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 // For compilers that support precompilation, includes "wx/wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16     #pragma hdrstop
  17 #endif
  18
  19 #if wxUSE_GRID
  20
  21 #include "wx/grid.h"
  22
  23 #ifndef WX_PRECOMP
  24     #include "wx/utils.h"
  25     #include "wx/dcclient.h"
  26     #include "wx/settings.h"
  27     #include "wx/log.h"
  28     #include "wx/textctrl.h"
  29     #include "wx/checkbox.h"
  30     #include "wx/combobox.h"
  31     #include "wx/valtext.h"
  32     #include "wx/intl.h"
  33     #include "wx/math.h"
  34     #include "wx/listbox.h"
  35 #endif
  36
  37 #include "wx/textfile.h"
  38 #include "wx/spinctrl.h"
  39 #include "wx/tokenzr.h"
  40 #include "wx/renderer.h"
  41
  42 #include "wx/generic/gridsel.h"
  43
  44 const wxChar wxGridNameStr[] = wxT("grid");
  45
  46 #if defined(__WXMOTIF__)
  47     #define WXUNUSED_MOTIF(identifier)  WXUNUSED(identifier)
  48 #else
  49     #define WXUNUSED_MOTIF(identifier)  identifier
  50 #endif
  51
  52 #if defined(__WXGTK__)
  53     #define WXUNUSED_GTK(identifier)    WXUNUSED(identifier)
  54 #else
  55     #define WXUNUSED_GTK(identifier)    identifier
  56 #endif
  57
  58 // Required for wxIs... functions
  59 #include <ctype.h>
  60
  61 // ----------------------------------------------------------------------------
  62 // array classes
  63 // ----------------------------------------------------------------------------
  64
  65 WX_DEFINE_ARRAY_WITH_DECL_PTR(wxGridCellAttr *, wxArrayAttrs,
  66                                  class WXDLLIMPEXP_ADV);
  67
  68 struct wxGridCellWithAttr
  69 {
  70     wxGridCellWithAttr(int row, int col, wxGridCellAttr *attr_)
  71         : coords(row, col), attr(attr_)
  72     {
  73     }
  74
  75     ~wxGridCellWithAttr()
  76     {
  77         attr->DecRef();
  78     }
  79
  80     wxGridCellCoords coords;
  81     wxGridCellAttr  *attr;
  82
  83 // Cannot do this:
  84 //  DECLARE_NO_COPY_CLASS(wxGridCellWithAttr)
  85 // without rewriting the macros, which require a public copy constructor.
  86 };
  87
  88 WX_DECLARE_OBJARRAY_WITH_DECL(wxGridCellWithAttr, wxGridCellWithAttrArray,
  89                               class WXDLLIMPEXP_ADV);
  90
  91 #include "wx/arrimpl.cpp"
  92
  93 WX_DEFINE_OBJARRAY(wxGridCellCoordsArray)
  94 WX_DEFINE_OBJARRAY(wxGridCellWithAttrArray)
  95
  96 // ----------------------------------------------------------------------------
  97 // events
  98 // ----------------------------------------------------------------------------
  99
 100 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_LEFT_CLICK)
 101 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_RIGHT_CLICK)
 102 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_LEFT_DCLICK)
 103 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_RIGHT_DCLICK)
 104 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_BEGIN_DRAG)
 105 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_LEFT_CLICK)
 106 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_RIGHT_CLICK)
 107 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_LEFT_DCLICK)
 108 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_RIGHT_DCLICK)
 109 DEFINE_EVENT_TYPE(wxEVT_GRID_ROW_SIZE)
 110 DEFINE_EVENT_TYPE(wxEVT_GRID_COL_SIZE)
 111 DEFINE_EVENT_TYPE(wxEVT_GRID_COL_MOVE)
 112 DEFINE_EVENT_TYPE(wxEVT_GRID_RANGE_SELECT)
 113 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_CHANGE)
 114 DEFINE_EVENT_TYPE(wxEVT_GRID_SELECT_CELL)
 115 DEFINE_EVENT_TYPE(wxEVT_GRID_EDITOR_SHOWN)
 116 DEFINE_EVENT_TYPE(wxEVT_GRID_EDITOR_HIDDEN)
 117 DEFINE_EVENT_TYPE(wxEVT_GRID_EDITOR_CREATED)
 118
 119 // ----------------------------------------------------------------------------
 120 // private classes
 121 // ----------------------------------------------------------------------------
 122
 123 class WXDLLIMPEXP_ADV wxGridRowLabelWindow : public wxWindow
 124 {
 125 public:
 126     wxGridRowLabelWindow() { m_owner = (wxGrid *)NULL; }
 127     wxGridRowLabelWindow( wxGrid *parent, wxWindowID id,
 128                           const wxPoint &pos, const wxSize &size );
 129
 130 private:
 131     wxGrid   *m_owner;
 132
 133     void OnPaint( wxPaintEvent& event );
 134     void OnMouseEvent( wxMouseEvent& event );
 135     void OnMouseWheel( wxMouseEvent& event );
 136     void OnKeyDown( wxKeyEvent& event );
 137     void OnKeyUp( wxKeyEvent& );
 138     void OnChar( wxKeyEvent& );
 139
 140     DECLARE_DYNAMIC_CLASS(wxGridRowLabelWindow)
 141     DECLARE_EVENT_TABLE()
 142     DECLARE_NO_COPY_CLASS(wxGridRowLabelWindow)
 143 };
 144
 145
 146 class WXDLLIMPEXP_ADV wxGridColLabelWindow : public wxWindow
 147 {
 148 public:
 149     wxGridColLabelWindow() { m_owner = (wxGrid *)NULL; }
 150     wxGridColLabelWindow( wxGrid *parent, wxWindowID id,
 151                           const wxPoint &pos, const wxSize &size );
 152
 153 private:
 154     wxGrid   *m_owner;
 155
 156     void OnPaint( wxPaintEvent& event );
 157     void OnMouseEvent( wxMouseEvent& event );
 158     void OnMouseWheel( wxMouseEvent& event );
 159     void OnKeyDown( wxKeyEvent& event );
 160     void OnKeyUp( wxKeyEvent& );
 161     void OnChar( wxKeyEvent& );
 162
 163     DECLARE_DYNAMIC_CLASS(wxGridColLabelWindow)
 164     DECLARE_EVENT_TABLE()
 165     DECLARE_NO_COPY_CLASS(wxGridColLabelWindow)
 166 };
 167
 168
 169 class WXDLLIMPEXP_ADV wxGridCornerLabelWindow : public wxWindow
 170 {
 171 public:
 172     wxGridCornerLabelWindow() { m_owner = (wxGrid *)NULL; }
 173     wxGridCornerLabelWindow( wxGrid *parent, wxWindowID id,
 174                              const wxPoint &pos, const wxSize &size );
 175
 176 private:
 177     wxGrid *m_owner;
 178
 179     void OnMouseEvent( wxMouseEvent& event );
 180     void OnMouseWheel( wxMouseEvent& event );
 181     void OnKeyDown( wxKeyEvent& event );
 182     void OnKeyUp( wxKeyEvent& );
 183     void OnChar( wxKeyEvent& );
 184     void OnPaint( wxPaintEvent& event );
 185
 186     DECLARE_DYNAMIC_CLASS(wxGridCornerLabelWindow)
 187     DECLARE_EVENT_TABLE()
 188     DECLARE_NO_COPY_CLASS(wxGridCornerLabelWindow)
 189 };
 190
 191 class WXDLLIMPEXP_ADV wxGridWindow : public wxWindow
 192 {
 193 public:
 194     wxGridWindow()
 195     {
 196         m_owner = NULL;
 197         m_rowLabelWin = NULL;
 198         m_colLabelWin = NULL;
 199     }
 200
 201     wxGridWindow( wxGrid *parent,
 202                   wxGridRowLabelWindow *rowLblWin,
 203                   wxGridColLabelWindow *colLblWin,
 204                   wxWindowID id, const wxPoint &pos, const wxSize &size );
 205     virtual ~wxGridWindow() {}
 206
 207     void ScrollWindow( int dx, int dy, const wxRect *rect );
 208
 209     wxGrid* GetOwner() { return m_owner; }
 210
 211 private:
 212     wxGrid                   *m_owner;
 213     wxGridRowLabelWindow     *m_rowLabelWin;
 214     wxGridColLabelWindow     *m_colLabelWin;
 215
 216     void OnPaint( wxPaintEvent &event );
 217     void OnMouseWheel( wxMouseEvent& event );
 218     void OnMouseEvent( wxMouseEvent& event );
 219     void OnKeyDown( wxKeyEvent& );
 220     void OnKeyUp( wxKeyEvent& );
 221     void OnChar( wxKeyEvent& );
 222     void OnEraseBackground( wxEraseEvent& );
 223     void OnFocus( wxFocusEvent& );
 224
 225     DECLARE_DYNAMIC_CLASS(wxGridWindow)
 226     DECLARE_EVENT_TABLE()
 227     DECLARE_NO_COPY_CLASS(wxGridWindow)
 228 };
 229
 230
 231 class wxGridCellEditorEvtHandler : public wxEvtHandler
 232 {
 233 public:
 234     wxGridCellEditorEvtHandler(wxGrid* grid, wxGridCellEditor* editor)
 235         : m_grid(grid),
 236           m_editor(editor),
 237           m_inSetFocus(false)
 238     {
 239     }
 240
 241     void OnKillFocus(wxFocusEvent& event);
 242     void OnKeyDown(wxKeyEvent& event);
 243     void OnChar(wxKeyEvent& event);
 244
 245     void SetInSetFocus(bool inSetFocus) { m_inSetFocus = inSetFocus; }
 246
 247 private:
 248     wxGrid             *m_grid;
 249     wxGridCellEditor   *m_editor;
 250
 251     // Work around the fact that a focus kill event can be sent to
 252     // a combobox within a set focus event.
 253     bool                m_inSetFocus;
 254
 255     DECLARE_EVENT_TABLE()
 256     DECLARE_DYNAMIC_CLASS(wxGridCellEditorEvtHandler)
 257     DECLARE_NO_COPY_CLASS(wxGridCellEditorEvtHandler)
 258 };
 259
 260
 261 IMPLEMENT_ABSTRACT_CLASS(wxGridCellEditorEvtHandler, wxEvtHandler)
 262
 263 BEGIN_EVENT_TABLE( wxGridCellEditorEvtHandler, wxEvtHandler )
 264     EVT_KILL_FOCUS( wxGridCellEditorEvtHandler::OnKillFocus )
 265     EVT_KEY_DOWN( wxGridCellEditorEvtHandler::OnKeyDown )
 266     EVT_CHAR( wxGridCellEditorEvtHandler::OnChar )
 267 END_EVENT_TABLE()
 268
 269
 270 // ----------------------------------------------------------------------------
 271 // the internal data representation used by wxGridCellAttrProvider
 272 // ----------------------------------------------------------------------------
 273
 274 // this class stores attributes set for cells
 275 class WXDLLIMPEXP_ADV wxGridCellAttrData
 276 {
 277 public:
 278     void SetAttr(wxGridCellAttr *attr, int row, int col);
 279     wxGridCellAttr *GetAttr(int row, int col) const;
 280     void UpdateAttrRows( size_t pos, int numRows );
 281     void UpdateAttrCols( size_t pos, int numCols );
 282
 283 private:
 284     // searches for the attr for given cell, returns wxNOT_FOUND if not found
 285     int FindIndex(int row, int col) const;
 286
 287     wxGridCellWithAttrArray m_attrs;
 288 };
 289
 290 // this class stores attributes set for rows or columns
 291 class WXDLLIMPEXP_ADV wxGridRowOrColAttrData
 292 {
 293 public:
 294     // empty ctor to suppress warnings
 295     wxGridRowOrColAttrData() {}
 296     ~wxGridRowOrColAttrData();
 297
 298     void SetAttr(wxGridCellAttr *attr, int rowOrCol);
 299     wxGridCellAttr *GetAttr(int rowOrCol) const;
 300     void UpdateAttrRowsOrCols( size_t pos, int numRowsOrCols );
 301
 302 private:
 303     wxArrayInt m_rowsOrCols;
 304     wxArrayAttrs m_attrs;
 305 };
 306
 307 // NB: this is just a wrapper around 3 objects: one which stores cell
 308 //     attributes, and 2 others for row/col ones
 309 class WXDLLIMPEXP_ADV wxGridCellAttrProviderData
 310 {
 311 public:
 312     wxGridCellAttrData m_cellAttrs;
 313     wxGridRowOrColAttrData m_rowAttrs,
 314                            m_colAttrs;
 315 };
 316
 317
 318 // ----------------------------------------------------------------------------
 319 // data structures used for the data type registry
 320 // ----------------------------------------------------------------------------
 321
 322 struct wxGridDataTypeInfo
 323 {
 324     wxGridDataTypeInfo(const wxString& typeName,
 325                        wxGridCellRenderer* renderer,
 326                        wxGridCellEditor* editor)
 327         : m_typeName(typeName), m_renderer(renderer), m_editor(editor)
 328         {}
 329
 330     ~wxGridDataTypeInfo()
 331     {
 332         wxSafeDecRef(m_renderer);
 333         wxSafeDecRef(m_editor);
 334     }
 335
 336     wxString            m_typeName;
 337     wxGridCellRenderer* m_renderer;
 338     wxGridCellEditor*   m_editor;
 339
 340     DECLARE_NO_COPY_CLASS(wxGridDataTypeInfo)
 341 };
 342
 343
 344 WX_DEFINE_ARRAY_WITH_DECL_PTR(wxGridDataTypeInfo*, wxGridDataTypeInfoArray,
 345                                  class WXDLLIMPEXP_ADV);
 346
 347
 348 class WXDLLIMPEXP_ADV wxGridTypeRegistry
 349 {
 350 public:
 351   wxGridTypeRegistry() {}
 352     ~wxGridTypeRegistry();
 353
 354     void RegisterDataType(const wxString& typeName,
 355                      wxGridCellRenderer* renderer,
 356                      wxGridCellEditor* editor);
 357
 358     // find one of already registered data types
 359     int FindRegisteredDataType(const wxString& typeName);
 360
 361     // try to FindRegisteredDataType(), if this fails and typeName is one of
 362     // standard typenames, register it and return its index
 363     int FindDataType(const wxString& typeName);
 364
 365     // try to FindDataType(), if it fails see if it is not one of already
 366     // registered data types with some params in which case clone the
 367     // registered data type and set params for it
 368     int FindOrCloneDataType(const wxString& typeName);
 369
 370     wxGridCellRenderer* GetRenderer(int index);
 371     wxGridCellEditor*   GetEditor(int index);
 372
 373 private:
 374     wxGridDataTypeInfoArray m_typeinfo;
 375 };
 376
 377
 378 // ----------------------------------------------------------------------------
 379 // conditional compilation
 380 // ----------------------------------------------------------------------------
 381
 382 #ifndef WXGRID_DRAW_LINES
 383 #define WXGRID_DRAW_LINES 1
 384 #endif
 385
 386 // ----------------------------------------------------------------------------
 387 // globals
 388 // ----------------------------------------------------------------------------
 389
 390 //#define DEBUG_ATTR_CACHE
 391 #ifdef DEBUG_ATTR_CACHE
 392     static size_t gs_nAttrCacheHits = 0;
 393     static size_t gs_nAttrCacheMisses = 0;
 394 #endif
 395
 396 // ----------------------------------------------------------------------------
 397 // constants
 398 // ----------------------------------------------------------------------------
 399
 400 wxGridCellCoords wxGridNoCellCoords( -1, -1 );
 401 wxRect wxGridNoCellRect( -1, -1, -1, -1 );
 402
 403 // scroll line size
 404 // TODO: this doesn't work at all, grid cells have different sizes and approx
 405 //       calculations don't work as because of the size mismatch scrollbars
 406 //       sometimes fail to be shown when they should be or vice versa
 407 //
 408 //       The scroll bars may be a little flakey once in a while, but that is
 409 //       surely much less horrible than having scroll lines of only 1!!!
 410 //       -- Robin
 411 //
 412 //       Well, it's still seriously broken so it might be better but needs
 413 //       fixing anyhow
 414 //       -- Vadim
 415 static const size_t GRID_SCROLL_LINE_X = 15;  // 1;
 416 static const size_t GRID_SCROLL_LINE_Y = GRID_SCROLL_LINE_X;
 417
 418 // the size of hash tables used a bit everywhere (the max number of elements
 419 // in these hash tables is the number of rows/columns)
 420 static const int GRID_HASH_SIZE = 100;
 421
 422 #if 0
 423 // ----------------------------------------------------------------------------
 424 // private functions
 425 // ----------------------------------------------------------------------------
 426
 427 static inline int GetScrollX(int x)
 428 {
 429     return (x + GRID_SCROLL_LINE_X - 1) / GRID_SCROLL_LINE_X;
 430 }
 431
 432 static inline int GetScrollY(int y)
 433 {
 434     return (y + GRID_SCROLL_LINE_Y - 1) / GRID_SCROLL_LINE_Y;
 435 }
 436 #endif
 437
 438 // ============================================================================
 439 // implementation
 440 // ============================================================================
 441
 442 // ----------------------------------------------------------------------------
 443 // wxGridCellEditor
 444 // ----------------------------------------------------------------------------
 445
 446 wxGridCellEditor::wxGridCellEditor()
 447 {
 448     m_control = NULL;
 449     m_attr = NULL;
 450 }
 451
 452 wxGridCellEditor::~wxGridCellEditor()
 453 {
 454     Destroy();
 455 }
 456
 457 void wxGridCellEditor::Create(wxWindow* WXUNUSED(parent),
 458                               wxWindowID WXUNUSED(id),
 459                               wxEvtHandler* evtHandler)
 460 {
 461     if ( evtHandler )
 462         m_control->PushEventHandler(evtHandler);
 463 }
 464
 465 void wxGridCellEditor::PaintBackground(const wxRect& rectCell,
 466                                        wxGridCellAttr *attr)
 467 {
 468     // erase the background because we might not fill the cell
 469     wxClientDC dc(m_control->GetParent());
 470     wxGridWindow* gridWindow = wxDynamicCast(m_control->GetParent(), wxGridWindow);
 471     if (gridWindow)
 472         gridWindow->GetOwner()->PrepareDC(dc);
 473
 474     dc.SetPen(*wxTRANSPARENT_PEN);
 475     dc.SetBrush(wxBrush(attr->GetBackgroundColour(), wxSOLID));
 476     dc.DrawRectangle(rectCell);
 477
 478     // redraw the control we just painted over
 479     m_control->Refresh();
 480 }
 481
 482 void wxGridCellEditor::Destroy()
 483 {
 484     if (m_control)
 485     {
 486         m_control->PopEventHandler( true /* delete it*/ );
 487
 488         m_control->Destroy();
 489         m_control = NULL;
 490     }
 491 }
 492
 493 void wxGridCellEditor::Show(bool show, wxGridCellAttr *attr)
 494 {
 495     wxASSERT_MSG(m_control, wxT("The wxGridCellEditor must be created first!"));
 496
 497     m_control->Show(show);
 498
 499     if ( show )
 500     {
 501         // set the colours/fonts if we have any
 502         if ( attr )
 503         {
 504             m_colFgOld = m_control->GetForegroundColour();
 505             m_control->SetForegroundColour(attr->GetTextColour());
 506
 507             m_colBgOld = m_control->GetBackgroundColour();
 508             m_control->SetBackgroundColour(attr->GetBackgroundColour());
 509
 510 // Workaround for GTK+1 font setting problem on some platforms
 511 #if !defined(__WXGTK__) || defined(__WXGTK20__)
 512             m_fontOld = m_control->GetFont();
 513             m_control->SetFont(attr->GetFont());
 514 #endif
 515
 516             // can't do anything more in the base class version, the other
 517             // attributes may only be used by the derived classes
 518         }
 519     }
 520     else
 521     {
 522         // restore the standard colours fonts
 523         if ( m_colFgOld.Ok() )
 524         {
 525             m_control->SetForegroundColour(m_colFgOld);
 526             m_colFgOld = wxNullColour;
 527         }
 528
 529         if ( m_colBgOld.Ok() )
 530         {
 531             m_control->SetBackgroundColour(m_colBgOld);
 532             m_colBgOld = wxNullColour;
 533         }
 534
 535 // Workaround for GTK+1 font setting problem on some platforms
 536 #if !defined(__WXGTK__) || defined(__WXGTK20__)
 537         if ( m_fontOld.Ok() )
 538         {
 539             m_control->SetFont(m_fontOld);
 540             m_fontOld = wxNullFont;
 541         }
 542 #endif
 543     }
 544 }
 545
 546 void wxGridCellEditor::SetSize(const wxRect& rect)
 547 {
 548     wxASSERT_MSG(m_control, wxT("The wxGridCellEditor must be created first!"));
 549
 550     m_control->SetSize(rect, wxSIZE_ALLOW_MINUS_ONE);
 551 }
 552
 553 void wxGridCellEditor::HandleReturn(wxKeyEvent& event)
 554 {
 555     event.Skip();
 556 }
 557
 558 bool wxGridCellEditor::IsAcceptedKey(wxKeyEvent& event)
 559 {
 560     bool ctrl = event.ControlDown();
 561     bool alt  = event.AltDown();
 562
 563 #ifdef __WXMAC__
 564     // On the Mac the Alt key is more like shift and is used for entry of
 565     // valid characters, so check for Ctrl and Meta instead.
 566     alt = event.MetaDown();
 567 #endif
 568
 569     // Assume it's not a valid char if ctrl or alt is down, but if both are
 570     // down then it may be because of an AltGr key combination, so let them
 571     // through in that case.
 572     if ((ctrl || alt) && !(ctrl && alt))
 573         return false;
 574
 575     int key = 0;
 576     bool keyOk = true;
 577
 578 #ifdef __WXGTK20__
 579     // If it's a F-Key or other special key then it shouldn't start the
 580     // editor.
 581     if (event.GetKeyCode() >= WXK_START)
 582         return false;
 583 #endif
 584 #if wxUSE_UNICODE
 585     // if the unicode key code is not really a unicode character (it may
 586     // be a function key or etc., the platforms appear to always give us a
 587     // small value in this case) then fallback to the ASCII key code but
 588     // don't do anything for function keys or etc.
 589     key = event.GetUnicodeKey();
 590     if (key <= 127)
 591     {
 592         key = event.GetKeyCode();
 593         keyOk = (key <= 127);
 594     }
 595 #else
 596     key = event.GetKeyCode();
 597     keyOk = (key <= 255);
 598 #endif
 599
 600     return keyOk;
 601 }
 602
 603 void wxGridCellEditor::StartingKey(wxKeyEvent& event)
 604 {
 605     event.Skip();
 606 }
 607
 608 void wxGridCellEditor::StartingClick()
 609 {
 610 }
 611
 612 #if wxUSE_TEXTCTRL
 613
 614 // ----------------------------------------------------------------------------
 615 // wxGridCellTextEditor
 616 // ----------------------------------------------------------------------------
 617
 618 wxGridCellTextEditor::wxGridCellTextEditor()
 619 {
 620     m_maxChars = 0;
 621 }
 622
 623 void wxGridCellTextEditor::Create(wxWindow* parent,
 624                                   wxWindowID id,
 625                                   wxEvtHandler* evtHandler)
 626 {
 627     m_control = new wxTextCtrl(parent, id, wxEmptyString,
 628                                wxDefaultPosition, wxDefaultSize
 629 #if defined(__WXMSW__)
 630                                , wxTE_PROCESS_TAB | wxTE_AUTO_SCROLL | wxNO_BORDER
 631 #endif
 632                               );
 633
 634     // set max length allowed in the textctrl, if the parameter was set
 635     if (m_maxChars != 0)
 636     {
 637         ((wxTextCtrl*)m_control)->SetMaxLength(m_maxChars);
 638     }
 639
 640     wxGridCellEditor::Create(parent, id, evtHandler);
 641 }
 642
 643 void wxGridCellTextEditor::PaintBackground(const wxRect& WXUNUSED(rectCell),
 644                                            wxGridCellAttr * WXUNUSED(attr))
 645 {
 646     // as we fill the entire client area,
 647     // don't do anything here to minimize flicker
 648 }
 649
 650 void wxGridCellTextEditor::SetSize(const wxRect& rectOrig)
 651 {
 652     wxRect rect(rectOrig);
 653
 654     // Make the edit control large enough to allow for internal margins
 655     //
 656     // TODO: remove this if the text ctrl sizing is improved esp. for unix
 657     //
 658 #if defined(__WXGTK__)
 659     if (rect.x != 0)
 660     {
 661         rect.x += 1;
 662         rect.y += 1;
 663         rect.width -= 1;
 664         rect.height -= 1;
 665     }
 666 #elif defined(__WXMSW__)
 667     if ( rect.x == 0 )
 668         rect.x += 2;
 669     else
 670         rect.x += 3;
 671
 672     if ( rect.y == 0 )
 673         rect.y += 2;
 674     else
 675         rect.y += 3;
 676
 677     rect.width -= 2;
 678     rect.height -= 2;
 679 #else
 680     int extra_x = ( rect.x > 2 ) ? 2 : 1;
 681     int extra_y = ( rect.y > 2 ) ? 2 : 1;
 682
 683     #if defined(__WXMOTIF__)
 684         extra_x *= 2;
 685         extra_y *= 2;
 686     #endif
 687
 688     rect.SetLeft( wxMax(0, rect.x - extra_x) );
 689     rect.SetTop( wxMax(0, rect.y - extra_y) );
 690     rect.SetRight( rect.GetRight() + 2 * extra_x );
 691     rect.SetBottom( rect.GetBottom() + 2 * extra_y );
 692 #endif
 693
 694     wxGridCellEditor::SetSize(rect);
 695 }
 696
 697 void wxGridCellTextEditor::BeginEdit(int row, int col, wxGrid* grid)
 698 {
 699     wxASSERT_MSG(m_control, wxT("The wxGridCellEditor must be created first!"));
 700
 701     m_startValue = grid->GetTable()->GetValue(row, col);
 702
 703     DoBeginEdit(m_startValue);
 704 }
 705
 706 void wxGridCellTextEditor::DoBeginEdit(const wxString& startValue)
 707 {
 708     Text()->SetValue(startValue);
 709     Text()->SetInsertionPointEnd();
 710     Text()->SetSelection(-1, -1);
 711     Text()->SetFocus();
 712 }
 713
 714 bool wxGridCellTextEditor::EndEdit(int row, int col, wxGrid* grid)
 715 {
 716     wxASSERT_MSG(m_control, wxT("The wxGridCellEditor must be created first!"));
 717
 718     bool changed = false;
 719     wxString value = Text()->GetValue();
 720     if (value != m_startValue)
 721         changed = true;
 722
 723     if (changed)
 724         grid->GetTable()->SetValue(row, col, value);
 725
 726     m_startValue = wxEmptyString;
 727
 728     // No point in setting the text of the hidden control
 729     //Text()->SetValue(m_startValue);
 730
 731     return changed;
 732 }
 733
 734 void wxGridCellTextEditor::Reset()
 735 {
 736     wxASSERT_MSG(m_control, wxT("The wxGridCellEditor must be created first!"));
 737
 738     DoReset(m_startValue);
 739 }
 740
 741 void wxGridCellTextEditor::DoReset(const wxString& startValue)
 742 {
 743     Text()->SetValue(startValue);
 744     Text()->SetInsertionPointEnd();
 745 }
 746
 747 bool wxGridCellTextEditor::IsAcceptedKey(wxKeyEvent& event)
 748 {
 749     return wxGridCellEditor::IsAcceptedKey(event);
 750 }
 751
 752 void wxGridCellTextEditor::StartingKey(wxKeyEvent& event)
 753 {
 754     // Since this is now happening in the EVT_CHAR event EmulateKeyPress is no
 755     // longer an appropriate way to get the character into the text control.
 756     // Do it ourselves instead.  We know that if we get this far that we have
 757     // a valid character, so not a whole lot of testing needs to be done.
 758
 759     wxTextCtrl* tc = Text();
 760     wxChar ch;
 761     long pos;
 762
 763 #if wxUSE_UNICODE
 764     ch = event.GetUnicodeKey();
 765     if (ch <= 127)
 766         ch = (wxChar)event.GetKeyCode();
 767 #else
 768     ch = (wxChar)event.GetKeyCode();
 769 #endif
 770
 771     switch (ch)
 772     {
 773         case WXK_DELETE:
 774             // delete the character at the cursor
 775             pos = tc->GetInsertionPoint();
 776             if (pos < tc->GetLastPosition())
 777                 tc->Remove(pos, pos + 1);
 778             break;
 779
 780         case WXK_BACK:
 781             // delete the character before the cursor
 782             pos = tc->GetInsertionPoint();
 783             if (pos > 0)
 784                 tc->Remove(pos - 1, pos);
 785             break;
 786
 787         default:
 788             tc->WriteText(ch);
 789             break;
 790     }
 791 }
 792
 793 void wxGridCellTextEditor::HandleReturn( wxKeyEvent&
 794                                          WXUNUSED_GTK(WXUNUSED_MOTIF(event)) )
 795 {
 796 #if defined(__WXMOTIF__) || defined(__WXGTK__)
 797     // wxMotif needs a little extra help...
 798     size_t pos = (size_t)( Text()->GetInsertionPoint() );
 799     wxString s( Text()->GetValue() );
 800     s = s.Left(pos) + wxT("\n") + s.Mid(pos);
 801     Text()->SetValue(s);
 802     Text()->SetInsertionPoint( pos );
 803 #else
 804     // the other ports can handle a Return key press
 805     //
 806     event.Skip();
 807 #endif
 808 }
 809
 810 void wxGridCellTextEditor::SetParameters(const wxString& params)
 811 {
 812     if ( !params )
 813     {
 814         // reset to default
 815         m_maxChars = 0;
 816     }
 817     else
 818     {
 819         long tmp;
 820         if ( params.ToLong(&tmp) )
 821         {
 822             m_maxChars = (size_t)tmp;
 823         }
 824         else
 825         {
 826             wxLogDebug( _T("Invalid wxGridCellTextEditor parameter string '%s' ignored"), params.c_str() );
 827         }
 828     }
 829 }
 830
 831 // return the value in the text control
 832 wxString wxGridCellTextEditor::GetValue() const
 833 {
 834     return Text()->GetValue();
 835 }
 836
 837 // ----------------------------------------------------------------------------
 838 // wxGridCellNumberEditor
 839 // ----------------------------------------------------------------------------
 840
 841 wxGridCellNumberEditor::wxGridCellNumberEditor(int min, int max)
 842 {
 843     m_min = min;
 844     m_max = max;
 845 }
 846
 847 void wxGridCellNumberEditor::Create(wxWindow* parent,
 848                                     wxWindowID id,
 849                                     wxEvtHandler* evtHandler)
 850 {
 851 #if wxUSE_SPINCTRL
 852     if ( HasRange() )
 853     {
 854         // create a spin ctrl
 855         m_control = new wxSpinCtrl(parent, wxID_ANY, wxEmptyString,
 856                                    wxDefaultPosition, wxDefaultSize,
 857                                    wxSP_ARROW_KEYS,
 858                                    m_min, m_max);
 859
 860         wxGridCellEditor::Create(parent, id, evtHandler);
 861     }
 862     else
 863 #endif
 864     {
 865         // just a text control
 866         wxGridCellTextEditor::Create(parent, id, evtHandler);
 867
 868 #if wxUSE_VALIDATORS
 869         Text()->SetValidator(wxTextValidator(wxFILTER_NUMERIC));
 870 #endif
 871     }
 872 }
 873
 874 void wxGridCellNumberEditor::BeginEdit(int row, int col, wxGrid* grid)
 875 {
 876     // first get the value
 877     wxGridTableBase *table = grid->GetTable();
 878     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_NUMBER) )
 879     {
 880         m_valueOld = table->GetValueAsLong(row, col);
 881     }
 882     else
 883     {
 884         m_valueOld = 0;
 885         wxString sValue = table->GetValue(row, col);
 886         if (! sValue.ToLong(&m_valueOld) && ! sValue.empty())
 887         {
 888             wxFAIL_MSG( _T("this cell doesn't have numeric value") );
 889             return;
 890         }
 891     }
 892
 893 #if wxUSE_SPINCTRL
 894     if ( HasRange() )
 895     {
 896         Spin()->SetValue((int)m_valueOld);
 897         Spin()->SetFocus();
 898     }
 899     else
 900 #endif
 901     {
 902         DoBeginEdit(GetString());
 903     }
 904 }
 905
 906 bool wxGridCellNumberEditor::EndEdit(int row, int col,
 907                                      wxGrid* grid)
 908 {
 909     bool changed;
 910     long value = 0;
 911     wxString text;
 912
 913 #if wxUSE_SPINCTRL
 914     if ( HasRange() )
 915     {
 916         value = Spin()->GetValue();
 917         changed = value != m_valueOld;
 918         if (changed)
 919             text = wxString::Format(wxT("%ld"), value);
 920     }
 921     else
 922 #endif
 923     {
 924         text = Text()->GetValue();
 925         changed = (text.empty() || text.ToLong(&value)) && (value != m_valueOld);
 926     }
 927
 928     if ( changed )
 929     {
 930         if (grid->GetTable()->CanSetValueAs(row, col, wxGRID_VALUE_NUMBER))
 931             grid->GetTable()->SetValueAsLong(row, col, value);
 932         else
 933             grid->GetTable()->SetValue(row, col, text);
 934     }
 935
 936     return changed;
 937 }
 938
 939 void wxGridCellNumberEditor::Reset()
 940 {
 941 #if wxUSE_SPINCTRL
 942     if ( HasRange() )
 943     {
 944         Spin()->SetValue((int)m_valueOld);
 945     }
 946     else
 947 #endif
 948     {
 949         DoReset(GetString());
 950     }
 951 }
 952
 953 bool wxGridCellNumberEditor::IsAcceptedKey(wxKeyEvent& event)
 954 {
 955     if ( wxGridCellEditor::IsAcceptedKey(event) )
 956     {
 957         int keycode = event.GetKeyCode();
 958         if ( (keycode < 128) &&
 959              (wxIsdigit(keycode) || keycode == '+' || keycode == '-'))
 960         {
 961             return true;
 962         }
 963     }
 964
 965     return false;
 966 }
 967
 968 void wxGridCellNumberEditor::StartingKey(wxKeyEvent& event)
 969 {
 970     int keycode = event.GetKeyCode();
 971     if ( !HasRange() )
 972     {
 973         if ( wxIsdigit(keycode) || keycode == '+' || keycode == '-')
 974         {
 975             wxGridCellTextEditor::StartingKey(event);
 976
 977             // skip Skip() below
 978             return;
 979         }
 980     }
 981 #if wxUSE_SPINCTRL
 982     else
 983     {
 984         if ( wxIsdigit(keycode) )
 985         {
 986             wxSpinCtrl* spin = (wxSpinCtrl*)m_control;
 987             spin->SetValue(keycode - '0');
 988             spin->SetSelection(1,1);
 989             return;
 990         }
 991     }
 992 #endif
 993
 994     event.Skip();
 995 }
 996
 997 void wxGridCellNumberEditor::SetParameters(const wxString& params)
 998 {
 999     if ( !params )
1000     {
1001         // reset to default
1002         m_min =
1003         m_max = -1;
1004     }
1005     else
1006     {
1007         long tmp;
1008         if ( params.BeforeFirst(_T(',')).ToLong(&tmp) )
1009         {
1010             m_min = (int)tmp;
1011
1012             if ( params.AfterFirst(_T(',')).ToLong(&tmp) )
1013             {
1014                 m_max = (int)tmp;
1015
1016                 // skip the error message below
1017                 return;
1018             }
1019         }
1020
1021         wxLogDebug(_T("Invalid wxGridCellNumberEditor parameter string '%s' ignored"), params.c_str());
1022     }
1023 }
1024
1025 // return the value in the spin control if it is there (the text control otherwise)
1026 wxString wxGridCellNumberEditor::GetValue() const
1027 {
1028     wxString s;
1029
1030 #if wxUSE_SPINCTRL
1031     if ( HasRange() )
1032     {
1033         long value = Spin()->GetValue();
1034         s.Printf(wxT("%ld"), value);
1035     }
1036     else
1037 #endif
1038     {
1039         s = Text()->GetValue();
1040     }
1041
1042     return s;
1043 }
1044
1045 // ----------------------------------------------------------------------------
1046 // wxGridCellFloatEditor
1047 // ----------------------------------------------------------------------------
1048
1049 wxGridCellFloatEditor::wxGridCellFloatEditor(int width, int precision)
1050 {
1051     m_width = width;
1052     m_precision = precision;
1053 }
1054
1055 void wxGridCellFloatEditor::Create(wxWindow* parent,
1056                                    wxWindowID id,
1057                                    wxEvtHandler* evtHandler)
1058 {
1059     wxGridCellTextEditor::Create(parent, id, evtHandler);
1060
1061 #if wxUSE_VALIDATORS
1062     Text()->SetValidator(wxTextValidator(wxFILTER_NUMERIC));
1063 #endif
1064 }
1065
1066 void wxGridCellFloatEditor::BeginEdit(int row, int col, wxGrid* grid)
1067 {
1068     // first get the value
1069     wxGridTableBase *table = grid->GetTable();
1070     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_FLOAT) )
1071     {
1072         m_valueOld = table->GetValueAsDouble(row, col);
1073     }
1074     else
1075     {
1076         m_valueOld = 0.0;
1077         wxString sValue = table->GetValue(row, col);
1078         if (! sValue.ToDouble(&m_valueOld) && ! sValue.empty())
1079         {
1080             wxFAIL_MSG( _T("this cell doesn't have float value") );
1081             return;
1082         }
1083     }
1084
1085     DoBeginEdit(GetString());
1086 }
1087
1088 bool wxGridCellFloatEditor::EndEdit(int row, int col,
1089                                      wxGrid* grid)
1090 {
1091     double value = 0.0;
1092     wxString text(Text()->GetValue());
1093
1094     if ( (text.empty() || text.ToDouble(&value)) &&
1095             !wxIsSameDouble(value, m_valueOld) )
1096     {
1097         if (grid->GetTable()->CanSetValueAs(row, col, wxGRID_VALUE_FLOAT))
1098             grid->GetTable()->SetValueAsDouble(row, col, value);
1099         else
1100             grid->GetTable()->SetValue(row, col, text);
1101
1102         return true;
1103     }
1104
1105     return false;
1106 }
1107
1108 void wxGridCellFloatEditor::Reset()
1109 {
1110     DoReset(GetString());
1111 }
1112
1113 void wxGridCellFloatEditor::StartingKey(wxKeyEvent& event)
1114 {
1115     int keycode = event.GetKeyCode();
1116     char tmpbuf[2];
1117     tmpbuf[0] = (char) keycode;
1118     tmpbuf[1] = '\0';
1119     wxString strbuf(tmpbuf, *wxConvCurrent);
1120
1121 #if wxUSE_INTL
1122     bool is_decimal_point = ( strbuf ==
1123        wxLocale::GetInfo(wxLOCALE_DECIMAL_POINT, wxLOCALE_CAT_NUMBER) );
1124 #else
1125     bool is_decimal_point = ( strbuf == _T(".") );
1126 #endif
1127
1128     if ( wxIsdigit(keycode) || keycode == '+' || keycode == '-'
1129          || is_decimal_point )
1130     {
1131         wxGridCellTextEditor::StartingKey(event);
1132
1133         // skip Skip() below
1134         return;
1135     }
1136
1137     event.Skip();
1138 }
1139
1140 void wxGridCellFloatEditor::SetParameters(const wxString& params)
1141 {
1142     if ( !params )
1143     {
1144         // reset to default
1145         m_width =
1146         m_precision = -1;
1147     }
1148     else
1149     {
1150         long tmp;
1151         if ( params.BeforeFirst(_T(',')).ToLong(&tmp) )
1152         {
1153             m_width = (int)tmp;
1154
1155             if ( params.AfterFirst(_T(',')).ToLong(&tmp) )
1156             {
1157                 m_precision = (int)tmp;
1158
1159                 // skip the error message below
1160                 return;
1161             }
1162         }
1163
1164         wxLogDebug(_T("Invalid wxGridCellFloatEditor parameter string '%s' ignored"), params.c_str());
1165     }
1166 }
1167
1168 wxString wxGridCellFloatEditor::GetString() const
1169 {
1170     wxString fmt;
1171     if ( m_precision == -1 && m_width != -1)
1172     {
1173         // default precision
1174         fmt.Printf(_T("%%%d.f"), m_width);
1175     }
1176     else if ( m_precision != -1 && m_width == -1)
1177     {
1178         // default width
1179         fmt.Printf(_T("%%.%df"), m_precision);
1180     }
1181     else if ( m_precision != -1 && m_width != -1 )
1182     {
1183         fmt.Printf(_T("%%%d.%df"), m_width, m_precision);
1184     }
1185     else
1186     {
1187         // default width/precision
1188         fmt = _T("%f");
1189     }
1190
1191     return wxString::Format(fmt, m_valueOld);
1192 }
1193
1194 bool wxGridCellFloatEditor::IsAcceptedKey(wxKeyEvent& event)
1195 {
1196     if ( wxGridCellEditor::IsAcceptedKey(event) )
1197     {
1198         const int keycode = event.GetKeyCode();
1199         if ( isascii(keycode) )
1200         {
1201             char tmpbuf[2];
1202             tmpbuf[0] = (char) keycode;
1203             tmpbuf[1] = '\0';
1204             wxString strbuf(tmpbuf, *wxConvCurrent);
1205
1206 #if wxUSE_INTL
1207             const wxString decimalPoint =
1208                 wxLocale::GetInfo(wxLOCALE_DECIMAL_POINT, wxLOCALE_CAT_NUMBER);
1209 #else
1210             const wxString decimalPoint(_T('.'));
1211 #endif
1212
1213             // accept digits, 'e' as in '1e+6', also '-', '+', and '.'
1214             if ( wxIsdigit(keycode) ||
1215                     tolower(keycode) == 'e' ||
1216                         keycode == decimalPoint ||
1217                             keycode == '+' ||
1218                                 keycode == '-' )
1219             {
1220                 return true;
1221             }
1222         }
1223     }
1224
1225     return false;
1226 }
1227
1228 #endif // wxUSE_TEXTCTRL
1229
1230 #if wxUSE_CHECKBOX
1231
1232 // ----------------------------------------------------------------------------
1233 // wxGridCellBoolEditor
1234 // ----------------------------------------------------------------------------
1235
1236 void wxGridCellBoolEditor::Create(wxWindow* parent,
1237                                   wxWindowID id,
1238                                   wxEvtHandler* evtHandler)
1239 {
1240     m_control = new wxCheckBox(parent, id, wxEmptyString,
1241                                wxDefaultPosition, wxDefaultSize,
1242                                wxNO_BORDER);
1243
1244     wxGridCellEditor::Create(parent, id, evtHandler);
1245 }
1246
1247 void wxGridCellBoolEditor::SetSize(const wxRect& r)
1248 {
1249     bool resize = false;
1250     wxSize size = m_control->GetSize();
1251     wxCoord minSize = wxMin(r.width, r.height);
1252
1253     // check if the checkbox is not too big/small for this cell
1254     wxSize sizeBest = m_control->GetBestSize();
1255     if ( !(size == sizeBest) )
1256     {
1257         // reset to default size if it had been made smaller
1258         size = sizeBest;
1259
1260         resize = true;
1261     }
1262
1263     if ( size.x >= minSize || size.y >= minSize )
1264     {
1265         // leave 1 pixel margin
1266         size.x = size.y = minSize - 2;
1267
1268         resize = true;
1269     }
1270
1271     if ( resize )
1272     {
1273         m_control->SetSize(size);
1274     }
1275
1276     // position it in the centre of the rectangle (TODO: support alignment?)
1277
1278 #if defined(__WXGTK__) || defined (__WXMOTIF__)
1279     // the checkbox without label still has some space to the right in wxGTK,
1280     // so shift it to the right
1281     size.x -= 8;
1282 #elif defined(__WXMSW__)
1283     // here too, but in other way
1284     size.x += 1;
1285     size.y -= 2;
1286 #endif
1287
1288     int hAlign = wxALIGN_CENTRE;
1289     int vAlign = wxALIGN_CENTRE;
1290     if (GetCellAttr())
1291         GetCellAttr()->GetAlignment(& hAlign, & vAlign);
1292
1293     int x = 0, y = 0;
1294     if (hAlign == wxALIGN_LEFT)
1295     {
1296         x = r.x + 2;
1297
1298 #ifdef __WXMSW__
1299         x += 2;
1300 #endif
1301
1302         y = r.y + r.height / 2 - size.y / 2;
1303     }
1304     else if (hAlign == wxALIGN_RIGHT)
1305     {
1306         x = r.x + r.width - size.x - 2;
1307         y = r.y + r.height / 2 - size.y / 2;
1308     }
1309     else if (hAlign == wxALIGN_CENTRE)
1310     {
1311         x = r.x + r.width / 2 - size.x / 2;
1312         y = r.y + r.height / 2 - size.y / 2;
1313     }
1314
1315     m_control->Move(x, y);
1316 }
1317
1318 void wxGridCellBoolEditor::Show(bool show, wxGridCellAttr *attr)
1319 {
1320     m_control->Show(show);
1321
1322     if ( show )
1323     {
1324         wxColour colBg = attr ? attr->GetBackgroundColour() : *wxLIGHT_GREY;
1325         CBox()->SetBackgroundColour(colBg);
1326     }
1327 }
1328
1329 void wxGridCellBoolEditor::BeginEdit(int row, int col, wxGrid* grid)
1330 {
1331     wxASSERT_MSG(m_control,
1332                  wxT("The wxGridCellEditor must be created first!"));
1333
1334     if (grid->GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL))
1335     {
1336         m_startValue = grid->GetTable()->GetValueAsBool(row, col);
1337     }
1338     else
1339     {
1340         wxString cellval( grid->GetTable()->GetValue(row, col) );
1341         m_startValue = !( !cellval || (cellval == wxT("0")) );
1342     }
1343
1344     CBox()->SetValue(m_startValue);
1345     CBox()->SetFocus();
1346 }
1347
1348 bool wxGridCellBoolEditor::EndEdit(int row, int col,
1349                                    wxGrid* grid)
1350 {
1351     wxASSERT_MSG(m_control,
1352                  wxT("The wxGridCellEditor must be created first!"));
1353
1354     bool changed = false;
1355     bool value = CBox()->GetValue();
1356     if ( value != m_startValue )
1357         changed = true;
1358
1359     if ( changed )
1360     {
1361         if (grid->GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL))
1362             grid->GetTable()->SetValueAsBool(row, col, value);
1363         else
1364             grid->GetTable()->SetValue(row, col, value ? _T("1") : wxEmptyString);
1365     }
1366
1367     return changed;
1368 }
1369
1370 void wxGridCellBoolEditor::Reset()
1371 {
1372     wxASSERT_MSG(m_control,
1373                  wxT("The wxGridCellEditor must be created first!"));
1374
1375     CBox()->SetValue(m_startValue);
1376 }
1377
1378 void wxGridCellBoolEditor::StartingClick()
1379 {
1380     CBox()->SetValue(!CBox()->GetValue());
1381 }
1382
1383 bool wxGridCellBoolEditor::IsAcceptedKey(wxKeyEvent& event)
1384 {
1385     if ( wxGridCellEditor::IsAcceptedKey(event) )
1386     {
1387         int keycode = event.GetKeyCode();
1388         switch ( keycode )
1389         {
1390             case WXK_SPACE:
1391             case '+':
1392             case '-':
1393                 return true;
1394         }
1395     }
1396
1397     return false;
1398 }
1399
1400 void wxGridCellBoolEditor::StartingKey(wxKeyEvent& event)
1401 {
1402     int keycode = event.GetKeyCode();
1403     switch ( keycode )
1404     {
1405         case WXK_SPACE:
1406             CBox()->SetValue(!CBox()->GetValue());
1407             break;
1408
1409         case '+':
1410             CBox()->SetValue(true);
1411             break;
1412
1413         case '-':
1414             CBox()->SetValue(false);
1415             break;
1416     }
1417 }
1418
1419
1420 // return the value as "1" for true and the empty string for false
1421 wxString wxGridCellBoolEditor::GetValue() const
1422 {
1423   bool bSet = CBox()->GetValue();
1424   return bSet ? _T("1") : wxEmptyString;
1425 }
1426
1427 #endif // wxUSE_CHECKBOX
1428
1429 #if wxUSE_COMBOBOX
1430
1431 // ----------------------------------------------------------------------------
1432 // wxGridCellChoiceEditor
1433 // ----------------------------------------------------------------------------
1434
1435 wxGridCellChoiceEditor::wxGridCellChoiceEditor(const wxArrayString& choices,
1436                                                bool allowOthers)
1437     : m_choices(choices),
1438       m_allowOthers(allowOthers) { }
1439
1440 wxGridCellChoiceEditor::wxGridCellChoiceEditor(size_t count,
1441                                                const wxString choices[],
1442                                                bool allowOthers)
1443                       : m_allowOthers(allowOthers)
1444 {
1445     if ( count )
1446     {
1447         m_choices.Alloc(count);
1448         for ( size_t n = 0; n < count; n++ )
1449         {
1450             m_choices.Add(choices[n]);
1451         }
1452     }
1453 }
1454
1455 wxGridCellEditor *wxGridCellChoiceEditor::Clone() const
1456 {
1457     wxGridCellChoiceEditor *editor = new wxGridCellChoiceEditor;
1458     editor->m_allowOthers = m_allowOthers;
1459     editor->m_choices = m_choices;
1460
1461     return editor;
1462 }
1463
1464 void wxGridCellChoiceEditor::Create(wxWindow* parent,
1465                                     wxWindowID id,
1466                                     wxEvtHandler* evtHandler)
1467 {
1468     m_control = new wxComboBox(parent, id, wxEmptyString,
1469                                wxDefaultPosition, wxDefaultSize,
1470                                m_choices,
1471                                m_allowOthers ? 0 : wxCB_READONLY);
1472
1473     wxGridCellEditor::Create(parent, id, evtHandler);
1474 }
1475
1476 void wxGridCellChoiceEditor::PaintBackground(const wxRect& rectCell,
1477                                              wxGridCellAttr * attr)
1478 {
1479     // as we fill the entire client area, don't do anything here to minimize
1480     // flicker
1481
1482     // TODO: It doesn't actually fill the client area since the height of a
1483     // combo always defaults to the standard.  Until someone has time to
1484     // figure out the right rectangle to paint, just do it the normal way.
1485     wxGridCellEditor::PaintBackground(rectCell, attr);
1486 }
1487
1488 void wxGridCellChoiceEditor::BeginEdit(int row, int col, wxGrid* grid)
1489 {
1490     wxASSERT_MSG(m_control,
1491                  wxT("The wxGridCellEditor must be created first!"));
1492
1493     wxGridCellEditorEvtHandler* evtHandler = NULL;
1494     if (m_control)
1495         evtHandler = wxDynamicCast(m_control->GetEventHandler(), wxGridCellEditorEvtHandler);
1496
1497     // Don't immediately end if we get a kill focus event within BeginEdit
1498     if (evtHandler)
1499         evtHandler->SetInSetFocus(true);
1500
1501     m_startValue = grid->GetTable()->GetValue(row, col);
1502
1503     if (m_allowOthers)
1504     {
1505         Combo()->SetValue(m_startValue);
1506     }
1507     else
1508     {
1509         // find the right position, or default to the first if not found
1510         int pos = Combo()->FindString(m_startValue);
1511         if (pos == wxNOT_FOUND)
1512             pos = 0;
1513         Combo()->SetSelection(pos);
1514     }
1515
1516     Combo()->SetInsertionPointEnd();
1517     Combo()->SetFocus();
1518
1519     if (evtHandler)
1520     {
1521         // When dropping down the menu, a kill focus event
1522         // happens after this point, so we can't reset the flag yet.
1523 #if !defined(__WXGTK20__)
1524         evtHandler->SetInSetFocus(false);
1525 #endif
1526     }
1527 }
1528
1529 bool wxGridCellChoiceEditor::EndEdit(int row, int col,
1530                                      wxGrid* grid)
1531 {
1532     wxString value = Combo()->GetValue();
1533     if ( value == m_startValue )
1534         return false;
1535
1536     grid->GetTable()->SetValue(row, col, value);
1537
1538     return true;
1539 }
1540
1541 void wxGridCellChoiceEditor::Reset()
1542 {
1543     Combo()->SetValue(m_startValue);
1544     Combo()->SetInsertionPointEnd();
1545 }
1546
1547 void wxGridCellChoiceEditor::SetParameters(const wxString& params)
1548 {
1549     if ( !params )
1550     {
1551         // what can we do?
1552         return;
1553     }
1554
1555     m_choices.Empty();
1556
1557     wxStringTokenizer tk(params, _T(','));
1558     while ( tk.HasMoreTokens() )
1559     {
1560         m_choices.Add(tk.GetNextToken());
1561     }
1562 }
1563
1564 // return the value in the text control
1565 wxString wxGridCellChoiceEditor::GetValue() const
1566 {
1567   return Combo()->GetValue();
1568 }
1569
1570 #endif // wxUSE_COMBOBOX
1571
1572 // ----------------------------------------------------------------------------
1573 // wxGridCellEditorEvtHandler
1574 // ----------------------------------------------------------------------------
1575
1576 void wxGridCellEditorEvtHandler::OnKillFocus(wxFocusEvent& event)
1577 {
1578     // Don't disable the cell if we're just starting to edit it
1579     if (m_inSetFocus)
1580         return;
1581
1582     // accept changes
1583     m_grid->DisableCellEditControl();
1584
1585     event.Skip();
1586 }
1587
1588 void wxGridCellEditorEvtHandler::OnKeyDown(wxKeyEvent& event)
1589 {
1590     switch ( event.GetKeyCode() )
1591     {
1592         case WXK_ESCAPE:
1593             m_editor->Reset();
1594             m_grid->DisableCellEditControl();
1595             break;
1596
1597         case WXK_TAB:
1598             m_grid->GetEventHandler()->ProcessEvent( event );
1599             break;
1600
1601         case WXK_RETURN:
1602         case WXK_NUMPAD_ENTER:
1603             if (!m_grid->GetEventHandler()->ProcessEvent(event))
1604                 m_editor->HandleReturn(event);
1605             break;
1606
1607         default:
1608             event.Skip();
1609             break;
1610     }
1611 }
1612
1613 void wxGridCellEditorEvtHandler::OnChar(wxKeyEvent& event)
1614 {
1615     int row = m_grid->GetGridCursorRow();
1616     int col = m_grid->GetGridCursorCol();
1617     wxRect rect = m_grid->CellToRect( row, col );
1618     int cw, ch;
1619     m_grid->GetGridWindow()->GetClientSize( &cw, &ch );
1620
1621     // if cell width is smaller than grid client area, cell is wholly visible
1622     bool wholeCellVisible = (rect.GetWidth() < cw);
1623
1624     switch ( event.GetKeyCode() )
1625     {
1626         case WXK_ESCAPE:
1627         case WXK_TAB:
1628         case WXK_RETURN:
1629         case WXK_NUMPAD_ENTER:
1630             break;
1631
1632         case WXK_HOME:
1633         {
1634             if ( wholeCellVisible )
1635             {
1636                 // no special processing needed...
1637                 event.Skip();
1638                 break;
1639             }
1640
1641             // do special processing for partly visible cell...
1642
1643             // get the widths of all cells previous to this one
1644             int colXPos = 0;
1645             for ( int i = 0; i < col; i++ )
1646             {
1647                 colXPos += m_grid->GetColSize(i);
1648             }
1649
1650             int xUnit = 1, yUnit = 1;
1651             m_grid->GetScrollPixelsPerUnit(&xUnit, &yUnit);
1652             if (col != 0)
1653             {
1654                 m_grid->Scroll(colXPos / xUnit - 1, m_grid->GetScrollPos(wxVERTICAL));
1655             }
1656             else
1657             {
1658                 m_grid->Scroll(colXPos / xUnit, m_grid->GetScrollPos(wxVERTICAL));
1659             }
1660             event.Skip();
1661             break;
1662         }
1663
1664         case WXK_END:
1665         {
1666             if ( wholeCellVisible )
1667             {
1668                 // no special processing needed...
1669                 event.Skip();
1670                 break;
1671             }
1672
1673             // do special processing for partly visible cell...
1674
1675             int textWidth = 0;
1676             wxString value = m_grid->GetCellValue(row, col);
1677             if ( wxEmptyString != value )
1678             {
1679                 // get width of cell CONTENTS (text)
1680                 int y;
1681                 wxFont font = m_grid->GetCellFont(row, col);
1682                 m_grid->GetTextExtent(value, &textWidth, &y, NULL, NULL, &font);
1683
1684                 // try to RIGHT align the text by scrolling
1685                 int client_right = m_grid->GetGridWindow()->GetClientSize().GetWidth();
1686
1687                 // (m_grid->GetScrollLineX()*2) is a factor for not scrolling to far,
1688                 // otherwise the last part of the cell content might be hidden below the scroll bar
1689                 // FIXME: maybe there is a more suitable correction?
1690                 textWidth -= (client_right - (m_grid->GetScrollLineX() * 2));
1691                 if ( textWidth < 0 )
1692                 {
1693                     textWidth = 0;
1694                 }
1695             }
1696
1697             // get the widths of all cells previous to this one
1698             int colXPos = 0;
1699             for ( int i = 0; i < col; i++ )
1700             {
1701                 colXPos += m_grid->GetColSize(i);
1702             }
1703
1704             // and add the (modified) text width of the cell contents
1705             // as we'd like to see the last part of the cell contents
1706             colXPos += textWidth;
1707
1708             int xUnit = 1, yUnit = 1;
1709             m_grid->GetScrollPixelsPerUnit(&xUnit, &yUnit);
1710             m_grid->Scroll(colXPos / xUnit - 1, m_grid->GetScrollPos(wxVERTICAL));
1711             event.Skip();
1712             break;
1713         }
1714
1715         default:
1716             event.Skip();
1717             break;
1718     }
1719 }
1720
1721 // ----------------------------------------------------------------------------
1722 // wxGridCellWorker is an (almost) empty common base class for
1723 // wxGridCellRenderer and wxGridCellEditor managing ref counting
1724 // ----------------------------------------------------------------------------
1725
1726 void wxGridCellWorker::SetParameters(const wxString& WXUNUSED(params))
1727 {
1728     // nothing to do
1729 }
1730
1731 wxGridCellWorker::~wxGridCellWorker()
1732 {
1733 }
1734
1735 // ============================================================================
1736 // renderer classes
1737 // ============================================================================
1738
1739 // ----------------------------------------------------------------------------
1740 // wxGridCellRenderer
1741 // ----------------------------------------------------------------------------
1742
1743 void wxGridCellRenderer::Draw(wxGrid& grid,
1744                               wxGridCellAttr& attr,
1745                               wxDC& dc,
1746                               const wxRect& rect,
1747                               int WXUNUSED(row), int WXUNUSED(col),
1748                               bool isSelected)
1749 {
1750     dc.SetBackgroundMode( wxSOLID );
1751
1752     // grey out fields if the grid is disabled
1753     if ( grid.IsEnabled() )
1754     {
1755         if ( isSelected )
1756         {
1757             dc.SetBrush( wxBrush(grid.GetSelectionBackground(), wxSOLID) );
1758         }
1759         else
1760         {
1761             dc.SetBrush( wxBrush(attr.GetBackgroundColour(), wxSOLID) );
1762         }
1763     }
1764     else
1765     {
1766         dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE), wxSOLID));
1767     }
1768
1769     dc.SetPen( *wxTRANSPARENT_PEN );
1770     dc.DrawRectangle(rect);
1771 }
1772
1773 // ----------------------------------------------------------------------------
1774 // wxGridCellStringRenderer
1775 // ----------------------------------------------------------------------------
1776
1777 void wxGridCellStringRenderer::SetTextColoursAndFont(const wxGrid& grid,
1778                                                      const wxGridCellAttr& attr,
1779                                                      wxDC& dc,
1780                                                      bool isSelected)
1781 {
1782     dc.SetBackgroundMode( wxTRANSPARENT );
1783
1784     // TODO some special colours for attr.IsReadOnly() case?
1785
1786     // different coloured text when the grid is disabled
1787     if ( grid.IsEnabled() )
1788     {
1789         if ( isSelected )
1790         {
1791             dc.SetTextBackground( grid.GetSelectionBackground() );
1792             dc.SetTextForeground( grid.GetSelectionForeground() );
1793         }
1794         else
1795         {
1796             dc.SetTextBackground( attr.GetBackgroundColour() );
1797             dc.SetTextForeground( attr.GetTextColour() );
1798         }
1799     }
1800     else
1801     {
1802         dc.SetTextBackground(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE));
1803         dc.SetTextForeground(wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT));
1804     }
1805
1806     dc.SetFont( attr.GetFont() );
1807 }
1808
1809 wxSize wxGridCellStringRenderer::DoGetBestSize(const wxGridCellAttr& attr,
1810                                                wxDC& dc,
1811                                                const wxString& text)
1812 {
1813     wxCoord x = 0, y = 0, max_x = 0;
1814     dc.SetFont(attr.GetFont());
1815     wxStringTokenizer tk(text, _T('\n'));
1816     while ( tk.HasMoreTokens() )
1817     {
1818         dc.GetTextExtent(tk.GetNextToken(), &x, &y);
1819         max_x = wxMax(max_x, x);
1820     }
1821
1822     y *= 1 + text.Freq(wxT('\n')); // multiply by the number of lines.
1823
1824     return wxSize(max_x, y);
1825 }
1826
1827 wxSize wxGridCellStringRenderer::GetBestSize(wxGrid& grid,
1828                                              wxGridCellAttr& attr,
1829                                              wxDC& dc,
1830                                              int row, int col)
1831 {
1832     return DoGetBestSize(attr, dc, grid.GetCellValue(row, col));
1833 }
1834
1835 void wxGridCellStringRenderer::Draw(wxGrid& grid,
1836                                     wxGridCellAttr& attr,
1837                                     wxDC& dc,
1838                                     const wxRect& rectCell,
1839                                     int row, int col,
1840                                     bool isSelected)
1841 {
1842     wxRect rect = rectCell;
1843     rect.Inflate(-1);
1844
1845     // erase only this cells background, overflow cells should have been erased
1846     wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
1847
1848     int hAlign, vAlign;
1849     attr.GetAlignment(&hAlign, &vAlign);
1850
1851     int overflowCols = 0;
1852
1853     if (attr.GetOverflow())
1854     {
1855         int cols = grid.GetNumberCols();
1856         int best_width = GetBestSize(grid,attr,dc,row,col).GetWidth();
1857         int cell_rows, cell_cols;
1858         attr.GetSize( &cell_rows, &cell_cols ); // shouldn't get here if <= 0
1859         if ((best_width > rectCell.width) && (col < cols) && grid.GetTable())
1860         {
1861             int i, c_cols, c_rows;
1862             for (i = col+cell_cols; i < cols; i++)
1863             {
1864                 bool is_empty = true;
1865                 for (int j=row; j < row + cell_rows; j++)
1866                 {
1867                     // check w/ anchor cell for multicell block
1868                     grid.GetCellSize(j, i, &c_rows, &c_cols);
1869                     if (c_rows > 0)
1870                         c_rows = 0;
1871                     if (!grid.GetTable()->IsEmptyCell(j + c_rows, i))
1872                     {
1873                         is_empty = false;
1874                         break;
1875                     }
1876                 }
1877
1878                 if (is_empty)
1879                 {
1880                     rect.width += grid.GetColSize(i);
1881                 }
1882                 else
1883                 {
1884                     i--;
1885                     break;
1886                 }
1887
1888                 if (rect.width >= best_width)
1889                     break;
1890             }
1891
1892             overflowCols = i - col - cell_cols + 1;
1893             if (overflowCols >= cols)
1894                 overflowCols = cols - 1;
1895         }
1896
1897         if (overflowCols > 0) // redraw overflow cells w/ proper hilight
1898         {
1899             hAlign = wxALIGN_LEFT; // if oveflowed then it's left aligned
1900             wxRect clip = rect;
1901             clip.x += rectCell.width;
1902             // draw each overflow cell individually
1903             int col_end = col + cell_cols + overflowCols;
1904             if (col_end >= grid.GetNumberCols())
1905                 col_end = grid.GetNumberCols() - 1;
1906             for (int i = col + cell_cols; i <= col_end; i++)
1907             {
1908                 clip.width = grid.GetColSize(i) - 1;
1909                 dc.DestroyClippingRegion();
1910                 dc.SetClippingRegion(clip);
1911
1912                 SetTextColoursAndFont(grid, attr, dc,
1913                         grid.IsInSelection(row,i));
1914
1915                 grid.DrawTextRectangle(dc, grid.GetCellValue(row, col),
1916                         rect, hAlign, vAlign);
1917                 clip.x += grid.GetColSize(i) - 1;
1918             }
1919
1920             rect = rectCell;
1921             rect.Inflate(-1);
1922             rect.width++;
1923             dc.DestroyClippingRegion();
1924         }
1925     }
1926
1927     // now we only have to draw the text
1928     SetTextColoursAndFont(grid, attr, dc, isSelected);
1929
1930     grid.DrawTextRectangle(dc, grid.GetCellValue(row, col),
1931                            rect, hAlign, vAlign);
1932 }
1933
1934 // ----------------------------------------------------------------------------
1935 // wxGridCellNumberRenderer
1936 // ----------------------------------------------------------------------------
1937
1938 wxString wxGridCellNumberRenderer::GetString(const wxGrid& grid, int row, int col)
1939 {
1940     wxGridTableBase *table = grid.GetTable();
1941     wxString text;
1942     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_NUMBER) )
1943     {
1944         text.Printf(_T("%ld"), table->GetValueAsLong(row, col));
1945     }
1946     else
1947     {
1948         text = table->GetValue(row, col);
1949     }
1950
1951     return text;
1952 }
1953
1954 void wxGridCellNumberRenderer::Draw(wxGrid& grid,
1955                                     wxGridCellAttr& attr,
1956                                     wxDC& dc,
1957                                     const wxRect& rectCell,
1958                                     int row, int col,
1959                                     bool isSelected)
1960 {
1961     wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
1962
1963     SetTextColoursAndFont(grid, attr, dc, isSelected);
1964
1965     // draw the text right aligned by default
1966     int hAlign, vAlign;
1967     attr.GetAlignment(&hAlign, &vAlign);
1968     hAlign = wxALIGN_RIGHT;
1969
1970     wxRect rect = rectCell;
1971     rect.Inflate(-1);
1972
1973     grid.DrawTextRectangle(dc, GetString(grid, row, col), rect, hAlign, vAlign);
1974 }
1975
1976 wxSize wxGridCellNumberRenderer::GetBestSize(wxGrid& grid,
1977                                              wxGridCellAttr& attr,
1978                                              wxDC& dc,
1979                                              int row, int col)
1980 {
1981     return DoGetBestSize(attr, dc, GetString(grid, row, col));
1982 }
1983
1984 // ----------------------------------------------------------------------------
1985 // wxGridCellFloatRenderer
1986 // ----------------------------------------------------------------------------
1987
1988 wxGridCellFloatRenderer::wxGridCellFloatRenderer(int width, int precision)
1989 {
1990     SetWidth(width);
1991     SetPrecision(precision);
1992 }
1993
1994 wxGridCellRenderer *wxGridCellFloatRenderer::Clone() const
1995 {
1996     wxGridCellFloatRenderer *renderer = new wxGridCellFloatRenderer;
1997     renderer->m_width = m_width;
1998     renderer->m_precision = m_precision;
1999     renderer->m_format = m_format;
2000
2001     return renderer;
2002 }
2003
2004 wxString wxGridCellFloatRenderer::GetString(const wxGrid& grid, int row, int col)
2005 {
2006     wxGridTableBase *table = grid.GetTable();
2007
2008     bool hasDouble;
2009     double val;
2010     wxString text;
2011     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_FLOAT) )
2012     {
2013         val = table->GetValueAsDouble(row, col);
2014         hasDouble = true;
2015     }
2016     else
2017     {
2018         text = table->GetValue(row, col);
2019         hasDouble = text.ToDouble(&val);
2020     }
2021
2022     if ( hasDouble )
2023     {
2024         if ( !m_format )
2025         {
2026             if ( m_width == -1 )
2027             {
2028                 if ( m_precision == -1 )
2029                 {
2030                     // default width/precision
2031                     m_format = _T("%f");
2032                 }
2033                 else
2034                 {
2035                     m_format.Printf(_T("%%.%df"), m_precision);
2036                 }
2037             }
2038             else if ( m_precision == -1 )
2039             {
2040                 // default precision
2041                 m_format.Printf(_T("%%%d.f"), m_width);
2042             }
2043             else
2044             {
2045                 m_format.Printf(_T("%%%d.%df"), m_width, m_precision);
2046             }
2047         }
2048
2049         text.Printf(m_format, val);
2050
2051     }
2052     //else: text already contains the string
2053
2054     return text;
2055 }
2056
2057 void wxGridCellFloatRenderer::Draw(wxGrid& grid,
2058                                    wxGridCellAttr& attr,
2059                                    wxDC& dc,
2060                                    const wxRect& rectCell,
2061                                    int row, int col,
2062                                    bool isSelected)
2063 {
2064     wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
2065
2066     SetTextColoursAndFont(grid, attr, dc, isSelected);
2067
2068     // draw the text right aligned by default
2069     int hAlign, vAlign;
2070     attr.GetAlignment(&hAlign, &vAlign);
2071     hAlign = wxALIGN_RIGHT;
2072
2073     wxRect rect = rectCell;
2074     rect.Inflate(-1);
2075
2076     grid.DrawTextRectangle(dc, GetString(grid, row, col), rect, hAlign, vAlign);
2077 }
2078
2079 wxSize wxGridCellFloatRenderer::GetBestSize(wxGrid& grid,
2080                                             wxGridCellAttr& attr,
2081                                             wxDC& dc,
2082                                             int row, int col)
2083 {
2084     return DoGetBestSize(attr, dc, GetString(grid, row, col));
2085 }
2086
2087 void wxGridCellFloatRenderer::SetParameters(const wxString& params)
2088 {
2089     if ( !params )
2090     {
2091         // reset to defaults
2092         SetWidth(-1);
2093         SetPrecision(-1);
2094     }
2095     else
2096     {
2097         wxString tmp = params.BeforeFirst(_T(','));
2098         if ( !tmp.empty() )
2099         {
2100             long width;
2101             if ( tmp.ToLong(&width) )
2102             {
2103                 SetWidth((int)width);
2104             }
2105             else
2106             {
2107                 wxLogDebug(_T("Invalid wxGridCellFloatRenderer width parameter string '%s ignored"), params.c_str());
2108             }
2109         }
2110
2111         tmp = params.AfterFirst(_T(','));
2112         if ( !tmp.empty() )
2113         {
2114             long precision;
2115             if ( tmp.ToLong(&precision) )
2116             {
2117                 SetPrecision((int)precision);
2118             }
2119             else
2120             {
2121                 wxLogDebug(_T("Invalid wxGridCellFloatRenderer precision parameter string '%s ignored"), params.c_str());
2122             }
2123         }
2124     }
2125 }
2126
2127 // ----------------------------------------------------------------------------
2128 // wxGridCellBoolRenderer
2129 // ----------------------------------------------------------------------------
2130
2131 wxSize wxGridCellBoolRenderer::ms_sizeCheckMark;
2132
2133 // FIXME these checkbox size calculations are really ugly...
2134
2135 // between checkmark and box
2136 static const wxCoord wxGRID_CHECKMARK_MARGIN = 2;
2137
2138 wxSize wxGridCellBoolRenderer::GetBestSize(wxGrid& grid,
2139                                            wxGridCellAttr& WXUNUSED(attr),
2140                                            wxDC& WXUNUSED(dc),
2141                                            int WXUNUSED(row),
2142                                            int WXUNUSED(col))
2143 {
2144     // compute it only once (no locks for MT safeness in GUI thread...)
2145     if ( !ms_sizeCheckMark.x )
2146     {
2147         // get checkbox size
2148         wxCheckBox *checkbox = new wxCheckBox(&grid, wxID_ANY, wxEmptyString);
2149         wxSize size = checkbox->GetBestSize();
2150         wxCoord checkSize = size.y + 2 * wxGRID_CHECKMARK_MARGIN;
2151
2152         // FIXME wxGTK::wxCheckBox::GetBestSize() gives "wrong" result
2153 #if defined(__WXGTK__) || defined(__WXMOTIF__)
2154         checkSize -= size.y / 2;
2155 #endif
2156
2157         delete checkbox;
2158
2159         ms_sizeCheckMark.x = ms_sizeCheckMark.y = checkSize;
2160     }
2161
2162     return ms_sizeCheckMark;
2163 }
2164
2165 void wxGridCellBoolRenderer::Draw(wxGrid& grid,
2166                                   wxGridCellAttr& attr,
2167                                   wxDC& dc,
2168                                   const wxRect& rect,
2169                                   int row, int col,
2170                                   bool isSelected)
2171 {
2172     wxGridCellRenderer::Draw(grid, attr, dc, rect, row, col, isSelected);
2173
2174     // draw a check mark in the centre (ignoring alignment - TODO)
2175     wxSize size = GetBestSize(grid, attr, dc, row, col);
2176
2177     // don't draw outside the cell
2178     wxCoord minSize = wxMin(rect.width, rect.height);
2179     if ( size.x >= minSize || size.y >= minSize )
2180     {
2181         // and even leave (at least) 1 pixel margin
2182         size.x = size.y = minSize - 2;
2183     }
2184
2185     // draw a border around checkmark
2186     int vAlign, hAlign;
2187     attr.GetAlignment(&hAlign, &vAlign);
2188
2189     wxRect rectBorder;
2190     if (hAlign == wxALIGN_CENTRE)
2191     {
2192         rectBorder.x = rect.x + rect.width / 2 - size.x / 2;
2193         rectBorder.y = rect.y + rect.height / 2 - size.y / 2;
2194         rectBorder.width = size.x;
2195         rectBorder.height = size.y;
2196     }
2197     else if (hAlign == wxALIGN_LEFT)
2198     {
2199         rectBorder.x = rect.x + 2;
2200         rectBorder.y = rect.y + rect.height / 2 - size.y / 2;
2201         rectBorder.width = size.x;
2202         rectBorder.height = size.y;
2203     }
2204     else if (hAlign == wxALIGN_RIGHT)
2205     {
2206         rectBorder.x = rect.x + rect.width - size.x - 2;
2207         rectBorder.y = rect.y + rect.height / 2 - size.y / 2;
2208         rectBorder.width = size.x;
2209         rectBorder.height = size.y;
2210     }
2211
2212     bool value;
2213     if ( grid.GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL) )
2214     {
2215         value = grid.GetTable()->GetValueAsBool(row, col);
2216     }
2217     else
2218     {
2219         wxString cellval( grid.GetTable()->GetValue(row, col) );
2220         value = !( !cellval || (cellval == wxT("0")) );
2221     }
2222
2223     if ( value )
2224     {
2225         wxRect rectMark = rectBorder;
2226
2227 #ifdef __WXMSW__
2228         // MSW DrawCheckMark() is weird (and should probably be changed...)
2229         rectMark.Inflate(-wxGRID_CHECKMARK_MARGIN / 2);
2230         rectMark.x++;
2231         rectMark.y++;
2232 #else
2233         rectMark.Inflate(-wxGRID_CHECKMARK_MARGIN);
2234 #endif
2235
2236         dc.SetTextForeground(attr.GetTextColour());
2237         dc.DrawCheckMark(rectMark);
2238     }
2239
2240     dc.SetBrush(*wxTRANSPARENT_BRUSH);
2241     dc.SetPen(wxPen(attr.GetTextColour(), 1, wxSOLID));
2242     dc.DrawRectangle(rectBorder);
2243 }
2244
2245 // ----------------------------------------------------------------------------
2246 // wxGridCellAttr
2247 // ----------------------------------------------------------------------------
2248
2249 void wxGridCellAttr::Init(wxGridCellAttr *attrDefault)
2250 {
2251     m_nRef = 1;
2252
2253     m_isReadOnly = Unset;
2254
2255     m_renderer = NULL;
2256     m_editor = NULL;
2257
2258     m_attrkind = wxGridCellAttr::Cell;
2259
2260     m_sizeRows = m_sizeCols = 1;
2261     m_overflow = UnsetOverflow;
2262
2263     SetDefAttr(attrDefault);
2264 }
2265
2266 wxGridCellAttr *wxGridCellAttr::Clone() const
2267 {
2268     wxGridCellAttr *attr = new wxGridCellAttr(m_defGridAttr);
2269
2270     if ( HasTextColour() )
2271         attr->SetTextColour(GetTextColour());
2272     if ( HasBackgroundColour() )
2273         attr->SetBackgroundColour(GetBackgroundColour());
2274     if ( HasFont() )
2275         attr->SetFont(GetFont());
2276     if ( HasAlignment() )
2277         attr->SetAlignment(m_hAlign, m_vAlign);
2278
2279     attr->SetSize( m_sizeRows, m_sizeCols );
2280
2281     if ( m_renderer )
2282     {
2283         attr->SetRenderer(m_renderer);
2284         m_renderer->IncRef();
2285     }
2286     if ( m_editor )
2287     {
2288         attr->SetEditor(m_editor);
2289         m_editor->IncRef();
2290     }
2291
2292     if ( IsReadOnly() )
2293         attr->SetReadOnly();
2294
2295     attr->SetOverflow( m_overflow == Overflow );
2296     attr->SetKind( m_attrkind );
2297
2298     return attr;
2299 }
2300
2301 void wxGridCellAttr::MergeWith(wxGridCellAttr *mergefrom)
2302 {
2303     if ( !HasTextColour() && mergefrom->HasTextColour() )
2304         SetTextColour(mergefrom->GetTextColour());
2305     if ( !HasBackgroundColour() && mergefrom->HasBackgroundColour() )
2306         SetBackgroundColour(mergefrom->GetBackgroundColour());
2307     if ( !HasFont() && mergefrom->HasFont() )
2308         SetFont(mergefrom->GetFont());
2309     if ( !HasAlignment() && mergefrom->HasAlignment() )
2310     {
2311         int hAlign, vAlign;
2312         mergefrom->GetAlignment( &hAlign, &vAlign);
2313         SetAlignment(hAlign, vAlign);
2314     }
2315     if ( !HasSize() && mergefrom->HasSize() )
2316         mergefrom->GetSize( &m_sizeRows, &m_sizeCols );
2317
2318     // Directly access member functions as GetRender/Editor don't just return
2319     // m_renderer/m_editor
2320     //
2321     // Maybe add support for merge of Render and Editor?
2322     if (!HasRenderer() && mergefrom->HasRenderer() )
2323     {
2324         m_renderer = mergefrom->m_renderer;
2325         m_renderer->IncRef();
2326     }
2327     if ( !HasEditor() && mergefrom->HasEditor() )
2328     {
2329         m_editor =  mergefrom->m_editor;
2330         m_editor->IncRef();
2331     }
2332     if ( !HasReadWriteMode() && mergefrom->HasReadWriteMode() )
2333         SetReadOnly(mergefrom->IsReadOnly());
2334
2335     if (!HasOverflowMode() && mergefrom->HasOverflowMode() )
2336         SetOverflow(mergefrom->GetOverflow());
2337
2338     SetDefAttr(mergefrom->m_defGridAttr);
2339 }
2340
2341 void wxGridCellAttr::SetSize(int num_rows, int num_cols)
2342 {
2343     // The size of a cell is normally 1,1
2344
2345     // If this cell is larger (2,2) then this is the top left cell
2346     // the other cells that will be covered (lower right cells) must be
2347     // set to negative or zero values such that
2348     // row + num_rows of the covered cell points to the larger cell (this cell)
2349     // same goes for the col + num_cols.
2350
2351     // Size of 0,0 is NOT valid, neither is <=0 and any positive value
2352
2353     wxASSERT_MSG( (!((num_rows > 0) && (num_cols <= 0)) ||
2354                   !((num_rows <= 0) && (num_cols > 0)) ||
2355                   !((num_rows == 0) && (num_cols == 0))),
2356                   wxT("wxGridCellAttr::SetSize only takes two postive values or negative/zero values"));
2357
2358     m_sizeRows = num_rows;
2359     m_sizeCols = num_cols;
2360 }
2361
2362 const wxColour& wxGridCellAttr::GetTextColour() const
2363 {
2364     if (HasTextColour())
2365     {
2366         return m_colText;
2367     }
2368     else if (m_defGridAttr && m_defGridAttr != this)
2369     {
2370         return m_defGridAttr->GetTextColour();
2371     }
2372     else
2373     {
2374         wxFAIL_MSG(wxT("Missing default cell attribute"));
2375         return wxNullColour;
2376     }
2377 }
2378
2379 const wxColour& wxGridCellAttr::GetBackgroundColour() const
2380 {
2381     if (HasBackgroundColour())
2382     {
2383         return m_colBack;
2384     }
2385     else if (m_defGridAttr && m_defGridAttr != this)
2386     {
2387         return m_defGridAttr->GetBackgroundColour();
2388     }
2389     else
2390     {
2391         wxFAIL_MSG(wxT("Missing default cell attribute"));
2392         return wxNullColour;
2393     }
2394 }
2395
2396 const wxFont& wxGridCellAttr::GetFont() const
2397 {
2398     if (HasFont())
2399     {
2400         return m_font;
2401     }
2402     else if (m_defGridAttr && m_defGridAttr != this)
2403     {
2404         return m_defGridAttr->GetFont();
2405     }
2406     else
2407     {
2408         wxFAIL_MSG(wxT("Missing default cell attribute"));
2409         return wxNullFont;
2410     }
2411 }
2412
2413 void wxGridCellAttr::GetAlignment(int *hAlign, int *vAlign) const
2414 {
2415     if (HasAlignment())
2416     {
2417         if ( hAlign )
2418             *hAlign = m_hAlign;
2419         if ( vAlign )
2420             *vAlign = m_vAlign;
2421     }
2422     else if (m_defGridAttr && m_defGridAttr != this)
2423     {
2424         m_defGridAttr->GetAlignment(hAlign, vAlign);
2425     }
2426     else
2427     {
2428         wxFAIL_MSG(wxT("Missing default cell attribute"));
2429     }
2430 }
2431
2432 void wxGridCellAttr::GetSize( int *num_rows, int *num_cols ) const
2433 {
2434     if ( num_rows )
2435         *num_rows = m_sizeRows;
2436     if ( num_cols )
2437         *num_cols = m_sizeCols;
2438 }
2439
2440 // GetRenderer and GetEditor use a slightly different decision path about
2441 // which attribute to use.  If a non-default attr object has one then it is
2442 // used, otherwise the default editor or renderer is fetched from the grid and
2443 // used.  It should be the default for the data type of the cell.  If it is
2444 // NULL (because the table has a type that the grid does not have in its
2445 // registry), then the grid's default editor or renderer is used.
2446
2447 wxGridCellRenderer* wxGridCellAttr::GetRenderer(wxGrid* grid, int row, int col) const
2448 {
2449     wxGridCellRenderer *renderer = NULL;
2450
2451     if ( m_renderer && this != m_defGridAttr )
2452     {
2453         // use the cells renderer if it has one
2454         renderer = m_renderer;
2455         renderer->IncRef();
2456     }
2457     else // no non-default cell renderer
2458     {
2459         // get default renderer for the data type
2460         if ( grid )
2461         {
2462             // GetDefaultRendererForCell() will do IncRef() for us
2463             renderer = grid->GetDefaultRendererForCell(row, col);
2464         }
2465
2466         if ( renderer == NULL )
2467         {
2468             if ( (m_defGridAttr != NULL) && (m_defGridAttr != this) )
2469             {
2470                 // if we still don't have one then use the grid default
2471                 // (no need for IncRef() here neither)
2472                 renderer = m_defGridAttr->GetRenderer(NULL, 0, 0);
2473             }
2474             else // default grid attr
2475             {
2476                 // use m_renderer which we had decided not to use initially
2477                 renderer = m_renderer;
2478                 if ( renderer )
2479                     renderer->IncRef();
2480             }
2481         }
2482     }
2483
2484     // we're supposed to always find something
2485     wxASSERT_MSG(renderer, wxT("Missing default cell renderer"));
2486
2487     return renderer;
2488 }
2489
2490 // same as above, except for s/renderer/editor/g
2491 wxGridCellEditor* wxGridCellAttr::GetEditor(wxGrid* grid, int row, int col) const
2492 {
2493     wxGridCellEditor *editor = NULL;
2494
2495     if ( m_editor && this != m_defGridAttr )
2496     {
2497         // use the cells editor if it has one
2498         editor = m_editor;
2499         editor->IncRef();
2500     }
2501     else // no non default cell editor
2502     {
2503         // get default editor for the data type
2504         if ( grid )
2505         {
2506             // GetDefaultEditorForCell() will do IncRef() for us
2507             editor = grid->GetDefaultEditorForCell(row, col);
2508         }
2509
2510         if ( editor == NULL )
2511         {
2512             if ( (m_defGridAttr != NULL) && (m_defGridAttr != this) )
2513             {
2514                 // if we still don't have one then use the grid default
2515                 // (no need for IncRef() here neither)
2516                 editor = m_defGridAttr->GetEditor(NULL, 0, 0);
2517             }
2518             else // default grid attr
2519             {
2520                 // use m_editor which we had decided not to use initially
2521                 editor = m_editor;
2522                 if ( editor )
2523                     editor->IncRef();
2524             }
2525         }
2526     }
2527
2528     // we're supposed to always find something
2529     wxASSERT_MSG(editor, wxT("Missing default cell editor"));
2530
2531     return editor;
2532 }
2533
2534 // ----------------------------------------------------------------------------
2535 // wxGridCellAttrData
2536 // ----------------------------------------------------------------------------
2537
2538 void wxGridCellAttrData::SetAttr(wxGridCellAttr *attr, int row, int col)
2539 {
2540     int n = FindIndex(row, col);
2541     if ( n == wxNOT_FOUND )
2542     {
2543         // add the attribute
2544         m_attrs.Add(new wxGridCellWithAttr(row, col, attr));
2545     }
2546     else
2547     {
2548         // free the old attribute
2549         m_attrs[(size_t)n].attr->DecRef();
2550
2551         if ( attr )
2552         {
2553             // change the attribute
2554             m_attrs[(size_t)n].attr = attr;
2555         }
2556         else
2557         {
2558             // remove this attribute
2559             m_attrs.RemoveAt((size_t)n);
2560         }
2561     }
2562 }
2563
2564 wxGridCellAttr *wxGridCellAttrData::GetAttr(int row, int col) const
2565 {
2566     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
2567
2568     int n = FindIndex(row, col);
2569     if ( n != wxNOT_FOUND )
2570     {
2571         attr = m_attrs[(size_t)n].attr;
2572         attr->IncRef();
2573     }
2574
2575     return attr;
2576 }
2577
2578 void wxGridCellAttrData::UpdateAttrRows( size_t pos, int numRows )
2579 {
2580     size_t count = m_attrs.GetCount();
2581     for ( size_t n = 0; n < count; n++ )
2582     {
2583         wxGridCellCoords& coords = m_attrs[n].coords;
2584         wxCoord row = coords.GetRow();
2585         if ((size_t)row >= pos)
2586         {
2587             if (numRows > 0)
2588             {
2589                 // If rows inserted, include row counter where necessary
2590                 coords.SetRow(row + numRows);
2591             }
2592             else if (numRows < 0)
2593             {
2594                 // If rows deleted ...
2595                 if ((size_t)row >= pos - numRows)
2596                 {
2597                     // ...either decrement row counter (if row still exists)...
2598                     coords.SetRow(row + numRows);
2599                 }
2600                 else
2601                 {
2602                     // ...or remove the attribute
2603                     // No need to DecRef the attribute itself since this is
2604                     // done be wxGridCellWithAttr's destructor!
2605                     m_attrs.RemoveAt(n);
2606                     n--;
2607                     count--;
2608                 }
2609             }
2610         }
2611     }
2612 }
2613
2614 void wxGridCellAttrData::UpdateAttrCols( size_t pos, int numCols )
2615 {
2616     size_t count = m_attrs.GetCount();
2617     for ( size_t n = 0; n < count; n++ )
2618     {
2619         wxGridCellCoords& coords = m_attrs[n].coords;
2620         wxCoord col = coords.GetCol();
2621         if ( (size_t)col >= pos )
2622         {
2623             if ( numCols > 0 )
2624             {
2625                 // If rows inserted, include row counter where necessary
2626                 coords.SetCol(col + numCols);
2627             }
2628             else if (numCols < 0)
2629             {
2630                 // If rows deleted ...
2631                 if ((size_t)col >= pos - numCols)
2632                 {
2633                     // ...either decrement row counter (if row still exists)...
2634                     coords.SetCol(col + numCols);
2635                 }
2636                 else
2637                 {
2638                     // ...or remove the attribute
2639                     // No need to DecRef the attribute itself since this is
2640                     // done be wxGridCellWithAttr's destructor!
2641                     m_attrs.RemoveAt(n);
2642                     n--;
2643                     count--;
2644                 }
2645             }
2646         }
2647     }
2648 }
2649
2650 int wxGridCellAttrData::FindIndex(int row, int col) const
2651 {
2652     size_t count = m_attrs.GetCount();
2653     for ( size_t n = 0; n < count; n++ )
2654     {
2655         const wxGridCellCoords& coords = m_attrs[n].coords;
2656         if ( (coords.GetRow() == row) && (coords.GetCol() == col) )
2657         {
2658             return n;
2659         }
2660     }
2661
2662     return wxNOT_FOUND;
2663 }
2664
2665 // ----------------------------------------------------------------------------
2666 // wxGridRowOrColAttrData
2667 // ----------------------------------------------------------------------------
2668
2669 wxGridRowOrColAttrData::~wxGridRowOrColAttrData()
2670 {
2671     size_t count = m_attrs.Count();
2672     for ( size_t n = 0; n < count; n++ )
2673     {
2674         m_attrs[n]->DecRef();
2675     }
2676 }
2677
2678 wxGridCellAttr *wxGridRowOrColAttrData::GetAttr(int rowOrCol) const
2679 {
2680     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
2681
2682     int n = m_rowsOrCols.Index(rowOrCol);
2683     if ( n != wxNOT_FOUND )
2684     {
2685         attr = m_attrs[(size_t)n];
2686         attr->IncRef();
2687     }
2688
2689     return attr;
2690 }
2691
2692 void wxGridRowOrColAttrData::SetAttr(wxGridCellAttr *attr, int rowOrCol)
2693 {
2694     int i = m_rowsOrCols.Index(rowOrCol);
2695     if ( i == wxNOT_FOUND )
2696     {
2697         // add the attribute
2698         m_rowsOrCols.Add(rowOrCol);
2699         m_attrs.Add(attr);
2700     }
2701     else
2702     {
2703         size_t n = (size_t)i;
2704         if ( attr )
2705         {
2706             // change the attribute
2707             m_attrs[n]->DecRef();
2708             m_attrs[n] = attr;
2709         }
2710         else
2711         {
2712             // remove this attribute
2713             m_attrs[n]->DecRef();
2714             m_rowsOrCols.RemoveAt(n);
2715             m_attrs.RemoveAt(n);
2716         }
2717     }
2718 }
2719
2720 void wxGridRowOrColAttrData::UpdateAttrRowsOrCols( size_t pos, int numRowsOrCols )
2721 {
2722     size_t count = m_attrs.GetCount();
2723     for ( size_t n = 0; n < count; n++ )
2724     {
2725         int & rowOrCol = m_rowsOrCols[n];
2726         if ( (size_t)rowOrCol >= pos )
2727         {
2728             if ( numRowsOrCols > 0 )
2729             {
2730                 // If rows inserted, include row counter where necessary
2731                 rowOrCol += numRowsOrCols;
2732             }
2733             else if ( numRowsOrCols < 0)
2734             {
2735                 // If rows deleted, either decrement row counter (if row still exists)
2736                 if ((size_t)rowOrCol >= pos - numRowsOrCols)
2737                     rowOrCol += numRowsOrCols;
2738                 else
2739                 {
2740                     m_rowsOrCols.RemoveAt(n);
2741                     m_attrs[n]->DecRef();
2742                     m_attrs.RemoveAt(n);
2743                     n--;
2744                     count--;
2745                 }
2746             }
2747         }
2748     }
2749 }
2750
2751 // ----------------------------------------------------------------------------
2752 // wxGridCellAttrProvider
2753 // ----------------------------------------------------------------------------
2754
2755 wxGridCellAttrProvider::wxGridCellAttrProvider()
2756 {
2757     m_data = (wxGridCellAttrProviderData *)NULL;
2758 }
2759
2760 wxGridCellAttrProvider::~wxGridCellAttrProvider()
2761 {
2762     delete m_data;
2763 }
2764
2765 void wxGridCellAttrProvider::InitData()
2766 {
2767     m_data = new wxGridCellAttrProviderData;
2768 }
2769
2770 wxGridCellAttr *wxGridCellAttrProvider::GetAttr(int row, int col,
2771                                                 wxGridCellAttr::wxAttrKind  kind ) const
2772 {
2773     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
2774     if ( m_data )
2775     {
2776         switch (kind)
2777         {
2778             case (wxGridCellAttr::Any):
2779                 // Get cached merge attributes.
2780                 // Currently not used as no cache implemented as not mutable
2781                 // attr = m_data->m_mergeAttr.GetAttr(row, col);
2782                 if (!attr)
2783                 {
2784                     // Basically implement old version.
2785                     // Also check merge cache, so we don't have to re-merge every time..
2786                     wxGridCellAttr *attrcell = m_data->m_cellAttrs.GetAttr(row, col);
2787                     wxGridCellAttr *attrrow = m_data->m_rowAttrs.GetAttr(row);
2788                     wxGridCellAttr *attrcol = m_data->m_colAttrs.GetAttr(col);
2789
2790                     if ((attrcell != attrrow) && (attrrow != attrcol) && (attrcell != attrcol))
2791                     {
2792                         // Two or more are non NULL
2793                         attr = new wxGridCellAttr;
2794                         attr->SetKind(wxGridCellAttr::Merged);
2795
2796                         // Order is important..
2797                         if (attrcell)
2798                         {
2799                             attr->MergeWith(attrcell);
2800                             attrcell->DecRef();
2801                         }
2802                         if (attrcol)
2803                         {
2804                             attr->MergeWith(attrcol);
2805                             attrcol->DecRef();
2806                         }
2807                         if (attrrow)
2808                         {
2809                             attr->MergeWith(attrrow);
2810                             attrrow->DecRef();
2811                         }
2812
2813                         // store merge attr if cache implemented
2814                         //attr->IncRef();
2815                         //m_data->m_mergeAttr.SetAttr(attr, row, col);
2816                     }
2817                     else
2818                     {
2819                         // one or none is non null return it or null.
2820                         if (attrrow)
2821                             attr = attrrow;
2822                         if (attrcol)
2823                         {
2824                             if (attr)
2825                                 attr->DecRef();
2826                             attr = attrcol;
2827                         }
2828                         if (attrcell)
2829                         {
2830                             if (attr)
2831                                 attr->DecRef();
2832                             attr = attrcell;
2833                         }
2834                     }
2835                 }
2836                 break;
2837
2838             case (wxGridCellAttr::Cell):
2839                 attr = m_data->m_cellAttrs.GetAttr(row, col);
2840                 break;
2841
2842             case (wxGridCellAttr::Col):
2843                 attr = m_data->m_colAttrs.GetAttr(col);
2844                 break;
2845
2846             case (wxGridCellAttr::Row):
2847                 attr = m_data->m_rowAttrs.GetAttr(row);
2848                 break;
2849
2850             default:
2851                 // unused as yet...
2852                 // (wxGridCellAttr::Default):
2853                 // (wxGridCellAttr::Merged):
2854                 break;
2855         }
2856     }
2857
2858     return attr;
2859 }
2860
2861 void wxGridCellAttrProvider::SetAttr(wxGridCellAttr *attr,
2862                                      int row, int col)
2863 {
2864     if ( !m_data )
2865         InitData();
2866
2867     m_data->m_cellAttrs.SetAttr(attr, row, col);
2868 }
2869
2870 void wxGridCellAttrProvider::SetRowAttr(wxGridCellAttr *attr, int row)
2871 {
2872     if ( !m_data )
2873         InitData();
2874
2875     m_data->m_rowAttrs.SetAttr(attr, row);
2876 }
2877
2878 void wxGridCellAttrProvider::SetColAttr(wxGridCellAttr *attr, int col)
2879 {
2880     if ( !m_data )
2881         InitData();
2882
2883     m_data->m_colAttrs.SetAttr(attr, col);
2884 }
2885
2886 void wxGridCellAttrProvider::UpdateAttrRows( size_t pos, int numRows )
2887 {
2888     if ( m_data )
2889     {
2890         m_data->m_cellAttrs.UpdateAttrRows( pos, numRows );
2891
2892         m_data->m_rowAttrs.UpdateAttrRowsOrCols( pos, numRows );
2893     }
2894 }
2895
2896 void wxGridCellAttrProvider::UpdateAttrCols( size_t pos, int numCols )
2897 {
2898     if ( m_data )
2899     {
2900         m_data->m_cellAttrs.UpdateAttrCols( pos, numCols );
2901
2902         m_data->m_colAttrs.UpdateAttrRowsOrCols( pos, numCols );
2903     }
2904 }
2905
2906 // ----------------------------------------------------------------------------
2907 // wxGridTypeRegistry
2908 // ----------------------------------------------------------------------------
2909
2910 wxGridTypeRegistry::~wxGridTypeRegistry()
2911 {
2912     size_t count = m_typeinfo.Count();
2913     for ( size_t i = 0; i < count; i++ )
2914         delete m_typeinfo[i];
2915 }
2916
2917 void wxGridTypeRegistry::RegisterDataType(const wxString& typeName,
2918                                           wxGridCellRenderer* renderer,
2919                                           wxGridCellEditor* editor)
2920 {
2921     wxGridDataTypeInfo* info = new wxGridDataTypeInfo(typeName, renderer, editor);
2922
2923     // is it already registered?
2924     int loc = FindRegisteredDataType(typeName);
2925     if ( loc != wxNOT_FOUND )
2926     {
2927         delete m_typeinfo[loc];
2928         m_typeinfo[loc] = info;
2929     }
2930     else
2931     {
2932         m_typeinfo.Add(info);
2933     }
2934 }
2935
2936 int wxGridTypeRegistry::FindRegisteredDataType(const wxString& typeName)
2937 {
2938     size_t count = m_typeinfo.GetCount();
2939     for ( size_t i = 0; i < count; i++ )
2940     {
2941         if ( typeName == m_typeinfo[i]->m_typeName )
2942         {
2943             return i;
2944         }
2945     }
2946
2947     return wxNOT_FOUND;
2948 }
2949
2950 int wxGridTypeRegistry::FindDataType(const wxString& typeName)
2951 {
2952     int index = FindRegisteredDataType(typeName);
2953     if ( index == wxNOT_FOUND )
2954     {
2955         // check whether this is one of the standard ones, in which case
2956         // register it "on the fly"
2957 #if wxUSE_TEXTCTRL
2958         if ( typeName == wxGRID_VALUE_STRING )
2959         {
2960             RegisterDataType(wxGRID_VALUE_STRING,
2961                              new wxGridCellStringRenderer,
2962                              new wxGridCellTextEditor);
2963         }
2964         else
2965 #endif // wxUSE_TEXTCTRL
2966 #if wxUSE_CHECKBOX
2967         if ( typeName == wxGRID_VALUE_BOOL )
2968         {
2969             RegisterDataType(wxGRID_VALUE_BOOL,
2970                              new wxGridCellBoolRenderer,
2971                              new wxGridCellBoolEditor);
2972         }
2973         else
2974 #endif // wxUSE_CHECKBOX
2975 #if wxUSE_TEXTCTRL
2976         if ( typeName == wxGRID_VALUE_NUMBER )
2977         {
2978             RegisterDataType(wxGRID_VALUE_NUMBER,
2979                              new wxGridCellNumberRenderer,
2980                              new wxGridCellNumberEditor);
2981         }
2982         else if ( typeName == wxGRID_VALUE_FLOAT )
2983         {
2984             RegisterDataType(wxGRID_VALUE_FLOAT,
2985                              new wxGridCellFloatRenderer,
2986                              new wxGridCellFloatEditor);
2987         }
2988         else
2989 #endif // wxUSE_TEXTCTRL
2990 #if wxUSE_COMBOBOX
2991         if ( typeName == wxGRID_VALUE_CHOICE )
2992         {
2993             RegisterDataType(wxGRID_VALUE_CHOICE,
2994                              new wxGridCellStringRenderer,
2995                              new wxGridCellChoiceEditor);
2996         }
2997         else
2998 #endif // wxUSE_COMBOBOX
2999         {
3000             return wxNOT_FOUND;
3001         }
3002
3003         // we get here only if just added the entry for this type, so return
3004         // the last index
3005         index = m_typeinfo.GetCount() - 1;
3006     }
3007
3008     return index;
3009 }
3010
3011 int wxGridTypeRegistry::FindOrCloneDataType(const wxString& typeName)
3012 {
3013     int index = FindDataType(typeName);
3014     if ( index == wxNOT_FOUND )
3015     {
3016         // the first part of the typename is the "real" type, anything after ':'
3017         // are the parameters for the renderer
3018         index = FindDataType(typeName.BeforeFirst(_T(':')));
3019         if ( index == wxNOT_FOUND )
3020         {
3021             return wxNOT_FOUND;
3022         }
3023
3024         wxGridCellRenderer *renderer = GetRenderer(index);
3025         wxGridCellRenderer *rendererOld = renderer;
3026         renderer = renderer->Clone();
3027         rendererOld->DecRef();
3028
3029         wxGridCellEditor *editor = GetEditor(index);
3030         wxGridCellEditor *editorOld = editor;
3031         editor = editor->Clone();
3032         editorOld->DecRef();
3033
3034         // do it even if there are no parameters to reset them to defaults
3035         wxString params = typeName.AfterFirst(_T(':'));
3036         renderer->SetParameters(params);
3037         editor->SetParameters(params);
3038
3039         // register the new typename
3040         RegisterDataType(typeName, renderer, editor);
3041
3042         // we just registered it, it's the last one
3043         index = m_typeinfo.GetCount() - 1;
3044     }
3045
3046     return index;
3047 }
3048
3049 wxGridCellRenderer* wxGridTypeRegistry::GetRenderer(int index)
3050 {
3051     wxGridCellRenderer* renderer = m_typeinfo[index]->m_renderer;
3052     if (renderer)
3053         renderer->IncRef();
3054
3055     return renderer;
3056 }
3057
3058 wxGridCellEditor* wxGridTypeRegistry::GetEditor(int index)
3059 {
3060     wxGridCellEditor* editor = m_typeinfo[index]->m_editor;
3061     if (editor)
3062         editor->IncRef();
3063
3064     return editor;
3065 }
3066
3067 // ----------------------------------------------------------------------------
3068 // wxGridTableBase
3069 // ----------------------------------------------------------------------------
3070
3071 IMPLEMENT_ABSTRACT_CLASS( wxGridTableBase, wxObject )
3072
3073 wxGridTableBase::wxGridTableBase()
3074 {
3075     m_view = (wxGrid *) NULL;
3076     m_attrProvider = (wxGridCellAttrProvider *) NULL;
3077 }
3078
3079 wxGridTableBase::~wxGridTableBase()
3080 {
3081     delete m_attrProvider;
3082 }
3083
3084 void wxGridTableBase::SetAttrProvider(wxGridCellAttrProvider *attrProvider)
3085 {
3086     delete m_attrProvider;
3087     m_attrProvider = attrProvider;
3088 }
3089
3090 bool wxGridTableBase::CanHaveAttributes()
3091 {
3092     if ( ! GetAttrProvider() )
3093     {
3094         // use the default attr provider by default
3095         SetAttrProvider(new wxGridCellAttrProvider);
3096     }
3097
3098     return true;
3099 }
3100
3101 wxGridCellAttr *wxGridTableBase::GetAttr(int row, int col, wxGridCellAttr::wxAttrKind  kind)
3102 {
3103     if ( m_attrProvider )
3104         return m_attrProvider->GetAttr(row, col, kind);
3105     else
3106         return (wxGridCellAttr *)NULL;
3107 }
3108
3109 void wxGridTableBase::SetAttr(wxGridCellAttr* attr, int row, int col)
3110 {
3111     if ( m_attrProvider )
3112     {
3113         attr->SetKind(wxGridCellAttr::Cell);
3114         m_attrProvider->SetAttr(attr, row, col);
3115     }
3116     else
3117     {
3118         // as we take ownership of the pointer and don't store it, we must
3119         // free it now
3120         wxSafeDecRef(attr);
3121     }
3122 }
3123
3124 void wxGridTableBase::SetRowAttr(wxGridCellAttr *attr, int row)
3125 {
3126     if ( m_attrProvider )
3127     {
3128         attr->SetKind(wxGridCellAttr::Row);
3129         m_attrProvider->SetRowAttr(attr, row);
3130     }
3131     else
3132     {
3133         // as we take ownership of the pointer and don't store it, we must
3134         // free it now
3135         wxSafeDecRef(attr);
3136     }
3137 }
3138
3139 void wxGridTableBase::SetColAttr(wxGridCellAttr *attr, int col)
3140 {
3141     if ( m_attrProvider )
3142     {
3143         attr->SetKind(wxGridCellAttr::Col);
3144         m_attrProvider->SetColAttr(attr, col);
3145     }
3146     else
3147     {
3148         // as we take ownership of the pointer and don't store it, we must
3149         // free it now
3150         wxSafeDecRef(attr);
3151     }
3152 }
3153
3154 bool wxGridTableBase::InsertRows( size_t WXUNUSED(pos),
3155                                   size_t WXUNUSED(numRows) )
3156 {
3157     wxFAIL_MSG( wxT("Called grid table class function InsertRows\nbut your derived table class does not override this function") );
3158
3159     return false;
3160 }
3161
3162 bool wxGridTableBase::AppendRows( size_t WXUNUSED(numRows) )
3163 {
3164     wxFAIL_MSG( wxT("Called grid table class function AppendRows\nbut your derived table class does not override this function"));
3165
3166     return false;
3167 }
3168
3169 bool wxGridTableBase::DeleteRows( size_t WXUNUSED(pos),
3170                                   size_t WXUNUSED(numRows) )
3171 {
3172     wxFAIL_MSG( wxT("Called grid table class function DeleteRows\nbut your derived table class does not override this function"));
3173
3174     return false;
3175 }
3176
3177 bool wxGridTableBase::InsertCols( size_t WXUNUSED(pos),
3178                                   size_t WXUNUSED(numCols) )
3179 {
3180     wxFAIL_MSG( wxT("Called grid table class function InsertCols\nbut your derived table class does not override this function"));
3181
3182     return false;
3183 }
3184
3185 bool wxGridTableBase::AppendCols( size_t WXUNUSED(numCols) )
3186 {
3187     wxFAIL_MSG(wxT("Called grid table class function AppendCols\nbut your derived table class does not override this function"));
3188
3189     return false;
3190 }
3191
3192 bool wxGridTableBase::DeleteCols( size_t WXUNUSED(pos),
3193                                   size_t WXUNUSED(numCols) )
3194 {
3195     wxFAIL_MSG( wxT("Called grid table class function DeleteCols\nbut your derived table class does not override this function"));
3196
3197     return false;
3198 }
3199
3200 wxString wxGridTableBase::GetRowLabelValue( int row )
3201 {
3202     wxString s;
3203
3204     // RD: Starting the rows at zero confuses users,
3205     // no matter how much it makes sense to us geeks.
3206     s << row + 1;
3207
3208     return s;
3209 }
3210
3211 wxString wxGridTableBase::GetColLabelValue( int col )
3212 {
3213     // default col labels are:
3214     //   cols 0 to 25   : A-Z
3215     //   cols 26 to 675 : AA-ZZ
3216     //   etc.
3217
3218     wxString s;
3219     unsigned int i, n;
3220     for ( n = 1; ; n++ )
3221     {
3222         s += (wxChar) (_T('A') + (wxChar)(col % 26));
3223         col = col / 26 - 1;
3224         if ( col < 0 )
3225             break;
3226     }
3227
3228     // reverse the string...
3229     wxString s2;
3230     for ( i = 0; i < n; i++ )
3231     {
3232         s2 += s[n - i - 1];
3233     }
3234
3235     return s2;
3236 }
3237
3238 wxString wxGridTableBase::GetTypeName( int WXUNUSED(row), int WXUNUSED(col) )
3239 {
3240     return wxGRID_VALUE_STRING;
3241 }
3242
3243 bool wxGridTableBase::CanGetValueAs( int WXUNUSED(row), int WXUNUSED(col),
3244                                      const wxString& typeName )
3245 {
3246     return typeName == wxGRID_VALUE_STRING;
3247 }
3248
3249 bool wxGridTableBase::CanSetValueAs( int row, int col, const wxString& typeName )
3250 {
3251     return CanGetValueAs(row, col, typeName);
3252 }
3253
3254 long wxGridTableBase::GetValueAsLong( int WXUNUSED(row), int WXUNUSED(col) )
3255 {
3256     return 0;
3257 }
3258
3259 double wxGridTableBase::GetValueAsDouble( int WXUNUSED(row), int WXUNUSED(col) )
3260 {
3261     return 0.0;
3262 }
3263
3264 bool wxGridTableBase::GetValueAsBool( int WXUNUSED(row), int WXUNUSED(col) )
3265 {
3266     return false;
3267 }
3268
3269 void wxGridTableBase::SetValueAsLong( int WXUNUSED(row), int WXUNUSED(col),
3270                                       long WXUNUSED(value) )
3271 {
3272 }
3273
3274 void wxGridTableBase::SetValueAsDouble( int WXUNUSED(row), int WXUNUSED(col),
3275                                         double WXUNUSED(value) )
3276 {
3277 }
3278
3279 void wxGridTableBase::SetValueAsBool( int WXUNUSED(row), int WXUNUSED(col),
3280                                       bool WXUNUSED(value) )
3281 {
3282 }
3283
3284 void* wxGridTableBase::GetValueAsCustom( int WXUNUSED(row), int WXUNUSED(col),
3285                                          const wxString& WXUNUSED(typeName) )
3286 {
3287     return NULL;
3288 }
3289
3290 void  wxGridTableBase::SetValueAsCustom( int WXUNUSED(row), int WXUNUSED(col),
3291                                          const wxString& WXUNUSED(typeName),
3292                                          void* WXUNUSED(value) )
3293 {
3294 }
3295
3296 //////////////////////////////////////////////////////////////////////
3297 //
3298 // Message class for the grid table to send requests and notifications
3299 // to the grid view
3300 //
3301
3302 wxGridTableMessage::wxGridTableMessage()
3303 {
3304     m_table = (wxGridTableBase *) NULL;
3305     m_id = -1;
3306     m_comInt1 = -1;
3307     m_comInt2 = -1;
3308 }
3309
3310 wxGridTableMessage::wxGridTableMessage( wxGridTableBase *table, int id,
3311                                         int commandInt1, int commandInt2 )
3312 {
3313     m_table = table;
3314     m_id = id;
3315     m_comInt1 = commandInt1;
3316     m_comInt2 = commandInt2;
3317 }
3318
3319 //////////////////////////////////////////////////////////////////////
3320 //
3321 // A basic grid table for string data. An object of this class will
3322 // created by wxGrid if you don't specify an alternative table class.
3323 //
3324
3325 WX_DEFINE_OBJARRAY(wxGridStringArray)
3326
3327 IMPLEMENT_DYNAMIC_CLASS( wxGridStringTable, wxGridTableBase )
3328
3329 wxGridStringTable::wxGridStringTable()
3330         : wxGridTableBase()
3331 {
3332 }
3333
3334 wxGridStringTable::wxGridStringTable( int numRows, int numCols )
3335         : wxGridTableBase()
3336 {
3337     m_data.Alloc( numRows );
3338
3339     wxArrayString sa;
3340     sa.Alloc( numCols );
3341     sa.Add( wxEmptyString, numCols );
3342
3343     m_data.Add( sa, numRows );
3344 }
3345
3346 wxGridStringTable::~wxGridStringTable()
3347 {
3348 }
3349
3350 int wxGridStringTable::GetNumberRows()
3351 {
3352     return m_data.GetCount();
3353 }
3354
3355 int wxGridStringTable::GetNumberCols()
3356 {
3357     if ( m_data.GetCount() > 0 )
3358         return m_data[0].GetCount();
3359     else
3360         return 0;
3361 }
3362
3363 wxString wxGridStringTable::GetValue( int row, int col )
3364 {
3365     wxCHECK_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),
3366                  wxEmptyString,
3367                  _T("invalid row or column index in wxGridStringTable") );
3368
3369     return m_data[row][col];
3370 }
3371
3372 void wxGridStringTable::SetValue( int row, int col, const wxString& value )
3373 {
3374     wxCHECK_RET( (row < GetNumberRows()) && (col < GetNumberCols()),
3375                  _T("invalid row or column index in wxGridStringTable") );
3376
3377     m_data[row][col] = value;
3378 }
3379
3380 bool wxGridStringTable::IsEmptyCell( int row, int col )
3381 {
3382     wxCHECK_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),
3383                  true,
3384                   _T("invalid row or column index in wxGridStringTable") );
3385
3386     return (m_data[row][col] == wxEmptyString);
3387 }
3388
3389 void wxGridStringTable::Clear()
3390 {
3391     int row, col;
3392     int numRows, numCols;
3393
3394     numRows = m_data.GetCount();
3395     if ( numRows > 0 )
3396     {
3397         numCols = m_data[0].GetCount();
3398
3399         for ( row = 0; row < numRows; row++ )
3400         {
3401             for ( col = 0; col < numCols; col++ )
3402             {
3403                 m_data[row][col] = wxEmptyString;
3404             }
3405         }
3406     }
3407 }
3408
3409 bool wxGridStringTable::InsertRows( size_t pos, size_t numRows )
3410 {
3411     size_t curNumRows = m_data.GetCount();
3412     size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
3413                           ( GetView() ? GetView()->GetNumberCols() : 0 ) );
3414
3415     if ( pos >= curNumRows )
3416     {
3417         return AppendRows( numRows );
3418     }
3419
3420     wxArrayString sa;
3421     sa.Alloc( curNumCols );
3422     sa.Add( wxEmptyString, curNumCols );
3423     m_data.Insert( sa, pos, numRows );
3424
3425     if ( GetView() )
3426     {
3427         wxGridTableMessage msg( this,
3428                                 wxGRIDTABLE_NOTIFY_ROWS_INSERTED,
3429                                 pos,
3430                                 numRows );
3431
3432         GetView()->ProcessTableMessage( msg );
3433     }
3434
3435     return true;
3436 }
3437
3438 bool wxGridStringTable::AppendRows( size_t numRows )
3439 {
3440     size_t curNumRows = m_data.GetCount();
3441     size_t curNumCols = ( curNumRows > 0
3442                          ? m_data[0].GetCount()
3443                          : ( GetView() ? GetView()->GetNumberCols() : 0 ) );
3444
3445     wxArrayString sa;
3446     if ( curNumCols > 0 )
3447     {
3448         sa.Alloc( curNumCols );
3449         sa.Add( wxEmptyString, curNumCols );
3450     }
3451
3452     m_data.Add( sa, numRows );
3453
3454     if ( GetView() )
3455     {
3456         wxGridTableMessage msg( this,
3457                                 wxGRIDTABLE_NOTIFY_ROWS_APPENDED,
3458                                 numRows );
3459
3460         GetView()->ProcessTableMessage( msg );
3461     }
3462
3463     return true;
3464 }
3465
3466 bool wxGridStringTable::DeleteRows( size_t pos, size_t numRows )
3467 {
3468     size_t curNumRows = m_data.GetCount();
3469
3470     if ( pos >= curNumRows )
3471     {
3472         wxFAIL_MSG( wxString::Format
3473                     (
3474                         wxT("Called wxGridStringTable::DeleteRows(pos=%lu, N=%lu)\nPos value is invalid for present table with %lu rows"),
3475                         (unsigned long)pos,
3476                         (unsigned long)numRows,
3477                         (unsigned long)curNumRows
3478                     ) );
3479
3480         return false;
3481     }
3482
3483     if ( numRows > curNumRows - pos )
3484     {
3485         numRows = curNumRows - pos;
3486     }
3487
3488     if ( numRows >= curNumRows )
3489     {
3490         m_data.Clear();
3491     }
3492     else
3493     {
3494         m_data.RemoveAt( pos, numRows );
3495     }
3496
3497     if ( GetView() )
3498     {
3499         wxGridTableMessage msg( this,
3500                                 wxGRIDTABLE_NOTIFY_ROWS_DELETED,
3501                                 pos,
3502                                 numRows );
3503
3504         GetView()->ProcessTableMessage( msg );
3505     }
3506
3507     return true;
3508 }
3509
3510 bool wxGridStringTable::InsertCols( size_t pos, size_t numCols )
3511 {
3512     size_t row, col;
3513
3514     size_t curNumRows = m_data.GetCount();
3515     size_t curNumCols = ( curNumRows > 0
3516                          ? m_data[0].GetCount()
3517                          : ( GetView() ? GetView()->GetNumberCols() : 0 ) );
3518
3519     if ( pos >= curNumCols )
3520     {
3521         return AppendCols( numCols );
3522     }
3523
3524     if ( !m_colLabels.IsEmpty() )
3525     {
3526         m_colLabels.Insert( wxEmptyString, pos, numCols );
3527
3528         size_t i;
3529         for ( i = pos; i < pos + numCols; i++ )
3530             m_colLabels[i] = wxGridTableBase::GetColLabelValue( i );
3531     }
3532
3533     for ( row = 0; row < curNumRows; row++ )
3534     {
3535         for ( col = pos; col < pos + numCols; col++ )
3536         {
3537             m_data[row].Insert( wxEmptyString, col );
3538         }
3539     }
3540
3541     if ( GetView() )
3542     {
3543         wxGridTableMessage msg( this,
3544                                 wxGRIDTABLE_NOTIFY_COLS_INSERTED,
3545                                 pos,
3546                                 numCols );
3547
3548         GetView()->ProcessTableMessage( msg );
3549     }
3550
3551     return true;
3552 }
3553
3554 bool wxGridStringTable::AppendCols( size_t numCols )
3555 {
3556     size_t row;
3557
3558     size_t curNumRows = m_data.GetCount();
3559
3560 #if 0
3561     if ( !curNumRows )
3562     {
3563         // TODO: something better than this ?
3564         //
3565         wxFAIL_MSG( wxT("Unable to append cols to a grid table with no rows.\nCall AppendRows() first") );
3566         return false;
3567     }
3568 #endif
3569
3570     for ( row = 0; row < curNumRows; row++ )
3571     {
3572         m_data[row].Add( wxEmptyString, numCols );
3573     }
3574
3575     if ( GetView() )
3576     {
3577         wxGridTableMessage msg( this,
3578                                 wxGRIDTABLE_NOTIFY_COLS_APPENDED,
3579                                 numCols );
3580
3581         GetView()->ProcessTableMessage( msg );
3582     }
3583
3584     return true;
3585 }
3586
3587 bool wxGridStringTable::DeleteCols( size_t pos, size_t numCols )
3588 {
3589     size_t row;
3590
3591     size_t curNumRows = m_data.GetCount();
3592     size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
3593                           ( GetView() ? GetView()->GetNumberCols() : 0 ) );
3594
3595     if ( pos >= curNumCols )
3596     {
3597         wxFAIL_MSG( wxString::Format
3598                     (
3599                         wxT("Called wxGridStringTable::DeleteCols(pos=%lu, N=%lu)\nPos value is invalid for present table with %lu cols"),
3600                         (unsigned long)pos,
3601                         (unsigned long)numCols,
3602                         (unsigned long)curNumCols
3603                     ) );
3604         return false;
3605     }
3606
3607     int colID;
3608     if ( GetView() )
3609         colID = GetView()->GetColAt( pos );
3610     else
3611         colID = pos;
3612
3613     if ( numCols > curNumCols - colID )
3614     {
3615         numCols = curNumCols - colID;
3616     }
3617
3618     if ( !m_colLabels.IsEmpty() )
3619     {
3620         m_colLabels.RemoveAt( colID, numCols );
3621     }
3622
3623     for ( row = 0; row < curNumRows; row++ )
3624     {
3625         if ( numCols >= curNumCols )
3626         {
3627             m_data[row].Clear();
3628         }
3629         else
3630         {
3631             m_data[row].RemoveAt( colID, numCols );
3632         }
3633     }
3634
3635     if ( GetView() )
3636     {
3637         wxGridTableMessage msg( this,
3638                                 wxGRIDTABLE_NOTIFY_COLS_DELETED,
3639                                 pos,
3640                                 numCols );
3641
3642         GetView()->ProcessTableMessage( msg );
3643     }
3644
3645     return true;
3646 }
3647
3648 wxString wxGridStringTable::GetRowLabelValue( int row )
3649 {
3650     if ( row > (int)(m_rowLabels.GetCount()) - 1 )
3651     {
3652         // using default label
3653         //
3654         return wxGridTableBase::GetRowLabelValue( row );
3655     }
3656     else
3657     {
3658         return m_rowLabels[row];
3659     }
3660 }
3661
3662 wxString wxGridStringTable::GetColLabelValue( int col )
3663 {
3664     if ( col > (int)(m_colLabels.GetCount()) - 1 )
3665     {
3666         // using default label
3667         //
3668         return wxGridTableBase::GetColLabelValue( col );
3669     }
3670     else
3671     {
3672         return m_colLabels[col];
3673     }
3674 }
3675
3676 void wxGridStringTable::SetRowLabelValue( int row, const wxString& value )
3677 {
3678     if ( row > (int)(m_rowLabels.GetCount()) - 1 )
3679     {
3680         int n = m_rowLabels.GetCount();
3681         int i;
3682
3683         for ( i = n; i <= row; i++ )
3684         {
3685             m_rowLabels.Add( wxGridTableBase::GetRowLabelValue(i) );
3686         }
3687     }
3688
3689     m_rowLabels[row] = value;
3690 }
3691
3692 void wxGridStringTable::SetColLabelValue( int col, const wxString& value )
3693 {
3694     if ( col > (int)(m_colLabels.GetCount()) - 1 )
3695     {
3696         int n = m_colLabels.GetCount();
3697         int i;
3698
3699         for ( i = n; i <= col; i++ )
3700         {
3701             m_colLabels.Add( wxGridTableBase::GetColLabelValue(i) );
3702         }
3703     }
3704
3705     m_colLabels[col] = value;
3706 }
3707
3708
3709 //////////////////////////////////////////////////////////////////////
3710 //////////////////////////////////////////////////////////////////////
3711
3712 IMPLEMENT_DYNAMIC_CLASS( wxGridRowLabelWindow, wxWindow )
3713
3714 BEGIN_EVENT_TABLE( wxGridRowLabelWindow, wxWindow )
3715     EVT_PAINT( wxGridRowLabelWindow::OnPaint )
3716     EVT_MOUSEWHEEL( wxGridRowLabelWindow::OnMouseWheel )
3717     EVT_MOUSE_EVENTS( wxGridRowLabelWindow::OnMouseEvent )
3718     EVT_KEY_DOWN( wxGridRowLabelWindow::OnKeyDown )
3719     EVT_KEY_UP( wxGridRowLabelWindow::OnKeyUp )
3720     EVT_CHAR( wxGridRowLabelWindow::OnChar )
3721 END_EVENT_TABLE()
3722
3723 wxGridRowLabelWindow::wxGridRowLabelWindow( wxGrid *parent,
3724                                             wxWindowID id,
3725                                             const wxPoint &pos, const wxSize &size )
3726   : wxWindow( parent, id, pos, size, wxWANTS_CHARS | wxBORDER_NONE | wxFULL_REPAINT_ON_RESIZE )
3727 {
3728     m_owner = parent;
3729 }
3730
3731 void wxGridRowLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
3732 {
3733     wxPaintDC dc(this);
3734
3735     // NO - don't do this because it will set both the x and y origin
3736     // coords to match the parent scrolled window and we just want to
3737     // set the y coord  - MB
3738     //
3739     // m_owner->PrepareDC( dc );
3740
3741     int x, y;
3742     m_owner->CalcUnscrolledPosition( 0, 0, &x, &y );
3743     wxPoint pt = dc.GetDeviceOrigin();
3744     dc.SetDeviceOrigin( pt.x, pt.y-y );
3745
3746     wxArrayInt rows = m_owner->CalcRowLabelsExposed( GetUpdateRegion() );
3747     m_owner->DrawRowLabels( dc, rows );
3748 }
3749
3750 void wxGridRowLabelWindow::OnMouseEvent( wxMouseEvent& event )
3751 {
3752     m_owner->ProcessRowLabelMouseEvent( event );
3753 }
3754
3755 void wxGridRowLabelWindow::OnMouseWheel( wxMouseEvent& event )
3756 {
3757     m_owner->GetEventHandler()->ProcessEvent( event );
3758 }
3759
3760 // This seems to be required for wxMotif otherwise the mouse
3761 // cursor must be in the cell edit control to get key events
3762 //
3763 void wxGridRowLabelWindow::OnKeyDown( wxKeyEvent& event )
3764 {
3765     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
3766         event.Skip();
3767 }
3768
3769 void wxGridRowLabelWindow::OnKeyUp( wxKeyEvent& event )
3770 {
3771     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
3772         event.Skip();
3773 }
3774
3775 void wxGridRowLabelWindow::OnChar( wxKeyEvent& event )
3776 {
3777     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
3778         event.Skip();
3779 }
3780
3781 //////////////////////////////////////////////////////////////////////
3782
3783 IMPLEMENT_DYNAMIC_CLASS( wxGridColLabelWindow, wxWindow )
3784
3785 BEGIN_EVENT_TABLE( wxGridColLabelWindow, wxWindow )
3786     EVT_PAINT( wxGridColLabelWindow::OnPaint )
3787     EVT_MOUSEWHEEL( wxGridColLabelWindow::OnMouseWheel )
3788     EVT_MOUSE_EVENTS( wxGridColLabelWindow::OnMouseEvent )
3789     EVT_KEY_DOWN( wxGridColLabelWindow::OnKeyDown )
3790     EVT_KEY_UP( wxGridColLabelWindow::OnKeyUp )
3791     EVT_CHAR( wxGridColLabelWindow::OnChar )
3792 END_EVENT_TABLE()
3793
3794 wxGridColLabelWindow::wxGridColLabelWindow( wxGrid *parent,
3795                                             wxWindowID id,
3796                                             const wxPoint &pos, const wxSize &size )
3797   : wxWindow( parent, id, pos, size, wxWANTS_CHARS | wxBORDER_NONE | wxFULL_REPAINT_ON_RESIZE )
3798 {
3799     m_owner = parent;
3800 }
3801
3802 void wxGridColLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
3803 {
3804     wxPaintDC dc(this);
3805
3806     // NO - don't do this because it will set both the x and y origin
3807     // coords to match the parent scrolled window and we just want to
3808     // set the x coord  - MB
3809     //
3810     // m_owner->PrepareDC( dc );
3811
3812     int x, y;
3813     m_owner->CalcUnscrolledPosition( 0, 0, &x, &y );
3814     wxPoint pt = dc.GetDeviceOrigin();
3815     if (GetLayoutDirection() == wxLayout_RightToLeft)
3816         dc.SetDeviceOrigin( pt.x+x, pt.y );
3817     else
3818         dc.SetDeviceOrigin( pt.x-x, pt.y );
3819
3820     wxArrayInt cols = m_owner->CalcColLabelsExposed( GetUpdateRegion() );
3821     m_owner->DrawColLabels( dc, cols );
3822 }
3823
3824 void wxGridColLabelWindow::OnMouseEvent( wxMouseEvent& event )
3825 {
3826     m_owner->ProcessColLabelMouseEvent( event );
3827 }
3828
3829 void wxGridColLabelWindow::OnMouseWheel( wxMouseEvent& event )
3830 {
3831     m_owner->GetEventHandler()->ProcessEvent( event );
3832 }
3833
3834 // This seems to be required for wxMotif otherwise the mouse
3835 // cursor must be in the cell edit control to get key events
3836 //
3837 void wxGridColLabelWindow::OnKeyDown( wxKeyEvent& event )
3838 {
3839     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
3840         event.Skip();
3841 }
3842
3843 void wxGridColLabelWindow::OnKeyUp( wxKeyEvent& event )
3844 {
3845     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
3846         event.Skip();
3847 }
3848
3849 void wxGridColLabelWindow::OnChar( wxKeyEvent& event )
3850 {
3851     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
3852         event.Skip();
3853 }
3854
3855 //////////////////////////////////////////////////////////////////////
3856
3857 IMPLEMENT_DYNAMIC_CLASS( wxGridCornerLabelWindow, wxWindow )
3858
3859 BEGIN_EVENT_TABLE( wxGridCornerLabelWindow, wxWindow )
3860     EVT_MOUSEWHEEL( wxGridCornerLabelWindow::OnMouseWheel )
3861     EVT_MOUSE_EVENTS( wxGridCornerLabelWindow::OnMouseEvent )
3862     EVT_PAINT( wxGridCornerLabelWindow::OnPaint )
3863     EVT_KEY_DOWN( wxGridCornerLabelWindow::OnKeyDown )
3864     EVT_KEY_UP( wxGridCornerLabelWindow::OnKeyUp )
3865     EVT_CHAR( wxGridCornerLabelWindow::OnChar )
3866 END_EVENT_TABLE()
3867
3868 wxGridCornerLabelWindow::wxGridCornerLabelWindow( wxGrid *parent,
3869                                                   wxWindowID id,
3870                                                   const wxPoint &pos, const wxSize &size )
3871   : wxWindow( parent, id, pos, size, wxWANTS_CHARS | wxBORDER_NONE | wxFULL_REPAINT_ON_RESIZE )
3872 {
3873     m_owner = parent;
3874 }
3875
3876 void wxGridCornerLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
3877 {
3878     wxPaintDC dc(this);
3879
3880     int client_height = 0;
3881     int client_width = 0;
3882     GetClientSize( &client_width, &client_height );
3883
3884     // VZ: any reason for this ifdef? (FIXME)
3885 #if 0
3886 def __WXGTK__
3887     wxRect rect;
3888     rect.SetX( 1 );
3889     rect.SetY( 1 );
3890     rect.SetWidth( client_width - 2 );
3891     rect.SetHeight( client_height - 2 );
3892
3893     wxRendererNative::Get().DrawHeaderButton( this, dc, rect, 0 );
3894 #else // !__WXGTK__
3895     dc.SetPen( wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW), 1, wxSOLID) );
3896     dc.DrawLine( client_width - 1, client_height - 1, client_width - 1, 0 );
3897     dc.DrawLine( client_width - 1, client_height - 1, 0, client_height - 1 );
3898     dc.DrawLine( 0, 0, client_width, 0 );
3899     dc.DrawLine( 0, 0, 0, client_height );
3900
3901     dc.SetPen( *wxWHITE_PEN );
3902     dc.DrawLine( 1, 1, client_width - 1, 1 );
3903     dc.DrawLine( 1, 1, 1, client_height - 1 );
3904 #endif
3905 }
3906
3907 void wxGridCornerLabelWindow::OnMouseEvent( wxMouseEvent& event )
3908 {
3909     m_owner->ProcessCornerLabelMouseEvent( event );
3910 }
3911
3912 void wxGridCornerLabelWindow::OnMouseWheel( wxMouseEvent& event )
3913 {
3914     m_owner->GetEventHandler()->ProcessEvent(event);
3915 }
3916
3917 // This seems to be required for wxMotif otherwise the mouse
3918 // cursor must be in the cell edit control to get key events
3919 //
3920 void wxGridCornerLabelWindow::OnKeyDown( wxKeyEvent& event )
3921 {
3922     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
3923         event.Skip();
3924 }
3925
3926 void wxGridCornerLabelWindow::OnKeyUp( wxKeyEvent& event )
3927 {
3928     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
3929         event.Skip();
3930 }
3931
3932 void wxGridCornerLabelWindow::OnChar( wxKeyEvent& event )
3933 {
3934     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
3935         event.Skip();
3936 }
3937
3938 //////////////////////////////////////////////////////////////////////
3939
3940 IMPLEMENT_DYNAMIC_CLASS( wxGridWindow, wxWindow )
3941
3942 BEGIN_EVENT_TABLE( wxGridWindow, wxWindow )
3943     EVT_PAINT( wxGridWindow::OnPaint )
3944     EVT_MOUSEWHEEL( wxGridWindow::OnMouseWheel )
3945     EVT_MOUSE_EVENTS( wxGridWindow::OnMouseEvent )
3946     EVT_KEY_DOWN( wxGridWindow::OnKeyDown )
3947     EVT_KEY_UP( wxGridWindow::OnKeyUp )
3948     EVT_CHAR( wxGridWindow::OnChar )
3949     EVT_SET_FOCUS( wxGridWindow::OnFocus )
3950     EVT_KILL_FOCUS( wxGridWindow::OnFocus )
3951     EVT_ERASE_BACKGROUND( wxGridWindow::OnEraseBackground )
3952 END_EVENT_TABLE()
3953
3954 wxGridWindow::wxGridWindow( wxGrid *parent,
3955                             wxGridRowLabelWindow *rowLblWin,
3956                             wxGridColLabelWindow *colLblWin,
3957                             wxWindowID id,
3958                             const wxPoint &pos,
3959                             const wxSize &size )
3960             : wxWindow(
3961                 parent, id, pos, size,
3962                 wxWANTS_CHARS | wxBORDER_NONE | wxCLIP_CHILDREN | wxFULL_REPAINT_ON_RESIZE,
3963                 wxT("grid window") )
3964 {
3965     m_owner = parent;
3966     m_rowLabelWin = rowLblWin;
3967     m_colLabelWin = colLblWin;
3968 }
3969
3970 void wxGridWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
3971 {
3972     wxPaintDC dc( this );
3973     m_owner->PrepareDC( dc );
3974     wxRegion reg = GetUpdateRegion();
3975     wxGridCellCoordsArray dirtyCells = m_owner->CalcCellsExposed( reg );
3976     m_owner->DrawGridCellArea( dc, dirtyCells );
3977
3978 #if WXGRID_DRAW_LINES
3979     m_owner->DrawAllGridLines( dc, reg );
3980 #endif
3981
3982     m_owner->DrawGridSpace( dc );
3983     m_owner->DrawHighlight( dc, dirtyCells );
3984 }
3985
3986 void wxGridWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
3987 {
3988     wxWindow::ScrollWindow( dx, dy, rect );
3989     m_rowLabelWin->ScrollWindow( 0, dy, rect );
3990     m_colLabelWin->ScrollWindow( dx, 0, rect );
3991 }
3992
3993 void wxGridWindow::OnMouseEvent( wxMouseEvent& event )
3994 {
3995     if (event.ButtonDown(wxMOUSE_BTN_LEFT) && FindFocus() != this)
3996         SetFocus();
3997
3998     m_owner->ProcessGridCellMouseEvent( event );
3999 }
4000
4001 void wxGridWindow::OnMouseWheel( wxMouseEvent& event )
4002 {
4003     m_owner->GetEventHandler()->ProcessEvent( event );
4004 }
4005
4006 // This seems to be required for wxMotif/wxGTK otherwise the mouse
4007 // cursor must be in the cell edit control to get key events
4008 //
4009 void wxGridWindow::OnKeyDown( wxKeyEvent& event )
4010 {
4011     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
4012         event.Skip();
4013 }
4014
4015 void wxGridWindow::OnKeyUp( wxKeyEvent& event )
4016 {
4017     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
4018         event.Skip();
4019 }
4020
4021 void wxGridWindow::OnChar( wxKeyEvent& event )
4022 {
4023     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
4024         event.Skip();
4025 }
4026
4027 void wxGridWindow::OnEraseBackground( wxEraseEvent& WXUNUSED(event) )
4028 {
4029 }
4030
4031 void wxGridWindow::OnFocus(wxFocusEvent& event)
4032 {
4033     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
4034         event.Skip();
4035 }
4036
4037 //////////////////////////////////////////////////////////////////////
4038
4039 // Internal Helper function for computing row or column from some
4040 // (unscrolled) coordinate value, using either
4041 // m_defaultRowHeight/m_defaultColWidth or binary search on array
4042 // of m_rowBottoms/m_ColRights to speed up the search!
4043
4044 // Internal helper macros for simpler use of that function
4045
4046 static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
4047                            const wxArrayInt& BorderArray, int nMax,
4048                            bool clipToMinMax);
4049
4050 #define internalXToCol(x) XToCol(x, true)
4051 #define internalYToRow(y) CoordToRowOrCol(y, m_defaultRowHeight, \
4052                                           m_minAcceptableRowHeight, \
4053                                           m_rowBottoms, m_numRows, true)
4054
4055 /////////////////////////////////////////////////////////////////////
4056
4057 #if wxUSE_EXTENDED_RTTI
4058 WX_DEFINE_FLAGS( wxGridStyle )
4059
4060 wxBEGIN_FLAGS( wxGridStyle )
4061     // new style border flags, we put them first to
4062     // use them for streaming out
4063     wxFLAGS_MEMBER(wxBORDER_SIMPLE)
4064     wxFLAGS_MEMBER(wxBORDER_SUNKEN)
4065     wxFLAGS_MEMBER(wxBORDER_DOUBLE)
4066     wxFLAGS_MEMBER(wxBORDER_RAISED)
4067     wxFLAGS_MEMBER(wxBORDER_STATIC)
4068     wxFLAGS_MEMBER(wxBORDER_NONE)
4069
4070     // old style border flags
4071     wxFLAGS_MEMBER(wxSIMPLE_BORDER)
4072     wxFLAGS_MEMBER(wxSUNKEN_BORDER)
4073     wxFLAGS_MEMBER(wxDOUBLE_BORDER)
4074     wxFLAGS_MEMBER(wxRAISED_BORDER)
4075     wxFLAGS_MEMBER(wxSTATIC_BORDER)
4076     wxFLAGS_MEMBER(wxBORDER)
4077
4078     // standard window styles
4079     wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
4080     wxFLAGS_MEMBER(wxCLIP_CHILDREN)
4081     wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
4082     wxFLAGS_MEMBER(wxWANTS_CHARS)
4083     wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
4084     wxFLAGS_MEMBER(wxALWAYS_SHOW_SB)
4085     wxFLAGS_MEMBER(wxVSCROLL)
4086     wxFLAGS_MEMBER(wxHSCROLL)
4087
4088 wxEND_FLAGS( wxGridStyle )
4089
4090 IMPLEMENT_DYNAMIC_CLASS_XTI(wxGrid, wxScrolledWindow,"wx/grid.h")
4091
4092 wxBEGIN_PROPERTIES_TABLE(wxGrid)
4093     wxHIDE_PROPERTY( Children )
4094     wxPROPERTY_FLAGS( WindowStyle , wxGridStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE, 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
4095 wxEND_PROPERTIES_TABLE()
4096
4097 wxBEGIN_HANDLERS_TABLE(wxGrid)
4098 wxEND_HANDLERS_TABLE()
4099
4100 wxCONSTRUCTOR_5( wxGrid , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size , long , WindowStyle )
4101
4102 /*
4103  TODO : Expose more information of a list's layout, etc. via appropriate objects (e.g., NotebookPageInfo)
4104 */
4105 #else
4106 IMPLEMENT_DYNAMIC_CLASS( wxGrid, wxScrolledWindow )
4107 #endif
4108
4109 BEGIN_EVENT_TABLE( wxGrid, wxScrolledWindow )
4110     EVT_PAINT( wxGrid::OnPaint )
4111     EVT_SIZE( wxGrid::OnSize )
4112     EVT_KEY_DOWN( wxGrid::OnKeyDown )
4113     EVT_KEY_UP( wxGrid::OnKeyUp )
4114     EVT_CHAR ( wxGrid::OnChar )
4115     EVT_ERASE_BACKGROUND( wxGrid::OnEraseBackground )
4116 END_EVENT_TABLE()
4117
4118 wxGrid::wxGrid()
4119 {
4120     // in order to make sure that a size event is not
4121     // trigerred in a unfinished state
4122     m_cornerLabelWin = NULL;
4123     m_rowLabelWin = NULL;
4124     m_colLabelWin = NULL;
4125     m_gridWin = NULL;
4126 }
4127
4128 wxGrid::wxGrid( wxWindow *parent,
4129                  wxWindowID id,
4130                  const wxPoint& pos,
4131                  const wxSize& size,
4132                  long style,
4133                  const wxString& name )
4134   : wxScrolledWindow( parent, id, pos, size, (style | wxWANTS_CHARS), name ),
4135     m_colMinWidths(GRID_HASH_SIZE),
4136     m_rowMinHeights(GRID_HASH_SIZE)
4137 {
4138     Create();
4139     SetBestFittingSize(size);
4140 }
4141
4142 bool wxGrid::Create(wxWindow *parent, wxWindowID id,
4143                           const wxPoint& pos, const wxSize& size,
4144                           long style, const wxString& name)
4145 {
4146     if (!wxScrolledWindow::Create(parent, id, pos, size,
4147                                   style | wxWANTS_CHARS, name))
4148         return false;
4149
4150     m_colMinWidths = wxLongToLongHashMap(GRID_HASH_SIZE);
4151     m_rowMinHeights = wxLongToLongHashMap(GRID_HASH_SIZE);
4152
4153     Create();
4154     SetBestFittingSize(size);
4155
4156     return true;
4157 }
4158
4159 wxGrid::~wxGrid()
4160 {
4161     // Must do this or ~wxScrollHelper will pop the wrong event handler
4162     SetTargetWindow(this);
4163     ClearAttrCache();
4164     wxSafeDecRef(m_defaultCellAttr);
4165
4166 #ifdef DEBUG_ATTR_CACHE
4167     size_t total = gs_nAttrCacheHits + gs_nAttrCacheMisses;
4168     wxPrintf(_T("wxGrid attribute cache statistics: "
4169                 "total: %u, hits: %u (%u%%)\n"),
4170              total, gs_nAttrCacheHits,
4171              total ? (gs_nAttrCacheHits*100) / total : 0);
4172 #endif
4173
4174     if (m_ownTable)
4175         delete m_table;
4176
4177     delete m_typeRegistry;
4178     delete m_selection;
4179 }
4180
4181 //
4182 // ----- internal init and update functions
4183 //
4184
4185 // NOTE: If using the default visual attributes works everywhere then this can
4186 // be removed as well as the #else cases below.
4187 #define _USE_VISATTR 0
4188
4189 void wxGrid::Create()
4190 {
4191     // set to true by CreateGrid
4192     m_created = false;
4193
4194     // create the type registry
4195     m_typeRegistry = new wxGridTypeRegistry;
4196     m_selection = NULL;
4197
4198     m_table = (wxGridTableBase *) NULL;
4199     m_ownTable = false;
4200
4201     m_cellEditCtrlEnabled = false;
4202
4203     m_defaultCellAttr = new wxGridCellAttr();
4204
4205     // Set default cell attributes
4206     m_defaultCellAttr->SetDefAttr(m_defaultCellAttr);
4207     m_defaultCellAttr->SetKind(wxGridCellAttr::Default);
4208     m_defaultCellAttr->SetFont(GetFont());
4209     m_defaultCellAttr->SetAlignment(wxALIGN_LEFT, wxALIGN_TOP);
4210     m_defaultCellAttr->SetRenderer(new wxGridCellStringRenderer);
4211     m_defaultCellAttr->SetEditor(new wxGridCellTextEditor);
4212
4213 #if _USE_VISATTR
4214     wxVisualAttributes gva = wxListBox::GetClassDefaultAttributes();
4215     wxVisualAttributes lva = wxPanel::GetClassDefaultAttributes();
4216
4217     m_defaultCellAttr->SetTextColour(gva.colFg);
4218     m_defaultCellAttr->SetBackgroundColour(gva.colBg);
4219
4220 #else
4221     m_defaultCellAttr->SetTextColour(
4222         wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
4223     m_defaultCellAttr->SetBackgroundColour(
4224         wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
4225 #endif
4226
4227     m_numRows = 0;
4228     m_numCols = 0;
4229     m_currentCellCoords = wxGridNoCellCoords;
4230
4231     m_rowLabelWidth = WXGRID_DEFAULT_ROW_LABEL_WIDTH;
4232     m_colLabelHeight = WXGRID_DEFAULT_COL_LABEL_HEIGHT;
4233
4234     // subwindow components that make up the wxGrid
4235     m_rowLabelWin = new wxGridRowLabelWindow( this,
4236                                               wxID_ANY,
4237                                               wxDefaultPosition,
4238                                               wxDefaultSize );
4239
4240     m_colLabelWin = new wxGridColLabelWindow( this,
4241                                               wxID_ANY,
4242                                               wxDefaultPosition,
4243                                               wxDefaultSize );
4244
4245     m_cornerLabelWin = new wxGridCornerLabelWindow( this,
4246                                                     wxID_ANY,
4247                                                     wxDefaultPosition,
4248                                                     wxDefaultSize );
4249
4250     m_gridWin = new wxGridWindow( this,
4251                                   m_rowLabelWin,
4252                                   m_colLabelWin,
4253                                   wxID_ANY,
4254                                   wxDefaultPosition,
4255                                   wxDefaultSize );
4256
4257     SetTargetWindow( m_gridWin );
4258
4259 #if _USE_VISATTR
4260     wxColour gfg = gva.colFg;
4261     wxColour gbg = gva.colBg;
4262     wxColour lfg = lva.colFg;
4263     wxColour lbg = lva.colBg;
4264 #else
4265     wxColour gfg = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOWTEXT );
4266     wxColour gbg = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOW );
4267     wxColour lfg = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOWTEXT );
4268     wxColour lbg = wxSystemSettings::GetColour( wxSYS_COLOUR_BTNFACE );
4269 #endif
4270
4271     m_cornerLabelWin->SetOwnForegroundColour(lfg);
4272     m_cornerLabelWin->SetOwnBackgroundColour(lbg);
4273     m_rowLabelWin->SetOwnForegroundColour(lfg);
4274     m_rowLabelWin->SetOwnBackgroundColour(lbg);
4275     m_colLabelWin->SetOwnForegroundColour(lfg);
4276     m_colLabelWin->SetOwnBackgroundColour(lbg);
4277
4278     m_gridWin->SetOwnForegroundColour(gfg);
4279     m_gridWin->SetOwnBackgroundColour(gbg);
4280
4281     Init();
4282 }
4283
4284 bool wxGrid::CreateGrid( int numRows, int numCols,
4285                          wxGrid::wxGridSelectionModes selmode )
4286 {
4287     wxCHECK_MSG( !m_created,
4288                  false,
4289                  wxT("wxGrid::CreateGrid or wxGrid::SetTable called more than once") );
4290
4291     m_numRows = numRows;
4292     m_numCols = numCols;
4293
4294     m_table = new wxGridStringTable( m_numRows, m_numCols );
4295     m_table->SetView( this );
4296     m_ownTable = true;
4297     m_selection = new wxGridSelection( this, selmode );
4298
4299     CalcDimensions();
4300
4301     m_created = true;
4302
4303     return m_created;
4304 }
4305
4306 void wxGrid::SetSelectionMode(wxGrid::wxGridSelectionModes selmode)
4307 {
4308     wxCHECK_RET( m_created,
4309                  wxT("Called wxGrid::SetSelectionMode() before calling CreateGrid()") );
4310
4311     m_selection->SetSelectionMode( selmode );
4312 }
4313
4314 wxGrid::wxGridSelectionModes wxGrid::GetSelectionMode() const
4315 {
4316     wxCHECK_MSG( m_created, wxGrid::wxGridSelectCells,
4317                  wxT("Called wxGrid::GetSelectionMode() before calling CreateGrid()") );
4318
4319     return m_selection->GetSelectionMode();
4320 }
4321
4322 bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership,
4323                        wxGrid::wxGridSelectionModes selmode )
4324 {
4325     if ( m_created )
4326     {
4327         // stop all processing
4328         m_created = false;
4329
4330         if (m_ownTable)
4331         {
4332             wxGridTableBase *t = m_table;
4333             m_table = NULL;
4334             delete t;
4335         }
4336
4337         delete m_selection;
4338
4339         m_table = NULL;
4340         m_selection = NULL;
4341         m_numRows = 0;
4342         m_numCols = 0;
4343     }
4344
4345     if (table)
4346     {
4347         m_numRows = table->GetNumberRows();
4348         m_numCols = table->GetNumberCols();
4349
4350         m_table = table;
4351         m_table->SetView( this );
4352         m_ownTable = takeOwnership;
4353         m_selection = new wxGridSelection( this, selmode );
4354
4355         CalcDimensions();
4356
4357         m_created = true;
4358     }
4359
4360     return m_created;
4361 }
4362
4363 void wxGrid::Init()
4364 {
4365     m_rowLabelWidth  = WXGRID_DEFAULT_ROW_LABEL_WIDTH;
4366     m_colLabelHeight = WXGRID_DEFAULT_COL_LABEL_HEIGHT;
4367
4368     if ( m_rowLabelWin )
4369     {
4370         m_labelBackgroundColour = m_rowLabelWin->GetBackgroundColour();
4371     }
4372     else
4373     {
4374         m_labelBackgroundColour = *wxWHITE;
4375     }
4376
4377     m_labelTextColour = *wxBLACK;
4378
4379     // init attr cache
4380     m_attrCache.row = -1;
4381     m_attrCache.col = -1;
4382     m_attrCache.attr = NULL;
4383
4384     // TODO: something better than this ?
4385     //
4386     m_labelFont = this->GetFont();
4387     m_labelFont.SetWeight( wxBOLD );
4388
4389     m_rowLabelHorizAlign = wxALIGN_CENTRE;
4390     m_rowLabelVertAlign  = wxALIGN_CENTRE;
4391
4392     m_colLabelHorizAlign = wxALIGN_CENTRE;
4393     m_colLabelVertAlign  = wxALIGN_CENTRE;
4394     m_colLabelTextOrientation = wxHORIZONTAL;
4395
4396     m_defaultColWidth  = WXGRID_DEFAULT_COL_WIDTH;
4397     m_defaultRowHeight = m_gridWin->GetCharHeight();
4398
4399     m_minAcceptableColWidth  = WXGRID_MIN_COL_WIDTH;
4400     m_minAcceptableRowHeight = WXGRID_MIN_ROW_HEIGHT;
4401
4402 #if defined(__WXMOTIF__) || defined(__WXGTK__)  // see also text ctrl sizing in ShowCellEditControl()
4403     m_defaultRowHeight += 8;
4404 #else
4405     m_defaultRowHeight += 4;
4406 #endif
4407
4408     m_gridLineColour = wxColour( 192,192,192 );
4409     m_gridLinesEnabled = true;
4410     m_cellHighlightColour = *wxBLACK;
4411     m_cellHighlightPenWidth = 2;
4412     m_cellHighlightROPenWidth = 1;
4413
4414     m_canDragColMove = false;
4415
4416     m_cursorMode  = WXGRID_CURSOR_SELECT_CELL;
4417     m_winCapture = (wxWindow *)NULL;
4418     m_canDragRowSize = true;
4419     m_canDragColSize = true;
4420     m_canDragGridSize = true;
4421     m_canDragCell = false;
4422     m_dragLastPos  = -1;
4423     m_dragRowOrCol = -1;
4424     m_isDragging = false;
4425     m_startDragPos = wxDefaultPosition;
4426
4427     m_waitForSlowClick = false;
4428
4429     m_rowResizeCursor = wxCursor( wxCURSOR_SIZENS );
4430     m_colResizeCursor = wxCursor( wxCURSOR_SIZEWE );
4431
4432     m_currentCellCoords = wxGridNoCellCoords;
4433
4434     ClearSelection();
4435
4436     m_selectionBackground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
4437     m_selectionForeground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
4438
4439     m_editable = true;  // default for whole grid
4440
4441     m_inOnKeyDown = false;
4442     m_batchCount = 0;
4443
4444     m_extraWidth =
4445     m_extraHeight = 0;
4446
4447     m_scrollLineX = GRID_SCROLL_LINE_X;
4448     m_scrollLineY = GRID_SCROLL_LINE_Y;
4449 }
4450
4451 // ----------------------------------------------------------------------------
4452 // the idea is to call these functions only when necessary because they create
4453 // quite big arrays which eat memory mostly unnecessary - in particular, if
4454 // default widths/heights are used for all rows/columns, we may not use these
4455 // arrays at all
4456 //
4457 // with some extra code, it should be possible to only store the
4458 // widths/heights different from default ones but this will be done later...
4459 // ----------------------------------------------------------------------------
4460
4461 void wxGrid::InitRowHeights()
4462 {
4463     m_rowHeights.Empty();
4464     m_rowBottoms.Empty();
4465
4466     m_rowHeights.Alloc( m_numRows );
4467     m_rowBottoms.Alloc( m_numRows );
4468
4469     int rowBottom = 0;
4470
4471     m_rowHeights.Add( m_defaultRowHeight, m_numRows );
4472
4473     for ( int i = 0; i < m_numRows; i++ )
4474     {
4475         rowBottom += m_defaultRowHeight;
4476         m_rowBottoms.Add( rowBottom );
4477     }
4478 }
4479
4480 void wxGrid::InitColWidths()
4481 {
4482     m_colWidths.Empty();
4483     m_colRights.Empty();
4484
4485     m_colWidths.Alloc( m_numCols );
4486     m_colRights.Alloc( m_numCols );
4487     int colRight = 0;
4488
4489     m_colWidths.Add( m_defaultColWidth, m_numCols );
4490
4491     for ( int i = 0; i < m_numCols; i++ )
4492     {
4493         colRight = ( GetColPos( i ) + 1 ) * m_defaultColWidth;
4494         m_colRights.Add( colRight );
4495     }
4496 }
4497
4498 int wxGrid::GetColWidth(int col) const
4499 {
4500     return m_colWidths.IsEmpty() ? m_defaultColWidth : m_colWidths[col];
4501 }
4502
4503 int wxGrid::GetColLeft(int col) const
4504 {
4505     return m_colRights.IsEmpty() ? GetColPos( col ) * m_defaultColWidth
4506                                  : m_colRights[col] - m_colWidths[col];
4507 }
4508
4509 int wxGrid::GetColRight(int col) const
4510 {
4511     return m_colRights.IsEmpty() ? (GetColPos( col ) + 1) * m_defaultColWidth
4512                                  : m_colRights[col];
4513 }
4514
4515 int wxGrid::GetRowHeight(int row) const
4516 {
4517     return m_rowHeights.IsEmpty() ? m_defaultRowHeight : m_rowHeights[row];
4518 }
4519
4520 int wxGrid::GetRowTop(int row) const
4521 {
4522     return m_rowBottoms.IsEmpty() ? row * m_defaultRowHeight
4523                                   : m_rowBottoms[row] - m_rowHeights[row];
4524 }
4525
4526 int wxGrid::GetRowBottom(int row) const
4527 {
4528     return m_rowBottoms.IsEmpty() ? (row + 1) * m_defaultRowHeight
4529                                   : m_rowBottoms[row];
4530 }
4531
4532 void wxGrid::CalcDimensions()
4533 {
4534     int cw, ch;
4535     GetClientSize( &cw, &ch );
4536
4537     if ( m_rowLabelWin->IsShown() )
4538         cw -= m_rowLabelWidth;
4539     if ( m_colLabelWin->IsShown() )
4540         ch -= m_colLabelHeight;
4541
4542     // grid total size
4543     int w = m_numCols > 0 ? GetColRight(GetColAt( m_numCols - 1 )) + m_extraWidth + 1 : 0;
4544     int h = m_numRows > 0 ? GetRowBottom(m_numRows - 1) + m_extraHeight + 1 : 0;
4545
4546     // take into account editor if shown
4547     if ( IsCellEditControlShown() )
4548     {
4549         int w2, h2;
4550         int r = m_currentCellCoords.GetRow();
4551         int c = m_currentCellCoords.GetCol();
4552         int x = GetColLeft(c);
4553         int y = GetRowTop(r);
4554
4555         // how big is the editor
4556         wxGridCellAttr* attr = GetCellAttr(r, c);
4557         wxGridCellEditor* editor = attr->GetEditor(this, r, c);
4558         editor->GetControl()->GetSize(&w2, &h2);
4559         w2 += x;
4560         h2 += y;
4561         if ( w2 > w )
4562             w = w2;
4563         if ( h2 > h )
4564             h = h2;
4565         editor->DecRef();
4566         attr->DecRef();
4567     }
4568
4569     // preserve (more or less) the previous position
4570     int x, y;
4571     GetViewStart( &x, &y );
4572
4573     // ensure the position is valid for the new scroll ranges
4574     if ( x >= w )
4575         x = wxMax( w - 1, 0 );
4576     if ( y >= h )
4577         y = wxMax( h - 1, 0 );
4578
4579     // do set scrollbar parameters
4580     SetScrollbars( m_scrollLineX, m_scrollLineY,
4581                    GetScrollX(w), GetScrollY(h), x, y,
4582                    GetBatchCount() != 0);
4583
4584     // if our OnSize() hadn't been called (it would if we have scrollbars), we
4585     // still must reposition the children
4586     CalcWindowSizes();
4587 }
4588
4589 void wxGrid::CalcWindowSizes()
4590 {
4591     // escape if the window is has not been fully created yet
4592
4593     if ( m_cornerLabelWin == NULL )
4594         return;
4595
4596     int cw, ch;
4597     GetClientSize( &cw, &ch );
4598
4599     if ( m_cornerLabelWin && m_cornerLabelWin->IsShown() )
4600         m_cornerLabelWin->SetSize( 0, 0, m_rowLabelWidth, m_colLabelHeight );
4601
4602     if ( m_colLabelWin && m_colLabelWin->IsShown() )
4603         m_colLabelWin->SetSize( m_rowLabelWidth, 0, cw - m_rowLabelWidth, m_colLabelHeight );
4604
4605     if ( m_rowLabelWin && m_rowLabelWin->IsShown() )
4606         m_rowLabelWin->SetSize( 0, m_colLabelHeight, m_rowLabelWidth, ch - m_colLabelHeight );
4607
4608     if ( m_gridWin && m_gridWin->IsShown() )
4609         m_gridWin->SetSize( m_rowLabelWidth, m_colLabelHeight, cw - m_rowLabelWidth, ch - m_colLabelHeight );
4610 }
4611
4612 // this is called when the grid table sends a message
4613 // to indicate that it has been redimensioned
4614 //
4615 bool wxGrid::Redimension( wxGridTableMessage& msg )
4616 {
4617     int i;
4618     bool result = false;
4619
4620     // Clear the attribute cache as the attribute might refer to a different
4621     // cell than stored in the cache after adding/removing rows/columns.
4622     ClearAttrCache();
4623
4624     // By the same reasoning, the editor should be dismissed if columns are
4625     // added or removed. And for consistency, it should IMHO always be
4626     // removed, not only if the cell "underneath" it actually changes.
4627     // For now, I intentionally do not save the editor's content as the
4628     // cell it might want to save that stuff to might no longer exist.
4629     HideCellEditControl();
4630
4631 #if 0
4632     // if we were using the default widths/heights so far, we must change them
4633     // now
4634     if ( m_colWidths.IsEmpty() )
4635     {
4636         InitColWidths();
4637     }
4638
4639     if ( m_rowHeights.IsEmpty() )
4640     {
4641         InitRowHeights();
4642     }
4643 #endif
4644
4645     switch ( msg.GetId() )
4646     {
4647         case wxGRIDTABLE_NOTIFY_ROWS_INSERTED:
4648         {
4649             size_t pos = msg.GetCommandInt();
4650             int numRows = msg.GetCommandInt2();
4651
4652             m_numRows += numRows;
4653
4654             if ( !m_rowHeights.IsEmpty() )
4655             {
4656                 m_rowHeights.Insert( m_defaultRowHeight, pos, numRows );
4657                 m_rowBottoms.Insert( 0, pos, numRows );
4658
4659                 int bottom = 0;
4660                 if ( pos > 0 )
4661                     bottom = m_rowBottoms[pos - 1];
4662
4663                 for ( i = pos; i < m_numRows; i++ )
4664                 {
4665                     bottom += m_rowHeights[i];
4666                     m_rowBottoms[i] = bottom;
4667                 }
4668             }
4669
4670             if ( m_currentCellCoords == wxGridNoCellCoords )
4671             {
4672                 // if we have just inserted cols into an empty grid the current
4673                 // cell will be undefined...
4674                 //
4675                 SetCurrentCell( 0, 0 );
4676             }
4677
4678             if ( m_selection )
4679                 m_selection->UpdateRows( pos, numRows );
4680             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
4681             if (attrProvider)
4682                 attrProvider->UpdateAttrRows( pos, numRows );
4683
4684             if ( !GetBatchCount() )
4685             {
4686                 CalcDimensions();
4687                 m_rowLabelWin->Refresh();
4688             }
4689         }
4690         result = true;
4691         break;
4692
4693         case wxGRIDTABLE_NOTIFY_ROWS_APPENDED:
4694         {
4695             int numRows = msg.GetCommandInt();
4696             int oldNumRows = m_numRows;
4697             m_numRows += numRows;
4698
4699             if ( !m_rowHeights.IsEmpty() )
4700             {
4701                 m_rowHeights.Add( m_defaultRowHeight, numRows );
4702                 m_rowBottoms.Add( 0, numRows );
4703
4704                 int bottom = 0;
4705                 if ( oldNumRows > 0 )
4706                     bottom = m_rowBottoms[oldNumRows - 1];
4707
4708                 for ( i = oldNumRows; i < m_numRows; i++ )
4709                 {
4710                     bottom += m_rowHeights[i];
4711                     m_rowBottoms[i] = bottom;
4712                 }
4713             }
4714
4715             if ( m_currentCellCoords == wxGridNoCellCoords )
4716             {
4717                 // if we have just inserted cols into an empty grid the current
4718                 // cell will be undefined...
4719                 //
4720                 SetCurrentCell( 0, 0 );
4721             }
4722
4723             if ( !GetBatchCount() )
4724             {
4725                 CalcDimensions();
4726                 m_rowLabelWin->Refresh();
4727             }
4728         }
4729         result = true;
4730         break;
4731
4732         case wxGRIDTABLE_NOTIFY_ROWS_DELETED:
4733         {
4734             size_t pos = msg.GetCommandInt();
4735             int numRows = msg.GetCommandInt2();
4736             m_numRows -= numRows;
4737
4738             if ( !m_rowHeights.IsEmpty() )
4739             {
4740                 m_rowHeights.RemoveAt( pos, numRows );
4741                 m_rowBottoms.RemoveAt( pos, numRows );
4742
4743                 int h = 0;
4744                 for ( i = 0; i < m_numRows; i++ )
4745                 {
4746                     h += m_rowHeights[i];
4747                     m_rowBottoms[i] = h;
4748                 }
4749             }
4750
4751             if ( !m_numRows )
4752             {
4753                 m_currentCellCoords = wxGridNoCellCoords;
4754             }
4755             else
4756             {
4757                 if ( m_currentCellCoords.GetRow() >= m_numRows )
4758                     m_currentCellCoords.Set( 0, 0 );
4759             }
4760
4761             if ( m_selection )
4762                 m_selection->UpdateRows( pos, -((int)numRows) );
4763             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
4764             if (attrProvider)
4765             {
4766                 attrProvider->UpdateAttrRows( pos, -((int)numRows) );
4767
4768 // ifdef'd out following patch from Paul Gammans
4769 #if 0
4770                 // No need to touch column attributes, unless we
4771                 // removed _all_ rows, in this case, we remove
4772                 // all column attributes.
4773                 // I hate to do this here, but the
4774                 // needed data is not available inside UpdateAttrRows.
4775                 if ( !GetNumberRows() )
4776                     attrProvider->UpdateAttrCols( 0, -GetNumberCols() );
4777 #endif
4778             }
4779
4780             if ( !GetBatchCount() )
4781             {
4782                 CalcDimensions();
4783                 m_rowLabelWin->Refresh();
4784             }
4785         }
4786         result = true;
4787         break;
4788
4789         case wxGRIDTABLE_NOTIFY_COLS_INSERTED:
4790         {
4791             size_t pos = msg.GetCommandInt();
4792             int numCols = msg.GetCommandInt2();
4793             m_numCols += numCols;
4794
4795             if ( !m_colAt.IsEmpty() )
4796             {
4797                 //Shift the column IDs
4798                 int i;
4799                 for ( i = 0; i < m_numCols - numCols; i++ )
4800                 {
4801                     if ( m_colAt[i] >= (int)pos )
4802                         m_colAt[i] += numCols;
4803                 }
4804
4805                 m_colAt.Insert( pos, pos, numCols );
4806
4807                 //Set the new columns' positions
4808                 for ( i = pos + 1; i < (int)pos + numCols; i++ )
4809                 {
4810                     m_colAt[i] = i;
4811                 }
4812             }
4813
4814             if ( !m_colWidths.IsEmpty() )
4815             {
4816                 m_colWidths.Insert( m_defaultColWidth, pos, numCols );
4817                 m_colRights.Insert( 0, pos, numCols );
4818
4819                 int right = 0;
4820                 if ( pos > 0 )
4821                     right = m_colRights[GetColAt( pos - 1 )];
4822
4823                 int colPos;
4824                 for ( colPos = pos; colPos < m_numCols; colPos++ )
4825                 {
4826                     i = GetColAt( colPos );
4827
4828                     right += m_colWidths[i];
4829                     m_colRights[i] = right;
4830                 }
4831             }
4832
4833             if ( m_currentCellCoords == wxGridNoCellCoords )
4834             {
4835                 // if we have just inserted cols into an empty grid the current
4836                 // cell will be undefined...
4837                 //
4838                 SetCurrentCell( 0, 0 );
4839             }
4840
4841             if ( m_selection )
4842                 m_selection->UpdateCols( pos, numCols );
4843             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
4844             if (attrProvider)
4845                 attrProvider->UpdateAttrCols( pos, numCols );
4846             if ( !GetBatchCount() )
4847             {
4848                 CalcDimensions();
4849                 m_colLabelWin->Refresh();
4850             }
4851         }
4852         result = true;
4853         break;
4854
4855         case wxGRIDTABLE_NOTIFY_COLS_APPENDED:
4856         {
4857             int numCols = msg.GetCommandInt();
4858             int oldNumCols = m_numCols;
4859             m_numCols += numCols;
4860
4861             if ( !m_colAt.IsEmpty() )
4862             {
4863                 m_colAt.Add( 0, numCols );
4864
4865                 //Set the new columns' positions
4866                 int i;
4867                 for ( i = oldNumCols; i < m_numCols; i++ )
4868                 {
4869                     m_colAt[i] = i;
4870                 }
4871             }
4872
4873             if ( !m_colWidths.IsEmpty() )
4874             {
4875                 m_colWidths.Add( m_defaultColWidth, numCols );
4876                 m_colRights.Add( 0, numCols );
4877
4878                 int right = 0;
4879                 if ( oldNumCols > 0 )
4880                     right = m_colRights[GetColAt( oldNumCols - 1 )];
4881
4882                 int colPos;
4883                 for ( colPos = oldNumCols; colPos < m_numCols; colPos++ )
4884                 {
4885                     i = GetColAt( colPos );
4886
4887                     right += m_colWidths[i];
4888                     m_colRights[i] = right;
4889                 }
4890             }
4891
4892             if ( m_currentCellCoords == wxGridNoCellCoords )
4893             {
4894                 // if we have just inserted cols into an empty grid the current
4895                 // cell will be undefined...
4896                 //
4897                 SetCurrentCell( 0, 0 );
4898             }
4899             if ( !GetBatchCount() )
4900             {
4901                 CalcDimensions();
4902                 m_colLabelWin->Refresh();
4903             }
4904         }
4905         result = true;
4906         break;
4907
4908         case wxGRIDTABLE_NOTIFY_COLS_DELETED:
4909         {
4910             size_t pos = msg.GetCommandInt();
4911             int numCols = msg.GetCommandInt2();
4912             m_numCols -= numCols;
4913
4914             if ( !m_colAt.IsEmpty() )
4915             {
4916                 int colID = GetColAt( pos );
4917
4918                 m_colAt.RemoveAt( pos, numCols );
4919
4920                 //Shift the column IDs
4921                 int colPos;
4922                 for ( colPos = 0; colPos < m_numCols; colPos++ )
4923                 {
4924                     if ( m_colAt[colPos] > colID )
4925                         m_colAt[colPos] -= numCols;
4926                 }
4927             }
4928
4929             if ( !m_colWidths.IsEmpty() )
4930             {
4931                 m_colWidths.RemoveAt( pos, numCols );
4932                 m_colRights.RemoveAt( pos, numCols );
4933
4934                 int w = 0;
4935                 int colPos;
4936                 for ( colPos = 0; colPos < m_numCols; colPos++ )
4937                 {
4938                     i = GetColAt( colPos );
4939
4940                     w += m_colWidths[i];
4941                     m_colRights[i] = w;
4942                 }
4943             }
4944
4945             if ( !m_numCols )
4946             {
4947                 m_currentCellCoords = wxGridNoCellCoords;
4948             }
4949             else
4950             {
4951                 if ( m_currentCellCoords.GetCol() >= m_numCols )
4952                   m_currentCellCoords.Set( 0, 0 );
4953             }
4954
4955             if ( m_selection )
4956                 m_selection->UpdateCols( pos, -((int)numCols) );
4957             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
4958             if (attrProvider)
4959             {
4960                 attrProvider->UpdateAttrCols( pos, -((int)numCols) );
4961
4962 // ifdef'd out following patch from Paul Gammans
4963 #if 0
4964                 // No need to touch row attributes, unless we
4965                 // removed _all_ columns, in this case, we remove
4966                 // all row attributes.
4967                 // I hate to do this here, but the
4968                 // needed data is not available inside UpdateAttrCols.
4969                 if ( !GetNumberCols() )
4970                     attrProvider->UpdateAttrRows( 0, -GetNumberRows() );
4971 #endif
4972             }
4973
4974             if ( !GetBatchCount() )
4975             {
4976                 CalcDimensions();
4977                 m_colLabelWin->Refresh();
4978             }
4979         }
4980         result = true;
4981         break;
4982     }
4983
4984     if (result && !GetBatchCount() )
4985         m_gridWin->Refresh();
4986
4987     return result;
4988 }
4989
4990 wxArrayInt wxGrid::CalcRowLabelsExposed( const wxRegion& reg )
4991 {
4992     wxRegionIterator iter( reg );
4993     wxRect r;
4994
4995     wxArrayInt  rowlabels;
4996
4997     int top, bottom;
4998     while ( iter )
4999     {
5000         r = iter.GetRect();
5001
5002         // TODO: remove this when we can...
5003         // There is a bug in wxMotif that gives garbage update
5004         // rectangles if you jump-scroll a long way by clicking the
5005         // scrollbar with middle button.  This is a work-around
5006         //
5007 #if defined(__WXMOTIF__)
5008         int cw, ch;
5009         m_gridWin->GetClientSize( &cw, &ch );
5010         if ( r.GetTop() > ch )
5011             r.SetTop( 0 );
5012         r.SetBottom( wxMin( r.GetBottom(), ch ) );
5013 #endif
5014
5015         // logical bounds of update region
5016         //
5017         int dummy;
5018         CalcUnscrolledPosition( 0, r.GetTop(), &dummy, &top );
5019         CalcUnscrolledPosition( 0, r.GetBottom(), &dummy, &bottom );
5020
5021         // find the row labels within these bounds
5022         //
5023         int row;
5024         for ( row = internalYToRow(top); row < m_numRows; row++ )
5025         {
5026             if ( GetRowBottom(row) < top )
5027                 continue;
5028
5029             if ( GetRowTop(row) > bottom )
5030                 break;
5031
5032             rowlabels.Add( row );
5033         }
5034
5035         ++iter;
5036     }
5037
5038     return rowlabels;
5039 }
5040
5041 wxArrayInt wxGrid::CalcColLabelsExposed( const wxRegion& reg )
5042 {
5043     wxRegionIterator iter( reg );
5044     wxRect r;
5045
5046     wxArrayInt colLabels;
5047
5048     int left, right;
5049     while ( iter )
5050     {
5051         r = iter.GetRect();
5052
5053         // TODO: remove this when we can...
5054         // There is a bug in wxMotif that gives garbage update
5055         // rectangles if you jump-scroll a long way by clicking the
5056         // scrollbar with middle button.  This is a work-around
5057         //
5058 #if defined(__WXMOTIF__)
5059         int cw, ch;
5060         m_gridWin->GetClientSize( &cw, &ch );
5061         if ( r.GetLeft() > cw )
5062             r.SetLeft( 0 );
5063         r.SetRight( wxMin( r.GetRight(), cw ) );
5064 #endif
5065
5066         // logical bounds of update region
5067         //
5068         int dummy;
5069         CalcUnscrolledPosition( r.GetLeft(), 0, &left, &dummy );
5070         CalcUnscrolledPosition( r.GetRight(), 0, &right, &dummy );
5071
5072         // find the cells within these bounds
5073         //
5074         int col;
5075         int colPos;
5076         for ( colPos = GetColPos( internalXToCol(left) ); colPos < m_numCols; colPos++ )
5077         {
5078             col = GetColAt( colPos );
5079
5080             if ( GetColRight(col) < left )
5081                 continue;
5082
5083             if ( GetColLeft(col) > right )
5084                 break;
5085
5086             colLabels.Add( col );
5087         }
5088
5089         ++iter;
5090     }
5091
5092     return colLabels;
5093 }
5094
5095 wxGridCellCoordsArray wxGrid::CalcCellsExposed( const wxRegion& reg )
5096 {
5097     wxRegionIterator iter( reg );
5098     wxRect r;
5099
5100     wxGridCellCoordsArray  cellsExposed;
5101
5102     int left, top, right, bottom;
5103     while ( iter )
5104     {
5105         r = iter.GetRect();
5106
5107         // TODO: remove this when we can...
5108         // There is a bug in wxMotif that gives garbage update
5109         // rectangles if you jump-scroll a long way by clicking the
5110         // scrollbar with middle button.  This is a work-around
5111         //
5112 #if defined(__WXMOTIF__)
5113         int cw, ch;
5114         m_gridWin->GetClientSize( &cw, &ch );
5115         if ( r.GetTop() > ch ) r.SetTop( 0 );
5116         if ( r.GetLeft() > cw ) r.SetLeft( 0 );
5117         r.SetRight( wxMin( r.GetRight(), cw ) );
5118         r.SetBottom( wxMin( r.GetBottom(), ch ) );
5119 #endif
5120
5121         // logical bounds of update region
5122         //
5123         CalcUnscrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
5124         CalcUnscrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
5125
5126         // find the cells within these bounds
5127         //
5128         int row, col;
5129         for ( row = internalYToRow(top); row < m_numRows; row++ )
5130         {
5131             if ( GetRowBottom(row) <= top )
5132                 continue;
5133
5134             if ( GetRowTop(row) > bottom )
5135                 break;
5136
5137             int colPos;
5138             for ( colPos = GetColPos( internalXToCol(left) ); colPos < m_numCols; colPos++ )
5139             {
5140                 col = GetColAt( colPos );
5141
5142                 if ( GetColRight(col) <= left )
5143                     continue;
5144
5145                 if ( GetColLeft(col) > right )
5146                     break;
5147
5148                 cellsExposed.Add( wxGridCellCoords( row, col ) );
5149             }
5150         }
5151
5152         ++iter;
5153     }
5154
5155     return cellsExposed;
5156 }
5157
5158
5159 void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
5160 {
5161     int x, y, row;
5162     wxPoint pos( event.GetPosition() );
5163     CalcUnscrolledPosition( pos.x, pos.y, &x, &y );
5164
5165     if ( event.Dragging() )
5166     {
5167         if (!m_isDragging)
5168         {
5169             m_isDragging = true;
5170             m_rowLabelWin->CaptureMouse();
5171         }
5172
5173         if ( event.LeftIsDown() )
5174         {
5175             switch ( m_cursorMode )
5176             {
5177                 case WXGRID_CURSOR_RESIZE_ROW:
5178                 {
5179                     int cw, ch, left, dummy;
5180                     m_gridWin->GetClientSize( &cw, &ch );
5181                     CalcUnscrolledPosition( 0, 0, &left, &dummy );
5182
5183                     wxClientDC dc( m_gridWin );
5184                     PrepareDC( dc );
5185                     y = wxMax( y,
5186                                GetRowTop(m_dragRowOrCol) +
5187                                GetRowMinimalHeight(m_dragRowOrCol) );
5188                     dc.SetLogicalFunction(wxINVERT);
5189                     if ( m_dragLastPos >= 0 )
5190                     {
5191                         dc.DrawLine( left, m_dragLastPos, left+cw, m_dragLastPos );
5192                     }
5193                     dc.DrawLine( left, y, left+cw, y );
5194                     m_dragLastPos = y;
5195                 }
5196                 break;
5197
5198                 case WXGRID_CURSOR_SELECT_ROW:
5199                 {
5200                     if ( (row = YToRow( y )) >= 0 )
5201                     {
5202                         if ( m_selection )
5203                         {
5204                             m_selection->SelectRow( row,
5205                                                     event.ControlDown(),
5206                                                     event.ShiftDown(),
5207                                                     event.AltDown(),
5208                                                     event.MetaDown() );
5209                         }
5210                     }
5211                 }
5212                 break;
5213
5214                 // default label to suppress warnings about "enumeration value
5215                 // 'xxx' not handled in switch
5216                 default:
5217                     break;
5218             }
5219         }
5220         return;
5221     }
5222
5223     if ( m_isDragging && (event.Entering() || event.Leaving()) )
5224         return;
5225
5226     if (m_isDragging)
5227     {
5228         if (m_rowLabelWin->HasCapture())
5229             m_rowLabelWin->ReleaseMouse();
5230         m_isDragging = false;
5231     }
5232
5233     // ------------ Entering or leaving the window
5234     //
5235     if ( event.Entering() || event.Leaving() )
5236     {
5237         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin);
5238     }
5239
5240     // ------------ Left button pressed
5241     //
5242     else if ( event.LeftDown() )
5243     {
5244         // don't send a label click event for a hit on the
5245         // edge of the row label - this is probably the user
5246         // wanting to resize the row
5247         //
5248         if ( YToEdgeOfRow(y) < 0 )
5249         {
5250             row = YToRow(y);
5251             if ( row >= 0 &&
5252                  !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, row, -1, event ) )
5253             {
5254                 if ( !event.ShiftDown() && !event.CmdDown() )
5255                     ClearSelection();
5256                 if ( m_selection )
5257                 {
5258                     if ( event.ShiftDown() )
5259                     {
5260                         m_selection->SelectBlock( m_currentCellCoords.GetRow(),
5261                                                   0,
5262                                                   row,
5263                                                   GetNumberCols() - 1,
5264                                                   event.ControlDown(),
5265                                                   event.ShiftDown(),
5266                                                   event.AltDown(),
5267                                                   event.MetaDown() );
5268                     }
5269                     else
5270                     {
5271                         m_selection->SelectRow( row,
5272                                                 event.ControlDown(),
5273                                                 event.ShiftDown(),
5274                                                 event.AltDown(),
5275                                                 event.MetaDown() );
5276                     }
5277                 }
5278
5279                 ChangeCursorMode(WXGRID_CURSOR_SELECT_ROW, m_rowLabelWin);
5280             }
5281         }
5282         else
5283         {
5284             // starting to drag-resize a row
5285             if ( CanDragRowSize() )
5286                 ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, m_rowLabelWin);
5287         }
5288     }
5289
5290     // ------------ Left double click
5291     //
5292     else if (event.LeftDClick() )
5293     {
5294         row = YToEdgeOfRow(y);
5295         if ( row < 0 )
5296         {
5297             row = YToRow(y);
5298             if ( row >=0 &&
5299                  !SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, row, -1, event ) )
5300             {
5301                 // no default action at the moment
5302             }
5303         }
5304         else
5305         {
5306             // adjust row height depending on label text
5307             AutoSizeRowLabelSize( row );
5308
5309             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin);
5310             m_dragLastPos = -1;
5311         }
5312     }
5313
5314     // ------------ Left button released
5315     //
5316     else if ( event.LeftUp() )
5317     {
5318         if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
5319         {
5320             DoEndDragResizeRow();
5321
5322             // Note: we are ending the event *after* doing
5323             // default processing in this case
5324             //
5325             SendEvent( wxEVT_GRID_ROW_SIZE, m_dragRowOrCol, -1, event );
5326         }
5327
5328         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin);
5329         m_dragLastPos = -1;
5330     }
5331
5332     // ------------ Right button down
5333     //
5334     else if ( event.RightDown() )
5335     {
5336         row = YToRow(y);
5337         if ( row >=0 &&
5338              !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, row, -1, event ) )
5339         {
5340             // no default action at the moment
5341         }
5342     }
5343
5344     // ------------ Right double click
5345     //
5346     else if ( event.RightDClick() )
5347     {
5348         row = YToRow(y);
5349         if ( row >= 0 &&
5350              !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, row, -1, event ) )
5351         {
5352             // no default action at the moment
5353         }
5354     }
5355
5356     // ------------ No buttons down and mouse moving
5357     //
5358     else if ( event.Moving() )
5359     {
5360         m_dragRowOrCol = YToEdgeOfRow( y );
5361         if ( m_dragRowOrCol >= 0 )
5362         {
5363             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5364             {
5365                 // don't capture the mouse yet
5366                 if ( CanDragRowSize() )
5367                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, m_rowLabelWin, false);
5368             }
5369         }
5370         else if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
5371         {
5372             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin, false);
5373         }
5374     }
5375 }
5376
5377 void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
5378 {
5379     int x, y, col;
5380     wxPoint pos( event.GetPosition() );
5381     CalcUnscrolledPosition( pos.x, pos.y, &x, &y );
5382
5383     if ( event.Dragging() )
5384     {
5385         if (!m_isDragging)
5386         {
5387             m_isDragging = true;
5388             m_colLabelWin->CaptureMouse();
5389
5390             if ( m_cursorMode == WXGRID_CURSOR_MOVE_COL )
5391                 m_dragRowOrCol = XToCol( x );
5392         }
5393
5394         if ( event.LeftIsDown() )
5395         {
5396             switch ( m_cursorMode )
5397             {
5398                 case WXGRID_CURSOR_RESIZE_COL:
5399                 {
5400                     int cw, ch, dummy, top;
5401                     m_gridWin->GetClientSize( &cw, &ch );
5402                     CalcUnscrolledPosition( 0, 0, &dummy, &top );
5403
5404                     wxClientDC dc( m_gridWin );
5405                     PrepareDC( dc );
5406
5407                     x = wxMax( x, GetColLeft(m_dragRowOrCol) +
5408                                   GetColMinimalWidth(m_dragRowOrCol));
5409                     dc.SetLogicalFunction(wxINVERT);
5410                     if ( m_dragLastPos >= 0 )
5411                     {
5412                         dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top + ch );
5413                     }
5414                     dc.DrawLine( x, top, x, top + ch );
5415                     m_dragLastPos = x;
5416                 }
5417                 break;
5418
5419                 case WXGRID_CURSOR_SELECT_COL:
5420                 {
5421                     if ( (col = XToCol( x )) >= 0 )
5422                     {
5423                         if ( m_selection )
5424                         {
5425                             m_selection->SelectCol( col,
5426                                                     event.ControlDown(),
5427                                                     event.ShiftDown(),
5428                                                     event.AltDown(),
5429                                                     event.MetaDown() );
5430                         }
5431                     }
5432                 }
5433                 break;
5434
5435                 case WXGRID_CURSOR_MOVE_COL:
5436                 {
5437                     if ( x < 0 )
5438                         m_moveToCol = GetColAt( 0 );
5439                     else
5440                         m_moveToCol = XToCol( x );
5441
5442                     int markerX;
5443
5444                     if ( m_moveToCol < 0 )
5445                         markerX = GetColRight( GetColAt( m_numCols - 1 ) );
5446                     else
5447                         markerX = GetColLeft( m_moveToCol );
5448
5449                     if ( markerX != m_dragLastPos )
5450                     {
5451                         wxClientDC dc( m_colLabelWin );
5452
5453                         int cw, ch;
5454                         m_colLabelWin->GetClientSize( &cw, &ch );
5455
5456                         markerX++;
5457
5458                         //Clean up the last indicator
5459                         if ( m_dragLastPos >= 0 )
5460                         {
5461                             wxPen pen( m_colLabelWin->GetBackgroundColour(), 2 );
5462                             dc.SetPen(pen);
5463                             dc.DrawLine( m_dragLastPos + 1, 0, m_dragLastPos + 1, ch );
5464                             dc.SetPen(wxNullPen);
5465
5466                             if ( XToCol( m_dragLastPos ) != -1 )
5467                                 DrawColLabel( dc, XToCol( m_dragLastPos ) );
5468                         }
5469
5470                         //Moving to the same place? Don't draw a marker
5471                         if ( (m_moveToCol == m_dragRowOrCol)
5472                           || (GetColPos( m_moveToCol ) == GetColPos( m_dragRowOrCol ) + 1)
5473                           || (m_moveToCol < 0 && m_dragRowOrCol == GetColAt( m_numCols - 1 )))
5474                         {
5475                             m_dragLastPos = -1;
5476                             return;
5477                         }
5478
5479                         //Draw the marker
5480                         wxPen pen( *wxBLUE, 2 );
5481                         dc.SetPen(pen);
5482
5483                         dc.DrawLine( markerX, 0, markerX, ch );
5484
5485                         dc.SetPen(wxNullPen);
5486
5487                         m_dragLastPos = markerX - 1;
5488                     }
5489                 }
5490                 break;
5491
5492                 // default label to suppress warnings about "enumeration value
5493                 // 'xxx' not handled in switch
5494                 default:
5495                     break;
5496             }
5497         }
5498         return;
5499     }
5500
5501     if ( m_isDragging && (event.Entering() || event.Leaving()) )
5502         return;
5503
5504     if (m_isDragging)
5505     {
5506         if (m_colLabelWin->HasCapture())
5507             m_colLabelWin->ReleaseMouse();
5508         m_isDragging = false;
5509     }
5510
5511     // ------------ Entering or leaving the window
5512     //
5513     if ( event.Entering() || event.Leaving() )
5514     {
5515         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin);
5516     }
5517
5518     // ------------ Left button pressed
5519     //
5520     else if ( event.LeftDown() )
5521     {
5522         // don't send a label click event for a hit on the
5523         // edge of the col label - this is probably the user
5524         // wanting to resize the col
5525         //
5526         if ( XToEdgeOfCol(x) < 0 )
5527         {
5528             col = XToCol(x);
5529             if ( col >= 0 &&
5530                  !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, -1, col, event ) )
5531             {
5532                 if ( m_canDragColMove )
5533                 {
5534                     //Show button as pressed
5535                     wxClientDC dc( m_colLabelWin );
5536                     int colLeft = GetColLeft( col );
5537                     int colRight = GetColRight( col ) - 1;
5538                     dc.SetPen( wxPen( m_colLabelWin->GetBackgroundColour(), 1 ) );
5539                     dc.DrawLine( colLeft, 1, colLeft, m_colLabelHeight-1 );
5540                     dc.DrawLine( colLeft, 1, colRight, 1 );
5541
5542                     ChangeCursorMode(WXGRID_CURSOR_MOVE_COL, m_colLabelWin);
5543                 }
5544                 else
5545                 {
5546                     if ( !event.ShiftDown() && !event.CmdDown() )
5547                         ClearSelection();
5548                     if ( m_selection )
5549                     {
5550                         if ( event.ShiftDown() )
5551                         {
5552                             m_selection->SelectBlock( 0,
5553                                                       m_currentCellCoords.GetCol(),
5554                                                       GetNumberRows() - 1, col,
5555                                                       event.ControlDown(),
5556                                                       event.ShiftDown(),
5557                                                       event.AltDown(),
5558                                                       event.MetaDown() );
5559                         }
5560                         else
5561                         {
5562                             m_selection->SelectCol( col,
5563                                                     event.ControlDown(),
5564                                                     event.ShiftDown(),
5565                                                     event.AltDown(),
5566                                                     event.MetaDown() );
5567                         }
5568                     }
5569
5570                     ChangeCursorMode(WXGRID_CURSOR_SELECT_COL, m_colLabelWin);
5571                 }
5572             }
5573         }
5574         else
5575         {
5576             // starting to drag-resize a col
5577             //
5578             if ( CanDragColSize() )
5579                 ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, m_colLabelWin);
5580         }
5581     }
5582
5583     // ------------ Left double click
5584     //
5585     if ( event.LeftDClick() )
5586     {
5587         col = XToEdgeOfCol(x);
5588         if ( col < 0 )
5589         {
5590             col = XToCol(x);
5591             if ( col >= 0 &&
5592                  ! SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, -1, col, event ) )
5593             {
5594                 // no default action at the moment
5595             }
5596         }
5597         else
5598         {
5599             // adjust column width depending on label text
5600             AutoSizeColLabelSize( col );
5601
5602             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin);
5603             m_dragLastPos = -1;
5604         }
5605     }
5606
5607     // ------------ Left button released
5608     //
5609     else if ( event.LeftUp() )
5610     {
5611         switch ( m_cursorMode )
5612         {
5613             case WXGRID_CURSOR_RESIZE_COL:
5614                 DoEndDragResizeCol();
5615
5616                 // Note: we are ending the event *after* doing
5617                 // default processing in this case
5618                 //
5619                 SendEvent( wxEVT_GRID_COL_SIZE, -1, m_dragRowOrCol, event );
5620                 break;
5621
5622             case WXGRID_CURSOR_MOVE_COL:
5623                 DoEndDragMoveCol();
5624
5625                 SendEvent( wxEVT_GRID_COL_MOVE, -1, m_dragRowOrCol, event );
5626                 break;
5627
5628             case WXGRID_CURSOR_SELECT_COL:
5629             case WXGRID_CURSOR_SELECT_CELL:
5630             case WXGRID_CURSOR_RESIZE_ROW:
5631             case WXGRID_CURSOR_SELECT_ROW:
5632                 // nothing to do (?)
5633                 break;
5634         }
5635
5636         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin);
5637         m_dragLastPos = -1;
5638     }
5639
5640     // ------------ Right button down
5641     //
5642     else if ( event.RightDown() )
5643     {
5644         col = XToCol(x);
5645         if ( col >= 0 &&
5646              !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, -1, col, event ) )
5647         {
5648             // no default action at the moment
5649         }
5650     }
5651
5652     // ------------ Right double click
5653     //
5654     else if ( event.RightDClick() )
5655     {
5656         col = XToCol(x);
5657         if ( col >= 0 &&
5658              !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, -1, col, event ) )
5659         {
5660             // no default action at the moment
5661         }
5662     }
5663
5664     // ------------ No buttons down and mouse moving
5665     //
5666     else if ( event.Moving() )
5667     {
5668         m_dragRowOrCol = XToEdgeOfCol( x );
5669         if ( m_dragRowOrCol >= 0 )
5670         {
5671             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5672             {
5673                 // don't capture the cursor yet
5674                 if ( CanDragColSize() )
5675                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, m_colLabelWin, false);
5676             }
5677         }
5678         else if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
5679         {
5680             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin, false);
5681         }
5682     }
5683 }
5684
5685 void wxGrid::ProcessCornerLabelMouseEvent( wxMouseEvent& event )
5686 {
5687     if ( event.LeftDown() )
5688     {
5689         // indicate corner label by having both row and
5690         // col args == -1
5691         //
5692         if ( !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, -1, -1, event ) )
5693         {
5694             SelectAll();
5695         }
5696     }
5697     else if ( event.LeftDClick() )
5698     {
5699         SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, -1, -1, event );
5700     }
5701     else if ( event.RightDown() )
5702     {
5703         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, -1, -1, event ) )
5704         {
5705             // no default action at the moment
5706         }
5707     }
5708     else if ( event.RightDClick() )
5709     {
5710         if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, -1, -1, event ) )
5711         {
5712             // no default action at the moment
5713         }
5714     }
5715 }
5716
5717 void wxGrid::ChangeCursorMode(CursorMode mode,
5718                               wxWindow *win,
5719                               bool captureMouse)
5720 {
5721 #ifdef __WXDEBUG__
5722     static const wxChar *cursorModes[] =
5723     {
5724         _T("SELECT_CELL"),
5725         _T("RESIZE_ROW"),
5726         _T("RESIZE_COL"),
5727         _T("SELECT_ROW"),
5728         _T("SELECT_COL"),
5729         _T("MOVE_COL"),
5730     };
5731
5732     wxLogTrace(_T("grid"),
5733                _T("wxGrid cursor mode (mouse capture for %s): %s -> %s"),
5734                win == m_colLabelWin ? _T("colLabelWin")
5735                                     : win ? _T("rowLabelWin")
5736                                           : _T("gridWin"),
5737                cursorModes[m_cursorMode], cursorModes[mode]);
5738 #endif
5739
5740     if ( mode == m_cursorMode &&
5741          win == m_winCapture &&
5742          captureMouse == (m_winCapture != NULL))
5743         return;
5744
5745     if ( !win )
5746     {
5747         // by default use the grid itself
5748         win = m_gridWin;
5749     }
5750
5751     if ( m_winCapture )
5752     {
5753         if (m_winCapture->HasCapture())
5754             m_winCapture->ReleaseMouse();
5755         m_winCapture = (wxWindow *)NULL;
5756     }
5757
5758     m_cursorMode = mode;
5759
5760     switch ( m_cursorMode )
5761     {
5762         case WXGRID_CURSOR_RESIZE_ROW:
5763             win->SetCursor( m_rowResizeCursor );
5764             break;
5765
5766         case WXGRID_CURSOR_RESIZE_COL:
5767             win->SetCursor( m_colResizeCursor );
5768             break;
5769
5770         case WXGRID_CURSOR_MOVE_COL:
5771             win->SetCursor( wxCursor(wxCURSOR_HAND) );
5772             break;
5773
5774         default:
5775             win->SetCursor( *wxSTANDARD_CURSOR );
5776             break;
5777     }
5778
5779     // we need to capture mouse when resizing
5780     bool resize = m_cursorMode == WXGRID_CURSOR_RESIZE_ROW ||
5781                   m_cursorMode == WXGRID_CURSOR_RESIZE_COL;
5782
5783     if ( captureMouse && resize )
5784     {
5785         win->CaptureMouse();
5786         m_winCapture = win;
5787     }
5788 }
5789
5790 void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
5791 {
5792     int x, y;
5793     wxPoint pos( event.GetPosition() );
5794     CalcUnscrolledPosition( pos.x, pos.y, &x, &y );
5795
5796     wxGridCellCoords coords;
5797     XYToCell( x, y, coords );
5798
5799     int cell_rows, cell_cols;
5800     bool isFirstDrag = !m_isDragging;
5801     GetCellSize( coords.GetRow(), coords.GetCol(), &cell_rows, &cell_cols );
5802     if ((cell_rows < 0) || (cell_cols < 0))
5803     {
5804         coords.SetRow(coords.GetRow() + cell_rows);
5805         coords.SetCol(coords.GetCol() + cell_cols);
5806     }
5807
5808     if ( event.Dragging() )
5809     {
5810         //wxLogDebug("pos(%d, %d) coords(%d, %d)", pos.x, pos.y, coords.GetRow(), coords.GetCol());
5811
5812         // Don't start doing anything until the mouse has been dragged at
5813         // least 3 pixels in any direction...
5814         if (! m_isDragging)
5815         {
5816             if (m_startDragPos == wxDefaultPosition)
5817             {
5818                 m_startDragPos = pos;
5819                 return;
5820             }
5821             if (abs(m_startDragPos.x - pos.x) < 4 && abs(m_startDragPos.y - pos.y) < 4)
5822                 return;
5823         }
5824
5825         m_isDragging = true;
5826         if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
5827         {
5828             // Hide the edit control, so it
5829             // won't interfere with drag-shrinking.
5830             if ( IsCellEditControlShown() )
5831             {
5832                 HideCellEditControl();
5833                 SaveEditControlValue();
5834             }
5835
5836             // Have we captured the mouse yet?
5837             if (! m_winCapture)
5838             {
5839                 m_winCapture = m_gridWin;
5840                 m_winCapture->CaptureMouse();
5841             }
5842
5843             if ( coords != wxGridNoCellCoords )
5844             {
5845                 if ( event.CmdDown() )
5846                 {
5847                     if ( m_selectingKeyboard == wxGridNoCellCoords)
5848                         m_selectingKeyboard = coords;
5849                     HighlightBlock( m_selectingKeyboard, coords );
5850                 }
5851                 else if ( CanDragCell() )
5852                 {
5853                     if ( isFirstDrag )
5854                     {
5855                         if ( m_selectingKeyboard == wxGridNoCellCoords)
5856                             m_selectingKeyboard = coords;
5857
5858                         SendEvent( wxEVT_GRID_CELL_BEGIN_DRAG,
5859                                    coords.GetRow(),
5860                                    coords.GetCol(),
5861                                    event );
5862                     }
5863                 }
5864                 else
5865                 {
5866                     if ( !IsSelection() )
5867                     {
5868                         HighlightBlock( coords, coords );
5869                     }
5870                     else
5871                     {
5872                         HighlightBlock( m_currentCellCoords, coords );
5873                     }
5874                 }
5875
5876                 if (! IsVisible(coords))
5877                 {
5878                     MakeCellVisible(coords);
5879                     // TODO: need to introduce a delay or something here.  The
5880                     // scrolling is way to fast, at least on MSW - also on GTK.
5881                 }
5882             }
5883         }
5884         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
5885         {
5886             int cw, ch, left, dummy;
5887             m_gridWin->GetClientSize( &cw, &ch );
5888             CalcUnscrolledPosition( 0, 0, &left, &dummy );
5889
5890             wxClientDC dc( m_gridWin );
5891             PrepareDC( dc );
5892             y = wxMax( y, GetRowTop(m_dragRowOrCol) +
5893                           GetRowMinimalHeight(m_dragRowOrCol) );
5894             dc.SetLogicalFunction(wxINVERT);
5895             if ( m_dragLastPos >= 0 )
5896             {
5897                 dc.DrawLine( left, m_dragLastPos, left+cw, m_dragLastPos );
5898             }
5899             dc.DrawLine( left, y, left+cw, y );
5900             m_dragLastPos = y;
5901         }
5902         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL )
5903         {
5904             int cw, ch, dummy, top;
5905             m_gridWin->GetClientSize( &cw, &ch );
5906             CalcUnscrolledPosition( 0, 0, &dummy, &top );
5907
5908             wxClientDC dc( m_gridWin );
5909             PrepareDC( dc );
5910             x = wxMax( x, GetColLeft(m_dragRowOrCol) +
5911                           GetColMinimalWidth(m_dragRowOrCol) );
5912             dc.SetLogicalFunction(wxINVERT);
5913             if ( m_dragLastPos >= 0 )
5914             {
5915                 dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top + ch );
5916             }
5917             dc.DrawLine( x, top, x, top + ch );
5918             m_dragLastPos = x;
5919         }
5920
5921         return;
5922     }
5923
5924     m_isDragging = false;
5925     m_startDragPos = wxDefaultPosition;
5926
5927     // VZ: if we do this, the mode is reset to WXGRID_CURSOR_SELECT_CELL
5928     //     immediately after it becomes WXGRID_CURSOR_RESIZE_ROW/COL under
5929     //     wxGTK
5930 #if 0
5931     if ( event.Entering() || event.Leaving() )
5932     {
5933         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
5934         m_gridWin->SetCursor( *wxSTANDARD_CURSOR );
5935     }
5936     else
5937 #endif // 0
5938
5939     // ------------ Left button pressed
5940     //
5941     if ( event.LeftDown() && coords != wxGridNoCellCoords )
5942     {
5943         if ( !SendEvent( wxEVT_GRID_CELL_LEFT_CLICK,
5944                        coords.GetRow(),
5945                        coords.GetCol(),
5946                        event ) )
5947         {
5948             if ( !event.CmdDown() )
5949                 ClearSelection();
5950             if ( event.ShiftDown() )
5951             {
5952                 if ( m_selection )
5953                 {
5954                     m_selection->SelectBlock( m_currentCellCoords.GetRow(),
5955                                               m_currentCellCoords.GetCol(),
5956                                               coords.GetRow(),
5957                                               coords.GetCol(),
5958                                               event.ControlDown(),
5959                                               event.ShiftDown(),
5960                                               event.AltDown(),
5961                                               event.MetaDown() );
5962                 }
5963             }
5964             else if ( XToEdgeOfCol(x) < 0 &&
5965                       YToEdgeOfRow(y) < 0 )
5966             {
5967                 DisableCellEditControl();
5968                 MakeCellVisible( coords );
5969
5970                 if ( event.CmdDown() )
5971                 {
5972                     if ( m_selection )
5973                     {
5974                         m_selection->ToggleCellSelection( coords.GetRow(),
5975                                                           coords.GetCol(),
5976                                                           event.ControlDown(),
5977                                                           event.ShiftDown(),
5978                                                           event.AltDown(),
5979                                                           event.MetaDown() );
5980                     }
5981                     m_selectingTopLeft = wxGridNoCellCoords;
5982                     m_selectingBottomRight = wxGridNoCellCoords;
5983                     m_selectingKeyboard = coords;
5984                 }
5985                 else
5986                 {
5987                     m_waitForSlowClick = m_currentCellCoords == coords && coords != wxGridNoCellCoords;
5988                     SetCurrentCell( coords );
5989                     if ( m_selection )
5990                     {
5991                         if ( m_selection->GetSelectionMode() !=
5992                                 wxGrid::wxGridSelectCells )
5993                         {
5994                             HighlightBlock( coords, coords );
5995                         }
5996                     }
5997                 }
5998             }
5999         }
6000     }
6001
6002     // ------------ Left double click
6003     //
6004     else if ( event.LeftDClick() && coords != wxGridNoCellCoords )
6005     {
6006         DisableCellEditControl();
6007
6008         if ( XToEdgeOfCol(x) < 0 && YToEdgeOfRow(y) < 0 )
6009         {
6010             if ( !SendEvent( wxEVT_GRID_CELL_LEFT_DCLICK,
6011                              coords.GetRow(),
6012                              coords.GetCol(),
6013                              event ) )
6014             {
6015                 // we want double click to select a cell and start editing
6016                 // (i.e. to behave in same way as sequence of two slow clicks):
6017                 m_waitForSlowClick = true;
6018             }
6019         }
6020     }
6021
6022     // ------------ Left button released
6023     //
6024     else if ( event.LeftUp() )
6025     {
6026         if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
6027         {
6028             if (m_winCapture)
6029             {
6030                 if (m_winCapture->HasCapture())
6031                     m_winCapture->ReleaseMouse();
6032                 m_winCapture = NULL;
6033             }
6034
6035             if ( coords == m_currentCellCoords && m_waitForSlowClick && CanEnableCellControl() )
6036             {
6037                 ClearSelection();
6038                 EnableCellEditControl();
6039
6040                 wxGridCellAttr *attr = GetCellAttr(coords);
6041                 wxGridCellEditor *editor = attr->GetEditor(this, coords.GetRow(), coords.GetCol());
6042                 editor->StartingClick();
6043                 editor->DecRef();
6044                 attr->DecRef();
6045
6046                 m_waitForSlowClick = false;
6047             }
6048             else if ( m_selectingTopLeft != wxGridNoCellCoords &&
6049                  m_selectingBottomRight != wxGridNoCellCoords )
6050             {
6051                 if ( m_selection )
6052                 {
6053                     m_selection->SelectBlock( m_selectingTopLeft.GetRow(),
6054                                               m_selectingTopLeft.GetCol(),
6055                                               m_selectingBottomRight.GetRow(),
6056                                               m_selectingBottomRight.GetCol(),
6057                                               event.ControlDown(),
6058                                               event.ShiftDown(),
6059                                               event.AltDown(),
6060                                               event.MetaDown() );
6061                 }
6062
6063                 m_selectingTopLeft = wxGridNoCellCoords;
6064                 m_selectingBottomRight = wxGridNoCellCoords;
6065
6066                 // Show the edit control, if it has been hidden for
6067                 // drag-shrinking.
6068                 ShowCellEditControl();
6069             }
6070         }
6071         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
6072         {
6073             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
6074             DoEndDragResizeRow();
6075
6076             // Note: we are ending the event *after* doing
6077             // default processing in this case
6078             //
6079             SendEvent( wxEVT_GRID_ROW_SIZE, m_dragRowOrCol, -1, event );
6080         }
6081         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL )
6082         {
6083             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
6084             DoEndDragResizeCol();
6085
6086             // Note: we are ending the event *after* doing
6087             // default processing in this case
6088             //
6089             SendEvent( wxEVT_GRID_COL_SIZE, -1, m_dragRowOrCol, event );
6090         }
6091
6092         m_dragLastPos = -1;
6093     }
6094
6095     // ------------ Right button down
6096     //
6097     else if ( event.RightDown() && coords != wxGridNoCellCoords )
6098     {
6099         DisableCellEditControl();
6100         if ( !SendEvent( wxEVT_GRID_CELL_RIGHT_CLICK,
6101                          coords.GetRow(),
6102                          coords.GetCol(),
6103                          event ) )
6104         {
6105             // no default action at the moment
6106         }
6107     }
6108
6109     // ------------ Right double click
6110     //
6111     else if ( event.RightDClick() && coords != wxGridNoCellCoords )
6112     {
6113         DisableCellEditControl();
6114         if ( !SendEvent( wxEVT_GRID_CELL_RIGHT_DCLICK,
6115                          coords.GetRow(),
6116                          coords.GetCol(),
6117                          event ) )
6118         {
6119             // no default action at the moment
6120         }
6121     }
6122
6123     // ------------ Moving and no button action
6124     //
6125     else if ( event.Moving() && !event.IsButton() )
6126     {
6127         if ( coords.GetRow() < 0 || coords.GetCol() < 0 )
6128         {
6129             // out of grid cell area
6130             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
6131             return;
6132         }
6133
6134         int dragRow = YToEdgeOfRow( y );
6135         int dragCol = XToEdgeOfCol( x );
6136
6137         // Dragging on the corner of a cell to resize in both
6138         // directions is not implemented yet...
6139         //
6140         if ( dragRow >= 0 && dragCol >= 0 )
6141         {
6142             ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
6143             return;
6144         }
6145
6146         if ( dragRow >= 0 )
6147         {
6148             m_dragRowOrCol = dragRow;
6149
6150             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
6151             {
6152                 if ( CanDragRowSize() && CanDragGridSize() )
6153                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW);
6154             }
6155         }
6156         else if ( dragCol >= 0 )
6157         {
6158             m_dragRowOrCol = dragCol;
6159
6160             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
6161             {
6162                 if ( CanDragColSize() && CanDragGridSize() )
6163                     ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL);
6164             }
6165         }
6166         else // Neither on a row or col edge
6167         {
6168             if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
6169             {
6170                 ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
6171             }
6172         }
6173     }
6174 }
6175
6176 void wxGrid::DoEndDragResizeRow()
6177 {
6178     if ( m_dragLastPos >= 0 )
6179     {
6180         // erase the last line and resize the row
6181         //
6182         int cw, ch, left, dummy;
6183         m_gridWin->GetClientSize( &cw, &ch );
6184         CalcUnscrolledPosition( 0, 0, &left, &dummy );
6185
6186         wxClientDC dc( m_gridWin );
6187         PrepareDC( dc );
6188         dc.SetLogicalFunction( wxINVERT );
6189         dc.DrawLine( left, m_dragLastPos, left + cw, m_dragLastPos );
6190         HideCellEditControl();
6191         SaveEditControlValue();
6192
6193         int rowTop = GetRowTop(m_dragRowOrCol);
6194         SetRowSize( m_dragRowOrCol,
6195                     wxMax( m_dragLastPos - rowTop, m_minAcceptableRowHeight ) );
6196
6197         if ( !GetBatchCount() )
6198         {
6199             // Only needed to get the correct rect.y:
6200             wxRect rect ( CellToRect( m_dragRowOrCol, 0 ) );
6201             rect.x = 0;
6202             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
6203             rect.width = m_rowLabelWidth;
6204             rect.height = ch - rect.y;
6205             m_rowLabelWin->Refresh( true, &rect );
6206             rect.width = cw;
6207
6208             // if there is a multicell block, paint all of it
6209             if (m_table)
6210             {
6211                 int i, cell_rows, cell_cols, subtract_rows = 0;
6212                 int leftCol = XToCol(left);
6213                 int rightCol = internalXToCol(left + cw);
6214                 if (leftCol >= 0)
6215                 {
6216                     for (i=leftCol; i<rightCol; i++)
6217                     {
6218                         GetCellSize(m_dragRowOrCol, i, &cell_rows, &cell_cols);
6219                         if (cell_rows < subtract_rows)
6220                             subtract_rows = cell_rows;
6221                     }
6222                     rect.y = GetRowTop(m_dragRowOrCol + subtract_rows);
6223                     CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
6224                     rect.height = ch - rect.y;
6225                 }
6226             }
6227             m_gridWin->Refresh( false, &rect );
6228         }
6229
6230         ShowCellEditControl();
6231     }
6232 }
6233
6234
6235 void wxGrid::DoEndDragResizeCol()
6236 {
6237     if ( m_dragLastPos >= 0 )
6238     {
6239         // erase the last line and resize the col
6240         //
6241         int cw, ch, dummy, top;
6242         m_gridWin->GetClientSize( &cw, &ch );
6243         CalcUnscrolledPosition( 0, 0, &dummy, &top );
6244
6245         wxClientDC dc( m_gridWin );
6246         PrepareDC( dc );
6247         dc.SetLogicalFunction( wxINVERT );
6248         dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top + ch );
6249         HideCellEditControl();
6250         SaveEditControlValue();
6251
6252         int colLeft = GetColLeft(m_dragRowOrCol);
6253         SetColSize( m_dragRowOrCol,
6254                     wxMax( m_dragLastPos - colLeft,
6255                            GetColMinimalWidth(m_dragRowOrCol) ) );
6256
6257         if ( !GetBatchCount() )
6258         {
6259             // Only needed to get the correct rect.x:
6260             wxRect rect ( CellToRect( 0, m_dragRowOrCol ) );
6261             rect.y = 0;
6262             CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
6263             rect.width = cw - rect.x;
6264             rect.height = m_colLabelHeight;
6265             m_colLabelWin->Refresh( true, &rect );
6266             rect.height = ch;
6267
6268             // if there is a multicell block, paint all of it
6269             if (m_table)
6270             {
6271                 int i, cell_rows, cell_cols, subtract_cols = 0;
6272                 int topRow = YToRow(top);
6273                 int bottomRow = internalYToRow(top + cw);
6274                 if (topRow >= 0)
6275                 {
6276                     for (i=topRow; i<bottomRow; i++)
6277                     {
6278                         GetCellSize(i, m_dragRowOrCol, &cell_rows, &cell_cols);
6279                         if (cell_cols < subtract_cols)
6280                             subtract_cols = cell_cols;
6281                     }
6282
6283                     rect.x = GetColLeft(m_dragRowOrCol + subtract_cols);
6284                     CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
6285                     rect.width = cw - rect.x;
6286                 }
6287             }
6288
6289             m_gridWin->Refresh( false, &rect );
6290         }
6291
6292         ShowCellEditControl();
6293     }
6294 }
6295
6296 void wxGrid::DoEndDragMoveCol()
6297 {
6298     //The user clicked on the column but didn't actually drag
6299     if ( m_dragLastPos < 0 )
6300     {
6301         m_colLabelWin->Refresh();   //Do this to "unpress" the column
6302         return;
6303     }
6304
6305     int newPos;
6306     if ( m_moveToCol == -1 )
6307         newPos = m_numCols - 1;
6308     else
6309     {
6310         newPos = GetColPos( m_moveToCol );
6311         if ( newPos > GetColPos( m_dragRowOrCol ) )
6312             newPos--;
6313     }
6314
6315     SetColPos( m_dragRowOrCol, newPos );
6316 }
6317
6318 void wxGrid::SetColPos( int colID, int newPos )
6319 {
6320     if ( m_colAt.IsEmpty() )
6321     {
6322         m_colAt.Alloc( m_numCols );
6323
6324         int i;
6325         for ( i = 0; i < m_numCols; i++ )
6326         {
6327             m_colAt.Add( i );
6328         }
6329     }
6330
6331     int oldPos = GetColPos( colID );
6332
6333     //Reshuffle the m_colAt array
6334     if ( newPos > oldPos )
6335     {
6336         int i;
6337         for ( i = oldPos; i < newPos; i++ )
6338         {
6339             m_colAt[i] = m_colAt[i+1];
6340         }
6341     }
6342     else
6343     {
6344         int i;
6345         for ( i = oldPos; i > newPos; i-- )
6346         {
6347             m_colAt[i] = m_colAt[i-1];
6348         }
6349     }
6350
6351     m_colAt[newPos] = colID;
6352
6353     //Recalculate the column rights
6354     if ( !m_colWidths.IsEmpty() )
6355     {
6356         int colRight = 0;
6357         int colPos;
6358         for ( colPos = 0; colPos < m_numCols; colPos++ )
6359         {
6360             int colID = GetColAt( colPos );
6361
6362             colRight += m_colWidths[colID];
6363             m_colRights[colID] = colRight;
6364         }
6365     }
6366
6367     m_colLabelWin->Refresh();
6368     m_gridWin->Refresh();
6369 }
6370
6371
6372
6373 void wxGrid::EnableDragColMove( bool enable )
6374 {
6375     if ( m_canDragColMove == enable )
6376         return;
6377
6378     m_canDragColMove = enable;
6379
6380     if ( !m_canDragColMove )
6381     {
6382         m_colAt.Clear();
6383
6384         //Recalculate the column rights
6385         if ( !m_colWidths.IsEmpty() )
6386         {
6387             int colRight = 0;
6388             int colPos;
6389             for ( colPos = 0; colPos < m_numCols; colPos++ )
6390             {
6391                 colRight += m_colWidths[colPos];
6392                 m_colRights[colPos] = colRight;
6393             }
6394         }
6395
6396         m_colLabelWin->Refresh();
6397         m_gridWin->Refresh();
6398     }
6399 }
6400
6401
6402 //
6403 // ------ interaction with data model
6404 //
6405 bool wxGrid::ProcessTableMessage( wxGridTableMessage& msg )
6406 {
6407     switch ( msg.GetId() )
6408     {
6409         case wxGRIDTABLE_REQUEST_VIEW_GET_VALUES:
6410             return GetModelValues();
6411
6412         case wxGRIDTABLE_REQUEST_VIEW_SEND_VALUES:
6413             return SetModelValues();
6414
6415         case wxGRIDTABLE_NOTIFY_ROWS_INSERTED:
6416         case wxGRIDTABLE_NOTIFY_ROWS_APPENDED:
6417         case wxGRIDTABLE_NOTIFY_ROWS_DELETED:
6418         case wxGRIDTABLE_NOTIFY_COLS_INSERTED:
6419         case wxGRIDTABLE_NOTIFY_COLS_APPENDED:
6420         case wxGRIDTABLE_NOTIFY_COLS_DELETED:
6421             return Redimension( msg );
6422
6423         default:
6424             return false;
6425     }
6426 }
6427
6428 // The behaviour of this function depends on the grid table class
6429 // Clear() function. For the default wxGridStringTable class the
6430 // behavious is to replace all cell contents with wxEmptyString but
6431 // not to change the number of rows or cols.
6432 //
6433 void wxGrid::ClearGrid()
6434 {
6435     if ( m_table )
6436     {
6437         if (IsCellEditControlEnabled())
6438             DisableCellEditControl();
6439
6440         m_table->Clear();
6441         if (!GetBatchCount())
6442             m_gridWin->Refresh();
6443     }
6444 }
6445
6446 bool wxGrid::InsertRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
6447 {
6448     // TODO: something with updateLabels flag
6449
6450     if ( !m_created )
6451     {
6452         wxFAIL_MSG( wxT("Called wxGrid::InsertRows() before calling CreateGrid()") );
6453         return false;
6454     }
6455
6456     if ( m_table )
6457     {
6458         if (IsCellEditControlEnabled())
6459             DisableCellEditControl();
6460
6461         bool done = m_table->InsertRows( pos, numRows );
6462         return done;
6463
6464         // the table will have sent the results of the insert row
6465         // operation to this view object as a grid table message
6466     }
6467
6468     return false;
6469 }
6470
6471 bool wxGrid::AppendRows( int numRows, bool WXUNUSED(updateLabels) )
6472 {
6473     // TODO: something with updateLabels flag
6474
6475     if ( !m_created )
6476     {
6477         wxFAIL_MSG( wxT("Called wxGrid::AppendRows() before calling CreateGrid()") );
6478         return false;
6479     }
6480
6481     if ( m_table )
6482     {
6483         bool done = m_table && m_table->AppendRows( numRows );
6484         return done;
6485
6486         // the table will have sent the results of the append row
6487         // operation to this view object as a grid table message
6488     }
6489
6490     return false;
6491 }
6492
6493 bool wxGrid::DeleteRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
6494 {
6495     // TODO: something with updateLabels flag
6496
6497     if ( !m_created )
6498     {
6499         wxFAIL_MSG( wxT("Called wxGrid::DeleteRows() before calling CreateGrid()") );
6500         return false;
6501     }
6502
6503     if ( m_table )
6504     {
6505         if (IsCellEditControlEnabled())
6506             DisableCellEditControl();
6507
6508         bool done = m_table->DeleteRows( pos, numRows );
6509         return done;
6510         // the table will have sent the results of the delete row
6511         // operation to this view object as a grid table message
6512     }
6513
6514     return false;
6515 }
6516
6517 bool wxGrid::InsertCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
6518 {
6519     // TODO: something with updateLabels flag
6520
6521     if ( !m_created )
6522     {
6523         wxFAIL_MSG( wxT("Called wxGrid::InsertCols() before calling CreateGrid()") );
6524         return false;
6525     }
6526
6527     if ( m_table )
6528     {
6529         if (IsCellEditControlEnabled())
6530             DisableCellEditControl();
6531
6532         bool done = m_table->InsertCols( pos, numCols );
6533         return done;
6534         // the table will have sent the results of the insert col
6535         // operation to this view object as a grid table message
6536     }
6537
6538     return false;
6539 }
6540
6541 bool wxGrid::AppendCols( int numCols, bool WXUNUSED(updateLabels) )
6542 {
6543     // TODO: something with updateLabels flag
6544
6545     if ( !m_created )
6546     {
6547         wxFAIL_MSG( wxT("Called wxGrid::AppendCols() before calling CreateGrid()") );
6548         return false;
6549     }
6550
6551     if ( m_table )
6552     {
6553         bool done = m_table->AppendCols( numCols );
6554         return done;
6555         // the table will have sent the results of the append col
6556         // operation to this view object as a grid table message
6557     }
6558
6559     return false;
6560 }
6561
6562 bool wxGrid::DeleteCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
6563 {
6564     // TODO: something with updateLabels flag
6565
6566     if ( !m_created )
6567     {
6568         wxFAIL_MSG( wxT("Called wxGrid::DeleteCols() before calling CreateGrid()") );
6569         return false;
6570     }
6571
6572     if ( m_table )
6573     {
6574         if (IsCellEditControlEnabled())
6575             DisableCellEditControl();
6576
6577         bool done = m_table->DeleteCols( pos, numCols );
6578         return done;
6579         // the table will have sent the results of the delete col
6580         // operation to this view object as a grid table message
6581     }
6582
6583     return false;
6584 }
6585
6586 //
6587 // ----- event handlers
6588 //
6589
6590 // Generate a grid event based on a mouse event and
6591 // return the result of ProcessEvent()
6592 //
6593 int wxGrid::SendEvent( const wxEventType type,
6594                         int row, int col,
6595                         wxMouseEvent& mouseEv )
6596 {
6597    bool claimed, vetoed;
6598
6599    if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE )
6600    {
6601        int rowOrCol = (row == -1 ? col : row);
6602
6603        wxGridSizeEvent gridEvt( GetId(),
6604                type,
6605                this,
6606                rowOrCol,
6607                mouseEv.GetX() + GetRowLabelSize(),
6608                mouseEv.GetY() + GetColLabelSize(),
6609                mouseEv.ControlDown(),
6610                mouseEv.ShiftDown(),
6611                mouseEv.AltDown(),
6612                mouseEv.MetaDown() );
6613
6614        claimed = GetEventHandler()->ProcessEvent(gridEvt);
6615        vetoed = !gridEvt.IsAllowed();
6616    }
6617    else if ( type == wxEVT_GRID_RANGE_SELECT )
6618    {
6619        // Right now, it should _never_ end up here!
6620        wxGridRangeSelectEvent gridEvt( GetId(),
6621                type,
6622                this,
6623                m_selectingTopLeft,
6624                m_selectingBottomRight,
6625                true,
6626                mouseEv.ControlDown(),
6627                mouseEv.ShiftDown(),
6628                mouseEv.AltDown(),
6629                mouseEv.MetaDown() );
6630
6631        claimed = GetEventHandler()->ProcessEvent(gridEvt);
6632        vetoed = !gridEvt.IsAllowed();
6633    }
6634    else if ( type == wxEVT_GRID_LABEL_LEFT_CLICK ||
6635              type == wxEVT_GRID_LABEL_LEFT_DCLICK ||
6636              type == wxEVT_GRID_LABEL_RIGHT_CLICK ||
6637              type == wxEVT_GRID_LABEL_RIGHT_DCLICK )
6638    {
6639        wxPoint pos = mouseEv.GetPosition();
6640
6641        if ( mouseEv.GetEventObject() == GetGridRowLabelWindow() )
6642            pos.y += GetColLabelSize();
6643        if ( mouseEv.GetEventObject() == GetGridColLabelWindow() )
6644            pos.x += GetRowLabelSize();
6645
6646        wxGridEvent gridEvt( GetId(),
6647                type,
6648                this,
6649                row, col,
6650                pos.x,
6651                pos.y,
6652                false,
6653                mouseEv.ControlDown(),
6654                mouseEv.ShiftDown(),
6655                mouseEv.AltDown(),
6656                mouseEv.MetaDown() );
6657        claimed = GetEventHandler()->ProcessEvent(gridEvt);
6658        vetoed = !gridEvt.IsAllowed();
6659    }
6660    else
6661    {
6662        wxGridEvent gridEvt( GetId(),
6663                type,
6664                this,
6665                row, col,
6666                mouseEv.GetX() + GetRowLabelSize(),
6667                mouseEv.GetY() + GetColLabelSize(),
6668                false,
6669                mouseEv.ControlDown(),
6670                mouseEv.ShiftDown(),
6671                mouseEv.AltDown(),
6672                mouseEv.MetaDown() );
6673        claimed = GetEventHandler()->ProcessEvent(gridEvt);
6674        vetoed = !gridEvt.IsAllowed();
6675    }
6676
6677    // A Veto'd event may not be `claimed' so test this first
6678    if (vetoed)
6679        return -1;
6680
6681    return claimed ? 1 : 0;
6682 }
6683
6684 // Generate a grid event of specified type and return the result
6685 // of ProcessEvent().
6686 //
6687 int wxGrid::SendEvent( const wxEventType type,
6688                         int row, int col )
6689 {
6690    bool claimed, vetoed;
6691
6692     if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE )
6693     {
6694         int rowOrCol = (row == -1 ? col : row);
6695
6696         wxGridSizeEvent gridEvt( GetId(), type, this, rowOrCol );
6697
6698         claimed = GetEventHandler()->ProcessEvent(gridEvt);
6699         vetoed  = !gridEvt.IsAllowed();
6700     }
6701     else
6702     {
6703         wxGridEvent gridEvt( GetId(), type, this, row, col );
6704
6705         claimed = GetEventHandler()->ProcessEvent(gridEvt);
6706         vetoed  = !gridEvt.IsAllowed();
6707      }
6708
6709     // A Veto'd event may not be `claimed' so test this first
6710     if (vetoed)
6711         return -1;
6712
6713     return claimed ? 1 : 0;
6714 }
6715
6716 void wxGrid::OnPaint( wxPaintEvent& WXUNUSED(event) )
6717 {
6718     // needed to prevent zillions of paint events on MSW
6719     wxPaintDC dc(this);
6720 }
6721
6722 void wxGrid::Refresh(bool eraseb, const wxRect* rect)
6723 {
6724     // Don't do anything if between Begin/EndBatch...
6725     // EndBatch() will do all this on the last nested one anyway.
6726     if (! GetBatchCount())
6727     {
6728         // Refresh to get correct scrolled position:
6729         wxScrolledWindow::Refresh(eraseb, rect);
6730
6731         if (rect)
6732         {
6733             int rect_x, rect_y, rectWidth, rectHeight;
6734             int width_label, width_cell, height_label, height_cell;
6735             int x, y;
6736
6737             // Copy rectangle can get scroll offsets..
6738             rect_x = rect->GetX();
6739             rect_y = rect->GetY();
6740             rectWidth = rect->GetWidth();
6741             rectHeight = rect->GetHeight();
6742
6743             width_label = m_rowLabelWidth - rect_x;
6744             if (width_label > rectWidth)
6745                 width_label = rectWidth;
6746
6747             height_label = m_colLabelHeight - rect_y;
6748             if (height_label > rectHeight)
6749                 height_label = rectHeight;
6750
6751             if (rect_x > m_rowLabelWidth)
6752             {
6753                 x = rect_x - m_rowLabelWidth;
6754                 width_cell = rectWidth;
6755             }
6756             else
6757             {
6758                 x = 0;
6759                 width_cell = rectWidth - (m_rowLabelWidth - rect_x);
6760             }
6761
6762             if (rect_y > m_colLabelHeight)
6763             {
6764                 y = rect_y - m_colLabelHeight;
6765                 height_cell = rectHeight;
6766             }
6767             else
6768             {
6769                 y = 0;
6770                 height_cell = rectHeight - (m_colLabelHeight - rect_y);
6771             }
6772
6773             // Paint corner label part intersecting rect.
6774             if ( width_label > 0 && height_label > 0 )
6775             {
6776                 wxRect anotherrect(rect_x, rect_y, width_label, height_label);
6777                 m_cornerLabelWin->Refresh(eraseb, &anotherrect);
6778             }
6779
6780             // Paint col labels part intersecting rect.
6781             if ( width_cell > 0 && height_label > 0 )
6782             {
6783                 wxRect anotherrect(x, rect_y, width_cell, height_label);
6784                 m_colLabelWin->Refresh(eraseb, &anotherrect);
6785             }
6786
6787             // Paint row labels part intersecting rect.
6788             if ( width_label > 0 && height_cell > 0 )
6789             {
6790                 wxRect anotherrect(rect_x, y, width_label, height_cell);
6791                 m_rowLabelWin->Refresh(eraseb, &anotherrect);
6792             }
6793
6794             // Paint cell area part intersecting rect.
6795             if ( width_cell > 0 && height_cell > 0 )
6796             {
6797                 wxRect anotherrect(x, y, width_cell, height_cell);
6798                 m_gridWin->Refresh(eraseb, &anotherrect);
6799             }
6800         }
6801         else
6802         {
6803             m_cornerLabelWin->Refresh(eraseb, NULL);
6804             m_colLabelWin->Refresh(eraseb, NULL);
6805             m_rowLabelWin->Refresh(eraseb, NULL);
6806             m_gridWin->Refresh(eraseb, NULL);
6807         }
6808     }
6809 }
6810
6811 void wxGrid::OnSize( wxSizeEvent& event )
6812 {
6813     // position the child windows
6814     CalcWindowSizes();
6815
6816     // don't call CalcDimensions() from here, the base class handles the size
6817     // changes itself
6818     event.Skip();
6819 }
6820
6821 void wxGrid::OnKeyDown( wxKeyEvent& event )
6822 {
6823     if ( m_inOnKeyDown )
6824     {
6825         // shouldn't be here - we are going round in circles...
6826         //
6827         wxFAIL_MSG( wxT("wxGrid::OnKeyDown called while already active") );
6828     }
6829
6830     m_inOnKeyDown = true;
6831
6832     // propagate the event up and see if it gets processed
6833     wxWindow *parent = GetParent();
6834     wxKeyEvent keyEvt( event );
6835     keyEvt.SetEventObject( parent );
6836
6837     if ( !parent->GetEventHandler()->ProcessEvent( keyEvt ) )
6838     {
6839         if (GetLayoutDirection() == wxLayout_RightToLeft)
6840         {
6841             if (event.GetKeyCode() == WXK_RIGHT)
6842                 event.m_keyCode = WXK_LEFT;
6843             else if (event.GetKeyCode() == WXK_LEFT)
6844                 event.m_keyCode = WXK_RIGHT;
6845         }
6846
6847         // try local handlers
6848         switch ( event.GetKeyCode() )
6849         {
6850             case WXK_UP:
6851                 if ( event.ControlDown() )
6852                     MoveCursorUpBlock( event.ShiftDown() );
6853                 else
6854                     MoveCursorUp( event.ShiftDown() );
6855                 break;
6856
6857             case WXK_DOWN:
6858                 if ( event.ControlDown() )
6859                     MoveCursorDownBlock( event.ShiftDown() );
6860                 else
6861                     MoveCursorDown( event.ShiftDown() );
6862                 break;
6863
6864             case WXK_LEFT:
6865                 if ( event.ControlDown() )
6866                     MoveCursorLeftBlock( event.ShiftDown() );
6867                 else
6868                     MoveCursorLeft( event.ShiftDown() );
6869                 break;
6870
6871             case WXK_RIGHT:
6872                 if ( event.ControlDown() )
6873                     MoveCursorRightBlock( event.ShiftDown() );
6874                 else
6875                     MoveCursorRight( event.ShiftDown() );
6876                 break;
6877
6878             case WXK_RETURN:
6879             case WXK_NUMPAD_ENTER:
6880                 if ( event.ControlDown() )
6881                 {
6882                     event.Skip();  // to let the edit control have the return
6883                 }
6884                 else
6885                 {
6886                     if ( GetGridCursorRow() < GetNumberRows()-1 )
6887                     {
6888                         MoveCursorDown( event.ShiftDown() );
6889                     }
6890                     else
6891                     {
6892                         // at the bottom of a column
6893                         DisableCellEditControl();
6894                     }
6895                 }
6896                 break;
6897
6898             case WXK_ESCAPE:
6899                 ClearSelection();
6900                 break;
6901
6902             case WXK_TAB:
6903                 if (event.ShiftDown())
6904                 {
6905                     if ( GetGridCursorCol() > 0 )
6906                     {
6907                         MoveCursorLeft( false );
6908                     }
6909                     else
6910                     {
6911                         // at left of grid
6912                         DisableCellEditControl();
6913                     }
6914                 }
6915                 else
6916                 {
6917                     if ( GetGridCursorCol() < GetNumberCols() - 1 )
6918                     {
6919                         MoveCursorRight( false );
6920                     }
6921                     else
6922                     {
6923                         // at right of grid
6924                         DisableCellEditControl();
6925                     }
6926                 }
6927                 break;
6928
6929             case WXK_HOME:
6930                 if ( event.ControlDown() )
6931                 {
6932                     MakeCellVisible( 0, 0 );
6933                     SetCurrentCell( 0, 0 );
6934                 }
6935                 else
6936                 {
6937                     event.Skip();
6938                 }
6939                 break;
6940
6941             case WXK_END:
6942                 if ( event.ControlDown() )
6943                 {
6944                     MakeCellVisible( m_numRows - 1, m_numCols - 1 );
6945                     SetCurrentCell( m_numRows - 1, m_numCols - 1 );
6946                 }
6947                 else
6948                 {
6949                     event.Skip();
6950                 }
6951                 break;
6952
6953             case WXK_PAGEUP:
6954                 MovePageUp();
6955                 break;
6956
6957             case WXK_PAGEDOWN:
6958                 MovePageDown();
6959                 break;
6960
6961             case WXK_SPACE:
6962                 if ( event.ControlDown() )
6963                 {
6964                     if ( m_selection )
6965                     {
6966                         m_selection->ToggleCellSelection(
6967                             m_currentCellCoords.GetRow(),
6968                             m_currentCellCoords.GetCol(),
6969                             event.ControlDown(),
6970                             event.ShiftDown(),
6971                             event.AltDown(),
6972                             event.MetaDown() );
6973                     }
6974                     break;
6975                 }
6976
6977                 if ( !IsEditable() )
6978                     MoveCursorRight( false );
6979                 else
6980                     event.Skip();
6981                 break;
6982
6983             default:
6984                 event.Skip();
6985                 break;
6986         }
6987     }
6988
6989     m_inOnKeyDown = false;
6990 }
6991
6992 void wxGrid::OnKeyUp( wxKeyEvent& event )
6993 {
6994     // try local handlers
6995     //
6996     if ( event.GetKeyCode() == WXK_SHIFT )
6997     {
6998         if ( m_selectingTopLeft != wxGridNoCellCoords &&
6999              m_selectingBottomRight != wxGridNoCellCoords )
7000         {
7001             if ( m_selection )
7002             {
7003                 m_selection->SelectBlock(
7004                     m_selectingTopLeft.GetRow(),
7005                     m_selectingTopLeft.GetCol(),
7006                     m_selectingBottomRight.GetRow(),
7007                     m_selectingBottomRight.GetCol(),
7008                     event.ControlDown(),
7009                     true,
7010                     event.AltDown(),
7011                     event.MetaDown() );
7012             }
7013         }
7014
7015         m_selectingTopLeft = wxGridNoCellCoords;
7016         m_selectingBottomRight = wxGridNoCellCoords;
7017         m_selectingKeyboard = wxGridNoCellCoords;
7018     }
7019 }
7020
7021 void wxGrid::OnChar( wxKeyEvent& event )
7022 {
7023     // is it possible to edit the current cell at all?
7024     if ( !IsCellEditControlEnabled() && CanEnableCellControl() )
7025     {
7026         // yes, now check whether the cells editor accepts the key
7027         int row = m_currentCellCoords.GetRow();
7028         int col = m_currentCellCoords.GetCol();
7029         wxGridCellAttr *attr = GetCellAttr(row, col);
7030         wxGridCellEditor *editor = attr->GetEditor(this, row, col);
7031
7032         // <F2> is special and will always start editing, for
7033         // other keys - ask the editor itself
7034         if ( (event.GetKeyCode() == WXK_F2 && !event.HasModifiers())
7035              || editor->IsAcceptedKey(event) )
7036         {
7037             // ensure cell is visble
7038             MakeCellVisible(row, col);
7039             EnableCellEditControl();
7040
7041             // a problem can arise if the cell is not completely
7042             // visible (even after calling MakeCellVisible the
7043             // control is not created and calling StartingKey will
7044             // crash the app
7045             if ( event.GetKeyCode() != WXK_F2 && editor->IsCreated() && m_cellEditCtrlEnabled )
7046                 editor->StartingKey(event);
7047         }
7048         else
7049         {
7050             event.Skip();
7051         }
7052
7053         editor->DecRef();
7054         attr->DecRef();
7055     }
7056     else
7057     {
7058         event.Skip();
7059     }
7060 }
7061
7062 void wxGrid::OnEraseBackground(wxEraseEvent&)
7063 {
7064 }
7065
7066 void wxGrid::SetCurrentCell( const wxGridCellCoords& coords )
7067 {
7068     if ( SendEvent( wxEVT_GRID_SELECT_CELL, coords.GetRow(), coords.GetCol() ) )
7069     {
7070         // the event has been intercepted - do nothing
7071         return;
7072     }
7073
7074     wxClientDC dc( m_gridWin );
7075     PrepareDC( dc );
7076
7077     if ( m_currentCellCoords != wxGridNoCellCoords )
7078     {
7079         DisableCellEditControl();
7080
7081         if ( IsVisible( m_currentCellCoords, false ) )
7082         {
7083             wxRect r;
7084             r = BlockToDeviceRect( m_currentCellCoords, m_currentCellCoords );
7085             if ( !m_gridLinesEnabled )
7086             {
7087                 r.x--;
7088                 r.y--;
7089                 r.width++;
7090                 r.height++;
7091             }
7092
7093             wxGridCellCoordsArray cells = CalcCellsExposed( r );
7094
7095             // Otherwise refresh redraws the highlight!
7096             m_currentCellCoords = coords;
7097
7098             DrawGridCellArea( dc, cells );
7099             DrawAllGridLines( dc, r );
7100         }
7101     }
7102
7103     m_currentCellCoords = coords;
7104
7105     wxGridCellAttr *attr = GetCellAttr( coords );
7106     DrawCellHighlight( dc, attr );
7107     attr->DecRef();
7108 }
7109
7110 void wxGrid::HighlightBlock( int topRow, int leftCol, int bottomRow, int rightCol )
7111 {
7112     int temp;
7113     wxGridCellCoords updateTopLeft, updateBottomRight;
7114
7115     if ( m_selection )
7116     {
7117         if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectRows )
7118         {
7119             leftCol = 0;
7120             rightCol = GetNumberCols() - 1;
7121         }
7122         else if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectColumns )
7123         {
7124             topRow = 0;
7125             bottomRow = GetNumberRows() - 1;
7126         }
7127     }
7128
7129     if ( topRow > bottomRow )
7130     {
7131         temp = topRow;
7132         topRow = bottomRow;
7133         bottomRow = temp;
7134     }
7135
7136     if ( leftCol > rightCol )
7137     {
7138         temp = leftCol;
7139         leftCol = rightCol;
7140         rightCol = temp;
7141     }
7142
7143     updateTopLeft = wxGridCellCoords( topRow, leftCol );
7144     updateBottomRight = wxGridCellCoords( bottomRow, rightCol );
7145
7146     // First the case that we selected a completely new area
7147     if ( m_selectingTopLeft == wxGridNoCellCoords ||
7148          m_selectingBottomRight == wxGridNoCellCoords )
7149     {
7150         wxRect rect;
7151         rect = BlockToDeviceRect( wxGridCellCoords ( topRow, leftCol ),
7152                                   wxGridCellCoords ( bottomRow, rightCol ) );
7153         m_gridWin->Refresh( false, &rect );
7154     }
7155
7156     // Now handle changing an existing selection area.
7157     else if ( m_selectingTopLeft != updateTopLeft ||
7158               m_selectingBottomRight != updateBottomRight )
7159     {
7160         // Compute two optimal update rectangles:
7161         // Either one rectangle is a real subset of the
7162         // other, or they are (almost) disjoint!
7163         wxRect  rect[4];
7164         bool    need_refresh[4];
7165         need_refresh[0] =
7166         need_refresh[1] =
7167         need_refresh[2] =
7168         need_refresh[3] = false;
7169         int     i;
7170
7171         // Store intermediate values
7172         wxCoord oldLeft = m_selectingTopLeft.GetCol();
7173         wxCoord oldTop = m_selectingTopLeft.GetRow();
7174         wxCoord oldRight = m_selectingBottomRight.GetCol();
7175         wxCoord oldBottom = m_selectingBottomRight.GetRow();
7176
7177         // Determine the outer/inner coordinates.
7178         if (oldLeft > leftCol)
7179         {
7180             temp = oldLeft;
7181             oldLeft = leftCol;
7182             leftCol = temp;
7183         }
7184         if (oldTop > topRow )
7185         {
7186             temp = oldTop;
7187             oldTop = topRow;
7188             topRow = temp;
7189         }
7190         if (oldRight < rightCol )
7191         {
7192             temp = oldRight;
7193             oldRight = rightCol;
7194             rightCol = temp;
7195         }
7196         if (oldBottom < bottomRow)
7197         {
7198             temp = oldBottom;
7199             oldBottom = bottomRow;
7200             bottomRow = temp;
7201         }
7202
7203         // Now, either the stuff marked old is the outer
7204         // rectangle or we don't have a situation where one
7205         // is contained in the other.
7206
7207         if ( oldLeft < leftCol )
7208         {
7209             // Refresh the newly selected or deselected
7210             // area to the left of the old or new selection.
7211             need_refresh[0] = true;
7212             rect[0] = BlockToDeviceRect(
7213                 wxGridCellCoords( oldTop,  oldLeft ),
7214                 wxGridCellCoords( oldBottom, leftCol - 1 ) );
7215         }
7216
7217         if ( oldTop < topRow )
7218         {
7219             // Refresh the newly selected or deselected
7220             // area above the old or new selection.
7221             need_refresh[1] = true;
7222             rect[1] = BlockToDeviceRect(
7223                 wxGridCellCoords( oldTop, leftCol ),
7224                 wxGridCellCoords( topRow - 1, rightCol ) );
7225         }
7226
7227         if ( oldRight > rightCol )
7228         {
7229             // Refresh the newly selected or deselected
7230             // area to the right of the old or new selection.
7231             need_refresh[2] = true;
7232             rect[2] = BlockToDeviceRect(
7233                 wxGridCellCoords( oldTop, rightCol + 1 ),
7234                 wxGridCellCoords( oldBottom, oldRight ) );
7235         }
7236
7237         if ( oldBottom > bottomRow )
7238         {
7239             // Refresh the newly selected or deselected
7240             // area below the old or new selection.
7241             need_refresh[3] = true;
7242             rect[3] = BlockToDeviceRect(
7243                 wxGridCellCoords( bottomRow + 1, leftCol ),
7244                 wxGridCellCoords( oldBottom, rightCol ) );
7245         }
7246
7247         // various Refresh() calls
7248         for (i = 0; i < 4; i++ )
7249             if ( need_refresh[i] && rect[i] != wxGridNoCellRect )
7250                 m_gridWin->Refresh( false, &(rect[i]) );
7251     }
7252
7253     // change selection
7254     m_selectingTopLeft = updateTopLeft;
7255     m_selectingBottomRight = updateBottomRight;
7256 }
7257
7258 //
7259 // ------ functions to get/send data (see also public functions)
7260 //
7261
7262 bool wxGrid::GetModelValues()
7263 {
7264     // Hide the editor, so it won't hide a changed value.
7265     HideCellEditControl();
7266
7267     if ( m_table )
7268     {
7269         // all we need to do is repaint the grid
7270         //
7271         m_gridWin->Refresh();
7272         return true;
7273     }
7274
7275     return false;
7276 }
7277
7278 bool wxGrid::SetModelValues()
7279 {
7280     int row, col;
7281
7282     // Disable the editor, so it won't hide a changed value.
7283     // Do we also want to save the current value of the editor first?
7284     // I think so ...
7285     DisableCellEditControl();
7286
7287     if ( m_table )
7288     {
7289         for ( row = 0; row < m_numRows; row++ )
7290         {
7291             for ( col = 0; col < m_numCols; col++ )
7292             {
7293                 m_table->SetValue( row, col, GetCellValue(row, col) );
7294             }
7295         }
7296
7297         return true;
7298     }
7299
7300     return false;
7301 }
7302
7303 // Note - this function only draws cells that are in the list of
7304 // exposed cells (usually set from the update region by
7305 // CalcExposedCells)
7306 //
7307 void wxGrid::DrawGridCellArea( wxDC& dc, const wxGridCellCoordsArray& cells )
7308 {
7309     if ( !m_numRows || !m_numCols )
7310         return;
7311
7312     int i, numCells = cells.GetCount();
7313     int row, col, cell_rows, cell_cols;
7314     wxGridCellCoordsArray redrawCells;
7315
7316     for ( i = numCells - 1; i >= 0; i-- )
7317     {
7318         row = cells[i].GetRow();
7319         col = cells[i].GetCol();
7320         GetCellSize( row, col, &cell_rows, &cell_cols );
7321
7322         // If this cell is part of a multicell block, find owner for repaint
7323         if ( cell_rows <= 0 || cell_cols <= 0 )
7324         {
7325             wxGridCellCoords cell( row + cell_rows, col + cell_cols );
7326             bool marked = false;
7327             for ( int j = 0; j < numCells; j++ )
7328             {
7329                 if ( cell == cells[j] )
7330                 {
7331                     marked = true;
7332                     break;
7333                 }
7334             }
7335
7336             if (!marked)
7337             {
7338                 int count = redrawCells.GetCount();
7339                 for (int j = 0; j < count; j++)
7340                 {
7341                     if ( cell == redrawCells[j] )
7342                     {
7343                         marked = true;
7344                         break;
7345                     }
7346                 }
7347
7348                 if (!marked)
7349                     redrawCells.Add( cell );
7350             }
7351
7352             // don't bother drawing this cell
7353             continue;
7354         }
7355
7356         // If this cell is empty, find cell to left that might want to overflow
7357         if (m_table && m_table->IsEmptyCell(row, col))
7358         {
7359             for ( int l = 0; l < cell_rows; l++ )
7360             {
7361                 // find a cell in this row to leave already marked for repaint
7362                 int left = col;
7363                 for (int k = 0; k < int(redrawCells.GetCount()); k++)
7364                     if ((redrawCells[k].GetCol() < left) &&
7365                         (redrawCells[k].GetRow() == row))
7366                     {
7367                         left = redrawCells[k].GetCol();
7368                     }
7369
7370                 if (left == col)
7371                     left = 0; // oh well
7372
7373                 for (int j = col - 1; j >= left; j--)
7374                 {
7375                     if (!m_table->IsEmptyCell(row + l, j))
7376                     {
7377                         if (GetCellOverflow(row + l, j))
7378                         {
7379                             wxGridCellCoords cell(row + l, j);
7380                             bool marked = false;
7381
7382                             for (int k = 0; k < numCells; k++)
7383                             {
7384                                 if ( cell == cells[k] )
7385                                 {
7386                                     marked = true;
7387                                     break;
7388                                 }
7389                             }
7390
7391                             if (!marked)
7392                             {
7393                                 int count = redrawCells.GetCount();
7394                                 for (int k = 0; k < count; k++)
7395                                 {
7396                                     if ( cell == redrawCells[k] )
7397                                     {
7398                                         marked = true;
7399                                         break;
7400                                     }
7401                                 }
7402                                 if (!marked)
7403                                     redrawCells.Add( cell );
7404                             }
7405                         }
7406                         break;
7407                     }
7408                 }
7409             }
7410         }
7411
7412         DrawCell( dc, cells[i] );
7413     }
7414
7415     numCells = redrawCells.GetCount();
7416
7417     for ( i = numCells - 1; i >= 0; i-- )
7418     {
7419         DrawCell( dc, redrawCells[i] );
7420     }
7421 }
7422
7423 void wxGrid::DrawGridSpace( wxDC& dc )
7424 {
7425   int cw, ch;
7426   m_gridWin->GetClientSize( &cw, &ch );
7427
7428   int right, bottom;
7429   CalcUnscrolledPosition( cw, ch, &right, &bottom );
7430
7431   int rightCol = m_numCols > 0 ? GetColRight(GetColAt( m_numCols - 1 )) : 0;
7432   int bottomRow = m_numRows > 0 ? GetRowBottom(m_numRows - 1) : 0;
7433
7434   if ( right > rightCol || bottom > bottomRow )
7435   {
7436       int left, top;
7437       CalcUnscrolledPosition( 0, 0, &left, &top );
7438
7439       dc.SetBrush( wxBrush(GetDefaultCellBackgroundColour(), wxSOLID) );
7440       dc.SetPen( *wxTRANSPARENT_PEN );
7441
7442       if ( right > rightCol )
7443       {
7444           dc.DrawRectangle( rightCol, top, right - rightCol, ch );
7445       }
7446
7447       if ( bottom > bottomRow )
7448       {
7449           dc.DrawRectangle( left, bottomRow, cw, bottom - bottomRow );
7450       }
7451   }
7452 }
7453
7454 void wxGrid::DrawCell( wxDC& dc, const wxGridCellCoords& coords )
7455 {
7456     int row = coords.GetRow();
7457     int col = coords.GetCol();
7458
7459     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
7460         return;
7461
7462     // we draw the cell border ourselves
7463 #if !WXGRID_DRAW_LINES
7464     if ( m_gridLinesEnabled )
7465         DrawCellBorder( dc, coords );
7466 #endif
7467
7468     wxGridCellAttr* attr = GetCellAttr(row, col);
7469
7470     bool isCurrent = coords == m_currentCellCoords;
7471
7472     wxRect rect = CellToRect( row, col );
7473
7474     // if the editor is shown, we should use it and not the renderer
7475     // Note: However, only if it is really _shown_, i.e. not hidden!
7476     if ( isCurrent && IsCellEditControlShown() )
7477     {
7478         // NB: this "#if..." is temporary and fixes a problem where the
7479         // edit control is erased by this code after being rendered.
7480         // On wxMac (QD build only), the cell editor is a wxTextCntl and is rendered
7481         // implicitly, causing this out-of order render.
7482 #if !defined(__WXMAC__) || wxMAC_USE_CORE_GRAPHICS
7483         wxGridCellEditor *editor = attr->GetEditor(this, row, col);
7484         editor->PaintBackground(rect, attr);
7485         editor->DecRef();
7486 #endif
7487     }
7488     else
7489     {
7490         // but all the rest is drawn by the cell renderer and hence may be customized
7491         wxGridCellRenderer *renderer = attr->GetRenderer(this, row, col);
7492         renderer->Draw(*this, *attr, dc, rect, row, col, IsInSelection(coords));
7493         renderer->DecRef();
7494     }
7495
7496     attr->DecRef();
7497 }
7498
7499 void wxGrid::DrawCellHighlight( wxDC& dc, const wxGridCellAttr *attr )
7500 {
7501     int row = m_currentCellCoords.GetRow();
7502     int col = m_currentCellCoords.GetCol();
7503
7504     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
7505         return;
7506
7507     wxRect rect = CellToRect(row, col);
7508
7509     // hmmm... what could we do here to show that the cell is disabled?
7510     // for now, I just draw a thinner border than for the other ones, but
7511     // it doesn't look really good
7512
7513     int penWidth = attr->IsReadOnly() ? m_cellHighlightROPenWidth : m_cellHighlightPenWidth;
7514
7515     if (penWidth > 0)
7516     {
7517         // The center of the drawn line is where the position/width/height of
7518         // the rectangle is actually at (on wxMSW at least), so the
7519         // size of the rectangle is reduced to compensate for the thickness of
7520         // the line. If this is too strange on non-wxMSW platforms then
7521         // please #ifdef this appropriately.
7522         rect.x += penWidth / 2;
7523         rect.y += penWidth / 2;
7524         rect.width -= penWidth - 1;
7525         rect.height -= penWidth - 1;
7526
7527         // Now draw the rectangle
7528         // use the cellHighlightColour if the cell is inside a selection, this
7529         // will ensure the cell is always visible.
7530         dc.SetPen(wxPen(IsInSelection(row,col) ? m_selectionForeground : m_cellHighlightColour, penWidth, wxSOLID));
7531         dc.SetBrush(*wxTRANSPARENT_BRUSH);
7532         dc.DrawRectangle(rect);
7533     }
7534
7535 #if 0
7536         // VZ: my experiments with 3D borders...
7537
7538         // how to properly set colours for arbitrary bg?
7539         wxCoord x1 = rect.x,
7540                 y1 = rect.y,
7541                 x2 = rect.x + rect.width - 1,
7542                 y2 = rect.y + rect.height - 1;
7543
7544         dc.SetPen(*wxWHITE_PEN);
7545         dc.DrawLine(x1, y1, x2, y1);
7546         dc.DrawLine(x1, y1, x1, y2);
7547
7548         dc.DrawLine(x1 + 1, y2 - 1, x2 - 1, y2 - 1);
7549         dc.DrawLine(x2 - 1, y1 + 1, x2 - 1, y2);
7550
7551         dc.SetPen(*wxBLACK_PEN);
7552         dc.DrawLine(x1, y2, x2, y2);
7553         dc.DrawLine(x2, y1, x2, y2 + 1);
7554 #endif
7555 }
7556
7557 wxPen wxGrid::GetDefaultGridLinePen()
7558 {
7559     return wxPen(GetGridLineColour(), 1, wxSOLID);
7560 }
7561
7562 wxPen wxGrid::GetRowGridLinePen(int WXUNUSED(row))
7563 {
7564     return GetDefaultGridLinePen();
7565 }
7566
7567 wxPen wxGrid::GetColGridLinePen(int WXUNUSED(col))
7568 {
7569     return GetDefaultGridLinePen();
7570 }
7571
7572 void wxGrid::DrawCellBorder( wxDC& dc, const wxGridCellCoords& coords )
7573 {
7574     int row = coords.GetRow();
7575     int col = coords.GetCol();
7576     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
7577         return;
7578
7579
7580     wxRect rect = CellToRect( row, col );
7581
7582     // right hand border
7583     dc.SetPen( GetColGridLinePen(col) );
7584     dc.DrawLine( rect.x + rect.width, rect.y,
7585                  rect.x + rect.width, rect.y + rect.height + 1 );
7586
7587     // bottom border
7588     dc.SetPen( GetRowGridLinePen(row) );
7589     dc.DrawLine( rect.x, rect.y + rect.height,
7590                  rect.x + rect.width, rect.y + rect.height);
7591 }
7592
7593 void wxGrid::DrawHighlight(wxDC& dc, const wxGridCellCoordsArray& cells)
7594 {
7595     // This if block was previously in wxGrid::OnPaint but that doesn't
7596     // seem to get called under wxGTK - MB
7597     //
7598     if ( m_currentCellCoords == wxGridNoCellCoords &&
7599          m_numRows && m_numCols )
7600     {
7601         m_currentCellCoords.Set(0, 0);
7602     }
7603
7604     if ( IsCellEditControlShown() )
7605     {
7606         // don't show highlight when the edit control is shown
7607         return;
7608     }
7609
7610     // if the active cell was repainted, repaint its highlight too because it
7611     // might have been damaged by the grid lines
7612     size_t count = cells.GetCount();
7613     for ( size_t n = 0; n < count; n++ )
7614     {
7615         if ( cells[n] == m_currentCellCoords )
7616         {
7617             wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords);
7618             DrawCellHighlight(dc, attr);
7619             attr->DecRef();
7620
7621             break;
7622         }
7623     }
7624 }
7625
7626 // TODO: remove this ???
7627 // This is used to redraw all grid lines e.g. when the grid line colour
7628 // has been changed
7629 //
7630 void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & WXUNUSED(reg) )
7631 {
7632 #if !WXGRID_DRAW_LINES
7633     return;
7634 #endif
7635
7636     if ( !m_gridLinesEnabled || !m_numRows || !m_numCols )
7637          return;
7638
7639     int top, bottom, left, right;
7640
7641 #if 0  //#ifndef __WXGTK__
7642     if (reg.IsEmpty())
7643     {
7644       int cw, ch;
7645       m_gridWin->GetClientSize(&cw, &ch);
7646
7647       // virtual coords of visible area
7648       //
7649       CalcUnscrolledPosition( 0, 0, &left, &top );
7650       CalcUnscrolledPosition( cw, ch, &right, &bottom );
7651     }
7652     else
7653     {
7654       wxCoord x, y, w, h;
7655       reg.GetBox(x, y, w, h);
7656       CalcUnscrolledPosition( x, y, &left, &top );
7657       CalcUnscrolledPosition( x + w, y + h, &right, &bottom );
7658     }
7659 #else
7660       int cw, ch;
7661       m_gridWin->GetClientSize(&cw, &ch);
7662       CalcUnscrolledPosition( 0, 0, &left, &top );
7663       CalcUnscrolledPosition( cw, ch, &right, &bottom );
7664 #endif
7665
7666     // avoid drawing grid lines past the last row and col
7667     //
7668     right = wxMin( right, GetColRight(GetColAt( m_numCols - 1 )) );
7669     bottom = wxMin( bottom, GetRowBottom(m_numRows - 1) );
7670
7671     // no gridlines inside multicells, clip them out
7672     int leftCol = GetColPos( internalXToCol(left) );
7673     int topRow = internalYToRow(top);
7674     int rightCol = GetColPos( internalXToCol(right) );
7675     int bottomRow = internalYToRow(bottom);
7676
7677 #ifndef __WXMAC__
7678     // CS: I don't know why suddenly unscrolled coordinates are used for clipping
7679     wxRegion clippedcells(0, 0, cw, ch);
7680
7681     int i, j, cell_rows, cell_cols;
7682     wxRect rect;
7683
7684     for (j=topRow; j<bottomRow; j++)
7685     {
7686         int colPos;
7687         for (colPos=leftCol; colPos<rightCol; colPos++)
7688         {
7689             i = GetColAt( colPos );
7690
7691             GetCellSize( j, i, &cell_rows, &cell_cols );
7692             if ((cell_rows > 1) || (cell_cols > 1))
7693             {
7694                 rect = CellToRect(j,i);
7695                 CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
7696                 clippedcells.Subtract(rect);
7697             }
7698             else if ((cell_rows < 0) || (cell_cols < 0))
7699             {
7700                 rect = CellToRect(j + cell_rows, i + cell_cols);
7701                 CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
7702                 clippedcells.Subtract(rect);
7703             }
7704         }
7705     }
7706 #else
7707     wxRegion clippedcells( left, top, right - left, bottom - top );
7708
7709     int i, j, cell_rows, cell_cols;
7710     wxRect rect;
7711
7712     for (j=topRow; j<bottomRow; j++)
7713     {
7714         for (i=leftCol; i<rightCol; i++)
7715         {
7716             GetCellSize( j, i, &cell_rows, &cell_cols );
7717             if ((cell_rows > 1) || (cell_cols > 1))
7718             {
7719                 rect = CellToRect(j, i);
7720                 clippedcells.Subtract(rect);
7721             }
7722             else if ((cell_rows < 0) || (cell_cols < 0))
7723             {
7724                 rect = CellToRect(j + cell_rows, i + cell_cols);
7725                 clippedcells.Subtract(rect);
7726             }
7727         }
7728     }
7729 #endif
7730
7731     dc.SetClippingRegion( clippedcells );
7732
7733
7734     // horizontal grid lines
7735     //
7736     // already declared above - int i;
7737     for ( i = internalYToRow(top); i < m_numRows; i++ )
7738     {
7739         int bot = GetRowBottom(i) - 1;
7740
7741         if ( bot > bottom )
7742         {
7743             break;
7744         }
7745
7746         if ( bot >= top )
7747         {
7748             dc.SetPen( GetRowGridLinePen(i) );
7749             dc.DrawLine( left, bot, right, bot );
7750         }
7751     }
7752
7753     // vertical grid lines
7754     //
7755     int colPos;
7756     for ( colPos = leftCol; colPos < m_numCols; colPos++ )
7757     {
7758         i = GetColAt( colPos );
7759
7760         int colRight = GetColRight(i);
7761 #ifdef __WXGTK__
7762         if (GetLayoutDirection() != wxLayout_RightToLeft)
7763 #endif
7764             colRight--;
7765
7766         if ( colRight > right )
7767         {
7768             break;
7769         }
7770
7771         if ( colRight >= left )
7772         {
7773             dc.SetPen( GetColGridLinePen(i) );
7774             dc.DrawLine( colRight, top, colRight, bottom );
7775         }
7776     }
7777
7778     dc.DestroyClippingRegion();
7779 }
7780
7781 void wxGrid::DrawRowLabels( wxDC& dc, const wxArrayInt& rows)
7782 {
7783     if ( !m_numRows )
7784         return;
7785
7786     size_t i;
7787     size_t numLabels = rows.GetCount();
7788
7789     for ( i = 0; i < numLabels; i++ )
7790     {
7791         DrawRowLabel( dc, rows[i] );
7792     }
7793 }
7794
7795 void wxGrid::DrawRowLabel( wxDC& dc, int row )
7796 {
7797     if ( GetRowHeight(row) <= 0 || m_rowLabelWidth <= 0 )
7798         return;
7799
7800     wxRect rect;
7801
7802 #if 0
7803 def __WXGTK20__
7804     rect.SetX( 1 );
7805     rect.SetY( GetRowTop(row) + 1 );
7806     rect.SetWidth( m_rowLabelWidth - 2 );
7807     rect.SetHeight( GetRowHeight(row) - 2 );
7808
7809     CalcScrolledPosition( 0, rect.y, NULL, &rect.y );
7810
7811     wxWindowDC *win_dc = (wxWindowDC*) &dc;
7812
7813     wxRendererNative::Get().DrawHeaderButton( win_dc->m_owner, dc, rect, 0 );
7814 #else
7815     int rowTop = GetRowTop(row),
7816         rowBottom = GetRowBottom(row) - 1;
7817
7818     dc.SetPen( wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW), 1, wxSOLID) );
7819     dc.DrawLine( m_rowLabelWidth - 1, rowTop, m_rowLabelWidth - 1, rowBottom );
7820     dc.DrawLine( 0, rowTop, 0, rowBottom );
7821     dc.DrawLine( 0, rowBottom, m_rowLabelWidth, rowBottom );
7822
7823     dc.SetPen( *wxWHITE_PEN );
7824     dc.DrawLine( 1, rowTop, 1, rowBottom );
7825     dc.DrawLine( 1, rowTop, m_rowLabelWidth - 1, rowTop );
7826 #endif
7827
7828     dc.SetBackgroundMode( wxTRANSPARENT );
7829     dc.SetTextForeground( GetLabelTextColour() );
7830     dc.SetFont( GetLabelFont() );
7831
7832     int hAlign, vAlign;
7833     GetRowLabelAlignment( &hAlign, &vAlign );
7834
7835     rect.SetX( 2 );
7836     rect.SetY( GetRowTop(row) + 2 );
7837     rect.SetWidth( m_rowLabelWidth - 4 );
7838     rect.SetHeight( GetRowHeight(row) - 4 );
7839     DrawTextRectangle( dc, GetRowLabelValue( row ), rect, hAlign, vAlign );
7840 }
7841
7842 void wxGrid::DrawColLabels( wxDC& dc,const wxArrayInt& cols )
7843 {
7844     if ( !m_numCols )
7845         return;
7846
7847     size_t i;
7848     size_t numLabels = cols.GetCount();
7849
7850     for ( i = 0; i < numLabels; i++ )
7851     {
7852         DrawColLabel( dc, cols[i] );
7853     }
7854 }
7855
7856 void wxGrid::DrawColLabel( wxDC& dc, int col )
7857 {
7858     if ( GetColWidth(col) <= 0 || m_colLabelHeight <= 0 )
7859         return;
7860
7861     int colLeft = GetColLeft(col);
7862
7863     wxRect rect;
7864
7865 #if 0
7866 def __WXGTK20__
7867     rect.SetX( colLeft + 1 );
7868     rect.SetY( 1 );
7869     rect.SetWidth( GetColWidth(col) - 2 );
7870     rect.SetHeight( m_colLabelHeight - 2 );
7871
7872     wxWindowDC *win_dc = (wxWindowDC*) &dc;
7873
7874     wxRendererNative::Get().DrawHeaderButton( win_dc->m_owner, dc, rect, 0 );
7875 #else
7876     int colRight = GetColRight(col) - 1;
7877
7878     dc.SetPen( wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW), 1, wxSOLID) );
7879     dc.DrawLine( colRight, 0, colRight, m_colLabelHeight - 1 );
7880     dc.DrawLine( colLeft, 0, colRight, 0 );
7881     dc.DrawLine( colLeft, m_colLabelHeight - 1,
7882                  colRight + 1, m_colLabelHeight - 1 );
7883
7884     dc.SetPen( *wxWHITE_PEN );
7885     dc.DrawLine( colLeft, 1, colLeft, m_colLabelHeight - 1 );
7886     dc.DrawLine( colLeft, 1, colRight, 1 );
7887 #endif
7888
7889     dc.SetBackgroundMode( wxTRANSPARENT );
7890     dc.SetTextForeground( GetLabelTextColour() );
7891     dc.SetFont( GetLabelFont() );
7892
7893     int hAlign, vAlign, orient;
7894     GetColLabelAlignment( &hAlign, &vAlign );
7895     orient = GetColLabelTextOrientation();
7896
7897     rect.SetX( colLeft + 2 );
7898     rect.SetY( 2 );
7899     rect.SetWidth( GetColWidth(col) - 4 );
7900     rect.SetHeight( m_colLabelHeight - 4 );
7901     DrawTextRectangle( dc, GetColLabelValue( col ), rect, hAlign, vAlign, orient );
7902 }
7903
7904 void wxGrid::DrawTextRectangle( wxDC& dc,
7905                                 const wxString& value,
7906                                 const wxRect& rect,
7907                                 int horizAlign,
7908                                 int vertAlign,
7909                                 int textOrientation )
7910 {
7911     wxArrayString lines;
7912
7913     StringToLines( value, lines );
7914
7915     // Forward to new API.
7916     DrawTextRectangle( dc,
7917         lines,
7918         rect,
7919         horizAlign,
7920         vertAlign,
7921         textOrientation );
7922 }
7923
7924 // VZ: this should be replaced with wxDC::DrawLabel() to which we just have to
7925 //     add textOrientation support
7926 void wxGrid::DrawTextRectangle(wxDC& dc,
7927                                const wxArrayString& lines,
7928                                const wxRect& rect,
7929                                int horizAlign,
7930                                int vertAlign,
7931                                int textOrientation)
7932 {
7933     if ( lines.empty() )
7934         return;
7935
7936     wxDCClipper clip(dc, rect);
7937
7938     long textWidth,
7939          textHeight;
7940
7941     if ( textOrientation == wxHORIZONTAL )
7942         GetTextBoxSize( dc, lines, &textWidth, &textHeight );
7943     else
7944         GetTextBoxSize( dc, lines, &textHeight, &textWidth );
7945
7946     int x = 0,
7947         y = 0;
7948     switch ( vertAlign )
7949     {
7950         case wxALIGN_BOTTOM:
7951             if ( textOrientation == wxHORIZONTAL )
7952                 y = rect.y + (rect.height - textHeight - 1);
7953             else
7954                 x = rect.x + rect.width - textWidth;
7955             break;
7956
7957         case wxALIGN_CENTRE:
7958             if ( textOrientation == wxHORIZONTAL )
7959                 y = rect.y + ((rect.height - textHeight) / 2);
7960             else
7961                 x = rect.x + ((rect.width - textWidth) / 2);
7962             break;
7963
7964         case wxALIGN_TOP:
7965         default:
7966             if ( textOrientation == wxHORIZONTAL )
7967                 y = rect.y + 1;
7968             else
7969                 x = rect.x + 1;
7970             break;
7971     }
7972
7973     // Align each line of a multi-line label
7974     size_t nLines = lines.GetCount();
7975     for ( size_t l = 0; l < nLines; l++ )
7976     {
7977         const wxString& line = lines[l];
7978
7979         if ( line.empty() )
7980         {
7981             *(textOrientation == wxHORIZONTAL ? &y : &x) += dc.GetCharHeight();
7982             continue;
7983         }
7984
7985         long lineWidth = 0,
7986              lineHeight = 0;
7987         dc.GetTextExtent(line, &lineWidth, &lineHeight);
7988
7989         switch ( horizAlign )
7990         {
7991             case wxALIGN_RIGHT:
7992                 if ( textOrientation == wxHORIZONTAL )
7993                     x = rect.x + (rect.width - lineWidth - 1);
7994                 else
7995                     y = rect.y + lineWidth + 1;
7996                 break;
7997
7998             case wxALIGN_CENTRE:
7999                 if ( textOrientation == wxHORIZONTAL )
8000                     x = rect.x + ((rect.width - lineWidth) / 2);
8001                 else
8002                     y = rect.y + rect.height - ((rect.height - lineWidth) / 2);
8003                 break;
8004
8005             case wxALIGN_LEFT:
8006             default:
8007                 if ( textOrientation == wxHORIZONTAL )
8008                     x = rect.x + 1;
8009                 else
8010                     y = rect.y + rect.height - 1;
8011                 break;
8012         }
8013
8014         if ( textOrientation == wxHORIZONTAL )
8015         {
8016             dc.DrawText( line, x, y );
8017             y += lineHeight;
8018         }
8019         else
8020         {
8021             dc.DrawRotatedText( line, x, y, 90.0 );
8022             x += lineHeight;
8023         }
8024     }
8025 }
8026
8027 // Split multi-line text up into an array of strings.
8028 // Any existing contents of the string array are preserved.
8029 //
8030 void wxGrid::StringToLines( const wxString& value, wxArrayString& lines )
8031 {
8032     int startPos = 0;
8033     int pos;
8034     wxString eol = wxTextFile::GetEOL( wxTextFileType_Unix );
8035     wxString tVal = wxTextFile::Translate( value, wxTextFileType_Unix );
8036
8037     while ( startPos < (int)tVal.length() )
8038     {
8039         pos = tVal.Mid(startPos).Find( eol );
8040         if ( pos < 0 )
8041         {
8042             break;
8043         }
8044         else if ( pos == 0 )
8045         {
8046             lines.Add( wxEmptyString );
8047         }
8048         else
8049         {
8050             lines.Add( value.Mid(startPos, pos) );
8051         }
8052
8053         startPos += pos + 1;
8054     }
8055
8056     if ( startPos < (int)value.length() )
8057     {
8058         lines.Add( value.Mid( startPos ) );
8059     }
8060 }
8061
8062 void wxGrid::GetTextBoxSize( const wxDC& dc,
8063                              const wxArrayString& lines,
8064                              long *width, long *height )
8065 {
8066     long w = 0;
8067     long h = 0;
8068     long lineW = 0, lineH = 0;
8069
8070     size_t i;
8071     for ( i = 0; i < lines.GetCount(); i++ )
8072     {
8073         dc.GetTextExtent( lines[i], &lineW, &lineH );
8074         w = wxMax( w, lineW );
8075         h += lineH;
8076     }
8077
8078     *width = w;
8079     *height = h;
8080 }
8081
8082 //
8083 // ------ Batch processing.
8084 //
8085 void wxGrid::EndBatch()
8086 {
8087     if ( m_batchCount > 0 )
8088     {
8089         m_batchCount--;
8090         if ( !m_batchCount )
8091         {
8092             CalcDimensions();
8093             m_rowLabelWin->Refresh();
8094             m_colLabelWin->Refresh();
8095             m_cornerLabelWin->Refresh();
8096             m_gridWin->Refresh();
8097         }
8098     }
8099 }
8100
8101 // Use this, rather than wxWindow::Refresh(), to force an immediate
8102 // repainting of the grid. Has no effect if you are already inside a
8103 // BeginBatch / EndBatch block.
8104 //
8105 void wxGrid::ForceRefresh()
8106 {
8107     BeginBatch();
8108     EndBatch();
8109 }
8110
8111 bool wxGrid::Enable(bool enable)
8112 {
8113     if ( !wxScrolledWindow::Enable(enable) )
8114         return false;
8115
8116     // redraw in the new state
8117     m_gridWin->Refresh();
8118
8119     return true;
8120 }
8121
8122 //
8123 // ------ Edit control functions
8124 //
8125
8126 void wxGrid::EnableEditing( bool edit )
8127 {
8128     // TODO: improve this ?
8129     //
8130     if ( edit != m_editable )
8131     {
8132         if (!edit)
8133             EnableCellEditControl(edit);
8134         m_editable = edit;
8135     }
8136 }
8137
8138 void wxGrid::EnableCellEditControl( bool enable )
8139 {
8140     if (! m_editable)
8141         return;
8142
8143     if ( enable != m_cellEditCtrlEnabled )
8144     {
8145         if ( enable )
8146         {
8147             if (SendEvent( wxEVT_GRID_EDITOR_SHOWN) <0)
8148                 return;
8149
8150             // this should be checked by the caller!
8151             wxASSERT_MSG( CanEnableCellControl(), _T("can't enable editing for this cell!") );
8152
8153             // do it before ShowCellEditControl()
8154             m_cellEditCtrlEnabled = enable;
8155
8156             ShowCellEditControl();
8157         }
8158         else
8159         {
8160             //FIXME:add veto support
8161             SendEvent( wxEVT_GRID_EDITOR_HIDDEN );
8162
8163             HideCellEditControl();
8164             SaveEditControlValue();
8165
8166             // do it after HideCellEditControl()
8167             m_cellEditCtrlEnabled = enable;
8168         }
8169     }
8170 }
8171
8172 bool wxGrid::IsCurrentCellReadOnly() const
8173 {
8174     // const_cast
8175     wxGridCellAttr* attr = ((wxGrid *)this)->GetCellAttr(m_currentCellCoords);
8176     bool readonly = attr->IsReadOnly();
8177     attr->DecRef();
8178
8179     return readonly;
8180 }
8181
8182 bool wxGrid::CanEnableCellControl() const
8183 {
8184     return m_editable && (m_currentCellCoords != wxGridNoCellCoords) &&
8185         !IsCurrentCellReadOnly();
8186 }
8187
8188 bool wxGrid::IsCellEditControlEnabled() const
8189 {
8190     // the cell edit control might be disable for all cells or just for the
8191     // current one if it's read only
8192     return m_cellEditCtrlEnabled ? !IsCurrentCellReadOnly() : false;
8193 }
8194
8195 bool wxGrid::IsCellEditControlShown() const
8196 {
8197     bool isShown = false;
8198
8199     if ( m_cellEditCtrlEnabled )
8200     {
8201         int row = m_currentCellCoords.GetRow();
8202         int col = m_currentCellCoords.GetCol();
8203         wxGridCellAttr* attr = GetCellAttr(row, col);
8204         wxGridCellEditor* editor = attr->GetEditor((wxGrid*) this, row, col);
8205         attr->DecRef();
8206
8207         if ( editor )
8208         {
8209             if ( editor->IsCreated() )
8210             {
8211                 isShown = editor->GetControl()->IsShown();
8212             }
8213
8214             editor->DecRef();
8215         }
8216     }
8217
8218     return isShown;
8219 }
8220
8221 void wxGrid::ShowCellEditControl()
8222 {
8223     if ( IsCellEditControlEnabled() )
8224     {
8225         if ( !IsVisible( m_currentCellCoords, false ) )
8226         {
8227             m_cellEditCtrlEnabled = false;
8228             return;
8229         }
8230         else
8231         {
8232             wxRect rect = CellToRect( m_currentCellCoords );
8233             int row = m_currentCellCoords.GetRow();
8234             int col = m_currentCellCoords.GetCol();
8235
8236             // if this is part of a multicell, find owner (topleft)
8237             int cell_rows, cell_cols;
8238             GetCellSize( row, col, &cell_rows, &cell_cols );
8239             if ( cell_rows <= 0 || cell_cols <= 0 )
8240             {
8241                 row += cell_rows;
8242                 col += cell_cols;
8243                 m_currentCellCoords.SetRow( row );
8244                 m_currentCellCoords.SetCol( col );
8245             }
8246
8247             // erase the highlight and the cell contents because the editor
8248             // might not cover the entire cell
8249             wxClientDC dc( m_gridWin );
8250             PrepareDC( dc );
8251             dc.SetBrush(wxBrush(GetCellAttr(row, col)->GetBackgroundColour(), wxSOLID));
8252             dc.SetPen(*wxTRANSPARENT_PEN);
8253             dc.DrawRectangle(rect);
8254
8255             // convert to scrolled coords
8256             CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
8257
8258             int nXMove = 0;
8259             if (rect.x < 0)
8260                 nXMove = rect.x;
8261
8262             // cell is shifted by one pixel
8263             // However, don't allow x or y to become negative
8264             // since the SetSize() method interprets that as
8265             // "don't change."
8266             if (rect.x > 0)
8267                 rect.x--;
8268             if (rect.y > 0)
8269                 rect.y--;
8270
8271             wxGridCellAttr* attr = GetCellAttr(row, col);
8272             wxGridCellEditor* editor = attr->GetEditor(this, row, col);
8273             if ( !editor->IsCreated() )
8274             {
8275                 editor->Create(m_gridWin, wxID_ANY,
8276                                new wxGridCellEditorEvtHandler(this, editor));
8277
8278                 wxGridEditorCreatedEvent evt(GetId(),
8279                                              wxEVT_GRID_EDITOR_CREATED,
8280                                              this,
8281                                              row,
8282                                              col,
8283                                              editor->GetControl());
8284                 GetEventHandler()->ProcessEvent(evt);
8285             }
8286
8287             // resize editor to overflow into righthand cells if allowed
8288             int maxWidth = rect.width;
8289             wxString value = GetCellValue(row, col);
8290             if ( (value != wxEmptyString) && (attr->GetOverflow()) )
8291             {
8292                 int y;
8293                 GetTextExtent(value, &maxWidth, &y, NULL, NULL, &attr->GetFont());
8294                 if (maxWidth < rect.width)
8295                     maxWidth = rect.width;
8296             }
8297
8298             int client_right = m_gridWin->GetClientSize().GetWidth();
8299             if (rect.x + maxWidth > client_right)
8300                 maxWidth = client_right - rect.x;
8301
8302             if ((maxWidth > rect.width) && (col < m_numCols) && m_table)
8303             {
8304                 GetCellSize( row, col, &cell_rows, &cell_cols );
8305                 // may have changed earlier
8306                 for (int i = col + cell_cols; i < m_numCols; i++)
8307                 {
8308                     int c_rows, c_cols;
8309                     GetCellSize( row, i, &c_rows, &c_cols );
8310
8311                     // looks weird going over a multicell
8312                     if (m_table->IsEmptyCell( row, i ) &&
8313                             (rect.width < maxWidth) && (c_rows == 1))
8314                     {
8315                         rect.width += GetColWidth( i );
8316                     }
8317                     else
8318                         break;
8319                 }
8320
8321                 if (rect.GetRight() > client_right)
8322                     rect.SetRight( client_right - 1 );
8323             }
8324
8325             editor->SetCellAttr( attr );
8326             editor->SetSize( rect );
8327             if (nXMove != 0)
8328                 editor->GetControl()->Move(
8329                     editor->GetControl()->GetPosition().x + nXMove,
8330                     editor->GetControl()->GetPosition().y );
8331             editor->Show( true, attr );
8332
8333             // recalc dimensions in case we need to
8334             // expand the scrolled window to account for editor
8335             CalcDimensions();
8336
8337             editor->BeginEdit(row, col, this);
8338             editor->SetCellAttr(NULL);
8339
8340             editor->DecRef();
8341             attr->DecRef();
8342         }
8343     }
8344 }
8345
8346 void wxGrid::HideCellEditControl()
8347 {
8348     if ( IsCellEditControlEnabled() )
8349     {
8350         int row = m_currentCellCoords.GetRow();
8351         int col = m_currentCellCoords.GetCol();
8352
8353         wxGridCellAttr *attr = GetCellAttr(row, col);
8354         wxGridCellEditor *editor = attr->GetEditor(this, row, col);
8355         editor->Show( false );
8356         editor->DecRef();
8357         attr->DecRef();
8358
8359         m_gridWin->SetFocus();
8360
8361         // refresh whole row to the right
8362         wxRect rect( CellToRect(row, col) );
8363         CalcScrolledPosition(rect.x, rect.y, &rect.x, &rect.y );
8364         rect.width = m_gridWin->GetClientSize().GetWidth() - rect.x;
8365
8366 #ifdef __WXMAC__
8367         // ensure that the pixels under the focus ring get refreshed as well
8368         rect.Inflate(10, 10);
8369 #endif
8370
8371         m_gridWin->Refresh( false, &rect );
8372     }
8373 }
8374
8375 void wxGrid::SaveEditControlValue()
8376 {
8377     if ( IsCellEditControlEnabled() )
8378     {
8379         int row = m_currentCellCoords.GetRow();
8380         int col = m_currentCellCoords.GetCol();
8381
8382         wxString oldval = GetCellValue(row, col);
8383
8384         wxGridCellAttr* attr = GetCellAttr(row, col);
8385         wxGridCellEditor* editor = attr->GetEditor(this, row, col);
8386         bool changed = editor->EndEdit(row, col, this);
8387
8388         editor->DecRef();
8389         attr->DecRef();
8390
8391         if (changed)
8392         {
8393             if ( SendEvent( wxEVT_GRID_CELL_CHANGE,
8394                        m_currentCellCoords.GetRow(),
8395                        m_currentCellCoords.GetCol() ) < 0 )
8396             {
8397                 // Event has been vetoed, set the data back.
8398                 SetCellValue(row, col, oldval);
8399             }
8400         }
8401     }
8402 }
8403
8404 //
8405 // ------ Grid location functions
8406 //  Note that all of these functions work with the logical coordinates of
8407 //  grid cells and labels so you will need to convert from device
8408 //  coordinates for mouse events etc.
8409 //
8410
8411 void wxGrid::XYToCell( int x, int y, wxGridCellCoords& coords )
8412 {
8413     int row = YToRow(y);
8414     int col = XToCol(x);
8415
8416     if ( row == -1 || col == -1 )
8417     {
8418         coords = wxGridNoCellCoords;
8419     }
8420     else
8421     {
8422         coords.Set( row, col );
8423     }
8424 }
8425
8426 // Internal Helper function for computing row or column from some
8427 // (unscrolled) coordinate value, using either
8428 // m_defaultRowHeight/m_defaultColWidth or binary search on array
8429 // of m_rowBottoms/m_ColRights to speed up the search!
8430
8431 static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
8432                            const wxArrayInt& BorderArray, int nMax,
8433                            bool clipToMinMax)
8434 {
8435     if (coord < 0)
8436         return clipToMinMax && (nMax > 0) ? 0 : -1;
8437
8438     if (!defaultDist)
8439         defaultDist = 1;
8440
8441     size_t i_max = coord / defaultDist,
8442            i_min = 0;
8443
8444     if (BorderArray.IsEmpty())
8445     {
8446         if ((int) i_max < nMax)
8447             return i_max;
8448         return clipToMinMax ? nMax - 1 : -1;
8449     }
8450
8451     if ( i_max >= BorderArray.GetCount())
8452     {
8453         i_max = BorderArray.GetCount() - 1;
8454     }
8455     else
8456     {
8457         if ( coord >= BorderArray[i_max])
8458         {
8459             i_min = i_max;
8460             if (minDist)
8461                 i_max = coord / minDist;
8462             else
8463                 i_max =  BorderArray.GetCount() - 1;
8464         }
8465
8466         if ( i_max >= BorderArray.GetCount())
8467             i_max = BorderArray.GetCount() - 1;
8468     }
8469
8470     if ( coord >= BorderArray[i_max])
8471         return clipToMinMax ? (int)i_max : -1;
8472     if ( coord < BorderArray[0] )
8473         return 0;
8474
8475     while ( i_max - i_min > 0 )
8476     {
8477         wxCHECK_MSG(BorderArray[i_min] <= coord && coord < BorderArray[i_max],
8478                     0, _T("wxGrid: internal error in CoordToRowOrCol"));
8479         if (coord >=  BorderArray[ i_max - 1])
8480             return i_max;
8481         else
8482             i_max--;
8483         int median = i_min + (i_max - i_min + 1) / 2;
8484         if (coord < BorderArray[median])
8485             i_max = median;
8486         else
8487             i_min = median;
8488     }
8489
8490     return i_max;
8491 }
8492
8493 int wxGrid::YToRow( int y )
8494 {
8495     return CoordToRowOrCol(y, m_defaultRowHeight,
8496                            m_minAcceptableRowHeight, m_rowBottoms, m_numRows, false);
8497 }
8498
8499 int wxGrid::XToCol( int x, bool clipToMinMax )
8500 {
8501     if (x < 0)
8502         return clipToMinMax && (m_numCols > 0) ? GetColAt( 0 ) : -1;
8503
8504     if (!m_defaultColWidth)
8505         m_defaultColWidth = 1;
8506
8507     int maxPos = x / m_defaultColWidth;
8508     int minPos = 0;
8509
8510     if (m_colRights.IsEmpty())
8511     {
8512         if(maxPos < m_numCols)
8513             return GetColAt( maxPos );
8514         return clipToMinMax ? GetColAt( m_numCols - 1 ) : -1;
8515     }
8516
8517     if ( maxPos >= m_numCols)
8518         maxPos = m_numCols - 1;
8519     else
8520     {
8521         if ( x >= m_colRights[GetColAt( maxPos )])
8522         {
8523             minPos = maxPos;
8524             if (m_minAcceptableColWidth)
8525                 maxPos = x / m_minAcceptableColWidth;
8526             else
8527                 maxPos =  m_numCols - 1;
8528         }
8529         if ( maxPos >= m_numCols)
8530             maxPos = m_numCols - 1;
8531     }
8532
8533     //X is beyond the last column
8534     if ( x >= m_colRights[GetColAt( maxPos )])
8535         return clipToMinMax ? GetColAt( maxPos ) : -1;
8536
8537     //X is before the first column
8538     if ( x < m_colRights[GetColAt( 0 )] )
8539         return GetColAt( 0 );
8540
8541     //Perform a binary search
8542     while ( maxPos - minPos > 0 )
8543     {
8544         wxCHECK_MSG(m_colRights[GetColAt( minPos )] <= x && x < m_colRights[GetColAt( maxPos )],
8545                     0, _T("wxGrid: internal error in XToCol"));
8546
8547         if (x >=  m_colRights[GetColAt( maxPos - 1 )])
8548             return GetColAt( maxPos );
8549         else
8550             maxPos--;
8551         int median = minPos + (maxPos - minPos + 1) / 2;
8552         if (x < m_colRights[GetColAt( median )])
8553             maxPos = median;
8554         else
8555             minPos = median;
8556     }
8557     return GetColAt( maxPos );
8558 }
8559
8560 // return the row number that that the y coord is near
8561 //  the edge of, or -1 if not near an edge.
8562 // coords can only possibly be near an edge if
8563 //    (a) the row/column is large enough to still allow for an "inner" area
8564 //        that is _not_ nead the edge (i.e., if the height/width is smaller
8565 //        than WXGRID_LABEL_EDGE_ZONE, coords are _never_ considered to be
8566 //        near the edge).
8567 //   and
8568 //    (b) resizing rows/columns (the thing for which edge detection is
8569 //        relevant at all) is enabled.
8570 //
8571 int wxGrid::YToEdgeOfRow( int y )
8572 {
8573     int i;
8574     i = internalYToRow(y);
8575
8576     if ( GetRowHeight(i) > WXGRID_LABEL_EDGE_ZONE && CanDragRowSize() )
8577     {
8578         // We know that we are in row i, test whether we are
8579         // close enough to lower or upper border, respectively.
8580         if ( abs(GetRowBottom(i) - y) < WXGRID_LABEL_EDGE_ZONE )
8581             return i;
8582         else if ( i > 0 && y - GetRowTop(i) < WXGRID_LABEL_EDGE_ZONE )
8583             return i - 1;
8584     }
8585
8586     return -1;
8587 }
8588
8589 // return the col number that that the x coord is near the edge of, or
8590 // -1 if not near an edge
8591 // See comment at YToEdgeOfRow for conditions on edge detection.
8592 //
8593 int wxGrid::XToEdgeOfCol( int x )
8594 {
8595     int i;
8596     i = internalXToCol(x);
8597
8598     if ( GetColWidth(i) > WXGRID_LABEL_EDGE_ZONE && CanDragColSize() )
8599     {
8600         // We know that we are in column i; test whether we are
8601         // close enough to right or left border, respectively.
8602         if ( abs(GetColRight(i) - x) < WXGRID_LABEL_EDGE_ZONE )
8603             return i;
8604         else if ( i > 0 && x - GetColLeft(i) < WXGRID_LABEL_EDGE_ZONE )
8605             return i - 1;
8606     }
8607
8608     return -1;
8609 }
8610
8611 wxRect wxGrid::CellToRect( int row, int col )
8612 {
8613     wxRect rect( -1, -1, -1, -1 );
8614
8615     if ( row >= 0 && row < m_numRows &&
8616          col >= 0 && col < m_numCols )
8617     {
8618         int i, cell_rows, cell_cols;
8619         rect.width = rect.height = 0;
8620         GetCellSize( row, col, &cell_rows, &cell_cols );
8621         // if negative then find multicell owner
8622         if (cell_rows < 0)
8623             row += cell_rows;
8624         if (cell_cols < 0)
8625              col += cell_cols;
8626         GetCellSize( row, col, &cell_rows, &cell_cols );
8627
8628         rect.x = GetColLeft(col);
8629         rect.y = GetRowTop(row);
8630         for (i=col; i < col + cell_cols; i++)
8631             rect.width += GetColWidth(i);
8632         for (i=row; i < row + cell_rows; i++)
8633             rect.height += GetRowHeight(i);
8634     }
8635
8636     // if grid lines are enabled, then the area of the cell is a bit smaller
8637     if (m_gridLinesEnabled)
8638     {
8639         rect.width -= 1;
8640         rect.height -= 1;
8641     }
8642
8643     return rect;
8644 }
8645
8646 bool wxGrid::IsVisible( int row, int col, bool wholeCellVisible )
8647 {
8648     // get the cell rectangle in logical coords
8649     //
8650     wxRect r( CellToRect( row, col ) );
8651
8652     // convert to device coords
8653     //
8654     int left, top, right, bottom;
8655     CalcScrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
8656     CalcScrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
8657
8658     // check against the client area of the grid window
8659     int cw, ch;
8660     m_gridWin->GetClientSize( &cw, &ch );
8661
8662     if ( wholeCellVisible )
8663     {
8664         // is the cell wholly visible ?
8665         return ( left >= 0 && right <= cw &&
8666                  top >= 0 && bottom <= ch );
8667     }
8668     else
8669     {
8670         // is the cell partly visible ?
8671         //
8672         return ( ((left >= 0 && left < cw) || (right > 0 && right <= cw)) &&
8673                  ((top >= 0 && top < ch) || (bottom > 0 && bottom <= ch)) );
8674     }
8675 }
8676
8677 // make the specified cell location visible by doing a minimal amount
8678 // of scrolling
8679 //
8680 void wxGrid::MakeCellVisible( int row, int col )
8681 {
8682     int i;
8683     int xpos = -1, ypos = -1;
8684
8685     if ( row >= 0 && row < m_numRows &&
8686          col >= 0 && col < m_numCols )
8687     {
8688         // get the cell rectangle in logical coords
8689         wxRect r( CellToRect( row, col ) );
8690
8691         // convert to device coords
8692         int left, top, right, bottom;
8693         CalcScrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
8694         CalcScrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
8695
8696         int cw, ch;
8697         m_gridWin->GetClientSize( &cw, &ch );
8698
8699         if ( top < 0 )
8700         {
8701             ypos = r.GetTop();
8702         }
8703         else if ( bottom > ch )
8704         {
8705             int h = r.GetHeight();
8706             ypos = r.GetTop();
8707             for ( i = row - 1; i >= 0; i-- )
8708             {
8709                 int rowHeight = GetRowHeight(i);
8710                 if ( h + rowHeight > ch )
8711                     break;
8712
8713                 h += rowHeight;
8714                 ypos -= rowHeight;
8715             }
8716
8717             // we divide it later by GRID_SCROLL_LINE, make sure that we don't
8718             // have rounding errors (this is important, because if we do,
8719             // we might not scroll at all and some cells won't be redrawn)
8720             //
8721             // Sometimes GRID_SCROLL_LINE / 2 is not enough,
8722             // so just add a full scroll unit...
8723             ypos += m_scrollLineY;
8724         }
8725
8726         // special handling for wide cells - show always left part of the cell!
8727         // Otherwise, e.g. when stepping from row to row, it would jump between
8728         // left and right part of the cell on every step!
8729 //      if ( left < 0 )
8730         if ( left < 0 || (right - left) >= cw )
8731         {
8732             xpos = r.GetLeft();
8733         }
8734         else if ( right > cw )
8735         {
8736             // position the view so that the cell is on the right
8737             int x0, y0;
8738             CalcUnscrolledPosition(0, 0, &x0, &y0);
8739             xpos = x0 + (right - cw);
8740
8741             // see comment for ypos above
8742             xpos += m_scrollLineX;
8743         }
8744
8745         if ( xpos != -1 || ypos != -1 )
8746         {
8747             if ( xpos != -1 )
8748                 xpos /= m_scrollLineX;
8749             if ( ypos != -1 )
8750                 ypos /= m_scrollLineY;
8751             Scroll( xpos, ypos );
8752             AdjustScrollbars();
8753         }
8754     }
8755 }
8756
8757 //
8758 // ------ Grid cursor movement functions
8759 //
8760
8761 bool wxGrid::MoveCursorUp( bool expandSelection )
8762 {
8763     if ( m_currentCellCoords != wxGridNoCellCoords &&
8764          m_currentCellCoords.GetRow() >= 0 )
8765     {
8766         if ( expandSelection )
8767         {
8768             if ( m_selectingKeyboard == wxGridNoCellCoords )
8769                 m_selectingKeyboard = m_currentCellCoords;
8770             if ( m_selectingKeyboard.GetRow() > 0 )
8771             {
8772                 m_selectingKeyboard.SetRow( m_selectingKeyboard.GetRow() - 1 );
8773                 MakeCellVisible( m_selectingKeyboard.GetRow(),
8774                                  m_selectingKeyboard.GetCol() );
8775                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
8776             }
8777         }
8778         else if ( m_currentCellCoords.GetRow() > 0 )
8779         {
8780             int row = m_currentCellCoords.GetRow() - 1;
8781             int col = m_currentCellCoords.GetCol();
8782             ClearSelection();
8783             MakeCellVisible( row, col );
8784             SetCurrentCell( row, col );
8785         }
8786         else
8787             return false;
8788
8789         return true;
8790     }
8791
8792     return false;
8793 }
8794
8795 bool wxGrid::MoveCursorDown( bool expandSelection )
8796 {
8797     if ( m_currentCellCoords != wxGridNoCellCoords &&
8798          m_currentCellCoords.GetRow() < m_numRows )
8799     {
8800         if ( expandSelection )
8801         {
8802             if ( m_selectingKeyboard == wxGridNoCellCoords )
8803                 m_selectingKeyboard = m_currentCellCoords;
8804             if ( m_selectingKeyboard.GetRow() < m_numRows - 1 )
8805             {
8806                 m_selectingKeyboard.SetRow( m_selectingKeyboard.GetRow() + 1 );
8807                 MakeCellVisible( m_selectingKeyboard.GetRow(),
8808                         m_selectingKeyboard.GetCol() );
8809                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
8810             }
8811         }
8812         else if ( m_currentCellCoords.GetRow() < m_numRows - 1 )
8813         {
8814             int row = m_currentCellCoords.GetRow() + 1;
8815             int col = m_currentCellCoords.GetCol();
8816             ClearSelection();
8817             MakeCellVisible( row, col );
8818             SetCurrentCell( row, col );
8819         }
8820         else
8821             return false;
8822
8823         return true;
8824     }
8825
8826     return false;
8827 }
8828
8829 bool wxGrid::MoveCursorLeft( bool expandSelection )
8830 {
8831     if ( m_currentCellCoords != wxGridNoCellCoords &&
8832          m_currentCellCoords.GetCol() >= 0 )
8833     {
8834         if ( expandSelection )
8835         {
8836             if ( m_selectingKeyboard == wxGridNoCellCoords )
8837                 m_selectingKeyboard = m_currentCellCoords;
8838             if ( m_selectingKeyboard.GetCol() > 0 )
8839             {
8840                 m_selectingKeyboard.SetCol( m_selectingKeyboard.GetCol() - 1 );
8841                 MakeCellVisible( m_selectingKeyboard.GetRow(),
8842                         m_selectingKeyboard.GetCol() );
8843                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
8844             }
8845         }
8846         else if ( GetColPos( m_currentCellCoords.GetCol() ) > 0 )
8847         {
8848             int row = m_currentCellCoords.GetRow();
8849             int col = GetColAt( GetColPos( m_currentCellCoords.GetCol() ) - 1 );
8850             ClearSelection();
8851
8852             MakeCellVisible( row, col );
8853             SetCurrentCell( row, col );
8854         }
8855         else
8856             return false;
8857
8858         return true;
8859     }
8860
8861     return false;
8862 }
8863
8864 bool wxGrid::MoveCursorRight( bool expandSelection )
8865 {
8866     if ( m_currentCellCoords != wxGridNoCellCoords &&
8867          m_currentCellCoords.GetCol() < m_numCols )
8868     {
8869         if ( expandSelection )
8870         {
8871             if ( m_selectingKeyboard == wxGridNoCellCoords )
8872                 m_selectingKeyboard = m_currentCellCoords;
8873             if ( m_selectingKeyboard.GetCol() < m_numCols - 1 )
8874             {
8875                 m_selectingKeyboard.SetCol( m_selectingKeyboard.GetCol() + 1 );
8876                 MakeCellVisible( m_selectingKeyboard.GetRow(),
8877                         m_selectingKeyboard.GetCol() );
8878                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
8879             }
8880         }
8881         else if ( GetColPos( m_currentCellCoords.GetCol() ) < m_numCols - 1 )
8882         {
8883             int row = m_currentCellCoords.GetRow();
8884             int col = GetColAt( GetColPos( m_currentCellCoords.GetCol() ) + 1 );
8885             ClearSelection();
8886
8887             MakeCellVisible( row, col );
8888             SetCurrentCell( row, col );
8889         }
8890         else
8891             return false;
8892
8893         return true;
8894     }
8895
8896     return false;
8897 }
8898
8899 bool wxGrid::MovePageUp()
8900 {
8901     if ( m_currentCellCoords == wxGridNoCellCoords )
8902         return false;
8903
8904     int row = m_currentCellCoords.GetRow();
8905     if ( row > 0 )
8906     {
8907         int cw, ch;
8908         m_gridWin->GetClientSize( &cw, &ch );
8909
8910         int y = GetRowTop(row);
8911         int newRow = internalYToRow( y - ch + 1 );
8912
8913         if ( newRow == row )
8914         {
8915             // row > 0, so newRow can never be less than 0 here.
8916             newRow = row - 1;
8917         }
8918
8919         MakeCellVisible( newRow, m_currentCellCoords.GetCol() );
8920         SetCurrentCell( newRow, m_currentCellCoords.GetCol() );
8921
8922         return true;
8923     }
8924
8925     return false;
8926 }
8927
8928 bool wxGrid::MovePageDown()
8929 {
8930     if ( m_currentCellCoords == wxGridNoCellCoords )
8931         return false;
8932
8933     int row = m_currentCellCoords.GetRow();
8934     if ( (row + 1) < m_numRows )
8935     {
8936         int cw, ch;
8937         m_gridWin->GetClientSize( &cw, &ch );
8938
8939         int y = GetRowTop(row);
8940         int newRow = internalYToRow( y + ch );
8941         if ( newRow == row )
8942         {
8943             // row < m_numRows, so newRow can't overflow here.
8944             newRow = row + 1;
8945         }
8946
8947         MakeCellVisible( newRow, m_currentCellCoords.GetCol() );
8948         SetCurrentCell( newRow, m_currentCellCoords.GetCol() );
8949
8950         return true;
8951     }
8952
8953     return false;
8954 }
8955
8956 bool wxGrid::MoveCursorUpBlock( bool expandSelection )
8957 {
8958     if ( m_table &&
8959          m_currentCellCoords != wxGridNoCellCoords &&
8960          m_currentCellCoords.GetRow() > 0 )
8961     {
8962         int row = m_currentCellCoords.GetRow();
8963         int col = m_currentCellCoords.GetCol();
8964
8965         if ( m_table->IsEmptyCell(row, col) )
8966         {
8967             // starting in an empty cell: find the next block of
8968             // non-empty cells
8969             //
8970             while ( row > 0 )
8971             {
8972                 row--;
8973                 if ( !(m_table->IsEmptyCell(row, col)) )
8974                     break;
8975             }
8976         }
8977         else if ( m_table->IsEmptyCell(row - 1, col) )
8978         {
8979             // starting at the top of a block: find the next block
8980             //
8981             row--;
8982             while ( row > 0 )
8983             {
8984                 row--;
8985                 if ( !(m_table->IsEmptyCell(row, col)) )
8986                     break;
8987             }
8988         }
8989         else
8990         {
8991             // starting within a block: find the top of the block
8992             //
8993             while ( row > 0 )
8994             {
8995                 row--;
8996                 if ( m_table->IsEmptyCell(row, col) )
8997                 {
8998                     row++;
8999                     break;
9000                 }
9001             }
9002         }
9003
9004         MakeCellVisible( row, col );
9005         if ( expandSelection )
9006         {
9007             m_selectingKeyboard = wxGridCellCoords( row, col );
9008             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
9009         }
9010         else
9011         {
9012             ClearSelection();
9013             SetCurrentCell( row, col );
9014         }
9015
9016         return true;
9017     }
9018
9019     return false;
9020 }
9021
9022 bool wxGrid::MoveCursorDownBlock( bool expandSelection )
9023 {
9024     if ( m_table &&
9025          m_currentCellCoords != wxGridNoCellCoords &&
9026          m_currentCellCoords.GetRow() < m_numRows - 1 )
9027     {
9028         int row = m_currentCellCoords.GetRow();
9029         int col = m_currentCellCoords.GetCol();
9030
9031         if ( m_table->IsEmptyCell(row, col) )
9032         {
9033             // starting in an empty cell: find the next block of
9034             // non-empty cells
9035             //
9036             while ( row < m_numRows - 1 )
9037             {
9038                 row++;
9039                 if ( !(m_table->IsEmptyCell(row, col)) )
9040                     break;
9041             }
9042         }
9043         else if ( m_table->IsEmptyCell(row + 1, col) )
9044         {
9045             // starting at the bottom of a block: find the next block
9046             //
9047             row++;
9048             while ( row < m_numRows - 1 )
9049             {
9050                 row++;
9051                 if ( !(m_table->IsEmptyCell(row, col)) )
9052                     break;
9053             }
9054         }
9055         else
9056         {
9057             // starting within a block: find the bottom of the block
9058             //
9059             while ( row < m_numRows - 1 )
9060             {
9061                 row++;
9062                 if ( m_table->IsEmptyCell(row, col) )
9063                 {
9064                     row--;
9065                     break;
9066                 }
9067             }
9068         }
9069
9070         MakeCellVisible( row, col );
9071         if ( expandSelection )
9072         {
9073             m_selectingKeyboard = wxGridCellCoords( row, col );
9074             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
9075         }
9076         else
9077         {
9078             ClearSelection();
9079             SetCurrentCell( row, col );
9080         }
9081
9082         return true;
9083     }
9084
9085     return false;
9086 }
9087
9088 bool wxGrid::MoveCursorLeftBlock( bool expandSelection )
9089 {
9090     if ( m_table &&
9091          m_currentCellCoords != wxGridNoCellCoords &&
9092          m_currentCellCoords.GetCol() > 0 )
9093     {
9094         int row = m_currentCellCoords.GetRow();
9095         int col = m_currentCellCoords.GetCol();
9096
9097         if ( m_table->IsEmptyCell(row, col) )
9098         {
9099             // starting in an empty cell: find the next block of
9100             // non-empty cells
9101             //
9102             while ( col > 0 )
9103             {
9104                 col--;
9105                 if ( !(m_table->IsEmptyCell(row, col)) )
9106                     break;
9107             }
9108         }
9109         else if ( m_table->IsEmptyCell(row, col - 1) )
9110         {
9111             // starting at the left of a block: find the next block
9112             //
9113             col--;
9114             while ( col > 0 )
9115             {
9116                 col--;
9117                 if ( !(m_table->IsEmptyCell(row, col)) )
9118                     break;
9119             }
9120         }
9121         else
9122         {
9123             // starting within a block: find the left of the block
9124             //
9125             while ( col > 0 )
9126             {
9127                 col--;
9128                 if ( m_table->IsEmptyCell(row, col) )
9129                 {
9130                     col++;
9131                     break;
9132                 }
9133             }
9134         }
9135
9136         MakeCellVisible( row, col );
9137         if ( expandSelection )
9138         {
9139             m_selectingKeyboard = wxGridCellCoords( row, col );
9140             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
9141         }
9142         else
9143         {
9144             ClearSelection();
9145             SetCurrentCell( row, col );
9146         }
9147
9148         return true;
9149     }
9150
9151     return false;
9152 }
9153
9154 bool wxGrid::MoveCursorRightBlock( bool expandSelection )
9155 {
9156     if ( m_table &&
9157          m_currentCellCoords != wxGridNoCellCoords &&
9158          m_currentCellCoords.GetCol() < m_numCols - 1 )
9159     {
9160         int row = m_currentCellCoords.GetRow();
9161         int col = m_currentCellCoords.GetCol();
9162
9163         if ( m_table->IsEmptyCell(row, col) )
9164         {
9165             // starting in an empty cell: find the next block of
9166             // non-empty cells
9167             //
9168             while ( col < m_numCols - 1 )
9169             {
9170                 col++;
9171                 if ( !(m_table->IsEmptyCell(row, col)) )
9172                     break;
9173             }
9174         }
9175         else if ( m_table->IsEmptyCell(row, col + 1) )
9176         {
9177             // starting at the right of a block: find the next block
9178             //
9179             col++;
9180             while ( col < m_numCols - 1 )
9181             {
9182                 col++;
9183                 if ( !(m_table->IsEmptyCell(row, col)) )
9184                     break;
9185             }
9186         }
9187         else
9188         {
9189             // starting within a block: find the right of the block
9190             //
9191             while ( col < m_numCols - 1 )
9192             {
9193                 col++;
9194                 if ( m_table->IsEmptyCell(row, col) )
9195                 {
9196                     col--;
9197                     break;
9198                 }
9199             }
9200         }
9201
9202         MakeCellVisible( row, col );
9203         if ( expandSelection )
9204         {
9205             m_selectingKeyboard = wxGridCellCoords( row, col );
9206             HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
9207         }
9208         else
9209         {
9210             ClearSelection();
9211             SetCurrentCell( row, col );
9212         }
9213
9214         return true;
9215     }
9216
9217     return false;
9218 }
9219
9220 //
9221 // ------ Label values and formatting
9222 //
9223
9224 void wxGrid::GetRowLabelAlignment( int *horiz, int *vert )
9225 {
9226     if ( horiz )
9227         *horiz = m_rowLabelHorizAlign;
9228     if ( vert )
9229         *vert  = m_rowLabelVertAlign;
9230 }
9231
9232 void wxGrid::GetColLabelAlignment( int *horiz, int *vert )
9233 {
9234     if ( horiz )
9235         *horiz = m_colLabelHorizAlign;
9236     if ( vert )
9237         *vert  = m_colLabelVertAlign;
9238 }
9239
9240 int wxGrid::GetColLabelTextOrientation()
9241 {
9242     return m_colLabelTextOrientation;
9243 }
9244
9245 wxString wxGrid::GetRowLabelValue( int row )
9246 {
9247     if ( m_table )
9248     {
9249         return m_table->GetRowLabelValue( row );
9250     }
9251     else
9252     {
9253         wxString s;
9254         s << row;
9255         return s;
9256     }
9257 }
9258
9259 wxString wxGrid::GetColLabelValue( int col )
9260 {
9261     if ( m_table )
9262     {
9263         return m_table->GetColLabelValue( col );
9264     }
9265     else
9266     {
9267         wxString s;
9268         s << col;
9269         return s;
9270     }
9271 }
9272
9273 void wxGrid::SetRowLabelSize( int width )
9274 {
9275     width = wxMax( width, 0 );
9276     if ( width != m_rowLabelWidth )
9277     {
9278         if ( width == 0 )
9279         {
9280             m_rowLabelWin->Show( false );
9281             m_cornerLabelWin->Show( false );
9282         }
9283         else if ( m_rowLabelWidth == 0 )
9284         {
9285             m_rowLabelWin->Show( true );
9286             if ( m_colLabelHeight > 0 )
9287                 m_cornerLabelWin->Show( true );
9288         }
9289
9290         m_rowLabelWidth = width;
9291         CalcWindowSizes();
9292         wxScrolledWindow::Refresh( true );
9293     }
9294 }
9295
9296 void wxGrid::SetColLabelSize( int height )
9297 {
9298     height = wxMax( height, 0 );
9299     if ( height != m_colLabelHeight )
9300     {
9301         if ( height == 0 )
9302         {
9303             m_colLabelWin->Show( false );
9304             m_cornerLabelWin->Show( false );
9305         }
9306         else if ( m_colLabelHeight == 0 )
9307         {
9308             m_colLabelWin->Show( true );
9309             if ( m_rowLabelWidth > 0 )
9310                 m_cornerLabelWin->Show( true );
9311         }
9312
9313         m_colLabelHeight = height;
9314         CalcWindowSizes();
9315         wxScrolledWindow::Refresh( true );
9316     }
9317 }
9318
9319 void wxGrid::SetLabelBackgroundColour( const wxColour& colour )
9320 {
9321     if ( m_labelBackgroundColour != colour )
9322     {
9323         m_labelBackgroundColour = colour;
9324         m_rowLabelWin->SetBackgroundColour( colour );
9325         m_colLabelWin->SetBackgroundColour( colour );
9326         m_cornerLabelWin->SetBackgroundColour( colour );
9327
9328         if ( !GetBatchCount() )
9329         {
9330             m_rowLabelWin->Refresh();
9331             m_colLabelWin->Refresh();
9332             m_cornerLabelWin->Refresh();
9333         }
9334     }
9335 }
9336
9337 void wxGrid::SetLabelTextColour( const wxColour& colour )
9338 {
9339     if ( m_labelTextColour != colour )
9340     {
9341         m_labelTextColour = colour;
9342         if ( !GetBatchCount() )
9343         {
9344             m_rowLabelWin->Refresh();
9345             m_colLabelWin->Refresh();
9346         }
9347     }
9348 }
9349
9350 void wxGrid::SetLabelFont( const wxFont& font )
9351 {
9352     m_labelFont = font;
9353     if ( !GetBatchCount() )
9354     {
9355         m_rowLabelWin->Refresh();
9356         m_colLabelWin->Refresh();
9357     }
9358 }
9359
9360 void wxGrid::SetRowLabelAlignment( int horiz, int vert )
9361 {
9362     // allow old (incorrect) defs to be used
9363     switch ( horiz )
9364     {
9365         case wxLEFT:   horiz = wxALIGN_LEFT; break;
9366         case wxRIGHT:  horiz = wxALIGN_RIGHT; break;
9367         case wxCENTRE: horiz = wxALIGN_CENTRE; break;
9368     }
9369
9370     switch ( vert )
9371     {
9372         case wxTOP:    vert = wxALIGN_TOP;    break;
9373         case wxBOTTOM: vert = wxALIGN_BOTTOM; break;
9374         case wxCENTRE: vert = wxALIGN_CENTRE; break;
9375     }
9376
9377     if ( horiz == wxALIGN_LEFT || horiz == wxALIGN_CENTRE || horiz == wxALIGN_RIGHT )
9378     {
9379         m_rowLabelHorizAlign = horiz;
9380     }
9381
9382     if ( vert == wxALIGN_TOP || vert == wxALIGN_CENTRE || vert == wxALIGN_BOTTOM )
9383     {
9384         m_rowLabelVertAlign = vert;
9385     }
9386
9387     if ( !GetBatchCount() )
9388     {
9389         m_rowLabelWin->Refresh();
9390     }
9391 }
9392
9393 void wxGrid::SetColLabelAlignment( int horiz, int vert )
9394 {
9395     // allow old (incorrect) defs to be used
9396     switch ( horiz )
9397     {
9398         case wxLEFT:   horiz = wxALIGN_LEFT; break;
9399         case wxRIGHT:  horiz = wxALIGN_RIGHT; break;
9400         case wxCENTRE: horiz = wxALIGN_CENTRE; break;
9401     }
9402
9403     switch ( vert )
9404     {
9405         case wxTOP:    vert = wxALIGN_TOP;    break;
9406         case wxBOTTOM: vert = wxALIGN_BOTTOM; break;
9407         case wxCENTRE: vert = wxALIGN_CENTRE; break;
9408     }
9409
9410     if ( horiz == wxALIGN_LEFT || horiz == wxALIGN_CENTRE || horiz == wxALIGN_RIGHT )
9411     {
9412         m_colLabelHorizAlign = horiz;
9413     }
9414
9415     if ( vert == wxALIGN_TOP || vert == wxALIGN_CENTRE || vert == wxALIGN_BOTTOM )
9416     {
9417         m_colLabelVertAlign = vert;
9418     }
9419
9420     if ( !GetBatchCount() )
9421     {
9422         m_colLabelWin->Refresh();
9423     }
9424 }
9425
9426 // Note: under MSW, the default column label font must be changed because it
9427 //       does not support vertical printing
9428 //
9429 // Example: wxFont font(9, wxSWISS, wxNORMAL, wxBOLD);
9430 //                      pGrid->SetLabelFont(font);
9431 //                      pGrid->SetColLabelTextOrientation(wxVERTICAL);
9432 //
9433 void wxGrid::SetColLabelTextOrientation( int textOrientation )
9434 {
9435     if ( textOrientation == wxHORIZONTAL || textOrientation == wxVERTICAL )
9436         m_colLabelTextOrientation = textOrientation;
9437
9438     if ( !GetBatchCount() )
9439         m_colLabelWin->Refresh();
9440 }
9441
9442 void wxGrid::SetRowLabelValue( int row, const wxString& s )
9443 {
9444     if ( m_table )
9445     {
9446         m_table->SetRowLabelValue( row, s );
9447         if ( !GetBatchCount() )
9448         {
9449             wxRect rect = CellToRect( row, 0 );
9450             if ( rect.height > 0 )
9451             {
9452                 CalcScrolledPosition(0, rect.y, &rect.x, &rect.y);
9453                 rect.x = 0;
9454                 rect.width = m_rowLabelWidth;
9455                 m_rowLabelWin->Refresh( true, &rect );
9456             }
9457         }
9458     }
9459 }
9460
9461 void wxGrid::SetColLabelValue( int col, const wxString& s )
9462 {
9463     if ( m_table )
9464     {
9465         m_table->SetColLabelValue( col, s );
9466         if ( !GetBatchCount() )
9467         {
9468             wxRect rect = CellToRect( 0, col );
9469             if ( rect.width > 0 )
9470             {
9471                 CalcScrolledPosition(rect.x, 0, &rect.x, &rect.y);
9472                 rect.y = 0;
9473                 rect.height = m_colLabelHeight;
9474                 m_colLabelWin->Refresh( true, &rect );
9475             }
9476         }
9477     }
9478 }
9479
9480 void wxGrid::SetGridLineColour( const wxColour& colour )
9481 {
9482     if ( m_gridLineColour != colour )
9483     {
9484         m_gridLineColour = colour;
9485
9486         wxClientDC dc( m_gridWin );
9487         PrepareDC( dc );
9488         DrawAllGridLines( dc, wxRegion() );
9489     }
9490 }
9491
9492 void wxGrid::SetCellHighlightColour( const wxColour& colour )
9493 {
9494     if ( m_cellHighlightColour != colour )
9495     {
9496         m_cellHighlightColour = colour;
9497
9498         wxClientDC dc( m_gridWin );
9499         PrepareDC( dc );
9500         wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords);
9501         DrawCellHighlight(dc, attr);
9502         attr->DecRef();
9503     }
9504 }
9505
9506 void wxGrid::SetCellHighlightPenWidth(int width)
9507 {
9508     if (m_cellHighlightPenWidth != width)
9509     {
9510         m_cellHighlightPenWidth = width;
9511
9512         // Just redrawing the cell highlight is not enough since that won't
9513         // make any visible change if the the thickness is getting smaller.
9514         int row = m_currentCellCoords.GetRow();
9515         int col = m_currentCellCoords.GetCol();
9516         if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
9517             return;
9518
9519         wxRect rect = CellToRect(row, col);
9520         m_gridWin->Refresh(true, &rect);
9521     }
9522 }
9523
9524 void wxGrid::SetCellHighlightROPenWidth(int width)
9525 {
9526     if (m_cellHighlightROPenWidth != width)
9527     {
9528         m_cellHighlightROPenWidth = width;
9529
9530         // Just redrawing the cell highlight is not enough since that won't
9531         // make any visible change if the the thickness is getting smaller.
9532         int row = m_currentCellCoords.GetRow();
9533         int col = m_currentCellCoords.GetCol();
9534         if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
9535             return;
9536
9537         wxRect rect = CellToRect(row, col);
9538         m_gridWin->Refresh(true, &rect);
9539     }
9540 }
9541
9542 void wxGrid::EnableGridLines( bool enable )
9543 {
9544     if ( enable != m_gridLinesEnabled )
9545     {
9546         m_gridLinesEnabled = enable;
9547
9548         if ( !GetBatchCount() )
9549         {
9550             if ( enable )
9551             {
9552                 wxClientDC dc( m_gridWin );
9553                 PrepareDC( dc );
9554                 DrawAllGridLines( dc, wxRegion() );
9555             }
9556             else
9557             {
9558                 m_gridWin->Refresh();
9559             }
9560         }
9561     }
9562 }
9563
9564 int wxGrid::GetDefaultRowSize()
9565 {
9566     return m_defaultRowHeight;
9567 }
9568
9569 int wxGrid::GetRowSize( int row )
9570 {
9571     wxCHECK_MSG( row >= 0 && row < m_numRows, 0, _T("invalid row index") );
9572
9573     return GetRowHeight(row);
9574 }
9575
9576 int wxGrid::GetDefaultColSize()
9577 {
9578     return m_defaultColWidth;
9579 }
9580
9581 int wxGrid::GetColSize( int col )
9582 {
9583     wxCHECK_MSG( col >= 0 && col < m_numCols, 0, _T("invalid column index") );
9584
9585     return GetColWidth(col);
9586 }
9587
9588 // ============================================================================
9589 // access to the grid attributes: each of them has a default value in the grid
9590 // itself and may be overidden on a per-cell basis
9591 // ============================================================================
9592
9593 // ----------------------------------------------------------------------------
9594 // setting default attributes
9595 // ----------------------------------------------------------------------------
9596
9597 void wxGrid::SetDefaultCellBackgroundColour( const wxColour& col )
9598 {
9599     m_defaultCellAttr->SetBackgroundColour(col);
9600 #ifdef __WXGTK__
9601     m_gridWin->SetBackgroundColour(col);
9602 #endif
9603 }
9604
9605 void wxGrid::SetDefaultCellTextColour( const wxColour& col )
9606 {
9607     m_defaultCellAttr->SetTextColour(col);
9608 }
9609
9610 void wxGrid::SetDefaultCellAlignment( int horiz, int vert )
9611 {
9612     m_defaultCellAttr->SetAlignment(horiz, vert);
9613 }
9614
9615 void wxGrid::SetDefaultCellOverflow( bool allow )
9616 {
9617     m_defaultCellAttr->SetOverflow(allow);
9618 }
9619
9620 void wxGrid::SetDefaultCellFont( const wxFont& font )
9621 {
9622     m_defaultCellAttr->SetFont(font);
9623 }
9624
9625 // For editors and renderers the type registry takes precedence over the
9626 // default attr, so we need to register the new editor/renderer for the string
9627 // data type in order to make setting a default editor/renderer appear to
9628 // work correctly.
9629
9630 void wxGrid::SetDefaultRenderer(wxGridCellRenderer *renderer)
9631 {
9632     RegisterDataType(wxGRID_VALUE_STRING,
9633                      renderer,
9634                      GetDefaultEditorForType(wxGRID_VALUE_STRING));
9635 }
9636
9637 void wxGrid::SetDefaultEditor(wxGridCellEditor *editor)
9638 {
9639     RegisterDataType(wxGRID_VALUE_STRING,
9640                      GetDefaultRendererForType(wxGRID_VALUE_STRING),
9641                      editor);
9642 }
9643
9644 // ----------------------------------------------------------------------------
9645 // access to the default attrbiutes
9646 // ----------------------------------------------------------------------------
9647
9648 wxColour wxGrid::GetDefaultCellBackgroundColour()
9649 {
9650     return m_defaultCellAttr->GetBackgroundColour();
9651 }
9652
9653 wxColour wxGrid::GetDefaultCellTextColour()
9654 {
9655     return m_defaultCellAttr->GetTextColour();
9656 }
9657
9658 wxFont wxGrid::GetDefaultCellFont()
9659 {
9660     return m_defaultCellAttr->GetFont();
9661 }
9662
9663 void wxGrid::GetDefaultCellAlignment( int *horiz, int *vert )
9664 {
9665     m_defaultCellAttr->GetAlignment(horiz, vert);
9666 }
9667
9668 bool wxGrid::GetDefaultCellOverflow()
9669 {
9670     return m_defaultCellAttr->GetOverflow();
9671 }
9672
9673 wxGridCellRenderer *wxGrid::GetDefaultRenderer() const
9674 {
9675     return m_defaultCellAttr->GetRenderer(NULL, 0, 0);
9676 }
9677
9678 wxGridCellEditor *wxGrid::GetDefaultEditor() const
9679 {
9680     return m_defaultCellAttr->GetEditor(NULL, 0, 0);
9681 }
9682
9683 // ----------------------------------------------------------------------------
9684 // access to cell attributes
9685 // ----------------------------------------------------------------------------
9686
9687 wxColour wxGrid::GetCellBackgroundColour(int row, int col)
9688 {
9689     wxGridCellAttr *attr = GetCellAttr(row, col);
9690     wxColour colour = attr->GetBackgroundColour();
9691     attr->DecRef();
9692
9693     return colour;
9694 }
9695
9696 wxColour wxGrid::GetCellTextColour( int row, int col )
9697 {
9698     wxGridCellAttr *attr = GetCellAttr(row, col);
9699     wxColour colour = attr->GetTextColour();
9700     attr->DecRef();
9701
9702     return colour;
9703 }
9704
9705 wxFont wxGrid::GetCellFont( int row, int col )
9706 {
9707     wxGridCellAttr *attr = GetCellAttr(row, col);
9708     wxFont font = attr->GetFont();
9709     attr->DecRef();
9710
9711     return font;
9712 }
9713
9714 void wxGrid::GetCellAlignment( int row, int col, int *horiz, int *vert )
9715 {
9716     wxGridCellAttr *attr = GetCellAttr(row, col);
9717     attr->GetAlignment(horiz, vert);
9718     attr->DecRef();
9719 }
9720
9721 bool wxGrid::GetCellOverflow( int row, int col )
9722 {
9723     wxGridCellAttr *attr = GetCellAttr(row, col);
9724     bool allow = attr->GetOverflow();
9725     attr->DecRef();
9726
9727     return allow;
9728 }
9729
9730 void wxGrid::GetCellSize( int row, int col, int *num_rows, int *num_cols )
9731 {
9732     wxGridCellAttr *attr = GetCellAttr(row, col);
9733     attr->GetSize( num_rows, num_cols );
9734     attr->DecRef();
9735 }
9736
9737 wxGridCellRenderer* wxGrid::GetCellRenderer(int row, int col)
9738 {
9739     wxGridCellAttr* attr = GetCellAttr(row, col);
9740     wxGridCellRenderer* renderer = attr->GetRenderer(this, row, col);
9741     attr->DecRef();
9742
9743     return renderer;
9744 }
9745
9746 wxGridCellEditor* wxGrid::GetCellEditor(int row, int col)
9747 {
9748     wxGridCellAttr* attr = GetCellAttr(row, col);
9749     wxGridCellEditor* editor = attr->GetEditor(this, row, col);
9750     attr->DecRef();
9751
9752     return editor;
9753 }
9754
9755 bool wxGrid::IsReadOnly(int row, int col) const
9756 {
9757     wxGridCellAttr* attr = GetCellAttr(row, col);
9758     bool isReadOnly = attr->IsReadOnly();
9759     attr->DecRef();
9760
9761     return isReadOnly;
9762 }
9763
9764 // ----------------------------------------------------------------------------
9765 // attribute support: cache, automatic provider creation, ...
9766 // ----------------------------------------------------------------------------
9767
9768 bool wxGrid::CanHaveAttributes()
9769 {
9770     if ( !m_table )
9771     {
9772         return false;
9773     }
9774
9775     return m_table->CanHaveAttributes();
9776 }
9777
9778 void wxGrid::ClearAttrCache()
9779 {
9780     if ( m_attrCache.row != -1 )
9781     {
9782         wxSafeDecRef(m_attrCache.attr);
9783         m_attrCache.attr = NULL;
9784         m_attrCache.row = -1;
9785     }
9786 }
9787
9788 void wxGrid::CacheAttr(int row, int col, wxGridCellAttr *attr) const
9789 {
9790     if ( attr != NULL )
9791     {
9792         wxGrid *self = (wxGrid *)this;  // const_cast
9793
9794         self->ClearAttrCache();
9795         self->m_attrCache.row = row;
9796         self->m_attrCache.col = col;
9797         self->m_attrCache.attr = attr;
9798         wxSafeIncRef(attr);
9799     }
9800 }
9801
9802 bool wxGrid::LookupAttr(int row, int col, wxGridCellAttr **attr) const
9803 {
9804     if ( row == m_attrCache.row && col == m_attrCache.col )
9805     {
9806         *attr = m_attrCache.attr;
9807         wxSafeIncRef(m_attrCache.attr);
9808
9809 #ifdef DEBUG_ATTR_CACHE
9810         gs_nAttrCacheHits++;
9811 #endif
9812
9813         return true;
9814     }
9815     else
9816     {
9817 #ifdef DEBUG_ATTR_CACHE
9818         gs_nAttrCacheMisses++;
9819 #endif
9820
9821         return false;
9822     }
9823 }
9824
9825 wxGridCellAttr *wxGrid::GetCellAttr(int row, int col) const
9826 {
9827     wxGridCellAttr *attr = NULL;
9828     // Additional test to avoid looking at the cache e.g. for
9829     // wxNoCellCoords, as this will confuse memory management.
9830     if ( row >= 0 )
9831     {
9832         if ( !LookupAttr(row, col, &attr) )
9833         {
9834             attr = m_table ? m_table->GetAttr(row, col, wxGridCellAttr::Any)
9835                            : (wxGridCellAttr *)NULL;
9836             CacheAttr(row, col, attr);
9837         }
9838     }
9839
9840     if (attr)
9841     {
9842         attr->SetDefAttr(m_defaultCellAttr);
9843     }
9844     else
9845     {
9846         attr = m_defaultCellAttr;
9847         attr->IncRef();
9848     }
9849
9850     return attr;
9851 }
9852
9853 wxGridCellAttr *wxGrid::GetOrCreateCellAttr(int row, int col) const
9854 {
9855     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
9856     bool canHave = ((wxGrid*)this)->CanHaveAttributes();
9857
9858     wxCHECK_MSG( canHave, attr, _T("Cell attributes not allowed"));
9859     wxCHECK_MSG( m_table, attr, _T("must have a table") );
9860
9861     attr = m_table->GetAttr(row, col, wxGridCellAttr::Cell);
9862     if ( !attr )
9863     {
9864         attr = new wxGridCellAttr(m_defaultCellAttr);
9865
9866         // artificially inc the ref count to match DecRef() in caller
9867         attr->IncRef();
9868         m_table->SetAttr(attr, row, col);
9869     }
9870
9871     return attr;
9872 }
9873
9874 // ----------------------------------------------------------------------------
9875 // setting column attributes (wrappers around SetColAttr)
9876 // ----------------------------------------------------------------------------
9877
9878 void wxGrid::SetColFormatBool(int col)
9879 {
9880     SetColFormatCustom(col, wxGRID_VALUE_BOOL);
9881 }
9882
9883 void wxGrid::SetColFormatNumber(int col)
9884 {
9885     SetColFormatCustom(col, wxGRID_VALUE_NUMBER);
9886 }
9887
9888 void wxGrid::SetColFormatFloat(int col, int width, int precision)
9889 {
9890     wxString typeName = wxGRID_VALUE_FLOAT;
9891     if ( (width != -1) || (precision != -1) )
9892     {
9893         typeName << _T(':') << width << _T(',') << precision;
9894     }
9895
9896     SetColFormatCustom(col, typeName);
9897 }
9898
9899 void wxGrid::SetColFormatCustom(int col, const wxString& typeName)
9900 {
9901     wxGridCellAttr *attr = m_table->GetAttr(-1, col, wxGridCellAttr::Col );
9902     if (!attr)
9903         attr = new wxGridCellAttr;
9904     wxGridCellRenderer *renderer = GetDefaultRendererForType(typeName);
9905     attr->SetRenderer(renderer);
9906
9907     SetColAttr(col, attr);
9908
9909 }
9910
9911 // ----------------------------------------------------------------------------
9912 // setting cell attributes: this is forwarded to the table
9913 // ----------------------------------------------------------------------------
9914
9915 void wxGrid::SetAttr(int row, int col, wxGridCellAttr *attr)
9916 {
9917     if ( CanHaveAttributes() )
9918     {
9919         m_table->SetAttr(attr, row, col);
9920         ClearAttrCache();
9921     }
9922     else
9923     {
9924         wxSafeDecRef(attr);
9925     }
9926 }
9927
9928 void wxGrid::SetRowAttr(int row, wxGridCellAttr *attr)
9929 {
9930     if ( CanHaveAttributes() )
9931     {
9932         m_table->SetRowAttr(attr, row);
9933         ClearAttrCache();
9934     }
9935     else
9936     {
9937         wxSafeDecRef(attr);
9938     }
9939 }
9940
9941 void wxGrid::SetColAttr(int col, wxGridCellAttr *attr)
9942 {
9943     if ( CanHaveAttributes() )
9944     {
9945         m_table->SetColAttr(attr, col);
9946         ClearAttrCache();
9947     }
9948     else
9949     {
9950         wxSafeDecRef(attr);
9951     }
9952 }
9953
9954 void wxGrid::SetCellBackgroundColour( int row, int col, const wxColour& colour )
9955 {
9956     if ( CanHaveAttributes() )
9957     {
9958         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
9959         attr->SetBackgroundColour(colour);
9960         attr->DecRef();
9961     }
9962 }
9963
9964 void wxGrid::SetCellTextColour( int row, int col, const wxColour& colour )
9965 {
9966     if ( CanHaveAttributes() )
9967     {
9968         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
9969         attr->SetTextColour(colour);
9970         attr->DecRef();
9971     }
9972 }
9973
9974 void wxGrid::SetCellFont( int row, int col, const wxFont& font )
9975 {
9976     if ( CanHaveAttributes() )
9977     {
9978         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
9979         attr->SetFont(font);
9980         attr->DecRef();
9981     }
9982 }
9983
9984 void wxGrid::SetCellAlignment( int row, int col, int horiz, int vert )
9985 {
9986     if ( CanHaveAttributes() )
9987     {
9988         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
9989         attr->SetAlignment(horiz, vert);
9990         attr->DecRef();
9991     }
9992 }
9993
9994 void wxGrid::SetCellOverflow( int row, int col, bool allow )
9995 {
9996     if ( CanHaveAttributes() )
9997     {
9998         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
9999         attr->SetOverflow(allow);
10000         attr->DecRef();
10001     }
10002 }
10003
10004 void wxGrid::SetCellSize( int row, int col, int num_rows, int num_cols )
10005 {
10006     if ( CanHaveAttributes() )
10007     {
10008         int cell_rows, cell_cols;
10009
10010         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
10011         attr->GetSize(&cell_rows, &cell_cols);
10012         attr->SetSize(num_rows, num_cols);
10013         attr->DecRef();
10014
10015         // Cannot set the size of a cell to 0 or negative values
10016         // While it is perfectly legal to do that, this function cannot
10017         // handle all the possibilies, do it by hand by getting the CellAttr.
10018         // You can only set the size of a cell to 1,1 or greater with this fn
10019         wxASSERT_MSG( !((cell_rows < 1) || (cell_cols < 1)),
10020                       wxT("wxGrid::SetCellSize setting cell size that is already part of another cell"));
10021         wxASSERT_MSG( !((num_rows < 1) || (num_cols < 1)),
10022                       wxT("wxGrid::SetCellSize setting cell size to < 1"));
10023
10024         // if this was already a multicell then "turn off" the other cells first
10025         if ((cell_rows > 1) || (cell_rows > 1))
10026         {
10027             int i, j;
10028             for (j=row; j < row + cell_rows; j++)
10029             {
10030                 for (i=col; i < col + cell_cols; i++)
10031                 {
10032                     if ((i != col) || (j != row))
10033                     {
10034                         wxGridCellAttr *attr_stub = GetOrCreateCellAttr(j, i);
10035                         attr_stub->SetSize( 1, 1 );
10036                         attr_stub->DecRef();
10037                     }
10038                 }
10039             }
10040         }
10041
10042         // mark the cells that will be covered by this cell to
10043         // negative or zero values to point back at this cell
10044         if (((num_rows > 1) || (num_cols > 1)) && (num_rows >= 1) && (num_cols >= 1))
10045         {
10046             int i, j;
10047             for (j=row; j < row + num_rows; j++)
10048             {
10049                 for (i=col; i < col + num_cols; i++)
10050                 {
10051                     if ((i != col) || (j != row))
10052                     {
10053                         wxGridCellAttr *attr_stub = GetOrCreateCellAttr(j, i);
10054                         attr_stub->SetSize( row - j, col - i );
10055                         attr_stub->DecRef();
10056                     }
10057                 }
10058             }
10059         }
10060     }
10061 }
10062
10063 void wxGrid::SetCellRenderer(int row, int col, wxGridCellRenderer *renderer)
10064 {
10065     if ( CanHaveAttributes() )
10066     {
10067         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
10068         attr->SetRenderer(renderer);
10069         attr->DecRef();
10070     }
10071 }
10072
10073 void wxGrid::SetCellEditor(int row, int col, wxGridCellEditor* editor)
10074 {
10075     if ( CanHaveAttributes() )
10076     {
10077         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
10078         attr->SetEditor(editor);
10079         attr->DecRef();
10080     }
10081 }
10082
10083 void wxGrid::SetReadOnly(int row, int col, bool isReadOnly)
10084 {
10085     if ( CanHaveAttributes() )
10086     {
10087         wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
10088         attr->SetReadOnly(isReadOnly);
10089         attr->DecRef();
10090     }
10091 }
10092
10093 // ----------------------------------------------------------------------------
10094 // Data type registration
10095 // ----------------------------------------------------------------------------
10096
10097 void wxGrid::RegisterDataType(const wxString& typeName,
10098                               wxGridCellRenderer* renderer,
10099                               wxGridCellEditor* editor)
10100 {
10101     m_typeRegistry->RegisterDataType(typeName, renderer, editor);
10102 }
10103
10104
10105 wxGridCellEditor * wxGrid::GetDefaultEditorForCell(int row, int col) const
10106 {
10107     wxString typeName = m_table->GetTypeName(row, col);
10108     return GetDefaultEditorForType(typeName);
10109 }
10110
10111 wxGridCellRenderer * wxGrid::GetDefaultRendererForCell(int row, int col) const
10112 {
10113     wxString typeName = m_table->GetTypeName(row, col);
10114     return GetDefaultRendererForType(typeName);
10115 }
10116
10117 wxGridCellEditor * wxGrid::GetDefaultEditorForType(const wxString& typeName) const
10118 {
10119     int index = m_typeRegistry->FindOrCloneDataType(typeName);
10120     if ( index == wxNOT_FOUND )
10121     {
10122         wxString errStr;
10123
10124         errStr.Printf(wxT("Unknown data type name [%s]"), typeName.c_str());
10125         wxFAIL_MSG(errStr.c_str());
10126
10127         return NULL;
10128     }
10129
10130     return m_typeRegistry->GetEditor(index);
10131 }
10132
10133 wxGridCellRenderer * wxGrid::GetDefaultRendererForType(const wxString& typeName) const
10134 {
10135     int index = m_typeRegistry->FindOrCloneDataType(typeName);
10136     if ( index == wxNOT_FOUND )
10137     {
10138         wxString errStr;
10139
10140         errStr.Printf(wxT("Unknown data type name [%s]"), typeName.c_str());
10141         wxFAIL_MSG(errStr.c_str());
10142
10143         return NULL;
10144     }
10145
10146     return m_typeRegistry->GetRenderer(index);
10147 }
10148
10149 // ----------------------------------------------------------------------------
10150 // row/col size
10151 // ----------------------------------------------------------------------------
10152
10153 void wxGrid::EnableDragRowSize( bool enable )
10154 {
10155     m_canDragRowSize = enable;
10156 }
10157
10158 void wxGrid::EnableDragColSize( bool enable )
10159 {
10160     m_canDragColSize = enable;
10161 }
10162
10163 void wxGrid::EnableDragGridSize( bool enable )
10164 {
10165     m_canDragGridSize = enable;
10166 }
10167
10168 void wxGrid::EnableDragCell( bool enable )
10169 {
10170     m_canDragCell = enable;
10171 }
10172
10173 void wxGrid::SetDefaultRowSize( int height, bool resizeExistingRows )
10174 {
10175     m_defaultRowHeight = wxMax( height, m_minAcceptableRowHeight );
10176
10177     if ( resizeExistingRows )
10178     {
10179         // since we are resizing all rows to the default row size,
10180         // we can simply clear the row heights and row bottoms
10181         // arrays (which also allows us to take advantage of
10182         // some speed optimisations)
10183         m_rowHeights.Empty();
10184         m_rowBottoms.Empty();
10185         if ( !GetBatchCount() )
10186             CalcDimensions();
10187     }
10188 }
10189
10190 void wxGrid::SetRowSize( int row, int height )
10191 {
10192     wxCHECK_RET( row >= 0 && row < m_numRows, _T("invalid row index") );
10193
10194     // See comment in SetColSize
10195     if ( height < GetRowMinimalAcceptableHeight())
10196         return;
10197
10198     if ( m_rowHeights.IsEmpty() )
10199     {
10200         // need to really create the array
10201         InitRowHeights();
10202     }
10203
10204     int h = wxMax( 0, height );
10205     int diff = h - m_rowHeights[row];
10206
10207     m_rowHeights[row] = h;
10208     int i;
10209     for ( i = row; i < m_numRows; i++ )
10210     {
10211         m_rowBottoms[i] += diff;
10212     }
10213
10214     if ( !GetBatchCount() )
10215         CalcDimensions();
10216 }
10217
10218 void wxGrid::SetDefaultColSize( int width, bool resizeExistingCols )
10219 {
10220     m_defaultColWidth = wxMax( width, m_minAcceptableColWidth );
10221
10222     if ( resizeExistingCols )
10223     {
10224         // since we are resizing all columns to the default column size,
10225         // we can simply clear the col widths and col rights
10226         // arrays (which also allows us to take advantage of
10227         // some speed optimisations)
10228         m_colWidths.Empty();
10229         m_colRights.Empty();
10230         if ( !GetBatchCount() )
10231             CalcDimensions();
10232     }
10233 }
10234
10235 void wxGrid::SetColSize( int col, int width )
10236 {
10237     wxCHECK_RET( col >= 0 && col < m_numCols, _T("invalid column index") );
10238
10239     // should we check that it's bigger than GetColMinimalWidth(col) here?
10240     //                                                                 (VZ)
10241     // No, because it is reasonable to assume the library user know's
10242     // what he is doing. However we should test against the weaker
10243     // constraint of minimalAcceptableWidth, as this breaks rendering
10244     //
10245     // This test then fixes sf.net bug #645734
10246
10247     if ( width < GetColMinimalAcceptableWidth() )
10248         return;
10249
10250     if ( m_colWidths.IsEmpty() )
10251     {
10252         // need to really create the array
10253         InitColWidths();
10254     }
10255
10256     // if < 0 then calculate new width from label
10257     if ( width < 0 )
10258     {
10259         long w, h;
10260         wxArrayString lines;
10261         wxClientDC dc(m_colLabelWin);
10262         dc.SetFont(GetLabelFont());
10263         StringToLines(GetColLabelValue(col), lines);
10264         GetTextBoxSize(dc, lines, &w, &h);
10265         width = w + 6;
10266     }
10267
10268     int w = wxMax( 0, width );
10269     int diff = w - m_colWidths[col];
10270     m_colWidths[col] = w;
10271
10272     int i;
10273     int colPos;
10274     for ( colPos = GetColPos( col ); colPos < m_numCols; colPos++ )
10275     {
10276         i = GetColAt( colPos );
10277         m_colRights[i] += diff;
10278     }
10279
10280     if ( !GetBatchCount() )
10281         CalcDimensions();
10282 }
10283
10284 void wxGrid::SetColMinimalWidth( int col, int width )
10285 {
10286     if (width > GetColMinimalAcceptableWidth())
10287     {
10288         wxLongToLongHashMap::key_type key = (wxLongToLongHashMap::key_type)col;
10289         m_colMinWidths[key] = width;
10290     }
10291 }
10292
10293 void wxGrid::SetRowMinimalHeight( int row, int width )
10294 {
10295     if (width > GetRowMinimalAcceptableHeight())
10296     {
10297         wxLongToLongHashMap::key_type key = (wxLongToLongHashMap::key_type)row;
10298         m_rowMinHeights[key] = width;
10299     }
10300 }
10301
10302 int wxGrid::GetColMinimalWidth(int col) const
10303 {
10304     wxLongToLongHashMap::key_type key = (wxLongToLongHashMap::key_type)col;
10305     wxLongToLongHashMap::const_iterator it = m_colMinWidths.find(key);
10306
10307     return it != m_colMinWidths.end() ? (int)it->second : m_minAcceptableColWidth;
10308 }
10309
10310 int wxGrid::GetRowMinimalHeight(int row) const
10311 {
10312     wxLongToLongHashMap::key_type key = (wxLongToLongHashMap::key_type)row;
10313     wxLongToLongHashMap::const_iterator it = m_rowMinHeights.find(key);
10314
10315     return it != m_rowMinHeights.end() ? (int)it->second : m_minAcceptableRowHeight;
10316 }
10317
10318 void wxGrid::SetColMinimalAcceptableWidth( int width )
10319 {
10320     // We do allow a width of 0 since this gives us
10321     // an easy way to temporarily hiding columns.
10322     if ( width >= 0 )
10323         m_minAcceptableColWidth = width;
10324 }
10325
10326 void wxGrid::SetRowMinimalAcceptableHeight( int height )
10327 {
10328     // We do allow a height of 0 since this gives us
10329     // an easy way to temporarily hiding rows.
10330     if ( height >= 0 )
10331         m_minAcceptableRowHeight = height;
10332 }
10333
10334 int  wxGrid::GetColMinimalAcceptableWidth() const
10335 {
10336     return m_minAcceptableColWidth;
10337 }
10338
10339 int  wxGrid::GetRowMinimalAcceptableHeight() const
10340 {
10341     return m_minAcceptableRowHeight;
10342 }
10343
10344 // ----------------------------------------------------------------------------
10345 // auto sizing
10346 // ----------------------------------------------------------------------------
10347
10348 void wxGrid::AutoSizeColOrRow( int colOrRow, bool setAsMin, bool column )
10349 {
10350     wxClientDC dc(m_gridWin);
10351
10352     // cancel editing of cell
10353     HideCellEditControl();
10354     SaveEditControlValue();
10355
10356     // init both of them to avoid compiler warnings, even if we only need one
10357     int row = -1,
10358         col = -1;
10359     if ( column )
10360         col = colOrRow;
10361     else
10362         row = colOrRow;
10363
10364     wxCoord extent, extentMax = 0;
10365     int max = column ? m_numRows : m_numCols;
10366     for ( int rowOrCol = 0; rowOrCol < max; rowOrCol++ )
10367     {
10368         if ( column )
10369             row = rowOrCol;
10370         else
10371             col = rowOrCol;
10372
10373         wxGridCellAttr *attr = GetCellAttr(row, col);
10374         wxGridCellRenderer *renderer = attr->GetRenderer(this, row, col);
10375         if ( renderer )
10376         {
10377             wxSize size = renderer->GetBestSize(*this, *attr, dc, row, col);
10378             extent = column ? size.x : size.y;
10379             if ( extent > extentMax )
10380                 extentMax = extent;
10381
10382             renderer->DecRef();
10383         }
10384
10385         attr->DecRef();
10386     }
10387
10388     // now also compare with the column label extent
10389     wxCoord w, h;
10390     dc.SetFont( GetLabelFont() );
10391
10392     if ( column )
10393     {
10394         dc.GetMultiLineTextExtent( GetColLabelValue(col), &w, &h );
10395         if ( GetColLabelTextOrientation() == wxVERTICAL )
10396             w = h;
10397     }
10398     else
10399         dc.GetMultiLineTextExtent( GetRowLabelValue(row), &w, &h );
10400
10401     extent = column ? w : h;
10402     if ( extent > extentMax )
10403         extentMax = extent;
10404
10405     if ( !extentMax )
10406     {
10407         // empty column - give default extent (notice that if extentMax is less
10408         // than default extent but != 0, it's OK)
10409         extentMax = column ? m_defaultColWidth : m_defaultRowHeight;
10410     }
10411     else
10412     {
10413         if ( column )
10414             // leave some space around text
10415             extentMax += 10;
10416         else
10417             extentMax += 6;
10418     }
10419
10420     if ( column )
10421     {
10422         SetColSize( col, extentMax );
10423         if ( !GetBatchCount() )
10424         {
10425             int cw, ch, dummy;
10426             m_gridWin->GetClientSize( &cw, &ch );
10427             wxRect rect ( CellToRect( 0, col ) );
10428             rect.y = 0;
10429             CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
10430             rect.width = cw - rect.x;
10431             rect.height = m_colLabelHeight;
10432             m_colLabelWin->Refresh( true, &rect );
10433         }
10434     }
10435     else
10436     {
10437         SetRowSize(row, extentMax);
10438         if ( !GetBatchCount() )
10439         {
10440             int cw, ch, dummy;
10441             m_gridWin->GetClientSize( &cw, &ch );
10442             wxRect rect( CellToRect( row, 0 ) );
10443             rect.x = 0;
10444             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
10445             rect.width = m_rowLabelWidth;
10446             rect.height = ch - rect.y;
10447             m_rowLabelWin->Refresh( true, &rect );
10448         }
10449     }
10450
10451     if ( setAsMin )
10452     {
10453         if ( column )
10454             SetColMinimalWidth(col, extentMax);
10455         else
10456             SetRowMinimalHeight(row, extentMax);
10457     }
10458 }
10459
10460 int wxGrid::SetOrCalcColumnSizes(bool calcOnly, bool setAsMin)
10461 {
10462     int width = m_rowLabelWidth;
10463
10464     if ( !calcOnly )
10465         BeginBatch();
10466
10467     for ( int col = 0; col < m_numCols; col++ )
10468     {
10469         if ( !calcOnly )
10470             AutoSizeColumn(col, setAsMin);
10471
10472         width += GetColWidth(col);
10473     }
10474
10475     if ( !calcOnly )
10476         EndBatch();
10477
10478     return width;
10479 }
10480
10481 int wxGrid::SetOrCalcRowSizes(bool calcOnly, bool setAsMin)
10482 {
10483     int height = m_colLabelHeight;
10484
10485     if ( !calcOnly )
10486         BeginBatch();
10487
10488     for ( int row = 0; row < m_numRows; row++ )
10489     {
10490         if ( !calcOnly )
10491             AutoSizeRow(row, setAsMin);
10492
10493         height += GetRowHeight(row);
10494     }
10495
10496     if ( !calcOnly )
10497         EndBatch();
10498
10499     return height;
10500 }
10501
10502 void wxGrid::AutoSize()
10503 {
10504     BeginBatch();
10505
10506     wxSize size(SetOrCalcColumnSizes(false), SetOrCalcRowSizes(false));
10507
10508     // round up the size to a multiple of scroll step - this ensures that we
10509     // won't get the scrollbars if we're sized exactly to this width
10510     // CalcDimension adds m_extraWidth + 1 etc. to calculate the necessary
10511     // scrollbar steps
10512     wxSize sizeFit(
10513         GetScrollX(size.x + m_extraWidth + 1) * m_scrollLineX,
10514         GetScrollY(size.y + m_extraHeight + 1) * m_scrollLineY );
10515
10516     // distribute the extra space between the columns/rows to avoid having
10517     // extra white space
10518
10519     // Remove the extra m_extraWidth + 1 added above
10520     wxCoord diff = sizeFit.x - size.x + (m_extraWidth + 1);
10521     if ( diff && m_numCols )
10522     {
10523         // try to resize the columns uniformly
10524         wxCoord diffPerCol = diff / m_numCols;
10525         if ( diffPerCol )
10526         {
10527             for ( int col = 0; col < m_numCols; col++ )
10528             {
10529                 SetColSize(col, GetColWidth(col) + diffPerCol);
10530             }
10531         }
10532
10533         // add remaining amount to the last columns
10534         diff -= diffPerCol * m_numCols;
10535         if ( diff )
10536         {
10537             for ( int col = m_numCols - 1; col >= m_numCols - diff; col-- )
10538             {
10539                 SetColSize(col, GetColWidth(col) + 1);
10540             }
10541         }
10542     }
10543
10544     // same for rows
10545     diff = sizeFit.y - size.y - (m_extraHeight + 1);
10546     if ( diff && m_numRows )
10547     {
10548         // try to resize the columns uniformly
10549         wxCoord diffPerRow = diff / m_numRows;
10550         if ( diffPerRow )
10551         {
10552             for ( int row = 0; row < m_numRows; row++ )
10553             {
10554                 SetRowSize(row, GetRowHeight(row) + diffPerRow);
10555             }
10556         }
10557
10558         // add remaining amount to the last rows
10559         diff -= diffPerRow * m_numRows;
10560         if ( diff )
10561         {
10562             for ( int row = m_numRows - 1; row >= m_numRows - diff; row-- )
10563             {
10564                 SetRowSize(row, GetRowHeight(row) + 1);
10565             }
10566         }
10567     }
10568
10569     EndBatch();
10570
10571     SetClientSize(sizeFit);
10572 }
10573
10574 void wxGrid::AutoSizeRowLabelSize( int row )
10575 {
10576     wxArrayString lines;
10577     long w, h;
10578
10579     // Hide the edit control, so it
10580     // won't interfere with drag-shrinking.
10581     if ( IsCellEditControlShown() )
10582     {
10583         HideCellEditControl();
10584         SaveEditControlValue();
10585     }
10586
10587     // autosize row height depending on label text
10588     StringToLines( GetRowLabelValue( row ), lines );
10589     wxClientDC dc( m_rowLabelWin );
10590     GetTextBoxSize( dc, lines, &w, &h );
10591     if ( h < m_defaultRowHeight )
10592         h = m_defaultRowHeight;
10593     SetRowSize(row, h);
10594     ForceRefresh();
10595 }
10596
10597 void wxGrid::AutoSizeColLabelSize( int col )
10598 {
10599     wxArrayString lines;
10600     long w, h;
10601
10602     // Hide the edit control, so it
10603     // won't interfere with drag-shrinking.
10604     if ( IsCellEditControlShown() )
10605     {
10606         HideCellEditControl();
10607         SaveEditControlValue();
10608     }
10609
10610     // autosize column width depending on label text
10611     StringToLines( GetColLabelValue( col ), lines );
10612     wxClientDC dc( m_colLabelWin );
10613     if ( GetColLabelTextOrientation() == wxHORIZONTAL )
10614         GetTextBoxSize( dc, lines, &w, &h );
10615     else
10616         GetTextBoxSize( dc, lines, &h, &w );
10617     if ( w < m_defaultColWidth )
10618         w = m_defaultColWidth;
10619     SetColSize(col, w);
10620     ForceRefresh();
10621 }
10622
10623 wxSize wxGrid::DoGetBestSize() const
10624 {
10625     // don't set sizes, only calculate them
10626     wxGrid *self = (wxGrid *)this;  // const_cast
10627
10628     int width, height;
10629     width = self->SetOrCalcColumnSizes(true);
10630     height = self->SetOrCalcRowSizes(true);
10631
10632     if (!width)
10633         width = 100;
10634     if (!height)
10635         height = 80;
10636
10637     // Round up to a multiple the scroll rate
10638     // NOTE: this still doesn't get rid of the scrollbars;
10639     // is there any magic incantation for that?
10640     int xpu, ypu;
10641     GetScrollPixelsPerUnit(&xpu, &ypu);
10642     if (xpu)
10643         width  += 1 + xpu - (width  % xpu);
10644     if (ypu)
10645         height += 1 + ypu - (height % ypu);
10646
10647     // limit to 1/4 of the screen size
10648     int maxwidth, maxheight;
10649     wxDisplaySize( &maxwidth, &maxheight );
10650     maxwidth /= 2;
10651     maxheight /= 2;
10652     if ( width > maxwidth )
10653         width = maxwidth;
10654     if ( height > maxheight )
10655         height = maxheight;
10656
10657     wxSize best(width, height);
10658
10659     // NOTE: This size should be cached, but first we need to add calls to
10660     // InvalidateBestSize everywhere that could change the results of this
10661     // calculation.
10662     // CacheBestSize(size);
10663
10664     return best;
10665 }
10666
10667 void wxGrid::Fit()
10668 {
10669     AutoSize();
10670 }
10671
10672 wxPen& wxGrid::GetDividerPen() const
10673 {
10674     return wxNullPen;
10675 }
10676
10677 // ----------------------------------------------------------------------------
10678 // cell value accessor functions
10679 // ----------------------------------------------------------------------------
10680
10681 void wxGrid::SetCellValue( int row, int col, const wxString& s )
10682 {
10683     if ( m_table )
10684     {
10685         m_table->SetValue( row, col, s );
10686         if ( !GetBatchCount() )
10687         {
10688             int dummy;
10689             wxRect rect( CellToRect( row, col ) );
10690             rect.x = 0;
10691             rect.width = m_gridWin->GetClientSize().GetWidth();
10692             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
10693             m_gridWin->Refresh( false, &rect );
10694         }
10695
10696         if ( m_currentCellCoords.GetRow() == row &&
10697              m_currentCellCoords.GetCol() == col &&
10698              IsCellEditControlShown())
10699              // Note: If we are using IsCellEditControlEnabled,
10700              // this interacts badly with calling SetCellValue from
10701              // an EVT_GRID_CELL_CHANGE handler.
10702         {
10703             HideCellEditControl();
10704             ShowCellEditControl(); // will reread data from table
10705         }
10706     }
10707 }
10708
10709 // ----------------------------------------------------------------------------
10710 // block, row and column selection
10711 // ----------------------------------------------------------------------------
10712
10713 void wxGrid::SelectRow( int row, bool addToSelected )
10714 {
10715     if ( IsSelection() && !addToSelected )
10716         ClearSelection();
10717
10718     if ( m_selection )
10719         m_selection->SelectRow( row, false, addToSelected );
10720 }
10721
10722 void wxGrid::SelectCol( int col, bool addToSelected )
10723 {
10724     if ( IsSelection() && !addToSelected )
10725         ClearSelection();
10726
10727     if ( m_selection )
10728         m_selection->SelectCol( col, false, addToSelected );
10729 }
10730
10731 void wxGrid::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol,
10732                           bool addToSelected )
10733 {
10734     if ( IsSelection() && !addToSelected )
10735         ClearSelection();
10736
10737     if ( m_selection )
10738         m_selection->SelectBlock( topRow, leftCol, bottomRow, rightCol,
10739                                   false, addToSelected );
10740 }
10741
10742 void wxGrid::SelectAll()
10743 {
10744     if ( m_numRows > 0 && m_numCols > 0 )
10745     {
10746         if ( m_selection )
10747             m_selection->SelectBlock( 0, 0, m_numRows - 1, m_numCols - 1 );
10748     }
10749 }
10750
10751 // ----------------------------------------------------------------------------
10752 // cell, row and col deselection
10753 // ----------------------------------------------------------------------------
10754
10755 void wxGrid::DeselectRow( int row )
10756 {
10757     if ( !m_selection )
10758         return;
10759
10760     if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectRows )
10761     {
10762         if ( m_selection->IsInSelection(row, 0 ) )
10763             m_selection->ToggleCellSelection(row, 0);
10764     }
10765     else
10766     {
10767         int nCols = GetNumberCols();
10768         for ( int i = 0; i < nCols; i++ )
10769         {
10770             if ( m_selection->IsInSelection(row, i ) )
10771                 m_selection->ToggleCellSelection(row, i);
10772         }
10773     }
10774 }
10775
10776 void wxGrid::DeselectCol( int col )
10777 {
10778     if ( !m_selection )
10779         return;
10780
10781     if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectColumns )
10782     {
10783         if ( m_selection->IsInSelection(0, col ) )
10784             m_selection->ToggleCellSelection(0, col);
10785     }
10786     else
10787     {
10788         int nRows = GetNumberRows();
10789         for ( int i = 0; i < nRows; i++ )
10790         {
10791             if ( m_selection->IsInSelection(i, col ) )
10792                 m_selection->ToggleCellSelection(i, col);
10793         }
10794     }
10795 }
10796
10797 void wxGrid::DeselectCell( int row, int col )
10798 {
10799     if ( m_selection && m_selection->IsInSelection(row, col) )
10800         m_selection->ToggleCellSelection(row, col);
10801 }
10802
10803 bool wxGrid::IsSelection()
10804 {
10805     return ( m_selection && (m_selection->IsSelection() ||
10806              ( m_selectingTopLeft != wxGridNoCellCoords &&
10807                m_selectingBottomRight != wxGridNoCellCoords) ) );
10808 }
10809
10810 bool wxGrid::IsInSelection( int row, int col ) const
10811 {
10812     return ( m_selection && (m_selection->IsInSelection( row, col ) ||
10813              ( row >= m_selectingTopLeft.GetRow() &&
10814                col >= m_selectingTopLeft.GetCol() &&
10815                row <= m_selectingBottomRight.GetRow() &&
10816                col <= m_selectingBottomRight.GetCol() )) );
10817 }
10818
10819 wxGridCellCoordsArray wxGrid::GetSelectedCells() const
10820 {
10821     if (!m_selection)
10822     {
10823         wxGridCellCoordsArray a;
10824         return a;
10825     }
10826
10827     return m_selection->m_cellSelection;
10828 }
10829
10830 wxGridCellCoordsArray wxGrid::GetSelectionBlockTopLeft() const
10831 {
10832     if (!m_selection)
10833     {
10834         wxGridCellCoordsArray a;
10835         return a;
10836     }
10837
10838     return m_selection->m_blockSelectionTopLeft;
10839 }
10840
10841 wxGridCellCoordsArray wxGrid::GetSelectionBlockBottomRight() const
10842 {
10843     if (!m_selection)
10844     {
10845         wxGridCellCoordsArray a;
10846         return a;
10847     }
10848
10849     return m_selection->m_blockSelectionBottomRight;
10850 }
10851
10852 wxArrayInt wxGrid::GetSelectedRows() const
10853 {
10854     if (!m_selection)
10855     {
10856         wxArrayInt a;
10857         return a;
10858     }
10859
10860     return m_selection->m_rowSelection;
10861 }
10862
10863 wxArrayInt wxGrid::GetSelectedCols() const
10864 {
10865     if (!m_selection)
10866     {
10867         wxArrayInt a;
10868         return a;
10869     }
10870
10871     return m_selection->m_colSelection;
10872 }
10873
10874 void wxGrid::ClearSelection()
10875 {
10876     m_selectingTopLeft =
10877     m_selectingBottomRight =
10878     m_selectingKeyboard = wxGridNoCellCoords;
10879     if ( m_selection )
10880         m_selection->ClearSelection();
10881 }
10882
10883 // This function returns the rectangle that encloses the given block
10884 // in device coords clipped to the client size of the grid window.
10885 //
10886 wxRect wxGrid::BlockToDeviceRect( const wxGridCellCoords &topLeft,
10887                                   const wxGridCellCoords &bottomRight )
10888 {
10889     wxRect rect( wxGridNoCellRect );
10890     wxRect cellRect;
10891
10892     cellRect = CellToRect( topLeft );
10893     if ( cellRect != wxGridNoCellRect )
10894     {
10895         rect = cellRect;
10896     }
10897     else
10898     {
10899         rect = wxRect(0, 0, 0, 0);
10900     }
10901
10902     cellRect = CellToRect( bottomRight );
10903     if ( cellRect != wxGridNoCellRect )
10904     {
10905         rect += cellRect;
10906     }
10907     else
10908     {
10909         return wxGridNoCellRect;
10910     }
10911
10912     int i, j;
10913     int left = rect.GetLeft();
10914     int top = rect.GetTop();
10915     int right = rect.GetRight();
10916     int bottom = rect.GetBottom();
10917
10918     int leftCol = topLeft.GetCol();
10919     int topRow = topLeft.GetRow();
10920     int rightCol = bottomRight.GetCol();
10921     int bottomRow = bottomRight.GetRow();
10922
10923     if (left > right)
10924     {
10925         i = left;
10926         left = right;
10927         right = i;
10928         i = leftCol;
10929         leftCol = rightCol;
10930         rightCol = i;
10931     }
10932
10933     if (top > bottom)
10934     {
10935         i = top;
10936         top = bottom;
10937         bottom = i;
10938         i = topRow;
10939         topRow = bottomRow;
10940         bottomRow = i;
10941     }
10942
10943     for ( j = topRow; j <= bottomRow; j++ )
10944     {
10945         for ( i = leftCol; i <= rightCol; i++ )
10946         {
10947             if ((j == topRow) || (j == bottomRow) || (i == leftCol) || (i == rightCol))
10948             {
10949                 cellRect = CellToRect( j, i );
10950
10951                 if (cellRect.x < left)
10952                     left = cellRect.x;
10953                 if (cellRect.y < top)
10954                     top = cellRect.y;
10955                 if (cellRect.x + cellRect.width > right)
10956                     right = cellRect.x + cellRect.width;
10957                 if (cellRect.y + cellRect.height > bottom)
10958                     bottom = cellRect.y + cellRect.height;
10959             }
10960             else
10961             {
10962                 i = rightCol; // jump over inner cells.
10963             }
10964         }
10965     }
10966
10967     // convert to scrolled coords
10968     //
10969     CalcScrolledPosition( left, top, &left, &top );
10970     CalcScrolledPosition( right, bottom, &right, &bottom );
10971
10972     int cw, ch;
10973     m_gridWin->GetClientSize( &cw, &ch );
10974
10975     if (right < 0 || bottom < 0 || left > cw || top > ch)
10976         return wxRect(0,0,0,0);
10977
10978     rect.SetLeft( wxMax(0, left) );
10979     rect.SetTop( wxMax(0, top) );
10980     rect.SetRight( wxMin(cw, right) );
10981     rect.SetBottom( wxMin(ch, bottom) );
10982
10983     return rect;
10984 }
10985
10986 // ----------------------------------------------------------------------------
10987 // grid event classes
10988 // ----------------------------------------------------------------------------
10989
10990 IMPLEMENT_DYNAMIC_CLASS( wxGridEvent, wxNotifyEvent )
10991
10992 wxGridEvent::wxGridEvent( int id, wxEventType type, wxObject* obj,
10993                           int row, int col, int x, int y, bool sel,
10994                           bool control, bool shift, bool alt, bool meta )
10995         : wxNotifyEvent( type, id )
10996 {
10997     m_row = row;
10998     m_col = col;
10999     m_x = x;
11000     m_y = y;
11001     m_selecting = sel;
11002     m_control = control;
11003     m_shift = shift;
11004     m_alt = alt;
11005     m_meta = meta;
11006
11007     SetEventObject(obj);
11008 }
11009
11010
11011 IMPLEMENT_DYNAMIC_CLASS( wxGridSizeEvent, wxNotifyEvent )
11012
11013 wxGridSizeEvent::wxGridSizeEvent( int id, wxEventType type, wxObject* obj,
11014                                   int rowOrCol, int x, int y,
11015                                   bool control, bool shift, bool alt, bool meta )
11016         : wxNotifyEvent( type, id )
11017 {
11018     m_rowOrCol = rowOrCol;
11019     m_x = x;
11020     m_y = y;
11021     m_control = control;
11022     m_shift = shift;
11023     m_alt = alt;
11024     m_meta = meta;
11025
11026     SetEventObject(obj);
11027 }
11028
11029
11030 IMPLEMENT_DYNAMIC_CLASS( wxGridRangeSelectEvent, wxNotifyEvent )
11031
11032 wxGridRangeSelectEvent::wxGridRangeSelectEvent(int id, wxEventType type, wxObject* obj,
11033                                                const wxGridCellCoords& topLeft,
11034                                                const wxGridCellCoords& bottomRight,
11035                                                bool sel, bool control,
11036                                                bool shift, bool alt, bool meta )
11037         : wxNotifyEvent( type, id )
11038 {
11039     m_topLeft = topLeft;
11040     m_bottomRight = bottomRight;
11041     m_selecting = sel;
11042     m_control = control;
11043     m_shift = shift;
11044     m_alt = alt;
11045     m_meta = meta;
11046
11047     SetEventObject(obj);
11048 }
11049
11050
11051 IMPLEMENT_DYNAMIC_CLASS(wxGridEditorCreatedEvent, wxCommandEvent)
11052
11053 wxGridEditorCreatedEvent::wxGridEditorCreatedEvent(int id, wxEventType type,
11054                                                    wxObject* obj, int row,
11055                                                    int col, wxControl* ctrl)
11056     : wxCommandEvent(type, id)
11057 {
11058     SetEventObject(obj);
11059     m_row = row;
11060     m_col = col;
11061     m_ctrl = ctrl;
11062 }
11063
11064 #endif // wxUSE_GRID