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