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