src/generic/grid.cpp

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