src/generic/datavgen.cpp

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