src/generic/grid.cpp

   1 ///////////////////////////////////////////////////////////////////////////
   2 // Name:        src/generic/grid.cpp
   3 // Purpose:     wxGrid and related classes
   4 // Author:      Michael Bedward (based on code by Julian Smart, Robin Dunn)
   5 // Modified by: Robin Dunn, Vadim Zeitlin
   6 // Created:     1/08/1999
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Michael Bedward (mbedward@ozemail.com.au)
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilatixon, includes "wx/wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #include "wx/defs.h"
  16
  17 #ifdef __BORLANDC__
  18     #pragma hdrstop
  19 #endif
  20
  21 #if wxUSE_GRID
  22
  23 #ifndef WX_PRECOMP
  24     #include "wx/utils.h"
  25     #include "wx/dcclient.h"
  26     #include "wx/settings.h"
  27     #include "wx/log.h"
  28     #include "wx/textctrl.h"
  29     #include "wx/checkbox.h"
  30     #include "wx/combobox.h"
  31     #include "wx/valtext.h"
  32     #include "wx/intl.h"
  33     #include "wx/math.h"
  34 #endif
  35
  36 #include "wx/textfile.h"
  37 #include "wx/spinctrl.h"
  38 #include "wx/tokenzr.h"
  39 #include "wx/renderer.h"
  40
  41 #include "wx/grid.h"
  42 #include "wx/generic/gridsel.h"
  43
  44 #if defined(__WXMOTIF__)
  45     #define WXUNUSED_MOTIF(identifier)  WXUNUSED(identifier)
  46 #else
  47     #define WXUNUSED_MOTIF(identifier)  identifier
  48 #endif
  49
  50 #if defined(__WXGTK__)
  51     #define WXUNUSED_GTK(identifier)    WXUNUSED(identifier)
  52 #else
  53     #define WXUNUSED_GTK(identifier)    identifier
  54 #endif
  55
  56 // Required for wxIs... functions
  57 #include <ctype.h>
  58
  59 // ----------------------------------------------------------------------------
  60 // array classes
  61 // ----------------------------------------------------------------------------
  62
  63 WX_DEFINE_ARRAY_WITH_DECL_PTR(wxGridCellAttr *, wxArrayAttrs,
  64                                  class WXDLLIMPEXP_ADV);
  65
  66 struct wxGridCellWithAttr
  67 {
  68     wxGridCellWithAttr(int row, int col, wxGridCellAttr *attr_)
  69         : coords(row, col), attr(attr_)
  70     {
  71     }
  72
  73     ~wxGridCellWithAttr()
  74     {
  75         attr->DecRef();
  76     }
  77
  78     wxGridCellCoords coords;
  79     wxGridCellAttr  *attr;
  80
  81 // Cannot do this:
  82 //  DECLARE_NO_COPY_CLASS(wxGridCellWithAttr)
  83 // without rewriting the macros, which require a public copy constructor.
  84 };
  85
  86 WX_DECLARE_OBJARRAY_WITH_DECL(wxGridCellWithAttr, wxGridCellWithAttrArray,
  87                               class WXDLLIMPEXP_ADV);
  88
  89 #include "wx/arrimpl.cpp"
  90
  91 WX_DEFINE_OBJARRAY(wxGridCellCoordsArray)
  92 WX_DEFINE_OBJARRAY(wxGridCellWithAttrArray)
  93
  94 // ----------------------------------------------------------------------------
  95 // events
  96 // ----------------------------------------------------------------------------
  97
  98 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_LEFT_CLICK)
  99 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_RIGHT_CLICK)
 100 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_LEFT_DCLICK)
 101 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_RIGHT_DCLICK)
 102 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_BEGIN_DRAG)
 103 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_LEFT_CLICK)
 104 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_RIGHT_CLICK)
 105 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_LEFT_DCLICK)
 106 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_RIGHT_DCLICK)
 107 DEFINE_EVENT_TYPE(wxEVT_GRID_ROW_SIZE)
 108 DEFINE_EVENT_TYPE(wxEVT_GRID_COL_SIZE)
 109 DEFINE_EVENT_TYPE(wxEVT_GRID_RANGE_SELECT)
 110 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_CHANGE)
 111 DEFINE_EVENT_TYPE(wxEVT_GRID_SELECT_CELL)
 112 DEFINE_EVENT_TYPE(wxEVT_GRID_EDITOR_SHOWN)
 113 DEFINE_EVENT_TYPE(wxEVT_GRID_EDITOR_HIDDEN)
 114 DEFINE_EVENT_TYPE(wxEVT_GRID_EDITOR_CREATED)
 115
 116 // ----------------------------------------------------------------------------
 117 // private classes
 118 // ----------------------------------------------------------------------------
 119
 120 class WXDLLIMPEXP_ADV wxGridRowLabelWindow : public wxWindow
 121 {
 122 public:
 123     wxGridRowLabelWindow() { m_owner = (wxGrid *)NULL; }
 124     wxGridRowLabelWindow( wxGrid *parent, wxWindowID id,
 125                           const wxPoint &pos, const wxSize &size );
 126
 127 private:
 128     wxGrid   *m_owner;
 129
 130     void OnPaint( wxPaintEvent& event );
 131     void OnMouseEvent( wxMouseEvent& event );
 132     void OnMouseWheel( wxMouseEvent& event );
 133     void OnKeyDown( wxKeyEvent& event );
 134     void OnKeyUp( wxKeyEvent& );
 135     void OnChar( wxKeyEvent& );
 136
 137     DECLARE_DYNAMIC_CLASS(wxGridRowLabelWindow)
 138     DECLARE_EVENT_TABLE()
 139     DECLARE_NO_COPY_CLASS(wxGridRowLabelWindow)
 140 };
 141
 142
 143 class WXDLLIMPEXP_ADV wxGridColLabelWindow : public wxWindow
 144 {
 145 public:
 146     wxGridColLabelWindow() { m_owner = (wxGrid *)NULL; }
 147     wxGridColLabelWindow( wxGrid *parent, wxWindowID id,
 148                           const wxPoint &pos, const wxSize &size );
 149
 150 private:
 151     wxGrid   *m_owner;
 152
 153     void OnPaint( wxPaintEvent &event );
 154     void OnMouseEvent( wxMouseEvent& event );
 155     void OnMouseWheel( wxMouseEvent& event );
 156     void OnKeyDown( wxKeyEvent& event );
 157     void OnKeyUp( wxKeyEvent& );
 158     void OnChar( wxKeyEvent& );
 159
 160     DECLARE_DYNAMIC_CLASS(wxGridColLabelWindow)
 161     DECLARE_EVENT_TABLE()
 162     DECLARE_NO_COPY_CLASS(wxGridColLabelWindow)
 163 };
 164
 165
 166 class WXDLLIMPEXP_ADV wxGridCornerLabelWindow : public wxWindow
 167 {
 168 public:
 169     wxGridCornerLabelWindow() { m_owner = (wxGrid *)NULL; }
 170     wxGridCornerLabelWindow( wxGrid *parent, wxWindowID id,
 171                              const wxPoint &pos, const wxSize &size );
 172
 173 private:
 174     wxGrid *m_owner;
 175
 176     void OnMouseEvent( wxMouseEvent& event );
 177     void OnMouseWheel( wxMouseEvent& event );
 178     void OnKeyDown( wxKeyEvent& event );
 179     void OnKeyUp( wxKeyEvent& );
 180     void OnChar( wxKeyEvent& );
 181     void OnPaint( wxPaintEvent& event );
 182
 183     DECLARE_DYNAMIC_CLASS(wxGridCornerLabelWindow)
 184     DECLARE_EVENT_TABLE()
 185     DECLARE_NO_COPY_CLASS(wxGridCornerLabelWindow)
 186 };
 187
 188 class WXDLLIMPEXP_ADV wxGridWindow : public wxWindow
 189 {
 190 public:
 191     wxGridWindow()
 192     {
 193         m_owner = (wxGrid *)NULL;
 194         m_rowLabelWin = (wxGridRowLabelWindow *)NULL;
 195         m_colLabelWin = (wxGridColLabelWindow *)NULL;
 196     }
 197
 198     wxGridWindow( wxGrid *parent,
 199                   wxGridRowLabelWindow *rowLblWin,
 200                   wxGridColLabelWindow *colLblWin,
 201                   wxWindowID id, const wxPoint &pos, const wxSize &size );
 202     ~wxGridWindow() {}
 203
 204     void ScrollWindow( int dx, int dy, const wxRect *rect );
 205
 206     wxGrid* GetOwner() { return m_owner; }
 207
 208 private:
 209     wxGrid                   *m_owner;
 210     wxGridRowLabelWindow     *m_rowLabelWin;
 211     wxGridColLabelWindow     *m_colLabelWin;
 212
 213     void OnPaint( wxPaintEvent &event );
 214     void OnMouseWheel( wxMouseEvent& event );
 215     void OnMouseEvent( wxMouseEvent& event );
 216     void OnKeyDown( wxKeyEvent& );
 217     void OnKeyUp( wxKeyEvent& );
 218     void OnChar( wxKeyEvent& );
 219     void OnEraseBackground( wxEraseEvent& );
 220     void OnFocus( wxFocusEvent& );
 221
 222     DECLARE_DYNAMIC_CLASS(wxGridWindow)
 223     DECLARE_EVENT_TABLE()
 224     DECLARE_NO_COPY_CLASS(wxGridWindow)
 225 };
 226
 227
 228 class wxGridCellEditorEvtHandler : public wxEvtHandler
 229 {
 230 public:
 231     wxGridCellEditorEvtHandler(wxGrid* grid, wxGridCellEditor* editor)
 232         : m_grid(grid),
 233           m_editor(editor),
 234           m_inSetFocus(false)
 235     {
 236     }
 237
 238     void OnKillFocus(wxFocusEvent& event);
 239     void OnKeyDown(wxKeyEvent& event);
 240     void OnChar(wxKeyEvent& event);
 241
 242     void SetInSetFocus(bool inSetFocus) { m_inSetFocus = inSetFocus; }
 243
 244 private:
 245     wxGrid             *m_grid;
 246     wxGridCellEditor   *m_editor;
 247
 248     // Work around the fact that a focus kill event can be sent to
 249     // a combobox within a set focus event.
 250     bool                m_inSetFocus;
 251
 252     DECLARE_EVENT_TABLE()
 253     DECLARE_DYNAMIC_CLASS(wxGridCellEditorEvtHandler)
 254     DECLARE_NO_COPY_CLASS(wxGridCellEditorEvtHandler)
 255 };
 256
 257
 258 IMPLEMENT_ABSTRACT_CLASS(wxGridCellEditorEvtHandler, wxEvtHandler)
 259
 260 BEGIN_EVENT_TABLE( wxGridCellEditorEvtHandler, wxEvtHandler )
 261     EVT_KILL_FOCUS( wxGridCellEditorEvtHandler::OnKillFocus )
 262     EVT_KEY_DOWN( wxGridCellEditorEvtHandler::OnKeyDown )
 263     EVT_CHAR( wxGridCellEditorEvtHandler::OnChar )
 264 END_EVENT_TABLE()
 265
 266
 267
 268 // ----------------------------------------------------------------------------
 269 // the internal data representation used by wxGridCellAttrProvider
 270 // ----------------------------------------------------------------------------
 271
 272 // this class stores attributes set for cells
 273 class WXDLLIMPEXP_ADV wxGridCellAttrData
 274 {
 275 public:
 276     void SetAttr(wxGridCellAttr *attr, int row, int col);
 277     wxGridCellAttr *GetAttr(int row, int col) const;
 278     void UpdateAttrRows( size_t pos, int numRows );
 279     void UpdateAttrCols( size_t pos, int numCols );
 280
 281 private:
 282     // searches for the attr for given cell, returns wxNOT_FOUND if not found
 283     int FindIndex(int row, int col) const;
 284
 285     wxGridCellWithAttrArray m_attrs;
 286 };
 287
 288 // this class stores attributes set for rows or columns
 289 class WXDLLIMPEXP_ADV wxGridRowOrColAttrData
 290 {
 291 public:
 292     // empty ctor to suppress warnings
 293     wxGridRowOrColAttrData() {}
 294     ~wxGridRowOrColAttrData();
 295
 296     void SetAttr(wxGridCellAttr *attr, int rowOrCol);
 297     wxGridCellAttr *GetAttr(int rowOrCol) const;
 298     void UpdateAttrRowsOrCols( size_t pos, int numRowsOrCols );
 299
 300 private:
 301     wxArrayInt m_rowsOrCols;
 302     wxArrayAttrs m_attrs;
 303 };
 304
 305 // NB: this is just a wrapper around 3 objects: one which stores cell
 306 //     attributes, and 2 others for row/col ones
 307 class WXDLLIMPEXP_ADV wxGridCellAttrProviderData
 308 {
 309 public:
 310     wxGridCellAttrData m_cellAttrs;
 311     wxGridRowOrColAttrData m_rowAttrs,
 312                            m_colAttrs;
 313 };
 314
 315
 316 // ----------------------------------------------------------------------------
 317 // data structures used for the data type registry
 318 // ----------------------------------------------------------------------------
 319
 320 struct wxGridDataTypeInfo
 321 {
 322     wxGridDataTypeInfo(const wxString& typeName,
 323                        wxGridCellRenderer* renderer,
 324                        wxGridCellEditor* editor)
 325         : m_typeName(typeName), m_renderer(renderer), m_editor(editor)
 326         {}
 327
 328     ~wxGridDataTypeInfo()
 329     {
 330         wxSafeDecRef(m_renderer);
 331         wxSafeDecRef(m_editor);
 332     }
 333
 334     wxString            m_typeName;
 335     wxGridCellRenderer* m_renderer;
 336     wxGridCellEditor*   m_editor;
 337
 338     DECLARE_NO_COPY_CLASS(wxGridDataTypeInfo)
 339 };
 340
 341
 342 WX_DEFINE_ARRAY_WITH_DECL_PTR(wxGridDataTypeInfo*, wxGridDataTypeInfoArray,
 343                                  class WXDLLIMPEXP_ADV);
 344
 345
 346 class WXDLLIMPEXP_ADV wxGridTypeRegistry
 347 {
 348 public:
 349   wxGridTypeRegistry() {}
 350     ~wxGridTypeRegistry();
 351
 352     void RegisterDataType(const wxString& typeName,
 353                      wxGridCellRenderer* renderer,
 354                      wxGridCellEditor* editor);
 355
 356     // find one of already registered data types
 357     int FindRegisteredDataType(const wxString& typeName);
 358
 359     // try to FindRegisteredDataType(), if this fails and typeName is one of
 360     // standard typenames, register it and return its index
 361     int FindDataType(const wxString& typeName);
 362
 363     // try to FindDataType(), if it fails see if it is not one of already
 364     // registered data types with some params in which case clone the
 365     // registered data type and set params for it
 366     int FindOrCloneDataType(const wxString& typeName);
 367
 368     wxGridCellRenderer* GetRenderer(int index);
 369     wxGridCellEditor*   GetEditor(int index);
 370
 371 private:
 372     wxGridDataTypeInfoArray m_typeinfo;
 373 };
 374
 375 // ----------------------------------------------------------------------------
 376 // conditional compilation
 377 // ----------------------------------------------------------------------------
 378
 379 #ifndef WXGRID_DRAW_LINES
 380 #define WXGRID_DRAW_LINES 1
 381 #endif
 382
 383 // ----------------------------------------------------------------------------
 384 // globals
 385 // ----------------------------------------------------------------------------
 386
 387 //#define DEBUG_ATTR_CACHE
 388 #ifdef DEBUG_ATTR_CACHE
 389     static size_t gs_nAttrCacheHits = 0;
 390     static size_t gs_nAttrCacheMisses = 0;
 391 #endif
 392
 393 // ----------------------------------------------------------------------------
 394 // constants
 395 // ----------------------------------------------------------------------------
 396
 397 wxGridCellCoords wxGridNoCellCoords( -1, -1 );
 398 wxRect wxGridNoCellRect( -1, -1, -1, -1 );
 399
 400 // scroll line size
 401 // TODO: this doesn't work at all, grid cells have different sizes and approx
 402 //       calculations don't work as because of the size mismatch scrollbars
 403 //       sometimes fail to be shown when they should be or vice versa
 404 //
 405 //       The scroll bars may be a little flakey once in a while, but that is
 406 //       surely much less horrible than having scroll lines of only 1!!!
 407 //       -- Robin
 408 //
 409 //       Well, it's still seriously broken so it might be better but needs
 410 //       fixing anyhow
 411 //       -- Vadim
 412 static const size_t GRID_SCROLL_LINE_X = 15;  // 1;
 413 static const size_t GRID_SCROLL_LINE_Y = GRID_SCROLL_LINE_X;
 414
 415 // the size of hash tables used a bit everywhere (the max number of elements
 416 // in these hash tables is the number of rows/columns)
 417 static const int GRID_HASH_SIZE = 100;
 418
 419 #if 0
 420 // ----------------------------------------------------------------------------
 421 // private functions
 422 // ----------------------------------------------------------------------------
 423
 424 static inline int GetScrollX(int x)
 425 {
 426     return (x + GRID_SCROLL_LINE_X - 1) / GRID_SCROLL_LINE_X;
 427 }
 428
 429 static inline int GetScrollY(int y)
 430 {
 431     return (y + GRID_SCROLL_LINE_Y - 1) / GRID_SCROLL_LINE_Y;
 432 }
 433 #endif
 434
 435 // ============================================================================
 436 // implementation
 437 // ============================================================================
 438
 439 // ----------------------------------------------------------------------------
 440 // wxGridCellEditor
 441 // ----------------------------------------------------------------------------
 442
 443 wxGridCellEditor::wxGridCellEditor()
 444 {
 445     m_control = NULL;
 446     m_attr = NULL;
 447 }
 448
 449 wxGridCellEditor::~wxGridCellEditor()
 450 {
 451     Destroy();
 452 }
 453
 454 void wxGridCellEditor::Create(wxWindow* WXUNUSED(parent),
 455                               wxWindowID WXUNUSED(id),
 456                               wxEvtHandler* evtHandler)
 457 {
 458     if ( evtHandler )
 459         m_control->PushEventHandler(evtHandler);
 460 }
 461
 462 void wxGridCellEditor::PaintBackground(const wxRect& rectCell,
 463                                        wxGridCellAttr *attr)
 464 {
 465     // erase the background because we might not fill the cell
 466     wxClientDC dc(m_control->GetParent());
 467     wxGridWindow* gridWindow = wxDynamicCast(m_control->GetParent(), wxGridWindow);
 468     if (gridWindow)
 469         gridWindow->GetOwner()->PrepareDC(dc);
 470
 471     dc.SetPen(*wxTRANSPARENT_PEN);
 472     dc.SetBrush(wxBrush(attr->GetBackgroundColour(), wxSOLID));
 473     dc.DrawRectangle(rectCell);
 474
 475     // redraw the control we just painted over
 476     m_control->Refresh();
 477 }
 478
 479 void wxGridCellEditor::Destroy()
 480 {
 481     if (m_control)
 482     {
 483         m_control->PopEventHandler(true /* delete it*/);
 484
 485         m_control->Destroy();
 486         m_control = NULL;
 487     }
 488 }
 489
 490 void wxGridCellEditor::Show(bool show, wxGridCellAttr *attr)
 491 {
 492     wxASSERT_MSG(m_control, wxT("The wxGridCellEditor must be created first!"));
 493
 494     m_control->Show(show);
 495
 496     if ( show )
 497     {
 498         // set the colours/fonts if we have any
 499         if ( attr )
 500         {
 501             m_colFgOld = m_control->GetForegroundColour();
 502             m_control->SetForegroundColour(attr->GetTextColour());
 503
 504             m_colBgOld = m_control->GetBackgroundColour();
 505             m_control->SetBackgroundColour(attr->GetBackgroundColour());
 506
 507 // Workaround for GTK+1 font setting problem on some platforms
 508 #if !defined(__WXGTK__) || defined(__WXGTK20__)
 509             m_fontOld = m_control->GetFont();
 510             m_control->SetFont(attr->GetFont());
 511 #endif
 512             // can't do anything more in the base class version, the other
 513             // attributes may only be used by the derived classes
 514         }
 515     }
 516     else
 517     {
 518         // restore the standard colours fonts
 519         if ( m_colFgOld.Ok() )
 520         {
 521             m_control->SetForegroundColour(m_colFgOld);
 522             m_colFgOld = wxNullColour;
 523         }
 524
 525         if ( m_colBgOld.Ok() )
 526         {
 527             m_control->SetBackgroundColour(m_colBgOld);
 528             m_colBgOld = wxNullColour;
 529         }
 530
 531 // Workaround for GTK+1 font setting problem on some platforms
 532 #if !defined(__WXGTK__) || defined(__WXGTK20__)
 533         if ( m_fontOld.Ok() )
 534         {
 535             m_control->SetFont(m_fontOld);
 536             m_fontOld = wxNullFont;
 537         }
 538 #endif
 539     }
 540 }
 541
 542 void wxGridCellEditor::SetSize(const wxRect& rect)
 543 {
 544     wxASSERT_MSG(m_control, wxT("The wxGridCellEditor must be created first!"));
 545
 546     m_control->SetSize(rect, wxSIZE_ALLOW_MINUS_ONE);
 547 }
 548
 549 void wxGridCellEditor::HandleReturn(wxKeyEvent& event)
 550 {
 551     event.Skip();
 552 }
 553
 554 bool wxGridCellEditor::IsAcceptedKey(wxKeyEvent& event)
 555 {
 556     bool ctrl = event.ControlDown();
 557     bool alt  = event.AltDown();
 558
 559 #ifdef __WXMAC__
 560     // On the Mac the Alt key is more like shift and is used for entry of
 561     // valid characters, so check for Ctrl and Meta instead.
 562     alt = event.MetaDown();
 563 #endif
 564
 565     // Assume it's not a valid char if ctrl or alt is down, but if both are
 566     // down then it may be because of an AltGr key combination, so let them
 567     // through in that case.
 568     if ((ctrl || alt) && !(ctrl && alt))
 569         return false;
 570
 571     int key = 0;
 572     bool keyOk = true;
 573
 574 #if wxUSE_UNICODE
 575     // if the unicode key code is not really a unicode character (it may
 576     // be a function key or etc., the platforms appear to always give us a
 577     // small value in this case) then fallback to the ASCII key code but
 578     // don't do anything for function keys or etc.
 579     key = event.GetUnicodeKey();
 580     if (key <= 127)
 581     {
 582         key = event.GetKeyCode();
 583         keyOk = (key <= 127);
 584     }
 585 #else
 586     key = event.GetKeyCode();
 587     keyOk = (key <= 255);
 588 #endif
 589
 590     return keyOk;
 591 }
 592
 593 void wxGridCellEditor::StartingKey(wxKeyEvent& event)
 594 {
 595     event.Skip();
 596 }
 597
 598 void wxGridCellEditor::StartingClick()
 599 {
 600 }
 601
 602 #if wxUSE_TEXTCTRL
 603
 604 // ----------------------------------------------------------------------------
 605 // wxGridCellTextEditor
 606 // ----------------------------------------------------------------------------
 607
 608 wxGridCellTextEditor::wxGridCellTextEditor()
 609 {
 610     m_maxChars = 0;
 611 }
 612
 613 void wxGridCellTextEditor::Create(wxWindow* parent,
 614                                   wxWindowID id,
 615                                   wxEvtHandler* evtHandler)
 616 {
 617     m_control = new wxTextCtrl(parent, id, wxEmptyString,
 618                                wxDefaultPosition, wxDefaultSize
 619 #if defined(__WXMSW__)
 620                                , wxTE_PROCESS_TAB | wxTE_AUTO_SCROLL
 621 #endif
 622                               );
 623
 624     // set max length allowed in the textctrl, if the parameter was set
 625     if (m_maxChars != 0)
 626     {
 627         ((wxTextCtrl*)m_control)->SetMaxLength(m_maxChars);
 628     }
 629
 630     wxGridCellEditor::Create(parent, id, evtHandler);
 631 }
 632
 633 void wxGridCellTextEditor::PaintBackground(const wxRect& WXUNUSED(rectCell),
 634                                            wxGridCellAttr * WXUNUSED(attr))
 635 {
 636     // as we fill the entire client area, don't do anything here to minimize
 637     // flicker
 638 }
 639
 640 void wxGridCellTextEditor::SetSize(const wxRect& rectOrig)
 641 {
 642     wxRect rect(rectOrig);
 643
 644     // Make the edit control large enough to allow for internal margins
 645     //
 646     // TODO: remove this if the text ctrl sizing is improved esp. for unix
 647     //
 648 #if defined(__WXGTK__)
 649     if (rect.x != 0)
 650     {
 651         rect.x += 1;
 652         rect.y += 1;
 653         rect.width -= 1;
 654         rect.height -= 1;
 655     }
 656 #else // !GTK
 657     int extra_x = ( rect.x > 2 )? 2 : 1;
 658
 659 // MB: treat MSW separately here otherwise the caret doesn't show
 660 // when the editor is in the first row.
 661 #if defined(__WXMSW__)
 662     int extra_y = 2;
 663 #else
 664     int extra_y = ( rect.y > 2 ) ? 2 : 1;
 665 #endif
 666
 667 #if defined(__WXMOTIF__)
 668     extra_x *= 2;
 669     extra_y *= 2;
 670 #endif
 671
 672     rect.SetLeft( wxMax(0, rect.x - extra_x) );
 673     rect.SetTop( wxMax(0, rect.y - extra_y) );
 674     rect.SetRight( rect.GetRight() + 2 * extra_x );
 675     rect.SetBottom( rect.GetBottom() + 2 * extra_y );
 676 #endif // GTK/!GTK
 677
 678     wxGridCellEditor::SetSize(rect);
 679 }
 680
 681 void wxGridCellTextEditor::BeginEdit(int row, int col, wxGrid* grid)
 682 {
 683     wxASSERT_MSG(m_control, wxT("The wxGridCellEditor must be created first!"));
 684
 685     m_startValue = grid->GetTable()->GetValue(row, col);
 686
 687     DoBeginEdit(m_startValue);
 688 }
 689
 690 void wxGridCellTextEditor::DoBeginEdit(const wxString& startValue)
 691 {
 692     Text()->SetValue(startValue);
 693     Text()->SetInsertionPointEnd();
 694     Text()->SetSelection(-1, -1);
 695     Text()->SetFocus();
 696 }
 697
 698 bool wxGridCellTextEditor::EndEdit(int row, int col,
 699                                    wxGrid* grid)
 700 {
 701     wxASSERT_MSG(m_control, wxT("The wxGridCellEditor must be created first!"));
 702
 703     bool changed = false;
 704     wxString value = Text()->GetValue();
 705     if (value != m_startValue)
 706         changed = true;
 707
 708     if (changed)
 709         grid->GetTable()->SetValue(row, col, value);
 710
 711     m_startValue = wxEmptyString;
 712     // No point in setting the text of the hidden control
 713     //Text()->SetValue(m_startValue);
 714
 715     return changed;
 716 }
 717
 718 void wxGridCellTextEditor::Reset()
 719 {
 720     wxASSERT_MSG(m_control, wxT("The wxGridCellEditor must be created first!"));
 721
 722     DoReset(m_startValue);
 723 }
 724
 725 void wxGridCellTextEditor::DoReset(const wxString& startValue)
 726 {
 727     Text()->SetValue(startValue);
 728     Text()->SetInsertionPointEnd();
 729 }
 730
 731 bool wxGridCellTextEditor::IsAcceptedKey(wxKeyEvent& event)
 732 {
 733     return wxGridCellEditor::IsAcceptedKey(event);
 734 }
 735
 736 void wxGridCellTextEditor::StartingKey(wxKeyEvent& event)
 737 {
 738     // Since this is now happening in the EVT_CHAR event EmulateKeyPress is no
 739     // longer an appropriate way to get the character into the text control.
 740     // Do it ourselves instead.  We know that if we get this far that we have
 741     // a valid character, so not a whole lot of testing needs to be done.
 742
 743     wxTextCtrl* tc = Text();
 744     wxChar ch;
 745     long pos;
 746
 747 #if wxUSE_UNICODE
 748     ch = event.GetUnicodeKey();
 749     if (ch <= 127)
 750         ch = (wxChar)event.GetKeyCode();
 751 #else
 752     ch = (wxChar)event.GetKeyCode();
 753 #endif
 754
 755     switch (ch)
 756     {
 757         case WXK_DELETE:
 758             // delete the character at the cursor
 759             pos = tc->GetInsertionPoint();
 760             if (pos < tc->GetLastPosition())
 761                 tc->Remove(pos, pos + 1);
 762             break;
 763
 764         case WXK_BACK:
 765             // delete the character before the cursor
 766             pos = tc->GetInsertionPoint();
 767             if (pos > 0)
 768                 tc->Remove(pos - 1, pos);
 769             break;
 770
 771         default:
 772             tc->WriteText(ch);
 773             break;
 774     }
 775 }
 776
 777 void wxGridCellTextEditor::HandleReturn( wxKeyEvent&
 778                                          WXUNUSED_GTK(WXUNUSED_MOTIF(event)) )
 779 {
 780 #if defined(__WXMOTIF__) || defined(__WXGTK__)
 781     // wxMotif needs a little extra help...
 782     size_t pos = (size_t)( Text()->GetInsertionPoint() );
 783     wxString s( Text()->GetValue() );
 784     s = s.Left(pos) + wxT("\n") + s.Mid(pos);
 785     Text()->SetValue(s);
 786     Text()->SetInsertionPoint( pos );
 787 #else
 788     // the other ports can handle a Return key press
 789     //
 790     event.Skip();
 791 #endif
 792 }
 793
 794 void wxGridCellTextEditor::SetParameters(const wxString& params)
 795 {
 796     if ( !params )
 797     {
 798         // reset to default
 799         m_maxChars = 0;
 800     }
 801     else
 802     {
 803         long tmp;
 804         if ( !params.ToLong(&tmp) )
 805         {
 806             wxLogDebug(_T("Invalid wxGridCellTextEditor parameter string '%s' ignored"), params.c_str());
 807         }
 808         else
 809         {
 810             m_maxChars = (size_t)tmp;
 811         }
 812     }
 813 }
 814
 815 // return the value in the text control
 816 wxString wxGridCellTextEditor::GetValue() const
 817 {
 818     return Text()->GetValue();
 819 }
 820
 821 // ----------------------------------------------------------------------------
 822 // wxGridCellNumberEditor
 823 // ----------------------------------------------------------------------------
 824
 825 wxGridCellNumberEditor::wxGridCellNumberEditor(int min, int max)
 826 {
 827     m_min = min;
 828     m_max = max;
 829 }
 830
 831 void wxGridCellNumberEditor::Create(wxWindow* parent,
 832                                     wxWindowID id,
 833                                     wxEvtHandler* evtHandler)
 834 {
 835 #if wxUSE_SPINCTRL
 836     if ( HasRange() )
 837     {
 838         // create a spin ctrl
 839         m_control = new wxSpinCtrl(parent, wxID_ANY, wxEmptyString,
 840                                    wxDefaultPosition, wxDefaultSize,
 841                                    wxSP_ARROW_KEYS,
 842                                    m_min, m_max);
 843
 844         wxGridCellEditor::Create(parent, id, evtHandler);
 845     }
 846     else
 847 #endif
 848     {
 849         // just a text control
 850         wxGridCellTextEditor::Create(parent, id, evtHandler);
 851
 852 #if wxUSE_VALIDATORS
 853         Text()->SetValidator(wxTextValidator(wxFILTER_NUMERIC));
 854 #endif // wxUSE_VALIDATORS
 855     }
 856 }
 857
 858 void wxGridCellNumberEditor::BeginEdit(int row, int col, wxGrid* grid)
 859 {
 860     // first get the value
 861     wxGridTableBase *table = grid->GetTable();
 862     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_NUMBER) )
 863     {
 864         m_valueOld = table->GetValueAsLong(row, col);
 865     }
 866     else
 867     {
 868         m_valueOld = 0;
 869         wxString sValue = table->GetValue(row, col);
 870         if (! sValue.ToLong(&m_valueOld) && ! sValue.empty())
 871         {
 872             wxFAIL_MSG( _T("this cell doesn't have numeric value") );
 873             return;
 874         }
 875     }
 876
 877 #if wxUSE_SPINCTRL
 878     if ( HasRange() )
 879     {
 880         Spin()->SetValue((int)m_valueOld);
 881         Spin()->SetFocus();
 882     }
 883     else
 884 #endif
 885     {
 886         DoBeginEdit(GetString());
 887     }
 888 }
 889
 890 bool wxGridCellNumberEditor::EndEdit(int row, int col,
 891                                      wxGrid* grid)
 892 {
 893     bool changed;
 894     long value = 0;
 895     wxString text;
 896
 897 #if wxUSE_SPINCTRL
 898     if ( HasRange() )
 899     {
 900         value = Spin()->GetValue();
 901         changed = value != m_valueOld;
 902         if (changed)
 903             text = wxString::Format(wxT("%ld"), value);
 904     }
 905     else
 906 #endif
 907     {
 908         text = Text()->GetValue();
 909         changed = (text.empty() || text.ToLong(&value)) && (value != m_valueOld);
 910     }
 911
 912     if ( changed )
 913     {
 914         if (grid->GetTable()->CanSetValueAs(row, col, wxGRID_VALUE_NUMBER))
 915             grid->GetTable()->SetValueAsLong(row, col, value);
 916         else
 917             grid->GetTable()->SetValue(row, col, text);
 918     }
 919
 920     return changed;
 921 }
 922
 923 void wxGridCellNumberEditor::Reset()
 924 {
 925 #if wxUSE_SPINCTRL
 926     if ( HasRange() )
 927     {
 928         Spin()->SetValue((int)m_valueOld);
 929     }
 930     else
 931 #endif
 932     {
 933         DoReset(GetString());
 934     }
 935 }
 936
 937 bool wxGridCellNumberEditor::IsAcceptedKey(wxKeyEvent& event)
 938 {
 939     if ( wxGridCellEditor::IsAcceptedKey(event) )
 940     {
 941         int keycode = event.GetKeyCode();
 942         if ( (keycode < 128) &&
 943              (wxIsdigit(keycode) || keycode == '+' || keycode == '-'))
 944         {
 945             return true;
 946         }
 947     }
 948
 949     return false;
 950 }
 951
 952 void wxGridCellNumberEditor::StartingKey(wxKeyEvent& event)
 953 {
 954     int keycode = event.GetKeyCode();
 955     if ( !HasRange() )
 956     {
 957         if ( wxIsdigit(keycode) || keycode == '+' || keycode == '-')
 958         {
 959             wxGridCellTextEditor::StartingKey(event);
 960
 961             // skip Skip() below
 962             return;
 963         }
 964     }
 965 #if wxUSE_SPINCTRL
 966     else
 967     {
 968         if ( wxIsdigit(keycode) )
 969         {
 970             wxSpinCtrl* spin = (wxSpinCtrl*)m_control;
 971             spin->SetValue(keycode - '0');
 972             spin->SetSelection(1,1);
 973             return;
 974         }
 975     }
 976 #endif
 977
 978     event.Skip();
 979 }
 980
 981 void wxGridCellNumberEditor::SetParameters(const wxString& params)
 982 {
 983     if ( !params )
 984     {
 985         // reset to default
 986         m_min =
 987         m_max = -1;
 988     }
 989     else
 990     {
 991         long tmp;
 992         if ( params.BeforeFirst(_T(',')).ToLong(&tmp) )
 993         {
 994             m_min = (int)tmp;
 995
 996             if ( params.AfterFirst(_T(',')).ToLong(&tmp) )
 997             {
 998                 m_max = (int)tmp;
 999
1000                 // skip the error message below
1001                 return;
1002             }
1003         }
1004
1005         wxLogDebug(_T("Invalid wxGridCellNumberEditor parameter string '%s' ignored"), params.c_str());
1006     }
1007 }
1008
1009 // return the value in the spin control if it is there (the text control otherwise)
1010 wxString wxGridCellNumberEditor::GetValue() const
1011 {
1012     wxString s;
1013
1014 #if wxUSE_SPINCTRL
1015     if ( HasRange() )
1016     {
1017         long value = Spin()->GetValue();
1018         s.Printf(wxT("%ld"), value);
1019     }
1020     else
1021 #endif
1022     {
1023         s = Text()->GetValue();
1024     }
1025
1026     return s;
1027 }
1028
1029 // ----------------------------------------------------------------------------
1030 // wxGridCellFloatEditor
1031 // ----------------------------------------------------------------------------
1032
1033 wxGridCellFloatEditor::wxGridCellFloatEditor(int width, int precision)
1034 {
1035     m_width = width;
1036     m_precision = precision;
1037 }
1038
1039 void wxGridCellFloatEditor::Create(wxWindow* parent,
1040                                    wxWindowID id,
1041                                    wxEvtHandler* evtHandler)
1042 {
1043     wxGridCellTextEditor::Create(parent, id, evtHandler);
1044
1045 #if wxUSE_VALIDATORS
1046     Text()->SetValidator(wxTextValidator(wxFILTER_NUMERIC));
1047 #endif // wxUSE_VALIDATORS
1048 }
1049
1050 void wxGridCellFloatEditor::BeginEdit(int row, int col, wxGrid* grid)
1051 {
1052     // first get the value
1053     wxGridTableBase *table = grid->GetTable();
1054     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_FLOAT) )
1055     {
1056         m_valueOld = table->GetValueAsDouble(row, col);
1057     }
1058     else
1059     {
1060         m_valueOld = 0.0;
1061         wxString sValue = table->GetValue(row, col);
1062         if (! sValue.ToDouble(&m_valueOld) && ! sValue.empty())
1063         {
1064             wxFAIL_MSG( _T("this cell doesn't have float value") );
1065             return;
1066         }
1067     }
1068
1069     DoBeginEdit(GetString());
1070 }
1071
1072 bool wxGridCellFloatEditor::EndEdit(int row, int col,
1073                                      wxGrid* grid)
1074 {
1075     double value = 0.0;
1076     wxString text(Text()->GetValue());
1077
1078     if ( (text.empty() || text.ToDouble(&value)) &&
1079             !wxIsSameDouble(value, m_valueOld) )
1080     {
1081         if (grid->GetTable()->CanSetValueAs(row, col, wxGRID_VALUE_FLOAT))
1082             grid->GetTable()->SetValueAsDouble(row, col, value);
1083         else
1084             grid->GetTable()->SetValue(row, col, text);
1085
1086         return true;
1087     }
1088
1089     return false;
1090 }
1091
1092 void wxGridCellFloatEditor::Reset()
1093 {
1094     DoReset(GetString());
1095 }
1096
1097 void wxGridCellFloatEditor::StartingKey(wxKeyEvent& event)
1098 {
1099     int keycode = event.GetKeyCode();
1100     char tmpbuf[2];
1101     tmpbuf[0] = (char) keycode;
1102     tmpbuf[1] = '\0';
1103     wxString strbuf(tmpbuf, *wxConvCurrent);
1104
1105 #if wxUSE_INTL
1106     bool is_decimal_point = ( strbuf ==
1107        wxLocale::GetInfo(wxLOCALE_DECIMAL_POINT, wxLOCALE_CAT_NUMBER) );
1108 #else
1109     bool is_decimal_point = ( strbuf == _T(".") );
1110 #endif
1111
1112     if ( wxIsdigit(keycode) || keycode == '+' || keycode == '-'
1113          || is_decimal_point )
1114     {
1115         wxGridCellTextEditor::StartingKey(event);
1116
1117         // skip Skip() below
1118         return;
1119     }
1120
1121     event.Skip();
1122 }
1123
1124 void wxGridCellFloatEditor::SetParameters(const wxString& params)
1125 {
1126     if ( !params )
1127     {
1128         // reset to default
1129         m_width =
1130         m_precision = -1;
1131     }
1132     else
1133     {
1134         long tmp;
1135         if ( params.BeforeFirst(_T(',')).ToLong(&tmp) )
1136         {
1137             m_width = (int)tmp;
1138
1139             if ( params.AfterFirst(_T(',')).ToLong(&tmp) )
1140             {
1141                 m_precision = (int)tmp;
1142
1143                 // skip the error message below
1144                 return;
1145             }
1146         }
1147
1148         wxLogDebug(_T("Invalid wxGridCellFloatEditor parameter string '%s' ignored"), params.c_str());
1149     }
1150 }
1151
1152 wxString wxGridCellFloatEditor::GetString() const
1153 {
1154     wxString fmt;
1155     if ( m_precision == -1 && m_width != -1)
1156     {
1157         // default precision
1158         fmt.Printf(_T("%%%d.f"), m_width);
1159     }
1160     else if ( m_precision != -1 && m_width == -1)
1161     {
1162         // default width
1163         fmt.Printf(_T("%%.%df"), m_precision);
1164     }
1165     else if ( m_precision != -1 && m_width != -1 )
1166     {
1167         fmt.Printf(_T("%%%d.%df"), m_width, m_precision);
1168     }
1169     else
1170     {
1171         // default width/precision
1172         fmt = _T("%f");
1173     }
1174
1175     return wxString::Format(fmt, m_valueOld);
1176 }
1177
1178 bool wxGridCellFloatEditor::IsAcceptedKey(wxKeyEvent& event)
1179 {
1180     if ( wxGridCellEditor::IsAcceptedKey(event) )
1181     {
1182         int keycode = event.GetKeyCode();
1183         printf("%d\n", keycode);
1184         // accept digits, 'e' as in '1e+6', also '-', '+', and '.'
1185         char tmpbuf[2];
1186         tmpbuf[0] = (char) keycode;
1187         tmpbuf[1] = '\0';
1188         wxString strbuf(tmpbuf, *wxConvCurrent);
1189
1190 #if wxUSE_INTL
1191         bool is_decimal_point =
1192             ( strbuf == wxLocale::GetInfo(wxLOCALE_DECIMAL_POINT,
1193                                           wxLOCALE_CAT_NUMBER) );
1194 #else
1195         bool is_decimal_point = ( strbuf == _T(".") );
1196 #endif
1197
1198         if ( (keycode < 128) &&
1199              (wxIsdigit(keycode) || tolower(keycode) == 'e' ||
1200               is_decimal_point || keycode == '+' || keycode == '-') )
1201         {
1202             return true;
1203         }
1204     }
1205
1206     return false;
1207 }
1208
1209 #endif // wxUSE_TEXTCTRL
1210
1211 #if wxUSE_CHECKBOX
1212
1213 // ----------------------------------------------------------------------------
1214 // wxGridCellBoolEditor
1215 // ----------------------------------------------------------------------------
1216
1217 void wxGridCellBoolEditor::Create(wxWindow* parent,
1218                                   wxWindowID id,
1219                                   wxEvtHandler* evtHandler)
1220 {
1221     m_control = new wxCheckBox(parent, id, wxEmptyString,
1222                                wxDefaultPosition, wxDefaultSize,
1223                                wxNO_BORDER);
1224
1225     wxGridCellEditor::Create(parent, id, evtHandler);
1226 }
1227
1228 void wxGridCellBoolEditor::SetSize(const wxRect& r)
1229 {
1230     bool resize = false;
1231     wxSize size = m_control->GetSize();
1232     wxCoord minSize = wxMin(r.width, r.height);
1233
1234     // check if the checkbox is not too big/small for this cell
1235     wxSize sizeBest = m_control->GetBestSize();
1236     if ( !(size == sizeBest) )
1237     {
1238         // reset to default size if it had been made smaller
1239         size = sizeBest;
1240
1241         resize = true;
1242     }
1243
1244     if ( size.x >= minSize || size.y >= minSize )
1245     {
1246         // leave 1 pixel margin
1247         size.x = size.y = minSize - 2;
1248
1249         resize = true;
1250     }
1251
1252     if ( resize )
1253     {
1254         m_control->SetSize(size);
1255     }
1256
1257     // position it in the centre of the rectangle (TODO: support alignment?)
1258
1259 #if defined(__WXGTK__) || defined (__WXMOTIF__)
1260     // the checkbox without label still has some space to the right in wxGTK,
1261     // so shift it to the right
1262     size.x -= 8;
1263 #elif defined(__WXMSW__)
1264     // here too, but in other way
1265     size.x += 1;
1266     size.y -= 2;
1267 #endif
1268
1269     int hAlign = wxALIGN_CENTRE;
1270     int vAlign = wxALIGN_CENTRE;
1271     if (GetCellAttr())
1272         GetCellAttr()->GetAlignment(& hAlign, & vAlign);
1273
1274     int x = 0, y = 0;
1275     if (hAlign == wxALIGN_LEFT)
1276     {
1277         x = r.x + 2;
1278
1279 #ifdef __WXMSW__
1280         x += 2;
1281 #endif
1282
1283         y = r.y + r.height / 2 - size.y / 2;
1284     }
1285     else if (hAlign == wxALIGN_RIGHT)
1286     {
1287         x = r.x + r.width - size.x - 2;
1288         y = r.y + r.height / 2 - size.y / 2;
1289     }
1290     else if (hAlign == wxALIGN_CENTRE)
1291     {
1292         x = r.x + r.width / 2 - size.x / 2;
1293         y = r.y + r.height / 2 - size.y / 2;
1294     }
1295
1296     m_control->Move(x, y);
1297 }
1298
1299 void wxGridCellBoolEditor::Show(bool show, wxGridCellAttr *attr)
1300 {
1301     m_control->Show(show);
1302
1303     if ( show )
1304     {
1305         wxColour colBg = attr ? attr->GetBackgroundColour() : *wxLIGHT_GREY;
1306         CBox()->SetBackgroundColour(colBg);
1307     }
1308 }
1309
1310 void wxGridCellBoolEditor::BeginEdit(int row, int col, wxGrid* grid)
1311 {
1312     wxASSERT_MSG(m_control,
1313                  wxT("The wxGridCellEditor must be Created first!"));
1314
1315     if (grid->GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL))
1316     {
1317         m_startValue = grid->GetTable()->GetValueAsBool(row, col);
1318     }
1319     else
1320     {
1321         wxString cellval( grid->GetTable()->GetValue(row, col) );
1322         m_startValue = !( !cellval || (cellval == wxT("0")) );
1323     }
1324
1325     CBox()->SetValue(m_startValue);
1326     CBox()->SetFocus();
1327 }
1328
1329 bool wxGridCellBoolEditor::EndEdit(int row, int col,
1330                                    wxGrid* grid)
1331 {
1332     wxASSERT_MSG(m_control,
1333                  wxT("The wxGridCellEditor must be Created first!"));
1334
1335     bool changed = false;
1336     bool value = CBox()->GetValue();
1337     if ( value != m_startValue )
1338         changed = true;
1339
1340     if ( changed )
1341     {
1342         if (grid->GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL))
1343             grid->GetTable()->SetValueAsBool(row, col, value);
1344         else
1345             grid->GetTable()->SetValue(row, col, value ? _T("1") : wxEmptyString);
1346     }
1347
1348     return changed;
1349 }
1350
1351 void wxGridCellBoolEditor::Reset()
1352 {
1353     wxASSERT_MSG(m_control,
1354                  wxT("The wxGridCellEditor must be Created first!"));
1355
1356     CBox()->SetValue(m_startValue);
1357 }
1358
1359 void wxGridCellBoolEditor::StartingClick()
1360 {
1361     CBox()->SetValue(!CBox()->GetValue());
1362 }
1363
1364 bool wxGridCellBoolEditor::IsAcceptedKey(wxKeyEvent& event)
1365 {
1366     if ( wxGridCellEditor::IsAcceptedKey(event) )
1367     {
1368         int keycode = event.GetKeyCode();
1369         switch ( keycode )
1370         {
1371             case WXK_SPACE:
1372             case '+':
1373             case '-':
1374                 return true;
1375         }
1376     }
1377
1378     return false;
1379 }
1380
1381 void wxGridCellBoolEditor::StartingKey(wxKeyEvent& event)
1382 {
1383     int keycode = event.GetKeyCode();
1384     switch ( keycode )
1385     {
1386         case WXK_SPACE:
1387             CBox()->SetValue(!CBox()->GetValue());
1388             break;
1389
1390         case '+':
1391             CBox()->SetValue(true);
1392             break;
1393
1394         case '-':
1395             CBox()->SetValue(false);
1396             break;
1397     }
1398 }
1399
1400
1401 // return the value as "1" for true and the empty string for false
1402 wxString wxGridCellBoolEditor::GetValue() const
1403 {
1404   bool bSet = CBox()->GetValue();
1405   return bSet ? _T("1") : wxEmptyString;
1406 }
1407
1408 #endif // wxUSE_CHECKBOX
1409
1410 #if wxUSE_COMBOBOX
1411
1412 // ----------------------------------------------------------------------------
1413 // wxGridCellChoiceEditor
1414 // ----------------------------------------------------------------------------
1415
1416 wxGridCellChoiceEditor::wxGridCellChoiceEditor(const wxArrayString& choices,
1417                                                bool allowOthers)
1418     : m_choices(choices),
1419       m_allowOthers(allowOthers) { }
1420
1421 wxGridCellChoiceEditor::wxGridCellChoiceEditor(size_t count,
1422                                                const wxString choices[],
1423                                                bool allowOthers)
1424                       : m_allowOthers(allowOthers)
1425 {
1426     if ( count )
1427     {
1428         m_choices.Alloc(count);
1429         for ( size_t n = 0; n < count; n++ )
1430         {
1431             m_choices.Add(choices[n]);
1432         }
1433     }
1434 }
1435
1436 wxGridCellEditor *wxGridCellChoiceEditor::Clone() const
1437 {
1438     wxGridCellChoiceEditor *editor = new wxGridCellChoiceEditor;
1439     editor->m_allowOthers = m_allowOthers;
1440     editor->m_choices = m_choices;
1441
1442     return editor;
1443 }
1444
1445 void wxGridCellChoiceEditor::Create(wxWindow* parent,
1446                                     wxWindowID id,
1447                                     wxEvtHandler* evtHandler)
1448 {
1449     m_control = new wxComboBox(parent, id, wxEmptyString,
1450                                wxDefaultPosition, wxDefaultSize,
1451                                m_choices,
1452                                m_allowOthers ? 0 : wxCB_READONLY);
1453
1454     wxGridCellEditor::Create(parent, id, evtHandler);
1455 }
1456
1457 void wxGridCellChoiceEditor::PaintBackground(const wxRect& rectCell,
1458                                              wxGridCellAttr * attr)
1459 {
1460     // as we fill the entire client area, don't do anything here to minimize
1461     // flicker
1462
1463     // TODO: It doesn't actually fill the client area since the height of a
1464     // combo always defaults to the standard...  Until someone has time to
1465     // figure out the right rectangle to paint, just do it the normal way...
1466     wxGridCellEditor::PaintBackground(rectCell, attr);
1467 }
1468
1469 void wxGridCellChoiceEditor::BeginEdit(int row, int col, wxGrid* grid)
1470 {
1471     wxASSERT_MSG(m_control,
1472                  wxT("The wxGridCellEditor must be Created first!"));
1473
1474     wxGridCellEditorEvtHandler* evtHandler = NULL;
1475     if (m_control)
1476         evtHandler = wxDynamicCast(m_control->GetEventHandler(), wxGridCellEditorEvtHandler);
1477
1478     // Don't immediately end if we get a kill focus event within BeginEdit
1479     if (evtHandler)
1480         evtHandler->SetInSetFocus(true);
1481
1482     m_startValue = grid->GetTable()->GetValue(row, col);
1483
1484     if (m_allowOthers)
1485     {
1486         Combo()->SetValue(m_startValue);
1487     }
1488     else
1489     {
1490         // find the right position, or default to the first if not found
1491         int pos = Combo()->FindString(m_startValue);
1492         if (pos == wxNOT_FOUND)
1493             pos = 0;
1494         Combo()->SetSelection(pos);
1495     }
1496
1497     Combo()->SetInsertionPointEnd();
1498     Combo()->SetFocus();
1499
1500     if (evtHandler)
1501     {
1502         // When dropping down the menu, a kill focus event
1503         // happens after this point, so we can't reset the flag yet.
1504 #if !defined(__WXGTK20__)
1505         evtHandler->SetInSetFocus(false);
1506 #endif
1507     }
1508 }
1509
1510 bool wxGridCellChoiceEditor::EndEdit(int row, int col,
1511                                      wxGrid* grid)
1512 {
1513     wxString value = Combo()->GetValue();
1514     if ( value == m_startValue )
1515         return false;
1516
1517     grid->GetTable()->SetValue(row, col, value);
1518
1519     return true;
1520 }
1521
1522 void wxGridCellChoiceEditor::Reset()
1523 {
1524     Combo()->SetValue(m_startValue);
1525     Combo()->SetInsertionPointEnd();
1526 }
1527
1528 void wxGridCellChoiceEditor::SetParameters(const wxString& params)
1529 {
1530     if ( !params )
1531     {
1532         // what can we do?
1533         return;
1534     }
1535
1536     m_choices.Empty();
1537
1538     wxStringTokenizer tk(params, _T(','));
1539     while ( tk.HasMoreTokens() )
1540     {
1541         m_choices.Add(tk.GetNextToken());
1542     }
1543 }
1544
1545 // return the value in the text control
1546 wxString wxGridCellChoiceEditor::GetValue() const
1547 {
1548   return Combo()->GetValue();
1549 }
1550
1551 #endif // wxUSE_COMBOBOX
1552
1553 // ----------------------------------------------------------------------------
1554 // wxGridCellEditorEvtHandler
1555 // ----------------------------------------------------------------------------
1556
1557 void wxGridCellEditorEvtHandler::OnKillFocus(wxFocusEvent& event)
1558 {
1559     // Don't disable the cell if we're just starting to edit it
1560     if (m_inSetFocus)
1561         return;
1562
1563     // accept changes
1564     m_grid->DisableCellEditControl();
1565
1566     event.Skip();
1567 }
1568
1569 void wxGridCellEditorEvtHandler::OnKeyDown(wxKeyEvent& event)
1570 {
1571     switch ( event.GetKeyCode() )
1572     {
1573         case WXK_ESCAPE:
1574             m_editor->Reset();
1575             m_grid->DisableCellEditControl();
1576             break;
1577
1578         case WXK_TAB:
1579             m_grid->GetEventHandler()->ProcessEvent( event );
1580             break;
1581
1582         case WXK_RETURN:
1583         case WXK_NUMPAD_ENTER:
1584             if (!m_grid->GetEventHandler()->ProcessEvent(event))
1585                 m_editor->HandleReturn(event);
1586             break;
1587
1588         default:
1589             event.Skip();
1590             break;
1591     }
1592 }
1593
1594 void wxGridCellEditorEvtHandler::OnChar(wxKeyEvent& event)
1595 {
1596     int row = m_grid->GetGridCursorRow();
1597     int col = m_grid->GetGridCursorCol();
1598     wxRect rect = m_grid->CellToRect( row, col );
1599     int cw, ch;
1600     m_grid->GetGridWindow()->GetClientSize( &cw, &ch );
1601
1602     // if cell width is smaller than grid client area, cell is wholly visible
1603     bool wholeCellVisible = (rect.GetWidth() < cw);
1604
1605     switch ( event.GetKeyCode() )
1606     {
1607         case WXK_ESCAPE:
1608         case WXK_TAB:
1609         case WXK_RETURN:
1610         case WXK_NUMPAD_ENTER:
1611             break;
1612
1613         case WXK_HOME:
1614         {
1615             if ( wholeCellVisible )
1616             {
1617                 // no special processing needed...
1618                 event.Skip();
1619                 break;
1620             }
1621
1622             // do special processing for partly visible cell...
1623
1624             // get the widths of all cells previous to this one
1625             int colXPos = 0;
1626             for ( int i = 0; i < col; i++ )
1627             {
1628                 colXPos += m_grid->GetColSize(i);
1629             }
1630
1631             int xUnit = 1, yUnit = 1;
1632             m_grid->GetScrollPixelsPerUnit(&xUnit, &yUnit);
1633             if (col != 0)
1634             {
1635                 m_grid->Scroll(colXPos / xUnit - 1, m_grid->GetScrollPos(wxVERTICAL));
1636             }
1637             else
1638             {
1639                 m_grid->Scroll(colXPos / xUnit, m_grid->GetScrollPos(wxVERTICAL));
1640             }
1641             event.Skip();
1642             break;
1643         }
1644         case WXK_END:
1645         {
1646             if ( wholeCellVisible )
1647             {
1648                 // no special processing needed...
1649                 event.Skip();
1650                 break;
1651             }
1652
1653             // do special processing for partly visible cell...
1654
1655             int textWidth = 0;
1656             wxString value = m_grid->GetCellValue(row, col);
1657             if ( wxEmptyString != value )
1658             {
1659                 // get width of cell CONTENTS (text)
1660                 int y;
1661                 wxFont font = m_grid->GetCellFont(row, col);
1662                 m_grid->GetTextExtent(value, &textWidth, &y, NULL, NULL, &font);
1663
1664                 // try to RIGHT align the text by scrolling
1665                 int client_right = m_grid->GetGridWindow()->GetClientSize().GetWidth();
1666
1667                 // (m_grid->GetScrollLineX()*2) is a factor for not scrolling to far,
1668                 // otherwise the last part of the cell content might be hidden below the scroll bar
1669                 // FIXME: maybe there is a more suitable correction?
1670                 textWidth -= (client_right - (m_grid->GetScrollLineX() * 2));
1671                 if ( textWidth < 0 )
1672                 {
1673                     textWidth = 0;
1674                 }
1675             }
1676
1677             // get the widths of all cells previous to this one
1678             int colXPos = 0;
1679             for ( int i = 0; i < col; i++ )
1680             {
1681                 colXPos += m_grid->GetColSize(i);
1682             }
1683
1684             // and add the (modified) text width of the cell contents
1685             // as we'd like to see the last part of the cell contents
1686             colXPos += textWidth;
1687
1688             int xUnit = 1, yUnit = 1;
1689             m_grid->GetScrollPixelsPerUnit(&xUnit, &yUnit);
1690             m_grid->Scroll(colXPos/xUnit-1, m_grid->GetScrollPos(wxVERTICAL));
1691             event.Skip();
1692             break;
1693         }
1694
1695         default:
1696             event.Skip();
1697     }
1698 }
1699
1700 // ----------------------------------------------------------------------------
1701 // wxGridCellWorker is an (almost) empty common base class for
1702 // wxGridCellRenderer and wxGridCellEditor managing ref counting
1703 // ----------------------------------------------------------------------------
1704
1705 void wxGridCellWorker::SetParameters(const wxString& WXUNUSED(params))
1706 {
1707     // nothing to do
1708 }
1709
1710 wxGridCellWorker::~wxGridCellWorker()
1711 {
1712 }
1713
1714 // ============================================================================
1715 // renderer classes
1716 // ============================================================================
1717
1718 // ----------------------------------------------------------------------------
1719 // wxGridCellRenderer
1720 // ----------------------------------------------------------------------------
1721
1722 void wxGridCellRenderer::Draw(wxGrid& grid,
1723                               wxGridCellAttr& attr,
1724                               wxDC& dc,
1725                               const wxRect& rect,
1726                               int WXUNUSED(row), int WXUNUSED(col),
1727                               bool isSelected)
1728 {
1729     dc.SetBackgroundMode( wxSOLID );
1730
1731     // grey out fields if the grid is disabled
1732     if ( grid.IsEnabled() )
1733     {
1734         if ( isSelected )
1735         {
1736             dc.SetBrush( wxBrush(grid.GetSelectionBackground(), wxSOLID) );
1737         }
1738         else
1739         {
1740             dc.SetBrush( wxBrush(attr.GetBackgroundColour(), wxSOLID) );
1741         }
1742     }
1743     else
1744     {
1745         dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE), wxSOLID));
1746     }
1747
1748     dc.SetPen( *wxTRANSPARENT_PEN );
1749     dc.DrawRectangle(rect);
1750 }
1751
1752 // ----------------------------------------------------------------------------
1753 // wxGridCellStringRenderer
1754 // ----------------------------------------------------------------------------
1755
1756 void wxGridCellStringRenderer::SetTextColoursAndFont(const wxGrid& grid,
1757                                                      const wxGridCellAttr& attr,
1758                                                      wxDC& dc,
1759                                                      bool isSelected)
1760 {
1761     dc.SetBackgroundMode( wxTRANSPARENT );
1762
1763     // TODO some special colours for attr.IsReadOnly() case?
1764
1765     // different coloured text when the grid is disabled
1766     if ( grid.IsEnabled() )
1767     {
1768       if ( isSelected )
1769       {
1770           dc.SetTextBackground( grid.GetSelectionBackground() );
1771           dc.SetTextForeground( grid.GetSelectionForeground() );
1772       }
1773       else
1774       {
1775           dc.SetTextBackground( attr.GetBackgroundColour() );
1776           dc.SetTextForeground( attr.GetTextColour() );
1777       }
1778     }
1779     else
1780     {
1781       dc.SetTextBackground(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE));
1782       dc.SetTextForeground(wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT));
1783     }
1784
1785     dc.SetFont( attr.GetFont() );
1786 }
1787
1788 wxSize wxGridCellStringRenderer::DoGetBestSize(const wxGridCellAttr& attr,
1789                                                wxDC& dc,
1790                                                const wxString& text)
1791 {
1792     wxCoord x = 0, y = 0, max_x = 0;
1793     dc.SetFont(attr.GetFont());
1794     wxStringTokenizer tk(text, _T('\n'));
1795     while ( tk.HasMoreTokens() )
1796     {
1797         dc.GetTextExtent(tk.GetNextToken(), &x, &y);
1798         max_x = wxMax(max_x, x);
1799     }
1800
1801     y *= 1 + text.Freq(wxT('\n')); // multiply by the number of lines.
1802
1803     return wxSize(max_x, y);
1804 }
1805
1806 wxSize wxGridCellStringRenderer::GetBestSize(wxGrid& grid,
1807                                              wxGridCellAttr& attr,
1808                                              wxDC& dc,
1809                                              int row, int col)
1810 {
1811     return DoGetBestSize(attr, dc, grid.GetCellValue(row, col));
1812 }
1813
1814 void wxGridCellStringRenderer::Draw(wxGrid& grid,
1815                                     wxGridCellAttr& attr,
1816                                     wxDC& dc,
1817                                     const wxRect& rectCell,
1818                                     int row, int col,
1819                                     bool isSelected)
1820 {
1821     wxRect rect = rectCell;
1822     rect.Inflate(-1);
1823
1824     // erase only this cells background, overflow cells should have been erased
1825     wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
1826
1827     int hAlign, vAlign;
1828     attr.GetAlignment(&hAlign, &vAlign);
1829
1830     int overflowCols = 0;
1831
1832     if (attr.GetOverflow())
1833     {
1834         int cols = grid.GetNumberCols();
1835         int best_width = GetBestSize(grid,attr,dc,row,col).GetWidth();
1836         int cell_rows, cell_cols;
1837         attr.GetSize( &cell_rows, &cell_cols ); // shouldn't get here if <= 0
1838         if ((best_width > rectCell.width) && (col < cols) && grid.GetTable())
1839         {
1840             int i, c_cols, c_rows;
1841             for (i = col+cell_cols; i < cols; i++)
1842             {
1843                 bool is_empty = true;
1844                 for (int j=row; j < row + cell_rows; j++)
1845                 {
1846                     // check w/ anchor cell for multicell block
1847                     grid.GetCellSize(j, i, &c_rows, &c_cols);
1848                     if (c_rows > 0)
1849                         c_rows = 0;
1850                     if (!grid.GetTable()->IsEmptyCell(j + c_rows, i))
1851                     {
1852                         is_empty = false;
1853                         break;
1854                     }
1855                 }
1856
1857                 if (is_empty)
1858                     rect.width += grid.GetColSize(i);
1859                 else
1860                 {
1861                     i--;
1862                     break;
1863                 }
1864
1865                 if (rect.width >= best_width)
1866                     break;
1867             }
1868
1869             overflowCols = i - col - cell_cols + 1;
1870             if (overflowCols >= cols)
1871                 overflowCols = cols - 1;
1872         }
1873
1874         if (overflowCols > 0) // redraw overflow cells w/ proper hilight
1875         {
1876             hAlign = wxALIGN_LEFT; // if oveflowed then it's left aligned
1877             wxRect clip = rect;
1878             clip.x += rectCell.width;
1879             // draw each overflow cell individually
1880             int col_end = col+cell_cols + overflowCols;
1881             if (col_end >= grid.GetNumberCols())
1882                 col_end = grid.GetNumberCols() - 1;
1883             for (int i = col+cell_cols; i <= col_end; i++)
1884             {
1885                 clip.width = grid.GetColSize(i) - 1;
1886                 dc.DestroyClippingRegion();
1887                 dc.SetClippingRegion(clip);
1888
1889                 SetTextColoursAndFont(grid, attr, dc,
1890                         grid.IsInSelection(row,i));
1891
1892                 grid.DrawTextRectangle(dc, grid.GetCellValue(row, col),
1893                         rect, hAlign, vAlign);
1894                 clip.x += grid.GetColSize(i) - 1;
1895             }
1896
1897             rect = rectCell;
1898             rect.Inflate(-1);
1899             rect.width++;
1900             dc.DestroyClippingRegion();
1901         }
1902     }
1903
1904     // now we only have to draw the text
1905     SetTextColoursAndFont(grid, attr, dc, isSelected);
1906
1907     grid.DrawTextRectangle(dc, grid.GetCellValue(row, col),
1908                            rect, hAlign, vAlign);
1909 }
1910
1911 // ----------------------------------------------------------------------------
1912 // wxGridCellNumberRenderer
1913 // ----------------------------------------------------------------------------
1914
1915 wxString wxGridCellNumberRenderer::GetString(const wxGrid& grid, int row, int col)
1916 {
1917     wxGridTableBase *table = grid.GetTable();
1918     wxString text;
1919     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_NUMBER) )
1920     {
1921         text.Printf(_T("%ld"), table->GetValueAsLong(row, col));
1922     }
1923     else
1924     {
1925         text = table->GetValue(row, col);
1926     }
1927
1928     return text;
1929 }
1930
1931 void wxGridCellNumberRenderer::Draw(wxGrid& grid,
1932                                     wxGridCellAttr& attr,
1933                                     wxDC& dc,
1934                                     const wxRect& rectCell,
1935                                     int row, int col,
1936                                     bool isSelected)
1937 {
1938     wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
1939
1940     SetTextColoursAndFont(grid, attr, dc, isSelected);
1941
1942     // draw the text right aligned by default
1943     int hAlign, vAlign;
1944     attr.GetAlignment(&hAlign, &vAlign);
1945     hAlign = wxALIGN_RIGHT;
1946
1947     wxRect rect = rectCell;
1948     rect.Inflate(-1);
1949
1950     grid.DrawTextRectangle(dc, GetString(grid, row, col), rect, hAlign, vAlign);
1951 }
1952
1953 wxSize wxGridCellNumberRenderer::GetBestSize(wxGrid& grid,
1954                                              wxGridCellAttr& attr,
1955                                              wxDC& dc,
1956                                              int row, int col)
1957 {
1958     return DoGetBestSize(attr, dc, GetString(grid, row, col));
1959 }
1960
1961 // ----------------------------------------------------------------------------
1962 // wxGridCellFloatRenderer
1963 // ----------------------------------------------------------------------------
1964
1965 wxGridCellFloatRenderer::wxGridCellFloatRenderer(int width, int precision)
1966 {
1967     SetWidth(width);
1968     SetPrecision(precision);
1969 }
1970
1971 wxGridCellRenderer *wxGridCellFloatRenderer::Clone() const
1972 {
1973     wxGridCellFloatRenderer *renderer = new wxGridCellFloatRenderer;
1974     renderer->m_width = m_width;
1975     renderer->m_precision = m_precision;
1976     renderer->m_format = m_format;
1977
1978     return renderer;
1979 }
1980
1981 wxString wxGridCellFloatRenderer::GetString(const wxGrid& grid, int row, int col)
1982 {
1983     wxGridTableBase *table = grid.GetTable();
1984
1985     bool hasDouble;
1986     double val;
1987     wxString text;
1988     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_FLOAT) )
1989     {
1990         val = table->GetValueAsDouble(row, col);
1991         hasDouble = true;
1992     }
1993     else
1994     {
1995         text = table->GetValue(row, col);
1996         hasDouble = text.ToDouble(&val);
1997     }
1998
1999     if ( hasDouble )
2000     {
2001         if ( !m_format )
2002         {
2003             if ( m_width == -1 )
2004             {
2005                 if ( m_precision == -1 )
2006                 {
2007                     // default width/precision
2008                     m_format = _T("%f");
2009                 }
2010                 else
2011                 {
2012                     m_format.Printf(_T("%%.%df"), m_precision);
2013                 }
2014             }
2015             else if ( m_precision == -1 )
2016             {
2017                 // default precision
2018                 m_format.Printf(_T("%%%d.f"), m_width);
2019             }
2020             else
2021             {
2022                 m_format.Printf(_T("%%%d.%df"), m_width, m_precision);
2023             }
2024         }
2025
2026         text.Printf(m_format, val);
2027
2028     }
2029     //else: text already contains the string
2030
2031     return text;
2032 }
2033
2034 void wxGridCellFloatRenderer::Draw(wxGrid& grid,
2035                                    wxGridCellAttr& attr,
2036                                    wxDC& dc,
2037                                    const wxRect& rectCell,
2038                                    int row, int col,
2039                                    bool isSelected)
2040 {
2041     wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
2042
2043     SetTextColoursAndFont(grid, attr, dc, isSelected);
2044
2045     // draw the text right aligned by default
2046     int hAlign, vAlign;
2047     attr.GetAlignment(&hAlign, &vAlign);
2048     hAlign = wxALIGN_RIGHT;
2049
2050     wxRect rect = rectCell;
2051     rect.Inflate(-1);
2052
2053     grid.DrawTextRectangle(dc, GetString(grid, row, col), rect, hAlign, vAlign);
2054 }
2055
2056 wxSize wxGridCellFloatRenderer::GetBestSize(wxGrid& grid,
2057                                             wxGridCellAttr& attr,
2058                                             wxDC& dc,
2059                                             int row, int col)
2060 {
2061     return DoGetBestSize(attr, dc, GetString(grid, row, col));
2062 }
2063
2064 void wxGridCellFloatRenderer::SetParameters(const wxString& params)
2065 {
2066     if ( !params )
2067     {
2068         // reset to defaults
2069         SetWidth(-1);
2070         SetPrecision(-1);
2071     }
2072     else
2073     {
2074         wxString tmp = params.BeforeFirst(_T(','));
2075         if ( !tmp.empty() )
2076         {
2077             long width;
2078             if ( tmp.ToLong(&width) )
2079             {
2080                 SetWidth((int)width);
2081             }
2082             else
2083             {
2084                 wxLogDebug(_T("Invalid wxGridCellFloatRenderer width parameter string '%s ignored"), params.c_str());
2085             }
2086         }
2087
2088         tmp = params.AfterFirst(_T(','));
2089         if ( !tmp.empty() )
2090         {
2091             long precision;
2092             if ( tmp.ToLong(&precision) )
2093             {
2094                 SetPrecision((int)precision);
2095             }
2096             else
2097             {
2098                 wxLogDebug(_T("Invalid wxGridCellFloatRenderer precision parameter string '%s ignored"), params.c_str());
2099             }
2100         }
2101     }
2102 }
2103
2104 // ----------------------------------------------------------------------------
2105 // wxGridCellBoolRenderer
2106 // ----------------------------------------------------------------------------
2107
2108 wxSize wxGridCellBoolRenderer::ms_sizeCheckMark;
2109
2110 // FIXME these checkbox size calculations are really ugly...
2111
2112 // between checkmark and box
2113 static const wxCoord wxGRID_CHECKMARK_MARGIN = 2;
2114
2115 wxSize wxGridCellBoolRenderer::GetBestSize(wxGrid& grid,
2116                                            wxGridCellAttr& WXUNUSED(attr),
2117                                            wxDC& WXUNUSED(dc),
2118                                            int WXUNUSED(row),
2119                                            int WXUNUSED(col))
2120 {
2121     // compute it only once (no locks for MT safeness in GUI thread...)
2122     if ( !ms_sizeCheckMark.x )
2123     {
2124         // get checkbox size
2125         wxCheckBox *checkbox = new wxCheckBox(&grid, wxID_ANY, wxEmptyString);
2126         wxSize size = checkbox->GetBestSize();
2127         wxCoord checkSize = size.y + 2 * wxGRID_CHECKMARK_MARGIN;
2128
2129         // FIXME wxGTK::wxCheckBox::GetBestSize() gives "wrong" result
2130 #if defined(__WXGTK__) || defined(__WXMOTIF__)
2131         checkSize -= size.y / 2;
2132 #endif
2133
2134         delete checkbox;
2135
2136         ms_sizeCheckMark.x = ms_sizeCheckMark.y = checkSize;
2137     }
2138
2139     return ms_sizeCheckMark;
2140 }
2141
2142 void wxGridCellBoolRenderer::Draw(wxGrid& grid,
2143                                   wxGridCellAttr& attr,
2144                                   wxDC& dc,
2145                                   const wxRect& rect,
2146                                   int row, int col,
2147                                   bool isSelected)
2148 {
2149     wxGridCellRenderer::Draw(grid, attr, dc, rect, row, col, isSelected);
2150
2151     // draw a check mark in the centre (ignoring alignment - TODO)
2152     wxSize size = GetBestSize(grid, attr, dc, row, col);
2153
2154     // don't draw outside the cell
2155     wxCoord minSize = wxMin(rect.width, rect.height);
2156     if ( size.x >= minSize || size.y >= minSize )
2157     {
2158         // and even leave (at least) 1 pixel margin
2159         size.x = size.y = minSize - 2;
2160     }
2161
2162     // draw a border around checkmark
2163     int vAlign, hAlign;
2164     attr.GetAlignment(& hAlign, &vAlign);
2165
2166     wxRect rectBorder;
2167     if (hAlign == wxALIGN_CENTRE)
2168     {
2169         rectBorder.x = rect.x + rect.width / 2 - size.x / 2;
2170         rectBorder.y = rect.y + rect.height / 2 - size.y / 2;
2171         rectBorder.width = size.x;
2172         rectBorder.height = size.y;
2173     }
2174     else if (hAlign == wxALIGN_LEFT)
2175     {
2176         rectBorder.x = rect.x + 2;
2177         rectBorder.y = rect.y + rect.height / 2 - size.y / 2;
2178         rectBorder.width = size.x;
2179         rectBorder.height = size.y;
2180     }
2181     else if (hAlign == wxALIGN_RIGHT)
2182     {
2183         rectBorder.x = rect.x + rect.width - size.x - 2;
2184         rectBorder.y = rect.y + rect.height / 2 - size.y / 2;
2185         rectBorder.width = size.x;
2186         rectBorder.height = size.y;
2187     }
2188
2189     bool value;
2190     if ( grid.GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL) )
2191         value = grid.GetTable()->GetValueAsBool(row, col);
2192     else
2193     {
2194         wxString cellval( grid.GetTable()->GetValue(row, col) );
2195         value = !( !cellval || (cellval == wxT("0")) );
2196     }
2197
2198     if ( value )
2199     {
2200         wxRect rectMark = rectBorder;
2201
2202 #ifdef __WXMSW__
2203         // MSW DrawCheckMark() is weird (and should probably be changed...)
2204         rectMark.Inflate(-wxGRID_CHECKMARK_MARGIN / 2);
2205         rectMark.x++;
2206         rectMark.y++;
2207 #else
2208         rectMark.Inflate(-wxGRID_CHECKMARK_MARGIN);
2209 #endif
2210
2211         dc.SetTextForeground(attr.GetTextColour());
2212         dc.DrawCheckMark(rectMark);
2213     }
2214
2215     dc.SetBrush(*wxTRANSPARENT_BRUSH);
2216     dc.SetPen(wxPen(attr.GetTextColour(), 1, wxSOLID));
2217     dc.DrawRectangle(rectBorder);
2218 }
2219
2220 // ----------------------------------------------------------------------------
2221 // wxGridCellAttr
2222 // ----------------------------------------------------------------------------
2223
2224 void wxGridCellAttr::Init(wxGridCellAttr *attrDefault)
2225 {
2226     m_nRef = 1;
2227
2228     m_isReadOnly = Unset;
2229
2230     m_renderer = NULL;
2231     m_editor = NULL;
2232
2233     m_attrkind = wxGridCellAttr::Cell;
2234
2235     m_sizeRows = m_sizeCols = 1;
2236     m_overflow = UnsetOverflow;
2237
2238     SetDefAttr(attrDefault);
2239 }
2240
2241 wxGridCellAttr *wxGridCellAttr::Clone() const
2242 {
2243     wxGridCellAttr *attr = new wxGridCellAttr(m_defGridAttr);
2244
2245     if ( HasTextColour() )
2246         attr->SetTextColour(GetTextColour());
2247     if ( HasBackgroundColour() )
2248         attr->SetBackgroundColour(GetBackgroundColour());
2249     if ( HasFont() )
2250         attr->SetFont(GetFont());
2251     if ( HasAlignment() )
2252         attr->SetAlignment(m_hAlign, m_vAlign);
2253
2254     attr->SetSize( m_sizeRows, m_sizeCols );
2255
2256     if ( m_renderer )
2257     {
2258         attr->SetRenderer(m_renderer);
2259         m_renderer->IncRef();
2260     }
2261     if ( m_editor )
2262     {
2263         attr->SetEditor(m_editor);
2264         m_editor->IncRef();
2265     }
2266
2267     if ( IsReadOnly() )
2268         attr->SetReadOnly();
2269
2270     attr->SetKind( m_attrkind );
2271
2272     return attr;
2273 }
2274
2275 void wxGridCellAttr::MergeWith(wxGridCellAttr *mergefrom)
2276 {
2277     if ( !HasTextColour() && mergefrom->HasTextColour() )
2278         SetTextColour(mergefrom->GetTextColour());
2279     if ( !HasBackgroundColour() && mergefrom->HasBackgroundColour() )
2280         SetBackgroundColour(mergefrom->GetBackgroundColour());
2281     if ( !HasFont() && mergefrom->HasFont() )
2282         SetFont(mergefrom->GetFont());
2283     if ( !HasAlignment() && mergefrom->HasAlignment() )
2284     {
2285         int hAlign, vAlign;
2286         mergefrom->GetAlignment( &hAlign, &vAlign);
2287         SetAlignment(hAlign, vAlign);
2288     }
2289     if ( !HasSize() && mergefrom->HasSize() )
2290         mergefrom->GetSize( &m_sizeRows, &m_sizeCols );
2291
2292     // Directly access member functions as GetRender/Editor don't just return
2293     // m_renderer/m_editor
2294     //
2295     // Maybe add support for merge of Render and Editor?
2296     if (!HasRenderer() && mergefrom->HasRenderer() )
2297     {
2298         m_renderer = mergefrom->m_renderer;
2299         m_renderer->IncRef();
2300     }
2301     if ( !HasEditor() && mergefrom->HasEditor() )
2302     {
2303         m_editor =  mergefrom->m_editor;
2304         m_editor->IncRef();
2305     }
2306     if ( !HasReadWriteMode() && mergefrom->HasReadWriteMode() )
2307         SetReadOnly(mergefrom->IsReadOnly());
2308
2309     if (!HasOverflowMode() && mergefrom->HasOverflowMode() )
2310         SetOverflow(mergefrom->GetOverflow());
2311
2312     SetDefAttr(mergefrom->m_defGridAttr);
2313 }
2314
2315 void wxGridCellAttr::SetSize(int num_rows, int num_cols)
2316 {
2317     // The size of a cell is normally 1,1
2318
2319     // If this cell is larger (2,2) then this is the top left cell
2320     // the other cells that will be covered (lower right cells) must be
2321     // set to negative or zero values such that
2322     // row + num_rows of the covered cell points to the larger cell (this cell)
2323     // same goes for the col + num_cols.
2324
2325     // Size of 0,0 is NOT valid, neither is <=0 and any positive value
2326
2327     wxASSERT_MSG( (!((num_rows > 0) && (num_cols <= 0)) ||
2328                   !((num_rows <= 0) && (num_cols > 0)) ||
2329                   !((num_rows == 0) && (num_cols == 0))),
2330                   wxT("wxGridCellAttr::SetSize only takes two postive values or negative/zero values"));
2331
2332     m_sizeRows = num_rows;
2333     m_sizeCols = num_cols;
2334 }
2335
2336 const wxColour& wxGridCellAttr::GetTextColour() const
2337 {
2338     if (HasTextColour())
2339     {
2340         return m_colText;
2341     }
2342     else if (m_defGridAttr && m_defGridAttr != this)
2343     {
2344         return m_defGridAttr->GetTextColour();
2345     }
2346     else
2347     {
2348         wxFAIL_MSG(wxT("Missing default cell attribute"));
2349         return wxNullColour;
2350     }
2351 }
2352
2353 const wxColour& wxGridCellAttr::GetBackgroundColour() const
2354 {
2355     if (HasBackgroundColour())
2356     {
2357         return m_colBack;
2358     }
2359     else if (m_defGridAttr && m_defGridAttr != this)
2360     {
2361         return m_defGridAttr->GetBackgroundColour();
2362     }
2363     else
2364     {
2365         wxFAIL_MSG(wxT("Missing default cell attribute"));
2366         return wxNullColour;
2367     }
2368 }
2369
2370 const wxFont& wxGridCellAttr::GetFont() const
2371 {
2372     if (HasFont())
2373     {
2374         return m_font;
2375     }
2376     else if (m_defGridAttr && m_defGridAttr != this)
2377     {
2378         return m_defGridAttr->GetFont();
2379     }
2380     else
2381     {
2382         wxFAIL_MSG(wxT("Missing default cell attribute"));
2383         return wxNullFont;
2384     }
2385 }
2386
2387 void wxGridCellAttr::GetAlignment(int *hAlign, int *vAlign) const
2388 {
2389     if (HasAlignment())
2390     {
2391         if ( hAlign )
2392             *hAlign = m_hAlign;
2393         if ( vAlign )
2394             *vAlign = m_vAlign;
2395     }
2396     else if (m_defGridAttr && m_defGridAttr != this)
2397         m_defGridAttr->GetAlignment(hAlign, vAlign);
2398     else
2399     {
2400         wxFAIL_MSG(wxT("Missing default cell attribute"));
2401     }
2402 }
2403
2404 void wxGridCellAttr::GetSize( int *num_rows, int *num_cols ) const
2405 {
2406     if ( num_rows )
2407         *num_rows = m_sizeRows;
2408     if ( num_cols )
2409         *num_cols = m_sizeCols;
2410 }
2411
2412 // GetRenderer and GetEditor use a slightly different decision path about
2413 // which attribute to use.  If a non-default attr object has one then it is
2414 // used, otherwise the default editor or renderer is fetched from the grid and
2415 // used.  It should be the default for the data type of the cell.  If it is
2416 // NULL (because the table has a type that the grid does not have in its
2417 // registry,) then the grid's default editor or renderer is used.
2418
2419 wxGridCellRenderer* wxGridCellAttr::GetRenderer(wxGrid* grid, int row, int col) const
2420 {
2421     wxGridCellRenderer *renderer;
2422
2423     if ( m_renderer && this != m_defGridAttr )
2424     {
2425         // use the cells renderer if it has one
2426         renderer = m_renderer;
2427         renderer->IncRef();
2428     }
2429     else // no non-default cell renderer
2430     {
2431         // get default renderer for the data type
2432         if ( grid )
2433         {
2434             // GetDefaultRendererForCell() will do IncRef() for us
2435             renderer = grid->GetDefaultRendererForCell(row, col);
2436         }
2437         else
2438         {
2439             renderer = NULL;
2440         }
2441
2442         if ( !renderer )
2443         {
2444             if (m_defGridAttr &&  this != m_defGridAttr )
2445             {
2446                 // if we still don't have one then use the grid default
2447                 // (no need for IncRef() here neither)
2448                 renderer = m_defGridAttr->GetRenderer(NULL, 0, 0);
2449             }
2450             else // default grid attr
2451             {
2452                 // use m_renderer which we had decided not to use initially
2453                 renderer = m_renderer;
2454                 if ( renderer )
2455                     renderer->IncRef();
2456             }
2457         }
2458     }
2459
2460     // we're supposed to always find something
2461     wxASSERT_MSG(renderer, wxT("Missing default cell renderer"));
2462
2463     return renderer;
2464 }
2465
2466 // same as above, except for s/renderer/editor/g
2467 wxGridCellEditor* wxGridCellAttr::GetEditor(wxGrid* grid, int row, int col) const
2468 {
2469     wxGridCellEditor *editor;
2470
2471     if ( m_editor && this != m_defGridAttr )
2472     {
2473         // use the cells editor if it has one
2474         editor = m_editor;
2475         editor->IncRef();
2476     }
2477     else // no non default cell editor
2478     {
2479         // get default editor for the data type
2480         if ( grid )
2481         {
2482             // GetDefaultEditorForCell() will do IncRef() for us
2483             editor = grid->GetDefaultEditorForCell(row, col);
2484         }
2485         else
2486         {
2487             editor = NULL;
2488         }
2489
2490         if ( !editor )
2491         {
2492             if ( m_defGridAttr && this != m_defGridAttr )
2493             {
2494                 // if we still don't have one then use the grid default
2495                 // (no need for IncRef() here neither)
2496                 editor = m_defGridAttr->GetEditor(NULL, 0, 0);
2497             }
2498             else // default grid attr
2499             {
2500                 // use m_editor which we had decided not to use initially
2501                 editor = m_editor;
2502                 if ( editor )
2503                     editor->IncRef();
2504             }
2505         }
2506     }
2507
2508     // we're supposed to always find something
2509     wxASSERT_MSG(editor, wxT("Missing default cell editor"));
2510
2511     return editor;
2512 }
2513
2514 // ----------------------------------------------------------------------------
2515 // wxGridCellAttrData
2516 // ----------------------------------------------------------------------------
2517
2518 void wxGridCellAttrData::SetAttr(wxGridCellAttr *attr, int row, int col)
2519 {
2520     int n = FindIndex(row, col);
2521     if ( n == wxNOT_FOUND )
2522     {
2523         // add the attribute
2524         m_attrs.Add(new wxGridCellWithAttr(row, col, attr));
2525     }
2526     else
2527     {
2528         // free the old attribute
2529         m_attrs[(size_t)n].attr->DecRef();
2530
2531         if ( attr )
2532         {
2533             // change the attribute
2534             m_attrs[(size_t)n].attr = attr;
2535         }
2536         else
2537         {
2538             // remove this attribute
2539             m_attrs.RemoveAt((size_t)n);
2540         }
2541     }
2542 }
2543
2544 wxGridCellAttr *wxGridCellAttrData::GetAttr(int row, int col) const
2545 {
2546     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
2547
2548     int n = FindIndex(row, col);
2549     if ( n != wxNOT_FOUND )
2550     {
2551         attr = m_attrs[(size_t)n].attr;
2552         attr->IncRef();
2553     }
2554
2555     return attr;
2556 }
2557
2558 void wxGridCellAttrData::UpdateAttrRows( size_t pos, int numRows )
2559 {
2560     size_t count = m_attrs.GetCount();
2561     for ( size_t n = 0; n < count; n++ )
2562     {
2563         wxGridCellCoords& coords = m_attrs[n].coords;
2564         wxCoord row = coords.GetRow();
2565         if ((size_t)row >= pos)
2566         {
2567             if (numRows > 0)
2568             {
2569                 // If rows inserted, include row counter where necessary
2570                 coords.SetRow(row + numRows);
2571             }
2572             else if (numRows < 0)
2573             {
2574                 // If rows deleted ...
2575                 if ((size_t)row >= pos - numRows)
2576                 {
2577                     // ...either decrement row counter (if row still exists)...
2578                     coords.SetRow(row + numRows);
2579                 }
2580                 else
2581                 {
2582                     // ...or remove the attribute
2583                     // No need to DecRef the attribute itself since this is
2584                     // done be wxGridCellWithAttr's destructor!
2585                     m_attrs.RemoveAt(n);
2586                     n--;
2587                     count--;
2588                 }
2589             }
2590         }
2591     }
2592 }
2593
2594 void wxGridCellAttrData::UpdateAttrCols( size_t pos, int numCols )
2595 {
2596     size_t count = m_attrs.GetCount();
2597     for ( size_t n = 0; n < count; n++ )
2598     {
2599         wxGridCellCoords& coords = m_attrs[n].coords;
2600         wxCoord col = coords.GetCol();
2601         if ( (size_t)col >= pos )
2602         {
2603             if ( numCols > 0 )
2604             {
2605                 // If rows inserted, include row counter where necessary
2606                 coords.SetCol(col + numCols);
2607             }
2608             else if (numCols < 0)
2609             {
2610                 // If rows deleted ...
2611                 if ((size_t)col >= pos - numCols)
2612                 {
2613                     // ...either decrement row counter (if row still exists)...
2614                     coords.SetCol(col + numCols);
2615                 }
2616                 else
2617                 {
2618                     // ...or remove the attribute
2619                     // No need to DecRef the attribute itself since this is
2620                     // done be wxGridCellWithAttr's destructor!
2621                     m_attrs.RemoveAt(n);
2622                     n--;
2623                     count--;
2624                 }
2625             }
2626         }
2627     }
2628 }
2629
2630 int wxGridCellAttrData::FindIndex(int row, int col) const
2631 {
2632     size_t count = m_attrs.GetCount();
2633     for ( size_t n = 0; n < count; n++ )
2634     {
2635         const wxGridCellCoords& coords = m_attrs[n].coords;
2636         if ( (coords.GetRow() == row) && (coords.GetCol() == col) )
2637         {
2638             return n;
2639         }
2640     }
2641
2642     return wxNOT_FOUND;
2643 }
2644
2645 // ----------------------------------------------------------------------------
2646 // wxGridRowOrColAttrData
2647 // ----------------------------------------------------------------------------
2648
2649 wxGridRowOrColAttrData::~wxGridRowOrColAttrData()
2650 {
2651     size_t count = m_attrs.Count();
2652     for ( size_t n = 0; n < count; n++ )
2653     {
2654         m_attrs[n]->DecRef();
2655     }
2656 }
2657
2658 wxGridCellAttr *wxGridRowOrColAttrData::GetAttr(int rowOrCol) const
2659 {
2660     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
2661
2662     int n = m_rowsOrCols.Index(rowOrCol);
2663     if ( n != wxNOT_FOUND )
2664     {
2665         attr = m_attrs[(size_t)n];
2666         attr->IncRef();
2667     }
2668
2669     return attr;
2670 }
2671
2672 void wxGridRowOrColAttrData::SetAttr(wxGridCellAttr *attr, int rowOrCol)
2673 {
2674     int i = m_rowsOrCols.Index(rowOrCol);
2675     if ( i == wxNOT_FOUND )
2676     {
2677         // add the attribute
2678         m_rowsOrCols.Add(rowOrCol);
2679         m_attrs.Add(attr);
2680     }
2681     else
2682     {
2683         size_t n = (size_t)i;
2684         if ( attr )
2685         {
2686             // change the attribute
2687             m_attrs[n]->DecRef();
2688             m_attrs[n] = attr;
2689         }
2690         else
2691         {
2692             // remove this attribute
2693             m_attrs[n]->DecRef();
2694             m_rowsOrCols.RemoveAt(n);
2695             m_attrs.RemoveAt(n);
2696         }
2697     }
2698 }
2699
2700 void wxGridRowOrColAttrData::UpdateAttrRowsOrCols( size_t pos, int numRowsOrCols )
2701 {
2702     size_t count = m_attrs.GetCount();
2703     for ( size_t n = 0; n < count; n++ )
2704     {
2705         int & rowOrCol = m_rowsOrCols[n];
2706         if ( (size_t)rowOrCol >= pos )
2707         {
2708             if ( numRowsOrCols > 0 )
2709             {
2710                 // If rows inserted, include row counter where necessary
2711                 rowOrCol += numRowsOrCols;
2712             }
2713             else if ( numRowsOrCols < 0)
2714             {
2715                 // If rows deleted, either decrement row counter (if row still exists)
2716                 if ((size_t)rowOrCol >= pos - numRowsOrCols)
2717                     rowOrCol += numRowsOrCols;
2718                 else
2719                 {
2720                     m_rowsOrCols.RemoveAt(n);
2721                     m_attrs[n]->DecRef();
2722                     m_attrs.RemoveAt(n);
2723                     n--;
2724                     count--;
2725                 }
2726             }
2727         }
2728     }
2729 }
2730
2731 // ----------------------------------------------------------------------------
2732 // wxGridCellAttrProvider
2733 // ----------------------------------------------------------------------------
2734
2735 wxGridCellAttrProvider::wxGridCellAttrProvider()
2736 {
2737     m_data = (wxGridCellAttrProviderData *)NULL;
2738 }
2739
2740 wxGridCellAttrProvider::~wxGridCellAttrProvider()
2741 {
2742     delete m_data;
2743 }
2744
2745 void wxGridCellAttrProvider::InitData()
2746 {
2747     m_data = new wxGridCellAttrProviderData;
2748 }
2749
2750 wxGridCellAttr *wxGridCellAttrProvider::GetAttr(int row, int col,
2751                                                 wxGridCellAttr::wxAttrKind  kind ) const
2752 {
2753     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
2754     if ( m_data )
2755     {
2756         switch (kind)
2757         {
2758             case (wxGridCellAttr::Any):
2759                 // Get cached merge attributes.
2760                 // Currently not used as no cache implemented as not mutable
2761                 // attr = m_data->m_mergeAttr.GetAttr(row, col);
2762                 if (!attr)
2763                 {
2764                     // Basically implement old version.
2765                     // Also check merge cache, so we don't have to re-merge every time..
2766                     wxGridCellAttr *attrcell = m_data->m_cellAttrs.GetAttr(row, col);
2767                     wxGridCellAttr *attrrow = m_data->m_rowAttrs.GetAttr(row);
2768                     wxGridCellAttr *attrcol = m_data->m_colAttrs.GetAttr(col);
2769
2770                     if ((attrcell != attrrow) && (attrrow != attrcol) && (attrcell != attrcol))
2771                     {
2772                         // Two or more are non NULL
2773                         attr = new wxGridCellAttr;
2774                         attr->SetKind(wxGridCellAttr::Merged);
2775
2776                         // Order is important..
2777                         if (attrcell)
2778                         {
2779                             attr->MergeWith(attrcell);
2780                             attrcell->DecRef();
2781                         }
2782                         if (attrcol)
2783                         {
2784                             attr->MergeWith(attrcol);
2785                             attrcol->DecRef();
2786                         }
2787                         if (attrrow)
2788                         {
2789                             attr->MergeWith(attrrow);
2790                             attrrow->DecRef();
2791                         }
2792
2793                         // store merge attr if cache implemented
2794                         //attr->IncRef();
2795                         //m_data->m_mergeAttr.SetAttr(attr, row, col);
2796                     }
2797                     else
2798                     {
2799                         // one or none is non null return it or null.
2800                         if (attrrow)
2801                             attr = attrrow;
2802                         if (attrcol)
2803                         {
2804                             if (attr)
2805                                 attr->DecRef();
2806                             attr = attrcol;
2807                         }
2808                         if (attrcell)
2809                         {
2810                             if (attr)
2811                                 attr->DecRef();
2812                             attr = attrcell;
2813                         }
2814                     }
2815                 }
2816                 break;
2817
2818             case (wxGridCellAttr::Cell):
2819                 attr = m_data->m_cellAttrs.GetAttr(row, col);
2820                 break;
2821
2822             case (wxGridCellAttr::Col):
2823                 attr = m_data->m_colAttrs.GetAttr(col);
2824                 break;
2825
2826             case (wxGridCellAttr::Row):
2827                 attr = m_data->m_rowAttrs.GetAttr(row);
2828                 break;
2829
2830             default:
2831                 // unused as yet...
2832                 // (wxGridCellAttr::Default):
2833                 // (wxGridCellAttr::Merged):
2834                 break;
2835         }
2836     }
2837
2838     return attr;
2839 }
2840
2841 void wxGridCellAttrProvider::SetAttr(wxGridCellAttr *attr,
2842                                      int row, int col)
2843 {
2844     if ( !m_data )
2845         InitData();
2846
2847     m_data->m_cellAttrs.SetAttr(attr, row, col);
2848 }
2849
2850 void wxGridCellAttrProvider::SetRowAttr(wxGridCellAttr *attr, int row)
2851 {
2852     if ( !m_data )
2853         InitData();
2854
2855     m_data->m_rowAttrs.SetAttr(attr, row);
2856 }
2857
2858 void wxGridCellAttrProvider::SetColAttr(wxGridCellAttr *attr, int col)
2859 {
2860     if ( !m_data )
2861         InitData();
2862
2863     m_data->m_colAttrs.SetAttr(attr, col);
2864 }
2865
2866 void wxGridCellAttrProvider::UpdateAttrRows( size_t pos, int numRows )
2867 {
2868     if ( m_data )
2869     {
2870         m_data->m_cellAttrs.UpdateAttrRows( pos, numRows );
2871
2872         m_data->m_rowAttrs.UpdateAttrRowsOrCols( pos, numRows );
2873     }
2874 }
2875
2876 void wxGridCellAttrProvider::UpdateAttrCols( size_t pos, int numCols )
2877 {
2878     if ( m_data )
2879     {
2880         m_data->m_cellAttrs.UpdateAttrCols( pos, numCols );
2881
2882         m_data->m_colAttrs.UpdateAttrRowsOrCols( pos, numCols );
2883     }
2884 }
2885
2886 // ----------------------------------------------------------------------------
2887 // wxGridTypeRegistry
2888 // ----------------------------------------------------------------------------
2889
2890 wxGridTypeRegistry::~wxGridTypeRegistry()
2891 {
2892     size_t count = m_typeinfo.Count();
2893     for ( size_t i = 0; i < count; i++ )
2894         delete m_typeinfo[i];
2895 }
2896
2897 void wxGridTypeRegistry::RegisterDataType(const wxString& typeName,
2898                                           wxGridCellRenderer* renderer,
2899                                           wxGridCellEditor* editor)
2900 {
2901     wxGridDataTypeInfo* info = new wxGridDataTypeInfo(typeName, renderer, editor);
2902
2903     // is it already registered?
2904     int loc = FindRegisteredDataType(typeName);
2905     if ( loc != wxNOT_FOUND )
2906     {
2907         delete m_typeinfo[loc];
2908         m_typeinfo[loc] = info;
2909     }
2910     else
2911     {
2912         m_typeinfo.Add(info);
2913     }
2914 }
2915
2916 int wxGridTypeRegistry::FindRegisteredDataType(const wxString& typeName)
2917 {
2918     size_t count = m_typeinfo.GetCount();
2919     for ( size_t i = 0; i < count; i++ )
2920     {
2921         if ( typeName == m_typeinfo[i]->m_typeName )
2922         {
2923             return i;
2924         }
2925     }
2926
2927     return wxNOT_FOUND;
2928 }
2929
2930 int wxGridTypeRegistry::FindDataType(const wxString& typeName)
2931 {
2932     int index = FindRegisteredDataType(typeName);
2933     if ( index == wxNOT_FOUND )
2934     {
2935         // check whether this is one of the standard ones, in which case
2936         // register it "on the fly"
2937 #if wxUSE_TEXTCTRL
2938         if ( typeName == wxGRID_VALUE_STRING )
2939         {
2940             RegisterDataType(wxGRID_VALUE_STRING,
2941                              new wxGridCellStringRenderer,
2942                              new wxGridCellTextEditor);
2943         }
2944         else
2945 #endif // wxUSE_TEXTCTRL
2946 #if wxUSE_CHECKBOX
2947         if ( typeName == wxGRID_VALUE_BOOL )
2948         {
2949             RegisterDataType(wxGRID_VALUE_BOOL,
2950                              new wxGridCellBoolRenderer,
2951                              new wxGridCellBoolEditor);
2952         }
2953         else
2954 #endif // wxUSE_CHECKBOX
2955 #if wxUSE_TEXTCTRL
2956         if ( typeName == wxGRID_VALUE_NUMBER )
2957         {
2958             RegisterDataType(wxGRID_VALUE_NUMBER,
2959                              new wxGridCellNumberRenderer,
2960                              new wxGridCellNumberEditor);
2961         }
2962         else if ( typeName == wxGRID_VALUE_FLOAT )
2963         {
2964             RegisterDataType(wxGRID_VALUE_FLOAT,
2965                              new wxGridCellFloatRenderer,
2966                              new wxGridCellFloatEditor);
2967         }
2968         else
2969 #endif // wxUSE_TEXTCTRL
2970 #if wxUSE_COMBOBOX
2971         if ( typeName == wxGRID_VALUE_CHOICE )
2972         {
2973             RegisterDataType(wxGRID_VALUE_CHOICE,
2974                              new wxGridCellStringRenderer,
2975                              new wxGridCellChoiceEditor);
2976         }
2977         else
2978 #endif // wxUSE_COMBOBOX
2979         {
2980             return wxNOT_FOUND;
2981         }
2982
2983         // we get here only if just added the entry for this type, so return
2984         // the last index
2985         index = m_typeinfo.GetCount() - 1;
2986     }
2987
2988     return index;
2989 }
2990
2991 int wxGridTypeRegistry::FindOrCloneDataType(const wxString& typeName)
2992 {
2993     int index = FindDataType(typeName);
2994     if ( index == wxNOT_FOUND )
2995     {
2996         // the first part of the typename is the "real" type, anything after ':'
2997         // are the parameters for the renderer
2998         index = FindDataType(typeName.BeforeFirst(_T(':')));
2999         if ( index == wxNOT_FOUND )
3000         {
3001             return wxNOT_FOUND;
3002         }
3003
3004         wxGridCellRenderer *renderer = GetRenderer(index);
3005         wxGridCellRenderer *rendererOld = renderer;
3006         renderer = renderer->Clone();
3007         rendererOld->DecRef();
3008
3009         wxGridCellEditor *editor = GetEditor(index);
3010         wxGridCellEditor *editorOld = editor;
3011         editor = editor->Clone();
3012         editorOld->DecRef();
3013
3014         // do it even if there are no parameters to reset them to defaults
3015         wxString params = typeName.AfterFirst(_T(':'));
3016         renderer->SetParameters(params);
3017         editor->SetParameters(params);
3018
3019         // register the new typename
3020         RegisterDataType(typeName, renderer, editor);
3021
3022         // we just registered it, it's the last one
3023         index = m_typeinfo.GetCount() - 1;
3024     }
3025
3026     return index;
3027 }
3028
3029 wxGridCellRenderer* wxGridTypeRegistry::GetRenderer(int index)
3030 {
3031     wxGridCellRenderer* renderer = m_typeinfo[index]->m_renderer;
3032     if (renderer)
3033         renderer->IncRef();
3034
3035     return renderer;
3036 }
3037
3038 wxGridCellEditor* wxGridTypeRegistry::GetEditor(int index)
3039 {
3040     wxGridCellEditor* editor = m_typeinfo[index]->m_editor;
3041     if (editor)
3042         editor->IncRef();
3043
3044     return editor;
3045 }
3046
3047 // ----------------------------------------------------------------------------
3048 // wxGridTableBase
3049 // ----------------------------------------------------------------------------
3050
3051 IMPLEMENT_ABSTRACT_CLASS( wxGridTableBase, wxObject )
3052
3053 wxGridTableBase::wxGridTableBase()
3054 {
3055     m_view = (wxGrid *) NULL;
3056     m_attrProvider = (wxGridCellAttrProvider *) NULL;
3057 }
3058
3059 wxGridTableBase::~wxGridTableBase()
3060 {
3061     delete m_attrProvider;
3062 }
3063
3064 void wxGridTableBase::SetAttrProvider(wxGridCellAttrProvider *attrProvider)
3065 {
3066     delete m_attrProvider;
3067     m_attrProvider = attrProvider;
3068 }
3069
3070 bool wxGridTableBase::CanHaveAttributes()
3071 {
3072     if ( ! GetAttrProvider() )
3073     {
3074         // use the default attr provider by default
3075         SetAttrProvider(new wxGridCellAttrProvider);
3076     }
3077
3078     return true;
3079 }
3080
3081 wxGridCellAttr *wxGridTableBase::GetAttr(int row, int col, wxGridCellAttr::wxAttrKind  kind)
3082 {
3083     if ( m_attrProvider )
3084         return m_attrProvider->GetAttr(row, col, kind);
3085     else
3086         return (wxGridCellAttr *)NULL;
3087 }
3088
3089 void wxGridTableBase::SetAttr(wxGridCellAttr* attr, int row, int col)
3090 {
3091     if ( m_attrProvider )
3092     {
3093         attr->SetKind(wxGridCellAttr::Cell);
3094         m_attrProvider->SetAttr(attr, row, col);
3095     }
3096     else
3097     {
3098         // as we take ownership of the pointer and don't store it, we must
3099         // free it now
3100         wxSafeDecRef(attr);
3101     }
3102 }
3103
3104 void wxGridTableBase::SetRowAttr(wxGridCellAttr *attr, int row)
3105 {
3106     if ( m_attrProvider )
3107     {
3108         attr->SetKind(wxGridCellAttr::Row);
3109         m_attrProvider->SetRowAttr(attr, row);
3110     }
3111     else
3112     {
3113         // as we take ownership of the pointer and don't store it, we must
3114         // free it now
3115         wxSafeDecRef(attr);
3116     }
3117 }
3118
3119 void wxGridTableBase::SetColAttr(wxGridCellAttr *attr, int col)
3120 {
3121     if ( m_attrProvider )
3122     {
3123         attr->SetKind(wxGridCellAttr::Col);
3124         m_attrProvider->SetColAttr(attr, col);
3125     }
3126     else
3127     {
3128         // as we take ownership of the pointer and don't store it, we must
3129         // free it now
3130         wxSafeDecRef(attr);
3131     }
3132 }
3133
3134 bool wxGridTableBase::InsertRows( size_t WXUNUSED(pos),
3135                                   size_t WXUNUSED(numRows) )
3136 {
3137     wxFAIL_MSG( wxT("Called grid table class function InsertRows\nbut your derived table class does not override this function") );
3138
3139     return false;
3140 }
3141
3142 bool wxGridTableBase::AppendRows( size_t WXUNUSED(numRows) )
3143 {
3144     wxFAIL_MSG( wxT("Called grid table class function AppendRows\nbut your derived table class does not override this function"));
3145
3146     return false;
3147 }
3148
3149 bool wxGridTableBase::DeleteRows( size_t WXUNUSED(pos),
3150                                   size_t WXUNUSED(numRows) )
3151 {
3152     wxFAIL_MSG( wxT("Called grid table class function DeleteRows\nbut your derived table class does not override this function"));
3153
3154     return false;
3155 }
3156
3157 bool wxGridTableBase::InsertCols( size_t WXUNUSED(pos),
3158                                   size_t WXUNUSED(numCols) )
3159 {
3160     wxFAIL_MSG( wxT("Called grid table class function InsertCols\nbut your derived table class does not override this function"));
3161
3162     return false;
3163 }
3164
3165 bool wxGridTableBase::AppendCols( size_t WXUNUSED(numCols) )
3166 {
3167     wxFAIL_MSG(wxT("Called grid table class function AppendCols\nbut your derived table class does not override this function"));
3168
3169     return false;
3170 }
3171
3172 bool wxGridTableBase::DeleteCols( size_t WXUNUSED(pos),
3173                                   size_t WXUNUSED(numCols) )
3174 {
3175     wxFAIL_MSG( wxT("Called grid table class function DeleteCols\nbut your derived table class does not override this function"));
3176
3177     return false;
3178 }
3179
3180 wxString wxGridTableBase::GetRowLabelValue( int row )
3181 {
3182     wxString s;
3183
3184     // RD: Starting the rows at zero confuses users,
3185     // no matter how much it makes sense to us geeks.
3186     s << row + 1;
3187
3188     return s;
3189 }
3190
3191 wxString wxGridTableBase::GetColLabelValue( int col )
3192 {
3193     // default col labels are:
3194     //   cols 0 to 25   : A-Z
3195     //   cols 26 to 675 : AA-ZZ
3196     //   etc.
3197
3198     wxString s;
3199     unsigned int i, n;
3200     for ( n = 1; ; n++ )
3201     {
3202         s += (wxChar) (_T('A') + (wxChar)(col % 26));
3203         col = col / 26 - 1;
3204         if ( col < 0 )
3205             break;
3206     }
3207
3208     // reverse the string...
3209     wxString s2;
3210     for ( i = 0;  i < n;  i++ )
3211     {
3212         s2 += s[n - i - 1];
3213     }
3214
3215     return s2;
3216 }
3217
3218 wxString wxGridTableBase::GetTypeName( int WXUNUSED(row), int WXUNUSED(col) )
3219 {
3220     return wxGRID_VALUE_STRING;
3221 }
3222
3223 bool wxGridTableBase::CanGetValueAs( int WXUNUSED(row), int WXUNUSED(col),
3224                                      const wxString& typeName )
3225 {
3226     return typeName == wxGRID_VALUE_STRING;
3227 }
3228
3229 bool wxGridTableBase::CanSetValueAs( int row, int col, const wxString& typeName )
3230 {
3231     return CanGetValueAs(row, col, typeName);
3232 }
3233
3234 long wxGridTableBase::GetValueAsLong( int WXUNUSED(row), int WXUNUSED(col) )
3235 {
3236     return 0;
3237 }
3238
3239 double wxGridTableBase::GetValueAsDouble( int WXUNUSED(row), int WXUNUSED(col) )
3240 {
3241     return 0.0;
3242 }
3243
3244 bool wxGridTableBase::GetValueAsBool( int WXUNUSED(row), int WXUNUSED(col) )
3245 {
3246     return false;
3247 }
3248
3249 void wxGridTableBase::SetValueAsLong( int WXUNUSED(row), int WXUNUSED(col),
3250                                       long WXUNUSED(value) )
3251 {
3252 }
3253
3254 void wxGridTableBase::SetValueAsDouble( int WXUNUSED(row), int WXUNUSED(col),
3255                                         double WXUNUSED(value) )
3256 {
3257 }
3258
3259 void wxGridTableBase::SetValueAsBool( int WXUNUSED(row), int WXUNUSED(col),
3260                                       bool WXUNUSED(value) )
3261 {
3262 }
3263
3264 void* wxGridTableBase::GetValueAsCustom( int WXUNUSED(row), int WXUNUSED(col),
3265                                          const wxString& WXUNUSED(typeName) )
3266 {
3267     return NULL;
3268 }
3269
3270 void  wxGridTableBase::SetValueAsCustom( int WXUNUSED(row), int WXUNUSED(col),
3271                                          const wxString& WXUNUSED(typeName),
3272                                          void* WXUNUSED(value) )
3273 {
3274 }
3275
3276 //////////////////////////////////////////////////////////////////////
3277 //
3278 // Message class for the grid table to send requests and notifications
3279 // to the grid view
3280 //
3281
3282 wxGridTableMessage::wxGridTableMessage()
3283 {
3284     m_table = (wxGridTableBase *) NULL;
3285     m_id = -1;
3286     m_comInt1 = -1;
3287     m_comInt2 = -1;
3288 }
3289
3290 wxGridTableMessage::wxGridTableMessage( wxGridTableBase *table, int id,
3291                                         int commandInt1, int commandInt2 )
3292 {
3293     m_table = table;
3294     m_id = id;
3295     m_comInt1 = commandInt1;
3296     m_comInt2 = commandInt2;
3297 }
3298
3299 //////////////////////////////////////////////////////////////////////
3300 //
3301 // A basic grid table for string data. An object of this class will
3302 // created by wxGrid if you don't specify an alternative table class.
3303 //
3304
3305 WX_DEFINE_OBJARRAY(wxGridStringArray)
3306
3307 IMPLEMENT_DYNAMIC_CLASS( wxGridStringTable, wxGridTableBase )
3308
3309 wxGridStringTable::wxGridStringTable()
3310         : wxGridTableBase()
3311 {
3312 }
3313
3314 wxGridStringTable::wxGridStringTable( int numRows, int numCols )
3315         : wxGridTableBase()
3316 {
3317     m_data.Alloc( numRows );
3318
3319     wxArrayString sa;
3320     sa.Alloc( numCols );
3321     sa.Add( wxEmptyString, numCols );
3322
3323     m_data.Add( sa, numRows );
3324 }
3325
3326 wxGridStringTable::~wxGridStringTable()
3327 {
3328 }
3329
3330 int wxGridStringTable::GetNumberRows()
3331 {
3332     return m_data.GetCount();
3333 }
3334
3335 int wxGridStringTable::GetNumberCols()
3336 {
3337     if ( m_data.GetCount() > 0 )
3338         return m_data[0].GetCount();
3339     else
3340         return 0;
3341 }
3342
3343 wxString wxGridStringTable::GetValue( int row, int col )
3344 {
3345     wxCHECK_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),
3346                  wxEmptyString,
3347                  _T("invalid row or column index in wxGridStringTable") );
3348
3349     return m_data[row][col];
3350 }
3351
3352 void wxGridStringTable::SetValue( int row, int col, const wxString& value )
3353 {
3354     wxCHECK_RET( (row < GetNumberRows()) && (col < GetNumberCols()),
3355                  _T("invalid row or column index in wxGridStringTable") );
3356
3357     m_data[row][col] = value;
3358 }
3359
3360 bool wxGridStringTable::IsEmptyCell( int row, int col )
3361 {
3362     wxCHECK_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),
3363                  true,
3364                   _T("invalid row or column index in wxGridStringTable") );
3365
3366     return (m_data[row][col] == wxEmptyString);
3367 }
3368
3369 void wxGridStringTable::Clear()
3370 {
3371     int row, col;
3372     int numRows, numCols;
3373
3374     numRows = m_data.GetCount();
3375     if ( numRows > 0 )
3376     {
3377         numCols = m_data[0].GetCount();
3378
3379         for ( row = 0;  row < numRows;  row++ )
3380         {
3381             for ( col = 0;  col < numCols;  col++ )
3382             {
3383                 m_data[row][col] = wxEmptyString;
3384             }
3385         }
3386     }
3387 }
3388
3389 bool wxGridStringTable::InsertRows( size_t pos, size_t numRows )
3390 {
3391     size_t curNumRows = m_data.GetCount();
3392     size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
3393                           ( GetView() ? GetView()->GetNumberCols() : 0 ) );
3394
3395     if ( pos >= curNumRows )
3396     {
3397         return AppendRows( numRows );
3398     }
3399
3400     wxArrayString sa;
3401     sa.Alloc( curNumCols );
3402     sa.Add( wxEmptyString, curNumCols );
3403     m_data.Insert( sa, pos, numRows );
3404
3405     if ( GetView() )
3406     {
3407         wxGridTableMessage msg( this,
3408                                 wxGRIDTABLE_NOTIFY_ROWS_INSERTED,
3409                                 pos,
3410                                 numRows );
3411
3412         GetView()->ProcessTableMessage( msg );
3413     }
3414
3415     return true;
3416 }
3417
3418 bool wxGridStringTable::AppendRows( size_t numRows )
3419 {
3420     size_t curNumRows = m_data.GetCount();
3421     size_t curNumCols = ( curNumRows > 0
3422                          ? m_data[0].GetCount()
3423                          : ( GetView() ? GetView()->GetNumberCols() : 0 ) );
3424
3425     wxArrayString sa;
3426     if ( curNumCols > 0 )
3427     {
3428         sa.Alloc( curNumCols );
3429         sa.Add( wxEmptyString, curNumCols );
3430     }
3431
3432     m_data.Add( sa, numRows );
3433
3434     if ( GetView() )
3435     {
3436         wxGridTableMessage msg( this,
3437                                 wxGRIDTABLE_NOTIFY_ROWS_APPENDED,
3438                                 numRows );
3439
3440         GetView()->ProcessTableMessage( msg );
3441     }
3442
3443     return true;
3444 }
3445
3446 bool wxGridStringTable::DeleteRows( size_t pos, size_t numRows )
3447 {
3448     size_t curNumRows = m_data.GetCount();
3449
3450     if ( pos >= curNumRows )
3451     {
3452         wxFAIL_MSG( wxString::Format
3453                     (
3454                         wxT("Called wxGridStringTable::DeleteRows(pos=%lu, N=%lu)\nPos value is invalid for present table with %lu rows"),
3455                         (unsigned long)pos,
3456                         (unsigned long)numRows,
3457                         (unsigned long)curNumRows
3458                     ) );
3459
3460         return false;
3461     }
3462
3463     if ( numRows > curNumRows - pos )
3464     {
3465         numRows = curNumRows - pos;
3466     }
3467
3468     if ( numRows >= curNumRows )
3469     {
3470         m_data.Clear();
3471     }
3472     else
3473     {
3474         m_data.RemoveAt( pos, numRows );
3475     }
3476
3477     if ( GetView() )
3478     {
3479         wxGridTableMessage msg( this,
3480                                 wxGRIDTABLE_NOTIFY_ROWS_DELETED,
3481                                 pos,
3482                                 numRows );
3483
3484         GetView()->ProcessTableMessage( msg );
3485     }
3486
3487     return true;
3488 }
3489
3490 bool wxGridStringTable::InsertCols( size_t pos, size_t numCols )
3491 {
3492     size_t row, col;
3493
3494     size_t curNumRows = m_data.GetCount();
3495     size_t curNumCols = ( curNumRows > 0
3496                          ? m_data[0].GetCount()
3497                          : ( GetView() ? GetView()->GetNumberCols() : 0 ) );
3498
3499     if ( pos >= curNumCols )
3500     {
3501         return AppendCols( numCols );
3502     }
3503
3504     for ( row = 0;  row < curNumRows;  row++ )
3505     {
3506         for ( col = pos;  col < pos + numCols;  col++ )
3507         {
3508             m_data[row].Insert( wxEmptyString, col );
3509         }
3510     }
3511
3512     if ( GetView() )
3513     {
3514         wxGridTableMessage msg( this,
3515                                 wxGRIDTABLE_NOTIFY_COLS_INSERTED,
3516                                 pos,
3517                                 numCols );
3518
3519         GetView()->ProcessTableMessage( msg );
3520     }
3521
3522     return true;
3523 }
3524
3525 bool wxGridStringTable::AppendCols( size_t numCols )
3526 {
3527     size_t row;
3528
3529     size_t curNumRows = m_data.GetCount();
3530
3531 #if 0
3532     if ( !curNumRows )
3533     {
3534         // TODO: something better than this ?
3535         //
3536         wxFAIL_MSG( wxT("Unable to append cols to a grid table with no rows.\nCall AppendRows() first") );
3537         return false;
3538     }
3539 #endif
3540
3541     for ( row = 0;  row < curNumRows;  row++ )
3542     {
3543         m_data[row].Add( wxEmptyString, numCols );
3544     }
3545
3546     if ( GetView() )
3547     {
3548         wxGridTableMessage msg( this,
3549                                 wxGRIDTABLE_NOTIFY_COLS_APPENDED,
3550                                 numCols );
3551
3552         GetView()->ProcessTableMessage( msg );
3553     }
3554
3555     return true;
3556 }
3557
3558 bool wxGridStringTable::DeleteCols( size_t pos, size_t numCols )
3559 {
3560     size_t row;
3561
3562     size_t curNumRows = m_data.GetCount();
3563     size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
3564                           ( GetView() ? GetView()->GetNumberCols() : 0 ) );
3565
3566     if ( pos >= curNumCols )
3567     {
3568         wxFAIL_MSG( wxString::Format
3569                     (
3570                         wxT("Called wxGridStringTable::DeleteCols(pos=%lu, N=%lu)\nPos value is invalid for present table with %lu cols"),
3571                         (unsigned long)pos,
3572                         (unsigned long)numCols,
3573                         (unsigned long)curNumCols
3574                     ) );
3575         return false;
3576     }
3577
3578     if ( numCols > curNumCols - pos )
3579     {
3580         numCols = curNumCols - pos;
3581     }
3582
3583     for ( row = 0;  row < curNumRows;  row++ )
3584     {
3585         if ( numCols >= curNumCols )
3586         {
3587             m_data[row].Clear();
3588         }
3589         else
3590         {
3591             m_data[row].RemoveAt( pos, numCols );
3592         }
3593     }
3594
3595     if ( GetView() )
3596     {
3597         wxGridTableMessage msg( this,
3598                                 wxGRIDTABLE_NOTIFY_COLS_DELETED,
3599                                 pos,
3600                                 numCols );
3601
3602         GetView()->ProcessTableMessage( msg );
3603     }
3604
3605     return true;
3606 }
3607
3608 wxString wxGridStringTable::GetRowLabelValue( int row )
3609 {
3610     if ( row > (int)(m_rowLabels.GetCount()) - 1 )
3611     {
3612         // using default label
3613         //
3614         return wxGridTableBase::GetRowLabelValue( row );
3615     }
3616     else
3617     {
3618         return m_rowLabels[row];
3619     }
3620 }
3621
3622 wxString wxGridStringTable::GetColLabelValue( int col )
3623 {
3624     if ( col > (int)(m_colLabels.GetCount()) - 1 )
3625     {
3626         // using default label
3627         //
3628         return wxGridTableBase::GetColLabelValue( col );
3629     }
3630     else
3631     {
3632         return m_colLabels[col];
3633     }
3634 }
3635
3636 void wxGridStringTable::SetRowLabelValue( int row, const wxString& value )
3637 {
3638     if ( row > (int)(m_rowLabels.GetCount()) - 1 )
3639     {
3640         int n = m_rowLabels.GetCount();
3641         int i;
3642
3643         for ( i = n;  i <= row;  i++ )
3644         {
3645             m_rowLabels.Add( wxGridTableBase::GetRowLabelValue(i) );
3646         }
3647     }
3648
3649     m_rowLabels[row] = value;
3650 }
3651
3652 void wxGridStringTable::SetColLabelValue( int col, const wxString& value )
3653 {
3654     if ( col > (int)(m_colLabels.GetCount()) - 1 )
3655     {
3656         int n = m_colLabels.GetCount();
3657         int i;
3658
3659         for ( i = n;  i <= col;  i++ )
3660         {
3661             m_colLabels.Add( wxGridTableBase::GetColLabelValue(i) );
3662         }
3663     }
3664
3665     m_colLabels[col] = value;
3666 }
3667
3668
3669 //////////////////////////////////////////////////////////////////////
3670 //////////////////////////////////////////////////////////////////////
3671
3672 IMPLEMENT_DYNAMIC_CLASS( wxGridRowLabelWindow, wxWindow )
3673
3674 BEGIN_EVENT_TABLE( wxGridRowLabelWindow, wxWindow )
3675     EVT_PAINT( wxGridRowLabelWindow::OnPaint )
3676     EVT_MOUSEWHEEL( wxGridRowLabelWindow::OnMouseWheel)
3677     EVT_MOUSE_EVENTS( wxGridRowLabelWindow::OnMouseEvent )
3678     EVT_KEY_DOWN( wxGridRowLabelWindow::OnKeyDown )
3679     EVT_KEY_UP( wxGridRowLabelWindow::OnKeyUp )
3680     EVT_CHAR ( wxGridRowLabelWindow::OnChar )
3681 END_EVENT_TABLE()
3682
3683 wxGridRowLabelWindow::wxGridRowLabelWindow( wxGrid *parent,
3684                                             wxWindowID id,
3685                                             const wxPoint &pos, const wxSize &size )
3686   : wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE|wxFULL_REPAINT_ON_RESIZE )
3687 {
3688     m_owner = parent;
3689 }
3690
3691 void wxGridRowLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
3692 {
3693     wxPaintDC dc(this);
3694
3695     // NO - don't do this because it will set both the x and y origin
3696     // coords to match the parent scrolled window and we just want to
3697     // set the y coord  - MB
3698     //
3699     // m_owner->PrepareDC( dc );
3700
3701     int x, y;
3702     m_owner->CalcUnscrolledPosition( 0, 0, &x, &y );
3703     dc.SetDeviceOrigin( 0, -y );
3704
3705     wxArrayInt rows = m_owner->CalcRowLabelsExposed( GetUpdateRegion() );
3706     m_owner->DrawRowLabels( dc , rows );
3707 }
3708
3709 void wxGridRowLabelWindow::OnMouseEvent( wxMouseEvent& event )
3710 {
3711     m_owner->ProcessRowLabelMouseEvent( event );
3712 }
3713
3714 void wxGridRowLabelWindow::OnMouseWheel( wxMouseEvent& event )
3715 {
3716     m_owner->GetEventHandler()->ProcessEvent(event);
3717 }
3718
3719 // This seems to be required for wxMotif otherwise the mouse
3720 // cursor must be in the cell edit control to get key events
3721 //
3722 void wxGridRowLabelWindow::OnKeyDown( wxKeyEvent& event )
3723 {
3724     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
3725         event.Skip();
3726 }
3727
3728 void wxGridRowLabelWindow::OnKeyUp( wxKeyEvent& event )
3729 {
3730     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
3731         event.Skip();
3732 }
3733
3734 void wxGridRowLabelWindow::OnChar( wxKeyEvent& event )
3735 {
3736     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
3737         event.Skip();
3738 }
3739
3740 //////////////////////////////////////////////////////////////////////
3741
3742 IMPLEMENT_DYNAMIC_CLASS( wxGridColLabelWindow, wxWindow )
3743
3744 BEGIN_EVENT_TABLE( wxGridColLabelWindow, wxWindow )
3745     EVT_PAINT( wxGridColLabelWindow::OnPaint )
3746     EVT_MOUSEWHEEL( wxGridColLabelWindow::OnMouseWheel)
3747     EVT_MOUSE_EVENTS( wxGridColLabelWindow::OnMouseEvent )
3748     EVT_KEY_DOWN( wxGridColLabelWindow::OnKeyDown )
3749     EVT_KEY_UP( wxGridColLabelWindow::OnKeyUp )
3750     EVT_CHAR ( wxGridColLabelWindow::OnChar )
3751 END_EVENT_TABLE()
3752
3753 wxGridColLabelWindow::wxGridColLabelWindow( wxGrid *parent,
3754                                             wxWindowID id,
3755                                             const wxPoint &pos, const wxSize &size )
3756   : wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE|wxFULL_REPAINT_ON_RESIZE )
3757 {
3758     m_owner = parent;
3759 }
3760
3761 void wxGridColLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
3762 {
3763     wxPaintDC dc(this);
3764
3765     // NO - don't do this because it will set both the x and y origin
3766     // coords to match the parent scrolled window and we just want to
3767     // set the x coord  - MB
3768     //
3769     // m_owner->PrepareDC( dc );
3770
3771     int x, y;
3772     m_owner->CalcUnscrolledPosition( 0, 0, &x, &y );
3773     dc.SetDeviceOrigin( -x, 0 );
3774
3775     wxArrayInt cols = m_owner->CalcColLabelsExposed( GetUpdateRegion() );
3776     m_owner->DrawColLabels( dc , cols );
3777 }
3778
3779 void wxGridColLabelWindow::OnMouseEvent( wxMouseEvent& event )
3780 {
3781     m_owner->ProcessColLabelMouseEvent( event );
3782 }
3783
3784 void wxGridColLabelWindow::OnMouseWheel( wxMouseEvent& event )
3785 {
3786     m_owner->GetEventHandler()->ProcessEvent(event);
3787 }
3788
3789 // This seems to be required for wxMotif otherwise the mouse
3790 // cursor must be in the cell edit control to get key events
3791 //
3792 void wxGridColLabelWindow::OnKeyDown( wxKeyEvent& event )
3793 {
3794     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
3795         event.Skip();
3796 }
3797
3798 void wxGridColLabelWindow::OnKeyUp( wxKeyEvent& event )
3799 {
3800     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
3801         event.Skip();
3802 }
3803
3804 void wxGridColLabelWindow::OnChar( wxKeyEvent& event )
3805 {
3806     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
3807         event.Skip();
3808 }
3809
3810 //////////////////////////////////////////////////////////////////////
3811
3812 IMPLEMENT_DYNAMIC_CLASS( wxGridCornerLabelWindow, wxWindow )
3813
3814 BEGIN_EVENT_TABLE( wxGridCornerLabelWindow, wxWindow )
3815     EVT_MOUSEWHEEL( wxGridCornerLabelWindow::OnMouseWheel)
3816     EVT_MOUSE_EVENTS( wxGridCornerLabelWindow::OnMouseEvent )
3817     EVT_PAINT( wxGridCornerLabelWindow::OnPaint)
3818     EVT_KEY_DOWN( wxGridCornerLabelWindow::OnKeyDown )
3819     EVT_KEY_UP( wxGridCornerLabelWindow::OnKeyUp )
3820     EVT_CHAR ( wxGridCornerLabelWindow::OnChar )
3821 END_EVENT_TABLE()
3822
3823 wxGridCornerLabelWindow::wxGridCornerLabelWindow( wxGrid *parent,
3824                                                   wxWindowID id,
3825                                                   const wxPoint &pos, const wxSize &size )
3826   : wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE|wxFULL_REPAINT_ON_RESIZE )
3827 {
3828     m_owner = parent;
3829 }
3830
3831 void wxGridCornerLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
3832 {
3833     wxPaintDC dc(this);
3834
3835     int client_height = 0;
3836     int client_width = 0;
3837     GetClientSize( &client_width, &client_height );
3838
3839     // VZ: any reason for this ifdef? (FIXME)
3840 #ifdef __WXGTK__
3841     wxRect rect;
3842     rect.SetX( 1 );
3843     rect.SetY( 1 );
3844     rect.SetWidth( client_width - 2 );
3845     rect.SetHeight( client_height - 2 );
3846
3847     wxRendererNative::Get().DrawHeaderButton( this, dc, rect, 0 );
3848 #else // !__WXGTK__
3849     dc.SetPen( wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW),1, wxSOLID) );
3850     dc.DrawLine( client_width-1, client_height-1, client_width-1, 0 );
3851     dc.DrawLine( client_width-1, client_height-1, 0, client_height-1 );
3852     dc.DrawLine( 0, 0, client_width, 0 );
3853     dc.DrawLine( 0, 0, 0, client_height );
3854
3855     dc.SetPen( *wxWHITE_PEN );
3856     dc.DrawLine( 1, 1, client_width-1, 1 );
3857     dc.DrawLine( 1, 1, 1, client_height-1 );
3858 #endif // __WXGTK__/!__WXGTK__
3859 }
3860
3861 void wxGridCornerLabelWindow::OnMouseEvent( wxMouseEvent& event )
3862 {
3863     m_owner->ProcessCornerLabelMouseEvent( event );
3864 }
3865
3866 void wxGridCornerLabelWindow::OnMouseWheel( wxMouseEvent& event )
3867 {
3868     m_owner->GetEventHandler()->ProcessEvent(event);
3869 }
3870
3871 // This seems to be required for wxMotif otherwise the mouse
3872 // cursor must be in the cell edit control to get key events
3873 //
3874 void wxGridCornerLabelWindow::OnKeyDown( wxKeyEvent& event )
3875 {
3876     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
3877         event.Skip();
3878 }
3879
3880 void wxGridCornerLabelWindow::OnKeyUp( wxKeyEvent& event )
3881 {
3882     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
3883         event.Skip();
3884 }
3885
3886 void wxGridCornerLabelWindow::OnChar( wxKeyEvent& event )
3887 {
3888     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
3889         event.Skip();
3890 }
3891
3892 //////////////////////////////////////////////////////////////////////
3893
3894 IMPLEMENT_DYNAMIC_CLASS( wxGridWindow, wxWindow )
3895
3896 BEGIN_EVENT_TABLE( wxGridWindow, wxWindow )
3897     EVT_PAINT( wxGridWindow::OnPaint )
3898     EVT_MOUSEWHEEL( wxGridWindow::OnMouseWheel)
3899     EVT_MOUSE_EVENTS( wxGridWindow::OnMouseEvent )
3900     EVT_KEY_DOWN( wxGridWindow::OnKeyDown )
3901     EVT_KEY_UP( wxGridWindow::OnKeyUp )
3902     EVT_CHAR ( wxGridWindow::OnChar )
3903     EVT_SET_FOCUS( wxGridWindow::OnFocus )
3904     EVT_KILL_FOCUS( wxGridWindow::OnFocus )
3905     EVT_ERASE_BACKGROUND( wxGridWindow::OnEraseBackground )
3906 END_EVENT_TABLE()
3907
3908 wxGridWindow::wxGridWindow( wxGrid *parent,
3909                             wxGridRowLabelWindow *rowLblWin,
3910                             wxGridColLabelWindow *colLblWin,
3911                             wxWindowID id,
3912                             const wxPoint &pos,
3913                             const wxSize &size )
3914             : wxWindow( parent, id, pos, size, wxWANTS_CHARS | wxBORDER_NONE | wxCLIP_CHILDREN|wxFULL_REPAINT_ON_RESIZE,
3915                         wxT("grid window") )
3916 {
3917     m_owner = parent;
3918     m_rowLabelWin = rowLblWin;
3919     m_colLabelWin = colLblWin;
3920 }
3921
3922 void wxGridWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
3923 {
3924     wxPaintDC dc( this );
3925     m_owner->PrepareDC( dc );
3926     wxRegion reg = GetUpdateRegion();
3927     wxGridCellCoordsArray DirtyCells = m_owner->CalcCellsExposed( reg );
3928     m_owner->DrawGridCellArea( dc , DirtyCells);
3929
3930 #if WXGRID_DRAW_LINES
3931     m_owner->DrawAllGridLines( dc, reg );
3932 #endif
3933
3934     m_owner->DrawGridSpace( dc );
3935     m_owner->DrawHighlight( dc , DirtyCells );
3936 }
3937
3938 void wxGridWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
3939 {
3940     wxWindow::ScrollWindow( dx, dy, rect );
3941     m_rowLabelWin->ScrollWindow( 0, dy, rect );
3942     m_colLabelWin->ScrollWindow( dx, 0, rect );
3943 }
3944
3945 void wxGridWindow::OnMouseEvent( wxMouseEvent& event )
3946 {
3947     if (event.ButtonDown(wxMOUSE_BTN_LEFT) && FindFocus() != this)
3948         SetFocus();
3949
3950     m_owner->ProcessGridCellMouseEvent( event );
3951 }
3952
3953 void wxGridWindow::OnMouseWheel( wxMouseEvent& event )
3954 {
3955     m_owner->GetEventHandler()->ProcessEvent(event);
3956 }
3957
3958 // This seems to be required for wxMotif/wxGTK otherwise the mouse
3959 // cursor must be in the cell edit control to get key events
3960 //
3961 void wxGridWindow::OnKeyDown( wxKeyEvent& event )
3962 {
3963     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
3964         event.Skip();
3965 }
3966
3967 void wxGridWindow::OnKeyUp( wxKeyEvent& event )
3968 {
3969     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
3970         event.Skip();
3971 }
3972
3973 void wxGridWindow::OnChar( wxKeyEvent& event )
3974 {
3975     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
3976         event.Skip();
3977 }
3978
3979 void wxGridWindow::OnEraseBackground( wxEraseEvent& WXUNUSED(event) )
3980 {
3981 }
3982
3983 void wxGridWindow::OnFocus(wxFocusEvent& event)
3984 {
3985     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
3986         event.Skip();
3987 }
3988
3989 //////////////////////////////////////////////////////////////////////
3990
3991 // Internal Helper function for computing row or column from some
3992 // (unscrolled) coordinate value, using either
3993 // m_defaultRowHeight/m_defaultColWidth or binary search on array
3994 // of m_rowBottoms/m_ColRights to speed up the search!
3995
3996 // Internal helper macros for simpler use of that function
3997
3998 static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
3999                            const wxArrayInt& BorderArray, int nMax,
4000                            bool clipToMinMax);
4001
4002 #define internalXToCol(x) CoordToRowOrCol(x, m_defaultColWidth, \
4003                                           m_minAcceptableColWidth, \
4004                                           m_colRights, m_numCols, true)
4005 #define internalYToRow(y) CoordToRowOrCol(y, m_defaultRowHeight, \
4006                                           m_minAcceptableRowHeight, \
4007                                           m_rowBottoms, m_numRows, true)
4008 /////////////////////////////////////////////////////////////////////
4009
4010 #if wxUSE_EXTENDED_RTTI
4011 WX_DEFINE_FLAGS( wxGridStyle )
4012
4013 wxBEGIN_FLAGS( wxGridStyle )
4014     // new style border flags, we put them first to
4015     // use them for streaming out
4016     wxFLAGS_MEMBER(wxBORDER_SIMPLE)
4017     wxFLAGS_MEMBER(wxBORDER_SUNKEN)
4018     wxFLAGS_MEMBER(wxBORDER_DOUBLE)
4019     wxFLAGS_MEMBER(wxBORDER_RAISED)
4020     wxFLAGS_MEMBER(wxBORDER_STATIC)
4021     wxFLAGS_MEMBER(wxBORDER_NONE)
4022
4023     // old style border flags
4024     wxFLAGS_MEMBER(wxSIMPLE_BORDER)
4025     wxFLAGS_MEMBER(wxSUNKEN_BORDER)
4026     wxFLAGS_MEMBER(wxDOUBLE_BORDER)
4027     wxFLAGS_MEMBER(wxRAISED_BORDER)
4028     wxFLAGS_MEMBER(wxSTATIC_BORDER)
4029     wxFLAGS_MEMBER(wxBORDER)
4030
4031     // standard window styles
4032     wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
4033     wxFLAGS_MEMBER(wxCLIP_CHILDREN)
4034     wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
4035     wxFLAGS_MEMBER(wxWANTS_CHARS)
4036     wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
4037     wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
4038     wxFLAGS_MEMBER(wxVSCROLL)
4039     wxFLAGS_MEMBER(wxHSCROLL)
4040
4041 wxEND_FLAGS( wxGridStyle )
4042
4043 IMPLEMENT_DYNAMIC_CLASS_XTI(wxGrid, wxScrolledWindow,"wx/grid.h")
4044
4045 wxBEGIN_PROPERTIES_TABLE(wxGrid)
4046     wxHIDE_PROPERTY( Children )
4047     wxPROPERTY_FLAGS( WindowStyle , wxGridStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE, 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
4048 wxEND_PROPERTIES_TABLE()
4049
4050 wxBEGIN_HANDLERS_TABLE(wxGrid)
4051 wxEND_HANDLERS_TABLE()
4052
4053 wxCONSTRUCTOR_5( wxGrid , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size , long , WindowStyle )
4054
4055 /*
4056  TODO : Expose more information of a list's layout etc. via appropriate objects (\81à la NotebookPageInfo)
4057 */
4058 #else
4059 IMPLEMENT_DYNAMIC_CLASS( wxGrid, wxScrolledWindow )
4060 #endif
4061
4062 BEGIN_EVENT_TABLE( wxGrid, wxScrolledWindow )
4063     EVT_PAINT( wxGrid::OnPaint )
4064     EVT_SIZE( wxGrid::OnSize )
4065     EVT_KEY_DOWN( wxGrid::OnKeyDown )
4066     EVT_KEY_UP( wxGrid::OnKeyUp )
4067     EVT_CHAR ( wxGrid::OnChar )
4068     EVT_ERASE_BACKGROUND( wxGrid::OnEraseBackground )
4069 END_EVENT_TABLE()
4070
4071 wxGrid::wxGrid()
4072 {
4073     // in order to make sure that a size event is not
4074     // trigerred in a unfinished state
4075     m_cornerLabelWin = NULL;
4076     m_rowLabelWin = NULL;
4077     m_colLabelWin = NULL;
4078     m_gridWin = NULL;
4079 }
4080
4081 wxGrid::wxGrid( wxWindow *parent,
4082                  wxWindowID id,
4083                  const wxPoint& pos,
4084                  const wxSize& size,
4085                  long style,
4086                  const wxString& name )
4087   : wxScrolledWindow( parent, id, pos, size, (style | wxWANTS_CHARS), name ),
4088     m_colMinWidths(GRID_HASH_SIZE),
4089     m_rowMinHeights(GRID_HASH_SIZE)
4090 {
4091     Create();
4092     SetBestFittingSize(size);
4093 }
4094
4095 bool wxGrid::Create(wxWindow *parent, wxWindowID id,
4096                           const wxPoint& pos, const wxSize& size,
4097                           long style, const wxString& name)
4098 {
4099     if (!wxScrolledWindow::Create(parent, id, pos, size,
4100                                   style | wxWANTS_CHARS , name))
4101         return false;
4102
4103     m_colMinWidths = wxLongToLongHashMap(GRID_HASH_SIZE);
4104     m_rowMinHeights = wxLongToLongHashMap(GRID_HASH_SIZE);
4105
4106     Create();
4107     SetBestFittingSize(size);
4108
4109     return true;
4110 }
4111
4112 wxGrid::~wxGrid()
4113 {
4114     // Must do this or ~wxScrollHelper will pop the wrong event handler
4115     SetTargetWindow(this);
4116     ClearAttrCache();
4117     wxSafeDecRef(m_defaultCellAttr);
4118
4119 #ifdef DEBUG_ATTR_CACHE
4120     size_t total = gs_nAttrCacheHits + gs_nAttrCacheMisses;
4121     wxPrintf(_T("wxGrid attribute cache statistics: "
4122                 "total: %u, hits: %u (%u%%)\n"),
4123              total, gs_nAttrCacheHits,
4124              total ? (gs_nAttrCacheHits*100) / total : 0);
4125 #endif
4126
4127     if (m_ownTable)
4128         delete m_table;
4129
4130     delete m_typeRegistry;
4131     delete m_selection;
4132 }
4133
4134 //
4135 // ----- internal init and update functions
4136 //
4137
4138 // NOTE: If using the default visual attributes works everywhere then this can
4139 // be removed as well as the #else cases below.
4140 #define _USE_VISATTR 0
4141
4142 #if _USE_VISATTR
4143 #include "wx/listbox.h"
4144 #endif
4145
4146 void wxGrid::Create()
4147 {
4148     m_created = false;    // set to true by CreateGrid
4149
4150     m_table        = (wxGridTableBase *) NULL;
4151     m_ownTable     = false;
4152
4153     m_cellEditCtrlEnabled = false;
4154
4155     m_defaultCellAttr = new wxGridCellAttr();
4156
4157     // Set default cell attributes
4158     m_defaultCellAttr->SetDefAttr(m_defaultCellAttr);
4159     m_defaultCellAttr->SetKind(wxGridCellAttr::Default);
4160     m_defaultCellAttr->SetFont(GetFont());
4161     m_defaultCellAttr->SetAlignment(wxALIGN_LEFT, wxALIGN_TOP);
4162     m_defaultCellAttr->SetRenderer(new wxGridCellStringRenderer);
4163     m_defaultCellAttr->SetEditor(new wxGridCellTextEditor);
4164
4165 #if _USE_VISATTR
4166     wxVisualAttributes gva = wxListBox::GetClassDefaultAttributes();
4167     wxVisualAttributes lva = wxPanel::GetClassDefaultAttributes();
4168
4169     m_defaultCellAttr->SetTextColour(gva.colFg);
4170     m_defaultCellAttr->SetBackgroundColour(gva.colBg);
4171
4172 #else
4173     m_defaultCellAttr->SetTextColour(
4174         wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
4175     m_defaultCellAttr->SetBackgroundColour(
4176         wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
4177 #endif
4178
4179     m_numRows = 0;
4180     m_numCols = 0;
4181     m_currentCellCoords = wxGridNoCellCoords;
4182
4183     m_rowLabelWidth = WXGRID_DEFAULT_ROW_LABEL_WIDTH;
4184     m_colLabelHeight = WXGRID_DEFAULT_COL_LABEL_HEIGHT;
4185
4186     // create the type registry
4187     m_typeRegistry = new wxGridTypeRegistry;
4188     m_selection = NULL;
4189
4190     // subwindow components that make up the wxGrid
4191     m_cornerLabelWin = new wxGridCornerLabelWindow( this,
4192                                                     wxID_ANY,
4193                                                     wxDefaultPosition,
4194                                                     wxDefaultSize );
4195
4196     m_rowLabelWin = new wxGridRowLabelWindow( this,
4197                                               wxID_ANY,
4198                                               wxDefaultPosition,
4199                                               wxDefaultSize );
4200
4201     m_colLabelWin = new wxGridColLabelWindow( this,
4202                                               wxID_ANY,
4203                                               wxDefaultPosition,
4204                                               wxDefaultSize );
4205
4206     m_gridWin = new wxGridWindow( this,
4207                                   m_rowLabelWin,
4208                                   m_colLabelWin,
4209                                   wxID_ANY,
4210                                   wxDefaultPosition,
4211                                   wxDefaultSize );
4212
4213     SetTargetWindow( m_gridWin );
4214
4215 #if _USE_VISATTR
4216     wxColour gfg = gva.colFg;
4217     wxColour gbg = gva.colBg;
4218     wxColour lfg = lva.colFg;
4219     wxColour lbg = lva.colBg;
4220 #else
4221     wxColour gfg = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOWTEXT );
4222     wxColour gbg = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOW );
4223     wxColour lfg = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOWTEXT );
4224     wxColour lbg = wxSystemSettings::GetColour( wxSYS_COLOUR_BTNFACE );
4225 #endif
4226
4227     m_cornerLabelWin->SetOwnForegroundColour(lfg);
4228     m_cornerLabelWin->SetOwnBackgroundColour(lbg);
4229     m_rowLabelWin->SetOwnForegroundColour(lfg);
4230     m_rowLabelWin->SetOwnBackgroundColour(lbg);
4231     m_colLabelWin->SetOwnForegroundColour(lfg);
4232     m_colLabelWin->SetOwnBackgroundColour(lbg);
4233
4234     m_gridWin->SetOwnForegroundColour(gfg);
4235     m_gridWin->SetOwnBackgroundColour(gbg);
4236
4237     Init();
4238 }
4239
4240 bool wxGrid::CreateGrid( int numRows, int numCols,
4241                          wxGrid::wxGridSelectionModes selmode )
4242 {
4243     wxCHECK_MSG( !m_created,
4244                  false,
4245                  wxT("wxGrid::CreateGrid or wxGrid::SetTable called more than once") );
4246
4247     m_numRows = numRows;
4248     m_numCols = numCols;
4249
4250     m_table = new wxGridStringTable( m_numRows, m_numCols );
4251     m_table->SetView( this );
4252     m_ownTable = true;
4253     m_selection = new wxGridSelection( this, selmode );
4254
4255     CalcDimensions();
4256
4257     m_created = true;
4258
4259     return m_created;
4260 }
4261
4262 void wxGrid::SetSelectionMode(wxGrid::wxGridSelectionModes selmode)
4263 {
4264     wxCHECK_RET( m_created,
4265                  wxT("Called wxGrid::SetSelectionMode() before calling CreateGrid()") );
4266
4267     m_selection->SetSelectionMode( selmode );
4268 }
4269
4270 wxGrid::wxGridSelectionModes wxGrid::GetSelectionMode() const
4271 {
4272     wxCHECK_MSG( m_created, wxGrid::wxGridSelectCells,
4273                  wxT("Called wxGrid::GetSelectionMode() before calling CreateGrid()") );
4274
4275     return m_selection->GetSelectionMode();
4276 }
4277
4278 bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership,
4279                        wxGrid::wxGridSelectionModes selmode )
4280 {
4281     if ( m_created )
4282     {
4283         // stop all processing
4284         m_created = false;
4285
4286         if (m_ownTable)
4287         {
4288             wxGridTableBase *t=m_table;
4289             m_table=0;
4290             delete t;
4291         }
4292
4293         delete m_selection;
4294
4295         m_table = 0;
4296         m_selection = 0;
4297         m_numRows = 0;
4298         m_numCols = 0;
4299     }
4300
4301     if (table)
4302     {
4303         m_numRows = table->GetNumberRows();
4304         m_numCols = table->GetNumberCols();
4305
4306         m_table = table;
4307         m_table->SetView( this );
4308         m_ownTable = takeOwnership;
4309         m_selection = new wxGridSelection( this, selmode );
4310
4311         CalcDimensions();
4312
4313         m_created = true;
4314     }
4315
4316     return m_created;
4317 }
4318
4319 void wxGrid::Init()
4320 {
4321     m_rowLabelWidth  = WXGRID_DEFAULT_ROW_LABEL_WIDTH;
4322     m_colLabelHeight = WXGRID_DEFAULT_COL_LABEL_HEIGHT;
4323
4324     if ( m_rowLabelWin )
4325     {
4326         m_labelBackgroundColour = m_rowLabelWin->GetBackgroundColour();
4327     }
4328     else
4329     {
4330         m_labelBackgroundColour = wxColour( _T("WHITE") );
4331     }
4332
4333     m_labelTextColour = wxColour( _T("BLACK") );
4334
4335     // init attr cache
4336     m_attrCache.row = -1;
4337     m_attrCache.col = -1;
4338     m_attrCache.attr = NULL;
4339
4340     // TODO: something better than this ?
4341     //
4342     m_labelFont = this->GetFont();
4343     m_labelFont.SetWeight( wxBOLD );
4344
4345     m_rowLabelHorizAlign = wxALIGN_CENTRE;
4346     m_rowLabelVertAlign  = wxALIGN_CENTRE;
4347
4348     m_colLabelHorizAlign = wxALIGN_CENTRE;
4349     m_colLabelVertAlign  = wxALIGN_CENTRE;
4350     m_colLabelTextOrientation = wxHORIZONTAL;
4351
4352     m_defaultColWidth  = WXGRID_DEFAULT_COL_WIDTH;
4353     m_defaultRowHeight = m_gridWin->GetCharHeight();
4354
4355     m_minAcceptableColWidth  = WXGRID_MIN_COL_WIDTH;
4356     m_minAcceptableRowHeight = WXGRID_MIN_ROW_HEIGHT;
4357
4358 #if defined(__WXMOTIF__) || defined(__WXGTK__)  // see also text ctrl sizing in ShowCellEditControl()
4359     m_defaultRowHeight += 8;
4360 #else
4361     m_defaultRowHeight += 4;
4362 #endif
4363
4364     m_gridLineColour = wxColour( 192,192,192 );
4365     m_gridLinesEnabled = true;
4366     m_cellHighlightColour = *wxBLACK;
4367     m_cellHighlightPenWidth = 2;
4368     m_cellHighlightROPenWidth = 1;
4369
4370     m_cursorMode  = WXGRID_CURSOR_SELECT_CELL;
4371     m_winCapture = (wxWindow *)NULL;
4372     m_canDragRowSize = true;
4373     m_canDragColSize = true;
4374     m_canDragGridSize = true;
4375     m_canDragCell = false;
4376     m_dragLastPos  = -1;
4377     m_dragRowOrCol = -1;
4378     m_isDragging = false;
4379     m_startDragPos = wxDefaultPosition;
4380
4381     m_waitForSlowClick = false;
4382
4383     m_rowResizeCursor = wxCursor( wxCURSOR_SIZENS );
4384     m_colResizeCursor = wxCursor( wxCURSOR_SIZEWE );
4385
4386     m_currentCellCoords = wxGridNoCellCoords;
4387
4388     m_selectingTopLeft = wxGridNoCellCoords;
4389     m_selectingBottomRight = wxGridNoCellCoords;
4390     m_selectionBackground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
4391     m_selectionForeground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
4392
4393     m_editable = true;  // default for whole grid
4394
4395     m_inOnKeyDown = false;
4396     m_batchCount = 0;
4397
4398     m_extraWidth =
4399     m_extraHeight = 0;
4400
4401     m_scrollLineX = GRID_SCROLL_LINE_X;
4402     m_scrollLineY = GRID_SCROLL_LINE_Y;
4403 }
4404
4405 // ----------------------------------------------------------------------------
4406 // the idea is to call these functions only when necessary because they create
4407 // quite big arrays which eat memory mostly unnecessary - in particular, if
4408 // default widths/heights are used for all rows/columns, we may not use these
4409 // arrays at all
4410 //
4411 // with some extra code, it should be possible to only store the
4412 // widths/heights different from default ones but this will be done later...
4413 // ----------------------------------------------------------------------------
4414
4415 void wxGrid::InitRowHeights()
4416 {
4417     m_rowHeights.Empty();
4418     m_rowBottoms.Empty();
4419
4420     m_rowHeights.Alloc( m_numRows );
4421     m_rowBottoms.Alloc( m_numRows );
4422
4423     int rowBottom = 0;
4424
4425     m_rowHeights.Add( m_defaultRowHeight, m_numRows );
4426
4427     for ( int i = 0;  i < m_numRows;  i++ )
4428     {
4429         rowBottom += m_defaultRowHeight;
4430         m_rowBottoms.Add( rowBottom );
4431     }
4432 }
4433
4434 void wxGrid::InitColWidths()
4435 {
4436     m_colWidths.Empty();
4437     m_colRights.Empty();
4438
4439     m_colWidths.Alloc( m_numCols );
4440     m_colRights.Alloc( m_numCols );
4441     int colRight = 0;
4442
4443     m_colWidths.Add( m_defaultColWidth, m_numCols );
4444
4445     for ( int i = 0;  i < m_numCols;  i++ )
4446     {
4447         colRight += m_defaultColWidth;
4448         m_colRights.Add( colRight );
4449     }
4450 }
4451
4452 int wxGrid::GetColWidth(int col) const
4453 {
4454     return m_colWidths.IsEmpty() ? m_defaultColWidth : m_colWidths[col];
4455 }
4456
4457 int wxGrid::GetColLeft(int col) const
4458 {
4459     return m_colRights.IsEmpty() ? col * m_defaultColWidth
4460                                  : m_colRights[col] - m_colWidths[col];
4461 }
4462
4463 int wxGrid::GetColRight(int col) const
4464 {
4465     return m_colRights.IsEmpty() ? (col + 1) * m_defaultColWidth
4466                                  : m_colRights[col];
4467 }
4468
4469 int wxGrid::GetRowHeight(int row) const
4470 {
4471     return m_rowHeights.IsEmpty() ? m_defaultRowHeight : m_rowHeights[row];
4472 }
4473
4474 int wxGrid::GetRowTop(int row) const
4475 {
4476     return m_rowBottoms.IsEmpty() ? row * m_defaultRowHeight
4477                                   : m_rowBottoms[row] - m_rowHeights[row];
4478 }
4479
4480 int wxGrid::GetRowBottom(int row) const
4481 {
4482     return m_rowBottoms.IsEmpty() ? (row + 1) * m_defaultRowHeight
4483                                   : m_rowBottoms[row];
4484 }
4485
4486 void wxGrid::CalcDimensions()
4487 {
4488     int cw, ch;
4489     GetClientSize( &cw, &ch );
4490
4491     if ( m_rowLabelWin->IsShown() )
4492         cw -= m_rowLabelWidth;
4493     if ( m_colLabelWin->IsShown() )
4494         ch -= m_colLabelHeight;
4495
4496     // grid total size
4497     int w = m_numCols > 0 ? GetColRight(m_numCols - 1) + m_extraWidth + 1 : 0;
4498     int h = m_numRows > 0 ? GetRowBottom(m_numRows - 1) + m_extraHeight + 1 : 0;
4499
4500     // take into account editor if shown
4501     if ( IsCellEditControlShown() )
4502     {
4503       int w2, h2;
4504       int r = m_currentCellCoords.GetRow();
4505       int c = m_currentCellCoords.GetCol();
4506       int x = GetColLeft(c);
4507       int y = GetRowTop(r);
4508
4509       // how big is the editor
4510       wxGridCellAttr* attr = GetCellAttr(r, c);
4511       wxGridCellEditor* editor = attr->GetEditor(this, r, c);
4512       editor->GetControl()->GetSize(&w2, &h2);
4513       w2 += x;
4514       h2 += y;
4515       if ( w2 > w )
4516           w = w2;
4517       if ( h2 > h )
4518           h = h2;
4519       editor->DecRef();
4520       attr->DecRef();
4521     }
4522
4523     // preserve (more or less) the previous position
4524     int x, y;
4525     GetViewStart( &x, &y );
4526
4527     // ensure the position is valid for the new scroll ranges
4528     if ( x >= w )
4529         x = wxMax( w - 1, 0 );
4530     if ( y >= h )
4531         y = wxMax( h - 1, 0 );
4532
4533     // do set scrollbar parameters
4534     SetScrollbars( m_scrollLineX, m_scrollLineY,
4535                    GetScrollX(w), GetScrollY(h), x, y,
4536                    GetBatchCount() != 0);
4537
4538     // if our OnSize() hadn't been called (it would if we have scrollbars), we
4539     // still must reposition the children
4540     CalcWindowSizes();
4541 }
4542
4543
4544 void wxGrid::CalcWindowSizes()
4545 {
4546     // escape if the window is has not been fully created yet
4547
4548     if ( m_cornerLabelWin == NULL )
4549         return;
4550
4551     int cw, ch;
4552     GetClientSize( &cw, &ch );
4553
4554     if ( m_cornerLabelWin && m_cornerLabelWin->IsShown() )
4555         m_cornerLabelWin->SetSize( 0, 0, m_rowLabelWidth, m_colLabelHeight );
4556
4557     if (  m_colLabelWin && m_colLabelWin->IsShown() )
4558         m_colLabelWin->SetSize( m_rowLabelWidth, 0, cw-m_rowLabelWidth, m_colLabelHeight);
4559
4560     if ( m_rowLabelWin && m_rowLabelWin->IsShown() )
4561         m_rowLabelWin->SetSize( 0, m_colLabelHeight, m_rowLabelWidth, ch-m_colLabelHeight);
4562
4563     if ( m_gridWin && m_gridWin->IsShown() )
4564         m_gridWin->SetSize( m_rowLabelWidth, m_colLabelHeight, cw-m_rowLabelWidth, ch-m_colLabelHeight);
4565 }
4566
4567
4568 // this is called when the grid table sends a message to say that it
4569 // has been redimensioned
4570 //
4571 bool wxGrid::Redimension( wxGridTableMessage& msg )
4572 {
4573     int i;
4574     bool result = false;
4575
4576     // Clear the attribute cache as the attribute might refer to a different
4577     // cell than stored in the cache after adding/removing rows/columns.
4578     ClearAttrCache();
4579
4580     // By the same reasoning, the editor should be dismissed if columns are
4581     // added or removed. And for consistency, it should IMHO always be
4582     // removed, not only if the cell "underneath" it actually changes.
4583     // For now, I intentionally do not save the editor's content as the
4584     // cell it might want to save that stuff to might no longer exist.
4585     HideCellEditControl();
4586
4587 #if 0
4588     // if we were using the default widths/heights so far, we must change them
4589     // now
4590     if ( m_colWidths.IsEmpty() )
4591     {
4592         InitColWidths();
4593     }
4594
4595     if ( m_rowHeights.IsEmpty() )
4596     {
4597         InitRowHeights();
4598     }
4599 #endif
4600
4601     switch ( msg.GetId() )
4602     {
4603         case wxGRIDTABLE_NOTIFY_ROWS_INSERTED:
4604         {
4605             size_t pos = msg.GetCommandInt();
4606             int numRows = msg.GetCommandInt2();
4607
4608             m_numRows += numRows;
4609
4610             if ( !m_rowHeights.IsEmpty() )
4611             {
4612                 m_rowHeights.Insert( m_defaultRowHeight, pos, numRows );
4613                 m_rowBottoms.Insert( 0, pos, numRows );
4614
4615                 int bottom = 0;
4616                 if ( pos > 0 )
4617                     bottom = m_rowBottoms[pos - 1];
4618
4619                 for ( i = pos;  i < m_numRows;  i++ )
4620                 {
4621                     bottom += m_rowHeights[i];
4622                     m_rowBottoms[i] = bottom;
4623                 }
4624             }
4625
4626             if ( m_currentCellCoords == wxGridNoCellCoords )
4627             {
4628                 // if we have just inserted cols into an empty grid the current
4629                 // cell will be undefined...
4630                 //
4631                 SetCurrentCell( 0, 0 );
4632             }
4633
4634             if ( m_selection )
4635                 m_selection->UpdateRows( pos, numRows );
4636             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
4637             if (attrProvider)
4638                 attrProvider->UpdateAttrRows( pos, numRows );
4639
4640             if ( !GetBatchCount() )
4641             {
4642                 CalcDimensions();
4643                 m_rowLabelWin->Refresh();
4644             }
4645         }
4646         result = true;
4647         break;
4648
4649         case wxGRIDTABLE_NOTIFY_ROWS_APPENDED:
4650         {
4651             int numRows = msg.GetCommandInt();
4652             int oldNumRows = m_numRows;
4653             m_numRows += numRows;
4654
4655             if ( !m_rowHeights.IsEmpty() )
4656             {
4657                 m_rowHeights.Add( m_defaultRowHeight, numRows );
4658                 m_rowBottoms.Add( 0, numRows );
4659
4660                 int bottom = 0;
4661                 if ( oldNumRows > 0 )
4662                     bottom = m_rowBottoms[oldNumRows - 1];
4663
4664                 for ( i = oldNumRows;  i < m_numRows;  i++ )
4665                 {
4666                     bottom += m_rowHeights[i];
4667                     m_rowBottoms[i] = bottom;
4668                 }
4669             }
4670
4671             if ( m_currentCellCoords == wxGridNoCellCoords )
4672             {
4673                 // if we have just inserted cols into an empty grid the current
4674                 // cell will be undefined...
4675                 //
4676                 SetCurrentCell( 0, 0 );
4677             }
4678
4679             if ( !GetBatchCount() )
4680             {
4681                 CalcDimensions();
4682                 m_rowLabelWin->Refresh();
4683             }
4684         }
4685         result = true;
4686         break;
4687
4688         case wxGRIDTABLE_NOTIFY_ROWS_DELETED:
4689         {
4690             size_t pos = msg.GetCommandInt();
4691             int numRows = msg.GetCommandInt2();
4692             m_numRows -= numRows;
4693
4694             if ( !m_rowHeights.IsEmpty() )
4695             {
4696                 m_rowHeights.RemoveAt( pos, numRows );
4697                 m_rowBottoms.RemoveAt( pos, numRows );
4698
4699                 int h = 0;
4700                 for ( i = 0;  i < m_numRows;  i++ )
4701                 {
4702                     h += m_rowHeights[i];
4703                     m_rowBottoms[i] = h;
4704                 }
4705             }
4706             if ( !m_numRows )
4707             {
4708                 m_currentCellCoords = wxGridNoCellCoords;
4709             }
4710             else
4711             {
4712                 if ( m_currentCellCoords.GetRow() >= m_numRows )
4713                     m_currentCellCoords.Set( 0, 0 );
4714             }
4715
4716             if ( m_selection )
4717                 m_selection->UpdateRows( pos, -((int)numRows) );
4718             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
4719             if (attrProvider)
4720             {
4721                 attrProvider->UpdateAttrRows( pos, -((int)numRows) );
4722 // ifdef'd out following patch from Paul Gammans
4723 #if 0
4724                 // No need to touch column attributes, unless we
4725                 // removed _all_ rows, in this case, we remove
4726                 // all column attributes.
4727                 // I hate to do this here, but the
4728                 // needed data is not available inside UpdateAttrRows.
4729                 if ( !GetNumberRows() )
4730                     attrProvider->UpdateAttrCols( 0, -GetNumberCols() );
4731 #endif
4732             }
4733             if ( !GetBatchCount() )
4734             {
4735                 CalcDimensions();
4736                 m_rowLabelWin->Refresh();
4737             }
4738         }
4739         result = true;
4740         break;
4741
4742         case wxGRIDTABLE_NOTIFY_COLS_INSERTED:
4743         {
4744             size_t pos = msg.GetCommandInt();
4745             int numCols = msg.GetCommandInt2();
4746             m_numCols += numCols;
4747
4748             if ( !m_colWidths.IsEmpty() )
4749             {
4750                 m_colWidths.Insert( m_defaultColWidth, pos, numCols );
4751                 m_colRights.Insert( 0, pos, numCols );
4752
4753                 int right = 0;
4754                 if ( pos > 0 )
4755                     right = m_colRights[pos - 1];
4756
4757                 for ( i = pos;  i < m_numCols;  i++ )
4758                 {
4759                     right += m_colWidths[i];
4760                     m_colRights[i] = right;
4761                 }
4762             }
4763
4764             if ( m_currentCellCoords == wxGridNoCellCoords )
4765             {
4766                 // if we have just inserted cols into an empty grid the current
4767                 // cell will be undefined...
4768                 //
4769                 SetCurrentCell( 0, 0 );
4770             }
4771
4772             if ( m_selection )
4773                 m_selection->UpdateCols( pos, numCols );
4774             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
4775             if (attrProvider)
4776                 attrProvider->UpdateAttrCols( pos, numCols );
4777             if ( !GetBatchCount() )
4778             {
4779                 CalcDimensions();
4780                 m_colLabelWin->Refresh();
4781             }
4782
4783         }
4784         result = true;
4785         break;
4786
4787         case wxGRIDTABLE_NOTIFY_COLS_APPENDED:
4788         {
4789             int numCols = msg.GetCommandInt();
4790             int oldNumCols = m_numCols;
4791             m_numCols += numCols;
4792             if ( !m_colWidths.IsEmpty() )
4793             {
4794                 m_colWidths.Add( m_defaultColWidth, numCols );
4795                 m_colRights.Add( 0, numCols );
4796
4797                 int right = 0;
4798                 if ( oldNumCols > 0 )
4799                     right = m_colRights[oldNumCols - 1];
4800
4801                 for ( i = oldNumCols;  i < m_numCols;  i++ )
4802                 {
4803                     right += m_colWidths[i];
4804                     m_colRights[i] = right;
4805                 }
4806             }
4807
4808             if ( m_currentCellCoords == wxGridNoCellCoords )
4809             {
4810                 // if we have just inserted cols into an empty grid the current
4811                 // cell will be undefined...
4812                 //
4813                 SetCurrentCell( 0, 0 );
4814             }
4815             if ( !GetBatchCount() )
4816             {
4817                 CalcDimensions();
4818                 m_colLabelWin->Refresh();
4819             }
4820         }
4821         result = true;
4822         break;
4823
4824         case wxGRIDTABLE_NOTIFY_COLS_DELETED:
4825         {
4826             size_t pos = msg.GetCommandInt();
4827             int numCols = msg.GetCommandInt2();
4828             m_numCols -= numCols;
4829
4830             if ( !m_colWidths.IsEmpty() )
4831             {
4832                 m_colWidths.RemoveAt( pos, numCols );
4833                 m_colRights.RemoveAt( pos, numCols );
4834
4835                 int w = 0;
4836                 for ( i = 0;  i < m_numCols;  i++ )
4837                 {
4838                     w += m_colWidths[i];
4839                     m_colRights[i] = w;
4840                 }
4841             }
4842
4843             if ( !m_numCols )
4844             {
4845                 m_currentCellCoords = wxGridNoCellCoords;
4846             }
4847             else
4848             {
4849                 if ( m_currentCellCoords.GetCol() >= m_numCols )
4850                   m_currentCellCoords.Set( 0, 0 );
4851             }
4852
4853             if ( m_selection )
4854                 m_selection->UpdateCols( pos, -((int)numCols) );
4855             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
4856             if (attrProvider)
4857             {
4858                 attrProvider->UpdateAttrCols( pos, -((int)numCols) );
4859 // ifdef'd out following patch from Paul Gammans
4860 #if 0
4861                 // No need to touch row attributes, unless we
4862                 // removed _all_ columns, in this case, we remove
4863                 // all row attributes.
4864                 // I hate to do this here, but the
4865                 // needed data is not available inside UpdateAttrCols.
4866                 if ( !GetNumberCols() )
4867                     attrProvider->UpdateAttrRows( 0, -GetNumberRows() );
4868 #endif
4869             }
4870             if ( !GetBatchCount() )
4871             {
4872                 CalcDimensions();
4873                 m_colLabelWin->Refresh();
4874             }
4875         }
4876         result = true;
4877         break;
4878     }
4879
4880     if (result && !GetBatchCount() )
4881         m_gridWin->Refresh();
4882
4883     return result;
4884 }
4885
4886 wxArrayInt wxGrid::CalcRowLabelsExposed( const wxRegion& reg )
4887 {
4888     wxRegionIterator iter( reg );
4889     wxRect r;
4890
4891     wxArrayInt  rowlabels;
4892
4893     int top, bottom;
4894     while ( iter )
4895     {
4896         r = iter.GetRect();
4897
4898         // TODO: remove this when we can...
4899         // There is a bug in wxMotif that gives garbage update
4900         // rectangles if you jump-scroll a long way by clicking the
4901         // scrollbar with middle button.  This is a work-around
4902         //
4903 #if defined(__WXMOTIF__)
4904         int cw, ch;
4905         m_gridWin->GetClientSize( &cw, &ch );
4906         if ( r.GetTop() > ch ) r.SetTop( 0 );
4907         r.SetBottom( wxMin( r.GetBottom(), ch ) );
4908 #endif
4909
4910         // logical bounds of update region
4911         //
4912         int dummy;
4913         CalcUnscrolledPosition( 0, r.GetTop(), &dummy, &top );
4914         CalcUnscrolledPosition( 0, r.GetBottom(), &dummy, &bottom );
4915
4916         // find the row labels within these bounds
4917         //
4918         int row;
4919         for ( row = internalYToRow(top);  row < m_numRows;  row++ )
4920         {
4921             if ( GetRowBottom(row) < top )
4922                 continue;
4923
4924             if ( GetRowTop(row) > bottom )
4925                 break;
4926
4927             rowlabels.Add( row );
4928         }
4929
4930         ++iter;
4931     }
4932
4933     return rowlabels;
4934 }
4935
4936 wxArrayInt wxGrid::CalcColLabelsExposed( const wxRegion& reg )
4937 {
4938     wxRegionIterator iter( reg );
4939     wxRect r;
4940
4941     wxArrayInt colLabels;
4942
4943     int left, right;
4944     while ( iter )
4945     {
4946         r = iter.GetRect();
4947
4948         // TODO: remove this when we can...
4949         // There is a bug in wxMotif that gives garbage update
4950         // rectangles if you jump-scroll a long way by clicking the
4951         // scrollbar with middle button.  This is a work-around
4952         //
4953 #if defined(__WXMOTIF__)
4954         int cw, ch;
4955         m_gridWin->GetClientSize( &cw, &ch );
4956         if ( r.GetLeft() > cw ) r.SetLeft( 0 );
4957         r.SetRight( wxMin( r.GetRight(), cw ) );
4958 #endif
4959
4960         // logical bounds of update region
4961         //
4962         int dummy;
4963         CalcUnscrolledPosition( r.GetLeft(), 0, &left, &dummy );
4964         CalcUnscrolledPosition( r.GetRight(), 0, &right, &dummy );
4965
4966         // find the cells within these bounds
4967         //
4968         int col;
4969         for ( col = internalXToCol(left);  col < m_numCols;  col++ )
4970         {
4971             if ( GetColRight(col) < left )
4972                 continue;
4973
4974             if ( GetColLeft(col) > right )
4975                 break;
4976
4977             colLabels.Add( col );
4978         }
4979
4980         ++iter;
4981     }
4982
4983     return colLabels;
4984 }
4985
4986 wxGridCellCoordsArray wxGrid::CalcCellsExposed( const wxRegion& reg )
4987 {
4988     wxRegionIterator iter( reg );
4989     wxRect r;
4990
4991     wxGridCellCoordsArray  cellsExposed;
4992
4993     int left, top, right, bottom;
4994     while ( iter )
4995     {
4996         r = iter.GetRect();
4997
4998         // TODO: remove this when we can...
4999         // There is a bug in wxMotif that gives garbage update
5000         // rectangles if you jump-scroll a long way by clicking the
5001         // scrollbar with middle button.  This is a work-around
5002         //
5003 #if defined(__WXMOTIF__)
5004         int cw, ch;
5005         m_gridWin->GetClientSize( &cw, &ch );
5006         if ( r.GetTop() > ch ) r.SetTop( 0 );
5007         if ( r.GetLeft() > cw ) r.SetLeft( 0 );
5008         r.SetRight( wxMin( r.GetRight(), cw ) );
5009         r.SetBottom( wxMin( r.GetBottom(), ch ) );
5010 #endif
5011
5012         // logical bounds of update region
5013         //
5014         CalcUnscrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
5015         CalcUnscrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
5016
5017         // find the cells within these bounds
5018         //
5019         int row, col;
5020         for ( row = internalYToRow(top);  row < m_numRows;  row++ )
5021         {
5022             if ( GetRowBottom(row) <= top )
5023                 continue;
5024
5025             if ( GetRowTop(row) > bottom )
5026                 break;
5027
5028             for ( col = internalXToCol(left);  col < m_numCols;  col++ )
5029             {
5030                 if ( GetColRight(col) <= left )
5031                     continue;
5032
5033                 if ( GetColLeft(col) > right )
5034                     break;
5035
5036                 cellsExposed.Add( wxGridCellCoords( row, col ) );
5037             }
5038         }
5039
5040         ++iter;
5041     }
5042
5043     return cellsExposed;
5044 }
5045
5046
5047 void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
5048 {
5049     int x, y, row;
5050     wxPoint pos( event.GetPosition() );
5051     CalcUnscrolledPosition( pos.x, pos.y, &x, &y );
5052
5053     if ( event.Dragging() )
5054     {
5055         if (!m_isDragging)
5056         {
5057             m_isDragging = true;
5058             m_rowLabelWin->CaptureMouse();
5059         }
5060
5061         if ( event.LeftIsDown() )
5062         {
5063             switch ( m_cursorMode )
5064             {
5065                 case WXGRID_CURSOR_RESIZE_ROW:
5066                 {
5067                     int cw, ch, left, dummy;
5068                     m_gridWin->GetClientSize( &cw, &ch );
5069                     CalcUnscrolledPosition( 0, 0, &left, &dummy );
5070
5071                     wxClientDC dc( m_gridWin );
5072                     PrepareDC( dc );
5073                     y = wxMax( y,
5074                                GetRowTop(m_dragRowOrCol) +
5075                                GetRowMinimalHeight(m_dragRowOrCol) );
5076                     dc.SetLogicalFunction(wxINVERT);
5077                     if ( m_dragLastPos >= 0 )
5078                     {
5079                         dc.DrawLine( left, m_dragLastPos, left+cw, m_dragLastPos );
5080                     }
5081                     dc.DrawLine( left, y, left+cw, y );
5082                     m_dragLastPos = y;
5083                 }
5084                 break;
5085
5086                 case WXGRID_CURSOR_SELECT_ROW:
5087                 {
5088                     if ( (row = YToRow( y )) >= 0 )
5089                     {
5090                         if ( m_selection )
5091                         {
5092                             m_selection->SelectRow( row,
5093                                                     event.ControlDown(),
5094                                                     event.ShiftDown(),
5095                                                     event.AltDown(),
5096                                                     event.MetaDown() );
5097                         }
5098                     }
5099                 }
5100                 break;
5101
5102                 // default label to suppress warnings about "enumeration value
5103                 // 'xxx' not handled in switch
5104                 default:
5105                     break;
5106             }
5107         }
5108         return;
5109     }
5110
5111     if ( m_isDragging && (event.Entering() || event.Leaving()) )
5112         return;
5113
5114     if (m_isDragging)
5115     {
5116         if (m_rowLabelWin->HasCapture()) m_rowLabelWin->ReleaseMouse();
5117         m_isDragging = false;
5118     }
5119
5120     // ------------ Entering or leaving the window
5121     //
5122     if ( event.Entering() || event.Leaving() )
5123     {
5124         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin);
5125     }
5126
5127     // ------------ Left button pressed
5128     //
5129     else if ( event.LeftDown() )
5130     {
5131         // don't send a label click event for a hit on the
5132         // edge of the row label - this is probably the user
5133         // wanting to resize the row
5134         //
5135         if ( YToEdgeOfRow(y) < 0 )
5136         {
5137             row = YToRow(y);
5138             if ( row >= 0 &&
5139                  !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, row, -1, event ) )
5140             {
5141                 if ( !event.ShiftDown() && !event.CmdDown() )
5142                     ClearSelection();
5143                 if ( m_selection )
5144                 {
5145                     if ( event.ShiftDown() )
5146                     {
5147                         m_selection->SelectBlock( m_currentCellCoords.GetRow(),
5148                                                   0,
5149                                                   row,
5150                                                   GetNumberCols() - 1,
5151                                                   event.ControlDown(),
5152                                                   event.ShiftDown(),
5153                                                   event.AltDown(),
5154                                                   event.MetaDown() );
5155                     }
5156                     else
5157                     {
5158                         m_selection->SelectRow( row,
5159                                                 event.ControlDown(),
5160                                                 event.ShiftDown(),
5161                                                 event.AltDown(),
5162                                                 event.MetaDown() );
5163                     }
5164                 }
5165
5166                 ChangeCursorMode(WXGRID_CURSOR_SELECT_ROW, m_rowLabelWin);
5167             }
5168         }
5169         else
5170         {
5171             // starting to drag-resize a row
5172             //
5173             if ( CanDragRowSize() )
5174                 ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, m_rowLabelWin);
5175         }
5176     }
5177
5178     // ------------ Left double click
5179     //
5180     else if (event.LeftDClick() )
5181     {
5182         row = YToEdgeOfRow(y);
5183         if ( row < 0 )
5184         {
5185             row = YToRow(y);
5186             if ( row >=0 &&
5187                  !SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, row, -1, event ) )
5188             {
5189                 // no default action at the moment
5190             }
5191         }
5192         else
5193         {
5194             // adjust row height depending on label text
5195             AutoSizeRowLabelSize( row );
5196
5197             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin);
5198             m_dragLastPos  = -1;
5199         }
5200     }
5201
5202     // ------------ Left button released
5203     //
5204     else if ( event.LeftUp() )
5205     {
5206         if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
5207         {
5208             DoEndDragResizeRow();
5209
5210             // Note: we are ending the event *after* doing
5211             // default processing in this case
5212             //
5213             SendEvent( wxEVT_GRID_ROW_SIZE, m_dragRowOrCol, -1, event );
5214         }
5215
5216         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin);
5217         m_dragLastPos = -1;
5218     }
5219
5220     // ------------ Right button down
5221     //
5222     else if ( event.RightDown() )
5223     {
5224         row = YToRow(y);
5225         if ( row >=0 &&
5226              !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, row, -1, event ) )
5227         {
5228             // no default action at the moment
5229         }
5230     }
5231
5232     // ------------ Right double click
5233     //
5234     else if ( event.RightDClick() )
5235     {
5236         row = YToRow(y);
5237         if ( row >= 0 &&
5238              !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, row, -1, event ) )
5239         {
5240             // no default action at the moment
5241         }
5242     }
5243
5244     // ------------ No buttons down and mouse moving
5245     //
5246     else if ( event.Moving() )
5247     {
5248         m_dragRowOrCol = YToEdgeOfRow( y );
5249         if ( m_dragRowOrCol >= 0 )
5250         {
5251             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5252             {
5253                 // don't capture the mouse yet
5254                 if ( CanDragRowSize() )
5255                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, m_rowLabelWin, false);
5256             }
5257         }
5258         else if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
5259         {
5260             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin, false);
5261         }
5262     }
5263 }
5264
5265 void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
5266 {
5267     int x, y, col;
5268     wxPoint pos( event.GetPosition() );
5269     CalcUnscrolledPosition( pos.x, pos.y, &x, &y );
5270
5271     if ( event.Dragging() )
5272     {
5273         if (!m_isDragging)
5274         {
5275             m_isDragging = true;
5276             m_colLabelWin->CaptureMouse();
5277         }
5278
5279         if ( event.LeftIsDown() )
5280         {
5281             switch ( m_cursorMode )
5282             {
5283                 case WXGRID_CURSOR_RESIZE_COL:
5284                 {
5285                     int cw, ch, dummy, top;
5286                     m_gridWin->GetClientSize( &cw, &ch );
5287                     CalcUnscrolledPosition( 0, 0, &dummy, &top );
5288
5289                     wxClientDC dc( m_gridWin );
5290                     PrepareDC( dc );
5291
5292                     x = wxMax( x, GetColLeft(m_dragRowOrCol) +
5293                                   GetColMinimalWidth(m_dragRowOrCol));
5294                     dc.SetLogicalFunction(wxINVERT);
5295                     if ( m_dragLastPos >= 0 )
5296                     {
5297                         dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top+ch );
5298                     }
5299                     dc.DrawLine( x, top, x, top+ch );
5300                     m_dragLastPos = x;
5301                 }
5302                 break;
5303
5304                 case WXGRID_CURSOR_SELECT_COL:
5305                 {
5306                     if ( (col = XToCol( x )) >= 0 )
5307                     {
5308                         if ( m_selection )
5309                         {
5310                             m_selection->SelectCol( col,
5311                                                     event.ControlDown(),
5312                                                     event.ShiftDown(),
5313                                                     event.AltDown(),
5314                                                     event.MetaDown() );
5315                         }
5316                     }
5317                 }
5318                 break;
5319
5320                 // default label to suppress warnings about "enumeration value
5321                 // 'xxx' not handled in switch
5322                 default:
5323                     break;
5324             }
5325         }
5326         return;
5327     }
5328
5329     if ( m_isDragging && (event.Entering() || event.Leaving()) )
5330         return;
5331
5332     if (m_isDragging)
5333     {
5334         if (m_colLabelWin->HasCapture()) m_colLabelWin->ReleaseMouse();
5335         m_isDragging = false;
5336     }
5337
5338     // ------------ Entering or leaving the window
5339     //
5340     if ( event.Entering() || event.Leaving() )
5341     {
5342         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin);
5343     }
5344
5345     // ------------ Left button pressed
5346     //
5347     else if ( event.LeftDown() )
5348     {
5349         // don't send a label click event for a hit on the
5350         // edge of the col label - this is probably the user
5351         // wanting to resize the col
5352         //
5353         if ( XToEdgeOfCol(x) < 0 )
5354         {
5355             col = XToCol(x);
5356             if ( col >= 0 &&
5357                  !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, -1, col, event ) )
5358             {
5359                 if ( !event.ShiftDown() && !event.CmdDown() )
5360                     ClearSelection();
5361                 if ( m_selection )
5362                 {
5363                     if ( event.ShiftDown() )
5364                     {
5365                         m_selection->SelectBlock( 0,
5366                                                   m_currentCellCoords.GetCol(),
5367                                                   GetNumberRows() - 1, col,
5368                                                   event.ControlDown(),
5369                                                   event.ShiftDown(),
5370                                                   event.AltDown(),
5371                                                   event.MetaDown() );
5372                     }
5373                     else
5374                     {
5375                         m_selection->SelectCol( col,
5376                                                 event.ControlDown(),
5377                                                 event.ShiftDown(),
5378                                                 event.AltDown(),
5379                                                 event.MetaDown() );
5380                     }
5381                 }
5382
5383                 ChangeCursorMode(WXGRID_CURSOR_SELECT_COL, m_colLabelWin);
5384             }
5385         }
5386         else
5387         {
5388             // starting to drag-resize a col
5389             //
5390             if ( CanDragColSize() )
5391                 ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, m_colLabelWin);
5392         }
5393     }
5394
5395     // ------------ Left double click
5396     //
5397     if ( event.LeftDClick() )
5398     {
5399         col = XToEdgeOfCol(x);
5400         if ( col < 0 )
5401         {
5402             col = XToCol(x);
5403             if ( col >= 0 &&
5404                  ! SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, -1, col, event ) )
5405             {
5406                 // no default action at the moment
5407             }
5408         }
5409         else
5410         {
5411             // adjust column width depending on label text
5412             AutoSizeColLabelSize( col );
5413
5414             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin);
5415             m_dragLastPos  = -1;
5416         }
5417     }
5418
5419     // ------------ Left button released
5420     //
5421     else if ( event.LeftUp() )
5422     {
5423         if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL )
5424         {
5425             DoEndDragResizeCol();
5426
5427             // Note: we are ending the event *after* doing
5428             // default processing in this case
5429             //
5430             SendEvent( wxEVT_GRID_COL_SIZE, -1, m_dragRowOrCol, event );
5431         }
5432
5433         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin);
5434         m_dragLastPos  = -1;
5435     }
5436
5437     // ------------ Right button down
5438     //
5439     else if ( event.RightDown() )
5440     {
5441         col = XToCol(x);
5442         if ( col >= 0 &&
5443              !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, -1, col, event ) )
5444         {
5445             // no default action at the moment
5446         }
5447     }
5448
5449     // ------------ Right double click
5450     //
5451     else if ( event.RightDClick() )
5452     {
5453         col = XToCol(x);
5454         if ( col >= 0 &&
5455              !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, -1, col, event ) )
5456         {
5457             // no default action at the moment
5458         }
5459     }
5460
5461     // ------------ No buttons down and mouse moving
5462     //
5463     else if ( event.Moving() )
5464     {
5465         m_dragRowOrCol = XToEdgeOfCol( x );
5466         if ( m_dragRowOrCol >= 0 )
5467         {
5468             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5469             {
5470                 // don't capture the cursor yet
5471                 if ( CanDragColSize() )
5472                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, m_colLabelWin, false);
5473             }
5474         }
5475         else if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
5476         {
5477             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin, false);
5478         }
5479     }
5480 }
5481
5482 void wxGrid::ProcessCornerLabelMouseEvent( wxMouseEvent& event )
5483 {
5484     if ( event.LeftDown() )
5485     {
5486         // indicate corner label by having both row and
5487         // col args == -1
5488         //
5489         if ( !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, -1, -1, event ) )
5490         {
5491             SelectAll();
5492         }
5493     }
5494     else if ( event.LeftDClick() )
5495     {
5496         SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, -1, -1, event );
5497     }
5498     else if ( event.RightDown() )
5499     {
5500         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, -1, -1, event ) )
5501         {
5502             // no default action at the moment
5503         }
5504     }
5505     else if ( event.RightDClick() )
5506     {
5507         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, -1, -1, event ) )
5508         {
5509             // no default action at the moment
5510         }
5511     }
5512 }
5513
5514 void wxGrid::ChangeCursorMode(CursorMode mode,
5515                               wxWindow *win,
5516                               bool captureMouse)
5517 {
5518 #ifdef __WXDEBUG__
5519     static const wxChar *cursorModes[] =
5520     {
5521         _T("SELECT_CELL"),
5522         _T("RESIZE_ROW"),
5523         _T("RESIZE_COL"),
5524         _T("SELECT_ROW"),
5525         _T("SELECT_COL")
5526     };
5527
5528     wxLogTrace(_T("grid"),
5529                _T("wxGrid cursor mode (mouse capture for %s): %s -> %s"),
5530                win == m_colLabelWin ? _T("colLabelWin")
5531                                     : win ? _T("rowLabelWin")
5532                                           : _T("gridWin"),
5533                cursorModes[m_cursorMode], cursorModes[mode]);
5534 #endif
5535
5536     if ( mode == m_cursorMode &&
5537          win == m_winCapture &&
5538          captureMouse == (m_winCapture != NULL))
5539         return;
5540
5541     if ( !win )
5542     {
5543         // by default use the grid itself
5544         win = m_gridWin;
5545     }
5546
5547     if ( m_winCapture )
5548     {
5549         if (m_winCapture->HasCapture())
5550             m_winCapture->ReleaseMouse();
5551         m_winCapture = (wxWindow *)NULL;
5552     }
5553
5554     m_cursorMode = mode;
5555
5556     switch ( m_cursorMode )
5557     {
5558         case WXGRID_CURSOR_RESIZE_ROW:
5559             win->SetCursor( m_rowResizeCursor );
5560             break;
5561
5562         case WXGRID_CURSOR_RESIZE_COL:
5563             win->SetCursor( m_colResizeCursor );
5564             break;
5565
5566         default:
5567             win->SetCursor( *wxSTANDARD_CURSOR );
5568             break;
5569     }
5570
5571     // we need to capture mouse when resizing
5572     bool resize = m_cursorMode == WXGRID_CURSOR_RESIZE_ROW ||
5573                   m_cursorMode == WXGRID_CURSOR_RESIZE_COL;
5574
5575     if ( captureMouse && resize )
5576     {
5577         win->CaptureMouse();
5578         m_winCapture = win;
5579     }
5580 }
5581
5582 void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
5583 {
5584     int x, y;
5585     wxPoint pos( event.GetPosition() );
5586     CalcUnscrolledPosition( pos.x, pos.y, &x, &y );
5587
5588     wxGridCellCoords coords;
5589     XYToCell( x, y, coords );
5590
5591     int cell_rows, cell_cols;
5592     bool isFirstDrag = !m_isDragging;
5593     GetCellSize( coords.GetRow(), coords.GetCol(), &cell_rows, &cell_cols );
5594     if ((cell_rows < 0) || (cell_cols < 0))
5595     {
5596         coords.SetRow(coords.GetRow() + cell_rows);
5597         coords.SetCol(coords.GetCol() + cell_cols);
5598     }
5599
5600     if ( event.Dragging() )
5601     {
5602         //wxLogDebug("pos(%d, %d) coords(%d, %d)", pos.x, pos.y, coords.GetRow(), coords.GetCol());
5603
5604         // Don't start doing anything until the mouse has been dragged at
5605         // least 3 pixels in any direction...
5606         if (! m_isDragging)
5607         {
5608             if (m_startDragPos == wxDefaultPosition)
5609             {
5610                 m_startDragPos = pos;
5611                 return;
5612             }
5613             if (abs(m_startDragPos.x - pos.x) < 4 && abs(m_startDragPos.y - pos.y) < 4)
5614                 return;
5615         }
5616
5617         m_isDragging = true;
5618         if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5619         {
5620             // Hide the edit control, so it
5621             // won't interfere with drag-shrinking.
5622             if ( IsCellEditControlShown() )
5623             {
5624                 HideCellEditControl();
5625                 SaveEditControlValue();
5626             }
5627
5628             // Have we captured the mouse yet?
5629             if (! m_winCapture)
5630             {
5631                 m_winCapture = m_gridWin;
5632                 m_winCapture->CaptureMouse();
5633             }
5634
5635             if ( coords != wxGridNoCellCoords )
5636             {
5637                 if ( event.CmdDown() )
5638                 {
5639                     if ( m_selectingKeyboard == wxGridNoCellCoords)
5640                         m_selectingKeyboard = coords;
5641                     HighlightBlock ( m_selectingKeyboard, coords );
5642                 }
5643                 else if ( CanDragCell() )
5644                 {
5645                     if ( isFirstDrag )
5646                     {
5647                         if ( m_selectingKeyboard == wxGridNoCellCoords)
5648                             m_selectingKeyboard = coords;
5649
5650                         SendEvent( wxEVT_GRID_CELL_BEGIN_DRAG,
5651                                    coords.GetRow(),
5652                                    coords.GetCol(),
5653                                    event );
5654                     }
5655                 }
5656                 else
5657                 {
5658                     if ( !IsSelection() )
5659                     {
5660                         HighlightBlock( coords, coords );
5661                     }
5662                     else
5663                     {
5664                         HighlightBlock( m_currentCellCoords, coords );
5665                     }
5666                 }
5667
5668                 if (! IsVisible(coords))
5669                 {
5670                     MakeCellVisible(coords);
5671                     // TODO: need to introduce a delay or something here.  The
5672                     // scrolling is way to fast, at least on MSW - also on GTK.
5673                 }
5674             }
5675         }
5676         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
5677         {
5678             int cw, ch, left, dummy;
5679             m_gridWin->GetClientSize( &cw, &ch );
5680             CalcUnscrolledPosition( 0, 0, &left, &dummy );
5681
5682             wxClientDC dc( m_gridWin );
5683             PrepareDC( dc );
5684             y = wxMax( y, GetRowTop(m_dragRowOrCol) +
5685                           GetRowMinimalHeight(m_dragRowOrCol) );
5686             dc.SetLogicalFunction(wxINVERT);
5687             if ( m_dragLastPos >= 0 )
5688             {
5689                 dc.DrawLine( left, m_dragLastPos, left+cw, m_dragLastPos );
5690             }
5691             dc.DrawLine( left, y, left+cw, y );
5692             m_dragLastPos = y;
5693         }
5694         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL )
5695         {
5696             int cw, ch, dummy, top;
5697             m_gridWin->GetClientSize( &cw, &ch );
5698             CalcUnscrolledPosition( 0, 0, &dummy, &top );
5699
5700             wxClientDC dc( m_gridWin );
5701             PrepareDC( dc );
5702             x = wxMax( x, GetColLeft(m_dragRowOrCol) +
5703                           GetColMinimalWidth(m_dragRowOrCol) );
5704             dc.SetLogicalFunction(wxINVERT);
5705             if ( m_dragLastPos >= 0 )
5706             {
5707                 dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top+ch );
5708             }
5709             dc.DrawLine( x, top, x, top+ch );
5710             m_dragLastPos = x;
5711         }
5712
5713         return;
5714     }
5715
5716     m_isDragging = false;
5717     m_startDragPos = wxDefaultPosition;
5718
5719     // VZ: if we do this, the mode is reset to WXGRID_CURSOR_SELECT_CELL
5720     //     immediately after it becomes WXGRID_CURSOR_RESIZE_ROW/COL under
5721     //     wxGTK
5722 #if 0
5723     if ( event.Entering() || event.Leaving() )
5724     {
5725         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5726         m_gridWin->SetCursor( *wxSTANDARD_CURSOR );
5727     }
5728     else
5729 #endif // 0
5730
5731     // ------------ Left button pressed
5732     //
5733     if ( event.LeftDown() && coords != wxGridNoCellCoords )
5734     {
5735         if ( !SendEvent( wxEVT_GRID_CELL_LEFT_CLICK,
5736                        coords.GetRow(),
5737                        coords.GetCol(),
5738                        event ) )
5739         {
5740             if ( !event.CmdDown() )
5741                 ClearSelection();
5742             if ( event.ShiftDown() )
5743             {
5744                 if ( m_selection )
5745                 {
5746                     m_selection->SelectBlock( m_currentCellCoords.GetRow(),
5747                                               m_currentCellCoords.GetCol(),
5748                                               coords.GetRow(),
5749                                               coords.GetCol(),
5750                                               event.ControlDown(),
5751                                               event.ShiftDown(),
5752                                               event.AltDown(),
5753                                               event.MetaDown() );
5754                 }
5755             }
5756             else if ( XToEdgeOfCol(x) < 0 &&
5757                       YToEdgeOfRow(y) < 0 )
5758             {
5759                 DisableCellEditControl();
5760                 MakeCellVisible( coords );
5761
5762                 if ( event.CmdDown() )
5763                 {
5764                     if ( m_selection )
5765                     {
5766                         m_selection->ToggleCellSelection( coords.GetRow(),
5767                                                           coords.GetCol(),
5768                                                           event.ControlDown(),
5769                                                           event.ShiftDown(),
5770                                                           event.AltDown(),
5771                                                           event.MetaDown() );
5772                     }
5773                     m_selectingTopLeft = wxGridNoCellCoords;
5774                     m_selectingBottomRight = wxGridNoCellCoords;
5775                     m_selectingKeyboard = coords;
5776                 }
5777                 else
5778                 {
5779                     m_waitForSlowClick = m_currentCellCoords == coords && coords != wxGridNoCellCoords;
5780                     SetCurrentCell( coords );
5781                     if ( m_selection )
5782                     {
5783                         if ( m_selection->GetSelectionMode() !=
5784                                 wxGrid::wxGridSelectCells )
5785                         {
5786                             HighlightBlock( coords, coords );
5787                         }
5788                     }
5789                 }
5790             }
5791         }
5792     }
5793
5794
5795     // ------------ Left double click
5796     //
5797     else if ( event.LeftDClick() && coords != wxGridNoCellCoords )
5798     {
5799         DisableCellEditControl();
5800
5801         if ( XToEdgeOfCol(x) < 0 && YToEdgeOfRow(y) < 0 )
5802         {
5803             if ( !SendEvent( wxEVT_GRID_CELL_LEFT_DCLICK,
5804                              coords.GetRow(),
5805                              coords.GetCol(),
5806                              event ) )
5807             {
5808                 // we want double click to select a cell and start editing
5809                 // (i.e. to behave in same way as sequence of two slow clicks):
5810                 m_waitForSlowClick = true;
5811             }
5812         }
5813     }
5814
5815
5816     // ------------ Left button released
5817     //
5818     else if ( event.LeftUp() )
5819     {
5820         if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5821         {
5822             if (m_winCapture)
5823             {
5824                 if (m_winCapture->HasCapture())
5825                     m_winCapture->ReleaseMouse();
5826                 m_winCapture = NULL;
5827             }
5828
5829             if ( coords == m_currentCellCoords && m_waitForSlowClick && CanEnableCellControl() )
5830             {
5831                 ClearSelection();
5832                 EnableCellEditControl();
5833
5834                 wxGridCellAttr *attr = GetCellAttr(coords);
5835                 wxGridCellEditor *editor = attr->GetEditor(this, coords.GetRow(), coords.GetCol());
5836                 editor->StartingClick();
5837                 editor->DecRef();
5838                 attr->DecRef();
5839
5840                 m_waitForSlowClick = false;
5841             }
5842             else if ( m_selectingTopLeft != wxGridNoCellCoords &&
5843                  m_selectingBottomRight != wxGridNoCellCoords )
5844             {
5845                 if ( m_selection )
5846                 {
5847                     m_selection->SelectBlock( m_selectingTopLeft.GetRow(),
5848                                               m_selectingTopLeft.GetCol(),
5849                                               m_selectingBottomRight.GetRow(),
5850                                               m_selectingBottomRight.GetCol(),
5851                                               event.ControlDown(),
5852                                               event.ShiftDown(),
5853                                               event.AltDown(),
5854                                               event.MetaDown() );
5855                 }
5856
5857                 m_selectingTopLeft = wxGridNoCellCoords;
5858                 m_selectingBottomRight = wxGridNoCellCoords;
5859
5860                 // Show the edit control, if it has been hidden for
5861                 // drag-shrinking.
5862                 ShowCellEditControl();
5863             }
5864         }
5865         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
5866         {
5867             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5868             DoEndDragResizeRow();
5869
5870             // Note: we are ending the event *after* doing
5871             // default processing in this case
5872             //
5873             SendEvent( wxEVT_GRID_ROW_SIZE, m_dragRowOrCol, -1, event );
5874         }
5875         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL )
5876         {
5877             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5878             DoEndDragResizeCol();
5879
5880             // Note: we are ending the event *after* doing
5881             // default processing in this case
5882             //
5883             SendEvent( wxEVT_GRID_COL_SIZE, -1, m_dragRowOrCol, event );
5884         }
5885
5886         m_dragLastPos = -1;
5887     }
5888
5889     // ------------ Right button down
5890     //
5891     else if ( event.RightDown() && coords != wxGridNoCellCoords )
5892     {
5893         DisableCellEditControl();
5894         if ( !SendEvent( wxEVT_GRID_CELL_RIGHT_CLICK,
5895                          coords.GetRow(),
5896                          coords.GetCol(),
5897                          event ) )
5898         {
5899             // no default action at the moment
5900         }
5901     }
5902
5903     // ------------ Right double click
5904     //
5905     else if ( event.RightDClick() && coords != wxGridNoCellCoords )
5906     {
5907         DisableCellEditControl();
5908         if ( !SendEvent( wxEVT_GRID_CELL_RIGHT_DCLICK,
5909                          coords.GetRow(),
5910                          coords.GetCol(),
5911                          event ) )
5912         {
5913             // no default action at the moment
5914         }
5915     }
5916
5917     // ------------ Moving and no button action
5918     //
5919     else if ( event.Moving() && !event.IsButton() )
5920     {
5921         if ( coords.GetRow() < 0 || coords.GetCol() < 0 )
5922         {
5923             // out of grid cell area
5924             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5925             return;
5926         }
5927
5928         int dragRow = YToEdgeOfRow( y );
5929         int dragCol = XToEdgeOfCol( x );
5930
5931         // Dragging on the corner of a cell to resize in both
5932         // directions is not implemented yet...
5933         //
5934         if ( dragRow >= 0 && dragCol >= 0 )
5935         {
5936             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5937             return;
5938         }
5939
5940         if ( dragRow >= 0 )
5941         {
5942             m_dragRowOrCol = dragRow;
5943
5944             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5945             {
5946                 if ( CanDragRowSize() && CanDragGridSize() )
5947                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW);
5948             }
5949         }
5950         else if ( dragCol >= 0 )
5951         {
5952             m_dragRowOrCol = dragCol;
5953
5954             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5955             {
5956                 if ( CanDragColSize() && CanDragGridSize() )
5957                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL);
5958             }
5959         }
5960         else // Neither on a row or col edge
5961         {
5962             if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
5963             {
5964                 ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5965             }
5966         }
5967     }
5968 }
5969
5970 void wxGrid::DoEndDragResizeRow()
5971 {
5972     if ( m_dragLastPos >= 0 )
5973     {
5974         // erase the last line and resize the row
5975         //
5976         int cw, ch, left, dummy;
5977         m_gridWin->GetClientSize( &cw, &ch );
5978         CalcUnscrolledPosition( 0, 0, &left, &dummy );
5979
5980         wxClientDC dc( m_gridWin );
5981         PrepareDC( dc );
5982         dc.SetLogicalFunction( wxINVERT );
5983         dc.DrawLine( left, m_dragLastPos, left+cw, m_dragLastPos );
5984         HideCellEditControl();
5985         SaveEditControlValue();
5986
5987         int rowTop = GetRowTop(m_dragRowOrCol);
5988         SetRowSize( m_dragRowOrCol,
5989                     wxMax( m_dragLastPos - rowTop, m_minAcceptableRowHeight ) );
5990
5991         if ( !GetBatchCount() )
5992         {
5993             // Only needed to get the correct rect.y:
5994             wxRect rect ( CellToRect( m_dragRowOrCol, 0 ) );
5995             rect.x = 0;
5996             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
5997             rect.width = m_rowLabelWidth;
5998             rect.height = ch - rect.y;
5999             m_rowLabelWin->Refresh( true, &rect );
6000             rect.width = cw;
6001             // if there is a multicell block, paint all of it
6002             if (m_table)
6003             {
6004                 int i, cell_rows, cell_cols, subtract_rows = 0;
6005                 int leftCol = XToCol(left);
6006                 int rightCol = internalXToCol(left+cw);
6007                 if (leftCol >= 0)
6008                 {
6009                     for (i=leftCol; i<rightCol; i++)
6010                     {
6011                         GetCellSize(m_dragRowOrCol, i, &cell_rows, &cell_cols);
6012                         if (cell_rows < subtract_rows)
6013                             subtract_rows = cell_rows;
6014                     }
6015                     rect.y = GetRowTop(m_dragRowOrCol + subtract_rows);
6016                     CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
6017                     rect.height = ch - rect.y;
6018                 }
6019             }
6020             m_gridWin->Refresh( false, &rect );
6021         }
6022
6023         ShowCellEditControl();
6024     }
6025 }
6026
6027
6028 void wxGrid::DoEndDragResizeCol()
6029 {
6030     if ( m_dragLastPos >= 0 )
6031     {
6032         // erase the last line and resize the col
6033         //
6034         int cw, ch, dummy, top;
6035         m_gridWin->GetClientSize( &cw, &ch );
6036         CalcUnscrolledPosition( 0, 0, &dummy, &top );
6037
6038         wxClientDC dc( m_gridWin );
6039         PrepareDC( dc );
6040         dc.SetLogicalFunction( wxINVERT );
6041         dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top+ch );
6042         HideCellEditControl();
6043         SaveEditControlValue();
6044
6045         int colLeft = GetColLeft(m_dragRowOrCol);
6046         SetColSize( m_dragRowOrCol,
6047                     wxMax( m_dragLastPos - colLeft,
6048                            GetColMinimalWidth(m_dragRowOrCol) ) );
6049
6050         if ( !GetBatchCount() )
6051         {
6052             // Only needed to get the correct rect.x:
6053             wxRect rect ( CellToRect( 0, m_dragRowOrCol ) );
6054             rect.y = 0;
6055             CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
6056             rect.width = cw - rect.x;
6057             rect.height = m_colLabelHeight;
6058             m_colLabelWin->Refresh( true, &rect );
6059             rect.height = ch;
6060
6061             // if there is a multicell block, paint all of it
6062             if (m_table)
6063             {
6064                 int i, cell_rows, cell_cols, subtract_cols = 0;
6065                 int topRow = YToRow(top);
6066                 int bottomRow = internalYToRow(top+cw);
6067                 if (topRow >= 0)
6068                 {
6069                     for (i=topRow; i<bottomRow; i++)
6070                     {
6071                         GetCellSize(i, m_dragRowOrCol, &cell_rows, &cell_cols);
6072                         if (cell_cols < subtract_cols)
6073                             subtract_cols = cell_cols;
6074                     }
6075                     rect.x = GetColLeft(m_dragRowOrCol + subtract_cols);
6076                     CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
6077                     rect.width = cw - rect.x;
6078                 }
6079             }
6080
6081             m_gridWin->Refresh( false, &rect );
6082         }
6083
6084         ShowCellEditControl();
6085     }
6086 }
6087
6088 //
6089 // ------ interaction with data model
6090 //
6091 bool wxGrid::ProcessTableMessage( wxGridTableMessage& msg )
6092 {
6093     switch ( msg.GetId() )
6094     {
6095         case wxGRIDTABLE_REQUEST_VIEW_GET_VALUES:
6096             return GetModelValues();
6097
6098         case wxGRIDTABLE_REQUEST_VIEW_SEND_VALUES:
6099             return SetModelValues();
6100
6101         case wxGRIDTABLE_NOTIFY_ROWS_INSERTED:
6102         case wxGRIDTABLE_NOTIFY_ROWS_APPENDED:
6103         case wxGRIDTABLE_NOTIFY_ROWS_DELETED:
6104         case wxGRIDTABLE_NOTIFY_COLS_INSERTED:
6105         case wxGRIDTABLE_NOTIFY_COLS_APPENDED:
6106         case wxGRIDTABLE_NOTIFY_COLS_DELETED:
6107             return Redimension( msg );
6108
6109         default:
6110             return false;
6111     }
6112 }
6113
6114 // The behaviour of this function depends on the grid table class
6115 // Clear() function.  For the default wxGridStringTable class the
6116 // behavious is to replace all cell contents with wxEmptyString but
6117 // not to change the number of rows or cols.
6118 //
6119 void wxGrid::ClearGrid()
6120 {
6121     if ( m_table )
6122     {
6123         if (IsCellEditControlEnabled())
6124             DisableCellEditControl();
6125
6126         m_table->Clear();
6127         if ( !GetBatchCount() ) m_gridWin->Refresh();
6128     }
6129 }
6130
6131 bool wxGrid::InsertRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
6132 {
6133     // TODO: something with updateLabels flag
6134
6135     if ( !m_created )
6136     {
6137         wxFAIL_MSG( wxT("Called wxGrid::InsertRows() before calling CreateGrid()") );
6138         return false;
6139     }
6140
6141     if ( m_table )
6142     {
6143         if (IsCellEditControlEnabled())
6144             DisableCellEditControl();
6145
6146         bool done = m_table->InsertRows( pos, numRows );
6147         return done;
6148
6149         // the table will have sent the results of the insert row
6150         // operation to this view object as a grid table message
6151     }
6152     return false;
6153 }
6154
6155 bool wxGrid::AppendRows( int numRows, bool WXUNUSED(updateLabels) )
6156 {
6157     // TODO: something with updateLabels flag
6158
6159     if ( !m_created )
6160     {
6161         wxFAIL_MSG( wxT("Called wxGrid::AppendRows() before calling CreateGrid()") );
6162         return false;
6163     }
6164
6165     if ( m_table )
6166     {
6167         bool done = m_table && m_table->AppendRows( numRows );
6168         return done;
6169         // the table will have sent the results of the append row
6170         // operation to this view object as a grid table message
6171     }
6172     return false;
6173 }
6174
6175 bool wxGrid::DeleteRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
6176 {
6177     // TODO: something with updateLabels flag
6178
6179     if ( !m_created )
6180     {
6181         wxFAIL_MSG( wxT("Called wxGrid::DeleteRows() before calling CreateGrid()") );
6182         return false;
6183     }
6184
6185     if ( m_table )
6186     {
6187         if (IsCellEditControlEnabled())
6188             DisableCellEditControl();
6189
6190         bool done = m_table->DeleteRows( pos, numRows );
6191         return done;
6192         // the table will have sent the results of the delete row
6193         // operation to this view object as a grid table message
6194     }
6195     return false;
6196 }
6197
6198 bool wxGrid::InsertCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
6199 {
6200     // TODO: something with updateLabels flag
6201
6202     if ( !m_created )
6203     {
6204         wxFAIL_MSG( wxT("Called wxGrid::InsertCols() before calling CreateGrid()") );
6205         return false;
6206     }
6207
6208     if ( m_table )
6209     {
6210         if (IsCellEditControlEnabled())
6211             DisableCellEditControl();
6212
6213         bool done = m_table->InsertCols( pos, numCols );
6214         return done;
6215         // the table will have sent the results of the insert col
6216         // operation to this view object as a grid table message
6217     }
6218
6219     return false;
6220 }
6221
6222 bool wxGrid::AppendCols( int numCols, bool WXUNUSED(updateLabels) )
6223 {
6224     // TODO: something with updateLabels flag
6225
6226     if ( !m_created )
6227     {
6228         wxFAIL_MSG( wxT("Called wxGrid::AppendCols() before calling CreateGrid()") );
6229         return false;
6230     }
6231
6232     if ( m_table )
6233     {
6234         bool done = m_table->AppendCols( numCols );
6235         return done;
6236         // the table will have sent the results of the append col
6237         // operation to this view object as a grid table message
6238     }
6239
6240     return false;
6241 }
6242
6243 bool wxGrid::DeleteCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
6244 {
6245     // TODO: something with updateLabels flag
6246
6247     if ( !m_created )
6248     {
6249         wxFAIL_MSG( wxT("Called wxGrid::DeleteCols() before calling CreateGrid()") );
6250         return false;
6251     }
6252
6253     if ( m_table )
6254     {
6255         if (IsCellEditControlEnabled())
6256             DisableCellEditControl();
6257
6258         bool done = m_table->DeleteCols( pos, numCols );
6259         return done;
6260         // the table will have sent the results of the delete col
6261         // operation to this view object as a grid table message
6262     }
6263
6264     return false;
6265 }
6266
6267 //
6268 // ----- event handlers
6269 //
6270
6271 // Generate a grid event based on a mouse event and
6272 // return the result of ProcessEvent()
6273 //
6274 int wxGrid::SendEvent( const wxEventType type,
6275                         int row, int col,
6276                         wxMouseEvent& mouseEv )
6277 {
6278    bool claimed, vetoed;
6279
6280    if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE )
6281    {
6282        int rowOrCol = (row == -1 ? col : row);
6283
6284        wxGridSizeEvent gridEvt( GetId(),
6285                type,
6286                this,
6287                rowOrCol,
6288                mouseEv.GetX() + GetRowLabelSize(),
6289                mouseEv.GetY() + GetColLabelSize(),
6290                mouseEv.ControlDown(),
6291                mouseEv.ShiftDown(),
6292                mouseEv.AltDown(),
6293                mouseEv.MetaDown() );
6294
6295        claimed = GetEventHandler()->ProcessEvent(gridEvt);
6296        vetoed = !gridEvt.IsAllowed();
6297    }
6298    else if ( type == wxEVT_GRID_RANGE_SELECT )
6299    {
6300        // Right now, it should _never_ end up here!
6301        wxGridRangeSelectEvent gridEvt( GetId(),
6302                type,
6303                this,
6304                m_selectingTopLeft,
6305                m_selectingBottomRight,
6306                true,
6307                mouseEv.ControlDown(),
6308                mouseEv.ShiftDown(),
6309                mouseEv.AltDown(),
6310                mouseEv.MetaDown() );
6311
6312        claimed = GetEventHandler()->ProcessEvent(gridEvt);
6313        vetoed = !gridEvt.IsAllowed();
6314    }
6315    else
6316    {
6317        wxGridEvent gridEvt( GetId(),
6318                type,
6319                this,
6320                row, col,
6321                mouseEv.GetX() + GetRowLabelSize(),
6322                mouseEv.GetY() + GetColLabelSize(),
6323                false,
6324                mouseEv.ControlDown(),
6325                mouseEv.ShiftDown(),
6326                mouseEv.AltDown(),
6327                mouseEv.MetaDown() );
6328        claimed = GetEventHandler()->ProcessEvent(gridEvt);
6329        vetoed = !gridEvt.IsAllowed();
6330    }
6331
6332    // A Veto'd event may not be `claimed' so test this first
6333    if (vetoed)
6334        return -1;
6335
6336    return claimed ? 1 : 0;
6337 }
6338
6339 // Generate a grid event of specified type and return the result
6340 // of ProcessEvent().
6341 //
6342 int wxGrid::SendEvent( const wxEventType type,
6343                         int row, int col )
6344 {
6345    bool claimed;
6346    bool vetoed;
6347
6348     if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE )
6349     {
6350         int rowOrCol = (row == -1 ? col : row);
6351
6352         wxGridSizeEvent gridEvt( GetId(),
6353                                  type,
6354                                  this,
6355                                  rowOrCol );
6356
6357         claimed = GetEventHandler()->ProcessEvent(gridEvt);
6358         vetoed  = !gridEvt.IsAllowed();
6359     }
6360     else
6361     {
6362         wxGridEvent gridEvt( GetId(),
6363                              type,
6364                              this,
6365                              row, col );
6366
6367         claimed = GetEventHandler()->ProcessEvent(gridEvt);
6368         vetoed  = !gridEvt.IsAllowed();
6369      }
6370
6371     // A Veto'd event may not be `claimed' so test this first
6372     if (vetoed)
6373         return -1;
6374
6375     return claimed ? 1 : 0;
6376 }
6377
6378 void wxGrid::OnPaint( wxPaintEvent& WXUNUSED(event) )
6379 {
6380     wxPaintDC dc(this);  // needed to prevent zillions of paint events on MSW
6381 }
6382
6383 void wxGrid::Refresh(bool eraseb, const wxRect* rect)
6384 {
6385     // Don't do anything if between Begin/EndBatch...
6386     // EndBatch() will do all this on the last nested one anyway.
6387     if (! GetBatchCount())
6388     {
6389         // Refresh to get correct scrolled position:
6390         wxScrolledWindow::Refresh(eraseb, rect);
6391
6392         if (rect)
6393         {
6394             int rect_x, rect_y, rectWidth, rectHeight;
6395             int width_label, width_cell, height_label, height_cell;
6396             int x, y;
6397
6398             // Copy rectangle can get scroll offsets..
6399             rect_x = rect->GetX();
6400             rect_y = rect->GetY();
6401             rectWidth = rect->GetWidth();
6402             rectHeight = rect->GetHeight();
6403
6404             width_label = m_rowLabelWidth - rect_x;
6405             if (width_label > rectWidth)
6406                 width_label = rectWidth;
6407
6408             height_label = m_colLabelHeight - rect_y;
6409             if (height_label > rectHeight) height_label = rectHeight;
6410
6411             if (rect_x > m_rowLabelWidth)
6412             {
6413                 x = rect_x - m_rowLabelWidth;
6414                 width_cell = rectWidth;
6415             }
6416             else
6417             {
6418                 x = 0;
6419                 width_cell = rectWidth - (m_rowLabelWidth - rect_x);
6420             }
6421
6422             if (rect_y > m_colLabelHeight)
6423             {
6424                 y = rect_y - m_colLabelHeight;
6425                 height_cell = rectHeight;
6426             }
6427             else
6428             {
6429                 y = 0;
6430                 height_cell = rectHeight - (m_colLabelHeight - rect_y);
6431             }
6432
6433             // Paint corner label part intersecting rect.
6434             if ( width_label > 0 && height_label > 0 )
6435             {
6436                 wxRect anotherrect(rect_x, rect_y, width_label, height_label);
6437                 m_cornerLabelWin->Refresh(eraseb, &anotherrect);
6438             }
6439
6440             // Paint col labels part intersecting rect.
6441             if ( width_cell > 0 && height_label > 0 )
6442             {
6443                 wxRect anotherrect(x, rect_y, width_cell, height_label);
6444                 m_colLabelWin->Refresh(eraseb, &anotherrect);
6445             }
6446
6447             // Paint row labels part intersecting rect.
6448             if ( width_label > 0 && height_cell > 0 )
6449             {
6450                 wxRect anotherrect(rect_x, y, width_label, height_cell);
6451                 m_rowLabelWin->Refresh(eraseb, &anotherrect);
6452             }
6453
6454             // Paint cell area part intersecting rect.
6455             if ( width_cell > 0 && height_cell > 0 )
6456             {
6457                 wxRect anotherrect(x, y, width_cell, height_cell);
6458                 m_gridWin->Refresh(eraseb, &anotherrect);
6459             }
6460         }
6461         else
6462         {
6463             m_cornerLabelWin->Refresh(eraseb, NULL);
6464             m_colLabelWin->Refresh(eraseb, NULL);
6465             m_rowLabelWin->Refresh(eraseb, NULL);
6466             m_gridWin->Refresh(eraseb, NULL);
6467         }
6468     }
6469 }
6470
6471 void wxGrid::OnSize( wxSizeEvent& event )
6472 {
6473     // position the child windows
6474     CalcWindowSizes();
6475
6476     // don't call CalcDimensions() from here, the base class handles the size
6477     // changes itself
6478     event.Skip();
6479 }
6480
6481 void wxGrid::OnKeyDown( wxKeyEvent& event )
6482 {
6483     if ( m_inOnKeyDown )
6484     {
6485         // shouldn't be here - we are going round in circles...
6486         //
6487         wxFAIL_MSG( wxT("wxGrid::OnKeyDown called while already active") );
6488     }
6489
6490     m_inOnKeyDown = true;
6491
6492     // propagate the event up and see if it gets processed
6493     //
6494     wxWindow *parent = GetParent();
6495     wxKeyEvent keyEvt( event );
6496     keyEvt.SetEventObject( parent );
6497
6498     if ( !parent->GetEventHandler()->ProcessEvent( keyEvt ) )
6499     {
6500
6501         // try local handlers
6502         //
6503         switch ( event.GetKeyCode() )
6504         {
6505             case WXK_UP:
6506                 if ( event.ControlDown() )
6507                 {
6508                     MoveCursorUpBlock( event.ShiftDown() );
6509                 }
6510                 else
6511                 {
6512                     MoveCursorUp( event.ShiftDown() );
6513                 }
6514                 break;
6515
6516             case WXK_DOWN:
6517                 if ( event.ControlDown() )
6518                 {
6519                     MoveCursorDownBlock( event.ShiftDown() );
6520                 }
6521                 else
6522                 {
6523                     MoveCursorDown( event.ShiftDown() );
6524                 }
6525                 break;
6526
6527             case WXK_LEFT:
6528                 if ( event.ControlDown() )
6529                 {
6530                     MoveCursorLeftBlock( event.ShiftDown() );
6531                 }
6532                 else
6533                 {
6534                     MoveCursorLeft( event.ShiftDown() );
6535                 }
6536                 break;
6537
6538             case WXK_RIGHT:
6539                 if ( event.ControlDown() )
6540                 {
6541                     MoveCursorRightBlock( event.ShiftDown() );
6542                 }
6543                 else
6544                 {
6545                     MoveCursorRight( event.ShiftDown() );
6546                 }
6547                 break;
6548
6549             case WXK_RETURN:
6550             case WXK_NUMPAD_ENTER:
6551                 if ( event.ControlDown() )
6552                 {
6553                     event.Skip();  // to let the edit control have the return
6554                 }
6555                 else
6556                 {
6557                     if ( GetGridCursorRow() < GetNumberRows()-1 )
6558                     {
6559                         MoveCursorDown( event.ShiftDown() );
6560                     }
6561                     else
6562                     {
6563                         // at the bottom of a column
6564                         DisableCellEditControl();
6565                     }
6566                 }
6567                 break;
6568
6569             case WXK_ESCAPE:
6570                 ClearSelection();
6571                 break;
6572
6573             case WXK_TAB:
6574                 if (event.ShiftDown())
6575                 {
6576                     if ( GetGridCursorCol() > 0 )
6577                     {
6578                         MoveCursorLeft( false );
6579                     }
6580                     else
6581                     {
6582                         // at left of grid
6583                         DisableCellEditControl();
6584                     }
6585                 }
6586                 else
6587                 {
6588                     if ( GetGridCursorCol() < GetNumberCols()-1 )
6589                     {
6590                         MoveCursorRight( false );
6591                     }
6592                     else
6593                     {
6594                         // at right of grid
6595                         DisableCellEditControl();
6596                     }
6597                 }
6598                 break;
6599
6600             case WXK_HOME:
6601                 if ( event.ControlDown() )
6602                 {
6603                     MakeCellVisible( 0, 0 );
6604                     SetCurrentCell( 0, 0 );
6605                 }
6606                 else
6607                 {
6608                     event.Skip();
6609                 }
6610                 break;
6611
6612             case WXK_END:
6613                 if ( event.ControlDown() )
6614                 {
6615                     MakeCellVisible( m_numRows-1, m_numCols-1 );
6616                     SetCurrentCell( m_numRows-1, m_numCols-1 );
6617                 }
6618                 else
6619                 {
6620                     event.Skip();
6621                 }
6622                 break;
6623
6624             case WXK_PAGEUP:
6625                 MovePageUp();
6626                 break;
6627
6628             case WXK_PAGEDOWN:
6629                 MovePageDown();
6630                 break;
6631
6632             case WXK_SPACE:
6633                 if ( event.ControlDown() )
6634                 {
6635                     if ( m_selection )
6636                     {
6637                         m_selection->ToggleCellSelection( m_currentCellCoords.GetRow(),
6638                                                           m_currentCellCoords.GetCol(),
6639                                                           event.ControlDown(),
6640                                                           event.ShiftDown(),
6641                                                           event.AltDown(),
6642                                                           event.MetaDown() );
6643                     }
6644                     break;
6645                 }
6646                 if ( !IsEditable() )
6647                 {
6648                     MoveCursorRight( false );
6649                     break;
6650                 }
6651                 // Otherwise fall through to default
6652
6653             default:
6654                 event.Skip();
6655                 break;
6656         }
6657     }
6658
6659     m_inOnKeyDown = false;
6660 }
6661
6662 void wxGrid::OnKeyUp( wxKeyEvent& event )
6663 {
6664     // try local handlers
6665     //
6666     if ( event.GetKeyCode() == WXK_SHIFT )
6667     {
6668         if ( m_selectingTopLeft != wxGridNoCellCoords &&
6669              m_selectingBottomRight != wxGridNoCellCoords )
6670         {
6671             if ( m_selection )
6672             {
6673                 m_selection->SelectBlock( m_selectingTopLeft.GetRow(),
6674                                           m_selectingTopLeft.GetCol(),
6675                                           m_selectingBottomRight.GetRow(),
6676                                           m_selectingBottomRight.GetCol(),
6677                                           event.ControlDown(),
6678                                           true,
6679                                           event.AltDown(),
6680                                           event.MetaDown() );
6681             }
6682         }
6683
6684         m_selectingTopLeft = wxGridNoCellCoords;
6685         m_selectingBottomRight = wxGridNoCellCoords;
6686         m_selectingKeyboard = wxGridNoCellCoords;
6687     }
6688 }
6689
6690 void wxGrid::OnChar( wxKeyEvent& event )
6691 {
6692     // is it possible to edit the current cell at all?
6693     if ( !IsCellEditControlEnabled() && CanEnableCellControl() )
6694     {
6695         // yes, now check whether the cells editor accepts the key
6696         int row = m_currentCellCoords.GetRow();
6697         int col = m_currentCellCoords.GetCol();
6698         wxGridCellAttr *attr = GetCellAttr(row, col);
6699         wxGridCellEditor *editor = attr->GetEditor(this, row, col);
6700
6701         // <F2> is special and will always start editing, for
6702         // other keys - ask the editor itself
6703         if ( (event.GetKeyCode() == WXK_F2 && !event.HasModifiers())
6704              || editor->IsAcceptedKey(event) )
6705         {
6706             // ensure cell is visble
6707             MakeCellVisible(row, col);
6708             EnableCellEditControl();
6709
6710             // a problem can arise if the cell is not completely
6711             // visible (even after calling MakeCellVisible the
6712             // control is not created and calling StartingKey will
6713             // crash the app
6714             if ( event.GetKeyCode() != WXK_F2 && editor->IsCreated() && m_cellEditCtrlEnabled )
6715                 editor->StartingKey(event);
6716         }
6717         else
6718         {
6719             event.Skip();
6720         }
6721
6722         editor->DecRef();
6723         attr->DecRef();
6724     }
6725     else
6726     {
6727         event.Skip();
6728     }
6729 }
6730
6731 void wxGrid::OnEraseBackground(wxEraseEvent&)
6732 {
6733 }
6734
6735 void wxGrid::SetCurrentCell( const wxGridCellCoords& coords )
6736 {
6737     if ( SendEvent( wxEVT_GRID_SELECT_CELL, coords.GetRow(), coords.GetCol() ) )
6738     {
6739         // the event has been intercepted - do nothing
6740         return;
6741     }
6742
6743     wxClientDC dc( m_gridWin );
6744     PrepareDC( dc );
6745
6746     if ( m_currentCellCoords != wxGridNoCellCoords )
6747     {
6748         DisableCellEditControl();
6749
6750         if ( IsVisible( m_currentCellCoords, false ) )
6751         {
6752             wxRect r;
6753             r = BlockToDeviceRect( m_currentCellCoords, m_currentCellCoords );
6754             if ( !m_gridLinesEnabled )
6755             {
6756                 r.x--;
6757                 r.y--;
6758                 r.width++;
6759                 r.height++;
6760             }
6761
6762             wxGridCellCoordsArray cells = CalcCellsExposed( r );
6763
6764             // Otherwise refresh redraws the highlight!
6765             m_currentCellCoords = coords;
6766
6767             DrawGridCellArea( dc, cells );
6768             DrawAllGridLines( dc, r );
6769         }
6770     }
6771
6772     m_currentCellCoords = coords;
6773
6774     wxGridCellAttr *attr = GetCellAttr( coords );
6775     DrawCellHighlight( dc, attr );
6776     attr->DecRef();
6777 }
6778
6779 void wxGrid::HighlightBlock( int topRow, int leftCol, int bottomRow, int rightCol )
6780 {
6781     int temp;
6782     wxGridCellCoords updateTopLeft, updateBottomRight;
6783
6784     if ( m_selection )
6785     {
6786         if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectRows )
6787         {
6788             leftCol = 0;
6789             rightCol = GetNumberCols() - 1;
6790         }
6791         else if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectColumns )
6792         {
6793             topRow = 0;
6794             bottomRow = GetNumberRows() - 1;
6795         }
6796     }
6797
6798     if ( topRow > bottomRow )
6799     {
6800         temp = topRow;
6801         topRow = bottomRow;
6802         bottomRow = temp;
6803     }
6804
6805     if ( leftCol > rightCol )
6806     {
6807         temp = leftCol;
6808         leftCol = rightCol;
6809         rightCol = temp;
6810     }
6811
6812     updateTopLeft = wxGridCellCoords( topRow, leftCol );
6813     updateBottomRight = wxGridCellCoords( bottomRow, rightCol );
6814
6815     // First the case that we selected a completely new area
6816     if ( m_selectingTopLeft == wxGridNoCellCoords ||
6817          m_selectingBottomRight == wxGridNoCellCoords )
6818     {
6819         wxRect rect;
6820         rect = BlockToDeviceRect( wxGridCellCoords ( topRow, leftCol ),
6821                                   wxGridCellCoords ( bottomRow, rightCol ) );
6822         m_gridWin->Refresh( false, &rect );
6823     }
6824
6825     // Now handle changing an existing selection area.
6826     else if ( m_selectingTopLeft != updateTopLeft ||
6827               m_selectingBottomRight != updateBottomRight )
6828     {
6829         // Compute two optimal update rectangles:
6830         // Either one rectangle is a real subset of the
6831         // other, or they are (almost) disjoint!
6832         wxRect  rect[4];
6833         bool    need_refresh[4];
6834         need_refresh[0] =
6835         need_refresh[1] =
6836         need_refresh[2] =
6837         need_refresh[3] = false;
6838         int     i;
6839
6840         // Store intermediate values
6841         wxCoord oldLeft   = m_selectingTopLeft.GetCol();
6842         wxCoord oldTop    = m_selectingTopLeft.GetRow();
6843         wxCoord oldRight  = m_selectingBottomRight.GetCol();
6844         wxCoord oldBottom = m_selectingBottomRight.GetRow();
6845
6846         // Determine the outer/inner coordinates.
6847         if (oldLeft > leftCol)
6848         {
6849             temp = oldLeft;
6850             oldLeft = leftCol;
6851             leftCol = temp;
6852         }
6853         if (oldTop > topRow )
6854         {
6855             temp = oldTop;
6856             oldTop = topRow;
6857             topRow = temp;
6858         }
6859         if (oldRight < rightCol )
6860         {
6861             temp = oldRight;
6862             oldRight = rightCol;
6863             rightCol = temp;
6864         }
6865         if (oldBottom < bottomRow)
6866         {
6867             temp = oldBottom;
6868             oldBottom = bottomRow;
6869             bottomRow = temp;
6870         }
6871
6872         // Now, either the stuff marked old is the outer
6873         // rectangle or we don't have a situation where one
6874         // is contained in the other.
6875
6876         if ( oldLeft < leftCol )
6877         {
6878             // Refresh the newly selected or deselected
6879             // area to the left of the old or new selection.
6880             need_refresh[0] = true;
6881             rect[0] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
6882                                                             oldLeft ),
6883                                          wxGridCellCoords ( oldBottom,
6884                                                             leftCol - 1 ) );
6885         }
6886
6887         if ( oldTop < topRow )
6888         {
6889             // Refresh the newly selected or deselected
6890             // area above the old or new selection.
6891             need_refresh[1] = true;
6892             rect[1] = BlockToDeviceRect(
6893                 wxGridCellCoords( oldTop, leftCol ),
6894                 wxGridCellCoords( topRow - 1, rightCol ) );
6895         }
6896
6897         if ( oldRight > rightCol )
6898         {
6899             // Refresh the newly selected or deselected
6900             // area to the right of the old or new selection.
6901             need_refresh[2] = true;
6902             rect[2] = BlockToDeviceRect(
6903                 wxGridCellCoords ( oldTop, rightCol + 1 ),
6904                 wxGridCellCoords ( oldBottom, oldRight ) );
6905         }
6906
6907         if ( oldBottom > bottomRow )
6908         {
6909             // Refresh the newly selected or deselected
6910             // area below the old or new selection.
6911             need_refresh[3] = true;
6912             rect[3] = BlockToDeviceRect(
6913                 wxGridCellCoords ( bottomRow + 1, leftCol ),
6914                 wxGridCellCoords ( oldBottom, rightCol ) );
6915         }
6916
6917         // various Refresh() calls
6918         for (i = 0; i < 4; i++ )
6919             if ( need_refresh[i] && rect[i] != wxGridNoCellRect )
6920                 m_gridWin->Refresh( false, &(rect[i]) );
6921     }
6922
6923     // change selection
6924     m_selectingTopLeft = updateTopLeft;
6925     m_selectingBottomRight = updateBottomRight;
6926 }
6927
6928 //
6929 // ------ functions to get/send data (see also public functions)
6930 //
6931
6932 bool wxGrid::GetModelValues()
6933 {
6934     // Hide the editor, so it won't hide a changed value.
6935     HideCellEditControl();
6936
6937     if ( m_table )
6938     {
6939         // all we need to do is repaint the grid
6940         //
6941         m_gridWin->Refresh();
6942         return true;
6943     }
6944
6945     return false;
6946 }
6947
6948 bool wxGrid::SetModelValues()
6949 {
6950     int row, col;
6951
6952     // Disable the editor, so it won't hide a changed value.
6953     // Do we also want to save the current value of the editor first?
6954     // I think so ...
6955     DisableCellEditControl();
6956
6957     if ( m_table )
6958     {
6959         for ( row = 0;  row < m_numRows;  row++ )
6960         {
6961             for ( col = 0;  col < m_numCols;  col++ )
6962             {
6963                 m_table->SetValue( row, col, GetCellValue(row, col) );
6964             }
6965         }
6966
6967         return true;
6968     }
6969
6970     return false;
6971 }
6972
6973 // Note - this function only draws cells that are in the list of
6974 // exposed cells (usually set from the update region by
6975 // CalcExposedCells)
6976 //
6977 void wxGrid::DrawGridCellArea( wxDC& dc, const wxGridCellCoordsArray& cells )
6978 {
6979     if ( !m_numRows || !m_numCols )
6980         return;
6981
6982     int i, numCells = cells.GetCount();
6983     int row, col, cell_rows, cell_cols;
6984     wxGridCellCoordsArray redrawCells;
6985
6986     for ( i = numCells-1; i >= 0;  i-- )
6987     {
6988         row = cells[i].GetRow();
6989         col = cells[i].GetCol();
6990         GetCellSize( row, col, &cell_rows, &cell_cols );
6991
6992         // If this cell is part of a multicell block, find owner for repaint
6993         if ( cell_rows <= 0 || cell_cols <= 0 )
6994         {
6995             wxGridCellCoords cell(row+cell_rows, col+cell_cols);
6996             bool marked = false;
6997             for ( int j = 0;  j < numCells;  j++ )
6998             {
6999                 if ( cell == cells[j] )
7000                 {
7001                     marked = true;
7002                     break;
7003                 }
7004             }
7005
7006             if (!marked)
7007             {
7008                 int count = redrawCells.GetCount();
7009                 for (int j = 0; j < count; j++)
7010                 {
7011                     if ( cell == redrawCells[j] )
7012                     {
7013                         marked = true;
7014                         break;
7015                     }
7016                 }
7017
7018                 if (!marked)
7019                     redrawCells.Add( cell );
7020             }
7021
7022             // don't bother drawing this cell
7023             continue;
7024         }
7025
7026         // If this cell is empty, find cell to left that might want to overflow
7027         if (m_table && m_table->IsEmptyCell(row, col))
7028         {
7029             for ( int l = 0; l < cell_rows; l++ )
7030             {
7031                 // find a cell in this row to left alreay marked for repaint
7032                 int left = col;
7033                 for (int k = 0; k < int(redrawCells.GetCount()); k++)
7034                     if ((redrawCells[k].GetCol() < left) &&
7035                         (redrawCells[k].GetRow() == row))
7036                     {
7037                         left = redrawCells[k].GetCol();
7038                     }
7039
7040                 if (left == col)
7041                     left = 0; // oh well
7042
7043                 for (int j = col - 1; j >= left; j--)
7044                 {
7045                     if (!m_table->IsEmptyCell(row + l, j))
7046                     {
7047                         if (GetCellOverflow(row + l, j))
7048                         {
7049                             wxGridCellCoords cell(row + l, j);
7050                             bool marked = false;
7051
7052                             for (int k = 0; k < numCells; k++)
7053                             {
7054                                 if ( cell == cells[k] )
7055                                 {
7056                                     marked = true;
7057                                     break;
7058                                 }
7059                             }
7060
7061                             if (!marked)
7062                             {
7063                                 int count = redrawCells.GetCount();
7064                                 for (int k = 0; k < count; k++)
7065                                 {
7066                                     if ( cell == redrawCells[k] )
7067                                     {
7068                                         marked = true;
7069                                         break;
7070                                     }
7071                                 }
7072                                 if (!marked)
7073                                     redrawCells.Add( cell );
7074                             }
7075                         }
7076                         break;
7077                     }
7078                 }
7079             }
7080         }
7081
7082         DrawCell( dc, cells[i] );
7083     }
7084
7085     numCells = redrawCells.GetCount();
7086
7087     for ( i = numCells - 1; i >= 0;  i-- )
7088     {
7089         DrawCell( dc, redrawCells[i] );
7090     }
7091 }
7092
7093 void wxGrid::DrawGridSpace( wxDC& dc )
7094 {
7095   int cw, ch;
7096   m_gridWin->GetClientSize( &cw, &ch );
7097
7098   int right, bottom;
7099   CalcUnscrolledPosition( cw, ch, &right, &bottom );
7100
7101   int rightCol = m_numCols > 0 ? GetColRight(m_numCols - 1) : 0;
7102   int bottomRow = m_numRows > 0 ? GetRowBottom(m_numRows - 1) : 0;
7103
7104   if ( right > rightCol || bottom > bottomRow )
7105   {
7106       int left, top;
7107       CalcUnscrolledPosition( 0, 0, &left, &top );
7108
7109       dc.SetBrush( wxBrush(GetDefaultCellBackgroundColour(), wxSOLID) );
7110       dc.SetPen( *wxTRANSPARENT_PEN );
7111
7112       if ( right > rightCol )
7113       {
7114           dc.DrawRectangle( rightCol, top, right - rightCol, ch);
7115       }
7116
7117       if ( bottom > bottomRow )
7118       {
7119           dc.DrawRectangle( left, bottomRow, cw, bottom - bottomRow);
7120       }
7121   }
7122 }
7123
7124 void wxGrid::DrawCell( wxDC& dc, const wxGridCellCoords& coords )
7125 {
7126     int row = coords.GetRow();
7127     int col = coords.GetCol();
7128
7129     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
7130         return;
7131
7132     // we draw the cell border ourselves
7133 #if !WXGRID_DRAW_LINES
7134     if ( m_gridLinesEnabled )
7135         DrawCellBorder( dc, coords );
7136 #endif
7137
7138     wxGridCellAttr* attr = GetCellAttr(row, col);
7139
7140     bool isCurrent = coords == m_currentCellCoords;
7141
7142     wxRect rect = CellToRect( row, col );
7143
7144     // if the editor is shown, we should use it and not the renderer
7145     // Note: However, only if it is really _shown_, i.e. not hidden!
7146     if ( isCurrent && IsCellEditControlShown() )
7147     {
7148         // OSAF NB: this "#if..." is temporary and fixes a problem where the
7149         // edit control is erased by this code after being rendered.
7150         // On wxMac (QD build only), the cell editor is a wxTextCntl and is rendered
7151         // implicitly, causing this out-of order render.
7152 #if !defined(__WXMAC__) || wxMAC_USE_CORE_GRAPHICS
7153         wxGridCellEditor *editor = attr->GetEditor(this, row, col);
7154         editor->PaintBackground(rect, attr);
7155         editor->DecRef();
7156 #endif
7157     }
7158     else
7159     {
7160         // but all the rest is drawn by the cell renderer and hence may be
7161         // customized
7162         wxGridCellRenderer *renderer = attr->GetRenderer(this, row, col);
7163         renderer->Draw(*this, *attr, dc, rect, row, col, IsInSelection(coords));
7164         renderer->DecRef();
7165     }
7166
7167     attr->DecRef();
7168 }
7169
7170 void wxGrid::DrawCellHighlight( wxDC& dc, const wxGridCellAttr *attr )
7171 {
7172     int row = m_currentCellCoords.GetRow();
7173     int col = m_currentCellCoords.GetCol();
7174
7175     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
7176         return;
7177
7178     wxRect rect = CellToRect(row, col);
7179
7180     // hmmm... what could we do here to show that the cell is disabled?
7181     // for now, I just draw a thinner border than for the other ones, but
7182     // it doesn't look really good
7183
7184     int penWidth = attr->IsReadOnly() ? m_cellHighlightROPenWidth : m_cellHighlightPenWidth;
7185
7186     if (penWidth > 0)
7187     {
7188         // The center of th drawn line is where the position/width/height of
7189         // the rectangle is actually at, (on wxMSW atr least,) so we will
7190         // reduce the size of the rectangle to compensate for the thickness of
7191         // the line.  If this is too strange on non wxMSW platforms then
7192         // please #ifdef this appropriately.
7193         rect.x += penWidth / 2;
7194         rect.y += penWidth / 2;
7195         rect.width -= penWidth - 1;
7196         rect.height -= penWidth - 1;
7197
7198         // Now draw the rectangle
7199         // use the cellHighlightColour if the cell is inside a selection, this
7200         // will ensure the cell is always visible.
7201         dc.SetPen(wxPen(IsInSelection(row,col) ? m_selectionForeground : m_cellHighlightColour, penWidth, wxSOLID));
7202         dc.SetBrush(*wxTRANSPARENT_BRUSH);
7203         dc.DrawRectangle(rect);
7204     }
7205
7206 #if 0
7207         // VZ: my experiments with 3D borders...
7208
7209         // how to properly set colours for arbitrary bg?
7210         wxCoord x1 = rect.x,
7211                 y1 = rect.y,
7212                 x2 = rect.x + rect.width - 1,
7213                 y2 = rect.y + rect.height - 1;
7214
7215         dc.SetPen(*wxWHITE_PEN);
7216         dc.DrawLine(x1, y1, x2, y1);
7217         dc.DrawLine(x1, y1, x1, y2);
7218
7219         dc.DrawLine(x1 + 1, y2 - 1, x2 - 1, y2 - 1);
7220         dc.DrawLine(x2 - 1, y1 + 1, x2 - 1, y2);
7221
7222         dc.SetPen(*wxBLACK_PEN);
7223         dc.DrawLine(x1, y2, x2, y2);
7224         dc.DrawLine(x2, y1, x2, y2 + 1);
7225 #endif // 0
7226 }
7227
7228 void wxGrid::DrawCellBorder( wxDC& dc, const wxGridCellCoords& coords )
7229 {
7230     int row = coords.GetRow();
7231     int col = coords.GetCol();
7232     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
7233         return;
7234
7235     dc.SetPen( wxPen(GetGridLineColour(), 1, wxSOLID) );
7236
7237     wxRect rect = CellToRect( row, col );
7238
7239     // right hand border
7240     //
7241     dc.DrawLine( rect.x + rect.width, rect.y,
7242                  rect.x + rect.width, rect.y + rect.height + 1 );
7243
7244     // bottom border
7245     //
7246     dc.DrawLine( rect.x, rect.y + rect.height,
7247                  rect.x + rect.width, rect.y + rect.height);
7248 }
7249
7250 void wxGrid::DrawHighlight(wxDC& dc, const wxGridCellCoordsArray& cells)
7251 {
7252     // This if block was previously in wxGrid::OnPaint but that doesn't
7253     // seem to get called under wxGTK - MB
7254     //
7255     if ( m_currentCellCoords == wxGridNoCellCoords &&
7256          m_numRows && m_numCols )
7257     {
7258         m_currentCellCoords.Set(0, 0);
7259     }
7260
7261     if ( IsCellEditControlShown() )
7262     {
7263         // don't show highlight when the edit control is shown
7264         return;
7265     }
7266
7267     // if the active cell was repainted, repaint its highlight too because it
7268     // might have been damaged by the grid lines
7269     size_t count = cells.GetCount();
7270     for ( size_t n = 0; n < count; n++ )
7271     {
7272         if ( cells[n] == m_currentCellCoords )
7273         {
7274             wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords);
7275             DrawCellHighlight(dc, attr);
7276             attr->DecRef();
7277
7278             break;
7279         }
7280     }
7281 }
7282
7283 // TODO: remove this ???
7284 // This is used to redraw all grid lines e.g. when the grid line colour
7285 // has been changed
7286 //
7287 void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & WXUNUSED(reg) )
7288 {
7289 #if !WXGRID_DRAW_LINES
7290     return;
7291 #endif
7292
7293     if ( !m_gridLinesEnabled || !m_numRows || !m_numCols )
7294          return;
7295
7296     int top, bottom, left, right;
7297
7298 #if 0  //#ifndef __WXGTK__
7299     if (reg.IsEmpty())
7300     {
7301       int cw, ch;
7302       m_gridWin->GetClientSize(&cw, &ch);
7303
7304       // virtual coords of visible area
7305       //
7306       CalcUnscrolledPosition( 0, 0, &left, &top );
7307       CalcUnscrolledPosition( cw, ch, &right, &bottom );
7308     }
7309     else
7310     {
7311       wxCoord x, y, w, h;
7312       reg.GetBox(x, y, w, h);
7313       CalcUnscrolledPosition( x, y, &left, &top );
7314       CalcUnscrolledPosition( x + w, y + h, &right, &bottom );
7315     }
7316 #else
7317       int cw, ch;
7318       m_gridWin->GetClientSize(&cw, &ch);
7319       CalcUnscrolledPosition( 0, 0, &left, &top );
7320       CalcUnscrolledPosition( cw, ch, &right, &bottom );
7321 #endif
7322
7323     // avoid drawing grid lines past the last row and col
7324     //
7325     right = wxMin( right, GetColRight(m_numCols - 1) );
7326     bottom = wxMin( bottom, GetRowBottom(m_numRows - 1) );
7327
7328     // no gridlines inside multicells, clip them out
7329     int leftCol   = internalXToCol(left);
7330     int topRow    = internalYToRow(top);
7331     int rightCol  = internalXToCol(right);
7332     int bottomRow = internalYToRow(bottom);
7333
7334 #ifndef __WXMAC__
7335     // CS: I don't know why suddenly unscrolled coordinates are used for clipping
7336     wxRegion clippedcells(0, 0, cw, ch);
7337
7338     int i, j, cell_rows, cell_cols;
7339     wxRect rect;
7340
7341     for (j=topRow; j<bottomRow; j++)
7342     {
7343         for (i=leftCol; i<rightCol; i++)
7344         {
7345             GetCellSize( j, i, &cell_rows, &cell_cols );
7346             if ((cell_rows > 1) || (cell_cols > 1))
7347             {
7348                 rect = CellToRect(j,i);
7349                 CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
7350                 clippedcells.Subtract(rect);
7351             }
7352             else if ((cell_rows < 0) || (cell_cols < 0))
7353             {
7354                 rect = CellToRect(j+cell_rows, i+cell_cols);
7355                 CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
7356                 clippedcells.Subtract(rect);
7357             }
7358         }
7359     }
7360 #else
7361     wxRegion clippedcells( left , top, right - left, bottom - top);
7362
7363     int i, j, cell_rows, cell_cols;
7364     wxRect rect;
7365
7366     for (j=topRow; j<bottomRow; j++)
7367     {
7368         for (i=leftCol; i<rightCol; i++)
7369         {
7370             GetCellSize( j, i, &cell_rows, &cell_cols );
7371             if ((cell_rows > 1) || (cell_cols > 1))
7372             {
7373                 rect = CellToRect(j, i);
7374                 clippedcells.Subtract(rect);
7375             }
7376             else if ((cell_rows < 0) || (cell_cols < 0))
7377             {
7378                 rect = CellToRect(j + cell_rows, i + cell_cols);
7379                 clippedcells.Subtract(rect);
7380             }
7381         }
7382     }
7383 #endif
7384     dc.SetClippingRegion( clippedcells );
7385
7386     dc.SetPen( wxPen(GetGridLineColour(), 1, wxSOLID) );
7387
7388     // horizontal grid lines
7389     //
7390     // already declared above - int i;
7391     for ( i = internalYToRow(top); i < m_numRows; i++ )
7392     {
7393         int bot = GetRowBottom(i) - 1;
7394
7395         if ( bot > bottom )
7396         {
7397             break;
7398         }
7399
7400         if ( bot >= top )
7401         {
7402             dc.DrawLine( left, bot, right, bot );
7403         }
7404     }
7405
7406     // vertical grid lines
7407     //
7408     for ( i = internalXToCol(left); i < m_numCols; i++ )
7409     {
7410         int colRight = GetColRight(i) - 1;
7411         if ( colRight > right )
7412         {
7413             break;
7414         }
7415
7416         if ( colRight >= left )
7417         {
7418             dc.DrawLine( colRight, top, colRight, bottom );
7419         }
7420     }
7421     dc.DestroyClippingRegion();
7422 }
7423
7424 void wxGrid::DrawRowLabels( wxDC& dc ,const wxArrayInt& rows)
7425 {
7426     if ( !m_numRows )
7427         return;
7428
7429     size_t i;
7430     size_t numLabels = rows.GetCount();
7431
7432     for ( i = 0; i < numLabels; i++ )
7433     {
7434         DrawRowLabel( dc, rows[i] );
7435     }
7436 }
7437
7438 void wxGrid::DrawRowLabel( wxDC& dc, int row )
7439 {
7440     if ( GetRowHeight(row) <= 0 || m_rowLabelWidth <= 0 )
7441         return;
7442
7443     wxRect rect;
7444
7445 #ifdef __WXGTK20__
7446     rect.SetX( 1 );
7447     rect.SetY( GetRowTop(row) + 1 );
7448     rect.SetWidth( m_rowLabelWidth - 2 );
7449     rect.SetHeight( GetRowHeight(row) - 2 );
7450
7451     CalcScrolledPosition( 0, rect.y, NULL, &rect.y );
7452
7453     wxWindowDC *win_dc = (wxWindowDC*) &dc;
7454
7455     wxRendererNative::Get().DrawHeaderButton( win_dc->m_owner, dc, rect, 0 );
7456 #else
7457     int rowTop = GetRowTop(row),
7458         rowBottom = GetRowBottom(row) - 1;
7459
7460     dc.SetPen( wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW),1, wxSOLID) );
7461     dc.DrawLine( m_rowLabelWidth-1, rowTop,
7462                  m_rowLabelWidth-1, rowBottom );
7463
7464     dc.DrawLine( 0, rowTop, 0, rowBottom );
7465
7466     dc.DrawLine( 0, rowBottom, m_rowLabelWidth, rowBottom );
7467
7468     dc.SetPen( *wxWHITE_PEN );
7469     dc.DrawLine( 1, rowTop, 1, rowBottom );
7470     dc.DrawLine( 1, rowTop, m_rowLabelWidth-1, rowTop );
7471 #endif
7472
7473     dc.SetBackgroundMode( wxTRANSPARENT );
7474     dc.SetTextForeground( GetLabelTextColour() );
7475     dc.SetFont( GetLabelFont() );
7476
7477     int hAlign, vAlign;
7478     GetRowLabelAlignment( &hAlign, &vAlign );
7479
7480     rect.SetX( 2 );
7481     rect.SetY( GetRowTop(row) + 2 );
7482     rect.SetWidth( m_rowLabelWidth - 4 );
7483     rect.SetHeight( GetRowHeight(row) - 4 );
7484     DrawTextRectangle( dc, GetRowLabelValue( row ), rect, hAlign, vAlign );
7485 }
7486
7487 void wxGrid::DrawColLabels( wxDC& dc,const wxArrayInt& cols )
7488 {
7489     if ( !m_numCols )
7490         return;
7491
7492     size_t i;
7493     size_t numLabels = cols.GetCount();
7494
7495     for ( i = 0;  i < numLabels;  i++ )
7496     {
7497         DrawColLabel( dc, cols[i] );
7498     }
7499 }
7500
7501 void wxGrid::DrawColLabel( wxDC& dc, int col )
7502 {
7503     if ( GetColWidth(col) <= 0 || m_colLabelHeight <= 0 )
7504         return;
7505
7506     int colLeft = GetColLeft(col);
7507
7508     wxRect rect;
7509
7510 #ifdef __WXGTK20__
7511     rect.SetX( colLeft + 1 );
7512     rect.SetY( 1 );
7513     rect.SetWidth( GetColWidth(col) - 2 );
7514     rect.SetHeight( m_colLabelHeight - 2 );
7515
7516     wxWindowDC *win_dc = (wxWindowDC*) &dc;
7517
7518     wxRendererNative::Get().DrawHeaderButton( win_dc->m_owner, dc, rect, 0 );
7519 #else
7520     int colRight = GetColRight(col) - 1;
7521
7522     dc.SetPen( wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW), 1, wxSOLID) );
7523     dc.DrawLine( colRight, 0,
7524                  colRight, m_colLabelHeight-1 );
7525
7526     dc.DrawLine( colLeft, 0, colRight, 0 );
7527
7528     dc.DrawLine( colLeft, m_colLabelHeight-1,
7529                  colRight+1, m_colLabelHeight-1 );
7530
7531     dc.SetPen( *wxWHITE_PEN );
7532     dc.DrawLine( colLeft, 1, colLeft, m_colLabelHeight-1 );
7533     dc.DrawLine( colLeft, 1, colRight, 1 );
7534 #endif
7535
7536     dc.SetBackgroundMode( wxTRANSPARENT );
7537     dc.SetTextForeground( GetLabelTextColour() );
7538     dc.SetFont( GetLabelFont() );
7539
7540     int hAlign, vAlign, orient;
7541     GetColLabelAlignment( &hAlign, &vAlign );
7542     orient = GetColLabelTextOrientation();
7543
7544     rect.SetX( colLeft + 2 );
7545     rect.SetY( 2 );
7546     rect.SetWidth( GetColWidth(col) - 4 );
7547     rect.SetHeight( m_colLabelHeight - 4 );
7548     DrawTextRectangle( dc, GetColLabelValue( col ), rect, hAlign, vAlign, orient );
7549 }
7550
7551 void wxGrid::DrawTextRectangle( wxDC& dc,
7552                                 const wxString& value,
7553                                 const wxRect& rect,
7554                                 int horizAlign,
7555                                 int vertAlign,
7556                                 int textOrientation )
7557 {
7558     wxArrayString lines;
7559
7560     StringToLines( value, lines );
7561
7562     // Forward to new API.
7563     DrawTextRectangle(  dc,
7564         lines,
7565         rect,
7566         horizAlign,
7567         vertAlign,
7568         textOrientation );
7569 }
7570
7571 void wxGrid::DrawTextRectangle( wxDC& dc,
7572                                const wxArrayString& lines,
7573                                const wxRect& rect,
7574                                int horizAlign,
7575                                int vertAlign,
7576                                int textOrientation )
7577 {
7578     long textWidth = 0, textHeight = 0;
7579     long lineWidth = 0, lineHeight = 0;
7580     int nLines;
7581
7582     dc.SetClippingRegion( rect );
7583
7584     nLines = lines.GetCount();
7585     if ( nLines > 0 )
7586     {
7587         int l;
7588         float x = 0.0, y = 0.0;
7589
7590         if ( textOrientation == wxHORIZONTAL )
7591             GetTextBoxSize(dc, lines, &textWidth, &textHeight);
7592         else
7593             GetTextBoxSize( dc, lines, &textHeight, &textWidth );
7594
7595         switch ( vertAlign )
7596         {
7597         case wxALIGN_BOTTOM:
7598             if ( textOrientation == wxHORIZONTAL )
7599                 y = rect.y + (rect.height - textHeight - 1);
7600             else
7601                 x = rect.x + rect.width - textWidth;
7602             break;
7603
7604         case wxALIGN_CENTRE:
7605             if ( textOrientation == wxHORIZONTAL )
7606                 y = rect.y + ((rect.height - textHeight)/2);
7607             else
7608                 x = rect.x + ((rect.width - textWidth)/2);
7609             break;
7610
7611         case wxALIGN_TOP:
7612         default:
7613             if ( textOrientation == wxHORIZONTAL )
7614                 y = rect.y + 1;
7615             else
7616                 x = rect.x + 1;
7617             break;
7618         }
7619
7620         // Align each line of a multi-line label
7621         for ( l = 0; l < nLines; l++ )
7622         {
7623             dc.GetTextExtent(lines[l], &lineWidth, &lineHeight);
7624
7625             switch ( horizAlign )
7626             {
7627             case wxALIGN_RIGHT:
7628                 if ( textOrientation == wxHORIZONTAL )
7629                     x = rect.x + (rect.width - lineWidth - 1);
7630                 else
7631                     y = rect.y + lineWidth + 1;
7632                 break;
7633
7634             case wxALIGN_CENTRE:
7635                 if ( textOrientation == wxHORIZONTAL )
7636                     x = rect.x + ((rect.width - lineWidth) / 2);
7637                 else
7638                     y = rect.y + rect.height - ((rect.height - lineWidth) / 2);
7639                 break;
7640
7641             case wxALIGN_LEFT:
7642             default:
7643                 if ( textOrientation == wxHORIZONTAL )
7644                     x = rect.x + 1;
7645                 else
7646                     y = rect.y + rect.height - 1;
7647                 break;
7648             }
7649
7650             if ( textOrientation == wxHORIZONTAL )
7651             {
7652                 dc.DrawText( lines[l], (int)x, (int)y );
7653                 y += lineHeight;
7654             }
7655             else
7656             {
7657                 dc.DrawRotatedText( lines[l], (int)x, (int)y, 90.0 );
7658                 x += lineHeight;
7659             }
7660         }
7661     }
7662
7663     dc.DestroyClippingRegion();
7664 }
7665
7666 // Split multi-line text up into an array of strings.
7667 // Any existing contents of the string array are preserved.
7668 //
7669 void wxGrid::StringToLines( const wxString& value, wxArrayString& lines )
7670 {
7671     int startPos = 0;
7672     int pos;
7673     wxString eol = wxTextFile::GetEOL( wxTextFileType_Unix );
7674     wxString tVal = wxTextFile::Translate( value, wxTextFileType_Unix );
7675
7676     while ( startPos < (int)tVal.length() )
7677     {
7678         pos = tVal.Mid(startPos).Find( eol );
7679         if ( pos < 0 )
7680         {
7681             break;
7682         }
7683         else if ( pos == 0 )
7684         {
7685             lines.Add( wxEmptyString );
7686         }
7687         else
7688         {
7689             lines.Add( value.Mid(startPos, pos) );
7690         }
7691         startPos += pos + 1;
7692     }
7693
7694     if ( startPos < (int)value.length() )
7695     {
7696         lines.Add( value.Mid( startPos ) );
7697     }
7698 }
7699
7700 void wxGrid::GetTextBoxSize( const wxDC& dc,
7701                              const wxArrayString& lines,
7702                              long *width, long *height )
7703 {
7704     long w = 0;
7705     long h = 0;
7706     long lineW = 0, lineH = 0;
7707
7708     size_t i;
7709     for ( i = 0;  i < lines.GetCount();  i++ )
7710     {
7711         dc.GetTextExtent( lines[i], &lineW, &lineH );
7712         w = wxMax( w, lineW );
7713         h += lineH;
7714     }
7715
7716     *width = w;
7717     *height = h;
7718 }
7719
7720 //
7721 // ------ Batch processing.
7722 //
7723 void wxGrid::EndBatch()
7724 {
7725     if ( m_batchCount > 0 )
7726     {
7727         m_batchCount--;
7728         if ( !m_batchCount )
7729         {
7730             CalcDimensions();
7731             m_rowLabelWin->Refresh();
7732             m_colLabelWin->Refresh();
7733             m_cornerLabelWin->Refresh();
7734             m_gridWin->Refresh();
7735         }
7736     }
7737 }
7738
7739 // Use this, rather than wxWindow::Refresh(), to force an immediate
7740 // repainting of the grid. Has no effect if you are already inside a
7741 // BeginBatch / EndBatch block.
7742 //
7743 void wxGrid::ForceRefresh()
7744 {
7745     BeginBatch();
7746     EndBatch();
7747 }
7748
7749 bool wxGrid::Enable(bool enable)
7750 {
7751     if ( !wxScrolledWindow::Enable(enable) )
7752         return false;
7753
7754     // redraw in the new state
7755     m_gridWin->Refresh();
7756
7757     return true;
7758 }
7759
7760 //
7761 // ------ Edit control functions
7762 //
7763
7764 void wxGrid::EnableEditing( bool edit )
7765 {
7766     // TODO: improve this ?
7767     //
7768     if ( edit != m_editable )
7769     {
7770         if (!edit)
7771             EnableCellEditControl(edit);
7772         m_editable = edit;
7773     }
7774 }
7775
7776 void wxGrid::EnableCellEditControl( bool enable )
7777 {
7778     if (! m_editable)
7779         return;
7780
7781     if ( enable != m_cellEditCtrlEnabled )
7782     {
7783         if ( enable )
7784         {
7785             if (SendEvent( wxEVT_GRID_EDITOR_SHOWN) <0)
7786                 return;
7787
7788             // this should be checked by the caller!
7789             wxASSERT_MSG( CanEnableCellControl(),
7790                           _T("can't enable editing for this cell!") );
7791
7792             // do it before ShowCellEditControl()
7793             m_cellEditCtrlEnabled = enable;
7794
7795             ShowCellEditControl();
7796         }
7797         else
7798         {
7799             //FIXME:add veto support
7800             SendEvent( wxEVT_GRID_EDITOR_HIDDEN);
7801
7802             HideCellEditControl();
7803             SaveEditControlValue();
7804
7805             // do it after HideCellEditControl()
7806             m_cellEditCtrlEnabled = enable;
7807         }
7808     }
7809 }
7810
7811 bool wxGrid::IsCurrentCellReadOnly() const
7812 {
7813     // const_cast
7814     wxGridCellAttr* attr = ((wxGrid *)this)->GetCellAttr(m_currentCellCoords);
7815     bool readonly = attr->IsReadOnly();
7816     attr->DecRef();
7817
7818     return readonly;
7819 }
7820
7821 bool wxGrid::CanEnableCellControl() const
7822 {
7823     return m_editable && (m_currentCellCoords != wxGridNoCellCoords) &&
7824         !IsCurrentCellReadOnly();
7825
7826 }
7827
7828 bool wxGrid::IsCellEditControlEnabled() const
7829 {
7830     // the cell edit control might be disable for all cells or just for the
7831     // current one if it's read only
7832     return m_cellEditCtrlEnabled ? !IsCurrentCellReadOnly() : false;
7833 }
7834
7835 bool wxGrid::IsCellEditControlShown() const
7836 {
7837     bool isShown = false;
7838
7839     if ( m_cellEditCtrlEnabled )
7840     {
7841         int row = m_currentCellCoords.GetRow();
7842         int col = m_currentCellCoords.GetCol();
7843         wxGridCellAttr* attr = GetCellAttr(row, col);
7844         wxGridCellEditor* editor = attr->GetEditor((wxGrid*) this, row, col);
7845         attr->DecRef();
7846
7847         if ( editor )
7848         {
7849             if ( editor->IsCreated() )
7850             {
7851                 isShown = editor->GetControl()->IsShown();
7852             }
7853
7854             editor->DecRef();
7855         }
7856     }
7857
7858     return isShown;
7859 }
7860
7861 void wxGrid::ShowCellEditControl()
7862 {
7863     if ( IsCellEditControlEnabled() )
7864     {
7865         if ( !IsVisible( m_currentCellCoords, false ) )
7866         {
7867             m_cellEditCtrlEnabled = false;
7868             return;
7869         }
7870         else
7871         {
7872             wxRect rect = CellToRect( m_currentCellCoords );
7873             int row = m_currentCellCoords.GetRow();
7874             int col = m_currentCellCoords.GetCol();
7875
7876             // if this is part of a multicell, find owner (topleft)
7877             int cell_rows, cell_cols;
7878             GetCellSize( row, col, &cell_rows, &cell_cols );
7879             if ( cell_rows <= 0 || cell_cols <= 0 )
7880             {
7881                 row += cell_rows;
7882                 col += cell_cols;
7883                 m_currentCellCoords.SetRow( row );
7884                 m_currentCellCoords.SetCol( col );
7885             }
7886
7887             // convert to scrolled coords
7888             //
7889             CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
7890
7891             int nXMove = 0;
7892             if (rect.x < 0)
7893                 nXMove = rect.x;
7894
7895             // done in PaintBackground()
7896 #if 0
7897             // erase the highlight and the cell contents because the editor
7898             // might not cover the entire cell
7899             wxClientDC dc( m_gridWin );
7900             PrepareDC( dc );
7901             dc.SetBrush(*wxLIGHT_GREY_BRUSH); //wxBrush(attr->GetBackgroundColour(), wxSOLID));
7902             dc.SetPen(*wxTRANSPARENT_PEN);
7903             dc.DrawRectangle(rect);
7904 #endif // 0
7905
7906             // cell is shifted by one pixel
7907             // However, don't allow x or y to become negative
7908             // since the SetSize() method interprets that as
7909             // "don't change."
7910             if (rect.x > 0)
7911                 rect.x--;
7912             if (rect.y > 0)
7913                 rect.y--;
7914
7915             wxGridCellAttr* attr = GetCellAttr(row, col);
7916             wxGridCellEditor* editor = attr->GetEditor(this, row, col);
7917             if ( !editor->IsCreated() )
7918             {
7919                 editor->Create(m_gridWin, wxID_ANY,
7920                                new wxGridCellEditorEvtHandler(this, editor));
7921
7922                 wxGridEditorCreatedEvent evt(GetId(),
7923                                              wxEVT_GRID_EDITOR_CREATED,
7924                                              this,
7925                                              row,
7926                                              col,
7927                                              editor->GetControl());
7928                 GetEventHandler()->ProcessEvent(evt);
7929             }
7930
7931             // resize editor to overflow into righthand cells if allowed
7932             int maxWidth = rect.width;
7933             wxString value = GetCellValue(row, col);
7934             if ( (value != wxEmptyString) && (attr->GetOverflow()) )
7935             {
7936                 int y;
7937                 GetTextExtent(value, &maxWidth, &y, NULL, NULL, &attr->GetFont());
7938                 if (maxWidth < rect.width)
7939                     maxWidth = rect.width;
7940             }
7941
7942             int client_right = m_gridWin->GetClientSize().GetWidth();
7943             if (rect.x + maxWidth > client_right)
7944                 maxWidth = client_right - rect.x;
7945
7946             if ((maxWidth > rect.width) && (col < m_numCols) && m_table)
7947             {
7948                 GetCellSize( row, col, &cell_rows, &cell_cols );
7949                 // may have changed earlier
7950                 for (int i = col + cell_cols; i < m_numCols; i++)
7951                 {
7952                     int c_rows, c_cols;
7953                     GetCellSize( row, i, &c_rows, &c_cols );
7954
7955                     // looks weird going over a multicell
7956                     if (m_table->IsEmptyCell( row, i ) &&
7957                             (rect.width < maxWidth) && (c_rows == 1))
7958                     {
7959                         rect.width += GetColWidth( i );
7960                     }
7961                     else
7962                         break;
7963                 }
7964
7965                 if (rect.GetRight() > client_right)
7966                     rect.SetRight( client_right - 1 );
7967             }
7968
7969             editor->SetCellAttr( attr );
7970             editor->SetSize( rect );
7971             editor->GetControl()->Move(
7972                 editor->GetControl()->GetPosition().x + nXMove,
7973                 editor->GetControl()->GetPosition().y );
7974             editor->Show( true, attr );
7975
7976             int colXPos = 0;
7977             for (int i = 0; i < m_currentCellCoords.GetCol(); i++)
7978             {
7979                 colXPos += GetColSize( i );
7980             }
7981
7982             int xUnit = 1, yUnit = 1;
7983             GetScrollPixelsPerUnit( &xUnit, &yUnit );
7984             if (m_currentCellCoords.GetCol() != 0)
7985                 Scroll( colXPos / xUnit - 1, GetScrollPos( wxVERTICAL ) );
7986             else
7987                 Scroll( colXPos / xUnit, GetScrollPos( wxVERTICAL ) );
7988
7989             // recalc dimensions in case we need to
7990             // expand the scrolled window to account for editor
7991             CalcDimensions();
7992
7993             editor->BeginEdit(row, col, this);
7994             editor->SetCellAttr(NULL);
7995
7996             editor->DecRef();
7997             attr->DecRef();
7998         }
7999     }
8000 }
8001
8002 void wxGrid::HideCellEditControl()
8003 {
8004     if ( IsCellEditControlEnabled() )
8005     {
8006         int row = m_currentCellCoords.GetRow();
8007         int col = m_currentCellCoords.GetCol();
8008
8009         wxGridCellAttr *attr = GetCellAttr(row, col);
8010         wxGridCellEditor *editor = attr->GetEditor(this, row, col);
8011         editor->Show( false );
8012         editor->DecRef();
8013         attr->DecRef();
8014
8015         m_gridWin->SetFocus();
8016
8017         // refresh whole row to the right
8018         wxRect rect( CellToRect(row, col) );
8019         CalcScrolledPosition(rect.x, rect.y, &rect.x, &rect.y );
8020         rect.width = m_gridWin->GetClientSize().GetWidth() - rect.x;
8021
8022 #ifdef __WXMAC__
8023         // ensure that the pixels under the focus ring get refreshed as well
8024         rect.Inflate(10, 10);
8025 #endif
8026
8027         m_gridWin->Refresh( false, &rect );
8028     }
8029 }
8030
8031 void wxGrid::SaveEditControlValue()
8032 {
8033     if ( IsCellEditControlEnabled() )
8034     {
8035         int row = m_currentCellCoords.GetRow();
8036         int col = m_currentCellCoords.GetCol();
8037
8038         wxString oldval = GetCellValue(row, col);
8039
8040         wxGridCellAttr* attr = GetCellAttr(row, col);
8041         wxGridCellEditor* editor = attr->GetEditor(this, row, col);
8042         bool changed = editor->EndEdit(row, col, this);
8043
8044         editor->DecRef();
8045         attr->DecRef();
8046
8047         if (changed)
8048         {
8049             if ( SendEvent( wxEVT_GRID_CELL_CHANGE,
8050                        m_currentCellCoords.GetRow(),
8051                        m_currentCellCoords.GetCol() ) < 0 )
8052             {
8053                 // Event has been vetoed, set the data back.
8054                 SetCellValue(row, col, oldval);
8055             }
8056         }
8057     }
8058 }
8059
8060 //
8061 // ------ Grid location functions
8062 //  Note that all of these functions work with the logical coordinates of
8063 //  grid cells and labels so you will need to convert from device
8064 //  coordinates for mouse events etc.
8065 //
8066
8067 void wxGrid::XYToCell( int x, int y, wxGridCellCoords& coords )
8068 {
8069     int row = YToRow(y);
8070     int col = XToCol(x);
8071
8072     if ( row == -1  ||  col == -1 )
8073     {
8074         coords = wxGridNoCellCoords;
8075     }
8076     else
8077     {
8078         coords.Set( row, col );
8079     }
8080 }
8081
8082 // Internal Helper function for computing row or column from some
8083 // (unscrolled) coordinate value, using either
8084 // m_defaultRowHeight/m_defaultColWidth or binary search on array
8085 // of m_rowBottoms/m_ColRights to speed up the search!
8086
8087 static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
8088                            const wxArrayInt& BorderArray, int nMax,
8089                            bool clipToMinMax)
8090 {
8091     if (coord < 0)
8092         return clipToMinMax && (nMax > 0) ? 0 : -1;
8093
8094     if (!defaultDist)
8095         defaultDist = 1;
8096
8097     size_t i_max = coord / defaultDist,
8098            i_min = 0;
8099
8100     if (BorderArray.IsEmpty())
8101     {
8102         if ((int) i_max < nMax)
8103             return i_max;
8104         return clipToMinMax ? nMax - 1 : -1;
8105     }
8106
8107     if ( i_max >= BorderArray.GetCount())
8108     {
8109         i_max = BorderArray.GetCount() - 1;
8110     }
8111     else
8112     {
8113         if ( coord >= BorderArray[i_max])
8114         {
8115             i_min = i_max;
8116             if (minDist)
8117                 i_max = coord / minDist;
8118             else
8119                 i_max =  BorderArray.GetCount() - 1;
8120         }
8121
8122         if ( i_max >= BorderArray.GetCount())
8123             i_max = BorderArray.GetCount() - 1;
8124     }
8125
8126     if ( coord >= BorderArray[i_max])
8127         return clipToMinMax ? (int)i_max : -1;
8128     if ( coord < BorderArray[0] )
8129         return 0;
8130
8131     while ( i_max - i_min > 0 )
8132     {
8133         wxCHECK_MSG(BorderArray[i_min] <= coord && coord < BorderArray[i_max],
8134                     0, _T("wxGrid: internal error in CoordToRowOrCol"));
8135         if (coord >=  BorderArray[ i_max - 1])
8136             return i_max;
8137         else
8138             i_max--;
8139         int median = i_min + (i_max - i_min + 1) / 2;
8140         if (coord < BorderArray[median])
8141             i_max = median;
8142         else
8143             i_min = median;
8144     }
8145
8146     return i_max;
8147 }
8148
8149 int wxGrid::YToRow( int y )
8150 {
8151     return CoordToRowOrCol(y, m_defaultRowHeight,
8152                            m_minAcceptableRowHeight, m_rowBottoms, m_numRows, false);
8153 }
8154
8155 int wxGrid::XToCol( int x )
8156 {
8157     return CoordToRowOrCol(x, m_defaultColWidth,
8158                            m_minAcceptableColWidth, m_colRights, m_numCols, false);
8159 }
8160
8161 // return the row number that that the y coord is near the edge of, or
8162 // -1 if not near an edge
8163 //
8164 int wxGrid::YToEdgeOfRow( int y )
8165 {
8166     int i;
8167     i = internalYToRow(y);
8168
8169     if ( GetRowHeight(i) > WXGRID_LABEL_EDGE_ZONE )
8170     {
8171         // We know that we are in row i, test whether we are
8172         // close enough to lower or upper border, respectively.
8173         if ( abs(GetRowBottom(i) - y) < WXGRID_LABEL_EDGE_ZONE )
8174             return i;
8175         else if ( i > 0 && y - GetRowTop(i) < WXGRID_LABEL_EDGE_ZONE )
8176             return i - 1;
8177     }
8178
8179     return -1;
8180 }
8181
8182 // return the col number that that the x coord is near the edge of, or
8183 // -1 if not near an edge
8184 //
8185 int wxGrid::XToEdgeOfCol( int x )
8186 {
8187     int i;
8188     i = internalXToCol(x);
8189
8190     if ( GetColWidth(i) > WXGRID_LABEL_EDGE_ZONE )
8191     {
8192         // We know that we are in column i,  test whether we are
8193         // close enough to right or left border, respectively.
8194         if ( abs(GetColRight(i) - x) < WXGRID_LABEL_EDGE_ZONE )
8195             return i;
8196         else if ( i > 0 && x - GetColLeft(i) < WXGRID_LABEL_EDGE_ZONE )
8197             return i - 1;
8198     }
8199
8200     return -1;
8201 }
8202
8203 wxRect wxGrid::CellToRect( int row, int col )
8204 {
8205     wxRect rect( -1, -1, -1, -1 );
8206
8207     if ( row >= 0 && row < m_numRows &&
8208          col >= 0 && col < m_numCols )
8209     {
8210         int i, cell_rows, cell_cols;
8211         rect.width = rect.height = 0;
8212         GetCellSize( row, col, &cell_rows, &cell_cols );
8213         // if negative then find multicell owner
8214         if (cell_rows < 0)
8215             row += cell_rows;
8216         if (cell_cols < 0)
8217              col += cell_cols;
8218         GetCellSize( row, col, &cell_rows, &cell_cols );
8219
8220         rect.x = GetColLeft(col);
8221         rect.y = GetRowTop(row);
8222         for (i=col; i < col + cell_cols; i++)
8223             rect.width += GetColWidth(i);
8224         for (i=row; i < row + cell_rows; i++)
8225             rect.height += GetRowHeight(i);
8226     }
8227
8228     // if grid lines are enabled, then the area of the cell is a bit smaller
8229     if (m_gridLinesEnabled)
8230     {
8231         rect.width -= 1;
8232         rect.height -= 1;
8233     }
8234
8235     return rect;
8236 }
8237
8238 bool wxGrid::IsVisible( int row, int col, bool wholeCellVisible )
8239 {
8240     // get the cell rectangle in logical coords
8241     //
8242     wxRect r( CellToRect( row, col ) );
8243
8244     // convert to device coords
8245     //
8246     int left, top, right, bottom;
8247     CalcScrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
8248     CalcScrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
8249
8250     // check against the client area of the grid window
8251     int cw, ch;
8252     m_gridWin->GetClientSize( &cw, &ch );
8253
8254     if ( wholeCellVisible )
8255     {
8256         // is the cell wholly visible ?
8257         //
8258         return ( left >= 0 && right <= cw &&
8259                  top >= 0 && bottom <= ch );
8260     }
8261     else
8262     {
8263         // is the cell partly visible ?
8264         //
8265         return ( ((left >= 0 && left < cw) || (right > 0 && right <= cw)) &&
8266                  ((top >= 0 && top < ch) || (bottom > 0 && bottom <= ch)) );
8267     }
8268 }
8269
8270 // make the specified cell location visible by doing a minimal amount
8271 // of scrolling
8272 //
8273 void wxGrid::MakeCellVisible( int row, int col )
8274 {
8275     int i;
8276     int xpos = -1, ypos = -1;
8277
8278     if ( row >= 0 && row < m_numRows &&
8279          col >= 0 && col < m_numCols )
8280     {
8281         // get the cell rectangle in logical coords
8282         wxRect r( CellToRect( row, col ) );
8283
8284         // convert to device coords
8285         int left, top, right, bottom;
8286         CalcScrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
8287         CalcScrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
8288
8289         int cw, ch;
8290         m_gridWin->GetClientSize( &cw, &ch );
8291
8292         if ( top < 0 )
8293         {
8294             ypos = r.GetTop();
8295         }
8296         else if ( bottom > ch )
8297         {
8298             int h = r.GetHeight();
8299             ypos = r.GetTop();
8300             for ( i = row-1;  i >= 0;  i-- )
8301             {
8302                 int rowHeight = GetRowHeight(i);
8303                 if ( h + rowHeight > ch )
8304                     break;
8305
8306                 h += rowHeight;
8307                 ypos -= rowHeight;
8308             }
8309
8310             // we divide it later by GRID_SCROLL_LINE, make sure that we don't
8311             // have rounding errors (this is important, because if we do, we
8312             // might not scroll at all and some cells won't be redrawn)
8313             //
8314             // Sometimes GRID_SCROLL_LINE/2 is not enough, so just add a full
8315             // scroll unit...
8316             ypos += m_scrollLineY;
8317         }
8318
8319         // special handling for wide cells - show always left part of the cell!
8320         // Otherwise, e.g. when stepping from row to row, it would jump between
8321         // left and right part of the cell on every step!
8322 //      if ( left < 0 )
8323         if ( left < 0 || (right-left) >= cw )
8324         {
8325             xpos = r.GetLeft();
8326         }
8327         else if ( right > cw )
8328         {
8329             // position the view so that the cell is on the right
8330             int x0, y0;
8331             CalcUnscrolledPosition(0, 0, &x0, &y0);
8332             xpos = x0 + (right - cw);
8333
8334             // see comment for ypos above
8335             xpos += m_scrollLineX;
8336         }
8337
8338         if ( xpos != -1  ||  ypos != -1 )
8339         {
8340             if ( xpos != -1 )
8341                 xpos /= m_scrollLineX;
8342             if ( ypos != -1 )
8343                 ypos /= m_scrollLineY;
8344             Scroll( xpos, ypos );
8345             AdjustScrollbars();
8346         }
8347     }
8348 }
8349
8350 //
8351 // ------ Grid cursor movement functions
8352 //
8353
8354 bool wxGrid::MoveCursorUp( bool expandSelection )
8355 {
8356     if ( m_currentCellCoords != wxGridNoCellCoords &&
8357          m_currentCellCoords.GetRow() >= 0 )
8358     {
8359         if ( expandSelection )
8360         {
8361             if ( m_selectingKeyboard == wxGridNoCellCoords )
8362                 m_selectingKeyboard = m_currentCellCoords;
8363             if ( m_selectingKeyboard.GetRow() > 0 )
8364             {
8365                 m_selectingKeyboard.SetRow( m_selectingKeyboard.GetRow() - 1 );
8366                 MakeCellVisible( m_selectingKeyboard.GetRow(),
8367                                  m_selectingKeyboard.GetCol() );
8368                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
8369             }
8370         }
8371         else if ( m_currentCellCoords.GetRow() > 0 )
8372         {
8373             int row = m_currentCellCoords.GetRow() - 1;
8374             int col = m_currentCellCoords.GetCol();
8375             ClearSelection();
8376             MakeCellVisible( row, col );
8377             SetCurrentCell( row, col );
8378         }
8379         else
8380             return false;
8381
8382         return true;
8383     }
8384
8385     return false;
8386 }
8387
8388 bool wxGrid::MoveCursorDown( bool expandSelection )
8389 {
8390     if ( m_currentCellCoords != wxGridNoCellCoords &&
8391          m_currentCellCoords.GetRow() < m_numRows )
8392     {
8393         if ( expandSelection )
8394         {
8395             if ( m_selectingKeyboard == wxGridNoCellCoords )
8396                 m_selectingKeyboard = m_currentCellCoords;
8397             if ( m_selectingKeyboard.GetRow() < m_numRows-1 )
8398             {
8399                 m_selectingKeyboard.SetRow( m_selectingKeyboard.GetRow() + 1 );
8400                 MakeCellVisible( m_selectingKeyboard.GetRow(),
8401                         m_selectingKeyboard.GetCol() );
8402                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
8403             }
8404         }
8405         else if ( m_currentCellCoords.GetRow() < m_numRows - 1 )
8406         {
8407             int row = m_currentCellCoords.GetRow() + 1;
8408             int col = m_currentCellCoords.GetCol();
8409             ClearSelection();
8410             MakeCellVisible( row, col );
8411             SetCurrentCell( row, col );
8412         }
8413         else
8414             return false;
8415
8416         return true;
8417     }
8418
8419     return false;
8420 }
8421
8422 bool wxGrid::MoveCursorLeft( bool expandSelection )
8423 {
8424     if ( m_currentCellCoords != wxGridNoCellCoords &&
8425          m_currentCellCoords.GetCol() >= 0 )
8426     {
8427         if ( expandSelection )
8428         {
8429             if ( m_selectingKeyboard == wxGridNoCellCoords )
8430                 m_selectingKeyboard = m_currentCellCoords;
8431             if ( m_selectingKeyboard.GetCol() > 0 )
8432             {
8433                 m_selectingKeyboard.SetCol( m_selectingKeyboard.GetCol() - 1 );
8434                 MakeCellVisible( m_selectingKeyboard.GetRow(),
8435                         m_selectingKeyboard.GetCol() );
8436                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
8437             }
8438         }
8439         else if ( m_currentCellCoords.GetCol() > 0 )
8440         {
8441             int row = m_currentCellCoords.GetRow();
8442             int col = m_currentCellCoords.GetCol() - 1;
8443             ClearSelection();
8444             MakeCellVisible( row, col );
8445             SetCurrentCell( row, col );
8446         }
8447         else
8448             return false;
8449
8450         return true;
8451     }
8452
8453     return false;
8454 }
8455
8456 bool wxGrid::MoveCursorRight( bool expandSelection )
8457 {
8458     if ( m_currentCellCoords != wxGridNoCellCoords &&
8459          m_currentCellCoords.GetCol() < m_numCols )
8460     {
8461         if ( expandSelection )
8462         {
8463             if ( m_selectingKeyboard == wxGridNoCellCoords )
8464                 m_selectingKeyboard = m_currentCellCoords;
8465             if ( m_selectingKeyboard.GetCol() < m_numCols - 1 )
8466             {
8467                 m_selectingKeyboard.SetCol( m_selectingKeyboard.GetCol() + 1 );
8468                 MakeCellVisible( m_selectingKeyboard.GetRow(),
8469                         m_selectingKeyboard.GetCol() );
8470                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
8471             }
8472         }
8473         else if ( m_currentCellCoords.GetCol() < m_numCols - 1 )
8474         {
8475             int row = m_currentCellCoords.GetRow();
8476             int col = m_currentCellCoords.GetCol() + 1;
8477             ClearSelection();
8478             MakeCellVisible( row, col );
8479             SetCurrentCell( row, col );
8480         }
8481         else
8482             return false;
8483
8484         return true;
8485     }
8486
8487     return false;
8488 }
8489
8490 bool wxGrid::MovePageUp()
8491 {
8492     if ( m_currentCellCoords == wxGridNoCellCoords )
8493         return false;
8494
8495     int row = m_currentCellCoords.GetRow();
8496     if ( row > 0 )
8497     {
8498         int cw, ch;
8499         m_gridWin->GetClientSize( &cw, &ch );
8500
8501         int y = GetRowTop(row);
8502         int newRow = internalYToRow( y - ch + 1 );
8503
8504         if ( newRow == row )
8505         {
8506             //row > 0 , so newrow can never be less than 0 here.
8507             newRow = row - 1;
8508         }
8509
8510         MakeCellVisible( newRow, m_currentCellCoords.GetCol() );
8511         SetCurrentCell( newRow, m_currentCellCoords.GetCol() );
8512
8513         return true;
8514     }
8515
8516     return false;
8517 }
8518
8519 bool wxGrid::MovePageDown()
8520 {
8521     if ( m_currentCellCoords == wxGridNoCellCoords )
8522         return false;
8523
8524     int row = m_currentCellCoords.GetRow();
8525     if ( (row+1) < m_numRows )
8526     {
8527         int cw, ch;
8528         m_gridWin->GetClientSize( &cw, &ch );
8529
8530         int y = GetRowTop(row);
8531         int newRow = internalYToRow( y + ch );
8532         if ( newRow == row )
8533         {
8534             // row < m_numRows , so newrow can't overflow here.
8535             newRow = row + 1;
8536         }
8537
8538         MakeCellVisible( newRow, m_currentCellCoords.GetCol() );
8539         SetCurrentCell( newRow, m_currentCellCoords.GetCol() );
8540
8541         return true;
8542     }
8543
8544     return false;
8545 }
8546
8547 bool wxGrid::MoveCursorUpBlock( bool expandSelection )
8548 {
8549     if ( m_table &&
8550          m_currentCellCoords != wxGridNoCellCoords &&
8551          m_currentCellCoords.GetRow() > 0 )
8552     {
8553         int row = m_currentCellCoords.GetRow();
8554         int col = m_currentCellCoords.GetCol();
8555
8556         if ( m_table->IsEmptyCell(row, col) )
8557         {
8558             // starting in an empty cell: find the next block of
8559             // non-empty cells
8560             //
8561             while ( row > 0 )
8562             {
8563                 row--;
8564                 if ( !(m_table->IsEmptyCell(row, col)) )
8565                     break;
8566             }
8567         }
8568         else if ( m_table->IsEmptyCell(row - 1, col) )
8569         {
8570             // starting at the top of a block: find the next block
8571             //
8572             row--;
8573             while ( row > 0 )
8574             {
8575                 row--;
8576                 if ( !(m_table->IsEmptyCell(row, col)) )
8577                     break;
8578             }
8579         }
8580         else
8581         {
8582             // starting within a block: find the top of the block
8583             //
8584             while ( row > 0 )
8585             {
8586                 row--;
8587                 if ( m_table->IsEmptyCell(row, col) )
8588                 {
8589                     row++;
8590                     break;
8591                 }
8592             }
8593         }
8594
8595         MakeCellVisible( row, col );
8596         if ( expandSelection )
8597         {
8598             m_selectingKeyboard = wxGridCellCoords( row, col );
8599             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
8600         }
8601         else
8602         {
8603             ClearSelection();
8604             SetCurrentCell( row, col );
8605         }
8606
8607         return true;
8608     }
8609
8610     return false;
8611 }
8612
8613 bool wxGrid::MoveCursorDownBlock( bool expandSelection )
8614 {
8615     if ( m_table &&
8616          m_currentCellCoords != wxGridNoCellCoords &&
8617          m_currentCellCoords.GetRow() < m_numRows - 1 )
8618     {
8619         int row = m_currentCellCoords.GetRow();
8620         int col = m_currentCellCoords.GetCol();
8621
8622         if ( m_table->IsEmptyCell(row, col) )
8623         {
8624             // starting in an empty cell: find the next block of
8625             // non-empty cells
8626             //
8627             while ( row < m_numRows - 1 )
8628             {
8629                 row++;
8630                 if ( !(m_table->IsEmptyCell(row, col)) )
8631                     break;
8632             }
8633         }
8634         else if ( m_table->IsEmptyCell(row + 1, col) )
8635         {
8636             // starting at the bottom of a block: find the next block
8637             //
8638             row++;
8639             while ( row < m_numRows - 1 )
8640             {
8641                 row++;
8642                 if ( !(m_table->IsEmptyCell(row, col)) )
8643                     break;
8644             }
8645         }
8646         else
8647         {
8648             // starting within a block: find the bottom of the block
8649             //
8650             while ( row < m_numRows - 1 )
8651             {
8652                 row++;
8653                 if ( m_table->IsEmptyCell(row, col) )
8654                 {
8655                     row--;
8656                     break;
8657                 }
8658             }
8659         }
8660
8661         MakeCellVisible( row, col );
8662         if ( expandSelection )
8663         {
8664             m_selectingKeyboard = wxGridCellCoords( row, col );
8665             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
8666         }
8667         else
8668         {
8669             ClearSelection();
8670             SetCurrentCell( row, col );
8671         }
8672
8673         return true;
8674     }
8675
8676     return false;
8677 }
8678
8679 bool wxGrid::MoveCursorLeftBlock( bool expandSelection )
8680 {
8681     if ( m_table &&
8682          m_currentCellCoords != wxGridNoCellCoords &&
8683          m_currentCellCoords.GetCol() > 0 )
8684     {
8685         int row = m_currentCellCoords.GetRow();
8686         int col = m_currentCellCoords.GetCol();
8687
8688         if ( m_table->IsEmptyCell(row, col) )
8689         {
8690             // starting in an empty cell: find the next block of
8691             // non-empty cells
8692             //
8693             while ( col > 0 )
8694             {
8695                 col--;
8696                 if ( !(m_table->IsEmptyCell(row, col)) )
8697                     break;
8698             }
8699         }
8700         else if ( m_table->IsEmptyCell(row, col - 1) )
8701         {
8702             // starting at the left of a block: find the next block
8703             //
8704             col--;
8705             while ( col > 0 )
8706             {
8707                 col--;
8708                 if ( !(m_table->IsEmptyCell(row, col)) )
8709                     break;
8710             }
8711         }
8712         else
8713         {
8714             // starting within a block: find the left of the block
8715             //
8716             while ( col > 0 )
8717             {
8718                 col--;
8719                 if ( m_table->IsEmptyCell(row, col) )
8720                 {
8721                     col++;
8722                     break;
8723                 }
8724             }
8725         }
8726
8727         MakeCellVisible( row, col );
8728         if ( expandSelection )
8729         {
8730             m_selectingKeyboard = wxGridCellCoords( row, col );
8731             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
8732         }
8733         else
8734         {
8735             ClearSelection();
8736             SetCurrentCell( row, col );
8737         }
8738
8739         return true;
8740     }
8741
8742     return false;
8743 }
8744
8745 bool wxGrid::MoveCursorRightBlock( bool expandSelection )
8746 {
8747     if ( m_table &&
8748          m_currentCellCoords != wxGridNoCellCoords &&
8749          m_currentCellCoords.GetCol() < m_numCols - 1 )
8750     {
8751         int row = m_currentCellCoords.GetRow();
8752         int col = m_currentCellCoords.GetCol();
8753
8754         if ( m_table->IsEmptyCell(row, col) )
8755         {
8756             // starting in an empty cell: find the next block of
8757             // non-empty cells
8758             //
8759             while ( col < m_numCols - 1 )
8760             {
8761                 col++;
8762                 if ( !(m_table->IsEmptyCell(row, col)) )
8763                     break;
8764             }
8765         }
8766         else if ( m_table->IsEmptyCell(row, col + 1) )
8767         {
8768             // starting at the right of a block: find the next block
8769             //
8770             col++;
8771             while ( col < m_numCols - 1 )
8772             {
8773                 col++;
8774                 if ( !(m_table->IsEmptyCell(row, col)) )
8775                     break;
8776             }
8777         }
8778         else
8779         {
8780             // starting within a block: find the right of the block
8781             //
8782             while ( col < m_numCols - 1 )
8783             {
8784                 col++;
8785                 if ( m_table->IsEmptyCell(row, col) )
8786                 {
8787                     col--;
8788                     break;
8789                 }
8790             }
8791         }
8792
8793         MakeCellVisible( row, col );
8794         if ( expandSelection )
8795         {
8796             m_selectingKeyboard = wxGridCellCoords( row, col );
8797             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
8798         }
8799         else
8800         {
8801             ClearSelection();
8802             SetCurrentCell( row, col );
8803         }
8804
8805         return true;
8806     }
8807
8808     return false;
8809 }
8810
8811 //
8812 // ------ Label values and formatting
8813 //
8814
8815 void wxGrid::GetRowLabelAlignment( int *horiz, int *vert )
8816 {
8817     if ( horiz )
8818         *horiz = m_rowLabelHorizAlign;
8819     if ( vert )
8820         *vert  = m_rowLabelVertAlign;
8821 }
8822
8823 void wxGrid::GetColLabelAlignment( int *horiz, int *vert )
8824 {
8825     if ( horiz )
8826         *horiz = m_colLabelHorizAlign;
8827     if ( vert )
8828         *vert  = m_colLabelVertAlign;
8829 }
8830
8831 int wxGrid::GetColLabelTextOrientation()
8832 {
8833     return m_colLabelTextOrientation;
8834 }
8835
8836 wxString wxGrid::GetRowLabelValue( int row )
8837 {
8838     if ( m_table )
8839     {
8840         return m_table->GetRowLabelValue( row );
8841     }
8842     else
8843     {
8844         wxString s;
8845         s << row;
8846         return s;
8847     }
8848 }
8849
8850 wxString wxGrid::GetColLabelValue( int col )
8851 {
8852     if ( m_table )
8853     {
8854         return m_table->GetColLabelValue( col );
8855     }
8856     else
8857     {
8858         wxString s;
8859         s << col;
8860         return s;
8861     }
8862 }
8863
8864 void wxGrid::SetRowLabelSize( int width )
8865 {
8866     width = wxMax( width, 0 );
8867     if ( width != m_rowLabelWidth )
8868     {
8869         if ( width == 0 )
8870         {
8871             m_rowLabelWin->Show( false );
8872             m_cornerLabelWin->Show( false );
8873         }
8874         else if ( m_rowLabelWidth == 0 )
8875         {
8876             m_rowLabelWin->Show( true );
8877             if ( m_colLabelHeight > 0 )
8878                 m_cornerLabelWin->Show( true );
8879         }
8880
8881         m_rowLabelWidth = width;
8882         CalcWindowSizes();
8883         wxScrolledWindow::Refresh( true );
8884     }
8885 }
8886
8887 void wxGrid::SetColLabelSize( int height )
8888 {
8889     height = wxMax( height, 0 );
8890     if ( height != m_colLabelHeight )
8891     {
8892         if ( height == 0 )
8893         {
8894             m_colLabelWin->Show( false );
8895             m_cornerLabelWin->Show( false );
8896         }
8897         else if ( m_colLabelHeight == 0 )
8898         {
8899             m_colLabelWin->Show( true );
8900             if ( m_rowLabelWidth > 0 ) m_cornerLabelWin->Show( true );
8901         }
8902
8903         m_colLabelHeight = height;
8904         CalcWindowSizes();
8905         wxScrolledWindow::Refresh( true );
8906     }
8907 }
8908
8909 void wxGrid::SetLabelBackgroundColour( const wxColour& colour )
8910 {
8911     if ( m_labelBackgroundColour != colour )
8912     {
8913         m_labelBackgroundColour = colour;
8914         m_rowLabelWin->SetBackgroundColour( colour );
8915         m_colLabelWin->SetBackgroundColour( colour );
8916         m_cornerLabelWin->SetBackgroundColour( colour );
8917
8918         if ( !GetBatchCount() )
8919         {
8920             m_rowLabelWin->Refresh();
8921             m_colLabelWin->Refresh();
8922             m_cornerLabelWin->Refresh();
8923         }
8924     }
8925 }
8926
8927 void wxGrid::SetLabelTextColour( const wxColour& colour )
8928 {
8929     if ( m_labelTextColour != colour )
8930     {
8931         m_labelTextColour = colour;
8932         if ( !GetBatchCount() )
8933         {
8934             m_rowLabelWin->Refresh();
8935             m_colLabelWin->Refresh();
8936         }
8937     }
8938 }
8939
8940 void wxGrid::SetLabelFont( const wxFont& font )
8941 {
8942     m_labelFont = font;
8943     if ( !GetBatchCount() )
8944     {
8945         m_rowLabelWin->Refresh();
8946         m_colLabelWin->Refresh();
8947     }
8948 }
8949
8950 void wxGrid::SetRowLabelAlignment( int horiz, int vert )
8951 {
8952     // allow old (incorrect) defs to be used
8953     switch ( horiz )
8954     {
8955         case wxLEFT:   horiz = wxALIGN_LEFT; break;
8956         case wxRIGHT:  horiz = wxALIGN_RIGHT; break;
8957         case wxCENTRE: horiz = wxALIGN_CENTRE; break;
8958     }
8959
8960     switch ( vert )
8961     {
8962         case wxTOP:    vert = wxALIGN_TOP;    break;
8963         case wxBOTTOM: vert = wxALIGN_BOTTOM; break;
8964         case wxCENTRE: vert = wxALIGN_CENTRE; break;
8965     }
8966
8967     if ( horiz == wxALIGN_LEFT || horiz == wxALIGN_CENTRE || horiz == wxALIGN_RIGHT )
8968     {
8969         m_rowLabelHorizAlign = horiz;
8970     }
8971
8972     if ( vert == wxALIGN_TOP || vert == wxALIGN_CENTRE || vert == wxALIGN_BOTTOM )
8973     {
8974         m_rowLabelVertAlign = vert;
8975     }
8976
8977     if ( !GetBatchCount() )
8978     {
8979         m_rowLabelWin->Refresh();
8980     }
8981 }
8982
8983 void wxGrid::SetColLabelAlignment( int horiz, int vert )
8984 {
8985     // allow old (incorrect) defs to be used
8986     switch ( horiz )
8987     {
8988         case wxLEFT:   horiz = wxALIGN_LEFT; break;
8989         case wxRIGHT:  horiz = wxALIGN_RIGHT; break;
8990         case wxCENTRE: horiz = wxALIGN_CENTRE; break;
8991     }
8992
8993     switch ( vert )
8994     {
8995         case wxTOP:    vert = wxALIGN_TOP;    break;
8996         case wxBOTTOM: vert = wxALIGN_BOTTOM; break;
8997         case wxCENTRE: vert = wxALIGN_CENTRE; break;
8998     }
8999
9000     if ( horiz == wxALIGN_LEFT || horiz == wxALIGN_CENTRE || horiz == wxALIGN_RIGHT )
9001     {
9002         m_colLabelHorizAlign = horiz;
9003     }
9004
9005     if ( vert == wxALIGN_TOP || vert == wxALIGN_CENTRE || vert == wxALIGN_BOTTOM )
9006     {
9007         m_colLabelVertAlign = vert;
9008     }
9009
9010     if ( !GetBatchCount() )
9011     {
9012         m_colLabelWin->Refresh();
9013     }
9014 }
9015
9016 // Note: under MSW, the default column label font must be changed because it
9017 //       does not support vertical printing
9018 //
9019 // Example: wxFont font(9, wxSWISS, wxNORMAL, wxBOLD);
9020 //                      pGrid->SetLabelFont(font);
9021 //                      pGrid->SetColLabelTextOrientation(wxVERTICAL);
9022 //
9023 void wxGrid::SetColLabelTextOrientation( int textOrientation )
9024 {
9025     if ( textOrientation == wxHORIZONTAL || textOrientation == wxVERTICAL )
9026     {
9027         m_colLabelTextOrientation = textOrientation;
9028     }
9029
9030     if ( !GetBatchCount() )
9031     {
9032         m_colLabelWin->Refresh();
9033     }
9034 }
9035
9036 void wxGrid::SetRowLabelValue( int row, const wxString& s )
9037 {
9038     if ( m_table )
9039     {
9040         m_table->SetRowLabelValue( row, s );
9041         if ( !GetBatchCount() )
9042         {
9043             wxRect rect = CellToRect( row, 0);
9044             if ( rect.height > 0 )
9045             {
9046                 CalcScrolledPosition(0, rect.y, &rect.x, &rect.y);
9047                 rect.x = 0;
9048                 rect.width = m_rowLabelWidth;
9049                 m_rowLabelWin->Refresh( true, &rect );
9050             }
9051         }
9052     }
9053 }
9054
9055 void wxGrid::SetColLabelValue( int col, const wxString& s )
9056 {
9057     if ( m_table )
9058     {
9059         m_table->SetColLabelValue( col, s );
9060         if ( !GetBatchCount() )
9061         {
9062             wxRect rect = CellToRect( 0, col );
9063             if ( rect.width > 0 )
9064             {
9065                 CalcScrolledPosition(rect.x, 0, &rect.x, &rect.y);
9066                 rect.y = 0;
9067                 rect.height = m_colLabelHeight;
9068                 m_colLabelWin->Refresh( true, &rect );
9069             }
9070         }
9071     }
9072 }
9073
9074 void wxGrid::SetGridLineColour( const wxColour& colour )
9075 {
9076     if ( m_gridLineColour != colour )
9077     {
9078         m_gridLineColour = colour;
9079
9080         wxClientDC dc( m_gridWin );
9081         PrepareDC( dc );
9082         DrawAllGridLines( dc, wxRegion() );
9083     }
9084 }
9085
9086 void wxGrid::SetCellHighlightColour( const wxColour& colour )
9087 {
9088     if ( m_cellHighlightColour != colour )
9089     {
9090         m_cellHighlightColour = colour;
9091
9092         wxClientDC dc( m_gridWin );
9093         PrepareDC( dc );
9094         wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords);
9095         DrawCellHighlight(dc, attr);
9096         attr->DecRef();
9097     }
9098 }
9099
9100 void wxGrid::SetCellHighlightPenWidth(int width)
9101 {
9102     if (m_cellHighlightPenWidth != width)
9103     {
9104         m_cellHighlightPenWidth = width;
9105
9106         // Just redrawing the cell highlight is not enough since that won't
9107         // make any visible change if the the thickness is getting smaller.
9108         int row = m_currentCellCoords.GetRow();
9109         int col = m_currentCellCoords.GetCol();
9110         if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
9111             return;
9112
9113         wxRect rect = CellToRect(row, col);
9114         m_gridWin->Refresh(true, &rect);
9115     }
9116 }
9117
9118 void wxGrid::SetCellHighlightROPenWidth(int width)
9119 {
9120     if (m_cellHighlightROPenWidth != width)
9121     {
9122         m_cellHighlightROPenWidth = width;
9123
9124         // Just redrawing the cell highlight is not enough since that won't
9125         // make any visible change if the the thickness is getting smaller.
9126         int row = m_currentCellCoords.GetRow();
9127         int col = m_currentCellCoords.GetCol();
9128         if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
9129             return;
9130         wxRect rect = CellToRect(row, col);
9131         m_gridWin->Refresh(true, &rect);
9132     }
9133 }
9134
9135 void wxGrid::EnableGridLines( bool enable )
9136 {
9137     if ( enable != m_gridLinesEnabled )
9138     {
9139         m_gridLinesEnabled = enable;
9140
9141         if ( !GetBatchCount() )
9142         {
9143             if ( enable )
9144             {
9145                 wxClientDC dc( m_gridWin );
9146                 PrepareDC( dc );
9147                 DrawAllGridLines( dc, wxRegion() );
9148             }
9149             else
9150             {
9151                 m_gridWin->Refresh();
9152             }
9153         }
9154     }
9155 }
9156
9157 int wxGrid::GetDefaultRowSize()
9158 {
9159     return m_defaultRowHeight;
9160 }
9161
9162 int wxGrid::GetRowSize( int row )
9163 {
9164     wxCHECK_MSG( row >= 0 && row < m_numRows, 0, _T("invalid row index") );
9165
9166     return GetRowHeight(row);
9167 }
9168
9169 int wxGrid::GetDefaultColSize()
9170 {
9171     return m_defaultColWidth;
9172 }
9173
9174 int wxGrid::GetColSize( int col )
9175 {
9176     wxCHECK_MSG( col >= 0 && col < m_numCols, 0, _T("invalid column index") );
9177
9178     return GetColWidth(col);
9179 }
9180
9181 // ============================================================================
9182 // access to the grid attributes: each of them has a default value in the grid
9183 // itself and may be overidden on a per-cell basis
9184 // ============================================================================
9185
9186 // ----------------------------------------------------------------------------
9187 // setting default attributes
9188 // ----------------------------------------------------------------------------
9189
9190 void wxGrid::SetDefaultCellBackgroundColour( const wxColour& col )
9191 {
9192     m_defaultCellAttr->SetBackgroundColour(col);
9193 #ifdef __WXGTK__
9194     m_gridWin->SetBackgroundColour(col);
9195 #endif
9196 }
9197
9198 void wxGrid::SetDefaultCellTextColour( const wxColour& col )
9199 {
9200     m_defaultCellAttr->SetTextColour(col);
9201 }
9202
9203 void wxGrid::SetDefaultCellAlignment( int horiz, int vert )
9204 {
9205     m_defaultCellAttr->SetAlignment(horiz, vert);
9206 }
9207
9208 void wxGrid::SetDefaultCellOverflow( bool allow )
9209 {
9210     m_defaultCellAttr->SetOverflow(allow);
9211 }
9212
9213 void wxGrid::SetDefaultCellFont( const wxFont& font )
9214 {
9215     m_defaultCellAttr->SetFont(font);
9216 }
9217
9218 // For editors and renderers the type registry takes precedence over the
9219 // default attr, so we need to register the new editor/renderer for the string
9220 // data type in order to make setting a default editor/renderer appear to
9221 // work correctly.
9222
9223 void wxGrid::SetDefaultRenderer(wxGridCellRenderer *renderer)
9224 {
9225     RegisterDataType(wxGRID_VALUE_STRING,
9226                      renderer,
9227                      GetDefaultEditorForType(wxGRID_VALUE_STRING));
9228 }
9229
9230 void wxGrid::SetDefaultEditor(wxGridCellEditor *editor)
9231 {
9232     RegisterDataType(wxGRID_VALUE_STRING,
9233                      GetDefaultRendererForType(wxGRID_VALUE_STRING),
9234                      editor);
9235 }
9236
9237 // ----------------------------------------------------------------------------
9238 // access to the default attrbiutes
9239 // ----------------------------------------------------------------------------
9240
9241 wxColour wxGrid::GetDefaultCellBackgroundColour()
9242 {
9243     return m_defaultCellAttr->GetBackgroundColour();
9244 }
9245
9246 wxColour wxGrid::GetDefaultCellTextColour()
9247 {
9248     return m_defaultCellAttr->GetTextColour();
9249 }
9250
9251 wxFont wxGrid::GetDefaultCellFont()
9252 {
9253     return m_defaultCellAttr->GetFont();
9254 }
9255
9256 void wxGrid::GetDefaultCellAlignment( int *horiz, int *vert )
9257 {
9258     m_defaultCellAttr->GetAlignment(horiz, vert);
9259 }
9260
9261 bool wxGrid::GetDefaultCellOverflow()
9262 {
9263     return m_defaultCellAttr->GetOverflow();
9264 }
9265
9266 wxGridCellRenderer *wxGrid::GetDefaultRenderer() const
9267 {
9268     return m_defaultCellAttr->GetRenderer(NULL, 0, 0);
9269 }
9270
9271 wxGridCellEditor *wxGrid::GetDefaultEditor() const
9272 {
9273     return m_defaultCellAttr->GetEditor(NULL, 0, 0);
9274 }
9275
9276 // ----------------------------------------------------------------------------
9277 // access to cell attributes
9278 // ----------------------------------------------------------------------------
9279
9280 wxColour wxGrid::GetCellBackgroundColour(int row, int col)
9281 {
9282     wxGridCellAttr *attr = GetCellAttr(row, col);
9283     wxColour colour = attr->GetBackgroundColour();
9284     attr->DecRef();
9285
9286     return colour;
9287 }
9288
9289 wxColour wxGrid::GetCellTextColour( int row, int col )
9290 {
9291     wxGridCellAttr *attr = GetCellAttr(row, col);
9292     wxColour colour = attr->GetTextColour();
9293     attr->DecRef();
9294
9295     return colour;
9296 }
9297
9298 wxFont wxGrid::GetCellFont( int row, int col )
9299 {
9300     wxGridCellAttr *attr = GetCellAttr(row, col);
9301     wxFont font = attr->GetFont();
9302     attr->DecRef();
9303
9304     return font;
9305 }
9306
9307 void wxGrid::GetCellAlignment( int row, int col, int *horiz, int *vert )
9308 {
9309     wxGridCellAttr *attr = GetCellAttr(row, col);
9310     attr->GetAlignment(horiz, vert);
9311     attr->DecRef();
9312 }
9313
9314 bool wxGrid::GetCellOverflow( int row, int col )
9315 {
9316     wxGridCellAttr *attr = GetCellAttr(row, col);
9317     bool allow = attr->GetOverflow();
9318     attr->DecRef();
9319
9320     return allow;
9321 }
9322
9323 void wxGrid::GetCellSize( int row, int col, int *num_rows, int *num_cols )
9324 {
9325     wxGridCellAttr *attr = GetCellAttr(row, col);
9326     attr->GetSize( num_rows, num_cols );
9327     attr->DecRef();
9328 }
9329
9330 wxGridCellRenderer* wxGrid::GetCellRenderer(int row, int col)
9331 {
9332     wxGridCellAttr* attr = GetCellAttr(row, col);
9333     wxGridCellRenderer* renderer = attr->GetRenderer(this, row, col);
9334     attr->DecRef();
9335
9336     return renderer;
9337 }
9338
9339 wxGridCellEditor* wxGrid::GetCellEditor(int row, int col)
9340 {
9341     wxGridCellAttr* attr = GetCellAttr(row, col);
9342     wxGridCellEditor* editor = attr->GetEditor(this, row, col);
9343     attr->DecRef();
9344
9345     return editor;
9346 }
9347
9348 bool wxGrid::IsReadOnly(int row, int col) const
9349 {
9350     wxGridCellAttr* attr = GetCellAttr(row, col);
9351     bool isReadOnly = attr->IsReadOnly();
9352     attr->DecRef();
9353
9354     return isReadOnly;
9355 }
9356
9357 // ----------------------------------------------------------------------------
9358 // attribute support: cache, automatic provider creation, ...
9359 // ----------------------------------------------------------------------------
9360
9361 bool wxGrid::CanHaveAttributes()
9362 {
9363     if ( !m_table )
9364     {
9365         return false;
9366     }
9367
9368     return m_table->CanHaveAttributes();
9369 }
9370
9371 void wxGrid::ClearAttrCache()
9372 {
9373     if ( m_attrCache.row != -1 )
9374     {
9375         wxSafeDecRef(m_attrCache.attr);
9376         m_attrCache.attr = NULL;
9377         m_attrCache.row = -1;
9378     }
9379 }
9380
9381 void wxGrid::CacheAttr(int row, int col, wxGridCellAttr *attr) const
9382 {
9383     if ( attr != NULL )
9384     {
9385         wxGrid *self = (wxGrid *)this;  // const_cast
9386
9387         self->ClearAttrCache();
9388         self->m_attrCache.row = row;
9389         self->m_attrCache.col = col;
9390         self->m_attrCache.attr = attr;
9391         wxSafeIncRef(attr);
9392     }
9393 }
9394
9395 bool wxGrid::LookupAttr(int row, int col, wxGridCellAttr **attr) const
9396 {
9397     if ( row == m_attrCache.row && col == m_attrCache.col )
9398     {
9399         *attr = m_attrCache.attr;
9400         wxSafeIncRef(m_attrCache.attr);
9401
9402 #ifdef DEBUG_ATTR_CACHE
9403         gs_nAttrCacheHits++;
9404 #endif
9405
9406         return true;
9407     }
9408     else
9409     {
9410 #ifdef DEBUG_ATTR_CACHE
9411         gs_nAttrCacheMisses++;
9412 #endif
9413
9414         return false;
9415     }
9416 }
9417
9418 wxGridCellAttr *wxGrid::GetCellAttr(int row, int col) const
9419 {
9420     wxGridCellAttr *attr = NULL;
9421     // Additional test to avoid looking at the cache e.g. for
9422     // wxNoCellCoords, as this will confuse memory management.
9423     if ( row >= 0 )
9424     {
9425         if ( !LookupAttr(row, col, &attr) )
9426         {
9427             attr = m_table ? m_table->GetAttr(row, col , wxGridCellAttr::Any)
9428                            : (wxGridCellAttr *)NULL;
9429             CacheAttr(row, col, attr);
9430         }
9431     }
9432
9433     if (attr)
9434     {
9435         attr->SetDefAttr(m_defaultCellAttr);
9436     }
9437     else
9438     {
9439         attr = m_defaultCellAttr;
9440         attr->IncRef();
9441     }
9442
9443     return attr;
9444 }
9445
9446 wxGridCellAttr *wxGrid::GetOrCreateCellAttr(int row, int col) const
9447 {
9448     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
9449     bool canHave = ((wxGrid*)this)->CanHaveAttributes();
9450
9451     wxCHECK_MSG( canHave, attr, _T("Cell attributes not allowed"));
9452     wxCHECK_MSG( m_table, attr, _T("must have a table") );
9453
9454     attr = m_table->GetAttr(row, col, wxGridCellAttr::Cell);
9455     if ( !attr )
9456     {
9457         attr = new wxGridCellAttr(m_defaultCellAttr);
9458
9459         // artificially inc the ref count to match DecRef() in caller
9460         attr->IncRef();
9461         m_table->SetAttr(attr, row, col);
9462     }
9463
9464     return attr;
9465 }
9466
9467 // ----------------------------------------------------------------------------
9468 // setting column attributes (wrappers around SetColAttr)
9469 // ----------------------------------------------------------------------------
9470
9471 void wxGrid::SetColFormatBool(int col)
9472 {
9473     SetColFormatCustom(col, wxGRID_VALUE_BOOL);
9474 }
9475
9476 void wxGrid::SetColFormatNumber(int col)
9477 {
9478     SetColFormatCustom(col, wxGRID_VALUE_NUMBER);
9479 }
9480
9481 void wxGrid::SetColFormatFloat(int col, int width, int precision)
9482 {
9483     wxString typeName = wxGRID_VALUE_FLOAT;
9484     if ( (width != -1) || (precision != -1) )
9485     {
9486         typeName << _T(':') << width << _T(',') << precision;
9487     }
9488
9489     SetColFormatCustom(col, typeName);
9490 }
9491
9492 void wxGrid::SetColFormatCustom(int col, const wxString& typeName)
9493 {
9494     wxGridCellAttr *attr = m_table->GetAttr(-1, col, wxGridCellAttr::Col );
9495     if (!attr)
9496         attr = new wxGridCellAttr;
9497     wxGridCellRenderer *renderer = GetDefaultRendererForType(typeName);
9498     attr->SetRenderer(renderer);
9499
9500     SetColAttr(col, attr);
9501
9502 }
9503
9504 // ----------------------------------------------------------------------------
9505 // setting cell attributes: this is forwarded to the table
9506 // ----------------------------------------------------------------------------
9507
9508 void wxGrid::SetAttr(int row, int col, wxGridCellAttr *attr)
9509 {
9510     if ( CanHaveAttributes() )
9511     {
9512         m_table->SetAttr(attr, row, col);
9513         ClearAttrCache();
9514     }
9515     else
9516     {
9517         wxSafeDecRef(attr);
9518     }
9519 }
9520
9521 void wxGrid::SetRowAttr(int row, wxGridCellAttr *attr)
9522 {
9523     if ( CanHaveAttributes() )
9524     {
9525         m_table->SetRowAttr(attr, row);
9526         ClearAttrCache();
9527     }
9528     else
9529     {
9530         wxSafeDecRef(attr);
9531     }
9532 }
9533
9534 void wxGrid::SetColAttr(int col, wxGridCellAttr *attr)
9535 {
9536     if ( CanHaveAttributes() )
9537     {
9538         m_table->SetColAttr(attr, col);
9539         ClearAttrCache();
9540     }
9541     else
9542     {
9543         wxSafeDecRef(attr);
9544     }
9545 }
9546
9547 void wxGrid::SetCellBackgroundColour( int row, int col, const wxColour& colour )
9548 {
9549     if ( CanHaveAttributes() )
9550     {
9551         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
9552         attr->SetBackgroundColour(colour);
9553         attr->DecRef();
9554     }
9555 }
9556
9557 void wxGrid::SetCellTextColour( int row, int col, const wxColour& colour )
9558 {
9559     if ( CanHaveAttributes() )
9560     {
9561         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
9562         attr->SetTextColour(colour);
9563         attr->DecRef();
9564     }
9565 }
9566
9567 void wxGrid::SetCellFont( int row, int col, const wxFont& font )
9568 {
9569     if ( CanHaveAttributes() )
9570     {
9571         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
9572         attr->SetFont(font);
9573         attr->DecRef();
9574     }
9575 }
9576
9577 void wxGrid::SetCellAlignment( int row, int col, int horiz, int vert )
9578 {
9579     if ( CanHaveAttributes() )
9580     {
9581         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
9582         attr->SetAlignment(horiz, vert);
9583         attr->DecRef();
9584     }
9585 }
9586
9587 void wxGrid::SetCellOverflow( int row, int col, bool allow )
9588 {
9589     if ( CanHaveAttributes() )
9590     {
9591         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
9592         attr->SetOverflow(allow);
9593         attr->DecRef();
9594     }
9595 }
9596
9597 void wxGrid::SetCellSize( int row, int col, int num_rows, int num_cols )
9598 {
9599     if ( CanHaveAttributes() )
9600     {
9601         int cell_rows, cell_cols;
9602
9603         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
9604         attr->GetSize(&cell_rows, &cell_cols);
9605         attr->SetSize(num_rows, num_cols);
9606         attr->DecRef();
9607
9608         // Cannot set the size of a cell to 0 or negative values
9609         // While it is perfectly legal to do that, this function cannot
9610         // handle all the possibilies, do it by hand by getting the CellAttr.
9611         // You can only set the size of a cell to 1,1 or greater with this fn
9612         wxASSERT_MSG( !((cell_rows < 1) || (cell_cols < 1)),
9613                       wxT("wxGrid::SetCellSize setting cell size that is already part of another cell"));
9614         wxASSERT_MSG( !((num_rows < 1) || (num_cols < 1)),
9615                       wxT("wxGrid::SetCellSize setting cell size to < 1"));
9616
9617         // if this was already a multicell then "turn off" the other cells first
9618         if ((cell_rows > 1) || (cell_rows > 1))
9619         {
9620             int i, j;
9621             for (j=row; j < row + cell_rows; j++)
9622             {
9623                 for (i=col; i < col + cell_cols; i++)
9624                 {
9625                     if ((i != col) || (j != row))
9626                     {
9627                         wxGridCellAttr *attr_stub = GetOrCreateCellAttr(j, i);
9628                         attr_stub->SetSize( 1, 1 );
9629                         attr_stub->DecRef();
9630                     }
9631                 }
9632             }
9633         }
9634
9635         // mark the cells that will be covered by this cell to
9636         // negative or zero values to point back at this cell
9637         if (((num_rows > 1) || (num_cols > 1)) && (num_rows >= 1) && (num_cols >= 1))
9638         {
9639             int i, j;
9640             for (j=row; j < row + num_rows; j++)
9641             {
9642                 for (i=col; i < col + num_cols; i++)
9643                 {
9644                     if ((i != col) || (j != row))
9645                     {
9646                         wxGridCellAttr *attr_stub = GetOrCreateCellAttr(j, i);
9647                         attr_stub->SetSize( row - j, col - i );
9648                         attr_stub->DecRef();
9649                     }
9650                 }
9651             }
9652         }
9653     }
9654 }
9655
9656 void wxGrid::SetCellRenderer(int row, int col, wxGridCellRenderer *renderer)
9657 {
9658     if ( CanHaveAttributes() )
9659     {
9660         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
9661         attr->SetRenderer(renderer);
9662         attr->DecRef();
9663     }
9664 }
9665
9666 void wxGrid::SetCellEditor(int row, int col, wxGridCellEditor* editor)
9667 {
9668     if ( CanHaveAttributes() )
9669     {
9670         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
9671         attr->SetEditor(editor);
9672         attr->DecRef();
9673     }
9674 }
9675
9676 void wxGrid::SetReadOnly(int row, int col, bool isReadOnly)
9677 {
9678     if ( CanHaveAttributes() )
9679     {
9680         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
9681         attr->SetReadOnly(isReadOnly);
9682         attr->DecRef();
9683     }
9684 }
9685
9686 // ----------------------------------------------------------------------------
9687 // Data type registration
9688 // ----------------------------------------------------------------------------
9689
9690 void wxGrid::RegisterDataType(const wxString& typeName,
9691                               wxGridCellRenderer* renderer,
9692                               wxGridCellEditor* editor)
9693 {
9694     m_typeRegistry->RegisterDataType(typeName, renderer, editor);
9695 }
9696
9697
9698 wxGridCellEditor* wxGrid::GetDefaultEditorForCell(int row, int col) const
9699 {
9700     wxString typeName = m_table->GetTypeName(row, col);
9701     return GetDefaultEditorForType(typeName);
9702 }
9703
9704 wxGridCellRenderer* wxGrid::GetDefaultRendererForCell(int row, int col) const
9705 {
9706     wxString typeName = m_table->GetTypeName(row, col);
9707     return GetDefaultRendererForType(typeName);
9708 }
9709
9710 wxGridCellEditor* wxGrid::GetDefaultEditorForType(const wxString& typeName) const
9711 {
9712     int index = m_typeRegistry->FindOrCloneDataType(typeName);
9713     if ( index == wxNOT_FOUND )
9714     {
9715         wxString errStr;
9716
9717         errStr.Printf(wxT("Unknown data type name [%s]"), typeName.c_str());
9718         wxFAIL_MSG(errStr.c_str());
9719
9720         return NULL;
9721     }
9722
9723     return m_typeRegistry->GetEditor(index);
9724 }
9725
9726 wxGridCellRenderer* wxGrid::GetDefaultRendererForType(const wxString& typeName) const
9727 {
9728     int index = m_typeRegistry->FindOrCloneDataType(typeName);
9729     if ( index == wxNOT_FOUND )
9730     {
9731         wxString errStr;
9732
9733         errStr.Printf(wxT("Unknown data type name [%s]"), typeName.c_str());
9734         wxFAIL_MSG(errStr.c_str());
9735
9736         return NULL;
9737     }
9738
9739     return m_typeRegistry->GetRenderer(index);
9740 }
9741
9742 // ----------------------------------------------------------------------------
9743 // row/col size
9744 // ----------------------------------------------------------------------------
9745
9746 void wxGrid::EnableDragRowSize( bool enable )
9747 {
9748     m_canDragRowSize = enable;
9749 }
9750
9751 void wxGrid::EnableDragColSize( bool enable )
9752 {
9753     m_canDragColSize = enable;
9754 }
9755
9756 void wxGrid::EnableDragGridSize( bool enable )
9757 {
9758     m_canDragGridSize = enable;
9759 }
9760
9761 void wxGrid::EnableDragCell( bool enable )
9762 {
9763     m_canDragCell = enable;
9764 }
9765
9766 void wxGrid::SetDefaultRowSize( int height, bool resizeExistingRows )
9767 {
9768     m_defaultRowHeight = wxMax( height, m_minAcceptableRowHeight );
9769
9770     if ( resizeExistingRows )
9771     {
9772         // since we are resizing all rows to the default row size,
9773         // we can simply clear the row heights and row bottoms
9774         // arrays (which also allows us to take advantage of
9775         // some speed optimisations)
9776         m_rowHeights.Empty();
9777         m_rowBottoms.Empty();
9778         if ( !GetBatchCount() )
9779             CalcDimensions();
9780     }
9781 }
9782
9783 void wxGrid::SetRowSize( int row, int height )
9784 {
9785     wxCHECK_RET( row >= 0 && row < m_numRows, _T("invalid row index") );
9786
9787     // See comment in SetColSize
9788     if ( height < GetRowMinimalAcceptableHeight())
9789         return;
9790
9791     if ( m_rowHeights.IsEmpty() )
9792     {
9793         // need to really create the array
9794         InitRowHeights();
9795     }
9796
9797     int h = wxMax( 0, height );
9798     int diff = h - m_rowHeights[row];
9799
9800     m_rowHeights[row] = h;
9801     int i;
9802     for ( i = row;  i < m_numRows;  i++ )
9803     {
9804         m_rowBottoms[i] += diff;
9805     }
9806
9807     if ( !GetBatchCount() )
9808         CalcDimensions();
9809 }
9810
9811 void wxGrid::SetDefaultColSize( int width, bool resizeExistingCols )
9812 {
9813     m_defaultColWidth = wxMax( width, m_minAcceptableColWidth );
9814
9815     if ( resizeExistingCols )
9816     {
9817         // since we are resizing all columns to the default column size,
9818         // we can simply clear the col widths and col rights
9819         // arrays (which also allows us to take advantage of
9820         // some speed optimisations)
9821         m_colWidths.Empty();
9822         m_colRights.Empty();
9823         if ( !GetBatchCount() )
9824             CalcDimensions();
9825     }
9826 }
9827
9828 void wxGrid::SetColSize( int col, int width )
9829 {
9830     wxCHECK_RET( col >= 0 && col < m_numCols, _T("invalid column index") );
9831
9832     // should we check that it's bigger than GetColMinimalWidth(col) here?
9833     //                                                                 (VZ)
9834     // No, because it is reasonable to assume the library user know's
9835     // what he is doing. However whe should test against the weaker
9836     // constariant of minimalAcceptableWidth, as this breaks rendering
9837     //
9838     // This test then fixes sf.net bug #645734
9839
9840     if ( width < GetColMinimalAcceptableWidth() )
9841         return;
9842
9843     if ( m_colWidths.IsEmpty() )
9844     {
9845         // need to really create the array
9846         InitColWidths();
9847     }
9848
9849     // if < 0 calc new width from label
9850     if ( width < 0 )
9851     {
9852       long w, h;
9853       wxArrayString lines;
9854       wxClientDC dc(m_colLabelWin);
9855       dc.SetFont(GetLabelFont());
9856       StringToLines(GetColLabelValue(col), lines);
9857       GetTextBoxSize(dc, lines, &w, &h);
9858       width = w + 6;
9859     }
9860
9861     int w = wxMax( 0, width );
9862     int diff = w - m_colWidths[col];
9863     m_colWidths[col] = w;
9864
9865     int i;
9866     for ( i = col;  i < m_numCols;  i++ )
9867     {
9868         m_colRights[i] += diff;
9869     }
9870
9871     if ( !GetBatchCount() )
9872         CalcDimensions();
9873 }
9874
9875 void wxGrid::SetColMinimalWidth( int col, int width )
9876 {
9877     if (width > GetColMinimalAcceptableWidth())
9878     {
9879         wxLongToLongHashMap::key_type key = (wxLongToLongHashMap::key_type)col;
9880         m_colMinWidths[key] = width;
9881     }
9882 }
9883
9884 void wxGrid::SetRowMinimalHeight( int row, int width )
9885 {
9886     if (width > GetRowMinimalAcceptableHeight())
9887     {
9888         wxLongToLongHashMap::key_type key = (wxLongToLongHashMap::key_type)row;
9889         m_rowMinHeights[key] = width;
9890     }
9891 }
9892
9893 int wxGrid::GetColMinimalWidth(int col) const
9894 {
9895     wxLongToLongHashMap::key_type key = (wxLongToLongHashMap::key_type)col;
9896     wxLongToLongHashMap::const_iterator it = m_colMinWidths.find(key);
9897
9898     return it != m_colMinWidths.end() ? (int)it->second : m_minAcceptableColWidth;
9899 }
9900
9901 int wxGrid::GetRowMinimalHeight(int row) const
9902 {
9903     wxLongToLongHashMap::key_type key = (wxLongToLongHashMap::key_type)row;
9904     wxLongToLongHashMap::const_iterator it = m_rowMinHeights.find(key);
9905
9906     return it != m_rowMinHeights.end() ? (int)it->second : m_minAcceptableRowHeight;
9907 }
9908
9909 void wxGrid::SetColMinimalAcceptableWidth( int width )
9910 {
9911     // We do allow a width of 0 since this gives us
9912     // an easy way to temporarily hiding columns.
9913     if ( width >= 0 )
9914         m_minAcceptableColWidth = width;
9915 }
9916
9917 void wxGrid::SetRowMinimalAcceptableHeight( int height )
9918 {
9919     // We do allow a height of 0 since this gives us
9920     // an easy way to temporarily hiding rows.
9921     if ( height >= 0 )
9922         m_minAcceptableRowHeight = height;
9923 }
9924
9925 int  wxGrid::GetColMinimalAcceptableWidth() const
9926 {
9927     return m_minAcceptableColWidth;
9928 }
9929
9930 int  wxGrid::GetRowMinimalAcceptableHeight() const
9931 {
9932     return m_minAcceptableRowHeight;
9933 }
9934
9935 // ----------------------------------------------------------------------------
9936 // auto sizing
9937 // ----------------------------------------------------------------------------
9938
9939 void wxGrid::AutoSizeColOrRow( int colOrRow, bool setAsMin, bool column )
9940 {
9941     wxClientDC dc(m_gridWin);
9942
9943     // cancel editing of cell
9944     HideCellEditControl();
9945     SaveEditControlValue();
9946
9947     // init both of them to avoid compiler warnings, even if we only need one
9948     int row = -1,
9949         col = -1;
9950     if ( column )
9951         col = colOrRow;
9952     else
9953         row = colOrRow;
9954
9955     wxCoord extent, extentMax = 0;
9956     int max = column ? m_numRows : m_numCols;
9957     for ( int rowOrCol = 0; rowOrCol < max; rowOrCol++ )
9958     {
9959         if ( column )
9960             row = rowOrCol;
9961         else
9962             col = rowOrCol;
9963
9964         wxGridCellAttr *attr = GetCellAttr(row, col);
9965         wxGridCellRenderer *renderer = attr->GetRenderer(this, row, col);
9966         if ( renderer )
9967         {
9968             wxSize size = renderer->GetBestSize(*this, *attr, dc, row, col);
9969             extent = column ? size.x : size.y;
9970             if ( extent > extentMax )
9971             {
9972                 extentMax = extent;
9973             }
9974
9975             renderer->DecRef();
9976         }
9977
9978         attr->DecRef();
9979     }
9980
9981     // now also compare with the column label extent
9982     wxCoord w, h;
9983     dc.SetFont( GetLabelFont() );
9984
9985     if ( column )
9986     {
9987         dc.GetTextExtent( GetColLabelValue(col), &w, &h );
9988         if ( GetColLabelTextOrientation() == wxVERTICAL )
9989             w = h;
9990     }
9991     else
9992         dc.GetTextExtent( GetRowLabelValue(row), &w, &h );
9993
9994     extent = column ? w : h;
9995     if ( extent > extentMax )
9996     {
9997         extentMax = extent;
9998     }
9999
10000     if ( !extentMax )
10001     {
10002         // empty column - give default extent (notice that if extentMax is less
10003         // than default extent but != 0, it's OK)
10004         extentMax = column ? m_defaultColWidth : m_defaultRowHeight;
10005     }
10006     else
10007     {
10008         if ( column )
10009             // leave some space around text
10010             extentMax += 10;
10011         else
10012             extentMax += 6;
10013     }
10014
10015     if ( column )
10016     {
10017         SetColSize( col, extentMax );
10018         if ( !GetBatchCount() )
10019         {
10020             int cw, ch, dummy;
10021             m_gridWin->GetClientSize( &cw, &ch );
10022             wxRect rect ( CellToRect( 0, col ) );
10023             rect.y = 0;
10024             CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
10025             rect.width = cw - rect.x;
10026             rect.height = m_colLabelHeight;
10027             m_colLabelWin->Refresh( true, &rect );
10028         }
10029     }
10030     else
10031     {
10032         SetRowSize(row, extentMax);
10033         if ( !GetBatchCount() )
10034         {
10035             int cw, ch, dummy;
10036             m_gridWin->GetClientSize( &cw, &ch );
10037             wxRect rect ( CellToRect( row, 0 ) );
10038             rect.x = 0;
10039             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
10040             rect.width = m_rowLabelWidth;
10041             rect.height = ch - rect.y;
10042             m_rowLabelWin->Refresh( true, &rect );
10043         }
10044     }
10045
10046     if ( setAsMin )
10047     {
10048         if ( column )
10049             SetColMinimalWidth(col, extentMax);
10050         else
10051             SetRowMinimalHeight(row, extentMax);
10052     }
10053 }
10054
10055 int wxGrid::SetOrCalcColumnSizes(bool calcOnly, bool setAsMin)
10056 {
10057     int width = m_rowLabelWidth;
10058
10059     if ( !calcOnly )
10060         BeginBatch();
10061
10062     for ( int col = 0; col < m_numCols; col++ )
10063     {
10064         if ( !calcOnly )
10065         {
10066             AutoSizeColumn(col, setAsMin);
10067         }
10068
10069         width += GetColWidth(col);
10070     }
10071
10072     if ( !calcOnly )
10073         EndBatch();
10074
10075     return width;
10076 }
10077
10078 int wxGrid::SetOrCalcRowSizes(bool calcOnly, bool setAsMin)
10079 {
10080     int height = m_colLabelHeight;
10081
10082     if ( !calcOnly )
10083         BeginBatch();
10084
10085     for ( int row = 0; row < m_numRows; row++ )
10086     {
10087         if ( !calcOnly )
10088             AutoSizeRow(row, setAsMin);
10089
10090         height += GetRowHeight(row);
10091     }
10092
10093     if ( !calcOnly )
10094         EndBatch();
10095
10096     return height;
10097 }
10098
10099 void wxGrid::AutoSize()
10100 {
10101     BeginBatch();
10102
10103     wxSize size(SetOrCalcColumnSizes(false), SetOrCalcRowSizes(false));
10104
10105     // round up the size to a multiple of scroll step - this ensures that we
10106     // won't get the scrollbars if we're sized exactly to this width
10107     // CalcDimension adds m_extraWidth + 1 etc. to calculate the necessary
10108     // scrollbar steps
10109     wxSize sizeFit(
10110         GetScrollX(size.x + m_extraWidth + 1) * m_scrollLineX,
10111         GetScrollY(size.y + m_extraHeight + 1) * m_scrollLineY);
10112
10113     // distribute the extra space between the columns/rows to avoid having
10114     // extra white space
10115
10116     // Remove the extra m_extraWidth + 1 added above
10117     wxCoord diff = sizeFit.x - size.x + (m_extraWidth + 1);
10118     if ( diff && m_numCols )
10119     {
10120         // try to resize the columns uniformly
10121         wxCoord diffPerCol = diff / m_numCols;
10122         if ( diffPerCol )
10123         {
10124             for ( int col = 0; col < m_numCols; col++ )
10125             {
10126                 SetColSize(col, GetColWidth(col) + diffPerCol);
10127             }
10128         }
10129
10130         // add remaining amount to the last columns
10131         diff -= diffPerCol * m_numCols;
10132         if ( diff )
10133         {
10134             for ( int col = m_numCols - 1; col >= m_numCols - diff; col-- )
10135             {
10136                 SetColSize(col, GetColWidth(col) + 1);
10137             }
10138         }
10139     }
10140
10141     // same for rows
10142     diff = sizeFit.y - size.y - (m_extraHeight + 1);
10143     if ( diff && m_numRows )
10144     {
10145         // try to resize the columns uniformly
10146         wxCoord diffPerRow = diff / m_numRows;
10147         if ( diffPerRow )
10148         {
10149             for ( int row = 0; row < m_numRows; row++ )
10150             {
10151                 SetRowSize(row, GetRowHeight(row) + diffPerRow);
10152             }
10153         }
10154
10155         // add remaining amount to the last rows
10156         diff -= diffPerRow * m_numRows;
10157         if ( diff )
10158         {
10159             for ( int row = m_numRows - 1; row >= m_numRows - diff; row-- )
10160             {
10161                 SetRowSize(row, GetRowHeight(row) + 1);
10162             }
10163         }
10164     }
10165
10166     EndBatch();
10167
10168     SetClientSize(sizeFit);
10169 }
10170
10171 void wxGrid::AutoSizeRowLabelSize( int row )
10172 {
10173     wxArrayString lines;
10174     long w, h;
10175
10176     // Hide the edit control, so it
10177     // won't interfere with drag-shrinking.
10178     if ( IsCellEditControlShown() )
10179     {
10180         HideCellEditControl();
10181         SaveEditControlValue();
10182     }
10183
10184     // autosize row height depending on label text
10185     StringToLines( GetRowLabelValue( row ), lines );
10186     wxClientDC dc( m_rowLabelWin );
10187     GetTextBoxSize( dc, lines, &w, &h);
10188     if ( h < m_defaultRowHeight )
10189         h = m_defaultRowHeight;
10190     SetRowSize(row, h);
10191     ForceRefresh();
10192 }
10193
10194 void wxGrid::AutoSizeColLabelSize( int col )
10195 {
10196     wxArrayString lines;
10197     long w, h;
10198
10199     // Hide the edit control, so it
10200     // won't interfer with drag-shrinking.
10201     if ( IsCellEditControlShown() )
10202     {
10203         HideCellEditControl();
10204         SaveEditControlValue();
10205     }
10206
10207     // autosize column width depending on label text
10208     StringToLines( GetColLabelValue( col ), lines );
10209     wxClientDC dc( m_colLabelWin );
10210     if ( GetColLabelTextOrientation() == wxHORIZONTAL )
10211         GetTextBoxSize( dc, lines, &w, &h );
10212     else
10213         GetTextBoxSize( dc, lines, &h, &w );
10214     if ( w < m_defaultColWidth )
10215         w = m_defaultColWidth;
10216     SetColSize(col, w);
10217     ForceRefresh();
10218 }
10219
10220 wxSize wxGrid::DoGetBestSize() const
10221 {
10222     // don't set sizes, only calculate them
10223     wxGrid *self = (wxGrid *)this;  // const_cast
10224
10225     int width, height;
10226     width = self->SetOrCalcColumnSizes(true);
10227     height = self->SetOrCalcRowSizes(true);
10228
10229     if (!width)
10230         width = 100;
10231     if (!height)
10232         height = 80;
10233
10234     // Round up to a multiple the scroll rate
10235     // NOTE: this still doesn't get rid  of the scrollbars;
10236     // is there any magic incantation for that?
10237     int xpu, ypu;
10238     GetScrollPixelsPerUnit(&xpu, &ypu);
10239     if (xpu)
10240         width  += 1 + xpu - (width  % xpu);
10241     if (ypu)
10242         height += 1 + ypu - (height % ypu);
10243
10244     // limit to 1/4 of the screen size
10245     int maxwidth, maxheight;
10246     wxDisplaySize( &maxwidth, &maxheight );
10247     maxwidth /= 2;
10248     maxheight /= 2;
10249     if ( width > maxwidth )
10250         width = maxwidth;
10251     if ( height > maxheight )
10252         height = maxheight;
10253
10254     wxSize best(width, height);
10255
10256     // NOTE: This size should be cached, but first we need to add calls to
10257     // InvalidateBestSize everywhere that could change the results of this
10258     // calculation.
10259     // CacheBestSize(size);
10260
10261     return best;
10262 }
10263
10264 void wxGrid::Fit()
10265 {
10266     AutoSize();
10267 }
10268
10269 wxPen& wxGrid::GetDividerPen() const
10270 {
10271     return wxNullPen;
10272 }
10273
10274 // ----------------------------------------------------------------------------
10275 // cell value accessor functions
10276 // ----------------------------------------------------------------------------
10277
10278 void wxGrid::SetCellValue( int row, int col, const wxString& s )
10279 {
10280     if ( m_table )
10281     {
10282         m_table->SetValue( row, col, s );
10283         if ( !GetBatchCount() )
10284         {
10285             int dummy;
10286             wxRect rect( CellToRect( row, col ) );
10287             rect.x = 0;
10288             rect.width = m_gridWin->GetClientSize().GetWidth();
10289             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
10290             m_gridWin->Refresh( false, &rect );
10291         }
10292
10293         if ( m_currentCellCoords.GetRow() == row &&
10294              m_currentCellCoords.GetCol() == col &&
10295              IsCellEditControlShown())
10296              // Note: If we are using IsCellEditControlEnabled,
10297              // this interacts badly with calling SetCellValue from
10298              // an EVT_GRID_CELL_CHANGE handler.
10299         {
10300             HideCellEditControl();
10301             ShowCellEditControl(); // will reread data from table
10302         }
10303     }
10304 }
10305
10306 // ----------------------------------------------------------------------------
10307 // block, row and column selection
10308 // ----------------------------------------------------------------------------
10309
10310 void wxGrid::SelectRow( int row, bool addToSelected )
10311 {
10312     if ( IsSelection() && !addToSelected )
10313         ClearSelection();
10314
10315     if ( m_selection )
10316         m_selection->SelectRow( row, false, addToSelected );
10317 }
10318
10319 void wxGrid::SelectCol( int col, bool addToSelected )
10320 {
10321     if ( IsSelection() && !addToSelected )
10322         ClearSelection();
10323
10324     if ( m_selection )
10325         m_selection->SelectCol( col, false, addToSelected );
10326 }
10327
10328 void wxGrid::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol,
10329                           bool addToSelected )
10330 {
10331     if ( IsSelection() && !addToSelected )
10332         ClearSelection();
10333
10334     if ( m_selection )
10335         m_selection->SelectBlock( topRow, leftCol, bottomRow, rightCol,
10336                                   false, addToSelected );
10337 }
10338
10339 void wxGrid::SelectAll()
10340 {
10341     if ( m_numRows > 0 && m_numCols > 0 )
10342     {
10343         if ( m_selection )
10344             m_selection->SelectBlock( 0, 0, m_numRows-1, m_numCols-1 );
10345     }
10346 }
10347
10348 // ----------------------------------------------------------------------------
10349 // cell, row and col deselection
10350 // ----------------------------------------------------------------------------
10351
10352 void wxGrid::DeselectRow( int row )
10353 {
10354     if ( !m_selection )
10355         return;
10356
10357     if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectRows )
10358     {
10359         if ( m_selection->IsInSelection(row, 0 ) )
10360             m_selection->ToggleCellSelection(row, 0);
10361     }
10362     else
10363     {
10364         int nCols = GetNumberCols();
10365         for ( int i = 0; i < nCols; i++ )
10366         {
10367             if ( m_selection->IsInSelection(row, i ) )
10368                 m_selection->ToggleCellSelection(row, i);
10369         }
10370     }
10371 }
10372
10373 void wxGrid::DeselectCol( int col )
10374 {
10375     if ( !m_selection )
10376         return;
10377
10378     if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectColumns )
10379     {
10380         if ( m_selection->IsInSelection(0, col ) )
10381             m_selection->ToggleCellSelection(0, col);
10382     }
10383     else
10384     {
10385         int nRows = GetNumberRows();
10386         for ( int i = 0; i < nRows; i++ )
10387         {
10388             if ( m_selection->IsInSelection(i, col ) )
10389                 m_selection->ToggleCellSelection(i, col);
10390         }
10391     }
10392 }
10393
10394 void wxGrid::DeselectCell( int row, int col )
10395 {
10396     if ( m_selection && m_selection->IsInSelection(row, col) )
10397         m_selection->ToggleCellSelection(row, col);
10398 }
10399
10400 bool wxGrid::IsSelection()
10401 {
10402     return ( m_selection && (m_selection->IsSelection() ||
10403              ( m_selectingTopLeft != wxGridNoCellCoords &&
10404                m_selectingBottomRight != wxGridNoCellCoords) ) );
10405 }
10406
10407 bool wxGrid::IsInSelection( int row, int col ) const
10408 {
10409     return ( m_selection && (m_selection->IsInSelection( row, col ) ||
10410              ( row >= m_selectingTopLeft.GetRow() &&
10411                col >= m_selectingTopLeft.GetCol() &&
10412                row <= m_selectingBottomRight.GetRow() &&
10413                col <= m_selectingBottomRight.GetCol() )) );
10414 }
10415
10416 wxGridCellCoordsArray wxGrid::GetSelectedCells() const
10417 {
10418     if (!m_selection)
10419     {
10420         wxGridCellCoordsArray a;
10421         return a;
10422     }
10423
10424     return m_selection->m_cellSelection;
10425 }
10426
10427 wxGridCellCoordsArray wxGrid::GetSelectionBlockTopLeft() const
10428 {
10429     if (!m_selection)
10430     {
10431         wxGridCellCoordsArray a;
10432         return a;
10433     }
10434
10435     return m_selection->m_blockSelectionTopLeft;
10436 }
10437
10438 wxGridCellCoordsArray wxGrid::GetSelectionBlockBottomRight() const
10439 {
10440     if (!m_selection)
10441     {
10442         wxGridCellCoordsArray a;
10443         return a;
10444     }
10445
10446     return m_selection->m_blockSelectionBottomRight;
10447 }
10448
10449 wxArrayInt wxGrid::GetSelectedRows() const
10450 {
10451     if (!m_selection)
10452     {
10453         wxArrayInt a;
10454         return a;
10455     }
10456
10457     return m_selection->m_rowSelection;
10458 }
10459
10460 wxArrayInt wxGrid::GetSelectedCols() const
10461 {
10462     if (!m_selection)
10463     {
10464         wxArrayInt a;
10465         return a;
10466     }
10467
10468     return m_selection->m_colSelection;
10469 }
10470
10471 void wxGrid::ClearSelection()
10472 {
10473     m_selectingTopLeft = wxGridNoCellCoords;
10474     m_selectingBottomRight = wxGridNoCellCoords;
10475     if ( m_selection )
10476         m_selection->ClearSelection();
10477 }
10478
10479 // This function returns the rectangle that encloses the given block
10480 // in device coords clipped to the client size of the grid window.
10481 //
10482 wxRect wxGrid::BlockToDeviceRect( const wxGridCellCoords &topLeft,
10483                                   const wxGridCellCoords &bottomRight )
10484 {
10485     wxRect rect( wxGridNoCellRect );
10486     wxRect cellRect;
10487
10488     cellRect = CellToRect( topLeft );
10489     if ( cellRect != wxGridNoCellRect )
10490     {
10491         rect = cellRect;
10492     }
10493     else
10494     {
10495         rect = wxRect(0, 0, 0, 0);
10496     }
10497
10498     cellRect = CellToRect( bottomRight );
10499     if ( cellRect != wxGridNoCellRect )
10500     {
10501         rect += cellRect;
10502     }
10503     else
10504     {
10505         return wxGridNoCellRect;
10506     }
10507
10508     int i, j;
10509     int left = rect.GetLeft();
10510     int top = rect.GetTop();
10511     int right = rect.GetRight();
10512     int bottom = rect.GetBottom();
10513
10514     int leftCol = topLeft.GetCol();
10515     int topRow = topLeft.GetRow();
10516     int rightCol = bottomRight.GetCol();
10517     int bottomRow = bottomRight.GetRow();
10518
10519     if (left > right)
10520     {
10521         i = left;
10522         left = right;
10523         right = i;
10524         i = leftCol;
10525         leftCol = rightCol;
10526         rightCol = i;
10527     }
10528
10529     if (top > bottom)
10530     {
10531         i = top;
10532         top = bottom;
10533         bottom = i;
10534         i = topRow;
10535         topRow = bottomRow;
10536         bottomRow = i;
10537     }
10538
10539     for ( j = topRow; j <= bottomRow; j++ )
10540     {
10541         for ( i = leftCol; i <= rightCol; i++ )
10542         {
10543             if ((j == topRow) || (j == bottomRow) || (i == leftCol) || (i == rightCol))
10544             {
10545                 cellRect = CellToRect( j, i );
10546
10547                 if (cellRect.x < left)
10548                     left = cellRect.x;
10549                 if (cellRect.y < top)
10550                     top = cellRect.y;
10551                 if (cellRect.x + cellRect.width > right)
10552                     right = cellRect.x + cellRect.width;
10553                 if (cellRect.y + cellRect.height > bottom)
10554                     bottom = cellRect.y + cellRect.height;
10555             }
10556             else
10557             {
10558                 i = rightCol; // jump over inner cells.
10559             }
10560         }
10561     }
10562
10563     // convert to scrolled coords
10564     //
10565     CalcScrolledPosition( left, top, &left, &top );
10566     CalcScrolledPosition( right, bottom, &right, &bottom );
10567
10568     int cw, ch;
10569     m_gridWin->GetClientSize( &cw, &ch );
10570
10571     if (right < 0 || bottom < 0 || left > cw || top > ch)
10572         return wxRect(0,0,0,0);
10573
10574     rect.SetLeft( wxMax(0, left) );
10575     rect.SetTop( wxMax(0, top) );
10576     rect.SetRight( wxMin(cw, right) );
10577     rect.SetBottom( wxMin(ch, bottom) );
10578
10579     return rect;
10580 }
10581
10582 // ----------------------------------------------------------------------------
10583 // grid event classes
10584 // ----------------------------------------------------------------------------
10585
10586 IMPLEMENT_DYNAMIC_CLASS( wxGridEvent, wxNotifyEvent )
10587
10588 wxGridEvent::wxGridEvent( int id, wxEventType type, wxObject* obj,
10589                           int row, int col, int x, int y, bool sel,
10590                           bool control, bool shift, bool alt, bool meta )
10591         : wxNotifyEvent( type, id )
10592 {
10593     m_row = row;
10594     m_col = col;
10595     m_x = x;
10596     m_y = y;
10597     m_selecting = sel;
10598     m_control = control;
10599     m_shift = shift;
10600     m_alt = alt;
10601     m_meta = meta;
10602
10603     SetEventObject(obj);
10604 }
10605
10606
10607 IMPLEMENT_DYNAMIC_CLASS( wxGridSizeEvent, wxNotifyEvent )
10608
10609 wxGridSizeEvent::wxGridSizeEvent( int id, wxEventType type, wxObject* obj,
10610                                   int rowOrCol, int x, int y,
10611                                   bool control, bool shift, bool alt, bool meta )
10612         : wxNotifyEvent( type, id )
10613 {
10614     m_rowOrCol = rowOrCol;
10615     m_x = x;
10616     m_y = y;
10617     m_control = control;
10618     m_shift = shift;
10619     m_alt = alt;
10620     m_meta = meta;
10621
10622     SetEventObject(obj);
10623 }
10624
10625
10626 IMPLEMENT_DYNAMIC_CLASS( wxGridRangeSelectEvent, wxNotifyEvent )
10627
10628 wxGridRangeSelectEvent::wxGridRangeSelectEvent(int id, wxEventType type, wxObject* obj,
10629                                                const wxGridCellCoords& topLeft,
10630                                                const wxGridCellCoords& bottomRight,
10631                                                bool sel, bool control,
10632                                                bool shift, bool alt, bool meta )
10633         : wxNotifyEvent( type, id )
10634 {
10635     m_topLeft = topLeft;
10636     m_bottomRight = bottomRight;
10637     m_selecting = sel;
10638     m_control = control;
10639     m_shift = shift;
10640     m_alt = alt;
10641     m_meta = meta;
10642
10643     SetEventObject(obj);
10644 }
10645
10646
10647 IMPLEMENT_DYNAMIC_CLASS(wxGridEditorCreatedEvent, wxCommandEvent)
10648
10649 wxGridEditorCreatedEvent::wxGridEditorCreatedEvent(int id, wxEventType type,
10650                                                    wxObject* obj, int row,
10651                                                    int col, wxControl* ctrl)
10652     : wxCommandEvent(type, id)
10653 {
10654     SetEventObject(obj);
10655     m_row = row;
10656     m_col = col;
10657     m_ctrl = ctrl;
10658 }
10659
10660 #endif // wxUSE_GRID