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     m_underMouse = NULL;
2058 }
2059
2060 void wxDataViewMainWindow::OnInternalIdle()
2061 {
2062     wxWindow::OnInternalIdle();
2063
2064     if (m_dirty)
2065     {
2066         RecalculateDisplay();
2067         m_dirty = false;
2068     }
2069 }
2070
2071 void wxDataViewMainWindow::RecalculateDisplay()
2072 {
2073     wxDataViewModel *model = GetOwner()->GetModel();
2074     if (!model)
2075     {
2076         Refresh();
2077         return;
2078     }
2079
2080     int width = GetEndOfLastCol();
2081     int height = GetLineStart( GetRowCount() );
2082
2083     SetVirtualSize( width, height );
2084     GetOwner()->SetScrollRate( 10, m_lineHeight );
2085
2086     Refresh();
2087 }
2088
2089 void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
2090 {
2091     wxWindow::ScrollWindow( dx, dy, rect );
2092
2093     if (GetOwner()->m_headerArea)
2094         GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
2095 }
2096
2097 void wxDataViewMainWindow::ScrollTo( int rows, int column )
2098 {
2099     int x, y;
2100     m_owner->GetScrollPixelsPerUnit( &x, &y );
2101     int sy = GetLineStart( rows )/y;
2102     int sx = 0;
2103     if( column != -1 )
2104     {
2105         wxRect rect = GetClientRect();
2106         int colnum = 0;
2107         int x_start, w = 0;
2108         int xx, yy, xe;
2109         m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy );
2110         for (x_start = 0; colnum < column; colnum++)
2111         {
2112             wxDataViewColumn *col = GetOwner()->GetColumnAt(colnum);
2113             if (col->IsHidden())
2114                 continue;      // skip it!
2115
2116             w = col->GetWidth();
2117             x_start += w;
2118         }
2119
2120         int x_end = x_start + w;
2121         xe = xx + rect.width;
2122         if( x_end > xe )
2123         {
2124             sx = ( xx + x_end - xe )/x;
2125         }
2126         if( x_start < xx )
2127         {
2128             sx = x_start/x;
2129         }
2130     }
2131     m_owner->Scroll( sx, sy );
2132 }
2133
2134 int wxDataViewMainWindow::GetCountPerPage() const
2135 {
2136     wxSize size = GetClientSize();
2137     return size.y / m_lineHeight;
2138 }
2139
2140 int wxDataViewMainWindow::GetEndOfLastCol() const
2141 {
2142     int width = 0;
2143     unsigned int i;
2144     for (i = 0; i < GetOwner()->GetColumnCount(); i++)
2145     {
2146         const wxDataViewColumn *c =
2147             const_cast<wxDataViewCtrl*>(GetOwner())->GetColumnAt( i );
2148
2149         if (!c->IsHidden())
2150             width += c->GetWidth();
2151     }
2152     return width;
2153 }
2154
2155 unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
2156 {
2157     int x = 0;
2158     int y = 0;
2159     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
2160
2161     return GetLineAt( y );
2162 }
2163
2164 unsigned int wxDataViewMainWindow::GetLastVisibleRow()
2165 {
2166     wxSize client_size = GetClientSize();
2167     m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
2168                                     &client_size.x, &client_size.y );
2169
2170     // we should deal with the pixel here
2171     unsigned int row = GetLineAt(client_size.y) - 1;
2172
2173     return wxMin( GetRowCount()-1, row );
2174 }
2175
2176 unsigned int wxDataViewMainWindow::GetRowCount()
2177 {
2178     if ( m_count == -1 )
2179     {
2180         m_count = RecalculateCount();
2181         UpdateDisplay();
2182     }
2183     return m_count;
2184 }
2185
2186 void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
2187 {
2188     m_currentRow = row;
2189
2190     // send event
2191 }
2192
2193 void wxDataViewMainWindow::SelectAllRows( bool on )
2194 {
2195     if (IsEmpty())
2196         return;
2197
2198     if (on)
2199     {
2200         m_selection.Clear();
2201         for (unsigned int i = 0; i < GetRowCount(); i++)
2202             m_selection.Add( i );
2203         Refresh();
2204     }
2205     else
2206     {
2207         unsigned int first_visible = GetFirstVisibleRow();
2208         unsigned int last_visible = GetLastVisibleRow();
2209         unsigned int i;
2210         for (i = 0; i < m_selection.GetCount(); i++)
2211         {
2212             unsigned int row = m_selection[i];
2213             if ((row >= first_visible) && (row <= last_visible))
2214                 RefreshRow( row );
2215         }
2216         m_selection.Clear();
2217     }
2218 }
2219
2220 void wxDataViewMainWindow::SelectRow( unsigned int row, bool on )
2221 {
2222     if (m_selection.Index( row ) == wxNOT_FOUND)
2223     {
2224         if (on)
2225         {
2226             m_selection.Add( row );
2227             RefreshRow( row );
2228         }
2229     }
2230     else
2231     {
2232         if (!on)
2233         {
2234             m_selection.Remove( row );
2235             RefreshRow( row );
2236         }
2237     }
2238 }
2239
2240 void wxDataViewMainWindow::SelectRows( unsigned int from, unsigned int to, bool on )
2241 {
2242     if (from > to)
2243     {
2244         unsigned int tmp = from;
2245         from = to;
2246         to = tmp;
2247     }
2248
2249     unsigned int i;
2250     for (i = from; i <= to; i++)
2251     {
2252         if (m_selection.Index( i ) == wxNOT_FOUND)
2253         {
2254             if (on)
2255                 m_selection.Add( i );
2256         }
2257         else
2258         {
2259             if (!on)
2260                 m_selection.Remove( i );
2261         }
2262     }
2263     RefreshRows( from, to );
2264 }
2265
2266 void wxDataViewMainWindow::Select( const wxArrayInt& aSelections )
2267 {
2268     for (size_t i=0; i < aSelections.GetCount(); i++)
2269     {
2270         int n = aSelections[i];
2271
2272         m_selection.Add( n );
2273         RefreshRow( n );
2274     }
2275 }
2276
2277 void wxDataViewMainWindow::ReverseRowSelection( unsigned int row )
2278 {
2279     if (m_selection.Index( row ) == wxNOT_FOUND)
2280         m_selection.Add( row );
2281     else
2282         m_selection.Remove( row );
2283     RefreshRow( row );
2284 }
2285
2286 bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
2287 {
2288     return (m_selection.Index( row ) != wxNOT_FOUND);
2289 }
2290
2291 void wxDataViewMainWindow::SendSelectionChangedEvent( const wxDataViewItem& item)
2292 {
2293     wxWindow *parent = GetParent();
2294     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, parent->GetId());
2295
2296     le.SetEventObject(parent);
2297     le.SetModel(GetOwner()->GetModel());
2298     le.SetItem( item );
2299
2300     parent->GetEventHandler()->ProcessEvent(le);
2301 }
2302
2303 void wxDataViewMainWindow::RefreshRow( unsigned int row )
2304 {
2305     wxRect rect( 0, GetLineStart( row ), GetEndOfLastCol(), GetLineHeight( row ) );
2306     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2307
2308     wxSize client_size = GetClientSize();
2309     wxRect client_rect( 0, 0, client_size.x, client_size.y );
2310     wxRect intersect_rect = client_rect.Intersect( rect );
2311     if (intersect_rect.width > 0)
2312         Refresh( true, &intersect_rect );
2313 }
2314
2315 void wxDataViewMainWindow::RefreshRows( unsigned int from, unsigned int to )
2316 {
2317     if (from > to)
2318     {
2319         unsigned int tmp = to;
2320         to = from;
2321         from = tmp;
2322     }
2323
2324     wxRect rect( 0, GetLineStart( from ), GetEndOfLastCol(), GetLineStart( (to-from+1) ) );
2325     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2326
2327     wxSize client_size = GetClientSize();
2328     wxRect client_rect( 0, 0, client_size.x, client_size.y );
2329     wxRect intersect_rect = client_rect.Intersect( rect );
2330     if (intersect_rect.width > 0)
2331         Refresh( true, &intersect_rect );
2332 }
2333
2334 void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
2335 {
2336     wxSize client_size = GetClientSize();
2337     int start = GetLineStart( firstRow );
2338     m_owner->CalcScrolledPosition( start, 0, &start, NULL );
2339     if (start > client_size.y) return;
2340
2341     wxRect rect( 0, start, client_size.x, client_size.y - start );
2342
2343     Refresh( true, &rect );
2344 }
2345
2346 void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event)
2347 {
2348     wxCHECK_RET( newCurrent < GetRowCount(),
2349                 wxT("invalid item index in OnArrowChar()") );
2350
2351     // if there is no selection, we cannot move it anywhere
2352     if (!HasCurrentRow())
2353         return;
2354
2355     unsigned int oldCurrent = m_currentRow;
2356
2357     // in single selection we just ignore Shift as we can't select several
2358     // items anyhow
2359     if ( event.ShiftDown() && !IsSingleSel() )
2360     {
2361         RefreshRow( oldCurrent );
2362
2363         ChangeCurrentRow( newCurrent );
2364
2365         // select all the items between the old and the new one
2366         if ( oldCurrent > newCurrent )
2367         {
2368             newCurrent = oldCurrent;
2369             oldCurrent = m_currentRow;
2370         }
2371
2372         SelectRows( oldCurrent, newCurrent, true );
2373         if (oldCurrent!=newCurrent)
2374             SendSelectionChangedEvent(GetItemByRow(m_selection[0]));
2375     }
2376     else // !shift
2377     {
2378         RefreshRow( oldCurrent );
2379
2380         // all previously selected items are unselected unless ctrl is held
2381         if ( !event.ControlDown() )
2382             SelectAllRows(false);
2383
2384         ChangeCurrentRow( newCurrent );
2385
2386         if ( !event.ControlDown() )
2387         {
2388             SelectRow( m_currentRow, true );
2389             SendSelectionChangedEvent(GetItemByRow(m_currentRow));
2390         }
2391         else
2392             RefreshRow( m_currentRow );
2393     }
2394
2395     GetOwner()->EnsureVisible( m_currentRow, -1 );
2396 }
2397
2398 wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
2399 {
2400     wxRect rect;
2401     rect.x = 0;
2402     rect.y = GetLineStart( row );
2403     rect.width = GetEndOfLastCol();
2404     rect.height = GetLineHeight( row );
2405
2406     return rect;
2407 }
2408
2409 int wxDataViewMainWindow::GetLineStart( unsigned int row ) const
2410 {
2411     const wxDataViewModel *model = GetOwner()->GetModel();
2412
2413     if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2414     {
2415         // TODO make more efficient
2416
2417         int start = 0;
2418
2419         unsigned int r;
2420         for (r = 0; r < row; r++)
2421         {
2422             const wxDataViewTreeNode* node = GetTreeNodeByRow(r);
2423             if (!node) return start;
2424
2425             wxDataViewItem item = node->GetItem();
2426
2427             if (node && !node->HasChildren())
2428             {
2429                 // Yes, if the node does not have any child, it must be a leaf which
2430                 // mean that it is a temporarily created by GetTreeNodeByRow
2431                 wxDELETE(node);
2432             }
2433
2434             unsigned int cols = GetOwner()->GetColumnCount();
2435             unsigned int col;
2436             int height = m_lineHeight;
2437             for (col = 0; col < cols; col++)
2438             {
2439                 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2440                 if (column->IsHidden())
2441                     continue;      // skip it!
2442
2443                 if ((col != 0) &&
2444                     model->IsContainer(item) &&
2445                     !model->HasContainerColumns(item))
2446                     continue;      // skip it!
2447
2448                 wxVariant value;
2449                 model->GetValue( value, item, column->GetModelColumn() );
2450
2451                 wxDataViewRenderer *renderer =
2452                     const_cast<wxDataViewRenderer*>(column->GetRenderer());
2453                 renderer->SetValue( value );
2454                 height = wxMax( height, renderer->GetSize().y );
2455             }
2456
2457             start += height;
2458         }
2459
2460         return start;
2461     }
2462     else
2463     {
2464         return row * m_lineHeight;
2465     }
2466 }
2467
2468 int wxDataViewMainWindow::GetLineAt( unsigned int y ) const
2469 {
2470     const wxDataViewModel *model = GetOwner()->GetModel();
2471
2472     // check for the easy case first
2473     if ( !GetOwner()->HasFlag(wxDV_VARIABLE_LINE_HEIGHT) )
2474         return y / m_lineHeight;
2475
2476     // TODO make more efficient
2477     unsigned int row = 0;
2478     unsigned int yy = 0;
2479     for (;;)
2480     {
2481         const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2482         if (!node)
2483         {
2484             // not really correct...
2485             return row + ((y-yy) / m_lineHeight);
2486         }
2487
2488         wxDataViewItem item = node->GetItem();
2489
2490         if (node && !node->HasChildren())
2491         {
2492             // Yes, if the node does not have any child, it must be a leaf which
2493             // mean that it is a temporarily created by GetTreeNodeByRow
2494             wxDELETE(node);
2495         }
2496
2497         unsigned int cols = GetOwner()->GetColumnCount();
2498         unsigned int col;
2499         int height = m_lineHeight;
2500         for (col = 0; col < cols; col++)
2501         {
2502             const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2503             if (column->IsHidden())
2504                 continue;      // skip it!
2505
2506             if ((col != 0) &&
2507                 model->IsContainer(item) &&
2508                 !model->HasContainerColumns(item))
2509                 continue;      // skip it!
2510
2511             wxVariant value;
2512             model->GetValue( value, item, column->GetModelColumn() );
2513
2514             wxDataViewRenderer *renderer =
2515                 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2516             renderer->SetValue( value );
2517             height = wxMax( height, renderer->GetSize().y );
2518         }
2519
2520         yy += height;
2521         if (y < yy)
2522             return row;
2523
2524         row++;
2525     }
2526 }
2527
2528 int wxDataViewMainWindow::GetLineHeight( unsigned int row ) const
2529 {
2530     const wxDataViewModel *model = GetOwner()->GetModel();
2531
2532     if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2533     {
2534         wxASSERT( !IsVirtualList() );
2535
2536         const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2537         // wxASSERT( node );
2538         if (!node) return m_lineHeight;
2539
2540         wxDataViewItem item = node->GetItem();
2541
2542         if (node && !node->HasChildren())
2543         {
2544                 // Yes, if the node does not have any child, it must be a leaf which
2545                 // mean that it is a temporarily created by GetTreeNodeByRow
2546             wxDELETE(node);
2547         }
2548
2549         int height = m_lineHeight;
2550
2551         unsigned int cols = GetOwner()->GetColumnCount();
2552         unsigned int col;
2553         for (col = 0; col < cols; col++)
2554         {
2555             const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2556             if (column->IsHidden())
2557                 continue;      // skip it!
2558
2559             if ((col != 0) &&
2560                 model->IsContainer(item) &&
2561                 !model->HasContainerColumns(item))
2562                 continue;      // skip it!
2563
2564             wxVariant value;
2565             model->GetValue( value, item, column->GetModelColumn() );
2566
2567             wxDataViewRenderer *renderer =
2568                 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2569             renderer->SetValue( value );
2570             height = wxMax( height, renderer->GetSize().y );
2571         }
2572
2573         return height;
2574     }
2575     else
2576     {
2577         return m_lineHeight;
2578     }
2579 }
2580
2581 class RowToItemJob: public DoJob
2582 {
2583 public:
2584     RowToItemJob( unsigned int row , int current )
2585         { this->row = row; this->current = current; }
2586     virtual ~RowToItemJob() {}
2587
2588     virtual int operator() ( wxDataViewTreeNode * node )
2589     {
2590         current ++;
2591         if( current == static_cast<int>(row))
2592         {
2593             ret = node->GetItem();
2594             return DoJob::OK;
2595         }
2596
2597         if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2598         {
2599             current += node->GetSubTreeCount();
2600             return  DoJob::IGR;
2601         }
2602         else
2603         {
2604             // If the current has no child node, we can find the desired item of the row
2605             // number directly.
2606             // This if can speed up finding in some case, and will has a very good effect
2607             // when it comes to list view
2608             if( node->GetNodes().GetCount() == 0)
2609             {
2610                 int index = static_cast<int>(row) - current - 1;
2611                 ret = node->GetChildren().Item( index );
2612                 return DoJob::OK;
2613             }
2614             return DoJob::CONT;
2615         }
2616     }
2617
2618     virtual int operator() ( void * n )
2619     {
2620         current ++;
2621         if( current == static_cast<int>(row))
2622         {
2623             ret = wxDataViewItem( n );
2624             return DoJob::OK;
2625         }
2626         return DoJob::CONT;
2627     }
2628
2629     wxDataViewItem GetResult() const
2630         { return ret; }
2631
2632 private:
2633     unsigned int row;
2634     int current;
2635     wxDataViewItem ret;
2636 };
2637
2638 wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
2639 {
2640     if (IsVirtualList())
2641     {
2642         return wxDataViewItem( wxUIntToPtr(row+1) );
2643     }
2644     else
2645     {
2646         RowToItemJob job( row, -2 );
2647         Walker( m_root , job );
2648         return job.GetResult();
2649     }
2650 }
2651
2652 class RowToTreeNodeJob: public DoJob
2653 {
2654 public:
2655     RowToTreeNodeJob( unsigned int row , int current, wxDataViewTreeNode * node )
2656     {
2657         this->row = row;
2658         this->current = current;
2659         ret = NULL;
2660         parent = node;
2661     }
2662     virtual ~RowToTreeNodeJob(){ }
2663
2664     virtual int operator() ( wxDataViewTreeNode * node )
2665     {
2666         current ++;
2667         if( current == static_cast<int>(row))
2668         {
2669             ret = node;
2670             return DoJob::OK;
2671         }
2672
2673         if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2674         {
2675             current += node->GetSubTreeCount();
2676             return  DoJob::IGR;
2677         }
2678         else
2679         {
2680             parent = node;
2681
2682             // If the current node has no children, we can find the desired item of the
2683             // row number directly.
2684             // This if can speed up finding in some case, and will have a very good
2685             // effect for list views.
2686             if( node->GetNodes().GetCount() == 0)
2687             {
2688                 int index = static_cast<int>(row) - current - 1;
2689                 void * n = node->GetChildren().Item( index );
2690                 ret = new wxDataViewTreeNode( parent );
2691                 ret->SetItem( wxDataViewItem( n ));
2692                 ret->SetHasChildren(false);
2693                 return DoJob::OK;
2694             }
2695             return DoJob::CONT;
2696         }
2697     }
2698
2699     virtual int operator() ( void * n )
2700     {
2701         current ++;
2702         if( current == static_cast<int>(row))
2703         {
2704             ret = new wxDataViewTreeNode( parent );
2705             ret->SetItem( wxDataViewItem( n ));
2706             ret->SetHasChildren(false);
2707             return DoJob::OK;
2708         }
2709
2710         return DoJob::CONT;
2711     }
2712
2713     wxDataViewTreeNode * GetResult() const
2714         { return ret; }
2715
2716 private:
2717     unsigned int row;
2718     int current;
2719     wxDataViewTreeNode * ret;
2720     wxDataViewTreeNode * parent;
2721 };
2722
2723 wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row) const
2724 {
2725     wxASSERT( !IsVirtualList() );
2726
2727     RowToTreeNodeJob job( row , -2, m_root );
2728     Walker( m_root , job );
2729     return job.GetResult();
2730 }
2731
2732 wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type,
2733                                                          const wxDataViewItem & item )
2734 {
2735     wxWindow *parent = GetParent();
2736     wxDataViewEvent le(type, parent->GetId());
2737
2738     le.SetEventObject(parent);
2739     le.SetModel(GetOwner()->GetModel());
2740     le.SetItem( item );
2741
2742     parent->GetEventHandler()->ProcessEvent(le);
2743     return le;
2744 }
2745
2746 bool wxDataViewMainWindow::IsExpanded( unsigned int row ) const
2747 {
2748     if (IsVirtualList())
2749         return false;
2750
2751     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2752     if (!node)
2753         return false;
2754
2755     if (!node->HasChildren())
2756     {
2757         delete node;
2758         return false;
2759     }
2760
2761     return node->IsOpen();
2762 }
2763
2764 bool wxDataViewMainWindow::HasChildren( unsigned int row ) const
2765 {
2766     if (IsVirtualList())
2767         return false;
2768
2769     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2770     if (!node)
2771         return false;
2772
2773     if (!node->HasChildren())
2774     {
2775         delete node;
2776         return false;
2777     }
2778
2779     return true;
2780 }
2781
2782 void wxDataViewMainWindow::Expand( unsigned int row )
2783 {
2784     if (IsVirtualList())
2785         return;
2786
2787     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2788     if (!node)
2789         return;
2790
2791     if (!node->HasChildren())
2792     {
2793         delete node;
2794         return;
2795     }
2796
2797             if (!node->IsOpen())
2798             {
2799                 wxDataViewEvent e =
2800                     SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, node->GetItem());
2801
2802                 // Check if the user prevent expanding
2803                 if( e.GetSkipped() )
2804                     return;
2805
2806                 node->ToggleOpen();
2807
2808                 // build the children of current node
2809                 if( node->GetChildrenNumber() == 0 )
2810                 {
2811                     SortPrepare();
2812                     ::BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node);
2813                 }
2814
2815                 // By expanding the node all row indices that are currently in the selection list
2816                 // and are greater than our node have become invalid. So we have to correct that now.
2817                 const unsigned rowAdjustment = node->GetSubTreeCount();
2818                 for(unsigned i=0; i<m_selection.size(); ++i)
2819                 {
2820                     const unsigned testRow = m_selection[i];
2821                     // all rows above us are not affected, so skip them
2822                     if(testRow <= row)
2823                         continue;
2824
2825                     m_selection[i] += rowAdjustment;
2826                 }
2827
2828                 if(m_currentRow > row)
2829                     ChangeCurrentRow(m_currentRow + rowAdjustment);
2830
2831                 m_count = -1;
2832                 UpdateDisplay();
2833                 // Send the expanded event
2834                 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
2835             }
2836 }
2837
2838 void wxDataViewMainWindow::Collapse(unsigned int row)
2839 {
2840     if (IsVirtualList())
2841         return;
2842
2843     wxDataViewTreeNode *node = GetTreeNodeByRow(row);
2844     if (!node)
2845         return;
2846
2847     if (!node->HasChildren())
2848     {
2849         delete node;
2850         return;
2851     }
2852
2853         if (node->IsOpen())
2854         {
2855             wxDataViewEvent e =
2856                 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem());
2857             if( e.GetSkipped() )
2858                 return;
2859
2860             // Find out if there are selected items below the current node.
2861             bool selectCollapsingRow = false;
2862             const unsigned rowAdjustment = node->GetSubTreeCount();
2863             unsigned maxRowToBeTested = row + rowAdjustment;
2864             for(unsigned i=0; i<m_selection.size(); ++i)
2865             {
2866                 const unsigned testRow = m_selection[i];
2867                 if(testRow > row && testRow <= maxRowToBeTested)
2868                 {
2869                     selectCollapsingRow = true;
2870                     // get out as soon as we have found a node that is selected
2871                     break;
2872                 }
2873             }
2874
2875             node->ToggleOpen();
2876
2877             // If the node to be closed has selected items the user won't see those any longer.
2878             // We select the collapsing node in this case.
2879             if(selectCollapsingRow)
2880             {
2881                 SelectAllRows(false);
2882                 ChangeCurrentRow(row);
2883                 SelectRow(row, true);
2884                 SendSelectionChangedEvent(GetItemByRow(row));
2885             }
2886             else
2887             {
2888                 // if there were no selected items below our node we still need to "fix" the
2889                 // selection list to adjust for the changing of the row indices.
2890                 // We actually do the opposite of what we are doing in Expand().
2891                 for(unsigned i=0; i<m_selection.size(); ++i)
2892                 {
2893                     const unsigned testRow = m_selection[i];
2894                     // all rows above us are not affected, so skip them
2895                     if(testRow <= row)
2896                         continue;
2897
2898                     m_selection[i] -= rowAdjustment;
2899                 }
2900
2901                 // if the "current row" is being collapsed away we change it to the current row ;-)
2902                 if(m_currentRow > row && m_currentRow <= maxRowToBeTested)
2903                     ChangeCurrentRow(row);
2904                 else if(m_currentRow > row)
2905                     ChangeCurrentRow(m_currentRow - rowAdjustment);
2906             }
2907
2908             m_count = -1;
2909             UpdateDisplay();
2910             SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,node->GetItem());
2911         }
2912 }
2913
2914 wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
2915 {
2916     wxDataViewModel * model = GetOwner()->GetModel();
2917     if( model == NULL )
2918         return NULL;
2919
2920     if (!item.IsOk())
2921         return m_root;
2922
2923     // Compose the a parent-chain of the finding item
2924     ItemList list;
2925     list.DeleteContents( true );
2926     wxDataViewItem it( item );
2927     while( it.IsOk() )
2928     {
2929         wxDataViewItem * pItem = new wxDataViewItem( it );
2930         list.Insert( pItem );
2931         it = model->GetParent( it );
2932     }
2933
2934     // Find the item along the parent-chain.
2935     // This algorithm is designed to speed up the node-finding method
2936     wxDataViewTreeNode * node = m_root;
2937     for( ItemList::const_iterator iter = list.begin(); iter !=list.end(); iter++ )
2938     {
2939         if( node->HasChildren() )
2940         {
2941             if( node->GetChildrenNumber() == 0 )
2942             {
2943                 SortPrepare();
2944                 ::BuildTreeHelper(model, node->GetItem(), node);
2945             }
2946
2947             wxDataViewTreeNodes nodes = node->GetNodes();
2948             unsigned int i;
2949             bool found = false;
2950
2951             for (i = 0; i < nodes.GetCount(); i ++)
2952             {
2953                 if (nodes[i]->GetItem() == (**iter))
2954                 {
2955                     if (nodes[i]->GetItem() == item)
2956                     return nodes[i];
2957
2958                     node = nodes[i];
2959                     found = true;
2960                     break;
2961                 }
2962             }
2963             if (!found)
2964                 return NULL;
2965         }
2966         else
2967             return NULL;
2968     }
2969     return NULL;
2970 }
2971
2972 void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item,
2973                                     wxDataViewColumn* &column )
2974 {
2975     wxDataViewColumn *col = NULL;
2976     unsigned int cols = GetOwner()->GetColumnCount();
2977     unsigned int colnum = 0;
2978     int x, y;
2979     m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y );
2980     for (unsigned x_start = 0; colnum < cols; colnum++)
2981     {
2982         col = GetOwner()->GetColumnAt(colnum);
2983         if (col->IsHidden())
2984             continue;      // skip it!
2985
2986         unsigned int w = col->GetWidth();
2987         if (x_start+w >= (unsigned int)x)
2988             break;
2989
2990         x_start += w;
2991     }
2992
2993     column = col;
2994     item = GetItemByRow( GetLineAt( y ) );
2995 }
2996
2997 wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item,
2998                                           const wxDataViewColumn* column )
2999 {
3000     int xpos = 0;
3001     int width = 0;
3002
3003     unsigned int cols = GetOwner()->GetColumnCount();
3004     // If column is null the loop will compute the combined width of all columns.
3005     // Otherwise, it will compute the x position of the column we are looking for.
3006     for (unsigned int i = 0; i < cols; i++)
3007     {
3008         wxDataViewColumn* col = GetOwner()->GetColumnAt( i );
3009
3010         if (col == column)
3011             break;
3012
3013         if (col->IsHidden())
3014             continue;      // skip it!
3015
3016         xpos += col->GetWidth();
3017         width += col->GetWidth();
3018     }
3019
3020     if(column != 0)
3021     {
3022         // If we have a column, we need can get its width directly.
3023         if(column->IsHidden())
3024             width = 0;
3025         else
3026             width = column->GetWidth();
3027
3028     }
3029     else
3030     {
3031         // If we have no column, we reset the x position back to zero.
3032         xpos = 0;
3033     }
3034
3035     // we have to take an expander column into account and compute its indentation
3036     // to get the correct x position where the actual text is
3037     int indent = 0;
3038     int row = GetRowByItem(item);
3039     if (!IsVirtualList() && (column == 0 || GetOwner()->GetExpanderColumn() == column) )
3040     {
3041         wxDataViewTreeNode* node = GetTreeNodeByRow(row);
3042         indent = GetOwner()->GetIndent() * node->GetIndentLevel();
3043         indent = indent + m_lineHeight; // use m_lineHeight as the width of the expander
3044
3045         if(!node->HasChildren())
3046             delete node;
3047     }
3048
3049     wxRect itemRect( xpos + indent,
3050                      GetLineStart( row ),
3051                      width - indent,
3052                      GetLineHeight( row ) );
3053
3054     GetOwner()->CalcScrolledPosition(  itemRect.x,  itemRect.y,
3055                                       &itemRect.x, &itemRect.y );
3056
3057     return itemRect;
3058 }
3059
3060 int wxDataViewMainWindow::RecalculateCount()
3061 {
3062     if (IsVirtualList())
3063     {
3064         wxDataViewVirtualListModel *list_model =
3065             (wxDataViewVirtualListModel*) GetOwner()->GetModel();
3066
3067         return list_model->GetCount();
3068     }
3069     else
3070     {
3071         return m_root->GetSubTreeCount();
3072     }
3073 }
3074
3075 class ItemToRowJob : public DoJob
3076 {
3077 public:
3078     ItemToRowJob(const wxDataViewItem& item_, ItemList::const_iterator iter)
3079         : m_iter(iter),
3080         item(item_)
3081     {
3082         ret = -1;
3083     }
3084
3085     // Maybe binary search will help to speed up this process
3086     virtual int operator() ( wxDataViewTreeNode * node)
3087     {
3088         ret ++;
3089         if( node->GetItem() == item )
3090         {
3091             return DoJob::OK;
3092         }
3093
3094         if( node->GetItem() == **m_iter )
3095         {
3096             m_iter++;
3097             return DoJob::CONT;
3098         }
3099         else
3100         {
3101             ret += node->GetSubTreeCount();
3102             return DoJob::IGR;
3103         }
3104
3105     }
3106
3107     virtual int operator() ( void * n )
3108     {
3109         ret ++;
3110         if( n == item.GetID() )
3111             return DoJob::OK;
3112         return DoJob::CONT;
3113     }
3114
3115     // the row number is begin from zero
3116     int GetResult() const
3117         { return ret -1; }
3118
3119 private:
3120     ItemList::const_iterator  m_iter;
3121     wxDataViewItem item;
3122     int ret;
3123
3124 };
3125
3126 int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item) const
3127 {
3128     const wxDataViewModel * model = GetOwner()->GetModel();
3129     if( model == NULL )
3130         return -1;
3131
3132     if (IsVirtualList())
3133     {
3134         return wxPtrToUInt( item.GetID() ) -1;
3135     }
3136     else
3137     {
3138         if( !item.IsOk() )
3139             return -1;
3140
3141         // Compose the a parent-chain of the finding item
3142         ItemList list;
3143         wxDataViewItem * pItem;
3144         list.DeleteContents( true );
3145         wxDataViewItem it( item );
3146         while( it.IsOk() )
3147         {
3148             pItem = new wxDataViewItem( it );
3149             list.Insert( pItem );
3150             it = model->GetParent( it );
3151         }
3152         pItem = new wxDataViewItem( );
3153         list.Insert( pItem );
3154
3155         ItemToRowJob job( item, list.begin() );
3156         Walker(m_root , job );
3157         return job.GetResult();
3158     }
3159 }
3160
3161 static void BuildTreeHelper( wxDataViewModel * model,  wxDataViewItem & item,
3162                              wxDataViewTreeNode * node)
3163 {
3164     if( !model->IsContainer( item ) )
3165         return;
3166
3167     wxDataViewItemArray children;
3168     unsigned int num = model->GetChildren( item, children);
3169
3170     unsigned int index = 0;
3171     while( index < num )
3172     {
3173         if( model->IsContainer( children[index] ) )
3174         {
3175             wxDataViewTreeNode * n = new wxDataViewTreeNode( node );
3176             n->SetItem(children[index]);
3177             n->SetHasChildren( true );
3178             node->AddNode( n );
3179         }
3180         else
3181         {
3182             node->AddLeaf( children[index].GetID() );
3183         }
3184         index ++;
3185     }
3186     node->SetSubTreeCount( num );
3187     wxDataViewTreeNode * n = node->GetParent();
3188     if( n != NULL)
3189         n->ChangeSubTreeCount(num);
3190
3191 }
3192
3193 void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
3194 {
3195     DestroyTree();
3196
3197     if (GetOwner()->GetModel()->IsVirtualListModel())
3198     {
3199         m_count = -1;
3200         return;
3201     }
3202
3203     m_root = new wxDataViewTreeNode( NULL );
3204     m_root->SetHasChildren(true);
3205
3206     // First we define a invalid item to fetch the top-level elements
3207     wxDataViewItem item;
3208     SortPrepare();
3209     BuildTreeHelper( model, item, m_root);
3210     m_count = -1;
3211 }
3212
3213 static void DestroyTreeHelper( wxDataViewTreeNode * node )
3214 {
3215     if( node->GetNodeNumber() != 0 )
3216     {
3217         int len = node->GetNodeNumber();
3218         wxDataViewTreeNodes& nodes = node->GetNodes();
3219         for (int i = 0; i < len; i++)
3220             DestroyTreeHelper(nodes[i]);
3221     }
3222     delete node;
3223 }
3224
3225 void wxDataViewMainWindow::DestroyTree()
3226 {
3227     if (!IsVirtualList())
3228     {
3229         ::DestroyTreeHelper(m_root);
3230             m_count = 0;
3231             m_root = NULL;
3232     }
3233 }
3234
3235 void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
3236 {
3237     if ( GetParent()->HandleAsNavigationKey(event) )
3238         return;
3239
3240     // no item -> nothing to do
3241     if (!HasCurrentRow())
3242     {
3243         event.Skip();
3244         return;
3245     }
3246
3247     // don't use m_linesPerPage directly as it might not be computed yet
3248     const int pageSize = GetCountPerPage();
3249     wxCHECK_RET( pageSize, wxT("should have non zero page size") );
3250
3251     switch ( event.GetKeyCode() )
3252     {
3253         case WXK_RETURN:
3254             {
3255                 wxWindow *parent = GetParent();
3256                 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED,
3257                                    parent->GetId());
3258                 le.SetItem( GetItemByRow(m_currentRow) );
3259                 le.SetEventObject(parent);
3260                 le.SetModel(GetOwner()->GetModel());
3261
3262                 parent->GetEventHandler()->ProcessEvent(le);
3263             }
3264             break;
3265
3266         case WXK_UP:
3267             if ( m_currentRow > 0 )
3268                 OnArrowChar( m_currentRow - 1, event );
3269             break;
3270
3271         case WXK_DOWN:
3272             if ( m_currentRow < GetRowCount() - 1 )
3273                 OnArrowChar( m_currentRow + 1, event );
3274             break;
3275         // Add the process for tree expanding/collapsing
3276         case WXK_LEFT:
3277         {
3278             if (IsVirtualList())
3279                break;
3280
3281             wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow);
3282             if (!node)
3283                 break;
3284
3285             if (node->HasChildren() && node->IsOpen())
3286             {
3287                 Collapse(m_currentRow);
3288             }
3289             else    // if the node is already closed we move the selection to its parent
3290             {
3291                 wxDataViewTreeNode *parent_node = node->GetParent();
3292
3293                 if(!node->HasChildren())
3294                     delete node;
3295
3296                 if (parent_node)
3297                 {
3298                     int parent = GetRowByItem( parent_node->GetItem() );
3299                     if ( parent >= 0 )
3300                     {
3301                         unsigned int row = m_currentRow;
3302                         SelectRow( row, false);
3303                         SelectRow( parent, true );
3304                         ChangeCurrentRow( parent );
3305                         GetOwner()->EnsureVisible( parent, -1 );
3306                         SendSelectionChangedEvent( parent_node->GetItem() );
3307                     }
3308                 }
3309             }
3310             break;
3311         }
3312         case WXK_RIGHT:
3313         {
3314             if (!IsExpanded( m_currentRow ))
3315                 Expand( m_currentRow );
3316             else
3317             {
3318                 unsigned int row = m_currentRow;
3319                 SelectRow( row, false );
3320                 SelectRow( row + 1, true );
3321                 ChangeCurrentRow( row + 1 );
3322                 GetOwner()->EnsureVisible( row + 1, -1 );
3323                 SendSelectionChangedEvent( GetItemByRow(row+1) );
3324             }
3325             break;
3326         }
3327         case WXK_END:
3328         {
3329             if (!IsEmpty())
3330                 OnArrowChar( GetRowCount() - 1, event );
3331             break;
3332         }
3333         case WXK_HOME:
3334             if (!IsEmpty())
3335                 OnArrowChar( 0, event );
3336             break;
3337
3338         case WXK_PAGEUP:
3339             {
3340                 int steps = pageSize - 1;
3341                 int index = m_currentRow - steps;
3342                 if (index < 0)
3343                     index = 0;
3344
3345                 OnArrowChar( index, event );
3346             }
3347             break;
3348
3349         case WXK_PAGEDOWN:
3350             {
3351                 int steps = pageSize - 1;
3352                 unsigned int index = m_currentRow + steps;
3353                 unsigned int count = GetRowCount();
3354                 if ( index >= count )
3355                     index = count - 1;
3356
3357                 OnArrowChar( index, event );
3358             }
3359             break;
3360
3361         case WXK_F2:
3362             {
3363                 if(m_selection.size() == 1)
3364                 {
3365                     // TODO: we need to revise that when we have a concept for a 'current column'
3366                     GetOwner()->StartEditor(GetItemByRow(m_selection[0]), 0);
3367                 }
3368             }
3369             break;
3370
3371         default:
3372             event.Skip();
3373     }
3374 }
3375
3376 void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
3377 {
3378     if (event.GetEventType() == wxEVT_MOUSEWHEEL)
3379     {
3380         // let the base handle mouse wheel events.
3381         event.Skip();
3382         return;
3383     }
3384
3385     int x = event.GetX();
3386     int y = event.GetY();
3387     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
3388     wxDataViewColumn *col = NULL;
3389
3390     int xpos = 0;
3391     unsigned int cols = GetOwner()->GetColumnCount();
3392     unsigned int i;
3393     for (i = 0; i < cols; i++)
3394     {
3395         wxDataViewColumn *c = GetOwner()->GetColumnAt( i );
3396         if (c->IsHidden())
3397             continue;      // skip it!
3398
3399         if (x < xpos + c->GetWidth())
3400         {
3401             col = c;
3402             break;
3403         }
3404         xpos += c->GetWidth();
3405     }
3406     if (!col)
3407         return;
3408
3409     wxDataViewRenderer *cell = col->GetRenderer();
3410     unsigned int current = GetLineAt( y );
3411     if ((current >= GetRowCount()) || (x > GetEndOfLastCol()))
3412     {
3413         // Unselect all if below the last row ?
3414         return;
3415     }
3416
3417     // Test whether the mouse is hovered on the tree item button
3418     bool hoverOverExpander = false;
3419     if ((!IsVirtualList()) && (GetOwner()->GetExpanderColumn() == col))
3420     {
3421         wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3422         if( node!=NULL && node->HasChildren() )
3423         {
3424             int indent = node->GetIndentLevel();
3425             indent = GetOwner()->GetIndent()*indent;
3426
3427             // we make the rectangle we are looking in a bit bigger than the actual
3428             // visual expander so the user can hit that little thing reliably
3429             wxRect rect( xpos + indent,
3430                         GetLineStart( current ) + (GetLineHeight(current) - m_lineHeight)/2,
3431                         m_lineHeight, m_lineHeight);
3432             if( rect.Contains(x, y) )
3433             {
3434                 // So the mouse is over the expander
3435                 hoverOverExpander = true;
3436                 if (m_underMouse && m_underMouse != node)
3437                 {
3438                     // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3439                     RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3440                 }
3441                 if (m_underMouse != node)
3442                 {
3443                     // wxLogMessage("Do the row: %d", current);
3444                     RefreshRow(current);
3445                 }
3446                 m_underMouse = node;
3447             }
3448         }
3449         if (node!=NULL && !node->HasChildren())
3450             delete node;
3451     }
3452     if (!hoverOverExpander)
3453     {
3454         if (m_underMouse != NULL)
3455         {
3456             // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3457             RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3458             m_underMouse = NULL;
3459         }
3460     }
3461
3462     wxDataViewModel *model = GetOwner()->GetModel();
3463
3464 #if wxUSE_DRAG_AND_DROP
3465     if (event.Dragging())
3466     {
3467         if (m_dragCount == 0)
3468         {
3469             // we have to report the raw, physical coords as we want to be
3470             // able to call HitTest(event.m_pointDrag) from the user code to
3471             // get the item being dragged
3472             m_dragStart = event.GetPosition();
3473         }
3474
3475         m_dragCount++;
3476
3477         if (m_dragCount != 3)
3478             return;
3479
3480         if (event.LeftIsDown())
3481         {
3482             m_owner->CalcUnscrolledPosition( m_dragStart.x, m_dragStart.y,
3483                                              &m_dragStart.x, &m_dragStart.y );
3484             unsigned int drag_item_row = GetLineAt( m_dragStart.y );
3485             wxDataViewItem item = GetItemByRow( drag_item_row );
3486
3487             // Notify cell about drag
3488             wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() );
3489             event.SetEventObject( m_owner );
3490             event.SetItem( item );
3491             event.SetModel( model );
3492             if (!m_owner->HandleWindowEvent( event ))
3493                 return;
3494
3495             if (!event.IsAllowed())
3496                 return;
3497
3498             wxDataObject *obj = event.GetDataObject();
3499             if (!obj)
3500                 return;
3501
3502             wxDataViewDropSource drag( this, drag_item_row );
3503             drag.SetData( *obj );
3504             /* wxDragResult res = */ drag.DoDragDrop();
3505             delete obj;
3506         }
3507         return;
3508     }
3509     else
3510     {
3511         m_dragCount = 0;
3512     }
3513 #endif // wxUSE_DRAG_AND_DROP
3514
3515     bool simulateClick = false;
3516
3517     if (event.ButtonDClick())
3518     {
3519         m_renameTimer->Stop();
3520         m_lastOnSame = false;
3521     }
3522
3523     wxDataViewItem item = GetItemByRow(current);
3524     bool ignore_other_columns =
3525         ((GetOwner()->GetExpanderColumn() != col) &&
3526         (model->IsContainer(item)) &&
3527         (!model->HasContainerColumns(item)));
3528
3529     if (event.LeftDClick())
3530     {
3531         if(hoverOverExpander)
3532         {
3533             // a double click on the expander will be converted into a "simulated" normal click
3534             simulateClick = true;
3535         }
3536         else if ( current == m_lineLastClicked )
3537         {
3538             if ((!ignore_other_columns) && (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE))
3539             {
3540                 if ( wxDataViewCustomRenderer *custom = cell->WXGetAsCustom() )
3541                 {
3542                     wxVariant value;
3543                     model->GetValue( value, item, col->GetModelColumn() );
3544                     custom->SetValue( value );
3545                     wxRect cell_rect( xpos, GetLineStart( current ),
3546                                     col->GetWidth(), GetLineHeight( current ) );
3547                     custom->Activate( cell_rect, model, item, col->GetModelColumn() );
3548                 }
3549             }
3550             else
3551             {
3552                 wxWindow *parent = GetParent();
3553                 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
3554                 le.SetItem( item );
3555                 le.SetEventObject(parent);
3556                 le.SetModel(GetOwner()->GetModel());
3557
3558                 parent->GetEventHandler()->ProcessEvent(le);
3559             }
3560             return;
3561         }
3562         else
3563         {
3564             // The first click was on another item, so don't interpret this as
3565             // a double click, but as a simple click instead
3566             simulateClick = true;
3567         }
3568     }
3569
3570     if (event.LeftUp() && !hoverOverExpander)
3571     {
3572         if (m_lineSelectSingleOnUp != (unsigned int)-1)
3573         {
3574             // select single line
3575             SelectAllRows( false );
3576             SelectRow( m_lineSelectSingleOnUp, true );
3577             SendSelectionChangedEvent( GetItemByRow(m_lineSelectSingleOnUp) );
3578         }
3579
3580         // If the user click the expander, we do not do editing even if the column
3581         // with expander are editable
3582         if (m_lastOnSame && !ignore_other_columns)
3583         {
3584             if ((col == m_currentCol) && (current == m_currentRow) &&
3585                 (cell->GetMode() & wxDATAVIEW_CELL_EDITABLE) )
3586             {
3587                 m_renameTimer->Start( 100, true );
3588             }
3589         }
3590
3591         m_lastOnSame = false;
3592         m_lineSelectSingleOnUp = (unsigned int)-1;
3593     }
3594     else if(!event.LeftUp())
3595     {
3596         // This is necessary, because after a DnD operation in
3597         // from and to ourself, the up event is swallowed by the
3598         // DnD code. So on next non-up event (which means here and
3599         // now) m_lineSelectSingleOnUp should be reset.
3600         m_lineSelectSingleOnUp = (unsigned int)-1;
3601     }
3602
3603     if (event.RightDown())
3604     {
3605         m_lineBeforeLastClicked = m_lineLastClicked;
3606         m_lineLastClicked = current;
3607
3608         // If the item is already selected, do not update the selection.
3609         // Multi-selections should not be cleared if a selected item is clicked.
3610         if (!IsRowSelected(current))
3611         {
3612             SelectAllRows(false);
3613             ChangeCurrentRow(current);
3614             SelectRow(m_currentRow,true);
3615             SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3616         }
3617     }
3618     else if (event.RightUp())
3619     {
3620         wxVariant value;
3621         model->GetValue( value, item, col->GetModelColumn() );
3622         wxWindow *parent = GetParent();
3623         wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, parent->GetId());
3624         le.SetItem( item );
3625         le.SetEventObject(parent);
3626         le.SetModel(GetOwner()->GetModel());
3627         le.SetValue(value);
3628         parent->GetEventHandler()->ProcessEvent(le);
3629     }
3630     else if (event.MiddleDown())
3631     {
3632     }
3633
3634     if((event.LeftDown() || simulateClick) && hoverOverExpander)
3635     {
3636         wxDataViewTreeNode* node = GetTreeNodeByRow(current);
3637
3638         // hoverOverExpander being true tells us that our node must be
3639         // valid and have children.
3640         // So we don't need any extra checks.
3641         if( node->IsOpen() )
3642             Collapse(current);
3643         else
3644             Expand(current);
3645     }
3646     else if ((event.LeftDown() || simulateClick) && !hoverOverExpander)
3647     {
3648         SetFocus();
3649
3650         m_lineBeforeLastClicked = m_lineLastClicked;
3651         m_lineLastClicked = current;
3652
3653         unsigned int oldCurrentRow = m_currentRow;
3654         bool oldWasSelected = IsRowSelected(m_currentRow);
3655
3656         bool cmdModifierDown = event.CmdDown();
3657         if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
3658         {
3659             if ( IsSingleSel() || !IsRowSelected(current) )
3660             {
3661                 SelectAllRows( false );
3662                 ChangeCurrentRow(current);
3663                 SelectRow(m_currentRow,true);
3664                 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3665             }
3666             else // multi sel & current is highlighted & no mod keys
3667             {
3668                 m_lineSelectSingleOnUp = current;
3669                 ChangeCurrentRow(current); // change focus
3670             }
3671         }
3672         else // multi sel & either ctrl or shift is down
3673         {
3674             if (cmdModifierDown)
3675             {
3676                 ChangeCurrentRow(current);
3677                 ReverseRowSelection(m_currentRow);
3678                 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3679             }
3680             else if (event.ShiftDown())
3681             {
3682                 ChangeCurrentRow(current);
3683
3684                 unsigned int lineFrom = oldCurrentRow,
3685                     lineTo = current;
3686
3687                 if ( lineTo < lineFrom )
3688                 {
3689                     lineTo = lineFrom;
3690                     lineFrom = m_currentRow;
3691                 }
3692
3693                 SelectRows(lineFrom, lineTo, true);
3694                 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3695             }
3696             else // !ctrl, !shift
3697             {
3698                 // test in the enclosing if should make it impossible
3699                 wxFAIL_MSG( wxT("how did we get here?") );
3700             }
3701         }
3702
3703         if (m_currentRow != oldCurrentRow)
3704             RefreshRow( oldCurrentRow );
3705
3706         wxDataViewColumn *oldCurrentCol = m_currentCol;
3707
3708         // Update selection here...
3709         m_currentCol = col;
3710
3711         m_lastOnSame = !simulateClick && ((col == oldCurrentCol) &&
3712                         (current == oldCurrentRow)) && oldWasSelected;
3713
3714         // Call LeftClick after everything else as under GTK+
3715         if (cell->GetMode() & wxDATAVIEW_CELL_ACTIVATABLE)
3716         {
3717             if ( wxDataViewCustomRenderer *custom = cell->WXGetAsCustom() )
3718             {
3719                 // notify cell about click
3720                 wxVariant value;
3721                 model->GetValue( value, item, col->GetModelColumn() );
3722                 custom->SetValue( value );
3723                 wxRect cell_rect( xpos, GetLineStart( current ),
3724                                   col->GetWidth(), GetLineHeight( current ) );
3725                  /* ignore ret */ custom->LeftClick( event.GetPosition(), cell_rect,
3726                                   model, item, col->GetModelColumn());
3727             }
3728         }
3729     }
3730 }
3731
3732 void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
3733 {
3734     m_hasFocus = true;
3735
3736     if (HasCurrentRow())
3737         Refresh();
3738
3739     event.Skip();
3740 }
3741
3742 void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event )
3743 {
3744     m_hasFocus = false;
3745
3746     if (HasCurrentRow())
3747         Refresh();
3748
3749     event.Skip();
3750 }
3751
3752 wxDataViewItem wxDataViewMainWindow::GetSelection() const
3753 {
3754     if( m_selection.GetCount() != 1 )
3755         return wxDataViewItem();
3756
3757     return GetItemByRow( m_selection.Item(0));
3758 }
3759
3760 //-----------------------------------------------------------------------------
3761 // wxDataViewCtrl
3762 //-----------------------------------------------------------------------------
3763
3764 WX_DEFINE_LIST(wxDataViewColumnList)
3765
3766 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
3767 BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
3768     EVT_SIZE(wxDataViewCtrl::OnSize)
3769 END_EVENT_TABLE()
3770
3771 wxDataViewCtrl::~wxDataViewCtrl()
3772 {
3773     if (m_notifier)
3774         GetModel()->RemoveNotifier( m_notifier );
3775
3776     m_cols.Clear();
3777 }
3778
3779 void wxDataViewCtrl::Init()
3780 {
3781     m_cols.DeleteContents(true);
3782     m_notifier = NULL;
3783
3784     // No sorting column at start
3785     m_sortingColumnIdx = wxNOT_FOUND;
3786
3787     m_headerArea = NULL;
3788 }
3789
3790 bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
3791                             const wxPoint& pos, const wxSize& size,
3792                             long style, const wxValidator& validator )
3793 {
3794 //    if ( (style & wxBORDER_MASK) == 0)
3795 //        style |= wxBORDER_SUNKEN;
3796
3797     Init();
3798
3799     if (!wxControl::Create( parent, id, pos, size,
3800                             style | wxScrolledWindowStyle, validator))
3801         return false;
3802
3803     SetInitialSize(size);
3804
3805 #ifdef __WXMAC__
3806     MacSetClipChildren( true );
3807 #endif
3808
3809     m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
3810
3811     if (HasFlag(wxDV_NO_HEADER))
3812         m_headerArea = NULL;
3813     else
3814         m_headerArea = new wxDataViewHeaderWindow(this);
3815
3816     SetTargetWindow( m_clientArea );
3817
3818     wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
3819     if (m_headerArea)
3820         sizer->Add( m_headerArea, 0, wxGROW );
3821     sizer->Add( m_clientArea, 1, wxGROW );
3822     SetSizer( sizer );
3823
3824     return true;
3825 }
3826
3827 wxBorder wxDataViewCtrl::GetDefaultBorder() const
3828 {
3829     return wxBORDER_THEME;
3830 }
3831
3832 #ifdef __WXMSW__
3833 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
3834                                         WXWPARAM wParam,
3835                                         WXLPARAM lParam)
3836 {
3837     WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
3838
3839 #ifndef __WXWINCE__
3840     // we need to process arrows ourselves for scrolling
3841     if ( nMsg == WM_GETDLGCODE )
3842     {
3843         rc |= DLGC_WANTARROWS;
3844     }
3845 #endif
3846
3847     return rc;
3848 }
3849 #endif
3850
3851 wxSize wxDataViewCtrl::GetSizeAvailableForScrollTarget(const wxSize& size)
3852 {
3853     wxSize newsize = size;
3854     if (!HasFlag(wxDV_NO_HEADER) && (m_headerArea))
3855     newsize.y -= m_headerArea->GetSize().y;
3856
3857     return newsize;
3858 }
3859
3860 void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) )
3861 {
3862     // We need to override OnSize so that our scrolled
3863     // window a) does call Layout() to use sizers for
3864     // positioning the controls but b) does not query
3865     // the sizer for their size and use that for setting
3866     // the scrollable area as set that ourselves by
3867     // calling SetScrollbar() further down.
3868
3869     Layout();
3870
3871     AdjustScrollbars();
3872 }
3873
3874 void wxDataViewCtrl::SetFocus()
3875 {
3876     if (m_clientArea)
3877         m_clientArea->SetFocus();
3878 }
3879
3880 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
3881 {
3882     if (!wxDataViewCtrlBase::AssociateModel( model ))
3883         return false;
3884
3885     m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
3886
3887     model->AddNotifier( m_notifier );
3888
3889     m_clientArea->DestroyTree();
3890
3891     m_clientArea->BuildTree(model);
3892
3893     m_clientArea->UpdateDisplay();
3894
3895     return true;
3896 }
3897
3898 #if wxUSE_DRAG_AND_DROP
3899
3900 bool wxDataViewCtrl::EnableDragSource( const wxDataFormat &format )
3901 {
3902     return m_clientArea->EnableDragSource( format );
3903 }
3904
3905 bool wxDataViewCtrl::EnableDropTarget( const wxDataFormat &format )
3906 {
3907     return m_clientArea->EnableDropTarget( format );
3908 }
3909
3910 #endif // wxUSE_DRAG_AND_DROP
3911
3912 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
3913 {
3914     if (!wxDataViewCtrlBase::AppendColumn(col))
3915         return false;
3916
3917     m_cols.Append( col );
3918     OnColumnsCountChanged();
3919     return true;
3920 }
3921
3922 bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
3923 {
3924     if (!wxDataViewCtrlBase::PrependColumn(col))
3925         return false;
3926
3927     m_cols.Insert( col );
3928     OnColumnsCountChanged();
3929     return true;
3930 }
3931
3932 bool wxDataViewCtrl::InsertColumn( unsigned int pos, wxDataViewColumn *col )
3933 {
3934     if (!wxDataViewCtrlBase::InsertColumn(pos,col))
3935         return false;
3936
3937     m_cols.Insert( pos, col );
3938     OnColumnsCountChanged();
3939     return true;
3940 }
3941
3942 void wxDataViewCtrl::OnColumnChange(unsigned int idx)
3943 {
3944     if ( m_headerArea )
3945         m_headerArea->UpdateColumn(idx);
3946
3947     m_clientArea->UpdateDisplay();
3948 }
3949
3950 void wxDataViewCtrl::OnColumnsCountChanged()
3951 {
3952     if (m_headerArea)
3953         m_headerArea->SetColumnCount(GetColumnCount());
3954
3955     m_clientArea->UpdateDisplay();
3956 }
3957
3958 void wxDataViewCtrl::DoSetExpanderColumn()
3959 {
3960     m_clientArea->UpdateDisplay();
3961 }
3962
3963 void wxDataViewCtrl::DoSetIndent()
3964 {
3965     m_clientArea->UpdateDisplay();
3966 }
3967
3968 unsigned int wxDataViewCtrl::GetColumnCount() const
3969 {
3970     return m_cols.GetCount();
3971 }
3972
3973 wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int idx ) const
3974 {
3975     return m_cols[idx];
3976 }
3977
3978 wxDataViewColumn *wxDataViewCtrl::GetColumnAt(unsigned int pos) const
3979 {
3980     // columns can't be reordered if there is no header window which allows
3981     // to do this
3982     const unsigned idx = m_headerArea ? m_headerArea->GetColumnsOrder()[pos]
3983                                     : pos;
3984
3985     return GetColumn(idx);
3986 }
3987
3988 int wxDataViewCtrl::GetColumnIndex(const wxDataViewColumn *column) const
3989 {
3990     const unsigned count = m_cols.size();
3991     for ( unsigned n = 0; n < count; n++ )
3992     {
3993         if ( m_cols[n] == column )
3994             return n;
3995     }
3996
3997     return wxNOT_FOUND;
3998 }
3999
4000 void wxDataViewCtrl::ColumnMoved(wxDataViewColumn * WXUNUSED(col),
4001                                 unsigned int WXUNUSED(new_pos))
4002 {
4003     // do _not_ reorder m_cols elements here, they should always be in the
4004     // order in which columns were added, we only display the columns in
4005     // different order
4006     m_clientArea->UpdateDisplay();
4007 }
4008
4009 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
4010 {
4011     wxDataViewColumnList::compatibility_iterator ret = m_cols.Find( column );
4012     if (!ret)
4013         return false;
4014
4015     m_cols.Erase(ret);
4016     OnColumnsCountChanged();
4017
4018     return true;
4019 }
4020
4021 bool wxDataViewCtrl::ClearColumns()
4022 {
4023     m_cols.Clear();
4024     OnColumnsCountChanged();
4025     return true;
4026 }
4027
4028 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
4029 {
4030     int ret = 0,
4031         dummy = 0;
4032     unsigned int len = GetColumnCount();
4033     for ( unsigned int i = 0; i < len; i++ )
4034     {
4035         wxDataViewColumn * col = GetColumnAt(i);
4036         if (col->IsHidden())
4037             continue;
4038         ret += col->GetWidth();
4039         if (column==col)
4040         {
4041             CalcScrolledPosition( ret, dummy, &ret, &dummy );
4042             break;
4043         }
4044     }
4045     return ret;
4046 }
4047
4048 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
4049 {
4050     return m_sortingColumnIdx == wxNOT_FOUND ? NULL
4051                                             : GetColumn(m_sortingColumnIdx);
4052 }
4053
4054 // Selection code with wxDataViewItem as parameters
4055 wxDataViewItem wxDataViewCtrl::GetSelection() const
4056 {
4057     return m_clientArea->GetSelection();
4058 }
4059
4060 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
4061 {
4062     sel.Empty();
4063     wxDataViewSelection selection = m_clientArea->GetSelections();
4064     int len = selection.GetCount();
4065     for( int i = 0; i < len; i ++)
4066     {
4067         unsigned int row = selection[i];
4068         sel.Add( m_clientArea->GetItemByRow( row ) );
4069     }
4070     return len;
4071 }
4072
4073 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
4074 {
4075     wxDataViewSelection selection(wxDataViewSelectionCmp);
4076
4077     wxDataViewItem last_parent;
4078
4079     int len = sel.GetCount();
4080     for( int i = 0; i < len; i ++ )
4081     {
4082         wxDataViewItem item = sel[i];
4083         wxDataViewItem parent = GetModel()->GetParent( item );
4084         if (parent)
4085         {
4086             if (parent != last_parent)
4087                 ExpandAncestors(item);
4088         }
4089
4090         last_parent = parent;
4091         int row = m_clientArea->GetRowByItem( item );
4092         if( row >= 0 )
4093             selection.Add( static_cast<unsigned int>(row) );
4094     }
4095
4096     m_clientArea->SetSelections( selection );
4097 }
4098
4099 void wxDataViewCtrl::Select( const wxDataViewItem & item )
4100 {
4101     ExpandAncestors( item );
4102
4103     int row = m_clientArea->GetRowByItem( item );
4104     if( row >= 0 )
4105     {
4106         // Unselect all rows before select another in the single select mode
4107         if (m_clientArea->IsSingleSel())
4108             m_clientArea->SelectAllRows(false);
4109
4110         m_clientArea->SelectRow(row, true);
4111
4112         // Also reset focus
4113         if (m_clientArea->IsSingleSel())
4114             m_clientArea->ChangeCurrentRow( row );
4115     }
4116 }
4117
4118 void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
4119 {
4120     int row = m_clientArea->GetRowByItem( item );
4121     if( row >= 0 )
4122         m_clientArea->SelectRow(row, false);
4123 }
4124
4125 bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
4126 {
4127     int row = m_clientArea->GetRowByItem( item );
4128     if( row >= 0 )
4129     {
4130         return m_clientArea->IsRowSelected(row);
4131     }
4132     return false;
4133 }
4134
4135 // Selection code with row number as parameter
4136 int wxDataViewCtrl::GetSelections( wxArrayInt & sel ) const
4137 {
4138     sel.Empty();
4139     wxDataViewSelection selection = m_clientArea->GetSelections();
4140     int len = selection.GetCount();
4141     for( int i = 0; i < len; i ++)
4142     {
4143         unsigned int row = selection[i];
4144         sel.Add( row );
4145     }
4146     return len;
4147 }
4148
4149 void wxDataViewCtrl::SetSelections( const wxArrayInt & sel )
4150 {
4151     wxDataViewSelection selection(wxDataViewSelectionCmp);
4152     int len = sel.GetCount();
4153     for( int i = 0; i < len; i ++ )
4154     {
4155         int row = sel[i];
4156         if( row >= 0 )
4157             selection.Add( static_cast<unsigned int>(row) );
4158     }
4159     m_clientArea->SetSelections( selection );
4160 }
4161
4162 void wxDataViewCtrl::Select( int row )
4163 {
4164     if( row >= 0 )
4165     {
4166         if (m_clientArea->IsSingleSel())
4167             m_clientArea->SelectAllRows(false);
4168         m_clientArea->SelectRow( row, true );
4169     }
4170 }
4171
4172 void wxDataViewCtrl::Unselect( int row )
4173 {
4174     if( row >= 0 )
4175         m_clientArea->SelectRow(row, false);
4176 }
4177
4178 bool wxDataViewCtrl::IsSelected( int row ) const
4179 {
4180     if( row >= 0 )
4181         return m_clientArea->IsRowSelected(row);
4182     return false;
4183 }
4184
4185 void wxDataViewCtrl::SelectRange( int from, int to )
4186 {
4187     wxArrayInt sel;
4188     for( int i = from; i < to; i ++ )
4189         sel.Add( i );
4190     m_clientArea->Select(sel);
4191 }
4192
4193 void wxDataViewCtrl::UnselectRange( int from, int to )
4194 {
4195     wxDataViewSelection sel = m_clientArea->GetSelections();
4196     for( int i = from; i < to; i ++ )
4197         if( sel.Index( i ) != wxNOT_FOUND )
4198             sel.Remove( i );
4199     m_clientArea->SetSelections(sel);
4200 }
4201
4202 void wxDataViewCtrl::SelectAll()
4203 {
4204     m_clientArea->SelectAllRows(true);
4205 }
4206
4207 void wxDataViewCtrl::UnselectAll()
4208 {
4209     m_clientArea->SelectAllRows(false);
4210 }
4211
4212 void wxDataViewCtrl::EnsureVisible( int row, int column )
4213 {
4214     if( row < 0 )
4215         row = 0;
4216     if( row > (int) m_clientArea->GetRowCount() )
4217         row = m_clientArea->GetRowCount();
4218
4219     int first = m_clientArea->GetFirstVisibleRow();
4220     int last = m_clientArea->GetLastVisibleRow();
4221     if( row < first )
4222         m_clientArea->ScrollTo( row, column );
4223     else if( row > last )
4224         m_clientArea->ScrollTo( row - last + first, column );
4225     else
4226         m_clientArea->ScrollTo( first, column );
4227 }
4228
4229 void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
4230 {
4231     ExpandAncestors( item );
4232
4233     m_clientArea->RecalculateDisplay();
4234
4235     int row = m_clientArea->GetRowByItem(item);
4236     if( row >= 0 )
4237     {
4238         if( column == NULL )
4239             EnsureVisible(row, -1);
4240         else
4241             EnsureVisible( row, GetColumnIndex(column) );
4242     }
4243
4244 }
4245
4246 void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item,
4247                               wxDataViewColumn* &column ) const
4248 {
4249     m_clientArea->HitTest(point, item, column);
4250 }
4251
4252 wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item,
4253                                     const wxDataViewColumn* column ) const
4254 {
4255     return m_clientArea->GetItemRect(item, column);
4256 }
4257
4258 wxDataViewItem wxDataViewCtrl::GetItemByRow( unsigned int row ) const
4259 {
4260     return m_clientArea->GetItemByRow( row );
4261 }
4262
4263 int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const
4264 {
4265     return m_clientArea->GetRowByItem( item );
4266 }
4267
4268 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
4269 {
4270     int row = m_clientArea->GetRowByItem( item );
4271     if (row != -1)
4272         m_clientArea->Expand(row);
4273 }
4274
4275 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
4276 {
4277     int row = m_clientArea->GetRowByItem( item );
4278     if (row != -1)
4279         m_clientArea->Collapse(row);
4280 }
4281
4282 bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
4283 {
4284     int row = m_clientArea->GetRowByItem( item );
4285     if (row != -1)
4286         return m_clientArea->IsExpanded(row);
4287     return false;
4288 }
4289
4290 void wxDataViewCtrl::StartEditor( const wxDataViewItem & item, unsigned int column )
4291 {
4292     wxDataViewColumn* col = GetColumn( column );
4293     if (!col)
4294         return;
4295
4296     wxRect itemRect = GetItemRect(item, col);
4297     wxDataViewRenderer* renderer = col->GetRenderer();
4298     renderer->StartEditing(item, itemRect);
4299 }
4300
4301 #endif // !wxUSE_GENERICDATAVIEWCTRL
4302
4303 #endif // wxUSE_DATAVIEWCTRL