src/generic/datavgen.cpp

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