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