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() const;
 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() const;
 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     // The icon can't be edited so get its old value and reuse it.
1191     wxVariant valueOld;
1192     wxDataViewColumn* const col = GetOwner();
1193     GetView()->GetModel()->GetValue(valueOld, m_item, col->GetModelColumn());
1194
1195     wxDataViewIconText iconText;
1196     iconText << valueOld;
1197
1198     // But replace the text with the value entered by user.
1199     iconText.SetText(text->GetValue());
1200
1201     value << iconText;
1202     return true;
1203 }
1204
1205 //-----------------------------------------------------------------------------
1206 // wxDataViewDropTarget
1207 //-----------------------------------------------------------------------------
1208
1209 #if wxUSE_DRAG_AND_DROP
1210
1211 class wxBitmapCanvas: public wxWindow
1212 {
1213 public:
1214     wxBitmapCanvas( wxWindow *parent, const wxBitmap &bitmap, const wxSize &size ) :
1215     wxWindow( parent, wxID_ANY, wxPoint(0,0), size )
1216     {
1217         m_bitmap = bitmap;
1218         Connect( wxEVT_PAINT, wxPaintEventHandler(wxBitmapCanvas::OnPaint) );
1219     }
1220
1221     void OnPaint( wxPaintEvent &WXUNUSED(event) )
1222     {
1223         wxPaintDC dc(this);
1224         dc.DrawBitmap( m_bitmap, 0, 0);
1225     }
1226
1227     wxBitmap m_bitmap;
1228 };
1229
1230 class wxDataViewDropSource: public wxDropSource
1231 {
1232 public:
1233     wxDataViewDropSource( wxDataViewMainWindow *win, unsigned int row ) :
1234         wxDropSource( win )
1235     {
1236         m_win = win;
1237         m_row = row;
1238         m_hint = NULL;
1239     }
1240
1241     ~wxDataViewDropSource()
1242     {
1243         delete m_hint;
1244     }
1245
1246     virtual bool GiveFeedback( wxDragResult WXUNUSED(effect) )
1247     {
1248         wxPoint pos = wxGetMousePosition();
1249
1250         if (!m_hint)
1251         {
1252             int liney = m_win->GetLineStart( m_row );
1253             int linex = 0;
1254             m_win->GetOwner()->CalcUnscrolledPosition( 0, liney, NULL, &liney );
1255             m_win->ClientToScreen( &linex, &liney );
1256             m_dist_x = pos.x - linex;
1257             m_dist_y = pos.y - liney;
1258
1259             int indent = 0;
1260             wxBitmap ib = m_win->CreateItemBitmap( m_row, indent );
1261             m_dist_x -= indent;
1262             m_hint = new wxFrame( m_win->GetParent(), wxID_ANY, wxEmptyString,
1263                                         wxPoint(pos.x - m_dist_x, pos.y + 5 ),
1264                                         ib.GetSize(),
1265                                         wxFRAME_TOOL_WINDOW |
1266                                         wxFRAME_FLOAT_ON_PARENT |
1267                                         wxFRAME_NO_TASKBAR |
1268                                         wxNO_BORDER );
1269             new wxBitmapCanvas( m_hint, ib, ib.GetSize() );
1270             m_hint->Show();
1271         }
1272         else
1273         {
1274             m_hint->Move( pos.x - m_dist_x, pos.y + 5  );
1275             m_hint->SetTransparent( 128 );
1276         }
1277
1278         return false;
1279     }
1280
1281     wxDataViewMainWindow   *m_win;
1282     unsigned int            m_row;
1283     wxFrame                *m_hint;
1284     int m_dist_x,m_dist_y;
1285 };
1286
1287
1288 class wxDataViewDropTarget: public wxDropTarget
1289 {
1290 public:
1291     wxDataViewDropTarget( wxDataObject *obj, wxDataViewMainWindow *win ) :
1292         wxDropTarget( obj )
1293     {
1294         m_win = win;
1295     }
1296
1297     virtual wxDragResult OnDragOver( wxCoord x, wxCoord y, wxDragResult def )
1298     {
1299         wxDataFormat format = GetMatchingPair();
1300         if (format == wxDF_INVALID)
1301             return wxDragNone;
1302         return m_win->OnDragOver( format, x, y, def);
1303     }
1304
1305     virtual bool OnDrop( wxCoord x, wxCoord y )
1306     {
1307         wxDataFormat format = GetMatchingPair();
1308         if (format == wxDF_INVALID)
1309             return false;
1310         return m_win->OnDrop( format, x, y );
1311     }
1312
1313     virtual wxDragResult OnData( wxCoord x, wxCoord y, wxDragResult def )
1314     {
1315         wxDataFormat format = GetMatchingPair();
1316         if (format == wxDF_INVALID)
1317             return wxDragNone;
1318         if (!GetData())
1319             return wxDragNone;
1320         return m_win->OnData( format, x, y, def );
1321     }
1322
1323     virtual void OnLeave()
1324         { m_win->OnLeave(); }
1325
1326     wxDataViewMainWindow   *m_win;
1327 };
1328
1329 #endif // wxUSE_DRAG_AND_DROP
1330
1331 //-----------------------------------------------------------------------------
1332 // wxDataViewRenameTimer
1333 //-----------------------------------------------------------------------------
1334
1335 wxDataViewRenameTimer::wxDataViewRenameTimer( wxDataViewMainWindow *owner )
1336 {
1337     m_owner = owner;
1338 }
1339
1340 void wxDataViewRenameTimer::Notify()
1341 {
1342     m_owner->OnRenameTimer();
1343 }
1344
1345 //-----------------------------------------------------------------------------
1346 // wxDataViewMainWindow
1347 //-----------------------------------------------------------------------------
1348
1349 // The tree building helper, declared firstly
1350 static void BuildTreeHelper( const wxDataViewModel * model,  const wxDataViewItem & item,
1351                              wxDataViewTreeNode * node);
1352
1353 int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )
1354 {
1355     if (row1 > row2) return 1;
1356     if (row1 == row2) return 0;
1357     return -1;
1358 }
1359
1360 IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
1361
1362 BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
1363     EVT_PAINT         (wxDataViewMainWindow::OnPaint)
1364     EVT_MOUSE_EVENTS  (wxDataViewMainWindow::OnMouse)
1365     EVT_SET_FOCUS     (wxDataViewMainWindow::OnSetFocus)
1366     EVT_KILL_FOCUS    (wxDataViewMainWindow::OnKillFocus)
1367     EVT_CHAR_HOOK     (wxDataViewMainWindow::OnCharHook)
1368     EVT_CHAR          (wxDataViewMainWindow::OnChar)
1369 END_EVENT_TABLE()
1370
1371 wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
1372     const wxPoint &pos, const wxSize &size, const wxString &name ) :
1373     wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE, name ),
1374     m_selection( wxDataViewSelectionCmp )
1375
1376 {
1377     SetOwner( parent );
1378
1379     m_editorRenderer = NULL;
1380
1381     m_lastOnSame = false;
1382     m_renameTimer = new wxDataViewRenameTimer( this );
1383
1384     // TODO: user better initial values/nothing selected
1385     m_currentCol = NULL;
1386     m_currentColSetByKeyboard = false;
1387     m_useCellFocus = false;
1388     m_currentRow = 0;
1389
1390 #ifdef __WXMSW__
1391     // We would like to use the same line height that Explorer uses. This is
1392     // different from standard ListView control since Vista.
1393     if ( wxGetWinVersion() >= wxWinVersion_Vista )
1394         m_lineHeight = wxMax(16, GetCharHeight()) + 6; // 16 = mini icon height
1395     else
1396 #endif // __WXMSW__
1397         m_lineHeight = wxMax(16, GetCharHeight()) + 1; // 16 = mini icon height
1398
1399 #if wxUSE_DRAG_AND_DROP
1400     m_dragCount = 0;
1401     m_dragStart = wxPoint(0,0);
1402
1403     m_dragEnabled = false;
1404     m_dropEnabled = false;
1405     m_dropHint = false;
1406     m_dropHintLine = (unsigned int) -1;
1407 #endif // wxUSE_DRAG_AND_DROP
1408
1409     m_lineLastClicked = (unsigned int) -1;
1410     m_lineBeforeLastClicked = (unsigned int) -1;
1411     m_lineSelectSingleOnUp = (unsigned int) -1;
1412
1413     m_hasFocus = false;
1414
1415     SetBackgroundColour( *wxWHITE );
1416
1417     SetBackgroundStyle(wxBG_STYLE_CUSTOM);
1418
1419     m_penRule = wxPen(GetRuleColour());
1420
1421     // compose a pen whichcan draw black lines
1422     // TODO: maybe there is something system colour to use
1423     m_penExpander = wxPen(wxColour(0,0,0));
1424
1425     m_root = wxDataViewTreeNode::CreateRootNode();
1426
1427     // Make m_count = -1 will cause the class recaculate the real displaying number of rows.
1428     m_count = -1;
1429     m_underMouse = NULL;
1430     UpdateDisplay();
1431 }
1432
1433 wxDataViewMainWindow::~wxDataViewMainWindow()
1434 {
1435     DestroyTree();
1436     delete m_renameTimer;
1437 }
1438
1439
1440 #if wxUSE_DRAG_AND_DROP
1441 bool wxDataViewMainWindow::EnableDragSource( const wxDataFormat &format )
1442 {
1443     m_dragFormat = format;
1444     m_dragEnabled = format != wxDF_INVALID;
1445
1446     return true;
1447 }
1448
1449 bool wxDataViewMainWindow::EnableDropTarget( const wxDataFormat &format )
1450 {
1451     m_dropFormat = format;
1452     m_dropEnabled = format != wxDF_INVALID;
1453
1454     if (m_dropEnabled)
1455         SetDropTarget( new wxDataViewDropTarget( new wxCustomDataObject( format ), this ) );
1456
1457     return true;
1458 }
1459
1460 void wxDataViewMainWindow::RemoveDropHint()
1461 {
1462     if (m_dropHint)
1463     {
1464             m_dropHint = false;
1465             RefreshRow( m_dropHintLine );
1466             m_dropHintLine = (unsigned int) -1;
1467     }
1468 }
1469
1470 wxDragResult wxDataViewMainWindow::OnDragOver( wxDataFormat format, wxCoord x,
1471                                                wxCoord y, wxDragResult def )
1472 {
1473     int xx = x;
1474     int yy = y;
1475     m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1476     unsigned int row = GetLineAt( yy );
1477
1478     if ((row >= GetRowCount()) || (xx > GetEndOfLastCol()))
1479     {
1480         RemoveDropHint();
1481         return wxDragNone;
1482     }
1483
1484     wxDataViewItem item = GetItemByRow( row );
1485
1486     wxDataViewModel *model = GetModel();
1487
1488     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1489     event.SetEventObject( m_owner );
1490     event.SetItem( item );
1491     event.SetModel( model );
1492     event.SetDataFormat( format );
1493     if (!m_owner->HandleWindowEvent( event ))
1494     {
1495         RemoveDropHint();
1496         return wxDragNone;
1497     }
1498
1499     if (!event.IsAllowed())
1500     {
1501         RemoveDropHint();
1502         return wxDragNone;
1503     }
1504
1505
1506     if (m_dropHint && (row != m_dropHintLine))
1507         RefreshRow( m_dropHintLine );
1508     m_dropHint = true;
1509     m_dropHintLine = row;
1510     RefreshRow( row );
1511
1512     return def;
1513 }
1514
1515 bool wxDataViewMainWindow::OnDrop( wxDataFormat format, wxCoord x, wxCoord y )
1516 {
1517     RemoveDropHint();
1518
1519     int xx = x;
1520     int yy = y;
1521     m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1522     unsigned int row = GetLineAt( yy );
1523
1524     if ((row >= GetRowCount()) || (xx > GetEndOfLastCol()))
1525         return false;
1526
1527     wxDataViewItem item = GetItemByRow( row );
1528
1529     wxDataViewModel *model = GetModel();
1530
1531     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
1532     event.SetEventObject( m_owner );
1533     event.SetItem( item );
1534     event.SetModel( model );
1535     event.SetDataFormat( format );
1536     if (!m_owner->HandleWindowEvent( event ))
1537         return false;
1538
1539     if (!event.IsAllowed())
1540         return false;
1541
1542     return true;
1543 }
1544
1545 wxDragResult wxDataViewMainWindow::OnData( wxDataFormat format, wxCoord x, wxCoord y,
1546                                            wxDragResult def )
1547 {
1548     int xx = x;
1549     int yy = y;
1550     m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
1551     unsigned int row = GetLineAt( yy );
1552
1553     if ((row >= GetRowCount()) || (xx > GetEndOfLastCol()))
1554         return wxDragNone;
1555
1556     wxDataViewItem item = GetItemByRow( row );
1557
1558     wxDataViewModel *model = GetModel();
1559
1560     wxCustomDataObject *obj = (wxCustomDataObject *) GetDropTarget()->GetDataObject();
1561
1562     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, m_owner->GetId() );
1563     event.SetEventObject( m_owner );
1564     event.SetItem( item );
1565     event.SetModel( model );
1566     event.SetDataFormat( format );
1567     event.SetDataSize( obj->GetSize() );
1568     event.SetDataBuffer( obj->GetData() );
1569     if (!m_owner->HandleWindowEvent( event ))
1570         return wxDragNone;
1571
1572     if (!event.IsAllowed())
1573         return wxDragNone;
1574
1575     return def;
1576 }
1577
1578 void wxDataViewMainWindow::OnLeave()
1579 {
1580     RemoveDropHint();
1581 }
1582
1583 wxBitmap wxDataViewMainWindow::CreateItemBitmap( unsigned int row, int &indent )
1584 {
1585     int height = GetLineHeight( row );
1586     int width = 0;
1587     unsigned int cols = GetOwner()->GetColumnCount();
1588     unsigned int col;
1589     for (col = 0; col < cols; col++)
1590     {
1591         wxDataViewColumn *column = GetOwner()->GetColumnAt(col);
1592         if (column->IsHidden())
1593             continue;      // skip it!
1594         width += column->GetWidth();
1595     }
1596
1597     indent = 0;
1598     if (!IsList())
1599     {
1600         wxDataViewTreeNode *node = GetTreeNodeByRow(row);
1601         indent = GetOwner()->GetIndent() * node->GetIndentLevel();
1602         indent = indent + m_lineHeight;
1603             // try to use the m_lineHeight as the expander space
1604     }
1605     width -= indent;
1606
1607     wxBitmap bitmap( width, height );
1608     wxMemoryDC dc( bitmap );
1609     dc.SetFont( GetFont() );
1610     dc.SetPen( *wxBLACK_PEN );
1611     dc.SetBrush( *wxWHITE_BRUSH );
1612     dc.DrawRectangle( 0,0,width,height );
1613
1614     wxDataViewModel *model = m_owner->GetModel();
1615
1616     wxDataViewColumn * const
1617         expander = GetExpanderColumnOrFirstOne(GetOwner());
1618
1619     int x = 0;
1620     for (col = 0; col < cols; col++)
1621     {
1622         wxDataViewColumn *column = GetOwner()->GetColumnAt( col );
1623         wxDataViewRenderer *cell = column->GetRenderer();
1624
1625         if (column->IsHidden())
1626             continue;       // skip it!
1627
1628         width = column->GetWidth();
1629
1630         if (column == expander)
1631             width -= indent;
1632
1633         wxDataViewItem item = GetItemByRow( row );
1634         cell->PrepareForItem(model, item, column->GetModelColumn());
1635
1636         wxRect item_rect(x, 0, width, height);
1637         item_rect.Deflate(PADDING_RIGHTLEFT, 0);
1638
1639         // dc.SetClippingRegion( item_rect );
1640         cell->WXCallRender(item_rect, &dc, 0);
1641         // dc.DestroyClippingRegion();
1642
1643         x += width;
1644     }
1645
1646     return bitmap;
1647 }
1648
1649 #endif // wxUSE_DRAG_AND_DROP
1650
1651
1652 // Draw focus rect for individual cell. Unlike native focus rect, we render
1653 // this in foreground text color (typically white) to enhance contrast and
1654 // make it visible.
1655 static void DrawSelectedCellFocusRect(wxDC& dc, const wxRect& rect)
1656 {
1657     // (This code is based on wxRendererGeneric::DrawFocusRect and modified.)
1658
1659     // draw the pixels manually because the "dots" in wxPen with wxDOT style
1660     // may be short traits and not really dots
1661     //
1662     // note that to behave in the same manner as DrawRect(), we must exclude
1663     // the bottom and right borders from the rectangle
1664     wxCoord x1 = rect.GetLeft(),
1665             y1 = rect.GetTop(),
1666             x2 = rect.GetRight(),
1667             y2 = rect.GetBottom();
1668
1669     wxDCPenChanger pen(dc, wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT));
1670
1671     wxCoord z;
1672     for ( z = x1 + 1; z < x2; z += 2 )
1673         dc.DrawPoint(z, rect.GetTop());
1674
1675     wxCoord shift = z == x2 ? 0 : 1;
1676     for ( z = y1 + shift; z < y2; z += 2 )
1677         dc.DrawPoint(x2, z);
1678
1679     shift = z == y2 ? 0 : 1;
1680     for ( z = x2 - shift; z > x1; z -= 2 )
1681         dc.DrawPoint(z, y2);
1682
1683     shift = z == x1 ? 0 : 1;
1684     for ( z = y2 - shift; z > y1; z -= 2 )
1685         dc.DrawPoint(x1, z);
1686 }
1687
1688
1689 void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1690 {
1691     wxDataViewModel *model = GetModel();
1692     wxAutoBufferedPaintDC dc( this );
1693
1694 #ifdef __WXMSW__
1695     dc.SetBrush(GetOwner()->GetBackgroundColour());
1696     dc.SetPen( *wxTRANSPARENT_PEN );
1697     dc.DrawRectangle(GetClientSize());
1698 #endif
1699
1700     if ( IsEmpty() )
1701     {
1702         // No items to draw.
1703         return;
1704     }
1705
1706     // prepare the DC
1707     GetOwner()->PrepareDC( dc );
1708     dc.SetFont( GetFont() );
1709
1710     wxRect update = GetUpdateRegion().GetBox();
1711     m_owner->CalcUnscrolledPosition( update.x, update.y, &update.x, &update.y );
1712
1713     // compute which items needs to be redrawn
1714     unsigned int item_start = GetLineAt( wxMax(0,update.y) );
1715     unsigned int item_count =
1716         wxMin( (int)(  GetLineAt( wxMax(0,update.y+update.height) ) - item_start + 1),
1717             (int)(GetRowCount( ) - item_start));
1718     unsigned int item_last = item_start + item_count;
1719
1720     // Send the event to wxDataViewCtrl itself.
1721     wxWindow * const parent = GetParent();
1722     wxDataViewEvent cache_event(wxEVT_COMMAND_DATAVIEW_CACHE_HINT, parent->GetId());
1723     cache_event.SetEventObject(parent);
1724     cache_event.SetCache(item_start, item_last - 1);
1725     parent->ProcessWindowEvent(cache_event);
1726
1727     // compute which columns needs to be redrawn
1728     unsigned int cols = GetOwner()->GetColumnCount();
1729     if ( !cols )
1730     {
1731         // we assume that we have at least one column below and painting an
1732         // empty control is unnecessary anyhow
1733         return;
1734     }
1735
1736     unsigned int col_start = 0;
1737     unsigned int x_start;
1738     for (x_start = 0; col_start < cols; col_start++)
1739     {
1740         wxDataViewColumn *col = GetOwner()->GetColumnAt(col_start);
1741         if (col->IsHidden())
1742             continue;      // skip it!
1743
1744         unsigned int w = col->GetWidth();
1745         if (x_start+w >= (unsigned int)update.x)
1746             break;
1747
1748         x_start += w;
1749     }
1750
1751     unsigned int col_last = col_start;
1752     unsigned int x_last = x_start;
1753     for (; col_last < cols; col_last++)
1754     {
1755         wxDataViewColumn *col = GetOwner()->GetColumnAt(col_last);
1756         if (col->IsHidden())
1757             continue;      // skip it!
1758
1759         if (x_last > (unsigned int)update.GetRight())
1760             break;
1761
1762         x_last += col->GetWidth();
1763     }
1764
1765     // Draw background of alternate rows specially if required
1766     if ( m_owner->HasFlag(wxDV_ROW_LINES) )
1767     {
1768         wxColour altRowColour = m_owner->m_alternateRowColour;
1769         if ( !altRowColour.IsOk() )
1770         {
1771             // Determine the alternate rows colour automatically from the
1772             // background colour.
1773             const wxColour bgColour = m_owner->GetBackgroundColour();
1774
1775             // Depending on the background, alternate row color
1776             // will be 3% more dark or 50% brighter.
1777             int alpha = bgColour.GetRGB() > 0x808080 ? 97 : 150;
1778             altRowColour = bgColour.ChangeLightness(alpha);
1779         }
1780
1781         dc.SetPen(*wxTRANSPARENT_PEN);
1782         dc.SetBrush(wxBrush(altRowColour));
1783
1784         for (unsigned int item = item_start; item < item_last; item++)
1785         {
1786             if ( item % 2 )
1787             {
1788                 dc.DrawRectangle(x_start,
1789                                  GetLineStart(item),
1790                                  GetClientSize().GetWidth(),
1791                                  GetLineHeight(item));
1792             }
1793         }
1794     }
1795
1796     // Draw horizontal rules if required
1797     if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
1798     {
1799         dc.SetPen(m_penRule);
1800         dc.SetBrush(*wxTRANSPARENT_BRUSH);
1801
1802         for (unsigned int i = item_start; i <= item_last; i++)
1803         {
1804             int y = GetLineStart( i );
1805             dc.DrawLine(x_start, y, x_last, y);
1806         }
1807     }
1808
1809     // Draw vertical rules if required
1810     if ( m_owner->HasFlag(wxDV_VERT_RULES) )
1811     {
1812         dc.SetPen(m_penRule);
1813         dc.SetBrush(*wxTRANSPARENT_BRUSH);
1814
1815         // NB: Vertical rules are drawn in the last pixel of a column so that
1816         //     they align perfectly with native MSW wxHeaderCtrl as well as for
1817         //     consistency with MSW native list control. There's no vertical
1818         //     rule at the most-left side of the control.
1819
1820         int x = x_start - 1;
1821         for (unsigned int i = col_start; i < col_last; i++)
1822         {
1823             wxDataViewColumn *col = GetOwner()->GetColumnAt(i);
1824             if (col->IsHidden())
1825                 continue;       // skip it
1826
1827             x += col->GetWidth();
1828
1829             dc.DrawLine(x, GetLineStart( item_start ),
1830                         x, GetLineStart( item_last ) );
1831         }
1832     }
1833
1834     // redraw the background for the items which are selected/current
1835     for (unsigned int item = item_start; item < item_last; item++)
1836     {
1837         bool selected = m_selection.Index( item ) != wxNOT_FOUND;
1838
1839         if (selected || item == m_currentRow)
1840         {
1841             wxRect rect( x_start, GetLineStart( item ),
1842                          x_last - x_start, GetLineHeight( item ) );
1843
1844             // draw selection and whole-item focus:
1845             if ( selected )
1846             {
1847                 int flags = wxCONTROL_SELECTED;
1848                 if (m_hasFocus)
1849                     flags |= wxCONTROL_FOCUSED;
1850
1851                 wxRendererNative::Get().DrawItemSelectionRect
1852                                     (
1853                                         this,
1854                                         dc,
1855                                         rect,
1856                                         flags
1857                                     );
1858             }
1859
1860             // draw keyboard focus rect if applicable
1861             if ( item == m_currentRow && m_hasFocus )
1862             {
1863                 bool renderColumnFocus = false;
1864
1865                 if ( m_useCellFocus && m_currentCol && m_currentColSetByKeyboard )
1866                 {
1867                     renderColumnFocus = true;
1868
1869                     // If this is container node without columns, render full-row focus:
1870                     if ( !IsList() )
1871                     {
1872                         wxDataViewTreeNode *node = GetTreeNodeByRow(item);
1873                         if ( node->HasChildren() && !model->HasContainerColumns(node->GetItem()) )
1874                             renderColumnFocus = false;
1875                     }
1876                 }
1877
1878                 if ( renderColumnFocus )
1879                 {
1880                     for ( unsigned int i = col_start; i < col_last; i++ )
1881                     {
1882                         wxDataViewColumn *col = GetOwner()->GetColumnAt(i);
1883                         if ( col->IsHidden() )
1884                             continue;
1885
1886                         rect.width = col->GetWidth();
1887
1888                         if ( col == m_currentCol )
1889                         {
1890                             // make the rect more visible by adding a small
1891                             // margin around it:
1892                             rect.Deflate(1, 1);
1893
1894                             if ( selected )
1895                             {
1896                                 // DrawFocusRect() uses XOR and is all but
1897                                 // invisible against dark-blue background. Use
1898                                 // the same color used for selected text.
1899                                 DrawSelectedCellFocusRect(dc, rect);
1900                             }
1901                             else
1902                             {
1903                                 wxRendererNative::Get().DrawFocusRect
1904                                                     (
1905                                                         this,
1906                                                         dc,
1907                                                         rect,
1908                                                         0
1909                                                 );
1910                             }
1911                             break;
1912                         }
1913
1914                         rect.x += rect.width;
1915                     }
1916                 }
1917                 else
1918                 {
1919                     // render focus rectangle for the whole row
1920                     wxRendererNative::Get().DrawFocusRect
1921                                         (
1922                                             this,
1923                                             dc,
1924                                             rect,
1925                                             selected ? (int)wxCONTROL_SELECTED : 0
1926                                         );
1927                 }
1928             }
1929         }
1930     }
1931
1932 #if wxUSE_DRAG_AND_DROP
1933     if (m_dropHint)
1934     {
1935         wxRect rect( x_start, GetLineStart( m_dropHintLine ),
1936                      x_last - x_start, GetLineHeight( m_dropHintLine ) );
1937         dc.SetPen( *wxBLACK_PEN );
1938         dc.SetBrush( *wxTRANSPARENT_BRUSH );
1939         dc.DrawRectangle( rect );
1940     }
1941 #endif // wxUSE_DRAG_AND_DROP
1942
1943     wxDataViewColumn * const
1944         expander = GetExpanderColumnOrFirstOne(GetOwner());
1945
1946     // redraw all cells for all rows which must be repainted and all columns
1947     wxRect cell_rect;
1948     cell_rect.x = x_start;
1949     for (unsigned int i = col_start; i < col_last; i++)
1950     {
1951         wxDataViewColumn *col = GetOwner()->GetColumnAt( i );
1952         wxDataViewRenderer *cell = col->GetRenderer();
1953         cell_rect.width = col->GetWidth();
1954
1955         if ( col->IsHidden() || cell_rect.width <= 0 )
1956             continue;       // skip it!
1957
1958         for (unsigned int item = item_start; item < item_last; item++)
1959         {
1960             // get the cell value and set it into the renderer
1961             wxDataViewTreeNode *node = NULL;
1962             wxDataViewItem dataitem;
1963
1964             if (!IsVirtualList())
1965             {
1966                 node = GetTreeNodeByRow(item);
1967                 if( node == NULL )
1968                     continue;
1969
1970                 dataitem = node->GetItem();
1971
1972                 // Skip all columns of "container" rows except the expander
1973                 // column itself unless HasContainerColumns() overrides this.
1974                 if ( col != expander &&
1975                         model->IsContainer(dataitem) &&
1976                             !model->HasContainerColumns(dataitem) )
1977                     continue;
1978             }
1979             else
1980             {
1981                 dataitem = wxDataViewItem( wxUIntToPtr(item+1) );
1982             }
1983
1984             cell->PrepareForItem(model, dataitem, col->GetModelColumn());
1985
1986             // update cell_rect
1987             cell_rect.y = GetLineStart( item );
1988             cell_rect.height = GetLineHeight( item );
1989
1990             // draw the background
1991             bool selected = m_selection.Index( item ) != wxNOT_FOUND;
1992             if ( !selected )
1993                 DrawCellBackground( cell, dc, cell_rect );
1994
1995             // deal with the expander
1996             int indent = 0;
1997             if ((!IsList()) && (col == expander))
1998             {
1999                 // Calculate the indent first
2000                 indent = GetOwner()->GetIndent() * node->GetIndentLevel();
2001
2002                 // we reserve m_lineHeight of horizontal space for the expander
2003                 // but leave EXPANDER_MARGIN around the expander itself
2004                 int exp_x = cell_rect.x + indent + EXPANDER_MARGIN;
2005
2006                 indent += m_lineHeight;
2007
2008                 // draw expander if needed and visible
2009                 if ( node->HasChildren() && exp_x < cell_rect.GetRight() )
2010                 {
2011                     dc.SetPen( m_penExpander );
2012                     dc.SetBrush( wxNullBrush );
2013
2014                     int exp_size = m_lineHeight - 2*EXPANDER_MARGIN;
2015                     int exp_y = cell_rect.y + (cell_rect.height - exp_size)/2
2016                                    + EXPANDER_MARGIN - EXPANDER_OFFSET;
2017
2018                     const wxRect rect(exp_x, exp_y, exp_size, exp_size);
2019
2020                     int flag = 0;
2021                     if ( m_underMouse == node )
2022                         flag |= wxCONTROL_CURRENT;
2023                     if ( node->IsOpen() )
2024                         flag |= wxCONTROL_EXPANDED;
2025
2026                     // ensure that we don't overflow the cell (which might
2027                     // happen if the column is very narrow)
2028                     wxDCClipper clip(dc, cell_rect);
2029
2030                     wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);
2031                 }
2032
2033                 // force the expander column to left-center align
2034                 cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
2035             }
2036
2037             wxRect item_rect = cell_rect;
2038             item_rect.Deflate(PADDING_RIGHTLEFT, 0);
2039
2040             // account for the tree indent (harmless if we're not indented)
2041             item_rect.x += indent;
2042             item_rect.width -= indent;
2043
2044             if ( item_rect.width <= 0 )
2045                 continue;
2046
2047             int state = 0;
2048             if (m_hasFocus && selected)
2049                 state |= wxDATAVIEW_CELL_SELECTED;
2050
2051             // TODO: it would be much more efficient to create a clipping
2052             //       region for the entire column being rendered (in the OnPaint
2053             //       of wxDataViewMainWindow) instead of a single clip region for
2054             //       each cell. However it would mean that each renderer should
2055             //       respect the given wxRect's top & bottom coords, eventually
2056             //       violating only the left & right coords - however the user can
2057             //       make its own renderer and thus we cannot be sure of that.
2058             wxDCClipper clip(dc, item_rect);
2059
2060             cell->WXCallRender(item_rect, &dc, state);
2061         }
2062
2063         cell_rect.x += cell_rect.width;
2064     }
2065 }
2066
2067
2068 void wxDataViewMainWindow::DrawCellBackground( wxDataViewRenderer* cell, wxDC& dc, const wxRect& rect )
2069 {
2070     wxRect rectBg( rect );
2071
2072     // don't overlap the horizontal rules
2073     if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
2074     {
2075         rectBg.x++;
2076         rectBg.width--;
2077     }
2078
2079     // don't overlap the vertical rules
2080     if ( m_owner->HasFlag(wxDV_VERT_RULES) )
2081     {
2082         rectBg.y++;
2083         rectBg.height--;
2084     }
2085
2086     cell->RenderBackground(&dc, rectBg);
2087 }
2088
2089 void wxDataViewMainWindow::OnRenameTimer()
2090 {
2091     // We have to call this here because changes may just have
2092     // been made and no screen update taken place.
2093     if ( m_dirty )
2094     {
2095         // TODO: use wxTheApp->SafeYieldFor(NULL, wxEVT_CATEGORY_UI) instead
2096         //       (needs to be tested!)
2097         wxSafeYield();
2098     }
2099
2100     wxDataViewItem item = GetItemByRow( m_currentRow );
2101
2102     StartEditing( item, m_currentCol );
2103 }
2104
2105 void
2106 wxDataViewMainWindow::StartEditing(const wxDataViewItem& item,
2107                                    const wxDataViewColumn* col)
2108 {
2109     wxDataViewRenderer* renderer = col->GetRenderer();
2110     if ( !IsCellEditableInMode(item, col, wxDATAVIEW_CELL_EDITABLE) )
2111         return;
2112
2113     const wxRect itemRect = GetItemRect(item, col);
2114     if ( renderer->StartEditing(item, itemRect) )
2115     {
2116         // Save the renderer to be able to finish/cancel editing it later and
2117         // save the control to be able to detect if we're still editing it.
2118         m_editorRenderer = renderer;
2119         m_editorCtrl = renderer->GetEditorCtrl();
2120     }
2121 }
2122
2123 //-----------------------------------------------------------------------------
2124 // Helper class for do operation on the tree node
2125 //-----------------------------------------------------------------------------
2126 class DoJob
2127 {
2128 public:
2129     DoJob() { }
2130     virtual ~DoJob() { }
2131
2132     // The return value control how the tree-walker tranverse the tree
2133     enum
2134     {
2135         DONE,          // Job done, stop traversing and return
2136         SKIP_SUBTREE,  // Ignore the current node's subtree and continue
2137         CONTINUE       // Job not done, continue
2138     };
2139
2140     virtual int operator() ( wxDataViewTreeNode * node ) = 0;
2141 };
2142
2143 bool Walker( wxDataViewTreeNode * node, DoJob & func )
2144 {
2145     wxCHECK_MSG( node, false, "can't walk NULL node" );
2146
2147     switch( func( node ) )
2148     {
2149         case DoJob::DONE:
2150             return true;
2151         case DoJob::SKIP_SUBTREE:
2152             return false;
2153         case DoJob::CONTINUE:
2154             break;
2155     }
2156
2157     if ( node->HasChildren() )
2158     {
2159         const wxDataViewTreeNodes& nodes = node->GetChildNodes();
2160
2161         for ( wxDataViewTreeNodes::const_iterator i = nodes.begin();
2162               i != nodes.end();
2163               ++i )
2164         {
2165             if ( Walker(*i, func) )
2166                 return true;
2167         }
2168     }
2169
2170     return false;
2171 }
2172
2173 bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
2174 {
2175     if (IsVirtualList())
2176     {
2177         wxDataViewVirtualListModel *list_model =
2178             (wxDataViewVirtualListModel*) GetModel();
2179         m_count = list_model->GetCount();
2180     }
2181     else
2182     {
2183         SortPrepare();
2184
2185         wxDataViewTreeNode *parentNode = FindNode(parent);
2186
2187         if ( !parentNode )
2188             return false;
2189
2190         wxDataViewItemArray modelSiblings;
2191         GetModel()->GetChildren(parent, modelSiblings);
2192         const int modelSiblingsSize = modelSiblings.size();
2193
2194         int posInModel = modelSiblings.Index(item, /*fromEnd=*/true);
2195         wxCHECK_MSG( posInModel != wxNOT_FOUND, false, "adding non-existent item?" );
2196
2197         wxDataViewTreeNode *itemNode = new wxDataViewTreeNode(parentNode, item);
2198         itemNode->SetHasChildren(GetModel()->IsContainer(item));
2199
2200         parentNode->SetHasChildren(true);
2201
2202         const wxDataViewTreeNodes& nodeSiblings = parentNode->GetChildNodes();
2203         const int nodeSiblingsSize = nodeSiblings.size();
2204
2205         int nodePos = 0;
2206
2207         if ( posInModel == modelSiblingsSize - 1 )
2208         {
2209             nodePos = nodeSiblingsSize;
2210         }
2211         else if ( modelSiblingsSize == nodeSiblingsSize + 1 )
2212         {
2213             // This is the simple case when our node tree already matches the
2214             // model and only this one item is missing.
2215             nodePos = posInModel;
2216         }
2217         else
2218         {
2219             // It's possible that a larger discrepancy between the model and
2220             // our realization exists. This can happen e.g. when adding a bunch
2221             // of items to the model and then calling ItemsAdded() just once
2222             // afterwards. In this case, we must find the right position by
2223             // looking at sibling items.
2224
2225             // append to the end if we won't find a better position:
2226             nodePos = nodeSiblingsSize;
2227
2228             for ( int nextItemPos = posInModel + 1;
2229                   nextItemPos < modelSiblingsSize;
2230                   nextItemPos++ )
2231             {
2232                 int nextNodePos = parentNode->FindChildByItem(modelSiblings[nextItemPos]);
2233                 if ( nextNodePos != wxNOT_FOUND )
2234                 {
2235                     nodePos = nextNodePos;
2236                     break;
2237                 }
2238             }
2239         }
2240
2241         parentNode->ChangeSubTreeCount(+1);
2242         parentNode->InsertChild(itemNode, nodePos);
2243
2244         m_count = -1;
2245     }
2246
2247     GetOwner()->InvalidateColBestWidths();
2248     UpdateDisplay();
2249
2250     return true;
2251 }
2252
2253 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
2254                                        const wxDataViewItem& item)
2255 {
2256     if (IsVirtualList())
2257     {
2258         wxDataViewVirtualListModel *list_model =
2259             (wxDataViewVirtualListModel*) GetModel();
2260         m_count = list_model->GetCount();
2261
2262         if ( !m_selection.empty() )
2263         {
2264             const int row = GetRowByItem(item);
2265
2266             int rowIndexInSelection = wxNOT_FOUND;
2267
2268             const size_t selCount = m_selection.size();
2269             for ( size_t i = 0; i < selCount; i++ )
2270             {
2271                 if ( m_selection[i] == (unsigned)row )
2272                     rowIndexInSelection = i;
2273                 else if ( m_selection[i] > (unsigned)row )
2274                     m_selection[i]--;
2275             }
2276
2277             if ( rowIndexInSelection != wxNOT_FOUND )
2278                 m_selection.RemoveAt(rowIndexInSelection);
2279         }
2280
2281     }
2282     else // general case
2283     {
2284         wxDataViewTreeNode *parentNode = FindNode(parent);
2285
2286         // Notice that it is possible that the item being deleted is not in the
2287         // tree at all, for example we could be deleting a never shown (because
2288         // collapsed) item in a tree model. So it's not an error if we don't know
2289         // about this item, just return without doing anything then.
2290         if ( !parentNode )
2291             return true;
2292
2293         wxCHECK_MSG( parentNode->HasChildren(), false, "parent node doesn't have children?" );
2294         const wxDataViewTreeNodes& parentsChildren = parentNode->GetChildNodes();
2295
2296         // We can't use FindNode() to find 'item', because it was already
2297         // removed from the model by the time ItemDeleted() is called, so we
2298         // have to do it manually. We keep track of its position as well for
2299         // later use.
2300         int itemPosInNode = 0;
2301         wxDataViewTreeNode *itemNode = NULL;
2302         for ( wxDataViewTreeNodes::const_iterator i = parentsChildren.begin();
2303               i != parentsChildren.end();
2304               ++i, ++itemPosInNode )
2305         {
2306             if( (*i)->GetItem() == item )
2307             {
2308                 itemNode = *i;
2309                 break;
2310             }
2311         }
2312
2313         // If the parent wasn't expanded, it's possible that we didn't have a
2314         // node corresponding to 'item' and so there's nothing left to do.
2315         if ( !itemNode )
2316         {
2317             // If this was the last child to be removed, it's possible the parent
2318             // node became a leaf. Let's ask the model about it.
2319             if ( parentNode->GetChildNodes().empty() )
2320                 parentNode->SetHasChildren(GetModel()->IsContainer(parent));
2321
2322             return true;
2323         }
2324
2325         // Delete the item from wxDataViewTreeNode representation:
2326         const int itemsDeleted = 1 + itemNode->GetSubTreeCount();
2327
2328         parentNode->RemoveChild(itemNode);
2329         delete itemNode;
2330         parentNode->ChangeSubTreeCount(-itemsDeleted);
2331
2332         // Make the row number invalid and get a new valid one when user call GetRowCount
2333         m_count = -1;
2334
2335         // If this was the last child to be removed, it's possible the parent
2336         // node became a leaf. Let's ask the model about it.
2337         if ( parentNode->GetChildNodes().empty() )
2338             parentNode->SetHasChildren(GetModel()->IsContainer(parent));
2339
2340         // Update selection by removing 'item' and its entire children tree from the selection.
2341         if ( !m_selection.empty() )
2342         {
2343             // we can't call GetRowByItem() on 'item', as it's already deleted, so compute it from
2344             // the parent ('parentNode') and position in its list of children
2345             int itemRow;
2346             if ( itemPosInNode == 0 )
2347             {
2348                 // 1st child, row number is that of the parent parentNode + 1
2349                 itemRow = GetRowByItem(parentNode->GetItem()) + 1;
2350             }
2351             else
2352             {
2353                 // row number is that of the sibling above 'item' + its subtree if any + 1
2354                 const wxDataViewTreeNode *siblingNode = parentNode->GetChildNodes()[itemPosInNode - 1];
2355
2356                 itemRow = GetRowByItem(siblingNode->GetItem()) +
2357                           siblingNode->GetSubTreeCount() +
2358                           1;
2359             }
2360
2361             wxDataViewSelection newsel(wxDataViewSelectionCmp);
2362
2363             const size_t numSelections = m_selection.size();
2364             for ( size_t i = 0; i < numSelections; ++i )
2365             {
2366                 const int s = m_selection[i];
2367                 if ( s < itemRow )
2368                     newsel.push_back(s);
2369                 else if ( s >= itemRow + itemsDeleted )
2370                     newsel.push_back(s - itemsDeleted);
2371                 // else: deleted item, remove from selection
2372             }
2373
2374             m_selection = newsel;
2375         }
2376     }
2377
2378     // Change the current row to the last row if the current exceed the max row number
2379     if( m_currentRow > GetRowCount() )
2380         ChangeCurrentRow(m_count - 1);
2381
2382     GetOwner()->InvalidateColBestWidths();
2383     UpdateDisplay();
2384
2385     return true;
2386 }
2387
2388 bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
2389 {
2390     SortPrepare();
2391     g_model->Resort();
2392
2393     GetOwner()->InvalidateColBestWidths();
2394
2395     // Send event
2396     wxWindow *parent = GetParent();
2397     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2398     le.SetEventObject(parent);
2399     le.SetModel(GetModel());
2400     le.SetItem(item);
2401     parent->ProcessWindowEvent(le);
2402
2403     return true;
2404 }
2405
2406 bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int model_column )
2407 {
2408     int view_column = -1;
2409     unsigned int n_col = m_owner->GetColumnCount();
2410     for (unsigned i = 0; i < n_col; i++)
2411     {
2412         wxDataViewColumn *column = m_owner->GetColumn( i );
2413         if (column->GetModelColumn() == model_column)
2414         {
2415             view_column = (int) i;
2416             break;
2417         }
2418     }
2419     if (view_column == -1)
2420         return false;
2421
2422     // NOTE: to be valid, we cannot use e.g. INT_MAX - 1
2423 /*#define MAX_VIRTUAL_WIDTH       100000
2424
2425     wxRect rect( 0, row*m_lineHeight, MAX_VIRTUAL_WIDTH, m_lineHeight );
2426     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2427     Refresh( true, &rect );
2428
2429     return true;
2430 */
2431     SortPrepare();
2432     g_model->Resort();
2433
2434     GetOwner()->InvalidateColBestWidth(view_column);
2435
2436     // Send event
2437     wxWindow *parent = GetParent();
2438     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2439     le.SetEventObject(parent);
2440     le.SetModel(GetModel());
2441     le.SetItem(item);
2442     le.SetColumn(view_column);
2443     le.SetDataViewColumn(GetOwner()->GetColumn(view_column));
2444     parent->ProcessWindowEvent(le);
2445
2446     return true;
2447 }
2448
2449 bool wxDataViewMainWindow::Cleared()
2450 {
2451     DestroyTree();
2452     m_selection.Clear();
2453
2454     SortPrepare();
2455     BuildTree( GetModel() );
2456
2457     GetOwner()->InvalidateColBestWidths();
2458     UpdateDisplay();
2459
2460     return true;
2461 }
2462
2463 void wxDataViewMainWindow::UpdateDisplay()
2464 {
2465     m_dirty = true;
2466     m_underMouse = NULL;
2467 }
2468
2469 void wxDataViewMainWindow::OnInternalIdle()
2470 {
2471     wxWindow::OnInternalIdle();
2472
2473     if (m_dirty)
2474     {
2475         RecalculateDisplay();
2476         m_dirty = false;
2477     }
2478 }
2479
2480 void wxDataViewMainWindow::RecalculateDisplay()
2481 {
2482     wxDataViewModel *model = GetModel();
2483     if (!model)
2484     {
2485         Refresh();
2486         return;
2487     }
2488
2489     int width = GetEndOfLastCol();
2490     int height = GetLineStart( GetRowCount() );
2491
2492     SetVirtualSize( width, height );
2493     GetOwner()->SetScrollRate( 10, m_lineHeight );
2494
2495     Refresh();
2496 }
2497
2498 void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
2499 {
2500     m_underMouse = NULL;
2501
2502     wxWindow::ScrollWindow( dx, dy, rect );
2503
2504     if (GetOwner()->m_headerArea)
2505         GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
2506 }
2507
2508 void wxDataViewMainWindow::ScrollTo( int rows, int column )
2509 {
2510     m_underMouse = NULL;
2511
2512     int x, y;
2513     m_owner->GetScrollPixelsPerUnit( &x, &y );
2514     int sy = GetLineStart( rows )/y;
2515     int sx = -1;
2516     if( column != -1 )
2517     {
2518         wxRect rect = GetClientRect();
2519         int colnum = 0;
2520         int x_start, w = 0;
2521         int xx, yy, xe;
2522         m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy );
2523         for (x_start = 0; colnum < column; colnum++)
2524         {
2525             wxDataViewColumn *col = GetOwner()->GetColumnAt(colnum);
2526             if (col->IsHidden())
2527                 continue;      // skip it!
2528
2529             w = col->GetWidth();
2530             x_start += w;
2531         }
2532
2533         int x_end = x_start + w;
2534         xe = xx + rect.width;
2535         if( x_end > xe )
2536         {
2537             sx = ( xx + x_end - xe )/x;
2538         }
2539         if( x_start < xx )
2540         {
2541             sx = x_start/x;
2542         }
2543     }
2544     m_owner->Scroll( sx, sy );
2545 }
2546
2547 int wxDataViewMainWindow::GetCountPerPage() const
2548 {
2549     wxSize size = GetClientSize();
2550     return size.y / m_lineHeight;
2551 }
2552
2553 int wxDataViewMainWindow::GetEndOfLastCol() const
2554 {
2555     int width = 0;
2556     unsigned int i;
2557     for (i = 0; i < GetOwner()->GetColumnCount(); i++)
2558     {
2559         const wxDataViewColumn *c =
2560             const_cast<wxDataViewCtrl*>(GetOwner())->GetColumnAt( i );
2561
2562         if (!c->IsHidden())
2563             width += c->GetWidth();
2564     }
2565     return width;
2566 }
2567
2568 unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
2569 {
2570     int x = 0;
2571     int y = 0;
2572     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
2573
2574     return GetLineAt( y );
2575 }
2576
2577 unsigned int wxDataViewMainWindow::GetLastVisibleRow()
2578 {
2579     wxSize client_size = GetClientSize();
2580     m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
2581                                     &client_size.x, &client_size.y );
2582
2583     // we should deal with the pixel here
2584     unsigned int row = GetLineAt(client_size.y) - 1;
2585
2586     return wxMin( GetRowCount()-1, row );
2587 }
2588
2589 unsigned int wxDataViewMainWindow::GetRowCount() const
2590 {
2591     if ( m_count == -1 )
2592     {
2593         wxDataViewMainWindow* const
2594             self = const_cast<wxDataViewMainWindow*>(this);
2595         self->m_count = RecalculateCount();
2596         self->UpdateDisplay();
2597     }
2598     return m_count;
2599 }
2600
2601 void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
2602 {
2603     m_currentRow = row;
2604
2605     // send event
2606 }
2607
2608 void wxDataViewMainWindow::SelectAllRows( bool on )
2609 {
2610     if (IsEmpty())
2611         return;
2612
2613     if (on)
2614     {
2615         m_selection.Clear();
2616         for (unsigned int i = 0; i < GetRowCount(); i++)
2617             m_selection.Add( i );
2618         Refresh();
2619     }
2620     else
2621     {
2622         unsigned int first_visible = GetFirstVisibleRow();
2623         unsigned int last_visible = GetLastVisibleRow();
2624         unsigned int i;
2625         for (i = 0; i < m_selection.GetCount(); i++)
2626         {
2627             unsigned int row = m_selection[i];
2628             if ((row >= first_visible) && (row <= last_visible))
2629                 RefreshRow( row );
2630         }
2631         m_selection.Clear();
2632     }
2633 }
2634
2635 void wxDataViewMainWindow::SelectRow( unsigned int row, bool on )
2636 {
2637     if (m_selection.Index( row ) == wxNOT_FOUND)
2638     {
2639         if (on)
2640         {
2641             m_selection.Add( row );
2642             RefreshRow( row );
2643         }
2644     }
2645     else
2646     {
2647         if (!on)
2648         {
2649             m_selection.Remove( row );
2650             RefreshRow( row );
2651         }
2652     }
2653 }
2654
2655 void wxDataViewMainWindow::SelectRows( unsigned int from, unsigned int to, bool on )
2656 {
2657     if (from > to)
2658     {
2659         unsigned int tmp = from;
2660         from = to;
2661         to = tmp;
2662     }
2663
2664     unsigned int i;
2665     for (i = from; i <= to; i++)
2666     {
2667         if (m_selection.Index( i ) == wxNOT_FOUND)
2668         {
2669             if (on)
2670                 m_selection.Add( i );
2671         }
2672         else
2673         {
2674             if (!on)
2675                 m_selection.Remove( i );
2676         }
2677     }
2678     RefreshRows( from, to );
2679 }
2680
2681 void wxDataViewMainWindow::Select( const wxArrayInt& aSelections )
2682 {
2683     for (size_t i=0; i < aSelections.GetCount(); i++)
2684     {
2685         int n = aSelections[i];
2686
2687         m_selection.Add( n );
2688         RefreshRow( n );
2689     }
2690 }
2691
2692 void wxDataViewMainWindow::ReverseRowSelection( unsigned int row )
2693 {
2694     if (m_selection.Index( row ) == wxNOT_FOUND)
2695         m_selection.Add( row );
2696     else
2697         m_selection.Remove( row );
2698     RefreshRow( row );
2699 }
2700
2701 bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
2702 {
2703     return (m_selection.Index( row ) != wxNOT_FOUND);
2704 }
2705
2706 void wxDataViewMainWindow::SendSelectionChangedEvent( const wxDataViewItem& item)
2707 {
2708     wxWindow *parent = GetParent();
2709     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, parent->GetId());
2710
2711     le.SetEventObject(parent);
2712     le.SetModel(GetModel());
2713     le.SetItem( item );
2714
2715     parent->ProcessWindowEvent(le);
2716 }
2717
2718 void wxDataViewMainWindow::RefreshRow( unsigned int row )
2719 {
2720     wxRect rect( 0, GetLineStart( row ), GetEndOfLastCol(), GetLineHeight( row ) );
2721     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2722
2723     wxSize client_size = GetClientSize();
2724     wxRect client_rect( 0, 0, client_size.x, client_size.y );
2725     wxRect intersect_rect = client_rect.Intersect( rect );
2726     if (intersect_rect.width > 0)
2727         Refresh( true, &intersect_rect );
2728 }
2729
2730 void wxDataViewMainWindow::RefreshRows( unsigned int from, unsigned int to )
2731 {
2732     if (from > to)
2733     {
2734         unsigned int tmp = to;
2735         to = from;
2736         from = tmp;
2737     }
2738
2739     wxRect rect( 0, GetLineStart( from ), GetEndOfLastCol(), GetLineStart( (to-from+1) ) );
2740     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2741
2742     wxSize client_size = GetClientSize();
2743     wxRect client_rect( 0, 0, client_size.x, client_size.y );
2744     wxRect intersect_rect = client_rect.Intersect( rect );
2745     if (intersect_rect.width > 0)
2746         Refresh( true, &intersect_rect );
2747 }
2748
2749 void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
2750 {
2751     wxSize client_size = GetClientSize();
2752     int start = GetLineStart( firstRow );
2753     m_owner->CalcScrolledPosition( start, 0, &start, NULL );
2754     if (start > client_size.y) return;
2755
2756     wxRect rect( 0, start, client_size.x, client_size.y - start );
2757
2758     Refresh( true, &rect );
2759 }
2760
2761 wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
2762 {
2763     wxRect rect;
2764     rect.x = 0;
2765     rect.y = GetLineStart( row );
2766     rect.width = GetEndOfLastCol();
2767     rect.height = GetLineHeight( row );
2768
2769     return rect;
2770 }
2771
2772 int wxDataViewMainWindow::GetLineStart( unsigned int row ) const
2773 {
2774     const wxDataViewModel *model = GetModel();
2775
2776     if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2777     {
2778         // TODO make more efficient
2779
2780         int start = 0;
2781
2782         unsigned int r;
2783         for (r = 0; r < row; r++)
2784         {
2785             const wxDataViewTreeNode* node = GetTreeNodeByRow(r);
2786             if (!node) return start;
2787
2788             wxDataViewItem item = node->GetItem();
2789
2790             unsigned int cols = GetOwner()->GetColumnCount();
2791             unsigned int col;
2792             int height = m_lineHeight;
2793             for (col = 0; col < cols; col++)
2794             {
2795                 const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2796                 if (column->IsHidden())
2797                     continue;      // skip it!
2798
2799                 if ((col != 0) &&
2800                     model->IsContainer(item) &&
2801                     !model->HasContainerColumns(item))
2802                     continue;      // skip it!
2803
2804                 wxDataViewRenderer *renderer =
2805                     const_cast<wxDataViewRenderer*>(column->GetRenderer());
2806                 renderer->PrepareForItem(model, item, column->GetModelColumn());
2807
2808                 height = wxMax( height, renderer->GetSize().y );
2809             }
2810
2811             start += height;
2812         }
2813
2814         return start;
2815     }
2816     else
2817     {
2818         return row * m_lineHeight;
2819     }
2820 }
2821
2822 int wxDataViewMainWindow::GetLineAt( unsigned int y ) const
2823 {
2824     const wxDataViewModel *model = GetModel();
2825
2826     // check for the easy case first
2827     if ( !GetOwner()->HasFlag(wxDV_VARIABLE_LINE_HEIGHT) )
2828         return y / m_lineHeight;
2829
2830     // TODO make more efficient
2831     unsigned int row = 0;
2832     unsigned int yy = 0;
2833     for (;;)
2834     {
2835         const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2836         if (!node)
2837         {
2838             // not really correct...
2839             return row + ((y-yy) / m_lineHeight);
2840         }
2841
2842         wxDataViewItem item = node->GetItem();
2843
2844         unsigned int cols = GetOwner()->GetColumnCount();
2845         unsigned int col;
2846         int height = m_lineHeight;
2847         for (col = 0; col < cols; col++)
2848         {
2849             const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2850             if (column->IsHidden())
2851                 continue;      // skip it!
2852
2853             if ((col != 0) &&
2854                 model->IsContainer(item) &&
2855                 !model->HasContainerColumns(item))
2856                 continue;      // skip it!
2857
2858             wxDataViewRenderer *renderer =
2859                 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2860             renderer->PrepareForItem(model, item, column->GetModelColumn());
2861
2862             height = wxMax( height, renderer->GetSize().y );
2863         }
2864
2865         yy += height;
2866         if (y < yy)
2867             return row;
2868
2869         row++;
2870     }
2871 }
2872
2873 int wxDataViewMainWindow::GetLineHeight( unsigned int row ) const
2874 {
2875     const wxDataViewModel *model = GetModel();
2876
2877     if (GetOwner()->GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT)
2878     {
2879         wxASSERT( !IsVirtualList() );
2880
2881         const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
2882         // wxASSERT( node );
2883         if (!node) return m_lineHeight;
2884
2885         wxDataViewItem item = node->GetItem();
2886
2887         int height = m_lineHeight;
2888
2889         unsigned int cols = GetOwner()->GetColumnCount();
2890         unsigned int col;
2891         for (col = 0; col < cols; col++)
2892         {
2893             const wxDataViewColumn *column = GetOwner()->GetColumn(col);
2894             if (column->IsHidden())
2895                 continue;      // skip it!
2896
2897             if ((col != 0) &&
2898                 model->IsContainer(item) &&
2899                 !model->HasContainerColumns(item))
2900                 continue;      // skip it!
2901
2902             wxDataViewRenderer *renderer =
2903                 const_cast<wxDataViewRenderer*>(column->GetRenderer());
2904             renderer->PrepareForItem(model, item, column->GetModelColumn());
2905
2906             height = wxMax( height, renderer->GetSize().y );
2907         }
2908
2909         return height;
2910     }
2911     else
2912     {
2913         return m_lineHeight;
2914     }
2915 }
2916
2917
2918 class RowToTreeNodeJob: public DoJob
2919 {
2920 public:
2921     RowToTreeNodeJob( unsigned int row , int current, wxDataViewTreeNode * node )
2922     {
2923         this->row = row;
2924         this->current = current;
2925         ret = NULL;
2926         parent = node;
2927     }
2928
2929     virtual int operator() ( wxDataViewTreeNode * node )
2930     {
2931         current ++;
2932         if( current == static_cast<int>(row))
2933         {
2934             ret = node;
2935             return DoJob::DONE;
2936         }
2937
2938         if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2939         {
2940             current += node->GetSubTreeCount();
2941             return  DoJob::SKIP_SUBTREE;
2942         }
2943         else
2944         {
2945             parent = node;
2946
2947             // If the current node has only leaf children, we can find the
2948             // desired node directly. This can speed up finding the node
2949             // in some cases, and will have a very good effect for list views.
2950             if ( node->HasChildren() &&
2951                  (int)node->GetChildNodes().size() == node->GetSubTreeCount() )
2952             {
2953                 const int index = static_cast<int>(row) - current - 1;
2954                 ret = node->GetChildNodes()[index];
2955                 return DoJob::DONE;
2956             }
2957
2958             return DoJob::CONTINUE;
2959         }
2960     }
2961
2962     wxDataViewTreeNode * GetResult() const
2963         { return ret; }
2964
2965 private:
2966     unsigned int row;
2967     int current;
2968     wxDataViewTreeNode * ret;
2969     wxDataViewTreeNode * parent;
2970 };
2971
2972 wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row) const
2973 {
2974     wxASSERT( !IsVirtualList() );
2975
2976     RowToTreeNodeJob job( row , -2, m_root );
2977     Walker( m_root , job );
2978     return job.GetResult();
2979 }
2980
2981 wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
2982 {
2983     wxDataViewItem item;
2984     if (IsVirtualList())
2985     {
2986         if ( row < GetRowCount() )
2987             item = wxDataViewItem(wxUIntToPtr(row+1));
2988     }
2989     else
2990     {
2991         wxDataViewTreeNode *node = GetTreeNodeByRow(row);
2992         if ( node )
2993             item = node->GetItem();
2994     }
2995
2996     return item;
2997 }
2998
2999 bool
3000 wxDataViewMainWindow::SendExpanderEvent(wxEventType type,
3001                                         const wxDataViewItem& item)
3002 {
3003     wxWindow *parent = GetParent();
3004     wxDataViewEvent le(type, parent->GetId());
3005
3006     le.SetEventObject(parent);
3007     le.SetModel(GetModel());
3008     le.SetItem( item );
3009
3010     return !parent->ProcessWindowEvent(le) || le.IsAllowed();
3011 }
3012
3013 bool wxDataViewMainWindow::IsExpanded( unsigned int row ) const
3014 {
3015     if (IsList())
3016         return false;
3017
3018     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
3019     if (!node)
3020         return false;
3021
3022     if (!node->HasChildren())
3023         return false;
3024
3025     return node->IsOpen();
3026 }
3027
3028 bool wxDataViewMainWindow::HasChildren( unsigned int row ) const
3029 {
3030     if (IsList())
3031         return false;
3032
3033     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
3034     if (!node)
3035         return false;
3036
3037     if (!node->HasChildren())
3038         return false;
3039
3040     return true;
3041 }
3042
3043 void wxDataViewMainWindow::Expand( unsigned int row )
3044 {
3045     if (IsList())
3046         return;
3047
3048     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
3049     if (!node)
3050         return;
3051
3052     if (!node->HasChildren())
3053         return;
3054
3055             if (!node->IsOpen())
3056             {
3057                 if ( !SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, node->GetItem()) )
3058                 {
3059                     // Vetoed by the event handler.
3060                     return;
3061                 }
3062
3063                 node->ToggleOpen();
3064
3065                 // build the children of current node
3066                 if( node->GetChildNodes().empty() )
3067                 {
3068                     SortPrepare();
3069                     ::BuildTreeHelper(GetModel(), node->GetItem(), node);
3070                 }
3071
3072                 // By expanding the node all row indices that are currently in the selection list
3073                 // and are greater than our node have become invalid. So we have to correct that now.
3074                 const unsigned rowAdjustment = node->GetSubTreeCount();
3075                 for(unsigned i=0; i<m_selection.size(); ++i)
3076                 {
3077                     const unsigned testRow = m_selection[i];
3078                     // all rows above us are not affected, so skip them
3079                     if(testRow <= row)
3080                         continue;
3081
3082                     m_selection[i] += rowAdjustment;
3083                 }
3084
3085                 if(m_currentRow > row)
3086                     ChangeCurrentRow(m_currentRow + rowAdjustment);
3087
3088                 m_count = -1;
3089                 UpdateDisplay();
3090                 // Send the expanded event
3091                 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
3092             }
3093 }
3094
3095 void wxDataViewMainWindow::Collapse(unsigned int row)
3096 {
3097     if (IsList())
3098         return;
3099
3100     wxDataViewTreeNode *node = GetTreeNodeByRow(row);
3101     if (!node)
3102         return;
3103
3104     if (!node->HasChildren())
3105         return;
3106
3107         if (node->IsOpen())
3108         {
3109             if ( !SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem()) )
3110             {
3111                 // Vetoed by the event handler.
3112                 return;
3113             }
3114
3115             // Find out if there are selected items below the current node.
3116             bool selectCollapsingRow = false;
3117             const unsigned rowAdjustment = node->GetSubTreeCount();
3118             unsigned maxRowToBeTested = row + rowAdjustment;
3119             for(unsigned i=0; i<m_selection.size(); ++i)
3120             {
3121                 const unsigned testRow = m_selection[i];
3122                 if(testRow > row && testRow <= maxRowToBeTested)
3123                 {
3124                     selectCollapsingRow = true;
3125                     // get out as soon as we have found a node that is selected
3126                     break;
3127                 }
3128             }
3129
3130             node->ToggleOpen();
3131
3132             // If the node to be closed has selected items the user won't see those any longer.
3133             // We select the collapsing node in this case.
3134             if(selectCollapsingRow)
3135             {
3136                 SelectAllRows(false);
3137                 ChangeCurrentRow(row);
3138                 SelectRow(row, true);
3139                 SendSelectionChangedEvent(GetItemByRow(row));
3140             }
3141             else
3142             {
3143                 // if there were no selected items below our node we still need to "fix" the
3144                 // selection list to adjust for the changing of the row indices.
3145                 // We actually do the opposite of what we are doing in Expand().
3146                 for(unsigned i=0; i<m_selection.size(); ++i)
3147                 {
3148                     const unsigned testRow = m_selection[i];
3149                     // all rows above us are not affected, so skip them
3150                     if(testRow <= row)
3151                         continue;
3152
3153                     m_selection[i] -= rowAdjustment;
3154                 }
3155
3156                 // if the "current row" is being collapsed away we change it to the current row ;-)
3157                 if(m_currentRow > row && m_currentRow <= maxRowToBeTested)
3158                     ChangeCurrentRow(row);
3159                 else if(m_currentRow > row)
3160                     ChangeCurrentRow(m_currentRow - rowAdjustment);
3161             }
3162
3163             m_count = -1;
3164             UpdateDisplay();
3165             SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,node->GetItem());
3166         }
3167 }
3168
3169 wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
3170 {
3171     const wxDataViewModel * model = GetModel();
3172     if( model == NULL )
3173         return NULL;
3174
3175     if (!item.IsOk())
3176         return m_root;
3177
3178     // Compose the parent-chain for the item we are looking for
3179     wxVector<wxDataViewItem> parentChain;
3180     wxDataViewItem it( item );
3181     while( it.IsOk() )
3182     {
3183         parentChain.push_back(it);
3184         it = model->GetParent(it);
3185     }
3186
3187     // Find the item along the parent-chain.
3188     // This algorithm is designed to speed up the node-finding method
3189     wxDataViewTreeNode* node = m_root;
3190     for( unsigned iter = parentChain.size()-1; ; --iter )
3191     {
3192         if( node->HasChildren() )
3193         {
3194             if( node->GetChildNodes().empty() )
3195             {
3196                 // Even though the item is a container, it doesn't have any
3197                 // child nodes in the control's representation yet. We have
3198                 // to realize its subtree now.
3199                 SortPrepare();
3200                 ::BuildTreeHelper(model, node->GetItem(), node);
3201             }
3202
3203             const wxDataViewTreeNodes& nodes = node->GetChildNodes();
3204             bool found = false;
3205
3206             for (unsigned i = 0; i < nodes.GetCount(); ++i)
3207             {
3208                 wxDataViewTreeNode* currentNode = nodes[i];
3209                 if (currentNode->GetItem() == parentChain[iter])
3210                 {
3211                     if (currentNode->GetItem() == item)
3212                         return currentNode;
3213
3214                     node = currentNode;
3215                     found = true;
3216                     break;
3217                 }
3218             }
3219             if (!found)
3220                 return NULL;
3221         }
3222         else
3223             return NULL;
3224
3225         if ( !iter )
3226             break;
3227     }
3228     return NULL;
3229 }
3230
3231 void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item,
3232                                     wxDataViewColumn* &column )
3233 {
3234     wxDataViewColumn *col = NULL;
3235     unsigned int cols = GetOwner()->GetColumnCount();
3236     unsigned int colnum = 0;
3237     int x, y;
3238     m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y );
3239     for (unsigned x_start = 0; colnum < cols; colnum++)
3240     {
3241         col = GetOwner()->GetColumnAt(colnum);
3242         if (col->IsHidden())
3243             continue;      // skip it!
3244
3245         unsigned int w = col->GetWidth();
3246         if (x_start+w >= (unsigned int)x)
3247             break;
3248
3249         x_start += w;
3250     }
3251
3252     column = col;
3253     item = GetItemByRow( GetLineAt( y ) );
3254 }
3255
3256 wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item,
3257                                           const wxDataViewColumn* column )
3258 {
3259     int xpos = 0;
3260     int width = 0;
3261
3262     unsigned int cols = GetOwner()->GetColumnCount();
3263     // If column is null the loop will compute the combined width of all columns.
3264     // Otherwise, it will compute the x position of the column we are looking for.
3265     for (unsigned int i = 0; i < cols; i++)
3266     {
3267         wxDataViewColumn* col = GetOwner()->GetColumnAt( i );
3268
3269         if (col == column)
3270             break;
3271
3272         if (col->IsHidden())
3273             continue;      // skip it!
3274
3275         xpos += col->GetWidth();
3276         width += col->GetWidth();
3277     }
3278
3279     if(column != 0)
3280     {
3281         // If we have a column, we need can get its width directly.
3282         if(column->IsHidden())
3283             width = 0;
3284         else
3285             width = column->GetWidth();
3286
3287     }
3288     else
3289     {
3290         // If we have no column, we reset the x position back to zero.
3291         xpos = 0;
3292     }
3293
3294     // we have to take an expander column into account and compute its indentation
3295     // to get the correct x position where the actual text is
3296     int indent = 0;
3297     int row = GetRowByItem(item);
3298     if (!IsList() &&
3299             (column == 0 || GetExpanderColumnOrFirstOne(GetOwner()) == column) )
3300     {
3301         wxDataViewTreeNode* node = GetTreeNodeByRow(row);
3302         indent = GetOwner()->GetIndent() * node->GetIndentLevel();
3303         indent = indent + m_lineHeight; // use m_lineHeight as the width of the expander
3304     }
3305
3306     wxRect itemRect( xpos + indent,
3307                      GetLineStart( row ),
3308                      width - indent,
3309                      GetLineHeight( row ) );
3310
3311     GetOwner()->CalcScrolledPosition(  itemRect.x,  itemRect.y,
3312                                       &itemRect.x, &itemRect.y );
3313
3314     return itemRect;
3315 }
3316
3317 int wxDataViewMainWindow::RecalculateCount() const
3318 {
3319     if (IsVirtualList())
3320     {
3321         wxDataViewVirtualListModel *list_model =
3322             (wxDataViewVirtualListModel*) GetModel();
3323
3324         return list_model->GetCount();
3325     }
3326     else
3327     {
3328         return m_root->GetSubTreeCount();
3329     }
3330 }
3331
3332 class ItemToRowJob : public DoJob
3333 {
3334 public:
3335     ItemToRowJob(const wxDataViewItem& item_, wxVector<wxDataViewItem>::reverse_iterator iter)
3336         : m_iter(iter),
3337         item(item_)
3338     {
3339         ret = -1;
3340     }
3341
3342     // Maybe binary search will help to speed up this process
3343     virtual int operator() ( wxDataViewTreeNode * node)
3344     {
3345         ret ++;
3346         if( node->GetItem() == item )
3347         {
3348             return DoJob::DONE;
3349         }
3350
3351         if( node->GetItem() == *m_iter )
3352         {
3353             m_iter++;
3354             return DoJob::CONTINUE;
3355         }
3356         else
3357         {
3358             ret += node->GetSubTreeCount();
3359             return DoJob::SKIP_SUBTREE;
3360         }
3361
3362     }
3363
3364     // the row number is begin from zero
3365     int GetResult() const
3366         { return ret -1; }
3367
3368 private:
3369     wxVector<wxDataViewItem>::reverse_iterator m_iter;
3370     wxDataViewItem item;
3371     int ret;
3372
3373 };
3374
3375 int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item) const
3376 {
3377     const wxDataViewModel * model = GetModel();
3378     if( model == NULL )
3379         return -1;
3380
3381     if (IsVirtualList())
3382     {
3383         return wxPtrToUInt( item.GetID() ) -1;
3384     }
3385     else
3386     {
3387         if( !item.IsOk() )
3388             return -1;
3389
3390         // Compose the parent-chain of the item we are looking for
3391         wxVector<wxDataViewItem> parentChain;
3392         wxDataViewItem it( item );
3393         while( it.IsOk() )
3394         {
3395             parentChain.push_back(it);
3396             it = model->GetParent(it);
3397         }
3398
3399         // add an 'invalid' item to represent our 'invisible' root node
3400         parentChain.push_back(wxDataViewItem());
3401
3402         // the parent chain was created by adding the deepest parent first.
3403         // so if we want to start at the root node, we have to iterate backwards through the vector
3404         ItemToRowJob job( item, parentChain.rbegin() );
3405         Walker( m_root, job );
3406         return job.GetResult();
3407     }
3408 }
3409
3410 static void BuildTreeHelper( const wxDataViewModel * model,  const wxDataViewItem & item,
3411                              wxDataViewTreeNode * node)
3412 {
3413     if( !model->IsContainer( item ) )
3414         return;
3415
3416     wxDataViewItemArray children;
3417     unsigned int num = model->GetChildren( item, children);
3418
3419     for ( unsigned int index = 0; index < num; index++ )
3420     {
3421         wxDataViewTreeNode *n = new wxDataViewTreeNode(node, children[index]);
3422
3423         if( model->IsContainer(children[index]) )
3424             n->SetHasChildren( true );
3425
3426         node->InsertChild(n, index);
3427     }
3428
3429     wxASSERT( node->IsOpen() );
3430     node->ChangeSubTreeCount(+num);
3431 }
3432
3433 void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
3434 {
3435     DestroyTree();
3436
3437     if (GetModel()->IsVirtualListModel())
3438     {
3439         m_count = -1;
3440         return;
3441     }
3442
3443     m_root = wxDataViewTreeNode::CreateRootNode();
3444
3445     // First we define a invalid item to fetch the top-level elements
3446     wxDataViewItem item;
3447     SortPrepare();
3448     BuildTreeHelper( model, item, m_root);
3449     m_count = -1;
3450 }
3451
3452 void wxDataViewMainWindow::DestroyTree()
3453 {
3454     if (!IsVirtualList())
3455     {
3456         wxDELETE(m_root);
3457         m_count = 0;
3458     }
3459 }
3460
3461 wxDataViewColumn*
3462 wxDataViewMainWindow::FindColumnForEditing(const wxDataViewItem& item, wxDataViewCellMode mode)
3463 {
3464     // Edit the current column editable in 'mode'. If no column is focused
3465     // (typically because the user has full row selected), try to find the
3466     // first editable column (this would typically be a checkbox for
3467     // wxDATAVIEW_CELL_ACTIVATABLE and we don't want to force the user to set
3468     // focus on the checkbox column; or on the only editable text column).
3469
3470     wxDataViewColumn *candidate = m_currentCol;
3471
3472     if ( candidate &&
3473          !IsCellEditableInMode(item, candidate, mode) &&
3474          !m_currentColSetByKeyboard )
3475     {
3476         // If current column was set by mouse to something not editable (in
3477         // 'mode') and the user pressed Space/F2 to edit it, treat the
3478         // situation as if there was whole-row focus, because that's what is
3479         // visually indicated and the mouse click could very well be targeted
3480         // on the row rather than on an individual cell.
3481         //
3482         // But if it was done by keyboard, respect that even if the column
3483         // isn't editable, because focus is visually on that column and editing
3484         // something else would be surprising.
3485         candidate = NULL;
3486     }
3487
3488     if ( !candidate )
3489     {
3490         const unsigned cols = GetOwner()->GetColumnCount();
3491         for ( unsigned i = 0; i < cols; i++ )
3492         {
3493             wxDataViewColumn *c = GetOwner()->GetColumnAt(i);
3494             if ( c->IsHidden() )
3495                 continue;
3496
3497             if ( IsCellEditableInMode(item, c, mode) )
3498             {
3499                 candidate = c;
3500                 break;
3501             }
3502         }
3503     }
3504
3505     // If on container item without columns, only the expander column
3506     // may be directly editable:
3507     if ( candidate &&
3508          GetOwner()->GetExpanderColumn() != candidate &&
3509          GetModel()->IsContainer(item) &&
3510          !GetModel()->HasContainerColumns(item) )
3511     {
3512         candidate = GetOwner()->GetExpanderColumn();
3513     }
3514
3515     if ( !candidate )
3516        return NULL;
3517
3518    if ( !IsCellEditableInMode(item, candidate, mode) )
3519        return NULL;
3520
3521    return candidate;
3522 }
3523
3524 bool wxDataViewMainWindow::IsCellEditableInMode(const wxDataViewItem& item,
3525                                                 const wxDataViewColumn *col,
3526                                                 wxDataViewCellMode mode) const
3527 {
3528     if ( col->GetRenderer()->GetMode() != mode )
3529         return false;
3530
3531     if ( !GetModel()->IsEnabled(item, col->GetModelColumn()) )
3532         return false;
3533
3534     return true;
3535 }
3536
3537 void wxDataViewMainWindow::OnCharHook(wxKeyEvent& event)
3538 {
3539     if ( m_editorCtrl )
3540     {
3541         // Handle any keys special for the in-place editor and return without
3542         // calling Skip() below.
3543         switch ( event.GetKeyCode() )
3544         {
3545             case WXK_ESCAPE:
3546                 m_editorRenderer->CancelEditing();
3547                 return;
3548
3549             case WXK_RETURN:
3550                 m_editorRenderer->FinishEditing();
3551                 return;
3552         }
3553     }
3554
3555     event.Skip();
3556 }
3557
3558 void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
3559 {
3560     wxWindow * const parent = GetParent();
3561
3562     // propagate the char event upwards
3563     wxKeyEvent eventForParent(event);
3564     eventForParent.SetEventObject(parent);
3565     if ( parent->ProcessWindowEvent(eventForParent) )
3566         return;
3567
3568     if ( parent->HandleAsNavigationKey(event) )
3569         return;
3570
3571     // no item -> nothing to do
3572     if (!HasCurrentRow())
3573     {
3574         event.Skip();
3575         return;
3576     }
3577
3578     // don't use m_linesPerPage directly as it might not be computed yet
3579     const int pageSize = GetCountPerPage();
3580     wxCHECK_RET( pageSize, wxT("should have non zero page size") );
3581
3582     switch ( event.GetKeyCode() )
3583     {
3584         case WXK_RETURN:
3585             if ( event.HasModifiers() )
3586             {
3587                 event.Skip();
3588                 break;
3589             }
3590             else
3591             {
3592                 // Enter activates the item, i.e. sends wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED to
3593                 // it. Only if that event is not handled do we activate column renderer (which
3594                 // is normally done by Space) or even inline editing.
3595
3596                 const wxDataViewItem item = GetItemByRow(m_currentRow);
3597
3598                 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED,
3599                                    parent->GetId());
3600                 le.SetItem(item);
3601                 le.SetEventObject(parent);
3602                 le.SetModel(GetModel());
3603
3604                 if ( parent->ProcessWindowEvent(le) )
3605                     break;
3606                 // else: fall through to WXK_SPACE handling
3607             }
3608
3609         case WXK_SPACE:
3610             if ( event.HasModifiers() )
3611             {
3612                 event.Skip();
3613                 break;
3614             }
3615             else
3616             {
3617                 // Space toggles activatable items or -- if not activatable --
3618                 // starts inline editing (this is normally done using F2 on
3619                 // Windows, but Space is common everywhere else, so use it too
3620                 // for greater cross-platform compatibility).
3621
3622                 const wxDataViewItem item = GetItemByRow(m_currentRow);
3623
3624                 // Activate the current activatable column. If not column is focused (typically
3625                 // because the user has full row selected), try to find the first activatable
3626                 // column (this would typically be a checkbox and we don't want to force the user
3627                 // to set focus on the checkbox column).
3628                 wxDataViewColumn *activatableCol = FindColumnForEditing(item, wxDATAVIEW_CELL_ACTIVATABLE);
3629
3630                 if ( activatableCol )
3631                 {
3632                     const unsigned colIdx = activatableCol->GetModelColumn();
3633                     const wxRect cell_rect = GetOwner()->GetItemRect(item, activatableCol);
3634
3635                     wxDataViewRenderer *cell = activatableCol->GetRenderer();
3636                     cell->PrepareForItem(GetModel(), item, colIdx);
3637                     cell->WXActivateCell(cell_rect, GetModel(), item, colIdx, NULL);
3638
3639                     break;
3640                 }
3641                 // else: fall through to WXK_F2 handling
3642             }
3643
3644         case WXK_F2:
3645             if ( event.HasModifiers() )
3646             {
3647                 event.Skip();
3648                 break;
3649             }
3650             else
3651             {
3652                 if( !m_selection.empty() )
3653                 {
3654                     // Mimic Windows 7 behavior: edit the item that has focus
3655                     // if it is selected and the first selected item if focus
3656                     // is out of selection.
3657                     int sel;
3658                     if ( m_selection.Index(m_currentRow) != wxNOT_FOUND )
3659                         sel = m_currentRow;
3660                     else
3661                         sel = m_selection[0];
3662
3663
3664                     const wxDataViewItem item = GetItemByRow(sel);
3665
3666                     // Edit the current column. If no column is focused
3667                     // (typically because the user has full row selected), try
3668                     // to find the first editable column.
3669                     wxDataViewColumn *editableCol = FindColumnForEditing(item, wxDATAVIEW_CELL_EDITABLE);
3670
3671                     if ( editableCol )
3672                         GetOwner()->EditItem(item, editableCol);
3673                 }
3674             }
3675             break;
3676
3677         case WXK_UP:
3678             if ( m_currentRow > 0 )
3679                 OnVerticalNavigation( m_currentRow - 1, event );
3680             break;
3681
3682         case WXK_DOWN:
3683             if ( m_currentRow + 1 < GetRowCount() )
3684                 OnVerticalNavigation( m_currentRow + 1, event );
3685             break;
3686         // Add the process for tree expanding/collapsing
3687         case WXK_LEFT:
3688             OnLeftKey();
3689             break;
3690
3691         case WXK_RIGHT:
3692             OnRightKey();
3693             break;
3694
3695         case WXK_END:
3696         {
3697             if (!IsEmpty())
3698                 OnVerticalNavigation( GetRowCount() - 1, event );
3699             break;
3700         }
3701         case WXK_HOME:
3702             if (!IsEmpty())
3703                 OnVerticalNavigation( 0, event );
3704             break;
3705
3706         case WXK_PAGEUP:
3707             {
3708                 int steps = pageSize - 1;
3709                 int index = m_currentRow - steps;
3710                 if (index < 0)
3711                     index = 0;
3712
3713                 OnVerticalNavigation( index, event );
3714             }
3715             break;
3716
3717         case WXK_PAGEDOWN:
3718             {
3719                 int steps = pageSize - 1;
3720                 unsigned int index = m_currentRow + steps;
3721                 unsigned int count = GetRowCount();
3722                 if ( index >= count )
3723                     index = count - 1;
3724
3725                 OnVerticalNavigation( index, event );
3726             }
3727             break;
3728
3729         default:
3730             event.Skip();
3731     }
3732 }
3733
3734 void wxDataViewMainWindow::OnVerticalNavigation(unsigned int newCurrent, const wxKeyEvent& event)
3735 {
3736     wxCHECK_RET( newCurrent < GetRowCount(),
3737                 wxT("invalid item index in OnVerticalNavigation()") );
3738
3739     // if there is no selection, we cannot move it anywhere
3740     if (!HasCurrentRow())
3741         return;
3742
3743     unsigned int oldCurrent = m_currentRow;
3744
3745     // in single selection we just ignore Shift as we can't select several
3746     // items anyhow
3747     if ( event.ShiftDown() && !IsSingleSel() )
3748     {
3749         RefreshRow( oldCurrent );
3750
3751         ChangeCurrentRow( newCurrent );
3752
3753         // select all the items between the old and the new one
3754         if ( oldCurrent > newCurrent )
3755         {
3756             newCurrent = oldCurrent;
3757             oldCurrent = m_currentRow;
3758         }
3759
3760         SelectRows( oldCurrent, newCurrent, true );
3761         if (oldCurrent!=newCurrent)
3762             SendSelectionChangedEvent(GetItemByRow(m_selection[0]));
3763     }
3764     else // !shift
3765     {
3766         RefreshRow( oldCurrent );
3767
3768         // all previously selected items are unselected unless ctrl is held
3769         if ( !event.ControlDown() )
3770             SelectAllRows(false);
3771
3772         ChangeCurrentRow( newCurrent );
3773
3774         if ( !event.ControlDown() )
3775         {
3776             SelectRow( m_currentRow, true );
3777             SendSelectionChangedEvent(GetItemByRow(m_currentRow));
3778         }
3779         else
3780             RefreshRow( m_currentRow );
3781     }
3782
3783     GetOwner()->EnsureVisible( m_currentRow, -1 );
3784 }
3785
3786 void wxDataViewMainWindow::OnLeftKey()
3787 {
3788     if ( IsList() )
3789     {
3790         TryAdvanceCurrentColumn(NULL, /*forward=*/false);
3791     }
3792     else
3793     {
3794         wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow);
3795
3796         if ( TryAdvanceCurrentColumn(node, /*forward=*/false) )
3797             return;
3798
3799         // Because TryAdvanceCurrentColumn() return false, we are at the first
3800         // column or using whole-row selection. In this situation, we can use
3801         // the standard TreeView handling of the left key.
3802         if (node->HasChildren() && node->IsOpen())
3803         {
3804             Collapse(m_currentRow);
3805         }
3806         else
3807         {
3808             // if the node is already closed, we move the selection to its parent
3809             wxDataViewTreeNode *parent_node = node->GetParent();
3810
3811             if (parent_node)
3812             {
3813                 int parent = GetRowByItem( parent_node->GetItem() );
3814                 if ( parent >= 0 )
3815                 {
3816                     unsigned int row = m_currentRow;
3817                     SelectRow( row, false);
3818                     SelectRow( parent, true );
3819                     ChangeCurrentRow( parent );
3820                     GetOwner()->EnsureVisible( parent, -1 );
3821                     SendSelectionChangedEvent( parent_node->GetItem() );
3822                 }
3823             }
3824         }
3825     }
3826 }
3827
3828 void wxDataViewMainWindow::OnRightKey()
3829 {
3830     if ( IsList() )
3831     {
3832         TryAdvanceCurrentColumn(NULL, /*forward=*/true);
3833     }
3834     else
3835     {
3836         wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow);
3837
3838         if ( node->HasChildren() )
3839         {
3840             if ( !node->IsOpen() )
3841             {
3842                 Expand( m_currentRow );
3843             }
3844             else
3845             {
3846                 // if the node is already open, we move the selection to the first child
3847                 unsigned int row = m_currentRow;
3848                 SelectRow( row, false );
3849                 SelectRow( row + 1, true );
3850                 ChangeCurrentRow( row + 1 );
3851                 GetOwner()->EnsureVisible( row + 1, -1 );
3852                 SendSelectionChangedEvent( GetItemByRow(row+1) );
3853             }
3854         }
3855         else
3856         {
3857             TryAdvanceCurrentColumn(node, /*forward=*/true);
3858         }
3859     }
3860 }
3861
3862 bool wxDataViewMainWindow::TryAdvanceCurrentColumn(wxDataViewTreeNode *node, bool forward)
3863 {
3864     if ( GetOwner()->GetColumnCount() == 0 )
3865         return false;
3866
3867     if ( !m_useCellFocus )
3868         return false;
3869
3870     if ( node )
3871     {
3872         // navigation shouldn't work in branch nodes without other columns:
3873         if ( node->HasChildren() && !GetModel()->HasContainerColumns(node->GetItem()) )
3874             return false;
3875     }
3876
3877     if ( m_currentCol == NULL || !m_currentColSetByKeyboard )
3878     {
3879         if ( forward )
3880         {
3881             m_currentCol = GetOwner()->GetColumnAt(1);
3882             m_currentColSetByKeyboard = true;
3883             RefreshRow(m_currentRow);
3884             return true;
3885         }
3886         else
3887             return false;
3888     }
3889
3890     int idx = GetOwner()->GetColumnIndex(m_currentCol) + (forward ? +1 : -1);
3891
3892     if ( idx >= (int)GetOwner()->GetColumnCount() )
3893         return false;
3894
3895     GetOwner()->EnsureVisible(m_currentRow, idx);
3896
3897     if ( idx < 1 )
3898     {
3899         // We are going to the left of the second column. Reset to whole-row
3900         // focus (which means first column would be edited).
3901         m_currentCol = NULL;
3902         RefreshRow(m_currentRow);
3903         return true;
3904     }
3905
3906     m_currentCol = GetOwner()->GetColumnAt(idx);
3907     m_currentColSetByKeyboard = true;
3908     RefreshRow(m_currentRow);
3909     return true;
3910 }
3911
3912 void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
3913 {
3914     if (event.GetEventType() == wxEVT_MOUSEWHEEL)
3915     {
3916         // let the base handle mouse wheel events.
3917         event.Skip();
3918         return;
3919     }
3920
3921     // set the focus to ourself if any of the mouse buttons are pressed
3922     if(event.ButtonDown() && !HasFocus())
3923         SetFocus();
3924
3925     int x = event.GetX();
3926     int y = event.GetY();
3927     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
3928     wxDataViewColumn *col = NULL;
3929
3930     int xpos = 0;
3931     unsigned int cols = GetOwner()->GetColumnCount();
3932     unsigned int i;
3933     for (i = 0; i < cols; i++)
3934     {
3935         wxDataViewColumn *c = GetOwner()->GetColumnAt( i );
3936         if (c->IsHidden())
3937             continue;      // skip it!
3938
3939         if (x < xpos + c->GetWidth())
3940         {
3941             col = c;
3942             break;
3943         }
3944         xpos += c->GetWidth();
3945     }
3946
3947     wxDataViewModel* const model = GetModel();
3948
3949     const unsigned int current = GetLineAt( y );
3950     const wxDataViewItem item = GetItemByRow(current);
3951
3952     // Handle right clicking here, before everything else as context menu
3953     // events should be sent even when we click outside of any item, unlike all
3954     // the other ones.
3955     if (event.RightUp())
3956     {
3957         wxWindow *parent = GetParent();
3958         wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, parent->GetId());
3959         le.SetEventObject(parent);
3960         le.SetModel(model);
3961
3962         if ( item.IsOk() && col )
3963         {
3964             le.SetItem( item );
3965             le.SetColumn( col->GetModelColumn() );
3966             le.SetDataViewColumn( col );
3967
3968             wxVariant value;
3969             model->GetValue( value, item, col->GetModelColumn() );
3970             le.SetValue(value);
3971         }
3972
3973         parent->ProcessWindowEvent(le);
3974         return;
3975     }
3976
3977     if (!col)
3978     {
3979         event.Skip();
3980         return;
3981     }
3982
3983     wxDataViewRenderer *cell = col->GetRenderer();
3984     if ((current >= GetRowCount()) || (x > GetEndOfLastCol()))
3985     {
3986         // Unselect all if below the last row ?
3987         event.Skip();
3988         return;
3989     }
3990
3991     wxDataViewColumn* const
3992         expander = GetExpanderColumnOrFirstOne(GetOwner());
3993
3994     // Test whether the mouse is hovering over the expander (a.k.a tree "+"
3995     // button) and also determine the offset of the real cell start, skipping
3996     // the indentation and the expander itself.
3997     bool hoverOverExpander = false;
3998     int itemOffset = 0;
3999     if ((!IsList()) && (expander == col))
4000     {
4001         wxDataViewTreeNode * node = GetTreeNodeByRow(current);
4002
4003         int indent = node->GetIndentLevel();
4004         itemOffset = GetOwner()->GetIndent()*indent;
4005
4006         if ( node->HasChildren() )
4007         {
4008             // we make the rectangle we are looking in a bit bigger than the actual
4009             // visual expander so the user can hit that little thing reliably
4010             wxRect rect(itemOffset,
4011                         GetLineStart( current ) + (GetLineHeight(current) - m_lineHeight)/2,
4012                         m_lineHeight, m_lineHeight);
4013
4014             if( rect.Contains(x, y) )
4015             {
4016                 // So the mouse is over the expander
4017                 hoverOverExpander = true;
4018                 if (m_underMouse && m_underMouse != node)
4019                 {
4020                     // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
4021                     RefreshRow(GetRowByItem(m_underMouse->GetItem()));
4022                 }
4023                 if (m_underMouse != node)
4024                 {
4025                     // wxLogMessage("Do the row: %d", current);
4026                     RefreshRow(current);
4027                 }
4028                 m_underMouse = node;
4029             }
4030         }
4031
4032         // Account for the expander as well, even if this item doesn't have it,
4033         // its parent does so it still counts for the offset.
4034         itemOffset += m_lineHeight;
4035     }
4036     if (!hoverOverExpander)
4037     {
4038         if (m_underMouse != NULL)
4039         {
4040             // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
4041             RefreshRow(GetRowByItem(m_underMouse->GetItem()));
4042             m_underMouse = NULL;
4043         }
4044     }
4045
4046 #if wxUSE_DRAG_AND_DROP
4047     if (event.Dragging())
4048     {
4049         if (m_dragCount == 0)
4050         {
4051             // we have to report the raw, physical coords as we want to be
4052             // able to call HitTest(event.m_pointDrag) from the user code to
4053             // get the item being dragged
4054             m_dragStart = event.GetPosition();
4055         }
4056
4057         m_dragCount++;
4058
4059         if (m_dragCount != 3)
4060             return;
4061
4062         if (event.LeftIsDown())
4063         {
4064             m_owner->CalcUnscrolledPosition( m_dragStart.x, m_dragStart.y,
4065                                              &m_dragStart.x, &m_dragStart.y );
4066             unsigned int drag_item_row = GetLineAt( m_dragStart.y );
4067             wxDataViewItem itemDragged = GetItemByRow( drag_item_row );
4068
4069             // Notify cell about drag
4070             wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() );
4071             event.SetEventObject( m_owner );
4072             event.SetItem( itemDragged );
4073             event.SetModel( model );
4074             if (!m_owner->HandleWindowEvent( event ))
4075                 return;
4076
4077             if (!event.IsAllowed())
4078                 return;
4079
4080             wxDataObject *obj = event.GetDataObject();
4081             if (!obj)
4082                 return;
4083
4084             wxDataViewDropSource drag( this, drag_item_row );
4085             drag.SetData( *obj );
4086             /* wxDragResult res = */ drag.DoDragDrop();
4087             delete obj;
4088         }
4089         return;
4090     }
4091     else
4092     {
4093         m_dragCount = 0;
4094     }
4095 #endif // wxUSE_DRAG_AND_DROP
4096
4097     bool simulateClick = false;
4098
4099     if (event.ButtonDClick())
4100     {
4101         m_renameTimer->Stop();
4102         m_lastOnSame = false;
4103     }
4104
4105     bool ignore_other_columns =
4106         ((expander != col) &&
4107         (model->IsContainer(item)) &&
4108         (!model->HasContainerColumns(item)));
4109
4110     if (event.LeftDClick())
4111     {
4112         if(hoverOverExpander)
4113         {
4114             // a double click on the expander will be converted into a "simulated" normal click
4115             simulateClick = true;
4116         }
4117         else if ( current == m_lineLastClicked )
4118         {
4119             wxWindow *parent = GetParent();
4120             wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
4121             le.SetItem( item );
4122             le.SetColumn( col->GetModelColumn() );
4123             le.SetDataViewColumn( col );
4124             le.SetEventObject(parent);
4125             le.SetModel(GetModel());
4126
4127             parent->ProcessWindowEvent(le);
4128             return;
4129         }
4130         else
4131         {
4132             // The first click was on another item, so don't interpret this as
4133             // a double click, but as a simple click instead
4134             simulateClick = true;
4135         }
4136     }
4137
4138     if (event.LeftUp() && !hoverOverExpander)
4139     {
4140         if (m_lineSelectSingleOnUp != (unsigned int)-1)
4141         {
4142             // select single line
4143             SelectAllRows( false );
4144             SelectRow( m_lineSelectSingleOnUp, true );
4145             SendSelectionChangedEvent( GetItemByRow(m_lineSelectSingleOnUp) );
4146         }
4147
4148         // If the user click the expander, we do not do editing even if the column
4149         // with expander are editable
4150         if (m_lastOnSame && !ignore_other_columns)
4151         {
4152             if ((col == m_currentCol) && (current == m_currentRow) &&
4153                 IsCellEditableInMode(item, col, wxDATAVIEW_CELL_EDITABLE) )
4154             {
4155                 m_renameTimer->Start( 100, true );
4156             }
4157         }
4158
4159         m_lastOnSame = false;
4160         m_lineSelectSingleOnUp = (unsigned int)-1;
4161     }
4162     else if(!event.LeftUp())
4163     {
4164         // This is necessary, because after a DnD operation in
4165         // from and to ourself, the up event is swallowed by the
4166         // DnD code. So on next non-up event (which means here and
4167         // now) m_lineSelectSingleOnUp should be reset.
4168         m_lineSelectSingleOnUp = (unsigned int)-1;
4169     }
4170
4171     if (event.RightDown())
4172     {
4173         m_lineBeforeLastClicked = m_lineLastClicked;
4174         m_lineLastClicked = current;
4175
4176         // If the item is already selected, do not update the selection.
4177         // Multi-selections should not be cleared if a selected item is clicked.
4178         if (!IsRowSelected(current))
4179         {
4180             SelectAllRows(false);
4181             const unsigned oldCurrent = m_currentRow;
4182             ChangeCurrentRow(current);
4183             SelectRow(m_currentRow,true);
4184             RefreshRow(oldCurrent);
4185             SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
4186         }
4187     }
4188     else if (event.MiddleDown())
4189     {
4190     }
4191
4192     if((event.LeftDown() || simulateClick) && hoverOverExpander)
4193     {
4194         wxDataViewTreeNode* node = GetTreeNodeByRow(current);
4195
4196         // hoverOverExpander being true tells us that our node must be
4197         // valid and have children.
4198         // So we don't need any extra checks.
4199         if( node->IsOpen() )
4200             Collapse(current);
4201         else
4202             Expand(current);
4203     }
4204     else if ((event.LeftDown() || simulateClick) && !hoverOverExpander)
4205     {
4206         m_lineBeforeLastClicked = m_lineLastClicked;
4207         m_lineLastClicked = current;
4208
4209         unsigned int oldCurrentRow = m_currentRow;
4210         bool oldWasSelected = IsRowSelected(m_currentRow);
4211
4212         bool cmdModifierDown = event.CmdDown();
4213         if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
4214         {
4215             if ( IsSingleSel() || !IsRowSelected(current) )
4216             {
4217                 SelectAllRows( false );
4218                 ChangeCurrentRow(current);
4219                 SelectRow(m_currentRow,true);
4220                 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
4221             }
4222             else // multi sel & current is highlighted & no mod keys
4223             {
4224                 m_lineSelectSingleOnUp = current;
4225                 ChangeCurrentRow(current); // change focus
4226             }
4227         }
4228         else // multi sel & either ctrl or shift is down
4229         {
4230             if (cmdModifierDown)
4231             {
4232                 ChangeCurrentRow(current);
4233                 ReverseRowSelection(m_currentRow);
4234                 SendSelectionChangedEvent(GetItemByRow(m_currentRow));
4235             }
4236             else if (event.ShiftDown())
4237             {
4238                 ChangeCurrentRow(current);
4239
4240                 unsigned int lineFrom = oldCurrentRow,
4241                     lineTo = current;
4242
4243                 if ( lineTo < lineFrom )
4244                 {
4245                     lineTo = lineFrom;
4246                     lineFrom = m_currentRow;
4247                 }
4248
4249                 SelectRows(lineFrom, lineTo, true);
4250                 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
4251             }
4252             else // !ctrl, !shift
4253             {
4254                 // test in the enclosing if should make it impossible
4255                 wxFAIL_MSG( wxT("how did we get here?") );
4256             }
4257         }
4258
4259         if (m_currentRow != oldCurrentRow)
4260             RefreshRow( oldCurrentRow );
4261
4262         wxDataViewColumn *oldCurrentCol = m_currentCol;
4263
4264         // Update selection here...
4265         m_currentCol = col;
4266         m_currentColSetByKeyboard = false;
4267
4268         m_lastOnSame = !simulateClick && ((col == oldCurrentCol) &&
4269                         (current == oldCurrentRow)) && oldWasSelected;
4270
4271         // Call ActivateCell() after everything else as under GTK+
4272         if ( IsCellEditableInMode(item, col, wxDATAVIEW_CELL_ACTIVATABLE) )
4273         {
4274             // notify cell about click
4275             cell->PrepareForItem(model, item, col->GetModelColumn());
4276
4277             wxRect cell_rect( xpos + itemOffset,
4278                               GetLineStart( current ),
4279                               col->GetWidth() - itemOffset,
4280                               GetLineHeight( current ) );
4281
4282             // Report position relative to the cell's custom area, i.e.
4283             // no the entire space as given by the control but the one
4284             // used by the renderer after calculation of alignment etc.
4285
4286             // adjust the rectangle ourselves to account for the alignment
4287             wxRect rectItem = cell_rect;
4288             const int align = cell->GetAlignment();
4289             if ( align != wxDVR_DEFAULT_ALIGNMENT )
4290             {
4291                 const wxSize size = cell->GetSize();
4292
4293                 if ( size.x >= 0 && size.x < cell_rect.width )
4294                 {
4295                     if ( align & wxALIGN_CENTER_HORIZONTAL )
4296                         rectItem.x += (cell_rect.width - size.x)/2;
4297                     else if ( align & wxALIGN_RIGHT )
4298                         rectItem.x += cell_rect.width - size.x;
4299                     // else: wxALIGN_LEFT is the default
4300                 }
4301
4302                 if ( size.y >= 0 && size.y < cell_rect.height )
4303                 {
4304                     if ( align & wxALIGN_CENTER_VERTICAL )
4305                         rectItem.y += (cell_rect.height - size.y)/2;
4306                     else if ( align & wxALIGN_BOTTOM )
4307                         rectItem.y += cell_rect.height - size.y;
4308                     // else: wxALIGN_TOP is the default
4309                 }
4310             }
4311
4312             wxMouseEvent event2(event);
4313             event2.m_x -= rectItem.x;
4314             event2.m_y -= rectItem.y;
4315             m_owner->CalcUnscrolledPosition(event2.m_x, event2.m_y, &event2.m_x, &event2.m_y);
4316
4317              /* ignore ret */ cell->WXActivateCell
4318                                     (
4319                                         cell_rect,
4320                                         model,
4321                                         item,
4322                                         col->GetModelColumn(),
4323                                         &event2
4324                                     );
4325         }
4326     }
4327 }
4328
4329 void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
4330 {
4331     m_hasFocus = true;
4332
4333     if (HasCurrentRow())
4334         Refresh();
4335
4336     event.Skip();
4337 }
4338
4339 void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event )
4340 {
4341     m_hasFocus = false;
4342
4343     if (HasCurrentRow())
4344         Refresh();
4345
4346     event.Skip();
4347 }
4348
4349 void wxDataViewMainWindow::OnColumnsCountChanged()
4350 {
4351     int editableCount = 0;
4352
4353     const unsigned cols = GetOwner()->GetColumnCount();
4354     for ( unsigned i = 0; i < cols; i++ )
4355     {
4356         wxDataViewColumn *c = GetOwner()->GetColumnAt(i);
4357         if ( c->IsHidden() )
4358             continue;
4359         if ( c->GetRenderer()->GetMode() != wxDATAVIEW_CELL_INERT )
4360             editableCount++;
4361     }
4362
4363     m_useCellFocus = (editableCount > 1);
4364
4365     UpdateDisplay();
4366 }
4367
4368 //-----------------------------------------------------------------------------
4369 // wxDataViewCtrl
4370 //-----------------------------------------------------------------------------
4371
4372 WX_DEFINE_LIST(wxDataViewColumnList)
4373
4374 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
4375 BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
4376     EVT_SIZE(wxDataViewCtrl::OnSize)
4377 END_EVENT_TABLE()
4378
4379 wxDataViewCtrl::~wxDataViewCtrl()
4380 {
4381     if (m_notifier)
4382         GetModel()->RemoveNotifier( m_notifier );
4383
4384     m_cols.Clear();
4385     m_colsBestWidths.clear();
4386 }
4387
4388 void wxDataViewCtrl::Init()
4389 {
4390     m_cols.DeleteContents(true);
4391     m_notifier = NULL;
4392
4393     // No sorting column at start
4394     m_sortingColumnIdx = wxNOT_FOUND;
4395
4396     m_headerArea = NULL;
4397
4398     m_colsDirty = false;
4399 }
4400
4401 bool wxDataViewCtrl::Create(wxWindow *parent,
4402                             wxWindowID id,
4403                             const wxPoint& pos,
4404                             const wxSize& size,
4405                             long style,
4406                             const wxValidator& validator,
4407                             const wxString& name)
4408 {
4409 //    if ( (style & wxBORDER_MASK) == 0)
4410 //        style |= wxBORDER_SUNKEN;
4411
4412     Init();
4413
4414     if (!wxControl::Create( parent, id, pos, size,
4415                             style | wxScrolledWindowStyle, validator, name))
4416         return false;
4417
4418     SetInitialSize(size);
4419
4420 #ifdef __WXMAC__
4421     MacSetClipChildren( true );
4422 #endif
4423
4424     m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
4425
4426     // We use the cursor keys for moving the selection, not scrolling, so call
4427     // this method to ensure wxScrollHelperEvtHandler doesn't catch all
4428     // keyboard events forwarded to us from wxListMainWindow.
4429     DisableKeyboardScrolling();
4430
4431     if (HasFlag(wxDV_NO_HEADER))
4432         m_headerArea = NULL;
4433     else
4434         m_headerArea = new wxDataViewHeaderWindow(this);
4435
4436     SetTargetWindow( m_clientArea );
4437
4438     wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
4439     if (m_headerArea)
4440         sizer->Add( m_headerArea, 0, wxGROW );
4441     sizer->Add( m_clientArea, 1, wxGROW );
4442     SetSizer( sizer );
4443
4444     return true;
4445 }
4446
4447 wxBorder wxDataViewCtrl::GetDefaultBorder() const
4448 {
4449     return wxBORDER_THEME;
4450 }
4451
4452 #ifdef __WXMSW__
4453 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
4454                                         WXWPARAM wParam,
4455                                         WXLPARAM lParam)
4456 {
4457     WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
4458
4459 #ifndef __WXWINCE__
4460     // we need to process arrows ourselves for scrolling
4461     if ( nMsg == WM_GETDLGCODE )
4462     {
4463         rc |= DLGC_WANTARROWS;
4464     }
4465 #endif
4466
4467     return rc;
4468 }
4469 #endif
4470
4471 wxSize wxDataViewCtrl::GetSizeAvailableForScrollTarget(const wxSize& size)
4472 {
4473     wxSize newsize = size;
4474     if (!HasFlag(wxDV_NO_HEADER) && (m_headerArea))
4475     newsize.y -= m_headerArea->GetSize().y;
4476
4477     return newsize;
4478 }
4479
4480 void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) )
4481 {
4482     // We need to override OnSize so that our scrolled
4483     // window a) does call Layout() to use sizers for
4484     // positioning the controls but b) does not query
4485     // the sizer for their size and use that for setting
4486     // the scrollable area as set that ourselves by
4487     // calling SetScrollbar() further down.
4488
4489     Layout();
4490
4491     AdjustScrollbars();
4492
4493     // We must redraw the headers if their height changed. Normally this
4494     // shouldn't happen as the control shouldn't let itself be resized beneath
4495     // its minimal height but avoid the display artefacts that appear if it
4496     // does happen, e.g. because there is really not enough vertical space.
4497     if ( !HasFlag(wxDV_NO_HEADER) && m_headerArea &&
4498             m_headerArea->GetSize().y <= m_headerArea->GetBestSize(). y )
4499     {
4500         m_headerArea->Refresh();
4501     }
4502 }
4503
4504 void wxDataViewCtrl::SetFocus()
4505 {
4506     if (m_clientArea)
4507         m_clientArea->SetFocus();
4508 }
4509
4510 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
4511 {
4512     if (!wxDataViewCtrlBase::AssociateModel( model ))
4513         return false;
4514
4515     m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
4516
4517     model->AddNotifier( m_notifier );
4518
4519     m_clientArea->DestroyTree();
4520
4521     m_clientArea->BuildTree(model);
4522
4523     m_clientArea->UpdateDisplay();
4524
4525     return true;
4526 }
4527
4528 #if wxUSE_DRAG_AND_DROP
4529
4530 bool wxDataViewCtrl::EnableDragSource( const wxDataFormat &format )
4531 {
4532     return m_clientArea->EnableDragSource( format );
4533 }
4534
4535 bool wxDataViewCtrl::EnableDropTarget( const wxDataFormat &format )
4536 {
4537     return m_clientArea->EnableDropTarget( format );
4538 }
4539
4540 #endif // wxUSE_DRAG_AND_DROP
4541
4542 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
4543 {
4544     if (!wxDataViewCtrlBase::AppendColumn(col))
4545         return false;
4546
4547     m_cols.Append( col );
4548     m_colsBestWidths.push_back(0);
4549     OnColumnsCountChanged();
4550     return true;
4551 }
4552
4553 bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
4554 {
4555     if (!wxDataViewCtrlBase::PrependColumn(col))
4556         return false;
4557
4558     m_cols.Insert( col );
4559     m_colsBestWidths.insert(m_colsBestWidths.begin(), 0);
4560     OnColumnsCountChanged();
4561     return true;
4562 }
4563
4564 bool wxDataViewCtrl::InsertColumn( unsigned int pos, wxDataViewColumn *col )
4565 {
4566     if (!wxDataViewCtrlBase::InsertColumn(pos,col))
4567         return false;
4568
4569     m_cols.Insert( pos, col );
4570     m_colsBestWidths.insert(m_colsBestWidths.begin() + pos, 0);
4571     OnColumnsCountChanged();
4572     return true;
4573 }
4574
4575 void wxDataViewCtrl::OnColumnChange(unsigned int idx)
4576 {
4577     if ( m_headerArea )
4578         m_headerArea->UpdateColumn(idx);
4579
4580     m_clientArea->UpdateDisplay();
4581 }
4582
4583 void wxDataViewCtrl::OnColumnsCountChanged()
4584 {
4585     if (m_headerArea)
4586         m_headerArea->SetColumnCount(GetColumnCount());
4587
4588     m_clientArea->OnColumnsCountChanged();
4589 }
4590
4591 void wxDataViewCtrl::DoSetExpanderColumn()
4592 {
4593     m_clientArea->UpdateDisplay();
4594 }
4595
4596 void wxDataViewCtrl::DoSetIndent()
4597 {
4598     m_clientArea->UpdateDisplay();
4599 }
4600
4601 unsigned int wxDataViewCtrl::GetColumnCount() const
4602 {
4603     return m_cols.GetCount();
4604 }
4605
4606 bool wxDataViewCtrl::SetRowHeight( int lineHeight )
4607 {
4608     if ( !m_clientArea )
4609         return false;
4610
4611     m_clientArea->SetRowHeight(lineHeight);
4612
4613     return true;
4614 }
4615
4616 wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int idx ) const
4617 {
4618     return m_cols[idx];
4619 }
4620
4621 wxDataViewColumn *wxDataViewCtrl::GetColumnAt(unsigned int pos) const
4622 {
4623     // columns can't be reordered if there is no header window which allows
4624     // to do this
4625     const unsigned idx = m_headerArea ? m_headerArea->GetColumnsOrder()[pos]
4626                                     : pos;
4627
4628     return GetColumn(idx);
4629 }
4630
4631 int wxDataViewCtrl::GetColumnIndex(const wxDataViewColumn *column) const
4632 {
4633     const unsigned count = m_cols.size();
4634     for ( unsigned n = 0; n < count; n++ )
4635     {
4636         if ( m_cols[n] == column )
4637             return n;
4638     }
4639
4640     return wxNOT_FOUND;
4641 }
4642
4643 unsigned int wxDataViewCtrl::GetBestColumnWidth(int idx) const
4644 {
4645     if ( m_colsBestWidths[idx] != 0 )
4646         return m_colsBestWidths[idx];
4647
4648     const int count = m_clientArea->GetRowCount();
4649     wxDataViewColumn *column = GetColumn(idx);
4650     wxDataViewRenderer *renderer =
4651         const_cast<wxDataViewRenderer*>(column->GetRenderer());
4652
4653     class MaxWidthCalculator
4654     {
4655     public:
4656         MaxWidthCalculator(const wxDataViewCtrl *dvc,
4657                            wxDataViewMainWindow *clientArea,
4658                            wxDataViewRenderer *renderer,
4659                            const wxDataViewModel *model,
4660                            unsigned column,
4661                            int expanderSize)
4662             : m_width(0),
4663               m_dvc(dvc),
4664               m_clientArea(clientArea),
4665               m_renderer(renderer),
4666               m_model(model),
4667               m_column(column),
4668               m_expanderSize(expanderSize)
4669
4670         {
4671             m_isExpanderCol =
4672                 !clientArea->IsList() &&
4673                 (column == 0 ||
4674                  GetExpanderColumnOrFirstOne(const_cast<wxDataViewCtrl*>(dvc)) == dvc->GetColumnAt(column));
4675         }
4676
4677         void UpdateWithWidth(int width)
4678         {
4679             m_width = wxMax(m_width, width);
4680         }
4681
4682         void UpdateWithRow(int row)
4683         {
4684             int indent = 0;
4685             wxDataViewItem item;
4686
4687             if ( m_isExpanderCol )
4688             {
4689                 wxDataViewTreeNode *node = m_clientArea->GetTreeNodeByRow(row);
4690                 item = node->GetItem();
4691                 indent = m_dvc->GetIndent() * node->GetIndentLevel() + m_expanderSize;
4692             }
4693             else
4694             {
4695                 item = m_clientArea->GetItemByRow(row);
4696             }
4697
4698             m_renderer->PrepareForItem(m_model, item, m_column);
4699             m_width = wxMax(m_width, m_renderer->GetSize().x + indent);
4700         }
4701
4702         int GetMaxWidth() const { return m_width; }
4703
4704     private:
4705         int m_width;
4706         const wxDataViewCtrl *m_dvc;
4707         wxDataViewMainWindow *m_clientArea;
4708         wxDataViewRenderer *m_renderer;
4709         const wxDataViewModel *m_model;
4710         unsigned m_column;
4711         bool m_isExpanderCol;
4712         int m_expanderSize;
4713     };
4714
4715     MaxWidthCalculator calculator(this, m_clientArea, renderer,
4716                                   GetModel(), column->GetModelColumn(),
4717                                   m_clientArea->GetRowHeight());
4718
4719     if ( m_headerArea )
4720         calculator.UpdateWithWidth(m_headerArea->GetColumnTitleWidth(*column));
4721
4722     // The code below deserves some explanation. For very large controls, we
4723     // simply can't afford to calculate sizes for all items, it takes too
4724     // long. So the best we can do is to check the first and the last N/2
4725     // items in the control for some sufficiently large N and calculate best
4726     // sizes from that. That can result in the calculated best width being too
4727     // small for some outliers, but it's better to get slightly imperfect
4728     // result than to wait several seconds after every update. To avoid highly
4729     // visible miscalculations, we also include all currently visible items
4730     // no matter what.  Finally, the value of N is determined dynamically by
4731     // measuring how much time we spent on the determining item widths so far.
4732
4733 #if wxUSE_STOPWATCH
4734     int top_part_end = count;
4735     static const long CALC_TIMEOUT = 20/*ms*/;
4736     // don't call wxStopWatch::Time() too often
4737     static const unsigned CALC_CHECK_FREQ = 100;
4738     wxStopWatch timer;
4739 #else
4740     // use some hard-coded limit, that's the best we can do without timer
4741     int top_part_end = wxMin(500, count);
4742 #endif // wxUSE_STOPWATCH/!wxUSE_STOPWATCH
4743
4744     int row = 0;
4745
4746     for ( row = 0; row < top_part_end; row++ )
4747     {
4748 #if wxUSE_STOPWATCH
4749         if ( row % CALC_CHECK_FREQ == CALC_CHECK_FREQ-1 &&
4750              timer.Time() > CALC_TIMEOUT )
4751             break;
4752 #endif // wxUSE_STOPWATCH
4753         calculator.UpdateWithRow(row);
4754     }
4755
4756     // row is the first unmeasured item now; that's our value of N/2
4757
4758     if ( row < count )
4759     {
4760         top_part_end = row;
4761
4762         // add bottom N/2 items now:
4763         const int bottom_part_start = wxMax(row, count - row);
4764         for ( row = bottom_part_start; row < count; row++ )
4765         {
4766             calculator.UpdateWithRow(row);
4767         }
4768
4769         // finally, include currently visible items in the calculation:
4770         const wxPoint origin = CalcUnscrolledPosition(wxPoint(0, 0));
4771         int first_visible = m_clientArea->GetLineAt(origin.y);
4772         int last_visible = m_clientArea->GetLineAt(origin.y + GetClientSize().y);
4773
4774         first_visible = wxMax(first_visible, top_part_end);
4775         last_visible = wxMin(bottom_part_start, last_visible);
4776
4777         for ( row = first_visible; row < last_visible; row++ )
4778         {
4779             calculator.UpdateWithRow(row);
4780         }
4781
4782         wxLogTrace("dataview",
4783                    "determined best size from %d top, %d bottom plus %d more visible items out of %d total",
4784                    top_part_end,
4785                    count - bottom_part_start,
4786                    wxMax(0, last_visible - first_visible),
4787                    count);
4788     }
4789
4790     int max_width = calculator.GetMaxWidth();
4791     if ( max_width > 0 )
4792         max_width += 2 * PADDING_RIGHTLEFT;
4793
4794     const_cast<wxDataViewCtrl*>(this)->m_colsBestWidths[idx] = max_width;
4795     return max_width;
4796 }
4797
4798 void wxDataViewCtrl::ColumnMoved(wxDataViewColumn * WXUNUSED(col),
4799                                 unsigned int WXUNUSED(new_pos))
4800 {
4801     // do _not_ reorder m_cols elements here, they should always be in the
4802     // order in which columns were added, we only display the columns in
4803     // different order
4804     m_clientArea->UpdateDisplay();
4805 }
4806
4807 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
4808 {
4809     wxDataViewColumnList::compatibility_iterator ret = m_cols.Find( column );
4810     if (!ret)
4811         return false;
4812
4813     m_colsBestWidths.erase(m_colsBestWidths.begin() + GetColumnIndex(column));
4814     m_cols.Erase(ret);
4815
4816     if ( m_clientArea->GetCurrentColumn() == column )
4817         m_clientArea->ClearCurrentColumn();
4818
4819     OnColumnsCountChanged();
4820
4821     return true;
4822 }
4823
4824 bool wxDataViewCtrl::ClearColumns()
4825 {
4826     SetExpanderColumn(NULL);
4827     m_cols.Clear();
4828     m_colsBestWidths.clear();
4829
4830     m_clientArea->ClearCurrentColumn();
4831
4832     OnColumnsCountChanged();
4833
4834     return true;
4835 }
4836
4837 void wxDataViewCtrl::InvalidateColBestWidth(int idx)
4838 {
4839     m_colsBestWidths[idx] = 0;
4840     m_colsDirty = true;
4841 }
4842
4843 void wxDataViewCtrl::InvalidateColBestWidths()
4844 {
4845     m_colsBestWidths.clear();
4846     m_colsBestWidths.resize(m_cols.size());
4847     m_colsDirty = true;
4848 }
4849
4850 void wxDataViewCtrl::UpdateColWidths()
4851 {
4852     if ( !m_headerArea )
4853         return;
4854
4855     const unsigned len = m_colsBestWidths.size();
4856     for ( unsigned i = 0; i < len; i++ )
4857     {
4858         if ( m_colsBestWidths[i] == 0 )
4859             m_headerArea->UpdateColumn(i);
4860     }
4861 }
4862
4863 void wxDataViewCtrl::OnInternalIdle()
4864 {
4865     wxDataViewCtrlBase::OnInternalIdle();
4866
4867     if ( m_colsDirty )
4868     {
4869         m_colsDirty = false;
4870         UpdateColWidths();
4871     }
4872 }
4873
4874 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
4875 {
4876     unsigned int len = GetColumnCount();
4877     for ( unsigned int i = 0; i < len; i++ )
4878     {
4879         wxDataViewColumn * col = GetColumnAt(i);
4880         if (column==col)
4881             return i;
4882     }
4883
4884     return wxNOT_FOUND;
4885 }
4886
4887 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
4888 {
4889     return m_sortingColumnIdx == wxNOT_FOUND ? NULL
4890                                             : GetColumn(m_sortingColumnIdx);
4891 }
4892
4893 wxDataViewItem wxDataViewCtrl::DoGetCurrentItem() const
4894 {
4895     return GetItemByRow(m_clientArea->GetCurrentRow());
4896 }
4897
4898 void wxDataViewCtrl::DoSetCurrentItem(const wxDataViewItem& item)
4899 {
4900     const int row = m_clientArea->GetRowByItem(item);
4901
4902     const unsigned oldCurrent = m_clientArea->GetCurrentRow();
4903     if ( static_cast<unsigned>(row) != oldCurrent )
4904     {
4905         m_clientArea->ChangeCurrentRow(row);
4906         m_clientArea->RefreshRow(oldCurrent);
4907         m_clientArea->RefreshRow(row);
4908     }
4909 }
4910
4911 wxDataViewColumn *wxDataViewCtrl::GetCurrentColumn() const
4912 {
4913     return m_clientArea->GetCurrentColumn();
4914 }
4915
4916 int wxDataViewCtrl::GetSelectedItemsCount() const
4917 {
4918     return m_clientArea->GetSelections().size();
4919 }
4920
4921 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
4922 {
4923     sel.Empty();
4924     const wxDataViewSelection& selections = m_clientArea->GetSelections();
4925
4926     const size_t len = selections.size();
4927     for ( size_t i = 0; i < len; i++ )
4928     {
4929         wxDataViewItem item = m_clientArea->GetItemByRow(selections[i]);
4930         if ( item.IsOk() )
4931         {
4932             sel.Add(item);
4933         }
4934         else
4935         {
4936             wxFAIL_MSG( "invalid item in selection - bad internal state" );
4937         }
4938     }
4939
4940     return sel.size();
4941 }
4942
4943 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
4944 {
4945     wxDataViewSelection selection(wxDataViewSelectionCmp);
4946
4947     wxDataViewItem last_parent;
4948
4949     int len = sel.GetCount();
4950     for( int i = 0; i < len; i ++ )
4951     {
4952         wxDataViewItem item = sel[i];
4953         wxDataViewItem parent = GetModel()->GetParent( item );
4954         if (parent)
4955         {
4956             if (parent != last_parent)
4957                 ExpandAncestors(item);
4958         }
4959
4960         last_parent = parent;
4961         int row = m_clientArea->GetRowByItem( item );
4962         if( row >= 0 )
4963             selection.Add( static_cast<unsigned int>(row) );
4964     }
4965
4966     m_clientArea->SetSelections( selection );
4967 }
4968
4969 void wxDataViewCtrl::Select( const wxDataViewItem & item )
4970 {
4971     ExpandAncestors( item );
4972
4973     int row = m_clientArea->GetRowByItem( item );
4974     if( row >= 0 )
4975     {
4976         // Unselect all rows before select another in the single select mode
4977         if (m_clientArea->IsSingleSel())
4978             m_clientArea->SelectAllRows(false);
4979
4980         m_clientArea->SelectRow(row, true);
4981
4982         // Also set focus to the selected item
4983         m_clientArea->ChangeCurrentRow( row );
4984     }
4985 }
4986
4987 void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
4988 {
4989     int row = m_clientArea->GetRowByItem( item );
4990     if( row >= 0 )
4991         m_clientArea->SelectRow(row, false);
4992 }
4993
4994 bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
4995 {
4996     int row = m_clientArea->GetRowByItem( item );
4997     if( row >= 0 )
4998     {
4999         return m_clientArea->IsRowSelected(row);
5000     }
5001     return false;
5002 }
5003
5004 void wxDataViewCtrl::SetAlternateRowColour(const wxColour& colour)
5005 {
5006     m_alternateRowColour = colour;
5007 }
5008
5009 void wxDataViewCtrl::SelectAll()
5010 {
5011     m_clientArea->SelectAllRows(true);
5012 }
5013
5014 void wxDataViewCtrl::UnselectAll()
5015 {
5016     m_clientArea->SelectAllRows(false);
5017 }
5018
5019 void wxDataViewCtrl::EnsureVisible( int row, int column )
5020 {
5021     if( row < 0 )
5022         row = 0;
5023     if( row > (int) m_clientArea->GetRowCount() )
5024         row = m_clientArea->GetRowCount();
5025
5026     int first = m_clientArea->GetFirstVisibleRow();
5027     int last = m_clientArea->GetLastVisibleRow();
5028     if( row < first )
5029         m_clientArea->ScrollTo( row, column );
5030     else if( row > last )
5031         m_clientArea->ScrollTo( row - last + first, column );
5032     else
5033         m_clientArea->ScrollTo( first, column );
5034 }
5035
5036 void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
5037 {
5038     ExpandAncestors( item );
5039
5040     m_clientArea->RecalculateDisplay();
5041
5042     int row = m_clientArea->GetRowByItem(item);
5043     if( row >= 0 )
5044     {
5045         if( column == NULL )
5046             EnsureVisible(row, -1);
5047         else
5048             EnsureVisible( row, GetColumnIndex(column) );
5049     }
5050
5051 }
5052
5053 void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item,
5054                               wxDataViewColumn* &column ) const
5055 {
5056     m_clientArea->HitTest(point, item, column);
5057 }
5058
5059 wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item,
5060                                     const wxDataViewColumn* column ) const
5061 {
5062     return m_clientArea->GetItemRect(item, column);
5063 }
5064
5065 wxDataViewItem wxDataViewCtrl::GetItemByRow( unsigned int row ) const
5066 {
5067     return m_clientArea->GetItemByRow( row );
5068 }
5069
5070 int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const
5071 {
5072     return m_clientArea->GetRowByItem( item );
5073 }
5074
5075 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
5076 {
5077     ExpandAncestors( item );
5078
5079     int row = m_clientArea->GetRowByItem( item );
5080     if (row != -1)
5081         m_clientArea->Expand(row);
5082 }
5083
5084 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
5085 {
5086     int row = m_clientArea->GetRowByItem( item );
5087     if (row != -1)
5088         m_clientArea->Collapse(row);
5089 }
5090
5091 bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
5092 {
5093     int row = m_clientArea->GetRowByItem( item );
5094     if (row != -1)
5095         return m_clientArea->IsExpanded(row);
5096     return false;
5097 }
5098
5099 void wxDataViewCtrl::EditItem(const wxDataViewItem& item, const wxDataViewColumn *column)
5100 {
5101     wxCHECK_RET( item.IsOk(), "invalid item" );
5102     wxCHECK_RET( column, "no column provided" );
5103
5104     m_clientArea->StartEditing(item, column);
5105 }
5106
5107 #endif // !wxUSE_GENERICDATAVIEWCTRL
5108
5109 #endif // wxUSE_DATAVIEWCTRL