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 #ifdef __GNUG__
  21     #pragma implementation "grid.h"
  22 #endif
  23
  24 // For compilers that support precompilatixon, includes "wx/wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #include "wx/defs.h"
  28
  29 #ifdef __BORLANDC__
  30     #pragma hdrstop
  31 #endif
  32
  33 #if 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 #endif
  45
  46 #include "wx/textfile.h"
  47 #include "wx/spinctrl.h"
  48 #include "wx/tokenzr.h"
  49
  50 #include "wx/grid.h"
  51 #include "wx/generic/gridsel.h"
  52
  53 #if defined(__WXMOTIF__)
  54     #define WXUNUSED_MOTIF(identifier)  WXUNUSED(identifier)
  55 #else
  56     #define WXUNUSED_MOTIF(identifier)  identifier
  57 #endif
  58
  59 #if defined(__WXGTK__)
  60     #define WXUNUSED_GTK(identifier)    WXUNUSED(identifier)
  61 #else
  62     #define WXUNUSED_GTK(identifier)    identifier
  63 #endif
  64
  65 // Required for wxIs... functions
  66 #include <ctype.h>
  67
  68 // ----------------------------------------------------------------------------
  69 // array classes
  70 // ----------------------------------------------------------------------------
  71
  72 WX_DEFINE_EXPORTED_ARRAY(wxGridCellAttr *, wxArrayAttrs);
  73
  74 struct wxGridCellWithAttr
  75 {
  76     wxGridCellWithAttr(int row, int col, wxGridCellAttr *attr_)
  77         : coords(row, col), attr(attr_)
  78     {
  79     }
  80
  81     ~wxGridCellWithAttr()
  82     {
  83         attr->DecRef();
  84     }
  85
  86     wxGridCellCoords coords;
  87     wxGridCellAttr  *attr;
  88
  89 // Cannot do this:
  90 //  DECLARE_NO_COPY_CLASS(wxGridCellWithAttr)
  91 // without rewriting the macros, which require a public copy constructor.
  92 };
  93
  94 WX_DECLARE_EXPORTED_OBJARRAY(wxGridCellWithAttr, wxGridCellWithAttrArray);
  95
  96 #include "wx/arrimpl.cpp"
  97
  98 WX_DEFINE_OBJARRAY(wxGridCellCoordsArray)
  99 WX_DEFINE_OBJARRAY(wxGridCellWithAttrArray)
 100
 101 // ----------------------------------------------------------------------------
 102 // events
 103 // ----------------------------------------------------------------------------
 104
 105 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_LEFT_CLICK)
 106 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_RIGHT_CLICK)
 107 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_LEFT_DCLICK)
 108 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_RIGHT_DCLICK)
 109 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_LEFT_CLICK)
 110 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_RIGHT_CLICK)
 111 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_LEFT_DCLICK)
 112 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_RIGHT_DCLICK)
 113 DEFINE_EVENT_TYPE(wxEVT_GRID_ROW_SIZE)
 114 DEFINE_EVENT_TYPE(wxEVT_GRID_COL_SIZE)
 115 DEFINE_EVENT_TYPE(wxEVT_GRID_RANGE_SELECT)
 116 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_CHANGE)
 117 DEFINE_EVENT_TYPE(wxEVT_GRID_SELECT_CELL)
 118 DEFINE_EVENT_TYPE(wxEVT_GRID_EDITOR_SHOWN)
 119 DEFINE_EVENT_TYPE(wxEVT_GRID_EDITOR_HIDDEN)
 120 DEFINE_EVENT_TYPE(wxEVT_GRID_EDITOR_CREATED)
 121
 122 // ----------------------------------------------------------------------------
 123 // private classes
 124 // ----------------------------------------------------------------------------
 125
 126 class WXDLLEXPORT wxGridRowLabelWindow : public wxWindow
 127 {
 128 public:
 129     wxGridRowLabelWindow() { m_owner = (wxGrid *)NULL; }
 130     wxGridRowLabelWindow( wxGrid *parent, wxWindowID id,
 131                           const wxPoint &pos, const wxSize &size );
 132
 133 private:
 134     wxGrid   *m_owner;
 135
 136     void OnPaint( wxPaintEvent& event );
 137     void OnMouseEvent( wxMouseEvent& event );
 138     void OnMouseWheel( wxMouseEvent& event );
 139     void OnKeyDown( wxKeyEvent& event );
 140     void OnKeyUp( wxKeyEvent& );
 141
 142     DECLARE_DYNAMIC_CLASS(wxGridRowLabelWindow)
 143     DECLARE_EVENT_TABLE()
 144     DECLARE_NO_COPY_CLASS(wxGridRowLabelWindow)
 145 };
 146
 147
 148 class WXDLLEXPORT wxGridColLabelWindow : public wxWindow
 149 {
 150 public:
 151     wxGridColLabelWindow() { m_owner = (wxGrid *)NULL; }
 152     wxGridColLabelWindow( wxGrid *parent, wxWindowID id,
 153                           const wxPoint &pos, const wxSize &size );
 154
 155 private:
 156     wxGrid   *m_owner;
 157
 158     void OnPaint( wxPaintEvent &event );
 159     void OnMouseEvent( wxMouseEvent& event );
 160     void OnMouseWheel( wxMouseEvent& event );
 161     void OnKeyDown( wxKeyEvent& event );
 162     void OnKeyUp( wxKeyEvent& );
 163
 164     DECLARE_DYNAMIC_CLASS(wxGridColLabelWindow)
 165     DECLARE_EVENT_TABLE()
 166     DECLARE_NO_COPY_CLASS(wxGridColLabelWindow)
 167 };
 168
 169
 170 class WXDLLEXPORT wxGridCornerLabelWindow : public wxWindow
 171 {
 172 public:
 173     wxGridCornerLabelWindow() { m_owner = (wxGrid *)NULL; }
 174     wxGridCornerLabelWindow( wxGrid *parent, wxWindowID id,
 175                              const wxPoint &pos, const wxSize &size );
 176
 177 private:
 178     wxGrid *m_owner;
 179
 180     void OnMouseEvent( wxMouseEvent& event );
 181     void OnMouseWheel( wxMouseEvent& event );
 182     void OnKeyDown( wxKeyEvent& event );
 183     void OnKeyUp( wxKeyEvent& );
 184     void OnPaint( wxPaintEvent& event );
 185
 186     DECLARE_DYNAMIC_CLASS(wxGridCornerLabelWindow)
 187     DECLARE_EVENT_TABLE()
 188     DECLARE_NO_COPY_CLASS(wxGridCornerLabelWindow)
 189 };
 190
 191 class WXDLLEXPORT wxGridWindow : public wxWindow
 192 {
 193 public:
 194     wxGridWindow()
 195     {
 196         m_owner = (wxGrid *)NULL;
 197         m_rowLabelWin = (wxGridRowLabelWindow *)NULL;
 198         m_colLabelWin = (wxGridColLabelWindow *)NULL;
 199     }
 200
 201     wxGridWindow( wxGrid *parent,
 202                   wxGridRowLabelWindow *rowLblWin,
 203                   wxGridColLabelWindow *colLblWin,
 204                   wxWindowID id, const wxPoint &pos, const wxSize &size );
 205     ~wxGridWindow();
 206
 207     void ScrollWindow( int dx, int dy, const wxRect *rect );
 208
 209     wxGrid* GetOwner() { return m_owner; }
 210
 211 private:
 212     wxGrid                   *m_owner;
 213     wxGridRowLabelWindow     *m_rowLabelWin;
 214     wxGridColLabelWindow     *m_colLabelWin;
 215
 216     void OnPaint( wxPaintEvent &event );
 217     void OnMouseWheel( wxMouseEvent& event );
 218     void OnMouseEvent( wxMouseEvent& event );
 219     void OnKeyDown( wxKeyEvent& );
 220     void OnKeyUp( wxKeyEvent& );
 221     void OnEraseBackground( wxEraseEvent& );
 222
 223
 224     DECLARE_DYNAMIC_CLASS(wxGridWindow)
 225     DECLARE_EVENT_TABLE()
 226     DECLARE_NO_COPY_CLASS(wxGridWindow)
 227 };
 228
 229
 230
 231 class wxGridCellEditorEvtHandler : public wxEvtHandler
 232 {
 233 public:
 234     wxGridCellEditorEvtHandler()
 235         : m_grid(0), m_editor(0)
 236         { }
 237     wxGridCellEditorEvtHandler(wxGrid* grid, wxGridCellEditor* editor)
 238         : m_grid(grid), m_editor(editor)
 239         { }
 240
 241     void OnKeyDown(wxKeyEvent& event);
 242     void OnChar(wxKeyEvent& event);
 243
 244 private:
 245     wxGrid*             m_grid;
 246     wxGridCellEditor*   m_editor;
 247     DECLARE_DYNAMIC_CLASS(wxGridCellEditorEvtHandler)
 248     DECLARE_EVENT_TABLE()
 249     DECLARE_NO_COPY_CLASS(wxGridCellEditorEvtHandler)
 250 };
 251
 252
 253 IMPLEMENT_DYNAMIC_CLASS( wxGridCellEditorEvtHandler, wxEvtHandler )
 254 BEGIN_EVENT_TABLE( wxGridCellEditorEvtHandler, wxEvtHandler )
 255     EVT_KEY_DOWN( wxGridCellEditorEvtHandler::OnKeyDown )
 256     EVT_CHAR( wxGridCellEditorEvtHandler::OnChar )
 257 END_EVENT_TABLE()
 258
 259
 260
 261 // ----------------------------------------------------------------------------
 262 // the internal data representation used by wxGridCellAttrProvider
 263 // ----------------------------------------------------------------------------
 264
 265 // this class stores attributes set for cells
 266 class WXDLLEXPORT wxGridCellAttrData
 267 {
 268 public:
 269     void SetAttr(wxGridCellAttr *attr, int row, int col);
 270     wxGridCellAttr *GetAttr(int row, int col) const;
 271     void UpdateAttrRows( size_t pos, int numRows );
 272     void UpdateAttrCols( size_t pos, int numCols );
 273
 274 private:
 275     // searches for the attr for given cell, returns wxNOT_FOUND if not found
 276     int FindIndex(int row, int col) const;
 277
 278     wxGridCellWithAttrArray m_attrs;
 279 };
 280
 281 // this class stores attributes set for rows or columns
 282 class WXDLLEXPORT wxGridRowOrColAttrData
 283 {
 284 public:
 285     // empty ctor to suppress warnings
 286     wxGridRowOrColAttrData() { }
 287     ~wxGridRowOrColAttrData();
 288
 289     void SetAttr(wxGridCellAttr *attr, int rowOrCol);
 290     wxGridCellAttr *GetAttr(int rowOrCol) const;
 291     void UpdateAttrRowsOrCols( size_t pos, int numRowsOrCols );
 292
 293 private:
 294     wxArrayInt m_rowsOrCols;
 295     wxArrayAttrs m_attrs;
 296 };
 297
 298 // NB: this is just a wrapper around 3 objects: one which stores cell
 299 //     attributes, and 2 others for row/col ones
 300 class WXDLLEXPORT wxGridCellAttrProviderData
 301 {
 302 public:
 303     wxGridCellAttrData m_cellAttrs;
 304     wxGridRowOrColAttrData m_rowAttrs,
 305                            m_colAttrs;
 306 };
 307
 308
 309 // ----------------------------------------------------------------------------
 310 // data structures used for the data type registry
 311 // ----------------------------------------------------------------------------
 312
 313 struct wxGridDataTypeInfo
 314 {
 315     wxGridDataTypeInfo(const wxString& typeName,
 316                        wxGridCellRenderer* renderer,
 317                        wxGridCellEditor* editor)
 318         : m_typeName(typeName), m_renderer(renderer), m_editor(editor)
 319         { }
 320
 321     ~wxGridDataTypeInfo()
 322     {
 323         wxSafeDecRef(m_renderer);
 324         wxSafeDecRef(m_editor);
 325     }
 326
 327     wxString            m_typeName;
 328     wxGridCellRenderer* m_renderer;
 329     wxGridCellEditor*   m_editor;
 330
 331     DECLARE_NO_COPY_CLASS(wxGridDataTypeInfo)
 332 };
 333
 334
 335 WX_DEFINE_EXPORTED_ARRAY(wxGridDataTypeInfo*, wxGridDataTypeInfoArray);
 336
 337
 338 class WXDLLEXPORT wxGridTypeRegistry
 339 {
 340 public:
 341   wxGridTypeRegistry() {}
 342     ~wxGridTypeRegistry();
 343
 344     void RegisterDataType(const wxString& typeName,
 345                      wxGridCellRenderer* renderer,
 346                      wxGridCellEditor* editor);
 347
 348     // find one of already registered data types
 349     int FindRegisteredDataType(const wxString& typeName);
 350
 351     // try to FindRegisteredDataType(), if this fails and typeName is one of
 352     // standard typenames, register it and return its index
 353     int FindDataType(const wxString& typeName);
 354
 355     // try to FindDataType(), if it fails see if it is not one of already
 356     // registered data types with some params in which case clone the
 357     // registered data type and set params for it
 358     int FindOrCloneDataType(const wxString& typeName);
 359
 360     wxGridCellRenderer* GetRenderer(int index);
 361     wxGridCellEditor*   GetEditor(int index);
 362
 363 private:
 364     wxGridDataTypeInfoArray m_typeinfo;
 365 };
 366
 367 // ----------------------------------------------------------------------------
 368 // conditional compilation
 369 // ----------------------------------------------------------------------------
 370
 371 #ifndef WXGRID_DRAW_LINES
 372 #define WXGRID_DRAW_LINES 1
 373 #endif
 374
 375 // ----------------------------------------------------------------------------
 376 // globals
 377 // ----------------------------------------------------------------------------
 378
 379 //#define DEBUG_ATTR_CACHE
 380 #ifdef DEBUG_ATTR_CACHE
 381     static size_t gs_nAttrCacheHits = 0;
 382     static size_t gs_nAttrCacheMisses = 0;
 383 #endif // DEBUG_ATTR_CACHE
 384
 385 // ----------------------------------------------------------------------------
 386 // constants
 387 // ----------------------------------------------------------------------------
 388
 389 wxGridCellCoords wxGridNoCellCoords( -1, -1 );
 390 wxRect           wxGridNoCellRect( -1, -1, -1, -1 );
 391
 392 // scroll line size
 393 // TODO: this doesn't work at all, grid cells have different sizes and approx
 394 //       calculations don't work as because of the size mismatch scrollbars
 395 //       sometimes fail to be shown when they should be or vice versa
 396 //
 397 //       The scroll bars may be a little flakey once in a while, but that is
 398 //       surely much less horrible than having scroll lines of only 1!!!
 399 //       -- Robin
 400 //
 401 //       Well, it's still seriously broken so it might be better but needs
 402 //       fixing anyhow
 403 //       -- Vadim
 404 static const size_t GRID_SCROLL_LINE_X = 15;  // 1;
 405 static const size_t GRID_SCROLL_LINE_Y = GRID_SCROLL_LINE_X;
 406
 407 // the size of hash tables used a bit everywhere (the max number of elements
 408 // in these hash tables is the number of rows/columns)
 409 static const int GRID_HASH_SIZE = 100;
 410
 411 // ----------------------------------------------------------------------------
 412 // private functions
 413 // ----------------------------------------------------------------------------
 414
 415 static inline int GetScrollX(int x)
 416 {
 417     return (x + GRID_SCROLL_LINE_X - 1) / GRID_SCROLL_LINE_X;
 418 }
 419
 420 static inline int GetScrollY(int y)
 421 {
 422     return (y + GRID_SCROLL_LINE_Y - 1) / GRID_SCROLL_LINE_Y;
 423 }
 424
 425 // ============================================================================
 426 // implementation
 427 // ============================================================================
 428
 429 // ----------------------------------------------------------------------------
 430 // wxGridCellEditor
 431 // ----------------------------------------------------------------------------
 432
 433 wxGridCellEditor::wxGridCellEditor()
 434 {
 435     m_control = NULL;
 436     m_attr = NULL;
 437 }
 438
 439
 440 wxGridCellEditor::~wxGridCellEditor()
 441 {
 442     Destroy();
 443 }
 444
 445 void wxGridCellEditor::Create(wxWindow* WXUNUSED(parent),
 446                               wxWindowID WXUNUSED(id),
 447                               wxEvtHandler* evtHandler)
 448 {
 449     if ( evtHandler )
 450         m_control->PushEventHandler(evtHandler);
 451 }
 452
 453 void wxGridCellEditor::PaintBackground(const wxRect& rectCell,
 454                                        wxGridCellAttr *attr)
 455 {
 456     // erase the background because we might not fill the cell
 457     wxClientDC dc(m_control->GetParent());
 458     wxGridWindow* gridWindow = wxDynamicCast(m_control->GetParent(), wxGridWindow);
 459     if (gridWindow)
 460         gridWindow->GetOwner()->PrepareDC(dc);
 461
 462     dc.SetPen(*wxTRANSPARENT_PEN);
 463     dc.SetBrush(wxBrush(attr->GetBackgroundColour(), wxSOLID));
 464     dc.DrawRectangle(rectCell);
 465
 466     // redraw the control we just painted over
 467     m_control->Refresh();
 468 }
 469
 470 void wxGridCellEditor::Destroy()
 471 {
 472     if (m_control)
 473     {
 474         m_control->PopEventHandler(TRUE /* delete it*/);
 475
 476         m_control->Destroy();
 477         m_control = NULL;
 478     }
 479 }
 480
 481 void wxGridCellEditor::Show(bool show, wxGridCellAttr *attr)
 482 {
 483     wxASSERT_MSG(m_control,
 484                  wxT("The wxGridCellEditor must be Created first!"));
 485     m_control->Show(show);
 486
 487     if ( show )
 488     {
 489         // set the colours/fonts if we have any
 490         if ( attr )
 491         {
 492             m_colFgOld = m_control->GetForegroundColour();
 493             m_control->SetForegroundColour(attr->GetTextColour());
 494
 495             m_colBgOld = m_control->GetBackgroundColour();
 496             m_control->SetBackgroundColour(attr->GetBackgroundColour());
 497
 498             m_fontOld = m_control->GetFont();
 499             m_control->SetFont(attr->GetFont());
 500
 501             // can't do anything more in the base class version, the other
 502             // attributes may only be used by the derived classes
 503         }
 504     }
 505     else
 506     {
 507         // restore the standard colours fonts
 508         if ( m_colFgOld.Ok() )
 509         {
 510             m_control->SetForegroundColour(m_colFgOld);
 511             m_colFgOld = wxNullColour;
 512         }
 513
 514         if ( m_colBgOld.Ok() )
 515         {
 516             m_control->SetBackgroundColour(m_colBgOld);
 517             m_colBgOld = wxNullColour;
 518         }
 519
 520         if ( m_fontOld.Ok() )
 521         {
 522             m_control->SetFont(m_fontOld);
 523             m_fontOld = wxNullFont;
 524         }
 525     }
 526 }
 527
 528 void wxGridCellEditor::SetSize(const wxRect& rect)
 529 {
 530     wxASSERT_MSG(m_control,
 531                  wxT("The wxGridCellEditor must be Created first!"));
 532     m_control->SetSize(rect, wxSIZE_ALLOW_MINUS_ONE);
 533 }
 534
 535 void wxGridCellEditor::HandleReturn(wxKeyEvent& event)
 536 {
 537     event.Skip();
 538 }
 539
 540 bool wxGridCellEditor::IsAcceptedKey(wxKeyEvent& event)
 541 {
 542     // accept the simple key presses, not anything with Ctrl/Alt/Meta
 543     return !(event.ControlDown() || event.AltDown());
 544 }
 545
 546 void wxGridCellEditor::StartingKey(wxKeyEvent& event)
 547 {
 548     event.Skip();
 549 }
 550
 551 void wxGridCellEditor::StartingClick()
 552 {
 553 }
 554
 555 #if wxUSE_TEXTCTRL
 556
 557 // ----------------------------------------------------------------------------
 558 // wxGridCellTextEditor
 559 // ----------------------------------------------------------------------------
 560
 561 wxGridCellTextEditor::wxGridCellTextEditor()
 562 {
 563     m_maxChars = 0;
 564 }
 565
 566 void wxGridCellTextEditor::Create(wxWindow* parent,
 567                                   wxWindowID id,
 568                                   wxEvtHandler* evtHandler)
 569 {
 570     m_control = new wxTextCtrl(parent, id, wxEmptyString,
 571                                wxDefaultPosition, wxDefaultSize
 572 #if defined(__WXMSW__)
 573                                , wxTE_PROCESS_TAB | wxTE_MULTILINE |
 574                                  wxTE_NO_VSCROLL | wxTE_AUTO_SCROLL
 575 #endif
 576                               );
 577
 578     // TODO: use m_maxChars
 579
 580     wxGridCellEditor::Create(parent, id, evtHandler);
 581 }
 582
 583 void wxGridCellTextEditor::PaintBackground(const wxRect& WXUNUSED(rectCell),
 584                                            wxGridCellAttr * WXUNUSED(attr))
 585 {
 586     // as we fill the entire client area, don't do anything here to minimize
 587     // flicker
 588 }
 589
 590 void wxGridCellTextEditor::SetSize(const wxRect& rectOrig)
 591 {
 592     wxRect rect(rectOrig);
 593
 594     // Make the edit control large enough to allow for internal
 595     // margins
 596     //
 597     // TODO: remove this if the text ctrl sizing is improved esp. for
 598     // unix
 599     //
 600 #if defined(__WXGTK__)
 601     if (rect.x != 0)
 602     {
 603         rect.x += 1;
 604         rect.y += 1;
 605         rect.width -= 1;
 606         rect.height -= 1;
 607     }
 608 #else // !GTK
 609     int extra_x = ( rect.x > 2 )? 2 : 1;
 610
 611 // MB: treat MSW separately here otherwise the caret doesn't show
 612 // when the editor is in the first row.
 613 #if defined(__WXMSW__)
 614     int extra_y = 2;
 615 #else
 616     int extra_y = ( rect.y > 2 )? 2 : 1;
 617 #endif // MSW
 618
 619 #if defined(__WXMOTIF__)
 620     extra_x *= 2;
 621     extra_y *= 2;
 622 #endif
 623     rect.SetLeft( wxMax(0, rect.x - extra_x) );
 624     rect.SetTop( wxMax(0, rect.y - extra_y) );
 625     rect.SetRight( rect.GetRight() + 2*extra_x );
 626     rect.SetBottom( rect.GetBottom() + 2*extra_y );
 627 #endif // GTK/!GTK
 628
 629     wxGridCellEditor::SetSize(rect);
 630 }
 631
 632 void wxGridCellTextEditor::BeginEdit(int row, int col, wxGrid* grid)
 633 {
 634     wxASSERT_MSG(m_control,
 635                  wxT("The wxGridCellEditor must be Created first!"));
 636
 637     m_startValue = grid->GetTable()->GetValue(row, col);
 638
 639     DoBeginEdit(m_startValue);
 640 }
 641
 642 void wxGridCellTextEditor::DoBeginEdit(const wxString& startValue)
 643 {
 644     Text()->SetValue(startValue);
 645     Text()->SetInsertionPointEnd();
 646     Text()->SetSelection(-1,-1);
 647     Text()->SetFocus();
 648 }
 649
 650 bool wxGridCellTextEditor::EndEdit(int row, int col,
 651                                    wxGrid* grid)
 652 {
 653     wxASSERT_MSG(m_control,
 654                  wxT("The wxGridCellEditor must be Created first!"));
 655
 656     bool changed = FALSE;
 657     wxString value = Text()->GetValue();
 658     if (value != m_startValue)
 659         changed = TRUE;
 660
 661     if (changed)
 662         grid->GetTable()->SetValue(row, col, value);
 663
 664     m_startValue = wxEmptyString;
 665     Text()->SetValue(m_startValue);
 666
 667     return changed;
 668 }
 669
 670
 671 void wxGridCellTextEditor::Reset()
 672 {
 673     wxASSERT_MSG(m_control,
 674                  wxT("The wxGridCellEditor must be Created first!"));
 675
 676     DoReset(m_startValue);
 677 }
 678
 679 void wxGridCellTextEditor::DoReset(const wxString& startValue)
 680 {
 681     Text()->SetValue(startValue);
 682     Text()->SetInsertionPointEnd();
 683 }
 684
 685 bool wxGridCellTextEditor::IsAcceptedKey(wxKeyEvent& event)
 686 {
 687     if ( wxGridCellEditor::IsAcceptedKey(event) )
 688     {
 689         int keycode = event.GetKeyCode();
 690         switch ( keycode )
 691         {
 692             case WXK_NUMPAD0:
 693             case WXK_NUMPAD1:
 694             case WXK_NUMPAD2:
 695             case WXK_NUMPAD3:
 696             case WXK_NUMPAD4:
 697             case WXK_NUMPAD5:
 698             case WXK_NUMPAD6:
 699             case WXK_NUMPAD7:
 700             case WXK_NUMPAD8:
 701             case WXK_NUMPAD9:
 702             case WXK_MULTIPLY:
 703             case WXK_NUMPAD_MULTIPLY:
 704             case WXK_ADD:
 705             case WXK_NUMPAD_ADD:
 706             case WXK_SUBTRACT:
 707             case WXK_NUMPAD_SUBTRACT:
 708             case WXK_DECIMAL:
 709             case WXK_NUMPAD_DECIMAL:
 710             case WXK_DIVIDE:
 711             case WXK_NUMPAD_DIVIDE:
 712                 return TRUE;
 713
 714             default:
 715                 // accept 8 bit chars too if isprint() agrees
 716                 if ( (keycode < 255) && (isprint(keycode)) )
 717                     return TRUE;
 718         }
 719     }
 720
 721     return FALSE;
 722 }
 723
 724 void wxGridCellTextEditor::StartingKey(wxKeyEvent& event)
 725 {
 726     if ( !Text()->EmulateKeyPress(event) )
 727     {
 728         event.Skip();
 729     }
 730 }
 731
 732 void wxGridCellTextEditor::HandleReturn( wxKeyEvent&
 733                                          WXUNUSED_GTK(WXUNUSED_MOTIF(event)) )
 734 {
 735 #if defined(__WXMOTIF__) || defined(__WXGTK__)
 736     // wxMotif needs a little extra help...
 737     size_t pos = (size_t)( Text()->GetInsertionPoint() );
 738     wxString s( Text()->GetValue() );
 739     s = s.Left(pos) + wxT("\n") + s.Mid(pos);
 740     Text()->SetValue(s);
 741     Text()->SetInsertionPoint( pos );
 742 #else
 743     // the other ports can handle a Return key press
 744     //
 745     event.Skip();
 746 #endif
 747 }
 748
 749 void wxGridCellTextEditor::SetParameters(const wxString& params)
 750 {
 751     if ( !params )
 752     {
 753         // reset to default
 754         m_maxChars = 0;
 755     }
 756     else
 757     {
 758         long tmp;
 759         if ( !params.ToLong(&tmp) )
 760         {
 761             wxLogDebug(_T("Invalid wxGridCellTextEditor parameter string '%s' ignored"), params.c_str());
 762         }
 763         else
 764         {
 765             m_maxChars = (size_t)tmp;
 766         }
 767     }
 768 }
 769
 770 // return the value in the text control
 771 wxString wxGridCellTextEditor::GetValue() const
 772 {
 773   return Text()->GetValue();
 774 }
 775
 776 // ----------------------------------------------------------------------------
 777 // wxGridCellNumberEditor
 778 // ----------------------------------------------------------------------------
 779
 780 wxGridCellNumberEditor::wxGridCellNumberEditor(int min, int max)
 781 {
 782     m_min = min;
 783     m_max = max;
 784 }
 785
 786 void wxGridCellNumberEditor::Create(wxWindow* parent,
 787                                     wxWindowID id,
 788                                     wxEvtHandler* evtHandler)
 789 {
 790     if ( HasRange() )
 791     {
 792         // create a spin ctrl
 793         m_control = new wxSpinCtrl(parent, -1, wxEmptyString,
 794                                    wxDefaultPosition, wxDefaultSize,
 795                                    wxSP_ARROW_KEYS,
 796                                    m_min, m_max);
 797
 798         wxGridCellEditor::Create(parent, id, evtHandler);
 799     }
 800     else
 801     {
 802         // just a text control
 803         wxGridCellTextEditor::Create(parent, id, evtHandler);
 804
 805 #if wxUSE_VALIDATORS
 806         Text()->SetValidator(wxTextValidator(wxFILTER_NUMERIC));
 807 #endif // wxUSE_VALIDATORS
 808     }
 809 }
 810
 811 void wxGridCellNumberEditor::BeginEdit(int row, int col, wxGrid* grid)
 812 {
 813     // first get the value
 814     wxGridTableBase *table = grid->GetTable();
 815     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_NUMBER) )
 816     {
 817         m_valueOld = table->GetValueAsLong(row, col);
 818     }
 819     else
 820     {
 821         m_valueOld = 0;
 822         wxString sValue = table->GetValue(row, col);
 823         if (! sValue.ToLong(&m_valueOld) && ! sValue.IsEmpty())
 824         {
 825             wxFAIL_MSG( _T("this cell doesn't have numeric value") );
 826             return;
 827         }
 828     }
 829
 830     if ( HasRange() )
 831     {
 832         Spin()->SetValue((int)m_valueOld);
 833         Spin()->SetFocus();
 834     }
 835     else
 836     {
 837         DoBeginEdit(GetString());
 838     }
 839 }
 840
 841 bool wxGridCellNumberEditor::EndEdit(int row, int col,
 842                                      wxGrid* grid)
 843 {
 844     bool changed;
 845     long value = 0;
 846     wxString text;
 847
 848     if ( HasRange() )
 849     {
 850         value = Spin()->GetValue();
 851         changed = value != m_valueOld;
 852         if (changed)
 853             text = wxString::Format(wxT("%ld"), value);
 854     }
 855     else
 856     {
 857         text = Text()->GetValue();
 858         changed = (text.IsEmpty() || text.ToLong(&value)) && (value != m_valueOld);
 859     }
 860
 861     if ( changed )
 862     {
 863         if (grid->GetTable()->CanSetValueAs(row, col, wxGRID_VALUE_NUMBER))
 864             grid->GetTable()->SetValueAsLong(row, col, value);
 865         else
 866             grid->GetTable()->SetValue(row, col, text);
 867     }
 868
 869     return changed;
 870 }
 871
 872 void wxGridCellNumberEditor::Reset()
 873 {
 874     if ( HasRange() )
 875     {
 876         Spin()->SetValue((int)m_valueOld);
 877     }
 878     else
 879     {
 880         DoReset(GetString());
 881     }
 882 }
 883
 884 bool wxGridCellNumberEditor::IsAcceptedKey(wxKeyEvent& event)
 885 {
 886     if ( wxGridCellEditor::IsAcceptedKey(event) )
 887     {
 888         int keycode = event.GetKeyCode();
 889         switch ( keycode )
 890         {
 891             case WXK_NUMPAD0:
 892             case WXK_NUMPAD1:
 893             case WXK_NUMPAD2:
 894             case WXK_NUMPAD3:
 895             case WXK_NUMPAD4:
 896             case WXK_NUMPAD5:
 897             case WXK_NUMPAD6:
 898             case WXK_NUMPAD7:
 899             case WXK_NUMPAD8:
 900             case WXK_NUMPAD9:
 901             case WXK_ADD:
 902             case WXK_NUMPAD_ADD:
 903             case WXK_SUBTRACT:
 904             case WXK_NUMPAD_SUBTRACT:
 905             case WXK_UP:
 906             case WXK_DOWN:
 907                 return TRUE;
 908
 909             default:
 910                 if ( (keycode < 128) && isdigit(keycode) )
 911                     return TRUE;
 912         }
 913     }
 914
 915     return FALSE;
 916 }
 917
 918 void wxGridCellNumberEditor::StartingKey(wxKeyEvent& event)
 919 {
 920     if ( !HasRange() )
 921     {
 922         int keycode = event.GetKeyCode();
 923         if ( isdigit(keycode) || keycode == '+' || keycode == '-'
 924             || keycode ==  WXK_NUMPAD0
 925             || keycode ==  WXK_NUMPAD1
 926             || keycode ==  WXK_NUMPAD2
 927             || keycode ==  WXK_NUMPAD3
 928             || keycode ==  WXK_NUMPAD4
 929             || keycode ==  WXK_NUMPAD5
 930             || keycode ==  WXK_NUMPAD6
 931             || keycode ==  WXK_NUMPAD7
 932             || keycode ==  WXK_NUMPAD8
 933             || keycode ==  WXK_NUMPAD9
 934             || keycode ==  WXK_ADD
 935             || keycode ==  WXK_NUMPAD_ADD
 936             || keycode ==  WXK_SUBTRACT
 937             || keycode ==  WXK_NUMPAD_SUBTRACT)
 938         {
 939             wxGridCellTextEditor::StartingKey(event);
 940
 941             // skip Skip() below
 942             return;
 943         }
 944     }
 945
 946     event.Skip();
 947 }
 948
 949 void wxGridCellNumberEditor::SetParameters(const wxString& params)
 950 {
 951     if ( !params )
 952     {
 953         // reset to default
 954         m_min =
 955         m_max = -1;
 956     }
 957     else
 958     {
 959         long tmp;
 960         if ( params.BeforeFirst(_T(',')).ToLong(&tmp) )
 961         {
 962             m_min = (int)tmp;
 963
 964             if ( params.AfterFirst(_T(',')).ToLong(&tmp) )
 965             {
 966                 m_max = (int)tmp;
 967
 968                 // skip the error message below
 969                 return;
 970             }
 971         }
 972
 973         wxLogDebug(_T("Invalid wxGridCellNumberEditor parameter string '%s' ignored"), params.c_str());
 974     }
 975 }
 976
 977 // return the value in the spin control if it is there (the text control otherwise)
 978 wxString wxGridCellNumberEditor::GetValue() const
 979 {
 980   wxString s;
 981
 982   if( HasRange() )
 983   {
 984     long value = Spin()->GetValue();
 985     s.Printf(wxT("%ld"), value);
 986   }
 987   else
 988   {
 989     s = Text()->GetValue();
 990   }
 991   return s;
 992 }
 993
 994 // ----------------------------------------------------------------------------
 995 // wxGridCellFloatEditor
 996 // ----------------------------------------------------------------------------
 997
 998 wxGridCellFloatEditor::wxGridCellFloatEditor(int width, int precision)
 999 {
1000     m_width = width;
1001     m_precision = precision;
1002 }
1003
1004 void wxGridCellFloatEditor::Create(wxWindow* parent,
1005                                    wxWindowID id,
1006                                    wxEvtHandler* evtHandler)
1007 {
1008     wxGridCellTextEditor::Create(parent, id, evtHandler);
1009
1010 #if wxUSE_VALIDATORS
1011     Text()->SetValidator(wxTextValidator(wxFILTER_NUMERIC));
1012 #endif // wxUSE_VALIDATORS
1013 }
1014
1015 void wxGridCellFloatEditor::BeginEdit(int row, int col, wxGrid* grid)
1016 {
1017     // first get the value
1018     wxGridTableBase *table = grid->GetTable();
1019     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_FLOAT) )
1020     {
1021         m_valueOld = table->GetValueAsDouble(row, col);
1022     }
1023     else
1024     {
1025         m_valueOld = 0.0;
1026         wxString sValue = table->GetValue(row, col);
1027         if (! sValue.ToDouble(&m_valueOld) && ! sValue.IsEmpty())
1028         {
1029             wxFAIL_MSG( _T("this cell doesn't have float value") );
1030             return;
1031         }
1032     }
1033
1034     DoBeginEdit(GetString());
1035 }
1036
1037 bool wxGridCellFloatEditor::EndEdit(int row, int col,
1038                                      wxGrid* grid)
1039 {
1040     double value = 0.0;
1041     wxString text(Text()->GetValue());
1042
1043     if ( (text.IsEmpty() || text.ToDouble(&value)) && (value != m_valueOld) )
1044     {
1045         if (grid->GetTable()->CanSetValueAs(row, col, wxGRID_VALUE_FLOAT))
1046             grid->GetTable()->SetValueAsDouble(row, col, value);
1047         else
1048             grid->GetTable()->SetValue(row, col, text);
1049
1050         return TRUE;
1051     }
1052     return FALSE;
1053 }
1054
1055 void wxGridCellFloatEditor::Reset()
1056 {
1057     DoReset(GetString());
1058 }
1059
1060 void wxGridCellFloatEditor::StartingKey(wxKeyEvent& event)
1061 {
1062     int keycode = event.GetKeyCode();
1063         if ( isdigit(keycode) || keycode == '+' || keycode == '-' || keycode == '.'
1064             || keycode ==  WXK_NUMPAD0
1065             || keycode ==  WXK_NUMPAD1
1066             || keycode ==  WXK_NUMPAD2
1067             || keycode ==  WXK_NUMPAD3
1068             || keycode ==  WXK_NUMPAD4
1069             || keycode ==  WXK_NUMPAD5
1070             || keycode ==  WXK_NUMPAD6
1071             || keycode ==  WXK_NUMPAD7
1072             || keycode ==  WXK_NUMPAD8
1073             || keycode ==  WXK_NUMPAD9
1074             || keycode ==  WXK_ADD
1075             || keycode ==  WXK_NUMPAD_ADD
1076             || keycode ==  WXK_SUBTRACT
1077             || keycode ==  WXK_NUMPAD_SUBTRACT)
1078     {
1079         wxGridCellTextEditor::StartingKey(event);
1080
1081         // skip Skip() below
1082         return;
1083     }
1084
1085     event.Skip();
1086 }
1087
1088 void wxGridCellFloatEditor::SetParameters(const wxString& params)
1089 {
1090     if ( !params )
1091     {
1092         // reset to default
1093         m_width =
1094         m_precision = -1;
1095     }
1096     else
1097     {
1098         long tmp;
1099         if ( params.BeforeFirst(_T(',')).ToLong(&tmp) )
1100         {
1101             m_width = (int)tmp;
1102
1103             if ( params.AfterFirst(_T(',')).ToLong(&tmp) )
1104             {
1105                 m_precision = (int)tmp;
1106
1107                 // skip the error message below
1108                 return;
1109             }
1110         }
1111
1112         wxLogDebug(_T("Invalid wxGridCellFloatEditor parameter string '%s' ignored"), params.c_str());
1113     }
1114 }
1115
1116 wxString wxGridCellFloatEditor::GetString() const
1117 {
1118     wxString fmt;
1119     if ( m_width == -1 )
1120     {
1121         // default width/precision
1122         fmt = _T("%f");
1123     }
1124     else if ( m_precision == -1 )
1125     {
1126         // default precision
1127         fmt.Printf(_T("%%%d.f"), m_width);
1128     }
1129     else
1130     {
1131         fmt.Printf(_T("%%%d.%df"), m_width, m_precision);
1132     }
1133
1134     return wxString::Format(fmt, m_valueOld);
1135 }
1136
1137 bool wxGridCellFloatEditor::IsAcceptedKey(wxKeyEvent& event)
1138 {
1139     if ( wxGridCellEditor::IsAcceptedKey(event) )
1140     {
1141         int keycode = event.GetKeyCode();
1142         switch ( keycode )
1143         {
1144             case WXK_NUMPAD0:
1145             case WXK_NUMPAD1:
1146             case WXK_NUMPAD2:
1147             case WXK_NUMPAD3:
1148             case WXK_NUMPAD4:
1149             case WXK_NUMPAD5:
1150             case WXK_NUMPAD6:
1151             case WXK_NUMPAD7:
1152             case WXK_NUMPAD8:
1153             case WXK_NUMPAD9:
1154             case WXK_ADD:
1155             case WXK_NUMPAD_ADD:
1156             case WXK_SUBTRACT:
1157             case WXK_NUMPAD_SUBTRACT:
1158             case WXK_DECIMAL:
1159             case WXK_NUMPAD_DECIMAL:
1160                 return TRUE;
1161
1162             default:
1163                 // additionally accept 'e' as in '1e+6'
1164                 if ( (keycode < 128) &&
1165                      (isdigit(keycode) || tolower(keycode) == 'e') )
1166                     return TRUE;
1167         }
1168     }
1169
1170     return FALSE;
1171 }
1172
1173 #endif // wxUSE_TEXTCTRL
1174
1175 #if wxUSE_CHECKBOX
1176
1177 // ----------------------------------------------------------------------------
1178 // wxGridCellBoolEditor
1179 // ----------------------------------------------------------------------------
1180
1181 void wxGridCellBoolEditor::Create(wxWindow* parent,
1182                                   wxWindowID id,
1183                                   wxEvtHandler* evtHandler)
1184 {
1185     m_control = new wxCheckBox(parent, id, wxEmptyString,
1186                                wxDefaultPosition, wxDefaultSize,
1187                                wxNO_BORDER);
1188
1189     wxGridCellEditor::Create(parent, id, evtHandler);
1190 }
1191
1192 void wxGridCellBoolEditor::SetSize(const wxRect& r)
1193 {
1194     bool resize = FALSE;
1195     wxSize size = m_control->GetSize();
1196     wxCoord minSize = wxMin(r.width, r.height);
1197
1198     // check if the checkbox is not too big/small for this cell
1199     wxSize sizeBest = m_control->GetBestSize();
1200     if ( !(size == sizeBest) )
1201     {
1202         // reset to default size if it had been made smaller
1203         size = sizeBest;
1204
1205         resize = TRUE;
1206     }
1207
1208     if ( size.x >= minSize || size.y >= minSize )
1209     {
1210         // leave 1 pixel margin
1211         size.x = size.y = minSize - 2;
1212
1213         resize = TRUE;
1214     }
1215
1216     if ( resize )
1217     {
1218         m_control->SetSize(size);
1219     }
1220
1221     // position it in the centre of the rectangle (TODO: support alignment?)
1222
1223 #if defined(__WXGTK__) || defined (__WXMOTIF__)
1224     // the checkbox without label still has some space to the right in wxGTK,
1225     // so shift it to the right
1226     size.x -= 8;
1227 #elif defined(__WXMSW__)
1228     // here too, but in other way
1229     size.x += 1;
1230     size.y -= 2;
1231 #endif
1232
1233     int hAlign = wxALIGN_CENTRE;
1234     int vAlign = wxALIGN_CENTRE;
1235     if (GetCellAttr())
1236         GetCellAttr()->GetAlignment(& hAlign, & vAlign);
1237
1238     int x = 0, y = 0;
1239     if (hAlign == wxALIGN_LEFT)
1240     {
1241         x = r.x + 2;
1242 #ifdef __WXMSW__
1243         x += 2;
1244 #endif
1245         y = r.y + r.height/2 - size.y/2;
1246     }
1247     else if (hAlign == wxALIGN_RIGHT)
1248     {
1249         x = r.x + r.width - size.x - 2;
1250         y = r.y + r.height/2 - size.y/2;
1251     }
1252     else if (hAlign == wxALIGN_CENTRE)
1253     {
1254         x = r.x + r.width/2 - size.x/2;
1255         y = r.y + r.height/2 - size.y/2;
1256     }
1257
1258     m_control->Move(x, y);
1259 }
1260
1261 void wxGridCellBoolEditor::Show(bool show, wxGridCellAttr *attr)
1262 {
1263     m_control->Show(show);
1264
1265     if ( show )
1266     {
1267         wxColour colBg = attr ? attr->GetBackgroundColour() : *wxLIGHT_GREY;
1268         CBox()->SetBackgroundColour(colBg);
1269     }
1270 }
1271
1272 void wxGridCellBoolEditor::BeginEdit(int row, int col, wxGrid* grid)
1273 {
1274     wxASSERT_MSG(m_control,
1275                  wxT("The wxGridCellEditor must be Created first!"));
1276
1277     if (grid->GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL))
1278         m_startValue = grid->GetTable()->GetValueAsBool(row, col);
1279     else
1280     {
1281         wxString cellval( grid->GetTable()->GetValue(row, col) );
1282         m_startValue = !( !cellval || (cellval == wxT("0")) );
1283     }
1284     CBox()->SetValue(m_startValue);
1285     CBox()->SetFocus();
1286 }
1287
1288 bool wxGridCellBoolEditor::EndEdit(int row, int col,
1289                                    wxGrid* grid)
1290 {
1291     wxASSERT_MSG(m_control,
1292                  wxT("The wxGridCellEditor must be Created first!"));
1293
1294     bool changed = FALSE;
1295     bool value = CBox()->GetValue();
1296     if ( value != m_startValue )
1297         changed = TRUE;
1298
1299     if ( changed )
1300     {
1301         if (grid->GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL))
1302             grid->GetTable()->SetValueAsBool(row, col, value);
1303         else
1304             grid->GetTable()->SetValue(row, col, value ? _T("1") : wxEmptyString);
1305     }
1306
1307     return changed;
1308 }
1309
1310 void wxGridCellBoolEditor::Reset()
1311 {
1312     wxASSERT_MSG(m_control,
1313                  wxT("The wxGridCellEditor must be Created first!"));
1314
1315     CBox()->SetValue(m_startValue);
1316 }
1317
1318 void wxGridCellBoolEditor::StartingClick()
1319 {
1320     CBox()->SetValue(!CBox()->GetValue());
1321 }
1322
1323 bool wxGridCellBoolEditor::IsAcceptedKey(wxKeyEvent& event)
1324 {
1325     if ( wxGridCellEditor::IsAcceptedKey(event) )
1326     {
1327         int keycode = event.GetKeyCode();
1328         switch ( keycode )
1329         {
1330             case WXK_MULTIPLY:
1331             case WXK_NUMPAD_MULTIPLY:
1332             case WXK_ADD:
1333             case WXK_NUMPAD_ADD:
1334             case WXK_SUBTRACT:
1335             case WXK_NUMPAD_SUBTRACT:
1336             case WXK_SPACE:
1337             case '+':
1338             case '-':
1339                 return TRUE;
1340         }
1341     }
1342
1343     return FALSE;
1344 }
1345
1346 // return the value as "1" for true and the empty string for false
1347 wxString wxGridCellBoolEditor::GetValue() const
1348 {
1349   bool bSet = CBox()->GetValue();
1350   return bSet ? _T("1") : wxEmptyString;
1351 }
1352
1353 #endif // wxUSE_CHECKBOX
1354
1355 #if wxUSE_COMBOBOX
1356
1357 // ----------------------------------------------------------------------------
1358 // wxGridCellChoiceEditor
1359 // ----------------------------------------------------------------------------
1360
1361 wxGridCellChoiceEditor::wxGridCellChoiceEditor(size_t count,
1362                                                const wxString choices[],
1363                                                bool allowOthers)
1364                       : m_allowOthers(allowOthers)
1365 {
1366     if ( count )
1367     {
1368         m_choices.Alloc(count);
1369         for ( size_t n = 0; n < count; n++ )
1370         {
1371             m_choices.Add(choices[n]);
1372         }
1373     }
1374 }
1375
1376 wxGridCellEditor *wxGridCellChoiceEditor::Clone() const
1377 {
1378     wxGridCellChoiceEditor *editor = new wxGridCellChoiceEditor;
1379     editor->m_allowOthers = m_allowOthers;
1380     editor->m_choices = m_choices;
1381
1382     return editor;
1383 }
1384
1385 void wxGridCellChoiceEditor::Create(wxWindow* parent,
1386                                     wxWindowID id,
1387                                     wxEvtHandler* evtHandler)
1388 {
1389     size_t count = m_choices.GetCount();
1390     wxString *choices = new wxString[count];
1391     for ( size_t n = 0; n < count; n++ )
1392     {
1393         choices[n] = m_choices[n];
1394     }
1395
1396     m_control = new wxComboBox(parent, id, wxEmptyString,
1397                                wxDefaultPosition, wxDefaultSize,
1398                                count, choices,
1399                                m_allowOthers ? 0 : wxCB_READONLY);
1400
1401     delete [] choices;
1402
1403     wxGridCellEditor::Create(parent, id, evtHandler);
1404 }
1405
1406 void wxGridCellChoiceEditor::PaintBackground(const wxRect& rectCell,
1407                                              wxGridCellAttr * attr)
1408 {
1409     // as we fill the entire client area, don't do anything here to minimize
1410     // flicker
1411
1412     // TODO: It doesn't actually fill the client area since the height of a
1413     // combo always defaults to the standard...  Until someone has time to
1414     // figure out the right rectangle to paint, just do it the normal way...
1415     wxGridCellEditor::PaintBackground(rectCell, attr);
1416 }
1417
1418 void wxGridCellChoiceEditor::BeginEdit(int row, int col, wxGrid* grid)
1419 {
1420     wxASSERT_MSG(m_control,
1421                  wxT("The wxGridCellEditor must be Created first!"));
1422
1423     m_startValue = grid->GetTable()->GetValue(row, col);
1424
1425     if (m_allowOthers)
1426         Combo()->SetValue(m_startValue);
1427     else
1428     {
1429         // find the right position, or default to the first if not found
1430         int pos = Combo()->FindString(m_startValue);
1431         if (pos == -1)
1432             pos = 0;
1433         Combo()->SetSelection(pos);
1434     }
1435     Combo()->SetInsertionPointEnd();
1436     Combo()->SetFocus();
1437 }
1438
1439 bool wxGridCellChoiceEditor::EndEdit(int row, int col,
1440                                      wxGrid* grid)
1441 {
1442     wxString value = Combo()->GetValue();
1443     bool changed = value != m_startValue;
1444
1445     if ( changed )
1446         grid->GetTable()->SetValue(row, col, value);
1447
1448     m_startValue = wxEmptyString;
1449     if (m_allowOthers)
1450         Combo()->SetValue(m_startValue);
1451     else
1452         Combo()->SetSelection(0);
1453
1454     return changed;
1455 }
1456
1457 void wxGridCellChoiceEditor::Reset()
1458 {
1459     Combo()->SetValue(m_startValue);
1460     Combo()->SetInsertionPointEnd();
1461 }
1462
1463 void wxGridCellChoiceEditor::SetParameters(const wxString& params)
1464 {
1465     if ( !params )
1466     {
1467         // what can we do?
1468         return;
1469     }
1470
1471     m_choices.Empty();
1472
1473     wxStringTokenizer tk(params, _T(','));
1474     while ( tk.HasMoreTokens() )
1475     {
1476         m_choices.Add(tk.GetNextToken());
1477     }
1478 }
1479
1480 // return the value in the text control
1481 wxString wxGridCellChoiceEditor::GetValue() const
1482 {
1483   return Combo()->GetValue();
1484 }
1485
1486 #endif // wxUSE_COMBOBOX
1487
1488 // ----------------------------------------------------------------------------
1489 // wxGridCellEditorEvtHandler
1490 // ----------------------------------------------------------------------------
1491
1492 void wxGridCellEditorEvtHandler::OnKeyDown(wxKeyEvent& event)
1493 {
1494     switch ( event.GetKeyCode() )
1495     {
1496         case WXK_ESCAPE:
1497             m_editor->Reset();
1498             m_grid->DisableCellEditControl();
1499             break;
1500
1501         case WXK_TAB:
1502             m_grid->GetEventHandler()->ProcessEvent( event );
1503             break;
1504
1505         case WXK_RETURN:
1506         case WXK_NUMPAD_ENTER:
1507             if (!m_grid->GetEventHandler()->ProcessEvent(event))
1508                 m_editor->HandleReturn(event);
1509             break;
1510
1511
1512         default:
1513             event.Skip();
1514     }
1515 }
1516
1517 void wxGridCellEditorEvtHandler::OnChar(wxKeyEvent& event)
1518 {
1519     switch ( event.GetKeyCode() )
1520     {
1521         case WXK_ESCAPE:
1522         case WXK_TAB:
1523         case WXK_RETURN:
1524         case WXK_NUMPAD_ENTER:
1525             break;
1526
1527         default:
1528             event.Skip();
1529     }
1530 }
1531
1532 // ----------------------------------------------------------------------------
1533 // wxGridCellWorker is an (almost) empty common base class for
1534 // wxGridCellRenderer and wxGridCellEditor managing ref counting
1535 // ----------------------------------------------------------------------------
1536
1537 void wxGridCellWorker::SetParameters(const wxString& WXUNUSED(params))
1538 {
1539     // nothing to do
1540 }
1541
1542 wxGridCellWorker::~wxGridCellWorker()
1543 {
1544 }
1545
1546 // ============================================================================
1547 // renderer classes
1548 // ============================================================================
1549
1550 // ----------------------------------------------------------------------------
1551 // wxGridCellRenderer
1552 // ----------------------------------------------------------------------------
1553
1554 void wxGridCellRenderer::Draw(wxGrid& grid,
1555                               wxGridCellAttr& attr,
1556                               wxDC& dc,
1557                               const wxRect& rect,
1558                               int WXUNUSED(row), int WXUNUSED(col),
1559                               bool isSelected)
1560 {
1561     dc.SetBackgroundMode( wxSOLID );
1562
1563     // grey out fields if the grid is disabled
1564     if( grid.IsEnabled() )
1565     {
1566       if ( isSelected )
1567       {
1568           dc.SetBrush( wxBrush(grid.GetSelectionBackground(), wxSOLID) );
1569       }
1570       else
1571       {
1572           dc.SetBrush( wxBrush(attr.GetBackgroundColour(), wxSOLID) );
1573       }
1574     }
1575     else
1576     {
1577       dc.SetBrush(wxBrush(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_BTNFACE), wxSOLID));
1578     }
1579
1580     dc.SetPen( *wxTRANSPARENT_PEN );
1581     dc.DrawRectangle(rect);
1582 }
1583
1584 // ----------------------------------------------------------------------------
1585 // wxGridCellStringRenderer
1586 // ----------------------------------------------------------------------------
1587
1588 void wxGridCellStringRenderer::SetTextColoursAndFont(wxGrid& grid,
1589                                                      wxGridCellAttr& attr,
1590                                                      wxDC& dc,
1591                                                      bool isSelected)
1592 {
1593     dc.SetBackgroundMode( wxTRANSPARENT );
1594
1595     // TODO some special colours for attr.IsReadOnly() case?
1596
1597     // different coloured text when the grid is disabled
1598     if( grid.IsEnabled() )
1599     {
1600       if ( isSelected )
1601       {
1602           dc.SetTextBackground( grid.GetSelectionBackground() );
1603           dc.SetTextForeground( grid.GetSelectionForeground() );
1604       }
1605       else
1606       {
1607           dc.SetTextBackground( attr.GetBackgroundColour() );
1608           dc.SetTextForeground( attr.GetTextColour() );
1609       }
1610     }
1611     else
1612     {
1613       dc.SetTextBackground(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_BTNFACE));
1614       dc.SetTextForeground(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_GRAYTEXT));
1615     }
1616
1617     dc.SetFont( attr.GetFont() );
1618 }
1619
1620 wxSize wxGridCellStringRenderer::DoGetBestSize(wxGridCellAttr& attr,
1621                                                wxDC& dc,
1622                                                const wxString& text)
1623 {
1624     wxCoord x = 0, y = 0, max_x = 0;
1625     dc.SetFont(attr.GetFont());
1626     wxStringTokenizer tk(text, _T('\n'));
1627     while ( tk.HasMoreTokens() )
1628     {
1629         dc.GetTextExtent(tk.GetNextToken(), &x, &y);
1630         max_x = wxMax(max_x, x);
1631     }
1632
1633     y *= 1 + text.Freq(wxT('\n')); // multiply by the number of lines.
1634
1635     return wxSize(max_x, y);
1636 }
1637
1638 wxSize wxGridCellStringRenderer::GetBestSize(wxGrid& grid,
1639                                              wxGridCellAttr& attr,
1640                                              wxDC& dc,
1641                                              int row, int col)
1642 {
1643     return DoGetBestSize(attr, dc, grid.GetCellValue(row, col));
1644 }
1645
1646 void wxGridCellStringRenderer::Draw(wxGrid& grid,
1647                                     wxGridCellAttr& attr,
1648                                     wxDC& dc,
1649                                     const wxRect& rectCell,
1650                                     int row, int col,
1651                                     bool isSelected)
1652 {
1653     wxRect rect = rectCell;
1654     rect.Inflate(-1);
1655
1656     // erase only this cells background, overflow cells should have been erased
1657     wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
1658
1659     int hAlign, vAlign;
1660     attr.GetAlignment(&hAlign, &vAlign);
1661
1662     int overflowCols = 0;
1663
1664     if (attr.GetOverflow())
1665     {
1666         int cols = grid.GetNumberCols();
1667         int best_width = GetBestSize(grid,attr,dc,row,col).GetWidth();
1668         int cell_rows, cell_cols;
1669         attr.GetSize( &cell_rows, &cell_cols ); // shouldn't get here if <=0
1670         if ((best_width > rectCell.width) && (col < cols) && grid.GetTable())
1671         {
1672             int i, c_cols, c_rows;
1673             for (i = col+cell_cols; i < cols; i++)
1674             {
1675                 bool is_empty = TRUE;
1676                 for (int j=row; j<row+cell_rows; j++)
1677                 {
1678                     // check w/ anchor cell for multicell block
1679                     grid.GetCellSize(j, i, &c_rows, &c_cols);
1680                     if (c_rows > 0) c_rows = 0;
1681                     if (!grid.GetTable()->IsEmptyCell(j+c_rows, i))
1682                     {
1683                         is_empty = FALSE;
1684                         break;
1685                     }
1686                 }
1687                 if (is_empty)
1688                     rect.width += grid.GetColSize(i);
1689                 else
1690                 {
1691                     i--;
1692                     break;
1693                 }
1694                 if (rect.width >= best_width) break;
1695             }
1696             overflowCols = i - col - cell_cols + 1;
1697             if (overflowCols >= cols) overflowCols = cols - 1;
1698         }
1699
1700         if (overflowCols > 0) // redraw overflow cells w/ proper hilight
1701         {
1702             hAlign = wxALIGN_LEFT; // if oveflowed then it's left aligned
1703             wxRect clip = rect;
1704             clip.x += rectCell.width;
1705             // draw each overflow cell individually
1706             int col_end = col+cell_cols+overflowCols;
1707             if (col_end >= grid.GetNumberCols())
1708                 col_end = grid.GetNumberCols() - 1;
1709             for (int i = col+cell_cols; i <= col_end; i++)
1710             {
1711                 clip.width = grid.GetColSize(i) - 1;
1712                 dc.DestroyClippingRegion();
1713                 dc.SetClippingRegion(clip);
1714
1715                 SetTextColoursAndFont(grid, attr, dc,
1716                         grid.IsInSelection(row,i));
1717
1718                 grid.DrawTextRectangle(dc, grid.GetCellValue(row, col),
1719                         rect, hAlign, vAlign);
1720                 clip.x += grid.GetColSize(i) - 1;
1721             }
1722
1723             rect = rectCell;
1724             rect.Inflate(-1);
1725             rect.width++;
1726             dc.DestroyClippingRegion();
1727         }
1728     }
1729
1730     // now we only have to draw the text
1731     SetTextColoursAndFont(grid, attr, dc, isSelected);
1732
1733     grid.DrawTextRectangle(dc, grid.GetCellValue(row, col),
1734                            rect, hAlign, vAlign);
1735 }
1736
1737 // ----------------------------------------------------------------------------
1738 // wxGridCellNumberRenderer
1739 // ----------------------------------------------------------------------------
1740
1741 wxString wxGridCellNumberRenderer::GetString(wxGrid& grid, int row, int col)
1742 {
1743     wxGridTableBase *table = grid.GetTable();
1744     wxString text;
1745     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_NUMBER) )
1746     {
1747         text.Printf(_T("%ld"), table->GetValueAsLong(row, col));
1748     }
1749     else
1750     {
1751         text = table->GetValue(row, col);
1752     }
1753
1754     return text;
1755 }
1756
1757 void wxGridCellNumberRenderer::Draw(wxGrid& grid,
1758                                     wxGridCellAttr& attr,
1759                                     wxDC& dc,
1760                                     const wxRect& rectCell,
1761                                     int row, int col,
1762                                     bool isSelected)
1763 {
1764     wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
1765
1766     SetTextColoursAndFont(grid, attr, dc, isSelected);
1767
1768     // draw the text right aligned by default
1769     int hAlign, vAlign;
1770     attr.GetAlignment(&hAlign, &vAlign);
1771     hAlign = wxALIGN_RIGHT;
1772
1773     wxRect rect = rectCell;
1774     rect.Inflate(-1);
1775
1776     grid.DrawTextRectangle(dc, GetString(grid, row, col), rect, hAlign, vAlign);
1777 }
1778
1779 wxSize wxGridCellNumberRenderer::GetBestSize(wxGrid& grid,
1780                                              wxGridCellAttr& attr,
1781                                              wxDC& dc,
1782                                              int row, int col)
1783 {
1784     return DoGetBestSize(attr, dc, GetString(grid, row, col));
1785 }
1786
1787 // ----------------------------------------------------------------------------
1788 // wxGridCellFloatRenderer
1789 // ----------------------------------------------------------------------------
1790
1791 wxGridCellFloatRenderer::wxGridCellFloatRenderer(int width, int precision)
1792 {
1793     SetWidth(width);
1794     SetPrecision(precision);
1795 }
1796
1797 wxGridCellRenderer *wxGridCellFloatRenderer::Clone() const
1798 {
1799     wxGridCellFloatRenderer *renderer = new wxGridCellFloatRenderer;
1800     renderer->m_width = m_width;
1801     renderer->m_precision = m_precision;
1802     renderer->m_format = m_format;
1803
1804     return renderer;
1805 }
1806
1807 wxString wxGridCellFloatRenderer::GetString(wxGrid& grid, int row, int col)
1808 {
1809     wxGridTableBase *table = grid.GetTable();
1810
1811     bool hasDouble;
1812     double val;
1813     wxString text;
1814     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_FLOAT) )
1815     {
1816         val = table->GetValueAsDouble(row, col);
1817         hasDouble = TRUE;
1818     }
1819     else
1820     {
1821         text = table->GetValue(row, col);
1822         hasDouble = text.ToDouble(&val);
1823     }
1824
1825     if ( hasDouble )
1826     {
1827         if ( !m_format )
1828         {
1829             if ( m_width == -1 )
1830             {
1831                 if ( m_precision == -1 )
1832                 {
1833                     // default width/precision
1834                     m_format = _T("%f");
1835                 }
1836                 else
1837                 {
1838                     m_format.Printf(_T("%%.%df"), m_precision);
1839                 }
1840             }
1841             else if ( m_precision == -1 )
1842             {
1843                 // default precision
1844                 m_format.Printf(_T("%%%d.f"), m_width);
1845             }
1846             else
1847             {
1848                 m_format.Printf(_T("%%%d.%df"), m_width, m_precision);
1849             }
1850         }
1851
1852         text.Printf(m_format, val);
1853
1854     }
1855     //else: text already contains the string
1856
1857     return text;
1858 }
1859
1860 void wxGridCellFloatRenderer::Draw(wxGrid& grid,
1861                                    wxGridCellAttr& attr,
1862                                    wxDC& dc,
1863                                    const wxRect& rectCell,
1864                                    int row, int col,
1865                                    bool isSelected)
1866 {
1867     wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
1868
1869     SetTextColoursAndFont(grid, attr, dc, isSelected);
1870
1871     // draw the text right aligned by default
1872     int hAlign, vAlign;
1873     attr.GetAlignment(&hAlign, &vAlign);
1874     hAlign = wxALIGN_RIGHT;
1875
1876     wxRect rect = rectCell;
1877     rect.Inflate(-1);
1878
1879     grid.DrawTextRectangle(dc, GetString(grid, row, col), rect, hAlign, vAlign);
1880 }
1881
1882 wxSize wxGridCellFloatRenderer::GetBestSize(wxGrid& grid,
1883                                             wxGridCellAttr& attr,
1884                                             wxDC& dc,
1885                                             int row, int col)
1886 {
1887     return DoGetBestSize(attr, dc, GetString(grid, row, col));
1888 }
1889
1890 void wxGridCellFloatRenderer::SetParameters(const wxString& params)
1891 {
1892     if ( !params )
1893     {
1894         // reset to defaults
1895         SetWidth(-1);
1896         SetPrecision(-1);
1897     }
1898     else
1899     {
1900         wxString tmp = params.BeforeFirst(_T(','));
1901         if ( !!tmp )
1902         {
1903             long width;
1904             if ( tmp.ToLong(&width) )
1905             {
1906                 SetWidth((int)width);
1907             }
1908             else
1909             {
1910                 wxLogDebug(_T("Invalid wxGridCellFloatRenderer width parameter string '%s ignored"), params.c_str());
1911             }
1912
1913         }
1914                 tmp = params.AfterFirst(_T(','));
1915                 if ( !!tmp )
1916                 {
1917                     long precision;
1918             if ( tmp.ToLong(&precision) )
1919                     {
1920                 SetPrecision((int)precision);
1921                     }
1922                     else
1923                     {
1924                 wxLogDebug(_T("Invalid wxGridCellFloatRenderer precision parameter string '%s ignored"), params.c_str());
1925         }
1926
1927         }
1928     }
1929 }
1930
1931
1932 // ----------------------------------------------------------------------------
1933 // wxGridCellBoolRenderer
1934 // ----------------------------------------------------------------------------
1935
1936 wxSize wxGridCellBoolRenderer::ms_sizeCheckMark;
1937
1938 // FIXME these checkbox size calculations are really ugly...
1939
1940 // between checkmark and box
1941 static const wxCoord wxGRID_CHECKMARK_MARGIN = 2;
1942
1943 wxSize wxGridCellBoolRenderer::GetBestSize(wxGrid& grid,
1944                                            wxGridCellAttr& WXUNUSED(attr),
1945                                            wxDC& WXUNUSED(dc),
1946                                            int WXUNUSED(row),
1947                                            int WXUNUSED(col))
1948 {
1949     // compute it only once (no locks for MT safeness in GUI thread...)
1950     if ( !ms_sizeCheckMark.x )
1951     {
1952         // get checkbox size
1953         wxCoord checkSize = 0;
1954         wxCheckBox *checkbox = new wxCheckBox(&grid, -1, wxEmptyString);
1955         wxSize size = checkbox->GetBestSize();
1956         checkSize = size.y + 2*wxGRID_CHECKMARK_MARGIN;
1957
1958         // FIXME wxGTK::wxCheckBox::GetBestSize() gives "wrong" result
1959 #if defined(__WXGTK__) || defined(__WXMOTIF__)
1960         checkSize -= size.y / 2;
1961 #endif
1962
1963         delete checkbox;
1964
1965         ms_sizeCheckMark.x = ms_sizeCheckMark.y = checkSize;
1966     }
1967
1968     return ms_sizeCheckMark;
1969 }
1970
1971 void wxGridCellBoolRenderer::Draw(wxGrid& grid,
1972                                   wxGridCellAttr& attr,
1973                                   wxDC& dc,
1974                                   const wxRect& rect,
1975                                   int row, int col,
1976                                   bool isSelected)
1977 {
1978     wxGridCellRenderer::Draw(grid, attr, dc, rect, row, col, isSelected);
1979
1980     // draw a check mark in the centre (ignoring alignment - TODO)
1981     wxSize size = GetBestSize(grid, attr, dc, row, col);
1982
1983     // don't draw outside the cell
1984     wxCoord minSize = wxMin(rect.width, rect.height);
1985     if ( size.x >= minSize || size.y >= minSize )
1986     {
1987         // and even leave (at least) 1 pixel margin
1988         size.x = size.y = minSize - 2;
1989     }
1990
1991     // draw a border around checkmark
1992     int vAlign, hAlign;
1993     attr.GetAlignment(& hAlign, &vAlign);
1994
1995     wxRect rectBorder;
1996     if (hAlign == wxALIGN_CENTRE)
1997     {
1998         rectBorder.x = rect.x + rect.width/2 - size.x/2;
1999         rectBorder.y = rect.y + rect.height/2 - size.y/2;
2000         rectBorder.width = size.x;
2001         rectBorder.height = size.y;
2002     }
2003     else if (hAlign == wxALIGN_LEFT)
2004     {
2005         rectBorder.x = rect.x + 2;
2006         rectBorder.y = rect.y + rect.height/2 - size.y/2;
2007         rectBorder.width = size.x;
2008         rectBorder.height = size.y;
2009     }
2010     else if (hAlign == wxALIGN_RIGHT)
2011     {
2012         rectBorder.x = rect.x + rect.width - size.x - 2;
2013         rectBorder.y = rect.y + rect.height/2 - size.y/2;
2014         rectBorder.width = size.x;
2015         rectBorder.height = size.y;
2016     }
2017
2018     bool value;
2019     if ( grid.GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL) )
2020         value = grid.GetTable()->GetValueAsBool(row, col);
2021     else
2022     {
2023         wxString cellval( grid.GetTable()->GetValue(row, col) );
2024         value = !( !cellval || (cellval == wxT("0")) );
2025     }
2026
2027     if ( value )
2028     {
2029         wxRect rectMark = rectBorder;
2030 #ifdef __WXMSW__
2031         // MSW DrawCheckMark() is weird (and should probably be changed...)
2032         rectMark.Inflate(-wxGRID_CHECKMARK_MARGIN/2);
2033         rectMark.x++;
2034         rectMark.y++;
2035 #else // !MSW
2036         rectMark.Inflate(-wxGRID_CHECKMARK_MARGIN);
2037 #endif // MSW/!MSW
2038
2039         dc.SetTextForeground(attr.GetTextColour());
2040         dc.DrawCheckMark(rectMark);
2041     }
2042
2043     dc.SetBrush(*wxTRANSPARENT_BRUSH);
2044     dc.SetPen(wxPen(attr.GetTextColour(), 1, wxSOLID));
2045     dc.DrawRectangle(rectBorder);
2046 }
2047
2048 // ----------------------------------------------------------------------------
2049 // wxGridCellAttr
2050 // ----------------------------------------------------------------------------
2051
2052 void wxGridCellAttr::Init(wxGridCellAttr *attrDefault)
2053 {
2054     m_nRef = 1;
2055
2056     m_isReadOnly = Unset;
2057
2058     m_renderer = NULL;
2059     m_editor = NULL;
2060
2061     m_attrkind = wxGridCellAttr::Cell;
2062
2063     m_sizeRows = m_sizeCols = 1;
2064     m_overflow = TRUE;
2065
2066     SetDefAttr(attrDefault);
2067 }
2068
2069 wxGridCellAttr *wxGridCellAttr::Clone() const
2070 {
2071     wxGridCellAttr *attr = new wxGridCellAttr(m_defGridAttr);
2072
2073     if ( HasTextColour() )
2074         attr->SetTextColour(GetTextColour());
2075     if ( HasBackgroundColour() )
2076         attr->SetBackgroundColour(GetBackgroundColour());
2077     if ( HasFont() )
2078         attr->SetFont(GetFont());
2079     if ( HasAlignment() )
2080         attr->SetAlignment(m_hAlign, m_vAlign);
2081
2082     attr->SetSize( m_sizeRows, m_sizeCols );
2083
2084     if ( m_renderer )
2085     {
2086         attr->SetRenderer(m_renderer);
2087         m_renderer->IncRef();
2088     }
2089     if ( m_editor )
2090     {
2091         attr->SetEditor(m_editor);
2092         m_editor->IncRef();
2093     }
2094
2095     if ( IsReadOnly() )
2096         attr->SetReadOnly();
2097
2098     attr->SetKind( m_attrkind );
2099
2100     return attr;
2101 }
2102
2103 void wxGridCellAttr::MergeWith(wxGridCellAttr *mergefrom)
2104 {
2105     if ( !HasTextColour() && mergefrom->HasTextColour() )
2106         SetTextColour(mergefrom->GetTextColour());
2107     if ( !HasBackgroundColour() && mergefrom->HasBackgroundColour() )
2108         SetBackgroundColour(mergefrom->GetBackgroundColour());
2109     if ( !HasFont() && mergefrom->HasFont() )
2110         SetFont(mergefrom->GetFont());
2111     if ( !HasAlignment() && mergefrom->HasAlignment() ){
2112         int hAlign, vAlign;
2113         mergefrom->GetAlignment( &hAlign, &vAlign);
2114         SetAlignment(hAlign, vAlign);
2115     }
2116
2117     mergefrom->GetSize( &m_sizeRows, &m_sizeCols );
2118
2119     // Directly access member functions as GetRender/Editor don't just return
2120     // m_renderer/m_editor
2121     //
2122     // Maybe add support for merge of Render and Editor?
2123     if (!HasRenderer() && mergefrom->HasRenderer() )
2124     {
2125         m_renderer = mergefrom->m_renderer;
2126         m_renderer->IncRef();
2127     }
2128     if ( !HasEditor() && mergefrom->HasEditor() )
2129     {
2130         m_editor =  mergefrom->m_editor;
2131         m_editor->IncRef();
2132     }
2133     if ( !HasReadWriteMode()  && mergefrom->HasReadWriteMode() )
2134         SetReadOnly(mergefrom->IsReadOnly());
2135
2136     if (!HasOverflowMode()  && mergefrom->HasOverflowMode() )
2137         SetReadOnly(mergefrom->GetOverflow());
2138
2139     SetDefAttr(mergefrom->m_defGridAttr);
2140 }
2141
2142 void wxGridCellAttr::SetSize(int num_rows, int num_cols)
2143 {
2144     // The size of a cell is normally 1,1
2145
2146     // If this cell is larger (2,2) then this is the top left cell
2147     // the other cells that will be covered (lower right cells) must be
2148     // set to negative or zero values such that
2149     // row + num_rows of the covered cell points to the larger cell (this cell)
2150     // same goes for the col + num_cols.
2151
2152     // Size of 0,0 is NOT valid, neither is <=0 and any positive value
2153
2154     wxASSERT_MSG( (!((num_rows>0)&&(num_cols<=0)) ||
2155                   !((num_rows<=0)&&(num_cols>0)) ||
2156                   !((num_rows==0)&&(num_cols==0))),
2157                   wxT("wxGridCellAttr::SetSize only takes two postive values or negative/zero values"));
2158
2159     m_sizeRows = num_rows;
2160     m_sizeCols = num_cols;
2161 }
2162
2163 const wxColour& wxGridCellAttr::GetTextColour() const
2164 {
2165     if (HasTextColour())
2166     {
2167         return m_colText;
2168     }
2169     else if (m_defGridAttr && m_defGridAttr != this)
2170     {
2171         return m_defGridAttr->GetTextColour();
2172     }
2173     else
2174     {
2175         wxFAIL_MSG(wxT("Missing default cell attribute"));
2176         return wxNullColour;
2177     }
2178 }
2179
2180
2181 const wxColour& wxGridCellAttr::GetBackgroundColour() const
2182 {
2183     if (HasBackgroundColour())
2184         return m_colBack;
2185     else if (m_defGridAttr && m_defGridAttr != this)
2186         return m_defGridAttr->GetBackgroundColour();
2187     else
2188     {
2189         wxFAIL_MSG(wxT("Missing default cell attribute"));
2190         return wxNullColour;
2191     }
2192 }
2193
2194
2195 const wxFont& wxGridCellAttr::GetFont() const
2196 {
2197     if (HasFont())
2198         return m_font;
2199     else if (m_defGridAttr && m_defGridAttr != this)
2200         return m_defGridAttr->GetFont();
2201     else
2202     {
2203         wxFAIL_MSG(wxT("Missing default cell attribute"));
2204         return wxNullFont;
2205     }
2206 }
2207
2208
2209 void wxGridCellAttr::GetAlignment(int *hAlign, int *vAlign) const
2210 {
2211     if (HasAlignment())
2212     {
2213         if ( hAlign ) *hAlign = m_hAlign;
2214         if ( vAlign ) *vAlign = m_vAlign;
2215     }
2216     else if (m_defGridAttr && m_defGridAttr != this)
2217         m_defGridAttr->GetAlignment(hAlign, vAlign);
2218     else
2219     {
2220         wxFAIL_MSG(wxT("Missing default cell attribute"));
2221     }
2222 }
2223
2224 void wxGridCellAttr::GetSize( int *num_rows, int *num_cols ) const
2225 {
2226     if ( num_rows ) *num_rows = m_sizeRows;
2227     if ( num_cols ) *num_cols = m_sizeCols;
2228 }
2229
2230 // GetRenderer and GetEditor use a slightly different decision path about
2231 // which attribute to use.  If a non-default attr object has one then it is
2232 // used, otherwise the default editor or renderer is fetched from the grid and
2233 // used.  It should be the default for the data type of the cell.  If it is
2234 // NULL (because the table has a type that the grid does not have in its
2235 // registry,) then the grid's default editor or renderer is used.
2236
2237 wxGridCellRenderer* wxGridCellAttr::GetRenderer(wxGrid* grid, int row, int col) const
2238 {
2239     wxGridCellRenderer *renderer;
2240
2241     if ( m_renderer && this != m_defGridAttr )
2242     {
2243         // use the cells renderer if it has one
2244         renderer = m_renderer;
2245         renderer->IncRef();
2246     }
2247     else // no non default cell renderer
2248     {
2249         // get default renderer for the data type
2250         if ( grid )
2251         {
2252             // GetDefaultRendererForCell() will do IncRef() for us
2253             renderer = grid->GetDefaultRendererForCell(row, col);
2254         }
2255         else
2256         {
2257             renderer = NULL;
2258         }
2259
2260         if ( !renderer )
2261         {
2262             if (m_defGridAttr &&  this != m_defGridAttr )
2263             {
2264                 // if we still don't have one then use the grid default
2265                 // (no need for IncRef() here neither)
2266                 renderer = m_defGridAttr->GetRenderer(NULL, 0, 0);
2267             }
2268             else // default grid attr
2269             {
2270                 // use m_renderer which we had decided not to use initially
2271                 renderer = m_renderer;
2272                 if ( renderer )
2273                     renderer->IncRef();
2274             }
2275         }
2276     }
2277
2278     // we're supposed to always find something
2279     wxASSERT_MSG(renderer, wxT("Missing default cell renderer"));
2280
2281     return renderer;
2282 }
2283
2284 // same as above, except for s/renderer/editor/g
2285 wxGridCellEditor* wxGridCellAttr::GetEditor(wxGrid* grid, int row, int col) const
2286 {
2287     wxGridCellEditor *editor;
2288
2289     if ( m_editor && this != m_defGridAttr )
2290     {
2291         // use the cells editor if it has one
2292         editor = m_editor;
2293         editor->IncRef();
2294     }
2295     else // no non default cell editor
2296     {
2297         // get default editor for the data type
2298         if ( grid )
2299         {
2300             // GetDefaultEditorForCell() will do IncRef() for us
2301             editor = grid->GetDefaultEditorForCell(row, col);
2302         }
2303         else
2304         {
2305             editor = NULL;
2306         }
2307
2308         if ( !editor )
2309         {
2310             if ( m_defGridAttr && this != m_defGridAttr )
2311             {
2312                 // if we still don't have one then use the grid default
2313                 // (no need for IncRef() here neither)
2314                 editor = m_defGridAttr->GetEditor(NULL, 0, 0);
2315             }
2316             else // default grid attr
2317             {
2318                 // use m_editor which we had decided not to use initially
2319                 editor = m_editor;
2320                 if ( editor )
2321                     editor->IncRef();
2322             }
2323         }
2324     }
2325
2326     // we're supposed to always find something
2327     wxASSERT_MSG(editor, wxT("Missing default cell editor"));
2328
2329     return editor;
2330 }
2331
2332 // ----------------------------------------------------------------------------
2333 // wxGridCellAttrData
2334 // ----------------------------------------------------------------------------
2335
2336 void wxGridCellAttrData::SetAttr(wxGridCellAttr *attr, int row, int col)
2337 {
2338     int n = FindIndex(row, col);
2339     if ( n == wxNOT_FOUND )
2340     {
2341         // add the attribute
2342         m_attrs.Add(new wxGridCellWithAttr(row, col, attr));
2343     }
2344     else
2345     {
2346         // free the old attribute
2347         m_attrs[(size_t)n].attr->DecRef();
2348
2349         if ( attr )
2350         {
2351             // change the attribute
2352             m_attrs[(size_t)n].attr = attr;
2353         }
2354         else
2355         {
2356             // remove this attribute
2357             m_attrs.RemoveAt((size_t)n);
2358         }
2359     }
2360 }
2361
2362 wxGridCellAttr *wxGridCellAttrData::GetAttr(int row, int col) const
2363 {
2364     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
2365
2366     int n = FindIndex(row, col);
2367     if ( n != wxNOT_FOUND )
2368     {
2369         attr = m_attrs[(size_t)n].attr;
2370         attr->IncRef();
2371     }
2372
2373     return attr;
2374 }
2375
2376 void wxGridCellAttrData::UpdateAttrRows( size_t pos, int numRows )
2377 {
2378     size_t count = m_attrs.GetCount();
2379     for ( size_t n = 0; n < count; n++ )
2380     {
2381         wxGridCellCoords& coords = m_attrs[n].coords;
2382         wxCoord row = coords.GetRow();
2383         if ((size_t)row >= pos)
2384         {
2385             if (numRows > 0)
2386             {
2387                 // If rows inserted, include row counter where necessary
2388                 coords.SetRow(row + numRows);
2389             }
2390             else if (numRows < 0)
2391             {
2392                 // If rows deleted ...
2393                 if ((size_t)row >= pos - numRows)
2394                 {
2395                     // ...either decrement row counter (if row still exists)...
2396                     coords.SetRow(row + numRows);
2397                 }
2398                 else
2399                 {
2400                     // ...or remove the attribute
2401                     m_attrs.RemoveAt((size_t)n);
2402                     n--; count--;
2403                 }
2404             }
2405         }
2406     }
2407 }
2408
2409 void wxGridCellAttrData::UpdateAttrCols( size_t pos, int numCols )
2410 {
2411     size_t count = m_attrs.GetCount();
2412     for ( size_t n = 0; n < count; n++ )
2413     {
2414         wxGridCellCoords& coords = m_attrs[n].coords;
2415         wxCoord col = coords.GetCol();
2416         if ( (size_t)col >= pos )
2417         {
2418             if ( numCols > 0 )
2419             {
2420                 // If rows inserted, include row counter where necessary
2421                 coords.SetCol(col + numCols);
2422             }
2423             else if (numCols < 0)
2424             {
2425                 // If rows deleted ...
2426                 if ((size_t)col >= pos - numCols)
2427                 {
2428                     // ...either decrement row counter (if row still exists)...
2429                     coords.SetCol(col + numCols);
2430                 }
2431                 else
2432                 {
2433                     // ...or remove the attribute
2434                     m_attrs.RemoveAt((size_t)n);
2435                     n--; count--;
2436                 }
2437             }
2438         }
2439     }
2440 }
2441
2442 int wxGridCellAttrData::FindIndex(int row, int col) const
2443 {
2444     size_t count = m_attrs.GetCount();
2445     for ( size_t n = 0; n < count; n++ )
2446     {
2447         const wxGridCellCoords& coords = m_attrs[n].coords;
2448         if ( (coords.GetRow() == row) && (coords.GetCol() == col) )
2449         {
2450             return n;
2451         }
2452     }
2453
2454     return wxNOT_FOUND;
2455 }
2456
2457 // ----------------------------------------------------------------------------
2458 // wxGridRowOrColAttrData
2459 // ----------------------------------------------------------------------------
2460
2461 wxGridRowOrColAttrData::~wxGridRowOrColAttrData()
2462 {
2463     size_t count = m_attrs.Count();
2464     for ( size_t n = 0; n < count; n++ )
2465     {
2466         m_attrs[n]->DecRef();
2467     }
2468 }
2469
2470 wxGridCellAttr *wxGridRowOrColAttrData::GetAttr(int rowOrCol) const
2471 {
2472     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
2473
2474     int n = m_rowsOrCols.Index(rowOrCol);
2475     if ( n != wxNOT_FOUND )
2476     {
2477         attr = m_attrs[(size_t)n];
2478         attr->IncRef();
2479     }
2480
2481     return attr;
2482 }
2483
2484 void wxGridRowOrColAttrData::SetAttr(wxGridCellAttr *attr, int rowOrCol)
2485 {
2486     int i = m_rowsOrCols.Index(rowOrCol);
2487     if ( i == wxNOT_FOUND )
2488     {
2489         // add the attribute
2490         m_rowsOrCols.Add(rowOrCol);
2491         m_attrs.Add(attr);
2492     }
2493     else
2494     {
2495         size_t n = (size_t)i;
2496         if ( attr )
2497         {
2498             // change the attribute
2499             m_attrs[n]->DecRef();
2500             m_attrs[n] = attr;
2501         }
2502         else
2503         {
2504             // remove this attribute
2505             m_attrs[n]->DecRef();
2506             m_rowsOrCols.RemoveAt(n);
2507             m_attrs.RemoveAt(n);
2508         }
2509     }
2510 }
2511
2512 void wxGridRowOrColAttrData::UpdateAttrRowsOrCols( size_t pos, int numRowsOrCols )
2513 {
2514     size_t count = m_attrs.GetCount();
2515     for ( size_t n = 0; n < count; n++ )
2516     {
2517         int & rowOrCol = m_rowsOrCols[n];
2518         if ( (size_t)rowOrCol >= pos )
2519         {
2520             if ( numRowsOrCols > 0 )
2521             {
2522                 // If rows inserted, include row counter where necessary
2523                 rowOrCol += numRowsOrCols;
2524             }
2525             else if ( numRowsOrCols < 0)
2526             {
2527                 // If rows deleted, either decrement row counter (if row still exists)
2528                 if ((size_t)rowOrCol >= pos - numRowsOrCols)
2529                     rowOrCol += numRowsOrCols;
2530                 else
2531                 {
2532                     m_rowsOrCols.RemoveAt((size_t)n);
2533                     m_attrs.RemoveAt((size_t)n);
2534                     n--; count--;
2535                 }
2536             }
2537         }
2538     }
2539 }
2540
2541 // ----------------------------------------------------------------------------
2542 // wxGridCellAttrProvider
2543 // ----------------------------------------------------------------------------
2544
2545 wxGridCellAttrProvider::wxGridCellAttrProvider()
2546 {
2547     m_data = (wxGridCellAttrProviderData *)NULL;
2548 }
2549
2550 wxGridCellAttrProvider::~wxGridCellAttrProvider()
2551 {
2552     delete m_data;
2553 }
2554
2555 void wxGridCellAttrProvider::InitData()
2556 {
2557     m_data = new wxGridCellAttrProviderData;
2558 }
2559
2560 wxGridCellAttr *wxGridCellAttrProvider::GetAttr(int row, int col,
2561                                                 wxGridCellAttr::wxAttrKind  kind ) const
2562 {
2563     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
2564     if ( m_data )
2565     {
2566         switch(kind)
2567         {
2568             case (wxGridCellAttr::Any):
2569                 //Get cached merge attributes.
2570                 // Currenlty not used as no cache implemented as not mutiable
2571                 // attr = m_data->m_mergeAttr.GetAttr(row, col);
2572                 if(!attr)
2573                 {
2574                     //Basicaly implement old version.
2575                     //Also check merge cache, so we don't have to re-merge every time..
2576                     wxGridCellAttr *attrcell = (wxGridCellAttr *)NULL,
2577                                    *attrrow = (wxGridCellAttr *)NULL,
2578                                    *attrcol = (wxGridCellAttr *)NULL;
2579
2580                     attrcell = m_data->m_cellAttrs.GetAttr(row, col);
2581                     attrcol = m_data->m_colAttrs.GetAttr(col);
2582                     attrrow = m_data->m_rowAttrs.GetAttr(row);
2583
2584                     if((attrcell != attrrow) && (attrrow !=attrcol) && (attrcell != attrcol)){
2585                         // Two or move are non NULL
2586                         attr = new wxGridCellAttr;
2587                         attr->SetKind(wxGridCellAttr::Merged);
2588
2589                         //Order important..
2590                         if(attrcell){
2591                             attr->MergeWith(attrcell);
2592                             attrcell->DecRef();
2593                         }
2594                         if(attrcol){
2595                             attr->MergeWith(attrcol);
2596                             attrcol->DecRef();
2597                         }
2598                         if(attrrow){
2599                             attr->MergeWith(attrrow);
2600                             attrrow->DecRef();
2601                         }
2602                         //store merge attr if cache implemented
2603                         //attr->IncRef();
2604                         //m_data->m_mergeAttr.SetAttr(attr, row, col);
2605                     }
2606                     else
2607         {
2608                         // one or none is non null return it or null.
2609                         if(attrrow) attr = attrrow;
2610                         if(attrcol) attr = attrcol;
2611                         if(attrcell) attr = attrcell;
2612                     }
2613                 }
2614             break;
2615             case (wxGridCellAttr::Cell):
2616                 attr = m_data->m_cellAttrs.GetAttr(row, col);
2617             break;
2618             case (wxGridCellAttr::Col):
2619                  attr = m_data->m_colAttrs.GetAttr(col);
2620             break;
2621             case (wxGridCellAttr::Row):
2622             attr = m_data->m_rowAttrs.GetAttr(row);
2623             break;
2624             default:
2625                 // unused as yet...
2626                 // (wxGridCellAttr::Default):
2627                 // (wxGridCellAttr::Merged):
2628             break;
2629         }
2630     }
2631     return attr;
2632 }
2633
2634 void wxGridCellAttrProvider::SetAttr(wxGridCellAttr *attr,
2635                                      int row, int col)
2636 {
2637     if ( !m_data )
2638         InitData();
2639
2640     m_data->m_cellAttrs.SetAttr(attr, row, col);
2641 }
2642
2643 void wxGridCellAttrProvider::SetRowAttr(wxGridCellAttr *attr, int row)
2644 {
2645     if ( !m_data )
2646         InitData();
2647
2648     m_data->m_rowAttrs.SetAttr(attr, row);
2649 }
2650
2651 void wxGridCellAttrProvider::SetColAttr(wxGridCellAttr *attr, int col)
2652 {
2653     if ( !m_data )
2654         InitData();
2655
2656     m_data->m_colAttrs.SetAttr(attr, col);
2657 }
2658
2659 void wxGridCellAttrProvider::UpdateAttrRows( size_t pos, int numRows )
2660 {
2661     if ( m_data )
2662     {
2663         m_data->m_cellAttrs.UpdateAttrRows( pos, numRows );
2664
2665         m_data->m_rowAttrs.UpdateAttrRowsOrCols( pos, numRows );
2666     }
2667 }
2668
2669 void wxGridCellAttrProvider::UpdateAttrCols( size_t pos, int numCols )
2670 {
2671     if ( m_data )
2672     {
2673         m_data->m_cellAttrs.UpdateAttrCols( pos, numCols );
2674
2675         m_data->m_colAttrs.UpdateAttrRowsOrCols( pos, numCols );
2676     }
2677 }
2678
2679 // ----------------------------------------------------------------------------
2680 // wxGridTypeRegistry
2681 // ----------------------------------------------------------------------------
2682
2683 wxGridTypeRegistry::~wxGridTypeRegistry()
2684 {
2685     size_t count = m_typeinfo.Count();
2686     for ( size_t i = 0; i < count; i++ )
2687         delete m_typeinfo[i];
2688 }
2689
2690
2691 void wxGridTypeRegistry::RegisterDataType(const wxString& typeName,
2692                                           wxGridCellRenderer* renderer,
2693                                           wxGridCellEditor* editor)
2694 {
2695     wxGridDataTypeInfo* info = new wxGridDataTypeInfo(typeName, renderer, editor);
2696
2697     // is it already registered?
2698     int loc = FindRegisteredDataType(typeName);
2699     if ( loc != wxNOT_FOUND )
2700     {
2701         delete m_typeinfo[loc];
2702         m_typeinfo[loc] = info;
2703     }
2704     else
2705     {
2706         m_typeinfo.Add(info);
2707     }
2708 }
2709
2710 int wxGridTypeRegistry::FindRegisteredDataType(const wxString& typeName)
2711 {
2712     size_t count = m_typeinfo.GetCount();
2713     for ( size_t i = 0; i < count; i++ )
2714     {
2715         if ( typeName == m_typeinfo[i]->m_typeName )
2716         {
2717             return i;
2718         }
2719     }
2720
2721     return wxNOT_FOUND;
2722 }
2723
2724 int wxGridTypeRegistry::FindDataType(const wxString& typeName)
2725 {
2726     int index = FindRegisteredDataType(typeName);
2727     if ( index == wxNOT_FOUND )
2728     {
2729         // check whether this is one of the standard ones, in which case
2730         // register it "on the fly"
2731 #if wxUSE_TEXTCTRL
2732         if ( typeName == wxGRID_VALUE_STRING )
2733         {
2734             RegisterDataType(wxGRID_VALUE_STRING,
2735                              new wxGridCellStringRenderer,
2736                              new wxGridCellTextEditor);
2737         } else
2738 #endif // wxUSE_TEXTCTRL
2739 #if wxUSE_CHECKBOX
2740         if ( typeName == wxGRID_VALUE_BOOL )
2741         {
2742             RegisterDataType(wxGRID_VALUE_BOOL,
2743                              new wxGridCellBoolRenderer,
2744                              new wxGridCellBoolEditor);
2745         } else
2746 #endif // wxUSE_CHECKBOX
2747 #if wxUSE_TEXTCTRL
2748         if ( typeName == wxGRID_VALUE_NUMBER )
2749         {
2750             RegisterDataType(wxGRID_VALUE_NUMBER,
2751                              new wxGridCellNumberRenderer,
2752                              new wxGridCellNumberEditor);
2753         }
2754         else if ( typeName == wxGRID_VALUE_FLOAT )
2755         {
2756             RegisterDataType(wxGRID_VALUE_FLOAT,
2757                              new wxGridCellFloatRenderer,
2758                              new wxGridCellFloatEditor);
2759         } else
2760 #endif // wxUSE_TEXTCTRL
2761 #if wxUSE_COMBOBOX
2762         if ( typeName == wxGRID_VALUE_CHOICE )
2763         {
2764             RegisterDataType(wxGRID_VALUE_CHOICE,
2765                              new wxGridCellStringRenderer,
2766                              new wxGridCellChoiceEditor);
2767         } else
2768 #endif // wxUSE_COMBOBOX
2769         {
2770             return wxNOT_FOUND;
2771         }
2772
2773         // we get here only if just added the entry for this type, so return
2774         // the last index
2775         index = m_typeinfo.GetCount() - 1;
2776     }
2777
2778     return index;
2779 }
2780
2781 int wxGridTypeRegistry::FindOrCloneDataType(const wxString& typeName)
2782 {
2783     int index = FindDataType(typeName);
2784     if ( index == wxNOT_FOUND )
2785     {
2786         // the first part of the typename is the "real" type, anything after ':'
2787         // are the parameters for the renderer
2788         index = FindDataType(typeName.BeforeFirst(_T(':')));
2789         if ( index == wxNOT_FOUND )
2790         {
2791             return wxNOT_FOUND;
2792         }
2793
2794         wxGridCellRenderer *renderer = GetRenderer(index);
2795         wxGridCellRenderer *rendererOld = renderer;
2796         renderer = renderer->Clone();
2797         rendererOld->DecRef();
2798
2799         wxGridCellEditor *editor = GetEditor(index);
2800         wxGridCellEditor *editorOld = editor;
2801         editor = editor->Clone();
2802         editorOld->DecRef();
2803
2804         // do it even if there are no parameters to reset them to defaults
2805         wxString params = typeName.AfterFirst(_T(':'));
2806         renderer->SetParameters(params);
2807         editor->SetParameters(params);
2808
2809         // register the new typename
2810         RegisterDataType(typeName, renderer, editor);
2811
2812         // we just registered it, it's the last one
2813         index = m_typeinfo.GetCount() - 1;
2814     }
2815
2816     return index;
2817 }
2818
2819 wxGridCellRenderer* wxGridTypeRegistry::GetRenderer(int index)
2820 {
2821     wxGridCellRenderer* renderer = m_typeinfo[index]->m_renderer;
2822     if (renderer)
2823         renderer->IncRef();
2824     return renderer;
2825 }
2826
2827 wxGridCellEditor* wxGridTypeRegistry::GetEditor(int index)
2828 {
2829     wxGridCellEditor* editor = m_typeinfo[index]->m_editor;
2830     if (editor)
2831         editor->IncRef();
2832     return editor;
2833 }
2834
2835 // ----------------------------------------------------------------------------
2836 // wxGridTableBase
2837 // ----------------------------------------------------------------------------
2838
2839 IMPLEMENT_ABSTRACT_CLASS( wxGridTableBase, wxObject )
2840
2841
2842 wxGridTableBase::wxGridTableBase()
2843 {
2844     m_view = (wxGrid *) NULL;
2845     m_attrProvider = (wxGridCellAttrProvider *) NULL;
2846 }
2847
2848 wxGridTableBase::~wxGridTableBase()
2849 {
2850     delete m_attrProvider;
2851 }
2852
2853 void wxGridTableBase::SetAttrProvider(wxGridCellAttrProvider *attrProvider)
2854 {
2855     delete m_attrProvider;
2856     m_attrProvider = attrProvider;
2857 }
2858
2859 bool wxGridTableBase::CanHaveAttributes()
2860 {
2861     if ( ! GetAttrProvider() )
2862     {
2863         // use the default attr provider by default
2864         SetAttrProvider(new wxGridCellAttrProvider);
2865     }
2866     return TRUE;
2867 }
2868
2869 wxGridCellAttr *wxGridTableBase::GetAttr(int row, int col, wxGridCellAttr::wxAttrKind  kind)
2870 {
2871     if ( m_attrProvider )
2872         return m_attrProvider->GetAttr(row, col, kind);
2873     else
2874         return (wxGridCellAttr *)NULL;
2875 }
2876
2877 void wxGridTableBase::SetAttr(wxGridCellAttr* attr, int row, int col)
2878 {
2879     if ( m_attrProvider )
2880     {
2881         attr->SetKind(wxGridCellAttr::Cell);
2882         m_attrProvider->SetAttr(attr, row, col);
2883     }
2884     else
2885     {
2886         // as we take ownership of the pointer and don't store it, we must
2887         // free it now
2888         wxSafeDecRef(attr);
2889     }
2890 }
2891
2892 void wxGridTableBase::SetRowAttr(wxGridCellAttr *attr, int row)
2893 {
2894     if ( m_attrProvider )
2895     {
2896         attr->SetKind(wxGridCellAttr::Row);
2897         m_attrProvider->SetRowAttr(attr, row);
2898     }
2899     else
2900     {
2901         // as we take ownership of the pointer and don't store it, we must
2902         // free it now
2903         wxSafeDecRef(attr);
2904     }
2905 }
2906
2907 void wxGridTableBase::SetColAttr(wxGridCellAttr *attr, int col)
2908 {
2909     if ( m_attrProvider )
2910     {
2911         attr->SetKind(wxGridCellAttr::Col);
2912         m_attrProvider->SetColAttr(attr, col);
2913     }
2914     else
2915     {
2916         // as we take ownership of the pointer and don't store it, we must
2917         // free it now
2918         wxSafeDecRef(attr);
2919     }
2920 }
2921
2922 bool wxGridTableBase::InsertRows( size_t WXUNUSED(pos),
2923                                   size_t WXUNUSED(numRows) )
2924 {
2925     wxFAIL_MSG( wxT("Called grid table class function InsertRows\nbut your derived table class does not override this function") );
2926
2927     return FALSE;
2928 }
2929
2930 bool wxGridTableBase::AppendRows( size_t WXUNUSED(numRows) )
2931 {
2932     wxFAIL_MSG( wxT("Called grid table class function AppendRows\nbut your derived table class does not override this function"));
2933
2934     return FALSE;
2935 }
2936
2937 bool wxGridTableBase::DeleteRows( size_t WXUNUSED(pos),
2938                                   size_t WXUNUSED(numRows) )
2939 {
2940     wxFAIL_MSG( wxT("Called grid table class function DeleteRows\nbut your derived table class does not override this function"));
2941
2942     return FALSE;
2943 }
2944
2945 bool wxGridTableBase::InsertCols( size_t WXUNUSED(pos),
2946                                   size_t WXUNUSED(numCols) )
2947 {
2948     wxFAIL_MSG( wxT("Called grid table class function InsertCols\nbut your derived table class does not override this function"));
2949
2950     return FALSE;
2951 }
2952
2953 bool wxGridTableBase::AppendCols( size_t WXUNUSED(numCols) )
2954 {
2955     wxFAIL_MSG(wxT("Called grid table class function AppendCols\nbut your derived table class does not override this function"));
2956
2957     return FALSE;
2958 }
2959
2960 bool wxGridTableBase::DeleteCols( size_t WXUNUSED(pos),
2961                                   size_t WXUNUSED(numCols) )
2962 {
2963     wxFAIL_MSG( wxT("Called grid table class function DeleteCols\nbut your derived table class does not override this function"));
2964
2965     return FALSE;
2966 }
2967
2968
2969 wxString wxGridTableBase::GetRowLabelValue( int row )
2970 {
2971     wxString s;
2972     s << row + 1; // RD: Starting the rows at zero confuses users, no matter
2973                   //     how much it makes sense to us geeks.
2974     return s;
2975 }
2976
2977 wxString wxGridTableBase::GetColLabelValue( int col )
2978 {
2979     // default col labels are:
2980     //   cols 0 to 25   : A-Z
2981     //   cols 26 to 675 : AA-ZZ
2982     //   etc.
2983
2984     wxString s;
2985     unsigned int i, n;
2986     for ( n = 1; ; n++ )
2987     {
2988         s += (_T('A') + (wxChar)( col%26 ));
2989         col = col/26 - 1;
2990         if ( col < 0 ) break;
2991     }
2992
2993     // reverse the string...
2994     wxString s2;
2995     for ( i = 0;  i < n;  i++ )
2996     {
2997         s2 += s[n-i-1];
2998     }
2999
3000     return s2;
3001 }
3002
3003
3004 wxString wxGridTableBase::GetTypeName( int WXUNUSED(row), int WXUNUSED(col) )
3005 {
3006     return wxGRID_VALUE_STRING;
3007 }
3008
3009 bool wxGridTableBase::CanGetValueAs( int WXUNUSED(row), int WXUNUSED(col),
3010                                      const wxString& typeName )
3011 {
3012     return typeName == wxGRID_VALUE_STRING;
3013 }
3014
3015 bool wxGridTableBase::CanSetValueAs( int row, int col, const wxString& typeName )
3016 {
3017     return CanGetValueAs(row, col, typeName);
3018 }
3019
3020 long wxGridTableBase::GetValueAsLong( int WXUNUSED(row), int WXUNUSED(col) )
3021 {
3022     return 0;
3023 }
3024
3025 double wxGridTableBase::GetValueAsDouble( int WXUNUSED(row), int WXUNUSED(col) )
3026 {
3027     return 0.0;
3028 }
3029
3030 bool wxGridTableBase::GetValueAsBool( int WXUNUSED(row), int WXUNUSED(col) )
3031 {
3032     return FALSE;
3033 }
3034
3035 void wxGridTableBase::SetValueAsLong( int WXUNUSED(row), int WXUNUSED(col),
3036                                       long WXUNUSED(value) )
3037 {
3038 }
3039
3040 void wxGridTableBase::SetValueAsDouble( int WXUNUSED(row), int WXUNUSED(col),
3041                                         double WXUNUSED(value) )
3042 {
3043 }
3044
3045 void wxGridTableBase::SetValueAsBool( int WXUNUSED(row), int WXUNUSED(col),
3046                                       bool WXUNUSED(value) )
3047 {
3048 }
3049
3050
3051 void* wxGridTableBase::GetValueAsCustom( int WXUNUSED(row), int WXUNUSED(col),
3052                                          const wxString& WXUNUSED(typeName) )
3053 {
3054     return NULL;
3055 }
3056
3057 void  wxGridTableBase::SetValueAsCustom( int WXUNUSED(row), int WXUNUSED(col),
3058                                          const wxString& WXUNUSED(typeName),
3059                                          void* WXUNUSED(value) )
3060 {
3061 }
3062
3063 //////////////////////////////////////////////////////////////////////
3064 //
3065 // Message class for the grid table to send requests and notifications
3066 // to the grid view
3067 //
3068
3069 wxGridTableMessage::wxGridTableMessage()
3070 {
3071     m_table = (wxGridTableBase *) NULL;
3072     m_id = -1;
3073     m_comInt1 = -1;
3074     m_comInt2 = -1;
3075 }
3076
3077 wxGridTableMessage::wxGridTableMessage( wxGridTableBase *table, int id,
3078                                         int commandInt1, int commandInt2 )
3079 {
3080     m_table = table;
3081     m_id = id;
3082     m_comInt1 = commandInt1;
3083     m_comInt2 = commandInt2;
3084 }
3085
3086
3087
3088 //////////////////////////////////////////////////////////////////////
3089 //
3090 // A basic grid table for string data. An object of this class will
3091 // created by wxGrid if you don't specify an alternative table class.
3092 //
3093
3094 WX_DEFINE_OBJARRAY(wxGridStringArray)
3095
3096 IMPLEMENT_DYNAMIC_CLASS( wxGridStringTable, wxGridTableBase )
3097
3098 wxGridStringTable::wxGridStringTable()
3099         : wxGridTableBase()
3100 {
3101 }
3102
3103 wxGridStringTable::wxGridStringTable( int numRows, int numCols )
3104         : wxGridTableBase()
3105 {
3106     m_data.Alloc( numRows );
3107
3108     wxArrayString sa;
3109     sa.Alloc( numCols );
3110     sa.Add( wxEmptyString, numCols );
3111
3112     m_data.Add( sa, numRows );
3113 }
3114
3115 wxGridStringTable::~wxGridStringTable()
3116 {
3117 }
3118
3119 int wxGridStringTable::GetNumberRows()
3120 {
3121     return m_data.GetCount();
3122 }
3123
3124 int wxGridStringTable::GetNumberCols()
3125 {
3126     if ( m_data.GetCount() > 0 )
3127         return m_data[0].GetCount();
3128     else
3129         return 0;
3130 }
3131
3132 wxString wxGridStringTable::GetValue( int row, int col )
3133 {
3134     wxASSERT_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),
3135                   _T("invalid row or column index in wxGridStringTable") );
3136
3137     return m_data[row][col];
3138 }
3139
3140 void wxGridStringTable::SetValue( int row, int col, const wxString& value )
3141 {
3142     wxASSERT_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),
3143                   _T("invalid row or column index in wxGridStringTable") );
3144
3145     m_data[row][col] = value;
3146 }
3147
3148 bool wxGridStringTable::IsEmptyCell( int row, int col )
3149 {
3150     wxASSERT_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),
3151                   _T("invalid row or column index in wxGridStringTable") );
3152
3153     return (m_data[row][col] == wxEmptyString);
3154 }
3155
3156 void wxGridStringTable::Clear()
3157 {
3158     int row, col;
3159     int numRows, numCols;
3160
3161     numRows = m_data.GetCount();
3162     if ( numRows > 0 )
3163     {
3164         numCols = m_data[0].GetCount();
3165
3166         for ( row = 0;  row < numRows;  row++ )
3167         {
3168             for ( col = 0;  col < numCols;  col++ )
3169             {
3170                 m_data[row][col] = wxEmptyString;
3171             }
3172         }
3173     }
3174 }
3175
3176
3177 bool wxGridStringTable::InsertRows( size_t pos, size_t numRows )
3178 {
3179     size_t curNumRows = m_data.GetCount();
3180     size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
3181                           ( GetView() ? GetView()->GetNumberCols() : 0 ) );
3182
3183     if ( pos >= curNumRows )
3184     {
3185         return AppendRows( numRows );
3186     }
3187
3188     wxArrayString sa;
3189     sa.Alloc( curNumCols );
3190     sa.Add( wxEmptyString, curNumCols );
3191     m_data.Insert( sa, pos, numRows );
3192     if ( GetView() )
3193     {
3194         wxGridTableMessage msg( this,
3195                                 wxGRIDTABLE_NOTIFY_ROWS_INSERTED,
3196                                 pos,
3197                                 numRows );
3198
3199         GetView()->ProcessTableMessage( msg );
3200     }
3201
3202     return TRUE;
3203 }
3204
3205 bool wxGridStringTable::AppendRows( size_t numRows )
3206 {
3207     size_t curNumRows = m_data.GetCount();
3208     size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
3209                           ( GetView() ? GetView()->GetNumberCols() : 0 ) );
3210
3211     wxArrayString sa;
3212     if ( curNumCols > 0 )
3213     {
3214         sa.Alloc( curNumCols );
3215         sa.Add( wxEmptyString, curNumCols );
3216     }
3217
3218     m_data.Add( sa, numRows );
3219
3220     if ( GetView() )
3221     {
3222         wxGridTableMessage msg( this,
3223                                 wxGRIDTABLE_NOTIFY_ROWS_APPENDED,
3224                                 numRows );
3225
3226         GetView()->ProcessTableMessage( msg );
3227     }
3228
3229     return TRUE;
3230 }
3231
3232 bool wxGridStringTable::DeleteRows( size_t pos, size_t numRows )
3233 {
3234     size_t curNumRows = m_data.GetCount();
3235
3236     if ( pos >= curNumRows )
3237     {
3238         wxFAIL_MSG( wxString::Format
3239                     (
3240                         wxT("Called wxGridStringTable::DeleteRows(pos=%lu, N=%lu)\nPos value is invalid for present table with %lu rows"),
3241                         (unsigned long)pos,
3242                         (unsigned long)numRows,
3243                         (unsigned long)curNumRows
3244                     ) );
3245
3246         return FALSE;
3247     }
3248
3249     if ( numRows > curNumRows - pos )
3250     {
3251         numRows = curNumRows - pos;
3252     }
3253
3254     if ( numRows >= curNumRows )
3255     {
3256         m_data.Clear();
3257     }
3258     else
3259     {
3260         m_data.RemoveAt( pos, numRows );
3261     }
3262     if ( GetView() )
3263     {
3264         wxGridTableMessage msg( this,
3265                                 wxGRIDTABLE_NOTIFY_ROWS_DELETED,
3266                                 pos,
3267                                 numRows );
3268
3269         GetView()->ProcessTableMessage( msg );
3270     }
3271
3272     return TRUE;
3273 }
3274
3275 bool wxGridStringTable::InsertCols( size_t pos, size_t numCols )
3276 {
3277     size_t row, col;
3278
3279     size_t curNumRows = m_data.GetCount();
3280     size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
3281                           ( GetView() ? GetView()->GetNumberCols() : 0 ) );
3282
3283     if ( pos >= curNumCols )
3284     {
3285         return AppendCols( numCols );
3286     }
3287
3288     for ( row = 0;  row < curNumRows;  row++ )
3289     {
3290         for ( col = pos;  col < pos + numCols;  col++ )
3291         {
3292             m_data[row].Insert( wxEmptyString, col );
3293         }
3294     }
3295     if ( GetView() )
3296     {
3297         wxGridTableMessage msg( this,
3298                                 wxGRIDTABLE_NOTIFY_COLS_INSERTED,
3299                                 pos,
3300                                 numCols );
3301
3302         GetView()->ProcessTableMessage( msg );
3303     }
3304
3305     return TRUE;
3306 }
3307
3308 bool wxGridStringTable::AppendCols( size_t numCols )
3309 {
3310     size_t row;
3311
3312     size_t curNumRows = m_data.GetCount();
3313 #if 0
3314     if ( !curNumRows )
3315     {
3316         // TODO: something better than this ?
3317         //
3318         wxFAIL_MSG( wxT("Unable to append cols to a grid table with no rows.\nCall AppendRows() first") );
3319         return FALSE;
3320     }
3321 #endif
3322
3323     for ( row = 0;  row < curNumRows;  row++ )
3324     {
3325         m_data[row].Add( wxEmptyString, numCols );
3326     }
3327
3328     if ( GetView() )
3329     {
3330         wxGridTableMessage msg( this,
3331                                 wxGRIDTABLE_NOTIFY_COLS_APPENDED,
3332                                 numCols );
3333
3334         GetView()->ProcessTableMessage( msg );
3335     }
3336
3337     return TRUE;
3338 }
3339
3340 bool wxGridStringTable::DeleteCols( size_t pos, size_t numCols )
3341 {
3342     size_t row;
3343
3344     size_t curNumRows = m_data.GetCount();
3345     size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
3346                           ( GetView() ? GetView()->GetNumberCols() : 0 ) );
3347
3348     if ( pos >= curNumCols )
3349     {
3350         wxFAIL_MSG( wxString::Format
3351                     (
3352                         wxT("Called wxGridStringTable::DeleteCols(pos=%lu, N=%lu)\nPos value is invalid for present table with %lu cols"),
3353                         (unsigned long)pos,
3354                         (unsigned long)numCols,
3355                         (unsigned long)curNumCols
3356                     ) );
3357         return FALSE;
3358     }
3359
3360     if ( numCols > curNumCols - pos )
3361     {
3362         numCols = curNumCols - pos;
3363     }
3364
3365     for ( row = 0;  row < curNumRows;  row++ )
3366     {
3367         if ( numCols >= curNumCols )
3368         {
3369             m_data[row].Clear();
3370         }
3371         else
3372         {
3373             m_data[row].RemoveAt( pos, numCols );
3374         }
3375     }
3376     if ( GetView() )
3377     {
3378         wxGridTableMessage msg( this,
3379                                 wxGRIDTABLE_NOTIFY_COLS_DELETED,
3380                                 pos,
3381                                 numCols );
3382
3383         GetView()->ProcessTableMessage( msg );
3384     }
3385
3386     return TRUE;
3387 }
3388
3389 wxString wxGridStringTable::GetRowLabelValue( int row )
3390 {
3391     if ( row > (int)(m_rowLabels.GetCount()) - 1 )
3392     {
3393         // using default label
3394         //
3395         return wxGridTableBase::GetRowLabelValue( row );
3396     }
3397     else
3398     {
3399         return m_rowLabels[ row ];
3400     }
3401 }
3402
3403 wxString wxGridStringTable::GetColLabelValue( int col )
3404 {
3405     if ( col > (int)(m_colLabels.GetCount()) - 1 )
3406     {
3407         // using default label
3408         //
3409         return wxGridTableBase::GetColLabelValue( col );
3410     }
3411     else
3412     {
3413         return m_colLabels[ col ];
3414     }
3415 }
3416
3417 void wxGridStringTable::SetRowLabelValue( int row, const wxString& value )
3418 {
3419     if ( row > (int)(m_rowLabels.GetCount()) - 1 )
3420     {
3421         int n = m_rowLabels.GetCount();
3422         int i;
3423         for ( i = n;  i <= row;  i++ )
3424         {
3425             m_rowLabels.Add( wxGridTableBase::GetRowLabelValue(i) );
3426         }
3427     }
3428
3429     m_rowLabels[row] = value;
3430 }
3431
3432 void wxGridStringTable::SetColLabelValue( int col, const wxString& value )
3433 {
3434     if ( col > (int)(m_colLabels.GetCount()) - 1 )
3435     {
3436         int n = m_colLabels.GetCount();
3437         int i;
3438         for ( i = n;  i <= col;  i++ )
3439         {
3440             m_colLabels.Add( wxGridTableBase::GetColLabelValue(i) );
3441         }
3442     }
3443
3444     m_colLabels[col] = value;
3445 }
3446
3447
3448
3449 //////////////////////////////////////////////////////////////////////
3450 //////////////////////////////////////////////////////////////////////
3451
3452 IMPLEMENT_DYNAMIC_CLASS( wxGridRowLabelWindow, wxWindow )
3453
3454 BEGIN_EVENT_TABLE( wxGridRowLabelWindow, wxWindow )
3455     EVT_PAINT( wxGridRowLabelWindow::OnPaint )
3456     EVT_MOUSEWHEEL( wxGridRowLabelWindow::OnMouseWheel)
3457     EVT_MOUSE_EVENTS( wxGridRowLabelWindow::OnMouseEvent )
3458     EVT_KEY_DOWN( wxGridRowLabelWindow::OnKeyDown )
3459     EVT_KEY_UP( wxGridRowLabelWindow::OnKeyUp )
3460 END_EVENT_TABLE()
3461
3462 wxGridRowLabelWindow::wxGridRowLabelWindow( wxGrid *parent,
3463                                             wxWindowID id,
3464                                             const wxPoint &pos, const wxSize &size )
3465   : wxWindow( parent, id, pos, size, wxWANTS_CHARS )
3466 {
3467     m_owner = parent;
3468 }
3469
3470 void wxGridRowLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
3471 {
3472     wxPaintDC dc(this);
3473
3474     // NO - don't do this because it will set both the x and y origin
3475     // coords to match the parent scrolled window and we just want to
3476     // set the y coord  - MB
3477     //
3478     // m_owner->PrepareDC( dc );
3479
3480     int x, y;
3481     m_owner->CalcUnscrolledPosition( 0, 0, &x, &y );
3482     dc.SetDeviceOrigin( 0, -y );
3483
3484     wxArrayInt rows = m_owner->CalcRowLabelsExposed( GetUpdateRegion() );
3485     m_owner->DrawRowLabels( dc , rows );
3486 }
3487
3488
3489 void wxGridRowLabelWindow::OnMouseEvent( wxMouseEvent& event )
3490 {
3491     m_owner->ProcessRowLabelMouseEvent( event );
3492 }
3493
3494
3495 void wxGridRowLabelWindow::OnMouseWheel( wxMouseEvent& event )
3496 {
3497     m_owner->GetEventHandler()->ProcessEvent(event);
3498 }
3499
3500
3501 // This seems to be required for wxMotif otherwise the mouse
3502 // cursor must be in the cell edit control to get key events
3503 //
3504 void wxGridRowLabelWindow::OnKeyDown( wxKeyEvent& event )
3505 {
3506     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3507 }
3508
3509 void wxGridRowLabelWindow::OnKeyUp( wxKeyEvent& event )
3510 {
3511     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3512 }
3513
3514
3515
3516 //////////////////////////////////////////////////////////////////////
3517
3518 IMPLEMENT_DYNAMIC_CLASS( wxGridColLabelWindow, wxWindow )
3519
3520 BEGIN_EVENT_TABLE( wxGridColLabelWindow, wxWindow )
3521     EVT_PAINT( wxGridColLabelWindow::OnPaint )
3522     EVT_MOUSEWHEEL( wxGridColLabelWindow::OnMouseWheel)
3523     EVT_MOUSE_EVENTS( wxGridColLabelWindow::OnMouseEvent )
3524     EVT_KEY_DOWN( wxGridColLabelWindow::OnKeyDown )
3525     EVT_KEY_UP( wxGridColLabelWindow::OnKeyUp )
3526 END_EVENT_TABLE()
3527
3528 wxGridColLabelWindow::wxGridColLabelWindow( wxGrid *parent,
3529                                             wxWindowID id,
3530                                             const wxPoint &pos, const wxSize &size )
3531   : wxWindow( parent, id, pos, size, wxWANTS_CHARS )
3532 {
3533     m_owner = parent;
3534 }
3535
3536 void wxGridColLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
3537 {
3538     wxPaintDC dc(this);
3539
3540     // NO - don't do this because it will set both the x and y origin
3541     // coords to match the parent scrolled window and we just want to
3542     // set the x coord  - MB
3543     //
3544     // m_owner->PrepareDC( dc );
3545
3546     int x, y;
3547     m_owner->CalcUnscrolledPosition( 0, 0, &x, &y );
3548     dc.SetDeviceOrigin( -x, 0 );
3549
3550     wxArrayInt cols = m_owner->CalcColLabelsExposed( GetUpdateRegion() );
3551     m_owner->DrawColLabels( dc , cols );
3552 }
3553
3554
3555 void wxGridColLabelWindow::OnMouseEvent( wxMouseEvent& event )
3556 {
3557     m_owner->ProcessColLabelMouseEvent( event );
3558 }
3559
3560 void wxGridColLabelWindow::OnMouseWheel( wxMouseEvent& event )
3561 {
3562     m_owner->GetEventHandler()->ProcessEvent(event);
3563 }
3564
3565
3566 // This seems to be required for wxMotif otherwise the mouse
3567 // cursor must be in the cell edit control to get key events
3568 //
3569 void wxGridColLabelWindow::OnKeyDown( wxKeyEvent& event )
3570 {
3571     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3572 }
3573
3574 void wxGridColLabelWindow::OnKeyUp( wxKeyEvent& event )
3575 {
3576     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3577 }
3578
3579
3580
3581 //////////////////////////////////////////////////////////////////////
3582
3583 IMPLEMENT_DYNAMIC_CLASS( wxGridCornerLabelWindow, wxWindow )
3584
3585 BEGIN_EVENT_TABLE( wxGridCornerLabelWindow, wxWindow )
3586     EVT_MOUSEWHEEL( wxGridCornerLabelWindow::OnMouseWheel)
3587     EVT_MOUSE_EVENTS( wxGridCornerLabelWindow::OnMouseEvent )
3588     EVT_PAINT( wxGridCornerLabelWindow::OnPaint)
3589     EVT_KEY_DOWN( wxGridCornerLabelWindow::OnKeyDown )
3590     EVT_KEY_UP( wxGridCornerLabelWindow::OnKeyUp )
3591 END_EVENT_TABLE()
3592
3593 wxGridCornerLabelWindow::wxGridCornerLabelWindow( wxGrid *parent,
3594                                                   wxWindowID id,
3595                                                   const wxPoint &pos, const wxSize &size )
3596   : wxWindow( parent, id, pos, size, wxWANTS_CHARS )
3597 {
3598     m_owner = parent;
3599 }
3600
3601 void wxGridCornerLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
3602 {
3603     wxPaintDC dc(this);
3604
3605     int client_height = 0;
3606     int client_width = 0;
3607     GetClientSize( &client_width, &client_height );
3608
3609     dc.SetPen( wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW),1, wxSOLID) );
3610     dc.DrawLine( client_width-1, client_height-1, client_width-1, 0 );
3611     dc.DrawLine( client_width-1, client_height-1, 0, client_height-1 );
3612     dc.DrawLine( 0, 0, client_width, 0 );
3613     dc.DrawLine( 0, 0, 0, client_height );
3614
3615     dc.SetPen( *wxWHITE_PEN );
3616     dc.DrawLine( 1, 1, client_width-1, 1 );
3617     dc.DrawLine( 1, 1, 1, client_height-1 );
3618 }
3619
3620
3621 void wxGridCornerLabelWindow::OnMouseEvent( wxMouseEvent& event )
3622 {
3623     m_owner->ProcessCornerLabelMouseEvent( event );
3624 }
3625
3626
3627 void wxGridCornerLabelWindow::OnMouseWheel( wxMouseEvent& event )
3628 {
3629     m_owner->GetEventHandler()->ProcessEvent(event);
3630 }
3631
3632 // This seems to be required for wxMotif otherwise the mouse
3633 // cursor must be in the cell edit control to get key events
3634 //
3635 void wxGridCornerLabelWindow::OnKeyDown( wxKeyEvent& event )
3636 {
3637     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3638 }
3639
3640 void wxGridCornerLabelWindow::OnKeyUp( wxKeyEvent& event )
3641 {
3642     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3643 }
3644
3645
3646
3647 //////////////////////////////////////////////////////////////////////
3648
3649 IMPLEMENT_DYNAMIC_CLASS( wxGridWindow, wxWindow )
3650
3651 BEGIN_EVENT_TABLE( wxGridWindow, wxWindow )
3652     EVT_PAINT( wxGridWindow::OnPaint )
3653     EVT_MOUSEWHEEL( wxGridWindow::OnMouseWheel)
3654     EVT_MOUSE_EVENTS( wxGridWindow::OnMouseEvent )
3655     EVT_KEY_DOWN( wxGridWindow::OnKeyDown )
3656     EVT_KEY_UP( wxGridWindow::OnKeyUp )
3657     EVT_ERASE_BACKGROUND( wxGridWindow::OnEraseBackground )
3658 END_EVENT_TABLE()
3659
3660 wxGridWindow::wxGridWindow( wxGrid *parent,
3661                             wxGridRowLabelWindow *rowLblWin,
3662                             wxGridColLabelWindow *colLblWin,
3663                             wxWindowID id,
3664                             const wxPoint &pos,
3665                             const wxSize &size )
3666             : wxWindow( parent, id, pos, size, wxWANTS_CHARS | wxCLIP_CHILDREN,
3667                         wxT("grid window") )
3668
3669 {
3670     m_owner = parent;
3671     m_rowLabelWin = rowLblWin;
3672     m_colLabelWin = colLblWin;
3673     SetBackgroundColour(_T("WHITE"));
3674 }
3675
3676
3677 wxGridWindow::~wxGridWindow()
3678 {
3679 }
3680
3681
3682 void wxGridWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
3683 {
3684     wxPaintDC dc( this );
3685     m_owner->PrepareDC( dc );
3686     wxRegion reg = GetUpdateRegion();
3687     wxGridCellCoordsArray DirtyCells = m_owner->CalcCellsExposed( reg );
3688     m_owner->DrawGridCellArea( dc , DirtyCells);
3689 #if WXGRID_DRAW_LINES
3690     m_owner->DrawAllGridLines( dc, reg );
3691 #endif
3692     m_owner->DrawGridSpace( dc );
3693     m_owner->DrawHighlight( dc , DirtyCells );
3694 }
3695
3696
3697 void wxGridWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
3698 {
3699     wxWindow::ScrollWindow( dx, dy, rect );
3700     m_rowLabelWin->ScrollWindow( 0, dy, rect );
3701     m_colLabelWin->ScrollWindow( dx, 0, rect );
3702 }
3703
3704
3705 void wxGridWindow::OnMouseEvent( wxMouseEvent& event )
3706 {
3707     m_owner->ProcessGridCellMouseEvent( event );
3708 }
3709
3710 void wxGridWindow::OnMouseWheel( wxMouseEvent& event )
3711 {
3712     m_owner->GetEventHandler()->ProcessEvent(event);
3713 }
3714
3715 // This seems to be required for wxMotif/wxGTK otherwise the mouse
3716 // cursor must be in the cell edit control to get key events
3717 //
3718 void wxGridWindow::OnKeyDown( wxKeyEvent& event )
3719 {
3720     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3721 }
3722
3723 void wxGridWindow::OnKeyUp( wxKeyEvent& event )
3724 {
3725     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
3726 }
3727
3728 void wxGridWindow::OnEraseBackground( wxEraseEvent& WXUNUSED(event) )
3729 {
3730 }
3731
3732
3733 //////////////////////////////////////////////////////////////////////
3734
3735 // Internal Helper function for computing row or column from some
3736 // (unscrolled) coordinate value, using either
3737 // m_defaultRowHeight/m_defaultColWidth or binary search on array
3738 // of m_rowBottoms/m_ColRights to speed up the search!
3739
3740 // Internal helper macros for simpler use of that function
3741
3742 static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
3743                            const wxArrayInt& BorderArray, int nMax,
3744                            bool clipToMinMax);
3745
3746 #define internalXToCol(x) CoordToRowOrCol(x, m_defaultColWidth, \
3747                                           WXGRID_MIN_COL_WIDTH, \
3748                                           m_colRights, m_numCols, TRUE)
3749 #define internalYToRow(y) CoordToRowOrCol(y, m_defaultRowHeight, \
3750                                           WXGRID_MIN_ROW_HEIGHT, \
3751                                           m_rowBottoms, m_numRows, TRUE)
3752 /////////////////////////////////////////////////////////////////////
3753
3754 IMPLEMENT_DYNAMIC_CLASS( wxGrid, wxScrolledWindow )
3755
3756 BEGIN_EVENT_TABLE( wxGrid, wxScrolledWindow )
3757     EVT_PAINT( wxGrid::OnPaint )
3758     EVT_SIZE( wxGrid::OnSize )
3759     EVT_KEY_DOWN( wxGrid::OnKeyDown )
3760     EVT_KEY_UP( wxGrid::OnKeyUp )
3761     EVT_ERASE_BACKGROUND( wxGrid::OnEraseBackground )
3762 END_EVENT_TABLE()
3763
3764 wxGrid::wxGrid( wxWindow *parent,
3765                  wxWindowID id,
3766                  const wxPoint& pos,
3767                  const wxSize& size,
3768                  long style,
3769                  const wxString& name )
3770   : wxScrolledWindow( parent, id, pos, size, (style | wxWANTS_CHARS), name ),
3771     m_colMinWidths(GRID_HASH_SIZE),
3772     m_rowMinHeights(GRID_HASH_SIZE)
3773 {
3774     Create();
3775 }
3776
3777
3778 wxGrid::~wxGrid()
3779 {
3780     // Must do this or ~wxScrollHelper will pop the wrong event handler
3781     SetTargetWindow(this);
3782     ClearAttrCache();
3783     wxSafeDecRef(m_defaultCellAttr);
3784
3785 #ifdef DEBUG_ATTR_CACHE
3786     size_t total = gs_nAttrCacheHits + gs_nAttrCacheMisses;
3787     wxPrintf(_T("wxGrid attribute cache statistics: "
3788                 "total: %u, hits: %u (%u%%)\n"),
3789              total, gs_nAttrCacheHits,
3790              total ? (gs_nAttrCacheHits*100) / total : 0);
3791 #endif
3792
3793     if (m_ownTable)
3794         delete m_table;
3795
3796     delete m_typeRegistry;
3797     delete m_selection;
3798 }
3799
3800
3801 //
3802 // ----- internal init and update functions
3803 //
3804
3805 void wxGrid::Create()
3806 {
3807     m_created = FALSE;    // set to TRUE by CreateGrid
3808
3809     m_table        = (wxGridTableBase *) NULL;
3810     m_ownTable     = FALSE;
3811
3812     m_cellEditCtrlEnabled = FALSE;
3813
3814     m_defaultCellAttr = new wxGridCellAttr();
3815
3816     // Set default cell attributes
3817     m_defaultCellAttr->SetDefAttr(m_defaultCellAttr);
3818     m_defaultCellAttr->SetKind(wxGridCellAttr::Default);
3819     m_defaultCellAttr->SetFont(GetFont());
3820     m_defaultCellAttr->SetAlignment(wxALIGN_LEFT, wxALIGN_TOP);
3821     m_defaultCellAttr->SetTextColour(
3822         wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
3823     m_defaultCellAttr->SetBackgroundColour(
3824         wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
3825     m_defaultCellAttr->SetRenderer(new wxGridCellStringRenderer);
3826     m_defaultCellAttr->SetEditor(new wxGridCellTextEditor);
3827
3828
3829     m_numRows = 0;
3830     m_numCols = 0;
3831     m_currentCellCoords = wxGridNoCellCoords;
3832
3833     m_rowLabelWidth = WXGRID_DEFAULT_ROW_LABEL_WIDTH;
3834     m_colLabelHeight = WXGRID_DEFAULT_COL_LABEL_HEIGHT;
3835
3836     // create the type registry
3837     m_typeRegistry = new wxGridTypeRegistry;
3838     m_selection = NULL;
3839
3840     // subwindow components that make up the wxGrid
3841     m_cornerLabelWin = new wxGridCornerLabelWindow( this,
3842                                                     -1,
3843                                                     wxDefaultPosition,
3844                                                     wxDefaultSize );
3845
3846     m_rowLabelWin = new wxGridRowLabelWindow( this,
3847                                               -1,
3848                                               wxDefaultPosition,
3849                                               wxDefaultSize );
3850
3851     m_colLabelWin = new wxGridColLabelWindow( this,
3852                                               -1,
3853                                               wxDefaultPosition,
3854                                               wxDefaultSize );
3855
3856     m_gridWin = new wxGridWindow( this,
3857                                   m_rowLabelWin,
3858                                   m_colLabelWin,
3859                                   -1,
3860                                   wxDefaultPosition,
3861                                   wxDefaultSize );
3862
3863     SetTargetWindow( m_gridWin );
3864
3865     Init();
3866 }
3867
3868
3869 bool wxGrid::CreateGrid( int numRows, int numCols,
3870                          wxGrid::wxGridSelectionModes selmode )
3871 {
3872     wxCHECK_MSG( !m_created,
3873                  FALSE,
3874                  wxT("wxGrid::CreateGrid or wxGrid::SetTable called more than once") );
3875
3876     m_numRows = numRows;
3877     m_numCols = numCols;
3878
3879     m_table = new wxGridStringTable( m_numRows, m_numCols );
3880     m_table->SetView( this );
3881     m_ownTable = TRUE;
3882     m_selection = new wxGridSelection( this, selmode );
3883
3884     CalcDimensions();
3885
3886     m_created = TRUE;
3887
3888     return m_created;
3889 }
3890
3891 void wxGrid::SetSelectionMode(wxGrid::wxGridSelectionModes selmode)
3892 {
3893     wxCHECK_RET( m_created,
3894                  wxT("Called wxGrid::SetSelectionMode() before calling CreateGrid()") );
3895
3896     m_selection->SetSelectionMode( selmode );
3897 }
3898
3899 wxGrid::wxGridSelectionModes wxGrid::GetSelectionMode() const
3900 {
3901     wxCHECK_MSG( m_created, wxGrid::wxGridSelectCells,
3902                  wxT("Called wxGrid::GetSelectionMode() before calling CreateGrid()") );
3903
3904     return m_selection->GetSelectionMode();
3905 }
3906
3907 bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership,
3908                        wxGrid::wxGridSelectionModes selmode )
3909 {
3910     if ( m_created )
3911     {
3912         // RD: Actually, this should probably be allowed.  I think it would be
3913         //     nice to be able to switch multiple Tables in and out of a single
3914         //     View at runtime.  Is there anything in the implementation that
3915         //     would prevent this?
3916
3917         // At least, you now have to cope with m_selection
3918         wxFAIL_MSG( wxT("wxGrid::CreateGrid or wxGrid::SetTable called more than once") );
3919         return FALSE;
3920     }
3921     else
3922     {
3923         m_numRows = table->GetNumberRows();
3924         m_numCols = table->GetNumberCols();
3925
3926         m_table = table;
3927         m_table->SetView( this );
3928         if (takeOwnership)
3929             m_ownTable = TRUE;
3930         m_selection = new wxGridSelection( this, selmode );
3931
3932         CalcDimensions();
3933
3934         m_created = TRUE;
3935     }
3936
3937     return m_created;
3938 }
3939
3940
3941 void wxGrid::Init()
3942 {
3943     m_rowLabelWidth  = WXGRID_DEFAULT_ROW_LABEL_WIDTH;
3944     m_colLabelHeight = WXGRID_DEFAULT_COL_LABEL_HEIGHT;
3945
3946     if ( m_rowLabelWin )
3947     {
3948         m_labelBackgroundColour = m_rowLabelWin->GetBackgroundColour();
3949     }
3950     else
3951     {
3952         m_labelBackgroundColour = wxColour( _T("WHITE") );
3953     }
3954
3955     m_labelTextColour = wxColour( _T("BLACK") );
3956
3957     // init attr cache
3958     m_attrCache.row = -1;
3959     m_attrCache.col = -1;
3960     m_attrCache.attr = NULL;
3961
3962     // TODO: something better than this ?
3963     //
3964     m_labelFont = this->GetFont();
3965     m_labelFont.SetWeight( wxBOLD );
3966
3967     m_rowLabelHorizAlign = wxALIGN_CENTRE;
3968     m_rowLabelVertAlign  = wxALIGN_CENTRE;
3969
3970     m_colLabelHorizAlign = wxALIGN_CENTRE;
3971     m_colLabelVertAlign  = wxALIGN_CENTRE;
3972     m_colLabelTextOrientation = wxHORIZONTAL;
3973
3974     m_defaultColWidth  = WXGRID_DEFAULT_COL_WIDTH;
3975     m_defaultRowHeight = m_gridWin->GetCharHeight();
3976
3977 #if defined(__WXMOTIF__) || defined(__WXGTK__)  // see also text ctrl sizing in ShowCellEditControl()
3978     m_defaultRowHeight += 8;
3979 #else
3980     m_defaultRowHeight += 4;
3981 #endif
3982
3983     m_gridLineColour = wxColour( 192,192,192 );
3984     m_gridLinesEnabled = TRUE;
3985     m_cellHighlightColour = *wxBLACK;
3986     m_cellHighlightPenWidth = 2;
3987     m_cellHighlightROPenWidth = 1;
3988
3989     m_cursorMode  = WXGRID_CURSOR_SELECT_CELL;
3990     m_winCapture = (wxWindow *)NULL;
3991     m_canDragRowSize = TRUE;
3992     m_canDragColSize = TRUE;
3993     m_canDragGridSize = TRUE;
3994     m_dragLastPos  = -1;
3995     m_dragRowOrCol = -1;
3996     m_isDragging = FALSE;
3997     m_startDragPos = wxDefaultPosition;
3998
3999     m_waitForSlowClick = FALSE;
4000
4001     m_rowResizeCursor = wxCursor( wxCURSOR_SIZENS );
4002     m_colResizeCursor = wxCursor( wxCURSOR_SIZEWE );
4003
4004     m_currentCellCoords = wxGridNoCellCoords;
4005
4006     m_selectingTopLeft = wxGridNoCellCoords;
4007     m_selectingBottomRight = wxGridNoCellCoords;
4008     m_selectionBackground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
4009     m_selectionForeground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
4010
4011     m_editable = TRUE;  // default for whole grid
4012
4013     m_inOnKeyDown = FALSE;
4014     m_batchCount = 0;
4015
4016     m_extraWidth =
4017     m_extraHeight = 0;
4018 }
4019
4020 // ----------------------------------------------------------------------------
4021 // the idea is to call these functions only when necessary because they create
4022 // quite big arrays which eat memory mostly unnecessary - in particular, if
4023 // default widths/heights are used for all rows/columns, we may not use these
4024 // arrays at all
4025 //
4026 // with some extra code, it should be possible to only store the
4027 // widths/heights different from default ones but this will be done later...
4028 // ----------------------------------------------------------------------------
4029
4030 void wxGrid::InitRowHeights()
4031 {
4032     m_rowHeights.Empty();
4033     m_rowBottoms.Empty();
4034
4035     m_rowHeights.Alloc( m_numRows );
4036     m_rowBottoms.Alloc( m_numRows );
4037
4038     int rowBottom = 0;
4039
4040     m_rowHeights.Add( m_defaultRowHeight, m_numRows );
4041
4042     for ( int i = 0;  i < m_numRows;  i++ )
4043     {
4044         rowBottom += m_defaultRowHeight;
4045         m_rowBottoms.Add( rowBottom );
4046     }
4047 }
4048
4049 void wxGrid::InitColWidths()
4050 {
4051     m_colWidths.Empty();
4052     m_colRights.Empty();
4053
4054     m_colWidths.Alloc( m_numCols );
4055     m_colRights.Alloc( m_numCols );
4056     int colRight = 0;
4057
4058     m_colWidths.Add( m_defaultColWidth, m_numCols );
4059
4060     for ( int i = 0;  i < m_numCols;  i++ )
4061     {
4062         colRight += m_defaultColWidth;
4063         m_colRights.Add( colRight );
4064     }
4065 }
4066
4067 int wxGrid::GetColWidth(int col) const
4068 {
4069     return m_colWidths.IsEmpty() ? m_defaultColWidth : m_colWidths[col];
4070 }
4071
4072 int wxGrid::GetColLeft(int col) const
4073 {
4074     return m_colRights.IsEmpty() ? col * m_defaultColWidth
4075                                  : m_colRights[col] - m_colWidths[col];
4076 }
4077
4078 int wxGrid::GetColRight(int col) const
4079 {
4080     return m_colRights.IsEmpty() ? (col + 1) * m_defaultColWidth
4081                                  : m_colRights[col];
4082 }
4083
4084 int wxGrid::GetRowHeight(int row) const
4085 {
4086     return m_rowHeights.IsEmpty() ? m_defaultRowHeight : m_rowHeights[row];
4087 }
4088
4089 int wxGrid::GetRowTop(int row) const
4090 {
4091     return m_rowBottoms.IsEmpty() ? row * m_defaultRowHeight
4092                                   : m_rowBottoms[row] - m_rowHeights[row];
4093 }
4094
4095 int wxGrid::GetRowBottom(int row) const
4096 {
4097     return m_rowBottoms.IsEmpty() ? (row + 1) * m_defaultRowHeight
4098                                   : m_rowBottoms[row];
4099 }
4100
4101 void wxGrid::CalcDimensions()
4102 {
4103     int cw, ch;
4104     GetClientSize( &cw, &ch );
4105
4106     if ( m_rowLabelWin->IsShown() )
4107         cw -= m_rowLabelWidth;
4108     if ( m_colLabelWin->IsShown() )
4109         ch -= m_colLabelHeight;
4110
4111     // grid total size
4112     int w = m_numCols > 0 ? GetColRight(m_numCols - 1) + m_extraWidth + 1 : 0;
4113     int h = m_numRows > 0 ? GetRowBottom(m_numRows - 1) + m_extraHeight + 1 : 0;
4114
4115     // take into account editor if shown
4116     if( IsCellEditControlShown() )
4117     {
4118       int w2, h2;
4119       int r = m_currentCellCoords.GetRow();
4120       int c = m_currentCellCoords.GetCol();
4121       int x = GetColLeft(c);
4122       int y = GetRowTop(r);
4123
4124       // how big is the editor
4125       wxGridCellAttr* attr = GetCellAttr(r, c);
4126       wxGridCellEditor* editor = attr->GetEditor(this, r, c);
4127       editor->GetControl()->GetSize(&w2, &h2);
4128       w2 += x;
4129       h2 += y;
4130       if( w2 > w ) w = w2;
4131       if( h2 > h ) h = h2;
4132       editor->DecRef();
4133       attr->DecRef();
4134     }
4135
4136     // preserve (more or less) the previous position
4137     int x, y;
4138     GetViewStart( &x, &y );
4139
4140     // maybe we don't need scrollbars at all?
4141     //
4142     // also adjust the position to be valid for the new scroll rangs
4143     if ( w <= cw )
4144     {
4145         w = x = 0;
4146     }
4147     else
4148     {
4149         if ( x >= w )
4150             x = w - 1;
4151     }
4152
4153     if ( h <= ch )
4154     {
4155         h = y = 0;
4156     }
4157     else
4158     {
4159         if ( y >= h )
4160             y = h - 1;
4161     }
4162
4163     // do set scrollbar parameters
4164     SetScrollbars( GRID_SCROLL_LINE_X, GRID_SCROLL_LINE_Y,
4165                    GetScrollX(w), GetScrollY(h), x, y,
4166                    GetBatchCount() != 0);
4167
4168     // if our OnSize() hadn't been called (it would if we have scrollbars), we
4169     // still must reposition the children
4170     CalcWindowSizes();
4171 }
4172
4173
4174 void wxGrid::CalcWindowSizes()
4175 {
4176     int cw, ch;
4177     GetClientSize( &cw, &ch );
4178
4179     if ( m_cornerLabelWin->IsShown() )
4180         m_cornerLabelWin->SetSize( 0, 0, m_rowLabelWidth, m_colLabelHeight );
4181
4182     if ( m_colLabelWin->IsShown() )
4183         m_colLabelWin->SetSize( m_rowLabelWidth, 0, cw-m_rowLabelWidth, m_colLabelHeight);
4184
4185     if ( m_rowLabelWin->IsShown() )
4186         m_rowLabelWin->SetSize( 0, m_colLabelHeight, m_rowLabelWidth, ch-m_colLabelHeight);
4187
4188     if ( m_gridWin->IsShown() )
4189         m_gridWin->SetSize( m_rowLabelWidth, m_colLabelHeight, cw-m_rowLabelWidth, ch-m_colLabelHeight);
4190 }
4191
4192
4193 // this is called when the grid table sends a message to say that it
4194 // has been redimensioned
4195 //
4196 bool wxGrid::Redimension( wxGridTableMessage& msg )
4197 {
4198     int i;
4199     bool result = FALSE;
4200
4201     // Clear the attribute cache as the attribute might refer to a different
4202     // cell than stored in the cache after adding/removing rows/columns.
4203     ClearAttrCache();
4204     // By the same reasoning, the editor should be dismissed if columns are
4205     // added or removed. And for consistency, it should IMHO always be
4206     // removed, not only if the cell "underneath" it actually changes.
4207     // For now, I intentionally do not save the editor's content as the
4208     // cell it might want to save that stuff to might no longer exist.
4209     HideCellEditControl();
4210 #if 0
4211     // if we were using the default widths/heights so far, we must change them
4212     // now
4213     if ( m_colWidths.IsEmpty() )
4214     {
4215         InitColWidths();
4216     }
4217
4218     if ( m_rowHeights.IsEmpty() )
4219     {
4220         InitRowHeights();
4221     }
4222 #endif
4223
4224     switch ( msg.GetId() )
4225     {
4226         case wxGRIDTABLE_NOTIFY_ROWS_INSERTED:
4227         {
4228             size_t pos = msg.GetCommandInt();
4229             int numRows = msg.GetCommandInt2();
4230
4231             m_numRows += numRows;
4232
4233             if ( !m_rowHeights.IsEmpty() )
4234             {
4235                 m_rowHeights.Insert( m_defaultRowHeight, pos, numRows );
4236                 m_rowBottoms.Insert( 0, pos, numRows );
4237
4238                 int bottom = 0;
4239                 if ( pos > 0 ) bottom = m_rowBottoms[pos-1];
4240
4241                 for ( i = pos;  i < m_numRows;  i++ )
4242                 {
4243                     bottom += m_rowHeights[i];
4244                     m_rowBottoms[i] = bottom;
4245                 }
4246             }
4247             if ( m_currentCellCoords == wxGridNoCellCoords )
4248             {
4249                 // if we have just inserted cols into an empty grid the current
4250                 // cell will be undefined...
4251                 //
4252                 SetCurrentCell( 0, 0 );
4253             }
4254
4255             if ( m_selection )
4256                 m_selection->UpdateRows( pos, numRows );
4257             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
4258             if (attrProvider)
4259                 attrProvider->UpdateAttrRows( pos, numRows );
4260
4261             if ( !GetBatchCount() )
4262             {
4263                 CalcDimensions();
4264                 m_rowLabelWin->Refresh();
4265             }
4266         }
4267         result = TRUE;
4268         break;
4269
4270         case wxGRIDTABLE_NOTIFY_ROWS_APPENDED:
4271         {
4272             int numRows = msg.GetCommandInt();
4273             int oldNumRows = m_numRows;
4274             m_numRows += numRows;
4275
4276             if ( !m_rowHeights.IsEmpty() )
4277             {
4278                 m_rowHeights.Add( m_defaultRowHeight, numRows );
4279                 m_rowBottoms.Add( 0, numRows );
4280
4281                 int bottom = 0;
4282                 if ( oldNumRows > 0 ) bottom = m_rowBottoms[oldNumRows-1];
4283
4284                 for ( i = oldNumRows;  i < m_numRows;  i++ )
4285                 {
4286                     bottom += m_rowHeights[i];
4287                     m_rowBottoms[i] = bottom;
4288                 }
4289             }
4290             if ( m_currentCellCoords == wxGridNoCellCoords )
4291             {
4292                 // if we have just inserted cols into an empty grid the current
4293                 // cell will be undefined...
4294                 //
4295                 SetCurrentCell( 0, 0 );
4296             }
4297             if ( !GetBatchCount() )
4298             {
4299                 CalcDimensions();
4300                 m_rowLabelWin->Refresh();
4301             }
4302         }
4303         result = TRUE;
4304         break;
4305
4306         case wxGRIDTABLE_NOTIFY_ROWS_DELETED:
4307         {
4308             size_t pos = msg.GetCommandInt();
4309             int numRows = msg.GetCommandInt2();
4310             m_numRows -= numRows;
4311
4312             if ( !m_rowHeights.IsEmpty() )
4313             {
4314                 m_rowHeights.RemoveAt( pos, numRows );
4315                 m_rowBottoms.RemoveAt( pos, numRows );
4316
4317                 int h = 0;
4318                 for ( i = 0;  i < m_numRows;  i++ )
4319                 {
4320                     h += m_rowHeights[i];
4321                     m_rowBottoms[i] = h;
4322                 }
4323             }
4324             if ( !m_numRows )
4325             {
4326                 m_currentCellCoords = wxGridNoCellCoords;
4327             }
4328             else
4329             {
4330                 if ( m_currentCellCoords.GetRow() >= m_numRows )
4331                     m_currentCellCoords.Set( 0, 0 );
4332             }
4333
4334             if ( m_selection )
4335                 m_selection->UpdateRows( pos, -((int)numRows) );
4336             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
4337             if (attrProvider) {
4338                 attrProvider->UpdateAttrRows( pos, -((int)numRows) );
4339 // ifdef'd out following patch from Paul Gammans
4340 #if 0
4341                 // No need to touch column attributes, unless we
4342                 // removed _all_ rows, in this case, we remove
4343                 // all column attributes.
4344                 // I hate to do this here, but the
4345                 // needed data is not available inside UpdateAttrRows.
4346                 if ( !GetNumberRows() )
4347                     attrProvider->UpdateAttrCols( 0, -GetNumberCols() );
4348 #endif
4349             }
4350             if ( !GetBatchCount() )
4351             {
4352                 CalcDimensions();
4353                 m_rowLabelWin->Refresh();
4354             }
4355         }
4356         result = TRUE;
4357         break;
4358
4359         case wxGRIDTABLE_NOTIFY_COLS_INSERTED:
4360         {
4361             size_t pos = msg.GetCommandInt();
4362             int numCols = msg.GetCommandInt2();
4363             m_numCols += numCols;
4364
4365             if ( !m_colWidths.IsEmpty() )
4366             {
4367                 m_colWidths.Insert( m_defaultColWidth, pos, numCols );
4368                 m_colRights.Insert( 0, pos, numCols );
4369
4370                 int right = 0;
4371                 if ( pos > 0 ) right = m_colRights[pos-1];
4372
4373                 for ( i = pos;  i < m_numCols;  i++ )
4374                 {
4375                     right += m_colWidths[i];
4376                     m_colRights[i] = right;
4377                 }
4378             }
4379             if ( m_currentCellCoords == wxGridNoCellCoords )
4380             {
4381                 // if we have just inserted cols into an empty grid the current
4382                 // cell will be undefined...
4383                 //
4384                 SetCurrentCell( 0, 0 );
4385             }
4386
4387             if ( m_selection )
4388                 m_selection->UpdateCols( pos, numCols );
4389             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
4390             if (attrProvider)
4391                 attrProvider->UpdateAttrCols( pos, numCols );
4392             if ( !GetBatchCount() )
4393             {
4394                 CalcDimensions();
4395                 m_colLabelWin->Refresh();
4396             }
4397
4398         }
4399         result = TRUE;
4400         break;
4401
4402         case wxGRIDTABLE_NOTIFY_COLS_APPENDED:
4403         {
4404             int numCols = msg.GetCommandInt();
4405             int oldNumCols = m_numCols;
4406             m_numCols += numCols;
4407             if ( !m_colWidths.IsEmpty() )
4408             {
4409                 m_colWidths.Add( m_defaultColWidth, numCols );
4410                 m_colRights.Add( 0, numCols );
4411
4412                 int right = 0;
4413                 if ( oldNumCols > 0 ) right = m_colRights[oldNumCols-1];
4414
4415                 for ( i = oldNumCols;  i < m_numCols;  i++ )
4416                 {
4417                     right += m_colWidths[i];
4418                     m_colRights[i] = right;
4419                 }
4420             }
4421             if ( m_currentCellCoords == wxGridNoCellCoords )
4422             {
4423                 // if we have just inserted cols into an empty grid the current
4424                 // cell will be undefined...
4425                 //
4426                 SetCurrentCell( 0, 0 );
4427             }
4428             if ( !GetBatchCount() )
4429             {
4430                 CalcDimensions();
4431                 m_colLabelWin->Refresh();
4432             }
4433         }
4434         result = TRUE;
4435         break;
4436
4437         case wxGRIDTABLE_NOTIFY_COLS_DELETED:
4438         {
4439             size_t pos = msg.GetCommandInt();
4440             int numCols = msg.GetCommandInt2();
4441             m_numCols -= numCols;
4442
4443             if ( !m_colWidths.IsEmpty() )
4444             {
4445                 m_colWidths.RemoveAt( pos, numCols );
4446                 m_colRights.RemoveAt( pos, numCols );
4447
4448                 int w = 0;
4449                 for ( i = 0;  i < m_numCols;  i++ )
4450                 {
4451                     w += m_colWidths[i];
4452                     m_colRights[i] = w;
4453                 }
4454             }
4455             if ( !m_numCols )
4456             {
4457                 m_currentCellCoords = wxGridNoCellCoords;
4458             }
4459             else
4460             {
4461                 if ( m_currentCellCoords.GetCol() >= m_numCols )
4462                   m_currentCellCoords.Set( 0, 0 );
4463             }
4464
4465             if ( m_selection )
4466                 m_selection->UpdateCols( pos, -((int)numCols) );
4467             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
4468             if (attrProvider) {
4469                 attrProvider->UpdateAttrCols( pos, -((int)numCols) );
4470 // ifdef'd out following patch from Paul Gammans
4471 #if 0
4472                 // No need to touch row attributes, unless we
4473                 // removed _all_ columns, in this case, we remove
4474                 // all row attributes.
4475                 // I hate to do this here, but the
4476                 // needed data is not available inside UpdateAttrCols.
4477                 if ( !GetNumberCols() )
4478                     attrProvider->UpdateAttrRows( 0, -GetNumberRows() );
4479 #endif
4480             }
4481             if ( !GetBatchCount() )
4482             {
4483                 CalcDimensions();
4484                 m_colLabelWin->Refresh();
4485             }
4486         }
4487         result = TRUE;
4488         break;
4489     }
4490
4491     if (result && !GetBatchCount() )
4492         m_gridWin->Refresh();
4493     return result;
4494 }
4495
4496
4497 wxArrayInt wxGrid::CalcRowLabelsExposed( const wxRegion& reg )
4498 {
4499     wxRegionIterator iter( reg );
4500     wxRect r;
4501
4502     wxArrayInt  rowlabels;
4503
4504     int top, bottom;
4505     while ( iter )
4506     {
4507         r = iter.GetRect();
4508
4509         // TODO: remove this when we can...
4510         // There is a bug in wxMotif that gives garbage update
4511         // rectangles if you jump-scroll a long way by clicking the
4512         // scrollbar with middle button.  This is a work-around
4513         //
4514 #if defined(__WXMOTIF__)
4515         int cw, ch;
4516         m_gridWin->GetClientSize( &cw, &ch );
4517         if ( r.GetTop() > ch ) r.SetTop( 0 );
4518         r.SetBottom( wxMin( r.GetBottom(), ch ) );
4519 #endif
4520
4521         // logical bounds of update region
4522         //
4523         int dummy;
4524         CalcUnscrolledPosition( 0, r.GetTop(), &dummy, &top );
4525         CalcUnscrolledPosition( 0, r.GetBottom(), &dummy, &bottom );
4526
4527         // find the row labels within these bounds
4528         //
4529         int row;
4530         for ( row = internalYToRow(top);  row < m_numRows;  row++ )
4531         {
4532             if ( GetRowBottom(row) < top )
4533                 continue;
4534
4535             if ( GetRowTop(row) > bottom )
4536                 break;
4537
4538             rowlabels.Add( row );
4539         }
4540
4541         iter++ ;
4542     }
4543
4544     return rowlabels;
4545 }
4546
4547
4548 wxArrayInt wxGrid::CalcColLabelsExposed( const wxRegion& reg )
4549 {
4550     wxRegionIterator iter( reg );
4551     wxRect r;
4552
4553     wxArrayInt colLabels;
4554
4555     int left, right;
4556     while ( iter )
4557     {
4558         r = iter.GetRect();
4559
4560         // TODO: remove this when we can...
4561         // There is a bug in wxMotif that gives garbage update
4562         // rectangles if you jump-scroll a long way by clicking the
4563         // scrollbar with middle button.  This is a work-around
4564         //
4565 #if defined(__WXMOTIF__)
4566         int cw, ch;
4567         m_gridWin->GetClientSize( &cw, &ch );
4568         if ( r.GetLeft() > cw ) r.SetLeft( 0 );
4569         r.SetRight( wxMin( r.GetRight(), cw ) );
4570 #endif
4571
4572         // logical bounds of update region
4573         //
4574         int dummy;
4575         CalcUnscrolledPosition( r.GetLeft(), 0, &left, &dummy );
4576         CalcUnscrolledPosition( r.GetRight(), 0, &right, &dummy );
4577
4578         // find the cells within these bounds
4579         //
4580         int col;
4581         for ( col = internalXToCol(left);  col < m_numCols;  col++ )
4582         {
4583             if ( GetColRight(col) < left )
4584                 continue;
4585
4586             if ( GetColLeft(col) > right )
4587                 break;
4588
4589             colLabels.Add( col );
4590         }
4591
4592         iter++ ;
4593     }
4594     return colLabels;
4595 }
4596
4597
4598 wxGridCellCoordsArray wxGrid::CalcCellsExposed( const wxRegion& reg )
4599 {
4600     wxRegionIterator iter( reg );
4601     wxRect r;
4602
4603     wxGridCellCoordsArray  cellsExposed;
4604
4605     int left, top, right, bottom;
4606     while ( iter )
4607     {
4608         r = iter.GetRect();
4609
4610         // TODO: remove this when we can...
4611         // There is a bug in wxMotif that gives garbage update
4612         // rectangles if you jump-scroll a long way by clicking the
4613         // scrollbar with middle button.  This is a work-around
4614         //
4615 #if defined(__WXMOTIF__)
4616         int cw, ch;
4617         m_gridWin->GetClientSize( &cw, &ch );
4618         if ( r.GetTop() > ch ) r.SetTop( 0 );
4619         if ( r.GetLeft() > cw ) r.SetLeft( 0 );
4620         r.SetRight( wxMin( r.GetRight(), cw ) );
4621         r.SetBottom( wxMin( r.GetBottom(), ch ) );
4622 #endif
4623
4624         // logical bounds of update region
4625         //
4626         CalcUnscrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
4627         CalcUnscrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
4628
4629         // find the cells within these bounds
4630         //
4631         int row, col;
4632         for ( row = internalYToRow(top);  row < m_numRows;  row++ )
4633         {
4634             if ( GetRowBottom(row) <= top )
4635                 continue;
4636
4637             if ( GetRowTop(row) > bottom )
4638                 break;
4639
4640             for ( col = internalXToCol(left);  col < m_numCols;  col++ )
4641             {
4642                 if ( GetColRight(col) <= left )
4643                     continue;
4644
4645                 if ( GetColLeft(col) > right )
4646                     break;
4647
4648                 cellsExposed.Add( wxGridCellCoords( row, col ) );
4649             }
4650         }
4651
4652         iter++;
4653     }
4654
4655     return cellsExposed;
4656 }
4657
4658
4659 void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
4660 {
4661     int x, y, row;
4662     wxPoint pos( event.GetPosition() );
4663     CalcUnscrolledPosition( pos.x, pos.y, &x, &y );
4664
4665     if ( event.Dragging() )
4666     {
4667         if (!m_isDragging)
4668         {
4669             m_isDragging = TRUE;
4670             m_rowLabelWin->CaptureMouse();
4671         }
4672
4673         if ( event.LeftIsDown() )
4674         {
4675             switch( m_cursorMode )
4676             {
4677                 case WXGRID_CURSOR_RESIZE_ROW:
4678                 {
4679                     int cw, ch, left, dummy;
4680                     m_gridWin->GetClientSize( &cw, &ch );
4681                     CalcUnscrolledPosition( 0, 0, &left, &dummy );
4682
4683                     wxClientDC dc( m_gridWin );
4684                     PrepareDC( dc );
4685                     y = wxMax( y,
4686                                GetRowTop(m_dragRowOrCol) +
4687                                GetRowMinimalHeight(m_dragRowOrCol) );
4688                     dc.SetLogicalFunction(wxINVERT);
4689                     if ( m_dragLastPos >= 0 )
4690                     {
4691                         dc.DrawLine( left, m_dragLastPos, left+cw, m_dragLastPos );
4692                     }
4693                     dc.DrawLine( left, y, left+cw, y );
4694                     m_dragLastPos = y;
4695                 }
4696                 break;
4697
4698                 case WXGRID_CURSOR_SELECT_ROW:
4699                     if ( (row = YToRow( y )) >= 0 )
4700                     {
4701                         if ( m_selection )
4702                         {
4703                             m_selection->SelectRow( row,
4704                                                     event.ControlDown(),
4705                                                     event.ShiftDown(),
4706                                                     event.AltDown(),
4707                                                     event.MetaDown() );
4708                         }
4709                     }
4710
4711                 // default label to suppress warnings about "enumeration value
4712                 // 'xxx' not handled in switch
4713                 default:
4714                     break;
4715             }
4716         }
4717         return;
4718     }
4719
4720     if ( m_isDragging && (event.Entering() || event.Leaving()) )
4721         return;
4722
4723     if (m_isDragging)
4724     {
4725         if (m_rowLabelWin->HasCapture()) m_rowLabelWin->ReleaseMouse();
4726         m_isDragging = FALSE;
4727     }
4728
4729     // ------------ Entering or leaving the window
4730     //
4731     if ( event.Entering() || event.Leaving() )
4732     {
4733         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin);
4734     }
4735
4736
4737     // ------------ Left button pressed
4738     //
4739     else if ( event.LeftDown() )
4740     {
4741         // don't send a label click event for a hit on the
4742         // edge of the row label - this is probably the user
4743         // wanting to resize the row
4744         //
4745         if ( YToEdgeOfRow(y) < 0 )
4746         {
4747             row = YToRow(y);
4748             if ( row >= 0  &&
4749                  !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, row, -1, event ) )
4750             {
4751                 if ( !event.ShiftDown() && !event.ControlDown() )
4752                     ClearSelection();
4753                 if ( m_selection )
4754                 {
4755                     if ( event.ShiftDown() )
4756                     {
4757                         m_selection->SelectBlock( m_currentCellCoords.GetRow(),
4758                                                   0,
4759                                                   row,
4760                                                   GetNumberCols() - 1,
4761                                                   event.ControlDown(),
4762                                                   event.ShiftDown(),
4763                                                   event.AltDown(),
4764                                                   event.MetaDown() );
4765                     }
4766                     else
4767                     {
4768                         m_selection->SelectRow( row,
4769                                                 event.ControlDown(),
4770                                                 event.ShiftDown(),
4771                                                 event.AltDown(),
4772                                                 event.MetaDown() );
4773                     }
4774                 }
4775
4776                 ChangeCursorMode(WXGRID_CURSOR_SELECT_ROW, m_rowLabelWin);
4777             }
4778         }
4779         else
4780         {
4781             // starting to drag-resize a row
4782             //
4783             if ( CanDragRowSize() )
4784                 ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, m_rowLabelWin);
4785         }
4786     }
4787
4788
4789     // ------------ Left double click
4790     //
4791     else if (event.LeftDClick() )
4792     {
4793         int row = YToEdgeOfRow(y);
4794         if ( row < 0 )
4795         {
4796             row = YToRow(y);
4797             if ( row >=0 &&
4798                  !SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, row, -1, event ) )
4799             {
4800                 // no default action at the moment
4801             }
4802         }
4803         else
4804         {
4805             // adjust row height depending on label text
4806             AutoSizeRowLabelSize( row );
4807
4808             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin);
4809             m_dragLastPos  = -1;
4810         }
4811     }
4812
4813
4814     // ------------ Left button released
4815     //
4816     else if ( event.LeftUp() )
4817     {
4818         if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
4819         {
4820             DoEndDragResizeRow();
4821
4822             // Note: we are ending the event *after* doing
4823             // default processing in this case
4824             //
4825             SendEvent( wxEVT_GRID_ROW_SIZE, m_dragRowOrCol, -1, event );
4826         }
4827
4828         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin);
4829         m_dragLastPos = -1;
4830     }
4831
4832
4833     // ------------ Right button down
4834     //
4835     else if ( event.RightDown() )
4836     {
4837         row = YToRow(y);
4838         if ( row >=0 &&
4839             !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, row, -1, event ) )
4840         {
4841             // no default action at the moment
4842         }
4843     }
4844
4845
4846     // ------------ Right double click
4847     //
4848     else if ( event.RightDClick() )
4849     {
4850         row = YToRow(y);
4851         if ( row >= 0 &&
4852              !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, row, -1, event ) )
4853         {
4854             // no default action at the moment
4855         }
4856     }
4857
4858
4859     // ------------ No buttons down and mouse moving
4860     //
4861     else if ( event.Moving() )
4862     {
4863         m_dragRowOrCol = YToEdgeOfRow( y );
4864         if ( m_dragRowOrCol >= 0 )
4865         {
4866             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
4867             {
4868                 // don't capture the mouse yet
4869                 if ( CanDragRowSize() )
4870                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, m_rowLabelWin, FALSE);
4871             }
4872         }
4873         else if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
4874         {
4875             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin, FALSE);
4876         }
4877     }
4878 }
4879
4880
4881 void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
4882 {
4883     int x, y, col;
4884     wxPoint pos( event.GetPosition() );
4885     CalcUnscrolledPosition( pos.x, pos.y, &x, &y );
4886
4887     if ( event.Dragging() )
4888     {
4889         if (!m_isDragging)
4890         {
4891             m_isDragging = TRUE;
4892             m_colLabelWin->CaptureMouse();
4893         }
4894
4895         if ( event.LeftIsDown() )
4896         {
4897             switch( m_cursorMode )
4898             {
4899                 case WXGRID_CURSOR_RESIZE_COL:
4900                 {
4901                     int cw, ch, dummy, top;
4902                     m_gridWin->GetClientSize( &cw, &ch );
4903                     CalcUnscrolledPosition( 0, 0, &dummy, &top );
4904
4905                     wxClientDC dc( m_gridWin );
4906                     PrepareDC( dc );
4907
4908                     x = wxMax( x, GetColLeft(m_dragRowOrCol) +
4909                                   GetColMinimalWidth(m_dragRowOrCol));
4910                     dc.SetLogicalFunction(wxINVERT);
4911                     if ( m_dragLastPos >= 0 )
4912                     {
4913                         dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top+ch );
4914                     }
4915                     dc.DrawLine( x, top, x, top+ch );
4916                     m_dragLastPos = x;
4917                 }
4918                 break;
4919
4920                 case WXGRID_CURSOR_SELECT_COL:
4921                     if ( (col = XToCol( x )) >= 0 )
4922                     {
4923                         if ( m_selection )
4924                         {
4925                             m_selection->SelectCol( col,
4926                                                     event.ControlDown(),
4927                                                     event.ShiftDown(),
4928                                                     event.AltDown(),
4929                                                     event.MetaDown() );
4930                         }
4931                     }
4932
4933                 // default label to suppress warnings about "enumeration value
4934                 // 'xxx' not handled in switch
4935                 default:
4936                     break;
4937             }
4938         }
4939         return;
4940     }
4941
4942     if ( m_isDragging && (event.Entering() || event.Leaving()) )
4943         return;
4944
4945     if (m_isDragging)
4946     {
4947         if (m_colLabelWin->HasCapture()) m_colLabelWin->ReleaseMouse();
4948         m_isDragging = FALSE;
4949     }
4950
4951     // ------------ Entering or leaving the window
4952     //
4953     if ( event.Entering() || event.Leaving() )
4954     {
4955         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin);
4956     }
4957
4958
4959     // ------------ Left button pressed
4960     //
4961     else if ( event.LeftDown() )
4962     {
4963         // don't send a label click event for a hit on the
4964         // edge of the col label - this is probably the user
4965         // wanting to resize the col
4966         //
4967         if ( XToEdgeOfCol(x) < 0 )
4968         {
4969             col = XToCol(x);
4970             if ( col >= 0  &&
4971                  !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, -1, col, event ) )
4972             {
4973                 if ( !event.ShiftDown() && !event.ControlDown() )
4974                     ClearSelection();
4975                 if ( m_selection )
4976                 {
4977                     if ( event.ShiftDown() )
4978                     {
4979                         m_selection->SelectBlock( 0,
4980                                                   m_currentCellCoords.GetCol(),
4981                                                   GetNumberRows() - 1, col,
4982                                                   event.ControlDown(),
4983                                                   event.ShiftDown(),
4984                                                   event.AltDown(),
4985                                                   event.MetaDown() );
4986                     }
4987                     else
4988                     {
4989                         m_selection->SelectCol( col,
4990                                                 event.ControlDown(),
4991                                                 event.ShiftDown(),
4992                                                 event.AltDown(),
4993                                                 event.MetaDown() );
4994                     }
4995                 }
4996
4997                 ChangeCursorMode(WXGRID_CURSOR_SELECT_COL, m_colLabelWin);
4998             }
4999         }
5000         else
5001         {
5002             // starting to drag-resize a col
5003             //
5004             if ( CanDragColSize() )
5005                 ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, m_colLabelWin);
5006         }
5007     }
5008
5009
5010     // ------------ Left double click
5011     //
5012     if ( event.LeftDClick() )
5013     {
5014         int col = XToEdgeOfCol(x);
5015         if ( col < 0 )
5016         {
5017             col = XToCol(x);
5018             if ( col >= 0 &&
5019                  ! SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, -1, col, event ) )
5020             {
5021                 // no default action at the moment
5022             }
5023         }
5024         else
5025         {
5026             // adjust column width depending on label text
5027             AutoSizeColLabelSize( col );
5028
5029             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin);
5030             m_dragLastPos  = -1;
5031         }
5032     }
5033
5034
5035     // ------------ Left button released
5036     //
5037     else if ( event.LeftUp() )
5038     {
5039         if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL )
5040         {
5041             DoEndDragResizeCol();
5042
5043             // Note: we are ending the event *after* doing
5044             // default processing in this case
5045             //
5046             SendEvent( wxEVT_GRID_COL_SIZE, -1, m_dragRowOrCol, event );
5047         }
5048
5049         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin);
5050         m_dragLastPos  = -1;
5051     }
5052
5053
5054     // ------------ Right button down
5055     //
5056     else if ( event.RightDown() )
5057     {
5058         col = XToCol(x);
5059         if ( col >= 0 &&
5060              !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, -1, col, event ) )
5061         {
5062             // no default action at the moment
5063         }
5064     }
5065
5066
5067     // ------------ Right double click
5068     //
5069     else if ( event.RightDClick() )
5070     {
5071         col = XToCol(x);
5072         if ( col >= 0 &&
5073              !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, -1, col, event ) )
5074         {
5075             // no default action at the moment
5076         }
5077     }
5078
5079
5080     // ------------ No buttons down and mouse moving
5081     //
5082     else if ( event.Moving() )
5083     {
5084         m_dragRowOrCol = XToEdgeOfCol( x );
5085         if ( m_dragRowOrCol >= 0 )
5086         {
5087             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5088             {
5089                 // don't capture the cursor yet
5090                 if ( CanDragColSize() )
5091                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, m_colLabelWin, FALSE);
5092             }
5093         }
5094         else if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
5095         {
5096             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin, FALSE);
5097         }
5098     }
5099 }
5100
5101
5102 void wxGrid::ProcessCornerLabelMouseEvent( wxMouseEvent& event )
5103 {
5104     if ( event.LeftDown() )
5105     {
5106         // indicate corner label by having both row and
5107         // col args == -1
5108         //
5109         if ( !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, -1, -1, event ) )
5110         {
5111             SelectAll();
5112         }
5113     }
5114
5115     else if ( event.LeftDClick() )
5116     {
5117         SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, -1, -1, event );
5118     }
5119
5120     else if ( event.RightDown() )
5121     {
5122         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, -1, -1, event ) )
5123         {
5124             // no default action at the moment
5125         }
5126     }
5127
5128     else if ( event.RightDClick() )
5129     {
5130         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, -1, -1, event ) )
5131         {
5132             // no default action at the moment
5133         }
5134     }
5135 }
5136
5137 void wxGrid::ChangeCursorMode(CursorMode mode,
5138                               wxWindow *win,
5139                               bool captureMouse)
5140 {
5141 #ifdef __WXDEBUG__
5142     static const wxChar *cursorModes[] =
5143     {
5144         _T("SELECT_CELL"),
5145         _T("RESIZE_ROW"),
5146         _T("RESIZE_COL"),
5147         _T("SELECT_ROW"),
5148         _T("SELECT_COL")
5149     };
5150
5151     wxLogTrace(_T("grid"),
5152                _T("wxGrid cursor mode (mouse capture for %s): %s -> %s"),
5153                win == m_colLabelWin ? _T("colLabelWin")
5154                                     : win ? _T("rowLabelWin")
5155                                           : _T("gridWin"),
5156                cursorModes[m_cursorMode], cursorModes[mode]);
5157 #endif // __WXDEBUG__
5158
5159     if ( mode == m_cursorMode &&
5160          win == m_winCapture &&
5161          captureMouse == (m_winCapture != NULL))
5162         return;
5163
5164     if ( !win )
5165     {
5166         // by default use the grid itself
5167         win = m_gridWin;
5168     }
5169
5170     if ( m_winCapture )
5171     {
5172         if (m_winCapture->HasCapture()) m_winCapture->ReleaseMouse();
5173         m_winCapture = (wxWindow *)NULL;
5174     }
5175
5176     m_cursorMode = mode;
5177
5178     switch ( m_cursorMode )
5179     {
5180         case WXGRID_CURSOR_RESIZE_ROW:
5181             win->SetCursor( m_rowResizeCursor );
5182             break;
5183
5184         case WXGRID_CURSOR_RESIZE_COL:
5185             win->SetCursor( m_colResizeCursor );
5186             break;
5187
5188         default:
5189             win->SetCursor( *wxSTANDARD_CURSOR );
5190     }
5191
5192     // we need to capture mouse when resizing
5193     bool resize = m_cursorMode == WXGRID_CURSOR_RESIZE_ROW ||
5194                   m_cursorMode == WXGRID_CURSOR_RESIZE_COL;
5195
5196     if ( captureMouse && resize )
5197     {
5198         win->CaptureMouse();
5199         m_winCapture = win;
5200     }
5201 }
5202
5203 void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
5204 {
5205     int x, y;
5206     wxPoint pos( event.GetPosition() );
5207     CalcUnscrolledPosition( pos.x, pos.y, &x, &y );
5208
5209     wxGridCellCoords coords;
5210     XYToCell( x, y, coords );
5211
5212     int cell_rows, cell_cols;
5213     GetCellSize( coords.GetRow(), coords.GetCol(), &cell_rows, &cell_cols );
5214     if ((cell_rows < 0) || (cell_cols < 0))
5215     {
5216         coords.SetRow(coords.GetRow() + cell_rows);
5217         coords.SetCol(coords.GetCol() + cell_cols);
5218     }
5219
5220     if ( event.Dragging() )
5221     {
5222         //wxLogDebug("pos(%d, %d) coords(%d, %d)", pos.x, pos.y, coords.GetRow(), coords.GetCol());
5223
5224         // Don't start doing anything until the mouse has been drug at
5225         // least 3 pixels in any direction...
5226         if (! m_isDragging)
5227         {
5228             if (m_startDragPos == wxDefaultPosition)
5229             {
5230                 m_startDragPos = pos;
5231                 return;
5232             }
5233             if (abs(m_startDragPos.x - pos.x) < 4 && abs(m_startDragPos.y - pos.y) < 4)
5234                 return;
5235         }
5236
5237         m_isDragging = TRUE;
5238         if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5239         {
5240             // Hide the edit control, so it
5241             // won't interfer with drag-shrinking.
5242             if ( IsCellEditControlShown() )
5243             {
5244                 HideCellEditControl();
5245                 SaveEditControlValue();
5246             }
5247
5248             // Have we captured the mouse yet?
5249             if (! m_winCapture)
5250             {
5251                 m_winCapture = m_gridWin;
5252                 m_winCapture->CaptureMouse();
5253             }
5254
5255             if ( coords != wxGridNoCellCoords )
5256             {
5257                 if ( event.ControlDown() )
5258                 {
5259                     if ( m_selectingKeyboard == wxGridNoCellCoords)
5260                         m_selectingKeyboard = coords;
5261                     HighlightBlock ( m_selectingKeyboard, coords );
5262                 }
5263                 else
5264                 {
5265                     if ( !IsSelection() )
5266                     {
5267                         HighlightBlock( coords, coords );
5268                     }
5269                     else
5270                     {
5271                         HighlightBlock( m_currentCellCoords, coords );
5272                     }
5273                 }
5274
5275                 if (! IsVisible(coords))
5276                 {
5277                     MakeCellVisible(coords);
5278                     // TODO: need to introduce a delay or something here.  The
5279                     // scrolling is way to fast, at least on MSW - also on GTK.
5280                 }
5281             }
5282         }
5283         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
5284         {
5285             int cw, ch, left, dummy;
5286             m_gridWin->GetClientSize( &cw, &ch );
5287             CalcUnscrolledPosition( 0, 0, &left, &dummy );
5288
5289             wxClientDC dc( m_gridWin );
5290             PrepareDC( dc );
5291             y = wxMax( y, GetRowTop(m_dragRowOrCol) +
5292                           GetRowMinimalHeight(m_dragRowOrCol) );
5293             dc.SetLogicalFunction(wxINVERT);
5294             if ( m_dragLastPos >= 0 )
5295             {
5296                 dc.DrawLine( left, m_dragLastPos, left+cw, m_dragLastPos );
5297             }
5298             dc.DrawLine( left, y, left+cw, y );
5299             m_dragLastPos = y;
5300         }
5301         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL )
5302         {
5303             int cw, ch, dummy, top;
5304             m_gridWin->GetClientSize( &cw, &ch );
5305             CalcUnscrolledPosition( 0, 0, &dummy, &top );
5306
5307             wxClientDC dc( m_gridWin );
5308             PrepareDC( dc );
5309             x = wxMax( x, GetColLeft(m_dragRowOrCol) +
5310                           GetColMinimalWidth(m_dragRowOrCol) );
5311             dc.SetLogicalFunction(wxINVERT);
5312             if ( m_dragLastPos >= 0 )
5313             {
5314                 dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top+ch );
5315             }
5316             dc.DrawLine( x, top, x, top+ch );
5317             m_dragLastPos = x;
5318         }
5319
5320         return;
5321     }
5322
5323     m_isDragging = FALSE;
5324     m_startDragPos = wxDefaultPosition;
5325
5326     // VZ: if we do this, the mode is reset to WXGRID_CURSOR_SELECT_CELL
5327     //     immediately after it becomes WXGRID_CURSOR_RESIZE_ROW/COL under
5328     //     wxGTK
5329 #if 0
5330     if ( event.Entering() || event.Leaving() )
5331     {
5332         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5333         m_gridWin->SetCursor( *wxSTANDARD_CURSOR );
5334     }
5335     else
5336 #endif // 0
5337
5338     // ------------ Left button pressed
5339     //
5340     if ( event.LeftDown() && coords != wxGridNoCellCoords )
5341     {
5342         if ( !SendEvent( wxEVT_GRID_CELL_LEFT_CLICK,
5343                        coords.GetRow(),
5344                        coords.GetCol(),
5345                        event ) )
5346         {
5347             if ( !event.ControlDown() )
5348                 ClearSelection();
5349             if ( event.ShiftDown() )
5350             {
5351                 if ( m_selection )
5352                 {
5353                     m_selection->SelectBlock( m_currentCellCoords.GetRow(),
5354                                               m_currentCellCoords.GetCol(),
5355                                               coords.GetRow(),
5356                                               coords.GetCol(),
5357                                               event.ControlDown(),
5358                                               event.ShiftDown(),
5359                                               event.AltDown(),
5360                                               event.MetaDown() );
5361                 }
5362             }
5363             else if ( XToEdgeOfCol(x) < 0  &&
5364                       YToEdgeOfRow(y) < 0 )
5365             {
5366                 DisableCellEditControl();
5367                 MakeCellVisible( coords );
5368
5369                 if ( event.ControlDown() )
5370                 {
5371                     if ( m_selection )
5372                     {
5373                         m_selection->ToggleCellSelection( coords.GetRow(),
5374                                                           coords.GetCol(),
5375                                                           event.ControlDown(),
5376                                                           event.ShiftDown(),
5377                                                           event.AltDown(),
5378                                                           event.MetaDown() );
5379                     }
5380                     m_selectingTopLeft = wxGridNoCellCoords;
5381                     m_selectingBottomRight = wxGridNoCellCoords;
5382                     m_selectingKeyboard = coords;
5383                 }
5384                 else
5385                 {
5386                     m_waitForSlowClick = m_currentCellCoords == coords && coords != wxGridNoCellCoords;
5387                     SetCurrentCell( coords );
5388                     if ( m_selection )
5389                     {
5390                         if ( m_selection->GetSelectionMode() !=
5391                                 wxGrid::wxGridSelectCells )
5392                         {
5393                             HighlightBlock( coords, coords );
5394                         }
5395                     }
5396                 }
5397             }
5398         }
5399     }
5400
5401
5402     // ------------ Left double click
5403     //
5404     else if ( event.LeftDClick() && coords != wxGridNoCellCoords )
5405     {
5406         DisableCellEditControl();
5407
5408         if ( XToEdgeOfCol(x) < 0  &&  YToEdgeOfRow(y) < 0 )
5409         {
5410             SendEvent( wxEVT_GRID_CELL_LEFT_DCLICK,
5411                        coords.GetRow(),
5412                        coords.GetCol(),
5413                        event );
5414         }
5415     }
5416
5417
5418     // ------------ Left button released
5419     //
5420     else if ( event.LeftUp() )
5421     {
5422         if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5423         {
5424             if (m_winCapture)
5425             {
5426                 if (m_winCapture->HasCapture()) m_winCapture->ReleaseMouse();
5427                 m_winCapture = NULL;
5428             }
5429
5430             if ( m_selectingTopLeft != wxGridNoCellCoords &&
5431                  m_selectingBottomRight != wxGridNoCellCoords )
5432             {
5433                 if ( m_selection )
5434                 {
5435                     m_selection->SelectBlock( m_selectingTopLeft.GetRow(),
5436                                               m_selectingTopLeft.GetCol(),
5437                                               m_selectingBottomRight.GetRow(),
5438                                               m_selectingBottomRight.GetCol(),
5439                                               event.ControlDown(),
5440                                               event.ShiftDown(),
5441                                               event.AltDown(),
5442                                               event.MetaDown() );
5443                 }
5444
5445                 m_selectingTopLeft = wxGridNoCellCoords;
5446                 m_selectingBottomRight = wxGridNoCellCoords;
5447
5448                 // Show the edit control, if it has been hidden for
5449                 // drag-shrinking.
5450                 ShowCellEditControl();
5451             }
5452             else
5453             {
5454               if( m_waitForSlowClick && CanEnableCellControl())
5455               {
5456                 EnableCellEditControl();
5457
5458                 wxGridCellAttr* attr = GetCellAttr(coords);
5459                 wxGridCellEditor *editor = attr->GetEditor(this, coords.GetRow(), coords.GetCol());
5460                 editor->StartingClick();
5461                 editor->DecRef();
5462                 attr->DecRef();
5463
5464                 m_waitForSlowClick = FALSE;
5465               }
5466             }
5467         }
5468         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
5469         {
5470             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5471             DoEndDragResizeRow();
5472
5473             // Note: we are ending the event *after* doing
5474             // default processing in this case
5475             //
5476             SendEvent( wxEVT_GRID_ROW_SIZE, m_dragRowOrCol, -1, event );
5477         }
5478         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL )
5479         {
5480             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5481             DoEndDragResizeCol();
5482
5483             // Note: we are ending the event *after* doing
5484             // default processing in this case
5485             //
5486             SendEvent( wxEVT_GRID_COL_SIZE, -1, m_dragRowOrCol, event );
5487         }
5488
5489         m_dragLastPos = -1;
5490     }
5491
5492
5493     // ------------ Right button down
5494     //
5495     else if ( event.RightDown() && coords != wxGridNoCellCoords )
5496     {
5497         DisableCellEditControl();
5498         if ( !SendEvent( wxEVT_GRID_CELL_RIGHT_CLICK,
5499                          coords.GetRow(),
5500                          coords.GetCol(),
5501                          event ) )
5502         {
5503             // no default action at the moment
5504         }
5505     }
5506
5507
5508     // ------------ Right double click
5509     //
5510     else if ( event.RightDClick() && coords != wxGridNoCellCoords )
5511     {
5512         DisableCellEditControl();
5513         if ( !SendEvent( wxEVT_GRID_CELL_RIGHT_DCLICK,
5514                          coords.GetRow(),
5515                          coords.GetCol(),
5516                          event ) )
5517         {
5518             // no default action at the moment
5519         }
5520     }
5521
5522     // ------------ Moving and no button action
5523     //
5524     else if ( event.Moving() && !event.IsButton() )
5525     {
5526         if( coords.GetRow() < 0 || coords.GetCol() < 0 )
5527         {
5528             // out of grid cell area
5529             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5530             return;
5531         }
5532
5533         int dragRow = YToEdgeOfRow( y );
5534         int dragCol = XToEdgeOfCol( x );
5535
5536         // Dragging on the corner of a cell to resize in both
5537         // directions is not implemented yet...
5538         //
5539         if ( dragRow >= 0  &&  dragCol >= 0 )
5540         {
5541             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5542             return;
5543         }
5544
5545         if ( dragRow >= 0 )
5546         {
5547             m_dragRowOrCol = dragRow;
5548
5549             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5550             {
5551                 if ( CanDragRowSize() && CanDragGridSize() )
5552                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW);
5553             }
5554
5555             if ( dragCol >= 0 )
5556             {
5557                 m_dragRowOrCol = dragCol;
5558             }
5559
5560             return;
5561         }
5562
5563         if ( dragCol >= 0 )
5564         {
5565             m_dragRowOrCol = dragCol;
5566
5567             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5568             {
5569                 if ( CanDragColSize() && CanDragGridSize() )
5570                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL);
5571             }
5572
5573             return;
5574         }
5575
5576         // Neither on a row or col edge
5577         //
5578         if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
5579         {
5580             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5581         }
5582     }
5583 }
5584
5585
5586 void wxGrid::DoEndDragResizeRow()
5587 {
5588     if ( m_dragLastPos >= 0 )
5589     {
5590         // erase the last line and resize the row
5591         //
5592         int cw, ch, left, dummy;
5593         m_gridWin->GetClientSize( &cw, &ch );
5594         CalcUnscrolledPosition( 0, 0, &left, &dummy );
5595
5596         wxClientDC dc( m_gridWin );
5597         PrepareDC( dc );
5598         dc.SetLogicalFunction( wxINVERT );
5599         dc.DrawLine( left, m_dragLastPos, left+cw, m_dragLastPos );
5600         HideCellEditControl();
5601         SaveEditControlValue();
5602
5603         int rowTop = GetRowTop(m_dragRowOrCol);
5604         SetRowSize( m_dragRowOrCol,
5605                     wxMax( m_dragLastPos - rowTop, WXGRID_MIN_ROW_HEIGHT ) );
5606
5607         if ( !GetBatchCount() )
5608         {
5609             // Only needed to get the correct rect.y:
5610             wxRect rect ( CellToRect( m_dragRowOrCol, 0 ) );
5611             rect.x = 0;
5612             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
5613             rect.width = m_rowLabelWidth;
5614             rect.height = ch - rect.y;
5615             m_rowLabelWin->Refresh( TRUE, &rect );
5616             rect.width = cw;
5617             // if there is a multicell block, paint all of it
5618             if (m_table)
5619             {
5620                 int i, cell_rows, cell_cols, subtract_rows = 0;
5621                 int leftCol = XToCol(left);
5622                 int rightCol = internalXToCol(left+cw);
5623                 if (leftCol >= 0)
5624                 {
5625                     for (i=leftCol; i<rightCol; i++)
5626                     {
5627                         GetCellSize(m_dragRowOrCol, i, &cell_rows, &cell_cols);
5628                         if (cell_rows < subtract_rows)
5629                             subtract_rows = cell_rows;
5630                     }
5631                     rect.y = GetRowTop(m_dragRowOrCol + subtract_rows);
5632                     CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
5633                     rect.height = ch - rect.y;
5634                 }
5635             }
5636             m_gridWin->Refresh( FALSE, &rect );
5637         }
5638
5639         ShowCellEditControl();
5640     }
5641 }
5642
5643
5644 void wxGrid::DoEndDragResizeCol()
5645 {
5646     if ( m_dragLastPos >= 0 )
5647     {
5648         // erase the last line and resize the col
5649         //
5650         int cw, ch, dummy, top;
5651         m_gridWin->GetClientSize( &cw, &ch );
5652         CalcUnscrolledPosition( 0, 0, &dummy, &top );
5653
5654         wxClientDC dc( m_gridWin );
5655         PrepareDC( dc );
5656         dc.SetLogicalFunction( wxINVERT );
5657         dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top+ch );
5658         HideCellEditControl();
5659         SaveEditControlValue();
5660
5661         int colLeft = GetColLeft(m_dragRowOrCol);
5662         SetColSize( m_dragRowOrCol,
5663                     wxMax( m_dragLastPos - colLeft,
5664                            GetColMinimalWidth(m_dragRowOrCol) ) );
5665
5666         if ( !GetBatchCount() )
5667         {
5668             // Only needed to get the correct rect.x:
5669             wxRect rect ( CellToRect( 0, m_dragRowOrCol ) );
5670             rect.y = 0;
5671             CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
5672             rect.width = cw - rect.x;
5673             rect.height = m_colLabelHeight;
5674             m_colLabelWin->Refresh( TRUE, &rect );
5675             rect.height = ch;
5676             // if there is a multicell block, paint all of it
5677             if (m_table)
5678             {
5679                 int i, cell_rows, cell_cols, subtract_cols = 0;
5680                 int topRow = YToRow(top);
5681                 int bottomRow = internalYToRow(top+cw);
5682                 if (topRow >= 0)
5683                 {
5684                     for (i=topRow; i<bottomRow; i++)
5685                     {
5686                         GetCellSize(i, m_dragRowOrCol, &cell_rows, &cell_cols);
5687                         if (cell_cols < subtract_cols)
5688                             subtract_cols = cell_cols;
5689                     }
5690                     rect.x = GetColLeft(m_dragRowOrCol + subtract_cols);
5691                     CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
5692                     rect.width = cw - rect.x;
5693                 }
5694             }
5695             m_gridWin->Refresh( FALSE, &rect );
5696         }
5697
5698         ShowCellEditControl();
5699     }
5700 }
5701
5702
5703
5704 //
5705 // ------ interaction with data model
5706 //
5707 bool wxGrid::ProcessTableMessage( wxGridTableMessage& msg )
5708 {
5709     switch ( msg.GetId() )
5710     {
5711         case wxGRIDTABLE_REQUEST_VIEW_GET_VALUES:
5712             return GetModelValues();
5713
5714         case wxGRIDTABLE_REQUEST_VIEW_SEND_VALUES:
5715             return SetModelValues();
5716
5717         case wxGRIDTABLE_NOTIFY_ROWS_INSERTED:
5718         case wxGRIDTABLE_NOTIFY_ROWS_APPENDED:
5719         case wxGRIDTABLE_NOTIFY_ROWS_DELETED:
5720         case wxGRIDTABLE_NOTIFY_COLS_INSERTED:
5721         case wxGRIDTABLE_NOTIFY_COLS_APPENDED:
5722         case wxGRIDTABLE_NOTIFY_COLS_DELETED:
5723             return Redimension( msg );
5724
5725         default:
5726             return FALSE;
5727     }
5728 }
5729
5730
5731
5732 // The behaviour of this function depends on the grid table class
5733 // Clear() function.  For the default wxGridStringTable class the
5734 // behavious is to replace all cell contents with wxEmptyString but
5735 // not to change the number of rows or cols.
5736 //
5737 void wxGrid::ClearGrid()
5738 {
5739     if ( m_table )
5740     {
5741         if (IsCellEditControlEnabled())
5742             DisableCellEditControl();
5743
5744         m_table->Clear();
5745         if ( !GetBatchCount() ) m_gridWin->Refresh();
5746     }
5747 }
5748
5749
5750 bool wxGrid::InsertRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
5751 {
5752     // TODO: something with updateLabels flag
5753
5754     if ( !m_created )
5755     {
5756         wxFAIL_MSG( wxT("Called wxGrid::InsertRows() before calling CreateGrid()") );
5757         return FALSE;
5758     }
5759
5760     if ( m_table )
5761     {
5762         if (IsCellEditControlEnabled())
5763             DisableCellEditControl();
5764
5765         return m_table->InsertRows( pos, numRows );
5766
5767         // the table will have sent the results of the insert row
5768         // operation to this view object as a grid table message
5769     }
5770     return FALSE;
5771 }
5772
5773
5774 bool wxGrid::AppendRows( int numRows, bool WXUNUSED(updateLabels) )
5775 {
5776     // TODO: something with updateLabels flag
5777
5778     if ( !m_created )
5779     {
5780         wxFAIL_MSG( wxT("Called wxGrid::AppendRows() before calling CreateGrid()") );
5781         return FALSE;
5782     }
5783
5784     return ( m_table && m_table->AppendRows( numRows ) );
5785     // the table will have sent the results of the append row
5786     // operation to this view object as a grid table message
5787 }
5788
5789
5790 bool wxGrid::DeleteRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
5791 {
5792     // TODO: something with updateLabels flag
5793
5794     if ( !m_created )
5795     {
5796         wxFAIL_MSG( wxT("Called wxGrid::DeleteRows() before calling CreateGrid()") );
5797         return FALSE;
5798     }
5799
5800     if ( m_table )
5801     {
5802         if (IsCellEditControlEnabled())
5803             DisableCellEditControl();
5804
5805         return (m_table->DeleteRows( pos, numRows ));
5806         // the table will have sent the results of the delete row
5807         // operation to this view object as a grid table message
5808     }
5809     return FALSE;
5810 }
5811
5812
5813 bool wxGrid::InsertCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
5814 {
5815     // TODO: something with updateLabels flag
5816
5817     if ( !m_created )
5818     {
5819         wxFAIL_MSG( wxT("Called wxGrid::InsertCols() before calling CreateGrid()") );
5820         return FALSE;
5821     }
5822
5823     if ( m_table )
5824     {
5825         if (IsCellEditControlEnabled())
5826             DisableCellEditControl();
5827
5828         return m_table->InsertCols( pos, numCols );
5829         // the table will have sent the results of the insert col
5830         // operation to this view object as a grid table message
5831     }
5832     return FALSE;
5833 }
5834
5835
5836 bool wxGrid::AppendCols( int numCols, bool WXUNUSED(updateLabels) )
5837 {
5838     // TODO: something with updateLabels flag
5839
5840     if ( !m_created )
5841     {
5842         wxFAIL_MSG( wxT("Called wxGrid::AppendCols() before calling CreateGrid()") );
5843         return FALSE;
5844     }
5845
5846     return ( m_table && m_table->AppendCols( numCols ) );
5847     // the table will have sent the results of the append col
5848     // operation to this view object as a grid table message
5849 }
5850
5851
5852 bool wxGrid::DeleteCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
5853 {
5854     // TODO: something with updateLabels flag
5855
5856     if ( !m_created )
5857     {
5858         wxFAIL_MSG( wxT("Called wxGrid::DeleteCols() before calling CreateGrid()") );
5859         return FALSE;
5860     }
5861
5862     if ( m_table )
5863     {
5864         if (IsCellEditControlEnabled())
5865             DisableCellEditControl();
5866
5867         return ( m_table->DeleteCols( pos, numCols ) );
5868         // the table will have sent the results of the delete col
5869         // operation to this view object as a grid table message
5870     }
5871     return FALSE;
5872 }
5873
5874
5875
5876 //
5877 // ----- event handlers
5878 //
5879
5880 // Generate a grid event based on a mouse event and
5881 // return the result of ProcessEvent()
5882 //
5883 int wxGrid::SendEvent( const wxEventType type,
5884                         int row, int col,
5885                         wxMouseEvent& mouseEv )
5886 {
5887    bool claimed;
5888    bool vetoed= FALSE;
5889
5890    if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE )
5891    {
5892        int rowOrCol = (row == -1 ? col : row);
5893
5894        wxGridSizeEvent gridEvt( GetId(),
5895                type,
5896                this,
5897                rowOrCol,
5898                mouseEv.GetX() + GetRowLabelSize(),
5899                mouseEv.GetY() + GetColLabelSize(),
5900                mouseEv.ControlDown(),
5901                mouseEv.ShiftDown(),
5902                mouseEv.AltDown(),
5903                mouseEv.MetaDown() );
5904
5905        claimed = GetEventHandler()->ProcessEvent(gridEvt);
5906        vetoed = !gridEvt.IsAllowed();
5907    }
5908    else if ( type == wxEVT_GRID_RANGE_SELECT )
5909    {
5910        // Right now, it should _never_ end up here!
5911        wxGridRangeSelectEvent gridEvt( GetId(),
5912                type,
5913                this,
5914                m_selectingTopLeft,
5915                m_selectingBottomRight,
5916                TRUE,
5917                mouseEv.ControlDown(),
5918                mouseEv.ShiftDown(),
5919                mouseEv.AltDown(),
5920                mouseEv.MetaDown() );
5921
5922        claimed = GetEventHandler()->ProcessEvent(gridEvt);
5923        vetoed = !gridEvt.IsAllowed();
5924    }
5925    else
5926    {
5927        wxGridEvent gridEvt( GetId(),
5928                type,
5929                this,
5930                row, col,
5931                mouseEv.GetX() + GetRowLabelSize(),
5932                mouseEv.GetY() + GetColLabelSize(),
5933                FALSE,
5934                mouseEv.ControlDown(),
5935                mouseEv.ShiftDown(),
5936                mouseEv.AltDown(),
5937                mouseEv.MetaDown() );
5938        claimed = GetEventHandler()->ProcessEvent(gridEvt);
5939        vetoed = !gridEvt.IsAllowed();
5940    }
5941
5942    // A Veto'd event may not be `claimed' so test this first
5943    if (vetoed) return -1;
5944    return claimed ? 1 : 0;
5945 }
5946
5947
5948 // Generate a grid event of specified type and return the result
5949 // of ProcessEvent().
5950 //
5951 int wxGrid::SendEvent( const wxEventType type,
5952                         int row, int col )
5953 {
5954    bool claimed;
5955    bool vetoed= FALSE;
5956
5957     if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE )
5958     {
5959         int rowOrCol = (row == -1 ? col : row);
5960
5961         wxGridSizeEvent gridEvt( GetId(),
5962                                  type,
5963                                  this,
5964                                  rowOrCol );
5965
5966         claimed = GetEventHandler()->ProcessEvent(gridEvt);
5967         vetoed  = !gridEvt.IsAllowed();
5968     }
5969     else
5970     {
5971         wxGridEvent gridEvt( GetId(),
5972                              type,
5973                              this,
5974                              row, col );
5975
5976         claimed = GetEventHandler()->ProcessEvent(gridEvt);
5977         vetoed  = !gridEvt.IsAllowed();
5978      }
5979
5980     // A Veto'd event may not be `claimed' so test this first
5981     if (vetoed) return -1;
5982     return claimed ? 1 : 0;
5983 }
5984
5985
5986 void wxGrid::OnPaint( wxPaintEvent& WXUNUSED(event) )
5987 {
5988     wxPaintDC dc(this);  // needed to prevent zillions of paint events on MSW
5989 }
5990
5991 void wxGrid::Refresh(bool eraseb, const wxRect* rect)
5992 {
5993     // Don't do anything if between Begin/EndBatch...
5994     // EndBatch() will do all this on the last nested one anyway.
5995     if (! GetBatchCount())
5996     {
5997         // Refresh to get correct scrolled position:
5998         wxScrolledWindow::Refresh(eraseb,rect);
5999
6000         if (rect)
6001         {
6002             int rect_x, rect_y, rectWidth, rectHeight;
6003             int width_label, width_cell, height_label, height_cell;
6004             int x, y;
6005
6006             //Copy rectangle can get scroll offsets..
6007             rect_x = rect->GetX();
6008             rect_y = rect->GetY();
6009             rectWidth = rect->GetWidth();
6010             rectHeight = rect->GetHeight();
6011
6012             width_label = m_rowLabelWidth - rect_x;
6013             if (width_label > rectWidth) width_label = rectWidth;
6014
6015             height_label = m_colLabelHeight - rect_y;
6016             if (height_label > rectHeight) height_label = rectHeight;
6017
6018             if (rect_x > m_rowLabelWidth)
6019             {
6020                 x = rect_x - m_rowLabelWidth;
6021                 width_cell = rectWidth;
6022             }
6023             else
6024             {
6025                 x = 0;
6026                 width_cell = rectWidth - (m_rowLabelWidth - rect_x);
6027             }
6028
6029             if (rect_y > m_colLabelHeight)
6030             {
6031                 y = rect_y - m_colLabelHeight;
6032                 height_cell = rectHeight;
6033             }
6034             else
6035             {
6036                 y = 0;
6037                 height_cell = rectHeight - (m_colLabelHeight - rect_y);
6038             }
6039
6040             // Paint corner label part intersecting rect.
6041             if ( width_label > 0 && height_label > 0 )
6042             {
6043                 wxRect anotherrect(rect_x, rect_y, width_label, height_label);
6044                 m_cornerLabelWin->Refresh(eraseb, &anotherrect);
6045             }
6046
6047             // Paint col labels part intersecting rect.
6048             if ( width_cell > 0 && height_label > 0 )
6049             {
6050                 wxRect anotherrect(x, rect_y, width_cell, height_label);
6051                 m_colLabelWin->Refresh(eraseb, &anotherrect);
6052             }
6053
6054             // Paint row labels part intersecting rect.
6055             if ( width_label > 0 && height_cell > 0 )
6056             {
6057                 wxRect anotherrect(rect_x, y, width_label, height_cell);
6058                 m_rowLabelWin->Refresh(eraseb, &anotherrect);
6059             }
6060
6061             // Paint cell area part intersecting rect.
6062             if ( width_cell > 0 && height_cell > 0 )
6063             {
6064                 wxRect anotherrect(x, y, width_cell, height_cell);
6065                 m_gridWin->Refresh(eraseb, &anotherrect);
6066             }
6067         }
6068         else
6069         {
6070             m_cornerLabelWin->Refresh(eraseb, NULL);
6071             m_colLabelWin->Refresh(eraseb, NULL);
6072             m_rowLabelWin->Refresh(eraseb, NULL);
6073             m_gridWin->Refresh(eraseb, NULL);
6074         }
6075     }
6076 }
6077
6078 void wxGrid::OnSize( wxSizeEvent& event )
6079 {
6080     // position the child windows
6081     CalcWindowSizes();
6082
6083     // don't call CalcDimensions() from here, the base class handles the size
6084     // changes itself
6085     event.Skip();
6086 }
6087
6088
6089 void wxGrid::OnKeyDown( wxKeyEvent& event )
6090 {
6091     if ( m_inOnKeyDown )
6092     {
6093         // shouldn't be here - we are going round in circles...
6094         //
6095         wxFAIL_MSG( wxT("wxGrid::OnKeyDown called while already active") );
6096     }
6097
6098     m_inOnKeyDown = TRUE;
6099
6100     // propagate the event up and see if it gets processed
6101     //
6102     wxWindow *parent = GetParent();
6103     wxKeyEvent keyEvt( event );
6104     keyEvt.SetEventObject( parent );
6105
6106     if ( !parent->GetEventHandler()->ProcessEvent( keyEvt ) )
6107     {
6108
6109         // try local handlers
6110         //
6111         switch ( event.GetKeyCode() )
6112         {
6113             case WXK_UP:
6114                 if ( event.ControlDown() )
6115                 {
6116                     MoveCursorUpBlock( event.ShiftDown() );
6117                 }
6118                 else
6119                 {
6120                     MoveCursorUp( event.ShiftDown() );
6121                 }
6122                 break;
6123
6124             case WXK_DOWN:
6125                 if ( event.ControlDown() )
6126                 {
6127                     MoveCursorDownBlock( event.ShiftDown() );
6128                 }
6129                 else
6130                 {
6131                     MoveCursorDown( event.ShiftDown() );
6132                 }
6133                 break;
6134
6135             case WXK_LEFT:
6136                 if ( event.ControlDown() )
6137                 {
6138                     MoveCursorLeftBlock( event.ShiftDown() );
6139                 }
6140                 else
6141                 {
6142                     MoveCursorLeft( event.ShiftDown() );
6143                 }
6144                 break;
6145
6146             case WXK_RIGHT:
6147                 if ( event.ControlDown() )
6148                 {
6149                     MoveCursorRightBlock( event.ShiftDown() );
6150                 }
6151                 else
6152                 {
6153                     MoveCursorRight( event.ShiftDown() );
6154                 }
6155                 break;
6156
6157             case WXK_RETURN:
6158             case WXK_NUMPAD_ENTER:
6159                 if ( event.ControlDown() )
6160                 {
6161                     event.Skip();  // to let the edit control have the return
6162                 }
6163                 else
6164                 {
6165                     if ( GetGridCursorRow() < GetNumberRows()-1 )
6166                     {
6167                         MoveCursorDown( event.ShiftDown() );
6168                     }
6169                     else
6170                     {
6171                         // at the bottom of a column
6172                         HideCellEditControl();
6173                         SaveEditControlValue();
6174                     }
6175                 }
6176                 break;
6177
6178             case WXK_ESCAPE:
6179                 ClearSelection();
6180                 break;
6181
6182             case WXK_TAB:
6183                 if (event.ShiftDown())
6184                 {
6185                     if ( GetGridCursorCol() > 0 )
6186                     {
6187                         MoveCursorLeft( FALSE );
6188                     }
6189                     else
6190                     {
6191                         // at left of grid
6192                         HideCellEditControl();
6193                         SaveEditControlValue();
6194                     }
6195                 }
6196                 else
6197                 {
6198                     if ( GetGridCursorCol() < GetNumberCols()-1 )
6199                     {
6200                         MoveCursorRight( FALSE );
6201                     }
6202                     else
6203                     {
6204                         // at right of grid
6205                         HideCellEditControl();
6206                         SaveEditControlValue();
6207                     }
6208                 }
6209                 break;
6210
6211             case WXK_HOME:
6212                 if ( event.ControlDown() )
6213                 {
6214                     MakeCellVisible( 0, 0 );
6215                     SetCurrentCell( 0, 0 );
6216                 }
6217                 else
6218                 {
6219                     event.Skip();
6220                 }
6221                 break;
6222
6223             case WXK_END:
6224                 if ( event.ControlDown() )
6225                 {
6226                     MakeCellVisible( m_numRows-1, m_numCols-1 );
6227                     SetCurrentCell( m_numRows-1, m_numCols-1 );
6228                 }
6229                 else
6230                 {
6231                     event.Skip();
6232                 }
6233                 break;
6234
6235             case WXK_PRIOR:
6236                 MovePageUp();
6237                 break;
6238
6239             case WXK_NEXT:
6240                 MovePageDown();
6241                 break;
6242
6243             case WXK_SPACE:
6244                 if ( event.ControlDown() )
6245                 {
6246                     if ( m_selection )
6247                     {
6248                         m_selection->ToggleCellSelection( m_currentCellCoords.GetRow(),
6249                                                           m_currentCellCoords.GetCol(),
6250                                                           event.ControlDown(),
6251                                                           event.ShiftDown(),
6252                                                           event.AltDown(),
6253                                                           event.MetaDown() );
6254                     }
6255                     break;
6256                 }
6257                 if ( !IsEditable() )
6258                 {
6259                     MoveCursorRight( FALSE );
6260                     break;
6261                 }
6262                 // Otherwise fall through to default
6263
6264             default:
6265                 // is it possible to edit the current cell at all?
6266                 if ( !IsCellEditControlEnabled() && CanEnableCellControl() )
6267                 {
6268                     // yes, now check whether the cells editor accepts the key
6269                     int row = m_currentCellCoords.GetRow();
6270                     int col = m_currentCellCoords.GetCol();
6271                     wxGridCellAttr* attr = GetCellAttr(row, col);
6272                     wxGridCellEditor *editor = attr->GetEditor(this, row, col);
6273
6274                     // <F2> is special and will always start editing, for
6275                     // other keys - ask the editor itself
6276                     if ( (event.GetKeyCode() == WXK_F2 && !event.HasModifiers())
6277                          || editor->IsAcceptedKey(event) )
6278                     {
6279                         // ensure cell is visble
6280                         MakeCellVisible(row, col);
6281                         EnableCellEditControl();
6282
6283                         // a problem can arise if the cell is not completely
6284                         // visible (even after calling MakeCellVisible the
6285                         // control is not created and calling StartingKey will
6286                         // crash the app
6287                         if( editor->IsCreated() && m_cellEditCtrlEnabled ) editor->StartingKey(event);
6288                     }
6289                     else
6290                     {
6291                         event.Skip();
6292                     }
6293
6294                     editor->DecRef();
6295                     attr->DecRef();
6296                 }
6297                 else
6298                 {
6299                     // let others process char events with modifiers or all
6300                     // char events for readonly cells
6301                     event.Skip();
6302                 }
6303                 break;
6304         }
6305     }
6306
6307     m_inOnKeyDown = FALSE;
6308 }
6309
6310 void wxGrid::OnKeyUp( wxKeyEvent& event )
6311 {
6312     // try local handlers
6313     //
6314     if ( event.GetKeyCode() == WXK_SHIFT )
6315     {
6316         if ( m_selectingTopLeft != wxGridNoCellCoords &&
6317              m_selectingBottomRight != wxGridNoCellCoords )
6318         {
6319             if ( m_selection )
6320             {
6321                 m_selection->SelectBlock( m_selectingTopLeft.GetRow(),
6322                                           m_selectingTopLeft.GetCol(),
6323                                           m_selectingBottomRight.GetRow(),
6324                                           m_selectingBottomRight.GetCol(),
6325                                           event.ControlDown(),
6326                                           TRUE,
6327                                           event.AltDown(),
6328                                           event.MetaDown() );
6329             }
6330         }
6331
6332         m_selectingTopLeft = wxGridNoCellCoords;
6333         m_selectingBottomRight = wxGridNoCellCoords;
6334         m_selectingKeyboard = wxGridNoCellCoords;
6335     }
6336 }
6337
6338 void wxGrid::OnEraseBackground(wxEraseEvent&)
6339 {
6340 }
6341
6342 void wxGrid::SetCurrentCell( const wxGridCellCoords& coords )
6343 {
6344     if ( SendEvent( wxEVT_GRID_SELECT_CELL, coords.GetRow(), coords.GetCol() ) )
6345     {
6346         // the event has been intercepted - do nothing
6347         return;
6348     }
6349
6350     wxClientDC dc(m_gridWin);
6351     PrepareDC(dc);
6352
6353     if ( m_currentCellCoords != wxGridNoCellCoords )
6354     {
6355         HideCellEditControl();
6356         DisableCellEditControl();
6357
6358         if ( IsVisible( m_currentCellCoords, FALSE ) )
6359         {
6360             wxRect r;
6361             r = BlockToDeviceRect(m_currentCellCoords, m_currentCellCoords);
6362             if ( !m_gridLinesEnabled )
6363             {
6364                 r.x--;
6365                 r.y--;
6366                 r.width++;
6367                 r.height++;
6368             }
6369
6370             wxGridCellCoordsArray cells = CalcCellsExposed( r );
6371
6372             // Otherwise refresh redraws the highlight!
6373             m_currentCellCoords = coords;
6374
6375             DrawGridCellArea(dc,cells);
6376             DrawAllGridLines( dc, r );
6377         }
6378     }
6379
6380     m_currentCellCoords = coords;
6381
6382     wxGridCellAttr* attr = GetCellAttr(coords);
6383     DrawCellHighlight(dc, attr);
6384     attr->DecRef();
6385 }
6386
6387
6388 void wxGrid::HighlightBlock( int topRow, int leftCol, int bottomRow, int rightCol )
6389 {
6390     int temp;
6391     wxGridCellCoords updateTopLeft, updateBottomRight;
6392
6393     if ( m_selection )
6394     {
6395         if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectRows )
6396         {
6397             leftCol = 0;
6398             rightCol = GetNumberCols() - 1;
6399         }
6400         else if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectColumns )
6401         {
6402             topRow = 0;
6403             bottomRow = GetNumberRows() - 1;
6404         }
6405     }
6406
6407     if ( topRow > bottomRow )
6408     {
6409         temp = topRow;
6410         topRow = bottomRow;
6411         bottomRow = temp;
6412     }
6413
6414     if ( leftCol > rightCol )
6415     {
6416         temp = leftCol;
6417         leftCol = rightCol;
6418         rightCol = temp;
6419     }
6420
6421     updateTopLeft = wxGridCellCoords( topRow, leftCol );
6422     updateBottomRight = wxGridCellCoords( bottomRow, rightCol );
6423
6424     // First the case that we selected a completely new area
6425     if ( m_selectingTopLeft == wxGridNoCellCoords ||
6426          m_selectingBottomRight == wxGridNoCellCoords )
6427     {
6428         wxRect rect;
6429         rect = BlockToDeviceRect( wxGridCellCoords ( topRow, leftCol ),
6430                                   wxGridCellCoords ( bottomRow, rightCol ) );
6431         m_gridWin->Refresh( FALSE, &rect );
6432     }
6433     // Now handle changing an existing selection area.
6434     else if ( m_selectingTopLeft != updateTopLeft ||
6435               m_selectingBottomRight != updateBottomRight )
6436     {
6437         // Compute two optimal update rectangles:
6438         // Either one rectangle is a real subset of the
6439         // other, or they are (almost) disjoint!
6440         wxRect  rect[4];
6441         bool    need_refresh[4];
6442         need_refresh[0] =
6443         need_refresh[1] =
6444         need_refresh[2] =
6445         need_refresh[3] = FALSE;
6446         int     i;
6447
6448         // Store intermediate values
6449         wxCoord oldLeft   = m_selectingTopLeft.GetCol();
6450         wxCoord oldTop    = m_selectingTopLeft.GetRow();
6451         wxCoord oldRight  = m_selectingBottomRight.GetCol();
6452         wxCoord oldBottom = m_selectingBottomRight.GetRow();
6453
6454         // Determine the outer/inner coordinates.
6455         if (oldLeft > leftCol)
6456         {
6457             temp = oldLeft;
6458             oldLeft = leftCol;
6459             leftCol = temp;
6460         }
6461         if (oldTop > topRow )
6462         {
6463             temp = oldTop;
6464             oldTop = topRow;
6465             topRow = temp;
6466         }
6467         if (oldRight < rightCol )
6468         {
6469             temp = oldRight;
6470             oldRight = rightCol;
6471             rightCol = temp;
6472         }
6473         if (oldBottom < bottomRow)
6474         {
6475             temp = oldBottom;
6476             oldBottom = bottomRow;
6477             bottomRow = temp;
6478         }
6479
6480         // Now, either the stuff marked old is the outer
6481         // rectangle or we don't have a situation where one
6482         // is contained in the other.
6483
6484         if ( oldLeft < leftCol )
6485         {
6486             // Refresh the newly selected or deselected
6487             // area to the left of the old or new selection.
6488             need_refresh[0] = TRUE;
6489             rect[0] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
6490                                                             oldLeft ),
6491                                          wxGridCellCoords ( oldBottom,
6492                                                             leftCol - 1 ) );
6493         }
6494
6495         if ( oldTop  < topRow )
6496         {
6497             // Refresh the newly selected or deselected
6498             // area above the old or new selection.
6499             need_refresh[1] = TRUE;
6500             rect[1] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
6501                                                             leftCol ),
6502                                          wxGridCellCoords ( topRow - 1,
6503                                                             rightCol ) );
6504         }
6505
6506         if ( oldRight > rightCol )
6507         {
6508             // Refresh the newly selected or deselected
6509             // area to the right of the old or new selection.
6510             need_refresh[2] = TRUE;
6511             rect[2] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
6512                                                             rightCol + 1 ),
6513                                          wxGridCellCoords ( oldBottom,
6514                                                             oldRight ) );
6515         }
6516
6517         if ( oldBottom > bottomRow )
6518         {
6519             // Refresh the newly selected or deselected
6520             // area below the old or new selection.
6521             need_refresh[3] = TRUE;
6522             rect[3] = BlockToDeviceRect( wxGridCellCoords ( bottomRow + 1,
6523                                                             leftCol ),
6524                                          wxGridCellCoords ( oldBottom,
6525                                                             rightCol ) );
6526         }
6527
6528         // various Refresh() calls
6529         for (i = 0; i < 4; i++ )
6530             if ( need_refresh[i] && rect[i] != wxGridNoCellRect )
6531                 m_gridWin->Refresh( FALSE, &(rect[i]) );
6532     }
6533     // Change Selection
6534     m_selectingTopLeft = updateTopLeft;
6535     m_selectingBottomRight = updateBottomRight;
6536 }
6537
6538 //
6539 // ------ functions to get/send data (see also public functions)
6540 //
6541
6542 bool wxGrid::GetModelValues()
6543 {
6544     // Hide the editor, so it won't hide a changed value.
6545     HideCellEditControl();
6546
6547     if ( m_table )
6548     {
6549         // all we need to do is repaint the grid
6550         //
6551         m_gridWin->Refresh();
6552         return TRUE;
6553     }
6554
6555     return FALSE;
6556 }
6557
6558
6559 bool wxGrid::SetModelValues()
6560 {
6561     int row, col;
6562
6563     // Disable the editor, so it won't hide a changed value.
6564     // Do we also want to save the current value of the editor first?
6565     // I think so ...
6566     DisableCellEditControl();
6567
6568     if ( m_table )
6569     {
6570         for ( row = 0;  row < m_numRows;  row++ )
6571         {
6572             for ( col = 0;  col < m_numCols;  col++ )
6573             {
6574                 m_table->SetValue( row, col, GetCellValue(row, col) );
6575             }
6576         }
6577
6578         return TRUE;
6579     }
6580
6581     return FALSE;
6582 }
6583
6584
6585
6586 // Note - this function only draws cells that are in the list of
6587 // exposed cells (usually set from the update region by
6588 // CalcExposedCells)
6589 //
6590 void wxGrid::DrawGridCellArea( wxDC& dc, const wxGridCellCoordsArray& cells )
6591 {
6592     if ( !m_numRows || !m_numCols ) return;
6593
6594     int i, numCells = cells.GetCount();
6595     int row, col, cell_rows, cell_cols;
6596     wxGridCellCoordsArray redrawCells;
6597
6598     for ( i = numCells-1; i >= 0;  i-- )
6599     {
6600         row = cells[i].GetRow();
6601         col = cells[i].GetCol();
6602         GetCellSize( row, col, &cell_rows, &cell_cols );
6603
6604         // If this cell is part of a multicell block, find owner for repaint
6605         if ( cell_rows <= 0 || cell_cols <= 0 )
6606         {
6607             wxGridCellCoords cell(row+cell_rows, col+cell_cols);
6608             bool marked = FALSE;
6609             for ( int j = 0;  j < numCells;  j++ )
6610             {
6611                 if ( cell == cells[j] )
6612                 {
6613                     marked = TRUE;
6614                     break;
6615                 }
6616             }
6617             if (!marked)
6618             {
6619                 int count = redrawCells.GetCount();
6620                 for (int j = 0; j < count; j++)
6621                 {
6622                     if ( cell == redrawCells[j] )
6623                     {
6624                         marked = TRUE;
6625                         break;
6626                     }
6627                 }
6628                 if (!marked) redrawCells.Add( cell );
6629             }
6630             continue; // don't bother drawing this cell
6631         }
6632
6633         // If this cell is empty, find cell to left that might want to overflow
6634         if (m_table && m_table->IsEmptyCell(row, col))
6635         {
6636             for ( int l = 0; l < cell_rows; l++ )
6637             {
6638                 // find a cell in this row to left alreay marked for repaint
6639                 int left = col;
6640                 for (int k = 0; k < int(redrawCells.GetCount()); k++)
6641                     if ((redrawCells[k].GetCol() < left) &&
6642                         (redrawCells[k].GetRow() == row))
6643                         left=redrawCells[k].GetCol();
6644
6645                 if (left == col) left = 0; // oh well
6646
6647                 for (int j = col-1; j >= left; j--)
6648                 {
6649                     if (!m_table->IsEmptyCell(row+l, j))
6650                     {
6651                         if (GetCellOverflow(row+l, j))
6652                         {
6653                             wxGridCellCoords cell(row+l, j);
6654                             bool marked = FALSE;
6655
6656                             for (int k = 0; k < numCells; k++)
6657                             {
6658                                 if ( cell == cells[k] )
6659                                 {
6660                                     marked = TRUE;
6661                                     break;
6662                                 }
6663                             }
6664                             if (!marked)
6665                             {
6666                                 int count = redrawCells.GetCount();
6667                                 for (int k = 0; k < count; k++)
6668                                 {
6669                                     if ( cell == redrawCells[k] )
6670                                     {
6671                                         marked = TRUE;
6672                                         break;
6673                                     }
6674                                 }
6675                                 if (!marked) redrawCells.Add( cell );
6676                             }
6677                         }
6678                         break;
6679                     }
6680                 }
6681             }
6682         }
6683         DrawCell( dc, cells[i] );
6684     }
6685
6686     numCells = redrawCells.GetCount();
6687
6688     for ( i = numCells - 1; i >= 0;  i-- )
6689     {
6690         DrawCell( dc, redrawCells[i] );
6691     }
6692 }
6693
6694
6695 void wxGrid::DrawGridSpace( wxDC& dc )
6696 {
6697   int cw, ch;
6698   m_gridWin->GetClientSize( &cw, &ch );
6699
6700   int right, bottom;
6701   CalcUnscrolledPosition( cw, ch, &right, &bottom );
6702
6703   int rightCol = m_numCols > 0 ? GetColRight(m_numCols - 1) : 0;
6704   int bottomRow = m_numRows > 0 ? GetRowBottom(m_numRows - 1) : 0 ;
6705
6706   if ( right > rightCol || bottom > bottomRow )
6707   {
6708       int left, top;
6709       CalcUnscrolledPosition( 0, 0, &left, &top );
6710
6711       dc.SetBrush( wxBrush(GetDefaultCellBackgroundColour(), wxSOLID) );
6712       dc.SetPen( *wxTRANSPARENT_PEN );
6713
6714       if ( right > rightCol )
6715       {
6716           dc.DrawRectangle( rightCol, top, right - rightCol, ch);
6717       }
6718
6719       if ( bottom > bottomRow )
6720       {
6721           dc.DrawRectangle( left, bottomRow, cw, bottom - bottomRow);
6722       }
6723   }
6724 }
6725
6726
6727 void wxGrid::DrawCell( wxDC& dc, const wxGridCellCoords& coords )
6728 {
6729     int row = coords.GetRow();
6730     int col = coords.GetCol();
6731
6732     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
6733         return;
6734
6735     // we draw the cell border ourselves
6736 #if !WXGRID_DRAW_LINES
6737     if ( m_gridLinesEnabled )
6738         DrawCellBorder( dc, coords );
6739 #endif
6740
6741     wxGridCellAttr* attr = GetCellAttr(row, col);
6742
6743     bool isCurrent = coords == m_currentCellCoords;
6744
6745     wxRect rect = CellToRect( row, col );
6746
6747     // if the editor is shown, we should use it and not the renderer
6748     // Note: However, only if it is really _shown_, i.e. not hidden!
6749     if ( isCurrent && IsCellEditControlShown() )
6750     {
6751         wxGridCellEditor *editor = attr->GetEditor(this, row, col);
6752         editor->PaintBackground(rect, attr);
6753         editor->DecRef();
6754     }
6755     else
6756     {
6757         // but all the rest is drawn by the cell renderer and hence may be
6758         // customized
6759         wxGridCellRenderer *renderer = attr->GetRenderer(this, row, col);
6760         renderer->Draw(*this, *attr, dc, rect, row, col, IsInSelection(coords));
6761         renderer->DecRef();
6762     }
6763
6764     attr->DecRef();
6765 }
6766
6767 void wxGrid::DrawCellHighlight( wxDC& dc, const wxGridCellAttr *attr )
6768 {
6769     int row = m_currentCellCoords.GetRow();
6770     int col = m_currentCellCoords.GetCol();
6771
6772     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
6773         return;
6774
6775     wxRect rect = CellToRect(row, col);
6776
6777     // hmmm... what could we do here to show that the cell is disabled?
6778     // for now, I just draw a thinner border than for the other ones, but
6779     // it doesn't look really good
6780
6781     int penWidth = attr->IsReadOnly() ? m_cellHighlightROPenWidth : m_cellHighlightPenWidth;
6782
6783     if (penWidth > 0)
6784     {
6785         // The center of th drawn line is where the position/width/height of
6786         // the rectangle is actually at, (on wxMSW atr least,) so we will
6787         // reduce the size of the rectangle to compensate for the thickness of
6788         // the line.  If this is too strange on non wxMSW platforms then
6789         // please #ifdef this appropriately.
6790         rect.x += penWidth/2;
6791         rect.y += penWidth/2;
6792         rect.width -= penWidth-1;
6793         rect.height -= penWidth-1;
6794
6795
6796         // Now draw the rectangle
6797         // use the cellHighlightColour if the cell is inside a selection, this
6798         // will ensure the cell is always visible.
6799         dc.SetPen(wxPen(IsInSelection(row,col)?m_selectionForeground:m_cellHighlightColour, penWidth, wxSOLID));
6800         dc.SetBrush(*wxTRANSPARENT_BRUSH);
6801         dc.DrawRectangle(rect);
6802     }
6803
6804 #if 0
6805         // VZ: my experiments with 3d borders...
6806
6807         // how to properly set colours for arbitrary bg?
6808         wxCoord x1 = rect.x,
6809                 y1 = rect.y,
6810                 x2 = rect.x + rect.width -1,
6811                 y2 = rect.y + rect.height -1;
6812
6813         dc.SetPen(*wxWHITE_PEN);
6814         dc.DrawLine(x1, y1, x2, y1);
6815         dc.DrawLine(x1, y1, x1, y2);
6816
6817         dc.DrawLine(x1 + 1, y2 - 1, x2 - 1, y2 - 1);
6818         dc.DrawLine(x2 - 1, y1 + 1, x2 - 1, y2 );
6819
6820         dc.SetPen(*wxBLACK_PEN);
6821         dc.DrawLine(x1, y2, x2, y2);
6822         dc.DrawLine(x2, y1, x2, y2+1);
6823 #endif // 0
6824 }
6825
6826
6827 void wxGrid::DrawCellBorder( wxDC& dc, const wxGridCellCoords& coords )
6828 {
6829     int row = coords.GetRow();
6830     int col = coords.GetCol();
6831     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
6832         return;
6833
6834     dc.SetPen( wxPen(GetGridLineColour(), 1, wxSOLID) );
6835
6836     wxRect rect = CellToRect( row, col );
6837
6838     // right hand border
6839     //
6840     dc.DrawLine( rect.x + rect.width, rect.y,
6841                  rect.x + rect.width, rect.y + rect.height + 1 );
6842
6843     // bottom border
6844     //
6845     dc.DrawLine( rect.x,              rect.y + rect.height,
6846                  rect.x + rect.width, rect.y + rect.height);
6847 }
6848
6849 void wxGrid::DrawHighlight(wxDC& dc,const  wxGridCellCoordsArray& cells)
6850 {
6851     // This if block was previously in wxGrid::OnPaint but that doesn't
6852     // seem to get called under wxGTK - MB
6853     //
6854     if ( m_currentCellCoords == wxGridNoCellCoords  &&
6855          m_numRows && m_numCols )
6856     {
6857         m_currentCellCoords.Set(0, 0);
6858     }
6859
6860     if ( IsCellEditControlShown() )
6861     {
6862         // don't show highlight when the edit control is shown
6863         return;
6864     }
6865
6866     // if the active cell was repainted, repaint its highlight too because it
6867     // might have been damaged by the grid lines
6868     size_t count = cells.GetCount();
6869     for ( size_t n = 0; n < count; n++ )
6870     {
6871         if ( cells[n] == m_currentCellCoords )
6872         {
6873             wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords);
6874             DrawCellHighlight(dc, attr);
6875             attr->DecRef();
6876
6877             break;
6878         }
6879     }
6880 }
6881
6882 // TODO: remove this ???
6883 // This is used to redraw all grid lines e.g. when the grid line colour
6884 // has been changed
6885 //
6886 void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & WXUNUSED(reg) )
6887 {
6888 #if !WXGRID_DRAW_LINES
6889     return;
6890 #endif
6891
6892     if ( !m_gridLinesEnabled ||
6893          !m_numRows ||
6894          !m_numCols ) return;
6895
6896     int top, bottom, left, right;
6897
6898 #if 0  //#ifndef __WXGTK__
6899     if (reg.IsEmpty())
6900     {
6901       int cw, ch;
6902       m_gridWin->GetClientSize(&cw, &ch);
6903
6904       // virtual coords of visible area
6905       //
6906       CalcUnscrolledPosition( 0, 0, &left, &top );
6907       CalcUnscrolledPosition( cw, ch, &right, &bottom );
6908     }
6909     else
6910     {
6911       wxCoord x, y, w, h;
6912       reg.GetBox(x, y, w, h);
6913       CalcUnscrolledPosition( x, y, &left, &top );
6914       CalcUnscrolledPosition( x + w, y + h, &right, &bottom );
6915     }
6916 #else
6917       int cw, ch;
6918       m_gridWin->GetClientSize(&cw, &ch);
6919       CalcUnscrolledPosition( 0, 0, &left, &top );
6920       CalcUnscrolledPosition( cw, ch, &right, &bottom );
6921 #endif
6922
6923     // avoid drawing grid lines past the last row and col
6924     //
6925     right = wxMin( right, GetColRight(m_numCols - 1) );
6926     bottom = wxMin( bottom, GetRowBottom(m_numRows - 1) );
6927
6928     // no gridlines inside multicells, clip them out
6929     int leftCol   = internalXToCol(left);
6930     int topRow    = internalYToRow(top);
6931     int rightCol  = internalXToCol(right);
6932     int bottomRow = internalYToRow(bottom);
6933     wxRegion clippedcells(0, 0, cw, ch);
6934
6935
6936     int i, j, cell_rows, cell_cols;
6937     wxRect rect;
6938
6939     for (j=topRow; j<bottomRow; j++)
6940     {
6941         for (i=leftCol; i<rightCol; i++)
6942         {
6943             GetCellSize( j, i, &cell_rows, &cell_cols );
6944             if ((cell_rows > 1) || (cell_cols > 1))
6945             {
6946                 rect = CellToRect(j,i);
6947                 CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
6948                 clippedcells.Subtract(rect);
6949             }
6950             else if ((cell_rows < 0) || (cell_cols < 0))
6951             {
6952                 rect = CellToRect(j+cell_rows, i+cell_cols);
6953                 CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
6954                 clippedcells.Subtract(rect);
6955             }
6956         }
6957     }
6958     dc.SetClippingRegion( clippedcells );
6959
6960     dc.SetPen( wxPen(GetGridLineColour(), 1, wxSOLID) );
6961
6962     // horizontal grid lines
6963     //
6964     // already declared above - int i;
6965     for ( i = internalYToRow(top); i < m_numRows; i++ )
6966     {
6967         int bot = GetRowBottom(i) - 1;
6968
6969         if ( bot > bottom )
6970         {
6971             break;
6972         }
6973
6974         if ( bot >= top )
6975         {
6976             dc.DrawLine( left, bot, right, bot );
6977         }
6978     }
6979
6980
6981     // vertical grid lines
6982     //
6983     for ( i = internalXToCol(left); i < m_numCols; i++ )
6984     {
6985         int colRight = GetColRight(i) - 1;
6986         if ( colRight > right )
6987         {
6988             break;
6989         }
6990
6991         if ( colRight >= left )
6992         {
6993             dc.DrawLine( colRight, top, colRight, bottom );
6994         }
6995     }
6996     dc.DestroyClippingRegion();
6997 }
6998
6999
7000 void wxGrid::DrawRowLabels( wxDC& dc ,const wxArrayInt& rows)
7001 {
7002     if ( !m_numRows ) return;
7003
7004     size_t i;
7005     size_t numLabels = rows.GetCount();
7006
7007     for ( i = 0;  i < numLabels;  i++ )
7008     {
7009         DrawRowLabel( dc, rows[i] );
7010     }
7011 }
7012
7013
7014 void wxGrid::DrawRowLabel( wxDC& dc, int row )
7015 {
7016     if ( GetRowHeight(row) <= 0 )
7017         return;
7018
7019     int rowTop = GetRowTop(row),
7020         rowBottom = GetRowBottom(row) - 1;
7021
7022     dc.SetPen( wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW),1, wxSOLID) );
7023     dc.DrawLine( m_rowLabelWidth-1, rowTop,
7024                  m_rowLabelWidth-1, rowBottom );
7025
7026     dc.DrawLine( 0, rowTop, 0, rowBottom );
7027
7028     dc.DrawLine( 0, rowBottom, m_rowLabelWidth, rowBottom );
7029
7030     dc.SetPen( *wxWHITE_PEN );
7031     dc.DrawLine( 1, rowTop, 1, rowBottom );
7032     dc.DrawLine( 1, rowTop, m_rowLabelWidth-1, rowTop );
7033
7034     dc.SetBackgroundMode( wxTRANSPARENT );
7035     dc.SetTextForeground( GetLabelTextColour() );
7036     dc.SetFont( GetLabelFont() );
7037
7038     int hAlign, vAlign;
7039     GetRowLabelAlignment( &hAlign, &vAlign );
7040
7041     wxRect rect;
7042     rect.SetX( 2 );
7043     rect.SetY( GetRowTop(row) + 2 );
7044     rect.SetWidth( m_rowLabelWidth - 4 );
7045     rect.SetHeight( GetRowHeight(row) - 4 );
7046     DrawTextRectangle( dc, GetRowLabelValue( row ), rect, hAlign, vAlign );
7047 }
7048
7049
7050 void wxGrid::DrawColLabels( wxDC& dc,const wxArrayInt& cols )
7051 {
7052     if ( !m_numCols ) return;
7053
7054     size_t i;
7055     size_t numLabels = cols.GetCount();
7056
7057     for ( i = 0;  i < numLabels;  i++ )
7058     {
7059         DrawColLabel( dc, cols[i] );
7060     }
7061 }
7062
7063
7064 void wxGrid::DrawColLabel( wxDC& dc, int col )
7065 {
7066     if ( GetColWidth(col) <= 0 )
7067         return;
7068
7069     int colLeft = GetColLeft(col),
7070         colRight = GetColRight(col) - 1;
7071
7072     dc.SetPen( wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW),1, wxSOLID) );
7073     dc.DrawLine( colRight, 0,
7074                  colRight, m_colLabelHeight-1 );
7075
7076     dc.DrawLine( colLeft, 0, colRight, 0 );
7077
7078     dc.DrawLine( colLeft, m_colLabelHeight-1,
7079                  colRight+1, m_colLabelHeight-1 );
7080
7081     dc.SetPen( *wxWHITE_PEN );
7082     dc.DrawLine( colLeft, 1, colLeft, m_colLabelHeight-1 );
7083     dc.DrawLine( colLeft, 1, colRight, 1 );
7084
7085     dc.SetBackgroundMode( wxTRANSPARENT );
7086     dc.SetTextForeground( GetLabelTextColour() );
7087     dc.SetFont( GetLabelFont() );
7088
7089     int hAlign, vAlign, orient;
7090     GetColLabelAlignment( &hAlign, &vAlign );
7091     orient = GetColLabelTextOrientation();
7092
7093     wxRect rect;
7094     rect.SetX( colLeft + 2 );
7095     rect.SetY( 2 );
7096     rect.SetWidth( GetColWidth(col) - 4 );
7097     rect.SetHeight( m_colLabelHeight - 4 );
7098     DrawTextRectangle( dc, GetColLabelValue( col ), rect, hAlign, vAlign, orient );
7099 }
7100
7101 void wxGrid::DrawTextRectangle( wxDC& dc,
7102                                 const wxString& value,
7103                                 const wxRect& rect,
7104                                 int horizAlign,
7105                                 int vertAlign,
7106                                 int textOrientation )
7107 {
7108     wxArrayString lines;
7109
7110     StringToLines( value, lines );
7111
7112
7113     //Forward to new API.
7114     DrawTextRectangle(  dc,
7115         lines,
7116         rect,
7117         horizAlign,
7118         vertAlign,
7119         textOrientation );
7120
7121 }
7122
7123 void wxGrid::DrawTextRectangle( wxDC& dc,
7124                                const wxArrayString& lines,
7125                                const wxRect& rect,
7126                                int horizAlign,
7127                                int vertAlign,
7128                                int textOrientation )
7129 {
7130     long textWidth, textHeight;
7131     long lineWidth, lineHeight;
7132     int nLines;
7133
7134     dc.SetClippingRegion( rect );
7135
7136     nLines = lines.GetCount();
7137     if( nLines > 0 )
7138     {
7139         int l;
7140         float x = 0.0, y = 0.0;
7141
7142         if( textOrientation == wxHORIZONTAL )
7143             GetTextBoxSize(dc, lines, &textWidth, &textHeight);
7144         else
7145             GetTextBoxSize( dc, lines, &textHeight, &textWidth );
7146
7147         switch( vertAlign )
7148         {
7149         case wxALIGN_BOTTOM:
7150             if( textOrientation == wxHORIZONTAL )
7151                 y = rect.y + (rect.height - textHeight - 1);
7152             else
7153                 x = rect.x + rect.width - textWidth;
7154             break;
7155
7156         case wxALIGN_CENTRE:
7157             if( textOrientation == wxHORIZONTAL )
7158                 y = rect.y + ((rect.height - textHeight)/2);
7159             else
7160                 x = rect.x + ((rect.width - textWidth)/2);
7161             break;
7162
7163         case wxALIGN_TOP:
7164         default:
7165             if( textOrientation == wxHORIZONTAL )
7166                 y = rect.y + 1;
7167             else
7168                 x = rect.x + 1;
7169             break;
7170         }
7171
7172         // Align each line of a multi-line label
7173         for( l = 0; l < nLines; l++ )
7174         {
7175             dc.GetTextExtent(lines[l], &lineWidth, &lineHeight);
7176
7177             switch( horizAlign )
7178             {
7179             case wxALIGN_RIGHT:
7180                 if( textOrientation == wxHORIZONTAL )
7181                     x = rect.x + (rect.width - lineWidth - 1);
7182                 else
7183                     y = rect.y + lineWidth + 1;
7184                 break;
7185
7186             case wxALIGN_CENTRE:
7187                 if( textOrientation == wxHORIZONTAL )
7188                     x = rect.x + ((rect.width - lineWidth)/2);
7189                 else
7190                     y = rect.y + rect.height - ((rect.height - lineWidth)/2);
7191                 break;
7192
7193             case wxALIGN_LEFT:
7194             default:
7195                 if( textOrientation == wxHORIZONTAL )
7196                     x = rect.x + 1;
7197                 else
7198                     y = rect.y + rect.height - 1;
7199                 break;
7200             }
7201
7202             if( textOrientation == wxHORIZONTAL )
7203             {
7204                 dc.DrawText( lines[l], (int)x, (int)y );
7205                 y += lineHeight;
7206             }
7207             else
7208             {
7209                 dc.DrawRotatedText( lines[l], (int)x, (int)y, 90.0 );
7210                 x += lineHeight;
7211             }
7212         }
7213     }
7214     dc.DestroyClippingRegion();
7215 }
7216
7217
7218 // Split multi line text up into an array of strings.  Any existing
7219 // contents of the string array are preserved.
7220 //
7221 void wxGrid::StringToLines( const wxString& value, wxArrayString& lines )
7222 {
7223     int startPos = 0;
7224     int pos;
7225     wxString eol = wxTextFile::GetEOL( wxTextFileType_Unix );
7226     wxString tVal = wxTextFile::Translate( value, wxTextFileType_Unix );
7227
7228     while ( startPos < (int)tVal.Length() )
7229     {
7230         pos = tVal.Mid(startPos).Find( eol );
7231         if ( pos < 0 )
7232         {
7233             break;
7234         }
7235         else if ( pos == 0 )
7236         {
7237             lines.Add( wxEmptyString );
7238         }
7239         else
7240         {
7241             lines.Add( value.Mid(startPos, pos) );
7242         }
7243         startPos += pos+1;
7244     }
7245     if ( startPos < (int)value.Length() )
7246     {
7247         lines.Add( value.Mid( startPos ) );
7248     }
7249 }
7250
7251
7252 void wxGrid::GetTextBoxSize( wxDC& dc,
7253                              const wxArrayString& lines,
7254                              long *width, long *height )
7255 {
7256     long w = 0;
7257     long h = 0;
7258     long lineW, lineH;
7259
7260     size_t i;
7261     for ( i = 0;  i < lines.GetCount();  i++ )
7262     {
7263         dc.GetTextExtent( lines[i], &lineW, &lineH );
7264         w = wxMax( w, lineW );
7265         h += lineH;
7266     }
7267
7268     *width = w;
7269     *height = h;
7270 }
7271
7272 //
7273 // ------ Batch processing.
7274 //
7275 void wxGrid::EndBatch()
7276 {
7277     if ( m_batchCount > 0 )
7278     {
7279         m_batchCount--;
7280         if ( !m_batchCount )
7281         {
7282             CalcDimensions();
7283             m_rowLabelWin->Refresh();
7284             m_colLabelWin->Refresh();
7285             m_cornerLabelWin->Refresh();
7286             m_gridWin->Refresh();
7287         }
7288     }
7289 }
7290
7291 // Use this, rather than wxWindow::Refresh(), to force an immediate
7292 // repainting of the grid. Has no effect if you are already inside a
7293 // BeginBatch / EndBatch block.
7294 //
7295 void wxGrid::ForceRefresh()
7296 {
7297     BeginBatch();
7298     EndBatch();
7299 }
7300
7301
7302 //
7303 // ------ Edit control functions
7304 //
7305
7306
7307 void wxGrid::EnableEditing( bool edit )
7308 {
7309     // TODO: improve this ?
7310     //
7311     if ( edit != m_editable )
7312     {
7313         if(!edit) EnableCellEditControl(edit);
7314         m_editable = edit;
7315     }
7316 }
7317
7318
7319 void wxGrid::EnableCellEditControl( bool enable )
7320 {
7321     if (! m_editable)
7322         return;
7323
7324     if ( m_currentCellCoords == wxGridNoCellCoords )
7325         SetCurrentCell( 0, 0 );
7326
7327     if ( enable != m_cellEditCtrlEnabled )
7328     {
7329         if ( enable )
7330         {
7331             if (SendEvent( wxEVT_GRID_EDITOR_SHOWN) <0)
7332                 return;
7333
7334             // this should be checked by the caller!
7335             wxASSERT_MSG( CanEnableCellControl(),
7336                           _T("can't enable editing for this cell!") );
7337
7338             // do it before ShowCellEditControl()
7339             m_cellEditCtrlEnabled = enable;
7340
7341             ShowCellEditControl();
7342         }
7343         else
7344         {
7345             //FIXME:add veto support
7346             SendEvent( wxEVT_GRID_EDITOR_HIDDEN);
7347
7348             HideCellEditControl();
7349             SaveEditControlValue();
7350
7351             // do it after HideCellEditControl()
7352             m_cellEditCtrlEnabled = enable;
7353         }
7354     }
7355 }
7356
7357 bool wxGrid::IsCurrentCellReadOnly() const
7358 {
7359     // const_cast
7360     wxGridCellAttr* attr = ((wxGrid *)this)->GetCellAttr(m_currentCellCoords);
7361     bool readonly = attr->IsReadOnly();
7362     attr->DecRef();
7363
7364     return readonly;
7365 }
7366
7367 bool wxGrid::CanEnableCellControl() const
7368 {
7369     return m_editable && !IsCurrentCellReadOnly();
7370 }
7371
7372 bool wxGrid::IsCellEditControlEnabled() const
7373 {
7374     // the cell edit control might be disable for all cells or just for the
7375     // current one if it's read only
7376     return m_cellEditCtrlEnabled ? !IsCurrentCellReadOnly() : FALSE;
7377 }
7378
7379 bool wxGrid::IsCellEditControlShown() const
7380 {
7381     bool isShown = FALSE;
7382
7383     if ( m_cellEditCtrlEnabled )
7384     {
7385         int row = m_currentCellCoords.GetRow();
7386         int col = m_currentCellCoords.GetCol();
7387         wxGridCellAttr* attr = GetCellAttr(row, col);
7388         wxGridCellEditor* editor = attr->GetEditor((wxGrid*) this, row, col);
7389         attr->DecRef();
7390
7391         if ( editor )
7392         {
7393             if ( editor->IsCreated() )
7394             {
7395                 isShown = editor->GetControl()->IsShown();
7396             }
7397
7398             editor->DecRef();
7399         }
7400     }
7401
7402     return isShown;
7403 }
7404
7405 void wxGrid::ShowCellEditControl()
7406 {
7407     if ( IsCellEditControlEnabled() )
7408     {
7409         if ( !IsVisible( m_currentCellCoords ) )
7410         {
7411             m_cellEditCtrlEnabled = FALSE;
7412             return;
7413         }
7414         else
7415         {
7416             wxRect rect = CellToRect( m_currentCellCoords );
7417             int row = m_currentCellCoords.GetRow();
7418             int col = m_currentCellCoords.GetCol();
7419
7420             // if this is part of a multicell, find owner (topleft)
7421             int cell_rows, cell_cols;
7422             GetCellSize( row, col, &cell_rows, &cell_cols );
7423             if ( cell_rows <= 0 || cell_cols <= 0 )
7424             {
7425                 row += cell_rows;
7426                 col += cell_cols;
7427                 m_currentCellCoords.SetRow( row );
7428                 m_currentCellCoords.SetCol( col );
7429             }
7430
7431             // convert to scrolled coords
7432             //
7433             CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
7434
7435             // done in PaintBackground()
7436 #if 0
7437             // erase the highlight and the cell contents because the editor
7438             // might not cover the entire cell
7439             wxClientDC dc( m_gridWin );
7440             PrepareDC( dc );
7441             dc.SetBrush(*wxLIGHT_GREY_BRUSH); //wxBrush(attr->GetBackgroundColour(), wxSOLID));
7442             dc.SetPen(*wxTRANSPARENT_PEN);
7443             dc.DrawRectangle(rect);
7444 #endif // 0
7445
7446             // cell is shifted by one pixel
7447             // However, don't allow x or y to become negative
7448             // since the SetSize() method interprets that as
7449             // "don't change."
7450             if (rect.x > 0)
7451                 rect.x--;
7452             if (rect.y > 0)
7453                 rect.y--;
7454
7455             wxGridCellAttr* attr = GetCellAttr(row, col);
7456             wxGridCellEditor* editor = attr->GetEditor(this, row, col);
7457             if ( !editor->IsCreated() )
7458             {
7459                 editor->Create(m_gridWin, -1,
7460                                new wxGridCellEditorEvtHandler(this, editor));
7461
7462                 wxGridEditorCreatedEvent evt(GetId(),
7463                                              wxEVT_GRID_EDITOR_CREATED,
7464                                              this,
7465                                              row,
7466                                              col,
7467                                              editor->GetControl());
7468                 GetEventHandler()->ProcessEvent(evt);
7469             }
7470
7471
7472             // resize editor to overflow into righthand cells if allowed
7473             int maxWidth = rect.width;
7474             wxString value = GetCellValue(row, col);
7475             if ( (value != wxEmptyString) && (attr->GetOverflow()) )
7476             {
7477                 int y;
7478                 GetTextExtent(value, &maxWidth, &y,
7479                         NULL, NULL, &attr->GetFont());
7480                 if (maxWidth < rect.width) maxWidth = rect.width;
7481             }
7482             int client_right = m_gridWin->GetClientSize().GetWidth();
7483             if (rect.x+maxWidth > client_right)
7484                 maxWidth = client_right - rect.x;
7485
7486             if ((maxWidth > rect.width) && (col < m_numCols) && m_table)
7487             {
7488                 GetCellSize( row, col, &cell_rows, &cell_cols );
7489                 // may have changed earlier
7490                 for (int i = col+cell_cols; i < m_numCols; i++)
7491                 {
7492                     int c_rows, c_cols;
7493                     GetCellSize( row, i, &c_rows, &c_cols );
7494                     // looks weird going over a multicell
7495                     if (m_table->IsEmptyCell(row,i) &&
7496                             (rect.width < maxWidth) && (c_rows == 1))
7497                         rect.width += GetColWidth(i);
7498                     else
7499                         break;
7500                 }
7501                 if (rect.GetRight() > client_right)
7502                     rect.SetRight(client_right-1);
7503             }
7504
7505             editor->SetCellAttr(attr);
7506             editor->SetSize( rect );
7507             editor->Show( TRUE, attr );
7508
7509             // recalc dimensions in case we need to
7510             // expand the scrolled window to account for editor
7511             CalcDimensions();
7512
7513             editor->BeginEdit(row, col, this);
7514             editor->SetCellAttr(NULL);
7515
7516             editor->DecRef();
7517             attr->DecRef();
7518         }
7519     }
7520 }
7521
7522
7523 void wxGrid::HideCellEditControl()
7524 {
7525     if ( IsCellEditControlEnabled() )
7526     {
7527         int row = m_currentCellCoords.GetRow();
7528         int col = m_currentCellCoords.GetCol();
7529
7530         wxGridCellAttr* attr = GetCellAttr(row, col);
7531         wxGridCellEditor *editor = attr->GetEditor(this, row, col);
7532         editor->Show( FALSE );
7533         editor->DecRef();
7534         attr->DecRef();
7535         m_gridWin->SetFocus();
7536         // refresh whole row to the right
7537         wxRect rect( CellToRect(row, col) );
7538         CalcScrolledPosition(rect.x, rect.y, &rect.x, &rect.y );
7539         rect.width = m_gridWin->GetClientSize().GetWidth() - rect.x;
7540         m_gridWin->Refresh( FALSE, &rect );
7541     }
7542 }
7543
7544
7545 void wxGrid::SaveEditControlValue()
7546 {
7547     if ( IsCellEditControlEnabled() )
7548     {
7549         int row = m_currentCellCoords.GetRow();
7550         int col = m_currentCellCoords.GetCol();
7551
7552         wxString oldval = GetCellValue(row,col);
7553
7554         wxGridCellAttr* attr = GetCellAttr(row, col);
7555         wxGridCellEditor* editor = attr->GetEditor(this, row, col);
7556         bool changed = editor->EndEdit(row, col, this);
7557
7558         editor->DecRef();
7559         attr->DecRef();
7560
7561         if (changed)
7562         {
7563             if ( SendEvent( wxEVT_GRID_CELL_CHANGE,
7564                        m_currentCellCoords.GetRow(),
7565                        m_currentCellCoords.GetCol() ) < 0 ) {
7566
7567                 // Event has been vetoed, set the data back.
7568                 SetCellValue(row,col,oldval);
7569             }
7570         }
7571     }
7572 }
7573
7574
7575 //
7576 // ------ Grid location functions
7577 //  Note that all of these functions work with the logical coordinates of
7578 //  grid cells and labels so you will need to convert from device
7579 //  coordinates for mouse events etc.
7580 //
7581
7582 void wxGrid::XYToCell( int x, int y, wxGridCellCoords& coords )
7583 {
7584     int row = YToRow(y);
7585     int col = XToCol(x);
7586
7587     if ( row == -1  ||  col == -1 )
7588     {
7589         coords = wxGridNoCellCoords;
7590     }
7591     else
7592     {
7593         coords.Set( row, col );
7594     }
7595 }
7596
7597
7598 // Internal Helper function for computing row or column from some
7599 // (unscrolled) coordinate value, using either
7600 // m_defaultRowHeight/m_defaultColWidth or binary search on array
7601 // of m_rowBottoms/m_ColRights to speed up the search!
7602
7603 static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
7604                            const wxArrayInt& BorderArray, int nMax,
7605                            bool clipToMinMax)
7606 {
7607
7608     if (coord < 0)
7609         return clipToMinMax && (nMax > 0) ? 0 : -1;
7610
7611
7612     if (!defaultDist)
7613         defaultDist = 1;
7614
7615     size_t i_max = coord / defaultDist,
7616            i_min = 0;
7617
7618     if (BorderArray.IsEmpty())
7619     {
7620         if((int) i_max < nMax)
7621             return i_max;
7622         return clipToMinMax ? nMax - 1 : -1;
7623     }
7624
7625     if ( i_max >= BorderArray.GetCount())
7626         i_max = BorderArray.GetCount() - 1;
7627     else
7628     {
7629         if ( coord >= BorderArray[i_max])
7630         {
7631             i_min = i_max;
7632             i_max = coord / minDist;
7633         }
7634         if ( i_max >= BorderArray.GetCount())
7635             i_max = BorderArray.GetCount() - 1;
7636     }
7637     if ( coord >= BorderArray[i_max])
7638         return clipToMinMax ? (int)i_max : -1;
7639     if ( coord < BorderArray[0] )
7640         return 0;
7641
7642     while ( i_max - i_min > 0 )
7643     {
7644         wxCHECK_MSG(BorderArray[i_min] <= coord && coord < BorderArray[i_max],
7645                     0, _T("wxGrid: internal error in CoordToRowOrCol"));
7646         if (coord >=  BorderArray[ i_max - 1])
7647             return i_max;
7648         else
7649             i_max--;
7650         int median = i_min + (i_max - i_min + 1) / 2;
7651         if (coord < BorderArray[median])
7652             i_max = median;
7653         else
7654             i_min = median;
7655     }
7656     return i_max;
7657 }
7658
7659 int wxGrid::YToRow( int y )
7660 {
7661     return CoordToRowOrCol(y, m_defaultRowHeight,
7662                            WXGRID_MIN_ROW_HEIGHT, m_rowBottoms, m_numRows, FALSE);
7663 }
7664
7665
7666 int wxGrid::XToCol( int x )
7667 {
7668     return CoordToRowOrCol(x, m_defaultColWidth,
7669                            WXGRID_MIN_COL_WIDTH, m_colRights, m_numCols, FALSE);
7670 }
7671
7672
7673 // return the row number that that the y coord is near the edge of, or
7674 // -1 if not near an edge
7675 //
7676 int wxGrid::YToEdgeOfRow( int y )
7677 {
7678     int i;
7679     i = internalYToRow(y);
7680
7681     if ( GetRowHeight(i) > WXGRID_LABEL_EDGE_ZONE )
7682     {
7683         // We know that we are in row i, test whether we are
7684         // close enough to lower or upper border, respectively.
7685         if ( abs(GetRowBottom(i) - y) < WXGRID_LABEL_EDGE_ZONE )
7686             return i;
7687         else if( i > 0 && y - GetRowTop(i) < WXGRID_LABEL_EDGE_ZONE )
7688             return i - 1;
7689     }
7690
7691     return -1;
7692 }
7693
7694
7695 // return the col number that that the x coord is near the edge of, or
7696 // -1 if not near an edge
7697 //
7698 int wxGrid::XToEdgeOfCol( int x )
7699 {
7700     int i;
7701     i = internalXToCol(x);
7702
7703     if ( GetColWidth(i) > WXGRID_LABEL_EDGE_ZONE )
7704     {
7705         // We know that we are in column i,  test whether we are
7706         // close enough to right or left border, respectively.
7707         if ( abs(GetColRight(i) - x) < WXGRID_LABEL_EDGE_ZONE )
7708             return i;
7709         else if( i > 0 && x - GetColLeft(i) < WXGRID_LABEL_EDGE_ZONE )
7710             return i - 1;
7711     }
7712
7713     return -1;
7714 }
7715
7716
7717 wxRect wxGrid::CellToRect( int row, int col )
7718 {
7719     wxRect rect( -1, -1, -1, -1 );
7720
7721     if ( row >= 0  &&  row < m_numRows  &&
7722          col >= 0  &&  col < m_numCols )
7723     {
7724         int i, cell_rows, cell_cols;
7725         rect.width = rect.height = 0;
7726         GetCellSize( row, col, &cell_rows, &cell_cols );
7727         // if negative then find multicell owner
7728         if (cell_rows < 0) row += cell_rows;
7729         if (cell_cols < 0) col += cell_cols;
7730         GetCellSize( row, col, &cell_rows, &cell_cols );
7731
7732         rect.x = GetColLeft(col);
7733         rect.y = GetRowTop(row);
7734         for (i=col; i<col+cell_cols; i++)
7735             rect.width  += GetColWidth(i);
7736         for (i=row; i<row+cell_rows; i++)
7737             rect.height += GetRowHeight(i);
7738     }
7739
7740     // if grid lines are enabled, then the area of the cell is a bit smaller
7741     if (m_gridLinesEnabled) {
7742         rect.width -= 1;
7743         rect.height -= 1;
7744     }
7745     return rect;
7746 }
7747
7748
7749 bool wxGrid::IsVisible( int row, int col, bool wholeCellVisible )
7750 {
7751     // get the cell rectangle in logical coords
7752     //
7753     wxRect r( CellToRect( row, col ) );
7754
7755     // convert to device coords
7756     //
7757     int left, top, right, bottom;
7758     CalcScrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
7759     CalcScrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
7760
7761     // check against the client area of the grid window
7762     //
7763     int cw, ch;
7764     m_gridWin->GetClientSize( &cw, &ch );
7765
7766     if ( wholeCellVisible )
7767     {
7768         // is the cell wholly visible ?
7769         //
7770         return ( left >= 0  &&  right <= cw  &&
7771                  top >= 0  &&  bottom <= ch );
7772     }
7773     else
7774     {
7775         // is the cell partly visible ?
7776         //
7777         return ( ((left >=0 && left < cw) || (right > 0 && right <= cw))  &&
7778                  ((top >=0 && top < ch) || (bottom > 0 && bottom <= ch)) );
7779     }
7780 }
7781
7782
7783 // make the specified cell location visible by doing a minimal amount
7784 // of scrolling
7785 //
7786 void wxGrid::MakeCellVisible( int row, int col )
7787 {
7788
7789     int i;
7790     int xpos = -1, ypos = -1;
7791
7792     if ( row >= 0  &&  row < m_numRows  &&
7793          col >= 0  &&  col < m_numCols )
7794     {
7795         // get the cell rectangle in logical coords
7796         //
7797         wxRect r( CellToRect( row, col ) );
7798
7799         // convert to device coords
7800         //
7801         int left, top, right, bottom;
7802         CalcScrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
7803         CalcScrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
7804
7805         int cw, ch;
7806         m_gridWin->GetClientSize( &cw, &ch );
7807
7808         if ( top < 0 )
7809         {
7810             ypos = r.GetTop();
7811         }
7812         else if ( bottom > ch )
7813         {
7814             int h = r.GetHeight();
7815             ypos = r.GetTop();
7816             for ( i = row-1;  i >= 0;  i-- )
7817             {
7818                 int rowHeight = GetRowHeight(i);
7819                 if ( h + rowHeight > ch )
7820                     break;
7821
7822                 h += rowHeight;
7823                 ypos -= rowHeight;
7824             }
7825
7826             // we divide it later by GRID_SCROLL_LINE, make sure that we don't
7827             // have rounding errors (this is important, because if we do, we
7828             // might not scroll at all and some cells won't be redrawn)
7829             //
7830             // Sometimes GRID_SCROLL_LINE/2 is not enough, so just add a full
7831             // scroll unit...
7832             ypos += GRID_SCROLL_LINE_Y;
7833         }
7834
7835         if ( left < 0 )
7836         {
7837             xpos = r.GetLeft();
7838         }
7839         else if ( right > cw )
7840         {
7841             // position the view so that the cell is on the right
7842             int x0, y0;
7843             CalcUnscrolledPosition(0, 0, &x0, &y0);
7844             xpos = x0 + (right - cw);
7845
7846             // see comment for ypos above
7847             xpos += GRID_SCROLL_LINE_X;
7848         }
7849
7850         if ( xpos != -1  ||  ypos != -1 )
7851         {
7852             if ( xpos != -1 )
7853                 xpos /= GRID_SCROLL_LINE_X;
7854             if ( ypos != -1 )
7855                 ypos /= GRID_SCROLL_LINE_Y;
7856             Scroll( xpos, ypos );
7857             AdjustScrollbars();
7858         }
7859     }
7860 }
7861
7862
7863 //
7864 // ------ Grid cursor movement functions
7865 //
7866
7867 bool wxGrid::MoveCursorUp( bool expandSelection )
7868 {
7869     if ( m_currentCellCoords != wxGridNoCellCoords  &&
7870          m_currentCellCoords.GetRow() >= 0 )
7871     {
7872         if ( expandSelection)
7873         {
7874             if ( m_selectingKeyboard == wxGridNoCellCoords )
7875                 m_selectingKeyboard = m_currentCellCoords;
7876             if ( m_selectingKeyboard.GetRow() > 0 )
7877             {
7878                 m_selectingKeyboard.SetRow( m_selectingKeyboard.GetRow() - 1 );
7879                 MakeCellVisible( m_selectingKeyboard.GetRow(),
7880                                  m_selectingKeyboard.GetCol() );
7881                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7882             }
7883         }
7884         else if ( m_currentCellCoords.GetRow() > 0 )
7885         {
7886             ClearSelection();
7887             MakeCellVisible( m_currentCellCoords.GetRow() - 1,
7888                              m_currentCellCoords.GetCol() );
7889             SetCurrentCell( m_currentCellCoords.GetRow() - 1,
7890                             m_currentCellCoords.GetCol() );
7891         }
7892         else
7893             return FALSE;
7894         return TRUE;
7895     }
7896
7897     return FALSE;
7898 }
7899
7900
7901 bool wxGrid::MoveCursorDown( bool expandSelection )
7902 {
7903     if ( m_currentCellCoords != wxGridNoCellCoords  &&
7904          m_currentCellCoords.GetRow() < m_numRows )
7905     {
7906         if ( expandSelection )
7907         {
7908             if ( m_selectingKeyboard == wxGridNoCellCoords )
7909                 m_selectingKeyboard = m_currentCellCoords;
7910             if ( m_selectingKeyboard.GetRow() < m_numRows-1 )
7911             {
7912                 m_selectingKeyboard.SetRow( m_selectingKeyboard.GetRow() + 1 );
7913                 MakeCellVisible( m_selectingKeyboard.GetRow(),
7914                         m_selectingKeyboard.GetCol() );
7915                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7916             }
7917         }
7918         else if ( m_currentCellCoords.GetRow() < m_numRows - 1 )
7919         {
7920             ClearSelection();
7921             MakeCellVisible( m_currentCellCoords.GetRow() + 1,
7922                              m_currentCellCoords.GetCol() );
7923             SetCurrentCell( m_currentCellCoords.GetRow() + 1,
7924                             m_currentCellCoords.GetCol() );
7925         }
7926         else
7927             return FALSE;
7928         return TRUE;
7929     }
7930
7931     return FALSE;
7932 }
7933
7934
7935 bool wxGrid::MoveCursorLeft( bool expandSelection )
7936 {
7937     if ( m_currentCellCoords != wxGridNoCellCoords  &&
7938          m_currentCellCoords.GetCol() >= 0 )
7939     {
7940         if ( expandSelection )
7941         {
7942             if ( m_selectingKeyboard == wxGridNoCellCoords )
7943                 m_selectingKeyboard = m_currentCellCoords;
7944             if ( m_selectingKeyboard.GetCol() > 0 )
7945             {
7946                 m_selectingKeyboard.SetCol( m_selectingKeyboard.GetCol() - 1 );
7947                 MakeCellVisible( m_selectingKeyboard.GetRow(),
7948                         m_selectingKeyboard.GetCol() );
7949                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7950             }
7951         }
7952         else if ( m_currentCellCoords.GetCol() > 0 )
7953         {
7954             ClearSelection();
7955             MakeCellVisible( m_currentCellCoords.GetRow(),
7956                              m_currentCellCoords.GetCol() - 1 );
7957             SetCurrentCell( m_currentCellCoords.GetRow(),
7958                             m_currentCellCoords.GetCol() - 1 );
7959         }
7960         else
7961             return FALSE;
7962         return TRUE;
7963     }
7964
7965     return FALSE;
7966 }
7967
7968
7969 bool wxGrid::MoveCursorRight( bool expandSelection )
7970 {
7971     if ( m_currentCellCoords != wxGridNoCellCoords  &&
7972          m_currentCellCoords.GetCol() < m_numCols )
7973     {
7974         if ( expandSelection )
7975         {
7976             if ( m_selectingKeyboard == wxGridNoCellCoords )
7977                 m_selectingKeyboard = m_currentCellCoords;
7978             if ( m_selectingKeyboard.GetCol() < m_numCols - 1 )
7979             {
7980                 m_selectingKeyboard.SetCol( m_selectingKeyboard.GetCol() + 1 );
7981                 MakeCellVisible( m_selectingKeyboard.GetRow(),
7982                         m_selectingKeyboard.GetCol() );
7983                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
7984             }
7985         }
7986         else if ( m_currentCellCoords.GetCol() < m_numCols - 1 )
7987         {
7988             ClearSelection();
7989             MakeCellVisible( m_currentCellCoords.GetRow(),
7990                              m_currentCellCoords.GetCol() + 1 );
7991             SetCurrentCell( m_currentCellCoords.GetRow(),
7992                             m_currentCellCoords.GetCol() + 1 );
7993         }
7994         else
7995             return FALSE;
7996         return TRUE;
7997     }
7998
7999     return FALSE;
8000 }
8001
8002
8003 bool wxGrid::MovePageUp()
8004 {
8005     if ( m_currentCellCoords == wxGridNoCellCoords ) return FALSE;
8006
8007     int row = m_currentCellCoords.GetRow();
8008     if ( row > 0 )
8009     {
8010         int cw, ch;
8011         m_gridWin->GetClientSize( &cw, &ch );
8012
8013         int y = GetRowTop(row);
8014         int newRow = internalYToRow( y - ch + 1 );
8015
8016         if ( newRow == row )
8017         {
8018             //row > 0 , so newrow can never be less than 0 here.
8019             newRow = row - 1;
8020         }
8021
8022         MakeCellVisible( newRow, m_currentCellCoords.GetCol() );
8023         SetCurrentCell( newRow, m_currentCellCoords.GetCol() );
8024
8025         return TRUE;
8026     }
8027
8028     return FALSE;
8029 }
8030
8031 bool wxGrid::MovePageDown()
8032 {
8033     if ( m_currentCellCoords == wxGridNoCellCoords ) return FALSE;
8034
8035     int row = m_currentCellCoords.GetRow();
8036     if ( (row+1) < m_numRows )
8037     {
8038         int cw, ch;
8039         m_gridWin->GetClientSize( &cw, &ch );
8040
8041         int y = GetRowTop(row);
8042         int newRow = internalYToRow( y + ch );
8043         if ( newRow == row )
8044         {
8045             // row < m_numRows , so newrow can't overflow here.
8046             newRow = row + 1;
8047         }
8048
8049         MakeCellVisible( newRow, m_currentCellCoords.GetCol() );
8050         SetCurrentCell( newRow, m_currentCellCoords.GetCol() );
8051
8052         return TRUE;
8053     }
8054
8055     return FALSE;
8056 }
8057
8058 bool wxGrid::MoveCursorUpBlock( bool expandSelection )
8059 {
8060     if ( m_table &&
8061          m_currentCellCoords != wxGridNoCellCoords  &&
8062          m_currentCellCoords.GetRow() > 0 )
8063     {
8064         int row = m_currentCellCoords.GetRow();
8065         int col = m_currentCellCoords.GetCol();
8066
8067         if ( m_table->IsEmptyCell(row, col) )
8068         {
8069             // starting in an empty cell: find the next block of
8070             // non-empty cells
8071             //
8072             while ( row > 0 )
8073             {
8074                 row-- ;
8075                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
8076             }
8077         }
8078         else if ( m_table->IsEmptyCell(row-1, col) )
8079         {
8080             // starting at the top of a block: find the next block
8081             //
8082             row--;
8083             while ( row > 0 )
8084             {
8085                 row-- ;
8086                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
8087             }
8088         }
8089         else
8090         {
8091             // starting within a block: find the top of the block
8092             //
8093             while ( row > 0 )
8094             {
8095                 row-- ;
8096                 if ( m_table->IsEmptyCell(row, col) )
8097                 {
8098                     row++ ;
8099                     break;
8100                 }
8101             }
8102         }
8103
8104         MakeCellVisible( row, col );
8105         if ( expandSelection )
8106         {
8107             m_selectingKeyboard = wxGridCellCoords( row, col );
8108             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
8109         }
8110         else
8111         {
8112             ClearSelection();
8113             SetCurrentCell( row, col );
8114         }
8115         return TRUE;
8116     }
8117
8118     return FALSE;
8119 }
8120
8121 bool wxGrid::MoveCursorDownBlock( bool expandSelection )
8122 {
8123     if ( m_table &&
8124          m_currentCellCoords != wxGridNoCellCoords  &&
8125          m_currentCellCoords.GetRow() < m_numRows-1 )
8126     {
8127         int row = m_currentCellCoords.GetRow();
8128         int col = m_currentCellCoords.GetCol();
8129
8130         if ( m_table->IsEmptyCell(row, col) )
8131         {
8132             // starting in an empty cell: find the next block of
8133             // non-empty cells
8134             //
8135             while ( row < m_numRows-1 )
8136             {
8137                 row++ ;
8138                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
8139             }
8140         }
8141         else if ( m_table->IsEmptyCell(row+1, col) )
8142         {
8143             // starting at the bottom of a block: find the next block
8144             //
8145             row++;
8146             while ( row < m_numRows-1 )
8147             {
8148                 row++ ;
8149                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
8150             }
8151         }
8152         else
8153         {
8154             // starting within a block: find the bottom of the block
8155             //
8156             while ( row < m_numRows-1 )
8157             {
8158                 row++ ;
8159                 if ( m_table->IsEmptyCell(row, col) )
8160                 {
8161                     row-- ;
8162                     break;
8163                 }
8164             }
8165         }
8166
8167         MakeCellVisible( row, col );
8168         if ( expandSelection )
8169         {
8170             m_selectingKeyboard = wxGridCellCoords( row, col );
8171             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
8172         }
8173         else
8174         {
8175             ClearSelection();
8176             SetCurrentCell( row, col );
8177         }
8178
8179         return TRUE;
8180     }
8181
8182     return FALSE;
8183 }
8184
8185 bool wxGrid::MoveCursorLeftBlock( bool expandSelection )
8186 {
8187     if ( m_table &&
8188          m_currentCellCoords != wxGridNoCellCoords  &&
8189          m_currentCellCoords.GetCol() > 0 )
8190     {
8191         int row = m_currentCellCoords.GetRow();
8192         int col = m_currentCellCoords.GetCol();
8193
8194         if ( m_table->IsEmptyCell(row, col) )
8195         {
8196             // starting in an empty cell: find the next block of
8197             // non-empty cells
8198             //
8199             while ( col > 0 )
8200             {
8201                 col-- ;
8202                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
8203             }
8204         }
8205         else if ( m_table->IsEmptyCell(row, col-1) )
8206         {
8207             // starting at the left of a block: find the next block
8208             //
8209             col--;
8210             while ( col > 0 )
8211             {
8212                 col-- ;
8213                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
8214             }
8215         }
8216         else
8217         {
8218             // starting within a block: find the left of the block
8219             //
8220             while ( col > 0 )
8221             {
8222                 col-- ;
8223                 if ( m_table->IsEmptyCell(row, col) )
8224                 {
8225                     col++ ;
8226                     break;
8227                 }
8228             }
8229         }
8230
8231         MakeCellVisible( row, col );
8232         if ( expandSelection )
8233         {
8234             m_selectingKeyboard = wxGridCellCoords( row, col );
8235             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
8236         }
8237         else
8238         {
8239             ClearSelection();
8240             SetCurrentCell( row, col );
8241         }
8242
8243         return TRUE;
8244     }
8245
8246     return FALSE;
8247 }
8248
8249 bool wxGrid::MoveCursorRightBlock( bool expandSelection )
8250 {
8251     if ( m_table &&
8252          m_currentCellCoords != wxGridNoCellCoords  &&
8253          m_currentCellCoords.GetCol() < m_numCols-1 )
8254     {
8255         int row = m_currentCellCoords.GetRow();
8256         int col = m_currentCellCoords.GetCol();
8257
8258         if ( m_table->IsEmptyCell(row, col) )
8259         {
8260             // starting in an empty cell: find the next block of
8261             // non-empty cells
8262             //
8263             while ( col < m_numCols-1 )
8264             {
8265                 col++ ;
8266                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
8267             }
8268         }
8269         else if ( m_table->IsEmptyCell(row, col+1) )
8270         {
8271             // starting at the right of a block: find the next block
8272             //
8273             col++;
8274             while ( col < m_numCols-1 )
8275             {
8276                 col++ ;
8277                 if ( !(m_table->IsEmptyCell(row, col)) ) break;
8278             }
8279         }
8280         else
8281         {
8282             // starting within a block: find the right of the block
8283             //
8284             while ( col < m_numCols-1 )
8285             {
8286                 col++ ;
8287                 if ( m_table->IsEmptyCell(row, col) )
8288                 {
8289                     col-- ;
8290                     break;
8291                 }
8292             }
8293         }
8294
8295         MakeCellVisible( row, col );
8296         if ( expandSelection )
8297         {
8298             m_selectingKeyboard = wxGridCellCoords( row, col );
8299             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
8300         }
8301         else
8302         {
8303             ClearSelection();
8304             SetCurrentCell( row, col );
8305         }
8306
8307         return TRUE;
8308     }
8309
8310     return FALSE;
8311 }
8312
8313
8314
8315 //
8316 // ------ Label values and formatting
8317 //
8318
8319 void wxGrid::GetRowLabelAlignment( int *horiz, int *vert )
8320 {
8321     *horiz = m_rowLabelHorizAlign;
8322     *vert  = m_rowLabelVertAlign;
8323 }
8324
8325 void wxGrid::GetColLabelAlignment( int *horiz, int *vert )
8326 {
8327     *horiz = m_colLabelHorizAlign;
8328     *vert  = m_colLabelVertAlign;
8329 }
8330
8331 int wxGrid::GetColLabelTextOrientation()
8332 {
8333     return m_colLabelTextOrientation;
8334 }
8335
8336 wxString wxGrid::GetRowLabelValue( int row )
8337 {
8338     if ( m_table )
8339     {
8340         return m_table->GetRowLabelValue( row );
8341     }
8342     else
8343     {
8344         wxString s;
8345         s << row;
8346         return s;
8347     }
8348 }
8349
8350 wxString wxGrid::GetColLabelValue( int col )
8351 {
8352     if ( m_table )
8353     {
8354         return m_table->GetColLabelValue( col );
8355     }
8356     else
8357     {
8358         wxString s;
8359         s << col;
8360         return s;
8361     }
8362 }
8363
8364
8365 void wxGrid::SetRowLabelSize( int width )
8366 {
8367     width = wxMax( width, 0 );
8368     if ( width != m_rowLabelWidth )
8369     {
8370         if ( width == 0 )
8371         {
8372             m_rowLabelWin->Show( FALSE );
8373             m_cornerLabelWin->Show( FALSE );
8374         }
8375         else if ( m_rowLabelWidth == 0 )
8376         {
8377             m_rowLabelWin->Show( TRUE );
8378             if ( m_colLabelHeight > 0 ) m_cornerLabelWin->Show( TRUE );
8379         }
8380
8381         m_rowLabelWidth = width;
8382         CalcWindowSizes();
8383         wxScrolledWindow::Refresh( TRUE );
8384     }
8385 }
8386
8387
8388 void wxGrid::SetColLabelSize( int height )
8389 {
8390     height = wxMax( height, 0 );
8391     if ( height != m_colLabelHeight )
8392     {
8393         if ( height == 0 )
8394         {
8395             m_colLabelWin->Show( FALSE );
8396             m_cornerLabelWin->Show( FALSE );
8397         }
8398         else if ( m_colLabelHeight == 0 )
8399         {
8400             m_colLabelWin->Show( TRUE );
8401             if ( m_rowLabelWidth > 0 ) m_cornerLabelWin->Show( TRUE );
8402         }
8403
8404         m_colLabelHeight = height;
8405         CalcWindowSizes();
8406         wxScrolledWindow::Refresh( TRUE );
8407     }
8408 }
8409
8410
8411 void wxGrid::SetLabelBackgroundColour( const wxColour& colour )
8412 {
8413     if ( m_labelBackgroundColour != colour )
8414     {
8415         m_labelBackgroundColour = colour;
8416         m_rowLabelWin->SetBackgroundColour( colour );
8417         m_colLabelWin->SetBackgroundColour( colour );
8418         m_cornerLabelWin->SetBackgroundColour( colour );
8419
8420         if ( !GetBatchCount() )
8421         {
8422             m_rowLabelWin->Refresh();
8423             m_colLabelWin->Refresh();
8424             m_cornerLabelWin->Refresh();
8425         }
8426     }
8427 }
8428
8429 void wxGrid::SetLabelTextColour( const wxColour& colour )
8430 {
8431     if ( m_labelTextColour != colour )
8432     {
8433         m_labelTextColour = colour;
8434         if ( !GetBatchCount() )
8435         {
8436             m_rowLabelWin->Refresh();
8437             m_colLabelWin->Refresh();
8438         }
8439     }
8440 }
8441
8442 void wxGrid::SetLabelFont( const wxFont& font )
8443 {
8444     m_labelFont = font;
8445     if ( !GetBatchCount() )
8446     {
8447         m_rowLabelWin->Refresh();
8448         m_colLabelWin->Refresh();
8449     }
8450 }
8451
8452 void wxGrid::SetRowLabelAlignment( int horiz, int vert )
8453 {
8454     // allow old (incorrect) defs to be used
8455     switch ( horiz )
8456     {
8457         case wxLEFT:   horiz = wxALIGN_LEFT; break;
8458         case wxRIGHT:  horiz = wxALIGN_RIGHT; break;
8459         case wxCENTRE: horiz = wxALIGN_CENTRE; break;
8460     }
8461
8462     switch ( vert )
8463     {
8464         case wxTOP:    vert = wxALIGN_TOP;    break;
8465         case wxBOTTOM: vert = wxALIGN_BOTTOM; break;
8466         case wxCENTRE: vert = wxALIGN_CENTRE; break;
8467     }
8468
8469     if ( horiz == wxALIGN_LEFT || horiz == wxALIGN_CENTRE || horiz == wxALIGN_RIGHT )
8470     {
8471         m_rowLabelHorizAlign = horiz;
8472     }
8473
8474     if ( vert == wxALIGN_TOP || vert == wxALIGN_CENTRE || vert == wxALIGN_BOTTOM )
8475     {
8476         m_rowLabelVertAlign = vert;
8477     }
8478
8479     if ( !GetBatchCount() )
8480     {
8481         m_rowLabelWin->Refresh();
8482     }
8483 }
8484
8485 void wxGrid::SetColLabelAlignment( int horiz, int vert )
8486 {
8487     // allow old (incorrect) defs to be used
8488     switch ( horiz )
8489     {
8490         case wxLEFT:   horiz = wxALIGN_LEFT; break;
8491         case wxRIGHT:  horiz = wxALIGN_RIGHT; break;
8492         case wxCENTRE: horiz = wxALIGN_CENTRE; break;
8493     }
8494
8495     switch ( vert )
8496     {
8497         case wxTOP:    vert = wxALIGN_TOP;    break;
8498         case wxBOTTOM: vert = wxALIGN_BOTTOM; break;
8499         case wxCENTRE: vert = wxALIGN_CENTRE; break;
8500     }
8501
8502     if ( horiz == wxALIGN_LEFT || horiz == wxALIGN_CENTRE || horiz == wxALIGN_RIGHT )
8503     {
8504         m_colLabelHorizAlign = horiz;
8505     }
8506
8507     if ( vert == wxALIGN_TOP || vert == wxALIGN_CENTRE || vert == wxALIGN_BOTTOM )
8508     {
8509         m_colLabelVertAlign = vert;
8510     }
8511
8512     if ( !GetBatchCount() )
8513     {
8514         m_colLabelWin->Refresh();
8515     }
8516 }
8517
8518 // Note:        under MSW, the default column label font must be changed because it
8519 //                              does not support vertical printing
8520 //
8521 // Example: wxFont font(9, wxSWISS, wxNORMAL, wxBOLD);
8522 //                              pGrid->SetLabelFont(font);
8523 //              pGrid->SetColLabelTextOrientation(wxVERTICAL);
8524 //
8525 void wxGrid::SetColLabelTextOrientation( int textOrientation )
8526 {
8527     if( textOrientation == wxHORIZONTAL || textOrientation == wxVERTICAL )
8528     {
8529         m_colLabelTextOrientation = textOrientation;
8530     }
8531
8532     if ( !GetBatchCount() )
8533     {
8534         m_colLabelWin->Refresh();
8535     }
8536 }
8537
8538 void wxGrid::SetRowLabelValue( int row, const wxString& s )
8539 {
8540     if ( m_table )
8541     {
8542         m_table->SetRowLabelValue( row, s );
8543         if ( !GetBatchCount() )
8544         {
8545             wxRect rect = CellToRect( row, 0);
8546             if ( rect.height > 0 )
8547             {
8548                 CalcScrolledPosition(0, rect.y, &rect.x, &rect.y);
8549                 rect.x = 0;
8550                 rect.width = m_rowLabelWidth;
8551                 m_rowLabelWin->Refresh( TRUE, &rect );
8552             }
8553         }
8554     }
8555 }
8556
8557 void wxGrid::SetColLabelValue( int col, const wxString& s )
8558 {
8559     if ( m_table )
8560     {
8561         m_table->SetColLabelValue( col, s );
8562         if ( !GetBatchCount() )
8563         {
8564             wxRect rect = CellToRect( 0, col );
8565             if ( rect.width > 0 )
8566             {
8567                 CalcScrolledPosition(rect.x, 0, &rect.x, &rect.y);
8568                 rect.y = 0;
8569                 rect.height = m_colLabelHeight;
8570                 m_colLabelWin->Refresh( TRUE, &rect );
8571             }
8572         }
8573     }
8574 }
8575
8576 void wxGrid::SetGridLineColour( const wxColour& colour )
8577 {
8578     if ( m_gridLineColour != colour )
8579     {
8580         m_gridLineColour = colour;
8581
8582         wxClientDC dc( m_gridWin );
8583         PrepareDC( dc );
8584         DrawAllGridLines( dc, wxRegion() );
8585     }
8586 }
8587
8588
8589 void wxGrid::SetCellHighlightColour( const wxColour& colour )
8590 {
8591     if ( m_cellHighlightColour != colour )
8592     {
8593         m_cellHighlightColour = colour;
8594
8595         wxClientDC dc( m_gridWin );
8596         PrepareDC( dc );
8597         wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords);
8598         DrawCellHighlight(dc, attr);
8599         attr->DecRef();
8600     }
8601 }
8602
8603 void wxGrid::SetCellHighlightPenWidth(int width)
8604 {
8605     if (m_cellHighlightPenWidth != width) {
8606         m_cellHighlightPenWidth = width;
8607
8608         // Just redrawing the cell highlight is not enough since that won't
8609         // make any visible change if the the thickness is getting smaller.
8610         int row = m_currentCellCoords.GetRow();
8611         int col = m_currentCellCoords.GetCol();
8612         if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
8613             return;
8614         wxRect rect = CellToRect(row, col);
8615         m_gridWin->Refresh(TRUE, &rect);
8616     }
8617 }
8618
8619 void wxGrid::SetCellHighlightROPenWidth(int width)
8620 {
8621     if (m_cellHighlightROPenWidth != width) {
8622         m_cellHighlightROPenWidth = width;
8623
8624         // Just redrawing the cell highlight is not enough since that won't
8625         // make any visible change if the the thickness is getting smaller.
8626         int row = m_currentCellCoords.GetRow();
8627         int col = m_currentCellCoords.GetCol();
8628         if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
8629             return;
8630         wxRect rect = CellToRect(row, col);
8631         m_gridWin->Refresh(TRUE, &rect);
8632     }
8633 }
8634
8635 void wxGrid::EnableGridLines( bool enable )
8636 {
8637     if ( enable != m_gridLinesEnabled )
8638     {
8639         m_gridLinesEnabled = enable;
8640
8641         if ( !GetBatchCount() )
8642         {
8643             if ( enable )
8644             {
8645                 wxClientDC dc( m_gridWin );
8646                 PrepareDC( dc );
8647                 DrawAllGridLines( dc, wxRegion() );
8648             }
8649             else
8650             {
8651                 m_gridWin->Refresh();
8652             }
8653         }
8654     }
8655 }
8656
8657
8658 int wxGrid::GetDefaultRowSize()
8659 {
8660     return m_defaultRowHeight;
8661 }
8662
8663 int wxGrid::GetRowSize( int row )
8664 {
8665     wxCHECK_MSG( row >= 0 && row < m_numRows, 0, _T("invalid row index") );
8666
8667     return GetRowHeight(row);
8668 }
8669
8670 int wxGrid::GetDefaultColSize()
8671 {
8672     return m_defaultColWidth;
8673 }
8674
8675 int wxGrid::GetColSize( int col )
8676 {
8677     wxCHECK_MSG( col >= 0 && col < m_numCols, 0, _T("invalid column index") );
8678
8679     return GetColWidth(col);
8680 }
8681
8682 // ============================================================================
8683 // access to the grid attributes: each of them has a default value in the grid
8684 // itself and may be overidden on a per-cell basis
8685 // ============================================================================
8686
8687 // ----------------------------------------------------------------------------
8688 // setting default attributes
8689 // ----------------------------------------------------------------------------
8690
8691 void wxGrid::SetDefaultCellBackgroundColour( const wxColour& col )
8692 {
8693     m_defaultCellAttr->SetBackgroundColour(col);
8694 #ifdef __WXGTK__
8695     m_gridWin->SetBackgroundColour(col);
8696 #endif
8697 }
8698
8699 void wxGrid::SetDefaultCellTextColour( const wxColour& col )
8700 {
8701     m_defaultCellAttr->SetTextColour(col);
8702 }
8703
8704 void wxGrid::SetDefaultCellAlignment( int horiz, int vert )
8705 {
8706     m_defaultCellAttr->SetAlignment(horiz, vert);
8707 }
8708
8709 void wxGrid::SetDefaultCellOverflow( bool allow )
8710 {
8711     m_defaultCellAttr->SetOverflow(allow);
8712 }
8713
8714 void wxGrid::SetDefaultCellFont( const wxFont& font )
8715 {
8716     m_defaultCellAttr->SetFont(font);
8717 }
8718
8719 void wxGrid::SetDefaultRenderer(wxGridCellRenderer *renderer)
8720 {
8721     m_defaultCellAttr->SetRenderer(renderer);
8722 }
8723
8724 void wxGrid::SetDefaultEditor(wxGridCellEditor *editor)
8725 {
8726     m_defaultCellAttr->SetEditor(editor);
8727 }
8728
8729 // ----------------------------------------------------------------------------
8730 // access to the default attrbiutes
8731 // ----------------------------------------------------------------------------
8732
8733 wxColour wxGrid::GetDefaultCellBackgroundColour()
8734 {
8735     return m_defaultCellAttr->GetBackgroundColour();
8736 }
8737
8738 wxColour wxGrid::GetDefaultCellTextColour()
8739 {
8740     return m_defaultCellAttr->GetTextColour();
8741 }
8742
8743 wxFont wxGrid::GetDefaultCellFont()
8744 {
8745     return m_defaultCellAttr->GetFont();
8746 }
8747
8748 void wxGrid::GetDefaultCellAlignment( int *horiz, int *vert )
8749 {
8750     m_defaultCellAttr->GetAlignment(horiz, vert);
8751 }
8752
8753 bool wxGrid::GetDefaultCellOverflow()
8754 {
8755     return m_defaultCellAttr->GetOverflow();
8756 }
8757
8758 wxGridCellRenderer *wxGrid::GetDefaultRenderer() const
8759 {
8760     return m_defaultCellAttr->GetRenderer(NULL, 0, 0);
8761 }
8762
8763 wxGridCellEditor *wxGrid::GetDefaultEditor() const
8764 {
8765     return m_defaultCellAttr->GetEditor(NULL,0,0);
8766 }
8767
8768 // ----------------------------------------------------------------------------
8769 // access to cell attributes
8770 // ----------------------------------------------------------------------------
8771
8772 wxColour wxGrid::GetCellBackgroundColour(int row, int col)
8773 {
8774     wxGridCellAttr *attr = GetCellAttr(row, col);
8775     wxColour colour = attr->GetBackgroundColour();
8776     attr->DecRef();
8777     return colour;
8778 }
8779
8780 wxColour wxGrid::GetCellTextColour( int row, int col )
8781 {
8782     wxGridCellAttr *attr = GetCellAttr(row, col);
8783     wxColour colour = attr->GetTextColour();
8784     attr->DecRef();
8785     return colour;
8786 }
8787
8788 wxFont wxGrid::GetCellFont( int row, int col )
8789 {
8790     wxGridCellAttr *attr = GetCellAttr(row, col);
8791     wxFont font = attr->GetFont();
8792     attr->DecRef();
8793     return font;
8794 }
8795
8796 void wxGrid::GetCellAlignment( int row, int col, int *horiz, int *vert )
8797 {
8798     wxGridCellAttr *attr = GetCellAttr(row, col);
8799     attr->GetAlignment(horiz, vert);
8800     attr->DecRef();
8801 }
8802
8803 bool wxGrid::GetCellOverflow( int row, int col )
8804 {
8805     wxGridCellAttr *attr = GetCellAttr(row, col);
8806     bool allow = attr->GetOverflow();
8807     attr->DecRef();
8808     return allow;
8809 }
8810
8811 void wxGrid::GetCellSize( int row, int col, int *num_rows, int *num_cols )
8812 {
8813     wxGridCellAttr *attr = GetCellAttr(row, col);
8814     attr->GetSize( num_rows, num_cols );
8815     attr->DecRef();
8816 }
8817
8818 wxGridCellRenderer* wxGrid::GetCellRenderer(int row, int col)
8819 {
8820     wxGridCellAttr* attr = GetCellAttr(row, col);
8821     wxGridCellRenderer* renderer = attr->GetRenderer(this, row, col);
8822     attr->DecRef();
8823
8824     return renderer;
8825 }
8826
8827 wxGridCellEditor* wxGrid::GetCellEditor(int row, int col)
8828 {
8829     wxGridCellAttr* attr = GetCellAttr(row, col);
8830     wxGridCellEditor* editor = attr->GetEditor(this, row, col);
8831     attr->DecRef();
8832
8833     return editor;
8834 }
8835
8836 bool wxGrid::IsReadOnly(int row, int col) const
8837 {
8838     wxGridCellAttr* attr = GetCellAttr(row, col);
8839     bool isReadOnly = attr->IsReadOnly();
8840     attr->DecRef();
8841     return isReadOnly;
8842 }
8843
8844 // ----------------------------------------------------------------------------
8845 // attribute support: cache, automatic provider creation, ...
8846 // ----------------------------------------------------------------------------
8847
8848 bool wxGrid::CanHaveAttributes()
8849 {
8850     if ( !m_table )
8851     {
8852         return FALSE;
8853     }
8854
8855     return m_table->CanHaveAttributes();
8856 }
8857
8858 void wxGrid::ClearAttrCache()
8859 {
8860     if ( m_attrCache.row != -1 )
8861     {
8862         wxSafeDecRef(m_attrCache.attr);
8863         m_attrCache.attr = NULL;
8864         m_attrCache.row = -1;
8865     }
8866 }
8867
8868 void wxGrid::CacheAttr(int row, int col, wxGridCellAttr *attr) const
8869 {
8870     if ( attr != NULL )
8871     {
8872         wxGrid *self = (wxGrid *)this;  // const_cast
8873
8874         self->ClearAttrCache();
8875         self->m_attrCache.row = row;
8876         self->m_attrCache.col = col;
8877         self->m_attrCache.attr = attr;
8878         wxSafeIncRef(attr);
8879     }
8880 }
8881
8882 bool wxGrid::LookupAttr(int row, int col, wxGridCellAttr **attr) const
8883 {
8884     if ( row == m_attrCache.row && col == m_attrCache.col )
8885     {
8886         *attr = m_attrCache.attr;
8887         wxSafeIncRef(m_attrCache.attr);
8888
8889 #ifdef DEBUG_ATTR_CACHE
8890         gs_nAttrCacheHits++;
8891 #endif
8892
8893         return TRUE;
8894     }
8895     else
8896     {
8897 #ifdef DEBUG_ATTR_CACHE
8898         gs_nAttrCacheMisses++;
8899 #endif
8900         return FALSE;
8901     }
8902 }
8903
8904 wxGridCellAttr *wxGrid::GetCellAttr(int row, int col) const
8905 {
8906     wxGridCellAttr *attr = NULL;
8907     // Additional test to avoid looking at the cache e.g. for
8908     // wxNoCellCoords, as this will confuse memory management.
8909     if ( row >= 0 )
8910     {
8911         if ( !LookupAttr(row, col, &attr) )
8912         {
8913             attr = m_table ? m_table->GetAttr(row, col , wxGridCellAttr::Any)
8914                            : (wxGridCellAttr *)NULL;
8915             CacheAttr(row, col, attr);
8916         }
8917     }
8918     if (attr)
8919     {
8920         attr->SetDefAttr(m_defaultCellAttr);
8921     }
8922     else
8923     {
8924         attr = m_defaultCellAttr;
8925         attr->IncRef();
8926     }
8927
8928     return attr;
8929 }
8930
8931 wxGridCellAttr *wxGrid::GetOrCreateCellAttr(int row, int col) const
8932 {
8933     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
8934
8935     wxCHECK_MSG( m_table, attr,
8936                   _T("we may only be called if CanHaveAttributes() returned TRUE and then m_table should be !NULL") );
8937
8938     attr = m_table->GetAttr(row, col, wxGridCellAttr::Cell);
8939     if ( !attr )
8940     {
8941         attr = new wxGridCellAttr(m_defaultCellAttr);
8942
8943         // artificially inc the ref count to match DecRef() in caller
8944         attr->IncRef();
8945         m_table->SetAttr(attr, row, col);
8946     }
8947
8948     return attr;
8949 }
8950
8951 // ----------------------------------------------------------------------------
8952 // setting column attributes (wrappers around SetColAttr)
8953 // ----------------------------------------------------------------------------
8954
8955 void wxGrid::SetColFormatBool(int col)
8956 {
8957     SetColFormatCustom(col, wxGRID_VALUE_BOOL);
8958 }
8959
8960 void wxGrid::SetColFormatNumber(int col)
8961 {
8962     SetColFormatCustom(col, wxGRID_VALUE_NUMBER);
8963 }
8964
8965 void wxGrid::SetColFormatFloat(int col, int width, int precision)
8966 {
8967     wxString typeName = wxGRID_VALUE_FLOAT;
8968     if ( (width != -1) || (precision != -1) )
8969     {
8970         typeName << _T(':') << width << _T(',') << precision;
8971     }
8972
8973     SetColFormatCustom(col, typeName);
8974 }
8975
8976 void wxGrid::SetColFormatCustom(int col, const wxString& typeName)
8977 {
8978     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
8979
8980     attr = m_table->GetAttr(-1, col, wxGridCellAttr::Col );
8981     if(!attr)
8982         attr = new wxGridCellAttr;
8983     wxGridCellRenderer *renderer = GetDefaultRendererForType(typeName);
8984     attr->SetRenderer(renderer);
8985
8986     SetColAttr(col, attr);
8987
8988 }
8989
8990 // ----------------------------------------------------------------------------
8991 // setting cell attributes: this is forwarded to the table
8992 // ----------------------------------------------------------------------------
8993
8994 void wxGrid::SetAttr(int row, int col, wxGridCellAttr *attr)
8995 {
8996     if ( CanHaveAttributes() )
8997     {
8998         m_table->SetAttr(attr, row, col);
8999         ClearAttrCache();
9000     }
9001     else
9002     {
9003         wxSafeDecRef(attr);
9004     }
9005 }
9006
9007 void wxGrid::SetRowAttr(int row, wxGridCellAttr *attr)
9008 {
9009     if ( CanHaveAttributes() )
9010     {
9011         m_table->SetRowAttr(attr, row);
9012         ClearAttrCache();
9013     }
9014     else
9015     {
9016         wxSafeDecRef(attr);
9017     }
9018 }
9019
9020 void wxGrid::SetColAttr(int col, wxGridCellAttr *attr)
9021 {
9022     if ( CanHaveAttributes() )
9023     {
9024         m_table->SetColAttr(attr, col);
9025         ClearAttrCache();
9026     }
9027     else
9028     {
9029         wxSafeDecRef(attr);
9030     }
9031 }
9032
9033 void wxGrid::SetCellBackgroundColour( int row, int col, const wxColour& colour )
9034 {
9035     if ( CanHaveAttributes() )
9036     {
9037         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
9038         attr->SetBackgroundColour(colour);
9039         attr->DecRef();
9040     }
9041 }
9042
9043 void wxGrid::SetCellTextColour( int row, int col, const wxColour& colour )
9044 {
9045     if ( CanHaveAttributes() )
9046     {
9047         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
9048         attr->SetTextColour(colour);
9049         attr->DecRef();
9050     }
9051 }
9052
9053 void wxGrid::SetCellFont( int row, int col, const wxFont& font )
9054 {
9055     if ( CanHaveAttributes() )
9056     {
9057         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
9058         attr->SetFont(font);
9059         attr->DecRef();
9060     }
9061 }
9062
9063 void wxGrid::SetCellAlignment( int row, int col, int horiz, int vert )
9064 {
9065     if ( CanHaveAttributes() )
9066     {
9067         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
9068         attr->SetAlignment(horiz, vert);
9069         attr->DecRef();
9070     }
9071 }
9072
9073 void wxGrid::SetCellOverflow( int row, int col, bool allow )
9074 {
9075     if ( CanHaveAttributes() )
9076     {
9077         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
9078         attr->SetOverflow(allow);
9079         attr->DecRef();
9080     }
9081 }
9082
9083 void wxGrid::SetCellSize( int row, int col, int num_rows, int num_cols )
9084 {
9085     if ( CanHaveAttributes() )
9086     {
9087         int cell_rows, cell_cols;
9088
9089         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
9090         attr->GetSize(&cell_rows, &cell_cols);
9091         attr->SetSize(num_rows, num_cols);
9092         attr->DecRef();
9093
9094         // Cannot set the size of a cell to 0 or negative values
9095         // While it is perfectly legal to do that, this function cannot
9096         // handle all the possibilies, do it by hand by getting the CellAttr.
9097         // You can only set the size of a cell to 1,1 or greater with this fn
9098         wxASSERT_MSG( !((cell_rows < 1) || (cell_cols < 1)),
9099                       wxT("wxGrid::SetCellSize setting cell size that is already part of another cell"));
9100         wxASSERT_MSG( !((num_rows < 1) || (num_cols < 1)),
9101                       wxT("wxGrid::SetCellSize setting cell size to < 1"));
9102
9103         // if this was already a multicell then "turn off" the other cells first
9104         if ((cell_rows > 1) || (cell_rows > 1))
9105         {
9106             int i, j;
9107             for (j=row; j<row+cell_rows; j++)
9108             {
9109                 for (i=col; i<col+cell_cols; i++)
9110                 {
9111                     if ((i != col) || (j != row))
9112                     {
9113                         wxGridCellAttr *attr_stub = GetOrCreateCellAttr(j, i);
9114                         attr_stub->SetSize( 1, 1 );
9115                         attr_stub->DecRef();
9116                     }
9117                 }
9118             }
9119         }
9120
9121         // mark the cells that will be covered by this cell to
9122         // negative or zero values to point back at this cell
9123         if (((num_rows > 1) || (num_cols > 1)) && (num_rows >= 1) && (num_cols >= 1))
9124         {
9125             int i, j;
9126             for (j=row; j<row+num_rows; j++)
9127             {
9128                 for (i=col; i<col+num_cols; i++)
9129                 {
9130                     if ((i != col) || (j != row))
9131                     {
9132                         wxGridCellAttr *attr_stub = GetOrCreateCellAttr(j, i);
9133                         attr_stub->SetSize( row-j, col-i );
9134                         attr_stub->DecRef();
9135                     }
9136                 }
9137             }
9138         }
9139     }
9140 }
9141
9142 void wxGrid::SetCellRenderer(int row, int col, wxGridCellRenderer *renderer)
9143 {
9144     if ( CanHaveAttributes() )
9145     {
9146         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
9147         attr->SetRenderer(renderer);
9148         attr->DecRef();
9149     }
9150 }
9151
9152 void wxGrid::SetCellEditor(int row, int col, wxGridCellEditor* editor)
9153 {
9154     if ( CanHaveAttributes() )
9155     {
9156         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
9157         attr->SetEditor(editor);
9158         attr->DecRef();
9159     }
9160 }
9161
9162 void wxGrid::SetReadOnly(int row, int col, bool isReadOnly)
9163 {
9164     if ( CanHaveAttributes() )
9165     {
9166         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
9167         attr->SetReadOnly(isReadOnly);
9168         attr->DecRef();
9169     }
9170 }
9171
9172 // ----------------------------------------------------------------------------
9173 // Data type registration
9174 // ----------------------------------------------------------------------------
9175
9176 void wxGrid::RegisterDataType(const wxString& typeName,
9177                               wxGridCellRenderer* renderer,
9178                               wxGridCellEditor* editor)
9179 {
9180     m_typeRegistry->RegisterDataType(typeName, renderer, editor);
9181 }
9182
9183
9184 wxGridCellEditor* wxGrid::GetDefaultEditorForCell(int row, int col) const
9185 {
9186     wxString typeName = m_table->GetTypeName(row, col);
9187     return GetDefaultEditorForType(typeName);
9188 }
9189
9190 wxGridCellRenderer* wxGrid::GetDefaultRendererForCell(int row, int col) const
9191 {
9192     wxString typeName = m_table->GetTypeName(row, col);
9193     return GetDefaultRendererForType(typeName);
9194 }
9195
9196 wxGridCellEditor*
9197 wxGrid::GetDefaultEditorForType(const wxString& typeName) const
9198 {
9199     int index = m_typeRegistry->FindOrCloneDataType(typeName);
9200     if ( index == wxNOT_FOUND )
9201     {
9202         wxFAIL_MSG(wxT("Unknown data type name"));
9203
9204         return NULL;
9205     }
9206
9207     return m_typeRegistry->GetEditor(index);
9208 }
9209
9210 wxGridCellRenderer*
9211 wxGrid::GetDefaultRendererForType(const wxString& typeName) const
9212 {
9213     int index = m_typeRegistry->FindOrCloneDataType(typeName);
9214     if ( index == wxNOT_FOUND )
9215     {
9216         wxFAIL_MSG(wxT("Unknown data type name"));
9217
9218         return NULL;
9219     }
9220
9221     return m_typeRegistry->GetRenderer(index);
9222 }
9223
9224
9225 // ----------------------------------------------------------------------------
9226 // row/col size
9227 // ----------------------------------------------------------------------------
9228
9229 void wxGrid::EnableDragRowSize( bool enable )
9230 {
9231     m_canDragRowSize = enable;
9232 }
9233
9234
9235 void wxGrid::EnableDragColSize( bool enable )
9236 {
9237     m_canDragColSize = enable;
9238 }
9239
9240 void wxGrid::EnableDragGridSize( bool enable )
9241 {
9242     m_canDragGridSize = enable;
9243 }
9244
9245
9246 void wxGrid::SetDefaultRowSize( int height, bool resizeExistingRows )
9247 {
9248     m_defaultRowHeight = wxMax( height, WXGRID_MIN_ROW_HEIGHT );
9249
9250     if ( resizeExistingRows )
9251     {
9252         // since we are resizing all rows to the default row size,
9253         // we can simply clear the row heights and row bottoms
9254         // arrays (which also allows us to take advantage of
9255         // some speed optimisations)
9256         m_rowHeights.Empty();
9257         m_rowBottoms.Empty();
9258         if ( !GetBatchCount() )
9259             CalcDimensions();
9260     }
9261 }
9262
9263 void wxGrid::SetRowSize( int row, int height )
9264 {
9265     wxCHECK_RET( row >= 0 && row < m_numRows, _T("invalid row index") );
9266
9267     if ( m_rowHeights.IsEmpty() )
9268     {
9269         // need to really create the array
9270         InitRowHeights();
9271     }
9272
9273     int h = wxMax( 0, height );
9274     int diff = h - m_rowHeights[row];
9275
9276     m_rowHeights[row] = h;
9277     int i;
9278     for ( i = row;  i < m_numRows;  i++ )
9279     {
9280         m_rowBottoms[i] += diff;
9281     }
9282     if ( !GetBatchCount() )
9283         CalcDimensions();
9284 }
9285
9286 void wxGrid::SetDefaultColSize( int width, bool resizeExistingCols )
9287 {
9288     m_defaultColWidth = wxMax( width, WXGRID_MIN_COL_WIDTH );
9289
9290     if ( resizeExistingCols )
9291     {
9292         // since we are resizing all columns to the default column size,
9293         // we can simply clear the col widths and col rights
9294         // arrays (which also allows us to take advantage of
9295         // some speed optimisations)
9296         m_colWidths.Empty();
9297         m_colRights.Empty();
9298         if ( !GetBatchCount() )
9299             CalcDimensions();
9300     }
9301 }
9302
9303 void wxGrid::SetColSize( int col, int width )
9304 {
9305     wxCHECK_RET( col >= 0 && col < m_numCols, _T("invalid column index") );
9306
9307     // should we check that it's bigger than GetColMinimalWidth(col) here?
9308
9309     if ( m_colWidths.IsEmpty() )
9310     {
9311         // need to really create the array
9312         InitColWidths();
9313     }
9314
9315     // if < 0 calc new width from label
9316     if( width < 0 )
9317     {
9318       long w, h;
9319       wxArrayString lines;
9320       wxClientDC dc(m_colLabelWin);
9321       dc.SetFont(GetLabelFont());
9322       StringToLines(GetColLabelValue(col), lines);
9323       GetTextBoxSize(dc, lines, &w, &h);
9324       width = w + 6;
9325     }
9326     int w = wxMax( 0, width );
9327     int diff = w - m_colWidths[col];
9328     m_colWidths[col] = w;
9329
9330     int i;
9331     for ( i = col;  i < m_numCols;  i++ )
9332     {
9333         m_colRights[i] += diff;
9334     }
9335     if ( !GetBatchCount() )
9336         CalcDimensions();
9337 }
9338
9339
9340 void wxGrid::SetColMinimalWidth( int col, int width )
9341 {
9342     m_colMinWidths.Put(col, width);
9343 }
9344
9345 void wxGrid::SetRowMinimalHeight( int row, int width )
9346 {
9347     m_rowMinHeights.Put(row, width);
9348 }
9349
9350 int wxGrid::GetColMinimalWidth(int col) const
9351 {
9352     long value = m_colMinWidths.Get(col);
9353     return value != wxNOT_FOUND ? (int)value : WXGRID_MIN_COL_WIDTH;
9354 }
9355
9356 int wxGrid::GetRowMinimalHeight(int row) const
9357 {
9358     long value = m_rowMinHeights.Get(row);
9359     return value != wxNOT_FOUND ? (int)value : WXGRID_MIN_ROW_HEIGHT;
9360 }
9361
9362 // ----------------------------------------------------------------------------
9363 // auto sizing
9364 // ----------------------------------------------------------------------------
9365
9366 void wxGrid::AutoSizeColOrRow( int colOrRow, bool setAsMin, bool column )
9367 {
9368     wxClientDC dc(m_gridWin);
9369
9370     // init both of them to avoid compiler warnings, even if weo nly need one
9371     int row = -1,
9372         col = -1;
9373     if ( column )
9374         col = colOrRow;
9375     else
9376         row = colOrRow;
9377
9378     wxCoord extent, extentMax = 0;
9379     int max = column ? m_numRows : m_numCols;
9380     for ( int rowOrCol = 0; rowOrCol < max; rowOrCol++ )
9381     {
9382         if ( column )
9383             row = rowOrCol;
9384         else
9385             col = rowOrCol;
9386
9387         wxGridCellAttr* attr = GetCellAttr(row, col);
9388         wxGridCellRenderer* renderer = attr->GetRenderer(this, row, col);
9389         if ( renderer )
9390         {
9391             wxSize size = renderer->GetBestSize(*this, *attr, dc, row, col);
9392             extent = column ? size.x : size.y;
9393             if ( extent > extentMax )
9394             {
9395                 extentMax = extent;
9396             }
9397
9398             renderer->DecRef();
9399         }
9400
9401         attr->DecRef();
9402     }
9403
9404     // now also compare with the column label extent
9405     wxCoord w, h;
9406     dc.SetFont( GetLabelFont() );
9407
9408     if ( column )
9409     {
9410         dc.GetTextExtent( GetColLabelValue(col), &w, &h );
9411         if( GetColLabelTextOrientation() == wxVERTICAL )
9412             w = h;
9413     }
9414     else
9415         dc.GetTextExtent( GetRowLabelValue(row), &w, &h );
9416
9417     extent = column ? w : h;
9418     if ( extent > extentMax )
9419     {
9420         extentMax = extent;
9421     }
9422
9423     if ( !extentMax )
9424     {
9425         // empty column - give default extent (notice that if extentMax is less
9426         // than default extent but != 0, it's ok)
9427         extentMax = column ? m_defaultColWidth : m_defaultRowHeight;
9428     }
9429     else
9430     {
9431         if ( column )
9432         {
9433             // leave some space around text
9434             extentMax += 10;
9435         }
9436         else
9437         {
9438             extentMax += 6;
9439         }
9440     }
9441
9442     if ( column )
9443     {
9444         SetColSize(col, extentMax);
9445         if ( !GetBatchCount() )
9446         {
9447             int cw, ch, dummy;
9448             m_gridWin->GetClientSize( &cw, &ch );
9449             wxRect rect ( CellToRect( 0, col ) );
9450             rect.y = 0;
9451             CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
9452             rect.width = cw - rect.x;
9453             rect.height = m_colLabelHeight;
9454             m_colLabelWin->Refresh( TRUE, &rect );
9455         }
9456     }
9457     else
9458     {
9459         SetRowSize(row, extentMax);
9460         if ( !GetBatchCount() )
9461         {
9462             int cw, ch, dummy;
9463             m_gridWin->GetClientSize( &cw, &ch );
9464             wxRect rect ( CellToRect( row, 0 ) );
9465             rect.x = 0;
9466             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
9467             rect.width = m_rowLabelWidth;
9468             rect.height = ch - rect.y;
9469             m_rowLabelWin->Refresh( TRUE, &rect );
9470         }
9471     }
9472     if ( setAsMin )
9473     {
9474         if ( column )
9475             SetColMinimalWidth(col, extentMax);
9476         else
9477             SetRowMinimalHeight(row, extentMax);
9478     }
9479 }
9480
9481 int wxGrid::SetOrCalcColumnSizes(bool calcOnly, bool setAsMin)
9482 {
9483     int width = m_rowLabelWidth;
9484
9485     if ( !calcOnly )
9486         BeginBatch();
9487
9488     for ( int col = 0; col < m_numCols; col++ )
9489     {
9490         if ( !calcOnly )
9491         {
9492             AutoSizeColumn(col, setAsMin);
9493         }
9494
9495         width += GetColWidth(col);
9496     }
9497
9498     if ( !calcOnly )
9499         EndBatch();
9500
9501     return width;
9502 }
9503
9504 int wxGrid::SetOrCalcRowSizes(bool calcOnly, bool setAsMin)
9505 {
9506     int height = m_colLabelHeight;
9507
9508     if ( !calcOnly )
9509         BeginBatch();
9510
9511     for ( int row = 0; row < m_numRows; row++ )
9512     {
9513         if ( !calcOnly )
9514         {
9515             AutoSizeRow(row, setAsMin);
9516         }
9517
9518         height += GetRowHeight(row);
9519     }
9520
9521     if ( !calcOnly )
9522         EndBatch();
9523
9524     return height;
9525 }
9526
9527 void wxGrid::AutoSize()
9528 {
9529     BeginBatch();
9530
9531     wxSize size(SetOrCalcColumnSizes(FALSE), SetOrCalcRowSizes(FALSE));
9532
9533     // round up the size to a multiple of scroll step - this ensures that we
9534     // won't get the scrollbars if we're sized exactly to this width
9535     // CalcDimension adds m_extraWidth + 1 etc. to calculate the necessary
9536     // scrollbar steps
9537     wxSize sizeFit(GetScrollX(size.x + m_extraWidth + 1) * GRID_SCROLL_LINE_X,
9538                    GetScrollY(size.y + m_extraHeight + 1) * GRID_SCROLL_LINE_Y);
9539
9540     // distribute the extra space between the columns/rows to avoid having
9541     // extra white space
9542
9543     // Remove the extra m_extraWidth + 1 added above
9544     wxCoord diff = sizeFit.x - size.x + (m_extraWidth + 1);
9545     if ( diff && m_numCols )
9546     {
9547         // try to resize the columns uniformly
9548         wxCoord diffPerCol = diff / m_numCols;
9549         if ( diffPerCol )
9550         {
9551             for ( int col = 0; col < m_numCols; col++ )
9552             {
9553                 SetColSize(col, GetColWidth(col) + diffPerCol);
9554             }
9555         }
9556
9557         // add remaining amount to the last columns
9558         diff -= diffPerCol * m_numCols;
9559         if ( diff )
9560         {
9561             for ( int col = m_numCols - 1; col >= m_numCols - diff; col-- )
9562             {
9563                 SetColSize(col, GetColWidth(col) + 1);
9564             }
9565         }
9566     }
9567
9568     // same for rows
9569     diff = sizeFit.y - size.y - (m_extraHeight + 1);
9570     if ( diff && m_numRows )
9571     {
9572         // try to resize the columns uniformly
9573         wxCoord diffPerRow = diff / m_numRows;
9574         if ( diffPerRow )
9575         {
9576             for ( int row = 0; row < m_numRows; row++ )
9577             {
9578                 SetRowSize(row, GetRowHeight(row) + diffPerRow);
9579             }
9580         }
9581
9582         // add remaining amount to the last rows
9583         diff -= diffPerRow * m_numRows;
9584         if ( diff )
9585         {
9586             for ( int row = m_numRows - 1; row >= m_numRows - diff; row-- )
9587             {
9588                 SetRowSize(row, GetRowHeight(row) + 1);
9589             }
9590         }
9591     }
9592
9593     EndBatch();
9594
9595     SetClientSize(sizeFit);
9596 }
9597
9598 void wxGrid::AutoSizeRowLabelSize( int row )
9599 {
9600     wxArrayString lines;
9601     long w, h;
9602
9603     // Hide the edit control, so it
9604     // won't interfer with drag-shrinking.
9605     if( IsCellEditControlShown() )
9606     {
9607         HideCellEditControl();
9608         SaveEditControlValue();
9609     }
9610
9611     // autosize row height depending on label text
9612     StringToLines( GetRowLabelValue( row ), lines );
9613     wxClientDC dc( m_rowLabelWin );
9614     GetTextBoxSize( dc, lines, &w, &h);
9615     if( h < m_defaultRowHeight )
9616         h = m_defaultRowHeight;
9617     SetRowSize(row, h);
9618     ForceRefresh();
9619 }
9620
9621 void wxGrid::AutoSizeColLabelSize( int col )
9622 {
9623     wxArrayString lines;
9624     long w, h;
9625
9626     // Hide the edit control, so it
9627     // won't interfer with drag-shrinking.
9628     if( IsCellEditControlShown() )
9629     {
9630         HideCellEditControl();
9631         SaveEditControlValue();
9632     }
9633
9634     // autosize column width depending on label text
9635     StringToLines( GetColLabelValue( col ), lines );
9636     wxClientDC dc( m_colLabelWin );
9637     if( GetColLabelTextOrientation() == wxHORIZONTAL )
9638         GetTextBoxSize( dc, lines, &w, &h);
9639     else
9640         GetTextBoxSize( dc, lines, &h, &w);
9641     if( w < m_defaultColWidth )
9642         w = m_defaultColWidth;
9643     SetColSize(col, w);
9644     ForceRefresh();
9645 }
9646
9647 wxSize wxGrid::DoGetBestSize() const
9648 {
9649     // don't set sizes, only calculate them
9650     wxGrid *self = (wxGrid *)this;  // const_cast
9651
9652     int width, height;
9653     width = self->SetOrCalcColumnSizes(TRUE);
9654     height = self->SetOrCalcRowSizes(TRUE);
9655
9656     int maxwidth, maxheight;
9657     wxDisplaySize( & maxwidth, & maxheight );
9658
9659     if ( width > maxwidth ) width = maxwidth;
9660     if ( height > maxheight ) height = maxheight;
9661
9662     return wxSize( width, height );
9663 }
9664
9665 void wxGrid::Fit()
9666 {
9667     AutoSize();
9668 }
9669
9670
9671 wxPen& wxGrid::GetDividerPen() const
9672 {
9673     return wxNullPen;
9674 }
9675
9676 // ----------------------------------------------------------------------------
9677 // cell value accessor functions
9678 // ----------------------------------------------------------------------------
9679
9680 void wxGrid::SetCellValue( int row, int col, const wxString& s )
9681 {
9682     if ( m_table )
9683     {
9684         m_table->SetValue( row, col, s );
9685         if ( !GetBatchCount() )
9686         {
9687             int dummy;
9688             wxRect rect( CellToRect( row, col ) );
9689             rect.x = 0;
9690             rect.width = m_gridWin->GetClientSize().GetWidth();
9691             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
9692             m_gridWin->Refresh( FALSE, &rect );
9693         }
9694
9695         if ( m_currentCellCoords.GetRow() == row &&
9696              m_currentCellCoords.GetCol() == col &&
9697              IsCellEditControlShown())
9698              // Note: If we are using IsCellEditControlEnabled,
9699              // this interacts badly with calling SetCellValue from
9700              // an EVT_GRID_CELL_CHANGE handler.
9701         {
9702             HideCellEditControl();
9703             ShowCellEditControl(); // will reread data from table
9704         }
9705     }
9706 }
9707
9708
9709 //
9710 // ------ Block, row and col selection
9711 //
9712
9713 void wxGrid::SelectRow( int row, bool addToSelected )
9714 {
9715     if ( IsSelection() && !addToSelected )
9716         ClearSelection();
9717
9718     if ( m_selection )
9719         m_selection->SelectRow( row, FALSE, addToSelected );
9720 }
9721
9722
9723 void wxGrid::SelectCol( int col, bool addToSelected )
9724 {
9725     if ( IsSelection() && !addToSelected )
9726         ClearSelection();
9727
9728     if ( m_selection )
9729         m_selection->SelectCol( col, FALSE, addToSelected );
9730 }
9731
9732
9733 void wxGrid::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol,
9734                           bool addToSelected )
9735 {
9736     if ( IsSelection() && !addToSelected )
9737         ClearSelection();
9738
9739     if ( m_selection )
9740         m_selection->SelectBlock( topRow, leftCol, bottomRow, rightCol,
9741                                   FALSE, addToSelected );
9742 }
9743
9744
9745 void wxGrid::SelectAll()
9746 {
9747     if ( m_numRows > 0 && m_numCols > 0 )
9748     {
9749         if ( m_selection )
9750             m_selection->SelectBlock( 0, 0, m_numRows-1, m_numCols-1 );
9751     }
9752 }
9753
9754 //
9755 // ------ Cell, row and col deselection
9756 //
9757
9758 void wxGrid::DeselectRow( int row )
9759 {
9760     if ( !m_selection )
9761         return;
9762
9763     if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectRows )
9764     {
9765         if ( m_selection->IsInSelection(row, 0 ) )
9766             m_selection->ToggleCellSelection( row, 0);
9767     }
9768     else
9769     {
9770         int nCols = GetNumberCols();
9771         for ( int i = 0; i < nCols ; i++ )
9772         {
9773             if ( m_selection->IsInSelection(row, i ) )
9774                 m_selection->ToggleCellSelection( row, i);
9775         }
9776     }
9777 }
9778
9779 void wxGrid::DeselectCol( int col )
9780 {
9781     if ( !m_selection )
9782         return;
9783
9784     if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectColumns )
9785     {
9786         if ( m_selection->IsInSelection(0, col ) )
9787             m_selection->ToggleCellSelection( 0, col);
9788     }
9789     else
9790     {
9791         int nRows = GetNumberRows();
9792         for ( int i = 0; i < nRows ; i++ )
9793         {
9794             if ( m_selection->IsInSelection(i, col ) )
9795                 m_selection->ToggleCellSelection(i, col);
9796         }
9797     }
9798 }
9799
9800 void wxGrid::DeselectCell( int row, int col )
9801 {
9802     if ( m_selection && m_selection->IsInSelection(row, col) )
9803         m_selection->ToggleCellSelection(row, col);
9804 }
9805
9806 bool wxGrid::IsSelection()
9807 {
9808     return ( m_selection && (m_selection->IsSelection() ||
9809              ( m_selectingTopLeft != wxGridNoCellCoords &&
9810                m_selectingBottomRight != wxGridNoCellCoords) ) );
9811 }
9812
9813 bool wxGrid::IsInSelection( int row, int col ) const
9814 {
9815     return ( m_selection && (m_selection->IsInSelection( row, col ) ||
9816              ( row >= m_selectingTopLeft.GetRow() &&
9817                col >= m_selectingTopLeft.GetCol() &&
9818                row <= m_selectingBottomRight.GetRow() &&
9819                col <= m_selectingBottomRight.GetCol() )) );
9820 }
9821
9822 wxGridCellCoordsArray wxGrid::GetSelectedCells() const
9823 {
9824     if (!m_selection) { wxGridCellCoordsArray a; return a; }
9825     return m_selection->m_cellSelection;
9826 }
9827 wxGridCellCoordsArray wxGrid::GetSelectionBlockTopLeft() const
9828 {
9829     if (!m_selection) { wxGridCellCoordsArray a; return a; }
9830     return m_selection->m_blockSelectionTopLeft;
9831 }
9832 wxGridCellCoordsArray wxGrid::GetSelectionBlockBottomRight() const
9833 {
9834     if (!m_selection) { wxGridCellCoordsArray a; return a; }
9835     return m_selection->m_blockSelectionBottomRight;
9836 }
9837 wxArrayInt wxGrid::GetSelectedRows() const
9838 {
9839     if (!m_selection) { wxArrayInt a; return a; }
9840     return m_selection->m_rowSelection;
9841 }
9842 wxArrayInt wxGrid::GetSelectedCols() const
9843 {
9844     if (!m_selection) { wxArrayInt a; return a; }
9845     return m_selection->m_colSelection;
9846 }
9847
9848
9849 void wxGrid::ClearSelection()
9850 {
9851     m_selectingTopLeft = wxGridNoCellCoords;
9852     m_selectingBottomRight = wxGridNoCellCoords;
9853     if ( m_selection )
9854         m_selection->ClearSelection();
9855 }
9856
9857
9858 // This function returns the rectangle that encloses the given block
9859 // in device coords clipped to the client size of the grid window.
9860 //
9861 wxRect wxGrid::BlockToDeviceRect( const wxGridCellCoords &topLeft,
9862                                   const wxGridCellCoords &bottomRight )
9863 {
9864     wxRect rect( wxGridNoCellRect );
9865     wxRect cellRect;
9866
9867     cellRect = CellToRect( topLeft );
9868     if ( cellRect != wxGridNoCellRect )
9869     {
9870         rect = cellRect;
9871     }
9872     else
9873     {
9874         rect = wxRect( 0, 0, 0, 0 );
9875     }
9876
9877     cellRect = CellToRect( bottomRight );
9878     if ( cellRect != wxGridNoCellRect )
9879     {
9880         rect += cellRect;
9881     }
9882     else
9883     {
9884         return wxGridNoCellRect;
9885     }
9886
9887     int i, j;
9888     int left = rect.GetLeft();
9889     int top = rect.GetTop();
9890     int right = rect.GetRight();
9891     int bottom = rect.GetBottom();
9892
9893     int leftCol = topLeft.GetCol();
9894     int topRow = topLeft.GetRow();
9895     int rightCol = bottomRight.GetCol();
9896     int bottomRow = bottomRight.GetRow();
9897
9898     if (left > right)
9899     {
9900         i = left;
9901         left = right;
9902         right = i;
9903         i = leftCol;
9904         leftCol=rightCol;
9905         rightCol = i;
9906     }
9907
9908     if (top > bottom)
9909     {
9910         i = top;
9911         top = bottom;
9912         bottom = i;
9913         i = topRow;
9914         topRow = bottomRow;
9915         bottomRow = i;
9916     }
9917
9918
9919     for ( j = topRow; j <= bottomRow; j++ )
9920     {
9921         for ( i = leftCol; i <= rightCol; i++ )
9922         {
9923             if ((j==topRow) || (j==bottomRow) || (i==leftCol) || (i==rightCol))
9924             {
9925                 cellRect = CellToRect( j, i );
9926
9927                 if (cellRect.x < left)
9928                     left = cellRect.x;
9929                 if (cellRect.y < top)
9930                     top = cellRect.y;
9931                 if (cellRect.x + cellRect.width > right)
9932                     right = cellRect.x + cellRect.width;
9933                 if (cellRect.y + cellRect.height > bottom)
9934                     bottom = cellRect.y + cellRect.height;
9935             }
9936             else i = rightCol; // jump over inner cells.
9937         }
9938     }
9939
9940     // convert to scrolled coords
9941     //
9942     CalcScrolledPosition( left, top, &left, &top );
9943     CalcScrolledPosition( right, bottom, &right, &bottom );
9944
9945     int cw, ch;
9946     m_gridWin->GetClientSize( &cw, &ch );
9947
9948     if (right < 0 || bottom < 0 || left > cw || top > ch)
9949         return wxRect( 0, 0, 0, 0);
9950
9951     rect.SetLeft( wxMax(0, left) );
9952     rect.SetTop( wxMax(0, top) );
9953     rect.SetRight( wxMin(cw, right) );
9954     rect.SetBottom( wxMin(ch, bottom) );
9955
9956     return rect;
9957 }
9958
9959
9960
9961 //
9962 // ------ Grid event classes
9963 //
9964
9965 IMPLEMENT_DYNAMIC_CLASS( wxGridEvent, wxNotifyEvent )
9966
9967 wxGridEvent::wxGridEvent( int id, wxEventType type, wxObject* obj,
9968                           int row, int col, int x, int y, bool sel,
9969                           bool control, bool shift, bool alt, bool meta )
9970         : wxNotifyEvent( type, id )
9971 {
9972     m_row = row;
9973     m_col = col;
9974     m_x = x;
9975     m_y = y;
9976     m_selecting = sel;
9977     m_control = control;
9978     m_shift = shift;
9979     m_alt = alt;
9980     m_meta = meta;
9981
9982     SetEventObject(obj);
9983 }
9984
9985
9986 IMPLEMENT_DYNAMIC_CLASS( wxGridSizeEvent, wxNotifyEvent )
9987
9988 wxGridSizeEvent::wxGridSizeEvent( int id, wxEventType type, wxObject* obj,
9989                                   int rowOrCol, int x, int y,
9990                                   bool control, bool shift, bool alt, bool meta )
9991         : wxNotifyEvent( type, id )
9992 {
9993     m_rowOrCol = rowOrCol;
9994     m_x = x;
9995     m_y = y;
9996     m_control = control;
9997     m_shift = shift;
9998     m_alt = alt;
9999     m_meta = meta;
10000
10001     SetEventObject(obj);
10002 }
10003
10004
10005 IMPLEMENT_DYNAMIC_CLASS( wxGridRangeSelectEvent, wxNotifyEvent )
10006
10007 wxGridRangeSelectEvent::wxGridRangeSelectEvent(int id, wxEventType type, wxObject* obj,
10008                                                const wxGridCellCoords& topLeft,
10009                                                const wxGridCellCoords& bottomRight,
10010                                                bool sel, bool control,
10011                                                bool shift, bool alt, bool meta )
10012         : wxNotifyEvent( type, id )
10013 {
10014     m_topLeft     = topLeft;
10015     m_bottomRight = bottomRight;
10016     m_selecting   = sel;
10017     m_control     = control;
10018     m_shift       = shift;
10019     m_alt         = alt;
10020     m_meta        = meta;
10021
10022     SetEventObject(obj);
10023 }
10024
10025
10026 IMPLEMENT_DYNAMIC_CLASS(wxGridEditorCreatedEvent, wxCommandEvent)
10027
10028 wxGridEditorCreatedEvent::wxGridEditorCreatedEvent(int id, wxEventType type,
10029                                                    wxObject* obj, int row,
10030                                                    int col, wxControl* ctrl)
10031     : wxCommandEvent(type, id)
10032 {
10033     SetEventObject(obj);
10034     m_row = row;
10035     m_col = col;
10036     m_ctrl = ctrl;
10037 }
10038
10039 #endif // wxUSE_GRID
10040