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