src/generic/grid.cpp

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