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();
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         if( coords.GetRow() < 0 || coords.GetCol() < 0 )
5312         {
5313             // out of grid cell area
5314             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5315             return;
5316         }
5317
5318         int dragRow = YToEdgeOfRow( y );
5319         int dragCol = XToEdgeOfCol( x );
5320
5321         // Dragging on the corner of a cell to resize in both
5322         // directions is not implemented yet...
5323         //
5324         if ( dragRow >= 0  &&  dragCol >= 0 )
5325         {
5326             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5327             return;
5328         }
5329
5330         if ( dragRow >= 0 )
5331         {
5332             m_dragRowOrCol = dragRow;
5333
5334             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5335             {
5336                 if ( CanDragRowSize() && CanDragGridSize() )
5337                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW);
5338             }
5339
5340             if ( dragCol >= 0 )
5341             {
5342                 m_dragRowOrCol = dragCol;
5343             }
5344
5345             return;
5346         }
5347
5348         if ( dragCol >= 0 )
5349         {
5350             m_dragRowOrCol = dragCol;
5351
5352             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5353             {
5354                 if ( CanDragColSize() && CanDragGridSize() )
5355                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL);
5356             }
5357
5358             return;
5359         }
5360
5361         // Neither on a row or col edge
5362         //
5363         if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
5364         {
5365             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5366         }
5367     }
5368 }
5369
5370
5371 void wxGrid::DoEndDragResizeRow()
5372 {
5373     if ( m_dragLastPos >= 0 )
5374     {
5375         // erase the last line and resize the row
5376         //
5377         int cw, ch, left, dummy;
5378         m_gridWin->GetClientSize( &cw, &ch );
5379         CalcUnscrolledPosition( 0, 0, &left, &dummy );
5380
5381         wxClientDC dc( m_gridWin );
5382         PrepareDC( dc );
5383         dc.SetLogicalFunction( wxINVERT );
5384         dc.DrawLine( left, m_dragLastPos, left+cw, m_dragLastPos );
5385         HideCellEditControl();
5386         SaveEditControlValue();
5387
5388         int rowTop = GetRowTop(m_dragRowOrCol);
5389         SetRowSize( m_dragRowOrCol,
5390                     wxMax( m_dragLastPos - rowTop, WXGRID_MIN_ROW_HEIGHT ) );
5391
5392         if ( !GetBatchCount() )
5393         {
5394             // Only needed to get the correct rect.y:
5395             wxRect rect ( CellToRect( m_dragRowOrCol, 0 ) );
5396             rect.x = 0;
5397             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
5398             rect.width = m_rowLabelWidth;
5399             rect.height = ch - rect.y;
5400             m_rowLabelWin->Refresh( TRUE, &rect );
5401             rect.width = cw;
5402             // if there is a multicell block, paint all of it
5403             if (m_table)
5404             {
5405                 int i, cell_rows, cell_cols, subtract_rows = 0;
5406                 int leftCol = XToCol(left);
5407                 int rightCol = XToCol(left+cw);
5408                 if (leftCol >= 0)
5409                 {
5410                     if (rightCol < 0) rightCol = m_numCols;
5411                     for (i=leftCol; i<rightCol; i++)
5412                     {
5413                         GetCellSize(m_dragRowOrCol, i, &cell_rows, &cell_cols);
5414                         if (cell_rows < subtract_rows)
5415                             subtract_rows = cell_rows;
5416                     }
5417                     rect.y = GetRowTop(m_dragRowOrCol + subtract_rows);
5418                     CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
5419                     rect.height = ch - rect.y;
5420                 }
5421             }
5422             m_gridWin->Refresh( FALSE, &rect );
5423         }
5424
5425         ShowCellEditControl();
5426     }
5427 }
5428
5429
5430 void wxGrid::DoEndDragResizeCol()
5431 {
5432     if ( m_dragLastPos >= 0 )
5433     {
5434         // erase the last line and resize the col
5435         //
5436         int cw, ch, dummy, top;
5437         m_gridWin->GetClientSize( &cw, &ch );
5438         CalcUnscrolledPosition( 0, 0, &dummy, &top );
5439
5440         wxClientDC dc( m_gridWin );
5441         PrepareDC( dc );
5442         dc.SetLogicalFunction( wxINVERT );
5443         dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top+ch );
5444         HideCellEditControl();
5445         SaveEditControlValue();
5446
5447         int colLeft = GetColLeft(m_dragRowOrCol);
5448         SetColSize( m_dragRowOrCol,
5449                     wxMax( m_dragLastPos - colLeft,
5450                            GetColMinimalWidth(m_dragRowOrCol) ) );
5451
5452         if ( !GetBatchCount() )
5453         {
5454             // Only needed to get the correct rect.x:
5455             wxRect rect ( CellToRect( 0, m_dragRowOrCol ) );
5456             rect.y = 0;
5457             CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
5458             rect.width = cw - rect.x;
5459             rect.height = m_colLabelHeight;
5460             m_colLabelWin->Refresh( TRUE, &rect );
5461             rect.height = ch;
5462             // if there is a multicell block, paint all of it
5463             if (m_table)
5464             {
5465                 int i, cell_rows, cell_cols, subtract_cols = 0;
5466                 int topRow = YToRow(top);
5467                 int bottomRow = YToRow(top+cw);
5468                 if (topRow >= 0)
5469                 {
5470                     if (bottomRow < 0) bottomRow = m_numRows;
5471                     for (i=topRow; i<bottomRow; i++)
5472                     {
5473                         GetCellSize(i, m_dragRowOrCol, &cell_rows, &cell_cols);
5474                         if (cell_cols < subtract_cols)
5475                             subtract_cols = cell_cols;
5476                     }
5477                     rect.x = GetColLeft(m_dragRowOrCol + subtract_cols);
5478                     CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
5479                     rect.width = cw - rect.x;
5480                 }
5481             }
5482             m_gridWin->Refresh( FALSE, &rect );
5483         }
5484
5485         ShowCellEditControl();
5486     }
5487 }
5488
5489
5490
5491 //
5492 // ------ interaction with data model
5493 //
5494 bool wxGrid::ProcessTableMessage( wxGridTableMessage& msg )
5495 {
5496     switch ( msg.GetId() )
5497     {
5498         case wxGRIDTABLE_REQUEST_VIEW_GET_VALUES:
5499             return GetModelValues();
5500
5501         case wxGRIDTABLE_REQUEST_VIEW_SEND_VALUES:
5502             return SetModelValues();
5503
5504         case wxGRIDTABLE_NOTIFY_ROWS_INSERTED:
5505         case wxGRIDTABLE_NOTIFY_ROWS_APPENDED:
5506         case wxGRIDTABLE_NOTIFY_ROWS_DELETED:
5507         case wxGRIDTABLE_NOTIFY_COLS_INSERTED:
5508         case wxGRIDTABLE_NOTIFY_COLS_APPENDED:
5509         case wxGRIDTABLE_NOTIFY_COLS_DELETED:
5510             return Redimension( msg );
5511
5512         default:
5513             return FALSE;
5514     }
5515 }
5516
5517
5518
5519 // The behaviour of this function depends on the grid table class
5520 // Clear() function.  For the default wxGridStringTable class the
5521 // behavious is to replace all cell contents with wxEmptyString but
5522 // not to change the number of rows or cols.
5523 //
5524 void wxGrid::ClearGrid()
5525 {
5526     if ( m_table )
5527     {
5528         if (IsCellEditControlEnabled())
5529             DisableCellEditControl();
5530
5531         m_table->Clear();
5532         if ( !GetBatchCount() ) m_gridWin->Refresh();
5533     }
5534 }
5535
5536
5537 bool wxGrid::InsertRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
5538 {
5539     // TODO: something with updateLabels flag
5540
5541     if ( !m_created )
5542     {
5543         wxFAIL_MSG( wxT("Called wxGrid::InsertRows() before calling CreateGrid()") );
5544         return FALSE;
5545     }
5546
5547     if ( m_table )
5548     {
5549         if (IsCellEditControlEnabled())
5550             DisableCellEditControl();
5551
5552         return m_table->InsertRows( pos, numRows );
5553
5554         // the table will have sent the results of the insert row
5555         // operation to this view object as a grid table message
5556     }
5557     return FALSE;
5558 }
5559
5560
5561 bool wxGrid::AppendRows( int numRows, bool WXUNUSED(updateLabels) )
5562 {
5563     // TODO: something with updateLabels flag
5564
5565     if ( !m_created )
5566     {
5567         wxFAIL_MSG( wxT("Called wxGrid::AppendRows() before calling CreateGrid()") );
5568         return FALSE;
5569     }
5570
5571     return ( m_table && m_table->AppendRows( numRows ) );
5572     // the table will have sent the results of the append row
5573     // operation to this view object as a grid table message
5574 }
5575
5576
5577 bool wxGrid::DeleteRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
5578 {
5579     // TODO: something with updateLabels flag
5580
5581     if ( !m_created )
5582     {
5583         wxFAIL_MSG( wxT("Called wxGrid::DeleteRows() before calling CreateGrid()") );
5584         return FALSE;
5585     }
5586
5587     if ( m_table )
5588     {
5589         if (IsCellEditControlEnabled())
5590             DisableCellEditControl();
5591
5592         return (m_table->DeleteRows( pos, numRows ));
5593         // the table will have sent the results of the delete row
5594         // operation to this view object as a grid table message
5595     }
5596     return FALSE;
5597 }
5598
5599
5600 bool wxGrid::InsertCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
5601 {
5602     // TODO: something with updateLabels flag
5603
5604     if ( !m_created )
5605     {
5606         wxFAIL_MSG( wxT("Called wxGrid::InsertCols() before calling CreateGrid()") );
5607         return FALSE;
5608     }
5609
5610     if ( m_table )
5611     {
5612         if (IsCellEditControlEnabled())
5613             DisableCellEditControl();
5614
5615         return m_table->InsertCols( pos, numCols );
5616         // the table will have sent the results of the insert col
5617         // operation to this view object as a grid table message
5618     }
5619     return FALSE;
5620 }
5621
5622
5623 bool wxGrid::AppendCols( int numCols, bool WXUNUSED(updateLabels) )
5624 {
5625     // TODO: something with updateLabels flag
5626
5627     if ( !m_created )
5628     {
5629         wxFAIL_MSG( wxT("Called wxGrid::AppendCols() before calling CreateGrid()") );
5630         return FALSE;
5631     }
5632
5633     return ( m_table && m_table->AppendCols( numCols ) );
5634     // the table will have sent the results of the append col
5635     // operation to this view object as a grid table message
5636 }
5637
5638
5639 bool wxGrid::DeleteCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
5640 {
5641     // TODO: something with updateLabels flag
5642
5643     if ( !m_created )
5644     {
5645         wxFAIL_MSG( wxT("Called wxGrid::DeleteCols() before calling CreateGrid()") );
5646         return FALSE;
5647     }
5648
5649     if ( m_table )
5650     {
5651         if (IsCellEditControlEnabled())
5652             DisableCellEditControl();
5653
5654         return ( m_table->DeleteCols( pos, numCols ) );
5655         // the table will have sent the results of the delete col
5656         // operation to this view object as a grid table message
5657     }
5658     return FALSE;
5659 }
5660
5661
5662
5663 //
5664 // ----- event handlers
5665 //
5666
5667 // Generate a grid event based on a mouse event and
5668 // return the result of ProcessEvent()
5669 //
5670 int wxGrid::SendEvent( const wxEventType type,
5671                         int row, int col,
5672                         wxMouseEvent& mouseEv )
5673 {
5674    bool claimed;
5675    bool vetoed= FALSE;
5676
5677    if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE )
5678    {
5679        int rowOrCol = (row == -1 ? col : row);
5680
5681        wxGridSizeEvent gridEvt( GetId(),
5682                type,
5683                this,
5684                rowOrCol,
5685                mouseEv.GetX() + GetRowLabelSize(),
5686                mouseEv.GetY() + GetColLabelSize(),
5687                mouseEv.ControlDown(),
5688                mouseEv.ShiftDown(),
5689                mouseEv.AltDown(),
5690                mouseEv.MetaDown() );
5691
5692        claimed = GetEventHandler()->ProcessEvent(gridEvt);
5693        vetoed = !gridEvt.IsAllowed();
5694    }
5695    else if ( type == wxEVT_GRID_RANGE_SELECT )
5696    {
5697        // Right now, it should _never_ end up here!
5698        wxGridRangeSelectEvent gridEvt( GetId(),
5699                type,
5700                this,
5701                m_selectingTopLeft,
5702                m_selectingBottomRight,
5703                TRUE,
5704                mouseEv.ControlDown(),
5705                mouseEv.ShiftDown(),
5706                mouseEv.AltDown(),
5707                mouseEv.MetaDown() );
5708
5709        claimed = GetEventHandler()->ProcessEvent(gridEvt);
5710        vetoed = !gridEvt.IsAllowed();
5711    }
5712    else
5713    {
5714        wxGridEvent gridEvt( GetId(),
5715                type,
5716                this,
5717                row, col,
5718                mouseEv.GetX() + GetRowLabelSize(),
5719                mouseEv.GetY() + GetColLabelSize(),
5720                FALSE,
5721                mouseEv.ControlDown(),
5722                mouseEv.ShiftDown(),
5723                mouseEv.AltDown(),
5724                mouseEv.MetaDown() );
5725        claimed = GetEventHandler()->ProcessEvent(gridEvt);
5726        vetoed = !gridEvt.IsAllowed();
5727    }
5728
5729    // A Veto'd event may not be `claimed' so test this first
5730    if (vetoed) return -1;
5731    return claimed ? 1 : 0;
5732 }
5733
5734
5735 // Generate a grid event of specified type and return the result
5736 // of ProcessEvent().
5737 //
5738 int wxGrid::SendEvent( const wxEventType type,
5739                         int row, int col )
5740 {
5741    bool claimed;
5742    bool vetoed= FALSE;
5743
5744     if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE )
5745     {
5746         int rowOrCol = (row == -1 ? col : row);
5747
5748         wxGridSizeEvent gridEvt( GetId(),
5749                                  type,
5750                                  this,
5751                                  rowOrCol );
5752
5753         claimed = GetEventHandler()->ProcessEvent(gridEvt);
5754         vetoed  = !gridEvt.IsAllowed();
5755     }
5756     else
5757     {
5758         wxGridEvent gridEvt( GetId(),
5759                              type,
5760                              this,
5761                              row, col );
5762
5763         claimed = GetEventHandler()->ProcessEvent(gridEvt);
5764         vetoed  = !gridEvt.IsAllowed();
5765      }
5766
5767     // A Veto'd event may not be `claimed' so test this first
5768     if (vetoed) return -1;
5769     return claimed ? 1 : 0;
5770 }
5771
5772
5773 void wxGrid::OnPaint( wxPaintEvent& WXUNUSED(event) )
5774 {
5775     wxPaintDC dc(this);  // needed to prevent zillions of paint events on MSW
5776 }
5777
5778 void wxGrid::Refresh(bool eraseb, const wxRect* rect)
5779 {
5780     // Don't do anything if between Begin/EndBatch...
5781     // EndBatch() will do all this on the last nested one anyway.
5782     if (! GetBatchCount())
5783     {
5784         // Refresh to get correct scrolled position:
5785         wxScrolledWindow::Refresh(eraseb,rect);
5786
5787         if (rect)
5788         {
5789             int rect_x, rect_y, rectWidth, rectHeight;
5790             int width_label, width_cell, height_label, height_cell;
5791             int x, y;
5792
5793             //Copy rectangle can get scroll offsets..
5794             rect_x = rect->GetX();
5795             rect_y = rect->GetY();
5796             rectWidth = rect->GetWidth();
5797             rectHeight = rect->GetHeight();
5798
5799             width_label = m_rowLabelWidth - rect_x;
5800             if (width_label > rectWidth) width_label = rectWidth;
5801
5802             height_label = m_colLabelHeight - rect_y;
5803             if (height_label > rectHeight) height_label = rectHeight;
5804
5805             if (rect_x > m_rowLabelWidth)
5806             {
5807                 x = rect_x - m_rowLabelWidth;
5808                 width_cell = rectWidth;
5809             }
5810             else
5811             {
5812                 x = 0;
5813                 width_cell = rectWidth - (m_rowLabelWidth - rect_x);
5814             }
5815
5816             if (rect_y > m_colLabelHeight)
5817             {
5818                 y = rect_y - m_colLabelHeight;
5819                 height_cell = rectHeight;
5820             }
5821             else
5822             {
5823                 y = 0;
5824                 height_cell = rectHeight - (m_colLabelHeight - rect_y);
5825             }
5826
5827             // Paint corner label part intersecting rect.
5828             if ( width_label > 0 && height_label > 0 )
5829             {
5830                 wxRect anotherrect(rect_x, rect_y, width_label, height_label);
5831                 m_cornerLabelWin->Refresh(eraseb, &anotherrect);
5832             }
5833
5834             // Paint col labels part intersecting rect.
5835             if ( width_cell > 0 && height_label > 0 )
5836             {
5837                 wxRect anotherrect(x, rect_y, width_cell, height_label);
5838                 m_colLabelWin->Refresh(eraseb, &anotherrect);
5839             }
5840
5841             // Paint row labels part intersecting rect.
5842             if ( width_label > 0 && height_cell > 0 )
5843             {
5844                 wxRect anotherrect(rect_x, y, width_label, height_cell);
5845                 m_rowLabelWin->Refresh(eraseb, &anotherrect);
5846             }
5847
5848             // Paint cell area part intersecting rect.
5849             if ( width_cell > 0 && height_cell > 0 )
5850             {
5851                 wxRect anotherrect(x, y, width_cell, height_cell);
5852                 m_gridWin->Refresh(eraseb, &anotherrect);
5853             }
5854         }
5855         else
5856         {
5857             m_cornerLabelWin->Refresh(eraseb, NULL);
5858             m_colLabelWin->Refresh(eraseb, NULL);
5859             m_rowLabelWin->Refresh(eraseb, NULL);
5860             m_gridWin->Refresh(eraseb, NULL);
5861         }
5862     }
5863 }
5864
5865 void wxGrid::OnSize( wxSizeEvent& event )
5866 {
5867     // position the child windows
5868     CalcWindowSizes();
5869
5870     // don't call CalcDimensions() from here, the base class handles the size
5871     // changes itself
5872     event.Skip();
5873 }
5874
5875
5876 void wxGrid::OnKeyDown( wxKeyEvent& event )
5877 {
5878     if ( m_inOnKeyDown )
5879     {
5880         // shouldn't be here - we are going round in circles...
5881         //
5882         wxFAIL_MSG( wxT("wxGrid::OnKeyDown called while already active") );
5883     }
5884
5885     m_inOnKeyDown = TRUE;
5886
5887     // propagate the event up and see if it gets processed
5888     //
5889     wxWindow *parent = GetParent();
5890     wxKeyEvent keyEvt( event );
5891     keyEvt.SetEventObject( parent );
5892
5893     if ( !parent->GetEventHandler()->ProcessEvent( keyEvt ) )
5894     {
5895
5896         // try local handlers
5897         //
5898         switch ( event.KeyCode() )
5899         {
5900             case WXK_UP:
5901                 if ( event.ControlDown() )
5902                 {
5903                     MoveCursorUpBlock( event.ShiftDown() );
5904                 }
5905                 else
5906                 {
5907                     MoveCursorUp( event.ShiftDown() );
5908                 }
5909                 break;
5910
5911             case WXK_DOWN:
5912                 if ( event.ControlDown() )
5913                 {
5914                     MoveCursorDownBlock( event.ShiftDown() );
5915                 }
5916                 else
5917                 {
5918                     MoveCursorDown( event.ShiftDown() );
5919                 }
5920                 break;
5921
5922             case WXK_LEFT:
5923                 if ( event.ControlDown() )
5924                 {
5925                     MoveCursorLeftBlock( event.ShiftDown() );
5926                 }
5927                 else
5928                 {
5929                     MoveCursorLeft( event.ShiftDown() );
5930                 }
5931                 break;
5932
5933             case WXK_RIGHT:
5934                 if ( event.ControlDown() )
5935                 {
5936                     MoveCursorRightBlock( event.ShiftDown() );
5937                 }
5938                 else
5939                 {
5940                     MoveCursorRight( event.ShiftDown() );
5941                 }
5942                 break;
5943
5944             case WXK_RETURN:
5945             case WXK_NUMPAD_ENTER:
5946                 if ( event.ControlDown() )
5947                 {
5948                     event.Skip();  // to let the edit control have the return
5949                 }
5950                 else
5951                 {
5952                     if ( GetGridCursorRow() < GetNumberRows()-1 )
5953                     {
5954                         MoveCursorDown( event.ShiftDown() );
5955                     }
5956                     else
5957                     {
5958                         // at the bottom of a column
5959                         HideCellEditControl();
5960                         SaveEditControlValue();
5961                     }
5962                 }
5963                 break;
5964
5965             case WXK_ESCAPE:
5966                 ClearSelection();
5967                 break;
5968
5969             case WXK_TAB:
5970                 if (event.ShiftDown())
5971                 {
5972                     if ( GetGridCursorCol() > 0 )
5973                     {
5974                         MoveCursorLeft( FALSE );
5975                     }
5976                     else
5977                     {
5978                         // at left of grid
5979                         HideCellEditControl();
5980                         SaveEditControlValue();
5981                     }
5982                 }
5983                 else
5984                 {
5985                     if ( GetGridCursorCol() < GetNumberCols()-1 )
5986                     {
5987                         MoveCursorRight( FALSE );
5988                     }
5989                     else
5990                     {
5991                         // at right of grid
5992                         HideCellEditControl();
5993                         SaveEditControlValue();
5994                     }
5995                 }
5996                 break;
5997
5998             case WXK_HOME:
5999                 if ( event.ControlDown() )
6000                 {
6001                     MakeCellVisible( 0, 0 );
6002                     SetCurrentCell( 0, 0 );
6003                 }
6004                 else
6005                 {
6006                     event.Skip();
6007                 }
6008                 break;
6009
6010             case WXK_END:
6011                 if ( event.ControlDown() )
6012                 {
6013                     MakeCellVisible( m_numRows-1, m_numCols-1 );
6014                     SetCurrentCell( m_numRows-1, m_numCols-1 );
6015                 }
6016                 else
6017                 {
6018                     event.Skip();
6019                 }
6020                 break;
6021
6022             case WXK_PRIOR:
6023                 MovePageUp();
6024                 break;
6025
6026             case WXK_NEXT:
6027                 MovePageDown();
6028                 break;
6029
6030             case WXK_SPACE:
6031                 if ( event.ControlDown() )
6032                 {
6033                     if ( m_selection )
6034                     {
6035                         m_selection->ToggleCellSelection( m_currentCellCoords.GetRow(),
6036                                                           m_currentCellCoords.GetCol(),
6037                                                           event.ControlDown(),
6038                                                           event.ShiftDown(),
6039                                                           event.AltDown(),
6040                                                           event.MetaDown() );
6041                     }
6042                     break;
6043                 }
6044                 if ( !IsEditable() )
6045                 {
6046                     MoveCursorRight( FALSE );
6047                     break;
6048                 }
6049                 // Otherwise fall through to default
6050
6051             default:
6052                 // is it possible to edit the current cell at all?
6053                 if ( !IsCellEditControlEnabled() && CanEnableCellControl() )
6054                 {
6055                     // yes, now check whether the cells editor accepts the key
6056                     int row = m_currentCellCoords.GetRow();
6057                     int col = m_currentCellCoords.GetCol();
6058                     wxGridCellAttr* attr = GetCellAttr(row, col);
6059                     wxGridCellEditor *editor = attr->GetEditor(this, row, col);
6060
6061                     // <F2> is special and will always start editing, for
6062                     // other keys - ask the editor itself
6063                     if ( (event.KeyCode() == WXK_F2 && !event.HasModifiers())
6064                          || editor->IsAcceptedKey(event) )
6065                     {
6066                         EnableCellEditControl();
6067
6068                         // the editor could be not shown for a variety of
6069                         // reasons (i.e. blocked by the app or whatever), so
6070                         // check if it really was created
6071                         if ( m_cellEditCtrlEnabled )
6072                         {
6073                             editor->StartingKey(event);
6074                         }
6075                     }
6076                     else
6077                     {
6078                         event.Skip();
6079                     }
6080
6081                     editor->DecRef();
6082                     attr->DecRef();
6083                 }
6084                 else
6085                 {
6086                     // let others process char events with modifiers or all
6087                     // char events for readonly cells
6088                     event.Skip();
6089                 }
6090                 break;
6091         }
6092     }
6093
6094     m_inOnKeyDown = FALSE;
6095 }
6096
6097 void wxGrid::OnKeyUp( wxKeyEvent& event )
6098 {
6099     // try local handlers
6100     //
6101     if ( event.KeyCode() == WXK_SHIFT )
6102     {
6103         if ( m_selectingTopLeft != wxGridNoCellCoords &&
6104              m_selectingBottomRight != wxGridNoCellCoords )
6105         {
6106             if ( m_selection )
6107             {
6108                 m_selection->SelectBlock( m_selectingTopLeft.GetRow(),
6109                                           m_selectingTopLeft.GetCol(),
6110                                           m_selectingBottomRight.GetRow(),
6111                                           m_selectingBottomRight.GetCol(),
6112                                           event.ControlDown(),
6113                                           TRUE,
6114                                           event.AltDown(),
6115                                           event.MetaDown() );
6116             }
6117         }
6118
6119         m_selectingTopLeft = wxGridNoCellCoords;
6120         m_selectingBottomRight = wxGridNoCellCoords;
6121         m_selectingKeyboard = wxGridNoCellCoords;
6122     }
6123 }
6124
6125 void wxGrid::OnEraseBackground(wxEraseEvent&)
6126 {
6127 }
6128
6129 void wxGrid::SetCurrentCell( const wxGridCellCoords& coords )
6130 {
6131     if ( SendEvent( wxEVT_GRID_SELECT_CELL, coords.GetRow(), coords.GetCol() ) )
6132     {
6133         // the event has been intercepted - do nothing
6134         return;
6135     }
6136
6137     wxClientDC dc(m_gridWin);
6138     PrepareDC(dc);
6139
6140     if ( m_currentCellCoords != wxGridNoCellCoords )
6141     {
6142         HideCellEditControl();
6143         DisableCellEditControl();
6144
6145         if ( IsVisible( m_currentCellCoords, FALSE ) )
6146         {
6147             wxRect r;
6148             r = BlockToDeviceRect(m_currentCellCoords, m_currentCellCoords);
6149             if ( !m_gridLinesEnabled )
6150             {
6151                 r.x--;
6152                 r.y--;
6153                 r.width++;
6154                 r.height++;
6155             }
6156
6157             wxGridCellCoordsArray cells = CalcCellsExposed( r );
6158
6159             // Otherwise refresh redraws the highlight!
6160             m_currentCellCoords = coords;
6161
6162             DrawGridCellArea(dc,cells);
6163             DrawAllGridLines( dc, r );
6164         }
6165     }
6166
6167     m_currentCellCoords = coords;
6168
6169     wxGridCellAttr* attr = GetCellAttr(coords);
6170     DrawCellHighlight(dc, attr);
6171     attr->DecRef();
6172 }
6173
6174
6175 void wxGrid::HighlightBlock( int topRow, int leftCol, int bottomRow, int rightCol )
6176 {
6177     int temp;
6178     wxGridCellCoords updateTopLeft, updateBottomRight;
6179
6180     if ( m_selection )
6181     {
6182         if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectRows )
6183         {
6184             leftCol = 0;
6185             rightCol = GetNumberCols() - 1;
6186         }
6187         else if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectColumns )
6188         {
6189             topRow = 0;
6190             bottomRow = GetNumberRows() - 1;
6191         }
6192     }
6193
6194     if ( topRow > bottomRow )
6195     {
6196         temp = topRow;
6197         topRow = bottomRow;
6198         bottomRow = temp;
6199     }
6200
6201     if ( leftCol > rightCol )
6202     {
6203         temp = leftCol;
6204         leftCol = rightCol;
6205         rightCol = temp;
6206     }
6207
6208     updateTopLeft = wxGridCellCoords( topRow, leftCol );
6209     updateBottomRight = wxGridCellCoords( bottomRow, rightCol );
6210
6211     // First the case that we selected a completely new area
6212     if ( m_selectingTopLeft == wxGridNoCellCoords ||
6213          m_selectingBottomRight == wxGridNoCellCoords )
6214     {
6215         wxRect rect;
6216         rect = BlockToDeviceRect( wxGridCellCoords ( topRow, leftCol ),
6217                                   wxGridCellCoords ( bottomRow, rightCol ) );
6218         m_gridWin->Refresh( FALSE, &rect );
6219     }
6220     // Now handle changing an existing selection area.
6221     else if ( m_selectingTopLeft != updateTopLeft ||
6222               m_selectingBottomRight != updateBottomRight )
6223     {
6224         // Compute two optimal update rectangles:
6225         // Either one rectangle is a real subset of the
6226         // other, or they are (almost) disjoint!
6227         wxRect  rect[4];
6228         bool    need_refresh[4];
6229         need_refresh[0] =
6230         need_refresh[1] =
6231         need_refresh[2] =
6232         need_refresh[3] = FALSE;
6233         int     i;
6234
6235         // Store intermediate values
6236         wxCoord oldLeft   = m_selectingTopLeft.GetCol();
6237         wxCoord oldTop    = m_selectingTopLeft.GetRow();
6238         wxCoord oldRight  = m_selectingBottomRight.GetCol();
6239         wxCoord oldBottom = m_selectingBottomRight.GetRow();
6240
6241         // Determine the outer/inner coordinates.
6242         if (oldLeft > leftCol)
6243         {
6244             temp = oldLeft;
6245             oldLeft = leftCol;
6246             leftCol = temp;
6247         }
6248         if (oldTop > topRow )
6249         {
6250             temp = oldTop;
6251             oldTop = topRow;
6252             topRow = temp;
6253         }
6254         if (oldRight < rightCol )
6255         {
6256             temp = oldRight;
6257             oldRight = rightCol;
6258             rightCol = temp;
6259         }
6260         if (oldBottom < bottomRow)
6261         {
6262             temp = oldBottom;
6263             oldBottom = bottomRow;
6264             bottomRow = temp;
6265         }
6266
6267         // Now, either the stuff marked old is the outer
6268         // rectangle or we don't have a situation where one
6269         // is contained in the other.
6270
6271         if ( oldLeft < leftCol )
6272         {
6273             // Refresh the newly selected or deselected
6274             // area to the left of the old or new selection.
6275             need_refresh[0] = TRUE;
6276             rect[0] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
6277                                                             oldLeft ),
6278                                          wxGridCellCoords ( oldBottom,
6279                                                             leftCol - 1 ) );
6280         }
6281
6282         if ( oldTop  < topRow )
6283         {
6284             // Refresh the newly selected or deselected
6285             // area above the old or new selection.
6286             need_refresh[1] = TRUE;
6287             rect[1] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
6288                                                             leftCol ),
6289                                          wxGridCellCoords ( topRow - 1,
6290                                                             rightCol ) );
6291         }
6292
6293         if ( oldRight > rightCol )
6294         {
6295             // Refresh the newly selected or deselected
6296             // area to the right of the old or new selection.
6297             need_refresh[2] = TRUE;
6298             rect[2] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
6299                                                             rightCol + 1 ),
6300                                          wxGridCellCoords ( oldBottom,
6301                                                             oldRight ) );
6302         }
6303
6304         if ( oldBottom > bottomRow )
6305         {
6306             // Refresh the newly selected or deselected
6307             // area below the old or new selection.
6308             need_refresh[3] = TRUE;
6309             rect[3] = BlockToDeviceRect( wxGridCellCoords ( bottomRow + 1,
6310                                                             leftCol ),
6311                                          wxGridCellCoords ( oldBottom,
6312                                                             rightCol ) );
6313         }
6314
6315         // various Refresh() calls
6316         for (i = 0; i < 4; i++ )
6317             if ( need_refresh[i] && rect[i] != wxGridNoCellRect )
6318                 m_gridWin->Refresh( FALSE, &(rect[i]) );
6319     }
6320     // Change Selection
6321     m_selectingTopLeft = updateTopLeft;
6322     m_selectingBottomRight = updateBottomRight;
6323 }
6324
6325 //
6326 // ------ functions to get/send data (see also public functions)
6327 //
6328
6329 bool wxGrid::GetModelValues()
6330 {
6331     // Hide the editor, so it won't hide a changed value.
6332     HideCellEditControl();
6333
6334     if ( m_table )
6335     {
6336         // all we need to do is repaint the grid
6337         //
6338         m_gridWin->Refresh();
6339         return TRUE;
6340     }
6341
6342     return FALSE;
6343 }
6344
6345
6346 bool wxGrid::SetModelValues()
6347 {
6348     int row, col;
6349
6350     // Disable the editor, so it won't hide a changed value.
6351     // Do we also want to save the current value of the editor first?
6352     // I think so ...
6353     DisableCellEditControl();
6354
6355     if ( m_table )
6356     {
6357         for ( row = 0;  row < m_numRows;  row++ )
6358         {
6359             for ( col = 0;  col < m_numCols;  col++ )
6360             {
6361                 m_table->SetValue( row, col, GetCellValue(row, col) );
6362             }
6363         }
6364
6365         return TRUE;
6366     }
6367
6368     return FALSE;
6369 }
6370
6371
6372
6373 // Note - this function only draws cells that are in the list of
6374 // exposed cells (usually set from the update region by
6375 // CalcExposedCells)
6376 //
6377 void wxGrid::DrawGridCellArea( wxDC& dc, const wxGridCellCoordsArray& cells )
6378 {
6379     if ( !m_numRows || !m_numCols ) return;
6380
6381     int i, j, k, l, numCells = cells.GetCount();
6382     int row, col, cell_rows, cell_cols;
6383     wxGridCellCoordsArray redrawCells;
6384
6385     for ( i = numCells-1; i >= 0;  i-- )
6386     {
6387         row = cells[i].GetRow();
6388         col = cells[i].GetCol();
6389         GetCellSize( row, col, &cell_rows, &cell_cols );
6390
6391         // If this cell is part of a multicell block, find owner for repaint
6392         if ( cell_rows <= 0 || cell_cols <= 0 )
6393         {
6394             wxGridCellCoords cell(row+cell_rows, col+cell_cols);
6395             bool marked = FALSE;
6396             for ( j = 0;  j < numCells;  j++ )
6397             {
6398                 if ( cell == cells[j] )
6399                 {
6400                     marked = TRUE;
6401                     break;
6402                 }
6403             }
6404             if (!marked)
6405             {
6406                 int count = redrawCells.GetCount();
6407                 for (j = 0; j < count; j++)
6408                 {
6409                     if ( cell == redrawCells[j] )
6410                     {
6411                         marked = TRUE;
6412                         break;
6413                     }
6414                 }
6415                 if (!marked) redrawCells.Add( cell );
6416             }
6417             continue; // don't bother drawing this cell
6418         }
6419
6420         // If this cell is empty, find cell to left that might want to overflow
6421         if (m_table && m_table->IsEmptyCell(row, col))
6422         {
6423             for ( l = 0; l < cell_rows; l++ )
6424             {
6425                 for (j = col-1; j >= 0; j--)
6426                 {
6427                     if (!m_table->IsEmptyCell(row+l, j))
6428                     {
6429                         if (GetCellOverflow(row+l, j))
6430                         {
6431                             wxGridCellCoords cell(row+l, j);
6432                             bool marked = FALSE;
6433
6434                             for (k = 0; k < numCells; k++)
6435                             {
6436                                 if ( cell == cells[k] )
6437                                 {
6438                                     marked = TRUE;
6439                                     break;
6440                                 }
6441                             }
6442                             if (!marked)
6443                             {
6444                                 int count = redrawCells.GetCount();
6445                                 for (k = 0; k < count; k++)
6446                                 {
6447                                     if ( cell == redrawCells[k] )
6448                                     {
6449                                         marked = TRUE;
6450                                         break;
6451                                     }
6452                                 }
6453                                 if (!marked) redrawCells.Add( cell );
6454                             }
6455                         }
6456                         break;
6457                     }
6458                 }
6459             }
6460         }
6461         DrawCell( dc, cells[i] );
6462     }
6463
6464     numCells = redrawCells.GetCount();
6465
6466     for ( i = numCells - 1; i >= 0;  i-- )
6467     {
6468         DrawCell( dc, redrawCells[i] );
6469     }
6470 }
6471
6472
6473 void wxGrid::DrawGridSpace( wxDC& dc )
6474 {
6475   int cw, ch;
6476   m_gridWin->GetClientSize( &cw, &ch );
6477
6478   int right, bottom;
6479   CalcUnscrolledPosition( cw, ch, &right, &bottom );
6480
6481   int rightCol = m_numCols > 0 ? GetColRight(m_numCols - 1) : 0;
6482   int bottomRow = m_numRows > 0 ? GetRowBottom(m_numRows - 1) : 0 ;
6483
6484   if ( right > rightCol || bottom > bottomRow )
6485   {
6486       int left, top;
6487       CalcUnscrolledPosition( 0, 0, &left, &top );
6488
6489       dc.SetBrush( wxBrush(GetDefaultCellBackgroundColour(), wxSOLID) );
6490       dc.SetPen( *wxTRANSPARENT_PEN );
6491
6492       if ( right > rightCol )
6493       {
6494           dc.DrawRectangle( rightCol, top, right - rightCol, ch);
6495       }
6496
6497       if ( bottom > bottomRow )
6498       {
6499           dc.DrawRectangle( left, bottomRow, cw, bottom - bottomRow);
6500       }
6501   }
6502 }
6503
6504
6505 void wxGrid::DrawCell( wxDC& dc, const wxGridCellCoords& coords )
6506 {
6507     int row = coords.GetRow();
6508     int col = coords.GetCol();
6509
6510     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
6511         return;
6512
6513     // we draw the cell border ourselves
6514 #if !WXGRID_DRAW_LINES
6515     if ( m_gridLinesEnabled )
6516         DrawCellBorder( dc, coords );
6517 #endif
6518
6519     wxGridCellAttr* attr = GetCellAttr(row, col);
6520
6521     bool isCurrent = coords == m_currentCellCoords;
6522
6523     wxRect rect = CellToRect( row, col );
6524
6525     // if the editor is shown, we should use it and not the renderer
6526     // Note: However, only if it is really _shown_, i.e. not hidden!
6527     if ( isCurrent && IsCellEditControlShown() )
6528     {
6529         wxGridCellEditor *editor = attr->GetEditor(this, row, col);
6530         editor->PaintBackground(rect, attr);
6531         editor->DecRef();
6532     }
6533     else
6534     {
6535         // but all the rest is drawn by the cell renderer and hence may be
6536         // customized
6537         wxGridCellRenderer *renderer = attr->GetRenderer(this, row, col);
6538         renderer->Draw(*this, *attr, dc, rect, row, col, IsInSelection(coords));
6539         renderer->DecRef();
6540     }
6541
6542     attr->DecRef();
6543 }
6544
6545 void wxGrid::DrawCellHighlight( wxDC& dc, const wxGridCellAttr *attr )
6546 {
6547     int row = m_currentCellCoords.GetRow();
6548     int col = m_currentCellCoords.GetCol();
6549
6550     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
6551         return;
6552
6553     wxRect rect = CellToRect(row, col);
6554
6555     // hmmm... what could we do here to show that the cell is disabled?
6556     // for now, I just draw a thinner border than for the other ones, but
6557     // it doesn't look really good
6558
6559     int penWidth = attr->IsReadOnly() ? m_cellHighlightROPenWidth : m_cellHighlightPenWidth;
6560
6561     if (penWidth > 0)
6562     {
6563         // The center of th drawn line is where the position/width/height of
6564         // the rectangle is actually at, (on wxMSW atr least,) so we will
6565         // reduce the size of the rectangle to compensate for the thickness of
6566         // the line.  If this is too strange on non wxMSW platforms then
6567         // please #ifdef this appropriately.
6568         rect.x += penWidth/2;
6569         rect.y += penWidth/2;
6570         rect.width -= penWidth-1;
6571         rect.height -= penWidth-1;
6572
6573
6574         // Now draw the rectangle
6575         dc.SetPen(wxPen(m_cellHighlightColour, penWidth, wxSOLID));
6576         dc.SetBrush(*wxTRANSPARENT_BRUSH);
6577         dc.DrawRectangle(rect);
6578     }
6579
6580 #if 0
6581         // VZ: my experiments with 3d borders...
6582
6583         // how to properly set colours for arbitrary bg?
6584         wxCoord x1 = rect.x,
6585                 y1 = rect.y,
6586                 x2 = rect.x + rect.width -1,
6587                 y2 = rect.y + rect.height -1;
6588
6589         dc.SetPen(*wxWHITE_PEN);
6590         dc.DrawLine(x1, y1, x2, y1);
6591         dc.DrawLine(x1, y1, x1, y2);
6592
6593         dc.DrawLine(x1 + 1, y2 - 1, x2 - 1, y2 - 1);
6594         dc.DrawLine(x2 - 1, y1 + 1, x2 - 1, y2 );
6595
6596         dc.SetPen(*wxBLACK_PEN);
6597         dc.DrawLine(x1, y2, x2, y2);
6598         dc.DrawLine(x2, y1, x2, y2+1);
6599 #endif // 0
6600 }
6601
6602
6603 void wxGrid::DrawCellBorder( wxDC& dc, const wxGridCellCoords& coords )
6604 {
6605     int row = coords.GetRow();
6606     int col = coords.GetCol();
6607     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
6608         return;
6609
6610     dc.SetPen( wxPen(GetGridLineColour(), 1, wxSOLID) );
6611
6612     wxRect rect = CellToRect( row, col );
6613
6614     // right hand border
6615     //
6616     dc.DrawLine( rect.x + rect.width, rect.y,
6617                  rect.x + rect.width, rect.y + rect.height + 1 );
6618
6619     // bottom border
6620     //
6621     dc.DrawLine( rect.x,              rect.y + rect.height,
6622                  rect.x + rect.width, rect.y + rect.height);
6623 }
6624
6625 void wxGrid::DrawHighlight(wxDC& dc,const  wxGridCellCoordsArray& cells)
6626 {
6627     // This if block was previously in wxGrid::OnPaint but that doesn't
6628     // seem to get called under wxGTK - MB
6629     //
6630     if ( m_currentCellCoords == wxGridNoCellCoords  &&
6631          m_numRows && m_numCols )
6632     {
6633         m_currentCellCoords.Set(0, 0);
6634     }
6635
6636     if ( IsCellEditControlShown() )
6637     {
6638         // don't show highlight when the edit control is shown
6639         return;
6640     }
6641
6642     // if the active cell was repainted, repaint its highlight too because it
6643     // might have been damaged by the grid lines
6644     size_t count = cells.GetCount();
6645     for ( size_t n = 0; n < count; n++ )
6646     {
6647         if ( cells[n] == m_currentCellCoords )
6648         {
6649             wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords);
6650             DrawCellHighlight(dc, attr);
6651             attr->DecRef();
6652
6653             break;
6654         }
6655     }
6656 }
6657
6658 // TODO: remove this ???
6659 // This is used to redraw all grid lines e.g. when the grid line colour
6660 // has been changed
6661 //
6662 void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & WXUNUSED(reg) )
6663 {
6664 #if !WXGRID_DRAW_LINES
6665     return;
6666 #endif
6667
6668     if ( !m_gridLinesEnabled ||
6669          !m_numRows ||
6670          !m_numCols ) return;
6671
6672     int top, bottom, left, right;
6673
6674 #if 0  //#ifndef __WXGTK__
6675     if (reg.IsEmpty())
6676     {
6677       int cw, ch;
6678       m_gridWin->GetClientSize(&cw, &ch);
6679
6680       // virtual coords of visible area
6681       //
6682       CalcUnscrolledPosition( 0, 0, &left, &top );
6683       CalcUnscrolledPosition( cw, ch, &right, &bottom );
6684     }
6685     else
6686     {
6687       wxCoord x, y, w, h;
6688       reg.GetBox(x, y, w, h);
6689       CalcUnscrolledPosition( x, y, &left, &top );
6690       CalcUnscrolledPosition( x + w, y + h, &right, &bottom );
6691     }
6692 #else
6693       int cw, ch;
6694       m_gridWin->GetClientSize(&cw, &ch);
6695       CalcUnscrolledPosition( 0, 0, &left, &top );
6696       CalcUnscrolledPosition( cw, ch, &right, &bottom );
6697 #endif
6698
6699     // avoid drawing grid lines past the last row and col
6700     //
6701     right = wxMin( right, GetColRight(m_numCols - 1) );
6702     bottom = wxMin( bottom, GetRowBottom(m_numRows - 1) );
6703
6704     // no gridlines inside multicells, clip them out
6705     int leftCol   = XToCol(left);
6706     int topRow    = YToRow(top);
6707     int rightCol  = XToCol(right);
6708     int bottomRow = YToRow(bottom);
6709     wxRegion clippedcells(0, 0, cw, ch);
6710
6711     if ((leftCol >= 0) && (topRow >= 0))
6712     {
6713         if (rightCol  < 0) rightCol  = m_numCols;
6714         if (bottomRow < 0) bottomRow = m_numRows;
6715
6716         int i, j, cell_rows, cell_cols;
6717         wxRect rect;
6718
6719         for (j=topRow; j<bottomRow; j++)
6720         {
6721             for (i=leftCol; i<rightCol; i++)
6722             {
6723                 GetCellSize( j, i, &cell_rows, &cell_cols );
6724                 if ((cell_rows > 1) || (cell_cols > 1))
6725                 {
6726                     rect = CellToRect(j,i);
6727                     CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
6728                     clippedcells.Subtract(rect);
6729                 }
6730                 else if ((cell_rows < 0) || (cell_cols < 0))
6731                 {
6732                     rect = CellToRect(j+cell_rows, i+cell_cols);
6733                     CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
6734                     clippedcells.Subtract(rect);
6735                 }
6736             }
6737         }
6738     }
6739     dc.SetClippingRegion( clippedcells );
6740
6741     dc.SetPen( wxPen(GetGridLineColour(), 1, wxSOLID) );
6742
6743     // horizontal grid lines
6744     //
6745     int i;
6746     for ( i = internalYToRow(top); i < m_numRows; i++ )
6747     {
6748         int bot = GetRowBottom(i) - 1;
6749
6750         if ( bot > bottom )
6751         {
6752             break;
6753         }
6754
6755         if ( bot >= top )
6756         {
6757             dc.DrawLine( left, bot, right, bot );
6758         }
6759     }
6760
6761
6762     // vertical grid lines
6763     //
6764     for ( i = internalXToCol(left); i < m_numCols; i++ )
6765     {
6766         int colRight = GetColRight(i) - 1;
6767         if ( colRight > right )
6768         {
6769             break;
6770         }
6771
6772         if ( colRight >= left )
6773         {
6774             dc.DrawLine( colRight, top, colRight, bottom );
6775         }
6776     }
6777     dc.DestroyClippingRegion();
6778 }
6779
6780
6781 void wxGrid::DrawRowLabels( wxDC& dc ,const wxArrayInt& rows)
6782 {
6783     if ( !m_numRows ) return;
6784
6785     size_t i;
6786     size_t numLabels = rows.GetCount();
6787
6788     for ( i = 0;  i < numLabels;  i++ )
6789     {
6790         DrawRowLabel( dc, rows[i] );
6791     }
6792 }
6793
6794
6795 void wxGrid::DrawRowLabel( wxDC& dc, int row )
6796 {
6797     if ( GetRowHeight(row) <= 0 )
6798         return;
6799
6800     int rowTop = GetRowTop(row),
6801         rowBottom = GetRowBottom(row) - 1;
6802
6803     dc.SetPen( *wxBLACK_PEN );
6804     dc.DrawLine( m_rowLabelWidth-1, rowTop,
6805                  m_rowLabelWidth-1, rowBottom );
6806
6807     dc.DrawLine( 0, rowBottom, m_rowLabelWidth-1, rowBottom );
6808
6809     dc.SetPen( *wxWHITE_PEN );
6810     dc.DrawLine( 0, rowTop, 0, rowBottom );
6811     dc.DrawLine( 0, rowTop, m_rowLabelWidth-1, rowTop );
6812
6813     dc.SetBackgroundMode( wxTRANSPARENT );
6814     dc.SetTextForeground( GetLabelTextColour() );
6815     dc.SetFont( GetLabelFont() );
6816
6817     int hAlign, vAlign;
6818     GetRowLabelAlignment( &hAlign, &vAlign );
6819
6820     wxRect rect;
6821     rect.SetX( 2 );
6822     rect.SetY( GetRowTop(row) + 2 );
6823     rect.SetWidth( m_rowLabelWidth - 4 );
6824     rect.SetHeight( GetRowHeight(row) - 4 );
6825     DrawTextRectangle( dc, GetRowLabelValue( row ), rect, hAlign, vAlign );
6826 }
6827
6828
6829 void wxGrid::DrawColLabels( wxDC& dc,const wxArrayInt& cols )
6830 {
6831     if ( !m_numCols ) return;
6832
6833     size_t i;
6834     size_t numLabels = cols.GetCount();
6835
6836     for ( i = 0;  i < numLabels;  i++ )
6837     {
6838         DrawColLabel( dc, cols[i] );
6839     }
6840 }
6841
6842
6843 void wxGrid::DrawColLabel( wxDC& dc, int col )
6844 {
6845     if ( GetColWidth(col) <= 0 )
6846         return;
6847
6848     int colLeft = GetColLeft(col),
6849         colRight = GetColRight(col) - 1;
6850
6851     dc.SetPen( *wxBLACK_PEN );
6852     dc.DrawLine( colRight, 0,
6853                  colRight, m_colLabelHeight-1 );
6854
6855     dc.DrawLine( colLeft, m_colLabelHeight-1,
6856                  colRight, m_colLabelHeight-1 );
6857
6858     dc.SetPen( *wxWHITE_PEN );
6859     dc.DrawLine( colLeft, 0, colLeft, m_colLabelHeight-1 );
6860     dc.DrawLine( colLeft, 0, colRight, 0 );
6861
6862     dc.SetBackgroundMode( wxTRANSPARENT );
6863     dc.SetTextForeground( GetLabelTextColour() );
6864     dc.SetFont( GetLabelFont() );
6865
6866     dc.SetBackgroundMode( wxTRANSPARENT );
6867     dc.SetTextForeground( GetLabelTextColour() );
6868     dc.SetFont( GetLabelFont() );
6869
6870     int hAlign, vAlign;
6871     GetColLabelAlignment( &hAlign, &vAlign );
6872
6873     wxRect rect;
6874     rect.SetX( colLeft + 2 );
6875     rect.SetY( 2 );
6876     rect.SetWidth( GetColWidth(col) - 4 );
6877     rect.SetHeight( m_colLabelHeight - 4 );
6878     DrawTextRectangle( dc, GetColLabelValue( col ), rect, hAlign, vAlign );
6879 }
6880
6881 void wxGrid::DrawTextRectangle( wxDC& dc,
6882                                 const wxString& value,
6883                                 const wxRect& rect,
6884                                 int horizAlign,
6885                                 int vertAlign )
6886 {
6887     wxArrayString lines;
6888
6889     StringToLines( value, lines );
6890
6891
6892     //Forward to new API.
6893     DrawTextRectangle(  dc,
6894                         lines,
6895                         rect,
6896                         horizAlign,
6897                         vertAlign );
6898
6899 }
6900
6901 void wxGrid::DrawTextRectangle( wxDC& dc,
6902                                 const wxArrayString& lines,
6903                                 const wxRect& rect,
6904                                 int horizAlign,
6905                                 int vertAlign )
6906 {
6907     long textWidth, textHeight;
6908     long lineWidth, lineHeight;
6909
6910     dc.SetClippingRegion( rect );
6911     if ( lines.GetCount() )
6912     {
6913         GetTextBoxSize( dc, lines, &textWidth, &textHeight );
6914         dc.GetTextExtent( lines[0], &lineWidth, &lineHeight );
6915
6916         float x, y;
6917         switch ( horizAlign )
6918         {
6919             case wxALIGN_RIGHT:
6920                 x = rect.x + (rect.width - textWidth - 1);
6921                 break;
6922
6923             case wxALIGN_CENTRE:
6924                 x = rect.x + ((rect.width - textWidth)/2);
6925                 break;
6926
6927             case wxALIGN_LEFT:
6928             default:
6929                 x = rect.x + 1;
6930                 break;
6931         }
6932
6933         switch ( vertAlign )
6934         {
6935             case wxALIGN_BOTTOM:
6936                 y = rect.y + (rect.height - textHeight - 1);
6937                 break;
6938
6939             case wxALIGN_CENTRE:
6940                 y = rect.y + ((rect.height - textHeight)/2);
6941                 break;
6942
6943             case wxALIGN_TOP:
6944             default:
6945                 y = rect.y + 1;
6946                 break;
6947         }
6948
6949         for ( size_t i = 0;  i < lines.GetCount();  i++ )
6950         {
6951             dc.DrawText( lines[i], (int)x, (int)y );
6952             y += lineHeight;
6953         }
6954     }
6955
6956     dc.DestroyClippingRegion();
6957 }
6958
6959
6960 // Split multi line text up into an array of strings.  Any existing
6961 // contents of the string array are preserved.
6962 //
6963 void wxGrid::StringToLines( const wxString& value, wxArrayString& lines )
6964 {
6965     int startPos = 0;
6966     int pos;
6967     wxString eol = wxTextFile::GetEOL( wxTextFileType_Unix );
6968     wxString tVal = wxTextFile::Translate( value, wxTextFileType_Unix );
6969
6970     while ( startPos < (int)tVal.Length() )
6971     {
6972         pos = tVal.Mid(startPos).Find( eol );
6973         if ( pos < 0 )
6974         {
6975             break;
6976         }
6977         else if ( pos == 0 )
6978         {
6979             lines.Add( wxEmptyString );
6980         }
6981         else
6982         {
6983             lines.Add( value.Mid(startPos, pos) );
6984         }
6985         startPos += pos+1;
6986     }
6987     if ( startPos < (int)value.Length() )
6988     {
6989         lines.Add( value.Mid( startPos ) );
6990     }
6991 }
6992
6993
6994 void wxGrid::GetTextBoxSize( wxDC& dc,
6995                              const wxArrayString& lines,
6996                              long *width, long *height )
6997 {
6998     long w = 0;
6999     long h = 0;
7000     long lineW, lineH;
7001
7002     size_t i;
7003     for ( i = 0;  i < lines.GetCount();  i++ )
7004     {
7005         dc.GetTextExtent( lines[i], &lineW, &lineH );
7006         w = wxMax( w, lineW );
7007         h += lineH;
7008     }
7009
7010     *width = w;
7011     *height = h;
7012 }
7013
7014 //
7015 // ------ Batch processing.
7016 //
7017 void wxGrid::EndBatch()
7018 {
7019     if ( m_batchCount > 0 )
7020     {
7021         m_batchCount--;
7022         if ( !m_batchCount )
7023         {
7024             CalcDimensions();
7025             m_rowLabelWin->Refresh();
7026             m_colLabelWin->Refresh();
7027             m_cornerLabelWin->Refresh();
7028             m_gridWin->Refresh();
7029         }
7030     }
7031 }
7032
7033 // Use this, rather than wxWindow::Refresh(), to force an immediate
7034 // repainting of the grid. Has no effect if you are already inside a
7035 // BeginBatch / EndBatch block.
7036 //
7037 void wxGrid::ForceRefresh()
7038 {
7039     BeginBatch();
7040     EndBatch();
7041 }
7042
7043
7044 //
7045 // ------ Edit control functions
7046 //
7047
7048
7049 void wxGrid::EnableEditing( bool edit )
7050 {
7051     // TODO: improve this ?
7052     //
7053     if ( edit != m_editable )
7054     {
7055         if(!edit) EnableCellEditControl(edit);
7056         m_editable = edit;
7057     }
7058 }
7059
7060
7061 void wxGrid::EnableCellEditControl( bool enable )
7062 {
7063     if (! m_editable)
7064         return;
7065
7066     if ( m_currentCellCoords == wxGridNoCellCoords )
7067         SetCurrentCell( 0, 0 );
7068
7069     if ( enable != m_cellEditCtrlEnabled )
7070     {
7071         if ( enable )
7072         {
7073             if (SendEvent( wxEVT_GRID_EDITOR_SHOWN) <0)
7074                 return;
7075
7076             // this should be checked by the caller!
7077             wxASSERT_MSG( CanEnableCellControl(),
7078                           _T("can't enable editing for this cell!") );
7079
7080             // do it before ShowCellEditControl()
7081             m_cellEditCtrlEnabled = enable;
7082
7083             ShowCellEditControl();
7084         }
7085         else
7086         {
7087             //FIXME:add veto support
7088             SendEvent( wxEVT_GRID_EDITOR_HIDDEN);
7089
7090             HideCellEditControl();
7091             SaveEditControlValue();
7092
7093             // do it after HideCellEditControl()
7094             m_cellEditCtrlEnabled = enable;
7095         }
7096     }
7097 }
7098
7099 bool wxGrid::IsCurrentCellReadOnly() const
7100 {
7101     // const_cast
7102     wxGridCellAttr* attr = ((wxGrid *)this)->GetCellAttr(m_currentCellCoords);
7103     bool readonly = attr->IsReadOnly();
7104     attr->DecRef();
7105
7106     return readonly;
7107 }
7108
7109 bool wxGrid::CanEnableCellControl() const
7110 {
7111     return m_editable && !IsCurrentCellReadOnly();
7112 }
7113
7114 bool wxGrid::IsCellEditControlEnabled() const
7115 {
7116     // the cell edit control might be disable for all cells or just for the
7117     // current one if it's read only
7118     return m_cellEditCtrlEnabled ? !IsCurrentCellReadOnly() : FALSE;
7119 }
7120
7121 bool wxGrid::IsCellEditControlShown() const
7122 {
7123     bool isShown = FALSE;
7124
7125     if ( m_cellEditCtrlEnabled )
7126     {
7127         int row = m_currentCellCoords.GetRow();
7128         int col = m_currentCellCoords.GetCol();
7129         wxGridCellAttr* attr = GetCellAttr(row, col);
7130         wxGridCellEditor* editor = attr->GetEditor((wxGrid*) this, row, col);
7131         attr->DecRef();
7132
7133         if ( editor )
7134         {
7135             if ( editor->IsCreated() )
7136             {
7137                 isShown = editor->GetControl()->IsShown();
7138             }
7139
7140             editor->DecRef();
7141         }
7142     }
7143
7144     return isShown;
7145 }
7146
7147 void wxGrid::ShowCellEditControl()
7148 {
7149     if ( IsCellEditControlEnabled() )
7150     {
7151         if ( !IsVisible( m_currentCellCoords ) )
7152         {
7153             m_cellEditCtrlEnabled = FALSE;
7154             return;
7155         }
7156         else
7157         {
7158             wxRect rect = CellToRect( m_currentCellCoords );
7159             int row = m_currentCellCoords.GetRow();
7160             int col = m_currentCellCoords.GetCol();
7161
7162             // if this is part of a multicell, find owner (topleft)
7163             int cell_rows, cell_cols;
7164             GetCellSize( row, col, &cell_rows, &cell_cols );
7165             if ( cell_rows <= 0 || cell_cols <= 0 )
7166             {
7167                 row += cell_rows;
7168                 col += cell_cols;
7169                 m_currentCellCoords.SetRow( row );
7170                 m_currentCellCoords.SetCol( col );
7171             }
7172
7173             // convert to scrolled coords
7174             //
7175             CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
7176
7177             // done in PaintBackground()
7178 #if 0
7179             // erase the highlight and the cell contents because the editor
7180             // might not cover the entire cell
7181             wxClientDC dc( m_gridWin );
7182             PrepareDC( dc );
7183             dc.SetBrush(*wxLIGHT_GREY_BRUSH); //wxBrush(attr->GetBackgroundColour(), wxSOLID));
7184             dc.SetPen(*wxTRANSPARENT_PEN);
7185             dc.DrawRectangle(rect);
7186 #endif // 0
7187
7188             // cell is shifted by one pixel
7189             // However, don't allow x or y to become negative
7190             // since the SetSize() method interprets that as
7191             // "don't change."
7192             if (rect.x > 0)
7193                 rect.x--;
7194             if (rect.y > 0)
7195                 rect.y--;
7196
7197             wxGridCellAttr* attr = GetCellAttr(row, col);
7198             wxGridCellEditor* editor = attr->GetEditor(this, row, col);
7199             if ( !editor->IsCreated() )
7200             {
7201                 editor->Create(m_gridWin, -1,
7202                                new wxGridCellEditorEvtHandler(this, editor));
7203
7204                 wxGridEditorCreatedEvent evt(GetId(),
7205                                              wxEVT_GRID_EDITOR_CREATED,
7206                                              this,
7207                                              row,
7208                                              col,
7209                                              editor->GetControl());
7210                 GetEventHandler()->ProcessEvent(evt);
7211             }
7212
7213             editor->Show( TRUE, attr );
7214
7215             // resize editor to overflow into righthand cells if allowed
7216             wxString value = GetCellValue(row, col);
7217             if ( (value != wxEmptyString) && (attr->GetOverflow()) )
7218             {
7219                 wxClientDC dc(m_gridWin);
7220                 wxCoord y = 0, best_width = 0;
7221                 dc.SetFont(attr->GetFont());
7222                 dc.GetTextExtent(value, &best_width, &y);
7223
7224                 int cell_rows, cell_cols;
7225                 attr->GetSize( &cell_rows, &cell_cols );
7226
7227                 if ((best_width > rect.width) && (col < m_numCols) && m_table)
7228                 {
7229                     int i;
7230                     for (i = col+cell_cols; i < m_numCols; i++)
7231                     {
7232                         if (m_table->IsEmptyCell(row,i))
7233                         {
7234                             rect.width += GetColWidth(i);
7235                             if (rect.width >= best_width) break;
7236                         }
7237                         else
7238                             break;
7239                     }
7240                 }
7241             }
7242             editor->SetSize( rect );
7243
7244             editor->BeginEdit(row, col, this);
7245
7246             editor->DecRef();
7247             attr->DecRef();
7248          }
7249     }
7250 }
7251
7252
7253 void wxGrid::HideCellEditControl()
7254 {
7255     if ( IsCellEditControlEnabled() )
7256     {
7257         int row = m_currentCellCoords.GetRow();
7258         int col = m_currentCellCoords.GetCol();
7259
7260         wxGridCellAttr* attr = GetCellAttr(row, col);
7261         wxGridCellEditor *editor = attr->GetEditor(this, row, col);
7262         editor->Show( FALSE );
7263         editor->DecRef();
7264         attr->DecRef();
7265         m_gridWin->SetFocus();
7266         // refresh whole row to the right
7267         wxRect rect( CellToRect(row, col) );
7268         CalcScrolledPosition(rect.x, rect.y, &rect.x, &rect.y );
7269         rect.width = m_gridWin->GetClientSize().GetWidth() - rect.x;
7270         m_gridWin->Refresh( FALSE, &rect );
7271     }
7272 }
7273
7274
7275 void wxGrid::SaveEditControlValue()
7276 {
7277     if ( IsCellEditControlEnabled() )
7278     {
7279         int row = m_currentCellCoords.GetRow();
7280         int col = m_currentCellCoords.GetCol();
7281
7282         wxString oldval = GetCellValue(row,col);
7283
7284         wxGridCellAttr* attr = GetCellAttr(row, col);
7285         wxGridCellEditor* editor = attr->GetEditor(this, row, col);
7286         bool changed = editor->EndEdit(row, col, this);
7287
7288         editor->DecRef();
7289         attr->DecRef();
7290
7291         if (changed)
7292         {
7293             if ( SendEvent( wxEVT_GRID_CELL_CHANGE,
7294                        m_currentCellCoords.GetRow(),
7295                        m_currentCellCoords.GetCol() ) < 0 ) {
7296
7297                 // Event has been vetoed, set the data back.
7298                 SetCellValue(row,col,oldval);
7299             }
7300         }
7301     }
7302 }
7303
7304
7305 //
7306 // ------ Grid location functions
7307 //  Note that all of these functions work with the logical coordinates of
7308 //  grid cells and labels so you will need to convert from device
7309 //  coordinates for mouse events etc.
7310 //
7311
7312 void wxGrid::XYToCell( int x, int y, wxGridCellCoords& coords )
7313 {
7314     int row = YToRow(y);
7315     int col = XToCol(x);
7316
7317     if ( row == -1  ||  col == -1 )
7318     {
7319         coords = wxGridNoCellCoords;
7320     }
7321     else
7322     {
7323         coords.Set( row, col );
7324     }
7325 }
7326
7327
7328 // Internal Helper function for computing row or column from some
7329 // (unscrolled) coordinate value, using either
7330 // m_defaultRowHeight/m_defaultColWidth or binary search on array
7331 // of m_rowBottoms/m_ColRights to speed up the search!
7332
7333 static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
7334                            const wxArrayInt& BorderArray, int nMax,
7335                            bool maxOnOverflow)
7336 {
7337     if (!defaultDist)
7338         defaultDist = 1;
7339     size_t i_max = coord / defaultDist,
7340            i_min = 0;
7341
7342     if (BorderArray.IsEmpty())
7343     {
7344         if((int) i_max < nMax)
7345             return i_max;
7346         return maxOnOverflow ? nMax - 1 : -1;
7347     }
7348
7349     if ( i_max >= BorderArray.GetCount())
7350         i_max = BorderArray.GetCount() - 1;
7351     else
7352     {
7353         if ( coord >= BorderArray[i_max])
7354         {
7355             i_min = i_max;
7356             i_max = coord / minDist;
7357         }
7358         if ( i_max >= BorderArray.GetCount())
7359             i_max = BorderArray.GetCount() - 1;
7360     }
7361     if ( coord >= BorderArray[i_max])
7362         return maxOnOverflow ? (int)i_max : -1;
7363     if ( coord < BorderArray[0] )
7364         return 0;
7365
7366     while ( i_max - i_min > 0 )
7367     {
7368         wxCHECK_MSG(BorderArray[i_min] <= coord && coord < BorderArray[i_max],
7369                     0, _T("wxGrid: internal error in CoordToRowOrCol"));
7370         if (coord >=  BorderArray[ i_max - 1])
7371             return i_max;
7372         else
7373             i_max--;
7374         int median = i_min + (i_max - i_min + 1) / 2;
7375         if (coord < BorderArray[median])
7376             i_max = median;
7377         else
7378             i_min = median;
7379     }
7380     return i_max;
7381 }
7382
7383 int wxGrid::YToRow( int y )
7384 {
7385     return CoordToRowOrCol(y, m_defaultRowHeight,
7386                            WXGRID_MIN_ROW_HEIGHT, m_rowBottoms, m_numRows, FALSE);
7387 }
7388
7389
7390 int wxGrid::XToCol( int x )
7391 {
7392     return CoordToRowOrCol(x, m_defaultColWidth,
7393                            WXGRID_MIN_COL_WIDTH, m_colRights, m_numCols, FALSE);
7394 }
7395
7396
7397 // return the row number that that the y coord is near the edge of, or
7398 // -1 if not near an edge
7399 //
7400 int wxGrid::YToEdgeOfRow( int y )
7401 {
7402     int i;
7403     i = internalYToRow(y);
7404
7405     if ( GetRowHeight(i) > WXGRID_LABEL_EDGE_ZONE )
7406     {
7407         // We know that we are in row i, test whether we are
7408         // close enough to lower or upper border, respectively.
7409         if ( abs(GetRowBottom(i) - y) < WXGRID_LABEL_EDGE_ZONE )
7410             return i;
7411         else if( i > 0 && y - GetRowTop(i) < WXGRID_LABEL_EDGE_ZONE )
7412             return i - 1;
7413     }
7414
7415     return -1;
7416 }
7417
7418
7419 // return the col number that that the x coord is near the edge of, or
7420 // -1 if not near an edge
7421 //
7422 int wxGrid::XToEdgeOfCol( int x )
7423 {
7424     int i;
7425     i = internalXToCol(x);
7426
7427     if ( GetColWidth(i) > WXGRID_LABEL_EDGE_ZONE )
7428     {
7429         // We know that we are in column i,  test whether we are
7430         // close enough to right or left border, respectively.
7431         if ( abs(GetColRight(i) - x) < WXGRID_LABEL_EDGE_ZONE )
7432             return i;
7433         else if( i > 0 && x - GetColLeft(i) < WXGRID_LABEL_EDGE_ZONE )
7434             return i - 1;
7435     }
7436
7437     return -1;
7438 }
7439
7440
7441 wxRect wxGrid::CellToRect( int row, int col )
7442 {
7443     wxRect rect( -1, -1, -1, -1 );
7444
7445     if ( row >= 0  &&  row < m_numRows  &&
7446          col >= 0  &&  col < m_numCols )
7447     {
7448         int i, cell_rows, cell_cols;
7449         rect.width = rect.height = 0;
7450         GetCellSize( row, col, &cell_rows, &cell_cols );
7451         // if negative then find multicell owner
7452         if (cell_rows < 0) row += cell_rows;
7453         if (cell_cols < 0) col += cell_cols;
7454         GetCellSize( row, col, &cell_rows, &cell_cols );
7455
7456         rect.x = GetColLeft(col);
7457         rect.y = GetRowTop(row);
7458         for (i=col; i<col+cell_cols; i++)
7459             rect.width  += GetColWidth(i);
7460         for (i=row; i<row+cell_rows; i++)
7461             rect.height += GetRowHeight(i);
7462     }
7463
7464     // if grid lines are enabled, then the area of the cell is a bit smaller
7465     if (m_gridLinesEnabled) {
7466         rect.width -= 1;
7467         rect.height -= 1;
7468     }
7469     return rect;
7470 }
7471
7472
7473 bool wxGrid::IsVisible( int row, int col, bool wholeCellVisible )
7474 {
7475     // get the cell rectangle in logical coords
7476     //
7477     wxRect r( CellToRect( row, col ) );
7478
7479     // convert to device coords
7480     //
7481     int left, top, right, bottom;
7482     CalcScrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
7483     CalcScrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
7484
7485     // check against the client area of the grid window
7486     //
7487     int cw, ch;
7488     m_gridWin->GetClientSize( &cw, &ch );
7489
7490     if ( wholeCellVisible )
7491     {
7492         // is the cell wholly visible ?
7493         //
7494         return ( left >= 0  &&  right <= cw  &&
7495                  top >= 0  &&  bottom <= ch );
7496     }
7497     else
7498     {
7499         // is the cell partly visible ?
7500         //
7501         return ( ((left >=0 && left < cw) || (right > 0 && right <= cw))  &&
7502                  ((top >=0 && top < ch) || (bottom > 0 && bottom <= ch)) );
7503     }
7504 }
7505
7506
7507 // make the specified cell location visible by doing a minimal amount
7508 // of scrolling
7509 //
7510 void wxGrid::MakeCellVisible( int row, int col )
7511 {
7512
7513     int i;
7514     int xpos = -1, ypos = -1;
7515
7516     if ( row >= 0  &&  row < m_numRows  &&
7517          col >= 0  &&  col < m_numCols )
7518     {
7519         // get the cell rectangle in logical coords
7520         //
7521         wxRect r( CellToRect( row, col ) );
7522
7523         // convert to device coords
7524         //
7525         int left, top, right, bottom;
7526         CalcScrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
7527         CalcScrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
7528
7529         int cw, ch;
7530         m_gridWin->GetClientSize( &cw, &ch );
7531
7532         if ( top < 0 )
7533         {
7534             ypos = r.GetTop();
7535         }
7536         else if ( bottom > ch )
7537         {
7538             int h = r.GetHeight();
7539             ypos = r.GetTop();
7540             for ( i = row-1;  i >= 0;  i-- )
7541             {
7542                 int rowHeight = GetRowHeight(i);
7543                 if ( h + rowHeight > ch )
7544                     break;
7545
7546                 h += rowHeight;
7547                 ypos -= rowHeight;
7548             }
7549
7550             // we divide it later by GRID_SCROLL_LINE, make sure that we don't
7551             // have rounding errors (this is important, because if we do, we
7552             // might not scroll at all and some cells won't be redrawn)
7553             //
7554             // Sometimes GRID_SCROLL_LINE/2 is not enough, so just add a full
7555             // scroll unit...
7556             ypos += GRID_SCROLL_LINE_Y;
7557         }
7558
7559         if ( left < 0 )
7560         {
7561             xpos = r.GetLeft();
7562         }
7563         else if ( right > cw )
7564         {
7565             int w = r.GetWidth();
7566             xpos = r.GetLeft();
7567             for ( i = col-1;  i >= 0;  i-- )
7568             {
7569                 int colWidth = GetColWidth(i);
7570                 if ( w + colWidth > cw )
7571                     break;
7572
7573                 w += colWidth;
7574                 xpos -= colWidth;
7575             }
7576
7577             // see comment for ypos above
7578             xpos += GRID_SCROLL_LINE_X;
7579         }
7580
7581         if ( xpos != -1  ||  ypos != -1 )
7582         {
7583             if ( xpos != -1 )
7584                 xpos /= GRID_SCROLL_LINE_X;
7585             if ( ypos != -1 )
7586                 ypos /= GRID_SCROLL_LINE_Y;
7587             Scroll( xpos, ypos );
7588             AdjustScrollbars();
7589         }
7590     }
7591 }
7592
7593
7594 //
7595 // ------ Grid cursor movement functions
7596 //
7597
7598 bool wxGrid::MoveCursorUp( bool expandSelection )
7599 {
7600     if ( m_currentCellCoords != wxGridNoCellCoords  &&
7601          m_currentCellCoords.GetRow() >= 0 )
7602     {
7603         if ( expandSelection)
7604         {
7605             if ( m_selectingKeyboard == wxGridNoCellCoords )
7606                 m_selectingKeyboard = m_currentCellCoords;
7607             if ( m_selectingKeyboard.GetRow() > 0 )
7608             {
7609                 m_selectingKeyboard.SetRow( m_selectingKeyboard.GetRow() - 1 );
7610                 MakeCellVisible( m_selectingKeyboard.GetRow(),
7611                                  m_selectingKeyboard.GetCol() );
7612                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7613             }
7614         }
7615         else if ( m_currentCellCoords.GetRow() > 0 )
7616         {
7617             ClearSelection();
7618             MakeCellVisible( m_currentCellCoords.GetRow() - 1,
7619                              m_currentCellCoords.GetCol() );
7620             SetCurrentCell( m_currentCellCoords.GetRow() - 1,
7621                             m_currentCellCoords.GetCol() );
7622         }
7623         else
7624             return FALSE;
7625         return TRUE;
7626     }
7627
7628     return FALSE;
7629 }
7630
7631
7632 bool wxGrid::MoveCursorDown( bool expandSelection )
7633 {
7634     if ( m_currentCellCoords != wxGridNoCellCoords  &&
7635          m_currentCellCoords.GetRow() < m_numRows )
7636     {
7637         if ( expandSelection )
7638         {
7639             if ( m_selectingKeyboard == wxGridNoCellCoords )
7640                 m_selectingKeyboard = m_currentCellCoords;
7641             if ( m_selectingKeyboard.GetRow() < m_numRows-1 )
7642             {
7643                 m_selectingKeyboard.SetRow( m_selectingKeyboard.GetRow() + 1 );
7644                 MakeCellVisible( m_selectingKeyboard.GetRow(),
7645                         m_selectingKeyboard.GetCol() );
7646                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7647             }
7648         }
7649         else if ( m_currentCellCoords.GetRow() < m_numRows - 1 )
7650         {
7651             ClearSelection();
7652             MakeCellVisible( m_currentCellCoords.GetRow() + 1,
7653                              m_currentCellCoords.GetCol() );
7654             SetCurrentCell( m_currentCellCoords.GetRow() + 1,
7655                             m_currentCellCoords.GetCol() );
7656         }
7657         else
7658             return FALSE;
7659         return TRUE;
7660     }
7661
7662     return FALSE;
7663 }
7664
7665
7666 bool wxGrid::MoveCursorLeft( bool expandSelection )
7667 {
7668     if ( m_currentCellCoords != wxGridNoCellCoords  &&
7669          m_currentCellCoords.GetCol() >= 0 )
7670     {
7671         if ( expandSelection )
7672         {
7673             if ( m_selectingKeyboard == wxGridNoCellCoords )
7674                 m_selectingKeyboard = m_currentCellCoords;
7675             if ( m_selectingKeyboard.GetCol() > 0 )
7676             {
7677                 m_selectingKeyboard.SetCol( m_selectingKeyboard.GetCol() - 1 );
7678                 MakeCellVisible( m_selectingKeyboard.GetRow(),
7679                         m_selectingKeyboard.GetCol() );
7680                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7681             }
7682         }
7683         else if ( m_currentCellCoords.GetCol() > 0 )
7684         {
7685             ClearSelection();
7686             MakeCellVisible( m_currentCellCoords.GetRow(),
7687                              m_currentCellCoords.GetCol() - 1 );
7688             SetCurrentCell( m_currentCellCoords.GetRow(),
7689                             m_currentCellCoords.GetCol() - 1 );
7690         }
7691         else
7692             return FALSE;
7693         return TRUE;
7694     }
7695
7696     return FALSE;
7697 }
7698
7699
7700 bool wxGrid::MoveCursorRight( bool expandSelection )
7701 {
7702     if ( m_currentCellCoords != wxGridNoCellCoords  &&
7703          m_currentCellCoords.GetCol() < m_numCols )
7704     {
7705         if ( expandSelection )
7706         {
7707             if ( m_selectingKeyboard == wxGridNoCellCoords )
7708                 m_selectingKeyboard = m_currentCellCoords;
7709             if ( m_selectingKeyboard.GetCol() < m_numCols - 1 )
7710             {
7711                 m_selectingKeyboard.SetCol( m_selectingKeyboard.GetCol() + 1 );
7712                 MakeCellVisible( m_selectingKeyboard.GetRow(),
7713                         m_selectingKeyboard.GetCol() );
7714                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7715             }
7716         }
7717         else if ( m_currentCellCoords.GetCol() < m_numCols - 1 )
7718         {
7719             ClearSelection();
7720             MakeCellVisible( m_currentCellCoords.GetRow(),
7721                              m_currentCellCoords.GetCol() + 1 );
7722             SetCurrentCell( m_currentCellCoords.GetRow(),
7723                             m_currentCellCoords.GetCol() + 1 );
7724         }
7725         else
7726             return FALSE;
7727         return TRUE;
7728     }
7729
7730     return FALSE;
7731 }
7732
7733
7734 bool wxGrid::MovePageUp()
7735 {
7736     if ( m_currentCellCoords == wxGridNoCellCoords ) return FALSE;
7737
7738     int row = m_currentCellCoords.GetRow();
7739     if ( row > 0 )
7740     {
7741         int cw, ch;
7742         m_gridWin->GetClientSize( &cw, &ch );
7743
7744         int y = GetRowTop(row);
7745         int newRow = YToRow( y - ch + 1 );
7746         if ( newRow == -1 )
7747         {
7748             newRow = 0;
7749         }
7750         else if ( newRow == row )
7751         {
7752             newRow = row - 1;
7753         }
7754
7755         MakeCellVisible( newRow, m_currentCellCoords.GetCol() );
7756         SetCurrentCell( newRow, m_currentCellCoords.GetCol() );
7757
7758         return TRUE;
7759     }
7760
7761     return FALSE;
7762 }
7763
7764 bool wxGrid::MovePageDown()
7765 {
7766     if ( m_currentCellCoords == wxGridNoCellCoords ) return FALSE;
7767
7768     int row = m_currentCellCoords.GetRow();
7769     if ( row < m_numRows )
7770     {
7771         int cw, ch;
7772         m_gridWin->GetClientSize( &cw, &ch );
7773
7774         int y = GetRowTop(row);
7775         int newRow = YToRow( y + ch );
7776         if ( newRow == -1 )
7777         {
7778             newRow = m_numRows - 1;
7779         }
7780         else if ( newRow == row )
7781         {
7782             newRow = row + 1;
7783         }
7784
7785         MakeCellVisible( newRow, m_currentCellCoords.GetCol() );
7786         SetCurrentCell( newRow, m_currentCellCoords.GetCol() );
7787
7788         return TRUE;
7789     }
7790
7791     return FALSE;
7792 }
7793
7794 bool wxGrid::MoveCursorUpBlock( bool expandSelection )
7795 {
7796     if ( m_table &&
7797          m_currentCellCoords != wxGridNoCellCoords  &&
7798          m_currentCellCoords.GetRow() > 0 )
7799     {
7800         int row = m_currentCellCoords.GetRow();
7801         int col = m_currentCellCoords.GetCol();
7802
7803         if ( m_table->IsEmptyCell(row, col) )
7804         {
7805             // starting in an empty cell: find the next block of
7806             // non-empty cells
7807             //
7808             while ( row > 0 )
7809             {
7810                 row-- ;
7811                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7812             }
7813         }
7814         else if ( m_table->IsEmptyCell(row-1, col) )
7815         {
7816             // starting at the top of a block: find the next block
7817             //
7818             row--;
7819             while ( row > 0 )
7820             {
7821                 row-- ;
7822                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7823             }
7824         }
7825         else
7826         {
7827             // starting within a block: find the top of the block
7828             //
7829             while ( row > 0 )
7830             {
7831                 row-- ;
7832                 if ( m_table->IsEmptyCell(row, col) )
7833                 {
7834                     row++ ;
7835                     break;
7836                 }
7837             }
7838         }
7839
7840         MakeCellVisible( row, col );
7841         if ( expandSelection )
7842         {
7843             m_selectingKeyboard = wxGridCellCoords( row, col );
7844             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7845         }
7846         else
7847         {
7848             ClearSelection();
7849             SetCurrentCell( row, col );
7850         }
7851         return TRUE;
7852     }
7853
7854     return FALSE;
7855 }
7856
7857 bool wxGrid::MoveCursorDownBlock( bool expandSelection )
7858 {
7859     if ( m_table &&
7860          m_currentCellCoords != wxGridNoCellCoords  &&
7861          m_currentCellCoords.GetRow() < m_numRows-1 )
7862     {
7863         int row = m_currentCellCoords.GetRow();
7864         int col = m_currentCellCoords.GetCol();
7865
7866         if ( m_table->IsEmptyCell(row, col) )
7867         {
7868             // starting in an empty cell: find the next block of
7869             // non-empty cells
7870             //
7871             while ( row < m_numRows-1 )
7872             {
7873                 row++ ;
7874                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7875             }
7876         }
7877         else if ( m_table->IsEmptyCell(row+1, col) )
7878         {
7879             // starting at the bottom of a block: find the next block
7880             //
7881             row++;
7882             while ( row < m_numRows-1 )
7883             {
7884                 row++ ;
7885                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7886             }
7887         }
7888         else
7889         {
7890             // starting within a block: find the bottom of the block
7891             //
7892             while ( row < m_numRows-1 )
7893             {
7894                 row++ ;
7895                 if ( m_table->IsEmptyCell(row, col) )
7896                 {
7897                     row-- ;
7898                     break;
7899                 }
7900             }
7901         }
7902
7903         MakeCellVisible( row, col );
7904         if ( expandSelection )
7905         {
7906             m_selectingKeyboard = wxGridCellCoords( row, col );
7907             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7908         }
7909         else
7910         {
7911             ClearSelection();
7912             SetCurrentCell( row, col );
7913         }
7914
7915         return TRUE;
7916     }
7917
7918     return FALSE;
7919 }
7920
7921 bool wxGrid::MoveCursorLeftBlock( bool expandSelection )
7922 {
7923     if ( m_table &&
7924          m_currentCellCoords != wxGridNoCellCoords  &&
7925          m_currentCellCoords.GetCol() > 0 )
7926     {
7927         int row = m_currentCellCoords.GetRow();
7928         int col = m_currentCellCoords.GetCol();
7929
7930         if ( m_table->IsEmptyCell(row, col) )
7931         {
7932             // starting in an empty cell: find the next block of
7933             // non-empty cells
7934             //
7935             while ( col > 0 )
7936             {
7937                 col-- ;
7938                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7939             }
7940         }
7941         else if ( m_table->IsEmptyCell(row, col-1) )
7942         {
7943             // starting at the left of a block: find the next block
7944             //
7945             col--;
7946             while ( col > 0 )
7947             {
7948                 col-- ;
7949                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
7950             }
7951         }
7952         else
7953         {
7954             // starting within a block: find the left of the block
7955             //
7956             while ( col > 0 )
7957             {
7958                 col-- ;
7959                 if ( m_table->IsEmptyCell(row, col) )
7960                 {
7961                     col++ ;
7962                     break;
7963                 }
7964             }
7965         }
7966
7967         MakeCellVisible( row, col );
7968         if ( expandSelection )
7969         {
7970             m_selectingKeyboard = wxGridCellCoords( row, col );
7971             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7972         }
7973         else
7974         {
7975             ClearSelection();
7976             SetCurrentCell( row, col );
7977         }
7978
7979         return TRUE;
7980     }
7981
7982     return FALSE;
7983 }
7984
7985 bool wxGrid::MoveCursorRightBlock( bool expandSelection )
7986 {
7987     if ( m_table &&
7988          m_currentCellCoords != wxGridNoCellCoords  &&
7989          m_currentCellCoords.GetCol() < m_numCols-1 )
7990     {
7991         int row = m_currentCellCoords.GetRow();
7992         int col = m_currentCellCoords.GetCol();
7993
7994         if ( m_table->IsEmptyCell(row, col) )
7995         {
7996             // starting in an empty cell: find the next block of
7997             // non-empty cells
7998             //
7999             while ( col < m_numCols-1 )
8000             {
8001                 col++ ;
8002                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
8003             }
8004         }
8005         else if ( m_table->IsEmptyCell(row, col+1) )
8006         {
8007             // starting at the right of a block: find the next block
8008             //
8009             col++;
8010             while ( col < m_numCols-1 )
8011             {
8012                 col++ ;
8013                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
8014             }
8015         }
8016         else
8017         {
8018             // starting within a block: find the right of the block
8019             //
8020             while ( col < m_numCols-1 )
8021             {
8022                 col++ ;
8023                 if ( m_table->IsEmptyCell(row, col) )
8024                 {
8025                     col-- ;
8026                     break;
8027                 }
8028             }
8029         }
8030
8031         MakeCellVisible( row, col );
8032         if ( expandSelection )
8033         {
8034             m_selectingKeyboard = wxGridCellCoords( row, col );
8035             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
8036         }
8037         else
8038         {
8039             ClearSelection();
8040             SetCurrentCell( row, col );
8041         }
8042
8043         return TRUE;
8044     }
8045
8046     return FALSE;
8047 }
8048
8049
8050
8051 //
8052 // ------ Label values and formatting
8053 //
8054
8055 void wxGrid::GetRowLabelAlignment( int *horiz, int *vert )
8056 {
8057     *horiz = m_rowLabelHorizAlign;
8058     *vert  = m_rowLabelVertAlign;
8059 }
8060
8061 void wxGrid::GetColLabelAlignment( int *horiz, int *vert )
8062 {
8063     *horiz = m_colLabelHorizAlign;
8064     *vert  = m_colLabelVertAlign;
8065 }
8066
8067 wxString wxGrid::GetRowLabelValue( int row )
8068 {
8069     if ( m_table )
8070     {
8071         return m_table->GetRowLabelValue( row );
8072     }
8073     else
8074     {
8075         wxString s;
8076         s << row;
8077         return s;
8078     }
8079 }
8080
8081 wxString wxGrid::GetColLabelValue( int col )
8082 {
8083     if ( m_table )
8084     {
8085         return m_table->GetColLabelValue( col );
8086     }
8087     else
8088     {
8089         wxString s;
8090         s << col;
8091         return s;
8092     }
8093 }
8094
8095
8096 void wxGrid::SetRowLabelSize( int width )
8097 {
8098     width = wxMax( width, 0 );
8099     if ( width != m_rowLabelWidth )
8100     {
8101         if ( width == 0 )
8102         {
8103             m_rowLabelWin->Show( FALSE );
8104             m_cornerLabelWin->Show( FALSE );
8105         }
8106         else if ( m_rowLabelWidth == 0 )
8107         {
8108             m_rowLabelWin->Show( TRUE );
8109             if ( m_colLabelHeight > 0 ) m_cornerLabelWin->Show( TRUE );
8110         }
8111
8112         m_rowLabelWidth = width;
8113         CalcWindowSizes();
8114         wxScrolledWindow::Refresh( TRUE );
8115     }
8116 }
8117
8118
8119 void wxGrid::SetColLabelSize( int height )
8120 {
8121     height = wxMax( height, 0 );
8122     if ( height != m_colLabelHeight )
8123     {
8124         if ( height == 0 )
8125         {
8126             m_colLabelWin->Show( FALSE );
8127             m_cornerLabelWin->Show( FALSE );
8128         }
8129         else if ( m_colLabelHeight == 0 )
8130         {
8131             m_colLabelWin->Show( TRUE );
8132             if ( m_rowLabelWidth > 0 ) m_cornerLabelWin->Show( TRUE );
8133         }
8134
8135         m_colLabelHeight = height;
8136         CalcWindowSizes();
8137         wxScrolledWindow::Refresh( TRUE );
8138     }
8139 }
8140
8141
8142 void wxGrid::SetLabelBackgroundColour( const wxColour& colour )
8143 {
8144     if ( m_labelBackgroundColour != colour )
8145     {
8146         m_labelBackgroundColour = colour;
8147         m_rowLabelWin->SetBackgroundColour( colour );
8148         m_colLabelWin->SetBackgroundColour( colour );
8149         m_cornerLabelWin->SetBackgroundColour( colour );
8150
8151         if ( !GetBatchCount() )
8152         {
8153             m_rowLabelWin->Refresh();
8154             m_colLabelWin->Refresh();
8155             m_cornerLabelWin->Refresh();
8156         }
8157     }
8158 }
8159
8160 void wxGrid::SetLabelTextColour( const wxColour& colour )
8161 {
8162     if ( m_labelTextColour != colour )
8163     {
8164         m_labelTextColour = colour;
8165         if ( !GetBatchCount() )
8166         {
8167             m_rowLabelWin->Refresh();
8168             m_colLabelWin->Refresh();
8169         }
8170     }
8171 }
8172
8173 void wxGrid::SetLabelFont( const wxFont& font )
8174 {
8175     m_labelFont = font;
8176     if ( !GetBatchCount() )
8177     {
8178         m_rowLabelWin->Refresh();
8179         m_colLabelWin->Refresh();
8180     }
8181 }
8182
8183 void wxGrid::SetRowLabelAlignment( int horiz, int vert )
8184 {
8185     // allow old (incorrect) defs to be used
8186     switch ( horiz )
8187     {
8188         case wxLEFT:   horiz = wxALIGN_LEFT; break;
8189         case wxRIGHT:  horiz = wxALIGN_RIGHT; break;
8190         case wxCENTRE: horiz = wxALIGN_CENTRE; break;
8191     }
8192
8193     switch ( vert )
8194     {
8195         case wxTOP:    vert = wxALIGN_TOP;    break;
8196         case wxBOTTOM: vert = wxALIGN_BOTTOM; break;
8197         case wxCENTRE: vert = wxALIGN_CENTRE; break;
8198     }
8199
8200     if ( horiz == wxALIGN_LEFT || horiz == wxALIGN_CENTRE || horiz == wxALIGN_RIGHT )
8201     {
8202         m_rowLabelHorizAlign = horiz;
8203     }
8204
8205     if ( vert == wxALIGN_TOP || vert == wxALIGN_CENTRE || vert == wxALIGN_BOTTOM )
8206     {
8207         m_rowLabelVertAlign = vert;
8208     }
8209
8210     if ( !GetBatchCount() )
8211     {
8212         m_rowLabelWin->Refresh();
8213     }
8214 }
8215
8216 void wxGrid::SetColLabelAlignment( int horiz, int vert )
8217 {
8218     // allow old (incorrect) defs to be used
8219     switch ( horiz )
8220     {
8221         case wxLEFT:   horiz = wxALIGN_LEFT; break;
8222         case wxRIGHT:  horiz = wxALIGN_RIGHT; break;
8223         case wxCENTRE: horiz = wxALIGN_CENTRE; break;
8224     }
8225
8226     switch ( vert )
8227     {
8228         case wxTOP:    vert = wxALIGN_TOP;    break;
8229         case wxBOTTOM: vert = wxALIGN_BOTTOM; break;
8230         case wxCENTRE: vert = wxALIGN_CENTRE; break;
8231     }
8232
8233     if ( horiz == wxALIGN_LEFT || horiz == wxALIGN_CENTRE || horiz == wxALIGN_RIGHT )
8234     {
8235         m_colLabelHorizAlign = horiz;
8236     }
8237
8238     if ( vert == wxALIGN_TOP || vert == wxALIGN_CENTRE || vert == wxALIGN_BOTTOM )
8239     {
8240         m_colLabelVertAlign = vert;
8241     }
8242
8243     if ( !GetBatchCount() )
8244     {
8245         m_colLabelWin->Refresh();
8246     }
8247 }
8248
8249 void wxGrid::SetRowLabelValue( int row, const wxString& s )
8250 {
8251     if ( m_table )
8252     {
8253         m_table->SetRowLabelValue( row, s );
8254         if ( !GetBatchCount() )
8255         {
8256             wxRect rect = CellToRect( row, 0);
8257             if ( rect.height > 0 )
8258             {
8259                 CalcScrolledPosition(0, rect.y, &rect.x, &rect.y);
8260                 rect.x = 0;
8261                 rect.width = m_rowLabelWidth;
8262                 m_rowLabelWin->Refresh( TRUE, &rect );
8263             }
8264         }
8265     }
8266 }
8267
8268 void wxGrid::SetColLabelValue( int col, const wxString& s )
8269 {
8270     if ( m_table )
8271     {
8272         m_table->SetColLabelValue( col, s );
8273         if ( !GetBatchCount() )
8274         {
8275             wxRect rect = CellToRect( 0, col );
8276             if ( rect.width > 0 )
8277             {
8278                 CalcScrolledPosition(rect.x, 0, &rect.x, &rect.y);
8279                 rect.y = 0;
8280                 rect.height = m_colLabelHeight;
8281                 m_colLabelWin->Refresh( TRUE, &rect );
8282             }
8283         }
8284     }
8285 }
8286
8287 void wxGrid::SetGridLineColour( const wxColour& colour )
8288 {
8289     if ( m_gridLineColour != colour )
8290     {
8291         m_gridLineColour = colour;
8292
8293         wxClientDC dc( m_gridWin );
8294         PrepareDC( dc );
8295         DrawAllGridLines( dc, wxRegion() );
8296     }
8297 }
8298
8299
8300 void wxGrid::SetCellHighlightColour( const wxColour& colour )
8301 {
8302     if ( m_cellHighlightColour != colour )
8303     {
8304         m_cellHighlightColour = colour;
8305
8306         wxClientDC dc( m_gridWin );
8307         PrepareDC( dc );
8308         wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords);
8309         DrawCellHighlight(dc, attr);
8310         attr->DecRef();
8311     }
8312 }
8313
8314 void wxGrid::SetCellHighlightPenWidth(int width)
8315 {
8316     if (m_cellHighlightPenWidth != width) {
8317         m_cellHighlightPenWidth = width;
8318
8319         // Just redrawing the cell highlight is not enough since that won't
8320         // make any visible change if the the thickness is getting smaller.
8321         int row = m_currentCellCoords.GetRow();
8322         int col = m_currentCellCoords.GetCol();
8323         if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
8324             return;
8325         wxRect rect = CellToRect(row, col);
8326         m_gridWin->Refresh(TRUE, &rect);
8327     }
8328 }
8329
8330 void wxGrid::SetCellHighlightROPenWidth(int width)
8331 {
8332     if (m_cellHighlightROPenWidth != width) {
8333         m_cellHighlightROPenWidth = width;
8334
8335         // Just redrawing the cell highlight is not enough since that won't
8336         // make any visible change if the the thickness is getting smaller.
8337         int row = m_currentCellCoords.GetRow();
8338         int col = m_currentCellCoords.GetCol();
8339         if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
8340             return;
8341         wxRect rect = CellToRect(row, col);
8342         m_gridWin->Refresh(TRUE, &rect);
8343     }
8344 }
8345
8346 void wxGrid::EnableGridLines( bool enable )
8347 {
8348     if ( enable != m_gridLinesEnabled )
8349     {
8350         m_gridLinesEnabled = enable;
8351
8352         if ( !GetBatchCount() )
8353         {
8354             if ( enable )
8355             {
8356                 wxClientDC dc( m_gridWin );
8357                 PrepareDC( dc );
8358                 DrawAllGridLines( dc, wxRegion() );
8359             }
8360             else
8361             {
8362                 m_gridWin->Refresh();
8363             }
8364         }
8365     }
8366 }
8367
8368
8369 int wxGrid::GetDefaultRowSize()
8370 {
8371     return m_defaultRowHeight;
8372 }
8373
8374 int wxGrid::GetRowSize( int row )
8375 {
8376     wxCHECK_MSG( row >= 0 && row < m_numRows, 0, _T("invalid row index") );
8377
8378     return GetRowHeight(row);
8379 }
8380
8381 int wxGrid::GetDefaultColSize()
8382 {
8383     return m_defaultColWidth;
8384 }
8385
8386 int wxGrid::GetColSize( int col )
8387 {
8388     wxCHECK_MSG( col >= 0 && col < m_numCols, 0, _T("invalid column index") );
8389
8390     return GetColWidth(col);
8391 }
8392
8393 // ============================================================================
8394 // access to the grid attributes: each of them has a default value in the grid
8395 // itself and may be overidden on a per-cell basis
8396 // ============================================================================
8397
8398 // ----------------------------------------------------------------------------
8399 // setting default attributes
8400 // ----------------------------------------------------------------------------
8401
8402 void wxGrid::SetDefaultCellBackgroundColour( const wxColour& col )
8403 {
8404     m_defaultCellAttr->SetBackgroundColour(col);
8405 #ifdef __WXGTK__
8406     m_gridWin->SetBackgroundColour(col);
8407 #endif
8408 }
8409
8410 void wxGrid::SetDefaultCellTextColour( const wxColour& col )
8411 {
8412     m_defaultCellAttr->SetTextColour(col);
8413 }
8414
8415 void wxGrid::SetDefaultCellAlignment( int horiz, int vert )
8416 {
8417     m_defaultCellAttr->SetAlignment(horiz, vert);
8418 }
8419
8420 void wxGrid::SetDefaultCellOverflow( bool allow )
8421 {
8422     m_defaultCellAttr->SetOverflow(allow);
8423 }
8424
8425 void wxGrid::SetDefaultCellFont( const wxFont& font )
8426 {
8427     m_defaultCellAttr->SetFont(font);
8428 }
8429
8430 void wxGrid::SetDefaultRenderer(wxGridCellRenderer *renderer)
8431 {
8432     m_defaultCellAttr->SetRenderer(renderer);
8433 }
8434
8435 void wxGrid::SetDefaultEditor(wxGridCellEditor *editor)
8436 {
8437     m_defaultCellAttr->SetEditor(editor);
8438 }
8439
8440 // ----------------------------------------------------------------------------
8441 // access to the default attrbiutes
8442 // ----------------------------------------------------------------------------
8443
8444 wxColour wxGrid::GetDefaultCellBackgroundColour()
8445 {
8446     return m_defaultCellAttr->GetBackgroundColour();
8447 }
8448
8449 wxColour wxGrid::GetDefaultCellTextColour()
8450 {
8451     return m_defaultCellAttr->GetTextColour();
8452 }
8453
8454 wxFont wxGrid::GetDefaultCellFont()
8455 {
8456     return m_defaultCellAttr->GetFont();
8457 }
8458
8459 void wxGrid::GetDefaultCellAlignment( int *horiz, int *vert )
8460 {
8461     m_defaultCellAttr->GetAlignment(horiz, vert);
8462 }
8463
8464 bool wxGrid::GetDefaultCellOverflow()
8465 {
8466     return m_defaultCellAttr->GetOverflow();
8467 }
8468
8469 wxGridCellRenderer *wxGrid::GetDefaultRenderer() const
8470 {
8471     return m_defaultCellAttr->GetRenderer(NULL, 0, 0);
8472 }
8473
8474 wxGridCellEditor *wxGrid::GetDefaultEditor() const
8475 {
8476     return m_defaultCellAttr->GetEditor(NULL,0,0);
8477 }
8478
8479 // ----------------------------------------------------------------------------
8480 // access to cell attributes
8481 // ----------------------------------------------------------------------------
8482
8483 wxColour wxGrid::GetCellBackgroundColour(int row, int col)
8484 {
8485     wxGridCellAttr *attr = GetCellAttr(row, col);
8486     wxColour colour = attr->GetBackgroundColour();
8487     attr->DecRef();
8488     return colour;
8489 }
8490
8491 wxColour wxGrid::GetCellTextColour( int row, int col )
8492 {
8493     wxGridCellAttr *attr = GetCellAttr(row, col);
8494     wxColour colour = attr->GetTextColour();
8495     attr->DecRef();
8496     return colour;
8497 }
8498
8499 wxFont wxGrid::GetCellFont( int row, int col )
8500 {
8501     wxGridCellAttr *attr = GetCellAttr(row, col);
8502     wxFont font = attr->GetFont();
8503     attr->DecRef();
8504     return font;
8505 }
8506
8507 void wxGrid::GetCellAlignment( int row, int col, int *horiz, int *vert )
8508 {
8509     wxGridCellAttr *attr = GetCellAttr(row, col);
8510     attr->GetAlignment(horiz, vert);
8511     attr->DecRef();
8512 }
8513
8514 bool wxGrid::GetCellOverflow( int row, int col )
8515 {
8516     wxGridCellAttr *attr = GetCellAttr(row, col);
8517     bool allow = attr->GetOverflow();
8518     attr->DecRef();
8519     return allow;
8520 }
8521
8522 void wxGrid::GetCellSize( int row, int col, int *num_rows, int *num_cols )
8523 {
8524     wxGridCellAttr *attr = GetCellAttr(row, col);
8525     attr->GetSize( num_rows, num_cols );
8526     attr->DecRef();
8527 }
8528
8529 wxGridCellRenderer* wxGrid::GetCellRenderer(int row, int col)
8530 {
8531     wxGridCellAttr* attr = GetCellAttr(row, col);
8532     wxGridCellRenderer* renderer = attr->GetRenderer(this, row, col);
8533     attr->DecRef();
8534
8535     return renderer;
8536 }
8537
8538 wxGridCellEditor* wxGrid::GetCellEditor(int row, int col)
8539 {
8540     wxGridCellAttr* attr = GetCellAttr(row, col);
8541     wxGridCellEditor* editor = attr->GetEditor(this, row, col);
8542     attr->DecRef();
8543
8544     return editor;
8545 }
8546
8547 bool wxGrid::IsReadOnly(int row, int col) const
8548 {
8549     wxGridCellAttr* attr = GetCellAttr(row, col);
8550     bool isReadOnly = attr->IsReadOnly();
8551     attr->DecRef();
8552     return isReadOnly;
8553 }
8554
8555 // ----------------------------------------------------------------------------
8556 // attribute support: cache, automatic provider creation, ...
8557 // ----------------------------------------------------------------------------
8558
8559 bool wxGrid::CanHaveAttributes()
8560 {
8561     if ( !m_table )
8562     {
8563         return FALSE;
8564     }
8565
8566     return m_table->CanHaveAttributes();
8567 }
8568
8569 void wxGrid::ClearAttrCache()
8570 {
8571     if ( m_attrCache.row != -1 )
8572     {
8573         wxSafeDecRef(m_attrCache.attr);
8574         m_attrCache.attr = NULL;
8575         m_attrCache.row = -1;
8576     }
8577 }
8578
8579 void wxGrid::CacheAttr(int row, int col, wxGridCellAttr *attr) const
8580 {
8581     wxGrid *self = (wxGrid *)this;  // const_cast
8582
8583     self->ClearAttrCache();
8584     self->m_attrCache.row = row;
8585     self->m_attrCache.col = col;
8586     self->m_attrCache.attr = attr;
8587     wxSafeIncRef(attr);
8588 }
8589
8590 bool wxGrid::LookupAttr(int row, int col, wxGridCellAttr **attr) const
8591 {
8592     if ( row == m_attrCache.row && col == m_attrCache.col )
8593     {
8594         *attr = m_attrCache.attr;
8595         wxSafeIncRef(m_attrCache.attr);
8596
8597 #ifdef DEBUG_ATTR_CACHE
8598         gs_nAttrCacheHits++;
8599 #endif
8600
8601         return TRUE;
8602     }
8603     else
8604     {
8605 #ifdef DEBUG_ATTR_CACHE
8606         gs_nAttrCacheMisses++;
8607 #endif
8608         return FALSE;
8609     }
8610 }
8611
8612 wxGridCellAttr *wxGrid::GetCellAttr(int row, int col) const
8613 {
8614     wxGridCellAttr *attr = NULL;
8615     // Additional test to avoid looking at the cache e.g. for
8616     // wxNoCellCoords, as this will confuse memory management.
8617     if ( row >= 0 )
8618     {
8619         if ( !LookupAttr(row, col, &attr) )
8620         {
8621             attr = m_table ? m_table->GetAttr(row, col , wxGridCellAttr::Any)
8622                            : (wxGridCellAttr *)NULL;
8623             CacheAttr(row, col, attr);
8624         }
8625     }
8626     if (attr)
8627     {
8628         attr->SetDefAttr(m_defaultCellAttr);
8629     }
8630     else
8631     {
8632         attr = m_defaultCellAttr;
8633         attr->IncRef();
8634     }
8635
8636     return attr;
8637 }
8638
8639 wxGridCellAttr *wxGrid::GetOrCreateCellAttr(int row, int col) const
8640 {
8641     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
8642
8643     wxCHECK_MSG( m_table, attr,
8644                   _T("we may only be called if CanHaveAttributes() returned TRUE and then m_table should be !NULL") );
8645
8646     attr = m_table->GetAttr(row, col, wxGridCellAttr::Cell);
8647     if ( !attr )
8648     {
8649         attr = new wxGridCellAttr(m_defaultCellAttr);
8650
8651         // artificially inc the ref count to match DecRef() in caller
8652         attr->IncRef();
8653         m_table->SetAttr(attr, row, col);
8654     }
8655
8656     return attr;
8657 }
8658
8659 // ----------------------------------------------------------------------------
8660 // setting column attributes (wrappers around SetColAttr)
8661 // ----------------------------------------------------------------------------
8662
8663 void wxGrid::SetColFormatBool(int col)
8664 {
8665     SetColFormatCustom(col, wxGRID_VALUE_BOOL);
8666 }
8667
8668 void wxGrid::SetColFormatNumber(int col)
8669 {
8670     SetColFormatCustom(col, wxGRID_VALUE_NUMBER);
8671 }
8672
8673 void wxGrid::SetColFormatFloat(int col, int width, int precision)
8674 {
8675     wxString typeName = wxGRID_VALUE_FLOAT;
8676     if ( (width != -1) || (precision != -1) )
8677     {
8678         typeName << _T(':') << width << _T(',') << precision;
8679     }
8680
8681     SetColFormatCustom(col, typeName);
8682 }
8683
8684 void wxGrid::SetColFormatCustom(int col, const wxString& typeName)
8685 {
8686     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
8687
8688     attr = m_table->GetAttr(-1, col, wxGridCellAttr::Col );
8689     if(!attr)
8690         attr = new wxGridCellAttr;
8691     wxGridCellRenderer *renderer = GetDefaultRendererForType(typeName);
8692     attr->SetRenderer(renderer);
8693
8694     SetColAttr(col, attr);
8695
8696 }
8697
8698 // ----------------------------------------------------------------------------
8699 // setting cell attributes: this is forwarded to the table
8700 // ----------------------------------------------------------------------------
8701
8702 void wxGrid::SetAttr(int row, int col, wxGridCellAttr *attr)
8703 {
8704     if ( CanHaveAttributes() )
8705     {
8706         m_table->SetAttr(attr, row, col);
8707         ClearAttrCache();
8708     }
8709     else
8710     {
8711         wxSafeDecRef(attr);
8712     }
8713 }
8714
8715 void wxGrid::SetRowAttr(int row, wxGridCellAttr *attr)
8716 {
8717     if ( CanHaveAttributes() )
8718     {
8719         m_table->SetRowAttr(attr, row);
8720         ClearAttrCache();
8721     }
8722     else
8723     {
8724         wxSafeDecRef(attr);
8725     }
8726 }
8727
8728 void wxGrid::SetColAttr(int col, wxGridCellAttr *attr)
8729 {
8730     if ( CanHaveAttributes() )
8731     {
8732         m_table->SetColAttr(attr, col);
8733         ClearAttrCache();
8734     }
8735     else
8736     {
8737         wxSafeDecRef(attr);
8738     }
8739 }
8740
8741 void wxGrid::SetCellBackgroundColour( int row, int col, const wxColour& colour )
8742 {
8743     if ( CanHaveAttributes() )
8744     {
8745         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8746         attr->SetBackgroundColour(colour);
8747         attr->DecRef();
8748     }
8749 }
8750
8751 void wxGrid::SetCellTextColour( int row, int col, const wxColour& colour )
8752 {
8753     if ( CanHaveAttributes() )
8754     {
8755         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8756         attr->SetTextColour(colour);
8757         attr->DecRef();
8758     }
8759 }
8760
8761 void wxGrid::SetCellFont( int row, int col, const wxFont& font )
8762 {
8763     if ( CanHaveAttributes() )
8764     {
8765         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8766         attr->SetFont(font);
8767         attr->DecRef();
8768     }
8769 }
8770
8771 void wxGrid::SetCellAlignment( int row, int col, int horiz, int vert )
8772 {
8773     if ( CanHaveAttributes() )
8774     {
8775         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8776         attr->SetAlignment(horiz, vert);
8777         attr->DecRef();
8778     }
8779 }
8780
8781 void wxGrid::SetCellOverflow( int row, int col, bool allow )
8782 {
8783     if ( CanHaveAttributes() )
8784     {
8785         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8786         attr->SetOverflow(allow);
8787         attr->DecRef();
8788     }
8789 }
8790
8791 void wxGrid::SetCellSize( int row, int col, int num_rows, int num_cols )
8792 {
8793     if ( CanHaveAttributes() )
8794     {
8795         int cell_rows, cell_cols;
8796
8797         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8798         attr->GetSize(&cell_rows, &cell_cols);
8799         attr->SetSize(num_rows, num_cols);
8800         attr->DecRef();
8801
8802         // Cannot set the size of a cell to 0 or negative values
8803         // While it is perfectly legal to do that, this function cannot
8804         // handle all the possibilies, do it by hand by getting the CellAttr.
8805         // You can only set the size of a cell to 1,1 or greater with this fn
8806         wxASSERT_MSG( !((cell_rows < 1) || (cell_cols < 1)),
8807                       wxT("wxGrid::SetCellSize setting cell size that is already part of another cell"));
8808         wxASSERT_MSG( !((num_rows < 1) || (num_cols < 1)),
8809                       wxT("wxGrid::SetCellSize setting cell size to < 1"));
8810
8811         // if this was already a multicell then "turn off" the other cells first
8812         if ((cell_rows > 1) || (cell_rows > 1))
8813         {
8814             int i, j;
8815             for (j=row; j<row+cell_rows; j++)
8816             {
8817                 for (i=col; i<col+cell_cols; i++)
8818                 {
8819                     if ((i != col) || (j != row))
8820                     {
8821                         wxGridCellAttr *attr_stub = GetOrCreateCellAttr(j, i);
8822                         attr_stub->SetSize( 1, 1 );
8823                         attr_stub->DecRef();
8824                     }
8825                 }
8826             }
8827         }
8828
8829         // mark the cells that will be covered by this cell to
8830         // negative or zero values to point back at this cell
8831         if (((num_rows > 1) || (num_cols > 1)) && (num_rows >= 1) && (num_cols >= 1))
8832         {
8833             int i, j;
8834             for (j=row; j<row+num_rows; j++)
8835             {
8836                 for (i=col; i<col+num_cols; i++)
8837                 {
8838                     if ((i != col) || (j != row))
8839                     {
8840                         wxGridCellAttr *attr_stub = GetOrCreateCellAttr(j, i);
8841                         attr_stub->SetSize( row-j, col-i );
8842                         attr_stub->DecRef();
8843                     }
8844                 }
8845             }
8846         }
8847     }
8848 }
8849
8850 void wxGrid::SetCellRenderer(int row, int col, wxGridCellRenderer *renderer)
8851 {
8852     if ( CanHaveAttributes() )
8853     {
8854         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8855         attr->SetRenderer(renderer);
8856         attr->DecRef();
8857     }
8858 }
8859
8860 void wxGrid::SetCellEditor(int row, int col, wxGridCellEditor* editor)
8861 {
8862     if ( CanHaveAttributes() )
8863     {
8864         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8865         attr->SetEditor(editor);
8866         attr->DecRef();
8867     }
8868 }
8869
8870 void wxGrid::SetReadOnly(int row, int col, bool isReadOnly)
8871 {
8872     if ( CanHaveAttributes() )
8873     {
8874         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
8875         attr->SetReadOnly(isReadOnly);
8876         attr->DecRef();
8877     }
8878 }
8879
8880 // ----------------------------------------------------------------------------
8881 // Data type registration
8882 // ----------------------------------------------------------------------------
8883
8884 void wxGrid::RegisterDataType(const wxString& typeName,
8885                               wxGridCellRenderer* renderer,
8886                               wxGridCellEditor* editor)
8887 {
8888     m_typeRegistry->RegisterDataType(typeName, renderer, editor);
8889 }
8890
8891
8892 wxGridCellEditor* wxGrid::GetDefaultEditorForCell(int row, int col) const
8893 {
8894     wxString typeName = m_table->GetTypeName(row, col);
8895     return GetDefaultEditorForType(typeName);
8896 }
8897
8898 wxGridCellRenderer* wxGrid::GetDefaultRendererForCell(int row, int col) const
8899 {
8900     wxString typeName = m_table->GetTypeName(row, col);
8901     return GetDefaultRendererForType(typeName);
8902 }
8903
8904 wxGridCellEditor*
8905 wxGrid::GetDefaultEditorForType(const wxString& typeName) const
8906 {
8907     int index = m_typeRegistry->FindOrCloneDataType(typeName);
8908     if ( index == wxNOT_FOUND )
8909     {
8910         wxFAIL_MSG(wxT("Unknown data type name"));
8911
8912         return NULL;
8913     }
8914
8915     return m_typeRegistry->GetEditor(index);
8916 }
8917
8918 wxGridCellRenderer*
8919 wxGrid::GetDefaultRendererForType(const wxString& typeName) const
8920 {
8921     int index = m_typeRegistry->FindOrCloneDataType(typeName);
8922     if ( index == wxNOT_FOUND )
8923     {
8924         wxFAIL_MSG(wxT("Unknown data type name"));
8925
8926         return NULL;
8927     }
8928
8929     return m_typeRegistry->GetRenderer(index);
8930 }
8931
8932
8933 // ----------------------------------------------------------------------------
8934 // row/col size
8935 // ----------------------------------------------------------------------------
8936
8937 void wxGrid::EnableDragRowSize( bool enable )
8938 {
8939     m_canDragRowSize = enable;
8940 }
8941
8942
8943 void wxGrid::EnableDragColSize( bool enable )
8944 {
8945     m_canDragColSize = enable;
8946 }
8947
8948 void wxGrid::EnableDragGridSize( bool enable )
8949 {
8950     m_canDragGridSize = enable;
8951 }
8952
8953
8954 void wxGrid::SetDefaultRowSize( int height, bool resizeExistingRows )
8955 {
8956     m_defaultRowHeight = wxMax( height, WXGRID_MIN_ROW_HEIGHT );
8957
8958     if ( resizeExistingRows )
8959     {
8960         // since we are resizing all rows to the default row size,
8961         // we can simply clear the row heights and row bottoms
8962         // arrays (which also allows us to take advantage of
8963         // some speed optimisations)
8964         m_rowHeights.Empty();
8965         m_rowBottoms.Empty();
8966         if ( !GetBatchCount() )
8967             CalcDimensions();
8968     }
8969 }
8970
8971 void wxGrid::SetRowSize( int row, int height )
8972 {
8973     wxCHECK_RET( row >= 0 && row < m_numRows, _T("invalid row index") );
8974
8975     if ( m_rowHeights.IsEmpty() )
8976     {
8977         // need to really create the array
8978         InitRowHeights();
8979     }
8980
8981     int h = wxMax( 0, height );
8982     int diff = h - m_rowHeights[row];
8983
8984     m_rowHeights[row] = h;
8985     int i;
8986     for ( i = row;  i < m_numRows;  i++ )
8987     {
8988         m_rowBottoms[i] += diff;
8989     }
8990     if ( !GetBatchCount() )
8991         CalcDimensions();
8992 }
8993
8994 void wxGrid::SetDefaultColSize( int width, bool resizeExistingCols )
8995 {
8996     m_defaultColWidth = wxMax( width, WXGRID_MIN_COL_WIDTH );
8997
8998     if ( resizeExistingCols )
8999     {
9000         // since we are resizing all columns to the default column size,
9001         // we can simply clear the col widths and col rights
9002         // arrays (which also allows us to take advantage of
9003         // some speed optimisations)
9004         m_colWidths.Empty();
9005         m_colRights.Empty();
9006         if ( !GetBatchCount() )
9007             CalcDimensions();
9008     }
9009 }
9010
9011 void wxGrid::SetColSize( int col, int width )
9012 {
9013     wxCHECK_RET( col >= 0 && col < m_numCols, _T("invalid column index") );
9014
9015     // should we check that it's bigger than GetColMinimalWidth(col) here?
9016
9017     if ( m_colWidths.IsEmpty() )
9018     {
9019         // need to really create the array
9020         InitColWidths();
9021     }
9022
9023     int w = wxMax( 0, width );
9024     int diff = w - m_colWidths[col];
9025     m_colWidths[col] = w;
9026
9027     int i;
9028     for ( i = col;  i < m_numCols;  i++ )
9029     {
9030         m_colRights[i] += diff;
9031     }
9032     if ( !GetBatchCount() )
9033         CalcDimensions();
9034 }
9035
9036
9037 void wxGrid::SetColMinimalWidth( int col, int width )
9038 {
9039     m_colMinWidths.Put(col, width);
9040 }
9041
9042 void wxGrid::SetRowMinimalHeight( int row, int width )
9043 {
9044     m_rowMinHeights.Put(row, width);
9045 }
9046
9047 int wxGrid::GetColMinimalWidth(int col) const
9048 {
9049     long value = m_colMinWidths.Get(col);
9050     return value != wxNOT_FOUND ? (int)value : WXGRID_MIN_COL_WIDTH;
9051 }
9052
9053 int wxGrid::GetRowMinimalHeight(int row) const
9054 {
9055     long value = m_rowMinHeights.Get(row);
9056     return value != wxNOT_FOUND ? (int)value : WXGRID_MIN_ROW_HEIGHT;
9057 }
9058
9059 // ----------------------------------------------------------------------------
9060 // auto sizing
9061 // ----------------------------------------------------------------------------
9062
9063 void wxGrid::AutoSizeColOrRow( int colOrRow, bool setAsMin, bool column )
9064 {
9065     wxClientDC dc(m_gridWin);
9066
9067     // init both of them to avoid compiler warnings, even if weo nly need one
9068     int row = -1,
9069         col = -1;
9070     if ( column )
9071         col = colOrRow;
9072     else
9073         row = colOrRow;
9074
9075     wxCoord extent, extentMax = 0;
9076     int max = column ? m_numRows : m_numCols;
9077     for ( int rowOrCol = 0; rowOrCol < max; rowOrCol++ )
9078     {
9079         if ( column )
9080             row = rowOrCol;
9081         else
9082             col = rowOrCol;
9083
9084         wxGridCellAttr* attr = GetCellAttr(row, col);
9085         wxGridCellRenderer* renderer = attr->GetRenderer(this, row, col);
9086         if ( renderer )
9087         {
9088             wxSize size = renderer->GetBestSize(*this, *attr, dc, row, col);
9089             extent = column ? size.x : size.y;
9090             if ( extent > extentMax )
9091             {
9092                 extentMax = extent;
9093             }
9094
9095             renderer->DecRef();
9096         }
9097
9098         attr->DecRef();
9099     }
9100
9101     // now also compare with the column label extent
9102     wxCoord w, h;
9103     dc.SetFont( GetLabelFont() );
9104
9105     if ( column )
9106         dc.GetTextExtent( GetColLabelValue(col), &w, &h );
9107     else
9108         dc.GetTextExtent( GetRowLabelValue(row), &w, &h );
9109
9110     extent = column ? w : h;
9111     if ( extent > extentMax )
9112     {
9113         extentMax = extent;
9114     }
9115
9116     if ( !extentMax )
9117     {
9118         // empty column - give default extent (notice that if extentMax is less
9119         // than default extent but != 0, it's ok)
9120         extentMax = column ? m_defaultColWidth : m_defaultRowHeight;
9121     }
9122     else
9123     {
9124         if ( column )
9125         {
9126             // leave some space around text
9127             extentMax += 10;
9128         }
9129         else
9130         {
9131             extentMax += 6;
9132         }
9133     }
9134
9135     if ( column )
9136     {
9137         SetColSize(col, extentMax);
9138         if ( !GetBatchCount() )
9139         {
9140             int cw, ch, dummy;
9141             m_gridWin->GetClientSize( &cw, &ch );
9142             wxRect rect ( CellToRect( 0, col ) );
9143             rect.y = 0;
9144             CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
9145             rect.width = cw - rect.x;
9146             rect.height = m_colLabelHeight;
9147             m_colLabelWin->Refresh( TRUE, &rect );
9148         }
9149     }
9150     else
9151     {
9152         SetRowSize(row, extentMax);
9153         if ( !GetBatchCount() )
9154         {
9155             int cw, ch, dummy;
9156             m_gridWin->GetClientSize( &cw, &ch );
9157             wxRect rect ( CellToRect( row, 0 ) );
9158             rect.x = 0;
9159             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
9160             rect.width = m_rowLabelWidth;
9161             rect.height = ch - rect.y;
9162             m_rowLabelWin->Refresh( TRUE, &rect );
9163         }
9164     }
9165     if ( setAsMin )
9166     {
9167         if ( column )
9168             SetColMinimalWidth(col, extentMax);
9169         else
9170             SetRowMinimalHeight(row, extentMax);
9171     }
9172 }
9173
9174 int wxGrid::SetOrCalcColumnSizes(bool calcOnly, bool setAsMin)
9175 {
9176     int width = m_rowLabelWidth;
9177
9178     if ( !calcOnly )
9179         BeginBatch();
9180
9181     for ( int col = 0; col < m_numCols; col++ )
9182     {
9183         if ( !calcOnly )
9184         {
9185             AutoSizeColumn(col, setAsMin);
9186         }
9187
9188         width += GetColWidth(col);
9189     }
9190
9191     if ( !calcOnly )
9192         EndBatch();
9193
9194     return width;
9195 }
9196
9197 int wxGrid::SetOrCalcRowSizes(bool calcOnly, bool setAsMin)
9198 {
9199     int height = m_colLabelHeight;
9200
9201     if ( !calcOnly )
9202         BeginBatch();
9203
9204     for ( int row = 0; row < m_numRows; row++ )
9205     {
9206         if ( !calcOnly )
9207         {
9208             AutoSizeRow(row, setAsMin);
9209         }
9210
9211         height += GetRowHeight(row);
9212     }
9213
9214     if ( !calcOnly )
9215         EndBatch();
9216
9217     return height;
9218 }
9219
9220 void wxGrid::AutoSize()
9221 {
9222     BeginBatch();
9223
9224     wxSize size(SetOrCalcColumnSizes(FALSE), SetOrCalcRowSizes(FALSE));
9225
9226     // round up the size to a multiple of scroll step - this ensures that we
9227     // won't get the scrollbars if we're sized exactly to this width
9228     wxSize sizeFit(GetScrollX(size.x) * GRID_SCROLL_LINE_X,
9229                    GetScrollY(size.y) * GRID_SCROLL_LINE_Y);
9230
9231     // distribute the extra space between teh columns/rows to avoid having
9232     // extra white space
9233     wxCoord diff = sizeFit.x - size.x;
9234     if ( diff )
9235     {
9236         // try to resize the columns uniformly
9237         wxCoord diffPerCol = diff / m_numCols;
9238         if ( diffPerCol )
9239         {
9240             for ( int col = 0; col < m_numCols; col++ )
9241             {
9242                 SetColSize(col, GetColWidth(col) + diffPerCol);
9243             }
9244         }
9245
9246         // add remaining amount to the last columns
9247         diff -= diffPerCol * m_numCols;
9248         if ( diff )
9249         {
9250             for ( int col = m_numCols - 1; col >= m_numCols - diff; col-- )
9251             {
9252                 SetColSize(col, GetColWidth(col) + 1);
9253             }
9254         }
9255     }
9256
9257     // same for rows
9258     diff = sizeFit.y - size.y;
9259     if ( diff )
9260     {
9261         // try to resize the columns uniformly
9262         wxCoord diffPerRow = diff / m_numRows;
9263         if ( diffPerRow )
9264         {
9265             for ( int row = 0; row < m_numRows; row++ )
9266             {
9267                 SetRowSize(row, GetRowHeight(row) + diffPerRow);
9268             }
9269         }
9270
9271         // add remaining amount to the last rows
9272         diff -= diffPerRow * m_numRows;
9273         if ( diff )
9274         {
9275             for ( int row = m_numRows - 1; row >= m_numRows - diff; row-- )
9276             {
9277                 SetRowSize(row, GetRowHeight(row) + 1);
9278             }
9279         }
9280     }
9281
9282     EndBatch();
9283
9284     SetClientSize(sizeFit);
9285 }
9286
9287 wxSize wxGrid::DoGetBestSize() const
9288 {
9289     // don't set sizes, only calculate them
9290     wxGrid *self = (wxGrid *)this;  // const_cast
9291
9292     int width, height;
9293     width = self->SetOrCalcColumnSizes(TRUE);
9294     height = self->SetOrCalcRowSizes(TRUE);
9295
9296     int maxwidth, maxheight;
9297     wxDisplaySize( & maxwidth, & maxheight );
9298
9299     if ( width > maxwidth ) width = maxwidth;
9300     if ( height > maxheight ) height = maxheight;
9301
9302     return wxSize( width, height );
9303 }
9304
9305 void wxGrid::Fit()
9306 {
9307     AutoSize();
9308 }
9309
9310
9311 wxPen& wxGrid::GetDividerPen() const
9312 {
9313     return wxNullPen;
9314 }
9315
9316 // ----------------------------------------------------------------------------
9317 // cell value accessor functions
9318 // ----------------------------------------------------------------------------
9319
9320 void wxGrid::SetCellValue( int row, int col, const wxString& s )
9321 {
9322     if ( m_table )
9323     {
9324         m_table->SetValue( row, col, s );
9325         if ( !GetBatchCount() )
9326         {
9327             int dummy;
9328             wxRect rect( CellToRect( row, col ) );
9329             rect.x = 0;
9330             rect.width = m_gridWin->GetClientSize().GetWidth();
9331             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
9332             m_gridWin->Refresh( FALSE, &rect );
9333         }
9334
9335         if ( m_currentCellCoords.GetRow() == row &&
9336              m_currentCellCoords.GetCol() == col &&
9337              IsCellEditControlShown())
9338              // Note: If we are using IsCellEditControlEnabled,
9339              // this interacts badly with calling SetCellValue from
9340              // an EVT_GRID_CELL_CHANGE handler.
9341         {
9342             HideCellEditControl();
9343             ShowCellEditControl(); // will reread data from table
9344         }
9345     }
9346 }
9347
9348
9349 //
9350 // ------ Block, row and col selection
9351 //
9352
9353 void wxGrid::SelectRow( int row, bool addToSelected )
9354 {
9355     if ( IsSelection() && !addToSelected )
9356         ClearSelection();
9357
9358     if ( m_selection )
9359         m_selection->SelectRow( row, FALSE, addToSelected );
9360 }
9361
9362
9363 void wxGrid::SelectCol( int col, bool addToSelected )
9364 {
9365     if ( IsSelection() && !addToSelected )
9366         ClearSelection();
9367
9368     if ( m_selection )
9369         m_selection->SelectCol( col, FALSE, addToSelected );
9370 }
9371
9372
9373 void wxGrid::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol,
9374                           bool addToSelected )
9375 {
9376     if ( IsSelection() && !addToSelected )
9377         ClearSelection();
9378
9379     if ( m_selection )
9380         m_selection->SelectBlock( topRow, leftCol, bottomRow, rightCol,
9381                                   FALSE, addToSelected );
9382 }
9383
9384
9385 void wxGrid::SelectAll()
9386 {
9387     if ( m_numRows > 0 && m_numCols > 0 )
9388     {
9389         if ( m_selection )
9390             m_selection->SelectBlock( 0, 0, m_numRows-1, m_numCols-1 );
9391     }
9392 }
9393
9394 //
9395 // ------ Cell, row and col deselection
9396 //
9397
9398 void wxGrid::DeselectRow( int row )
9399 {
9400     if ( !m_selection )
9401         return;
9402
9403     if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectRows )
9404     {
9405         if ( m_selection->IsInSelection(row, 0 ) )
9406             m_selection->ToggleCellSelection( row, 0);
9407     }
9408     else
9409     {
9410         int nCols = GetNumberCols();
9411         for ( int i = 0; i < nCols ; i++ )
9412         {
9413             if ( m_selection->IsInSelection(row, i ) )
9414                 m_selection->ToggleCellSelection( row, i);
9415         }
9416     }
9417 }
9418
9419 void wxGrid::DeselectCol( int col )
9420 {
9421     if ( !m_selection )
9422         return;
9423
9424     if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectColumns )
9425     {
9426         if ( m_selection->IsInSelection(0, col ) )
9427             m_selection->ToggleCellSelection( 0, col);
9428     }
9429     else
9430     {
9431         int nRows = GetNumberRows();
9432         for ( int i = 0; i < nRows ; i++ )
9433         {
9434             if ( m_selection->IsInSelection(i, col ) )
9435                 m_selection->ToggleCellSelection(i, col);
9436         }
9437     }
9438 }
9439
9440 void wxGrid::DeselectCell( int row, int col )
9441 {
9442     if ( m_selection && m_selection->IsInSelection(row, col) )
9443         m_selection->ToggleCellSelection(row, col);
9444 }
9445
9446 bool wxGrid::IsSelection()
9447 {
9448     return ( m_selection && (m_selection->IsSelection() ||
9449              ( m_selectingTopLeft != wxGridNoCellCoords &&
9450                m_selectingBottomRight != wxGridNoCellCoords) ) );
9451 }
9452
9453 bool wxGrid::IsInSelection( int row, int col ) const
9454 {
9455     return ( m_selection && (m_selection->IsInSelection( row, col ) ||
9456              ( row >= m_selectingTopLeft.GetRow() &&
9457                col >= m_selectingTopLeft.GetCol() &&
9458                row <= m_selectingBottomRight.GetRow() &&
9459                col <= m_selectingBottomRight.GetCol() )) );
9460 }
9461
9462 wxGridCellCoordsArray wxGrid::GetSelectedCells() const
9463 {
9464     if (!m_selection) { wxGridCellCoordsArray a; return a; }
9465     return m_selection->m_cellSelection;
9466 }
9467 wxGridCellCoordsArray wxGrid::GetSelectionBlockTopLeft() const
9468 {
9469     if (!m_selection) { wxGridCellCoordsArray a; return a; }
9470     return m_selection->m_blockSelectionTopLeft;
9471 }
9472 wxGridCellCoordsArray wxGrid::GetSelectionBlockBottomRight() const
9473 {
9474     if (!m_selection) { wxGridCellCoordsArray a; return a; }
9475     return m_selection->m_blockSelectionBottomRight;
9476 }
9477 wxArrayInt wxGrid::GetSelectedRows() const
9478 {
9479     if (!m_selection) { wxArrayInt a; return a; }
9480     return m_selection->m_rowSelection;
9481 }
9482 wxArrayInt wxGrid::GetSelectedCols() const
9483 {
9484     if (!m_selection) { wxArrayInt a; return a; }
9485     return m_selection->m_colSelection;
9486 }
9487
9488
9489 void wxGrid::ClearSelection()
9490 {
9491     m_selectingTopLeft = wxGridNoCellCoords;
9492     m_selectingBottomRight = wxGridNoCellCoords;
9493     if ( m_selection )
9494         m_selection->ClearSelection();
9495 }
9496
9497
9498 // This function returns the rectangle that encloses the given block
9499 // in device coords clipped to the client size of the grid window.
9500 //
9501 wxRect wxGrid::BlockToDeviceRect( const wxGridCellCoords &topLeft,
9502                                   const wxGridCellCoords &bottomRight )
9503 {
9504     wxRect rect( wxGridNoCellRect );
9505     wxRect cellRect;
9506
9507     cellRect = CellToRect( topLeft );
9508     if ( cellRect != wxGridNoCellRect )
9509     {
9510         rect = cellRect;
9511     }
9512     else
9513     {
9514         rect = wxRect( 0, 0, 0, 0 );
9515     }
9516
9517     cellRect = CellToRect( bottomRight );
9518     if ( cellRect != wxGridNoCellRect )
9519     {
9520         rect += cellRect;
9521     }
9522     else
9523     {
9524         return wxGridNoCellRect;
9525     }
9526
9527     int i, j;
9528     int left = rect.GetLeft();
9529     int top = rect.GetTop();
9530     int right = rect.GetRight();
9531     int bottom = rect.GetBottom();
9532
9533     int leftCol = topLeft.GetCol();
9534     int topRow = topLeft.GetRow();
9535     int rightCol = bottomRight.GetCol();
9536     int bottomRow = bottomRight.GetRow();
9537
9538     if (left > right)
9539     {
9540         i = left;
9541         left = right;
9542         right = i;
9543         i = leftCol;
9544         leftCol=rightCol;
9545         rightCol = i;
9546     }
9547
9548     if (top > bottom)
9549     {
9550         i = top;
9551         top = bottom;
9552         bottom = i;
9553         i = topRow;
9554         topRow = bottomRow;
9555         bottomRow = i;
9556     }
9557
9558
9559     for ( j = topRow; j <= bottomRow; j++ )
9560     {
9561         for ( i = leftCol; i <= rightCol; i++ )
9562         {
9563             if ((j==topRow) || (j==bottomRow) || (i==leftCol) || (i==rightCol))
9564             {
9565                 cellRect = CellToRect( j, i );
9566
9567                 if (cellRect.x < left)
9568                     left = cellRect.x;
9569                 if (cellRect.y < top)
9570                     top = cellRect.y;
9571                 if (cellRect.x + cellRect.width > right)
9572                     right = cellRect.x + cellRect.width;
9573                 if (cellRect.y + cellRect.height > bottom)
9574                     bottom = cellRect.y + cellRect.height;
9575             }
9576             else i = rightCol; // jump over inner cells.
9577         }
9578     }
9579
9580     // convert to scrolled coords
9581     //
9582     CalcScrolledPosition( left, top, &left, &top );
9583     CalcScrolledPosition( right, bottom, &right, &bottom );
9584
9585     int cw, ch;
9586     m_gridWin->GetClientSize( &cw, &ch );
9587
9588     if (right < 0 || bottom < 0 || left > cw || top > ch)
9589         return wxRect( 0, 0, 0, 0);
9590
9591     rect.SetLeft( wxMax(0, left) );
9592     rect.SetTop( wxMax(0, top) );
9593     rect.SetRight( wxMin(cw, right) );
9594     rect.SetBottom( wxMin(ch, bottom) );
9595
9596     return rect;
9597 }
9598
9599
9600
9601 //
9602 // ------ Grid event classes
9603 //
9604
9605 IMPLEMENT_DYNAMIC_CLASS( wxGridEvent, wxNotifyEvent )
9606
9607 wxGridEvent::wxGridEvent( int id, wxEventType type, wxObject* obj,
9608                           int row, int col, int x, int y, bool sel,
9609                           bool control, bool shift, bool alt, bool meta )
9610         : wxNotifyEvent( type, id )
9611 {
9612     m_row = row;
9613     m_col = col;
9614     m_x = x;
9615     m_y = y;
9616     m_selecting = sel;
9617     m_control = control;
9618     m_shift = shift;
9619     m_alt = alt;
9620     m_meta = meta;
9621
9622     SetEventObject(obj);
9623 }
9624
9625
9626 IMPLEMENT_DYNAMIC_CLASS( wxGridSizeEvent, wxNotifyEvent )
9627
9628 wxGridSizeEvent::wxGridSizeEvent( int id, wxEventType type, wxObject* obj,
9629                                   int rowOrCol, int x, int y,
9630                                   bool control, bool shift, bool alt, bool meta )
9631         : wxNotifyEvent( type, id )
9632 {
9633     m_rowOrCol = rowOrCol;
9634     m_x = x;
9635     m_y = y;
9636     m_control = control;
9637     m_shift = shift;
9638     m_alt = alt;
9639     m_meta = meta;
9640
9641     SetEventObject(obj);
9642 }
9643
9644
9645 IMPLEMENT_DYNAMIC_CLASS( wxGridRangeSelectEvent, wxNotifyEvent )
9646
9647 wxGridRangeSelectEvent::wxGridRangeSelectEvent(int id, wxEventType type, wxObject* obj,
9648                                                const wxGridCellCoords& topLeft,
9649                                                const wxGridCellCoords& bottomRight,
9650                                                bool sel, bool control,
9651                                                bool shift, bool alt, bool meta )
9652         : wxNotifyEvent( type, id )
9653 {
9654     m_topLeft     = topLeft;
9655     m_bottomRight = bottomRight;
9656     m_selecting   = sel;
9657     m_control     = control;
9658     m_shift       = shift;
9659     m_alt         = alt;
9660     m_meta        = meta;
9661
9662     SetEventObject(obj);
9663 }
9664
9665
9666 IMPLEMENT_DYNAMIC_CLASS(wxGridEditorCreatedEvent, wxCommandEvent)
9667
9668 wxGridEditorCreatedEvent::wxGridEditorCreatedEvent(int id, wxEventType type,
9669                                                    wxObject* obj, int row,
9670                                                    int col, wxControl* ctrl)
9671     : wxCommandEvent(type, id)
9672 {
9673     SetEventObject(obj);
9674     m_row = row;
9675     m_col = col;
9676     m_ctrl = ctrl;
9677 }
9678
9679
9680 #endif // !wxUSE_NEW_GRID/wxUSE_NEW_GRID
9681
9682 #endif // wxUSE_GRID