src/generic/grid.cpp

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