src/generic/grid.cpp

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