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     wxDataViewColumn *GetCurrentColumn() const { return m_currentCol; }
 627     void ClearCurrentColumn() { m_currentCol = NULL; }
 628
 629     bool IsSingleSel() const { return !GetParent()->HasFlag(wxDV_MULTIPLE); }
 630     bool IsEmpty() { return GetRowCount() == 0; }
 631
 632     int GetCountPerPage() const;
 633     int GetEndOfLastCol() const;
 634     unsigned int GetFirstVisibleRow() const;
 635
 636     // I change this method to un const because in the tree view,
 637     // the displaying number of the tree are changing along with the
 638     // expanding/collapsing of the tree nodes
 639     unsigned int GetLastVisibleRow();
 640     unsigned int GetRowCount();
 641
 642     const wxDataViewSelection& GetSelections() const { return m_selection; }
 643     void SetSelections( const wxDataViewSelection & sel )
 644         { m_selection = sel; UpdateDisplay(); }
 645     void Select( const wxArrayInt& aSelections );
 646     void SelectAllRows( bool on );
 647     void SelectRow( unsigned int row, bool on );
 648     void SelectRows( unsigned int from, unsigned int to, bool on );
 649     void ReverseRowSelection( unsigned int row );
 650     bool IsRowSelected( unsigned int row );
 651     void SendSelectionChangedEvent( const wxDataViewItem& item);
 652
 653     void RefreshRow( unsigned int row );
 654     void RefreshRows( unsigned int from, unsigned int to );
 655     void RefreshRowsAfter( unsigned int firstRow );
 656
 657     // returns the colour to be used for drawing the rules
 658     wxColour GetRuleColour() const
 659     {
 660         return wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
 661     }
 662
 663     wxRect GetLineRect( unsigned int row ) const;
 664
 665     int GetLineStart( unsigned int row ) const;  // row * m_lineHeight in fixed mode
 666     int GetLineHeight( unsigned int row ) const; // m_lineHeight in fixed mode
 667     int GetLineAt( unsigned int y ) const;       // y / m_lineHeight in fixed mode
 668
 669     void SetRowHeight( int lineHeight ) { m_lineHeight = lineHeight; }
 670     int GetRowHeight() const { return m_lineHeight; }
 671
 672     // Some useful functions for row and item mapping
 673     wxDataViewItem GetItemByRow( unsigned int row ) const;
 674     int GetRowByItem( const wxDataViewItem & item ) const;
 675
 676     wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row ) const;
 677     // We did not need this temporarily
 678     // wxDataViewTreeNode * GetTreeNodeByItem( const wxDataViewItem & item );
 679
 680     // Methods for building the mapping tree
 681     void BuildTree( wxDataViewModel  * model );
 682     void DestroyTree();
 683     void HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column );
 684     wxRect GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column );
 685
 686     void Expand( unsigned int row );
 687     void Collapse( unsigned int row );
 688     bool IsExpanded( unsigned int row ) const;
 689     bool HasChildren( unsigned int row ) const;
 690
 691 #if wxUSE_DRAG_AND_DROP
 692     bool EnableDragSource( const wxDataFormat &format );
 693     bool EnableDropTarget( const wxDataFormat &format );
 694
 695     void RemoveDropHint();
 696     wxDragResult OnDragOver( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def );
 697     bool OnDrop( wxDataFormat format, wxCoord x, wxCoord y );
 698     wxDragResult OnData( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def );
 699     void OnLeave();
 700 #endif // wxUSE_DRAG_AND_DROP
 701
 702     void OnColumnsCountChanged();
 703
 704     // Called by wxDataViewCtrl and our own OnRenameTimer() to start edit the
 705     // specified item in the given column.
 706     void StartEditing(const wxDataViewItem& item, const wxDataViewColumn* col);
 707
 708 private:
 709     int RecalculateCount();
 710
 711     // Return false only if the event was vetoed by its handler.
 712     bool SendExpanderEvent(wxEventType type, const wxDataViewItem& item);
 713
 714     wxDataViewTreeNode * FindNode( const wxDataViewItem & item );
 715
 716     wxDataViewColumn *FindColumnForEditing(const wxDataViewItem& item, wxDataViewCellMode mode);
 717
 718     bool IsCellEditableInMode(const wxDataViewItem& item, const wxDataViewColumn *col, wxDataViewCellMode mode) const;
 719
 720     void DrawCellBackground( wxDataViewRenderer* cell, wxDC& dc, const wxRect& rect );
 721
 722 private:
 723     wxDataViewCtrl             *m_owner;
 724     int                         m_lineHeight;
 725     bool                        m_dirty;
 726
 727     wxDataViewColumn           *m_currentCol;
 728     unsigned int                m_currentRow;
 729     wxDataViewSelection         m_selection;
 730
 731     wxDataViewRenameTimer      *m_renameTimer;
 732     bool                        m_lastOnSame;
 733
 734     bool                        m_hasFocus;
 735     bool                        m_useCellFocus;
 736     bool                        m_currentColSetByKeyboard;
 737
 738 #if wxUSE_DRAG_AND_DROP
 739     int                         m_dragCount;
 740     wxPoint                     m_dragStart;
 741
 742     bool                        m_dragEnabled;
 743     wxDataFormat                m_dragFormat;
 744
 745     bool                        m_dropEnabled;
 746     wxDataFormat                m_dropFormat;
 747     bool                        m_dropHint;
 748     unsigned int                m_dropHintLine;
 749 #endif // wxUSE_DRAG_AND_DROP
 750
 751     // for double click logic
 752     unsigned int m_lineLastClicked,
 753         m_lineBeforeLastClicked,
 754         m_lineSelectSingleOnUp;
 755
 756     // the pen used to draw horiz/vertical rules
 757     wxPen m_penRule;
 758
 759     // the pen used to draw the expander and the lines
 760     wxPen m_penExpander;
 761
 762     // This is the tree structure of the model
 763     wxDataViewTreeNode * m_root;
 764     int m_count;
 765
 766     // This is the tree node under the cursor
 767     wxDataViewTreeNode * m_underMouse;
 768
 769     // The control used for editing or NULL.
 770     wxWeakRef<wxWindow> m_editorCtrl;
 771
 772     // Id m_editorCtrl is non-NULL, pointer to the associated renderer.
 773     wxDataViewRenderer* m_editorRenderer;
 774
 775 private:
 776     DECLARE_DYNAMIC_CLASS(wxDataViewMainWindow)
 777     DECLARE_EVENT_TABLE()
 778 };
 779
 780 // ---------------------------------------------------------
 781 // wxGenericDataViewModelNotifier
 782 // ---------------------------------------------------------
 783
 784 class wxGenericDataViewModelNotifier: public wxDataViewModelNotifier
 785 {
 786 public:
 787     wxGenericDataViewModelNotifier( wxDataViewMainWindow *mainWindow )
 788         { m_mainWindow = mainWindow; }
 789
 790     virtual bool ItemAdded( const wxDataViewItem & parent, const wxDataViewItem & item )
 791         { return m_mainWindow->ItemAdded( parent , item ); }
 792     virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
 793         { return m_mainWindow->ItemDeleted( parent, item ); }
 794     virtual bool ItemChanged( const wxDataViewItem & item )
 795         { return m_mainWindow->ItemChanged(item);  }
 796     virtual bool ValueChanged( const wxDataViewItem & item , unsigned int col )
 797         { return m_mainWindow->ValueChanged( item, col ); }
 798     virtual bool Cleared()
 799         { return m_mainWindow->Cleared(); }
 800     virtual void Resort()
 801         { m_mainWindow->Resort(); }
 802
 803     wxDataViewMainWindow    *m_mainWindow;
 804 };
 805
 806 // ---------------------------------------------------------
 807 // wxDataViewRenderer
 808 // ---------------------------------------------------------
 809
 810 IMPLEMENT_ABSTRACT_CLASS(wxDataViewRenderer, wxDataViewRendererBase)
 811
 812 wxDataViewRenderer::wxDataViewRenderer( const wxString &varianttype,
 813                                         wxDataViewCellMode mode,
 814                                         int align) :
 815     wxDataViewCustomRendererBase( varianttype, mode, align )
 816 {
 817     m_align = align;
 818     m_mode = mode;
 819     m_ellipsizeMode = wxELLIPSIZE_MIDDLE;
 820     m_dc = NULL;
 821 }
 822
 823 wxDataViewRenderer::~wxDataViewRenderer()
 824 {
 825     delete m_dc;
 826 }
 827
 828 wxDC *wxDataViewRenderer::GetDC()
 829 {
 830     if (m_dc == NULL)
 831     {
 832         if (GetOwner() == NULL)
 833             return NULL;
 834         if (GetOwner()->GetOwner() == NULL)
 835             return NULL;
 836         m_dc = new wxClientDC( GetOwner()->GetOwner() );
 837     }
 838
 839     return m_dc;
 840 }
 841
 842 void wxDataViewRenderer::SetAlignment( int align )
 843 {
 844     m_align=align;
 845 }
 846
 847 int wxDataViewRenderer::GetAlignment() const
 848 {
 849     return m_align;
 850 }
 851
 852 // ---------------------------------------------------------
 853 // wxDataViewCustomRenderer
 854 // ---------------------------------------------------------
 855
 856 IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
 857
 858 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
 859                         wxDataViewCellMode mode, int align ) :
 860     wxDataViewRenderer( varianttype, mode, align )
 861 {
 862 }
 863
 864 // ---------------------------------------------------------
 865 // wxDataViewTextRenderer
 866 // ---------------------------------------------------------
 867
 868 IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewRenderer)
 869
 870 wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype,
 871                                                 wxDataViewCellMode mode, int align ) :
 872     wxDataViewRenderer( varianttype, mode, align )
 873 {
 874 }
 875
 876 bool wxDataViewTextRenderer::SetValue( const wxVariant &value )
 877 {
 878     m_text = value.GetString();
 879
 880     return true;
 881 }
 882
 883 bool wxDataViewTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
 884 {
 885     return false;
 886 }
 887
 888 bool wxDataViewTextRenderer::HasEditorCtrl() const
 889 {
 890     return true;
 891 }
 892
 893 wxWindow* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent,
 894         wxRect labelRect, const wxVariant &value )
 895 {
 896     wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, value,
 897                                        wxPoint(labelRect.x,labelRect.y),
 898                                        wxSize(labelRect.width,labelRect.height),
 899                                        wxTE_PROCESS_ENTER );
 900
 901     // select the text in the control an place the cursor at the end
 902     ctrl->SetInsertionPointEnd();
 903     ctrl->SelectAll();
 904
 905     return ctrl;
 906 }
 907
 908 bool wxDataViewTextRenderer::GetValueFromEditorCtrl( wxWindow *editor, wxVariant &value )
 909 {
 910     wxTextCtrl *text = (wxTextCtrl*) editor;
 911     value = text->GetValue();
 912     return true;
 913 }
 914
 915 bool wxDataViewTextRenderer::Render(wxRect rect, wxDC *dc, int state)
 916 {
 917     RenderText(m_text, 0, rect, dc, state);
 918     return true;
 919 }
 920
 921 wxSize wxDataViewTextRenderer::GetSize() const
 922 {
 923     if (!m_text.empty())
 924         return GetTextExtent(m_text);
 925     else
 926         return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE);
 927 }
 928
 929 // ---------------------------------------------------------
 930 // wxDataViewBitmapRenderer
 931 // ---------------------------------------------------------
 932
 933 IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewRenderer)
 934
 935 wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype,
 936                                                     wxDataViewCellMode mode, int align ) :
 937     wxDataViewRenderer( varianttype, mode, align )
 938 {
 939 }
 940
 941 bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
 942 {
 943     if (value.GetType() == wxT("wxBitmap"))
 944         m_bitmap << value;
 945     if (value.GetType() == wxT("wxIcon"))
 946         m_icon << value;
 947
 948     return true;
 949 }
 950
 951 bool wxDataViewBitmapRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
 952 {
 953     return false;
 954 }
 955
 956 bool wxDataViewBitmapRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 957 {
 958     if (m_bitmap.IsOk())
 959         dc->DrawBitmap( m_bitmap, cell.x, cell.y );
 960     else if (m_icon.IsOk())
 961         dc->DrawIcon( m_icon, cell.x, cell.y );
 962
 963     return true;
 964 }
 965
 966 wxSize wxDataViewBitmapRenderer::GetSize() const
 967 {
 968     if (m_bitmap.IsOk())
 969         return wxSize( m_bitmap.GetWidth(), m_bitmap.GetHeight() );
 970     else if (m_icon.IsOk())
 971         return wxSize( m_icon.GetWidth(), m_icon.GetHeight() );
 972
 973     return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE);
 974 }
 975
 976 // ---------------------------------------------------------
 977 // wxDataViewToggleRenderer
 978 // ---------------------------------------------------------
 979
 980 IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleRenderer, wxDataViewRenderer)
 981
 982 wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
 983                         wxDataViewCellMode mode, int align ) :
 984     wxDataViewRenderer( varianttype, mode, align )
 985 {
 986     m_toggle = false;
 987 }
 988
 989 bool wxDataViewToggleRenderer::SetValue( const wxVariant &value )
 990 {
 991     m_toggle = value.GetBool();
 992
 993     return true;
 994 }
 995
 996 bool wxDataViewToggleRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
 997 {
 998     return false;
 999 }
1000
1001 bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
1002 {
1003     int flags = 0;
1004     if (m_toggle)
1005         flags |= wxCONTROL_CHECKED;
1006     if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE ||
1007         GetEnabled() == false)
1008         flags |= wxCONTROL_DISABLED;
1009
1010     // check boxes we draw must always have the same, standard size (if it's
1011     // bigger than the cell size the checkbox will be truncated because the
1012     // caller had set the clipping rectangle to prevent us from drawing outside
1013     // the cell)
1014     cell.SetSize(GetSize());
1015
1016     wxRendererNative::Get().DrawCheckBox(
1017             GetOwner()->GetOwner(),
1018             *dc,
1019             cell,
1020             flags );
1021
1022     return true;
1023 }
1024
1025 bool wxDataViewToggleRenderer::WXActivateCell(const wxRect& WXUNUSED(cell),
1026                                               wxDataViewModel *model,
1027                                               const wxDataViewItem& item,
1028                                               unsigned int col,
1029                                               const wxMouseEvent *mouseEvent)
1030 {
1031     if ( mouseEvent )
1032     {
1033         // only react to clicks directly on the checkbox, not elsewhere in the same cell:
1034         if ( !wxRect(GetSize()).Contains(mouseEvent->GetPosition()) )
1035             return false;
1036     }
1037
1038     model->ChangeValue(!m_toggle, item, col);
1039     return true;
1040 }
1041
1042 wxSize wxDataViewToggleRenderer::GetSize() const
1043 {
1044     // the window parameter is not used by GetCheckBoxSize() so it's
1045     // safe to pass NULL
1046     return wxRendererNative::Get().GetCheckBoxSize(NULL);
1047 }
1048
1049 // ---------------------------------------------------------
1050 // wxDataViewProgressRenderer
1051 // ---------------------------------------------------------
1052
1053 IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressRenderer, wxDataViewRenderer)
1054
1055 wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
1056     const wxString &varianttype, wxDataViewCellMode mode, int align ) :
1057     wxDataViewRenderer( varianttype, mode, align )
1058 {
1059     m_label = label;
1060     m_value = 0;
1061 }
1062
1063 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
1064 {
1065     m_value = (long) value;
1066
1067     if (m_value < 0) m_value = 0;
1068     if (m_value > 100) m_value = 100;
1069
1070     return true;
1071 }
1072
1073 bool wxDataViewProgressRenderer::GetValue( wxVariant &value ) const
1074 {
1075     value = (long) m_value;
1076     return true;
1077 }
1078
1079 bool
1080 wxDataViewProgressRenderer::Render(wxRect rect, wxDC *dc, int WXUNUSED(state))
1081 {
1082     // deflate the rect to leave a small border between bars in adjacent rows
1083     wxRect bar = rect.Deflate(0, 1);
1084
1085     dc->SetBrush( *wxTRANSPARENT_BRUSH );
1086     dc->SetPen( *wxBLACK_PEN );
1087     dc->DrawRectangle( bar );
1088
1089     bar.width = (int)(bar.width * m_value / 100.);
1090     dc->SetPen( *wxTRANSPARENT_PEN );
1091
1092     const wxDataViewItemAttr& attr = GetAttr();
1093     dc->SetBrush( attr.HasColour() ? wxBrush(attr.GetColour())
1094                                   : *wxBLUE_BRUSH );
1095     dc->DrawRectangle( bar );
1096
1097     return true;
1098 }
1099
1100 wxSize wxDataViewProgressRenderer::GetSize() const
1101 {
1102     return wxSize(40,12);
1103 }
1104
1105 // ---------------------------------------------------------
1106 // wxDataViewIconTextRenderer
1107 // ---------------------------------------------------------
1108
1109 IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewRenderer)
1110
1111 wxDataViewIconTextRenderer::wxDataViewIconTextRenderer(
1112 const wxString &varianttype, wxDataViewCellMode mode, int align ) :
1113     wxDataViewRenderer( varianttype, mode, align )
1114 {
1115     SetMode(mode);
1116     SetAlignment(align);
1117 }
1118
1119 bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
1120 {
1121     m_value << value;
1122     return true;
1123 }
1124
1125 bool wxDataViewIconTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
1126 {
1127     return false;
1128 }
1129
1130 bool wxDataViewIconTextRenderer::Render(wxRect rect, wxDC *dc, int state)
1131 {
1132     int xoffset = 0;
1133
1134     const wxIcon& icon = m_value.GetIcon();
1135     if ( icon.IsOk() )
1136     {
1137         dc->DrawIcon(icon, rect.x, rect.y + (rect.height - icon.GetHeight())/2);
1138         xoffset = icon.GetWidth()+4;
1139     }
1140
1141     RenderText(m_value.GetText(), xoffset, rect, dc, state);
1142
1143     return true;
1144 }
1145
1146 wxSize wxDataViewIconTextRenderer::GetSize() const
1147 {
1148     if (!m_value.GetText().empty())
1149     {
1150         wxSize size = GetTextExtent(m_value.GetText());
1151
1152         if (m_value.GetIcon().IsOk())
1153             size.x += m_value.GetIcon().GetWidth() + 4;
1154         return size;
1155     }
1156     return wxSize(80,20);
1157 }
1158
1159 wxWindow* wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow *parent, wxRect labelRect, const wxVariant& value)
1160 {
1161     wxDataViewIconText iconText;
1162     iconText << value;
1163
1164     wxString text = iconText.GetText();
1165
1166     // adjust the label rect to take the width of the icon into account
1167     if (iconText.GetIcon().IsOk())
1168     {
1169         int w = iconText.GetIcon().GetWidth() + 4;
1170         labelRect.x += w;
1171         labelRect.width -= w;
1172     }
1173
1174     wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, text,
1175                                        wxPoint(labelRect.x,labelRect.y),
1176                                        wxSize(labelRect.width,labelRect.height),
1177                                        wxTE_PROCESS_ENTER );
1178
1179     // select the text in the control an place the cursor at the end
1180     ctrl->SetInsertionPointEnd();
1181     ctrl->SelectAll();
1182
1183     return ctrl;
1184 }
1185
1186 bool wxDataViewIconTextRenderer::GetValueFromEditorCtrl( wxWindow *editor, wxVariant& value )
1187 {
1188     wxTextCtrl *text = (wxTextCtrl*) editor;
1189
1190     wxDataViewIconText iconText(text->GetValue(), m_value.GetIcon());
1191     value << iconText;
1192     return true;
1193 }
1194
1195 //-----------------------------------------------------------------------------
1196 // wxDataViewDropTarget
1197 //-----------------------------------------------------------------------------
1198
1199 #if wxUSE_DRAG_AND_DROP
1200
1201 class wxBitmapCanvas: public wxWindow
1202 {
1203 public:
1204     wxBitmapCanvas( wxWindow *parent, const wxBitmap &bitmap, const wxSize &size ) :
1205     wxWindow( parent, wxID_ANY, wxPoint(0,0), size )
1206     {
1207         m_bitmap = bitmap;
1208         Connect( wxEVT_PAINT, wxPaintEventHandler(wxBitmapCanvas::OnPaint) );
1209     }
1210
1211     void OnPaint( wxPaintEvent &WXUNUSED(event) )
1212     {
1213         wxPaintDC dc(this);
1214         dc.DrawBitmap( m_bitmap, 0, 0);
1215     }
1216
1217     wxBitmap m_bitmap;
1218 };
1219
1220 class wxDataViewDropSource: public wxDropSource
1221 {
1222 public:
1223     wxDataViewDropSource( wxDataViewMainWindow *win, unsigned int row ) :
1224         wxDropSource( win )
1225     {
1226         m_win = win;
1227         m_row = row;
1228         m_hint = NULL;
1229     }
1230
1231     ~wxDataViewDropSource()
1232     {
1233         delete m_hint;
1234     }
1235
1236     virtual bool GiveFeedback( wxDragResult WXUNUSED(effect) )
1237     {
1238         wxPoint pos = wxGetMousePosition();
1239
1240         if (!m_hint)
1241         {
1242             int liney = m_win->GetLineStart( m_row );
1243             int linex = 0;
1244             m_win->GetOwner()->CalcUnscrolledPosition( 0, liney, NULL, &liney );
1245             m_win->ClientToScreen( &linex, &liney );
1246             m_dist_x = pos.x - linex;
1247             m_dist_y = pos.y - liney;
1248
1249             int indent = 0;
1250             wxBitmap ib = m_win->CreateItemBitmap( m_row, indent );
1251             m_dist_x -= indent;
1252             m_hint = new wxFrame( m_win->GetParent(), wxID_ANY, wxEmptyString,
1253                                         wxPoint(pos.x - m_dist_x, pos.y + 5 ),
1254                                         ib.GetSize(),
1255                                         wxFRAME_TOOL_WINDOW |
1256                                         wxFRAME_FLOAT_ON_PARENT |
1257                                         wxFRAME_NO_TASKBAR |
1258                                         wxNO_BORDER );
1259             new wxBitmapCanvas( m_hint, ib, ib.GetSize() );
1260             m_hint->Show();
1261         }
1262         else
1263         {
1264             m_hint->Move( pos.x - m_dist_x, pos.y + 5  );
1265             m_hint->SetTransparent( 128 );
1266         }
1267
1268         return false;
1269     }
1270
1271     wxDataViewMainWindow   *m_win;
1272     unsigned int            m_row;
1273     wxFrame                *m_hint;
1274     int m_dist_x,m_dist_y;
1275 };
1276
1277
1278 class wxDataViewDropTarget: public wxDropTarget
1279 {
1280 public:
1281     wxDataViewDropTarget( wxDataObject *obj, wxDataViewMainWindow *win ) :
1282         wxDropTarget( obj )
1283     {
1284         m_win = win;
1285     }
1286
1287     virtual wxDragResult OnDragOver( wxCoord x, wxCoord y, wxDragResult def )
1288     {
1289         wxDataFormat format = GetMatchingPair();
1290         if (format == wxDF_INVALID)
1291             return wxDragNone;
1292         return m_win->OnDragOver( format, x, y, def);
1293     }
1294
1295     virtual bool OnDrop( wxCoord x, wxCoord y )
1296     {
1297         wxDataFormat format = GetMatchingPair();
1298         if (format == wxDF_INVALID)
1299             return false;
1300         return m_win->OnDrop( format, x, y );
1301     }
1302
1303     virtual wxDragResult OnData( wxCoord x, wxCoord y, wxDragResult def )
1304     {
1305         wxDataFormat format = GetMatchingPair();
1306         if (format == wxDF_INVALID)
1307             return wxDragNone;
1308         if (!GetData())
1309             return wxDragNone;
1310         return m_win->OnData( format, x, y, def );
1311     }
1312
1313     virtual void OnLeave()
1314         { m_win->OnLeave(); }
1315
1316     wxDataViewMainWindow   *m_win;
1317 };
1318
1319 #endif // wxUSE_DRAG_AND_DROP
1320
1321 //-----------------------------------------------------------------------------
1322 // wxDataViewRenameTimer
1323 //-----------------------------------------------------------------------------
1324
1325 wxDataViewRenameTimer::wxDataViewRenameTimer( wxDataViewMainWindow *owner )
1326 {
1327     m_owner = owner;
1328 }
1329
1330 void wxDataViewRenameTimer::Notify()
1331 {
1332     m_owner->OnRenameTimer();
1333 }
1334
1335 //-----------------------------------------------------------------------------
1336 // wxDataViewMainWindow
1337 //-----------------------------------------------------------------------------
1338
1339 // The tree building helper, declared firstly
1340 static void BuildTreeHelper( const wxDataViewModel * model,  const wxDataViewItem & item,
1341                              wxDataViewTreeNode * node);
1342
1343 int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )
1344 {
1345     if (row1 > row2) return 1;
1346     if (row1 == row2) return 0;
1347     return -1;
1348 }
1349
1350 IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
1351
1352 BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
1353     EVT_PAINT         (wxDataViewMainWindow::OnPaint)
1354     EVT_MOUSE_EVENTS  (wxDataViewMainWindow::OnMouse)
1355     EVT_SET_FOCUS     (wxDataViewMainWindow::OnSetFocus)
1356     EVT_KILL_FOCUS    (wxDataViewMainWindow::OnKillFocus)
1357     EVT_CHAR_HOOK     (wxDataViewMainWindow::OnCharHook)
1358     EVT_CHAR          (wxDataViewMainWindow::OnChar)
1359 END_EVENT_TABLE()
1360
1361 wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
1362     const wxPoint &pos, const wxSize &size, const wxString &name ) :
1363     wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE, name ),
1364     m_selection( wxDataViewSelectionCmp )
1365
1366 {
1367     SetOwner( parent );
1368
1369     m_editorRenderer = NULL;
1370
1371     m_lastOnSame = false;
1372     m_renameTimer = new wxDataViewRenameTimer( this );
1373
1374     // TODO: user better initial values/nothing selected
1375     m_currentCol = NULL;
1376     m_currentColSetByKeyboard = false;
1377     m_useCellFocus = false;
1378     m_currentRow = 0;
1379
1380     m_lineHeight = wxMax( 17, GetCharHeight() + 4 ); // 17 = mini icon height + 1
1381
1382 #if wxUSE_DRAG_AND_DROP
1383     m_dragCount = 0;
1384     m_dragStart = wxPoint(0,0);
1385
1386     m_dragEnabled = false;
1387     m_dropEnabled = false;
1388     m_dropHint = false;
1389     m_dropHintLine = (unsigned int) -1;
1390 #endif // wxUSE_DRAG_AND_DROP
1391
1392     m_lineLastClicked = (unsigned int) -1;
1393     m_lineBeforeLastClicked = (unsigned int) -1;
1394     m_lineSelectSingleOnUp = (unsigned int) -1;
1395
1396     m_hasFocus = false;
1397
1398     SetBackgroundColour( *wxWHITE );
1399
1400     SetBackgroundStyle(wxBG_STYLE_CUSTOM);
1401
1402     m_penRule = wxPen(GetRuleColour());
1403
1404     // compose a pen whichcan draw black lines
1405     // TODO: maybe there is something system colour to use
1406     m_penExpander = wxPen(wxColour(0,0,0));
1407
1408     m_root = wxDataViewTreeNode::CreateRootNode();
1409
1410     // Make m_count = -1 will cause the class recaculate the real displaying number of rows.
1411     m_count = -1;
1412     m_underMouse = NULL;
1413     UpdateDisplay();
1414 }
1415
1416 wxDataViewMainWindow::~wxDataViewMainWindow()
1417 {
1418     DestroyTree();
1419     delete m_renameTimer;
1420 }
1421
1422
1423 #if wxUSE_DRAG_AND_DROP
1424 bool wxDataViewMainWindow::EnableDragSource( const wxDataFormat &format )
1425 {
1426     m_dragFormat = format;
1427     m_dragEnabled = format != wxDF_INVALID;
1428
1429     return true;
1430 }
1431
1432 bool wxDataViewMainWindow::EnableDropTarget( const wxDataFormat &format )
1433 {
1434     m_dropFormat = format;
1435     m_dropEnabled = format != wxDF_INVALID;
1436
1437     if (m_dropEnabled)
1438         SetDropTarget( new wxDataViewDropTarget( new wxCustomDataObject( format ), this ) );
1439
1440     return true;
1441 }
1442
1443 void wxDataViewMainWindow::RemoveDropHint()
1444 {
1445     if (m_dropHint)
1446     {
1447             m_dropHint = false;
1448             RefreshRow( m_dropHintLine );
1449             m_dropHintLine = (unsigned int) -1;
1450     }
1451 }
1452
1453 wxDragResult wxDataViewMainWindow::OnDragOver( wxDataFormat format, wxCoord x,
1454                                                wxCoord y, wxDragResult def )
1455 {
1456     int xx = x;
1457     int yy = y;
1458     m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1459     unsigned int row = GetLineAt( yy );
1460
1461     if ((row >= GetRowCount()) || (xx > GetEndOfLastCol()))
1462     {
1463         RemoveDropHint();
1464         return wxDragNone;
1465     }
1466
1467     wxDataViewItem item = GetItemByRow( row );
1468
1469     wxDataViewModel *model = GetModel();
1470
1471     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1472     event.SetEventObject( m_owner );
1473     event.SetItem( item );
1474     event.SetModel( model );
1475     event.SetDataFormat( format );
1476     if (!m_owner->HandleWindowEvent( event ))
1477     {
1478         RemoveDropHint();
1479         return wxDragNone;
1480     }
1481
1482     if (!event.IsAllowed())
1483     {
1484         RemoveDropHint();
1485         return wxDragNone;
1486     }
1487
1488
1489     if (m_dropHint && (row != m_dropHintLine))
1490         RefreshRow( m_dropHintLine );
1491     m_dropHint = true;
1492     m_dropHintLine = row;
1493     RefreshRow( row );
1494
1495     return def;
1496 }
1497
1498 bool wxDataViewMainWindow::OnDrop( wxDataFormat format, wxCoord x, wxCoord y )
1499 {
1500     RemoveDropHint();
1501
1502     int xx = x;
1503     int yy = y;
1504     m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1505     unsigned int row = GetLineAt( yy );
1506
1507     if ((row >= GetRowCount()) || (xx > GetEndOfLastCol()))
1508         return false;
1509
1510     wxDataViewItem item = GetItemByRow( row );
1511
1512     wxDataViewModel *model = GetModel();
1513
1514     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1515     event.SetEventObject( m_owner );
1516     event.SetItem( item );
1517     event.SetModel( model );
1518     event.SetDataFormat( format );
1519     if (!m_owner->HandleWindowEvent( event ))
1520         return false;
1521
1522     if (!event.IsAllowed())
1523         return false;
1524
1525     return true;
1526 }
1527
1528 wxDragResult wxDataViewMainWindow::OnData( wxDataFormat format, wxCoord x, wxCoord y,
1529                                            wxDragResult def )
1530 {
1531     int xx = x;
1532     int yy = y;
1533     m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1534     unsigned int row = GetLineAt( yy );
1535
1536     if ((row >= GetRowCount()) || (xx > GetEndOfLastCol()))
1537         return wxDragNone;
1538
1539     wxDataViewItem item = GetItemByRow( row );
1540
1541     wxDataViewModel *model = GetModel();
1542
1543     wxCustomDataObject *obj = (wxCustomDataObject *) GetDropTarget()->GetDataObject();
1544
1545     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, m_owner->GetId() );
1546     event.SetEventObject( m_owner );
1547     event.SetItem( item );
1548     event.SetModel( model );
1549     event.SetDataFormat( format );
1550     event.SetDataSize( obj->GetSize() );
1551     event.SetDataBuffer( obj->GetData() );
1552     if (!m_owner->HandleWindowEvent( event ))
1553         return wxDragNone;
1554
1555     if (!event.IsAllowed())
1556         return wxDragNone;
1557
1558     return def;
1559 }
1560
1561 void wxDataViewMainWindow::OnLeave()
1562 {
1563     RemoveDropHint();
1564 }
1565
1566 wxBitmap wxDataViewMainWindow::CreateItemBitmap( unsigned int row, int &indent )
1567 {
1568     int height = GetLineHeight( row );
1569     int width = 0;
1570     unsigned int cols = GetOwner()->GetColumnCount();
1571     unsigned int col;
1572     for (col = 0; col < cols; col++)
1573     {
1574         wxDataViewColumn *column = GetOwner()->GetColumnAt(col);
1575         if (column->IsHidden())
1576             continue;      // skip it!
1577         width += column->GetWidth();
1578     }
1579
1580     indent = 0;
1581     if (!IsList())
1582     {
1583         wxDataViewTreeNode *node = GetTreeNodeByRow(row);
1584         indent = GetOwner()->GetIndent() * node->GetIndentLevel();
1585         indent = indent + m_lineHeight;
1586             // try to use the m_lineHeight as the expander space
1587     }
1588     width -= indent;
1589
1590     wxBitmap bitmap( width, height );
1591     wxMemoryDC dc( bitmap );
1592     dc.SetFont( GetFont() );
1593     dc.SetPen( *wxBLACK_PEN );
1594     dc.SetBrush( *wxWHITE_BRUSH );
1595     dc.DrawRectangle( 0,0,width,height );
1596
1597     wxDataViewModel *model = m_owner->GetModel();
1598
1599     wxDataViewColumn * const
1600         expander = GetExpanderColumnOrFirstOne(GetOwner());
1601
1602     int x = 0;
1603     for (col = 0; col < cols; col++)
1604     {
1605         wxDataViewColumn *column = GetOwner()->GetColumnAt( col );
1606         wxDataViewRenderer *cell = column->GetRenderer();
1607
1608         if (column->IsHidden())
1609             continue;       // skip it!
1610
1611         width = column->GetWidth();
1612
1613         if (column == expander)
1614             width -= indent;
1615
1616         wxDataViewItem item = GetItemByRow( row );
1617         cell->PrepareForItem(model, item, column->GetModelColumn());
1618
1619         wxRect item_rect(x, 0, width, height);
1620         item_rect.Deflate(PADDING_RIGHTLEFT, 0);
1621
1622         // dc.SetClippingRegion( item_rect );
1623         cell->WXCallRender(item_rect, &dc, 0);
1624         // dc.DestroyClippingRegion();
1625
1626         x += width;
1627     }
1628
1629     return bitmap;
1630 }
1631
1632 #endif // wxUSE_DRAG_AND_DROP
1633
1634
1635 // Draw focus rect for individual cell. Unlike native focus rect, we render
1636 // this in foreground text color (typically white) to enhance contrast and
1637 // make it visible.
1638 static void DrawSelectedCellFocusRect(wxDC& dc, const wxRect& rect)
1639 {
1640     // (This code is based on wxRendererGeneric::DrawFocusRect and modified.)
1641
1642     // draw the pixels manually because the "dots" in wxPen with wxDOT style
1643     // may be short traits and not really dots
1644     //
1645     // note that to behave in the same manner as DrawRect(), we must exclude
1646     // the bottom and right borders from the rectangle
1647     wxCoord x1 = rect.GetLeft(),
1648             y1 = rect.GetTop(),
1649             x2 = rect.GetRight(),
1650             y2 = rect.GetBottom();
1651
1652     wxDCPenChanger pen(dc, wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT));
1653
1654     wxCoord z;
1655     for ( z = x1 + 1; z < x2; z += 2 )
1656         dc.DrawPoint(z, rect.GetTop());
1657
1658     wxCoord shift = z == x2 ? 0 : 1;
1659     for ( z = y1 + shift; z < y2; z += 2 )
1660         dc.DrawPoint(x2, z);
1661
1662     shift = z == y2 ? 0 : 1;
1663     for ( z = x2 - shift; z > x1; z -= 2 )
1664         dc.DrawPoint(z, y2);
1665
1666     shift = z == x1 ? 0 : 1;
1667     for ( z = y2 - shift; z > y1; z -= 2 )
1668         dc.DrawPoint(x1, z);
1669 }
1670
1671
1672 void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1673 {
1674     wxDataViewModel *model = GetModel();
1675     wxAutoBufferedPaintDC dc( this );
1676
1677 #ifdef __WXMSW__
1678     dc.SetBrush(GetOwner()->GetBackgroundColour());
1679     dc.SetPen( *wxTRANSPARENT_PEN );
1680     dc.DrawRectangle(GetClientSize());
1681 #endif
1682
1683     if ( IsEmpty() )
1684     {
1685         // No items to draw.
1686         return;
1687     }
1688
1689     // prepare the DC
1690     GetOwner()->PrepareDC( dc );
1691     dc.SetFont( GetFont() );
1692
1693     wxRect update = GetUpdateRegion().GetBox();
1694     m_owner->CalcUnscrolledPosition( update.x, update.y, &update.x, &update.y );
1695
1696     // compute which items needs to be redrawn
1697     unsigned int item_start = GetLineAt( wxMax(0,update.y) );
1698     unsigned int item_count =
1699         wxMin( (int)(  GetLineAt( wxMax(0,update.y+update.height) ) - item_start + 1),
1700             (int)(GetRowCount( ) - item_start));
1701     unsigned int item_last = item_start + item_count;
1702
1703     // Send the event to wxDataViewCtrl itself.
1704     wxWindow * const parent = GetParent();
1705     wxDataViewEvent cache_event(wxEVT_COMMAND_DATAVIEW_CACHE_HINT, parent->GetId());
1706     cache_event.SetEventObject(parent);
1707     cache_event.SetCache(item_start, item_last - 1);
1708     parent->ProcessWindowEvent(cache_event);
1709
1710     // compute which columns needs to be redrawn
1711     unsigned int cols = GetOwner()->GetColumnCount();
1712     if ( !cols )
1713     {
1714         // we assume that we have at least one column below and painting an
1715         // empty control is unnecessary anyhow
1716         return;
1717     }
1718
1719     unsigned int col_start = 0;
1720     unsigned int x_start;
1721     for (x_start = 0; col_start < cols; col_start++)
1722     {
1723         wxDataViewColumn *col = GetOwner()->GetColumnAt(col_start);
1724         if (col->IsHidden())
1725             continue;      // skip it!
1726
1727         unsigned int w = col->GetWidth();
1728         if (x_start+w >= (unsigned int)update.x)
1729             break;
1730
1731         x_start += w;
1732     }
1733
1734     unsigned int col_last = col_start;
1735     unsigned int x_last = x_start;
1736     for (; col_last < cols; col_last++)
1737     {
1738         wxDataViewColumn *col = GetOwner()->GetColumnAt(col_last);
1739         if (col->IsHidden())
1740             continue;      // skip it!
1741
1742         if (x_last > (unsigned int)update.GetRight())
1743             break;
1744
1745         x_last += col->GetWidth();
1746     }
1747
1748     // Draw background of alternate rows specially if required
1749     if ( m_owner->HasFlag(wxDV_ROW_LINES) )
1750     {
1751         wxColour altRowColour = m_owner->m_alternateRowColour;
1752         if ( !altRowColour.IsOk() )
1753         {
1754             // Determine the alternate rows colour automatically from the
1755             // background colour.
1756             const wxColour bgColour = m_owner->GetBackgroundColour();
1757
1758             // Depending on the background, alternate row color
1759             // will be 3% more dark or 50% brighter.
1760             int alpha = bgColour.GetRGB() > 0x808080 ? 97 : 150;
1761             altRowColour = bgColour.ChangeLightness(alpha);
1762         }
1763
1764         dc.SetPen(*wxTRANSPARENT_PEN);
1765         dc.SetBrush(wxBrush(altRowColour));
1766
1767         for (unsigned int item = item_start; item < item_last; item++)
1768         {
1769             if ( item % 2 )
1770             {
1771                 dc.DrawRectangle(x_start,
1772                                  GetLineStart(item),
1773                                  GetClientSize().GetWidth(),
1774                                  GetLineHeight(item));
1775             }
1776         }
1777     }
1778
1779     // Draw horizontal rules if required
1780     if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
1781     {
1782         dc.SetPen(m_penRule);
1783         dc.SetBrush(*wxTRANSPARENT_BRUSH);
1784
1785         for (unsigned int i = item_start; i <= item_last; i++)
1786         {
1787             int y = GetLineStart( i );
1788             dc.DrawLine(x_start, y, x_last, y);
1789         }
1790     }
1791
1792     // Draw vertical rules if required
1793     if ( m_owner->HasFlag(wxDV_VERT_RULES) )
1794     {
1795         dc.SetPen(m_penRule);
1796         dc.SetBrush(*wxTRANSPARENT_BRUSH);
1797
1798         // NB: Vertical rules are drawn in the last pixel of a column so that
1799         //     they align perfectly with native MSW wxHeaderCtrl as well as for
1800         //     consistency with MSW native list control. There's no vertical
1801         //     rule at the most-left side of the control.
1802
1803         int x = x_start - 1;
1804         for (unsigned int i = col_start; i < col_last; i++)
1805         {
1806             wxDataViewColumn *col = GetOwner()->GetColumnAt(i);
1807             if (col->IsHidden())
1808                 continue;       // skip it
1809
1810             x += col->GetWidth();
1811
1812             dc.DrawLine(x, GetLineStart( item_start ),
1813                         x, GetLineStart( item_last ) );
1814         }
1815     }
1816
1817     // redraw the background for the items which are selected/current
1818     for (unsigned int item = item_start; item < item_last; item++)
1819     {
1820         bool selected = m_selection.Index( item ) != wxNOT_FOUND;
1821
1822         if (selected || item == m_currentRow)
1823         {
1824             wxRect rect( x_start, GetLineStart( item ),
1825                          x_last - x_start, GetLineHeight( item ) );
1826
1827             // draw selection and whole-item focus:
1828             if ( selected )
1829             {
1830                 int flags = wxCONTROL_SELECTED;
1831                 if (m_hasFocus)
1832                     flags |= wxCONTROL_FOCUSED;
1833
1834                 wxRendererNative::Get().DrawItemSelectionRect
1835                                     (
1836                                         this,
1837                                         dc,
1838                                         rect,
1839                                         flags
1840                                     );
1841             }
1842
1843             // draw keyboard focus rect if applicable
1844             if ( item == m_currentRow && m_hasFocus )
1845             {
1846                 bool renderColumnFocus = false;
1847
1848                 if ( m_useCellFocus && m_currentCol && m_currentColSetByKeyboard )
1849                 {
1850                     renderColumnFocus = true;
1851
1852                     // If this is container node without columns, render full-row focus:
1853                     if ( !IsList() )
1854                     {
1855                         wxDataViewTreeNode *node = GetTreeNodeByRow(item);
1856                         if ( node->HasChildren() && !model->HasContainerColumns(node->GetItem()) )
1857                             renderColumnFocus = false;
1858                     }
1859                 }
1860
1861                 if ( renderColumnFocus )
1862                 {
1863                     for ( unsigned int i = col_start; i < col_last; i++ )
1864                     {
1865                         wxDataViewColumn *col = GetOwner()->GetColumnAt(i);
1866                         if ( col->IsHidden() )
1867                             continue;
1868
1869                         rect.width = col->GetWidth();
1870
1871                         if ( col == m_currentCol )
1872                         {
1873                             // make the rect more visible by adding a small
1874                             // margin around it:
1875                             rect.Deflate(1, 1);
1876
1877                             if ( selected )
1878                             {
1879                                 // DrawFocusRect() uses XOR and is all but
1880                                 // invisible against dark-blue background. Use
1881                                 // the same color used for selected text.
1882                                 DrawSelectedCellFocusRect(dc, rect);
1883                             }
1884                             else
1885                             {
1886                                 wxRendererNative::Get().DrawFocusRect
1887                                                     (
1888                                                         this,
1889                                                         dc,
1890                                                         rect,
1891                                                         0
1892                                                 );
1893                             }
1894                             break;
1895                         }
1896
1897                         rect.x += rect.width;
1898                     }
1899                 }
1900                 else
1901                 {
1902                     // render focus rectangle for the whole row
1903                     wxRendererNative::Get().DrawFocusRect
1904                                         (
1905                                             this,
1906                                             dc,
1907                                             rect,
1908                                             selected ? (int)wxCONTROL_SELECTED : 0
1909                                         );
1910                 }
1911             }
1912         }
1913     }
1914
1915 #if wxUSE_DRAG_AND_DROP
1916     if (m_dropHint)
1917     {
1918         wxRect rect( x_start, GetLineStart( m_dropHintLine ),
1919                      x_last - x_start, GetLineHeight( m_dropHintLine ) );
1920         dc.SetPen( *wxBLACK_PEN );
1921         dc.SetBrush( *wxTRANSPARENT_BRUSH );
1922         dc.DrawRectangle( rect );
1923     }
1924 #endif // wxUSE_DRAG_AND_DROP
1925
1926     wxDataViewColumn * const
1927         expander = GetExpanderColumnOrFirstOne(GetOwner());
1928
1929     // redraw all cells for all rows which must be repainted and all columns
1930     wxRect cell_rect;
1931     cell_rect.x = x_start;
1932     for (unsigned int i = col_start; i < col_last; i++)
1933     {
1934         wxDataViewColumn *col = GetOwner()->GetColumnAt( i );
1935         wxDataViewRenderer *cell = col->GetRenderer();
1936         cell_rect.width = col->GetWidth();
1937
1938         if ( col->IsHidden() || cell_rect.width <= 0 )
1939             continue;       // skip it!
1940
1941         for (unsigned int item = item_start; item < item_last; item++)
1942         {
1943             // get the cell value and set it into the renderer
1944             wxDataViewTreeNode *node = NULL;
1945             wxDataViewItem dataitem;
1946
1947             if (!IsVirtualList())
1948             {
1949                 node = GetTreeNodeByRow(item);
1950                 if( node == NULL )
1951                     continue;
1952
1953                 dataitem = node->GetItem();
1954
1955                 // Skip all columns of "container" rows except the expander
1956                 // column itself unless HasContainerColumns() overrides this.
1957                 if ( col != expander &&
1958                         model->IsContainer(dataitem) &&
1959                             !model->HasContainerColumns(dataitem) )
1960                     continue;
1961             }
1962             else
1963             {
1964                 dataitem = wxDataViewItem( wxUIntToPtr(item+1) );
1965             }
1966
1967             cell->PrepareForItem(model, dataitem, col->GetModelColumn());
1968
1969             // update cell_rect
1970             cell_rect.y = GetLineStart( item );
1971             cell_rect.height = GetLineHeight( item );
1972
1973             // draw the background
1974             bool selected = m_selection.Index( item ) != wxNOT_FOUND;
1975             if ( !selected )
1976                 DrawCellBackground( cell, dc, cell_rect );
1977
1978             // deal with the expander
1979             int indent = 0;
1980             if ((!IsList()) && (col == expander))
1981             {
1982                 // Calculate the indent first
1983                 indent = GetOwner()->GetIndent() * node->GetIndentLevel();
1984
1985                 // we reserve m_lineHeight of horizontal space for the expander
1986                 // but leave EXPANDER_MARGIN around the expander itself
1987                 int exp_x = cell_rect.x + indent + EXPANDER_MARGIN;
1988
1989                 indent += m_lineHeight;
1990
1991                 // draw expander if needed and visible
1992                 if ( node->HasChildren() && exp_x < cell_rect.GetRight() )
1993                 {
1994                     dc.SetPen( m_penExpander );
1995                     dc.SetBrush( wxNullBrush );
1996
1997                     int exp_size = m_lineHeight - 2*EXPANDER_MARGIN;
1998                     int exp_y = cell_rect.y + (cell_rect.height - exp_size)/2
1999                                    + EXPANDER_MARGIN - EXPANDER_OFFSET;
2000
2001                     const wxRect rect(exp_x, exp_y, exp_size, exp_size);
2002
2003                     int flag = 0;
2004                     if ( m_underMouse == node )
2005                         flag |= wxCONTROL_CURRENT;
2006                     if ( node->IsOpen() )
2007                         flag |= wxCONTROL_EXPANDED;
2008
2009                     // ensure that we don't overflow the cell (which might
2010                     // happen if the column is very narrow)
2011                     wxDCClipper clip(dc, cell_rect);
2012
2013                     wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);
2014                 }
2015
2016                 // force the expander column to left-center align
2017                 cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
2018             }
2019
2020             wxRect item_rect = cell_rect;
2021             item_rect.Deflate(PADDING_RIGHTLEFT, 0);
2022
2023             // account for the tree indent (harmless if we're not indented)
2024             item_rect.x += indent;
2025             item_rect.width -= indent;
2026
2027             if ( item_rect.width <= 0 )
2028                 continue;
2029
2030             int state = 0;
2031             if (m_hasFocus && selected)
2032                 state |= wxDATAVIEW_CELL_SELECTED;
2033
2034             // TODO: it would be much more efficient to create a clipping
2035             //       region for the entire column being rendered (in the OnPaint
2036             //       of wxDataViewMainWindow) instead of a single clip region for
2037             //       each cell. However it would mean that each renderer should
2038             //       respect the given wxRect's top & bottom coords, eventually
2039             //       violating only the left & right coords - however the user can
2040             //       make its own renderer and thus we cannot be sure of that.
2041             wxDCClipper clip(dc, item_rect);
2042
2043             cell->WXCallRender(item_rect, &dc, state);
2044         }
2045
2046         cell_rect.x += cell_rect.width;
2047     }
2048 }
2049
2050
2051 void wxDataViewMainWindow::DrawCellBackground( wxDataViewRenderer* cell, wxDC& dc, const wxRect& rect )
2052 {
2053     wxRect rectBg( rect );
2054
2055     // don't overlap the horizontal rules
2056     if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
2057     {
2058         rectBg.x++;
2059         rectBg.width--;
2060     }
2061
2062     // don't overlap the vertical rules
2063     if ( m_owner->HasFlag(wxDV_VERT_RULES) )
2064     {
2065         rectBg.y++;
2066         rectBg.height--;
2067     }
2068
2069     cell->RenderBackground(&dc, rectBg);
2070 }
2071
2072 void wxDataViewMainWindow::OnRenameTimer()
2073 {
2074     // We have to call this here because changes may just have
2075     // been made and no screen update taken place.
2076     if ( m_dirty )
2077     {
2078         // TODO: use wxTheApp->SafeYieldFor(NULL, wxEVT_CATEGORY_UI) instead
2079         //       (needs to be tested!)
2080         wxSafeYield();
2081     }
2082
2083     wxDataViewItem item = GetItemByRow( m_currentRow );
2084
2085     StartEditing( item, m_currentCol );
2086 }
2087
2088 void
2089 wxDataViewMainWindow::StartEditing(const wxDataViewItem& item,
2090                                    const wxDataViewColumn* col)
2091 {
2092     wxDataViewRenderer* renderer = col->GetRenderer();
2093     if ( !IsCellEditableInMode(item, col, wxDATAVIEW_CELL_EDITABLE) )
2094         return;
2095
2096     const wxRect itemRect = GetItemRect(item, col);
2097     if ( renderer->StartEditing(item, itemRect) )
2098     {
2099         // Save the renderer to be able to finish/cancel editing it later and
2100         // save the control to be able to detect if we're still editing it.
2101         m_editorRenderer = renderer;
2102         m_editorCtrl = renderer->GetEditorCtrl();
2103     }
2104 }
2105
2106 //-----------------------------------------------------------------------------
2107 // Helper class for do operation on the tree node
2108 //-----------------------------------------------------------------------------
2109 class DoJob
2110 {
2111 public:
2112     DoJob() { }
2113     virtual ~DoJob() { }
2114
2115     // The return value control how the tree-walker tranverse the tree
2116     enum
2117     {
2118         DONE,          // Job done, stop traversing and return
2119         SKIP_SUBTREE,  // Ignore the current node's subtree and continue
2120         CONTINUE       // Job not done, continue
2121     };
2122
2123     virtual int operator() ( wxDataViewTreeNode * node ) = 0;
2124 };
2125
2126 bool Walker( wxDataViewTreeNode * node, DoJob & func )
2127 {
2128     wxCHECK_MSG( node, false, "can't walk NULL node" );
2129
2130     switch( func( node ) )
2131     {
2132         case DoJob::DONE:
2133             return true;
2134         case DoJob::SKIP_SUBTREE:
2135             return false;
2136         case DoJob::CONTINUE:
2137             break;
2138     }
2139
2140     if ( node->HasChildren() )
2141     {
2142         const wxDataViewTreeNodes& nodes = node->GetChildNodes();
2143
2144         for ( wxDataViewTreeNodes::const_iterator i = nodes.begin();
2145               i != nodes.end();
2146               ++i )
2147         {
2148             if ( Walker(*i, func) )
2149                 return true;
2150         }
2151     }
2152
2153     return false;
2154 }
2155
2156 bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
2157 {
2158     if (IsVirtualList())
2159     {
2160         wxDataViewVirtualListModel *list_model =
2161             (wxDataViewVirtualListModel*) GetModel();
2162         m_count = list_model->GetCount();
2163     }
2164     else
2165     {
2166         SortPrepare();
2167
2168         wxDataViewTreeNode *parentNode = FindNode(parent);
2169
2170         if ( !parentNode )
2171             return false;
2172
2173         wxDataViewItemArray modelSiblings;
2174         GetModel()->GetChildren(parent, modelSiblings);
2175         const int modelSiblingsSize = modelSiblings.size();
2176
2177         int posInModel = modelSiblings.Index(item, /*fromEnd=*/true);
2178         wxCHECK_MSG( posInModel != wxNOT_FOUND, false, "adding non-existent item?" );
2179
2180         wxDataViewTreeNode *itemNode = new wxDataViewTreeNode(parentNode, item);
2181         itemNode->SetHasChildren(GetModel()->IsContainer(item));
2182
2183         parentNode->SetHasChildren(true);
2184
2185         const wxDataViewTreeNodes& nodeSiblings = parentNode->GetChildNodes();
2186         const int nodeSiblingsSize = nodeSiblings.size();
2187
2188         int nodePos = 0;
2189
2190         if ( posInModel == modelSiblingsSize - 1 )
2191         {
2192             nodePos = nodeSiblingsSize;
2193         }
2194         else if ( modelSiblingsSize == nodeSiblingsSize + 1 )
2195         {
2196             // This is the simple case when our node tree already matches the
2197             // model and only this one item is missing.
2198             nodePos = posInModel;
2199         }
2200         else
2201         {
2202             // It's possible that a larger discrepancy between the model and
2203             // our realization exists. This can happen e.g. when adding a bunch
2204             // of items to the model and then calling ItemsAdded() just once
2205             // afterwards. In this case, we must find the right position by
2206             // looking at sibling items.
2207
2208             // append to the end if we won't find a better position:
2209             nodePos = nodeSiblingsSize;
2210
2211             for ( int nextItemPos = posInModel + 1;
2212                   nextItemPos < modelSiblingsSize;
2213                   nextItemPos++ )
2214             {
2215                 int nextNodePos = parentNode->FindChildByItem(modelSiblings[nextItemPos]);
2216                 if ( nextNodePos != wxNOT_FOUND )
2217                 {
2218                     nodePos = nextNodePos;
2219                     break;
2220                 }
2221             }
2222         }
2223
2224         parentNode->ChangeSubTreeCount(+1);
2225         parentNode->InsertChild(itemNode, nodePos);
2226
2227         m_count = -1;
2228     }
2229
2230     GetOwner()->InvalidateColBestWidths();
2231     UpdateDisplay();
2232
2233     return true;
2234 }
2235
2236 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
2237                                        const wxDataViewItem& item)
2238 {
2239     if (IsVirtualList())
2240     {
2241         wxDataViewVirtualListModel *list_model =
2242             (wxDataViewVirtualListModel*) GetModel();
2243         m_count = list_model->GetCount();
2244
2245         if ( !m_selection.empty() )
2246         {
2247             const int row = GetRowByItem(item);
2248
2249             int rowIndexInSelection = wxNOT_FOUND;
2250
2251             const size_t selCount = m_selection.size();
2252             for ( size_t i = 0; i < selCount; i++ )
2253             {
2254                 if ( m_selection[i] == (unsigned)row )
2255                     rowIndexInSelection = i;
2256                 else if ( m_selection[i] > (unsigned)row )
2257                     m_selection[i]--;
2258             }
2259
2260             if ( rowIndexInSelection != wxNOT_FOUND )
2261                 m_selection.RemoveAt(rowIndexInSelection);
2262         }
2263
2264     }
2265     else // general case
2266     {
2267         wxDataViewTreeNode *parentNode = FindNode(parent);
2268
2269         // Notice that it is possible that the item being deleted is not in the
2270         // tree at all, for example we could be deleting a never shown (because
2271         // collapsed) item in a tree model. So it's not an error if we don't know
2272         // about this item, just return without doing anything then.
2273         if ( !parentNode )
2274             return true;
2275
2276         wxCHECK_MSG( parentNode->HasChildren(), false, "parent node doesn't have children?" );
2277         const wxDataViewTreeNodes& parentsChildren = parentNode->GetChildNodes();
2278
2279         // We can't use FindNode() to find 'item', because it was already
2280         // removed from the model by the time ItemDeleted() is called, so we
2281         // have to do it manually. We keep track of its position as well for
2282         // later use.
2283         int itemPosInNode = 0;
2284         wxDataViewTreeNode *itemNode = NULL;
2285         for ( wxDataViewTreeNodes::const_iterator i = parentsChildren.begin();
2286               i != parentsChildren.end();
2287               ++i, ++itemPosInNode )
2288         {
2289             if( (*i)->GetItem() == item )
2290             {
2291                 itemNode = *i;
2292                 break;
2293             }
2294         }
2295
2296         // If the parent wasn't expanded, it's possible that we didn't have a
2297         // node corresponding to 'item' and so there's nothing left to do.
2298         if ( !itemNode )
2299         {
2300             // If this was the last child to be removed, it's possible the parent
2301             // node became a leaf. Let's ask the model about it.
2302             if ( parentNode->GetChildNodes().empty() )
2303                 parentNode->SetHasChildren(GetModel()->IsContainer(parent));
2304
2305             return true;
2306         }
2307
2308         // Delete the item from wxDataViewTreeNode representation:
2309         const int itemsDeleted = 1 + itemNode->GetSubTreeCount();
2310
2311         parentNode->RemoveChild(itemNode);
2312         delete itemNode;
2313         parentNode->ChangeSubTreeCount(-itemsDeleted);
2314
2315         // Make the row number invalid and get a new valid one when user call GetRowCount
2316         m_count = -1;
2317
2318         // If this was the last child to be removed, it's possible the parent
2319         // node became a leaf. Let's ask the model about it.
2320         if ( parentNode->GetChildNodes().empty() )
2321             parentNode->SetHasChildren(GetModel()->IsContainer(parent));
2322
2323         // Update selection by removing 'item' and its entire children tree from the selection.
2324         if ( !m_selection.empty() )
2325         {
2326             // we can't call GetRowByItem() on 'item', as it's already deleted, so compute it from
2327             // the parent ('parentNode') and position in its list of children
2328             int itemRow;
2329             if ( itemPosInNode == 0 )
2330             {
2331                 // 1st child, row number is that of the parent parentNode + 1
2332                 itemRow = GetRowByItem(parentNode->GetItem()) + 1;
2333             }
2334             else
2335             {
2336                 // row number is that of the sibling above 'item' + its subtree if any + 1
2337                 const wxDataViewTreeNode *siblingNode = parentNode->GetChildNodes()[itemPosInNode - 1];
2338
2339                 itemRow = GetRowByItem(siblingNode->GetItem()) +
2340                           siblingNode->GetSubTreeCount() +
2341                           1;
2342             }
2343
2344             wxDataViewSelection newsel(wxDataViewSelectionCmp);
2345
2346             const size_t numSelections = m_selection.size();
2347             for ( size_t i = 0; i < numSelections; ++i )
2348             {
2349                 const int s = m_selection[i];
2350                 if ( s < itemRow )
2351                     newsel.push_back(s);
2352                 else if ( s >= itemRow + itemsDeleted )
2353                     newsel.push_back(s - itemsDeleted);
2354                 // else: deleted item, remove from selection
2355             }
2356
2357             m_selection = newsel;
2358         }
2359     }
2360
2361     // Change the current row to the last row if the current exceed the max row number
2362     if( m_currentRow > GetRowCount() )
2363         ChangeCurrentRow(m_count - 1);
2364
2365     GetOwner()->InvalidateColBestWidths();
2366     UpdateDisplay();
2367
2368     return true;
2369 }
2370
2371 bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
2372 {
2373     SortPrepare();
2374     g_model->Resort();
2375
2376     GetOwner()->InvalidateColBestWidths();
2377
2378     // Send event
2379     wxWindow *parent = GetParent();
2380     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2381     le.SetEventObject(parent);
2382     le.SetModel(GetModel());
2383     le.SetItem(item);
2384     parent->ProcessWindowEvent(le);
2385
2386     return true;
2387 }
2388
2389 bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int model_column )
2390 {
2391     int view_column = -1;
2392     unsigned int n_col = m_owner->GetColumnCount();
2393     for (unsigned i = 0; i < n_col; i++)
2394     {
2395         wxDataViewColumn *column = m_owner->GetColumn( i );
2396         if (column->GetModelColumn() == model_column)
2397         {
2398             view_column = (int) i;
2399             break;
2400         }
2401     }
2402     if (view_column == -1)
2403         return false;
2404
2405     // NOTE: to be valid, we cannot use e.g. INT_MAX - 1
2406 /*#define MAX_VIRTUAL_WIDTH       100000
2407
2408     wxRect rect( 0, row*m_lineHeight, MAX_VIRTUAL_WIDTH, m_lineHeight );
2409     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2410     Refresh( true, &rect );
2411
2412     return true;
2413 */
2414     SortPrepare();
2415     g_model->Resort();
2416
2417     GetOwner()->InvalidateColBestWidth(view_column);
2418
2419     // Send event
2420     wxWindow *parent = GetParent();
2421     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2422     le.SetEventObject(parent);
2423     le.SetModel(GetModel());
2424     le.SetItem(item);
2425     le.SetColumn(view_column);
2426     le.SetDataViewColumn(GetOwner()->GetColumn(view_column));
2427     parent->ProcessWindowEvent(le);
2428
2429     return true;
2430 }
2431
2432 bool wxDataViewMainWindow::Cleared()
2433 {
2434     DestroyTree();
2435     m_selection.Clear();
2436
2437     SortPrepare();
2438     BuildTree( GetModel() );
2439
2440     GetOwner()->InvalidateColBestWidths();
2441     UpdateDisplay();
2442
2443     return true;
2444 }
2445
2446 void wxDataViewMainWindow::UpdateDisplay()
2447 {
2448     m_dirty = true;
2449     m_underMouse = NULL;
2450 }
2451
2452 void wxDataViewMainWindow::OnInternalIdle()
2453 {
2454     wxWindow::OnInternalIdle();
2455
2456     if (m_dirty)
2457     {
2458         RecalculateDisplay();
2459         m_dirty = false;
2460     }
2461 }
2462
2463 void wxDataViewMainWindow::RecalculateDisplay()
2464 {
2465     wxDataViewModel *model = GetModel();
2466     if (!model)
2467     {
2468         Refresh();
2469         return;
2470     }
2471
2472     int width = GetEndOfLastCol();
2473     int height = GetLineStart( GetRowCount() );
2474
2475     SetVirtualSize( width, height );
2476     GetOwner()->SetScrollRate( 10, m_lineHeight );
2477
2478     Refresh();
2479 }
2480
2481 void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
2482 {
2483     m_underMouse = NULL;
2484
2485     wxWindow::ScrollWindow( dx, dy, rect );
2486
2487     if (GetOwner()->m_headerArea)
2488         GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
2489 }
2490
2491 void wxDataViewMainWindow::ScrollTo( int rows, int column )
2492 {
2493     m_underMouse = NULL;
2494
2495     int x, y;
2496     m_owner->GetScrollPixelsPerUnit( &x, &y );
2497     int sy = GetLineStart( rows )/y;
2498     int sx = -1;
2499     if( column != -1 )
2500     {
2501         wxRect rect = GetClientRect();
2502         int colnum = 0;
2503         int x_start, w = 0;
2504         int xx, yy, xe;
2505         m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy );
2506         for (x_start = 0; colnum < column; colnum++)
2507         {
2508             wxDataViewColumn *col = GetOwner()->GetColumnAt(colnum);
2509             if (col->IsHidden())
2510                 continue;      // skip it!
2511
2512             w = col->GetWidth();
2513             x_start += w;
2514         }
2515
2516         int x_end = x_start + w;
2517         xe = xx + rect.width;
2518         if( x_end > xe )
2519         {
2520             sx = ( xx + x_end - xe )/x;
2521         }
2522         if( x_start < xx )
2523         {
2524             sx = x_start/x;
2525         }
2526     }
2527     m_owner->Scroll( sx, sy );
2528 }
2529
2530 int wxDataViewMainWindow::GetCountPerPage() const
2531 {
2532     wxSize size = GetClientSize();
2533     return size.y / m_lineHeight;
2534 }
2535
2536 int wxDataViewMainWindow::GetEndOfLastCol() const
2537 {
2538     int width = 0;
2539     unsigned int i;
2540     for (i = 0; i < GetOwner()->GetColumnCount(); i++)
2541     {
2542         const wxDataViewColumn *c =
2543             const_cast<wxDataViewCtrl*>(GetOwner())->GetColumnAt( i );
2544
2545         if (!c->IsHidden())
2546             width += c->GetWidth();
2547     }
2548     return width;
2549 }
2550
2551 unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
2552 {
2553     int x = 0;
2554     int y = 0;
2555     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
2556
2557     return GetLineAt( y );
2558 }
2559
2560 unsigned int wxDataViewMainWindow::GetLastVisibleRow()
2561 {
2562     wxSize client_size = GetClientSize();
2563     m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
2564                                     &client_size.x, &client_size.y );
2565
2566     // we should deal with the pixel here
2567     unsigned int row = GetLineAt(client_size.y) - 1;
2568
2569     return wxMin( GetRowCount()-1, row );
2570 }
2571
2572 unsigned int wxDataViewMainWindow::GetRowCount()
2573 {
2574     if ( m_count == -1 )
2575     {
2576         m_count = RecalculateCount();
2577         UpdateDisplay();
2578     }
2579     return m_count;
2580 }
2581
2582 void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
2583 {
2584     m_currentRow = row;
2585
2586     // send event
2587 }
2588
2589 void wxDataViewMainWindow::SelectAllRows( bool on )
2590 {
2591     if (IsEmpty())
2592         return;
2593
2594     if (on)
2595     {
2596         m_selection.Clear();
2597         for (unsigned int i = 0; i < GetRowCount(); i++)
2598             m_selection.Add( i );
2599         Refresh();
2600     }
2601     else
2602     {
2603         unsigned int first_visible = GetFirstVisibleRow();
2604         unsigned int last_visible = GetLastVisibleRow();
2605         unsigned int i;
2606         for (i = 0; i < m_selection.GetCount(); i++)
2607         {
2608             unsigned int row = m_selection[i];
2609             if ((row >= first_visible) && (row <= last_visible))
2610                 RefreshRow( row );
2611         }
2612         m_selection.Clear();
2613     }
2614 }
2615
2616 void wxDataViewMainWindow::SelectRow( unsigned int row, bool on )
2617 {
2618     if (m_selection.Index( row ) == wxNOT_FOUND)
2619     {
2620         if (on)
2621         {
2622             m_selection.Add( row );
2623             RefreshRow( row );
2624         }
2625     }
2626     else
2627     {
2628         if (!on)
2629         {
2630             m_selection.Remove( row );
2631             RefreshRow( row );
2632         }
2633     }
2634 }
2635
2636 void wxDataViewMainWindow::SelectRows( unsigned int from, unsigned int to, bool on )
2637 {
2638     if (from > to)
2639     {
2640         unsigned int tmp = from;
2641         from = to;
2642         to = tmp;
2643     }
2644
2645     unsigned int i;
2646     for (i = from; i <= to; i++)
2647     {
2648         if (m_selection.Index( i ) == wxNOT_FOUND)
2649         {
2650             if (on)
2651                 m_selection.Add( i );
2652         }
2653         else
2654         {
2655             if (!on)
2656                 m_selection.Remove( i );
2657         }
2658     }
2659     RefreshRows( from, to );
2660 }
2661
2662 void wxDataViewMainWindow::Select( const wxArrayInt& aSelections )
2663 {
2664     for (size_t i=0; i < aSelections.GetCount(); i++)
2665     {
2666         int n = aSelections[i];
2667
2668         m_selection.Add( n );
2669         RefreshRow( n );
2670     }
2671 }
2672
2673 void wxDataViewMainWindow::ReverseRowSelection( unsigned int row )
2674 {
2675     if (m_selection.Index( row ) == wxNOT_FOUND)
2676         m_selection.Add( row );
2677     else
2678         m_selection.Remove( row );
2679     RefreshRow( row );
2680 }
2681
2682 bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
2683 {
2684     return (m_selection.Index( row ) != wxNOT_FOUND);
2685 }
2686
2687 void wxDataViewMainWindow::SendSelectionChangedEvent( const wxDataViewItem& item)
2688 {
2689     wxWindow *parent = GetParent();
2690     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, parent->GetId());
2691
2692     le.SetEventObject(parent);
2693     le.SetModel(GetModel());
2694     le.SetItem( item );
2695
2696     parent->ProcessWindowEvent(le);
2697 }
2698
2699 void wxDataViewMainWindow::RefreshRow( unsigned int row )
2700 {
2701     wxRect rect( 0, GetLineStart( row ), GetEndOfLastCol(), GetLineHeight( row ) );
2702     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2703
2704     wxSize client_size = GetClientSize();
2705     wxRect client_rect( 0, 0, client_size.x, client_size.y );
2706     wxRect intersect_rect = client_rect.Intersect( rect );
2707     if (intersect_rect.width > 0)
2708         Refresh( true, &intersect_rect );
2709 }
2710
2711 void wxDataViewMainWindow::RefreshRows( unsigned int from, unsigned int to )
2712 {
2713     if (from > to)
2714     {
2715         unsigned int tmp = to;
2716         to = from;
2717         from = tmp;
2718     }
2719
2720     wxRect rect( 0, GetLineStart( from ), GetEndOfLastCol(), GetLineStart( (to-from+1) ) );
2721     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2722
2723     wxSize client_size = GetClientSize();
2724     wxRect client_rect( 0, 0, client_size.x, client_size.y );
2725     wxRect intersect_rect = client_rect.Intersect( rect );
2726     if (intersect_rect.width > 0)
2727         Refresh( true, &intersect_rect );
2728 }
2729
2730 void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
2731 {
2732     wxSize client_size = GetClientSize();
2733     int start = GetLineStart( firstRow );
2734     m_owner->CalcScrolledPosition( start, 0, &start, NULL );
2735     if (start > client_size.y) return;
2736
2737     wxRect rect( 0, start, client_size.x, client_size.y - start );
2738
2739     Refresh( true, &rect );
2740 }
2741
2742 wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
2743 {
2744     wxRect rect;
2745     rect.x = 0;
2746     rect.y = GetLineStart( row );
2747     rect.width = GetEndOfLastCol();
2748     rect.height = GetLineHeight( row );
2749
2750     return rect;
2751 }
2752
2753 int wxDataViewMainWindow::GetLineStart( unsigned int row ) const
2754 {
2755     const wxDataViewModel *model = GetModel();
2756
2757     if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2758     {
2759         // TODO make more efficient
2760
2761         int start = 0;
2762
2763         unsigned int r;
2764         for (r = 0; r < row; r++)
2765         {
2766             const wxDataViewTreeNode* node = GetTreeNodeByRow(r);
2767             if (!node) return start;
2768
2769             wxDataViewItem item = node->GetItem();
2770
2771             unsigned int cols = GetOwner()->GetColumnCount();
2772             unsigned int col;
2773             int height = m_lineHeight;
2774             for (col = 0; col < cols; col++)
2775             {
2776                 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2777                 if (column->IsHidden())
2778                     continue;      // skip it!
2779
2780                 if ((col != 0) &&
2781                     model->IsContainer(item) &&
2782                     !model->HasContainerColumns(item))
2783                     continue;      // skip it!
2784
2785                 wxDataViewRenderer *renderer =
2786                     const_cast<wxDataViewRenderer*>(column->GetRenderer());
2787                 renderer->PrepareForItem(model, item, column->GetModelColumn());
2788
2789                 height = wxMax( height, renderer->GetSize().y );
2790             }
2791
2792             start += height;
2793         }
2794
2795         return start;
2796     }
2797     else
2798     {
2799         return row * m_lineHeight;
2800     }
2801 }
2802
2803 int wxDataViewMainWindow::GetLineAt( unsigned int y ) const
2804 {
2805     const wxDataViewModel *model = GetModel();
2806
2807     // check for the easy case first
2808     if ( !GetOwner()->HasFlag(wxDV_VARIABLE_LINE_HEIGHT) )
2809         return y / m_lineHeight;
2810
2811     // TODO make more efficient
2812     unsigned int row = 0;
2813     unsigned int yy = 0;
2814     for (;;)
2815     {
2816         const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2817         if (!node)
2818         {
2819             // not really correct...
2820             return row + ((y-yy) / m_lineHeight);
2821         }
2822
2823         wxDataViewItem item = node->GetItem();
2824
2825         unsigned int cols = GetOwner()->GetColumnCount();
2826         unsigned int col;
2827         int height = m_lineHeight;
2828         for (col = 0; col < cols; col++)
2829         {
2830             const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2831             if (column->IsHidden())
2832                 continue;      // skip it!
2833
2834             if ((col != 0) &&
2835                 model->IsContainer(item) &&
2836                 !model->HasContainerColumns(item))
2837                 continue;      // skip it!
2838
2839             wxDataViewRenderer *renderer =
2840                 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2841             renderer->PrepareForItem(model, item, column->GetModelColumn());
2842
2843             height = wxMax( height, renderer->GetSize().y );
2844         }
2845
2846         yy += height;
2847         if (y < yy)
2848             return row;
2849
2850         row++;
2851     }
2852 }
2853
2854 int wxDataViewMainWindow::GetLineHeight( unsigned int row ) const
2855 {
2856     const wxDataViewModel *model = GetModel();
2857
2858     if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2859     {
2860         wxASSERT( !IsVirtualList() );
2861
2862         const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2863         // wxASSERT( node );
2864         if (!node) return m_lineHeight;
2865
2866         wxDataViewItem item = node->GetItem();
2867
2868         int height = m_lineHeight;
2869
2870         unsigned int cols = GetOwner()->GetColumnCount();
2871         unsigned int col;
2872         for (col = 0; col < cols; col++)
2873         {
2874             const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2875             if (column->IsHidden())
2876                 continue;      // skip it!
2877
2878             if ((col != 0) &&
2879                 model->IsContainer(item) &&
2880                 !model->HasContainerColumns(item))
2881                 continue;      // skip it!
2882
2883             wxDataViewRenderer *renderer =
2884                 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2885             renderer->PrepareForItem(model, item, column->GetModelColumn());
2886
2887             height = wxMax( height, renderer->GetSize().y );
2888         }
2889
2890         return height;
2891     }
2892     else
2893     {
2894         return m_lineHeight;
2895     }
2896 }
2897
2898
2899 class RowToTreeNodeJob: public DoJob
2900 {
2901 public:
2902     RowToTreeNodeJob( unsigned int row , int current, wxDataViewTreeNode * node )
2903     {
2904         this->row = row;
2905         this->current = current;
2906         ret = NULL;
2907         parent = node;
2908     }
2909
2910     virtual int operator() ( wxDataViewTreeNode * node )
2911     {
2912         current ++;
2913         if( current == static_cast<int>(row))
2914         {
2915             ret = node;
2916             return DoJob::DONE;
2917         }
2918
2919         if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2920         {
2921             current += node->GetSubTreeCount();
2922             return  DoJob::SKIP_SUBTREE;
2923         }
2924         else
2925         {
2926             parent = node;
2927
2928             // If the current node has only leaf children, we can find the
2929             // desired node directly. This can speed up finding the node
2930             // in some cases, and will have a very good effect for list views.
2931             if ( node->HasChildren() &&
2932                  (int)node->GetChildNodes().size() == node->GetSubTreeCount() )
2933             {
2934                 const int index = static_cast<int>(row) - current - 1;
2935                 ret = node->GetChildNodes()[index];
2936                 return DoJob::DONE;
2937             }
2938
2939             return DoJob::CONTINUE;
2940         }
2941     }
2942
2943     wxDataViewTreeNode * GetResult() const
2944         { return ret; }
2945
2946 private:
2947     unsigned int row;
2948     int current;
2949     wxDataViewTreeNode * ret;
2950     wxDataViewTreeNode * parent;
2951 };
2952
2953 wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row) const
2954 {
2955     wxASSERT( !IsVirtualList() );
2956
2957     RowToTreeNodeJob job( row , -2, m_root );
2958     Walker( m_root , job );
2959     return job.GetResult();
2960 }
2961
2962 wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
2963 {
2964     if (IsVirtualList())
2965     {
2966         return wxDataViewItem( wxUIntToPtr(row+1) );
2967     }
2968     else
2969     {
2970         wxDataViewTreeNode *node = GetTreeNodeByRow(row);
2971         return node ? node->GetItem() : wxDataViewItem();
2972     }
2973 }
2974
2975 bool
2976 wxDataViewMainWindow::SendExpanderEvent(wxEventType type,
2977                                         const wxDataViewItem& item)
2978 {
2979     wxWindow *parent = GetParent();
2980     wxDataViewEvent le(type, parent->GetId());
2981
2982     le.SetEventObject(parent);
2983     le.SetModel(GetModel());
2984     le.SetItem( item );
2985
2986     return !parent->ProcessWindowEvent(le) || le.IsAllowed();
2987 }
2988
2989 bool wxDataViewMainWindow::IsExpanded( unsigned int row ) const
2990 {
2991     if (IsList())
2992         return false;
2993
2994     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
2995     if (!node)
2996         return false;
2997
2998     if (!node->HasChildren())
2999         return false;
3000
3001     return node->IsOpen();
3002 }
3003
3004 bool wxDataViewMainWindow::HasChildren( unsigned int row ) const
3005 {
3006     if (IsList())
3007         return false;
3008
3009     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
3010     if (!node)
3011         return false;
3012
3013     if (!node->HasChildren())
3014         return false;
3015
3016     return true;
3017 }
3018
3019 void wxDataViewMainWindow::Expand( unsigned int row )
3020 {
3021     if (IsList())
3022         return;
3023
3024     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
3025     if (!node)
3026         return;
3027
3028     if (!node->HasChildren())
3029         return;
3030
3031             if (!node->IsOpen())
3032             {
3033                 if ( !SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, node->GetItem()) )
3034                 {
3035                     // Vetoed by the event handler.
3036                     return;
3037                 }
3038
3039                 node->ToggleOpen();
3040
3041                 // build the children of current node
3042                 if( node->GetChildNodes().empty() )
3043                 {
3044                     SortPrepare();
3045                     ::BuildTreeHelper(GetModel(), node->GetItem(), node);
3046                 }
3047
3048                 // By expanding the node all row indices that are currently in the selection list
3049                 // and are greater than our node have become invalid. So we have to correct that now.
3050                 const unsigned rowAdjustment = node->GetSubTreeCount();
3051                 for(unsigned i=0; i<m_selection.size(); ++i)
3052                 {
3053                     const unsigned testRow = m_selection[i];
3054                     // all rows above us are not affected, so skip them
3055                     if(testRow <= row)
3056                         continue;
3057
3058                     m_selection[i] += rowAdjustment;
3059                 }
3060
3061                 if(m_currentRow > row)
3062                     ChangeCurrentRow(m_currentRow + rowAdjustment);
3063
3064                 m_count = -1;
3065                 UpdateDisplay();
3066                 // Send the expanded event
3067                 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
3068             }
3069 }
3070
3071 void wxDataViewMainWindow::Collapse(unsigned int row)
3072 {
3073     if (IsList())
3074         return;
3075
3076     wxDataViewTreeNode *node = GetTreeNodeByRow(row);
3077     if (!node)
3078         return;
3079
3080     if (!node->HasChildren())
3081         return;
3082
3083         if (node->IsOpen())
3084         {
3085             if ( !SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem()) )
3086             {
3087                 // Vetoed by the event handler.
3088                 return;
3089             }
3090
3091             // Find out if there are selected items below the current node.
3092             bool selectCollapsingRow = false;
3093             const unsigned rowAdjustment = node->GetSubTreeCount();
3094             unsigned maxRowToBeTested = row + rowAdjustment;
3095             for(unsigned i=0; i<m_selection.size(); ++i)
3096             {
3097                 const unsigned testRow = m_selection[i];
3098                 if(testRow > row && testRow <= maxRowToBeTested)
3099                 {
3100                     selectCollapsingRow = true;
3101                     // get out as soon as we have found a node that is selected
3102                     break;
3103                 }
3104             }
3105
3106             node->ToggleOpen();
3107
3108             // If the node to be closed has selected items the user won't see those any longer.
3109             // We select the collapsing node in this case.
3110             if(selectCollapsingRow)
3111             {
3112                 SelectAllRows(false);
3113                 ChangeCurrentRow(row);
3114                 SelectRow(row, true);
3115                 SendSelectionChangedEvent(GetItemByRow(row));
3116             }
3117             else
3118             {
3119                 // if there were no selected items below our node we still need to "fix" the
3120                 // selection list to adjust for the changing of the row indices.
3121                 // We actually do the opposite of what we are doing in Expand().
3122                 for(unsigned i=0; i<m_selection.size(); ++i)
3123                 {
3124                     const unsigned testRow = m_selection[i];
3125                     // all rows above us are not affected, so skip them
3126                     if(testRow <= row)
3127                         continue;
3128
3129                     m_selection[i] -= rowAdjustment;
3130                 }
3131
3132                 // if the "current row" is being collapsed away we change it to the current row ;-)
3133                 if(m_currentRow > row && m_currentRow <= maxRowToBeTested)
3134                     ChangeCurrentRow(row);
3135                 else if(m_currentRow > row)
3136                     ChangeCurrentRow(m_currentRow - rowAdjustment);
3137             }
3138
3139             m_count = -1;
3140             UpdateDisplay();
3141             SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,node->GetItem());
3142         }
3143 }
3144
3145 wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
3146 {
3147     const wxDataViewModel * model = GetModel();
3148     if( model == NULL )
3149         return NULL;
3150
3151     if (!item.IsOk())
3152         return m_root;
3153
3154     // Compose the parent-chain for the item we are looking for
3155     wxVector<wxDataViewItem> parentChain;
3156     wxDataViewItem it( item );
3157     while( it.IsOk() )
3158     {
3159         parentChain.push_back(it);
3160         it = model->GetParent(it);
3161     }
3162
3163     // Find the item along the parent-chain.
3164     // This algorithm is designed to speed up the node-finding method
3165     wxDataViewTreeNode* node = m_root;
3166     for( unsigned iter = parentChain.size()-1; ; --iter )
3167     {
3168         if( node->HasChildren() )
3169         {
3170             if( node->GetChildNodes().empty() )
3171             {
3172                 // Even though the item is a container, it doesn't have any
3173                 // child nodes in the control's representation yet. We have
3174                 // to realize its subtree now.
3175                 SortPrepare();
3176                 ::BuildTreeHelper(model, node->GetItem(), node);
3177             }
3178
3179             const wxDataViewTreeNodes& nodes = node->GetChildNodes();
3180             bool found = false;
3181
3182             for (unsigned i = 0; i < nodes.GetCount(); ++i)
3183             {
3184                 wxDataViewTreeNode* currentNode = nodes[i];
3185                 if (currentNode->GetItem() == parentChain[iter])
3186                 {
3187                     if (currentNode->GetItem() == item)
3188                         return currentNode;
3189
3190                     node = currentNode;
3191                     found = true;
3192                     break;
3193                 }
3194             }
3195             if (!found)
3196                 return NULL;
3197         }
3198         else
3199             return NULL;
3200
3201         if ( !iter )
3202             break;
3203     }
3204     return NULL;
3205 }
3206
3207 void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item,
3208                                     wxDataViewColumn* &column )
3209 {
3210     wxDataViewColumn *col = NULL;
3211     unsigned int cols = GetOwner()->GetColumnCount();
3212     unsigned int colnum = 0;
3213     int x, y;
3214     m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y );
3215     for (unsigned x_start = 0; colnum < cols; colnum++)
3216     {
3217         col = GetOwner()->GetColumnAt(colnum);
3218         if (col->IsHidden())
3219             continue;      // skip it!
3220
3221         unsigned int w = col->GetWidth();
3222         if (x_start+w >= (unsigned int)x)
3223             break;
3224
3225         x_start += w;
3226     }
3227
3228     column = col;
3229     item = GetItemByRow( GetLineAt( y ) );
3230 }
3231
3232 wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item,
3233                                           const wxDataViewColumn* column )
3234 {
3235     int xpos = 0;
3236     int width = 0;
3237
3238     unsigned int cols = GetOwner()->GetColumnCount();
3239     // If column is null the loop will compute the combined width of all columns.
3240     // Otherwise, it will compute the x position of the column we are looking for.
3241     for (unsigned int i = 0; i < cols; i++)
3242     {
3243         wxDataViewColumn* col = GetOwner()->GetColumnAt( i );
3244
3245         if (col == column)
3246             break;
3247
3248         if (col->IsHidden())
3249             continue;      // skip it!
3250
3251         xpos += col->GetWidth();
3252         width += col->GetWidth();
3253     }
3254
3255     if(column != 0)
3256     {
3257         // If we have a column, we need can get its width directly.
3258         if(column->IsHidden())
3259             width = 0;
3260         else
3261             width = column->GetWidth();
3262
3263     }
3264     else
3265     {
3266         // If we have no column, we reset the x position back to zero.
3267         xpos = 0;
3268     }
3269
3270     // we have to take an expander column into account and compute its indentation
3271     // to get the correct x position where the actual text is
3272     int indent = 0;
3273     int row = GetRowByItem(item);
3274     if (!IsList() &&
3275             (column == 0 || GetExpanderColumnOrFirstOne(GetOwner()) == column) )
3276     {
3277         wxDataViewTreeNode* node = GetTreeNodeByRow(row);
3278         indent = GetOwner()->GetIndent() * node->GetIndentLevel();
3279         indent = indent + m_lineHeight; // use m_lineHeight as the width of the expander
3280     }
3281
3282     wxRect itemRect( xpos + indent,
3283                      GetLineStart( row ),
3284                      width - indent,
3285                      GetLineHeight( row ) );
3286
3287     GetOwner()->CalcScrolledPosition(  itemRect.x,  itemRect.y,
3288                                       &itemRect.x, &itemRect.y );
3289
3290     return itemRect;
3291 }
3292
3293 int wxDataViewMainWindow::RecalculateCount()
3294 {
3295     if (IsVirtualList())
3296     {
3297         wxDataViewVirtualListModel *list_model =
3298             (wxDataViewVirtualListModel*) GetModel();
3299
3300         return list_model->GetCount();
3301     }
3302     else
3303     {
3304         return m_root->GetSubTreeCount();
3305     }
3306 }
3307
3308 class ItemToRowJob : public DoJob
3309 {
3310 public:
3311     ItemToRowJob(const wxDataViewItem& item_, wxVector<wxDataViewItem>::reverse_iterator iter)
3312         : m_iter(iter),
3313         item(item_)
3314     {
3315         ret = -1;
3316     }
3317
3318     // Maybe binary search will help to speed up this process
3319     virtual int operator() ( wxDataViewTreeNode * node)
3320     {
3321         ret ++;
3322         if( node->GetItem() == item )
3323         {
3324             return DoJob::DONE;
3325         }
3326
3327         if( node->GetItem() == *m_iter )
3328         {
3329             m_iter++;
3330             return DoJob::CONTINUE;
3331         }
3332         else
3333         {
3334             ret += node->GetSubTreeCount();
3335             return DoJob::SKIP_SUBTREE;
3336         }
3337
3338     }
3339
3340     // the row number is begin from zero
3341     int GetResult() const
3342         { return ret -1; }
3343
3344 private:
3345     wxVector<wxDataViewItem>::reverse_iterator m_iter;
3346     wxDataViewItem item;
3347     int ret;
3348
3349 };
3350
3351 int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item) const
3352 {
3353     const wxDataViewModel * model = GetModel();
3354     if( model == NULL )
3355         return -1;
3356
3357     if (IsVirtualList())
3358     {
3359         return wxPtrToUInt( item.GetID() ) -1;
3360     }
3361     else
3362     {
3363         if( !item.IsOk() )
3364             return -1;
3365
3366         // Compose the parent-chain of the item we are looking for
3367         wxVector<wxDataViewItem> parentChain;
3368         wxDataViewItem it( item );
3369         while( it.IsOk() )
3370         {
3371             parentChain.push_back(it);
3372             it = model->GetParent(it);
3373         }
3374
3375         // add an 'invalid' item to represent our 'invisible' root node
3376         parentChain.push_back(wxDataViewItem());
3377
3378         // the parent chain was created by adding the deepest parent first.
3379         // so if we want to start at the root node, we have to iterate backwards through the vector
3380         ItemToRowJob job( item, parentChain.rbegin() );
3381         Walker( m_root, job );
3382         return job.GetResult();
3383     }
3384 }
3385
3386 static void BuildTreeHelper( const wxDataViewModel * model,  const wxDataViewItem & item,
3387                              wxDataViewTreeNode * node)
3388 {
3389     if( !model->IsContainer( item ) )
3390         return;
3391
3392     wxDataViewItemArray children;
3393     unsigned int num = model->GetChildren( item, children);
3394
3395     for ( unsigned int index = 0; index < num; index++ )
3396     {
3397         wxDataViewTreeNode *n = new wxDataViewTreeNode(node, children[index]);
3398
3399         if( model->IsContainer(children[index]) )
3400             n->SetHasChildren( true );
3401
3402         node->InsertChild(n, index);
3403     }
3404
3405     wxASSERT( node->IsOpen() );
3406     node->ChangeSubTreeCount(+num);
3407 }
3408
3409 void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
3410 {
3411     DestroyTree();
3412
3413     if (GetModel()->IsVirtualListModel())
3414     {
3415         m_count = -1;
3416         return;
3417     }
3418
3419     m_root = wxDataViewTreeNode::CreateRootNode();
3420
3421     // First we define a invalid item to fetch the top-level elements
3422     wxDataViewItem item;
3423     SortPrepare();
3424     BuildTreeHelper( model, item, m_root);
3425     m_count = -1;
3426 }
3427
3428 void wxDataViewMainWindow::DestroyTree()
3429 {
3430     if (!IsVirtualList())
3431     {
3432         wxDELETE(m_root);
3433         m_count = 0;
3434     }
3435 }
3436
3437 wxDataViewColumn*
3438 wxDataViewMainWindow::FindColumnForEditing(const wxDataViewItem& item, wxDataViewCellMode mode)
3439 {
3440     // Edit the current column editable in 'mode'. If no column is focused
3441     // (typically because the user has full row selected), try to find the
3442     // first editable column (this would typically be a checkbox for
3443     // wxDATAVIEW_CELL_ACTIVATABLE and we don't want to force the user to set
3444     // focus on the checkbox column; or on the only editable text column).
3445
3446     wxDataViewColumn *candidate = m_currentCol;
3447
3448     if ( candidate &&
3449          !IsCellEditableInMode(item, candidate, mode) &&
3450          !m_currentColSetByKeyboard )
3451     {
3452         // If current column was set by mouse to something not editable (in
3453         // 'mode') and the user pressed Space/F2 to edit it, treat the
3454         // situation as if there was whole-row focus, because that's what is
3455         // visually indicated and the mouse click could very well be targeted
3456         // on the row rather than on an individual cell.
3457         //
3458         // But if it was done by keyboard, respect that even if the column
3459         // isn't editable, because focus is visually on that column and editing
3460         // something else would be surprising.
3461         candidate = NULL;
3462     }
3463
3464     if ( !candidate )
3465     {
3466         const unsigned cols = GetOwner()->GetColumnCount();
3467         for ( unsigned i = 0; i < cols; i++ )
3468         {
3469             wxDataViewColumn *c = GetOwner()->GetColumnAt(i);
3470             if ( c->IsHidden() )
3471                 continue;
3472
3473             if ( IsCellEditableInMode(item, c, mode) )
3474             {
3475                 candidate = c;
3476                 break;
3477             }
3478         }
3479     }
3480
3481     // If on container item without columns, only the expander column
3482     // may be directly editable:
3483     if ( candidate &&
3484          GetOwner()->GetExpanderColumn() != candidate &&
3485          GetModel()->IsContainer(item) &&
3486          !GetModel()->HasContainerColumns(item) )
3487     {
3488         candidate = GetOwner()->GetExpanderColumn();
3489     }
3490
3491     if ( !candidate )
3492        return NULL;
3493
3494    if ( !IsCellEditableInMode(item, candidate, mode) )
3495        return NULL;
3496
3497    return candidate;
3498 }
3499
3500 bool wxDataViewMainWindow::IsCellEditableInMode(const wxDataViewItem& item,
3501                                                 const wxDataViewColumn *col,
3502                                                 wxDataViewCellMode mode) const
3503 {
3504     if ( col->GetRenderer()->GetMode() != mode )
3505         return false;
3506
3507     if ( !GetModel()->IsEnabled(item, col->GetModelColumn()) )
3508         return false;
3509
3510     return true;
3511 }
3512
3513 void wxDataViewMainWindow::OnCharHook(wxKeyEvent& event)
3514 {
3515     if ( m_editorCtrl )
3516     {
3517         // Handle any keys special for the in-place editor and return without
3518         // calling Skip() below.
3519         switch ( event.GetKeyCode() )
3520         {
3521             case WXK_ESCAPE:
3522                 m_editorRenderer->CancelEditing();
3523                 return;
3524
3525             case WXK_RETURN:
3526                 m_editorRenderer->FinishEditing();
3527                 return;
3528         }
3529     }
3530
3531     event.Skip();
3532 }
3533
3534 void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
3535 {
3536     wxWindow * const parent = GetParent();
3537
3538     // propagate the char event upwards
3539     wxKeyEvent eventForParent(event);
3540     eventForParent.SetEventObject(parent);
3541     if ( parent->ProcessWindowEvent(eventForParent) )
3542         return;
3543
3544     if ( parent->HandleAsNavigationKey(event) )
3545         return;
3546
3547     // no item -> nothing to do
3548     if (!HasCurrentRow())
3549     {
3550         event.Skip();
3551         return;
3552     }
3553
3554     // don't use m_linesPerPage directly as it might not be computed yet
3555     const int pageSize = GetCountPerPage();
3556     wxCHECK_RET( pageSize, wxT("should have non zero page size") );
3557
3558     switch ( event.GetKeyCode() )
3559     {
3560         case WXK_RETURN:
3561             if ( event.HasModifiers() )
3562             {
3563                 event.Skip();
3564                 break;
3565             }
3566             else
3567             {
3568                 // Enter activates the item, i.e. sends wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED to
3569                 // it. Only if that event is not handled do we activate column renderer (which
3570                 // is normally done by Space) or even inline editing.
3571
3572                 const wxDataViewItem item = GetItemByRow(m_currentRow);
3573
3574                 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED,
3575                                    parent->GetId());
3576                 le.SetItem(item);
3577                 le.SetEventObject(parent);
3578                 le.SetModel(GetModel());
3579
3580                 if ( parent->ProcessWindowEvent(le) )
3581                     break;
3582                 // else: fall through to WXK_SPACE handling
3583             }
3584
3585         case WXK_SPACE:
3586             if ( event.HasModifiers() )
3587             {
3588                 event.Skip();
3589                 break;
3590             }
3591             else
3592             {
3593                 // Space toggles activatable items or -- if not activatable --
3594                 // starts inline editing (this is normally done using F2 on
3595                 // Windows, but Space is common everywhere else, so use it too
3596                 // for greater cross-platform compatibility).
3597
3598                 const wxDataViewItem item = GetItemByRow(m_currentRow);
3599
3600                 // Activate the current activatable column. If not column is focused (typically
3601                 // because the user has full row selected), try to find the first activatable
3602                 // column (this would typically be a checkbox and we don't want to force the user
3603                 // to set focus on the checkbox column).
3604                 wxDataViewColumn *activatableCol = FindColumnForEditing(item, wxDATAVIEW_CELL_ACTIVATABLE);
3605
3606                 if ( activatableCol )
3607                 {
3608                     const unsigned colIdx = activatableCol->GetModelColumn();
3609                     const wxRect cell_rect = GetOwner()->GetItemRect(item, activatableCol);
3610
3611                     wxDataViewRenderer *cell = activatableCol->GetRenderer();
3612                     cell->PrepareForItem(GetModel(), item, colIdx);
3613                     cell->WXActivateCell(cell_rect, GetModel(), item, colIdx, NULL);
3614
3615                     break;
3616                 }
3617                 // else: fall through to WXK_F2 handling
3618             }
3619
3620         case WXK_F2:
3621             if ( event.HasModifiers() )
3622             {
3623                 event.Skip();
3624                 break;
3625             }
3626             else
3627             {
3628                 if( !m_selection.empty() )
3629                 {
3630                     // Mimic Windows 7 behavior: edit the item that has focus
3631                     // if it is selected and the first selected item if focus
3632                     // is out of selection.
3633                     int sel;
3634                     if ( m_selection.Index(m_currentRow) != wxNOT_FOUND )
3635                         sel = m_currentRow;
3636                     else
3637                         sel = m_selection[0];
3638
3639
3640                     const wxDataViewItem item = GetItemByRow(sel);
3641
3642                     // Edit the current column. If no column is focused
3643                     // (typically because the user has full row selected), try
3644                     // to find the first editable column.
3645                     wxDataViewColumn *editableCol = FindColumnForEditing(item, wxDATAVIEW_CELL_EDITABLE);
3646
3647                     if ( editableCol )
3648                         GetOwner()->EditItem(item, editableCol);
3649                 }
3650             }
3651             break;
3652
3653         case WXK_UP:
3654             if ( m_currentRow > 0 )
3655                 OnVerticalNavigation( m_currentRow - 1, event );
3656             break;
3657
3658         case WXK_DOWN:
3659             if ( m_currentRow + 1 < GetRowCount() )
3660                 OnVerticalNavigation( m_currentRow + 1, event );
3661             break;
3662         // Add the process for tree expanding/collapsing
3663         case WXK_LEFT:
3664             OnLeftKey();
3665             break;
3666
3667         case WXK_RIGHT:
3668             OnRightKey();
3669             break;
3670
3671         case WXK_END:
3672         {
3673             if (!IsEmpty())
3674                 OnVerticalNavigation( GetRowCount() - 1, event );
3675             break;
3676         }
3677         case WXK_HOME:
3678             if (!IsEmpty())
3679                 OnVerticalNavigation( 0, event );
3680             break;
3681
3682         case WXK_PAGEUP:
3683             {
3684                 int steps = pageSize - 1;
3685                 int index = m_currentRow - steps;
3686                 if (index < 0)
3687                     index = 0;
3688
3689                 OnVerticalNavigation( index, event );
3690             }
3691             break;
3692
3693         case WXK_PAGEDOWN:
3694             {
3695                 int steps = pageSize - 1;
3696                 unsigned int index = m_currentRow + steps;
3697                 unsigned int count = GetRowCount();
3698                 if ( index >= count )
3699                     index = count - 1;
3700
3701                 OnVerticalNavigation( index, event );
3702             }
3703             break;
3704
3705         default:
3706             event.Skip();
3707     }
3708 }
3709
3710 void wxDataViewMainWindow::OnVerticalNavigation(unsigned int newCurrent, const wxKeyEvent& event)
3711 {
3712     wxCHECK_RET( newCurrent < GetRowCount(),
3713                 wxT("invalid item index in OnVerticalNavigation()") );
3714
3715     // if there is no selection, we cannot move it anywhere
3716     if (!HasCurrentRow())
3717         return;
3718
3719     unsigned int oldCurrent = m_currentRow;
3720
3721     // in single selection we just ignore Shift as we can't select several
3722     // items anyhow
3723     if ( event.ShiftDown() && !IsSingleSel() )
3724     {
3725         RefreshRow( oldCurrent );
3726
3727         ChangeCurrentRow( newCurrent );
3728
3729         // select all the items between the old and the new one
3730         if ( oldCurrent > newCurrent )
3731         {
3732             newCurrent = oldCurrent;
3733             oldCurrent = m_currentRow;
3734         }
3735
3736         SelectRows( oldCurrent, newCurrent, true );
3737         if (oldCurrent!=newCurrent)
3738             SendSelectionChangedEvent(GetItemByRow(m_selection[0]));
3739     }
3740     else // !shift
3741     {
3742         RefreshRow( oldCurrent );
3743
3744         // all previously selected items are unselected unless ctrl is held
3745         if ( !event.ControlDown() )
3746             SelectAllRows(false);
3747
3748         ChangeCurrentRow( newCurrent );
3749
3750         if ( !event.ControlDown() )
3751         {
3752             SelectRow( m_currentRow, true );
3753             SendSelectionChangedEvent(GetItemByRow(m_currentRow));
3754         }
3755         else
3756             RefreshRow( m_currentRow );
3757     }
3758
3759     GetOwner()->EnsureVisible( m_currentRow, -1 );
3760 }
3761
3762 void wxDataViewMainWindow::OnLeftKey()
3763 {
3764     if ( IsList() )
3765     {
3766         TryAdvanceCurrentColumn(NULL, /*forward=*/false);
3767     }
3768     else
3769     {
3770         wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow);
3771
3772         if ( TryAdvanceCurrentColumn(node, /*forward=*/false) )
3773             return;
3774
3775         // Because TryAdvanceCurrentColumn() return false, we are at the first
3776         // column or using whole-row selection. In this situation, we can use
3777         // the standard TreeView handling of the left key.
3778         if (node->HasChildren() && node->IsOpen())
3779         {
3780             Collapse(m_currentRow);
3781         }
3782         else
3783         {
3784             // if the node is already closed, we move the selection to its parent
3785             wxDataViewTreeNode *parent_node = node->GetParent();
3786
3787             if (parent_node)
3788             {
3789                 int parent = GetRowByItem( parent_node->GetItem() );
3790                 if ( parent >= 0 )
3791                 {
3792                     unsigned int row = m_currentRow;
3793                     SelectRow( row, false);
3794                     SelectRow( parent, true );
3795                     ChangeCurrentRow( parent );
3796                     GetOwner()->EnsureVisible( parent, -1 );
3797                     SendSelectionChangedEvent( parent_node->GetItem() );
3798                 }
3799             }
3800         }
3801     }
3802 }
3803
3804 void wxDataViewMainWindow::OnRightKey()
3805 {
3806     if ( IsList() )
3807     {
3808         TryAdvanceCurrentColumn(NULL, /*forward=*/true);
3809     }
3810     else
3811     {
3812         wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow);
3813
3814         if ( node->HasChildren() )
3815         {
3816             if ( !node->IsOpen() )
3817             {
3818                 Expand( m_currentRow );
3819             }
3820             else
3821             {
3822                 // if the node is already open, we move the selection to the first child
3823                 unsigned int row = m_currentRow;
3824                 SelectRow( row, false );
3825                 SelectRow( row + 1, true );
3826                 ChangeCurrentRow( row + 1 );
3827                 GetOwner()->EnsureVisible( row + 1, -1 );
3828                 SendSelectionChangedEvent( GetItemByRow(row+1) );
3829             }
3830         }
3831         else
3832         {
3833             TryAdvanceCurrentColumn(node, /*forward=*/true);
3834         }
3835     }
3836 }
3837
3838 bool wxDataViewMainWindow::TryAdvanceCurrentColumn(wxDataViewTreeNode *node, bool forward)
3839 {
3840     if ( GetOwner()->GetColumnCount() == 0 )
3841         return false;
3842
3843     if ( !m_useCellFocus )
3844         return false;
3845
3846     if ( node )
3847     {
3848         // navigation shouldn't work in branch nodes without other columns:
3849         if ( node->HasChildren() && !GetModel()->HasContainerColumns(node->GetItem()) )
3850             return false;
3851     }
3852
3853     if ( m_currentCol == NULL || !m_currentColSetByKeyboard )
3854     {
3855         if ( forward )
3856         {
3857             m_currentCol = GetOwner()->GetColumnAt(1);
3858             m_currentColSetByKeyboard = true;
3859             RefreshRow(m_currentRow);
3860             return true;
3861         }
3862         else
3863             return false;
3864     }
3865
3866     int idx = GetOwner()->GetColumnIndex(m_currentCol) + (forward ? +1 : -1);
3867
3868     if ( idx >= (int)GetOwner()->GetColumnCount() )
3869         return false;
3870
3871     GetOwner()->EnsureVisible(m_currentRow, idx);
3872
3873     if ( idx < 1 )
3874     {
3875         // We are going to the left of the second column. Reset to whole-row
3876         // focus (which means first column would be edited).
3877         m_currentCol = NULL;
3878         RefreshRow(m_currentRow);
3879         return true;
3880     }
3881
3882     m_currentCol = GetOwner()->GetColumnAt(idx);
3883     m_currentColSetByKeyboard = true;
3884     RefreshRow(m_currentRow);
3885     return true;
3886 }
3887
3888 void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
3889 {
3890     if (event.GetEventType() == wxEVT_MOUSEWHEEL)
3891     {
3892         // let the base handle mouse wheel events.
3893         event.Skip();
3894         return;
3895     }
3896
3897     // set the focus to ourself if any of the mouse buttons are pressed
3898     if(event.ButtonDown() && !HasFocus())
3899         SetFocus();
3900
3901     int x = event.GetX();
3902     int y = event.GetY();
3903     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
3904     wxDataViewColumn *col = NULL;
3905
3906     int xpos = 0;
3907     unsigned int cols = GetOwner()->GetColumnCount();
3908     unsigned int i;
3909     for (i = 0; i < cols; i++)
3910     {
3911         wxDataViewColumn *c = GetOwner()->GetColumnAt( i );
3912         if (c->IsHidden())
3913             continue;      // skip it!
3914
3915         if (x < xpos + c->GetWidth())
3916         {
3917             col = c;
3918             break;
3919         }
3920         xpos += c->GetWidth();
3921     }
3922
3923     wxDataViewModel* const model = GetModel();
3924
3925     const unsigned int current = GetLineAt( y );
3926     const wxDataViewItem item = GetItemByRow(current);
3927
3928     // Handle right clicking here, before everything else as context menu
3929     // events should be sent even when we click outside of any item, unlike all
3930     // the other ones.
3931     if (event.RightUp())
3932     {
3933         wxWindow *parent = GetParent();
3934         wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, parent->GetId());
3935         le.SetEventObject(parent);
3936         le.SetModel(model);
3937
3938         if ( item.IsOk() && col )
3939         {
3940             le.SetItem( item );
3941             le.SetColumn( col->GetModelColumn() );
3942             le.SetDataViewColumn( col );
3943
3944             wxVariant value;
3945             model->GetValue( value, item, col->GetModelColumn() );
3946             le.SetValue(value);
3947         }
3948
3949         parent->ProcessWindowEvent(le);
3950         return;
3951     }
3952
3953     if (!col)
3954     {
3955         event.Skip();
3956         return;
3957     }
3958
3959     wxDataViewRenderer *cell = col->GetRenderer();
3960     if ((current >= GetRowCount()) || (x > GetEndOfLastCol()))
3961     {
3962         // Unselect all if below the last row ?
3963         event.Skip();
3964         return;
3965     }
3966
3967     wxDataViewColumn* const
3968         expander = GetExpanderColumnOrFirstOne(GetOwner());
3969
3970     // Test whether the mouse is hovering over the expander (a.k.a tree "+"
3971     // button) and also determine the offset of the real cell start, skipping
3972     // the indentation and the expander itself.
3973     bool hoverOverExpander = false;
3974     int itemOffset = 0;
3975     if ((!IsList()) && (expander == col))
3976     {
3977         wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3978
3979         int indent = node->GetIndentLevel();
3980         itemOffset = GetOwner()->GetIndent()*indent;
3981
3982         if ( node->HasChildren() )
3983         {
3984             // we make the rectangle we are looking in a bit bigger than the actual
3985             // visual expander so the user can hit that little thing reliably
3986             wxRect rect(itemOffset,
3987                         GetLineStart( current ) + (GetLineHeight(current) - m_lineHeight)/2,
3988                         m_lineHeight, m_lineHeight);
3989
3990             if( rect.Contains(x, y) )
3991             {
3992                 // So the mouse is over the expander
3993                 hoverOverExpander = true;
3994                 if (m_underMouse && m_underMouse != node)
3995                 {
3996                     // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3997                     RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3998                 }
3999                 if (m_underMouse != node)
4000                 {
4001                     // wxLogMessage("Do the row: %d", current);
4002                     RefreshRow(current);
4003                 }
4004                 m_underMouse = node;
4005             }
4006         }
4007
4008         // Account for the expander as well, even if this item doesn't have it,
4009         // its parent does so it still counts for the offset.
4010         itemOffset += m_lineHeight;
4011     }
4012     if (!hoverOverExpander)
4013     {
4014         if (m_underMouse != NULL)
4015         {
4016             // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
4017             RefreshRow(GetRowByItem(m_underMouse->GetItem()));
4018             m_underMouse = NULL;
4019         }
4020     }
4021
4022 #if wxUSE_DRAG_AND_DROP
4023     if (event.Dragging())
4024     {
4025         if (m_dragCount == 0)
4026         {
4027             // we have to report the raw, physical coords as we want to be
4028             // able to call HitTest(event.m_pointDrag) from the user code to
4029             // get the item being dragged
4030             m_dragStart = event.GetPosition();
4031         }
4032
4033         m_dragCount++;
4034
4035         if (m_dragCount != 3)
4036             return;
4037
4038         if (event.LeftIsDown())
4039         {
4040             m_owner->CalcUnscrolledPosition( m_dragStart.x, m_dragStart.y,
4041                                              &m_dragStart.x, &m_dragStart.y );
4042             unsigned int drag_item_row = GetLineAt( m_dragStart.y );
4043             wxDataViewItem itemDragged = GetItemByRow( drag_item_row );
4044
4045             // Notify cell about drag
4046             wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() );
4047             event.SetEventObject( m_owner );
4048             event.SetItem( itemDragged );
4049             event.SetModel( model );
4050             if (!m_owner->HandleWindowEvent( event ))
4051                 return;
4052
4053             if (!event.IsAllowed())
4054                 return;
4055
4056             wxDataObject *obj = event.GetDataObject();
4057             if (!obj)
4058                 return;
4059
4060             wxDataViewDropSource drag( this, drag_item_row );
4061             drag.SetData( *obj );
4062             /* wxDragResult res = */ drag.DoDragDrop();
4063             delete obj;
4064         }
4065         return;
4066     }
4067     else
4068     {
4069         m_dragCount = 0;
4070     }
4071 #endif // wxUSE_DRAG_AND_DROP
4072
4073     bool simulateClick = false;
4074
4075     if (event.ButtonDClick())
4076     {
4077         m_renameTimer->Stop();
4078         m_lastOnSame = false;
4079     }
4080
4081     bool ignore_other_columns =
4082         ((expander != col) &&
4083         (model->IsContainer(item)) &&
4084         (!model->HasContainerColumns(item)));
4085
4086     if (event.LeftDClick())
4087     {
4088         if(hoverOverExpander)
4089         {
4090             // a double click on the expander will be converted into a "simulated" normal click
4091             simulateClick = true;
4092         }
4093         else if ( current == m_lineLastClicked )
4094         {
4095             wxWindow *parent = GetParent();
4096             wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
4097             le.SetItem( item );
4098             le.SetColumn( col->GetModelColumn() );
4099             le.SetDataViewColumn( col );
4100             le.SetEventObject(parent);
4101             le.SetModel(GetModel());
4102
4103             parent->ProcessWindowEvent(le);
4104             return;
4105         }
4106         else
4107         {
4108             // The first click was on another item, so don't interpret this as
4109             // a double click, but as a simple click instead
4110             simulateClick = true;
4111         }
4112     }
4113
4114     if (event.LeftUp() && !hoverOverExpander)
4115     {
4116         if (m_lineSelectSingleOnUp != (unsigned int)-1)
4117         {
4118             // select single line
4119             SelectAllRows( false );
4120             SelectRow( m_lineSelectSingleOnUp, true );
4121             SendSelectionChangedEvent( GetItemByRow(m_lineSelectSingleOnUp) );
4122         }
4123
4124         // If the user click the expander, we do not do editing even if the column
4125         // with expander are editable
4126         if (m_lastOnSame && !ignore_other_columns)
4127         {
4128             if ((col == m_currentCol) && (current == m_currentRow) &&
4129                 IsCellEditableInMode(item, col, wxDATAVIEW_CELL_EDITABLE) )
4130             {
4131                 m_renameTimer->Start( 100, true );
4132             }
4133         }
4134
4135         m_lastOnSame = false;
4136         m_lineSelectSingleOnUp = (unsigned int)-1;
4137     }
4138     else if(!event.LeftUp())
4139     {
4140         // This is necessary, because after a DnD operation in
4141         // from and to ourself, the up event is swallowed by the
4142         // DnD code. So on next non-up event (which means here and
4143         // now) m_lineSelectSingleOnUp should be reset.
4144         m_lineSelectSingleOnUp = (unsigned int)-1;
4145     }
4146
4147     if (event.RightDown())
4148     {
4149         m_lineBeforeLastClicked = m_lineLastClicked;
4150         m_lineLastClicked = current;
4151
4152         // If the item is already selected, do not update the selection.
4153         // Multi-selections should not be cleared if a selected item is clicked.
4154         if (!IsRowSelected(current))
4155         {
4156             SelectAllRows(false);
4157             const unsigned oldCurrent = m_currentRow;
4158             ChangeCurrentRow(current);
4159             SelectRow(m_currentRow,true);
4160             RefreshRow(oldCurrent);
4161             SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
4162         }
4163     }
4164     else if (event.MiddleDown())
4165     {
4166     }
4167
4168     if((event.LeftDown() || simulateClick) && hoverOverExpander)
4169     {
4170         wxDataViewTreeNode* node = GetTreeNodeByRow(current);
4171
4172         // hoverOverExpander being true tells us that our node must be
4173         // valid and have children.
4174         // So we don't need any extra checks.
4175         if( node->IsOpen() )
4176             Collapse(current);
4177         else
4178             Expand(current);
4179     }
4180     else if ((event.LeftDown() || simulateClick) && !hoverOverExpander)
4181     {
4182         m_lineBeforeLastClicked = m_lineLastClicked;
4183         m_lineLastClicked = current;
4184
4185         unsigned int oldCurrentRow = m_currentRow;
4186         bool oldWasSelected = IsRowSelected(m_currentRow);
4187
4188         bool cmdModifierDown = event.CmdDown();
4189         if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
4190         {
4191             if ( IsSingleSel() || !IsRowSelected(current) )
4192             {
4193                 SelectAllRows( false );
4194                 ChangeCurrentRow(current);
4195                 SelectRow(m_currentRow,true);
4196                 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
4197             }
4198             else // multi sel & current is highlighted & no mod keys
4199             {
4200                 m_lineSelectSingleOnUp = current;
4201                 ChangeCurrentRow(current); // change focus
4202             }
4203         }
4204         else // multi sel & either ctrl or shift is down
4205         {
4206             if (cmdModifierDown)
4207             {
4208                 ChangeCurrentRow(current);
4209                 ReverseRowSelection(m_currentRow);
4210                 SendSelectionChangedEvent(GetItemByRow(m_currentRow));
4211             }
4212             else if (event.ShiftDown())
4213             {
4214                 ChangeCurrentRow(current);
4215
4216                 unsigned int lineFrom = oldCurrentRow,
4217                     lineTo = current;
4218
4219                 if ( lineTo < lineFrom )
4220                 {
4221                     lineTo = lineFrom;
4222                     lineFrom = m_currentRow;
4223                 }
4224
4225                 SelectRows(lineFrom, lineTo, true);
4226                 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
4227             }
4228             else // !ctrl, !shift
4229             {
4230                 // test in the enclosing if should make it impossible
4231                 wxFAIL_MSG( wxT("how did we get here?") );
4232             }
4233         }
4234
4235         if (m_currentRow != oldCurrentRow)
4236             RefreshRow( oldCurrentRow );
4237
4238         wxDataViewColumn *oldCurrentCol = m_currentCol;
4239
4240         // Update selection here...
4241         m_currentCol = col;
4242         m_currentColSetByKeyboard = false;
4243
4244         m_lastOnSame = !simulateClick && ((col == oldCurrentCol) &&
4245                         (current == oldCurrentRow)) && oldWasSelected;
4246
4247         // Call ActivateCell() after everything else as under GTK+
4248         if ( IsCellEditableInMode(item, col, wxDATAVIEW_CELL_ACTIVATABLE) )
4249         {
4250             // notify cell about click
4251             cell->PrepareForItem(model, item, col->GetModelColumn());
4252
4253             wxRect cell_rect( xpos + itemOffset,
4254                               GetLineStart( current ),
4255                               col->GetWidth() - itemOffset,
4256                               GetLineHeight( current ) );
4257
4258             // Report position relative to the cell's custom area, i.e.
4259             // no the entire space as given by the control but the one
4260             // used by the renderer after calculation of alignment etc.
4261
4262             // adjust the rectangle ourselves to account for the alignment
4263             wxRect rectItem = cell_rect;
4264             const int align = cell->GetAlignment();
4265             if ( align != wxDVR_DEFAULT_ALIGNMENT )
4266             {
4267                 const wxSize size = cell->GetSize();
4268
4269                 if ( size.x >= 0 && size.x < cell_rect.width )
4270                 {
4271                     if ( align & wxALIGN_CENTER_HORIZONTAL )
4272                         rectItem.x += (cell_rect.width - size.x)/2;
4273                     else if ( align & wxALIGN_RIGHT )
4274                         rectItem.x += cell_rect.width - size.x;
4275                     // else: wxALIGN_LEFT is the default
4276                 }
4277
4278                 if ( size.y >= 0 && size.y < cell_rect.height )
4279                 {
4280                     if ( align & wxALIGN_CENTER_VERTICAL )
4281                         rectItem.y += (cell_rect.height - size.y)/2;
4282                     else if ( align & wxALIGN_BOTTOM )
4283                         rectItem.y += cell_rect.height - size.y;
4284                     // else: wxALIGN_TOP is the default
4285                 }
4286             }
4287
4288             wxMouseEvent event2(event);
4289             event2.m_x -= rectItem.x;
4290             event2.m_y -= rectItem.y;
4291             m_owner->CalcUnscrolledPosition(event2.m_x, event2.m_y, &event2.m_x, &event2.m_y);
4292
4293              /* ignore ret */ cell->WXActivateCell
4294                                     (
4295                                         cell_rect,
4296                                         model,
4297                                         item,
4298                                         col->GetModelColumn(),
4299                                         &event2
4300                                     );
4301         }
4302     }
4303 }
4304
4305 void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
4306 {
4307     m_hasFocus = true;
4308
4309     if (HasCurrentRow())
4310         Refresh();
4311
4312     event.Skip();
4313 }
4314
4315 void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event )
4316 {
4317     m_hasFocus = false;
4318
4319     if (HasCurrentRow())
4320         Refresh();
4321
4322     event.Skip();
4323 }
4324
4325 void wxDataViewMainWindow::OnColumnsCountChanged()
4326 {
4327     int editableCount = 0;
4328
4329     const unsigned cols = GetOwner()->GetColumnCount();
4330     for ( unsigned i = 0; i < cols; i++ )
4331     {
4332         wxDataViewColumn *c = GetOwner()->GetColumnAt(i);
4333         if ( c->IsHidden() )
4334             continue;
4335         if ( c->GetRenderer()->GetMode() != wxDATAVIEW_CELL_INERT )
4336             editableCount++;
4337     }
4338
4339     m_useCellFocus = (editableCount > 1);
4340
4341     UpdateDisplay();
4342 }
4343
4344 //-----------------------------------------------------------------------------
4345 // wxDataViewCtrl
4346 //-----------------------------------------------------------------------------
4347
4348 WX_DEFINE_LIST(wxDataViewColumnList)
4349
4350 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
4351 BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
4352     EVT_SIZE(wxDataViewCtrl::OnSize)
4353 END_EVENT_TABLE()
4354
4355 wxDataViewCtrl::~wxDataViewCtrl()
4356 {
4357     if (m_notifier)
4358         GetModel()->RemoveNotifier( m_notifier );
4359
4360     m_cols.Clear();
4361     m_colsBestWidths.clear();
4362 }
4363
4364 void wxDataViewCtrl::Init()
4365 {
4366     m_cols.DeleteContents(true);
4367     m_notifier = NULL;
4368
4369     // No sorting column at start
4370     m_sortingColumnIdx = wxNOT_FOUND;
4371
4372     m_headerArea = NULL;
4373
4374     m_colsDirty = false;
4375 }
4376
4377 bool wxDataViewCtrl::Create(wxWindow *parent,
4378                             wxWindowID id,
4379                             const wxPoint& pos,
4380                             const wxSize& size,
4381                             long style,
4382                             const wxValidator& validator,
4383                             const wxString& name)
4384 {
4385 //    if ( (style & wxBORDER_MASK) == 0)
4386 //        style |= wxBORDER_SUNKEN;
4387
4388     Init();
4389
4390     if (!wxControl::Create( parent, id, pos, size,
4391                             style | wxScrolledWindowStyle, validator, name))
4392         return false;
4393
4394     SetInitialSize(size);
4395
4396 #ifdef __WXMAC__
4397     MacSetClipChildren( true );
4398 #endif
4399
4400     m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
4401
4402     // We use the cursor keys for moving the selection, not scrolling, so call
4403     // this method to ensure wxScrollHelperEvtHandler doesn't catch all
4404     // keyboard events forwarded to us from wxListMainWindow.
4405     DisableKeyboardScrolling();
4406
4407     if (HasFlag(wxDV_NO_HEADER))
4408         m_headerArea = NULL;
4409     else
4410         m_headerArea = new wxDataViewHeaderWindow(this);
4411
4412     SetTargetWindow( m_clientArea );
4413
4414     wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
4415     if (m_headerArea)
4416         sizer->Add( m_headerArea, 0, wxGROW );
4417     sizer->Add( m_clientArea, 1, wxGROW );
4418     SetSizer( sizer );
4419
4420     return true;
4421 }
4422
4423 wxBorder wxDataViewCtrl::GetDefaultBorder() const
4424 {
4425     return wxBORDER_THEME;
4426 }
4427
4428 #ifdef __WXMSW__
4429 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
4430                                         WXWPARAM wParam,
4431                                         WXLPARAM lParam)
4432 {
4433     WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
4434
4435 #ifndef __WXWINCE__
4436     // we need to process arrows ourselves for scrolling
4437     if ( nMsg == WM_GETDLGCODE )
4438     {
4439         rc |= DLGC_WANTARROWS;
4440     }
4441 #endif
4442
4443     return rc;
4444 }
4445 #endif
4446
4447 wxSize wxDataViewCtrl::GetSizeAvailableForScrollTarget(const wxSize& size)
4448 {
4449     wxSize newsize = size;
4450     if (!HasFlag(wxDV_NO_HEADER) && (m_headerArea))
4451     newsize.y -= m_headerArea->GetSize().y;
4452
4453     return newsize;
4454 }
4455
4456 void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) )
4457 {
4458     // We need to override OnSize so that our scrolled
4459     // window a) does call Layout() to use sizers for
4460     // positioning the controls but b) does not query
4461     // the sizer for their size and use that for setting
4462     // the scrollable area as set that ourselves by
4463     // calling SetScrollbar() further down.
4464
4465     Layout();
4466
4467     AdjustScrollbars();
4468
4469     // We must redraw the headers if their height changed. Normally this
4470     // shouldn't happen as the control shouldn't let itself be resized beneath
4471     // its minimal height but avoid the display artefacts that appear if it
4472     // does happen, e.g. because there is really not enough vertical space.
4473     if ( !HasFlag(wxDV_NO_HEADER) && m_headerArea &&
4474             m_headerArea->GetSize().y <= m_headerArea->GetBestSize(). y )
4475     {
4476         m_headerArea->Refresh();
4477     }
4478 }
4479
4480 void wxDataViewCtrl::SetFocus()
4481 {
4482     if (m_clientArea)
4483         m_clientArea->SetFocus();
4484 }
4485
4486 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
4487 {
4488     if (!wxDataViewCtrlBase::AssociateModel( model ))
4489         return false;
4490
4491     m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
4492
4493     model->AddNotifier( m_notifier );
4494
4495     m_clientArea->DestroyTree();
4496
4497     m_clientArea->BuildTree(model);
4498
4499     m_clientArea->UpdateDisplay();
4500
4501     return true;
4502 }
4503
4504 #if wxUSE_DRAG_AND_DROP
4505
4506 bool wxDataViewCtrl::EnableDragSource( const wxDataFormat &format )
4507 {
4508     return m_clientArea->EnableDragSource( format );
4509 }
4510
4511 bool wxDataViewCtrl::EnableDropTarget( const wxDataFormat &format )
4512 {
4513     return m_clientArea->EnableDropTarget( format );
4514 }
4515
4516 #endif // wxUSE_DRAG_AND_DROP
4517
4518 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
4519 {
4520     if (!wxDataViewCtrlBase::AppendColumn(col))
4521         return false;
4522
4523     m_cols.Append( col );
4524     m_colsBestWidths.push_back(0);
4525     OnColumnsCountChanged();
4526     return true;
4527 }
4528
4529 bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
4530 {
4531     if (!wxDataViewCtrlBase::PrependColumn(col))
4532         return false;
4533
4534     m_cols.Insert( col );
4535     m_colsBestWidths.insert(m_colsBestWidths.begin(), 0);
4536     OnColumnsCountChanged();
4537     return true;
4538 }
4539
4540 bool wxDataViewCtrl::InsertColumn( unsigned int pos, wxDataViewColumn *col )
4541 {
4542     if (!wxDataViewCtrlBase::InsertColumn(pos,col))
4543         return false;
4544
4545     m_cols.Insert( pos, col );
4546     m_colsBestWidths.insert(m_colsBestWidths.begin() + pos, 0);
4547     OnColumnsCountChanged();
4548     return true;
4549 }
4550
4551 void wxDataViewCtrl::OnColumnChange(unsigned int idx)
4552 {
4553     if ( m_headerArea )
4554         m_headerArea->UpdateColumn(idx);
4555
4556     m_clientArea->UpdateDisplay();
4557 }
4558
4559 void wxDataViewCtrl::OnColumnsCountChanged()
4560 {
4561     if (m_headerArea)
4562         m_headerArea->SetColumnCount(GetColumnCount());
4563
4564     m_clientArea->OnColumnsCountChanged();
4565 }
4566
4567 void wxDataViewCtrl::DoSetExpanderColumn()
4568 {
4569     m_clientArea->UpdateDisplay();
4570 }
4571
4572 void wxDataViewCtrl::DoSetIndent()
4573 {
4574     m_clientArea->UpdateDisplay();
4575 }
4576
4577 unsigned int wxDataViewCtrl::GetColumnCount() const
4578 {
4579     return m_cols.GetCount();
4580 }
4581
4582 bool wxDataViewCtrl::SetRowHeight( int lineHeight )
4583 {
4584     if ( !m_clientArea )
4585         return false;
4586
4587     m_clientArea->SetRowHeight(lineHeight);
4588
4589     return true;
4590 }
4591
4592 wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int idx ) const
4593 {
4594     return m_cols[idx];
4595 }
4596
4597 wxDataViewColumn *wxDataViewCtrl::GetColumnAt(unsigned int pos) const
4598 {
4599     // columns can't be reordered if there is no header window which allows
4600     // to do this
4601     const unsigned idx = m_headerArea ? m_headerArea->GetColumnsOrder()[pos]
4602                                     : pos;
4603
4604     return GetColumn(idx);
4605 }
4606
4607 int wxDataViewCtrl::GetColumnIndex(const wxDataViewColumn *column) const
4608 {
4609     const unsigned count = m_cols.size();
4610     for ( unsigned n = 0; n < count; n++ )
4611     {
4612         if ( m_cols[n] == column )
4613             return n;
4614     }
4615
4616     return wxNOT_FOUND;
4617 }
4618
4619 unsigned int wxDataViewCtrl::GetBestColumnWidth(int idx) const
4620 {
4621     if ( m_colsBestWidths[idx] != 0 )
4622         return m_colsBestWidths[idx];
4623
4624     const int count = m_clientArea->GetRowCount();
4625     wxDataViewColumn *column = GetColumn(idx);
4626     wxDataViewRenderer *renderer =
4627         const_cast<wxDataViewRenderer*>(column->GetRenderer());
4628
4629     class MaxWidthCalculator
4630     {
4631     public:
4632         MaxWidthCalculator(const wxDataViewCtrl *dvc,
4633                            wxDataViewMainWindow *clientArea,
4634                            wxDataViewRenderer *renderer,
4635                            const wxDataViewModel *model,
4636                            unsigned column,
4637                            int expanderSize)
4638             : m_width(0),
4639               m_dvc(dvc),
4640               m_clientArea(clientArea),
4641               m_renderer(renderer),
4642               m_model(model),
4643               m_column(column),
4644               m_expanderSize(expanderSize)
4645
4646         {
4647             m_isExpanderCol =
4648                 !clientArea->IsList() &&
4649                 (column == 0 ||
4650                  GetExpanderColumnOrFirstOne(const_cast<wxDataViewCtrl*>(dvc)) == dvc->GetColumnAt(column));
4651         }
4652
4653         void UpdateWithWidth(int width)
4654         {
4655             m_width = wxMax(m_width, width);
4656         }
4657
4658         void UpdateWithRow(int row)
4659         {
4660             int indent = 0;
4661             wxDataViewItem item;
4662
4663             if ( m_isExpanderCol )
4664             {
4665                 wxDataViewTreeNode *node = m_clientArea->GetTreeNodeByRow(row);
4666                 item = node->GetItem();
4667                 indent = m_dvc->GetIndent() * node->GetIndentLevel() + m_expanderSize;
4668             }
4669             else
4670             {
4671                 item = m_clientArea->GetItemByRow(row);
4672             }
4673
4674             m_renderer->PrepareForItem(m_model, item, m_column);
4675             m_width = wxMax(m_width, m_renderer->GetSize().x + indent);
4676         }
4677
4678         int GetMaxWidth() const { return m_width; }
4679
4680     private:
4681         int m_width;
4682         const wxDataViewCtrl *m_dvc;
4683         wxDataViewMainWindow *m_clientArea;
4684         wxDataViewRenderer *m_renderer;
4685         const wxDataViewModel *m_model;
4686         unsigned m_column;
4687         bool m_isExpanderCol;
4688         int m_expanderSize;
4689     };
4690
4691     MaxWidthCalculator calculator(this, m_clientArea, renderer,
4692                                   GetModel(), column->GetModelColumn(),
4693                                   m_clientArea->GetRowHeight());
4694
4695     if ( m_headerArea )
4696         calculator.UpdateWithWidth(m_headerArea->GetColumnTitleWidth(*column));
4697
4698     // The code below deserves some explanation. For very large controls, we
4699     // simply can't afford to calculate sizes for all items, it takes too
4700     // long. So the best we can do is to check the first and the last N/2
4701     // items in the control for some sufficiently large N and calculate best
4702     // sizes from that. That can result in the calculated best width being too
4703     // small for some outliers, but it's better to get slightly imperfect
4704     // result than to wait several seconds after every update. To avoid highly
4705     // visible miscalculations, we also include all currently visible items
4706     // no matter what.  Finally, the value of N is determined dynamically by
4707     // measuring how much time we spent on the determining item widths so far.
4708
4709 #if wxUSE_STOPWATCH
4710     int top_part_end = count;
4711     static const long CALC_TIMEOUT = 20/*ms*/;
4712     // don't call wxStopWatch::Time() too often
4713     static const unsigned CALC_CHECK_FREQ = 100;
4714     wxStopWatch timer;
4715 #else
4716     // use some hard-coded limit, that's the best we can do without timer
4717     int top_part_end = wxMin(500, count);
4718 #endif // wxUSE_STOPWATCH/!wxUSE_STOPWATCH
4719
4720     int row = 0;
4721
4722     for ( row = 0; row < top_part_end; row++ )
4723     {
4724 #if wxUSE_STOPWATCH
4725         if ( row % CALC_CHECK_FREQ == CALC_CHECK_FREQ-1 &&
4726              timer.Time() > CALC_TIMEOUT )
4727             break;
4728 #endif // wxUSE_STOPWATCH
4729         calculator.UpdateWithRow(row);
4730     }
4731
4732     // row is the first unmeasured item now; that's our value of N/2
4733
4734     if ( row < count )
4735     {
4736         top_part_end = row;
4737
4738         // add bottom N/2 items now:
4739         const int bottom_part_start = wxMax(row, count - row);
4740         for ( row = bottom_part_start; row < count; row++ )
4741         {
4742             calculator.UpdateWithRow(row);
4743         }
4744
4745         // finally, include currently visible items in the calculation:
4746         const wxPoint origin = CalcUnscrolledPosition(wxPoint(0, 0));
4747         int first_visible = m_clientArea->GetLineAt(origin.y);
4748         int last_visible = m_clientArea->GetLineAt(origin.y + GetClientSize().y);
4749
4750         first_visible = wxMax(first_visible, top_part_end);
4751         last_visible = wxMin(bottom_part_start, last_visible);
4752
4753         for ( row = first_visible; row < last_visible; row++ )
4754         {
4755             calculator.UpdateWithRow(row);
4756         }
4757
4758         wxLogTrace("dataview",
4759                    "determined best size from %d top, %d bottom plus %d more visible items out of %d total",
4760                    top_part_end,
4761                    count - bottom_part_start,
4762                    wxMax(0, last_visible - first_visible),
4763                    count);
4764     }
4765
4766     int max_width = calculator.GetMaxWidth();
4767     if ( max_width > 0 )
4768         max_width += 2 * PADDING_RIGHTLEFT;
4769
4770     const_cast<wxDataViewCtrl*>(this)->m_colsBestWidths[idx] = max_width;
4771     return max_width;
4772 }
4773
4774 void wxDataViewCtrl::ColumnMoved(wxDataViewColumn * WXUNUSED(col),
4775                                 unsigned int WXUNUSED(new_pos))
4776 {
4777     // do _not_ reorder m_cols elements here, they should always be in the
4778     // order in which columns were added, we only display the columns in
4779     // different order
4780     m_clientArea->UpdateDisplay();
4781 }
4782
4783 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
4784 {
4785     wxDataViewColumnList::compatibility_iterator ret = m_cols.Find( column );
4786     if (!ret)
4787         return false;
4788
4789     m_colsBestWidths.erase(m_colsBestWidths.begin() + GetColumnIndex(column));
4790     m_cols.Erase(ret);
4791
4792     if ( m_clientArea->GetCurrentColumn() == column )
4793         m_clientArea->ClearCurrentColumn();
4794
4795     OnColumnsCountChanged();
4796
4797     return true;
4798 }
4799
4800 bool wxDataViewCtrl::ClearColumns()
4801 {
4802     SetExpanderColumn(NULL);
4803     m_cols.Clear();
4804     m_colsBestWidths.clear();
4805
4806     m_clientArea->ClearCurrentColumn();
4807
4808     OnColumnsCountChanged();
4809
4810     return true;
4811 }
4812
4813 void wxDataViewCtrl::InvalidateColBestWidth(int idx)
4814 {
4815     m_colsBestWidths[idx] = 0;
4816     m_colsDirty = true;
4817 }
4818
4819 void wxDataViewCtrl::InvalidateColBestWidths()
4820 {
4821     m_colsBestWidths.clear();
4822     m_colsBestWidths.resize(m_cols.size());
4823     m_colsDirty = true;
4824 }
4825
4826 void wxDataViewCtrl::UpdateColWidths()
4827 {
4828     if ( !m_headerArea )
4829         return;
4830
4831     const unsigned len = m_colsBestWidths.size();
4832     for ( unsigned i = 0; i < len; i++ )
4833     {
4834         if ( m_colsBestWidths[i] == 0 )
4835             m_headerArea->UpdateColumn(i);
4836     }
4837 }
4838
4839 void wxDataViewCtrl::OnInternalIdle()
4840 {
4841     wxDataViewCtrlBase::OnInternalIdle();
4842
4843     if ( m_colsDirty )
4844     {
4845         m_colsDirty = false;
4846         UpdateColWidths();
4847     }
4848 }
4849
4850 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
4851 {
4852     unsigned int len = GetColumnCount();
4853     for ( unsigned int i = 0; i < len; i++ )
4854     {
4855         wxDataViewColumn * col = GetColumnAt(i);
4856         if (column==col)
4857             return i;
4858     }
4859
4860     return wxNOT_FOUND;
4861 }
4862
4863 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
4864 {
4865     return m_sortingColumnIdx == wxNOT_FOUND ? NULL
4866                                             : GetColumn(m_sortingColumnIdx);
4867 }
4868
4869 wxDataViewItem wxDataViewCtrl::DoGetCurrentItem() const
4870 {
4871     return GetItemByRow(m_clientArea->GetCurrentRow());
4872 }
4873
4874 void wxDataViewCtrl::DoSetCurrentItem(const wxDataViewItem& item)
4875 {
4876     const int row = m_clientArea->GetRowByItem(item);
4877
4878     const unsigned oldCurrent = m_clientArea->GetCurrentRow();
4879     if ( static_cast<unsigned>(row) != oldCurrent )
4880     {
4881         m_clientArea->ChangeCurrentRow(row);
4882         m_clientArea->RefreshRow(oldCurrent);
4883         m_clientArea->RefreshRow(row);
4884     }
4885 }
4886
4887 wxDataViewColumn *wxDataViewCtrl::GetCurrentColumn() const
4888 {
4889     return m_clientArea->GetCurrentColumn();
4890 }
4891
4892 int wxDataViewCtrl::GetSelectedItemsCount() const
4893 {
4894     return m_clientArea->GetSelections().size();
4895 }
4896
4897 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
4898 {
4899     sel.Empty();
4900     const wxDataViewSelection& selections = m_clientArea->GetSelections();
4901
4902     const size_t len = selections.size();
4903     for ( size_t i = 0; i < len; i++ )
4904     {
4905         wxDataViewItem item = m_clientArea->GetItemByRow(selections[i]);
4906         if ( item.IsOk() )
4907         {
4908             sel.Add(item);
4909         }
4910         else
4911         {
4912             wxFAIL_MSG( "invalid item in selection - bad internal state" );
4913         }
4914     }
4915
4916     return sel.size();
4917 }
4918
4919 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
4920 {
4921     wxDataViewSelection selection(wxDataViewSelectionCmp);
4922
4923     wxDataViewItem last_parent;
4924
4925     int len = sel.GetCount();
4926     for( int i = 0; i < len; i ++ )
4927     {
4928         wxDataViewItem item = sel[i];
4929         wxDataViewItem parent = GetModel()->GetParent( item );
4930         if (parent)
4931         {
4932             if (parent != last_parent)
4933                 ExpandAncestors(item);
4934         }
4935
4936         last_parent = parent;
4937         int row = m_clientArea->GetRowByItem( item );
4938         if( row >= 0 )
4939             selection.Add( static_cast<unsigned int>(row) );
4940     }
4941
4942     m_clientArea->SetSelections( selection );
4943 }
4944
4945 void wxDataViewCtrl::Select( const wxDataViewItem & item )
4946 {
4947     ExpandAncestors( item );
4948
4949     int row = m_clientArea->GetRowByItem( item );
4950     if( row >= 0 )
4951     {
4952         // Unselect all rows before select another in the single select mode
4953         if (m_clientArea->IsSingleSel())
4954             m_clientArea->SelectAllRows(false);
4955
4956         m_clientArea->SelectRow(row, true);
4957
4958         // Also set focus to the selected item
4959         m_clientArea->ChangeCurrentRow( row );
4960     }
4961 }
4962
4963 void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
4964 {
4965     int row = m_clientArea->GetRowByItem( item );
4966     if( row >= 0 )
4967         m_clientArea->SelectRow(row, false);
4968 }
4969
4970 bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
4971 {
4972     int row = m_clientArea->GetRowByItem( item );
4973     if( row >= 0 )
4974     {
4975         return m_clientArea->IsRowSelected(row);
4976     }
4977     return false;
4978 }
4979
4980 void wxDataViewCtrl::SetAlternateRowColour(const wxColour& colour)
4981 {
4982     m_alternateRowColour = colour;
4983 }
4984
4985 void wxDataViewCtrl::SelectAll()
4986 {
4987     m_clientArea->SelectAllRows(true);
4988 }
4989
4990 void wxDataViewCtrl::UnselectAll()
4991 {
4992     m_clientArea->SelectAllRows(false);
4993 }
4994
4995 void wxDataViewCtrl::EnsureVisible( int row, int column )
4996 {
4997     if( row < 0 )
4998         row = 0;
4999     if( row > (int) m_clientArea->GetRowCount() )
5000         row = m_clientArea->GetRowCount();
5001
5002     int first = m_clientArea->GetFirstVisibleRow();
5003     int last = m_clientArea->GetLastVisibleRow();
5004     if( row < first )
5005         m_clientArea->ScrollTo( row, column );
5006     else if( row > last )
5007         m_clientArea->ScrollTo( row - last + first, column );
5008     else
5009         m_clientArea->ScrollTo( first, column );
5010 }
5011
5012 void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
5013 {
5014     ExpandAncestors( item );
5015
5016     m_clientArea->RecalculateDisplay();
5017
5018     int row = m_clientArea->GetRowByItem(item);
5019     if( row >= 0 )
5020     {
5021         if( column == NULL )
5022             EnsureVisible(row, -1);
5023         else
5024             EnsureVisible( row, GetColumnIndex(column) );
5025     }
5026
5027 }
5028
5029 void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item,
5030                               wxDataViewColumn* &column ) const
5031 {
5032     m_clientArea->HitTest(point, item, column);
5033 }
5034
5035 wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item,
5036                                     const wxDataViewColumn* column ) const
5037 {
5038     return m_clientArea->GetItemRect(item, column);
5039 }
5040
5041 wxDataViewItem wxDataViewCtrl::GetItemByRow( unsigned int row ) const
5042 {
5043     return m_clientArea->GetItemByRow( row );
5044 }
5045
5046 int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const
5047 {
5048     return m_clientArea->GetRowByItem( item );
5049 }
5050
5051 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
5052 {
5053     ExpandAncestors( item );
5054
5055     int row = m_clientArea->GetRowByItem( item );
5056     if (row != -1)
5057         m_clientArea->Expand(row);
5058 }
5059
5060 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
5061 {
5062     int row = m_clientArea->GetRowByItem( item );
5063     if (row != -1)
5064         m_clientArea->Collapse(row);
5065 }
5066
5067 bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
5068 {
5069     int row = m_clientArea->GetRowByItem( item );
5070     if (row != -1)
5071         return m_clientArea->IsExpanded(row);
5072     return false;
5073 }
5074
5075 void wxDataViewCtrl::EditItem(const wxDataViewItem& item, const wxDataViewColumn *column)
5076 {
5077     wxCHECK_RET( item.IsOk(), "invalid item" );
5078     wxCHECK_RET( column, "no column provided" );
5079
5080     m_clientArea->StartEditing(item, column);
5081 }
5082
5083 #endif // !wxUSE_GENERICDATAVIEWCTRL
5084
5085 #endif // wxUSE_DATAVIEWCTRL