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 #endif
  38
  39 #include "wx/stockitem.h"
  40 #include "wx/calctrl.h"
  41 #include "wx/popupwin.h"
  42 #include "wx/renderer.h"
  43 #include "wx/dcbuffer.h"
  44 #include "wx/icon.h"
  45 #include "wx/list.h"
  46 #include "wx/listimpl.cpp"
  47 #include "wx/imaglist.h"
  48 #include "wx/headerctrl.h"
  49
  50 //-----------------------------------------------------------------------------
  51 // classes
  52 //-----------------------------------------------------------------------------
  53
  54 class wxDataViewCtrl;
  55
  56 static const int SCROLL_UNIT_X = 15;
  57
  58 // the cell padding on the left/right
  59 static const int PADDING_RIGHTLEFT = 3;
  60
  61 // the expander space margin
  62 static const int EXPANDER_MARGIN = 4;
  63
  64 #ifdef __WXMSW__
  65 static const int EXPANDER_OFFSET = 4;
  66 #else
  67 static const int EXPANDER_OFFSET = 1;
  68 #endif
  69
  70 //Below is the compare stuff
  71 //For the generic implements, both the leaf nodes and the nodes are sorted for fast search when needed
  72 static wxDataViewModel * g_model;
  73 static int g_column = -2;
  74 static bool g_asending = true;
  75
  76 //-----------------------------------------------------------------------------
  77 // wxDataViewHeaderWindow
  78 //-----------------------------------------------------------------------------
  79
  80 class wxDataViewHeaderWindow : public wxHeaderCtrl
  81 {
  82 public:
  83     wxDataViewHeaderWindow(wxDataViewCtrl *parent)
  84         : wxHeaderCtrl(parent)
  85     {
  86     }
  87
  88     wxDataViewCtrl *GetOwner() const
  89         { return static_cast<wxDataViewCtrl *>(GetParent()); }
  90
  91 protected:
  92     // implement/override wxHeaderCtrl functions by forwarding them to the main
  93     // control
  94     virtual wxHeaderColumnBase& GetColumn(unsigned int idx)
  95     {
  96         return *(GetOwner()->GetColumn(idx));
  97     }
  98
  99     virtual bool UpdateColumnWidthToFit(unsigned int idx, int widthTitle)
 100     {
 101         wxDataViewCtrl * const owner = GetOwner();
 102
 103         int widthContents = owner->GetBestColumnWidth(idx);
 104         owner->GetColumn(idx)->SetWidth(wxMax(widthTitle, widthContents));
 105         owner->OnColumnChange(idx);
 106
 107         return true;
 108     }
 109
 110 private:
 111     bool SendEvent(wxEventType type, unsigned int n)
 112     {
 113         wxDataViewCtrl * const owner = GetOwner();
 114         wxDataViewEvent event(type, owner->GetId());
 115
 116         event.SetEventObject(owner);
 117         event.SetColumn(n);
 118         event.SetDataViewColumn(owner->GetColumn(n));
 119         event.SetModel(owner->GetModel());
 120
 121         // for events created by wxDataViewHeaderWindow the
 122         // row / value fields are not valid
 123         return owner->GetEventHandler()->ProcessEvent(event);
 124     }
 125
 126     void OnClick(wxHeaderCtrlEvent& event)
 127     {
 128         if ( !SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK,
 129                         event.GetColumn()) )
 130             event.Skip();
 131     }
 132
 133     void OnRClick(wxHeaderCtrlEvent& event)
 134     {
 135         if ( !SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK,
 136                         event.GetColumn()) )
 137             event.Skip();
 138     }
 139
 140     void OnBeginDrag(wxHeaderCtrlEvent& event)
 141     {
 142         if ( !GetColumn(event.GetColumn()).IsResizeable() )
 143             event.Veto();
 144     }
 145
 146     void OnDragging(wxHeaderCtrlEvent& event)
 147     {
 148         const wxHeaderColumnBase& col = GetColumn(event.GetColumn());
 149
 150         const int minWidth = col.GetMinWidth();
 151         if ( event.GetWidth() < minWidth )
 152             event.Veto();
 153     }
 154
 155     void OnEndDrag(wxHeaderCtrlEvent& event)
 156     {
 157         const unsigned col = event.GetColumn();
 158         GetColumn(col).SetWidth(event.GetWidth());
 159         GetOwner()->OnColumnChange(col);
 160     }
 161
 162     DECLARE_EVENT_TABLE()
 163     DECLARE_NO_COPY_CLASS(wxDataViewHeaderWindow)
 164 };
 165
 166 BEGIN_EVENT_TABLE(wxDataViewHeaderWindow, wxHeaderCtrl)
 167     EVT_HEADER_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnClick)
 168     EVT_HEADER_RIGHT_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnRClick)
 169
 170     EVT_HEADER_BEGIN_DRAG(wxID_ANY, wxDataViewHeaderWindow::OnBeginDrag)
 171     EVT_HEADER_DRAGGING(wxID_ANY, wxDataViewHeaderWindow::OnDragging)
 172     EVT_HEADER_END_DRAG(wxID_ANY, wxDataViewHeaderWindow::OnEndDrag)
 173 END_EVENT_TABLE()
 174
 175 //-----------------------------------------------------------------------------
 176 // wxDataViewRenameTimer
 177 //-----------------------------------------------------------------------------
 178
 179 class wxDataViewRenameTimer: public wxTimer
 180 {
 181 private:
 182     wxDataViewMainWindow *m_owner;
 183
 184 public:
 185     wxDataViewRenameTimer( wxDataViewMainWindow *owner );
 186     void Notify();
 187 };
 188
 189 //-----------------------------------------------------------------------------
 190 // wxDataViewTreeNode
 191 //-----------------------------------------------------------------------------
 192 class wxDataViewTreeNode;
 193 WX_DEFINE_ARRAY( wxDataViewTreeNode *, wxDataViewTreeNodes );
 194 WX_DEFINE_ARRAY( void* , wxDataViewTreeLeaves);
 195
 196 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1, wxDataViewTreeNode ** node2);
 197 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2);
 198
 199 class wxDataViewTreeNode
 200 {
 201 public:
 202     wxDataViewTreeNode( wxDataViewTreeNode * parent = NULL )
 203     {
 204         m_parent = parent;
 205         if (!parent)
 206             m_open = true;
 207         else
 208             m_open = false;
 209         m_hasChildren = false;
 210         m_subTreeCount  = 0;
 211     }
 212
 213     ~wxDataViewTreeNode()
 214     {
 215     }
 216
 217     wxDataViewTreeNode * GetParent() const { return m_parent; }
 218     void SetParent( wxDataViewTreeNode * parent ) { m_parent = parent; }
 219     wxDataViewTreeNodes &  GetNodes() { return m_nodes; }
 220     wxDataViewTreeLeaves & GetChildren() { return m_leaves; }
 221
 222     void AddNode( wxDataViewTreeNode * node )
 223     {
 224         m_leaves.Add( node->GetItem().GetID() );
 225         if (g_column >= -1)
 226             m_leaves.Sort( &wxGenericTreeModelItemCmp );
 227         m_nodes.Add( node );
 228         if (g_column >= -1)
 229             m_nodes.Sort( &wxGenericTreeModelNodeCmp );
 230     }
 231     void AddLeaf( void * leaf )
 232     {
 233         m_leaves.Add( leaf );
 234         if (g_column >= -1)
 235             m_leaves.Sort( &wxGenericTreeModelItemCmp );
 236     }
 237
 238     wxDataViewItem & GetItem() { return m_item; }
 239     const wxDataViewItem & GetItem() const { return m_item; }
 240     void SetItem( const wxDataViewItem & item ) { m_item = item; }
 241
 242     unsigned int GetChildrenNumber() const { return m_leaves.GetCount(); }
 243     unsigned int GetNodeNumber() const { return m_nodes.GetCount(); }
 244     int GetIndentLevel() const
 245     {
 246         int ret = 0;
 247         const wxDataViewTreeNode * node = this;
 248         while( node->GetParent()->GetParent() != NULL )
 249         {
 250             node = node->GetParent();
 251             ret ++;
 252         }
 253         return ret;
 254     }
 255
 256     bool IsOpen() const
 257     {
 258         return m_open;
 259     }
 260
 261     void ToggleOpen()
 262     {
 263         int len = m_nodes.GetCount();
 264         int sum = 0;
 265         for ( int i = 0;i < len; i ++)
 266             sum += m_nodes[i]->GetSubTreeCount();
 267
 268         sum += m_leaves.GetCount();
 269         if (m_open)
 270         {
 271             ChangeSubTreeCount(-sum);
 272             m_open = !m_open;
 273         }
 274         else
 275         {
 276             m_open = !m_open;
 277             ChangeSubTreeCount(sum);
 278         }
 279     }
 280     bool HasChildren() const { return m_hasChildren; }
 281     void SetHasChildren( bool has ){ m_hasChildren = has; }
 282
 283     void SetSubTreeCount( int num ) { m_subTreeCount = num; }
 284     int GetSubTreeCount() const { return m_subTreeCount; }
 285     void ChangeSubTreeCount( int num )
 286     {
 287         if( !m_open )
 288             return;
 289         m_subTreeCount += num;
 290         if( m_parent )
 291             m_parent->ChangeSubTreeCount(num);
 292     }
 293
 294     void Resort()
 295     {
 296         if (g_column >= -1)
 297         {
 298             m_nodes.Sort( &wxGenericTreeModelNodeCmp );
 299             int len = m_nodes.GetCount();
 300             for (int i = 0; i < len; i ++)
 301                 m_nodes[i]->Resort();
 302             m_leaves.Sort( &wxGenericTreeModelItemCmp );
 303         }
 304     }
 305
 306 private:
 307     wxDataViewTreeNode  *m_parent;
 308     wxDataViewTreeNodes  m_nodes;
 309     wxDataViewTreeLeaves m_leaves;
 310     wxDataViewItem       m_item;
 311     bool                 m_open;
 312     bool                 m_hasChildren;
 313     int                  m_subTreeCount;
 314 };
 315
 316 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1, wxDataViewTreeNode ** node2)
 317 {
 318     return g_model->Compare( (*node1)->GetItem(), (*node2)->GetItem(), g_column, g_asending );
 319 }
 320
 321 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2)
 322 {
 323     return g_model->Compare( *id1, *id2, g_column, g_asending );
 324 }
 325
 326
 327
 328 //-----------------------------------------------------------------------------
 329 // wxDataViewMainWindow
 330 //-----------------------------------------------------------------------------
 331
 332 WX_DEFINE_SORTED_USER_EXPORTED_ARRAY_SIZE_T(unsigned int, wxDataViewSelection,
 333                                             WXDLLIMPEXP_ADV);
 334 WX_DECLARE_LIST(wxDataViewItem, ItemList);
 335 WX_DEFINE_LIST(ItemList)
 336
 337 class wxDataViewMainWindow: public wxWindow
 338 {
 339 public:
 340     wxDataViewMainWindow( wxDataViewCtrl *parent,
 341                             wxWindowID id,
 342                             const wxPoint &pos = wxDefaultPosition,
 343                             const wxSize &size = wxDefaultSize,
 344                             const wxString &name = wxT("wxdataviewctrlmainwindow") );
 345     virtual ~wxDataViewMainWindow();
 346
 347     bool IsVirtualList() const { return m_root == NULL; }
 348
 349     // notifications from wxDataViewModel
 350     bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
 351     bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
 352     bool ItemChanged( const wxDataViewItem &item );
 353     bool ValueChanged( const wxDataViewItem &item, unsigned int col );
 354     bool Cleared();
 355     void Resort()
 356     {
 357         if (!IsVirtualList())
 358         {
 359             SortPrepare();
 360             m_root->Resort();
 361         }
 362         UpdateDisplay();
 363     }
 364
 365     void SortPrepare()
 366     {
 367         g_model = GetOwner()->GetModel();
 368         wxDataViewColumn* col = GetOwner()->GetSortingColumn();
 369         if( !col )
 370         {
 371             if (g_model->HasDefaultCompare())
 372                 g_column = -1;
 373             else
 374                 g_column = -2;
 375
 376             g_asending = true;
 377             return;
 378         }
 379         g_column = col->GetModelColumn();
 380         g_asending = col->IsSortOrderAscending();
 381     }
 382
 383     void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
 384     wxDataViewCtrl *GetOwner() { return m_owner; }
 385     const wxDataViewCtrl *GetOwner() const { return m_owner; }
 386
 387     void OnPaint( wxPaintEvent &event );
 388     void OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event);
 389     void OnChar( wxKeyEvent &event );
 390     void OnMouse( wxMouseEvent &event );
 391     void OnSetFocus( wxFocusEvent &event );
 392     void OnKillFocus( wxFocusEvent &event );
 393
 394     void UpdateDisplay();
 395     void RecalculateDisplay();
 396     void OnInternalIdle();
 397
 398     void OnRenameTimer();
 399
 400     void ScrollWindow( int dx, int dy, const wxRect *rect = NULL );
 401     void ScrollTo( int rows, int column );
 402
 403     bool HasCurrentRow() { return m_currentRow != (unsigned int)-1; }
 404     void ChangeCurrentRow( unsigned int row );
 405
 406     bool IsSingleSel() const { return !GetParent()->HasFlag(wxDV_MULTIPLE); }
 407     bool IsEmpty() { return GetRowCount() == 0; }
 408
 409     int GetCountPerPage() const;
 410     int GetEndOfLastCol() const;
 411     unsigned int GetFirstVisibleRow() const;
 412     //I change this method to un const because in the tree view, the displaying number of the tree are changing along with the expanding/collapsing of the tree nodes
 413     unsigned int GetLastVisibleRow();
 414     unsigned int GetRowCount();
 415
 416     wxDataViewItem GetSelection() const;
 417     wxDataViewSelection GetSelections(){ return m_selection; }
 418     void SetSelections( const wxDataViewSelection & sel ) { m_selection = sel; UpdateDisplay(); }
 419     void Select( const wxArrayInt& aSelections );
 420     void SelectAllRows( bool on );
 421     void SelectRow( unsigned int row, bool on );
 422     void SelectRows( unsigned int from, unsigned int to, bool on );
 423     void ReverseRowSelection( unsigned int row );
 424     bool IsRowSelected( unsigned int row );
 425     void SendSelectionChangedEvent( const wxDataViewItem& item);
 426
 427     void RefreshRow( unsigned int row );
 428     void RefreshRows( unsigned int from, unsigned int to );
 429     void RefreshRowsAfter( unsigned int firstRow );
 430
 431     // returns the colour to be used for drawing the rules
 432     wxColour GetRuleColour() const
 433     {
 434         return wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
 435     }
 436
 437     wxRect GetLineRect( unsigned int row ) const;
 438
 439     int GetLineStart( unsigned int row ) const;  // row * m_lineHeight in fixed mode
 440     int GetLineHeight( unsigned int row ) const; // m_lineHeight in fixed mode
 441     int GetLineAt( unsigned int y ) const;       // y / m_lineHeight in fixed mode
 442
 443     //Some useful functions for row and item mapping
 444     wxDataViewItem GetItemByRow( unsigned int row ) const;
 445     int GetRowByItem( const wxDataViewItem & item ) const;
 446
 447     //Methods for building the mapping tree
 448     void BuildTree( wxDataViewModel  * model );
 449     void DestroyTree();
 450     void HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column );
 451     wxRect GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column );
 452
 453     void Expand( unsigned int row ) { OnExpanding( row ); }
 454     void Collapse( unsigned int row ) { OnCollapsing( row ); }
 455 private:
 456     wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row ) const;
 457     //We did not need this temporarily
 458     //wxDataViewTreeNode * GetTreeNodeByItem( const wxDataViewItem & item );
 459
 460     int RecalculateCount();
 461
 462     wxDataViewEvent SendExpanderEvent( wxEventType type, const wxDataViewItem & item );
 463     void OnExpanding( unsigned int row );
 464     void OnCollapsing( unsigned int row );
 465
 466     wxDataViewTreeNode * FindNode( const wxDataViewItem & item );
 467
 468 private:
 469     wxDataViewCtrl             *m_owner;
 470     int                         m_lineHeight;
 471     bool                        m_dirty;
 472
 473     wxDataViewColumn           *m_currentCol;
 474     unsigned int                m_currentRow;
 475     wxDataViewSelection         m_selection;
 476
 477     wxDataViewRenameTimer      *m_renameTimer;
 478     bool                        m_lastOnSame;
 479
 480     bool                        m_hasFocus;
 481
 482     int                         m_dragCount;
 483     wxPoint                     m_dragStart;
 484
 485     // for double click logic
 486     unsigned int m_lineLastClicked,
 487            m_lineBeforeLastClicked,
 488            m_lineSelectSingleOnUp;
 489
 490     // the pen used to draw horiz/vertical rules
 491     wxPen m_penRule;
 492
 493     // the pen used to draw the expander and the lines
 494     wxPen m_penExpander;
 495
 496     //This is the tree structure of the model
 497     wxDataViewTreeNode * m_root;
 498     int m_count;
 499     //This is the tree node under the cursor
 500     wxDataViewTreeNode * m_underMouse;
 501 private:
 502     DECLARE_DYNAMIC_CLASS(wxDataViewMainWindow)
 503     DECLARE_EVENT_TABLE()
 504 };
 505
 506 // ---------------------------------------------------------
 507 // wxGenericDataViewModelNotifier
 508 // ---------------------------------------------------------
 509
 510 class wxGenericDataViewModelNotifier: public wxDataViewModelNotifier
 511 {
 512 public:
 513     wxGenericDataViewModelNotifier( wxDataViewMainWindow *mainWindow )
 514         { m_mainWindow = mainWindow; }
 515
 516     virtual bool ItemAdded( const wxDataViewItem & parent, const wxDataViewItem & item )
 517         { return m_mainWindow->ItemAdded( parent , item ); }
 518     virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
 519         { return m_mainWindow->ItemDeleted( parent, item ); }
 520     virtual bool ItemChanged( const wxDataViewItem & item )
 521         { return m_mainWindow->ItemChanged(item);  }
 522     virtual bool ValueChanged( const wxDataViewItem & item , unsigned int col )
 523         { return m_mainWindow->ValueChanged( item, col ); }
 524     virtual bool Cleared()
 525         { return m_mainWindow->Cleared(); }
 526     virtual void Resort()
 527          { m_mainWindow->Resort(); }
 528
 529     wxDataViewMainWindow    *m_mainWindow;
 530 };
 531
 532 // ---------------------------------------------------------
 533 // wxDataViewRenderer
 534 // ---------------------------------------------------------
 535
 536 IMPLEMENT_ABSTRACT_CLASS(wxDataViewRenderer, wxDataViewRendererBase)
 537
 538 wxDataViewRenderer::wxDataViewRenderer( const wxString &varianttype,
 539                                         wxDataViewCellMode mode,
 540                                         int align) :
 541     wxDataViewRendererBase( varianttype, mode, align )
 542 {
 543     m_dc = NULL;
 544     m_align = align;
 545     m_mode = mode;
 546     m_wantsAttr = false;
 547     m_hasAttr = false;
 548 }
 549
 550 wxDataViewRenderer::~wxDataViewRenderer()
 551 {
 552     if (m_dc)
 553         delete m_dc;
 554 }
 555
 556 wxDC *wxDataViewRenderer::GetDC()
 557 {
 558     if (m_dc == NULL)
 559     {
 560         if (GetOwner() == NULL)
 561             return NULL;
 562         if (GetOwner()->GetOwner() == NULL)
 563             return NULL;
 564         m_dc = new wxClientDC( GetOwner()->GetOwner() );
 565     }
 566
 567     return m_dc;
 568 }
 569
 570 void wxDataViewRenderer::SetAlignment( int align )
 571 {
 572     m_align=align;
 573 }
 574
 575 int wxDataViewRenderer::GetAlignment() const
 576 {
 577     return m_align;
 578 }
 579
 580 int wxDataViewRenderer::CalculateAlignment() const
 581 {
 582     if (m_align == wxDVR_DEFAULT_ALIGNMENT)
 583     {
 584         if (GetOwner() == NULL)
 585            return wxALIGN_LEFT | wxALIGN_CENTRE_VERTICAL;
 586
 587         return GetOwner()->GetAlignment() | wxALIGN_CENTRE_VERTICAL;
 588     }
 589
 590     return m_align;
 591 }
 592
 593 // ---------------------------------------------------------
 594 // wxDataViewCustomRenderer
 595 // ---------------------------------------------------------
 596
 597 IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
 598
 599 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
 600                           wxDataViewCellMode mode, int align ) :
 601     wxDataViewRenderer( varianttype, mode, align )
 602 {
 603 }
 604
 605 void wxDataViewCustomRenderer::RenderText( const wxString &text, int xoffset, wxRect cell, wxDC *dc, int state )
 606 {
 607     wxDataViewCtrl *view = GetOwner()->GetOwner();
 608     wxColour col = (state & wxDATAVIEW_CELL_SELECTED) ?
 609                         wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) :
 610                         view->GetForegroundColour();
 611     dc->SetTextForeground(col);
 612     dc->DrawText( text, cell.x + xoffset, cell.y + ((cell.height - dc->GetCharHeight()) / 2));
 613 }
 614
 615 // ---------------------------------------------------------
 616 // wxDataViewTextRenderer
 617 // ---------------------------------------------------------
 618
 619 IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewCustomRenderer)
 620
 621 wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype,
 622                                                 wxDataViewCellMode mode, int align ) :
 623     wxDataViewCustomRenderer( varianttype, mode, align )
 624 {
 625 }
 626
 627 bool wxDataViewTextRenderer::SetValue( const wxVariant &value )
 628 {
 629     m_text = value.GetString();
 630
 631     return true;
 632 }
 633
 634 bool wxDataViewTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
 635 {
 636     return false;
 637 }
 638
 639 bool wxDataViewTextRenderer::HasEditorCtrl()
 640 {
 641     return true;
 642 }
 643
 644 wxControl* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent,
 645         wxRect labelRect, const wxVariant &value )
 646 {
 647     return new wxTextCtrl( parent, wxID_ANY, value,
 648                            wxPoint(labelRect.x,labelRect.y),
 649                            wxSize(labelRect.width,labelRect.height) );
 650 }
 651
 652 bool wxDataViewTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant &value )
 653 {
 654     wxTextCtrl *text = (wxTextCtrl*) editor;
 655     value = text->GetValue();
 656     return true;
 657 }
 658
 659 bool wxDataViewTextRenderer::Render( wxRect cell, wxDC *dc, int state )
 660 {
 661     RenderText( m_text, 0, cell, dc, state );
 662     return true;
 663 }
 664
 665 wxSize wxDataViewTextRenderer::GetSize() const
 666 {
 667     const wxDataViewCtrl *view = GetView();
 668     if (!m_text.empty())
 669     {
 670         int x,y;
 671         view->GetTextExtent( m_text, &x, &y );
 672         return wxSize( x, y );
 673     }
 674     return wxSize(80,20);
 675 }
 676
 677 // ---------------------------------------------------------
 678 // wxDataViewTextRendererAttr
 679 // ---------------------------------------------------------
 680
 681 IMPLEMENT_CLASS(wxDataViewTextRendererAttr, wxDataViewTextRenderer)
 682
 683 wxDataViewTextRendererAttr::wxDataViewTextRendererAttr( const wxString &varianttype,
 684                             wxDataViewCellMode mode, int align ) :
 685     wxDataViewTextRenderer( varianttype, mode, align )
 686 {
 687     m_wantsAttr = true;
 688 }
 689
 690 bool wxDataViewTextRendererAttr::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 691 {
 692     wxFont font;
 693     wxColour colour;
 694
 695     if (m_hasAttr)
 696     {
 697         if (m_attr.HasColour())
 698         {
 699             colour = dc->GetTextForeground();
 700             dc->SetTextForeground( m_attr.GetColour() );
 701         }
 702
 703         if (m_attr.GetBold() || m_attr.GetItalic())
 704         {
 705              font = dc->GetFont();
 706              wxFont myfont = font;
 707              if (m_attr.GetBold())
 708                  myfont.SetWeight( wxFONTWEIGHT_BOLD );
 709              if (m_attr.GetItalic())
 710                  myfont.SetStyle( wxFONTSTYLE_ITALIC );
 711              dc->SetFont( myfont );
 712         }
 713     }
 714
 715     dc->DrawText( m_text, cell.x, cell.y + ((cell.height - dc->GetCharHeight()) / 2));
 716
 717     // restore dc
 718     if (m_hasAttr)
 719     {
 720         if (m_attr.HasColour())
 721             dc->SetTextForeground( colour );
 722
 723         if (m_attr.GetBold() || m_attr.GetItalic())
 724             dc->SetFont( font );
 725     }
 726
 727     return true;
 728 }
 729
 730
 731 // ---------------------------------------------------------
 732 // wxDataViewBitmapRenderer
 733 // ---------------------------------------------------------
 734
 735 IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewCustomRenderer)
 736
 737 wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype,
 738                                                     wxDataViewCellMode mode, int align ) :
 739     wxDataViewCustomRenderer( varianttype, mode, align )
 740 {
 741 }
 742
 743 bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
 744 {
 745     if (value.GetType() == wxT("wxBitmap"))
 746         m_bitmap << value;
 747     if (value.GetType() == wxT("wxIcon"))
 748         m_icon << value;
 749
 750     return true;
 751 }
 752
 753 bool wxDataViewBitmapRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
 754 {
 755     return false;
 756 }
 757
 758 bool wxDataViewBitmapRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 759 {
 760     if (m_bitmap.Ok())
 761         dc->DrawBitmap( m_bitmap, cell.x, cell.y );
 762     else if (m_icon.Ok())
 763         dc->DrawIcon( m_icon, cell.x, cell.y );
 764
 765     return true;
 766 }
 767
 768 wxSize wxDataViewBitmapRenderer::GetSize() const
 769 {
 770     if (m_bitmap.Ok())
 771         return wxSize( m_bitmap.GetWidth(), m_bitmap.GetHeight() );
 772     else if (m_icon.Ok())
 773         return wxSize( m_icon.GetWidth(), m_icon.GetHeight() );
 774
 775     return wxSize(16,16);
 776 }
 777
 778 // ---------------------------------------------------------
 779 // wxDataViewToggleRenderer
 780 // ---------------------------------------------------------
 781
 782 IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleRenderer, wxDataViewCustomRenderer)
 783
 784 wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
 785                         wxDataViewCellMode mode, int align ) :
 786     wxDataViewCustomRenderer( varianttype, mode, align )
 787 {
 788     m_toggle = false;
 789 }
 790
 791 bool wxDataViewToggleRenderer::SetValue( const wxVariant &value )
 792 {
 793     m_toggle = value.GetBool();
 794
 795     return true;
 796 }
 797
 798 bool wxDataViewToggleRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
 799 {
 800     return false;
 801 }
 802
 803 bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 804 {
 805     // User wxRenderer here
 806
 807     wxRect rect;
 808     rect.x = cell.x + cell.width/2 - 10;
 809     rect.width = 20;
 810     rect.y = cell.y + cell.height/2 - 10;
 811     rect.height = 20;
 812
 813     int flags = 0;
 814     if (m_toggle)
 815         flags |= wxCONTROL_CHECKED;
 816     if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE)
 817         flags |= wxCONTROL_DISABLED;
 818
 819     wxRendererNative::Get().DrawCheckBox(
 820             GetOwner()->GetOwner(),
 821             *dc,
 822             rect,
 823             flags );
 824
 825     return true;
 826 }
 827
 828 bool wxDataViewToggleRenderer::Activate( wxRect WXUNUSED(cell),
 829                                          wxDataViewModel *model,
 830                                          const wxDataViewItem & item, unsigned int col)
 831 {
 832     bool value = !m_toggle;
 833     wxVariant variant = value;
 834     model->SetValue( variant, item, col);
 835     model->ValueChanged( item, col );
 836     return true;
 837 }
 838
 839 wxSize wxDataViewToggleRenderer::GetSize() const
 840 {
 841     return wxSize(20,20);
 842 }
 843
 844 // ---------------------------------------------------------
 845 // wxDataViewProgressRenderer
 846 // ---------------------------------------------------------
 847
 848 IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressRenderer, wxDataViewCustomRenderer)
 849
 850 wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
 851     const wxString &varianttype, wxDataViewCellMode mode, int align ) :
 852     wxDataViewCustomRenderer( varianttype, mode, align )
 853 {
 854     m_label = label;
 855     m_value = 0;
 856 }
 857
 858 wxDataViewProgressRenderer::~wxDataViewProgressRenderer()
 859 {
 860 }
 861
 862 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
 863 {
 864     m_value = (long) value;
 865
 866     if (m_value < 0) m_value = 0;
 867     if (m_value > 100) m_value = 100;
 868
 869     return true;
 870 }
 871
 872 bool wxDataViewProgressRenderer::GetValue( wxVariant &value ) const
 873 {
 874     value = (long) m_value;
 875     return true;
 876 }
 877
 878 bool wxDataViewProgressRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 879 {
 880     double pct = (double)m_value / 100.0;
 881     wxRect bar = cell;
 882     bar.width = (int)(cell.width * pct);
 883     dc->SetPen( *wxTRANSPARENT_PEN );
 884     dc->SetBrush( *wxBLUE_BRUSH );
 885     dc->DrawRectangle( bar );
 886
 887     dc->SetBrush( *wxTRANSPARENT_BRUSH );
 888     dc->SetPen( *wxBLACK_PEN );
 889     dc->DrawRectangle( cell );
 890
 891     return true;
 892 }
 893
 894 wxSize wxDataViewProgressRenderer::GetSize() const
 895 {
 896     return wxSize(40,12);
 897 }
 898
 899 // ---------------------------------------------------------
 900 // wxDataViewDateRenderer
 901 // ---------------------------------------------------------
 902
 903 #define wxUSE_DATE_RENDERER_POPUP (wxUSE_CALENDARCTRL && wxUSE_POPUPWIN)
 904
 905 #if wxUSE_DATE_RENDERER_POPUP
 906
 907 class wxDataViewDateRendererPopupTransient: public wxPopupTransientWindow
 908 {
 909 public:
 910     wxDataViewDateRendererPopupTransient( wxWindow* parent, wxDateTime *value,
 911         wxDataViewModel *model, const wxDataViewItem & item, unsigned int col) :
 912         wxPopupTransientWindow( parent, wxBORDER_SIMPLE ),
 913         m_item( item )
 914     {
 915         m_model = model;
 916         m_col = col;
 917         m_cal = new wxCalendarCtrl( this, wxID_ANY, *value );
 918         wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL );
 919         sizer->Add( m_cal, 1, wxGROW );
 920         SetSizer( sizer );
 921         sizer->Fit( this );
 922     }
 923
 924     void OnCalendar( wxCalendarEvent &event );
 925
 926     wxCalendarCtrl      *m_cal;
 927     wxDataViewModel *m_model;
 928     unsigned int               m_col;
 929     const wxDataViewItem &   m_item;
 930
 931 protected:
 932     virtual void OnDismiss()
 933     {
 934     }
 935
 936 private:
 937     DECLARE_EVENT_TABLE()
 938 };
 939
 940 BEGIN_EVENT_TABLE(wxDataViewDateRendererPopupTransient,wxPopupTransientWindow)
 941     EVT_CALENDAR( wxID_ANY, wxDataViewDateRendererPopupTransient::OnCalendar )
 942 END_EVENT_TABLE()
 943
 944 void wxDataViewDateRendererPopupTransient::OnCalendar( wxCalendarEvent &event )
 945 {
 946     wxDateTime date = event.GetDate();
 947     wxVariant value = date;
 948     m_model->SetValue( value, m_item, m_col );
 949     m_model->ValueChanged( m_item, m_col );
 950     DismissAndNotify();
 951 }
 952
 953 #endif // wxUSE_DATE_RENDERER_POPUP
 954
 955 IMPLEMENT_ABSTRACT_CLASS(wxDataViewDateRenderer, wxDataViewCustomRenderer)
 956
 957 wxDataViewDateRenderer::wxDataViewDateRenderer( const wxString &varianttype,
 958                         wxDataViewCellMode mode, int align ) :
 959     wxDataViewCustomRenderer( varianttype, mode, align )
 960 {
 961 }
 962
 963 bool wxDataViewDateRenderer::SetValue( const wxVariant &value )
 964 {
 965     m_date = value.GetDateTime();
 966
 967     return true;
 968 }
 969
 970 bool wxDataViewDateRenderer::GetValue( wxVariant &value ) const
 971 {
 972     value = m_date;
 973     return true;
 974 }
 975
 976 bool wxDataViewDateRenderer::Render( wxRect cell, wxDC *dc, int state )
 977 {
 978     wxString tmp = m_date.FormatDate();
 979     RenderText( tmp, 0, cell, dc, state );
 980     return true;
 981 }
 982
 983 wxSize wxDataViewDateRenderer::GetSize() const
 984 {
 985     const wxDataViewCtrl* view = GetView();
 986     wxString tmp = m_date.FormatDate();
 987     wxCoord x,y,d;
 988     view->GetTextExtent( tmp, &x, &y, &d );
 989     return wxSize(x,y+d);
 990 }
 991
 992 bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewModel *model,
 993                                        const wxDataViewItem & item, unsigned int col )
 994 {
 995     wxVariant variant;
 996     model->GetValue( variant, item, col );
 997     wxDateTime value = variant.GetDateTime();
 998
 999 #if wxUSE_DATE_RENDERER_POPUP
1000     wxDataViewDateRendererPopupTransient *popup = new wxDataViewDateRendererPopupTransient(
1001         GetOwner()->GetOwner()->GetParent(), &value, model, item, col);
1002     wxPoint pos = wxGetMousePosition();
1003     popup->Move( pos );
1004     popup->Layout();
1005     popup->Popup( popup->m_cal );
1006 #else // !wxUSE_DATE_RENDERER_POPUP
1007     wxMessageBox(value.Format());
1008 #endif // wxUSE_DATE_RENDERER_POPUP/!wxUSE_DATE_RENDERER_POPUP
1009     return true;
1010 }
1011
1012 // ---------------------------------------------------------
1013 // wxDataViewIconTextRenderer
1014 // ---------------------------------------------------------
1015
1016 IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewCustomRenderer)
1017
1018 wxDataViewIconTextRenderer::wxDataViewIconTextRenderer(
1019   const wxString &varianttype, wxDataViewCellMode mode, int align ) :
1020     wxDataViewCustomRenderer( varianttype, mode, align )
1021 {
1022     SetMode(mode);
1023     SetAlignment(align);
1024 }
1025
1026 wxDataViewIconTextRenderer::~wxDataViewIconTextRenderer()
1027 {
1028 }
1029
1030 bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
1031 {
1032     m_value << value;
1033     return true;
1034 }
1035
1036 bool wxDataViewIconTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
1037 {
1038     return false;
1039 }
1040
1041 bool wxDataViewIconTextRenderer::Render( wxRect cell, wxDC *dc, int state )
1042 {
1043     int xoffset = 0;
1044     const wxIcon &icon = m_value.GetIcon();
1045     if (icon.IsOk())
1046     {
1047         dc->DrawIcon( icon, cell.x, cell.y + ((cell.height - icon.GetHeight()) / 2));
1048         xoffset =  icon.GetWidth()+4;
1049     }
1050
1051     RenderText( m_value.GetText(), xoffset, cell, dc, state );
1052
1053     return true;
1054 }
1055
1056 wxSize wxDataViewIconTextRenderer::GetSize() const
1057 {
1058     const wxDataViewCtrl *view = GetView();
1059     if (!m_value.GetText().empty())
1060     {
1061         int x,y;
1062         view->GetTextExtent( m_value.GetText(), &x, &y );
1063
1064         if (m_value.GetIcon().IsOk())
1065             x += m_value.GetIcon().GetWidth() + 4;
1066         return wxSize( x, y );
1067     }
1068     return wxSize(80,20);
1069 }
1070
1071 wxControl *
1072 wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow * WXUNUSED(parent),
1073                                              wxRect WXUNUSED(labelRect),
1074                                              const wxVariant& WXUNUSED(value))
1075 {
1076     return NULL;
1077 }
1078
1079 bool
1080 wxDataViewIconTextRenderer::GetValueFromEditorCtrl(wxControl* WXUNUSED(editor),
1081                                                    wxVariant& WXUNUSED(value))
1082 {
1083     return false;
1084 }
1085
1086 //-----------------------------------------------------------------------------
1087 // wxDataViewRenameTimer
1088 //-----------------------------------------------------------------------------
1089
1090 wxDataViewRenameTimer::wxDataViewRenameTimer( wxDataViewMainWindow *owner )
1091 {
1092     m_owner = owner;
1093 }
1094
1095 void wxDataViewRenameTimer::Notify()
1096 {
1097     m_owner->OnRenameTimer();
1098 }
1099
1100 //-----------------------------------------------------------------------------
1101 // wxDataViewMainWindow
1102 //-----------------------------------------------------------------------------
1103
1104 //The tree building helper, declared firstly
1105 static void BuildTreeHelper( wxDataViewModel * model,  wxDataViewItem & item, wxDataViewTreeNode * node);
1106
1107 int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )
1108 {
1109     if (row1 > row2) return 1;
1110     if (row1 == row2) return 0;
1111     return -1;
1112 }
1113
1114
1115 IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
1116
1117 BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
1118     EVT_PAINT         (wxDataViewMainWindow::OnPaint)
1119     EVT_MOUSE_EVENTS  (wxDataViewMainWindow::OnMouse)
1120     EVT_SET_FOCUS     (wxDataViewMainWindow::OnSetFocus)
1121     EVT_KILL_FOCUS    (wxDataViewMainWindow::OnKillFocus)
1122     EVT_CHAR          (wxDataViewMainWindow::OnChar)
1123 END_EVENT_TABLE()
1124
1125 wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
1126     const wxPoint &pos, const wxSize &size, const wxString &name ) :
1127     wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE, name ),
1128     m_selection( wxDataViewSelectionCmp )
1129
1130 {
1131     SetOwner( parent );
1132
1133     m_lastOnSame = false;
1134     m_renameTimer = new wxDataViewRenameTimer( this );
1135
1136     // TODO: user better initial values/nothing selected
1137     m_currentCol = NULL;
1138     m_currentRow = 0;
1139
1140     m_lineHeight = wxMax( 17, GetCharHeight() + 2 ); // 17 = mini icon height + 1
1141
1142     m_dragCount = 0;
1143     m_dragStart = wxPoint(0,0);
1144     m_lineLastClicked = (unsigned int) -1;
1145     m_lineBeforeLastClicked = (unsigned int) -1;
1146     m_lineSelectSingleOnUp = (unsigned int) -1;
1147
1148     m_hasFocus = false;
1149
1150     SetBackgroundColour( *wxWHITE );
1151
1152     SetBackgroundStyle(wxBG_STYLE_CUSTOM);
1153
1154     m_penRule = wxPen(GetRuleColour());
1155
1156     //Here I compose a pen can draw black lines, maybe there are something system colour to use
1157     m_penExpander = wxPen(wxColour(0,0,0));
1158     //Some new added code to deal with the tree structure
1159     m_root = new wxDataViewTreeNode( NULL );
1160     m_root->SetHasChildren(true);
1161
1162     //Make m_count = -1 will cause the class recaculate the real displaying number of rows.
1163     m_count = -1;
1164     m_underMouse = NULL;
1165     UpdateDisplay();
1166 }
1167
1168 wxDataViewMainWindow::~wxDataViewMainWindow()
1169 {
1170     DestroyTree();
1171     delete m_renameTimer;
1172 }
1173
1174 void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1175 {
1176     wxDataViewModel *model = GetOwner()->GetModel();
1177     wxAutoBufferedPaintDC dc( this );
1178
1179 #ifdef __WXMSW__
1180     dc.SetPen( *wxTRANSPARENT_PEN );
1181     dc.SetBrush( wxBrush( GetBackgroundColour()) );
1182     dc.SetBrush( *wxWHITE_BRUSH );
1183     wxSize size( GetClientSize() );
1184     dc.DrawRectangle( 0,0,size.x,size.y );
1185 #endif
1186
1187     // prepare the DC
1188     GetOwner()->PrepareDC( dc );
1189     dc.SetFont( GetFont() );
1190
1191     wxRect update = GetUpdateRegion().GetBox();
1192     m_owner->CalcUnscrolledPosition( update.x, update.y, &update.x, &update.y );
1193
1194     // compute which items needs to be redrawn
1195     unsigned int item_start = GetLineAt( wxMax(0,update.y) );
1196     unsigned int item_count =
1197         wxMin( (int)(  GetLineAt( wxMax(0,update.y+update.height) ) - item_start + 1),
1198                (int)(GetRowCount( ) - item_start));
1199     unsigned int item_last = item_start + item_count;
1200
1201     // compute which columns needs to be redrawn
1202     unsigned int cols = GetOwner()->GetColumnCount();
1203     unsigned int col_start = 0;
1204     unsigned int x_start;
1205     for (x_start = 0; col_start < cols; col_start++)
1206     {
1207         wxDataViewColumn *col = GetOwner()->GetColumn(col_start);
1208         if (col->IsHidden())
1209             continue;      // skip it!
1210
1211         unsigned int w = col->GetWidth();
1212         if (x_start+w >= (unsigned int)update.x)
1213             break;
1214
1215         x_start += w;
1216     }
1217
1218     unsigned int col_last = col_start;
1219     unsigned int x_last = x_start;
1220     for (; col_last < cols; col_last++)
1221     {
1222         wxDataViewColumn *col = GetOwner()->GetColumn(col_last);
1223         if (col->IsHidden())
1224             continue;      // skip it!
1225
1226         if (x_last > (unsigned int)update.GetRight())
1227             break;
1228
1229         x_last += col->GetWidth();
1230     }
1231
1232     // Draw horizontal rules if required
1233     if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
1234     {
1235         dc.SetPen(m_penRule);
1236         dc.SetBrush(*wxTRANSPARENT_BRUSH);
1237
1238         for (unsigned int i = item_start; i <= item_last+1; i++)
1239         {
1240             int y = GetLineStart( i );
1241             dc.DrawLine(x_start, y, x_last, y);
1242         }
1243     }
1244
1245     // Draw vertical rules if required
1246     if ( m_owner->HasFlag(wxDV_VERT_RULES) )
1247     {
1248         dc.SetPen(m_penRule);
1249         dc.SetBrush(*wxTRANSPARENT_BRUSH);
1250
1251         int x = x_start;
1252         for (unsigned int i = col_start; i < col_last; i++)
1253         {
1254             wxDataViewColumn *col = GetOwner()->GetColumn(i);
1255             if (col->IsHidden())
1256                 continue;       // skip it
1257
1258             dc.DrawLine(x, GetLineStart( item_start ),
1259                         x, GetLineStart( item_last ) );
1260
1261             x += col->GetWidth();
1262         }
1263
1264         // Draw last vertical rule
1265         dc.DrawLine(x, GetLineStart( item_start ),
1266                     x, GetLineStart( item_last ) );
1267     }
1268
1269     // redraw the background for the items which are selected/current
1270     for (unsigned int item = item_start; item < item_last; item++)
1271     {
1272         bool selected = m_selection.Index( item ) != wxNOT_FOUND;
1273         if (selected || item == m_currentRow)
1274         {
1275             int flags = selected ? (int)wxCONTROL_SELECTED : 0;
1276             if (item == m_currentRow)
1277                 flags |= wxCONTROL_CURRENT;
1278             if (m_hasFocus)
1279                 flags |= wxCONTROL_FOCUSED;
1280
1281             wxRect rect( x_start, GetLineStart( item ), x_last, GetLineHeight( item ) );
1282             wxRendererNative::Get().DrawItemSelectionRect
1283                                 (
1284                                     this,
1285                                     dc,
1286                                     rect,
1287                                     flags
1288                                 );
1289         }
1290     }
1291
1292     wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
1293     if (!expander)
1294     {
1295         // TODO: last column for RTL support
1296         expander = GetOwner()->GetColumn( 0 );
1297         GetOwner()->SetExpanderColumn(expander);
1298     }
1299
1300     // redraw all cells for all rows which must be repainted and all columns
1301     wxRect cell_rect;
1302     cell_rect.x = x_start;
1303     for (unsigned int i = col_start; i < col_last; i++)
1304     {
1305
1306         wxDataViewColumn *col = GetOwner()->GetColumn( i );
1307         wxDataViewRenderer *cell = col->GetRenderer();
1308         cell_rect.width = col->GetWidth();
1309
1310         if (col->IsHidden())
1311             continue;       // skip it!
1312
1313         for (unsigned int item = item_start; item < item_last; item++)
1314         {
1315             // get the cell value and set it into the renderer
1316             wxVariant value;
1317             wxDataViewTreeNode *node = NULL;
1318             wxDataViewItem dataitem;
1319
1320             if (!IsVirtualList())
1321             {
1322                 node = GetTreeNodeByRow(item);
1323                 if( node == NULL )
1324                     continue;
1325
1326                 dataitem = node->GetItem();
1327
1328                 if ((i > 0) && model->IsContainer(dataitem) && !model->HasContainerColumns(dataitem))
1329                     continue;
1330             }
1331             else
1332             {
1333                 dataitem = wxDataViewItem( wxUIntToPtr(item) );
1334             }
1335
1336             model->GetValue( value, dataitem, col->GetModelColumn());
1337             cell->SetValue( value );
1338
1339             if (cell->GetWantsAttr())
1340             {
1341                 wxDataViewItemAttr attr;
1342                 bool ret = model->GetAttr( dataitem, col->GetModelColumn(), attr );
1343                 if (ret)
1344                     cell->SetAttr( attr );
1345                 cell->SetHasAttr( ret );
1346             }
1347
1348             // update cell_rect
1349             cell_rect.y = GetLineStart( item );
1350             cell_rect.height = GetLineHeight( item );     // -1 is for the horizontal rules (?)
1351
1352             //Draw the expander here.
1353             int indent = 0;
1354             if ((!IsVirtualList()) && (col == expander))
1355             {
1356                 indent = node->GetIndentLevel();
1357
1358                 //Calculate the indent first
1359                 indent = cell_rect.x + GetOwner()->GetIndent() * indent;
1360
1361                 int expander_width = m_lineHeight - 2*EXPANDER_MARGIN;
1362                 // change the cell_rect.x to the appropriate pos
1363                 int  expander_x = indent + EXPANDER_MARGIN;
1364                 int expander_y = cell_rect.y + EXPANDER_MARGIN + (GetLineHeight(item) / 2) - (expander_width/2) - EXPANDER_OFFSET;
1365                 indent = indent + m_lineHeight;  //try to use the m_lineHeight as the expander space
1366                 dc.SetPen( m_penExpander );
1367                 dc.SetBrush( wxNullBrush );
1368                 if( node->HasChildren() )
1369                 {
1370                     wxRect rect( expander_x , expander_y, expander_width, expander_width);
1371                     int flag = 0;
1372                     if (m_underMouse == node)
1373                     {
1374                         flag |= wxCONTROL_CURRENT;
1375                     }
1376                     if( node->IsOpen() )
1377                         wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag|wxCONTROL_EXPANDED );
1378                     else
1379                         wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);
1380                 }
1381                  //force the expander column to left-center align
1382                  cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
1383             }
1384             if (node && !node->HasChildren())
1385             {
1386                 // Yes, if the node does not have any child, it must be a leaf which
1387                 // mean that it is a temporarily created by GetTreeNodeByRow
1388                 wxDELETE(node);
1389             }
1390
1391             // cannot be bigger than allocated space
1392             wxSize size = cell->GetSize();
1393             // Because of the tree structure indent, here we should minus the width of the cell for drawing
1394             size.x = wxMin( size.x + 2*PADDING_RIGHTLEFT, cell_rect.width - indent );
1395             // size.y = wxMin( size.y, cell_rect.height );
1396             size.y = cell_rect.height;
1397
1398             wxRect item_rect(cell_rect.GetTopLeft(), size);
1399             int align = cell->CalculateAlignment();
1400
1401             // horizontal alignment:
1402             item_rect.x = cell_rect.x;
1403             if (align & wxALIGN_CENTER_HORIZONTAL)
1404                 item_rect.x = cell_rect.x + (cell_rect.width / 2) - (size.x / 2);
1405             else if (align & wxALIGN_RIGHT)
1406                 item_rect.x = cell_rect.x + cell_rect.width - size.x;
1407             //else: wxALIGN_LEFT is the default
1408
1409             // vertical alignment:
1410             item_rect.y = cell_rect.y;
1411             if (align & wxALIGN_CENTER_VERTICAL)
1412                 item_rect.y = cell_rect.y + (cell_rect.height / 2) - (size.y / 2);
1413             else if (align & wxALIGN_BOTTOM)
1414                 item_rect.y = cell_rect.y + cell_rect.height - size.y;
1415             //else: wxALIGN_TOP is the default
1416
1417             // add padding
1418             item_rect.x += PADDING_RIGHTLEFT;
1419             item_rect.width = size.x - 2 * PADDING_RIGHTLEFT;
1420
1421             //Here we add the tree indent
1422             item_rect.x += indent;
1423
1424             int state = 0;
1425             if (m_hasFocus && (m_selection.Index(item) != wxNOT_FOUND))
1426                 state |= wxDATAVIEW_CELL_SELECTED;
1427
1428             // TODO: it would be much more efficient to create a clipping
1429             //       region for the entire column being rendered (in the OnPaint
1430             //       of wxDataViewMainWindow) instead of a single clip region for
1431             //       each cell. However it would mean that each renderer should
1432             //       respect the given wxRect's top & bottom coords, eventually
1433             //       violating only the left & right coords - however the user can
1434             //       make its own renderer and thus we cannot be sure of that.
1435             dc.SetClippingRegion( item_rect );
1436             cell->Render( item_rect, &dc, state );
1437             dc.DestroyClippingRegion();
1438         }
1439
1440         cell_rect.x += cell_rect.width;
1441     }
1442 }
1443
1444 void wxDataViewMainWindow::OnRenameTimer()
1445 {
1446     // We have to call this here because changes may just have
1447     // been made and no screen update taken place.
1448     if ( m_dirty )
1449         wxSafeYield();
1450
1451     int xpos = 0;
1452     unsigned int cols = GetOwner()->GetColumnCount();
1453     unsigned int i;
1454     for (i = 0; i < cols; i++)
1455     {
1456         wxDataViewColumn *c = GetOwner()->GetColumn( i );
1457         if (c->IsHidden())
1458             continue;      // skip it!
1459
1460         if (c == m_currentCol)
1461             break;
1462         xpos += c->GetWidth();
1463     }
1464     wxRect labelRect( xpos,
1465                       GetLineStart( m_currentRow ),
1466                       m_currentCol->GetWidth(),
1467                       GetLineHeight( m_currentRow ) );
1468
1469     GetOwner()->CalcScrolledPosition( labelRect.x, labelRect.y,
1470                                      &labelRect.x, &labelRect.y);
1471
1472     wxDataViewItem item = GetItemByRow( m_currentRow );
1473     m_currentCol->GetRenderer()->StartEditing( item, labelRect );
1474
1475 }
1476
1477 //------------------------------------------------------------------
1478 // Helper class for do operation on the tree node
1479 //------------------------------------------------------------------
1480 class DoJob
1481 {
1482 public:
1483     DoJob() { }
1484     virtual ~DoJob() { }
1485
1486     //The return value control how the tree-walker tranverse the tree
1487     // 0: Job done, stop tranverse and return
1488     // 1: Ignore the current node's subtree and continue
1489     // 2: Job not done, continue
1490     enum  { OK = 0 , IGR = 1, CONT = 2 };
1491     virtual int operator() ( wxDataViewTreeNode * node ) = 0;
1492     virtual int operator() ( void * n ) = 0;
1493 };
1494
1495 bool Walker( wxDataViewTreeNode * node, DoJob & func )
1496 {
1497     if( node==NULL )
1498         return false;
1499
1500     switch( func( node ) )
1501     {
1502         case DoJob::OK :
1503             return true;
1504         case DoJob::IGR:
1505             return false;
1506         case DoJob::CONT:
1507         default:
1508             ;
1509     }
1510
1511     wxDataViewTreeNodes nodes = node->GetNodes();
1512     wxDataViewTreeLeaves leaves = node->GetChildren();
1513
1514     int len_nodes = nodes.GetCount();
1515     int len = leaves.GetCount();
1516     int i = 0, nodes_i = 0;
1517
1518     for(; i < len; i ++ )
1519     {
1520         void * n = leaves[i];
1521         if( nodes_i < len_nodes && n == nodes[nodes_i]->GetItem().GetID() )
1522         {
1523             wxDataViewTreeNode * nd = nodes[nodes_i];
1524             nodes_i++;
1525
1526             if( Walker( nd , func ) )
1527                 return true;
1528
1529         }
1530         else
1531             switch( func( n ) )
1532             {
1533                 case DoJob::OK :
1534                     return true;
1535                 case DoJob::IGR:
1536                     continue;
1537                 case DoJob::CONT:
1538                 default:
1539                    ;
1540             }
1541     }
1542     return false;
1543 }
1544
1545 bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
1546 {
1547     if (!m_root)
1548     {
1549         m_count++;
1550         UpdateDisplay();
1551         return true;
1552     }
1553
1554     SortPrepare();
1555
1556     wxDataViewTreeNode * node;
1557     node = FindNode(parent);
1558
1559     if( node == NULL )
1560         return false;
1561
1562     node->SetHasChildren( true );
1563
1564     if( g_model->IsContainer( item ) )
1565     {
1566         wxDataViewTreeNode * newnode = new wxDataViewTreeNode( node );
1567         newnode->SetItem(item);
1568         newnode->SetHasChildren( true );
1569         node->AddNode( newnode);
1570     }
1571     else
1572         node->AddLeaf( item.GetID() );
1573
1574     node->ChangeSubTreeCount(1);
1575
1576     m_count = -1;
1577     UpdateDisplay();
1578
1579     return true;
1580 }
1581
1582 static void DestroyTreeHelper( wxDataViewTreeNode * node);
1583
1584 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
1585                                        const wxDataViewItem& item)
1586 {
1587     if (!m_root)
1588     {
1589         m_count--;
1590         if( m_currentRow > GetRowCount() )
1591             m_currentRow = m_count - 1;
1592
1593         m_selection.Empty();
1594
1595         UpdateDisplay();
1596
1597         return true;
1598     }
1599
1600     wxDataViewTreeNode * node = FindNode(parent);
1601
1602     wxCHECK_MSG( node != NULL, false, "item not found" );
1603     wxCHECK_MSG( node->GetChildren().Index( item.GetID() ) != wxNOT_FOUND, false, "item not found" );
1604
1605     int sub = -1;
1606     node->GetChildren().Remove( item.GetID() );
1607     //Manuplate selection
1608     if( m_selection.GetCount() > 1 )
1609     {
1610         m_selection.Empty();
1611     }
1612     bool isContainer = false;
1613     wxDataViewTreeNodes nds = node->GetNodes();
1614     for (size_t i = 0; i < nds.GetCount(); i ++)
1615     {
1616         if (nds[i]->GetItem() == item)
1617         {
1618             isContainer = true;
1619             break;
1620         }
1621     }
1622     if( isContainer )
1623     {
1624         wxDataViewTreeNode * n = NULL;
1625         wxDataViewTreeNodes nodes = node->GetNodes();
1626         int len = nodes.GetCount();
1627         for( int i = 0; i < len; i ++)
1628         {
1629             if( nodes[i]->GetItem() == item )
1630             {
1631                 n = nodes[i];
1632                 break;
1633             }
1634         }
1635
1636         wxCHECK_MSG( n != NULL, false, "item not found" );
1637
1638         node->GetNodes().Remove( n );
1639         sub -= n->GetSubTreeCount();
1640         ::DestroyTreeHelper(n);
1641     }
1642     //Make the row number invalid and get a new valid one when user call GetRowCount
1643     m_count = -1;
1644     node->ChangeSubTreeCount(sub);
1645
1646     //Change the current row to the last row if the current exceed the max row number
1647     if( m_currentRow > GetRowCount() )
1648         m_currentRow = m_count - 1;
1649
1650     UpdateDisplay();
1651
1652     return true;
1653 }
1654
1655 bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
1656 {
1657     SortPrepare();
1658     g_model->Resort();
1659
1660     //Send event
1661     wxWindow *parent = GetParent();
1662     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
1663     le.SetEventObject(parent);
1664     le.SetModel(GetOwner()->GetModel());
1665     le.SetItem(item);
1666     parent->GetEventHandler()->ProcessEvent(le);
1667
1668     return true;
1669 }
1670
1671 bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int col )
1672 {
1673     // NOTE: to be valid, we cannot use e.g. INT_MAX - 1
1674 /*#define MAX_VIRTUAL_WIDTH       100000
1675
1676     wxRect rect( 0, row*m_lineHeight, MAX_VIRTUAL_WIDTH, m_lineHeight );
1677     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
1678     Refresh( true, &rect );
1679
1680     return true;
1681 */
1682     SortPrepare();
1683     g_model->Resort();
1684
1685     //Send event
1686     wxWindow *parent = GetParent();
1687     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
1688     le.SetEventObject(parent);
1689     le.SetModel(GetOwner()->GetModel());
1690     le.SetItem(item);
1691     le.SetColumn(col);
1692     le.SetDataViewColumn(GetOwner()->GetColumn(col));
1693     parent->GetEventHandler()->ProcessEvent(le);
1694
1695     return true;
1696 }
1697
1698 bool wxDataViewMainWindow::Cleared()
1699 {
1700     DestroyTree();
1701
1702     SortPrepare();
1703     BuildTree( GetOwner()->GetModel() );
1704
1705     UpdateDisplay();
1706
1707     return true;
1708 }
1709
1710 void wxDataViewMainWindow::UpdateDisplay()
1711 {
1712     m_dirty = true;
1713 }
1714
1715 void wxDataViewMainWindow::OnInternalIdle()
1716 {
1717     wxWindow::OnInternalIdle();
1718
1719     if (m_dirty)
1720     {
1721         RecalculateDisplay();
1722         m_dirty = false;
1723     }
1724 }
1725
1726 void wxDataViewMainWindow::RecalculateDisplay()
1727 {
1728     wxDataViewModel *model = GetOwner()->GetModel();
1729     if (!model)
1730     {
1731         Refresh();
1732         return;
1733     }
1734
1735     int width = GetEndOfLastCol();
1736     int height = GetLineStart( GetRowCount() );
1737
1738     SetVirtualSize( width, height );
1739     GetOwner()->SetScrollRate( 10, m_lineHeight );
1740
1741     Refresh();
1742 }
1743
1744 void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
1745 {
1746     wxWindow::ScrollWindow( dx, dy, rect );
1747
1748     if (GetOwner()->m_headerArea)
1749         GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
1750 }
1751
1752 void wxDataViewMainWindow::ScrollTo( int rows, int column )
1753 {
1754     int x, y;
1755     m_owner->GetScrollPixelsPerUnit( &x, &y );
1756     int sy = GetLineStart( rows )/y;
1757     int sx = 0;
1758     if( column != -1 )
1759     {
1760         wxRect rect = GetClientRect();
1761         int colnum = 0;
1762         int x_start, w = 0;
1763         int xx, yy, xe;
1764         m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy );
1765         for (x_start = 0; colnum < column; colnum++)
1766         {
1767             wxDataViewColumn *col = GetOwner()->GetColumn(colnum);
1768             if (col->IsHidden())
1769                 continue;      // skip it!
1770
1771             w = col->GetWidth();
1772             x_start += w;
1773         }
1774
1775         int x_end = x_start + w;
1776         xe = xx + rect.width;
1777         if( x_end > xe )
1778         {
1779             sx = ( xx + x_end - xe )/x;
1780         }
1781         if( x_start < xx )
1782         {
1783             sx = x_start/x;
1784         }
1785     }
1786     m_owner->Scroll( sx, sy );
1787 }
1788
1789 int wxDataViewMainWindow::GetCountPerPage() const
1790 {
1791     wxSize size = GetClientSize();
1792     return size.y / m_lineHeight;
1793 }
1794
1795 int wxDataViewMainWindow::GetEndOfLastCol() const
1796 {
1797     int width = 0;
1798     unsigned int i;
1799     for (i = 0; i < GetOwner()->GetColumnCount(); i++)
1800     {
1801         const wxDataViewColumn *c =
1802             const_cast<wxDataViewCtrl*>(GetOwner())->GetColumn( i );
1803
1804         if (!c->IsHidden())
1805             width += c->GetWidth();
1806     }
1807     return width;
1808 }
1809
1810 unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
1811 {
1812     int x = 0;
1813     int y = 0;
1814     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
1815
1816     return GetLineAt( y );
1817 }
1818
1819 unsigned int wxDataViewMainWindow::GetLastVisibleRow()
1820 {
1821     wxSize client_size = GetClientSize();
1822     m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
1823                                      &client_size.x, &client_size.y );
1824
1825     //we should deal with the pixel here
1826     unsigned int row = GetLineAt(client_size.y) - 1;
1827
1828     return wxMin( GetRowCount()-1, row );
1829 }
1830
1831 unsigned int wxDataViewMainWindow::GetRowCount()
1832 {
1833     if ( m_count == -1 )
1834     {
1835         m_count = RecalculateCount();
1836         UpdateDisplay();
1837     }
1838     return m_count;
1839 }
1840
1841 void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
1842 {
1843     m_currentRow = row;
1844
1845     // send event
1846 }
1847
1848 void wxDataViewMainWindow::SelectAllRows( bool on )
1849 {
1850     if (IsEmpty())
1851         return;
1852
1853     if (on)
1854     {
1855         m_selection.Clear();
1856         for (unsigned int i = 0; i < GetRowCount(); i++)
1857             m_selection.Add( i );
1858         Refresh();
1859     }
1860     else
1861     {
1862         unsigned int first_visible = GetFirstVisibleRow();
1863         unsigned int last_visible = GetLastVisibleRow();
1864         unsigned int i;
1865         for (i = 0; i < m_selection.GetCount(); i++)
1866         {
1867             unsigned int row = m_selection[i];
1868             if ((row >= first_visible) && (row <= last_visible))
1869                 RefreshRow( row );
1870         }
1871         m_selection.Clear();
1872     }
1873 }
1874
1875 void wxDataViewMainWindow::SelectRow( unsigned int row, bool on )
1876 {
1877     if (m_selection.Index( row ) == wxNOT_FOUND)
1878     {
1879         if (on)
1880         {
1881             m_selection.Add( row );
1882             RefreshRow( row );
1883         }
1884     }
1885     else
1886     {
1887         if (!on)
1888         {
1889             m_selection.Remove( row );
1890             RefreshRow( row );
1891         }
1892     }
1893 }
1894
1895 void wxDataViewMainWindow::SelectRows( unsigned int from, unsigned int to, bool on )
1896 {
1897     if (from > to)
1898     {
1899         unsigned int tmp = from;
1900         from = to;
1901         to = tmp;
1902     }
1903
1904     unsigned int i;
1905     for (i = from; i <= to; i++)
1906     {
1907         if (m_selection.Index( i ) == wxNOT_FOUND)
1908         {
1909             if (on)
1910                 m_selection.Add( i );
1911         }
1912         else
1913         {
1914             if (!on)
1915                 m_selection.Remove( i );
1916         }
1917     }
1918     RefreshRows( from, to );
1919 }
1920
1921 void wxDataViewMainWindow::Select( const wxArrayInt& aSelections )
1922 {
1923     for (size_t i=0; i < aSelections.GetCount(); i++)
1924     {
1925         int n = aSelections[i];
1926
1927         m_selection.Add( n );
1928         RefreshRow( n );
1929     }
1930 }
1931
1932 void wxDataViewMainWindow::ReverseRowSelection( unsigned int row )
1933 {
1934     if (m_selection.Index( row ) == wxNOT_FOUND)
1935         m_selection.Add( row );
1936     else
1937         m_selection.Remove( row );
1938     RefreshRow( row );
1939 }
1940
1941 bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
1942 {
1943     return (m_selection.Index( row ) != wxNOT_FOUND);
1944 }
1945
1946 void wxDataViewMainWindow::SendSelectionChangedEvent( const wxDataViewItem& item)
1947 {
1948     wxWindow *parent = GetParent();
1949     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, parent->GetId());
1950
1951     le.SetEventObject(parent);
1952     le.SetModel(GetOwner()->GetModel());
1953     le.SetItem( item );
1954
1955     parent->GetEventHandler()->ProcessEvent(le);
1956 }
1957
1958 void wxDataViewMainWindow::RefreshRow( unsigned int row )
1959 {
1960     wxRect rect( 0, GetLineStart( row ), GetEndOfLastCol(), GetLineHeight( row ) );
1961     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
1962
1963     wxSize client_size = GetClientSize();
1964     wxRect client_rect( 0, 0, client_size.x, client_size.y );
1965     wxRect intersect_rect = client_rect.Intersect( rect );
1966     if (intersect_rect.width > 0)
1967         Refresh( true, &intersect_rect );
1968 }
1969
1970 void wxDataViewMainWindow::RefreshRows( unsigned int from, unsigned int to )
1971 {
1972     if (from > to)
1973     {
1974         unsigned int tmp = to;
1975         to = from;
1976         from = tmp;
1977     }
1978
1979     wxRect rect( 0, GetLineStart( from ), GetEndOfLastCol(), GetLineStart( (to-from+1) ) );
1980     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
1981
1982     wxSize client_size = GetClientSize();
1983     wxRect client_rect( 0, 0, client_size.x, client_size.y );
1984     wxRect intersect_rect = client_rect.Intersect( rect );
1985     if (intersect_rect.width > 0)
1986         Refresh( true, &intersect_rect );
1987 }
1988
1989 void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
1990 {
1991     wxSize client_size = GetClientSize();
1992     int start = GetLineStart( firstRow );
1993     m_owner->CalcScrolledPosition( start, 0, &start, NULL );
1994     if (start > client_size.y) return;
1995
1996     wxRect rect( 0, start, client_size.x, client_size.y - start );
1997
1998     Refresh( true, &rect );
1999 }
2000
2001 void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event)
2002 {
2003     wxCHECK_RET( newCurrent < GetRowCount(),
2004                  _T("invalid item index in OnArrowChar()") );
2005
2006     // if there is no selection, we cannot move it anywhere
2007     if (!HasCurrentRow())
2008         return;
2009
2010     unsigned int oldCurrent = m_currentRow;
2011
2012     // in single selection we just ignore Shift as we can't select several
2013     // items anyhow
2014     if ( event.ShiftDown() && !IsSingleSel() )
2015     {
2016         RefreshRow( oldCurrent );
2017
2018         ChangeCurrentRow( newCurrent );
2019
2020         // select all the items between the old and the new one
2021         if ( oldCurrent > newCurrent )
2022         {
2023             newCurrent = oldCurrent;
2024             oldCurrent = m_currentRow;
2025         }
2026
2027         SelectRows( oldCurrent, newCurrent, true );
2028         if (oldCurrent!=newCurrent)
2029             SendSelectionChangedEvent(GetItemByRow(m_selection[0]));
2030     }
2031     else // !shift
2032     {
2033         RefreshRow( oldCurrent );
2034
2035         // all previously selected items are unselected unless ctrl is held
2036         if ( !event.ControlDown() )
2037             SelectAllRows(false);
2038
2039         ChangeCurrentRow( newCurrent );
2040
2041         if ( !event.ControlDown() )
2042         {
2043             SelectRow( m_currentRow, true );
2044             SendSelectionChangedEvent(GetItemByRow(m_currentRow));
2045         }
2046         else
2047             RefreshRow( m_currentRow );
2048     }
2049
2050     GetOwner()->EnsureVisible( m_currentRow, -1 );
2051 }
2052
2053 wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
2054 {
2055     wxRect rect;
2056     rect.x = 0;
2057     rect.y = GetLineStart( row );
2058     rect.width = GetEndOfLastCol();
2059     rect.height = GetLineHeight( row );
2060
2061     return rect;
2062 }
2063
2064 int wxDataViewMainWindow::GetLineStart( unsigned int row ) const
2065 {
2066     const wxDataViewModel *model = GetOwner()->GetModel();
2067
2068     if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2069     {
2070         // TODO make more efficient
2071
2072         int start = 0;
2073
2074         unsigned int r;
2075         for (r = 0; r < row; r++)
2076         {
2077             const wxDataViewTreeNode* node = GetTreeNodeByRow(r);
2078             if (!node) return start;
2079
2080             wxDataViewItem item = node->GetItem();
2081
2082             if (node && !node->HasChildren())
2083             {
2084                 // Yes, if the node does not have any child, it must be a leaf which
2085                 // mean that it is a temporarily created by GetTreeNodeByRow
2086                 wxDELETE(node);
2087             }
2088
2089             unsigned int cols = GetOwner()->GetColumnCount();
2090             unsigned int col;
2091             int height = m_lineHeight;
2092             for (col = 0; col < cols; col++)
2093             {
2094                 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2095                 if (column->IsHidden())
2096                     continue;      // skip it!
2097
2098                 if ((col != 0) && model->IsContainer(item) && !model->HasContainerColumns(item))
2099                     continue;      // skip it!
2100
2101                 const wxDataViewRenderer *renderer = column->GetRenderer();
2102                 wxVariant value;
2103                 model->GetValue( value, item, column->GetModelColumn() );
2104                 wxDataViewRenderer *renderer2 = const_cast<wxDataViewRenderer*>(renderer);
2105                 renderer2->SetValue( value );
2106                 height = wxMax( height, renderer->GetSize().y );
2107             }
2108
2109
2110             start += height;
2111         }
2112
2113         return start;
2114     }
2115     else
2116     {
2117         return row * m_lineHeight;
2118     }
2119 }
2120
2121 int wxDataViewMainWindow::GetLineAt( unsigned int y ) const
2122 {
2123     const wxDataViewModel *model = GetOwner()->GetModel();
2124
2125     // check for the easy case first
2126     if ( !GetOwner()->HasFlag(wxDV_VARIABLE_LINE_HEIGHT) )
2127         return y / m_lineHeight;
2128
2129     // TODO make more efficient
2130     unsigned int row = 0;
2131     unsigned int yy = 0;
2132     for (;;)
2133     {
2134        const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2135        if (!node)
2136        {
2137            // not really correct...
2138            return row + ((y-yy) / m_lineHeight);
2139        }
2140
2141        wxDataViewItem item = node->GetItem();
2142
2143         if (node && !node->HasChildren())
2144         {
2145             // Yes, if the node does not have any child, it must be a leaf which
2146             // mean that it is a temporarily created by GetTreeNodeByRow
2147             wxDELETE(node);
2148         }
2149
2150        unsigned int cols = GetOwner()->GetColumnCount();
2151        unsigned int col;
2152        int height = m_lineHeight;
2153        for (col = 0; col < cols; col++)
2154        {
2155             const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2156             if (column->IsHidden())
2157                 continue;      // skip it!
2158
2159             if ((col != 0) && model->IsContainer(item) && !model->HasContainerColumns(item))
2160                 continue;      // skip it!
2161
2162             const wxDataViewRenderer *renderer = column->GetRenderer();
2163             wxVariant value;
2164             model->GetValue( value, item, column->GetModelColumn() );
2165             wxDataViewRenderer *renderer2 = const_cast<wxDataViewRenderer*>(renderer);
2166             renderer2->SetValue( value );
2167             height = wxMax( height, renderer->GetSize().y );
2168        }
2169
2170        yy += height;
2171        if (y < yy)
2172            return row;
2173
2174        row++;
2175     }
2176 }
2177
2178 int wxDataViewMainWindow::GetLineHeight( unsigned int row ) const
2179 {
2180     const wxDataViewModel *model = GetOwner()->GetModel();
2181
2182     if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2183     {
2184         wxASSERT( !IsVirtualList() );
2185
2186         const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2187         // wxASSERT( node );
2188         if (!node) return m_lineHeight;
2189
2190         wxDataViewItem item = node->GetItem();
2191
2192         if (node && !node->HasChildren())
2193         {
2194                 // Yes, if the node does not have any child, it must be a leaf which
2195                 // mean that it is a temporarily created by GetTreeNodeByRow
2196              wxDELETE(node);
2197         }
2198
2199         int height = m_lineHeight;
2200
2201         unsigned int cols = GetOwner()->GetColumnCount();
2202         unsigned int col;
2203         for (col = 0; col < cols; col++)
2204         {
2205             const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2206             if (column->IsHidden())
2207                 continue;      // skip it!
2208
2209             if ((col != 0) && model->IsContainer(item) && !model->HasContainerColumns(item))
2210                 continue;      // skip it!
2211
2212             const wxDataViewRenderer *renderer = column->GetRenderer();
2213             wxVariant value;
2214             model->GetValue( value, item, column->GetModelColumn() );
2215             wxDataViewRenderer *renderer2 = const_cast<wxDataViewRenderer*>(renderer);
2216             renderer2->SetValue( value );
2217             height = wxMax( height, renderer->GetSize().y );
2218         }
2219
2220         return height;
2221     }
2222     else
2223     {
2224         return m_lineHeight;
2225     }
2226 }
2227
2228 class RowToItemJob: public DoJob
2229 {
2230 public:
2231     RowToItemJob( unsigned int row , int current ) { this->row = row; this->current = current;}
2232     virtual ~RowToItemJob() { }
2233
2234     virtual int operator() ( wxDataViewTreeNode * node )
2235     {
2236         current ++;
2237         if( current == static_cast<int>(row))
2238          {
2239             ret = node->GetItem();
2240             return DoJob::OK;
2241         }
2242
2243         if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2244         {
2245             current += node->GetSubTreeCount();
2246             return  DoJob::IGR;
2247         }
2248         else
2249         {
2250             //If the current has no child node, we can find the desired item of the row number directly.
2251             //This if can speed up finding in some case, and will has a very good effect when it comes to list view
2252             if( node->GetNodes().GetCount() == 0)
2253             {
2254                 int index = static_cast<int>(row) - current - 1;
2255                 ret = node->GetChildren().Item( index );
2256                 return DoJob::OK;
2257             }
2258             return DoJob::CONT;
2259         }
2260     }
2261
2262     virtual int operator() ( void * n )
2263     {
2264         current ++;
2265         if( current == static_cast<int>(row))
2266          {
2267             ret = wxDataViewItem( n );
2268             return DoJob::OK;
2269         }
2270         return DoJob::CONT;
2271     }
2272     wxDataViewItem GetResult(){ return ret; }
2273 private:
2274     unsigned int row;
2275     int current;
2276     wxDataViewItem ret;
2277 };
2278
2279 wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
2280 {
2281     if (!m_root)
2282     {
2283         return wxDataViewItem( wxUIntToPtr(row) );
2284     }
2285     else
2286     {
2287         RowToItemJob job( row, -2 );
2288         Walker( m_root , job );
2289         return job.GetResult();
2290     }
2291 }
2292
2293 class RowToTreeNodeJob: public DoJob
2294 {
2295 public:
2296     RowToTreeNodeJob( unsigned int row , int current, wxDataViewTreeNode * node )
2297     {
2298         this->row = row;
2299         this->current = current;
2300         ret = NULL;
2301         parent = node;
2302     }
2303     virtual ~RowToTreeNodeJob(){ }
2304
2305     virtual int operator() ( wxDataViewTreeNode * node )
2306     {
2307         current ++;
2308         if( current == static_cast<int>(row))
2309          {
2310             ret = node;
2311             return DoJob::OK;
2312         }
2313
2314         if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2315         {
2316             current += node->GetSubTreeCount();
2317             return  DoJob::IGR;
2318         }
2319         else
2320         {
2321             parent = node;
2322             //If the current has no child node, we can find the desired item of the row number directly.
2323             //This if can speed up finding in some case, and will has a very good effect when it comes to list view
2324             if( node->GetNodes().GetCount() == 0)
2325             {
2326                 int index = static_cast<int>(row) - current - 1;
2327                 void * n = node->GetChildren().Item( index );
2328                 ret = new wxDataViewTreeNode( parent );
2329                 ret->SetItem( wxDataViewItem( n ));
2330                 ret->SetHasChildren(false);
2331                 return DoJob::OK;
2332             }
2333             return DoJob::CONT;
2334         }
2335
2336
2337     }
2338
2339     virtual int operator() ( void * n )
2340     {
2341         current ++;
2342         if( current == static_cast<int>(row))
2343          {
2344             ret = new wxDataViewTreeNode( parent );
2345             ret->SetItem( wxDataViewItem( n ));
2346             ret->SetHasChildren(false);
2347             return DoJob::OK;
2348         }
2349
2350         return DoJob::CONT;
2351     }
2352     wxDataViewTreeNode * GetResult(){ return ret; }
2353 private:
2354     unsigned int row;
2355     int current;
2356     wxDataViewTreeNode * ret;
2357     wxDataViewTreeNode * parent;
2358 };
2359
2360
2361 wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row) const
2362 {
2363     wxASSERT( !IsVirtualList() );
2364
2365     RowToTreeNodeJob job( row , -2, m_root );
2366     Walker( m_root , job );
2367     return job.GetResult();
2368 }
2369
2370 wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type, const wxDataViewItem & item )
2371 {
2372     wxWindow *parent = GetParent();
2373     wxDataViewEvent le(type, parent->GetId());
2374
2375     le.SetEventObject(parent);
2376     le.SetModel(GetOwner()->GetModel());
2377     le.SetItem( item );
2378
2379     parent->GetEventHandler()->ProcessEvent(le);
2380     return le;
2381 }
2382
2383 void wxDataViewMainWindow::OnExpanding( unsigned int row )
2384 {
2385     if (IsVirtualList())
2386        return;
2387
2388     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2389     if( node != NULL )
2390     {
2391         if( node->HasChildren())
2392         {
2393             if( !node->IsOpen())
2394             {
2395                wxDataViewEvent e = SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING,node->GetItem());
2396                //Check if the user prevent expanding
2397                if( e.GetSkipped() )
2398                     return;
2399
2400                node->ToggleOpen();
2401                //Here I build the children of current node
2402                if( node->GetChildrenNumber() == 0 )
2403                {
2404                    SortPrepare();
2405                    ::BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node);
2406                }
2407                m_count = -1;
2408                UpdateDisplay();
2409                //Send the expanded event
2410                SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
2411             }
2412             else
2413             {
2414                 SelectRow( row, false );
2415                 SelectRow( row + 1, true );
2416                 ChangeCurrentRow( row + 1 );
2417                 SendSelectionChangedEvent( GetItemByRow(row+1));
2418             }
2419         }
2420         else
2421             delete node;
2422     }
2423 }
2424
2425 void wxDataViewMainWindow::OnCollapsing(unsigned int row)
2426 {
2427     if (IsVirtualList())
2428        return;
2429
2430     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2431     if( node != NULL )
2432     {
2433         wxDataViewTreeNode * nd = node;
2434
2435         if( node->HasChildren() && node->IsOpen() )
2436         {
2437             wxDataViewEvent e = SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem());
2438             if( e.GetSkipped() )
2439                 return;
2440             node->ToggleOpen();
2441             m_count = -1;
2442             UpdateDisplay();
2443             SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,nd->GetItem());
2444         }
2445         else
2446         {
2447             node = node->GetParent();
2448             if( node != NULL )
2449             {
2450                 int  parent = GetRowByItem( node->GetItem() );
2451                 if( parent >= 0 )
2452                 {
2453                     SelectRow( row, false);
2454                     SelectRow(parent , true );
2455                     ChangeCurrentRow( parent );
2456                     SendSelectionChangedEvent( node->GetItem() );
2457                 }
2458             }
2459         }
2460         if( !nd->HasChildren())
2461             delete nd;
2462     }
2463 }
2464
2465 wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
2466 {
2467     wxDataViewModel * model = GetOwner()->GetModel();
2468     if( model == NULL )
2469         return NULL;
2470
2471     //Compose the a parent-chain of the finding item
2472     ItemList list;
2473     list.DeleteContents( true );
2474     wxDataViewItem it( item );
2475     while( it.IsOk() )
2476     {
2477         wxDataViewItem * pItem = new wxDataViewItem( it );
2478         list.Insert( pItem );
2479         it = model->GetParent( it );
2480     }
2481
2482     //Find the item along the parent-chain.
2483     //This algorithm is designed to speed up the node-finding method
2484     wxDataViewTreeNode * node = m_root;
2485     for( ItemList::const_iterator iter = list.begin(); iter !=list.end(); iter++ )
2486     {
2487         if( node->HasChildren() )
2488         {
2489             if( node->GetChildrenNumber() == 0 )
2490             {
2491                 SortPrepare();
2492                 ::BuildTreeHelper(model, node->GetItem(), node);
2493             }
2494
2495             wxDataViewTreeNodes nodes = node->GetNodes();
2496             unsigned int i;
2497             bool found = false;
2498
2499             for (i = 0; i < nodes.GetCount(); i ++)
2500             {
2501                 if (nodes[i]->GetItem() == (**iter))
2502                 {
2503                     if (nodes[i]->GetItem() == item)
2504                        return nodes[i];
2505
2506                     node = nodes[i];
2507                     found = true;
2508                     break;
2509                 }
2510             }
2511             if (!found)
2512                 return NULL;
2513         }
2514         else
2515             return NULL;
2516     }
2517     return NULL;
2518 }
2519
2520 void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column )
2521 {
2522     wxDataViewColumn *col = NULL;
2523     unsigned int cols = GetOwner()->GetColumnCount();
2524     unsigned int colnum = 0;
2525     int x, y;
2526     m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y );
2527     for (unsigned x_start = 0; colnum < cols; colnum++)
2528     {
2529         col = GetOwner()->GetColumn(colnum);
2530         if (col->IsHidden())
2531             continue;      // skip it!
2532
2533         unsigned int w = col->GetWidth();
2534         if (x_start+w >= (unsigned int)x)
2535             break;
2536
2537         x_start += w;
2538     }
2539
2540     column = col;
2541     item = GetItemByRow( GetLineAt( y ) );
2542 }
2543
2544 wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column )
2545 {
2546     int row = GetRowByItem(item);
2547     int y = GetLineStart( row );
2548     int h = GetLineHeight( m_lineHeight );
2549     int x = 0;
2550     wxDataViewColumn *col = NULL;
2551     for( int i = 0, cols = GetOwner()->GetColumnCount(); i < cols; i ++ )
2552     {
2553        col = GetOwner()->GetColumn( i );
2554        x += col->GetWidth();
2555        if( GetOwner()->GetColumn(i+1) == column )
2556            break;
2557     }
2558     int w = col->GetWidth();
2559     m_owner->CalcScrolledPosition( x, y, &x, &y );
2560     return wxRect(x, y, w, h);
2561 }
2562
2563 int wxDataViewMainWindow::RecalculateCount()
2564 {
2565     if (!m_root)
2566     {
2567         wxDataViewIndexListModel *list_model = (wxDataViewIndexListModel*) GetOwner()->GetModel();
2568 #ifndef __WXMAC__
2569         return list_model->GetLastIndex() + 1;
2570 #else
2571         return list_model->GetLastIndex() - 1;
2572 #endif
2573     }
2574     else
2575     {
2576         return m_root->GetSubTreeCount();
2577     }
2578 }
2579
2580 class ItemToRowJob : public DoJob
2581 {
2582 public:
2583     ItemToRowJob(const wxDataViewItem& item_, ItemList::const_iterator iter)
2584         : m_iter(iter),
2585           item(item_)
2586     {
2587         ret = -1;
2588     }
2589
2590     //Maybe binary search will help to speed up this process
2591     virtual int operator() ( wxDataViewTreeNode * node)
2592     {
2593          ret ++;
2594          if( node->GetItem() == item )
2595          {
2596              return DoJob::OK;
2597          }
2598
2599          if( node->GetItem() == **m_iter )
2600          {
2601              m_iter++;
2602              return DoJob::CONT;
2603          }
2604          else
2605          {
2606              ret += node->GetSubTreeCount();
2607              return DoJob::IGR;
2608          }
2609
2610     }
2611
2612     virtual int operator() ( void * n )
2613     {
2614         ret ++;
2615         if( n == item.GetID() )
2616             return DoJob::OK;
2617         return DoJob::CONT;
2618     }
2619     //the row number is begin from zero
2620     int GetResult() { return ret -1; }
2621
2622 private:
2623     ItemList::const_iterator  m_iter;
2624     wxDataViewItem item;
2625     int ret;
2626
2627 };
2628
2629 int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item) const
2630 {
2631     const wxDataViewModel * model = GetOwner()->GetModel();
2632     if( model == NULL )
2633         return -1;
2634
2635     if (!m_root)
2636     {
2637         return wxPtrToUInt( item.GetID() );
2638     }
2639     else
2640     {
2641         if( !item.IsOk() )
2642             return -1;
2643
2644         //Compose the a parent-chain of the finding item
2645         ItemList list;
2646         wxDataViewItem * pItem;
2647         list.DeleteContents( true );
2648         wxDataViewItem it( item );
2649         while( it.IsOk() )
2650         {
2651             pItem = new wxDataViewItem( it );
2652             list.Insert( pItem );
2653             it = model->GetParent( it );
2654         }
2655         pItem = new wxDataViewItem( );
2656         list.Insert( pItem );
2657
2658         ItemToRowJob job( item, list.begin() );
2659         Walker(m_root , job );
2660         return job.GetResult();
2661     }
2662 }
2663
2664 static void BuildTreeHelper( wxDataViewModel * model,  wxDataViewItem & item, wxDataViewTreeNode * node)
2665 {
2666     if( !model->IsContainer( item ) )
2667         return;
2668
2669     wxDataViewItemArray children;
2670     unsigned int num = model->GetChildren( item, children);
2671     unsigned int index = 0;
2672     while( index < num )
2673     {
2674         if( model->IsContainer( children[index] ) )
2675         {
2676             wxDataViewTreeNode * n = new wxDataViewTreeNode( node );
2677             n->SetItem(children[index]);
2678             n->SetHasChildren( true );
2679             node->AddNode( n );
2680         }
2681         else
2682         {
2683             node->AddLeaf( children[index].GetID() );
2684         }
2685         index ++;
2686     }
2687     node->SetSubTreeCount( num );
2688     wxDataViewTreeNode * n = node->GetParent();
2689     if( n != NULL)
2690         n->ChangeSubTreeCount(num);
2691
2692 }
2693
2694 void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
2695 {
2696     DestroyTree();
2697
2698     if (GetOwner()->GetModel()->IsVirtualListModel())
2699     {
2700         m_count = -1;
2701         return;
2702     }
2703
2704     m_root = new wxDataViewTreeNode( NULL );
2705     m_root->SetHasChildren(true);
2706
2707     //First we define a invalid item to fetch the top-level elements
2708     wxDataViewItem item;
2709     SortPrepare();
2710     BuildTreeHelper( model, item, m_root);
2711     m_count = -1;
2712 }
2713
2714 static void DestroyTreeHelper( wxDataViewTreeNode * node )
2715 {
2716     if( node->GetNodeNumber() != 0 )
2717     {
2718         int len = node->GetNodeNumber();
2719         int i = 0;
2720         wxDataViewTreeNodes& nodes = node->GetNodes();
2721         for(; i < len; i ++ )
2722         {
2723             DestroyTreeHelper(nodes[i]);
2724         }
2725     }
2726     delete node;
2727 }
2728
2729 void wxDataViewMainWindow::DestroyTree()
2730 {
2731     if (!IsVirtualList())
2732     {
2733        ::DestroyTreeHelper(m_root);
2734         m_count = 0;
2735         m_root = NULL;
2736     }
2737 }
2738
2739 void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
2740 {
2741     if ( GetParent()->HandleAsNavigationKey(event) )
2742         return;
2743
2744     // no item -> nothing to do
2745     if (!HasCurrentRow())
2746     {
2747         event.Skip();
2748         return;
2749     }
2750
2751     // don't use m_linesPerPage directly as it might not be computed yet
2752     const int pageSize = GetCountPerPage();
2753     wxCHECK_RET( pageSize, _T("should have non zero page size") );
2754
2755     switch ( event.GetKeyCode() )
2756     {
2757         case WXK_RETURN:
2758         {
2759             if (m_currentRow > 0)
2760             {
2761                 wxWindow *parent = GetParent();
2762                 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
2763                 le.SetItem( GetItemByRow(m_currentRow) );
2764                 le.SetEventObject(parent);
2765                 le.SetModel(GetOwner()->GetModel());
2766
2767                 parent->GetEventHandler()->ProcessEvent(le);
2768             }
2769             break;
2770         }
2771         case WXK_UP:
2772             if ( m_currentRow > 0 )
2773                 OnArrowChar( m_currentRow - 1, event );
2774             break;
2775
2776         case WXK_DOWN:
2777             if ( m_currentRow < GetRowCount() - 1 )
2778                 OnArrowChar( m_currentRow + 1, event );
2779             break;
2780         //Add the process for tree expanding/collapsing
2781         case WXK_LEFT:
2782          OnCollapsing(m_currentRow);
2783          break;
2784      case WXK_RIGHT:
2785          OnExpanding( m_currentRow);
2786          break;
2787         case WXK_END:
2788             if (!IsEmpty())
2789                 OnArrowChar( GetRowCount() - 1, event );
2790             break;
2791
2792         case WXK_HOME:
2793             if (!IsEmpty())
2794                 OnArrowChar( 0, event );
2795             break;
2796
2797         case WXK_PAGEUP:
2798             {
2799                 int steps = pageSize - 1;
2800                 int index = m_currentRow - steps;
2801                 if (index < 0)
2802                     index = 0;
2803
2804                 OnArrowChar( index, event );
2805             }
2806             break;
2807
2808         case WXK_PAGEDOWN:
2809             {
2810                 int steps = pageSize - 1;
2811                 unsigned int index = m_currentRow + steps;
2812                 unsigned int count = GetRowCount();
2813                 if ( index >= count )
2814                     index = count - 1;
2815
2816                 OnArrowChar( index, event );
2817             }
2818             break;
2819
2820         default:
2821             event.Skip();
2822     }
2823 }
2824
2825 void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
2826 {
2827     if (event.GetEventType() == wxEVT_MOUSEWHEEL)
2828     {
2829         // let the base handle mouse wheel events.
2830         event.Skip();
2831         return;
2832     }
2833
2834     int x = event.GetX();
2835     int y = event.GetY();
2836     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
2837     wxDataViewColumn *col = NULL;
2838
2839     int xpos = 0;
2840     unsigned int cols = GetOwner()->GetColumnCount();
2841     unsigned int i;
2842     for (i = 0; i < cols; i++)
2843     {
2844         wxDataViewColumn *c = GetOwner()->GetColumn( i );
2845         if (c->IsHidden())
2846             continue;      // skip it!
2847
2848         if (x < xpos + c->GetWidth())
2849         {
2850             col = c;
2851             break;
2852         }
2853         xpos += c->GetWidth();
2854     }
2855     if (!col)
2856         return;
2857
2858     wxDataViewRenderer *cell = col->GetRenderer();
2859     unsigned int current = GetLineAt( y );
2860     if ((current > GetRowCount()) || (x > GetEndOfLastCol()))
2861     {
2862         // Unselect all if below the last row ?
2863         return;
2864     }
2865
2866     //Test whether the mouse is hovered on the tree item button
2867     bool hover = false;
2868     if ((!IsVirtualList()) && (GetOwner()->GetExpanderColumn() == col))
2869     {
2870         wxDataViewTreeNode * node = GetTreeNodeByRow(current);
2871         if( node!=NULL && node->HasChildren() )
2872         {
2873             int indent = node->GetIndentLevel();
2874             indent = GetOwner()->GetIndent()*indent;
2875             wxRect rect( xpos + indent + EXPANDER_MARGIN,
2876                          GetLineStart( current ) + EXPANDER_MARGIN + (GetLineHeight(current)/2) - (m_lineHeight/2) - EXPANDER_OFFSET,
2877                          m_lineHeight-2*EXPANDER_MARGIN,
2878                          m_lineHeight-2*EXPANDER_MARGIN + EXPANDER_OFFSET);
2879             if( rect.Contains( x, y) )
2880             {
2881                 //So the mouse is over the expander
2882                 hover = true;
2883                 if (m_underMouse && m_underMouse != node)
2884                 {
2885                     //wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
2886                     RefreshRow(GetRowByItem(m_underMouse->GetItem()));
2887                 }
2888                 if (m_underMouse != node)
2889                 {
2890                     //wxLogMessage("Do the row: %d", current);
2891                     RefreshRow(current);
2892                 }
2893                 m_underMouse = node;
2894             }
2895         }
2896         if (node!=NULL && !node->HasChildren())
2897             delete node;
2898     }
2899     if (!hover)
2900     {
2901         if (m_underMouse != NULL)
2902         {
2903             //wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
2904             RefreshRow(GetRowByItem(m_underMouse->GetItem()));
2905             m_underMouse = NULL;
2906         }
2907     }
2908
2909     wxDataViewModel *model = GetOwner()->GetModel();
2910
2911     if (event.Dragging())
2912     {
2913         if (m_dragCount == 0)
2914         {
2915             // we have to report the raw, physical coords as we want to be
2916             // able to call HitTest(event.m_pointDrag) from the user code to
2917             // get the item being dragged
2918             m_dragStart = event.GetPosition();
2919         }
2920
2921         m_dragCount++;
2922
2923         if (m_dragCount != 3)
2924             return;
2925
2926         if (event.LeftIsDown())
2927         {
2928             // Notify cell about drag
2929         }
2930         return;
2931     }
2932     else
2933     {
2934         m_dragCount = 0;
2935     }
2936
2937     bool forceClick = false;
2938
2939     if (event.ButtonDClick())
2940     {
2941         m_renameTimer->Stop();
2942         m_lastOnSame = false;
2943     }
2944
2945     wxDataViewItem item = GetItemByRow(current);
2946     bool ignore_other_columns =
2947         ((GetOwner()->GetExpanderColumn() != col) &&
2948          (model->IsContainer(item)) &&
2949          (!model->HasContainerColumns(item)));
2950
2951     if (event.LeftDClick())
2952     {
2953         if ( current == m_lineLastClicked )
2954         {
2955             if ((!ignore_other_columns) && (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE))
2956             {
2957                 wxVariant value;
2958                 model->GetValue( value, item, col->GetModelColumn() );
2959                 cell->SetValue( value );
2960                 wxRect cell_rect( xpos, GetLineStart( current ),
2961                                   col->GetWidth(), GetLineHeight( current ) );
2962                 cell->Activate( cell_rect, model, item, col->GetModelColumn() );
2963
2964             }
2965             else
2966             {
2967                 wxWindow *parent = GetParent();
2968                 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
2969                 le.SetItem( item );
2970                 le.SetEventObject(parent);
2971                 le.SetModel(GetOwner()->GetModel());
2972
2973                 parent->GetEventHandler()->ProcessEvent(le);
2974             }
2975             return;
2976         }
2977         else
2978         {
2979             // The first click was on another item, so don't interpret this as
2980             // a double click, but as a simple click instead
2981             forceClick = true;
2982         }
2983     }
2984
2985     if (event.LeftUp())
2986     {
2987         if (m_lineSelectSingleOnUp != (unsigned int)-1)
2988         {
2989             // select single line
2990             SelectAllRows( false );
2991             SelectRow( m_lineSelectSingleOnUp, true );
2992         }
2993
2994         //Process the event of user clicking the expander
2995         bool expander = false;
2996         if ((!IsVirtualList()) && (GetOwner()->GetExpanderColumn() == col))
2997         {
2998             wxDataViewTreeNode * node = GetTreeNodeByRow(current);
2999             if( node!=NULL && node->HasChildren() )
3000             {
3001                 int indent = node->GetIndentLevel();
3002                 indent = GetOwner()->GetIndent()*indent;
3003                 wxRect rect( xpos + indent + EXPANDER_MARGIN,
3004                          GetLineStart( current ) + EXPANDER_MARGIN + (GetLineHeight(current)/2) - (m_lineHeight/2) - EXPANDER_OFFSET,
3005                          m_lineHeight-2*EXPANDER_MARGIN,
3006                          m_lineHeight-2*EXPANDER_MARGIN + EXPANDER_OFFSET);
3007
3008                 if( rect.Contains( x, y) )
3009                 {
3010                     expander = true;
3011                     if( node->IsOpen() )
3012                         OnCollapsing(current);
3013                     else
3014                         OnExpanding( current );
3015                 }
3016             }
3017             if (node && !node->HasChildren())
3018                delete node;
3019         }
3020         //If the user click the expander, we do not do editing even if the column with expander are editable
3021         if (m_lastOnSame && !expander && !ignore_other_columns)
3022         {
3023             if ((col == m_currentCol) && (current == m_currentRow) &&
3024                 (cell->GetMode() & wxDATAVIEW_CELL_EDITABLE) )
3025             {
3026                 m_renameTimer->Start( 100, true );
3027             }
3028         }
3029
3030         m_lastOnSame = false;
3031         m_lineSelectSingleOnUp = (unsigned int)-1;
3032     }
3033     else
3034     {
3035         // This is necessary, because after a DnD operation in
3036         // from and to ourself, the up event is swallowed by the
3037         // DnD code. So on next non-up event (which means here and
3038         // now) m_lineSelectSingleOnUp should be reset.
3039         m_lineSelectSingleOnUp = (unsigned int)-1;
3040     }
3041
3042     if (event.RightDown())
3043     {
3044         m_lineBeforeLastClicked = m_lineLastClicked;
3045         m_lineLastClicked = current;
3046
3047         // If the item is already selected, do not update the selection.
3048         // Multi-selections should not be cleared if a selected item is clicked.
3049         if (!IsRowSelected(current))
3050         {
3051             SelectAllRows(false);
3052             ChangeCurrentRow(current);
3053             SelectRow(m_currentRow,true);
3054             SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3055         }
3056
3057         wxVariant value;
3058         model->GetValue( value, item, col->GetModelColumn() );
3059         wxWindow *parent = GetParent();
3060         wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, parent->GetId());
3061         le.SetItem( item );
3062         le.SetEventObject(parent);
3063         le.SetModel(GetOwner()->GetModel());
3064         le.SetValue(value);
3065         parent->GetEventHandler()->ProcessEvent(le);
3066     }
3067     else if (event.MiddleDown())
3068     {
3069     }
3070     if (event.LeftDown() || forceClick)
3071     {
3072         SetFocus();
3073
3074         m_lineBeforeLastClicked = m_lineLastClicked;
3075         m_lineLastClicked = current;
3076
3077         unsigned int oldCurrentRow = m_currentRow;
3078         bool oldWasSelected = IsRowSelected(m_currentRow);
3079
3080         bool cmdModifierDown = event.CmdDown();
3081         if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
3082         {
3083             if ( IsSingleSel() || !IsRowSelected(current) )
3084             {
3085                 SelectAllRows( false );
3086                 ChangeCurrentRow(current);
3087                 SelectRow(m_currentRow,true);
3088                 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3089             }
3090             else // multi sel & current is highlighted & no mod keys
3091             {
3092                 m_lineSelectSingleOnUp = current;
3093                 ChangeCurrentRow(current); // change focus
3094             }
3095         }
3096         else // multi sel & either ctrl or shift is down
3097         {
3098             if (cmdModifierDown)
3099             {
3100                 ChangeCurrentRow(current);
3101                 ReverseRowSelection(m_currentRow);
3102                 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3103             }
3104             else if (event.ShiftDown())
3105             {
3106                 ChangeCurrentRow(current);
3107
3108                 unsigned int lineFrom = oldCurrentRow,
3109                        lineTo = current;
3110
3111                 if ( lineTo < lineFrom )
3112                 {
3113                     lineTo = lineFrom;
3114                     lineFrom = m_currentRow;
3115                 }
3116
3117                 SelectRows(lineFrom, lineTo, true);
3118                 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3119             }
3120             else // !ctrl, !shift
3121             {
3122                 // test in the enclosing if should make it impossible
3123                 wxFAIL_MSG( _T("how did we get here?") );
3124             }
3125         }
3126
3127         if (m_currentRow != oldCurrentRow)
3128             RefreshRow( oldCurrentRow );
3129
3130         wxDataViewColumn *oldCurrentCol = m_currentCol;
3131
3132         // Update selection here...
3133         m_currentCol = col;
3134
3135         m_lastOnSame = !forceClick && ((col == oldCurrentCol) &&
3136                         (current == oldCurrentRow)) && oldWasSelected;
3137
3138         // Call LeftClick after everything else as under GTK+
3139         if (cell->GetMode() & wxDATAVIEW_CELL_ACTIVATABLE)
3140         {
3141             // notify cell about right click
3142             wxVariant value;
3143             model->GetValue( value, item, col->GetModelColumn() );
3144             cell->SetValue( value );
3145             wxRect cell_rect( xpos, GetLineStart( current ),
3146                           col->GetWidth(), GetLineHeight( current ) );
3147             /* ignore ret */ cell->LeftClick( event.GetPosition(), cell_rect, model, item, col->GetModelColumn());
3148         }
3149     }
3150 }
3151
3152 void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
3153 {
3154     m_hasFocus = true;
3155
3156     if (HasCurrentRow())
3157         Refresh();
3158
3159     event.Skip();
3160 }
3161
3162 void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event )
3163 {
3164     m_hasFocus = false;
3165
3166     if (HasCurrentRow())
3167         Refresh();
3168
3169     event.Skip();
3170 }
3171
3172 wxDataViewItem wxDataViewMainWindow::GetSelection() const
3173 {
3174     if( m_selection.GetCount() != 1 )
3175         return wxDataViewItem();
3176
3177     return GetItemByRow( m_selection.Item(0));
3178 }
3179
3180 //-----------------------------------------------------------------------------
3181 // wxDataViewCtrl
3182 //-----------------------------------------------------------------------------
3183 WX_DEFINE_LIST(wxDataViewColumnList)
3184
3185 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
3186
3187 BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
3188     EVT_SIZE(wxDataViewCtrl::OnSize)
3189 END_EVENT_TABLE()
3190
3191 wxDataViewCtrl::~wxDataViewCtrl()
3192 {
3193     if (m_notifier)
3194         GetModel()->RemoveNotifier( m_notifier );
3195
3196     m_cols.Clear();
3197 }
3198
3199 void wxDataViewCtrl::Init()
3200 {
3201     m_cols.DeleteContents(true);
3202     m_notifier = NULL;
3203
3204     // No sorting column at start
3205     m_sortingColumn = NULL;
3206     m_headerArea = NULL;
3207 }
3208
3209 bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
3210            const wxPoint& pos, const wxSize& size,
3211            long style, const wxValidator& validator )
3212 {
3213     if ( (style & wxBORDER_MASK) == 0)
3214         style |= wxBORDER_SUNKEN;
3215
3216     Init();
3217
3218     if (!wxControl::Create( parent, id, pos, size,
3219                             style | wxScrolledWindowStyle, validator))
3220         return false;
3221
3222     SetInitialSize(size);
3223
3224 #ifdef __WXMAC__
3225     MacSetClipChildren( true );
3226 #endif
3227
3228     m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
3229
3230     if (HasFlag(wxDV_NO_HEADER))
3231         m_headerArea = NULL;
3232     else
3233         m_headerArea = new wxDataViewHeaderWindow(this);
3234
3235     SetTargetWindow( m_clientArea );
3236
3237     wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
3238     if (m_headerArea)
3239         sizer->Add( m_headerArea, 0, wxGROW );
3240     sizer->Add( m_clientArea, 1, wxGROW );
3241     SetSizer( sizer );
3242
3243     return true;
3244 }
3245
3246 #ifdef __WXMSW__
3247 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
3248                                        WXWPARAM wParam,
3249                                        WXLPARAM lParam)
3250 {
3251     WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
3252
3253 #ifndef __WXWINCE__
3254     // we need to process arrows ourselves for scrolling
3255     if ( nMsg == WM_GETDLGCODE )
3256     {
3257         rc |= DLGC_WANTARROWS;
3258     }
3259 #endif
3260
3261     return rc;
3262 }
3263 #endif
3264
3265 wxSize wxDataViewCtrl::GetSizeAvailableForScrollTarget(const wxSize& size)
3266 {
3267     wxSize newsize = size;
3268     if (!HasFlag(wxDV_NO_HEADER) && (m_headerArea))
3269        newsize.y -= m_headerArea->GetSize().y;
3270
3271     return newsize;
3272 }
3273
3274 void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) )
3275 {
3276     // We need to override OnSize so that our scrolled
3277     // window a) does call Layout() to use sizers for
3278     // positioning the controls but b) does not query
3279     // the sizer for their size and use that for setting
3280     // the scrollable area as set that ourselves by
3281     // calling SetScrollbar() further down.
3282
3283     Layout();
3284
3285     AdjustScrollbars();
3286 }
3287
3288 void wxDataViewCtrl::SetFocus()
3289 {
3290     if (m_clientArea)
3291         m_clientArea->SetFocus();
3292 }
3293
3294 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
3295 {
3296     if (!wxDataViewCtrlBase::AssociateModel( model ))
3297         return false;
3298
3299     m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
3300
3301     model->AddNotifier( m_notifier );
3302
3303     m_clientArea->DestroyTree();
3304
3305     m_clientArea->BuildTree(model);
3306
3307     m_clientArea->UpdateDisplay();
3308
3309     return true;
3310 }
3311
3312 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
3313 {
3314     if (!wxDataViewCtrlBase::AppendColumn(col))
3315         return false;
3316
3317     m_cols.Append( col );
3318     OnColumnsCountChanged();
3319     return true;
3320 }
3321
3322 bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
3323 {
3324     if (!wxDataViewCtrlBase::PrependColumn(col))
3325         return false;
3326
3327     m_cols.Insert( col );
3328     OnColumnsCountChanged();
3329     return true;
3330 }
3331
3332 bool wxDataViewCtrl::InsertColumn( unsigned int pos, wxDataViewColumn *col )
3333 {
3334     if (!wxDataViewCtrlBase::InsertColumn(pos,col))
3335         return false;
3336
3337     m_cols.Insert( pos, col );
3338     OnColumnsCountChanged();
3339     return true;
3340 }
3341
3342 void wxDataViewCtrl::OnColumnChange(unsigned int idx)
3343 {
3344     if ( m_headerArea )
3345         m_headerArea->UpdateColumn(idx);
3346
3347     m_clientArea->UpdateDisplay();
3348 }
3349
3350 void wxDataViewCtrl::OnColumnsCountChanged()
3351 {
3352     if (m_headerArea)
3353         m_headerArea->SetColumnCount(GetColumnCount());
3354
3355     m_clientArea->UpdateDisplay();
3356 }
3357
3358 void wxDataViewCtrl::DoSetExpanderColumn()
3359 {
3360     m_clientArea->UpdateDisplay();
3361 }
3362
3363 void wxDataViewCtrl::DoSetIndent()
3364 {
3365     m_clientArea->UpdateDisplay();
3366 }
3367
3368 unsigned int wxDataViewCtrl::GetColumnCount() const
3369 {
3370     return m_cols.GetCount();
3371 }
3372
3373 wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int idx ) const
3374 {
3375     return m_cols[idx];
3376 }
3377
3378 void wxDataViewCtrl::ColumnMoved( wxDataViewColumn* col, unsigned int new_pos )
3379 {
3380     if (new_pos > m_cols.GetCount()) return;
3381
3382     // Exchange position
3383     m_cols.DeleteContents(false);
3384     m_cols.DeleteObject( col );
3385     m_cols.Insert( new_pos, col );
3386     m_cols.DeleteContents(true);
3387
3388     m_clientArea->UpdateDisplay();
3389 }
3390
3391 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
3392 {
3393     wxDataViewColumnList::compatibility_iterator ret = m_cols.Find( column );
3394     if (!ret)
3395         return false;
3396
3397     m_cols.Erase(ret);
3398     OnColumnsCountChanged();
3399
3400     return true;
3401 }
3402
3403 bool wxDataViewCtrl::ClearColumns()
3404 {
3405     m_cols.Clear();
3406     OnColumnsCountChanged();
3407     return true;
3408 }
3409
3410 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
3411 {
3412     int ret = 0, dead = 0;
3413     int len = GetColumnCount();
3414     for (int i=0; i<len; i++)
3415     {
3416         wxDataViewColumn * col = GetColumn(i);
3417         if (col->IsHidden())
3418             continue;
3419         ret += col->GetWidth();
3420         if (column==col)
3421         {
3422             CalcScrolledPosition( ret, dead, &ret, &dead );
3423             break;
3424         }
3425     }
3426     return ret;
3427 }
3428
3429 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
3430 {
3431     return NULL;
3432 }
3433
3434 //Selection code with wxDataViewItem as parameters
3435 wxDataViewItem wxDataViewCtrl::GetSelection() const
3436 {
3437     return m_clientArea->GetSelection();
3438 }
3439
3440 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
3441 {
3442     sel.Empty();
3443     wxDataViewSelection selection = m_clientArea->GetSelections();
3444     int len = selection.GetCount();
3445     for( int i = 0; i < len; i ++)
3446     {
3447         unsigned int row = selection[i];
3448         sel.Add( m_clientArea->GetItemByRow( row ) );
3449     }
3450     return len;
3451 }
3452
3453 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
3454 {
3455     wxDataViewSelection selection(wxDataViewSelectionCmp);
3456     int len = sel.GetCount();
3457     for( int i = 0; i < len; i ++ )
3458     {
3459         int row = m_clientArea->GetRowByItem( sel[i] );
3460         if( row >= 0 )
3461             selection.Add( static_cast<unsigned int>(row) );
3462     }
3463     m_clientArea->SetSelections( selection );
3464 }
3465
3466 void wxDataViewCtrl::Select( const wxDataViewItem & item )
3467 {
3468     int row = m_clientArea->GetRowByItem( item );
3469     if( row >= 0 )
3470     {
3471         //Unselect all rows before select another in the single select mode
3472         if (m_clientArea->IsSingleSel())
3473             m_clientArea->SelectAllRows(false);
3474         m_clientArea->SelectRow(row, true);
3475     }
3476 }
3477
3478 void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
3479 {
3480     int row = m_clientArea->GetRowByItem( item );
3481     if( row >= 0 )
3482         m_clientArea->SelectRow(row, false);
3483 }
3484
3485 bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
3486 {
3487     int row = m_clientArea->GetRowByItem( item );
3488     if( row >= 0 )
3489     {
3490         return m_clientArea->IsRowSelected(row);
3491     }
3492     return false;
3493 }
3494
3495 //Selection code with row number as parameter
3496 int wxDataViewCtrl::GetSelections( wxArrayInt & sel ) const
3497 {
3498     sel.Empty();
3499     wxDataViewSelection selection = m_clientArea->GetSelections();
3500     int len = selection.GetCount();
3501     for( int i = 0; i < len; i ++)
3502     {
3503         unsigned int row = selection[i];
3504         sel.Add( row );
3505     }
3506     return len;
3507 }
3508
3509 void wxDataViewCtrl::SetSelections( const wxArrayInt & sel )
3510 {
3511     wxDataViewSelection selection(wxDataViewSelectionCmp);
3512     int len = sel.GetCount();
3513     for( int i = 0; i < len; i ++ )
3514     {
3515         int row = sel[i];
3516         if( row >= 0 )
3517             selection.Add( static_cast<unsigned int>(row) );
3518     }
3519     m_clientArea->SetSelections( selection );
3520 }
3521
3522 void wxDataViewCtrl::Select( int row )
3523 {
3524     if( row >= 0 )
3525     {
3526         if (m_clientArea->IsSingleSel())
3527             m_clientArea->SelectAllRows(false);
3528         m_clientArea->SelectRow( row, true );
3529     }
3530 }
3531
3532 void wxDataViewCtrl::Unselect( int row )
3533 {
3534     if( row >= 0 )
3535         m_clientArea->SelectRow(row, false);
3536 }
3537
3538 bool wxDataViewCtrl::IsSelected( int row ) const
3539 {
3540     if( row >= 0 )
3541         return m_clientArea->IsRowSelected(row);
3542     return false;
3543 }
3544
3545 void wxDataViewCtrl::SelectRange( int from, int to )
3546 {
3547     wxArrayInt sel;
3548     for( int i = from; i < to; i ++ )
3549         sel.Add( i );
3550     m_clientArea->Select(sel);
3551 }
3552
3553 void wxDataViewCtrl::UnselectRange( int from, int to )
3554 {
3555     wxDataViewSelection sel = m_clientArea->GetSelections();
3556     for( int i = from; i < to; i ++ )
3557         if( sel.Index( i ) != wxNOT_FOUND )
3558             sel.Remove( i );
3559     m_clientArea->SetSelections(sel);
3560 }
3561
3562 void wxDataViewCtrl::SelectAll()
3563 {
3564     m_clientArea->SelectAllRows(true);
3565 }
3566
3567 void wxDataViewCtrl::UnselectAll()
3568 {
3569     m_clientArea->SelectAllRows(false);
3570 }
3571
3572 void wxDataViewCtrl::EnsureVisible( int row, int column )
3573 {
3574     if( row < 0 )
3575         row = 0;
3576     if( row > (int) m_clientArea->GetRowCount() )
3577         row = m_clientArea->GetRowCount();
3578
3579     int first = m_clientArea->GetFirstVisibleRow();
3580     int last = m_clientArea->GetLastVisibleRow();
3581     if( row < first )
3582         m_clientArea->ScrollTo( row, column );
3583     else if( row > last )
3584         m_clientArea->ScrollTo( row - last + first, column );
3585     else
3586         m_clientArea->ScrollTo( first, column );
3587 }
3588
3589 void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
3590 {
3591     int row = m_clientArea->GetRowByItem(item);
3592     if( row >= 0 )
3593     {
3594         if( column == NULL )
3595             EnsureVisible(row, -1);
3596         else
3597         {
3598             int col = 0;
3599             int len = GetColumnCount();
3600             for( int i = 0; i < len; i ++ )
3601                 if( GetColumn(i) == column )
3602                 {
3603                     col = i;
3604                     break;
3605                 }
3606             EnsureVisible( row, col );
3607         }
3608     }
3609
3610 }
3611
3612 void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column ) const
3613 {
3614     m_clientArea->HitTest(point, item, column);
3615 }
3616
3617 wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column ) const
3618 {
3619     return m_clientArea->GetItemRect(item, column);
3620 }
3621
3622 wxDataViewItem wxDataViewCtrl::GetItemByRow( unsigned int row ) const
3623 {
3624     return m_clientArea->GetItemByRow( row );
3625 }
3626
3627 int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const
3628 {
3629     return m_clientArea->GetRowByItem( item );
3630 }
3631
3632 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
3633 {
3634     int row = m_clientArea->GetRowByItem( item );
3635     if (row != -1)
3636         m_clientArea->Expand(row);
3637 }
3638
3639 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
3640 {
3641     int row = m_clientArea->GetRowByItem( item );
3642     if (row != -1)
3643         m_clientArea->Collapse(row);
3644 }
3645
3646  #endif
3647     // !wxUSE_GENERICDATAVIEWCTRL
3648
3649 #endif
3650     // wxUSE_DATAVIEWCTRL