src/generic/datavgen.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/generic/datavgen.cpp
   3 // Purpose:     wxDataViewCtrl generic implementation
   4 // Author:      Robert Roebling
   5 // Modified by: Francesco Montorsi, Guru Kathiresan, Bo Yang
   6 // Id:          $Id$
   7 // Copyright:   (c) 1998 Robert Roebling
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #if wxUSE_DATAVIEWCTRL
  19
  20 #include "wx/dataview.h"
  21
  22 #ifdef wxUSE_GENERICDATAVIEWCTRL
  23
  24 #ifndef WX_PRECOMP
  25     #ifdef __WXMSW__
  26         #include "wx/msw/private.h"
  27         #include "wx/msw/wrapwin.h"
  28         #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
  29     #endif
  30     #include "wx/sizer.h"
  31     #include "wx/log.h"
  32     #include "wx/dcclient.h"
  33     #include "wx/timer.h"
  34     #include "wx/settings.h"
  35     #include "wx/msgdlg.h"
  36     #include "wx/dcscreen.h"
  37     #include "wx/frame.h"
  38 #endif
  39
  40 #include "wx/stockitem.h"
  41 #include "wx/calctrl.h"
  42 #include "wx/popupwin.h"
  43 #include "wx/renderer.h"
  44 #include "wx/dcbuffer.h"
  45 #include "wx/icon.h"
  46 #include "wx/list.h"
  47 #include "wx/listimpl.cpp"
  48 #include "wx/imaglist.h"
  49 #include "wx/headerctrl.h"
  50 #include "wx/dnd.h"
  51
  52 //-----------------------------------------------------------------------------
  53 // classes
  54 //-----------------------------------------------------------------------------
  55
  56 class wxDataViewCtrl;
  57
  58 static const int SCROLL_UNIT_X = 15;
  59
  60 // the cell padding on the left/right
  61 static const int PADDING_RIGHTLEFT = 3;
  62
  63 // the expander space margin
  64 static const int EXPANDER_MARGIN = 4;
  65
  66 #ifdef __WXMSW__
  67 static const int EXPANDER_OFFSET = 4;
  68 #else
  69 static const int EXPANDER_OFFSET = 1;
  70 #endif
  71
  72 // Below is the compare stuff.
  73 // For the generic implementation, both the leaf nodes and the nodes are sorted for
  74 // fast search when needed
  75 static wxDataViewModel* g_model;
  76 static int g_column = -2;
  77 static bool g_asending = true;
  78
  79 //-----------------------------------------------------------------------------
  80 // wxDataViewHeaderWindow
  81 //-----------------------------------------------------------------------------
  82
  83 class wxDataViewHeaderWindow : public wxHeaderCtrl
  84 {
  85 public:
  86     wxDataViewHeaderWindow(wxDataViewCtrl *parent)
  87         : wxHeaderCtrl(parent)
  88     {
  89     }
  90
  91     wxDataViewCtrl *GetOwner() const
  92         { return static_cast<wxDataViewCtrl *>(GetParent()); }
  93
  94 protected:
  95     // implement/override wxHeaderCtrl functions by forwarding them to the main
  96     // control
  97     virtual const wxHeaderColumn& GetColumn(unsigned int idx) const
  98     {
  99         return *(GetOwner()->GetColumn(idx));
 100     }
 101
 102     // FIXME: currently unused
 103     virtual bool UpdateColumnWidthToFit(unsigned int idx, int widthTitle)
 104     {
 105         wxDataViewCtrl * const owner = GetOwner();
 106
 107         int widthContents = owner->GetBestColumnWidth(idx);
 108         owner->GetColumn(idx)->SetWidth(wxMax(widthTitle, widthContents));
 109         owner->OnColumnChange(idx);
 110
 111         return true;
 112     }
 113
 114 private:
 115     bool SendEvent(wxEventType type, unsigned int n)
 116     {
 117         wxDataViewCtrl * const owner = GetOwner();
 118         wxDataViewEvent event(type, owner->GetId());
 119
 120         event.SetEventObject(owner);
 121         event.SetColumn(n);
 122         event.SetDataViewColumn(owner->GetColumn(n));
 123         event.SetModel(owner->GetModel());
 124
 125         // for events created by wxDataViewHeaderWindow the
 126         // row / value fields are not valid
 127         return owner->GetEventHandler()->ProcessEvent(event);
 128     }
 129
 130     void OnClick(wxHeaderCtrlEvent& event)
 131     {
 132         const unsigned idx = event.GetColumn();
 133
 134         if ( SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, idx) )
 135             return;
 136
 137         // default handling for the column click is to sort by this column or
 138         // toggle its sort order
 139         wxDataViewCtrl * const owner = GetOwner();
 140         wxDataViewColumn * const col = owner->GetColumn(idx);
 141         if ( !col->IsSortable() )
 142         {
 143             // no default handling for non-sortable columns
 144             event.Skip();
 145             return;
 146         }
 147
 148         if ( col->IsSortKey() )
 149         {
 150             // already using this column for sorting, just change the order
 151             col->ToggleSortOrder();
 152         }
 153         else // not using this column for sorting yet
 154         {
 155             // first unset the old sort column if any
 156             int oldSortKey = owner->GetSortingColumnIndex();
 157             if ( oldSortKey != wxNOT_FOUND )
 158             {
 159                 owner->GetColumn(oldSortKey)->UnsetAsSortKey();
 160                 owner->OnColumnChange(oldSortKey);
 161             }
 162
 163             owner->SetSortingColumnIndex(idx);
 164             col->SetAsSortKey();
 165         }
 166
 167         wxDataViewModel * const model = owner->GetModel();
 168         if ( model )
 169             model->Resort();
 170
 171         owner->OnColumnChange(idx);
 172     }
 173
 174     void OnRClick(wxHeaderCtrlEvent& event)
 175     {
 176         if ( !SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK,
 177                         event.GetColumn()) )
 178             event.Skip();
 179     }
 180
 181     void OnResize(wxHeaderCtrlEvent& event)
 182     {
 183         wxDataViewCtrl * const owner = GetOwner();
 184
 185         const unsigned col = event.GetColumn();
 186         owner->GetColumn(col)->SetWidth(event.GetWidth());
 187         GetOwner()->OnColumnChange(col);
 188     }
 189
 190     void OnEndReorder(wxHeaderCtrlEvent& event)
 191     {
 192         wxDataViewCtrl * const owner = GetOwner();
 193         owner->ColumnMoved(owner->GetColumn(event.GetColumn()),
 194                         event.GetNewOrder());
 195     }
 196
 197     DECLARE_EVENT_TABLE()
 198     wxDECLARE_NO_COPY_CLASS(wxDataViewHeaderWindow);
 199 };
 200
 201 BEGIN_EVENT_TABLE(wxDataViewHeaderWindow, wxHeaderCtrl)
 202     EVT_HEADER_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnClick)
 203     EVT_HEADER_RIGHT_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnRClick)
 204
 205     EVT_HEADER_RESIZING(wxID_ANY, wxDataViewHeaderWindow::OnResize)
 206     EVT_HEADER_END_RESIZE(wxID_ANY, wxDataViewHeaderWindow::OnResize)
 207
 208     EVT_HEADER_END_REORDER(wxID_ANY, wxDataViewHeaderWindow::OnEndReorder)
 209 END_EVENT_TABLE()
 210
 211 //-----------------------------------------------------------------------------
 212 // wxDataViewRenameTimer
 213 //-----------------------------------------------------------------------------
 214
 215 class wxDataViewRenameTimer: public wxTimer
 216 {
 217 private:
 218     wxDataViewMainWindow *m_owner;
 219
 220 public:
 221     wxDataViewRenameTimer( wxDataViewMainWindow *owner );
 222     void Notify();
 223 };
 224
 225 //-----------------------------------------------------------------------------
 226 // wxDataViewTreeNode
 227 //-----------------------------------------------------------------------------
 228
 229 class wxDataViewTreeNode;
 230 WX_DEFINE_ARRAY( wxDataViewTreeNode *, wxDataViewTreeNodes );
 231 WX_DEFINE_ARRAY( void* , wxDataViewTreeLeaves);
 232
 233 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1,
 234                                            wxDataViewTreeNode ** node2);
 235 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2);
 236
 237 class wxDataViewTreeNode
 238 {
 239 public:
 240     wxDataViewTreeNode( wxDataViewTreeNode * parent = NULL )
 241     {
 242         m_parent = parent;
 243         if (!parent)
 244             m_open = true;
 245         else
 246             m_open = false;
 247         m_hasChildren = false;
 248         m_subTreeCount  = 0;
 249     }
 250
 251     ~wxDataViewTreeNode()
 252     {
 253     }
 254
 255     wxDataViewTreeNode * GetParent() const { return m_parent; }
 256     void SetParent( wxDataViewTreeNode * parent ) { m_parent = parent; }
 257     wxDataViewTreeNodes &  GetNodes() { return m_nodes; }
 258     wxDataViewTreeLeaves & GetChildren() { return m_leaves; }
 259
 260     void AddNode( wxDataViewTreeNode * node )
 261     {
 262         m_leaves.Add( node->GetItem().GetID() );
 263         if (g_column >= -1)
 264             m_leaves.Sort( &wxGenericTreeModelItemCmp );
 265         m_nodes.Add( node );
 266         if (g_column >= -1)
 267             m_nodes.Sort( &wxGenericTreeModelNodeCmp );
 268     }
 269     void AddLeaf( void * leaf )
 270     {
 271         m_leaves.Add( leaf );
 272         if (g_column >= -1)
 273             m_leaves.Sort( &wxGenericTreeModelItemCmp );
 274     }
 275
 276     wxDataViewItem & GetItem() { return m_item; }
 277     const wxDataViewItem & GetItem() const { return m_item; }
 278     void SetItem( const wxDataViewItem & item ) { m_item = item; }
 279
 280     unsigned int GetChildrenNumber() const { return m_leaves.GetCount(); }
 281     unsigned int GetNodeNumber() const { return m_nodes.GetCount(); }
 282     int GetIndentLevel() const
 283     {
 284         int ret = 0;
 285         const wxDataViewTreeNode * node = this;
 286         while( node->GetParent()->GetParent() != NULL )
 287         {
 288             node = node->GetParent();
 289             ret ++;
 290         }
 291         return ret;
 292     }
 293
 294     bool IsOpen() const
 295     {
 296         return m_open;
 297     }
 298
 299     void ToggleOpen()
 300     {
 301         int len = m_nodes.GetCount();
 302         int sum = 0;
 303         for ( int i = 0;i < len; i ++)
 304             sum += m_nodes[i]->GetSubTreeCount();
 305
 306         sum += m_leaves.GetCount();
 307         if (m_open)
 308         {
 309             ChangeSubTreeCount(-sum);
 310             m_open = !m_open;
 311         }
 312         else
 313         {
 314             m_open = !m_open;
 315             ChangeSubTreeCount(sum);
 316         }
 317     }
 318     bool HasChildren() const { return m_hasChildren; }
 319     void SetHasChildren( bool has ){ m_hasChildren = has; }
 320
 321     void SetSubTreeCount( int num ) { m_subTreeCount = num; }
 322     int GetSubTreeCount() const { return m_subTreeCount; }
 323     void ChangeSubTreeCount( int num )
 324     {
 325         if( !m_open )
 326             return;
 327         m_subTreeCount += num;
 328         if( m_parent )
 329             m_parent->ChangeSubTreeCount(num);
 330     }
 331
 332     void Resort()
 333     {
 334         if (g_column >= -1)
 335         {
 336             m_nodes.Sort( &wxGenericTreeModelNodeCmp );
 337             int len = m_nodes.GetCount();
 338             for (int i = 0; i < len; i ++)
 339                 m_nodes[i]->Resort();
 340             m_leaves.Sort( &wxGenericTreeModelItemCmp );
 341         }
 342     }
 343
 344 private:
 345     wxDataViewTreeNode  *m_parent;
 346     wxDataViewTreeNodes  m_nodes;
 347     wxDataViewTreeLeaves m_leaves;
 348     wxDataViewItem       m_item;
 349     bool                 m_open;
 350     bool                 m_hasChildren;
 351     int                  m_subTreeCount;
 352 };
 353
 354 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1,
 355                                            wxDataViewTreeNode ** node2)
 356 {
 357     return g_model->Compare( (*node1)->GetItem(), (*node2)->GetItem(), g_column, g_asending );
 358 }
 359
 360 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2)
 361 {
 362     return g_model->Compare( *id1, *id2, g_column, g_asending );
 363 }
 364
 365
 366 //-----------------------------------------------------------------------------
 367 // wxDataViewMainWindow
 368 //-----------------------------------------------------------------------------
 369
 370 WX_DEFINE_SORTED_USER_EXPORTED_ARRAY_SIZE_T(unsigned int, wxDataViewSelection,
 371                                             WXDLLIMPEXP_ADV);
 372 WX_DECLARE_LIST(wxDataViewItem, ItemList);
 373 WX_DEFINE_LIST(ItemList)
 374
 375 class wxDataViewMainWindow: public wxWindow
 376 {
 377 public:
 378     wxDataViewMainWindow( wxDataViewCtrl *parent,
 379                             wxWindowID id,
 380                             const wxPoint &pos = wxDefaultPosition,
 381                             const wxSize &size = wxDefaultSize,
 382                             const wxString &name = wxT("wxdataviewctrlmainwindow") );
 383     virtual ~wxDataViewMainWindow();
 384
 385     bool IsVirtualList() const { return m_root == NULL; }
 386
 387     // notifications from wxDataViewModel
 388     bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
 389     bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
 390     bool ItemChanged( const wxDataViewItem &item );
 391     bool ValueChanged( const wxDataViewItem &item, unsigned int col );
 392     bool Cleared();
 393     void Resort()
 394     {
 395         if (!IsVirtualList())
 396         {
 397             SortPrepare();
 398             m_root->Resort();
 399         }
 400         UpdateDisplay();
 401     }
 402
 403     void SortPrepare()
 404     {
 405         g_model = GetOwner()->GetModel();
 406         wxDataViewColumn* col = GetOwner()->GetSortingColumn();
 407         if( !col )
 408         {
 409             if (g_model->HasDefaultCompare())
 410                 g_column = -1;
 411             else
 412                 g_column = -2;
 413
 414             g_asending = true;
 415             return;
 416         }
 417         g_column = col->GetModelColumn();
 418         g_asending = col->IsSortOrderAscending();
 419     }
 420
 421     void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
 422     wxDataViewCtrl *GetOwner() { return m_owner; }
 423     const wxDataViewCtrl *GetOwner() const { return m_owner; }
 424
 425 #if wxUSE_DRAG_AND_DROP
 426     wxBitmap CreateItemBitmap( unsigned int row, int &indent );
 427 #endif // wxUSE_DRAG_AND_DROP
 428     void OnPaint( wxPaintEvent &event );
 429     void OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event);
 430     void OnChar( wxKeyEvent &event );
 431     void OnMouse( wxMouseEvent &event );
 432     void OnSetFocus( wxFocusEvent &event );
 433     void OnKillFocus( wxFocusEvent &event );
 434
 435     void UpdateDisplay();
 436     void RecalculateDisplay();
 437     void OnInternalIdle();
 438
 439     void OnRenameTimer();
 440
 441     void ScrollWindow( int dx, int dy, const wxRect *rect = NULL );
 442     void ScrollTo( int rows, int column );
 443
 444     bool HasCurrentRow() { return m_currentRow != (unsigned int)-1; }
 445     void ChangeCurrentRow( unsigned int row );
 446
 447     bool IsSingleSel() const { return !GetParent()->HasFlag(wxDV_MULTIPLE); }
 448     bool IsEmpty() { return GetRowCount() == 0; }
 449
 450     int GetCountPerPage() const;
 451     int GetEndOfLastCol() const;
 452     unsigned int GetFirstVisibleRow() const;
 453
 454     // I change this method to un const because in the tree view,
 455     // the displaying number of the tree are changing along with the
 456     // expanding/collapsing of the tree nodes
 457     unsigned int GetLastVisibleRow();
 458     unsigned int GetRowCount();
 459
 460     wxDataViewItem GetSelection() const;
 461     wxDataViewSelection GetSelections(){ return m_selection; }
 462     void SetSelections( const wxDataViewSelection & sel )
 463         { m_selection = sel; UpdateDisplay(); }
 464     void Select( const wxArrayInt& aSelections );
 465     void SelectAllRows( bool on );
 466     void SelectRow( unsigned int row, bool on );
 467     void SelectRows( unsigned int from, unsigned int to, bool on );
 468     void ReverseRowSelection( unsigned int row );
 469     bool IsRowSelected( unsigned int row );
 470     void SendSelectionChangedEvent( const wxDataViewItem& item);
 471
 472     void RefreshRow( unsigned int row );
 473     void RefreshRows( unsigned int from, unsigned int to );
 474     void RefreshRowsAfter( unsigned int firstRow );
 475
 476     // returns the colour to be used for drawing the rules
 477     wxColour GetRuleColour() const
 478     {
 479         return wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
 480     }
 481
 482     wxRect GetLineRect( unsigned int row ) const;
 483
 484     int GetLineStart( unsigned int row ) const;  // row * m_lineHeight in fixed mode
 485     int GetLineHeight( unsigned int row ) const; // m_lineHeight in fixed mode
 486     int GetLineAt( unsigned int y ) const;       // y / m_lineHeight in fixed mode
 487
 488     // Some useful functions for row and item mapping
 489     wxDataViewItem GetItemByRow( unsigned int row ) const;
 490     int GetRowByItem( const wxDataViewItem & item ) const;
 491
 492     // Methods for building the mapping tree
 493     void BuildTree( wxDataViewModel  * model );
 494     void DestroyTree();
 495     void HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column );
 496     wxRect GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column );
 497
 498     void Expand( unsigned int row );
 499     void Collapse( unsigned int row );
 500     bool IsExpanded( unsigned int row ) const;
 501     bool HasChildren( unsigned int row ) const;
 502
 503 #if wxUSE_DRAG_AND_DROP
 504     bool EnableDragSource( const wxDataFormat &format );
 505     bool EnableDropTarget( const wxDataFormat &format );
 506
 507     void RemoveDropHint();
 508     wxDragResult OnDragOver( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def );
 509     bool OnDrop( wxDataFormat format, wxCoord x, wxCoord y );
 510     wxDragResult OnData( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def );
 511     void OnLeave();
 512 #endif // wxUSE_DRAG_AND_DROP
 513
 514 private:
 515     wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row ) const;
 516     // We did not need this temporarily
 517     // wxDataViewTreeNode * GetTreeNodeByItem( const wxDataViewItem & item );
 518
 519     int RecalculateCount();
 520
 521     wxDataViewEvent SendExpanderEvent( wxEventType type, const wxDataViewItem & item );
 522
 523     wxDataViewTreeNode * FindNode( const wxDataViewItem & item );
 524
 525 private:
 526     wxDataViewCtrl             *m_owner;
 527     int                         m_lineHeight;
 528     bool                        m_dirty;
 529
 530     wxDataViewColumn           *m_currentCol;
 531     unsigned int                m_currentRow;
 532     wxDataViewSelection         m_selection;
 533
 534     wxDataViewRenameTimer      *m_renameTimer;
 535     bool                        m_lastOnSame;
 536
 537     bool                        m_hasFocus;
 538
 539 #if wxUSE_DRAG_AND_DROP
 540     int                         m_dragCount;
 541     wxPoint                     m_dragStart;
 542
 543     bool                        m_dragEnabled;
 544     wxDataFormat                m_dragFormat;
 545
 546     bool                        m_dropEnabled;
 547     wxDataFormat                m_dropFormat;
 548     bool                        m_dropHint;
 549     unsigned int                m_dropHintLine;
 550 #endif // wxUSE_DRAG_AND_DROP
 551
 552     // for double click logic
 553     unsigned int m_lineLastClicked,
 554         m_lineBeforeLastClicked,
 555         m_lineSelectSingleOnUp;
 556
 557     // the pen used to draw horiz/vertical rules
 558     wxPen m_penRule;
 559
 560     // the pen used to draw the expander and the lines
 561     wxPen m_penExpander;
 562
 563     // This is the tree structure of the model
 564     wxDataViewTreeNode * m_root;
 565     int m_count;
 566
 567     // This is the tree node under the cursor
 568     wxDataViewTreeNode * m_underMouse;
 569
 570 private:
 571     DECLARE_DYNAMIC_CLASS(wxDataViewMainWindow)
 572     DECLARE_EVENT_TABLE()
 573 };
 574
 575 // ---------------------------------------------------------
 576 // wxGenericDataViewModelNotifier
 577 // ---------------------------------------------------------
 578
 579 class wxGenericDataViewModelNotifier: public wxDataViewModelNotifier
 580 {
 581 public:
 582     wxGenericDataViewModelNotifier( wxDataViewMainWindow *mainWindow )
 583         { m_mainWindow = mainWindow; }
 584
 585     virtual bool ItemAdded( const wxDataViewItem & parent, const wxDataViewItem & item )
 586         { return m_mainWindow->ItemAdded( parent , item ); }
 587     virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
 588         { return m_mainWindow->ItemDeleted( parent, item ); }
 589     virtual bool ItemChanged( const wxDataViewItem & item )
 590         { return m_mainWindow->ItemChanged(item);  }
 591     virtual bool ValueChanged( const wxDataViewItem & item , unsigned int col )
 592         { return m_mainWindow->ValueChanged( item, col ); }
 593     virtual bool Cleared()
 594         { return m_mainWindow->Cleared(); }
 595     virtual void Resort()
 596         { m_mainWindow->Resort(); }
 597
 598     wxDataViewMainWindow    *m_mainWindow;
 599 };
 600
 601 // ---------------------------------------------------------
 602 // wxDataViewRenderer
 603 // ---------------------------------------------------------
 604
 605 IMPLEMENT_ABSTRACT_CLASS(wxDataViewRenderer, wxDataViewRendererBase)
 606
 607 wxDataViewRenderer::wxDataViewRenderer( const wxString &varianttype,
 608                                         wxDataViewCellMode mode,
 609                                         int align) :
 610     wxDataViewRendererBase( varianttype, mode, align )
 611 {
 612     m_dc = NULL;
 613     m_align = align;
 614     m_mode = mode;
 615 }
 616
 617 wxDataViewRenderer::~wxDataViewRenderer()
 618 {
 619     if (m_dc)
 620         delete m_dc;
 621 }
 622
 623 wxDC *wxDataViewRenderer::GetDC()
 624 {
 625     if (m_dc == NULL)
 626     {
 627         if (GetOwner() == NULL)
 628             return NULL;
 629         if (GetOwner()->GetOwner() == NULL)
 630             return NULL;
 631         m_dc = new wxClientDC( GetOwner()->GetOwner() );
 632     }
 633
 634     return m_dc;
 635 }
 636
 637 void wxDataViewRenderer::SetAlignment( int align )
 638 {
 639     m_align=align;
 640 }
 641
 642 int wxDataViewRenderer::GetAlignment() const
 643 {
 644     return m_align;
 645 }
 646
 647 int wxDataViewRenderer::CalculateAlignment() const
 648 {
 649     if (m_align == wxDVR_DEFAULT_ALIGNMENT)
 650     {
 651         if (GetOwner() == NULL)
 652         return wxALIGN_LEFT | wxALIGN_CENTRE_VERTICAL;
 653
 654         return GetOwner()->GetAlignment() | wxALIGN_CENTRE_VERTICAL;
 655     }
 656
 657     return m_align;
 658 }
 659
 660 // ---------------------------------------------------------
 661 // wxDataViewCustomRenderer
 662 // ---------------------------------------------------------
 663
 664 IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
 665
 666 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
 667                         wxDataViewCellMode mode, int align ) :
 668     wxDataViewRenderer( varianttype, mode, align )
 669 {
 670 }
 671
 672 void wxDataViewCustomRenderer::RenderText( const wxString &text, int xoffset,
 673                                            wxRect cell, wxDC *dc, int state )
 674 {
 675     wxColour col = state & wxDATAVIEW_CELL_SELECTED
 676                     ? wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT)
 677                     : GetOwner()->GetOwner()->GetForegroundColour();
 678
 679     wxDataViewItemAttr attr;
 680     attr.SetColour(col);
 681     RenderText(*dc, cell, text, &attr, state, xoffset);
 682 }
 683
 684 void
 685 wxDataViewCustomRenderer::RenderText(wxDC& dc,
 686                                      const wxRect& rect,
 687                                      const wxString& text,
 688                                      const wxDataViewItemAttr *attr,
 689                                      int WXUNUSED(state),
 690                                      int xoffset)
 691 {
 692     wxDCTextColourChanger changeFg(dc);
 693     if ( attr && attr->HasColour() )
 694         changeFg.Set(attr->GetColour());
 695
 696     wxDCFontChanger changeFont(dc);
 697     if ( attr && attr->HasFont() )
 698     {
 699         wxFont font(dc.GetFont());
 700         if ( attr->GetBold() )
 701             font.MakeBold();
 702         if ( attr->GetItalic() )
 703             font.MakeItalic();
 704
 705         changeFont.Set(font);
 706     }
 707
 708     dc.DrawText(text,
 709                 rect.x + xoffset,
 710                 rect.y + ((rect.height - dc.GetCharHeight()) / 2));
 711 }
 712
 713 // ---------------------------------------------------------
 714 // wxDataViewTextRenderer
 715 // ---------------------------------------------------------
 716
 717 IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewCustomRenderer)
 718
 719 wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype,
 720                                                 wxDataViewCellMode mode, int align ) :
 721     wxDataViewCustomRenderer( varianttype, mode, align )
 722 {
 723 }
 724
 725 bool wxDataViewTextRenderer::SetValue( const wxVariant &value )
 726 {
 727     m_text = value.GetString();
 728
 729     return true;
 730 }
 731
 732 bool wxDataViewTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
 733 {
 734     return false;
 735 }
 736
 737 bool wxDataViewTextRenderer::HasEditorCtrl() const
 738 {
 739     return true;
 740 }
 741
 742 wxControl* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent,
 743         wxRect labelRect, const wxVariant &value )
 744 {
 745     wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, value,
 746                                        wxPoint(labelRect.x,labelRect.y),
 747                                        wxSize(labelRect.width,labelRect.height) );
 748
 749     // select the text in the control an place the cursor at the end
 750     ctrl->SetInsertionPointEnd();
 751     ctrl->SelectAll();
 752
 753     return ctrl;
 754 }
 755
 756 bool wxDataViewTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant &value )
 757 {
 758     wxTextCtrl *text = (wxTextCtrl*) editor;
 759     value = text->GetValue();
 760     return true;
 761 }
 762
 763 bool
 764 wxDataViewTextRenderer::RenderWithAttr(wxDC& dc,
 765                                        const wxRect& rect,
 766                                        const wxDataViewItemAttr *attr,
 767                                        int state)
 768 {
 769     RenderText(dc, rect, m_text, attr, state);
 770     return true;
 771 }
 772
 773 wxSize wxDataViewTextRenderer::GetSize() const
 774 {
 775     const wxDataViewCtrl *view = GetView();
 776     if (!m_text.empty())
 777         return view->wxWindowBase::GetTextExtent( m_text );
 778     return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE);
 779 }
 780
 781 // ---------------------------------------------------------
 782 // wxDataViewBitmapRenderer
 783 // ---------------------------------------------------------
 784
 785 IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewCustomRenderer)
 786
 787 wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype,
 788                                                     wxDataViewCellMode mode, int align ) :
 789     wxDataViewCustomRenderer( varianttype, mode, align )
 790 {
 791 }
 792
 793 bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
 794 {
 795     if (value.GetType() == wxT("wxBitmap"))
 796         m_bitmap << value;
 797     if (value.GetType() == wxT("wxIcon"))
 798         m_icon << value;
 799
 800     return true;
 801 }
 802
 803 bool wxDataViewBitmapRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
 804 {
 805     return false;
 806 }
 807
 808 bool wxDataViewBitmapRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 809 {
 810     if (m_bitmap.Ok())
 811         dc->DrawBitmap( m_bitmap, cell.x, cell.y );
 812     else if (m_icon.Ok())
 813         dc->DrawIcon( m_icon, cell.x, cell.y );
 814
 815     return true;
 816 }
 817
 818 wxSize wxDataViewBitmapRenderer::GetSize() const
 819 {
 820     if (m_bitmap.Ok())
 821         return wxSize( m_bitmap.GetWidth(), m_bitmap.GetHeight() );
 822     else if (m_icon.Ok())
 823         return wxSize( m_icon.GetWidth(), m_icon.GetHeight() );
 824
 825     return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE);
 826 }
 827
 828 // ---------------------------------------------------------
 829 // wxDataViewToggleRenderer
 830 // ---------------------------------------------------------
 831
 832 IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleRenderer, wxDataViewCustomRenderer)
 833
 834 wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
 835                         wxDataViewCellMode mode, int align ) :
 836     wxDataViewCustomRenderer( varianttype, mode, align )
 837 {
 838     m_toggle = false;
 839 }
 840
 841 bool wxDataViewToggleRenderer::SetValue( const wxVariant &value )
 842 {
 843     m_toggle = value.GetBool();
 844
 845     return true;
 846 }
 847
 848 bool wxDataViewToggleRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
 849 {
 850     return false;
 851 }
 852
 853 bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 854 {
 855     int flags = 0;
 856     if (m_toggle)
 857         flags |= wxCONTROL_CHECKED;
 858     if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE)
 859         flags |= wxCONTROL_DISABLED;
 860
 861     wxRendererNative::Get().DrawCheckBox(
 862             GetOwner()->GetOwner(),
 863             *dc,
 864             cell,
 865             flags );
 866
 867     return true;
 868 }
 869
 870 bool wxDataViewToggleRenderer::Activate( wxRect WXUNUSED(cell),
 871                                         wxDataViewModel *model,
 872                                         const wxDataViewItem & item, unsigned int col)
 873 {
 874     bool value = !m_toggle;
 875     wxVariant variant = value;
 876     model->SetValue( variant, item, col);
 877     model->ValueChanged( item, col );
 878     return true;
 879 }
 880
 881 wxSize wxDataViewToggleRenderer::GetSize() const
 882 {
 883     // the window parameter is not used by GetCheckBoxSize() so it's
 884     // safe to pass NULL
 885     return wxRendererNative::Get().GetCheckBoxSize(NULL);
 886 }
 887
 888 // ---------------------------------------------------------
 889 // wxDataViewProgressRenderer
 890 // ---------------------------------------------------------
 891
 892 IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressRenderer, wxDataViewCustomRenderer)
 893
 894 wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
 895     const wxString &varianttype, wxDataViewCellMode mode, int align ) :
 896     wxDataViewCustomRenderer( varianttype, mode, align )
 897 {
 898     m_label = label;
 899     m_value = 0;
 900 }
 901
 902 wxDataViewProgressRenderer::~wxDataViewProgressRenderer()
 903 {
 904 }
 905
 906 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
 907 {
 908     m_value = (long) value;
 909
 910     if (m_value < 0) m_value = 0;
 911     if (m_value > 100) m_value = 100;
 912
 913     return true;
 914 }
 915
 916 bool wxDataViewProgressRenderer::GetValue( wxVariant &value ) const
 917 {
 918     value = (long) m_value;
 919     return true;
 920 }
 921
 922 bool wxDataViewProgressRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 923 {
 924     double pct = (double)m_value / 100.0;
 925     wxRect bar = cell;
 926     bar.width = (int)(cell.width * pct);
 927     dc->SetPen( *wxTRANSPARENT_PEN );
 928     dc->SetBrush( *wxBLUE_BRUSH );
 929     dc->DrawRectangle( bar );
 930
 931     dc->SetBrush( *wxTRANSPARENT_BRUSH );
 932     dc->SetPen( *wxBLACK_PEN );
 933     dc->DrawRectangle( cell );
 934
 935     return true;
 936 }
 937
 938 wxSize wxDataViewProgressRenderer::GetSize() const
 939 {
 940     return wxSize(40,12);
 941 }
 942
 943 // ---------------------------------------------------------
 944 // wxDataViewDateRenderer
 945 // ---------------------------------------------------------
 946
 947 #define wxUSE_DATE_RENDERER_POPUP (wxUSE_CALENDARCTRL && wxUSE_POPUPWIN)
 948
 949 #if wxUSE_DATE_RENDERER_POPUP
 950
 951 class wxDataViewDateRendererPopupTransient: public wxPopupTransientWindow
 952 {
 953 public:
 954     wxDataViewDateRendererPopupTransient( wxWindow* parent, wxDateTime *value,
 955         wxDataViewModel *model, const wxDataViewItem & item, unsigned int col) :
 956         wxPopupTransientWindow( parent, wxBORDER_SIMPLE ),
 957         m_item( item )
 958     {
 959         m_model = model;
 960         m_col = col;
 961         m_cal = new wxCalendarCtrl( this, wxID_ANY, *value );
 962         wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL );
 963         sizer->Add( m_cal, 1, wxGROW );
 964         SetSizer( sizer );
 965         sizer->Fit( this );
 966     }
 967
 968     void OnCalendar( wxCalendarEvent &event );
 969
 970     wxCalendarCtrl      *m_cal;
 971     wxDataViewModel *m_model;
 972     unsigned int               m_col;
 973     const wxDataViewItem &   m_item;
 974
 975 protected:
 976     virtual void OnDismiss()
 977     {
 978     }
 979
 980 private:
 981     DECLARE_EVENT_TABLE()
 982 };
 983
 984 BEGIN_EVENT_TABLE(wxDataViewDateRendererPopupTransient,wxPopupTransientWindow)
 985     EVT_CALENDAR( wxID_ANY, wxDataViewDateRendererPopupTransient::OnCalendar )
 986 END_EVENT_TABLE()
 987
 988 void wxDataViewDateRendererPopupTransient::OnCalendar( wxCalendarEvent &event )
 989 {
 990     wxDateTime date = event.GetDate();
 991     wxVariant value = date;
 992     m_model->SetValue( value, m_item, m_col );
 993     m_model->ValueChanged( m_item, m_col );
 994     DismissAndNotify();
 995 }
 996
 997 #endif // wxUSE_DATE_RENDERER_POPUP
 998
 999 IMPLEMENT_ABSTRACT_CLASS(wxDataViewDateRenderer, wxDataViewCustomRenderer)
1000
1001 wxDataViewDateRenderer::wxDataViewDateRenderer( const wxString &varianttype,
1002                         wxDataViewCellMode mode, int align ) :
1003     wxDataViewCustomRenderer( varianttype, mode, align )
1004 {
1005 }
1006
1007 bool wxDataViewDateRenderer::SetValue( const wxVariant &value )
1008 {
1009     m_date = value.GetDateTime();
1010
1011     return true;
1012 }
1013
1014 bool wxDataViewDateRenderer::GetValue( wxVariant &value ) const
1015 {
1016     value = m_date;
1017     return true;
1018 }
1019
1020 bool wxDataViewDateRenderer::Render( wxRect cell, wxDC *dc, int state )
1021 {
1022     wxString tmp = m_date.FormatDate();
1023     RenderText( tmp, 0, cell, dc, state );
1024     return true;
1025 }
1026
1027 wxSize wxDataViewDateRenderer::GetSize() const
1028 {
1029     const wxDataViewCtrl* view = GetView();
1030     wxString tmp = m_date.FormatDate();
1031     wxCoord x,y,d;
1032     view->GetTextExtent( tmp, &x, &y, &d );
1033     return wxSize(x,y+d);
1034 }
1035
1036 bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewModel *model,
1037                                     const wxDataViewItem & item, unsigned int col )
1038 {
1039     wxVariant variant;
1040     model->GetValue( variant, item, col );
1041     wxDateTime value = variant.GetDateTime();
1042
1043 #if wxUSE_DATE_RENDERER_POPUP
1044     wxDataViewDateRendererPopupTransient *popup = new wxDataViewDateRendererPopupTransient(
1045         GetOwner()->GetOwner()->GetParent(), &value, model, item, col);
1046     wxPoint pos = wxGetMousePosition();
1047     popup->Move( pos );
1048     popup->Layout();
1049     popup->Popup( popup->m_cal );
1050 #else // !wxUSE_DATE_RENDERER_POPUP
1051     wxMessageBox(value.Format());
1052 #endif // wxUSE_DATE_RENDERER_POPUP/!wxUSE_DATE_RENDERER_POPUP
1053     return true;
1054 }
1055
1056 // ---------------------------------------------------------
1057 // wxDataViewIconTextRenderer
1058 // ---------------------------------------------------------
1059
1060 IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewCustomRenderer)
1061
1062 wxDataViewIconTextRenderer::wxDataViewIconTextRenderer(
1063 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
1064     wxDataViewCustomRenderer( varianttype, mode, align )
1065 {
1066     SetMode(mode);
1067     SetAlignment(align);
1068 }
1069
1070 wxDataViewIconTextRenderer::~wxDataViewIconTextRenderer()
1071 {
1072 }
1073
1074 bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
1075 {
1076     m_value << value;
1077     return true;
1078 }
1079
1080 bool wxDataViewIconTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
1081 {
1082     return false;
1083 }
1084
1085 bool wxDataViewIconTextRenderer::Render( wxRect cell, wxDC *dc, int state )
1086 {
1087     int xoffset = 0;
1088     const wxIcon &icon = m_value.GetIcon();
1089     if (icon.IsOk())
1090     {
1091         dc->DrawIcon( icon, cell.x, cell.y + ((cell.height - icon.GetHeight()) / 2));
1092         xoffset =  icon.GetWidth()+4;
1093     }
1094
1095     RenderText( m_value.GetText(), xoffset, cell, dc, state );
1096
1097     return true;
1098 }
1099
1100 wxSize wxDataViewIconTextRenderer::GetSize() const
1101 {
1102     const wxDataViewCtrl *view = GetView();
1103     if (!m_value.GetText().empty())
1104     {
1105         int x,y;
1106         view->GetTextExtent( m_value.GetText(), &x, &y );
1107
1108         if (m_value.GetIcon().IsOk())
1109             x += m_value.GetIcon().GetWidth() + 4;
1110         return wxSize( x, y );
1111     }
1112     return wxSize(80,20);
1113 }
1114
1115 wxControl* wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow *parent, wxRect labelRect, const wxVariant& value)
1116 {
1117     wxDataViewIconText iconText;
1118     iconText << value;
1119
1120     wxString text = iconText.GetText();
1121
1122     // adjust the label rect to take the width of the icon into account
1123     if (iconText.GetIcon().IsOk())
1124     {
1125         int w = iconText.GetIcon().GetWidth() + 4;
1126         labelRect.x += w;
1127         labelRect.width -= w;
1128     }
1129
1130     wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, text,
1131                                        wxPoint(labelRect.x,labelRect.y),
1132                                        wxSize(labelRect.width,labelRect.height) );
1133
1134     // select the text in the control an place the cursor at the end
1135     ctrl->SetInsertionPointEnd();
1136     ctrl->SelectAll();
1137
1138     return ctrl;
1139 }
1140
1141 bool wxDataViewIconTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant& value )
1142 {
1143     wxTextCtrl *text = (wxTextCtrl*) editor;
1144
1145     wxDataViewIconText iconText(text->GetValue(), m_value.GetIcon());
1146     value << iconText;
1147     return true;
1148 }
1149
1150 //-----------------------------------------------------------------------------
1151 // wxDataViewDropTarget
1152 //-----------------------------------------------------------------------------
1153
1154 #if wxUSE_DRAG_AND_DROP
1155
1156 class wxBitmapCanvas: public wxWindow
1157 {
1158 public:
1159     wxBitmapCanvas( wxWindow *parent, const wxBitmap &bitmap, const wxSize &size ) :
1160     wxWindow( parent, wxID_ANY, wxPoint(0,0), size )
1161     {
1162         m_bitmap = bitmap;
1163         Connect( wxEVT_PAINT, wxPaintEventHandler(wxBitmapCanvas::OnPaint) );
1164     }
1165
1166     void OnPaint( wxPaintEvent &WXUNUSED(event) )
1167     {
1168         wxPaintDC dc(this);
1169         dc.DrawBitmap( m_bitmap, 0, 0);
1170     }
1171
1172     wxBitmap m_bitmap;
1173 };
1174
1175 class wxDataViewDropSource: public wxDropSource
1176 {
1177 public:
1178     wxDataViewDropSource( wxDataViewMainWindow *win, unsigned int row ) :
1179         wxDropSource( win )
1180     {
1181         m_win = win;
1182         m_row = row;
1183         m_hint = NULL;
1184     }
1185
1186     ~wxDataViewDropSource()
1187     {
1188         delete m_hint;
1189     }
1190
1191     virtual bool GiveFeedback( wxDragResult WXUNUSED(effect) )
1192     {
1193         wxPoint pos = wxGetMousePosition();
1194
1195         if (!m_hint)
1196         {
1197             int liney = m_win->GetLineStart( m_row );
1198             int linex = 0;
1199             m_win->GetOwner()->CalcUnscrolledPosition( 0, liney, NULL, &liney );
1200             m_win->ClientToScreen( &linex, &liney );
1201             m_dist_x = pos.x - linex;
1202             m_dist_y = pos.y - liney;
1203
1204             int indent = 0;
1205             wxBitmap ib = m_win->CreateItemBitmap( m_row, indent );
1206             m_dist_x -= indent;
1207             m_hint = new wxFrame( m_win->GetParent(), wxID_ANY, wxEmptyString,
1208                                         wxPoint(pos.x - m_dist_x, pos.y + 5 ),
1209                                         ib.GetSize(),
1210                                         wxFRAME_TOOL_WINDOW |
1211                                         wxFRAME_FLOAT_ON_PARENT |
1212                                         wxFRAME_NO_TASKBAR |
1213                                         wxNO_BORDER );
1214             new wxBitmapCanvas( m_hint, ib, ib.GetSize() );
1215             m_hint->Show();
1216         }
1217         else
1218         {
1219             m_hint->Move( pos.x - m_dist_x, pos.y + 5  );
1220             m_hint->SetTransparent( 128 );
1221         }
1222
1223         return false;
1224     }
1225
1226     wxDataViewMainWindow   *m_win;
1227     unsigned int            m_row;
1228     wxFrame                *m_hint;
1229     int m_dist_x,m_dist_y;
1230 };
1231
1232
1233 class wxDataViewDropTarget: public wxDropTarget
1234 {
1235 public:
1236     wxDataViewDropTarget( wxDataObject *obj, wxDataViewMainWindow *win ) :
1237         wxDropTarget( obj )
1238     {
1239         m_win = win;
1240     }
1241
1242     virtual wxDragResult OnDragOver( wxCoord x, wxCoord y, wxDragResult def )
1243     {
1244         wxDataFormat format = GetMatchingPair();
1245         if (format == wxDF_INVALID)
1246             return wxDragNone;
1247         return m_win->OnDragOver( format, x, y, def);
1248     }
1249
1250     virtual bool OnDrop( wxCoord x, wxCoord y )
1251     {
1252         wxDataFormat format = GetMatchingPair();
1253         if (format == wxDF_INVALID)
1254             return false;
1255         return m_win->OnDrop( format, x, y );
1256     }
1257
1258     virtual wxDragResult OnData( wxCoord x, wxCoord y, wxDragResult def )
1259     {
1260         wxDataFormat format = GetMatchingPair();
1261         if (format == wxDF_INVALID)
1262             return wxDragNone;
1263         if (!GetData())
1264             return wxDragNone;
1265         return m_win->OnData( format, x, y, def );
1266     }
1267
1268     virtual void OnLeave()
1269         { m_win->OnLeave(); }
1270
1271     wxDataViewMainWindow   *m_win;
1272 };
1273
1274 #endif // wxUSE_DRAG_AND_DROP
1275
1276 //-----------------------------------------------------------------------------
1277 // wxDataViewRenameTimer
1278 //-----------------------------------------------------------------------------
1279
1280 wxDataViewRenameTimer::wxDataViewRenameTimer( wxDataViewMainWindow *owner )
1281 {
1282     m_owner = owner;
1283 }
1284
1285 void wxDataViewRenameTimer::Notify()
1286 {
1287     m_owner->OnRenameTimer();
1288 }
1289
1290 //-----------------------------------------------------------------------------
1291 // wxDataViewMainWindow
1292 //-----------------------------------------------------------------------------
1293
1294 // The tree building helper, declared firstly
1295 static void BuildTreeHelper( wxDataViewModel * model,  wxDataViewItem & item,
1296                              wxDataViewTreeNode * node);
1297
1298 int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )
1299 {
1300     if (row1 > row2) return 1;
1301     if (row1 == row2) return 0;
1302     return -1;
1303 }
1304
1305 IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
1306
1307 BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
1308     EVT_PAINT         (wxDataViewMainWindow::OnPaint)
1309     EVT_MOUSE_EVENTS  (wxDataViewMainWindow::OnMouse)
1310     EVT_SET_FOCUS     (wxDataViewMainWindow::OnSetFocus)
1311     EVT_KILL_FOCUS    (wxDataViewMainWindow::OnKillFocus)
1312     EVT_CHAR          (wxDataViewMainWindow::OnChar)
1313 END_EVENT_TABLE()
1314
1315 wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
1316     const wxPoint &pos, const wxSize &size, const wxString &name ) :
1317     wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE, name ),
1318     m_selection( wxDataViewSelectionCmp )
1319
1320 {
1321     SetOwner( parent );
1322
1323     m_lastOnSame = false;
1324     m_renameTimer = new wxDataViewRenameTimer( this );
1325
1326     // TODO: user better initial values/nothing selected
1327     m_currentCol = NULL;
1328     m_currentRow = 0;
1329
1330     m_lineHeight = wxMax( 17, GetCharHeight() + 2 ); // 17 = mini icon height + 1
1331
1332 #if wxUSE_DRAG_AND_DROP
1333     m_dragCount = 0;
1334     m_dragStart = wxPoint(0,0);
1335
1336     m_dragEnabled = false;
1337     m_dropEnabled = false;
1338     m_dropHint = false;
1339     m_dropHintLine = (unsigned int) -1;
1340 #endif // wxUSE_DRAG_AND_DROP
1341
1342     m_lineLastClicked = (unsigned int) -1;
1343     m_lineBeforeLastClicked = (unsigned int) -1;
1344     m_lineSelectSingleOnUp = (unsigned int) -1;
1345
1346     m_hasFocus = false;
1347
1348     SetBackgroundColour( *wxWHITE );
1349
1350     SetBackgroundStyle(wxBG_STYLE_CUSTOM);
1351
1352     m_penRule = wxPen(GetRuleColour());
1353
1354     // compose a pen whichcan draw black lines
1355     // TODO: maybe there is something system colour to use
1356     m_penExpander = wxPen(wxColour(0,0,0));
1357
1358     m_root = new wxDataViewTreeNode( NULL );
1359     m_root->SetHasChildren(true);
1360
1361     // Make m_count = -1 will cause the class recaculate the real displaying number of rows.
1362     m_count = -1;
1363     m_underMouse = NULL;
1364     UpdateDisplay();
1365 }
1366
1367 wxDataViewMainWindow::~wxDataViewMainWindow()
1368 {
1369     DestroyTree();
1370     delete m_renameTimer;
1371 }
1372
1373
1374 #if wxUSE_DRAG_AND_DROP
1375 bool wxDataViewMainWindow::EnableDragSource( const wxDataFormat &format )
1376 {
1377     m_dragFormat = format;
1378     m_dragEnabled = format != wxDF_INVALID;
1379
1380     return true;
1381 }
1382
1383 bool wxDataViewMainWindow::EnableDropTarget( const wxDataFormat &format )
1384 {
1385     m_dropFormat = format;
1386     m_dropEnabled = format != wxDF_INVALID;
1387
1388     if (m_dropEnabled)
1389         SetDropTarget( new wxDataViewDropTarget( new wxCustomDataObject( format ), this ) );
1390
1391     return true;
1392 }
1393
1394 void wxDataViewMainWindow::RemoveDropHint()
1395 {
1396     if (m_dropHint)
1397     {
1398             m_dropHint = false;
1399             RefreshRow( m_dropHintLine );
1400             m_dropHintLine = (unsigned int) -1;
1401     }
1402 }
1403
1404 wxDragResult wxDataViewMainWindow::OnDragOver( wxDataFormat format, wxCoord x,
1405                                                wxCoord y, wxDragResult def )
1406 {
1407     int xx = x;
1408     int yy = y;
1409     m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1410     unsigned int row = GetLineAt( yy );
1411
1412     if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1413     {
1414         RemoveDropHint();
1415         return wxDragNone;
1416     }
1417
1418     wxDataViewItem item = GetItemByRow( row );
1419
1420     wxDataViewModel *model = GetOwner()->GetModel();
1421
1422     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1423     event.SetEventObject( m_owner );
1424     event.SetItem( item );
1425     event.SetModel( model );
1426     event.SetDataFormat( format );
1427     if (!m_owner->HandleWindowEvent( event ))
1428     {
1429         RemoveDropHint();
1430         return wxDragNone;
1431     }
1432
1433     if (!event.IsAllowed())
1434     {
1435         RemoveDropHint();
1436         return wxDragNone;
1437     }
1438
1439
1440     if (m_dropHint && (row != m_dropHintLine))
1441         RefreshRow( m_dropHintLine );
1442     m_dropHint = true;
1443     m_dropHintLine = row;
1444     RefreshRow( row );
1445
1446     return def;
1447 }
1448
1449 bool wxDataViewMainWindow::OnDrop( wxDataFormat format, wxCoord x, wxCoord y )
1450 {
1451     RemoveDropHint();
1452
1453     int xx = x;
1454     int yy = y;
1455     m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1456     unsigned int row = GetLineAt( yy );
1457
1458     if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1459         return false;
1460
1461     wxDataViewItem item = GetItemByRow( row );
1462
1463     wxDataViewModel *model = GetOwner()->GetModel();
1464
1465     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1466     event.SetEventObject( m_owner );
1467     event.SetItem( item );
1468     event.SetModel( model );
1469     event.SetDataFormat( format );
1470     if (!m_owner->HandleWindowEvent( event ))
1471         return false;
1472
1473     if (!event.IsAllowed())
1474         return false;
1475
1476     return true;
1477 }
1478
1479 wxDragResult wxDataViewMainWindow::OnData( wxDataFormat format, wxCoord x, wxCoord y,
1480                                            wxDragResult def )
1481 {
1482     int xx = x;
1483     int yy = y;
1484     m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1485     unsigned int row = GetLineAt( yy );
1486
1487     if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1488         return wxDragNone;
1489
1490     wxDataViewItem item = GetItemByRow( row );
1491
1492     wxDataViewModel *model = GetOwner()->GetModel();
1493
1494     wxCustomDataObject *obj = (wxCustomDataObject *) GetDropTarget()->GetDataObject();
1495
1496     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, m_owner->GetId() );
1497     event.SetEventObject( m_owner );
1498     event.SetItem( item );
1499     event.SetModel( model );
1500     event.SetDataFormat( format );
1501     event.SetDataSize( obj->GetSize() );
1502     event.SetDataBuffer( obj->GetData() );
1503     if (!m_owner->HandleWindowEvent( event ))
1504         return wxDragNone;
1505
1506     if (!event.IsAllowed())
1507         return wxDragNone;
1508
1509     return def;
1510 }
1511
1512 void wxDataViewMainWindow::OnLeave()
1513 {
1514     RemoveDropHint();
1515 }
1516
1517 wxBitmap wxDataViewMainWindow::CreateItemBitmap( unsigned int row, int &indent )
1518 {
1519     int height = GetLineHeight( row );
1520     int width = 0;
1521     unsigned int cols = GetOwner()->GetColumnCount();
1522     unsigned int col;
1523     for (col = 0; col < cols; col++)
1524     {
1525         wxDataViewColumn *column = GetOwner()->GetColumnAt(col);
1526         if (column->IsHidden())
1527             continue;      // skip it!
1528         width += column->GetWidth();
1529     }
1530
1531     indent = 0;
1532     if (!IsVirtualList())
1533     {
1534         wxDataViewTreeNode *node = GetTreeNodeByRow(row);
1535         indent = GetOwner()->GetIndent() * node->GetIndentLevel();
1536         indent = indent + m_lineHeight;
1537             // try to use the m_lineHeight as the expander space
1538
1539         if(!node->HasChildren())
1540             delete node;
1541     }
1542     width -= indent;
1543
1544     wxBitmap bitmap( width, height );
1545     wxMemoryDC dc( bitmap );
1546     dc.SetFont( GetFont() );
1547     dc.SetPen( *wxBLACK_PEN );
1548     dc.SetBrush( *wxWHITE_BRUSH );
1549     dc.DrawRectangle( 0,0,width,height );
1550
1551     wxDataViewModel *model = m_owner->GetModel();
1552
1553     wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
1554     if (!expander)
1555     {
1556         // TODO-RTL: last column for RTL support
1557         expander = GetOwner()->GetColumnAt( 0 );
1558         GetOwner()->SetExpanderColumn(expander);
1559     }
1560
1561
1562     int x = 0;
1563     for (col = 0; col < cols; col++)
1564     {
1565         wxDataViewColumn *column = GetOwner()->GetColumnAt( col );
1566         wxDataViewRenderer *cell = column->GetRenderer();
1567
1568         if (column->IsHidden())
1569             continue;       // skip it!
1570
1571         width = column->GetWidth();
1572
1573         if (column == expander)
1574             width -= indent;
1575
1576         wxVariant value;
1577         wxDataViewItem item = GetItemByRow( row );
1578         model->GetValue( value, item, column->GetModelColumn());
1579         cell->SetValue( value );
1580
1581         wxSize size = cell->GetSize();
1582         size.x = wxMin( 2*PADDING_RIGHTLEFT + size.x, width );
1583         size.y = height;
1584         wxRect item_rect(x, 0, size.x, size.y);
1585
1586         int align = cell->CalculateAlignment();
1587         // horizontal alignment:
1588         item_rect.x = x;
1589         if (align & wxALIGN_CENTER_HORIZONTAL)
1590             item_rect.x = x + (width / 2) - (size.x / 2);
1591         else if (align & wxALIGN_RIGHT)
1592             item_rect.x = x + width - size.x;
1593         // else: wxALIGN_LEFT is the default
1594
1595         // vertical alignment:
1596         item_rect.y = 0;
1597         if (align & wxALIGN_CENTER_VERTICAL)
1598             item_rect.y = (height / 2) - (size.y / 2);
1599         else if (align & wxALIGN_BOTTOM)
1600             item_rect.y = height - size.y;
1601         // else: wxALIGN_TOP is the default
1602
1603         // add padding
1604         item_rect.x += PADDING_RIGHTLEFT;
1605         item_rect.width = size.x - 2 * PADDING_RIGHTLEFT;
1606
1607         // dc.SetClippingRegion( item_rect );
1608         wxDataViewItemAttr attr;
1609         const bool
1610             hasAttr = model->GetAttr(item, column->GetModelColumn(), attr);
1611         cell->RenderWithAttr(dc, item_rect, hasAttr ? &attr : NULL, 0);
1612         // dc.DestroyClippingRegion();
1613
1614         x += width;
1615     }
1616
1617     return bitmap;
1618 }
1619
1620 #endif // wxUSE_DRAG_AND_DROP
1621
1622
1623 void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1624 {
1625     wxDataViewModel *model = GetOwner()->GetModel();
1626     wxAutoBufferedPaintDC dc( this );
1627
1628 #ifdef __WXMSW__
1629     dc.SetBrush(GetOwner()->GetBackgroundColour());
1630     dc.SetPen( *wxTRANSPARENT_PEN );
1631     dc.DrawRectangle(GetClientSize());
1632 #endif
1633
1634     // prepare the DC
1635     GetOwner()->PrepareDC( dc );
1636     dc.SetFont( GetFont() );
1637
1638     wxRect update = GetUpdateRegion().GetBox();
1639     m_owner->CalcUnscrolledPosition( update.x, update.y, &update.x, &update.y );
1640
1641     // compute which items needs to be redrawn
1642     unsigned int item_start = GetLineAt( wxMax(0,update.y) );
1643     unsigned int item_count =
1644         wxMin( (int)(  GetLineAt( wxMax(0,update.y+update.height) ) - item_start + 1),
1645             (int)(GetRowCount( ) - item_start));
1646     unsigned int item_last = item_start + item_count;
1647     // Get the parent of DataViewCtrl
1648     wxWindow *parent = GetParent()->GetParent();
1649     wxDataViewEvent cache_event(wxEVT_COMMAND_DATAVIEW_CACHE_HINT, parent->GetId());
1650     cache_event.SetEventObject(GetParent());
1651     cache_event.SetCache(item_start, item_last - 1);
1652     parent->ProcessWindowEvent(cache_event);
1653
1654     // compute which columns needs to be redrawn
1655     unsigned int cols = GetOwner()->GetColumnCount();
1656     unsigned int col_start = 0;
1657     unsigned int x_start;
1658     for (x_start = 0; col_start < cols; col_start++)
1659     {
1660         wxDataViewColumn *col = GetOwner()->GetColumnAt(col_start);
1661         if (col->IsHidden())
1662             continue;      // skip it!
1663
1664         unsigned int w = col->GetWidth();
1665         if (x_start+w >= (unsigned int)update.x)
1666             break;
1667
1668         x_start += w;
1669     }
1670
1671     unsigned int col_last = col_start;
1672     unsigned int x_last = x_start;
1673     for (; col_last < cols; col_last++)
1674     {
1675         wxDataViewColumn *col = GetOwner()->GetColumnAt(col_last);
1676         if (col->IsHidden())
1677             continue;      // skip it!
1678
1679         if (x_last > (unsigned int)update.GetRight())
1680             break;
1681
1682         x_last += col->GetWidth();
1683     }
1684
1685     // Draw horizontal rules if required
1686     if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
1687     {
1688         dc.SetPen(m_penRule);
1689         dc.SetBrush(*wxTRANSPARENT_BRUSH);
1690
1691         for (unsigned int i = item_start; i <= item_last; i++)
1692         {
1693             int y = GetLineStart( i );
1694             dc.DrawLine(x_start, y, x_last, y);
1695         }
1696     }
1697
1698     // Draw vertical rules if required
1699     if ( m_owner->HasFlag(wxDV_VERT_RULES) )
1700     {
1701         dc.SetPen(m_penRule);
1702         dc.SetBrush(*wxTRANSPARENT_BRUSH);
1703
1704         int x = x_start;
1705         for (unsigned int i = col_start; i < col_last; i++)
1706         {
1707             wxDataViewColumn *col = GetOwner()->GetColumnAt(i);
1708             if (col->IsHidden())
1709                 continue;       // skip it
1710
1711             dc.DrawLine(x, GetLineStart( item_start ),
1712                         x, GetLineStart( item_last ) );
1713
1714             x += col->GetWidth();
1715         }
1716
1717         // Draw last vertical rule
1718         dc.DrawLine(x, GetLineStart( item_start ),
1719                     x, GetLineStart( item_last ) );
1720     }
1721
1722     // redraw the background for the items which are selected/current
1723     for (unsigned int item = item_start; item < item_last; item++)
1724     {
1725         bool selected = m_selection.Index( item ) != wxNOT_FOUND;
1726         if (selected || item == m_currentRow)
1727         {
1728             int flags = selected ? (int)wxCONTROL_SELECTED : 0;
1729             if (item == m_currentRow)
1730                 flags |= wxCONTROL_CURRENT;
1731             if (m_hasFocus)
1732                 flags |= wxCONTROL_FOCUSED;
1733
1734             wxRect rect( x_start, GetLineStart( item ), x_last, GetLineHeight( item ) );
1735             wxRendererNative::Get().DrawItemSelectionRect
1736                                 (
1737                                     this,
1738                                     dc,
1739                                     rect,
1740                                     flags
1741                                 );
1742         }
1743     }
1744
1745 #if wxUSE_DRAG_AND_DROP
1746     if (m_dropHint)
1747     {
1748         wxRect rect( x_start, GetLineStart( m_dropHintLine ),
1749                     x_last, GetLineHeight( m_dropHintLine ) );
1750         dc.SetPen( *wxBLACK_PEN );
1751         dc.SetBrush( *wxTRANSPARENT_BRUSH );
1752         dc.DrawRectangle( rect );
1753     }
1754 #endif // wxUSE_DRAG_AND_DROP
1755
1756     wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
1757     if (!expander)
1758     {
1759         // TODO-RTL: last column for RTL support
1760         expander = GetOwner()->GetColumnAt( 0 );
1761         GetOwner()->SetExpanderColumn(expander);
1762     }
1763
1764     // redraw all cells for all rows which must be repainted and all columns
1765     wxRect cell_rect;
1766     cell_rect.x = x_start;
1767     for (unsigned int i = col_start; i < col_last; i++)
1768     {
1769         wxDataViewColumn *col = GetOwner()->GetColumnAt( i );
1770         wxDataViewRenderer *cell = col->GetRenderer();
1771         cell_rect.width = col->GetWidth();
1772
1773         if (col->IsHidden())
1774             continue;       // skip it!
1775
1776         for (unsigned int item = item_start; item < item_last; item++)
1777         {
1778             // get the cell value and set it into the renderer
1779             wxVariant value;
1780             wxDataViewTreeNode *node = NULL;
1781             wxDataViewItem dataitem;
1782
1783             if (!IsVirtualList())
1784             {
1785                 node = GetTreeNodeByRow(item);
1786                 if( node == NULL )
1787                     continue;
1788
1789                 dataitem = node->GetItem();
1790
1791                 if ((i > 0) && model->IsContainer(dataitem) &&
1792                     !model->HasContainerColumns(dataitem))
1793                     continue;
1794             }
1795             else
1796             {
1797                 dataitem = wxDataViewItem( wxUIntToPtr(item+1) );
1798             }
1799
1800             model->GetValue( value, dataitem, col->GetModelColumn());
1801             cell->SetValue( value );
1802
1803             // update cell_rect
1804             cell_rect.y = GetLineStart( item );
1805             cell_rect.height = GetLineHeight( item );
1806
1807             // Draw the expander here.
1808             int indent = 0;
1809             if ((!IsVirtualList()) && (col == expander))
1810             {
1811                 indent = node->GetIndentLevel();
1812
1813                 // Calculate the indent first
1814                 indent = cell_rect.x + GetOwner()->GetIndent() * indent;
1815
1816                 int expander_width = m_lineHeight - 2*EXPANDER_MARGIN;
1817
1818                 // change the cell_rect.x to the appropriate pos
1819                 int expander_x = indent + EXPANDER_MARGIN;
1820                 int expander_y = cell_rect.y + EXPANDER_MARGIN + (GetLineHeight(item) / 2)
1821                                  - (expander_width/2) - EXPANDER_OFFSET;
1822
1823                 indent = indent + m_lineHeight;
1824                     // try to use the m_lineHeight as the expander space
1825
1826                 dc.SetPen( m_penExpander );
1827                 dc.SetBrush( wxNullBrush );
1828                 if( node->HasChildren() )
1829                 {
1830                     wxRect rect( expander_x , expander_y, expander_width, expander_width);
1831                     int flag = 0;
1832                     if (m_underMouse == node)
1833                     {
1834                         flag |= wxCONTROL_CURRENT;
1835                     }
1836                     if( node->IsOpen() )
1837                         wxRendererNative::Get().DrawTreeItemButton( this, dc, rect,
1838                                                                     flag|wxCONTROL_EXPANDED );
1839                     else
1840                         wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);
1841                 }
1842
1843                 // force the expander column to left-center align
1844                 cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
1845             }
1846             if (node && !node->HasChildren())
1847             {
1848                 // Yes, if the node does not have any child, it must be a leaf which
1849                 // mean that it is a temporarily created by GetTreeNodeByRow
1850                 wxDELETE(node);
1851             }
1852
1853             // cannot be bigger than allocated space
1854             wxSize size = cell->GetSize();
1855
1856             // Because of the tree structure indent, here we should minus the width
1857             // of the cell for drawing
1858             size.x = wxMin( size.x + 2*PADDING_RIGHTLEFT, cell_rect.width - indent );
1859             // size.y = wxMin( size.y, cell_rect.height );
1860             size.y = cell_rect.height;
1861
1862             wxRect item_rect(cell_rect.GetTopLeft(), size);
1863             int align = cell->CalculateAlignment();
1864
1865             // horizontal alignment:
1866             item_rect.x = cell_rect.x;
1867             if (align & wxALIGN_CENTER_HORIZONTAL)
1868                 item_rect.x = cell_rect.x + (cell_rect.width / 2) - (size.x / 2);
1869             else if (align & wxALIGN_RIGHT)
1870                 item_rect.x = cell_rect.x + cell_rect.width - size.x;
1871             // else: wxALIGN_LEFT is the default
1872
1873             // vertical alignment:
1874             item_rect.y = cell_rect.y;
1875             if (align & wxALIGN_CENTER_VERTICAL)
1876                 item_rect.y = cell_rect.y + (cell_rect.height / 2) - (size.y / 2);
1877             else if (align & wxALIGN_BOTTOM)
1878                 item_rect.y = cell_rect.y + cell_rect.height - size.y;
1879             // else: wxALIGN_TOP is the default
1880
1881             // add padding
1882             item_rect.x += PADDING_RIGHTLEFT;
1883             item_rect.width = size.x - 2 * PADDING_RIGHTLEFT;
1884
1885             // Here we add the tree indent
1886             item_rect.x += indent;
1887
1888             int state = 0;
1889             if (m_hasFocus && (m_selection.Index(item) != wxNOT_FOUND))
1890                 state |= wxDATAVIEW_CELL_SELECTED;
1891
1892             // TODO: it would be much more efficient to create a clipping
1893             //       region for the entire column being rendered (in the OnPaint
1894             //       of wxDataViewMainWindow) instead of a single clip region for
1895             //       each cell. However it would mean that each renderer should
1896             //       respect the given wxRect's top & bottom coords, eventually
1897             //       violating only the left & right coords - however the user can
1898             //       make its own renderer and thus we cannot be sure of that.
1899             dc.SetClippingRegion( item_rect );
1900
1901             wxDataViewItemAttr attr;
1902             const bool
1903                 hasAttr = model->GetAttr(dataitem, col->GetModelColumn(), attr);
1904             cell->RenderWithAttr(dc, item_rect, hasAttr ? &attr : NULL, state);
1905
1906             dc.DestroyClippingRegion();
1907         }
1908
1909         cell_rect.x += cell_rect.width;
1910     }
1911 }
1912
1913 void wxDataViewMainWindow::OnRenameTimer()
1914 {
1915     // We have to call this here because changes may just have
1916     // been made and no screen update taken place.
1917     if ( m_dirty )
1918     {
1919         // TODO: use wxTheApp->SafeYieldFor(NULL, wxEVT_CATEGORY_UI) instead
1920         //       (needs to be tested!)
1921         wxSafeYield();
1922     }
1923
1924     wxDataViewItem item = GetItemByRow( m_currentRow );
1925
1926     wxRect labelRect = GetItemRect(item, m_currentCol);
1927
1928     m_currentCol->GetRenderer()->StartEditing( item, labelRect );
1929 }
1930
1931 //-----------------------------------------------------------------------------
1932 // Helper class for do operation on the tree node
1933 //-----------------------------------------------------------------------------
1934 class DoJob
1935 {
1936 public:
1937     DoJob() { }
1938     virtual ~DoJob() { }
1939
1940     // The return value control how the tree-walker tranverse the tree
1941     // 0: Job done, stop tranverse and return
1942     // 1: Ignore the current node's subtree and continue
1943     // 2: Job not done, continue
1944     enum  { OK = 0 , IGR = 1, CONT = 2 };
1945     virtual int operator() ( wxDataViewTreeNode * node ) = 0;
1946     virtual int operator() ( void * n ) = 0;
1947 };
1948
1949 bool Walker( wxDataViewTreeNode * node, DoJob & func )
1950 {
1951     if( node==NULL )
1952         return false;
1953
1954     switch( func( node ) )
1955     {
1956         case DoJob::OK :
1957             return true;
1958         case DoJob::IGR:
1959             return false;
1960         case DoJob::CONT:
1961         default:
1962             ;
1963     }
1964
1965     wxDataViewTreeNodes nodes = node->GetNodes();
1966     wxDataViewTreeLeaves leaves = node->GetChildren();
1967
1968     int len_nodes = nodes.GetCount();
1969     int len = leaves.GetCount();
1970     int i = 0, nodes_i = 0;
1971
1972     for(; i < len; i ++ )
1973     {
1974         void * n = leaves[i];
1975         if( nodes_i < len_nodes && n == nodes[nodes_i]->GetItem().GetID() )
1976         {
1977             wxDataViewTreeNode * nd = nodes[nodes_i];
1978             nodes_i++;
1979
1980             if( Walker( nd , func ) )
1981                 return true;
1982
1983         }
1984         else
1985             switch( func( n ) )
1986             {
1987                 case DoJob::OK :
1988                     return true;
1989                 case DoJob::IGR:
1990                     continue;
1991                 case DoJob::CONT:
1992                 default:
1993                 ;
1994             }
1995     }
1996     return false;
1997 }
1998
1999 bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
2000 {
2001     if (IsVirtualList())
2002     {
2003         wxDataViewVirtualListModel *list_model =
2004             (wxDataViewVirtualListModel*) GetOwner()->GetModel();
2005         m_count = list_model->GetCount();
2006         UpdateDisplay();
2007         return true;
2008     }
2009
2010     SortPrepare();
2011
2012     wxDataViewTreeNode * node;
2013     node = FindNode(parent);
2014
2015     if( node == NULL )
2016         return false;
2017
2018     node->SetHasChildren( true );
2019
2020     if( g_model->IsContainer( item ) )
2021     {
2022         wxDataViewTreeNode * newnode = new wxDataViewTreeNode( node );
2023         newnode->SetItem(item);
2024         newnode->SetHasChildren( true );
2025         node->AddNode( newnode);
2026     }
2027     else
2028         node->AddLeaf( item.GetID() );
2029
2030     node->ChangeSubTreeCount(1);
2031
2032     m_count = -1;
2033     UpdateDisplay();
2034
2035     return true;
2036 }
2037
2038 static void DestroyTreeHelper( wxDataViewTreeNode * node);
2039
2040 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
2041                                        const wxDataViewItem& item)
2042 {
2043     if (IsVirtualList())
2044     {
2045         wxDataViewVirtualListModel *list_model =
2046             (wxDataViewVirtualListModel*) GetOwner()->GetModel();
2047         m_count = list_model->GetCount();
2048
2049         if( m_currentRow > GetRowCount() )
2050             m_currentRow = m_count - 1;
2051
2052         // TODO: why empty the entire selection?
2053         m_selection.Empty();
2054
2055         UpdateDisplay();
2056
2057         return true;
2058     }
2059
2060     wxDataViewTreeNode * node = FindNode(parent);
2061
2062     wxCHECK_MSG( node != NULL, false, "item not found" );
2063     wxCHECK_MSG( node->GetChildren().Index( item.GetID() ) != wxNOT_FOUND,
2064                  false, "item not found" );
2065
2066     int sub = -1;
2067     node->GetChildren().Remove( item.GetID() );
2068     // Manipolate selection
2069     if( m_selection.GetCount() > 1 )
2070     {
2071         m_selection.Empty();
2072     }
2073     bool isContainer = false;
2074     wxDataViewTreeNodes nds = node->GetNodes();
2075     for (size_t i = 0; i < nds.GetCount(); i ++)
2076     {
2077         if (nds[i]->GetItem() == item)
2078         {
2079             isContainer = true;
2080             break;
2081         }
2082     }
2083     if( isContainer )
2084     {
2085         wxDataViewTreeNode * n = NULL;
2086         wxDataViewTreeNodes nodes = node->GetNodes();
2087         int len = nodes.GetCount();
2088         for( int i = 0; i < len; i ++)
2089         {
2090             if( nodes[i]->GetItem() == item )
2091             {
2092                 n = nodes[i];
2093                 break;
2094             }
2095         }
2096
2097         wxCHECK_MSG( n != NULL, false, "item not found" );
2098
2099         node->GetNodes().Remove( n );
2100         sub -= n->GetSubTreeCount();
2101         ::DestroyTreeHelper(n);
2102     }
2103     // Make the row number invalid and get a new valid one when user call GetRowCount
2104     m_count = -1;
2105     node->ChangeSubTreeCount(sub);
2106
2107     // Change the current row to the last row if the current exceed the max row number
2108     if( m_currentRow > GetRowCount() )
2109         m_currentRow = m_count - 1;
2110
2111     UpdateDisplay();
2112
2113     return true;
2114 }
2115
2116 bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
2117 {
2118     SortPrepare();
2119     g_model->Resort();
2120
2121     // Send event
2122     wxWindow *parent = GetParent();
2123     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2124     le.SetEventObject(parent);
2125     le.SetModel(GetOwner()->GetModel());
2126     le.SetItem(item);
2127     parent->GetEventHandler()->ProcessEvent(le);
2128
2129     return true;
2130 }
2131
2132 bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int col )
2133 {
2134     // NOTE: to be valid, we cannot use e.g. INT_MAX - 1
2135 /*#define MAX_VIRTUAL_WIDTH       100000
2136
2137     wxRect rect( 0, row*m_lineHeight, MAX_VIRTUAL_WIDTH, m_lineHeight );
2138     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2139     Refresh( true, &rect );
2140
2141     return true;
2142 */
2143     SortPrepare();
2144     g_model->Resort();
2145
2146     // Send event
2147     wxWindow *parent = GetParent();
2148     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2149     le.SetEventObject(parent);
2150     le.SetModel(GetOwner()->GetModel());
2151     le.SetItem(item);
2152     le.SetColumn(col);
2153     le.SetDataViewColumn(GetOwner()->GetColumn(col));
2154     parent->GetEventHandler()->ProcessEvent(le);
2155
2156     return true;
2157 }
2158
2159 bool wxDataViewMainWindow::Cleared()
2160 {
2161     DestroyTree();
2162
2163     SortPrepare();
2164     BuildTree( GetOwner()->GetModel() );
2165
2166     UpdateDisplay();
2167
2168     return true;
2169 }
2170
2171 void wxDataViewMainWindow::UpdateDisplay()
2172 {
2173     m_dirty = true;
2174 }
2175
2176 void wxDataViewMainWindow::OnInternalIdle()
2177 {
2178     wxWindow::OnInternalIdle();
2179
2180     if (m_dirty)
2181     {
2182         RecalculateDisplay();
2183         m_dirty = false;
2184     }
2185 }
2186
2187 void wxDataViewMainWindow::RecalculateDisplay()
2188 {
2189     wxDataViewModel *model = GetOwner()->GetModel();
2190     if (!model)
2191     {
2192         Refresh();
2193         return;
2194     }
2195
2196     int width = GetEndOfLastCol();
2197     int height = GetLineStart( GetRowCount() );
2198
2199     SetVirtualSize( width, height );
2200     GetOwner()->SetScrollRate( 10, m_lineHeight );
2201
2202     Refresh();
2203 }
2204
2205 void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
2206 {
2207     wxWindow::ScrollWindow( dx, dy, rect );
2208
2209     if (GetOwner()->m_headerArea)
2210         GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
2211 }
2212
2213 void wxDataViewMainWindow::ScrollTo( int rows, int column )
2214 {
2215     int x, y;
2216     m_owner->GetScrollPixelsPerUnit( &x, &y );
2217     int sy = GetLineStart( rows )/y;
2218     int sx = 0;
2219     if( column != -1 )
2220     {
2221         wxRect rect = GetClientRect();
2222         int colnum = 0;
2223         int x_start, w = 0;
2224         int xx, yy, xe;
2225         m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy );
2226         for (x_start = 0; colnum < column; colnum++)
2227         {
2228             wxDataViewColumn *col = GetOwner()->GetColumnAt(colnum);
2229             if (col->IsHidden())
2230                 continue;      // skip it!
2231
2232             w = col->GetWidth();
2233             x_start += w;
2234         }
2235
2236         int x_end = x_start + w;
2237         xe = xx + rect.width;
2238         if( x_end > xe )
2239         {
2240             sx = ( xx + x_end - xe )/x;
2241         }
2242         if( x_start < xx )
2243         {
2244             sx = x_start/x;
2245         }
2246     }
2247     m_owner->Scroll( sx, sy );
2248 }
2249
2250 int wxDataViewMainWindow::GetCountPerPage() const
2251 {
2252     wxSize size = GetClientSize();
2253     return size.y / m_lineHeight;
2254 }
2255
2256 int wxDataViewMainWindow::GetEndOfLastCol() const
2257 {
2258     int width = 0;
2259     unsigned int i;
2260     for (i = 0; i < GetOwner()->GetColumnCount(); i++)
2261     {
2262         const wxDataViewColumn *c =
2263             const_cast<wxDataViewCtrl*>(GetOwner())->GetColumnAt( i );
2264
2265         if (!c->IsHidden())
2266             width += c->GetWidth();
2267     }
2268     return width;
2269 }
2270
2271 unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
2272 {
2273     int x = 0;
2274     int y = 0;
2275     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
2276
2277     return GetLineAt( y );
2278 }
2279
2280 unsigned int wxDataViewMainWindow::GetLastVisibleRow()
2281 {
2282     wxSize client_size = GetClientSize();
2283     m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
2284                                     &client_size.x, &client_size.y );
2285
2286     // we should deal with the pixel here
2287     unsigned int row = GetLineAt(client_size.y) - 1;
2288
2289     return wxMin( GetRowCount()-1, row );
2290 }
2291
2292 unsigned int wxDataViewMainWindow::GetRowCount()
2293 {
2294     if ( m_count == -1 )
2295     {
2296         m_count = RecalculateCount();
2297         UpdateDisplay();
2298     }
2299     return m_count;
2300 }
2301
2302 void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
2303 {
2304     m_currentRow = row;
2305
2306     // send event
2307 }
2308
2309 void wxDataViewMainWindow::SelectAllRows( bool on )
2310 {
2311     if (IsEmpty())
2312         return;
2313
2314     if (on)
2315     {
2316         m_selection.Clear();
2317         for (unsigned int i = 0; i < GetRowCount(); i++)
2318             m_selection.Add( i );
2319         Refresh();
2320     }
2321     else
2322     {
2323         unsigned int first_visible = GetFirstVisibleRow();
2324         unsigned int last_visible = GetLastVisibleRow();
2325         unsigned int i;
2326         for (i = 0; i < m_selection.GetCount(); i++)
2327         {
2328             unsigned int row = m_selection[i];
2329             if ((row >= first_visible) && (row <= last_visible))
2330                 RefreshRow( row );
2331         }
2332         m_selection.Clear();
2333     }
2334 }
2335
2336 void wxDataViewMainWindow::SelectRow( unsigned int row, bool on )
2337 {
2338     if (m_selection.Index( row ) == wxNOT_FOUND)
2339     {
2340         if (on)
2341         {
2342             m_selection.Add( row );
2343             RefreshRow( row );
2344         }
2345     }
2346     else
2347     {
2348         if (!on)
2349         {
2350             m_selection.Remove( row );
2351             RefreshRow( row );
2352         }
2353     }
2354 }
2355
2356 void wxDataViewMainWindow::SelectRows( unsigned int from, unsigned int to, bool on )
2357 {
2358     if (from > to)
2359     {
2360         unsigned int tmp = from;
2361         from = to;
2362         to = tmp;
2363     }
2364
2365     unsigned int i;
2366     for (i = from; i <= to; i++)
2367     {
2368         if (m_selection.Index( i ) == wxNOT_FOUND)
2369         {
2370             if (on)
2371                 m_selection.Add( i );
2372         }
2373         else
2374         {
2375             if (!on)
2376                 m_selection.Remove( i );
2377         }
2378     }
2379     RefreshRows( from, to );
2380 }
2381
2382 void wxDataViewMainWindow::Select( const wxArrayInt& aSelections )
2383 {
2384     for (size_t i=0; i < aSelections.GetCount(); i++)
2385     {
2386         int n = aSelections[i];
2387
2388         m_selection.Add( n );
2389         RefreshRow( n );
2390     }
2391 }
2392
2393 void wxDataViewMainWindow::ReverseRowSelection( unsigned int row )
2394 {
2395     if (m_selection.Index( row ) == wxNOT_FOUND)
2396         m_selection.Add( row );
2397     else
2398         m_selection.Remove( row );
2399     RefreshRow( row );
2400 }
2401
2402 bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
2403 {
2404     return (m_selection.Index( row ) != wxNOT_FOUND);
2405 }
2406
2407 void wxDataViewMainWindow::SendSelectionChangedEvent( const wxDataViewItem& item)
2408 {
2409     wxWindow *parent = GetParent();
2410     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, parent->GetId());
2411
2412     le.SetEventObject(parent);
2413     le.SetModel(GetOwner()->GetModel());
2414     le.SetItem( item );
2415
2416     parent->GetEventHandler()->ProcessEvent(le);
2417 }
2418
2419 void wxDataViewMainWindow::RefreshRow( unsigned int row )
2420 {
2421     wxRect rect( 0, GetLineStart( row ), GetEndOfLastCol(), GetLineHeight( row ) );
2422     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2423
2424     wxSize client_size = GetClientSize();
2425     wxRect client_rect( 0, 0, client_size.x, client_size.y );
2426     wxRect intersect_rect = client_rect.Intersect( rect );
2427     if (intersect_rect.width > 0)
2428         Refresh( true, &intersect_rect );
2429 }
2430
2431 void wxDataViewMainWindow::RefreshRows( unsigned int from, unsigned int to )
2432 {
2433     if (from > to)
2434     {
2435         unsigned int tmp = to;
2436         to = from;
2437         from = tmp;
2438     }
2439
2440     wxRect rect( 0, GetLineStart( from ), GetEndOfLastCol(), GetLineStart( (to-from+1) ) );
2441     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2442
2443     wxSize client_size = GetClientSize();
2444     wxRect client_rect( 0, 0, client_size.x, client_size.y );
2445     wxRect intersect_rect = client_rect.Intersect( rect );
2446     if (intersect_rect.width > 0)
2447         Refresh( true, &intersect_rect );
2448 }
2449
2450 void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
2451 {
2452     wxSize client_size = GetClientSize();
2453     int start = GetLineStart( firstRow );
2454     m_owner->CalcScrolledPosition( start, 0, &start, NULL );
2455     if (start > client_size.y) return;
2456
2457     wxRect rect( 0, start, client_size.x, client_size.y - start );
2458
2459     Refresh( true, &rect );
2460 }
2461
2462 void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event)
2463 {
2464     wxCHECK_RET( newCurrent < GetRowCount(),
2465                 wxT("invalid item index in OnArrowChar()") );
2466
2467     // if there is no selection, we cannot move it anywhere
2468     if (!HasCurrentRow())
2469         return;
2470
2471     unsigned int oldCurrent = m_currentRow;
2472
2473     // in single selection we just ignore Shift as we can't select several
2474     // items anyhow
2475     if ( event.ShiftDown() && !IsSingleSel() )
2476     {
2477         RefreshRow( oldCurrent );
2478
2479         ChangeCurrentRow( newCurrent );
2480
2481         // select all the items between the old and the new one
2482         if ( oldCurrent > newCurrent )
2483         {
2484             newCurrent = oldCurrent;
2485             oldCurrent = m_currentRow;
2486         }
2487
2488         SelectRows( oldCurrent, newCurrent, true );
2489         if (oldCurrent!=newCurrent)
2490             SendSelectionChangedEvent(GetItemByRow(m_selection[0]));
2491     }
2492     else // !shift
2493     {
2494         RefreshRow( oldCurrent );
2495
2496         // all previously selected items are unselected unless ctrl is held
2497         if ( !event.ControlDown() )
2498             SelectAllRows(false);
2499
2500         ChangeCurrentRow( newCurrent );
2501
2502         if ( !event.ControlDown() )
2503         {
2504             SelectRow( m_currentRow, true );
2505             SendSelectionChangedEvent(GetItemByRow(m_currentRow));
2506         }
2507         else
2508             RefreshRow( m_currentRow );
2509     }
2510
2511     GetOwner()->EnsureVisible( m_currentRow, -1 );
2512 }
2513
2514 wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
2515 {
2516     wxRect rect;
2517     rect.x = 0;
2518     rect.y = GetLineStart( row );
2519     rect.width = GetEndOfLastCol();
2520     rect.height = GetLineHeight( row );
2521
2522     return rect;
2523 }
2524
2525 int wxDataViewMainWindow::GetLineStart( unsigned int row ) const
2526 {
2527     const wxDataViewModel *model = GetOwner()->GetModel();
2528
2529     if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2530     {
2531         // TODO make more efficient
2532
2533         int start = 0;
2534
2535         unsigned int r;
2536         for (r = 0; r < row; r++)
2537         {
2538             const wxDataViewTreeNode* node = GetTreeNodeByRow(r);
2539             if (!node) return start;
2540
2541             wxDataViewItem item = node->GetItem();
2542
2543             if (node && !node->HasChildren())
2544             {
2545                 // Yes, if the node does not have any child, it must be a leaf which
2546                 // mean that it is a temporarily created by GetTreeNodeByRow
2547                 wxDELETE(node);
2548             }
2549
2550             unsigned int cols = GetOwner()->GetColumnCount();
2551             unsigned int col;
2552             int height = m_lineHeight;
2553             for (col = 0; col < cols; col++)
2554             {
2555                 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2556                 if (column->IsHidden())
2557                     continue;      // skip it!
2558
2559                 if ((col != 0) &&
2560                     model->IsContainer(item) &&
2561                     !model->HasContainerColumns(item))
2562                     continue;      // skip it!
2563
2564                 wxVariant value;
2565                 model->GetValue( value, item, column->GetModelColumn() );
2566
2567                 wxDataViewRenderer *renderer =
2568                     const_cast<wxDataViewRenderer*>(column->GetRenderer());
2569                 renderer->SetValue( value );
2570                 height = wxMax( height, renderer->GetSize().y );
2571             }
2572
2573             start += height;
2574         }
2575
2576         return start;
2577     }
2578     else
2579     {
2580         return row * m_lineHeight;
2581     }
2582 }
2583
2584 int wxDataViewMainWindow::GetLineAt( unsigned int y ) const
2585 {
2586     const wxDataViewModel *model = GetOwner()->GetModel();
2587
2588     // check for the easy case first
2589     if ( !GetOwner()->HasFlag(wxDV_VARIABLE_LINE_HEIGHT) )
2590         return y / m_lineHeight;
2591
2592     // TODO make more efficient
2593     unsigned int row = 0;
2594     unsigned int yy = 0;
2595     for (;;)
2596     {
2597         const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2598         if (!node)
2599         {
2600             // not really correct...
2601             return row + ((y-yy) / m_lineHeight);
2602         }
2603
2604         wxDataViewItem item = node->GetItem();
2605
2606         if (node && !node->HasChildren())
2607         {
2608             // Yes, if the node does not have any child, it must be a leaf which
2609             // mean that it is a temporarily created by GetTreeNodeByRow
2610             wxDELETE(node);
2611         }
2612
2613         unsigned int cols = GetOwner()->GetColumnCount();
2614         unsigned int col;
2615         int height = m_lineHeight;
2616         for (col = 0; col < cols; col++)
2617         {
2618             const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2619             if (column->IsHidden())
2620                 continue;      // skip it!
2621
2622             if ((col != 0) &&
2623                 model->IsContainer(item) &&
2624                 !model->HasContainerColumns(item))
2625                 continue;      // skip it!
2626
2627             wxVariant value;
2628             model->GetValue( value, item, column->GetModelColumn() );
2629
2630             wxDataViewRenderer *renderer =
2631                 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2632             renderer->SetValue( value );
2633             height = wxMax( height, renderer->GetSize().y );
2634         }
2635
2636         yy += height;
2637         if (y < yy)
2638             return row;
2639
2640         row++;
2641     }
2642 }
2643
2644 int wxDataViewMainWindow::GetLineHeight( unsigned int row ) const
2645 {
2646     const wxDataViewModel *model = GetOwner()->GetModel();
2647
2648     if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2649     {
2650         wxASSERT( !IsVirtualList() );
2651
2652         const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2653         // wxASSERT( node );
2654         if (!node) return m_lineHeight;
2655
2656         wxDataViewItem item = node->GetItem();
2657
2658         if (node && !node->HasChildren())
2659         {
2660                 // Yes, if the node does not have any child, it must be a leaf which
2661                 // mean that it is a temporarily created by GetTreeNodeByRow
2662             wxDELETE(node);
2663         }
2664
2665         int height = m_lineHeight;
2666
2667         unsigned int cols = GetOwner()->GetColumnCount();
2668         unsigned int col;
2669         for (col = 0; col < cols; col++)
2670         {
2671             const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2672             if (column->IsHidden())
2673                 continue;      // skip it!
2674
2675             if ((col != 0) &&
2676                 model->IsContainer(item) &&
2677                 !model->HasContainerColumns(item))
2678                 continue;      // skip it!
2679
2680             wxVariant value;
2681             model->GetValue( value, item, column->GetModelColumn() );
2682
2683             wxDataViewRenderer *renderer =
2684                 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2685             renderer->SetValue( value );
2686             height = wxMax( height, renderer->GetSize().y );
2687         }
2688
2689         return height;
2690     }
2691     else
2692     {
2693         return m_lineHeight;
2694     }
2695 }
2696
2697 class RowToItemJob: public DoJob
2698 {
2699 public:
2700     RowToItemJob( unsigned int row , int current )
2701         { this->row = row; this->current = current; }
2702     virtual ~RowToItemJob() {}
2703
2704     virtual int operator() ( wxDataViewTreeNode * node )
2705     {
2706         current ++;
2707         if( current == static_cast<int>(row))
2708         {
2709             ret = node->GetItem();
2710             return DoJob::OK;
2711         }
2712
2713         if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2714         {
2715             current += node->GetSubTreeCount();
2716             return  DoJob::IGR;
2717         }
2718         else
2719         {
2720             // If the current has no child node, we can find the desired item of the row
2721             // number directly.
2722             // This if can speed up finding in some case, and will has a very good effect
2723             // when it comes to list view
2724             if( node->GetNodes().GetCount() == 0)
2725             {
2726                 int index = static_cast<int>(row) - current - 1;
2727                 ret = node->GetChildren().Item( index );
2728                 return DoJob::OK;
2729             }
2730             return DoJob::CONT;
2731         }
2732     }
2733
2734     virtual int operator() ( void * n )
2735     {
2736         current ++;
2737         if( current == static_cast<int>(row))
2738         {
2739             ret = wxDataViewItem( n );
2740             return DoJob::OK;
2741         }
2742         return DoJob::CONT;
2743     }
2744
2745     wxDataViewItem GetResult() const
2746         { return ret; }
2747
2748 private:
2749     unsigned int row;
2750     int current;
2751     wxDataViewItem ret;
2752 };
2753
2754 wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
2755 {
2756     if (IsVirtualList())
2757     {
2758         return wxDataViewItem( wxUIntToPtr(row+1) );
2759     }
2760     else
2761     {
2762         RowToItemJob job( row, -2 );
2763         Walker( m_root , job );
2764         return job.GetResult();
2765     }
2766 }
2767
2768 class RowToTreeNodeJob: public DoJob
2769 {
2770 public:
2771     RowToTreeNodeJob( unsigned int row , int current, wxDataViewTreeNode * node )
2772     {
2773         this->row = row;
2774         this->current = current;
2775         ret = NULL;
2776         parent = node;
2777     }
2778     virtual ~RowToTreeNodeJob(){ }
2779
2780     virtual int operator() ( wxDataViewTreeNode * node )
2781     {
2782         current ++;
2783         if( current == static_cast<int>(row))
2784         {
2785             ret = node;
2786             return DoJob::OK;
2787         }
2788
2789         if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2790         {
2791             current += node->GetSubTreeCount();
2792             return  DoJob::IGR;
2793         }
2794         else
2795         {
2796             parent = node;
2797
2798             // If the current node has no children, we can find the desired item of the
2799             // row number directly.
2800             // This if can speed up finding in some case, and will have a very good
2801             // effect for list views.
2802             if( node->GetNodes().GetCount() == 0)
2803             {
2804                 int index = static_cast<int>(row) - current - 1;
2805                 void * n = node->GetChildren().Item( index );
2806                 ret = new wxDataViewTreeNode( parent );
2807                 ret->SetItem( wxDataViewItem( n ));
2808                 ret->SetHasChildren(false);
2809                 return DoJob::OK;
2810             }
2811             return DoJob::CONT;
2812         }
2813     }
2814
2815     virtual int operator() ( void * n )
2816     {
2817         current ++;
2818         if( current == static_cast<int>(row))
2819         {
2820             ret = new wxDataViewTreeNode( parent );
2821             ret->SetItem( wxDataViewItem( n ));
2822             ret->SetHasChildren(false);
2823             return DoJob::OK;
2824         }
2825
2826         return DoJob::CONT;
2827     }
2828
2829     wxDataViewTreeNode * GetResult() const
2830         { return ret; }
2831
2832 private:
2833     unsigned int row;
2834     int current;
2835     wxDataViewTreeNode * ret;
2836     wxDataViewTreeNode * parent;
2837 };
2838
2839 wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row) const
2840 {
2841     wxASSERT( !IsVirtualList() );
2842
2843     RowToTreeNodeJob job( row , -2, m_root );
2844     Walker( m_root , job );
2845     return job.GetResult();
2846 }
2847
2848 wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type,
2849                                                          const wxDataViewItem & item )
2850 {
2851     wxWindow *parent = GetParent();
2852     wxDataViewEvent le(type, parent->GetId());
2853
2854     le.SetEventObject(parent);
2855     le.SetModel(GetOwner()->GetModel());
2856     le.SetItem( item );
2857
2858     parent->GetEventHandler()->ProcessEvent(le);
2859     return le;
2860 }
2861
2862 bool wxDataViewMainWindow::IsExpanded( unsigned int row ) const
2863 {
2864     if (IsVirtualList())
2865         return false;
2866
2867     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2868     if (!node)
2869         return false;
2870
2871     if (!node->HasChildren())
2872     {
2873         delete node;
2874         return false;
2875     }
2876
2877     return node->IsOpen();
2878 }
2879
2880 bool wxDataViewMainWindow::HasChildren( unsigned int row ) const
2881 {
2882     if (IsVirtualList())
2883         return false;
2884
2885     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2886     if (!node)
2887         return false;
2888
2889     if (!node->HasChildren())
2890     {
2891         delete node;
2892         return false;
2893     }
2894
2895     return true;
2896 }
2897
2898 void wxDataViewMainWindow::Expand( unsigned int row )
2899 {
2900     if (IsVirtualList())
2901         return;
2902
2903     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2904     if (!node)
2905         return;
2906
2907     if (!node->HasChildren())
2908     {
2909         delete node;
2910         return;
2911     }
2912
2913             if (!node->IsOpen())
2914             {
2915                 wxDataViewEvent e =
2916                     SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, node->GetItem());
2917
2918                 // Check if the user prevent expanding
2919                 if( e.GetSkipped() )
2920                     return;
2921
2922                 node->ToggleOpen();
2923
2924                 // build the children of current node
2925                 if( node->GetChildrenNumber() == 0 )
2926                 {
2927                     SortPrepare();
2928                     ::BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node);
2929                 }
2930
2931                 // By expanding the node all row indices that are currently in the selection list
2932                 // and are greater than our node have become invalid. So we have to correct that now.
2933                 const unsigned rowAdjustment = node->GetSubTreeCount();
2934                 for(unsigned i=0; i<m_selection.size(); ++i)
2935                 {
2936                     const unsigned testRow = m_selection[i];
2937                     // all rows above us are not affected, so skip them
2938                     if(testRow <= row)
2939                         continue;
2940
2941                     m_selection[i] += rowAdjustment;
2942                 }
2943
2944                 if(m_currentRow > row)
2945                     ChangeCurrentRow(m_currentRow + rowAdjustment);
2946
2947                 m_count = -1;
2948                 UpdateDisplay();
2949                 // Send the expanded event
2950                 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
2951             }
2952 }
2953
2954 void wxDataViewMainWindow::Collapse(unsigned int row)
2955 {
2956     if (IsVirtualList())
2957         return;
2958
2959     wxDataViewTreeNode *node = GetTreeNodeByRow(row);
2960     if (!node)
2961         return;
2962
2963     if (!node->HasChildren())
2964     {
2965         delete node;
2966         return;
2967     }
2968
2969         if (node->IsOpen())
2970         {
2971             wxDataViewEvent e =
2972                 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem());
2973             if( e.GetSkipped() )
2974                 return;
2975
2976             // Find out if there are selected items below the current node.
2977             bool selectCollapsingRow = false;
2978             const unsigned rowAdjustment = node->GetSubTreeCount();
2979             unsigned maxRowToBeTested = row + rowAdjustment;
2980             for(unsigned i=0; i<m_selection.size(); ++i)
2981             {
2982                 const unsigned testRow = m_selection[i];
2983                 if(testRow > row && testRow <= maxRowToBeTested)
2984                 {
2985                     selectCollapsingRow = true;
2986                     // get out as soon as we have found a node that is selected
2987                     break;
2988                 }
2989             }
2990
2991             node->ToggleOpen();
2992
2993             // If the node to be closed has selected items the user won't see those any longer.
2994             // We select the collapsing node in this case.
2995             if(selectCollapsingRow)
2996             {
2997                 SelectAllRows(false);
2998                 ChangeCurrentRow(row);
2999                 SelectRow(row, true);
3000                 SendSelectionChangedEvent(GetItemByRow(row));
3001             }
3002             else
3003             {
3004                 // if there were no selected items below our node we still need to "fix" the
3005                 // selection list to adjust for the changing of the row indices.
3006                 // We actually do the opposite of what we are doing in Expand().
3007                 for(unsigned i=0; i<m_selection.size(); ++i)
3008                 {
3009                     const unsigned testRow = m_selection[i];
3010                     // all rows above us are not affected, so skip them
3011                     if(testRow <= row)
3012                         continue;
3013
3014                     m_selection[i] -= rowAdjustment;
3015                 }
3016
3017                 // if the "current row" is being collapsed away we change it to the current row ;-)
3018                 if(m_currentRow > row && m_currentRow <= maxRowToBeTested)
3019                     ChangeCurrentRow(row);
3020                 else if(m_currentRow > row)
3021                     ChangeCurrentRow(m_currentRow - rowAdjustment);
3022             }
3023
3024             m_count = -1;
3025             UpdateDisplay();
3026             SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,node->GetItem());
3027         }
3028 }
3029
3030 wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
3031 {
3032     wxDataViewModel * model = GetOwner()->GetModel();
3033     if( model == NULL )
3034         return NULL;
3035
3036     if (!item.IsOk())
3037         return m_root;
3038
3039     // Compose the a parent-chain of the finding item
3040     ItemList list;
3041     list.DeleteContents( true );
3042     wxDataViewItem it( item );
3043     while( it.IsOk() )
3044     {
3045         wxDataViewItem * pItem = new wxDataViewItem( it );
3046         list.Insert( pItem );
3047         it = model->GetParent( it );
3048     }
3049
3050     // Find the item along the parent-chain.
3051     // This algorithm is designed to speed up the node-finding method
3052     wxDataViewTreeNode * node = m_root;
3053     for( ItemList::const_iterator iter = list.begin(); iter !=list.end(); iter++ )
3054     {
3055         if( node->HasChildren() )
3056         {
3057             if( node->GetChildrenNumber() == 0 )
3058             {
3059                 SortPrepare();
3060                 ::BuildTreeHelper(model, node->GetItem(), node);
3061             }
3062
3063             wxDataViewTreeNodes nodes = node->GetNodes();
3064             unsigned int i;
3065             bool found = false;
3066
3067             for (i = 0; i < nodes.GetCount(); i ++)
3068             {
3069                 if (nodes[i]->GetItem() == (**iter))
3070                 {
3071                     if (nodes[i]->GetItem() == item)
3072                     return nodes[i];
3073
3074                     node = nodes[i];
3075                     found = true;
3076                     break;
3077                 }
3078             }
3079             if (!found)
3080                 return NULL;
3081         }
3082         else
3083             return NULL;
3084     }
3085     return NULL;
3086 }
3087
3088 void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item,
3089                                     wxDataViewColumn* &column )
3090 {
3091     wxDataViewColumn *col = NULL;
3092     unsigned int cols = GetOwner()->GetColumnCount();
3093     unsigned int colnum = 0;
3094     int x, y;
3095     m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y );
3096     for (unsigned x_start = 0; colnum < cols; colnum++)
3097     {
3098         col = GetOwner()->GetColumnAt(colnum);
3099         if (col->IsHidden())
3100             continue;      // skip it!
3101
3102         unsigned int w = col->GetWidth();
3103         if (x_start+w >= (unsigned int)x)
3104             break;
3105
3106         x_start += w;
3107     }
3108
3109     column = col;
3110     item = GetItemByRow( GetLineAt( y ) );
3111 }
3112
3113 wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item,
3114                                           const wxDataViewColumn* column )
3115 {
3116     int xpos = 0;
3117     int width = 0;
3118
3119     unsigned int cols = GetOwner()->GetColumnCount();
3120     // If column is null the loop will compute the combined width of all columns.
3121     // Otherwise, it will compute the x position of the column we are looking for.
3122     for (unsigned int i = 0; i < cols; i++)
3123     {
3124         wxDataViewColumn* col = GetOwner()->GetColumnAt( i );
3125
3126         if (col == column)
3127             break;
3128
3129         if (col->IsHidden())
3130             continue;      // skip it!
3131
3132         xpos += col->GetWidth();
3133         width += col->GetWidth();
3134     }
3135
3136     if(column != 0)
3137     {
3138         // If we have a column, we need can get its width directly.
3139         if(column->IsHidden())
3140             width = 0;
3141         else
3142             width = column->GetWidth();
3143
3144     }
3145     else
3146     {
3147         // If we have no column, we reset the x position back to zero.
3148         xpos = 0;
3149     }
3150
3151     // we have to take an expander column into account and compute its indentation
3152     // to get the correct x position where the actual text is
3153     int indent = 0;
3154     int row = GetRowByItem(item);
3155     if (!IsVirtualList() && (column == 0 || GetOwner()->GetExpanderColumn() == column) )
3156     {
3157         wxDataViewTreeNode* node = GetTreeNodeByRow(row);
3158         indent = GetOwner()->GetIndent() * node->GetIndentLevel();
3159         indent = indent + m_lineHeight; // use m_lineHeight as the width of the expander
3160
3161         if(!node->HasChildren())
3162             delete node;
3163     }
3164
3165     wxRect itemRect( xpos + indent,
3166                      GetLineStart( row ),
3167                      width - indent,
3168                      GetLineHeight( row ) );
3169
3170     GetOwner()->CalcScrolledPosition(  itemRect.x,  itemRect.y,
3171                                       &itemRect.x, &itemRect.y );
3172
3173     return itemRect;
3174 }
3175
3176 int wxDataViewMainWindow::RecalculateCount()
3177 {
3178     if (IsVirtualList())
3179     {
3180         wxDataViewVirtualListModel *list_model =
3181             (wxDataViewVirtualListModel*) GetOwner()->GetModel();
3182
3183         return list_model->GetCount();
3184     }
3185     else
3186     {
3187         return m_root->GetSubTreeCount();
3188     }
3189 }
3190
3191 class ItemToRowJob : public DoJob
3192 {
3193 public:
3194     ItemToRowJob(const wxDataViewItem& item_, ItemList::const_iterator iter)
3195         : m_iter(iter),
3196         item(item_)
3197     {
3198         ret = -1;
3199     }
3200
3201     // Maybe binary search will help to speed up this process
3202     virtual int operator() ( wxDataViewTreeNode * node)
3203     {
3204         ret ++;
3205         if( node->GetItem() == item )
3206         {
3207             return DoJob::OK;
3208         }
3209
3210         if( node->GetItem() == **m_iter )
3211         {
3212             m_iter++;
3213             return DoJob::CONT;
3214         }
3215         else
3216         {
3217             ret += node->GetSubTreeCount();
3218             return DoJob::IGR;
3219         }
3220
3221     }
3222
3223     virtual int operator() ( void * n )
3224     {
3225         ret ++;
3226         if( n == item.GetID() )
3227             return DoJob::OK;
3228         return DoJob::CONT;
3229     }
3230
3231     // the row number is begin from zero
3232     int GetResult() const
3233         { return ret -1; }
3234
3235 private:
3236     ItemList::const_iterator  m_iter;
3237     wxDataViewItem item;
3238     int ret;
3239
3240 };
3241
3242 int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item) const
3243 {
3244     const wxDataViewModel * model = GetOwner()->GetModel();
3245     if( model == NULL )
3246         return -1;
3247
3248     if (IsVirtualList())
3249     {
3250         return wxPtrToUInt( item.GetID() ) -1;
3251     }
3252     else
3253     {
3254         if( !item.IsOk() )
3255             return -1;
3256
3257         // Compose the a parent-chain of the finding item
3258         ItemList list;
3259         wxDataViewItem * pItem;
3260         list.DeleteContents( true );
3261         wxDataViewItem it( item );
3262         while( it.IsOk() )
3263         {
3264             pItem = new wxDataViewItem( it );
3265             list.Insert( pItem );
3266             it = model->GetParent( it );
3267         }
3268         pItem = new wxDataViewItem( );
3269         list.Insert( pItem );
3270
3271         ItemToRowJob job( item, list.begin() );
3272         Walker(m_root , job );
3273         return job.GetResult();
3274     }
3275 }
3276
3277 static void BuildTreeHelper( wxDataViewModel * model,  wxDataViewItem & item,
3278                              wxDataViewTreeNode * node)
3279 {
3280     if( !model->IsContainer( item ) )
3281         return;
3282
3283     wxDataViewItemArray children;
3284     unsigned int num = model->GetChildren( item, children);
3285
3286     unsigned int index = 0;
3287     while( index < num )
3288     {
3289         if( model->IsContainer( children[index] ) )
3290         {
3291             wxDataViewTreeNode * n = new wxDataViewTreeNode( node );
3292             n->SetItem(children[index]);
3293             n->SetHasChildren( true );
3294             node->AddNode( n );
3295         }
3296         else
3297         {
3298             node->AddLeaf( children[index].GetID() );
3299         }
3300         index ++;
3301     }
3302     node->SetSubTreeCount( num );
3303     wxDataViewTreeNode * n = node->GetParent();
3304     if( n != NULL)
3305         n->ChangeSubTreeCount(num);
3306
3307 }
3308
3309 void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
3310 {
3311     DestroyTree();
3312
3313     if (GetOwner()->GetModel()->IsVirtualListModel())
3314     {
3315         m_count = -1;
3316         return;
3317     }
3318
3319     m_root = new wxDataViewTreeNode( NULL );
3320     m_root->SetHasChildren(true);
3321
3322     // First we define a invalid item to fetch the top-level elements
3323     wxDataViewItem item;
3324     SortPrepare();
3325     BuildTreeHelper( model, item, m_root);
3326     m_count = -1;
3327 }
3328
3329 static void DestroyTreeHelper( wxDataViewTreeNode * node )
3330 {
3331     if( node->GetNodeNumber() != 0 )
3332     {
3333         int len = node->GetNodeNumber();
3334         wxDataViewTreeNodes& nodes = node->GetNodes();
3335         for (int i = 0; i < len; i++)
3336             DestroyTreeHelper(nodes[i]);
3337     }
3338     delete node;
3339 }
3340
3341 void wxDataViewMainWindow::DestroyTree()
3342 {
3343     if (!IsVirtualList())
3344     {
3345         ::DestroyTreeHelper(m_root);
3346             m_count = 0;
3347             m_root = NULL;
3348     }
3349 }
3350
3351 void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
3352 {
3353     if ( GetParent()->HandleAsNavigationKey(event) )
3354         return;
3355
3356     // no item -> nothing to do
3357     if (!HasCurrentRow())
3358     {
3359         event.Skip();
3360         return;
3361     }
3362
3363     // don't use m_linesPerPage directly as it might not be computed yet
3364     const int pageSize = GetCountPerPage();
3365     wxCHECK_RET( pageSize, wxT("should have non zero page size") );
3366
3367     switch ( event.GetKeyCode() )
3368     {
3369         case WXK_RETURN:
3370             {
3371                 wxWindow *parent = GetParent();
3372                 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED,
3373                                    parent->GetId());
3374                 le.SetItem( GetItemByRow(m_currentRow) );
3375                 le.SetEventObject(parent);
3376                 le.SetModel(GetOwner()->GetModel());
3377
3378                 parent->GetEventHandler()->ProcessEvent(le);
3379             }
3380             break;
3381
3382         case WXK_UP:
3383             if ( m_currentRow > 0 )
3384                 OnArrowChar( m_currentRow - 1, event );
3385             break;
3386
3387         case WXK_DOWN:
3388             if ( m_currentRow < GetRowCount() - 1 )
3389                 OnArrowChar( m_currentRow + 1, event );
3390             break;
3391         // Add the process for tree expanding/collapsing
3392         case WXK_LEFT:
3393         {
3394             if (IsVirtualList())
3395                break;
3396
3397             wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow);
3398             if (!node)
3399                 break;
3400
3401             if (node->HasChildren() && node->IsOpen())
3402             {
3403                 Collapse(m_currentRow);
3404             }
3405             else    // if the node is already closed we move the selection to its parent
3406             {
3407                 wxDataViewTreeNode *parent_node = node->GetParent();
3408
3409                 if(!node->HasChildren())
3410                     delete node;
3411
3412                 if (parent_node)
3413                 {
3414                     int parent = GetRowByItem( parent_node->GetItem() );
3415                     if ( parent >= 0 )
3416                     {
3417                         unsigned int row = m_currentRow;
3418                         SelectRow( row, false);
3419                         SelectRow( parent, true );
3420                         ChangeCurrentRow( parent );
3421                         GetOwner()->EnsureVisible( parent, -1 );
3422                         SendSelectionChangedEvent( parent_node->GetItem() );
3423                     }
3424                 }
3425             }
3426             break;
3427         }
3428         case WXK_RIGHT:
3429         {
3430             if (!IsExpanded( m_currentRow ))
3431                 Expand( m_currentRow );
3432             else
3433             {
3434                 unsigned int row = m_currentRow;
3435                 SelectRow( row, false );
3436                 SelectRow( row + 1, true );
3437                 ChangeCurrentRow( row + 1 );
3438                 GetOwner()->EnsureVisible( row + 1, -1 );
3439                 SendSelectionChangedEvent( GetItemByRow(row+1) );
3440             }
3441             break;
3442         }
3443         case WXK_END:
3444         {
3445             if (!IsEmpty())
3446                 OnArrowChar( GetRowCount() - 1, event );
3447             break;
3448         }
3449         case WXK_HOME:
3450             if (!IsEmpty())
3451                 OnArrowChar( 0, event );
3452             break;
3453
3454         case WXK_PAGEUP:
3455             {
3456                 int steps = pageSize - 1;
3457                 int index = m_currentRow - steps;
3458                 if (index < 0)
3459                     index = 0;
3460
3461                 OnArrowChar( index, event );
3462             }
3463             break;
3464
3465         case WXK_PAGEDOWN:
3466             {
3467                 int steps = pageSize - 1;
3468                 unsigned int index = m_currentRow + steps;
3469                 unsigned int count = GetRowCount();
3470                 if ( index >= count )
3471                     index = count - 1;
3472
3473                 OnArrowChar( index, event );
3474             }
3475             break;
3476
3477         case WXK_F2:
3478             {
3479                 if(m_selection.size() == 1)
3480                 {
3481                     // TODO: we need to revise that when we have a concept for a 'current column'
3482                     GetOwner()->StartEditor(GetItemByRow(m_selection[0]), 0);
3483                 }
3484             }
3485             break;
3486
3487         default:
3488             event.Skip();
3489     }
3490 }
3491
3492 void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
3493 {
3494     if (event.GetEventType() == wxEVT_MOUSEWHEEL)
3495     {
3496         // let the base handle mouse wheel events.
3497         event.Skip();
3498         return;
3499     }
3500
3501     int x = event.GetX();
3502     int y = event.GetY();
3503     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
3504     wxDataViewColumn *col = NULL;
3505
3506     int xpos = 0;
3507     unsigned int cols = GetOwner()->GetColumnCount();
3508     unsigned int i;
3509     for (i = 0; i < cols; i++)
3510     {
3511         wxDataViewColumn *c = GetOwner()->GetColumnAt( i );
3512         if (c->IsHidden())
3513             continue;      // skip it!
3514
3515         if (x < xpos + c->GetWidth())
3516         {
3517             col = c;
3518             break;
3519         }
3520         xpos += c->GetWidth();
3521     }
3522     if (!col)
3523         return;
3524
3525     wxDataViewRenderer *cell = col->GetRenderer();
3526     unsigned int current = GetLineAt( y );
3527     if ((current >= GetRowCount()) || (x > GetEndOfLastCol()))
3528     {
3529         // Unselect all if below the last row ?
3530         return;
3531     }
3532
3533     // Test whether the mouse is hovered on the tree item button
3534     bool hoverOverExpander = false;
3535     if ((!IsVirtualList()) && (GetOwner()->GetExpanderColumn() == col))
3536     {
3537         wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3538         if( node!=NULL && node->HasChildren() )
3539         {
3540             int indent = node->GetIndentLevel();
3541             indent = GetOwner()->GetIndent()*indent;
3542
3543             // we make the rectangle we are looking in a bit bigger than the actual
3544             // visual expander so the user can hit that little thing reliably
3545             wxRect rect( xpos + indent,
3546                         GetLineStart( current ) + (GetLineHeight(current) - m_lineHeight)/2,
3547                         m_lineHeight, m_lineHeight);
3548             if( rect.Contains(x, y) )
3549             {
3550                 // So the mouse is over the expander
3551                 hoverOverExpander = true;
3552                 if (m_underMouse && m_underMouse != node)
3553                 {
3554                     // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3555                     RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3556                 }
3557                 if (m_underMouse != node)
3558                 {
3559                     // wxLogMessage("Do the row: %d", current);
3560                     RefreshRow(current);
3561                 }
3562                 m_underMouse = node;
3563             }
3564         }
3565         if (node!=NULL && !node->HasChildren())
3566             delete node;
3567     }
3568     if (!hoverOverExpander)
3569     {
3570         if (m_underMouse != NULL)
3571         {
3572             // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3573             RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3574             m_underMouse = NULL;
3575         }
3576     }
3577
3578     wxDataViewModel *model = GetOwner()->GetModel();
3579
3580 #if wxUSE_DRAG_AND_DROP
3581     if (event.Dragging())
3582     {
3583         if (m_dragCount == 0)
3584         {
3585             // we have to report the raw, physical coords as we want to be
3586             // able to call HitTest(event.m_pointDrag) from the user code to
3587             // get the item being dragged
3588             m_dragStart = event.GetPosition();
3589         }
3590
3591         m_dragCount++;
3592
3593         if (m_dragCount != 3)
3594             return;
3595
3596         if (event.LeftIsDown())
3597         {
3598             m_owner->CalcUnscrolledPosition( m_dragStart.x, m_dragStart.y,
3599                                              &m_dragStart.x, &m_dragStart.y );
3600             unsigned int drag_item_row = GetLineAt( m_dragStart.y );
3601             wxDataViewItem item = GetItemByRow( drag_item_row );
3602
3603             // Notify cell about drag
3604             wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() );
3605             event.SetEventObject( m_owner );
3606             event.SetItem( item );
3607             event.SetModel( model );
3608             if (!m_owner->HandleWindowEvent( event ))
3609                 return;
3610
3611             if (!event.IsAllowed())
3612                 return;
3613
3614             wxDataObject *obj = event.GetDataObject();
3615             if (!obj)
3616                 return;
3617
3618             wxDataViewDropSource drag( this, drag_item_row );
3619             drag.SetData( *obj );
3620             /* wxDragResult res = */ drag.DoDragDrop();
3621             delete obj;
3622         }
3623         return;
3624     }
3625     else
3626     {
3627         m_dragCount = 0;
3628     }
3629 #endif // wxUSE_DRAG_AND_DROP
3630
3631     bool simulateClick = false;
3632
3633     if (event.ButtonDClick())
3634     {
3635         m_renameTimer->Stop();
3636         m_lastOnSame = false;
3637     }
3638
3639     wxDataViewItem item = GetItemByRow(current);
3640     bool ignore_other_columns =
3641         ((GetOwner()->GetExpanderColumn() != col) &&
3642         (model->IsContainer(item)) &&
3643         (!model->HasContainerColumns(item)));
3644
3645     if (event.LeftDClick())
3646     {
3647         if(hoverOverExpander)
3648         {
3649             // a double click on the expander will be converted into a "simulated" normal click
3650             simulateClick = true;
3651         }
3652         else if ( current == m_lineLastClicked )
3653         {
3654             if ((!ignore_other_columns) && (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE))
3655             {
3656                 wxVariant value;
3657                 model->GetValue( value, item, col->GetModelColumn() );
3658                 cell->SetValue( value );
3659                 wxRect cell_rect( xpos, GetLineStart( current ),
3660                                 col->GetWidth(), GetLineHeight( current ) );
3661                 cell->Activate( cell_rect, model, item, col->GetModelColumn() );
3662             }
3663             else
3664             {
3665                 wxWindow *parent = GetParent();
3666                 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
3667                 le.SetItem( item );
3668                 le.SetEventObject(parent);
3669                 le.SetModel(GetOwner()->GetModel());
3670
3671                 parent->GetEventHandler()->ProcessEvent(le);
3672             }
3673             return;
3674         }
3675         else
3676         {
3677             // The first click was on another item, so don't interpret this as
3678             // a double click, but as a simple click instead
3679             simulateClick = true;
3680         }
3681     }
3682
3683     if (event.LeftUp() && !hoverOverExpander)
3684     {
3685         if (m_lineSelectSingleOnUp != (unsigned int)-1)
3686         {
3687             // select single line
3688             SelectAllRows( false );
3689             SelectRow( m_lineSelectSingleOnUp, true );
3690             SendSelectionChangedEvent( GetItemByRow(m_lineSelectSingleOnUp) );
3691         }
3692
3693         // If the user click the expander, we do not do editing even if the column
3694         // with expander are editable
3695         if (m_lastOnSame && !ignore_other_columns)
3696         {
3697             if ((col == m_currentCol) && (current == m_currentRow) &&
3698                 (cell->GetMode() & wxDATAVIEW_CELL_EDITABLE) )
3699             {
3700                 m_renameTimer->Start( 100, true );
3701             }
3702         }
3703
3704         m_lastOnSame = false;
3705         m_lineSelectSingleOnUp = (unsigned int)-1;
3706     }
3707     else if(!event.LeftUp())
3708     {
3709         // This is necessary, because after a DnD operation in
3710         // from and to ourself, the up event is swallowed by the
3711         // DnD code. So on next non-up event (which means here and
3712         // now) m_lineSelectSingleOnUp should be reset.
3713         m_lineSelectSingleOnUp = (unsigned int)-1;
3714     }
3715
3716     if (event.RightDown())
3717     {
3718         m_lineBeforeLastClicked = m_lineLastClicked;
3719         m_lineLastClicked = current;
3720
3721         // If the item is already selected, do not update the selection.
3722         // Multi-selections should not be cleared if a selected item is clicked.
3723         if (!IsRowSelected(current))
3724         {
3725             SelectAllRows(false);
3726             ChangeCurrentRow(current);
3727             SelectRow(m_currentRow,true);
3728             SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3729         }
3730     }
3731     else if (event.RightUp())
3732     {
3733         wxVariant value;
3734         model->GetValue( value, item, col->GetModelColumn() );
3735         wxWindow *parent = GetParent();
3736         wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, parent->GetId());
3737         le.SetItem( item );
3738         le.SetEventObject(parent);
3739         le.SetModel(GetOwner()->GetModel());
3740         le.SetValue(value);
3741         parent->GetEventHandler()->ProcessEvent(le);
3742     }
3743     else if (event.MiddleDown())
3744     {
3745     }
3746
3747     if((event.LeftDown() || simulateClick) && hoverOverExpander)
3748     {
3749         wxDataViewTreeNode* node = GetTreeNodeByRow(current);
3750
3751         // hoverOverExpander being true tells us that our node must be
3752         // valid and have children.
3753         // So we don't need any extra checks.
3754         if( node->IsOpen() )
3755             Collapse(current);
3756         else
3757             Expand(current);
3758     }
3759     else if ((event.LeftDown() || simulateClick) && !hoverOverExpander)
3760     {
3761         SetFocus();
3762
3763         m_lineBeforeLastClicked = m_lineLastClicked;
3764         m_lineLastClicked = current;
3765
3766         unsigned int oldCurrentRow = m_currentRow;
3767         bool oldWasSelected = IsRowSelected(m_currentRow);
3768
3769         bool cmdModifierDown = event.CmdDown();
3770         if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
3771         {
3772             if ( IsSingleSel() || !IsRowSelected(current) )
3773             {
3774                 SelectAllRows( false );
3775                 ChangeCurrentRow(current);
3776                 SelectRow(m_currentRow,true);
3777                 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3778             }
3779             else // multi sel & current is highlighted & no mod keys
3780             {
3781                 m_lineSelectSingleOnUp = current;
3782                 ChangeCurrentRow(current); // change focus
3783             }
3784         }
3785         else // multi sel & either ctrl or shift is down
3786         {
3787             if (cmdModifierDown)
3788             {
3789                 ChangeCurrentRow(current);
3790                 ReverseRowSelection(m_currentRow);
3791                 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3792             }
3793             else if (event.ShiftDown())
3794             {
3795                 ChangeCurrentRow(current);
3796
3797                 unsigned int lineFrom = oldCurrentRow,
3798                     lineTo = current;
3799
3800                 if ( lineTo < lineFrom )
3801                 {
3802                     lineTo = lineFrom;
3803                     lineFrom = m_currentRow;
3804                 }
3805
3806                 SelectRows(lineFrom, lineTo, true);
3807                 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3808             }
3809             else // !ctrl, !shift
3810             {
3811                 // test in the enclosing if should make it impossible
3812                 wxFAIL_MSG( wxT("how did we get here?") );
3813             }
3814         }
3815
3816         if (m_currentRow != oldCurrentRow)
3817             RefreshRow( oldCurrentRow );
3818
3819         wxDataViewColumn *oldCurrentCol = m_currentCol;
3820
3821         // Update selection here...
3822         m_currentCol = col;
3823
3824         m_lastOnSame = !simulateClick && ((col == oldCurrentCol) &&
3825                         (current == oldCurrentRow)) && oldWasSelected;
3826
3827         // Call LeftClick after everything else as under GTK+
3828         if (cell->GetMode() & wxDATAVIEW_CELL_ACTIVATABLE)
3829         {
3830             // notify cell about right click
3831             wxVariant value;
3832             model->GetValue( value, item, col->GetModelColumn() );
3833             cell->SetValue( value );
3834             wxRect cell_rect( xpos, GetLineStart( current ),
3835                               col->GetWidth(), GetLineHeight( current ) );
3836              /* ignore ret */ cell->LeftClick( event.GetPosition(), cell_rect,
3837                               model, item, col->GetModelColumn());
3838         }
3839     }
3840 }
3841
3842 void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
3843 {
3844     m_hasFocus = true;
3845
3846     if (HasCurrentRow())
3847         Refresh();
3848
3849     event.Skip();
3850 }
3851
3852 void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event )
3853 {
3854     m_hasFocus = false;
3855
3856     if (HasCurrentRow())
3857         Refresh();
3858
3859     event.Skip();
3860 }
3861
3862 wxDataViewItem wxDataViewMainWindow::GetSelection() const
3863 {
3864     if( m_selection.GetCount() != 1 )
3865         return wxDataViewItem();
3866
3867     return GetItemByRow( m_selection.Item(0));
3868 }
3869
3870 //-----------------------------------------------------------------------------
3871 // wxDataViewCtrl
3872 //-----------------------------------------------------------------------------
3873
3874 WX_DEFINE_LIST(wxDataViewColumnList)
3875
3876 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
3877 BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
3878     EVT_SIZE(wxDataViewCtrl::OnSize)
3879 END_EVENT_TABLE()
3880
3881 wxDataViewCtrl::~wxDataViewCtrl()
3882 {
3883     if (m_notifier)
3884         GetModel()->RemoveNotifier( m_notifier );
3885
3886     m_cols.Clear();
3887 }
3888
3889 void wxDataViewCtrl::Init()
3890 {
3891     m_cols.DeleteContents(true);
3892     m_notifier = NULL;
3893
3894     // No sorting column at start
3895     m_sortingColumnIdx = wxNOT_FOUND;
3896
3897     m_headerArea = NULL;
3898 }
3899
3900 bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
3901                             const wxPoint& pos, const wxSize& size,
3902                             long style, const wxValidator& validator )
3903 {
3904 //    if ( (style & wxBORDER_MASK) == 0)
3905 //        style |= wxBORDER_SUNKEN;
3906
3907     Init();
3908
3909     if (!wxControl::Create( parent, id, pos, size,
3910                             style | wxScrolledWindowStyle, validator))
3911         return false;
3912
3913     SetInitialSize(size);
3914
3915 #ifdef __WXMAC__
3916     MacSetClipChildren( true );
3917 #endif
3918
3919     m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
3920
3921     if (HasFlag(wxDV_NO_HEADER))
3922         m_headerArea = NULL;
3923     else
3924         m_headerArea = new wxDataViewHeaderWindow(this);
3925
3926     SetTargetWindow( m_clientArea );
3927
3928     wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
3929     if (m_headerArea)
3930         sizer->Add( m_headerArea, 0, wxGROW );
3931     sizer->Add( m_clientArea, 1, wxGROW );
3932     SetSizer( sizer );
3933
3934     return true;
3935 }
3936
3937 wxBorder wxDataViewCtrl::GetDefaultBorder() const
3938 {
3939     return wxBORDER_THEME;
3940 }
3941
3942 #ifdef __WXMSW__
3943 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
3944                                         WXWPARAM wParam,
3945                                         WXLPARAM lParam)
3946 {
3947     WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
3948
3949 #ifndef __WXWINCE__
3950     // we need to process arrows ourselves for scrolling
3951     if ( nMsg == WM_GETDLGCODE )
3952     {
3953         rc |= DLGC_WANTARROWS;
3954     }
3955 #endif
3956
3957     return rc;
3958 }
3959 #endif
3960
3961 wxSize wxDataViewCtrl::GetSizeAvailableForScrollTarget(const wxSize& size)
3962 {
3963     wxSize newsize = size;
3964     if (!HasFlag(wxDV_NO_HEADER) && (m_headerArea))
3965     newsize.y -= m_headerArea->GetSize().y;
3966
3967     return newsize;
3968 }
3969
3970 void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) )
3971 {
3972     // We need to override OnSize so that our scrolled
3973     // window a) does call Layout() to use sizers for
3974     // positioning the controls but b) does not query
3975     // the sizer for their size and use that for setting
3976     // the scrollable area as set that ourselves by
3977     // calling SetScrollbar() further down.
3978
3979     Layout();
3980
3981     AdjustScrollbars();
3982 }
3983
3984 void wxDataViewCtrl::SetFocus()
3985 {
3986     if (m_clientArea)
3987         m_clientArea->SetFocus();
3988 }
3989
3990 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
3991 {
3992     if (!wxDataViewCtrlBase::AssociateModel( model ))
3993         return false;
3994
3995     m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
3996
3997     model->AddNotifier( m_notifier );
3998
3999     m_clientArea->DestroyTree();
4000
4001     m_clientArea->BuildTree(model);
4002
4003     m_clientArea->UpdateDisplay();
4004
4005     return true;
4006 }
4007
4008 #if wxUSE_DRAG_AND_DROP
4009
4010 bool wxDataViewCtrl::EnableDragSource( const wxDataFormat &format )
4011 {
4012     return m_clientArea->EnableDragSource( format );
4013 }
4014
4015 bool wxDataViewCtrl::EnableDropTarget( const wxDataFormat &format )
4016 {
4017     return m_clientArea->EnableDropTarget( format );
4018 }
4019
4020 #endif // wxUSE_DRAG_AND_DROP
4021
4022 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
4023 {
4024     if (!wxDataViewCtrlBase::AppendColumn(col))
4025         return false;
4026
4027     m_cols.Append( col );
4028     OnColumnsCountChanged();
4029     return true;
4030 }
4031
4032 bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
4033 {
4034     if (!wxDataViewCtrlBase::PrependColumn(col))
4035         return false;
4036
4037     m_cols.Insert( col );
4038     OnColumnsCountChanged();
4039     return true;
4040 }
4041
4042 bool wxDataViewCtrl::InsertColumn( unsigned int pos, wxDataViewColumn *col )
4043 {
4044     if (!wxDataViewCtrlBase::InsertColumn(pos,col))
4045         return false;
4046
4047     m_cols.Insert( pos, col );
4048     OnColumnsCountChanged();
4049     return true;
4050 }
4051
4052 void wxDataViewCtrl::OnColumnChange(unsigned int idx)
4053 {
4054     if ( m_headerArea )
4055         m_headerArea->UpdateColumn(idx);
4056
4057     m_clientArea->UpdateDisplay();
4058 }
4059
4060 void wxDataViewCtrl::OnColumnsCountChanged()
4061 {
4062     if (m_headerArea)
4063         m_headerArea->SetColumnCount(GetColumnCount());
4064
4065     m_clientArea->UpdateDisplay();
4066 }
4067
4068 void wxDataViewCtrl::DoSetExpanderColumn()
4069 {
4070     m_clientArea->UpdateDisplay();
4071 }
4072
4073 void wxDataViewCtrl::DoSetIndent()
4074 {
4075     m_clientArea->UpdateDisplay();
4076 }
4077
4078 unsigned int wxDataViewCtrl::GetColumnCount() const
4079 {
4080     return m_cols.GetCount();
4081 }
4082
4083 wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int idx ) const
4084 {
4085     return m_cols[idx];
4086 }
4087
4088 wxDataViewColumn *wxDataViewCtrl::GetColumnAt(unsigned int pos) const
4089 {
4090     // columns can't be reordered if there is no header window which allows
4091     // to do this
4092     const unsigned idx = m_headerArea ? m_headerArea->GetColumnsOrder()[pos]
4093                                     : pos;
4094
4095     return GetColumn(idx);
4096 }
4097
4098 int wxDataViewCtrl::GetColumnIndex(const wxDataViewColumn *column) const
4099 {
4100     const unsigned count = m_cols.size();
4101     for ( unsigned n = 0; n < count; n++ )
4102     {
4103         if ( m_cols[n] == column )
4104             return n;
4105     }
4106
4107     return wxNOT_FOUND;
4108 }
4109
4110 void wxDataViewCtrl::ColumnMoved(wxDataViewColumn * WXUNUSED(col),
4111                                 unsigned int WXUNUSED(new_pos))
4112 {
4113     // do _not_ reorder m_cols elements here, they should always be in the
4114     // order in which columns were added, we only display the columns in
4115     // different order
4116     m_clientArea->UpdateDisplay();
4117 }
4118
4119 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
4120 {
4121     wxDataViewColumnList::compatibility_iterator ret = m_cols.Find( column );
4122     if (!ret)
4123         return false;
4124
4125     m_cols.Erase(ret);
4126     OnColumnsCountChanged();
4127
4128     return true;
4129 }
4130
4131 bool wxDataViewCtrl::ClearColumns()
4132 {
4133     m_cols.Clear();
4134     OnColumnsCountChanged();
4135     return true;
4136 }
4137
4138 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
4139 {
4140     int ret = 0,
4141         dummy = 0;
4142     unsigned int len = GetColumnCount();
4143     for ( unsigned int i = 0; i < len; i++ )
4144     {
4145         wxDataViewColumn * col = GetColumnAt(i);
4146         if (col->IsHidden())
4147             continue;
4148         ret += col->GetWidth();
4149         if (column==col)
4150         {
4151             CalcScrolledPosition( ret, dummy, &ret, &dummy );
4152             break;
4153         }
4154     }
4155     return ret;
4156 }
4157
4158 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
4159 {
4160     return m_sortingColumnIdx == wxNOT_FOUND ? NULL
4161                                             : GetColumn(m_sortingColumnIdx);
4162 }
4163
4164 // Selection code with wxDataViewItem as parameters
4165 wxDataViewItem wxDataViewCtrl::GetSelection() const
4166 {
4167     return m_clientArea->GetSelection();
4168 }
4169
4170 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
4171 {
4172     sel.Empty();
4173     wxDataViewSelection selection = m_clientArea->GetSelections();
4174     int len = selection.GetCount();
4175     for( int i = 0; i < len; i ++)
4176     {
4177         unsigned int row = selection[i];
4178         sel.Add( m_clientArea->GetItemByRow( row ) );
4179     }
4180     return len;
4181 }
4182
4183 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
4184 {
4185     wxDataViewSelection selection(wxDataViewSelectionCmp);
4186
4187     wxDataViewItem last_parent;
4188
4189     int len = sel.GetCount();
4190     for( int i = 0; i < len; i ++ )
4191     {
4192         wxDataViewItem item = sel[i];
4193         wxDataViewItem parent = GetModel()->GetParent( item );
4194         if (parent)
4195         {
4196             if (parent != last_parent)
4197                 ExpandAncestors(item);
4198         }
4199
4200         last_parent = parent;
4201         int row = m_clientArea->GetRowByItem( item );
4202         if( row >= 0 )
4203             selection.Add( static_cast<unsigned int>(row) );
4204     }
4205
4206     m_clientArea->SetSelections( selection );
4207 }
4208
4209 void wxDataViewCtrl::Select( const wxDataViewItem & item )
4210 {
4211     ExpandAncestors( item );
4212
4213     int row = m_clientArea->GetRowByItem( item );
4214     if( row >= 0 )
4215     {
4216         // Unselect all rows before select another in the single select mode
4217         if (m_clientArea->IsSingleSel())
4218             m_clientArea->SelectAllRows(false);
4219         m_clientArea->SelectRow(row, true);
4220     }
4221 }
4222
4223 void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
4224 {
4225     int row = m_clientArea->GetRowByItem( item );
4226     if( row >= 0 )
4227         m_clientArea->SelectRow(row, false);
4228 }
4229
4230 bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
4231 {
4232     int row = m_clientArea->GetRowByItem( item );
4233     if( row >= 0 )
4234     {
4235         return m_clientArea->IsRowSelected(row);
4236     }
4237     return false;
4238 }
4239
4240 // Selection code with row number as parameter
4241 int wxDataViewCtrl::GetSelections( wxArrayInt & sel ) const
4242 {
4243     sel.Empty();
4244     wxDataViewSelection selection = m_clientArea->GetSelections();
4245     int len = selection.GetCount();
4246     for( int i = 0; i < len; i ++)
4247     {
4248         unsigned int row = selection[i];
4249         sel.Add( row );
4250     }
4251     return len;
4252 }
4253
4254 void wxDataViewCtrl::SetSelections( const wxArrayInt & sel )
4255 {
4256     wxDataViewSelection selection(wxDataViewSelectionCmp);
4257     int len = sel.GetCount();
4258     for( int i = 0; i < len; i ++ )
4259     {
4260         int row = sel[i];
4261         if( row >= 0 )
4262             selection.Add( static_cast<unsigned int>(row) );
4263     }
4264     m_clientArea->SetSelections( selection );
4265 }
4266
4267 void wxDataViewCtrl::Select( int row )
4268 {
4269     if( row >= 0 )
4270     {
4271         if (m_clientArea->IsSingleSel())
4272             m_clientArea->SelectAllRows(false);
4273         m_clientArea->SelectRow( row, true );
4274     }
4275 }
4276
4277 void wxDataViewCtrl::Unselect( int row )
4278 {
4279     if( row >= 0 )
4280         m_clientArea->SelectRow(row, false);
4281 }
4282
4283 bool wxDataViewCtrl::IsSelected( int row ) const
4284 {
4285     if( row >= 0 )
4286         return m_clientArea->IsRowSelected(row);
4287     return false;
4288 }
4289
4290 void wxDataViewCtrl::SelectRange( int from, int to )
4291 {
4292     wxArrayInt sel;
4293     for( int i = from; i < to; i ++ )
4294         sel.Add( i );
4295     m_clientArea->Select(sel);
4296 }
4297
4298 void wxDataViewCtrl::UnselectRange( int from, int to )
4299 {
4300     wxDataViewSelection sel = m_clientArea->GetSelections();
4301     for( int i = from; i < to; i ++ )
4302         if( sel.Index( i ) != wxNOT_FOUND )
4303             sel.Remove( i );
4304     m_clientArea->SetSelections(sel);
4305 }
4306
4307 void wxDataViewCtrl::SelectAll()
4308 {
4309     m_clientArea->SelectAllRows(true);
4310 }
4311
4312 void wxDataViewCtrl::UnselectAll()
4313 {
4314     m_clientArea->SelectAllRows(false);
4315 }
4316
4317 void wxDataViewCtrl::EnsureVisible( int row, int column )
4318 {
4319     if( row < 0 )
4320         row = 0;
4321     if( row > (int) m_clientArea->GetRowCount() )
4322         row = m_clientArea->GetRowCount();
4323
4324     int first = m_clientArea->GetFirstVisibleRow();
4325     int last = m_clientArea->GetLastVisibleRow();
4326     if( row < first )
4327         m_clientArea->ScrollTo( row, column );
4328     else if( row > last )
4329         m_clientArea->ScrollTo( row - last + first, column );
4330     else
4331         m_clientArea->ScrollTo( first, column );
4332 }
4333
4334 void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
4335 {
4336     ExpandAncestors( item );
4337
4338     m_clientArea->RecalculateDisplay();
4339
4340     int row = m_clientArea->GetRowByItem(item);
4341     if( row >= 0 )
4342     {
4343         if( column == NULL )
4344             EnsureVisible(row, -1);
4345         else
4346             EnsureVisible( row, GetColumnIndex(column) );
4347     }
4348
4349 }
4350
4351 void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item,
4352                               wxDataViewColumn* &column ) const
4353 {
4354     m_clientArea->HitTest(point, item, column);
4355 }
4356
4357 wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item,
4358                                     const wxDataViewColumn* column ) const
4359 {
4360     return m_clientArea->GetItemRect(item, column);
4361 }
4362
4363 wxDataViewItem wxDataViewCtrl::GetItemByRow( unsigned int row ) const
4364 {
4365     return m_clientArea->GetItemByRow( row );
4366 }
4367
4368 int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const
4369 {
4370     return m_clientArea->GetRowByItem( item );
4371 }
4372
4373 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
4374 {
4375     int row = m_clientArea->GetRowByItem( item );
4376     if (row != -1)
4377         m_clientArea->Expand(row);
4378 }
4379
4380 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
4381 {
4382     int row = m_clientArea->GetRowByItem( item );
4383     if (row != -1)
4384         m_clientArea->Collapse(row);
4385 }
4386
4387 bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
4388 {
4389     int row = m_clientArea->GetRowByItem( item );
4390     if (row != -1)
4391         return m_clientArea->IsExpanded(row);
4392     return false;
4393 }
4394
4395 void wxDataViewCtrl::StartEditor( const wxDataViewItem & item, unsigned int column )
4396 {
4397     wxDataViewColumn* col = GetColumn( column );
4398     if (!col)
4399         return;
4400
4401     wxRect itemRect = GetItemRect(item, col);
4402     wxDataViewRenderer* renderer = col->GetRenderer();
4403     renderer->StartEditing(item, itemRect);
4404 }
4405
4406 #endif // !wxUSE_GENERICDATAVIEWCTRL
4407
4408 #endif // wxUSE_DATAVIEWCTRL