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