSize );
3677
3678     m_rowLabelWin = new wxGridRowLabelWindow( this,
3679                                               -1,
3680                                               wxDefaultPosition,
3681                                               wxDefaultSize );
3682
3683     m_colLabelWin = new wxGridColLabelWindow( this,
3684                                               -1,
3685                                               wxDefaultPosition,
3686                                               wxDefaultSize );
3687
3688     m_gridWin = new wxGridWindow( this,
3689                                   m_rowLabelWin,
3690                                   m_colLabelWin,
3691                                   -1,
3692                                   wxDefaultPosition,
3693                                   wxDefaultSize );
3694
3695     SetTargetWindow( m_gridWin );
3696
3697     Init();
3698 }
3699
3700
3701 bool wxGrid::CreateGrid( int numRows, int numCols,
3702                          wxGrid::wxGridSelectionModes selmode )
3703 {
3704     wxCHECK_MSG( !m_created,
3705                  FALSE,
3706                  wxT("wxGrid::CreateGrid or wxGrid::SetTable called more than once") );
3707
3708     m_numRows = numRows;
3709     m_numCols = numCols;
3710
3711     m_table = new wxGridStringTable( m_numRows, m_numCols );
3712     m_table->SetView( this );
3713     m_ownTable = TRUE;
3714     m_selection = new wxGridSelection( this, selmode );
3715
3716     CalcDimensions();
3717
3718     m_created = TRUE;
3719
3720     return m_created;
3721 }
3722
3723 void wxGrid::SetSelectionMode(wxGrid::wxGridSelectionModes selmode)
3724 {
3725     wxCHECK_RET( m_created,
3726                  wxT("Called wxGrid::SetSelectionMode() before calling CreateGrid()") );
3727
3728     m_selection->SetSelectionMode( selmode );
3729 }
3730
3731 wxGrid::wxGridSelectionModes wxGrid::GetSelectionMode() const
3732 {
3733     wxCHECK_MSG( m_created, wxGrid::wxGridSelectCells,
3734                  wxT("Called wxGrid::GetSelectionMode() before calling CreateGrid()") );
3735
3736     return m_selection->GetSelectionMode();
3737 }
3738
3739 bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership,
3740                        wxGrid::wxGridSelectionModes selmode )
3741 {
3742     if ( m_created )
3743     {
3744         // RD: Actually, this should probably be allowed.  I think it would be
3745         //     nice to be able to switch multiple Tables in and out of a single
3746         //     View at runtime.  Is there anything in the implementation that
3747         //     would prevent this?
3748
3749         // At least, you now have to cope with m_selection
3750         wxFAIL_MSG( wxT("wxGrid::CreateGrid or wxGrid::SetTable called more than once") );
3751         return FALSE;
3752     }
3753     else
3754     {
3755         m_numRows = table->GetNumberRows();
3756         m_numCols = table->GetNumberCols();
3757
3758         m_table = table;
3759         m_table->SetView( this );
3760         if (takeOwnership)
3761             m_ownTable = TRUE;
3762         m_selection = new wxGridSelection( this, selmode );
3763
3764         CalcDimensions();
3765
3766         m_created = TRUE;
3767     }
3768
3769     return m_created;
3770 }
3771
3772
3773 void wxGrid::Init()
3774 {
3775     m_rowLabelWidth  = WXGRID_DEFAULT_ROW_LABEL_WIDTH;
3776     m_colLabelHeight = WXGRID_DEFAULT_COL_LABEL_HEIGHT;
3777
3778     if ( m_rowLabelWin )
3779     {
3780         m_labelBackgroundColour = m_rowLabelWin->GetBackgroundColour();
3781     }
3782     else
3783     {
3784         m_labelBackgroundColour = wxColour( _T("WHITE") );
3785     }
3786
3787     m_labelTextColour = wxColour( _T("BLACK") );
3788
3789     // init attr cache
3790     m_attrCache.row = -1;
3791
3792     // TODO: something better than this ?
3793     //
3794     m_labelFont = this->GetFont();
3795     m_labelFont.SetWeight( m_labelFont.GetWeight() + 2 );
3796
3797     m_rowLabelHorizAlign = wxALIGN_LEFT;
3798     m_rowLabelVertAlign  = wxALIGN_CENTRE;
3799
3800     m_colLabelHorizAlign = wxALIGN_CENTRE;
3801     m_colLabelVertAlign  = wxALIGN_TOP;
3802
3803     m_defaultColWidth  = WXGRID_DEFAULT_COL_WIDTH;
3804     m_defaultRowHeight = m_gridWin->GetCharHeight();
3805
3806 #if defined(__WXMOTIF__) || defined(__WXGTK__)  // see also text ctrl sizing in ShowCellEditControl()
3807     m_defaultRowHeight += 8;
3808 #else
3809     m_defaultRowHeight += 4;
3810 #endif
3811
3812     m_gridLineColour = wxColour( 128, 128, 255 );
3813     m_gridLinesEnabled = TRUE;
3814     m_cellHighlightColour = m_gridLineColour;
3815     m_cellHighlightPenWidth = 2;
3816     m_cellHighlightROPenWidth = 1;
3817
3818     m_cursorMode  = WXGRID_CURSOR_SELECT_CELL;
3819     m_winCapture = (wxWindow *)NULL;
3820     m_canDragRowSize = TRUE;
3821     m_canDragColSize = TRUE;
3822     m_canDragGridSize = TRUE;
3823     m_dragLastPos  = -1;
3824     m_dragRowOrCol = -1;
3825     m_isDragging = FALSE;
3826     m_startDragPos = wxDefaultPosition;
3827
3828     m_waitForSlowClick = FALSE;
3829
3830     m_rowResizeCursor = wxCursor( wxCURSOR_SIZENS );
3831     m_colResizeCursor = wxCursor( wxCURSOR_SIZEWE );
3832
3833     m_currentCellCoords = wxGridNoCellCoords;
3834
3835     m_selectingTopLeft = wxGridNoCellCoords;
3836     m_selectingBottomRight = wxGridNoCellCoords;
3837     m_selectionBackground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
3838     m_selectionForeground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
3839
3840     m_editable = TRUE;  // default for whole grid
3841
3842     m_inOnKeyDown = FALSE;
3843     m_batchCount = 0;
3844
3845     m_extraWidth =
3846     m_extraHeight = 0;
3847 }
3848
3849 // ----------------------------------------------------------------------------
3850 // the idea is to call these functions only when necessary because they create
3851 // quite big arrays which eat memory mostly unnecessary - in particular, if
3852 // default widths/heights are used for all rows/columns, we may not use these
3853 // arrays at all
3854 //
3855 // with some extra code, it should be possible to only store the
3856 // widths/heights different from default ones but this will be done later...
3857 // ----------------------------------------------------------------------------
3858
3859 void wxGrid::InitRowHeights()
3860 {
3861     m_rowHeights.Empty();
3862     m_rowBottoms.Empty();
3863
3864     m_rowHeights.Alloc( m_numRows );
3865     m_rowBottoms.Alloc( m_numRows );
3866
3867     int rowBottom = 0;
3868
3869     m_rowHeights.Add( m_defaultRowHeight, m_numRows );
3870
3871     for ( int i = 0;  i < m_numRows;  i++ )
3872     {
3873         rowBottom += m_defaultRowHeight;
3874         m_rowBottoms.Add( rowBottom );
3875     }
3876 }
3877
3878 void wxGrid::InitColWidths()
3879 {
3880     m_colWidths.Empty();
3881     m_colRights.Empty();
3882
3883     m_colWidths.Alloc( m_numCols );
3884     m_colRights.Alloc( m_numCols );
3885     int colRight = 0;
3886
3887     m_colWidths.Add( m_defaultColWidth, m_numCols );
3888
3889     for ( int i = 0;  i < m_numCols;  i++ )
3890     {
3891         colRight += m_defaultColWidth;
3892         m_colRights.Add( colRight );
3893     }
3894 }
3895
3896 int wxGrid::GetColWidth(int col) const
3897 {
3898     return m_colWidths.IsEmpty() ? m_defaultColWidth : m_colWidths[col];
3899 }
3900
3901 int wxGrid::GetColLeft(int col) const
3902 {
3903     return m_colRights.IsEmpty() ? col * m_defaultColWidth
3904                                  : m_colRights[col] - m_colWidths[col];
3905 }
3906
3907 int wxGrid::GetColRight(int col) const
3908 {
3909     return m_colRights.IsEmpty() ? (col + 1) * m_defaultColWidth
3910                                  : m_colRights[col];
3911 }
3912
3913 int wxGrid::GetRowHeight(int row) const
3914 {
3915     return m_rowHeights.IsEmpty() ? m_defaultRowHeight : m_rowHeights[row];
3916 }
3917
3918 int wxGrid::GetRowTop(int row) const
3919 {
3920     return m_rowBottoms.IsEmpty() ? row * m_defaultRowHeight
3921                                   : m_rowBottoms[row] - m_rowHeights[row];
3922 }
3923
3924 int wxGrid::GetRowBottom(int row) const
3925 {
3926     return m_rowBottoms.IsEmpty() ? (row + 1) * m_defaultRowHeight
3927                                   : m_rowBottoms[row];
3928 }
3929
3930 void wxGrid::CalcDimensions()
3931 {
3932     int cw, ch;
3933     GetClientSize( &cw, &ch );
3934
3935     if ( m_rowLabelWin->IsShown() )
3936         cw -= m_rowLabelWidth;
3937     if ( m_colLabelWin->IsShown() )
3938         ch -= m_colLabelHeight;
3939
3940     // grid total size
3941     int w = m_numCols > 0 ? GetColRight(m_numCols - 1) + m_extraWidth + 1 : 0;
3942     int h = m_numRows > 0 ? GetRowBottom(m_numRows - 1) + m_extraHeight + 1 : 0;
3943
3944     // preserve (more or less) the previous position
3945     int x, y;
3946     GetViewStart( &x, &y );
3947
3948     // maybe we don't need scrollbars at all?
3949     //
3950     // also adjust the position to be valid for the new scroll rangs
3951     if ( w <= cw )
3952     {
3953         w = x = 0;
3954     }
3955     else
3956     {
3957         if ( x >= w )
3958             x = w - 1;
3959     }
3960
3961     if ( h <= ch )
3962     {
3963         h = y = 0;
3964     }
3965     else
3966     {
3967         if ( y >= h )
3968             y = h - 1;
3969     }
3970
3971     // do set scrollbar parameters
3972     SetScrollbars( GRID_SCROLL_LINE_X, GRID_SCROLL_LINE_Y,
3973                    GetScrollX(w), GetScrollY(h), x, y,
3974                    GetBatchCount() != 0);
3975
3976     // if our OnSize() hadn't been called (it would if we have scrollbars), we
3977     // still must reposition the children
3978     CalcWindowSizes();
3979 }
3980
3981
3982 void wxGrid::CalcWindowSizes()
3983 {
3984     int cw, ch;
3985     GetClientSize( &cw, &ch );
3986
3987     if ( m_cornerLabelWin->IsShown() )
3988         m_cornerLabelWin->SetSize( 0, 0, m_rowLabelWidth, m_colLabelHeight );
3989
3990     if ( m_colLabelWin->IsShown() )
3991         m_colLabelWin->SetSize( m_rowLabelWidth, 0, cw-m_rowLabelWidth, m_colLabelHeight);
3992
3993     if ( m_rowLabelWin->IsShown() )
3994         m_rowLabelWin->SetSize( 0, m_colLabelHeight, m_rowLabelWidth, ch-m_colLabelHeight);
3995
3996     if ( m_gridWin->IsShown() )
3997         m_gridWin->SetSize( m_rowLabelWidth, m_colLabelHeight, cw-m_rowLabelWidth, ch-m_colLabelHeight);
3998 }
3999
4000
4001 // this is called when the grid table sends a message to say that it
4002 // has been redimensioned
4003 //
4004 bool wxGrid::Redimension( wxGridTableMessage& msg )
4005 {
4006     int i;
4007     bool result = FALSE;
4008
4009     // Clear the attribute cache as the attribute might refer to a different
4010     // cell than stored in the cache after adding/removing rows/columns.
4011     ClearAttrCache();
4012     // By the same reasoning, the editor should be dismissed if columns are
4013     // added or removed. And for consistency, it should IMHO always be
4014     // removed, not only if the cell "underneath" it actually changes.
4015     // For now, I intentionally do not save the editor's content as the
4016     // cell it might want to save that stuff to might no longer exist.
4017     HideCellEditControl();
4018 #if 0
4019     // if we were using the default widths/heights so far, we must change them
4020     // now
4021     if ( m_colWidths.IsEmpty() )
4022     {
4023         InitColWidths();
4024     }
4025
4026     if ( m_rowHeights.IsEmpty() )
4027     {
4028         InitRowHeights();
4029     }
4030 #endif
4031
4032     switch ( msg.GetId() )
4033     {
4034         case wxGRIDTABLE_NOTIFY_ROWS_INSERTED:
4035         {
4036             size_t pos = msg.GetCommandInt();
4037             int numRows = msg.GetCommandInt2();
4038
4039             m_numRows += numRows;
4040
4041             if ( !m_rowHeights.IsEmpty() )
4042             {
4043                 m_rowHeights.Insert( m_defaultRowHeight, pos, numRows );
4044                 m_rowBottoms.Insert( 0, pos, numRows );
4045
4046                 int bottom = 0;
4047                 if ( pos > 0 ) bottom = m_rowBottoms[pos-1];
4048
4049                 for ( i = pos;  i < m_numRows;  i++ )
4050                 {
4051                     bottom += m_rowHeights[i];
4052                     m_rowBottoms[i] = bottom;
4053                 }
4054             }
4055             if ( m_currentCellCoords == wxGridNoCellCoords )
4056             {
4057                 // if we have just inserted cols into an empty grid the current
4058                 // cell will be undefined...
4059                 //
4060                 SetCurrentCell( 0, 0 );
4061             }
4062
4063             if ( m_selection )
4064                 m_selection->UpdateRows( pos, numRows );
4065             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
4066             if (attrProvider)
4067                 attrProvider->UpdateAttrRows( pos, numRows );
4068
4069             if ( !GetBatchCount() )
4070             {
4071                 CalcDimensions();
4072                 m_rowLabelWin->Refresh();
4073             }
4074         }
4075         result = TRUE;
4076         break;
4077
4078         case wxGRIDTABLE_NOTIFY_ROWS_APPENDED:
4079         {
4080             int numRows = msg.GetCommandInt();
4081             int oldNumRows = m_numRows;
4082             m_numRows += numRows;
4083
4084             if ( !m_rowHeights.IsEmpty() )
4085             {
4086                 m_rowHeights.Add( m_defaultRowHeight, numRows );
4087                 m_rowBottoms.Add( 0, numRows );
4088
4089                 int bottom = 0;
4090                 if ( oldNumRows > 0 ) bottom = m_rowBottoms[oldNumRows-1];
4091
4092                 for ( i = oldNumRows;  i < m_numRows;  i++ )
4093                 {
4094                     bottom += m_rowHeights[i];
4095                     m_rowBottoms[i] = bottom;
4096                 }
4097             }
4098             if ( m_currentCellCoords == wxGridNoCellCoords )
4099             {
4100                 // if we have just inserted cols into an empty grid the current
4101                 // cell will be undefined...
4102                 //
4103                 SetCurrentCell( 0, 0 );
4104             }
4105             if ( !GetBatchCount() )
4106             {
4107                 CalcDimensions();
4108                 m_rowLabelWin->Refresh();
4109             }
4110         }
4111         result = TRUE;
4112         break;
4113
4114         case wxGRIDTABLE_NOTIFY_ROWS_DELETED:
4115         {
4116             size_t pos = msg.GetCommandInt();
4117             int numRows = msg.GetCommandInt2();
4118             m_numRows -= numRows;
4119
4120             if ( !m_rowHeights.IsEmpty() )
4121             {
4122                 m_rowHeights.RemoveAt( pos, numRows );
4123                 m_rowBottoms.RemoveAt( pos, numRows );
4124
4125                 int h = 0;
4126                 for ( i = 0;  i < m_numRows;  i++ )
4127                 {
4128                     h += m_rowHeights[i];
4129                     m_rowBottoms[i] = h;
4130                 }
4131             }
4132             if ( !m_numRows )
4133             {
4134                 m_currentCellCoords = wxGridNoCellCoords;
4135             }
4136             else
4137             {
4138                 if ( m_currentCellCoords.GetRow() >= m_numRows )
4139                     m_currentCellCoords.Set( 0, 0 );
4140             }
4141
4142             if ( m_selection )
4143                 m_selection->UpdateRows( pos, -((int)numRows) );
4144             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
4145             if (attrProvider) {
4146                 attrProvider->UpdateAttrRows( pos, -((int)numRows) );
4147 // ifdef'd out following patch from Paul Gammans
4148 #if 0
4149                 // No need to touch column attributes, unless we
4150                 // removed _all_ rows, in this case, we remove
4151                 // all column attributes.
4152                 // I hate to do this here, but the
4153                 // needed data is not available inside UpdateAttrRows.
4154                 if ( !GetNumberRows() )
4155                     attrProvider->UpdateAttrCols( 0, -GetNumberCols() );
4156 #endif
4157             }
4158             if ( !GetBatchCount() )
4159             {
4160                 CalcDimensions();
4161                 m_rowLabelWin->Refresh();
4162             }
4163         }
4164         result = TRUE;
4165         break;
4166
4167         case wxGRIDTABLE_NOTIFY_COLS_INSERTED:
4168         {
4169             size_t pos = msg.GetCommandInt();
4170             int numCols = msg.GetCommandInt2();
4171             m_numCols += numCols;
4172
4173             if ( !m_colWidths.IsEmpty() )
4174             {
4175                 m_colWidths.Insert( m_defaultColWidth, pos, numCols );
4176                 m_colRights.Insert( 0, pos, numCols );
4177
4178                 int right = 0;
4179                 if ( pos > 0 ) right = m_colRights[pos-1];
4180
4181                 for ( i = pos;  i < m_numCols;  i++ )
4182                 {
4183                     right += m_colWidths[i];
4184                     m_colRights[i] = right;
4185                 }
4186             }
4187             if ( m_currentCellCoords == wxGridNoCellCoords )
4188             {
4189                 // if we have just inserted cols into an empty grid the current
4190                 // cell will be undefined...
4191                 //
4192                 SetCurrentCell( 0, 0 );
4193             }
4194
4195             if ( m_selection )
4196                 m_selection->UpdateCols( pos, numCols );
4197             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
4198             if (attrProvider)
4199                 attrProvider->UpdateAttrCols( pos, numCols );
4200             if ( !GetBatchCount() )
4201             {
4202                 CalcDimensions();
4203                 m_colLabelWin->Refresh();
4204             }
4205
4206         }
4207         result = TRUE;
4208         break;
4209
4210         case wxGRIDTABLE_NOTIFY_COLS_APPENDED:
4211         {
4212             int numCols = msg.GetCommandInt();
4213             int oldNumCols = m_numCols;
4214             m_numCols += numCols;
4215             if ( !m_colWidths.IsEmpty() )
4216             {
4217                 m_colWidths.Add( m_defaultColWidth, numCols );
4218                 m_colRights.Add( 0, numCols );
4219
4220                 int right = 0;
4221                 if ( oldNumCols > 0 ) right = m_colRights[oldNumCols-1];
4222
4223                 for ( i = oldNumCols;  i < m_numCols;  i++ )
4224                 {
4225                     right += m_colWidths[i];
4226                     m_colRights[i] = right;
4227                 }
4228             }
4229             if ( m_currentCellCoords == wxGridNoCellCoords )
4230             {
4231                 // if we have just inserted cols into an empty grid the current
4232                 // cell will be undefined...
4233                 //
4234                 SetCurrentCell( 0, 0 );
4235             }
4236             if ( !GetBatchCount() )
4237             {
4238                 CalcDimensions();
4239                 m_colLabelWin->Refresh();
4240             }
4241         }
4242         result = TRUE;
4243         break;
4244
4245         case wxGRIDTABLE_NOTIFY_COLS_DELETED:
4246         {
4247             size_t pos = msg.GetCommandInt();
4248             int numCols = msg.GetCommandInt2();
4249             m_numCols -= numCols;
4250
4251             if ( !m_colWidths.IsEmpty() )
4252             {
4253                 m_colWidths.RemoveAt( pos, numCols );
4254                 m_colRights.RemoveAt( pos, numCols );
4255
4256                 int w = 0;
4257                 for ( i = 0;  i < m_numCols;  i++ )
4258                 {
4259                     w += m_colWidths[i];
4260                     m_colRights[i] = w;
4261                 }
4262             }
4263             if ( !m_numCols )
4264             {
4265                 m_currentCellCoords = wxGridNoCellCoords;
4266             }
4267             else
4268             {
4269                 if ( m_currentCellCoords.GetCol() >= m_numCols )
4270                   m_currentCellCoords.Set( 0, 0 );
4271             }
4272
4273             if ( m_selection )
4274                 m_selection->UpdateCols( pos, -((int)numCols) );
4275             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
4276             if (attrProvider) {
4277                 attrProvider->UpdateAttrCols( pos, -((int)numCols) );
4278 // ifdef'd out following patch from Paul Gammans
4279 #if 0
4280                 // No need to touch row attributes, unless we
4281                 // removed _all_ columns, in this case, we remove
4282                 // all row attributes.
4283                 // I hate to do this here, but the
4284                 // needed data is not available inside UpdateAttrCols.
4285                 if ( !GetNumberCols() )
4286                     attrProvider->UpdateAttrRows( 0, -GetNumberRows() );
4287 #endif
4288             }
4289             if ( !GetBatchCount() )
4290             {
4291                 CalcDimensions();
4292                 m_colLabelWin->Refresh();
4293             }
4294         }
4295         result = TRUE;
4296         break;
4297     }
4298
4299     if (result && !GetBatchCount() )
4300         m_gridWin->Refresh();
4301     return result;
4302 }
4303
4304
4305 wxArrayInt wxGrid::CalcRowLabelsExposed( const wxRegion& reg )
4306 {
4307     wxRegionIterator iter( reg );
4308     wxRect r;
4309
4310     wxArrayInt  rowlabels;
4311
4312     int top, bottom;
4313     while ( iter )
4314     {
4315         r = iter.GetRect();
4316
4317         // TODO: remove this when we can...
4318         // There is a bug in wxMotif that gives garbage update
4319         // rectangles if you jump-scroll a long way by clicking the
4320         // scrollbar with middle button.  This is a work-around
4321         //
4322 #if defined(__WXMOTIF__)
4323         int cw, ch;
4324         m_gridWin->GetClientSize( &cw, &ch );
4325         if ( r.GetTop() > ch ) r.SetTop( 0 );
4326         r.SetBottom( wxMin( r.GetBottom(), ch ) );
4327 #endif
4328
4329         // logical bounds of update region
4330         //
4331         int dummy;
4332         CalcUnscrolledPosition( 0, r.GetTop(), &dummy, &top );
4333         CalcUnscrolledPosition( 0, r.GetBottom(), &dummy, &bottom );
4334
4335         // find the row labels within these bounds
4336         //
4337         int row;
4338         for ( row = internalYToRow(top);  row < m_numRows;  row++ )
4339         {
4340             if ( GetRowBottom(row) < top )
4341                 continue;
4342
4343             if ( GetRowTop(row) > bottom )
4344                 break;
4345
4346             rowlabels.Add( row );
4347         }
4348
4349         iter++ ;
4350     }
4351
4352     return rowlabels;
4353 }
4354
4355
4356 wxArrayInt wxGrid::CalcColLabelsExposed( const wxRegion& reg )
4357 {
4358     wxRegionIterator iter( reg );
4359     wxRect r;
4360
4361     wxArrayInt colLabels;
4362
4363     int left, right;
4364     while ( iter )
4365     {
4366         r = iter.GetRect();
4367
4368         // TODO: remove this when we can...
4369         // There is a bug in wxMotif that gives garbage update
4370         // rectangles if you jump-scroll a long way by clicking the
4371         // scrollbar with middle button.  This is a work-around
4372         //
4373 #if defined(__WXMOTIF__)
4374         int cw, ch;
4375         m_gridWin->GetClientSize( &cw, &ch );
4376         if ( r.GetLeft() > cw ) r.SetLeft( 0 );
4377         r.SetRight( wxMin( r.GetRight(), cw ) );
4378 #endif
4379
4380         // logical bounds of update region
4381         //
4382         int dummy;
4383         CalcUnscrolledPosition( r.GetLeft(), 0, &left, &dummy );
4384         CalcUnscrolledPosition( r.GetRight(), 0, &right, &dummy );
4385
4386         // find the cells within these bounds
4387         //
4388         int col;
4389         for ( col = internalXToCol(left);  col < m_numCols;  col++ )
4390         {
4391             if ( GetColRight(col) < left )
4392                 continue;
4393
4394             if ( GetColLeft(col) > right )
4395                 break;
4396
4397             colLabels.Add( col );
4398         }
4399
4400         iter++ ;
4401     }
4402     return colLabels;
4403 }
4404
4405
4406 wxGridCellCoordsArray wxGrid::CalcCellsExposed( const wxRegion& reg )
4407 {
4408     wxRegionIterator iter( reg );
4409     wxRect r;
4410
4411     wxGridCellCoordsArray  cellsExposed;
4412
4413     int left, top, right, bottom;
4414     while ( iter )
4415     {
4416         r = iter.GetRect();
4417
4418         // TODO: remove this when we can...
4419         // There is a bug in wxMotif that gives garbage update
4420         // rectangles if you jump-scroll a long way by clicking the
4421         // scrollbar with middle button.  This is a work-around
4422         //
4423 #if defined(__WXMOTIF__)
4424         int cw, ch;
4425         m_gridWin->GetClientSize( &cw, &ch );
4426         if ( r.GetTop() > ch ) r.SetTop( 0 );
4427         if ( r.GetLeft() > cw ) r.SetLeft( 0 );
4428         r.SetRight( wxMin( r.GetRight(), cw ) );
4429         r.SetBottom( wxMin( r.GetBottom(), ch ) );
4430 #endif
4431
4432         // logical bounds of update region
4433         //
4434         CalcUnscrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
4435         CalcUnscrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
4436
4437         // find the cells within these bounds
4438         //
4439         int row, col;
4440         for ( row = internalYToRow(top);  row < m_numRows;  row++ )
4441         {
4442             if ( GetRowBottom(row) <= top )
4443                 continue;
4444
4445             if ( GetRowTop(row) > bottom )
4446                 break;
4447
4448             for ( col = internalXToCol(left);  col < m_numCols;  col++ )
4449             {
4450                 if ( GetColRight(col) <= left )
4451                     continue;
4452
4453                 if ( GetColLeft(col) > right )
4454                     break;
4455
4456                 cellsExposed.Add( wxGridCellCoords( row, col ) );
4457             }
4458         }
4459
4460         iter++;
4461     }
4462
4463     return cellsExposed;
4464 }
4465
4466
4467 void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
4468 {
4469     int x, y, row;
4470     wxPoint pos( event.GetPosition() );
4471     CalcUnscrolledPosition( pos.x, pos.y, &x, &y );
4472
4473     if ( event.Dragging() )
4474     {
4475         if (!m_isDragging)
4476         {
4477             m_isDragging = TRUE;
4478             m_rowLabelWin->CaptureMouse();
4479         }
4480
4481         if ( event.LeftIsDown() )
4482         {
4483             switch( m_cursorMode )
4484             {
4485                 case WXGRID_CURSOR_RESIZE_ROW:
4486                 {
4487                     int cw, ch, left, dummy;
4488                     m_gridWin->GetClientSize( &cw, &ch );
4489                     CalcUnscrolledPosition( 0, 0, &left, &dummy );
4490
4491                     wxClientDC dc( m_gridWin );
4492                     PrepareDC( dc );
4493                     y = wxMax( y,
4494                                GetRowTop(m_dragRowOrCol) +
4495                                GetRowMinimalHeight(m_dragRowOrCol) );
4496                     dc.SetLogicalFunction(wxINVERT);
4497                     if ( m_dragLastPos >= 0 )
4498                     {
4499                         dc.DrawLine( left, m_dragLastPos, left+cw, m_dragLastPos );
4500                     }
4501                     dc.DrawLine( left, y, left+cw, y );
4502                     m_dragLastPos = y;
4503                 }
4504                 break;
4505
4506                 case WXGRID_CURSOR_SELECT_ROW:
4507                     if ( (row = YToRow( y )) >= 0 )
4508                     {
4509                         if ( m_selection )
4510                         {
4511                             m_selection->SelectRow( row,
4512                                                     event.ControlDown(),
4513                                                     event.ShiftDown(),
4514                                                     event.AltDown(),
4515                                                     event.MetaDown() );
4516                         }
4517                     }
4518
4519                 // default label to suppress warnings about "enumeration value
4520                 // 'xxx' not handled in switch
4521                 default:
4522                     break;
4523             }
4524         }
4525         return;
4526     }
4527
4528     if ( m_isDragging && (event.Entering() || event.Leaving()) )
4529         return;
4530
4531     if (m_isDragging)
4532     {
4533         if (m_rowLabelWin->HasCapture()) m_rowLabelWin->ReleaseMouse();
4534         m_isDragging = FALSE;
4535     }
4536
4537     // ------------ Entering or leaving the window
4538     //
4539     if ( event.Entering() || event.Leaving() )
4540     {
4541         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin);
4542     }
4543
4544
4545     // ------------ Left button pressed
4546     //
4547     else if ( event.LeftDown() )
4548     {
4549         // don't send a label click event for a hit on the
4550         // edge of the row label - this is probably the user
4551         // wanting to resize the row
4552         //
4553         if ( YToEdgeOfRow(y) < 0 )
4554         {
4555             row = YToRow(y);
4556             if ( row >= 0  &&
4557                  !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, row, -1, event ) )
4558             {
4559                 if ( !event.ShiftDown() && !event.ControlDown() )
4560                     ClearSelection();
4561                 else if ( m_selection )
4562                 {
4563                     if ( event.ShiftDown() )
4564                     {
4565                         m_selection->SelectBlock( m_currentCellCoords.GetRow(),
4566                                                   0,
4567                                                   row,
4568                                                   GetNumberCols() - 1,
4569                                                   event.ControlDown(),
4570                                                   event.ShiftDown(),
4571                                                   event.AltDown(),
4572                                                   event.MetaDown() );
4573                     }
4574                     else
4575                     {
4576                         m_selection->SelectRow( row,
4577                                                 event.ControlDown(),
4578                                                 event.ShiftDown(),
4579                                                 event.AltDown(),
4580                                                 event.MetaDown() );
4581                     }
4582                 }
4583
4584                 ChangeCursorMode(WXGRID_CURSOR_SELECT_ROW, m_rowLabelWin);
4585             }
4586         }
4587         else
4588         {
4589             // starting to drag-resize a row
4590             //
4591             if ( CanDragRowSize() )
4592                 ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, m_rowLabelWin);
4593         }
4594     }
4595
4596
4597     // ------------ Left double click
4598     //
4599     else if (event.LeftDClick() )
4600     {
4601         if ( YToEdgeOfRow(y) < 0 )
4602         {
4603             row = YToRow(y);
4604             SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, row, -1, event );
4605         }
4606     }
4607
4608
4609     // ------------ Left button released
4610     //
4611     else if ( event.LeftUp() )
4612     {
4613         if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
4614         {
4615             DoEndDragResizeRow();
4616
4617             // Note: we are ending the event *after* doing
4618             // default processing in this case
4619             //
4620             SendEvent( wxEVT_GRID_ROW_SIZE, m_dragRowOrCol, -1, event );
4621         }
4622
4623         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin);
4624         m_dragLastPos = -1;
4625     }
4626
4627
4628     // ------------ Right button down
4629     //
4630     else if ( event.RightDown() )
4631     {
4632         row = YToRow(y);
4633         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, row, -1, event ) )
4634         {
4635             // no default action at the moment
4636         }
4637     }
4638
4639
4640     // ------------ Right double click
4641     //
4642     else if ( event.RightDClick() )
4643     {
4644         row = YToRow(y);
4645         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, row, -1, event ) )
4646         {
4647             // no default action at the moment
4648         }
4649     }
4650
4651
4652     // ------------ No buttons down and mouse moving
4653     //
4654     else if ( event.Moving() )
4655     {
4656         m_dragRowOrCol = YToEdgeOfRow( y );
4657         if ( m_dragRowOrCol >= 0 )
4658         {
4659             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
4660             {
4661                 // don't capture the mouse yet
4662                 if ( CanDragRowSize() )
4663                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, m_rowLabelWin, FALSE);
4664             }
4665         }
4666         else if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
4667         {
4668             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin, FALSE);
4669         }
4670     }
4671 }
4672
4673
4674 void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
4675 {
4676     int x, y, col;
4677     wxPoint pos( event.GetPosition() );
4678     CalcUnscrolledPosition( pos.x, pos.y, &x, &y );
4679
4680     if ( event.Dragging() )
4681     {
4682         if (!m_isDragging)
4683         {
4684             m_isDragging = TRUE;
4685             m_colLabelWin->CaptureMouse();
4686         }
4687
4688         if ( event.LeftIsDown() )
4689         {
4690             switch( m_cursorMode )
4691             {
4692                 case WXGRID_CURSOR_RESIZE_COL:
4693                 {
4694                     int cw, ch, dummy, top;
4695                     m_gridWin->GetClientSize( &cw, &ch );
4696                     CalcUnscrolledPosition( 0, 0, &dummy, &top );
4697
4698                     wxClientDC dc( m_gridWin );
4699                     PrepareDC( dc );
4700
4701                     x = wxMax( x, GetColLeft(m_dragRowOrCol) +
4702                                   GetColMinimalWidth(m_dragRowOrCol));
4703                     dc.SetLogicalFunction(wxINVERT);
4704                     if ( m_dragLastPos >= 0 )
4705                     {
4706                         dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top+ch );
4707                     }
4708                     dc.DrawLine( x, top, x, top+ch );
4709                     m_dragLastPos = x;
4710                 }
4711                 break;
4712
4713                 case WXGRID_CURSOR_SELECT_COL:
4714                     if ( (col = XToCol( x )) >= 0 )
4715                     {
4716                         if ( m_selection )
4717                         {
4718                             m_selection->SelectCol( col,
4719                                                     event.ControlDown(),
4720                                                     event.ShiftDown(),
4721                                                     event.AltDown(),
4722                                                     event.MetaDown() );
4723                         }
4724                     }
4725
4726                 // default label to suppress warnings about "enumeration value
4727                 // 'xxx' not handled in switch
4728                 default:
4729                     break;
4730             }
4731         }
4732         return;
4733     }
4734
4735     if ( m_isDragging && (event.Entering() || event.Leaving()) )
4736         return;
4737
4738     if (m_isDragging)
4739     {
4740         if (m_colLabelWin->HasCapture()) m_colLabelWin->ReleaseMouse();
4741         m_isDragging = FALSE;
4742     }
4743
4744     // ------------ Entering or leaving the window
4745     //
4746     if ( event.Entering() || event.Leaving() )
4747     {
4748         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin);
4749     }
4750
4751
4752     // ------------ Left button pressed
4753     //
4754     else if ( event.LeftDown() )
4755     {
4756         // don't send a label click event for a hit on the
4757         // edge of the col label - this is probably the user
4758         // wanting to resize the col
4759         //
4760         if ( XToEdgeOfCol(x) < 0 )
4761         {
4762             col = XToCol(x);
4763             if ( col >= 0  &&
4764                  !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, -1, col, event ) )
4765             {
4766                 if ( !event.ShiftDown() && !event.ControlDown() )
4767                     ClearSelection();
4768                 if ( m_selection )
4769                 {
4770                     if ( event.ShiftDown() )
4771                     {
4772                         m_selection->SelectBlock( 0,
4773                                                   m_currentCellCoords.GetCol(),
4774                                                   GetNumberRows() - 1, col,
4775                                                   event.ControlDown(),
4776                                                   event.ShiftDown(),
4777                                                   event.AltDown(),
4778                                                   event.MetaDown() );
4779                     }
4780                     else
4781                     {
4782                         m_selection->SelectCol( col,
4783                                                 event.ControlDown(),
4784                                                 event.ShiftDown(),
4785                                                 event.AltDown(),
4786                                                 event.MetaDown() );
4787                     }
4788                 }
4789
4790                 ChangeCursorMode(WXGRID_CURSOR_SELECT_COL, m_colLabelWin);
4791             }
4792         }
4793         else
4794         {
4795             // starting to drag-resize a col
4796             //
4797             if ( CanDragColSize() )
4798                 ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, m_colLabelWin);
4799         }
4800     }
4801
4802
4803     // ------------ Left double click
4804     //
4805     if ( event.LeftDClick() )
4806     {
4807         if ( XToEdgeOfCol(x) < 0 )
4808         {
4809             col = XToCol(x);
4810             SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, -1, col, event );
4811         }
4812     }
4813
4814
4815     // ------------ Left button released
4816     //
4817     else if ( event.LeftUp() )
4818     {
4819         if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL )
4820         {
4821             DoEndDragResizeCol();
4822
4823             // Note: we are ending the event *after* doing
4824             // default processing in this case
4825             //
4826             SendEvent( wxEVT_GRID_COL_SIZE, -1, m_dragRowOrCol, event );
4827         }
4828
4829         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin);
4830         m_dragLastPos  = -1;
4831     }
4832
4833
4834     // ------------ Right button down
4835     //
4836     else if ( event.RightDown() )
4837     {
4838         col = XToCol(x);
4839         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, -1, col, event ) )
4840         {
4841             // no default action at the moment
4842         }
4843     }
4844
4845
4846     // ------------ Right double click
4847     //
4848     else if ( event.RightDClick() )
4849     {
4850         col = XToCol(x);
4851         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, -1, col, event ) )
4852         {
4853             // no default action at the moment
4854         }
4855     }
4856
4857
4858     // ------------ No buttons down and mouse moving
4859     //
4860     else if ( event.Moving() )
4861     {
4862         m_dragRowOrCol = XToEdgeOfCol( x );
4863         if ( m_dragRowOrCol >= 0 )
4864         {
4865             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
4866             {
4867                 // don't capture the cursor yet
4868                 if ( CanDragColSize() )
4869                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, m_colLabelWin, FALSE);
4870             }
4871         }
4872         else if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
4873         {
4874             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin, FALSE);
4875         }
4876     }
4877 }
4878
4879
4880 void wxGrid::ProcessCornerLabelMouseEvent( wxMouseEvent& event )
4881 {
4882     if ( event.LeftDown() )
4883     {
4884         // indicate corner label by having both row and
4885         // col args == -1
4886         //
4887         if ( !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, -1, -1, event ) )
4888         {
4889             SelectAll();
4890         }
4891     }
4892
4893     else if ( event.LeftDClick() )
4894     {
4895         SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, -1, -1, event );
4896     }
4897
4898     else if ( event.RightDown() )
4899     {
4900         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, -1, -1, event ) )
4901         {
4902             // no default action at the moment
4903         }
4904     }
4905
4906     else if ( event.RightDClick() )
4907     {
4908         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, -1, -1, event ) )
4909         {
4910             // no default action at the moment
4911         }
4912     }
4913 }
4914
4915 void wxGrid::ChangeCursorMode(CursorMode mode,
4916                               wxWindow *win,
4917                               bool captureMouse)
4918 {
4919 #ifdef __WXDEBUG__
4920     static const wxChar *cursorModes[] =
4921     {
4922         _T("SELECT_CELL"),
4923         _T("RESIZE_ROW"),
4924         _T("RESIZE_COL"),
4925         _T("SELECT_ROW"),
4926         _T("SELECT_COL")
4927     };
4928
4929     wxLogTrace(_T("grid"),
4930                _T("wxGrid cursor mode (mouse capture for %s): %s -> %s"),
4931                win == m_colLabelWin ? _T("colLabelWin")
4932                                     : win ? _T("rowLabelWin")
4933                                           : _T("gridWin"),
4934                cursorModes[m_cursorMode], cursorModes[mode]);
4935 #endif // __WXDEBUG__
4936
4937     if ( mode == m_cursorMode &&
4938          win == m_winCapture &&
4939          captureMouse == (m_winCapture != NULL))
4940         return;
4941
4942     if ( !win )
4943     {
4944         // by default use the grid itself
4945         win = m_gridWin;
4946     }
4947
4948     if ( m_winCapture )
4949     {
4950         if (m_winCapture->HasCapture()) m_winCapture->ReleaseMouse();
4951         m_winCapture = (wxWindow *)NULL;
4952     }
4953
4954     m_cursorMode = mode;
4955
4956     switch ( m_cursorMode )
4957     {
4958         case WXGRID_CURSOR_RESIZE_ROW:
4959             win->SetCursor( m_rowResizeCursor );
4960             break;
4961
4962         case WXGRID_CURSOR_RESIZE_COL:
4963             win->SetCursor( m_colResizeCursor );
4964             break;
4965
4966         default:
4967             win->SetCursor( *wxSTANDARD_CURSOR );
4968     }
4969
4970     // we need to capture mouse when resizing
4971     bool resize = m_cursorMode == WXGRID_CURSOR_RESIZE_ROW ||
4972                   m_cursorMode == WXGRID_CURSOR_RESIZE_COL;
4973
4974     if ( captureMouse && resize )
4975     {
4976         win->CaptureMouse();
4977         m_winCapture = win;
4978     }
4979 }
4980
4981 void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
4982 {
4983     int x, y;
4984     wxPoint pos( event.GetPosition() );
4985     CalcUnscrolledPosition( pos.x, pos.y, &x, &y );
4986
4987     wxGridCellCoords coords;
4988     XYToCell( x, y, coords );
4989
4990     int cell_rows, cell_cols;
4991     GetCellSize( coords.GetRow(), coords.GetCol(), &cell_rows, &cell_cols );
4992     if ((cell_rows < 0) || (cell_cols < 0))
4993     {
4994         coords.SetRow(coords.GetRow() + cell_rows);
4995         coords.SetCol(coords.GetCol() + cell_cols);
4996     }
4997
4998     if ( event.Dragging() )
4999     {
5000         //wxLogDebug("pos(%d, %d) coords(%d, %d)", pos.x, pos.y, coords.GetRow(), coords.GetCol());
5001
5002         // Don't start doing anything until the mouse has been drug at
5003         // least 3 pixels in any direction...
5004         if (! m_isDragging)
5005         {
5006             if (m_startDragPos == wxDefaultPosition)
5007             {
5008                 m_startDragPos = pos;
5009                 return;
5010             }
5011             if (abs(m_startDragPos.x - pos.x) < 4 && abs(m_startDragPos.y - pos.y) < 4)
5012                 return;
5013         }
5014
5015         m_isDragging = TRUE;
5016         if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5017         {
5018             // Hide the edit control, so it
5019             // won't interfer with drag-shrinking.
5020             if ( IsCellEditControlShown() )
5021             {
5022                 HideCellEditControl();
5023                 SaveEditControlValue();
5024             }
5025
5026             // Have we captured the mouse yet?
5027             if (! m_winCapture)
5028             {
5029                 m_winCapture = m_gridWin;
5030                 m_winCapture->CaptureMouse();
5031             }
5032
5033             if ( coords != wxGridNoCellCoords )
5034             {
5035                 if ( event.ControlDown() )
5036                 {
5037                     if ( m_selectingKeyboard == wxGridNoCellCoords)
5038                         m_selectingKeyboard = coords;
5039                     HighlightBlock ( m_selectingKeyboard, coords );
5040                 }
5041                 else
5042                 {
5043                     if ( !IsSelection() )
5044                     {
5045                         HighlightBlock( coords, coords );
5046                     }
5047                     else
5048                     {
5049                         HighlightBlock( m_currentCellCoords, coords );
5050                     }
5051                 }
5052
5053                 if (! IsVisible(coords))
5054                 {
5055                     MakeCellVisible(coords);
5056                     // TODO: need to introduce a delay or something here.  The
5057                     // scrolling is way to fast, at least on MSW - also on GTK.
5058                 }
5059             }
5060         }
5061         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
5062         {
5063             int cw, ch, left, dummy;
5064             m_gridWin->GetClientSize( &cw, &ch );
5065             CalcUnscrolledPosition( 0, 0, &left, &dummy );
5066
5067             wxClientDC dc( m_gridWin );
5068             PrepareDC( dc );
5069             y = wxMax( y, GetRowTop(m_dragRowOrCol) +
5070                           GetRowMinimalHeight(m_dragRowOrCol) );
5071             dc.SetLogicalFunction(wxINVERT);
5072             if ( m_dragLastPos >= 0 )
5073             {
5074                 dc.DrawLine( left, m_dragLastPos, left+cw, m_dragLastPos );
5075             }
5076             dc.DrawLine( left, y, left+cw, y );
5077             m_dragLastPos = y;
5078         }
5079         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL )
5080         {
5081             int cw, ch, dummy, top;
5082             m_gridWin->GetClientSize( &cw, &ch );
5083             CalcUnscrolledPosition( 0, 0, &dummy, &top );
5084
5085             wxClientDC dc( m_gridWin );
5086             PrepareDC( dc );
5087             x = wxMax( x, GetColLeft(m_dragRowOrCol) +
5088                           GetColMinimalWidth(m_dragRowOrCol) );
5089             dc.SetLogicalFunction(wxINVERT);
5090             if ( m_dragLastPos >= 0 )
5091             {
5092                 dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top+ch );
5093             }
5094             dc.DrawLine( x, top, x, top+ch );
5095             m_dragLastPos = x;
5096         }
5097
5098         return;
5099     }
5100
5101     m_isDragging = FALSE;
5102     m_startDragPos = wxDefaultPosition;
5103
5104     // VZ: if we do this, the mode is reset to WXGRID_CURSOR_SELECT_CELL
5105     //     immediately after it becomes WXGRID_CURSOR_RESIZE_ROW/COL under
5106     //     wxGTK
5107 #if 0
5108     if ( event.Entering() || event.Leaving() )
5109     {
5110         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5111         m_gridWin->SetCursor( *wxSTANDARD_CURSOR );
5112     }
5113     else
5114 #endif // 0
5115
5116     // ------------ Left button pressed
5117     //
5118     if ( event.LeftDown() && coords != wxGridNoCellCoords )
5119     {
5120         if ( !SendEvent( wxEVT_GRID_CELL_LEFT_CLICK,
5121                        coords.GetRow(),
5122                        coords.GetCol(),
5123                        event ) )
5124         {
5125             if ( !event.ControlDown() )
5126                 ClearSelection();
5127             if ( event.ShiftDown() )
5128             {
5129                 if ( m_selection )
5130                 {
5131                     m_selection->SelectBlock( m_currentCellCoords.GetRow(),
5132                                               m_currentCellCoords.GetCol(),
5133                                               coords.GetRow(),
5134                                               coords.GetCol(),
5135                                               event.ControlDown(),
5136                                               event.ShiftDown(),
5137                                               event.AltDown(),
5138                                               event.MetaDown() );
5139                 }
5140             }
5141             else if ( XToEdgeOfCol(x) < 0  &&
5142                       YToEdgeOfRow(y) < 0 )
5143             {
5144                 DisableCellEditControl();
5145                 MakeCellVisible( coords );
5146
5147                 // if this is the second click on this cell then start
5148                 // the edit control
5149                 if ( m_waitForSlowClick &&
5150                      (coords == m_currentCellCoords) &&
5151                      CanEnableCellControl())
5152                 {
5153                     EnableCellEditControl();
5154
5155                     wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords);
5156                     wxGridCellEditor *editor = attr->GetEditor(this,
5157                                                                coords.GetRow(),
5158                                                                coords.GetCol());
5159                     editor->StartingClick();
5160                     editor->DecRef();
5161                     attr->DecRef();
5162
5163                     m_waitForSlowClick = FALSE;
5164                 }
5165                 else
5166                 {
5167                     if ( event.ControlDown() )
5168                     {
5169                         if ( m_selection )
5170                         {
5171                             m_selection->ToggleCellSelection( coords.GetRow(),
5172                                                               coords.GetCol(),
5173                                                               event.ControlDown(),
5174                                                               event.ShiftDown(),
5175                                                               event.AltDown(),
5176                                                               event.MetaDown() );
5177                         }
5178                         m_selectingTopLeft = wxGridNoCellCoords;
5179                         m_selectingBottomRight = wxGridNoCellCoords;
5180                         m_selectingKeyboard = coords;
5181                     }
5182                     else
5183                     {
5184                         SetCurrentCell( coords );
5185                         if ( m_selection )
5186                         {
5187                             if ( m_selection->GetSelectionMode() !=
5188                                     wxGrid::wxGridSelectCells )
5189                             {
5190                                 HighlightBlock( coords, coords );
5191                             }
5192                         }
5193                     }
5194                     m_waitForSlowClick = TRUE;
5195                 }
5196             }
5197         }
5198     }
5199
5200
5201     // ------------ Left double click
5202     //
5203     else if ( event.LeftDClick() && coords != wxGridNoCellCoords )
5204     {
5205         DisableCellEditControl();
5206
5207         if ( XToEdgeOfCol(x) < 0  &&  YToEdgeOfRow(y) < 0 )
5208         {
5209             SendEvent( wxEVT_GRID_CELL_LEFT_DCLICK,
5210                        coords.GetRow(),
5211                        coords.GetCol(),
5212                        event );
5213         }
5214     }
5215
5216
5217     // ------------ Left button released
5218     //
5219     else if ( event.LeftUp() )
5220     {
5221         if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5222         {
5223             if ( m_selectingTopLeft != wxGridNoCellCoords &&
5224                  m_selectingBottomRight != wxGridNoCellCoords )
5225             {
5226                 if (m_winCapture)
5227                 {
5228                     if (m_winCapture->HasCapture()) m_winCapture->ReleaseMouse();
5229                     m_winCapture = NULL;
5230                 }
5231
5232                 if ( m_selection )
5233                 {
5234                     m_selection->SelectBlock( m_selectingTopLeft.GetRow(),
5235                                               m_selectingTopLeft.GetCol(),
5236                                               m_selectingBottomRight.GetRow(),
5237                                               m_selectingBottomRight.GetCol(),
5238                                               event.ControlDown(),
5239                                               event.ShiftDown(),
5240                                               event.AltDown(),
5241                                               event.MetaDown() );
5242                 }
5243
5244                 m_selectingTopLeft = wxGridNoCellCoords;
5245                 m_selectingBottomRight = wxGridNoCellCoords;
5246             }
5247
5248             // Show the edit control, if it has been hidden for
5249             // drag-shrinking.
5250             ShowCellEditControl();
5251         }
5252         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
5253         {
5254             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5255             DoEndDragResizeRow();
5256
5257             // Note: we are ending the event *after* doing
5258             // default processing in this case
5259             //
5260             SendEvent( wxEVT_GRID_ROW_SIZE, m_dragRowOrCol, -1, event );
5261         }
5262         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL )
5263         {
5264             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5265             DoEndDragResizeCol();
5266
5267             // Note: we are ending the event *after* doing
5268             // default processing in this case
5269             //
5270             SendEvent( wxEVT_GRID_COL_SIZE, -1, m_dragRowOrCol, event );
5271         }
5272
5273         m_dragLastPos = -1;
5274     }
5275
5276
5277     // ------------ Right button down
5278     //
5279     else if ( event.RightDown() && coords != wxGridNoCellCoords )
5280     {
5281         DisableCellEditControl();
5282         if ( !SendEvent( wxEVT_GRID_CELL_RIGHT_CLICK,
5283                          coords.GetRow(),
5284                          coords.GetCol(),
5285                          event ) )
5286         {
5287             // no default action at the moment
5288         }
5289     }
5290
5291
5292     // ------------ Right double click
5293     //
5294     else if ( event.RightDClick() && coords != wxGridNoCellCoords )
5295     {
5296         DisableCellEditControl();
5297         if ( !SendEvent( wxEVT_GRID_CELL_RIGHT_DCLICK,
5298                          coords.GetRow(),
5299                          coords.GetCol(),
5300                          event ) )
5301         {
5302             // no default action at the moment
5303         }
5304     }
5305
5306     // ------------ Moving and no button action
5307     //
5308     else if ( event.Moving() && !event.IsButton() )
5309     {
5310         int dragRow = YToEdgeOfRow( y );
5311         int dragCol = XToEdgeOfCol( x );
5312
5313         // Dragging on the corner of a cell to resize in both
5314         // directions is not implemented yet...
5315         //
5316         if ( dragRow >= 0  &&  dragCol >= 0 )
5317         {
5318             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5319             return;
5320         }
5321
5322         if ( dragRow >= 0 )
5323         {
5324             m_dragRowOrCol = dragRow;
5325
5326             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5327             {
5328                 if ( CanDragRowSize() && CanDragGridSize() )
5329                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW);
5330             }
5331
5332             if ( dragCol >= 0 )
5333             {
5334                 m_dragRowOrCol = dragCol;
5335             }
5336
5337             return;
5338         }
5339
5340         if ( dragCol >= 0 )
5341         {
5342             m_dragRowOrCol = dragCol;
5343
5344             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5345             {
5346                 if ( CanDragColSize() && CanDragGridSize() )
5347                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL);
5348             }
5349
5350             return;
5351         }
5352
5353         // Neither on a row or col edge
5354         //
5355         if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
5356         {
5357             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5358         }
5359     }
5360 }
5361
5362
5363 void wxGrid::DoEndDragResizeRow()
5364 {
5365     if ( m_dragLastPos >= 0 )
5366     {
5367         // erase the last line and resize the row
5368         //
5369         int cw, ch, left, dummy;
5370         m_gridWin->GetClientSize( &cw, &ch );
5371         CalcUnscrolledPosition( 0, 0, &left, &dummy );
5372
5373         wxClientDC dc( m_gridWin );
5374         PrepareDC( dc );
5375         dc.SetLogicalFunction( wxINVERT );
5376         dc.DrawLine( left, m_dragLastPos, left+cw, m_dragLastPos );
5377         HideCellEditControl();
5378         SaveEditControlValue();
5379
5380         int rowTop = GetRowTop(m_dragRowOrCol);
5381         SetRowSize( m_dragRowOrCol,
5382                     wxMax( m_dragLastPos - rowTop, WXGRID_MIN_ROW_HEIGHT ) );
5383
5384         if ( !GetBatchCount() )
5385         {
5386             // Only needed to get the correct rect.y:
5387             wxRect rect ( CellToRect( m_dragRowOrCol, 0 ) );
5388             rect.x = 0;
5389             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
5390             rect.width = m_rowLabelWidth;
5391             rect.height = ch - rect.y;
5392             m_rowLabelWin->Refresh( TRUE, &rect );
5393             rect.width = cw;
5394             // if there is a multicell block, paint all of it
5395             if (m_table)
5396             {
5397                 int i, cell_rows, cell_cols, subtract_rows = 0;
5398                 int leftCol = XToCol(left);
5399                 int rightCol = XToCol(left+cw);
5400                 if (leftCol >= 0)
5401                 {
5402                     if (rightCol < 0) rightCol = m_numCols;
5403                     for (i=leftCol; i<rightCol; i++)
5404                     {
5405                         GetCellSize(m_dragRowOrCol, i, &cell_rows, &cell_cols);
5406                         if (cell_rows < subtract_rows)
5407                             subtract_rows = cell_rows;
5408                     }
5409                     rect.y = GetRowTop(m_dragRowOrCol + subtract_rows);
5410                     CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
5411                     rect.height = ch - rect.y;
5412                 }
5413             }
5414             m_gridWin->Refresh( FALSE, &rect );
5415         }
5416
5417         ShowCellEditControl();
5418     }
5419 }
5420
5421
5422 void wxGrid::DoEndDragResizeCol()
5423 {
5424     if ( m_dragLastPos >= 0 )
5425     {
5426         // erase the last line and resize the col
5427         //
5428         int cw, ch, dummy, top;
5429         m_gridWin->GetClientSize( &cw, &ch );
5430         CalcUnscrolledPosition( 0, 0, &dummy, &top );
5431
5432         wxClientDC dc( m_gridWin );
5433         PrepareDC( dc );
5434         dc.SetLogicalFunction( wxINVERT );
5435         dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top+ch );
5436         HideCellEditControl();
5437         SaveEditControlValue();
5438
5439         int colLeft = GetColLeft(m_dragRowOrCol);
5440         SetColSize( m_dragRowOrCol,
5441                     wxMax( m_dragLastPos - colLeft,
5442                            GetColMinimalWidth(m_dragRowOrCol) ) );
5443
5444         if ( !GetBatchCount() )
5445         {
5446             // Only needed to get the correct rect.x:
5447             wxRect rect ( CellToRect( 0, m_dragRowOrCol ) );
5448             rect.y = 0;
5449             CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
5450             rect.width = cw - rect.x;
5451             rect.height = m_colLabelHeight;
5452             m_colLabelWin->Refresh( TRUE, &rect );
5453             rect.height = ch;
5454             // if there is a multicell block, paint all of it
5455             if (m_table)
5456             {
5457                 int i, cell_rows, cell_cols, subtract_cols = 0;
5458                 int topRow = YToRow(top);
5459                 int bottomRow = YToRow(top+cw);
5460                 if (topRow >= 0)
5461                 {
5462                     if (bottomRow < 0) bottomRow = m_numRows;
5463                     for (i=topRow; i<bottomRow; i++)
5464                     {
5465                         GetCellSize(i, m_dragRowOrCol, &cell_rows, &cell_cols);
5466                         if (cell_cols < subtract_cols)
5467                             subtract_cols = cell_cols;
5468                     }
5469                     rect.x = GetColLeft(m_dragRowOrCol + subtract_cols);
5470                     CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
5471                     rect.width = cw - rect.x;
5472                 }
5473             }
5474             m_gridWin->Refresh( FALSE, &rect );
5475         }
5476
5477         ShowCellEditControl();
5478     }
5479 }
5480
5481
5482
5483 //
5484 // ------ interaction with data model
5485 //
5486 bool wxGrid::ProcessTableMessage( wxGridTableMessage& msg )
5487 {
5488     switch ( msg.GetId() )
5489     {
5490         case wxGRIDTABLE_REQUEST_VIEW_GET_VALUES:
5491             return GetModelValues();
5492
5493         case wxGRIDTABLE_REQUEST_VIEW_SEND_VALUES:
5494             return SetModelValues();
5495
5496         case wxGRIDTABLE_NOTIFY_ROWS_INSERTED:
5497         case wxGRIDTABLE_NOTIFY_ROWS_APPENDED:
5498         case wxGRIDTABLE_NOTIFY_ROWS_DELETED:
5499         case wxGRIDTABLE_NOTIFY_COLS_INSERTED:
5500         case wxGRIDTABLE_NOTIFY_COLS_APPENDED:
5501         case wxGRIDTABLE_NOTIFY_COLS_DELETED:
5502             return Redimension( msg );
5503
5504         default:
5505             return FALSE;
5506     }
5507 }
5508
5509
5510
5511 // The behaviour of this function depends on the grid table class
5512 // Clear() function.  For the default wxGridStringTable class the
5513 // behavious is to replace all cell contents with wxEmptyString but
5514 // not to change the number of rows or cols.
5515 //
5516 void wxGrid::ClearGrid()
5517 {
5518     if ( m_table )
5519     {
5520         if (IsCellEditControlEnabled())
5521             DisableCellEditControl();
5522
5523         m_table->Clear();
5524         if ( !GetBatchCount() ) m_gridWin->Refresh();
5525     }
5526 }
5527
5528
5529 bool wxGrid::InsertRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
5530 {
5531     // TODO: something with updateLabels flag
5532
5533     if ( !m_created )
5534     {
5535         wxFAIL_MSG( wxT("Called wxGrid::InsertRows() before calling CreateGrid()") );
5536         return FALSE;
5537     }
5538
5539     if ( m_table )
5540     {
5541         if (IsCellEditControlEnabled())
5542             DisableCellEditControl();
5543
5544         return m_table->InsertRows( pos, numRows );
5545
5546         // the table will have sent the results of the insert row
5547         // operation to this view object as a grid table message
5548     }
5549     return FALSE;
5550 }
5551
5552
5553 bool wxGrid::AppendRows( int numRows, bool WXUNUSED(updateLabels) )
5554 {
5555     // TODO: something with updateLabels flag
5556
5557     if ( !m_created )
5558     {
5559         wxFAIL_MSG( wxT("Called wxGrid::AppendRows() before calling CreateGrid()") );
5560         return FALSE;
5561     }
5562
5563     return ( m_table && m_table->AppendRows( numRows ) );
5564     // the table will have sent the results of the append row
5565     // operation to this view object as a grid table message
5566 }
5567
5568
5569 bool wxGrid::DeleteRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
5570 {
5571     // TODO: something with updateLabels flag
5572
5573     if ( !m_created )
5574     {
5575         wxFAIL_MSG( wxT("Called wxGrid::DeleteRows() before calling CreateGrid()") );
5576         return FALSE;
5577     }
5578
5579     if ( m_table )
5580     {
5581         if (IsCellEditControlEnabled())
5582             DisableCellEditControl();
5583
5584         return (m_table->DeleteRows( pos, numRows ));
5585         // the table will have sent the results of the delete row
5586         // operation to this view object as a grid table message
5587     }
5588     return FALSE;
5589 }
5590
5591
5592 bool wxGrid::InsertCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
5593 {
5594     // TODO: something with updateLabels flag
5595
5596     if ( !m_created )
5597     {
5598         wxFAIL_MSG( wxT("Called wxGrid::InsertCols() before calling CreateGrid()") );
5599         return FALSE;
5600     }
5601
5602     if ( m_table )
5603     {
5604         if (IsCellEditControlEnabled())
5605             DisableCellEditControl();
5606
5607         return m_table->InsertCols( pos, numCols );
5608         // the table will have sent the results of the insert col
5609         // operation to this view object as a grid table message
5610     }
5611     return FALSE;
5612 }
5613
5614
5615 bool wxGrid::AppendCols( int numCols, bool WXUNUSED(updateLabels) )
5616 {
5617     // TODO: something with updateLabels flag
5618
5619     if ( !m_created )
5620     {
5621         wxFAIL_MSG( wxT("Called wxGrid::AppendCols() before calling CreateGrid()") );
5622         return FALSE;
5623     }
5624
5625     return ( m_table && m_table->AppendCols( numCols ) );
5626     // the table will have sent the results of the append col
5627     // operation to this view object as a grid table message
5628 }
5629
5630
5631 bool wxGrid::DeleteCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
5632 {
5633     // TODO: something with updateLabels flag
5634
5635     if ( !m_created )
5636     {
5637         wxFAIL_MSG( wxT("Called wxGrid::DeleteCols() before calling CreateGrid()") );
5638         return FALSE;
5639     }
5640
5641     if ( m_table )
5642     {
5643         if (IsCellEditControlEnabled())
5644             DisableCellEditControl();
5645
5646         return ( m_table->DeleteCols( pos, numCols ) );
5647         // the table will have sent the results of the delete col
5648         // operation to this view object as a grid table message
5649     }
5650     return FALSE;
5651 }
5652
5653
5654
5655 //
5656 // ----- event handlers
5657 //
5658
5659 // Generate a grid event based on a mouse event and
5660 // return the result of ProcessEvent()
5661 //
5662 int wxGrid::SendEvent( const wxEventType type,
5663                         int row, int col,
5664                         wxMouseEvent& mouseEv )
5665 {
5666    bool claimed;
5667    bool vetoed= FALSE;
5668
5669    if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE )
5670    {
5671        int rowOrCol = (row == -1 ? col : row);
5672
5673        wxGridSizeEvent gridEvt( GetId(),
5674                type,
5675                this,
5676                rowOrCol,
5677                mouseEv.GetX() + GetRowLabelSize(),
5678                mouseEv.GetY() + GetColLabelSize(),
5679                mouseEv.ControlDown(),
5680                mouseEv.ShiftDown(),
5681                mouseEv.AltDown(),
5682                mouseEv.MetaDown() );
5683
5684        claimed = GetEventHandler()->ProcessEvent(gridEvt);
5685        vetoed = !gridEvt.IsAllowed();
5686    }
5687    else if ( type == wxEVT_GRID_RANGE_SELECT )
5688    {
5689        // Right now, it should _never_ end up here!
5690        wxGridRangeSelectEvent gridEvt( GetId(),
5691                type,
5692                this,
5693                m_selectingTopLeft,
5694                m_selectingBottomRight,
5695                TRUE,
5696                mouseEv.ControlDown(),
5697                mouseEv.ShiftDown(),
5698                mouseEv.AltDown(),
5699                mouseEv.MetaDown() );
5700
5701        claimed = GetEventHandler()->ProcessEvent(gridEvt);
5702        vetoed = !gridEvt.IsAllowed();
5703    }
5704    else
5705    {
5706        wxGridEvent gridEvt( GetId(),
5707                type,
5708                this,
5709                row, col,
5710                mouseEv.GetX() + GetRowLabelSize(),
5711                mouseEv.GetY() + GetColLabelSize(),
5712                FALSE,
5713                mouseEv.ControlDown(),
5714                mouseEv.ShiftDown(),
5715                mouseEv.AltDown(),
5716                mouseEv.MetaDown() );
5717        claimed = GetEventHandler()->ProcessEvent(gridEvt);
5718        vetoed = !gridEvt.IsAllowed();
5719    }
5720
5721    // A Veto'd event may not be `claimed' so test this first
5722    if (vetoed) return -1;
5723    return claimed ? 1 : 0;
5724 }
5725
5726
5727 // Generate a grid event of specified type and return the result
5728 // of ProcessEvent().
5729 //
5730 int wxGrid::SendEvent( const wxEventType type,
5731                         int row, int col )
5732 {
5733    bool claimed;
5734    bool vetoed= FALSE;
5735
5736     if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE )
5737     {
5738         int rowOrCol = (row == -1 ? col : row);
5739
5740         wxGridSizeEvent gridEvt( GetId(),
5741                                  type,
5742                                  this,
5743                                  rowOrCol );
5744
5745         claimed = GetEventHandler()->ProcessEvent(gridEvt);
5746         vetoed  = !gridEvt.IsAllowed();
5747     }
5748     else
5749     {
5750         wxGridEvent gridEvt( GetId(),
5751                              type,
5752                              this,
5753                              row, col );
5754
5755         claimed = GetEventHandler()->ProcessEvent(gridEvt);
5756         vetoed  = !gridEvt.IsAllowed();
5757      }
5758
5759     // A Veto'd event may not be `claimed' so test this first
5760     if (vetoed) return -1;
5761     return claimed ? 1 : 0;
5762 }
5763
5764
5765 void wxGrid::OnPaint( wxPaintEvent& WXUNUSED(event) )
5766 {
5767     wxPaintDC dc(this);  // needed to prevent zillions of paint events on MSW
5768 }
5769
5770 void wxGrid::Refresh(bool eraseb, const wxRect* rect)
5771 {
5772     // Don't do anything if between Begin/EndBatch...
5773     // EndBatch() will do all this on the last nested one anyway.
5774     if (! GetBatchCount())
5775     {
5776         // Refresh to get correct scrolled position:
5777         wxScrolledWindow::Refresh(eraseb,rect);
5778
5779         if (rect)
5780         {
5781             int rect_x, rect_y, rectWidth, rectHeight;
5782             int width_label, width_cell, height_label, height_cell;
5783             int x, y;
5784
5785             //Copy rectangle can get scroll offsets..
5786             rect_x = rect->GetX();
5787             rect_y = rect->GetY();
5788             rectWidth = rect->GetWidth();
5789             rectHeight = rect->GetHeight();
5790
5791             width_label = m_rowLabelWidth - rect_x;
5792             if (width_label > rectWidth) width_label = rectWidth;
5793
5794             height_label = m_colLabelHeight - rect_y;
5795             if (height_label > rectHeight) height_label = rectHeight;
5796
5797             if (rect_x > m_rowLabelWidth)
5798             {
5799                 x = rect_x - m_rowLabelWidth;
5800                 width_cell = rectWidth;
5801             }
5802             else
5803             {
5804                 x = 0;
5805                 width_cell = rectWidth - (m_rowLabelWidth - rect_x);
5806             }
5807
5808             if (rect_y > m_colLabelHeight)
5809             {
5810                 y = rect_y - m_colLabelHeight;
5811                 height_cell = rectHeight;
5812             }
5813             else
5814             {
5815                 y = 0;
5816                 height_cell = rectHeight - (m_colLabelHeight - rect_y);
5817             }
5818
5819             // Paint corner label part intersecting rect.
5820             if ( width_label > 0 && height_label > 0 )
5821             {
5822                 wxRect anotherrect(rect_x, rect_y, width_label, height_label);
5823                 m_cornerLabelWin->Refresh(eraseb, &anotherrect);
5824             }
5825
5826             // Paint col labels part intersecting rect.
5827             if ( width_cell > 0 && height_label > 0 )
5828             {
5829                 wxRect anotherrect(x, rect_y, width_cell, height_label);
5830                 m_colLabelWin->Refresh(eraseb, &anotherrect);
5831             }
5832
5833             // Paint row labels part intersecting rect.
5834             if ( width_label > 0 && height_cell > 0 )
5835             {
5836                 wxRect anotherrect(rect_x, y, width_label, height_cell);
5837                 m_rowLabelWin->Refresh(eraseb, &anotherrect);
5838             }
5839
5840             // Paint cell area part intersecting rect.
5841             if ( width_cell > 0 && height_cell > 0 )
5842             {
5843                 wxRect anotherrect(x, y, width_cell, height_cell);
5844                 m_gridWin->Refresh(eraseb, &anotherrect);
5845             }
5846         }
5847         else
5848         {
5849             m_cornerLabelWin->Refresh(eraseb, NULL);
5850             m_colLabelWin->Refresh(eraseb, NULL);
5851             m_rowLabelWin->Refresh(eraseb, NULL);
5852             m_gridWin->Refresh(eraseb, NULL);
5853         }
5854     }
5855 }
5856
5857 void wxGrid::OnSize( wxSizeEvent& event )
5858 {
5859     // position the child windows
5860     CalcWindowSizes();
5861
5862     // don't call CalcDimensions() from here, the base class handles the size
5863     // changes itself
5864     event.Skip();
5865 }
5866
5867
5868 void wxGrid::OnKeyDown( wxKeyEvent& event )
5869 {
5870     if ( m_inOnKeyDown )
5871     {
5872         // shouldn't be here - we are going round in circles...
5873         //
5874         wxFAIL_MSG( wxT("wxGrid::OnKeyDown called while already active") );
5875     }
5876
5877     m_inOnKeyDown = TRUE;
5878
5879     // propagate the event up and see if it gets processed
5880     //
5881     wxWindow *parent = GetParent();
5882     wxKeyEvent keyEvt( event );
5883     keyEvt.SetEventObject( parent );
5884
5885     if ( !parent->GetEventHandler()->ProcessEvent( keyEvt ) )
5886     {
5887
5888         // try local handlers
5889         //
5890         switch ( event.KeyCode() )
5891         {
5892             case WXK_UP:
5893                 if ( event.ControlDown() )
5894                 {
5895                     MoveCursorUpBlock( event.ShiftDown() );
5896                 }
5897                 else
5898                 {
5899                     MoveCursorUp( event.ShiftDown() );
5900                 }
5901                 break;
5902
5903             case WXK_DOWN:
5904                 if ( event.ControlDown() )
5905                 {
5906                     MoveCursorDownBlock( event.ShiftDown() );
5907                 }
5908                 else
5909                 {
5910                     MoveCursorDown( event.ShiftDown() );
5911                 }
5912                 break;
5913
5914             case WXK_LEFT:
5915                 if ( event.ControlDown() )
5916                 {
5917                     MoveCursorLeftBlock( event.ShiftDown() );
5918                 }
5919                 else
5920                 {
5921                     MoveCursorLeft( event.ShiftDown() );
5922                 }
5923                 break;
5924
5925             case WXK_RIGHT:
5926                 if ( event.ControlDown() )
5927                 {
5928                     MoveCursorRightBlock( event.ShiftDown() );
5929                 }
5930                 else
5931                 {
5932                     MoveCursorRight( event.ShiftDown() );
5933                 }
5934                 break;
5935
5936             case WXK_RETURN:
5937             case WXK_NUMPAD_ENTER:
5938                 if ( event.ControlDown() )
5939                 {
5940                     event.Skip();  // to let the edit control have the return
5941                 }
5942                 else
5943                 {
5944                     if ( GetGridCursorRow() < GetNumberRows()-1 )
5945                     {
5946                         MoveCursorDown( event.ShiftDown() );
5947                     }
5948                     else
5949                     {
5950                         // at the bottom of a column
5951                         HideCellEditControl();
5952                         SaveEditControlValue();
5953                     }
5954                 }
5955                 break;
5956
5957             case WXK_ESCAPE:
5958                 ClearSelection();
5959                 break;
5960
5961             case WXK_TAB:
5962                 if (event.ShiftDown())
5963                 {
5964                     if ( GetGridCursorCol() > 0 )
5965                     {
5966                         MoveCursorLeft( FALSE );
5967                     }
5968                     else
5969                     {
5970                         // at left of grid
5971                         HideCellEditControl();
5972                         SaveEditControlValue();
5973                     }
5974                 }
5975                 else
5976                 {
5977                     if ( GetGridCursorCol() < GetNumberCols()-1 )
5978                     {
5979                         MoveCursorRight( FALSE );
5980                     }
5981                     else
5982                     {
5983                         // at right of grid
5984                         HideCellEditControl();
5985                         SaveEditControlValue();
5986                     }
5987                 }
5988                 break;
5989
5990             case WXK_HOME:
5991                 if ( event.ControlDown() )
5992                 {
5993                     MakeCellVisible( 0, 0 );
5994                     SetCurrentCell( 0, 0 );
5995                 }
5996                 else
5997                 {
5998                     event.Skip();
5999                 }
6000                 break;
6001
6002             case WXK_END:
6003                 if ( event.ControlDown() )
6004                 {
6005                     MakeCellVisible( m_numRows-1, m_numCols-1 );
6006                     SetCurrentCell( m_numRows-1, m_numCols-1 );
6007                 }
6008                 else
6009                 {
6010                     event.Skip();
6011                 }
6012                 break;
6013
6014             case WXK_PRIOR:
6015                 MovePageUp();
6016                 break;
6017
6018             case WXK_NEXT:
6019                 MovePageDown();
6020                 break;
6021
6022             case WXK_SPACE:
6023                 if ( event.ControlDown() )
6024                 {
6025                     if ( m_selection )
6026                     {
6027                         m_selection->ToggleCellSelection( m_currentCellCoords.GetRow(),
6028                                                           m_currentCellCoords.GetCol(),
6029                                                           event.ControlDown(),
6030                                                           event.ShiftDown(),
6031                                                           event.AltDown(),
6032                                                           event.MetaDown() );
6033                     }
6034                     break;
6035                 }
6036                 if ( !IsEditable() )
6037                 {
6038                     MoveCursorRight( FALSE );
6039                     break;
6040                 }
6041                 // Otherwise fall through to default
6042
6043             default:
6044                 // is it possible to edit the current cell at all?
6045                 if ( !IsCellEditControlEnabled() && CanEnableCellControl() )
6046                 {
6047                     // yes, now check whether the cells editor accepts the key
6048                     int row = m_currentCellCoords.GetRow();
6049                     int col = m_currentCellCoords.GetCol();
6050                     wxGridCellAttr* attr = GetCellAttr(row, col);
6051                     wxGridCellEditor *editor = attr->GetEditor(this, row, col);
6052
6053                     // <F2> is special and will always start editing, for
6054                     // other keys - ask the editor itself
6055                     if ( (event.KeyCode() == WXK_F2 && !event.HasModifiers())
6056                          || editor->IsAcceptedKey(event) )
6057                     {
6058                         EnableCellEditControl();
6059
6060                         // the editor could be not shown for a variety of
6061                         // reasons (i.e. blocked by the app or whatever), so
6062                         // check if it really was created
6063                         if ( m_cellEditCtrlEnabled )
6064                         {
6065                             editor->StartingKey(event);
6066                         }
6067                     }
6068                     else
6069                     {
6070                         event.Skip();
6071                     }
6072
6073                     editor->DecRef();
6074                     attr->DecRef();
6075                 }
6076                 else
6077                 {
6078                     // let others process char events with modifiers or all
6079                     // char events for readonly cells
6080                     event.Skip();
6081                 }
6082                 break;
6083         }
6084     }
6085
6086     m_inOnKeyDown = FALSE;
6087 }
6088
6089 void wxGrid::OnKeyUp( wxKeyEvent& event )
6090 {
6091     // try local handlers
6092     //
6093     if ( event.KeyCode() == WXK_SHIFT )
6094     {
6095         if ( m_selectingTopLeft != wxGridNoCellCoords &&
6096              m_selectingBottomRight != wxGridNoCellCoords )
6097         {
6098             if ( m_selection )
6099             {
6100                 m_selection->SelectBlock( m_selectingTopLeft.GetRow(),
6101                                           m_selectingTopLeft.GetCol(),
6102                                           m_selectingBottomRight.GetRow(),
6103                                           m_selectingBottomRight.GetCol(),
6104                                           event.ControlDown(),
6105                                           TRUE,
6106                                           event.AltDown(),
6107                                           event.MetaDown() );
6108             }
6109         }
6110
6111         m_selectingTopLeft = wxGridNoCellCoords;
6112         m_selectingBottomRight = wxGridNoCellCoords;
6113         m_selectingKeyboard = wxGridNoCellCoords;
6114     }
6115 }
6116
6117 void wxGrid::OnEraseBackground(wxEraseEvent&)
6118 {
6119 }
6120
6121 void wxGrid::SetCurrentCell( const wxGridCellCoords& coords )
6122 {
6123     if ( SendEvent( wxEVT_GRID_SELECT_CELL, coords.GetRow(), coords.GetCol() ) )
6124     {
6125         // the event has been intercepted - do nothing
6126         return;
6127     }
6128
6129     wxClientDC dc(m_gridWin);
6130     PrepareDC(dc);
6131
6132     if ( m_currentCellCoords != wxGridNoCellCoords )
6133     {
6134         HideCellEditControl();
6135         DisableCellEditControl();
6136
6137         if ( IsVisible( m_currentCellCoords, FALSE ) )
6138         {
6139             wxRect r;
6140             r = BlockToDeviceRect(m_currentCellCoords, m_currentCellCoords);
6141             if ( !m_gridLinesEnabled )
6142             {
6143                 r.x--;
6144                 r.y--;
6145                 r.width++;
6146                 r.height++;
6147             }
6148
6149             wxGridCellCoordsArray cells = CalcCellsExposed( r );
6150
6151             // Otherwise refresh redraws the highlight!
6152             m_currentCellCoords = coords;
6153
6154             DrawGridCellArea(dc,cells);
6155             DrawAllGridLines( dc, r );
6156         }
6157     }
6158
6159     m_currentCellCoords = coords;
6160
6161     wxGridCellAttr* attr = GetCellAttr(coords);
6162     DrawCellHighlight(dc, attr);
6163     attr->DecRef();
6164 }
6165
6166
6167 void wxGrid::HighlightBlock( int topRow, int leftCol, int bottomRow, int rightCol )
6168 {
6169     int temp;
6170     wxGridCellCoords updateTopLeft, updateBottomRight;
6171
6172     if ( m_selection )
6173     {
6174         if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectRows )
6175         {
6176             leftCol = 0;
6177             rightCol = GetNumberCols() - 1;
6178         }
6179         else if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectColumns )
6180         {
6181             topRow = 0;
6182             bottomRow = GetNumberRows() - 1;
6183         }
6184     }
6185
6186     if ( topRow > bottomRow )
6187     {
6188         temp = topRow;
6189         topRow = bottomRow;
6190         bottomRow = temp;
6191     }
6192
6193     if ( leftCol > rightCol )
6194     {
6195         temp = leftCol;
6196         leftCol = rightCol;
6197         rightCol = temp;
6198     }
6199
6200     updateTopLeft = wxGridCellCoords( topRow, leftCol );
6201     updateBottomRight = wxGridCellCoords( bottomRow, rightCol );
6202
6203     // First the case that we selected a completely new area
6204     if ( m_selectingTopLeft == wxGridNoCellCoords ||
6205          m_selectingBottomRight == wxGridNoCellCoords )
6206     {
6207         wxRect rect;
6208         rect = BlockToDeviceRect( wxGridCellCoords ( topRow, leftCol ),
6209                                   wxGridCellCoords ( bottomRow, rightCol ) );
6210         m_gridWin->Refresh( FALSE, &rect );
6211     }
6212     // Now handle changing an existing selection area.
6213     else if ( m_selectingTopLeft != updateTopLeft ||
6214               m_selectingBottomRight != updateBottomRight )
6215     {
6216         // Compute two optimal update rectangles:
6217         // Either one rectangle is a real subset of the
6218         // other, or they are (almost) disjoint!
6219         wxRect  rect[4];
6220         bool    need_refresh[4];
6221         need_refresh[0] =
6222         need_refresh[1] =
6223         need_refresh[2] =
6224         need_refresh[3] = FALSE;
6225         int     i;
6226
6227         // Store intermediate values
6228         wxCoord oldLeft   = m_selectingTopLeft.GetCol();
6229         wxCoord oldTop    = m_selectingTopLeft.GetRow();
6230         wxCoord oldRight  = m_selectingBottomRight.GetCol();
6231         wxCoord oldBottom = m_selectingBottomRight.GetRow();
6232
6233         // Determine the outer/inner coordinates.
6234         if (oldLeft > leftCol)
6235         {
6236             temp = oldLeft;
6237             oldLeft = leftCol;
6238             leftCol = temp;
6239         }
6240         if (oldTop > topRow )
6241         {
6242             temp = oldTop;
6243             oldTop = topRow;
6244             topRow = temp;
6245         }
6246         if (oldRight < rightCol )
6247         {
6248             temp = oldRight;
6249             oldRight = rightCol;
6250             rightCol = temp;
6251         }
6252         if (oldBottom < bottomRow)
6253         {
6254             temp = oldBottom;
6255             oldBottom = bottomRow;
6256             bottomRow = temp;
6257         }
6258
6259         // Now, either the stuff marked old is the outer
6260         // rectangle or we don't have a situation where one
6261         // is contained in the other.
6262
6263         if ( oldLeft < leftCol )
6264         {
6265             // Refresh the newly selected or deselected
6266             // area to the left of the old or new selection.
6267             need_refresh[0] = TRUE;
6268             rect[0] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
6269                                                             oldLeft ),
6270                                          wxGridCellCoords ( oldBottom,
6271                                                             leftCol - 1 ) );
6272         }
6273
6274         if ( oldTop  < topRow )
6275         {
6276             // Refresh the newly selected or deselected
6277             // area above the old or new selection.
6278             need_refresh[1] = TRUE;
6279             rect[1] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
6280                                                             leftCol ),
6281                                          wxGridCellCoords ( topRow - 1,
6282                                                             rightCol ) );
6283         }
6284
6285         if ( oldRight > rightCol )
6286         {
6287             // Refresh the newly selected or deselected
6288             // area to the right of the old or new selection.
6289             need_refresh[2] = TRUE;
6290             rect[2] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
6291                                                             rightCol + 1 ),
6292                                          wxGridCellCoords ( oldBottom,
6293                                                             oldRight ) );
6294         }
6295
6296         if ( oldBottom > bottomRow )
6297         {
6298             // Refresh the newly selected or deselected
6299             // area below the old or new selection.
6300             need_refresh[3] = TRUE;
6301             rect[3] = BlockToDeviceRect( wxGridCellCoords ( bottomRow + 1,
6302                                                             leftCol ),
6303                                          wxGridCellCoords ( oldBottom,
6304                                                             rightCol ) );
6305         }
6306
6307         // various Refresh() calls
6308         for (i = 0; i < 4; i++ )
6309             if ( need_refresh[i] && rect[i] != wxGridNoCellRect )
6310                 m_gridWin->Refresh( FALSE, &(rect[i]) );
6311     }
6312     // Change Selection
6313     m_selectingTopLeft = updateTopLeft;
6314     m_selectingBottomRight = updateBottomRight;
6315 }
6316
6317 //
6318 // ------ functions to get/send data (see also public functions)
6319 //
6320
6321 bool wxGrid::GetModelValues()
6322 {
6323     // Hide the editor, so it won't hide a changed value.
6324     HideCellEditControl();
6325
6326     if ( m_table )
6327     {
6328         // all we need to do is repaint the grid
6329         //
6330         m_gridWin->Refresh();
6331         return TRUE;
6332     }
6333
6334     return FALSE;
6335 }
6336
6337
6338 bool wxGrid::SetModelValues()
6339 {
6340     int row, col;
6341
6342     // Disable the editor, so it won't hide a changed value.
6343     // Do we also want to save the current value of the editor first?
6344     // I think so ...
6345     DisableCellEditControl();
6346
6347     if ( m_table )
6348     {
6349         for ( row = 0;  row < m_numRows;  row++ )
6350         {
6351             for ( col = 0;  col < m_numCols;  col++ )
6352             {
6353                 m_table->SetValue( row, col, GetCellValue(row, col) );
6354             }
6355         }
6356
6357         return TRUE;
6358     }
6359
6360     return FALSE;
6361 }
6362
6363
6364
6365 // Note - this function only draws cells that are in the list of
6366 // exposed cells (usually set from the update region by
6367 // CalcExposedCells)
6368 //
6369 void wxGrid::DrawGridCellArea( wxDC& dc, const wxGridCellCoordsArray& cells )
6370 {
6371     if ( !m_numRows || !m_numCols ) return;
6372
6373     int i, j, k, l, numCells = cells.GetCount();
6374     int row, col, cell_rows, cell_cols;
6375     wxGridCellCoordsArray redrawCells;
6376
6377     for ( i = numCells-1; i >= 0;  i-- )
6378     {
6379         row = cells[i].GetRow();
6380         col = cells[i].GetCol();
6381         GetCellSize( row, col, &cell_rows, &cell_cols );
6382
6383         // If this cell is part of a multicell block, find owner for repaint
6384         if ( cell_rows <= 0 || cell_cols <= 0 )
6385         {
6386             wxGridCellCoords cell(row+cell_rows, col+cell_cols);
6387             bool marked = FALSE;
6388             for ( j = 0;  j < numCells;  j++ )
6389             {
6390                 if ( cell == cells[j] )
6391                 {
6392                     marked = TRUE;
6393                     break;
6394                 }
6395             }
6396             if (!marked)
6397             {
6398                 int count = redrawCells.GetCount();
6399                 for (j = 0; j < count; j++)
6400                 {
6401                     if ( cell == redrawCells[j] )
6402                     {
6403                         marked = TRUE;
6404                         break;
6405                     }
6406                 }
6407                 if (!marked) redrawCells.Add( cell );
6408             }
6409             continue; // don't bother drawing this cell
6410         }
6411
6412         // If this cell is empty, find cell to left that might want to overflow
6413         if (m_table && m_table->IsEmptyCell(row, col))
6414         {
6415             for ( l = 0; l < cell_rows; l++ )
6416             {
6417                 for (j = col-1; j >= 0; j--)
6418                 {
6419                     if (!m_table->IsEmptyCell(row+l, j))
6420                     {
6421                         if (GetCellOverflow(row+l, j))
6422                         {
6423                             wxGridCellCoords cell(row+l, j);
6424                             bool marked = FALSE;
6425
6426                             for (k = 0; k < numCells; k++)
6427                             {
6428                                 if ( cell == cells[k] )
6429                                 {
6430                                     marked = TRUE;
6431                                     break;
6432                                 }
6433                             }
6434                             if (!marked)
6435                             {
6436                                 int count = redrawCells.GetCount();
6437                                 for (k = 0; k < count; k++)
6438                                 {
6439                                     if ( cell == redrawCells[k] )
6440                                     {
6441                                         marked = TRUE;
6442                                         break;
6443                                     }
6444                                 }
6445                                 if (!marked) redrawCells.Add( cell );
6446                             }
6447                         }
6448                         break;
6449                     }
6450                 }
6451             }
6452         }
6453         DrawCell( dc, cells[i] );
6454     }
6455
6456     numCells = redrawCells.GetCount();
6457
6458     for ( i = numCells - 1; i >= 0;  i-- )
6459     {
6460         DrawCell( dc, redrawCells[i] );
6461     }
6462 }
6463
6464
6465 void wxGrid::DrawGridSpace( wxDC& dc )
6466 {
6467   int cw, ch;
6468   m_gridWin->GetClientSize( &cw, &ch );
6469
6470   int right, bottom;
6471   CalcUnscrolledPosition( cw, ch, &right, &bottom );
6472
6473   int rightCol = m_numCols > 0 ? GetColRight(m_numCols - 1) : 0;
6474   int bottomRow = m_numRows > 0 ? GetRowBottom(m_numRows - 1) : 0 ;
6475
6476   if ( right > rightCol || bottom > bottomRow )
6477   {
6478       int left, top;
6479       CalcUnscrolledPosition( 0, 0, &left, &top );
6480
6481       dc.SetBrush( wxBrush(GetDefaultCellBackgroundColour(), wxSOLID) );
6482       dc.SetPen( *wxTRANSPARENT_PEN );
6483
6484       if ( right > rightCol )
6485       {
6486           dc.DrawRectangle( rightCol, top, right - rightCol, ch);
6487       }
6488
6489       if ( bottom > bottomRow )
6490       {
6491           dc.DrawRectangle( left, bottomRow, cw, bottom - bottomRow);
6492       }
6493   }
6494 }
6495
6496
6497 void wxGrid::DrawCell( wxDC& dc, const wxGridCellCoords& coords )
6498 {
6499     int row = coords.GetRow();
6500     int col = coords.GetCol();
6501
6502     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
6503         return;
6504
6505     // we draw the cell border ourselves
6506 #if !WXGRID_DRAW_LINES
6507     if ( m_gridLinesEnabled )
6508         DrawCellBorder( dc, coords );
6509 #endif
6510
6511     wxGridCellAttr* attr = GetCellAttr(row, col);
6512
6513     bool isCurrent = coords == m_currentCellCoords;
6514
6515     wxRect rect = CellToRect( row, col );
6516
6517     // if the editor is shown, we should use it and not the renderer
6518     // Note: However, only if it is really _shown_, i.e. not hidden!
6519     if ( isCurrent && IsCellEditControlShown() )
6520     {
6521         wxGridCellEditor *editor = attr->GetEditor(this, row, col);
6522         editor->PaintBackground(rect, attr);
6523         editor->DecRef();
6524     }
6525     else
6526     {
6527         // but all the rest is drawn by the cell renderer and hence may be
6528         // customized
6529         wxGridCellRenderer *renderer = attr->GetRenderer(this, row, col);
6530         renderer->Draw(*this, *attr, dc, rect, row, col, IsInSelection(coords));
6531         renderer->DecRef();
6532     }
6533
6534     attr->DecRef();
6535 }
6536
6537 void wxGrid::DrawCellHighlight( wxDC& dc, const wxGridCellAttr *attr )
6538 {
6539     int row = m_currentCellCoords.GetRow();
6540     int col = m_currentCellCoords.GetCol();
6541
6542     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
6543         return;
6544
6545     wxRect rect = CellToRect(row, col);
6546
6547     // hmmm... what could we do here to show that the cell is disabled?
6548     // for now, I just draw a thinner border than for the other ones, but
6549     // it doesn't look really good
6550
6551     int penWidth = attr->IsReadOnly() ? m_cellHighlightROPenWidth : m_cellHighlightPenWidth;
6552
6553     if (penWidth > 0)
6554     {
6555         // The center of th drawn line is where the position/width/height of
6556         // the rectangle is actually at, (on wxMSW atr least,) so we will
6557         // reduce the size of the rectangle to compensate for the thickness of
6558         // the line.  If this is too strange on non wxMSW platforms then
6559         // please #ifdef this appropriately.
6560         rect.x += penWidth/2;
6561         rect.y += penWidth/2;
6562         rect.width -= penWidth-1;
6563         rect.height -= penWidth-1;
6564
6565
6566         // Now draw the rectangle
6567         dc.SetPen(wxPen(m_cellHighlightColour, penWidth, wxSOLID));
6568         dc.SetBrush(*wxTRANSPARENT_BRUSH);
6569         dc.DrawRectangle(rect);
6570     }
6571
6572 #if 0
6573         // VZ: my experiments with 3d borders...
6574
6575         // how to properly set colours for arbitrary bg?
6576         wxCoord x1 = rect.x,
6577                 y1 = rect.y,
6578                 x2 = rect.x + rect.width -1,
6579                 y2 = rect.y + rect.height -1;
6580
6581         dc.SetPen(*wxWHITE_PEN);
6582         dc.DrawLine(x1, y1, x2, y1);
6583         dc.DrawLine(x1, y1, x1, y2);
6584
6585         dc.DrawLine(x1 + 1, y2 - 1, x2 - 1, y2 - 1);
6586         dc.DrawLine(x2 - 1, y1 + 1, x2 - 1, y2 );
6587
6588         dc.SetPen(*wxBLACK_PEN);
6589         dc.DrawLine(x1, y2, x2, y2);
6590         dc.DrawLine(x2, y1, x2, y2+1);
6591 #endif // 0
6592 }
6593
6594
6595 void wxGrid::DrawCellBorder( wxDC& dc, const wxGridCellCoords& coords )
6596 {
6597     int row = coords.GetRow();
6598     int col = coords.GetCol();
6599     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
6600         return;
6601
6602     dc.SetPen( wxPen(GetGridLineColour(), 1, wxSOLID) );
6603
6604     wxRect rect = CellToRect( row, col );
6605
6606     // right hand border
6607     //
6608     dc.DrawLine( rect.x + rect.width, rect.y,
6609                  rect.x + rect.width, rect.y + rect.height + 1 );
6610
6611     // bottom border
6612     //
6613     dc.DrawLine( rect.x,              rect.y + rect.height,
6614                  rect.x + rect.width, rect.y + rect.height);
6615 }
6616
6617 void wxGrid::DrawHighlight(wxDC& dc,const  wxGridCellCoordsArray& cells)
6618 {
6619     // This if block was previously in wxGrid::OnPaint but that doesn't
6620     // seem to get called under wxGTK - MB
6621     //
6622     if ( m_currentCellCoords == wxGridNoCellCoords  &&
6623          m_numRows && m_numCols )
6624     {
6625         m_currentCellCoords.Set(0, 0);
6626     }
6627
6628     if ( IsCellEditControlShown() )
6629     {
6630         // don't show highlight when the edit control is shown
6631         return;
6632     }
6633
6634     // if the active cell was repainted, repaint its highlight too because it
6635     // might have been damaged by the grid lines
6636     size_t count = cells.GetCount();
6637     for ( size_t n = 0; n < count; n++ )
6638     {
6639         if ( cells[n] == m_currentCellCoords )
6640         {
6641             wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords);
6642             DrawCellHighlight(dc, attr);
6643             attr->DecRef();
6644
6645             break;
6646         }
6647     }
6648 }
6649
6650 // TODO: remove this ???
6651 // This is used to redraw all grid lines e.g. when the grid line colour
6652 // has been changed
6653 //
6654 void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & WXUNUSED(reg) )
6655 {
6656 #if !WXGRID_DRAW_LINES
6657     return;
6658 #endif
6659
6660     if ( !m_gridLinesEnabled ||
6661          !m_numRows ||
6662          !m_numCols ) return;
6663
6664     int top, bottom, left, right;
6665
6666 #if 0  //#ifndef __WXGTK__
6667     if (reg.IsEmpty())
6668     {
6669       int cw, ch;
6670       m_gridWin->GetClientSize(&cw, &ch);
6671
6672       // virtual coords of visible area
6673       //
6674       CalcUnscrolledPosition( 0, 0, &left, &top );
6675       CalcUnscrolledPosition( cw, ch, &right, &bottom );
6676     }
6677     else
6678     {
6679       wxCoord x, y, w, h;
6680       reg.GetBox(x, y, w, h);
6681       CalcUnscrolledPosition( x, y, &left, &top );
6682       CalcUnscrolledPosition( x + w, y + h, &right, &bottom );
6683     }
6684 #else
6685       int cw, ch;
6686       m_gridWin->GetClientSize(&cw, &ch);
6687       CalcUnscrolledPosition( 0, 0, &left, &top );
6688       CalcUnscrolledPosition( cw, ch, &right, &bottom );
6689 #endif
6690
6691     // avoid drawing grid lines past the last row and col
6692     //
6693     right = wxMin( right, GetColRight(m_numCols - 1) );
6694     bottom = wxMin( bottom, GetRowBottom(m_numRows - 1) );
6695
6696     // no gridlines inside multicells, clip them out
6697     int leftCol   = XToCol(left);
6698     int topRow    = YToRow(top);
6699     int rightCol  = XToCol(right);
6700     int bottomRow = YToRow(bottom);
6701     wxRegion clippedcells(0, 0, cw, ch);
6702
6703     if ((leftCol >= 0) && (topRow >= 0))
6704     {
6705         if (rightCol  < 0) rightCol  = m_numCols;
6706         if (bottomRow < 0) bottomRow = m_numRows;
6707
6708         int i, j, cell_rows, cell_cols;
6709         wxRect rect;
6710
6711         for (j=topRow; j<bottomRow; j++)
6712         {
6713             for (i=leftCol; i<rightCol; i++)
6714             {
6715                 GetCellSize( j, i, &cell_rows, &cell_cols );
6716                 if ((cell_rows > 1) || (cell_cols > 1))
6717                 {
6718                     rect = CellToRect(j,i);
6719                     CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
6720                     clippedcells.Subtract(rect);
6721                 }
6722                 else if ((cell_rows < 0) || (cell_cols < 0))
6723                 {
6724                     rect = CellToRect(j+cell_rows, i+cell_cols);
6725                     CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
6726                     clippedcells.Subtract(rect);
6727                 }
6728             }
6729         }
6730     }
6731     dc.SetClippingRegion( clippedcells );
6732
6733     dc.SetPen( wxPen(GetGridLineColour(), 1, wxSOLID) );
6734
6735     // horizontal grid lines
6736     //
6737     int i;
6738     for ( i = internalYToRow(top); i < m_numRows; i++ )
6739     {
6740         int bot = GetRowBottom(i) - 1;
6741
6742         if ( bot > bottom )
6743         {
6744             break;
6745         }
6746
6747         if ( bot >= top )
6748         {
6749             dc.DrawLine( left, bot, right, bot );
6750         }
6751     }
6752
6753
6754     // vertical grid lines
6755     //
6756     for ( i = internalXToCol(left); i < m_numCols; i++ )
6757     {
6758         int colRight = GetColRight(i) - 1;
6759         if ( colRight > right )
6760         {
6761             break;
6762         }
6763
6764         if ( colRight >= left )
6765         {
6766             dc.DrawLine( colRight, top, colRight, bottom );
6767         }
6768     }
6769     dc.DestroyClippingRegion();
6770 }
6771
6772
6773 void wxGrid::DrawRowLabels( wxDC& dc ,const wxArrayInt& rows)
6774 {
6775     if ( !m_numRows ) return;
6776
6777     size_t i;
6778     size_t numLabels = rows.GetCount();
6779
6780     for ( i = 0;  i < numLabels;  i++ )
6781     {
6782         DrawRowLabel( dc, rows[i] );
6783     }
6784 }
6785
6786
6787 void wxGrid::DrawRowLabel( wxDC& dc, int row )
6788 {
6789     if ( GetRowHeight(row) <= 0 )
6790         return;
6791
6792     int rowTop = GetRowTop(row),
6793         rowBottom = GetRowBottom(row) - 1;
6794
6795     dc.SetPen( *wxBLACK_PEN );
6796     dc.DrawLine( m_rowLabelWidth-1, rowTop,
6797                  m_rowLabelWidth-1, rowBottom );
6798
6799     dc.DrawLine( 0, rowBottom, m_rowLabelWidth-1, rowBottom );
6800
6801     dc.SetPen( *wxWHITE_PEN );
6802     dc.DrawLine( 0, rowTop, 0, rowBottom );
6803     dc.DrawLine( 0, rowTop, m_rowLabelWidth-1, rowTop );
6804
6805     dc.SetBackgroundMode( wxTRANSPARENT );
6806     dc.SetTextForeground( GetLabelTextColour() );
6807     dc.SetFont( GetLabelFont() );
6808
6809     int hAlign, vAlign;
6810     GetRowLabelAlignment( &hAlign, &vAlign );
6811
6812     wxRect rect;
6813     rect.SetX( 2 );
6814     rect.SetY( GetRowTop(row) + 2 );
6815     rect.SetWidth( m_rowLabelWidth - 4 );
6816     rect.SetHeight( GetRowHeight(row) - 4 );
6817     DrawTextRectangle( dc, GetRowLabelValue( row ), rect, hAlign, vAlign );
6818 }
6819
6820
6821 void wxGrid::DrawColLabels( wxDC& dc,const wxArrayInt& cols )
6822 {
6823     if ( !m_numCols ) return;
6824
6825     size_t i;
6826     size_t numLabels = cols.GetCount();
6827
6828     for ( i = 0;  i < numLabels;  i++ )
6829     {
6830         DrawColLabel( dc, cols[i] );
6831     }
6832 }
6833
6834
6835 void wxGrid::DrawColLabel( wxDC& dc, int col )
6836 {
6837     if ( GetColWidth(col) <= 0 )
6838         return;
6839
6840     int colLeft = GetColLeft(col),
6841         colRight = GetColRight(col) - 1;
6842
6843     dc.SetPen( *wxBLACK_PEN );
6844     dc.DrawLine( colRight, 0,
6845                  colRight, m_colLabelHeight-1 );
6846
6847     dc.DrawLine( colLeft, m_colLabelHeight-1,
6848                  colRight, m_colLabelHeight-1 );
6849
6850     dc.SetPen( *wxWHITE_PEN );
6851     dc.DrawLine( colLeft, 0, colLeft, m_colLabelHeight-1 );
6852     dc.DrawLine( colLeft, 0, colRight, 0 );
6853
6854     dc.SetBackgroundMode( wxTRANSPARENT );
6855     dc.SetTextForeground( GetLabelTextColour() );
6856     dc.SetFont( GetLabelFont() );
6857
6858     dc.SetBackgroundMode( wxTRANSPARENT );
6859     dc.SetTextForeground( GetLabelTextColour() );
6860     dc.SetFont( GetLabelFont() );
6861
6862     int hAlign, vAlign;
6863     GetColLabelAlignment( &hAlign, &vAlign );
6864
6865     wxRect rect;
6866     rect.SetX( colLeft + 2 );
6867     rect.SetY( 2 );
6868     rect.SetWidth( GetColWidth(col) - 4 );
6869     rect.SetHeight( m_colLabelHeight - 4 );
6870     DrawTextRectangle( dc, GetColLabelValue( col ), rect, hAlign, vAlign );
6871 }
6872
6873 void wxGrid::DrawTextRectangle( wxDC& dc,
6874                                 const wxString& value,
6875                                 const wxRect& rect,
6876                                 int horizAlign,
6877                                 int vertAlign )
6878 {
6879     wxArrayString lines;
6880
6881     StringToLines( value, lines );
6882
6883
6884     //Forward to new API.
6885     DrawTextRectangle(  dc,
6886                         lines,
6887                         rect,
6888                         horizAlign,
6889                         vertAlign );
6890
6891 }
6892
6893 void wxGrid::DrawTextRectangle( wxDC& dc,
6894                                 const wxArrayString& lines,
6895                                 const wxRect& rect,
6896                                 int horizAlign,
6897                                 int vertAlign )
6898 {
6899     long textWidth, textHeight;
6900     long lineWidth, lineHeight;
6901
6902     dc.SetClippingRegion( rect );
6903     if ( lines.GetCount() )
6904     {
6905         GetTextBoxSize( dc, lines, &textWidth, &textHeight );
6906         dc.GetTextExtent( lines[0], &lineWidth, &lineHeight );
6907
6908         float x, y;
6909         switch ( horizAlign )
6910         {
6911             case wxALIGN_RIGHT:
6912                 x = rect.x + (rect.width - textWidth - 1);
6913                 break;
6914
6915             case wxALIGN_CENTRE:
6916                 x = rect.x + ((rect.width - textWidth)/2);
6917                 break;
6918
6919             case wxALIGN_LEFT:
6920             default:
6921                 x = rect.x + 1;
6922                 break;
6923         }
6924
6925         switch ( vertAlign )
6926         {
6927             case wxALIGN_BOTTOM:
6928                 y = rect.y + (rect.height - textHeight - 1);
6929                 break;
6930
6931             case wxALIGN_CENTRE:
6932                 y = rect.y + ((rect.height - textHeight)/2);
6933                 break;
6934
6935             case wxALIGN_TOP:
6936             default:
6937                 y = rect.y + 1;
6938                 break;
6939         }
6940
6941         for ( size_t i = 0;  i < lines.GetCount();  i++ )
6942         {
6943             dc.DrawText( lines[i], (int)x, (int)y );
6944             y += lineHeight;
6945         }
6946     }
6947
6948     dc.DestroyClippingRegion();
6949 }
6950
6951
6952 // Split multi line text up into an array of strings.  Any existing
6953 // contents of the string array are preserved.
6954 //
6955 void wxGrid::StringToLines( const wxString& value, wxArrayString& lines )
6956 {
6957     int startPos = 0;
6958     int pos;
6959     wxString eol = wxTextFile::GetEOL( wxTextFileType_Unix );
6960     wxString tVal = wxTextFile::Translate( value, wxTextFileType_Unix );
6961
6962     while ( startPos < (int)tVal.Length() )
6963     {
6964         pos = tVal.Mid(startPos).Find( eol );
6965         if ( pos < 0 )
6966         {
6967             break;
6968         }
6969         else if ( pos == 0 )
6970         {
6971             lines.Add( wxEmptyString );
6972         }
6973         else
6974         {
6975             lines.Add( value.Mid(startPos, pos) );
6976         }
6977         startPos += pos+1;
6978     }
6979     if ( startPos < (int)value.Length() )
6980     {
6981         lines.Add( value.Mid( startPos ) );
6982     }
6983 }
6984
6985
6986 void wxGrid::GetTextBoxSize( wxDC& dc,
6987                              const wxArrayString& lines,
6988                              long *width, long *height )
6989 {
6990     long w = 0;
6991     long h = 0;
6992     long lineW, lineH;
6993
6994     size_t i;
6995     for ( i = 0;  i < lines.GetCount();  i++ )
6996     {
6997         dc.GetTextExtent( lines[i], &lineW, &lineH );
6998         w = wxMax( w, lineW );
6999         h += lineH;
7000     }
7001
7002     *width = w;
7003     *height = h;
7004 }
7005
7006 //
7007 // ------ Batch processing.
7008 //
7009 void wxGrid::EndBatch()
7010 {
7011     if ( m_batchCount > 0 )
7012     {
7013         m_batchCount--;
7014         if ( !m_batchCount )
7015         {
7016             CalcDimensions();
7017             m_rowLabelWin->Refresh();
7018             m_colLabelWin->Refresh();
7019             m_cornerLabelWin->Refresh();
7020             m_gridWin->Refresh();
7021         }
7022     }
7023 }
7024
7025 // Use this, rather than wxWindow::Refresh(), to force an immediate
7026 // repainting of the grid. Has no effect if you are already inside a
7027 // BeginBatch / EndBatch block.
7028 //
7029 void wxGrid::ForceRefresh()
7030 {
7031     BeginBatch();
7032     EndBatch();
7033 }
7034
7035
7036 //
7037 // ------ Edit control functions
7038 //
7039
7040
7041 void wxGrid::EnableEditing( bool edit )
7042 {
7043     // TODO: improve this ?
7044     //
7045     if ( edit != m_editable )
7046     {
7047         if(!edit) EnableCellEditControl(edit);
7048         m_editable = edit;
7049     }
7050 }
7051
7052
7053 void wxGrid::EnableCellEditControl( bool enable )
7054 {
7055     if (! m_editable)
7056         return;
7057
7058     if ( m_currentCellCoords == wxGridNoCellCoords )
7059         SetCurrentCell( 0, 0 );
7060
7061     if ( enable != m_cellEditCtrlEnabled )
7062     {
7063         if ( enable )
7064         {
7065             if (SendEvent( wxEVT_GRID_EDITOR_SHOWN) <0)
7066                 return;
7067
7068             // this should be checked by the caller!
7069             wxASSERT_MSG( CanEnableCellControl(),
7070                           _T("can't enable editing for this cell!") );
7071
7072             // do it before ShowCellEditControl()
7073             m_cellEditCtrlEnabled = enable;
7074
7075             ShowCellEditControl();
7076         }
7077         else
7078         {
7079             //FIXME:add veto support
7080             SendEvent( wxEVT_GRID_EDITOR_HIDDEN);
7081
7082             HideCellEditControl();
7083             SaveEditControlValue();
7084
7085             // do it after HideCellEditControl()
7086             m_cellEditCtrlEnabled = enable;
7087         }
7088     }
7089 }
7090
7091 bool wxGrid::IsCurrentCellReadOnly() const
7092 {
7093     // const_cast
7094     wxGridCellAttr* attr = ((wxGrid *)this)->GetCellAttr(m_currentCellCoords);
7095     bool readonly = attr->IsReadOnly();
7096     attr->DecRef();
7097
7098     return readonly;
7099 }
7100
7101 bool wxGrid::CanEnableCellControl() const
7102 {
7103     return m_editable && !IsCurrentCellReadOnly();
7104 }
7105
7106 bool wxGrid::IsCellEditControlEnabled() const
7107 {
7108     // the cell edit control might be disable for all cells or just for the
7109     // current one if it's read only
7110     return m_cellEditCtrlEnabled ? !IsCurrentCellReadOnly() : FALSE;
7111 }
7112
7113 bool wxGrid::IsCellEditControlShown() const
7114 {
7115     bool isShown = FALSE;
7116
7117     if ( m_cellEditCtrlEnabled )
7118     {
7119         int row = m_currentCellCoords.GetRow();
7120         int col = m_currentCellCoords.GetCol();
7121         wxGridCellAttr* attr = GetCellAttr(row, col);
7122         wxGridCellEditor* editor = attr->GetEditor((wxGrid*) this, row, col);
7123         attr->DecRef();
7124
7125         if ( editor )
7126         {
7127             if ( editor->IsCreated() )
7128             {
7129                 isShown = editor->GetControl()->IsShown();
7130             }
7131
7132             editor->DecRef();
7133         }
7134     }
7135
7136     return isShown;
7137 }
7138
7139 void wxGrid::ShowCellEditControl()
7140 {
7141     if ( IsCellEditControlEnabled() )
7142     {
7143         if ( !IsVisible( m_currentCellCoords ) )
7144         {
7145             m_cellEditCtrlEnabled = FALSE;
7146             return;
7147         }
7148         else
7149         {
7150             wxRect rect = CellToRect( m_currentCellCoords );
7151             int row = m_currentCellCoords.GetRow();
7152             int col = m_currentCellCoords.GetCol();
7153
7154             // if this is part of a multicell, find owner (topleft)
7155             int cell_rows, cell_cols;
7156             GetCellSize( row, col, &cell_rows, &cell_cols );
7157             if ( cell_rows <= 0 || cell_cols <= 0 )
7158             {
7159                 row += cell_rows;
7160                 col += cell_cols;
7161                 m_currentCellCoords.SetRow( row );
7162                 m_currentCellCoords.SetCol( col );
7163             }
7164
7165             // convert to scrolled coords
7166             //
7167             CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
7168
7169             // done in PaintBackground()
7170 #if 0
7171             // erase the highlight and the cell contents because the editor
7172             // might not cover the entire cell
7173             wxClientDC dc( m_gridWin );
7174             PrepareDC( dc );
7175             dc.SetBrush(*wxLIGHT_GREY_BRUSH); //wxBrush(attr->GetBackgroundColour(), wxSOLID));
7176             dc.SetPen(*wxTRANSPARENT_PEN);
7177             dc.DrawRectangle(rect);
7178 #endif // 0
7179
7180             // cell is shifted by one pixel
7181             // However, don't allow x or y to become negative
7182             // since the SetSize() method interprets that as
7183             // "don't change."
7184             if (rect.x > 0)
7185                 rect.x--;
7186             if (rect.y > 0)
7187                 rect.y--;
7188
7189             wxGridCellAttr* attr = GetCellAttr(row, col);
7190             wxGridCellEditor* editor = attr->GetEditor(this, row, col);
7191             if ( !editor->IsCreated() )
7192             {
7193                 editor->Create(m_gridWin, -1,
7194                                new wxGridCellEditorEvtHandler(this, editor));
7195
7196                 wxGridEditorCreatedEvent evt(GetId(),
7197                                              wxEVT_GRID_EDITOR_CREATED,
7198                                              this,
7199                                              row,
7200                                              col,
7201                                              editor->GetControl());
7202                 GetEventHandler()->ProcessEvent(evt);
7203             }
7204
7205             editor->Show( TRUE, attr );
7206
7207             // resize editor to overflow into righthand cells if allowed
7208             wxString value = GetCellValue(row, col);
7209             if ( (value != wxEmptyString) && (attr->GetOverflow()) )
7210             {
7211                 wxClientDC dc(m_gridWin);
7212                 wxCoord y = 0, best_width = 0;
7213                 dc.SetFont(attr->GetFont());
7214                 dc.GetTextExtent(value, &best_width, &y);
7215
7216                 int cell_rows, cell_cols;
7217                 attr->GetSize( &cell_rows, &cell_cols );
7218
7219                 if ((best_width > rect.width) && (col < m_numCols) && m_table)
7220                 {
7221                     int i;
7222                     for (i = col+cell_cols; i < m_numCols; i++)
7223                     {
7224                         if (m_table->IsEmptyCell(row,i))
7225                         {
7226                             rect.width += GetColWidth(i);
7227                             if (rect.width >= best_width) break;
7228                         }
7229                         else
7230                             break;
7231                     }
7232                 }
7233             }
7234             editor->SetSize( rect );
7235
7236             editor->BeginEdit(row, col, this);
7237
7238             editor->DecRef();
7239             attr->DecRef();
7240          }
7241     }
7242 }
7243
7244
7245 void wxGrid::HideCellEditControl()
7246 {
7247     if ( IsCellEditControlEnabled() )
7248     {
7249         int row = m_currentCellCoords.GetRow();
7250         int col = m_currentCellCoords.GetCol();
7251
7252         wxGridCellAttr* attr = GetCellAttr(row, col);
7253         wxGridCellEditor *editor = attr->GetEditor(this, row, col);
7254         editor->Show( FALSE );
7255         editor->DecRef();
7256         attr->DecRef();
7257         m_gridWin->SetFocus();
7258         // refresh whole row to the right
7259         wxRect rect( CellToRect(row, col) );
7260         CalcScrolledPosition(rect.x, rect.y, &rect.x, &rect.y );
7261         rect.width = m_gridWin->GetClientSize().GetWidth() - rect.x;
7262         m_gridWin->Refresh( FALSE, &rect );
7263     }
7264 }
7265
7266
7267 void wxGrid::SaveEditControlValue()
7268 {
7269     if ( IsCellEditControlEnabled() )
7270     {
7271         int row = m_currentCellCoords.GetRow();
7272         int col = m_currentCellCoords.GetCol();
7273
7274         wxString oldval = GetCellValue(row,col);
7275
7276         wxGridCellAttr* attr = GetCellAttr(row, col);
7277         wxGridCellEditor* editor = attr->GetEditor(this, row, col);
7278         bool changed = editor->EndEdit(row, col, this);
7279
7280         editor->DecRef();
7281         attr->DecRef();
7282
7283         if (changed)
7284         {
7285             if ( SendEvent( wxEVT_GRID_CELL_CHANGE,
7286                        m_currentCellCoords.GetRow(),
7287                        m_currentCellCoords.GetCol() ) < 0 ) {
7288
7289                 // Event has been vetoed, set the data back.
7290                 SetCellValue(row,col,oldval);
7291             }
7292         }
7293     }
7294 }
7295
7296
7297 //
7298 // ------ Grid location functions
7299 //  Note that all of these functions work with the logical coordinates of
7300 //  grid cells and labels so you will need to convert from device
7301 //  coordinates for mouse events etc.
7302 //
7303
7304 void wxGrid::XYToCell( int x, int y, wxGridCellCoords& coords )
7305 {
7306     int row = YToRow(y);
7307     int col = XToCol(x);
7308
7309     if ( row == -1  ||  col == -1 )
7310     {
7311         coords = wxGridNoCellCoords;
7312     }
7313     else
7314     {
7315         coords.Set( row, col );
7316     }
7317 }
7318
7319
7320 // Internal Helper function for computing row or column from some
7321 // (unscrolled) coordinate value, using either
7322 // m_defaultRowHeight/m_defaultColWidth or binary search on array
7323 // of m_rowBottoms/m_ColRights to speed up the search!
7324
7325 static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
7326                            const wxArrayInt& BorderArray, bool maxOnOverflow)
7327 {
7328     if (!defaultDist)
7329         defaultDist = 1;
7330     size_t i_max = coord / defaultDist,
7331            i_min = 0;
7332     if (BorderArray.IsEmpty())
7333     {
7334         return maxOnOverflow ? (int)i_max : -1;
7335     }
7336
7337     if ( i_max >= BorderArray.GetCount())
7338         i_max = BorderArray.GetCount() - 1;
7339     else
7340     {
7341         if ( coord >= BorderArray[i_max])
7342         {
7343             i_min = i_max;
7344             i_max = coord / minDist;
7345         }
7346         if ( i_max >= BorderArray.GetCount())
7347             i_max = BorderArray.GetCount() - 1;
7348     }
7349     if ( coord >= BorderArray[i_max])
7350         return maxOnOverflow ? (int)i_max : -1;
7351     if ( coord < BorderArray[0] )
7352         return 0;
7353
7354     while ( i_max - i_min > 0 )
7355     {
7356         wxCHECK_MSG(BorderArray[i_min] <= coord && coord < BorderArray[i_max],
7357                     0, _T("wxGrid: internal error in CoordToRowOrCol"));
7358         if (coord >=  BorderArray[ i_max - 1])
7359             return i_max;
7360         else
7361             i_max--;
7362         int median = i_min + (i_max - i_min + 1) / 2;
7363         if (coord < BorderArray[median])
7364             i_max = median;
7365         else
7366             i_min = median;
7367     }
7368     return i_max;
7369 }
7370
7371 int wxGrid::YToRow( int y )
7372 {
7373     return CoordToRowOrCol(y, m_defaultRowHeight,
7374                            WXGRID_MIN_ROW_HEIGHT, m_rowBottoms, FALSE);
7375 }
7376
7377
7378 int wxGrid::XToCol( int x )
7379 {
7380     return CoordToRowOrCol(x, m_defaultColWidth,
7381                            WXGRID_MIN_COL_WIDTH, m_colRights, FALSE);
7382 }
7383
7384
7385 // return the row number that that the y coord is near the edge of, or
7386 // -1 if not near an edge
7387 //
7388 int wxGrid::YToEdgeOfRow( int y )
7389 {
7390     int i;
7391     i = internalYToRow(y);
7392
7393     if ( GetRowHeight(i) > WXGRID_LABEL_EDGE_ZONE )
7394     {
7395         // We know that we are in row i, test whether we are
7396         // close enough to lower or upper border, respectively.
7397         if ( abs(GetRowBottom(i) - y) < WXGRID_LABEL_EDGE_ZONE )
7398             return i;
7399         else if( i > 0 && y - GetRowTop(i) < WXGRID_LABEL_EDGE_ZONE )
7400             return i - 1;
7401     }
7402
7403     return -1;
7404 }
7405
7406
7407 // return the col number that that the x coord is near the edge of, or
7408 // -1 if not near an edge
7409 //
7410 int wxGrid::XToEdgeOfCol( int x )
7411 {
7412     int i;
7413     i = internalXToCol(x);
7414
7415     if ( GetColWidth(i) > WXGRID_LABEL_EDGE_ZONE )
7416     {
7417         // We know that we are in column i,  test whether we are
7418         // close enough to right or left border, respectively.
7419         if ( abs(GetColRight(i) - x) < WXGRID_LABEL_EDGE_ZONE )
7420             return i;
7421         else if( i > 0 && x - GetColLeft(i) < WXGRID_LABEL_EDGE_ZONE )
7422             return i - 1;
7423     }
7424
7425     return -1;
7426 }
7427
7428
7429 wxRect wxGrid::CellToRect( int row, int col )
7430 {
7431     wxRect rect( -1, -1, -1, -1 );
7432
7433     if ( row >= 0  &&  row < m_numRows  &&
7434          col >= 0  &&  col < m_numCols )
7435     {
7436         int i, cell_rows, cell_cols;
7437         rect.width = rect.height = 0;
7438         GetCellSize( row, col, &cell_rows, &cell_cols );
7439         // if negative then find multicell owner
7440         if (cell_rows < 0) row += cell_rows;
7441         if (cell_cols < 0) col += cell_cols;
7442         GetCellSize( row, col, &cell_rows, &cell_cols );
7443
7444         rect.x = GetColLeft(col);
7445         rect.y = GetRowTop(row);
7446         for (i=col; i<col+cell_cols; i++)
7447             rect.width  += GetColWidth(i);
7448         for (i=row; i<row+cell_rows; i++)
7449             rect.height += GetRowHeight(i);
7450     }
7451
7452     // if grid lines are enabled, then the area of the cell is a bit smaller
7453     if (m_gridLinesEnabled) {
7454         rect.width -= 1;
7455         rect.height -= 1;
7456     }
7457     return rect;
7458 }
7459
7460
7461 bool wxGrid::IsVisible( int row, int col, bool wholeCellVisible )
7462 {
7463     // get the cell rectangle in logical coords
7464     //
7465     wxRect r( CellToRect( row, col ) );
7466
7467     // convert to device coords
7468     //
7469     int left, top, right, bottom;
7470     CalcScrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
7471     CalcScrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
7472
7473     // check against the client area of the grid window
7474     //
7475     int cw, ch;
7476     m_gridWin->GetClientSize( &cw, &ch );
7477
7478     if ( wholeCellVisible )
7479     {
7480         // is the cell wholly visible ?
7481         //
7482         return ( left >= 0  &&  right <= cw  &&
7483                  top >= 0  &&  bottom <= ch );
7484     }
7485     else
7486     {
7487         // is the cell partly visible ?
7488         //
7489         return ( ((left >=0 && left < cw) || (right > 0 && right <= cw))  &&
7490                  ((top >=0 && top < ch) || (bottom > 0 && bottom <= ch)) );
7491     }
7492 }
7493
7494
7495 // make the specified cell location visible by doing a minimal amount
7496 // of scrolling
7497 //
7498 void wxGrid::MakeCellVisible( int row, int col )
7499 {
7500
7501     int i;
7502     int xpos = -1, ypos = -1;
7503
7504     if ( row >= 0  &&  row < m_numRows  &&
7505          col >= 0  &&  col < m_numCols )
7506     {
7507         // get the cell rectangle in logical coords
7508         //
7509         wxRect r( CellToRect( row, col ) );
7510
7511         // convert to device coords
7512         //
7513         int left, top, right, bottom;
7514         CalcScrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
7515         CalcScrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
7516
7517         int cw, ch;
7518         m_gridWin->GetClientSize( &cw, &ch );
7519
7520         if ( top < 0 )
7521         {
7522             ypos = r.GetTop();
7523         }
7524         else if ( bottom > ch )
7525         {
7526             int h = r.GetHeight();
7527             ypos = r.GetTop();
7528             for ( i = row-1;  i >= 0;  i-- )
7529             {
7530                 int rowHeight = GetRowHeight(i);
7531                 if ( h + rowHeight > ch )
7532                     break;
7533
7534                 h += rowHeight;
7535                 ypos -= rowHeight;
7536             }
7537
7538             // we divide it later by GRID_SCROLL_LINE, make sure that we don't
7539             // have rounding errors (this is important, because if we do, we
7540             // might not scroll at all and some cells won't be redrawn)
7541             //
7542             // Sometimes GRID_SCROLL_LINE/2 is not enough, so just add a full
7543             // scroll unit...
7544             ypos += GRID_SCROLL_LINE_Y;
7545         }
7546
7547         if ( left < 0 )
7548         {
7549             xpos = r.GetLeft();
7550         }
7551         else if ( right > cw )
7552         {
7553             int w = r.GetWidth();
7554             xpos = r.GetLeft();
7555             for ( i = col-1;  i >= 0;  i-- )
7556             {
7557                 int colWidth = GetColWidth(i);
7558                 if ( w + colWidth > cw )
7559                     break;
7560
7561                 w += colWidth;
7562                 xpos -= colWidth;
7563             }
7564
7565             // see comment for ypos above
7566             xpos += GRID_SCROLL_LINE_X;
7567         }
7568
7569         if ( xpos != -1  ||  ypos != -1 )
7570         {
7571             if ( xpos != -1 )
7572                 xpos /= GRID_SCROLL_LINE_X;
7573             if ( ypos != -1 )
7574                 ypos /= GRID_SCROLL_LINE_Y;
7575             Scroll( xpos, ypos );
7576             AdjustScrollbars();
7577         }
7578     }
7579 }
7580
7581
7582 //
7583 // ------ Grid cursor movement functions
7584 //
7585
7586 bool wxGrid::MoveCursorUp( bool expandSelection )
7587 {
7588     if ( m_currentCellCoords != wxGridNoCellCoords  &&
7589          m_currentCellCoords.GetRow() >= 0 )
7590     {
7591         if ( expandSelection)
7592         {
7593             if ( m_selectingKeyboard == wxGridNoCellCoords )
7594                 m_selectingKeyboard = m_currentCellCoords;
7595             if ( m_selectingKeyboard.GetRow() > 0 )
7596             {
7597                 m_selectingKeyboard.SetRow( m_selectingKeyboard.GetRow() - 1 );
7598                 MakeCellVisible( m_selectingKeyboard.GetRow(),
7599                                  m_selectingKeyboard.GetCol() );
7600                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7601             }
7602         }
7603         else if ( m_currentCellCoords.GetRow() > 0 )
7604         {
7605             ClearSelection();
7606             MakeCellVisible( m_currentCellCoords.GetRow() - 1,
7607                              m_currentCellCoords.GetCol() );
7608             SetCurrentCell( m_currentCellCoords.GetRow() - 1,
7609                             m_currentCellCoords.GetCol() );
7610         }
7611         else
7612             return FALSE;
7613         return TRUE;
7614     }
7615
7616     return FALSE;
7617 }
7618
7619
7620 bool wxGrid::MoveCursorDown( bool expandSelection )
7621 {
7622     if ( m_currentCellCoords != wxGridNoCellCoords  &&
7623          m_currentCellCoords.GetRow() < m_numRows )
7624     {
7625         if ( expandSelection )
7626         {
7627             if ( m_selectingKeyboard == wxGridNoCellCoords )
7628                 m_selectingKeyboard = m_currentCellCoords;
7629             if ( m_selectingKeyboard.GetRow() < m_numRows-1 )
7630             {
7631                 m_selectingKeyboard.SetRow( m_selectingKeyboard.GetRow() + 1 );
7632                 MakeCellVisible( m_selectingKeyboard.GetRow(),
7633                         m_selectingKeyboard.GetCol() );
7634                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7635             }
7636         }
7637         else if ( m_currentCellCoords.GetRow() < m_numRows - 1 )
7638         {
7639             ClearSelection();
7640             MakeCellVisible( m_currentCellCoords.GetRow() + 1,
7641                              m_currentCellCoords.GetCol() );
7642             SetCurrentCell( m_currentCellCoords.GetRow() + 1,
7643                             m_currentCellCoords.GetCol() );
7644         }
7645         else
7646             return FALSE;
7647         return TRUE;
7648     }
7649
7650     return FALSE;
7651 }
7652
7653
7654 bool wxGrid::MoveCursorLeft( bool expandSelection )
7655 {
7656     if ( m_currentCellCoords != wxGridNoCellCoords  &&
7657          m_currentCellCoords.GetCol() >= 0 )
7658     {
7659         if ( expandSelection )
7660         {
7661             if ( m_selectingKeyboard == wxGridNoCellCoords )
7662                 m_selectingKeyboard = m_currentCellCoords;
7663             if ( m_selectingKeyboard.GetCol() > 0 )
7664             {
7665                 m_selectingKeyboard.SetCol( m_selectingKeyboard.GetCol() - 1 );
7666                 MakeCellVisible( m_selectingKeyboard.GetRow(),
7667                         m_selectingKeyboard.GetCol() );
7668                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7669             }
7670         }
7671         else if ( m_currentCellCoords.GetCol() > 0 )
7672         {
7673             ClearSelection();
7674             MakeCellVisible( m_currentCellCoords.GetRow(),
7675                              m_currentCellCoords.GetCol() - 1 );
7676             SetCurrentCell( m_currentCellCoords.GetRow(),
7677                             m_currentCellCoords.GetCol() - 1 );
7678         }
7679         else
7680             return FALSE;
7681         return TRUE;
7682     }
7683
7684     return FALSE;
7685 }
7686
7687
7688 bool wxGrid::MoveCursorRight( bool expandSelection )
7689 {
7690     if ( m_currentCellCoords != wxGridNoCellCoords  &&
7691          m_currentCellCoords.GetCol() < m_numCols )
7692     {
7693         if ( expandSelection )
7694         {
7695             if ( m_selectingKeyboard == wxGridNoCellCoords )
7696                 m_selectingKeyboard = m_currentCellCoords;
7697             if ( m_selectingKeyboard.GetCol() < m_numCols - 1 )
7698             {
7699                 m_selectingKeyboard.SetCol( m_selectingKeyboard.GetCol() + 1 );
7700                 MakeCellVisible( m_selectingKeyboard.GetRow(),
7701                         m_selectingKeyboard.GetCol() );
7702                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7703             }
7704         }
7705         else if ( m_currentCellCoords.GetCol() < m_numCols - 1 )
7706         {
7707             ClearSelection();
7708             MakeCellVisible( m_currentCellCoords.GetRow(),
7709                              m_currentCellCoords.GetCol() + 1 );
7710             SetCurrentCell( m_currentCellCoords.GetRow(),
7711                             m_currentCellCoords.GetCol() + 1 );
7712         }
7713         else
7714             return FALSE;
7715         return TRUE;
7716     }
7717
7718     return FALSE;
7719 }
7720
7721
7722 bool wxGrid::MovePageUp()
7723 {
7724     if ( m_currentCellCoords == wxGridNoCellCoords ) return FALSE;
7725
7726     int row = m_currentCellCoords.GetRow();
7727     if ( row > 0 )
7728     {
7729         int cw, ch;
7730         m_gridWin->GetClientSize( &cw, &ch );
7731
7732         int y = GetRowTop(row);
7733         int newRow = YToRow( y - ch + 1 );
7734         if ( newRow == -1 )
7735         {
7736             newRow = 0;
7737         }
7738         else if ( newRow == row )
7739         {
7740             newRow = row - 1;
7741         }
7742
7743         MakeCellVisible( newRow, m_currentCellCoords.GetCol() );
7744         SetCurrentCell( newRow, m_currentCellCoords.GetCol() );
7745
7746         return TRUE;
7747     }
7748
7749     return FALSE;
7750 }
7751
7752 bool wxGrid::MovePageDown()
7753 {
7754     if ( m_currentCellCoords == wxGridNoCellCoords ) return FALSE;
7755
7756     int row = m_currentCellCoords.GetRow();
7757     if ( row < m_numRows )
7758     {
7759         int cw, ch;
7760         m_gridWin->GetClientSize( &cw, &ch );
7761
7762         int y = GetRowTop(row);
7763         int newRow = YToRow( y + ch );
7764         if ( newRow == -1 )
7765         {
7766             newRow = m_numRows - 1;
7767         }
7768         else if ( newRow == row )
7769         {
7770             newRow = row + 1;
7771         }
7772
7773         MakeCellVisible( newRow, m_currentCellCoords.GetCol() );
7774         SetCurrentCell( newRow, m_currentCellCoords.GetCol() );
7775
7776         return TRUE;
7777     }
7778
7779     return FALSE;
7780 }
7781
7782 bool wxGrid::MoveCursorUpBlock( bool expandSelection )
7783 {
7784     if ( m_table &&
7785          m_currentCellCoords != wxGridNoCellCoords  &&
7786          m_currentCellCoords.GetRow() > 0 )
7787     {
7788         int row = m_currentCellCoords.GetRow();
7789         int col = m_currentCellCoords.GetCol();
7790
7791         if ( m_table->IsEmptyCell(row, col) )
7792         {
7793             // starting in an empty cell: find the next block of
7794             // non-empty cells
7795             //
7796             while ( row > 0 )
7797             {
7798                 row-- ;
7799                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7800             }
7801         }
7802         else if ( m_table->IsEmptyCell(row-1, col) )
7803         {
7804             // starting at the top of a block: find the next block
7805             //
7806             row--;
7807             while ( row > 0 )
7808             {
7809                 row-- ;
7810                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7811             }
7812         }
7813         else
7814         {
7815             // starting within a block: find the top of the block
7816             //
7817             while ( row > 0 )
7818             {
7819                 row-- ;
7820                 if ( m_table->IsEmptyCell(row, col) )
7821                 {
7822                     row++ ;
7823                     break;
7824                 }
7825             }
7826         }
7827
7828         MakeCellVisible( row, col );
7829         if ( expandSelection )
7830         {
7831             m_selectingKeyboard = wxGridCellCoords( row, col );
7832             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7833         }
7834         else
7835         {
7836             ClearSelection();
7837             SetCurrentCell( row, col );
7838         }
7839         return TRUE;
7840     }
7841
7842     return FALSE;
7843 }
7844
7845 bool wxGrid::MoveCursorDownBlock( bool expandSelection )
7846 {
7847     if ( m_table &&
7848          m_currentCellCoords != wxGridNoCellCoords  &&
7849          m_currentCellCoords.GetRow() < m_numRows-1 )
7850     {
7851         int row = m_currentCellCoords.GetRow();
7852         int col = m_currentCellCoords.GetCol();
7853
7854         if ( m_table->IsEmptyCell(row, col) )
7855         {
7856             // starting in an empty cell: find the next block of
7857             // non-empty cells
7858             //
7859             while ( row < m_numRows-1 )
7860             {
7861                 row++ ;
7862                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7863             }
7864         }
7865         else if ( m_table->IsEmptyCell(row+1, col) )
7866         {
7867             // starting at the bottom of a block: find the next block
7868             //
7869             row++;
7870             while ( row < m_numRows-1 )
7871             {
7872                 row++ ;
7873                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7874             }
7875         }
7876         else
7877         {
7878             // starting within a block: find the bottom of the block
7879             //
7880             while ( row < m_numRows-1 )
7881             {
7882                 row++ ;
7883                 if ( m_table->IsEmptyCell(row, col) )
7884                 {
7885                     row-- ;
7886                     break;
7887                 }
7888             }
7889         }
7890
7891         MakeCellVisible( row, col );
7892         if ( expandSelection )
7893         {
7894             m_selectingKeyboard = wxGridCellCoords( row, col );
7895             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7896         }
7897         else
7898         {
7899             ClearSelection();
7900             SetCurrentCell( row, col );
7901         }
7902
7903         return TRUE;
7904     }
7905
7906     return FALSE;
7907 }
7908
7909 bool wxGrid::MoveCursorLeftBlock( bool expandSelection )
7910 {
7911     if ( m_table &&
7912          m_currentCellCoords != wxGridNoCellCoords  &&
7913          m_currentCellCoords.GetCol() > 0 )
7914     {
7915         int row = m_currentCellCoords.GetRow();
7916         int col = m_currentCellCoords.GetCol();
7917
7918         if ( m_table->IsEmptyCell(row, col) )
7919         {
7920             // starting in an empty cell: find the next block of
7921             // non-empty cells
7922             //
7923             while ( col > 0 )
7924             {
7925                 col-- ;
7926                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7927             }
7928         }
7929         else if ( m_table->IsEmptyCell(row, col-1) )
7930         {
7931             // starting at the left of a block: find the next block
7932             //
7933             col--;
7934             while ( col > 0 )
7935             {
7936                 col-- ;
7937                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7938             }
7939         }
7940         else
7941         {
7942             // starting within a block: find the left of the block
7943             //
7944             while ( col > 0 )
7945             {
7946                 col-- ;
7947                 if ( m_table->IsEmptyCell(row, col) )
7948                 {
7949                     col++ ;
7950                     break;
7951                 }
7952             }
7953         }
7954
7955         MakeCellVisible( row, col );
7956         if ( expandSelection )
7957         {
7958             m_selectingKeyboard = wxGridCellCoords( row, col );
7959             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7960         }
7961         else
7962         {
7963             ClearSelection();
7964             SetCurrentCell( row, col );
7965         }
7966
7967         return TRUE;
7968     }
7969
7970     return FALSE;
7971 }
7972
7973 bool wxGrid::MoveCursorRightBlock( bool expandSelection )
7974 {
7975     if ( m_table &&
7976          m_currentCellCoords != wxGridNoCellCoords  &&
7977          m_currentCellCoords.GetCol() < m_numCols-1 )
7978     {
7979         int row = m_currentCellCoords.GetRow();
7980         int col = m_currentCellCoords.GetCol();
7981
7982         if ( m_table->IsEmptyCell(row, col) )
7983         {
7984             // starting in an empty cell: find the next block of
7985             // non-empty cells
7986             //
7987             while ( col < m_numCols-1 )
7988             {
7989                 col++ ;
7990                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7991             }
7992         }
7993         else if ( m_table->IsEmptyCell(row, col+1) )
7994         {
7995             // starting at the right of a block: find the next block
7996             //
7997             col++;
7998             while ( col < m_numCols-1 )
7999             {
8000                 col++ ;
8001                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
8002             }
8003         }
8004         else
8005         {
8006             // starting within a block: find the right of the block
8007             //
8008             while ( col < m_numCols-1 )
8009             {
8010                 col++ ;
8011                 if ( m_table->IsEmptyCell(row, col) )
8012                 {
8013                     col-- ;
8014                     break;
8015                 }
8016             }
8017         }
8018
8019         MakeCellVisible( row, col );
8020         if ( expandSelection )
8021         {
8022             m_selectingKeyboard = wxGridCellCoords( row, col );
8023             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
8024         }
8025         else
8026         {
8027             ClearSelection();
8028             SetCurrentCell( row, col );
8029         }
8030
8031         return TRUE;
8032     }
8033
8034     return FALSE;
8035 }
8036
8037
8038
8039 //
8040 // ------ Label values and formatting
8041 //
8042
8043 void wxGrid::GetRowLabelAlignment( int *horiz, int *vert )
8044 {
8045     *horiz = m_rowLabelHorizAlign;
8046     *vert  = m_rowLabelVertAlign;
8047 }
8048
8049 void wxGrid::GetColLabelAlignment( int *horiz, int *vert )
8050 {
8051     *horiz = m_colLabelHorizAlign;
8052     *vert  = m_colLabelVertAlign;
8053 }
8054
8055 wxString wxGrid::GetRowLabelValue( int row )
8056 {
8057     if ( m_table )
8058     {
8059         return m_table->GetRowLabelValue( row );
8060     }
8061     else
8062     {
8063         wxString s;
8064         s << row;
8065         return s;
8066     }
8067 }
8068
8069 wxString wxGrid::GetColLabelValue( int col )
8070 {
8071     if ( m_table )
8072     {
8073         return m_table->GetColLabelValue( col );
8074     }
8075     else
8076     {
8077         wxString s;
8078         s << col;
8079         return s;
8080     }
8081 }
8082
8083
8084 void wxGrid::SetRowLabelSize( int width )
8085 {
8086     width = wxMax( width, 0 );
8087     if ( width != m_rowLabelWidth )
8088     {
8089         if ( width == 0 )
8090         {
8091             m_rowLabelWin->Show( FALSE );
8092             m_cornerLabelWin->Show( FALSE );
8093         }
8094         else if ( m_rowLabelWidth == 0 )
8095         {
8096             m_rowLabelWin->Show( TRUE );
8097             if ( m_colLabelHeight > 0 ) m_cornerLabelWin->Show( TRUE );
8098         }
8099
8100         m_rowLabelWidth = width;
8101         CalcWindowSizes();
8102         wxScrolledWindow::Refresh( TRUE );
8103     }
8104 }
8105
8106
8107 void wxGrid::SetColLabelSize( int height )
8108 {
8109     height = wxMax( height, 0 );
8110     if ( height != m_colLabelHeight )
8111     {
8112         if ( height == 0 )
8113         {
8114             m_colLabelWin->Show( FALSE );
8115             m_cornerLabelWin->Show( FALSE );
8116         }
8117         else if ( m_colLabelHeight == 0 )
8118         {
8119             m_colLabelWin->Show( TRUE );
8120             if ( m_rowLabelWidth > 0 ) m_cornerLabelWin->Show( TRUE );
8121         }
8122
8123         m_colLabelHeight = height;
8124         CalcWindowSizes();
8125         wxScrolledWindow::Refresh( TRUE );
8126     }
8127 }
8128
8129
8130 void wxGrid::SetLabelBackgroundColour( const wxColour& colour )
8131 {
8132     if ( m_labelBackgroundColour != colour )
8133     {
8134         m_labelBackgroundColour = colour;
8135         m_rowLabelWin->SetBackgroundColour( colour );
8136         m_colLabelWin->SetBackgroundColour( colour );
8137         m_cornerLabelWin->SetBackgroundColour( colour );
8138
8139         if ( !GetBatchCount() )
8140         {
8141             m_rowLabelWin->Refresh();
8142             m_colLabelWin->Refresh();
8143             m_cornerLabelWin->Refresh();
8144         }
8145     }
8146 }
8147
8148 void wxGrid::SetLabelTextColour( const wxColour& colour )
8149 {
8150     if ( m_labelTextColour != colour )
8151     {
8152         m_labelTextColour = colour;
8153         if ( !GetBatchCount() )
8154         {
8155             m_rowLabelWin->Refresh();
8156             m_colLabelWin->Refresh();
8157         }
8158     }
8159 }
8160
8161 void wxGrid::SetLabelFont( const wxFont& font )
8162 {
8163     m_labelFont = font;
8164     if ( !GetBatchCount() )
8165     {
8166         m_rowLabelWin->Refresh();
8167         m_colLabelWin->Refresh();
8168     }
8169 }
8170
8171 void wxGrid::SetRowLabelAlignment( int horiz, int vert )
8172 {
8173     // allow old (incorrect) defs to be used
8174     switch ( horiz )
8175     {
8176         case wxLEFT:   horiz = wxALIGN_LEFT; break;
8177         case wxRIGHT:  horiz = wxALIGN_RIGHT; break;
8178         case wxCENTRE: horiz = wxALIGN_CENTRE; break;
8179     }
8180
8181     switch ( vert )
8182     {
8183         case wxTOP:    vert = wxALIGN_TOP;    break;
8184         case wxBOTTOM: vert = wxALIGN_BOTTOM; break;
8185         case wxCENTRE: vert = wxALIGN_CENTRE; break;
8186     }
8187
8188     if ( horiz == wxALIGN_LEFT || horiz == wxALIGN_CENTRE || horiz == wxALIGN_RIGHT )
8189     {
8190         m_rowLabelHorizAlign = horiz;
8191     }
8192
8193     if ( vert == wxALIGN_TOP || vert == wxALIGN_CENTRE || vert == wxALIGN_BOTTOM )
8194     {
8195         m_rowLabelVertAlign = vert;
8196     }
8197
8198     if ( !GetBatchCount() )
8199     {
8200         m_rowLabelWin->Refresh();
8201     }
8202 }
8203
8204 void wxGrid::SetColLabelAlignment( int horiz, int vert )
8205 {
8206     // allow old (incorrect) defs to be used
8207     switch ( horiz )
8208     {
8209         case wxLEFT:   horiz = wxALIGN_LEFT; break;
8210         case wxRIGHT:  horiz = wxALIGN_RIGHT; break;
8211         case wxCENTRE: horiz = wxALIGN_CENTRE; break;
8212     }
8213
8214     switch ( vert )
8215     {
8216         case wxTOP:    vert = wxALIGN_TOP;    break;
8217         case wxBOTTOM: vert = wxALIGN_BOTTOM; break;
8218         case wxCENTRE: vert = wxALIGN_CENTRE; break;
8219     }
8220
8221     if ( horiz == wxALIGN_LEFT || horiz == wxALIGN_CENTRE || horiz == wxALIGN_RIGHT )
8222     {
8223         m_colLabelHorizAlign = horiz;
8224     }
8225
8226     if ( vert == wxALIGN_TOP || vert == wxALIGN_CENTRE || vert == wxALIGN_BOTTOM )
8227     {
8228         m_colLabelVertAlign = vert;
8229     }
8230
8231     if ( !GetBatchCount() )
8232     {
8233         m_colLabelWin->Refresh();
8234     }
8235 }
8236
8237 void wxGrid::SetRowLabelValue( int row, const wxString& s )
8238 {
8239     if ( m_table )
8240     {
8241         m_table->SetRowLabelValue( row, s );
8242         if ( !GetBatchCount() )
8243         {
8244             wxRect rect = CellToRect( row, 0);
8245             if ( rect.height > 0 )
8246             {
8247                 CalcScrolledPosition(0, rect.y, &rect.x, &rect.y);
8248                 rect.x = 0;
8249                 rect.width = m_rowLabelWidth;
8250                 m_rowLabelWin->Refresh( TRUE, &rect );
8251             }
8252         }
8253     }
8254 }
8255
8256 void wxGrid::SetColLabelValue( int col, const wxString& s )
8257 {
8258     if ( m_table )
8259     {
8260         m_table->SetColLabelValue( col, s );
8261         if ( !GetBatchCount() )
8262         {
8263             wxRect rect = CellToRect( 0, col );
8264             if ( rect.width > 0 )
8265             {
8266                 CalcScrolledPosition(rect.x, 0, &rect.x, &rect.y);
8267                 rect.y = 0;
8268                 rect.height = m_colLabelHeight;
8269                 m_colLabelWin->Refresh( TRUE, &rect );
8270             }
8271         }
8272     }
8273 }
8274
8275 void wxGrid::SetGridLineColour( const wxColour& colour )
8276 {
8277     if ( m_gridLineColour != colour )
8278     {
8279         m_gridLineColour = colour;
8280
8281         wxClientDC dc( m_gridWin );
8282         PrepareDC( dc );
8283         DrawAllGridLines( dc, wxRegion() );
8284     }
8285 }
8286
8287
8288 void wxGrid::SetCellHighlightColour( const wxColour& colour )
8289 {
8290     if ( m_cellHighlightColour != colour )
8291     {
8292         m_cellHighlightColour = colour;
8293
8294         wxClientDC dc( m_gridWin );
8295         PrepareDC( dc );
8296         wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords);
8297         DrawCellHighlight(dc, attr);
8298         attr->DecRef();
8299     }
8300 }
8301
8302 void wxGrid::SetCellHighlightPenWidth(int width)
8303 {
8304     if (m_cellHighlightPenWidth != width) {
8305         m_cellHighlightPenWidth = width;
8306
8307         // Just redrawing the cell highlight is not enough since that won't
8308         // make any visible change if the the thickness is getting smaller.
8309         int row = m_currentCellCoords.GetRow();
8310         int col = m_currentCellCoords.GetCol();
8311         if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
8312             return;
8313         wxRect rect = CellToRect(row, col);
8314         m_gridWin->Refresh(TRUE, &rect);
8315     }
8316 }
8317
8318 void wxGrid::SetCellHighlightROPenWidth(int width)
8319 {
8320     if (m_cellHighlightROPenWidth != width) {
8321         m_cellHighlightROPenWidth = width;
8322
8323         // Just redrawing the cell highlight is not enough since that won't
8324         // make any visible change if the the thickness is getting smaller.
8325         int row = m_currentCellCoords.GetRow();
8326         int col = m_currentCellCoords.GetCol();
8327         if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
8328             return;
8329         wxRect rect = CellToRect(row, col);
8330         m_gridWin->Refresh(TRUE, &rect);
8331     }
8332 }
8333
8334 void wxGrid::EnableGridLines( bool enable )
8335 {
8336     if ( enable != m_gridLinesEnabled )
8337     {
8338         m_gridLinesEnabled = enable;
8339
8340         if ( !GetBatchCount() )
8341         {
8342             if ( enable )
8343             {
8344                 wxClientDC dc( m_gridWin );
8345                 PrepareDC( dc );
8346                 DrawAllGridLines( dc, wxRegion() );
8347             }
8348             else
8349             {
8350                 m_gridWin->Refresh();
8351             }
8352         }
8353     }
8354 }
8355
8356
8357 int wxGrid::GetDefaultRowSize()
8358 {
8359     return m_defaultRowHeight;
8360 }
8361
8362 int wxGrid::GetRowSize( int row )
8363 {
8364     wxCHECK_MSG( row >= 0 && row < m_numRows, 0, _T("invalid row index") );
8365
8366     return GetRowHeight(row);
8367 }
8368
8369 int wxGrid::GetDefaultColSize()
8370 {
8371     return m_defaultColWidth;
8372 }
8373
8374 int wxGrid::GetColSize( int col )
8375 {
8376     wxCHECK_MSG( col >= 0 && col < m_numCols, 0, _T("invalid column index") );
8377
8378     return GetColWidth(col);
8379 }
8380
8381 // ============================================================================
8382 // access to the grid attributes: each of them has a default value in the grid
8383 // itself and may be overidden on a per-cell basis
8384 // ============================================================================
8385
8386 // ----------------------------------------------------------------------------
8387 // setting default attributes
8388 // ----------------------------------------------------------------------------
8389
8390 void wxGrid::SetDefaultCellBackgroundColour( const wxColour& col )
8391 {
8392     m_defaultCellAttr->SetBackgroundColour(col);
8393 #ifdef __WXGTK__
8394     m_gridWin->SetBackgroundColour(col);
8395 #endif
8396 }
8397
8398 void wxGrid::SetDefaultCellTextColour( const wxColour& col )
8399 {
8400     m_defaultCellAttr->SetTextColour(col);
8401 }
8402
8403 void wxGrid::SetDefaultCellAlignment( int horiz, int vert )
8404 {
8405     m_defaultCellAttr->SetAlignment(horiz, vert);
8406 }
8407
8408 void wxGrid::SetDefaultCellOverflow( bool allow )
8409 {
8410     m_defaultCellAttr->SetOverflow(allow);
8411 }
8412
8413 void wxGrid::SetDefaultCellFont( const wxFont& font )
8414 {
8415     m_defaultCellAttr->SetFont(font);
8416 }
8417
8418 void wxGrid::SetDefaultRenderer(wxGridCellRenderer *renderer)
8419 {
8420     m_defaultCellAttr->SetRenderer(renderer);
8421 }
8422
8423 void wxGrid::SetDefaultEditor(wxGridCellEditor *editor)
8424 {
8425     m_defaultCellAttr->SetEditor(editor);
8426 }
8427
8428 // ----------------------------------------------------------------------------
8429 // access to the default attrbiutes
8430 // ----------------------------------------------------------------------------
8431
8432 wxColour wxGrid::GetDefaultCellBackgroundColour()
8433 {
8434     return m_defaultCellAttr->GetBackgroundColour();
8435 }
8436
8437 wxColour wxGrid::GetDefaultCellTextColour()
8438 {
8439     return m_defaultCellAttr->GetTextColour();
8440 }
8441
8442 wxFont wxGrid::GetDefaultCellFont()
8443 {
8444     return m_defaultCellAttr->GetFont();
8445 }
8446
8447 void wxGrid::GetDefaultCellAlignment( int *horiz, int *vert )
8448 {
8449     m_defaultCellAttr->GetAlignment(horiz, vert);
8450 }
8451
8452 bool wxGrid::GetDefaultCellOverflow()
8453 {
8454     return m_defaultCellAttr->GetOverflow();
8455 }
8456
8457 wxGridCellRenderer *wxGrid::GetDefaultRenderer() const
8458 {
8459     return m_defaultCellAttr->GetRenderer(NULL, 0, 0);
8460 }
8461
8462 wxGridCellEditor *wxGrid::GetDefaultEditor() const
8463 {
8464     return m_defaultCellAttr->GetEditor(NULL,0,0);
8465 }
8466
8467 // ----------------------------------------------------------------------------
8468 // access to cell attributes
8469 // ----------------------------------------------------------------------------
8470
8471 wxColour wxGrid::GetCellBackgroundColour(int row, int col)
8472 {
8473     wxGridCellAttr *attr = GetCellAttr(row, col);
8474     wxColour colour = attr->GetBackgroundColour();
8475     attr->DecRef();
8476     return colour;
8477 }
8478
8479 wxColour wxGrid::GetCellTextColour( int row, int col )
8480 {
8481     wxGridCellAttr *attr = GetCellAttr(row, col);
8482     wxColour colour = attr->GetTextColour();
8483     attr->DecRef();
8484     return colour;
8485 }
8486
8487 wxFont wxGrid::GetCellFont( int row, int col )
8488 {
8489     wxGridCellAttr *attr = GetCellAttr(row, col);
8490     wxFont font = attr->GetFont();
8491     attr->DecRef();
8492     return font;
8493 }
8494
8495 void wxGrid::GetCellAlignment( int row, int col, int *horiz, int *vert )
8496 {
8497     wxGridCellAttr *attr = GetCellAttr(row, col);
8498     attr->GetAlignment(horiz, vert);
8499     attr->DecRef();
8500 }
8501
8502 bool wxGrid::GetCellOverflow( int row, int col )
8503 {
8504     wxGridCellAttr *attr = GetCellAttr(row, col);
8505     bool allow = attr->GetOverflow();
8506     attr->DecRef();
8507     return allow;
8508 }
8509
8510 void wxGrid::GetCellSize( int row, int col, int *num_rows, int *num_cols )
8511 {
8512     wxGridCellAttr *attr = GetCellAttr(row, col);
8513     attr->GetSize( num_rows, num_cols );
8514     attr->DecRef();
8515 }
8516
8517 wxGridCellRenderer* wxGrid::GetCellRenderer(int row, int col)
8518 {
8519     wxGridCellAttr* attr = GetCellAttr(row, col);
8520     wxGridCellRenderer* renderer = attr->GetRenderer(this, row, col);
8521     attr->DecRef();
8522
8523     return renderer;
8524 }
8525
8526 wxGridCellEditor* wxGrid::GetCellEditor(int row, int col)
8527 {
8528     wxGridCellAttr* attr = GetCellAttr(row, col);
8529     wxGridCellEditor* editor = attr->GetEditor(this, row, col);
8530     attr->DecRef();
8531
8532     return editor;
8533 }
8534
8535 bool wxGrid::IsReadOnly(int row, int col) const
8536 {
8537     wxGridCellAttr* attr = GetCellAttr(row, col);
8538     bool isReadOnly = attr->IsReadOnly();
8539     attr->DecRef();
8540     return isReadOnly;
8541 }
8542
8543 // ----------------------------------------------------------------------------
8544 // attribute support: cache, automatic provider creation, ...
8545 // ----------------------------------------------------------------------------
8546
8547 bool wxGrid::CanHaveAttributes()
8548 {
8549     if ( !m_table )
8550     {
8551         return FALSE;
8552     }
8553
8554     return m_table->CanHaveAttributes();
8555 }
8556
8557 void wxGrid::ClearAttrCache()
8558 {
8559     if ( m_attrCache.row != -1 )
8560     {
8561         wxSafeDecRef(m_attrCache.attr);
8562         m_attrCache.attr = NULL;
8563         m_attrCache.row = -1;
8564     }
8565 }
8566
8567 void wxGrid::CacheAttr(int row, int col, wxGridCellAttr *attr) const
8568 {
8569     wxGrid *self = (wxGrid *)this;  // const_cast
8570
8571     self->ClearAttrCache();
8572     self->m_attrCache.row = row;
8573     self->m_attrCache.col = col;
8574     self->m_attrCache.attr = attr;
8575     wxSafeIncRef(attr);
8576 }
8577
8578 bool wxGrid::LookupAttr(int row, int col, wxGridCellAttr **attr) const
8579 {
8580     if ( row == m_attrCache.row && col == m_attrCache.col )
8581     {
8582         *attr = m_attrCache.attr;
8583         wxSafeIncRef(m_attrCache.attr);
8584
8585 #ifdef DEBUG_ATTR_CACHE
8586         gs_nAttrCacheHits++;
8587 #endif
8588
8589         return TRUE;
8590     }
8591     else
8592     {
8593 #ifdef DEBUG_ATTR_CACHE
8594         gs_nAttrCacheMisses++;
8595 #endif
8596         return FALSE;
8597     }
8598 }
8599
8600 wxGridCellAttr *wxGrid::GetCellAttr(int row, int col) const
8601 {
8602     wxGridCellAttr *attr = NULL;
8603     // Additional test to avoid looking at the cache e.g. for
8604     // wxNoCellCoords, as this will confuse memory management.
8605     if ( row >= 0 )
8606     {
8607         if ( !LookupAttr(row, col, &attr) )
8608         {
8609             attr = m_table ? m_table->GetAttr(row, col , wxGridCellAttr::Any)
8610                            : (wxGridCellAttr *)NULL;
8611             CacheAttr(row, col, attr);
8612         }
8613     }
8614     if (attr)
8615     {
8616         attr->SetDefAttr(m_defaultCellAttr);
8617     }
8618     else
8619     {
8620         attr = m_defaultCellAttr;
8621         attr->IncRef();
8622     }
8623
8624     return attr;
8625 }
8626
8627 wxGridCellAttr *wxGrid::GetOrCreateCellAttr(int row, int col) const
8628 {
8629     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
8630
8631     wxCHECK_MSG( m_table, attr,
8632                   _T("we may only be called if CanHaveAttributes() returned TRUE and then m_table should be !NULL") );
8633
8634     attr = m_table->GetAttr(row, col, wxGridCellAttr::Cell);
8635     if ( !attr )
8636     {
8637         attr = new wxGridCellAttr(m_defaultCellAttr);
8638
8639         // artificially inc the ref count to match DecRef() in caller
8640         attr->IncRef();
8641         m_table->SetAttr(attr, row, col);
8642     }
8643
8644     return attr;
8645 }
8646
8647 // ----------------------------------------------------------------------------
8648 // setting column attributes (wrappers around SetColAttr)
8649 // ----------------------------------------------------------------------------
8650
8651 void wxGrid::SetColFormatBool(int col)
8652 {
8653     SetColFormatCustom(col, wxGRID_VALUE_BOOL);
8654 }
8655
8656 void wxGrid::SetColFormatNumber(int col)
8657 {
8658     SetColFormatCustom(col, wxGRID_VALUE_NUMBER);
8659 }
8660
8661 void wxGrid::SetColFormatFloat(int col, int width, int precision)
8662 {
8663     wxString typeName = wxGRID_VALUE_FLOAT;
8664     if ( (width != -1) || (precision != -1) )
8665     {
8666         typeName << _T(':') << width << _T(',') << precision;
8667     }
8668
8669     SetColFormatCustom(col, typeName);
8670 }
8671
8672 void wxGrid::SetColFormatCustom(int col, const wxString& typeName)
8673 {
8674     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
8675
8676     attr = m_table->GetAttr(-1, col, wxGridCellAttr::Col );
8677     if(!attr)
8678         attr = new wxGridCellAttr;
8679     wxGridCellRenderer *renderer = GetDefaultRendererForType(typeName);
8680     attr->SetRenderer(renderer);
8681
8682     SetColAttr(col, attr);
8683
8684 }
8685
8686 // ----------------------------------------------------------------------------
8687 // setting cell attributes: this is forwarded to the table
8688 // ----------------------------------------------------------------------------
8689
8690 void wxGrid::SetAttr(int row, int col, wxGridCellAttr *attr)
8691 {
8692     if ( CanHaveAttributes() )
8693     {
8694         m_table->SetAttr(attr, row, col);
8695         ClearAttrCache();
8696     }
8697     else
8698     {
8699         wxSafeDecRef(attr);
8700     }
8701 }
8702
8703 void wxGrid::SetRowAttr(int row, wxGridCellAttr *attr)
8704 {
8705     if ( CanHaveAttributes() )
8706     {
8707         m_table->SetRowAttr(attr, row);
8708         ClearAttrCache();
8709     }
8710     else
8711     {
8712         wxSafeDecRef(attr);
8713     }
8714 }
8715
8716 void wxGrid::SetColAttr(int col, wxGridCellAttr *attr)
8717 {
8718     if ( CanHaveAttributes() )
8719     {
8720         m_table->SetColAttr(attr, col);
8721         ClearAttrCache();
8722     }
8723     else
8724     {
8725         wxSafeDecRef(attr);
8726     }
8727 }
8728
8729 void wxGrid::SetCellBackgroundColour( int row, int col, const wxColour& colour )
8730 {
8731     if ( CanHaveAttributes() )
8732     {
8733         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8734         attr->SetBackgroundColour(colour);
8735         attr->DecRef();
8736     }
8737 }
8738
8739 void wxGrid::SetCellTextColour( int row, int col, const wxColour& colour )
8740 {
8741     if ( CanHaveAttributes() )
8742     {
8743         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8744         attr->SetTextColour(colour);
8745         attr->DecRef();
8746     }
8747 }
8748
8749 void wxGrid::SetCellFont( int row, int col, const wxFont& font )
8750 {
8751     if ( CanHaveAttributes() )
8752     {
8753         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8754         attr->SetFont(font);
8755         attr->DecRef();
8756     }
8757 }
8758
8759 void wxGrid::SetCellAlignment( int row, int col, int horiz, int vert )
8760 {
8761     if ( CanHaveAttributes() )
8762     {
8763         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8764         attr->SetAlignment(horiz, vert);
8765         attr->DecRef();
8766     }
8767 }
8768
8769 void wxGrid::SetCellOverflow( int row, int col, bool allow )
8770 {
8771     if ( CanHaveAttributes() )
8772     {
8773         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8774         attr->SetOverflow(allow);
8775         attr->DecRef();
8776     }
8777 }
8778
8779 void wxGrid::SetCellSize( int row, int col, int num_rows, int num_cols )
8780 {
8781     if ( CanHaveAttributes() )
8782     {
8783         int cell_rows, cell_cols;
8784
8785         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8786         attr->GetSize(&cell_rows, &cell_cols);
8787         attr->SetSize(num_rows, num_cols);
8788         attr->DecRef();
8789
8790         // Cannot set the size of a cell to 0 or negative values
8791         // While it is perfectly legal to do that, this function cannot
8792         // handle all the possibilies, do it by hand by getting the CellAttr.
8793         // You can only set the size of a cell to 1,1 or greater with this fn
8794         wxASSERT_MSG( !((cell_rows < 1) || (cell_cols < 1)),
8795                       wxT("wxGrid::SetCellSize setting cell size that is already part of another cell"));
8796         wxASSERT_MSG( !((num_rows < 1) || (num_cols < 1)),
8797                       wxT("wxGrid::SetCellSize setting cell size to < 1"));
8798
8799         // if this was already a multicell then "turn off" the other cells first
8800         if ((cell_rows > 1) || (cell_rows > 1))
8801         {
8802             int i, j;
8803             for (j=row; j<row+cell_rows; j++)
8804             {
8805                 for (i=col; i<col+cell_cols; i++)
8806                 {
8807                     if ((i != col) || (j != row))
8808                     {
8809                         wxGridCellAttr *attr_stub = GetOrCreateCellAttr(j, i);
8810                         attr_stub->SetSize( 1, 1 );
8811                         attr_stub->DecRef();
8812                     }
8813                 }
8814             }
8815         }
8816
8817         // mark the cells that will be covered by this cell to
8818         // negative or zero values to point back at this cell
8819         if (((num_rows > 1) || (num_cols > 1)) && (num_rows >= 1) && (num_cols >= 1))
8820         {
8821             int i, j;
8822             for (j=row; j<row+num_rows; j++)
8823             {
8824                 for (i=col; i<col+num_cols; i++)
8825                 {
8826                     if ((i != col) || (j != row))
8827                     {
8828                         wxGridCellAttr *attr_stub = GetOrCreateCellAttr(j, i);
8829                         attr_stub->SetSize( row-j, col-i );
8830                         attr_stub->DecRef();
8831                     }
8832                 }
8833             }
8834         }
8835     }
8836 }
8837
8838 void wxGrid::SetCellRenderer(int row, int col, wxGridCellRenderer *renderer)
8839 {
8840     if ( CanHaveAttributes() )
8841     {
8842         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8843         attr->SetRenderer(renderer);
8844         attr->DecRef();
8845     }
8846 }
8847
8848 void wxGrid::SetCellEditor(int row, int col, wxGridCellEditor* editor)
8849 {
8850     if ( CanHaveAttributes() )
8851     {
8852         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8853         attr->SetEditor(editor);
8854         attr->DecRef();
8855     }
8856 }
8857
8858 void wxGrid::SetReadOnly(int row, int col, bool isReadOnly)
8859 {
8860     if ( CanHaveAttributes() )
8861     {
8862         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8863         attr->SetReadOnly(isReadOnly);
8864         attr->DecRef();
8865     }
8866 }
8867
8868 // ----------------------------------------------------------------------------
8869 // Data type registration
8870 // ----------------------------------------------------------------------------
8871
8872 void wxGrid::RegisterDataType(const wxString& typeName,
8873                               wxGridCellRenderer* renderer,
8874                               wxGridCellEditor* editor)
8875 {
8876     m_typeRegistry->RegisterDataType(typeName, renderer, editor);
8877 }
8878
8879
8880 wxGridCellEditor* wxGrid::GetDefaultEditorForCell(int row, int col) const
8881 {
8882     wxString typeName = m_table->GetTypeName(row, col);
8883     return GetDefaultEditorForType(typeName);
8884 }
8885
8886 wxGridCellRenderer* wxGrid::GetDefaultRendererForCell(int row, int col) const
8887 {
8888     wxString typeName = m_table->GetTypeName(row, col);
8889     return GetDefaultRendererForType(typeName);
8890 }
8891
8892 wxGridCellEditor*
8893 wxGrid::GetDefaultEditorForType(const wxString& typeName) const
8894 {
8895     int index = m_typeRegistry->FindOrCloneDataType(typeName);
8896     if ( index == wxNOT_FOUND )
8897     {
8898         wxFAIL_MSG(wxT("Unknown data type name"));
8899
8900         return NULL;
8901     }
8902
8903     return m_typeRegistry->GetEditor(index);
8904 }
8905
8906 wxGridCellRenderer*
8907 wxGrid::GetDefaultRendererForType(const wxString& typeName) const
8908 {
8909     int index = m_typeRegistry->FindOrCloneDataType(typeName);
8910     if ( index == wxNOT_FOUND )
8911     {
8912         wxFAIL_MSG(wxT("Unknown data type name"));
8913
8914         return NULL;
8915     }
8916
8917     return m_typeRegistry->GetRenderer(index);
8918 }
8919
8920
8921 // ----------------------------------------------------------------------------
8922 // row/col size
8923 // ----------------------------------------------------------------------------
8924
8925 void wxGrid::EnableDragRowSize( bool enable )
8926 {
8927     m_canDragRowSize = enable;
8928 }
8929
8930
8931 void wxGrid::EnableDragColSize( bool enable )
8932 {
8933     m_canDragColSize = enable;
8934 }
8935
8936 void wxGrid::EnableDragGridSize( bool enable )
8937 {
8938     m_canDragGridSize = enable;
8939 }
8940
8941
8942 void wxGrid::SetDefaultRowSize( int height, bool resizeExistingRows )
8943 {
8944     m_defaultRowHeight = wxMax( height, WXGRID_MIN_ROW_HEIGHT );
8945
8946     if ( resizeExistingRows )
8947     {
8948         // since we are resizing all rows to the default row size,
8949         // we can simply clear the row heights and row bottoms
8950         // arrays (which also allows us to take advantage of
8951         // some speed optimisations)
8952         m_rowHeights.Empty();
8953         m_rowBottoms.Empty();
8954         if ( !GetBatchCount() )
8955             CalcDimensions();
8956     }
8957 }
8958
8959 void wxGrid::SetRowSize( int row, int height )
8960 {
8961     wxCHECK_RET( row >= 0 && row < m_numRows, _T("invalid row index") );
8962
8963     if ( m_rowHeights.IsEmpty() )
8964     {
8965         // need to really create the array
8966         InitRowHeights();
8967     }
8968
8969     int h = wxMax( 0, height );
8970     int diff = h - m_rowHeights[row];
8971
8972     m_rowHeights[row] = h;
8973     int i;
8974     for ( i = row;  i < m_numRows;  i++ )
8975     {
8976         m_rowBottoms[i] += diff;
8977     }
8978     if ( !GetBatchCount() )
8979         CalcDimensions();
8980 }
8981
8982 void wxGrid::SetDefaultColSize( int width, bool resizeExistingCols )
8983 {
8984     m_defaultColWidth = wxMax( width, WXGRID_MIN_COL_WIDTH );
8985
8986     if ( resizeExistingCols )
8987     {
8988         // since we are resizing all columns to the default column size,
8989         // we can simply clear the col widths and col rights
8990         // arrays (which also allows us to take advantage of
8991         // some speed optimisations)
8992         m_colWidths.Empty();
8993         m_colRights.Empty();
8994         if ( !GetBatchCount() )
8995             CalcDimensions();
8996     }
8997 }
8998
8999 void wxGrid::SetColSize( int col, int width )
9000 {
9001     wxCHECK_RET( col >= 0 && col < m_numCols, _T("invalid column index") );
9002
9003     // should we check that it's bigger than GetColMinimalWidth(col) here?
9004
9005     if ( m_colWidths.IsEmpty() )
9006     {
9007         // need to really create the array
9008         InitColWidths();
9009     }
9010
9011     int w = wxMax( 0, width );
9012     int diff = w - m_colWidths[col];
9013     m_colWidths[col] = w;
9014
9015     int i;
9016     for ( i = col;  i < m_numCols;  i++ )
9017     {
9018         m_colRights[i] += diff;
9019     }
9020     if ( !GetBatchCount() )
9021         CalcDimensions();
9022 }
9023
9024
9025 void wxGrid::SetColMinimalWidth( int col, int width )
9026 {
9027     m_colMinWidths.Put(col, width);
9028 }
9029
9030 void wxGrid::SetRowMinimalHeight( int row, int width )
9031 {
9032     m_rowMinHeights.Put(row, width);
9033 }
9034
9035 int wxGrid::GetColMinimalWidth(int col) const
9036 {
9037     long value = m_colMinWidths.Get(col);
9038     return value != wxNOT_FOUND ? (int)value : WXGRID_MIN_COL_WIDTH;
9039 }
9040
9041 int wxGrid::GetRowMinimalHeight(int row) const
9042 {
9043     long value = m_rowMinHeights.Get(row);
9044     return value != wxNOT_FOUND ? (int)value : WXGRID_MIN_ROW_HEIGHT;
9045 }
9046
9047 // ----------------------------------------------------------------------------
9048 // auto sizing
9049 // ----------------------------------------------------------------------------
9050
9051 void wxGrid::AutoSizeColOrRow( int colOrRow, bool setAsMin, bool column )
9052 {
9053     wxClientDC dc(m_gridWin);
9054
9055     // init both of them to avoid compiler warnings, even if weo nly need one
9056     int row = -1,
9057         col = -1;
9058     if ( column )
9059         col = colOrRow;
9060     else
9061         row = colOrRow;
9062
9063     wxCoord extent, extentMax = 0;
9064     int max = column ? m_numRows : m_numCols;
9065     for ( int rowOrCol = 0; rowOrCol < max; rowOrCol++ )
9066     {
9067         if ( column )
9068             row = rowOrCol;
9069         else
9070             col = rowOrCol;
9071
9072         wxGridCellAttr* attr = GetCellAttr(row, col);
9073         wxGridCellRenderer* renderer = attr->GetRenderer(this, row, col);
9074         if ( renderer )
9075         {
9076             wxSize size = renderer->GetBestSize(*this, *attr, dc, row, col);
9077             extent = column ? size.x : size.y;
9078             if ( extent > extentMax )
9079             {
9080                 extentMax = extent;
9081             }
9082
9083             renderer->DecRef();
9084         }
9085
9086         attr->DecRef();
9087     }
9088
9089     // now also compare with the column label extent
9090     wxCoord w, h;
9091     dc.SetFont( GetLabelFont() );
9092
9093     if ( column )
9094         dc.GetTextExtent( GetColLabelValue(col), &w, &h );
9095     else
9096         dc.GetTextExtent( GetRowLabelValue(row), &w, &h );
9097
9098     extent = column ? w : h;
9099     if ( extent > extentMax )
9100     {
9101         extentMax = extent;
9102     }
9103
9104     if ( !extentMax )
9105     {
9106         // empty column - give default extent (notice that if extentMax is less
9107         // than default extent but != 0, it's ok)
9108         extentMax = column ? m_defaultColWidth : m_defaultRowHeight;
9109     }
9110     else
9111     {
9112         if ( column )
9113         {
9114             // leave some space around text
9115             extentMax += 10;
9116         }
9117         else
9118         {
9119             extentMax += 6;
9120         }
9121     }
9122
9123     if ( column )
9124     {
9125         SetColSize(col, extentMax);
9126         if ( !GetBatchCount() )
9127         {
9128             int cw, ch, dummy;
9129             m_gridWin->GetClientSize( &cw, &ch );
9130             wxRect rect ( CellToRect( 0, col ) );
9131             rect.y = 0;
9132             CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
9133             rect.width = cw - rect.x;
9134             rect.height = m_colLabelHeight;
9135             m_colLabelWin->Refresh( TRUE, &rect );
9136         }
9137     }
9138     else
9139     {
9140         SetRowSize(row, extentMax);
9141         if ( !GetBatchCount() )
9142         {
9143             int cw, ch, dummy;
9144             m_gridWin->GetClientSize( &cw, &ch );
9145             wxRect rect ( CellToRect( row, 0 ) );
9146             rect.x = 0;
9147             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
9148             rect.width = m_rowLabelWidth;
9149             rect.height = ch - rect.y;
9150             m_rowLabelWin->Refresh( TRUE, &rect );
9151         }
9152     }
9153     if ( setAsMin )
9154     {
9155         if ( column )
9156             SetColMinimalWidth(col, extentMax);
9157         else
9158             SetRowMinimalHeight(row, extentMax);
9159     }
9160 }
9161
9162 int wxGrid::SetOrCalcColumnSizes(bool calcOnly, bool setAsMin)
9163 {
9164     int width = m_rowLabelWidth;
9165
9166     if ( !calcOnly )
9167         BeginBatch();
9168
9169     for ( int col = 0; col < m_numCols; col++ )
9170     {
9171         if ( !calcOnly )
9172         {
9173             AutoSizeColumn(col, setAsMin);
9174         }
9175
9176         width += GetColWidth(col);
9177     }
9178
9179     if ( !calcOnly )
9180         EndBatch();
9181
9182     return width;
9183 }
9184
9185 int wxGrid::SetOrCalcRowSizes(bool calcOnly, bool setAsMin)
9186 {
9187     int height = m_colLabelHeight;
9188
9189     if ( !calcOnly )
9190         BeginBatch();
9191
9192     for ( int row = 0; row < m_numRows; row++ )
9193     {
9194         if ( !calcOnly )
9195         {
9196             AutoSizeRow(row, setAsMin);
9197         }
9198
9199         height += GetRowHeight(row);
9200     }
9201
9202     if ( !calcOnly )
9203         EndBatch();
9204
9205     return height;
9206 }
9207
9208 void wxGrid::AutoSize()
9209 {
9210     BeginBatch();
9211
9212     wxSize size(SetOrCalcColumnSizes(FALSE), SetOrCalcRowSizes(FALSE));
9213
9214     // round up the size to a multiple of scroll step - this ensures that we
9215     // won't get the scrollbars if we're sized exactly to this width
9216     wxSize sizeFit(GetScrollX(size.x) * GRID_SCROLL_LINE_X,
9217                    GetScrollY(size.y) * GRID_SCROLL_LINE_Y);
9218
9219     // distribute the extra space between teh columns/rows to avoid having
9220     // extra white space
9221     wxCoord diff = sizeFit.x - size.x;
9222     if ( diff )
9223     {
9224         // try to resize the columns uniformly
9225         wxCoord diffPerCol = diff / m_numCols;
9226         if ( diffPerCol )
9227         {
9228             for ( int col = 0; col < m_numCols; col++ )
9229             {
9230                 SetColSize(col, GetColWidth(col) + diffPerCol);
9231             }
9232         }
9233
9234         // add remaining amount to the last columns
9235         diff -= diffPerCol * m_numCols;
9236         if ( diff )
9237         {
9238             for ( int col = m_numCols - 1; col >= m_numCols - diff; col-- )
9239             {
9240                 SetColSize(col, GetColWidth(col) + 1);
9241             }
9242         }
9243     }
9244
9245     // same for rows
9246     diff = sizeFit.y - size.y;
9247     if ( diff )
9248     {
9249         // try to resize the columns uniformly
9250         wxCoord diffPerRow = diff / m_numRows;
9251         if ( diffPerRow )
9252         {
9253             for ( int row = 0; row < m_numRows; row++ )
9254             {
9255                 SetRowSize(row, GetRowHeight(row) + diffPerRow);
9256             }
9257         }
9258
9259         // add remaining amount to the last rows
9260         diff -= diffPerRow * m_numRows;
9261         if ( diff )
9262         {
9263             for ( int row = m_numRows - 1; row >= m_numRows - diff; row-- )
9264             {
9265                 SetRowSize(row, GetRowHeight(row) + 1);
9266             }
9267         }
9268     }
9269
9270     EndBatch();
9271
9272     SetClientSize(sizeFit);
9273 }
9274
9275 wxSize wxGrid::DoGetBestSize() const
9276 {
9277     // don't set sizes, only calculate them
9278     wxGrid *self = (wxGrid *)this;  // const_cast
9279
9280     int width, height;
9281     width = self->SetOrCalcColumnSizes(TRUE);
9282     height = self->SetOrCalcRowSizes(TRUE);
9283
9284     int maxwidth, maxheight;
9285     wxDisplaySize( & maxwidth, & maxheight );
9286
9287     if ( width > maxwidth ) width = maxwidth;
9288     if ( height > maxheight ) height = maxheight;
9289
9290     return wxSize( width, height );
9291 }
9292
9293 void wxGrid::Fit()
9294 {
9295     AutoSize();
9296 }
9297
9298
9299 wxPen& wxGrid::GetDividerPen() const
9300 {
9301     return wxNullPen;
9302 }
9303
9304 // ----------------------------------------------------------------------------
9305 // cell value accessor functions
9306 // ----------------------------------------------------------------------------
9307
9308 void wxGrid::SetCellValue( int row, int col, const wxString& s )
9309 {
9310     if ( m_table )
9311     {
9312         m_table->SetValue( row, col, s );
9313         if ( !GetBatchCount() )
9314         {
9315             int dummy;
9316             wxRect rect( CellToRect( row, col ) );
9317             rect.x = 0;
9318             rect.width = m_gridWin->GetClientSize().GetWidth();
9319             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
9320             m_gridWin->Refresh( FALSE, &rect );
9321         }
9322
9323         if ( m_currentCellCoords.GetRow() == row &&
9324              m_currentCellCoords.GetCol() == col &&
9325              IsCellEditControlShown())
9326              // Note: If we are using IsCellEditControlEnabled,
9327              // this interacts badly with calling SetCellValue from
9328              // an EVT_GRID_CELL_CHANGE handler.
9329         {
9330             HideCellEditControl();
9331             ShowCellEditControl(); // will reread data from table
9332         }
9333     }
9334 }
9335
9336
9337 //
9338 // ------ Block, row and col selection
9339 //
9340
9341 void wxGrid::SelectRow( int row, bool addToSelected )
9342 {
9343     if ( IsSelection() && !addToSelected )
9344         ClearSelection();
9345
9346     if ( m_selection )
9347         m_selection->SelectRow( row, FALSE, addToSelected );
9348 }
9349
9350
9351 void wxGrid::SelectCol( int col, bool addToSelected )
9352 {
9353     if ( IsSelection() && !addToSelected )
9354         ClearSelection();
9355
9356     if ( m_selection )
9357         m_selection->SelectCol( col, FALSE, addToSelected );
9358 }
9359
9360
9361 void wxGrid::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol,
9362                           bool addToSelected )
9363 {
9364     if ( IsSelection() && !addToSelected )
9365         ClearSelection();
9366
9367     if ( m_selection )
9368         m_selection->SelectBlock( topRow, leftCol, bottomRow, rightCol,
9369                                   FALSE, addToSelected );
9370 }
9371
9372
9373 void wxGrid::SelectAll()
9374 {
9375     if ( m_numRows > 0 && m_numCols > 0 )
9376     {
9377         if ( m_selection )
9378             m_selection->SelectBlock( 0, 0, m_numRows-1, m_numCols-1 );
9379     }
9380 }
9381
9382 //
9383 // ------ Cell, row and col deselection
9384 //
9385
9386 void wxGrid::DeselectRow( int row )
9387 {
9388     if ( !m_selection )
9389         return;
9390
9391     if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectRows )
9392     {
9393         if ( m_selection->IsInSelection(row, 0 ) )
9394             m_selection->ToggleCellSelection( row, 0);
9395     }
9396     else
9397     {
9398         int nCols = GetNumberCols();
9399         for ( int i = 0; i < nCols ; i++ )
9400         {
9401             if ( m_selection->IsInSelection(row, i ) )
9402                 m_selection->ToggleCellSelection( row, i);
9403         }
9404     }
9405 }
9406
9407 void wxGrid::DeselectCol( int col )
9408 {
9409     if ( !m_selection )
9410         return;
9411
9412     if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectColumns )
9413     {
9414         if ( m_selection->IsInSelection(0, col ) )
9415             m_selection->ToggleCellSelection( 0, col);
9416     }
9417     else
9418     {
9419         int nRows = GetNumberRows();
9420         for ( int i = 0; i < nRows ; i++ )
9421         {
9422             if ( m_selection->IsInSelection(i, col ) )
9423                 m_selection->ToggleCellSelection(i, col);
9424         }
9425     }
9426 }
9427
9428 void wxGrid::DeselectCell( int row, int col )
9429 {
9430     if ( m_selection && m_selection->IsInSelection(row, col) )
9431         m_selection->ToggleCellSelection(row, col);
9432 }
9433
9434 bool wxGrid::IsSelection()
9435 {
9436     return ( m_selection && (m_selection->IsSelection() ||
9437              ( m_selectingTopLeft != wxGridNoCellCoords &&
9438                m_selectingBottomRight != wxGridNoCellCoords) ) );
9439 }
9440
9441 bool wxGrid::IsInSelection( int row, int col ) const
9442 {
9443     return ( m_selection && (m_selection->IsInSelection( row, col ) ||
9444              ( row >= m_selectingTopLeft.GetRow() &&
9445                col >= m_selectingTopLeft.GetCol() &&
9446                row <= m_selectingBottomRight.GetRow() &&
9447                col <= m_selectingBottomRight.GetCol() )) );
9448 }
9449
9450 wxGridCellCoordsArray wxGrid::GetSelectedCells() const
9451 {
9452     if (!m_selection) { wxGridCellCoordsArray a; return a; }
9453     return m_selection->m_cellSelection;
9454 }
9455 wxGridCellCoordsArray wxGrid::GetSelectionBlockTopLeft() const
9456 {
9457     if (!m_selection) { wxGridCellCoordsArray a; return a; }
9458     return m_selection->m_blockSelectionTopLeft;
9459 }
9460 wxGridCellCoordsArray wxGrid::GetSelectionBlockBottomRight() const
9461 {
9462     if (!m_selection) { wxGridCellCoordsArray a; return a; }
9463     return m_selection->m_blockSelectionTopLeft;
9464 }
9465 wxArrayInt wxGrid::GetSelectedRows() const
9466 {
9467     if (!m_selection) { wxArrayInt a; return a; }
9468     return m_selection->m_rowSelection;
9469 }
9470 wxArrayInt wxGrid::GetSelectedCols() const
9471 {
9472     if (!m_selection) { wxArrayInt a; return a; }
9473     return m_selection->m_colSelection;
9474 }
9475
9476
9477 void wxGrid::ClearSelection()
9478 {
9479     m_selectingTopLeft = wxGridNoCellCoords;
9480     m_selectingBottomRight = wxGridNoCellCoords;
9481     if ( m_selection )
9482         m_selection->ClearSelection();
9483 }
9484
9485
9486 // This function returns the rectangle that encloses the given block
9487 // in device coords clipped to the client size of the grid window.
9488 //
9489 wxRect wxGrid::BlockToDeviceRect( const wxGridCellCoords &topLeft,
9490                                   const wxGridCellCoords &bottomRight )
9491 {
9492     wxRect rect( wxGridNoCellRect );
9493     wxRect cellRect;
9494
9495     cellRect = CellToRect( topLeft );
9496     if ( cellRect != wxGridNoCellRect )
9497     {
9498         rect = cellRect;
9499     }
9500     else
9501     {
9502         rect = wxRect( 0, 0, 0, 0 );
9503     }
9504
9505     cellRect = CellToRect( bottomRight );
9506     if ( cellRect != wxGridNoCellRect )
9507     {
9508         rect += cellRect;
9509     }
9510     else
9511     {
9512         return wxGridNoCellRect;
9513     }
9514
9515     int i, j;
9516     int left = rect.GetLeft();
9517     int top = rect.GetTop();
9518     int right = rect.GetRight();
9519     int bottom = rect.GetBottom();
9520
9521     int leftCol = topLeft.GetCol();
9522     int topRow = topLeft.GetRow();
9523     int rightCol = bottomRight.GetCol();
9524     int bottomRow = bottomRight.GetRow();
9525
9526     if (left > right)
9527     {
9528         i = left;
9529         left = right;
9530         right = i;
9531         i = leftCol;
9532         leftCol=rightCol;
9533         rightCol = i;
9534     }
9535
9536     if (top > bottom)
9537     {
9538         i = top;
9539         top = bottom;
9540         bottom = i;
9541         i = topRow;
9542         topRow = bottomRow;
9543         bottomRow = i;
9544     }
9545
9546
9547     for ( j = topRow; j <= bottomRow; j++ )
9548     {
9549         for ( i = leftCol; i <= rightCol; i++ )
9550         {
9551             if ((j==topRow) || (j==bottomRow) || (i==leftCol) || (i==rightCol))
9552             {
9553                 cellRect = CellToRect( j, i );
9554
9555                 if (cellRect.x < left)
9556                     left = cellRect.x;
9557                 if (cellRect.y < top)
9558                     top = cellRect.y;
9559                 if (cellRect.x + cellRect.width > right)
9560                     right = cellRect.x + cellRect.width;
9561                 if (cellRect.y + cellRect.height > bottom)
9562                     bottom = cellRect.y + cellRect.height;
9563             }
9564             else i = rightCol; // jump over inner cells.
9565         }
9566     }
9567
9568     // convert to scrolled coords
9569     //
9570     CalcScrolledPosition( left, top, &left, &top );
9571     CalcScrolledPosition( right, bottom, &right, &bottom );
9572
9573     int cw, ch;
9574     m_gridWin->GetClientSize( &cw, &ch );
9575
9576     if (right < 0 || bottom < 0 || left > cw || top > ch)
9577         return wxRect( 0, 0, 0, 0);
9578
9579     rect.SetLeft( wxMax(0, left) );
9580     rect.SetTop( wxMax(0, top) );
9581     rect.SetRight( wxMin(cw, right) );
9582     rect.SetBottom( wxMin(ch, bottom) );
9583
9584     return rect;
9585 }
9586
9587
9588
9589 //
9590 // ------ Grid event classes
9591 //
9592
9593 IMPLEMENT_DYNAMIC_CLASS( wxGridEvent, wxNotifyEvent )
9594
9595 wxGridEvent::wxGridEvent( int id, wxEventType type, wxObject* obj,
9596                           int row, int col, int x, int y, bool sel,
9597                           bool control, bool shift, bool alt, bool meta )
9598         : wxNotifyEvent( type, id )
9599 {
9600     m_row = row;
9601     m_col = col;
9602     m_x = x;
9603     m_y = y;
9604     m_selecting = sel;
9605     m_control = control;
9606     m_shift = shift;
9607     m_alt = alt;
9608     m_meta = meta;
9609
9610     SetEventObject(obj);
9611 }
9612
9613
9614 IMPLEMENT_DYNAMIC_CLASS( wxGridSizeEvent, wxNotifyEvent )
9615
9616 wxGridSizeEvent::wxGridSizeEvent( int id, wxEventType type, wxObject* obj,
9617                                   int rowOrCol, int x, int y,
9618                                   bool control, bool shift, bool alt, bool meta )
9619         : wxNotifyEvent( type, id )
9620 {
9621     m_rowOrCol = rowOrCol;
9622     m_x = x;
9623     m_y = y;
9624     m_control = control;
9625     m_shift = shift;
9626     m_alt = alt;
9627     m_meta = meta;
9628
9629     SetEventObject(obj);
9630 }
9631
9632
9633 IMPLEMENT_DYNAMIC_CLASS( wxGridRangeSelectEvent, wxNotifyEvent )
9634
9635 wxGridRangeSelectEvent::wxGridRangeSelectEvent(int id, wxEventType type, wxObject* obj,
9636                                                const wxGridCellCoords& topLeft,
9637                                                const wxGridCellCoords& bottomRight,
9638                                                bool sel, bool control,
9639                                                bool shift, bool alt, bool meta )
9640         : wxNotifyEvent( type, id )
9641 {
9642     m_topLeft     = topLeft;
9643     m_bottomRight = bottomRight;
9644     m_selecting   = sel;
9645     m_control     = control;
9646     m_shift       = shift;
9647     m_alt         = alt;
9648     m_meta        = meta;
9649
9650     SetEventObject(obj);
9651 }
9652
9653
9654 IMPLEMENT_DYNAMIC_CLASS(wxGridEditorCreatedEvent, wxCommandEvent)
9655
9656 wxGridEditorCreatedEvent::wxGridEditorCreatedEvent(int id, wxEventType type,
9657                                                    wxObject* obj, int row,
9658                                                    int col, wxControl* ctrl)
9659     : wxCommandEvent(type, id)
9660 {
9661     SetEventObject(obj);
9662     m_row = row;
9663     m_col = col;
9664     m_ctrl = ctrl;
9665 }
9666
9667
9668 #endif // !wxUSE_NEW_GRID/wxUSE_NEW_GRID
9669
9670 #endif // wxUSE_GRID