src/generic/datavgen.cpp

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