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 #ifdef __WXMSW__
1381     // We would like to use the same line height that Explorer uses. This is
1382     // different from standard ListView control since Vista.
1383     if ( wxGetWinVersion() >= wxWinVersion_Vista )
1384         m_lineHeight = wxMax(16, GetCharHeight()) + 6; // 16 = mini icon height
1385     else
1386 #endif // __WXMSW__
1387         m_lineHeight = wxMax(16, GetCharHeight()) + 1; // 16 = mini icon height
1388
1389 #if wxUSE_DRAG_AND_DROP
1390     m_dragCount = 0;
1391     m_dragStart = wxPoint(0,0);
1392
1393     m_dragEnabled = false;
1394     m_dropEnabled = false;
1395     m_dropHint = false;
1396     m_dropHintLine = (unsigned int) -1;
1397 #endif // wxUSE_DRAG_AND_DROP
1398
1399     m_lineLastClicked = (unsigned int) -1;
1400     m_lineBeforeLastClicked = (unsigned int) -1;
1401     m_lineSelectSingleOnUp = (unsigned int) -1;
1402
1403     m_hasFocus = false;
1404
1405     SetBackgroundColour( *wxWHITE );
1406
1407     SetBackgroundStyle(wxBG_STYLE_CUSTOM);
1408
1409     m_penRule = wxPen(GetRuleColour());
1410
1411     // compose a pen whichcan draw black lines
1412     // TODO: maybe there is something system colour to use
1413     m_penExpander = wxPen(wxColour(0,0,0));
1414
1415     m_root = wxDataViewTreeNode::CreateRootNode();
1416
1417     // Make m_count = -1 will cause the class recaculate the real displaying number of rows.
1418     m_count = -1;
1419     m_underMouse = NULL;
1420     UpdateDisplay();
1421 }
1422
1423 wxDataViewMainWindow::~wxDataViewMainWindow()
1424 {
1425     DestroyTree();
1426     delete m_renameTimer;
1427 }
1428
1429
1430 #if wxUSE_DRAG_AND_DROP
1431 bool wxDataViewMainWindow::EnableDragSource( const wxDataFormat &format )
1432 {
1433     m_dragFormat = format;
1434     m_dragEnabled = format != wxDF_INVALID;
1435
1436     return true;
1437 }
1438
1439 bool wxDataViewMainWindow::EnableDropTarget( const wxDataFormat &format )
1440 {
1441     m_dropFormat = format;
1442     m_dropEnabled = format != wxDF_INVALID;
1443
1444     if (m_dropEnabled)
1445         SetDropTarget( new wxDataViewDropTarget( new wxCustomDataObject( format ), this ) );
1446
1447     return true;
1448 }
1449
1450 void wxDataViewMainWindow::RemoveDropHint()
1451 {
1452     if (m_dropHint)
1453     {
1454             m_dropHint = false;
1455             RefreshRow( m_dropHintLine );
1456             m_dropHintLine = (unsigned int) -1;
1457     }
1458 }
1459
1460 wxDragResult wxDataViewMainWindow::OnDragOver( wxDataFormat format, wxCoord x,
1461                                                wxCoord y, wxDragResult def )
1462 {
1463     int xx = x;
1464     int yy = y;
1465     m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1466     unsigned int row = GetLineAt( yy );
1467
1468     if ((row >= GetRowCount()) || (xx > GetEndOfLastCol()))
1469     {
1470         RemoveDropHint();
1471         return wxDragNone;
1472     }
1473
1474     wxDataViewItem item = GetItemByRow( row );
1475
1476     wxDataViewModel *model = GetModel();
1477
1478     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1479     event.SetEventObject( m_owner );
1480     event.SetItem( item );
1481     event.SetModel( model );
1482     event.SetDataFormat( format );
1483     if (!m_owner->HandleWindowEvent( event ))
1484     {
1485         RemoveDropHint();
1486         return wxDragNone;
1487     }
1488
1489     if (!event.IsAllowed())
1490     {
1491         RemoveDropHint();
1492         return wxDragNone;
1493     }
1494
1495
1496     if (m_dropHint && (row != m_dropHintLine))
1497         RefreshRow( m_dropHintLine );
1498     m_dropHint = true;
1499     m_dropHintLine = row;
1500     RefreshRow( row );
1501
1502     return def;
1503 }
1504
1505 bool wxDataViewMainWindow::OnDrop( wxDataFormat format, wxCoord x, wxCoord y )
1506 {
1507     RemoveDropHint();
1508
1509     int xx = x;
1510     int yy = y;
1511     m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1512     unsigned int row = GetLineAt( yy );
1513
1514     if ((row >= GetRowCount()) || (xx > GetEndOfLastCol()))
1515         return false;
1516
1517     wxDataViewItem item = GetItemByRow( row );
1518
1519     wxDataViewModel *model = GetModel();
1520
1521     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1522     event.SetEventObject( m_owner );
1523     event.SetItem( item );
1524     event.SetModel( model );
1525     event.SetDataFormat( format );
1526     if (!m_owner->HandleWindowEvent( event ))
1527         return false;
1528
1529     if (!event.IsAllowed())
1530         return false;
1531
1532     return true;
1533 }
1534
1535 wxDragResult wxDataViewMainWindow::OnData( wxDataFormat format, wxCoord x, wxCoord y,
1536                                            wxDragResult def )
1537 {
1538     int xx = x;
1539     int yy = y;
1540     m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1541     unsigned int row = GetLineAt( yy );
1542
1543     if ((row >= GetRowCount()) || (xx > GetEndOfLastCol()))
1544         return wxDragNone;
1545
1546     wxDataViewItem item = GetItemByRow( row );
1547
1548     wxDataViewModel *model = GetModel();
1549
1550     wxCustomDataObject *obj = (wxCustomDataObject *) GetDropTarget()->GetDataObject();
1551
1552     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, m_owner->GetId() );
1553     event.SetEventObject( m_owner );
1554     event.SetItem( item );
1555     event.SetModel( model );
1556     event.SetDataFormat( format );
1557     event.SetDataSize( obj->GetSize() );
1558     event.SetDataBuffer( obj->GetData() );
1559     if (!m_owner->HandleWindowEvent( event ))
1560         return wxDragNone;
1561
1562     if (!event.IsAllowed())
1563         return wxDragNone;
1564
1565     return def;
1566 }
1567
1568 void wxDataViewMainWindow::OnLeave()
1569 {
1570     RemoveDropHint();
1571 }
1572
1573 wxBitmap wxDataViewMainWindow::CreateItemBitmap( unsigned int row, int &indent )
1574 {
1575     int height = GetLineHeight( row );
1576     int width = 0;
1577     unsigned int cols = GetOwner()->GetColumnCount();
1578     unsigned int col;
1579     for (col = 0; col < cols; col++)
1580     {
1581         wxDataViewColumn *column = GetOwner()->GetColumnAt(col);
1582         if (column->IsHidden())
1583             continue;      // skip it!
1584         width += column->GetWidth();
1585     }
1586
1587     indent = 0;
1588     if (!IsList())
1589     {
1590         wxDataViewTreeNode *node = GetTreeNodeByRow(row);
1591         indent = GetOwner()->GetIndent() * node->GetIndentLevel();
1592         indent = indent + m_lineHeight;
1593             // try to use the m_lineHeight as the expander space
1594     }
1595     width -= indent;
1596
1597     wxBitmap bitmap( width, height );
1598     wxMemoryDC dc( bitmap );
1599     dc.SetFont( GetFont() );
1600     dc.SetPen( *wxBLACK_PEN );
1601     dc.SetBrush( *wxWHITE_BRUSH );
1602     dc.DrawRectangle( 0,0,width,height );
1603
1604     wxDataViewModel *model = m_owner->GetModel();
1605
1606     wxDataViewColumn * const
1607         expander = GetExpanderColumnOrFirstOne(GetOwner());
1608
1609     int x = 0;
1610     for (col = 0; col < cols; col++)
1611     {
1612         wxDataViewColumn *column = GetOwner()->GetColumnAt( col );
1613         wxDataViewRenderer *cell = column->GetRenderer();
1614
1615         if (column->IsHidden())
1616             continue;       // skip it!
1617
1618         width = column->GetWidth();
1619
1620         if (column == expander)
1621             width -= indent;
1622
1623         wxDataViewItem item = GetItemByRow( row );
1624         cell->PrepareForItem(model, item, column->GetModelColumn());
1625
1626         wxRect item_rect(x, 0, width, height);
1627         item_rect.Deflate(PADDING_RIGHTLEFT, 0);
1628
1629         // dc.SetClippingRegion( item_rect );
1630         cell->WXCallRender(item_rect, &dc, 0);
1631         // dc.DestroyClippingRegion();
1632
1633         x += width;
1634     }
1635
1636     return bitmap;
1637 }
1638
1639 #endif // wxUSE_DRAG_AND_DROP
1640
1641
1642 // Draw focus rect for individual cell. Unlike native focus rect, we render
1643 // this in foreground text color (typically white) to enhance contrast and
1644 // make it visible.
1645 static void DrawSelectedCellFocusRect(wxDC& dc, const wxRect& rect)
1646 {
1647     // (This code is based on wxRendererGeneric::DrawFocusRect and modified.)
1648
1649     // draw the pixels manually because the "dots" in wxPen with wxDOT style
1650     // may be short traits and not really dots
1651     //
1652     // note that to behave in the same manner as DrawRect(), we must exclude
1653     // the bottom and right borders from the rectangle
1654     wxCoord x1 = rect.GetLeft(),
1655             y1 = rect.GetTop(),
1656             x2 = rect.GetRight(),
1657             y2 = rect.GetBottom();
1658
1659     wxDCPenChanger pen(dc, wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT));
1660
1661     wxCoord z;
1662     for ( z = x1 + 1; z < x2; z += 2 )
1663         dc.DrawPoint(z, rect.GetTop());
1664
1665     wxCoord shift = z == x2 ? 0 : 1;
1666     for ( z = y1 + shift; z < y2; z += 2 )
1667         dc.DrawPoint(x2, z);
1668
1669     shift = z == y2 ? 0 : 1;
1670     for ( z = x2 - shift; z > x1; z -= 2 )
1671         dc.DrawPoint(z, y2);
1672
1673     shift = z == x1 ? 0 : 1;
1674     for ( z = y2 - shift; z > y1; z -= 2 )
1675         dc.DrawPoint(x1, z);
1676 }
1677
1678
1679 void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1680 {
1681     wxDataViewModel *model = GetModel();
1682     wxAutoBufferedPaintDC dc( this );
1683
1684 #ifdef __WXMSW__
1685     dc.SetBrush(GetOwner()->GetBackgroundColour());
1686     dc.SetPen( *wxTRANSPARENT_PEN );
1687     dc.DrawRectangle(GetClientSize());
1688 #endif
1689
1690     if ( IsEmpty() )
1691     {
1692         // No items to draw.
1693         return;
1694     }
1695
1696     // prepare the DC
1697     GetOwner()->PrepareDC( dc );
1698     dc.SetFont( GetFont() );
1699
1700     wxRect update = GetUpdateRegion().GetBox();
1701     m_owner->CalcUnscrolledPosition( update.x, update.y, &update.x, &update.y );
1702
1703     // compute which items needs to be redrawn
1704     unsigned int item_start = GetLineAt( wxMax(0,update.y) );
1705     unsigned int item_count =
1706         wxMin( (int)(  GetLineAt( wxMax(0,update.y+update.height) ) - item_start + 1),
1707             (int)(GetRowCount( ) - item_start));
1708     unsigned int item_last = item_start + item_count;
1709
1710     // Send the event to wxDataViewCtrl itself.
1711     wxWindow * const parent = GetParent();
1712     wxDataViewEvent cache_event(wxEVT_COMMAND_DATAVIEW_CACHE_HINT, parent->GetId());
1713     cache_event.SetEventObject(parent);
1714     cache_event.SetCache(item_start, item_last - 1);
1715     parent->ProcessWindowEvent(cache_event);
1716
1717     // compute which columns needs to be redrawn
1718     unsigned int cols = GetOwner()->GetColumnCount();
1719     if ( !cols )
1720     {
1721         // we assume that we have at least one column below and painting an
1722         // empty control is unnecessary anyhow
1723         return;
1724     }
1725
1726     unsigned int col_start = 0;
1727     unsigned int x_start;
1728     for (x_start = 0; col_start < cols; col_start++)
1729     {
1730         wxDataViewColumn *col = GetOwner()->GetColumnAt(col_start);
1731         if (col->IsHidden())
1732             continue;      // skip it!
1733
1734         unsigned int w = col->GetWidth();
1735         if (x_start+w >= (unsigned int)update.x)
1736             break;
1737
1738         x_start += w;
1739     }
1740
1741     unsigned int col_last = col_start;
1742     unsigned int x_last = x_start;
1743     for (; col_last < cols; col_last++)
1744     {
1745         wxDataViewColumn *col = GetOwner()->GetColumnAt(col_last);
1746         if (col->IsHidden())
1747             continue;      // skip it!
1748
1749         if (x_last > (unsigned int)update.GetRight())
1750             break;
1751
1752         x_last += col->GetWidth();
1753     }
1754
1755     // Draw background of alternate rows specially if required
1756     if ( m_owner->HasFlag(wxDV_ROW_LINES) )
1757     {
1758         wxColour altRowColour = m_owner->m_alternateRowColour;
1759         if ( !altRowColour.IsOk() )
1760         {
1761             // Determine the alternate rows colour automatically from the
1762             // background colour.
1763             const wxColour bgColour = m_owner->GetBackgroundColour();
1764
1765             // Depending on the background, alternate row color
1766             // will be 3% more dark or 50% brighter.
1767             int alpha = bgColour.GetRGB() > 0x808080 ? 97 : 150;
1768             altRowColour = bgColour.ChangeLightness(alpha);
1769         }
1770
1771         dc.SetPen(*wxTRANSPARENT_PEN);
1772         dc.SetBrush(wxBrush(altRowColour));
1773
1774         for (unsigned int item = item_start; item < item_last; item++)
1775         {
1776             if ( item % 2 )
1777             {
1778                 dc.DrawRectangle(x_start,
1779                                  GetLineStart(item),
1780                                  GetClientSize().GetWidth(),
1781                                  GetLineHeight(item));
1782             }
1783         }
1784     }
1785
1786     // Draw horizontal rules if required
1787     if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
1788     {
1789         dc.SetPen(m_penRule);
1790         dc.SetBrush(*wxTRANSPARENT_BRUSH);
1791
1792         for (unsigned int i = item_start; i <= item_last; i++)
1793         {
1794             int y = GetLineStart( i );
1795             dc.DrawLine(x_start, y, x_last, y);
1796         }
1797     }
1798
1799     // Draw vertical rules if required
1800     if ( m_owner->HasFlag(wxDV_VERT_RULES) )
1801     {
1802         dc.SetPen(m_penRule);
1803         dc.SetBrush(*wxTRANSPARENT_BRUSH);
1804
1805         // NB: Vertical rules are drawn in the last pixel of a column so that
1806         //     they align perfectly with native MSW wxHeaderCtrl as well as for
1807         //     consistency with MSW native list control. There's no vertical
1808         //     rule at the most-left side of the control.
1809
1810         int x = x_start - 1;
1811         for (unsigned int i = col_start; i < col_last; i++)
1812         {
1813             wxDataViewColumn *col = GetOwner()->GetColumnAt(i);
1814             if (col->IsHidden())
1815                 continue;       // skip it
1816
1817             x += col->GetWidth();
1818
1819             dc.DrawLine(x, GetLineStart( item_start ),
1820                         x, GetLineStart( item_last ) );
1821         }
1822     }
1823
1824     // redraw the background for the items which are selected/current
1825     for (unsigned int item = item_start; item < item_last; item++)
1826     {
1827         bool selected = m_selection.Index( item ) != wxNOT_FOUND;
1828
1829         if (selected || item == m_currentRow)
1830         {
1831             wxRect rect( x_start, GetLineStart( item ),
1832                          x_last - x_start, GetLineHeight( item ) );
1833
1834             // draw selection and whole-item focus:
1835             if ( selected )
1836             {
1837                 int flags = wxCONTROL_SELECTED;
1838                 if (m_hasFocus)
1839                     flags |= wxCONTROL_FOCUSED;
1840
1841                 wxRendererNative::Get().DrawItemSelectionRect
1842                                     (
1843                                         this,
1844                                         dc,
1845                                         rect,
1846                                         flags
1847                                     );
1848             }
1849
1850             // draw keyboard focus rect if applicable
1851             if ( item == m_currentRow && m_hasFocus )
1852             {
1853                 bool renderColumnFocus = false;
1854
1855                 if ( m_useCellFocus && m_currentCol && m_currentColSetByKeyboard )
1856                 {
1857                     renderColumnFocus = true;
1858
1859                     // If this is container node without columns, render full-row focus:
1860                     if ( !IsList() )
1861                     {
1862                         wxDataViewTreeNode *node = GetTreeNodeByRow(item);
1863                         if ( node->HasChildren() && !model->HasContainerColumns(node->GetItem()) )
1864                             renderColumnFocus = false;
1865                     }
1866                 }
1867
1868                 if ( renderColumnFocus )
1869                 {
1870                     for ( unsigned int i = col_start; i < col_last; i++ )
1871                     {
1872                         wxDataViewColumn *col = GetOwner()->GetColumnAt(i);
1873                         if ( col->IsHidden() )
1874                             continue;
1875
1876                         rect.width = col->GetWidth();
1877
1878                         if ( col == m_currentCol )
1879                         {
1880                             // make the rect more visible by adding a small
1881                             // margin around it:
1882                             rect.Deflate(1, 1);
1883
1884                             if ( selected )
1885                             {
1886                                 // DrawFocusRect() uses XOR and is all but
1887                                 // invisible against dark-blue background. Use
1888                                 // the same color used for selected text.
1889                                 DrawSelectedCellFocusRect(dc, rect);
1890                             }
1891                             else
1892                             {
1893                                 wxRendererNative::Get().DrawFocusRect
1894                                                     (
1895                                                         this,
1896                                                         dc,
1897                                                         rect,
1898                                                         0
1899                                                 );
1900                             }
1901                             break;
1902                         }
1903
1904                         rect.x += rect.width;
1905                     }
1906                 }
1907                 else
1908                 {
1909                     // render focus rectangle for the whole row
1910                     wxRendererNative::Get().DrawFocusRect
1911                                         (
1912                                             this,
1913                                             dc,
1914                                             rect,
1915                                             selected ? (int)wxCONTROL_SELECTED : 0
1916                                         );
1917                 }
1918             }
1919         }
1920     }
1921
1922 #if wxUSE_DRAG_AND_DROP
1923     if (m_dropHint)
1924     {
1925         wxRect rect( x_start, GetLineStart( m_dropHintLine ),
1926                      x_last - x_start, GetLineHeight( m_dropHintLine ) );
1927         dc.SetPen( *wxBLACK_PEN );
1928         dc.SetBrush( *wxTRANSPARENT_BRUSH );
1929         dc.DrawRectangle( rect );
1930     }
1931 #endif // wxUSE_DRAG_AND_DROP
1932
1933     wxDataViewColumn * const
1934         expander = GetExpanderColumnOrFirstOne(GetOwner());
1935
1936     // redraw all cells for all rows which must be repainted and all columns
1937     wxRect cell_rect;
1938     cell_rect.x = x_start;
1939     for (unsigned int i = col_start; i < col_last; i++)
1940     {
1941         wxDataViewColumn *col = GetOwner()->GetColumnAt( i );
1942         wxDataViewRenderer *cell = col->GetRenderer();
1943         cell_rect.width = col->GetWidth();
1944
1945         if ( col->IsHidden() || cell_rect.width <= 0 )
1946             continue;       // skip it!
1947
1948         for (unsigned int item = item_start; item < item_last; item++)
1949         {
1950             // get the cell value and set it into the renderer
1951             wxDataViewTreeNode *node = NULL;
1952             wxDataViewItem dataitem;
1953
1954             if (!IsVirtualList())
1955             {
1956                 node = GetTreeNodeByRow(item);
1957                 if( node == NULL )
1958                     continue;
1959
1960                 dataitem = node->GetItem();
1961
1962                 // Skip all columns of "container" rows except the expander
1963                 // column itself unless HasContainerColumns() overrides this.
1964                 if ( col != expander &&
1965                         model->IsContainer(dataitem) &&
1966                             !model->HasContainerColumns(dataitem) )
1967                     continue;
1968             }
1969             else
1970             {
1971                 dataitem = wxDataViewItem( wxUIntToPtr(item+1) );
1972             }
1973
1974             cell->PrepareForItem(model, dataitem, col->GetModelColumn());
1975
1976             // update cell_rect
1977             cell_rect.y = GetLineStart( item );
1978             cell_rect.height = GetLineHeight( item );
1979
1980             // draw the background
1981             bool selected = m_selection.Index( item ) != wxNOT_FOUND;
1982             if ( !selected )
1983                 DrawCellBackground( cell, dc, cell_rect );
1984
1985             // deal with the expander
1986             int indent = 0;
1987             if ((!IsList()) && (col == expander))
1988             {
1989                 // Calculate the indent first
1990                 indent = GetOwner()->GetIndent() * node->GetIndentLevel();
1991
1992                 // we reserve m_lineHeight of horizontal space for the expander
1993                 // but leave EXPANDER_MARGIN around the expander itself
1994                 int exp_x = cell_rect.x + indent + EXPANDER_MARGIN;
1995
1996                 indent += m_lineHeight;
1997
1998                 // draw expander if needed and visible
1999                 if ( node->HasChildren() && exp_x < cell_rect.GetRight() )
2000                 {
2001                     dc.SetPen( m_penExpander );
2002                     dc.SetBrush( wxNullBrush );
2003
2004                     int exp_size = m_lineHeight - 2*EXPANDER_MARGIN;
2005                     int exp_y = cell_rect.y + (cell_rect.height - exp_size)/2
2006                                    + EXPANDER_MARGIN - EXPANDER_OFFSET;
2007
2008                     const wxRect rect(exp_x, exp_y, exp_size, exp_size);
2009
2010                     int flag = 0;
2011                     if ( m_underMouse == node )
2012                         flag |= wxCONTROL_CURRENT;
2013                     if ( node->IsOpen() )
2014                         flag |= wxCONTROL_EXPANDED;
2015
2016                     // ensure that we don't overflow the cell (which might
2017                     // happen if the column is very narrow)
2018                     wxDCClipper clip(dc, cell_rect);
2019
2020                     wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);
2021                 }
2022
2023                 // force the expander column to left-center align
2024                 cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
2025             }
2026
2027             wxRect item_rect = cell_rect;
2028             item_rect.Deflate(PADDING_RIGHTLEFT, 0);
2029
2030             // account for the tree indent (harmless if we're not indented)
2031             item_rect.x += indent;
2032             item_rect.width -= indent;
2033
2034             if ( item_rect.width <= 0 )
2035                 continue;
2036
2037             int state = 0;
2038             if (m_hasFocus && selected)
2039                 state |= wxDATAVIEW_CELL_SELECTED;
2040
2041             // TODO: it would be much more efficient to create a clipping
2042             //       region for the entire column being rendered (in the OnPaint
2043             //       of wxDataViewMainWindow) instead of a single clip region for
2044             //       each cell. However it would mean that each renderer should
2045             //       respect the given wxRect's top & bottom coords, eventually
2046             //       violating only the left & right coords - however the user can
2047             //       make its own renderer and thus we cannot be sure of that.
2048             wxDCClipper clip(dc, item_rect);
2049
2050             cell->WXCallRender(item_rect, &dc, state);
2051         }
2052
2053         cell_rect.x += cell_rect.width;
2054     }
2055 }
2056
2057
2058 void wxDataViewMainWindow::DrawCellBackground( wxDataViewRenderer* cell, wxDC& dc, const wxRect& rect )
2059 {
2060     wxRect rectBg( rect );
2061
2062     // don't overlap the horizontal rules
2063     if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
2064     {
2065         rectBg.x++;
2066         rectBg.width--;
2067     }
2068
2069     // don't overlap the vertical rules
2070     if ( m_owner->HasFlag(wxDV_VERT_RULES) )
2071     {
2072         rectBg.y++;
2073         rectBg.height--;
2074     }
2075
2076     cell->RenderBackground(&dc, rectBg);
2077 }
2078
2079 void wxDataViewMainWindow::OnRenameTimer()
2080 {
2081     // We have to call this here because changes may just have
2082     // been made and no screen update taken place.
2083     if ( m_dirty )
2084     {
2085         // TODO: use wxTheApp->SafeYieldFor(NULL, wxEVT_CATEGORY_UI) instead
2086         //       (needs to be tested!)
2087         wxSafeYield();
2088     }
2089
2090     wxDataViewItem item = GetItemByRow( m_currentRow );
2091
2092     StartEditing( item, m_currentCol );
2093 }
2094
2095 void
2096 wxDataViewMainWindow::StartEditing(const wxDataViewItem& item,
2097                                    const wxDataViewColumn* col)
2098 {
2099     wxDataViewRenderer* renderer = col->GetRenderer();
2100     if ( !IsCellEditableInMode(item, col, wxDATAVIEW_CELL_EDITABLE) )
2101         return;
2102
2103     const wxRect itemRect = GetItemRect(item, col);
2104     if ( renderer->StartEditing(item, itemRect) )
2105     {
2106         // Save the renderer to be able to finish/cancel editing it later and
2107         // save the control to be able to detect if we're still editing it.
2108         m_editorRenderer = renderer;
2109         m_editorCtrl = renderer->GetEditorCtrl();
2110     }
2111 }
2112
2113 //-----------------------------------------------------------------------------
2114 // Helper class for do operation on the tree node
2115 //-----------------------------------------------------------------------------
2116 class DoJob
2117 {
2118 public:
2119     DoJob() { }
2120     virtual ~DoJob() { }
2121
2122     // The return value control how the tree-walker tranverse the tree
2123     enum
2124     {
2125         DONE,          // Job done, stop traversing and return
2126         SKIP_SUBTREE,  // Ignore the current node's subtree and continue
2127         CONTINUE       // Job not done, continue
2128     };
2129
2130     virtual int operator() ( wxDataViewTreeNode * node ) = 0;
2131 };
2132
2133 bool Walker( wxDataViewTreeNode * node, DoJob & func )
2134 {
2135     wxCHECK_MSG( node, false, "can't walk NULL node" );
2136
2137     switch( func( node ) )
2138     {
2139         case DoJob::DONE:
2140             return true;
2141         case DoJob::SKIP_SUBTREE:
2142             return false;
2143         case DoJob::CONTINUE:
2144             break;
2145     }
2146
2147     if ( node->HasChildren() )
2148     {
2149         const wxDataViewTreeNodes& nodes = node->GetChildNodes();
2150
2151         for ( wxDataViewTreeNodes::const_iterator i = nodes.begin();
2152               i != nodes.end();
2153               ++i )
2154         {
2155             if ( Walker(*i, func) )
2156                 return true;
2157         }
2158     }
2159
2160     return false;
2161 }
2162
2163 bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
2164 {
2165     if (IsVirtualList())
2166     {
2167         wxDataViewVirtualListModel *list_model =
2168             (wxDataViewVirtualListModel*) GetModel();
2169         m_count = list_model->GetCount();
2170     }
2171     else
2172     {
2173         SortPrepare();
2174
2175         wxDataViewTreeNode *parentNode = FindNode(parent);
2176
2177         if ( !parentNode )
2178             return false;
2179
2180         wxDataViewItemArray modelSiblings;
2181         GetModel()->GetChildren(parent, modelSiblings);
2182         const int modelSiblingsSize = modelSiblings.size();
2183
2184         int posInModel = modelSiblings.Index(item, /*fromEnd=*/true);
2185         wxCHECK_MSG( posInModel != wxNOT_FOUND, false, "adding non-existent item?" );
2186
2187         wxDataViewTreeNode *itemNode = new wxDataViewTreeNode(parentNode, item);
2188         itemNode->SetHasChildren(GetModel()->IsContainer(item));
2189
2190         parentNode->SetHasChildren(true);
2191
2192         const wxDataViewTreeNodes& nodeSiblings = parentNode->GetChildNodes();
2193         const int nodeSiblingsSize = nodeSiblings.size();
2194
2195         int nodePos = 0;
2196
2197         if ( posInModel == modelSiblingsSize - 1 )
2198         {
2199             nodePos = nodeSiblingsSize;
2200         }
2201         else if ( modelSiblingsSize == nodeSiblingsSize + 1 )
2202         {
2203             // This is the simple case when our node tree already matches the
2204             // model and only this one item is missing.
2205             nodePos = posInModel;
2206         }
2207         else
2208         {
2209             // It's possible that a larger discrepancy between the model and
2210             // our realization exists. This can happen e.g. when adding a bunch
2211             // of items to the model and then calling ItemsAdded() just once
2212             // afterwards. In this case, we must find the right position by
2213             // looking at sibling items.
2214
2215             // append to the end if we won't find a better position:
2216             nodePos = nodeSiblingsSize;
2217
2218             for ( int nextItemPos = posInModel + 1;
2219                   nextItemPos < modelSiblingsSize;
2220                   nextItemPos++ )
2221             {
2222                 int nextNodePos = parentNode->FindChildByItem(modelSiblings[nextItemPos]);
2223                 if ( nextNodePos != wxNOT_FOUND )
2224                 {
2225                     nodePos = nextNodePos;
2226                     break;
2227                 }
2228             }
2229         }
2230
2231         parentNode->ChangeSubTreeCount(+1);
2232         parentNode->InsertChild(itemNode, nodePos);
2233
2234         m_count = -1;
2235     }
2236
2237     GetOwner()->InvalidateColBestWidths();
2238     UpdateDisplay();
2239
2240     return true;
2241 }
2242
2243 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
2244                                        const wxDataViewItem& item)
2245 {
2246     if (IsVirtualList())
2247     {
2248         wxDataViewVirtualListModel *list_model =
2249             (wxDataViewVirtualListModel*) GetModel();
2250         m_count = list_model->GetCount();
2251
2252         if ( !m_selection.empty() )
2253         {
2254             const int row = GetRowByItem(item);
2255
2256             int rowIndexInSelection = wxNOT_FOUND;
2257
2258             const size_t selCount = m_selection.size();
2259             for ( size_t i = 0; i < selCount; i++ )
2260             {
2261                 if ( m_selection[i] == (unsigned)row )
2262                     rowIndexInSelection = i;
2263                 else if ( m_selection[i] > (unsigned)row )
2264                     m_selection[i]--;
2265             }
2266
2267             if ( rowIndexInSelection != wxNOT_FOUND )
2268                 m_selection.RemoveAt(rowIndexInSelection);
2269         }
2270
2271     }
2272     else // general case
2273     {
2274         wxDataViewTreeNode *parentNode = FindNode(parent);
2275
2276         // Notice that it is possible that the item being deleted is not in the
2277         // tree at all, for example we could be deleting a never shown (because
2278         // collapsed) item in a tree model. So it's not an error if we don't know
2279         // about this item, just return without doing anything then.
2280         if ( !parentNode )
2281             return true;
2282
2283         wxCHECK_MSG( parentNode->HasChildren(), false, "parent node doesn't have children?" );
2284         const wxDataViewTreeNodes& parentsChildren = parentNode->GetChildNodes();
2285
2286         // We can't use FindNode() to find 'item', because it was already
2287         // removed from the model by the time ItemDeleted() is called, so we
2288         // have to do it manually. We keep track of its position as well for
2289         // later use.
2290         int itemPosInNode = 0;
2291         wxDataViewTreeNode *itemNode = NULL;
2292         for ( wxDataViewTreeNodes::const_iterator i = parentsChildren.begin();
2293               i != parentsChildren.end();
2294               ++i, ++itemPosInNode )
2295         {
2296             if( (*i)->GetItem() == item )
2297             {
2298                 itemNode = *i;
2299                 break;
2300             }
2301         }
2302
2303         // If the parent wasn't expanded, it's possible that we didn't have a
2304         // node corresponding to 'item' and so there's nothing left to do.
2305         if ( !itemNode )
2306         {
2307             // If this was the last child to be removed, it's possible the parent
2308             // node became a leaf. Let's ask the model about it.
2309             if ( parentNode->GetChildNodes().empty() )
2310                 parentNode->SetHasChildren(GetModel()->IsContainer(parent));
2311
2312             return true;
2313         }
2314
2315         // Delete the item from wxDataViewTreeNode representation:
2316         const int itemsDeleted = 1 + itemNode->GetSubTreeCount();
2317
2318         parentNode->RemoveChild(itemNode);
2319         delete itemNode;
2320         parentNode->ChangeSubTreeCount(-itemsDeleted);
2321
2322         // Make the row number invalid and get a new valid one when user call GetRowCount
2323         m_count = -1;
2324
2325         // If this was the last child to be removed, it's possible the parent
2326         // node became a leaf. Let's ask the model about it.
2327         if ( parentNode->GetChildNodes().empty() )
2328             parentNode->SetHasChildren(GetModel()->IsContainer(parent));
2329
2330         // Update selection by removing 'item' and its entire children tree from the selection.
2331         if ( !m_selection.empty() )
2332         {
2333             // we can't call GetRowByItem() on 'item', as it's already deleted, so compute it from
2334             // the parent ('parentNode') and position in its list of children
2335             int itemRow;
2336             if ( itemPosInNode == 0 )
2337             {
2338                 // 1st child, row number is that of the parent parentNode + 1
2339                 itemRow = GetRowByItem(parentNode->GetItem()) + 1;
2340             }
2341             else
2342             {
2343                 // row number is that of the sibling above 'item' + its subtree if any + 1
2344                 const wxDataViewTreeNode *siblingNode = parentNode->GetChildNodes()[itemPosInNode - 1];
2345
2346                 itemRow = GetRowByItem(siblingNode->GetItem()) +
2347                           siblingNode->GetSubTreeCount() +
2348                           1;
2349             }
2350
2351             wxDataViewSelection newsel(wxDataViewSelectionCmp);
2352
2353             const size_t numSelections = m_selection.size();
2354             for ( size_t i = 0; i < numSelections; ++i )
2355             {
2356                 const int s = m_selection[i];
2357                 if ( s < itemRow )
2358                     newsel.push_back(s);
2359                 else if ( s >= itemRow + itemsDeleted )
2360                     newsel.push_back(s - itemsDeleted);
2361                 // else: deleted item, remove from selection
2362             }
2363
2364             m_selection = newsel;
2365         }
2366     }
2367
2368     // Change the current row to the last row if the current exceed the max row number
2369     if( m_currentRow > GetRowCount() )
2370         ChangeCurrentRow(m_count - 1);
2371
2372     GetOwner()->InvalidateColBestWidths();
2373     UpdateDisplay();
2374
2375     return true;
2376 }
2377
2378 bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
2379 {
2380     SortPrepare();
2381     g_model->Resort();
2382
2383     GetOwner()->InvalidateColBestWidths();
2384
2385     // Send event
2386     wxWindow *parent = GetParent();
2387     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2388     le.SetEventObject(parent);
2389     le.SetModel(GetModel());
2390     le.SetItem(item);
2391     parent->ProcessWindowEvent(le);
2392
2393     return true;
2394 }
2395
2396 bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int model_column )
2397 {
2398     int view_column = -1;
2399     unsigned int n_col = m_owner->GetColumnCount();
2400     for (unsigned i = 0; i < n_col; i++)
2401     {
2402         wxDataViewColumn *column = m_owner->GetColumn( i );
2403         if (column->GetModelColumn() == model_column)
2404         {
2405             view_column = (int) i;
2406             break;
2407         }
2408     }
2409     if (view_column == -1)
2410         return false;
2411
2412     // NOTE: to be valid, we cannot use e.g. INT_MAX - 1
2413 /*#define MAX_VIRTUAL_WIDTH       100000
2414
2415     wxRect rect( 0, row*m_lineHeight, MAX_VIRTUAL_WIDTH, m_lineHeight );
2416     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2417     Refresh( true, &rect );
2418
2419     return true;
2420 */
2421     SortPrepare();
2422     g_model->Resort();
2423
2424     GetOwner()->InvalidateColBestWidth(view_column);
2425
2426     // Send event
2427     wxWindow *parent = GetParent();
2428     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2429     le.SetEventObject(parent);
2430     le.SetModel(GetModel());
2431     le.SetItem(item);
2432     le.SetColumn(view_column);
2433     le.SetDataViewColumn(GetOwner()->GetColumn(view_column));
2434     parent->ProcessWindowEvent(le);
2435
2436     return true;
2437 }
2438
2439 bool wxDataViewMainWindow::Cleared()
2440 {
2441     DestroyTree();
2442     m_selection.Clear();
2443
2444     SortPrepare();
2445     BuildTree( GetModel() );
2446
2447     GetOwner()->InvalidateColBestWidths();
2448     UpdateDisplay();
2449
2450     return true;
2451 }
2452
2453 void wxDataViewMainWindow::UpdateDisplay()
2454 {
2455     m_dirty = true;
2456     m_underMouse = NULL;
2457 }
2458
2459 void wxDataViewMainWindow::OnInternalIdle()
2460 {
2461     wxWindow::OnInternalIdle();
2462
2463     if (m_dirty)
2464     {
2465         RecalculateDisplay();
2466         m_dirty = false;
2467     }
2468 }
2469
2470 void wxDataViewMainWindow::RecalculateDisplay()
2471 {
2472     wxDataViewModel *model = GetModel();
2473     if (!model)
2474     {
2475         Refresh();
2476         return;
2477     }
2478
2479     int width = GetEndOfLastCol();
2480     int height = GetLineStart( GetRowCount() );
2481
2482     SetVirtualSize( width, height );
2483     GetOwner()->SetScrollRate( 10, m_lineHeight );
2484
2485     Refresh();
2486 }
2487
2488 void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
2489 {
2490     m_underMouse = NULL;
2491
2492     wxWindow::ScrollWindow( dx, dy, rect );
2493
2494     if (GetOwner()->m_headerArea)
2495         GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
2496 }
2497
2498 void wxDataViewMainWindow::ScrollTo( int rows, int column )
2499 {
2500     m_underMouse = NULL;
2501
2502     int x, y;
2503     m_owner->GetScrollPixelsPerUnit( &x, &y );
2504     int sy = GetLineStart( rows )/y;
2505     int sx = -1;
2506     if( column != -1 )
2507     {
2508         wxRect rect = GetClientRect();
2509         int colnum = 0;
2510         int x_start, w = 0;
2511         int xx, yy, xe;
2512         m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy );
2513         for (x_start = 0; colnum < column; colnum++)
2514         {
2515             wxDataViewColumn *col = GetOwner()->GetColumnAt(colnum);
2516             if (col->IsHidden())
2517                 continue;      // skip it!
2518
2519             w = col->GetWidth();
2520             x_start += w;
2521         }
2522
2523         int x_end = x_start + w;
2524         xe = xx + rect.width;
2525         if( x_end > xe )
2526         {
2527             sx = ( xx + x_end - xe )/x;
2528         }
2529         if( x_start < xx )
2530         {
2531             sx = x_start/x;
2532         }
2533     }
2534     m_owner->Scroll( sx, sy );
2535 }
2536
2537 int wxDataViewMainWindow::GetCountPerPage() const
2538 {
2539     wxSize size = GetClientSize();
2540     return size.y / m_lineHeight;
2541 }
2542
2543 int wxDataViewMainWindow::GetEndOfLastCol() const
2544 {
2545     int width = 0;
2546     unsigned int i;
2547     for (i = 0; i < GetOwner()->GetColumnCount(); i++)
2548     {
2549         const wxDataViewColumn *c =
2550             const_cast<wxDataViewCtrl*>(GetOwner())->GetColumnAt( i );
2551
2552         if (!c->IsHidden())
2553             width += c->GetWidth();
2554     }
2555     return width;
2556 }
2557
2558 unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
2559 {
2560     int x = 0;
2561     int y = 0;
2562     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
2563
2564     return GetLineAt( y );
2565 }
2566
2567 unsigned int wxDataViewMainWindow::GetLastVisibleRow()
2568 {
2569     wxSize client_size = GetClientSize();
2570     m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
2571                                     &client_size.x, &client_size.y );
2572
2573     // we should deal with the pixel here
2574     unsigned int row = GetLineAt(client_size.y) - 1;
2575
2576     return wxMin( GetRowCount()-1, row );
2577 }
2578
2579 unsigned int wxDataViewMainWindow::GetRowCount()
2580 {
2581     if ( m_count == -1 )
2582     {
2583         m_count = RecalculateCount();
2584         UpdateDisplay();
2585     }
2586     return m_count;
2587 }
2588
2589 void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
2590 {
2591     m_currentRow = row;
2592
2593     // send event
2594 }
2595
2596 void wxDataViewMainWindow::SelectAllRows( bool on )
2597 {
2598     if (IsEmpty())
2599         return;
2600
2601     if (on)
2602     {
2603         m_selection.Clear();
2604         for (unsigned int i = 0; i < GetRowCount(); i++)
2605             m_selection.Add( i );
2606         Refresh();
2607     }
2608     else
2609     {
2610         unsigned int first_visible = GetFirstVisibleRow();
2611         unsigned int last_visible = GetLastVisibleRow();
2612         unsigned int i;
2613         for (i = 0; i < m_selection.GetCount(); i++)
2614         {
2615             unsigned int row = m_selection[i];
2616             if ((row >= first_visible) && (row <= last_visible))
2617                 RefreshRow( row );
2618         }
2619         m_selection.Clear();
2620     }
2621 }
2622
2623 void wxDataViewMainWindow::SelectRow( unsigned int row, bool on )
2624 {
2625     if (m_selection.Index( row ) == wxNOT_FOUND)
2626     {
2627         if (on)
2628         {
2629             m_selection.Add( row );
2630             RefreshRow( row );
2631         }
2632     }
2633     else
2634     {
2635         if (!on)
2636         {
2637             m_selection.Remove( row );
2638             RefreshRow( row );
2639         }
2640     }
2641 }
2642
2643 void wxDataViewMainWindow::SelectRows( unsigned int from, unsigned int to, bool on )
2644 {
2645     if (from > to)
2646     {
2647         unsigned int tmp = from;
2648         from = to;
2649         to = tmp;
2650     }
2651
2652     unsigned int i;
2653     for (i = from; i <= to; i++)
2654     {
2655         if (m_selection.Index( i ) == wxNOT_FOUND)
2656         {
2657             if (on)
2658                 m_selection.Add( i );
2659         }
2660         else
2661         {
2662             if (!on)
2663                 m_selection.Remove( i );
2664         }
2665     }
2666     RefreshRows( from, to );
2667 }
2668
2669 void wxDataViewMainWindow::Select( const wxArrayInt& aSelections )
2670 {
2671     for (size_t i=0; i < aSelections.GetCount(); i++)
2672     {
2673         int n = aSelections[i];
2674
2675         m_selection.Add( n );
2676         RefreshRow( n );
2677     }
2678 }
2679
2680 void wxDataViewMainWindow::ReverseRowSelection( unsigned int row )
2681 {
2682     if (m_selection.Index( row ) == wxNOT_FOUND)
2683         m_selection.Add( row );
2684     else
2685         m_selection.Remove( row );
2686     RefreshRow( row );
2687 }
2688
2689 bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
2690 {
2691     return (m_selection.Index( row ) != wxNOT_FOUND);
2692 }
2693
2694 void wxDataViewMainWindow::SendSelectionChangedEvent( const wxDataViewItem& item)
2695 {
2696     wxWindow *parent = GetParent();
2697     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, parent->GetId());
2698
2699     le.SetEventObject(parent);
2700     le.SetModel(GetModel());
2701     le.SetItem( item );
2702
2703     parent->ProcessWindowEvent(le);
2704 }
2705
2706 void wxDataViewMainWindow::RefreshRow( unsigned int row )
2707 {
2708     wxRect rect( 0, GetLineStart( row ), GetEndOfLastCol(), GetLineHeight( row ) );
2709     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2710
2711     wxSize client_size = GetClientSize();
2712     wxRect client_rect( 0, 0, client_size.x, client_size.y );
2713     wxRect intersect_rect = client_rect.Intersect( rect );
2714     if (intersect_rect.width > 0)
2715         Refresh( true, &intersect_rect );
2716 }
2717
2718 void wxDataViewMainWindow::RefreshRows( unsigned int from, unsigned int to )
2719 {
2720     if (from > to)
2721     {
2722         unsigned int tmp = to;
2723         to = from;
2724         from = tmp;
2725     }
2726
2727     wxRect rect( 0, GetLineStart( from ), GetEndOfLastCol(), GetLineStart( (to-from+1) ) );
2728     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2729
2730     wxSize client_size = GetClientSize();
2731     wxRect client_rect( 0, 0, client_size.x, client_size.y );
2732     wxRect intersect_rect = client_rect.Intersect( rect );
2733     if (intersect_rect.width > 0)
2734         Refresh( true, &intersect_rect );
2735 }
2736
2737 void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
2738 {
2739     wxSize client_size = GetClientSize();
2740     int start = GetLineStart( firstRow );
2741     m_owner->CalcScrolledPosition( start, 0, &start, NULL );
2742     if (start > client_size.y) return;
2743
2744     wxRect rect( 0, start, client_size.x, client_size.y - start );
2745
2746     Refresh( true, &rect );
2747 }
2748
2749 wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
2750 {
2751     wxRect rect;
2752     rect.x = 0;
2753     rect.y = GetLineStart( row );
2754     rect.width = GetEndOfLastCol();
2755     rect.height = GetLineHeight( row );
2756
2757     return rect;
2758 }
2759
2760 int wxDataViewMainWindow::GetLineStart( unsigned int row ) const
2761 {
2762     const wxDataViewModel *model = GetModel();
2763
2764     if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2765     {
2766         // TODO make more efficient
2767
2768         int start = 0;
2769
2770         unsigned int r;
2771         for (r = 0; r < row; r++)
2772         {
2773             const wxDataViewTreeNode* node = GetTreeNodeByRow(r);
2774             if (!node) return start;
2775
2776             wxDataViewItem item = node->GetItem();
2777
2778             unsigned int cols = GetOwner()->GetColumnCount();
2779             unsigned int col;
2780             int height = m_lineHeight;
2781             for (col = 0; col < cols; col++)
2782             {
2783                 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2784                 if (column->IsHidden())
2785                     continue;      // skip it!
2786
2787                 if ((col != 0) &&
2788                     model->IsContainer(item) &&
2789                     !model->HasContainerColumns(item))
2790                     continue;      // skip it!
2791
2792                 wxDataViewRenderer *renderer =
2793                     const_cast<wxDataViewRenderer*>(column->GetRenderer());
2794                 renderer->PrepareForItem(model, item, column->GetModelColumn());
2795
2796                 height = wxMax( height, renderer->GetSize().y );
2797             }
2798
2799             start += height;
2800         }
2801
2802         return start;
2803     }
2804     else
2805     {
2806         return row * m_lineHeight;
2807     }
2808 }
2809
2810 int wxDataViewMainWindow::GetLineAt( unsigned int y ) const
2811 {
2812     const wxDataViewModel *model = GetModel();
2813
2814     // check for the easy case first
2815     if ( !GetOwner()->HasFlag(wxDV_VARIABLE_LINE_HEIGHT) )
2816         return y / m_lineHeight;
2817
2818     // TODO make more efficient
2819     unsigned int row = 0;
2820     unsigned int yy = 0;
2821     for (;;)
2822     {
2823         const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2824         if (!node)
2825         {
2826             // not really correct...
2827             return row + ((y-yy) / m_lineHeight);
2828         }
2829
2830         wxDataViewItem item = node->GetItem();
2831
2832         unsigned int cols = GetOwner()->GetColumnCount();
2833         unsigned int col;
2834         int height = m_lineHeight;
2835         for (col = 0; col < cols; col++)
2836         {
2837             const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2838             if (column->IsHidden())
2839                 continue;      // skip it!
2840
2841             if ((col != 0) &&
2842                 model->IsContainer(item) &&
2843                 !model->HasContainerColumns(item))
2844                 continue;      // skip it!
2845
2846             wxDataViewRenderer *renderer =
2847                 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2848             renderer->PrepareForItem(model, item, column->GetModelColumn());
2849
2850             height = wxMax( height, renderer->GetSize().y );
2851         }
2852
2853         yy += height;
2854         if (y < yy)
2855             return row;
2856
2857         row++;
2858     }
2859 }
2860
2861 int wxDataViewMainWindow::GetLineHeight( unsigned int row ) const
2862 {
2863     const wxDataViewModel *model = GetModel();
2864
2865     if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2866     {
2867         wxASSERT( !IsVirtualList() );
2868
2869         const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2870         // wxASSERT( node );
2871         if (!node) return m_lineHeight;
2872
2873         wxDataViewItem item = node->GetItem();
2874
2875         int height = m_lineHeight;
2876
2877         unsigned int cols = GetOwner()->GetColumnCount();
2878         unsigned int col;
2879         for (col = 0; col < cols; col++)
2880         {
2881             const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2882             if (column->IsHidden())
2883                 continue;      // skip it!
2884
2885             if ((col != 0) &&
2886                 model->IsContainer(item) &&
2887                 !model->HasContainerColumns(item))
2888                 continue;      // skip it!
2889
2890             wxDataViewRenderer *renderer =
2891                 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2892             renderer->PrepareForItem(model, item, column->GetModelColumn());
2893
2894             height = wxMax( height, renderer->GetSize().y );
2895         }
2896
2897         return height;
2898     }
2899     else
2900     {
2901         return m_lineHeight;
2902     }
2903 }
2904
2905
2906 class RowToTreeNodeJob: public DoJob
2907 {
2908 public:
2909     RowToTreeNodeJob( unsigned int row , int current, wxDataViewTreeNode * node )
2910     {
2911         this->row = row;
2912         this->current = current;
2913         ret = NULL;
2914         parent = node;
2915     }
2916
2917     virtual int operator() ( wxDataViewTreeNode * node )
2918     {
2919         current ++;
2920         if( current == static_cast<int>(row))
2921         {
2922             ret = node;
2923             return DoJob::DONE;
2924         }
2925
2926         if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2927         {
2928             current += node->GetSubTreeCount();
2929             return  DoJob::SKIP_SUBTREE;
2930         }
2931         else
2932         {
2933             parent = node;
2934
2935             // If the current node has only leaf children, we can find the
2936             // desired node directly. This can speed up finding the node
2937             // in some cases, and will have a very good effect for list views.
2938             if ( node->HasChildren() &&
2939                  (int)node->GetChildNodes().size() == node->GetSubTreeCount() )
2940             {
2941                 const int index = static_cast<int>(row) - current - 1;
2942                 ret = node->GetChildNodes()[index];
2943                 return DoJob::DONE;
2944             }
2945
2946             return DoJob::CONTINUE;
2947         }
2948     }
2949
2950     wxDataViewTreeNode * GetResult() const
2951         { return ret; }
2952
2953 private:
2954     unsigned int row;
2955     int current;
2956     wxDataViewTreeNode * ret;
2957     wxDataViewTreeNode * parent;
2958 };
2959
2960 wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row) const
2961 {
2962     wxASSERT( !IsVirtualList() );
2963
2964     RowToTreeNodeJob job( row , -2, m_root );
2965     Walker( m_root , job );
2966     return job.GetResult();
2967 }
2968
2969 wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
2970 {
2971     if (IsVirtualList())
2972     {
2973         return wxDataViewItem( wxUIntToPtr(row+1) );
2974     }
2975     else
2976     {
2977         wxDataViewTreeNode *node = GetTreeNodeByRow(row);
2978         return node ? node->GetItem() : wxDataViewItem();
2979     }
2980 }
2981
2982 bool
2983 wxDataViewMainWindow::SendExpanderEvent(wxEventType type,
2984                                         const wxDataViewItem& item)
2985 {
2986     wxWindow *parent = GetParent();
2987     wxDataViewEvent le(type, parent->GetId());
2988
2989     le.SetEventObject(parent);
2990     le.SetModel(GetModel());
2991     le.SetItem( item );
2992
2993     return !parent->ProcessWindowEvent(le) || le.IsAllowed();
2994 }
2995
2996 bool wxDataViewMainWindow::IsExpanded( unsigned int row ) const
2997 {
2998     if (IsList())
2999         return false;
3000
3001     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
3002     if (!node)
3003         return false;
3004
3005     if (!node->HasChildren())
3006         return false;
3007
3008     return node->IsOpen();
3009 }
3010
3011 bool wxDataViewMainWindow::HasChildren( unsigned int row ) const
3012 {
3013     if (IsList())
3014         return false;
3015
3016     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
3017     if (!node)
3018         return false;
3019
3020     if (!node->HasChildren())
3021         return false;
3022
3023     return true;
3024 }
3025
3026 void wxDataViewMainWindow::Expand( unsigned int row )
3027 {
3028     if (IsList())
3029         return;
3030
3031     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
3032     if (!node)
3033         return;
3034
3035     if (!node->HasChildren())
3036         return;
3037
3038             if (!node->IsOpen())
3039             {
3040                 if ( !SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, node->GetItem()) )
3041                 {
3042                     // Vetoed by the event handler.
3043                     return;
3044                 }
3045
3046                 node->ToggleOpen();
3047
3048                 // build the children of current node
3049                 if( node->GetChildNodes().empty() )
3050                 {
3051                     SortPrepare();
3052                     ::BuildTreeHelper(GetModel(), node->GetItem(), node);
3053                 }
3054
3055                 // By expanding the node all row indices that are currently in the selection list
3056                 // and are greater than our node have become invalid. So we have to correct that now.
3057                 const unsigned rowAdjustment = node->GetSubTreeCount();
3058                 for(unsigned i=0; i<m_selection.size(); ++i)
3059                 {
3060                     const unsigned testRow = m_selection[i];
3061                     // all rows above us are not affected, so skip them
3062                     if(testRow <= row)
3063                         continue;
3064
3065                     m_selection[i] += rowAdjustment;
3066                 }
3067
3068                 if(m_currentRow > row)
3069                     ChangeCurrentRow(m_currentRow + rowAdjustment);
3070
3071                 m_count = -1;
3072                 UpdateDisplay();
3073                 // Send the expanded event
3074                 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
3075             }
3076 }
3077
3078 void wxDataViewMainWindow::Collapse(unsigned int row)
3079 {
3080     if (IsList())
3081         return;
3082
3083     wxDataViewTreeNode *node = GetTreeNodeByRow(row);
3084     if (!node)
3085         return;
3086
3087     if (!node->HasChildren())
3088         return;
3089
3090         if (node->IsOpen())
3091         {
3092             if ( !SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem()) )
3093             {
3094                 // Vetoed by the event handler.
3095                 return;
3096             }
3097
3098             // Find out if there are selected items below the current node.
3099             bool selectCollapsingRow = false;
3100             const unsigned rowAdjustment = node->GetSubTreeCount();
3101             unsigned maxRowToBeTested = row + rowAdjustment;
3102             for(unsigned i=0; i<m_selection.size(); ++i)
3103             {
3104                 const unsigned testRow = m_selection[i];
3105                 if(testRow > row && testRow <= maxRowToBeTested)
3106                 {
3107                     selectCollapsingRow = true;
3108                     // get out as soon as we have found a node that is selected
3109                     break;
3110                 }
3111             }
3112
3113             node->ToggleOpen();
3114
3115             // If the node to be closed has selected items the user won't see those any longer.
3116             // We select the collapsing node in this case.
3117             if(selectCollapsingRow)
3118             {
3119                 SelectAllRows(false);
3120                 ChangeCurrentRow(row);
3121                 SelectRow(row, true);
3122                 SendSelectionChangedEvent(GetItemByRow(row));
3123             }
3124             else
3125             {
3126                 // if there were no selected items below our node we still need to "fix" the
3127                 // selection list to adjust for the changing of the row indices.
3128                 // We actually do the opposite of what we are doing in Expand().
3129                 for(unsigned i=0; i<m_selection.size(); ++i)
3130                 {
3131                     const unsigned testRow = m_selection[i];
3132                     // all rows above us are not affected, so skip them
3133                     if(testRow <= row)
3134                         continue;
3135
3136                     m_selection[i] -= rowAdjustment;
3137                 }
3138
3139                 // if the "current row" is being collapsed away we change it to the current row ;-)
3140                 if(m_currentRow > row && m_currentRow <= maxRowToBeTested)
3141                     ChangeCurrentRow(row);
3142                 else if(m_currentRow > row)
3143                     ChangeCurrentRow(m_currentRow - rowAdjustment);
3144             }
3145
3146             m_count = -1;
3147             UpdateDisplay();
3148             SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,node->GetItem());
3149         }
3150 }
3151
3152 wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
3153 {
3154     const wxDataViewModel * model = GetModel();
3155     if( model == NULL )
3156         return NULL;
3157
3158     if (!item.IsOk())
3159         return m_root;
3160
3161     // Compose the parent-chain for the item we are looking for
3162     wxVector<wxDataViewItem> parentChain;
3163     wxDataViewItem it( item );
3164     while( it.IsOk() )
3165     {
3166         parentChain.push_back(it);
3167         it = model->GetParent(it);
3168     }
3169
3170     // Find the item along the parent-chain.
3171     // This algorithm is designed to speed up the node-finding method
3172     wxDataViewTreeNode* node = m_root;
3173     for( unsigned iter = parentChain.size()-1; ; --iter )
3174     {
3175         if( node->HasChildren() )
3176         {
3177             if( node->GetChildNodes().empty() )
3178             {
3179                 // Even though the item is a container, it doesn't have any
3180                 // child nodes in the control's representation yet. We have
3181                 // to realize its subtree now.
3182                 SortPrepare();
3183                 ::BuildTreeHelper(model, node->GetItem(), node);
3184             }
3185
3186             const wxDataViewTreeNodes& nodes = node->GetChildNodes();
3187             bool found = false;
3188
3189             for (unsigned i = 0; i < nodes.GetCount(); ++i)
3190             {
3191                 wxDataViewTreeNode* currentNode = nodes[i];
3192                 if (currentNode->GetItem() == parentChain[iter])
3193                 {
3194                     if (currentNode->GetItem() == item)
3195                         return currentNode;
3196
3197                     node = currentNode;
3198                     found = true;
3199                     break;
3200                 }
3201             }
3202             if (!found)
3203                 return NULL;
3204         }
3205         else
3206             return NULL;
3207
3208         if ( !iter )
3209             break;
3210     }
3211     return NULL;
3212 }
3213
3214 void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item,
3215                                     wxDataViewColumn* &column )
3216 {
3217     wxDataViewColumn *col = NULL;
3218     unsigned int cols = GetOwner()->GetColumnCount();
3219     unsigned int colnum = 0;
3220     int x, y;
3221     m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y );
3222     for (unsigned x_start = 0; colnum < cols; colnum++)
3223     {
3224         col = GetOwner()->GetColumnAt(colnum);
3225         if (col->IsHidden())
3226             continue;      // skip it!
3227
3228         unsigned int w = col->GetWidth();
3229         if (x_start+w >= (unsigned int)x)
3230             break;
3231
3232         x_start += w;
3233     }
3234
3235     column = col;
3236     item = GetItemByRow( GetLineAt( y ) );
3237 }
3238
3239 wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item,
3240                                           const wxDataViewColumn* column )
3241 {
3242     int xpos = 0;
3243     int width = 0;
3244
3245     unsigned int cols = GetOwner()->GetColumnCount();
3246     // If column is null the loop will compute the combined width of all columns.
3247     // Otherwise, it will compute the x position of the column we are looking for.
3248     for (unsigned int i = 0; i < cols; i++)
3249     {
3250         wxDataViewColumn* col = GetOwner()->GetColumnAt( i );
3251
3252         if (col == column)
3253             break;
3254
3255         if (col->IsHidden())
3256             continue;      // skip it!
3257
3258         xpos += col->GetWidth();
3259         width += col->GetWidth();
3260     }
3261
3262     if(column != 0)
3263     {
3264         // If we have a column, we need can get its width directly.
3265         if(column->IsHidden())
3266             width = 0;
3267         else
3268             width = column->GetWidth();
3269
3270     }
3271     else
3272     {
3273         // If we have no column, we reset the x position back to zero.
3274         xpos = 0;
3275     }
3276
3277     // we have to take an expander column into account and compute its indentation
3278     // to get the correct x position where the actual text is
3279     int indent = 0;
3280     int row = GetRowByItem(item);
3281     if (!IsList() &&
3282             (column == 0 || GetExpanderColumnOrFirstOne(GetOwner()) == column) )
3283     {
3284         wxDataViewTreeNode* node = GetTreeNodeByRow(row);
3285         indent = GetOwner()->GetIndent() * node->GetIndentLevel();
3286         indent = indent + m_lineHeight; // use m_lineHeight as the width of the expander
3287     }
3288
3289     wxRect itemRect( xpos + indent,
3290                      GetLineStart( row ),
3291                      width - indent,
3292                      GetLineHeight( row ) );
3293
3294     GetOwner()->CalcScrolledPosition(  itemRect.x,  itemRect.y,
3295                                       &itemRect.x, &itemRect.y );
3296
3297     return itemRect;
3298 }
3299
3300 int wxDataViewMainWindow::RecalculateCount()
3301 {
3302     if (IsVirtualList())
3303     {
3304         wxDataViewVirtualListModel *list_model =
3305             (wxDataViewVirtualListModel*) GetModel();
3306
3307         return list_model->GetCount();
3308     }
3309     else
3310     {
3311         return m_root->GetSubTreeCount();
3312     }
3313 }
3314
3315 class ItemToRowJob : public DoJob
3316 {
3317 public:
3318     ItemToRowJob(const wxDataViewItem& item_, wxVector<wxDataViewItem>::reverse_iterator iter)
3319         : m_iter(iter),
3320         item(item_)
3321     {
3322         ret = -1;
3323     }
3324
3325     // Maybe binary search will help to speed up this process
3326     virtual int operator() ( wxDataViewTreeNode * node)
3327     {
3328         ret ++;
3329         if( node->GetItem() == item )
3330         {
3331             return DoJob::DONE;
3332         }
3333
3334         if( node->GetItem() == *m_iter )
3335         {
3336             m_iter++;
3337             return DoJob::CONTINUE;
3338         }
3339         else
3340         {
3341             ret += node->GetSubTreeCount();
3342             return DoJob::SKIP_SUBTREE;
3343         }
3344
3345     }
3346
3347     // the row number is begin from zero
3348     int GetResult() const
3349         { return ret -1; }
3350
3351 private:
3352     wxVector<wxDataViewItem>::reverse_iterator m_iter;
3353     wxDataViewItem item;
3354     int ret;
3355
3356 };
3357
3358 int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item) const
3359 {
3360     const wxDataViewModel * model = GetModel();
3361     if( model == NULL )
3362         return -1;
3363
3364     if (IsVirtualList())
3365     {
3366         return wxPtrToUInt( item.GetID() ) -1;
3367     }
3368     else
3369     {
3370         if( !item.IsOk() )
3371             return -1;
3372
3373         // Compose the parent-chain of the item we are looking for
3374         wxVector<wxDataViewItem> parentChain;
3375         wxDataViewItem it( item );
3376         while( it.IsOk() )
3377         {
3378             parentChain.push_back(it);
3379             it = model->GetParent(it);
3380         }
3381
3382         // add an 'invalid' item to represent our 'invisible' root node
3383         parentChain.push_back(wxDataViewItem());
3384
3385         // the parent chain was created by adding the deepest parent first.
3386         // so if we want to start at the root node, we have to iterate backwards through the vector
3387         ItemToRowJob job( item, parentChain.rbegin() );
3388         Walker( m_root, job );
3389         return job.GetResult();
3390     }
3391 }
3392
3393 static void BuildTreeHelper( const wxDataViewModel * model,  const wxDataViewItem & item,
3394                              wxDataViewTreeNode * node)
3395 {
3396     if( !model->IsContainer( item ) )
3397         return;
3398
3399     wxDataViewItemArray children;
3400     unsigned int num = model->GetChildren( item, children);
3401
3402     for ( unsigned int index = 0; index < num; index++ )
3403     {
3404         wxDataViewTreeNode *n = new wxDataViewTreeNode(node, children[index]);
3405
3406         if( model->IsContainer(children[index]) )
3407             n->SetHasChildren( true );
3408
3409         node->InsertChild(n, index);
3410     }
3411
3412     wxASSERT( node->IsOpen() );
3413     node->ChangeSubTreeCount(+num);
3414 }
3415
3416 void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
3417 {
3418     DestroyTree();
3419
3420     if (GetModel()->IsVirtualListModel())
3421     {
3422         m_count = -1;
3423         return;
3424     }
3425
3426     m_root = wxDataViewTreeNode::CreateRootNode();
3427
3428     // First we define a invalid item to fetch the top-level elements
3429     wxDataViewItem item;
3430     SortPrepare();
3431     BuildTreeHelper( model, item, m_root);
3432     m_count = -1;
3433 }
3434
3435 void wxDataViewMainWindow::DestroyTree()
3436 {
3437     if (!IsVirtualList())
3438     {
3439         wxDELETE(m_root);
3440         m_count = 0;
3441     }
3442 }
3443
3444 wxDataViewColumn*
3445 wxDataViewMainWindow::FindColumnForEditing(const wxDataViewItem& item, wxDataViewCellMode mode)
3446 {
3447     // Edit the current column editable in 'mode'. If no column is focused
3448     // (typically because the user has full row selected), try to find the
3449     // first editable column (this would typically be a checkbox for
3450     // wxDATAVIEW_CELL_ACTIVATABLE and we don't want to force the user to set
3451     // focus on the checkbox column; or on the only editable text column).
3452
3453     wxDataViewColumn *candidate = m_currentCol;
3454
3455     if ( candidate &&
3456          !IsCellEditableInMode(item, candidate, mode) &&
3457          !m_currentColSetByKeyboard )
3458     {
3459         // If current column was set by mouse to something not editable (in
3460         // 'mode') and the user pressed Space/F2 to edit it, treat the
3461         // situation as if there was whole-row focus, because that's what is
3462         // visually indicated and the mouse click could very well be targeted
3463         // on the row rather than on an individual cell.
3464         //
3465         // But if it was done by keyboard, respect that even if the column
3466         // isn't editable, because focus is visually on that column and editing
3467         // something else would be surprising.
3468         candidate = NULL;
3469     }
3470
3471     if ( !candidate )
3472     {
3473         const unsigned cols = GetOwner()->GetColumnCount();
3474         for ( unsigned i = 0; i < cols; i++ )
3475         {
3476             wxDataViewColumn *c = GetOwner()->GetColumnAt(i);
3477             if ( c->IsHidden() )
3478                 continue;
3479
3480             if ( IsCellEditableInMode(item, c, mode) )
3481             {
3482                 candidate = c;
3483                 break;
3484             }
3485         }
3486     }
3487
3488     // If on container item without columns, only the expander column
3489     // may be directly editable:
3490     if ( candidate &&
3491          GetOwner()->GetExpanderColumn() != candidate &&
3492          GetModel()->IsContainer(item) &&
3493          !GetModel()->HasContainerColumns(item) )
3494     {
3495         candidate = GetOwner()->GetExpanderColumn();
3496     }
3497
3498     if ( !candidate )
3499        return NULL;
3500
3501    if ( !IsCellEditableInMode(item, candidate, mode) )
3502        return NULL;
3503
3504    return candidate;
3505 }
3506
3507 bool wxDataViewMainWindow::IsCellEditableInMode(const wxDataViewItem& item,
3508                                                 const wxDataViewColumn *col,
3509                                                 wxDataViewCellMode mode) const
3510 {
3511     if ( col->GetRenderer()->GetMode() != mode )
3512         return false;
3513
3514     if ( !GetModel()->IsEnabled(item, col->GetModelColumn()) )
3515         return false;
3516
3517     return true;
3518 }
3519
3520 void wxDataViewMainWindow::OnCharHook(wxKeyEvent& event)
3521 {
3522     if ( m_editorCtrl )
3523     {
3524         // Handle any keys special for the in-place editor and return without
3525         // calling Skip() below.
3526         switch ( event.GetKeyCode() )
3527         {
3528             case WXK_ESCAPE:
3529                 m_editorRenderer->CancelEditing();
3530                 return;
3531
3532             case WXK_RETURN:
3533                 m_editorRenderer->FinishEditing();
3534                 return;
3535         }
3536     }
3537
3538     event.Skip();
3539 }
3540
3541 void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
3542 {
3543     wxWindow * const parent = GetParent();
3544
3545     // propagate the char event upwards
3546     wxKeyEvent eventForParent(event);
3547     eventForParent.SetEventObject(parent);
3548     if ( parent->ProcessWindowEvent(eventForParent) )
3549         return;
3550
3551     if ( parent->HandleAsNavigationKey(event) )
3552         return;
3553
3554     // no item -> nothing to do
3555     if (!HasCurrentRow())
3556     {
3557         event.Skip();
3558         return;
3559     }
3560
3561     // don't use m_linesPerPage directly as it might not be computed yet
3562     const int pageSize = GetCountPerPage();
3563     wxCHECK_RET( pageSize, wxT("should have non zero page size") );
3564
3565     switch ( event.GetKeyCode() )
3566     {
3567         case WXK_RETURN:
3568             if ( event.HasModifiers() )
3569             {
3570                 event.Skip();
3571                 break;
3572             }
3573             else
3574             {
3575                 // Enter activates the item, i.e. sends wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED to
3576                 // it. Only if that event is not handled do we activate column renderer (which
3577                 // is normally done by Space) or even inline editing.
3578
3579                 const wxDataViewItem item = GetItemByRow(m_currentRow);
3580
3581                 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED,
3582                                    parent->GetId());
3583                 le.SetItem(item);
3584                 le.SetEventObject(parent);
3585                 le.SetModel(GetModel());
3586
3587                 if ( parent->ProcessWindowEvent(le) )
3588                     break;
3589                 // else: fall through to WXK_SPACE handling
3590             }
3591
3592         case WXK_SPACE:
3593             if ( event.HasModifiers() )
3594             {
3595                 event.Skip();
3596                 break;
3597             }
3598             else
3599             {
3600                 // Space toggles activatable items or -- if not activatable --
3601                 // starts inline editing (this is normally done using F2 on
3602                 // Windows, but Space is common everywhere else, so use it too
3603                 // for greater cross-platform compatibility).
3604
3605                 const wxDataViewItem item = GetItemByRow(m_currentRow);
3606
3607                 // Activate the current activatable column. If not column is focused (typically
3608                 // because the user has full row selected), try to find the first activatable
3609                 // column (this would typically be a checkbox and we don't want to force the user
3610                 // to set focus on the checkbox column).
3611                 wxDataViewColumn *activatableCol = FindColumnForEditing(item, wxDATAVIEW_CELL_ACTIVATABLE);
3612
3613                 if ( activatableCol )
3614                 {
3615                     const unsigned colIdx = activatableCol->GetModelColumn();
3616                     const wxRect cell_rect = GetOwner()->GetItemRect(item, activatableCol);
3617
3618                     wxDataViewRenderer *cell = activatableCol->GetRenderer();
3619                     cell->PrepareForItem(GetModel(), item, colIdx);
3620                     cell->WXActivateCell(cell_rect, GetModel(), item, colIdx, NULL);
3621
3622                     break;
3623                 }
3624                 // else: fall through to WXK_F2 handling
3625             }
3626
3627         case WXK_F2:
3628             if ( event.HasModifiers() )
3629             {
3630                 event.Skip();
3631                 break;
3632             }
3633             else
3634             {
3635                 if( !m_selection.empty() )
3636                 {
3637                     // Mimic Windows 7 behavior: edit the item that has focus
3638                     // if it is selected and the first selected item if focus
3639                     // is out of selection.
3640                     int sel;
3641                     if ( m_selection.Index(m_currentRow) != wxNOT_FOUND )
3642                         sel = m_currentRow;
3643                     else
3644                         sel = m_selection[0];
3645
3646
3647                     const wxDataViewItem item = GetItemByRow(sel);
3648
3649                     // Edit the current column. If no column is focused
3650                     // (typically because the user has full row selected), try
3651                     // to find the first editable column.
3652                     wxDataViewColumn *editableCol = FindColumnForEditing(item, wxDATAVIEW_CELL_EDITABLE);
3653
3654                     if ( editableCol )
3655                         GetOwner()->EditItem(item, editableCol);
3656                 }
3657             }
3658             break;
3659
3660         case WXK_UP:
3661             if ( m_currentRow > 0 )
3662                 OnVerticalNavigation( m_currentRow - 1, event );
3663             break;
3664
3665         case WXK_DOWN:
3666             if ( m_currentRow + 1 < GetRowCount() )
3667                 OnVerticalNavigation( m_currentRow + 1, event );
3668             break;
3669         // Add the process for tree expanding/collapsing
3670         case WXK_LEFT:
3671             OnLeftKey();
3672             break;
3673
3674         case WXK_RIGHT:
3675             OnRightKey();
3676             break;
3677
3678         case WXK_END:
3679         {
3680             if (!IsEmpty())
3681                 OnVerticalNavigation( GetRowCount() - 1, event );
3682             break;
3683         }
3684         case WXK_HOME:
3685             if (!IsEmpty())
3686                 OnVerticalNavigation( 0, event );
3687             break;
3688
3689         case WXK_PAGEUP:
3690             {
3691                 int steps = pageSize - 1;
3692                 int index = m_currentRow - steps;
3693                 if (index < 0)
3694                     index = 0;
3695
3696                 OnVerticalNavigation( index, event );
3697             }
3698             break;
3699
3700         case WXK_PAGEDOWN:
3701             {
3702                 int steps = pageSize - 1;
3703                 unsigned int index = m_currentRow + steps;
3704                 unsigned int count = GetRowCount();
3705                 if ( index >= count )
3706                     index = count - 1;
3707
3708                 OnVerticalNavigation( index, event );
3709             }
3710             break;
3711
3712         default:
3713             event.Skip();
3714     }
3715 }
3716
3717 void wxDataViewMainWindow::OnVerticalNavigation(unsigned int newCurrent, const wxKeyEvent& event)
3718 {
3719     wxCHECK_RET( newCurrent < GetRowCount(),
3720                 wxT("invalid item index in OnVerticalNavigation()") );
3721
3722     // if there is no selection, we cannot move it anywhere
3723     if (!HasCurrentRow())
3724         return;
3725
3726     unsigned int oldCurrent = m_currentRow;
3727
3728     // in single selection we just ignore Shift as we can't select several
3729     // items anyhow
3730     if ( event.ShiftDown() && !IsSingleSel() )
3731     {
3732         RefreshRow( oldCurrent );
3733
3734         ChangeCurrentRow( newCurrent );
3735
3736         // select all the items between the old and the new one
3737         if ( oldCurrent > newCurrent )
3738         {
3739             newCurrent = oldCurrent;
3740             oldCurrent = m_currentRow;
3741         }
3742
3743         SelectRows( oldCurrent, newCurrent, true );
3744         if (oldCurrent!=newCurrent)
3745             SendSelectionChangedEvent(GetItemByRow(m_selection[0]));
3746     }
3747     else // !shift
3748     {
3749         RefreshRow( oldCurrent );
3750
3751         // all previously selected items are unselected unless ctrl is held
3752         if ( !event.ControlDown() )
3753             SelectAllRows(false);
3754
3755         ChangeCurrentRow( newCurrent );
3756
3757         if ( !event.ControlDown() )
3758         {
3759             SelectRow( m_currentRow, true );
3760             SendSelectionChangedEvent(GetItemByRow(m_currentRow));
3761         }
3762         else
3763             RefreshRow( m_currentRow );
3764     }
3765
3766     GetOwner()->EnsureVisible( m_currentRow, -1 );
3767 }
3768
3769 void wxDataViewMainWindow::OnLeftKey()
3770 {
3771     if ( IsList() )
3772     {
3773         TryAdvanceCurrentColumn(NULL, /*forward=*/false);
3774     }
3775     else
3776     {
3777         wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow);
3778
3779         if ( TryAdvanceCurrentColumn(node, /*forward=*/false) )
3780             return;
3781
3782         // Because TryAdvanceCurrentColumn() return false, we are at the first
3783         // column or using whole-row selection. In this situation, we can use
3784         // the standard TreeView handling of the left key.
3785         if (node->HasChildren() && node->IsOpen())
3786         {
3787             Collapse(m_currentRow);
3788         }
3789         else
3790         {
3791             // if the node is already closed, we move the selection to its parent
3792             wxDataViewTreeNode *parent_node = node->GetParent();
3793
3794             if (parent_node)
3795             {
3796                 int parent = GetRowByItem( parent_node->GetItem() );
3797                 if ( parent >= 0 )
3798                 {
3799                     unsigned int row = m_currentRow;
3800                     SelectRow( row, false);
3801                     SelectRow( parent, true );
3802                     ChangeCurrentRow( parent );
3803                     GetOwner()->EnsureVisible( parent, -1 );
3804                     SendSelectionChangedEvent( parent_node->GetItem() );
3805                 }
3806             }
3807         }
3808     }
3809 }
3810
3811 void wxDataViewMainWindow::OnRightKey()
3812 {
3813     if ( IsList() )
3814     {
3815         TryAdvanceCurrentColumn(NULL, /*forward=*/true);
3816     }
3817     else
3818     {
3819         wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow);
3820
3821         if ( node->HasChildren() )
3822         {
3823             if ( !node->IsOpen() )
3824             {
3825                 Expand( m_currentRow );
3826             }
3827             else
3828             {
3829                 // if the node is already open, we move the selection to the first child
3830                 unsigned int row = m_currentRow;
3831                 SelectRow( row, false );
3832                 SelectRow( row + 1, true );
3833                 ChangeCurrentRow( row + 1 );
3834                 GetOwner()->EnsureVisible( row + 1, -1 );
3835                 SendSelectionChangedEvent( GetItemByRow(row+1) );
3836             }
3837         }
3838         else
3839         {
3840             TryAdvanceCurrentColumn(node, /*forward=*/true);
3841         }
3842     }
3843 }
3844
3845 bool wxDataViewMainWindow::TryAdvanceCurrentColumn(wxDataViewTreeNode *node, bool forward)
3846 {
3847     if ( GetOwner()->GetColumnCount() == 0 )
3848         return false;
3849
3850     if ( !m_useCellFocus )
3851         return false;
3852
3853     if ( node )
3854     {
3855         // navigation shouldn't work in branch nodes without other columns:
3856         if ( node->HasChildren() && !GetModel()->HasContainerColumns(node->GetItem()) )
3857             return false;
3858     }
3859
3860     if ( m_currentCol == NULL || !m_currentColSetByKeyboard )
3861     {
3862         if ( forward )
3863         {
3864             m_currentCol = GetOwner()->GetColumnAt(1);
3865             m_currentColSetByKeyboard = true;
3866             RefreshRow(m_currentRow);
3867             return true;
3868         }
3869         else
3870             return false;
3871     }
3872
3873     int idx = GetOwner()->GetColumnIndex(m_currentCol) + (forward ? +1 : -1);
3874
3875     if ( idx >= (int)GetOwner()->GetColumnCount() )
3876         return false;
3877
3878     GetOwner()->EnsureVisible(m_currentRow, idx);
3879
3880     if ( idx < 1 )
3881     {
3882         // We are going to the left of the second column. Reset to whole-row
3883         // focus (which means first column would be edited).
3884         m_currentCol = NULL;
3885         RefreshRow(m_currentRow);
3886         return true;
3887     }
3888
3889     m_currentCol = GetOwner()->GetColumnAt(idx);
3890     m_currentColSetByKeyboard = true;
3891     RefreshRow(m_currentRow);
3892     return true;
3893 }
3894
3895 void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
3896 {
3897     if (event.GetEventType() == wxEVT_MOUSEWHEEL)
3898     {
3899         // let the base handle mouse wheel events.
3900         event.Skip();
3901         return;
3902     }
3903
3904     // set the focus to ourself if any of the mouse buttons are pressed
3905     if(event.ButtonDown() && !HasFocus())
3906         SetFocus();
3907
3908     int x = event.GetX();
3909     int y = event.GetY();
3910     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
3911     wxDataViewColumn *col = NULL;
3912
3913     int xpos = 0;
3914     unsigned int cols = GetOwner()->GetColumnCount();
3915     unsigned int i;
3916     for (i = 0; i < cols; i++)
3917     {
3918         wxDataViewColumn *c = GetOwner()->GetColumnAt( i );
3919         if (c->IsHidden())
3920             continue;      // skip it!
3921
3922         if (x < xpos + c->GetWidth())
3923         {
3924             col = c;
3925             break;
3926         }
3927         xpos += c->GetWidth();
3928     }
3929
3930     wxDataViewModel* const model = GetModel();
3931
3932     const unsigned int current = GetLineAt( y );
3933     const wxDataViewItem item = GetItemByRow(current);
3934
3935     // Handle right clicking here, before everything else as context menu
3936     // events should be sent even when we click outside of any item, unlike all
3937     // the other ones.
3938     if (event.RightUp())
3939     {
3940         wxWindow *parent = GetParent();
3941         wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, parent->GetId());
3942         le.SetEventObject(parent);
3943         le.SetModel(model);
3944
3945         if ( item.IsOk() && col )
3946         {
3947             le.SetItem( item );
3948             le.SetColumn( col->GetModelColumn() );
3949             le.SetDataViewColumn( col );
3950
3951             wxVariant value;
3952             model->GetValue( value, item, col->GetModelColumn() );
3953             le.SetValue(value);
3954         }
3955
3956         parent->ProcessWindowEvent(le);
3957         return;
3958     }
3959
3960     if (!col)
3961     {
3962         event.Skip();
3963         return;
3964     }
3965
3966     wxDataViewRenderer *cell = col->GetRenderer();
3967     if ((current >= GetRowCount()) || (x > GetEndOfLastCol()))
3968     {
3969         // Unselect all if below the last row ?
3970         event.Skip();
3971         return;
3972     }
3973
3974     wxDataViewColumn* const
3975         expander = GetExpanderColumnOrFirstOne(GetOwner());
3976
3977     // Test whether the mouse is hovering over the expander (a.k.a tree "+"
3978     // button) and also determine the offset of the real cell start, skipping
3979     // the indentation and the expander itself.
3980     bool hoverOverExpander = false;
3981     int itemOffset = 0;
3982     if ((!IsList()) && (expander == col))
3983     {
3984         wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3985
3986         int indent = node->GetIndentLevel();
3987         itemOffset = GetOwner()->GetIndent()*indent;
3988
3989         if ( node->HasChildren() )
3990         {
3991             // we make the rectangle we are looking in a bit bigger than the actual
3992             // visual expander so the user can hit that little thing reliably
3993             wxRect rect(itemOffset,
3994                         GetLineStart( current ) + (GetLineHeight(current) - m_lineHeight)/2,
3995                         m_lineHeight, m_lineHeight);
3996
3997             if( rect.Contains(x, y) )
3998             {
3999                 // So the mouse is over the expander
4000                 hoverOverExpander = true;
4001                 if (m_underMouse && m_underMouse != node)
4002                 {
4003                     // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
4004                     RefreshRow(GetRowByItem(m_underMouse->GetItem()));
4005                 }
4006                 if (m_underMouse != node)
4007                 {
4008                     // wxLogMessage("Do the row: %d", current);
4009                     RefreshRow(current);
4010                 }
4011                 m_underMouse = node;
4012             }
4013         }
4014
4015         // Account for the expander as well, even if this item doesn't have it,
4016         // its parent does so it still counts for the offset.
4017         itemOffset += m_lineHeight;
4018     }
4019     if (!hoverOverExpander)
4020     {
4021         if (m_underMouse != NULL)
4022         {
4023             // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
4024             RefreshRow(GetRowByItem(m_underMouse->GetItem()));
4025             m_underMouse = NULL;
4026         }
4027     }
4028
4029 #if wxUSE_DRAG_AND_DROP
4030     if (event.Dragging())
4031     {
4032         if (m_dragCount == 0)
4033         {
4034             // we have to report the raw, physical coords as we want to be
4035             // able to call HitTest(event.m_pointDrag) from the user code to
4036             // get the item being dragged
4037             m_dragStart = event.GetPosition();
4038         }
4039
4040         m_dragCount++;
4041
4042         if (m_dragCount != 3)
4043             return;
4044
4045         if (event.LeftIsDown())
4046         {
4047             m_owner->CalcUnscrolledPosition( m_dragStart.x, m_dragStart.y,
4048                                              &m_dragStart.x, &m_dragStart.y );
4049             unsigned int drag_item_row = GetLineAt( m_dragStart.y );
4050             wxDataViewItem itemDragged = GetItemByRow( drag_item_row );
4051
4052             // Notify cell about drag
4053             wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() );
4054             event.SetEventObject( m_owner );
4055             event.SetItem( itemDragged );
4056             event.SetModel( model );
4057             if (!m_owner->HandleWindowEvent( event ))
4058                 return;
4059
4060             if (!event.IsAllowed())
4061                 return;
4062
4063             wxDataObject *obj = event.GetDataObject();
4064             if (!obj)
4065                 return;
4066
4067             wxDataViewDropSource drag( this, drag_item_row );
4068             drag.SetData( *obj );
4069             /* wxDragResult res = */ drag.DoDragDrop();
4070             delete obj;
4071         }
4072         return;
4073     }
4074     else
4075     {
4076         m_dragCount = 0;
4077     }
4078 #endif // wxUSE_DRAG_AND_DROP
4079
4080     bool simulateClick = false;
4081
4082     if (event.ButtonDClick())
4083     {
4084         m_renameTimer->Stop();
4085         m_lastOnSame = false;
4086     }
4087
4088     bool ignore_other_columns =
4089         ((expander != col) &&
4090         (model->IsContainer(item)) &&
4091         (!model->HasContainerColumns(item)));
4092
4093     if (event.LeftDClick())
4094     {
4095         if(hoverOverExpander)
4096         {
4097             // a double click on the expander will be converted into a "simulated" normal click
4098             simulateClick = true;
4099         }
4100         else if ( current == m_lineLastClicked )
4101         {
4102             wxWindow *parent = GetParent();
4103             wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
4104             le.SetItem( item );
4105             le.SetColumn( col->GetModelColumn() );
4106             le.SetDataViewColumn( col );
4107             le.SetEventObject(parent);
4108             le.SetModel(GetModel());
4109
4110             parent->ProcessWindowEvent(le);
4111             return;
4112         }
4113         else
4114         {
4115             // The first click was on another item, so don't interpret this as
4116             // a double click, but as a simple click instead
4117             simulateClick = true;
4118         }
4119     }
4120
4121     if (event.LeftUp() && !hoverOverExpander)
4122     {
4123         if (m_lineSelectSingleOnUp != (unsigned int)-1)
4124         {
4125             // select single line
4126             SelectAllRows( false );
4127             SelectRow( m_lineSelectSingleOnUp, true );
4128             SendSelectionChangedEvent( GetItemByRow(m_lineSelectSingleOnUp) );
4129         }
4130
4131         // If the user click the expander, we do not do editing even if the column
4132         // with expander are editable
4133         if (m_lastOnSame && !ignore_other_columns)
4134         {
4135             if ((col == m_currentCol) && (current == m_currentRow) &&
4136                 IsCellEditableInMode(item, col, wxDATAVIEW_CELL_EDITABLE) )
4137             {
4138                 m_renameTimer->Start( 100, true );
4139             }
4140         }
4141
4142         m_lastOnSame = false;
4143         m_lineSelectSingleOnUp = (unsigned int)-1;
4144     }
4145     else if(!event.LeftUp())
4146     {
4147         // This is necessary, because after a DnD operation in
4148         // from and to ourself, the up event is swallowed by the
4149         // DnD code. So on next non-up event (which means here and
4150         // now) m_lineSelectSingleOnUp should be reset.
4151         m_lineSelectSingleOnUp = (unsigned int)-1;
4152     }
4153
4154     if (event.RightDown())
4155     {
4156         m_lineBeforeLastClicked = m_lineLastClicked;
4157         m_lineLastClicked = current;
4158
4159         // If the item is already selected, do not update the selection.
4160         // Multi-selections should not be cleared if a selected item is clicked.
4161         if (!IsRowSelected(current))
4162         {
4163             SelectAllRows(false);
4164             const unsigned oldCurrent = m_currentRow;
4165             ChangeCurrentRow(current);
4166             SelectRow(m_currentRow,true);
4167             RefreshRow(oldCurrent);
4168             SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
4169         }
4170     }
4171     else if (event.MiddleDown())
4172     {
4173     }
4174
4175     if((event.LeftDown() || simulateClick) && hoverOverExpander)
4176     {
4177         wxDataViewTreeNode* node = GetTreeNodeByRow(current);
4178
4179         // hoverOverExpander being true tells us that our node must be
4180         // valid and have children.
4181         // So we don't need any extra checks.
4182         if( node->IsOpen() )
4183             Collapse(current);
4184         else
4185             Expand(current);
4186     }
4187     else if ((event.LeftDown() || simulateClick) && !hoverOverExpander)
4188     {
4189         m_lineBeforeLastClicked = m_lineLastClicked;
4190         m_lineLastClicked = current;
4191
4192         unsigned int oldCurrentRow = m_currentRow;
4193         bool oldWasSelected = IsRowSelected(m_currentRow);
4194
4195         bool cmdModifierDown = event.CmdDown();
4196         if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
4197         {
4198             if ( IsSingleSel() || !IsRowSelected(current) )
4199             {
4200                 SelectAllRows( false );
4201                 ChangeCurrentRow(current);
4202                 SelectRow(m_currentRow,true);
4203                 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
4204             }
4205             else // multi sel & current is highlighted & no mod keys
4206             {
4207                 m_lineSelectSingleOnUp = current;
4208                 ChangeCurrentRow(current); // change focus
4209             }
4210         }
4211         else // multi sel & either ctrl or shift is down
4212         {
4213             if (cmdModifierDown)
4214             {
4215                 ChangeCurrentRow(current);
4216                 ReverseRowSelection(m_currentRow);
4217                 SendSelectionChangedEvent(GetItemByRow(m_currentRow));
4218             }
4219             else if (event.ShiftDown())
4220             {
4221                 ChangeCurrentRow(current);
4222
4223                 unsigned int lineFrom = oldCurrentRow,
4224                     lineTo = current;
4225
4226                 if ( lineTo < lineFrom )
4227                 {
4228                     lineTo = lineFrom;
4229                     lineFrom = m_currentRow;
4230                 }
4231
4232                 SelectRows(lineFrom, lineTo, true);
4233                 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
4234             }
4235             else // !ctrl, !shift
4236             {
4237                 // test in the enclosing if should make it impossible
4238                 wxFAIL_MSG( wxT("how did we get here?") );
4239             }
4240         }
4241
4242         if (m_currentRow != oldCurrentRow)
4243             RefreshRow( oldCurrentRow );
4244
4245         wxDataViewColumn *oldCurrentCol = m_currentCol;
4246
4247         // Update selection here...
4248         m_currentCol = col;
4249         m_currentColSetByKeyboard = false;
4250
4251         m_lastOnSame = !simulateClick && ((col == oldCurrentCol) &&
4252                         (current == oldCurrentRow)) && oldWasSelected;
4253
4254         // Call ActivateCell() after everything else as under GTK+
4255         if ( IsCellEditableInMode(item, col, wxDATAVIEW_CELL_ACTIVATABLE) )
4256         {
4257             // notify cell about click
4258             cell->PrepareForItem(model, item, col->GetModelColumn());
4259
4260             wxRect cell_rect( xpos + itemOffset,
4261                               GetLineStart( current ),
4262                               col->GetWidth() - itemOffset,
4263                               GetLineHeight( current ) );
4264
4265             // Report position relative to the cell's custom area, i.e.
4266             // no the entire space as given by the control but the one
4267             // used by the renderer after calculation of alignment etc.
4268
4269             // adjust the rectangle ourselves to account for the alignment
4270             wxRect rectItem = cell_rect;
4271             const int align = cell->GetAlignment();
4272             if ( align != wxDVR_DEFAULT_ALIGNMENT )
4273             {
4274                 const wxSize size = cell->GetSize();
4275
4276                 if ( size.x >= 0 && size.x < cell_rect.width )
4277                 {
4278                     if ( align & wxALIGN_CENTER_HORIZONTAL )
4279                         rectItem.x += (cell_rect.width - size.x)/2;
4280                     else if ( align & wxALIGN_RIGHT )
4281                         rectItem.x += cell_rect.width - size.x;
4282                     // else: wxALIGN_LEFT is the default
4283                 }
4284
4285                 if ( size.y >= 0 && size.y < cell_rect.height )
4286                 {
4287                     if ( align & wxALIGN_CENTER_VERTICAL )
4288                         rectItem.y += (cell_rect.height - size.y)/2;
4289                     else if ( align & wxALIGN_BOTTOM )
4290                         rectItem.y += cell_rect.height - size.y;
4291                     // else: wxALIGN_TOP is the default
4292                 }
4293             }
4294
4295             wxMouseEvent event2(event);
4296             event2.m_x -= rectItem.x;
4297             event2.m_y -= rectItem.y;
4298             m_owner->CalcUnscrolledPosition(event2.m_x, event2.m_y, &event2.m_x, &event2.m_y);
4299
4300              /* ignore ret */ cell->WXActivateCell
4301                                     (
4302                                         cell_rect,
4303                                         model,
4304                                         item,
4305                                         col->GetModelColumn(),
4306                                         &event2
4307                                     );
4308         }
4309     }
4310 }
4311
4312 void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
4313 {
4314     m_hasFocus = true;
4315
4316     if (HasCurrentRow())
4317         Refresh();
4318
4319     event.Skip();
4320 }
4321
4322 void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event )
4323 {
4324     m_hasFocus = false;
4325
4326     if (HasCurrentRow())
4327         Refresh();
4328
4329     event.Skip();
4330 }
4331
4332 void wxDataViewMainWindow::OnColumnsCountChanged()
4333 {
4334     int editableCount = 0;
4335
4336     const unsigned cols = GetOwner()->GetColumnCount();
4337     for ( unsigned i = 0; i < cols; i++ )
4338     {
4339         wxDataViewColumn *c = GetOwner()->GetColumnAt(i);
4340         if ( c->IsHidden() )
4341             continue;
4342         if ( c->GetRenderer()->GetMode() != wxDATAVIEW_CELL_INERT )
4343             editableCount++;
4344     }
4345
4346     m_useCellFocus = (editableCount > 1);
4347
4348     UpdateDisplay();
4349 }
4350
4351 //-----------------------------------------------------------------------------
4352 // wxDataViewCtrl
4353 //-----------------------------------------------------------------------------
4354
4355 WX_DEFINE_LIST(wxDataViewColumnList)
4356
4357 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
4358 BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
4359     EVT_SIZE(wxDataViewCtrl::OnSize)
4360 END_EVENT_TABLE()
4361
4362 wxDataViewCtrl::~wxDataViewCtrl()
4363 {
4364     if (m_notifier)
4365         GetModel()->RemoveNotifier( m_notifier );
4366
4367     m_cols.Clear();
4368     m_colsBestWidths.clear();
4369 }
4370
4371 void wxDataViewCtrl::Init()
4372 {
4373     m_cols.DeleteContents(true);
4374     m_notifier = NULL;
4375
4376     // No sorting column at start
4377     m_sortingColumnIdx = wxNOT_FOUND;
4378
4379     m_headerArea = NULL;
4380
4381     m_colsDirty = false;
4382 }
4383
4384 bool wxDataViewCtrl::Create(wxWindow *parent,
4385                             wxWindowID id,
4386                             const wxPoint& pos,
4387                             const wxSize& size,
4388                             long style,
4389                             const wxValidator& validator,
4390                             const wxString& name)
4391 {
4392 //    if ( (style & wxBORDER_MASK) == 0)
4393 //        style |= wxBORDER_SUNKEN;
4394
4395     Init();
4396
4397     if (!wxControl::Create( parent, id, pos, size,
4398                             style | wxScrolledWindowStyle, validator, name))
4399         return false;
4400
4401     SetInitialSize(size);
4402
4403 #ifdef __WXMAC__
4404     MacSetClipChildren( true );
4405 #endif
4406
4407     m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
4408
4409     // We use the cursor keys for moving the selection, not scrolling, so call
4410     // this method to ensure wxScrollHelperEvtHandler doesn't catch all
4411     // keyboard events forwarded to us from wxListMainWindow.
4412     DisableKeyboardScrolling();
4413
4414     if (HasFlag(wxDV_NO_HEADER))
4415         m_headerArea = NULL;
4416     else
4417         m_headerArea = new wxDataViewHeaderWindow(this);
4418
4419     SetTargetWindow( m_clientArea );
4420
4421     wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
4422     if (m_headerArea)
4423         sizer->Add( m_headerArea, 0, wxGROW );
4424     sizer->Add( m_clientArea, 1, wxGROW );
4425     SetSizer( sizer );
4426
4427     return true;
4428 }
4429
4430 wxBorder wxDataViewCtrl::GetDefaultBorder() const
4431 {
4432     return wxBORDER_THEME;
4433 }
4434
4435 #ifdef __WXMSW__
4436 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
4437                                         WXWPARAM wParam,
4438                                         WXLPARAM lParam)
4439 {
4440     WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
4441
4442 #ifndef __WXWINCE__
4443     // we need to process arrows ourselves for scrolling
4444     if ( nMsg == WM_GETDLGCODE )
4445     {
4446         rc |= DLGC_WANTARROWS;
4447     }
4448 #endif
4449
4450     return rc;
4451 }
4452 #endif
4453
4454 wxSize wxDataViewCtrl::GetSizeAvailableForScrollTarget(const wxSize& size)
4455 {
4456     wxSize newsize = size;
4457     if (!HasFlag(wxDV_NO_HEADER) && (m_headerArea))
4458     newsize.y -= m_headerArea->GetSize().y;
4459
4460     return newsize;
4461 }
4462
4463 void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) )
4464 {
4465     // We need to override OnSize so that our scrolled
4466     // window a) does call Layout() to use sizers for
4467     // positioning the controls but b) does not query
4468     // the sizer for their size and use that for setting
4469     // the scrollable area as set that ourselves by
4470     // calling SetScrollbar() further down.
4471
4472     Layout();
4473
4474     AdjustScrollbars();
4475
4476     // We must redraw the headers if their height changed. Normally this
4477     // shouldn't happen as the control shouldn't let itself be resized beneath
4478     // its minimal height but avoid the display artefacts that appear if it
4479     // does happen, e.g. because there is really not enough vertical space.
4480     if ( !HasFlag(wxDV_NO_HEADER) && m_headerArea &&
4481             m_headerArea->GetSize().y <= m_headerArea->GetBestSize(). y )
4482     {
4483         m_headerArea->Refresh();
4484     }
4485 }
4486
4487 void wxDataViewCtrl::SetFocus()
4488 {
4489     if (m_clientArea)
4490         m_clientArea->SetFocus();
4491 }
4492
4493 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
4494 {
4495     if (!wxDataViewCtrlBase::AssociateModel( model ))
4496         return false;
4497
4498     m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
4499
4500     model->AddNotifier( m_notifier );
4501
4502     m_clientArea->DestroyTree();
4503
4504     m_clientArea->BuildTree(model);
4505
4506     m_clientArea->UpdateDisplay();
4507
4508     return true;
4509 }
4510
4511 #if wxUSE_DRAG_AND_DROP
4512
4513 bool wxDataViewCtrl::EnableDragSource( const wxDataFormat &format )
4514 {
4515     return m_clientArea->EnableDragSource( format );
4516 }
4517
4518 bool wxDataViewCtrl::EnableDropTarget( const wxDataFormat &format )
4519 {
4520     return m_clientArea->EnableDropTarget( format );
4521 }
4522
4523 #endif // wxUSE_DRAG_AND_DROP
4524
4525 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
4526 {
4527     if (!wxDataViewCtrlBase::AppendColumn(col))
4528         return false;
4529
4530     m_cols.Append( col );
4531     m_colsBestWidths.push_back(0);
4532     OnColumnsCountChanged();
4533     return true;
4534 }
4535
4536 bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
4537 {
4538     if (!wxDataViewCtrlBase::PrependColumn(col))
4539         return false;
4540
4541     m_cols.Insert( col );
4542     m_colsBestWidths.insert(m_colsBestWidths.begin(), 0);
4543     OnColumnsCountChanged();
4544     return true;
4545 }
4546
4547 bool wxDataViewCtrl::InsertColumn( unsigned int pos, wxDataViewColumn *col )
4548 {
4549     if (!wxDataViewCtrlBase::InsertColumn(pos,col))
4550         return false;
4551
4552     m_cols.Insert( pos, col );
4553     m_colsBestWidths.insert(m_colsBestWidths.begin() + pos, 0);
4554     OnColumnsCountChanged();
4555     return true;
4556 }
4557
4558 void wxDataViewCtrl::OnColumnChange(unsigned int idx)
4559 {
4560     if ( m_headerArea )
4561         m_headerArea->UpdateColumn(idx);
4562
4563     m_clientArea->UpdateDisplay();
4564 }
4565
4566 void wxDataViewCtrl::OnColumnsCountChanged()
4567 {
4568     if (m_headerArea)
4569         m_headerArea->SetColumnCount(GetColumnCount());
4570
4571     m_clientArea->OnColumnsCountChanged();
4572 }
4573
4574 void wxDataViewCtrl::DoSetExpanderColumn()
4575 {
4576     m_clientArea->UpdateDisplay();
4577 }
4578
4579 void wxDataViewCtrl::DoSetIndent()
4580 {
4581     m_clientArea->UpdateDisplay();
4582 }
4583
4584 unsigned int wxDataViewCtrl::GetColumnCount() const
4585 {
4586     return m_cols.GetCount();
4587 }
4588
4589 bool wxDataViewCtrl::SetRowHeight( int lineHeight )
4590 {
4591     if ( !m_clientArea )
4592         return false;
4593
4594     m_clientArea->SetRowHeight(lineHeight);
4595
4596     return true;
4597 }
4598
4599 wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int idx ) const
4600 {
4601     return m_cols[idx];
4602 }
4603
4604 wxDataViewColumn *wxDataViewCtrl::GetColumnAt(unsigned int pos) const
4605 {
4606     // columns can't be reordered if there is no header window which allows
4607     // to do this
4608     const unsigned idx = m_headerArea ? m_headerArea->GetColumnsOrder()[pos]
4609                                     : pos;
4610
4611     return GetColumn(idx);
4612 }
4613
4614 int wxDataViewCtrl::GetColumnIndex(const wxDataViewColumn *column) const
4615 {
4616     const unsigned count = m_cols.size();
4617     for ( unsigned n = 0; n < count; n++ )
4618     {
4619         if ( m_cols[n] == column )
4620             return n;
4621     }
4622
4623     return wxNOT_FOUND;
4624 }
4625
4626 unsigned int wxDataViewCtrl::GetBestColumnWidth(int idx) const
4627 {
4628     if ( m_colsBestWidths[idx] != 0 )
4629         return m_colsBestWidths[idx];
4630
4631     const int count = m_clientArea->GetRowCount();
4632     wxDataViewColumn *column = GetColumn(idx);
4633     wxDataViewRenderer *renderer =
4634         const_cast<wxDataViewRenderer*>(column->GetRenderer());
4635
4636     class MaxWidthCalculator
4637     {
4638     public:
4639         MaxWidthCalculator(const wxDataViewCtrl *dvc,
4640                            wxDataViewMainWindow *clientArea,
4641                            wxDataViewRenderer *renderer,
4642                            const wxDataViewModel *model,
4643                            unsigned column,
4644                            int expanderSize)
4645             : m_width(0),
4646               m_dvc(dvc),
4647               m_clientArea(clientArea),
4648               m_renderer(renderer),
4649               m_model(model),
4650               m_column(column),
4651               m_expanderSize(expanderSize)
4652
4653         {
4654             m_isExpanderCol =
4655                 !clientArea->IsList() &&
4656                 (column == 0 ||
4657                  GetExpanderColumnOrFirstOne(const_cast<wxDataViewCtrl*>(dvc)) == dvc->GetColumnAt(column));
4658         }
4659
4660         void UpdateWithWidth(int width)
4661         {
4662             m_width = wxMax(m_width, width);
4663         }
4664
4665         void UpdateWithRow(int row)
4666         {
4667             int indent = 0;
4668             wxDataViewItem item;
4669
4670             if ( m_isExpanderCol )
4671             {
4672                 wxDataViewTreeNode *node = m_clientArea->GetTreeNodeByRow(row);
4673                 item = node->GetItem();
4674                 indent = m_dvc->GetIndent() * node->GetIndentLevel() + m_expanderSize;
4675             }
4676             else
4677             {
4678                 item = m_clientArea->GetItemByRow(row);
4679             }
4680
4681             m_renderer->PrepareForItem(m_model, item, m_column);
4682             m_width = wxMax(m_width, m_renderer->GetSize().x + indent);
4683         }
4684
4685         int GetMaxWidth() const { return m_width; }
4686
4687     private:
4688         int m_width;
4689         const wxDataViewCtrl *m_dvc;
4690         wxDataViewMainWindow *m_clientArea;
4691         wxDataViewRenderer *m_renderer;
4692         const wxDataViewModel *m_model;
4693         unsigned m_column;
4694         bool m_isExpanderCol;
4695         int m_expanderSize;
4696     };
4697
4698     MaxWidthCalculator calculator(this, m_clientArea, renderer,
4699                                   GetModel(), column->GetModelColumn(),
4700                                   m_clientArea->GetRowHeight());
4701
4702     if ( m_headerArea )
4703         calculator.UpdateWithWidth(m_headerArea->GetColumnTitleWidth(*column));
4704
4705     // The code below deserves some explanation. For very large controls, we
4706     // simply can't afford to calculate sizes for all items, it takes too
4707     // long. So the best we can do is to check the first and the last N/2
4708     // items in the control for some sufficiently large N and calculate best
4709     // sizes from that. That can result in the calculated best width being too
4710     // small for some outliers, but it's better to get slightly imperfect
4711     // result than to wait several seconds after every update. To avoid highly
4712     // visible miscalculations, we also include all currently visible items
4713     // no matter what.  Finally, the value of N is determined dynamically by
4714     // measuring how much time we spent on the determining item widths so far.
4715
4716 #if wxUSE_STOPWATCH
4717     int top_part_end = count;
4718     static const long CALC_TIMEOUT = 20/*ms*/;
4719     // don't call wxStopWatch::Time() too often
4720     static const unsigned CALC_CHECK_FREQ = 100;
4721     wxStopWatch timer;
4722 #else
4723     // use some hard-coded limit, that's the best we can do without timer
4724     int top_part_end = wxMin(500, count);
4725 #endif // wxUSE_STOPWATCH/!wxUSE_STOPWATCH
4726
4727     int row = 0;
4728
4729     for ( row = 0; row < top_part_end; row++ )
4730     {
4731 #if wxUSE_STOPWATCH
4732         if ( row % CALC_CHECK_FREQ == CALC_CHECK_FREQ-1 &&
4733              timer.Time() > CALC_TIMEOUT )
4734             break;
4735 #endif // wxUSE_STOPWATCH
4736         calculator.UpdateWithRow(row);
4737     }
4738
4739     // row is the first unmeasured item now; that's our value of N/2
4740
4741     if ( row < count )
4742     {
4743         top_part_end = row;
4744
4745         // add bottom N/2 items now:
4746         const int bottom_part_start = wxMax(row, count - row);
4747         for ( row = bottom_part_start; row < count; row++ )
4748         {
4749             calculator.UpdateWithRow(row);
4750         }
4751
4752         // finally, include currently visible items in the calculation:
4753         const wxPoint origin = CalcUnscrolledPosition(wxPoint(0, 0));
4754         int first_visible = m_clientArea->GetLineAt(origin.y);
4755         int last_visible = m_clientArea->GetLineAt(origin.y + GetClientSize().y);
4756
4757         first_visible = wxMax(first_visible, top_part_end);
4758         last_visible = wxMin(bottom_part_start, last_visible);
4759
4760         for ( row = first_visible; row < last_visible; row++ )
4761         {
4762             calculator.UpdateWithRow(row);
4763         }
4764
4765         wxLogTrace("dataview",
4766                    "determined best size from %d top, %d bottom plus %d more visible items out of %d total",
4767                    top_part_end,
4768                    count - bottom_part_start,
4769                    wxMax(0, last_visible - first_visible),
4770                    count);
4771     }
4772
4773     int max_width = calculator.GetMaxWidth();
4774     if ( max_width > 0 )
4775         max_width += 2 * PADDING_RIGHTLEFT;
4776
4777     const_cast<wxDataViewCtrl*>(this)->m_colsBestWidths[idx] = max_width;
4778     return max_width;
4779 }
4780
4781 void wxDataViewCtrl::ColumnMoved(wxDataViewColumn * WXUNUSED(col),
4782                                 unsigned int WXUNUSED(new_pos))
4783 {
4784     // do _not_ reorder m_cols elements here, they should always be in the
4785     // order in which columns were added, we only display the columns in
4786     // different order
4787     m_clientArea->UpdateDisplay();
4788 }
4789
4790 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
4791 {
4792     wxDataViewColumnList::compatibility_iterator ret = m_cols.Find( column );
4793     if (!ret)
4794         return false;
4795
4796     m_colsBestWidths.erase(m_colsBestWidths.begin() + GetColumnIndex(column));
4797     m_cols.Erase(ret);
4798
4799     if ( m_clientArea->GetCurrentColumn() == column )
4800         m_clientArea->ClearCurrentColumn();
4801
4802     OnColumnsCountChanged();
4803
4804     return true;
4805 }
4806
4807 bool wxDataViewCtrl::ClearColumns()
4808 {
4809     SetExpanderColumn(NULL);
4810     m_cols.Clear();
4811     m_colsBestWidths.clear();
4812
4813     m_clientArea->ClearCurrentColumn();
4814
4815     OnColumnsCountChanged();
4816
4817     return true;
4818 }
4819
4820 void wxDataViewCtrl::InvalidateColBestWidth(int idx)
4821 {
4822     m_colsBestWidths[idx] = 0;
4823     m_colsDirty = true;
4824 }
4825
4826 void wxDataViewCtrl::InvalidateColBestWidths()
4827 {
4828     m_colsBestWidths.clear();
4829     m_colsBestWidths.resize(m_cols.size());
4830     m_colsDirty = true;
4831 }
4832
4833 void wxDataViewCtrl::UpdateColWidths()
4834 {
4835     if ( !m_headerArea )
4836         return;
4837
4838     const unsigned len = m_colsBestWidths.size();
4839     for ( unsigned i = 0; i < len; i++ )
4840     {
4841         if ( m_colsBestWidths[i] == 0 )
4842             m_headerArea->UpdateColumn(i);
4843     }
4844 }
4845
4846 void wxDataViewCtrl::OnInternalIdle()
4847 {
4848     wxDataViewCtrlBase::OnInternalIdle();
4849
4850     if ( m_colsDirty )
4851     {
4852         m_colsDirty = false;
4853         UpdateColWidths();
4854     }
4855 }
4856
4857 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
4858 {
4859     unsigned int len = GetColumnCount();
4860     for ( unsigned int i = 0; i < len; i++ )
4861     {
4862         wxDataViewColumn * col = GetColumnAt(i);
4863         if (column==col)
4864             return i;
4865     }
4866
4867     return wxNOT_FOUND;
4868 }
4869
4870 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
4871 {
4872     return m_sortingColumnIdx == wxNOT_FOUND ? NULL
4873                                             : GetColumn(m_sortingColumnIdx);
4874 }
4875
4876 wxDataViewItem wxDataViewCtrl::DoGetCurrentItem() const
4877 {
4878     return GetItemByRow(m_clientArea->GetCurrentRow());
4879 }
4880
4881 void wxDataViewCtrl::DoSetCurrentItem(const wxDataViewItem& item)
4882 {
4883     const int row = m_clientArea->GetRowByItem(item);
4884
4885     const unsigned oldCurrent = m_clientArea->GetCurrentRow();
4886     if ( static_cast<unsigned>(row) != oldCurrent )
4887     {
4888         m_clientArea->ChangeCurrentRow(row);
4889         m_clientArea->RefreshRow(oldCurrent);
4890         m_clientArea->RefreshRow(row);
4891     }
4892 }
4893
4894 wxDataViewColumn *wxDataViewCtrl::GetCurrentColumn() const
4895 {
4896     return m_clientArea->GetCurrentColumn();
4897 }
4898
4899 int wxDataViewCtrl::GetSelectedItemsCount() const
4900 {
4901     return m_clientArea->GetSelections().size();
4902 }
4903
4904 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
4905 {
4906     sel.Empty();
4907     const wxDataViewSelection& selections = m_clientArea->GetSelections();
4908
4909     const size_t len = selections.size();
4910     for ( size_t i = 0; i < len; i++ )
4911     {
4912         wxDataViewItem item = m_clientArea->GetItemByRow(selections[i]);
4913         if ( item.IsOk() )
4914         {
4915             sel.Add(item);
4916         }
4917         else
4918         {
4919             wxFAIL_MSG( "invalid item in selection - bad internal state" );
4920         }
4921     }
4922
4923     return sel.size();
4924 }
4925
4926 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
4927 {
4928     wxDataViewSelection selection(wxDataViewSelectionCmp);
4929
4930     wxDataViewItem last_parent;
4931
4932     int len = sel.GetCount();
4933     for( int i = 0; i < len; i ++ )
4934     {
4935         wxDataViewItem item = sel[i];
4936         wxDataViewItem parent = GetModel()->GetParent( item );
4937         if (parent)
4938         {
4939             if (parent != last_parent)
4940                 ExpandAncestors(item);
4941         }
4942
4943         last_parent = parent;
4944         int row = m_clientArea->GetRowByItem( item );
4945         if( row >= 0 )
4946             selection.Add( static_cast<unsigned int>(row) );
4947     }
4948
4949     m_clientArea->SetSelections( selection );
4950 }
4951
4952 void wxDataViewCtrl::Select( const wxDataViewItem & item )
4953 {
4954     ExpandAncestors( item );
4955
4956     int row = m_clientArea->GetRowByItem( item );
4957     if( row >= 0 )
4958     {
4959         // Unselect all rows before select another in the single select mode
4960         if (m_clientArea->IsSingleSel())
4961             m_clientArea->SelectAllRows(false);
4962
4963         m_clientArea->SelectRow(row, true);
4964
4965         // Also set focus to the selected item
4966         m_clientArea->ChangeCurrentRow( row );
4967     }
4968 }
4969
4970 void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
4971 {
4972     int row = m_clientArea->GetRowByItem( item );
4973     if( row >= 0 )
4974         m_clientArea->SelectRow(row, false);
4975 }
4976
4977 bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
4978 {
4979     int row = m_clientArea->GetRowByItem( item );
4980     if( row >= 0 )
4981     {
4982         return m_clientArea->IsRowSelected(row);
4983     }
4984     return false;
4985 }
4986
4987 void wxDataViewCtrl::SetAlternateRowColour(const wxColour& colour)
4988 {
4989     m_alternateRowColour = colour;
4990 }
4991
4992 void wxDataViewCtrl::SelectAll()
4993 {
4994     m_clientArea->SelectAllRows(true);
4995 }
4996
4997 void wxDataViewCtrl::UnselectAll()
4998 {
4999     m_clientArea->SelectAllRows(false);
5000 }
5001
5002 void wxDataViewCtrl::EnsureVisible( int row, int column )
5003 {
5004     if( row < 0 )
5005         row = 0;
5006     if( row > (int) m_clientArea->GetRowCount() )
5007         row = m_clientArea->GetRowCount();
5008
5009     int first = m_clientArea->GetFirstVisibleRow();
5010     int last = m_clientArea->GetLastVisibleRow();
5011     if( row < first )
5012         m_clientArea->ScrollTo( row, column );
5013     else if( row > last )
5014         m_clientArea->ScrollTo( row - last + first, column );
5015     else
5016         m_clientArea->ScrollTo( first, column );
5017 }
5018
5019 void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
5020 {
5021     ExpandAncestors( item );
5022
5023     m_clientArea->RecalculateDisplay();
5024
5025     int row = m_clientArea->GetRowByItem(item);
5026     if( row >= 0 )
5027     {
5028         if( column == NULL )
5029             EnsureVisible(row, -1);
5030         else
5031             EnsureVisible( row, GetColumnIndex(column) );
5032     }
5033
5034 }
5035
5036 void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item,
5037                               wxDataViewColumn* &column ) const
5038 {
5039     m_clientArea->HitTest(point, item, column);
5040 }
5041
5042 wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item,
5043                                     const wxDataViewColumn* column ) const
5044 {
5045     return m_clientArea->GetItemRect(item, column);
5046 }
5047
5048 wxDataViewItem wxDataViewCtrl::GetItemByRow( unsigned int row ) const
5049 {
5050     return m_clientArea->GetItemByRow( row );
5051 }
5052
5053 int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const
5054 {
5055     return m_clientArea->GetRowByItem( item );
5056 }
5057
5058 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
5059 {
5060     ExpandAncestors( item );
5061
5062     int row = m_clientArea->GetRowByItem( item );
5063     if (row != -1)
5064         m_clientArea->Expand(row);
5065 }
5066
5067 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
5068 {
5069     int row = m_clientArea->GetRowByItem( item );
5070     if (row != -1)
5071         m_clientArea->Collapse(row);
5072 }
5073
5074 bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
5075 {
5076     int row = m_clientArea->GetRowByItem( item );
5077     if (row != -1)
5078         return m_clientArea->IsExpanded(row);
5079     return false;
5080 }
5081
5082 void wxDataViewCtrl::EditItem(const wxDataViewItem& item, const wxDataViewColumn *column)
5083 {
5084     wxCHECK_RET( item.IsOk(), "invalid item" );
5085     wxCHECK_RET( column, "no column provided" );
5086
5087     m_clientArea->StartEditing(item, column);
5088 }
5089
5090 #endif // !wxUSE_GENERICDATAVIEWCTRL
5091
5092 #endif // wxUSE_DATAVIEWCTRL