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