src/generic/datavgen.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/generic/datavgen.cpp
   3 // Purpose:     wxDataViewCtrl generic implementation
   4 // Author:      Robert Roebling
   5 // Modified by: Francesco Montorsi, Guru Kathiresan, Bo Yang
   6 // Id:          $Id$
   7 // Copyright:   (c) 1998 Robert Roebling
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #if wxUSE_DATAVIEWCTRL
  19
  20 #include "wx/dataview.h"
  21
  22 #ifdef wxUSE_GENERICDATAVIEWCTRL
  23
  24 #ifndef WX_PRECOMP
  25     #ifdef __WXMSW__
  26         #include "wx/msw/private.h"
  27         #include "wx/msw/wrapwin.h"
  28         #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
  29     #endif
  30     #include "wx/sizer.h"
  31     #include "wx/log.h"
  32     #include "wx/dcclient.h"
  33     #include "wx/timer.h"
  34     #include "wx/settings.h"
  35     #include "wx/msgdlg.h"
  36     #include "wx/dcscreen.h"
  37     #include "wx/frame.h"
  38 #endif
  39
  40 #include "wx/stockitem.h"
  41 #include "wx/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 #include "wx/dnd.h"
  50 #include "wx/stopwatch.h"
  51 #include "wx/weakref.h"
  52
  53 //-----------------------------------------------------------------------------
  54 // classes
  55 //-----------------------------------------------------------------------------
  56
  57 class wxDataViewColumn;
  58 class wxDataViewHeaderWindow;
  59 class wxDataViewCtrl;
  60
  61 //-----------------------------------------------------------------------------
  62 // classes
  63 //-----------------------------------------------------------------------------
  64
  65 static const int SCROLL_UNIT_X = 15;
  66
  67 // the cell padding on the left/right
  68 static const int PADDING_RIGHTLEFT = 3;
  69
  70 // the expander space margin
  71 static const int EXPANDER_MARGIN = 4;
  72
  73 #ifdef __WXMSW__
  74 static const int EXPANDER_OFFSET = 4;
  75 #else
  76 static const int EXPANDER_OFFSET = 1;
  77 #endif
  78
  79 // Below is the compare stuff.
  80 // For the generic implementation, both the leaf nodes and the nodes are sorted for
  81 // fast search when needed
  82 static wxDataViewModel* g_model;
  83 static int g_column = -2;
  84 static bool g_asending = true;
  85
  86 // ----------------------------------------------------------------------------
  87 // helper functions
  88 // ----------------------------------------------------------------------------
  89
  90 namespace
  91 {
  92
  93 // Return the expander column or, if it is not set, the first column and also
  94 // set it as the expander one for the future.
  95 wxDataViewColumn* GetExpanderColumnOrFirstOne(wxDataViewCtrl* dataview)
  96 {
  97     wxDataViewColumn* expander = dataview->GetExpanderColumn();
  98     if (!expander)
  99     {
 100         // TODO-RTL: last column for RTL support
 101         expander = dataview->GetColumnAt( 0 );
 102         dataview->SetExpanderColumn(expander);
 103     }
 104
 105     return expander;
 106 }
 107
 108 } // anonymous namespace
 109
 110 //-----------------------------------------------------------------------------
 111 // wxDataViewColumn
 112 //-----------------------------------------------------------------------------
 113
 114 void wxDataViewColumn::Init(int width, wxAlignment align, int flags)
 115 {
 116     m_width = width;
 117     m_minWidth = 0;
 118     m_align = align;
 119     m_flags = flags;
 120     m_sort = false;
 121     m_sortAscending = true;
 122 }
 123
 124 int wxDataViewColumn::GetWidth() const
 125 {
 126     switch ( m_width )
 127     {
 128         case wxCOL_WIDTH_DEFAULT:
 129             return wxDVC_DEFAULT_WIDTH;
 130
 131         case wxCOL_WIDTH_AUTOSIZE:
 132             wxCHECK_MSG( m_owner, wxDVC_DEFAULT_WIDTH, "no owner control" );
 133             return m_owner->GetBestColumnWidth(m_owner->GetColumnIndex(this));
 134
 135         default:
 136             return m_width;
 137     }
 138 }
 139
 140 void wxDataViewColumn::UpdateDisplay()
 141 {
 142     if (m_owner)
 143     {
 144         int idx = m_owner->GetColumnIndex( this );
 145         m_owner->OnColumnChange( idx );
 146     }
 147 }
 148
 149 void wxDataViewColumn::SetSortOrder(bool ascending)
 150 {
 151     if ( !m_owner )
 152         return;
 153
 154     // First unset the old sort column if any.
 155     int oldSortKey = m_owner->GetSortingColumnIndex();
 156     if ( oldSortKey != wxNOT_FOUND )
 157     {
 158         m_owner->GetColumn(oldSortKey)->UnsetAsSortKey();
 159     }
 160
 161     // Now set this one as the new sort column.
 162     const int idx = m_owner->GetColumnIndex(this);
 163     m_owner->SetSortingColumnIndex(idx);
 164
 165     m_sort = true;
 166     m_sortAscending = ascending;
 167
 168     // Call this directly instead of using UpdateDisplay() as we already have
 169     // the column index, no need to look it up again.
 170     m_owner->OnColumnChange(idx);
 171 }
 172
 173 //-----------------------------------------------------------------------------
 174 // wxDataViewHeaderWindow
 175 //-----------------------------------------------------------------------------
 176
 177 class wxDataViewHeaderWindow : public wxHeaderCtrl
 178 {
 179 public:
 180     wxDataViewHeaderWindow(wxDataViewCtrl *parent)
 181         : wxHeaderCtrl(parent)
 182     {
 183     }
 184
 185     wxDataViewCtrl *GetOwner() const
 186         { return static_cast<wxDataViewCtrl *>(GetParent()); }
 187
 188 protected:
 189     // implement/override wxHeaderCtrl functions by forwarding them to the main
 190     // control
 191     virtual const wxHeaderColumn& GetColumn(unsigned int idx) const
 192     {
 193         return *(GetOwner()->GetColumn(idx));
 194     }
 195
 196     virtual bool UpdateColumnWidthToFit(unsigned int idx, int widthTitle)
 197     {
 198         wxDataViewCtrl * const owner = GetOwner();
 199
 200         int widthContents = owner->GetBestColumnWidth(idx);
 201         owner->GetColumn(idx)->SetWidth(wxMax(widthTitle, widthContents));
 202         owner->OnColumnChange(idx);
 203
 204         return true;
 205     }
 206
 207 private:
 208     bool SendEvent(wxEventType type, unsigned int n)
 209     {
 210         wxDataViewCtrl * const owner = GetOwner();
 211         wxDataViewEvent event(type, owner->GetId());
 212
 213         event.SetEventObject(owner);
 214         event.SetColumn(n);
 215         event.SetDataViewColumn(owner->GetColumn(n));
 216         event.SetModel(owner->GetModel());
 217
 218         // for events created by wxDataViewHeaderWindow the
 219         // row / value fields are not valid
 220         return owner->ProcessWindowEvent(event);
 221     }
 222
 223     void OnClick(wxHeaderCtrlEvent& event)
 224     {
 225         const unsigned idx = event.GetColumn();
 226
 227         if ( SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, idx) )
 228             return;
 229
 230         // default handling for the column click is to sort by this column or
 231         // toggle its sort order
 232         wxDataViewCtrl * const owner = GetOwner();
 233         wxDataViewColumn * const col = owner->GetColumn(idx);
 234         if ( !col->IsSortable() )
 235         {
 236             // no default handling for non-sortable columns
 237             event.Skip();
 238             return;
 239         }
 240
 241         if ( col->IsSortKey() )
 242         {
 243             // already using this column for sorting, just change the order
 244             col->ToggleSortOrder();
 245         }
 246         else // not using this column for sorting yet
 247         {
 248             col->SetSortOrder(true);
 249         }
 250
 251         wxDataViewModel * const model = owner->GetModel();
 252         if ( model )
 253             model->Resort();
 254
 255         owner->OnColumnChange(idx);
 256
 257         SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED, idx);
 258     }
 259
 260     void OnRClick(wxHeaderCtrlEvent& event)
 261     {
 262         if ( !SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK,
 263                         event.GetColumn()) )
 264             event.Skip();
 265     }
 266
 267     void OnResize(wxHeaderCtrlEvent& event)
 268     {
 269         wxDataViewCtrl * const owner = GetOwner();
 270
 271         const unsigned col = event.GetColumn();
 272         owner->GetColumn(col)->SetWidth(event.GetWidth());
 273         GetOwner()->OnColumnChange(col);
 274     }
 275
 276     void OnEndReorder(wxHeaderCtrlEvent& event)
 277     {
 278         wxDataViewCtrl * const owner = GetOwner();
 279         owner->ColumnMoved(owner->GetColumn(event.GetColumn()),
 280                         event.GetNewOrder());
 281     }
 282
 283     DECLARE_EVENT_TABLE()
 284     wxDECLARE_NO_COPY_CLASS(wxDataViewHeaderWindow);
 285 };
 286
 287 BEGIN_EVENT_TABLE(wxDataViewHeaderWindow, wxHeaderCtrl)
 288     EVT_HEADER_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnClick)
 289     EVT_HEADER_RIGHT_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnRClick)
 290
 291     EVT_HEADER_RESIZING(wxID_ANY, wxDataViewHeaderWindow::OnResize)
 292     EVT_HEADER_END_RESIZE(wxID_ANY, wxDataViewHeaderWindow::OnResize)
 293
 294     EVT_HEADER_END_REORDER(wxID_ANY, wxDataViewHeaderWindow::OnEndReorder)
 295 END_EVENT_TABLE()
 296
 297 //-----------------------------------------------------------------------------
 298 // wxDataViewRenameTimer
 299 //-----------------------------------------------------------------------------
 300
 301 class wxDataViewRenameTimer: public wxTimer
 302 {
 303 private:
 304     wxDataViewMainWindow *m_owner;
 305
 306 public:
 307     wxDataViewRenameTimer( wxDataViewMainWindow *owner );
 308     void Notify();
 309 };
 310
 311 //-----------------------------------------------------------------------------
 312 // wxDataViewTreeNode
 313 //-----------------------------------------------------------------------------
 314
 315 class wxDataViewTreeNode;
 316 WX_DEFINE_ARRAY( wxDataViewTreeNode *, wxDataViewTreeNodes );
 317
 318 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1,
 319                                            wxDataViewTreeNode ** node2);
 320
 321 class wxDataViewTreeNode
 322 {
 323 public:
 324     wxDataViewTreeNode(wxDataViewTreeNode *parent, const wxDataViewItem& item)
 325         : m_parent(parent),
 326           m_item(item),
 327           m_branchData(NULL)
 328     {
 329     }
 330
 331     ~wxDataViewTreeNode()
 332     {
 333         if ( m_branchData )
 334         {
 335             wxDataViewTreeNodes& nodes = m_branchData->children;
 336             for ( wxDataViewTreeNodes::iterator i = nodes.begin();
 337                   i != nodes.end();
 338                   ++i )
 339             {
 340                 delete *i;
 341             }
 342
 343             delete m_branchData;
 344         }
 345     }
 346
 347     static wxDataViewTreeNode* CreateRootNode()
 348     {
 349         wxDataViewTreeNode *n = new wxDataViewTreeNode(NULL, wxDataViewItem());
 350         n->SetHasChildren(true);
 351         n->m_branchData->open = true;
 352         return n;
 353     }
 354
 355     wxDataViewTreeNode * GetParent() const { return m_parent; }
 356
 357     const wxDataViewTreeNodes& GetChildNodes() const
 358     {
 359         wxASSERT( m_branchData != NULL );
 360         return m_branchData->children;
 361     }
 362
 363     void InsertChild(wxDataViewTreeNode *node, unsigned index)
 364     {
 365         if ( !m_branchData )
 366             m_branchData = new BranchNodeData;
 367
 368         m_branchData->children.Insert(node, index);
 369
 370         // TODO: insert into sorted array directly in O(log n) instead of resorting in O(n log n)
 371         if (g_column >= -1)
 372             m_branchData->children.Sort( &wxGenericTreeModelNodeCmp );
 373     }
 374
 375     void RemoveChild(wxDataViewTreeNode *node)
 376     {
 377         wxCHECK_RET( m_branchData != NULL, "leaf node doesn't have children" );
 378         m_branchData->children.Remove(node);
 379     }
 380
 381     // returns position of child node for given item in children list or wxNOT_FOUND
 382     int FindChildByItem(const wxDataViewItem& item) const
 383     {
 384         if ( !m_branchData )
 385             return wxNOT_FOUND;
 386
 387         const wxDataViewTreeNodes& nodes = m_branchData->children;
 388         const int len = nodes.size();
 389         for ( int i = 0; i < len; i++ )
 390         {
 391             if ( nodes[i]->m_item == item )
 392                 return i;
 393         }
 394         return wxNOT_FOUND;
 395     }
 396
 397     const wxDataViewItem & GetItem() const { return m_item; }
 398     void SetItem( const wxDataViewItem & item ) { m_item = item; }
 399
 400     int GetIndentLevel() const
 401     {
 402         int ret = 0;
 403         const wxDataViewTreeNode * node = this;
 404         while( node->GetParent()->GetParent() != NULL )
 405         {
 406             node = node->GetParent();
 407             ret ++;
 408         }
 409         return ret;
 410     }
 411
 412     bool IsOpen() const
 413     {
 414         return m_branchData && m_branchData->open;
 415     }
 416
 417     void ToggleOpen()
 418     {
 419         wxCHECK_RET( m_branchData != NULL, "can't open leaf node" );
 420
 421         int sum = 0;
 422
 423         const wxDataViewTreeNodes& nodes = m_branchData->children;
 424         const int len = nodes.GetCount();
 425         for ( int i = 0;i < len; i ++)
 426             sum += 1 + nodes[i]->GetSubTreeCount();
 427
 428         if (m_branchData->open)
 429         {
 430             ChangeSubTreeCount(-sum);
 431             m_branchData->open = !m_branchData->open;
 432         }
 433         else
 434         {
 435             m_branchData->open = !m_branchData->open;
 436             ChangeSubTreeCount(+sum);
 437         }
 438     }
 439
 440     // "HasChildren" property corresponds to model's IsContainer(). Note that it may be true
 441     // even if GetChildNodes() is empty; see below.
 442     bool HasChildren() const
 443     {
 444         return m_branchData != NULL;
 445     }
 446
 447     void SetHasChildren(bool has)
 448     {
 449         if ( !has )
 450         {
 451             wxDELETE(m_branchData);
 452         }
 453         else if ( m_branchData == NULL )
 454         {
 455             m_branchData = new BranchNodeData;
 456         }
 457     }
 458
 459     int GetSubTreeCount() const
 460     {
 461         return m_branchData ? m_branchData->subTreeCount : 0;
 462     }
 463
 464     void ChangeSubTreeCount( int num )
 465     {
 466         wxASSERT( m_branchData != NULL );
 467
 468         if( !m_branchData->open )
 469             return;
 470
 471         m_branchData->subTreeCount += num;
 472         wxASSERT( m_branchData->subTreeCount >= 0 );
 473
 474         if( m_parent )
 475             m_parent->ChangeSubTreeCount(num);
 476     }
 477
 478     void Resort()
 479     {
 480         if ( !m_branchData )
 481             return;
 482
 483         if (g_column >= -1)
 484         {
 485             wxDataViewTreeNodes& nodes = m_branchData->children;
 486
 487             nodes.Sort( &wxGenericTreeModelNodeCmp );
 488             int len = nodes.GetCount();
 489             for (int i = 0; i < len; i ++)
 490             {
 491                 if ( nodes[i]->HasChildren() )
 492                     nodes[i]->Resort();
 493             }
 494         }
 495     }
 496
 497
 498 private:
 499     wxDataViewTreeNode  *m_parent;
 500
 501     // Corresponding model item.
 502     wxDataViewItem       m_item;
 503
 504     // Data specific to non-leaf (branch, inner) nodes. They are kept in a
 505     // separate struct in order to conserve memory.
 506     struct BranchNodeData
 507     {
 508         BranchNodeData()
 509             : open(false),
 510               subTreeCount(0)
 511         {
 512         }
 513
 514         // Child nodes. Note that this may be empty even if m_hasChildren in
 515         // case this branch of the tree wasn't expanded and realized yet.
 516         wxDataViewTreeNodes  children;
 517
 518         // Is the branch node currently open (expanded)?
 519         bool                 open;
 520
 521         // Total count of expanded (i.e. visible with the help of some
 522         // scrolling) items in the subtree, but excluding this node. I.e. it is
 523         // 0 for leaves and is the number of rows the subtree occupies for
 524         // branch nodes.
 525         int                  subTreeCount;
 526     };
 527
 528     BranchNodeData *m_branchData;
 529 };
 530
 531
 532 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1,
 533                                            wxDataViewTreeNode ** node2)
 534 {
 535     return g_model->Compare( (*node1)->GetItem(), (*node2)->GetItem(), g_column, g_asending );
 536 }
 537
 538
 539 //-----------------------------------------------------------------------------
 540 // wxDataViewMainWindow
 541 //-----------------------------------------------------------------------------
 542
 543 WX_DEFINE_SORTED_ARRAY_SIZE_T(unsigned int, wxDataViewSelection);
 544
 545 class wxDataViewMainWindow: public wxWindow
 546 {
 547 public:
 548     wxDataViewMainWindow( wxDataViewCtrl *parent,
 549                             wxWindowID id,
 550                             const wxPoint &pos = wxDefaultPosition,
 551                             const wxSize &size = wxDefaultSize,
 552                             const wxString &name = wxT("wxdataviewctrlmainwindow") );
 553     virtual ~wxDataViewMainWindow();
 554
 555     bool IsList() const { return GetModel()->IsListModel(); }
 556     bool IsVirtualList() const { return m_root == NULL; }
 557
 558     // notifications from wxDataViewModel
 559     bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
 560     bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
 561     bool ItemChanged( const wxDataViewItem &item );
 562     bool ValueChanged( const wxDataViewItem &item, unsigned int model_column );
 563     bool Cleared();
 564     void Resort()
 565     {
 566         if (!IsVirtualList())
 567         {
 568             SortPrepare();
 569             m_root->Resort();
 570         }
 571         UpdateDisplay();
 572     }
 573
 574     void SortPrepare()
 575     {
 576         g_model = GetModel();
 577         wxDataViewColumn* col = GetOwner()->GetSortingColumn();
 578         if( !col )
 579         {
 580             if (g_model->HasDefaultCompare())
 581                 g_column = -1;
 582             else
 583                 g_column = -2;
 584
 585             g_asending = true;
 586             return;
 587         }
 588         g_column = col->GetModelColumn();
 589         g_asending = col->IsSortOrderAscending();
 590     }
 591
 592     void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
 593     wxDataViewCtrl *GetOwner() { return m_owner; }
 594     const wxDataViewCtrl *GetOwner() const { return m_owner; }
 595
 596     wxDataViewModel* GetModel() { return GetOwner()->GetModel(); }
 597     const wxDataViewModel* GetModel() const { return GetOwner()->GetModel(); }
 598
 599 #if wxUSE_DRAG_AND_DROP
 600     wxBitmap CreateItemBitmap( unsigned int row, int &indent );
 601 #endif // wxUSE_DRAG_AND_DROP
 602     void OnPaint( wxPaintEvent &event );
 603     void OnCharHook( wxKeyEvent &event );
 604     void OnChar( wxKeyEvent &event );
 605     void OnVerticalNavigation(unsigned int newCurrent, const wxKeyEvent& event);
 606     void OnLeftKey();
 607     void OnRightKey();
 608     void OnMouse( wxMouseEvent &event );
 609     void OnSetFocus( wxFocusEvent &event );
 610     void OnKillFocus( wxFocusEvent &event );
 611
 612     void UpdateDisplay();
 613     void RecalculateDisplay();
 614     void OnInternalIdle();
 615
 616     void OnRenameTimer();
 617
 618     void ScrollWindow( int dx, int dy, const wxRect *rect = NULL );
 619     void ScrollTo( int rows, int column );
 620
 621     unsigned GetCurrentRow() const { return m_currentRow; }
 622     bool HasCurrentRow() { return m_currentRow != (unsigned int)-1; }
 623     void ChangeCurrentRow( unsigned int row );
 624     bool TryAdvanceCurrentColumn(wxDataViewTreeNode *node, bool forward);
 625
 626     bool IsSingleSel() const { return !GetParent()->HasFlag(wxDV_MULTIPLE); }
 627     bool IsEmpty() { return GetRowCount() == 0; }
 628
 629     int GetCountPerPage() const;
 630     int GetEndOfLastCol() const;
 631     unsigned int GetFirstVisibleRow() const;
 632
 633     // I change this method to un const because in the tree view,
 634     // the displaying number of the tree are changing along with the
 635     // expanding/collapsing of the tree nodes
 636     unsigned int GetLastVisibleRow();
 637     unsigned int GetRowCount();
 638
 639     const wxDataViewSelection& GetSelections() const { return m_selection; }
 640     void SetSelections( const wxDataViewSelection & sel )
 641         { m_selection = sel; UpdateDisplay(); }
 642     void Select( const wxArrayInt& aSelections );
 643     void SelectAllRows( bool on );
 644     void SelectRow( unsigned int row, bool on );
 645     void SelectRows( unsigned int from, unsigned int to, bool on );
 646     void ReverseRowSelection( unsigned int row );
 647     bool IsRowSelected( unsigned int row );
 648     void SendSelectionChangedEvent( const wxDataViewItem& item);
 649
 650     void RefreshRow( unsigned int row );
 651     void RefreshRows( unsigned int from, unsigned int to );
 652     void RefreshRowsAfter( unsigned int firstRow );
 653
 654     // returns the colour to be used for drawing the rules
 655     wxColour GetRuleColour() const
 656     {
 657         return wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
 658     }
 659
 660     wxRect GetLineRect( unsigned int row ) const;
 661
 662     int GetLineStart( unsigned int row ) const;  // row * m_lineHeight in fixed mode
 663     int GetLineHeight( unsigned int row ) const; // m_lineHeight in fixed mode
 664     int GetLineAt( unsigned int y ) const;       // y / m_lineHeight in fixed mode
 665
 666     void SetRowHeight( int lineHeight ) { m_lineHeight = lineHeight; }
 667     int GetRowHeight() const { return m_lineHeight; }
 668
 669     // Some useful functions for row and item mapping
 670     wxDataViewItem GetItemByRow( unsigned int row ) const;
 671     int GetRowByItem( const wxDataViewItem & item ) const;
 672
 673     wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row ) const;
 674     // We did not need this temporarily
 675     // wxDataViewTreeNode * GetTreeNodeByItem( const wxDataViewItem & item );
 676
 677     // Methods for building the mapping tree
 678     void BuildTree( wxDataViewModel  * model );
 679     void DestroyTree();
 680     void HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column );
 681     wxRect GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column );
 682
 683     void Expand( unsigned int row );
 684     void Collapse( unsigned int row );
 685     bool IsExpanded( unsigned int row ) const;
 686     bool HasChildren( unsigned int row ) const;
 687
 688 #if wxUSE_DRAG_AND_DROP
 689     bool EnableDragSource( const wxDataFormat &format );
 690     bool EnableDropTarget( const wxDataFormat &format );
 691
 692     void RemoveDropHint();
 693     wxDragResult OnDragOver( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def );
 694     bool OnDrop( wxDataFormat format, wxCoord x, wxCoord y );
 695     wxDragResult OnData( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def );
 696     void OnLeave();
 697 #endif // wxUSE_DRAG_AND_DROP
 698
 699     void OnColumnsCountChanged();
 700
 701     // Called by wxDataViewCtrl and our own OnRenameTimer() to start edit the
 702     // specified item in the given column.
 703     void StartEditing(const wxDataViewItem& item, const wxDataViewColumn* col);
 704
 705 private:
 706     int RecalculateCount();
 707
 708     // Return false only if the event was vetoed by its handler.
 709     bool SendExpanderEvent(wxEventType type, const wxDataViewItem& item);
 710
 711     wxDataViewTreeNode * FindNode( const wxDataViewItem & item );
 712
 713     wxDataViewColumn *FindColumnForEditing(const wxDataViewItem& item, wxDataViewCellMode mode);
 714
 715     bool IsCellEditableInMode(const wxDataViewItem& item, const wxDataViewColumn *col, wxDataViewCellMode mode) const;
 716
 717     void DrawCellBackground( wxDataViewRenderer* cell, wxDC& dc, const wxRect& rect );
 718
 719 private:
 720     wxDataViewCtrl             *m_owner;
 721     int                         m_lineHeight;
 722     bool                        m_dirty;
 723
 724     wxDataViewColumn           *m_currentCol;
 725     unsigned int                m_currentRow;
 726     wxDataViewSelection         m_selection;
 727
 728     wxDataViewRenameTimer      *m_renameTimer;
 729     bool                        m_lastOnSame;
 730
 731     bool                        m_hasFocus;
 732     bool                        m_useCellFocus;
 733     bool                        m_currentColSetByKeyboard;
 734
 735 #if wxUSE_DRAG_AND_DROP
 736     int                         m_dragCount;
 737     wxPoint                     m_dragStart;
 738
 739     bool                        m_dragEnabled;
 740     wxDataFormat                m_dragFormat;
 741
 742     bool                        m_dropEnabled;
 743     wxDataFormat                m_dropFormat;
 744     bool                        m_dropHint;
 745     unsigned int                m_dropHintLine;
 746 #endif // wxUSE_DRAG_AND_DROP
 747
 748     // for double click logic
 749     unsigned int m_lineLastClicked,
 750         m_lineBeforeLastClicked,
 751         m_lineSelectSingleOnUp;
 752
 753     // the pen used to draw horiz/vertical rules
 754     wxPen m_penRule;
 755
 756     // the pen used to draw the expander and the lines
 757     wxPen m_penExpander;
 758
 759     // This is the tree structure of the model
 760     wxDataViewTreeNode * m_root;
 761     int m_count;
 762
 763     // This is the tree node under the cursor
 764     wxDataViewTreeNode * m_underMouse;
 765
 766     // The control used for editing or NULL.
 767     wxWeakRef<wxWindow> m_editorCtrl;
 768
 769     // Id m_editorCtrl is non-NULL, pointer to the associated renderer.
 770     wxDataViewRenderer* m_editorRenderer;
 771
 772 private:
 773     DECLARE_DYNAMIC_CLASS(wxDataViewMainWindow)
 774     DECLARE_EVENT_TABLE()
 775 };
 776
 777 // ---------------------------------------------------------
 778 // wxGenericDataViewModelNotifier
 779 // ---------------------------------------------------------
 780
 781 class wxGenericDataViewModelNotifier: public wxDataViewModelNotifier
 782 {
 783 public:
 784     wxGenericDataViewModelNotifier( wxDataViewMainWindow *mainWindow )
 785         { m_mainWindow = mainWindow; }
 786
 787     virtual bool ItemAdded( const wxDataViewItem & parent, const wxDataViewItem & item )
 788         { return m_mainWindow->ItemAdded( parent , item ); }
 789     virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
 790         { return m_mainWindow->ItemDeleted( parent, item ); }
 791     virtual bool ItemChanged( const wxDataViewItem & item )
 792         { return m_mainWindow->ItemChanged(item);  }
 793     virtual bool ValueChanged( const wxDataViewItem & item , unsigned int col )
 794         { return m_mainWindow->ValueChanged( item, col ); }
 795     virtual bool Cleared()
 796         { return m_mainWindow->Cleared(); }
 797     virtual void Resort()
 798         { m_mainWindow->Resort(); }
 799
 800     wxDataViewMainWindow    *m_mainWindow;
 801 };
 802
 803 // ---------------------------------------------------------
 804 // wxDataViewRenderer
 805 // ---------------------------------------------------------
 806
 807 IMPLEMENT_ABSTRACT_CLASS(wxDataViewRenderer, wxDataViewRendererBase)
 808
 809 wxDataViewRenderer::wxDataViewRenderer( const wxString &varianttype,
 810                                         wxDataViewCellMode mode,
 811                                         int align) :
 812     wxDataViewCustomRendererBase( varianttype, mode, align )
 813 {
 814     m_align = align;
 815     m_mode = mode;
 816     m_ellipsizeMode = wxELLIPSIZE_MIDDLE;
 817     m_dc = NULL;
 818 }
 819
 820 wxDataViewRenderer::~wxDataViewRenderer()
 821 {
 822     delete m_dc;
 823 }
 824
 825 wxDC *wxDataViewRenderer::GetDC()
 826 {
 827     if (m_dc == NULL)
 828     {
 829         if (GetOwner() == NULL)
 830             return NULL;
 831         if (GetOwner()->GetOwner() == NULL)
 832             return NULL;
 833         m_dc = new wxClientDC( GetOwner()->GetOwner() );
 834     }
 835
 836     return m_dc;
 837 }
 838
 839 void wxDataViewRenderer::SetAlignment( int align )
 840 {
 841     m_align=align;
 842 }
 843
 844 int wxDataViewRenderer::GetAlignment() const
 845 {
 846     return m_align;
 847 }
 848
 849 // ---------------------------------------------------------
 850 // wxDataViewCustomRenderer
 851 // ---------------------------------------------------------
 852
 853 IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
 854
 855 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
 856                         wxDataViewCellMode mode, int align ) :
 857     wxDataViewRenderer( varianttype, mode, align )
 858 {
 859 }
 860
 861 // ---------------------------------------------------------
 862 // wxDataViewTextRenderer
 863 // ---------------------------------------------------------
 864
 865 IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewRenderer)
 866
 867 wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype,
 868                                                 wxDataViewCellMode mode, int align ) :
 869     wxDataViewRenderer( varianttype, mode, align )
 870 {
 871 }
 872
 873 bool wxDataViewTextRenderer::SetValue( const wxVariant &value )
 874 {
 875     m_text = value.GetString();
 876
 877     return true;
 878 }
 879
 880 bool wxDataViewTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
 881 {
 882     return false;
 883 }
 884
 885 bool wxDataViewTextRenderer::HasEditorCtrl() const
 886 {
 887     return true;
 888 }
 889
 890 wxWindow* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent,
 891         wxRect labelRect, const wxVariant &value )
 892 {
 893     wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, value,
 894                                        wxPoint(labelRect.x,labelRect.y),
 895                                        wxSize(labelRect.width,labelRect.height),
 896                                        wxTE_PROCESS_ENTER );
 897
 898     // select the text in the control an place the cursor at the end
 899     ctrl->SetInsertionPointEnd();
 900     ctrl->SelectAll();
 901
 902     return ctrl;
 903 }
 904
 905 bool wxDataViewTextRenderer::GetValueFromEditorCtrl( wxWindow *editor, wxVariant &value )
 906 {
 907     wxTextCtrl *text = (wxTextCtrl*) editor;
 908     value = text->GetValue();
 909     return true;
 910 }
 911
 912 bool wxDataViewTextRenderer::Render(wxRect rect, wxDC *dc, int state)
 913 {
 914     RenderText(m_text, 0, rect, dc, state);
 915     return true;
 916 }
 917
 918 wxSize wxDataViewTextRenderer::GetSize() const
 919 {
 920     if (!m_text.empty())
 921         return GetTextExtent(m_text);
 922     else
 923         return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE);
 924 }
 925
 926 // ---------------------------------------------------------
 927 // wxDataViewBitmapRenderer
 928 // ---------------------------------------------------------
 929
 930 IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewRenderer)
 931
 932 wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype,
 933                                                     wxDataViewCellMode mode, int align ) :
 934     wxDataViewRenderer( varianttype, mode, align )
 935 {
 936 }
 937
 938 bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
 939 {
 940     if (value.GetType() == wxT("wxBitmap"))
 941         m_bitmap << value;
 942     if (value.GetType() == wxT("wxIcon"))
 943         m_icon << value;
 944
 945     return true;
 946 }
 947
 948 bool wxDataViewBitmapRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
 949 {
 950     return false;
 951 }
 952
 953 bool wxDataViewBitmapRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 954 {
 955     if (m_bitmap.IsOk())
 956         dc->DrawBitmap( m_bitmap, cell.x, cell.y );
 957     else if (m_icon.IsOk())
 958         dc->DrawIcon( m_icon, cell.x, cell.y );
 959
 960     return true;
 961 }
 962
 963 wxSize wxDataViewBitmapRenderer::GetSize() const
 964 {
 965     if (m_bitmap.IsOk())
 966         return wxSize( m_bitmap.GetWidth(), m_bitmap.GetHeight() );
 967     else if (m_icon.IsOk())
 968         return wxSize( m_icon.GetWidth(), m_icon.GetHeight() );
 969
 970     return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE);
 971 }
 972
 973 // ---------------------------------------------------------
 974 // wxDataViewToggleRenderer
 975 // ---------------------------------------------------------
 976
 977 IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleRenderer, wxDataViewRenderer)
 978
 979 wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
 980                         wxDataViewCellMode mode, int align ) :
 981     wxDataViewRenderer( varianttype, mode, align )
 982 {
 983     m_toggle = false;
 984 }
 985
 986 bool wxDataViewToggleRenderer::SetValue( const wxVariant &value )
 987 {
 988     m_toggle = value.GetBool();
 989
 990     return true;
 991 }
 992
 993 bool wxDataViewToggleRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
 994 {
 995     return false;
 996 }
 997
 998 bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 999 {
1000     int flags = 0;
1001     if (m_toggle)
1002         flags |= wxCONTROL_CHECKED;
1003     if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE ||
1004         GetEnabled() == false)
1005         flags |= wxCONTROL_DISABLED;
1006
1007     // check boxes we draw must always have the same, standard size (if it's
1008     // bigger than the cell size the checkbox will be truncated because the
1009     // caller had set the clipping rectangle to prevent us from drawing outside
1010     // the cell)
1011     cell.SetSize(GetSize());
1012
1013     wxRendererNative::Get().DrawCheckBox(
1014             GetOwner()->GetOwner(),
1015             *dc,
1016             cell,
1017             flags );
1018
1019     return true;
1020 }
1021
1022 bool wxDataViewToggleRenderer::WXActivateCell(const wxRect& WXUNUSED(cell),
1023                                               wxDataViewModel *model,
1024                                               const wxDataViewItem& item,
1025                                               unsigned int col,
1026                                               const wxMouseEvent *mouseEvent)
1027 {
1028     if ( mouseEvent )
1029     {
1030         // only react to clicks directly on the checkbox, not elsewhere in the same cell:
1031         if ( !wxRect(GetSize()).Contains(mouseEvent->GetPosition()) )
1032             return false;
1033     }
1034
1035     model->ChangeValue(!m_toggle, item, col);
1036     return true;
1037 }
1038
1039 wxSize wxDataViewToggleRenderer::GetSize() const
1040 {
1041     // the window parameter is not used by GetCheckBoxSize() so it's
1042     // safe to pass NULL
1043     return wxRendererNative::Get().GetCheckBoxSize(NULL);
1044 }
1045
1046 // ---------------------------------------------------------
1047 // wxDataViewProgressRenderer
1048 // ---------------------------------------------------------
1049
1050 IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressRenderer, wxDataViewRenderer)
1051
1052 wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
1053     const wxString &varianttype, wxDataViewCellMode mode, int align ) :
1054     wxDataViewRenderer( varianttype, mode, align )
1055 {
1056     m_label = label;
1057     m_value = 0;
1058 }
1059
1060 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
1061 {
1062     m_value = (long) value;
1063
1064     if (m_value < 0) m_value = 0;
1065     if (m_value > 100) m_value = 100;
1066
1067     return true;
1068 }
1069
1070 bool wxDataViewProgressRenderer::GetValue( wxVariant &value ) const
1071 {
1072     value = (long) m_value;
1073     return true;
1074 }
1075
1076 bool
1077 wxDataViewProgressRenderer::Render(wxRect rect, wxDC *dc, int WXUNUSED(state))
1078 {
1079     // deflate the rect to leave a small border between bars in adjacent rows
1080     wxRect bar = rect.Deflate(0, 1);
1081
1082     dc->SetBrush( *wxTRANSPARENT_BRUSH );
1083     dc->SetPen( *wxBLACK_PEN );
1084     dc->DrawRectangle( bar );
1085
1086     bar.width = (int)(bar.width * m_value / 100.);
1087     dc->SetPen( *wxTRANSPARENT_PEN );
1088
1089     const wxDataViewItemAttr& attr = GetAttr();
1090     dc->SetBrush( attr.HasColour() ? wxBrush(attr.GetColour())
1091                                   : *wxBLUE_BRUSH );
1092     dc->DrawRectangle( bar );
1093
1094     return true;
1095 }
1096
1097 wxSize wxDataViewProgressRenderer::GetSize() const
1098 {
1099     return wxSize(40,12);
1100 }
1101
1102 // ---------------------------------------------------------
1103 // wxDataViewIconTextRenderer
1104 // ---------------------------------------------------------
1105
1106 IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewRenderer)
1107
1108 wxDataViewIconTextRenderer::wxDataViewIconTextRenderer(
1109 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
1110     wxDataViewRenderer( varianttype, mode, align )
1111 {
1112     SetMode(mode);
1113     SetAlignment(align);
1114 }
1115
1116 bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
1117 {
1118     m_value << value;
1119     return true;
1120 }
1121
1122 bool wxDataViewIconTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
1123 {
1124     return false;
1125 }
1126
1127 bool wxDataViewIconTextRenderer::Render(wxRect rect, wxDC *dc, int state)
1128 {
1129     int xoffset = 0;
1130
1131     const wxIcon& icon = m_value.GetIcon();
1132     if ( icon.IsOk() )
1133     {
1134         dc->DrawIcon(icon, rect.x, rect.y + (rect.height - icon.GetHeight())/2);
1135         xoffset = icon.GetWidth()+4;
1136     }
1137
1138     RenderText(m_value.GetText(), xoffset, rect, dc, state);
1139
1140     return true;
1141 }
1142
1143 wxSize wxDataViewIconTextRenderer::GetSize() const
1144 {
1145     if (!m_value.GetText().empty())
1146     {
1147         wxSize size = GetTextExtent(m_value.GetText());
1148
1149         if (m_value.GetIcon().IsOk())
1150             size.x += m_value.GetIcon().GetWidth() + 4;
1151         return size;
1152     }
1153     return wxSize(80,20);
1154 }
1155
1156 wxWindow* wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow *parent, wxRect labelRect, const wxVariant& value)
1157 {
1158     wxDataViewIconText iconText;
1159     iconText << value;
1160
1161     wxString text = iconText.GetText();
1162
1163     // adjust the label rect to take the width of the icon into account
1164     if (iconText.GetIcon().IsOk())
1165     {
1166         int w = iconText.GetIcon().GetWidth() + 4;
1167         labelRect.x += w;
1168         labelRect.width -= w;
1169     }
1170
1171     wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, text,
1172                                        wxPoint(labelRect.x,labelRect.y),
1173                                        wxSize(labelRect.width,labelRect.height),
1174                                        wxTE_PROCESS_ENTER );
1175
1176     // select the text in the control an place the cursor at the end
1177     ctrl->SetInsertionPointEnd();
1178     ctrl->SelectAll();
1179
1180     return ctrl;
1181 }
1182
1183 bool wxDataViewIconTextRenderer::GetValueFromEditorCtrl( wxWindow *editor, wxVariant& value )
1184 {
1185     wxTextCtrl *text = (wxTextCtrl*) editor;
1186
1187     wxDataViewIconText iconText(text->GetValue(), m_value.GetIcon());
1188     value << iconText;
1189     return true;
1190 }
1191
1192 //-----------------------------------------------------------------------------
1193 // wxDataViewDropTarget
1194 //-----------------------------------------------------------------------------
1195
1196 #if wxUSE_DRAG_AND_DROP
1197
1198 class wxBitmapCanvas: public wxWindow
1199 {
1200 public:
1201     wxBitmapCanvas( wxWindow *parent, const wxBitmap &bitmap, const wxSize &size ) :
1202     wxWindow( parent, wxID_ANY, wxPoint(0,0), size )
1203     {
1204         m_bitmap = bitmap;
1205         Connect( wxEVT_PAINT, wxPaintEventHandler(wxBitmapCanvas::OnPaint) );
1206     }
1207
1208     void OnPaint( wxPaintEvent &WXUNUSED(event) )
1209     {
1210         wxPaintDC dc(this);
1211         dc.DrawBitmap( m_bitmap, 0, 0);
1212     }
1213
1214     wxBitmap m_bitmap;
1215 };
1216
1217 class wxDataViewDropSource: public wxDropSource
1218 {
1219 public:
1220     wxDataViewDropSource( wxDataViewMainWindow *win, unsigned int row ) :
1221         wxDropSource( win )
1222     {
1223         m_win = win;
1224         m_row = row;
1225         m_hint = NULL;
1226     }
1227
1228     ~wxDataViewDropSource()
1229     {
1230         delete m_hint;
1231     }
1232
1233     virtual bool GiveFeedback( wxDragResult WXUNUSED(effect) )
1234     {
1235         wxPoint pos = wxGetMousePosition();
1236
1237         if (!m_hint)
1238         {
1239             int liney = m_win->GetLineStart( m_row );
1240             int linex = 0;
1241             m_win->GetOwner()->CalcUnscrolledPosition( 0, liney, NULL, &liney );
1242             m_win->ClientToScreen( &linex, &liney );
1243             m_dist_x = pos.x - linex;
1244             m_dist_y = pos.y - liney;
1245
1246             int indent = 0;
1247             wxBitmap ib = m_win->CreateItemBitmap( m_row, indent );
1248             m_dist_x -= indent;
1249             m_hint = new wxFrame( m_win->GetParent(), wxID_ANY, wxEmptyString,
1250                                         wxPoint(pos.x - m_dist_x, pos.y + 5 ),
1251                                         ib.GetSize(),
1252                                         wxFRAME_TOOL_WINDOW |
1253                                         wxFRAME_FLOAT_ON_PARENT |
1254                                         wxFRAME_NO_TASKBAR |
1255                                         wxNO_BORDER );
1256             new wxBitmapCanvas( m_hint, ib, ib.GetSize() );
1257             m_hint->Show();
1258         }
1259         else
1260         {
1261             m_hint->Move( pos.x - m_dist_x, pos.y + 5  );
1262             m_hint->SetTransparent( 128 );
1263         }
1264
1265         return false;
1266     }
1267
1268     wxDataViewMainWindow   *m_win;
1269     unsigned int            m_row;
1270     wxFrame                *m_hint;
1271     int m_dist_x,m_dist_y;
1272 };
1273
1274
1275 class wxDataViewDropTarget: public wxDropTarget
1276 {
1277 public:
1278     wxDataViewDropTarget( wxDataObject *obj, wxDataViewMainWindow *win ) :
1279         wxDropTarget( obj )
1280     {
1281         m_win = win;
1282     }
1283
1284     virtual wxDragResult OnDragOver( wxCoord x, wxCoord y, wxDragResult def )
1285     {
1286         wxDataFormat format = GetMatchingPair();
1287         if (format == wxDF_INVALID)
1288             return wxDragNone;
1289         return m_win->OnDragOver( format, x, y, def);
1290     }
1291
1292     virtual bool OnDrop( wxCoord x, wxCoord y )
1293     {
1294         wxDataFormat format = GetMatchingPair();
1295         if (format == wxDF_INVALID)
1296             return false;
1297         return m_win->OnDrop( format, x, y );
1298     }
1299
1300     virtual wxDragResult OnData( wxCoord x, wxCoord y, wxDragResult def )
1301     {
1302         wxDataFormat format = GetMatchingPair();
1303         if (format == wxDF_INVALID)
1304             return wxDragNone;
1305         if (!GetData())
1306             return wxDragNone;
1307         return m_win->OnData( format, x, y, def );
1308     }
1309
1310     virtual void OnLeave()
1311         { m_win->OnLeave(); }
1312
1313     wxDataViewMainWindow   *m_win;
1314 };
1315
1316 #endif // wxUSE_DRAG_AND_DROP
1317
1318 //-----------------------------------------------------------------------------
1319 // wxDataViewRenameTimer
1320 //-----------------------------------------------------------------------------
1321
1322 wxDataViewRenameTimer::wxDataViewRenameTimer( wxDataViewMainWindow *owner )
1323 {
1324     m_owner = owner;
1325 }
1326
1327 void wxDataViewRenameTimer::Notify()
1328 {
1329     m_owner->OnRenameTimer();
1330 }
1331
1332 //-----------------------------------------------------------------------------
1333 // wxDataViewMainWindow
1334 //-----------------------------------------------------------------------------
1335
1336 // The tree building helper, declared firstly
1337 static void BuildTreeHelper( const wxDataViewModel * model,  const wxDataViewItem & item,
1338                              wxDataViewTreeNode * node);
1339
1340 int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )
1341 {
1342     if (row1 > row2) return 1;
1343     if (row1 == row2) return 0;
1344     return -1;
1345 }
1346
1347 IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
1348
1349 BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
1350     EVT_PAINT         (wxDataViewMainWindow::OnPaint)
1351     EVT_MOUSE_EVENTS  (wxDataViewMainWindow::OnMouse)
1352     EVT_SET_FOCUS     (wxDataViewMainWindow::OnSetFocus)
1353     EVT_KILL_FOCUS    (wxDataViewMainWindow::OnKillFocus)
1354     EVT_CHAR_HOOK     (wxDataViewMainWindow::OnCharHook)
1355     EVT_CHAR          (wxDataViewMainWindow::OnChar)
1356 END_EVENT_TABLE()
1357
1358 wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
1359     const wxPoint &pos, const wxSize &size, const wxString &name ) :
1360     wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE, name ),
1361     m_selection( wxDataViewSelectionCmp )
1362
1363 {
1364     SetOwner( parent );
1365
1366     m_editorRenderer = NULL;
1367
1368     m_lastOnSame = false;
1369     m_renameTimer = new wxDataViewRenameTimer( this );
1370
1371     // TODO: user better initial values/nothing selected
1372     m_currentCol = NULL;
1373     m_currentColSetByKeyboard = false;
1374     m_useCellFocus = false;
1375     m_currentRow = 0;
1376
1377     m_lineHeight = wxMax( 17, GetCharHeight() + 4 ); // 17 = mini icon height + 1
1378
1379 #if wxUSE_DRAG_AND_DROP
1380     m_dragCount = 0;
1381     m_dragStart = wxPoint(0,0);
1382
1383     m_dragEnabled = false;
1384     m_dropEnabled = false;
1385     m_dropHint = false;
1386     m_dropHintLine = (unsigned int) -1;
1387 #endif // wxUSE_DRAG_AND_DROP
1388
1389     m_lineLastClicked = (unsigned int) -1;
1390     m_lineBeforeLastClicked = (unsigned int) -1;
1391     m_lineSelectSingleOnUp = (unsigned int) -1;
1392
1393     m_hasFocus = false;
1394
1395     SetBackgroundColour( *wxWHITE );
1396
1397     SetBackgroundStyle(wxBG_STYLE_CUSTOM);
1398
1399     m_penRule = wxPen(GetRuleColour());
1400
1401     // compose a pen whichcan draw black lines
1402     // TODO: maybe there is something system colour to use
1403     m_penExpander = wxPen(wxColour(0,0,0));
1404
1405     m_root = wxDataViewTreeNode::CreateRootNode();
1406
1407     // Make m_count = -1 will cause the class recaculate the real displaying number of rows.
1408     m_count = -1;
1409     m_underMouse = NULL;
1410     UpdateDisplay();
1411 }
1412
1413 wxDataViewMainWindow::~wxDataViewMainWindow()
1414 {
1415     DestroyTree();
1416     delete m_renameTimer;
1417 }
1418
1419
1420 #if wxUSE_DRAG_AND_DROP
1421 bool wxDataViewMainWindow::EnableDragSource( const wxDataFormat &format )
1422 {
1423     m_dragFormat = format;
1424     m_dragEnabled = format != wxDF_INVALID;
1425
1426     return true;
1427 }
1428
1429 bool wxDataViewMainWindow::EnableDropTarget( const wxDataFormat &format )
1430 {
1431     m_dropFormat = format;
1432     m_dropEnabled = format != wxDF_INVALID;
1433
1434     if (m_dropEnabled)
1435         SetDropTarget( new wxDataViewDropTarget( new wxCustomDataObject( format ), this ) );
1436
1437     return true;
1438 }
1439
1440 void wxDataViewMainWindow::RemoveDropHint()
1441 {
1442     if (m_dropHint)
1443     {
1444             m_dropHint = false;
1445             RefreshRow( m_dropHintLine );
1446             m_dropHintLine = (unsigned int) -1;
1447     }
1448 }
1449
1450 wxDragResult wxDataViewMainWindow::OnDragOver( wxDataFormat format, wxCoord x,
1451                                                wxCoord y, wxDragResult def )
1452 {
1453     int xx = x;
1454     int yy = y;
1455     m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1456     unsigned int row = GetLineAt( yy );
1457
1458     if ((row >= GetRowCount()) || (xx > GetEndOfLastCol()))
1459     {
1460         RemoveDropHint();
1461         return wxDragNone;
1462     }
1463
1464     wxDataViewItem item = GetItemByRow( row );
1465
1466     wxDataViewModel *model = GetModel();
1467
1468     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1469     event.SetEventObject( m_owner );
1470     event.SetItem( item );
1471     event.SetModel( model );
1472     event.SetDataFormat( format );
1473     if (!m_owner->HandleWindowEvent( event ))
1474     {
1475         RemoveDropHint();
1476         return wxDragNone;
1477     }
1478
1479     if (!event.IsAllowed())
1480     {
1481         RemoveDropHint();
1482         return wxDragNone;
1483     }
1484
1485
1486     if (m_dropHint && (row != m_dropHintLine))
1487         RefreshRow( m_dropHintLine );
1488     m_dropHint = true;
1489     m_dropHintLine = row;
1490     RefreshRow( row );
1491
1492     return def;
1493 }
1494
1495 bool wxDataViewMainWindow::OnDrop( wxDataFormat format, wxCoord x, wxCoord y )
1496 {
1497     RemoveDropHint();
1498
1499     int xx = x;
1500     int yy = y;
1501     m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1502     unsigned int row = GetLineAt( yy );
1503
1504     if ((row >= GetRowCount()) || (xx > GetEndOfLastCol()))
1505         return false;
1506
1507     wxDataViewItem item = GetItemByRow( row );
1508
1509     wxDataViewModel *model = GetModel();
1510
1511     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1512     event.SetEventObject( m_owner );
1513     event.SetItem( item );
1514     event.SetModel( model );
1515     event.SetDataFormat( format );
1516     if (!m_owner->HandleWindowEvent( event ))
1517         return false;
1518
1519     if (!event.IsAllowed())
1520         return false;
1521
1522     return true;
1523 }
1524
1525 wxDragResult wxDataViewMainWindow::OnData( wxDataFormat format, wxCoord x, wxCoord y,
1526                                            wxDragResult def )
1527 {
1528     int xx = x;
1529     int yy = y;
1530     m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1531     unsigned int row = GetLineAt( yy );
1532
1533     if ((row >= GetRowCount()) || (xx > GetEndOfLastCol()))
1534         return wxDragNone;
1535
1536     wxDataViewItem item = GetItemByRow( row );
1537
1538     wxDataViewModel *model = GetModel();
1539
1540     wxCustomDataObject *obj = (wxCustomDataObject *) GetDropTarget()->GetDataObject();
1541
1542     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, m_owner->GetId() );
1543     event.SetEventObject( m_owner );
1544     event.SetItem( item );
1545     event.SetModel( model );
1546     event.SetDataFormat( format );
1547     event.SetDataSize( obj->GetSize() );
1548     event.SetDataBuffer( obj->GetData() );
1549     if (!m_owner->HandleWindowEvent( event ))
1550         return wxDragNone;
1551
1552     if (!event.IsAllowed())
1553         return wxDragNone;
1554
1555     return def;
1556 }
1557
1558 void wxDataViewMainWindow::OnLeave()
1559 {
1560     RemoveDropHint();
1561 }
1562
1563 wxBitmap wxDataViewMainWindow::CreateItemBitmap( unsigned int row, int &indent )
1564 {
1565     int height = GetLineHeight( row );
1566     int width = 0;
1567     unsigned int cols = GetOwner()->GetColumnCount();
1568     unsigned int col;
1569     for (col = 0; col < cols; col++)
1570     {
1571         wxDataViewColumn *column = GetOwner()->GetColumnAt(col);
1572         if (column->IsHidden())
1573             continue;      // skip it!
1574         width += column->GetWidth();
1575     }
1576
1577     indent = 0;
1578     if (!IsList())
1579     {
1580         wxDataViewTreeNode *node = GetTreeNodeByRow(row);
1581         indent = GetOwner()->GetIndent() * node->GetIndentLevel();
1582         indent = indent + m_lineHeight;
1583             // try to use the m_lineHeight as the expander space
1584     }
1585     width -= indent;
1586
1587     wxBitmap bitmap( width, height );
1588     wxMemoryDC dc( bitmap );
1589     dc.SetFont( GetFont() );
1590     dc.SetPen( *wxBLACK_PEN );
1591     dc.SetBrush( *wxWHITE_BRUSH );
1592     dc.DrawRectangle( 0,0,width,height );
1593
1594     wxDataViewModel *model = m_owner->GetModel();
1595
1596     wxDataViewColumn * const
1597         expander = GetExpanderColumnOrFirstOne(GetOwner());
1598
1599     int x = 0;
1600     for (col = 0; col < cols; col++)
1601     {
1602         wxDataViewColumn *column = GetOwner()->GetColumnAt( col );
1603         wxDataViewRenderer *cell = column->GetRenderer();
1604
1605         if (column->IsHidden())
1606             continue;       // skip it!
1607
1608         width = column->GetWidth();
1609
1610         if (column == expander)
1611             width -= indent;
1612
1613         wxDataViewItem item = GetItemByRow( row );
1614         cell->PrepareForItem(model, item, column->GetModelColumn());
1615
1616         wxRect item_rect(x, 0, width, height);
1617         item_rect.Deflate(PADDING_RIGHTLEFT, 0);
1618
1619         // dc.SetClippingRegion( item_rect );
1620         cell->WXCallRender(item_rect, &dc, 0);
1621         // dc.DestroyClippingRegion();
1622
1623         x += width;
1624     }
1625
1626     return bitmap;
1627 }
1628
1629 #endif // wxUSE_DRAG_AND_DROP
1630
1631
1632 // Draw focus rect for individual cell. Unlike native focus rect, we render
1633 // this in foreground text color (typically white) to enhance contrast and
1634 // make it visible.
1635 static void DrawSelectedCellFocusRect(wxDC& dc, const wxRect& rect)
1636 {
1637     // (This code is based on wxRendererGeneric::DrawFocusRect and modified.)
1638
1639     // draw the pixels manually because the "dots" in wxPen with wxDOT style
1640     // may be short traits and not really dots
1641     //
1642     // note that to behave in the same manner as DrawRect(), we must exclude
1643     // the bottom and right borders from the rectangle
1644     wxCoord x1 = rect.GetLeft(),
1645             y1 = rect.GetTop(),
1646             x2 = rect.GetRight(),
1647             y2 = rect.GetBottom();
1648
1649     wxDCPenChanger pen(dc, wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT));
1650
1651     wxCoord z;
1652     for ( z = x1 + 1; z < x2; z += 2 )
1653         dc.DrawPoint(z, rect.GetTop());
1654
1655     wxCoord shift = z == x2 ? 0 : 1;
1656     for ( z = y1 + shift; z < y2; z += 2 )
1657         dc.DrawPoint(x2, z);
1658
1659     shift = z == y2 ? 0 : 1;
1660     for ( z = x2 - shift; z > x1; z -= 2 )
1661         dc.DrawPoint(z, y2);
1662
1663     shift = z == x1 ? 0 : 1;
1664     for ( z = y2 - shift; z > y1; z -= 2 )
1665         dc.DrawPoint(x1, z);
1666 }
1667
1668
1669 void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1670 {
1671     wxDataViewModel *model = GetModel();
1672     wxAutoBufferedPaintDC dc( this );
1673
1674 #ifdef __WXMSW__
1675     dc.SetBrush(GetOwner()->GetBackgroundColour());
1676     dc.SetPen( *wxTRANSPARENT_PEN );
1677     dc.DrawRectangle(GetClientSize());
1678 #endif
1679
1680     if ( IsEmpty() )
1681     {
1682         // No items to draw.
1683         return;
1684     }
1685
1686     // prepare the DC
1687     GetOwner()->PrepareDC( dc );
1688     dc.SetFont( GetFont() );
1689
1690     wxRect update = GetUpdateRegion().GetBox();
1691     m_owner->CalcUnscrolledPosition( update.x, update.y, &update.x, &update.y );
1692
1693     // compute which items needs to be redrawn
1694     unsigned int item_start = GetLineAt( wxMax(0,update.y) );
1695     unsigned int item_count =
1696         wxMin( (int)(  GetLineAt( wxMax(0,update.y+update.height) ) - item_start + 1),
1697             (int)(GetRowCount( ) - item_start));
1698     unsigned int item_last = item_start + item_count;
1699
1700     // Send the event to wxDataViewCtrl itself.
1701     wxWindow * const parent = GetParent();
1702     wxDataViewEvent cache_event(wxEVT_COMMAND_DATAVIEW_CACHE_HINT, parent->GetId());
1703     cache_event.SetEventObject(parent);
1704     cache_event.SetCache(item_start, item_last - 1);
1705     parent->ProcessWindowEvent(cache_event);
1706
1707     // compute which columns needs to be redrawn
1708     unsigned int cols = GetOwner()->GetColumnCount();
1709     if ( !cols )
1710     {
1711         // we assume that we have at least one column below and painting an
1712         // empty control is unnecessary anyhow
1713         return;
1714     }
1715
1716     unsigned int col_start = 0;
1717     unsigned int x_start;
1718     for (x_start = 0; col_start < cols; col_start++)
1719     {
1720         wxDataViewColumn *col = GetOwner()->GetColumnAt(col_start);
1721         if (col->IsHidden())
1722             continue;      // skip it!
1723
1724         unsigned int w = col->GetWidth();
1725         if (x_start+w >= (unsigned int)update.x)
1726             break;
1727
1728         x_start += w;
1729     }
1730
1731     unsigned int col_last = col_start;
1732     unsigned int x_last = x_start;
1733     for (; col_last < cols; col_last++)
1734     {
1735         wxDataViewColumn *col = GetOwner()->GetColumnAt(col_last);
1736         if (col->IsHidden())
1737             continue;      // skip it!
1738
1739         if (x_last > (unsigned int)update.GetRight())
1740             break;
1741
1742         x_last += col->GetWidth();
1743     }
1744
1745     // Draw horizontal rules if required
1746     if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
1747     {
1748         dc.SetPen(m_penRule);
1749         dc.SetBrush(*wxTRANSPARENT_BRUSH);
1750
1751         for (unsigned int i = item_start; i <= item_last; i++)
1752         {
1753             int y = GetLineStart( i );
1754             dc.DrawLine(x_start, y, x_last, y);
1755         }
1756     }
1757
1758     // Draw vertical rules if required
1759     if ( m_owner->HasFlag(wxDV_VERT_RULES) )
1760     {
1761         dc.SetPen(m_penRule);
1762         dc.SetBrush(*wxTRANSPARENT_BRUSH);
1763
1764         // NB: Vertical rules are drawn in the last pixel of a column so that
1765         //     they align perfectly with native MSW wxHeaderCtrl as well as for
1766         //     consistency with MSW native list control. There's no vertical
1767         //     rule at the most-left side of the control.
1768
1769         int x = x_start - 1;
1770         for (unsigned int i = col_start; i < col_last; i++)
1771         {
1772             wxDataViewColumn *col = GetOwner()->GetColumnAt(i);
1773             if (col->IsHidden())
1774                 continue;       // skip it
1775
1776             x += col->GetWidth();
1777
1778             dc.DrawLine(x, GetLineStart( item_start ),
1779                         x, GetLineStart( item_last ) );
1780         }
1781     }
1782
1783     // redraw the background for the items which are selected/current
1784     for (unsigned int item = item_start; item < item_last; item++)
1785     {
1786         bool selected = m_selection.Index( item ) != wxNOT_FOUND;
1787
1788         if (selected || item == m_currentRow)
1789         {
1790             wxRect rect( x_start, GetLineStart( item ),
1791                          x_last - x_start, GetLineHeight( item ) );
1792
1793             // draw selection and whole-item focus:
1794             if ( selected )
1795             {
1796                 int flags = wxCONTROL_SELECTED;
1797                 if (m_hasFocus)
1798                     flags |= wxCONTROL_FOCUSED;
1799
1800                 wxRendererNative::Get().DrawItemSelectionRect
1801                                     (
1802                                         this,
1803                                         dc,
1804                                         rect,
1805                                         flags
1806                                     );
1807             }
1808
1809             // draw keyboard focus rect if applicable
1810             if ( item == m_currentRow && m_hasFocus )
1811             {
1812                 bool renderColumnFocus = false;
1813
1814                 if ( m_useCellFocus && m_currentCol && m_currentColSetByKeyboard )
1815                 {
1816                     renderColumnFocus = true;
1817
1818                     // If this is container node without columns, render full-row focus:
1819                     if ( !IsList() )
1820                     {
1821                         wxDataViewTreeNode *node = GetTreeNodeByRow(item);
1822                         if ( node->HasChildren() && !model->HasContainerColumns(node->GetItem()) )
1823                             renderColumnFocus = false;
1824                     }
1825                 }
1826
1827                 if ( renderColumnFocus )
1828                 {
1829                     for ( unsigned int i = col_start; i < col_last; i++ )
1830                     {
1831                         wxDataViewColumn *col = GetOwner()->GetColumnAt(i);
1832                         if ( col->IsHidden() )
1833                             continue;
1834
1835                         rect.width = col->GetWidth();
1836
1837                         if ( col == m_currentCol )
1838                         {
1839                             // make the rect more visible by adding a small
1840                             // margin around it:
1841                             rect.Deflate(1, 1);
1842
1843                             if ( selected )
1844                             {
1845                                 // DrawFocusRect() uses XOR and is all but
1846                                 // invisible against dark-blue background. Use
1847                                 // the same color used for selected text.
1848                                 DrawSelectedCellFocusRect(dc, rect);
1849                             }
1850                             else
1851                             {
1852                                 wxRendererNative::Get().DrawFocusRect
1853                                                     (
1854                                                         this,
1855                                                         dc,
1856                                                         rect,
1857                                                         0
1858                                                 );
1859                             }
1860                             break;
1861                         }
1862
1863                         rect.x += rect.width;
1864                     }
1865                 }
1866                 else
1867                 {
1868                     // render focus rectangle for the whole row
1869                     wxRendererNative::Get().DrawFocusRect
1870                                         (
1871                                             this,
1872                                             dc,
1873                                             rect,
1874                                             selected ? (int)wxCONTROL_SELECTED : 0
1875                                         );
1876                 }
1877             }
1878         }
1879     }
1880
1881 #if wxUSE_DRAG_AND_DROP
1882     if (m_dropHint)
1883     {
1884         wxRect rect( x_start, GetLineStart( m_dropHintLine ),
1885                      x_last - x_start, GetLineHeight( m_dropHintLine ) );
1886         dc.SetPen( *wxBLACK_PEN );
1887         dc.SetBrush( *wxTRANSPARENT_BRUSH );
1888         dc.DrawRectangle( rect );
1889     }
1890 #endif // wxUSE_DRAG_AND_DROP
1891
1892     wxDataViewColumn * const
1893         expander = GetExpanderColumnOrFirstOne(GetOwner());
1894
1895     // redraw all cells for all rows which must be repainted and all columns
1896     wxRect cell_rect;
1897     cell_rect.x = x_start;
1898     for (unsigned int i = col_start; i < col_last; i++)
1899     {
1900         wxDataViewColumn *col = GetOwner()->GetColumnAt( i );
1901         wxDataViewRenderer *cell = col->GetRenderer();
1902         cell_rect.width = col->GetWidth();
1903
1904         if ( col->IsHidden() || cell_rect.width <= 0 )
1905             continue;       // skip it!
1906
1907         for (unsigned int item = item_start; item < item_last; item++)
1908         {
1909             // get the cell value and set it into the renderer
1910             wxDataViewTreeNode *node = NULL;
1911             wxDataViewItem dataitem;
1912
1913             if (!IsVirtualList())
1914             {
1915                 node = GetTreeNodeByRow(item);
1916                 if( node == NULL )
1917                     continue;
1918
1919                 dataitem = node->GetItem();
1920
1921                 // Skip all columns of "container" rows except the expander
1922                 // column itself unless HasContainerColumns() overrides this.
1923                 if ( col != expander &&
1924                         model->IsContainer(dataitem) &&
1925                             !model->HasContainerColumns(dataitem) )
1926                     continue;
1927             }
1928             else
1929             {
1930                 dataitem = wxDataViewItem( wxUIntToPtr(item+1) );
1931             }
1932
1933             cell->PrepareForItem(model, dataitem, col->GetModelColumn());
1934
1935             // update cell_rect
1936             cell_rect.y = GetLineStart( item );
1937             cell_rect.height = GetLineHeight( item );
1938
1939             // draw the background
1940             bool selected = m_selection.Index( item ) != wxNOT_FOUND;
1941             if ( !selected )
1942                 DrawCellBackground( cell, dc, cell_rect );
1943
1944             // deal with the expander
1945             int indent = 0;
1946             if ((!IsList()) && (col == expander))
1947             {
1948                 // Calculate the indent first
1949                 indent = GetOwner()->GetIndent() * node->GetIndentLevel();
1950
1951                 // we reserve m_lineHeight of horizontal space for the expander
1952                 // but leave EXPANDER_MARGIN around the expander itself
1953                 int exp_x = cell_rect.x + indent + EXPANDER_MARGIN;
1954
1955                 indent += m_lineHeight;
1956
1957                 // draw expander if needed and visible
1958                 if ( node->HasChildren() && exp_x < cell_rect.GetRight() )
1959                 {
1960                     dc.SetPen( m_penExpander );
1961                     dc.SetBrush( wxNullBrush );
1962
1963                     int exp_size = m_lineHeight - 2*EXPANDER_MARGIN;
1964                     int exp_y = cell_rect.y + (cell_rect.height - exp_size)/2
1965                                    + EXPANDER_MARGIN - EXPANDER_OFFSET;
1966
1967                     const wxRect rect(exp_x, exp_y, exp_size, exp_size);
1968
1969                     int flag = 0;
1970                     if ( m_underMouse == node )
1971                         flag |= wxCONTROL_CURRENT;
1972                     if ( node->IsOpen() )
1973                         flag |= wxCONTROL_EXPANDED;
1974
1975                     // ensure that we don't overflow the cell (which might
1976                     // happen if the column is very narrow)
1977                     wxDCClipper clip(dc, cell_rect);
1978
1979                     wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);
1980                 }
1981
1982                 // force the expander column to left-center align
1983                 cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
1984             }
1985
1986             wxRect item_rect = cell_rect;
1987             item_rect.Deflate(PADDING_RIGHTLEFT, 0);
1988
1989             // account for the tree indent (harmless if we're not indented)
1990             item_rect.x += indent;
1991             item_rect.width -= indent;
1992
1993             if ( item_rect.width <= 0 )
1994                 continue;
1995
1996             int state = 0;
1997             if (m_hasFocus && selected)
1998                 state |= wxDATAVIEW_CELL_SELECTED;
1999
2000             // TODO: it would be much more efficient to create a clipping
2001             //       region for the entire column being rendered (in the OnPaint
2002             //       of wxDataViewMainWindow) instead of a single clip region for
2003             //       each cell. However it would mean that each renderer should
2004             //       respect the given wxRect's top & bottom coords, eventually
2005             //       violating only the left & right coords - however the user can
2006             //       make its own renderer and thus we cannot be sure of that.
2007             wxDCClipper clip(dc, item_rect);
2008
2009             cell->WXCallRender(item_rect, &dc, state);
2010         }
2011
2012         cell_rect.x += cell_rect.width;
2013     }
2014 }
2015
2016
2017 void wxDataViewMainWindow::DrawCellBackground( wxDataViewRenderer* cell, wxDC& dc, const wxRect& rect )
2018 {
2019     wxRect rectBg( rect );
2020
2021     // don't overlap the horizontal rules
2022     if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
2023     {
2024         rectBg.x++;
2025         rectBg.width--;
2026     }
2027
2028     // don't overlap the vertical rules
2029     if ( m_owner->HasFlag(wxDV_VERT_RULES) )
2030     {
2031         rectBg.y++;
2032         rectBg.height--;
2033     }
2034
2035     cell->RenderBackground(&dc, rectBg);
2036 }
2037
2038 void wxDataViewMainWindow::OnRenameTimer()
2039 {
2040     // We have to call this here because changes may just have
2041     // been made and no screen update taken place.
2042     if ( m_dirty )
2043     {
2044         // TODO: use wxTheApp->SafeYieldFor(NULL, wxEVT_CATEGORY_UI) instead
2045         //       (needs to be tested!)
2046         wxSafeYield();
2047     }
2048
2049     wxDataViewItem item = GetItemByRow( m_currentRow );
2050
2051     StartEditing( item, m_currentCol );
2052 }
2053
2054 void
2055 wxDataViewMainWindow::StartEditing(const wxDataViewItem& item,
2056                                    const wxDataViewColumn* col)
2057 {
2058     wxDataViewRenderer* renderer = col->GetRenderer();
2059     if ( !IsCellEditableInMode(item, col, wxDATAVIEW_CELL_EDITABLE) )
2060         return;
2061
2062     const wxRect itemRect = GetItemRect(item, col);
2063     if ( renderer->StartEditing(item, itemRect) )
2064     {
2065         // Save the renderer to be able to finish/cancel editing it later and
2066         // save the control to be able to detect if we're still editing it.
2067         m_editorRenderer = renderer;
2068         m_editorCtrl = renderer->GetEditorCtrl();
2069     }
2070 }
2071
2072 //-----------------------------------------------------------------------------
2073 // Helper class for do operation on the tree node
2074 //-----------------------------------------------------------------------------
2075 class DoJob
2076 {
2077 public:
2078     DoJob() { }
2079     virtual ~DoJob() { }
2080
2081     // The return value control how the tree-walker tranverse the tree
2082     enum
2083     {
2084         DONE,          // Job done, stop traversing and return
2085         SKIP_SUBTREE,  // Ignore the current node's subtree and continue
2086         CONTINUE       // Job not done, continue
2087     };
2088
2089     virtual int operator() ( wxDataViewTreeNode * node ) = 0;
2090 };
2091
2092 bool Walker( wxDataViewTreeNode * node, DoJob & func )
2093 {
2094     wxCHECK_MSG( node, false, "can't walk NULL node" );
2095
2096     switch( func( node ) )
2097     {
2098         case DoJob::DONE:
2099             return true;
2100         case DoJob::SKIP_SUBTREE:
2101             return false;
2102         case DoJob::CONTINUE:
2103             break;
2104     }
2105
2106     if ( node->HasChildren() )
2107     {
2108         const wxDataViewTreeNodes& nodes = node->GetChildNodes();
2109
2110         for ( wxDataViewTreeNodes::const_iterator i = nodes.begin();
2111               i != nodes.end();
2112               ++i )
2113         {
2114             if ( Walker(*i, func) )
2115                 return true;
2116         }
2117     }
2118
2119     return false;
2120 }
2121
2122 bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
2123 {
2124     if (IsVirtualList())
2125     {
2126         wxDataViewVirtualListModel *list_model =
2127             (wxDataViewVirtualListModel*) GetModel();
2128         m_count = list_model->GetCount();
2129     }
2130     else
2131     {
2132         SortPrepare();
2133
2134         wxDataViewTreeNode *parentNode = FindNode(parent);
2135
2136         if ( !parentNode )
2137             return false;
2138
2139         wxDataViewItemArray modelSiblings;
2140         GetModel()->GetChildren(parent, modelSiblings);
2141         const int modelSiblingsSize = modelSiblings.size();
2142
2143         int posInModel = modelSiblings.Index(item, /*fromEnd=*/true);
2144         wxCHECK_MSG( posInModel != wxNOT_FOUND, false, "adding non-existent item?" );
2145
2146         wxDataViewTreeNode *itemNode = new wxDataViewTreeNode(parentNode, item);
2147         itemNode->SetHasChildren(GetModel()->IsContainer(item));
2148
2149         parentNode->SetHasChildren(true);
2150
2151         const wxDataViewTreeNodes& nodeSiblings = parentNode->GetChildNodes();
2152         const int nodeSiblingsSize = nodeSiblings.size();
2153
2154         int nodePos = 0;
2155
2156         if ( posInModel == modelSiblingsSize - 1 )
2157         {
2158             nodePos = nodeSiblingsSize;
2159         }
2160         else if ( modelSiblingsSize == nodeSiblingsSize + 1 )
2161         {
2162             // This is the simple case when our node tree already matches the
2163             // model and only this one item is missing.
2164             nodePos = posInModel;
2165         }
2166         else
2167         {
2168             // It's possible that a larger discrepancy between the model and
2169             // our realization exists. This can happen e.g. when adding a bunch
2170             // of items to the model and then calling ItemsAdded() just once
2171             // afterwards. In this case, we must find the right position by
2172             // looking at sibling items.
2173
2174             // append to the end if we won't find a better position:
2175             nodePos = nodeSiblingsSize;
2176
2177             for ( int nextItemPos = posInModel + 1;
2178                   nextItemPos < modelSiblingsSize;
2179                   nextItemPos++ )
2180             {
2181                 int nextNodePos = parentNode->FindChildByItem(modelSiblings[nextItemPos]);
2182                 if ( nextNodePos != wxNOT_FOUND )
2183                 {
2184                     nodePos = nextNodePos;
2185                     break;
2186                 }
2187             }
2188         }
2189
2190         parentNode->ChangeSubTreeCount(+1);
2191         parentNode->InsertChild(itemNode, nodePos);
2192
2193         m_count = -1;
2194     }
2195
2196     GetOwner()->InvalidateColBestWidths();
2197     UpdateDisplay();
2198
2199     return true;
2200 }
2201
2202 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
2203                                        const wxDataViewItem& item)
2204 {
2205     if (IsVirtualList())
2206     {
2207         wxDataViewVirtualListModel *list_model =
2208             (wxDataViewVirtualListModel*) GetModel();
2209         m_count = list_model->GetCount();
2210
2211         if ( !m_selection.empty() )
2212         {
2213             const int row = GetRowByItem(item);
2214
2215             int rowIndexInSelection = wxNOT_FOUND;
2216
2217             const size_t selCount = m_selection.size();
2218             for ( size_t i = 0; i < selCount; i++ )
2219             {
2220                 if ( m_selection[i] == (unsigned)row )
2221                     rowIndexInSelection = i;
2222                 else if ( m_selection[i] > (unsigned)row )
2223                     m_selection[i]--;
2224             }
2225
2226             if ( rowIndexInSelection != wxNOT_FOUND )
2227                 m_selection.RemoveAt(rowIndexInSelection);
2228         }
2229
2230     }
2231     else // general case
2232     {
2233         wxDataViewTreeNode *parentNode = FindNode(parent);
2234
2235         // Notice that it is possible that the item being deleted is not in the
2236         // tree at all, for example we could be deleting a never shown (because
2237         // collapsed) item in a tree model. So it's not an error if we don't know
2238         // about this item, just return without doing anything then.
2239         if ( !parentNode )
2240             return true;
2241
2242         wxCHECK_MSG( parentNode->HasChildren(), false, "parent node doesn't have children?" );
2243         const wxDataViewTreeNodes& parentsChildren = parentNode->GetChildNodes();
2244
2245         // We can't use FindNode() to find 'item', because it was already
2246         // removed from the model by the time ItemDeleted() is called, so we
2247         // have to do it manually. We keep track of its position as well for
2248         // later use.
2249         int itemPosInNode = 0;
2250         wxDataViewTreeNode *itemNode = NULL;
2251         for ( wxDataViewTreeNodes::const_iterator i = parentsChildren.begin();
2252               i != parentsChildren.end();
2253               ++i, ++itemPosInNode )
2254         {
2255             if( (*i)->GetItem() == item )
2256             {
2257                 itemNode = *i;
2258                 break;
2259             }
2260         }
2261
2262         // If the parent wasn't expanded, it's possible that we didn't have a
2263         // node corresponding to 'item' and so there's nothing left to do.
2264         if ( !itemNode )
2265         {
2266             // If this was the last child to be removed, it's possible the parent
2267             // node became a leaf. Let's ask the model about it.
2268             if ( parentNode->GetChildNodes().empty() )
2269                 parentNode->SetHasChildren(GetModel()->IsContainer(parent));
2270
2271             return true;
2272         }
2273
2274         // Delete the item from wxDataViewTreeNode representation:
2275         const int itemsDeleted = 1 + itemNode->GetSubTreeCount();
2276
2277         parentNode->RemoveChild(itemNode);
2278         delete itemNode;
2279         parentNode->ChangeSubTreeCount(-itemsDeleted);
2280
2281         // Make the row number invalid and get a new valid one when user call GetRowCount
2282         m_count = -1;
2283
2284         // If this was the last child to be removed, it's possible the parent
2285         // node became a leaf. Let's ask the model about it.
2286         if ( parentNode->GetChildNodes().empty() )
2287             parentNode->SetHasChildren(GetModel()->IsContainer(parent));
2288
2289         // Update selection by removing 'item' and its entire children tree from the selection.
2290         if ( !m_selection.empty() )
2291         {
2292             // we can't call GetRowByItem() on 'item', as it's already deleted, so compute it from
2293             // the parent ('parentNode') and position in its list of children
2294             int itemRow;
2295             if ( itemPosInNode == 0 )
2296             {
2297                 // 1st child, row number is that of the parent parentNode + 1
2298                 itemRow = GetRowByItem(parentNode->GetItem()) + 1;
2299             }
2300             else
2301             {
2302                 // row number is that of the sibling above 'item' + its subtree if any + 1
2303                 const wxDataViewTreeNode *siblingNode = parentNode->GetChildNodes()[itemPosInNode - 1];
2304
2305                 itemRow = GetRowByItem(siblingNode->GetItem()) +
2306                           siblingNode->GetSubTreeCount() +
2307                           1;
2308             }
2309
2310             wxDataViewSelection newsel(wxDataViewSelectionCmp);
2311
2312             const size_t numSelections = m_selection.size();
2313             for ( size_t i = 0; i < numSelections; ++i )
2314             {
2315                 const int s = m_selection[i];
2316                 if ( s < itemRow )
2317                     newsel.push_back(s);
2318                 else if ( s >= itemRow + itemsDeleted )
2319                     newsel.push_back(s - itemsDeleted);
2320                 // else: deleted item, remove from selection
2321             }
2322
2323             m_selection = newsel;
2324         }
2325     }
2326
2327     // Change the current row to the last row if the current exceed the max row number
2328     if( m_currentRow > GetRowCount() )
2329         ChangeCurrentRow(m_count - 1);
2330
2331     GetOwner()->InvalidateColBestWidths();
2332     UpdateDisplay();
2333
2334     return true;
2335 }
2336
2337 bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
2338 {
2339     SortPrepare();
2340     g_model->Resort();
2341
2342     GetOwner()->InvalidateColBestWidths();
2343
2344     // Send event
2345     wxWindow *parent = GetParent();
2346     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2347     le.SetEventObject(parent);
2348     le.SetModel(GetModel());
2349     le.SetItem(item);
2350     parent->ProcessWindowEvent(le);
2351
2352     return true;
2353 }
2354
2355 bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int model_column )
2356 {
2357     int view_column = -1;
2358     unsigned int n_col = m_owner->GetColumnCount();
2359     for (unsigned i = 0; i < n_col; i++)
2360     {
2361         wxDataViewColumn *column = m_owner->GetColumn( i );
2362         if (column->GetModelColumn() == model_column)
2363         {
2364             view_column = (int) i;
2365             break;
2366         }
2367     }
2368     if (view_column == -1)
2369         return false;
2370
2371     // NOTE: to be valid, we cannot use e.g. INT_MAX - 1
2372 /*#define MAX_VIRTUAL_WIDTH       100000
2373
2374     wxRect rect( 0, row*m_lineHeight, MAX_VIRTUAL_WIDTH, m_lineHeight );
2375     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2376     Refresh( true, &rect );
2377
2378     return true;
2379 */
2380     SortPrepare();
2381     g_model->Resort();
2382
2383     GetOwner()->InvalidateColBestWidth(view_column);
2384
2385     // Send event
2386     wxWindow *parent = GetParent();
2387     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2388     le.SetEventObject(parent);
2389     le.SetModel(GetModel());
2390     le.SetItem(item);
2391     le.SetColumn(view_column);
2392     le.SetDataViewColumn(GetOwner()->GetColumn(view_column));
2393     parent->ProcessWindowEvent(le);
2394
2395     return true;
2396 }
2397
2398 bool wxDataViewMainWindow::Cleared()
2399 {
2400     DestroyTree();
2401     m_selection.Clear();
2402
2403     SortPrepare();
2404     BuildTree( GetModel() );
2405
2406     GetOwner()->InvalidateColBestWidths();
2407     UpdateDisplay();
2408
2409     return true;
2410 }
2411
2412 void wxDataViewMainWindow::UpdateDisplay()
2413 {
2414     m_dirty = true;
2415     m_underMouse = NULL;
2416 }
2417
2418 void wxDataViewMainWindow::OnInternalIdle()
2419 {
2420     wxWindow::OnInternalIdle();
2421
2422     if (m_dirty)
2423     {
2424         RecalculateDisplay();
2425         m_dirty = false;
2426     }
2427 }
2428
2429 void wxDataViewMainWindow::RecalculateDisplay()
2430 {
2431     wxDataViewModel *model = GetModel();
2432     if (!model)
2433     {
2434         Refresh();
2435         return;
2436     }
2437
2438     int width = GetEndOfLastCol();
2439     int height = GetLineStart( GetRowCount() );
2440
2441     SetVirtualSize( width, height );
2442     GetOwner()->SetScrollRate( 10, m_lineHeight );
2443
2444     Refresh();
2445 }
2446
2447 void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
2448 {
2449     m_underMouse = NULL;
2450
2451     wxWindow::ScrollWindow( dx, dy, rect );
2452
2453     if (GetOwner()->m_headerArea)
2454         GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
2455 }
2456
2457 void wxDataViewMainWindow::ScrollTo( int rows, int column )
2458 {
2459     m_underMouse = NULL;
2460
2461     int x, y;
2462     m_owner->GetScrollPixelsPerUnit( &x, &y );
2463     int sy = GetLineStart( rows )/y;
2464     int sx = -1;
2465     if( column != -1 )
2466     {
2467         wxRect rect = GetClientRect();
2468         int colnum = 0;
2469         int x_start, w = 0;
2470         int xx, yy, xe;
2471         m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy );
2472         for (x_start = 0; colnum < column; colnum++)
2473         {
2474             wxDataViewColumn *col = GetOwner()->GetColumnAt(colnum);
2475             if (col->IsHidden())
2476                 continue;      // skip it!
2477
2478             w = col->GetWidth();
2479             x_start += w;
2480         }
2481
2482         int x_end = x_start + w;
2483         xe = xx + rect.width;
2484         if( x_end > xe )
2485         {
2486             sx = ( xx + x_end - xe )/x;
2487         }
2488         if( x_start < xx )
2489         {
2490             sx = x_start/x;
2491         }
2492     }
2493     m_owner->Scroll( sx, sy );
2494 }
2495
2496 int wxDataViewMainWindow::GetCountPerPage() const
2497 {
2498     wxSize size = GetClientSize();
2499     return size.y / m_lineHeight;
2500 }
2501
2502 int wxDataViewMainWindow::GetEndOfLastCol() const
2503 {
2504     int width = 0;
2505     unsigned int i;
2506     for (i = 0; i < GetOwner()->GetColumnCount(); i++)
2507     {
2508         const wxDataViewColumn *c =
2509             const_cast<wxDataViewCtrl*>(GetOwner())->GetColumnAt( i );
2510
2511         if (!c->IsHidden())
2512             width += c->GetWidth();
2513     }
2514     return width;
2515 }
2516
2517 unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
2518 {
2519     int x = 0;
2520     int y = 0;
2521     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
2522
2523     return GetLineAt( y );
2524 }
2525
2526 unsigned int wxDataViewMainWindow::GetLastVisibleRow()
2527 {
2528     wxSize client_size = GetClientSize();
2529     m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
2530                                     &client_size.x, &client_size.y );
2531
2532     // we should deal with the pixel here
2533     unsigned int row = GetLineAt(client_size.y) - 1;
2534
2535     return wxMin( GetRowCount()-1, row );
2536 }
2537
2538 unsigned int wxDataViewMainWindow::GetRowCount()
2539 {
2540     if ( m_count == -1 )
2541     {
2542         m_count = RecalculateCount();
2543         UpdateDisplay();
2544     }
2545     return m_count;
2546 }
2547
2548 void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
2549 {
2550     m_currentRow = row;
2551
2552     // send event
2553 }
2554
2555 void wxDataViewMainWindow::SelectAllRows( bool on )
2556 {
2557     if (IsEmpty())
2558         return;
2559
2560     if (on)
2561     {
2562         m_selection.Clear();
2563         for (unsigned int i = 0; i < GetRowCount(); i++)
2564             m_selection.Add( i );
2565         Refresh();
2566     }
2567     else
2568     {
2569         unsigned int first_visible = GetFirstVisibleRow();
2570         unsigned int last_visible = GetLastVisibleRow();
2571         unsigned int i;
2572         for (i = 0; i < m_selection.GetCount(); i++)
2573         {
2574             unsigned int row = m_selection[i];
2575             if ((row >= first_visible) && (row <= last_visible))
2576                 RefreshRow( row );
2577         }
2578         m_selection.Clear();
2579     }
2580 }
2581
2582 void wxDataViewMainWindow::SelectRow( unsigned int row, bool on )
2583 {
2584     if (m_selection.Index( row ) == wxNOT_FOUND)
2585     {
2586         if (on)
2587         {
2588             m_selection.Add( row );
2589             RefreshRow( row );
2590         }
2591     }
2592     else
2593     {
2594         if (!on)
2595         {
2596             m_selection.Remove( row );
2597             RefreshRow( row );
2598         }
2599     }
2600 }
2601
2602 void wxDataViewMainWindow::SelectRows( unsigned int from, unsigned int to, bool on )
2603 {
2604     if (from > to)
2605     {
2606         unsigned int tmp = from;
2607         from = to;
2608         to = tmp;
2609     }
2610
2611     unsigned int i;
2612     for (i = from; i <= to; i++)
2613     {
2614         if (m_selection.Index( i ) == wxNOT_FOUND)
2615         {
2616             if (on)
2617                 m_selection.Add( i );
2618         }
2619         else
2620         {
2621             if (!on)
2622                 m_selection.Remove( i );
2623         }
2624     }
2625     RefreshRows( from, to );
2626 }
2627
2628 void wxDataViewMainWindow::Select( const wxArrayInt& aSelections )
2629 {
2630     for (size_t i=0; i < aSelections.GetCount(); i++)
2631     {
2632         int n = aSelections[i];
2633
2634         m_selection.Add( n );
2635         RefreshRow( n );
2636     }
2637 }
2638
2639 void wxDataViewMainWindow::ReverseRowSelection( unsigned int row )
2640 {
2641     if (m_selection.Index( row ) == wxNOT_FOUND)
2642         m_selection.Add( row );
2643     else
2644         m_selection.Remove( row );
2645     RefreshRow( row );
2646 }
2647
2648 bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
2649 {
2650     return (m_selection.Index( row ) != wxNOT_FOUND);
2651 }
2652
2653 void wxDataViewMainWindow::SendSelectionChangedEvent( const wxDataViewItem& item)
2654 {
2655     wxWindow *parent = GetParent();
2656     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, parent->GetId());
2657
2658     le.SetEventObject(parent);
2659     le.SetModel(GetModel());
2660     le.SetItem( item );
2661
2662     parent->ProcessWindowEvent(le);
2663 }
2664
2665 void wxDataViewMainWindow::RefreshRow( unsigned int row )
2666 {
2667     wxRect rect( 0, GetLineStart( row ), GetEndOfLastCol(), GetLineHeight( row ) );
2668     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2669
2670     wxSize client_size = GetClientSize();
2671     wxRect client_rect( 0, 0, client_size.x, client_size.y );
2672     wxRect intersect_rect = client_rect.Intersect( rect );
2673     if (intersect_rect.width > 0)
2674         Refresh( true, &intersect_rect );
2675 }
2676
2677 void wxDataViewMainWindow::RefreshRows( unsigned int from, unsigned int to )
2678 {
2679     if (from > to)
2680     {
2681         unsigned int tmp = to;
2682         to = from;
2683         from = tmp;
2684     }
2685
2686     wxRect rect( 0, GetLineStart( from ), GetEndOfLastCol(), GetLineStart( (to-from+1) ) );
2687     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2688
2689     wxSize client_size = GetClientSize();
2690     wxRect client_rect( 0, 0, client_size.x, client_size.y );
2691     wxRect intersect_rect = client_rect.Intersect( rect );
2692     if (intersect_rect.width > 0)
2693         Refresh( true, &intersect_rect );
2694 }
2695
2696 void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
2697 {
2698     wxSize client_size = GetClientSize();
2699     int start = GetLineStart( firstRow );
2700     m_owner->CalcScrolledPosition( start, 0, &start, NULL );
2701     if (start > client_size.y) return;
2702
2703     wxRect rect( 0, start, client_size.x, client_size.y - start );
2704
2705     Refresh( true, &rect );
2706 }
2707
2708 wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
2709 {
2710     wxRect rect;
2711     rect.x = 0;
2712     rect.y = GetLineStart( row );
2713     rect.width = GetEndOfLastCol();
2714     rect.height = GetLineHeight( row );
2715
2716     return rect;
2717 }
2718
2719 int wxDataViewMainWindow::GetLineStart( unsigned int row ) const
2720 {
2721     const wxDataViewModel *model = GetModel();
2722
2723     if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2724     {
2725         // TODO make more efficient
2726
2727         int start = 0;
2728
2729         unsigned int r;
2730         for (r = 0; r < row; r++)
2731         {
2732             const wxDataViewTreeNode* node = GetTreeNodeByRow(r);
2733             if (!node) return start;
2734
2735             wxDataViewItem item = node->GetItem();
2736
2737             unsigned int cols = GetOwner()->GetColumnCount();
2738             unsigned int col;
2739             int height = m_lineHeight;
2740             for (col = 0; col < cols; col++)
2741             {
2742                 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2743                 if (column->IsHidden())
2744                     continue;      // skip it!
2745
2746                 if ((col != 0) &&
2747                     model->IsContainer(item) &&
2748                     !model->HasContainerColumns(item))
2749                     continue;      // skip it!
2750
2751                 wxDataViewRenderer *renderer =
2752                     const_cast<wxDataViewRenderer*>(column->GetRenderer());
2753                 renderer->PrepareForItem(model, item, column->GetModelColumn());
2754
2755                 height = wxMax( height, renderer->GetSize().y );
2756             }
2757
2758             start += height;
2759         }
2760
2761         return start;
2762     }
2763     else
2764     {
2765         return row * m_lineHeight;
2766     }
2767 }
2768
2769 int wxDataViewMainWindow::GetLineAt( unsigned int y ) const
2770 {
2771     const wxDataViewModel *model = GetModel();
2772
2773     // check for the easy case first
2774     if ( !GetOwner()->HasFlag(wxDV_VARIABLE_LINE_HEIGHT) )
2775         return y / m_lineHeight;
2776
2777     // TODO make more efficient
2778     unsigned int row = 0;
2779     unsigned int yy = 0;
2780     for (;;)
2781     {
2782         const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2783         if (!node)
2784         {
2785             // not really correct...
2786             return row + ((y-yy) / m_lineHeight);
2787         }
2788
2789         wxDataViewItem item = node->GetItem();
2790
2791         unsigned int cols = GetOwner()->GetColumnCount();
2792         unsigned int col;
2793         int height = m_lineHeight;
2794         for (col = 0; col < cols; col++)
2795         {
2796             const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2797             if (column->IsHidden())
2798                 continue;      // skip it!
2799
2800             if ((col != 0) &&
2801                 model->IsContainer(item) &&
2802                 !model->HasContainerColumns(item))
2803                 continue;      // skip it!
2804
2805             wxDataViewRenderer *renderer =
2806                 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2807             renderer->PrepareForItem(model, item, column->GetModelColumn());
2808
2809             height = wxMax( height, renderer->GetSize().y );
2810         }
2811
2812         yy += height;
2813         if (y < yy)
2814             return row;
2815
2816         row++;
2817     }
2818 }
2819
2820 int wxDataViewMainWindow::GetLineHeight( unsigned int row ) const
2821 {
2822     const wxDataViewModel *model = GetModel();
2823
2824     if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2825     {
2826         wxASSERT( !IsVirtualList() );
2827
2828         const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2829         // wxASSERT( node );
2830         if (!node) return m_lineHeight;
2831
2832         wxDataViewItem item = node->GetItem();
2833
2834         int height = m_lineHeight;
2835
2836         unsigned int cols = GetOwner()->GetColumnCount();
2837         unsigned int col;
2838         for (col = 0; col < cols; col++)
2839         {
2840             const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2841             if (column->IsHidden())
2842                 continue;      // skip it!
2843
2844             if ((col != 0) &&
2845                 model->IsContainer(item) &&
2846                 !model->HasContainerColumns(item))
2847                 continue;      // skip it!
2848
2849             wxDataViewRenderer *renderer =
2850                 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2851             renderer->PrepareForItem(model, item, column->GetModelColumn());
2852
2853             height = wxMax( height, renderer->GetSize().y );
2854         }
2855
2856         return height;
2857     }
2858     else
2859     {
2860         return m_lineHeight;
2861     }
2862 }
2863
2864
2865 class RowToTreeNodeJob: public DoJob
2866 {
2867 public:
2868     RowToTreeNodeJob( unsigned int row , int current, wxDataViewTreeNode * node )
2869     {
2870         this->row = row;
2871         this->current = current;
2872         ret = NULL;
2873         parent = node;
2874     }
2875
2876     virtual int operator() ( wxDataViewTreeNode * node )
2877     {
2878         current ++;
2879         if( current == static_cast<int>(row))
2880         {
2881             ret = node;
2882             return DoJob::DONE;
2883         }
2884
2885         if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2886         {
2887             current += node->GetSubTreeCount();
2888             return  DoJob::SKIP_SUBTREE;
2889         }
2890         else
2891         {
2892             parent = node;
2893
2894             // If the current node has only leaf children, we can find the
2895             // desired node directly. This can speed up finding the node
2896             // in some cases, and will have a very good effect for list views.
2897             if ( node->HasChildren() &&
2898                  (int)node->GetChildNodes().size() == node->GetSubTreeCount() )
2899             {
2900                 const int index = static_cast<int>(row) - current - 1;
2901                 ret = node->GetChildNodes()[index];
2902                 return DoJob::DONE;
2903             }
2904
2905             return DoJob::CONTINUE;
2906         }
2907     }
2908
2909     wxDataViewTreeNode * GetResult() const
2910         { return ret; }
2911
2912 private:
2913     unsigned int row;
2914     int current;
2915     wxDataViewTreeNode * ret;
2916     wxDataViewTreeNode * parent;
2917 };
2918
2919 wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row) const
2920 {
2921     wxASSERT( !IsVirtualList() );
2922
2923     RowToTreeNodeJob job( row , -2, m_root );
2924     Walker( m_root , job );
2925     return job.GetResult();
2926 }
2927
2928 wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
2929 {
2930     if (IsVirtualList())
2931     {
2932         return wxDataViewItem( wxUIntToPtr(row+1) );
2933     }
2934     else
2935     {
2936         wxDataViewTreeNode *node = GetTreeNodeByRow(row);
2937         return node ? node->GetItem() : wxDataViewItem();
2938     }
2939 }
2940
2941 bool
2942 wxDataViewMainWindow::SendExpanderEvent(wxEventType type,
2943                                         const wxDataViewItem& item)
2944 {
2945     wxWindow *parent = GetParent();
2946     wxDataViewEvent le(type, parent->GetId());
2947
2948     le.SetEventObject(parent);
2949     le.SetModel(GetModel());
2950     le.SetItem( item );
2951
2952     return !parent->ProcessWindowEvent(le) || le.IsAllowed();
2953 }
2954
2955 bool wxDataViewMainWindow::IsExpanded( unsigned int row ) const
2956 {
2957     if (IsList())
2958         return false;
2959
2960     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2961     if (!node)
2962         return false;
2963
2964     if (!node->HasChildren())
2965         return false;
2966
2967     return node->IsOpen();
2968 }
2969
2970 bool wxDataViewMainWindow::HasChildren( unsigned int row ) const
2971 {
2972     if (IsList())
2973         return false;
2974
2975     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2976     if (!node)
2977         return false;
2978
2979     if (!node->HasChildren())
2980         return false;
2981
2982     return true;
2983 }
2984
2985 void wxDataViewMainWindow::Expand( unsigned int row )
2986 {
2987     if (IsList())
2988         return;
2989
2990     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2991     if (!node)
2992         return;
2993
2994     if (!node->HasChildren())
2995         return;
2996
2997             if (!node->IsOpen())
2998             {
2999                 if ( !SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, node->GetItem()) )
3000                 {
3001                     // Vetoed by the event handler.
3002                     return;
3003                 }
3004
3005                 node->ToggleOpen();
3006
3007                 // build the children of current node
3008                 if( node->GetChildNodes().empty() )
3009                 {
3010                     SortPrepare();
3011                     ::BuildTreeHelper(GetModel(), node->GetItem(), node);
3012                 }
3013
3014                 // By expanding the node all row indices that are currently in the selection list
3015                 // and are greater than our node have become invalid. So we have to correct that now.
3016                 const unsigned rowAdjustment = node->GetSubTreeCount();
3017                 for(unsigned i=0; i<m_selection.size(); ++i)
3018                 {
3019                     const unsigned testRow = m_selection[i];
3020                     // all rows above us are not affected, so skip them
3021                     if(testRow <= row)
3022                         continue;
3023
3024                     m_selection[i] += rowAdjustment;
3025                 }
3026
3027                 if(m_currentRow > row)
3028                     ChangeCurrentRow(m_currentRow + rowAdjustment);
3029
3030                 m_count = -1;
3031                 UpdateDisplay();
3032                 // Send the expanded event
3033                 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
3034             }
3035 }
3036
3037 void wxDataViewMainWindow::Collapse(unsigned int row)
3038 {
3039     if (IsList())
3040         return;
3041
3042     wxDataViewTreeNode *node = GetTreeNodeByRow(row);
3043     if (!node)
3044         return;
3045
3046     if (!node->HasChildren())
3047         return;
3048
3049         if (node->IsOpen())
3050         {
3051             if ( !SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem()) )
3052             {
3053                 // Vetoed by the event handler.
3054                 return;
3055             }
3056
3057             // Find out if there are selected items below the current node.
3058             bool selectCollapsingRow = false;
3059             const unsigned rowAdjustment = node->GetSubTreeCount();
3060             unsigned maxRowToBeTested = row + rowAdjustment;
3061             for(unsigned i=0; i<m_selection.size(); ++i)
3062             {
3063                 const unsigned testRow = m_selection[i];
3064                 if(testRow > row && testRow <= maxRowToBeTested)
3065                 {
3066                     selectCollapsingRow = true;
3067                     // get out as soon as we have found a node that is selected
3068                     break;
3069                 }
3070             }
3071
3072             node->ToggleOpen();
3073
3074             // If the node to be closed has selected items the user won't see those any longer.
3075             // We select the collapsing node in this case.
3076             if(selectCollapsingRow)
3077             {
3078                 SelectAllRows(false);
3079                 ChangeCurrentRow(row);
3080                 SelectRow(row, true);
3081                 SendSelectionChangedEvent(GetItemByRow(row));
3082             }
3083             else
3084             {
3085                 // if there were no selected items below our node we still need to "fix" the
3086                 // selection list to adjust for the changing of the row indices.
3087                 // We actually do the opposite of what we are doing in Expand().
3088                 for(unsigned i=0; i<m_selection.size(); ++i)
3089                 {
3090                     const unsigned testRow = m_selection[i];
3091                     // all rows above us are not affected, so skip them
3092                     if(testRow <= row)
3093                         continue;
3094
3095                     m_selection[i] -= rowAdjustment;
3096                 }
3097
3098                 // if the "current row" is being collapsed away we change it to the current row ;-)
3099                 if(m_currentRow > row && m_currentRow <= maxRowToBeTested)
3100                     ChangeCurrentRow(row);
3101                 else if(m_currentRow > row)
3102                     ChangeCurrentRow(m_currentRow - rowAdjustment);
3103             }
3104
3105             m_count = -1;
3106             UpdateDisplay();
3107             SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,node->GetItem());
3108         }
3109 }
3110
3111 wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
3112 {
3113     const wxDataViewModel * model = GetModel();
3114     if( model == NULL )
3115         return NULL;
3116
3117     if (!item.IsOk())
3118         return m_root;
3119
3120     // Compose the parent-chain for the item we are looking for
3121     wxVector<wxDataViewItem> parentChain;
3122     wxDataViewItem it( item );
3123     while( it.IsOk() )
3124     {
3125         parentChain.push_back(it);
3126         it = model->GetParent(it);
3127     }
3128
3129     // Find the item along the parent-chain.
3130     // This algorithm is designed to speed up the node-finding method
3131     wxDataViewTreeNode* node = m_root;
3132     for( unsigned iter = parentChain.size()-1; ; --iter )
3133     {
3134         if( node->HasChildren() )
3135         {
3136             if( node->GetChildNodes().empty() )
3137             {
3138                 // Even though the item is a container, it doesn't have any
3139                 // child nodes in the control's representation yet. We have
3140                 // to realize its subtree now.
3141                 SortPrepare();
3142                 ::BuildTreeHelper(model, node->GetItem(), node);
3143             }
3144
3145             const wxDataViewTreeNodes& nodes = node->GetChildNodes();
3146             bool found = false;
3147
3148             for (unsigned i = 0; i < nodes.GetCount(); ++i)
3149             {
3150                 wxDataViewTreeNode* currentNode = nodes[i];
3151                 if (currentNode->GetItem() == parentChain[iter])
3152                 {
3153                     if (currentNode->GetItem() == item)
3154                         return currentNode;
3155
3156                     node = currentNode;
3157                     found = true;
3158                     break;
3159                 }
3160             }
3161             if (!found)
3162                 return NULL;
3163         }
3164         else
3165             return NULL;
3166
3167         if ( !iter )
3168             break;
3169     }
3170     return NULL;
3171 }
3172
3173 void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item,
3174                                     wxDataViewColumn* &column )
3175 {
3176     wxDataViewColumn *col = NULL;
3177     unsigned int cols = GetOwner()->GetColumnCount();
3178     unsigned int colnum = 0;
3179     int x, y;
3180     m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y );
3181     for (unsigned x_start = 0; colnum < cols; colnum++)
3182     {
3183         col = GetOwner()->GetColumnAt(colnum);
3184         if (col->IsHidden())
3185             continue;      // skip it!
3186
3187         unsigned int w = col->GetWidth();
3188         if (x_start+w >= (unsigned int)x)
3189             break;
3190
3191         x_start += w;
3192     }
3193
3194     column = col;
3195     item = GetItemByRow( GetLineAt( y ) );
3196 }
3197
3198 wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item,
3199                                           const wxDataViewColumn* column )
3200 {
3201     int xpos = 0;
3202     int width = 0;
3203
3204     unsigned int cols = GetOwner()->GetColumnCount();
3205     // If column is null the loop will compute the combined width of all columns.
3206     // Otherwise, it will compute the x position of the column we are looking for.
3207     for (unsigned int i = 0; i < cols; i++)
3208     {
3209         wxDataViewColumn* col = GetOwner()->GetColumnAt( i );
3210
3211         if (col == column)
3212             break;
3213
3214         if (col->IsHidden())
3215             continue;      // skip it!
3216
3217         xpos += col->GetWidth();
3218         width += col->GetWidth();
3219     }
3220
3221     if(column != 0)
3222     {
3223         // If we have a column, we need can get its width directly.
3224         if(column->IsHidden())
3225             width = 0;
3226         else
3227             width = column->GetWidth();
3228
3229     }
3230     else
3231     {
3232         // If we have no column, we reset the x position back to zero.
3233         xpos = 0;
3234     }
3235
3236     // we have to take an expander column into account and compute its indentation
3237     // to get the correct x position where the actual text is
3238     int indent = 0;
3239     int row = GetRowByItem(item);
3240     if (!IsList() &&
3241             (column == 0 || GetExpanderColumnOrFirstOne(GetOwner()) == column) )
3242     {
3243         wxDataViewTreeNode* node = GetTreeNodeByRow(row);
3244         indent = GetOwner()->GetIndent() * node->GetIndentLevel();
3245         indent = indent + m_lineHeight; // use m_lineHeight as the width of the expander
3246     }
3247
3248     wxRect itemRect( xpos + indent,
3249                      GetLineStart( row ),
3250                      width - indent,
3251                      GetLineHeight( row ) );
3252
3253     GetOwner()->CalcScrolledPosition(  itemRect.x,  itemRect.y,
3254                                       &itemRect.x, &itemRect.y );
3255
3256     return itemRect;
3257 }
3258
3259 int wxDataViewMainWindow::RecalculateCount()
3260 {
3261     if (IsVirtualList())
3262     {
3263         wxDataViewVirtualListModel *list_model =
3264             (wxDataViewVirtualListModel*) GetModel();
3265
3266         return list_model->GetCount();
3267     }
3268     else
3269     {
3270         return m_root->GetSubTreeCount();
3271     }
3272 }
3273
3274 class ItemToRowJob : public DoJob
3275 {
3276 public:
3277     ItemToRowJob(const wxDataViewItem& item_, wxVector<wxDataViewItem>::reverse_iterator iter)
3278         : m_iter(iter),
3279         item(item_)
3280     {
3281         ret = -1;
3282     }
3283
3284     // Maybe binary search will help to speed up this process
3285     virtual int operator() ( wxDataViewTreeNode * node)
3286     {
3287         ret ++;
3288         if( node->GetItem() == item )
3289         {
3290             return DoJob::DONE;
3291         }
3292
3293         if( node->GetItem() == *m_iter )
3294         {
3295             m_iter++;
3296             return DoJob::CONTINUE;
3297         }
3298         else
3299         {
3300             ret += node->GetSubTreeCount();
3301             return DoJob::SKIP_SUBTREE;
3302         }
3303
3304     }
3305
3306     // the row number is begin from zero
3307     int GetResult() const
3308         { return ret -1; }
3309
3310 private:
3311     wxVector<wxDataViewItem>::reverse_iterator m_iter;
3312     wxDataViewItem item;
3313     int ret;
3314
3315 };
3316
3317 int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item) const
3318 {
3319     const wxDataViewModel * model = GetModel();
3320     if( model == NULL )
3321         return -1;
3322
3323     if (IsVirtualList())
3324     {
3325         return wxPtrToUInt( item.GetID() ) -1;
3326     }
3327     else
3328     {
3329         if( !item.IsOk() )
3330             return -1;
3331
3332         // Compose the parent-chain of the item we are looking for
3333         wxVector<wxDataViewItem> parentChain;
3334         wxDataViewItem it( item );
3335         while( it.IsOk() )
3336         {
3337             parentChain.push_back(it);
3338             it = model->GetParent(it);
3339         }
3340
3341         // add an 'invalid' item to represent our 'invisible' root node
3342         parentChain.push_back(wxDataViewItem());
3343
3344         // the parent chain was created by adding the deepest parent first.
3345         // so if we want to start at the root node, we have to iterate backwards through the vector
3346         ItemToRowJob job( item, parentChain.rbegin() );
3347         Walker( m_root, job );
3348         return job.GetResult();
3349     }
3350 }
3351
3352 static void BuildTreeHelper( const wxDataViewModel * model,  const wxDataViewItem & item,
3353                              wxDataViewTreeNode * node)
3354 {
3355     if( !model->IsContainer( item ) )
3356         return;
3357
3358     wxDataViewItemArray children;
3359     unsigned int num = model->GetChildren( item, children);
3360
3361     for ( unsigned int index = 0; index < num; index++ )
3362     {
3363         wxDataViewTreeNode *n = new wxDataViewTreeNode(node, children[index]);
3364
3365         if( model->IsContainer(children[index]) )
3366             n->SetHasChildren( true );
3367
3368         node->InsertChild(n, index);
3369     }
3370
3371     wxASSERT( node->IsOpen() );
3372     node->ChangeSubTreeCount(+num);
3373 }
3374
3375 void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
3376 {
3377     DestroyTree();
3378
3379     if (GetModel()->IsVirtualListModel())
3380     {
3381         m_count = -1;
3382         return;
3383     }
3384
3385     m_root = wxDataViewTreeNode::CreateRootNode();
3386
3387     // First we define a invalid item to fetch the top-level elements
3388     wxDataViewItem item;
3389     SortPrepare();
3390     BuildTreeHelper( model, item, m_root);
3391     m_count = -1;
3392 }
3393
3394 void wxDataViewMainWindow::DestroyTree()
3395 {
3396     if (!IsVirtualList())
3397     {
3398         wxDELETE(m_root);
3399         m_count = 0;
3400     }
3401 }
3402
3403 wxDataViewColumn*
3404 wxDataViewMainWindow::FindColumnForEditing(const wxDataViewItem& item, wxDataViewCellMode mode)
3405 {
3406     // Edit the current column editable in 'mode'. If no column is focused
3407     // (typically because the user has full row selected), try to find the
3408     // first editable column (this would typically be a checkbox for
3409     // wxDATAVIEW_CELL_ACTIVATABLE and we don't want to force the user to set
3410     // focus on the checkbox column; or on the only editable text column).
3411
3412     wxDataViewColumn *candidate = m_currentCol;
3413
3414     if ( candidate &&
3415          !IsCellEditableInMode(item, candidate, mode) &&
3416          !m_currentColSetByKeyboard )
3417     {
3418         // If current column was set by mouse to something not editable (in
3419         // 'mode') and the user pressed Space/F2 to edit it, treat the
3420         // situation as if there was whole-row focus, because that's what is
3421         // visually indicated and the mouse click could very well be targeted
3422         // on the row rather than on an individual cell.
3423         //
3424         // But if it was done by keyboard, respect that even if the column
3425         // isn't editable, because focus is visually on that column and editing
3426         // something else would be surprising.
3427         candidate = NULL;
3428     }
3429
3430     if ( !candidate )
3431     {
3432         const unsigned cols = GetOwner()->GetColumnCount();
3433         for ( unsigned i = 0; i < cols; i++ )
3434         {
3435             wxDataViewColumn *c = GetOwner()->GetColumnAt(i);
3436             if ( c->IsHidden() )
3437                 continue;
3438
3439             if ( IsCellEditableInMode(item, c, mode) )
3440             {
3441                 candidate = c;
3442                 break;
3443             }
3444         }
3445     }
3446
3447     // If on container item without columns, only the expander column
3448     // may be directly editable:
3449     if ( candidate &&
3450          GetOwner()->GetExpanderColumn() != candidate &&
3451          GetModel()->IsContainer(item) &&
3452          !GetModel()->HasContainerColumns(item) )
3453     {
3454         candidate = GetOwner()->GetExpanderColumn();
3455     }
3456
3457     if ( !candidate )
3458        return NULL;
3459
3460    if ( !IsCellEditableInMode(item, candidate, mode) )
3461        return NULL;
3462
3463    return candidate;
3464 }
3465
3466 bool wxDataViewMainWindow::IsCellEditableInMode(const wxDataViewItem& item,
3467                                                 const wxDataViewColumn *col,
3468                                                 wxDataViewCellMode mode) const
3469 {
3470     if ( col->GetRenderer()->GetMode() != mode )
3471         return false;
3472
3473     if ( !GetModel()->IsEnabled(item, col->GetModelColumn()) )
3474         return false;
3475
3476     return true;
3477 }
3478
3479 void wxDataViewMainWindow::OnCharHook(wxKeyEvent& event)
3480 {
3481     if ( m_editorCtrl )
3482     {
3483         // Handle any keys special for the in-place editor and return without
3484         // calling Skip() below.
3485         switch ( event.GetKeyCode() )
3486         {
3487             case WXK_ESCAPE:
3488                 m_editorRenderer->CancelEditing();
3489                 return;
3490
3491             case WXK_RETURN:
3492                 m_editorRenderer->FinishEditing();
3493                 return;
3494         }
3495     }
3496
3497     event.Skip();
3498 }
3499
3500 void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
3501 {
3502     wxWindow * const parent = GetParent();
3503
3504     // propagate the char event upwards
3505     wxKeyEvent eventForParent(event);
3506     eventForParent.SetEventObject(parent);
3507     if ( parent->ProcessWindowEvent(eventForParent) )
3508         return;
3509
3510     if ( parent->HandleAsNavigationKey(event) )
3511         return;
3512
3513     // no item -> nothing to do
3514     if (!HasCurrentRow())
3515     {
3516         event.Skip();
3517         return;
3518     }
3519
3520     // don't use m_linesPerPage directly as it might not be computed yet
3521     const int pageSize = GetCountPerPage();
3522     wxCHECK_RET( pageSize, wxT("should have non zero page size") );
3523
3524     switch ( event.GetKeyCode() )
3525     {
3526         case WXK_RETURN:
3527             {
3528                 // Enter activates the item, i.e. sends wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED to
3529                 // it. Only if that event is not handled do we activate column renderer (which
3530                 // is normally done by Space) or even inline editing.
3531
3532                 const wxDataViewItem item = GetItemByRow(m_currentRow);
3533
3534                 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED,
3535                                    parent->GetId());
3536                 le.SetItem(item);
3537                 le.SetEventObject(parent);
3538                 le.SetModel(GetModel());
3539
3540                 if ( parent->ProcessWindowEvent(le) )
3541                     break;
3542                 // else: fall through to WXK_SPACE handling
3543             }
3544
3545         case WXK_SPACE:
3546             {
3547                 // Space toggles activatable items or -- if not activatable --
3548                 // starts inline editing (this is normally done using F2 on
3549                 // Windows, but Space is common everywhere else, so use it too
3550                 // for greater cross-platform compatibility).
3551
3552                 const wxDataViewItem item = GetItemByRow(m_currentRow);
3553
3554                 // Activate the current activatable column. If not column is focused (typically
3555                 // because the user has full row selected), try to find the first activatable
3556                 // column (this would typically be a checkbox and we don't want to force the user
3557                 // to set focus on the checkbox column).
3558                 wxDataViewColumn *activatableCol = FindColumnForEditing(item, wxDATAVIEW_CELL_ACTIVATABLE);
3559
3560                 if ( activatableCol )
3561                 {
3562                     const unsigned colIdx = activatableCol->GetModelColumn();
3563                     const wxRect cell_rect = GetOwner()->GetItemRect(item, activatableCol);
3564
3565                     wxDataViewRenderer *cell = activatableCol->GetRenderer();
3566                     cell->PrepareForItem(GetModel(), item, colIdx);
3567                     cell->WXActivateCell(cell_rect, GetModel(), item, colIdx, NULL);
3568
3569                     break;
3570                 }
3571                 // else: fall through to WXK_F2 handling
3572             }
3573
3574         case WXK_F2:
3575             {
3576                 if( !m_selection.empty() )
3577                 {
3578                     // Mimic Windows 7 behavior: edit the item that has focus
3579                     // if it is selected and the first selected item if focus
3580                     // is out of selection.
3581                     int sel;
3582                     if ( m_selection.Index(m_currentRow) != wxNOT_FOUND )
3583                         sel = m_currentRow;
3584                     else
3585                         sel = m_selection[0];
3586
3587
3588                     const wxDataViewItem item = GetItemByRow(sel);
3589
3590                     // Edit the current column. If no column is focused
3591                     // (typically because the user has full row selected), try
3592                     // to find the first editable column.
3593                     wxDataViewColumn *editableCol = FindColumnForEditing(item, wxDATAVIEW_CELL_EDITABLE);
3594
3595                     if ( editableCol )
3596                         GetOwner()->StartEditor(item, GetOwner()->GetColumnIndex(editableCol));
3597                 }
3598             }
3599             break;
3600
3601         case WXK_UP:
3602             if ( m_currentRow > 0 )
3603                 OnVerticalNavigation( m_currentRow - 1, event );
3604             break;
3605
3606         case WXK_DOWN:
3607             if ( m_currentRow + 1 < GetRowCount() )
3608                 OnVerticalNavigation( m_currentRow + 1, event );
3609             break;
3610         // Add the process for tree expanding/collapsing
3611         case WXK_LEFT:
3612             OnLeftKey();
3613             break;
3614
3615         case WXK_RIGHT:
3616             OnRightKey();
3617             break;
3618
3619         case WXK_END:
3620         {
3621             if (!IsEmpty())
3622                 OnVerticalNavigation( GetRowCount() - 1, event );
3623             break;
3624         }
3625         case WXK_HOME:
3626             if (!IsEmpty())
3627                 OnVerticalNavigation( 0, event );
3628             break;
3629
3630         case WXK_PAGEUP:
3631             {
3632                 int steps = pageSize - 1;
3633                 int index = m_currentRow - steps;
3634                 if (index < 0)
3635                     index = 0;
3636
3637                 OnVerticalNavigation( index, event );
3638             }
3639             break;
3640
3641         case WXK_PAGEDOWN:
3642             {
3643                 int steps = pageSize - 1;
3644                 unsigned int index = m_currentRow + steps;
3645                 unsigned int count = GetRowCount();
3646                 if ( index >= count )
3647                     index = count - 1;
3648
3649                 OnVerticalNavigation( index, event );
3650             }
3651             break;
3652
3653         default:
3654             event.Skip();
3655     }
3656 }
3657
3658 void wxDataViewMainWindow::OnVerticalNavigation(unsigned int newCurrent, const wxKeyEvent& event)
3659 {
3660     wxCHECK_RET( newCurrent < GetRowCount(),
3661                 wxT("invalid item index in OnVerticalNavigation()") );
3662
3663     // if there is no selection, we cannot move it anywhere
3664     if (!HasCurrentRow())
3665         return;
3666
3667     unsigned int oldCurrent = m_currentRow;
3668
3669     // in single selection we just ignore Shift as we can't select several
3670     // items anyhow
3671     if ( event.ShiftDown() && !IsSingleSel() )
3672     {
3673         RefreshRow( oldCurrent );
3674
3675         ChangeCurrentRow( newCurrent );
3676
3677         // select all the items between the old and the new one
3678         if ( oldCurrent > newCurrent )
3679         {
3680             newCurrent = oldCurrent;
3681             oldCurrent = m_currentRow;
3682         }
3683
3684         SelectRows( oldCurrent, newCurrent, true );
3685         if (oldCurrent!=newCurrent)
3686             SendSelectionChangedEvent(GetItemByRow(m_selection[0]));
3687     }
3688     else // !shift
3689     {
3690         RefreshRow( oldCurrent );
3691
3692         // all previously selected items are unselected unless ctrl is held
3693         if ( !event.ControlDown() )
3694             SelectAllRows(false);
3695
3696         ChangeCurrentRow( newCurrent );
3697
3698         if ( !event.ControlDown() )
3699         {
3700             SelectRow( m_currentRow, true );
3701             SendSelectionChangedEvent(GetItemByRow(m_currentRow));
3702         }
3703         else
3704             RefreshRow( m_currentRow );
3705     }
3706
3707     GetOwner()->EnsureVisible( m_currentRow, -1 );
3708 }
3709
3710 void wxDataViewMainWindow::OnLeftKey()
3711 {
3712     if ( IsList() )
3713     {
3714         TryAdvanceCurrentColumn(NULL, /*forward=*/false);
3715     }
3716     else
3717     {
3718         wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow);
3719
3720         if ( TryAdvanceCurrentColumn(node, /*forward=*/false) )
3721             return;
3722
3723         // Because TryAdvanceCurrentColumn() return false, we are at the first
3724         // column or using whole-row selection. In this situation, we can use
3725         // the standard TreeView handling of the left key.
3726         if (node->HasChildren() && node->IsOpen())
3727         {
3728             Collapse(m_currentRow);
3729         }
3730         else
3731         {
3732             // if the node is already closed, we move the selection to its parent
3733             wxDataViewTreeNode *parent_node = node->GetParent();
3734
3735             if (parent_node)
3736             {
3737                 int parent = GetRowByItem( parent_node->GetItem() );
3738                 if ( parent >= 0 )
3739                 {
3740                     unsigned int row = m_currentRow;
3741                     SelectRow( row, false);
3742                     SelectRow( parent, true );
3743                     ChangeCurrentRow( parent );
3744                     GetOwner()->EnsureVisible( parent, -1 );
3745                     SendSelectionChangedEvent( parent_node->GetItem() );
3746                 }
3747             }
3748         }
3749     }
3750 }
3751
3752 void wxDataViewMainWindow::OnRightKey()
3753 {
3754     if ( IsList() )
3755     {
3756         TryAdvanceCurrentColumn(NULL, /*forward=*/true);
3757     }
3758     else
3759     {
3760         wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow);
3761
3762         if ( node->HasChildren() )
3763         {
3764             if ( !node->IsOpen() )
3765             {
3766                 Expand( m_currentRow );
3767             }
3768             else
3769             {
3770                 // if the node is already open, we move the selection to the first child
3771                 unsigned int row = m_currentRow;
3772                 SelectRow( row, false );
3773                 SelectRow( row + 1, true );
3774                 ChangeCurrentRow( row + 1 );
3775                 GetOwner()->EnsureVisible( row + 1, -1 );
3776                 SendSelectionChangedEvent( GetItemByRow(row+1) );
3777             }
3778         }
3779         else
3780         {
3781             TryAdvanceCurrentColumn(node, /*forward=*/true);
3782         }
3783     }
3784 }
3785
3786 bool wxDataViewMainWindow::TryAdvanceCurrentColumn(wxDataViewTreeNode *node, bool forward)
3787 {
3788     if ( GetOwner()->GetColumnCount() == 0 )
3789         return false;
3790
3791     if ( !m_useCellFocus )
3792         return false;
3793
3794     if ( node )
3795     {
3796         // navigation shouldn't work in branch nodes without other columns:
3797         if ( node->HasChildren() && !GetModel()->HasContainerColumns(node->GetItem()) )
3798             return false;
3799     }
3800
3801     if ( m_currentCol == NULL || !m_currentColSetByKeyboard )
3802     {
3803         if ( forward )
3804         {
3805             m_currentCol = GetOwner()->GetColumnAt(1);
3806             m_currentColSetByKeyboard = true;
3807             RefreshRow(m_currentRow);
3808             return true;
3809         }
3810         else
3811             return false;
3812     }
3813
3814     int idx = GetOwner()->GetColumnIndex(m_currentCol) + (forward ? +1 : -1);
3815
3816     if ( idx >= (int)GetOwner()->GetColumnCount() )
3817         return false;
3818
3819     GetOwner()->EnsureVisible(m_currentRow, idx);
3820
3821     if ( idx < 1 )
3822     {
3823         // We are going to the left of the second column. Reset to whole-row
3824         // focus (which means first column would be edited).
3825         m_currentCol = NULL;
3826         RefreshRow(m_currentRow);
3827         return true;
3828     }
3829
3830     m_currentCol = GetOwner()->GetColumnAt(idx);
3831     m_currentColSetByKeyboard = true;
3832     RefreshRow(m_currentRow);
3833     return true;
3834 }
3835
3836 void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
3837 {
3838     if (event.GetEventType() == wxEVT_MOUSEWHEEL)
3839     {
3840         // let the base handle mouse wheel events.
3841         event.Skip();
3842         return;
3843     }
3844
3845     // set the focus to ourself if any of the mouse buttons are pressed
3846     if(event.ButtonDown() && !HasFocus())
3847         SetFocus();
3848
3849     int x = event.GetX();
3850     int y = event.GetY();
3851     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
3852     wxDataViewColumn *col = NULL;
3853
3854     int xpos = 0;
3855     unsigned int cols = GetOwner()->GetColumnCount();
3856     unsigned int i;
3857     for (i = 0; i < cols; i++)
3858     {
3859         wxDataViewColumn *c = GetOwner()->GetColumnAt( i );
3860         if (c->IsHidden())
3861             continue;      // skip it!
3862
3863         if (x < xpos + c->GetWidth())
3864         {
3865             col = c;
3866             break;
3867         }
3868         xpos += c->GetWidth();
3869     }
3870
3871     wxDataViewModel* const model = GetModel();
3872
3873     const unsigned int current = GetLineAt( y );
3874     const wxDataViewItem item = GetItemByRow(current);
3875
3876     // Handle right clicking here, before everything else as context menu
3877     // events should be sent even when we click outside of any item, unlike all
3878     // the other ones.
3879     if (event.RightUp())
3880     {
3881         wxWindow *parent = GetParent();
3882         wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, parent->GetId());
3883         le.SetEventObject(parent);
3884         le.SetModel(model);
3885
3886         if ( item.IsOk() && col )
3887         {
3888             le.SetItem( item );
3889             le.SetColumn( col->GetModelColumn() );
3890             le.SetDataViewColumn( col );
3891
3892             wxVariant value;
3893             model->GetValue( value, item, col->GetModelColumn() );
3894             le.SetValue(value);
3895         }
3896
3897         parent->ProcessWindowEvent(le);
3898         return;
3899     }
3900
3901     if (!col)
3902     {
3903         event.Skip();
3904         return;
3905     }
3906
3907     wxDataViewRenderer *cell = col->GetRenderer();
3908     if ((current >= GetRowCount()) || (x > GetEndOfLastCol()))
3909     {
3910         // Unselect all if below the last row ?
3911         event.Skip();
3912         return;
3913     }
3914
3915     wxDataViewColumn* const
3916         expander = GetExpanderColumnOrFirstOne(GetOwner());
3917
3918     // Test whether the mouse is hovering over the expander (a.k.a tree "+"
3919     // button) and also determine the offset of the real cell start, skipping
3920     // the indentation and the expander itself.
3921     bool hoverOverExpander = false;
3922     int itemOffset = 0;
3923     if ((!IsList()) && (expander == col))
3924     {
3925         wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3926
3927         int indent = node->GetIndentLevel();
3928         itemOffset = GetOwner()->GetIndent()*indent;
3929
3930         if ( node->HasChildren() )
3931         {
3932             // we make the rectangle we are looking in a bit bigger than the actual
3933             // visual expander so the user can hit that little thing reliably
3934             wxRect rect(itemOffset,
3935                         GetLineStart( current ) + (GetLineHeight(current) - m_lineHeight)/2,
3936                         m_lineHeight, m_lineHeight);
3937
3938             if( rect.Contains(x, y) )
3939             {
3940                 // So the mouse is over the expander
3941                 hoverOverExpander = true;
3942                 if (m_underMouse && m_underMouse != node)
3943                 {
3944                     // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3945                     RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3946                 }
3947                 if (m_underMouse != node)
3948                 {
3949                     // wxLogMessage("Do the row: %d", current);
3950                     RefreshRow(current);
3951                 }
3952                 m_underMouse = node;
3953             }
3954         }
3955
3956         // Account for the expander as well, even if this item doesn't have it,
3957         // its parent does so it still counts for the offset.
3958         itemOffset += m_lineHeight;
3959     }
3960     if (!hoverOverExpander)
3961     {
3962         if (m_underMouse != NULL)
3963         {
3964             // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3965             RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3966             m_underMouse = NULL;
3967         }
3968     }
3969
3970 #if wxUSE_DRAG_AND_DROP
3971     if (event.Dragging())
3972     {
3973         if (m_dragCount == 0)
3974         {
3975             // we have to report the raw, physical coords as we want to be
3976             // able to call HitTest(event.m_pointDrag) from the user code to
3977             // get the item being dragged
3978             m_dragStart = event.GetPosition();
3979         }
3980
3981         m_dragCount++;
3982
3983         if (m_dragCount != 3)
3984             return;
3985
3986         if (event.LeftIsDown())
3987         {
3988             m_owner->CalcUnscrolledPosition( m_dragStart.x, m_dragStart.y,
3989                                              &m_dragStart.x, &m_dragStart.y );
3990             unsigned int drag_item_row = GetLineAt( m_dragStart.y );
3991             wxDataViewItem itemDragged = GetItemByRow( drag_item_row );
3992
3993             // Notify cell about drag
3994             wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() );
3995             event.SetEventObject( m_owner );
3996             event.SetItem( itemDragged );
3997             event.SetModel( model );
3998             if (!m_owner->HandleWindowEvent( event ))
3999                 return;
4000
4001             if (!event.IsAllowed())
4002                 return;
4003
4004             wxDataObject *obj = event.GetDataObject();
4005             if (!obj)
4006                 return;
4007
4008             wxDataViewDropSource drag( this, drag_item_row );
4009             drag.SetData( *obj );
4010             /* wxDragResult res = */ drag.DoDragDrop();
4011             delete obj;
4012         }
4013         return;
4014     }
4015     else
4016     {
4017         m_dragCount = 0;
4018     }
4019 #endif // wxUSE_DRAG_AND_DROP
4020
4021     bool simulateClick = false;
4022
4023     if (event.ButtonDClick())
4024     {
4025         m_renameTimer->Stop();
4026         m_lastOnSame = false;
4027     }
4028
4029     bool ignore_other_columns =
4030         ((expander != col) &&
4031         (model->IsContainer(item)) &&
4032         (!model->HasContainerColumns(item)));
4033
4034     if (event.LeftDClick())
4035     {
4036         if(hoverOverExpander)
4037         {
4038             // a double click on the expander will be converted into a "simulated" normal click
4039             simulateClick = true;
4040         }
4041         else if ( current == m_lineLastClicked )
4042         {
4043             wxWindow *parent = GetParent();
4044             wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
4045             le.SetItem( item );
4046             le.SetColumn( col->GetModelColumn() );
4047             le.SetDataViewColumn( col );
4048             le.SetEventObject(parent);
4049             le.SetModel(GetModel());
4050
4051             parent->ProcessWindowEvent(le);
4052             return;
4053         }
4054         else
4055         {
4056             // The first click was on another item, so don't interpret this as
4057             // a double click, but as a simple click instead
4058             simulateClick = true;
4059         }
4060     }
4061
4062     if (event.LeftUp() && !hoverOverExpander)
4063     {
4064         if (m_lineSelectSingleOnUp != (unsigned int)-1)
4065         {
4066             // select single line
4067             SelectAllRows( false );
4068             SelectRow( m_lineSelectSingleOnUp, true );
4069             SendSelectionChangedEvent( GetItemByRow(m_lineSelectSingleOnUp) );
4070         }
4071
4072         // If the user click the expander, we do not do editing even if the column
4073         // with expander are editable
4074         if (m_lastOnSame && !ignore_other_columns)
4075         {
4076             if ((col == m_currentCol) && (current == m_currentRow) &&
4077                 IsCellEditableInMode(item, col, wxDATAVIEW_CELL_EDITABLE) )
4078             {
4079                 m_renameTimer->Start( 100, true );
4080             }
4081         }
4082
4083         m_lastOnSame = false;
4084         m_lineSelectSingleOnUp = (unsigned int)-1;
4085     }
4086     else if(!event.LeftUp())
4087     {
4088         // This is necessary, because after a DnD operation in
4089         // from and to ourself, the up event is swallowed by the
4090         // DnD code. So on next non-up event (which means here and
4091         // now) m_lineSelectSingleOnUp should be reset.
4092         m_lineSelectSingleOnUp = (unsigned int)-1;
4093     }
4094
4095     if (event.RightDown())
4096     {
4097         m_lineBeforeLastClicked = m_lineLastClicked;
4098         m_lineLastClicked = current;
4099
4100         // If the item is already selected, do not update the selection.
4101         // Multi-selections should not be cleared if a selected item is clicked.
4102         if (!IsRowSelected(current))
4103         {
4104             SelectAllRows(false);
4105             const unsigned oldCurrent = m_currentRow;
4106             ChangeCurrentRow(current);
4107             SelectRow(m_currentRow,true);
4108             RefreshRow(oldCurrent);
4109             SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
4110         }
4111     }
4112     else if (event.MiddleDown())
4113     {
4114     }
4115
4116     if((event.LeftDown() || simulateClick) && hoverOverExpander)
4117     {
4118         wxDataViewTreeNode* node = GetTreeNodeByRow(current);
4119
4120         // hoverOverExpander being true tells us that our node must be
4121         // valid and have children.
4122         // So we don't need any extra checks.
4123         if( node->IsOpen() )
4124             Collapse(current);
4125         else
4126             Expand(current);
4127     }
4128     else if ((event.LeftDown() || simulateClick) && !hoverOverExpander)
4129     {
4130         m_lineBeforeLastClicked = m_lineLastClicked;
4131         m_lineLastClicked = current;
4132
4133         unsigned int oldCurrentRow = m_currentRow;
4134         bool oldWasSelected = IsRowSelected(m_currentRow);
4135
4136         bool cmdModifierDown = event.CmdDown();
4137         if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
4138         {
4139             if ( IsSingleSel() || !IsRowSelected(current) )
4140             {
4141                 SelectAllRows( false );
4142                 ChangeCurrentRow(current);
4143                 SelectRow(m_currentRow,true);
4144                 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
4145             }
4146             else // multi sel & current is highlighted & no mod keys
4147             {
4148                 m_lineSelectSingleOnUp = current;
4149                 ChangeCurrentRow(current); // change focus
4150             }
4151         }
4152         else // multi sel & either ctrl or shift is down
4153         {
4154             if (cmdModifierDown)
4155             {
4156                 ChangeCurrentRow(current);
4157                 ReverseRowSelection(m_currentRow);
4158                 SendSelectionChangedEvent(GetItemByRow(m_currentRow));
4159             }
4160             else if (event.ShiftDown())
4161             {
4162                 ChangeCurrentRow(current);
4163
4164                 unsigned int lineFrom = oldCurrentRow,
4165                     lineTo = current;
4166
4167                 if ( lineTo < lineFrom )
4168                 {
4169                     lineTo = lineFrom;
4170                     lineFrom = m_currentRow;
4171                 }
4172
4173                 SelectRows(lineFrom, lineTo, true);
4174                 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
4175             }
4176             else // !ctrl, !shift
4177             {
4178                 // test in the enclosing if should make it impossible
4179                 wxFAIL_MSG( wxT("how did we get here?") );
4180             }
4181         }
4182
4183         if (m_currentRow != oldCurrentRow)
4184             RefreshRow( oldCurrentRow );
4185
4186         wxDataViewColumn *oldCurrentCol = m_currentCol;
4187
4188         // Update selection here...
4189         m_currentCol = col;
4190         m_currentColSetByKeyboard = false;
4191
4192         m_lastOnSame = !simulateClick && ((col == oldCurrentCol) &&
4193                         (current == oldCurrentRow)) && oldWasSelected;
4194
4195         // Call ActivateCell() after everything else as under GTK+
4196         if ( IsCellEditableInMode(item, col, wxDATAVIEW_CELL_ACTIVATABLE) )
4197         {
4198             // notify cell about click
4199             cell->PrepareForItem(model, item, col->GetModelColumn());
4200
4201             wxRect cell_rect( xpos + itemOffset,
4202                               GetLineStart( current ),
4203                               col->GetWidth() - itemOffset,
4204                               GetLineHeight( current ) );
4205
4206             // Report position relative to the cell's custom area, i.e.
4207             // no the entire space as given by the control but the one
4208             // used by the renderer after calculation of alignment etc.
4209
4210             // adjust the rectangle ourselves to account for the alignment
4211             wxRect rectItem = cell_rect;
4212             const int align = cell->GetAlignment();
4213             if ( align != wxDVR_DEFAULT_ALIGNMENT )
4214             {
4215                 const wxSize size = cell->GetSize();
4216
4217                 if ( size.x >= 0 && size.x < cell_rect.width )
4218                 {
4219                     if ( align & wxALIGN_CENTER_HORIZONTAL )
4220                         rectItem.x += (cell_rect.width - size.x)/2;
4221                     else if ( align & wxALIGN_RIGHT )
4222                         rectItem.x += cell_rect.width - size.x;
4223                     // else: wxALIGN_LEFT is the default
4224                 }
4225
4226                 if ( size.y >= 0 && size.y < cell_rect.height )
4227                 {
4228                     if ( align & wxALIGN_CENTER_VERTICAL )
4229                         rectItem.y += (cell_rect.height - size.y)/2;
4230                     else if ( align & wxALIGN_BOTTOM )
4231                         rectItem.y += cell_rect.height - size.y;
4232                     // else: wxALIGN_TOP is the default
4233                 }
4234             }
4235
4236             wxMouseEvent event2(event);
4237             event2.m_x -= rectItem.x;
4238             event2.m_y -= rectItem.y;
4239             m_owner->CalcUnscrolledPosition(event2.m_x, event2.m_y, &event2.m_x, &event2.m_y);
4240
4241              /* ignore ret */ cell->WXActivateCell
4242                                     (
4243                                         cell_rect,
4244                                         model,
4245                                         item,
4246                                         col->GetModelColumn(),
4247                                         &event2
4248                                     );
4249         }
4250     }
4251 }
4252
4253 void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
4254 {
4255     m_hasFocus = true;
4256
4257     if (HasCurrentRow())
4258         Refresh();
4259
4260     event.Skip();
4261 }
4262
4263 void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event )
4264 {
4265     m_hasFocus = false;
4266
4267     if (HasCurrentRow())
4268         Refresh();
4269
4270     event.Skip();
4271 }
4272
4273 void wxDataViewMainWindow::OnColumnsCountChanged()
4274 {
4275     int editableCount = 0;
4276
4277     const unsigned cols = GetOwner()->GetColumnCount();
4278     for ( unsigned i = 0; i < cols; i++ )
4279     {
4280         wxDataViewColumn *c = GetOwner()->GetColumnAt(i);
4281         if ( c->IsHidden() )
4282             continue;
4283         if ( c->GetRenderer()->GetMode() != wxDATAVIEW_CELL_INERT )
4284             editableCount++;
4285     }
4286
4287     m_useCellFocus = (editableCount > 1);
4288
4289     UpdateDisplay();
4290 }
4291
4292 //-----------------------------------------------------------------------------
4293 // wxDataViewCtrl
4294 //-----------------------------------------------------------------------------
4295
4296 WX_DEFINE_LIST(wxDataViewColumnList)
4297
4298 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
4299 BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
4300     EVT_SIZE(wxDataViewCtrl::OnSize)
4301 END_EVENT_TABLE()
4302
4303 wxDataViewCtrl::~wxDataViewCtrl()
4304 {
4305     if (m_notifier)
4306         GetModel()->RemoveNotifier( m_notifier );
4307
4308     m_cols.Clear();
4309     m_colsBestWidths.clear();
4310 }
4311
4312 void wxDataViewCtrl::Init()
4313 {
4314     m_cols.DeleteContents(true);
4315     m_notifier = NULL;
4316
4317     // No sorting column at start
4318     m_sortingColumnIdx = wxNOT_FOUND;
4319
4320     m_headerArea = NULL;
4321
4322     m_colsDirty = false;
4323 }
4324
4325 bool wxDataViewCtrl::Create(wxWindow *parent,
4326                             wxWindowID id,
4327                             const wxPoint& pos,
4328                             const wxSize& size,
4329                             long style,
4330                             const wxValidator& validator,
4331                             const wxString& name)
4332 {
4333 //    if ( (style & wxBORDER_MASK) == 0)
4334 //        style |= wxBORDER_SUNKEN;
4335
4336     Init();
4337
4338     if (!wxControl::Create( parent, id, pos, size,
4339                             style | wxScrolledWindowStyle, validator, name))
4340         return false;
4341
4342     SetInitialSize(size);
4343
4344 #ifdef __WXMAC__
4345     MacSetClipChildren( true );
4346 #endif
4347
4348     m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
4349
4350     // We use the cursor keys for moving the selection, not scrolling, so call
4351     // this method to ensure wxScrollHelperEvtHandler doesn't catch all
4352     // keyboard events forwarded to us from wxListMainWindow.
4353     DisableKeyboardScrolling();
4354
4355     if (HasFlag(wxDV_NO_HEADER))
4356         m_headerArea = NULL;
4357     else
4358         m_headerArea = new wxDataViewHeaderWindow(this);
4359
4360     SetTargetWindow( m_clientArea );
4361
4362     wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
4363     if (m_headerArea)
4364         sizer->Add( m_headerArea, 0, wxGROW );
4365     sizer->Add( m_clientArea, 1, wxGROW );
4366     SetSizer( sizer );
4367
4368     return true;
4369 }
4370
4371 wxBorder wxDataViewCtrl::GetDefaultBorder() const
4372 {
4373     return wxBORDER_THEME;
4374 }
4375
4376 #ifdef __WXMSW__
4377 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
4378                                         WXWPARAM wParam,
4379                                         WXLPARAM lParam)
4380 {
4381     WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
4382
4383 #ifndef __WXWINCE__
4384     // we need to process arrows ourselves for scrolling
4385     if ( nMsg == WM_GETDLGCODE )
4386     {
4387         rc |= DLGC_WANTARROWS;
4388     }
4389 #endif
4390
4391     return rc;
4392 }
4393 #endif
4394
4395 wxSize wxDataViewCtrl::GetSizeAvailableForScrollTarget(const wxSize& size)
4396 {
4397     wxSize newsize = size;
4398     if (!HasFlag(wxDV_NO_HEADER) && (m_headerArea))
4399     newsize.y -= m_headerArea->GetSize().y;
4400
4401     return newsize;
4402 }
4403
4404 void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) )
4405 {
4406     // We need to override OnSize so that our scrolled
4407     // window a) does call Layout() to use sizers for
4408     // positioning the controls but b) does not query
4409     // the sizer for their size and use that for setting
4410     // the scrollable area as set that ourselves by
4411     // calling SetScrollbar() further down.
4412
4413     Layout();
4414
4415     AdjustScrollbars();
4416
4417     // We must redraw the headers if their height changed. Normally this
4418     // shouldn't happen as the control shouldn't let itself be resized beneath
4419     // its minimal height but avoid the display artefacts that appear if it
4420     // does happen, e.g. because there is really not enough vertical space.
4421     if ( !HasFlag(wxDV_NO_HEADER) && m_headerArea &&
4422             m_headerArea->GetSize().y <= m_headerArea->GetBestSize(). y )
4423     {
4424         m_headerArea->Refresh();
4425     }
4426 }
4427
4428 void wxDataViewCtrl::SetFocus()
4429 {
4430     if (m_clientArea)
4431         m_clientArea->SetFocus();
4432 }
4433
4434 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
4435 {
4436     if (!wxDataViewCtrlBase::AssociateModel( model ))
4437         return false;
4438
4439     m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
4440
4441     model->AddNotifier( m_notifier );
4442
4443     m_clientArea->DestroyTree();
4444
4445     m_clientArea->BuildTree(model);
4446
4447     m_clientArea->UpdateDisplay();
4448
4449     return true;
4450 }
4451
4452 #if wxUSE_DRAG_AND_DROP
4453
4454 bool wxDataViewCtrl::EnableDragSource( const wxDataFormat &format )
4455 {
4456     return m_clientArea->EnableDragSource( format );
4457 }
4458
4459 bool wxDataViewCtrl::EnableDropTarget( const wxDataFormat &format )
4460 {
4461     return m_clientArea->EnableDropTarget( format );
4462 }
4463
4464 #endif // wxUSE_DRAG_AND_DROP
4465
4466 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
4467 {
4468     if (!wxDataViewCtrlBase::AppendColumn(col))
4469         return false;
4470
4471     m_cols.Append( col );
4472     m_colsBestWidths.push_back(0);
4473     OnColumnsCountChanged();
4474     return true;
4475 }
4476
4477 bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
4478 {
4479     if (!wxDataViewCtrlBase::PrependColumn(col))
4480         return false;
4481
4482     m_cols.Insert( col );
4483     m_colsBestWidths.insert(m_colsBestWidths.begin(), 0);
4484     OnColumnsCountChanged();
4485     return true;
4486 }
4487
4488 bool wxDataViewCtrl::InsertColumn( unsigned int pos, wxDataViewColumn *col )
4489 {
4490     if (!wxDataViewCtrlBase::InsertColumn(pos,col))
4491         return false;
4492
4493     m_cols.Insert( pos, col );
4494     m_colsBestWidths.insert(m_colsBestWidths.begin() + pos, 0);
4495     OnColumnsCountChanged();
4496     return true;
4497 }
4498
4499 void wxDataViewCtrl::OnColumnChange(unsigned int idx)
4500 {
4501     if ( m_headerArea )
4502         m_headerArea->UpdateColumn(idx);
4503
4504     m_clientArea->UpdateDisplay();
4505 }
4506
4507 void wxDataViewCtrl::OnColumnsCountChanged()
4508 {
4509     if (m_headerArea)
4510         m_headerArea->SetColumnCount(GetColumnCount());
4511
4512     m_clientArea->OnColumnsCountChanged();
4513 }
4514
4515 void wxDataViewCtrl::DoSetExpanderColumn()
4516 {
4517     m_clientArea->UpdateDisplay();
4518 }
4519
4520 void wxDataViewCtrl::DoSetIndent()
4521 {
4522     m_clientArea->UpdateDisplay();
4523 }
4524
4525 unsigned int wxDataViewCtrl::GetColumnCount() const
4526 {
4527     return m_cols.GetCount();
4528 }
4529
4530 bool wxDataViewCtrl::SetRowHeight( int lineHeight )
4531 {
4532     if ( !m_clientArea )
4533         return false;
4534
4535     m_clientArea->SetRowHeight(lineHeight);
4536
4537     return true;
4538 }
4539
4540 wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int idx ) const
4541 {
4542     return m_cols[idx];
4543 }
4544
4545 wxDataViewColumn *wxDataViewCtrl::GetColumnAt(unsigned int pos) const
4546 {
4547     // columns can't be reordered if there is no header window which allows
4548     // to do this
4549     const unsigned idx = m_headerArea ? m_headerArea->GetColumnsOrder()[pos]
4550                                     : pos;
4551
4552     return GetColumn(idx);
4553 }
4554
4555 int wxDataViewCtrl::GetColumnIndex(const wxDataViewColumn *column) const
4556 {
4557     const unsigned count = m_cols.size();
4558     for ( unsigned n = 0; n < count; n++ )
4559     {
4560         if ( m_cols[n] == column )
4561             return n;
4562     }
4563
4564     return wxNOT_FOUND;
4565 }
4566
4567 unsigned int wxDataViewCtrl::GetBestColumnWidth(int idx) const
4568 {
4569     if ( m_colsBestWidths[idx] != 0 )
4570         return m_colsBestWidths[idx];
4571
4572     const int count = m_clientArea->GetRowCount();
4573     wxDataViewColumn *column = GetColumn(idx);
4574     wxDataViewRenderer *renderer =
4575         const_cast<wxDataViewRenderer*>(column->GetRenderer());
4576
4577     class MaxWidthCalculator
4578     {
4579     public:
4580         MaxWidthCalculator(const wxDataViewCtrl *dvc,
4581                            wxDataViewMainWindow *clientArea,
4582                            wxDataViewRenderer *renderer,
4583                            const wxDataViewModel *model,
4584                            unsigned column,
4585                            int expanderSize)
4586             : m_width(0),
4587               m_dvc(dvc),
4588               m_clientArea(clientArea),
4589               m_renderer(renderer),
4590               m_model(model),
4591               m_column(column),
4592               m_expanderSize(expanderSize)
4593
4594         {
4595             m_isExpanderCol =
4596                 !clientArea->IsList() &&
4597                 (column == 0 ||
4598                  GetExpanderColumnOrFirstOne(const_cast<wxDataViewCtrl*>(dvc)) == dvc->GetColumnAt(column));
4599         }
4600
4601         void UpdateWithWidth(int width)
4602         {
4603             m_width = wxMax(m_width, width);
4604         }
4605
4606         void UpdateWithRow(int row)
4607         {
4608             int indent = 0;
4609             wxDataViewItem item;
4610
4611             if ( m_isExpanderCol )
4612             {
4613                 wxDataViewTreeNode *node = m_clientArea->GetTreeNodeByRow(row);
4614                 item = node->GetItem();
4615                 indent = m_dvc->GetIndent() * node->GetIndentLevel() + m_expanderSize;
4616             }
4617             else
4618             {
4619                 item = m_clientArea->GetItemByRow(row);
4620             }
4621
4622             m_renderer->PrepareForItem(m_model, item, m_column);
4623             m_width = wxMax(m_width, m_renderer->GetSize().x + indent);
4624         }
4625
4626         int GetMaxWidth() const { return m_width; }
4627
4628     private:
4629         int m_width;
4630         const wxDataViewCtrl *m_dvc;
4631         wxDataViewMainWindow *m_clientArea;
4632         wxDataViewRenderer *m_renderer;
4633         const wxDataViewModel *m_model;
4634         unsigned m_column;
4635         bool m_isExpanderCol;
4636         int m_expanderSize;
4637     };
4638
4639     MaxWidthCalculator calculator(this, m_clientArea, renderer,
4640                                   GetModel(), column->GetModelColumn(),
4641                                   m_clientArea->GetRowHeight());
4642
4643     if ( m_headerArea )
4644     {
4645         int header_width = m_headerArea->GetTextExtent(column->GetTitle()).x;
4646         // Labels on native MSW header are indented on both sides
4647         header_width +=
4648             wxRendererNative::Get().GetHeaderButtonMargin(m_headerArea);
4649         calculator.UpdateWithWidth(header_width);
4650     }
4651
4652     // The code below deserves some explanation. For very large controls, we
4653     // simply can't afford to calculate sizes for all items, it takes too
4654     // long. So the best we can do is to check the first and the last N/2
4655     // items in the control for some sufficiently large N and calculate best
4656     // sizes from that. That can result in the calculated best width being too
4657     // small for some outliers, but it's better to get slightly imperfect
4658     // result than to wait several seconds after every update. To avoid highly
4659     // visible miscalculations, we also include all currently visible items
4660     // no matter what.  Finally, the value of N is determined dynamically by
4661     // measuring how much time we spent on the determining item widths so far.
4662
4663 #if wxUSE_STOPWATCH
4664     int top_part_end = count;
4665     static const long CALC_TIMEOUT = 20/*ms*/;
4666     // don't call wxStopWatch::Time() too often
4667     static const unsigned CALC_CHECK_FREQ = 100;
4668     wxStopWatch timer;
4669 #else
4670     // use some hard-coded limit, that's the best we can do without timer
4671     int top_part_end = wxMin(500, count);
4672 #endif // wxUSE_STOPWATCH/!wxUSE_STOPWATCH
4673
4674     int row = 0;
4675
4676     for ( row = 0; row < top_part_end; row++ )
4677     {
4678 #if wxUSE_STOPWATCH
4679         if ( row % CALC_CHECK_FREQ == CALC_CHECK_FREQ-1 &&
4680              timer.Time() > CALC_TIMEOUT )
4681             break;
4682 #endif // wxUSE_STOPWATCH
4683         calculator.UpdateWithRow(row);
4684     }
4685
4686     // row is the first unmeasured item now; that's our value of N/2
4687
4688     if ( row < count )
4689     {
4690         top_part_end = row;
4691
4692         // add bottom N/2 items now:
4693         const int bottom_part_start = wxMax(row, count - row);
4694         for ( row = bottom_part_start; row < count; row++ )
4695         {
4696             calculator.UpdateWithRow(row);
4697         }
4698
4699         // finally, include currently visible items in the calculation:
4700         const wxPoint origin = CalcUnscrolledPosition(wxPoint(0, 0));
4701         int first_visible = m_clientArea->GetLineAt(origin.y);
4702         int last_visible = m_clientArea->GetLineAt(origin.y + GetClientSize().y);
4703
4704         first_visible = wxMax(first_visible, top_part_end);
4705         last_visible = wxMin(bottom_part_start, last_visible);
4706
4707         for ( row = first_visible; row < last_visible; row++ )
4708         {
4709             calculator.UpdateWithRow(row);
4710         }
4711
4712         wxLogTrace("dataview",
4713                    "determined best size from %d top, %d bottom plus %d more visible items out of %d total",
4714                    top_part_end,
4715                    count - bottom_part_start,
4716                    wxMax(0, last_visible - first_visible),
4717                    count);
4718     }
4719
4720     int max_width = calculator.GetMaxWidth();
4721     if ( max_width > 0 )
4722         max_width += 2 * PADDING_RIGHTLEFT;
4723
4724     const_cast<wxDataViewCtrl*>(this)->m_colsBestWidths[idx] = max_width;
4725     return max_width;
4726 }
4727
4728 void wxDataViewCtrl::ColumnMoved(wxDataViewColumn * WXUNUSED(col),
4729                                 unsigned int WXUNUSED(new_pos))
4730 {
4731     // do _not_ reorder m_cols elements here, they should always be in the
4732     // order in which columns were added, we only display the columns in
4733     // different order
4734     m_clientArea->UpdateDisplay();
4735 }
4736
4737 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
4738 {
4739     wxDataViewColumnList::compatibility_iterator ret = m_cols.Find( column );
4740     if (!ret)
4741         return false;
4742
4743     m_colsBestWidths.erase(m_colsBestWidths.begin() + GetColumnIndex(column));
4744     m_cols.Erase(ret);
4745     OnColumnsCountChanged();
4746
4747     return true;
4748 }
4749
4750 bool wxDataViewCtrl::ClearColumns()
4751 {
4752     SetExpanderColumn(NULL);
4753     m_cols.Clear();
4754     m_colsBestWidths.clear();
4755     OnColumnsCountChanged();
4756     return true;
4757 }
4758
4759 void wxDataViewCtrl::InvalidateColBestWidth(int idx)
4760 {
4761     m_colsBestWidths[idx] = 0;
4762     m_colsDirty = true;
4763 }
4764
4765 void wxDataViewCtrl::InvalidateColBestWidths()
4766 {
4767     m_colsBestWidths.clear();
4768     m_colsBestWidths.resize(m_cols.size());
4769     m_colsDirty = true;
4770 }
4771
4772 void wxDataViewCtrl::UpdateColWidths()
4773 {
4774     if ( !m_headerArea )
4775         return;
4776
4777     const unsigned len = m_colsBestWidths.size();
4778     for ( unsigned i = 0; i < len; i++ )
4779     {
4780         if ( m_colsBestWidths[i] == 0 )
4781             m_headerArea->UpdateColumn(i);
4782     }
4783 }
4784
4785 void wxDataViewCtrl::OnInternalIdle()
4786 {
4787     wxDataViewCtrlBase::OnInternalIdle();
4788
4789     if ( m_colsDirty )
4790     {
4791         m_colsDirty = false;
4792         UpdateColWidths();
4793     }
4794 }
4795
4796 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
4797 {
4798 #if 1
4799     unsigned int len = GetColumnCount();
4800     for ( unsigned int i = 0; i < len; i++ )
4801     {
4802         wxDataViewColumn * col = GetColumnAt(i);
4803         if (column==col)
4804             return i;
4805     }
4806
4807     return wxNOT_FOUND;
4808 #else
4809     // This returns the position in pixels which is not what we want.
4810     int ret = 0,
4811         dummy = 0;
4812     unsigned int len = GetColumnCount();
4813     for ( unsigned int i = 0; i < len; i++ )
4814     {
4815         wxDataViewColumn * col = GetColumnAt(i);
4816         if (col->IsHidden())
4817             continue;
4818         ret += col->GetWidth();
4819         if (column==col)
4820         {
4821             CalcScrolledPosition( ret, dummy, &ret, &dummy );
4822             break;
4823         }
4824     }
4825     return ret;
4826 #endif
4827 }
4828
4829 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
4830 {
4831     return m_sortingColumnIdx == wxNOT_FOUND ? NULL
4832                                             : GetColumn(m_sortingColumnIdx);
4833 }
4834
4835 wxDataViewItem wxDataViewCtrl::DoGetCurrentItem() const
4836 {
4837     return GetItemByRow(m_clientArea->GetCurrentRow());
4838 }
4839
4840 void wxDataViewCtrl::DoSetCurrentItem(const wxDataViewItem& item)
4841 {
4842     const int row = m_clientArea->GetRowByItem(item);
4843
4844     const unsigned oldCurrent = m_clientArea->GetCurrentRow();
4845     if ( static_cast<unsigned>(row) != oldCurrent )
4846     {
4847         m_clientArea->ChangeCurrentRow(row);
4848         m_clientArea->RefreshRow(oldCurrent);
4849         m_clientArea->RefreshRow(row);
4850     }
4851 }
4852
4853 int wxDataViewCtrl::GetSelectedItemsCount() const
4854 {
4855     return m_clientArea->GetSelections().size();
4856 }
4857
4858 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
4859 {
4860     sel.Empty();
4861     const wxDataViewSelection& selections = m_clientArea->GetSelections();
4862
4863     const size_t len = selections.size();
4864     for ( size_t i = 0; i < len; i++ )
4865     {
4866         wxDataViewItem item = m_clientArea->GetItemByRow(selections[i]);
4867         if ( item.IsOk() )
4868         {
4869             sel.Add(item);
4870         }
4871         else
4872         {
4873             wxFAIL_MSG( "invalid item in selection - bad internal state" );
4874         }
4875     }
4876
4877     return sel.size();
4878 }
4879
4880 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
4881 {
4882     wxDataViewSelection selection(wxDataViewSelectionCmp);
4883
4884     wxDataViewItem last_parent;
4885
4886     int len = sel.GetCount();
4887     for( int i = 0; i < len; i ++ )
4888     {
4889         wxDataViewItem item = sel[i];
4890         wxDataViewItem parent = GetModel()->GetParent( item );
4891         if (parent)
4892         {
4893             if (parent != last_parent)
4894                 ExpandAncestors(item);
4895         }
4896
4897         last_parent = parent;
4898         int row = m_clientArea->GetRowByItem( item );
4899         if( row >= 0 )
4900             selection.Add( static_cast<unsigned int>(row) );
4901     }
4902
4903     m_clientArea->SetSelections( selection );
4904 }
4905
4906 void wxDataViewCtrl::Select( const wxDataViewItem & item )
4907 {
4908     ExpandAncestors( item );
4909
4910     int row = m_clientArea->GetRowByItem( item );
4911     if( row >= 0 )
4912     {
4913         // Unselect all rows before select another in the single select mode
4914         if (m_clientArea->IsSingleSel())
4915             m_clientArea->SelectAllRows(false);
4916
4917         m_clientArea->SelectRow(row, true);
4918
4919         // Also set focus to the selected item
4920         m_clientArea->ChangeCurrentRow( row );
4921     }
4922 }
4923
4924 void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
4925 {
4926     int row = m_clientArea->GetRowByItem( item );
4927     if( row >= 0 )
4928         m_clientArea->SelectRow(row, false);
4929 }
4930
4931 bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
4932 {
4933     int row = m_clientArea->GetRowByItem( item );
4934     if( row >= 0 )
4935     {
4936         return m_clientArea->IsRowSelected(row);
4937     }
4938     return false;
4939 }
4940
4941 void wxDataViewCtrl::SelectAll()
4942 {
4943     m_clientArea->SelectAllRows(true);
4944 }
4945
4946 void wxDataViewCtrl::UnselectAll()
4947 {
4948     m_clientArea->SelectAllRows(false);
4949 }
4950
4951 void wxDataViewCtrl::EnsureVisible( int row, int column )
4952 {
4953     if( row < 0 )
4954         row = 0;
4955     if( row > (int) m_clientArea->GetRowCount() )
4956         row = m_clientArea->GetRowCount();
4957
4958     int first = m_clientArea->GetFirstVisibleRow();
4959     int last = m_clientArea->GetLastVisibleRow();
4960     if( row < first )
4961         m_clientArea->ScrollTo( row, column );
4962     else if( row > last )
4963         m_clientArea->ScrollTo( row - last + first, column );
4964     else
4965         m_clientArea->ScrollTo( first, column );
4966 }
4967
4968 void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
4969 {
4970     ExpandAncestors( item );
4971
4972     m_clientArea->RecalculateDisplay();
4973
4974     int row = m_clientArea->GetRowByItem(item);
4975     if( row >= 0 )
4976     {
4977         if( column == NULL )
4978             EnsureVisible(row, -1);
4979         else
4980             EnsureVisible( row, GetColumnIndex(column) );
4981     }
4982
4983 }
4984
4985 void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item,
4986                               wxDataViewColumn* &column ) const
4987 {
4988     m_clientArea->HitTest(point, item, column);
4989 }
4990
4991 wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item,
4992                                     const wxDataViewColumn* column ) const
4993 {
4994     return m_clientArea->GetItemRect(item, column);
4995 }
4996
4997 wxDataViewItem wxDataViewCtrl::GetItemByRow( unsigned int row ) const
4998 {
4999     return m_clientArea->GetItemByRow( row );
5000 }
5001
5002 int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const
5003 {
5004     return m_clientArea->GetRowByItem( item );
5005 }
5006
5007 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
5008 {
5009     ExpandAncestors( item );
5010
5011     int row = m_clientArea->GetRowByItem( item );
5012     if (row != -1)
5013         m_clientArea->Expand(row);
5014 }
5015
5016 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
5017 {
5018     int row = m_clientArea->GetRowByItem( item );
5019     if (row != -1)
5020         m_clientArea->Collapse(row);
5021 }
5022
5023 bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
5024 {
5025     int row = m_clientArea->GetRowByItem( item );
5026     if (row != -1)
5027         return m_clientArea->IsExpanded(row);
5028     return false;
5029 }
5030
5031 void wxDataViewCtrl::StartEditor( const wxDataViewItem & item, unsigned int column )
5032 {
5033     wxDataViewColumn* col = GetColumn( column );
5034     if (!col)
5035         return;
5036
5037     m_clientArea->StartEditing(item, col);
5038 }
5039
5040 #endif // !wxUSE_GENERICDATAVIEWCTRL
5041
5042 #endif // wxUSE_DATAVIEWCTRL