src/generic/grid.cpp

   1 ///////////////////////////////////////////////////////////////////////////
   2 // Name:        generic/grid.cpp
   3 // Purpose:     wxGrid and related classes
   4 // Author:      Michael Bedward (based on code by Julian Smart, Robin Dunn)
   5 // Modified by: Robin Dunn, Vadim Zeitlin
   6 // Created:     1/08/1999
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Michael Bedward (mbedward@ozemail.com.au)
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "grid.h"
  22 #endif
  23
  24 // For compilers that support precompilatixon, includes "wx/wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #include "wx/defs.h"
  28
  29 #ifdef __BORLANDC__
  30     #pragma hdrstop
  31 #endif
  32
  33 #if wxUSE_GRID
  34
  35 #if !defined(wxUSE_NEW_GRID) || !(wxUSE_NEW_GRID)
  36     #include "gridg.cpp"
  37 #else // wxUSE_NEW_GRID
  38
  39 #ifndef WX_PRECOMP
  40     #include "wx/utils.h"
  41     #include "wx/dcclient.h"
  42     #include "wx/settings.h"
  43     #include "wx/log.h"
  44     #include "wx/textctrl.h"
  45     #include "wx/checkbox.h"
  46     #include "wx/combobox.h"
  47     #include "wx/valtext.h"
  48 #endif
  49
  50 #include "wx/textfile.h"
  51 #include "wx/spinctrl.h"
  52 #include "wx/tokenzr.h"
  53
  54 #include "wx/grid.h"
  55 #include "wx/generic/gridsel.h"
  56
  57 #if defined(__WXMOTIF__)
  58     #define WXUNUSED_MOTIF(identifier)  WXUNUSED(identifier)
  59 #else
  60     #define WXUNUSED_MOTIF(identifier)  identifier
  61 #endif
  62
  63 #if defined(__WXGTK__)
  64     #define WXUNUSED_GTK(identifier)    WXUNUSED(identifier)
  65 #else
  66     #define WXUNUSED_GTK(identifier)    identifier
  67 #endif
  68
  69 // Required for wxIs... functions
  70 #include <ctype.h>
  71
  72 // ----------------------------------------------------------------------------
  73 // array classes
  74 // ----------------------------------------------------------------------------
  75
  76 WX_DEFINE_EXPORTED_ARRAY(wxGridCellAttr *, wxArrayAttrs);
  77
  78 struct wxGridCellWithAttr
  79 {
  80     wxGridCellWithAttr(int row, int col, wxGridCellAttr *attr_)
  81         : coords(row, col), attr(attr_)
  82     {
  83     }
  84
  85     ~wxGridCellWithAttr()
  86     {
  87         attr->DecRef();
  88     }
  89
  90     wxGridCellCoords coords;
  91     wxGridCellAttr  *attr;
  92 };
  93
  94 WX_DECLARE_EXPORTED_OBJARRAY(wxGridCellWithAttr, wxGridCellWithAttrArray);
  95
  96 #include "wx/arrimpl.cpp"
  97
  98 WX_DEFINE_OBJARRAY(wxGridCellCoordsArray)
  99 WX_DEFINE_OBJARRAY(wxGridCellWithAttrArray)
 100
 101 // ----------------------------------------------------------------------------
 102 // events
 103 // ----------------------------------------------------------------------------
 104
 105 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_LEFT_CLICK)
 106 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_RIGHT_CLICK)
 107 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_LEFT_DCLICK)
 108 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_RIGHT_DCLICK)
 109 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_LEFT_CLICK)
 110 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_RIGHT_CLICK)
 111 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_LEFT_DCLICK)
 112 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_RIGHT_DCLICK)
 113 DEFINE_EVENT_TYPE(wxEVT_GRID_ROW_SIZE)
 114 DEFINE_EVENT_TYPE(wxEVT_GRID_COL_SIZE)
 115 DEFINE_EVENT_TYPE(wxEVT_GRID_RANGE_SELECT)
 116 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_CHANGE)
 117 DEFINE_EVENT_TYPE(wxEVT_GRID_SELECT_CELL)
 118 DEFINE_EVENT_TYPE(wxEVT_GRID_EDITOR_SHOWN)
 119 DEFINE_EVENT_TYPE(wxEVT_GRID_EDITOR_HIDDEN)
 120 DEFINE_EVENT_TYPE(wxEVT_GRID_EDITOR_CREATED)
 121
 122 // ----------------------------------------------------------------------------
 123 // private classes
 124 // ----------------------------------------------------------------------------
 125
 126 class WXDLLEXPORT wxGridRowLabelWindow : public wxWindow
 127 {
 128 public:
 129     wxGridRowLabelWindow() { m_owner = (wxGrid *)NULL; }
 130     wxGridRowLabelWindow( wxGrid *parent, wxWindowID id,
 131                           const wxPoint &pos, const wxSize &size );
 132
 133 private:
 134     wxGrid   *m_owner;
 135
 136     void OnPaint( wxPaintEvent& event );
 137     void OnMouseEvent( wxMouseEvent& event );
 138     void OnMouseWheel( wxMouseEvent& event );
 139     void OnKeyDown( wxKeyEvent& event );
 140     void OnKeyUp( wxKeyEvent& );
 141
 142     DECLARE_DYNAMIC_CLASS(wxGridRowLabelWindow)
 143     DECLARE_EVENT_TABLE()
 144 };
 145
 146
 147 class WXDLLEXPORT wxGridColLabelWindow : public wxWindow
 148 {
 149 public:
 150     wxGridColLabelWindow() { m_owner = (wxGrid *)NULL; }
 151     wxGridColLabelWindow( wxGrid *parent, wxWindowID id,
 152                           const wxPoint &pos, const wxSize &size );
 153
 154 private:
 155     wxGrid   *m_owner;
 156
 157     void OnPaint( wxPaintEvent &event );
 158     void OnMouseEvent( wxMouseEvent& event );
 159     void OnMouseWheel( wxMouseEvent& event );
 160     void OnKeyDown( wxKeyEvent& event );
 161     void OnKeyUp( wxKeyEvent& );
 162
 163     DECLARE_DYNAMIC_CLASS(wxGridColLabelWindow)
 164     DECLARE_EVENT_TABLE()
 165 };
 166
 167
 168 class WXDLLEXPORT wxGridCornerLabelWindow : public wxWindow
 169 {
 170 public:
 171     wxGridCornerLabelWindow() { m_owner = (wxGrid *)NULL; }
 172     wxGridCornerLabelWindow( wxGrid *parent, wxWindowID id,
 173                              const wxPoint &pos, const wxSize &size );
 174
 175 private:
 176     wxGrid *m_owner;
 177
 178     void OnMouseEvent( wxMouseEvent& event );
 179     void OnMouseWheel( wxMouseEvent& event );
 180     void OnKeyDown( wxKeyEvent& event );
 181     void OnKeyUp( wxKeyEvent& );
 182     void OnPaint( wxPaintEvent& event );
 183
 184     DECLARE_DYNAMIC_CLASS(wxGridCornerLabelWindow)
 185     DECLARE_EVENT_TABLE()
 186 };
 187
 188 class WXDLLEXPORT wxGridWindow : public wxWindow
 189 {
 190 public:
 191     wxGridWindow()
 192     {
 193         m_owner = (wxGrid *)NULL;
 194         m_rowLabelWin = (wxGridRowLabelWindow *)NULL;
 195         m_colLabelWin = (wxGridColLabelWindow *)NULL;
 196     }
 197
 198     wxGridWindow( wxGrid *parent,
 199                   wxGridRowLabelWindow *rowLblWin,
 200                   wxGridColLabelWindow *colLblWin,
 201                   wxWindowID id, const wxPoint &pos, const wxSize &size );
 202     ~wxGridWindow();
 203
 204     void ScrollWindow( int dx, int dy, const wxRect *rect );
 205
 206 private:
 207     wxGrid                   *m_owner;
 208     wxGridRowLabelWindow     *m_rowLabelWin;
 209     wxGridColLabelWindow     *m_colLabelWin;
 210
 211     void OnPaint( wxPaintEvent &event );
 212     void OnMouseWheel( wxMouseEvent& event );
 213     void OnMouseEvent( wxMouseEvent& event );
 214     void OnKeyDown( wxKeyEvent& );
 215     void OnKeyUp( wxKeyEvent& );
 216     void OnEraseBackground( wxEraseEvent& );
 217
 218
 219     DECLARE_DYNAMIC_CLASS(wxGridWindow)
 220     DECLARE_EVENT_TABLE()
 221 };
 222
 223
 224
 225 class wxGridCellEditorEvtHandler : public wxEvtHandler
 226 {
 227 public:
 228     wxGridCellEditorEvtHandler()
 229         : m_grid(0), m_editor(0)
 230         { }
 231     wxGridCellEditorEvtHandler(wxGrid* grid, wxGridCellEditor* editor)
 232         : m_grid(grid), m_editor(editor)
 233         { }
 234
 235     void OnKeyDown(wxKeyEvent& event);
 236     void OnChar(wxKeyEvent& event);
 237
 238 private:
 239     wxGrid*             m_grid;
 240     wxGridCellEditor*   m_editor;
 241     DECLARE_DYNAMIC_CLASS(wxGridCellEditorEvtHandler)
 242     DECLARE_EVENT_TABLE()
 243 };
 244
 245
 246 IMPLEMENT_DYNAMIC_CLASS( wxGridCellEditorEvtHandler, wxEvtHandler )
 247 BEGIN_EVENT_TABLE( wxGridCellEditorEvtHandler, wxEvtHandler )
 248     EVT_KEY_DOWN( wxGridCellEditorEvtHandler::OnKeyDown )
 249     EVT_CHAR( wxGridCellEditorEvtHandler::OnChar )
 250 END_EVENT_TABLE()
 251
 252
 253
 254 // ----------------------------------------------------------------------------
 255 // the internal data representation used by wxGridCellAttrProvider
 256 // ----------------------------------------------------------------------------
 257
 258 // this class stores attributes set for cells
 259 class WXDLLEXPORT wxGridCellAttrData
 260 {
 261 public:
 262     void SetAttr(wxGridCellAttr *attr, int row, int col);
 263     wxGridCellAttr *GetAttr(int row, int col) const;
 264     void UpdateAttrRows( size_t pos, int numRows );
 265     void UpdateAttrCols( size_t pos, int numCols );
 266
 267 private:
 268     // searches for the attr for given cell, returns wxNOT_FOUND if not found
 269     int FindIndex(int row, int col) const;
 270
 271     wxGridCellWithAttrArray m_attrs;
 272 };
 273
 274 // this class stores attributes set for rows or columns
 275 class WXDLLEXPORT wxGridRowOrColAttrData
 276 {
 277 public:
 278     // empty ctor to suppress warnings
 279     wxGridRowOrColAttrData() { }
 280     ~wxGridRowOrColAttrData();
 281
 282     void SetAttr(wxGridCellAttr *attr, int rowOrCol);
 283     wxGridCellAttr *GetAttr(int rowOrCol) const;
 284     void UpdateAttrRowsOrCols( size_t pos, int numRowsOrCols );
 285
 286 private:
 287     wxArrayInt m_rowsOrCols;
 288     wxArrayAttrs m_attrs;
 289 };
 290
 291 // NB: this is just a wrapper around 3 objects: one which stores cell
 292 //     attributes, and 2 others for row/col ones
 293 class WXDLLEXPORT wxGridCellAttrProviderData
 294 {
 295 public:
 296     wxGridCellAttrData m_cellAttrs;
 297     wxGridRowOrColAttrData m_rowAttrs,
 298                            m_colAttrs;
 299 };
 300
 301
 302 // ----------------------------------------------------------------------------
 303 // data structures used for the data type registry
 304 // ----------------------------------------------------------------------------
 305
 306 struct wxGridDataTypeInfo
 307 {
 308     wxGridDataTypeInfo(const wxString& typeName,
 309                        wxGridCellRenderer* renderer,
 310                        wxGridCellEditor* editor)
 311         : m_typeName(typeName), m_renderer(renderer), m_editor(editor)
 312         { }
 313
 314     ~wxGridDataTypeInfo()
 315     {
 316         wxSafeDecRef(m_renderer);
 317         wxSafeDecRef(m_editor);
 318     }
 319
 320     wxString            m_typeName;
 321     wxGridCellRenderer* m_renderer;
 322     wxGridCellEditor*   m_editor;
 323 };
 324
 325
 326 WX_DEFINE_EXPORTED_ARRAY(wxGridDataTypeInfo*, wxGridDataTypeInfoArray);
 327
 328
 329 class WXDLLEXPORT wxGridTypeRegistry
 330 {
 331 public:
 332   wxGridTypeRegistry() {}
 333     ~wxGridTypeRegistry();
 334
 335     void RegisterDataType(const wxString& typeName,
 336                      wxGridCellRenderer* renderer,
 337                      wxGridCellEditor* editor);
 338
 339     // find one of already registered data types
 340     int FindRegisteredDataType(const wxString& typeName);
 341
 342     // try to FindRegisteredDataType(), if this fails and typeName is one of
 343     // standard typenames, register it and return its index
 344     int FindDataType(const wxString& typeName);
 345
 346     // try to FindDataType(), if it fails see if it is not one of already
 347     // registered data types with some params in which case clone the
 348     // registered data type and set params for it
 349     int FindOrCloneDataType(const wxString& typeName);
 350
 351     wxGridCellRenderer* GetRenderer(int index);
 352     wxGridCellEditor*   GetEditor(int index);
 353
 354 private:
 355     wxGridDataTypeInfoArray m_typeinfo;
 356 };
 357
 358 // ----------------------------------------------------------------------------
 359 // conditional compilation
 360 // ----------------------------------------------------------------------------
 361
 362 #ifndef WXGRID_DRAW_LINES
 363 #define WXGRID_DRAW_LINES 1
 364 #endif
 365
 366 // ----------------------------------------------------------------------------
 367 // globals
 368 // ----------------------------------------------------------------------------
 369
 370 //#define DEBUG_ATTR_CACHE
 371 #ifdef DEBUG_ATTR_CACHE
 372     static size_t gs_nAttrCacheHits = 0;
 373     static size_t gs_nAttrCacheMisses = 0;
 374 #endif // DEBUG_ATTR_CACHE
 375
 376 // ----------------------------------------------------------------------------
 377 // constants
 378 // ----------------------------------------------------------------------------
 379
 380 wxGridCellCoords wxGridNoCellCoords( -1, -1 );
 381 wxRect           wxGridNoCellRect( -1, -1, -1, -1 );
 382
 383 // scroll line size
 384 // TODO: this doesn't work at all, grid cells have different sizes and approx
 385 //       calculations don't work as because of the size mismatch scrollbars
 386 //       sometimes fail to be shown when they should be or vice versa
 387 //
 388 //       The scroll bars may be a little flakey once in a while, but that is
 389 //       surely much less horrible than having scroll lines of only 1!!!
 390 //       -- Robin
 391 //
 392 //       Well, it's still seriously broken so it might be better but needs
 393 //       fixing anyhow
 394 //       -- Vadim
 395 static const size_t GRID_SCROLL_LINE_X = 15;  // 1;
 396 static const size_t GRID_SCROLL_LINE_Y = GRID_SCROLL_LINE_X;
 397
 398 // the size of hash tables used a bit everywhere (the max number of elements
 399 // in these hash tables is the number of rows/columns)
 400 static const int GRID_HASH_SIZE = 100;
 401
 402 // ----------------------------------------------------------------------------
 403 // private functions
 404 // ----------------------------------------------------------------------------
 405
 406 static inline int GetScrollX(int x)
 407 {
 408     return (x + GRID_SCROLL_LINE_X - 1) / GRID_SCROLL_LINE_X;
 409 }
 410
 411 static inline int GetScrollY(int y)
 412 {
 413     return (y + GRID_SCROLL_LINE_Y - 1) / GRID_SCROLL_LINE_Y;
 414 }
 415
 416 // ============================================================================
 417 // implementation
 418 // ============================================================================
 419
 420 // ----------------------------------------------------------------------------
 421 // wxGridCellEditor
 422 // ----------------------------------------------------------------------------
 423
 424 wxGridCellEditor::wxGridCellEditor()
 425 {
 426     m_control = NULL;
 427 }
 428
 429
 430 wxGridCellEditor::~wxGridCellEditor()
 431 {
 432     Destroy();
 433 }
 434
 435 void wxGridCellEditor::Create(wxWindow* WXUNUSED(parent),
 436                               wxWindowID WXUNUSED(id),
 437                               wxEvtHandler* evtHandler)
 438 {
 439     if ( evtHandler )
 440         m_control->PushEventHandler(evtHandler);
 441 }
 442
 443 void wxGridCellEditor::PaintBackground(const wxRect& rectCell,
 444                                        wxGridCellAttr *attr)
 445 {
 446     // erase the background because we might not fill the cell
 447     wxClientDC dc(m_control->GetParent());
 448     dc.SetPen(*wxTRANSPARENT_PEN);
 449     dc.SetBrush(wxBrush(attr->GetBackgroundColour(), wxSOLID));
 450     dc.DrawRectangle(rectCell);
 451
 452     // redraw the control we just painted over
 453     m_control->Refresh();
 454 }
 455
 456 void wxGridCellEditor::Destroy()
 457 {
 458     if (m_control)
 459     {
 460         m_control->PopEventHandler(TRUE /* delete it*/);
 461
 462         m_control->Destroy();
 463         m_control = NULL;
 464     }
 465 }
 466
 467 void wxGridCellEditor::Show(bool show, wxGridCellAttr *attr)
 468 {
 469     wxASSERT_MSG(m_control,
 470                  wxT("The wxGridCellEditor must be Created first!"));
 471     m_control->Show(show);
 472
 473     if ( show )
 474     {
 475         // set the colours/fonts if we have any
 476         if ( attr )
 477         {
 478             m_colFgOld = m_control->GetForegroundColour();
 479             m_control->SetForegroundColour(attr->GetTextColour());
 480
 481             m_colBgOld = m_control->GetBackgroundColour();
 482             m_control->SetBackgroundColour(attr->GetBackgroundColour());
 483
 484             m_fontOld = m_control->GetFont();
 485             m_control->SetFont(attr->GetFont());
 486
 487             // can't do anything more in the base class version, the other
 488             // attributes may only be used by the derived classes
 489         }
 490     }
 491     else
 492     {
 493         // restore the standard colours fonts
 494         if ( m_colFgOld.Ok() )
 495         {
 496             m_control->SetForegroundColour(m_colFgOld);
 497             m_colFgOld = wxNullColour;
 498         }
 499
 500         if ( m_colBgOld.Ok() )
 501         {
 502             m_control->SetBackgroundColour(m_colBgOld);
 503             m_colBgOld = wxNullColour;
 504         }
 505
 506         if ( m_fontOld.Ok() )
 507         {
 508             m_control->SetFont(m_fontOld);
 509             m_fontOld = wxNullFont;
 510         }
 511     }
 512 }
 513
 514 void wxGridCellEditor::SetSize(const wxRect& rect)
 515 {
 516     wxASSERT_MSG(m_control,
 517                  wxT("The wxGridCellEditor must be Created first!"));
 518     m_control->SetSize(rect, wxSIZE_ALLOW_MINUS_ONE);
 519 }
 520
 521 void wxGridCellEditor::HandleReturn(wxKeyEvent& event)
 522 {
 523     event.Skip();
 524 }
 525
 526 bool wxGridCellEditor::IsAcceptedKey(wxKeyEvent& event)
 527 {
 528     // accept the simple key presses, not anything with Ctrl/Alt/Meta
 529     return !(event.ControlDown() || event.AltDown());
 530 }
 531
 532 void wxGridCellEditor::StartingKey(wxKeyEvent& event)
 533 {
 534     event.Skip();
 535 }
 536
 537 void wxGridCellEditor::StartingClick()
 538 {
 539 }
 540
 541 #if wxUSE_TEXTCTRL
 542
 543 // ----------------------------------------------------------------------------
 544 // wxGridCellTextEditor
 545 // ----------------------------------------------------------------------------
 546
 547 wxGridCellTextEditor::wxGridCellTextEditor()
 548 {
 549     m_maxChars = 0;
 550 }
 551
 552 void wxGridCellTextEditor::Create(wxWindow* parent,
 553                                   wxWindowID id,
 554                                   wxEvtHandler* evtHandler)
 555 {
 556     m_control = new wxTextCtrl(parent, id, wxEmptyString,
 557                                wxDefaultPosition, wxDefaultSize
 558 #if defined(__WXMSW__)
 559                                , wxTE_PROCESS_TAB | wxTE_MULTILINE |
 560                                  wxTE_NO_VSCROLL | wxTE_AUTO_SCROLL
 561 #endif
 562                               );
 563
 564     // TODO: use m_maxChars
 565
 566     wxGridCellEditor::Create(parent, id, evtHandler);
 567 }
 568
 569 void wxGridCellTextEditor::PaintBackground(const wxRect& WXUNUSED(rectCell),
 570                                            wxGridCellAttr * WXUNUSED(attr))
 571 {
 572     // as we fill the entire client area, don't do anything here to minimize
 573     // flicker
 574 }
 575
 576 void wxGridCellTextEditor::SetSize(const wxRect& rectOrig)
 577 {
 578     wxRect rect(rectOrig);
 579
 580     // Make the edit control large enough to allow for internal
 581     // margins
 582     //
 583     // TODO: remove this if the text ctrl sizing is improved esp. for
 584     // unix
 585     //
 586 #if defined(__WXGTK__)
 587     if (rect.x != 0)
 588     {
 589         rect.x += 1;
 590         rect.y += 1;
 591         rect.width -= 1;
 592         rect.height -= 1;
 593     }
 594 #else // !GTK
 595     int extra_x = ( rect.x > 2 )? 2 : 1;
 596
 597 // MB: treat MSW separately here otherwise the caret doesn't show
 598 // when the editor is in the first row.
 599 #if defined(__WXMSW__)
 600     int extra_y = 2;
 601 #else
 602     int extra_y = ( rect.y > 2 )? 2 : 1;
 603 #endif // MSW
 604
 605 #if defined(__WXMOTIF__)
 606     extra_x *= 2;
 607     extra_y *= 2;
 608 #endif
 609     rect.SetLeft( wxMax(0, rect.x - extra_x) );
 610     rect.SetTop( wxMax(0, rect.y - extra_y) );
 611     rect.SetRight( rect.GetRight() + 2*extra_x );
 612     rect.SetBottom( rect.GetBottom() + 2*extra_y );
 613 #endif // GTK/!GTK
 614
 615     wxGridCellEditor::SetSize(rect);
 616 }
 617
 618 void wxGridCellTextEditor::BeginEdit(int row, int col, wxGrid* grid)
 619 {
 620     wxASSERT_MSG(m_control,
 621                  wxT("The wxGridCellEditor must be Created first!"));
 622
 623     m_startValue = grid->GetTable()->GetValue(row, col);
 624
 625     DoBeginEdit(m_startValue);
 626 }
 627
 628 void wxGridCellTextEditor::DoBeginEdit(const wxString& startValue)
 629 {
 630     Text()->SetValue(startValue);
 631     Text()->SetInsertionPointEnd();
 632     Text()->SetSelection(-1,-1);
 633     Text()->SetFocus();
 634 }
 635
 636 bool wxGridCellTextEditor::EndEdit(int row, int col,
 637                                    wxGrid* grid)
 638 {
 639     wxASSERT_MSG(m_control,
 640                  wxT("The wxGridCellEditor must be Created first!"));
 641
 642     bool changed = FALSE;
 643     wxString value = Text()->GetValue();
 644     if (value != m_startValue)
 645         changed = TRUE;
 646
 647     if (changed)
 648         grid->GetTable()->SetValue(row, col, value);
 649
 650     m_startValue = wxEmptyString;
 651     Text()->SetValue(m_startValue);
 652
 653     return changed;
 654 }
 655
 656
 657 void wxGridCellTextEditor::Reset()
 658 {
 659     wxASSERT_MSG(m_control,
 660                  wxT("The wxGridCellEditor must be Created first!"));
 661
 662     DoReset(m_startValue);
 663 }
 664
 665 void wxGridCellTextEditor::DoReset(const wxString& startValue)
 666 {
 667     Text()->SetValue(startValue);
 668     Text()->SetInsertionPointEnd();
 669 }
 670
 671 bool wxGridCellTextEditor::IsAcceptedKey(wxKeyEvent& event)
 672 {
 673     if ( wxGridCellEditor::IsAcceptedKey(event) )
 674     {
 675         int keycode = event.GetKeyCode();
 676         switch ( keycode )
 677         {
 678             case WXK_NUMPAD0:
 679             case WXK_NUMPAD1:
 680             case WXK_NUMPAD2:
 681             case WXK_NUMPAD3:
 682             case WXK_NUMPAD4:
 683             case WXK_NUMPAD5:
 684             case WXK_NUMPAD6:
 685             case WXK_NUMPAD7:
 686             case WXK_NUMPAD8:
 687             case WXK_NUMPAD9:
 688             case WXK_MULTIPLY:
 689             case WXK_NUMPAD_MULTIPLY:
 690             case WXK_ADD:
 691             case WXK_NUMPAD_ADD:
 692             case WXK_SUBTRACT:
 693             case WXK_NUMPAD_SUBTRACT:
 694             case WXK_DECIMAL:
 695             case WXK_NUMPAD_DECIMAL:
 696             case WXK_DIVIDE:
 697             case WXK_NUMPAD_DIVIDE:
 698                 return TRUE;
 699
 700             default:
 701                 // accept 8 bit chars too if isprint() agrees
 702                 if ( (keycode < 255) && (isprint(keycode)) )
 703                     return TRUE;
 704         }
 705     }
 706
 707     return FALSE;
 708 }
 709
 710 void wxGridCellTextEditor::StartingKey(wxKeyEvent& event)
 711 {
 712     if ( !Text()->EmulateKeyPress(event) )
 713     {
 714         event.Skip();
 715     }
 716 }
 717
 718 void wxGridCellTextEditor::HandleReturn( wxKeyEvent&
 719                                          WXUNUSED_GTK(WXUNUSED_MOTIF(event)) )
 720 {
 721 #if defined(__WXMOTIF__) || defined(__WXGTK__)
 722     // wxMotif needs a little extra help...
 723     size_t pos = (size_t)( Text()->GetInsertionPoint() );
 724     wxString s( Text()->GetValue() );
 725     s = s.Left(pos) + wxT("\n") + s.Mid(pos);
 726     Text()->SetValue(s);
 727     Text()->SetInsertionPoint( pos );
 728 #else
 729     // the other ports can handle a Return key press
 730     //
 731     event.Skip();
 732 #endif
 733 }
 734
 735 void wxGridCellTextEditor::SetParameters(const wxString& params)
 736 {
 737     if ( !params )
 738     {
 739         // reset to default
 740         m_maxChars = 0;
 741     }
 742     else
 743     {
 744         long tmp;
 745         if ( !params.ToLong(&tmp) )
 746         {
 747             wxLogDebug(_T("Invalid wxGridCellTextEditor parameter string '%s' ignored"), params.c_str());
 748         }
 749         else
 750         {
 751             m_maxChars = (size_t)tmp;
 752         }
 753     }
 754 }
 755
 756 // ----------------------------------------------------------------------------
 757 // wxGridCellNumberEditor
 758 // ----------------------------------------------------------------------------
 759
 760 wxGridCellNumberEditor::wxGridCellNumberEditor(int min, int max)
 761 {
 762     m_min = min;
 763     m_max = max;
 764 }
 765
 766 void wxGridCellNumberEditor::Create(wxWindow* parent,
 767                                     wxWindowID id,
 768                                     wxEvtHandler* evtHandler)
 769 {
 770     if ( HasRange() )
 771     {
 772         // create a spin ctrl
 773         m_control = new wxSpinCtrl(parent, -1, wxEmptyString,
 774                                    wxDefaultPosition, wxDefaultSize,
 775                                    wxSP_ARROW_KEYS,
 776                                    m_min, m_max);
 777
 778         wxGridCellEditor::Create(parent, id, evtHandler);
 779     }
 780     else
 781     {
 782         // just a text control
 783         wxGridCellTextEditor::Create(parent, id, evtHandler);
 784
 785 #if wxUSE_VALIDATORS
 786         Text()->SetValidator(wxTextValidator(wxFILTER_NUMERIC));
 787 #endif // wxUSE_VALIDATORS
 788     }
 789 }
 790
 791 void wxGridCellNumberEditor::BeginEdit(int row, int col, wxGrid* grid)
 792 {
 793     // first get the value
 794     wxGridTableBase *table = grid->GetTable();
 795     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_NUMBER) )
 796     {
 797         m_valueOld = table->GetValueAsLong(row, col);
 798     }
 799     else
 800     {
 801         m_valueOld = 0;
 802         wxString sValue = table->GetValue(row, col);
 803         if (! sValue.ToLong(&m_valueOld) && ! sValue.IsEmpty())
 804         {
 805             wxFAIL_MSG( _T("this cell doesn't have numeric value") );
 806             return;
 807         }
 808     }
 809
 810     if ( HasRange() )
 811     {
 812         Spin()->SetValue((int)m_valueOld);
 813         Spin()->SetFocus();
 814     }
 815     else
 816     {
 817         DoBeginEdit(GetString());
 818     }
 819 }
 820
 821 bool wxGridCellNumberEditor::EndEdit(int row, int col,
 822                                      wxGrid* grid)
 823 {
 824     bool changed;
 825     long value = 0;
 826     wxString text;
 827
 828     if ( HasRange() )
 829     {
 830         value = Spin()->GetValue();
 831         changed = value != m_valueOld;
 832         if (changed)
 833             text = wxString::Format(wxT("%ld"), value);
 834     }
 835     else
 836     {
 837         text = Text()->GetValue();
 838         changed = (text.IsEmpty() || text.ToLong(&value)) && (value != m_valueOld);
 839     }
 840
 841     if ( changed )
 842     {
 843         if (grid->GetTable()->CanSetValueAs(row, col, wxGRID_VALUE_NUMBER))
 844             grid->GetTable()->SetValueAsLong(row, col, value);
 845         else
 846             grid->GetTable()->SetValue(row, col, text);
 847     }
 848
 849     return changed;
 850 }
 851
 852 void wxGridCellNumberEditor::Reset()
 853 {
 854     if ( HasRange() )
 855     {
 856         Spin()->SetValue((int)m_valueOld);
 857     }
 858     else
 859     {
 860         DoReset(GetString());
 861     }
 862 }
 863
 864 bool wxGridCellNumberEditor::IsAcceptedKey(wxKeyEvent& event)
 865 {
 866     if ( wxGridCellEditor::IsAcceptedKey(event) )
 867     {
 868         int keycode = event.GetKeyCode();
 869         switch ( keycode )
 870         {
 871             case WXK_NUMPAD0:
 872             case WXK_NUMPAD1:
 873             case WXK_NUMPAD2:
 874             case WXK_NUMPAD3:
 875             case WXK_NUMPAD4:
 876             case WXK_NUMPAD5:
 877             case WXK_NUMPAD6:
 878             case WXK_NUMPAD7:
 879             case WXK_NUMPAD8:
 880             case WXK_NUMPAD9:
 881             case WXK_ADD:
 882             case WXK_NUMPAD_ADD:
 883             case WXK_SUBTRACT:
 884             case WXK_NUMPAD_SUBTRACT:
 885             case WXK_UP:
 886             case WXK_DOWN:
 887                 return TRUE;
 888
 889             default:
 890                 if ( (keycode < 128) && isdigit(keycode) )
 891                     return TRUE;
 892         }
 893     }
 894
 895     return FALSE;
 896 }
 897
 898 void wxGridCellNumberEditor::StartingKey(wxKeyEvent& event)
 899 {
 900     if ( !HasRange() )
 901     {
 902         int keycode = (int) event.KeyCode();
 903         if ( isdigit(keycode) || keycode == '+' || keycode == '-'
 904             || keycode ==  WXK_NUMPAD0
 905             || keycode ==  WXK_NUMPAD1
 906             || keycode ==  WXK_NUMPAD2
 907             || keycode ==  WXK_NUMPAD3
 908             || keycode ==  WXK_NUMPAD4
 909             || keycode ==  WXK_NUMPAD5
 910             || keycode ==  WXK_NUMPAD6
 911             || keycode ==  WXK_NUMPAD7
 912             || keycode ==  WXK_NUMPAD8
 913             || keycode ==  WXK_NUMPAD9
 914             || keycode ==  WXK_ADD
 915             || keycode ==  WXK_NUMPAD_ADD
 916             || keycode ==  WXK_SUBTRACT
 917             || keycode ==  WXK_NUMPAD_SUBTRACT)
 918         {
 919             wxGridCellTextEditor::StartingKey(event);
 920
 921             // skip Skip() below
 922             return;
 923         }
 924     }
 925
 926     event.Skip();
 927 }
 928
 929 void wxGridCellNumberEditor::SetParameters(const wxString& params)
 930 {
 931     if ( !params )
 932     {
 933         // reset to default
 934         m_min =
 935         m_max = -1;
 936     }
 937     else
 938     {
 939         long tmp;
 940         if ( params.BeforeFirst(_T(',')).ToLong(&tmp) )
 941         {
 942             m_min = (int)tmp;
 943
 944             if ( params.AfterFirst(_T(',')).ToLong(&tmp) )
 945             {
 946                 m_max = (int)tmp;
 947
 948                 // skip the error message below
 949                 return;
 950             }
 951         }
 952
 953         wxLogDebug(_T("Invalid wxGridCellNumberEditor parameter string '%s' ignored"), params.c_str());
 954     }
 955 }
 956
 957 // ----------------------------------------------------------------------------
 958 // wxGridCellFloatEditor
 959 // ----------------------------------------------------------------------------
 960
 961 wxGridCellFloatEditor::wxGridCellFloatEditor(int width, int precision)
 962 {
 963     m_width = width;
 964     m_precision = precision;
 965 }
 966
 967 void wxGridCellFloatEditor::Create(wxWindow* parent,
 968                                    wxWindowID id,
 969                                    wxEvtHandler* evtHandler)
 970 {
 971     wxGridCellTextEditor::Create(parent, id, evtHandler);
 972
 973 #if wxUSE_VALIDATORS
 974     Text()->SetValidator(wxTextValidator(wxFILTER_NUMERIC));
 975 #endif // wxUSE_VALIDATORS
 976 }
 977
 978 void wxGridCellFloatEditor::BeginEdit(int row, int col, wxGrid* grid)
 979 {
 980     // first get the value
 981     wxGridTableBase *table = grid->GetTable();
 982     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_FLOAT) )
 983     {
 984         m_valueOld = table->GetValueAsDouble(row, col);
 985     }
 986     else
 987     {
 988         m_valueOld = 0.0;
 989         wxString sValue = table->GetValue(row, col);
 990         if (! sValue.ToDouble(&m_valueOld) && ! sValue.IsEmpty())
 991         {
 992             wxFAIL_MSG( _T("this cell doesn't have float value") );
 993             return;
 994         }
 995     }
 996
 997     DoBeginEdit(GetString());
 998 }
 999
1000 bool wxGridCellFloatEditor::EndEdit(int row, int col,
1001                                      wxGrid* grid)
1002 {
1003     double value = 0.0;
1004     wxString text(Text()->GetValue());
1005
1006     if ( (text.IsEmpty() || text.ToDouble(&value)) && (value != m_valueOld) )
1007     {
1008         if (grid->GetTable()->CanSetValueAs(row, col, wxGRID_VALUE_FLOAT))
1009             grid->GetTable()->SetValueAsDouble(row, col, value);
1010         else
1011             grid->GetTable()->SetValue(row, col, text);
1012
1013         return TRUE;
1014     }
1015     return FALSE;
1016 }
1017
1018 void wxGridCellFloatEditor::Reset()
1019 {
1020     DoReset(GetString());
1021 }
1022
1023 void wxGridCellFloatEditor::StartingKey(wxKeyEvent& event)
1024 {
1025     int keycode = (int)event.KeyCode();
1026         if ( isdigit(keycode) || keycode == '+' || keycode == '-' || keycode == '.'
1027             || keycode ==  WXK_NUMPAD0
1028             || keycode ==  WXK_NUMPAD1
1029             || keycode ==  WXK_NUMPAD2
1030             || keycode ==  WXK_NUMPAD3
1031             || keycode ==  WXK_NUMPAD4
1032             || keycode ==  WXK_NUMPAD5
1033             || keycode ==  WXK_NUMPAD6
1034             || keycode ==  WXK_NUMPAD7
1035             || keycode ==  WXK_NUMPAD8
1036             || keycode ==  WXK_NUMPAD9
1037             || keycode ==  WXK_ADD
1038             || keycode ==  WXK_NUMPAD_ADD
1039             || keycode ==  WXK_SUBTRACT
1040             || keycode ==  WXK_NUMPAD_SUBTRACT)
1041     {
1042         wxGridCellTextEditor::StartingKey(event);
1043
1044         // skip Skip() below
1045         return;
1046     }
1047
1048     event.Skip();
1049 }
1050
1051 void wxGridCellFloatEditor::SetParameters(const wxString& params)
1052 {
1053     if ( !params )
1054     {
1055         // reset to default
1056         m_width =
1057         m_precision = -1;
1058     }
1059     else
1060     {
1061         long tmp;
1062         if ( params.BeforeFirst(_T(',')).ToLong(&tmp) )
1063         {
1064             m_width = (int)tmp;
1065
1066             if ( params.AfterFirst(_T(',')).ToLong(&tmp) )
1067             {
1068                 m_precision = (int)tmp;
1069
1070                 // skip the error message below
1071                 return;
1072             }
1073         }
1074
1075         wxLogDebug(_T("Invalid wxGridCellFloatEditor parameter string '%s' ignored"), params.c_str());
1076     }
1077 }
1078
1079 wxString wxGridCellFloatEditor::GetString() const
1080 {
1081     wxString fmt;
1082     if ( m_width == -1 )
1083     {
1084         // default width/precision
1085         fmt = _T("%f");
1086     }
1087     else if ( m_precision == -1 )
1088     {
1089         // default precision
1090         fmt.Printf(_T("%%%d.f"), m_width);
1091     }
1092     else
1093     {
1094         fmt.Printf(_T("%%%d.%df"), m_width, m_precision);
1095     }
1096
1097     return wxString::Format(fmt, m_valueOld);
1098 }
1099
1100 bool wxGridCellFloatEditor::IsAcceptedKey(wxKeyEvent& event)
1101 {
1102     if ( wxGridCellEditor::IsAcceptedKey(event) )
1103     {
1104         int keycode = event.GetKeyCode();
1105         switch ( keycode )
1106         {
1107             case WXK_NUMPAD0:
1108             case WXK_NUMPAD1:
1109             case WXK_NUMPAD2:
1110             case WXK_NUMPAD3:
1111             case WXK_NUMPAD4:
1112             case WXK_NUMPAD5:
1113             case WXK_NUMPAD6:
1114             case WXK_NUMPAD7:
1115             case WXK_NUMPAD8:
1116             case WXK_NUMPAD9:
1117             case WXK_ADD:
1118             case WXK_NUMPAD_ADD:
1119             case WXK_SUBTRACT:
1120             case WXK_NUMPAD_SUBTRACT:
1121             case WXK_DECIMAL:
1122             case WXK_NUMPAD_DECIMAL:
1123                 return TRUE;
1124
1125             default:
1126                 // additionally accept 'e' as in '1e+6'
1127                 if ( (keycode < 128) &&
1128                      (isdigit(keycode) || tolower(keycode) == 'e') )
1129                     return TRUE;
1130         }
1131     }
1132
1133     return FALSE;
1134 }
1135
1136 #endif // wxUSE_TEXTCTRL
1137
1138 #if wxUSE_CHECKBOX
1139
1140 // ----------------------------------------------------------------------------
1141 // wxGridCellBoolEditor
1142 // ----------------------------------------------------------------------------
1143
1144 void wxGridCellBoolEditor::Create(wxWindow* parent,
1145                                   wxWindowID id,
1146                                   wxEvtHandler* evtHandler)
1147 {
1148     m_control = new wxCheckBox(parent, id, wxEmptyString,
1149                                wxDefaultPosition, wxDefaultSize,
1150                                wxNO_BORDER);
1151
1152     wxGridCellEditor::Create(parent, id, evtHandler);
1153 }
1154
1155 void wxGridCellBoolEditor::SetSize(const wxRect& r)
1156 {
1157     bool resize = FALSE;
1158     wxSize size = m_control->GetSize();
1159     wxCoord minSize = wxMin(r.width, r.height);
1160
1161     // check if the checkbox is not too big/small for this cell
1162     wxSize sizeBest = m_control->GetBestSize();
1163     if ( !(size == sizeBest) )
1164     {
1165         // reset to default size if it had been made smaller
1166         size = sizeBest;
1167
1168         resize = TRUE;
1169     }
1170
1171     if ( size.x >= minSize || size.y >= minSize )
1172     {
1173         // leave 1 pixel margin
1174         size.x = size.y = minSize - 2;
1175
1176         resize = TRUE;
1177     }
1178
1179     if ( resize )
1180     {
1181         m_control->SetSize(size);
1182     }
1183
1184     // position it in the centre of the rectangle (TODO: support alignment?)
1185
1186 #if defined(__WXGTK__) || defined (__WXMOTIF__)
1187     // the checkbox without label still has some space to the right in wxGTK,
1188     // so shift it to the right
1189     size.x -= 8;
1190 #elif defined(__WXMSW__)
1191     // here too, but in other way
1192     size.x += 1;
1193     size.y -= 2;
1194 #endif
1195
1196     m_control->Move(r.x + r.width/2 - size.x/2, r.y + r.height/2 - size.y/2);
1197 }
1198
1199 void wxGridCellBoolEditor::Show(bool show, wxGridCellAttr *attr)
1200 {
1201     m_control->Show(show);
1202
1203     if ( show )
1204     {
1205         wxColour colBg = attr ? attr->GetBackgroundColour() : *wxLIGHT_GREY;
1206         CBox()->SetBackgroundColour(colBg);
1207     }
1208 }
1209
1210 void wxGridCellBoolEditor::BeginEdit(int row, int col, wxGrid* grid)
1211 {
1212     wxASSERT_MSG(m_control,
1213                  wxT("The wxGridCellEditor must be Created first!"));
1214
1215     if (grid->GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL))
1216         m_startValue = grid->GetTable()->GetValueAsBool(row, col);
1217     else
1218     {
1219         wxString cellval( grid->GetTable()->GetValue(row, col) );
1220         m_startValue = !( !cellval || (cellval == wxT("0")) );
1221     }
1222     CBox()->SetValue(m_startValue);
1223     CBox()->SetFocus();
1224 }
1225
1226 bool wxGridCellBoolEditor::EndEdit(int row, int col,
1227                                    wxGrid* grid)
1228 {
1229     wxASSERT_MSG(m_control,
1230                  wxT("The wxGridCellEditor must be Created first!"));
1231
1232     bool changed = FALSE;
1233     bool value = CBox()->GetValue();
1234     if ( value != m_startValue )
1235         changed = TRUE;
1236
1237     if ( changed )
1238     {
1239         if (grid->GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL))
1240             grid->GetTable()->SetValueAsBool(row, col, value);
1241         else
1242             grid->GetTable()->SetValue(row, col, value ? _T("1") : wxEmptyString);
1243     }
1244
1245     return changed;
1246 }
1247
1248 void wxGridCellBoolEditor::Reset()
1249 {
1250     wxASSERT_MSG(m_control,
1251                  wxT("The wxGridCellEditor must be Created first!"));
1252
1253     CBox()->SetValue(m_startValue);
1254 }
1255
1256 void wxGridCellBoolEditor::StartingClick()
1257 {
1258     CBox()->SetValue(!CBox()->GetValue());
1259 }
1260
1261 bool wxGridCellBoolEditor::IsAcceptedKey(wxKeyEvent& event)
1262 {
1263     if ( wxGridCellEditor::IsAcceptedKey(event) )
1264     {
1265         int keycode = event.GetKeyCode();
1266         switch ( keycode )
1267         {
1268             case WXK_MULTIPLY:
1269             case WXK_NUMPAD_MULTIPLY:
1270             case WXK_ADD:
1271             case WXK_NUMPAD_ADD:
1272             case WXK_SUBTRACT:
1273             case WXK_NUMPAD_SUBTRACT:
1274             case WXK_SPACE:
1275             case '+':
1276             case '-':
1277                 return TRUE;
1278         }
1279     }
1280
1281     return FALSE;
1282 }
1283
1284 #endif // wxUSE_CHECKBOX
1285
1286 #if wxUSE_COMBOBOX
1287
1288 // ----------------------------------------------------------------------------
1289 // wxGridCellChoiceEditor
1290 // ----------------------------------------------------------------------------
1291
1292 wxGridCellChoiceEditor::wxGridCellChoiceEditor(size_t count,
1293                                                const wxString choices[],
1294                                                bool allowOthers)
1295                       : m_allowOthers(allowOthers)
1296 {
1297     if ( count )
1298     {
1299         m_choices.Alloc(count);
1300         for ( size_t n = 0; n < count; n++ )
1301         {
1302             m_choices.Add(choices[n]);
1303         }
1304     }
1305 }
1306
1307 wxGridCellEditor *wxGridCellChoiceEditor::Clone() const
1308 {
1309     wxGridCellChoiceEditor *editor = new wxGridCellChoiceEditor;
1310     editor->m_allowOthers = m_allowOthers;
1311     editor->m_choices = m_choices;
1312
1313     return editor;
1314 }
1315
1316 void wxGridCellChoiceEditor::Create(wxWindow* parent,
1317                                     wxWindowID id,
1318                                     wxEvtHandler* evtHandler)
1319 {
1320     size_t count = m_choices.GetCount();
1321     wxString *choices = new wxString[count];
1322     for ( size_t n = 0; n < count; n++ )
1323     {
1324         choices[n] = m_choices[n];
1325     }
1326
1327     m_control = new wxComboBox(parent, id, wxEmptyString,
1328                                wxDefaultPosition, wxDefaultSize,
1329                                count, choices,
1330                                m_allowOthers ? 0 : wxCB_READONLY);
1331
1332     delete [] choices;
1333
1334     wxGridCellEditor::Create(parent, id, evtHandler);
1335 }
1336
1337 void wxGridCellChoiceEditor::PaintBackground(const wxRect& rectCell,
1338                                              wxGridCellAttr * attr)
1339 {
1340     // as we fill the entire client area, don't do anything here to minimize
1341     // flicker
1342
1343     // TODO: It doesn't actually fill the client area since the height of a
1344     // combo always defaults to the standard...  Until someone has time to
1345     // figure out the right rectangle to paint, just do it the normal way...
1346     wxGridCellEditor::PaintBackground(rectCell, attr);
1347 }
1348
1349 void wxGridCellChoiceEditor::BeginEdit(int row, int col, wxGrid* grid)
1350 {
1351     wxASSERT_MSG(m_control,
1352                  wxT("The wxGridCellEditor must be Created first!"));
1353
1354     m_startValue = grid->GetTable()->GetValue(row, col);
1355
1356     Combo()->SetValue(m_startValue);
1357     size_t count = m_choices.GetCount();
1358     for (size_t i=0; i<count; i++)
1359     {
1360         if (m_startValue == m_choices[i])
1361         {
1362             Combo()->SetSelection(i);
1363             break;
1364         }
1365     }
1366     Combo()->SetInsertionPointEnd();
1367     Combo()->SetFocus();
1368 }
1369
1370 bool wxGridCellChoiceEditor::EndEdit(int row, int col,
1371                                      wxGrid* grid)
1372 {
1373     wxString value = Combo()->GetValue();
1374     bool changed = value != m_startValue;
1375
1376     if ( changed )
1377         grid->GetTable()->SetValue(row, col, value);
1378
1379     m_startValue = wxEmptyString;
1380     Combo()->SetValue(m_startValue);
1381
1382     return changed;
1383 }
1384
1385 void wxGridCellChoiceEditor::Reset()
1386 {
1387     Combo()->SetValue(m_startValue);
1388     Combo()->SetInsertionPointEnd();
1389 }
1390
1391 void wxGridCellChoiceEditor::SetParameters(const wxString& params)
1392 {
1393     if ( !params )
1394     {
1395         // what can we do?
1396         return;
1397     }
1398
1399     m_choices.Empty();
1400
1401     wxStringTokenizer tk(params, _T(','));
1402     while ( tk.HasMoreTokens() )
1403     {
1404         m_choices.Add(tk.GetNextToken());
1405     }
1406 }
1407
1408 #endif // wxUSE_COMBOBOX
1409
1410 // ----------------------------------------------------------------------------
1411 // wxGridCellEditorEvtHandler
1412 // ----------------------------------------------------------------------------
1413
1414 void wxGridCellEditorEvtHandler::OnKeyDown(wxKeyEvent& event)
1415 {
1416     switch ( event.KeyCode() )
1417     {
1418         case WXK_ESCAPE:
1419             m_editor->Reset();
1420             m_grid->DisableCellEditControl();
1421             break;
1422
1423         case WXK_TAB:
1424             m_grid->GetEventHandler()->ProcessEvent( event );
1425             break;
1426
1427         case WXK_RETURN:
1428         case WXK_NUMPAD_ENTER:
1429             if (!m_grid->GetEventHandler()->ProcessEvent(event))
1430                 m_editor->HandleReturn(event);
1431             break;
1432
1433
1434         default:
1435             event.Skip();
1436     }
1437 }
1438
1439 void wxGridCellEditorEvtHandler::OnChar(wxKeyEvent& event)
1440 {
1441     switch ( event.KeyCode() )
1442     {
1443         case WXK_ESCAPE:
1444         case WXK_TAB:
1445         case WXK_RETURN:
1446         case WXK_NUMPAD_ENTER:
1447             break;
1448
1449         default:
1450             event.Skip();
1451     }
1452 }
1453
1454 // ----------------------------------------------------------------------------
1455 // wxGridCellWorker is an (almost) empty common base class for
1456 // wxGridCellRenderer and wxGridCellEditor managing ref counting
1457 // ----------------------------------------------------------------------------
1458
1459 void wxGridCellWorker::SetParameters(const wxString& WXUNUSED(params))
1460 {
1461     // nothing to do
1462 }
1463
1464 wxGridCellWorker::~wxGridCellWorker()
1465 {
1466 }
1467
1468 // ============================================================================
1469 // renderer classes
1470 // ============================================================================
1471
1472 // ----------------------------------------------------------------------------
1473 // wxGridCellRenderer
1474 // ----------------------------------------------------------------------------
1475
1476 void wxGridCellRenderer::Draw(wxGrid& grid,
1477                               wxGridCellAttr& attr,
1478                               wxDC& dc,
1479                               const wxRect& rect,
1480                               int WXUNUSED(row), int WXUNUSED(col),
1481                               bool isSelected)
1482 {
1483     dc.SetBackgroundMode( wxSOLID );
1484
1485     if ( isSelected )
1486     {
1487         dc.SetBrush( wxBrush(grid.GetSelectionBackground(), wxSOLID) );
1488     }
1489     else
1490     {
1491         dc.SetBrush( wxBrush(attr.GetBackgroundColour(), wxSOLID) );
1492     }
1493
1494     dc.SetPen( *wxTRANSPARENT_PEN );
1495     dc.DrawRectangle(rect);
1496 }
1497
1498 // ----------------------------------------------------------------------------
1499 // wxGridCellStringRenderer
1500 // ----------------------------------------------------------------------------
1501
1502 void wxGridCellStringRenderer::SetTextColoursAndFont(wxGrid& grid,
1503                                                      wxGridCellAttr& attr,
1504                                                      wxDC& dc,
1505                                                      bool isSelected)
1506 {
1507     dc.SetBackgroundMode( wxTRANSPARENT );
1508
1509     // TODO some special colours for attr.IsReadOnly() case?
1510
1511     if ( isSelected )
1512     {
1513         dc.SetTextBackground( grid.GetSelectionBackground() );
1514         dc.SetTextForeground( grid.GetSelectionForeground() );
1515     }
1516     else
1517     {
1518         dc.SetTextBackground( attr.GetBackgroundColour() );
1519         dc.SetTextForeground( attr.GetTextColour() );
1520     }
1521
1522     dc.SetFont( attr.GetFont() );
1523 }
1524
1525 wxSize wxGridCellStringRenderer::DoGetBestSize(wxGridCellAttr& attr,
1526                                                wxDC& dc,
1527                                                const wxString& text)
1528 {
1529     wxCoord x = 0, y = 0, max_x = 0;
1530     dc.SetFont(attr.GetFont());
1531     wxStringTokenizer tk(text, _T('\n'));
1532     while ( tk.HasMoreTokens() )
1533     {
1534         dc.GetTextExtent(tk.GetNextToken(), &x, &y);
1535         max_x = wxMax(max_x, x);
1536     }
1537
1538     y *= 1 + text.Freq(wxT('\n')); // multiply by the number of lines.
1539
1540     return wxSize(max_x, y);
1541 }
1542
1543 wxSize wxGridCellStringRenderer::GetBestSize(wxGrid& grid,
1544                                              wxGridCellAttr& attr,
1545                                              wxDC& dc,
1546                                              int row, int col)
1547 {
1548     return DoGetBestSize(attr, dc, grid.GetCellValue(row, col));
1549 }
1550
1551 void wxGridCellStringRenderer::Draw(wxGrid& grid,
1552                                     wxGridCellAttr& attr,
1553                                     wxDC& dc,
1554                                     const wxRect& rectCell,
1555                                     int row, int col,
1556                                     bool isSelected)
1557 {
1558     wxRect rect = rectCell;
1559
1560     if (attr.GetOverflow())
1561     {
1562         int cols = grid.GetNumberCols();
1563         int best_width = GetBestSize(grid,attr,dc,row,col).GetWidth();
1564         int cell_rows, cell_cols;
1565         attr.GetSize( &cell_rows, &cell_cols ); // shouldn't get here if <=0
1566         if ((best_width > rectCell.width) && (col < cols) && grid.GetTable())
1567         {
1568             int i, c_cols, c_rows;
1569             for (i = col+cell_cols; i < cols; i++)
1570             {
1571                 // check w/ anchor cell for multicell block
1572                 grid.GetCellSize(row, i, &c_rows, &c_cols);
1573                 if (c_rows > 0) c_rows = 0;
1574                 if (grid.GetTable()->IsEmptyCell(row+c_rows, i))
1575                 {
1576                     rect.width += grid.GetColSize(i);
1577                     if (rect.width >= best_width) break;
1578                 }
1579                 else break;
1580             }
1581         }
1582     }
1583
1584     // erase only this cells background, overflow cells should have been erased
1585     wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
1586
1587     // now we only have to draw the text
1588     SetTextColoursAndFont(grid, attr, dc, isSelected);
1589
1590     int hAlign, vAlign;
1591     attr.GetAlignment(&hAlign, &vAlign);
1592
1593     rect.Inflate(-1);
1594
1595     grid.DrawTextRectangle(dc, grid.GetCellValue(row, col),
1596                            rect, hAlign, vAlign);
1597 }
1598
1599 // ----------------------------------------------------------------------------
1600 // wxGridCellNumberRenderer
1601 // ----------------------------------------------------------------------------
1602
1603 wxString wxGridCellNumberRenderer::GetString(wxGrid& grid, int row, int col)
1604 {
1605     wxGridTableBase *table = grid.GetTable();
1606     wxString text;
1607     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_NUMBER) )
1608     {
1609         text.Printf(_T("%ld"), table->GetValueAsLong(row, col));
1610     }
1611     else
1612     {
1613         text = table->GetValue(row, col);
1614     }
1615
1616     return text;
1617 }
1618
1619 void wxGridCellNumberRenderer::Draw(wxGrid& grid,
1620                                     wxGridCellAttr& attr,
1621                                     wxDC& dc,
1622                                     const wxRect& rectCell,
1623                                     int row, int col,
1624                                     bool isSelected)
1625 {
1626     wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
1627
1628     SetTextColoursAndFont(grid, attr, dc, isSelected);
1629
1630     // draw the text right aligned by default
1631     int hAlign, vAlign;
1632     attr.GetAlignment(&hAlign, &vAlign);
1633     hAlign = wxALIGN_RIGHT;
1634
1635     wxRect rect = rectCell;
1636     rect.Inflate(-1);
1637
1638     grid.DrawTextRectangle(dc, GetString(grid, row, col), rect, hAlign, vAlign);
1639 }
1640
1641 wxSize wxGridCellNumberRenderer::GetBestSize(wxGrid& grid,
1642                                              wxGridCellAttr& attr,
1643                                              wxDC& dc,
1644                                              int row, int col)
1645 {
1646     return DoGetBestSize(attr, dc, GetString(grid, row, col));
1647 }
1648
1649 // ----------------------------------------------------------------------------
1650 // wxGridCellFloatRenderer
1651 // ----------------------------------------------------------------------------
1652
1653 wxGridCellFloatRenderer::wxGridCellFloatRenderer(int width, int precision)
1654 {
1655     SetWidth(width);
1656     SetPrecision(precision);
1657 }
1658
1659 wxGridCellRenderer *wxGridCellFloatRenderer::Clone() const
1660 {
1661     wxGridCellFloatRenderer *renderer = new wxGridCellFloatRenderer;
1662     renderer->m_width = m_width;
1663     renderer->m_precision = m_precision;
1664     renderer->m_format = m_format;
1665
1666     return renderer;
1667 }
1668
1669 wxString wxGridCellFloatRenderer::GetString(wxGrid& grid, int row, int col)
1670 {
1671     wxGridTableBase *table = grid.GetTable();
1672
1673     bool hasDouble;
1674     double val;
1675     wxString text;
1676     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_FLOAT) )
1677     {
1678         val = table->GetValueAsDouble(row, col);
1679         hasDouble = TRUE;
1680     }
1681     else
1682     {
1683         text = table->GetValue(row, col);
1684         hasDouble = text.ToDouble(&val);
1685     }
1686
1687     if ( hasDouble )
1688     {
1689         if ( !m_format )
1690         {
1691             if ( m_width == -1 )
1692             {
1693                 if ( m_precision == -1 )
1694                 {
1695                 // default width/precision
1696                 m_format = _T("%f");
1697             }
1698                 else
1699                 {
1700                     m_format.Printf(_T("%%.%df"), m_precision);
1701                 }
1702             }
1703             else if ( m_precision == -1 )
1704             {
1705                 // default precision
1706                 m_format.Printf(_T("%%%d.f"), m_width);
1707             }
1708             else
1709             {
1710                 m_format.Printf(_T("%%%d.%df"), m_width, m_precision);
1711             }
1712         }
1713
1714         text.Printf(m_format, val);
1715
1716     }
1717     //else: text already contains the string
1718
1719     return text;
1720 }
1721
1722 void wxGridCellFloatRenderer::Draw(wxGrid& grid,
1723                                    wxGridCellAttr& attr,
1724                                    wxDC& dc,
1725                                    const wxRect& rectCell,
1726                                    int row, int col,
1727                                    bool isSelected)
1728 {
1729     wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
1730
1731     SetTextColoursAndFont(grid, attr, dc, isSelected);
1732
1733     // draw the text right aligned by default
1734     int hAlign, vAlign;
1735     attr.GetAlignment(&hAlign, &vAlign);
1736     hAlign = wxALIGN_RIGHT;
1737
1738     wxRect rect = rectCell;
1739     rect.Inflate(-1);
1740
1741     grid.DrawTextRectangle(dc, GetString(grid, row, col), rect, hAlign, vAlign);
1742 }
1743
1744 wxSize wxGridCellFloatRenderer::GetBestSize(wxGrid& grid,
1745                                             wxGridCellAttr& attr,
1746                                             wxDC& dc,
1747                                             int row, int col)
1748 {
1749     return DoGetBestSize(attr, dc, GetString(grid, row, col));
1750 }
1751
1752 void wxGridCellFloatRenderer::SetParameters(const wxString& params)
1753 {
1754     if ( !params )
1755     {
1756         // reset to defaults
1757         SetWidth(-1);
1758         SetPrecision(-1);
1759     }
1760     else
1761     {
1762         wxString tmp = params.BeforeFirst(_T(','));
1763         if ( !!tmp )
1764         {
1765             long width;
1766             if ( tmp.ToLong(&width) )
1767             {
1768                 SetWidth((int)width);
1769             }
1770             else
1771             {
1772                 wxLogDebug(_T("Invalid wxGridCellFloatRenderer width parameter string '%s ignored"), params.c_str());
1773             }
1774
1775         }
1776                 tmp = params.AfterFirst(_T(','));
1777                 if ( !!tmp )
1778                 {
1779                     long precision;
1780             if ( tmp.ToLong(&precision) )
1781                     {
1782                 SetPrecision((int)precision);
1783                     }
1784                     else
1785                     {
1786                 wxLogDebug(_T("Invalid wxGridCellFloatRenderer precision parameter string '%s ignored"), params.c_str());
1787         }
1788
1789         }
1790     }
1791 }
1792
1793
1794 // ----------------------------------------------------------------------------
1795 // wxGridCellBoolRenderer
1796 // ----------------------------------------------------------------------------
1797
1798 wxSize wxGridCellBoolRenderer::ms_sizeCheckMark;
1799
1800 // FIXME these checkbox size calculations are really ugly...
1801
1802 // between checkmark and box
1803 static const wxCoord wxGRID_CHECKMARK_MARGIN = 2;
1804
1805 wxSize wxGridCellBoolRenderer::GetBestSize(wxGrid& grid,
1806                                            wxGridCellAttr& WXUNUSED(attr),
1807                                            wxDC& WXUNUSED(dc),
1808                                            int WXUNUSED(row),
1809                                            int WXUNUSED(col))
1810 {
1811     // compute it only once (no locks for MT safeness in GUI thread...)
1812     if ( !ms_sizeCheckMark.x )
1813     {
1814         // get checkbox size
1815         wxCoord checkSize = 0;
1816         wxCheckBox *checkbox = new wxCheckBox(&grid, -1, wxEmptyString);
1817         wxSize size = checkbox->GetBestSize();
1818         checkSize = size.y + 2*wxGRID_CHECKMARK_MARGIN;
1819
1820         // FIXME wxGTK::wxCheckBox::GetBestSize() gives "wrong" result
1821 #if defined(__WXGTK__) || defined(__WXMOTIF__)
1822         checkSize -= size.y / 2;
1823 #endif
1824
1825         delete checkbox;
1826
1827         ms_sizeCheckMark.x = ms_sizeCheckMark.y = checkSize;
1828     }
1829
1830     return ms_sizeCheckMark;
1831 }
1832
1833 void wxGridCellBoolRenderer::Draw(wxGrid& grid,
1834                                   wxGridCellAttr& attr,
1835                                   wxDC& dc,
1836                                   const wxRect& rect,
1837                                   int row, int col,
1838                                   bool isSelected)
1839 {
1840     wxGridCellRenderer::Draw(grid, attr, dc, rect, row, col, isSelected);
1841
1842     // draw a check mark in the centre (ignoring alignment - TODO)
1843     wxSize size = GetBestSize(grid, attr, dc, row, col);
1844
1845     // don't draw outside the cell
1846     wxCoord minSize = wxMin(rect.width, rect.height);
1847     if ( size.x >= minSize || size.y >= minSize )
1848     {
1849         // and even leave (at least) 1 pixel margin
1850         size.x = size.y = minSize - 2;
1851     }
1852
1853     // draw a border around checkmark
1854     wxRect rectBorder;
1855     rectBorder.x = rect.x + rect.width/2 - size.x/2;
1856     rectBorder.y = rect.y + rect.height/2 - size.y/2;
1857     rectBorder.width = size.x;
1858     rectBorder.height = size.y;
1859
1860     bool value;
1861     if ( grid.GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL) )
1862         value = grid.GetTable()->GetValueAsBool(row, col);
1863     else
1864     {
1865         wxString cellval( grid.GetTable()->GetValue(row, col) );
1866         value = !( !cellval || (cellval == wxT("0")) );
1867     }
1868
1869     if ( value )
1870     {
1871         wxRect rectMark = rectBorder;
1872 #ifdef __WXMSW__
1873         // MSW DrawCheckMark() is weird (and should probably be changed...)
1874         rectMark.Inflate(-wxGRID_CHECKMARK_MARGIN/2);
1875         rectMark.x++;
1876         rectMark.y++;
1877 #else // !MSW
1878         rectMark.Inflate(-wxGRID_CHECKMARK_MARGIN);
1879 #endif // MSW/!MSW
1880
1881         dc.SetTextForeground(attr.GetTextColour());
1882         dc.DrawCheckMark(rectMark);
1883     }
1884
1885     dc.SetBrush(*wxTRANSPARENT_BRUSH);
1886     dc.SetPen(wxPen(attr.GetTextColour(), 1, wxSOLID));
1887     dc.DrawRectangle(rectBorder);
1888 }
1889
1890 // ----------------------------------------------------------------------------
1891 // wxGridCellAttr
1892 // ----------------------------------------------------------------------------
1893
1894 void wxGridCellAttr::Init(wxGridCellAttr *attrDefault)
1895 {
1896     m_nRef = 1;
1897
1898     m_isReadOnly = Unset;
1899
1900     m_renderer = NULL;
1901     m_editor = NULL;
1902
1903     m_attrkind = wxGridCellAttr::Cell;
1904
1905     m_sizeRows = m_sizeCols = 1;
1906     m_overflow = TRUE;
1907
1908     SetDefAttr(attrDefault);
1909 }
1910
1911 wxGridCellAttr *wxGridCellAttr::Clone() const
1912 {
1913     wxGridCellAttr *attr = new wxGridCellAttr(m_defGridAttr);
1914
1915     if ( HasTextColour() )
1916         attr->SetTextColour(GetTextColour());
1917     if ( HasBackgroundColour() )
1918         attr->SetBackgroundColour(GetBackgroundColour());
1919     if ( HasFont() )
1920         attr->SetFont(GetFont());
1921     if ( HasAlignment() )
1922         attr->SetAlignment(m_hAlign, m_vAlign);
1923
1924     attr->SetSize( m_sizeRows, m_sizeCols );
1925
1926     if ( m_renderer )
1927     {
1928         attr->SetRenderer(m_renderer);
1929         m_renderer->IncRef();
1930     }
1931     if ( m_editor )
1932     {
1933         attr->SetEditor(m_editor);
1934         m_editor->IncRef();
1935     }
1936
1937     if ( IsReadOnly() )
1938         attr->SetReadOnly();
1939
1940     attr->SetKind( m_attrkind );
1941
1942     return attr;
1943 }
1944
1945 void wxGridCellAttr::MergeWith(wxGridCellAttr *mergefrom)
1946 {
1947     if ( !HasTextColour() && mergefrom->HasTextColour() )
1948         SetTextColour(mergefrom->GetTextColour());
1949     if ( !HasBackgroundColour() && mergefrom->HasBackgroundColour() )
1950         SetBackgroundColour(mergefrom->GetBackgroundColour());
1951     if ( !HasFont() && mergefrom->HasFont() )
1952         SetFont(mergefrom->GetFont());
1953     if ( !HasAlignment() && mergefrom->HasAlignment() ){
1954         int hAlign, vAlign;
1955         mergefrom->GetAlignment( &hAlign, &vAlign);
1956         SetAlignment(hAlign, vAlign);
1957     }
1958
1959     mergefrom->GetSize( &m_sizeRows, &m_sizeCols );
1960
1961     // Directly access member functions as GetRender/Editor don't just return
1962     // m_renderer/m_editor
1963     //
1964     // Maybe add support for merge of Render and Editor?
1965     if (!HasRenderer() && mergefrom->HasRenderer() )
1966     {
1967         m_renderer = mergefrom->m_renderer;
1968         m_renderer->IncRef();
1969     }
1970     if ( !HasEditor() && mergefrom->HasEditor() )
1971     {
1972         m_editor =  mergefrom->m_editor;
1973         m_editor->IncRef();
1974     }
1975     if ( !HasReadWriteMode()  && mergefrom->HasReadWriteMode() )
1976         SetReadOnly(mergefrom->IsReadOnly());
1977
1978     SetDefAttr(mergefrom->m_defGridAttr);
1979 }
1980
1981 void wxGridCellAttr::SetSize(int num_rows, int num_cols)
1982 {
1983     // The size of a cell is normally 1,1
1984
1985     // If this cell is larger (2,2) then this is the top left cell
1986     // the other cells that will be covered (lower right cells) must be
1987     // set to negative or zero values such that
1988     // row + num_rows of the covered cell points to the larger cell (this cell)
1989     // same goes for the col + num_cols.
1990
1991     // Size of 0,0 is NOT valid, neither is <=0 and any positive value
1992
1993     wxASSERT_MSG( (!((num_rows>0)&&(num_cols<=0)) ||
1994                   !((num_rows<=0)&&(num_cols>0)) ||
1995                   !((num_rows==0)&&(num_cols==0))),
1996                   wxT("wxGridCellAttr::SetSize only takes two postive values or negative/zero values"));
1997
1998     m_sizeRows = num_rows;
1999     m_sizeCols = num_cols;
2000 }
2001
2002 const wxColour& wxGridCellAttr::GetTextColour() const
2003 {
2004     if (HasTextColour())
2005     {
2006         return m_colText;
2007     }
2008     else if (m_defGridAttr && m_defGridAttr != this)
2009     {
2010         return m_defGridAttr->GetTextColour();
2011     }
2012     else
2013     {
2014         wxFAIL_MSG(wxT("Missing default cell attribute"));
2015         return wxNullColour;
2016     }
2017 }
2018
2019
2020 const wxColour& wxGridCellAttr::GetBackgroundColour() const
2021 {
2022     if (HasBackgroundColour())
2023         return m_colBack;
2024     else if (m_defGridAttr && m_defGridAttr != this)
2025         return m_defGridAttr->GetBackgroundColour();
2026     else
2027     {
2028         wxFAIL_MSG(wxT("Missing default cell attribute"));
2029         return wxNullColour;
2030     }
2031 }
2032
2033
2034 const wxFont& wxGridCellAttr::GetFont() const
2035 {
2036     if (HasFont())
2037         return m_font;
2038     else if (m_defGridAttr && m_defGridAttr != this)
2039         return m_defGridAttr->GetFont();
2040     else
2041     {
2042         wxFAIL_MSG(wxT("Missing default cell attribute"));
2043         return wxNullFont;
2044     }
2045 }
2046
2047
2048 void wxGridCellAttr::GetAlignment(int *hAlign, int *vAlign) const
2049 {
2050     if (HasAlignment())
2051     {
2052         if ( hAlign ) *hAlign = m_hAlign;
2053         if ( vAlign ) *vAlign = m_vAlign;
2054     }
2055     else if (m_defGridAttr && m_defGridAttr != this)
2056         m_defGridAttr->GetAlignment(hAlign, vAlign);
2057     else
2058     {
2059         wxFAIL_MSG(wxT("Missing default cell attribute"));
2060     }
2061 }
2062
2063 void wxGridCellAttr::GetSize( int *num_rows, int *num_cols ) const
2064 {
2065     if ( num_rows ) *num_rows = m_sizeRows;
2066     if ( num_cols ) *num_cols = m_sizeCols;
2067 }
2068
2069 // GetRenderer and GetEditor use a slightly different decision path about
2070 // which attribute to use.  If a non-default attr object has one then it is
2071 // used, otherwise the default editor or renderer is fetched from the grid and
2072 // used.  It should be the default for the data type of the cell.  If it is
2073 // NULL (because the table has a type that the grid does not have in its
2074 // registry,) then the grid's default editor or renderer is used.
2075
2076 wxGridCellRenderer* wxGridCellAttr::GetRenderer(wxGrid* grid, int row, int col) const
2077 {
2078     wxGridCellRenderer *renderer;
2079
2080     if ( m_renderer && this != m_defGridAttr )
2081     {
2082         // use the cells renderer if it has one
2083         renderer = m_renderer;
2084         renderer->IncRef();
2085     }
2086     else // no non default cell renderer
2087     {
2088         // get default renderer for the data type
2089         if ( grid )
2090         {
2091             // GetDefaultRendererForCell() will do IncRef() for us
2092             renderer = grid->GetDefaultRendererForCell(row, col);
2093         }
2094         else
2095         {
2096             renderer = NULL;
2097         }
2098
2099         if ( !renderer )
2100         {
2101             if (m_defGridAttr &&  this != m_defGridAttr )
2102             {
2103                 // if we still don't have one then use the grid default
2104                 // (no need for IncRef() here neither)
2105                 renderer = m_defGridAttr->GetRenderer(NULL, 0, 0);
2106             }
2107             else // default grid attr
2108             {
2109                 // use m_renderer which we had decided not to use initially
2110                 renderer = m_renderer;
2111                 if ( renderer )
2112                     renderer->IncRef();
2113             }
2114         }
2115     }
2116
2117     // we're supposed to always find something
2118     wxASSERT_MSG(renderer, wxT("Missing default cell renderer"));
2119
2120     return renderer;
2121 }
2122
2123 // same as above, except for s/renderer/editor/g
2124 wxGridCellEditor* wxGridCellAttr::GetEditor(wxGrid* grid, int row, int col) const
2125 {
2126     wxGridCellEditor *editor;
2127
2128     if ( m_editor && this != m_defGridAttr )
2129     {
2130         // use the cells editor if it has one
2131         editor = m_editor;
2132         editor->IncRef();
2133     }
2134     else // no non default cell editor
2135     {
2136         // get default editor for the data type
2137         if ( grid )
2138         {
2139             // GetDefaultEditorForCell() will do IncRef() for us
2140             editor = grid->GetDefaultEditorForCell(row, col);
2141         }
2142         else
2143         {
2144             editor = NULL;
2145         }
2146
2147         if ( !editor )
2148         {
2149             if ( m_defGridAttr && this != m_defGridAttr )
2150             {
2151                 // if we still don't have one then use the grid default
2152                 // (no need for IncRef() here neither)
2153                 editor = m_defGridAttr->GetEditor(NULL, 0, 0);
2154             }
2155             else // default grid attr
2156             {
2157                 // use m_editor which we had decided not to use initially
2158                 editor = m_editor;
2159                 if ( editor )
2160                     editor->IncRef();
2161             }
2162         }
2163     }
2164
2165     // we're supposed to always find something
2166     wxASSERT_MSG(editor, wxT("Missing default cell editor"));
2167
2168     return editor;
2169 }
2170
2171 // ----------------------------------------------------------------------------
2172 // wxGridCellAttrData
2173 // ----------------------------------------------------------------------------
2174
2175 void wxGridCellAttrData::SetAttr(wxGridCellAttr *attr, int row, int col)
2176 {
2177     int n = FindIndex(row, col);
2178     if ( n == wxNOT_FOUND )
2179     {
2180         // add the attribute
2181         m_attrs.Add(new wxGridCellWithAttr(row, col, attr));
2182     }
2183     else
2184     {
2185         // free the old attribute
2186         m_attrs[(size_t)n].attr->DecRef();
2187
2188         if ( attr )
2189         {
2190             // change the attribute
2191             m_attrs[(size_t)n].attr = attr;
2192         }
2193         else
2194         {
2195             // remove this attribute
2196             m_attrs.RemoveAt((size_t)n);
2197         }
2198     }
2199 }
2200
2201 wxGridCellAttr *wxGridCellAttrData::GetAttr(int row, int col) const
2202 {
2203     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
2204
2205     int n = FindIndex(row, col);
2206     if ( n != wxNOT_FOUND )
2207     {
2208         attr = m_attrs[(size_t)n].attr;
2209         attr->IncRef();
2210     }
2211
2212     return attr;
2213 }
2214
2215 void wxGridCellAttrData::UpdateAttrRows( size_t pos, int numRows )
2216 {
2217     size_t count = m_attrs.GetCount();
2218     for ( size_t n = 0; n < count; n++ )
2219     {
2220         wxGridCellCoords& coords = m_attrs[n].coords;
2221         wxCoord row = coords.GetRow();
2222         if ((size_t)row >= pos)
2223         {
2224             if (numRows > 0)
2225             {
2226                 // If rows inserted, include row counter where necessary
2227                 coords.SetRow(row + numRows);
2228             }
2229             else if (numRows < 0)
2230             {
2231                 // If rows deleted ...
2232                 if ((size_t)row >= pos - numRows)
2233                 {
2234                     // ...either decrement row counter (if row still exists)...
2235                     coords.SetRow(row + numRows);
2236                 }
2237                 else
2238                 {
2239                     // ...or remove the attribute
2240                     m_attrs.RemoveAt((size_t)n);
2241                     n--; count--;
2242                 }
2243             }
2244         }
2245     }
2246 }
2247
2248 void wxGridCellAttrData::UpdateAttrCols( size_t pos, int numCols )
2249 {
2250     size_t count = m_attrs.GetCount();
2251     for ( size_t n = 0; n < count; n++ )
2252     {
2253         wxGridCellCoords& coords = m_attrs[n].coords;
2254         wxCoord col = coords.GetCol();
2255         if ( (size_t)col >= pos )
2256         {
2257             if ( numCols > 0 )
2258             {
2259                 // If rows inserted, include row counter where necessary
2260                 coords.SetCol(col + numCols);
2261             }
2262             else if (numCols < 0)
2263             {
2264                 // If rows deleted ...
2265                 if ((size_t)col >= pos - numCols)
2266                 {
2267                     // ...either decrement row counter (if row still exists)...
2268                     coords.SetCol(col + numCols);
2269                 }
2270                 else
2271                 {
2272                     // ...or remove the attribute
2273                     m_attrs.RemoveAt((size_t)n);
2274                     n--; count--;
2275                 }
2276             }
2277         }
2278     }
2279 }
2280
2281 int wxGridCellAttrData::FindIndex(int row, int col) const
2282 {
2283     size_t count = m_attrs.GetCount();
2284     for ( size_t n = 0; n < count; n++ )
2285     {
2286         const wxGridCellCoords& coords = m_attrs[n].coords;
2287         if ( (coords.GetRow() == row) && (coords.GetCol() == col) )
2288         {
2289             return n;
2290         }
2291     }
2292
2293     return wxNOT_FOUND;
2294 }
2295
2296 // ----------------------------------------------------------------------------
2297 // wxGridRowOrColAttrData
2298 // ----------------------------------------------------------------------------
2299
2300 wxGridRowOrColAttrData::~wxGridRowOrColAttrData()
2301 {
2302     size_t count = m_attrs.Count();
2303     for ( size_t n = 0; n < count; n++ )
2304     {
2305         m_attrs[n]->DecRef();
2306     }
2307 }
2308
2309 wxGridCellAttr *wxGridRowOrColAttrData::GetAttr(int rowOrCol) const
2310 {
2311     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
2312
2313     int n = m_rowsOrCols.Index(rowOrCol);
2314     if ( n != wxNOT_FOUND )
2315     {
2316         attr = m_attrs[(size_t)n];
2317         attr->IncRef();
2318     }
2319
2320     return attr;
2321 }
2322
2323 void wxGridRowOrColAttrData::SetAttr(wxGridCellAttr *attr, int rowOrCol)
2324 {
2325     int i = m_rowsOrCols.Index(rowOrCol);
2326     if ( i == wxNOT_FOUND )
2327     {
2328         // add the attribute
2329         m_rowsOrCols.Add(rowOrCol);
2330         m_attrs.Add(attr);
2331     }
2332     else
2333     {
2334         size_t n = (size_t)i;
2335         if ( attr )
2336         {
2337             // change the attribute
2338             m_attrs[n]->DecRef();
2339             m_attrs[n] = attr;
2340         }
2341         else
2342         {
2343             // remove this attribute
2344             m_attrs[n]->DecRef();
2345             m_rowsOrCols.RemoveAt(n);
2346             m_attrs.RemoveAt(n);
2347         }
2348     }
2349 }
2350
2351 void wxGridRowOrColAttrData::UpdateAttrRowsOrCols( size_t pos, int numRowsOrCols )
2352 {
2353     size_t count = m_attrs.GetCount();
2354     for ( size_t n = 0; n < count; n++ )
2355     {
2356         int & rowOrCol = m_rowsOrCols[n];
2357         if ( (size_t)rowOrCol >= pos )
2358         {
2359             if ( numRowsOrCols > 0 )
2360             {
2361                 // If rows inserted, include row counter where necessary
2362                 rowOrCol += numRowsOrCols;
2363             }
2364             else if ( numRowsOrCols < 0)
2365             {
2366                 // If rows deleted, either decrement row counter (if row still exists)
2367                 if ((size_t)rowOrCol >= pos - numRowsOrCols)
2368                     rowOrCol += numRowsOrCols;
2369                 else
2370                 {
2371                     m_rowsOrCols.RemoveAt((size_t)n);
2372                     m_attrs.RemoveAt((size_t)n);
2373                     n--; count--;
2374                 }
2375             }
2376         }
2377     }
2378 }
2379
2380 // ----------------------------------------------------------------------------
2381 // wxGridCellAttrProvider
2382 // ----------------------------------------------------------------------------
2383
2384 wxGridCellAttrProvider::wxGridCellAttrProvider()
2385 {
2386     m_data = (wxGridCellAttrProviderData *)NULL;
2387 }
2388
2389 wxGridCellAttrProvider::~wxGridCellAttrProvider()
2390 {
2391     delete m_data;
2392 }
2393
2394 void wxGridCellAttrProvider::InitData()
2395 {
2396     m_data = new wxGridCellAttrProviderData;
2397 }
2398
2399 wxGridCellAttr *wxGridCellAttrProvider::GetAttr(int row, int col,
2400                                                 wxGridCellAttr::wxAttrKind  kind ) const
2401 {
2402     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
2403     if ( m_data )
2404     {
2405         switch(kind)
2406         {
2407             case (wxGridCellAttr::Any):
2408                 //Get cached merge attributes.
2409                 // Currenlty not used as no cache implemented as not mutiable
2410                 // attr = m_data->m_mergeAttr.GetAttr(row, col);
2411                 if(!attr)
2412                 {
2413                     //Basicaly implement old version.
2414                     //Also check merge cache, so we don't have to re-merge every time..
2415                     wxGridCellAttr *attrcell = (wxGridCellAttr *)NULL,
2416                                    *attrrow = (wxGridCellAttr *)NULL,
2417                                    *attrcol = (wxGridCellAttr *)NULL;
2418
2419                     attrcell = m_data->m_cellAttrs.GetAttr(row, col);
2420                     attrcol = m_data->m_colAttrs.GetAttr(col);
2421                     attrrow = m_data->m_rowAttrs.GetAttr(row);
2422
2423                     if((attrcell != attrrow) && (attrrow !=attrcol) && (attrcell != attrcol)){
2424                         // Two or move are non NULL
2425                         attr = new wxGridCellAttr;
2426                         attr->SetKind(wxGridCellAttr::Merged);
2427
2428                         //Order important..
2429                         if(attrcell){
2430                             attr->MergeWith(attrcell);
2431                             attrcell->DecRef();
2432                         }
2433                         if(attrcol){
2434                             attr->MergeWith(attrcol);
2435                             attrcol->DecRef();
2436                         }
2437                         if(attrrow){
2438                             attr->MergeWith(attrrow);
2439                             attrrow->DecRef();
2440                         }
2441                         //store merge attr if cache implemented
2442                         //attr->IncRef();
2443                         //m_data->m_mergeAttr.SetAttr(attr, row, col);
2444                     }
2445                     else
2446         {
2447                         // one or none is non null return it or null.
2448                         if(attrrow) attr = attrrow;
2449                         if(attrcol) attr = attrcol;
2450                         if(attrcell) attr = attrcell;
2451                     }
2452                 }
2453             break;
2454             case (wxGridCellAttr::Cell):
2455                 attr = m_data->m_cellAttrs.GetAttr(row, col);
2456             break;
2457             case (wxGridCellAttr::Col):
2458                  attr = m_data->m_colAttrs.GetAttr(col);
2459             break;
2460             case (wxGridCellAttr::Row):
2461             attr = m_data->m_rowAttrs.GetAttr(row);
2462             break;
2463             default:
2464                 // unused as yet...
2465                 // (wxGridCellAttr::Default):
2466                 // (wxGridCellAttr::Merged):
2467             break;
2468         }
2469     }
2470     return attr;
2471 }
2472
2473 void wxGridCellAttrProvider::SetAttr(wxGridCellAttr *attr,
2474                                      int row, int col)
2475 {
2476     if ( !m_data )
2477         InitData();
2478
2479     m_data->m_cellAttrs.SetAttr(attr, row, col);
2480 }
2481
2482 void wxGridCellAttrProvider::SetRowAttr(wxGridCellAttr *attr, int row)
2483 {
2484     if ( !m_data )
2485         InitData();
2486
2487     m_data->m_rowAttrs.SetAttr(attr, row);
2488 }
2489
2490 void wxGridCellAttrProvider::SetColAttr(wxGridCellAttr *attr, int col)
2491 {
2492     if ( !m_data )
2493         InitData();
2494
2495     m_data->m_colAttrs.SetAttr(attr, col);
2496 }
2497
2498 void wxGridCellAttrProvider::UpdateAttrRows( size_t pos, int numRows )
2499 {
2500     if ( m_data )
2501     {
2502         m_data->m_cellAttrs.UpdateAttrRows( pos, numRows );
2503
2504         m_data->m_rowAttrs.UpdateAttrRowsOrCols( pos, numRows );
2505     }
2506 }
2507
2508 void wxGridCellAttrProvider::UpdateAttrCols( size_t pos, int numCols )
2509 {
2510     if ( m_data )
2511     {
2512         m_data->m_cellAttrs.UpdateAttrCols( pos, numCols );
2513
2514         m_data->m_colAttrs.UpdateAttrRowsOrCols( pos, numCols );
2515     }
2516 }
2517
2518 // ----------------------------------------------------------------------------
2519 // wxGridTypeRegistry
2520 // ----------------------------------------------------------------------------
2521
2522 wxGridTypeRegistry::~wxGridTypeRegistry()
2523 {
2524     size_t count = m_typeinfo.Count();
2525     for ( size_t i = 0; i < count; i++ )
2526         delete m_typeinfo[i];
2527 }
2528
2529
2530 void wxGridTypeRegistry::RegisterDataType(const wxString& typeName,
2531                                           wxGridCellRenderer* renderer,
2532                                           wxGridCellEditor* editor)
2533 {
2534     wxGridDataTypeInfo* info = new wxGridDataTypeInfo(typeName, renderer, editor);
2535
2536     // is it already registered?
2537     int loc = FindRegisteredDataType(typeName);
2538     if ( loc != wxNOT_FOUND )
2539     {
2540         delete m_typeinfo[loc];
2541         m_typeinfo[loc] = info;
2542     }
2543     else
2544     {
2545         m_typeinfo.Add(info);
2546     }
2547 }
2548
2549 int wxGridTypeRegistry::FindRegisteredDataType(const wxString& typeName)
2550 {
2551     size_t count = m_typeinfo.GetCount();
2552     for ( size_t i = 0; i < count; i++ )
2553     {
2554         if ( typeName == m_typeinfo[i]->m_typeName )
2555         {
2556             return i;
2557         }
2558     }
2559
2560     return wxNOT_FOUND;
2561 }
2562
2563 int wxGridTypeRegistry::FindDataType(const wxString& typeName)
2564 {
2565     int index = FindRegisteredDataType(typeName);
2566     if ( index == wxNOT_FOUND )
2567     {
2568         // check whether this is one of the standard ones, in which case
2569         // register it "on the fly"
2570 #if wxUSE_TEXTCTRL
2571         if ( typeName == wxGRID_VALUE_STRING )
2572         {
2573             RegisterDataType(wxGRID_VALUE_STRING,
2574                              new wxGridCellStringRenderer,
2575                              new wxGridCellTextEditor);
2576         } else
2577 #endif // wxUSE_TEXTCTRL
2578 #if wxUSE_CHECKBOX
2579         if ( typeName == wxGRID_VALUE_BOOL )
2580         {
2581             RegisterDataType(wxGRID_VALUE_BOOL,
2582                              new wxGridCellBoolRenderer,
2583                              new wxGridCellBoolEditor);
2584         } else
2585 #endif // wxUSE_CHECKBOX
2586 #if wxUSE_TEXTCTRL
2587         if ( typeName == wxGRID_VALUE_NUMBER )
2588         {
2589             RegisterDataType(wxGRID_VALUE_NUMBER,
2590                              new wxGridCellNumberRenderer,
2591                              new wxGridCellNumberEditor);
2592         }
2593         else if ( typeName == wxGRID_VALUE_FLOAT )
2594         {
2595             RegisterDataType(wxGRID_VALUE_FLOAT,
2596                              new wxGridCellFloatRenderer,
2597                              new wxGridCellFloatEditor);
2598         } else
2599 #endif // wxUSE_TEXTCTRL
2600 #if wxUSE_COMBOBOX
2601         if ( typeName == wxGRID_VALUE_CHOICE )
2602         {
2603             RegisterDataType(wxGRID_VALUE_CHOICE,
2604                              new wxGridCellStringRenderer,
2605                              new wxGridCellChoiceEditor);
2606         } else
2607 #endif // wxUSE_COMBOBOX
2608         {
2609             return wxNOT_FOUND;
2610         }
2611
2612         // we get here only if just added the entry for this type, so return
2613         // the last index
2614         index = m_typeinfo.GetCount() - 1;
2615     }
2616
2617     return index;
2618 }
2619
2620 int wxGridTypeRegistry::FindOrCloneDataType(const wxString& typeName)
2621 {
2622     int index = FindDataType(typeName);
2623     if ( index == wxNOT_FOUND )
2624     {
2625         // the first part of the typename is the "real" type, anything after ':'
2626         // are the parameters for the renderer
2627         index = FindDataType(typeName.BeforeFirst(_T(':')));
2628         if ( index == wxNOT_FOUND )
2629         {
2630             return wxNOT_FOUND;
2631         }
2632
2633         wxGridCellRenderer *renderer = GetRenderer(index);
2634         wxGridCellRenderer *rendererOld = renderer;
2635         renderer = renderer->Clone();
2636         rendererOld->DecRef();
2637
2638         wxGridCellEditor *editor = GetEditor(index);
2639         wxGridCellEditor *editorOld = editor;
2640         editor = editor->Clone();
2641         editorOld->DecRef();
2642
2643         // do it even if there are no parameters to reset them to defaults
2644         wxString params = typeName.AfterFirst(_T(':'));
2645         renderer->SetParameters(params);
2646         editor->SetParameters(params);
2647
2648         // register the new typename
2649         RegisterDataType(typeName, renderer, editor);
2650
2651         // we just registered it, it's the last one
2652         index = m_typeinfo.GetCount() - 1;
2653     }
2654
2655     return index;
2656 }
2657
2658 wxGridCellRenderer* wxGridTypeRegistry::GetRenderer(int index)
2659 {
2660     wxGridCellRenderer* renderer = m_typeinfo[index]->m_renderer;
2661     if (renderer)
2662         renderer->IncRef();
2663     return renderer;
2664 }
2665
2666 wxGridCellEditor* wxGridTypeRegistry::GetEditor(int index)
2667 {
2668     wxGridCellEditor* editor = m_typeinfo[index]->m_editor;
2669     if (editor)
2670         editor->IncRef();
2671     return editor;
2672 }
2673
2674 // ----------------------------------------------------------------------------
2675 // wxGridTableBase
2676 // ----------------------------------------------------------------------------
2677
2678 IMPLEMENT_ABSTRACT_CLASS( wxGridTableBase, wxObject )
2679
2680
2681 wxGridTableBase::wxGridTableBase()
2682 {
2683     m_view = (wxGrid *) NULL;
2684     m_attrProvider = (wxGridCellAttrProvider *) NULL;
2685 }
2686
2687 wxGridTableBase::~wxGridTableBase()
2688 {
2689     delete m_attrProvider;
2690 }
2691
2692 void wxGridTableBase::SetAttrProvider(wxGridCellAttrProvider *attrProvider)
2693 {
2694     delete m_attrProvider;
2695     m_attrProvider = attrProvider;
2696 }
2697
2698 bool wxGridTableBase::CanHaveAttributes()
2699 {
2700     if ( ! GetAttrProvider() )
2701     {
2702         // use the default attr provider by default
2703         SetAttrProvider(new wxGridCellAttrProvider);
2704     }
2705     return TRUE;
2706 }
2707
2708 wxGridCellAttr *wxGridTableBase::GetAttr(int row, int col, wxGridCellAttr::wxAttrKind  kind)
2709 {
2710     if ( m_attrProvider )
2711         return m_attrProvider->GetAttr(row, col, kind);
2712     else
2713         return (wxGridCellAttr *)NULL;
2714 }
2715
2716 void wxGridTableBase::SetAttr(wxGridCellAttr* attr, int row, int col)
2717 {
2718     if ( m_attrProvider )
2719     {
2720         attr->SetKind(wxGridCellAttr::Cell);
2721         m_attrProvider->SetAttr(attr, row, col);
2722     }
2723     else
2724     {
2725         // as we take ownership of the pointer and don't store it, we must
2726         // free it now
2727         wxSafeDecRef(attr);
2728     }
2729 }
2730
2731 void wxGridTableBase::SetRowAttr(wxGridCellAttr *attr, int row)
2732 {
2733     if ( m_attrProvider )
2734     {
2735         attr->SetKind(wxGridCellAttr::Row);
2736         m_attrProvider->SetRowAttr(attr, row);
2737     }
2738     else
2739     {
2740         // as we take ownership of the pointer and don't store it, we must
2741         // free it now
2742         wxSafeDecRef(attr);
2743     }
2744 }
2745
2746 void wxGridTableBase::SetColAttr(wxGridCellAttr *attr, int col)
2747 {
2748     if ( m_attrProvider )
2749     {
2750         attr->SetKind(wxGridCellAttr::Col);
2751         m_attrProvider->SetColAttr(attr, col);
2752     }
2753     else
2754     {
2755         // as we take ownership of the pointer and don't store it, we must
2756         // free it now
2757         wxSafeDecRef(attr);
2758     }
2759 }
2760
2761 bool wxGridTableBase::InsertRows( size_t WXUNUSED(pos),
2762                                   size_t WXUNUSED(numRows) )
2763 {
2764     wxFAIL_MSG( wxT("Called grid table class function InsertRows\nbut your derived table class does not override this function") );
2765
2766     return FALSE;
2767 }
2768
2769 bool wxGridTableBase::AppendRows( size_t WXUNUSED(numRows) )
2770 {
2771     wxFAIL_MSG( wxT("Called grid table class function AppendRows\nbut your derived table class does not override this function"));
2772
2773     return FALSE;
2774 }
2775
2776 bool wxGridTableBase::DeleteRows( size_t WXUNUSED(pos),
2777                                   size_t WXUNUSED(numRows) )
2778 {
2779     wxFAIL_MSG( wxT("Called grid table class function DeleteRows\nbut your derived table class does not override this function"));
2780
2781     return FALSE;
2782 }
2783
2784 bool wxGridTableBase::InsertCols( size_t WXUNUSED(pos),
2785                                   size_t WXUNUSED(numCols) )
2786 {
2787     wxFAIL_MSG( wxT("Called grid table class function InsertCols\nbut your derived table class does not override this function"));
2788
2789     return FALSE;
2790 }
2791
2792 bool wxGridTableBase::AppendCols( size_t WXUNUSED(numCols) )
2793 {
2794     wxFAIL_MSG(wxT("Called grid table class function AppendCols\nbut your derived table class does not override this function"));
2795
2796     return FALSE;
2797 }
2798
2799 bool wxGridTableBase::DeleteCols( size_t WXUNUSED(pos),
2800                                   size_t WXUNUSED(numCols) )
2801 {
2802     wxFAIL_MSG( wxT("Called grid table class function DeleteCols\nbut your derived table class does not override this function"));
2803
2804     return FALSE;
2805 }
2806
2807
2808 wxString wxGridTableBase::GetRowLabelValue( int row )
2809 {
2810     wxString s;
2811     s << row + 1; // RD: Starting the rows at zero confuses users, no matter
2812                   //     how much it makes sense to us geeks.
2813     return s;
2814 }
2815
2816 wxString wxGridTableBase::GetColLabelValue( int col )
2817 {
2818     // default col labels are:
2819     //   cols 0 to 25   : A-Z
2820     //   cols 26 to 675 : AA-ZZ
2821     //   etc.
2822
2823     wxString s;
2824     unsigned int i, n;
2825     for ( n = 1; ; n++ )
2826     {
2827         s += (_T('A') + (wxChar)( col%26 ));
2828         col = col/26 - 1;
2829         if ( col < 0 ) break;
2830     }
2831
2832     // reverse the string...
2833     wxString s2;
2834     for ( i = 0;  i < n;  i++ )
2835     {
2836         s2 += s[n-i-1];
2837     }
2838
2839     return s2;
2840 }
2841
2842
2843 wxString wxGridTableBase::GetTypeName( int WXUNUSED(row), int WXUNUSED(col) )
2844 {
2845     return wxGRID_VALUE_STRING;
2846 }
2847
2848 bool wxGridTableBase::CanGetValueAs( int WXUNUSED(row), int WXUNUSED(col),
2849                                      const wxString& typeName )
2850 {
2851     return typeName == wxGRID_VALUE_STRING;
2852 }
2853
2854 bool wxGridTableBase::CanSetValueAs( int row, int col, const wxString& typeName )
2855 {
2856     return CanGetValueAs(row, col, typeName);
2857 }
2858
2859 long wxGridTableBase::GetValueAsLong( int WXUNUSED(row), int WXUNUSED(col) )
2860 {
2861     return 0;
2862 }
2863
2864 double wxGridTableBase::GetValueAsDouble( int WXUNUSED(row), int WXUNUSED(col) )
2865 {
2866     return 0.0;
2867 }
2868
2869 bool wxGridTableBase::GetValueAsBool( int WXUNUSED(row), int WXUNUSED(col) )
2870 {
2871     return FALSE;
2872 }
2873
2874 void wxGridTableBase::SetValueAsLong( int WXUNUSED(row), int WXUNUSED(col),
2875                                       long WXUNUSED(value) )
2876 {
2877 }
2878
2879 void wxGridTableBase::SetValueAsDouble( int WXUNUSED(row), int WXUNUSED(col),
2880                                         double WXUNUSED(value) )
2881 {
2882 }
2883
2884 void wxGridTableBase::SetValueAsBool( int WXUNUSED(row), int WXUNUSED(col),
2885                                       bool WXUNUSED(value) )
2886 {
2887 }
2888
2889
2890 void* wxGridTableBase::GetValueAsCustom( int WXUNUSED(row), int WXUNUSED(col),
2891                                          const wxString& WXUNUSED(typeName) )
2892 {
2893     return NULL;
2894 }
2895
2896 void  wxGridTableBase::SetValueAsCustom( int WXUNUSED(row), int WXUNUSED(col),
2897                                          const wxString& WXUNUSED(typeName),
2898                                          void* WXUNUSED(value) )
2899 {
2900 }
2901
2902 //////////////////////////////////////////////////////////////////////
2903 //
2904 // Message class for the grid table to send requests and notifications
2905 // to the grid view
2906 //
2907
2908 wxGridTableMessage::wxGridTableMessage()
2909 {
2910     m_table = (wxGridTableBase *) NULL;
2911     m_id = -1;
2912     m_comInt1 = -1;
2913     m_comInt2 = -1;
2914 }
2915
2916 wxGridTableMessage::wxGridTableMessage( wxGridTableBase *table, int id,
2917                                         int commandInt1, int commandInt2 )
2918 {
2919     m_table = table;
2920     m_id = id;
2921     m_comInt1 = commandInt1;
2922     m_comInt2 = commandInt2;
2923 }
2924
2925
2926
2927 //////////////////////////////////////////////////////////////////////
2928 //
2929 // A basic grid table for string data. An object of this class will
2930 // created by wxGrid if you don't specify an alternative table class.
2931 //
2932
2933 WX_DEFINE_OBJARRAY(wxGridStringArray)
2934
2935 IMPLEMENT_DYNAMIC_CLASS( wxGridStringTable, wxGridTableBase )
2936
2937 wxGridStringTable::wxGridStringTable()
2938         : wxGridTableBase()
2939 {
2940 }
2941
2942 wxGridStringTable::wxGridStringTable( int numRows, int numCols )
2943         : wxGridTableBase()
2944 {
2945     m_data.Alloc( numRows );
2946
2947     wxArrayString sa;
2948     sa.Alloc( numCols );
2949     sa.Add( wxEmptyString, numCols );
2950
2951     m_data.Add( sa, numRows );
2952 }
2953
2954 wxGridStringTable::~wxGridStringTable()
2955 {
2956 }
2957
2958 int wxGridStringTable::GetNumberRows()
2959 {
2960     return m_data.GetCount();
2961 }
2962
2963 int wxGridStringTable::GetNumberCols()
2964 {
2965     if ( m_data.GetCount() > 0 )
2966         return m_data[0].GetCount();
2967     else
2968         return 0;
2969 }
2970
2971 wxString wxGridStringTable::GetValue( int row, int col )
2972 {
2973     wxASSERT_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),
2974                   _T("invalid row or column index in wxGridStringTable") );
2975
2976     return m_data[row][col];
2977 }
2978
2979 void wxGridStringTable::SetValue( int row, int col, const wxString& value )
2980 {
2981     wxASSERT_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),
2982                   _T("invalid row or column index in wxGridStringTable") );
2983
2984     m_data[row][col] = value;
2985 }
2986
2987 bool wxGridStringTable::IsEmptyCell( int row, int col )
2988 {
2989     wxASSERT_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),
2990                   _T("invalid row or column index in wxGridStringTable") );
2991
2992     return (m_data[row][col] == wxEmptyString);
2993 }
2994
2995 void wxGridStringTable::Clear()
2996 {
2997     int row, col;
2998     int numRows, numCols;
2999
3000     numRows = m_data.GetCount();
3001     if ( numRows > 0 )
3002     {
3003         numCols = m_data[0].GetCount();
3004
3005         for ( row = 0;  row < numRows;  row++ )
3006         {
3007             for ( col = 0;  col < numCols;  col++ )
3008             {
3009                 m_data[row][col] = wxEmptyString;
3010             }
3011         }
3012     }
3013 }
3014
3015
3016 bool wxGridStringTable::InsertRows( size_t pos, size_t numRows )
3017 {
3018     size_t curNumRows = m_data.GetCount();
3019     size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
3020                           ( GetView() ? GetView()->GetNumberCols() : 0 ) );
3021
3022     if ( pos >= curNumRows )
3023     {
3024         return AppendRows( numRows );
3025     }
3026
3027     wxArrayString sa;
3028     sa.Alloc( curNumCols );
3029     sa.Add( wxEmptyString, curNumCols );
3030     m_data.Insert( sa, pos, numRows );
3031     if ( GetView() )
3032     {
3033         wxGridTableMessage msg( this,
3034                                 wxGRIDTABLE_NOTIFY_ROWS_INSERTED,
3035                                 pos,
3036                                 numRows );
3037
3038         GetView()->ProcessTableMessage( msg );
3039     }
3040
3041     return TRUE;
3042 }
3043
3044 bool wxGridStringTable::AppendRows( size_t numRows )
3045 {
3046     size_t curNumRows = m_data.GetCount();
3047     size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
3048                           ( GetView() ? GetView()->GetNumberCols() : 0 ) );
3049
3050     wxArrayString sa;
3051     if ( curNumCols > 0 )
3052     {
3053         sa.Alloc( curNumCols );
3054         sa.Add( wxEmptyString, curNumCols );
3055     }
3056
3057     m_data.Add( sa, numRows );
3058
3059     if ( GetView() )
3060     {
3061         wxGridTableMessage msg( this,
3062                                 wxGRIDTABLE_NOTIFY_ROWS_APPENDED,
3063                                 numRows );
3064
3065         GetView()->ProcessTableMessage( msg );
3066     }
3067
3068     return TRUE;
3069 }
3070
3071 bool wxGridStringTable::DeleteRows( size_t pos, size_t numRows )
3072 {
3073     size_t curNumRows = m_data.GetCount();
3074
3075     if ( pos >= curNumRows )
3076     {
3077         wxFAIL_MSG( wxString::Format
3078                     (
3079                         wxT("Called wxGridStringTable::DeleteRows(pos=%lu, N=%lu)\nPos value is invalid for present table with %lu rows"),
3080                         (unsigned long)pos,
3081                         (unsigned long)numRows,
3082                         (unsigned long)curNumRows
3083                     ) );
3084
3085         return FALSE;
3086     }
3087
3088     if ( numRows > curNumRows - pos )
3089     {
3090         numRows = curNumRows - pos;
3091     }
3092
3093     if ( numRows >= curNumRows )
3094     {
3095         m_data.Clear();  // don't release memory just yet
3096     }
3097     else
3098     {
3099         m_data.RemoveAt( pos, numRows );
3100     }
3101     if ( GetView() )
3102     {
3103         wxGridTableMessage msg( this,
3104                                 wxGRIDTABLE_NOTIFY_ROWS_DELETED,
3105                                 pos,
3106                                 numRows );
3107
3108         GetView()->ProcessTableMessage( msg );
3109     }
3110
3111     return TRUE;
3112 }
3113
3114 bool wxGridStringTable::InsertCols( size_t pos, size_t numCols )
3115 {
3116     size_t row, col;
3117
3118     size_t curNumRows = m_data.GetCount();
3119     size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
3120                           ( GetView() ? GetView()->GetNumberCols() : 0 ) );
3121
3122     if ( pos >= curNumCols )
3123     {
3124         return AppendCols( numCols );
3125     }
3126
3127     for ( row = 0;  row < curNumRows;  row++ )
3128     {
3129         for ( col = pos;  col < pos + numCols;  col++ )
3130         {
3131             m_data[row].Insert( wxEmptyString, col );
3132         }
3133     }
3134     if ( GetView() )
3135     {
3136         wxGridTableMessage msg( this,
3137                                 wxGRIDTABLE_NOTIFY_COLS_INSERTED,
3138                                 pos,
3139                                 numCols );
3140
3141         GetView()->ProcessTableMessage( msg );
3142     }
3143
3144     return TRUE;
3145 }
3146
3147 bool wxGridStringTable::AppendCols( size_t numCols )
3148 {
3149     size_t row;
3150
3151     size_t curNumRows = m_data.GetCount();
3152 #if 0
3153     if ( !curNumRows )
3154     {
3155         // TODO: something better than this ?
3156         //
3157         wxFAIL_MSG( wxT("Unable to append cols to a grid table with no rows.\nCall AppendRows() first") );
3158         return FALSE;
3159     }
3160 #endif
3161
3162     for ( row = 0;  row < curNumRows;  row++ )
3163     {
3164         m_data[row].Add( wxEmptyString, numCols );
3165     }
3166
3167     if ( GetView() )
3168     {
3169         wxGridTableMessage msg( this,
3170                                 wxGRIDTABLE_NOTIFY_COLS_APPENDED,
3171                                 numCols );
3172
3173         GetView()->ProcessTableMessage( msg );
3174     }
3175
3176     return TRUE;
3177 }
3178
3179 bool wxGridStringTable::DeleteCols( size_t pos, size_t numCols )
3180 {
3181     size_t row;
3182
3183     size_t curNumRows = m_data.GetCount();
3184     size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
3185                           ( GetView() ? GetView()->GetNumberCols() : 0 ) );
3186
3187     if ( pos >= curNumCols )
3188     {
3189         wxFAIL_MSG( wxString::Format
3190                     (
3191                         wxT("Called wxGridStringTable::DeleteCols(pos=%lu, N=%lu)\nPos value is invalid for present table with %lu cols"),
3192                         (unsigned long)pos,
3193                         (unsigned long)numCols,
3194                         (unsigned long)curNumCols
3195                     ) );
3196         return FALSE;
3197     }
3198
3199     if ( numCols > curNumCols - pos )
3200     {
3201         numCols = curNumCols - pos;
3202     }
3203
3204     for ( row = 0;  row < curNumRows;  row++ )
3205     {
3206         if ( numCols >= curNumCols )
3207         {
3208             m_data[row].Clear();
3209         }
3210         else
3211         {
3212             m_data[row].RemoveAt( pos, numCols );
3213         }
3214     }
3215     if ( GetView() )
3216     {
3217         wxGridTableMessage msg( this,
3218                                 wxGRIDTABLE_NOTIFY_COLS_DELETED,
3219                                 pos,
3220                                 numCols );
3221
3222         GetView()->ProcessTableMessage( msg );
3223     }
3224
3225     return TRUE;
3226 }
3227
3228 wxString wxGridStringTable::GetRowLabelValue( int row )
3229 {
3230     if ( row > (int)(m_rowLabels.GetCount()) - 1 )
3231     {
3232         // using default label
3233         //
3234         return wxGridTableBase::GetRowLabelValue( row );
3235     }
3236     else
3237     {
3238         return m_rowLabels[ row ];
3239     }
3240 }
3241
3242 wxString wxGridStringTable::GetColLabelValue( int col )
3243 {
3244     if ( col > (int)(m_colLabels.GetCount()) - 1 )
3245     {
3246         // using default label
3247         //
3248         return wxGridTableBase::GetColLabelValue( col );
3249     }
3250     else
3251     {
3252         return m_colLabels[ col ];
3253     }
3254 }
3255
3256 void wxGridStringTable::SetRowLabelValue( int row, const wxString& value )
3257 {
3258     if ( row > (int)(m_rowLabels.GetCount()) - 1 )
3259     {
3260         int n = m_rowLabels.GetCount();
3261         int i;
3262         for ( i = n;  i <= row;  i++ )
3263         {
3264             m_rowLabels.Add( wxGridTableBase::GetRowLabelValue(i) );
3265         }
3266     }
3267
3268     m_rowLabels[row] = value;
3269 }
3270
3271 void wxGridStringTable::SetColLabelValue( int col, const wxString& value )
3272 {
3273     if ( col > (int)(m_colLabels.GetCount()) - 1 )
3274     {
3275         int n = m_colLabels.GetCount();
3276         int i;
3277         for ( i = n;  i <= col;  i++ )
3278         {
3279             m_colLabels.Add( wxGridTableBase::GetColLabelValue(i) );
3280         }
3281     }
3282
3283     m_colLabels[col] = value;
3284 }
3285
3286
3287
3288 //////////////////////////////////////////////////////////////////////
3289 //////////////////////////////////////////////////////////////////////
3290
3291 IMPLEMENT_DYNAMIC_CLASS( wxGridRowLabelWindow, wxWindow )
3292
3293 BEGIN_EVENT_TABLE( wxGridRowLabelWindow, wxWindow )
3294     EVT_PAINT( wxGridRowLabelWindow::OnPaint )
3295     EVT_MOUSEWHEEL( wxGridRowLabelWindow::OnMouseWheel)
3296     EVT_MOUSE_EVENTS( wxGridRowLabelWindow::OnMouseEvent )
3297     EVT_KEY_DOWN( wxGridRowLabelWindow::OnKeyDown )
3298     EVT_KEY_UP( wxGridRowLabelWindow::OnKeyUp )
3299 END_EVENT_TABLE()
3300
3301 wxGridRowLabelWindow::wxGridRowLabelWindow( wxGrid *parent,
3302                                             wxWindowID id,
3303                                             const wxPoint &pos, const wxSize &size )
3304   : wxWindow( parent, id, pos, size, wxWANTS_CHARS )
3305 {
3306     m_owner = parent;
3307 }
3308
3309 void wxGridRowLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
3310 {
3311     wxPaintDC dc(this);
3312
3313     // NO - don't do this because it will set both the x and y origin
3314     // coords to match the parent scrolled window and we just want to
3315     // set the y coord  - MB
3316     //
3317     // m_owner->PrepareDC( dc );
3318
3319     int x, y;
3320     m_owner->CalcUnscrolledPosition( 0, 0, &x, &y );
3321     dc.SetDeviceOrigin( 0, -y );
3322
3323     wxArrayInt rows = m_owner->CalcRowLabelsExposed( GetUpdateRegion() );
3324     m_owner->DrawRowLabels( dc , rows );
3325 }
3326
3327
3328 void wxGridRowLabelWindow::OnMouseEvent( wxMouseEvent& event )
3329 {
3330     m_owner->ProcessRowLabelMouseEvent( event );
3331 }
3332
3333
3334 void wxGridRowLabelWindow::OnMouseWheel( wxMouseEvent& event )
3335 {
3336     m_owner->GetEventHandler()->ProcessEvent(event);
3337 }
3338
3339
3340 // This seems to be required for wxMotif otherwise the mouse
3341 // cursor must be in the cell edit control to get key events
3342 //
3343 void wxGridRowLabelWindow::OnKeyDown( wxKeyEvent& event )
3344 {
3345     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3346 }
3347
3348 void wxGridRowLabelWindow::OnKeyUp( wxKeyEvent& event )
3349 {
3350     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3351 }
3352
3353
3354
3355 //////////////////////////////////////////////////////////////////////
3356
3357 IMPLEMENT_DYNAMIC_CLASS( wxGridColLabelWindow, wxWindow )
3358
3359 BEGIN_EVENT_TABLE( wxGridColLabelWindow, wxWindow )
3360     EVT_PAINT( wxGridColLabelWindow::OnPaint )
3361     EVT_MOUSEWHEEL( wxGridColLabelWindow::OnMouseWheel)
3362     EVT_MOUSE_EVENTS( wxGridColLabelWindow::OnMouseEvent )
3363     EVT_KEY_DOWN( wxGridColLabelWindow::OnKeyDown )
3364     EVT_KEY_UP( wxGridColLabelWindow::OnKeyUp )
3365 END_EVENT_TABLE()
3366
3367 wxGridColLabelWindow::wxGridColLabelWindow( wxGrid *parent,
3368                                             wxWindowID id,
3369                                             const wxPoint &pos, const wxSize &size )
3370   : wxWindow( parent, id, pos, size, wxWANTS_CHARS )
3371 {
3372     m_owner = parent;
3373 }
3374
3375 void wxGridColLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
3376 {
3377     wxPaintDC dc(this);
3378
3379     // NO - don't do this because it will set both the x and y origin
3380     // coords to match the parent scrolled window and we just want to
3381     // set the x coord  - MB
3382     //
3383     // m_owner->PrepareDC( dc );
3384
3385     int x, y;
3386     m_owner->CalcUnscrolledPosition( 0, 0, &x, &y );
3387     dc.SetDeviceOrigin( -x, 0 );
3388
3389     wxArrayInt cols = m_owner->CalcColLabelsExposed( GetUpdateRegion() );
3390     m_owner->DrawColLabels( dc , cols );
3391 }
3392
3393
3394 void wxGridColLabelWindow::OnMouseEvent( wxMouseEvent& event )
3395 {
3396     m_owner->ProcessColLabelMouseEvent( event );
3397 }
3398
3399 void wxGridColLabelWindow::OnMouseWheel( wxMouseEvent& event )
3400 {
3401     m_owner->GetEventHandler()->ProcessEvent(event);
3402 }
3403
3404
3405 // This seems to be required for wxMotif otherwise the mouse
3406 // cursor must be in the cell edit control to get key events
3407 //
3408 void wxGridColLabelWindow::OnKeyDown( wxKeyEvent& event )
3409 {
3410     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3411 }
3412
3413 void wxGridColLabelWindow::OnKeyUp( wxKeyEvent& event )
3414 {
3415     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3416 }
3417
3418
3419
3420 //////////////////////////////////////////////////////////////////////
3421
3422 IMPLEMENT_DYNAMIC_CLASS( wxGridCornerLabelWindow, wxWindow )
3423
3424 BEGIN_EVENT_TABLE( wxGridCornerLabelWindow, wxWindow )
3425     EVT_MOUSEWHEEL( wxGridCornerLabelWindow::OnMouseWheel)
3426     EVT_MOUSE_EVENTS( wxGridCornerLabelWindow::OnMouseEvent )
3427     EVT_PAINT( wxGridCornerLabelWindow::OnPaint)
3428     EVT_KEY_DOWN( wxGridCornerLabelWindow::OnKeyDown )
3429     EVT_KEY_UP( wxGridCornerLabelWindow::OnKeyUp )
3430 END_EVENT_TABLE()
3431
3432 wxGridCornerLabelWindow::wxGridCornerLabelWindow( wxGrid *parent,
3433                                                   wxWindowID id,
3434                                                   const wxPoint &pos, const wxSize &size )
3435   : wxWindow( parent, id, pos, size, wxWANTS_CHARS )
3436 {
3437     m_owner = parent;
3438 }
3439
3440 void wxGridCornerLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
3441 {
3442     wxPaintDC dc(this);
3443
3444     int client_height = 0;
3445     int client_width = 0;
3446     GetClientSize( &client_width, &client_height );
3447
3448     dc.SetPen( *wxBLACK_PEN );
3449     dc.DrawLine( client_width-1, client_height-1, client_width-1, 0 );
3450     dc.DrawLine( client_width-1, client_height-1, 0, client_height-1 );
3451
3452     dc.SetPen( *wxWHITE_PEN );
3453     dc.DrawLine( 0, 0, client_width, 0 );
3454     dc.DrawLine( 0, 0, 0, client_height );
3455 }
3456
3457
3458 void wxGridCornerLabelWindow::OnMouseEvent( wxMouseEvent& event )
3459 {
3460     m_owner->ProcessCornerLabelMouseEvent( event );
3461 }
3462
3463
3464 void wxGridCornerLabelWindow::OnMouseWheel( wxMouseEvent& event )
3465 {
3466     m_owner->GetEventHandler()->ProcessEvent(event);
3467 }
3468
3469 // This seems to be required for wxMotif otherwise the mouse
3470 // cursor must be in the cell edit control to get key events
3471 //
3472 void wxGridCornerLabelWindow::OnKeyDown( wxKeyEvent& event )
3473 {
3474     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3475 }
3476
3477 void wxGridCornerLabelWindow::OnKeyUp( wxKeyEvent& event )
3478 {
3479     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3480 }
3481
3482
3483
3484 //////////////////////////////////////////////////////////////////////
3485
3486 IMPLEMENT_DYNAMIC_CLASS( wxGridWindow, wxWindow )
3487
3488 BEGIN_EVENT_TABLE( wxGridWindow, wxWindow )
3489     EVT_PAINT( wxGridWindow::OnPaint )
3490     EVT_MOUSEWHEEL( wxGridWindow::OnMouseWheel)
3491     EVT_MOUSE_EVENTS( wxGridWindow::OnMouseEvent )
3492     EVT_KEY_DOWN( wxGridWindow::OnKeyDown )
3493     EVT_KEY_UP( wxGridWindow::OnKeyUp )
3494     EVT_ERASE_BACKGROUND( wxGridWindow::OnEraseBackground )
3495 END_EVENT_TABLE()
3496
3497 wxGridWindow::wxGridWindow( wxGrid *parent,
3498                             wxGridRowLabelWindow *rowLblWin,
3499                             wxGridColLabelWindow *colLblWin,
3500                             wxWindowID id, const wxPoint &pos, const wxSize &size )
3501         : wxWindow( parent, id, pos, size, wxWANTS_CHARS, wxT("grid window") )
3502 {
3503     m_owner = parent;
3504     m_rowLabelWin = rowLblWin;
3505     m_colLabelWin = colLblWin;
3506     SetBackgroundColour(_T("WHITE"));
3507 }
3508
3509
3510 wxGridWindow::~wxGridWindow()
3511 {
3512 }
3513
3514
3515 void wxGridWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
3516 {
3517     wxPaintDC dc( this );
3518     m_owner->PrepareDC( dc );
3519     wxRegion reg = GetUpdateRegion();
3520     wxGridCellCoordsArray DirtyCells = m_owner->CalcCellsExposed( reg );
3521     m_owner->DrawGridCellArea( dc , DirtyCells);
3522 #if WXGRID_DRAW_LINES
3523     m_owner->DrawAllGridLines( dc, reg );
3524 #endif
3525     m_owner->DrawGridSpace( dc );
3526     m_owner->DrawHighlight( dc , DirtyCells );
3527 }
3528
3529
3530 void wxGridWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
3531 {
3532     wxWindow::ScrollWindow( dx, dy, rect );
3533     m_rowLabelWin->ScrollWindow( 0, dy, rect );
3534     m_colLabelWin->ScrollWindow( dx, 0, rect );
3535 }
3536
3537
3538 void wxGridWindow::OnMouseEvent( wxMouseEvent& event )
3539 {
3540     m_owner->ProcessGridCellMouseEvent( event );
3541 }
3542
3543 void wxGridWindow::OnMouseWheel( wxMouseEvent& event )
3544 {
3545     m_owner->GetEventHandler()->ProcessEvent(event);
3546 }
3547
3548 // This seems to be required for wxMotif/wxGTK otherwise the mouse
3549 // cursor must be in the cell edit control to get key events
3550 //
3551 void wxGridWindow::OnKeyDown( wxKeyEvent& event )
3552 {
3553     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3554 }
3555
3556 void wxGridWindow::OnKeyUp( wxKeyEvent& event )
3557 {
3558     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3559 }
3560
3561 void wxGridWindow::OnEraseBackground( wxEraseEvent& WXUNUSED(event) )
3562 {
3563 }
3564
3565
3566 //////////////////////////////////////////////////////////////////////
3567
3568 // Internal Helper function for computing row or column from some
3569 // (unscrolled) coordinate value, using either
3570 // m_defaultRowHeight/m_defaultColWidth or binary search on array
3571 // of m_rowBottoms/m_ColRights to speed up the search!
3572
3573 // Internal helper macros for simpler use of that function
3574
3575 static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
3576                            const wxArrayInt& BorderArray, int nMax,
3577                            bool maxOnOverflow);
3578
3579 #define internalXToCol(x) CoordToRowOrCol(x, m_defaultColWidth, \
3580                                           WXGRID_MIN_COL_WIDTH, \
3581                                           m_colRights, m_numCols, TRUE)
3582 #define internalYToRow(y) CoordToRowOrCol(y, m_defaultRowHeight, \
3583                                           WXGRID_MIN_ROW_HEIGHT, \
3584                                           m_rowBottoms, m_numRows, TRUE)
3585 /////////////////////////////////////////////////////////////////////
3586
3587 IMPLEMENT_DYNAMIC_CLASS( wxGrid, wxScrolledWindow )
3588
3589 BEGIN_EVENT_TABLE( wxGrid, wxScrolledWindow )
3590     EVT_PAINT( wxGrid::OnPaint )
3591     EVT_SIZE( wxGrid::OnSize )
3592     EVT_KEY_DOWN( wxGrid::OnKeyDown )
3593     EVT_KEY_UP( wxGrid::OnKeyUp )
3594     EVT_ERASE_BACKGROUND( wxGrid::OnEraseBackground )
3595 END_EVENT_TABLE()
3596
3597 wxGrid::wxGrid( wxWindow *parent,
3598                  wxWindowID id,
3599                  const wxPoint& pos,
3600                  const wxSize& size,
3601                  long style,
3602                  const wxString& name )
3603   : wxScrolledWindow( parent, id, pos, size, (style | wxWANTS_CHARS), name ),
3604     m_colMinWidths(GRID_HASH_SIZE),
3605     m_rowMinHeights(GRID_HASH_SIZE)
3606 {
3607     Create();
3608 }
3609
3610
3611 wxGrid::~wxGrid()
3612 {
3613     // Must do this or ~wxScrollHelper will pop the wrong event handler
3614     SetTargetWindow(this);
3615     ClearAttrCache();
3616     wxSafeDecRef(m_defaultCellAttr);
3617
3618 #ifdef DEBUG_ATTR_CACHE
3619     size_t total = gs_nAttrCacheHits + gs_nAttrCacheMisses;
3620     wxPrintf(_T("wxGrid attribute cache statistics: "
3621                 "total: %u, hits: %u (%u%%)\n"),
3622              total, gs_nAttrCacheHits,
3623              total ? (gs_nAttrCacheHits*100) / total : 0);
3624 #endif
3625
3626     if (m_ownTable)
3627         delete m_table;
3628
3629     delete m_typeRegistry;
3630     delete m_selection;
3631 }
3632
3633
3634 //
3635 // ----- internal init and update functions
3636 //
3637
3638 void wxGrid::Create()
3639 {
3640     m_created = FALSE;    // set to TRUE by CreateGrid
3641
3642     m_table        = (wxGridTableBase *) NULL;
3643     m_ownTable     = FALSE;
3644
3645     m_cellEditCtrlEnabled = FALSE;
3646
3647     m_defaultCellAttr = new wxGridCellAttr();
3648
3649     // Set default cell attributes
3650     m_defaultCellAttr->SetDefAttr(m_defaultCellAttr);
3651     m_defaultCellAttr->SetKind(wxGridCellAttr::Default);
3652     m_defaultCellAttr->SetFont(GetFont());
3653     m_defaultCellAttr->SetAlignment(wxALIGN_LEFT, wxALIGN_TOP);
3654     m_defaultCellAttr->SetTextColour(
3655         wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
3656     m_defaultCellAttr->SetBackgroundColour(
3657         wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
3658     m_defaultCellAttr->SetRenderer(new wxGridCellStringRenderer);
3659     m_defaultCellAttr->SetEditor(new wxGridCellTextEditor);
3660
3661
3662     m_numRows = 0;
3663     m_numCols = 0;
3664     m_currentCellCoords = wxGridNoCellCoords;
3665
3666     m_rowLabelWidth = WXGRID_DEFAULT_ROW_LABEL_WIDTH;
3667     m_colLabelHeight = WXGRID_DEFAULT_COL_LABEL_HEIGHT;
3668
3669     // create the type registry
3670     m_typeRegistry = new wxGridTypeRegistry;
3671     m_selection = NULL;
3672
3673     // subwindow components that make up the wxGrid
3674     m_cornerLabelWin = new wxGridCornerLabelWindow( this,
3675                                                     -1,
3676                                                     wxDefaultPosition,
3677                                                     wxDefaultSize );
3678
3679     m_rowLabelWin = new wxGridRowLabelWindow( this,
3680                                               -1,
3681                                               wxDefaultPosition,
3682                                               wxDefaultSize );
3683
3684     m_colLabelWin = new wxGridColLabelWindow( this,
3685                                               -1,
3686                                               wxDefaultPosition,
3687                                               wxDefaultSize );
3688
3689     m_gridWin = new wxGridWindow( this,
3690                                   m_rowLabelWin,
3691                                   m_colLabelWin,
3692                                   -1,
3693                                   wxDefaultPosition,
3694                                   wxDefaultSize );
3695
3696     SetTargetWindow( m_gridWin );
3697
3698     Init();
3699 }
3700
3701
3702 bool wxGrid::CreateGrid( int numRows, int numCols,
3703                          wxGrid::wxGridSelectionModes selmode )
3704 {
3705     wxCHECK_MSG( !m_created,
3706                  FALSE,
3707                  wxT("wxGrid::CreateGrid or wxGrid::SetTable called more than once") );
3708
3709     m_numRows = numRows;
3710     m_numCols = numCols;
3711
3712     m_table = new wxGridStringTable( m_numRows, m_numCols );
3713     m_table->SetView( this );
3714     m_ownTable = TRUE;
3715     m_selection = new wxGridSelection( this, selmode );
3716
3717     CalcDimensions();
3718
3719     m_created = TRUE;
3720
3721     return m_created;
3722 }
3723
3724 void wxGrid::SetSelectionMode(wxGrid::wxGridSelectionModes selmode)
3725 {
3726     wxCHECK_RET( m_created,
3727                  wxT("Called wxGrid::SetSelectionMode() before calling CreateGrid()") );
3728
3729     m_selection->SetSelectionMode( selmode );
3730 }
3731
3732 wxGrid::wxGridSelectionModes wxGrid::GetSelectionMode() const
3733 {
3734     wxCHECK_MSG( m_created, wxGrid::wxGridSelectCells,
3735                  wxT("Called wxGrid::GetSelectionMode() before calling CreateGrid()") );
3736
3737     return m_selection->GetSelectionMode();
3738 }
3739
3740 bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership,
3741                        wxGrid::wxGridSelectionModes selmode )
3742 {
3743     if ( m_created )
3744     {
3745         // RD: Actually, this should probably be allowed.  I think it would be
3746         //     nice to be able to switch multiple Tables in and out of a single
3747         //     View at runtime.  Is there anything in the implementation that
3748         //     would prevent this?
3749
3750         // At least, you now have to cope with m_selection
3751         wxFAIL_MSG( wxT("wxGrid::CreateGrid or wxGrid::SetTable called more than once") );
3752         return FALSE;
3753     }
3754     else
3755     {
3756         m_numRows = table->GetNumberRows();
3757         m_numCols = table->GetNumberCols();
3758
3759         m_table = table;
3760         m_table->SetView( this );
3761         if (takeOwnership)
3762             m_ownTable = TRUE;
3763         m_selection = new wxGridSelection( this, selmode );
3764
3765         CalcDimensions();
3766
3767         m_created = TRUE;
3768     }
3769
3770     return m_created;
3771 }
3772
3773
3774 void wxGrid::Init()
3775 {
3776     m_rowLabelWidth  = WXGRID_DEFAULT_ROW_LABEL_WIDTH;
3777     m_colLabelHeight = WXGRID_DEFAULT_COL_LABEL_HEIGHT;
3778
3779     if ( m_rowLabelWin )
3780     {
3781         m_labelBackgroundColour = m_rowLabelWin->GetBackgroundColour();
3782     }
3783     else
3784     {
3785         m_labelBackgroundColour = wxColour( _T("WHITE") );
3786     }
3787
3788     m_labelTextColour = wxColour( _T("BLACK") );
3789
3790     // init attr cache
3791     m_attrCache.row = -1;
3792
3793     // TODO: something better than this ?
3794     //
3795     m_labelFont = this->GetFont();
3796     m_labelFont.SetWeight( m_labelFont.GetWeight() + 2 );
3797
3798     m_rowLabelHorizAlign = wxALIGN_LEFT;
3799     m_rowLabelVertAlign  = wxALIGN_CENTRE;
3800
3801     m_colLabelHorizAlign = wxALIGN_CENTRE;
3802     m_colLabelVertAlign  = wxALIGN_TOP;
3803
3804     m_defaultColWidth  = WXGRID_DEFAULT_COL_WIDTH;
3805     m_defaultRowHeight = m_gridWin->GetCharHeight();
3806
3807 #if defined(__WXMOTIF__) || defined(__WXGTK__)  // see also text ctrl sizing in ShowCellEditControl()
3808     m_defaultRowHeight += 8;
3809 #else
3810     m_defaultRowHeight += 4;
3811 #endif
3812
3813     m_gridLineColour = wxColour( 128, 128, 255 );
3814     m_gridLinesEnabled = TRUE;
3815     m_cellHighlightColour = m_gridLineColour;
3816     m_cellHighlightPenWidth = 2;
3817     m_cellHighlightROPenWidth = 1;
3818
3819     m_cursorMode  = WXGRID_CURSOR_SELECT_CELL;
3820     m_winCapture = (wxWindow *)NULL;
3821     m_canDragRowSize = TRUE;
3822     m_canDragColSize = TRUE;
3823     m_canDragGridSize = TRUE;
3824     m_dragLastPos  = -1;
3825     m_dragRowOrCol = -1;
3826     m_isDragging = FALSE;
3827     m_startDragPos = wxDefaultPosition;
3828
3829     m_waitForSlowClick = FALSE;
3830
3831     m_rowResizeCursor = wxCursor( wxCURSOR_SIZENS );
3832     m_colResizeCursor = wxCursor( wxCURSOR_SIZEWE );
3833
3834     m_currentCellCoords = wxGridNoCellCoords;
3835
3836     m_selectingTopLeft = wxGridNoCellCoords;
3837     m_selectingBottomRight = wxGridNoCellCoords;
3838     m_selectionBackground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
3839     m_selectionForeground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
3840
3841     m_editable = TRUE;  // default for whole grid
3842
3843     m_inOnKeyDown = FALSE;
3844     m_batchCount = 0;
3845
3846     m_extraWidth =
3847     m_extraHeight = 0;
3848 }
3849
3850 // ----------------------------------------------------------------------------
3851 // the idea is to call these functions only when necessary because they create
3852 // quite big arrays which eat memory mostly unnecessary - in particular, if
3853 // default widths/heights are used for all rows/columns, we may not use these
3854 // arrays at all
3855 //
3856 // with some extra code, it should be possible to only store the
3857 // widths/heights different from default ones but this will be done later...
3858 // ----------------------------------------------------------------------------
3859
3860 void wxGrid::InitRowHeights()
3861 {
3862     m_rowHeights.Empty();
3863     m_rowBottoms.Empty();
3864
3865     m_rowHeights.Alloc( m_numRows );
3866     m_rowBottoms.Alloc( m_numRows );
3867
3868     int rowBottom = 0;
3869
3870     m_rowHeights.Add( m_defaultRowHeight, m_numRows );
3871
3872     for ( int i = 0;  i < m_numRows;  i++ )
3873     {
3874         rowBottom += m_defaultRowHeight;
3875         m_rowBottoms.Add( rowBottom );
3876     }
3877 }
3878
3879 void wxGrid::InitColWidths()
3880 {
3881     m_colWidths.Empty();
3882     m_colRights.Empty();
3883
3884     m_colWidths.Alloc( m_numCols );
3885     m_colRights.Alloc( m_numCols );
3886     int colRight = 0;
3887
3888     m_colWidths.Add( m_defaultColWidth, m_numCols );
3889
3890     for ( int i = 0;  i < m_numCols;  i++ )
3891     {
3892         colRight += m_defaultColWidth;
3893         m_colRights.Add( colRight );
3894     }
3895 }
3896
3897 int wxGrid::GetColWidth(int col) const
3898 {
3899     return m_colWidths.IsEmpty() ? m_defaultColWidth : m_colWidths[col];
3900 }
3901
3902 int wxGrid::GetColLeft(int col) const
3903 {
3904     return m_colRights.IsEmpty() ? col * m_defaultColWidth
3905                                  : m_colRights[col] - m_colWidths[col];
3906 }
3907
3908 int wxGrid::GetColRight(int col) const
3909 {
3910     return m_colRights.IsEmpty() ? (col + 1) * m_defaultColWidth
3911                                  : m_colRights[col];
3912 }
3913
3914 int wxGrid::GetRowHeight(int row) const
3915 {
3916     return m_rowHeights.IsEmpty() ? m_defaultRowHeight : m_rowHeights[row];
3917 }
3918
3919 int wxGrid::GetRowTop(int row) const
3920 {
3921     return m_rowBottoms.IsEmpty() ? row * m_defaultRowHeight
3922                                   : m_rowBottoms[row] - m_rowHeights[row];
3923 }
3924
3925 int wxGrid::GetRowBottom(int row) const
3926 {
3927     return m_rowBottoms.IsEmpty() ? (row + 1) * m_defaultRowHeight
3928                                   : m_rowBottoms[row];
3929 }
3930
3931 void wxGrid::CalcDimensions()
3932 {
3933     int cw, ch;
3934     GetClientSize( &cw, &ch );
3935
3936     if ( m_rowLabelWin->IsShown() )
3937         cw -= m_rowLabelWidth;
3938     if ( m_colLabelWin->IsShown() )
3939         ch -= m_colLabelHeight;
3940
3941     // grid total size
3942     int w = m_numCols > 0 ? GetColRight(m_numCols - 1) + m_extraWidth + 1 : 0;
3943     int h = m_numRows > 0 ? GetRowBottom(m_numRows - 1) + m_extraHeight + 1 : 0;
3944
3945     // preserve (more or less) the previous position
3946     int x, y;
3947     GetViewStart( &x, &y );
3948
3949     // maybe we don't need scrollbars at all?
3950     //
3951     // also adjust the position to be valid for the new scroll rangs
3952     if ( w <= cw )
3953     {
3954         w = x = 0;
3955     }
3956     else
3957     {
3958         if ( x >= w )
3959             x = w - 1;
3960     }
3961
3962     if ( h <= ch )
3963     {
3964         h = y = 0;
3965     }
3966     else
3967     {
3968         if ( y >= h )
3969             y = h - 1;
3970     }
3971
3972     // do set scrollbar parameters
3973     SetScrollbars( GRID_SCROLL_LINE_X, GRID_SCROLL_LINE_Y,
3974                    GetScrollX(w), GetScrollY(h), x, y,
3975                    GetBatchCount() != 0);
3976
3977     // if our OnSize() hadn't been called (it would if we have scrollbars), we
3978     // still must reposition the children
3979     CalcWindowSizes();
3980 }
3981
3982
3983 void wxGrid::CalcWindowSizes()
3984 {
3985     int cw, ch;
3986     GetClientSize( &cw, &ch );
3987
3988     if ( m_cornerLabelWin->IsShown() )
3989         m_cornerLabelWin->SetSize( 0, 0, m_rowLabelWidth, m_colLabelHeight );
3990
3991     if ( m_colLabelWin->IsShown() )
3992         m_colLabelWin->SetSize( m_rowLabelWidth, 0, cw-m_rowLabelWidth, m_colLabelHeight);
3993
3994     if ( m_rowLabelWin->IsShown() )
3995         m_rowLabelWin->SetSize( 0, m_colLabelHeight, m_rowLabelWidth, ch-m_colLabelHeight);
3996
3997     if ( m_gridWin->IsShown() )
3998         m_gridWin->SetSize( m_rowLabelWidth, m_colLabelHeight, cw-m_rowLabelWidth, ch-m_colLabelHeight);
3999 }
4000
4001
4002 // this is called when the grid table sends a message to say that it
4003 // has been redimensioned
4004 //
4005 bool wxGrid::Redimension( wxGridTableMessage& msg )
4006 {
4007     int i;
4008     bool result = FALSE;
4009
4010     // Clear the attribute cache as the attribute might refer to a different
4011     // cell than stored in the cache after adding/removing rows/columns.
4012     ClearAttrCache();
4013     // By the same reasoning, the editor should be dismissed if columns are
4014     // added or removed. And for consistency, it should IMHO always be
4015     // removed, not only if the cell "underneath" it actually changes.
4016     // For now, I intentionally do not save the editor's content as the
4017     // cell it might want to save that stuff to might no longer exist.
4018     HideCellEditControl();
4019 #if 0
4020     // if we were using the default widths/heights so far, we must change them
4021     // now
4022     if ( m_colWidths.IsEmpty() )
4023     {
4024         InitColWidths();
4025     }
4026
4027     if ( m_rowHeights.IsEmpty() )
4028     {
4029         InitRowHeights();
4030     }
4031 #endif
4032
4033     switch ( msg.GetId() )
4034     {
4035         case wxGRIDTABLE_NOTIFY_ROWS_INSERTED:
4036         {
4037             size_t pos = msg.GetCommandInt();
4038             int numRows = msg.GetCommandInt2();
4039
4040             m_numRows += numRows;
4041
4042             if ( !m_rowHeights.IsEmpty() )
4043             {
4044                 m_rowHeights.Insert( m_defaultRowHeight, pos, numRows );
4045                 m_rowBottoms.Insert( 0, pos, numRows );
4046
4047                 int bottom = 0;
4048                 if ( pos > 0 ) bottom = m_rowBottoms[pos-1];
4049
4050                 for ( i = pos;  i < m_numRows;  i++ )
4051                 {
4052                     bottom += m_rowHeights[i];
4053                     m_rowBottoms[i] = bottom;
4054                 }
4055             }
4056             if ( m_currentCellCoords == wxGridNoCellCoords )
4057             {
4058                 // if we have just inserted cols into an empty grid the current
4059                 // cell will be undefined...
4060                 //
4061                 SetCurrentCell( 0, 0 );
4062             }
4063
4064             if ( m_selection )
4065                 m_selection->UpdateRows( pos, numRows );
4066             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
4067             if (attrProvider)
4068                 attrProvider->UpdateAttrRows( pos, numRows );
4069
4070             if ( !GetBatchCount() )
4071             {
4072                 CalcDimensions();
4073                 m_rowLabelWin->Refresh();
4074             }
4075         }
4076         result = TRUE;
4077         break;
4078
4079         case wxGRIDTABLE_NOTIFY_ROWS_APPENDED:
4080         {
4081             int numRows = msg.GetCommandInt();
4082             int oldNumRows = m_numRows;
4083             m_numRows += numRows;
4084
4085             if ( !m_rowHeights.IsEmpty() )
4086             {
4087                 m_rowHeights.Add( m_defaultRowHeight, numRows );
4088                 m_rowBottoms.Add( 0, numRows );
4089
4090                 int bottom = 0;
4091                 if ( oldNumRows > 0 ) bottom = m_rowBottoms[oldNumRows-1];
4092
4093                 for ( i = oldNumRows;  i < m_numRows;  i++ )
4094                 {
4095                     bottom += m_rowHeights[i];
4096                     m_rowBottoms[i] = bottom;
4097                 }
4098             }
4099             if ( m_currentCellCoords == wxGridNoCellCoords )
4100             {
4101                 // if we have just inserted cols into an empty grid the current
4102                 // cell will be undefined...
4103                 //
4104                 SetCurrentCell( 0, 0 );
4105             }
4106             if ( !GetBatchCount() )
4107             {
4108                 CalcDimensions();
4109                 m_rowLabelWin->Refresh();
4110             }
4111         }
4112         result = TRUE;
4113         break;
4114
4115         case wxGRIDTABLE_NOTIFY_ROWS_DELETED:
4116         {
4117             size_t pos = msg.GetCommandInt();
4118             int numRows = msg.GetCommandInt2();
4119             m_numRows -= numRows;
4120
4121             if ( !m_rowHeights.IsEmpty() )
4122             {
4123                 m_rowHeights.RemoveAt( pos, numRows );
4124                 m_rowBottoms.RemoveAt( pos, numRows );
4125
4126                 int h = 0;
4127                 for ( i = 0;  i < m_numRows;  i++ )
4128                 {
4129                     h += m_rowHeights[i];
4130                     m_rowBottoms[i] = h;
4131                 }
4132             }
4133             if ( !m_numRows )
4134             {
4135                 m_currentCellCoords = wxGridNoCellCoords;
4136             }
4137             else
4138             {
4139                 if ( m_currentCellCoords.GetRow() >= m_numRows )
4140                     m_currentCellCoords.Set( 0, 0 );
4141             }
4142
4143             if ( m_selection )
4144                 m_selection->UpdateRows( pos, -((int)numRows) );
4145             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
4146             if (attrProvider) {
4147                 attrProvider->UpdateAttrRows( pos, -((int)numRows) );
4148 // ifdef'd out following patch from Paul Gammans
4149 #if 0
4150                 // No need to touch column attributes, unless we
4151                 // removed _all_ rows, in this case, we remove
4152                 // all column attributes.
4153                 // I hate to do this here, but the
4154                 // needed data is not available inside UpdateAttrRows.
4155                 if ( !GetNumberRows() )
4156                     attrProvider->UpdateAttrCols( 0, -GetNumberCols() );
4157 #endif
4158             }
4159             if ( !GetBatchCount() )
4160             {
4161                 CalcDimensions();
4162                 m_rowLabelWin->Refresh();
4163             }
4164         }
4165         result = TRUE;
4166         break;
4167
4168         case wxGRIDTABLE_NOTIFY_COLS_INSERTED:
4169         {
4170             size_t pos = msg.GetCommandInt();
4171             int numCols = msg.GetCommandInt2();
4172             m_numCols += numCols;
4173
4174             if ( !m_colWidths.IsEmpty() )
4175             {
4176                 m_colWidths.Insert( m_defaultColWidth, pos, numCols );
4177                 m_colRights.Insert( 0, pos, numCols );
4178
4179                 int right = 0;
4180                 if ( pos > 0 ) right = m_colRights[pos-1];
4181
4182                 for ( i = pos;  i < m_numCols;  i++ )
4183                 {
4184                     right += m_colWidths[i];
4185                     m_colRights[i] = right;
4186                 }
4187             }
4188             if ( m_currentCellCoords == wxGridNoCellCoords )
4189             {
4190                 // if we have just inserted cols into an empty grid the current
4191                 // cell will be undefined...
4192                 //
4193                 SetCurrentCell( 0, 0 );
4194             }
4195
4196             if ( m_selection )
4197                 m_selection->UpdateCols( pos, numCols );
4198             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
4199             if (attrProvider)
4200                 attrProvider->UpdateAttrCols( pos, numCols );
4201             if ( !GetBatchCount() )
4202             {
4203                 CalcDimensions();
4204                 m_colLabelWin->Refresh();
4205             }
4206
4207         }
4208         result = TRUE;
4209         break;
4210
4211         case wxGRIDTABLE_NOTIFY_COLS_APPENDED:
4212         {
4213             int numCols = msg.GetCommandInt();
4214             int oldNumCols = m_numCols;
4215             m_numCols += numCols;
4216             if ( !m_colWidths.IsEmpty() )
4217             {
4218                 m_colWidths.Add( m_defaultColWidth, numCols );
4219                 m_colRights.Add( 0, numCols );
4220
4221                 int right = 0;
4222                 if ( oldNumCols > 0 ) right = m_colRights[oldNumCols-1];
4223
4224                 for ( i = oldNumCols;  i < m_numCols;  i++ )
4225                 {
4226                     right += m_colWidths[i];
4227                     m_colRights[i] = right;
4228                 }
4229             }
4230             if ( m_currentCellCoords == wxGridNoCellCoords )
4231             {
4232                 // if we have just inserted cols into an empty grid the current
4233                 // cell will be undefined...
4234                 //
4235                 SetCurrentCell( 0, 0 );
4236             }
4237             if ( !GetBatchCount() )
4238             {
4239                 CalcDimensions();
4240                 m_colLabelWin->Refresh();
4241             }
4242         }
4243         result = TRUE;
4244         break;
4245
4246         case wxGRIDTABLE_NOTIFY_COLS_DELETED:
4247         {
4248             size_t pos = msg.GetCommandInt();
4249             int numCols = msg.GetCommandInt2();
4250             m_numCols -= numCols;
4251
4252             if ( !m_colWidths.IsEmpty() )
4253             {
4254                 m_colWidths.RemoveAt( pos, numCols );
4255                 m_colRights.RemoveAt( pos, numCols );
4256
4257                 int w = 0;
4258                 for ( i = 0;  i < m_numCols;  i++ )
4259                 {
4260                     w += m_colWidths[i];
4261                     m_colRights[i] = w;
4262                 }
4263             }
4264             if ( !m_numCols )
4265             {
4266                 m_currentCellCoords = wxGridNoCellCoords;
4267             }
4268             else
4269             {
4270                 if ( m_currentCellCoords.GetCol() >= m_numCols )
4271                   m_currentCellCoords.Set( 0, 0 );
4272             }
4273
4274             if ( m_selection )
4275                 m_selection->UpdateCols( pos, -((int)numCols) );
4276             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
4277             if (attrProvider) {
4278                 attrProvider->UpdateAttrCols( pos, -((int)numCols) );
4279 // ifdef'd out following patch from Paul Gammans
4280 #if 0
4281                 // No need to touch row attributes, unless we
4282                 // removed _all_ columns, in this case, we remove
4283                 // all row attributes.
4284                 // I hate to do this here, but the
4285                 // needed data is not available inside UpdateAttrCols.
4286                 if ( !GetNumberCols() )
4287                     attrProvider->UpdateAttrRows( 0, -GetNumberRows() );
4288 #endif
4289             }
4290             if ( !GetBatchCount() )
4291             {
4292                 CalcDimensions();
4293                 m_colLabelWin->Refresh();
4294             }
4295         }
4296         result = TRUE;
4297         break;
4298     }
4299
4300     if (result && !GetBatchCount() )
4301         m_gridWin->Refresh();
4302     return result;
4303 }
4304
4305
4306 wxArrayInt wxGrid::CalcRowLabelsExposed( const wxRegion& reg )
4307 {
4308     wxRegionIterator iter( reg );
4309     wxRect r;
4310
4311     wxArrayInt  rowlabels;
4312
4313     int top, bottom;
4314     while ( iter )
4315     {
4316         r = iter.GetRect();
4317
4318         // TODO: remove this when we can...
4319         // There is a bug in wxMotif that gives garbage update
4320         // rectangles if you jump-scroll a long way by clicking the
4321         // scrollbar with middle button.  This is a work-around
4322         //
4323 #if defined(__WXMOTIF__)
4324         int cw, ch;
4325         m_gridWin->GetClientSize( &cw, &ch );
4326         if ( r.GetTop() > ch ) r.SetTop( 0 );
4327         r.SetBottom( wxMin( r.GetBottom(), ch ) );
4328 #endif
4329
4330         // logical bounds of update region
4331         //
4332         int dummy;
4333         CalcUnscrolledPosition( 0, r.GetTop(), &dummy, &top );
4334         CalcUnscrolledPosition( 0, r.GetBottom(), &dummy, &bottom );
4335
4336         // find the row labels within these bounds
4337         //
4338         int row;
4339         for ( row = internalYToRow(top);  row < m_numRows;  row++ )
4340         {
4341             if ( GetRowBottom(row) < top )
4342                 continue;
4343
4344             if ( GetRowTop(row) > bottom )
4345                 break;
4346
4347             rowlabels.Add( row );
4348         }
4349
4350         iter++ ;
4351     }
4352
4353     return rowlabels;
4354 }
4355
4356
4357 wxArrayInt wxGrid::CalcColLabelsExposed( const wxRegion& reg )
4358 {
4359     wxRegionIterator iter( reg );
4360     wxRect r;
4361
4362     wxArrayInt colLabels;
4363
4364     int left, right;
4365     while ( iter )
4366     {
4367         r = iter.GetRect();
4368
4369         // TODO: remove this when we can...
4370         // There is a bug in wxMotif that gives garbage update
4371         // rectangles if you jump-scroll a long way by clicking the
4372         // scrollbar with middle button.  This is a work-around
4373         //
4374 #if defined(__WXMOTIF__)
4375         int cw, ch;
4376         m_gridWin->GetClientSize( &cw, &ch );
4377         if ( r.GetLeft() > cw ) r.SetLeft( 0 );
4378         r.SetRight( wxMin( r.GetRight(), cw ) );
4379 #endif
4380
4381         // logical bounds of update region
4382         //
4383         int dummy;
4384         CalcUnscrolledPosition( r.GetLeft(), 0, &left, &dummy );
4385         CalcUnscrolledPosition( r.GetRight(), 0, &right, &dummy );
4386
4387         // find the cells within these bounds
4388         //
4389         int col;
4390         for ( col = internalXToCol(left);  col < m_numCols;  col++ )
4391         {
4392             if ( GetColRight(col) < left )
4393                 continue;
4394
4395             if ( GetColLeft(col) > right )
4396                 break;
4397
4398             colLabels.Add( col );
4399         }
4400
4401         iter++ ;
4402     }
4403     return colLabels;
4404 }
4405
4406
4407 wxGridCellCoordsArray wxGrid::CalcCellsExposed( const wxRegion& reg )
4408 {
4409     wxRegionIterator iter( reg );
4410     wxRect r;
4411
4412     wxGridCellCoordsArray  cellsExposed;
4413
4414     int left, top, right, bottom;
4415     while ( iter )
4416     {
4417         r = iter.GetRect();
4418
4419         // TODO: remove this when we can...
4420         // There is a bug in wxMotif that gives garbage update
4421         // rectangles if you jump-scroll a long way by clicking the
4422         // scrollbar with middle button.  This is a work-around
4423         //
4424 #if defined(__WXMOTIF__)
4425         int cw, ch;
4426         m_gridWin->GetClientSize( &cw, &ch );
4427         if ( r.GetTop() > ch ) r.SetTop( 0 );
4428         if ( r.GetLeft() > cw ) r.SetLeft( 0 );
4429         r.SetRight( wxMin( r.GetRight(), cw ) );
4430         r.SetBottom( wxMin( r.GetBottom(), ch ) );
4431 #endif
4432
4433         // logical bounds of update region
4434         //
4435         CalcUnscrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
4436         CalcUnscrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
4437
4438         // find the cells within these bounds
4439         //
4440         int row, col;
4441         for ( row = internalYToRow(top);  row < m_numRows;  row++ )
4442         {
4443             if ( GetRowBottom(row) <= top )
4444                 continue;
4445
4446             if ( GetRowTop(row) > bottom )
4447                 break;
4448
4449             for ( col = internalXToCol(left);  col < m_numCols;  col++ )
4450             {
4451                 if ( GetColRight(col) <= left )
4452                     continue;
4453
4454                 if ( GetColLeft(col) > right )
4455                     break;
4456
4457                 cellsExposed.Add( wxGridCellCoords( row, col ) );
4458             }
4459         }
4460
4461         iter++;
4462     }
4463
4464     return cellsExposed;
4465 }
4466
4467
4468 void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
4469 {
4470     int x, y, row;
4471     wxPoint pos( event.GetPosition() );
4472     CalcUnscrolledPosition( pos.x, pos.y, &x, &y );
4473
4474     if ( event.Dragging() )
4475     {
4476         if (!m_isDragging)
4477         {
4478             m_isDragging = TRUE;
4479             m_rowLabelWin->CaptureMouse();
4480         }
4481
4482         if ( event.LeftIsDown() )
4483         {
4484             switch( m_cursorMode )
4485             {
4486                 case WXGRID_CURSOR_RESIZE_ROW:
4487                 {
4488                     int cw, ch, left, dummy;
4489                     m_gridWin->GetClientSize( &cw, &ch );
4490                     CalcUnscrolledPosition( 0, 0, &left, &dummy );
4491
4492                     wxClientDC dc( m_gridWin );
4493                     PrepareDC( dc );
4494                     y = wxMax( y,
4495                                GetRowTop(m_dragRowOrCol) +
4496                                GetRowMinimalHeight(m_dragRowOrCol) );
4497                     dc.SetLogicalFunction(wxINVERT);
4498                     if ( m_dragLastPos >= 0 )
4499                     {
4500                         dc.DrawLine( left, m_dragLastPos, left+cw, m_dragLastPos );
4501                     }
4502                     dc.DrawLine( left, y, left+cw, y );
4503                     m_dragLastPos = y;
4504                 }
4505                 break;
4506
4507                 case WXGRID_CURSOR_SELECT_ROW:
4508                     if ( (row = YToRow( y )) >= 0 )
4509                     {
4510                         if ( m_selection )
4511                         {
4512                             m_selection->SelectRow( row,
4513                                                     event.ControlDown(),
4514                                                     event.ShiftDown(),
4515                                                     event.AltDown(),
4516                                                     event.MetaDown() );
4517                         }
4518                     }
4519
4520                 // default label to suppress warnings about "enumeration value
4521                 // 'xxx' not handled in switch
4522                 default:
4523                     break;
4524             }
4525         }
4526         return;
4527     }
4528
4529     if ( m_isDragging && (event.Entering() || event.Leaving()) )
4530         return;
4531
4532     if (m_isDragging)
4533     {
4534         if (m_rowLabelWin->HasCapture()) m_rowLabelWin->ReleaseMouse();
4535         m_isDragging = FALSE;
4536     }
4537
4538     // ------------ Entering or leaving the window
4539     //
4540     if ( event.Entering() || event.Leaving() )
4541     {
4542         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin);
4543     }
4544
4545
4546     // ------------ Left button pressed
4547     //
4548     else if ( event.LeftDown() )
4549     {
4550         // don't send a label click event for a hit on the
4551         // edge of the row label - this is probably the user
4552         // wanting to resize the row
4553         //
4554         if ( YToEdgeOfRow(y) < 0 )
4555         {
4556             row = YToRow(y);
4557             if ( row >= 0  &&
4558                  !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, row, -1, event ) )
4559             {
4560                 if ( !event.ShiftDown() && !event.ControlDown() )
4561                     ClearSelection();
4562                 if ( m_selection )
4563                 {
4564                     if ( event.ShiftDown() )
4565                     {
4566                         m_selection->SelectBlock( m_currentCellCoords.GetRow(),
4567                                                   0,
4568                                                   row,
4569                                                   GetNumberCols() - 1,
4570                                                   event.ControlDown(),
4571                                                   event.ShiftDown(),
4572                                                   event.AltDown(),
4573                                                   event.MetaDown() );
4574                     }
4575                     else
4576                     {
4577                         m_selection->SelectRow( row,
4578                                                 event.ControlDown(),
4579                                                 event.ShiftDown(),
4580                                                 event.AltDown(),
4581                                                 event.MetaDown() );
4582                     }
4583                 }
4584
4585                 ChangeCursorMode(WXGRID_CURSOR_SELECT_ROW, m_rowLabelWin);
4586             }
4587         }
4588         else
4589         {
4590             // starting to drag-resize a row
4591             //
4592             if ( CanDragRowSize() )
4593                 ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, m_rowLabelWin);
4594         }
4595     }
4596
4597
4598     // ------------ Left double click
4599     //
4600     else if (event.LeftDClick() )
4601     {
4602         if ( YToEdgeOfRow(y) < 0 )
4603         {
4604             row = YToRow(y);
4605             SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, row, -1, event );
4606         }
4607     }
4608
4609
4610     // ------------ Left button released
4611     //
4612     else if ( event.LeftUp() )
4613     {
4614         if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
4615         {
4616             DoEndDragResizeRow();
4617
4618             // Note: we are ending the event *after* doing
4619             // default processing in this case
4620             //
4621             SendEvent( wxEVT_GRID_ROW_SIZE, m_dragRowOrCol, -1, event );
4622         }
4623
4624         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin);
4625         m_dragLastPos = -1;
4626     }
4627
4628
4629     // ------------ Right button down
4630     //
4631     else if ( event.RightDown() )
4632     {
4633         row = YToRow(y);
4634         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, row, -1, event ) )
4635         {
4636             // no default action at the moment
4637         }
4638     }
4639
4640
4641     // ------------ Right double click
4642     //
4643     else if ( event.RightDClick() )
4644     {
4645         row = YToRow(y);
4646         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, row, -1, event ) )
4647         {
4648             // no default action at the moment
4649         }
4650     }
4651
4652
4653     // ------------ No buttons down and mouse moving
4654     //
4655     else if ( event.Moving() )
4656     {
4657         m_dragRowOrCol = YToEdgeOfRow( y );
4658         if ( m_dragRowOrCol >= 0 )
4659         {
4660             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
4661             {
4662                 // don't capture the mouse yet
4663                 if ( CanDragRowSize() )
4664                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, m_rowLabelWin, FALSE);
4665             }
4666         }
4667         else if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
4668         {
4669             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin, FALSE);
4670         }
4671     }
4672 }
4673
4674
4675 void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
4676 {
4677     int x, y, col;
4678     wxPoint pos( event.GetPosition() );
4679     CalcUnscrolledPosition( pos.x, pos.y, &x, &y );
4680
4681     if ( event.Dragging() )
4682     {
4683         if (!m_isDragging)
4684         {
4685             m_isDragging = TRUE;
4686             m_colLabelWin->CaptureMouse();
4687         }
4688
4689         if ( event.LeftIsDown() )
4690         {
4691             switch( m_cursorMode )
4692             {
4693                 case WXGRID_CURSOR_RESIZE_COL:
4694                 {
4695                     int cw, ch, dummy, top;
4696                     m_gridWin->GetClientSize( &cw, &ch );
4697                     CalcUnscrolledPosition( 0, 0, &dummy, &top );
4698
4699                     wxClientDC dc( m_gridWin );
4700                     PrepareDC( dc );
4701
4702                     x = wxMax( x, GetColLeft(m_dragRowOrCol) +
4703                                   GetColMinimalWidth(m_dragRowOrCol));
4704                     dc.SetLogicalFunction(wxINVERT);
4705                     if ( m_dragLastPos >= 0 )
4706                     {
4707                         dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top+ch );
4708                     }
4709                     dc.DrawLine( x, top, x, top+ch );
4710                     m_dragLastPos = x;
4711                 }
4712                 break;
4713
4714                 case WXGRID_CURSOR_SELECT_COL:
4715                     if ( (col = XToCol( x )) >= 0 )
4716                     {
4717                         if ( m_selection )
4718                         {
4719                             m_selection->SelectCol( col,
4720                                                     event.ControlDown(),
4721                                                     event.ShiftDown(),
4722                                                     event.AltDown(),
4723                                                     event.MetaDown() );
4724                         }
4725                     }
4726
4727                 // default label to suppress warnings about "enumeration value
4728                 // 'xxx' not handled in switch
4729                 default:
4730                     break;
4731             }
4732         }
4733         return;
4734     }
4735
4736     if ( m_isDragging && (event.Entering() || event.Leaving()) )
4737         return;
4738
4739     if (m_isDragging)
4740     {
4741         if (m_colLabelWin->HasCapture()) m_colLabelWin->ReleaseMouse();
4742         m_isDragging = FALSE;
4743     }
4744
4745     // ------------ Entering or leaving the window
4746     //
4747     if ( event.Entering() || event.Leaving() )
4748     {
4749         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin);
4750     }
4751
4752
4753     // ------------ Left button pressed
4754     //
4755     else if ( event.LeftDown() )
4756     {
4757         // don't send a label click event for a hit on the
4758         // edge of the col label - this is probably the user
4759         // wanting to resize the col
4760         //
4761         if ( XToEdgeOfCol(x) < 0 )
4762         {
4763             col = XToCol(x);
4764             if ( col >= 0  &&
4765                  !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, -1, col, event ) )
4766             {
4767                 if ( !event.ShiftDown() && !event.ControlDown() )
4768                     ClearSelection();
4769                 if ( m_selection )
4770                 {
4771                     if ( event.ShiftDown() )
4772                     {
4773                         m_selection->SelectBlock( 0,
4774                                                   m_currentCellCoords.GetCol(),
4775                                                   GetNumberRows() - 1, col,
4776                                                   event.ControlDown(),
4777                                                   event.ShiftDown(),
4778                                                   event.AltDown(),
4779                                                   event.MetaDown() );
4780                     }
4781                     else
4782                     {
4783                         m_selection->SelectCol( col,
4784                                                 event.ControlDown(),
4785                                                 event.ShiftDown(),
4786                                                 event.AltDown(),
4787                                                 event.MetaDown() );
4788                     }
4789                 }
4790
4791                 ChangeCursorMode(WXGRID_CURSOR_SELECT_COL, m_colLabelWin);
4792             }
4793         }
4794         else
4795         {
4796             // starting to drag-resize a col
4797             //
4798             if ( CanDragColSize() )
4799                 ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, m_colLabelWin);
4800         }
4801     }
4802
4803
4804     // ------------ Left double click
4805     //
4806     if ( event.LeftDClick() )
4807     {
4808         if ( XToEdgeOfCol(x) < 0 )
4809         {
4810             col = XToCol(x);
4811             SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, -1, col, event );
4812         }
4813     }
4814
4815
4816     // ------------ Left button released
4817     //
4818     else if ( event.LeftUp() )
4819     {
4820         if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL )
4821         {
4822             DoEndDragResizeCol();
4823
4824             // Note: we are ending the event *after* doing
4825             // default processing in this case
4826             //
4827             SendEvent( wxEVT_GRID_COL_SIZE, -1, m_dragRowOrCol, event );
4828         }
4829
4830         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin);
4831         m_dragLastPos  = -1;
4832     }
4833
4834
4835     // ------------ Right button down
4836     //
4837     else if ( event.RightDown() )
4838     {
4839         col = XToCol(x);
4840         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, -1, col, event ) )
4841         {
4842             // no default action at the moment
4843         }
4844     }
4845
4846
4847     // ------------ Right double click
4848     //
4849     else if ( event.RightDClick() )
4850     {
4851         col = XToCol(x);
4852         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, -1, col, event ) )
4853         {
4854             // no default action at the moment
4855         }
4856     }
4857
4858
4859     // ------------ No buttons down and mouse moving
4860     //
4861     else if ( event.Moving() )
4862     {
4863         m_dragRowOrCol = XToEdgeOfCol( x );
4864         if ( m_dragRowOrCol >= 0 )
4865         {
4866             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
4867             {
4868                 // don't capture the cursor yet
4869                 if ( CanDragColSize() )
4870                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, m_colLabelWin, FALSE);
4871             }
4872         }
4873         else if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
4874         {
4875             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin, FALSE);
4876         }
4877     }
4878 }
4879
4880
4881 void wxGrid::ProcessCornerLabelMouseEvent( wxMouseEvent& event )
4882 {
4883     if ( event.LeftDown() )
4884     {
4885         // indicate corner label by having both row and
4886         // col args == -1
4887         //
4888         if ( !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, -1, -1, event ) )
4889         {
4890             SelectAll();
4891         }
4892     }
4893
4894     else if ( event.LeftDClick() )
4895     {
4896         SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, -1, -1, event );
4897     }
4898
4899     else if ( event.RightDown() )
4900     {
4901         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, -1, -1, event ) )
4902         {
4903             // no default action at the moment
4904         }
4905     }
4906
4907     else if ( event.RightDClick() )
4908     {
4909         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, -1, -1, event ) )
4910         {
4911             // no default action at the moment
4912         }
4913     }
4914 }
4915
4916 void wxGrid::ChangeCursorMode(CursorMode mode,
4917                               wxWindow *win,
4918                               bool captureMouse)
4919 {
4920 #ifdef __WXDEBUG__
4921     static const wxChar *cursorModes[] =
4922     {
4923         _T("SELECT_CELL"),
4924         _T("RESIZE_ROW"),
4925         _T("RESIZE_COL"),
4926         _T("SELECT_ROW"),
4927         _T("SELECT_COL")
4928     };
4929
4930     wxLogTrace(_T("grid"),
4931                _T("wxGrid cursor mode (mouse capture for %s): %s -> %s"),
4932                win == m_colLabelWin ? _T("colLabelWin")
4933                                     : win ? _T("rowLabelWin")
4934                                           : _T("gridWin"),
4935                cursorModes[m_cursorMode], cursorModes[mode]);
4936 #endif // __WXDEBUG__
4937
4938     if ( mode == m_cursorMode &&
4939          win == m_winCapture &&
4940          captureMouse == (m_winCapture != NULL))
4941         return;
4942
4943     if ( !win )
4944     {
4945         // by default use the grid itself
4946         win = m_gridWin;
4947     }
4948
4949     if ( m_winCapture )
4950     {
4951         if (m_winCapture->HasCapture()) m_winCapture->ReleaseMouse();
4952         m_winCapture = (wxWindow *)NULL;
4953     }
4954
4955     m_cursorMode = mode;
4956
4957     switch ( m_cursorMode )
4958     {
4959         case WXGRID_CURSOR_RESIZE_ROW:
4960             win->SetCursor( m_rowResizeCursor );
4961             break;
4962
4963         case WXGRID_CURSOR_RESIZE_COL:
4964             win->SetCursor( m_colResizeCursor );
4965             break;
4966
4967         default:
4968             win->SetCursor( *wxSTANDARD_CURSOR );
4969     }
4970
4971     // we need to capture mouse when resizing
4972     bool resize = m_cursorMode == WXGRID_CURSOR_RESIZE_ROW ||
4973                   m_cursorMode == WXGRID_CURSOR_RESIZE_COL;
4974
4975     if ( captureMouse && resize )
4976     {
4977         win->CaptureMouse();
4978         m_winCapture = win;
4979     }
4980 }
4981
4982 void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
4983 {
4984     int x, y;
4985     wxPoint pos( event.GetPosition() );
4986     CalcUnscrolledPosition( pos.x, pos.y, &x, &y );
4987
4988     wxGridCellCoords coords;
4989     XYToCell( x, y, coords );
4990
4991     int cell_rows, cell_cols;
4992     GetCellSize( coords.GetRow(), coords.GetCol(), &cell_rows, &cell_cols );
4993     if ((cell_rows < 0) || (cell_cols < 0))
4994     {
4995         coords.SetRow(coords.GetRow() + cell_rows);
4996         coords.SetCol(coords.GetCol() + cell_cols);
4997     }
4998
4999     if ( event.Dragging() )
5000     {
5001         //wxLogDebug("pos(%d, %d) coords(%d, %d)", pos.x, pos.y, coords.GetRow(), coords.GetCol());
5002
5003         // Don't start doing anything until the mouse has been drug at
5004         // least 3 pixels in any direction...
5005         if (! m_isDragging)
5006         {
5007             if (m_startDragPos == wxDefaultPosition)
5008             {
5009                 m_startDragPos = pos;
5010                 return;
5011             }
5012             if (abs(m_startDragPos.x - pos.x) < 4 && abs(m_startDragPos.y - pos.y) < 4)
5013                 return;
5014         }
5015
5016         m_isDragging = TRUE;
5017         if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5018         {
5019             // Hide the edit control, so it
5020             // won't interfer with drag-shrinking.
5021             if ( IsCellEditControlShown() )
5022             {
5023                 HideCellEditControl();
5024                 SaveEditControlValue();
5025             }
5026
5027             // Have we captured the mouse yet?
5028             if (! m_winCapture)
5029             {
5030                 m_winCapture = m_gridWin;
5031                 m_winCapture->CaptureMouse();
5032             }
5033
5034             if ( coords != wxGridNoCellCoords )
5035             {
5036                 if ( event.ControlDown() )
5037                 {
5038                     if ( m_selectingKeyboard == wxGridNoCellCoords)
5039                         m_selectingKeyboard = coords;
5040                     HighlightBlock ( m_selectingKeyboard, coords );
5041                 }
5042                 else
5043                 {
5044                     if ( !IsSelection() )
5045                     {
5046                         HighlightBlock( coords, coords );
5047                     }
5048                     else
5049                     {
5050                         HighlightBlock( m_currentCellCoords, coords );
5051                     }
5052                 }
5053
5054                 if (! IsVisible(coords))
5055                 {
5056                     MakeCellVisible(coords);
5057                     // TODO: need to introduce a delay or something here.  The
5058                     // scrolling is way to fast, at least on MSW - also on GTK.
5059                 }
5060             }
5061         }
5062         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
5063         {
5064             int cw, ch, left, dummy;
5065             m_gridWin->GetClientSize( &cw, &ch );
5066             CalcUnscrolledPosition( 0, 0, &left, &dummy );
5067
5068             wxClientDC dc( m_gridWin );
5069             PrepareDC( dc );
5070             y = wxMax( y, GetRowTop(m_dragRowOrCol) +
5071                           GetRowMinimalHeight(m_dragRowOrCol) );
5072             dc.SetLogicalFunction(wxINVERT);
5073             if ( m_dragLastPos >= 0 )
5074             {
5075                 dc.DrawLine( left, m_dragLastPos, left+cw, m_dragLastPos );
5076             }
5077             dc.DrawLine( left, y, left+cw, y );
5078             m_dragLastPos = y;
5079         }
5080         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL )
5081         {
5082             int cw, ch, dummy, top;
5083             m_gridWin->GetClientSize( &cw, &ch );
5084             CalcUnscrolledPosition( 0, 0, &dummy, &top );
5085
5086             wxClientDC dc( m_gridWin );
5087             PrepareDC( dc );
5088             x = wxMax( x, GetColLeft(m_dragRowOrCol) +
5089                           GetColMinimalWidth(m_dragRowOrCol) );
5090             dc.SetLogicalFunction(wxINVERT);
5091             if ( m_dragLastPos >= 0 )
5092             {
5093                 dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top+ch );
5094             }
5095             dc.DrawLine( x, top, x, top+ch );
5096             m_dragLastPos = x;
5097         }
5098
5099         return;
5100     }
5101
5102     m_isDragging = FALSE;
5103     m_startDragPos = wxDefaultPosition;
5104
5105     // VZ: if we do this, the mode is reset to WXGRID_CURSOR_SELECT_CELL
5106     //     immediately after it becomes WXGRID_CURSOR_RESIZE_ROW/COL under
5107     //     wxGTK
5108 #if 0
5109     if ( event.Entering() || event.Leaving() )
5110     {
5111         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5112         m_gridWin->SetCursor( *wxSTANDARD_CURSOR );
5113     }
5114     else
5115 #endif // 0
5116
5117     // ------------ Left button pressed
5118     //
5119     if ( event.LeftDown() && coords != wxGridNoCellCoords )
5120     {
5121         if ( !SendEvent( wxEVT_GRID_CELL_LEFT_CLICK,
5122                        coords.GetRow(),
5123                        coords.GetCol(),
5124                        event ) )
5125         {
5126             if ( !event.ControlDown() )
5127                 ClearSelection();
5128             if ( event.ShiftDown() )
5129             {
5130                 if ( m_selection )
5131                 {
5132                     m_selection->SelectBlock( m_currentCellCoords.GetRow(),
5133                                               m_currentCellCoords.GetCol(),
5134                                               coords.GetRow(),
5135                                               coords.GetCol(),
5136                                               event.ControlDown(),
5137                                               event.ShiftDown(),
5138                                               event.AltDown(),
5139                                               event.MetaDown() );
5140                 }
5141             }
5142             else if ( XToEdgeOfCol(x) < 0  &&
5143                       YToEdgeOfRow(y) < 0 )
5144             {
5145                 DisableCellEditControl();
5146                 MakeCellVisible( coords );
5147
5148                 // if this is the second click on this cell then start
5149                 // the edit control
5150                 if ( m_waitForSlowClick &&
5151                      (coords == m_currentCellCoords) &&
5152                      CanEnableCellControl())
5153                 {
5154                     EnableCellEditControl();
5155
5156                     wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords);
5157                     wxGridCellEditor *editor = attr->GetEditor(this,
5158                                                                coords.GetRow(),
5159                                                                coords.GetCol());
5160                     editor->StartingClick();
5161                     editor->DecRef();
5162                     attr->DecRef();
5163
5164                     m_waitForSlowClick = FALSE;
5165                 }
5166                 else
5167                 {
5168                     if ( event.ControlDown() )
5169                     {
5170                         if ( m_selection )
5171                         {
5172                             m_selection->ToggleCellSelection( coords.GetRow(),
5173                                                               coords.GetCol(),
5174                                                               event.ControlDown(),
5175                                                               event.ShiftDown(),
5176                                                               event.AltDown(),
5177                                                               event.MetaDown() );
5178                         }
5179                         m_selectingTopLeft = wxGridNoCellCoords;
5180                         m_selectingBottomRight = wxGridNoCellCoords;
5181                         m_selectingKeyboard = coords;
5182                     }
5183                     else
5184                     {
5185                         SetCurrentCell( coords );
5186                         if ( m_selection )
5187                         {
5188                             if ( m_selection->GetSelectionMode() !=
5189                                     wxGrid::wxGridSelectCells )
5190                             {
5191                                 HighlightBlock( coords, coords );
5192                             }
5193                         }
5194                     }
5195                     m_waitForSlowClick = TRUE;
5196                 }
5197             }
5198         }
5199     }
5200
5201
5202     // ------------ Left double click
5203     //
5204     else if ( event.LeftDClick() && coords != wxGridNoCellCoords )
5205     {
5206         DisableCellEditControl();
5207
5208         if ( XToEdgeOfCol(x) < 0  &&  YToEdgeOfRow(y) < 0 )
5209         {
5210             SendEvent( wxEVT_GRID_CELL_LEFT_DCLICK,
5211                        coords.GetRow(),
5212                        coords.GetCol(),
5213                        event );
5214         }
5215     }
5216
5217
5218     // ------------ Left button released
5219     //
5220     else if ( event.LeftUp() )
5221     {
5222         if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5223         {
5224             if ( m_selectingTopLeft != wxGridNoCellCoords &&
5225                  m_selectingBottomRight != wxGridNoCellCoords )
5226             {
5227                 if (m_winCapture)
5228                 {
5229                     if (m_winCapture->HasCapture()) m_winCapture->ReleaseMouse();
5230                     m_winCapture = NULL;
5231                 }
5232
5233                 if ( m_selection )
5234                 {
5235                     m_selection->SelectBlock( m_selectingTopLeft.GetRow(),
5236                                               m_selectingTopLeft.GetCol(),
5237                                               m_selectingBottomRight.GetRow(),
5238                                               m_selectingBottomRight.GetCol(),
5239                                               event.ControlDown(),
5240                                               event.ShiftDown(),
5241                                               event.AltDown(),
5242                                               event.MetaDown() );
5243                 }
5244
5245                 m_selectingTopLeft = wxGridNoCellCoords;
5246                 m_selectingBottomRight = wxGridNoCellCoords;
5247             }
5248
5249             // Show the edit control, if it has been hidden for
5250             // drag-shrinking.
5251             ShowCellEditControl();
5252         }
5253         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
5254         {
5255             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5256             DoEndDragResizeRow();
5257
5258             // Note: we are ending the event *after* doing
5259             // default processing in this case
5260             //
5261             SendEvent( wxEVT_GRID_ROW_SIZE, m_dragRowOrCol, -1, event );
5262         }
5263         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL )
5264         {
5265             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5266             DoEndDragResizeCol();
5267
5268             // Note: we are ending the event *after* doing
5269             // default processing in this case
5270             //
5271             SendEvent( wxEVT_GRID_COL_SIZE, -1, m_dragRowOrCol, event );
5272         }
5273
5274         m_dragLastPos = -1;
5275     }
5276
5277
5278     // ------------ Right button down
5279     //
5280     else if ( event.RightDown() && coords != wxGridNoCellCoords )
5281     {
5282         DisableCellEditControl();
5283         if ( !SendEvent( wxEVT_GRID_CELL_RIGHT_CLICK,
5284                          coords.GetRow(),
5285                          coords.GetCol(),
5286                          event ) )
5287         {
5288             // no default action at the moment
5289         }
5290     }
5291
5292
5293     // ------------ Right double click
5294     //
5295     else if ( event.RightDClick() && coords != wxGridNoCellCoords )
5296     {
5297         DisableCellEditControl();
5298         if ( !SendEvent( wxEVT_GRID_CELL_RIGHT_DCLICK,
5299                          coords.GetRow(),
5300                          coords.GetCol(),
5301                          event ) )
5302         {
5303             // no default action at the moment
5304         }
5305     }
5306
5307     // ------------ Moving and no button action
5308     //
5309     else if ( event.Moving() && !event.IsButton() )
5310     {
5311         int dragRow = YToEdgeOfRow( y );
5312         int dragCol = XToEdgeOfCol( x );
5313
5314         // Dragging on the corner of a cell to resize in both
5315         // directions is not implemented yet...
5316         //
5317         if ( dragRow >= 0  &&  dragCol >= 0 )
5318         {
5319             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5320             return;
5321         }
5322
5323         if ( dragRow >= 0 && dragRow < GetNumberRows())
5324         {
5325             m_dragRowOrCol = dragRow;
5326
5327             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5328             {
5329                 if ( CanDragRowSize() && CanDragGridSize() )
5330                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW);
5331             }
5332
5333             if ( dragCol >= 0 )
5334             {
5335                 m_dragRowOrCol = dragCol;
5336             }
5337
5338             return;
5339         }
5340
5341         if ( dragCol >= 0 && dragCol < GetNumberCols())
5342         {
5343             m_dragRowOrCol = dragCol;
5344
5345             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5346             {
5347                 if ( CanDragColSize() && CanDragGridSize() )
5348                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL);
5349             }
5350
5351             return;
5352         }
5353
5354         // Neither on a row or col edge
5355         //
5356         if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
5357         {
5358             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5359         }
5360     }
5361 }
5362
5363
5364 void wxGrid::DoEndDragResizeRow()
5365 {
5366     if ( m_dragLastPos >= 0 )
5367     {
5368         // erase the last line and resize the row
5369         //
5370         int cw, ch, left, dummy;
5371         m_gridWin->GetClientSize( &cw, &ch );
5372         CalcUnscrolledPosition( 0, 0, &left, &dummy );
5373
5374         wxClientDC dc( m_gridWin );
5375         PrepareDC( dc );
5376         dc.SetLogicalFunction( wxINVERT );
5377         dc.DrawLine( left, m_dragLastPos, left+cw, m_dragLastPos );
5378         HideCellEditControl();
5379         SaveEditControlValue();
5380
5381         int rowTop = GetRowTop(m_dragRowOrCol);
5382         SetRowSize( m_dragRowOrCol,
5383                     wxMax( m_dragLastPos - rowTop, WXGRID_MIN_ROW_HEIGHT ) );
5384
5385         if ( !GetBatchCount() )
5386         {
5387             // Only needed to get the correct rect.y:
5388             wxRect rect ( CellToRect( m_dragRowOrCol, 0 ) );
5389             rect.x = 0;
5390             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
5391             rect.width = m_rowLabelWidth;
5392             rect.height = ch - rect.y;
5393             m_rowLabelWin->Refresh( TRUE, &rect );
5394             rect.width = cw;
5395             // if there is a multicell block, paint all of it
5396             if (m_table)
5397             {
5398                 int i, cell_rows, cell_cols, subtract_rows = 0;
5399                 int leftCol = XToCol(left);
5400                 int rightCol = XToCol(left+cw);
5401                 if (leftCol >= 0)
5402                 {
5403                     if (rightCol < 0) rightCol = m_numCols;
5404                     for (i=leftCol; i<rightCol; i++)
5405                     {
5406                         GetCellSize(m_dragRowOrCol, i, &cell_rows, &cell_cols);
5407                         if (cell_rows < subtract_rows)
5408                             subtract_rows = cell_rows;
5409                     }
5410                     rect.y = GetRowTop(m_dragRowOrCol + subtract_rows);
5411                     CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
5412                     rect.height = ch - rect.y;
5413                 }
5414             }
5415             m_gridWin->Refresh( FALSE, &rect );
5416         }
5417
5418         ShowCellEditControl();
5419     }
5420 }
5421
5422
5423 void wxGrid::DoEndDragResizeCol()
5424 {
5425     if ( m_dragLastPos >= 0 )
5426     {
5427         // erase the last line and resize the col
5428         //
5429         int cw, ch, dummy, top;
5430         m_gridWin->GetClientSize( &cw, &ch );
5431         CalcUnscrolledPosition( 0, 0, &dummy, &top );
5432
5433         wxClientDC dc( m_gridWin );
5434         PrepareDC( dc );
5435         dc.SetLogicalFunction( wxINVERT );
5436         dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top+ch );
5437         HideCellEditControl();
5438         SaveEditControlValue();
5439
5440         int colLeft = GetColLeft(m_dragRowOrCol);
5441         SetColSize( m_dragRowOrCol,
5442                     wxMax( m_dragLastPos - colLeft,
5443                            GetColMinimalWidth(m_dragRowOrCol) ) );
5444
5445         if ( !GetBatchCount() )
5446         {
5447             // Only needed to get the correct rect.x:
5448             wxRect rect ( CellToRect( 0, m_dragRowOrCol ) );
5449             rect.y = 0;
5450             CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
5451             rect.width = cw - rect.x;
5452             rect.height = m_colLabelHeight;
5453             m_colLabelWin->Refresh( TRUE, &rect );
5454             rect.height = ch;
5455             // if there is a multicell block, paint all of it
5456             if (m_table)
5457             {
5458                 int i, cell_rows, cell_cols, subtract_cols = 0;
5459                 int topRow = YToRow(top);
5460                 int bottomRow = YToRow(top+cw);
5461                 if (topRow >= 0)
5462                 {
5463                     if (bottomRow < 0) bottomRow = m_numRows;
5464                     for (i=topRow; i<bottomRow; i++)
5465                     {
5466                         GetCellSize(i, m_dragRowOrCol, &cell_rows, &cell_cols);
5467                         if (cell_cols < subtract_cols)
5468                             subtract_cols = cell_cols;
5469                     }
5470                     rect.x = GetColLeft(m_dragRowOrCol + subtract_cols);
5471                     CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
5472                     rect.width = cw - rect.x;
5473                 }
5474             }
5475             m_gridWin->Refresh( FALSE, &rect );
5476         }
5477
5478         ShowCellEditControl();
5479     }
5480 }
5481
5482
5483
5484 //
5485 // ------ interaction with data model
5486 //
5487 bool wxGrid::ProcessTableMessage( wxGridTableMessage& msg )
5488 {
5489     switch ( msg.GetId() )
5490     {
5491         case wxGRIDTABLE_REQUEST_VIEW_GET_VALUES:
5492             return GetModelValues();
5493
5494         case wxGRIDTABLE_REQUEST_VIEW_SEND_VALUES:
5495             return SetModelValues();
5496
5497         case wxGRIDTABLE_NOTIFY_ROWS_INSERTED:
5498         case wxGRIDTABLE_NOTIFY_ROWS_APPENDED:
5499         case wxGRIDTABLE_NOTIFY_ROWS_DELETED:
5500         case wxGRIDTABLE_NOTIFY_COLS_INSERTED:
5501         case wxGRIDTABLE_NOTIFY_COLS_APPENDED:
5502         case wxGRIDTABLE_NOTIFY_COLS_DELETED:
5503             return Redimension( msg );
5504
5505         default:
5506             return FALSE;
5507     }
5508 }
5509
5510
5511
5512 // The behaviour of this function depends on the grid table class
5513 // Clear() function.  For the default wxGridStringTable class the
5514 // behavious is to replace all cell contents with wxEmptyString but
5515 // not to change the number of rows or cols.
5516 //
5517 void wxGrid::ClearGrid()
5518 {
5519     if ( m_table )
5520     {
5521         if (IsCellEditControlEnabled())
5522             DisableCellEditControl();
5523
5524         m_table->Clear();
5525         if ( !GetBatchCount() ) m_gridWin->Refresh();
5526     }
5527 }
5528
5529
5530 bool wxGrid::InsertRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
5531 {
5532     // TODO: something with updateLabels flag
5533
5534     if ( !m_created )
5535     {
5536         wxFAIL_MSG( wxT("Called wxGrid::InsertRows() before calling CreateGrid()") );
5537         return FALSE;
5538     }
5539
5540     if ( m_table )
5541     {
5542         if (IsCellEditControlEnabled())
5543             DisableCellEditControl();
5544
5545         return m_table->InsertRows( pos, numRows );
5546
5547         // the table will have sent the results of the insert row
5548         // operation to this view object as a grid table message
5549     }
5550     return FALSE;
5551 }
5552
5553
5554 bool wxGrid::AppendRows( int numRows, bool WXUNUSED(updateLabels) )
5555 {
5556     // TODO: something with updateLabels flag
5557
5558     if ( !m_created )
5559     {
5560         wxFAIL_MSG( wxT("Called wxGrid::AppendRows() before calling CreateGrid()") );
5561         return FALSE;
5562     }
5563
5564     return ( m_table && m_table->AppendRows( numRows ) );
5565     // the table will have sent the results of the append row
5566     // operation to this view object as a grid table message
5567 }
5568
5569
5570 bool wxGrid::DeleteRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
5571 {
5572     // TODO: something with updateLabels flag
5573
5574     if ( !m_created )
5575     {
5576         wxFAIL_MSG( wxT("Called wxGrid::DeleteRows() before calling CreateGrid()") );
5577         return FALSE;
5578     }
5579
5580     if ( m_table )
5581     {
5582         if (IsCellEditControlEnabled())
5583             DisableCellEditControl();
5584
5585         return (m_table->DeleteRows( pos, numRows ));
5586         // the table will have sent the results of the delete row
5587         // operation to this view object as a grid table message
5588     }
5589     return FALSE;
5590 }
5591
5592
5593 bool wxGrid::InsertCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
5594 {
5595     // TODO: something with updateLabels flag
5596
5597     if ( !m_created )
5598     {
5599         wxFAIL_MSG( wxT("Called wxGrid::InsertCols() before calling CreateGrid()") );
5600         return FALSE;
5601     }
5602
5603     if ( m_table )
5604     {
5605         if (IsCellEditControlEnabled())
5606             DisableCellEditControl();
5607
5608         return m_table->InsertCols( pos, numCols );
5609         // the table will have sent the results of the insert col
5610         // operation to this view object as a grid table message
5611     }
5612     return FALSE;
5613 }
5614
5615
5616 bool wxGrid::AppendCols( int numCols, bool WXUNUSED(updateLabels) )
5617 {
5618     // TODO: something with updateLabels flag
5619
5620     if ( !m_created )
5621     {
5622         wxFAIL_MSG( wxT("Called wxGrid::AppendCols() before calling CreateGrid()") );
5623         return FALSE;
5624     }
5625
5626     return ( m_table && m_table->AppendCols( numCols ) );
5627     // the table will have sent the results of the append col
5628     // operation to this view object as a grid table message
5629 }
5630
5631
5632 bool wxGrid::DeleteCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
5633 {
5634     // TODO: something with updateLabels flag
5635
5636     if ( !m_created )
5637     {
5638         wxFAIL_MSG( wxT("Called wxGrid::DeleteCols() before calling CreateGrid()") );
5639         return FALSE;
5640     }
5641
5642     if ( m_table )
5643     {
5644         if (IsCellEditControlEnabled())
5645             DisableCellEditControl();
5646
5647         return ( m_table->DeleteCols( pos, numCols ) );
5648         // the table will have sent the results of the delete col
5649         // operation to this view object as a grid table message
5650     }
5651     return FALSE;
5652 }
5653
5654
5655
5656 //
5657 // ----- event handlers
5658 //
5659
5660 // Generate a grid event based on a mouse event and
5661 // return the result of ProcessEvent()
5662 //
5663 int wxGrid::SendEvent( const wxEventType type,
5664                         int row, int col,
5665                         wxMouseEvent& mouseEv )
5666 {
5667    bool claimed;
5668    bool vetoed= FALSE;
5669
5670    if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE )
5671    {
5672        int rowOrCol = (row == -1 ? col : row);
5673
5674        wxGridSizeEvent gridEvt( GetId(),
5675                type,
5676                this,
5677                rowOrCol,
5678                mouseEv.GetX() + GetRowLabelSize(),
5679                mouseEv.GetY() + GetColLabelSize(),
5680                mouseEv.ControlDown(),
5681                mouseEv.ShiftDown(),
5682                mouseEv.AltDown(),
5683                mouseEv.MetaDown() );
5684
5685        claimed = GetEventHandler()->ProcessEvent(gridEvt);
5686        vetoed = !gridEvt.IsAllowed();
5687    }
5688    else if ( type == wxEVT_GRID_RANGE_SELECT )
5689    {
5690        // Right now, it should _never_ end up here!
5691        wxGridRangeSelectEvent gridEvt( GetId(),
5692                type,
5693                this,
5694                m_selectingTopLeft,
5695                m_selectingBottomRight,
5696                TRUE,
5697                mouseEv.ControlDown(),
5698                mouseEv.ShiftDown(),
5699                mouseEv.AltDown(),
5700                mouseEv.MetaDown() );
5701
5702        claimed = GetEventHandler()->ProcessEvent(gridEvt);
5703        vetoed = !gridEvt.IsAllowed();
5704    }
5705    else
5706    {
5707        wxGridEvent gridEvt( GetId(),
5708                type,
5709                this,
5710                row, col,
5711                mouseEv.GetX() + GetRowLabelSize(),
5712                mouseEv.GetY() + GetColLabelSize(),
5713                FALSE,
5714                mouseEv.ControlDown(),
5715                mouseEv.ShiftDown(),
5716                mouseEv.AltDown(),
5717                mouseEv.MetaDown() );
5718        claimed = GetEventHandler()->ProcessEvent(gridEvt);
5719        vetoed = !gridEvt.IsAllowed();
5720    }
5721
5722    // A Veto'd event may not be `claimed' so test this first
5723    if (vetoed) return -1;
5724    return claimed ? 1 : 0;
5725 }
5726
5727
5728 // Generate a grid event of specified type and return the result
5729 // of ProcessEvent().
5730 //
5731 int wxGrid::SendEvent( const wxEventType type,
5732                         int row, int col )
5733 {
5734    bool claimed;
5735    bool vetoed= FALSE;
5736
5737     if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE )
5738     {
5739         int rowOrCol = (row == -1 ? col : row);
5740
5741         wxGridSizeEvent gridEvt( GetId(),
5742                                  type,
5743                                  this,
5744                                  rowOrCol );
5745
5746         claimed = GetEventHandler()->ProcessEvent(gridEvt);
5747         vetoed  = !gridEvt.IsAllowed();
5748     }
5749     else
5750     {
5751         wxGridEvent gridEvt( GetId(),
5752                              type,
5753                              this,
5754                              row, col );
5755
5756         claimed = GetEventHandler()->ProcessEvent(gridEvt);
5757         vetoed  = !gridEvt.IsAllowed();
5758      }
5759
5760     // A Veto'd event may not be `claimed' so test this first
5761     if (vetoed) return -1;
5762     return claimed ? 1 : 0;
5763 }
5764
5765
5766 void wxGrid::OnPaint( wxPaintEvent& WXUNUSED(event) )
5767 {
5768     wxPaintDC dc(this);  // needed to prevent zillions of paint events on MSW
5769 }
5770
5771 void wxGrid::Refresh(bool eraseb, const wxRect* rect)
5772 {
5773     // Don't do anything if between Begin/EndBatch...
5774     // EndBatch() will do all this on the last nested one anyway.
5775     if (! GetBatchCount())
5776     {
5777         // Refresh to get correct scrolled position:
5778         wxScrolledWindow::Refresh(eraseb,rect);
5779
5780         if (rect)
5781         {
5782             int rect_x, rect_y, rectWidth, rectHeight;
5783             int width_label, width_cell, height_label, height_cell;
5784             int x, y;
5785
5786             //Copy rectangle can get scroll offsets..
5787             rect_x = rect->GetX();
5788             rect_y = rect->GetY();
5789             rectWidth = rect->GetWidth();
5790             rectHeight = rect->GetHeight();
5791
5792             width_label = m_rowLabelWidth - rect_x;
5793             if (width_label > rectWidth) width_label = rectWidth;
5794
5795             height_label = m_colLabelHeight - rect_y;
5796             if (height_label > rectHeight) height_label = rectHeight;
5797
5798             if (rect_x > m_rowLabelWidth)
5799             {
5800                 x = rect_x - m_rowLabelWidth;
5801                 width_cell = rectWidth;
5802             }
5803             else
5804             {
5805                 x = 0;
5806                 width_cell = rectWidth - (m_rowLabelWidth - rect_x);
5807             }
5808
5809             if (rect_y > m_colLabelHeight)
5810             {
5811                 y = rect_y - m_colLabelHeight;
5812                 height_cell = rectHeight;
5813             }
5814             else
5815             {
5816                 y = 0;
5817                 height_cell = rectHeight - (m_colLabelHeight - rect_y);
5818             }
5819
5820             // Paint corner label part intersecting rect.
5821             if ( width_label > 0 && height_label > 0 )
5822             {
5823                 wxRect anotherrect(rect_x, rect_y, width_label, height_label);
5824                 m_cornerLabelWin->Refresh(eraseb, &anotherrect);
5825             }
5826
5827             // Paint col labels part intersecting rect.
5828             if ( width_cell > 0 && height_label > 0 )
5829             {
5830                 wxRect anotherrect(x, rect_y, width_cell, height_label);
5831                 m_colLabelWin->Refresh(eraseb, &anotherrect);
5832             }
5833
5834             // Paint row labels part intersecting rect.
5835             if ( width_label > 0 && height_cell > 0 )
5836             {
5837                 wxRect anotherrect(rect_x, y, width_label, height_cell);
5838                 m_rowLabelWin->Refresh(eraseb, &anotherrect);
5839             }
5840
5841             // Paint cell area part intersecting rect.
5842             if ( width_cell > 0 && height_cell > 0 )
5843             {
5844                 wxRect anotherrect(x, y, width_cell, height_cell);
5845                 m_gridWin->Refresh(eraseb, &anotherrect);
5846             }
5847         }
5848         else
5849         {
5850             m_cornerLabelWin->Refresh(eraseb, NULL);
5851             m_colLabelWin->Refresh(eraseb, NULL);
5852             m_rowLabelWin->Refresh(eraseb, NULL);
5853             m_gridWin->Refresh(eraseb, NULL);
5854         }
5855     }
5856 }
5857
5858 void wxGrid::OnSize( wxSizeEvent& event )
5859 {
5860     // position the child windows
5861     CalcWindowSizes();
5862
5863     // don't call CalcDimensions() from here, the base class handles the size
5864     // changes itself
5865     event.Skip();
5866 }
5867
5868
5869 void wxGrid::OnKeyDown( wxKeyEvent& event )
5870 {
5871     if ( m_inOnKeyDown )
5872     {
5873         // shouldn't be here - we are going round in circles...
5874         //
5875         wxFAIL_MSG( wxT("wxGrid::OnKeyDown called while already active") );
5876     }
5877
5878     m_inOnKeyDown = TRUE;
5879
5880     // propagate the event up and see if it gets processed
5881     //
5882     wxWindow *parent = GetParent();
5883     wxKeyEvent keyEvt( event );
5884     keyEvt.SetEventObject( parent );
5885
5886     if ( !parent->GetEventHandler()->ProcessEvent( keyEvt ) )
5887     {
5888
5889         // try local handlers
5890         //
5891         switch ( event.KeyCode() )
5892         {
5893             case WXK_UP:
5894                 if ( event.ControlDown() )
5895                 {
5896                     MoveCursorUpBlock( event.ShiftDown() );
5897                 }
5898                 else
5899                 {
5900                     MoveCursorUp( event.ShiftDown() );
5901                 }
5902                 break;
5903
5904             case WXK_DOWN:
5905                 if ( event.ControlDown() )
5906                 {
5907                     MoveCursorDownBlock( event.ShiftDown() );
5908                 }
5909                 else
5910                 {
5911                     MoveCursorDown( event.ShiftDown() );
5912                 }
5913                 break;
5914
5915             case WXK_LEFT:
5916                 if ( event.ControlDown() )
5917                 {
5918                     MoveCursorLeftBlock( event.ShiftDown() );
5919                 }
5920                 else
5921                 {
5922                     MoveCursorLeft( event.ShiftDown() );
5923                 }
5924                 break;
5925
5926             case WXK_RIGHT:
5927                 if ( event.ControlDown() )
5928                 {
5929                     MoveCursorRightBlock( event.ShiftDown() );
5930                 }
5931                 else
5932                 {
5933                     MoveCursorRight( event.ShiftDown() );
5934                 }
5935                 break;
5936
5937             case WXK_RETURN:
5938             case WXK_NUMPAD_ENTER:
5939                 if ( event.ControlDown() )
5940                 {
5941                     event.Skip();  // to let the edit control have the return
5942                 }
5943                 else
5944                 {
5945                     if ( GetGridCursorRow() < GetNumberRows()-1 )
5946                     {
5947                         MoveCursorDown( event.ShiftDown() );
5948                     }
5949                     else
5950                     {
5951                         // at the bottom of a column
5952                         HideCellEditControl();
5953                         SaveEditControlValue();
5954                     }
5955                 }
5956                 break;
5957
5958             case WXK_ESCAPE:
5959                 ClearSelection();
5960                 break;
5961
5962             case WXK_TAB:
5963                 if (event.ShiftDown())
5964                 {
5965                     if ( GetGridCursorCol() > 0 )
5966                     {
5967                         MoveCursorLeft( FALSE );
5968                     }
5969                     else
5970                     {
5971                         // at left of grid
5972                         HideCellEditControl();
5973                         SaveEditControlValue();
5974                     }
5975                 }
5976                 else
5977                 {
5978                     if ( GetGridCursorCol() < GetNumberCols()-1 )
5979                     {
5980                         MoveCursorRight( FALSE );
5981                     }
5982                     else
5983                     {
5984                         // at right of grid
5985                         HideCellEditControl();
5986                         SaveEditControlValue();
5987                     }
5988                 }
5989                 break;
5990
5991             case WXK_HOME:
5992                 if ( event.ControlDown() )
5993                 {
5994                     MakeCellVisible( 0, 0 );
5995                     SetCurrentCell( 0, 0 );
5996                 }
5997                 else
5998                 {
5999                     event.Skip();
6000                 }
6001                 break;
6002
6003             case WXK_END:
6004                 if ( event.ControlDown() )
6005                 {
6006                     MakeCellVisible( m_numRows-1, m_numCols-1 );
6007                     SetCurrentCell( m_numRows-1, m_numCols-1 );
6008                 }
6009                 else
6010                 {
6011                     event.Skip();
6012                 }
6013                 break;
6014
6015             case WXK_PRIOR:
6016                 MovePageUp();
6017                 break;
6018
6019             case WXK_NEXT:
6020                 MovePageDown();
6021                 break;
6022
6023             case WXK_SPACE:
6024                 if ( event.ControlDown() )
6025                 {
6026                     if ( m_selection )
6027                     {
6028                         m_selection->ToggleCellSelection( m_currentCellCoords.GetRow(),
6029                                                           m_currentCellCoords.GetCol(),
6030                                                           event.ControlDown(),
6031                                                           event.ShiftDown(),
6032                                                           event.AltDown(),
6033                                                           event.MetaDown() );
6034                     }
6035                     break;
6036                 }
6037                 if ( !IsEditable() )
6038                 {
6039                     MoveCursorRight( FALSE );
6040                     break;
6041                 }
6042                 // Otherwise fall through to default
6043
6044             default:
6045                 // is it possible to edit the current cell at all?
6046                 if ( !IsCellEditControlEnabled() && CanEnableCellControl() )
6047                 {
6048                     // yes, now check whether the cells editor accepts the key
6049                     int row = m_currentCellCoords.GetRow();
6050                     int col = m_currentCellCoords.GetCol();
6051                     wxGridCellAttr* attr = GetCellAttr(row, col);
6052                     wxGridCellEditor *editor = attr->GetEditor(this, row, col);
6053
6054                     // <F2> is special and will always start editing, for
6055                     // other keys - ask the editor itself
6056                     if ( (event.KeyCode() == WXK_F2 && !event.HasModifiers())
6057                          || editor->IsAcceptedKey(event) )
6058                     {
6059                         EnableCellEditControl();
6060
6061                         // the editor could be not shown for a variety of
6062                         // reasons (i.e. blocked by the app or whatever), so
6063                         // check if it really was created
6064                         if ( m_cellEditCtrlEnabled )
6065                         {
6066                             editor->StartingKey(event);
6067                         }
6068                     }
6069                     else
6070                     {
6071                         event.Skip();
6072                     }
6073
6074                     editor->DecRef();
6075                     attr->DecRef();
6076                 }
6077                 else
6078                 {
6079                     // let others process char events with modifiers or all
6080                     // char events for readonly cells
6081                     event.Skip();
6082                 }
6083                 break;
6084         }
6085     }
6086
6087     m_inOnKeyDown = FALSE;
6088 }
6089
6090 void wxGrid::OnKeyUp( wxKeyEvent& event )
6091 {
6092     // try local handlers
6093     //
6094     if ( event.KeyCode() == WXK_SHIFT )
6095     {
6096         if ( m_selectingTopLeft != wxGridNoCellCoords &&
6097              m_selectingBottomRight != wxGridNoCellCoords )
6098         {
6099             if ( m_selection )
6100             {
6101                 m_selection->SelectBlock( m_selectingTopLeft.GetRow(),
6102                                           m_selectingTopLeft.GetCol(),
6103                                           m_selectingBottomRight.GetRow(),
6104                                           m_selectingBottomRight.GetCol(),
6105                                           event.ControlDown(),
6106                                           TRUE,
6107                                           event.AltDown(),
6108                                           event.MetaDown() );
6109             }
6110         }
6111
6112         m_selectingTopLeft = wxGridNoCellCoords;
6113         m_selectingBottomRight = wxGridNoCellCoords;
6114         m_selectingKeyboard = wxGridNoCellCoords;
6115     }
6116 }
6117
6118 void wxGrid::OnEraseBackground(wxEraseEvent&)
6119 {
6120 }
6121
6122 void wxGrid::SetCurrentCell( const wxGridCellCoords& coords )
6123 {
6124     if ( SendEvent( wxEVT_GRID_SELECT_CELL, coords.GetRow(), coords.GetCol() ) )
6125     {
6126         // the event has been intercepted - do nothing
6127         return;
6128     }
6129
6130     wxClientDC dc(m_gridWin);
6131     PrepareDC(dc);
6132
6133     if ( m_currentCellCoords != wxGridNoCellCoords )
6134     {
6135         HideCellEditControl();
6136         DisableCellEditControl();
6137
6138         if ( IsVisible( m_currentCellCoords, FALSE ) )
6139         {
6140             wxRect r;
6141             r = BlockToDeviceRect(m_currentCellCoords, m_currentCellCoords);
6142             if ( !m_gridLinesEnabled )
6143             {
6144                 r.x--;
6145                 r.y--;
6146                 r.width++;
6147                 r.height++;
6148             }
6149
6150             wxGridCellCoordsArray cells = CalcCellsExposed( r );
6151
6152             // Otherwise refresh redraws the highlight!
6153             m_currentCellCoords = coords;
6154
6155             DrawGridCellArea(dc,cells);
6156             DrawAllGridLines( dc, r );
6157         }
6158     }
6159
6160     m_currentCellCoords = coords;
6161
6162     wxGridCellAttr* attr = GetCellAttr(coords);
6163     DrawCellHighlight(dc, attr);
6164     attr->DecRef();
6165 }
6166
6167
6168 void wxGrid::HighlightBlock( int topRow, int leftCol, int bottomRow, int rightCol )
6169 {
6170     int temp;
6171     wxGridCellCoords updateTopLeft, updateBottomRight;
6172
6173     if ( m_selection )
6174     {
6175         if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectRows )
6176         {
6177             leftCol = 0;
6178             rightCol = GetNumberCols() - 1;
6179         }
6180         else if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectColumns )
6181         {
6182             topRow = 0;
6183             bottomRow = GetNumberRows() - 1;
6184         }
6185     }
6186
6187     if ( topRow > bottomRow )
6188     {
6189         temp = topRow;
6190         topRow = bottomRow;
6191         bottomRow = temp;
6192     }
6193
6194     if ( leftCol > rightCol )
6195     {
6196         temp = leftCol;
6197         leftCol = rightCol;
6198         rightCol = temp;
6199     }
6200
6201     updateTopLeft = wxGridCellCoords( topRow, leftCol );
6202     updateBottomRight = wxGridCellCoords( bottomRow, rightCol );
6203
6204     // First the case that we selected a completely new area
6205     if ( m_selectingTopLeft == wxGridNoCellCoords ||
6206          m_selectingBottomRight == wxGridNoCellCoords )
6207     {
6208         wxRect rect;
6209         rect = BlockToDeviceRect( wxGridCellCoords ( topRow, leftCol ),
6210                                   wxGridCellCoords ( bottomRow, rightCol ) );
6211         m_gridWin->Refresh( FALSE, &rect );
6212     }
6213     // Now handle changing an existing selection area.
6214     else if ( m_selectingTopLeft != updateTopLeft ||
6215               m_selectingBottomRight != updateBottomRight )
6216     {
6217         // Compute two optimal update rectangles:
6218         // Either one rectangle is a real subset of the
6219         // other, or they are (almost) disjoint!
6220         wxRect  rect[4];
6221         bool    need_refresh[4];
6222         need_refresh[0] =
6223         need_refresh[1] =
6224         need_refresh[2] =
6225         need_refresh[3] = FALSE;
6226         int     i;
6227
6228         // Store intermediate values
6229         wxCoord oldLeft   = m_selectingTopLeft.GetCol();
6230         wxCoord oldTop    = m_selectingTopLeft.GetRow();
6231         wxCoord oldRight  = m_selectingBottomRight.GetCol();
6232         wxCoord oldBottom = m_selectingBottomRight.GetRow();
6233
6234         // Determine the outer/inner coordinates.
6235         if (oldLeft > leftCol)
6236         {
6237             temp = oldLeft;
6238             oldLeft = leftCol;
6239             leftCol = temp;
6240         }
6241         if (oldTop > topRow )
6242         {
6243             temp = oldTop;
6244             oldTop = topRow;
6245             topRow = temp;
6246         }
6247         if (oldRight < rightCol )
6248         {
6249             temp = oldRight;
6250             oldRight = rightCol;
6251             rightCol = temp;
6252         }
6253         if (oldBottom < bottomRow)
6254         {
6255             temp = oldBottom;
6256             oldBottom = bottomRow;
6257             bottomRow = temp;
6258         }
6259
6260         // Now, either the stuff marked old is the outer
6261         // rectangle or we don't have a situation where one
6262         // is contained in the other.
6263
6264         if ( oldLeft < leftCol )
6265         {
6266             // Refresh the newly selected or deselected
6267             // area to the left of the old or new selection.
6268             need_refresh[0] = TRUE;
6269             rect[0] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
6270                                                             oldLeft ),
6271                                          wxGridCellCoords ( oldBottom,
6272                                                             leftCol - 1 ) );
6273         }
6274
6275         if ( oldTop  < topRow )
6276         {
6277             // Refresh the newly selected or deselected
6278             // area above the old or new selection.
6279             need_refresh[1] = TRUE;
6280             rect[1] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
6281                                                             leftCol ),
6282                                          wxGridCellCoords ( topRow - 1,
6283                                                             rightCol ) );
6284         }
6285
6286         if ( oldRight > rightCol )
6287         {
6288             // Refresh the newly selected or deselected
6289             // area to the right of the old or new selection.
6290             need_refresh[2] = TRUE;
6291             rect[2] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
6292                                                             rightCol + 1 ),
6293                                          wxGridCellCoords ( oldBottom,
6294                                                             oldRight ) );
6295         }
6296
6297         if ( oldBottom > bottomRow )
6298         {
6299             // Refresh the newly selected or deselected
6300             // area below the old or new selection.
6301             need_refresh[3] = TRUE;
6302             rect[3] = BlockToDeviceRect( wxGridCellCoords ( bottomRow + 1,
6303                                                             leftCol ),
6304                                          wxGridCellCoords ( oldBottom,
6305                                                             rightCol ) );
6306         }
6307
6308         // various Refresh() calls
6309         for (i = 0; i < 4; i++ )
6310             if ( need_refresh[i] && rect[i] != wxGridNoCellRect )
6311                 m_gridWin->Refresh( FALSE, &(rect[i]) );
6312     }
6313     // Change Selection
6314     m_selectingTopLeft = updateTopLeft;
6315     m_selectingBottomRight = updateBottomRight;
6316 }
6317
6318 //
6319 // ------ functions to get/send data (see also public functions)
6320 //
6321
6322 bool wxGrid::GetModelValues()
6323 {
6324     // Hide the editor, so it won't hide a changed value.
6325     HideCellEditControl();
6326
6327     if ( m_table )
6328     {
6329         // all we need to do is repaint the grid
6330         //
6331         m_gridWin->Refresh();
6332         return TRUE;
6333     }
6334
6335     return FALSE;
6336 }
6337
6338
6339 bool wxGrid::SetModelValues()
6340 {
6341     int row, col;
6342
6343     // Disable the editor, so it won't hide a changed value.
6344     // Do we also want to save the current value of the editor first?
6345     // I think so ...
6346     DisableCellEditControl();
6347
6348     if ( m_table )
6349     {
6350         for ( row = 0;  row < m_numRows;  row++ )
6351         {
6352             for ( col = 0;  col < m_numCols;  col++ )
6353             {
6354                 m_table->SetValue( row, col, GetCellValue(row, col) );
6355             }
6356         }
6357
6358         return TRUE;
6359     }
6360
6361     return FALSE;
6362 }
6363
6364
6365
6366 // Note - this function only draws cells that are in the list of
6367 // exposed cells (usually set from the update region by
6368 // CalcExposedCells)
6369 //
6370 void wxGrid::DrawGridCellArea( wxDC& dc, const wxGridCellCoordsArray& cells )
6371 {
6372     if ( !m_numRows || !m_numCols ) return;
6373
6374     int i, j, k, l, numCells = cells.GetCount();
6375     int row, col, cell_rows, cell_cols;
6376     wxGridCellCoordsArray redrawCells;
6377
6378     for ( i = numCells-1; i >= 0;  i-- )
6379     {
6380         row = cells[i].GetRow();
6381         col = cells[i].GetCol();
6382         GetCellSize( row, col, &cell_rows, &cell_cols );
6383
6384         // If this cell is part of a multicell block, find owner for repaint
6385         if ( cell_rows <= 0 || cell_cols <= 0 )
6386         {
6387             wxGridCellCoords cell(row+cell_rows, col+cell_cols);
6388             bool marked = FALSE;
6389             for ( j = 0;  j < numCells;  j++ )
6390             {
6391                 if ( cell == cells[j] )
6392                 {
6393                     marked = TRUE;
6394                     break;
6395                 }
6396             }
6397             if (!marked)
6398             {
6399                 int count = redrawCells.GetCount();
6400                 for (j = 0; j < count; j++)
6401                 {
6402                     if ( cell == redrawCells[j] )
6403                     {
6404                         marked = TRUE;
6405                         break;
6406                     }
6407                 }
6408                 if (!marked) redrawCells.Add( cell );
6409             }
6410             continue; // don't bother drawing this cell
6411         }
6412
6413         // If this cell is empty, find cell to left that might want to overflow
6414         if (m_table && m_table->IsEmptyCell(row, col))
6415         {
6416             for ( l = 0; l < cell_rows; l++ )
6417             {
6418                 for (j = col-1; j >= 0; j--)
6419                 {
6420                     if (!m_table->IsEmptyCell(row+l, j))
6421                     {
6422                         if (GetCellOverflow(row+l, j))
6423                         {
6424                             wxGridCellCoords cell(row+l, j);
6425                             bool marked = FALSE;
6426
6427                             for (k = 0; k < numCells; k++)
6428                             {
6429                                 if ( cell == cells[k] )
6430                                 {
6431                                     marked = TRUE;
6432                                     break;
6433                                 }
6434                             }
6435                             if (!marked)
6436                             {
6437                                 int count = redrawCells.GetCount();
6438                                 for (k = 0; k < count; k++)
6439                                 {
6440                                     if ( cell == redrawCells[k] )
6441                                     {
6442                                         marked = TRUE;
6443                                         break;
6444                                     }
6445                                 }
6446                                 if (!marked) redrawCells.Add( cell );
6447                             }
6448                         }
6449                         break;
6450                     }
6451                 }
6452             }
6453         }
6454         DrawCell( dc, cells[i] );
6455     }
6456
6457     numCells = redrawCells.GetCount();
6458
6459     for ( i = numCells - 1; i >= 0;  i-- )
6460     {
6461         DrawCell( dc, redrawCells[i] );
6462     }
6463 }
6464
6465
6466 void wxGrid::DrawGridSpace( wxDC& dc )
6467 {
6468   int cw, ch;
6469   m_gridWin->GetClientSize( &cw, &ch );
6470
6471   int right, bottom;
6472   CalcUnscrolledPosition( cw, ch, &right, &bottom );
6473
6474   int rightCol = m_numCols > 0 ? GetColRight(m_numCols - 1) : 0;
6475   int bottomRow = m_numRows > 0 ? GetRowBottom(m_numRows - 1) : 0 ;
6476
6477   if ( right > rightCol || bottom > bottomRow )
6478   {
6479       int left, top;
6480       CalcUnscrolledPosition( 0, 0, &left, &top );
6481
6482       dc.SetBrush( wxBrush(GetDefaultCellBackgroundColour(), wxSOLID) );
6483       dc.SetPen( *wxTRANSPARENT_PEN );
6484
6485       if ( right > rightCol )
6486       {
6487           dc.DrawRectangle( rightCol, top, right - rightCol, ch);
6488       }
6489
6490       if ( bottom > bottomRow )
6491       {
6492           dc.DrawRectangle( left, bottomRow, cw, bottom - bottomRow);
6493       }
6494   }
6495 }
6496
6497
6498 void wxGrid::DrawCell( wxDC& dc, const wxGridCellCoords& coords )
6499 {
6500     int row = coords.GetRow();
6501     int col = coords.GetCol();
6502
6503     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
6504         return;
6505
6506     // we draw the cell border ourselves
6507 #if !WXGRID_DRAW_LINES
6508     if ( m_gridLinesEnabled )
6509         DrawCellBorder( dc, coords );
6510 #endif
6511
6512     wxGridCellAttr* attr = GetCellAttr(row, col);
6513
6514     bool isCurrent = coords == m_currentCellCoords;
6515
6516     wxRect rect = CellToRect( row, col );
6517
6518     // if the editor is shown, we should use it and not the renderer
6519     // Note: However, only if it is really _shown_, i.e. not hidden!
6520     if ( isCurrent && IsCellEditControlShown() )
6521     {
6522         wxGridCellEditor *editor = attr->GetEditor(this, row, col);
6523         editor->PaintBackground(rect, attr);
6524         editor->DecRef();
6525     }
6526     else
6527     {
6528         // but all the rest is drawn by the cell renderer and hence may be
6529         // customized
6530         wxGridCellRenderer *renderer = attr->GetRenderer(this, row, col);
6531         renderer->Draw(*this, *attr, dc, rect, row, col, IsInSelection(coords));
6532         renderer->DecRef();
6533     }
6534
6535     attr->DecRef();
6536 }
6537
6538 void wxGrid::DrawCellHighlight( wxDC& dc, const wxGridCellAttr *attr )
6539 {
6540     int row = m_currentCellCoords.GetRow();
6541     int col = m_currentCellCoords.GetCol();
6542
6543     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
6544         return;
6545
6546     wxRect rect = CellToRect(row, col);
6547
6548     // hmmm... what could we do here to show that the cell is disabled?
6549     // for now, I just draw a thinner border than for the other ones, but
6550     // it doesn't look really good
6551
6552     int penWidth = attr->IsReadOnly() ? m_cellHighlightROPenWidth : m_cellHighlightPenWidth;
6553
6554     if (penWidth > 0)
6555     {
6556         // The center of th drawn line is where the position/width/height of
6557         // the rectangle is actually at, (on wxMSW atr least,) so we will
6558         // reduce the size of the rectangle to compensate for the thickness of
6559         // the line.  If this is too strange on non wxMSW platforms then
6560         // please #ifdef this appropriately.
6561         rect.x += penWidth/2;
6562         rect.y += penWidth/2;
6563         rect.width -= penWidth-1;
6564         rect.height -= penWidth-1;
6565
6566
6567         // Now draw the rectangle
6568         dc.SetPen(wxPen(m_cellHighlightColour, penWidth, wxSOLID));
6569         dc.SetBrush(*wxTRANSPARENT_BRUSH);
6570         dc.DrawRectangle(rect);
6571     }
6572
6573 #if 0
6574         // VZ: my experiments with 3d borders...
6575
6576         // how to properly set colours for arbitrary bg?
6577         wxCoord x1 = rect.x,
6578                 y1 = rect.y,
6579                 x2 = rect.x + rect.width -1,
6580                 y2 = rect.y + rect.height -1;
6581
6582         dc.SetPen(*wxWHITE_PEN);
6583         dc.DrawLine(x1, y1, x2, y1);
6584         dc.DrawLine(x1, y1, x1, y2);
6585
6586         dc.DrawLine(x1 + 1, y2 - 1, x2 - 1, y2 - 1);
6587         dc.DrawLine(x2 - 1, y1 + 1, x2 - 1, y2 );
6588
6589         dc.SetPen(*wxBLACK_PEN);
6590         dc.DrawLine(x1, y2, x2, y2);
6591         dc.DrawLine(x2, y1, x2, y2+1);
6592 #endif // 0
6593 }
6594
6595
6596 void wxGrid::DrawCellBorder( wxDC& dc, const wxGridCellCoords& coords )
6597 {
6598     int row = coords.GetRow();
6599     int col = coords.GetCol();
6600     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
6601         return;
6602
6603     dc.SetPen( wxPen(GetGridLineColour(), 1, wxSOLID) );
6604
6605     wxRect rect = CellToRect( row, col );
6606
6607     // right hand border
6608     //
6609     dc.DrawLine( rect.x + rect.width, rect.y,
6610                  rect.x + rect.width, rect.y + rect.height + 1 );
6611
6612     // bottom border
6613     //
6614     dc.DrawLine( rect.x,              rect.y + rect.height,
6615                  rect.x + rect.width, rect.y + rect.height);
6616 }
6617
6618 void wxGrid::DrawHighlight(wxDC& dc,const  wxGridCellCoordsArray& cells)
6619 {
6620     // This if block was previously in wxGrid::OnPaint but that doesn't
6621     // seem to get called under wxGTK - MB
6622     //
6623     if ( m_currentCellCoords == wxGridNoCellCoords  &&
6624          m_numRows && m_numCols )
6625     {
6626         m_currentCellCoords.Set(0, 0);
6627     }
6628
6629     if ( IsCellEditControlShown() )
6630     {
6631         // don't show highlight when the edit control is shown
6632         return;
6633     }
6634
6635     // if the active cell was repainted, repaint its highlight too because it
6636     // might have been damaged by the grid lines
6637     size_t count = cells.GetCount();
6638     for ( size_t n = 0; n < count; n++ )
6639     {
6640         if ( cells[n] == m_currentCellCoords )
6641         {
6642             wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords);
6643             DrawCellHighlight(dc, attr);
6644             attr->DecRef();
6645
6646             break;
6647         }
6648     }
6649 }
6650
6651 // TODO: remove this ???
6652 // This is used to redraw all grid lines e.g. when the grid line colour
6653 // has been changed
6654 //
6655 void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & WXUNUSED(reg) )
6656 {
6657 #if !WXGRID_DRAW_LINES
6658     return;
6659 #endif
6660
6661     if ( !m_gridLinesEnabled ||
6662          !m_numRows ||
6663          !m_numCols ) return;
6664
6665     int top, bottom, left, right;
6666
6667 #if 0  //#ifndef __WXGTK__
6668     if (reg.IsEmpty())
6669     {
6670       int cw, ch;
6671       m_gridWin->GetClientSize(&cw, &ch);
6672
6673       // virtual coords of visible area
6674       //
6675       CalcUnscrolledPosition( 0, 0, &left, &top );
6676       CalcUnscrolledPosition( cw, ch, &right, &bottom );
6677     }
6678     else
6679     {
6680       wxCoord x, y, w, h;
6681       reg.GetBox(x, y, w, h);
6682       CalcUnscrolledPosition( x, y, &left, &top );
6683       CalcUnscrolledPosition( x + w, y + h, &right, &bottom );
6684     }
6685 #else
6686       int cw, ch;
6687       m_gridWin->GetClientSize(&cw, &ch);
6688       CalcUnscrolledPosition( 0, 0, &left, &top );
6689       CalcUnscrolledPosition( cw, ch, &right, &bottom );
6690 #endif
6691
6692     // avoid drawing grid lines past the last row and col
6693     //
6694     right = wxMin( right, GetColRight(m_numCols - 1) );
6695     bottom = wxMin( bottom, GetRowBottom(m_numRows - 1) );
6696
6697     // no gridlines inside multicells, clip them out
6698     int leftCol   = XToCol(left);
6699     int topRow    = YToRow(top);
6700     int rightCol  = XToCol(right);
6701     int bottomRow = YToRow(bottom);
6702     wxRegion clippedcells(0, 0, cw, ch);
6703
6704     if ((leftCol >= 0) && (topRow >= 0))
6705     {
6706         if (rightCol  < 0) rightCol  = m_numCols;
6707         if (bottomRow < 0) bottomRow = m_numRows;
6708
6709         int i, j, cell_rows, cell_cols;
6710         wxRect rect;
6711
6712         for (j=topRow; j<bottomRow; j++)
6713         {
6714             for (i=leftCol; i<rightCol; i++)
6715             {
6716                 GetCellSize( j, i, &cell_rows, &cell_cols );
6717                 if ((cell_rows > 1) || (cell_cols > 1))
6718                 {
6719                     rect = CellToRect(j,i);
6720                     CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
6721                     clippedcells.Subtract(rect);
6722                 }
6723                 else if ((cell_rows < 0) || (cell_cols < 0))
6724                 {
6725                     rect = CellToRect(j+cell_rows, i+cell_cols);
6726                     CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
6727                     clippedcells.Subtract(rect);
6728                 }
6729             }
6730         }
6731     }
6732     dc.SetClippingRegion( clippedcells );
6733
6734     dc.SetPen( wxPen(GetGridLineColour(), 1, wxSOLID) );
6735
6736     // horizontal grid lines
6737     //
6738     int i;
6739     for ( i = internalYToRow(top); i < m_numRows; i++ )
6740     {
6741         int bot = GetRowBottom(i) - 1;
6742
6743         if ( bot > bottom )
6744         {
6745             break;
6746         }
6747
6748         if ( bot >= top )
6749         {
6750             dc.DrawLine( left, bot, right, bot );
6751         }
6752     }
6753
6754
6755     // vertical grid lines
6756     //
6757     for ( i = internalXToCol(left); i < m_numCols; i++ )
6758     {
6759         int colRight = GetColRight(i) - 1;
6760         if ( colRight > right )
6761         {
6762             break;
6763         }
6764
6765         if ( colRight >= left )
6766         {
6767             dc.DrawLine( colRight, top, colRight, bottom );
6768         }
6769     }
6770     dc.DestroyClippingRegion();
6771 }
6772
6773
6774 void wxGrid::DrawRowLabels( wxDC& dc ,const wxArrayInt& rows)
6775 {
6776     if ( !m_numRows ) return;
6777
6778     size_t i;
6779     size_t numLabels = rows.GetCount();
6780
6781     for ( i = 0;  i < numLabels;  i++ )
6782     {
6783         DrawRowLabel( dc, rows[i] );
6784     }
6785 }
6786
6787
6788 void wxGrid::DrawRowLabel( wxDC& dc, int row )
6789 {
6790     if ( GetRowHeight(row) <= 0 )
6791         return;
6792
6793     int rowTop = GetRowTop(row),
6794         rowBottom = GetRowBottom(row) - 1;
6795
6796     dc.SetPen( *wxBLACK_PEN );
6797     dc.DrawLine( m_rowLabelWidth-1, rowTop,
6798                  m_rowLabelWidth-1, rowBottom );
6799
6800     dc.DrawLine( 0, rowBottom, m_rowLabelWidth-1, rowBottom );
6801
6802     dc.SetPen( *wxWHITE_PEN );
6803     dc.DrawLine( 0, rowTop, 0, rowBottom );
6804     dc.DrawLine( 0, rowTop, m_rowLabelWidth-1, rowTop );
6805
6806     dc.SetBackgroundMode( wxTRANSPARENT );
6807     dc.SetTextForeground( GetLabelTextColour() );
6808     dc.SetFont( GetLabelFont() );
6809
6810     int hAlign, vAlign;
6811     GetRowLabelAlignment( &hAlign, &vAlign );
6812
6813     wxRect rect;
6814     rect.SetX( 2 );
6815     rect.SetY( GetRowTop(row) + 2 );
6816     rect.SetWidth( m_rowLabelWidth - 4 );
6817     rect.SetHeight( GetRowHeight(row) - 4 );
6818     DrawTextRectangle( dc, GetRowLabelValue( row ), rect, hAlign, vAlign );
6819 }
6820
6821
6822 void wxGrid::DrawColLabels( wxDC& dc,const wxArrayInt& cols )
6823 {
6824     if ( !m_numCols ) return;
6825
6826     size_t i;
6827     size_t numLabels = cols.GetCount();
6828
6829     for ( i = 0;  i < numLabels;  i++ )
6830     {
6831         DrawColLabel( dc, cols[i] );
6832     }
6833 }
6834
6835
6836 void wxGrid::DrawColLabel( wxDC& dc, int col )
6837 {
6838     if ( GetColWidth(col) <= 0 )
6839         return;
6840
6841     int colLeft = GetColLeft(col),
6842         colRight = GetColRight(col) - 1;
6843
6844     dc.SetPen( *wxBLACK_PEN );
6845     dc.DrawLine( colRight, 0,
6846                  colRight, m_colLabelHeight-1 );
6847
6848     dc.DrawLine( colLeft, m_colLabelHeight-1,
6849                  colRight, m_colLabelHeight-1 );
6850
6851     dc.SetPen( *wxWHITE_PEN );
6852     dc.DrawLine( colLeft, 0, colLeft, m_colLabelHeight-1 );
6853     dc.DrawLine( colLeft, 0, colRight, 0 );
6854
6855     dc.SetBackgroundMode( wxTRANSPARENT );
6856     dc.SetTextForeground( GetLabelTextColour() );
6857     dc.SetFont( GetLabelFont() );
6858
6859     dc.SetBackgroundMode( wxTRANSPARENT );
6860     dc.SetTextForeground( GetLabelTextColour() );
6861     dc.SetFont( GetLabelFont() );
6862
6863     int hAlign, vAlign;
6864     GetColLabelAlignment( &hAlign, &vAlign );
6865
6866     wxRect rect;
6867     rect.SetX( colLeft + 2 );
6868     rect.SetY( 2 );
6869     rect.SetWidth( GetColWidth(col) - 4 );
6870     rect.SetHeight( m_colLabelHeight - 4 );
6871     DrawTextRectangle( dc, GetColLabelValue( col ), rect, hAlign, vAlign );
6872 }
6873
6874 void wxGrid::DrawTextRectangle( wxDC& dc,
6875                                 const wxString& value,
6876                                 const wxRect& rect,
6877                                 int horizAlign,
6878                                 int vertAlign )
6879 {
6880     wxArrayString lines;
6881
6882     StringToLines( value, lines );
6883
6884
6885     //Forward to new API.
6886     DrawTextRectangle(  dc,
6887                         lines,
6888                         rect,
6889                         horizAlign,
6890                         vertAlign );
6891
6892 }
6893
6894 void wxGrid::DrawTextRectangle( wxDC& dc,
6895                                 const wxArrayString& lines,
6896                                 const wxRect& rect,
6897                                 int horizAlign,
6898                                 int vertAlign )
6899 {
6900     long textWidth, textHeight;
6901     long lineWidth, lineHeight;
6902
6903     dc.SetClippingRegion( rect );
6904     if ( lines.GetCount() )
6905     {
6906         GetTextBoxSize( dc, lines, &textWidth, &textHeight );
6907         dc.GetTextExtent( lines[0], &lineWidth, &lineHeight );
6908
6909         float x, y;
6910         switch ( horizAlign )
6911         {
6912             case wxALIGN_RIGHT:
6913                 x = rect.x + (rect.width - textWidth - 1);
6914                 break;
6915
6916             case wxALIGN_CENTRE:
6917                 x = rect.x + ((rect.width - textWidth)/2);
6918                 break;
6919
6920             case wxALIGN_LEFT:
6921             default:
6922                 x = rect.x + 1;
6923                 break;
6924         }
6925
6926         switch ( vertAlign )
6927         {
6928             case wxALIGN_BOTTOM:
6929                 y = rect.y + (rect.height - textHeight - 1);
6930                 break;
6931
6932             case wxALIGN_CENTRE:
6933                 y = rect.y + ((rect.height - textHeight)/2);
6934                 break;
6935
6936             case wxALIGN_TOP:
6937             default:
6938                 y = rect.y + 1;
6939                 break;
6940         }
6941
6942         for ( size_t i = 0;  i < lines.GetCount();  i++ )
6943         {
6944             dc.DrawText( lines[i], (int)x, (int)y );
6945             y += lineHeight;
6946         }
6947     }
6948
6949     dc.DestroyClippingRegion();
6950 }
6951
6952
6953 // Split multi line text up into an array of strings.  Any existing
6954 // contents of the string array are preserved.
6955 //
6956 void wxGrid::StringToLines( const wxString& value, wxArrayString& lines )
6957 {
6958     int startPos = 0;
6959     int pos;
6960     wxString eol = wxTextFile::GetEOL( wxTextFileType_Unix );
6961     wxString tVal = wxTextFile::Translate( value, wxTextFileType_Unix );
6962
6963     while ( startPos < (int)tVal.Length() )
6964     {
6965         pos = tVal.Mid(startPos).Find( eol );
6966         if ( pos < 0 )
6967         {
6968             break;
6969         }
6970         else if ( pos == 0 )
6971         {
6972             lines.Add( wxEmptyString );
6973         }
6974         else
6975         {
6976             lines.Add( value.Mid(startPos, pos) );
6977         }
6978         startPos += pos+1;
6979     }
6980     if ( startPos < (int)value.Length() )
6981     {
6982         lines.Add( value.Mid( startPos ) );
6983     }
6984 }
6985
6986
6987 void wxGrid::GetTextBoxSize( wxDC& dc,
6988                              const wxArrayString& lines,
6989                              long *width, long *height )
6990 {
6991     long w = 0;
6992     long h = 0;
6993     long lineW, lineH;
6994
6995     size_t i;
6996     for ( i = 0;  i < lines.GetCount();  i++ )
6997     {
6998         dc.GetTextExtent( lines[i], &lineW, &lineH );
6999         w = wxMax( w, lineW );
7000         h += lineH;
7001     }
7002
7003     *width = w;
7004     *height = h;
7005 }
7006
7007 //
7008 // ------ Batch processing.
7009 //
7010 void wxGrid::EndBatch()
7011 {
7012     if ( m_batchCount > 0 )
7013     {
7014         m_batchCount--;
7015         if ( !m_batchCount )
7016         {
7017             CalcDimensions();
7018             m_rowLabelWin->Refresh();
7019             m_colLabelWin->Refresh();
7020             m_cornerLabelWin->Refresh();
7021             m_gridWin->Refresh();
7022         }
7023     }
7024 }
7025
7026 // Use this, rather than wxWindow::Refresh(), to force an immediate
7027 // repainting of the grid. Has no effect if you are already inside a
7028 // BeginBatch / EndBatch block.
7029 //
7030 void wxGrid::ForceRefresh()
7031 {
7032     BeginBatch();
7033     EndBatch();
7034 }
7035
7036
7037 //
7038 // ------ Edit control functions
7039 //
7040
7041
7042 void wxGrid::EnableEditing( bool edit )
7043 {
7044     // TODO: improve this ?
7045     //
7046     if ( edit != m_editable )
7047     {
7048         if(!edit) EnableCellEditControl(edit);
7049         m_editable = edit;
7050     }
7051 }
7052
7053
7054 void wxGrid::EnableCellEditControl( bool enable )
7055 {
7056     if (! m_editable)
7057         return;
7058
7059     if ( m_currentCellCoords == wxGridNoCellCoords )
7060         SetCurrentCell( 0, 0 );
7061
7062     if ( enable != m_cellEditCtrlEnabled )
7063     {
7064         if ( enable )
7065         {
7066             if (SendEvent( wxEVT_GRID_EDITOR_SHOWN) <0)
7067                 return;
7068
7069             // this should be checked by the caller!
7070             wxASSERT_MSG( CanEnableCellControl(),
7071                           _T("can't enable editing for this cell!") );
7072
7073             // do it before ShowCellEditControl()
7074             m_cellEditCtrlEnabled = enable;
7075
7076             ShowCellEditControl();
7077         }
7078         else
7079         {
7080             //FIXME:add veto support
7081             SendEvent( wxEVT_GRID_EDITOR_HIDDEN);
7082
7083             HideCellEditControl();
7084             SaveEditControlValue();
7085
7086             // do it after HideCellEditControl()
7087             m_cellEditCtrlEnabled = enable;
7088         }
7089     }
7090 }
7091
7092 bool wxGrid::IsCurrentCellReadOnly() const
7093 {
7094     // const_cast
7095     wxGridCellAttr* attr = ((wxGrid *)this)->GetCellAttr(m_currentCellCoords);
7096     bool readonly = attr->IsReadOnly();
7097     attr->DecRef();
7098
7099     return readonly;
7100 }
7101
7102 bool wxGrid::CanEnableCellControl() const
7103 {
7104     return m_editable && !IsCurrentCellReadOnly();
7105 }
7106
7107 bool wxGrid::IsCellEditControlEnabled() const
7108 {
7109     // the cell edit control might be disable for all cells or just for the
7110     // current one if it's read only
7111     return m_cellEditCtrlEnabled ? !IsCurrentCellReadOnly() : FALSE;
7112 }
7113
7114 bool wxGrid::IsCellEditControlShown() const
7115 {
7116     bool isShown = FALSE;
7117
7118     if ( m_cellEditCtrlEnabled )
7119     {
7120         int row = m_currentCellCoords.GetRow();
7121         int col = m_currentCellCoords.GetCol();
7122         wxGridCellAttr* attr = GetCellAttr(row, col);
7123         wxGridCellEditor* editor = attr->GetEditor((wxGrid*) this, row, col);
7124         attr->DecRef();
7125
7126         if ( editor )
7127         {
7128             if ( editor->IsCreated() )
7129             {
7130                 isShown = editor->GetControl()->IsShown();
7131             }
7132
7133             editor->DecRef();
7134         }
7135     }
7136
7137     return isShown;
7138 }
7139
7140 void wxGrid::ShowCellEditControl()
7141 {
7142     if ( IsCellEditControlEnabled() )
7143     {
7144         if ( !IsVisible( m_currentCellCoords ) )
7145         {
7146             m_cellEditCtrlEnabled = FALSE;
7147             return;
7148         }
7149         else
7150         {
7151             wxRect rect = CellToRect( m_currentCellCoords );
7152             int row = m_currentCellCoords.GetRow();
7153             int col = m_currentCellCoords.GetCol();
7154
7155             // if this is part of a multicell, find owner (topleft)
7156             int cell_rows, cell_cols;
7157             GetCellSize( row, col, &cell_rows, &cell_cols );
7158             if ( cell_rows <= 0 || cell_cols <= 0 )
7159             {
7160                 row += cell_rows;
7161                 col += cell_cols;
7162                 m_currentCellCoords.SetRow( row );
7163                 m_currentCellCoords.SetCol( col );
7164             }
7165
7166             // convert to scrolled coords
7167             //
7168             CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
7169
7170             // done in PaintBackground()
7171 #if 0
7172             // erase the highlight and the cell contents because the editor
7173             // might not cover the entire cell
7174             wxClientDC dc( m_gridWin );
7175             PrepareDC( dc );
7176             dc.SetBrush(*wxLIGHT_GREY_BRUSH); //wxBrush(attr->GetBackgroundColour(), wxSOLID));
7177             dc.SetPen(*wxTRANSPARENT_PEN);
7178             dc.DrawRectangle(rect);
7179 #endif // 0
7180
7181             // cell is shifted by one pixel
7182             // However, don't allow x or y to become negative
7183             // since the SetSize() method interprets that as
7184             // "don't change."
7185             if (rect.x > 0)
7186                 rect.x--;
7187             if (rect.y > 0)
7188                 rect.y--;
7189
7190             wxGridCellAttr* attr = GetCellAttr(row, col);
7191             wxGridCellEditor* editor = attr->GetEditor(this, row, col);
7192             if ( !editor->IsCreated() )
7193             {
7194                 editor->Create(m_gridWin, -1,
7195                                new wxGridCellEditorEvtHandler(this, editor));
7196
7197                 wxGridEditorCreatedEvent evt(GetId(),
7198                                              wxEVT_GRID_EDITOR_CREATED,
7199                                              this,
7200                                              row,
7201                                              col,
7202                                              editor->GetControl());
7203                 GetEventHandler()->ProcessEvent(evt);
7204             }
7205
7206             editor->Show( TRUE, attr );
7207
7208             // resize editor to overflow into righthand cells if allowed
7209             wxString value = GetCellValue(row, col);
7210             if ( (value != wxEmptyString) && (attr->GetOverflow()) )
7211             {
7212                 wxClientDC dc(m_gridWin);
7213                 wxCoord y = 0, best_width = 0;
7214                 dc.SetFont(attr->GetFont());
7215                 dc.GetTextExtent(value, &best_width, &y);
7216
7217                 int cell_rows, cell_cols;
7218                 attr->GetSize( &cell_rows, &cell_cols );
7219
7220                 if ((best_width > rect.width) && (col < m_numCols) && m_table)
7221                 {
7222                     int i;
7223                     for (i = col+cell_cols; i < m_numCols; i++)
7224                     {
7225                         if (m_table->IsEmptyCell(row,i))
7226                         {
7227                             rect.width += GetColWidth(i);
7228                             if (rect.width >= best_width) break;
7229                         }
7230                         else
7231                             break;
7232                     }
7233                 }
7234             }
7235             editor->SetSize( rect );
7236
7237             editor->BeginEdit(row, col, this);
7238
7239             editor->DecRef();
7240             attr->DecRef();
7241          }
7242     }
7243 }
7244
7245
7246 void wxGrid::HideCellEditControl()
7247 {
7248     if ( IsCellEditControlEnabled() )
7249     {
7250         int row = m_currentCellCoords.GetRow();
7251         int col = m_currentCellCoords.GetCol();
7252
7253         wxGridCellAttr* attr = GetCellAttr(row, col);
7254         wxGridCellEditor *editor = attr->GetEditor(this, row, col);
7255         editor->Show( FALSE );
7256         editor->DecRef();
7257         attr->DecRef();
7258         m_gridWin->SetFocus();
7259         // refresh whole row to the right
7260         wxRect rect( CellToRect(row, col) );
7261         CalcScrolledPosition(rect.x, rect.y, &rect.x, &rect.y );
7262         rect.width = m_gridWin->GetClientSize().GetWidth() - rect.x;
7263         m_gridWin->Refresh( FALSE, &rect );
7264     }
7265 }
7266
7267
7268 void wxGrid::SaveEditControlValue()
7269 {
7270     if ( IsCellEditControlEnabled() )
7271     {
7272         int row = m_currentCellCoords.GetRow();
7273         int col = m_currentCellCoords.GetCol();
7274
7275         wxString oldval = GetCellValue(row,col);
7276
7277         wxGridCellAttr* attr = GetCellAttr(row, col);
7278         wxGridCellEditor* editor = attr->GetEditor(this, row, col);
7279         bool changed = editor->EndEdit(row, col, this);
7280
7281         editor->DecRef();
7282         attr->DecRef();
7283
7284         if (changed)
7285         {
7286             if ( SendEvent( wxEVT_GRID_CELL_CHANGE,
7287                        m_currentCellCoords.GetRow(),
7288                        m_currentCellCoords.GetCol() ) < 0 ) {
7289
7290                 // Event has been vetoed, set the data back.
7291                 SetCellValue(row,col,oldval);
7292             }
7293         }
7294     }
7295 }
7296
7297
7298 //
7299 // ------ Grid location functions
7300 //  Note that all of these functions work with the logical coordinates of
7301 //  grid cells and labels so you will need to convert from device
7302 //  coordinates for mouse events etc.
7303 //
7304
7305 void wxGrid::XYToCell( int x, int y, wxGridCellCoords& coords )
7306 {
7307     int row = YToRow(y);
7308     int col = XToCol(x);
7309
7310     if ( row == -1  ||  col == -1 )
7311     {
7312         coords = wxGridNoCellCoords;
7313     }
7314     else
7315     {
7316         coords.Set( row, col );
7317     }
7318 }
7319
7320
7321 // Internal Helper function for computing row or column from some
7322 // (unscrolled) coordinate value, using either
7323 // m_defaultRowHeight/m_defaultColWidth or binary search on array
7324 // of m_rowBottoms/m_ColRights to speed up the search!
7325
7326 static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
7327                            const wxArrayInt& BorderArray, int nMax,
7328                            bool maxOnOverflow)
7329 {
7330     if (!defaultDist)
7331         defaultDist = 1;
7332     size_t i_max = coord / defaultDist,
7333            i_min = 0;
7334     if (BorderArray.IsEmpty())
7335     {
7336         if((int) i_max <= nMax)
7337             return i_max;
7338         return maxOnOverflow ? (int)i_max : -1;
7339     }
7340
7341     if ( i_max >= BorderArray.GetCount())
7342         i_max = BorderArray.GetCount() - 1;
7343     else
7344     {
7345         if ( coord >= BorderArray[i_max])
7346         {
7347             i_min = i_max;
7348             i_max = coord / minDist;
7349         }
7350         if ( i_max >= BorderArray.GetCount())
7351             i_max = BorderArray.GetCount() - 1;
7352     }
7353     if ( coord >= BorderArray[i_max])
7354         return maxOnOverflow ? (int)i_max : -1;
7355     if ( coord < BorderArray[0] )
7356         return 0;
7357
7358     while ( i_max - i_min > 0 )
7359     {
7360         wxCHECK_MSG(BorderArray[i_min] <= coord && coord < BorderArray[i_max],
7361                     0, _T("wxGrid: internal error in CoordToRowOrCol"));
7362         if (coord >=  BorderArray[ i_max - 1])
7363             return i_max;
7364         else
7365             i_max--;
7366         int median = i_min + (i_max - i_min + 1) / 2;
7367         if (coord < BorderArray[median])
7368             i_max = median;
7369         else
7370             i_min = median;
7371     }
7372     return i_max;
7373 }
7374
7375 int wxGrid::YToRow( int y )
7376 {
7377     return CoordToRowOrCol(y, m_defaultRowHeight,
7378                            WXGRID_MIN_ROW_HEIGHT, m_rowBottoms, m_numRows, FALSE);
7379 }
7380
7381
7382 int wxGrid::XToCol( int x )
7383 {
7384     return CoordToRowOrCol(x, m_defaultColWidth,
7385                            WXGRID_MIN_COL_WIDTH, m_colRights, m_numCols, FALSE);
7386 }
7387
7388
7389 // return the row number that that the y coord is near the edge of, or
7390 // -1 if not near an edge
7391 //
7392 int wxGrid::YToEdgeOfRow( int y )
7393 {
7394     int i;
7395     i = internalYToRow(y);
7396
7397     if ( GetRowHeight(i) > WXGRID_LABEL_EDGE_ZONE )
7398     {
7399         // We know that we are in row i, test whether we are
7400         // close enough to lower or upper border, respectively.
7401         if ( abs(GetRowBottom(i) - y) < WXGRID_LABEL_EDGE_ZONE )
7402             return i;
7403         else if( i > 0 && y - GetRowTop(i) < WXGRID_LABEL_EDGE_ZONE )
7404             return i - 1;
7405     }
7406
7407     return -1;
7408 }
7409
7410
7411 // return the col number that that the x coord is near the edge of, or
7412 // -1 if not near an edge
7413 //
7414 int wxGrid::XToEdgeOfCol( int x )
7415 {
7416     int i;
7417     i = internalXToCol(x);
7418
7419     if ( GetColWidth(i) > WXGRID_LABEL_EDGE_ZONE )
7420     {
7421         // We know that we are in column i,  test whether we are
7422         // close enough to right or left border, respectively.
7423         if ( abs(GetColRight(i) - x) < WXGRID_LABEL_EDGE_ZONE )
7424             return i;
7425         else if( i > 0 && x - GetColLeft(i) < WXGRID_LABEL_EDGE_ZONE )
7426             return i - 1;
7427     }
7428
7429     return -1;
7430 }
7431
7432
7433 wxRect wxGrid::CellToRect( int row, int col )
7434 {
7435     wxRect rect( -1, -1, -1, -1 );
7436
7437     if ( row >= 0  &&  row < m_numRows  &&
7438          col >= 0  &&  col < m_numCols )
7439     {
7440         int i, cell_rows, cell_cols;
7441         rect.width = rect.height = 0;
7442         GetCellSize( row, col, &cell_rows, &cell_cols );
7443         // if negative then find multicell owner
7444         if (cell_rows < 0) row += cell_rows;
7445         if (cell_cols < 0) col += cell_cols;
7446         GetCellSize( row, col, &cell_rows, &cell_cols );
7447
7448         rect.x = GetColLeft(col);
7449         rect.y = GetRowTop(row);
7450         for (i=col; i<col+cell_cols; i++)
7451             rect.width  += GetColWidth(i);
7452         for (i=row; i<row+cell_rows; i++)
7453             rect.height += GetRowHeight(i);
7454     }
7455
7456     // if grid lines are enabled, then the area of the cell is a bit smaller
7457     if (m_gridLinesEnabled) {
7458         rect.width -= 1;
7459         rect.height -= 1;
7460     }
7461     return rect;
7462 }
7463
7464
7465 bool wxGrid::IsVisible( int row, int col, bool wholeCellVisible )
7466 {
7467     // get the cell rectangle in logical coords
7468     //
7469     wxRect r( CellToRect( row, col ) );
7470
7471     // convert to device coords
7472     //
7473     int left, top, right, bottom;
7474     CalcScrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
7475     CalcScrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
7476
7477     // check against the client area of the grid window
7478     //
7479     int cw, ch;
7480     m_gridWin->GetClientSize( &cw, &ch );
7481
7482     if ( wholeCellVisible )
7483     {
7484         // is the cell wholly visible ?
7485         //
7486         return ( left >= 0  &&  right <= cw  &&
7487                  top >= 0  &&  bottom <= ch );
7488     }
7489     else
7490     {
7491         // is the cell partly visible ?
7492         //
7493         return ( ((left >=0 && left < cw) || (right > 0 && right <= cw))  &&
7494                  ((top >=0 && top < ch) || (bottom > 0 && bottom <= ch)) );
7495     }
7496 }
7497
7498
7499 // make the specified cell location visible by doing a minimal amount
7500 // of scrolling
7501 //
7502 void wxGrid::MakeCellVisible( int row, int col )
7503 {
7504
7505     int i;
7506     int xpos = -1, ypos = -1;
7507
7508     if ( row >= 0  &&  row < m_numRows  &&
7509          col >= 0  &&  col < m_numCols )
7510     {
7511         // get the cell rectangle in logical coords
7512         //
7513         wxRect r( CellToRect( row, col ) );
7514
7515         // convert to device coords
7516         //
7517         int left, top, right, bottom;
7518         CalcScrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
7519         CalcScrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
7520
7521         int cw, ch;
7522         m_gridWin->GetClientSize( &cw, &ch );
7523
7524         if ( top < 0 )
7525         {
7526             ypos = r.GetTop();
7527         }
7528         else if ( bottom > ch )
7529         {
7530             int h = r.GetHeight();
7531             ypos = r.GetTop();
7532             for ( i = row-1;  i >= 0;  i-- )
7533             {
7534                 int rowHeight = GetRowHeight(i);
7535                 if ( h + rowHeight > ch )
7536                     break;
7537
7538                 h += rowHeight;
7539                 ypos -= rowHeight;
7540             }
7541
7542             // we divide it later by GRID_SCROLL_LINE, make sure that we don't
7543             // have rounding errors (this is important, because if we do, we
7544             // might not scroll at all and some cells won't be redrawn)
7545             //
7546             // Sometimes GRID_SCROLL_LINE/2 is not enough, so just add a full
7547             // scroll unit...
7548             ypos += GRID_SCROLL_LINE_Y;
7549         }
7550
7551         if ( left < 0 )
7552         {
7553             xpos = r.GetLeft();
7554         }
7555         else if ( right > cw )
7556         {
7557             int w = r.GetWidth();
7558             xpos = r.GetLeft();
7559             for ( i = col-1;  i >= 0;  i-- )
7560             {
7561                 int colWidth = GetColWidth(i);
7562                 if ( w + colWidth > cw )
7563                     break;
7564
7565                 w += colWidth;
7566                 xpos -= colWidth;
7567             }
7568
7569             // see comment for ypos above
7570             xpos += GRID_SCROLL_LINE_X;
7571         }
7572
7573         if ( xpos != -1  ||  ypos != -1 )
7574         {
7575             if ( xpos != -1 )
7576                 xpos /= GRID_SCROLL_LINE_X;
7577             if ( ypos != -1 )
7578                 ypos /= GRID_SCROLL_LINE_Y;
7579             Scroll( xpos, ypos );
7580             AdjustScrollbars();
7581         }
7582     }
7583 }
7584
7585
7586 //
7587 // ------ Grid cursor movement functions
7588 //
7589
7590 bool wxGrid::MoveCursorUp( bool expandSelection )
7591 {
7592     if ( m_currentCellCoords != wxGridNoCellCoords  &&
7593          m_currentCellCoords.GetRow() >= 0 )
7594     {
7595         if ( expandSelection)
7596         {
7597             if ( m_selectingKeyboard == wxGridNoCellCoords )
7598                 m_selectingKeyboard = m_currentCellCoords;
7599             if ( m_selectingKeyboard.GetRow() > 0 )
7600             {
7601                 m_selectingKeyboard.SetRow( m_selectingKeyboard.GetRow() - 1 );
7602                 MakeCellVisible( m_selectingKeyboard.GetRow(),
7603                                  m_selectingKeyboard.GetCol() );
7604                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7605             }
7606         }
7607         else if ( m_currentCellCoords.GetRow() > 0 )
7608         {
7609             ClearSelection();
7610             MakeCellVisible( m_currentCellCoords.GetRow() - 1,
7611                              m_currentCellCoords.GetCol() );
7612             SetCurrentCell( m_currentCellCoords.GetRow() - 1,
7613                             m_currentCellCoords.GetCol() );
7614         }
7615         else
7616             return FALSE;
7617         return TRUE;
7618     }
7619
7620     return FALSE;
7621 }
7622
7623
7624 bool wxGrid::MoveCursorDown( bool expandSelection )
7625 {
7626     if ( m_currentCellCoords != wxGridNoCellCoords  &&
7627          m_currentCellCoords.GetRow() < m_numRows )
7628     {
7629         if ( expandSelection )
7630         {
7631             if ( m_selectingKeyboard == wxGridNoCellCoords )
7632                 m_selectingKeyboard = m_currentCellCoords;
7633             if ( m_selectingKeyboard.GetRow() < m_numRows-1 )
7634             {
7635                 m_selectingKeyboard.SetRow( m_selectingKeyboard.GetRow() + 1 );
7636                 MakeCellVisible( m_selectingKeyboard.GetRow(),
7637                         m_selectingKeyboard.GetCol() );
7638                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7639             }
7640         }
7641         else if ( m_currentCellCoords.GetRow() < m_numRows - 1 )
7642         {
7643             ClearSelection();
7644             MakeCellVisible( m_currentCellCoords.GetRow() + 1,
7645                              m_currentCellCoords.GetCol() );
7646             SetCurrentCell( m_currentCellCoords.GetRow() + 1,
7647                             m_currentCellCoords.GetCol() );
7648         }
7649         else
7650             return FALSE;
7651         return TRUE;
7652     }
7653
7654     return FALSE;
7655 }
7656
7657
7658 bool wxGrid::MoveCursorLeft( bool expandSelection )
7659 {
7660     if ( m_currentCellCoords != wxGridNoCellCoords  &&
7661          m_currentCellCoords.GetCol() >= 0 )
7662     {
7663         if ( expandSelection )
7664         {
7665             if ( m_selectingKeyboard == wxGridNoCellCoords )
7666                 m_selectingKeyboard = m_currentCellCoords;
7667             if ( m_selectingKeyboard.GetCol() > 0 )
7668             {
7669                 m_selectingKeyboard.SetCol( m_selectingKeyboard.GetCol() - 1 );
7670                 MakeCellVisible( m_selectingKeyboard.GetRow(),
7671                         m_selectingKeyboard.GetCol() );
7672                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7673             }
7674         }
7675         else if ( m_currentCellCoords.GetCol() > 0 )
7676         {
7677             ClearSelection();
7678             MakeCellVisible( m_currentCellCoords.GetRow(),
7679                              m_currentCellCoords.GetCol() - 1 );
7680             SetCurrentCell( m_currentCellCoords.GetRow(),
7681                             m_currentCellCoords.GetCol() - 1 );
7682         }
7683         else
7684             return FALSE;
7685         return TRUE;
7686     }
7687
7688     return FALSE;
7689 }
7690
7691
7692 bool wxGrid::MoveCursorRight( bool expandSelection )
7693 {
7694     if ( m_currentCellCoords != wxGridNoCellCoords  &&
7695          m_currentCellCoords.GetCol() < m_numCols )
7696     {
7697         if ( expandSelection )
7698         {
7699             if ( m_selectingKeyboard == wxGridNoCellCoords )
7700                 m_selectingKeyboard = m_currentCellCoords;
7701             if ( m_selectingKeyboard.GetCol() < m_numCols - 1 )
7702             {
7703                 m_selectingKeyboard.SetCol( m_selectingKeyboard.GetCol() + 1 );
7704                 MakeCellVisible( m_selectingKeyboard.GetRow(),
7705                         m_selectingKeyboard.GetCol() );
7706                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7707             }
7708         }
7709         else if ( m_currentCellCoords.GetCol() < m_numCols - 1 )
7710         {
7711             ClearSelection();
7712             MakeCellVisible( m_currentCellCoords.GetRow(),
7713                              m_currentCellCoords.GetCol() + 1 );
7714             SetCurrentCell( m_currentCellCoords.GetRow(),
7715                             m_currentCellCoords.GetCol() + 1 );
7716         }
7717         else
7718             return FALSE;
7719         return TRUE;
7720     }
7721
7722     return FALSE;
7723 }
7724
7725
7726 bool wxGrid::MovePageUp()
7727 {
7728     if ( m_currentCellCoords == wxGridNoCellCoords ) return FALSE;
7729
7730     int row = m_currentCellCoords.GetRow();
7731     if ( row > 0 )
7732     {
7733         int cw, ch;
7734         m_gridWin->GetClientSize( &cw, &ch );
7735
7736         int y = GetRowTop(row);
7737         int newRow = YToRow( y - ch + 1 );
7738         if ( newRow == -1 )
7739         {
7740             newRow = 0;
7741         }
7742         else if ( newRow == row )
7743         {
7744             newRow = row - 1;
7745         }
7746
7747         MakeCellVisible( newRow, m_currentCellCoords.GetCol() );
7748         SetCurrentCell( newRow, m_currentCellCoords.GetCol() );
7749
7750         return TRUE;
7751     }
7752
7753     return FALSE;
7754 }
7755
7756 bool wxGrid::MovePageDown()
7757 {
7758     if ( m_currentCellCoords == wxGridNoCellCoords ) return FALSE;
7759
7760     int row = m_currentCellCoords.GetRow();
7761     if ( row < m_numRows )
7762     {
7763         int cw, ch;
7764         m_gridWin->GetClientSize( &cw, &ch );
7765
7766         int y = GetRowTop(row);
7767         int newRow = YToRow( y + ch );
7768         if ( newRow == -1 )
7769         {
7770             newRow = m_numRows - 1;
7771         }
7772         else if ( newRow == row )
7773         {
7774             newRow = row + 1;
7775         }
7776
7777         MakeCellVisible( newRow, m_currentCellCoords.GetCol() );
7778         SetCurrentCell( newRow, m_currentCellCoords.GetCol() );
7779
7780         return TRUE;
7781     }
7782
7783     return FALSE;
7784 }
7785
7786 bool wxGrid::MoveCursorUpBlock( bool expandSelection )
7787 {
7788     if ( m_table &&
7789          m_currentCellCoords != wxGridNoCellCoords  &&
7790          m_currentCellCoords.GetRow() > 0 )
7791     {
7792         int row = m_currentCellCoords.GetRow();
7793         int col = m_currentCellCoords.GetCol();
7794
7795         if ( m_table->IsEmptyCell(row, col) )
7796         {
7797             // starting in an empty cell: find the next block of
7798             // non-empty cells
7799             //
7800             while ( row > 0 )
7801             {
7802                 row-- ;
7803                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7804             }
7805         }
7806         else if ( m_table->IsEmptyCell(row-1, col) )
7807         {
7808             // starting at the top of a block: find the next block
7809             //
7810             row--;
7811             while ( row > 0 )
7812             {
7813                 row-- ;
7814                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7815             }
7816         }
7817         else
7818         {
7819             // starting within a block: find the top of the block
7820             //
7821             while ( row > 0 )
7822             {
7823                 row-- ;
7824                 if ( m_table->IsEmptyCell(row, col) )
7825                 {
7826                     row++ ;
7827                     break;
7828                 }
7829             }
7830         }
7831
7832         MakeCellVisible( row, col );
7833         if ( expandSelection )
7834         {
7835             m_selectingKeyboard = wxGridCellCoords( row, col );
7836             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7837         }
7838         else
7839         {
7840             ClearSelection();
7841             SetCurrentCell( row, col );
7842         }
7843         return TRUE;
7844     }
7845
7846     return FALSE;
7847 }
7848
7849 bool wxGrid::MoveCursorDownBlock( bool expandSelection )
7850 {
7851     if ( m_table &&
7852          m_currentCellCoords != wxGridNoCellCoords  &&
7853          m_currentCellCoords.GetRow() < m_numRows-1 )
7854     {
7855         int row = m_currentCellCoords.GetRow();
7856         int col = m_currentCellCoords.GetCol();
7857
7858         if ( m_table->IsEmptyCell(row, col) )
7859         {
7860             // starting in an empty cell: find the next block of
7861             // non-empty cells
7862             //
7863             while ( row < m_numRows-1 )
7864             {
7865                 row++ ;
7866                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7867             }
7868         }
7869         else if ( m_table->IsEmptyCell(row+1, col) )
7870         {
7871             // starting at the bottom of a block: find the next block
7872             //
7873             row++;
7874             while ( row < m_numRows-1 )
7875             {
7876                 row++ ;
7877                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7878             }
7879         }
7880         else
7881         {
7882             // starting within a block: find the bottom of the block
7883             //
7884             while ( row < m_numRows-1 )
7885             {
7886                 row++ ;
7887                 if ( m_table->IsEmptyCell(row, col) )
7888                 {
7889                     row-- ;
7890                     break;
7891                 }
7892             }
7893         }
7894
7895         MakeCellVisible( row, col );
7896         if ( expandSelection )
7897         {
7898             m_selectingKeyboard = wxGridCellCoords( row, col );
7899             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7900         }
7901         else
7902         {
7903             ClearSelection();
7904             SetCurrentCell( row, col );
7905         }
7906
7907         return TRUE;
7908     }
7909
7910     return FALSE;
7911 }
7912
7913 bool wxGrid::MoveCursorLeftBlock( bool expandSelection )
7914 {
7915     if ( m_table &&
7916          m_currentCellCoords != wxGridNoCellCoords  &&
7917          m_currentCellCoords.GetCol() > 0 )
7918     {
7919         int row = m_currentCellCoords.GetRow();
7920         int col = m_currentCellCoords.GetCol();
7921
7922         if ( m_table->IsEmptyCell(row, col) )
7923         {
7924             // starting in an empty cell: find the next block of
7925             // non-empty cells
7926             //
7927             while ( col > 0 )
7928             {
7929                 col-- ;
7930                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7931             }
7932         }
7933         else if ( m_table->IsEmptyCell(row, col-1) )
7934         {
7935             // starting at the left of a block: find the next block
7936             //
7937             col--;
7938             while ( col > 0 )
7939             {
7940                 col-- ;
7941                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7942             }
7943         }
7944         else
7945         {
7946             // starting within a block: find the left of the block
7947             //
7948             while ( col > 0 )
7949             {
7950                 col-- ;
7951                 if ( m_table->IsEmptyCell(row, col) )
7952                 {
7953                     col++ ;
7954                     break;
7955                 }
7956             }
7957         }
7958
7959         MakeCellVisible( row, col );
7960         if ( expandSelection )
7961         {
7962             m_selectingKeyboard = wxGridCellCoords( row, col );
7963             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7964         }
7965         else
7966         {
7967             ClearSelection();
7968             SetCurrentCell( row, col );
7969         }
7970
7971         return TRUE;
7972     }
7973
7974     return FALSE;
7975 }
7976
7977 bool wxGrid::MoveCursorRightBlock( bool expandSelection )
7978 {
7979     if ( m_table &&
7980          m_currentCellCoords != wxGridNoCellCoords  &&
7981          m_currentCellCoords.GetCol() < m_numCols-1 )
7982     {
7983         int row = m_currentCellCoords.GetRow();
7984         int col = m_currentCellCoords.GetCol();
7985
7986         if ( m_table->IsEmptyCell(row, col) )
7987         {
7988             // starting in an empty cell: find the next block of
7989             // non-empty cells
7990             //
7991             while ( col < m_numCols-1 )
7992             {
7993                 col++ ;
7994                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7995             }
7996         }
7997         else if ( m_table->IsEmptyCell(row, col+1) )
7998         {
7999             // starting at the right of a block: find the next block
8000             //
8001             col++;
8002             while ( col < m_numCols-1 )
8003             {
8004                 col++ ;
8005                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
8006             }
8007         }
8008         else
8009         {
8010             // starting within a block: find the right of the block
8011             //
8012             while ( col < m_numCols-1 )
8013             {
8014                 col++ ;
8015                 if ( m_table->IsEmptyCell(row, col) )
8016                 {
8017                     col-- ;
8018                     break;
8019                 }
8020             }
8021         }
8022
8023         MakeCellVisible( row, col );
8024         if ( expandSelection )
8025         {
8026             m_selectingKeyboard = wxGridCellCoords( row, col );
8027             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
8028         }
8029         else
8030         {
8031             ClearSelection();
8032             SetCurrentCell( row, col );
8033         }
8034
8035         return TRUE;
8036     }
8037
8038     return FALSE;
8039 }
8040
8041
8042
8043 //
8044 // ------ Label values and formatting
8045 //
8046
8047 void wxGrid::GetRowLabelAlignment( int *horiz, int *vert )
8048 {
8049     *horiz = m_rowLabelHorizAlign;
8050     *vert  = m_rowLabelVertAlign;
8051 }
8052
8053 void wxGrid::GetColLabelAlignment( int *horiz, int *vert )
8054 {
8055     *horiz = m_colLabelHorizAlign;
8056     *vert  = m_colLabelVertAlign;
8057 }
8058
8059 wxString wxGrid::GetRowLabelValue( int row )
8060 {
8061     if ( m_table )
8062     {
8063         return m_table->GetRowLabelValue( row );
8064     }
8065     else
8066     {
8067         wxString s;
8068         s << row;
8069         return s;
8070     }
8071 }
8072
8073 wxString wxGrid::GetColLabelValue( int col )
8074 {
8075     if ( m_table )
8076     {
8077         return m_table->GetColLabelValue( col );
8078     }
8079     else
8080     {
8081         wxString s;
8082         s << col;
8083         return s;
8084     }
8085 }
8086
8087
8088 void wxGrid::SetRowLabelSize( int width )
8089 {
8090     width = wxMax( width, 0 );
8091     if ( width != m_rowLabelWidth )
8092     {
8093         if ( width == 0 )
8094         {
8095             m_rowLabelWin->Show( FALSE );
8096             m_cornerLabelWin->Show( FALSE );
8097         }
8098         else if ( m_rowLabelWidth == 0 )
8099         {
8100             m_rowLabelWin->Show( TRUE );
8101             if ( m_colLabelHeight > 0 ) m_cornerLabelWin->Show( TRUE );
8102         }
8103
8104         m_rowLabelWidth = width;
8105         CalcWindowSizes();
8106         wxScrolledWindow::Refresh( TRUE );
8107     }
8108 }
8109
8110
8111 void wxGrid::SetColLabelSize( int height )
8112 {
8113     height = wxMax( height, 0 );
8114     if ( height != m_colLabelHeight )
8115     {
8116         if ( height == 0 )
8117         {
8118             m_colLabelWin->Show( FALSE );
8119             m_cornerLabelWin->Show( FALSE );
8120         }
8121         else if ( m_colLabelHeight == 0 )
8122         {
8123             m_colLabelWin->Show( TRUE );
8124             if ( m_rowLabelWidth > 0 ) m_cornerLabelWin->Show( TRUE );
8125         }
8126
8127         m_colLabelHeight = height;
8128         CalcWindowSizes();
8129         wxScrolledWindow::Refresh( TRUE );
8130     }
8131 }
8132
8133
8134 void wxGrid::SetLabelBackgroundColour( const wxColour& colour )
8135 {
8136     if ( m_labelBackgroundColour != colour )
8137     {
8138         m_labelBackgroundColour = colour;
8139         m_rowLabelWin->SetBackgroundColour( colour );
8140         m_colLabelWin->SetBackgroundColour( colour );
8141         m_cornerLabelWin->SetBackgroundColour( colour );
8142
8143         if ( !GetBatchCount() )
8144         {
8145             m_rowLabelWin->Refresh();
8146             m_colLabelWin->Refresh();
8147             m_cornerLabelWin->Refresh();
8148         }
8149     }
8150 }
8151
8152 void wxGrid::SetLabelTextColour( const wxColour& colour )
8153 {
8154     if ( m_labelTextColour != colour )
8155     {
8156         m_labelTextColour = colour;
8157         if ( !GetBatchCount() )
8158         {
8159             m_rowLabelWin->Refresh();
8160             m_colLabelWin->Refresh();
8161         }
8162     }
8163 }
8164
8165 void wxGrid::SetLabelFont( const wxFont& font )
8166 {
8167     m_labelFont = font;
8168     if ( !GetBatchCount() )
8169     {
8170         m_rowLabelWin->Refresh();
8171         m_colLabelWin->Refresh();
8172     }
8173 }
8174
8175 void wxGrid::SetRowLabelAlignment( int horiz, int vert )
8176 {
8177     // allow old (incorrect) defs to be used
8178     switch ( horiz )
8179     {
8180         case wxLEFT:   horiz = wxALIGN_LEFT; break;
8181         case wxRIGHT:  horiz = wxALIGN_RIGHT; break;
8182         case wxCENTRE: horiz = wxALIGN_CENTRE; break;
8183     }
8184
8185     switch ( vert )
8186     {
8187         case wxTOP:    vert = wxALIGN_TOP;    break;
8188         case wxBOTTOM: vert = wxALIGN_BOTTOM; break;
8189         case wxCENTRE: vert = wxALIGN_CENTRE; break;
8190     }
8191
8192     if ( horiz == wxALIGN_LEFT || horiz == wxALIGN_CENTRE || horiz == wxALIGN_RIGHT )
8193     {
8194         m_rowLabelHorizAlign = horiz;
8195     }
8196
8197     if ( vert == wxALIGN_TOP || vert == wxALIGN_CENTRE || vert == wxALIGN_BOTTOM )
8198     {
8199         m_rowLabelVertAlign = vert;
8200     }
8201
8202     if ( !GetBatchCount() )
8203     {
8204         m_rowLabelWin->Refresh();
8205     }
8206 }
8207
8208 void wxGrid::SetColLabelAlignment( int horiz, int vert )
8209 {
8210     // allow old (incorrect) defs to be used
8211     switch ( horiz )
8212     {
8213         case wxLEFT:   horiz = wxALIGN_LEFT; break;
8214         case wxRIGHT:  horiz = wxALIGN_RIGHT; break;
8215         case wxCENTRE: horiz = wxALIGN_CENTRE; break;
8216     }
8217
8218     switch ( vert )
8219     {
8220         case wxTOP:    vert = wxALIGN_TOP;    break;
8221         case wxBOTTOM: vert = wxALIGN_BOTTOM; break;
8222         case wxCENTRE: vert = wxALIGN_CENTRE; break;
8223     }
8224
8225     if ( horiz == wxALIGN_LEFT || horiz == wxALIGN_CENTRE || horiz == wxALIGN_RIGHT )
8226     {
8227         m_colLabelHorizAlign = horiz;
8228     }
8229
8230     if ( vert == wxALIGN_TOP || vert == wxALIGN_CENTRE || vert == wxALIGN_BOTTOM )
8231     {
8232         m_colLabelVertAlign = vert;
8233     }
8234
8235     if ( !GetBatchCount() )
8236     {
8237         m_colLabelWin->Refresh();
8238     }
8239 }
8240
8241 void wxGrid::SetRowLabelValue( int row, const wxString& s )
8242 {
8243     if ( m_table )
8244     {
8245         m_table->SetRowLabelValue( row, s );
8246         if ( !GetBatchCount() )
8247         {
8248             wxRect rect = CellToRect( row, 0);
8249             if ( rect.height > 0 )
8250             {
8251                 CalcScrolledPosition(0, rect.y, &rect.x, &rect.y);
8252                 rect.x = 0;
8253                 rect.width = m_rowLabelWidth;
8254                 m_rowLabelWin->Refresh( TRUE, &rect );
8255             }
8256         }
8257     }
8258 }
8259
8260 void wxGrid::SetColLabelValue( int col, const wxString& s )
8261 {
8262     if ( m_table )
8263     {
8264         m_table->SetColLabelValue( col, s );
8265         if ( !GetBatchCount() )
8266         {
8267             wxRect rect = CellToRect( 0, col );
8268             if ( rect.width > 0 )
8269             {
8270                 CalcScrolledPosition(rect.x, 0, &rect.x, &rect.y);
8271                 rect.y = 0;
8272                 rect.height = m_colLabelHeight;
8273                 m_colLabelWin->Refresh( TRUE, &rect );
8274             }
8275         }
8276     }
8277 }
8278
8279 void wxGrid::SetGridLineColour( const wxColour& colour )
8280 {
8281     if ( m_gridLineColour != colour )
8282     {
8283         m_gridLineColour = colour;
8284
8285         wxClientDC dc( m_gridWin );
8286         PrepareDC( dc );
8287         DrawAllGridLines( dc, wxRegion() );
8288     }
8289 }
8290
8291
8292 void wxGrid::SetCellHighlightColour( const wxColour& colour )
8293 {
8294     if ( m_cellHighlightColour != colour )
8295     {
8296         m_cellHighlightColour = colour;
8297
8298         wxClientDC dc( m_gridWin );
8299         PrepareDC( dc );
8300         wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords);
8301         DrawCellHighlight(dc, attr);
8302         attr->DecRef();
8303     }
8304 }
8305
8306 void wxGrid::SetCellHighlightPenWidth(int width)
8307 {
8308     if (m_cellHighlightPenWidth != width) {
8309         m_cellHighlightPenWidth = width;
8310
8311         // Just redrawing the cell highlight is not enough since that won't
8312         // make any visible change if the the thickness is getting smaller.
8313         int row = m_currentCellCoords.GetRow();
8314         int col = m_currentCellCoords.GetCol();
8315         if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
8316             return;
8317         wxRect rect = CellToRect(row, col);
8318         m_gridWin->Refresh(TRUE, &rect);
8319     }
8320 }
8321
8322 void wxGrid::SetCellHighlightROPenWidth(int width)
8323 {
8324     if (m_cellHighlightROPenWidth != width) {
8325         m_cellHighlightROPenWidth = width;
8326
8327         // Just redrawing the cell highlight is not enough since that won't
8328         // make any visible change if the the thickness is getting smaller.
8329         int row = m_currentCellCoords.GetRow();
8330         int col = m_currentCellCoords.GetCol();
8331         if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
8332             return;
8333         wxRect rect = CellToRect(row, col);
8334         m_gridWin->Refresh(TRUE, &rect);
8335     }
8336 }
8337
8338 void wxGrid::EnableGridLines( bool enable )
8339 {
8340     if ( enable != m_gridLinesEnabled )
8341     {
8342         m_gridLinesEnabled = enable;
8343
8344         if ( !GetBatchCount() )
8345         {
8346             if ( enable )
8347             {
8348                 wxClientDC dc( m_gridWin );
8349                 PrepareDC( dc );
8350                 DrawAllGridLines( dc, wxRegion() );
8351             }
8352             else
8353             {
8354                 m_gridWin->Refresh();
8355             }
8356         }
8357     }
8358 }
8359
8360
8361 int wxGrid::GetDefaultRowSize()
8362 {
8363     return m_defaultRowHeight;
8364 }
8365
8366 int wxGrid::GetRowSize( int row )
8367 {
8368     wxCHECK_MSG( row >= 0 && row < m_numRows, 0, _T("invalid row index") );
8369
8370     return GetRowHeight(row);
8371 }
8372
8373 int wxGrid::GetDefaultColSize()
8374 {
8375     return m_defaultColWidth;
8376 }
8377
8378 int wxGrid::GetColSize( int col )
8379 {
8380     wxCHECK_MSG( col >= 0 && col < m_numCols, 0, _T("invalid column index") );
8381
8382     return GetColWidth(col);
8383 }
8384
8385 // ============================================================================
8386 // access to the grid attributes: each of them has a default value in the grid
8387 // itself and may be overidden on a per-cell basis
8388 // ============================================================================
8389
8390 // ----------------------------------------------------------------------------
8391 // setting default attributes
8392 // ----------------------------------------------------------------------------
8393
8394 void wxGrid::SetDefaultCellBackgroundColour( const wxColour& col )
8395 {
8396     m_defaultCellAttr->SetBackgroundColour(col);
8397 #ifdef __WXGTK__
8398     m_gridWin->SetBackgroundColour(col);
8399 #endif
8400 }
8401
8402 void wxGrid::SetDefaultCellTextColour( const wxColour& col )
8403 {
8404     m_defaultCellAttr->SetTextColour(col);
8405 }
8406
8407 void wxGrid::SetDefaultCellAlignment( int horiz, int vert )
8408 {
8409     m_defaultCellAttr->SetAlignment(horiz, vert);
8410 }
8411
8412 void wxGrid::SetDefaultCellOverflow( bool allow )
8413 {
8414     m_defaultCellAttr->SetOverflow(allow);
8415 }
8416
8417 void wxGrid::SetDefaultCellFont( const wxFont& font )
8418 {
8419     m_defaultCellAttr->SetFont(font);
8420 }
8421
8422 void wxGrid::SetDefaultRenderer(wxGridCellRenderer *renderer)
8423 {
8424     m_defaultCellAttr->SetRenderer(renderer);
8425 }
8426
8427 void wxGrid::SetDefaultEditor(wxGridCellEditor *editor)
8428 {
8429     m_defaultCellAttr->SetEditor(editor);
8430 }
8431
8432 // ----------------------------------------------------------------------------
8433 // access to the default attrbiutes
8434 // ----------------------------------------------------------------------------
8435
8436 wxColour wxGrid::GetDefaultCellBackgroundColour()
8437 {
8438     return m_defaultCellAttr->GetBackgroundColour();
8439 }
8440
8441 wxColour wxGrid::GetDefaultCellTextColour()
8442 {
8443     return m_defaultCellAttr->GetTextColour();
8444 }
8445
8446 wxFont wxGrid::GetDefaultCellFont()
8447 {
8448     return m_defaultCellAttr->GetFont();
8449 }
8450
8451 void wxGrid::GetDefaultCellAlignment( int *horiz, int *vert )
8452 {
8453     m_defaultCellAttr->GetAlignment(horiz, vert);
8454 }
8455
8456 bool wxGrid::GetDefaultCellOverflow()
8457 {
8458     return m_defaultCellAttr->GetOverflow();
8459 }
8460
8461 wxGridCellRenderer *wxGrid::GetDefaultRenderer() const
8462 {
8463     return m_defaultCellAttr->GetRenderer(NULL, 0, 0);
8464 }
8465
8466 wxGridCellEditor *wxGrid::GetDefaultEditor() const
8467 {
8468     return m_defaultCellAttr->GetEditor(NULL,0,0);
8469 }
8470
8471 // ----------------------------------------------------------------------------
8472 // access to cell attributes
8473 // ----------------------------------------------------------------------------
8474
8475 wxColour wxGrid::GetCellBackgroundColour(int row, int col)
8476 {
8477     wxGridCellAttr *attr = GetCellAttr(row, col);
8478     wxColour colour = attr->GetBackgroundColour();
8479     attr->DecRef();
8480     return colour;
8481 }
8482
8483 wxColour wxGrid::GetCellTextColour( int row, int col )
8484 {
8485     wxGridCellAttr *attr = GetCellAttr(row, col);
8486     wxColour colour = attr->GetTextColour();
8487     attr->DecRef();
8488     return colour;
8489 }
8490
8491 wxFont wxGrid::GetCellFont( int row, int col )
8492 {
8493     wxGridCellAttr *attr = GetCellAttr(row, col);
8494     wxFont font = attr->GetFont();
8495     attr->DecRef();
8496     return font;
8497 }
8498
8499 void wxGrid::GetCellAlignment( int row, int col, int *horiz, int *vert )
8500 {
8501     wxGridCellAttr *attr = GetCellAttr(row, col);
8502     attr->GetAlignment(horiz, vert);
8503     attr->DecRef();
8504 }
8505
8506 bool wxGrid::GetCellOverflow( int row, int col )
8507 {
8508     wxGridCellAttr *attr = GetCellAttr(row, col);
8509     bool allow = attr->GetOverflow();
8510     attr->DecRef();
8511     return allow;
8512 }
8513
8514 void wxGrid::GetCellSize( int row, int col, int *num_rows, int *num_cols )
8515 {
8516     wxGridCellAttr *attr = GetCellAttr(row, col);
8517     attr->GetSize( num_rows, num_cols );
8518     attr->DecRef();
8519 }
8520
8521 wxGridCellRenderer* wxGrid::GetCellRenderer(int row, int col)
8522 {
8523     wxGridCellAttr* attr = GetCellAttr(row, col);
8524     wxGridCellRenderer* renderer = attr->GetRenderer(this, row, col);
8525     attr->DecRef();
8526
8527     return renderer;
8528 }
8529
8530 wxGridCellEditor* wxGrid::GetCellEditor(int row, int col)
8531 {
8532     wxGridCellAttr* attr = GetCellAttr(row, col);
8533     wxGridCellEditor* editor = attr->GetEditor(this, row, col);
8534     attr->DecRef();
8535
8536     return editor;
8537 }
8538
8539 bool wxGrid::IsReadOnly(int row, int col) const
8540 {
8541     wxGridCellAttr* attr = GetCellAttr(row, col);
8542     bool isReadOnly = attr->IsReadOnly();
8543     attr->DecRef();
8544     return isReadOnly;
8545 }
8546
8547 // ----------------------------------------------------------------------------
8548 // attribute support: cache, automatic provider creation, ...
8549 // ----------------------------------------------------------------------------
8550
8551 bool wxGrid::CanHaveAttributes()
8552 {
8553     if ( !m_table )
8554     {
8555         return FALSE;
8556     }
8557
8558     return m_table->CanHaveAttributes();
8559 }
8560
8561 void wxGrid::ClearAttrCache()
8562 {
8563     if ( m_attrCache.row != -1 )
8564     {
8565         wxSafeDecRef(m_attrCache.attr);
8566         m_attrCache.attr = NULL;
8567         m_attrCache.row = -1;
8568     }
8569 }
8570
8571 void wxGrid::CacheAttr(int row, int col, wxGridCellAttr *attr) const
8572 {
8573     wxGrid *self = (wxGrid *)this;  // const_cast
8574
8575     self->ClearAttrCache();
8576     self->m_attrCache.row = row;
8577     self->m_attrCache.col = col;
8578     self->m_attrCache.attr = attr;
8579     wxSafeIncRef(attr);
8580 }
8581
8582 bool wxGrid::LookupAttr(int row, int col, wxGridCellAttr **attr) const
8583 {
8584     if ( row == m_attrCache.row && col == m_attrCache.col )
8585     {
8586         *attr = m_attrCache.attr;
8587         wxSafeIncRef(m_attrCache.attr);
8588
8589 #ifdef DEBUG_ATTR_CACHE
8590         gs_nAttrCacheHits++;
8591 #endif
8592
8593         return TRUE;
8594     }
8595     else
8596     {
8597 #ifdef DEBUG_ATTR_CACHE
8598         gs_nAttrCacheMisses++;
8599 #endif
8600         return FALSE;
8601     }
8602 }
8603
8604 wxGridCellAttr *wxGrid::GetCellAttr(int row, int col) const
8605 {
8606     wxGridCellAttr *attr = NULL;
8607     // Additional test to avoid looking at the cache e.g. for
8608     // wxNoCellCoords, as this will confuse memory management.
8609     if ( row >= 0 )
8610     {
8611         if ( !LookupAttr(row, col, &attr) )
8612         {
8613             attr = m_table ? m_table->GetAttr(row, col , wxGridCellAttr::Any)
8614                            : (wxGridCellAttr *)NULL;
8615             CacheAttr(row, col, attr);
8616         }
8617     }
8618     if (attr)
8619     {
8620         attr->SetDefAttr(m_defaultCellAttr);
8621     }
8622     else
8623     {
8624         attr = m_defaultCellAttr;
8625         attr->IncRef();
8626     }
8627
8628     return attr;
8629 }
8630
8631 wxGridCellAttr *wxGrid::GetOrCreateCellAttr(int row, int col) const
8632 {
8633     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
8634
8635     wxCHECK_MSG( m_table, attr,
8636                   _T("we may only be called if CanHaveAttributes() returned TRUE and then m_table should be !NULL") );
8637
8638     attr = m_table->GetAttr(row, col, wxGridCellAttr::Cell);
8639     if ( !attr )
8640     {
8641         attr = new wxGridCellAttr(m_defaultCellAttr);
8642
8643         // artificially inc the ref count to match DecRef() in caller
8644         attr->IncRef();
8645         m_table->SetAttr(attr, row, col);
8646     }
8647
8648     return attr;
8649 }
8650
8651 // ----------------------------------------------------------------------------
8652 // setting column attributes (wrappers around SetColAttr)
8653 // ----------------------------------------------------------------------------
8654
8655 void wxGrid::SetColFormatBool(int col)
8656 {
8657     SetColFormatCustom(col, wxGRID_VALUE_BOOL);
8658 }
8659
8660 void wxGrid::SetColFormatNumber(int col)
8661 {
8662     SetColFormatCustom(col, wxGRID_VALUE_NUMBER);
8663 }
8664
8665 void wxGrid::SetColFormatFloat(int col, int width, int precision)
8666 {
8667     wxString typeName = wxGRID_VALUE_FLOAT;
8668     if ( (width != -1) || (precision != -1) )
8669     {
8670         typeName << _T(':') << width << _T(',') << precision;
8671     }
8672
8673     SetColFormatCustom(col, typeName);
8674 }
8675
8676 void wxGrid::SetColFormatCustom(int col, const wxString& typeName)
8677 {
8678     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
8679
8680     attr = m_table->GetAttr(-1, col, wxGridCellAttr::Col );
8681     if(!attr)
8682         attr = new wxGridCellAttr;
8683     wxGridCellRenderer *renderer = GetDefaultRendererForType(typeName);
8684     attr->SetRenderer(renderer);
8685
8686     SetColAttr(col, attr);
8687
8688 }
8689
8690 // ----------------------------------------------------------------------------
8691 // setting cell attributes: this is forwarded to the table
8692 // ----------------------------------------------------------------------------
8693
8694 void wxGrid::SetAttr(int row, int col, wxGridCellAttr *attr)
8695 {
8696     if ( CanHaveAttributes() )
8697     {
8698         m_table->SetAttr(attr, row, col);
8699         ClearAttrCache();
8700     }
8701     else
8702     {
8703         wxSafeDecRef(attr);
8704     }
8705 }
8706
8707 void wxGrid::SetRowAttr(int row, wxGridCellAttr *attr)
8708 {
8709     if ( CanHaveAttributes() )
8710     {
8711         m_table->SetRowAttr(attr, row);
8712         ClearAttrCache();
8713     }
8714     else
8715     {
8716         wxSafeDecRef(attr);
8717     }
8718 }
8719
8720 void wxGrid::SetColAttr(int col, wxGridCellAttr *attr)
8721 {
8722     if ( CanHaveAttributes() )
8723     {
8724         m_table->SetColAttr(attr, col);
8725         ClearAttrCache();
8726     }
8727     else
8728     {
8729         wxSafeDecRef(attr);
8730     }
8731 }
8732
8733 void wxGrid::SetCellBackgroundColour( int row, int col, const wxColour& colour )
8734 {
8735     if ( CanHaveAttributes() )
8736     {
8737         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8738         attr->SetBackgroundColour(colour);
8739         attr->DecRef();
8740     }
8741 }
8742
8743 void wxGrid::SetCellTextColour( int row, int col, const wxColour& colour )
8744 {
8745     if ( CanHaveAttributes() )
8746     {
8747         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8748         attr->SetTextColour(colour);
8749         attr->DecRef();
8750     }
8751 }
8752
8753 void wxGrid::SetCellFont( int row, int col, const wxFont& font )
8754 {
8755     if ( CanHaveAttributes() )
8756     {
8757         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8758         attr->SetFont(font);
8759         attr->DecRef();
8760     }
8761 }
8762
8763 void wxGrid::SetCellAlignment( int row, int col, int horiz, int vert )
8764 {
8765     if ( CanHaveAttributes() )
8766     {
8767         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8768         attr->SetAlignment(horiz, vert);
8769         attr->DecRef();
8770     }
8771 }
8772
8773 void wxGrid::SetCellOverflow( int row, int col, bool allow )
8774 {
8775     if ( CanHaveAttributes() )
8776     {
8777         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8778         attr->SetOverflow(allow);
8779         attr->DecRef();
8780     }
8781 }
8782
8783 void wxGrid::SetCellSize( int row, int col, int num_rows, int num_cols )
8784 {
8785     if ( CanHaveAttributes() )
8786     {
8787         int cell_rows, cell_cols;
8788
8789         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8790         attr->GetSize(&cell_rows, &cell_cols);
8791         attr->SetSize(num_rows, num_cols);
8792         attr->DecRef();
8793
8794         // Cannot set the size of a cell to 0 or negative values
8795         // While it is perfectly legal to do that, this function cannot
8796         // handle all the possibilies, do it by hand by getting the CellAttr.
8797         // You can only set the size of a cell to 1,1 or greater with this fn
8798         wxASSERT_MSG( !((cell_rows < 1) || (cell_cols < 1)),
8799                       wxT("wxGrid::SetCellSize setting cell size that is already part of another cell"));
8800         wxASSERT_MSG( !((num_rows < 1) || (num_cols < 1)),
8801                       wxT("wxGrid::SetCellSize setting cell size to < 1"));
8802
8803         // if this was already a multicell then "turn off" the other cells first
8804         if ((cell_rows > 1) || (cell_rows > 1))
8805         {
8806             int i, j;
8807             for (j=row; j<row+cell_rows; j++)
8808             {
8809                 for (i=col; i<col+cell_cols; i++)
8810                 {
8811                     if ((i != col) || (j != row))
8812                     {
8813                         wxGridCellAttr *attr_stub = GetOrCreateCellAttr(j, i);
8814                         attr_stub->SetSize( 1, 1 );
8815                         attr_stub->DecRef();
8816                     }
8817                 }
8818             }
8819         }
8820
8821         // mark the cells that will be covered by this cell to
8822         // negative or zero values to point back at this cell
8823         if (((num_rows > 1) || (num_cols > 1)) && (num_rows >= 1) && (num_cols >= 1))
8824         {
8825             int i, j;
8826             for (j=row; j<row+num_rows; j++)
8827             {
8828                 for (i=col; i<col+num_cols; i++)
8829                 {
8830                     if ((i != col) || (j != row))
8831                     {
8832                         wxGridCellAttr *attr_stub = GetOrCreateCellAttr(j, i);
8833                         attr_stub->SetSize( row-j, col-i );
8834                         attr_stub->DecRef();
8835                     }
8836                 }
8837             }
8838         }
8839     }
8840 }
8841
8842 void wxGrid::SetCellRenderer(int row, int col, wxGridCellRenderer *renderer)
8843 {
8844     if ( CanHaveAttributes() )
8845     {
8846         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8847         attr->SetRenderer(renderer);
8848         attr->DecRef();
8849     }
8850 }
8851
8852 void wxGrid::SetCellEditor(int row, int col, wxGridCellEditor* editor)
8853 {
8854     if ( CanHaveAttributes() )
8855     {
8856         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8857         attr->SetEditor(editor);
8858         attr->DecRef();
8859     }
8860 }
8861
8862 void wxGrid::SetReadOnly(int row, int col, bool isReadOnly)
8863 {
8864     if ( CanHaveAttributes() )
8865     {
8866         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8867         attr->SetReadOnly(isReadOnly);
8868         attr->DecRef();
8869     }
8870 }
8871
8872 // ----------------------------------------------------------------------------
8873 // Data type registration
8874 // ----------------------------------------------------------------------------
8875
8876 void wxGrid::RegisterDataType(const wxString& typeName,
8877                               wxGridCellRenderer* renderer,
8878                               wxGridCellEditor* editor)
8879 {
8880     m_typeRegistry->RegisterDataType(typeName, renderer, editor);
8881 }
8882
8883
8884 wxGridCellEditor* wxGrid::GetDefaultEditorForCell(int row, int col) const
8885 {
8886     wxString typeName = m_table->GetTypeName(row, col);
8887     return GetDefaultEditorForType(typeName);
8888 }
8889
8890 wxGridCellRenderer* wxGrid::GetDefaultRendererForCell(int row, int col) const
8891 {
8892     wxString typeName = m_table->GetTypeName(row, col);
8893     return GetDefaultRendererForType(typeName);
8894 }
8895
8896 wxGridCellEditor*
8897 wxGrid::GetDefaultEditorForType(const wxString& typeName) const
8898 {
8899     int index = m_typeRegistry->FindOrCloneDataType(typeName);
8900     if ( index == wxNOT_FOUND )
8901     {
8902         wxFAIL_MSG(wxT("Unknown data type name"));
8903
8904         return NULL;
8905     }
8906
8907     return m_typeRegistry->GetEditor(index);
8908 }
8909
8910 wxGridCellRenderer*
8911 wxGrid::GetDefaultRendererForType(const wxString& typeName) const
8912 {
8913     int index = m_typeRegistry->FindOrCloneDataType(typeName);
8914     if ( index == wxNOT_FOUND )
8915     {
8916         wxFAIL_MSG(wxT("Unknown data type name"));
8917
8918         return NULL;
8919     }
8920
8921     return m_typeRegistry->GetRenderer(index);
8922 }
8923
8924
8925 // ----------------------------------------------------------------------------
8926 // row/col size
8927 // ----------------------------------------------------------------------------
8928
8929 void wxGrid::EnableDragRowSize( bool enable )
8930 {
8931     m_canDragRowSize = enable;
8932 }
8933
8934
8935 void wxGrid::EnableDragColSize( bool enable )
8936 {
8937     m_canDragColSize = enable;
8938 }
8939
8940 void wxGrid::EnableDragGridSize( bool enable )
8941 {
8942     m_canDragGridSize = enable;
8943 }
8944
8945
8946 void wxGrid::SetDefaultRowSize( int height, bool resizeExistingRows )
8947 {
8948     m_defaultRowHeight = wxMax( height, WXGRID_MIN_ROW_HEIGHT );
8949
8950     if ( resizeExistingRows )
8951     {
8952         // since we are resizing all rows to the default row size,
8953         // we can simply clear the row heights and row bottoms
8954         // arrays (which also allows us to take advantage of
8955         // some speed optimisations)
8956         m_rowHeights.Empty();
8957         m_rowBottoms.Empty();
8958         if ( !GetBatchCount() )
8959             CalcDimensions();
8960     }
8961 }
8962
8963 void wxGrid::SetRowSize( int row, int height )
8964 {
8965     wxCHECK_RET( row >= 0 && row < m_numRows, _T("invalid row index") );
8966
8967     if ( m_rowHeights.IsEmpty() )
8968     {
8969         // need to really create the array
8970         InitRowHeights();
8971     }
8972
8973     int h = wxMax( 0, height );
8974     int diff = h - m_rowHeights[row];
8975
8976     m_rowHeights[row] = h;
8977     int i;
8978     for ( i = row;  i < m_numRows;  i++ )
8979     {
8980         m_rowBottoms[i] += diff;
8981     }
8982     if ( !GetBatchCount() )
8983         CalcDimensions();
8984 }
8985
8986 void wxGrid::SetDefaultColSize( int width, bool resizeExistingCols )
8987 {
8988     m_defaultColWidth = wxMax( width, WXGRID_MIN_COL_WIDTH );
8989
8990     if ( resizeExistingCols )
8991     {
8992         // since we are resizing all columns to the default column size,
8993         // we can simply clear the col widths and col rights
8994         // arrays (which also allows us to take advantage of
8995         // some speed optimisations)
8996         m_colWidths.Empty();
8997         m_colRights.Empty();
8998         if ( !GetBatchCount() )
8999             CalcDimensions();
9000     }
9001 }
9002
9003 void wxGrid::SetColSize( int col, int width )
9004 {
9005     wxCHECK_RET( col >= 0 && col < m_numCols, _T("invalid column index") );
9006
9007     // should we check that it's bigger than GetColMinimalWidth(col) here?
9008
9009     if ( m_colWidths.IsEmpty() )
9010     {
9011         // need to really create the array
9012         InitColWidths();
9013     }
9014
9015     int w = wxMax( 0, width );
9016     int diff = w - m_colWidths[col];
9017     m_colWidths[col] = w;
9018
9019     int i;
9020     for ( i = col;  i < m_numCols;  i++ )
9021     {
9022         m_colRights[i] += diff;
9023     }
9024     if ( !GetBatchCount() )
9025         CalcDimensions();
9026 }
9027
9028
9029 void wxGrid::SetColMinimalWidth( int col, int width )
9030 {
9031     m_colMinWidths.Put(col, width);
9032 }
9033
9034 void wxGrid::SetRowMinimalHeight( int row, int width )
9035 {
9036     m_rowMinHeights.Put(row, width);
9037 }
9038
9039 int wxGrid::GetColMinimalWidth(int col) const
9040 {
9041     long value = m_colMinWidths.Get(col);
9042     return value != wxNOT_FOUND ? (int)value : WXGRID_MIN_COL_WIDTH;
9043 }
9044
9045 int wxGrid::GetRowMinimalHeight(int row) const
9046 {
9047     long value = m_rowMinHeights.Get(row);
9048     return value != wxNOT_FOUND ? (int)value : WXGRID_MIN_ROW_HEIGHT;
9049 }
9050
9051 // ----------------------------------------------------------------------------
9052 // auto sizing
9053 // ----------------------------------------------------------------------------
9054
9055 void wxGrid::AutoSizeColOrRow( int colOrRow, bool setAsMin, bool column )
9056 {
9057     wxClientDC dc(m_gridWin);
9058
9059     // init both of them to avoid compiler warnings, even if weo nly need one
9060     int row = -1,
9061         col = -1;
9062     if ( column )
9063         col = colOrRow;
9064     else
9065         row = colOrRow;
9066
9067     wxCoord extent, extentMax = 0;
9068     int max = column ? m_numRows : m_numCols;
9069     for ( int rowOrCol = 0; rowOrCol < max; rowOrCol++ )
9070     {
9071         if ( column )
9072             row = rowOrCol;
9073         else
9074             col = rowOrCol;
9075
9076         wxGridCellAttr* attr = GetCellAttr(row, col);
9077         wxGridCellRenderer* renderer = attr->GetRenderer(this, row, col);
9078         if ( renderer )
9079         {
9080             wxSize size = renderer->GetBestSize(*this, *attr, dc, row, col);
9081             extent = column ? size.x : size.y;
9082             if ( extent > extentMax )
9083             {
9084                 extentMax = extent;
9085             }
9086
9087             renderer->DecRef();
9088         }
9089
9090         attr->DecRef();
9091     }
9092
9093     // now also compare with the column label extent
9094     wxCoord w, h;
9095     dc.SetFont( GetLabelFont() );
9096
9097     if ( column )
9098         dc.GetTextExtent( GetColLabelValue(col), &w, &h );
9099     else
9100         dc.GetTextExtent( GetRowLabelValue(row), &w, &h );
9101
9102     extent = column ? w : h;
9103     if ( extent > extentMax )
9104     {
9105         extentMax = extent;
9106     }
9107
9108     if ( !extentMax )
9109     {
9110         // empty column - give default extent (notice that if extentMax is less
9111         // than default extent but != 0, it's ok)
9112         extentMax = column ? m_defaultColWidth : m_defaultRowHeight;
9113     }
9114     else
9115     {
9116         if ( column )
9117         {
9118             // leave some space around text
9119             extentMax += 10;
9120         }
9121         else
9122         {
9123             extentMax += 6;
9124         }
9125     }
9126
9127     if ( column )
9128     {
9129         SetColSize(col, extentMax);
9130         if ( !GetBatchCount() )
9131         {
9132             int cw, ch, dummy;
9133             m_gridWin->GetClientSize( &cw, &ch );
9134             wxRect rect ( CellToRect( 0, col ) );
9135             rect.y = 0;
9136             CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
9137             rect.width = cw - rect.x;
9138             rect.height = m_colLabelHeight;
9139             m_colLabelWin->Refresh( TRUE, &rect );
9140         }
9141     }
9142     else
9143     {
9144         SetRowSize(row, extentMax);
9145         if ( !GetBatchCount() )
9146         {
9147             int cw, ch, dummy;
9148             m_gridWin->GetClientSize( &cw, &ch );
9149             wxRect rect ( CellToRect( row, 0 ) );
9150             rect.x = 0;
9151             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
9152             rect.width = m_rowLabelWidth;
9153             rect.height = ch - rect.y;
9154             m_rowLabelWin->Refresh( TRUE, &rect );
9155         }
9156     }
9157     if ( setAsMin )
9158     {
9159         if ( column )
9160             SetColMinimalWidth(col, extentMax);
9161         else
9162             SetRowMinimalHeight(row, extentMax);
9163     }
9164 }
9165
9166 int wxGrid::SetOrCalcColumnSizes(bool calcOnly, bool setAsMin)
9167 {
9168     int width = m_rowLabelWidth;
9169
9170     if ( !calcOnly )
9171         BeginBatch();
9172
9173     for ( int col = 0; col < m_numCols; col++ )
9174     {
9175         if ( !calcOnly )
9176         {
9177             AutoSizeColumn(col, setAsMin);
9178         }
9179
9180         width += GetColWidth(col);
9181     }
9182
9183     if ( !calcOnly )
9184         EndBatch();
9185
9186     return width;
9187 }
9188
9189 int wxGrid::SetOrCalcRowSizes(bool calcOnly, bool setAsMin)
9190 {
9191     int height = m_colLabelHeight;
9192
9193     if ( !calcOnly )
9194         BeginBatch();
9195
9196     for ( int row = 0; row < m_numRows; row++ )
9197     {
9198         if ( !calcOnly )
9199         {
9200             AutoSizeRow(row, setAsMin);
9201         }
9202
9203         height += GetRowHeight(row);
9204     }
9205
9206     if ( !calcOnly )
9207         EndBatch();
9208
9209     return height;
9210 }
9211
9212 void wxGrid::AutoSize()
9213 {
9214     BeginBatch();
9215
9216     wxSize size(SetOrCalcColumnSizes(FALSE), SetOrCalcRowSizes(FALSE));
9217
9218     // round up the size to a multiple of scroll step - this ensures that we
9219     // won't get the scrollbars if we're sized exactly to this width
9220     wxSize sizeFit(GetScrollX(size.x) * GRID_SCROLL_LINE_X,
9221                    GetScrollY(size.y) * GRID_SCROLL_LINE_Y);
9222
9223     // distribute the extra space between teh columns/rows to avoid having
9224     // extra white space
9225     wxCoord diff = sizeFit.x - size.x;
9226     if ( diff )
9227     {
9228         // try to resize the columns uniformly
9229         wxCoord diffPerCol = diff / m_numCols;
9230         if ( diffPerCol )
9231         {
9232             for ( int col = 0; col < m_numCols; col++ )
9233             {
9234                 SetColSize(col, GetColWidth(col) + diffPerCol);
9235             }
9236         }
9237
9238         // add remaining amount to the last columns
9239         diff -= diffPerCol * m_numCols;
9240         if ( diff )
9241         {
9242             for ( int col = m_numCols - 1; col >= m_numCols - diff; col-- )
9243             {
9244                 SetColSize(col, GetColWidth(col) + 1);
9245             }
9246         }
9247     }
9248
9249     // same for rows
9250     diff = sizeFit.y - size.y;
9251     if ( diff )
9252     {
9253         // try to resize the columns uniformly
9254         wxCoord diffPerRow = diff / m_numRows;
9255         if ( diffPerRow )
9256         {
9257             for ( int row = 0; row < m_numRows; row++ )
9258             {
9259                 SetRowSize(row, GetRowHeight(row) + diffPerRow);
9260             }
9261         }
9262
9263         // add remaining amount to the last rows
9264         diff -= diffPerRow * m_numRows;
9265         if ( diff )
9266         {
9267             for ( int row = m_numRows - 1; row >= m_numRows - diff; row-- )
9268             {
9269                 SetRowSize(row, GetRowHeight(row) + 1);
9270             }
9271         }
9272     }
9273
9274     EndBatch();
9275
9276     SetClientSize(sizeFit);
9277 }
9278
9279 wxSize wxGrid::DoGetBestSize() const
9280 {
9281     // don't set sizes, only calculate them
9282     wxGrid *self = (wxGrid *)this;  // const_cast
9283
9284     int width, height;
9285     width = self->SetOrCalcColumnSizes(TRUE);
9286     height = self->SetOrCalcRowSizes(TRUE);
9287
9288     int maxwidth, maxheight;
9289     wxDisplaySize( & maxwidth, & maxheight );
9290
9291     if ( width > maxwidth ) width = maxwidth;
9292     if ( height > maxheight ) height = maxheight;
9293
9294     return wxSize( width, height );
9295 }
9296
9297 void wxGrid::Fit()
9298 {
9299     AutoSize();
9300 }
9301
9302
9303 wxPen& wxGrid::GetDividerPen() const
9304 {
9305     return wxNullPen;
9306 }
9307
9308 // ----------------------------------------------------------------------------
9309 // cell value accessor functions
9310 // ----------------------------------------------------------------------------
9311
9312 void wxGrid::SetCellValue( int row, int col, const wxString& s )
9313 {
9314     if ( m_table )
9315     {
9316         m_table->SetValue( row, col, s );
9317         if ( !GetBatchCount() )
9318         {
9319             int dummy;
9320             wxRect rect( CellToRect( row, col ) );
9321             rect.x = 0;
9322             rect.width = m_gridWin->GetClientSize().GetWidth();
9323             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
9324             m_gridWin->Refresh( FALSE, &rect );
9325         }
9326
9327         if ( m_currentCellCoords.GetRow() == row &&
9328              m_currentCellCoords.GetCol() == col &&
9329              IsCellEditControlShown())
9330              // Note: If we are using IsCellEditControlEnabled,
9331              // this interacts badly with calling SetCellValue from
9332              // an EVT_GRID_CELL_CHANGE handler.
9333         {
9334             HideCellEditControl();
9335             ShowCellEditControl(); // will reread data from table
9336         }
9337     }
9338 }
9339
9340
9341 //
9342 // ------ Block, row and col selection
9343 //
9344
9345 void wxGrid::SelectRow( int row, bool addToSelected )
9346 {
9347     if ( IsSelection() && !addToSelected )
9348         ClearSelection();
9349
9350     if ( m_selection )
9351         m_selection->SelectRow( row, FALSE, addToSelected );
9352 }
9353
9354
9355 void wxGrid::SelectCol( int col, bool addToSelected )
9356 {
9357     if ( IsSelection() && !addToSelected )
9358         ClearSelection();
9359
9360     if ( m_selection )
9361         m_selection->SelectCol( col, FALSE, addToSelected );
9362 }
9363
9364
9365 void wxGrid::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol,
9366                           bool addToSelected )
9367 {
9368     if ( IsSelection() && !addToSelected )
9369         ClearSelection();
9370
9371     if ( m_selection )
9372         m_selection->SelectBlock( topRow, leftCol, bottomRow, rightCol,
9373                                   FALSE, addToSelected );
9374 }
9375
9376
9377 void wxGrid::SelectAll()
9378 {
9379     if ( m_numRows > 0 && m_numCols > 0 )
9380     {
9381         if ( m_selection )
9382             m_selection->SelectBlock( 0, 0, m_numRows-1, m_numCols-1 );
9383     }
9384 }
9385
9386 //
9387 // ------ Cell, row and col deselection
9388 //
9389
9390 void wxGrid::DeselectRow( int row )
9391 {
9392     if ( !m_selection )
9393         return;
9394
9395     if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectRows )
9396     {
9397         if ( m_selection->IsInSelection(row, 0 ) )
9398             m_selection->ToggleCellSelection( row, 0);
9399     }
9400     else
9401     {
9402         int nCols = GetNumberCols();
9403         for ( int i = 0; i < nCols ; i++ )
9404         {
9405             if ( m_selection->IsInSelection(row, i ) )
9406                 m_selection->ToggleCellSelection( row, i);
9407         }
9408     }
9409 }
9410
9411 void wxGrid::DeselectCol( int col )
9412 {
9413     if ( !m_selection )
9414         return;
9415
9416     if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectColumns )
9417     {
9418         if ( m_selection->IsInSelection(0, col ) )
9419             m_selection->ToggleCellSelection( 0, col);
9420     }
9421     else
9422     {
9423         int nRows = GetNumberRows();
9424         for ( int i = 0; i < nRows ; i++ )
9425         {
9426             if ( m_selection->IsInSelection(i, col ) )
9427                 m_selection->ToggleCellSelection(i, col);
9428         }
9429     }
9430 }
9431
9432 void wxGrid::DeselectCell( int row, int col )
9433 {
9434     if ( m_selection && m_selection->IsInSelection(row, col) )
9435         m_selection->ToggleCellSelection(row, col);
9436 }
9437
9438 bool wxGrid::IsSelection()
9439 {
9440     return ( m_selection && (m_selection->IsSelection() ||
9441              ( m_selectingTopLeft != wxGridNoCellCoords &&
9442                m_selectingBottomRight != wxGridNoCellCoords) ) );
9443 }
9444
9445 bool wxGrid::IsInSelection( int row, int col ) const
9446 {
9447     return ( m_selection && (m_selection->IsInSelection( row, col ) ||
9448              ( row >= m_selectingTopLeft.GetRow() &&
9449                col >= m_selectingTopLeft.GetCol() &&
9450                row <= m_selectingBottomRight.GetRow() &&
9451                col <= m_selectingBottomRight.GetCol() )) );
9452 }
9453
9454 wxGridCellCoordsArray wxGrid::GetSelectedCells() const
9455 {
9456     if (!m_selection) { wxGridCellCoordsArray a; return a; }
9457     return m_selection->m_cellSelection;
9458 }
9459 wxGridCellCoordsArray wxGrid::GetSelectionBlockTopLeft() const
9460 {
9461     if (!m_selection) { wxGridCellCoordsArray a; return a; }
9462     return m_selection->m_blockSelectionTopLeft;
9463 }
9464 wxGridCellCoordsArray wxGrid::GetSelectionBlockBottomRight() const
9465 {
9466     if (!m_selection) { wxGridCellCoordsArray a; return a; }
9467     return m_selection->m_blockSelectionBottomRight;
9468 }
9469 wxArrayInt wxGrid::GetSelectedRows() const
9470 {
9471     if (!m_selection) { wxArrayInt a; return a; }
9472     return m_selection->m_rowSelection;
9473 }
9474 wxArrayInt wxGrid::GetSelectedCols() const
9475 {
9476     if (!m_selection) { wxArrayInt a; return a; }
9477     return m_selection->m_colSelection;
9478 }
9479
9480
9481 void wxGrid::ClearSelection()
9482 {
9483     m_selectingTopLeft = wxGridNoCellCoords;
9484     m_selectingBottomRight = wxGridNoCellCoords;
9485     if ( m_selection )
9486         m_selection->ClearSelection();
9487 }
9488
9489
9490 // This function returns the rectangle that encloses the given block
9491 // in device coords clipped to the client size of the grid window.
9492 //
9493 wxRect wxGrid::BlockToDeviceRect( const wxGridCellCoords &topLeft,
9494                                   const wxGridCellCoords &bottomRight )
9495 {
9496     wxRect rect( wxGridNoCellRect );
9497     wxRect cellRect;
9498
9499     cellRect = CellToRect( topLeft );
9500     if ( cellRect != wxGridNoCellRect )
9501     {
9502         rect = cellRect;
9503     }
9504     else
9505     {
9506         rect = wxRect( 0, 0, 0, 0 );
9507     }
9508
9509     cellRect = CellToRect( bottomRight );
9510     if ( cellRect != wxGridNoCellRect )
9511     {
9512         rect += cellRect;
9513     }
9514     else
9515     {
9516         return wxGridNoCellRect;
9517     }
9518
9519     int i, j;
9520     int left = rect.GetLeft();
9521     int top = rect.GetTop();
9522     int right = rect.GetRight();
9523     int bottom = rect.GetBottom();
9524
9525     int leftCol = topLeft.GetCol();
9526     int topRow = topLeft.GetRow();
9527     int rightCol = bottomRight.GetCol();
9528     int bottomRow = bottomRight.GetRow();
9529
9530     if (left > right)
9531     {
9532         i = left;
9533         left = right;
9534         right = i;
9535         i = leftCol;
9536         leftCol=rightCol;
9537         rightCol = i;
9538     }
9539
9540     if (top > bottom)
9541     {
9542         i = top;
9543         top = bottom;
9544         bottom = i;
9545         i = topRow;
9546         topRow = bottomRow;
9547         bottomRow = i;
9548     }
9549
9550
9551     for ( j = topRow; j <= bottomRow; j++ )
9552     {
9553         for ( i = leftCol; i <= rightCol; i++ )
9554         {
9555             if ((j==topRow) || (j==bottomRow) || (i==leftCol) || (i==rightCol))
9556             {
9557                 cellRect = CellToRect( j, i );
9558
9559                 if (cellRect.x < left)
9560                     left = cellRect.x;
9561                 if (cellRect.y < top)
9562                     top = cellRect.y;
9563                 if (cellRect.x + cellRect.width > right)
9564                     right = cellRect.x + cellRect.width;
9565                 if (cellRect.y + cellRect.height > bottom)
9566                     bottom = cellRect.y + cellRect.height;
9567             }
9568             else i = rightCol; // jump over inner cells.
9569         }
9570     }
9571
9572     // convert to scrolled coords
9573     //
9574     CalcScrolledPosition( left, top, &left, &top );
9575     CalcScrolledPosition( right, bottom, &right, &bottom );
9576
9577     int cw, ch;
9578     m_gridWin->GetClientSize( &cw, &ch );
9579
9580     if (right < 0 || bottom < 0 || left > cw || top > ch)
9581         return wxRect( 0, 0, 0, 0);
9582
9583     rect.SetLeft( wxMax(0, left) );
9584     rect.SetTop( wxMax(0, top) );
9585     rect.SetRight( wxMin(cw, right) );
9586     rect.SetBottom( wxMin(ch, bottom) );
9587
9588     return rect;
9589 }
9590
9591
9592
9593 //
9594 // ------ Grid event classes
9595 //
9596
9597 IMPLEMENT_DYNAMIC_CLASS( wxGridEvent, wxNotifyEvent )
9598
9599 wxGridEvent::wxGridEvent( int id, wxEventType type, wxObject* obj,
9600                           int row, int col, int x, int y, bool sel,
9601                           bool control, bool shift, bool alt, bool meta )
9602         : wxNotifyEvent( type, id )
9603 {
9604     m_row = row;
9605     m_col = col;
9606     m_x = x;
9607     m_y = y;
9608     m_selecting = sel;
9609     m_control = control;
9610     m_shift = shift;
9611     m_alt = alt;
9612     m_meta = meta;
9613
9614     SetEventObject(obj);
9615 }
9616
9617
9618 IMPLEMENT_DYNAMIC_CLASS( wxGridSizeEvent, wxNotifyEvent )
9619
9620 wxGridSizeEvent::wxGridSizeEvent( int id, wxEventType type, wxObject* obj,
9621                                   int rowOrCol, int x, int y,
9622                                   bool control, bool shift, bool alt, bool meta )
9623         : wxNotifyEvent( type, id )
9624 {
9625     m_rowOrCol = rowOrCol;
9626     m_x = x;
9627     m_y = y;
9628     m_control = control;
9629     m_shift = shift;
9630     m_alt = alt;
9631     m_meta = meta;
9632
9633     SetEventObject(obj);
9634 }
9635
9636
9637 IMPLEMENT_DYNAMIC_CLASS( wxGridRangeSelectEvent, wxNotifyEvent )
9638
9639 wxGridRangeSelectEvent::wxGridRangeSelectEvent(int id, wxEventType type, wxObject* obj,
9640                                                const wxGridCellCoords& topLeft,
9641                                                const wxGridCellCoords& bottomRight,
9642                                                bool sel, bool control,
9643                                                bool shift, bool alt, bool meta )
9644         : wxNotifyEvent( type, id )
9645 {
9646     m_topLeft     = topLeft;
9647     m_bottomRight = bottomRight;
9648     m_selecting   = sel;
9649     m_control     = control;
9650     m_shift       = shift;
9651     m_alt         = alt;
9652     m_meta        = meta;
9653
9654     SetEventObject(obj);
9655 }
9656
9657
9658 IMPLEMENT_DYNAMIC_CLASS(wxGridEditorCreatedEvent, wxCommandEvent)
9659
9660 wxGridEditorCreatedEvent::wxGridEditorCreatedEvent(int id, wxEventType type,
9661                                                    wxObject* obj, int row,
9662                                                    int col, wxControl* ctrl)
9663     : wxCommandEvent(type, id)
9664 {
9665     SetEventObject(obj);
9666     m_row = row;
9667     m_col = col;
9668     m_ctrl = ctrl;
9669 }
9670
9671
9672 #endif // !wxUSE_NEW_GRID/wxUSE_NEW_GRID
9673
9674 #endif // wxUSE_GRID