src/generic/datavgen.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/generic/datavgen.cpp
   3 // Purpose:     wxDataViewCtrl generic implementation
   4 // Author:      Robert Roebling
   5 // Modified by: Francesco Montorsi, Guru Kathiresan, Bo Yang
   6 // Id:          $Id$
   7 // Copyright:   (c) 1998 Robert Roebling
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #if wxUSE_DATAVIEWCTRL
  19
  20 #include "wx/dataview.h"
  21
  22 #ifdef wxUSE_GENERICDATAVIEWCTRL
  23
  24 #ifndef WX_PRECOMP
  25     #ifdef __WXMSW__
  26         #include "wx/msw/private.h"
  27         #include "wx/msw/wrapwin.h"
  28         #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
  29     #endif
  30     #include "wx/sizer.h"
  31     #include "wx/log.h"
  32     #include "wx/dcclient.h"
  33     #include "wx/timer.h"
  34     #include "wx/settings.h"
  35     #include "wx/msgdlg.h"
  36     #include "wx/dcscreen.h"
  37     #include "wx/frame.h"
  38 #endif
  39
  40 #include "wx/stockitem.h"
  41 #include "wx/calctrl.h"
  42 #include "wx/popupwin.h"
  43 #include "wx/renderer.h"
  44 #include "wx/dcbuffer.h"
  45 #include "wx/icon.h"
  46 #include "wx/list.h"
  47 #include "wx/listimpl.cpp"
  48 #include "wx/imaglist.h"
  49 #include "wx/headerctrl.h"
  50 #include "wx/dnd.h"
  51
  52 //-----------------------------------------------------------------------------
  53 // classes
  54 //-----------------------------------------------------------------------------
  55
  56 class wxDataViewCtrl;
  57
  58 static const int SCROLL_UNIT_X = 15;
  59
  60 // the cell padding on the left/right
  61 static const int PADDING_RIGHTLEFT = 3;
  62
  63 // the expander space margin
  64 static const int EXPANDER_MARGIN = 4;
  65
  66 #ifdef __WXMSW__
  67 static const int EXPANDER_OFFSET = 4;
  68 #else
  69 static const int EXPANDER_OFFSET = 1;
  70 #endif
  71
  72 // Below is the compare stuff.
  73 // For the generic implementation, both the leaf nodes and the nodes are sorted for
  74 // fast search when needed
  75 static wxDataViewModel* g_model;
  76 static int g_column = -2;
  77 static bool g_asending = true;
  78
  79 //-----------------------------------------------------------------------------
  80 // wxDataViewHeaderWindow
  81 //-----------------------------------------------------------------------------
  82
  83 class wxDataViewHeaderWindow : public wxHeaderCtrl
  84 {
  85 public:
  86     wxDataViewHeaderWindow(wxDataViewCtrl *parent)
  87         : wxHeaderCtrl(parent)
  88     {
  89     }
  90
  91     wxDataViewCtrl *GetOwner() const
  92         { return static_cast<wxDataViewCtrl *>(GetParent()); }
  93
  94 protected:
  95     // implement/override wxHeaderCtrl functions by forwarding them to the main
  96     // control
  97     virtual const wxHeaderColumn& GetColumn(unsigned int idx) const
  98     {
  99         return *(GetOwner()->GetColumn(idx));
 100     }
 101
 102     // FIXME: currently unused
 103     virtual bool UpdateColumnWidthToFit(unsigned int idx, int widthTitle)
 104     {
 105         wxDataViewCtrl * const owner = GetOwner();
 106
 107         int widthContents = owner->GetBestColumnWidth(idx);
 108         owner->GetColumn(idx)->SetWidth(wxMax(widthTitle, widthContents));
 109         owner->OnColumnChange(idx);
 110
 111         return true;
 112     }
 113
 114 private:
 115     bool SendEvent(wxEventType type, unsigned int n)
 116     {
 117         wxDataViewCtrl * const owner = GetOwner();
 118         wxDataViewEvent event(type, owner->GetId());
 119
 120         event.SetEventObject(owner);
 121         event.SetColumn(n);
 122         event.SetDataViewColumn(owner->GetColumn(n));
 123         event.SetModel(owner->GetModel());
 124
 125         // for events created by wxDataViewHeaderWindow the
 126         // row / value fields are not valid
 127         return owner->GetEventHandler()->ProcessEvent(event);
 128     }
 129
 130     void OnClick(wxHeaderCtrlEvent& event)
 131     {
 132         const unsigned idx = event.GetColumn();
 133
 134         if ( SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, idx) )
 135             return;
 136
 137         // default handling for the column click is to sort by this column or
 138         // toggle its sort order
 139         wxDataViewCtrl * const owner = GetOwner();
 140         wxDataViewColumn * const col = owner->GetColumn(idx);
 141         if ( !col->IsSortable() )
 142         {
 143             // no default handling for non-sortable columns
 144             event.Skip();
 145             return;
 146         }
 147
 148         if ( col->IsSortKey() )
 149         {
 150             // already using this column for sorting, just change the order
 151             col->ToggleSortOrder();
 152         }
 153         else // not using this column for sorting yet
 154         {
 155             // first unset the old sort column if any
 156             int oldSortKey = owner->GetSortingColumnIndex();
 157             if ( oldSortKey != wxNOT_FOUND )
 158             {
 159                 owner->GetColumn(oldSortKey)->UnsetAsSortKey();
 160                 owner->OnColumnChange(oldSortKey);
 161             }
 162
 163             owner->SetSortingColumnIndex(idx);
 164             col->SetAsSortKey();
 165         }
 166
 167         wxDataViewModel * const model = owner->GetModel();
 168         if ( model )
 169             model->Resort();
 170
 171         owner->OnColumnChange(idx);
 172     }
 173
 174     void OnRClick(wxHeaderCtrlEvent& event)
 175     {
 176         if ( !SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK,
 177                         event.GetColumn()) )
 178             event.Skip();
 179     }
 180
 181     void OnResize(wxHeaderCtrlEvent& event)
 182     {
 183         wxDataViewCtrl * const owner = GetOwner();
 184
 185         const unsigned col = event.GetColumn();
 186         owner->GetColumn(col)->SetWidth(event.GetWidth());
 187         GetOwner()->OnColumnChange(col);
 188     }
 189
 190     void OnEndReorder(wxHeaderCtrlEvent& event)
 191     {
 192         wxDataViewCtrl * const owner = GetOwner();
 193         owner->ColumnMoved(owner->GetColumn(event.GetColumn()),
 194                         event.GetNewOrder());
 195     }
 196
 197     DECLARE_EVENT_TABLE()
 198     wxDECLARE_NO_COPY_CLASS(wxDataViewHeaderWindow);
 199 };
 200
 201 BEGIN_EVENT_TABLE(wxDataViewHeaderWindow, wxHeaderCtrl)
 202     EVT_HEADER_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnClick)
 203     EVT_HEADER_RIGHT_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnRClick)
 204
 205     EVT_HEADER_RESIZING(wxID_ANY, wxDataViewHeaderWindow::OnResize)
 206     EVT_HEADER_END_RESIZE(wxID_ANY, wxDataViewHeaderWindow::OnResize)
 207
 208     EVT_HEADER_END_REORDER(wxID_ANY, wxDataViewHeaderWindow::OnEndReorder)
 209 END_EVENT_TABLE()
 210
 211 //-----------------------------------------------------------------------------
 212 // wxDataViewRenameTimer
 213 //-----------------------------------------------------------------------------
 214
 215 class wxDataViewRenameTimer: public wxTimer
 216 {
 217 private:
 218     wxDataViewMainWindow *m_owner;
 219
 220 public:
 221     wxDataViewRenameTimer( wxDataViewMainWindow *owner );
 222     void Notify();
 223 };
 224
 225 //-----------------------------------------------------------------------------
 226 // wxDataViewTreeNode
 227 //-----------------------------------------------------------------------------
 228
 229 class wxDataViewTreeNode;
 230 WX_DEFINE_ARRAY( wxDataViewTreeNode *, wxDataViewTreeNodes );
 231 WX_DEFINE_ARRAY( void* , wxDataViewTreeLeaves);
 232
 233 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1,
 234                                            wxDataViewTreeNode ** node2);
 235 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2);
 236
 237 class wxDataViewTreeNode
 238 {
 239 public:
 240     wxDataViewTreeNode( wxDataViewTreeNode * parent = NULL )
 241     {
 242         m_parent = parent;
 243         if (!parent)
 244             m_open = true;
 245         else
 246             m_open = false;
 247         m_hasChildren = false;
 248         m_subTreeCount  = 0;
 249     }
 250
 251     ~wxDataViewTreeNode()
 252     {
 253     }
 254
 255     wxDataViewTreeNode * GetParent() const { return m_parent; }
 256     void SetParent( wxDataViewTreeNode * parent ) { m_parent = parent; }
 257     wxDataViewTreeNodes &  GetNodes() { return m_nodes; }
 258     wxDataViewTreeLeaves & GetChildren() { return m_leaves; }
 259
 260     void AddNode( wxDataViewTreeNode * node )
 261     {
 262         m_leaves.Add( node->GetItem().GetID() );
 263         if (g_column >= -1)
 264             m_leaves.Sort( &wxGenericTreeModelItemCmp );
 265         m_nodes.Add( node );
 266         if (g_column >= -1)
 267             m_nodes.Sort( &wxGenericTreeModelNodeCmp );
 268     }
 269     void AddLeaf( void * leaf )
 270     {
 271         m_leaves.Add( leaf );
 272         if (g_column >= -1)
 273             m_leaves.Sort( &wxGenericTreeModelItemCmp );
 274     }
 275
 276     wxDataViewItem & GetItem() { return m_item; }
 277     const wxDataViewItem & GetItem() const { return m_item; }
 278     void SetItem( const wxDataViewItem & item ) { m_item = item; }
 279
 280     unsigned int GetChildrenNumber() const { return m_leaves.GetCount(); }
 281     unsigned int GetNodeNumber() const { return m_nodes.GetCount(); }
 282     int GetIndentLevel() const
 283     {
 284         int ret = 0;
 285         const wxDataViewTreeNode * node = this;
 286         while( node->GetParent()->GetParent() != NULL )
 287         {
 288             node = node->GetParent();
 289             ret ++;
 290         }
 291         return ret;
 292     }
 293
 294     bool IsOpen() const
 295     {
 296         return m_open;
 297     }
 298
 299     void ToggleOpen()
 300     {
 301         int len = m_nodes.GetCount();
 302         int sum = 0;
 303         for ( int i = 0;i < len; i ++)
 304             sum += m_nodes[i]->GetSubTreeCount();
 305
 306         sum += m_leaves.GetCount();
 307         if (m_open)
 308         {
 309             ChangeSubTreeCount(-sum);
 310             m_open = !m_open;
 311         }
 312         else
 313         {
 314             m_open = !m_open;
 315             ChangeSubTreeCount(sum);
 316         }
 317     }
 318     bool HasChildren() const { return m_hasChildren; }
 319     void SetHasChildren( bool has ){ m_hasChildren = has; }
 320
 321     void SetSubTreeCount( int num ) { m_subTreeCount = num; }
 322     int GetSubTreeCount() const { return m_subTreeCount; }
 323     void ChangeSubTreeCount( int num )
 324     {
 325         if( !m_open )
 326             return;
 327         m_subTreeCount += num;
 328         if( m_parent )
 329             m_parent->ChangeSubTreeCount(num);
 330     }
 331
 332     void Resort()
 333     {
 334         if (g_column >= -1)
 335         {
 336             m_nodes.Sort( &wxGenericTreeModelNodeCmp );
 337             int len = m_nodes.GetCount();
 338             for (int i = 0; i < len; i ++)
 339                 m_nodes[i]->Resort();
 340             m_leaves.Sort( &wxGenericTreeModelItemCmp );
 341         }
 342     }
 343
 344 private:
 345     wxDataViewTreeNode  *m_parent;
 346     wxDataViewTreeNodes  m_nodes;
 347     wxDataViewTreeLeaves m_leaves;
 348     wxDataViewItem       m_item;
 349     bool                 m_open;
 350     bool                 m_hasChildren;
 351     int                  m_subTreeCount;
 352 };
 353
 354 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1,
 355                                            wxDataViewTreeNode ** node2)
 356 {
 357     return g_model->Compare( (*node1)->GetItem(), (*node2)->GetItem(), g_column, g_asending );
 358 }
 359
 360 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2)
 361 {
 362     return g_model->Compare( *id1, *id2, g_column, g_asending );
 363 }
 364
 365
 366 //-----------------------------------------------------------------------------
 367 // wxDataViewMainWindow
 368 //-----------------------------------------------------------------------------
 369
 370 WX_DEFINE_SORTED_USER_EXPORTED_ARRAY_SIZE_T(unsigned int, wxDataViewSelection,
 371                                             WXDLLIMPEXP_ADV);
 372 WX_DECLARE_LIST(wxDataViewItem, ItemList);
 373 WX_DEFINE_LIST(ItemList)
 374
 375 class wxDataViewMainWindow: public wxWindow
 376 {
 377 public:
 378     wxDataViewMainWindow( wxDataViewCtrl *parent,
 379                             wxWindowID id,
 380                             const wxPoint &pos = wxDefaultPosition,
 381                             const wxSize &size = wxDefaultSize,
 382                             const wxString &name = wxT("wxdataviewctrlmainwindow") );
 383     virtual ~wxDataViewMainWindow();
 384
 385     bool IsVirtualList() const { return m_root == NULL; }
 386
 387     // notifications from wxDataViewModel
 388     bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
 389     bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
 390     bool ItemChanged( const wxDataViewItem &item );
 391     bool ValueChanged( const wxDataViewItem &item, unsigned int col );
 392     bool Cleared();
 393     void Resort()
 394     {
 395         if (!IsVirtualList())
 396         {
 397             SortPrepare();
 398             m_root->Resort();
 399         }
 400         UpdateDisplay();
 401     }
 402
 403     void SortPrepare()
 404     {
 405         g_model = GetOwner()->GetModel();
 406         wxDataViewColumn* col = GetOwner()->GetSortingColumn();
 407         if( !col )
 408         {
 409             if (g_model->HasDefaultCompare())
 410                 g_column = -1;
 411             else
 412                 g_column = -2;
 413
 414             g_asending = true;
 415             return;
 416         }
 417         g_column = col->GetModelColumn();
 418         g_asending = col->IsSortOrderAscending();
 419     }
 420
 421     void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
 422     wxDataViewCtrl *GetOwner() { return m_owner; }
 423     const wxDataViewCtrl *GetOwner() const { return m_owner; }
 424
 425 #if wxUSE_DRAG_AND_DROP
 426     wxBitmap CreateItemBitmap( unsigned int row, int &indent );
 427 #endif // wxUSE_DRAG_AND_DROP
 428     void OnPaint( wxPaintEvent &event );
 429     void OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event);
 430     void OnChar( wxKeyEvent &event );
 431     void OnMouse( wxMouseEvent &event );
 432     void OnSetFocus( wxFocusEvent &event );
 433     void OnKillFocus( wxFocusEvent &event );
 434
 435     void UpdateDisplay();
 436     void RecalculateDisplay();
 437     void OnInternalIdle();
 438
 439     void OnRenameTimer();
 440
 441     void ScrollWindow( int dx, int dy, const wxRect *rect = NULL );
 442     void ScrollTo( int rows, int column );
 443
 444     bool HasCurrentRow() { return m_currentRow != (unsigned int)-1; }
 445     void ChangeCurrentRow( unsigned int row );
 446
 447     bool IsSingleSel() const { return !GetParent()->HasFlag(wxDV_MULTIPLE); }
 448     bool IsEmpty() { return GetRowCount() == 0; }
 449
 450     int GetCountPerPage() const;
 451     int GetEndOfLastCol() const;
 452     unsigned int GetFirstVisibleRow() const;
 453
 454     // I change this method to un const because in the tree view,
 455     // the displaying number of the tree are changing along with the
 456     // expanding/collapsing of the tree nodes
 457     unsigned int GetLastVisibleRow();
 458     unsigned int GetRowCount();
 459
 460     wxDataViewItem GetSelection() const;
 461     wxDataViewSelection GetSelections(){ return m_selection; }
 462     void SetSelections( const wxDataViewSelection & sel )
 463         { m_selection = sel; UpdateDisplay(); }
 464     void Select( const wxArrayInt& aSelections );
 465     void SelectAllRows( bool on );
 466     void SelectRow( unsigned int row, bool on );
 467     void SelectRows( unsigned int from, unsigned int to, bool on );
 468     void ReverseRowSelection( unsigned int row );
 469     bool IsRowSelected( unsigned int row );
 470     void SendSelectionChangedEvent( const wxDataViewItem& item);
 471
 472     void RefreshRow( unsigned int row );
 473     void RefreshRows( unsigned int from, unsigned int to );
 474     void RefreshRowsAfter( unsigned int firstRow );
 475
 476     // returns the colour to be used for drawing the rules
 477     wxColour GetRuleColour() const
 478     {
 479         return wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
 480     }
 481
 482     wxRect GetLineRect( unsigned int row ) const;
 483
 484     int GetLineStart( unsigned int row ) const;  // row * m_lineHeight in fixed mode
 485     int GetLineHeight( unsigned int row ) const; // m_lineHeight in fixed mode
 486     int GetLineAt( unsigned int y ) const;       // y / m_lineHeight in fixed mode
 487
 488     // Some useful functions for row and item mapping
 489     wxDataViewItem GetItemByRow( unsigned int row ) const;
 490     int GetRowByItem( const wxDataViewItem & item ) const;
 491
 492     // Methods for building the mapping tree
 493     void BuildTree( wxDataViewModel  * model );
 494     void DestroyTree();
 495     void HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column );
 496     wxRect GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column );
 497
 498     void Expand( unsigned int row );
 499     void Collapse( unsigned int row );
 500     bool IsExpanded( unsigned int row ) const;
 501     bool HasChildren( unsigned int row ) const;
 502
 503 #if wxUSE_DRAG_AND_DROP
 504     bool EnableDragSource( const wxDataFormat &format );
 505     bool EnableDropTarget( const wxDataFormat &format );
 506
 507     void RemoveDropHint();
 508     wxDragResult OnDragOver( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def );
 509     bool OnDrop( wxDataFormat format, wxCoord x, wxCoord y );
 510     wxDragResult OnData( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def );
 511     void OnLeave();
 512 #endif // wxUSE_DRAG_AND_DROP
 513
 514 private:
 515     wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row ) const;
 516     // We did not need this temporarily
 517     // wxDataViewTreeNode * GetTreeNodeByItem( const wxDataViewItem & item );
 518
 519     int RecalculateCount();
 520
 521     wxDataViewEvent SendExpanderEvent( wxEventType type, const wxDataViewItem & item );
 522
 523     wxDataViewTreeNode * FindNode( const wxDataViewItem & item );
 524
 525 private:
 526     wxDataViewCtrl             *m_owner;
 527     int                         m_lineHeight;
 528     bool                        m_dirty;
 529
 530     wxDataViewColumn           *m_currentCol;
 531     unsigned int                m_currentRow;
 532     wxDataViewSelection         m_selection;
 533
 534     wxDataViewRenameTimer      *m_renameTimer;
 535     bool                        m_lastOnSame;
 536
 537     bool                        m_hasFocus;
 538
 539 #if wxUSE_DRAG_AND_DROP
 540     int                         m_dragCount;
 541     wxPoint                     m_dragStart;
 542
 543     bool                        m_dragEnabled;
 544     wxDataFormat                m_dragFormat;
 545
 546     bool                        m_dropEnabled;
 547     wxDataFormat                m_dropFormat;
 548     bool                        m_dropHint;
 549     unsigned int                m_dropHintLine;
 550 #endif // wxUSE_DRAG_AND_DROP
 551
 552     // for double click logic
 553     unsigned int m_lineLastClicked,
 554         m_lineBeforeLastClicked,
 555         m_lineSelectSingleOnUp;
 556
 557     // the pen used to draw horiz/vertical rules
 558     wxPen m_penRule;
 559
 560     // the pen used to draw the expander and the lines
 561     wxPen m_penExpander;
 562
 563     // This is the tree structure of the model
 564     wxDataViewTreeNode * m_root;
 565     int m_count;
 566
 567     // This is the tree node under the cursor
 568     wxDataViewTreeNode * m_underMouse;
 569
 570 private:
 571     DECLARE_DYNAMIC_CLASS(wxDataViewMainWindow)
 572     DECLARE_EVENT_TABLE()
 573 };
 574
 575 // ---------------------------------------------------------
 576 // wxGenericDataViewModelNotifier
 577 // ---------------------------------------------------------
 578
 579 class wxGenericDataViewModelNotifier: public wxDataViewModelNotifier
 580 {
 581 public:
 582     wxGenericDataViewModelNotifier( wxDataViewMainWindow *mainWindow )
 583         { m_mainWindow = mainWindow; }
 584
 585     virtual bool ItemAdded( const wxDataViewItem & parent, const wxDataViewItem & item )
 586         { return m_mainWindow->ItemAdded( parent , item ); }
 587     virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
 588         { return m_mainWindow->ItemDeleted( parent, item ); }
 589     virtual bool ItemChanged( const wxDataViewItem & item )
 590         { return m_mainWindow->ItemChanged(item);  }
 591     virtual bool ValueChanged( const wxDataViewItem & item , unsigned int col )
 592         { return m_mainWindow->ValueChanged( item, col ); }
 593     virtual bool Cleared()
 594         { return m_mainWindow->Cleared(); }
 595     virtual void Resort()
 596         { m_mainWindow->Resort(); }
 597
 598     wxDataViewMainWindow    *m_mainWindow;
 599 };
 600
 601 // ---------------------------------------------------------
 602 // wxDataViewRenderer
 603 // ---------------------------------------------------------
 604
 605 IMPLEMENT_ABSTRACT_CLASS(wxDataViewRenderer, wxDataViewRendererBase)
 606
 607 wxDataViewRenderer::wxDataViewRenderer( const wxString &varianttype,
 608                                         wxDataViewCellMode mode,
 609                                         int align) :
 610     wxDataViewRendererBase( varianttype, mode, align )
 611 {
 612     m_dc = NULL;
 613     m_align = align;
 614     m_mode = mode;
 615     m_wantsAttr = false;
 616     m_hasAttr = false;
 617 }
 618
 619 wxDataViewRenderer::~wxDataViewRenderer()
 620 {
 621     if (m_dc)
 622         delete m_dc;
 623 }
 624
 625 wxDC *wxDataViewRenderer::GetDC()
 626 {
 627     if (m_dc == NULL)
 628     {
 629         if (GetOwner() == NULL)
 630             return NULL;
 631         if (GetOwner()->GetOwner() == NULL)
 632             return NULL;
 633         m_dc = new wxClientDC( GetOwner()->GetOwner() );
 634     }
 635
 636     return m_dc;
 637 }
 638
 639 void wxDataViewRenderer::SetAlignment( int align )
 640 {
 641     m_align=align;
 642 }
 643
 644 int wxDataViewRenderer::GetAlignment() const
 645 {
 646     return m_align;
 647 }
 648
 649 int wxDataViewRenderer::CalculateAlignment() const
 650 {
 651     if (m_align == wxDVR_DEFAULT_ALIGNMENT)
 652     {
 653         if (GetOwner() == NULL)
 654         return wxALIGN_LEFT | wxALIGN_CENTRE_VERTICAL;
 655
 656         return GetOwner()->GetAlignment() | wxALIGN_CENTRE_VERTICAL;
 657     }
 658
 659     return m_align;
 660 }
 661
 662 // ---------------------------------------------------------
 663 // wxDataViewCustomRenderer
 664 // ---------------------------------------------------------
 665
 666 IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
 667
 668 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
 669                         wxDataViewCellMode mode, int align ) :
 670     wxDataViewRenderer( varianttype, mode, align )
 671 {
 672 }
 673
 674 void wxDataViewCustomRenderer::RenderText( const wxString &text, int xoffset,
 675                                            wxRect cell, wxDC *dc, int state )
 676 {
 677     wxDataViewCtrl *view = GetOwner()->GetOwner();
 678     wxColour col = (state & wxDATAVIEW_CELL_SELECTED) ?
 679                         wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) :
 680                         view->GetForegroundColour();
 681     dc->SetTextForeground(col);
 682     dc->DrawText( text,
 683                   cell.x + xoffset,
 684                   cell.y + ((cell.height - dc->GetCharHeight()) / 2));
 685 }
 686
 687 // ---------------------------------------------------------
 688 // wxDataViewTextRenderer
 689 // ---------------------------------------------------------
 690
 691 IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewCustomRenderer)
 692
 693 wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype,
 694                                                 wxDataViewCellMode mode, int align ) :
 695     wxDataViewCustomRenderer( varianttype, mode, align )
 696 {
 697 }
 698
 699 bool wxDataViewTextRenderer::SetValue( const wxVariant &value )
 700 {
 701     m_text = value.GetString();
 702
 703     return true;
 704 }
 705
 706 bool wxDataViewTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
 707 {
 708     return false;
 709 }
 710
 711 bool wxDataViewTextRenderer::HasEditorCtrl() const
 712 {
 713     return true;
 714 }
 715
 716 wxControl* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent,
 717         wxRect labelRect, const wxVariant &value )
 718 {
 719     wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, value,
 720                                        wxPoint(labelRect.x,labelRect.y),
 721                                        wxSize(labelRect.width,labelRect.height) );
 722
 723     // select the text in the control an place the cursor at the end
 724     ctrl->SetInsertionPointEnd();
 725     ctrl->SelectAll();
 726
 727     return ctrl;
 728 }
 729
 730 bool wxDataViewTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant &value )
 731 {
 732     wxTextCtrl *text = (wxTextCtrl*) editor;
 733     value = text->GetValue();
 734     return true;
 735 }
 736
 737 bool wxDataViewTextRenderer::Render( wxRect cell, wxDC *dc, int state )
 738 {
 739     RenderText( m_text, 0, cell, dc, state );
 740     return true;
 741 }
 742
 743 wxSize wxDataViewTextRenderer::GetSize() const
 744 {
 745     const wxDataViewCtrl *view = GetView();
 746     if (!m_text.empty())
 747         return view->wxWindowBase::GetTextExtent( m_text );
 748     return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE);
 749 }
 750
 751 // ---------------------------------------------------------
 752 // wxDataViewTextRendererAttr
 753 // ---------------------------------------------------------
 754
 755 IMPLEMENT_CLASS(wxDataViewTextRendererAttr, wxDataViewTextRenderer)
 756
 757 wxDataViewTextRendererAttr::wxDataViewTextRendererAttr( const wxString &varianttype,
 758                             wxDataViewCellMode mode, int align ) :
 759     wxDataViewTextRenderer( varianttype, mode, align )
 760 {
 761     m_wantsAttr = true;
 762 }
 763
 764 bool wxDataViewTextRendererAttr::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 765 {
 766     wxFont font;
 767     wxColour colour;
 768
 769     if (m_hasAttr)
 770     {
 771         if (m_attr.HasColour())
 772         {
 773             colour = dc->GetTextForeground();
 774             dc->SetTextForeground( m_attr.GetColour() );
 775         }
 776
 777         if (m_attr.GetBold() || m_attr.GetItalic())
 778         {
 779             font = dc->GetFont();
 780             wxFont myfont = font;
 781             if (m_attr.GetBold())
 782                 myfont.SetWeight( wxFONTWEIGHT_BOLD );
 783             if (m_attr.GetItalic())
 784                 myfont.SetStyle( wxFONTSTYLE_ITALIC );
 785             dc->SetFont( myfont );
 786         }
 787     }
 788
 789     dc->DrawText( m_text, cell.x, cell.y + ((cell.height - dc->GetCharHeight()) / 2));
 790
 791     // restore dc
 792     if (m_hasAttr)
 793     {
 794         if (m_attr.HasColour())
 795             dc->SetTextForeground( colour );
 796
 797         if (m_attr.GetBold() || m_attr.GetItalic())
 798             dc->SetFont( font );
 799     }
 800
 801     return true;
 802 }
 803
 804
 805 // ---------------------------------------------------------
 806 // wxDataViewBitmapRenderer
 807 // ---------------------------------------------------------
 808
 809 IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewCustomRenderer)
 810
 811 wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype,
 812                                                     wxDataViewCellMode mode, int align ) :
 813     wxDataViewCustomRenderer( varianttype, mode, align )
 814 {
 815 }
 816
 817 bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
 818 {
 819     if (value.GetType() == wxT("wxBitmap"))
 820         m_bitmap << value;
 821     if (value.GetType() == wxT("wxIcon"))
 822         m_icon << value;
 823
 824     return true;
 825 }
 826
 827 bool wxDataViewBitmapRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
 828 {
 829     return false;
 830 }
 831
 832 bool wxDataViewBitmapRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 833 {
 834     if (m_bitmap.Ok())
 835         dc->DrawBitmap( m_bitmap, cell.x, cell.y );
 836     else if (m_icon.Ok())
 837         dc->DrawIcon( m_icon, cell.x, cell.y );
 838
 839     return true;
 840 }
 841
 842 wxSize wxDataViewBitmapRenderer::GetSize() const
 843 {
 844     if (m_bitmap.Ok())
 845         return wxSize( m_bitmap.GetWidth(), m_bitmap.GetHeight() );
 846     else if (m_icon.Ok())
 847         return wxSize( m_icon.GetWidth(), m_icon.GetHeight() );
 848
 849     return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE);
 850 }
 851
 852 // ---------------------------------------------------------
 853 // wxDataViewToggleRenderer
 854 // ---------------------------------------------------------
 855
 856 IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleRenderer, wxDataViewCustomRenderer)
 857
 858 wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
 859                         wxDataViewCellMode mode, int align ) :
 860     wxDataViewCustomRenderer( varianttype, mode, align )
 861 {
 862     m_toggle = false;
 863 }
 864
 865 bool wxDataViewToggleRenderer::SetValue( const wxVariant &value )
 866 {
 867     m_toggle = value.GetBool();
 868
 869     return true;
 870 }
 871
 872 bool wxDataViewToggleRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
 873 {
 874     return false;
 875 }
 876
 877 bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 878 {
 879     int flags = 0;
 880     if (m_toggle)
 881         flags |= wxCONTROL_CHECKED;
 882     if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE)
 883         flags |= wxCONTROL_DISABLED;
 884
 885     wxRendererNative::Get().DrawCheckBox(
 886             GetOwner()->GetOwner(),
 887             *dc,
 888             cell,
 889             flags );
 890
 891     return true;
 892 }
 893
 894 bool wxDataViewToggleRenderer::Activate( wxRect WXUNUSED(cell),
 895                                         wxDataViewModel *model,
 896                                         const wxDataViewItem & item, unsigned int col)
 897 {
 898     bool value = !m_toggle;
 899     wxVariant variant = value;
 900     model->SetValue( variant, item, col);
 901     model->ValueChanged( item, col );
 902     return true;
 903 }
 904
 905 wxSize wxDataViewToggleRenderer::GetSize() const
 906 {
 907     // the window parameter is not used by GetCheckBoxSize() so it's
 908     // safe to pass NULL
 909     return wxRendererNative::Get().GetCheckBoxSize(NULL);
 910 }
 911
 912 // ---------------------------------------------------------
 913 // wxDataViewProgressRenderer
 914 // ---------------------------------------------------------
 915
 916 IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressRenderer, wxDataViewCustomRenderer)
 917
 918 wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
 919     const wxString &varianttype, wxDataViewCellMode mode, int align ) :
 920     wxDataViewCustomRenderer( varianttype, mode, align )
 921 {
 922     m_label = label;
 923     m_value = 0;
 924 }
 925
 926 wxDataViewProgressRenderer::~wxDataViewProgressRenderer()
 927 {
 928 }
 929
 930 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
 931 {
 932     m_value = (long) value;
 933
 934     if (m_value < 0) m_value = 0;
 935     if (m_value > 100) m_value = 100;
 936
 937     return true;
 938 }
 939
 940 bool wxDataViewProgressRenderer::GetValue( wxVariant &value ) const
 941 {
 942     value = (long) m_value;
 943     return true;
 944 }
 945
 946 bool wxDataViewProgressRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 947 {
 948     double pct = (double)m_value / 100.0;
 949     wxRect bar = cell;
 950     bar.width = (int)(cell.width * pct);
 951     dc->SetPen( *wxTRANSPARENT_PEN );
 952     dc->SetBrush( *wxBLUE_BRUSH );
 953     dc->DrawRectangle( bar );
 954
 955     dc->SetBrush( *wxTRANSPARENT_BRUSH );
 956     dc->SetPen( *wxBLACK_PEN );
 957     dc->DrawRectangle( cell );
 958
 959     return true;
 960 }
 961
 962 wxSize wxDataViewProgressRenderer::GetSize() const
 963 {
 964     return wxSize(40,12);
 965 }
 966
 967 // ---------------------------------------------------------
 968 // wxDataViewDateRenderer
 969 // ---------------------------------------------------------
 970
 971 #define wxUSE_DATE_RENDERER_POPUP (wxUSE_CALENDARCTRL && wxUSE_POPUPWIN)
 972
 973 #if wxUSE_DATE_RENDERER_POPUP
 974
 975 class wxDataViewDateRendererPopupTransient: public wxPopupTransientWindow
 976 {
 977 public:
 978     wxDataViewDateRendererPopupTransient( wxWindow* parent, wxDateTime *value,
 979         wxDataViewModel *model, const wxDataViewItem & item, unsigned int col) :
 980         wxPopupTransientWindow( parent, wxBORDER_SIMPLE ),
 981         m_item( item )
 982     {
 983         m_model = model;
 984         m_col = col;
 985         m_cal = new wxCalendarCtrl( this, wxID_ANY, *value );
 986         wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL );
 987         sizer->Add( m_cal, 1, wxGROW );
 988         SetSizer( sizer );
 989         sizer->Fit( this );
 990     }
 991
 992     void OnCalendar( wxCalendarEvent &event );
 993
 994     wxCalendarCtrl      *m_cal;
 995     wxDataViewModel *m_model;
 996     unsigned int               m_col;
 997     const wxDataViewItem &   m_item;
 998
 999 protected:
1000     virtual void OnDismiss()
1001     {
1002     }
1003
1004 private:
1005     DECLARE_EVENT_TABLE()
1006 };
1007
1008 BEGIN_EVENT_TABLE(wxDataViewDateRendererPopupTransient,wxPopupTransientWindow)
1009     EVT_CALENDAR( wxID_ANY, wxDataViewDateRendererPopupTransient::OnCalendar )
1010 END_EVENT_TABLE()
1011
1012 void wxDataViewDateRendererPopupTransient::OnCalendar( wxCalendarEvent &event )
1013 {
1014     wxDateTime date = event.GetDate();
1015     wxVariant value = date;
1016     m_model->SetValue( value, m_item, m_col );
1017     m_model->ValueChanged( m_item, m_col );
1018     DismissAndNotify();
1019 }
1020
1021 #endif // wxUSE_DATE_RENDERER_POPUP
1022
1023 IMPLEMENT_ABSTRACT_CLASS(wxDataViewDateRenderer, wxDataViewCustomRenderer)
1024
1025 wxDataViewDateRenderer::wxDataViewDateRenderer( const wxString &varianttype,
1026                         wxDataViewCellMode mode, int align ) :
1027     wxDataViewCustomRenderer( varianttype, mode, align )
1028 {
1029 }
1030
1031 bool wxDataViewDateRenderer::SetValue( const wxVariant &value )
1032 {
1033     m_date = value.GetDateTime();
1034
1035     return true;
1036 }
1037
1038 bool wxDataViewDateRenderer::GetValue( wxVariant &value ) const
1039 {
1040     value = m_date;
1041     return true;
1042 }
1043
1044 bool wxDataViewDateRenderer::Render( wxRect cell, wxDC *dc, int state )
1045 {
1046     wxString tmp = m_date.FormatDate();
1047     RenderText( tmp, 0, cell, dc, state );
1048     return true;
1049 }
1050
1051 wxSize wxDataViewDateRenderer::GetSize() const
1052 {
1053     const wxDataViewCtrl* view = GetView();
1054     wxString tmp = m_date.FormatDate();
1055     wxCoord x,y,d;
1056     view->GetTextExtent( tmp, &x, &y, &d );
1057     return wxSize(x,y+d);
1058 }
1059
1060 bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewModel *model,
1061                                     const wxDataViewItem & item, unsigned int col )
1062 {
1063     wxVariant variant;
1064     model->GetValue( variant, item, col );
1065     wxDateTime value = variant.GetDateTime();
1066
1067 #if wxUSE_DATE_RENDERER_POPUP
1068     wxDataViewDateRendererPopupTransient *popup = new wxDataViewDateRendererPopupTransient(
1069         GetOwner()->GetOwner()->GetParent(), &value, model, item, col);
1070     wxPoint pos = wxGetMousePosition();
1071     popup->Move( pos );
1072     popup->Layout();
1073     popup->Popup( popup->m_cal );
1074 #else // !wxUSE_DATE_RENDERER_POPUP
1075     wxMessageBox(value.Format());
1076 #endif // wxUSE_DATE_RENDERER_POPUP/!wxUSE_DATE_RENDERER_POPUP
1077     return true;
1078 }
1079
1080 // ---------------------------------------------------------
1081 // wxDataViewIconTextRenderer
1082 // ---------------------------------------------------------
1083
1084 IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewCustomRenderer)
1085
1086 wxDataViewIconTextRenderer::wxDataViewIconTextRenderer(
1087 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
1088     wxDataViewCustomRenderer( varianttype, mode, align )
1089 {
1090     SetMode(mode);
1091     SetAlignment(align);
1092 }
1093
1094 wxDataViewIconTextRenderer::~wxDataViewIconTextRenderer()
1095 {
1096 }
1097
1098 bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
1099 {
1100     m_value << value;
1101     return true;
1102 }
1103
1104 bool wxDataViewIconTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
1105 {
1106     return false;
1107 }
1108
1109 bool wxDataViewIconTextRenderer::Render( wxRect cell, wxDC *dc, int state )
1110 {
1111     int xoffset = 0;
1112     const wxIcon &icon = m_value.GetIcon();
1113     if (icon.IsOk())
1114     {
1115         dc->DrawIcon( icon, cell.x, cell.y + ((cell.height - icon.GetHeight()) / 2));
1116         xoffset =  icon.GetWidth()+4;
1117     }
1118
1119     RenderText( m_value.GetText(), xoffset, cell, dc, state );
1120
1121     return true;
1122 }
1123
1124 wxSize wxDataViewIconTextRenderer::GetSize() const
1125 {
1126     const wxDataViewCtrl *view = GetView();
1127     if (!m_value.GetText().empty())
1128     {
1129         int x,y;
1130         view->GetTextExtent( m_value.GetText(), &x, &y );
1131
1132         if (m_value.GetIcon().IsOk())
1133             x += m_value.GetIcon().GetWidth() + 4;
1134         return wxSize( x, y );
1135     }
1136     return wxSize(80,20);
1137 }
1138
1139 wxControl* wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow *parent, wxRect labelRect, const wxVariant& value)
1140 {
1141     wxDataViewIconText iconText;
1142     iconText << value;
1143
1144     wxString text = iconText.GetText();
1145
1146     // adjust the label rect to take the width of the icon into account
1147     if (iconText.GetIcon().IsOk())
1148     {
1149         int w = iconText.GetIcon().GetWidth() + 4;
1150         labelRect.x += w;
1151         labelRect.width -= w;
1152     }
1153
1154     wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, text,
1155                                        wxPoint(labelRect.x,labelRect.y),
1156                                        wxSize(labelRect.width,labelRect.height) );
1157
1158     // select the text in the control an place the cursor at the end
1159     ctrl->SetInsertionPointEnd();
1160     ctrl->SelectAll();
1161
1162     return ctrl;
1163 }
1164
1165 bool wxDataViewIconTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant& value )
1166 {
1167     wxTextCtrl *text = (wxTextCtrl*) editor;
1168
1169     wxDataViewIconText iconText(text->GetValue(), m_value.GetIcon());
1170     value << iconText;
1171     return true;
1172 }
1173
1174 //-----------------------------------------------------------------------------
1175 // wxDataViewDropTarget
1176 //-----------------------------------------------------------------------------
1177
1178 #if wxUSE_DRAG_AND_DROP
1179
1180 class wxBitmapCanvas: public wxWindow
1181 {
1182 public:
1183     wxBitmapCanvas( wxWindow *parent, const wxBitmap &bitmap, const wxSize &size ) :
1184     wxWindow( parent, wxID_ANY, wxPoint(0,0), size )
1185     {
1186         m_bitmap = bitmap;
1187         Connect( wxEVT_PAINT, wxPaintEventHandler(wxBitmapCanvas::OnPaint) );
1188     }
1189
1190     void OnPaint( wxPaintEvent &WXUNUSED(event) )
1191     {
1192         wxPaintDC dc(this);
1193         dc.DrawBitmap( m_bitmap, 0, 0);
1194     }
1195
1196     wxBitmap m_bitmap;
1197 };
1198
1199 class wxDataViewDropSource: public wxDropSource
1200 {
1201 public:
1202     wxDataViewDropSource( wxDataViewMainWindow *win, unsigned int row ) :
1203         wxDropSource( win )
1204     {
1205         m_win = win;
1206         m_row = row;
1207         m_hint = NULL;
1208     }
1209
1210     ~wxDataViewDropSource()
1211     {
1212         delete m_hint;
1213     }
1214
1215     virtual bool GiveFeedback( wxDragResult WXUNUSED(effect) )
1216     {
1217         wxPoint pos = wxGetMousePosition();
1218
1219         if (!m_hint)
1220         {
1221             int liney = m_win->GetLineStart( m_row );
1222             int linex = 0;
1223             m_win->GetOwner()->CalcUnscrolledPosition( 0, liney, NULL, &liney );
1224             m_win->ClientToScreen( &linex, &liney );
1225             m_dist_x = pos.x - linex;
1226             m_dist_y = pos.y - liney;
1227
1228             int indent = 0;
1229             wxBitmap ib = m_win->CreateItemBitmap( m_row, indent );
1230             m_dist_x -= indent;
1231             m_hint = new wxFrame( m_win->GetParent(), wxID_ANY, wxEmptyString,
1232                                         wxPoint(pos.x - m_dist_x, pos.y + 5 ),
1233                                         ib.GetSize(),
1234                                         wxFRAME_TOOL_WINDOW |
1235                                         wxFRAME_FLOAT_ON_PARENT |
1236                                         wxFRAME_NO_TASKBAR |
1237                                         wxNO_BORDER );
1238             new wxBitmapCanvas( m_hint, ib, ib.GetSize() );
1239             m_hint->Show();
1240         }
1241         else
1242         {
1243             m_hint->Move( pos.x - m_dist_x, pos.y + 5  );
1244             m_hint->SetTransparent( 128 );
1245         }
1246
1247         return false;
1248     }
1249
1250     wxDataViewMainWindow   *m_win;
1251     unsigned int            m_row;
1252     wxFrame                *m_hint;
1253     int m_dist_x,m_dist_y;
1254 };
1255
1256
1257 class wxDataViewDropTarget: public wxDropTarget
1258 {
1259 public:
1260     wxDataViewDropTarget( wxDataObject *obj, wxDataViewMainWindow *win ) :
1261         wxDropTarget( obj )
1262     {
1263         m_win = win;
1264     }
1265
1266     virtual wxDragResult OnDragOver( wxCoord x, wxCoord y, wxDragResult def )
1267     {
1268         wxDataFormat format = GetMatchingPair();
1269         if (format == wxDF_INVALID)
1270             return wxDragNone;
1271         return m_win->OnDragOver( format, x, y, def);
1272     }
1273
1274     virtual bool OnDrop( wxCoord x, wxCoord y )
1275     {
1276         wxDataFormat format = GetMatchingPair();
1277         if (format == wxDF_INVALID)
1278             return false;
1279         return m_win->OnDrop( format, x, y );
1280     }
1281
1282     virtual wxDragResult OnData( wxCoord x, wxCoord y, wxDragResult def )
1283     {
1284         wxDataFormat format = GetMatchingPair();
1285         if (format == wxDF_INVALID)
1286             return wxDragNone;
1287         if (!GetData())
1288             return wxDragNone;
1289         return m_win->OnData( format, x, y, def );
1290     }
1291
1292     virtual void OnLeave()
1293         { m_win->OnLeave(); }
1294
1295     wxDataViewMainWindow   *m_win;
1296 };
1297
1298 #endif // wxUSE_DRAG_AND_DROP
1299
1300 //-----------------------------------------------------------------------------
1301 // wxDataViewRenameTimer
1302 //-----------------------------------------------------------------------------
1303
1304 wxDataViewRenameTimer::wxDataViewRenameTimer( wxDataViewMainWindow *owner )
1305 {
1306     m_owner = owner;
1307 }
1308
1309 void wxDataViewRenameTimer::Notify()
1310 {
1311     m_owner->OnRenameTimer();
1312 }
1313
1314 //-----------------------------------------------------------------------------
1315 // wxDataViewMainWindow
1316 //-----------------------------------------------------------------------------
1317
1318 // The tree building helper, declared firstly
1319 static void BuildTreeHelper( wxDataViewModel * model,  wxDataViewItem & item,
1320                              wxDataViewTreeNode * node);
1321
1322 int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )
1323 {
1324     if (row1 > row2) return 1;
1325     if (row1 == row2) return 0;
1326     return -1;
1327 }
1328
1329 IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
1330
1331 BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
1332     EVT_PAINT         (wxDataViewMainWindow::OnPaint)
1333     EVT_MOUSE_EVENTS  (wxDataViewMainWindow::OnMouse)
1334     EVT_SET_FOCUS     (wxDataViewMainWindow::OnSetFocus)
1335     EVT_KILL_FOCUS    (wxDataViewMainWindow::OnKillFocus)
1336     EVT_CHAR          (wxDataViewMainWindow::OnChar)
1337 END_EVENT_TABLE()
1338
1339 wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
1340     const wxPoint &pos, const wxSize &size, const wxString &name ) :
1341     wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE, name ),
1342     m_selection( wxDataViewSelectionCmp )
1343
1344 {
1345     SetOwner( parent );
1346
1347     m_lastOnSame = false;
1348     m_renameTimer = new wxDataViewRenameTimer( this );
1349
1350     // TODO: user better initial values/nothing selected
1351     m_currentCol = NULL;
1352     m_currentRow = 0;
1353
1354     m_lineHeight = wxMax( 17, GetCharHeight() + 2 ); // 17 = mini icon height + 1
1355
1356 #if wxUSE_DRAG_AND_DROP
1357     m_dragCount = 0;
1358     m_dragStart = wxPoint(0,0);
1359
1360     m_dragEnabled = false;
1361     m_dropEnabled = false;
1362     m_dropHint = false;
1363     m_dropHintLine = (unsigned int) -1;
1364 #endif // wxUSE_DRAG_AND_DROP
1365
1366     m_lineLastClicked = (unsigned int) -1;
1367     m_lineBeforeLastClicked = (unsigned int) -1;
1368     m_lineSelectSingleOnUp = (unsigned int) -1;
1369
1370     m_hasFocus = false;
1371
1372     SetBackgroundColour( *wxWHITE );
1373
1374     SetBackgroundStyle(wxBG_STYLE_CUSTOM);
1375
1376     m_penRule = wxPen(GetRuleColour());
1377
1378     // compose a pen whichcan draw black lines
1379     // TODO: maybe there is something system colour to use
1380     m_penExpander = wxPen(wxColour(0,0,0));
1381
1382     m_root = new wxDataViewTreeNode( NULL );
1383     m_root->SetHasChildren(true);
1384
1385     // Make m_count = -1 will cause the class recaculate the real displaying number of rows.
1386     m_count = -1;
1387     m_underMouse = NULL;
1388     UpdateDisplay();
1389 }
1390
1391 wxDataViewMainWindow::~wxDataViewMainWindow()
1392 {
1393     DestroyTree();
1394     delete m_renameTimer;
1395 }
1396
1397
1398 #if wxUSE_DRAG_AND_DROP
1399 bool wxDataViewMainWindow::EnableDragSource( const wxDataFormat &format )
1400 {
1401     m_dragFormat = format;
1402     m_dragEnabled = format != wxDF_INVALID;
1403
1404     return true;
1405 }
1406
1407 bool wxDataViewMainWindow::EnableDropTarget( const wxDataFormat &format )
1408 {
1409     m_dropFormat = format;
1410     m_dropEnabled = format != wxDF_INVALID;
1411
1412     if (m_dropEnabled)
1413         SetDropTarget( new wxDataViewDropTarget( new wxCustomDataObject( format ), this ) );
1414
1415     return true;
1416 }
1417
1418 void wxDataViewMainWindow::RemoveDropHint()
1419 {
1420     if (m_dropHint)
1421     {
1422             m_dropHint = false;
1423             RefreshRow( m_dropHintLine );
1424             m_dropHintLine = (unsigned int) -1;
1425     }
1426 }
1427
1428 wxDragResult wxDataViewMainWindow::OnDragOver( wxDataFormat format, wxCoord x,
1429                                                wxCoord y, wxDragResult def )
1430 {
1431     int xx = x;
1432     int yy = y;
1433     m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1434     unsigned int row = GetLineAt( yy );
1435
1436     if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1437     {
1438         RemoveDropHint();
1439         return wxDragNone;
1440     }
1441
1442     wxDataViewItem item = GetItemByRow( row );
1443
1444     wxDataViewModel *model = GetOwner()->GetModel();
1445
1446     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1447     event.SetEventObject( m_owner );
1448     event.SetItem( item );
1449     event.SetModel( model );
1450     event.SetDataFormat( format );
1451     if (!m_owner->HandleWindowEvent( event ))
1452     {
1453         RemoveDropHint();
1454         return wxDragNone;
1455     }
1456
1457     if (!event.IsAllowed())
1458     {
1459         RemoveDropHint();
1460         return wxDragNone;
1461     }
1462
1463
1464     if (m_dropHint && (row != m_dropHintLine))
1465         RefreshRow( m_dropHintLine );
1466     m_dropHint = true;
1467     m_dropHintLine = row;
1468     RefreshRow( row );
1469
1470     return def;
1471 }
1472
1473 bool wxDataViewMainWindow::OnDrop( wxDataFormat format, wxCoord x, wxCoord y )
1474 {
1475     RemoveDropHint();
1476
1477     int xx = x;
1478     int yy = y;
1479     m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1480     unsigned int row = GetLineAt( yy );
1481
1482     if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1483         return false;
1484
1485     wxDataViewItem item = GetItemByRow( row );
1486
1487     wxDataViewModel *model = GetOwner()->GetModel();
1488
1489     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1490     event.SetEventObject( m_owner );
1491     event.SetItem( item );
1492     event.SetModel( model );
1493     event.SetDataFormat( format );
1494     if (!m_owner->HandleWindowEvent( event ))
1495         return false;
1496
1497     if (!event.IsAllowed())
1498         return false;
1499
1500     return true;
1501 }
1502
1503 wxDragResult wxDataViewMainWindow::OnData( wxDataFormat format, wxCoord x, wxCoord y,
1504                                            wxDragResult def )
1505 {
1506     int xx = x;
1507     int yy = y;
1508     m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1509     unsigned int row = GetLineAt( yy );
1510
1511     if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
1512         return wxDragNone;
1513
1514     wxDataViewItem item = GetItemByRow( row );
1515
1516     wxDataViewModel *model = GetOwner()->GetModel();
1517
1518     wxCustomDataObject *obj = (wxCustomDataObject *) GetDropTarget()->GetDataObject();
1519
1520     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, m_owner->GetId() );
1521     event.SetEventObject( m_owner );
1522     event.SetItem( item );
1523     event.SetModel( model );
1524     event.SetDataFormat( format );
1525     event.SetDataSize( obj->GetSize() );
1526     event.SetDataBuffer( obj->GetData() );
1527     if (!m_owner->HandleWindowEvent( event ))
1528         return wxDragNone;
1529
1530     if (!event.IsAllowed())
1531         return wxDragNone;
1532
1533     return def;
1534 }
1535
1536 void wxDataViewMainWindow::OnLeave()
1537 {
1538     RemoveDropHint();
1539 }
1540
1541 wxBitmap wxDataViewMainWindow::CreateItemBitmap( unsigned int row, int &indent )
1542 {
1543     int height = GetLineHeight( row );
1544     int width = 0;
1545     unsigned int cols = GetOwner()->GetColumnCount();
1546     unsigned int col;
1547     for (col = 0; col < cols; col++)
1548     {
1549         wxDataViewColumn *column = GetOwner()->GetColumnAt(col);
1550         if (column->IsHidden())
1551             continue;      // skip it!
1552         width += column->GetWidth();
1553     }
1554
1555     indent = 0;
1556     if (!IsVirtualList())
1557     {
1558         wxDataViewTreeNode *node = GetTreeNodeByRow(row);
1559         indent = GetOwner()->GetIndent() * node->GetIndentLevel();
1560         indent = indent + m_lineHeight;
1561             // try to use the m_lineHeight as the expander space
1562
1563         if(!node->HasChildren())
1564             delete node;
1565     }
1566     width -= indent;
1567
1568     wxBitmap bitmap( width, height );
1569     wxMemoryDC dc( bitmap );
1570     dc.SetFont( GetFont() );
1571     dc.SetPen( *wxBLACK_PEN );
1572     dc.SetBrush( *wxWHITE_BRUSH );
1573     dc.DrawRectangle( 0,0,width,height );
1574
1575     wxDataViewModel *model = m_owner->GetModel();
1576
1577     wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
1578     if (!expander)
1579     {
1580         // TODO-RTL: last column for RTL support
1581         expander = GetOwner()->GetColumnAt( 0 );
1582         GetOwner()->SetExpanderColumn(expander);
1583     }
1584
1585
1586     int x = 0;
1587     for (col = 0; col < cols; col++)
1588     {
1589         wxDataViewColumn *column = GetOwner()->GetColumnAt( col );
1590         wxDataViewRenderer *cell = column->GetRenderer();
1591
1592         if (column->IsHidden())
1593             continue;       // skip it!
1594
1595         width = column->GetWidth();
1596
1597         if (column == expander)
1598             width -= indent;
1599
1600         wxVariant value;
1601         wxDataViewItem item = GetItemByRow( row );
1602         model->GetValue( value, item, column->GetModelColumn());
1603         cell->SetValue( value );
1604
1605         if (cell->GetWantsAttr())
1606         {
1607                 wxDataViewItemAttr attr;
1608                 bool ret = model->GetAttr( item, column->GetModelColumn(), attr );
1609                 if (ret)
1610                     cell->SetAttr( attr );
1611                 cell->SetHasAttr( ret );
1612         }
1613
1614         wxSize size = cell->GetSize();
1615         size.x = wxMin( 2*PADDING_RIGHTLEFT + size.x, width );
1616         size.y = height;
1617         wxRect item_rect(x, 0, size.x, size.y);
1618
1619         int align = cell->CalculateAlignment();
1620         // horizontal alignment:
1621         item_rect.x = x;
1622         if (align & wxALIGN_CENTER_HORIZONTAL)
1623             item_rect.x = x + (width / 2) - (size.x / 2);
1624         else if (align & wxALIGN_RIGHT)
1625             item_rect.x = x + width - size.x;
1626         // else: wxALIGN_LEFT is the default
1627
1628         // vertical alignment:
1629         item_rect.y = 0;
1630         if (align & wxALIGN_CENTER_VERTICAL)
1631             item_rect.y = (height / 2) - (size.y / 2);
1632         else if (align & wxALIGN_BOTTOM)
1633             item_rect.y = height - size.y;
1634         // else: wxALIGN_TOP is the default
1635
1636         // add padding
1637         item_rect.x += PADDING_RIGHTLEFT;
1638         item_rect.width = size.x - 2 * PADDING_RIGHTLEFT;
1639
1640         // dc.SetClippingRegion( item_rect );
1641         cell->Render( item_rect, &dc, 0 );
1642         // dc.DestroyClippingRegion();
1643
1644         x += width;
1645     }
1646
1647     return bitmap;
1648 }
1649
1650 #endif // wxUSE_DRAG_AND_DROP
1651
1652
1653 void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1654 {
1655     wxDataViewModel *model = GetOwner()->GetModel();
1656     wxAutoBufferedPaintDC dc( this );
1657
1658 #ifdef __WXMSW__
1659     dc.SetPen( *wxTRANSPARENT_PEN );
1660     dc.SetBrush( wxBrush( GetBackgroundColour()) );
1661     dc.SetBrush( *wxWHITE_BRUSH );
1662     wxSize size( GetClientSize() );
1663     dc.DrawRectangle( 0,0,size.x,size.y );
1664 #endif
1665
1666     // prepare the DC
1667     GetOwner()->PrepareDC( dc );
1668     dc.SetFont( GetFont() );
1669
1670     wxRect update = GetUpdateRegion().GetBox();
1671     m_owner->CalcUnscrolledPosition( update.x, update.y, &update.x, &update.y );
1672
1673     // compute which items needs to be redrawn
1674     unsigned int item_start = GetLineAt( wxMax(0,update.y) );
1675     unsigned int item_count =
1676         wxMin( (int)(  GetLineAt( wxMax(0,update.y+update.height) ) - item_start + 1),
1677             (int)(GetRowCount( ) - item_start));
1678     unsigned int item_last = item_start + item_count;
1679     // Get the parent of DataViewCtrl
1680     wxWindow *parent = GetParent()->GetParent();
1681     wxDataViewEvent cache_event(wxEVT_COMMAND_DATAVIEW_CACHE_HINT, parent->GetId());
1682     cache_event.SetEventObject(GetParent());
1683     cache_event.SetCache(item_start, item_last - 1);
1684     parent->ProcessWindowEvent(cache_event);
1685
1686     // compute which columns needs to be redrawn
1687     unsigned int cols = GetOwner()->GetColumnCount();
1688     unsigned int col_start = 0;
1689     unsigned int x_start;
1690     for (x_start = 0; col_start < cols; col_start++)
1691     {
1692         wxDataViewColumn *col = GetOwner()->GetColumnAt(col_start);
1693         if (col->IsHidden())
1694             continue;      // skip it!
1695
1696         unsigned int w = col->GetWidth();
1697         if (x_start+w >= (unsigned int)update.x)
1698             break;
1699
1700         x_start += w;
1701     }
1702
1703     unsigned int col_last = col_start;
1704     unsigned int x_last = x_start;
1705     for (; col_last < cols; col_last++)
1706     {
1707         wxDataViewColumn *col = GetOwner()->GetColumnAt(col_last);
1708         if (col->IsHidden())
1709             continue;      // skip it!
1710
1711         if (x_last > (unsigned int)update.GetRight())
1712             break;
1713
1714         x_last += col->GetWidth();
1715     }
1716
1717     // Draw horizontal rules if required
1718     if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
1719     {
1720         dc.SetPen(m_penRule);
1721         dc.SetBrush(*wxTRANSPARENT_BRUSH);
1722
1723         for (unsigned int i = item_start; i <= item_last; i++)
1724         {
1725             int y = GetLineStart( i );
1726             dc.DrawLine(x_start, y, x_last, y);
1727         }
1728     }
1729
1730     // Draw vertical rules if required
1731     if ( m_owner->HasFlag(wxDV_VERT_RULES) )
1732     {
1733         dc.SetPen(m_penRule);
1734         dc.SetBrush(*wxTRANSPARENT_BRUSH);
1735
1736         int x = x_start;
1737         for (unsigned int i = col_start; i < col_last; i++)
1738         {
1739             wxDataViewColumn *col = GetOwner()->GetColumnAt(i);
1740             if (col->IsHidden())
1741                 continue;       // skip it
1742
1743             dc.DrawLine(x, GetLineStart( item_start ),
1744                         x, GetLineStart( item_last ) );
1745
1746             x += col->GetWidth();
1747         }
1748
1749         // Draw last vertical rule
1750         dc.DrawLine(x, GetLineStart( item_start ),
1751                     x, GetLineStart( item_last ) );
1752     }
1753
1754     // redraw the background for the items which are selected/current
1755     for (unsigned int item = item_start; item < item_last; item++)
1756     {
1757         bool selected = m_selection.Index( item ) != wxNOT_FOUND;
1758         if (selected || item == m_currentRow)
1759         {
1760             int flags = selected ? (int)wxCONTROL_SELECTED : 0;
1761             if (item == m_currentRow)
1762                 flags |= wxCONTROL_CURRENT;
1763             if (m_hasFocus)
1764                 flags |= wxCONTROL_FOCUSED;
1765
1766             wxRect rect( x_start, GetLineStart( item ), x_last, GetLineHeight( item ) );
1767             wxRendererNative::Get().DrawItemSelectionRect
1768                                 (
1769                                     this,
1770                                     dc,
1771                                     rect,
1772                                     flags
1773                                 );
1774         }
1775     }
1776
1777 #if wxUSE_DRAG_AND_DROP
1778     if (m_dropHint)
1779     {
1780         wxRect rect( x_start, GetLineStart( m_dropHintLine ),
1781                     x_last, GetLineHeight( m_dropHintLine ) );
1782         dc.SetPen( *wxBLACK_PEN );
1783         dc.SetBrush( *wxTRANSPARENT_BRUSH );
1784         dc.DrawRectangle( rect );
1785     }
1786 #endif // wxUSE_DRAG_AND_DROP
1787
1788     wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
1789     if (!expander)
1790     {
1791         // TODO-RTL: last column for RTL support
1792         expander = GetOwner()->GetColumnAt( 0 );
1793         GetOwner()->SetExpanderColumn(expander);
1794     }
1795
1796     // redraw all cells for all rows which must be repainted and all columns
1797     wxRect cell_rect;
1798     cell_rect.x = x_start;
1799     for (unsigned int i = col_start; i < col_last; i++)
1800     {
1801         wxDataViewColumn *col = GetOwner()->GetColumnAt( i );
1802         wxDataViewRenderer *cell = col->GetRenderer();
1803         cell_rect.width = col->GetWidth();
1804
1805         if (col->IsHidden())
1806             continue;       // skip it!
1807
1808         for (unsigned int item = item_start; item < item_last; item++)
1809         {
1810             // get the cell value and set it into the renderer
1811             wxVariant value;
1812             wxDataViewTreeNode *node = NULL;
1813             wxDataViewItem dataitem;
1814
1815             if (!IsVirtualList())
1816             {
1817                 node = GetTreeNodeByRow(item);
1818                 if( node == NULL )
1819                     continue;
1820
1821                 dataitem = node->GetItem();
1822
1823                 if ((i > 0) && model->IsContainer(dataitem) &&
1824                     !model->HasContainerColumns(dataitem))
1825                     continue;
1826             }
1827             else
1828             {
1829                 dataitem = wxDataViewItem( wxUIntToPtr(item+1) );
1830             }
1831
1832             model->GetValue( value, dataitem, col->GetModelColumn());
1833             cell->SetValue( value );
1834
1835             if (cell->GetWantsAttr())
1836             {
1837                 wxDataViewItemAttr attr;
1838                 bool ret = model->GetAttr( dataitem, col->GetModelColumn(), attr );
1839                 if (ret)
1840                     cell->SetAttr( attr );
1841                 cell->SetHasAttr( ret );
1842             }
1843
1844             // update cell_rect
1845             cell_rect.y = GetLineStart( item );
1846             cell_rect.height = GetLineHeight( item );
1847
1848             // Draw the expander here.
1849             int indent = 0;
1850             if ((!IsVirtualList()) && (col == expander))
1851             {
1852                 indent = node->GetIndentLevel();
1853
1854                 // Calculate the indent first
1855                 indent = cell_rect.x + GetOwner()->GetIndent() * indent;
1856
1857                 int expander_width = m_lineHeight - 2*EXPANDER_MARGIN;
1858
1859                 // change the cell_rect.x to the appropriate pos
1860                 int expander_x = indent + EXPANDER_MARGIN;
1861                 int expander_y = cell_rect.y + EXPANDER_MARGIN + (GetLineHeight(item) / 2)
1862                                  - (expander_width/2) - EXPANDER_OFFSET;
1863
1864                 indent = indent + m_lineHeight;
1865                     // try to use the m_lineHeight as the expander space
1866
1867                 dc.SetPen( m_penExpander );
1868                 dc.SetBrush( wxNullBrush );
1869                 if( node->HasChildren() )
1870                 {
1871                     wxRect rect( expander_x , expander_y, expander_width, expander_width);
1872                     int flag = 0;
1873                     if (m_underMouse == node)
1874                     {
1875                         flag |= wxCONTROL_CURRENT;
1876                     }
1877                     if( node->IsOpen() )
1878                         wxRendererNative::Get().DrawTreeItemButton( this, dc, rect,
1879                                                                     flag|wxCONTROL_EXPANDED );
1880                     else
1881                         wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);
1882                 }
1883
1884                 // force the expander column to left-center align
1885                 cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
1886             }
1887             if (node && !node->HasChildren())
1888             {
1889                 // Yes, if the node does not have any child, it must be a leaf which
1890                 // mean that it is a temporarily created by GetTreeNodeByRow
1891                 wxDELETE(node);
1892             }
1893
1894             // cannot be bigger than allocated space
1895             wxSize size = cell->GetSize();
1896
1897             // Because of the tree structure indent, here we should minus the width
1898             // of the cell for drawing
1899             size.x = wxMin( size.x + 2*PADDING_RIGHTLEFT, cell_rect.width - indent );
1900             // size.y = wxMin( size.y, cell_rect.height );
1901             size.y = cell_rect.height;
1902
1903             wxRect item_rect(cell_rect.GetTopLeft(), size);
1904             int align = cell->CalculateAlignment();
1905
1906             // horizontal alignment:
1907             item_rect.x = cell_rect.x;
1908             if (align & wxALIGN_CENTER_HORIZONTAL)
1909                 item_rect.x = cell_rect.x + (cell_rect.width / 2) - (size.x / 2);
1910             else if (align & wxALIGN_RIGHT)
1911                 item_rect.x = cell_rect.x + cell_rect.width - size.x;
1912             // else: wxALIGN_LEFT is the default
1913
1914             // vertical alignment:
1915             item_rect.y = cell_rect.y;
1916             if (align & wxALIGN_CENTER_VERTICAL)
1917                 item_rect.y = cell_rect.y + (cell_rect.height / 2) - (size.y / 2);
1918             else if (align & wxALIGN_BOTTOM)
1919                 item_rect.y = cell_rect.y + cell_rect.height - size.y;
1920             // else: wxALIGN_TOP is the default
1921
1922             // add padding
1923             item_rect.x += PADDING_RIGHTLEFT;
1924             item_rect.width = size.x - 2 * PADDING_RIGHTLEFT;
1925
1926             // Here we add the tree indent
1927             item_rect.x += indent;
1928
1929             int state = 0;
1930             if (m_hasFocus && (m_selection.Index(item) != wxNOT_FOUND))
1931                 state |= wxDATAVIEW_CELL_SELECTED;
1932
1933             // TODO: it would be much more efficient to create a clipping
1934             //       region for the entire column being rendered (in the OnPaint
1935             //       of wxDataViewMainWindow) instead of a single clip region for
1936             //       each cell. However it would mean that each renderer should
1937             //       respect the given wxRect's top & bottom coords, eventually
1938             //       violating only the left & right coords - however the user can
1939             //       make its own renderer and thus we cannot be sure of that.
1940             dc.SetClippingRegion( item_rect );
1941             cell->Render( item_rect, &dc, state );
1942             dc.DestroyClippingRegion();
1943         }
1944
1945         cell_rect.x += cell_rect.width;
1946     }
1947 }
1948
1949 void wxDataViewMainWindow::OnRenameTimer()
1950 {
1951     // We have to call this here because changes may just have
1952     // been made and no screen update taken place.
1953     if ( m_dirty )
1954     {
1955         // TODO: use wxTheApp->SafeYieldFor(NULL, wxEVT_CATEGORY_UI) instead
1956         //       (needs to be tested!)
1957         wxSafeYield();
1958     }
1959
1960     wxDataViewItem item = GetItemByRow( m_currentRow );
1961
1962     wxRect labelRect = GetItemRect(item, m_currentCol);
1963
1964     m_currentCol->GetRenderer()->StartEditing( item, labelRect );
1965 }
1966
1967 //-----------------------------------------------------------------------------
1968 // Helper class for do operation on the tree node
1969 //-----------------------------------------------------------------------------
1970 class DoJob
1971 {
1972 public:
1973     DoJob() { }
1974     virtual ~DoJob() { }
1975
1976     // The return value control how the tree-walker tranverse the tree
1977     // 0: Job done, stop tranverse and return
1978     // 1: Ignore the current node's subtree and continue
1979     // 2: Job not done, continue
1980     enum  { OK = 0 , IGR = 1, CONT = 2 };
1981     virtual int operator() ( wxDataViewTreeNode * node ) = 0;
1982     virtual int operator() ( void * n ) = 0;
1983 };
1984
1985 bool Walker( wxDataViewTreeNode * node, DoJob & func )
1986 {
1987     if( node==NULL )
1988         return false;
1989
1990     switch( func( node ) )
1991     {
1992         case DoJob::OK :
1993             return true;
1994         case DoJob::IGR:
1995             return false;
1996         case DoJob::CONT:
1997         default:
1998             ;
1999     }
2000
2001     wxDataViewTreeNodes nodes = node->GetNodes();
2002     wxDataViewTreeLeaves leaves = node->GetChildren();
2003
2004     int len_nodes = nodes.GetCount();
2005     int len = leaves.GetCount();
2006     int i = 0, nodes_i = 0;
2007
2008     for(; i < len; i ++ )
2009     {
2010         void * n = leaves[i];
2011         if( nodes_i < len_nodes && n == nodes[nodes_i]->GetItem().GetID() )
2012         {
2013             wxDataViewTreeNode * nd = nodes[nodes_i];
2014             nodes_i++;
2015
2016             if( Walker( nd , func ) )
2017                 return true;
2018
2019         }
2020         else
2021             switch( func( n ) )
2022             {
2023                 case DoJob::OK :
2024                     return true;
2025                 case DoJob::IGR:
2026                     continue;
2027                 case DoJob::CONT:
2028                 default:
2029                 ;
2030             }
2031     }
2032     return false;
2033 }
2034
2035 bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
2036 {
2037     if (IsVirtualList())
2038     {
2039         wxDataViewVirtualListModel *list_model =
2040             (wxDataViewVirtualListModel*) GetOwner()->GetModel();
2041         m_count = list_model->GetCount();
2042         UpdateDisplay();
2043         return true;
2044     }
2045
2046     SortPrepare();
2047
2048     wxDataViewTreeNode * node;
2049     node = FindNode(parent);
2050
2051     if( node == NULL )
2052         return false;
2053
2054     node->SetHasChildren( true );
2055
2056     if( g_model->IsContainer( item ) )
2057     {
2058         wxDataViewTreeNode * newnode = new wxDataViewTreeNode( node );
2059         newnode->SetItem(item);
2060         newnode->SetHasChildren( true );
2061         node->AddNode( newnode);
2062     }
2063     else
2064         node->AddLeaf( item.GetID() );
2065
2066     node->ChangeSubTreeCount(1);
2067
2068     m_count = -1;
2069     UpdateDisplay();
2070
2071     return true;
2072 }
2073
2074 static void DestroyTreeHelper( wxDataViewTreeNode * node);
2075
2076 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
2077                                        const wxDataViewItem& item)
2078 {
2079     if (IsVirtualList())
2080     {
2081         wxDataViewVirtualListModel *list_model =
2082             (wxDataViewVirtualListModel*) GetOwner()->GetModel();
2083         m_count = list_model->GetCount();
2084
2085         if( m_currentRow > GetRowCount() )
2086             m_currentRow = m_count - 1;
2087
2088         // TODO: why empty the entire selection?
2089         m_selection.Empty();
2090
2091         UpdateDisplay();
2092
2093         return true;
2094     }
2095
2096     wxDataViewTreeNode * node = FindNode(parent);
2097
2098     wxCHECK_MSG( node != NULL, false, "item not found" );
2099     wxCHECK_MSG( node->GetChildren().Index( item.GetID() ) != wxNOT_FOUND,
2100                  false, "item not found" );
2101
2102     int sub = -1;
2103     node->GetChildren().Remove( item.GetID() );
2104     // Manipolate selection
2105     if( m_selection.GetCount() > 1 )
2106     {
2107         m_selection.Empty();
2108     }
2109     bool isContainer = false;
2110     wxDataViewTreeNodes nds = node->GetNodes();
2111     for (size_t i = 0; i < nds.GetCount(); i ++)
2112     {
2113         if (nds[i]->GetItem() == item)
2114         {
2115             isContainer = true;
2116             break;
2117         }
2118     }
2119     if( isContainer )
2120     {
2121         wxDataViewTreeNode * n = NULL;
2122         wxDataViewTreeNodes nodes = node->GetNodes();
2123         int len = nodes.GetCount();
2124         for( int i = 0; i < len; i ++)
2125         {
2126             if( nodes[i]->GetItem() == item )
2127             {
2128                 n = nodes[i];
2129                 break;
2130             }
2131         }
2132
2133         wxCHECK_MSG( n != NULL, false, "item not found" );
2134
2135         node->GetNodes().Remove( n );
2136         sub -= n->GetSubTreeCount();
2137         ::DestroyTreeHelper(n);
2138     }
2139     // Make the row number invalid and get a new valid one when user call GetRowCount
2140     m_count = -1;
2141     node->ChangeSubTreeCount(sub);
2142
2143     // Change the current row to the last row if the current exceed the max row number
2144     if( m_currentRow > GetRowCount() )
2145         m_currentRow = m_count - 1;
2146
2147     UpdateDisplay();
2148
2149     return true;
2150 }
2151
2152 bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
2153 {
2154     SortPrepare();
2155     g_model->Resort();
2156
2157     // Send event
2158     wxWindow *parent = GetParent();
2159     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2160     le.SetEventObject(parent);
2161     le.SetModel(GetOwner()->GetModel());
2162     le.SetItem(item);
2163     parent->GetEventHandler()->ProcessEvent(le);
2164
2165     return true;
2166 }
2167
2168 bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int col )
2169 {
2170     // NOTE: to be valid, we cannot use e.g. INT_MAX - 1
2171 /*#define MAX_VIRTUAL_WIDTH       100000
2172
2173     wxRect rect( 0, row*m_lineHeight, MAX_VIRTUAL_WIDTH, m_lineHeight );
2174     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2175     Refresh( true, &rect );
2176
2177     return true;
2178 */
2179     SortPrepare();
2180     g_model->Resort();
2181
2182     // Send event
2183     wxWindow *parent = GetParent();
2184     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2185     le.SetEventObject(parent);
2186     le.SetModel(GetOwner()->GetModel());
2187     le.SetItem(item);
2188     le.SetColumn(col);
2189     le.SetDataViewColumn(GetOwner()->GetColumn(col));
2190     parent->GetEventHandler()->ProcessEvent(le);
2191
2192     return true;
2193 }
2194
2195 bool wxDataViewMainWindow::Cleared()
2196 {
2197     DestroyTree();
2198
2199     SortPrepare();
2200     BuildTree( GetOwner()->GetModel() );
2201
2202     UpdateDisplay();
2203
2204     return true;
2205 }
2206
2207 void wxDataViewMainWindow::UpdateDisplay()
2208 {
2209     m_dirty = true;
2210 }
2211
2212 void wxDataViewMainWindow::OnInternalIdle()
2213 {
2214     wxWindow::OnInternalIdle();
2215
2216     if (m_dirty)
2217     {
2218         RecalculateDisplay();
2219         m_dirty = false;
2220     }
2221 }
2222
2223 void wxDataViewMainWindow::RecalculateDisplay()
2224 {
2225     wxDataViewModel *model = GetOwner()->GetModel();
2226     if (!model)
2227     {
2228         Refresh();
2229         return;
2230     }
2231
2232     int width = GetEndOfLastCol();
2233     int height = GetLineStart( GetRowCount() );
2234
2235     SetVirtualSize( width, height );
2236     GetOwner()->SetScrollRate( 10, m_lineHeight );
2237
2238     Refresh();
2239 }
2240
2241 void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
2242 {
2243     wxWindow::ScrollWindow( dx, dy, rect );
2244
2245     if (GetOwner()->m_headerArea)
2246         GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
2247 }
2248
2249 void wxDataViewMainWindow::ScrollTo( int rows, int column )
2250 {
2251     int x, y;
2252     m_owner->GetScrollPixelsPerUnit( &x, &y );
2253     int sy = GetLineStart( rows )/y;
2254     int sx = 0;
2255     if( column != -1 )
2256     {
2257         wxRect rect = GetClientRect();
2258         int colnum = 0;
2259         int x_start, w = 0;
2260         int xx, yy, xe;
2261         m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy );
2262         for (x_start = 0; colnum < column; colnum++)
2263         {
2264             wxDataViewColumn *col = GetOwner()->GetColumnAt(colnum);
2265             if (col->IsHidden())
2266                 continue;      // skip it!
2267
2268             w = col->GetWidth();
2269             x_start += w;
2270         }
2271
2272         int x_end = x_start + w;
2273         xe = xx + rect.width;
2274         if( x_end > xe )
2275         {
2276             sx = ( xx + x_end - xe )/x;
2277         }
2278         if( x_start < xx )
2279         {
2280             sx = x_start/x;
2281         }
2282     }
2283     m_owner->Scroll( sx, sy );
2284 }
2285
2286 int wxDataViewMainWindow::GetCountPerPage() const
2287 {
2288     wxSize size = GetClientSize();
2289     return size.y / m_lineHeight;
2290 }
2291
2292 int wxDataViewMainWindow::GetEndOfLastCol() const
2293 {
2294     int width = 0;
2295     unsigned int i;
2296     for (i = 0; i < GetOwner()->GetColumnCount(); i++)
2297     {
2298         const wxDataViewColumn *c =
2299             const_cast<wxDataViewCtrl*>(GetOwner())->GetColumnAt( i );
2300
2301         if (!c->IsHidden())
2302             width += c->GetWidth();
2303     }
2304     return width;
2305 }
2306
2307 unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
2308 {
2309     int x = 0;
2310     int y = 0;
2311     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
2312
2313     return GetLineAt( y );
2314 }
2315
2316 unsigned int wxDataViewMainWindow::GetLastVisibleRow()
2317 {
2318     wxSize client_size = GetClientSize();
2319     m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
2320                                     &client_size.x, &client_size.y );
2321
2322     // we should deal with the pixel here
2323     unsigned int row = GetLineAt(client_size.y) - 1;
2324
2325     return wxMin( GetRowCount()-1, row );
2326 }
2327
2328 unsigned int wxDataViewMainWindow::GetRowCount()
2329 {
2330     if ( m_count == -1 )
2331     {
2332         m_count = RecalculateCount();
2333         UpdateDisplay();
2334     }
2335     return m_count;
2336 }
2337
2338 void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
2339 {
2340     m_currentRow = row;
2341
2342     // send event
2343 }
2344
2345 void wxDataViewMainWindow::SelectAllRows( bool on )
2346 {
2347     if (IsEmpty())
2348         return;
2349
2350     if (on)
2351     {
2352         m_selection.Clear();
2353         for (unsigned int i = 0; i < GetRowCount(); i++)
2354             m_selection.Add( i );
2355         Refresh();
2356     }
2357     else
2358     {
2359         unsigned int first_visible = GetFirstVisibleRow();
2360         unsigned int last_visible = GetLastVisibleRow();
2361         unsigned int i;
2362         for (i = 0; i < m_selection.GetCount(); i++)
2363         {
2364             unsigned int row = m_selection[i];
2365             if ((row >= first_visible) && (row <= last_visible))
2366                 RefreshRow( row );
2367         }
2368         m_selection.Clear();
2369     }
2370 }
2371
2372 void wxDataViewMainWindow::SelectRow( unsigned int row, bool on )
2373 {
2374     if (m_selection.Index( row ) == wxNOT_FOUND)
2375     {
2376         if (on)
2377         {
2378             m_selection.Add( row );
2379             RefreshRow( row );
2380         }
2381     }
2382     else
2383     {
2384         if (!on)
2385         {
2386             m_selection.Remove( row );
2387             RefreshRow( row );
2388         }
2389     }
2390 }
2391
2392 void wxDataViewMainWindow::SelectRows( unsigned int from, unsigned int to, bool on )
2393 {
2394     if (from > to)
2395     {
2396         unsigned int tmp = from;
2397         from = to;
2398         to = tmp;
2399     }
2400
2401     unsigned int i;
2402     for (i = from; i <= to; i++)
2403     {
2404         if (m_selection.Index( i ) == wxNOT_FOUND)
2405         {
2406             if (on)
2407                 m_selection.Add( i );
2408         }
2409         else
2410         {
2411             if (!on)
2412                 m_selection.Remove( i );
2413         }
2414     }
2415     RefreshRows( from, to );
2416 }
2417
2418 void wxDataViewMainWindow::Select( const wxArrayInt& aSelections )
2419 {
2420     for (size_t i=0; i < aSelections.GetCount(); i++)
2421     {
2422         int n = aSelections[i];
2423
2424         m_selection.Add( n );
2425         RefreshRow( n );
2426     }
2427 }
2428
2429 void wxDataViewMainWindow::ReverseRowSelection( unsigned int row )
2430 {
2431     if (m_selection.Index( row ) == wxNOT_FOUND)
2432         m_selection.Add( row );
2433     else
2434         m_selection.Remove( row );
2435     RefreshRow( row );
2436 }
2437
2438 bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
2439 {
2440     return (m_selection.Index( row ) != wxNOT_FOUND);
2441 }
2442
2443 void wxDataViewMainWindow::SendSelectionChangedEvent( const wxDataViewItem& item)
2444 {
2445     wxWindow *parent = GetParent();
2446     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, parent->GetId());
2447
2448     le.SetEventObject(parent);
2449     le.SetModel(GetOwner()->GetModel());
2450     le.SetItem( item );
2451
2452     parent->GetEventHandler()->ProcessEvent(le);
2453 }
2454
2455 void wxDataViewMainWindow::RefreshRow( unsigned int row )
2456 {
2457     wxRect rect( 0, GetLineStart( row ), GetEndOfLastCol(), GetLineHeight( row ) );
2458     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2459
2460     wxSize client_size = GetClientSize();
2461     wxRect client_rect( 0, 0, client_size.x, client_size.y );
2462     wxRect intersect_rect = client_rect.Intersect( rect );
2463     if (intersect_rect.width > 0)
2464         Refresh( true, &intersect_rect );
2465 }
2466
2467 void wxDataViewMainWindow::RefreshRows( unsigned int from, unsigned int to )
2468 {
2469     if (from > to)
2470     {
2471         unsigned int tmp = to;
2472         to = from;
2473         from = tmp;
2474     }
2475
2476     wxRect rect( 0, GetLineStart( from ), GetEndOfLastCol(), GetLineStart( (to-from+1) ) );
2477     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2478
2479     wxSize client_size = GetClientSize();
2480     wxRect client_rect( 0, 0, client_size.x, client_size.y );
2481     wxRect intersect_rect = client_rect.Intersect( rect );
2482     if (intersect_rect.width > 0)
2483         Refresh( true, &intersect_rect );
2484 }
2485
2486 void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
2487 {
2488     wxSize client_size = GetClientSize();
2489     int start = GetLineStart( firstRow );
2490     m_owner->CalcScrolledPosition( start, 0, &start, NULL );
2491     if (start > client_size.y) return;
2492
2493     wxRect rect( 0, start, client_size.x, client_size.y - start );
2494
2495     Refresh( true, &rect );
2496 }
2497
2498 void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event)
2499 {
2500     wxCHECK_RET( newCurrent < GetRowCount(),
2501                 wxT("invalid item index in OnArrowChar()") );
2502
2503     // if there is no selection, we cannot move it anywhere
2504     if (!HasCurrentRow())
2505         return;
2506
2507     unsigned int oldCurrent = m_currentRow;
2508
2509     // in single selection we just ignore Shift as we can't select several
2510     // items anyhow
2511     if ( event.ShiftDown() && !IsSingleSel() )
2512     {
2513         RefreshRow( oldCurrent );
2514
2515         ChangeCurrentRow( newCurrent );
2516
2517         // select all the items between the old and the new one
2518         if ( oldCurrent > newCurrent )
2519         {
2520             newCurrent = oldCurrent;
2521             oldCurrent = m_currentRow;
2522         }
2523
2524         SelectRows( oldCurrent, newCurrent, true );
2525         if (oldCurrent!=newCurrent)
2526             SendSelectionChangedEvent(GetItemByRow(m_selection[0]));
2527     }
2528     else // !shift
2529     {
2530         RefreshRow( oldCurrent );
2531
2532         // all previously selected items are unselected unless ctrl is held
2533         if ( !event.ControlDown() )
2534             SelectAllRows(false);
2535
2536         ChangeCurrentRow( newCurrent );
2537
2538         if ( !event.ControlDown() )
2539         {
2540             SelectRow( m_currentRow, true );
2541             SendSelectionChangedEvent(GetItemByRow(m_currentRow));
2542         }
2543         else
2544             RefreshRow( m_currentRow );
2545     }
2546
2547     GetOwner()->EnsureVisible( m_currentRow, -1 );
2548 }
2549
2550 wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
2551 {
2552     wxRect rect;
2553     rect.x = 0;
2554     rect.y = GetLineStart( row );
2555     rect.width = GetEndOfLastCol();
2556     rect.height = GetLineHeight( row );
2557
2558     return rect;
2559 }
2560
2561 int wxDataViewMainWindow::GetLineStart( unsigned int row ) const
2562 {
2563     const wxDataViewModel *model = GetOwner()->GetModel();
2564
2565     if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2566     {
2567         // TODO make more efficient
2568
2569         int start = 0;
2570
2571         unsigned int r;
2572         for (r = 0; r < row; r++)
2573         {
2574             const wxDataViewTreeNode* node = GetTreeNodeByRow(r);
2575             if (!node) return start;
2576
2577             wxDataViewItem item = node->GetItem();
2578
2579             if (node && !node->HasChildren())
2580             {
2581                 // Yes, if the node does not have any child, it must be a leaf which
2582                 // mean that it is a temporarily created by GetTreeNodeByRow
2583                 wxDELETE(node);
2584             }
2585
2586             unsigned int cols = GetOwner()->GetColumnCount();
2587             unsigned int col;
2588             int height = m_lineHeight;
2589             for (col = 0; col < cols; col++)
2590             {
2591                 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2592                 if (column->IsHidden())
2593                     continue;      // skip it!
2594
2595                 if ((col != 0) &&
2596                     model->IsContainer(item) &&
2597                     !model->HasContainerColumns(item))
2598                     continue;      // skip it!
2599
2600                 wxVariant value;
2601                 model->GetValue( value, item, column->GetModelColumn() );
2602
2603                 wxDataViewRenderer *renderer =
2604                     const_cast<wxDataViewRenderer*>(column->GetRenderer());
2605                 renderer->SetValue( value );
2606                 height = wxMax( height, renderer->GetSize().y );
2607             }
2608
2609             start += height;
2610         }
2611
2612         return start;
2613     }
2614     else
2615     {
2616         return row * m_lineHeight;
2617     }
2618 }
2619
2620 int wxDataViewMainWindow::GetLineAt( unsigned int y ) const
2621 {
2622     const wxDataViewModel *model = GetOwner()->GetModel();
2623
2624     // check for the easy case first
2625     if ( !GetOwner()->HasFlag(wxDV_VARIABLE_LINE_HEIGHT) )
2626         return y / m_lineHeight;
2627
2628     // TODO make more efficient
2629     unsigned int row = 0;
2630     unsigned int yy = 0;
2631     for (;;)
2632     {
2633         const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2634         if (!node)
2635         {
2636             // not really correct...
2637             return row + ((y-yy) / m_lineHeight);
2638         }
2639
2640         wxDataViewItem item = node->GetItem();
2641
2642         if (node && !node->HasChildren())
2643         {
2644             // Yes, if the node does not have any child, it must be a leaf which
2645             // mean that it is a temporarily created by GetTreeNodeByRow
2646             wxDELETE(node);
2647         }
2648
2649         unsigned int cols = GetOwner()->GetColumnCount();
2650         unsigned int col;
2651         int height = m_lineHeight;
2652         for (col = 0; col < cols; col++)
2653         {
2654             const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2655             if (column->IsHidden())
2656                 continue;      // skip it!
2657
2658             if ((col != 0) &&
2659                 model->IsContainer(item) &&
2660                 !model->HasContainerColumns(item))
2661                 continue;      // skip it!
2662
2663             wxVariant value;
2664             model->GetValue( value, item, column->GetModelColumn() );
2665
2666             wxDataViewRenderer *renderer =
2667                 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2668             renderer->SetValue( value );
2669             height = wxMax( height, renderer->GetSize().y );
2670         }
2671
2672         yy += height;
2673         if (y < yy)
2674             return row;
2675
2676         row++;
2677     }
2678 }
2679
2680 int wxDataViewMainWindow::GetLineHeight( unsigned int row ) const
2681 {
2682     const wxDataViewModel *model = GetOwner()->GetModel();
2683
2684     if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2685     {
2686         wxASSERT( !IsVirtualList() );
2687
2688         const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2689         // wxASSERT( node );
2690         if (!node) return m_lineHeight;
2691
2692         wxDataViewItem item = node->GetItem();
2693
2694         if (node && !node->HasChildren())
2695         {
2696                 // Yes, if the node does not have any child, it must be a leaf which
2697                 // mean that it is a temporarily created by GetTreeNodeByRow
2698             wxDELETE(node);
2699         }
2700
2701         int height = m_lineHeight;
2702
2703         unsigned int cols = GetOwner()->GetColumnCount();
2704         unsigned int col;
2705         for (col = 0; col < cols; col++)
2706         {
2707             const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2708             if (column->IsHidden())
2709                 continue;      // skip it!
2710
2711             if ((col != 0) &&
2712                 model->IsContainer(item) &&
2713                 !model->HasContainerColumns(item))
2714                 continue;      // skip it!
2715
2716             wxVariant value;
2717             model->GetValue( value, item, column->GetModelColumn() );
2718
2719             wxDataViewRenderer *renderer =
2720                 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2721             renderer->SetValue( value );
2722             height = wxMax( height, renderer->GetSize().y );
2723         }
2724
2725         return height;
2726     }
2727     else
2728     {
2729         return m_lineHeight;
2730     }
2731 }
2732
2733 class RowToItemJob: public DoJob
2734 {
2735 public:
2736     RowToItemJob( unsigned int row , int current )
2737         { this->row = row; this->current = current; }
2738     virtual ~RowToItemJob() {}
2739
2740     virtual int operator() ( wxDataViewTreeNode * node )
2741     {
2742         current ++;
2743         if( current == static_cast<int>(row))
2744         {
2745             ret = node->GetItem();
2746             return DoJob::OK;
2747         }
2748
2749         if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2750         {
2751             current += node->GetSubTreeCount();
2752             return  DoJob::IGR;
2753         }
2754         else
2755         {
2756             // If the current has no child node, we can find the desired item of the row
2757             // number directly.
2758             // This if can speed up finding in some case, and will has a very good effect
2759             // when it comes to list view
2760             if( node->GetNodes().GetCount() == 0)
2761             {
2762                 int index = static_cast<int>(row) - current - 1;
2763                 ret = node->GetChildren().Item( index );
2764                 return DoJob::OK;
2765             }
2766             return DoJob::CONT;
2767         }
2768     }
2769
2770     virtual int operator() ( void * n )
2771     {
2772         current ++;
2773         if( current == static_cast<int>(row))
2774         {
2775             ret = wxDataViewItem( n );
2776             return DoJob::OK;
2777         }
2778         return DoJob::CONT;
2779     }
2780
2781     wxDataViewItem GetResult() const
2782         { return ret; }
2783
2784 private:
2785     unsigned int row;
2786     int current;
2787     wxDataViewItem ret;
2788 };
2789
2790 wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
2791 {
2792     if (IsVirtualList())
2793     {
2794         return wxDataViewItem( wxUIntToPtr(row+1) );
2795     }
2796     else
2797     {
2798         RowToItemJob job( row, -2 );
2799         Walker( m_root , job );
2800         return job.GetResult();
2801     }
2802 }
2803
2804 class RowToTreeNodeJob: public DoJob
2805 {
2806 public:
2807     RowToTreeNodeJob( unsigned int row , int current, wxDataViewTreeNode * node )
2808     {
2809         this->row = row;
2810         this->current = current;
2811         ret = NULL;
2812         parent = node;
2813     }
2814     virtual ~RowToTreeNodeJob(){ }
2815
2816     virtual int operator() ( wxDataViewTreeNode * node )
2817     {
2818         current ++;
2819         if( current == static_cast<int>(row))
2820         {
2821             ret = node;
2822             return DoJob::OK;
2823         }
2824
2825         if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2826         {
2827             current += node->GetSubTreeCount();
2828             return  DoJob::IGR;
2829         }
2830         else
2831         {
2832             parent = node;
2833
2834             // If the current node has no children, we can find the desired item of the
2835             // row number directly.
2836             // This if can speed up finding in some case, and will have a very good
2837             // effect for list views.
2838             if( node->GetNodes().GetCount() == 0)
2839             {
2840                 int index = static_cast<int>(row) - current - 1;
2841                 void * n = node->GetChildren().Item( index );
2842                 ret = new wxDataViewTreeNode( parent );
2843                 ret->SetItem( wxDataViewItem( n ));
2844                 ret->SetHasChildren(false);
2845                 return DoJob::OK;
2846             }
2847             return DoJob::CONT;
2848         }
2849     }
2850
2851     virtual int operator() ( void * n )
2852     {
2853         current ++;
2854         if( current == static_cast<int>(row))
2855         {
2856             ret = new wxDataViewTreeNode( parent );
2857             ret->SetItem( wxDataViewItem( n ));
2858             ret->SetHasChildren(false);
2859             return DoJob::OK;
2860         }
2861
2862         return DoJob::CONT;
2863     }
2864
2865     wxDataViewTreeNode * GetResult() const
2866         { return ret; }
2867
2868 private:
2869     unsigned int row;
2870     int current;
2871     wxDataViewTreeNode * ret;
2872     wxDataViewTreeNode * parent;
2873 };
2874
2875 wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row) const
2876 {
2877     wxASSERT( !IsVirtualList() );
2878
2879     RowToTreeNodeJob job( row , -2, m_root );
2880     Walker( m_root , job );
2881     return job.GetResult();
2882 }
2883
2884 wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type,
2885                                                          const wxDataViewItem & item )
2886 {
2887     wxWindow *parent = GetParent();
2888     wxDataViewEvent le(type, parent->GetId());
2889
2890     le.SetEventObject(parent);
2891     le.SetModel(GetOwner()->GetModel());
2892     le.SetItem( item );
2893
2894     parent->GetEventHandler()->ProcessEvent(le);
2895     return le;
2896 }
2897
2898 bool wxDataViewMainWindow::IsExpanded( unsigned int row ) const
2899 {
2900     if (IsVirtualList())
2901         return false;
2902
2903     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2904     if (!node)
2905         return false;
2906
2907     if (!node->HasChildren())
2908     {
2909         delete node;
2910         return false;
2911     }
2912
2913     return node->IsOpen();
2914 }
2915
2916 bool wxDataViewMainWindow::HasChildren( unsigned int row ) const
2917 {
2918     if (IsVirtualList())
2919         return false;
2920
2921     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2922     if (!node)
2923         return false;
2924
2925     if (!node->HasChildren())
2926     {
2927         delete node;
2928         return false;
2929     }
2930
2931     return true;
2932 }
2933
2934 void wxDataViewMainWindow::Expand( unsigned int row )
2935 {
2936     if (IsVirtualList())
2937         return;
2938
2939     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2940     if (!node)
2941         return;
2942
2943     if (!node->HasChildren())
2944     {
2945         delete node;
2946         return;
2947     }
2948
2949             if (!node->IsOpen())
2950             {
2951                 wxDataViewEvent e =
2952                     SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, node->GetItem());
2953
2954                 // Check if the user prevent expanding
2955                 if( e.GetSkipped() )
2956                     return;
2957
2958                 node->ToggleOpen();
2959
2960                 // build the children of current node
2961                 if( node->GetChildrenNumber() == 0 )
2962                 {
2963                     SortPrepare();
2964                     ::BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node);
2965                 }
2966
2967                 // By expanding the node all row indices that are currently in the selection list
2968                 // and are greater than our node have become invalid. So we have to correct that now.
2969                 const unsigned rowAdjustment = node->GetSubTreeCount();
2970                 for(unsigned i=0; i<m_selection.size(); ++i)
2971                 {
2972                     const unsigned testRow = m_selection[i];
2973                     // all rows above us are not affected, so skip them
2974                     if(testRow <= row)
2975                         continue;
2976
2977                     m_selection[i] += rowAdjustment;
2978                 }
2979
2980                 if(m_currentRow > row)
2981                     ChangeCurrentRow(m_currentRow + rowAdjustment);
2982
2983                 m_count = -1;
2984                 UpdateDisplay();
2985                 // Send the expanded event
2986                 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
2987             }
2988 }
2989
2990 void wxDataViewMainWindow::Collapse(unsigned int row)
2991 {
2992     if (IsVirtualList())
2993         return;
2994
2995     wxDataViewTreeNode *node = GetTreeNodeByRow(row);
2996     if (!node)
2997         return;
2998
2999     if (!node->HasChildren())
3000     {
3001         delete node;
3002         return;
3003     }
3004
3005         if (node->IsOpen())
3006         {
3007             wxDataViewEvent e =
3008                 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem());
3009             if( e.GetSkipped() )
3010                 return;
3011
3012             // Find out if there are selected items below the current node.
3013             bool selectCollapsingRow = false;
3014             const unsigned rowAdjustment = node->GetSubTreeCount();
3015             unsigned maxRowToBeTested = row + rowAdjustment;
3016             for(unsigned i=0; i<m_selection.size(); ++i)
3017             {
3018                 const unsigned testRow = m_selection[i];
3019                 if(testRow > row && testRow <= maxRowToBeTested)
3020                 {
3021                     selectCollapsingRow = true;
3022                     // get out as soon as we have found a node that is selected
3023                     break;
3024                 }
3025             }
3026
3027             node->ToggleOpen();
3028
3029             // If the node to be closed has selected items the user won't see those any longer.
3030             // We select the collapsing node in this case.
3031             if(selectCollapsingRow)
3032             {
3033                 SelectAllRows(false);
3034                 ChangeCurrentRow(row);
3035                 SelectRow(row, true);
3036                 SendSelectionChangedEvent(GetItemByRow(row));
3037             }
3038             else
3039             {
3040                 // if there were no selected items below our node we still need to "fix" the
3041                 // selection list to adjust for the changing of the row indices.
3042                 // We actually do the opposite of what we are doing in Expand().
3043                 for(unsigned i=0; i<m_selection.size(); ++i)
3044                 {
3045                     const unsigned testRow = m_selection[i];
3046                     // all rows above us are not affected, so skip them
3047                     if(testRow <= row)
3048                         continue;
3049
3050                     m_selection[i] -= rowAdjustment;
3051                 }
3052
3053                 // if the "current row" is being collapsed away we change it to the current row ;-)
3054                 if(m_currentRow > row && m_currentRow <= maxRowToBeTested)
3055                     ChangeCurrentRow(row);
3056                 else if(m_currentRow > row)
3057                     ChangeCurrentRow(m_currentRow - rowAdjustment);
3058             }
3059
3060             m_count = -1;
3061             UpdateDisplay();
3062             SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,node->GetItem());
3063         }
3064 }
3065
3066 wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
3067 {
3068     wxDataViewModel * model = GetOwner()->GetModel();
3069     if( model == NULL )
3070         return NULL;
3071
3072     if (!item.IsOk())
3073         return m_root;
3074
3075     // Compose the a parent-chain of the finding item
3076     ItemList list;
3077     list.DeleteContents( true );
3078     wxDataViewItem it( item );
3079     while( it.IsOk() )
3080     {
3081         wxDataViewItem * pItem = new wxDataViewItem( it );
3082         list.Insert( pItem );
3083         it = model->GetParent( it );
3084     }
3085
3086     // Find the item along the parent-chain.
3087     // This algorithm is designed to speed up the node-finding method
3088     wxDataViewTreeNode * node = m_root;
3089     for( ItemList::const_iterator iter = list.begin(); iter !=list.end(); iter++ )
3090     {
3091         if( node->HasChildren() )
3092         {
3093             if( node->GetChildrenNumber() == 0 )
3094             {
3095                 SortPrepare();
3096                 ::BuildTreeHelper(model, node->GetItem(), node);
3097             }
3098
3099             wxDataViewTreeNodes nodes = node->GetNodes();
3100             unsigned int i;
3101             bool found = false;
3102
3103             for (i = 0; i < nodes.GetCount(); i ++)
3104             {
3105                 if (nodes[i]->GetItem() == (**iter))
3106                 {
3107                     if (nodes[i]->GetItem() == item)
3108                     return nodes[i];
3109
3110                     node = nodes[i];
3111                     found = true;
3112                     break;
3113                 }
3114             }
3115             if (!found)
3116                 return NULL;
3117         }
3118         else
3119             return NULL;
3120     }
3121     return NULL;
3122 }
3123
3124 void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item,
3125                                     wxDataViewColumn* &column )
3126 {
3127     wxDataViewColumn *col = NULL;
3128     unsigned int cols = GetOwner()->GetColumnCount();
3129     unsigned int colnum = 0;
3130     int x, y;
3131     m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y );
3132     for (unsigned x_start = 0; colnum < cols; colnum++)
3133     {
3134         col = GetOwner()->GetColumnAt(colnum);
3135         if (col->IsHidden())
3136             continue;      // skip it!
3137
3138         unsigned int w = col->GetWidth();
3139         if (x_start+w >= (unsigned int)x)
3140             break;
3141
3142         x_start += w;
3143     }
3144
3145     column = col;
3146     item = GetItemByRow( GetLineAt( y ) );
3147 }
3148
3149 wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item,
3150                                           const wxDataViewColumn* column )
3151 {
3152     int xpos = 0;
3153     int width = 0;
3154
3155     unsigned int cols = GetOwner()->GetColumnCount();
3156     // If column is null the loop will compute the combined width of all columns.
3157     // Otherwise, it will compute the x position of the column we are looking for.
3158     for (unsigned int i = 0; i < cols; i++)
3159     {
3160         wxDataViewColumn* col = GetOwner()->GetColumnAt( i );
3161
3162         if (col == column)
3163             break;
3164
3165         if (col->IsHidden())
3166             continue;      // skip it!
3167
3168         xpos += col->GetWidth();
3169         width += col->GetWidth();
3170     }
3171
3172     if(column != 0)
3173     {
3174         // If we have a column, we need can get its width directly.
3175         if(column->IsHidden())
3176             width = 0;
3177         else
3178             width = column->GetWidth();
3179
3180     }
3181     else
3182     {
3183         // If we have no column, we reset the x position back to zero.
3184         xpos = 0;
3185     }
3186
3187     // we have to take an expander column into account and compute its indentation
3188     // to get the correct x position where the actual text is
3189     int indent = 0;
3190     int row = GetRowByItem(item);
3191     if (!IsVirtualList() && (column == 0 || GetOwner()->GetExpanderColumn() == column) )
3192     {
3193         wxDataViewTreeNode* node = GetTreeNodeByRow(row);
3194         indent = GetOwner()->GetIndent() * node->GetIndentLevel();
3195         indent = indent + m_lineHeight; // use m_lineHeight as the width of the expander
3196
3197         if(!node->HasChildren())
3198             delete node;
3199     }
3200
3201     wxRect itemRect( xpos + indent,
3202                      GetLineStart( row ),
3203                      width - indent,
3204                      GetLineHeight( row ) );
3205
3206     GetOwner()->CalcScrolledPosition(  itemRect.x,  itemRect.y,
3207                                       &itemRect.x, &itemRect.y );
3208
3209     return itemRect;
3210 }
3211
3212 int wxDataViewMainWindow::RecalculateCount()
3213 {
3214     if (IsVirtualList())
3215     {
3216         wxDataViewVirtualListModel *list_model =
3217             (wxDataViewVirtualListModel*) GetOwner()->GetModel();
3218
3219         return list_model->GetCount();
3220     }
3221     else
3222     {
3223         return m_root->GetSubTreeCount();
3224     }
3225 }
3226
3227 class ItemToRowJob : public DoJob
3228 {
3229 public:
3230     ItemToRowJob(const wxDataViewItem& item_, ItemList::const_iterator iter)
3231         : m_iter(iter),
3232         item(item_)
3233     {
3234         ret = -1;
3235     }
3236
3237     // Maybe binary search will help to speed up this process
3238     virtual int operator() ( wxDataViewTreeNode * node)
3239     {
3240         ret ++;
3241         if( node->GetItem() == item )
3242         {
3243             return DoJob::OK;
3244         }
3245
3246         if( node->GetItem() == **m_iter )
3247         {
3248             m_iter++;
3249             return DoJob::CONT;
3250         }
3251         else
3252         {
3253             ret += node->GetSubTreeCount();
3254             return DoJob::IGR;
3255         }
3256
3257     }
3258
3259     virtual int operator() ( void * n )
3260     {
3261         ret ++;
3262         if( n == item.GetID() )
3263             return DoJob::OK;
3264         return DoJob::CONT;
3265     }
3266
3267     // the row number is begin from zero
3268     int GetResult() const
3269         { return ret -1; }
3270
3271 private:
3272     ItemList::const_iterator  m_iter;
3273     wxDataViewItem item;
3274     int ret;
3275
3276 };
3277
3278 int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item) const
3279 {
3280     const wxDataViewModel * model = GetOwner()->GetModel();
3281     if( model == NULL )
3282         return -1;
3283
3284     if (IsVirtualList())
3285     {
3286         return wxPtrToUInt( item.GetID() ) -1;
3287     }
3288     else
3289     {
3290         if( !item.IsOk() )
3291             return -1;
3292
3293         // Compose the a parent-chain of the finding item
3294         ItemList list;
3295         wxDataViewItem * pItem;
3296         list.DeleteContents( true );
3297         wxDataViewItem it( item );
3298         while( it.IsOk() )
3299         {
3300             pItem = new wxDataViewItem( it );
3301             list.Insert( pItem );
3302             it = model->GetParent( it );
3303         }
3304         pItem = new wxDataViewItem( );
3305         list.Insert( pItem );
3306
3307         ItemToRowJob job( item, list.begin() );
3308         Walker(m_root , job );
3309         return job.GetResult();
3310     }
3311 }
3312
3313 static void BuildTreeHelper( wxDataViewModel * model,  wxDataViewItem & item,
3314                              wxDataViewTreeNode * node)
3315 {
3316     if( !model->IsContainer( item ) )
3317         return;
3318
3319     wxDataViewItemArray children;
3320     unsigned int num = model->GetChildren( item, children);
3321
3322     unsigned int index = 0;
3323     while( index < num )
3324     {
3325         if( model->IsContainer( children[index] ) )
3326         {
3327             wxDataViewTreeNode * n = new wxDataViewTreeNode( node );
3328             n->SetItem(children[index]);
3329             n->SetHasChildren( true );
3330             node->AddNode( n );
3331         }
3332         else
3333         {
3334             node->AddLeaf( children[index].GetID() );
3335         }
3336         index ++;
3337     }
3338     node->SetSubTreeCount( num );
3339     wxDataViewTreeNode * n = node->GetParent();
3340     if( n != NULL)
3341         n->ChangeSubTreeCount(num);
3342
3343 }
3344
3345 void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
3346 {
3347     DestroyTree();
3348
3349     if (GetOwner()->GetModel()->IsVirtualListModel())
3350     {
3351         m_count = -1;
3352         return;
3353     }
3354
3355     m_root = new wxDataViewTreeNode( NULL );
3356     m_root->SetHasChildren(true);
3357
3358     // First we define a invalid item to fetch the top-level elements
3359     wxDataViewItem item;
3360     SortPrepare();
3361     BuildTreeHelper( model, item, m_root);
3362     m_count = -1;
3363 }
3364
3365 static void DestroyTreeHelper( wxDataViewTreeNode * node )
3366 {
3367     if( node->GetNodeNumber() != 0 )
3368     {
3369         int len = node->GetNodeNumber();
3370         wxDataViewTreeNodes& nodes = node->GetNodes();
3371         for (int i = 0; i < len; i++)
3372             DestroyTreeHelper(nodes[i]);
3373     }
3374     delete node;
3375 }
3376
3377 void wxDataViewMainWindow::DestroyTree()
3378 {
3379     if (!IsVirtualList())
3380     {
3381         ::DestroyTreeHelper(m_root);
3382             m_count = 0;
3383             m_root = NULL;
3384     }
3385 }
3386
3387 void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
3388 {
3389     if ( GetParent()->HandleAsNavigationKey(event) )
3390         return;
3391
3392     // no item -> nothing to do
3393     if (!HasCurrentRow())
3394     {
3395         event.Skip();
3396         return;
3397     }
3398
3399     // don't use m_linesPerPage directly as it might not be computed yet
3400     const int pageSize = GetCountPerPage();
3401     wxCHECK_RET( pageSize, wxT("should have non zero page size") );
3402
3403     switch ( event.GetKeyCode() )
3404     {
3405         case WXK_RETURN:
3406             {
3407                 wxWindow *parent = GetParent();
3408                 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED,
3409                                    parent->GetId());
3410                 le.SetItem( GetItemByRow(m_currentRow) );
3411                 le.SetEventObject(parent);
3412                 le.SetModel(GetOwner()->GetModel());
3413
3414                 parent->GetEventHandler()->ProcessEvent(le);
3415             }
3416             break;
3417
3418         case WXK_UP:
3419             if ( m_currentRow > 0 )
3420                 OnArrowChar( m_currentRow - 1, event );
3421             break;
3422
3423         case WXK_DOWN:
3424             if ( m_currentRow < GetRowCount() - 1 )
3425                 OnArrowChar( m_currentRow + 1, event );
3426             break;
3427         // Add the process for tree expanding/collapsing
3428         case WXK_LEFT:
3429         {
3430             if (IsVirtualList())
3431                break;
3432
3433             wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow);
3434             if (!node)
3435                 break;
3436
3437             if (node->HasChildren() && node->IsOpen())
3438             {
3439                 Collapse(m_currentRow);
3440             }
3441             else    // if the node is already closed we move the selection to its parent
3442             {
3443                 wxDataViewTreeNode *parent_node = node->GetParent();
3444
3445                 if(!node->HasChildren())
3446                     delete node;
3447
3448                 if (parent_node)
3449                 {
3450                     int parent = GetRowByItem( parent_node->GetItem() );
3451                     if ( parent >= 0 )
3452                     {
3453                         unsigned int row = m_currentRow;
3454                         SelectRow( row, false);
3455                         SelectRow( parent, true );
3456                         ChangeCurrentRow( parent );
3457                         GetOwner()->EnsureVisible( parent, -1 );
3458                         SendSelectionChangedEvent( parent_node->GetItem() );
3459                     }
3460                 }
3461             }
3462             break;
3463         }
3464         case WXK_RIGHT:
3465         {
3466             if (!IsExpanded( m_currentRow ))
3467                 Expand( m_currentRow );
3468             else
3469             {
3470                 unsigned int row = m_currentRow;
3471                 SelectRow( row, false );
3472                 SelectRow( row + 1, true );
3473                 ChangeCurrentRow( row + 1 );
3474                 GetOwner()->EnsureVisible( row + 1, -1 );
3475                 SendSelectionChangedEvent( GetItemByRow(row+1) );
3476             }
3477             break;
3478         }
3479         case WXK_END:
3480         {
3481             if (!IsEmpty())
3482                 OnArrowChar( GetRowCount() - 1, event );
3483             break;
3484         }
3485         case WXK_HOME:
3486             if (!IsEmpty())
3487                 OnArrowChar( 0, event );
3488             break;
3489
3490         case WXK_PAGEUP:
3491             {
3492                 int steps = pageSize - 1;
3493                 int index = m_currentRow - steps;
3494                 if (index < 0)
3495                     index = 0;
3496
3497                 OnArrowChar( index, event );
3498             }
3499             break;
3500
3501         case WXK_PAGEDOWN:
3502             {
3503                 int steps = pageSize - 1;
3504                 unsigned int index = m_currentRow + steps;
3505                 unsigned int count = GetRowCount();
3506                 if ( index >= count )
3507                     index = count - 1;
3508
3509                 OnArrowChar( index, event );
3510             }
3511             break;
3512
3513         case WXK_F2:
3514             {
3515                 if(m_selection.size() == 1)
3516                 {
3517                     // TODO: we need to revise that when we have a concept for a 'current column'
3518                     GetOwner()->StartEditor(GetItemByRow(m_selection[0]), 0);
3519                 }
3520             }
3521             break;
3522
3523         default:
3524             event.Skip();
3525     }
3526 }
3527
3528 void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
3529 {
3530     if (event.GetEventType() == wxEVT_MOUSEWHEEL)
3531     {
3532         // let the base handle mouse wheel events.
3533         event.Skip();
3534         return;
3535     }
3536
3537     int x = event.GetX();
3538     int y = event.GetY();
3539     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
3540     wxDataViewColumn *col = NULL;
3541
3542     int xpos = 0;
3543     unsigned int cols = GetOwner()->GetColumnCount();
3544     unsigned int i;
3545     for (i = 0; i < cols; i++)
3546     {
3547         wxDataViewColumn *c = GetOwner()->GetColumnAt( i );
3548         if (c->IsHidden())
3549             continue;      // skip it!
3550
3551         if (x < xpos + c->GetWidth())
3552         {
3553             col = c;
3554             break;
3555         }
3556         xpos += c->GetWidth();
3557     }
3558     if (!col)
3559         return;
3560
3561     wxDataViewRenderer *cell = col->GetRenderer();
3562     unsigned int current = GetLineAt( y );
3563     if ((current >= GetRowCount()) || (x > GetEndOfLastCol()))
3564     {
3565         // Unselect all if below the last row ?
3566         return;
3567     }
3568
3569     // Test whether the mouse is hovered on the tree item button
3570     bool hoverOverExpander = false;
3571     if ((!IsVirtualList()) && (GetOwner()->GetExpanderColumn() == col))
3572     {
3573         wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3574         if( node!=NULL && node->HasChildren() )
3575         {
3576             int indent = node->GetIndentLevel();
3577             indent = GetOwner()->GetIndent()*indent;
3578
3579             // we make the rectangle we are looking in a bit bigger than the actual
3580             // visual expander so the user can hit that little thing reliably
3581             wxRect rect( xpos + indent,
3582                         GetLineStart( current ) + (GetLineHeight(current) - m_lineHeight)/2,
3583                         m_lineHeight, m_lineHeight);
3584             if( rect.Contains(x, y) )
3585             {
3586                 // So the mouse is over the expander
3587                 hoverOverExpander = true;
3588                 if (m_underMouse && m_underMouse != node)
3589                 {
3590                     // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3591                     RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3592                 }
3593                 if (m_underMouse != node)
3594                 {
3595                     // wxLogMessage("Do the row: %d", current);
3596                     RefreshRow(current);
3597                 }
3598                 m_underMouse = node;
3599             }
3600         }
3601         if (node!=NULL && !node->HasChildren())
3602             delete node;
3603     }
3604     if (!hoverOverExpander)
3605     {
3606         if (m_underMouse != NULL)
3607         {
3608             // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3609             RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3610             m_underMouse = NULL;
3611         }
3612     }
3613
3614     wxDataViewModel *model = GetOwner()->GetModel();
3615
3616 #if wxUSE_DRAG_AND_DROP
3617     if (event.Dragging())
3618     {
3619         if (m_dragCount == 0)
3620         {
3621             // we have to report the raw, physical coords as we want to be
3622             // able to call HitTest(event.m_pointDrag) from the user code to
3623             // get the item being dragged
3624             m_dragStart = event.GetPosition();
3625         }
3626
3627         m_dragCount++;
3628
3629         if (m_dragCount != 3)
3630             return;
3631
3632         if (event.LeftIsDown())
3633         {
3634             m_owner->CalcUnscrolledPosition( m_dragStart.x, m_dragStart.y,
3635                                              &m_dragStart.x, &m_dragStart.y );
3636             unsigned int drag_item_row = GetLineAt( m_dragStart.y );
3637             wxDataViewItem item = GetItemByRow( drag_item_row );
3638
3639             // Notify cell about drag
3640             wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() );
3641             event.SetEventObject( m_owner );
3642             event.SetItem( item );
3643             event.SetModel( model );
3644             if (!m_owner->HandleWindowEvent( event ))
3645                 return;
3646
3647             if (!event.IsAllowed())
3648                 return;
3649
3650             wxDataObject *obj = event.GetDataObject();
3651             if (!obj)
3652                 return;
3653
3654             wxDataViewDropSource drag( this, drag_item_row );
3655             drag.SetData( *obj );
3656             /* wxDragResult res = */ drag.DoDragDrop();
3657             delete obj;
3658         }
3659         return;
3660     }
3661     else
3662     {
3663         m_dragCount = 0;
3664     }
3665 #endif // wxUSE_DRAG_AND_DROP
3666
3667     bool simulateClick = false;
3668
3669     if (event.ButtonDClick())
3670     {
3671         m_renameTimer->Stop();
3672         m_lastOnSame = false;
3673     }
3674
3675     wxDataViewItem item = GetItemByRow(current);
3676     bool ignore_other_columns =
3677         ((GetOwner()->GetExpanderColumn() != col) &&
3678         (model->IsContainer(item)) &&
3679         (!model->HasContainerColumns(item)));
3680
3681     if (event.LeftDClick())
3682     {
3683         if(hoverOverExpander)
3684         {
3685             // a double click on the expander will be converted into a "simulated" normal click
3686             simulateClick = true;
3687         }
3688         else if ( current == m_lineLastClicked )
3689         {
3690             if ((!ignore_other_columns) && (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE))
3691             {
3692                 wxVariant value;
3693                 model->GetValue( value, item, col->GetModelColumn() );
3694                 cell->SetValue( value );
3695                 wxRect cell_rect( xpos, GetLineStart( current ),
3696                                 col->GetWidth(), GetLineHeight( current ) );
3697                 cell->Activate( cell_rect, model, item, col->GetModelColumn() );
3698             }
3699             else
3700             {
3701                 wxWindow *parent = GetParent();
3702                 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
3703                 le.SetItem( item );
3704                 le.SetEventObject(parent);
3705                 le.SetModel(GetOwner()->GetModel());
3706
3707                 parent->GetEventHandler()->ProcessEvent(le);
3708             }
3709             return;
3710         }
3711         else
3712         {
3713             // The first click was on another item, so don't interpret this as
3714             // a double click, but as a simple click instead
3715             simulateClick = true;
3716         }
3717     }
3718
3719     if (event.LeftUp() && !hoverOverExpander)
3720     {
3721         if (m_lineSelectSingleOnUp != (unsigned int)-1)
3722         {
3723             // select single line
3724             SelectAllRows( false );
3725             SelectRow( m_lineSelectSingleOnUp, true );
3726             SendSelectionChangedEvent( GetItemByRow(m_lineSelectSingleOnUp) );
3727         }
3728
3729         // If the user click the expander, we do not do editing even if the column
3730         // with expander are editable
3731         if (m_lastOnSame && !ignore_other_columns)
3732         {
3733             if ((col == m_currentCol) && (current == m_currentRow) &&
3734                 (cell->GetMode() & wxDATAVIEW_CELL_EDITABLE) )
3735             {
3736                 m_renameTimer->Start( 100, true );
3737             }
3738         }
3739
3740         m_lastOnSame = false;
3741         m_lineSelectSingleOnUp = (unsigned int)-1;
3742     }
3743     else if(!event.LeftUp())
3744     {
3745         // This is necessary, because after a DnD operation in
3746         // from and to ourself, the up event is swallowed by the
3747         // DnD code. So on next non-up event (which means here and
3748         // now) m_lineSelectSingleOnUp should be reset.
3749         m_lineSelectSingleOnUp = (unsigned int)-1;
3750     }
3751
3752     if (event.RightDown())
3753     {
3754         m_lineBeforeLastClicked = m_lineLastClicked;
3755         m_lineLastClicked = current;
3756
3757         // If the item is already selected, do not update the selection.
3758         // Multi-selections should not be cleared if a selected item is clicked.
3759         if (!IsRowSelected(current))
3760         {
3761             SelectAllRows(false);
3762             ChangeCurrentRow(current);
3763             SelectRow(m_currentRow,true);
3764             SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3765         }
3766     }
3767     else if (event.RightUp())
3768     {
3769         wxVariant value;
3770         model->GetValue( value, item, col->GetModelColumn() );
3771         wxWindow *parent = GetParent();
3772         wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, parent->GetId());
3773         le.SetItem( item );
3774         le.SetEventObject(parent);
3775         le.SetModel(GetOwner()->GetModel());
3776         le.SetValue(value);
3777         parent->GetEventHandler()->ProcessEvent(le);
3778     }
3779     else if (event.MiddleDown())
3780     {
3781     }
3782
3783     if((event.LeftDown() || simulateClick) && hoverOverExpander)
3784     {
3785         wxDataViewTreeNode* node = GetTreeNodeByRow(current);
3786
3787         // hoverOverExpander being true tells us that our node must be
3788         // valid and have children.
3789         // So we don't need any extra checks.
3790         if( node->IsOpen() )
3791             Collapse(current);
3792         else
3793             Expand(current);
3794     }
3795     else if ((event.LeftDown() || simulateClick) && !hoverOverExpander)
3796     {
3797         SetFocus();
3798
3799         m_lineBeforeLastClicked = m_lineLastClicked;
3800         m_lineLastClicked = current;
3801
3802         unsigned int oldCurrentRow = m_currentRow;
3803         bool oldWasSelected = IsRowSelected(m_currentRow);
3804
3805         bool cmdModifierDown = event.CmdDown();
3806         if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
3807         {
3808             if ( IsSingleSel() || !IsRowSelected(current) )
3809             {
3810                 SelectAllRows( false );
3811                 ChangeCurrentRow(current);
3812                 SelectRow(m_currentRow,true);
3813                 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3814             }
3815             else // multi sel & current is highlighted & no mod keys
3816             {
3817                 m_lineSelectSingleOnUp = current;
3818                 ChangeCurrentRow(current); // change focus
3819             }
3820         }
3821         else // multi sel & either ctrl or shift is down
3822         {
3823             if (cmdModifierDown)
3824             {
3825                 ChangeCurrentRow(current);
3826                 ReverseRowSelection(m_currentRow);
3827                 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3828             }
3829             else if (event.ShiftDown())
3830             {
3831                 ChangeCurrentRow(current);
3832
3833                 unsigned int lineFrom = oldCurrentRow,
3834                     lineTo = current;
3835
3836                 if ( lineTo < lineFrom )
3837                 {
3838                     lineTo = lineFrom;
3839                     lineFrom = m_currentRow;
3840                 }
3841
3842                 SelectRows(lineFrom, lineTo, true);
3843                 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3844             }
3845             else // !ctrl, !shift
3846             {
3847                 // test in the enclosing if should make it impossible
3848                 wxFAIL_MSG( wxT("how did we get here?") );
3849             }
3850         }
3851
3852         if (m_currentRow != oldCurrentRow)
3853             RefreshRow( oldCurrentRow );
3854
3855         wxDataViewColumn *oldCurrentCol = m_currentCol;
3856
3857         // Update selection here...
3858         m_currentCol = col;
3859
3860         m_lastOnSame = !simulateClick && ((col == oldCurrentCol) &&
3861                         (current == oldCurrentRow)) && oldWasSelected;
3862
3863         // Call LeftClick after everything else as under GTK+
3864         if (cell->GetMode() & wxDATAVIEW_CELL_ACTIVATABLE)
3865         {
3866             // notify cell about right click
3867             wxVariant value;
3868             model->GetValue( value, item, col->GetModelColumn() );
3869             cell->SetValue( value );
3870             wxRect cell_rect( xpos, GetLineStart( current ),
3871                               col->GetWidth(), GetLineHeight( current ) );
3872              /* ignore ret */ cell->LeftClick( event.GetPosition(), cell_rect,
3873                               model, item, col->GetModelColumn());
3874         }
3875     }
3876 }
3877
3878 void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
3879 {
3880     m_hasFocus = true;
3881
3882     if (HasCurrentRow())
3883         Refresh();
3884
3885     event.Skip();
3886 }
3887
3888 void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event )
3889 {
3890     m_hasFocus = false;
3891
3892     if (HasCurrentRow())
3893         Refresh();
3894
3895     event.Skip();
3896 }
3897
3898 wxDataViewItem wxDataViewMainWindow::GetSelection() const
3899 {
3900     if( m_selection.GetCount() != 1 )
3901         return wxDataViewItem();
3902
3903     return GetItemByRow( m_selection.Item(0));
3904 }
3905
3906 //-----------------------------------------------------------------------------
3907 // wxDataViewCtrl
3908 //-----------------------------------------------------------------------------
3909
3910 WX_DEFINE_LIST(wxDataViewColumnList)
3911
3912 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
3913 BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
3914     EVT_SIZE(wxDataViewCtrl::OnSize)
3915 END_EVENT_TABLE()
3916
3917 wxDataViewCtrl::~wxDataViewCtrl()
3918 {
3919     if (m_notifier)
3920         GetModel()->RemoveNotifier( m_notifier );
3921
3922     m_cols.Clear();
3923 }
3924
3925 void wxDataViewCtrl::Init()
3926 {
3927     m_cols.DeleteContents(true);
3928     m_notifier = NULL;
3929
3930     // No sorting column at start
3931     m_sortingColumnIdx = wxNOT_FOUND;
3932
3933     m_headerArea = NULL;
3934 }
3935
3936 bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
3937                             const wxPoint& pos, const wxSize& size,
3938                             long style, const wxValidator& validator )
3939 {
3940 //    if ( (style & wxBORDER_MASK) == 0)
3941 //        style |= wxBORDER_SUNKEN;
3942
3943     Init();
3944
3945     if (!wxControl::Create( parent, id, pos, size,
3946                             style | wxScrolledWindowStyle, validator))
3947         return false;
3948
3949     SetInitialSize(size);
3950
3951 #ifdef __WXMAC__
3952     MacSetClipChildren( true );
3953 #endif
3954
3955     m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
3956
3957     if (HasFlag(wxDV_NO_HEADER))
3958         m_headerArea = NULL;
3959     else
3960         m_headerArea = new wxDataViewHeaderWindow(this);
3961
3962     SetTargetWindow( m_clientArea );
3963
3964     wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
3965     if (m_headerArea)
3966         sizer->Add( m_headerArea, 0, wxGROW );
3967     sizer->Add( m_clientArea, 1, wxGROW );
3968     SetSizer( sizer );
3969
3970     return true;
3971 }
3972
3973 wxBorder wxDataViewCtrl::GetDefaultBorder() const
3974 {
3975     return wxBORDER_THEME;
3976 }
3977
3978 #ifdef __WXMSW__
3979 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
3980                                         WXWPARAM wParam,
3981                                         WXLPARAM lParam)
3982 {
3983     WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
3984
3985 #ifndef __WXWINCE__
3986     // we need to process arrows ourselves for scrolling
3987     if ( nMsg == WM_GETDLGCODE )
3988     {
3989         rc |= DLGC_WANTARROWS;
3990     }
3991 #endif
3992
3993     return rc;
3994 }
3995 #endif
3996
3997 wxSize wxDataViewCtrl::GetSizeAvailableForScrollTarget(const wxSize& size)
3998 {
3999     wxSize newsize = size;
4000     if (!HasFlag(wxDV_NO_HEADER) && (m_headerArea))
4001     newsize.y -= m_headerArea->GetSize().y;
4002
4003     return newsize;
4004 }
4005
4006 void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) )
4007 {
4008     // We need to override OnSize so that our scrolled
4009     // window a) does call Layout() to use sizers for
4010     // positioning the controls but b) does not query
4011     // the sizer for their size and use that for setting
4012     // the scrollable area as set that ourselves by
4013     // calling SetScrollbar() further down.
4014
4015     Layout();
4016
4017     AdjustScrollbars();
4018 }
4019
4020 void wxDataViewCtrl::SetFocus()
4021 {
4022     if (m_clientArea)
4023         m_clientArea->SetFocus();
4024 }
4025
4026 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
4027 {
4028     if (!wxDataViewCtrlBase::AssociateModel( model ))
4029         return false;
4030
4031     m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
4032
4033     model->AddNotifier( m_notifier );
4034
4035     m_clientArea->DestroyTree();
4036
4037     m_clientArea->BuildTree(model);
4038
4039     m_clientArea->UpdateDisplay();
4040
4041     return true;
4042 }
4043
4044 #if wxUSE_DRAG_AND_DROP
4045
4046 bool wxDataViewCtrl::EnableDragSource( const wxDataFormat &format )
4047 {
4048     return m_clientArea->EnableDragSource( format );
4049 }
4050
4051 bool wxDataViewCtrl::EnableDropTarget( const wxDataFormat &format )
4052 {
4053     return m_clientArea->EnableDropTarget( format );
4054 }
4055
4056 #endif // wxUSE_DRAG_AND_DROP
4057
4058 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
4059 {
4060     if (!wxDataViewCtrlBase::AppendColumn(col))
4061         return false;
4062
4063     m_cols.Append( col );
4064     OnColumnsCountChanged();
4065     return true;
4066 }
4067
4068 bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
4069 {
4070     if (!wxDataViewCtrlBase::PrependColumn(col))
4071         return false;
4072
4073     m_cols.Insert( col );
4074     OnColumnsCountChanged();
4075     return true;
4076 }
4077
4078 bool wxDataViewCtrl::InsertColumn( unsigned int pos, wxDataViewColumn *col )
4079 {
4080     if (!wxDataViewCtrlBase::InsertColumn(pos,col))
4081         return false;
4082
4083     m_cols.Insert( pos, col );
4084     OnColumnsCountChanged();
4085     return true;
4086 }
4087
4088 void wxDataViewCtrl::OnColumnChange(unsigned int idx)
4089 {
4090     if ( m_headerArea )
4091         m_headerArea->UpdateColumn(idx);
4092
4093     m_clientArea->UpdateDisplay();
4094 }
4095
4096 void wxDataViewCtrl::OnColumnsCountChanged()
4097 {
4098     if (m_headerArea)
4099         m_headerArea->SetColumnCount(GetColumnCount());
4100
4101     m_clientArea->UpdateDisplay();
4102 }
4103
4104 void wxDataViewCtrl::DoSetExpanderColumn()
4105 {
4106     m_clientArea->UpdateDisplay();
4107 }
4108
4109 void wxDataViewCtrl::DoSetIndent()
4110 {
4111     m_clientArea->UpdateDisplay();
4112 }
4113
4114 unsigned int wxDataViewCtrl::GetColumnCount() const
4115 {
4116     return m_cols.GetCount();
4117 }
4118
4119 wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int idx ) const
4120 {
4121     return m_cols[idx];
4122 }
4123
4124 wxDataViewColumn *wxDataViewCtrl::GetColumnAt(unsigned int pos) const
4125 {
4126     // columns can't be reordered if there is no header window which allows
4127     // to do this
4128     const unsigned idx = m_headerArea ? m_headerArea->GetColumnsOrder()[pos]
4129                                     : pos;
4130
4131     return GetColumn(idx);
4132 }
4133
4134 int wxDataViewCtrl::GetColumnIndex(const wxDataViewColumn *column) const
4135 {
4136     const unsigned count = m_cols.size();
4137     for ( unsigned n = 0; n < count; n++ )
4138     {
4139         if ( m_cols[n] == column )
4140             return n;
4141     }
4142
4143     return wxNOT_FOUND;
4144 }
4145
4146 void wxDataViewCtrl::ColumnMoved(wxDataViewColumn * WXUNUSED(col),
4147                                 unsigned int WXUNUSED(new_pos))
4148 {
4149     // do _not_ reorder m_cols elements here, they should always be in the
4150     // order in which columns were added, we only display the columns in
4151     // different order
4152     m_clientArea->UpdateDisplay();
4153 }
4154
4155 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
4156 {
4157     wxDataViewColumnList::compatibility_iterator ret = m_cols.Find( column );
4158     if (!ret)
4159         return false;
4160
4161     m_cols.Erase(ret);
4162     OnColumnsCountChanged();
4163
4164     return true;
4165 }
4166
4167 bool wxDataViewCtrl::ClearColumns()
4168 {
4169     m_cols.Clear();
4170     OnColumnsCountChanged();
4171     return true;
4172 }
4173
4174 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
4175 {
4176     int ret = 0,
4177         dummy = 0;
4178     unsigned int len = GetColumnCount();
4179     for ( unsigned int i = 0; i < len; i++ )
4180     {
4181         wxDataViewColumn * col = GetColumnAt(i);
4182         if (col->IsHidden())
4183             continue;
4184         ret += col->GetWidth();
4185         if (column==col)
4186         {
4187             CalcScrolledPosition( ret, dummy, &ret, &dummy );
4188             break;
4189         }
4190     }
4191     return ret;
4192 }
4193
4194 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
4195 {
4196     return m_sortingColumnIdx == wxNOT_FOUND ? NULL
4197                                             : GetColumn(m_sortingColumnIdx);
4198 }
4199
4200 // Selection code with wxDataViewItem as parameters
4201 wxDataViewItem wxDataViewCtrl::GetSelection() const
4202 {
4203     return m_clientArea->GetSelection();
4204 }
4205
4206 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
4207 {
4208     sel.Empty();
4209     wxDataViewSelection selection = m_clientArea->GetSelections();
4210     int len = selection.GetCount();
4211     for( int i = 0; i < len; i ++)
4212     {
4213         unsigned int row = selection[i];
4214         sel.Add( m_clientArea->GetItemByRow( row ) );
4215     }
4216     return len;
4217 }
4218
4219 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
4220 {
4221     wxDataViewSelection selection(wxDataViewSelectionCmp);
4222
4223     wxDataViewItem last_parent;
4224
4225     int len = sel.GetCount();
4226     for( int i = 0; i < len; i ++ )
4227     {
4228         wxDataViewItem item = sel[i];
4229         wxDataViewItem parent = GetModel()->GetParent( item );
4230         if (parent)
4231         {
4232             if (parent != last_parent)
4233                 ExpandAncestors(item);
4234         }
4235
4236         last_parent = parent;
4237         int row = m_clientArea->GetRowByItem( item );
4238         if( row >= 0 )
4239             selection.Add( static_cast<unsigned int>(row) );
4240     }
4241
4242     m_clientArea->SetSelections( selection );
4243 }
4244
4245 void wxDataViewCtrl::Select( const wxDataViewItem & item )
4246 {
4247     ExpandAncestors( item );
4248
4249     int row = m_clientArea->GetRowByItem( item );
4250     if( row >= 0 )
4251     {
4252         // Unselect all rows before select another in the single select mode
4253         if (m_clientArea->IsSingleSel())
4254             m_clientArea->SelectAllRows(false);
4255         m_clientArea->SelectRow(row, true);
4256     }
4257 }
4258
4259 void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
4260 {
4261     int row = m_clientArea->GetRowByItem( item );
4262     if( row >= 0 )
4263         m_clientArea->SelectRow(row, false);
4264 }
4265
4266 bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
4267 {
4268     int row = m_clientArea->GetRowByItem( item );
4269     if( row >= 0 )
4270     {
4271         return m_clientArea->IsRowSelected(row);
4272     }
4273     return false;
4274 }
4275
4276 // Selection code with row number as parameter
4277 int wxDataViewCtrl::GetSelections( wxArrayInt & sel ) const
4278 {
4279     sel.Empty();
4280     wxDataViewSelection selection = m_clientArea->GetSelections();
4281     int len = selection.GetCount();
4282     for( int i = 0; i < len; i ++)
4283     {
4284         unsigned int row = selection[i];
4285         sel.Add( row );
4286     }
4287     return len;
4288 }
4289
4290 void wxDataViewCtrl::SetSelections( const wxArrayInt & sel )
4291 {
4292     wxDataViewSelection selection(wxDataViewSelectionCmp);
4293     int len = sel.GetCount();
4294     for( int i = 0; i < len; i ++ )
4295     {
4296         int row = sel[i];
4297         if( row >= 0 )
4298             selection.Add( static_cast<unsigned int>(row) );
4299     }
4300     m_clientArea->SetSelections( selection );
4301 }
4302
4303 void wxDataViewCtrl::Select( int row )
4304 {
4305     if( row >= 0 )
4306     {
4307         if (m_clientArea->IsSingleSel())
4308             m_clientArea->SelectAllRows(false);
4309         m_clientArea->SelectRow( row, true );
4310     }
4311 }
4312
4313 void wxDataViewCtrl::Unselect( int row )
4314 {
4315     if( row >= 0 )
4316         m_clientArea->SelectRow(row, false);
4317 }
4318
4319 bool wxDataViewCtrl::IsSelected( int row ) const
4320 {
4321     if( row >= 0 )
4322         return m_clientArea->IsRowSelected(row);
4323     return false;
4324 }
4325
4326 void wxDataViewCtrl::SelectRange( int from, int to )
4327 {
4328     wxArrayInt sel;
4329     for( int i = from; i < to; i ++ )
4330         sel.Add( i );
4331     m_clientArea->Select(sel);
4332 }
4333
4334 void wxDataViewCtrl::UnselectRange( int from, int to )
4335 {
4336     wxDataViewSelection sel = m_clientArea->GetSelections();
4337     for( int i = from; i < to; i ++ )
4338         if( sel.Index( i ) != wxNOT_FOUND )
4339             sel.Remove( i );
4340     m_clientArea->SetSelections(sel);
4341 }
4342
4343 void wxDataViewCtrl::SelectAll()
4344 {
4345     m_clientArea->SelectAllRows(true);
4346 }
4347
4348 void wxDataViewCtrl::UnselectAll()
4349 {
4350     m_clientArea->SelectAllRows(false);
4351 }
4352
4353 void wxDataViewCtrl::EnsureVisible( int row, int column )
4354 {
4355     if( row < 0 )
4356         row = 0;
4357     if( row > (int) m_clientArea->GetRowCount() )
4358         row = m_clientArea->GetRowCount();
4359
4360     int first = m_clientArea->GetFirstVisibleRow();
4361     int last = m_clientArea->GetLastVisibleRow();
4362     if( row < first )
4363         m_clientArea->ScrollTo( row, column );
4364     else if( row > last )
4365         m_clientArea->ScrollTo( row - last + first, column );
4366     else
4367         m_clientArea->ScrollTo( first, column );
4368 }
4369
4370 void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
4371 {
4372     ExpandAncestors( item );
4373
4374     m_clientArea->RecalculateDisplay();
4375
4376     int row = m_clientArea->GetRowByItem(item);
4377     if( row >= 0 )
4378     {
4379         if( column == NULL )
4380             EnsureVisible(row, -1);
4381         else
4382             EnsureVisible( row, GetColumnIndex(column) );
4383     }
4384
4385 }
4386
4387 void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item,
4388                               wxDataViewColumn* &column ) const
4389 {
4390     m_clientArea->HitTest(point, item, column);
4391 }
4392
4393 wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item,
4394                                     const wxDataViewColumn* column ) const
4395 {
4396     return m_clientArea->GetItemRect(item, column);
4397 }
4398
4399 wxDataViewItem wxDataViewCtrl::GetItemByRow( unsigned int row ) const
4400 {
4401     return m_clientArea->GetItemByRow( row );
4402 }
4403
4404 int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const
4405 {
4406     return m_clientArea->GetRowByItem( item );
4407 }
4408
4409 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
4410 {
4411     int row = m_clientArea->GetRowByItem( item );
4412     if (row != -1)
4413         m_clientArea->Expand(row);
4414 }
4415
4416 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
4417 {
4418     int row = m_clientArea->GetRowByItem( item );
4419     if (row != -1)
4420         m_clientArea->Collapse(row);
4421 }
4422
4423 bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
4424 {
4425     int row = m_clientArea->GetRowByItem( item );
4426     if (row != -1)
4427         return m_clientArea->IsExpanded(row);
4428     return false;
4429 }
4430
4431 void wxDataViewCtrl::StartEditor( const wxDataViewItem & item, unsigned int column )
4432 {
4433     wxDataViewColumn* col = GetColumn( column );
4434     if (!col)
4435         return;
4436
4437     wxRect itemRect = GetItemRect(item, col);
4438     wxDataViewRenderer* renderer = col->GetRenderer();
4439     renderer->StartEditing(item, itemRect);
4440 }
4441
4442 #endif // !wxUSE_GENERICDATAVIEWCTRL
4443
4444 #endif // wxUSE_DATAVIEWCTRL