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