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