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         for (size_t i=0; i< m_data.GetCount(); i++) m_data[i].Clear();
3096         m_data.Empty();  // don't release memory just yet
3097     }
3098     else
3099     {
3100         m_data.RemoveAt( pos, numRows );
3101     }
3102     if ( GetView() )
3103     {
3104         wxGridTableMessage msg( this,
3105                                 wxGRIDTABLE_NOTIFY_ROWS_DELETED,
3106                                 pos,
3107                                 numRows );
3108
3109         GetView()->ProcessTableMessage( msg );
3110     }
3111
3112     return TRUE;
3113 }
3114
3115 bool wxGridStringTable::InsertCols( size_t pos, size_t numCols )
3116 {
3117     size_t row, col;
3118
3119     size_t curNumRows = m_data.GetCount();
3120     size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
3121                           ( GetView() ? GetView()->GetNumberCols() : 0 ) );
3122
3123     if ( pos >= curNumCols )
3124     {
3125         return AppendCols( numCols );
3126     }
3127
3128     for ( row = 0;  row < curNumRows;  row++ )
3129     {
3130         for ( col = pos;  col < pos + numCols;  col++ )
3131         {
3132             m_data[row].Insert( wxEmptyString, col );
3133         }
3134     }
3135     if ( GetView() )
3136     {
3137         wxGridTableMessage msg( this,
3138                                 wxGRIDTABLE_NOTIFY_COLS_INSERTED,
3139                                 pos,
3140                                 numCols );
3141
3142         GetView()->ProcessTableMessage( msg );
3143     }
3144
3145     return TRUE;
3146 }
3147
3148 bool wxGridStringTable::AppendCols( size_t numCols )
3149 {
3150     size_t row;
3151
3152     size_t curNumRows = m_data.GetCount();
3153 #if 0
3154     if ( !curNumRows )
3155     {
3156         // TODO: something better than this ?
3157         //
3158         wxFAIL_MSG( wxT("Unable to append cols to a grid table with no rows.\nCall AppendRows() first") );
3159         return FALSE;
3160     }
3161 #endif
3162
3163     for ( row = 0;  row < curNumRows;  row++ )
3164     {
3165         m_data[row].Add( wxEmptyString, numCols );
3166     }
3167
3168     if ( GetView() )
3169     {
3170         wxGridTableMessage msg( this,
3171                                 wxGRIDTABLE_NOTIFY_COLS_APPENDED,
3172                                 numCols );
3173
3174         GetView()->ProcessTableMessage( msg );
3175     }
3176
3177     return TRUE;
3178 }
3179
3180 bool wxGridStringTable::DeleteCols( size_t pos, size_t numCols )
3181 {
3182     size_t row;
3183
3184     size_t curNumRows = m_data.GetCount();
3185     size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
3186                           ( GetView() ? GetView()->GetNumberCols() : 0 ) );
3187
3188     if ( pos >= curNumCols )
3189     {
3190         wxFAIL_MSG( wxString::Format
3191                     (
3192                         wxT("Called wxGridStringTable::DeleteCols(pos=%lu, N=%lu)\nPos value is invalid for present table with %lu cols"),
3193                         (unsigned long)pos,
3194                         (unsigned long)numCols,
3195                         (unsigned long)curNumCols
3196                     ) );
3197         return FALSE;
3198     }
3199
3200     if ( numCols > curNumCols - pos )
3201     {
3202         numCols = curNumCols - pos;
3203     }
3204
3205     for ( row = 0;  row < curNumRows;  row++ )
3206     {
3207         if ( numCols >= curNumCols )
3208         {
3209             m_data[row].Clear();
3210         }
3211         else
3212         {
3213             m_data[row].RemoveAt( pos, numCols );
3214         }
3215     }
3216     if ( GetView() )
3217     {
3218         wxGridTableMessage msg( this,
3219                                 wxGRIDTABLE_NOTIFY_COLS_DELETED,
3220                                 pos,
3221                                 numCols );
3222
3223         GetView()->ProcessTableMessage( msg );
3224     }
3225
3226     return TRUE;
3227 }
3228
3229 wxString wxGridStringTable::GetRowLabelValue( int row )
3230 {
3231     if ( row > (int)(m_rowLabels.GetCount()) - 1 )
3232     {
3233         // using default label
3234         //
3235         return wxGridTableBase::GetRowLabelValue( row );
3236     }
3237     else
3238     {
3239         return m_rowLabels[ row ];
3240     }
3241 }
3242
3243 wxString wxGridStringTable::GetColLabelValue( int col )
3244 {
3245     if ( col > (int)(m_colLabels.GetCount()) - 1 )
3246     {
3247         // using default label
3248         //
3249         return wxGridTableBase::GetColLabelValue( col );
3250     }
3251     else
3252     {
3253         return m_colLabels[ col ];
3254     }
3255 }
3256
3257 void wxGridStringTable::SetRowLabelValue( int row, const wxString& value )
3258 {
3259     if ( row > (int)(m_rowLabels.GetCount()) - 1 )
3260     {
3261         int n = m_rowLabels.GetCount();
3262         int i;
3263         for ( i = n;  i <= row;  i++ )
3264         {
3265             m_rowLabels.Add( wxGridTableBase::GetRowLabelValue(i) );
3266         }
3267     }
3268
3269     m_rowLabels[row] = value;
3270 }
3271
3272 void wxGridStringTable::SetColLabelValue( int col, const wxString& value )
3273 {
3274     if ( col > (int)(m_colLabels.GetCount()) - 1 )
3275     {
3276         int n = m_colLabels.GetCount();
3277         int i;
3278         for ( i = n;  i <= col;  i++ )
3279         {
3280             m_colLabels.Add( wxGridTableBase::GetColLabelValue(i) );
3281         }
3282     }
3283
3284     m_colLabels[col] = value;
3285 }
3286
3287
3288
3289 //////////////////////////////////////////////////////////////////////
3290 //////////////////////////////////////////////////////////////////////
3291
3292 IMPLEMENT_DYNAMIC_CLASS( wxGridRowLabelWindow, wxWindow )
3293
3294 BEGIN_EVENT_TABLE( wxGridRowLabelWindow, wxWindow )
3295     EVT_PAINT( wxGridRowLabelWindow::OnPaint )
3296     EVT_MOUSEWHEEL( wxGridRowLabelWindow::OnMouseWheel)
3297     EVT_MOUSE_EVENTS( wxGridRowLabelWindow::OnMouseEvent )
3298     EVT_KEY_DOWN( wxGridRowLabelWindow::OnKeyDown )
3299     EVT_KEY_UP( wxGridRowLabelWindow::OnKeyUp )
3300 END_EVENT_TABLE()
3301
3302 wxGridRowLabelWindow::wxGridRowLabelWindow( wxGrid *parent,
3303                                             wxWindowID id,
3304                                             const wxPoint &pos, const wxSize &size )
3305   : wxWindow( parent, id, pos, size, wxWANTS_CHARS )
3306 {
3307     m_owner = parent;
3308 }
3309
3310 void wxGridRowLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
3311 {
3312     wxPaintDC dc(this);
3313
3314     // NO - don't do this because it will set both the x and y origin
3315     // coords to match the parent scrolled window and we just want to
3316     // set the y coord  - MB
3317     //
3318     // m_owner->PrepareDC( dc );
3319
3320     int x, y;
3321     m_owner->CalcUnscrolledPosition( 0, 0, &x, &y );
3322     dc.SetDeviceOrigin( 0, -y );
3323
3324     wxArrayInt rows = m_owner->CalcRowLabelsExposed( GetUpdateRegion() );
3325     m_owner->DrawRowLabels( dc , rows );
3326 }
3327
3328
3329 void wxGridRowLabelWindow::OnMouseEvent( wxMouseEvent& event )
3330 {
3331     m_owner->ProcessRowLabelMouseEvent( event );
3332 }
3333
3334
3335 void wxGridRowLabelWindow::OnMouseWheel( wxMouseEvent& event )
3336 {
3337     m_owner->GetEventHandler()->ProcessEvent(event);
3338 }
3339
3340
3341 // This seems to be required for wxMotif otherwise the mouse
3342 // cursor must be in the cell edit control to get key events
3343 //
3344 void wxGridRowLabelWindow::OnKeyDown( wxKeyEvent& event )
3345 {
3346     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3347 }
3348
3349 void wxGridRowLabelWindow::OnKeyUp( wxKeyEvent& event )
3350 {
3351     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3352 }
3353
3354
3355
3356 //////////////////////////////////////////////////////////////////////
3357
3358 IMPLEMENT_DYNAMIC_CLASS( wxGridColLabelWindow, wxWindow )
3359
3360 BEGIN_EVENT_TABLE( wxGridColLabelWindow, wxWindow )
3361     EVT_PAINT( wxGridColLabelWindow::OnPaint )
3362     EVT_MOUSEWHEEL( wxGridColLabelWindow::OnMouseWheel)
3363     EVT_MOUSE_EVENTS( wxGridColLabelWindow::OnMouseEvent )
3364     EVT_KEY_DOWN( wxGridColLabelWindow::OnKeyDown )
3365     EVT_KEY_UP( wxGridColLabelWindow::OnKeyUp )
3366 END_EVENT_TABLE()
3367
3368 wxGridColLabelWindow::wxGridColLabelWindow( wxGrid *parent,
3369                                             wxWindowID id,
3370                                             const wxPoint &pos, const wxSize &size )
3371   : wxWindow( parent, id, pos, size, wxWANTS_CHARS )
3372 {
3373     m_owner = parent;
3374 }
3375
3376 void wxGridColLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
3377 {
3378     wxPaintDC dc(this);
3379
3380     // NO - don't do this because it will set both the x and y origin
3381     // coords to match the parent scrolled window and we just want to
3382     // set the x coord  - MB
3383     //
3384     // m_owner->PrepareDC( dc );
3385
3386     int x, y;
3387     m_owner->CalcUnscrolledPosition( 0, 0, &x, &y );
3388     dc.SetDeviceOrigin( -x, 0 );
3389
3390     wxArrayInt cols = m_owner->CalcColLabelsExposed( GetUpdateRegion() );
3391     m_owner->DrawColLabels( dc , cols );
3392 }
3393
3394
3395 void wxGridColLabelWindow::OnMouseEvent( wxMouseEvent& event )
3396 {
3397     m_owner->ProcessColLabelMouseEvent( event );
3398 }
3399
3400 void wxGridColLabelWindow::OnMouseWheel( wxMouseEvent& event )
3401 {
3402     m_owner->GetEventHandler()->ProcessEvent(event);
3403 }
3404
3405
3406 // This seems to be required for wxMotif otherwise the mouse
3407 // cursor must be in the cell edit control to get key events
3408 //
3409 void wxGridColLabelWindow::OnKeyDown( wxKeyEvent& event )
3410 {
3411     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3412 }
3413
3414 void wxGridColLabelWindow::OnKeyUp( wxKeyEvent& event )
3415 {
3416     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3417 }
3418
3419
3420
3421 //////////////////////////////////////////////////////////////////////
3422
3423 IMPLEMENT_DYNAMIC_CLASS( wxGridCornerLabelWindow, wxWindow )
3424
3425 BEGIN_EVENT_TABLE( wxGridCornerLabelWindow, wxWindow )
3426     EVT_MOUSEWHEEL( wxGridCornerLabelWindow::OnMouseWheel)
3427     EVT_MOUSE_EVENTS( wxGridCornerLabelWindow::OnMouseEvent )
3428     EVT_PAINT( wxGridCornerLabelWindow::OnPaint)
3429     EVT_KEY_DOWN( wxGridCornerLabelWindow::OnKeyDown )
3430     EVT_KEY_UP( wxGridCornerLabelWindow::OnKeyUp )
3431 END_EVENT_TABLE()
3432
3433 wxGridCornerLabelWindow::wxGridCornerLabelWindow( wxGrid *parent,
3434                                                   wxWindowID id,
3435                                                   const wxPoint &pos, const wxSize &size )
3436   : wxWindow( parent, id, pos, size, wxWANTS_CHARS )
3437 {
3438     m_owner = parent;
3439 }
3440
3441 void wxGridCornerLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
3442 {
3443     wxPaintDC dc(this);
3444
3445     int client_height = 0;
3446     int client_width = 0;
3447     GetClientSize( &client_width, &client_height );
3448
3449     dc.SetPen( *wxBLACK_PEN );
3450     dc.DrawLine( client_width-1, client_height-1, client_width-1, 0 );
3451     dc.DrawLine( client_width-1, client_height-1, 0, client_height-1 );
3452
3453     dc.SetPen( *wxWHITE_PEN );
3454     dc.DrawLine( 0, 0, client_width, 0 );
3455     dc.DrawLine( 0, 0, 0, client_height );
3456 }
3457
3458
3459 void wxGridCornerLabelWindow::OnMouseEvent( wxMouseEvent& event )
3460 {
3461     m_owner->ProcessCornerLabelMouseEvent( event );
3462 }
3463
3464
3465 void wxGridCornerLabelWindow::OnMouseWheel( wxMouseEvent& event )
3466 {
3467     m_owner->GetEventHandler()->ProcessEvent(event);
3468 }
3469
3470 // This seems to be required for wxMotif otherwise the mouse
3471 // cursor must be in the cell edit control to get key events
3472 //
3473 void wxGridCornerLabelWindow::OnKeyDown( wxKeyEvent& event )
3474 {
3475     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3476 }
3477
3478 void wxGridCornerLabelWindow::OnKeyUp( wxKeyEvent& event )
3479 {
3480     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3481 }
3482
3483
3484
3485 //////////////////////////////////////////////////////////////////////
3486
3487 IMPLEMENT_DYNAMIC_CLASS( wxGridWindow, wxWindow )
3488
3489 BEGIN_EVENT_TABLE( wxGridWindow, wxWindow )
3490     EVT_PAINT( wxGridWindow::OnPaint )
3491     EVT_MOUSEWHEEL( wxGridWindow::OnMouseWheel)
3492     EVT_MOUSE_EVENTS( wxGridWindow::OnMouseEvent )
3493     EVT_KEY_DOWN( wxGridWindow::OnKeyDown )
3494     EVT_KEY_UP( wxGridWindow::OnKeyUp )
3495     EVT_ERASE_BACKGROUND( wxGridWindow::OnEraseBackground )
3496 END_EVENT_TABLE()
3497
3498 wxGridWindow::wxGridWindow( wxGrid *parent,
3499                             wxGridRowLabelWindow *rowLblWin,
3500                             wxGridColLabelWindow *colLblWin,
3501                             wxWindowID id, const wxPoint &pos, const wxSize &size )
3502         : wxWindow( parent, id, pos, size, wxWANTS_CHARS, wxT("grid window") )
3503 {
3504     m_owner = parent;
3505     m_rowLabelWin = rowLblWin;
3506     m_colLabelWin = colLblWin;
3507     SetBackgroundColour(_T("WHITE"));
3508 }
3509
3510
3511 wxGridWindow::~wxGridWindow()
3512 {
3513 }
3514
3515
3516 void wxGridWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
3517 {
3518     wxPaintDC dc( this );
3519     m_owner->PrepareDC( dc );
3520     wxRegion reg = GetUpdateRegion();
3521     wxGridCellCoordsArray DirtyCells = m_owner->CalcCellsExposed( reg );
3522     m_owner->DrawGridCellArea( dc , DirtyCells);
3523 #if WXGRID_DRAW_LINES
3524     m_owner->DrawAllGridLines( dc, reg );
3525 #endif
3526     m_owner->DrawGridSpace( dc );
3527     m_owner->DrawHighlight( dc , DirtyCells );
3528 }
3529
3530
3531 void wxGridWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
3532 {
3533     wxWindow::ScrollWindow( dx, dy, rect );
3534     m_rowLabelWin->ScrollWindow( 0, dy, rect );
3535     m_colLabelWin->ScrollWindow( dx, 0, rect );
3536 }
3537
3538
3539 void wxGridWindow::OnMouseEvent( wxMouseEvent& event )
3540 {
3541     m_owner->ProcessGridCellMouseEvent( event );
3542 }
3543
3544 void wxGridWindow::OnMouseWheel( wxMouseEvent& event )
3545 {
3546     m_owner->GetEventHandler()->ProcessEvent(event);
3547 }
3548
3549 // This seems to be required for wxMotif/wxGTK otherwise the mouse
3550 // cursor must be in the cell edit control to get key events
3551 //
3552 void wxGridWindow::OnKeyDown( wxKeyEvent& event )
3553 {
3554     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3555 }
3556
3557 void wxGridWindow::OnKeyUp( wxKeyEvent& event )
3558 {
3559     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3560 }
3561
3562 void wxGridWindow::OnEraseBackground( wxEraseEvent& WXUNUSED(event) )
3563 {
3564 }
3565
3566
3567 //////////////////////////////////////////////////////////////////////
3568
3569 // Internal Helper function for computing row or column from some
3570 // (unscrolled) coordinate value, using either
3571 // m_defaultRowHeight/m_defaultColWidth or binary search on array
3572 // of m_rowBottoms/m_ColRights to speed up the search!
3573
3574 // Internal helper macros for simpler use of that function
3575
3576 static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
3577                            const wxArrayInt& BorderArray, int nMax,
3578                            bool maxOnOverflow);
3579
3580 #define internalXToCol(x) CoordToRowOrCol(x, m_defaultColWidth, \
3581                                           WXGRID_MIN_COL_WIDTH, \
3582                                           m_colRights, m_numCols, TRUE)
3583 #define internalYToRow(y) CoordToRowOrCol(y, m_defaultRowHeight, \
3584                                           WXGRID_MIN_ROW_HEIGHT, \
3585                                           m_rowBottoms, m_numRows, TRUE)
3586 /////////////////////////////////////////////////////////////////////
3587
3588 IMPLEMENT_DYNAMIC_CLASS( wxGrid, wxScrolledWindow )
3589
3590 BEGIN_EVENT_TABLE( wxGrid, wxScrolledWindow )
3591     EVT_PAINT( wxGrid::OnPaint )
3592     EVT_SIZE( wxGrid::OnSize )
3593     EVT_KEY_DOWN( wxGrid::OnKeyDown )
3594     EVT_KEY_UP( wxGrid::OnKeyUp )
3595     EVT_ERASE_BACKGROUND( wxGrid::OnEraseBackground )
3596 END_EVENT_TABLE()
3597
3598 wxGrid::wxGrid( wxWindow *parent,
3599                  wxWindowID id,
3600                  const wxPoint& pos,
3601                  const wxSize& size,
3602                  long style,
3603                  const wxString& name )
3604   : wxScrolledWindow( parent, id, pos, size, (style | wxWANTS_CHARS), name ),
3605     m_colMinWidths(GRID_HASH_SIZE),
3606     m_rowMinHeights(GRID_HASH_SIZE)
3607 {
3608     Create();
3609 }
3610
3611
3612 wxGrid::~wxGrid()
3613 {
3614     // Must do this or ~wxScrollHelper will pop the wrong event handler
3615     SetTargetWindow(this);
3616     ClearAttrCache();
3617     wxSafeDecRef(m_defaultCellAttr);
3618
3619 #ifdef DEBUG_ATTR_CACHE
3620     size_t total = gs_nAttrCacheHits + gs_nAttrCacheMisses;
3621     wxPrintf(_T("wxGrid attribute cache statistics: "
3622                 "total: %u, hits: %u (%u%%)\n"),
3623              total, gs_nAttrCacheHits,
3624              total ? (gs_nAttrCacheHits*100) / total : 0);
3625 #endif
3626
3627     if (m_ownTable)
3628         delete m_table;
3629
3630     delete m_typeRegistry;
3631     delete m_selection;
3632 }
3633
3634
3635 //
3636 // ----- internal init and update functions
3637 //
3638
3639 void wxGrid::Create()
3640 {
3641     m_created = FALSE;    // set to TRUE by CreateGrid
3642
3643     m_table        = (wxGridTableBase *) NULL;
3644     m_ownTable     = FALSE;
3645
3646     m_cellEditCtrlEnabled = FALSE;
3647
3648     m_defaultCellAttr = new wxGridCellAttr();
3649
3650     // Set default cell attributes
3651     m_defaultCellAttr->SetDefAttr(m_defaultCellAttr);
3652     m_defaultCellAttr->SetKind(wxGridCellAttr::Default);
3653     m_defaultCellAttr->SetFont(GetFont());
3654     m_defaultCellAttr->SetAlignment(wxALIGN_LEFT, wxALIGN_TOP);
3655     m_defaultCellAttr->SetTextColour(
3656         wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
3657     m_defaultCellAttr->SetBackgroundColour(
3658         wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
3659     m_defaultCellAttr->SetRenderer(new wxGridCellStringRenderer);
3660     m_defaultCellAttr->SetEditor(new wxGridCellTextEditor);
3661
3662
3663     m_numRows = 0;
3664     m_numCols = 0;
3665     m_currentCellCoords = wxGridNoCellCoords;
3666
3667     m_rowLabelWidth = WXGRID_DEFAULT_ROW_LABEL_WIDTH;
3668     m_colLabelHeight = WXGRID_DEFAULT_COL_LABEL_HEIGHT;
3669
3670     // create the type registry
3671     m_typeRegistry = new wxGridTypeRegistry;
3672     m_selection = NULL;
3673
3674     // subwindow components that make up the wxGrid
3675     m_cornerLabelWin = new wxGridCornerLabelWindow( this,
3676                                                     -1,
3677                                                     wxDefaultPosition,
3678                                                     wxDefaultSize );
3679
3680     m_rowLabelWin = new wxGridRowLabelWindow( this,
3681                                               -1,
3682                                               wxDefaultPosition,
3683                                               wxDefaultSize );
3684
3685     m_colLabelWin = new wxGridColLabelWindow( this,
3686                                               -1,
3687                                               wxDefaultPosition,
3688                                               wxDefaultSize );
3689
3690     m_gridWin = new wxGridWindow( this,
3691                                   m_rowLabelWin,
3692                                   m_colLabelWin,
3693                                   -1,
3694                                   wxDefaultPosition,
3695                                   wxDefaultSize );
3696
3697     SetTargetWindow( m_gridWin );
3698
3699     Init();
3700 }
3701
3702
3703 bool wxGrid::CreateGrid( int numRows, int numCols,
3704                          wxGrid::wxGridSelectionModes selmode )
3705 {
3706     wxCHECK_MSG( !m_created,
3707                  FALSE,
3708                  wxT("wxGrid::CreateGrid or wxGrid::SetTable called more than once") );
3709
3710     m_numRows = numRows;
3711     m_numCols = numCols;
3712
3713     m_table = new wxGridStringTable( m_numRows, m_numCols );
3714     m_table->SetView( this );
3715     m_ownTable = TRUE;
3716     m_selection = new wxGridSelection( this, selmode );
3717
3718     CalcDimensions();
3719
3720     m_created = TRUE;
3721
3722     return m_created;
3723 }
3724
3725 void wxGrid::SetSelectionMode(wxGrid::wxGridSelectionModes selmode)
3726 {
3727     wxCHECK_RET( m_created,
3728                  wxT("Called wxGrid::SetSelectionMode() before calling CreateGrid()") );
3729
3730     m_selection->SetSelectionMode( selmode );
3731 }
3732
3733 wxGrid::wxGridSelectionModes wxGrid::GetSelectionMode() const
3734 {
3735     wxCHECK_MSG( m_created, wxGrid::wxGridSelectCells,
3736                  wxT("Called wxGrid::GetSelectionMode() before calling CreateGrid()") );
3737
3738     return m_selection->GetSelectionMode();
3739 }
3740
3741 bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership,
3742                        wxGrid::wxGridSelectionModes selmode )
3743 {
3744     if ( m_created )
3745     {
3746         // RD: Actually, this should probably be allowed.  I think it would be
3747         //     nice to be able to switch multiple Tables in and out of a single
3748         //     View at runtime.  Is there anything in the implementation that
3749         //     would prevent this?
3750
3751         // At least, you now have to cope with m_selection
3752         wxFAIL_MSG( wxT("wxGrid::CreateGrid or wxGrid::SetTable called more than once") );
3753         return FALSE;
3754     }
3755     else
3756     {
3757         m_numRows = table->GetNumberRows();
3758         m_numCols = table->GetNumberCols();
3759
3760         m_table = table;
3761         m_table->SetView( this );
3762         if (takeOwnership)
3763             m_ownTable = TRUE;
3764         m_selection = new wxGridSelection( this, selmode );
3765
3766         CalcDimensions();
3767
3768         m_created = TRUE;
3769     }
3770
3771     return m_created;
3772 }
3773
3774
3775 void wxGrid::Init()
3776 {
3777     m_rowLabelWidth  = WXGRID_DEFAULT_ROW_LABEL_WIDTH;
3778     m_colLabelHeight = WXGRID_DEFAULT_COL_LABEL_HEIGHT;
3779
3780     if ( m_rowLabelWin )
3781     {
3782         m_labelBackgroundColour = m_rowLabelWin->GetBackgroundColour();
3783     }
3784     else
3785     {
3786         m_labelBackgroundColour = wxColour( _T("WHITE") );
3787     }
3788
3789     m_labelTextColour = wxColour( _T("BLACK") );
3790
3791     // init attr cache
3792     m_attrCache.row = -1;
3793
3794     // TODO: something better than this ?
3795     //
3796     m_labelFont = this->GetFont();
3797     m_labelFont.SetWeight( m_labelFont.GetWeight() + 2 );
3798
3799     m_rowLabelHorizAlign = wxALIGN_LEFT;
3800     m_rowLabelVertAlign  = wxALIGN_CENTRE;
3801
3802     m_colLabelHorizAlign = wxALIGN_CENTRE;
3803     m_colLabelVertAlign  = wxALIGN_TOP;
3804
3805     m_defaultColWidth  = WXGRID_DEFAULT_COL_WIDTH;
3806     m_defaultRowHeight = m_gridWin->GetCharHeight();
3807
3808 #if defined(__WXMOTIF__) || defined(__WXGTK__)  // see also text ctrl sizing in ShowCellEditControl()
3809     m_defaultRowHeight += 8;
3810 #else
3811     m_defaultRowHeight += 4;
3812 #endif
3813
3814     m_gridLineColour = wxColour( 128, 128, 255 );
3815     m_gridLinesEnabled = TRUE;
3816     m_cellHighlightColour = m_gridLineColour;
3817     m_cellHighlightPenWidth = 2;
3818     m_cellHighlightROPenWidth = 1;
3819
3820     m_cursorMode  = WXGRID_CURSOR_SELECT_CELL;
3821     m_winCapture = (wxWindow *)NULL;
3822     m_canDragRowSize = TRUE;
3823     m_canDragColSize = TRUE;
3824     m_canDragGridSize = TRUE;
3825     m_dragLastPos  = -1;
3826     m_dragRowOrCol = -1;
3827     m_isDragging = FALSE;
3828     m_startDragPos = wxDefaultPosition;
3829
3830     m_waitForSlowClick = FALSE;
3831
3832     m_rowResizeCursor = wxCursor( wxCURSOR_SIZENS );
3833     m_colResizeCursor = wxCursor( wxCURSOR_SIZEWE );
3834
3835     m_currentCellCoords = wxGridNoCellCoords;
3836
3837     m_selectingTopLeft = wxGridNoCellCoords;
3838     m_selectingBottomRight = wxGridNoCellCoords;
3839     m_selectionBackground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
3840     m_selectionForeground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
3841
3842     m_editable = TRUE;  // default for whole grid
3843
3844     m_inOnKeyDown = FALSE;
3845     m_batchCount = 0;
3846
3847     m_extraWidth =
3848     m_extraHeight = 0;
3849 }
3850
3851 // ----------------------------------------------------------------------------
3852 // the idea is to call these functions only when necessary because they create
3853 // quite big arrays which eat memory mostly unnecessary - in particular, if
3854 // default widths/heights are used for all rows/columns, we may not use these
3855 // arrays at all
3856 //
3857 // with some extra code, it should be possible to only store the
3858 // widths/heights different from default ones but this will be done later...
3859 // ----------------------------------------------------------------------------
3860
3861 void wxGrid::InitRowHeights()
3862 {
3863     m_rowHeights.Empty();
3864     m_rowBottoms.Empty();
3865
3866     m_rowHeights.Alloc( m_numRows );
3867     m_rowBottoms.Alloc( m_numRows );
3868
3869     int rowBottom = 0;
3870
3871     m_rowHeights.Add( m_defaultRowHeight, m_numRows );
3872
3873     for ( int i = 0;  i < m_numRows;  i++ )
3874     {
3875         rowBottom += m_defaultRowHeight;
3876         m_rowBottoms.Add( rowBottom );
3877     }
3878 }
3879
3880 void wxGrid::InitColWidths()
3881 {
3882     m_colWidths.Empty();
3883     m_colRights.Empty();
3884
3885     m_colWidths.Alloc( m_numCols );
3886     m_colRights.Alloc( m_numCols );
3887     int colRight = 0;
3888
3889     m_colWidths.Add( m_defaultColWidth, m_numCols );
3890
3891     for ( int i = 0;  i < m_numCols;  i++ )
3892     {
3893         colRight += m_defaultColWidth;
3894         m_colRights.Add( colRight );
3895     }
3896 }
3897
3898 int wxGrid::GetColWidth(int col) const
3899 {
3900     return m_colWidths.IsEmpty() ? m_defaultColWidth : m_colWidths[col];
3901 }
3902
3903 int wxGrid::GetColLeft(int col) const
3904 {
3905     return m_colRights.IsEmpty() ? col * m_defaultColWidth
3906                                  : m_colRights[col] - m_colWidths[col];
3907 }
3908
3909 int wxGrid::GetColRight(int col) const
3910 {
3911     return m_colRights.IsEmpty() ? (col + 1) * m_defaultColWidth
3912                                  : m_colRights[col];
3913 }
3914
3915 int wxGrid::GetRowHeight(int row) const
3916 {
3917     return m_rowHeights.IsEmpty() ? m_defaultRowHeight : m_rowHeights[row];
3918 }
3919
3920 int wxGrid::GetRowTop(int row) const
3921 {
3922     return m_rowBottoms.IsEmpty() ? row * m_defaultRowHeight
3923                                   : m_rowBottoms[row] - m_rowHeights[row];
3924 }
3925
3926 int wxGrid::GetRowBottom(int row) const
3927 {
3928     return m_rowBottoms.IsEmpty() ? (row + 1) * m_defaultRowHeight
3929                                   : m_rowBottoms[row];
3930 }
3931
3932 void wxGrid::CalcDimensions()
3933 {
3934     int cw, ch;
3935     GetClientSize( &cw, &ch );
3936
3937     if ( m_rowLabelWin->IsShown() )
3938         cw -= m_rowLabelWidth;
3939     if ( m_colLabelWin->IsShown() )
3940         ch -= m_colLabelHeight;
3941
3942     // grid total size
3943     int w = m_numCols > 0 ? GetColRight(m_numCols - 1) + m_extraWidth + 1 : 0;
3944     int h = m_numRows > 0 ? GetRowBottom(m_numRows - 1) + m_extraHeight + 1 : 0;
3945
3946     // preserve (more or less) the previous position
3947     int x, y;
3948     GetViewStart( &x, &y );
3949
3950     // maybe we don't need scrollbars at all?
3951     //
3952     // also adjust the position to be valid for the new scroll rangs
3953     if ( w <= cw )
3954     {
3955         w = x = 0;
3956     }
3957     else
3958     {
3959         if ( x >= w )
3960             x = w - 1;
3961     }
3962
3963     if ( h <= ch )
3964     {
3965         h = y = 0;
3966     }
3967     else
3968     {
3969         if ( y >= h )
3970             y = h - 1;
3971     }
3972
3973     // do set scrollbar parameters
3974     SetScrollbars( GRID_SCROLL_LINE_X, GRID_SCROLL_LINE_Y,
3975                    GetScrollX(w), GetScrollY(h), x, y,
3976                    GetBatchCount() != 0);
3977
3978     // if our OnSize() hadn't been called (it would if we have scrollbars), we
3979     // still must reposition the children
3980     CalcWindowSizes();
3981 }
3982
3983
3984 void wxGrid::CalcWindowSizes()
3985 {
3986     int cw, ch;
3987     GetClientSize( &cw, &ch );
3988
3989     if ( m_cornerLabelWin->IsShown() )
3990         m_cornerLabelWin->SetSize( 0, 0, m_rowLabelWidth, m_colLabelHeight );
3991
3992     if ( m_colLabelWin->IsShown() )
3993         m_colLabelWin->SetSize( m_rowLabelWidth, 0, cw-m_rowLabelWidth, m_colLabelHeight);
3994
3995     if ( m_rowLabelWin->IsShown() )
3996         m_rowLabelWin->SetSize( 0, m_colLabelHeight, m_rowLabelWidth, ch-m_colLabelHeight);
3997
3998     if ( m_gridWin->IsShown() )
3999         m_gridWin->SetSize( m_rowLabelWidth, m_colLabelHeight, cw-m_rowLabelWidth, ch-m_colLabelHeight);
4000 }
4001
4002
4003 // this is called when the grid table sends a message to say that it
4004 // has been redimensioned
4005 //
4006 bool wxGrid::Redimension( wxGridTableMessage& msg )
4007 {
4008     int i;
4009     bool result = FALSE;
4010
4011     // Clear the attribute cache as the attribute might refer to a different
4012     // cell than stored in the cache after adding/removing rows/columns.
4013     ClearAttrCache();
4014     // By the same reasoning, the editor should be dismissed if columns are
4015     // added or removed. And for consistency, it should IMHO always be
4016     // removed, not only if the cell "underneath" it actually changes.
4017     // For now, I intentionally do not save the editor's content as the
4018     // cell it might want to save that stuff to might no longer exist.
4019     HideCellEditControl();
4020 #if 0
4021     // if we were using the default widths/heights so far, we must change them
4022     // now
4023     if ( m_colWidths.IsEmpty() )
4024     {
4025         InitColWidths();
4026     }
4027
4028     if ( m_rowHeights.IsEmpty() )
4029     {
4030         InitRowHeights();
4031     }
4032 #endif
4033
4034     switch ( msg.GetId() )
4035     {
4036         case wxGRIDTABLE_NOTIFY_ROWS_INSERTED:
4037         {
4038             size_t pos = msg.GetCommandInt();
4039             int numRows = msg.GetCommandInt2();
4040
4041             m_numRows += numRows;
4042
4043             if ( !m_rowHeights.IsEmpty() )
4044             {
4045                 m_rowHeights.Insert( m_defaultRowHeight, pos, numRows );
4046                 m_rowBottoms.Insert( 0, pos, numRows );
4047
4048                 int bottom = 0;
4049                 if ( pos > 0 ) bottom = m_rowBottoms[pos-1];
4050
4051                 for ( i = pos;  i < m_numRows;  i++ )
4052                 {
4053                     bottom += m_rowHeights[i];
4054                     m_rowBottoms[i] = bottom;
4055                 }
4056             }
4057             if ( m_currentCellCoords == wxGridNoCellCoords )
4058             {
4059                 // if we have just inserted cols into an empty grid the current
4060                 // cell will be undefined...
4061                 //
4062                 SetCurrentCell( 0, 0 );
4063             }
4064
4065             if ( m_selection )
4066                 m_selection->UpdateRows( pos, numRows );
4067             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
4068             if (attrProvider)
4069                 attrProvider->UpdateAttrRows( pos, numRows );
4070
4071             if ( !GetBatchCount() )
4072             {
4073                 CalcDimensions();
4074                 m_rowLabelWin->Refresh();
4075             }
4076         }
4077         result = TRUE;
4078         break;
4079
4080         case wxGRIDTABLE_NOTIFY_ROWS_APPENDED:
4081         {
4082             int numRows = msg.GetCommandInt();
4083             int oldNumRows = m_numRows;
4084             m_numRows += numRows;
4085
4086             if ( !m_rowHeights.IsEmpty() )
4087             {
4088                 m_rowHeights.Add( m_defaultRowHeight, numRows );
4089                 m_rowBottoms.Add( 0, numRows );
4090
4091                 int bottom = 0;
4092                 if ( oldNumRows > 0 ) bottom = m_rowBottoms[oldNumRows-1];
4093
4094                 for ( i = oldNumRows;  i < m_numRows;  i++ )
4095                 {
4096                     bottom += m_rowHeights[i];
4097                     m_rowBottoms[i] = bottom;
4098                 }
4099             }
4100             if ( m_currentCellCoords == wxGridNoCellCoords )
4101             {
4102                 // if we have just inserted cols into an empty grid the current
4103                 // cell will be undefined...
4104                 //
4105                 SetCurrentCell( 0, 0 );
4106             }
4107             if ( !GetBatchCount() )
4108             {
4109                 CalcDimensions();
4110                 m_rowLabelWin->Refresh();
4111             }
4112         }
4113         result = TRUE;
4114         break;
4115
4116         case wxGRIDTABLE_NOTIFY_ROWS_DELETED:
4117         {
4118             size_t pos = msg.GetCommandInt();
4119             int numRows = msg.GetCommandInt2();
4120             m_numRows -= numRows;
4121
4122             if ( !m_rowHeights.IsEmpty() )
4123             {
4124                 m_rowHeights.RemoveAt( pos, numRows );
4125                 m_rowBottoms.RemoveAt( pos, numRows );
4126
4127                 int h = 0;
4128                 for ( i = 0;  i < m_numRows;  i++ )
4129                 {
4130                     h += m_rowHeights[i];
4131                     m_rowBottoms[i] = h;
4132                 }
4133             }
4134             if ( !m_numRows )
4135             {
4136                 m_currentCellCoords = wxGridNoCellCoords;
4137             }
4138             else
4139             {
4140                 if ( m_currentCellCoords.GetRow() >= m_numRows )
4141                     m_currentCellCoords.Set( 0, 0 );
4142             }
4143
4144             if ( m_selection )
4145                 m_selection->UpdateRows( pos, -((int)numRows) );
4146             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
4147             if (attrProvider) {
4148                 attrProvider->UpdateAttrRows( pos, -((int)numRows) );
4149 // ifdef'd out following patch from Paul Gammans
4150 #if 0
4151                 // No need to touch column attributes, unless we
4152                 // removed _all_ rows, in this case, we remove
4153                 // all column attributes.
4154                 // I hate to do this here, but the
4155                 // needed data is not available inside UpdateAttrRows.
4156                 if ( !GetNumberRows() )
4157                     attrProvider->UpdateAttrCols( 0, -GetNumberCols() );
4158 #endif
4159             }
4160             if ( !GetBatchCount() )
4161             {
4162                 CalcDimensions();
4163                 m_rowLabelWin->Refresh();
4164             }
4165         }
4166         result = TRUE;
4167         break;
4168
4169         case wxGRIDTABLE_NOTIFY_COLS_INSERTED:
4170         {
4171             size_t pos = msg.GetCommandInt();
4172             int numCols = msg.GetCommandInt2();
4173             m_numCols += numCols;
4174
4175             if ( !m_colWidths.IsEmpty() )
4176             {
4177                 m_colWidths.Insert( m_defaultColWidth, pos, numCols );
4178                 m_colRights.Insert( 0, pos, numCols );
4179
4180                 int right = 0;
4181                 if ( pos > 0 ) right = m_colRights[pos-1];
4182
4183                 for ( i = pos;  i < m_numCols;  i++ )
4184                 {
4185                     right += m_colWidths[i];
4186                     m_colRights[i] = right;
4187                 }
4188             }
4189             if ( m_currentCellCoords == wxGridNoCellCoords )
4190             {
4191                 // if we have just inserted cols into an empty grid the current
4192                 // cell will be undefined...
4193                 //
4194                 SetCurrentCell( 0, 0 );
4195             }
4196
4197             if ( m_selection )
4198                 m_selection->UpdateCols( pos, numCols );
4199             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
4200             if (attrProvider)
4201                 attrProvider->UpdateAttrCols( pos, numCols );
4202             if ( !GetBatchCount() )
4203             {
4204                 CalcDimensions();
4205                 m_colLabelWin->Refresh();
4206             }
4207
4208         }
4209         result = TRUE;
4210         break;
4211
4212         case wxGRIDTABLE_NOTIFY_COLS_APPENDED:
4213         {
4214             int numCols = msg.GetCommandInt();
4215             int oldNumCols = m_numCols;
4216             m_numCols += numCols;
4217             if ( !m_colWidths.IsEmpty() )
4218             {
4219                 m_colWidths.Add( m_defaultColWidth, numCols );
4220                 m_colRights.Add( 0, numCols );
4221
4222                 int right = 0;
4223                 if ( oldNumCols > 0 ) right = m_colRights[oldNumCols-1];
4224
4225                 for ( i = oldNumCols;  i < m_numCols;  i++ )
4226                 {
4227                     right += m_colWidths[i];
4228                     m_colRights[i] = right;
4229                 }
4230             }
4231             if ( m_currentCellCoords == wxGridNoCellCoords )
4232             {
4233                 // if we have just inserted cols into an empty grid the current
4234                 // cell will be undefined...
4235                 //
4236                 SetCurrentCell( 0, 0 );
4237             }
4238             if ( !GetBatchCount() )
4239             {
4240                 CalcDimensions();
4241                 m_colLabelWin->Refresh();
4242             }
4243         }
4244         result = TRUE;
4245         break;
4246
4247         case wxGRIDTABLE_NOTIFY_COLS_DELETED:
4248         {
4249             size_t pos = msg.GetCommandInt();
4250             int numCols = msg.GetCommandInt2();
4251             m_numCols -= numCols;
4252
4253             if ( !m_colWidths.IsEmpty() )
4254             {
4255                 m_colWidths.RemoveAt( pos, numCols );
4256                 m_colRights.RemoveAt( pos, numCols );
4257
4258                 int w = 0;
4259                 for ( i = 0;  i < m_numCols;  i++ )
4260                 {
4261                     w += m_colWidths[i];
4262                     m_colRights[i] = w;
4263                 }
4264             }
4265             if ( !m_numCols )
4266             {
4267                 m_currentCellCoords = wxGridNoCellCoords;
4268             }
4269             else
4270             {
4271                 if ( m_currentCellCoords.GetCol() >= m_numCols )
4272                   m_currentCellCoords.Set( 0, 0 );
4273             }
4274
4275             if ( m_selection )
4276                 m_selection->UpdateCols( pos, -((int)numCols) );
4277             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
4278             if (attrProvider) {
4279                 attrProvider->UpdateAttrCols( pos, -((int)numCols) );
4280 // ifdef'd out following patch from Paul Gammans
4281 #if 0
4282                 // No need to touch row attributes, unless we
4283                 // removed _all_ columns, in this case, we remove
4284                 // all row attributes.
4285                 // I hate to do this here, but the
4286                 // needed data is not available inside UpdateAttrCols.
4287                 if ( !GetNumberCols() )
4288                     attrProvider->UpdateAttrRows( 0, -GetNumberRows() );
4289 #endif
4290             }
4291             if ( !GetBatchCount() )
4292             {
4293                 CalcDimensions();
4294                 m_colLabelWin->Refresh();
4295             }
4296         }
4297         result = TRUE;
4298         break;
4299     }
4300
4301     if (result && !GetBatchCount() )
4302         m_gridWin->Refresh();
4303     return result;
4304 }
4305
4306
4307 wxArrayInt wxGrid::CalcRowLabelsExposed( const wxRegion& reg )
4308 {
4309     wxRegionIterator iter( reg );
4310     wxRect r;
4311
4312     wxArrayInt  rowlabels;
4313
4314     int top, bottom;
4315     while ( iter )
4316     {
4317         r = iter.GetRect();
4318
4319         // TODO: remove this when we can...
4320         // There is a bug in wxMotif that gives garbage update
4321         // rectangles if you jump-scroll a long way by clicking the
4322         // scrollbar with middle button.  This is a work-around
4323         //
4324 #if defined(__WXMOTIF__)
4325         int cw, ch;
4326         m_gridWin->GetClientSize( &cw, &ch );
4327         if ( r.GetTop() > ch ) r.SetTop( 0 );
4328         r.SetBottom( wxMin( r.GetBottom(), ch ) );
4329 #endif
4330
4331         // logical bounds of update region
4332         //
4333         int dummy;
4334         CalcUnscrolledPosition( 0, r.GetTop(), &dummy, &top );
4335         CalcUnscrolledPosition( 0, r.GetBottom(), &dummy, &bottom );
4336
4337         // find the row labels within these bounds
4338         //
4339         int row;
4340         for ( row = internalYToRow(top);  row < m_numRows;  row++ )
4341         {
4342             if ( GetRowBottom(row) < top )
4343                 continue;
4344
4345             if ( GetRowTop(row) > bottom )
4346                 break;
4347
4348             rowlabels.Add( row );
4349         }
4350
4351         iter++ ;
4352     }
4353
4354     return rowlabels;
4355 }
4356
4357
4358 wxArrayInt wxGrid::CalcColLabelsExposed( const wxRegion& reg )
4359 {
4360     wxRegionIterator iter( reg );
4361     wxRect r;
4362
4363     wxArrayInt colLabels;
4364
4365     int left, right;
4366     while ( iter )
4367     {
4368         r = iter.GetRect();
4369
4370         // TODO: remove this when we can...
4371         // There is a bug in wxMotif that gives garbage update
4372         // rectangles if you jump-scroll a long way by clicking the
4373         // scrollbar with middle button.  This is a work-around
4374         //
4375 #if defined(__WXMOTIF__)
4376         int cw, ch;
4377         m_gridWin->GetClientSize( &cw, &ch );
4378         if ( r.GetLeft() > cw ) r.SetLeft( 0 );
4379         r.SetRight( wxMin( r.GetRight(), cw ) );
4380 #endif
4381
4382         // logical bounds of update region
4383         //
4384         int dummy;
4385         CalcUnscrolledPosition( r.GetLeft(), 0, &left, &dummy );
4386         CalcUnscrolledPosition( r.GetRight(), 0, &right, &dummy );
4387
4388         // find the cells within these bounds
4389         //
4390         int col;
4391         for ( col = internalXToCol(left);  col < m_numCols;  col++ )
4392         {
4393             if ( GetColRight(col) < left )
4394                 continue;
4395
4396             if ( GetColLeft(col) > right )
4397                 break;
4398
4399             colLabels.Add( col );
4400         }
4401
4402         iter++ ;
4403     }
4404     return colLabels;
4405 }
4406
4407
4408 wxGridCellCoordsArray wxGrid::CalcCellsExposed( const wxRegion& reg )
4409 {
4410     wxRegionIterator iter( reg );
4411     wxRect r;
4412
4413     wxGridCellCoordsArray  cellsExposed;
4414
4415     int left, top, right, bottom;
4416     while ( iter )
4417     {
4418         r = iter.GetRect();
4419
4420         // TODO: remove this when we can...
4421         // There is a bug in wxMotif that gives garbage update
4422         // rectangles if you jump-scroll a long way by clicking the
4423         // scrollbar with middle button.  This is a work-around
4424         //
4425 #if defined(__WXMOTIF__)
4426         int cw, ch;
4427         m_gridWin->GetClientSize( &cw, &ch );
4428         if ( r.GetTop() > ch ) r.SetTop( 0 );
4429         if ( r.GetLeft() > cw ) r.SetLeft( 0 );
4430         r.SetRight( wxMin( r.GetRight(), cw ) );
4431         r.SetBottom( wxMin( r.GetBottom(), ch ) );
4432 #endif
4433
4434         // logical bounds of update region
4435         //
4436         CalcUnscrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
4437         CalcUnscrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
4438
4439         // find the cells within these bounds
4440         //
4441         int row, col;
4442         for ( row = internalYToRow(top);  row < m_numRows;  row++ )
4443         {
4444             if ( GetRowBottom(row) <= top )
4445                 continue;
4446
4447             if ( GetRowTop(row) > bottom )
4448                 break;
4449
4450             for ( col = internalXToCol(left);  col < m_numCols;  col++ )
4451             {
4452                 if ( GetColRight(col) <= left )
4453                     continue;
4454
4455                 if ( GetColLeft(col) > right )
4456                     break;
4457
4458                 cellsExposed.Add( wxGridCellCoords( row, col ) );
4459             }
4460         }
4461
4462         iter++;
4463     }
4464
4465     return cellsExposed;
4466 }
4467
4468
4469 void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
4470 {
4471     int x, y, row;
4472     wxPoint pos( event.GetPosition() );
4473     CalcUnscrolledPosition( pos.x, pos.y, &x, &y );
4474
4475     if ( event.Dragging() )
4476     {
4477         if (!m_isDragging)
4478         {
4479             m_isDragging = TRUE;
4480             m_rowLabelWin->CaptureMouse();
4481         }
4482
4483         if ( event.LeftIsDown() )
4484         {
4485             switch( m_cursorMode )
4486             {
4487                 case WXGRID_CURSOR_RESIZE_ROW:
4488                 {
4489                     int cw, ch, left, dummy;
4490                     m_gridWin->GetClientSize( &cw, &ch );
4491                     CalcUnscrolledPosition( 0, 0, &left, &dummy );
4492
4493                     wxClientDC dc( m_gridWin );
4494                     PrepareDC( dc );
4495                     y = wxMax( y,
4496                                GetRowTop(m_dragRowOrCol) +
4497                                GetRowMinimalHeight(m_dragRowOrCol) );
4498                     dc.SetLogicalFunction(wxINVERT);
4499                     if ( m_dragLastPos >= 0 )
4500                     {
4501                         dc.DrawLine( left, m_dragLastPos, left+cw, m_dragLastPos );
4502                     }
4503                     dc.DrawLine( left, y, left+cw, y );
4504                     m_dragLastPos = y;
4505                 }
4506                 break;
4507
4508                 case WXGRID_CURSOR_SELECT_ROW:
4509                     if ( (row = YToRow( y )) >= 0 )
4510                     {
4511                         if ( m_selection )
4512                         {
4513                             m_selection->SelectRow( row,
4514                                                     event.ControlDown(),
4515                                                     event.ShiftDown(),
4516                                                     event.AltDown(),
4517                                                     event.MetaDown() );
4518                         }
4519                     }
4520
4521                 // default label to suppress warnings about "enumeration value
4522                 // 'xxx' not handled in switch
4523                 default:
4524                     break;
4525             }
4526         }
4527         return;
4528     }
4529
4530     if ( m_isDragging && (event.Entering() || event.Leaving()) )
4531         return;
4532
4533     if (m_isDragging)
4534     {
4535         if (m_rowLabelWin->HasCapture()) m_rowLabelWin->ReleaseMouse();
4536         m_isDragging = FALSE;
4537     }
4538
4539     // ------------ Entering or leaving the window
4540     //
4541     if ( event.Entering() || event.Leaving() )
4542     {
4543         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin);
4544     }
4545
4546
4547     // ------------ Left button pressed
4548     //
4549     else if ( event.LeftDown() )
4550     {
4551         // don't send a label click event for a hit on the
4552         // edge of the row label - this is probably the user
4553         // wanting to resize the row
4554         //
4555         if ( YToEdgeOfRow(y) < 0 )
4556         {
4557             row = YToRow(y);
4558             if ( row >= 0  &&
4559                  !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, row, -1, event ) )
4560             {
4561                 if ( !event.ShiftDown() && !event.ControlDown() )
4562                     ClearSelection();
4563                 if ( m_selection )
4564                 {
4565                     if ( event.ShiftDown() )
4566                     {
4567                         m_selection->SelectBlock( m_currentCellCoords.GetRow(),
4568                                                   0,
4569                                                   row,
4570                                                   GetNumberCols() - 1,
4571                                                   event.ControlDown(),
4572                                                   event.ShiftDown(),
4573                                                   event.AltDown(),
4574                                                   event.MetaDown() );
4575                     }
4576                     else
4577                     {
4578                         m_selection->SelectRow( row,
4579                                                 event.ControlDown(),
4580                                                 event.ShiftDown(),
4581                                                 event.AltDown(),
4582                                                 event.MetaDown() );
4583                     }
4584                 }
4585
4586                 ChangeCursorMode(WXGRID_CURSOR_SELECT_ROW, m_rowLabelWin);
4587             }
4588         }
4589         else
4590         {
4591             // starting to drag-resize a row
4592             //
4593             if ( CanDragRowSize() )
4594                 ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, m_rowLabelWin);
4595         }
4596     }
4597
4598
4599     // ------------ Left double click
4600     //
4601     else if (event.LeftDClick() )
4602     {
4603         if ( YToEdgeOfRow(y) < 0 )
4604         {
4605             row = YToRow(y);
4606             SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, row, -1, event );
4607         }
4608     }
4609
4610
4611     // ------------ Left button released
4612     //
4613     else if ( event.LeftUp() )
4614     {
4615         if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
4616         {
4617             DoEndDragResizeRow();
4618
4619             // Note: we are ending the event *after* doing
4620             // default processing in this case
4621             //
4622             SendEvent( wxEVT_GRID_ROW_SIZE, m_dragRowOrCol, -1, event );
4623         }
4624
4625         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin);
4626         m_dragLastPos = -1;
4627     }
4628
4629
4630     // ------------ Right button down
4631     //
4632     else if ( event.RightDown() )
4633     {
4634         row = YToRow(y);
4635         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, row, -1, event ) )
4636         {
4637             // no default action at the moment
4638         }
4639     }
4640
4641
4642     // ------------ Right double click
4643     //
4644     else if ( event.RightDClick() )
4645     {
4646         row = YToRow(y);
4647         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, row, -1, event ) )
4648         {
4649             // no default action at the moment
4650         }
4651     }
4652
4653
4654     // ------------ No buttons down and mouse moving
4655     //
4656     else if ( event.Moving() )
4657     {
4658         m_dragRowOrCol = YToEdgeOfRow( y );
4659         if ( m_dragRowOrCol >= 0 )
4660         {
4661             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
4662             {
4663                 // don't capture the mouse yet
4664                 if ( CanDragRowSize() )
4665                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, m_rowLabelWin, FALSE);
4666             }
4667         }
4668         else if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
4669         {
4670             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin, FALSE);
4671         }
4672     }
4673 }
4674
4675
4676 void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
4677 {
4678     int x, y, col;
4679     wxPoint pos( event.GetPosition() );
4680     CalcUnscrolledPosition( pos.x, pos.y, &x, &y );
4681
4682     if ( event.Dragging() )
4683     {
4684         if (!m_isDragging)
4685         {
4686             m_isDragging = TRUE;
4687             m_colLabelWin->CaptureMouse();
4688         }
4689
4690         if ( event.LeftIsDown() )
4691         {
4692             switch( m_cursorMode )
4693             {
4694                 case WXGRID_CURSOR_RESIZE_COL:
4695                 {
4696                     int cw, ch, dummy, top;
4697                     m_gridWin->GetClientSize( &cw, &ch );
4698                     CalcUnscrolledPosition( 0, 0, &dummy, &top );
4699
4700                     wxClientDC dc( m_gridWin );
4701                     PrepareDC( dc );
4702
4703                     x = wxMax( x, GetColLeft(m_dragRowOrCol) +
4704                                   GetColMinimalWidth(m_dragRowOrCol));
4705                     dc.SetLogicalFunction(wxINVERT);
4706                     if ( m_dragLastPos >= 0 )
4707                     {
4708                         dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top+ch );
4709                     }
4710                     dc.DrawLine( x, top, x, top+ch );
4711                     m_dragLastPos = x;
4712                 }
4713                 break;
4714
4715                 case WXGRID_CURSOR_SELECT_COL:
4716                     if ( (col = XToCol( x )) >= 0 )
4717                     {
4718                         if ( m_selection )
4719                         {
4720                             m_selection->SelectCol( col,
4721                                                     event.ControlDown(),
4722                                                     event.ShiftDown(),
4723                                                     event.AltDown(),
4724                                                     event.MetaDown() );
4725                         }
4726                     }
4727
4728                 // default label to suppress warnings about "enumeration value
4729                 // 'xxx' not handled in switch
4730                 default:
4731                     break;
4732             }
4733         }
4734         return;
4735     }
4736
4737     if ( m_isDragging && (event.Entering() || event.Leaving()) )
4738         return;
4739
4740     if (m_isDragging)
4741     {
4742         if (m_colLabelWin->HasCapture()) m_colLabelWin->ReleaseMouse();
4743         m_isDragging = FALSE;
4744     }
4745
4746     // ------------ Entering or leaving the window
4747     //
4748     if ( event.Entering() || event.Leaving() )
4749     {
4750         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin);
4751     }
4752
4753
4754     // ------------ Left button pressed
4755     //
4756     else if ( event.LeftDown() )
4757     {
4758         // don't send a label click event for a hit on the
4759         // edge of the col label - this is probably the user
4760         // wanting to resize the col
4761         //
4762         if ( XToEdgeOfCol(x) < 0 )
4763         {
4764             col = XToCol(x);
4765             if ( col >= 0  &&
4766                  !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, -1, col, event ) )
4767             {
4768                 if ( !event.ShiftDown() && !event.ControlDown() )
4769                     ClearSelection();
4770                 if ( m_selection )
4771                 {
4772                     if ( event.ShiftDown() )
4773                     {
4774                         m_selection->SelectBlock( 0,
4775                                                   m_currentCellCoords.GetCol(),
4776                                                   GetNumberRows() - 1, col,
4777                                                   event.ControlDown(),
4778                                                   event.ShiftDown(),
4779                                                   event.AltDown(),
4780                                                   event.MetaDown() );
4781                     }
4782                     else
4783                     {
4784                         m_selection->SelectCol( col,
4785                                                 event.ControlDown(),
4786                                                 event.ShiftDown(),
4787                                                 event.AltDown(),
4788                                                 event.MetaDown() );
4789                     }
4790                 }
4791
4792                 ChangeCursorMode(WXGRID_CURSOR_SELECT_COL, m_colLabelWin);
4793             }
4794         }
4795         else
4796         {
4797             // starting to drag-resize a col
4798             //
4799             if ( CanDragColSize() )
4800                 ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, m_colLabelWin);
4801         }
4802     }
4803
4804
4805     // ------------ Left double click
4806     //
4807     if ( event.LeftDClick() )
4808     {
4809         if ( XToEdgeOfCol(x) < 0 )
4810         {
4811             col = XToCol(x);
4812             SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, -1, col, event );
4813         }
4814     }
4815
4816
4817     // ------------ Left button released
4818     //
4819     else if ( event.LeftUp() )
4820     {
4821         if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL )
4822         {
4823             DoEndDragResizeCol();
4824
4825             // Note: we are ending the event *after* doing
4826             // default processing in this case
4827             //
4828             SendEvent( wxEVT_GRID_COL_SIZE, -1, m_dragRowOrCol, event );
4829         }
4830
4831         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin);
4832         m_dragLastPos  = -1;
4833     }
4834
4835
4836     // ------------ Right button down
4837     //
4838     else if ( event.RightDown() )
4839     {
4840         col = XToCol(x);
4841         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, -1, col, event ) )
4842         {
4843             // no default action at the moment
4844         }
4845     }
4846
4847
4848     // ------------ Right double click
4849     //
4850     else if ( event.RightDClick() )
4851     {
4852         col = XToCol(x);
4853         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, -1, col, event ) )
4854         {
4855             // no default action at the moment
4856         }
4857     }
4858
4859
4860     // ------------ No buttons down and mouse moving
4861     //
4862     else if ( event.Moving() )
4863     {
4864         m_dragRowOrCol = XToEdgeOfCol( x );
4865         if ( m_dragRowOrCol >= 0 )
4866         {
4867             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
4868             {
4869                 // don't capture the cursor yet
4870                 if ( CanDragColSize() )
4871                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, m_colLabelWin, FALSE);
4872             }
4873         }
4874         else if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
4875         {
4876             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin, FALSE);
4877         }
4878     }
4879 }
4880
4881
4882 void wxGrid::ProcessCornerLabelMouseEvent( wxMouseEvent& event )
4883 {
4884     if ( event.LeftDown() )
4885     {
4886         // indicate corner label by having both row and
4887         // col args == -1
4888         //
4889         if ( !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, -1, -1, event ) )
4890         {
4891             SelectAll();
4892         }
4893     }
4894
4895     else if ( event.LeftDClick() )
4896     {
4897         SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, -1, -1, event );
4898     }
4899
4900     else if ( event.RightDown() )
4901     {
4902         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, -1, -1, event ) )
4903         {
4904             // no default action at the moment
4905         }
4906     }
4907
4908     else if ( event.RightDClick() )
4909     {
4910         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, -1, -1, event ) )
4911         {
4912             // no default action at the moment
4913         }
4914     }
4915 }
4916
4917 void wxGrid::ChangeCursorMode(CursorMode mode,
4918                               wxWindow *win,
4919                               bool captureMouse)
4920 {
4921 #ifdef __WXDEBUG__
4922     static const wxChar *cursorModes[] =
4923     {
4924         _T("SELECT_CELL"),
4925         _T("RESIZE_ROW"),
4926         _T("RESIZE_COL"),
4927         _T("SELECT_ROW"),
4928         _T("SELECT_COL")
4929     };
4930
4931     wxLogTrace(_T("grid"),
4932                _T("wxGrid cursor mode (mouse capture for %s): %s -> %s"),
4933                win == m_colLabelWin ? _T("colLabelWin")
4934                                     : win ? _T("rowLabelWin")
4935                                           : _T("gridWin"),
4936                cursorModes[m_cursorMode], cursorModes[mode]);
4937 #endif // __WXDEBUG__
4938
4939     if ( mode == m_cursorMode &&
4940          win == m_winCapture &&
4941          captureMouse == (m_winCapture != NULL))
4942         return;
4943
4944     if ( !win )
4945     {
4946         // by default use the grid itself
4947         win = m_gridWin;
4948     }
4949
4950     if ( m_winCapture )
4951     {
4952         if (m_winCapture->HasCapture()) m_winCapture->ReleaseMouse();
4953         m_winCapture = (wxWindow *)NULL;
4954     }
4955
4956     m_cursorMode = mode;
4957
4958     switch ( m_cursorMode )
4959     {
4960         case WXGRID_CURSOR_RESIZE_ROW:
4961             win->SetCursor( m_rowResizeCursor );
4962             break;
4963
4964         case WXGRID_CURSOR_RESIZE_COL:
4965             win->SetCursor( m_colResizeCursor );
4966             break;
4967
4968         default:
4969             win->SetCursor( *wxSTANDARD_CURSOR );
4970     }
4971
4972     // we need to capture mouse when resizing
4973     bool resize = m_cursorMode == WXGRID_CURSOR_RESIZE_ROW ||
4974                   m_cursorMode == WXGRID_CURSOR_RESIZE_COL;
4975
4976     if ( captureMouse && resize )
4977     {
4978         win->CaptureMouse();
4979         m_winCapture = win;
4980     }
4981 }
4982
4983 void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
4984 {
4985     int x, y;
4986     wxPoint pos( event.GetPosition() );
4987     CalcUnscrolledPosition( pos.x, pos.y, &x, &y );
4988
4989     wxGridCellCoords coords;
4990     XYToCell( x, y, coords );
4991
4992     int cell_rows, cell_cols;
4993     GetCellSize( coords.GetRow(), coords.GetCol(), &cell_rows, &cell_cols );
4994     if ((cell_rows < 0) || (cell_cols < 0))
4995     {
4996         coords.SetRow(coords.GetRow() + cell_rows);
4997         coords.SetCol(coords.GetCol() + cell_cols);
4998     }
4999
5000     if ( event.Dragging() )
5001     {
5002         //wxLogDebug("pos(%d, %d) coords(%d, %d)", pos.x, pos.y, coords.GetRow(), coords.GetCol());
5003
5004         // Don't start doing anything until the mouse has been drug at
5005         // least 3 pixels in any direction...
5006         if (! m_isDragging)
5007         {
5008             if (m_startDragPos == wxDefaultPosition)
5009             {
5010                 m_startDragPos = pos;
5011                 return;
5012             }
5013             if (abs(m_startDragPos.x - pos.x) < 4 && abs(m_startDragPos.y - pos.y) < 4)
5014                 return;
5015         }
5016
5017         m_isDragging = TRUE;
5018         if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5019         {
5020             // Hide the edit control, so it
5021             // won't interfer with drag-shrinking.
5022             if ( IsCellEditControlShown() )
5023             {
5024                 HideCellEditControl();
5025                 SaveEditControlValue();
5026             }
5027
5028             // Have we captured the mouse yet?
5029             if (! m_winCapture)
5030             {
5031                 m_winCapture = m_gridWin;
5032                 m_winCapture->CaptureMouse();
5033             }
5034
5035             if ( coords != wxGridNoCellCoords )
5036             {
5037                 if ( event.ControlDown() )
5038                 {
5039                     if ( m_selectingKeyboard == wxGridNoCellCoords)
5040                         m_selectingKeyboard = coords;
5041                     HighlightBlock ( m_selectingKeyboard, coords );
5042                 }
5043                 else
5044                 {
5045                     if ( !IsSelection() )
5046                     {
5047                         HighlightBlock( coords, coords );
5048                     }
5049                     else
5050                     {
5051                         HighlightBlock( m_currentCellCoords, coords );
5052                     }
5053                 }
5054
5055                 if (! IsVisible(coords))
5056                 {
5057                     MakeCellVisible(coords);
5058                     // TODO: need to introduce a delay or something here.  The
5059                     // scrolling is way to fast, at least on MSW - also on GTK.
5060                 }
5061             }
5062         }
5063         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
5064         {
5065             int cw, ch, left, dummy;
5066             m_gridWin->GetClientSize( &cw, &ch );
5067             CalcUnscrolledPosition( 0, 0, &left, &dummy );
5068
5069             wxClientDC dc( m_gridWin );
5070             PrepareDC( dc );
5071             y = wxMax( y, GetRowTop(m_dragRowOrCol) +
5072                           GetRowMinimalHeight(m_dragRowOrCol) );
5073             dc.SetLogicalFunction(wxINVERT);
5074             if ( m_dragLastPos >= 0 )
5075             {
5076                 dc.DrawLine( left, m_dragLastPos, left+cw, m_dragLastPos );
5077             }
5078             dc.DrawLine( left, y, left+cw, y );
5079             m_dragLastPos = y;
5080         }
5081         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL )
5082         {
5083             int cw, ch, dummy, top;
5084             m_gridWin->GetClientSize( &cw, &ch );
5085             CalcUnscrolledPosition( 0, 0, &dummy, &top );
5086
5087             wxClientDC dc( m_gridWin );
5088             PrepareDC( dc );
5089             x = wxMax( x, GetColLeft(m_dragRowOrCol) +
5090                           GetColMinimalWidth(m_dragRowOrCol) );
5091             dc.SetLogicalFunction(wxINVERT);
5092             if ( m_dragLastPos >= 0 )
5093             {
5094                 dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top+ch );
5095             }
5096             dc.DrawLine( x, top, x, top+ch );
5097             m_dragLastPos = x;
5098         }
5099
5100         return;
5101     }
5102
5103     m_isDragging = FALSE;
5104     m_startDragPos = wxDefaultPosition;
5105
5106     // VZ: if we do this, the mode is reset to WXGRID_CURSOR_SELECT_CELL
5107     //     immediately after it becomes WXGRID_CURSOR_RESIZE_ROW/COL under
5108     //     wxGTK
5109 #if 0
5110     if ( event.Entering() || event.Leaving() )
5111     {
5112         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5113         m_gridWin->SetCursor( *wxSTANDARD_CURSOR );
5114     }
5115     else
5116 #endif // 0
5117
5118     // ------------ Left button pressed
5119     //
5120     if ( event.LeftDown() && coords != wxGridNoCellCoords )
5121     {
5122         if ( !SendEvent( wxEVT_GRID_CELL_LEFT_CLICK,
5123                        coords.GetRow(),
5124                        coords.GetCol(),
5125                        event ) )
5126         {
5127             if ( !event.ControlDown() )
5128                 ClearSelection();
5129             if ( event.ShiftDown() )
5130             {
5131                 if ( m_selection )
5132                 {
5133                     m_selection->SelectBlock( m_currentCellCoords.GetRow(),
5134                                               m_currentCellCoords.GetCol(),
5135                                               coords.GetRow(),
5136                                               coords.GetCol(),
5137                                               event.ControlDown(),
5138                                               event.ShiftDown(),
5139                                               event.AltDown(),
5140                                               event.MetaDown() );
5141                 }
5142             }
5143             else if ( XToEdgeOfCol(x) < 0  &&
5144                       YToEdgeOfRow(y) < 0 )
5145             {
5146                 DisableCellEditControl();
5147                 MakeCellVisible( coords );
5148
5149                 // if this is the second click on this cell then start
5150                 // the edit control
5151                 if ( m_waitForSlowClick &&
5152                      (coords == m_currentCellCoords) &&
5153                      CanEnableCellControl())
5154                 {
5155                     EnableCellEditControl();
5156
5157                     wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords);
5158                     wxGridCellEditor *editor = attr->GetEditor(this,
5159                                                                coords.GetRow(),
5160                                                                coords.GetCol());
5161                     editor->StartingClick();
5162                     editor->DecRef();
5163                     attr->DecRef();
5164
5165                     m_waitForSlowClick = FALSE;
5166                 }
5167                 else
5168                 {
5169                     if ( event.ControlDown() )
5170                     {
5171                         if ( m_selection )
5172                         {
5173                             m_selection->ToggleCellSelection( coords.GetRow(),
5174                                                               coords.GetCol(),
5175                                                               event.ControlDown(),
5176                                                               event.ShiftDown(),
5177                                                               event.AltDown(),
5178                                                               event.MetaDown() );
5179                         }
5180                         m_selectingTopLeft = wxGridNoCellCoords;
5181                         m_selectingBottomRight = wxGridNoCellCoords;
5182                         m_selectingKeyboard = coords;
5183                     }
5184                     else
5185                     {
5186                         SetCurrentCell( coords );
5187                         if ( m_selection )
5188                         {
5189                             if ( m_selection->GetSelectionMode() !=
5190                                     wxGrid::wxGridSelectCells )
5191                             {
5192                                 HighlightBlock( coords, coords );
5193                             }
5194                         }
5195                     }
5196                     m_waitForSlowClick = TRUE;
5197                 }
5198             }
5199         }
5200     }
5201
5202
5203     // ------------ Left double click
5204     //
5205     else if ( event.LeftDClick() && coords != wxGridNoCellCoords )
5206     {
5207         DisableCellEditControl();
5208
5209         if ( XToEdgeOfCol(x) < 0  &&  YToEdgeOfRow(y) < 0 )
5210         {
5211             SendEvent( wxEVT_GRID_CELL_LEFT_DCLICK,
5212                        coords.GetRow(),
5213                        coords.GetCol(),
5214                        event );
5215         }
5216     }
5217
5218
5219     // ------------ Left button released
5220     //
5221     else if ( event.LeftUp() )
5222     {
5223         if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5224         {
5225             if ( m_selectingTopLeft != wxGridNoCellCoords &&
5226                  m_selectingBottomRight != wxGridNoCellCoords )
5227             {
5228                 if (m_winCapture)
5229                 {
5230                     if (m_winCapture->HasCapture()) m_winCapture->ReleaseMouse();
5231                     m_winCapture = NULL;
5232                 }
5233
5234                 if ( m_selection )
5235                 {
5236                     m_selection->SelectBlock( m_selectingTopLeft.GetRow(),
5237                                               m_selectingTopLeft.GetCol(),
5238                                               m_selectingBottomRight.GetRow(),
5239                                               m_selectingBottomRight.GetCol(),
5240                                               event.ControlDown(),
5241                                               event.ShiftDown(),
5242                                               event.AltDown(),
5243                                               event.MetaDown() );
5244                 }
5245
5246                 m_selectingTopLeft = wxGridNoCellCoords;
5247                 m_selectingBottomRight = wxGridNoCellCoords;
5248             }
5249
5250             // Show the edit control, if it has been hidden for
5251             // drag-shrinking.
5252             ShowCellEditControl();
5253         }
5254         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
5255         {
5256             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5257             DoEndDragResizeRow();
5258
5259             // Note: we are ending the event *after* doing
5260             // default processing in this case
5261             //
5262             SendEvent( wxEVT_GRID_ROW_SIZE, m_dragRowOrCol, -1, event );
5263         }
5264         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL )
5265         {
5266             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5267             DoEndDragResizeCol();
5268
5269             // Note: we are ending the event *after* doing
5270             // default processing in this case
5271             //
5272             SendEvent( wxEVT_GRID_COL_SIZE, -1, m_dragRowOrCol, event );
5273         }
5274
5275         m_dragLastPos = -1;
5276     }
5277
5278
5279     // ------------ Right button down
5280     //
5281     else if ( event.RightDown() && coords != wxGridNoCellCoords )
5282     {
5283         DisableCellEditControl();
5284         if ( !SendEvent( wxEVT_GRID_CELL_RIGHT_CLICK,
5285                          coords.GetRow(),
5286                          coords.GetCol(),
5287                          event ) )
5288         {
5289             // no default action at the moment
5290         }
5291     }
5292
5293
5294     // ------------ Right double click
5295     //
5296     else if ( event.RightDClick() && coords != wxGridNoCellCoords )
5297     {
5298         DisableCellEditControl();
5299         if ( !SendEvent( wxEVT_GRID_CELL_RIGHT_DCLICK,
5300                          coords.GetRow(),
5301                          coords.GetCol(),
5302                          event ) )
5303         {
5304             // no default action at the moment
5305         }
5306     }
5307
5308     // ------------ Moving and no button action
5309     //
5310     else if ( event.Moving() && !event.IsButton() )
5311     {
5312         int dragRow = YToEdgeOfRow( y );
5313         int dragCol = XToEdgeOfCol( x );
5314
5315         // Dragging on the corner of a cell to resize in both
5316         // directions is not implemented yet...
5317         //
5318         if ( dragRow >= 0  &&  dragCol >= 0 )
5319         {
5320             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5321             return;
5322         }
5323
5324         if ( dragRow >= 0 && dragRow < GetNumberRows())
5325         {
5326             m_dragRowOrCol = dragRow;
5327
5328             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5329             {
5330                 if ( CanDragRowSize() && CanDragGridSize() )
5331                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW);
5332             }
5333
5334             if ( dragCol >= 0 )
5335             {
5336                 m_dragRowOrCol = dragCol;
5337             }
5338
5339             return;
5340         }
5341
5342         if ( dragCol >= 0 && dragCol < GetNumberCols())
5343         {
5344             m_dragRowOrCol = dragCol;
5345
5346             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5347             {
5348                 if ( CanDragColSize() && CanDragGridSize() )
5349                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL);
5350             }
5351
5352             return;
5353         }
5354
5355         // Neither on a row or col edge
5356         //
5357         if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
5358         {
5359             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5360         }
5361     }
5362 }
5363
5364
5365 void wxGrid::DoEndDragResizeRow()
5366 {
5367     if ( m_dragLastPos >= 0 )
5368     {
5369         // erase the last line and resize the row
5370         //
5371         int cw, ch, left, dummy;
5372         m_gridWin->GetClientSize( &cw, &ch );
5373         CalcUnscrolledPosition( 0, 0, &left, &dummy );
5374
5375         wxClientDC dc( m_gridWin );
5376         PrepareDC( dc );
5377         dc.SetLogicalFunction( wxINVERT );
5378         dc.DrawLine( left, m_dragLastPos, left+cw, m_dragLastPos );
5379         HideCellEditControl();
5380         SaveEditControlValue();
5381
5382         int rowTop = GetRowTop(m_dragRowOrCol);
5383         SetRowSize( m_dragRowOrCol,
5384                     wxMax( m_dragLastPos - rowTop, WXGRID_MIN_ROW_HEIGHT ) );
5385
5386         if ( !GetBatchCount() )
5387         {
5388             // Only needed to get the correct rect.y:
5389             wxRect rect ( CellToRect( m_dragRowOrCol, 0 ) );
5390             rect.x = 0;
5391             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
5392             rect.width = m_rowLabelWidth;
5393             rect.height = ch - rect.y;
5394             m_rowLabelWin->Refresh( TRUE, &rect );
5395             rect.width = cw;
5396             // if there is a multicell block, paint all of it
5397             if (m_table)
5398             {
5399                 int i, cell_rows, cell_cols, subtract_rows = 0;
5400                 int leftCol = XToCol(left);
5401                 int rightCol = XToCol(left+cw);
5402                 if (leftCol >= 0)
5403                 {
5404                     if (rightCol < 0) rightCol = m_numCols;
5405                     for (i=leftCol; i<rightCol; i++)
5406                     {
5407                         GetCellSize(m_dragRowOrCol, i, &cell_rows, &cell_cols);
5408                         if (cell_rows < subtract_rows)
5409                             subtract_rows = cell_rows;
5410                     }
5411                     rect.y = GetRowTop(m_dragRowOrCol + subtract_rows);
5412                     CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
5413                     rect.height = ch - rect.y;
5414                 }
5415             }
5416             m_gridWin->Refresh( FALSE, &rect );
5417         }
5418
5419         ShowCellEditControl();
5420     }
5421 }
5422
5423
5424 void wxGrid::DoEndDragResizeCol()
5425 {
5426     if ( m_dragLastPos >= 0 )
5427     {
5428         // erase the last line and resize the col
5429         //
5430         int cw, ch, dummy, top;
5431         m_gridWin->GetClientSize( &cw, &ch );
5432         CalcUnscrolledPosition( 0, 0, &dummy, &top );
5433
5434         wxClientDC dc( m_gridWin );
5435         PrepareDC( dc );
5436         dc.SetLogicalFunction( wxINVERT );
5437         dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top+ch );
5438         HideCellEditControl();
5439         SaveEditControlValue();
5440
5441         int colLeft = GetColLeft(m_dragRowOrCol);
5442         SetColSize( m_dragRowOrCol,
5443                     wxMax( m_dragLastPos - colLeft,
5444                            GetColMinimalWidth(m_dragRowOrCol) ) );
5445
5446         if ( !GetBatchCount() )
5447         {
5448             // Only needed to get the correct rect.x:
5449             wxRect rect ( CellToRect( 0, m_dragRowOrCol ) );
5450             rect.y = 0;
5451             CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
5452             rect.width = cw - rect.x;
5453             rect.height = m_colLabelHeight;
5454             m_colLabelWin->Refresh( TRUE, &rect );
5455             rect.height = ch;
5456             // if there is a multicell block, paint all of it
5457             if (m_table)
5458             {
5459                 int i, cell_rows, cell_cols, subtract_cols = 0;
5460                 int topRow = YToRow(top);
5461                 int bottomRow = YToRow(top+cw);
5462                 if (topRow >= 0)
5463                 {
5464                     if (bottomRow < 0) bottomRow = m_numRows;
5465                     for (i=topRow; i<bottomRow; i++)
5466                     {
5467                         GetCellSize(i, m_dragRowOrCol, &cell_rows, &cell_cols);
5468                         if (cell_cols < subtract_cols)
5469                             subtract_cols = cell_cols;
5470                     }
5471                     rect.x = GetColLeft(m_dragRowOrCol + subtract_cols);
5472                     CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
5473                     rect.width = cw - rect.x;
5474                 }
5475             }
5476             m_gridWin->Refresh( FALSE, &rect );
5477         }
5478
5479         ShowCellEditControl();
5480     }
5481 }
5482
5483
5484
5485 //
5486 // ------ interaction with data model
5487 //
5488 bool wxGrid::ProcessTableMessage( wxGridTableMessage& msg )
5489 {
5490     switch ( msg.GetId() )
5491     {
5492         case wxGRIDTABLE_REQUEST_VIEW_GET_VALUES:
5493             return GetModelValues();
5494
5495         case wxGRIDTABLE_REQUEST_VIEW_SEND_VALUES:
5496             return SetModelValues();
5497
5498         case wxGRIDTABLE_NOTIFY_ROWS_INSERTED:
5499         case wxGRIDTABLE_NOTIFY_ROWS_APPENDED:
5500         case wxGRIDTABLE_NOTIFY_ROWS_DELETED:
5501         case wxGRIDTABLE_NOTIFY_COLS_INSERTED:
5502         case wxGRIDTABLE_NOTIFY_COLS_APPENDED:
5503         case wxGRIDTABLE_NOTIFY_COLS_DELETED:
5504             return Redimension( msg );
5505
5506         default:
5507             return FALSE;
5508     }
5509 }
5510
5511
5512
5513 // The behaviour of this function depends on the grid table class
5514 // Clear() function.  For the default wxGridStringTable class the
5515 // behavious is to replace all cell contents with wxEmptyString but
5516 // not to change the number of rows or cols.
5517 //
5518 void wxGrid::ClearGrid()
5519 {
5520     if ( m_table )
5521     {
5522         if (IsCellEditControlEnabled())
5523             DisableCellEditControl();
5524
5525         m_table->Clear();
5526         if ( !GetBatchCount() ) m_gridWin->Refresh();
5527     }
5528 }
5529
5530
5531 bool wxGrid::InsertRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
5532 {
5533     // TODO: something with updateLabels flag
5534
5535     if ( !m_created )
5536     {
5537         wxFAIL_MSG( wxT("Called wxGrid::InsertRows() before calling CreateGrid()") );
5538         return FALSE;
5539     }
5540
5541     if ( m_table )
5542     {
5543         if (IsCellEditControlEnabled())
5544             DisableCellEditControl();
5545
5546         return m_table->InsertRows( pos, numRows );
5547
5548         // the table will have sent the results of the insert row
5549         // operation to this view object as a grid table message
5550     }
5551     return FALSE;
5552 }
5553
5554
5555 bool wxGrid::AppendRows( int numRows, bool WXUNUSED(updateLabels) )
5556 {
5557     // TODO: something with updateLabels flag
5558
5559     if ( !m_created )
5560     {
5561         wxFAIL_MSG( wxT("Called wxGrid::AppendRows() before calling CreateGrid()") );
5562         return FALSE;
5563     }
5564
5565     return ( m_table && m_table->AppendRows( numRows ) );
5566     // the table will have sent the results of the append row
5567     // operation to this view object as a grid table message
5568 }
5569
5570
5571 bool wxGrid::DeleteRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
5572 {
5573     // TODO: something with updateLabels flag
5574
5575     if ( !m_created )
5576     {
5577         wxFAIL_MSG( wxT("Called wxGrid::DeleteRows() before calling CreateGrid()") );
5578         return FALSE;
5579     }
5580
5581     if ( m_table )
5582     {
5583         if (IsCellEditControlEnabled())
5584             DisableCellEditControl();
5585
5586         return (m_table->DeleteRows( pos, numRows ));
5587         // the table will have sent the results of the delete row
5588         // operation to this view object as a grid table message
5589     }
5590     return FALSE;
5591 }
5592
5593
5594 bool wxGrid::InsertCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
5595 {
5596     // TODO: something with updateLabels flag
5597
5598     if ( !m_created )
5599     {
5600         wxFAIL_MSG( wxT("Called wxGrid::InsertCols() before calling CreateGrid()") );
5601         return FALSE;
5602     }
5603
5604     if ( m_table )
5605     {
5606         if (IsCellEditControlEnabled())
5607             DisableCellEditControl();
5608
5609         return m_table->InsertCols( pos, numCols );
5610         // the table will have sent the results of the insert col
5611         // operation to this view object as a grid table message
5612     }
5613     return FALSE;
5614 }
5615
5616
5617 bool wxGrid::AppendCols( int numCols, bool WXUNUSED(updateLabels) )
5618 {
5619     // TODO: something with updateLabels flag
5620
5621     if ( !m_created )
5622     {
5623         wxFAIL_MSG( wxT("Called wxGrid::AppendCols() before calling CreateGrid()") );
5624         return FALSE;
5625     }
5626
5627     return ( m_table && m_table->AppendCols( numCols ) );
5628     // the table will have sent the results of the append col
5629     // operation to this view object as a grid table message
5630 }
5631
5632
5633 bool wxGrid::DeleteCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
5634 {
5635     // TODO: something with updateLabels flag
5636
5637     if ( !m_created )
5638     {
5639         wxFAIL_MSG( wxT("Called wxGrid::DeleteCols() before calling CreateGrid()") );
5640         return FALSE;
5641     }
5642
5643     if ( m_table )
5644     {
5645         if (IsCellEditControlEnabled())
5646             DisableCellEditControl();
5647
5648         return ( m_table->DeleteCols( pos, numCols ) );
5649         // the table will have sent the results of the delete col
5650         // operation to this view object as a grid table message
5651     }
5652     return FALSE;
5653 }
5654
5655
5656
5657 //
5658 // ----- event handlers
5659 //
5660
5661 // Generate a grid event based on a mouse event and
5662 // return the result of ProcessEvent()
5663 //
5664 int wxGrid::SendEvent( const wxEventType type,
5665                         int row, int col,
5666                         wxMouseEvent& mouseEv )
5667 {
5668    bool claimed;
5669    bool vetoed= FALSE;
5670
5671    if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE )
5672    {
5673        int rowOrCol = (row == -1 ? col : row);
5674
5675        wxGridSizeEvent gridEvt( GetId(),
5676                type,
5677                this,
5678                rowOrCol,
5679                mouseEv.GetX() + GetRowLabelSize(),
5680                mouseEv.GetY() + GetColLabelSize(),
5681                mouseEv.ControlDown(),
5682                mouseEv.ShiftDown(),
5683                mouseEv.AltDown(),
5684                mouseEv.MetaDown() );
5685
5686        claimed = GetEventHandler()->ProcessEvent(gridEvt);
5687        vetoed = !gridEvt.IsAllowed();
5688    }
5689    else if ( type == wxEVT_GRID_RANGE_SELECT )
5690    {
5691        // Right now, it should _never_ end up here!
5692        wxGridRangeSelectEvent gridEvt( GetId(),
5693                type,
5694                this,
5695                m_selectingTopLeft,
5696                m_selectingBottomRight,
5697                TRUE,
5698                mouseEv.ControlDown(),
5699                mouseEv.ShiftDown(),
5700                mouseEv.AltDown(),
5701                mouseEv.MetaDown() );
5702
5703        claimed = GetEventHandler()->ProcessEvent(gridEvt);
5704        vetoed = !gridEvt.IsAllowed();
5705    }
5706    else
5707    {
5708        wxGridEvent gridEvt( GetId(),
5709                type,
5710                this,
5711                row, col,
5712                mouseEv.GetX() + GetRowLabelSize(),
5713                mouseEv.GetY() + GetColLabelSize(),
5714                FALSE,
5715                mouseEv.ControlDown(),
5716                mouseEv.ShiftDown(),
5717                mouseEv.AltDown(),
5718                mouseEv.MetaDown() );
5719        claimed = GetEventHandler()->ProcessEvent(gridEvt);
5720        vetoed = !gridEvt.IsAllowed();
5721    }
5722
5723    // A Veto'd event may not be `claimed' so test this first
5724    if (vetoed) return -1;
5725    return claimed ? 1 : 0;
5726 }
5727
5728
5729 // Generate a grid event of specified type and return the result
5730 // of ProcessEvent().
5731 //
5732 int wxGrid::SendEvent( const wxEventType type,
5733                         int row, int col )
5734 {
5735    bool claimed;
5736    bool vetoed= FALSE;
5737
5738     if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE )
5739     {
5740         int rowOrCol = (row == -1 ? col : row);
5741
5742         wxGridSizeEvent gridEvt( GetId(),
5743                                  type,
5744                                  this,
5745                                  rowOrCol );
5746
5747         claimed = GetEventHandler()->ProcessEvent(gridEvt);
5748         vetoed  = !gridEvt.IsAllowed();
5749     }
5750     else
5751     {
5752         wxGridEvent gridEvt( GetId(),
5753                              type,
5754                              this,
5755                              row, col );
5756
5757         claimed = GetEventHandler()->ProcessEvent(gridEvt);
5758         vetoed  = !gridEvt.IsAllowed();
5759      }
5760
5761     // A Veto'd event may not be `claimed' so test this first
5762     if (vetoed) return -1;
5763     return claimed ? 1 : 0;
5764 }
5765
5766
5767 void wxGrid::OnPaint( wxPaintEvent& WXUNUSED(event) )
5768 {
5769     wxPaintDC dc(this);  // needed to prevent zillions of paint events on MSW
5770 }
5771
5772 void wxGrid::Refresh(bool eraseb, const wxRect* rect)
5773 {
5774     // Don't do anything if between Begin/EndBatch...
5775     // EndBatch() will do all this on the last nested one anyway.
5776     if (! GetBatchCount())
5777     {
5778         // Refresh to get correct scrolled position:
5779         wxScrolledWindow::Refresh(eraseb,rect);
5780
5781         if (rect)
5782         {
5783             int rect_x, rect_y, rectWidth, rectHeight;
5784             int width_label, width_cell, height_label, height_cell;
5785             int x, y;
5786
5787             //Copy rectangle can get scroll offsets..
5788             rect_x = rect->GetX();
5789             rect_y = rect->GetY();
5790             rectWidth = rect->GetWidth();
5791             rectHeight = rect->GetHeight();
5792
5793             width_label = m_rowLabelWidth - rect_x;
5794             if (width_label > rectWidth) width_label = rectWidth;
5795
5796             height_label = m_colLabelHeight - rect_y;
5797             if (height_label > rectHeight) height_label = rectHeight;
5798
5799             if (rect_x > m_rowLabelWidth)
5800             {
5801                 x = rect_x - m_rowLabelWidth;
5802                 width_cell = rectWidth;
5803             }
5804             else
5805             {
5806                 x = 0;
5807                 width_cell = rectWidth - (m_rowLabelWidth - rect_x);
5808             }
5809
5810             if (rect_y > m_colLabelHeight)
5811             {
5812                 y = rect_y - m_colLabelHeight;
5813                 height_cell = rectHeight;
5814             }
5815             else
5816             {
5817                 y = 0;
5818                 height_cell = rectHeight - (m_colLabelHeight - rect_y);
5819             }
5820
5821             // Paint corner label part intersecting rect.
5822             if ( width_label > 0 && height_label > 0 )
5823             {
5824                 wxRect anotherrect(rect_x, rect_y, width_label, height_label);
5825                 m_cornerLabelWin->Refresh(eraseb, &anotherrect);
5826             }
5827
5828             // Paint col labels part intersecting rect.
5829             if ( width_cell > 0 && height_label > 0 )
5830             {
5831                 wxRect anotherrect(x, rect_y, width_cell, height_label);
5832                 m_colLabelWin->Refresh(eraseb, &anotherrect);
5833             }
5834
5835             // Paint row labels part intersecting rect.
5836             if ( width_label > 0 && height_cell > 0 )
5837             {
5838                 wxRect anotherrect(rect_x, y, width_label, height_cell);
5839                 m_rowLabelWin->Refresh(eraseb, &anotherrect);
5840             }
5841
5842             // Paint cell area part intersecting rect.
5843             if ( width_cell > 0 && height_cell > 0 )
5844             {
5845                 wxRect anotherrect(x, y, width_cell, height_cell);
5846                 m_gridWin->Refresh(eraseb, &anotherrect);
5847             }
5848         }
5849         else
5850         {
5851             m_cornerLabelWin->Refresh(eraseb, NULL);
5852             m_colLabelWin->Refresh(eraseb, NULL);
5853             m_rowLabelWin->Refresh(eraseb, NULL);
5854             m_gridWin->Refresh(eraseb, NULL);
5855         }
5856     }
5857 }
5858
5859 void wxGrid::OnSize( wxSizeEvent& event )
5860 {
5861     // position the child windows
5862     CalcWindowSizes();
5863
5864     // don't call CalcDimensions() from here, the base class handles the size
5865     // changes itself
5866     event.Skip();
5867 }
5868
5869
5870 void wxGrid::OnKeyDown( wxKeyEvent& event )
5871 {
5872     if ( m_inOnKeyDown )
5873     {
5874         // shouldn't be here - we are going round in circles...
5875         //
5876         wxFAIL_MSG( wxT("wxGrid::OnKeyDown called while already active") );
5877     }
5878
5879     m_inOnKeyDown = TRUE;
5880
5881     // propagate the event up and see if it gets processed
5882     //
5883     wxWindow *parent = GetParent();
5884     wxKeyEvent keyEvt( event );
5885     keyEvt.SetEventObject( parent );
5886
5887     if ( !parent->GetEventHandler()->ProcessEvent( keyEvt ) )
5888     {
5889
5890         // try local handlers
5891         //
5892         switch ( event.KeyCode() )
5893         {
5894             case WXK_UP:
5895                 if ( event.ControlDown() )
5896                 {
5897                     MoveCursorUpBlock( event.ShiftDown() );
5898                 }
5899                 else
5900                 {
5901                     MoveCursorUp( event.ShiftDown() );
5902                 }
5903                 break;
5904
5905             case WXK_DOWN:
5906                 if ( event.ControlDown() )
5907                 {
5908                     MoveCursorDownBlock( event.ShiftDown() );
5909                 }
5910                 else
5911                 {
5912                     MoveCursorDown( event.ShiftDown() );
5913                 }
5914                 break;
5915
5916             case WXK_LEFT:
5917                 if ( event.ControlDown() )
5918                 {
5919                     MoveCursorLeftBlock( event.ShiftDown() );
5920                 }
5921                 else
5922                 {
5923                     MoveCursorLeft( event.ShiftDown() );
5924                 }
5925                 break;
5926
5927             case WXK_RIGHT:
5928                 if ( event.ControlDown() )
5929                 {
5930                     MoveCursorRightBlock( event.ShiftDown() );
5931                 }
5932                 else
5933                 {
5934                     MoveCursorRight( event.ShiftDown() );
5935                 }
5936                 break;
5937
5938             case WXK_RETURN:
5939             case WXK_NUMPAD_ENTER:
5940                 if ( event.ControlDown() )
5941                 {
5942                     event.Skip();  // to let the edit control have the return
5943                 }
5944                 else
5945                 {
5946                     if ( GetGridCursorRow() < GetNumberRows()-1 )
5947                     {
5948                         MoveCursorDown( event.ShiftDown() );
5949                     }
5950                     else
5951                     {
5952                         // at the bottom of a column
5953                         HideCellEditControl();
5954                         SaveEditControlValue();
5955                     }
5956                 }
5957                 break;
5958
5959             case WXK_ESCAPE:
5960                 ClearSelection();
5961                 break;
5962
5963             case WXK_TAB:
5964                 if (event.ShiftDown())
5965                 {
5966                     if ( GetGridCursorCol() > 0 )
5967                     {
5968                         MoveCursorLeft( FALSE );
5969                     }
5970                     else
5971                     {
5972                         // at left of grid
5973                         HideCellEditControl();
5974                         SaveEditControlValue();
5975                     }
5976                 }
5977                 else
5978                 {
5979                     if ( GetGridCursorCol() < GetNumberCols()-1 )
5980                     {
5981                         MoveCursorRight( FALSE );
5982                     }
5983                     else
5984                     {
5985                         // at right of grid
5986                         HideCellEditControl();
5987                         SaveEditControlValue();
5988                     }
5989                 }
5990                 break;
5991
5992             case WXK_HOME:
5993                 if ( event.ControlDown() )
5994                 {
5995                     MakeCellVisible( 0, 0 );
5996                     SetCurrentCell( 0, 0 );
5997                 }
5998                 else
5999                 {
6000                     event.Skip();
6001                 }
6002                 break;
6003
6004             case WXK_END:
6005                 if ( event.ControlDown() )
6006                 {
6007                     MakeCellVisible( m_numRows-1, m_numCols-1 );
6008                     SetCurrentCell( m_numRows-1, m_numCols-1 );
6009                 }
6010                 else
6011                 {
6012                     event.Skip();
6013                 }
6014                 break;
6015
6016             case WXK_PRIOR:
6017                 MovePageUp();
6018                 break;
6019
6020             case WXK_NEXT:
6021                 MovePageDown();
6022                 break;
6023
6024             case WXK_SPACE:
6025                 if ( event.ControlDown() )
6026                 {
6027                     if ( m_selection )
6028                     {
6029                         m_selection->ToggleCellSelection( m_currentCellCoords.GetRow(),
6030                                                           m_currentCellCoords.GetCol(),
6031                                                           event.ControlDown(),
6032                                                           event.ShiftDown(),
6033                                                           event.AltDown(),
6034                                                           event.MetaDown() );
6035                     }
6036                     break;
6037                 }
6038                 if ( !IsEditable() )
6039                 {
6040                     MoveCursorRight( FALSE );
6041                     break;
6042                 }
6043                 // Otherwise fall through to default
6044
6045             default:
6046                 // is it possible to edit the current cell at all?
6047                 if ( !IsCellEditControlEnabled() && CanEnableCellControl() )
6048                 {
6049                     // yes, now check whether the cells editor accepts the key
6050                     int row = m_currentCellCoords.GetRow();
6051                     int col = m_currentCellCoords.GetCol();
6052                     wxGridCellAttr* attr = GetCellAttr(row, col);
6053                     wxGridCellEditor *editor = attr->GetEditor(this, row, col);
6054
6055                     // <F2> is special and will always start editing, for
6056                     // other keys - ask the editor itself
6057                     if ( (event.KeyCode() == WXK_F2 && !event.HasModifiers())
6058                          || editor->IsAcceptedKey(event) )
6059                     {
6060                         EnableCellEditControl();
6061
6062                         // the editor could be not shown for a variety of
6063                         // reasons (i.e. blocked by the app or whatever), so
6064                         // check if it really was created
6065                         if ( m_cellEditCtrlEnabled )
6066                         {
6067                             editor->StartingKey(event);
6068                         }
6069                     }
6070                     else
6071                     {
6072                         event.Skip();
6073                     }
6074
6075                     editor->DecRef();
6076                     attr->DecRef();
6077                 }
6078                 else
6079                 {
6080                     // let others process char events with modifiers or all
6081                     // char events for readonly cells
6082                     event.Skip();
6083                 }
6084                 break;
6085         }
6086     }
6087
6088     m_inOnKeyDown = FALSE;
6089 }
6090
6091 void wxGrid::OnKeyUp( wxKeyEvent& event )
6092 {
6093     // try local handlers
6094     //
6095     if ( event.KeyCode() == WXK_SHIFT )
6096     {
6097         if ( m_selectingTopLeft != wxGridNoCellCoords &&
6098              m_selectingBottomRight != wxGridNoCellCoords )
6099         {
6100             if ( m_selection )
6101             {
6102                 m_selection->SelectBlock( m_selectingTopLeft.GetRow(),
6103                                           m_selectingTopLeft.GetCol(),
6104                                           m_selectingBottomRight.GetRow(),
6105                                           m_selectingBottomRight.GetCol(),
6106                                           event.ControlDown(),
6107                                           TRUE,
6108                                           event.AltDown(),
6109                                           event.MetaDown() );
6110             }
6111         }
6112
6113         m_selectingTopLeft = wxGridNoCellCoords;
6114         m_selectingBottomRight = wxGridNoCellCoords;
6115         m_selectingKeyboard = wxGridNoCellCoords;
6116     }
6117 }
6118
6119 void wxGrid::OnEraseBackground(wxEraseEvent&)
6120 {
6121 }
6122
6123 void wxGrid::SetCurrentCell( const wxGridCellCoords& coords )
6124 {
6125     if ( SendEvent( wxEVT_GRID_SELECT_CELL, coords.GetRow(), coords.GetCol() ) )
6126     {
6127         // the event has been intercepted - do nothing
6128         return;
6129     }
6130
6131     wxClientDC dc(m_gridWin);
6132     PrepareDC(dc);
6133
6134     if ( m_currentCellCoords != wxGridNoCellCoords )
6135     {
6136         HideCellEditControl();
6137         DisableCellEditControl();
6138
6139         if ( IsVisible( m_currentCellCoords, FALSE ) )
6140         {
6141             wxRect r;
6142             r = BlockToDeviceRect(m_currentCellCoords, m_currentCellCoords);
6143             if ( !m_gridLinesEnabled )
6144             {
6145                 r.x--;
6146                 r.y--;
6147                 r.width++;
6148                 r.height++;
6149             }
6150
6151             wxGridCellCoordsArray cells = CalcCellsExposed( r );
6152
6153             // Otherwise refresh redraws the highlight!
6154             m_currentCellCoords = coords;
6155
6156             DrawGridCellArea(dc,cells);
6157             DrawAllGridLines( dc, r );
6158         }
6159     }
6160
6161     m_currentCellCoords = coords;
6162
6163     wxGridCellAttr* attr = GetCellAttr(coords);
6164     DrawCellHighlight(dc, attr);
6165     attr->DecRef();
6166 }
6167
6168
6169 void wxGrid::HighlightBlock( int topRow, int leftCol, int bottomRow, int rightCol )
6170 {
6171     int temp;
6172     wxGridCellCoords updateTopLeft, updateBottomRight;
6173
6174     if ( m_selection )
6175     {
6176         if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectRows )
6177         {
6178             leftCol = 0;
6179             rightCol = GetNumberCols() - 1;
6180         }
6181         else if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectColumns )
6182         {
6183             topRow = 0;
6184             bottomRow = GetNumberRows() - 1;
6185         }
6186     }
6187
6188     if ( topRow > bottomRow )
6189     {
6190         temp = topRow;
6191         topRow = bottomRow;
6192         bottomRow = temp;
6193     }
6194
6195     if ( leftCol > rightCol )
6196     {
6197         temp = leftCol;
6198         leftCol = rightCol;
6199         rightCol = temp;
6200     }
6201
6202     updateTopLeft = wxGridCellCoords( topRow, leftCol );
6203     updateBottomRight = wxGridCellCoords( bottomRow, rightCol );
6204
6205     // First the case that we selected a completely new area
6206     if ( m_selectingTopLeft == wxGridNoCellCoords ||
6207          m_selectingBottomRight == wxGridNoCellCoords )
6208     {
6209         wxRect rect;
6210         rect = BlockToDeviceRect( wxGridCellCoords ( topRow, leftCol ),
6211                                   wxGridCellCoords ( bottomRow, rightCol ) );
6212         m_gridWin->Refresh( FALSE, &rect );
6213     }
6214     // Now handle changing an existing selection area.
6215     else if ( m_selectingTopLeft != updateTopLeft ||
6216               m_selectingBottomRight != updateBottomRight )
6217     {
6218         // Compute two optimal update rectangles:
6219         // Either one rectangle is a real subset of the
6220         // other, or they are (almost) disjoint!
6221         wxRect  rect[4];
6222         bool    need_refresh[4];
6223         need_refresh[0] =
6224         need_refresh[1] =
6225         need_refresh[2] =
6226         need_refresh[3] = FALSE;
6227         int     i;
6228
6229         // Store intermediate values
6230         wxCoord oldLeft   = m_selectingTopLeft.GetCol();
6231         wxCoord oldTop    = m_selectingTopLeft.GetRow();
6232         wxCoord oldRight  = m_selectingBottomRight.GetCol();
6233         wxCoord oldBottom = m_selectingBottomRight.GetRow();
6234
6235         // Determine the outer/inner coordinates.
6236         if (oldLeft > leftCol)
6237         {
6238             temp = oldLeft;
6239             oldLeft = leftCol;
6240             leftCol = temp;
6241         }
6242         if (oldTop > topRow )
6243         {
6244             temp = oldTop;
6245             oldTop = topRow;
6246             topRow = temp;
6247         }
6248         if (oldRight < rightCol )
6249         {
6250             temp = oldRight;
6251             oldRight = rightCol;
6252             rightCol = temp;
6253         }
6254         if (oldBottom < bottomRow)
6255         {
6256             temp = oldBottom;
6257             oldBottom = bottomRow;
6258             bottomRow = temp;
6259         }
6260
6261         // Now, either the stuff marked old is the outer
6262         // rectangle or we don't have a situation where one
6263         // is contained in the other.
6264
6265         if ( oldLeft < leftCol )
6266         {
6267             // Refresh the newly selected or deselected
6268             // area to the left of the old or new selection.
6269             need_refresh[0] = TRUE;
6270             rect[0] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
6271                                                             oldLeft ),
6272                                          wxGridCellCoords ( oldBottom,
6273                                                             leftCol - 1 ) );
6274         }
6275
6276         if ( oldTop  < topRow )
6277         {
6278             // Refresh the newly selected or deselected
6279             // area above the old or new selection.
6280             need_refresh[1] = TRUE;
6281             rect[1] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
6282                                                             leftCol ),
6283                                          wxGridCellCoords ( topRow - 1,
6284                                                             rightCol ) );
6285         }
6286
6287         if ( oldRight > rightCol )
6288         {
6289             // Refresh the newly selected or deselected
6290             // area to the right of the old or new selection.
6291             need_refresh[2] = TRUE;
6292             rect[2] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
6293                                                             rightCol + 1 ),
6294                                          wxGridCellCoords ( oldBottom,
6295                                                             oldRight ) );
6296         }
6297
6298         if ( oldBottom > bottomRow )
6299         {
6300             // Refresh the newly selected or deselected
6301             // area below the old or new selection.
6302             need_refresh[3] = TRUE;
6303             rect[3] = BlockToDeviceRect( wxGridCellCoords ( bottomRow + 1,
6304                                                             leftCol ),
6305                                          wxGridCellCoords ( oldBottom,
6306                                                             rightCol ) );
6307         }
6308
6309         // various Refresh() calls
6310         for (i = 0; i < 4; i++ )
6311             if ( need_refresh[i] && rect[i] != wxGridNoCellRect )
6312                 m_gridWin->Refresh( FALSE, &(rect[i]) );
6313     }
6314     // Change Selection
6315     m_selectingTopLeft = updateTopLeft;
6316     m_selectingBottomRight = updateBottomRight;
6317 }
6318
6319 //
6320 // ------ functions to get/send data (see also public functions)
6321 //
6322
6323 bool wxGrid::GetModelValues()
6324 {
6325     // Hide the editor, so it won't hide a changed value.
6326     HideCellEditControl();
6327
6328     if ( m_table )
6329     {
6330         // all we need to do is repaint the grid
6331         //
6332         m_gridWin->Refresh();
6333         return TRUE;
6334     }
6335
6336     return FALSE;
6337 }
6338
6339
6340 bool wxGrid::SetModelValues()
6341 {
6342     int row, col;
6343
6344     // Disable the editor, so it won't hide a changed value.
6345     // Do we also want to save the current value of the editor first?
6346     // I think so ...
6347     DisableCellEditControl();
6348
6349     if ( m_table )
6350     {
6351         for ( row = 0;  row < m_numRows;  row++ )
6352         {
6353             for ( col = 0;  col < m_numCols;  col++ )
6354             {
6355                 m_table->SetValue( row, col, GetCellValue(row, col) );
6356             }
6357         }
6358
6359         return TRUE;
6360     }
6361
6362     return FALSE;
6363 }
6364
6365
6366
6367 // Note - this function only draws cells that are in the list of
6368 // exposed cells (usually set from the update region by
6369 // CalcExposedCells)
6370 //
6371 void wxGrid::DrawGridCellArea( wxDC& dc, const wxGridCellCoordsArray& cells )
6372 {
6373     if ( !m_numRows || !m_numCols ) return;
6374
6375     int i, j, k, l, numCells = cells.GetCount();
6376     int row, col, cell_rows, cell_cols;
6377     wxGridCellCoordsArray redrawCells;
6378
6379     for ( i = numCells-1; i >= 0;  i-- )
6380     {
6381         row = cells[i].GetRow();
6382         col = cells[i].GetCol();
6383         GetCellSize( row, col, &cell_rows, &cell_cols );
6384
6385         // If this cell is part of a multicell block, find owner for repaint
6386         if ( cell_rows <= 0 || cell_cols <= 0 )
6387         {
6388             wxGridCellCoords cell(row+cell_rows, col+cell_cols);
6389             bool marked = FALSE;
6390             for ( j = 0;  j < numCells;  j++ )
6391             {
6392                 if ( cell == cells[j] )
6393                 {
6394                     marked = TRUE;
6395                     break;
6396                 }
6397             }
6398             if (!marked)
6399             {
6400                 int count = redrawCells.GetCount();
6401                 for (j = 0; j < count; j++)
6402                 {
6403                     if ( cell == redrawCells[j] )
6404                     {
6405                         marked = TRUE;
6406                         break;
6407                     }
6408                 }
6409                 if (!marked) redrawCells.Add( cell );
6410             }
6411             continue; // don't bother drawing this cell
6412         }
6413
6414         // If this cell is empty, find cell to left that might want to overflow
6415         if (m_table && m_table->IsEmptyCell(row, col))
6416         {
6417             for ( l = 0; l < cell_rows; l++ )
6418             {
6419                 for (j = col-1; j >= 0; j--)
6420                 {
6421                     if (!m_table->IsEmptyCell(row+l, j))
6422                     {
6423                         if (GetCellOverflow(row+l, j))
6424                         {
6425                             wxGridCellCoords cell(row+l, j);
6426                             bool marked = FALSE;
6427
6428                             for (k = 0; k < numCells; k++)
6429                             {
6430                                 if ( cell == cells[k] )
6431                                 {
6432                                     marked = TRUE;
6433                                     break;
6434                                 }
6435                             }
6436                             if (!marked)
6437                             {
6438                                 int count = redrawCells.GetCount();
6439                                 for (k = 0; k < count; k++)
6440                                 {
6441                                     if ( cell == redrawCells[k] )
6442                                     {
6443                                         marked = TRUE;
6444                                         break;
6445                                     }
6446                                 }
6447                                 if (!marked) redrawCells.Add( cell );
6448                             }
6449                         }
6450                         break;
6451                     }
6452                 }
6453             }
6454         }
6455         DrawCell( dc, cells[i] );
6456     }
6457
6458     numCells = redrawCells.GetCount();
6459
6460     for ( i = numCells - 1; i >= 0;  i-- )
6461     {
6462         DrawCell( dc, redrawCells[i] );
6463     }
6464 }
6465
6466
6467 void wxGrid::DrawGridSpace( wxDC& dc )
6468 {
6469   int cw, ch;
6470   m_gridWin->GetClientSize( &cw, &ch );
6471
6472   int right, bottom;
6473   CalcUnscrolledPosition( cw, ch, &right, &bottom );
6474
6475   int rightCol = m_numCols > 0 ? GetColRight(m_numCols - 1) : 0;
6476   int bottomRow = m_numRows > 0 ? GetRowBottom(m_numRows - 1) : 0 ;
6477
6478   if ( right > rightCol || bottom > bottomRow )
6479   {
6480       int left, top;
6481       CalcUnscrolledPosition( 0, 0, &left, &top );
6482
6483       dc.SetBrush( wxBrush(GetDefaultCellBackgroundColour(), wxSOLID) );
6484       dc.SetPen( *wxTRANSPARENT_PEN );
6485
6486       if ( right > rightCol )
6487       {
6488           dc.DrawRectangle( rightCol, top, right - rightCol, ch);
6489       }
6490
6491       if ( bottom > bottomRow )
6492       {
6493           dc.DrawRectangle( left, bottomRow, cw, bottom - bottomRow);
6494       }
6495   }
6496 }
6497
6498
6499 void wxGrid::DrawCell( wxDC& dc, const wxGridCellCoords& coords )
6500 {
6501     int row = coords.GetRow();
6502     int col = coords.GetCol();
6503
6504     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
6505         return;
6506
6507     // we draw the cell border ourselves
6508 #if !WXGRID_DRAW_LINES
6509     if ( m_gridLinesEnabled )
6510         DrawCellBorder( dc, coords );
6511 #endif
6512
6513     wxGridCellAttr* attr = GetCellAttr(row, col);
6514
6515     bool isCurrent = coords == m_currentCellCoords;
6516
6517     wxRect rect = CellToRect( row, col );
6518
6519     // if the editor is shown, we should use it and not the renderer
6520     // Note: However, only if it is really _shown_, i.e. not hidden!
6521     if ( isCurrent && IsCellEditControlShown() )
6522     {
6523         wxGridCellEditor *editor = attr->GetEditor(this, row, col);
6524         editor->PaintBackground(rect, attr);
6525         editor->DecRef();
6526     }
6527     else
6528     {
6529         // but all the rest is drawn by the cell renderer and hence may be
6530         // customized
6531         wxGridCellRenderer *renderer = attr->GetRenderer(this, row, col);
6532         renderer->Draw(*this, *attr, dc, rect, row, col, IsInSelection(coords));
6533         renderer->DecRef();
6534     }
6535
6536     attr->DecRef();
6537 }
6538
6539 void wxGrid::DrawCellHighlight( wxDC& dc, const wxGridCellAttr *attr )
6540 {
6541     int row = m_currentCellCoords.GetRow();
6542     int col = m_currentCellCoords.GetCol();
6543
6544     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
6545         return;
6546
6547     wxRect rect = CellToRect(row, col);
6548
6549     // hmmm... what could we do here to show that the cell is disabled?
6550     // for now, I just draw a thinner border than for the other ones, but
6551     // it doesn't look really good
6552
6553     int penWidth = attr->IsReadOnly() ? m_cellHighlightROPenWidth : m_cellHighlightPenWidth;
6554
6555     if (penWidth > 0)
6556     {
6557         // The center of th drawn line is where the position/width/height of
6558         // the rectangle is actually at, (on wxMSW atr least,) so we will
6559         // reduce the size of the rectangle to compensate for the thickness of
6560         // the line.  If this is too strange on non wxMSW platforms then
6561         // please #ifdef this appropriately.
6562         rect.x += penWidth/2;
6563         rect.y += penWidth/2;
6564         rect.width -= penWidth-1;
6565         rect.height -= penWidth-1;
6566
6567
6568         // Now draw the rectangle
6569         dc.SetPen(wxPen(m_cellHighlightColour, penWidth, wxSOLID));
6570         dc.SetBrush(*wxTRANSPARENT_BRUSH);
6571         dc.DrawRectangle(rect);
6572     }
6573
6574 #if 0
6575         // VZ: my experiments with 3d borders...
6576
6577         // how to properly set colours for arbitrary bg?
6578         wxCoord x1 = rect.x,
6579                 y1 = rect.y,
6580                 x2 = rect.x + rect.width -1,
6581                 y2 = rect.y + rect.height -1;
6582
6583         dc.SetPen(*wxWHITE_PEN);
6584         dc.DrawLine(x1, y1, x2, y1);
6585         dc.DrawLine(x1, y1, x1, y2);
6586
6587         dc.DrawLine(x1 + 1, y2 - 1, x2 - 1, y2 - 1);
6588         dc.DrawLine(x2 - 1, y1 + 1, x2 - 1, y2 );
6589
6590         dc.SetPen(*wxBLACK_PEN);
6591         dc.DrawLine(x1, y2, x2, y2);
6592         dc.DrawLine(x2, y1, x2, y2+1);
6593 #endif // 0
6594 }
6595
6596
6597 void wxGrid::DrawCellBorder( wxDC& dc, const wxGridCellCoords& coords )
6598 {
6599     int row = coords.GetRow();
6600     int col = coords.GetCol();
6601     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
6602         return;
6603
6604     dc.SetPen( wxPen(GetGridLineColour(), 1, wxSOLID) );
6605
6606     wxRect rect = CellToRect( row, col );
6607
6608     // right hand border
6609     //
6610     dc.DrawLine( rect.x + rect.width, rect.y,
6611                  rect.x + rect.width, rect.y + rect.height + 1 );
6612
6613     // bottom border
6614     //
6615     dc.DrawLine( rect.x,              rect.y + rect.height,
6616                  rect.x + rect.width, rect.y + rect.height);
6617 }
6618
6619 void wxGrid::DrawHighlight(wxDC& dc,const  wxGridCellCoordsArray& cells)
6620 {
6621     // This if block was previously in wxGrid::OnPaint but that doesn't
6622     // seem to get called under wxGTK - MB
6623     //
6624     if ( m_currentCellCoords == wxGridNoCellCoords  &&
6625          m_numRows && m_numCols )
6626     {
6627         m_currentCellCoords.Set(0, 0);
6628     }
6629
6630     if ( IsCellEditControlShown() )
6631     {
6632         // don't show highlight when the edit control is shown
6633         return;
6634     }
6635
6636     // if the active cell was repainted, repaint its highlight too because it
6637     // might have been damaged by the grid lines
6638     size_t count = cells.GetCount();
6639     for ( size_t n = 0; n < count; n++ )
6640     {
6641         if ( cells[n] == m_currentCellCoords )
6642         {
6643             wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords);
6644             DrawCellHighlight(dc, attr);
6645             attr->DecRef();
6646
6647             break;
6648         }
6649     }
6650 }
6651
6652 // TODO: remove this ???
6653 // This is used to redraw all grid lines e.g. when the grid line colour
6654 // has been changed
6655 //
6656 void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & WXUNUSED(reg) )
6657 {
6658 #if !WXGRID_DRAW_LINES
6659     return;
6660 #endif
6661
6662     if ( !m_gridLinesEnabled ||
6663          !m_numRows ||
6664          !m_numCols ) return;
6665
6666     int top, bottom, left, right;
6667
6668 #if 0  //#ifndef __WXGTK__
6669     if (reg.IsEmpty())
6670     {
6671       int cw, ch;
6672       m_gridWin->GetClientSize(&cw, &ch);
6673
6674       // virtual coords of visible area
6675       //
6676       CalcUnscrolledPosition( 0, 0, &left, &top );
6677       CalcUnscrolledPosition( cw, ch, &right, &bottom );
6678     }
6679     else
6680     {
6681       wxCoord x, y, w, h;
6682       reg.GetBox(x, y, w, h);
6683       CalcUnscrolledPosition( x, y, &left, &top );
6684       CalcUnscrolledPosition( x + w, y + h, &right, &bottom );
6685     }
6686 #else
6687       int cw, ch;
6688       m_gridWin->GetClientSize(&cw, &ch);
6689       CalcUnscrolledPosition( 0, 0, &left, &top );
6690       CalcUnscrolledPosition( cw, ch, &right, &bottom );
6691 #endif
6692
6693     // avoid drawing grid lines past the last row and col
6694     //
6695     right = wxMin( right, GetColRight(m_numCols - 1) );
6696     bottom = wxMin( bottom, GetRowBottom(m_numRows - 1) );
6697
6698     // no gridlines inside multicells, clip them out
6699     int leftCol   = XToCol(left);
6700     int topRow    = YToRow(top);
6701     int rightCol  = XToCol(right);
6702     int bottomRow = YToRow(bottom);
6703     wxRegion clippedcells(0, 0, cw, ch);
6704
6705     if ((leftCol >= 0) && (topRow >= 0))
6706     {
6707         if (rightCol  < 0) rightCol  = m_numCols;
6708         if (bottomRow < 0) bottomRow = m_numRows;
6709
6710         int i, j, cell_rows, cell_cols;
6711         wxRect rect;
6712
6713         for (j=topRow; j<bottomRow; j++)
6714         {
6715             for (i=leftCol; i<rightCol; i++)
6716             {
6717                 GetCellSize( j, i, &cell_rows, &cell_cols );
6718                 if ((cell_rows > 1) || (cell_cols > 1))
6719                 {
6720                     rect = CellToRect(j,i);
6721                     CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
6722                     clippedcells.Subtract(rect);
6723                 }
6724                 else if ((cell_rows < 0) || (cell_cols < 0))
6725                 {
6726                     rect = CellToRect(j+cell_rows, i+cell_cols);
6727                     CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
6728                     clippedcells.Subtract(rect);
6729                 }
6730             }
6731         }
6732     }
6733     dc.SetClippingRegion( clippedcells );
6734
6735     dc.SetPen( wxPen(GetGridLineColour(), 1, wxSOLID) );
6736
6737     // horizontal grid lines
6738     //
6739     int i;
6740     for ( i = internalYToRow(top); i < m_numRows; i++ )
6741     {
6742         int bot = GetRowBottom(i) - 1;
6743
6744         if ( bot > bottom )
6745         {
6746             break;
6747         }
6748
6749         if ( bot >= top )
6750         {
6751             dc.DrawLine( left, bot, right, bot );
6752         }
6753     }
6754
6755
6756     // vertical grid lines
6757     //
6758     for ( i = internalXToCol(left); i < m_numCols; i++ )
6759     {
6760         int colRight = GetColRight(i) - 1;
6761         if ( colRight > right )
6762         {
6763             break;
6764         }
6765
6766         if ( colRight >= left )
6767         {
6768             dc.DrawLine( colRight, top, colRight, bottom );
6769         }
6770     }
6771     dc.DestroyClippingRegion();
6772 }
6773
6774
6775 void wxGrid::DrawRowLabels( wxDC& dc ,const wxArrayInt& rows)
6776 {
6777     if ( !m_numRows ) return;
6778
6779     size_t i;
6780     size_t numLabels = rows.GetCount();
6781
6782     for ( i = 0;  i < numLabels;  i++ )
6783     {
6784         DrawRowLabel( dc, rows[i] );
6785     }
6786 }
6787
6788
6789 void wxGrid::DrawRowLabel( wxDC& dc, int row )
6790 {
6791     if ( GetRowHeight(row) <= 0 )
6792         return;
6793
6794     int rowTop = GetRowTop(row),
6795         rowBottom = GetRowBottom(row) - 1;
6796
6797     dc.SetPen( *wxBLACK_PEN );
6798     dc.DrawLine( m_rowLabelWidth-1, rowTop,
6799                  m_rowLabelWidth-1, rowBottom );
6800
6801     dc.DrawLine( 0, rowBottom, m_rowLabelWidth-1, rowBottom );
6802
6803     dc.SetPen( *wxWHITE_PEN );
6804     dc.DrawLine( 0, rowTop, 0, rowBottom );
6805     dc.DrawLine( 0, rowTop, m_rowLabelWidth-1, rowTop );
6806
6807     dc.SetBackgroundMode( wxTRANSPARENT );
6808     dc.SetTextForeground( GetLabelTextColour() );
6809     dc.SetFont( GetLabelFont() );
6810
6811     int hAlign, vAlign;
6812     GetRowLabelAlignment( &hAlign, &vAlign );
6813
6814     wxRect rect;
6815     rect.SetX( 2 );
6816     rect.SetY( GetRowTop(row) + 2 );
6817     rect.SetWidth( m_rowLabelWidth - 4 );
6818     rect.SetHeight( GetRowHeight(row) - 4 );
6819     DrawTextRectangle( dc, GetRowLabelValue( row ), rect, hAlign, vAlign );
6820 }
6821
6822
6823 void wxGrid::DrawColLabels( wxDC& dc,const wxArrayInt& cols )
6824 {
6825     if ( !m_numCols ) return;
6826
6827     size_t i;
6828     size_t numLabels = cols.GetCount();
6829
6830     for ( i = 0;  i < numLabels;  i++ )
6831     {
6832         DrawColLabel( dc, cols[i] );
6833     }
6834 }
6835
6836
6837 void wxGrid::DrawColLabel( wxDC& dc, int col )
6838 {
6839     if ( GetColWidth(col) <= 0 )
6840         return;
6841
6842     int colLeft = GetColLeft(col),
6843         colRight = GetColRight(col) - 1;
6844
6845     dc.SetPen( *wxBLACK_PEN );
6846     dc.DrawLine( colRight, 0,
6847                  colRight, m_colLabelHeight-1 );
6848
6849     dc.DrawLine( colLeft, m_colLabelHeight-1,
6850                  colRight, m_colLabelHeight-1 );
6851
6852     dc.SetPen( *wxWHITE_PEN );
6853     dc.DrawLine( colLeft, 0, colLeft, m_colLabelHeight-1 );
6854     dc.DrawLine( colLeft, 0, colRight, 0 );
6855
6856     dc.SetBackgroundMode( wxTRANSPARENT );
6857     dc.SetTextForeground( GetLabelTextColour() );
6858     dc.SetFont( GetLabelFont() );
6859
6860     dc.SetBackgroundMode( wxTRANSPARENT );
6861     dc.SetTextForeground( GetLabelTextColour() );
6862     dc.SetFont( GetLabelFont() );
6863
6864     int hAlign, vAlign;
6865     GetColLabelAlignment( &hAlign, &vAlign );
6866
6867     wxRect rect;
6868     rect.SetX( colLeft + 2 );
6869     rect.SetY( 2 );
6870     rect.SetWidth( GetColWidth(col) - 4 );
6871     rect.SetHeight( m_colLabelHeight - 4 );
6872     DrawTextRectangle( dc, GetColLabelValue( col ), rect, hAlign, vAlign );
6873 }
6874
6875 void wxGrid::DrawTextRectangle( wxDC& dc,
6876                                 const wxString& value,
6877                                 const wxRect& rect,
6878                                 int horizAlign,
6879                                 int vertAlign )
6880 {
6881     wxArrayString lines;
6882
6883     StringToLines( value, lines );
6884
6885
6886     //Forward to new API.
6887     DrawTextRectangle(  dc,
6888                         lines,
6889                         rect,
6890                         horizAlign,
6891                         vertAlign );
6892
6893 }
6894
6895 void wxGrid::DrawTextRectangle( wxDC& dc,
6896                                 const wxArrayString& lines,
6897                                 const wxRect& rect,
6898                                 int horizAlign,
6899                                 int vertAlign )
6900 {
6901     long textWidth, textHeight;
6902     long lineWidth, lineHeight;
6903
6904     dc.SetClippingRegion( rect );
6905     if ( lines.GetCount() )
6906     {
6907         GetTextBoxSize( dc, lines, &textWidth, &textHeight );
6908         dc.GetTextExtent( lines[0], &lineWidth, &lineHeight );
6909
6910         float x, y;
6911         switch ( horizAlign )
6912         {
6913             case wxALIGN_RIGHT:
6914                 x = rect.x + (rect.width - textWidth - 1);
6915                 break;
6916
6917             case wxALIGN_CENTRE:
6918                 x = rect.x + ((rect.width - textWidth)/2);
6919                 break;
6920
6921             case wxALIGN_LEFT:
6922             default:
6923                 x = rect.x + 1;
6924                 break;
6925         }
6926
6927         switch ( vertAlign )
6928         {
6929             case wxALIGN_BOTTOM:
6930                 y = rect.y + (rect.height - textHeight - 1);
6931                 break;
6932
6933             case wxALIGN_CENTRE:
6934                 y = rect.y + ((rect.height - textHeight)/2);
6935                 break;
6936
6937             case wxALIGN_TOP:
6938             default:
6939                 y = rect.y + 1;
6940                 break;
6941         }
6942
6943         for ( size_t i = 0;  i < lines.GetCount();  i++ )
6944         {
6945             dc.DrawText( lines[i], (int)x, (int)y );
6946             y += lineHeight;
6947         }
6948     }
6949
6950     dc.DestroyClippingRegion();
6951 }
6952
6953
6954 // Split multi line text up into an array of strings.  Any existing
6955 // contents of the string array are preserved.
6956 //
6957 void wxGrid::StringToLines( const wxString& value, wxArrayString& lines )
6958 {
6959     int startPos = 0;
6960     int pos;
6961     wxString eol = wxTextFile::GetEOL( wxTextFileType_Unix );
6962     wxString tVal = wxTextFile::Translate( value, wxTextFileType_Unix );
6963
6964     while ( startPos < (int)tVal.Length() )
6965     {
6966         pos = tVal.Mid(startPos).Find( eol );
6967         if ( pos < 0 )
6968         {
6969             break;
6970         }
6971         else if ( pos == 0 )
6972         {
6973             lines.Add( wxEmptyString );
6974         }
6975         else
6976         {
6977             lines.Add( value.Mid(startPos, pos) );
6978         }
6979         startPos += pos+1;
6980     }
6981     if ( startPos < (int)value.Length() )
6982     {
6983         lines.Add( value.Mid( startPos ) );
6984     }
6985 }
6986
6987
6988 void wxGrid::GetTextBoxSize( wxDC& dc,
6989                              const wxArrayString& lines,
6990                              long *width, long *height )
6991 {
6992     long w = 0;
6993     long h = 0;
6994     long lineW, lineH;
6995
6996     size_t i;
6997     for ( i = 0;  i < lines.GetCount();  i++ )
6998     {
6999         dc.GetTextExtent( lines[i], &lineW, &lineH );
7000         w = wxMax( w, lineW );
7001         h += lineH;
7002     }
7003
7004     *width = w;
7005     *height = h;
7006 }
7007
7008 //
7009 // ------ Batch processing.
7010 //
7011 void wxGrid::EndBatch()
7012 {
7013     if ( m_batchCount > 0 )
7014     {
7015         m_batchCount--;
7016         if ( !m_batchCount )
7017         {
7018             CalcDimensions();
7019             m_rowLabelWin->Refresh();
7020             m_colLabelWin->Refresh();
7021             m_cornerLabelWin->Refresh();
7022             m_gridWin->Refresh();
7023         }
7024     }
7025 }
7026
7027 // Use this, rather than wxWindow::Refresh(), to force an immediate
7028 // repainting of the grid. Has no effect if you are already inside a
7029 // BeginBatch / EndBatch block.
7030 //
7031 void wxGrid::ForceRefresh()
7032 {
7033     BeginBatch();
7034     EndBatch();
7035 }
7036
7037
7038 //
7039 // ------ Edit control functions
7040 //
7041
7042
7043 void wxGrid::EnableEditing( bool edit )
7044 {
7045     // TODO: improve this ?
7046     //
7047     if ( edit != m_editable )
7048     {
7049         if(!edit) EnableCellEditControl(edit);
7050         m_editable = edit;
7051     }
7052 }
7053
7054
7055 void wxGrid::EnableCellEditControl( bool enable )
7056 {
7057     if (! m_editable)
7058         return;
7059
7060     if ( m_currentCellCoords == wxGridNoCellCoords )
7061         SetCurrentCell( 0, 0 );
7062
7063     if ( enable != m_cellEditCtrlEnabled )
7064     {
7065         if ( enable )
7066         {
7067             if (SendEvent( wxEVT_GRID_EDITOR_SHOWN) <0)
7068                 return;
7069
7070             // this should be checked by the caller!
7071             wxASSERT_MSG( CanEnableCellControl(),
7072                           _T("can't enable editing for this cell!") );
7073
7074             // do it before ShowCellEditControl()
7075             m_cellEditCtrlEnabled = enable;
7076
7077             ShowCellEditControl();
7078         }
7079         else
7080         {
7081             //FIXME:add veto support
7082             SendEvent( wxEVT_GRID_EDITOR_HIDDEN);
7083
7084             HideCellEditControl();
7085             SaveEditControlValue();
7086
7087             // do it after HideCellEditControl()
7088             m_cellEditCtrlEnabled = enable;
7089         }
7090     }
7091 }
7092
7093 bool wxGrid::IsCurrentCellReadOnly() const
7094 {
7095     // const_cast
7096     wxGridCellAttr* attr = ((wxGrid *)this)->GetCellAttr(m_currentCellCoords);
7097     bool readonly = attr->IsReadOnly();
7098     attr->DecRef();
7099
7100     return readonly;
7101 }
7102
7103 bool wxGrid::CanEnableCellControl() const
7104 {
7105     return m_editable && !IsCurrentCellReadOnly();
7106 }
7107
7108 bool wxGrid::IsCellEditControlEnabled() const
7109 {
7110     // the cell edit control might be disable for all cells or just for the
7111     // current one if it's read only
7112     return m_cellEditCtrlEnabled ? !IsCurrentCellReadOnly() : FALSE;
7113 }
7114
7115 bool wxGrid::IsCellEditControlShown() const
7116 {
7117     bool isShown = FALSE;
7118
7119     if ( m_cellEditCtrlEnabled )
7120     {
7121         int row = m_currentCellCoords.GetRow();
7122         int col = m_currentCellCoords.GetCol();
7123         wxGridCellAttr* attr = GetCellAttr(row, col);
7124         wxGridCellEditor* editor = attr->GetEditor((wxGrid*) this, row, col);
7125         attr->DecRef();
7126
7127         if ( editor )
7128         {
7129             if ( editor->IsCreated() )
7130             {
7131                 isShown = editor->GetControl()->IsShown();
7132             }
7133
7134             editor->DecRef();
7135         }
7136     }
7137
7138     return isShown;
7139 }
7140
7141 void wxGrid::ShowCellEditControl()
7142 {
7143     if ( IsCellEditControlEnabled() )
7144     {
7145         if ( !IsVisible( m_currentCellCoords ) )
7146         {
7147             m_cellEditCtrlEnabled = FALSE;
7148             return;
7149         }
7150         else
7151         {
7152             wxRect rect = CellToRect( m_currentCellCoords );
7153             int row = m_currentCellCoords.GetRow();
7154             int col = m_currentCellCoords.GetCol();
7155
7156             // if this is part of a multicell, find owner (topleft)
7157             int cell_rows, cell_cols;
7158             GetCellSize( row, col, &cell_rows, &cell_cols );
7159             if ( cell_rows <= 0 || cell_cols <= 0 )
7160             {
7161                 row += cell_rows;
7162                 col += cell_cols;
7163                 m_currentCellCoords.SetRow( row );
7164                 m_currentCellCoords.SetCol( col );
7165             }
7166
7167             // convert to scrolled coords
7168             //
7169             CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
7170
7171             // done in PaintBackground()
7172 #if 0
7173             // erase the highlight and the cell contents because the editor
7174             // might not cover the entire cell
7175             wxClientDC dc( m_gridWin );
7176             PrepareDC( dc );
7177             dc.SetBrush(*wxLIGHT_GREY_BRUSH); //wxBrush(attr->GetBackgroundColour(), wxSOLID));
7178             dc.SetPen(*wxTRANSPARENT_PEN);
7179             dc.DrawRectangle(rect);
7180 #endif // 0
7181
7182             // cell is shifted by one pixel
7183             // However, don't allow x or y to become negative
7184             // since the SetSize() method interprets that as
7185             // "don't change."
7186             if (rect.x > 0)
7187                 rect.x--;
7188             if (rect.y > 0)
7189                 rect.y--;
7190
7191             wxGridCellAttr* attr = GetCellAttr(row, col);
7192             wxGridCellEditor* editor = attr->GetEditor(this, row, col);
7193             if ( !editor->IsCreated() )
7194             {
7195                 editor->Create(m_gridWin, -1,
7196                                new wxGridCellEditorEvtHandler(this, editor));
7197
7198                 wxGridEditorCreatedEvent evt(GetId(),
7199                                              wxEVT_GRID_EDITOR_CREATED,
7200                                              this,
7201                                              row,
7202                                              col,
7203                                              editor->GetControl());
7204                 GetEventHandler()->ProcessEvent(evt);
7205             }
7206
7207             editor->Show( TRUE, attr );
7208
7209             // resize editor to overflow into righthand cells if allowed
7210             wxString value = GetCellValue(row, col);
7211             if ( (value != wxEmptyString) && (attr->GetOverflow()) )
7212             {
7213                 wxClientDC dc(m_gridWin);
7214                 wxCoord y = 0, best_width = 0;
7215                 dc.SetFont(attr->GetFont());
7216                 dc.GetTextExtent(value, &best_width, &y);
7217
7218                 int cell_rows, cell_cols;
7219                 attr->GetSize( &cell_rows, &cell_cols );
7220
7221                 if ((best_width > rect.width) && (col < m_numCols) && m_table)
7222                 {
7223                     int i;
7224                     for (i = col+cell_cols; i < m_numCols; i++)
7225                     {
7226                         if (m_table->IsEmptyCell(row,i))
7227                         {
7228                             rect.width += GetColWidth(i);
7229                             if (rect.width >= best_width) break;
7230                         }
7231                         else
7232                             break;
7233                     }
7234                 }
7235             }
7236             editor->SetSize( rect );
7237
7238             editor->BeginEdit(row, col, this);
7239
7240             editor->DecRef();
7241             attr->DecRef();
7242          }
7243     }
7244 }
7245
7246
7247 void wxGrid::HideCellEditControl()
7248 {
7249     if ( IsCellEditControlEnabled() )
7250     {
7251         int row = m_currentCellCoords.GetRow();
7252         int col = m_currentCellCoords.GetCol();
7253
7254         wxGridCellAttr* attr = GetCellAttr(row, col);
7255         wxGridCellEditor *editor = attr->GetEditor(this, row, col);
7256         editor->Show( FALSE );
7257         editor->DecRef();
7258         attr->DecRef();
7259         m_gridWin->SetFocus();
7260         // refresh whole row to the right
7261         wxRect rect( CellToRect(row, col) );
7262         CalcScrolledPosition(rect.x, rect.y, &rect.x, &rect.y );
7263         rect.width = m_gridWin->GetClientSize().GetWidth() - rect.x;
7264         m_gridWin->Refresh( FALSE, &rect );
7265     }
7266 }
7267
7268
7269 void wxGrid::SaveEditControlValue()
7270 {
7271     if ( IsCellEditControlEnabled() )
7272     {
7273         int row = m_currentCellCoords.GetRow();
7274         int col = m_currentCellCoords.GetCol();
7275
7276         wxString oldval = GetCellValue(row,col);
7277
7278         wxGridCellAttr* attr = GetCellAttr(row, col);
7279         wxGridCellEditor* editor = attr->GetEditor(this, row, col);
7280         bool changed = editor->EndEdit(row, col, this);
7281
7282         editor->DecRef();
7283         attr->DecRef();
7284
7285         if (changed)
7286         {
7287             if ( SendEvent( wxEVT_GRID_CELL_CHANGE,
7288                        m_currentCellCoords.GetRow(),
7289                        m_currentCellCoords.GetCol() ) < 0 ) {
7290
7291                 // Event has been vetoed, set the data back.
7292                 SetCellValue(row,col,oldval);
7293             }
7294         }
7295     }
7296 }
7297
7298
7299 //
7300 // ------ Grid location functions
7301 //  Note that all of these functions work with the logical coordinates of
7302 //  grid cells and labels so you will need to convert from device
7303 //  coordinates for mouse events etc.
7304 //
7305
7306 void wxGrid::XYToCell( int x, int y, wxGridCellCoords& coords )
7307 {
7308     int row = YToRow(y);
7309     int col = XToCol(x);
7310
7311     if ( row == -1  ||  col == -1 )
7312     {
7313         coords = wxGridNoCellCoords;
7314     }
7315     else
7316     {
7317         coords.Set( row, col );
7318     }
7319 }
7320
7321
7322 // Internal Helper function for computing row or column from some
7323 // (unscrolled) coordinate value, using either
7324 // m_defaultRowHeight/m_defaultColWidth or binary search on array
7325 // of m_rowBottoms/m_ColRights to speed up the search!
7326
7327 static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
7328                            const wxArrayInt& BorderArray, int nMax,
7329                            bool maxOnOverflow)
7330 {
7331     if (!defaultDist)
7332         defaultDist = 1;
7333     size_t i_max = coord / defaultDist,
7334            i_min = 0;
7335     if (BorderArray.IsEmpty())
7336     {
7337         if((int) i_max <= nMax)
7338             return i_max;
7339         return maxOnOverflow ? (int)i_max : -1;
7340     }
7341
7342     if ( i_max >= BorderArray.GetCount())
7343         i_max = BorderArray.GetCount() - 1;
7344     else
7345     {
7346         if ( coord >= BorderArray[i_max])
7347         {
7348             i_min = i_max;
7349             i_max = coord / minDist;
7350         }
7351         if ( i_max >= BorderArray.GetCount())
7352             i_max = BorderArray.GetCount() - 1;
7353     }
7354     if ( coord >= BorderArray[i_max])
7355         return maxOnOverflow ? (int)i_max : -1;
7356     if ( coord < BorderArray[0] )
7357         return 0;
7358
7359     while ( i_max - i_min > 0 )
7360     {
7361         wxCHECK_MSG(BorderArray[i_min] <= coord && coord < BorderArray[i_max],
7362                     0, _T("wxGrid: internal error in CoordToRowOrCol"));
7363         if (coord >=  BorderArray[ i_max - 1])
7364             return i_max;
7365         else
7366             i_max--;
7367         int median = i_min + (i_max - i_min + 1) / 2;
7368         if (coord < BorderArray[median])
7369             i_max = median;
7370         else
7371             i_min = median;
7372     }
7373     return i_max;
7374 }
7375
7376 int wxGrid::YToRow( int y )
7377 {
7378     return CoordToRowOrCol(y, m_defaultRowHeight,
7379                            WXGRID_MIN_ROW_HEIGHT, m_rowBottoms, m_numRows, FALSE);
7380 }
7381
7382
7383 int wxGrid::XToCol( int x )
7384 {
7385     return CoordToRowOrCol(x, m_defaultColWidth,
7386                            WXGRID_MIN_COL_WIDTH, m_colRights, m_numCols, FALSE);
7387 }
7388
7389
7390 // return the row number that that the y coord is near the edge of, or
7391 // -1 if not near an edge
7392 //
7393 int wxGrid::YToEdgeOfRow( int y )
7394 {
7395     int i;
7396     i = internalYToRow(y);
7397
7398     if ( GetRowHeight(i) > WXGRID_LABEL_EDGE_ZONE )
7399     {
7400         // We know that we are in row i, test whether we are
7401         // close enough to lower or upper border, respectively.
7402         if ( abs(GetRowBottom(i) - y) < WXGRID_LABEL_EDGE_ZONE )
7403             return i;
7404         else if( i > 0 && y - GetRowTop(i) < WXGRID_LABEL_EDGE_ZONE )
7405             return i - 1;
7406     }
7407
7408     return -1;
7409 }
7410
7411
7412 // return the col number that that the x coord is near the edge of, or
7413 // -1 if not near an edge
7414 //
7415 int wxGrid::XToEdgeOfCol( int x )
7416 {
7417     int i;
7418     i = internalXToCol(x);
7419
7420     if ( GetColWidth(i) > WXGRID_LABEL_EDGE_ZONE )
7421     {
7422         // We know that we are in column i,  test whether we are
7423         // close enough to right or left border, respectively.
7424         if ( abs(GetColRight(i) - x) < WXGRID_LABEL_EDGE_ZONE )
7425             return i;
7426         else if( i > 0 && x - GetColLeft(i) < WXGRID_LABEL_EDGE_ZONE )
7427             return i - 1;
7428     }
7429
7430     return -1;
7431 }
7432
7433
7434 wxRect wxGrid::CellToRect( int row, int col )
7435 {
7436     wxRect rect( -1, -1, -1, -1 );
7437
7438     if ( row >= 0  &&  row < m_numRows  &&
7439          col >= 0  &&  col < m_numCols )
7440     {
7441         int i, cell_rows, cell_cols;
7442         rect.width = rect.height = 0;
7443         GetCellSize( row, col, &cell_rows, &cell_cols );
7444         // if negative then find multicell owner
7445         if (cell_rows < 0) row += cell_rows;
7446         if (cell_cols < 0) col += cell_cols;
7447         GetCellSize( row, col, &cell_rows, &cell_cols );
7448
7449         rect.x = GetColLeft(col);
7450         rect.y = GetRowTop(row);
7451         for (i=col; i<col+cell_cols; i++)
7452             rect.width  += GetColWidth(i);
7453         for (i=row; i<row+cell_rows; i++)
7454             rect.height += GetRowHeight(i);
7455     }
7456
7457     // if grid lines are enabled, then the area of the cell is a bit smaller
7458     if (m_gridLinesEnabled) {
7459         rect.width -= 1;
7460         rect.height -= 1;
7461     }
7462     return rect;
7463 }
7464
7465
7466 bool wxGrid::IsVisible( int row, int col, bool wholeCellVisible )
7467 {
7468     // get the cell rectangle in logical coords
7469     //
7470     wxRect r( CellToRect( row, col ) );
7471
7472     // convert to device coords
7473     //
7474     int left, top, right, bottom;
7475     CalcScrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
7476     CalcScrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
7477
7478     // check against the client area of the grid window
7479     //
7480     int cw, ch;
7481     m_gridWin->GetClientSize( &cw, &ch );
7482
7483     if ( wholeCellVisible )
7484     {
7485         // is the cell wholly visible ?
7486         //
7487         return ( left >= 0  &&  right <= cw  &&
7488                  top >= 0  &&  bottom <= ch );
7489     }
7490     else
7491     {
7492         // is the cell partly visible ?
7493         //
7494         return ( ((left >=0 && left < cw) || (right > 0 && right <= cw))  &&
7495                  ((top >=0 && top < ch) || (bottom > 0 && bottom <= ch)) );
7496     }
7497 }
7498
7499
7500 // make the specified cell location visible by doing a minimal amount
7501 // of scrolling
7502 //
7503 void wxGrid::MakeCellVisible( int row, int col )
7504 {
7505
7506     int i;
7507     int xpos = -1, ypos = -1;
7508
7509     if ( row >= 0  &&  row < m_numRows  &&
7510          col >= 0  &&  col < m_numCols )
7511     {
7512         // get the cell rectangle in logical coords
7513         //
7514         wxRect r( CellToRect( row, col ) );
7515
7516         // convert to device coords
7517         //
7518         int left, top, right, bottom;
7519         CalcScrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
7520         CalcScrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
7521
7522         int cw, ch;
7523         m_gridWin->GetClientSize( &cw, &ch );
7524
7525         if ( top < 0 )
7526         {
7527             ypos = r.GetTop();
7528         }
7529         else if ( bottom > ch )
7530         {
7531             int h = r.GetHeight();
7532             ypos = r.GetTop();
7533             for ( i = row-1;  i >= 0;  i-- )
7534             {
7535                 int rowHeight = GetRowHeight(i);
7536                 if ( h + rowHeight > ch )
7537                     break;
7538
7539                 h += rowHeight;
7540                 ypos -= rowHeight;
7541             }
7542
7543             // we divide it later by GRID_SCROLL_LINE, make sure that we don't
7544             // have rounding errors (this is important, because if we do, we
7545             // might not scroll at all and some cells won't be redrawn)
7546             //
7547             // Sometimes GRID_SCROLL_LINE/2 is not enough, so just add a full
7548             // scroll unit...
7549             ypos += GRID_SCROLL_LINE_Y;
7550         }
7551
7552         if ( left < 0 )
7553         {
7554             xpos = r.GetLeft();
7555         }
7556         else if ( right > cw )
7557         {
7558             int w = r.GetWidth();
7559             xpos = r.GetLeft();
7560             for ( i = col-1;  i >= 0;  i-- )
7561             {
7562                 int colWidth = GetColWidth(i);
7563                 if ( w + colWidth > cw )
7564                     break;
7565
7566                 w += colWidth;
7567                 xpos -= colWidth;
7568             }
7569
7570             // see comment for ypos above
7571             xpos += GRID_SCROLL_LINE_X;
7572         }
7573
7574         if ( xpos != -1  ||  ypos != -1 )
7575         {
7576             if ( xpos != -1 )
7577                 xpos /= GRID_SCROLL_LINE_X;
7578             if ( ypos != -1 )
7579                 ypos /= GRID_SCROLL_LINE_Y;
7580             Scroll( xpos, ypos );
7581             AdjustScrollbars();
7582         }
7583     }
7584 }
7585
7586
7587 //
7588 // ------ Grid cursor movement functions
7589 //
7590
7591 bool wxGrid::MoveCursorUp( bool expandSelection )
7592 {
7593     if ( m_currentCellCoords != wxGridNoCellCoords  &&
7594          m_currentCellCoords.GetRow() >= 0 )
7595     {
7596         if ( expandSelection)
7597         {
7598             if ( m_selectingKeyboard == wxGridNoCellCoords )
7599                 m_selectingKeyboard = m_currentCellCoords;
7600             if ( m_selectingKeyboard.GetRow() > 0 )
7601             {
7602                 m_selectingKeyboard.SetRow( m_selectingKeyboard.GetRow() - 1 );
7603                 MakeCellVisible( m_selectingKeyboard.GetRow(),
7604                                  m_selectingKeyboard.GetCol() );
7605                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7606             }
7607         }
7608         else if ( m_currentCellCoords.GetRow() > 0 )
7609         {
7610             ClearSelection();
7611             MakeCellVisible( m_currentCellCoords.GetRow() - 1,
7612                              m_currentCellCoords.GetCol() );
7613             SetCurrentCell( m_currentCellCoords.GetRow() - 1,
7614                             m_currentCellCoords.GetCol() );
7615         }
7616         else
7617             return FALSE;
7618         return TRUE;
7619     }
7620
7621     return FALSE;
7622 }
7623
7624
7625 bool wxGrid::MoveCursorDown( bool expandSelection )
7626 {
7627     if ( m_currentCellCoords != wxGridNoCellCoords  &&
7628          m_currentCellCoords.GetRow() < m_numRows )
7629     {
7630         if ( expandSelection )
7631         {
7632             if ( m_selectingKeyboard == wxGridNoCellCoords )
7633                 m_selectingKeyboard = m_currentCellCoords;
7634             if ( m_selectingKeyboard.GetRow() < m_numRows-1 )
7635             {
7636                 m_selectingKeyboard.SetRow( m_selectingKeyboard.GetRow() + 1 );
7637                 MakeCellVisible( m_selectingKeyboard.GetRow(),
7638                         m_selectingKeyboard.GetCol() );
7639                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7640             }
7641         }
7642         else if ( m_currentCellCoords.GetRow() < m_numRows - 1 )
7643         {
7644             ClearSelection();
7645             MakeCellVisible( m_currentCellCoords.GetRow() + 1,
7646                              m_currentCellCoords.GetCol() );
7647             SetCurrentCell( m_currentCellCoords.GetRow() + 1,
7648                             m_currentCellCoords.GetCol() );
7649         }
7650         else
7651             return FALSE;
7652         return TRUE;
7653     }
7654
7655     return FALSE;
7656 }
7657
7658
7659 bool wxGrid::MoveCursorLeft( bool expandSelection )
7660 {
7661     if ( m_currentCellCoords != wxGridNoCellCoords  &&
7662          m_currentCellCoords.GetCol() >= 0 )
7663     {
7664         if ( expandSelection )
7665         {
7666             if ( m_selectingKeyboard == wxGridNoCellCoords )
7667                 m_selectingKeyboard = m_currentCellCoords;
7668             if ( m_selectingKeyboard.GetCol() > 0 )
7669             {
7670                 m_selectingKeyboard.SetCol( m_selectingKeyboard.GetCol() - 1 );
7671                 MakeCellVisible( m_selectingKeyboard.GetRow(),
7672                         m_selectingKeyboard.GetCol() );
7673                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7674             }
7675         }
7676         else if ( m_currentCellCoords.GetCol() > 0 )
7677         {
7678             ClearSelection();
7679             MakeCellVisible( m_currentCellCoords.GetRow(),
7680                              m_currentCellCoords.GetCol() - 1 );
7681             SetCurrentCell( m_currentCellCoords.GetRow(),
7682                             m_currentCellCoords.GetCol() - 1 );
7683         }
7684         else
7685             return FALSE;
7686         return TRUE;
7687     }
7688
7689     return FALSE;
7690 }
7691
7692
7693 bool wxGrid::MoveCursorRight( bool expandSelection )
7694 {
7695     if ( m_currentCellCoords != wxGridNoCellCoords  &&
7696          m_currentCellCoords.GetCol() < m_numCols )
7697     {
7698         if ( expandSelection )
7699         {
7700             if ( m_selectingKeyboard == wxGridNoCellCoords )
7701                 m_selectingKeyboard = m_currentCellCoords;
7702             if ( m_selectingKeyboard.GetCol() < m_numCols - 1 )
7703             {
7704                 m_selectingKeyboard.SetCol( m_selectingKeyboard.GetCol() + 1 );
7705                 MakeCellVisible( m_selectingKeyboard.GetRow(),
7706                         m_selectingKeyboard.GetCol() );
7707                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7708             }
7709         }
7710         else if ( m_currentCellCoords.GetCol() < m_numCols - 1 )
7711         {
7712             ClearSelection();
7713             MakeCellVisible( m_currentCellCoords.GetRow(),
7714                              m_currentCellCoords.GetCol() + 1 );
7715             SetCurrentCell( m_currentCellCoords.GetRow(),
7716                             m_currentCellCoords.GetCol() + 1 );
7717         }
7718         else
7719             return FALSE;
7720         return TRUE;
7721     }
7722
7723     return FALSE;
7724 }
7725
7726
7727 bool wxGrid::MovePageUp()
7728 {
7729     if ( m_currentCellCoords == wxGridNoCellCoords ) return FALSE;
7730
7731     int row = m_currentCellCoords.GetRow();
7732     if ( row > 0 )
7733     {
7734         int cw, ch;
7735         m_gridWin->GetClientSize( &cw, &ch );
7736
7737         int y = GetRowTop(row);
7738         int newRow = YToRow( y - ch + 1 );
7739         if ( newRow == -1 )
7740         {
7741             newRow = 0;
7742         }
7743         else if ( newRow == row )
7744         {
7745             newRow = row - 1;
7746         }
7747
7748         MakeCellVisible( newRow, m_currentCellCoords.GetCol() );
7749         SetCurrentCell( newRow, m_currentCellCoords.GetCol() );
7750
7751         return TRUE;
7752     }
7753
7754     return FALSE;
7755 }
7756
7757 bool wxGrid::MovePageDown()
7758 {
7759     if ( m_currentCellCoords == wxGridNoCellCoords ) return FALSE;
7760
7761     int row = m_currentCellCoords.GetRow();
7762     if ( row < m_numRows )
7763     {
7764         int cw, ch;
7765         m_gridWin->GetClientSize( &cw, &ch );
7766
7767         int y = GetRowTop(row);
7768         int newRow = YToRow( y + ch );
7769         if ( newRow == -1 )
7770         {
7771             newRow = m_numRows - 1;
7772         }
7773         else if ( newRow == row )
7774         {
7775             newRow = row + 1;
7776         }
7777
7778         MakeCellVisible( newRow, m_currentCellCoords.GetCol() );
7779         SetCurrentCell( newRow, m_currentCellCoords.GetCol() );
7780
7781         return TRUE;
7782     }
7783
7784     return FALSE;
7785 }
7786
7787 bool wxGrid::MoveCursorUpBlock( bool expandSelection )
7788 {
7789     if ( m_table &&
7790          m_currentCellCoords != wxGridNoCellCoords  &&
7791          m_currentCellCoords.GetRow() > 0 )
7792     {
7793         int row = m_currentCellCoords.GetRow();
7794         int col = m_currentCellCoords.GetCol();
7795
7796         if ( m_table->IsEmptyCell(row, col) )
7797         {
7798             // starting in an empty cell: find the next block of
7799             // non-empty cells
7800             //
7801             while ( row > 0 )
7802             {
7803                 row-- ;
7804                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7805             }
7806         }
7807         else if ( m_table->IsEmptyCell(row-1, col) )
7808         {
7809             // starting at the top of a block: find the next block
7810             //
7811             row--;
7812             while ( row > 0 )
7813             {
7814                 row-- ;
7815                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7816             }
7817         }
7818         else
7819         {
7820             // starting within a block: find the top of the block
7821             //
7822             while ( row > 0 )
7823             {
7824                 row-- ;
7825                 if ( m_table->IsEmptyCell(row, col) )
7826                 {
7827                     row++ ;
7828                     break;
7829                 }
7830             }
7831         }
7832
7833         MakeCellVisible( row, col );
7834         if ( expandSelection )
7835         {
7836             m_selectingKeyboard = wxGridCellCoords( row, col );
7837             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7838         }
7839         else
7840         {
7841             ClearSelection();
7842             SetCurrentCell( row, col );
7843         }
7844         return TRUE;
7845     }
7846
7847     return FALSE;
7848 }
7849
7850 bool wxGrid::MoveCursorDownBlock( bool expandSelection )
7851 {
7852     if ( m_table &&
7853          m_currentCellCoords != wxGridNoCellCoords  &&
7854          m_currentCellCoords.GetRow() < m_numRows-1 )
7855     {
7856         int row = m_currentCellCoords.GetRow();
7857         int col = m_currentCellCoords.GetCol();
7858
7859         if ( m_table->IsEmptyCell(row, col) )
7860         {
7861             // starting in an empty cell: find the next block of
7862             // non-empty cells
7863             //
7864             while ( row < m_numRows-1 )
7865             {
7866                 row++ ;
7867                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7868             }
7869         }
7870         else if ( m_table->IsEmptyCell(row+1, col) )
7871         {
7872             // starting at the bottom of a block: find the next block
7873             //
7874             row++;
7875             while ( row < m_numRows-1 )
7876             {
7877                 row++ ;
7878                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7879             }
7880         }
7881         else
7882         {
7883             // starting within a block: find the bottom of the block
7884             //
7885             while ( row < m_numRows-1 )
7886             {
7887                 row++ ;
7888                 if ( m_table->IsEmptyCell(row, col) )
7889                 {
7890                     row-- ;
7891                     break;
7892                 }
7893             }
7894         }
7895
7896         MakeCellVisible( row, col );
7897         if ( expandSelection )
7898         {
7899             m_selectingKeyboard = wxGridCellCoords( row, col );
7900             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7901         }
7902         else
7903         {
7904             ClearSelection();
7905             SetCurrentCell( row, col );
7906         }
7907
7908         return TRUE;
7909     }
7910
7911     return FALSE;
7912 }
7913
7914 bool wxGrid::MoveCursorLeftBlock( bool expandSelection )
7915 {
7916     if ( m_table &&
7917          m_currentCellCoords != wxGridNoCellCoords  &&
7918          m_currentCellCoords.GetCol() > 0 )
7919     {
7920         int row = m_currentCellCoords.GetRow();
7921         int col = m_currentCellCoords.GetCol();
7922
7923         if ( m_table->IsEmptyCell(row, col) )
7924         {
7925             // starting in an empty cell: find the next block of
7926             // non-empty cells
7927             //
7928             while ( col > 0 )
7929             {
7930                 col-- ;
7931                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7932             }
7933         }
7934         else if ( m_table->IsEmptyCell(row, col-1) )
7935         {
7936             // starting at the left of a block: find the next block
7937             //
7938             col--;
7939             while ( col > 0 )
7940             {
7941                 col-- ;
7942                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7943             }
7944         }
7945         else
7946         {
7947             // starting within a block: find the left of the block
7948             //
7949             while ( col > 0 )
7950             {
7951                 col-- ;
7952                 if ( m_table->IsEmptyCell(row, col) )
7953                 {
7954                     col++ ;
7955                     break;
7956                 }
7957             }
7958         }
7959
7960         MakeCellVisible( row, col );
7961         if ( expandSelection )
7962         {
7963             m_selectingKeyboard = wxGridCellCoords( row, col );
7964             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7965         }
7966         else
7967         {
7968             ClearSelection();
7969             SetCurrentCell( row, col );
7970         }
7971
7972         return TRUE;
7973     }
7974
7975     return FALSE;
7976 }
7977
7978 bool wxGrid::MoveCursorRightBlock( bool expandSelection )
7979 {
7980     if ( m_table &&
7981          m_currentCellCoords != wxGridNoCellCoords  &&
7982          m_currentCellCoords.GetCol() < m_numCols-1 )
7983     {
7984         int row = m_currentCellCoords.GetRow();
7985         int col = m_currentCellCoords.GetCol();
7986
7987         if ( m_table->IsEmptyCell(row, col) )
7988         {
7989             // starting in an empty cell: find the next block of
7990             // non-empty cells
7991             //
7992             while ( col < m_numCols-1 )
7993             {
7994                 col++ ;
7995                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7996             }
7997         }
7998         else if ( m_table->IsEmptyCell(row, col+1) )
7999         {
8000             // starting at the right of a block: find the next block
8001             //
8002             col++;
8003             while ( col < m_numCols-1 )
8004             {
8005                 col++ ;
8006                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
8007             }
8008         }
8009         else
8010         {
8011             // starting within a block: find the right of the block
8012             //
8013             while ( col < m_numCols-1 )
8014             {
8015                 col++ ;
8016                 if ( m_table->IsEmptyCell(row, col) )
8017                 {
8018                     col-- ;
8019                     break;
8020                 }
8021             }
8022         }
8023
8024         MakeCellVisible( row, col );
8025         if ( expandSelection )
8026         {
8027             m_selectingKeyboard = wxGridCellCoords( row, col );
8028             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
8029         }
8030         else
8031         {
8032             ClearSelection();
8033             SetCurrentCell( row, col );
8034         }
8035
8036         return TRUE;
8037     }
8038
8039     return FALSE;
8040 }
8041
8042
8043
8044 //
8045 // ------ Label values and formatting
8046 //
8047
8048 void wxGrid::GetRowLabelAlignment( int *horiz, int *vert )
8049 {
8050     *horiz = m_rowLabelHorizAlign;
8051     *vert  = m_rowLabelVertAlign;
8052 }
8053
8054 void wxGrid::GetColLabelAlignment( int *horiz, int *vert )
8055 {
8056     *horiz = m_colLabelHorizAlign;
8057     *vert  = m_colLabelVertAlign;
8058 }
8059
8060 wxString wxGrid::GetRowLabelValue( int row )
8061 {
8062     if ( m_table )
8063     {
8064         return m_table->GetRowLabelValue( row );
8065     }
8066     else
8067     {
8068         wxString s;
8069         s << row;
8070         return s;
8071     }
8072 }
8073
8074 wxString wxGrid::GetColLabelValue( int col )
8075 {
8076     if ( m_table )
8077     {
8078         return m_table->GetColLabelValue( col );
8079     }
8080     else
8081     {
8082         wxString s;
8083         s << col;
8084         return s;
8085     }
8086 }
8087
8088
8089 void wxGrid::SetRowLabelSize( int width )
8090 {
8091     width = wxMax( width, 0 );
8092     if ( width != m_rowLabelWidth )
8093     {
8094         if ( width == 0 )
8095         {
8096             m_rowLabelWin->Show( FALSE );
8097             m_cornerLabelWin->Show( FALSE );
8098         }
8099         else if ( m_rowLabelWidth == 0 )
8100         {
8101             m_rowLabelWin->Show( TRUE );
8102             if ( m_colLabelHeight > 0 ) m_cornerLabelWin->Show( TRUE );
8103         }
8104
8105         m_rowLabelWidth = width;
8106         CalcWindowSizes();
8107         wxScrolledWindow::Refresh( TRUE );
8108     }
8109 }
8110
8111
8112 void wxGrid::SetColLabelSize( int height )
8113 {
8114     height = wxMax( height, 0 );
8115     if ( height != m_colLabelHeight )
8116     {
8117         if ( height == 0 )
8118         {
8119             m_colLabelWin->Show( FALSE );
8120             m_cornerLabelWin->Show( FALSE );
8121         }
8122         else if ( m_colLabelHeight == 0 )
8123         {
8124             m_colLabelWin->Show( TRUE );
8125             if ( m_rowLabelWidth > 0 ) m_cornerLabelWin->Show( TRUE );
8126         }
8127
8128         m_colLabelHeight = height;
8129         CalcWindowSizes();
8130         wxScrolledWindow::Refresh( TRUE );
8131     }
8132 }
8133
8134
8135 void wxGrid::SetLabelBackgroundColour( const wxColour& colour )
8136 {
8137     if ( m_labelBackgroundColour != colour )
8138     {
8139         m_labelBackgroundColour = colour;
8140         m_rowLabelWin->SetBackgroundColour( colour );
8141         m_colLabelWin->SetBackgroundColour( colour );
8142         m_cornerLabelWin->SetBackgroundColour( colour );
8143
8144         if ( !GetBatchCount() )
8145         {
8146             m_rowLabelWin->Refresh();
8147             m_colLabelWin->Refresh();
8148             m_cornerLabelWin->Refresh();
8149         }
8150     }
8151 }
8152
8153 void wxGrid::SetLabelTextColour( const wxColour& colour )
8154 {
8155     if ( m_labelTextColour != colour )
8156     {
8157         m_labelTextColour = colour;
8158         if ( !GetBatchCount() )
8159         {
8160             m_rowLabelWin->Refresh();
8161             m_colLabelWin->Refresh();
8162         }
8163     }
8164 }
8165
8166 void wxGrid::SetLabelFont( const wxFont& font )
8167 {
8168     m_labelFont = font;
8169     if ( !GetBatchCount() )
8170     {
8171         m_rowLabelWin->Refresh();
8172         m_colLabelWin->Refresh();
8173     }
8174 }
8175
8176 void wxGrid::SetRowLabelAlignment( int horiz, int vert )
8177 {
8178     // allow old (incorrect) defs to be used
8179     switch ( horiz )
8180     {
8181         case wxLEFT:   horiz = wxALIGN_LEFT; break;
8182         case wxRIGHT:  horiz = wxALIGN_RIGHT; break;
8183         case wxCENTRE: horiz = wxALIGN_CENTRE; break;
8184     }
8185
8186     switch ( vert )
8187     {
8188         case wxTOP:    vert = wxALIGN_TOP;    break;
8189         case wxBOTTOM: vert = wxALIGN_BOTTOM; break;
8190         case wxCENTRE: vert = wxALIGN_CENTRE; break;
8191     }
8192
8193     if ( horiz == wxALIGN_LEFT || horiz == wxALIGN_CENTRE || horiz == wxALIGN_RIGHT )
8194     {
8195         m_rowLabelHorizAlign = horiz;
8196     }
8197
8198     if ( vert == wxALIGN_TOP || vert == wxALIGN_CENTRE || vert == wxALIGN_BOTTOM )
8199     {
8200         m_rowLabelVertAlign = vert;
8201     }
8202
8203     if ( !GetBatchCount() )
8204     {
8205         m_rowLabelWin->Refresh();
8206     }
8207 }
8208
8209 void wxGrid::SetColLabelAlignment( int horiz, int vert )
8210 {
8211     // allow old (incorrect) defs to be used
8212     switch ( horiz )
8213     {
8214         case wxLEFT:   horiz = wxALIGN_LEFT; break;
8215         case wxRIGHT:  horiz = wxALIGN_RIGHT; break;
8216         case wxCENTRE: horiz = wxALIGN_CENTRE; break;
8217     }
8218
8219     switch ( vert )
8220     {
8221         case wxTOP:    vert = wxALIGN_TOP;    break;
8222         case wxBOTTOM: vert = wxALIGN_BOTTOM; break;
8223         case wxCENTRE: vert = wxALIGN_CENTRE; break;
8224     }
8225
8226     if ( horiz == wxALIGN_LEFT || horiz == wxALIGN_CENTRE || horiz == wxALIGN_RIGHT )
8227     {
8228         m_colLabelHorizAlign = horiz;
8229     }
8230
8231     if ( vert == wxALIGN_TOP || vert == wxALIGN_CENTRE || vert == wxALIGN_BOTTOM )
8232     {
8233         m_colLabelVertAlign = vert;
8234     }
8235
8236     if ( !GetBatchCount() )
8237     {
8238         m_colLabelWin->Refresh();
8239     }
8240 }
8241
8242 void wxGrid::SetRowLabelValue( int row, const wxString& s )
8243 {
8244     if ( m_table )
8245     {
8246         m_table->SetRowLabelValue( row, s );
8247         if ( !GetBatchCount() )
8248         {
8249             wxRect rect = CellToRect( row, 0);
8250             if ( rect.height > 0 )
8251             {
8252                 CalcScrolledPosition(0, rect.y, &rect.x, &rect.y);
8253                 rect.x = 0;
8254                 rect.width = m_rowLabelWidth;
8255                 m_rowLabelWin->Refresh( TRUE, &rect );
8256             }
8257         }
8258     }
8259 }
8260
8261 void wxGrid::SetColLabelValue( int col, const wxString& s )
8262 {
8263     if ( m_table )
8264     {
8265         m_table->SetColLabelValue( col, s );
8266         if ( !GetBatchCount() )
8267         {
8268             wxRect rect = CellToRect( 0, col );
8269             if ( rect.width > 0 )
8270             {
8271                 CalcScrolledPosition(rect.x, 0, &rect.x, &rect.y);
8272                 rect.y = 0;
8273                 rect.height = m_colLabelHeight;
8274                 m_colLabelWin->Refresh( TRUE, &rect );
8275             }
8276         }
8277     }
8278 }
8279
8280 void wxGrid::SetGridLineColour( const wxColour& colour )
8281 {
8282     if ( m_gridLineColour != colour )
8283     {
8284         m_gridLineColour = colour;
8285
8286         wxClientDC dc( m_gridWin );
8287         PrepareDC( dc );
8288         DrawAllGridLines( dc, wxRegion() );
8289     }
8290 }
8291
8292
8293 void wxGrid::SetCellHighlightColour( const wxColour& colour )
8294 {
8295     if ( m_cellHighlightColour != colour )
8296     {
8297         m_cellHighlightColour = colour;
8298
8299         wxClientDC dc( m_gridWin );
8300         PrepareDC( dc );
8301         wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords);
8302         DrawCellHighlight(dc, attr);
8303         attr->DecRef();
8304     }
8305 }
8306
8307 void wxGrid::SetCellHighlightPenWidth(int width)
8308 {
8309     if (m_cellHighlightPenWidth != width) {
8310         m_cellHighlightPenWidth = width;
8311
8312         // Just redrawing the cell highlight is not enough since that won't
8313         // make any visible change if the the thickness is getting smaller.
8314         int row = m_currentCellCoords.GetRow();
8315         int col = m_currentCellCoords.GetCol();
8316         if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
8317             return;
8318         wxRect rect = CellToRect(row, col);
8319         m_gridWin->Refresh(TRUE, &rect);
8320     }
8321 }
8322
8323 void wxGrid::SetCellHighlightROPenWidth(int width)
8324 {
8325     if (m_cellHighlightROPenWidth != width) {
8326         m_cellHighlightROPenWidth = width;
8327
8328         // Just redrawing the cell highlight is not enough since that won't
8329         // make any visible change if the the thickness is getting smaller.
8330         int row = m_currentCellCoords.GetRow();
8331         int col = m_currentCellCoords.GetCol();
8332         if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
8333             return;
8334         wxRect rect = CellToRect(row, col);
8335         m_gridWin->Refresh(TRUE, &rect);
8336     }
8337 }
8338
8339 void wxGrid::EnableGridLines( bool enable )
8340 {
8341     if ( enable != m_gridLinesEnabled )
8342     {
8343         m_gridLinesEnabled = enable;
8344
8345         if ( !GetBatchCount() )
8346         {
8347             if ( enable )
8348             {
8349                 wxClientDC dc( m_gridWin );
8350                 PrepareDC( dc );
8351                 DrawAllGridLines( dc, wxRegion() );
8352             }
8353             else
8354             {
8355                 m_gridWin->Refresh();
8356             }
8357         }
8358     }
8359 }
8360
8361
8362 int wxGrid::GetDefaultRowSize()
8363 {
8364     return m_defaultRowHeight;
8365 }
8366
8367 int wxGrid::GetRowSize( int row )
8368 {
8369     wxCHECK_MSG( row >= 0 && row < m_numRows, 0, _T("invalid row index") );
8370
8371     return GetRowHeight(row);
8372 }
8373
8374 int wxGrid::GetDefaultColSize()
8375 {
8376     return m_defaultColWidth;
8377 }
8378
8379 int wxGrid::GetColSize( int col )
8380 {
8381     wxCHECK_MSG( col >= 0 && col < m_numCols, 0, _T("invalid column index") );
8382
8383     return GetColWidth(col);
8384 }
8385
8386 // ============================================================================
8387 // access to the grid attributes: each of them has a default value in the grid
8388 // itself and may be overidden on a per-cell basis
8389 // ============================================================================
8390
8391 // ----------------------------------------------------------------------------
8392 // setting default attributes
8393 // ----------------------------------------------------------------------------
8394
8395 void wxGrid::SetDefaultCellBackgroundColour( const wxColour& col )
8396 {
8397     m_defaultCellAttr->SetBackgroundColour(col);
8398 #ifdef __WXGTK__
8399     m_gridWin->SetBackgroundColour(col);
8400 #endif
8401 }
8402
8403 void wxGrid::SetDefaultCellTextColour( const wxColour& col )
8404 {
8405     m_defaultCellAttr->SetTextColour(col);
8406 }
8407
8408 void wxGrid::SetDefaultCellAlignment( int horiz, int vert )
8409 {
8410     m_defaultCellAttr->SetAlignment(horiz, vert);
8411 }
8412
8413 void wxGrid::SetDefaultCellOverflow( bool allow )
8414 {
8415     m_defaultCellAttr->SetOverflow(allow);
8416 }
8417
8418 void wxGrid::SetDefaultCellFont( const wxFont& font )
8419 {
8420     m_defaultCellAttr->SetFont(font);
8421 }
8422
8423 void wxGrid::SetDefaultRenderer(wxGridCellRenderer *renderer)
8424 {
8425     m_defaultCellAttr->SetRenderer(renderer);
8426 }
8427
8428 void wxGrid::SetDefaultEditor(wxGridCellEditor *editor)
8429 {
8430     m_defaultCellAttr->SetEditor(editor);
8431 }
8432
8433 // ----------------------------------------------------------------------------
8434 // access to the default attrbiutes
8435 // ----------------------------------------------------------------------------
8436
8437 wxColour wxGrid::GetDefaultCellBackgroundColour()
8438 {
8439     return m_defaultCellAttr->GetBackgroundColour();
8440 }
8441
8442 wxColour wxGrid::GetDefaultCellTextColour()
8443 {
8444     return m_defaultCellAttr->GetTextColour();
8445 }
8446
8447 wxFont wxGrid::GetDefaultCellFont()
8448 {
8449     return m_defaultCellAttr->GetFont();
8450 }
8451
8452 void wxGrid::GetDefaultCellAlignment( int *horiz, int *vert )
8453 {
8454     m_defaultCellAttr->GetAlignment(horiz, vert);
8455 }
8456
8457 bool wxGrid::GetDefaultCellOverflow()
8458 {
8459     return m_defaultCellAttr->GetOverflow();
8460 }
8461
8462 wxGridCellRenderer *wxGrid::GetDefaultRenderer() const
8463 {
8464     return m_defaultCellAttr->GetRenderer(NULL, 0, 0);
8465 }
8466
8467 wxGridCellEditor *wxGrid::GetDefaultEditor() const
8468 {
8469     return m_defaultCellAttr->GetEditor(NULL,0,0);
8470 }
8471
8472 // ----------------------------------------------------------------------------
8473 // access to cell attributes
8474 // ----------------------------------------------------------------------------
8475
8476 wxColour wxGrid::GetCellBackgroundColour(int row, int col)
8477 {
8478     wxGridCellAttr *attr = GetCellAttr(row, col);
8479     wxColour colour = attr->GetBackgroundColour();
8480     attr->DecRef();
8481     return colour;
8482 }
8483
8484 wxColour wxGrid::GetCellTextColour( int row, int col )
8485 {
8486     wxGridCellAttr *attr = GetCellAttr(row, col);
8487     wxColour colour = attr->GetTextColour();
8488     attr->DecRef();
8489     return colour;
8490 }
8491
8492 wxFont wxGrid::GetCellFont( int row, int col )
8493 {
8494     wxGridCellAttr *attr = GetCellAttr(row, col);
8495     wxFont font = attr->GetFont();
8496     attr->DecRef();
8497     return font;
8498 }
8499
8500 void wxGrid::GetCellAlignment( int row, int col, int *horiz, int *vert )
8501 {
8502     wxGridCellAttr *attr = GetCellAttr(row, col);
8503     attr->GetAlignment(horiz, vert);
8504     attr->DecRef();
8505 }
8506
8507 bool wxGrid::GetCellOverflow( int row, int col )
8508 {
8509     wxGridCellAttr *attr = GetCellAttr(row, col);
8510     bool allow = attr->GetOverflow();
8511     attr->DecRef();
8512     return allow;
8513 }
8514
8515 void wxGrid::GetCellSize( int row, int col, int *num_rows, int *num_cols )
8516 {
8517     wxGridCellAttr *attr = GetCellAttr(row, col);
8518     attr->GetSize( num_rows, num_cols );
8519     attr->DecRef();
8520 }
8521
8522 wxGridCellRenderer* wxGrid::GetCellRenderer(int row, int col)
8523 {
8524     wxGridCellAttr* attr = GetCellAttr(row, col);
8525     wxGridCellRenderer* renderer = attr->GetRenderer(this, row, col);
8526     attr->DecRef();
8527
8528     return renderer;
8529 }
8530
8531 wxGridCellEditor* wxGrid::GetCellEditor(int row, int col)
8532 {
8533     wxGridCellAttr* attr = GetCellAttr(row, col);
8534     wxGridCellEditor* editor = attr->GetEditor(this, row, col);
8535     attr->DecRef();
8536
8537     return editor;
8538 }
8539
8540 bool wxGrid::IsReadOnly(int row, int col) const
8541 {
8542     wxGridCellAttr* attr = GetCellAttr(row, col);
8543     bool isReadOnly = attr->IsReadOnly();
8544     attr->DecRef();
8545     return isReadOnly;
8546 }
8547
8548 // ----------------------------------------------------------------------------
8549 // attribute support: cache, automatic provider creation, ...
8550 // ----------------------------------------------------------------------------
8551
8552 bool wxGrid::CanHaveAttributes()
8553 {
8554     if ( !m_table )
8555     {
8556         return FALSE;
8557     }
8558
8559     return m_table->CanHaveAttributes();
8560 }
8561
8562 void wxGrid::ClearAttrCache()
8563 {
8564     if ( m_attrCache.row != -1 )
8565     {
8566         wxSafeDecRef(m_attrCache.attr);
8567         m_attrCache.attr = NULL;
8568         m_attrCache.row = -1;
8569     }
8570 }
8571
8572 void wxGrid::CacheAttr(int row, int col, wxGridCellAttr *attr) const
8573 {
8574     wxGrid *self = (wxGrid *)this;  // const_cast
8575
8576     self->ClearAttrCache();
8577     self->m_attrCache.row = row;
8578     self->m_attrCache.col = col;
8579     self->m_attrCache.attr = attr;
8580     wxSafeIncRef(attr);
8581 }
8582
8583 bool wxGrid::LookupAttr(int row, int col, wxGridCellAttr **attr) const
8584 {
8585     if ( row == m_attrCache.row && col == m_attrCache.col )
8586     {
8587         *attr = m_attrCache.attr;
8588         wxSafeIncRef(m_attrCache.attr);
8589
8590 #ifdef DEBUG_ATTR_CACHE
8591         gs_nAttrCacheHits++;
8592 #endif
8593
8594         return TRUE;
8595     }
8596     else
8597     {
8598 #ifdef DEBUG_ATTR_CACHE
8599         gs_nAttrCacheMisses++;
8600 #endif
8601         return FALSE;
8602     }
8603 }
8604
8605 wxGridCellAttr *wxGrid::GetCellAttr(int row, int col) const
8606 {
8607     wxGridCellAttr *attr = NULL;
8608     // Additional test to avoid looking at the cache e.g. for
8609     // wxNoCellCoords, as this will confuse memory management.
8610     if ( row >= 0 )
8611     {
8612         if ( !LookupAttr(row, col, &attr) )
8613         {
8614             attr = m_table ? m_table->GetAttr(row, col , wxGridCellAttr::Any)
8615                            : (wxGridCellAttr *)NULL;
8616             CacheAttr(row, col, attr);
8617         }
8618     }
8619     if (attr)
8620     {
8621         attr->SetDefAttr(m_defaultCellAttr);
8622     }
8623     else
8624     {
8625         attr = m_defaultCellAttr;
8626         attr->IncRef();
8627     }
8628
8629     return attr;
8630 }
8631
8632 wxGridCellAttr *wxGrid::GetOrCreateCellAttr(int row, int col) const
8633 {
8634     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
8635
8636     wxCHECK_MSG( m_table, attr,
8637                   _T("we may only be called if CanHaveAttributes() returned TRUE and then m_table should be !NULL") );
8638
8639     attr = m_table->GetAttr(row, col, wxGridCellAttr::Cell);
8640     if ( !attr )
8641     {
8642         attr = new wxGridCellAttr(m_defaultCellAttr);
8643
8644         // artificially inc the ref count to match DecRef() in caller
8645         attr->IncRef();
8646         m_table->SetAttr(attr, row, col);
8647     }
8648
8649     return attr;
8650 }
8651
8652 // ----------------------------------------------------------------------------
8653 // setting column attributes (wrappers around SetColAttr)
8654 // ----------------------------------------------------------------------------
8655
8656 void wxGrid::SetColFormatBool(int col)
8657 {
8658     SetColFormatCustom(col, wxGRID_VALUE_BOOL);
8659 }
8660
8661 void wxGrid::SetColFormatNumber(int col)
8662 {
8663     SetColFormatCustom(col, wxGRID_VALUE_NUMBER);
8664 }
8665
8666 void wxGrid::SetColFormatFloat(int col, int width, int precision)
8667 {
8668     wxString typeName = wxGRID_VALUE_FLOAT;
8669     if ( (width != -1) || (precision != -1) )
8670     {
8671         typeName << _T(':') << width << _T(',') << precision;
8672     }
8673
8674     SetColFormatCustom(col, typeName);
8675 }
8676
8677 void wxGrid::SetColFormatCustom(int col, const wxString& typeName)
8678 {
8679     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
8680
8681     attr = m_table->GetAttr(-1, col, wxGridCellAttr::Col );
8682     if(!attr)
8683         attr = new wxGridCellAttr;
8684     wxGridCellRenderer *renderer = GetDefaultRendererForType(typeName);
8685     attr->SetRenderer(renderer);
8686
8687     SetColAttr(col, attr);
8688
8689 }
8690
8691 // ----------------------------------------------------------------------------
8692 // setting cell attributes: this is forwarded to the table
8693 // ----------------------------------------------------------------------------
8694
8695 void wxGrid::SetAttr(int row, int col, wxGridCellAttr *attr)
8696 {
8697     if ( CanHaveAttributes() )
8698     {
8699         m_table->SetAttr(attr, row, col);
8700         ClearAttrCache();
8701     }
8702     else
8703     {
8704         wxSafeDecRef(attr);
8705     }
8706 }
8707
8708 void wxGrid::SetRowAttr(int row, wxGridCellAttr *attr)
8709 {
8710     if ( CanHaveAttributes() )
8711     {
8712         m_table->SetRowAttr(attr, row);
8713         ClearAttrCache();
8714     }
8715     else
8716     {
8717         wxSafeDecRef(attr);
8718     }
8719 }
8720
8721 void wxGrid::SetColAttr(int col, wxGridCellAttr *attr)
8722 {
8723     if ( CanHaveAttributes() )
8724     {
8725         m_table->SetColAttr(attr, col);
8726         ClearAttrCache();
8727     }
8728     else
8729     {
8730         wxSafeDecRef(attr);
8731     }
8732 }
8733
8734 void wxGrid::SetCellBackgroundColour( int row, int col, const wxColour& colour )
8735 {
8736     if ( CanHaveAttributes() )
8737     {
8738         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8739         attr->SetBackgroundColour(colour);
8740         attr->DecRef();
8741     }
8742 }
8743
8744 void wxGrid::SetCellTextColour( int row, int col, const wxColour& colour )
8745 {
8746     if ( CanHaveAttributes() )
8747     {
8748         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8749         attr->SetTextColour(colour);
8750         attr->DecRef();
8751     }
8752 }
8753
8754 void wxGrid::SetCellFont( int row, int col, const wxFont& font )
8755 {
8756     if ( CanHaveAttributes() )
8757     {
8758         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8759         attr->SetFont(font);
8760         attr->DecRef();
8761     }
8762 }
8763
8764 void wxGrid::SetCellAlignment( int row, int col, int horiz, int vert )
8765 {
8766     if ( CanHaveAttributes() )
8767     {
8768         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8769         attr->SetAlignment(horiz, vert);
8770         attr->DecRef();
8771     }
8772 }
8773
8774 void wxGrid::SetCellOverflow( int row, int col, bool allow )
8775 {
8776     if ( CanHaveAttributes() )
8777     {
8778         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8779         attr->SetOverflow(allow);
8780         attr->DecRef();
8781     }
8782 }
8783
8784 void wxGrid::SetCellSize( int row, int col, int num_rows, int num_cols )
8785 {
8786     if ( CanHaveAttributes() )
8787     {
8788         int cell_rows, cell_cols;
8789
8790         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8791         attr->GetSize(&cell_rows, &cell_cols);
8792         attr->SetSize(num_rows, num_cols);
8793         attr->DecRef();
8794
8795         // Cannot set the size of a cell to 0 or negative values
8796         // While it is perfectly legal to do that, this function cannot
8797         // handle all the possibilies, do it by hand by getting the CellAttr.
8798         // You can only set the size of a cell to 1,1 or greater with this fn
8799         wxASSERT_MSG( !((cell_rows < 1) || (cell_cols < 1)),
8800                       wxT("wxGrid::SetCellSize setting cell size that is already part of another cell"));
8801         wxASSERT_MSG( !((num_rows < 1) || (num_cols < 1)),
8802                       wxT("wxGrid::SetCellSize setting cell size to < 1"));
8803
8804         // if this was already a multicell then "turn off" the other cells first
8805         if ((cell_rows > 1) || (cell_rows > 1))
8806         {
8807             int i, j;
8808             for (j=row; j<row+cell_rows; j++)
8809             {
8810                 for (i=col; i<col+cell_cols; i++)
8811                 {
8812                     if ((i != col) || (j != row))
8813                     {
8814                         wxGridCellAttr *attr_stub = GetOrCreateCellAttr(j, i);
8815                         attr_stub->SetSize( 1, 1 );
8816                         attr_stub->DecRef();
8817                     }
8818                 }
8819             }
8820         }
8821
8822         // mark the cells that will be covered by this cell to
8823         // negative or zero values to point back at this cell
8824         if (((num_rows > 1) || (num_cols > 1)) && (num_rows >= 1) && (num_cols >= 1))
8825         {
8826             int i, j;
8827             for (j=row; j<row+num_rows; j++)
8828             {
8829                 for (i=col; i<col+num_cols; i++)
8830                 {
8831                     if ((i != col) || (j != row))
8832                     {
8833                         wxGridCellAttr *attr_stub = GetOrCreateCellAttr(j, i);
8834                         attr_stub->SetSize( row-j, col-i );
8835                         attr_stub->DecRef();
8836                     }
8837                 }
8838             }
8839         }
8840     }
8841 }
8842
8843 void wxGrid::SetCellRenderer(int row, int col, wxGridCellRenderer *renderer)
8844 {
8845     if ( CanHaveAttributes() )
8846     {
8847         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8848         attr->SetRenderer(renderer);
8849         attr->DecRef();
8850     }
8851 }
8852
8853 void wxGrid::SetCellEditor(int row, int col, wxGridCellEditor* editor)
8854 {
8855     if ( CanHaveAttributes() )
8856     {
8857         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8858         attr->SetEditor(editor);
8859         attr->DecRef();
8860     }
8861 }
8862
8863 void wxGrid::SetReadOnly(int row, int col, bool isReadOnly)
8864 {
8865     if ( CanHaveAttributes() )
8866     {
8867         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8868         attr->SetReadOnly(isReadOnly);
8869         attr->DecRef();
8870     }
8871 }
8872
8873 // ----------------------------------------------------------------------------
8874 // Data type registration
8875 // ----------------------------------------------------------------------------
8876
8877 void wxGrid::RegisterDataType(const wxString& typeName,
8878                               wxGridCellRenderer* renderer,
8879                               wxGridCellEditor* editor)
8880 {
8881     m_typeRegistry->RegisterDataType(typeName, renderer, editor);
8882 }
8883
8884
8885 wxGridCellEditor* wxGrid::GetDefaultEditorForCell(int row, int col) const
8886 {
8887     wxString typeName = m_table->GetTypeName(row, col);
8888     return GetDefaultEditorForType(typeName);
8889 }
8890
8891 wxGridCellRenderer* wxGrid::GetDefaultRendererForCell(int row, int col) const
8892 {
8893     wxString typeName = m_table->GetTypeName(row, col);
8894     return GetDefaultRendererForType(typeName);
8895 }
8896
8897 wxGridCellEditor*
8898 wxGrid::GetDefaultEditorForType(const wxString& typeName) const
8899 {
8900     int index = m_typeRegistry->FindOrCloneDataType(typeName);
8901     if ( index == wxNOT_FOUND )
8902     {
8903         wxFAIL_MSG(wxT("Unknown data type name"));
8904
8905         return NULL;
8906     }
8907
8908     return m_typeRegistry->GetEditor(index);
8909 }
8910
8911 wxGridCellRenderer*
8912 wxGrid::GetDefaultRendererForType(const wxString& typeName) const
8913 {
8914     int index = m_typeRegistry->FindOrCloneDataType(typeName);
8915     if ( index == wxNOT_FOUND )
8916     {
8917         wxFAIL_MSG(wxT("Unknown data type name"));
8918
8919         return NULL;
8920     }
8921
8922     return m_typeRegistry->GetRenderer(index);
8923 }
8924
8925
8926 // ----------------------------------------------------------------------------
8927 // row/col size
8928 // ----------------------------------------------------------------------------
8929
8930 void wxGrid::EnableDragRowSize( bool enable )
8931 {
8932     m_canDragRowSize = enable;
8933 }
8934
8935
8936 void wxGrid::EnableDragColSize( bool enable )
8937 {
8938     m_canDragColSize = enable;
8939 }
8940
8941 void wxGrid::EnableDragGridSize( bool enable )
8942 {
8943     m_canDragGridSize = enable;
8944 }
8945
8946
8947 void wxGrid::SetDefaultRowSize( int height, bool resizeExistingRows )
8948 {
8949     m_defaultRowHeight = wxMax( height, WXGRID_MIN_ROW_HEIGHT );
8950
8951     if ( resizeExistingRows )
8952     {
8953         // since we are resizing all rows to the default row size,
8954         // we can simply clear the row heights and row bottoms
8955         // arrays (which also allows us to take advantage of
8956         // some speed optimisations)
8957         m_rowHeights.Empty();
8958         m_rowBottoms.Empty();
8959         if ( !GetBatchCount() )
8960             CalcDimensions();
8961     }
8962 }
8963
8964 void wxGrid::SetRowSize( int row, int height )
8965 {
8966     wxCHECK_RET( row >= 0 && row < m_numRows, _T("invalid row index") );
8967
8968     if ( m_rowHeights.IsEmpty() )
8969     {
8970         // need to really create the array
8971         InitRowHeights();
8972     }
8973
8974     int h = wxMax( 0, height );
8975     int diff = h - m_rowHeights[row];
8976
8977     m_rowHeights[row] = h;
8978     int i;
8979     for ( i = row;  i < m_numRows;  i++ )
8980     {
8981         m_rowBottoms[i] += diff;
8982     }
8983     if ( !GetBatchCount() )
8984         CalcDimensions();
8985 }
8986
8987 void wxGrid::SetDefaultColSize( int width, bool resizeExistingCols )
8988 {
8989     m_defaultColWidth = wxMax( width, WXGRID_MIN_COL_WIDTH );
8990
8991     if ( resizeExistingCols )
8992     {
8993         // since we are resizing all columns to the default column size,
8994         // we can simply clear the col widths and col rights
8995         // arrays (which also allows us to take advantage of
8996         // some speed optimisations)
8997         m_colWidths.Empty();
8998         m_colRights.Empty();
8999         if ( !GetBatchCount() )
9000             CalcDimensions();
9001     }
9002 }
9003
9004 void wxGrid::SetColSize( int col, int width )
9005 {
9006     wxCHECK_RET( col >= 0 && col < m_numCols, _T("invalid column index") );
9007
9008     // should we check that it's bigger than GetColMinimalWidth(col) here?
9009
9010     if ( m_colWidths.IsEmpty() )
9011     {
9012         // need to really create the array
9013         InitColWidths();
9014     }
9015
9016     int w = wxMax( 0, width );
9017     int diff = w - m_colWidths[col];
9018     m_colWidths[col] = w;
9019
9020     int i;
9021     for ( i = col;  i < m_numCols;  i++ )
9022     {
9023         m_colRights[i] += diff;
9024     }
9025     if ( !GetBatchCount() )
9026         CalcDimensions();
9027 }
9028
9029
9030 void wxGrid::SetColMinimalWidth( int col, int width )
9031 {
9032     m_colMinWidths.Put(col, width);
9033 }
9034
9035 void wxGrid::SetRowMinimalHeight( int row, int width )
9036 {
9037     m_rowMinHeights.Put(row, width);
9038 }
9039
9040 int wxGrid::GetColMinimalWidth(int col) const
9041 {
9042     long value = m_colMinWidths.Get(col);
9043     return value != wxNOT_FOUND ? (int)value : WXGRID_MIN_COL_WIDTH;
9044 }
9045
9046 int wxGrid::GetRowMinimalHeight(int row) const
9047 {
9048     long value = m_rowMinHeights.Get(row);
9049     return value != wxNOT_FOUND ? (int)value : WXGRID_MIN_ROW_HEIGHT;
9050 }
9051
9052 // ----------------------------------------------------------------------------
9053 // auto sizing
9054 // ----------------------------------------------------------------------------
9055
9056 void wxGrid::AutoSizeColOrRow( int colOrRow, bool setAsMin, bool column )
9057 {
9058     wxClientDC dc(m_gridWin);
9059
9060     // init both of them to avoid compiler warnings, even if weo nly need one
9061     int row = -1,
9062         col = -1;
9063     if ( column )
9064         col = colOrRow;
9065     else
9066         row = colOrRow;
9067
9068     wxCoord extent, extentMax = 0;
9069     int max = column ? m_numRows : m_numCols;
9070     for ( int rowOrCol = 0; rowOrCol < max; rowOrCol++ )
9071     {
9072         if ( column )
9073             row = rowOrCol;
9074         else
9075             col = rowOrCol;
9076
9077         wxGridCellAttr* attr = GetCellAttr(row, col);
9078         wxGridCellRenderer* renderer = attr->GetRenderer(this, row, col);
9079         if ( renderer )
9080         {
9081             wxSize size = renderer->GetBestSize(*this, *attr, dc, row, col);
9082             extent = column ? size.x : size.y;
9083             if ( extent > extentMax )
9084             {
9085                 extentMax = extent;
9086             }
9087
9088             renderer->DecRef();
9089         }
9090
9091         attr->DecRef();
9092     }
9093
9094     // now also compare with the column label extent
9095     wxCoord w, h;
9096     dc.SetFont( GetLabelFont() );
9097
9098     if ( column )
9099         dc.GetTextExtent( GetColLabelValue(col), &w, &h );
9100     else
9101         dc.GetTextExtent( GetRowLabelValue(row), &w, &h );
9102
9103     extent = column ? w : h;
9104     if ( extent > extentMax )
9105     {
9106         extentMax = extent;
9107     }
9108
9109     if ( !extentMax )
9110     {
9111         // empty column - give default extent (notice that if extentMax is less
9112         // than default extent but != 0, it's ok)
9113         extentMax = column ? m_defaultColWidth : m_defaultRowHeight;
9114     }
9115     else
9116     {
9117         if ( column )
9118         {
9119             // leave some space around text
9120             extentMax += 10;
9121         }
9122         else
9123         {
9124             extentMax += 6;
9125         }
9126     }
9127
9128     if ( column )
9129     {
9130         SetColSize(col, extentMax);
9131         if ( !GetBatchCount() )
9132         {
9133             int cw, ch, dummy;
9134             m_gridWin->GetClientSize( &cw, &ch );
9135             wxRect rect ( CellToRect( 0, col ) );
9136             rect.y = 0;
9137             CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
9138             rect.width = cw - rect.x;
9139             rect.height = m_colLabelHeight;
9140             m_colLabelWin->Refresh( TRUE, &rect );
9141         }
9142     }
9143     else
9144     {
9145         SetRowSize(row, extentMax);
9146         if ( !GetBatchCount() )
9147         {
9148             int cw, ch, dummy;
9149             m_gridWin->GetClientSize( &cw, &ch );
9150             wxRect rect ( CellToRect( row, 0 ) );
9151             rect.x = 0;
9152             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
9153             rect.width = m_rowLabelWidth;
9154             rect.height = ch - rect.y;
9155             m_rowLabelWin->Refresh( TRUE, &rect );
9156         }
9157     }
9158     if ( setAsMin )
9159     {
9160         if ( column )
9161             SetColMinimalWidth(col, extentMax);
9162         else
9163             SetRowMinimalHeight(row, extentMax);
9164     }
9165 }
9166
9167 int wxGrid::SetOrCalcColumnSizes(bool calcOnly, bool setAsMin)
9168 {
9169     int width = m_rowLabelWidth;
9170
9171     if ( !calcOnly )
9172         BeginBatch();
9173
9174     for ( int col = 0; col < m_numCols; col++ )
9175     {
9176         if ( !calcOnly )
9177         {
9178             AutoSizeColumn(col, setAsMin);
9179         }
9180
9181         width += GetColWidth(col);
9182     }
9183
9184     if ( !calcOnly )
9185         EndBatch();
9186
9187     return width;
9188 }
9189
9190 int wxGrid::SetOrCalcRowSizes(bool calcOnly, bool setAsMin)
9191 {
9192     int height = m_colLabelHeight;
9193
9194     if ( !calcOnly )
9195         BeginBatch();
9196
9197     for ( int row = 0; row < m_numRows; row++ )
9198     {
9199         if ( !calcOnly )
9200         {
9201             AutoSizeRow(row, setAsMin);
9202         }
9203
9204         height += GetRowHeight(row);
9205     }
9206
9207     if ( !calcOnly )
9208         EndBatch();
9209
9210     return height;
9211 }
9212
9213 void wxGrid::AutoSize()
9214 {
9215     BeginBatch();
9216
9217     wxSize size(SetOrCalcColumnSizes(FALSE), SetOrCalcRowSizes(FALSE));
9218
9219     // round up the size to a multiple of scroll step - this ensures that we
9220     // won't get the scrollbars if we're sized exactly to this width
9221     wxSize sizeFit(GetScrollX(size.x) * GRID_SCROLL_LINE_X,
9222                    GetScrollY(size.y) * GRID_SCROLL_LINE_Y);
9223
9224     // distribute the extra space between teh columns/rows to avoid having
9225     // extra white space
9226     wxCoord diff = sizeFit.x - size.x;
9227     if ( diff )
9228     {
9229         // try to resize the columns uniformly
9230         wxCoord diffPerCol = diff / m_numCols;
9231         if ( diffPerCol )
9232         {
9233             for ( int col = 0; col < m_numCols; col++ )
9234             {
9235                 SetColSize(col, GetColWidth(col) + diffPerCol);
9236             }
9237         }
9238
9239         // add remaining amount to the last columns
9240         diff -= diffPerCol * m_numCols;
9241         if ( diff )
9242         {
9243             for ( int col = m_numCols - 1; col >= m_numCols - diff; col-- )
9244             {
9245                 SetColSize(col, GetColWidth(col) + 1);
9246             }
9247         }
9248     }
9249
9250     // same for rows
9251     diff = sizeFit.y - size.y;
9252     if ( diff )
9253     {
9254         // try to resize the columns uniformly
9255         wxCoord diffPerRow = diff / m_numRows;
9256         if ( diffPerRow )
9257         {
9258             for ( int row = 0; row < m_numRows; row++ )
9259             {
9260                 SetRowSize(row, GetRowHeight(row) + diffPerRow);
9261             }
9262         }
9263
9264         // add remaining amount to the last rows
9265         diff -= diffPerRow * m_numRows;
9266         if ( diff )
9267         {
9268             for ( int row = m_numRows - 1; row >= m_numRows - diff; row-- )
9269             {
9270                 SetRowSize(row, GetRowHeight(row) + 1);
9271             }
9272         }
9273     }
9274
9275     EndBatch();
9276
9277     SetClientSize(sizeFit);
9278 }
9279
9280 wxSize wxGrid::DoGetBestSize() const
9281 {
9282     // don't set sizes, only calculate them
9283     wxGrid *self = (wxGrid *)this;  // const_cast
9284
9285     int width, height;
9286     width = self->SetOrCalcColumnSizes(TRUE);
9287     height = self->SetOrCalcRowSizes(TRUE);
9288
9289     int maxwidth, maxheight;
9290     wxDisplaySize( & maxwidth, & maxheight );
9291
9292     if ( width > maxwidth ) width = maxwidth;
9293     if ( height > maxheight ) height = maxheight;
9294
9295     return wxSize( width, height );
9296 }
9297
9298 void wxGrid::Fit()
9299 {
9300     AutoSize();
9301 }
9302
9303
9304 wxPen& wxGrid::GetDividerPen() const
9305 {
9306     return wxNullPen;
9307 }
9308
9309 // ----------------------------------------------------------------------------
9310 // cell value accessor functions
9311 // ----------------------------------------------------------------------------
9312
9313 void wxGrid::SetCellValue( int row, int col, const wxString& s )
9314 {
9315     if ( m_table )
9316     {
9317         m_table->SetValue( row, col, s );
9318         if ( !GetBatchCount() )
9319         {
9320             int dummy;
9321             wxRect rect( CellToRect( row, col ) );
9322             rect.x = 0;
9323             rect.width = m_gridWin->GetClientSize().GetWidth();
9324             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
9325             m_gridWin->Refresh( FALSE, &rect );
9326         }
9327
9328         if ( m_currentCellCoords.GetRow() == row &&
9329              m_currentCellCoords.GetCol() == col &&
9330              IsCellEditControlShown())
9331              // Note: If we are using IsCellEditControlEnabled,
9332              // this interacts badly with calling SetCellValue from
9333              // an EVT_GRID_CELL_CHANGE handler.
9334         {
9335             HideCellEditControl();
9336             ShowCellEditControl(); // will reread data from table
9337         }
9338     }
9339 }
9340
9341
9342 //
9343 // ------ Block, row and col selection
9344 //
9345
9346 void wxGrid::SelectRow( int row, bool addToSelected )
9347 {
9348     if ( IsSelection() && !addToSelected )
9349         ClearSelection();
9350
9351     if ( m_selection )
9352         m_selection->SelectRow( row, FALSE, addToSelected );
9353 }
9354
9355
9356 void wxGrid::SelectCol( int col, bool addToSelected )
9357 {
9358     if ( IsSelection() && !addToSelected )
9359         ClearSelection();
9360
9361     if ( m_selection )
9362         m_selection->SelectCol( col, FALSE, addToSelected );
9363 }
9364
9365
9366 void wxGrid::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol,
9367                           bool addToSelected )
9368 {
9369     if ( IsSelection() && !addToSelected )
9370         ClearSelection();
9371
9372     if ( m_selection )
9373         m_selection->SelectBlock( topRow, leftCol, bottomRow, rightCol,
9374                                   FALSE, addToSelected );
9375 }
9376
9377
9378 void wxGrid::SelectAll()
9379 {
9380     if ( m_numRows > 0 && m_numCols > 0 )
9381     {
9382         if ( m_selection )
9383             m_selection->SelectBlock( 0, 0, m_numRows-1, m_numCols-1 );
9384     }
9385 }
9386
9387 //
9388 // ------ Cell, row and col deselection
9389 //
9390
9391 void wxGrid::DeselectRow( int row )
9392 {
9393     if ( !m_selection )
9394         return;
9395
9396     if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectRows )
9397     {
9398         if ( m_selection->IsInSelection(row, 0 ) )
9399             m_selection->ToggleCellSelection( row, 0);
9400     }
9401     else
9402     {
9403         int nCols = GetNumberCols();
9404         for ( int i = 0; i < nCols ; i++ )
9405         {
9406             if ( m_selection->IsInSelection(row, i ) )
9407                 m_selection->ToggleCellSelection( row, i);
9408         }
9409     }
9410 }
9411
9412 void wxGrid::DeselectCol( int col )
9413 {
9414     if ( !m_selection )
9415         return;
9416
9417     if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectColumns )
9418     {
9419         if ( m_selection->IsInSelection(0, col ) )
9420             m_selection->ToggleCellSelection( 0, col);
9421     }
9422     else
9423     {
9424         int nRows = GetNumberRows();
9425         for ( int i = 0; i < nRows ; i++ )
9426         {
9427             if ( m_selection->IsInSelection(i, col ) )
9428                 m_selection->ToggleCellSelection(i, col);
9429         }
9430     }
9431 }
9432
9433 void wxGrid::DeselectCell( int row, int col )
9434 {
9435     if ( m_selection && m_selection->IsInSelection(row, col) )
9436         m_selection->ToggleCellSelection(row, col);
9437 }
9438
9439 bool wxGrid::IsSelection()
9440 {
9441     return ( m_selection && (m_selection->IsSelection() ||
9442              ( m_selectingTopLeft != wxGridNoCellCoords &&
9443                m_selectingBottomRight != wxGridNoCellCoords) ) );
9444 }
9445
9446 bool wxGrid::IsInSelection( int row, int col ) const
9447 {
9448     return ( m_selection && (m_selection->IsInSelection( row, col ) ||
9449              ( row >= m_selectingTopLeft.GetRow() &&
9450                col >= m_selectingTopLeft.GetCol() &&
9451                row <= m_selectingBottomRight.GetRow() &&
9452                col <= m_selectingBottomRight.GetCol() )) );
9453 }
9454
9455 wxGridCellCoordsArray wxGrid::GetSelectedCells() const
9456 {
9457     if (!m_selection) { wxGridCellCoordsArray a; return a; }
9458     return m_selection->m_cellSelection;
9459 }
9460 wxGridCellCoordsArray wxGrid::GetSelectionBlockTopLeft() const
9461 {
9462     if (!m_selection) { wxGridCellCoordsArray a; return a; }
9463     return m_selection->m_blockSelectionTopLeft;
9464 }
9465 wxGridCellCoordsArray wxGrid::GetSelectionBlockBottomRight() const
9466 {
9467     if (!m_selection) { wxGridCellCoordsArray a; return a; }
9468     return m_selection->m_blockSelectionTopLeft;
9469 }
9470 wxArrayInt wxGrid::GetSelectedRows() const
9471 {
9472     if (!m_selection) { wxArrayInt a; return a; }
9473     return m_selection->m_rowSelection;
9474 }
9475 wxArrayInt wxGrid::GetSelectedCols() const
9476 {
9477     if (!m_selection) { wxArrayInt a; return a; }
9478     return m_selection->m_colSelection;
9479 }
9480
9481
9482 void wxGrid::ClearSelection()
9483 {
9484     m_selectingTopLeft = wxGridNoCellCoords;
9485     m_selectingBottomRight = wxGridNoCellCoords;
9486     if ( m_selection )
9487         m_selection->ClearSelection();
9488 }
9489
9490
9491 // This function returns the rectangle that encloses the given block
9492 // in device coords clipped to the client size of the grid window.
9493 //
9494 wxRect wxGrid::BlockToDeviceRect( const wxGridCellCoords &topLeft,
9495                                   const wxGridCellCoords &bottomRight )
9496 {
9497     wxRect rect( wxGridNoCellRect );
9498     wxRect cellRect;
9499
9500     cellRect = CellToRect( topLeft );
9501     if ( cellRect != wxGridNoCellRect )
9502     {
9503         rect = cellRect;
9504     }
9505     else
9506     {
9507         rect = wxRect( 0, 0, 0, 0 );
9508     }
9509
9510     cellRect = CellToRect( bottomRight );
9511     if ( cellRect != wxGridNoCellRect )
9512     {
9513         rect += cellRect;
9514     }
9515     else
9516     {
9517         return wxGridNoCellRect;
9518     }
9519
9520     int i, j;
9521     int left = rect.GetLeft();
9522     int top = rect.GetTop();
9523     int right = rect.GetRight();
9524     int bottom = rect.GetBottom();
9525
9526     int leftCol = topLeft.GetCol();
9527     int topRow = topLeft.GetRow();
9528     int rightCol = bottomRight.GetCol();
9529     int bottomRow = bottomRight.GetRow();
9530
9531     if (left > right)
9532     {
9533         i = left;
9534         left = right;
9535         right = i;
9536         i = leftCol;
9537         leftCol=rightCol;
9538         rightCol = i;
9539     }
9540
9541     if (top > bottom)
9542     {
9543         i = top;
9544         top = bottom;
9545         bottom = i;
9546         i = topRow;
9547         topRow = bottomRow;
9548         bottomRow = i;
9549     }
9550
9551
9552     for ( j = topRow; j <= bottomRow; j++ )
9553     {
9554         for ( i = leftCol; i <= rightCol; i++ )
9555         {
9556             if ((j==topRow) || (j==bottomRow) || (i==leftCol) || (i==rightCol))
9557             {
9558                 cellRect = CellToRect( j, i );
9559
9560                 if (cellRect.x < left)
9561                     left = cellRect.x;
9562                 if (cellRect.y < top)
9563                     top = cellRect.y;
9564                 if (cellRect.x + cellRect.width > right)
9565                     right = cellRect.x + cellRect.width;
9566                 if (cellRect.y + cellRect.height > bottom)
9567                     bottom = cellRect.y + cellRect.height;
9568             }
9569             else i = rightCol; // jump over inner cells.
9570         }
9571     }
9572
9573     // convert to scrolled coords
9574     //
9575     CalcScrolledPosition( left, top, &left, &top );
9576     CalcScrolledPosition( right, bottom, &right, &bottom );
9577
9578     int cw, ch;
9579     m_gridWin->GetClientSize( &cw, &ch );
9580
9581     if (right < 0 || bottom < 0 || left > cw || top > ch)
9582         return wxRect( 0, 0, 0, 0);
9583
9584     rect.SetLeft( wxMax(0, left) );
9585     rect.SetTop( wxMax(0, top) );
9586     rect.SetRight( wxMin(cw, right) );
9587     rect.SetBottom( wxMin(ch, bottom) );
9588
9589     return rect;
9590 }
9591
9592
9593
9594 //
9595 // ------ Grid event classes
9596 //
9597
9598 IMPLEMENT_DYNAMIC_CLASS( wxGridEvent, wxNotifyEvent )
9599
9600 wxGridEvent::wxGridEvent( int id, wxEventType type, wxObject* obj,
9601                           int row, int col, int x, int y, bool sel,
9602                           bool control, bool shift, bool alt, bool meta )
9603         : wxNotifyEvent( type, id )
9604 {
9605     m_row = row;
9606     m_col = col;
9607     m_x = x;
9608     m_y = y;
9609     m_selecting = sel;
9610     m_control = control;
9611     m_shift = shift;
9612     m_alt = alt;
9613     m_meta = meta;
9614
9615     SetEventObject(obj);
9616 }
9617
9618
9619 IMPLEMENT_DYNAMIC_CLASS( wxGridSizeEvent, wxNotifyEvent )
9620
9621 wxGridSizeEvent::wxGridSizeEvent( int id, wxEventType type, wxObject* obj,
9622                                   int rowOrCol, int x, int y,
9623                                   bool control, bool shift, bool alt, bool meta )
9624         : wxNotifyEvent( type, id )
9625 {
9626     m_rowOrCol = rowOrCol;
9627     m_x = x;
9628     m_y = y;
9629     m_control = control;
9630     m_shift = shift;
9631     m_alt = alt;
9632     m_meta = meta;
9633
9634     SetEventObject(obj);
9635 }
9636
9637
9638 IMPLEMENT_DYNAMIC_CLASS( wxGridRangeSelectEvent, wxNotifyEvent )
9639
9640 wxGridRangeSelectEvent::wxGridRangeSelectEvent(int id, wxEventType type, wxObject* obj,
9641                                                const wxGridCellCoords& topLeft,
9642                                                const wxGridCellCoords& bottomRight,
9643                                                bool sel, bool control,
9644                                                bool shift, bool alt, bool meta )
9645         : wxNotifyEvent( type, id )
9646 {
9647     m_topLeft     = topLeft;
9648     m_bottomRight = bottomRight;
9649     m_selecting   = sel;
9650     m_control     = control;
9651     m_shift       = shift;
9652     m_alt         = alt;
9653     m_meta        = meta;
9654
9655     SetEventObject(obj);
9656 }
9657
9658
9659 IMPLEMENT_DYNAMIC_CLASS(wxGridEditorCreatedEvent, wxCommandEvent)
9660
9661 wxGridEditorCreatedEvent::wxGridEditorCreatedEvent(int id, wxEventType type,
9662                                                    wxObject* obj, int row,
9663                                                    int col, wxControl* ctrl)
9664     : wxCommandEvent(type, id)
9665 {
9666     SetEventObject(obj);
9667     m_row = row;
9668     m_col = col;
9669     m_ctrl = ctrl;
9670 }
9671
9672
9673 #endif // !wxUSE_NEW_GRID/wxUSE_NEW_GRID
9674
9675 #endif // wxUSE_GRID