src/generic/grid.cpp

   1 ///////////////////////////////////////////////////////////////////////////
   2 // Name:        src/generic/grid.cpp
   3 // Purpose:     wxGrid and related classes
   4 // Author:      Michael Bedward (based on code by Julian Smart, Robin Dunn)
   5 // Modified by: Robin Dunn, Vadim Zeitlin, Santiago Palacios
   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     TODO:
  14
  15     - Replace use of wxINVERT with wxOverlay
  16     - Make Begin/EndBatch() the same as the generic Freeze/Thaw()
  17     - Review the column reordering code, it's a mess.
  18     - Implement row reordering after dealing with the columns.
  19  */
  20
  21 // For compilers that support precompilation, includes "wx/wx.h".
  22 #include "wx/wxprec.h"
  23
  24 #ifdef __BORLANDC__
  25     #pragma hdrstop
  26 #endif
  27
  28 #if wxUSE_GRID
  29
  30 #include "wx/grid.h"
  31
  32 #ifndef WX_PRECOMP
  33     #include "wx/utils.h"
  34     #include "wx/dcclient.h"
  35     #include "wx/settings.h"
  36     #include "wx/log.h"
  37     #include "wx/textctrl.h"
  38     #include "wx/checkbox.h"
  39     #include "wx/combobox.h"
  40     #include "wx/valtext.h"
  41     #include "wx/intl.h"
  42     #include "wx/math.h"
  43     #include "wx/listbox.h"
  44 #endif
  45
  46 #include "wx/textfile.h"
  47 #include "wx/spinctrl.h"
  48 #include "wx/tokenzr.h"
  49 #include "wx/renderer.h"
  50 #include "wx/headerctrl.h"
  51 #include "wx/hashset.h"
  52
  53 #include "wx/generic/gridsel.h"
  54 #include "wx/generic/gridctrl.h"
  55 #include "wx/generic/grideditors.h"
  56 #include "wx/generic/private/grid.h"
  57
  58 const char wxGridNameStr[] = "grid";
  59
  60 #if defined(__WXMOTIF__)
  61     #define WXUNUSED_MOTIF(identifier)  WXUNUSED(identifier)
  62 #else
  63     #define WXUNUSED_MOTIF(identifier)  identifier
  64 #endif
  65
  66 #if defined(__WXGTK__)
  67     #define WXUNUSED_GTK(identifier)    WXUNUSED(identifier)
  68 #else
  69     #define WXUNUSED_GTK(identifier)    identifier
  70 #endif
  71
  72 // Required for wxIs... functions
  73 #include <ctype.h>
  74
  75 WX_DECLARE_HASH_SET_WITH_DECL(int, wxIntegerHash, wxIntegerEqual,
  76                               wxGridFixedIndicesSet, class WXDLLIMPEXP_ADV);
  77
  78
  79 // ----------------------------------------------------------------------------
  80 // globals
  81 // ----------------------------------------------------------------------------
  82
  83 namespace
  84 {
  85
  86 //#define DEBUG_ATTR_CACHE
  87 #ifdef DEBUG_ATTR_CACHE
  88     static size_t gs_nAttrCacheHits = 0;
  89     static size_t gs_nAttrCacheMisses = 0;
  90 #endif
  91
  92 // this struct simply combines together the default header renderers
  93 //
  94 // as the renderers ctors are trivial, there is no problem with making them
  95 // globals
  96 struct DefaultHeaderRenderers
  97 {
  98     wxGridColumnHeaderRendererDefault colRenderer;
  99     wxGridRowHeaderRendererDefault rowRenderer;
 100     wxGridCornerHeaderRendererDefault cornerRenderer;
 101 } gs_defaultHeaderRenderers;
 102
 103 } // anonymous namespace
 104
 105 // ----------------------------------------------------------------------------
 106 // constants
 107 // ----------------------------------------------------------------------------
 108
 109 wxGridCellCoords wxGridNoCellCoords( -1, -1 );
 110 wxRect wxGridNoCellRect( -1, -1, -1, -1 );
 111
 112 namespace
 113 {
 114
 115 // scroll line size
 116 const size_t GRID_SCROLL_LINE_X = 15;
 117 const size_t GRID_SCROLL_LINE_Y = GRID_SCROLL_LINE_X;
 118
 119 // the size of hash tables used a bit everywhere (the max number of elements
 120 // in these hash tables is the number of rows/columns)
 121 const int GRID_HASH_SIZE = 100;
 122
 123 // the minimal distance in pixels the mouse needs to move to start a drag
 124 // operation
 125 const int DRAG_SENSITIVITY = 3;
 126
 127 } // anonymous namespace
 128
 129 #include "wx/arrimpl.cpp"
 130
 131 WX_DEFINE_OBJARRAY(wxGridCellCoordsArray)
 132 WX_DEFINE_OBJARRAY(wxGridCellWithAttrArray)
 133
 134 // ----------------------------------------------------------------------------
 135 // events
 136 // ----------------------------------------------------------------------------
 137
 138 wxDEFINE_EVENT( wxEVT_GRID_CELL_LEFT_CLICK, wxGridEvent );
 139 wxDEFINE_EVENT( wxEVT_GRID_CELL_RIGHT_CLICK, wxGridEvent );
 140 wxDEFINE_EVENT( wxEVT_GRID_CELL_LEFT_DCLICK, wxGridEvent );
 141 wxDEFINE_EVENT( wxEVT_GRID_CELL_RIGHT_DCLICK, wxGridEvent );
 142 wxDEFINE_EVENT( wxEVT_GRID_CELL_BEGIN_DRAG, wxGridEvent );
 143 wxDEFINE_EVENT( wxEVT_GRID_LABEL_LEFT_CLICK, wxGridEvent );
 144 wxDEFINE_EVENT( wxEVT_GRID_LABEL_RIGHT_CLICK, wxGridEvent );
 145 wxDEFINE_EVENT( wxEVT_GRID_LABEL_LEFT_DCLICK, wxGridEvent );
 146 wxDEFINE_EVENT( wxEVT_GRID_LABEL_RIGHT_DCLICK, wxGridEvent );
 147 wxDEFINE_EVENT( wxEVT_GRID_ROW_SIZE, wxGridSizeEvent );
 148 wxDEFINE_EVENT( wxEVT_GRID_COL_SIZE, wxGridSizeEvent );
 149 wxDEFINE_EVENT( wxEVT_GRID_COL_MOVE, wxGridEvent );
 150 wxDEFINE_EVENT( wxEVT_GRID_COL_SORT, wxGridEvent );
 151 wxDEFINE_EVENT( wxEVT_GRID_RANGE_SELECT, wxGridRangeSelectEvent );
 152 wxDEFINE_EVENT( wxEVT_GRID_CELL_CHANGING, wxGridEvent );
 153 wxDEFINE_EVENT( wxEVT_GRID_CELL_CHANGED, wxGridEvent );
 154 wxDEFINE_EVENT( wxEVT_GRID_SELECT_CELL, wxGridEvent );
 155 wxDEFINE_EVENT( wxEVT_GRID_EDITOR_SHOWN, wxGridEvent );
 156 wxDEFINE_EVENT( wxEVT_GRID_EDITOR_HIDDEN, wxGridEvent );
 157 wxDEFINE_EVENT( wxEVT_GRID_EDITOR_CREATED, wxGridEditorCreatedEvent );
 158
 159 // ============================================================================
 160 // implementation
 161 // ============================================================================
 162
 163 IMPLEMENT_ABSTRACT_CLASS(wxGridCellEditorEvtHandler, wxEvtHandler)
 164
 165 BEGIN_EVENT_TABLE( wxGridCellEditorEvtHandler, wxEvtHandler )
 166     EVT_KILL_FOCUS( wxGridCellEditorEvtHandler::OnKillFocus )
 167     EVT_KEY_DOWN( wxGridCellEditorEvtHandler::OnKeyDown )
 168     EVT_CHAR( wxGridCellEditorEvtHandler::OnChar )
 169 END_EVENT_TABLE()
 170
 171 BEGIN_EVENT_TABLE(wxGridHeaderCtrl, wxHeaderCtrl)
 172     EVT_HEADER_CLICK(wxID_ANY, wxGridHeaderCtrl::OnClick)
 173
 174     EVT_HEADER_BEGIN_RESIZE(wxID_ANY, wxGridHeaderCtrl::OnBeginResize)
 175     EVT_HEADER_RESIZING(wxID_ANY, wxGridHeaderCtrl::OnResizing)
 176     EVT_HEADER_END_RESIZE(wxID_ANY, wxGridHeaderCtrl::OnEndResize)
 177
 178     EVT_HEADER_BEGIN_REORDER(wxID_ANY, wxGridHeaderCtrl::OnBeginReorder)
 179     EVT_HEADER_END_REORDER(wxID_ANY, wxGridHeaderCtrl::OnEndReorder)
 180 END_EVENT_TABLE()
 181
 182 wxGridOperations& wxGridRowOperations::Dual() const
 183 {
 184     static wxGridColumnOperations s_colOper;
 185
 186     return s_colOper;
 187 }
 188
 189 wxGridOperations& wxGridColumnOperations::Dual() const
 190 {
 191     static wxGridRowOperations s_rowOper;
 192
 193     return s_rowOper;
 194 }
 195
 196 // ----------------------------------------------------------------------------
 197 // wxGridCellWorker is an (almost) empty common base class for
 198 // wxGridCellRenderer and wxGridCellEditor managing ref counting
 199 // ----------------------------------------------------------------------------
 200
 201 void wxGridCellWorker::SetParameters(const wxString& WXUNUSED(params))
 202 {
 203     // nothing to do
 204 }
 205
 206 wxGridCellWorker::~wxGridCellWorker()
 207 {
 208 }
 209
 210 // ----------------------------------------------------------------------------
 211 // wxGridHeaderLabelsRenderer and related classes
 212 // ----------------------------------------------------------------------------
 213
 214 void wxGridHeaderLabelsRenderer::DrawLabel(const wxGrid& grid,
 215                                            wxDC& dc,
 216                                            const wxString& value,
 217                                            const wxRect& rect,
 218                                            int horizAlign,
 219                                            int vertAlign,
 220                                            int textOrientation) const
 221 {
 222     dc.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
 223     dc.SetTextForeground(grid.GetLabelTextColour());
 224     dc.SetFont(grid.GetLabelFont());
 225     grid.DrawTextRectangle(dc, value, rect, horizAlign, vertAlign, textOrientation);
 226 }
 227
 228
 229 void wxGridRowHeaderRendererDefault::DrawBorder(const wxGrid& WXUNUSED(grid),
 230                                                 wxDC& dc,
 231                                                 wxRect& rect) const
 232 {
 233     dc.SetPen(wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW)));
 234     dc.DrawLine(rect.GetRight(), rect.GetTop(),
 235                 rect.GetRight(), rect.GetBottom());
 236     dc.DrawLine(rect.GetLeft(), rect.GetTop(),
 237                 rect.GetLeft(), rect.GetBottom());
 238     dc.DrawLine(rect.GetLeft(), rect.GetBottom(),
 239                 rect.GetRight() + 1, rect.GetBottom());
 240
 241     dc.SetPen(*wxWHITE_PEN);
 242     dc.DrawLine(rect.GetLeft() + 1, rect.GetTop(),
 243                 rect.GetLeft() + 1, rect.GetBottom());
 244     dc.DrawLine(rect.GetLeft() + 1, rect.GetTop(),
 245                 rect.GetRight(), rect.GetTop());
 246
 247     rect.Deflate(2);
 248 }
 249
 250 void wxGridColumnHeaderRendererDefault::DrawBorder(const wxGrid& WXUNUSED(grid),
 251                                                    wxDC& dc,
 252                                                    wxRect& rect) const
 253 {
 254     dc.SetPen(wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW)));
 255     dc.DrawLine(rect.GetRight(), rect.GetTop(),
 256                 rect.GetRight(), rect.GetBottom());
 257     dc.DrawLine(rect.GetLeft(), rect.GetTop(),
 258                 rect.GetRight(), rect.GetTop());
 259     dc.DrawLine(rect.GetLeft(), rect.GetBottom(),
 260                 rect.GetRight() + 1, rect.GetBottom());
 261
 262     dc.SetPen(*wxWHITE_PEN);
 263     dc.DrawLine(rect.GetLeft(), rect.GetTop() + 1,
 264                 rect.GetLeft(), rect.GetBottom());
 265     dc.DrawLine(rect.GetLeft(), rect.GetTop() + 1,
 266                 rect.GetRight(), rect.GetTop() + 1);
 267
 268     rect.Deflate(2);
 269 }
 270
 271 void wxGridCornerHeaderRendererDefault::DrawBorder(const wxGrid& WXUNUSED(grid),
 272                                                    wxDC& dc,
 273                                                    wxRect& rect) const
 274 {
 275     dc.SetPen(wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW)));
 276     dc.DrawLine(rect.GetRight() - 1, rect.GetBottom() - 1,
 277                 rect.GetRight() - 1, rect.GetTop());
 278     dc.DrawLine(rect.GetRight() - 1, rect.GetBottom() - 1,
 279                 rect.GetLeft(), rect.GetBottom() - 1);
 280     dc.DrawLine(rect.GetLeft(), rect.GetTop(),
 281                 rect.GetRight(), rect.GetTop());
 282     dc.DrawLine(rect.GetLeft(), rect.GetTop(),
 283                 rect.GetLeft(), rect.GetBottom());
 284
 285     dc.SetPen(*wxWHITE_PEN);
 286     dc.DrawLine(rect.GetLeft() + 1, rect.GetTop() + 1,
 287                 rect.GetRight() - 1, rect.GetTop() + 1);
 288     dc.DrawLine(rect.GetLeft() + 1, rect.GetTop() + 1,
 289                 rect.GetLeft() + 1, rect.GetBottom() - 1);
 290
 291     rect.Deflate(2);
 292 }
 293
 294 // ----------------------------------------------------------------------------
 295 // wxGridCellAttr
 296 // ----------------------------------------------------------------------------
 297
 298 void wxGridCellAttr::Init(wxGridCellAttr *attrDefault)
 299 {
 300     m_isReadOnly = Unset;
 301
 302     m_renderer = NULL;
 303     m_editor = NULL;
 304
 305     m_attrkind = wxGridCellAttr::Cell;
 306
 307     m_sizeRows = m_sizeCols = 1;
 308     m_overflow = UnsetOverflow;
 309
 310     SetDefAttr(attrDefault);
 311 }
 312
 313 wxGridCellAttr *wxGridCellAttr::Clone() const
 314 {
 315     wxGridCellAttr *attr = new wxGridCellAttr(m_defGridAttr);
 316
 317     if ( HasTextColour() )
 318         attr->SetTextColour(GetTextColour());
 319     if ( HasBackgroundColour() )
 320         attr->SetBackgroundColour(GetBackgroundColour());
 321     if ( HasFont() )
 322         attr->SetFont(GetFont());
 323     if ( HasAlignment() )
 324         attr->SetAlignment(m_hAlign, m_vAlign);
 325
 326     attr->SetSize( m_sizeRows, m_sizeCols );
 327
 328     if ( m_renderer )
 329     {
 330         attr->SetRenderer(m_renderer);
 331         m_renderer->IncRef();
 332     }
 333     if ( m_editor )
 334     {
 335         attr->SetEditor(m_editor);
 336         m_editor->IncRef();
 337     }
 338
 339     if ( IsReadOnly() )
 340         attr->SetReadOnly();
 341
 342     attr->SetOverflow( m_overflow == Overflow );
 343     attr->SetKind( m_attrkind );
 344
 345     return attr;
 346 }
 347
 348 void wxGridCellAttr::MergeWith(wxGridCellAttr *mergefrom)
 349 {
 350     if ( !HasTextColour() && mergefrom->HasTextColour() )
 351         SetTextColour(mergefrom->GetTextColour());
 352     if ( !HasBackgroundColour() && mergefrom->HasBackgroundColour() )
 353         SetBackgroundColour(mergefrom->GetBackgroundColour());
 354     if ( !HasFont() && mergefrom->HasFont() )
 355         SetFont(mergefrom->GetFont());
 356     if ( !HasAlignment() && mergefrom->HasAlignment() )
 357     {
 358         int hAlign, vAlign;
 359         mergefrom->GetAlignment( &hAlign, &vAlign);
 360         SetAlignment(hAlign, vAlign);
 361     }
 362     if ( !HasSize() && mergefrom->HasSize() )
 363         mergefrom->GetSize( &m_sizeRows, &m_sizeCols );
 364
 365     // Directly access member functions as GetRender/Editor don't just return
 366     // m_renderer/m_editor
 367     //
 368     // Maybe add support for merge of Render and Editor?
 369     if (!HasRenderer() && mergefrom->HasRenderer() )
 370     {
 371         m_renderer = mergefrom->m_renderer;
 372         m_renderer->IncRef();
 373     }
 374     if ( !HasEditor() && mergefrom->HasEditor() )
 375     {
 376         m_editor =  mergefrom->m_editor;
 377         m_editor->IncRef();
 378     }
 379     if ( !HasReadWriteMode() && mergefrom->HasReadWriteMode() )
 380         SetReadOnly(mergefrom->IsReadOnly());
 381
 382     if (!HasOverflowMode() && mergefrom->HasOverflowMode() )
 383         SetOverflow(mergefrom->GetOverflow());
 384
 385     SetDefAttr(mergefrom->m_defGridAttr);
 386 }
 387
 388 void wxGridCellAttr::SetSize(int num_rows, int num_cols)
 389 {
 390     // The size of a cell is normally 1,1
 391
 392     // If this cell is larger (2,2) then this is the top left cell
 393     // the other cells that will be covered (lower right cells) must be
 394     // set to negative or zero values such that
 395     // row + num_rows of the covered cell points to the larger cell (this cell)
 396     // same goes for the col + num_cols.
 397
 398     // Size of 0,0 is NOT valid, neither is <=0 and any positive value
 399
 400     wxASSERT_MSG( (!((num_rows > 0) && (num_cols <= 0)) ||
 401                   !((num_rows <= 0) && (num_cols > 0)) ||
 402                   !((num_rows == 0) && (num_cols == 0))),
 403                   wxT("wxGridCellAttr::SetSize only takes two postive values or negative/zero values"));
 404
 405     m_sizeRows = num_rows;
 406     m_sizeCols = num_cols;
 407 }
 408
 409 const wxColour& wxGridCellAttr::GetTextColour() const
 410 {
 411     if (HasTextColour())
 412     {
 413         return m_colText;
 414     }
 415     else if (m_defGridAttr && m_defGridAttr != this)
 416     {
 417         return m_defGridAttr->GetTextColour();
 418     }
 419     else
 420     {
 421         wxFAIL_MSG(wxT("Missing default cell attribute"));
 422         return wxNullColour;
 423     }
 424 }
 425
 426 const wxColour& wxGridCellAttr::GetBackgroundColour() const
 427 {
 428     if (HasBackgroundColour())
 429     {
 430         return m_colBack;
 431     }
 432     else if (m_defGridAttr && m_defGridAttr != this)
 433     {
 434         return m_defGridAttr->GetBackgroundColour();
 435     }
 436     else
 437     {
 438         wxFAIL_MSG(wxT("Missing default cell attribute"));
 439         return wxNullColour;
 440     }
 441 }
 442
 443 const wxFont& wxGridCellAttr::GetFont() const
 444 {
 445     if (HasFont())
 446     {
 447         return m_font;
 448     }
 449     else if (m_defGridAttr && m_defGridAttr != this)
 450     {
 451         return m_defGridAttr->GetFont();
 452     }
 453     else
 454     {
 455         wxFAIL_MSG(wxT("Missing default cell attribute"));
 456         return wxNullFont;
 457     }
 458 }
 459
 460 void wxGridCellAttr::GetAlignment(int *hAlign, int *vAlign) const
 461 {
 462     if (HasAlignment())
 463     {
 464         if ( hAlign )
 465             *hAlign = m_hAlign;
 466         if ( vAlign )
 467             *vAlign = m_vAlign;
 468     }
 469     else if (m_defGridAttr && m_defGridAttr != this)
 470     {
 471         m_defGridAttr->GetAlignment(hAlign, vAlign);
 472     }
 473     else
 474     {
 475         wxFAIL_MSG(wxT("Missing default cell attribute"));
 476     }
 477 }
 478
 479 void wxGridCellAttr::GetNonDefaultAlignment(int *hAlign, int *vAlign) const
 480 {
 481     if ( hAlign && m_hAlign != wxALIGN_INVALID )
 482         *hAlign = m_hAlign;
 483
 484     if ( vAlign && m_vAlign != wxALIGN_INVALID )
 485         *vAlign = m_vAlign;
 486 }
 487
 488 void wxGridCellAttr::GetSize( int *num_rows, int *num_cols ) const
 489 {
 490     if ( num_rows )
 491         *num_rows = m_sizeRows;
 492     if ( num_cols )
 493         *num_cols = m_sizeCols;
 494 }
 495
 496 // GetRenderer and GetEditor use a slightly different decision path about
 497 // which attribute to use.  If a non-default attr object has one then it is
 498 // used, otherwise the default editor or renderer is fetched from the grid and
 499 // used.  It should be the default for the data type of the cell.  If it is
 500 // NULL (because the table has a type that the grid does not have in its
 501 // registry), then the grid's default editor or renderer is used.
 502
 503 wxGridCellRenderer* wxGridCellAttr::GetRenderer(const wxGrid* grid, int row, int col) const
 504 {
 505     wxGridCellRenderer *renderer = NULL;
 506
 507     if ( m_renderer && this != m_defGridAttr )
 508     {
 509         // use the cells renderer if it has one
 510         renderer = m_renderer;
 511         renderer->IncRef();
 512     }
 513     else // no non-default cell renderer
 514     {
 515         // get default renderer for the data type
 516         if ( grid )
 517         {
 518             // GetDefaultRendererForCell() will do IncRef() for us
 519             renderer = grid->GetDefaultRendererForCell(row, col);
 520         }
 521
 522         if ( renderer == NULL )
 523         {
 524             if ( (m_defGridAttr != NULL) && (m_defGridAttr != this) )
 525             {
 526                 // if we still don't have one then use the grid default
 527                 // (no need for IncRef() here neither)
 528                 renderer = m_defGridAttr->GetRenderer(NULL, 0, 0);
 529             }
 530             else // default grid attr
 531             {
 532                 // use m_renderer which we had decided not to use initially
 533                 renderer = m_renderer;
 534                 if ( renderer )
 535                     renderer->IncRef();
 536             }
 537         }
 538     }
 539
 540     // we're supposed to always find something
 541     wxASSERT_MSG(renderer, wxT("Missing default cell renderer"));
 542
 543     return renderer;
 544 }
 545
 546 // same as above, except for s/renderer/editor/g
 547 wxGridCellEditor* wxGridCellAttr::GetEditor(const wxGrid* grid, int row, int col) const
 548 {
 549     wxGridCellEditor *editor = NULL;
 550
 551     if ( m_editor && this != m_defGridAttr )
 552     {
 553         // use the cells editor if it has one
 554         editor = m_editor;
 555         editor->IncRef();
 556     }
 557     else // no non default cell editor
 558     {
 559         // get default editor for the data type
 560         if ( grid )
 561         {
 562             // GetDefaultEditorForCell() will do IncRef() for us
 563             editor = grid->GetDefaultEditorForCell(row, col);
 564         }
 565
 566         if ( editor == NULL )
 567         {
 568             if ( (m_defGridAttr != NULL) && (m_defGridAttr != this) )
 569             {
 570                 // if we still don't have one then use the grid default
 571                 // (no need for IncRef() here neither)
 572                 editor = m_defGridAttr->GetEditor(NULL, 0, 0);
 573             }
 574             else // default grid attr
 575             {
 576                 // use m_editor which we had decided not to use initially
 577                 editor = m_editor;
 578                 if ( editor )
 579                     editor->IncRef();
 580             }
 581         }
 582     }
 583
 584     // we're supposed to always find something
 585     wxASSERT_MSG(editor, wxT("Missing default cell editor"));
 586
 587     return editor;
 588 }
 589
 590 // ----------------------------------------------------------------------------
 591 // wxGridCellAttrData
 592 // ----------------------------------------------------------------------------
 593
 594 void wxGridCellAttrData::SetAttr(wxGridCellAttr *attr, int row, int col)
 595 {
 596     // Note: contrary to wxGridRowOrColAttrData::SetAttr, we must not
 597     //       touch attribute's reference counting explicitly, since this
 598     //       is managed by class wxGridCellWithAttr
 599     int n = FindIndex(row, col);
 600     if ( n == wxNOT_FOUND )
 601     {
 602         if ( attr )
 603         {
 604             // add the attribute
 605             m_attrs.Add(new wxGridCellWithAttr(row, col, attr));
 606         }
 607         //else: nothing to do
 608     }
 609     else // we already have an attribute for this cell
 610     {
 611         if ( attr )
 612         {
 613             // change the attribute
 614             m_attrs[(size_t)n].ChangeAttr(attr);
 615         }
 616         else
 617         {
 618             // remove this attribute
 619             m_attrs.RemoveAt((size_t)n);
 620         }
 621     }
 622 }
 623
 624 wxGridCellAttr *wxGridCellAttrData::GetAttr(int row, int col) const
 625 {
 626     wxGridCellAttr *attr = NULL;
 627
 628     int n = FindIndex(row, col);
 629     if ( n != wxNOT_FOUND )
 630     {
 631         attr = m_attrs[(size_t)n].attr;
 632         attr->IncRef();
 633     }
 634
 635     return attr;
 636 }
 637
 638 void wxGridCellAttrData::UpdateAttrRows( size_t pos, int numRows )
 639 {
 640     size_t count = m_attrs.GetCount();
 641     for ( size_t n = 0; n < count; n++ )
 642     {
 643         wxGridCellCoords& coords = m_attrs[n].coords;
 644         wxCoord row = coords.GetRow();
 645         if ((size_t)row >= pos)
 646         {
 647             if (numRows > 0)
 648             {
 649                 // If rows inserted, include row counter where necessary
 650                 coords.SetRow(row + numRows);
 651             }
 652             else if (numRows < 0)
 653             {
 654                 // If rows deleted ...
 655                 if ((size_t)row >= pos - numRows)
 656                 {
 657                     // ...either decrement row counter (if row still exists)...
 658                     coords.SetRow(row + numRows);
 659                 }
 660                 else
 661                 {
 662                     // ...or remove the attribute
 663                     m_attrs.RemoveAt(n);
 664                     n--;
 665                     count--;
 666                 }
 667             }
 668         }
 669     }
 670 }
 671
 672 void wxGridCellAttrData::UpdateAttrCols( size_t pos, int numCols )
 673 {
 674     size_t count = m_attrs.GetCount();
 675     for ( size_t n = 0; n < count; n++ )
 676     {
 677         wxGridCellCoords& coords = m_attrs[n].coords;
 678         wxCoord col = coords.GetCol();
 679         if ( (size_t)col >= pos )
 680         {
 681             if ( numCols > 0 )
 682             {
 683                 // If rows inserted, include row counter where necessary
 684                 coords.SetCol(col + numCols);
 685             }
 686             else if (numCols < 0)
 687             {
 688                 // If rows deleted ...
 689                 if ((size_t)col >= pos - numCols)
 690                 {
 691                     // ...either decrement row counter (if row still exists)...
 692                     coords.SetCol(col + numCols);
 693                 }
 694                 else
 695                 {
 696                     // ...or remove the attribute
 697                     m_attrs.RemoveAt(n);
 698                     n--;
 699                     count--;
 700                 }
 701             }
 702         }
 703     }
 704 }
 705
 706 int wxGridCellAttrData::FindIndex(int row, int col) const
 707 {
 708     size_t count = m_attrs.GetCount();
 709     for ( size_t n = 0; n < count; n++ )
 710     {
 711         const wxGridCellCoords& coords = m_attrs[n].coords;
 712         if ( (coords.GetRow() == row) && (coords.GetCol() == col) )
 713         {
 714             return n;
 715         }
 716     }
 717
 718     return wxNOT_FOUND;
 719 }
 720
 721 // ----------------------------------------------------------------------------
 722 // wxGridRowOrColAttrData
 723 // ----------------------------------------------------------------------------
 724
 725 wxGridRowOrColAttrData::~wxGridRowOrColAttrData()
 726 {
 727     size_t count = m_attrs.GetCount();
 728     for ( size_t n = 0; n < count; n++ )
 729     {
 730         m_attrs[n]->DecRef();
 731     }
 732 }
 733
 734 wxGridCellAttr *wxGridRowOrColAttrData::GetAttr(int rowOrCol) const
 735 {
 736     wxGridCellAttr *attr = NULL;
 737
 738     int n = m_rowsOrCols.Index(rowOrCol);
 739     if ( n != wxNOT_FOUND )
 740     {
 741         attr = m_attrs[(size_t)n];
 742         attr->IncRef();
 743     }
 744
 745     return attr;
 746 }
 747
 748 void wxGridRowOrColAttrData::SetAttr(wxGridCellAttr *attr, int rowOrCol)
 749 {
 750     int i = m_rowsOrCols.Index(rowOrCol);
 751     if ( i == wxNOT_FOUND )
 752     {
 753         if ( attr )
 754         {
 755             // store the new attribute, taking its ownership
 756             m_rowsOrCols.Add(rowOrCol);
 757             m_attrs.Add(attr);
 758         }
 759         // nothing to remove
 760     }
 761     else // we have an attribute for this row or column
 762     {
 763         size_t n = (size_t)i;
 764
 765         // notice that this code works correctly even when the old attribute is
 766         // the same as the new one: as we own of it, we must call DecRef() on
 767         // it in any case and this won't result in destruction of the new
 768         // attribute if it's the same as old one because it must have ref count
 769         // of at least 2 to be passed to us while we keep a reference to it too
 770         m_attrs[n]->DecRef();
 771
 772         if ( attr )
 773         {
 774             // replace the attribute with the new one
 775             m_attrs[n] = attr;
 776         }
 777         else // remove the attribute
 778         {
 779             m_rowsOrCols.RemoveAt(n);
 780             m_attrs.RemoveAt(n);
 781         }
 782     }
 783 }
 784
 785 void wxGridRowOrColAttrData::UpdateAttrRowsOrCols( size_t pos, int numRowsOrCols )
 786 {
 787     size_t count = m_attrs.GetCount();
 788     for ( size_t n = 0; n < count; n++ )
 789     {
 790         int & rowOrCol = m_rowsOrCols[n];
 791         if ( (size_t)rowOrCol >= pos )
 792         {
 793             if ( numRowsOrCols > 0 )
 794             {
 795                 // If rows inserted, include row counter where necessary
 796                 rowOrCol += numRowsOrCols;
 797             }
 798             else if ( numRowsOrCols < 0)
 799             {
 800                 // If rows deleted, either decrement row counter (if row still exists)
 801                 if ((size_t)rowOrCol >= pos - numRowsOrCols)
 802                     rowOrCol += numRowsOrCols;
 803                 else
 804                 {
 805                     m_rowsOrCols.RemoveAt(n);
 806                     m_attrs[n]->DecRef();
 807                     m_attrs.RemoveAt(n);
 808                     n--;
 809                     count--;
 810                 }
 811             }
 812         }
 813     }
 814 }
 815
 816 // ----------------------------------------------------------------------------
 817 // wxGridCellAttrProvider
 818 // ----------------------------------------------------------------------------
 819
 820 wxGridCellAttrProvider::wxGridCellAttrProvider()
 821 {
 822     m_data = NULL;
 823 }
 824
 825 wxGridCellAttrProvider::~wxGridCellAttrProvider()
 826 {
 827     delete m_data;
 828 }
 829
 830 void wxGridCellAttrProvider::InitData()
 831 {
 832     m_data = new wxGridCellAttrProviderData;
 833 }
 834
 835 wxGridCellAttr *wxGridCellAttrProvider::GetAttr(int row, int col,
 836                                                 wxGridCellAttr::wxAttrKind  kind ) const
 837 {
 838     wxGridCellAttr *attr = NULL;
 839     if ( m_data )
 840     {
 841         switch (kind)
 842         {
 843             case (wxGridCellAttr::Any):
 844                 // Get cached merge attributes.
 845                 // Currently not used as no cache implemented as not mutable
 846                 // attr = m_data->m_mergeAttr.GetAttr(row, col);
 847                 if (!attr)
 848                 {
 849                     // Basically implement old version.
 850                     // Also check merge cache, so we don't have to re-merge every time..
 851                     wxGridCellAttr *attrcell = m_data->m_cellAttrs.GetAttr(row, col);
 852                     wxGridCellAttr *attrrow = m_data->m_rowAttrs.GetAttr(row);
 853                     wxGridCellAttr *attrcol = m_data->m_colAttrs.GetAttr(col);
 854
 855                     if ((attrcell != attrrow) && (attrrow != attrcol) && (attrcell != attrcol))
 856                     {
 857                         // Two or more are non NULL
 858                         attr = new wxGridCellAttr;
 859                         attr->SetKind(wxGridCellAttr::Merged);
 860
 861                         // Order is important..
 862                         if (attrcell)
 863                         {
 864                             attr->MergeWith(attrcell);
 865                             attrcell->DecRef();
 866                         }
 867                         if (attrcol)
 868                         {
 869                             attr->MergeWith(attrcol);
 870                             attrcol->DecRef();
 871                         }
 872                         if (attrrow)
 873                         {
 874                             attr->MergeWith(attrrow);
 875                             attrrow->DecRef();
 876                         }
 877
 878                         // store merge attr if cache implemented
 879                         //attr->IncRef();
 880                         //m_data->m_mergeAttr.SetAttr(attr, row, col);
 881                     }
 882                     else
 883                     {
 884                         // one or none is non null return it or null.
 885                         if (attrrow)
 886                             attr = attrrow;
 887                         if (attrcol)
 888                         {
 889                             if (attr)
 890                                 attr->DecRef();
 891                             attr = attrcol;
 892                         }
 893                         if (attrcell)
 894                         {
 895                             if (attr)
 896                                 attr->DecRef();
 897                             attr = attrcell;
 898                         }
 899                     }
 900                 }
 901                 break;
 902
 903             case (wxGridCellAttr::Cell):
 904                 attr = m_data->m_cellAttrs.GetAttr(row, col);
 905                 break;
 906
 907             case (wxGridCellAttr::Col):
 908                 attr = m_data->m_colAttrs.GetAttr(col);
 909                 break;
 910
 911             case (wxGridCellAttr::Row):
 912                 attr = m_data->m_rowAttrs.GetAttr(row);
 913                 break;
 914
 915             default:
 916                 // unused as yet...
 917                 // (wxGridCellAttr::Default):
 918                 // (wxGridCellAttr::Merged):
 919                 break;
 920         }
 921     }
 922
 923     return attr;
 924 }
 925
 926 void wxGridCellAttrProvider::SetAttr(wxGridCellAttr *attr,
 927                                      int row, int col)
 928 {
 929     if ( !m_data )
 930         InitData();
 931
 932     m_data->m_cellAttrs.SetAttr(attr, row, col);
 933 }
 934
 935 void wxGridCellAttrProvider::SetRowAttr(wxGridCellAttr *attr, int row)
 936 {
 937     if ( !m_data )
 938         InitData();
 939
 940     m_data->m_rowAttrs.SetAttr(attr, row);
 941 }
 942
 943 void wxGridCellAttrProvider::SetColAttr(wxGridCellAttr *attr, int col)
 944 {
 945     if ( !m_data )
 946         InitData();
 947
 948     m_data->m_colAttrs.SetAttr(attr, col);
 949 }
 950
 951 void wxGridCellAttrProvider::UpdateAttrRows( size_t pos, int numRows )
 952 {
 953     if ( m_data )
 954     {
 955         m_data->m_cellAttrs.UpdateAttrRows( pos, numRows );
 956
 957         m_data->m_rowAttrs.UpdateAttrRowsOrCols( pos, numRows );
 958     }
 959 }
 960
 961 void wxGridCellAttrProvider::UpdateAttrCols( size_t pos, int numCols )
 962 {
 963     if ( m_data )
 964     {
 965         m_data->m_cellAttrs.UpdateAttrCols( pos, numCols );
 966
 967         m_data->m_colAttrs.UpdateAttrRowsOrCols( pos, numCols );
 968     }
 969 }
 970
 971 const wxGridColumnHeaderRenderer&
 972 wxGridCellAttrProvider::GetColumnHeaderRenderer(int WXUNUSED(col))
 973 {
 974     return gs_defaultHeaderRenderers.colRenderer;
 975 }
 976
 977 const wxGridRowHeaderRenderer&
 978 wxGridCellAttrProvider::GetRowHeaderRenderer(int WXUNUSED(row))
 979 {
 980     return gs_defaultHeaderRenderers.rowRenderer;
 981 }
 982
 983 const wxGridCornerHeaderRenderer& wxGridCellAttrProvider::GetCornerRenderer()
 984 {
 985     return gs_defaultHeaderRenderers.cornerRenderer;
 986 }
 987
 988 // ----------------------------------------------------------------------------
 989 // wxGridTableBase
 990 // ----------------------------------------------------------------------------
 991
 992 IMPLEMENT_ABSTRACT_CLASS( wxGridTableBase, wxObject )
 993
 994 wxGridTableBase::wxGridTableBase()
 995 {
 996     m_view = NULL;
 997     m_attrProvider = NULL;
 998 }
 999
1000 wxGridTableBase::~wxGridTableBase()
1001 {
1002     delete m_attrProvider;
1003 }
1004
1005 void wxGridTableBase::SetAttrProvider(wxGridCellAttrProvider *attrProvider)
1006 {
1007     delete m_attrProvider;
1008     m_attrProvider = attrProvider;
1009 }
1010
1011 bool wxGridTableBase::CanHaveAttributes()
1012 {
1013     if ( ! GetAttrProvider() )
1014     {
1015         // use the default attr provider by default
1016         SetAttrProvider(new wxGridCellAttrProvider);
1017     }
1018
1019     return true;
1020 }
1021
1022 wxGridCellAttr *wxGridTableBase::GetAttr(int row, int col, wxGridCellAttr::wxAttrKind  kind)
1023 {
1024     if ( m_attrProvider )
1025         return m_attrProvider->GetAttr(row, col, kind);
1026     else
1027         return NULL;
1028 }
1029
1030 void wxGridTableBase::SetAttr(wxGridCellAttr* attr, int row, int col)
1031 {
1032     if ( m_attrProvider )
1033     {
1034         if ( attr )
1035             attr->SetKind(wxGridCellAttr::Cell);
1036         m_attrProvider->SetAttr(attr, row, col);
1037     }
1038     else
1039     {
1040         // as we take ownership of the pointer and don't store it, we must
1041         // free it now
1042         wxSafeDecRef(attr);
1043     }
1044 }
1045
1046 void wxGridTableBase::SetRowAttr(wxGridCellAttr *attr, int row)
1047 {
1048     if ( m_attrProvider )
1049     {
1050         attr->SetKind(wxGridCellAttr::Row);
1051         m_attrProvider->SetRowAttr(attr, row);
1052     }
1053     else
1054     {
1055         // as we take ownership of the pointer and don't store it, we must
1056         // free it now
1057         wxSafeDecRef(attr);
1058     }
1059 }
1060
1061 void wxGridTableBase::SetColAttr(wxGridCellAttr *attr, int col)
1062 {
1063     if ( m_attrProvider )
1064     {
1065         attr->SetKind(wxGridCellAttr::Col);
1066         m_attrProvider->SetColAttr(attr, col);
1067     }
1068     else
1069     {
1070         // as we take ownership of the pointer and don't store it, we must
1071         // free it now
1072         wxSafeDecRef(attr);
1073     }
1074 }
1075
1076 bool wxGridTableBase::InsertRows( size_t WXUNUSED(pos),
1077                                   size_t WXUNUSED(numRows) )
1078 {
1079     wxFAIL_MSG( wxT("Called grid table class function InsertRows\nbut your derived table class does not override this function") );
1080
1081     return false;
1082 }
1083
1084 bool wxGridTableBase::AppendRows( size_t WXUNUSED(numRows) )
1085 {
1086     wxFAIL_MSG( wxT("Called grid table class function AppendRows\nbut your derived table class does not override this function"));
1087
1088     return false;
1089 }
1090
1091 bool wxGridTableBase::DeleteRows( size_t WXUNUSED(pos),
1092                                   size_t WXUNUSED(numRows) )
1093 {
1094     wxFAIL_MSG( wxT("Called grid table class function DeleteRows\nbut your derived table class does not override this function"));
1095
1096     return false;
1097 }
1098
1099 bool wxGridTableBase::InsertCols( size_t WXUNUSED(pos),
1100                                   size_t WXUNUSED(numCols) )
1101 {
1102     wxFAIL_MSG( wxT("Called grid table class function InsertCols\nbut your derived table class does not override this function"));
1103
1104     return false;
1105 }
1106
1107 bool wxGridTableBase::AppendCols( size_t WXUNUSED(numCols) )
1108 {
1109     wxFAIL_MSG(wxT("Called grid table class function AppendCols\nbut your derived table class does not override this function"));
1110
1111     return false;
1112 }
1113
1114 bool wxGridTableBase::DeleteCols( size_t WXUNUSED(pos),
1115                                   size_t WXUNUSED(numCols) )
1116 {
1117     wxFAIL_MSG( wxT("Called grid table class function DeleteCols\nbut your derived table class does not override this function"));
1118
1119     return false;
1120 }
1121
1122 wxString wxGridTableBase::GetRowLabelValue( int row )
1123 {
1124     wxString s;
1125
1126     // RD: Starting the rows at zero confuses users,
1127     // no matter how much it makes sense to us geeks.
1128     s << row + 1;
1129
1130     return s;
1131 }
1132
1133 wxString wxGridTableBase::GetColLabelValue( int col )
1134 {
1135     // default col labels are:
1136     //   cols 0 to 25   : A-Z
1137     //   cols 26 to 675 : AA-ZZ
1138     //   etc.
1139
1140     wxString s;
1141     unsigned int i, n;
1142     for ( n = 1; ; n++ )
1143     {
1144         s += (wxChar) (wxT('A') + (wxChar)(col % 26));
1145         col = col / 26 - 1;
1146         if ( col < 0 )
1147             break;
1148     }
1149
1150     // reverse the string...
1151     wxString s2;
1152     for ( i = 0; i < n; i++ )
1153     {
1154         s2 += s[n - i - 1];
1155     }
1156
1157     return s2;
1158 }
1159
1160 wxString wxGridTableBase::GetTypeName( int WXUNUSED(row), int WXUNUSED(col) )
1161 {
1162     return wxGRID_VALUE_STRING;
1163 }
1164
1165 bool wxGridTableBase::CanGetValueAs( int WXUNUSED(row), int WXUNUSED(col),
1166                                      const wxString& typeName )
1167 {
1168     return typeName == wxGRID_VALUE_STRING;
1169 }
1170
1171 bool wxGridTableBase::CanSetValueAs( int row, int col, const wxString& typeName )
1172 {
1173     return CanGetValueAs(row, col, typeName);
1174 }
1175
1176 long wxGridTableBase::GetValueAsLong( int WXUNUSED(row), int WXUNUSED(col) )
1177 {
1178     return 0;
1179 }
1180
1181 double wxGridTableBase::GetValueAsDouble( int WXUNUSED(row), int WXUNUSED(col) )
1182 {
1183     return 0.0;
1184 }
1185
1186 bool wxGridTableBase::GetValueAsBool( int WXUNUSED(row), int WXUNUSED(col) )
1187 {
1188     return false;
1189 }
1190
1191 void wxGridTableBase::SetValueAsLong( int WXUNUSED(row), int WXUNUSED(col),
1192                                       long WXUNUSED(value) )
1193 {
1194 }
1195
1196 void wxGridTableBase::SetValueAsDouble( int WXUNUSED(row), int WXUNUSED(col),
1197                                         double WXUNUSED(value) )
1198 {
1199 }
1200
1201 void wxGridTableBase::SetValueAsBool( int WXUNUSED(row), int WXUNUSED(col),
1202                                       bool WXUNUSED(value) )
1203 {
1204 }
1205
1206 void* wxGridTableBase::GetValueAsCustom( int WXUNUSED(row), int WXUNUSED(col),
1207                                          const wxString& WXUNUSED(typeName) )
1208 {
1209     return NULL;
1210 }
1211
1212 void  wxGridTableBase::SetValueAsCustom( int WXUNUSED(row), int WXUNUSED(col),
1213                                          const wxString& WXUNUSED(typeName),
1214                                          void* WXUNUSED(value) )
1215 {
1216 }
1217
1218 //////////////////////////////////////////////////////////////////////
1219 //
1220 // Message class for the grid table to send requests and notifications
1221 // to the grid view
1222 //
1223
1224 wxGridTableMessage::wxGridTableMessage()
1225 {
1226     m_table =  NULL;
1227     m_id = -1;
1228     m_comInt1 = -1;
1229     m_comInt2 = -1;
1230 }
1231
1232 wxGridTableMessage::wxGridTableMessage( wxGridTableBase *table, int id,
1233                                         int commandInt1, int commandInt2 )
1234 {
1235     m_table = table;
1236     m_id = id;
1237     m_comInt1 = commandInt1;
1238     m_comInt2 = commandInt2;
1239 }
1240
1241 //////////////////////////////////////////////////////////////////////
1242 //
1243 // A basic grid table for string data. An object of this class will
1244 // created by wxGrid if you don't specify an alternative table class.
1245 //
1246
1247 WX_DEFINE_OBJARRAY(wxGridStringArray)
1248
1249 IMPLEMENT_DYNAMIC_CLASS( wxGridStringTable, wxGridTableBase )
1250
1251 wxGridStringTable::wxGridStringTable()
1252         : wxGridTableBase()
1253 {
1254     m_numCols = 0;
1255 }
1256
1257 wxGridStringTable::wxGridStringTable( int numRows, int numCols )
1258         : wxGridTableBase()
1259 {
1260     m_numCols = numCols;
1261
1262     m_data.Alloc( numRows );
1263
1264     wxArrayString sa;
1265     sa.Alloc( numCols );
1266     sa.Add( wxEmptyString, numCols );
1267
1268     m_data.Add( sa, numRows );
1269 }
1270
1271 wxString wxGridStringTable::GetValue( int row, int col )
1272 {
1273     wxCHECK_MSG( (row >= 0 && row < GetNumberRows()) &&
1274                  (col >= 0 && col < GetNumberCols()),
1275                  wxEmptyString,
1276                  wxT("invalid row or column index in wxGridStringTable") );
1277
1278     return m_data[row][col];
1279 }
1280
1281 void wxGridStringTable::SetValue( int row, int col, const wxString& value )
1282 {
1283     wxCHECK_RET( (row >= 0 && row < GetNumberRows()) &&
1284                  (col >= 0 && col < GetNumberCols()),
1285                  wxT("invalid row or column index in wxGridStringTable") );
1286
1287     m_data[row][col] = value;
1288 }
1289
1290 void wxGridStringTable::Clear()
1291 {
1292     int row, col;
1293     int numRows, numCols;
1294
1295     numRows = m_data.GetCount();
1296     if ( numRows > 0 )
1297     {
1298         numCols = m_data[0].GetCount();
1299
1300         for ( row = 0; row < numRows; row++ )
1301         {
1302             for ( col = 0; col < numCols; col++ )
1303             {
1304                 m_data[row][col] = wxEmptyString;
1305             }
1306         }
1307     }
1308 }
1309
1310 bool wxGridStringTable::InsertRows( size_t pos, size_t numRows )
1311 {
1312     size_t curNumRows = m_data.GetCount();
1313     size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
1314                           ( GetView() ? GetView()->GetNumberCols() : 0 ) );
1315
1316     if ( pos >= curNumRows )
1317     {
1318         return AppendRows( numRows );
1319     }
1320
1321     wxArrayString sa;
1322     sa.Alloc( curNumCols );
1323     sa.Add( wxEmptyString, curNumCols );
1324     m_data.Insert( sa, pos, numRows );
1325
1326     if ( GetView() )
1327     {
1328         wxGridTableMessage msg( this,
1329                                 wxGRIDTABLE_NOTIFY_ROWS_INSERTED,
1330                                 pos,
1331                                 numRows );
1332
1333         GetView()->ProcessTableMessage( msg );
1334     }
1335
1336     return true;
1337 }
1338
1339 bool wxGridStringTable::AppendRows( size_t numRows )
1340 {
1341     size_t curNumRows = m_data.GetCount();
1342     size_t curNumCols = ( curNumRows > 0
1343                          ? m_data[0].GetCount()
1344                          : ( GetView() ? GetView()->GetNumberCols() : 0 ) );
1345
1346     wxArrayString sa;
1347     if ( curNumCols > 0 )
1348     {
1349         sa.Alloc( curNumCols );
1350         sa.Add( wxEmptyString, curNumCols );
1351     }
1352
1353     m_data.Add( sa, numRows );
1354
1355     if ( GetView() )
1356     {
1357         wxGridTableMessage msg( this,
1358                                 wxGRIDTABLE_NOTIFY_ROWS_APPENDED,
1359                                 numRows );
1360
1361         GetView()->ProcessTableMessage( msg );
1362     }
1363
1364     return true;
1365 }
1366
1367 bool wxGridStringTable::DeleteRows( size_t pos, size_t numRows )
1368 {
1369     size_t curNumRows = m_data.GetCount();
1370
1371     if ( pos >= curNumRows )
1372     {
1373         wxFAIL_MSG( wxString::Format
1374                     (
1375                         wxT("Called wxGridStringTable::DeleteRows(pos=%lu, N=%lu)\nPos value is invalid for present table with %lu rows"),
1376                         (unsigned long)pos,
1377                         (unsigned long)numRows,
1378                         (unsigned long)curNumRows
1379                     ) );
1380
1381         return false;
1382     }
1383
1384     if ( numRows > curNumRows - pos )
1385     {
1386         numRows = curNumRows - pos;
1387     }
1388
1389     if ( numRows >= curNumRows )
1390     {
1391         m_data.Clear();
1392     }
1393     else
1394     {
1395         m_data.RemoveAt( pos, numRows );
1396     }
1397
1398     if ( GetView() )
1399     {
1400         wxGridTableMessage msg( this,
1401                                 wxGRIDTABLE_NOTIFY_ROWS_DELETED,
1402                                 pos,
1403                                 numRows );
1404
1405         GetView()->ProcessTableMessage( msg );
1406     }
1407
1408     return true;
1409 }
1410
1411 bool wxGridStringTable::InsertCols( size_t pos, size_t numCols )
1412 {
1413     size_t row, col;
1414
1415     size_t curNumRows = m_data.GetCount();
1416     size_t curNumCols = ( curNumRows > 0
1417                          ? m_data[0].GetCount()
1418                          : ( GetView() ? GetView()->GetNumberCols() : 0 ) );
1419
1420     if ( pos >= curNumCols )
1421     {
1422         return AppendCols( numCols );
1423     }
1424
1425     if ( !m_colLabels.IsEmpty() )
1426     {
1427         m_colLabels.Insert( wxEmptyString, pos, numCols );
1428
1429         size_t i;
1430         for ( i = pos; i < pos + numCols; i++ )
1431             m_colLabels[i] = wxGridTableBase::GetColLabelValue( i );
1432     }
1433
1434     for ( row = 0; row < curNumRows; row++ )
1435     {
1436         for ( col = pos; col < pos + numCols; col++ )
1437         {
1438             m_data[row].Insert( wxEmptyString, col );
1439         }
1440     }
1441
1442     m_numCols += numCols;
1443
1444     if ( GetView() )
1445     {
1446         wxGridTableMessage msg( this,
1447                                 wxGRIDTABLE_NOTIFY_COLS_INSERTED,
1448                                 pos,
1449                                 numCols );
1450
1451         GetView()->ProcessTableMessage( msg );
1452     }
1453
1454     return true;
1455 }
1456
1457 bool wxGridStringTable::AppendCols( size_t numCols )
1458 {
1459     size_t row;
1460
1461     size_t curNumRows = m_data.GetCount();
1462
1463     for ( row = 0; row < curNumRows; row++ )
1464     {
1465         m_data[row].Add( wxEmptyString, numCols );
1466     }
1467
1468     m_numCols += numCols;
1469
1470     if ( GetView() )
1471     {
1472         wxGridTableMessage msg( this,
1473                                 wxGRIDTABLE_NOTIFY_COLS_APPENDED,
1474                                 numCols );
1475
1476         GetView()->ProcessTableMessage( msg );
1477     }
1478
1479     return true;
1480 }
1481
1482 bool wxGridStringTable::DeleteCols( size_t pos, size_t numCols )
1483 {
1484     size_t row;
1485
1486     size_t curNumRows = m_data.GetCount();
1487     size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
1488                           ( GetView() ? GetView()->GetNumberCols() : 0 ) );
1489
1490     if ( pos >= curNumCols )
1491     {
1492         wxFAIL_MSG( wxString::Format
1493                     (
1494                         wxT("Called wxGridStringTable::DeleteCols(pos=%lu, N=%lu)\nPos value is invalid for present table with %lu cols"),
1495                         (unsigned long)pos,
1496                         (unsigned long)numCols,
1497                         (unsigned long)curNumCols
1498                     ) );
1499         return false;
1500     }
1501
1502     int colID;
1503     if ( GetView() )
1504         colID = GetView()->GetColAt( pos );
1505     else
1506         colID = pos;
1507
1508     if ( numCols > curNumCols - colID )
1509     {
1510         numCols = curNumCols - colID;
1511     }
1512
1513     if ( !m_colLabels.IsEmpty() )
1514     {
1515         // m_colLabels stores just as many elements as it needs, e.g. if only
1516         // the label of the first column had been set it would have only one
1517         // element and not numCols, so account for it
1518         int nToRm = m_colLabels.size() - colID;
1519         if ( nToRm > 0 )
1520             m_colLabels.RemoveAt( colID, nToRm );
1521     }
1522
1523     if ( numCols >= curNumCols )
1524     {
1525         for ( row = 0; row < curNumRows; row++ )
1526         {
1527             m_data[row].Clear();
1528         }
1529
1530         m_numCols = 0;
1531     }
1532     else // something will be left
1533     {
1534         for ( row = 0; row < curNumRows; row++ )
1535         {
1536             m_data[row].RemoveAt( colID, numCols );
1537         }
1538
1539         m_numCols -= numCols;
1540     }
1541
1542     if ( GetView() )
1543     {
1544         wxGridTableMessage msg( this,
1545                                 wxGRIDTABLE_NOTIFY_COLS_DELETED,
1546                                 pos,
1547                                 numCols );
1548
1549         GetView()->ProcessTableMessage( msg );
1550     }
1551
1552     return true;
1553 }
1554
1555 wxString wxGridStringTable::GetRowLabelValue( int row )
1556 {
1557     if ( row > (int)(m_rowLabels.GetCount()) - 1 )
1558     {
1559         // using default label
1560         //
1561         return wxGridTableBase::GetRowLabelValue( row );
1562     }
1563     else
1564     {
1565         return m_rowLabels[row];
1566     }
1567 }
1568
1569 wxString wxGridStringTable::GetColLabelValue( int col )
1570 {
1571     if ( col > (int)(m_colLabels.GetCount()) - 1 )
1572     {
1573         // using default label
1574         //
1575         return wxGridTableBase::GetColLabelValue( col );
1576     }
1577     else
1578     {
1579         return m_colLabels[col];
1580     }
1581 }
1582
1583 void wxGridStringTable::SetRowLabelValue( int row, const wxString& value )
1584 {
1585     if ( row > (int)(m_rowLabels.GetCount()) - 1 )
1586     {
1587         int n = m_rowLabels.GetCount();
1588         int i;
1589
1590         for ( i = n; i <= row; i++ )
1591         {
1592             m_rowLabels.Add( wxGridTableBase::GetRowLabelValue(i) );
1593         }
1594     }
1595
1596     m_rowLabels[row] = value;
1597 }
1598
1599 void wxGridStringTable::SetColLabelValue( int col, const wxString& value )
1600 {
1601     if ( col > (int)(m_colLabels.GetCount()) - 1 )
1602     {
1603         int n = m_colLabels.GetCount();
1604         int i;
1605
1606         for ( i = n; i <= col; i++ )
1607         {
1608             m_colLabels.Add( wxGridTableBase::GetColLabelValue(i) );
1609         }
1610     }
1611
1612     m_colLabels[col] = value;
1613 }
1614
1615
1616 //////////////////////////////////////////////////////////////////////
1617 //////////////////////////////////////////////////////////////////////
1618
1619 BEGIN_EVENT_TABLE(wxGridSubwindow, wxWindow)
1620     EVT_MOUSE_CAPTURE_LOST(wxGridSubwindow::OnMouseCaptureLost)
1621 END_EVENT_TABLE()
1622
1623 void wxGridSubwindow::OnMouseCaptureLost(wxMouseCaptureLostEvent& WXUNUSED(event))
1624 {
1625     m_owner->CancelMouseCapture();
1626 }
1627
1628 BEGIN_EVENT_TABLE( wxGridRowLabelWindow, wxGridSubwindow )
1629     EVT_PAINT( wxGridRowLabelWindow::OnPaint )
1630     EVT_MOUSEWHEEL( wxGridRowLabelWindow::OnMouseWheel )
1631     EVT_MOUSE_EVENTS( wxGridRowLabelWindow::OnMouseEvent )
1632 END_EVENT_TABLE()
1633
1634 void wxGridRowLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
1635 {
1636     wxPaintDC dc(this);
1637
1638     // NO - don't do this because it will set both the x and y origin
1639     // coords to match the parent scrolled window and we just want to
1640     // set the y coord  - MB
1641     //
1642     // m_owner->PrepareDC( dc );
1643
1644     int x, y;
1645     m_owner->CalcUnscrolledPosition( 0, 0, &x, &y );
1646     wxPoint pt = dc.GetDeviceOrigin();
1647     dc.SetDeviceOrigin( pt.x, pt.y-y );
1648
1649     wxArrayInt rows = m_owner->CalcRowLabelsExposed( GetUpdateRegion() );
1650     m_owner->DrawRowLabels( dc, rows );
1651 }
1652
1653 void wxGridRowLabelWindow::OnMouseEvent( wxMouseEvent& event )
1654 {
1655     m_owner->ProcessRowLabelMouseEvent( event );
1656 }
1657
1658 void wxGridRowLabelWindow::OnMouseWheel( wxMouseEvent& event )
1659 {
1660     if (!m_owner->GetEventHandler()->ProcessEvent( event ))
1661         event.Skip();
1662 }
1663
1664 //////////////////////////////////////////////////////////////////////
1665
1666 BEGIN_EVENT_TABLE( wxGridColLabelWindow, wxGridSubwindow )
1667     EVT_PAINT( wxGridColLabelWindow::OnPaint )
1668     EVT_MOUSEWHEEL( wxGridColLabelWindow::OnMouseWheel )
1669     EVT_MOUSE_EVENTS( wxGridColLabelWindow::OnMouseEvent )
1670 END_EVENT_TABLE()
1671
1672 void wxGridColLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
1673 {
1674     wxPaintDC dc(this);
1675
1676     // NO - don't do this because it will set both the x and y origin
1677     // coords to match the parent scrolled window and we just want to
1678     // set the x coord  - MB
1679     //
1680     // m_owner->PrepareDC( dc );
1681
1682     int x, y;
1683     m_owner->CalcUnscrolledPosition( 0, 0, &x, &y );
1684     wxPoint pt = dc.GetDeviceOrigin();
1685     if (GetLayoutDirection() == wxLayout_RightToLeft)
1686         dc.SetDeviceOrigin( pt.x+x, pt.y );
1687     else
1688         dc.SetDeviceOrigin( pt.x-x, pt.y );
1689
1690     wxArrayInt cols = m_owner->CalcColLabelsExposed( GetUpdateRegion() );
1691     m_owner->DrawColLabels( dc, cols );
1692 }
1693
1694 void wxGridColLabelWindow::OnMouseEvent( wxMouseEvent& event )
1695 {
1696     m_owner->ProcessColLabelMouseEvent( event );
1697 }
1698
1699 void wxGridColLabelWindow::OnMouseWheel( wxMouseEvent& event )
1700 {
1701     if (!m_owner->GetEventHandler()->ProcessEvent( event ))
1702         event.Skip();
1703 }
1704
1705 //////////////////////////////////////////////////////////////////////
1706
1707 BEGIN_EVENT_TABLE( wxGridCornerLabelWindow, wxGridSubwindow )
1708     EVT_MOUSEWHEEL( wxGridCornerLabelWindow::OnMouseWheel )
1709     EVT_MOUSE_EVENTS( wxGridCornerLabelWindow::OnMouseEvent )
1710     EVT_PAINT( wxGridCornerLabelWindow::OnPaint )
1711 END_EVENT_TABLE()
1712
1713 void wxGridCornerLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
1714 {
1715     wxPaintDC dc(this);
1716
1717     m_owner->DrawCornerLabel(dc);
1718 }
1719
1720 void wxGridCornerLabelWindow::OnMouseEvent( wxMouseEvent& event )
1721 {
1722     m_owner->ProcessCornerLabelMouseEvent( event );
1723 }
1724
1725 void wxGridCornerLabelWindow::OnMouseWheel( wxMouseEvent& event )
1726 {
1727     if (!m_owner->GetEventHandler()->ProcessEvent(event))
1728         event.Skip();
1729 }
1730
1731 //////////////////////////////////////////////////////////////////////
1732
1733 BEGIN_EVENT_TABLE( wxGridWindow, wxGridSubwindow )
1734     EVT_PAINT( wxGridWindow::OnPaint )
1735     EVT_MOUSEWHEEL( wxGridWindow::OnMouseWheel )
1736     EVT_MOUSE_EVENTS( wxGridWindow::OnMouseEvent )
1737     EVT_KEY_DOWN( wxGridWindow::OnKeyDown )
1738     EVT_KEY_UP( wxGridWindow::OnKeyUp )
1739     EVT_CHAR( wxGridWindow::OnChar )
1740     EVT_SET_FOCUS( wxGridWindow::OnFocus )
1741     EVT_KILL_FOCUS( wxGridWindow::OnFocus )
1742     EVT_ERASE_BACKGROUND( wxGridWindow::OnEraseBackground )
1743 END_EVENT_TABLE()
1744
1745 void wxGridWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1746 {
1747     wxPaintDC dc( this );
1748     m_owner->PrepareDC( dc );
1749     wxRegion reg = GetUpdateRegion();
1750     wxGridCellCoordsArray dirtyCells = m_owner->CalcCellsExposed( reg );
1751     m_owner->DrawGridCellArea( dc, dirtyCells );
1752
1753     m_owner->DrawGridSpace( dc );
1754
1755     m_owner->DrawAllGridLines( dc, reg );
1756
1757     m_owner->DrawHighlight( dc, dirtyCells );
1758 }
1759
1760 void wxGridWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
1761 {
1762     wxWindow::ScrollWindow( dx, dy, rect );
1763     m_owner->GetGridRowLabelWindow()->ScrollWindow( 0, dy, rect );
1764     m_owner->GetGridColLabelWindow()->ScrollWindow( dx, 0, rect );
1765 }
1766
1767 void wxGridWindow::OnMouseEvent( wxMouseEvent& event )
1768 {
1769     if (event.ButtonDown(wxMOUSE_BTN_LEFT) && FindFocus() != this)
1770         SetFocus();
1771
1772     m_owner->ProcessGridCellMouseEvent( event );
1773 }
1774
1775 void wxGridWindow::OnMouseWheel( wxMouseEvent& event )
1776 {
1777     if (!m_owner->GetEventHandler()->ProcessEvent( event ))
1778         event.Skip();
1779 }
1780
1781 // This seems to be required for wxMotif/wxGTK otherwise the mouse
1782 // cursor must be in the cell edit control to get key events
1783 //
1784 void wxGridWindow::OnKeyDown( wxKeyEvent& event )
1785 {
1786     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
1787         event.Skip();
1788 }
1789
1790 void wxGridWindow::OnKeyUp( wxKeyEvent& event )
1791 {
1792     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
1793         event.Skip();
1794 }
1795
1796 void wxGridWindow::OnChar( wxKeyEvent& event )
1797 {
1798     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
1799         event.Skip();
1800 }
1801
1802 void wxGridWindow::OnEraseBackground( wxEraseEvent& WXUNUSED(event) )
1803 {
1804 }
1805
1806 void wxGridWindow::OnFocus(wxFocusEvent& event)
1807 {
1808     // and if we have any selection, it has to be repainted, because it
1809     // uses different colour when the grid is not focused:
1810     if ( m_owner->IsSelection() )
1811     {
1812         Refresh();
1813     }
1814     else
1815     {
1816         // NB: Note that this code is in "else" branch only because the other
1817         //     branch refreshes everything and so there's no point in calling
1818         //     Refresh() again, *not* because it should only be done if
1819         //     !IsSelection(). If the above code is ever optimized to refresh
1820         //     only selected area, this needs to be moved out of the "else"
1821         //     branch so that it's always executed.
1822
1823         // current cell cursor {dis,re}appears on focus change:
1824         const wxGridCellCoords cursorCoords(m_owner->GetGridCursorRow(),
1825                                             m_owner->GetGridCursorCol());
1826         const wxRect cursor =
1827             m_owner->BlockToDeviceRect(cursorCoords, cursorCoords);
1828         Refresh(true, &cursor);
1829     }
1830
1831     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
1832         event.Skip();
1833 }
1834
1835 #define internalXToCol(x) XToCol(x, true)
1836 #define internalYToRow(y) YToRow(y, true)
1837
1838 /////////////////////////////////////////////////////////////////////
1839
1840 #if wxUSE_EXTENDED_RTTI
1841 WX_DEFINE_FLAGS( wxGridStyle )
1842
1843 wxBEGIN_FLAGS( wxGridStyle )
1844     // new style border flags, we put them first to
1845     // use them for streaming out
1846     wxFLAGS_MEMBER(wxBORDER_SIMPLE)
1847     wxFLAGS_MEMBER(wxBORDER_SUNKEN)
1848     wxFLAGS_MEMBER(wxBORDER_DOUBLE)
1849     wxFLAGS_MEMBER(wxBORDER_RAISED)
1850     wxFLAGS_MEMBER(wxBORDER_STATIC)
1851     wxFLAGS_MEMBER(wxBORDER_NONE)
1852
1853     // old style border flags
1854     wxFLAGS_MEMBER(wxSIMPLE_BORDER)
1855     wxFLAGS_MEMBER(wxSUNKEN_BORDER)
1856     wxFLAGS_MEMBER(wxDOUBLE_BORDER)
1857     wxFLAGS_MEMBER(wxRAISED_BORDER)
1858     wxFLAGS_MEMBER(wxSTATIC_BORDER)
1859     wxFLAGS_MEMBER(wxBORDER)
1860
1861     // standard window styles
1862     wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
1863     wxFLAGS_MEMBER(wxCLIP_CHILDREN)
1864     wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
1865     wxFLAGS_MEMBER(wxWANTS_CHARS)
1866     wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
1867     wxFLAGS_MEMBER(wxALWAYS_SHOW_SB)
1868     wxFLAGS_MEMBER(wxVSCROLL)
1869     wxFLAGS_MEMBER(wxHSCROLL)
1870
1871 wxEND_FLAGS( wxGridStyle )
1872
1873 IMPLEMENT_DYNAMIC_CLASS_XTI(wxGrid, wxScrolledWindow,"wx/grid.h")
1874
1875 wxBEGIN_PROPERTIES_TABLE(wxGrid)
1876     wxHIDE_PROPERTY( Children )
1877     wxPROPERTY_FLAGS( WindowStyle , wxGridStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE, 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
1878 wxEND_PROPERTIES_TABLE()
1879
1880 wxBEGIN_HANDLERS_TABLE(wxGrid)
1881 wxEND_HANDLERS_TABLE()
1882
1883 wxCONSTRUCTOR_5( wxGrid , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size , long , WindowStyle )
1884
1885 /*
1886  TODO : Expose more information of a list's layout, etc. via appropriate objects (e.g., NotebookPageInfo)
1887 */
1888 #else
1889 IMPLEMENT_DYNAMIC_CLASS( wxGrid, wxScrolledWindow )
1890 #endif
1891
1892 BEGIN_EVENT_TABLE( wxGrid, wxScrolledWindow )
1893     EVT_PAINT( wxGrid::OnPaint )
1894     EVT_SIZE( wxGrid::OnSize )
1895     EVT_KEY_DOWN( wxGrid::OnKeyDown )
1896     EVT_KEY_UP( wxGrid::OnKeyUp )
1897     EVT_CHAR ( wxGrid::OnChar )
1898     EVT_ERASE_BACKGROUND( wxGrid::OnEraseBackground )
1899 END_EVENT_TABLE()
1900
1901 bool wxGrid::Create(wxWindow *parent, wxWindowID id,
1902                           const wxPoint& pos, const wxSize& size,
1903                           long style, const wxString& name)
1904 {
1905     if (!wxScrolledWindow::Create(parent, id, pos, size,
1906                                   style | wxWANTS_CHARS, name))
1907         return false;
1908
1909     m_colMinWidths = wxLongToLongHashMap(GRID_HASH_SIZE);
1910     m_rowMinHeights = wxLongToLongHashMap(GRID_HASH_SIZE);
1911
1912     Create();
1913     SetInitialSize(size);
1914     SetScrollRate(m_scrollLineX, m_scrollLineY);
1915     CalcDimensions();
1916
1917     return true;
1918 }
1919
1920 wxGrid::~wxGrid()
1921 {
1922     if ( m_winCapture )
1923         m_winCapture->ReleaseMouse();
1924
1925     // Ensure that the editor control is destroyed before the grid is,
1926     // otherwise we crash later when the editor tries to do something with the
1927     // half destroyed grid
1928     HideCellEditControl();
1929
1930     // Must do this or ~wxScrollHelper will pop the wrong event handler
1931     SetTargetWindow(this);
1932     ClearAttrCache();
1933     wxSafeDecRef(m_defaultCellAttr);
1934
1935 #ifdef DEBUG_ATTR_CACHE
1936     size_t total = gs_nAttrCacheHits + gs_nAttrCacheMisses;
1937     wxPrintf(wxT("wxGrid attribute cache statistics: "
1938                 "total: %u, hits: %u (%u%%)\n"),
1939              total, gs_nAttrCacheHits,
1940              total ? (gs_nAttrCacheHits*100) / total : 0);
1941 #endif
1942
1943     // if we own the table, just delete it, otherwise at least don't leave it
1944     // with dangling view pointer
1945     if ( m_ownTable )
1946         delete m_table;
1947     else if ( m_table && m_table->GetView() == this )
1948         m_table->SetView(NULL);
1949
1950     delete m_typeRegistry;
1951     delete m_selection;
1952
1953     delete m_setFixedRows;
1954     delete m_setFixedCols;
1955 }
1956
1957 //
1958 // ----- internal init and update functions
1959 //
1960
1961 // NOTE: If using the default visual attributes works everywhere then this can
1962 // be removed as well as the #else cases below.
1963 #define _USE_VISATTR 0
1964
1965 void wxGrid::Create()
1966 {
1967     // create the type registry
1968     m_typeRegistry = new wxGridTypeRegistry;
1969
1970     m_cellEditCtrlEnabled = false;
1971
1972     m_defaultCellAttr = new wxGridCellAttr();
1973
1974     // Set default cell attributes
1975     m_defaultCellAttr->SetDefAttr(m_defaultCellAttr);
1976     m_defaultCellAttr->SetKind(wxGridCellAttr::Default);
1977     m_defaultCellAttr->SetFont(GetFont());
1978     m_defaultCellAttr->SetAlignment(wxALIGN_LEFT, wxALIGN_TOP);
1979     m_defaultCellAttr->SetRenderer(new wxGridCellStringRenderer);
1980     m_defaultCellAttr->SetEditor(new wxGridCellTextEditor);
1981
1982 #if _USE_VISATTR
1983     wxVisualAttributes gva = wxListBox::GetClassDefaultAttributes();
1984     wxVisualAttributes lva = wxPanel::GetClassDefaultAttributes();
1985
1986     m_defaultCellAttr->SetTextColour(gva.colFg);
1987     m_defaultCellAttr->SetBackgroundColour(gva.colBg);
1988
1989 #else
1990     m_defaultCellAttr->SetTextColour(
1991         wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
1992     m_defaultCellAttr->SetBackgroundColour(
1993         wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
1994 #endif
1995
1996     m_numRows = 0;
1997     m_numCols = 0;
1998     m_currentCellCoords = wxGridNoCellCoords;
1999
2000     // subwindow components that make up the wxGrid
2001     m_rowLabelWin = new wxGridRowLabelWindow(this);
2002     CreateColumnWindow();
2003     m_cornerLabelWin = new wxGridCornerLabelWindow(this);
2004     m_gridWin = new wxGridWindow( this );
2005
2006     SetTargetWindow( m_gridWin );
2007
2008 #if _USE_VISATTR
2009     wxColour gfg = gva.colFg;
2010     wxColour gbg = gva.colBg;
2011     wxColour lfg = lva.colFg;
2012     wxColour lbg = lva.colBg;
2013 #else
2014     wxColour gfg = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOWTEXT );
2015     wxColour gbg = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOW );
2016     wxColour lfg = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOWTEXT );
2017     wxColour lbg = wxSystemSettings::GetColour( wxSYS_COLOUR_BTNFACE );
2018 #endif
2019
2020     m_cornerLabelWin->SetOwnForegroundColour(lfg);
2021     m_cornerLabelWin->SetOwnBackgroundColour(lbg);
2022     m_rowLabelWin->SetOwnForegroundColour(lfg);
2023     m_rowLabelWin->SetOwnBackgroundColour(lbg);
2024     m_colWindow->SetOwnForegroundColour(lfg);
2025     m_colWindow->SetOwnBackgroundColour(lbg);
2026
2027     m_gridWin->SetOwnForegroundColour(gfg);
2028     m_gridWin->SetOwnBackgroundColour(gbg);
2029
2030     m_labelBackgroundColour = m_rowLabelWin->GetBackgroundColour();
2031     m_labelTextColour = m_rowLabelWin->GetForegroundColour();
2032
2033     // now that we have the grid window, use its font to compute the default
2034     // row height
2035     m_defaultRowHeight = m_gridWin->GetCharHeight();
2036 #if defined(__WXMOTIF__) || defined(__WXGTK__)  // see also text ctrl sizing in ShowCellEditControl()
2037     m_defaultRowHeight += 8;
2038 #else
2039     m_defaultRowHeight += 4;
2040 #endif
2041
2042 }
2043
2044 void wxGrid::CreateColumnWindow()
2045 {
2046     if ( m_useNativeHeader )
2047     {
2048         m_colWindow = new wxGridHeaderCtrl(this);
2049         m_colLabelHeight = m_colWindow->GetBestSize().y;
2050     }
2051     else // draw labels ourselves
2052     {
2053         m_colWindow = new wxGridColLabelWindow(this);
2054         m_colLabelHeight = WXGRID_DEFAULT_COL_LABEL_HEIGHT;
2055     }
2056 }
2057
2058 bool wxGrid::CreateGrid( int numRows, int numCols,
2059                          wxGridSelectionModes selmode )
2060 {
2061     wxCHECK_MSG( !m_created,
2062                  false,
2063                  wxT("wxGrid::CreateGrid or wxGrid::SetTable called more than once") );
2064
2065     return SetTable(new wxGridStringTable(numRows, numCols), true, selmode);
2066 }
2067
2068 void wxGrid::SetSelectionMode(wxGridSelectionModes selmode)
2069 {
2070     wxCHECK_RET( m_created,
2071                  wxT("Called wxGrid::SetSelectionMode() before calling CreateGrid()") );
2072
2073     m_selection->SetSelectionMode( selmode );
2074 }
2075
2076 wxGrid::wxGridSelectionModes wxGrid::GetSelectionMode() const
2077 {
2078     wxCHECK_MSG( m_created, wxGridSelectCells,
2079                  wxT("Called wxGrid::GetSelectionMode() before calling CreateGrid()") );
2080
2081     return m_selection->GetSelectionMode();
2082 }
2083
2084 bool
2085 wxGrid::SetTable(wxGridTableBase *table,
2086                  bool takeOwnership,
2087                  wxGrid::wxGridSelectionModes selmode )
2088 {
2089     bool checkSelection = false;
2090     if ( m_created )
2091     {
2092         // stop all processing
2093         m_created = false;
2094
2095         if (m_table)
2096         {
2097             m_table->SetView(0);
2098             if( m_ownTable )
2099                 delete m_table;
2100             m_table = NULL;
2101         }
2102
2103         delete m_selection;
2104         m_selection = NULL;
2105
2106         m_ownTable = false;
2107         m_numRows = 0;
2108         m_numCols = 0;
2109         checkSelection = true;
2110
2111         // kill row and column size arrays
2112         m_colWidths.Empty();
2113         m_colRights.Empty();
2114         m_rowHeights.Empty();
2115         m_rowBottoms.Empty();
2116     }
2117
2118     if (table)
2119     {
2120         m_numRows = table->GetNumberRows();
2121         m_numCols = table->GetNumberCols();
2122
2123         if ( m_useNativeHeader )
2124             GetGridColHeader()->SetColumnCount(m_numCols);
2125
2126         m_table = table;
2127         m_table->SetView( this );
2128         m_ownTable = takeOwnership;
2129         m_selection = new wxGridSelection( this, selmode );
2130         if (checkSelection)
2131         {
2132             // If the newly set table is smaller than the
2133             // original one current cell and selection regions
2134             // might be invalid,
2135             m_selectedBlockCorner = wxGridNoCellCoords;
2136             m_currentCellCoords =
2137               wxGridCellCoords(wxMin(m_numRows, m_currentCellCoords.GetRow()),
2138                                wxMin(m_numCols, m_currentCellCoords.GetCol()));
2139             if (m_selectedBlockTopLeft.GetRow() >= m_numRows ||
2140                 m_selectedBlockTopLeft.GetCol() >= m_numCols)
2141             {
2142                 m_selectedBlockTopLeft = wxGridNoCellCoords;
2143                 m_selectedBlockBottomRight = wxGridNoCellCoords;
2144             }
2145             else
2146                 m_selectedBlockBottomRight =
2147                   wxGridCellCoords(wxMin(m_numRows,
2148                                          m_selectedBlockBottomRight.GetRow()),
2149                                    wxMin(m_numCols,
2150                                          m_selectedBlockBottomRight.GetCol()));
2151         }
2152         CalcDimensions();
2153
2154         m_created = true;
2155     }
2156
2157     return m_created;
2158 }
2159
2160 void wxGrid::Init()
2161 {
2162     m_created = false;
2163
2164     m_cornerLabelWin = NULL;
2165     m_rowLabelWin = NULL;
2166     m_colWindow = NULL;
2167     m_gridWin = NULL;
2168
2169     m_table = NULL;
2170     m_ownTable = false;
2171
2172     m_selection = NULL;
2173     m_defaultCellAttr = NULL;
2174     m_typeRegistry = NULL;
2175     m_winCapture = NULL;
2176
2177     m_rowLabelWidth  = WXGRID_DEFAULT_ROW_LABEL_WIDTH;
2178     m_colLabelHeight = WXGRID_DEFAULT_COL_LABEL_HEIGHT;
2179
2180     m_setFixedRows =
2181     m_setFixedCols = NULL;
2182
2183     // init attr cache
2184     m_attrCache.row = -1;
2185     m_attrCache.col = -1;
2186     m_attrCache.attr = NULL;
2187
2188     m_labelFont = GetFont();
2189     m_labelFont.SetWeight( wxBOLD );
2190
2191     m_rowLabelHorizAlign = wxALIGN_CENTRE;
2192     m_rowLabelVertAlign  = wxALIGN_CENTRE;
2193
2194     m_colLabelHorizAlign = wxALIGN_CENTRE;
2195     m_colLabelVertAlign  = wxALIGN_CENTRE;
2196     m_colLabelTextOrientation = wxHORIZONTAL;
2197
2198     m_defaultColWidth  = WXGRID_DEFAULT_COL_WIDTH;
2199     m_defaultRowHeight = 0; // this will be initialized after creation
2200
2201     m_minAcceptableColWidth  = WXGRID_MIN_COL_WIDTH;
2202     m_minAcceptableRowHeight = WXGRID_MIN_ROW_HEIGHT;
2203
2204     m_gridLineColour = wxColour( 192,192,192 );
2205     m_gridLinesEnabled = true;
2206     m_gridLinesClipHorz =
2207     m_gridLinesClipVert = true;
2208     m_cellHighlightColour = *wxBLACK;
2209     m_cellHighlightPenWidth = 2;
2210     m_cellHighlightROPenWidth = 1;
2211
2212     m_canDragColMove = false;
2213
2214     m_cursorMode  = WXGRID_CURSOR_SELECT_CELL;
2215     m_winCapture = NULL;
2216     m_canDragRowSize = true;
2217     m_canDragColSize = true;
2218     m_canDragGridSize = true;
2219     m_canDragCell = false;
2220     m_dragLastPos  = -1;
2221     m_dragRowOrCol = -1;
2222     m_isDragging = false;
2223     m_startDragPos = wxDefaultPosition;
2224
2225     m_sortCol = wxNOT_FOUND;
2226     m_sortIsAscending = true;
2227
2228     m_useNativeHeader =
2229     m_nativeColumnLabels = false;
2230
2231     m_waitForSlowClick = false;
2232
2233     m_rowResizeCursor = wxCursor( wxCURSOR_SIZENS );
2234     m_colResizeCursor = wxCursor( wxCURSOR_SIZEWE );
2235
2236     m_currentCellCoords = wxGridNoCellCoords;
2237
2238     m_selectedBlockTopLeft =
2239     m_selectedBlockBottomRight =
2240     m_selectedBlockCorner = wxGridNoCellCoords;
2241
2242     m_selectionBackground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
2243     m_selectionForeground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
2244
2245     m_editable = true;  // default for whole grid
2246
2247     m_inOnKeyDown = false;
2248     m_batchCount = 0;
2249
2250     m_extraWidth =
2251     m_extraHeight = 0;
2252
2253     m_scrollLineX = GRID_SCROLL_LINE_X;
2254     m_scrollLineY = GRID_SCROLL_LINE_Y;
2255 }
2256
2257 // ----------------------------------------------------------------------------
2258 // the idea is to call these functions only when necessary because they create
2259 // quite big arrays which eat memory mostly unnecessary - in particular, if
2260 // default widths/heights are used for all rows/columns, we may not use these
2261 // arrays at all
2262 //
2263 // with some extra code, it should be possible to only store the widths/heights
2264 // different from default ones (resulting in space savings for huge grids) but
2265 // this is not done currently
2266 // ----------------------------------------------------------------------------
2267
2268 void wxGrid::InitRowHeights()
2269 {
2270     m_rowHeights.Empty();
2271     m_rowBottoms.Empty();
2272
2273     m_rowHeights.Alloc( m_numRows );
2274     m_rowBottoms.Alloc( m_numRows );
2275
2276     m_rowHeights.Add( m_defaultRowHeight, m_numRows );
2277
2278     int rowBottom = 0;
2279     for ( int i = 0; i < m_numRows; i++ )
2280     {
2281         rowBottom += m_defaultRowHeight;
2282         m_rowBottoms.Add( rowBottom );
2283     }
2284 }
2285
2286 void wxGrid::InitColWidths()
2287 {
2288     m_colWidths.Empty();
2289     m_colRights.Empty();
2290
2291     m_colWidths.Alloc( m_numCols );
2292     m_colRights.Alloc( m_numCols );
2293
2294     m_colWidths.Add( m_defaultColWidth, m_numCols );
2295
2296     for ( int i = 0; i < m_numCols; i++ )
2297     {
2298         int colRight = ( GetColPos( i ) + 1 ) * m_defaultColWidth;
2299         m_colRights.Add( colRight );
2300     }
2301 }
2302
2303 int wxGrid::GetColWidth(int col) const
2304 {
2305     return m_colWidths.IsEmpty() ? m_defaultColWidth : m_colWidths[col];
2306 }
2307
2308 int wxGrid::GetColLeft(int col) const
2309 {
2310     return m_colRights.IsEmpty() ? GetColPos( col ) * m_defaultColWidth
2311                                  : m_colRights[col] - m_colWidths[col];
2312 }
2313
2314 int wxGrid::GetColRight(int col) const
2315 {
2316     return m_colRights.IsEmpty() ? (GetColPos( col ) + 1) * m_defaultColWidth
2317                                  : m_colRights[col];
2318 }
2319
2320 int wxGrid::GetRowHeight(int row) const
2321 {
2322     return m_rowHeights.IsEmpty() ? m_defaultRowHeight : m_rowHeights[row];
2323 }
2324
2325 int wxGrid::GetRowTop(int row) const
2326 {
2327     return m_rowBottoms.IsEmpty() ? row * m_defaultRowHeight
2328                                   : m_rowBottoms[row] - m_rowHeights[row];
2329 }
2330
2331 int wxGrid::GetRowBottom(int row) const
2332 {
2333     return m_rowBottoms.IsEmpty() ? (row + 1) * m_defaultRowHeight
2334                                   : m_rowBottoms[row];
2335 }
2336
2337 void wxGrid::CalcDimensions()
2338 {
2339     // compute the size of the scrollable area
2340     int w = m_numCols > 0 ? GetColRight(GetColAt(m_numCols - 1)) : 0;
2341     int h = m_numRows > 0 ? GetRowBottom(m_numRows - 1) : 0;
2342
2343     w += m_extraWidth;
2344     h += m_extraHeight;
2345
2346     // take into account editor if shown
2347     if ( IsCellEditControlShown() )
2348     {
2349         int w2, h2;
2350         int r = m_currentCellCoords.GetRow();
2351         int c = m_currentCellCoords.GetCol();
2352         int x = GetColLeft(c);
2353         int y = GetRowTop(r);
2354
2355         // how big is the editor
2356         wxGridCellAttr* attr = GetCellAttr(r, c);
2357         wxGridCellEditor* editor = attr->GetEditor(this, r, c);
2358         editor->GetControl()->GetSize(&w2, &h2);
2359         w2 += x;
2360         h2 += y;
2361         if ( w2 > w )
2362             w = w2;
2363         if ( h2 > h )
2364             h = h2;
2365         editor->DecRef();
2366         attr->DecRef();
2367     }
2368
2369     // preserve (more or less) the previous position
2370     int x, y;
2371     GetViewStart( &x, &y );
2372
2373     // ensure the position is valid for the new scroll ranges
2374     if ( x >= w )
2375         x = wxMax( w - 1, 0 );
2376     if ( y >= h )
2377         y = wxMax( h - 1, 0 );
2378
2379     // update the virtual size and refresh the scrollbars to reflect it
2380     m_gridWin->SetVirtualSize(w, h);
2381     Scroll(x, y);
2382     AdjustScrollbars();
2383
2384     // if our OnSize() hadn't been called (it would if we have scrollbars), we
2385     // still must reposition the children
2386     CalcWindowSizes();
2387 }
2388
2389 wxSize wxGrid::GetSizeAvailableForScrollTarget(const wxSize& size)
2390 {
2391     wxSize sizeGridWin(size);
2392     sizeGridWin.x -= m_rowLabelWidth;
2393     sizeGridWin.y -= m_colLabelHeight;
2394
2395     return sizeGridWin;
2396 }
2397
2398 void wxGrid::CalcWindowSizes()
2399 {
2400     // escape if the window is has not been fully created yet
2401
2402     if ( m_cornerLabelWin == NULL )
2403         return;
2404
2405     int cw, ch;
2406     GetClientSize( &cw, &ch );
2407
2408     // the grid may be too small to have enough space for the labels yet, don't
2409     // size the windows to negative sizes in this case
2410     int gw = cw - m_rowLabelWidth;
2411     int gh = ch - m_colLabelHeight;
2412     if (gw < 0)
2413         gw = 0;
2414     if (gh < 0)
2415         gh = 0;
2416
2417     if ( m_cornerLabelWin && m_cornerLabelWin->IsShown() )
2418         m_cornerLabelWin->SetSize( 0, 0, m_rowLabelWidth, m_colLabelHeight );
2419
2420     if ( m_colWindow && m_colWindow->IsShown() )
2421         m_colWindow->SetSize( m_rowLabelWidth, 0, gw, m_colLabelHeight );
2422
2423     if ( m_rowLabelWin && m_rowLabelWin->IsShown() )
2424         m_rowLabelWin->SetSize( 0, m_colLabelHeight, m_rowLabelWidth, gh );
2425
2426     if ( m_gridWin && m_gridWin->IsShown() )
2427         m_gridWin->SetSize( m_rowLabelWidth, m_colLabelHeight, gw, gh );
2428 }
2429
2430 // this is called when the grid table sends a message
2431 // to indicate that it has been redimensioned
2432 //
2433 bool wxGrid::Redimension( wxGridTableMessage& msg )
2434 {
2435     int i;
2436     bool result = false;
2437
2438     // Clear the attribute cache as the attribute might refer to a different
2439     // cell than stored in the cache after adding/removing rows/columns.
2440     ClearAttrCache();
2441
2442     // By the same reasoning, the editor should be dismissed if columns are
2443     // added or removed. And for consistency, it should IMHO always be
2444     // removed, not only if the cell "underneath" it actually changes.
2445     // For now, I intentionally do not save the editor's content as the
2446     // cell it might want to save that stuff to might no longer exist.
2447     HideCellEditControl();
2448
2449     switch ( msg.GetId() )
2450     {
2451         case wxGRIDTABLE_NOTIFY_ROWS_INSERTED:
2452         {
2453             size_t pos = msg.GetCommandInt();
2454             int numRows = msg.GetCommandInt2();
2455
2456             m_numRows += numRows;
2457
2458             if ( !m_rowHeights.IsEmpty() )
2459             {
2460                 m_rowHeights.Insert( m_defaultRowHeight, pos, numRows );
2461                 m_rowBottoms.Insert( 0, pos, numRows );
2462
2463                 int bottom = 0;
2464                 if ( pos > 0 )
2465                     bottom = m_rowBottoms[pos - 1];
2466
2467                 for ( i = pos; i < m_numRows; i++ )
2468                 {
2469                     bottom += m_rowHeights[i];
2470                     m_rowBottoms[i] = bottom;
2471                 }
2472             }
2473
2474             if ( m_currentCellCoords == wxGridNoCellCoords )
2475             {
2476                 // if we have just inserted cols into an empty grid the current
2477                 // cell will be undefined...
2478                 //
2479                 SetCurrentCell( 0, 0 );
2480             }
2481
2482             if ( m_selection )
2483                 m_selection->UpdateRows( pos, numRows );
2484             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
2485             if (attrProvider)
2486                 attrProvider->UpdateAttrRows( pos, numRows );
2487
2488             if ( !GetBatchCount() )
2489             {
2490                 CalcDimensions();
2491                 m_rowLabelWin->Refresh();
2492             }
2493         }
2494         result = true;
2495         break;
2496
2497         case wxGRIDTABLE_NOTIFY_ROWS_APPENDED:
2498         {
2499             int numRows = msg.GetCommandInt();
2500             int oldNumRows = m_numRows;
2501             m_numRows += numRows;
2502
2503             if ( !m_rowHeights.IsEmpty() )
2504             {
2505                 m_rowHeights.Add( m_defaultRowHeight, numRows );
2506                 m_rowBottoms.Add( 0, numRows );
2507
2508                 int bottom = 0;
2509                 if ( oldNumRows > 0 )
2510                     bottom = m_rowBottoms[oldNumRows - 1];
2511
2512                 for ( i = oldNumRows; i < m_numRows; i++ )
2513                 {
2514                     bottom += m_rowHeights[i];
2515                     m_rowBottoms[i] = bottom;
2516                 }
2517             }
2518
2519             if ( m_currentCellCoords == wxGridNoCellCoords )
2520             {
2521                 // if we have just inserted cols into an empty grid the current
2522                 // cell will be undefined...
2523                 //
2524                 SetCurrentCell( 0, 0 );
2525             }
2526
2527             if ( !GetBatchCount() )
2528             {
2529                 CalcDimensions();
2530                 m_rowLabelWin->Refresh();
2531             }
2532         }
2533         result = true;
2534         break;
2535
2536         case wxGRIDTABLE_NOTIFY_ROWS_DELETED:
2537         {
2538             size_t pos = msg.GetCommandInt();
2539             int numRows = msg.GetCommandInt2();
2540             m_numRows -= numRows;
2541
2542             if ( !m_rowHeights.IsEmpty() )
2543             {
2544                 m_rowHeights.RemoveAt( pos, numRows );
2545                 m_rowBottoms.RemoveAt( pos, numRows );
2546
2547                 int h = 0;
2548                 for ( i = 0; i < m_numRows; i++ )
2549                 {
2550                     h += m_rowHeights[i];
2551                     m_rowBottoms[i] = h;
2552                 }
2553             }
2554
2555             if ( !m_numRows )
2556             {
2557                 m_currentCellCoords = wxGridNoCellCoords;
2558             }
2559             else
2560             {
2561                 if ( m_currentCellCoords.GetRow() >= m_numRows )
2562                     m_currentCellCoords.Set( 0, 0 );
2563             }
2564
2565             if ( m_selection )
2566                 m_selection->UpdateRows( pos, -((int)numRows) );
2567             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
2568             if (attrProvider)
2569             {
2570                 attrProvider->UpdateAttrRows( pos, -((int)numRows) );
2571
2572 // ifdef'd out following patch from Paul Gammans
2573 #if 0
2574                 // No need to touch column attributes, unless we
2575                 // removed _all_ rows, in this case, we remove
2576                 // all column attributes.
2577                 // I hate to do this here, but the
2578                 // needed data is not available inside UpdateAttrRows.
2579                 if ( !GetNumberRows() )
2580                     attrProvider->UpdateAttrCols( 0, -GetNumberCols() );
2581 #endif
2582             }
2583
2584             if ( !GetBatchCount() )
2585             {
2586                 CalcDimensions();
2587                 m_rowLabelWin->Refresh();
2588             }
2589         }
2590         result = true;
2591         break;
2592
2593         case wxGRIDTABLE_NOTIFY_COLS_INSERTED:
2594         {
2595             size_t pos = msg.GetCommandInt();
2596             int numCols = msg.GetCommandInt2();
2597             m_numCols += numCols;
2598
2599             if ( m_useNativeHeader )
2600                 GetGridColHeader()->SetColumnCount(m_numCols);
2601
2602             if ( !m_colAt.IsEmpty() )
2603             {
2604                 //Shift the column IDs
2605                 int i;
2606                 for ( i = 0; i < m_numCols - numCols; i++ )
2607                 {
2608                     if ( m_colAt[i] >= (int)pos )
2609                         m_colAt[i] += numCols;
2610                 }
2611
2612                 m_colAt.Insert( pos, pos, numCols );
2613
2614                 //Set the new columns' positions
2615                 for ( i = pos + 1; i < (int)pos + numCols; i++ )
2616                 {
2617                     m_colAt[i] = i;
2618                 }
2619             }
2620
2621             if ( !m_colWidths.IsEmpty() )
2622             {
2623                 m_colWidths.Insert( m_defaultColWidth, pos, numCols );
2624                 m_colRights.Insert( 0, pos, numCols );
2625
2626                 int right = 0;
2627                 if ( pos > 0 )
2628                     right = m_colRights[GetColAt( pos - 1 )];
2629
2630                 int colPos;
2631                 for ( colPos = pos; colPos < m_numCols; colPos++ )
2632                 {
2633                     i = GetColAt( colPos );
2634
2635                     right += m_colWidths[i];
2636                     m_colRights[i] = right;
2637                 }
2638             }
2639
2640             if ( m_currentCellCoords == wxGridNoCellCoords )
2641             {
2642                 // if we have just inserted cols into an empty grid the current
2643                 // cell will be undefined...
2644                 //
2645                 SetCurrentCell( 0, 0 );
2646             }
2647
2648             if ( m_selection )
2649                 m_selection->UpdateCols( pos, numCols );
2650             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
2651             if (attrProvider)
2652                 attrProvider->UpdateAttrCols( pos, numCols );
2653             if ( !GetBatchCount() )
2654             {
2655                 CalcDimensions();
2656                 m_colWindow->Refresh();
2657             }
2658         }
2659         result = true;
2660         break;
2661
2662         case wxGRIDTABLE_NOTIFY_COLS_APPENDED:
2663         {
2664             int numCols = msg.GetCommandInt();
2665             int oldNumCols = m_numCols;
2666             m_numCols += numCols;
2667             if ( m_useNativeHeader )
2668                 GetGridColHeader()->SetColumnCount(m_numCols);
2669
2670             if ( !m_colAt.IsEmpty() )
2671             {
2672                 m_colAt.Add( 0, numCols );
2673
2674                 //Set the new columns' positions
2675                 int i;
2676                 for ( i = oldNumCols; i < m_numCols; i++ )
2677                 {
2678                     m_colAt[i] = i;
2679                 }
2680             }
2681
2682             if ( !m_colWidths.IsEmpty() )
2683             {
2684                 m_colWidths.Add( m_defaultColWidth, numCols );
2685                 m_colRights.Add( 0, numCols );
2686
2687                 int right = 0;
2688                 if ( oldNumCols > 0 )
2689                     right = m_colRights[GetColAt( oldNumCols - 1 )];
2690
2691                 int colPos;
2692                 for ( colPos = oldNumCols; colPos < m_numCols; colPos++ )
2693                 {
2694                     i = GetColAt( colPos );
2695
2696                     right += m_colWidths[i];
2697                     m_colRights[i] = right;
2698                 }
2699             }
2700
2701             if ( m_currentCellCoords == wxGridNoCellCoords )
2702             {
2703                 // if we have just inserted cols into an empty grid the current
2704                 // cell will be undefined...
2705                 //
2706                 SetCurrentCell( 0, 0 );
2707             }
2708             if ( !GetBatchCount() )
2709             {
2710                 CalcDimensions();
2711                 m_colWindow->Refresh();
2712             }
2713         }
2714         result = true;
2715         break;
2716
2717         case wxGRIDTABLE_NOTIFY_COLS_DELETED:
2718         {
2719             size_t pos = msg.GetCommandInt();
2720             int numCols = msg.GetCommandInt2();
2721             m_numCols -= numCols;
2722             if ( m_useNativeHeader )
2723                 GetGridColHeader()->SetColumnCount(m_numCols);
2724
2725             if ( !m_colAt.IsEmpty() )
2726             {
2727                 int colID = GetColAt( pos );
2728
2729                 m_colAt.RemoveAt( pos, numCols );
2730
2731                 //Shift the column IDs
2732                 int colPos;
2733                 for ( colPos = 0; colPos < m_numCols; colPos++ )
2734                 {
2735                     if ( m_colAt[colPos] > colID )
2736                         m_colAt[colPos] -= numCols;
2737                 }
2738             }
2739
2740             if ( !m_colWidths.IsEmpty() )
2741             {
2742                 m_colWidths.RemoveAt( pos, numCols );
2743                 m_colRights.RemoveAt( pos, numCols );
2744
2745                 int w = 0;
2746                 int colPos;
2747                 for ( colPos = 0; colPos < m_numCols; colPos++ )
2748                 {
2749                     i = GetColAt( colPos );
2750
2751                     w += m_colWidths[i];
2752                     m_colRights[i] = w;
2753                 }
2754             }
2755
2756             if ( !m_numCols )
2757             {
2758                 m_currentCellCoords = wxGridNoCellCoords;
2759             }
2760             else
2761             {
2762                 if ( m_currentCellCoords.GetCol() >= m_numCols )
2763                   m_currentCellCoords.Set( 0, 0 );
2764             }
2765
2766             if ( m_selection )
2767                 m_selection->UpdateCols( pos, -((int)numCols) );
2768             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
2769             if (attrProvider)
2770             {
2771                 attrProvider->UpdateAttrCols( pos, -((int)numCols) );
2772
2773 // ifdef'd out following patch from Paul Gammans
2774 #if 0
2775                 // No need to touch row attributes, unless we
2776                 // removed _all_ columns, in this case, we remove
2777                 // all row attributes.
2778                 // I hate to do this here, but the
2779                 // needed data is not available inside UpdateAttrCols.
2780                 if ( !GetNumberCols() )
2781                     attrProvider->UpdateAttrRows( 0, -GetNumberRows() );
2782 #endif
2783             }
2784
2785             if ( !GetBatchCount() )
2786             {
2787                 CalcDimensions();
2788                 m_colWindow->Refresh();
2789             }
2790         }
2791         result = true;
2792         break;
2793     }
2794
2795     if (result && !GetBatchCount() )
2796         m_gridWin->Refresh();
2797
2798     return result;
2799 }
2800
2801 wxArrayInt wxGrid::CalcRowLabelsExposed( const wxRegion& reg ) const
2802 {
2803     wxRegionIterator iter( reg );
2804     wxRect r;
2805
2806     wxArrayInt  rowlabels;
2807
2808     int top, bottom;
2809     while ( iter )
2810     {
2811         r = iter.GetRect();
2812
2813         // TODO: remove this when we can...
2814         // There is a bug in wxMotif that gives garbage update
2815         // rectangles if you jump-scroll a long way by clicking the
2816         // scrollbar with middle button.  This is a work-around
2817         //
2818 #if defined(__WXMOTIF__)
2819         int cw, ch;
2820         m_gridWin->GetClientSize( &cw, &ch );
2821         if ( r.GetTop() > ch )
2822             r.SetTop( 0 );
2823         r.SetBottom( wxMin( r.GetBottom(), ch ) );
2824 #endif
2825
2826         // logical bounds of update region
2827         //
2828         int dummy;
2829         CalcUnscrolledPosition( 0, r.GetTop(), &dummy, &top );
2830         CalcUnscrolledPosition( 0, r.GetBottom(), &dummy, &bottom );
2831
2832         // find the row labels within these bounds
2833         //
2834         int row;
2835         for ( row = internalYToRow(top); row < m_numRows; row++ )
2836         {
2837             if ( GetRowBottom(row) < top )
2838                 continue;
2839
2840             if ( GetRowTop(row) > bottom )
2841                 break;
2842
2843             rowlabels.Add( row );
2844         }
2845
2846         ++iter;
2847     }
2848
2849     return rowlabels;
2850 }
2851
2852 wxArrayInt wxGrid::CalcColLabelsExposed( const wxRegion& reg ) const
2853 {
2854     wxRegionIterator iter( reg );
2855     wxRect r;
2856
2857     wxArrayInt colLabels;
2858
2859     int left, right;
2860     while ( iter )
2861     {
2862         r = iter.GetRect();
2863
2864         // TODO: remove this when we can...
2865         // There is a bug in wxMotif that gives garbage update
2866         // rectangles if you jump-scroll a long way by clicking the
2867         // scrollbar with middle button.  This is a work-around
2868         //
2869 #if defined(__WXMOTIF__)
2870         int cw, ch;
2871         m_gridWin->GetClientSize( &cw, &ch );
2872         if ( r.GetLeft() > cw )
2873             r.SetLeft( 0 );
2874         r.SetRight( wxMin( r.GetRight(), cw ) );
2875 #endif
2876
2877         // logical bounds of update region
2878         //
2879         int dummy;
2880         CalcUnscrolledPosition( r.GetLeft(), 0, &left, &dummy );
2881         CalcUnscrolledPosition( r.GetRight(), 0, &right, &dummy );
2882
2883         // find the cells within these bounds
2884         //
2885         int col;
2886         int colPos;
2887         for ( colPos = GetColPos( internalXToCol(left) ); colPos < m_numCols; colPos++ )
2888         {
2889             col = GetColAt( colPos );
2890
2891             if ( GetColRight(col) < left )
2892                 continue;
2893
2894             if ( GetColLeft(col) > right )
2895                 break;
2896
2897             colLabels.Add( col );
2898         }
2899
2900         ++iter;
2901     }
2902
2903     return colLabels;
2904 }
2905
2906 wxGridCellCoordsArray wxGrid::CalcCellsExposed( const wxRegion& reg ) const
2907 {
2908     wxRegionIterator iter( reg );
2909     wxRect r;
2910
2911     wxGridCellCoordsArray  cellsExposed;
2912
2913     int left, top, right, bottom;
2914     while ( iter )
2915     {
2916         r = iter.GetRect();
2917
2918         // TODO: remove this when we can...
2919         // There is a bug in wxMotif that gives garbage update
2920         // rectangles if you jump-scroll a long way by clicking the
2921         // scrollbar with middle button.  This is a work-around
2922         //
2923 #if defined(__WXMOTIF__)
2924         int cw, ch;
2925         m_gridWin->GetClientSize( &cw, &ch );
2926         if ( r.GetTop() > ch ) r.SetTop( 0 );
2927         if ( r.GetLeft() > cw ) r.SetLeft( 0 );
2928         r.SetRight( wxMin( r.GetRight(), cw ) );
2929         r.SetBottom( wxMin( r.GetBottom(), ch ) );
2930 #endif
2931
2932         // logical bounds of update region
2933         //
2934         CalcUnscrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
2935         CalcUnscrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
2936
2937         // find the cells within these bounds
2938         wxArrayInt cols;
2939         for ( int row = internalYToRow(top); row < m_numRows; row++ )
2940         {
2941             if ( GetRowBottom(row) <= top )
2942                 continue;
2943
2944             if ( GetRowTop(row) > bottom )
2945                 break;
2946
2947             // add all dirty cells in this row: notice that the columns which
2948             // are dirty don't depend on the row so we compute them only once
2949             // for the first dirty row and then reuse for all the next ones
2950             if ( cols.empty() )
2951             {
2952                 // do determine the dirty columns
2953                 for ( int pos = XToPos(left); pos <= XToPos(right); pos++ )
2954                     cols.push_back(GetColAt(pos));
2955
2956                 // if there are no dirty columns at all, nothing to do
2957                 if ( cols.empty() )
2958                     break;
2959             }
2960
2961             const size_t count = cols.size();
2962             for ( size_t n = 0; n < count; n++ )
2963                 cellsExposed.Add(wxGridCellCoords(row, cols[n]));
2964         }
2965
2966         ++iter;
2967     }
2968
2969     return cellsExposed;
2970 }
2971
2972
2973 void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
2974 {
2975     int x, y, row;
2976     wxPoint pos( event.GetPosition() );
2977     CalcUnscrolledPosition( pos.x, pos.y, &x, &y );
2978
2979     if ( event.Dragging() )
2980     {
2981         if (!m_isDragging)
2982         {
2983             m_isDragging = true;
2984             m_rowLabelWin->CaptureMouse();
2985         }
2986
2987         if ( event.LeftIsDown() )
2988         {
2989             switch ( m_cursorMode )
2990             {
2991                 case WXGRID_CURSOR_RESIZE_ROW:
2992                 {
2993                     int cw, ch, left, dummy;
2994                     m_gridWin->GetClientSize( &cw, &ch );
2995                     CalcUnscrolledPosition( 0, 0, &left, &dummy );
2996
2997                     wxClientDC dc( m_gridWin );
2998                     PrepareDC( dc );
2999                     y = wxMax( y,
3000                                GetRowTop(m_dragRowOrCol) +
3001                                GetRowMinimalHeight(m_dragRowOrCol) );
3002                     dc.SetLogicalFunction(wxINVERT);
3003                     if ( m_dragLastPos >= 0 )
3004                     {
3005                         dc.DrawLine( left, m_dragLastPos, left+cw, m_dragLastPos );
3006                     }
3007                     dc.DrawLine( left, y, left+cw, y );
3008                     m_dragLastPos = y;
3009                 }
3010                 break;
3011
3012                 case WXGRID_CURSOR_SELECT_ROW:
3013                 {
3014                     if ( (row = YToRow( y )) >= 0 )
3015                     {
3016                         if ( m_selection )
3017                             m_selection->SelectRow(row, event);
3018                     }
3019                 }
3020                 break;
3021
3022                 // default label to suppress warnings about "enumeration value
3023                 // 'xxx' not handled in switch
3024                 default:
3025                     break;
3026             }
3027         }
3028         return;
3029     }
3030
3031     if ( m_isDragging && (event.Entering() || event.Leaving()) )
3032         return;
3033
3034     if (m_isDragging)
3035     {
3036         if (m_rowLabelWin->HasCapture())
3037             m_rowLabelWin->ReleaseMouse();
3038         m_isDragging = false;
3039     }
3040
3041     // ------------ Entering or leaving the window
3042     //
3043     if ( event.Entering() || event.Leaving() )
3044     {
3045         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin);
3046     }
3047
3048     // ------------ Left button pressed
3049     //
3050     else if ( event.LeftDown() )
3051     {
3052         row = YToEdgeOfRow(y);
3053         if ( row != wxNOT_FOUND && CanDragRowSize(row) )
3054         {
3055             ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, m_rowLabelWin);
3056         }
3057         else // not a request to start resizing
3058         {
3059             row = YToRow(y);
3060             if ( row >= 0 &&
3061                  !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, row, -1, event ) )
3062             {
3063                 if ( !event.ShiftDown() && !event.CmdDown() )
3064                     ClearSelection();
3065                 if ( m_selection )
3066                 {
3067                     if ( event.ShiftDown() )
3068                     {
3069                         m_selection->SelectBlock
3070                                      (
3071                                         m_currentCellCoords.GetRow(), 0,
3072                                         row, GetNumberCols() - 1,
3073                                         event
3074                                      );
3075                     }
3076                     else
3077                     {
3078                         m_selection->SelectRow(row, event);
3079                     }
3080                 }
3081
3082                 ChangeCursorMode(WXGRID_CURSOR_SELECT_ROW, m_rowLabelWin);
3083             }
3084         }
3085     }
3086
3087     // ------------ Left double click
3088     //
3089     else if (event.LeftDClick() )
3090     {
3091         row = YToEdgeOfRow(y);
3092         if ( row != wxNOT_FOUND && CanDragRowSize(row) )
3093         {
3094             // adjust row height depending on label text
3095             //
3096             // TODO: generate RESIZING event, see #10754
3097             AutoSizeRowLabelSize( row );
3098
3099             SendGridSizeEvent(wxEVT_GRID_ROW_SIZE, row, -1, event);
3100
3101             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, GetColLabelWindow());
3102             m_dragLastPos = -1;
3103         }
3104         else // not on row separator or it's not resizeable
3105         {
3106             row = YToRow(y);
3107             if ( row >=0 &&
3108                  !SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, row, -1, event ) )
3109             {
3110                 // no default action at the moment
3111             }
3112         }
3113     }
3114
3115     // ------------ Left button released
3116     //
3117     else if ( event.LeftUp() )
3118     {
3119         if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
3120             DoEndDragResizeRow(event);
3121
3122         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin);
3123         m_dragLastPos = -1;
3124     }
3125
3126     // ------------ Right button down
3127     //
3128     else if ( event.RightDown() )
3129     {
3130         row = YToRow(y);
3131         if ( row >=0 &&
3132              !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, row, -1, event ) )
3133         {
3134             // no default action at the moment
3135         }
3136     }
3137
3138     // ------------ Right double click
3139     //
3140     else if ( event.RightDClick() )
3141     {
3142         row = YToRow(y);
3143         if ( row >= 0 &&
3144              !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, row, -1, event ) )
3145         {
3146             // no default action at the moment
3147         }
3148     }
3149
3150     // ------------ No buttons down and mouse moving
3151     //
3152     else if ( event.Moving() )
3153     {
3154         m_dragRowOrCol = YToEdgeOfRow( y );
3155         if ( m_dragRowOrCol != wxNOT_FOUND )
3156         {
3157             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
3158             {
3159                 if ( CanDragRowSize(m_dragRowOrCol) )
3160                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, m_rowLabelWin, false);
3161             }
3162         }
3163         else if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
3164         {
3165             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin, false);
3166         }
3167     }
3168 }
3169
3170 void wxGrid::UpdateColumnSortingIndicator(int col)
3171 {
3172     wxCHECK_RET( col != wxNOT_FOUND, "invalid column index" );
3173
3174     if ( m_useNativeHeader )
3175         GetGridColHeader()->UpdateColumn(col);
3176     else if ( m_nativeColumnLabels )
3177         m_colWindow->Refresh();
3178     //else: sorting indicator display not yet implemented in grid version
3179 }
3180
3181 void wxGrid::SetSortingColumn(int col, bool ascending)
3182 {
3183     if ( col == m_sortCol )
3184     {
3185         // we are already using this column for sorting (or not sorting at all)
3186         // but we might still change the sorting order, check for it
3187         if ( m_sortCol != wxNOT_FOUND && ascending != m_sortIsAscending )
3188         {
3189             m_sortIsAscending = ascending;
3190
3191             UpdateColumnSortingIndicator(m_sortCol);
3192         }
3193     }
3194     else // we're changing the column used for sorting
3195     {
3196         const int sortColOld = m_sortCol;
3197
3198         // change it before updating the column as we want GetSortingColumn()
3199         // to return the correct new value
3200         m_sortCol = col;
3201
3202         if ( sortColOld != wxNOT_FOUND )
3203             UpdateColumnSortingIndicator(sortColOld);
3204
3205         if ( m_sortCol != wxNOT_FOUND )
3206         {
3207             m_sortIsAscending = ascending;
3208             UpdateColumnSortingIndicator(m_sortCol);
3209         }
3210     }
3211 }
3212
3213 void wxGrid::DoColHeaderClick(int col)
3214 {
3215     // we consider that the grid was resorted if this event is processed and
3216     // not vetoed
3217     if ( SendEvent(wxEVT_GRID_COL_SORT, -1, col) == 1 )
3218     {
3219         SetSortingColumn(col, IsSortingBy(col) ? !m_sortIsAscending : true);
3220         Refresh();
3221     }
3222 }
3223
3224 void wxGrid::DoStartResizeCol(int col)
3225 {
3226     m_dragRowOrCol = col;
3227     m_dragLastPos = -1;
3228     DoUpdateResizeColWidth(GetColWidth(m_dragRowOrCol));
3229 }
3230
3231 void wxGrid::DoUpdateResizeCol(int x)
3232 {
3233     int cw, ch, dummy, top;
3234     m_gridWin->GetClientSize( &cw, &ch );
3235     CalcUnscrolledPosition( 0, 0, &dummy, &top );
3236
3237     wxClientDC dc( m_gridWin );
3238     PrepareDC( dc );
3239
3240     x = wxMax( x, GetColLeft(m_dragRowOrCol) + GetColMinimalWidth(m_dragRowOrCol));
3241     dc.SetLogicalFunction(wxINVERT);
3242     if ( m_dragLastPos >= 0 )
3243     {
3244         dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top + ch );
3245     }
3246     dc.DrawLine( x, top, x, top + ch );
3247     m_dragLastPos = x;
3248 }
3249
3250 void wxGrid::DoUpdateResizeColWidth(int w)
3251 {
3252     DoUpdateResizeCol(GetColLeft(m_dragRowOrCol) + w);
3253 }
3254
3255 void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
3256 {
3257     int x, y;
3258     wxPoint pos( event.GetPosition() );
3259     CalcUnscrolledPosition( pos.x, pos.y, &x, &y );
3260
3261     int col = XToCol(x);
3262     if ( event.Dragging() )
3263     {
3264         if (!m_isDragging)
3265         {
3266             m_isDragging = true;
3267             GetColLabelWindow()->CaptureMouse();
3268
3269             if ( m_cursorMode == WXGRID_CURSOR_MOVE_COL && col != -1 )
3270                 DoStartMoveCol(col);
3271         }
3272
3273         if ( event.LeftIsDown() )
3274         {
3275             switch ( m_cursorMode )
3276             {
3277                 case WXGRID_CURSOR_RESIZE_COL:
3278                 DoUpdateResizeCol(x);
3279                 break;
3280
3281                 case WXGRID_CURSOR_SELECT_COL:
3282                 {
3283                     if ( col != -1 )
3284                     {
3285                         if ( m_selection )
3286                             m_selection->SelectCol(col, event);
3287                     }
3288                 }
3289                 break;
3290
3291                 case WXGRID_CURSOR_MOVE_COL:
3292                 {
3293                     int posNew = XToPos(x);
3294                     int colNew = GetColAt(posNew);
3295
3296                     // determine the position of the drop marker
3297                     int markerX;
3298                     if ( x >= GetColLeft(colNew) + (GetColWidth(colNew) / 2) )
3299                         markerX = GetColRight(colNew);
3300                     else
3301                         markerX = GetColLeft(colNew);
3302
3303                     if ( markerX != m_dragLastPos )
3304                     {
3305                         wxClientDC dc( GetColLabelWindow() );
3306                         DoPrepareDC(dc);
3307
3308                         int cw, ch;
3309                         GetColLabelWindow()->GetClientSize( &cw, &ch );
3310
3311                         markerX++;
3312
3313                         //Clean up the last indicator
3314                         if ( m_dragLastPos >= 0 )
3315                         {
3316                             wxPen pen( GetColLabelWindow()->GetBackgroundColour(), 2 );
3317                             dc.SetPen(pen);
3318                             dc.DrawLine( m_dragLastPos + 1, 0, m_dragLastPos + 1, ch );
3319                             dc.SetPen(wxNullPen);
3320
3321                             if ( XToCol( m_dragLastPos ) != -1 )
3322                                 DrawColLabel( dc, XToCol( m_dragLastPos ) );
3323                         }
3324
3325                         const wxColour *color;
3326                         //Moving to the same place? Don't draw a marker
3327                         if ( colNew == m_dragRowOrCol )
3328                             color = wxLIGHT_GREY;
3329                         else
3330                             color = wxBLUE;
3331
3332                         //Draw the marker
3333                         wxPen pen( *color, 2 );
3334                         dc.SetPen(pen);
3335
3336                         dc.DrawLine( markerX, 0, markerX, ch );
3337
3338                         dc.SetPen(wxNullPen);
3339
3340                         m_dragLastPos = markerX - 1;
3341                     }
3342                 }
3343                 break;
3344
3345                 // default label to suppress warnings about "enumeration value
3346                 // 'xxx' not handled in switch
3347                 default:
3348                     break;
3349             }
3350         }
3351         return;
3352     }
3353
3354     if ( m_isDragging && (event.Entering() || event.Leaving()) )
3355         return;
3356
3357     if (m_isDragging)
3358     {
3359         if (GetColLabelWindow()->HasCapture())
3360             GetColLabelWindow()->ReleaseMouse();
3361         m_isDragging = false;
3362     }
3363
3364     // ------------ Entering or leaving the window
3365     //
3366     if ( event.Entering() || event.Leaving() )
3367     {
3368         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, GetColLabelWindow());
3369     }
3370
3371     // ------------ Left button pressed
3372     //
3373     else if ( event.LeftDown() )
3374     {
3375         int col = XToEdgeOfCol(x);
3376         if ( col != wxNOT_FOUND && CanDragColSize(col) )
3377         {
3378             ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, GetColLabelWindow());
3379         }
3380         else // not a request to start resizing
3381         {
3382             col = XToCol(x);
3383             if ( col >= 0 &&
3384                  !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, -1, col, event ) )
3385             {
3386                 if ( m_canDragColMove )
3387                 {
3388                     //Show button as pressed
3389                     wxClientDC dc( GetColLabelWindow() );
3390                     int colLeft = GetColLeft( col );
3391                     int colRight = GetColRight( col ) - 1;
3392                     dc.SetPen( wxPen( GetColLabelWindow()->GetBackgroundColour(), 1 ) );
3393                     dc.DrawLine( colLeft, 1, colLeft, m_colLabelHeight-1 );
3394                     dc.DrawLine( colLeft, 1, colRight, 1 );
3395
3396                     ChangeCursorMode(WXGRID_CURSOR_MOVE_COL, GetColLabelWindow());
3397                 }
3398                 else
3399                 {
3400                     if ( !event.ShiftDown() && !event.CmdDown() )
3401                         ClearSelection();
3402                     if ( m_selection )
3403                     {
3404                         if ( event.ShiftDown() )
3405                         {
3406                             m_selection->SelectBlock
3407                                          (
3408                                             0, m_currentCellCoords.GetCol(),
3409                                             GetNumberRows() - 1, col,
3410                                             event
3411                                          );
3412                         }
3413                         else
3414                         {
3415                             m_selection->SelectCol(col, event);
3416                         }
3417                     }
3418
3419                     ChangeCursorMode(WXGRID_CURSOR_SELECT_COL, GetColLabelWindow());
3420                 }
3421             }
3422         }
3423     }
3424
3425     // ------------ Left double click
3426     //
3427     if ( event.LeftDClick() )
3428     {
3429         const int colEdge = XToEdgeOfCol(x);
3430         if ( colEdge == -1 )
3431         {
3432             if ( col >= 0 &&
3433                  ! SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, -1, col, event ) )
3434             {
3435                 // no default action at the moment
3436             }
3437         }
3438         else
3439         {
3440             // adjust column width depending on label text
3441             //
3442             // TODO: generate RESIZING event, see #10754
3443             AutoSizeColLabelSize( colEdge );
3444
3445             SendGridSizeEvent(wxEVT_GRID_COL_SIZE, -1, colEdge, event);
3446
3447             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, GetColLabelWindow());
3448             m_dragLastPos = -1;
3449         }
3450     }
3451
3452     // ------------ Left button released
3453     //
3454     else if ( event.LeftUp() )
3455     {
3456         switch ( m_cursorMode )
3457         {
3458             case WXGRID_CURSOR_RESIZE_COL:
3459                 DoEndDragResizeCol(event);
3460                 break;
3461
3462             case WXGRID_CURSOR_MOVE_COL:
3463                 if ( m_dragLastPos == -1 || col == m_dragRowOrCol )
3464                 {
3465                     // the column didn't actually move anywhere
3466                     if ( col != -1 )
3467                         DoColHeaderClick(col);
3468                     m_colWindow->Refresh();   // "unpress" the column
3469                 }
3470                 else
3471                 {
3472                     DoEndMoveCol(XToPos(x));
3473                 }
3474                 break;
3475
3476             case WXGRID_CURSOR_SELECT_COL:
3477             case WXGRID_CURSOR_SELECT_CELL:
3478             case WXGRID_CURSOR_RESIZE_ROW:
3479             case WXGRID_CURSOR_SELECT_ROW:
3480                 if ( col != -1 )
3481                     DoColHeaderClick(col);
3482                 break;
3483         }
3484
3485         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, GetColLabelWindow());
3486         m_dragLastPos = -1;
3487     }
3488
3489     // ------------ Right button down
3490     //
3491     else if ( event.RightDown() )
3492     {
3493         if ( col >= 0 &&
3494              !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, -1, col, event ) )
3495         {
3496             // no default action at the moment
3497         }
3498     }
3499
3500     // ------------ Right double click
3501     //
3502     else if ( event.RightDClick() )
3503     {
3504         if ( col >= 0 &&
3505              !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, -1, col, event ) )
3506         {
3507             // no default action at the moment
3508         }
3509     }
3510
3511     // ------------ No buttons down and mouse moving
3512     //
3513     else if ( event.Moving() )
3514     {
3515         m_dragRowOrCol = XToEdgeOfCol( x );
3516         if ( m_dragRowOrCol >= 0 )
3517         {
3518             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
3519             {
3520                 if ( CanDragColSize(m_dragRowOrCol) )
3521                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, GetColLabelWindow(), false);
3522             }
3523         }
3524         else if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
3525         {
3526             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, GetColLabelWindow(), false);
3527         }
3528     }
3529 }
3530
3531 void wxGrid::ProcessCornerLabelMouseEvent( wxMouseEvent& event )
3532 {
3533     if ( event.LeftDown() )
3534     {
3535         // indicate corner label by having both row and
3536         // col args == -1
3537         //
3538         if ( !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, -1, -1, event ) )
3539         {
3540             SelectAll();
3541         }
3542     }
3543     else if ( event.LeftDClick() )
3544     {
3545         SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, -1, -1, event );
3546     }
3547     else if ( event.RightDown() )
3548     {
3549         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, -1, -1, event ) )
3550         {
3551             // no default action at the moment
3552         }
3553     }
3554     else if ( event.RightDClick() )
3555     {
3556         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, -1, -1, event ) )
3557         {
3558             // no default action at the moment
3559         }
3560     }
3561 }
3562
3563 void wxGrid::CancelMouseCapture()
3564 {
3565     // cancel operation currently in progress, whatever it is
3566     if ( m_winCapture )
3567     {
3568         m_isDragging = false;
3569         m_startDragPos = wxDefaultPosition;
3570
3571         m_cursorMode = WXGRID_CURSOR_SELECT_CELL;
3572         m_winCapture->SetCursor( *wxSTANDARD_CURSOR );
3573         m_winCapture = NULL;
3574
3575         // remove traces of whatever we drew on screen
3576         Refresh();
3577     }
3578 }
3579
3580 void wxGrid::ChangeCursorMode(CursorMode mode,
3581                               wxWindow *win,
3582                               bool captureMouse)
3583 {
3584 #if wxUSE_LOG_TRACE
3585     static const wxChar *const cursorModes[] =
3586     {
3587         wxT("SELECT_CELL"),
3588         wxT("RESIZE_ROW"),
3589         wxT("RESIZE_COL"),
3590         wxT("SELECT_ROW"),
3591         wxT("SELECT_COL"),
3592         wxT("MOVE_COL"),
3593     };
3594
3595     wxLogTrace(wxT("grid"),
3596                wxT("wxGrid cursor mode (mouse capture for %s): %s -> %s"),
3597                win == m_colWindow ? wxT("colLabelWin")
3598                                   : win ? wxT("rowLabelWin")
3599                                         : wxT("gridWin"),
3600                cursorModes[m_cursorMode], cursorModes[mode]);
3601 #endif // wxUSE_LOG_TRACE
3602
3603     if ( mode == m_cursorMode &&
3604          win == m_winCapture &&
3605          captureMouse == (m_winCapture != NULL))
3606         return;
3607
3608     if ( !win )
3609     {
3610         // by default use the grid itself
3611         win = m_gridWin;
3612     }
3613
3614     if ( m_winCapture )
3615     {
3616         m_winCapture->ReleaseMouse();
3617         m_winCapture = NULL;
3618     }
3619
3620     m_cursorMode = mode;
3621
3622     switch ( m_cursorMode )
3623     {
3624         case WXGRID_CURSOR_RESIZE_ROW:
3625             win->SetCursor( m_rowResizeCursor );
3626             break;
3627
3628         case WXGRID_CURSOR_RESIZE_COL:
3629             win->SetCursor( m_colResizeCursor );
3630             break;
3631
3632         case WXGRID_CURSOR_MOVE_COL:
3633             win->SetCursor( wxCursor(wxCURSOR_HAND) );
3634             break;
3635
3636         default:
3637             win->SetCursor( *wxSTANDARD_CURSOR );
3638             break;
3639     }
3640
3641     // we need to capture mouse when resizing
3642     bool resize = m_cursorMode == WXGRID_CURSOR_RESIZE_ROW ||
3643                   m_cursorMode == WXGRID_CURSOR_RESIZE_COL;
3644
3645     if ( captureMouse && resize )
3646     {
3647         win->CaptureMouse();
3648         m_winCapture = win;
3649     }
3650 }
3651
3652 // ----------------------------------------------------------------------------
3653 // grid mouse event processing
3654 // ----------------------------------------------------------------------------
3655
3656 void
3657 wxGrid::DoGridCellDrag(wxMouseEvent& event,
3658                        const wxGridCellCoords& coords,
3659                        bool isFirstDrag)
3660 {
3661     if ( coords == wxGridNoCellCoords )
3662         return; // we're outside any valid cell
3663
3664     // Hide the edit control, so it won't interfere with drag-shrinking.
3665     if ( IsCellEditControlShown() )
3666     {
3667         HideCellEditControl();
3668         SaveEditControlValue();
3669     }
3670
3671     switch ( event.GetModifiers() )
3672     {
3673         case wxMOD_CMD:
3674             if ( m_selectedBlockCorner == wxGridNoCellCoords)
3675                 m_selectedBlockCorner = coords;
3676             UpdateBlockBeingSelected(m_selectedBlockCorner, coords);
3677             break;
3678
3679         case wxMOD_NONE:
3680             if ( CanDragCell() )
3681             {
3682                 if ( isFirstDrag )
3683                 {
3684                     if ( m_selectedBlockCorner == wxGridNoCellCoords)
3685                         m_selectedBlockCorner = coords;
3686
3687                     SendEvent(wxEVT_GRID_CELL_BEGIN_DRAG, coords, event);
3688                     return;
3689                 }
3690             }
3691
3692             UpdateBlockBeingSelected(m_currentCellCoords, coords);
3693             break;
3694
3695         default:
3696             // we don't handle the other key modifiers
3697             event.Skip();
3698     }
3699 }
3700
3701 void wxGrid::DoGridLineDrag(wxMouseEvent& event, const wxGridOperations& oper)
3702 {
3703     wxClientDC dc(m_gridWin);
3704     PrepareDC(dc);
3705     dc.SetLogicalFunction(wxINVERT);
3706
3707     const wxRect rectWin(CalcUnscrolledPosition(wxPoint(0, 0)),
3708                          m_gridWin->GetClientSize());
3709
3710     // erase the previously drawn line, if any
3711     if ( m_dragLastPos >= 0 )
3712         oper.DrawParallelLineInRect(dc, rectWin, m_dragLastPos);
3713
3714     // we need the vertical position for rows and horizontal for columns here
3715     m_dragLastPos = oper.Dual().Select(CalcUnscrolledPosition(event.GetPosition()));
3716
3717     // don't allow resizing beneath the minimal size
3718     const int posMin = oper.GetLineStartPos(this, m_dragRowOrCol) +
3719                         oper.GetMinimalLineSize(this, m_dragRowOrCol);
3720     if ( m_dragLastPos < posMin )
3721         m_dragLastPos = posMin;
3722
3723     // and draw it at the new position
3724     oper.DrawParallelLineInRect(dc, rectWin, m_dragLastPos);
3725 }
3726
3727 void wxGrid::DoGridDragEvent(wxMouseEvent& event, const wxGridCellCoords& coords)
3728 {
3729     if ( !m_isDragging )
3730     {
3731         // Don't start doing anything until the mouse has been dragged far
3732         // enough
3733         const wxPoint& pt = event.GetPosition();
3734         if ( m_startDragPos == wxDefaultPosition )
3735         {
3736             m_startDragPos = pt;
3737             return;
3738         }
3739
3740         if ( abs(m_startDragPos.x - pt.x) <= DRAG_SENSITIVITY &&
3741                 abs(m_startDragPos.y - pt.y) <= DRAG_SENSITIVITY )
3742             return;
3743     }
3744
3745     const bool isFirstDrag = !m_isDragging;
3746     m_isDragging = true;
3747
3748     switch ( m_cursorMode )
3749     {
3750         case WXGRID_CURSOR_SELECT_CELL:
3751             DoGridCellDrag(event, coords, isFirstDrag);
3752             break;
3753
3754         case WXGRID_CURSOR_RESIZE_ROW:
3755             DoGridLineDrag(event, wxGridRowOperations());
3756             break;
3757
3758         case WXGRID_CURSOR_RESIZE_COL:
3759             DoGridLineDrag(event, wxGridColumnOperations());
3760             break;
3761
3762         default:
3763             event.Skip();
3764     }
3765
3766     if ( isFirstDrag )
3767     {
3768         m_winCapture = m_gridWin;
3769         m_winCapture->CaptureMouse();
3770     }
3771 }
3772
3773 void
3774 wxGrid::DoGridCellLeftDown(wxMouseEvent& event,
3775                            const wxGridCellCoords& coords,
3776                            const wxPoint& pos)
3777 {
3778     if ( SendEvent(wxEVT_GRID_CELL_LEFT_CLICK, coords, event) )
3779     {
3780         // event handled by user code, no need to do anything here
3781         return;
3782     }
3783
3784     if ( !event.CmdDown() )
3785         ClearSelection();
3786
3787     if ( event.ShiftDown() )
3788     {
3789         if ( m_selection )
3790         {
3791             m_selection->SelectBlock(m_currentCellCoords, coords, event);
3792             m_selectedBlockCorner = coords;
3793         }
3794     }
3795     else if ( XToEdgeOfCol(pos.x) < 0 && YToEdgeOfRow(pos.y) < 0 )
3796     {
3797         DisableCellEditControl();
3798         MakeCellVisible( coords );
3799
3800         if ( event.CmdDown() )
3801         {
3802             if ( m_selection )
3803             {
3804                 m_selection->ToggleCellSelection(coords, event);
3805             }
3806
3807             m_selectedBlockTopLeft = wxGridNoCellCoords;
3808             m_selectedBlockBottomRight = wxGridNoCellCoords;
3809             m_selectedBlockCorner = coords;
3810         }
3811         else
3812         {
3813             m_waitForSlowClick = m_currentCellCoords == coords &&
3814                                         coords != wxGridNoCellCoords;
3815             SetCurrentCell( coords );
3816         }
3817     }
3818 }
3819
3820 void
3821 wxGrid::DoGridCellLeftDClick(wxMouseEvent& event,
3822                              const wxGridCellCoords& coords,
3823                              const wxPoint& pos)
3824 {
3825     if ( XToEdgeOfCol(pos.x) < 0 && YToEdgeOfRow(pos.y) < 0 )
3826     {
3827         if ( !SendEvent(wxEVT_GRID_CELL_LEFT_DCLICK, coords, event) )
3828         {
3829             // we want double click to select a cell and start editing
3830             // (i.e. to behave in same way as sequence of two slow clicks):
3831             m_waitForSlowClick = true;
3832         }
3833     }
3834 }
3835
3836 void
3837 wxGrid::DoGridCellLeftUp(wxMouseEvent& event, const wxGridCellCoords& coords)
3838 {
3839     if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
3840     {
3841         if (m_winCapture)
3842         {
3843             m_winCapture->ReleaseMouse();
3844             m_winCapture = NULL;
3845         }
3846
3847         if ( coords == m_currentCellCoords && m_waitForSlowClick && CanEnableCellControl() )
3848         {
3849             ClearSelection();
3850             EnableCellEditControl();
3851
3852             wxGridCellAttr *attr = GetCellAttr(coords);
3853             wxGridCellEditor *editor = attr->GetEditor(this, coords.GetRow(), coords.GetCol());
3854             editor->StartingClick();
3855             editor->DecRef();
3856             attr->DecRef();
3857
3858             m_waitForSlowClick = false;
3859         }
3860         else if ( m_selectedBlockTopLeft != wxGridNoCellCoords &&
3861              m_selectedBlockBottomRight != wxGridNoCellCoords )
3862         {
3863             if ( m_selection )
3864             {
3865                 m_selection->SelectBlock( m_selectedBlockTopLeft,
3866                                           m_selectedBlockBottomRight,
3867                                           event );
3868             }
3869
3870             m_selectedBlockTopLeft = wxGridNoCellCoords;
3871             m_selectedBlockBottomRight = wxGridNoCellCoords;
3872
3873             // Show the edit control, if it has been hidden for
3874             // drag-shrinking.
3875             ShowCellEditControl();
3876         }
3877     }
3878     else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
3879     {
3880         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
3881         DoEndDragResizeRow(event);
3882     }
3883     else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL )
3884     {
3885         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
3886         DoEndDragResizeCol(event);
3887     }
3888
3889     m_dragLastPos = -1;
3890 }
3891
3892 void
3893 wxGrid::DoGridMouseMoveEvent(wxMouseEvent& WXUNUSED(event),
3894                              const wxGridCellCoords& coords,
3895                              const wxPoint& pos)
3896 {
3897     if ( coords.GetRow() < 0 || coords.GetCol() < 0 )
3898     {
3899         // out of grid cell area
3900         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
3901         return;
3902     }
3903
3904     int dragRow = YToEdgeOfRow( pos.y );
3905     int dragCol = XToEdgeOfCol( pos.x );
3906
3907     // Dragging on the corner of a cell to resize in both
3908     // directions is not implemented yet...
3909     //
3910     if ( dragRow >= 0 && dragCol >= 0 )
3911     {
3912         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
3913         return;
3914     }
3915
3916     if ( dragRow >= 0 && CanDragGridSize() && CanDragRowSize(dragRow) )
3917     {
3918         if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
3919         {
3920             m_dragRowOrCol = dragRow;
3921             ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, NULL, false);
3922         }
3923     }
3924     // When using the native header window we can only resize the columns by
3925     // dragging the dividers in it because we can't make it enter into the
3926     // column resizing mode programmatically
3927     else if ( dragCol >= 0 && !m_useNativeHeader &&
3928                 CanDragGridSize() && CanDragColSize(dragCol) )
3929     {
3930         if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
3931         {
3932             m_dragRowOrCol = dragCol;
3933             ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, NULL, false);
3934         }
3935     }
3936     else // Neither on a row or col edge
3937     {
3938         if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
3939         {
3940             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
3941         }
3942     }
3943 }
3944
3945 void wxGrid::ProcessGridCellMouseEvent(wxMouseEvent& event)
3946 {
3947     const wxPoint pos = CalcUnscrolledPosition(event.GetPosition());
3948
3949     // coordinates of the cell under mouse
3950     wxGridCellCoords coords = XYToCell(pos);
3951
3952     int cell_rows, cell_cols;
3953     GetCellSize( coords.GetRow(), coords.GetCol(), &cell_rows, &cell_cols );
3954     if ( (cell_rows < 0) || (cell_cols < 0) )
3955     {
3956         coords.SetRow(coords.GetRow() + cell_rows);
3957         coords.SetCol(coords.GetCol() + cell_cols);
3958     }
3959
3960     if ( event.Dragging() )
3961     {
3962         if ( event.LeftIsDown() )
3963             DoGridDragEvent(event, coords);
3964         else
3965             event.Skip();
3966         return;
3967     }
3968
3969     m_isDragging = false;
3970     m_startDragPos = wxDefaultPosition;
3971
3972     // VZ: if we do this, the mode is reset to WXGRID_CURSOR_SELECT_CELL
3973     //     immediately after it becomes WXGRID_CURSOR_RESIZE_ROW/COL under
3974     //     wxGTK
3975 #if 0
3976     if ( event.Entering() || event.Leaving() )
3977     {
3978         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
3979         m_gridWin->SetCursor( *wxSTANDARD_CURSOR );
3980     }
3981 #endif // 0
3982
3983     // deal with various button presses
3984     if ( event.IsButton() )
3985     {
3986         if ( coords != wxGridNoCellCoords )
3987         {
3988             DisableCellEditControl();
3989
3990             if ( event.LeftDown() )
3991                 DoGridCellLeftDown(event, coords, pos);
3992             else if ( event.LeftDClick() )
3993                 DoGridCellLeftDClick(event, coords, pos);
3994             else if ( event.RightDown() )
3995                 SendEvent(wxEVT_GRID_CELL_RIGHT_CLICK, coords, event);
3996             else if ( event.RightDClick() )
3997                 SendEvent(wxEVT_GRID_CELL_RIGHT_DCLICK, coords, event);
3998         }
3999
4000         // this one should be called even if we're not over any cell
4001         if ( event.LeftUp() )
4002         {
4003             DoGridCellLeftUp(event, coords);
4004         }
4005     }
4006     else if ( event.Moving() )
4007     {
4008         DoGridMouseMoveEvent(event, coords, pos);
4009     }
4010     else // unknown mouse event?
4011     {
4012         event.Skip();
4013     }
4014 }
4015
4016 // this function returns true only if the size really changed
4017 bool wxGrid::DoEndDragResizeLine(const wxGridOperations& oper)
4018 {
4019     if ( m_dragLastPos == -1 )
4020         return false;
4021
4022     const wxGridOperations& doper = oper.Dual();
4023
4024     const wxSize size = m_gridWin->GetClientSize();
4025
4026     const wxPoint ptOrigin = CalcUnscrolledPosition(wxPoint(0, 0));
4027
4028     // erase the last line we drew
4029     wxClientDC dc(m_gridWin);
4030     PrepareDC(dc);
4031     dc.SetLogicalFunction(wxINVERT);
4032
4033     const int posLineStart = oper.Select(ptOrigin);
4034     const int posLineEnd = oper.Select(ptOrigin) + oper.Select(size);
4035
4036     oper.DrawParallelLine(dc, posLineStart, posLineEnd, m_dragLastPos);
4037
4038     // temporarily hide the edit control before resizing
4039     HideCellEditControl();
4040     SaveEditControlValue();
4041
4042     // do resize the line
4043     const int lineStart = oper.GetLineStartPos(this, m_dragRowOrCol);
4044     const int lineSizeOld = oper.GetLineSize(this, m_dragRowOrCol);
4045     oper.SetLineSize(this, m_dragRowOrCol,
4046                      wxMax(m_dragLastPos - lineStart,
4047                            oper.GetMinimalLineSize(this, m_dragRowOrCol)));
4048     const bool
4049         sizeChanged = oper.GetLineSize(this, m_dragRowOrCol) != lineSizeOld;
4050
4051     m_dragLastPos = -1;
4052
4053     // refresh now if we're not frozen
4054     if ( !GetBatchCount() )
4055     {
4056         // we need to refresh everything beyond the resized line in the header
4057         // window
4058
4059         // get the position from which to refresh in the other direction
4060         wxRect rect(CellToRect(oper.MakeCoords(m_dragRowOrCol, 0)));
4061         rect.SetPosition(CalcScrolledPosition(rect.GetPosition()));
4062
4063         // we only need the ordinate (for rows) or abscissa (for columns) here,
4064         // and need to cover the entire window in the other direction
4065         oper.Select(rect) = 0;
4066
4067         wxRect rectHeader(rect.GetPosition(),
4068                           oper.MakeSize
4069                                (
4070                                     oper.GetHeaderWindowSize(this),
4071                                     doper.Select(size) - doper.Select(rect)
4072                                ));
4073
4074         oper.GetHeaderWindow(this)->Refresh(true, &rectHeader);
4075
4076
4077         // also refresh the grid window: extend the rectangle
4078         if ( m_table )
4079         {
4080             oper.SelectSize(rect) = oper.Select(size);
4081
4082             int subtractLines = 0;
4083             const int lineStart = oper.PosToLine(this, posLineStart);
4084             if ( lineStart >= 0 )
4085             {
4086                 // ensure that if we have a multi-cell block we redraw all of
4087                 // it by increasing the refresh area to cover it entirely if a
4088                 // part of it is affected
4089                 const int lineEnd = oper.PosToLine(this, posLineEnd, true);
4090                 for ( int line = lineStart; line < lineEnd; line++ )
4091                 {
4092                     int cellLines = oper.Select(
4093                         GetCellSize(oper.MakeCoords(m_dragRowOrCol, line)));
4094                     if ( cellLines < subtractLines )
4095                         subtractLines = cellLines;
4096                 }
4097             }
4098
4099             int startPos =
4100                 oper.GetLineStartPos(this, m_dragRowOrCol + subtractLines);
4101             startPos = doper.CalcScrolledPosition(this, startPos);
4102
4103             doper.Select(rect) = startPos;
4104             doper.SelectSize(rect) = doper.Select(size) - startPos;
4105
4106             m_gridWin->Refresh(false, &rect);
4107         }
4108     }
4109
4110     // show the edit control back again
4111     ShowCellEditControl();
4112
4113     return sizeChanged;
4114 }
4115
4116 void wxGrid::DoEndDragResizeRow(const wxMouseEvent& event)
4117 {
4118     // TODO: generate RESIZING event, see #10754
4119
4120     if ( DoEndDragResizeLine(wxGridRowOperations()) )
4121         SendGridSizeEvent(wxEVT_GRID_ROW_SIZE, m_dragRowOrCol, -1, event);
4122 }
4123
4124 void wxGrid::DoEndDragResizeCol(const wxMouseEvent& event)
4125 {
4126     // TODO: generate RESIZING event, see #10754
4127
4128     if ( DoEndDragResizeLine(wxGridColumnOperations()) )
4129         SendGridSizeEvent(wxEVT_GRID_COL_SIZE, -1, m_dragRowOrCol, event);
4130 }
4131
4132 void wxGrid::DoStartMoveCol(int col)
4133 {
4134     m_dragRowOrCol = col;
4135 }
4136
4137 void wxGrid::DoEndMoveCol(int pos)
4138 {
4139     wxASSERT_MSG( m_dragRowOrCol != -1, "no matching DoStartMoveCol?" );
4140
4141     if ( SendEvent(wxEVT_GRID_COL_MOVE, -1, m_dragRowOrCol) != -1 )
4142         SetColPos(m_dragRowOrCol, pos);
4143     //else: vetoed by user
4144
4145     m_dragRowOrCol = -1;
4146 }
4147
4148 void wxGrid::RefreshAfterColPosChange()
4149 {
4150     // recalculate the column rights as the column positions have changed,
4151     // unless we calculate them dynamically because all columns widths are the
4152     // same and it's easy to do
4153     if ( !m_colWidths.empty() )
4154     {
4155         int colRight = 0;
4156         for ( int colPos = 0; colPos < m_numCols; colPos++ )
4157         {
4158             int colID = GetColAt( colPos );
4159
4160             colRight += m_colWidths[colID];
4161             m_colRights[colID] = colRight;
4162         }
4163     }
4164
4165     // and make the changes visible
4166     if ( m_useNativeHeader )
4167     {
4168         if ( m_colAt.empty() )
4169             GetGridColHeader()->ResetColumnsOrder();
4170         else
4171             GetGridColHeader()->SetColumnsOrder(m_colAt);
4172     }
4173     else
4174     {
4175         m_colWindow->Refresh();
4176     }
4177     m_gridWin->Refresh();
4178 }
4179
4180 void wxGrid::SetColumnsOrder(const wxArrayInt& order)
4181 {
4182     m_colAt = order;
4183
4184     RefreshAfterColPosChange();
4185 }
4186
4187 void wxGrid::SetColPos(int idx, int pos)
4188 {
4189     // we're going to need m_colAt now, initialize it if needed
4190     if ( m_colAt.empty() )
4191     {
4192         m_colAt.reserve(m_numCols);
4193         for ( int i = 0; i < m_numCols; i++ )
4194             m_colAt.push_back(i);
4195     }
4196
4197     wxHeaderCtrl::MoveColumnInOrderArray(m_colAt, idx, pos);
4198
4199     RefreshAfterColPosChange();
4200 }
4201
4202 void wxGrid::ResetColPos()
4203 {
4204     m_colAt.clear();
4205
4206     RefreshAfterColPosChange();
4207 }
4208
4209 void wxGrid::EnableDragColMove( bool enable )
4210 {
4211     if ( m_canDragColMove == enable )
4212         return;
4213
4214     if ( m_useNativeHeader )
4215     {
4216         // update all columns to make them [not] reorderable
4217         GetGridColHeader()->SetColumnCount(m_numCols);
4218     }
4219
4220     m_canDragColMove = enable;
4221
4222     // we use to call ResetColPos() from here if !enable but this doesn't seem
4223     // right as it would mean there would be no way to "freeze" the current
4224     // columns order by disabling moving them after putting them in the desired
4225     // order, whereas now you can always call ResetColPos() manually if needed
4226 }
4227
4228
4229 //
4230 // ------ interaction with data model
4231 //
4232 bool wxGrid::ProcessTableMessage( wxGridTableMessage& msg )
4233 {
4234     switch ( msg.GetId() )
4235     {
4236         case wxGRIDTABLE_REQUEST_VIEW_GET_VALUES:
4237             return GetModelValues();
4238
4239         case wxGRIDTABLE_REQUEST_VIEW_SEND_VALUES:
4240             return SetModelValues();
4241
4242         case wxGRIDTABLE_NOTIFY_ROWS_INSERTED:
4243         case wxGRIDTABLE_NOTIFY_ROWS_APPENDED:
4244         case wxGRIDTABLE_NOTIFY_ROWS_DELETED:
4245         case wxGRIDTABLE_NOTIFY_COLS_INSERTED:
4246         case wxGRIDTABLE_NOTIFY_COLS_APPENDED:
4247         case wxGRIDTABLE_NOTIFY_COLS_DELETED:
4248             return Redimension( msg );
4249
4250         default:
4251             return false;
4252     }
4253 }
4254
4255 // The behaviour of this function depends on the grid table class
4256 // Clear() function. For the default wxGridStringTable class the
4257 // behaviour is to replace all cell contents with wxEmptyString but
4258 // not to change the number of rows or cols.
4259 //
4260 void wxGrid::ClearGrid()
4261 {
4262     if ( m_table )
4263     {
4264         if (IsCellEditControlEnabled())
4265             DisableCellEditControl();
4266
4267         m_table->Clear();
4268         if (!GetBatchCount())
4269             m_gridWin->Refresh();
4270     }
4271 }
4272
4273 bool
4274 wxGrid::DoModifyLines(bool (wxGridTableBase::*funcModify)(size_t, size_t),
4275                       int pos, int num, bool WXUNUSED(updateLabels) )
4276 {
4277     wxCHECK_MSG( m_created, false, "must finish creating the grid first" );
4278
4279     if ( !m_table )
4280         return false;
4281
4282     if ( IsCellEditControlEnabled() )
4283         DisableCellEditControl();
4284
4285     return (m_table->*funcModify)(pos, num);
4286
4287     // the table will have sent the results of the insert row
4288     // operation to this view object as a grid table message
4289 }
4290
4291 bool
4292 wxGrid::DoAppendLines(bool (wxGridTableBase::*funcAppend)(size_t),
4293                       int num, bool WXUNUSED(updateLabels))
4294 {
4295     wxCHECK_MSG( m_created, false, "must finish creating the grid first" );
4296
4297     if ( !m_table )
4298         return false;
4299
4300     return (m_table->*funcAppend)(num);
4301 }
4302
4303 // ----------------------------------------------------------------------------
4304 // event generation helpers
4305 // ----------------------------------------------------------------------------
4306
4307 void
4308 wxGrid::SendGridSizeEvent(wxEventType type,
4309                       int row, int col,
4310                       const wxMouseEvent& mouseEv)
4311 {
4312    int rowOrCol = row == -1 ? col : row;
4313
4314    wxGridSizeEvent gridEvt( GetId(),
4315            type,
4316            this,
4317            rowOrCol,
4318            mouseEv.GetX() + GetRowLabelSize(),
4319            mouseEv.GetY() + GetColLabelSize(),
4320            mouseEv);
4321
4322    GetEventHandler()->ProcessEvent(gridEvt);
4323 }
4324
4325 // Generate a grid event based on a mouse event and return:
4326 //  -1 if the event was vetoed
4327 //  +1 if the event was processed (but not vetoed)
4328 //   0 if the event wasn't handled
4329 int
4330 wxGrid::SendEvent(const wxEventType type,
4331                   int row, int col,
4332                   const wxMouseEvent& mouseEv)
4333 {
4334    bool claimed, vetoed;
4335
4336    if ( type == wxEVT_GRID_RANGE_SELECT )
4337    {
4338        // Right now, it should _never_ end up here!
4339        wxGridRangeSelectEvent gridEvt( GetId(),
4340                type,
4341                this,
4342                m_selectedBlockTopLeft,
4343                m_selectedBlockBottomRight,
4344                true,
4345                mouseEv);
4346
4347        claimed = GetEventHandler()->ProcessEvent(gridEvt);
4348        vetoed = !gridEvt.IsAllowed();
4349    }
4350    else if ( type == wxEVT_GRID_LABEL_LEFT_CLICK ||
4351              type == wxEVT_GRID_LABEL_LEFT_DCLICK ||
4352              type == wxEVT_GRID_LABEL_RIGHT_CLICK ||
4353              type == wxEVT_GRID_LABEL_RIGHT_DCLICK )
4354    {
4355        wxPoint pos = mouseEv.GetPosition();
4356
4357        if ( mouseEv.GetEventObject() == GetGridRowLabelWindow() )
4358            pos.y += GetColLabelSize();
4359        if ( mouseEv.GetEventObject() == GetGridColLabelWindow() )
4360            pos.x += GetRowLabelSize();
4361
4362        wxGridEvent gridEvt( GetId(),
4363                type,
4364                this,
4365                row, col,
4366                pos.x,
4367                pos.y,
4368                false,
4369                mouseEv);
4370        claimed = GetEventHandler()->ProcessEvent(gridEvt);
4371        vetoed = !gridEvt.IsAllowed();
4372    }
4373    else
4374    {
4375        wxGridEvent gridEvt( GetId(),
4376                type,
4377                this,
4378                row, col,
4379                mouseEv.GetX() + GetRowLabelSize(),
4380                mouseEv.GetY() + GetColLabelSize(),
4381                false,
4382                mouseEv);
4383        claimed = GetEventHandler()->ProcessEvent(gridEvt);
4384        vetoed = !gridEvt.IsAllowed();
4385    }
4386
4387    // A Veto'd event may not be `claimed' so test this first
4388    if (vetoed)
4389        return -1;
4390
4391    return claimed ? 1 : 0;
4392 }
4393
4394 // Generate a grid event of specified type, return value same as above
4395 //
4396 int
4397 wxGrid::SendEvent(const wxEventType type, int row, int col, const wxString& s)
4398 {
4399     wxGridEvent gridEvt( GetId(), type, this, row, col );
4400     gridEvt.SetString(s);
4401
4402     const bool claimed = GetEventHandler()->ProcessEvent(gridEvt);
4403
4404     // A Veto'd event may not be `claimed' so test this first
4405     if ( !gridEvt.IsAllowed() )
4406         return -1;
4407
4408     return claimed ? 1 : 0;
4409 }
4410
4411 void wxGrid::OnPaint( wxPaintEvent& WXUNUSED(event) )
4412 {
4413     // needed to prevent zillions of paint events on MSW
4414     wxPaintDC dc(this);
4415 }
4416
4417 void wxGrid::Refresh(bool eraseb, const wxRect* rect)
4418 {
4419     // Don't do anything if between Begin/EndBatch...
4420     // EndBatch() will do all this on the last nested one anyway.
4421     if ( m_created && !GetBatchCount() )
4422     {
4423         // Refresh to get correct scrolled position:
4424         wxScrolledWindow::Refresh(eraseb, rect);
4425
4426         if (rect)
4427         {
4428             int rect_x, rect_y, rectWidth, rectHeight;
4429             int width_label, width_cell, height_label, height_cell;
4430             int x, y;
4431
4432             // Copy rectangle can get scroll offsets..
4433             rect_x = rect->GetX();
4434             rect_y = rect->GetY();
4435             rectWidth = rect->GetWidth();
4436             rectHeight = rect->GetHeight();
4437
4438             width_label = m_rowLabelWidth - rect_x;
4439             if (width_label > rectWidth)
4440                 width_label = rectWidth;
4441
4442             height_label = m_colLabelHeight - rect_y;
4443             if (height_label > rectHeight)
4444                 height_label = rectHeight;
4445
4446             if (rect_x > m_rowLabelWidth)
4447             {
4448                 x = rect_x - m_rowLabelWidth;
4449                 width_cell = rectWidth;
4450             }
4451             else
4452             {
4453                 x = 0;
4454                 width_cell = rectWidth - (m_rowLabelWidth - rect_x);
4455             }
4456
4457             if (rect_y > m_colLabelHeight)
4458             {
4459                 y = rect_y - m_colLabelHeight;
4460                 height_cell = rectHeight;
4461             }
4462             else
4463             {
4464                 y = 0;
4465                 height_cell = rectHeight - (m_colLabelHeight - rect_y);
4466             }
4467
4468             // Paint corner label part intersecting rect.
4469             if ( width_label > 0 && height_label > 0 )
4470             {
4471                 wxRect anotherrect(rect_x, rect_y, width_label, height_label);
4472                 m_cornerLabelWin->Refresh(eraseb, &anotherrect);
4473             }
4474
4475             // Paint col labels part intersecting rect.
4476             if ( width_cell > 0 && height_label > 0 )
4477             {
4478                 wxRect anotherrect(x, rect_y, width_cell, height_label);
4479                 m_colWindow->Refresh(eraseb, &anotherrect);
4480             }
4481
4482             // Paint row labels part intersecting rect.
4483             if ( width_label > 0 && height_cell > 0 )
4484             {
4485                 wxRect anotherrect(rect_x, y, width_label, height_cell);
4486                 m_rowLabelWin->Refresh(eraseb, &anotherrect);
4487             }
4488
4489             // Paint cell area part intersecting rect.
4490             if ( width_cell > 0 && height_cell > 0 )
4491             {
4492                 wxRect anotherrect(x, y, width_cell, height_cell);
4493                 m_gridWin->Refresh(eraseb, &anotherrect);
4494             }
4495         }
4496         else
4497         {
4498             m_cornerLabelWin->Refresh(eraseb, NULL);
4499             m_colWindow->Refresh(eraseb, NULL);
4500             m_rowLabelWin->Refresh(eraseb, NULL);
4501             m_gridWin->Refresh(eraseb, NULL);
4502         }
4503     }
4504 }
4505
4506 void wxGrid::OnSize(wxSizeEvent& WXUNUSED(event))
4507 {
4508     if (m_targetWindow != this) // check whether initialisation has been done
4509     {
4510         // reposition our children windows
4511         CalcWindowSizes();
4512     }
4513 }
4514
4515 void wxGrid::OnKeyDown( wxKeyEvent& event )
4516 {
4517     if ( m_inOnKeyDown )
4518     {
4519         // shouldn't be here - we are going round in circles...
4520         //
4521         wxFAIL_MSG( wxT("wxGrid::OnKeyDown called while already active") );
4522     }
4523
4524     m_inOnKeyDown = true;
4525
4526     // propagate the event up and see if it gets processed
4527     wxWindow *parent = GetParent();
4528     wxKeyEvent keyEvt( event );
4529     keyEvt.SetEventObject( parent );
4530
4531     if ( !parent->GetEventHandler()->ProcessEvent( keyEvt ) )
4532     {
4533         if (GetLayoutDirection() == wxLayout_RightToLeft)
4534         {
4535             if (event.GetKeyCode() == WXK_RIGHT)
4536                 event.m_keyCode = WXK_LEFT;
4537             else if (event.GetKeyCode() == WXK_LEFT)
4538                 event.m_keyCode = WXK_RIGHT;
4539         }
4540
4541         // try local handlers
4542         switch ( event.GetKeyCode() )
4543         {
4544             case WXK_UP:
4545                 if ( event.ControlDown() )
4546                     MoveCursorUpBlock( event.ShiftDown() );
4547                 else
4548                     MoveCursorUp( event.ShiftDown() );
4549                 break;
4550
4551             case WXK_DOWN:
4552                 if ( event.ControlDown() )
4553                     MoveCursorDownBlock( event.ShiftDown() );
4554                 else
4555                     MoveCursorDown( event.ShiftDown() );
4556                 break;
4557
4558             case WXK_LEFT:
4559                 if ( event.ControlDown() )
4560                     MoveCursorLeftBlock( event.ShiftDown() );
4561                 else
4562                     MoveCursorLeft( event.ShiftDown() );
4563                 break;
4564
4565             case WXK_RIGHT:
4566                 if ( event.ControlDown() )
4567                     MoveCursorRightBlock( event.ShiftDown() );
4568                 else
4569                     MoveCursorRight( event.ShiftDown() );
4570                 break;
4571
4572             case WXK_RETURN:
4573             case WXK_NUMPAD_ENTER:
4574                 if ( event.ControlDown() )
4575                 {
4576                     event.Skip();  // to let the edit control have the return
4577                 }
4578                 else
4579                 {
4580                     if ( GetGridCursorRow() < GetNumberRows()-1 )
4581                     {
4582                         MoveCursorDown( event.ShiftDown() );
4583                     }
4584                     else
4585                     {
4586                         // at the bottom of a column
4587                         DisableCellEditControl();
4588                     }
4589                 }
4590                 break;
4591
4592             case WXK_ESCAPE:
4593                 ClearSelection();
4594                 break;
4595
4596             case WXK_TAB:
4597                 if (event.ShiftDown())
4598                 {
4599                     if ( GetGridCursorCol() > 0 )
4600                     {
4601                         MoveCursorLeft( false );
4602                     }
4603                     else
4604                     {
4605                         // at left of grid
4606                         DisableCellEditControl();
4607                     }
4608                 }
4609                 else
4610                 {
4611                     if ( GetGridCursorCol() < GetNumberCols() - 1 )
4612                     {
4613                         MoveCursorRight( false );
4614                     }
4615                     else
4616                     {
4617                         // at right of grid
4618                         DisableCellEditControl();
4619                     }
4620                 }
4621                 break;
4622
4623             case WXK_HOME:
4624                 if ( event.ControlDown() )
4625                 {
4626                     GoToCell(0, 0);
4627                 }
4628                 else
4629                 {
4630                     event.Skip();
4631                 }
4632                 break;
4633
4634             case WXK_END:
4635                 if ( event.ControlDown() )
4636                 {
4637                     GoToCell(m_numRows - 1, m_numCols - 1);
4638                 }
4639                 else
4640                 {
4641                     event.Skip();
4642                 }
4643                 break;
4644
4645             case WXK_PAGEUP:
4646                 MovePageUp();
4647                 break;
4648
4649             case WXK_PAGEDOWN:
4650                 MovePageDown();
4651                 break;
4652
4653             case WXK_SPACE:
4654                 // Ctrl-Space selects the current column, Shift-Space -- the
4655                 // current row and Ctrl-Shift-Space -- everything
4656                 switch ( m_selection ? event.GetModifiers() : wxMOD_NONE )
4657                 {
4658                     case wxMOD_CONTROL:
4659                         m_selection->SelectCol(m_currentCellCoords.GetCol());
4660                         break;
4661
4662                     case wxMOD_SHIFT:
4663                         m_selection->SelectRow(m_currentCellCoords.GetRow());
4664                         break;
4665
4666                     case wxMOD_CONTROL | wxMOD_SHIFT:
4667                         m_selection->SelectBlock(0, 0,
4668                                                  m_numRows - 1, m_numCols - 1);
4669                         break;
4670
4671                     case wxMOD_NONE:
4672                         if ( !IsEditable() )
4673                         {
4674                             MoveCursorRight(false);
4675                             break;
4676                         }
4677                         //else: fall through
4678
4679                     default:
4680                         event.Skip();
4681                 }
4682                 break;
4683
4684             default:
4685                 event.Skip();
4686                 break;
4687         }
4688     }
4689
4690     m_inOnKeyDown = false;
4691 }
4692
4693 void wxGrid::OnKeyUp( wxKeyEvent& event )
4694 {
4695     // try local handlers
4696     //
4697     if ( event.GetKeyCode() == WXK_SHIFT )
4698     {
4699         if ( m_selectedBlockTopLeft != wxGridNoCellCoords &&
4700              m_selectedBlockBottomRight != wxGridNoCellCoords )
4701         {
4702             if ( m_selection )
4703             {
4704                 m_selection->SelectBlock(
4705                     m_selectedBlockTopLeft,
4706                     m_selectedBlockBottomRight,
4707                     event);
4708             }
4709         }
4710
4711         m_selectedBlockTopLeft = wxGridNoCellCoords;
4712         m_selectedBlockBottomRight = wxGridNoCellCoords;
4713         m_selectedBlockCorner = wxGridNoCellCoords;
4714     }
4715 }
4716
4717 void wxGrid::OnChar( wxKeyEvent& event )
4718 {
4719     // is it possible to edit the current cell at all?
4720     if ( !IsCellEditControlEnabled() && CanEnableCellControl() )
4721     {
4722         // yes, now check whether the cells editor accepts the key
4723         int row = m_currentCellCoords.GetRow();
4724         int col = m_currentCellCoords.GetCol();
4725         wxGridCellAttr *attr = GetCellAttr(row, col);
4726         wxGridCellEditor *editor = attr->GetEditor(this, row, col);
4727
4728         // <F2> is special and will always start editing, for
4729         // other keys - ask the editor itself
4730         if ( (event.GetKeyCode() == WXK_F2 && !event.HasModifiers())
4731              || editor->IsAcceptedKey(event) )
4732         {
4733             // ensure cell is visble
4734             MakeCellVisible(row, col);
4735             EnableCellEditControl();
4736
4737             // a problem can arise if the cell is not completely
4738             // visible (even after calling MakeCellVisible the
4739             // control is not created and calling StartingKey will
4740             // crash the app
4741             if ( event.GetKeyCode() != WXK_F2 && editor->IsCreated() && m_cellEditCtrlEnabled )
4742                 editor->StartingKey(event);
4743         }
4744         else
4745         {
4746             event.Skip();
4747         }
4748
4749         editor->DecRef();
4750         attr->DecRef();
4751     }
4752     else
4753     {
4754         event.Skip();
4755     }
4756 }
4757
4758 void wxGrid::OnEraseBackground(wxEraseEvent&)
4759 {
4760 }
4761
4762 bool wxGrid::SetCurrentCell( const wxGridCellCoords& coords )
4763 {
4764     if ( SendEvent(wxEVT_GRID_SELECT_CELL, coords) == -1 )
4765     {
4766         // the event has been vetoed - do nothing
4767         return false;
4768     }
4769
4770 #if !defined(__WXMAC__)
4771     wxClientDC dc( m_gridWin );
4772     PrepareDC( dc );
4773 #endif
4774
4775     if ( m_currentCellCoords != wxGridNoCellCoords )
4776     {
4777         DisableCellEditControl();
4778
4779         if ( IsVisible( m_currentCellCoords, false ) )
4780         {
4781             wxRect r;
4782             r = BlockToDeviceRect( m_currentCellCoords, m_currentCellCoords );
4783             if ( !m_gridLinesEnabled )
4784             {
4785                 r.x--;
4786                 r.y--;
4787                 r.width++;
4788                 r.height++;
4789             }
4790
4791             wxGridCellCoordsArray cells = CalcCellsExposed( r );
4792
4793             // Otherwise refresh redraws the highlight!
4794             m_currentCellCoords = coords;
4795
4796 #if defined(__WXMAC__)
4797             m_gridWin->Refresh(true /*, & r */);
4798 #else
4799             DrawGridCellArea( dc, cells );
4800             DrawAllGridLines( dc, r );
4801 #endif
4802         }
4803     }
4804
4805     m_currentCellCoords = coords;
4806
4807     wxGridCellAttr *attr = GetCellAttr( coords );
4808 #if !defined(__WXMAC__)
4809     DrawCellHighlight( dc, attr );
4810 #endif
4811     attr->DecRef();
4812
4813     return true;
4814 }
4815
4816 void
4817 wxGrid::UpdateBlockBeingSelected(int topRow, int leftCol,
4818                                  int bottomRow, int rightCol)
4819 {
4820     if ( m_selection )
4821     {
4822         switch ( m_selection->GetSelectionMode() )
4823         {
4824             default:
4825                 wxFAIL_MSG( "unknown selection mode" );
4826                 // fall through
4827
4828             case wxGridSelectCells:
4829                 // arbitrary blocks selection allowed so just use the cell
4830                 // coordinates as is
4831                 break;
4832
4833             case wxGridSelectRows:
4834                 // only full rows selection allowd, ensure that we do select
4835                 // full rows
4836                 leftCol = 0;
4837                 rightCol = GetNumberCols() - 1;
4838                 break;
4839
4840             case wxGridSelectColumns:
4841                 // same as above but for columns
4842                 topRow = 0;
4843                 bottomRow = GetNumberRows() - 1;
4844                 break;
4845
4846             case wxGridSelectRowsOrColumns:
4847                 // in this mode we can select only full rows or full columns so
4848                 // it doesn't make sense to select blocks at all (and we can't
4849                 // extend the block because there is no preferred direction, we
4850                 // could only extend it to cover the entire grid but this is
4851                 // not useful)
4852                 return;
4853         }
4854     }
4855
4856     m_selectedBlockCorner = wxGridCellCoords(bottomRow, rightCol);
4857     MakeCellVisible(m_selectedBlockCorner);
4858
4859     EnsureFirstLessThanSecond(topRow, bottomRow);
4860     EnsureFirstLessThanSecond(leftCol, rightCol);
4861
4862     wxGridCellCoords updateTopLeft = wxGridCellCoords(topRow, leftCol),
4863                      updateBottomRight = wxGridCellCoords(bottomRow, rightCol);
4864
4865     // First the case that we selected a completely new area
4866     if ( m_selectedBlockTopLeft == wxGridNoCellCoords ||
4867          m_selectedBlockBottomRight == wxGridNoCellCoords )
4868     {
4869         wxRect rect;
4870         rect = BlockToDeviceRect( wxGridCellCoords ( topRow, leftCol ),
4871                                   wxGridCellCoords ( bottomRow, rightCol ) );
4872         m_gridWin->Refresh( false, &rect );
4873     }
4874
4875     // Now handle changing an existing selection area.
4876     else if ( m_selectedBlockTopLeft != updateTopLeft ||
4877               m_selectedBlockBottomRight != updateBottomRight )
4878     {
4879         // Compute two optimal update rectangles:
4880         // Either one rectangle is a real subset of the
4881         // other, or they are (almost) disjoint!
4882         wxRect  rect[4];
4883         bool    need_refresh[4];
4884         need_refresh[0] =
4885         need_refresh[1] =
4886         need_refresh[2] =
4887         need_refresh[3] = false;
4888         int     i;
4889
4890         // Store intermediate values
4891         wxCoord oldLeft = m_selectedBlockTopLeft.GetCol();
4892         wxCoord oldTop = m_selectedBlockTopLeft.GetRow();
4893         wxCoord oldRight = m_selectedBlockBottomRight.GetCol();
4894         wxCoord oldBottom = m_selectedBlockBottomRight.GetRow();
4895
4896         // Determine the outer/inner coordinates.
4897         EnsureFirstLessThanSecond(oldLeft, leftCol);
4898         EnsureFirstLessThanSecond(oldTop, topRow);
4899         EnsureFirstLessThanSecond(rightCol, oldRight);
4900         EnsureFirstLessThanSecond(bottomRow, oldBottom);
4901
4902         // Now, either the stuff marked old is the outer
4903         // rectangle or we don't have a situation where one
4904         // is contained in the other.
4905
4906         if ( oldLeft < leftCol )
4907         {
4908             // Refresh the newly selected or deselected
4909             // area to the left of the old or new selection.
4910             need_refresh[0] = true;
4911             rect[0] = BlockToDeviceRect(
4912                 wxGridCellCoords( oldTop,  oldLeft ),
4913                 wxGridCellCoords( oldBottom, leftCol - 1 ) );
4914         }
4915
4916         if ( oldTop < topRow )
4917         {
4918             // Refresh the newly selected or deselected
4919             // area above the old or new selection.
4920             need_refresh[1] = true;
4921             rect[1] = BlockToDeviceRect(
4922                 wxGridCellCoords( oldTop, leftCol ),
4923                 wxGridCellCoords( topRow - 1, rightCol ) );
4924         }
4925
4926         if ( oldRight > rightCol )
4927         {
4928             // Refresh the newly selected or deselected
4929             // area to the right of the old or new selection.
4930             need_refresh[2] = true;
4931             rect[2] = BlockToDeviceRect(
4932                 wxGridCellCoords( oldTop, rightCol + 1 ),
4933                 wxGridCellCoords( oldBottom, oldRight ) );
4934         }
4935
4936         if ( oldBottom > bottomRow )
4937         {
4938             // Refresh the newly selected or deselected
4939             // area below the old or new selection.
4940             need_refresh[3] = true;
4941             rect[3] = BlockToDeviceRect(
4942                 wxGridCellCoords( bottomRow + 1, leftCol ),
4943                 wxGridCellCoords( oldBottom, rightCol ) );
4944         }
4945
4946         // various Refresh() calls
4947         for (i = 0; i < 4; i++ )
4948             if ( need_refresh[i] && rect[i] != wxGridNoCellRect )
4949                 m_gridWin->Refresh( false, &(rect[i]) );
4950     }
4951
4952     // change selection
4953     m_selectedBlockTopLeft = updateTopLeft;
4954     m_selectedBlockBottomRight = updateBottomRight;
4955 }
4956
4957 //
4958 // ------ functions to get/send data (see also public functions)
4959 //
4960
4961 bool wxGrid::GetModelValues()
4962 {
4963     // Hide the editor, so it won't hide a changed value.
4964     HideCellEditControl();
4965
4966     if ( m_table )
4967     {
4968         // all we need to do is repaint the grid
4969         //
4970         m_gridWin->Refresh();
4971         return true;
4972     }
4973
4974     return false;
4975 }
4976
4977 bool wxGrid::SetModelValues()
4978 {
4979     int row, col;
4980
4981     // Disable the editor, so it won't hide a changed value.
4982     // Do we also want to save the current value of the editor first?
4983     // I think so ...
4984     DisableCellEditControl();
4985
4986     if ( m_table )
4987     {
4988         for ( row = 0; row < m_numRows; row++ )
4989         {
4990             for ( col = 0; col < m_numCols; col++ )
4991             {
4992                 m_table->SetValue( row, col, GetCellValue(row, col) );
4993             }
4994         }
4995
4996         return true;
4997     }
4998
4999     return false;
5000 }
5001
5002 // Note - this function only draws cells that are in the list of
5003 // exposed cells (usually set from the update region by
5004 // CalcExposedCells)
5005 //
5006 void wxGrid::DrawGridCellArea( wxDC& dc, const wxGridCellCoordsArray& cells )
5007 {
5008     if ( !m_numRows || !m_numCols )
5009         return;
5010
5011     int i, numCells = cells.GetCount();
5012     int row, col, cell_rows, cell_cols;
5013     wxGridCellCoordsArray redrawCells;
5014
5015     for ( i = numCells - 1; i >= 0; i-- )
5016     {
5017         row = cells[i].GetRow();
5018         col = cells[i].GetCol();
5019         GetCellSize( row, col, &cell_rows, &cell_cols );
5020
5021         // If this cell is part of a multicell block, find owner for repaint
5022         if ( cell_rows <= 0 || cell_cols <= 0 )
5023         {
5024             wxGridCellCoords cell( row + cell_rows, col + cell_cols );
5025             bool marked = false;
5026             for ( int j = 0; j < numCells; j++ )
5027             {
5028                 if ( cell == cells[j] )
5029                 {
5030                     marked = true;
5031                     break;
5032                 }
5033             }
5034
5035             if (!marked)
5036             {
5037                 int count = redrawCells.GetCount();
5038                 for (int j = 0; j < count; j++)
5039                 {
5040                     if ( cell == redrawCells[j] )
5041                     {
5042                         marked = true;
5043                         break;
5044                     }
5045                 }
5046
5047                 if (!marked)
5048                     redrawCells.Add( cell );
5049             }
5050
5051             // don't bother drawing this cell
5052             continue;
5053         }
5054
5055         // If this cell is empty, find cell to left that might want to overflow
5056         if (m_table && m_table->IsEmptyCell(row, col))
5057         {
5058             for ( int l = 0; l < cell_rows; l++ )
5059             {
5060                 // find a cell in this row to leave already marked for repaint
5061                 int left = col;
5062                 for (int k = 0; k < int(redrawCells.GetCount()); k++)
5063                     if ((redrawCells[k].GetCol() < left) &&
5064                         (redrawCells[k].GetRow() == row))
5065                     {
5066                         left = redrawCells[k].GetCol();
5067                     }
5068
5069                 if (left == col)
5070                     left = 0; // oh well
5071
5072                 for (int j = col - 1; j >= left; j--)
5073                 {
5074                     if (!m_table->IsEmptyCell(row + l, j))
5075                     {
5076                         if (GetCellOverflow(row + l, j))
5077                         {
5078                             wxGridCellCoords cell(row + l, j);
5079                             bool marked = false;
5080
5081                             for (int k = 0; k < numCells; k++)
5082                             {
5083                                 if ( cell == cells[k] )
5084                                 {
5085                                     marked = true;
5086                                     break;
5087                                 }
5088                             }
5089
5090                             if (!marked)
5091                             {
5092                                 int count = redrawCells.GetCount();
5093                                 for (int k = 0; k < count; k++)
5094                                 {
5095                                     if ( cell == redrawCells[k] )
5096                                     {
5097                                         marked = true;
5098                                         break;
5099                                     }
5100                                 }
5101                                 if (!marked)
5102                                     redrawCells.Add( cell );
5103                             }
5104                         }
5105                         break;
5106                     }
5107                 }
5108             }
5109         }
5110
5111         DrawCell( dc, cells[i] );
5112     }
5113
5114     numCells = redrawCells.GetCount();
5115
5116     for ( i = numCells - 1; i >= 0; i-- )
5117     {
5118         DrawCell( dc, redrawCells[i] );
5119     }
5120 }
5121
5122 void wxGrid::DrawGridSpace( wxDC& dc )
5123 {
5124   int cw, ch;
5125   m_gridWin->GetClientSize( &cw, &ch );
5126
5127   int right, bottom;
5128   CalcUnscrolledPosition( cw, ch, &right, &bottom );
5129
5130   int rightCol = m_numCols > 0 ? GetColRight(GetColAt( m_numCols - 1 )) : 0;
5131   int bottomRow = m_numRows > 0 ? GetRowBottom(m_numRows - 1) : 0;
5132
5133   if ( right > rightCol || bottom > bottomRow )
5134   {
5135       int left, top;
5136       CalcUnscrolledPosition( 0, 0, &left, &top );
5137
5138       dc.SetBrush(GetDefaultCellBackgroundColour());
5139       dc.SetPen( *wxTRANSPARENT_PEN );
5140
5141       if ( right > rightCol )
5142       {
5143           dc.DrawRectangle( rightCol, top, right - rightCol, ch );
5144       }
5145
5146       if ( bottom > bottomRow )
5147       {
5148           dc.DrawRectangle( left, bottomRow, cw, bottom - bottomRow );
5149       }
5150   }
5151 }
5152
5153 void wxGrid::DrawCell( wxDC& dc, const wxGridCellCoords& coords )
5154 {
5155     int row = coords.GetRow();
5156     int col = coords.GetCol();
5157
5158     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
5159         return;
5160
5161     // we draw the cell border ourselves
5162     wxGridCellAttr* attr = GetCellAttr(row, col);
5163
5164     bool isCurrent = coords == m_currentCellCoords;
5165
5166     wxRect rect = CellToRect( row, col );
5167
5168     // if the editor is shown, we should use it and not the renderer
5169     // Note: However, only if it is really _shown_, i.e. not hidden!
5170     if ( isCurrent && IsCellEditControlShown() )
5171     {
5172         // NB: this "#if..." is temporary and fixes a problem where the
5173         // edit control is erased by this code after being rendered.
5174         // On wxMac (QD build only), the cell editor is a wxTextCntl and is rendered
5175         // implicitly, causing this out-of order render.
5176 #if !defined(__WXMAC__)
5177         wxGridCellEditor *editor = attr->GetEditor(this, row, col);
5178         editor->PaintBackground(rect, attr);
5179         editor->DecRef();
5180 #endif
5181     }
5182     else
5183     {
5184         // but all the rest is drawn by the cell renderer and hence may be customized
5185         wxGridCellRenderer *renderer = attr->GetRenderer(this, row, col);
5186         renderer->Draw(*this, *attr, dc, rect, row, col, IsInSelection(coords));
5187         renderer->DecRef();
5188     }
5189
5190     attr->DecRef();
5191 }
5192
5193 void wxGrid::DrawCellHighlight( wxDC& dc, const wxGridCellAttr *attr )
5194 {
5195     // don't show highlight when the grid doesn't have focus
5196     if ( !HasFocus() )
5197         return;
5198
5199     int row = m_currentCellCoords.GetRow();
5200     int col = m_currentCellCoords.GetCol();
5201
5202     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
5203         return;
5204
5205     wxRect rect = CellToRect(row, col);
5206
5207     // hmmm... what could we do here to show that the cell is disabled?
5208     // for now, I just draw a thinner border than for the other ones, but
5209     // it doesn't look really good
5210
5211     int penWidth = attr->IsReadOnly() ? m_cellHighlightROPenWidth : m_cellHighlightPenWidth;
5212
5213     if (penWidth > 0)
5214     {
5215         // The center of the drawn line is where the position/width/height of
5216         // the rectangle is actually at (on wxMSW at least), so the
5217         // size of the rectangle is reduced to compensate for the thickness of
5218         // the line. If this is too strange on non-wxMSW platforms then
5219         // please #ifdef this appropriately.
5220         rect.x += penWidth / 2;
5221         rect.y += penWidth / 2;
5222         rect.width -= penWidth - 1;
5223         rect.height -= penWidth - 1;
5224
5225         // Now draw the rectangle
5226         // use the cellHighlightColour if the cell is inside a selection, this
5227         // will ensure the cell is always visible.
5228         dc.SetPen(wxPen(IsInSelection(row,col) ? m_selectionForeground
5229                                                : m_cellHighlightColour,
5230                         penWidth));
5231         dc.SetBrush(*wxTRANSPARENT_BRUSH);
5232         dc.DrawRectangle(rect);
5233     }
5234 }
5235
5236 wxPen wxGrid::GetDefaultGridLinePen()
5237 {
5238     return wxPen(GetGridLineColour());
5239 }
5240
5241 wxPen wxGrid::GetRowGridLinePen(int WXUNUSED(row))
5242 {
5243     return GetDefaultGridLinePen();
5244 }
5245
5246 wxPen wxGrid::GetColGridLinePen(int WXUNUSED(col))
5247 {
5248     return GetDefaultGridLinePen();
5249 }
5250
5251 void wxGrid::DrawCellBorder( wxDC& dc, const wxGridCellCoords& coords )
5252 {
5253     int row = coords.GetRow();
5254     int col = coords.GetCol();
5255     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
5256         return;
5257
5258
5259     wxRect rect = CellToRect( row, col );
5260
5261     // right hand border
5262     dc.SetPen( GetColGridLinePen(col) );
5263     dc.DrawLine( rect.x + rect.width, rect.y,
5264                  rect.x + rect.width, rect.y + rect.height + 1 );
5265
5266     // bottom border
5267     dc.SetPen( GetRowGridLinePen(row) );
5268     dc.DrawLine( rect.x, rect.y + rect.height,
5269                  rect.x + rect.width, rect.y + rect.height);
5270 }
5271
5272 void wxGrid::DrawHighlight(wxDC& dc, const wxGridCellCoordsArray& cells)
5273 {
5274     // This if block was previously in wxGrid::OnPaint but that doesn't
5275     // seem to get called under wxGTK - MB
5276     //
5277     if ( m_currentCellCoords == wxGridNoCellCoords &&
5278          m_numRows && m_numCols )
5279     {
5280         m_currentCellCoords.Set(0, 0);
5281     }
5282
5283     if ( IsCellEditControlShown() )
5284     {
5285         // don't show highlight when the edit control is shown
5286         return;
5287     }
5288
5289     // if the active cell was repainted, repaint its highlight too because it
5290     // might have been damaged by the grid lines
5291     size_t count = cells.GetCount();
5292     for ( size_t n = 0; n < count; n++ )
5293     {
5294         wxGridCellCoords cell = cells[n];
5295
5296         // If we are using attributes, then we may have just exposed another
5297         // cell in a partially-visible merged cluster of cells. If the "anchor"
5298         // (upper left) cell of this merged cluster is the cell indicated by
5299         // m_currentCellCoords, then we need to refresh the cell highlight even
5300         // though the "anchor" itself is not part of our update segment.
5301         if ( CanHaveAttributes() )
5302         {
5303             int rows = 0,
5304                 cols = 0;
5305             GetCellSize(cell.GetRow(), cell.GetCol(), &rows, &cols);
5306
5307             if ( rows < 0 )
5308                 cell.SetRow(cell.GetRow() + rows);
5309
5310             if ( cols < 0 )
5311                 cell.SetCol(cell.GetCol() + cols);
5312         }
5313
5314         if ( cell == m_currentCellCoords )
5315         {
5316             wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords);
5317             DrawCellHighlight(dc, attr);
5318             attr->DecRef();
5319
5320             break;
5321         }
5322     }
5323 }
5324
5325 // This is used to redraw all grid lines e.g. when the grid line colour
5326 // has been changed
5327 //
5328 void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & WXUNUSED(reg) )
5329 {
5330     if ( !m_gridLinesEnabled )
5331          return;
5332
5333     int top, bottom, left, right;
5334
5335     int cw, ch;
5336     m_gridWin->GetClientSize(&cw, &ch);
5337     CalcUnscrolledPosition( 0, 0, &left, &top );
5338     CalcUnscrolledPosition( cw, ch, &right, &bottom );
5339
5340     // avoid drawing grid lines past the last row and col
5341     if ( m_gridLinesClipHorz )
5342     {
5343         if ( !m_numCols )
5344             return;
5345
5346         const int lastColRight = GetColRight(GetColAt(m_numCols - 1));
5347         if ( right > lastColRight )
5348             right = lastColRight;
5349     }
5350
5351     if ( m_gridLinesClipVert )
5352     {
5353         if ( !m_numRows )
5354             return;
5355
5356         const int lastRowBottom = GetRowBottom(m_numRows - 1);
5357         if ( bottom > lastRowBottom )
5358             bottom = lastRowBottom;
5359     }
5360
5361     // no gridlines inside multicells, clip them out
5362     int leftCol = GetColPos( internalXToCol(left) );
5363     int topRow = internalYToRow(top);
5364     int rightCol = GetColPos( internalXToCol(right) );
5365     int bottomRow = internalYToRow(bottom);
5366
5367     wxRegion clippedcells(0, 0, cw, ch);
5368
5369     int cell_rows, cell_cols;
5370     wxRect rect;
5371
5372     for ( int j = topRow; j <= bottomRow; j++ )
5373     {
5374         for ( int colPos = leftCol; colPos <= rightCol; colPos++ )
5375         {
5376             int i = GetColAt( colPos );
5377
5378             GetCellSize( j, i, &cell_rows, &cell_cols );
5379             if ((cell_rows > 1) || (cell_cols > 1))
5380             {
5381                 rect = CellToRect(j,i);
5382                 CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
5383                 clippedcells.Subtract(rect);
5384             }
5385             else if ((cell_rows < 0) || (cell_cols < 0))
5386             {
5387                 rect = CellToRect(j + cell_rows, i + cell_cols);
5388                 CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
5389                 clippedcells.Subtract(rect);
5390             }
5391         }
5392     }
5393
5394     dc.SetDeviceClippingRegion( clippedcells );
5395
5396
5397     // horizontal grid lines
5398     for ( int i = internalYToRow(top); i < m_numRows; i++ )
5399     {
5400         int bot = GetRowBottom(i) - 1;
5401
5402         if ( bot > bottom )
5403             break;
5404
5405         if ( bot >= top )
5406         {
5407             dc.SetPen( GetRowGridLinePen(i) );
5408             dc.DrawLine( left, bot, right, bot );
5409         }
5410     }
5411
5412     // vertical grid lines
5413     for ( int colPos = leftCol; colPos < m_numCols; colPos++ )
5414     {
5415         int i = GetColAt( colPos );
5416
5417         int colRight = GetColRight(i);
5418 #ifdef __WXGTK__
5419         if (GetLayoutDirection() != wxLayout_RightToLeft)
5420 #endif
5421             colRight--;
5422
5423         if ( colRight > right )
5424             break;
5425
5426         if ( colRight >= left )
5427         {
5428             dc.SetPen( GetColGridLinePen(i) );
5429             dc.DrawLine( colRight, top, colRight, bottom );
5430         }
5431     }
5432
5433     dc.DestroyClippingRegion();
5434 }
5435
5436 void wxGrid::DrawRowLabels( wxDC& dc, const wxArrayInt& rows)
5437 {
5438     if ( !m_numRows )
5439         return;
5440
5441     const size_t numLabels = rows.GetCount();
5442     for ( size_t i = 0; i < numLabels; i++ )
5443     {
5444         DrawRowLabel( dc, rows[i] );
5445     }
5446 }
5447
5448 void wxGrid::DrawRowLabel( wxDC& dc, int row )
5449 {
5450     if ( GetRowHeight(row) <= 0 || m_rowLabelWidth <= 0 )
5451         return;
5452
5453     wxGridCellAttrProvider * const
5454         attrProvider = m_table ? m_table->GetAttrProvider() : NULL;
5455
5456     // notice that an explicit static_cast is needed to avoid a compilation
5457     // error with VC7.1 which, for some reason, tries to instantiate (abstract)
5458     // wxGridRowHeaderRenderer class without it
5459     const wxGridRowHeaderRenderer&
5460         rend = attrProvider ? attrProvider->GetRowHeaderRenderer(row)
5461                             : static_cast<const wxGridRowHeaderRenderer&>
5462                                 (gs_defaultHeaderRenderers.rowRenderer);
5463
5464     wxRect rect(0, GetRowTop(row), m_rowLabelWidth, GetRowHeight(row));
5465     rend.DrawBorder(*this, dc, rect);
5466
5467     int hAlign, vAlign;
5468     GetRowLabelAlignment(&hAlign, &vAlign);
5469
5470     rend.DrawLabel(*this, dc, GetRowLabelValue(row),
5471                    rect, hAlign, vAlign, wxHORIZONTAL);
5472 }
5473
5474 void wxGrid::UseNativeColHeader(bool native)
5475 {
5476     if ( native == m_useNativeHeader )
5477         return;
5478
5479     delete m_colWindow;
5480     m_useNativeHeader = native;
5481
5482     CreateColumnWindow();
5483
5484     if ( m_useNativeHeader )
5485         GetGridColHeader()->SetColumnCount(m_numCols);
5486     CalcWindowSizes();
5487 }
5488
5489 void wxGrid::SetUseNativeColLabels( bool native )
5490 {
5491     wxASSERT_MSG( !m_useNativeHeader,
5492                   "doesn't make sense when using native header" );
5493
5494     m_nativeColumnLabels = native;
5495     if (native)
5496     {
5497         int height = wxRendererNative::Get().GetHeaderButtonHeight( this );
5498         SetColLabelSize( height );
5499     }
5500
5501     GetColLabelWindow()->Refresh();
5502     m_cornerLabelWin->Refresh();
5503 }
5504
5505 void wxGrid::DrawColLabels( wxDC& dc,const wxArrayInt& cols )
5506 {
5507     if ( !m_numCols )
5508         return;
5509
5510     const size_t numLabels = cols.GetCount();
5511     for ( size_t i = 0; i < numLabels; i++ )
5512     {
5513         DrawColLabel( dc, cols[i] );
5514     }
5515 }
5516
5517 void wxGrid::DrawCornerLabel(wxDC& dc)
5518 {
5519     wxRect rect(wxSize(m_rowLabelWidth, m_colLabelHeight));
5520
5521     if ( m_nativeColumnLabels )
5522     {
5523         rect.Deflate(1);
5524
5525         wxRendererNative::Get().DrawHeaderButton(m_cornerLabelWin, dc, rect, 0);
5526     }
5527     else
5528     {
5529         rect.width++;
5530         rect.height++;
5531
5532         wxGridCellAttrProvider * const
5533             attrProvider = m_table ? m_table->GetAttrProvider() : NULL;
5534         const wxGridCornerHeaderRenderer&
5535             rend = attrProvider ? attrProvider->GetCornerRenderer()
5536                                 : static_cast<wxGridCornerHeaderRenderer&>
5537                                     (gs_defaultHeaderRenderers.cornerRenderer);
5538
5539         rend.DrawBorder(*this, dc, rect);
5540     }
5541 }
5542
5543 void wxGrid::DrawColLabel(wxDC& dc, int col)
5544 {
5545     if ( GetColWidth(col) <= 0 || m_colLabelHeight <= 0 )
5546         return;
5547
5548     int colLeft = GetColLeft(col);
5549
5550     wxRect rect(colLeft, 0, GetColWidth(col), m_colLabelHeight);
5551     wxGridCellAttrProvider * const
5552         attrProvider = m_table ? m_table->GetAttrProvider() : NULL;
5553     const wxGridColumnHeaderRenderer&
5554         rend = attrProvider ? attrProvider->GetColumnHeaderRenderer(col)
5555                             : static_cast<wxGridColumnHeaderRenderer&>
5556                                 (gs_defaultHeaderRenderers.colRenderer);
5557
5558     if ( m_nativeColumnLabels )
5559     {
5560         wxRendererNative::Get().DrawHeaderButton
5561                                 (
5562                                     GetColLabelWindow(),
5563                                     dc,
5564                                     rect,
5565                                     0,
5566                                     IsSortingBy(col)
5567                                         ? IsSortOrderAscending()
5568                                             ? wxHDR_SORT_ICON_UP
5569                                             : wxHDR_SORT_ICON_DOWN
5570                                         : wxHDR_SORT_ICON_NONE
5571                                 );
5572         rect.Deflate(2);
5573     }
5574     else
5575     {
5576         rend.DrawBorder(*this, dc, rect);
5577     }
5578
5579     int hAlign, vAlign;
5580     GetColLabelAlignment(&hAlign, &vAlign);
5581     const int orient = GetColLabelTextOrientation();
5582
5583     rend.DrawLabel(*this, dc, GetColLabelValue(col), rect, hAlign, vAlign, orient);
5584 }
5585
5586 // TODO: these 2 functions should be replaced with wxDC::DrawLabel() to which
5587 //       we just have to add textOrientation support
5588 void wxGrid::DrawTextRectangle( wxDC& dc,
5589                                 const wxString& value,
5590                                 const wxRect& rect,
5591                                 int horizAlign,
5592                                 int vertAlign,
5593                                 int textOrientation ) const
5594 {
5595     wxArrayString lines;
5596
5597     StringToLines( value, lines );
5598
5599     DrawTextRectangle(dc, lines, rect, horizAlign, vertAlign, textOrientation);
5600 }
5601
5602 void wxGrid::DrawTextRectangle(wxDC& dc,
5603                                const wxArrayString& lines,
5604                                const wxRect& rect,
5605                                int horizAlign,
5606                                int vertAlign,
5607                                int textOrientation) const
5608 {
5609     if ( lines.empty() )
5610         return;
5611
5612     wxDCClipper clip(dc, rect);
5613
5614     long textWidth,
5615          textHeight;
5616
5617     if ( textOrientation == wxHORIZONTAL )
5618         GetTextBoxSize( dc, lines, &textWidth, &textHeight );
5619     else
5620         GetTextBoxSize( dc, lines, &textHeight, &textWidth );
5621
5622     int x = 0,
5623         y = 0;
5624     switch ( vertAlign )
5625     {
5626         case wxALIGN_BOTTOM:
5627             if ( textOrientation == wxHORIZONTAL )
5628                 y = rect.y + (rect.height - textHeight - 1);
5629             else
5630                 x = rect.x + rect.width - textWidth;
5631             break;
5632
5633         case wxALIGN_CENTRE:
5634             if ( textOrientation == wxHORIZONTAL )
5635                 y = rect.y + ((rect.height - textHeight) / 2);
5636             else
5637                 x = rect.x + ((rect.width - textWidth) / 2);
5638             break;
5639
5640         case wxALIGN_TOP:
5641         default:
5642             if ( textOrientation == wxHORIZONTAL )
5643                 y = rect.y + 1;
5644             else
5645                 x = rect.x + 1;
5646             break;
5647     }
5648
5649     // Align each line of a multi-line label
5650     size_t nLines = lines.GetCount();
5651     for ( size_t l = 0; l < nLines; l++ )
5652     {
5653         const wxString& line = lines[l];
5654
5655         if ( line.empty() )
5656         {
5657             *(textOrientation == wxHORIZONTAL ? &y : &x) += dc.GetCharHeight();
5658             continue;
5659         }
5660
5661         wxCoord lineWidth = 0,
5662              lineHeight = 0;
5663         dc.GetTextExtent(line, &lineWidth, &lineHeight);
5664
5665         switch ( horizAlign )
5666         {
5667             case wxALIGN_RIGHT:
5668                 if ( textOrientation == wxHORIZONTAL )
5669                     x = rect.x + (rect.width - lineWidth - 1);
5670                 else
5671                     y = rect.y + lineWidth + 1;
5672                 break;
5673
5674             case wxALIGN_CENTRE:
5675                 if ( textOrientation == wxHORIZONTAL )
5676                     x = rect.x + ((rect.width - lineWidth) / 2);
5677                 else
5678                     y = rect.y + rect.height - ((rect.height - lineWidth) / 2);
5679                 break;
5680
5681             case wxALIGN_LEFT:
5682             default:
5683                 if ( textOrientation == wxHORIZONTAL )
5684                     x = rect.x + 1;
5685                 else
5686                     y = rect.y + rect.height - 1;
5687                 break;
5688         }
5689
5690         if ( textOrientation == wxHORIZONTAL )
5691         {
5692             dc.DrawText( line, x, y );
5693             y += lineHeight;
5694         }
5695         else
5696         {
5697             dc.DrawRotatedText( line, x, y, 90.0 );
5698             x += lineHeight;
5699         }
5700     }
5701 }
5702
5703 // Split multi-line text up into an array of strings.
5704 // Any existing contents of the string array are preserved.
5705 //
5706 // TODO: refactor wxTextFile::Read() and reuse the same code from here
5707 void wxGrid::StringToLines( const wxString& value, wxArrayString& lines ) const
5708 {
5709     int startPos = 0;
5710     int pos;
5711     wxString eol = wxTextFile::GetEOL( wxTextFileType_Unix );
5712     wxString tVal = wxTextFile::Translate( value, wxTextFileType_Unix );
5713
5714     while ( startPos < (int)tVal.length() )
5715     {
5716         pos = tVal.Mid(startPos).Find( eol );
5717         if ( pos < 0 )
5718         {
5719             break;
5720         }
5721         else if ( pos == 0 )
5722         {
5723             lines.Add( wxEmptyString );
5724         }
5725         else
5726         {
5727             lines.Add( tVal.Mid(startPos, pos) );
5728         }
5729
5730         startPos += pos + 1;
5731     }
5732
5733     if ( startPos < (int)tVal.length() )
5734     {
5735         lines.Add( tVal.Mid( startPos ) );
5736     }
5737 }
5738
5739 void wxGrid::GetTextBoxSize( const wxDC& dc,
5740                              const wxArrayString& lines,
5741                              long *width, long *height ) const
5742 {
5743     wxCoord w = 0;
5744     wxCoord h = 0;
5745     wxCoord lineW = 0, lineH = 0;
5746
5747     size_t i;
5748     for ( i = 0; i < lines.GetCount(); i++ )
5749     {
5750         dc.GetTextExtent( lines[i], &lineW, &lineH );
5751         w = wxMax( w, lineW );
5752         h += lineH;
5753     }
5754
5755     *width = w;
5756     *height = h;
5757 }
5758
5759 //
5760 // ------ Batch processing.
5761 //
5762 void wxGrid::EndBatch()
5763 {
5764     if ( m_batchCount > 0 )
5765     {
5766         m_batchCount--;
5767         if ( !m_batchCount )
5768         {
5769             CalcDimensions();
5770             m_rowLabelWin->Refresh();
5771             m_colWindow->Refresh();
5772             m_cornerLabelWin->Refresh();
5773             m_gridWin->Refresh();
5774         }
5775     }
5776 }
5777
5778 // Use this, rather than wxWindow::Refresh(), to force an immediate
5779 // repainting of the grid. Has no effect if you are already inside a
5780 // BeginBatch / EndBatch block.
5781 //
5782 void wxGrid::ForceRefresh()
5783 {
5784     BeginBatch();
5785     EndBatch();
5786 }
5787
5788 bool wxGrid::Enable(bool enable)
5789 {
5790     if ( !wxScrolledWindow::Enable(enable) )
5791         return false;
5792
5793     // redraw in the new state
5794     m_gridWin->Refresh();
5795
5796     return true;
5797 }
5798
5799 //
5800 // ------ Edit control functions
5801 //
5802
5803 void wxGrid::EnableEditing( bool edit )
5804 {
5805     if ( edit != m_editable )
5806     {
5807         if (!edit)
5808             EnableCellEditControl(edit);
5809         m_editable = edit;
5810     }
5811 }
5812
5813 void wxGrid::EnableCellEditControl( bool enable )
5814 {
5815     if (! m_editable)
5816         return;
5817
5818     if ( enable != m_cellEditCtrlEnabled )
5819     {
5820         if ( enable )
5821         {
5822             if ( SendEvent(wxEVT_GRID_EDITOR_SHOWN) == -1 )
5823                 return;
5824
5825             // this should be checked by the caller!
5826             wxASSERT_MSG( CanEnableCellControl(), wxT("can't enable editing for this cell!") );
5827
5828             // do it before ShowCellEditControl()
5829             m_cellEditCtrlEnabled = enable;
5830
5831             ShowCellEditControl();
5832         }
5833         else
5834         {
5835             SendEvent(wxEVT_GRID_EDITOR_HIDDEN);
5836
5837             HideCellEditControl();
5838             SaveEditControlValue();
5839
5840             // do it after HideCellEditControl()
5841             m_cellEditCtrlEnabled = enable;
5842         }
5843     }
5844 }
5845
5846 bool wxGrid::IsCurrentCellReadOnly() const
5847 {
5848     // const_cast
5849     wxGridCellAttr* attr = ((wxGrid *)this)->GetCellAttr(m_currentCellCoords);
5850     bool readonly = attr->IsReadOnly();
5851     attr->DecRef();
5852
5853     return readonly;
5854 }
5855
5856 bool wxGrid::CanEnableCellControl() const
5857 {
5858     return m_editable && (m_currentCellCoords != wxGridNoCellCoords) &&
5859         !IsCurrentCellReadOnly();
5860 }
5861
5862 bool wxGrid::IsCellEditControlEnabled() const
5863 {
5864     // the cell edit control might be disable for all cells or just for the
5865     // current one if it's read only
5866     return m_cellEditCtrlEnabled ? !IsCurrentCellReadOnly() : false;
5867 }
5868
5869 bool wxGrid::IsCellEditControlShown() const
5870 {
5871     bool isShown = false;
5872
5873     if ( m_cellEditCtrlEnabled )
5874     {
5875         int row = m_currentCellCoords.GetRow();
5876         int col = m_currentCellCoords.GetCol();
5877         wxGridCellAttr* attr = GetCellAttr(row, col);
5878         wxGridCellEditor* editor = attr->GetEditor((wxGrid*) this, row, col);
5879         attr->DecRef();
5880
5881         if ( editor )
5882         {
5883             if ( editor->IsCreated() )
5884             {
5885                 isShown = editor->GetControl()->IsShown();
5886             }
5887
5888             editor->DecRef();
5889         }
5890     }
5891
5892     return isShown;
5893 }
5894
5895 void wxGrid::ShowCellEditControl()
5896 {
5897     if ( IsCellEditControlEnabled() )
5898     {
5899         if ( !IsVisible( m_currentCellCoords, false ) )
5900         {
5901             m_cellEditCtrlEnabled = false;
5902             return;
5903         }
5904         else
5905         {
5906             wxRect rect = CellToRect( m_currentCellCoords );
5907             int row = m_currentCellCoords.GetRow();
5908             int col = m_currentCellCoords.GetCol();
5909
5910             // if this is part of a multicell, find owner (topleft)
5911             int cell_rows, cell_cols;
5912             GetCellSize( row, col, &cell_rows, &cell_cols );
5913             if ( cell_rows <= 0 || cell_cols <= 0 )
5914             {
5915                 row += cell_rows;
5916                 col += cell_cols;
5917                 m_currentCellCoords.SetRow( row );
5918                 m_currentCellCoords.SetCol( col );
5919             }
5920
5921             // erase the highlight and the cell contents because the editor
5922             // might not cover the entire cell
5923             wxClientDC dc( m_gridWin );
5924             PrepareDC( dc );
5925             wxGridCellAttr* attr = GetCellAttr(row, col);
5926             dc.SetBrush(wxBrush(attr->GetBackgroundColour()));
5927             dc.SetPen(*wxTRANSPARENT_PEN);
5928             dc.DrawRectangle(rect);
5929
5930             // convert to scrolled coords
5931             CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
5932
5933             int nXMove = 0;
5934             if (rect.x < 0)
5935                 nXMove = rect.x;
5936
5937             // cell is shifted by one pixel
5938             // However, don't allow x or y to become negative
5939             // since the SetSize() method interprets that as
5940             // "don't change."
5941             if (rect.x > 0)
5942                 rect.x--;
5943             if (rect.y > 0)
5944                 rect.y--;
5945
5946             wxGridCellEditor* editor = attr->GetEditor(this, row, col);
5947             if ( !editor->IsCreated() )
5948             {
5949                 editor->Create(m_gridWin, wxID_ANY,
5950                                new wxGridCellEditorEvtHandler(this, editor));
5951
5952                 wxGridEditorCreatedEvent evt(GetId(),
5953                                              wxEVT_GRID_EDITOR_CREATED,
5954                                              this,
5955                                              row,
5956                                              col,
5957                                              editor->GetControl());
5958                 GetEventHandler()->ProcessEvent(evt);
5959             }
5960
5961             // resize editor to overflow into righthand cells if allowed
5962             int maxWidth = rect.width;
5963             wxString value = GetCellValue(row, col);
5964             if ( (value != wxEmptyString) && (attr->GetOverflow()) )
5965             {
5966                 int y;
5967                 GetTextExtent(value, &maxWidth, &y, NULL, NULL, &attr->GetFont());
5968                 if (maxWidth < rect.width)
5969                     maxWidth = rect.width;
5970             }
5971
5972             int client_right = m_gridWin->GetClientSize().GetWidth();
5973             if (rect.x + maxWidth > client_right)
5974                 maxWidth = client_right - rect.x;
5975
5976             if ((maxWidth > rect.width) && (col < m_numCols) && m_table)
5977             {
5978                 GetCellSize( row, col, &cell_rows, &cell_cols );
5979                 // may have changed earlier
5980                 for (int i = col + cell_cols; i < m_numCols; i++)
5981                 {
5982                     int c_rows, c_cols;
5983                     GetCellSize( row, i, &c_rows, &c_cols );
5984
5985                     // looks weird going over a multicell
5986                     if (m_table->IsEmptyCell( row, i ) &&
5987                             (rect.width < maxWidth) && (c_rows == 1))
5988                     {
5989                         rect.width += GetColWidth( i );
5990                     }
5991                     else
5992                         break;
5993                 }
5994
5995                 if (rect.GetRight() > client_right)
5996                     rect.SetRight( client_right - 1 );
5997             }
5998
5999             editor->SetCellAttr( attr );
6000             editor->SetSize( rect );
6001             if (nXMove != 0)
6002                 editor->GetControl()->Move(
6003                     editor->GetControl()->GetPosition().x + nXMove,
6004                     editor->GetControl()->GetPosition().y );
6005             editor->Show( true, attr );
6006
6007             // recalc dimensions in case we need to
6008             // expand the scrolled window to account for editor
6009             CalcDimensions();
6010
6011             editor->BeginEdit(row, col, this);
6012             editor->SetCellAttr(NULL);
6013
6014             editor->DecRef();
6015             attr->DecRef();
6016         }
6017     }
6018 }
6019
6020 void wxGrid::HideCellEditControl()
6021 {
6022     if ( IsCellEditControlEnabled() )
6023     {
6024         int row = m_currentCellCoords.GetRow();
6025         int col = m_currentCellCoords.GetCol();
6026
6027         wxGridCellAttr *attr = GetCellAttr(row, col);
6028         wxGridCellEditor *editor = attr->GetEditor(this, row, col);
6029         const bool editorHadFocus = editor->GetControl()->HasFocus();
6030         editor->Show( false );
6031         editor->DecRef();
6032         attr->DecRef();
6033
6034         // return the focus to the grid itself if the editor had it
6035         //
6036         // note that we must not do this unconditionally to avoid stealing
6037         // focus from the window which just received it if we are hiding the
6038         // editor precisely because we lost focus
6039         if ( editorHadFocus )
6040             m_gridWin->SetFocus();
6041
6042         // refresh whole row to the right
6043         wxRect rect( CellToRect(row, col) );
6044         CalcScrolledPosition(rect.x, rect.y, &rect.x, &rect.y );
6045         rect.width = m_gridWin->GetClientSize().GetWidth() - rect.x;
6046
6047 #ifdef __WXMAC__
6048         // ensure that the pixels under the focus ring get refreshed as well
6049         rect.Inflate(10, 10);
6050 #endif
6051
6052         m_gridWin->Refresh( false, &rect );
6053     }
6054 }
6055
6056 void wxGrid::SaveEditControlValue()
6057 {
6058     if ( IsCellEditControlEnabled() )
6059     {
6060         int row = m_currentCellCoords.GetRow();
6061         int col = m_currentCellCoords.GetCol();
6062
6063         wxString oldval = GetCellValue(row, col);
6064
6065         wxGridCellAttr* attr = GetCellAttr(row, col);
6066         wxGridCellEditor* editor = attr->GetEditor(this, row, col);
6067
6068         wxString newval;
6069         bool changed = editor->EndEdit(row, col, this, oldval, &newval);
6070
6071         if ( changed && SendEvent(wxEVT_GRID_CELL_CHANGING, newval) != -1 )
6072         {
6073             editor->ApplyEdit(row, col, this);
6074
6075             // for compatibility reasons dating back to wx 2.8 when this event
6076             // was called wxEVT_GRID_CELL_CHANGE and wxEVT_GRID_CELL_CHANGING
6077             // didn't exist we allow vetoing this one too
6078             if ( SendEvent(wxEVT_GRID_CELL_CHANGED, oldval) == -1 )
6079             {
6080                 // Event has been vetoed, set the data back.
6081                 SetCellValue(row, col, oldval);
6082             }
6083         }
6084
6085         editor->DecRef();
6086         attr->DecRef();
6087     }
6088 }
6089
6090 //
6091 // ------ Grid location functions
6092 //  Note that all of these functions work with the logical coordinates of
6093 //  grid cells and labels so you will need to convert from device
6094 //  coordinates for mouse events etc.
6095 //
6096
6097 wxGridCellCoords wxGrid::XYToCell(int x, int y) const
6098 {
6099     int row = YToRow(y);
6100     int col = XToCol(x);
6101
6102     return row == -1 || col == -1 ? wxGridNoCellCoords
6103                                   : wxGridCellCoords(row, col);
6104 }
6105
6106 // compute row or column from some (unscrolled) coordinate value, using either
6107 // m_defaultRowHeight/m_defaultColWidth or binary search on array of
6108 // m_rowBottoms/m_colRights to do it quickly (linear search shouldn't be used
6109 // for large grids)
6110 int wxGrid::PosToLinePos(int coord,
6111                          bool clipToMinMax,
6112                          const wxGridOperations& oper) const
6113 {
6114     const int numLines = oper.GetNumberOfLines(this);
6115
6116     if ( coord < 0 )
6117         return clipToMinMax && numLines > 0 ? 0 : wxNOT_FOUND;
6118
6119     const int defaultLineSize = oper.GetDefaultLineSize(this);
6120     wxCHECK_MSG( defaultLineSize, -1, "can't have 0 default line size" );
6121
6122     int maxPos = coord / defaultLineSize,
6123         minPos = 0;
6124
6125     // check for the simplest case: if we have no explicit line sizes
6126     // configured, then we already know the line this position falls in
6127     const wxArrayInt& lineEnds = oper.GetLineEnds(this);
6128     if ( lineEnds.empty() )
6129     {
6130         if ( maxPos < numLines )
6131             return maxPos;
6132
6133         return clipToMinMax ? numLines - 1 : -1;
6134     }
6135
6136
6137     // adjust maxPos before starting the binary search
6138     if ( maxPos >= numLines )
6139     {
6140         maxPos = numLines  - 1;
6141     }
6142     else
6143     {
6144         if ( coord >= lineEnds[oper.GetLineAt(this, maxPos)])
6145         {
6146             minPos = maxPos;
6147             const int minDist = oper.GetMinimalAcceptableLineSize(this);
6148             if ( minDist )
6149                 maxPos = coord / minDist;
6150             else
6151                 maxPos = numLines - 1;
6152         }
6153
6154         if ( maxPos >= numLines )
6155             maxPos = numLines  - 1;
6156     }
6157
6158     // check if the position is beyond the last column
6159     const int lineAtMaxPos = oper.GetLineAt(this, maxPos);
6160     if ( coord >= lineEnds[lineAtMaxPos] )
6161         return clipToMinMax ? maxPos : -1;
6162
6163     // or before the first one
6164     const int lineAt0 = oper.GetLineAt(this, 0);
6165     if ( coord < lineEnds[lineAt0] )
6166         return 0;
6167
6168
6169     // finally do perform the binary search
6170     while ( minPos < maxPos )
6171     {
6172         wxCHECK_MSG( lineEnds[oper.GetLineAt(this, minPos)] <= coord &&
6173                         coord < lineEnds[oper.GetLineAt(this, maxPos)],
6174                      -1,
6175                      "wxGrid: internal error in PosToLinePos()" );
6176
6177         if ( coord >= lineEnds[oper.GetLineAt(this, maxPos - 1)] )
6178             return maxPos;
6179         else
6180             maxPos--;
6181
6182         const int median = minPos + (maxPos - minPos + 1) / 2;
6183         if ( coord < lineEnds[oper.GetLineAt(this, median)] )
6184             maxPos = median;
6185         else
6186             minPos = median;
6187     }
6188
6189     return maxPos;
6190 }
6191
6192 int
6193 wxGrid::PosToLine(int coord,
6194                   bool clipToMinMax,
6195                   const wxGridOperations& oper) const
6196 {
6197     int pos = PosToLinePos(coord, clipToMinMax, oper);
6198
6199     return pos == wxNOT_FOUND ? wxNOT_FOUND : oper.GetLineAt(this, pos);
6200 }
6201
6202 int wxGrid::YToRow(int y, bool clipToMinMax) const
6203 {
6204     return PosToLine(y, clipToMinMax, wxGridRowOperations());
6205 }
6206
6207 int wxGrid::XToCol(int x, bool clipToMinMax) const
6208 {
6209     return PosToLine(x, clipToMinMax, wxGridColumnOperations());
6210 }
6211
6212 int wxGrid::XToPos(int x) const
6213 {
6214     return PosToLinePos(x, true /* clip */, wxGridColumnOperations());
6215 }
6216
6217 // return the row number such that the y coord is near the edge of, or -1 if
6218 // not near an edge.
6219 //
6220 // notice that position can only possibly be near an edge if the row/column is
6221 // large enough to still allow for an "inner" area that is _not_ near the edge
6222 // (i.e., if the height/width is smaller than WXGRID_LABEL_EDGE_ZONE, pos will
6223 // _never_ be considered to be near the edge).
6224 int wxGrid::PosToEdgeOfLine(int pos, const wxGridOperations& oper) const
6225 {
6226     const int line = oper.PosToLine(this, pos, true);
6227
6228     if ( oper.GetLineSize(this, line) > WXGRID_LABEL_EDGE_ZONE )
6229     {
6230         // We know that we are in this line, test whether we are close enough
6231         // to start or end border, respectively.
6232         if ( abs(oper.GetLineEndPos(this, line) - pos) < WXGRID_LABEL_EDGE_ZONE )
6233             return line;
6234         else if ( line > 0 &&
6235                     pos - oper.GetLineStartPos(this,
6236                                                line) < WXGRID_LABEL_EDGE_ZONE )
6237             return line - 1;
6238     }
6239
6240     return -1;
6241 }
6242
6243 int wxGrid::YToEdgeOfRow(int y) const
6244 {
6245     return PosToEdgeOfLine(y, wxGridRowOperations());
6246 }
6247
6248 int wxGrid::XToEdgeOfCol(int x) const
6249 {
6250     return PosToEdgeOfLine(x, wxGridColumnOperations());
6251 }
6252
6253 wxRect wxGrid::CellToRect( int row, int col ) const
6254 {
6255     wxRect rect( -1, -1, -1, -1 );
6256
6257     if ( row >= 0 && row < m_numRows &&
6258          col >= 0 && col < m_numCols )
6259     {
6260         int i, cell_rows, cell_cols;
6261         rect.width = rect.height = 0;
6262         GetCellSize( row, col, &cell_rows, &cell_cols );
6263         // if negative then find multicell owner
6264         if (cell_rows < 0)
6265             row += cell_rows;
6266         if (cell_cols < 0)
6267              col += cell_cols;
6268         GetCellSize( row, col, &cell_rows, &cell_cols );
6269
6270         rect.x = GetColLeft(col);
6271         rect.y = GetRowTop(row);
6272         for (i=col; i < col + cell_cols; i++)
6273             rect.width += GetColWidth(i);
6274         for (i=row; i < row + cell_rows; i++)
6275             rect.height += GetRowHeight(i);
6276
6277         // if grid lines are enabled, then the area of the cell is a bit smaller
6278         if (m_gridLinesEnabled)
6279         {
6280             rect.width -= 1;
6281             rect.height -= 1;
6282         }
6283     }
6284
6285     return rect;
6286 }
6287
6288 bool wxGrid::IsVisible( int row, int col, bool wholeCellVisible ) const
6289 {
6290     // get the cell rectangle in logical coords
6291     //
6292     wxRect r( CellToRect( row, col ) );
6293
6294     // convert to device coords
6295     //
6296     int left, top, right, bottom;
6297     CalcScrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
6298     CalcScrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
6299
6300     // check against the client area of the grid window
6301     int cw, ch;
6302     m_gridWin->GetClientSize( &cw, &ch );
6303
6304     if ( wholeCellVisible )
6305     {
6306         // is the cell wholly visible ?
6307         return ( left >= 0 && right <= cw &&
6308                  top >= 0 && bottom <= ch );
6309     }
6310     else
6311     {
6312         // is the cell partly visible ?
6313         //
6314         return ( ((left >= 0 && left < cw) || (right > 0 && right <= cw)) &&
6315                  ((top >= 0 && top < ch) || (bottom > 0 && bottom <= ch)) );
6316     }
6317 }
6318
6319 // make the specified cell location visible by doing a minimal amount
6320 // of scrolling
6321 //
6322 void wxGrid::MakeCellVisible( int row, int col )
6323 {
6324     int i;
6325     int xpos = -1, ypos = -1;
6326
6327     if ( row >= 0 && row < m_numRows &&
6328          col >= 0 && col < m_numCols )
6329     {
6330         // get the cell rectangle in logical coords
6331         wxRect r( CellToRect( row, col ) );
6332
6333         // convert to device coords
6334         int left, top, right, bottom;
6335         CalcScrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
6336         CalcScrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
6337
6338         int cw, ch;
6339         m_gridWin->GetClientSize( &cw, &ch );
6340
6341         if ( top < 0 )
6342         {
6343             ypos = r.GetTop();
6344         }
6345         else if ( bottom > ch )
6346         {
6347             int h = r.GetHeight();
6348             ypos = r.GetTop();
6349             for ( i = row - 1; i >= 0; i-- )
6350             {
6351                 int rowHeight = GetRowHeight(i);
6352                 if ( h + rowHeight > ch )
6353                     break;
6354
6355                 h += rowHeight;
6356                 ypos -= rowHeight;
6357             }
6358
6359             // we divide it later by GRID_SCROLL_LINE, make sure that we don't
6360             // have rounding errors (this is important, because if we do,
6361             // we might not scroll at all and some cells won't be redrawn)
6362             //
6363             // Sometimes GRID_SCROLL_LINE / 2 is not enough,
6364             // so just add a full scroll unit...
6365             ypos += m_scrollLineY;
6366         }
6367
6368         // special handling for wide cells - show always left part of the cell!
6369         // Otherwise, e.g. when stepping from row to row, it would jump between
6370         // left and right part of the cell on every step!
6371 //      if ( left < 0 )
6372         if ( left < 0 || (right - left) >= cw )
6373         {
6374             xpos = r.GetLeft();
6375         }
6376         else if ( right > cw )
6377         {
6378             // position the view so that the cell is on the right
6379             int x0, y0;
6380             CalcUnscrolledPosition(0, 0, &x0, &y0);
6381             xpos = x0 + (right - cw);
6382
6383             // see comment for ypos above
6384             xpos += m_scrollLineX;
6385         }
6386
6387         if ( xpos != -1 || ypos != -1 )
6388         {
6389             if ( xpos != -1 )
6390                 xpos /= m_scrollLineX;
6391             if ( ypos != -1 )
6392                 ypos /= m_scrollLineY;
6393             Scroll( xpos, ypos );
6394             AdjustScrollbars();
6395         }
6396     }
6397 }
6398
6399 //
6400 // ------ Grid cursor movement functions
6401 //
6402
6403 bool
6404 wxGrid::DoMoveCursor(bool expandSelection,
6405                      const wxGridDirectionOperations& diroper)
6406 {
6407     if ( m_currentCellCoords == wxGridNoCellCoords )
6408         return false;
6409
6410     if ( expandSelection )
6411     {
6412         wxGridCellCoords coords = m_selectedBlockCorner;
6413         if ( coords == wxGridNoCellCoords )
6414             coords = m_currentCellCoords;
6415
6416         if ( diroper.IsAtBoundary(coords) )
6417             return false;
6418
6419         diroper.Advance(coords);
6420
6421         UpdateBlockBeingSelected(m_currentCellCoords, coords);
6422     }
6423     else // don't expand selection
6424     {
6425         ClearSelection();
6426
6427         if ( diroper.IsAtBoundary(m_currentCellCoords) )
6428             return false;
6429
6430         wxGridCellCoords coords = m_currentCellCoords;
6431         diroper.Advance(coords);
6432
6433         GoToCell(coords);
6434     }
6435
6436     return true;
6437 }
6438
6439 bool wxGrid::MoveCursorUp(bool expandSelection)
6440 {
6441     return DoMoveCursor(expandSelection,
6442                         wxGridBackwardOperations(this, wxGridRowOperations()));
6443 }
6444
6445 bool wxGrid::MoveCursorDown(bool expandSelection)
6446 {
6447     return DoMoveCursor(expandSelection,
6448                         wxGridForwardOperations(this, wxGridRowOperations()));
6449 }
6450
6451 bool wxGrid::MoveCursorLeft(bool expandSelection)
6452 {
6453     return DoMoveCursor(expandSelection,
6454                         wxGridBackwardOperations(this, wxGridColumnOperations()));
6455 }
6456
6457 bool wxGrid::MoveCursorRight(bool expandSelection)
6458 {
6459     return DoMoveCursor(expandSelection,
6460                         wxGridForwardOperations(this, wxGridColumnOperations()));
6461 }
6462
6463 bool wxGrid::DoMoveCursorByPage(const wxGridDirectionOperations& diroper)
6464 {
6465     if ( m_currentCellCoords == wxGridNoCellCoords )
6466         return false;
6467
6468     if ( diroper.IsAtBoundary(m_currentCellCoords) )
6469         return false;
6470
6471     const int oldRow = m_currentCellCoords.GetRow();
6472     int newRow = diroper.MoveByPixelDistance(oldRow, m_gridWin->GetClientSize().y);
6473     if ( newRow == oldRow )
6474     {
6475         wxGridCellCoords coords(m_currentCellCoords);
6476         diroper.Advance(coords);
6477         newRow = coords.GetRow();
6478     }
6479
6480     GoToCell(newRow, m_currentCellCoords.GetCol());
6481
6482     return true;
6483 }
6484
6485 bool wxGrid::MovePageUp()
6486 {
6487     return DoMoveCursorByPage(
6488                 wxGridBackwardOperations(this, wxGridRowOperations()));
6489 }
6490
6491 bool wxGrid::MovePageDown()
6492 {
6493     return DoMoveCursorByPage(
6494                 wxGridForwardOperations(this, wxGridRowOperations()));
6495 }
6496
6497 // helper of DoMoveCursorByBlock(): advance the cell coordinates using diroper
6498 // until we find a non-empty cell or reach the grid end
6499 void
6500 wxGrid::AdvanceToNextNonEmpty(wxGridCellCoords& coords,
6501                               const wxGridDirectionOperations& diroper)
6502 {
6503     while ( !diroper.IsAtBoundary(coords) )
6504     {
6505         diroper.Advance(coords);
6506         if ( !m_table->IsEmpty(coords) )
6507             break;
6508     }
6509 }
6510
6511 bool
6512 wxGrid::DoMoveCursorByBlock(bool expandSelection,
6513                             const wxGridDirectionOperations& diroper)
6514 {
6515     if ( !m_table || m_currentCellCoords == wxGridNoCellCoords )
6516         return false;
6517
6518     if ( diroper.IsAtBoundary(m_currentCellCoords) )
6519         return false;
6520
6521     wxGridCellCoords coords(m_currentCellCoords);
6522     if ( m_table->IsEmpty(coords) )
6523     {
6524         // we are in an empty cell: find the next block of non-empty cells
6525         AdvanceToNextNonEmpty(coords, diroper);
6526     }
6527     else // current cell is not empty
6528     {
6529         diroper.Advance(coords);
6530         if ( m_table->IsEmpty(coords) )
6531         {
6532             // we started at the end of a block, find the next one
6533             AdvanceToNextNonEmpty(coords, diroper);
6534         }
6535         else // we're in a middle of a block
6536         {
6537             // go to the end of it, i.e. find the last cell before the next
6538             // empty one
6539             while ( !diroper.IsAtBoundary(coords) )
6540             {
6541                 wxGridCellCoords coordsNext(coords);
6542                 diroper.Advance(coordsNext);
6543                 if ( m_table->IsEmpty(coordsNext) )
6544                     break;
6545
6546                 coords = coordsNext;
6547             }
6548         }
6549     }
6550
6551     if ( expandSelection )
6552     {
6553         UpdateBlockBeingSelected(m_currentCellCoords, coords);
6554     }
6555     else
6556     {
6557         ClearSelection();
6558         GoToCell(coords);
6559     }
6560
6561     return true;
6562 }
6563
6564 bool wxGrid::MoveCursorUpBlock(bool expandSelection)
6565 {
6566     return DoMoveCursorByBlock(
6567                 expandSelection,
6568                 wxGridBackwardOperations(this, wxGridRowOperations())
6569            );
6570 }
6571
6572 bool wxGrid::MoveCursorDownBlock( bool expandSelection )
6573 {
6574     return DoMoveCursorByBlock(
6575                 expandSelection,
6576                 wxGridForwardOperations(this, wxGridRowOperations())
6577            );
6578 }
6579
6580 bool wxGrid::MoveCursorLeftBlock( bool expandSelection )
6581 {
6582     return DoMoveCursorByBlock(
6583                 expandSelection,
6584                 wxGridBackwardOperations(this, wxGridColumnOperations())
6585            );
6586 }
6587
6588 bool wxGrid::MoveCursorRightBlock( bool expandSelection )
6589 {
6590     return DoMoveCursorByBlock(
6591                 expandSelection,
6592                 wxGridForwardOperations(this, wxGridColumnOperations())
6593            );
6594 }
6595
6596 //
6597 // ------ Label values and formatting
6598 //
6599
6600 void wxGrid::GetRowLabelAlignment( int *horiz, int *vert ) const
6601 {
6602     if ( horiz )
6603         *horiz = m_rowLabelHorizAlign;
6604     if ( vert )
6605         *vert  = m_rowLabelVertAlign;
6606 }
6607
6608 void wxGrid::GetColLabelAlignment( int *horiz, int *vert ) const
6609 {
6610     if ( horiz )
6611         *horiz = m_colLabelHorizAlign;
6612     if ( vert )
6613         *vert  = m_colLabelVertAlign;
6614 }
6615
6616 int wxGrid::GetColLabelTextOrientation() const
6617 {
6618     return m_colLabelTextOrientation;
6619 }
6620
6621 wxString wxGrid::GetRowLabelValue( int row ) const
6622 {
6623     if ( m_table )
6624     {
6625         return m_table->GetRowLabelValue( row );
6626     }
6627     else
6628     {
6629         wxString s;
6630         s << row;
6631         return s;
6632     }
6633 }
6634
6635 wxString wxGrid::GetColLabelValue( int col ) const
6636 {
6637     if ( m_table )
6638     {
6639         return m_table->GetColLabelValue( col );
6640     }
6641     else
6642     {
6643         wxString s;
6644         s << col;
6645         return s;
6646     }
6647 }
6648
6649 void wxGrid::SetRowLabelSize( int width )
6650 {
6651     wxASSERT( width >= 0 || width == wxGRID_AUTOSIZE );
6652
6653     if ( width == wxGRID_AUTOSIZE )
6654     {
6655         width = CalcColOrRowLabelAreaMinSize(wxGRID_ROW);
6656     }
6657
6658     if ( width != m_rowLabelWidth )
6659     {
6660         if ( width == 0 )
6661         {
6662             m_rowLabelWin->Show( false );
6663             m_cornerLabelWin->Show( false );
6664         }
6665         else if ( m_rowLabelWidth == 0 )
6666         {
6667             m_rowLabelWin->Show( true );
6668             if ( m_colLabelHeight > 0 )
6669                 m_cornerLabelWin->Show( true );
6670         }
6671
6672         m_rowLabelWidth = width;
6673         CalcWindowSizes();
6674         wxScrolledWindow::Refresh( true );
6675     }
6676 }
6677
6678 void wxGrid::SetColLabelSize( int height )
6679 {
6680     wxASSERT( height >=0 || height == wxGRID_AUTOSIZE );
6681
6682     if ( height == wxGRID_AUTOSIZE )
6683     {
6684         height = CalcColOrRowLabelAreaMinSize(wxGRID_COLUMN);
6685     }
6686
6687     if ( height != m_colLabelHeight )
6688     {
6689         if ( height == 0 )
6690         {
6691             m_colWindow->Show( false );
6692             m_cornerLabelWin->Show( false );
6693         }
6694         else if ( m_colLabelHeight == 0 )
6695         {
6696             m_colWindow->Show( true );
6697             if ( m_rowLabelWidth > 0 )
6698                 m_cornerLabelWin->Show( true );
6699         }
6700
6701         m_colLabelHeight = height;
6702         CalcWindowSizes();
6703         wxScrolledWindow::Refresh( true );
6704     }
6705 }
6706
6707 void wxGrid::SetLabelBackgroundColour( const wxColour& colour )
6708 {
6709     if ( m_labelBackgroundColour != colour )
6710     {
6711         m_labelBackgroundColour = colour;
6712         m_rowLabelWin->SetBackgroundColour( colour );
6713         m_colWindow->SetBackgroundColour( colour );
6714         m_cornerLabelWin->SetBackgroundColour( colour );
6715
6716         if ( !GetBatchCount() )
6717         {
6718             m_rowLabelWin->Refresh();
6719             m_colWindow->Refresh();
6720             m_cornerLabelWin->Refresh();
6721         }
6722     }
6723 }
6724
6725 void wxGrid::SetLabelTextColour( const wxColour& colour )
6726 {
6727     if ( m_labelTextColour != colour )
6728     {
6729         m_labelTextColour = colour;
6730         if ( !GetBatchCount() )
6731         {
6732             m_rowLabelWin->Refresh();
6733             m_colWindow->Refresh();
6734         }
6735     }
6736 }
6737
6738 void wxGrid::SetLabelFont( const wxFont& font )
6739 {
6740     m_labelFont = font;
6741     if ( !GetBatchCount() )
6742     {
6743         m_rowLabelWin->Refresh();
6744         m_colWindow->Refresh();
6745     }
6746 }
6747
6748 void wxGrid::SetRowLabelAlignment( int horiz, int vert )
6749 {
6750     // allow old (incorrect) defs to be used
6751     switch ( horiz )
6752     {
6753         case wxLEFT:   horiz = wxALIGN_LEFT; break;
6754         case wxRIGHT:  horiz = wxALIGN_RIGHT; break;
6755         case wxCENTRE: horiz = wxALIGN_CENTRE; break;
6756     }
6757
6758     switch ( vert )
6759     {
6760         case wxTOP:    vert = wxALIGN_TOP;    break;
6761         case wxBOTTOM: vert = wxALIGN_BOTTOM; break;
6762         case wxCENTRE: vert = wxALIGN_CENTRE; break;
6763     }
6764
6765     if ( horiz == wxALIGN_LEFT || horiz == wxALIGN_CENTRE || horiz == wxALIGN_RIGHT )
6766     {
6767         m_rowLabelHorizAlign = horiz;
6768     }
6769
6770     if ( vert == wxALIGN_TOP || vert == wxALIGN_CENTRE || vert == wxALIGN_BOTTOM )
6771     {
6772         m_rowLabelVertAlign = vert;
6773     }
6774
6775     if ( !GetBatchCount() )
6776     {
6777         m_rowLabelWin->Refresh();
6778     }
6779 }
6780
6781 void wxGrid::SetColLabelAlignment( int horiz, int vert )
6782 {
6783     // allow old (incorrect) defs to be used
6784     switch ( horiz )
6785     {
6786         case wxLEFT:   horiz = wxALIGN_LEFT; break;
6787         case wxRIGHT:  horiz = wxALIGN_RIGHT; break;
6788         case wxCENTRE: horiz = wxALIGN_CENTRE; break;
6789     }
6790
6791     switch ( vert )
6792     {
6793         case wxTOP:    vert = wxALIGN_TOP;    break;
6794         case wxBOTTOM: vert = wxALIGN_BOTTOM; break;
6795         case wxCENTRE: vert = wxALIGN_CENTRE; break;
6796     }
6797
6798     if ( horiz == wxALIGN_LEFT || horiz == wxALIGN_CENTRE || horiz == wxALIGN_RIGHT )
6799     {
6800         m_colLabelHorizAlign = horiz;
6801     }
6802
6803     if ( vert == wxALIGN_TOP || vert == wxALIGN_CENTRE || vert == wxALIGN_BOTTOM )
6804     {
6805         m_colLabelVertAlign = vert;
6806     }
6807
6808     if ( !GetBatchCount() )
6809     {
6810         m_colWindow->Refresh();
6811     }
6812 }
6813
6814 // Note: under MSW, the default column label font must be changed because it
6815 //       does not support vertical printing
6816 //
6817 // Example: wxFont font(9, wxSWISS, wxNORMAL, wxBOLD);
6818 //                      pGrid->SetLabelFont(font);
6819 //                      pGrid->SetColLabelTextOrientation(wxVERTICAL);
6820 //
6821 void wxGrid::SetColLabelTextOrientation( int textOrientation )
6822 {
6823     if ( textOrientation == wxHORIZONTAL || textOrientation == wxVERTICAL )
6824         m_colLabelTextOrientation = textOrientation;
6825
6826     if ( !GetBatchCount() )
6827         m_colWindow->Refresh();
6828 }
6829
6830 void wxGrid::SetRowLabelValue( int row, const wxString& s )
6831 {
6832     if ( m_table )
6833     {
6834         m_table->SetRowLabelValue( row, s );
6835         if ( !GetBatchCount() )
6836         {
6837             wxRect rect = CellToRect( row, 0 );
6838             if ( rect.height > 0 )
6839             {
6840                 CalcScrolledPosition(0, rect.y, &rect.x, &rect.y);
6841                 rect.x = 0;
6842                 rect.width = m_rowLabelWidth;
6843                 m_rowLabelWin->Refresh( true, &rect );
6844             }
6845         }
6846     }
6847 }
6848
6849 void wxGrid::SetColLabelValue( int col, const wxString& s )
6850 {
6851     if ( m_table )
6852     {
6853         m_table->SetColLabelValue( col, s );
6854         if ( !GetBatchCount() )
6855         {
6856             if ( m_useNativeHeader )
6857             {
6858                 GetGridColHeader()->UpdateColumn(col);
6859             }
6860             else
6861             {
6862                 wxRect rect = CellToRect( 0, col );
6863                 if ( rect.width > 0 )
6864                 {
6865                     CalcScrolledPosition(rect.x, 0, &rect.x, &rect.y);
6866                     rect.y = 0;
6867                     rect.height = m_colLabelHeight;
6868                     GetColLabelWindow()->Refresh( true, &rect );
6869                 }
6870             }
6871         }
6872     }
6873 }
6874
6875 void wxGrid::SetGridLineColour( const wxColour& colour )
6876 {
6877     if ( m_gridLineColour != colour )
6878     {
6879         m_gridLineColour = colour;
6880
6881         if ( GridLinesEnabled() )
6882             RedrawGridLines();
6883     }
6884 }
6885
6886 void wxGrid::SetCellHighlightColour( const wxColour& colour )
6887 {
6888     if ( m_cellHighlightColour != colour )
6889     {
6890         m_cellHighlightColour = colour;
6891
6892         wxClientDC dc( m_gridWin );
6893         PrepareDC( dc );
6894         wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords);
6895         DrawCellHighlight(dc, attr);
6896         attr->DecRef();
6897     }
6898 }
6899
6900 void wxGrid::SetCellHighlightPenWidth(int width)
6901 {
6902     if (m_cellHighlightPenWidth != width)
6903     {
6904         m_cellHighlightPenWidth = width;
6905
6906         // Just redrawing the cell highlight is not enough since that won't
6907         // make any visible change if the the thickness is getting smaller.
6908         int row = m_currentCellCoords.GetRow();
6909         int col = m_currentCellCoords.GetCol();
6910         if ( row == -1 || col == -1 || GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
6911             return;
6912
6913         wxRect rect = CellToRect(row, col);
6914         m_gridWin->Refresh(true, &rect);
6915     }
6916 }
6917
6918 void wxGrid::SetCellHighlightROPenWidth(int width)
6919 {
6920     if (m_cellHighlightROPenWidth != width)
6921     {
6922         m_cellHighlightROPenWidth = width;
6923
6924         // Just redrawing the cell highlight is not enough since that won't
6925         // make any visible change if the the thickness is getting smaller.
6926         int row = m_currentCellCoords.GetRow();
6927         int col = m_currentCellCoords.GetCol();
6928         if ( row == -1 || col == -1 ||
6929                 GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
6930             return;
6931
6932         wxRect rect = CellToRect(row, col);
6933         m_gridWin->Refresh(true, &rect);
6934     }
6935 }
6936
6937 void wxGrid::RedrawGridLines()
6938 {
6939     // the lines will be redrawn when the window is thawn
6940     if ( GetBatchCount() )
6941         return;
6942
6943     if ( GridLinesEnabled() )
6944     {
6945         wxClientDC dc( m_gridWin );
6946         PrepareDC( dc );
6947         DrawAllGridLines( dc, wxRegion() );
6948     }
6949     else // remove the grid lines
6950     {
6951         m_gridWin->Refresh();
6952     }
6953 }
6954
6955 void wxGrid::EnableGridLines( bool enable )
6956 {
6957     if ( enable != m_gridLinesEnabled )
6958     {
6959         m_gridLinesEnabled = enable;
6960
6961         RedrawGridLines();
6962     }
6963 }
6964
6965 void wxGrid::DoClipGridLines(bool& var, bool clip)
6966 {
6967     if ( clip != var )
6968     {
6969         var = clip;
6970
6971         if ( GridLinesEnabled() )
6972             RedrawGridLines();
6973     }
6974 }
6975
6976 int wxGrid::GetDefaultRowSize() const
6977 {
6978     return m_defaultRowHeight;
6979 }
6980
6981 int wxGrid::GetRowSize( int row ) const
6982 {
6983     wxCHECK_MSG( row >= 0 && row < m_numRows, 0, wxT("invalid row index") );
6984
6985     return GetRowHeight(row);
6986 }
6987
6988 int wxGrid::GetDefaultColSize() const
6989 {
6990     return m_defaultColWidth;
6991 }
6992
6993 int wxGrid::GetColSize( int col ) const
6994 {
6995     wxCHECK_MSG( col >= 0 && col < m_numCols, 0, wxT("invalid column index") );
6996
6997     return GetColWidth(col);
6998 }
6999
7000 // ============================================================================
7001 // access to the grid attributes: each of them has a default value in the grid
7002 // itself and may be overidden on a per-cell basis
7003 // ============================================================================
7004
7005 // ----------------------------------------------------------------------------
7006 // setting default attributes
7007 // ----------------------------------------------------------------------------
7008
7009 void wxGrid::SetDefaultCellBackgroundColour( const wxColour& col )
7010 {
7011     m_defaultCellAttr->SetBackgroundColour(col);
7012 #ifdef __WXGTK__
7013     m_gridWin->SetBackgroundColour(col);
7014 #endif
7015 }
7016
7017 void wxGrid::SetDefaultCellTextColour( const wxColour& col )
7018 {
7019     m_defaultCellAttr->SetTextColour(col);
7020 }
7021
7022 void wxGrid::SetDefaultCellAlignment( int horiz, int vert )
7023 {
7024     m_defaultCellAttr->SetAlignment(horiz, vert);
7025 }
7026
7027 void wxGrid::SetDefaultCellOverflow( bool allow )
7028 {
7029     m_defaultCellAttr->SetOverflow(allow);
7030 }
7031
7032 void wxGrid::SetDefaultCellFont( const wxFont& font )
7033 {
7034     m_defaultCellAttr->SetFont(font);
7035 }
7036
7037 // For editors and renderers the type registry takes precedence over the
7038 // default attr, so we need to register the new editor/renderer for the string
7039 // data type in order to make setting a default editor/renderer appear to
7040 // work correctly.
7041
7042 void wxGrid::SetDefaultRenderer(wxGridCellRenderer *renderer)
7043 {
7044     RegisterDataType(wxGRID_VALUE_STRING,
7045                      renderer,
7046                      GetDefaultEditorForType(wxGRID_VALUE_STRING));
7047 }
7048
7049 void wxGrid::SetDefaultEditor(wxGridCellEditor *editor)
7050 {
7051     RegisterDataType(wxGRID_VALUE_STRING,
7052                      GetDefaultRendererForType(wxGRID_VALUE_STRING),
7053                      editor);
7054 }
7055
7056 // ----------------------------------------------------------------------------
7057 // access to the default attributes
7058 // ----------------------------------------------------------------------------
7059
7060 wxColour wxGrid::GetDefaultCellBackgroundColour() const
7061 {
7062     return m_defaultCellAttr->GetBackgroundColour();
7063 }
7064
7065 wxColour wxGrid::GetDefaultCellTextColour() const
7066 {
7067     return m_defaultCellAttr->GetTextColour();
7068 }
7069
7070 wxFont wxGrid::GetDefaultCellFont() const
7071 {
7072     return m_defaultCellAttr->GetFont();
7073 }
7074
7075 void wxGrid::GetDefaultCellAlignment( int *horiz, int *vert ) const
7076 {
7077     m_defaultCellAttr->GetAlignment(horiz, vert);
7078 }
7079
7080 bool wxGrid::GetDefaultCellOverflow() const
7081 {
7082     return m_defaultCellAttr->GetOverflow();
7083 }
7084
7085 wxGridCellRenderer *wxGrid::GetDefaultRenderer() const
7086 {
7087     return m_defaultCellAttr->GetRenderer(NULL, 0, 0);
7088 }
7089
7090 wxGridCellEditor *wxGrid::GetDefaultEditor() const
7091 {
7092     return m_defaultCellAttr->GetEditor(NULL, 0, 0);
7093 }
7094
7095 // ----------------------------------------------------------------------------
7096 // access to cell attributes
7097 // ----------------------------------------------------------------------------
7098
7099 wxColour wxGrid::GetCellBackgroundColour(int row, int col) const
7100 {
7101     wxGridCellAttr *attr = GetCellAttr(row, col);
7102     wxColour colour = attr->GetBackgroundColour();
7103     attr->DecRef();
7104
7105     return colour;
7106 }
7107
7108 wxColour wxGrid::GetCellTextColour( int row, int col ) const
7109 {
7110     wxGridCellAttr *attr = GetCellAttr(row, col);
7111     wxColour colour = attr->GetTextColour();
7112     attr->DecRef();
7113
7114     return colour;
7115 }
7116
7117 wxFont wxGrid::GetCellFont( int row, int col ) const
7118 {
7119     wxGridCellAttr *attr = GetCellAttr(row, col);
7120     wxFont font = attr->GetFont();
7121     attr->DecRef();
7122
7123     return font;
7124 }
7125
7126 void wxGrid::GetCellAlignment( int row, int col, int *horiz, int *vert ) const
7127 {
7128     wxGridCellAttr *attr = GetCellAttr(row, col);
7129     attr->GetAlignment(horiz, vert);
7130     attr->DecRef();
7131 }
7132
7133 bool wxGrid::GetCellOverflow( int row, int col ) const
7134 {
7135     wxGridCellAttr *attr = GetCellAttr(row, col);
7136     bool allow = attr->GetOverflow();
7137     attr->DecRef();
7138
7139     return allow;
7140 }
7141
7142 wxGrid::CellSpan
7143 wxGrid::GetCellSize( int row, int col, int *num_rows, int *num_cols ) const
7144 {
7145     wxGridCellAttr *attr = GetCellAttr(row, col);
7146     attr->GetSize( num_rows, num_cols );
7147     attr->DecRef();
7148
7149     if ( *num_rows == 1 && *num_cols == 1 )
7150         return CellSpan_None; // just a normal cell
7151
7152     if ( *num_rows < 0 || *num_cols < 0 )
7153         return CellSpan_Inside; // covered by a multi-span cell
7154
7155     // this cell spans multiple cells to its right/bottom
7156     return CellSpan_Main;
7157 }
7158
7159 wxGridCellRenderer* wxGrid::GetCellRenderer(int row, int col) const
7160 {
7161     wxGridCellAttr* attr = GetCellAttr(row, col);
7162     wxGridCellRenderer* renderer = attr->GetRenderer(this, row, col);
7163     attr->DecRef();
7164
7165     return renderer;
7166 }
7167
7168 wxGridCellEditor* wxGrid::GetCellEditor(int row, int col) const
7169 {
7170     wxGridCellAttr* attr = GetCellAttr(row, col);
7171     wxGridCellEditor* editor = attr->GetEditor(this, row, col);
7172     attr->DecRef();
7173
7174     return editor;
7175 }
7176
7177 bool wxGrid::IsReadOnly(int row, int col) const
7178 {
7179     wxGridCellAttr* attr = GetCellAttr(row, col);
7180     bool isReadOnly = attr->IsReadOnly();
7181     attr->DecRef();
7182
7183     return isReadOnly;
7184 }
7185
7186 // ----------------------------------------------------------------------------
7187 // attribute support: cache, automatic provider creation, ...
7188 // ----------------------------------------------------------------------------
7189
7190 bool wxGrid::CanHaveAttributes() const
7191 {
7192     if ( !m_table )
7193     {
7194         return false;
7195     }
7196
7197     return m_table->CanHaveAttributes();
7198 }
7199
7200 void wxGrid::ClearAttrCache()
7201 {
7202     if ( m_attrCache.row != -1 )
7203     {
7204         wxGridCellAttr *oldAttr = m_attrCache.attr;
7205         m_attrCache.attr = NULL;
7206         m_attrCache.row = -1;
7207         // wxSafeDecRec(...) might cause event processing that accesses
7208         // the cached attribute, if one exists (e.g. by deleting the
7209         // editor stored within the attribute). Therefore it is important
7210         // to invalidate the cache  before calling wxSafeDecRef!
7211         wxSafeDecRef(oldAttr);
7212     }
7213 }
7214
7215 void wxGrid::CacheAttr(int row, int col, wxGridCellAttr *attr) const
7216 {
7217     if ( attr != NULL )
7218     {
7219         wxGrid *self = (wxGrid *)this;  // const_cast
7220
7221         self->ClearAttrCache();
7222         self->m_attrCache.row = row;
7223         self->m_attrCache.col = col;
7224         self->m_attrCache.attr = attr;
7225         wxSafeIncRef(attr);
7226     }
7227 }
7228
7229 bool wxGrid::LookupAttr(int row, int col, wxGridCellAttr **attr) const
7230 {
7231     if ( row == m_attrCache.row && col == m_attrCache.col )
7232     {
7233         *attr = m_attrCache.attr;
7234         wxSafeIncRef(m_attrCache.attr);
7235
7236 #ifdef DEBUG_ATTR_CACHE
7237         gs_nAttrCacheHits++;
7238 #endif
7239
7240         return true;
7241     }
7242     else
7243     {
7244 #ifdef DEBUG_ATTR_CACHE
7245         gs_nAttrCacheMisses++;
7246 #endif
7247
7248         return false;
7249     }
7250 }
7251
7252 wxGridCellAttr *wxGrid::GetCellAttr(int row, int col) const
7253 {
7254     wxGridCellAttr *attr = NULL;
7255     // Additional test to avoid looking at the cache e.g. for
7256     // wxNoCellCoords, as this will confuse memory management.
7257     if ( row >= 0 )
7258     {
7259         if ( !LookupAttr(row, col, &attr) )
7260         {
7261             attr = m_table ? m_table->GetAttr(row, col, wxGridCellAttr::Any)
7262                            : NULL;
7263             CacheAttr(row, col, attr);
7264         }
7265     }
7266
7267     if (attr)
7268     {
7269         attr->SetDefAttr(m_defaultCellAttr);
7270     }
7271     else
7272     {
7273         attr = m_defaultCellAttr;
7274         attr->IncRef();
7275     }
7276
7277     return attr;
7278 }
7279
7280 wxGridCellAttr *wxGrid::GetOrCreateCellAttr(int row, int col) const
7281 {
7282     wxGridCellAttr *attr = NULL;
7283     bool canHave = ((wxGrid*)this)->CanHaveAttributes();
7284
7285     wxCHECK_MSG( canHave, attr, wxT("Cell attributes not allowed"));
7286     wxCHECK_MSG( m_table, attr, wxT("must have a table") );
7287
7288     attr = m_table->GetAttr(row, col, wxGridCellAttr::Cell);
7289     if ( !attr )
7290     {
7291         attr = new wxGridCellAttr(m_defaultCellAttr);
7292
7293         // artificially inc the ref count to match DecRef() in caller
7294         attr->IncRef();
7295         m_table->SetAttr(attr, row, col);
7296     }
7297
7298     return attr;
7299 }
7300
7301 // ----------------------------------------------------------------------------
7302 // setting column attributes (wrappers around SetColAttr)
7303 // ----------------------------------------------------------------------------
7304
7305 void wxGrid::SetColFormatBool(int col)
7306 {
7307     SetColFormatCustom(col, wxGRID_VALUE_BOOL);
7308 }
7309
7310 void wxGrid::SetColFormatNumber(int col)
7311 {
7312     SetColFormatCustom(col, wxGRID_VALUE_NUMBER);
7313 }
7314
7315 void wxGrid::SetColFormatFloat(int col, int width, int precision)
7316 {
7317     wxString typeName = wxGRID_VALUE_FLOAT;
7318     if ( (width != -1) || (precision != -1) )
7319     {
7320         typeName << wxT(':') << width << wxT(',') << precision;
7321     }
7322
7323     SetColFormatCustom(col, typeName);
7324 }
7325
7326 void wxGrid::SetColFormatCustom(int col, const wxString& typeName)
7327 {
7328     wxGridCellAttr *attr = m_table->GetAttr(-1, col, wxGridCellAttr::Col );
7329     if (!attr)
7330         attr = new wxGridCellAttr;
7331     wxGridCellRenderer *renderer = GetDefaultRendererForType(typeName);
7332     attr->SetRenderer(renderer);
7333     wxGridCellEditor *editor = GetDefaultEditorForType(typeName);
7334     attr->SetEditor(editor);
7335
7336     SetColAttr(col, attr);
7337
7338 }
7339
7340 // ----------------------------------------------------------------------------
7341 // setting cell attributes: this is forwarded to the table
7342 // ----------------------------------------------------------------------------
7343
7344 void wxGrid::SetAttr(int row, int col, wxGridCellAttr *attr)
7345 {
7346     if ( CanHaveAttributes() )
7347     {
7348         m_table->SetAttr(attr, row, col);
7349         ClearAttrCache();
7350     }
7351     else
7352     {
7353         wxSafeDecRef(attr);
7354     }
7355 }
7356
7357 void wxGrid::SetRowAttr(int row, wxGridCellAttr *attr)
7358 {
7359     if ( CanHaveAttributes() )
7360     {
7361         m_table->SetRowAttr(attr, row);
7362         ClearAttrCache();
7363     }
7364     else
7365     {
7366         wxSafeDecRef(attr);
7367     }
7368 }
7369
7370 void wxGrid::SetColAttr(int col, wxGridCellAttr *attr)
7371 {
7372     if ( CanHaveAttributes() )
7373     {
7374         m_table->SetColAttr(attr, col);
7375         ClearAttrCache();
7376     }
7377     else
7378     {
7379         wxSafeDecRef(attr);
7380     }
7381 }
7382
7383 void wxGrid::SetCellBackgroundColour( int row, int col, const wxColour& colour )
7384 {
7385     if ( CanHaveAttributes() )
7386     {
7387         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
7388         attr->SetBackgroundColour(colour);
7389         attr->DecRef();
7390     }
7391 }
7392
7393 void wxGrid::SetCellTextColour( int row, int col, const wxColour& colour )
7394 {
7395     if ( CanHaveAttributes() )
7396     {
7397         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
7398         attr->SetTextColour(colour);
7399         attr->DecRef();
7400     }
7401 }
7402
7403 void wxGrid::SetCellFont( int row, int col, const wxFont& font )
7404 {
7405     if ( CanHaveAttributes() )
7406     {
7407         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
7408         attr->SetFont(font);
7409         attr->DecRef();
7410     }
7411 }
7412
7413 void wxGrid::SetCellAlignment( int row, int col, int horiz, int vert )
7414 {
7415     if ( CanHaveAttributes() )
7416     {
7417         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
7418         attr->SetAlignment(horiz, vert);
7419         attr->DecRef();
7420     }
7421 }
7422
7423 void wxGrid::SetCellOverflow( int row, int col, bool allow )
7424 {
7425     if ( CanHaveAttributes() )
7426     {
7427         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
7428         attr->SetOverflow(allow);
7429         attr->DecRef();
7430     }
7431 }
7432
7433 void wxGrid::SetCellSize( int row, int col, int num_rows, int num_cols )
7434 {
7435     if ( CanHaveAttributes() )
7436     {
7437         int cell_rows, cell_cols;
7438
7439         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
7440         attr->GetSize(&cell_rows, &cell_cols);
7441         attr->SetSize(num_rows, num_cols);
7442         attr->DecRef();
7443
7444         // Cannot set the size of a cell to 0 or negative values
7445         // While it is perfectly legal to do that, this function cannot
7446         // handle all the possibilies, do it by hand by getting the CellAttr.
7447         // You can only set the size of a cell to 1,1 or greater with this fn
7448         wxASSERT_MSG( !((cell_rows < 1) || (cell_cols < 1)),
7449                       wxT("wxGrid::SetCellSize setting cell size that is already part of another cell"));
7450         wxASSERT_MSG( !((num_rows < 1) || (num_cols < 1)),
7451                       wxT("wxGrid::SetCellSize setting cell size to < 1"));
7452
7453         // if this was already a multicell then "turn off" the other cells first
7454         if ((cell_rows > 1) || (cell_cols > 1))
7455         {
7456             int i, j;
7457             for (j=row; j < row + cell_rows; j++)
7458             {
7459                 for (i=col; i < col + cell_cols; i++)
7460                 {
7461                     if ((i != col) || (j != row))
7462                     {
7463                         wxGridCellAttr *attr_stub = GetOrCreateCellAttr(j, i);
7464                         attr_stub->SetSize( 1, 1 );
7465                         attr_stub->DecRef();
7466                     }
7467                 }
7468             }
7469         }
7470
7471         // mark the cells that will be covered by this cell to
7472         // negative or zero values to point back at this cell
7473         if (((num_rows > 1) || (num_cols > 1)) && (num_rows >= 1) && (num_cols >= 1))
7474         {
7475             int i, j;
7476             for (j=row; j < row + num_rows; j++)
7477             {
7478                 for (i=col; i < col + num_cols; i++)
7479                 {
7480                     if ((i != col) || (j != row))
7481                     {
7482                         wxGridCellAttr *attr_stub = GetOrCreateCellAttr(j, i);
7483                         attr_stub->SetSize( row - j, col - i );
7484                         attr_stub->DecRef();
7485                     }
7486                 }
7487             }
7488         }
7489     }
7490 }
7491
7492 void wxGrid::SetCellRenderer(int row, int col, wxGridCellRenderer *renderer)
7493 {
7494     if ( CanHaveAttributes() )
7495     {
7496         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
7497         attr->SetRenderer(renderer);
7498         attr->DecRef();
7499     }
7500 }
7501
7502 void wxGrid::SetCellEditor(int row, int col, wxGridCellEditor* editor)
7503 {
7504     if ( CanHaveAttributes() )
7505     {
7506         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
7507         attr->SetEditor(editor);
7508         attr->DecRef();
7509     }
7510 }
7511
7512 void wxGrid::SetReadOnly(int row, int col, bool isReadOnly)
7513 {
7514     if ( CanHaveAttributes() )
7515     {
7516         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
7517         attr->SetReadOnly(isReadOnly);
7518         attr->DecRef();
7519     }
7520 }
7521
7522 // ----------------------------------------------------------------------------
7523 // Data type registration
7524 // ----------------------------------------------------------------------------
7525
7526 void wxGrid::RegisterDataType(const wxString& typeName,
7527                               wxGridCellRenderer* renderer,
7528                               wxGridCellEditor* editor)
7529 {
7530     m_typeRegistry->RegisterDataType(typeName, renderer, editor);
7531 }
7532
7533
7534 wxGridCellEditor * wxGrid::GetDefaultEditorForCell(int row, int col) const
7535 {
7536     wxString typeName = m_table->GetTypeName(row, col);
7537     return GetDefaultEditorForType(typeName);
7538 }
7539
7540 wxGridCellRenderer * wxGrid::GetDefaultRendererForCell(int row, int col) const
7541 {
7542     wxString typeName = m_table->GetTypeName(row, col);
7543     return GetDefaultRendererForType(typeName);
7544 }
7545
7546 wxGridCellEditor * wxGrid::GetDefaultEditorForType(const wxString& typeName) const
7547 {
7548     int index = m_typeRegistry->FindOrCloneDataType(typeName);
7549     if ( index == wxNOT_FOUND )
7550     {
7551         wxFAIL_MSG(wxString::Format(wxT("Unknown data type name [%s]"), typeName.c_str()));
7552
7553         return NULL;
7554     }
7555
7556     return m_typeRegistry->GetEditor(index);
7557 }
7558
7559 wxGridCellRenderer * wxGrid::GetDefaultRendererForType(const wxString& typeName) const
7560 {
7561     int index = m_typeRegistry->FindOrCloneDataType(typeName);
7562     if ( index == wxNOT_FOUND )
7563     {
7564         wxFAIL_MSG(wxString::Format(wxT("Unknown data type name [%s]"), typeName.c_str()));
7565
7566         return NULL;
7567     }
7568
7569     return m_typeRegistry->GetRenderer(index);
7570 }
7571
7572 // ----------------------------------------------------------------------------
7573 // row/col size
7574 // ----------------------------------------------------------------------------
7575
7576 void wxGrid::DoDisableLineResize(int line, wxGridFixedIndicesSet *& setFixed)
7577 {
7578     if ( !setFixed )
7579     {
7580         setFixed = new wxGridFixedIndicesSet;
7581     }
7582
7583     setFixed->insert(line);
7584 }
7585
7586 bool
7587 wxGrid::DoCanResizeLine(int line, const wxGridFixedIndicesSet *setFixed) const
7588 {
7589     return !setFixed || !setFixed->count(line);
7590 }
7591
7592 void wxGrid::EnableDragRowSize( bool enable )
7593 {
7594     m_canDragRowSize = enable;
7595 }
7596
7597 void wxGrid::EnableDragColSize( bool enable )
7598 {
7599     m_canDragColSize = enable;
7600 }
7601
7602 void wxGrid::EnableDragGridSize( bool enable )
7603 {
7604     m_canDragGridSize = enable;
7605 }
7606
7607 void wxGrid::EnableDragCell( bool enable )
7608 {
7609     m_canDragCell = enable;
7610 }
7611
7612 void wxGrid::SetDefaultRowSize( int height, bool resizeExistingRows )
7613 {
7614     m_defaultRowHeight = wxMax( height, m_minAcceptableRowHeight );
7615
7616     if ( resizeExistingRows )
7617     {
7618         // since we are resizing all rows to the default row size,
7619         // we can simply clear the row heights and row bottoms
7620         // arrays (which also allows us to take advantage of
7621         // some speed optimisations)
7622         m_rowHeights.Empty();
7623         m_rowBottoms.Empty();
7624         if ( !GetBatchCount() )
7625             CalcDimensions();
7626     }
7627 }
7628
7629 void wxGrid::SetRowSize( int row, int height )
7630 {
7631     wxCHECK_RET( row >= 0 && row < m_numRows, wxT("invalid row index") );
7632
7633     // if < 0 then calculate new height from label
7634     if ( height < 0 )
7635     {
7636         long w, h;
7637         wxArrayString lines;
7638         wxClientDC dc(m_rowLabelWin);
7639         dc.SetFont(GetLabelFont());
7640         StringToLines(GetRowLabelValue( row ), lines);
7641         GetTextBoxSize( dc, lines, &w, &h );
7642         //check that it is not less than the minimal height
7643         height = wxMax(h, GetRowMinimalAcceptableHeight());
7644     }
7645
7646     // See comment in SetColSize
7647     if ( height < GetRowMinimalAcceptableHeight())
7648         return;
7649
7650     if ( m_rowHeights.IsEmpty() )
7651     {
7652         // need to really create the array
7653         InitRowHeights();
7654     }
7655
7656     int h = wxMax( 0, height );
7657     int diff = h - m_rowHeights[row];
7658
7659     m_rowHeights[row] = h;
7660     for ( int i = row; i < m_numRows; i++ )
7661     {
7662         m_rowBottoms[i] += diff;
7663     }
7664
7665     if ( !GetBatchCount() )
7666         CalcDimensions();
7667 }
7668
7669 void wxGrid::SetDefaultColSize( int width, bool resizeExistingCols )
7670 {
7671     // we dont allow zero default column width
7672     m_defaultColWidth = wxMax( wxMax( width, m_minAcceptableColWidth ), 1 );
7673
7674     if ( resizeExistingCols )
7675     {
7676         // since we are resizing all columns to the default column size,
7677         // we can simply clear the col widths and col rights
7678         // arrays (which also allows us to take advantage of
7679         // some speed optimisations)
7680         m_colWidths.Empty();
7681         m_colRights.Empty();
7682         if ( !GetBatchCount() )
7683             CalcDimensions();
7684     }
7685 }
7686
7687 void wxGrid::SetColSize( int col, int width )
7688 {
7689     wxCHECK_RET( col >= 0 && col < m_numCols, wxT("invalid column index") );
7690
7691     // if < 0 then calculate new width from label
7692     if ( width < 0 )
7693     {
7694         long w, h;
7695         wxArrayString lines;
7696         wxClientDC dc(m_colWindow);
7697         dc.SetFont(GetLabelFont());
7698         StringToLines(GetColLabelValue(col), lines);
7699         if ( GetColLabelTextOrientation() == wxHORIZONTAL )
7700             GetTextBoxSize( dc, lines, &w, &h );
7701         else
7702             GetTextBoxSize( dc, lines, &h, &w );
7703         width = w + 6;
7704         //check that it is not less than the minimal width
7705         width = wxMax(width, GetColMinimalAcceptableWidth());
7706     }
7707
7708     // we intentionally don't test whether the width is less than
7709     // GetColMinimalWidth() here but we do compare it with
7710     // GetColMinimalAcceptableWidth() as otherwise things currently break (see
7711     // #651) -- and we also always allow the width of 0 as it has the special
7712     // sense of hiding the column
7713     if ( width > 0 && width < GetColMinimalAcceptableWidth() )
7714         return;
7715
7716     if ( m_colWidths.IsEmpty() )
7717     {
7718         // need to really create the array
7719         InitColWidths();
7720     }
7721
7722     const int diff = width - m_colWidths[col];
7723     m_colWidths[col] = width;
7724     if ( m_useNativeHeader )
7725         GetGridColHeader()->UpdateColumn(col);
7726     //else: will be refreshed when the header is redrawn
7727
7728     for ( int colPos = GetColPos(col); colPos < m_numCols; colPos++ )
7729     {
7730         m_colRights[GetColAt(colPos)] += diff;
7731     }
7732
7733     if ( !GetBatchCount() )
7734     {
7735         CalcDimensions();
7736         Refresh();
7737     }
7738 }
7739
7740 void wxGrid::SetColMinimalWidth( int col, int width )
7741 {
7742     if (width > GetColMinimalAcceptableWidth())
7743     {
7744         wxLongToLongHashMap::key_type key = (wxLongToLongHashMap::key_type)col;
7745         m_colMinWidths[key] = width;
7746     }
7747 }
7748
7749 void wxGrid::SetRowMinimalHeight( int row, int width )
7750 {
7751     if (width > GetRowMinimalAcceptableHeight())
7752     {
7753         wxLongToLongHashMap::key_type key = (wxLongToLongHashMap::key_type)row;
7754         m_rowMinHeights[key] = width;
7755     }
7756 }
7757
7758 int wxGrid::GetColMinimalWidth(int col) const
7759 {
7760     wxLongToLongHashMap::key_type key = (wxLongToLongHashMap::key_type)col;
7761     wxLongToLongHashMap::const_iterator it = m_colMinWidths.find(key);
7762
7763     return it != m_colMinWidths.end() ? (int)it->second : m_minAcceptableColWidth;
7764 }
7765
7766 int wxGrid::GetRowMinimalHeight(int row) const
7767 {
7768     wxLongToLongHashMap::key_type key = (wxLongToLongHashMap::key_type)row;
7769     wxLongToLongHashMap::const_iterator it = m_rowMinHeights.find(key);
7770
7771     return it != m_rowMinHeights.end() ? (int)it->second : m_minAcceptableRowHeight;
7772 }
7773
7774 void wxGrid::SetColMinimalAcceptableWidth( int width )
7775 {
7776     // We do allow a width of 0 since this gives us
7777     // an easy way to temporarily hiding columns.
7778     if ( width >= 0 )
7779         m_minAcceptableColWidth = width;
7780 }
7781
7782 void wxGrid::SetRowMinimalAcceptableHeight( int height )
7783 {
7784     // We do allow a height of 0 since this gives us
7785     // an easy way to temporarily hiding rows.
7786     if ( height >= 0 )
7787         m_minAcceptableRowHeight = height;
7788 }
7789
7790 int  wxGrid::GetColMinimalAcceptableWidth() const
7791 {
7792     return m_minAcceptableColWidth;
7793 }
7794
7795 int  wxGrid::GetRowMinimalAcceptableHeight() const
7796 {
7797     return m_minAcceptableRowHeight;
7798 }
7799
7800 // ----------------------------------------------------------------------------
7801 // auto sizing
7802 // ----------------------------------------------------------------------------
7803
7804 void
7805 wxGrid::AutoSizeColOrRow(int colOrRow, bool setAsMin, wxGridDirection direction)
7806 {
7807     const bool column = direction == wxGRID_COLUMN;
7808
7809     wxClientDC dc(m_gridWin);
7810
7811     // cancel editing of cell
7812     HideCellEditControl();
7813     SaveEditControlValue();
7814
7815     // init both of them to avoid compiler warnings, even if we only need one
7816     int row = -1,
7817         col = -1;
7818     if ( column )
7819         col = colOrRow;
7820     else
7821         row = colOrRow;
7822
7823     wxCoord extent, extentMax = 0;
7824     int max = column ? m_numRows : m_numCols;
7825     for ( int rowOrCol = 0; rowOrCol < max; rowOrCol++ )
7826     {
7827         if ( column )
7828             row = rowOrCol;
7829         else
7830             col = rowOrCol;
7831
7832         wxGridCellAttr *attr = GetCellAttr(row, col);
7833         wxGridCellRenderer *renderer = attr->GetRenderer(this, row, col);
7834         if ( renderer )
7835         {
7836             wxSize size = renderer->GetBestSize(*this, *attr, dc, row, col);
7837             extent = column ? size.x : size.y;
7838             if ( extent > extentMax )
7839                 extentMax = extent;
7840
7841             renderer->DecRef();
7842         }
7843
7844         attr->DecRef();
7845     }
7846
7847     // now also compare with the column label extent
7848     wxCoord w, h;
7849     dc.SetFont( GetLabelFont() );
7850
7851     if ( column )
7852     {
7853         dc.GetMultiLineTextExtent( GetColLabelValue(col), &w, &h );
7854         if ( GetColLabelTextOrientation() == wxVERTICAL )
7855             w = h;
7856     }
7857     else
7858         dc.GetMultiLineTextExtent( GetRowLabelValue(row), &w, &h );
7859
7860     extent = column ? w : h;
7861     if ( extent > extentMax )
7862         extentMax = extent;
7863
7864     if ( !extentMax )
7865     {
7866         // empty column - give default extent (notice that if extentMax is less
7867         // than default extent but != 0, it's OK)
7868         extentMax = column ? m_defaultColWidth : m_defaultRowHeight;
7869     }
7870     else
7871     {
7872         if ( column )
7873             // leave some space around text
7874             extentMax += 10;
7875         else
7876             extentMax += 6;
7877     }
7878
7879     if ( column )
7880     {
7881         // Ensure automatic width is not less than minimal width. See the
7882         // comment in SetColSize() for explanation of why this isn't done
7883         // in SetColSize().
7884         if ( !setAsMin )
7885             extentMax = wxMax(extentMax, GetColMinimalWidth(col));
7886
7887         SetColSize( col, extentMax );
7888         if ( !GetBatchCount() )
7889         {
7890             if ( m_useNativeHeader )
7891             {
7892                 GetGridColHeader()->UpdateColumn(col);
7893             }
7894             else
7895             {
7896                 int cw, ch, dummy;
7897                 m_gridWin->GetClientSize( &cw, &ch );
7898                 wxRect rect ( CellToRect( 0, col ) );
7899                 rect.y = 0;
7900                 CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
7901                 rect.width = cw - rect.x;
7902                 rect.height = m_colLabelHeight;
7903                 GetColLabelWindow()->Refresh( true, &rect );
7904             }
7905         }
7906     }
7907     else
7908     {
7909         // Ensure automatic width is not less than minimal height. See the
7910         // comment in SetColSize() for explanation of why this isn't done
7911         // in SetRowSize().
7912         if ( !setAsMin )
7913             extentMax = wxMax(extentMax, GetRowMinimalHeight(row));
7914
7915         SetRowSize(row, extentMax);
7916         if ( !GetBatchCount() )
7917         {
7918             int cw, ch, dummy;
7919             m_gridWin->GetClientSize( &cw, &ch );
7920             wxRect rect( CellToRect( row, 0 ) );
7921             rect.x = 0;
7922             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
7923             rect.width = m_rowLabelWidth;
7924             rect.height = ch - rect.y;
7925             m_rowLabelWin->Refresh( true, &rect );
7926         }
7927     }
7928
7929     if ( setAsMin )
7930     {
7931         if ( column )
7932             SetColMinimalWidth(col, extentMax);
7933         else
7934             SetRowMinimalHeight(row, extentMax);
7935     }
7936 }
7937
7938 wxCoord wxGrid::CalcColOrRowLabelAreaMinSize(wxGridDirection direction)
7939 {
7940     // calculate size for the rows or columns?
7941     const bool calcRows = direction == wxGRID_ROW;
7942
7943     wxClientDC dc(calcRows ? GetGridRowLabelWindow()
7944                            : GetGridColLabelWindow());
7945     dc.SetFont(GetLabelFont());
7946
7947     // which dimension should we take into account for calculations?
7948     //
7949     // for columns, the text can be only horizontal so it's easy but for rows
7950     // we also have to take into account the text orientation
7951     const bool
7952         useWidth = calcRows || (GetColLabelTextOrientation() == wxVERTICAL);
7953
7954     wxArrayString lines;
7955     wxCoord extentMax = 0;
7956
7957     const int numRowsOrCols = calcRows ? m_numRows : m_numCols;
7958     for ( int rowOrCol = 0; rowOrCol < numRowsOrCols; rowOrCol++ )
7959     {
7960         lines.Clear();
7961
7962         wxString label = calcRows ? GetRowLabelValue(rowOrCol)
7963                                   : GetColLabelValue(rowOrCol);
7964         StringToLines(label, lines);
7965
7966         long w, h;
7967         GetTextBoxSize(dc, lines, &w, &h);
7968
7969         const wxCoord extent = useWidth ? w : h;
7970         if ( extent > extentMax )
7971             extentMax = extent;
7972     }
7973
7974     if ( !extentMax )
7975     {
7976         // empty column - give default extent (notice that if extentMax is less
7977         // than default extent but != 0, it's OK)
7978         extentMax = calcRows ? GetDefaultRowLabelSize()
7979                              : GetDefaultColLabelSize();
7980     }
7981
7982     // leave some space around text (taken from AutoSizeColOrRow)
7983     if ( calcRows )
7984         extentMax += 10;
7985     else
7986         extentMax += 6;
7987
7988     return extentMax;
7989 }
7990
7991 int wxGrid::SetOrCalcColumnSizes(bool calcOnly, bool setAsMin)
7992 {
7993     int width = m_rowLabelWidth;
7994
7995     wxGridUpdateLocker locker;
7996     if(!calcOnly)
7997         locker.Create(this);
7998
7999     for ( int col = 0; col < m_numCols; col++ )
8000     {
8001         if ( !calcOnly )
8002             AutoSizeColumn(col, setAsMin);
8003
8004         width += GetColWidth(col);
8005     }
8006
8007     return width;
8008 }
8009
8010 int wxGrid::SetOrCalcRowSizes(bool calcOnly, bool setAsMin)
8011 {
8012     int height = m_colLabelHeight;
8013
8014     wxGridUpdateLocker locker;
8015     if(!calcOnly)
8016         locker.Create(this);
8017
8018     for ( int row = 0; row < m_numRows; row++ )
8019     {
8020         if ( !calcOnly )
8021             AutoSizeRow(row, setAsMin);
8022
8023         height += GetRowHeight(row);
8024     }
8025
8026     return height;
8027 }
8028
8029 void wxGrid::AutoSize()
8030 {
8031     wxGridUpdateLocker locker(this);
8032
8033     wxSize size(SetOrCalcColumnSizes(false) - m_rowLabelWidth + m_extraWidth,
8034                 SetOrCalcRowSizes(false) - m_colLabelHeight + m_extraHeight);
8035
8036     // we know that we're not going to have scrollbars so disable them now to
8037     // avoid trouble in SetClientSize() which can otherwise set the correct
8038     // client size but also leave space for (not needed any more) scrollbars
8039     SetScrollbars(0, 0, 0, 0, 0, 0, true);
8040
8041     // restore the scroll rate parameters overwritten by SetScrollbars()
8042     SetScrollRate(m_scrollLineX, m_scrollLineY);
8043
8044     SetClientSize(size.x + m_rowLabelWidth, size.y + m_colLabelHeight);
8045 }
8046
8047 void wxGrid::AutoSizeRowLabelSize( int row )
8048 {
8049     // Hide the edit control, so it
8050     // won't interfere with drag-shrinking.
8051     if ( IsCellEditControlShown() )
8052     {
8053         HideCellEditControl();
8054         SaveEditControlValue();
8055     }
8056
8057     // autosize row height depending on label text
8058     SetRowSize(row, -1);
8059     ForceRefresh();
8060 }
8061
8062 void wxGrid::AutoSizeColLabelSize( int col )
8063 {
8064     // Hide the edit control, so it
8065     // won't interfere with drag-shrinking.
8066     if ( IsCellEditControlShown() )
8067     {
8068         HideCellEditControl();
8069         SaveEditControlValue();
8070     }
8071
8072     // autosize column width depending on label text
8073     SetColSize(col, -1);
8074     ForceRefresh();
8075 }
8076
8077 wxSize wxGrid::DoGetBestSize() const
8078 {
8079     wxGrid *self = (wxGrid *)this;  // const_cast
8080
8081     // we do the same as in AutoSize() here with the exception that we don't
8082     // change the column/row sizes, only calculate them
8083     wxSize size(self->SetOrCalcColumnSizes(true) - m_rowLabelWidth + m_extraWidth,
8084                 self->SetOrCalcRowSizes(true) - m_colLabelHeight + m_extraHeight);
8085
8086     // NOTE: This size should be cached, but first we need to add calls to
8087     // InvalidateBestSize everywhere that could change the results of this
8088     // calculation.
8089     // CacheBestSize(size);
8090
8091     return wxSize(size.x + m_rowLabelWidth, size.y + m_colLabelHeight)
8092             + GetWindowBorderSize();
8093 }
8094
8095 void wxGrid::Fit()
8096 {
8097     AutoSize();
8098 }
8099
8100 wxPen& wxGrid::GetDividerPen() const
8101 {
8102     return wxNullPen;
8103 }
8104
8105 // ----------------------------------------------------------------------------
8106 // cell value accessor functions
8107 // ----------------------------------------------------------------------------
8108
8109 void wxGrid::SetCellValue( int row, int col, const wxString& s )
8110 {
8111     if ( m_table )
8112     {
8113         m_table->SetValue( row, col, s );
8114         if ( !GetBatchCount() )
8115         {
8116             int dummy;
8117             wxRect rect( CellToRect( row, col ) );
8118             rect.x = 0;
8119             rect.width = m_gridWin->GetClientSize().GetWidth();
8120             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
8121             m_gridWin->Refresh( false, &rect );
8122         }
8123
8124         if ( m_currentCellCoords.GetRow() == row &&
8125              m_currentCellCoords.GetCol() == col &&
8126              IsCellEditControlShown())
8127              // Note: If we are using IsCellEditControlEnabled,
8128              // this interacts badly with calling SetCellValue from
8129              // an EVT_GRID_CELL_CHANGE handler.
8130         {
8131             HideCellEditControl();
8132             ShowCellEditControl(); // will reread data from table
8133         }
8134     }
8135 }
8136
8137 // ----------------------------------------------------------------------------
8138 // block, row and column selection
8139 // ----------------------------------------------------------------------------
8140
8141 void wxGrid::SelectRow( int row, bool addToSelected )
8142 {
8143     if ( !m_selection )
8144         return;
8145
8146     if ( !addToSelected )
8147         ClearSelection();
8148
8149     m_selection->SelectRow(row);
8150 }
8151
8152 void wxGrid::SelectCol( int col, bool addToSelected )
8153 {
8154     if ( !m_selection )
8155         return;
8156
8157     if ( !addToSelected )
8158         ClearSelection();
8159
8160     m_selection->SelectCol(col);
8161 }
8162
8163 void wxGrid::SelectBlock(int topRow, int leftCol, int bottomRow, int rightCol,
8164                          bool addToSelected)
8165 {
8166     if ( !m_selection )
8167         return;
8168
8169     if ( !addToSelected )
8170         ClearSelection();
8171
8172     m_selection->SelectBlock(topRow, leftCol, bottomRow, rightCol);
8173 }
8174
8175 void wxGrid::SelectAll()
8176 {
8177     if ( m_numRows > 0 && m_numCols > 0 )
8178     {
8179         if ( m_selection )
8180             m_selection->SelectBlock( 0, 0, m_numRows - 1, m_numCols - 1 );
8181     }
8182 }
8183
8184 // ----------------------------------------------------------------------------
8185 // cell, row and col deselection
8186 // ----------------------------------------------------------------------------
8187
8188 void wxGrid::DeselectLine(int line, const wxGridOperations& oper)
8189 {
8190     if ( !m_selection )
8191         return;
8192
8193     const wxGridSelectionModes mode = m_selection->GetSelectionMode();
8194     if ( mode == oper.GetSelectionMode() ||
8195             mode == wxGrid::wxGridSelectRowsOrColumns )
8196     {
8197         const wxGridCellCoords c(oper.MakeCoords(line, 0));
8198         if ( m_selection->IsInSelection(c) )
8199             m_selection->ToggleCellSelection(c);
8200     }
8201     else if ( mode != oper.Dual().GetSelectionMode() )
8202     {
8203         const int nOther = oper.Dual().GetNumberOfLines(this);
8204         for ( int i = 0; i < nOther; i++ )
8205         {
8206             const wxGridCellCoords c(oper.MakeCoords(line, i));
8207             if ( m_selection->IsInSelection(c) )
8208                 m_selection->ToggleCellSelection(c);
8209         }
8210     }
8211     //else: can only select orthogonal lines so no lines in this direction
8212     //      could have been selected anyhow
8213 }
8214
8215 void wxGrid::DeselectRow(int row)
8216 {
8217     DeselectLine(row, wxGridRowOperations());
8218 }
8219
8220 void wxGrid::DeselectCol(int col)
8221 {
8222     DeselectLine(col, wxGridColumnOperations());
8223 }
8224
8225 void wxGrid::DeselectCell( int row, int col )
8226 {
8227     if ( m_selection && m_selection->IsInSelection(row, col) )
8228         m_selection->ToggleCellSelection(row, col);
8229 }
8230
8231 bool wxGrid::IsSelection() const
8232 {
8233     return ( m_selection && (m_selection->IsSelection() ||
8234              ( m_selectedBlockTopLeft != wxGridNoCellCoords &&
8235                m_selectedBlockBottomRight != wxGridNoCellCoords) ) );
8236 }
8237
8238 bool wxGrid::IsInSelection( int row, int col ) const
8239 {
8240     return ( m_selection && (m_selection->IsInSelection( row, col ) ||
8241              ( row >= m_selectedBlockTopLeft.GetRow() &&
8242                col >= m_selectedBlockTopLeft.GetCol() &&
8243                row <= m_selectedBlockBottomRight.GetRow() &&
8244                col <= m_selectedBlockBottomRight.GetCol() )) );
8245 }
8246
8247 wxGridCellCoordsArray wxGrid::GetSelectedCells() const
8248 {
8249     if (!m_selection)
8250     {
8251         wxGridCellCoordsArray a;
8252         return a;
8253     }
8254
8255     return m_selection->m_cellSelection;
8256 }
8257
8258 wxGridCellCoordsArray wxGrid::GetSelectionBlockTopLeft() const
8259 {
8260     if (!m_selection)
8261     {
8262         wxGridCellCoordsArray a;
8263         return a;
8264     }
8265
8266     return m_selection->m_blockSelectionTopLeft;
8267 }
8268
8269 wxGridCellCoordsArray wxGrid::GetSelectionBlockBottomRight() const
8270 {
8271     if (!m_selection)
8272     {
8273         wxGridCellCoordsArray a;
8274         return a;
8275     }
8276
8277     return m_selection->m_blockSelectionBottomRight;
8278 }
8279
8280 wxArrayInt wxGrid::GetSelectedRows() const
8281 {
8282     if (!m_selection)
8283     {
8284         wxArrayInt a;
8285         return a;
8286     }
8287
8288     return m_selection->m_rowSelection;
8289 }
8290
8291 wxArrayInt wxGrid::GetSelectedCols() const
8292 {
8293     if (!m_selection)
8294     {
8295         wxArrayInt a;
8296         return a;
8297     }
8298
8299     return m_selection->m_colSelection;
8300 }
8301
8302 void wxGrid::ClearSelection()
8303 {
8304     wxRect r1 = BlockToDeviceRect(m_selectedBlockTopLeft,
8305                                   m_selectedBlockBottomRight);
8306     wxRect r2 = BlockToDeviceRect(m_currentCellCoords,
8307                                   m_selectedBlockCorner);
8308
8309     m_selectedBlockTopLeft =
8310     m_selectedBlockBottomRight =
8311     m_selectedBlockCorner = wxGridNoCellCoords;
8312
8313     if ( !r1.IsEmpty() )
8314         RefreshRect(r1, false);
8315     if ( !r2.IsEmpty() )
8316         RefreshRect(r2, false);
8317
8318     if ( m_selection )
8319         m_selection->ClearSelection();
8320 }
8321
8322 // This function returns the rectangle that encloses the given block
8323 // in device coords clipped to the client size of the grid window.
8324 //
8325 wxRect wxGrid::BlockToDeviceRect( const wxGridCellCoords& topLeft,
8326                                   const wxGridCellCoords& bottomRight ) const
8327 {
8328     wxRect resultRect;
8329     wxRect tempCellRect = CellToRect(topLeft);
8330     if ( tempCellRect != wxGridNoCellRect )
8331     {
8332         resultRect = tempCellRect;
8333     }
8334     else
8335     {
8336         resultRect = wxRect(0, 0, 0, 0);
8337     }
8338
8339     tempCellRect = CellToRect(bottomRight);
8340     if ( tempCellRect != wxGridNoCellRect )
8341     {
8342         resultRect += tempCellRect;
8343     }
8344     else
8345     {
8346         // If both inputs were "wxGridNoCellRect," then there's nothing to do.
8347         return wxGridNoCellRect;
8348     }
8349
8350     // Ensure that left/right and top/bottom pairs are in order.
8351     int left = resultRect.GetLeft();
8352     int top = resultRect.GetTop();
8353     int right = resultRect.GetRight();
8354     int bottom = resultRect.GetBottom();
8355
8356     int leftCol = topLeft.GetCol();
8357     int topRow = topLeft.GetRow();
8358     int rightCol = bottomRight.GetCol();
8359     int bottomRow = bottomRight.GetRow();
8360
8361     if (left > right)
8362     {
8363         int tmp = left;
8364         left = right;
8365         right = tmp;
8366
8367         tmp = leftCol;
8368         leftCol = rightCol;
8369         rightCol = tmp;
8370     }
8371
8372     if (top > bottom)
8373     {
8374         int tmp = top;
8375         top = bottom;
8376         bottom = tmp;
8377
8378         tmp = topRow;
8379         topRow = bottomRow;
8380         bottomRow = tmp;
8381     }
8382
8383     // The following loop is ONLY necessary to detect and handle merged cells.
8384     int cw, ch;
8385     m_gridWin->GetClientSize( &cw, &ch );
8386
8387     // Get the origin coordinates: notice that they will be negative if the
8388     // grid is scrolled downwards/to the right.
8389     int gridOriginX = 0;
8390     int gridOriginY = 0;
8391     CalcScrolledPosition(gridOriginX, gridOriginY, &gridOriginX, &gridOriginY);
8392
8393     int onScreenLeftmostCol = internalXToCol(-gridOriginX);
8394     int onScreenUppermostRow = internalYToRow(-gridOriginY);
8395
8396     int onScreenRightmostCol = internalXToCol(-gridOriginX + cw);
8397     int onScreenBottommostRow = internalYToRow(-gridOriginY + ch);
8398
8399     // Bound our loop so that we only examine the portion of the selected block
8400     // that is shown on screen. Therefore, we compare the Top-Left block values
8401     // to the Top-Left screen values, and the Bottom-Right block values to the
8402     // Bottom-Right screen values, choosing appropriately.
8403     const int visibleTopRow = wxMax(topRow, onScreenUppermostRow);
8404     const int visibleBottomRow = wxMin(bottomRow, onScreenBottommostRow);
8405     const int visibleLeftCol = wxMax(leftCol, onScreenLeftmostCol);
8406     const int visibleRightCol = wxMin(rightCol, onScreenRightmostCol);
8407
8408     for ( int j = visibleTopRow; j <= visibleBottomRow; j++ )
8409     {
8410         for ( int i = visibleLeftCol; i <= visibleRightCol; i++ )
8411         {
8412             if ( (j == visibleTopRow) || (j == visibleBottomRow) ||
8413                     (i == visibleLeftCol) || (i == visibleRightCol) )
8414             {
8415                 tempCellRect = CellToRect( j, i );
8416
8417                 if (tempCellRect.x < left)
8418                     left = tempCellRect.x;
8419                 if (tempCellRect.y < top)
8420                     top = tempCellRect.y;
8421                 if (tempCellRect.x + tempCellRect.width > right)
8422                     right = tempCellRect.x + tempCellRect.width;
8423                 if (tempCellRect.y + tempCellRect.height > bottom)
8424                     bottom = tempCellRect.y + tempCellRect.height;
8425             }
8426             else
8427             {
8428                 i = visibleRightCol; // jump over inner cells.
8429             }
8430         }
8431     }
8432
8433     // Convert to scrolled coords
8434     CalcScrolledPosition( left, top, &left, &top );
8435     CalcScrolledPosition( right, bottom, &right, &bottom );
8436
8437     if (right < 0 || bottom < 0 || left > cw || top > ch)
8438         return wxRect(0,0,0,0);
8439
8440     resultRect.SetLeft( wxMax(0, left) );
8441     resultRect.SetTop( wxMax(0, top) );
8442     resultRect.SetRight( wxMin(cw, right) );
8443     resultRect.SetBottom( wxMin(ch, bottom) );
8444
8445     return resultRect;
8446 }
8447
8448 void wxGrid::DoSetSizes(const wxGridSizesInfo& sizeInfo,
8449                         const wxGridOperations& oper)
8450 {
8451     BeginBatch();
8452     oper.SetDefaultLineSize(this, sizeInfo.m_sizeDefault, true);
8453     const int numLines = oper.GetNumberOfLines(this);
8454     for ( int i = 0; i < numLines; i++ )
8455     {
8456         int size = sizeInfo.GetSize(i);
8457         if ( size != sizeInfo.m_sizeDefault)
8458             oper.SetLineSize(this, i, size);
8459     }
8460     EndBatch();
8461 }
8462
8463 void wxGrid::SetColSizes(const wxGridSizesInfo& sizeInfo)
8464 {
8465     DoSetSizes(sizeInfo, wxGridColumnOperations());
8466 }
8467
8468 void wxGrid::SetRowSizes(const wxGridSizesInfo& sizeInfo)
8469 {
8470     DoSetSizes(sizeInfo, wxGridRowOperations());
8471 }
8472
8473 wxGridSizesInfo::wxGridSizesInfo(int defSize, const wxArrayInt& allSizes)
8474 {
8475     m_sizeDefault = defSize;
8476     for ( size_t i = 0; i < allSizes.size(); i++ )
8477     {
8478         if ( allSizes[i] != defSize )
8479             m_customSizes[i] = allSizes[i];
8480     }
8481 }
8482
8483 int wxGridSizesInfo::GetSize(unsigned pos) const
8484 {
8485     wxUnsignedToIntHashMap::const_iterator it = m_customSizes.find(pos);
8486
8487     return it == m_customSizes.end() ? m_sizeDefault : it->second;
8488 }
8489
8490 // ----------------------------------------------------------------------------
8491 // drop target
8492 // ----------------------------------------------------------------------------
8493
8494 #if wxUSE_DRAG_AND_DROP
8495
8496 // this allow setting drop target directly on wxGrid
8497 void wxGrid::SetDropTarget(wxDropTarget *dropTarget)
8498 {
8499     GetGridWindow()->SetDropTarget(dropTarget);
8500 }
8501
8502 #endif // wxUSE_DRAG_AND_DROP
8503
8504 // ----------------------------------------------------------------------------
8505 // grid event classes
8506 // ----------------------------------------------------------------------------
8507
8508 IMPLEMENT_DYNAMIC_CLASS( wxGridEvent, wxNotifyEvent )
8509
8510 wxGridEvent::wxGridEvent( int id, wxEventType type, wxObject* obj,
8511                           int row, int col, int x, int y, bool sel,
8512                           bool control, bool shift, bool alt, bool meta )
8513         : wxNotifyEvent( type, id ),
8514           wxKeyboardState(control, shift, alt, meta)
8515 {
8516     Init(row, col, x, y, sel);
8517
8518     SetEventObject(obj);
8519 }
8520
8521 IMPLEMENT_DYNAMIC_CLASS( wxGridSizeEvent, wxNotifyEvent )
8522
8523 wxGridSizeEvent::wxGridSizeEvent( int id, wxEventType type, wxObject* obj,
8524                                   int rowOrCol, int x, int y,
8525                                   bool control, bool shift, bool alt, bool meta )
8526         : wxNotifyEvent( type, id ),
8527           wxKeyboardState(control, shift, alt, meta)
8528 {
8529     Init(rowOrCol, x, y);
8530
8531     SetEventObject(obj);
8532 }
8533
8534
8535 IMPLEMENT_DYNAMIC_CLASS( wxGridRangeSelectEvent, wxNotifyEvent )
8536
8537 wxGridRangeSelectEvent::wxGridRangeSelectEvent(int id, wxEventType type, wxObject* obj,
8538                                                const wxGridCellCoords& topLeft,
8539                                                const wxGridCellCoords& bottomRight,
8540                                                bool sel, bool control,
8541                                                bool shift, bool alt, bool meta )
8542         : wxNotifyEvent( type, id ),
8543           wxKeyboardState(control, shift, alt, meta)
8544 {
8545     Init(topLeft, bottomRight, sel);
8546
8547     SetEventObject(obj);
8548 }
8549
8550
8551 IMPLEMENT_DYNAMIC_CLASS(wxGridEditorCreatedEvent, wxCommandEvent)
8552
8553 wxGridEditorCreatedEvent::wxGridEditorCreatedEvent(int id, wxEventType type,
8554                                                    wxObject* obj, int row,
8555                                                    int col, wxControl* ctrl)
8556     : wxCommandEvent(type, id)
8557 {
8558     SetEventObject(obj);
8559     m_row = row;
8560     m_col = col;
8561     m_ctrl = ctrl;
8562 }
8563
8564
8565 // ----------------------------------------------------------------------------
8566 // wxGridTypeRegistry
8567 // ----------------------------------------------------------------------------
8568
8569 wxGridTypeRegistry::~wxGridTypeRegistry()
8570 {
8571     size_t count = m_typeinfo.GetCount();
8572     for ( size_t i = 0; i < count; i++ )
8573         delete m_typeinfo[i];
8574 }
8575
8576 void wxGridTypeRegistry::RegisterDataType(const wxString& typeName,
8577                                           wxGridCellRenderer* renderer,
8578                                           wxGridCellEditor* editor)
8579 {
8580     wxGridDataTypeInfo* info = new wxGridDataTypeInfo(typeName, renderer, editor);
8581
8582     // is it already registered?
8583     int loc = FindRegisteredDataType(typeName);
8584     if ( loc != wxNOT_FOUND )
8585     {
8586         delete m_typeinfo[loc];
8587         m_typeinfo[loc] = info;
8588     }
8589     else
8590     {
8591         m_typeinfo.Add(info);
8592     }
8593 }
8594
8595 int wxGridTypeRegistry::FindRegisteredDataType(const wxString& typeName)
8596 {
8597     size_t count = m_typeinfo.GetCount();
8598     for ( size_t i = 0; i < count; i++ )
8599     {
8600         if ( typeName == m_typeinfo[i]->m_typeName )
8601         {
8602             return i;
8603         }
8604     }
8605
8606     return wxNOT_FOUND;
8607 }
8608
8609 int wxGridTypeRegistry::FindDataType(const wxString& typeName)
8610 {
8611     int index = FindRegisteredDataType(typeName);
8612     if ( index == wxNOT_FOUND )
8613     {
8614         // check whether this is one of the standard ones, in which case
8615         // register it "on the fly"
8616 #if wxUSE_TEXTCTRL
8617         if ( typeName == wxGRID_VALUE_STRING )
8618         {
8619             RegisterDataType(wxGRID_VALUE_STRING,
8620                              new wxGridCellStringRenderer,
8621                              new wxGridCellTextEditor);
8622         }
8623         else
8624 #endif // wxUSE_TEXTCTRL
8625 #if wxUSE_CHECKBOX
8626         if ( typeName == wxGRID_VALUE_BOOL )
8627         {
8628             RegisterDataType(wxGRID_VALUE_BOOL,
8629                              new wxGridCellBoolRenderer,
8630                              new wxGridCellBoolEditor);
8631         }
8632         else
8633 #endif // wxUSE_CHECKBOX
8634 #if wxUSE_TEXTCTRL
8635         if ( typeName == wxGRID_VALUE_NUMBER )
8636         {
8637             RegisterDataType(wxGRID_VALUE_NUMBER,
8638                              new wxGridCellNumberRenderer,
8639                              new wxGridCellNumberEditor);
8640         }
8641         else if ( typeName == wxGRID_VALUE_FLOAT )
8642         {
8643             RegisterDataType(wxGRID_VALUE_FLOAT,
8644                              new wxGridCellFloatRenderer,
8645                              new wxGridCellFloatEditor);
8646         }
8647         else
8648 #endif // wxUSE_TEXTCTRL
8649 #if wxUSE_COMBOBOX
8650         if ( typeName == wxGRID_VALUE_CHOICE )
8651         {
8652             RegisterDataType(wxGRID_VALUE_CHOICE,
8653                              new wxGridCellStringRenderer,
8654                              new wxGridCellChoiceEditor);
8655         }
8656         else
8657 #endif // wxUSE_COMBOBOX
8658         {
8659             return wxNOT_FOUND;
8660         }
8661
8662         // we get here only if just added the entry for this type, so return
8663         // the last index
8664         index = m_typeinfo.GetCount() - 1;
8665     }
8666
8667     return index;
8668 }
8669
8670 int wxGridTypeRegistry::FindOrCloneDataType(const wxString& typeName)
8671 {
8672     int index = FindDataType(typeName);
8673     if ( index == wxNOT_FOUND )
8674     {
8675         // the first part of the typename is the "real" type, anything after ':'
8676         // are the parameters for the renderer
8677         index = FindDataType(typeName.BeforeFirst(wxT(':')));
8678         if ( index == wxNOT_FOUND )
8679         {
8680             return wxNOT_FOUND;
8681         }
8682
8683         wxGridCellRenderer *renderer = GetRenderer(index);
8684         wxGridCellRenderer *rendererOld = renderer;
8685         renderer = renderer->Clone();
8686         rendererOld->DecRef();
8687
8688         wxGridCellEditor *editor = GetEditor(index);
8689         wxGridCellEditor *editorOld = editor;
8690         editor = editor->Clone();
8691         editorOld->DecRef();
8692
8693         // do it even if there are no parameters to reset them to defaults
8694         wxString params = typeName.AfterFirst(wxT(':'));
8695         renderer->SetParameters(params);
8696         editor->SetParameters(params);
8697
8698         // register the new typename
8699         RegisterDataType(typeName, renderer, editor);
8700
8701         // we just registered it, it's the last one
8702         index = m_typeinfo.GetCount() - 1;
8703     }
8704
8705     return index;
8706 }
8707
8708 wxGridCellRenderer* wxGridTypeRegistry::GetRenderer(int index)
8709 {
8710     wxGridCellRenderer* renderer = m_typeinfo[index]->m_renderer;
8711     if (renderer)
8712         renderer->IncRef();
8713
8714     return renderer;
8715 }
8716
8717 wxGridCellEditor* wxGridTypeRegistry::GetEditor(int index)
8718 {
8719     wxGridCellEditor* editor = m_typeinfo[index]->m_editor;
8720     if (editor)
8721         editor->IncRef();
8722
8723     return editor;
8724 }
8725
8726 #endif // wxUSE_GRID