src/generic/datavgen.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/generic/datavgen.cpp
   3 // Purpose:     wxDataViewCtrl generic implementation
   4 // Author:      Robert Roebling
   5 // Modified by: Francesco Montorsi, Guru Kathiresan, Bo Yang
   6 // Id:          $Id$
   7 // Copyright:   (c) 1998 Robert Roebling
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #if wxUSE_DATAVIEWCTRL
  19
  20 #include "wx/dataview.h"
  21
  22 #ifdef wxUSE_GENERICDATAVIEWCTRL
  23
  24 #ifndef WX_PRECOMP
  25     #ifdef __WXMSW__
  26         #include "wx/msw/private.h"
  27         #include "wx/msw/wrapwin.h"
  28         #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
  29     #endif
  30     #include "wx/sizer.h"
  31     #include "wx/log.h"
  32     #include "wx/dcclient.h"
  33     #include "wx/timer.h"
  34     #include "wx/settings.h"
  35     #include "wx/msgdlg.h"
  36     #include "wx/dcscreen.h"
  37 #endif
  38
  39 #include "wx/stockitem.h"
  40 #include "wx/calctrl.h"
  41 #include "wx/popupwin.h"
  42 #include "wx/renderer.h"
  43 #include "wx/dcbuffer.h"
  44 #include "wx/icon.h"
  45 #include "wx/list.h"
  46 #include "wx/listimpl.cpp"
  47
  48 //-----------------------------------------------------------------------------
  49 // classes
  50 //-----------------------------------------------------------------------------
  51
  52 class wxDataViewCtrl;
  53
  54 static const int SCROLL_UNIT_X = 15;
  55
  56 // the cell padding on the left/right
  57 static const int PADDING_RIGHTLEFT = 3;
  58
  59 // the expander space margin
  60 static const int EXPANDER_MARGIN = 4;
  61
  62 //-----------------------------------------------------------------------------
  63 // wxDataViewHeaderWindow
  64 //-----------------------------------------------------------------------------
  65
  66 // on wxMSW the header window (only that part however) can be made native!
  67 #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
  68     #define USE_NATIVE_HEADER_WINDOW
  69 #endif
  70
  71 //Below is the compare stuff
  72 //For the generic implements, both the leaf nodes and the nodes are sorted for fast search when needed
  73 static wxDataViewModel * g_model;
  74 static int g_column = -2;
  75 static bool g_asending = true;
  76
  77 // NB: for some reason, this class must be dllexport'ed or we get warnings from
  78 //     MSVC in DLL build
  79 class WXDLLIMPEXP_ADV wxDataViewHeaderWindowBase : public wxControl
  80 {
  81 public:
  82     wxDataViewHeaderWindowBase()
  83         { m_owner = NULL; }
  84
  85     bool Create(wxDataViewCtrl *parent, wxWindowID id,
  86                 const wxPoint &pos, const wxSize &size,
  87                 const wxString &name)
  88     {
  89         return wxWindow::Create(parent, id, pos, size, wxNO_BORDER, name);
  90     }
  91
  92     void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
  93     wxDataViewCtrl *GetOwner() { return m_owner; }
  94
  95     // called on column addition/removal
  96     virtual void UpdateDisplay() { /* by default, do nothing */ }
  97
  98     // returns the n-th column
  99     virtual wxDataViewColumn *GetColumn(unsigned int n)
 100     {
 101         wxASSERT(m_owner);
 102         wxDataViewColumn *ret = m_owner->GetColumn(n);
 103         wxASSERT(ret);
 104
 105         return ret;
 106     }
 107
 108 protected:
 109     wxDataViewCtrl      *m_owner;
 110
 111     // sends an event generated from the n-th wxDataViewColumn
 112     void SendEvent(wxEventType type, unsigned int n);
 113 };
 114
 115 #ifdef USE_NATIVE_HEADER_WINDOW
 116
 117 #define COLUMN_WIDTH_OFFSET         2
 118 #define wxDataViewHeaderWindowMSW   wxDataViewHeaderWindow
 119
 120 class wxDataViewHeaderWindowMSW : public wxDataViewHeaderWindowBase
 121 {
 122 public:
 123
 124     wxDataViewHeaderWindowMSW( wxDataViewCtrl *parent,
 125                                wxWindowID id,
 126                                const wxPoint &pos = wxDefaultPosition,
 127                                const wxSize &size = wxDefaultSize,
 128                                const wxString &name = wxT("wxdataviewctrlheaderwindow") )
 129     {
 130         Create(parent, id, pos, size, name);
 131     }
 132
 133     bool Create(wxDataViewCtrl *parent, wxWindowID id,
 134                 const wxPoint &pos, const wxSize &size,
 135                 const wxString &name);
 136
 137     ~wxDataViewHeaderWindowMSW();
 138
 139     // called when any column setting is changed and/or changed
 140     // the column count
 141     virtual void UpdateDisplay();
 142
 143     virtual void OnInternalIdle();
 144
 145     // called Refresh afterwards
 146     virtual void ScrollWindow(int dx, int dy, const wxRect *rect = NULL);
 147
 148     virtual wxBorder GetDefaultBorder() const { return wxBORDER_NONE; }
 149
 150 protected:
 151     virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
 152
 153     virtual void DoSetSize(int x, int y, int width, int height, int sizeFlags);
 154
 155     wxSize DoGetBestSize() const;
 156
 157     unsigned int GetColumnIdxFromHeader(NMHEADER *nmHDR);
 158
 159     wxDataViewColumn *GetColumnFromHeader(NMHEADER *nmHDR)
 160         { return GetColumn(GetColumnIdxFromHeader(nmHDR)); }
 161
 162     int   m_scrollOffsetX;
 163     int   m_buttonHeight;
 164     bool  m_delayedUpdate;
 165
 166 private:
 167     DECLARE_DYNAMIC_CLASS(wxDataViewHeaderWindowMSW)
 168 };
 169
 170 #else       // !defined(__WXMSW__)
 171
 172 #define HEADER_WINDOW_HEIGHT            25
 173 #define HEADER_HORIZ_BORDER             5
 174 #define HEADER_VERT_BORDER              3
 175 #define wxGenericDataViewHeaderWindow   wxDataViewHeaderWindow
 176
 177 class wxGenericDataViewHeaderWindow : public wxDataViewHeaderWindowBase
 178 {
 179 public:
 180     wxGenericDataViewHeaderWindow( wxDataViewCtrl *parent,
 181                                     wxWindowID id,
 182                                     const wxPoint &pos = wxDefaultPosition,
 183                                     const wxSize &size = wxDefaultSize,
 184                                     const wxString &name = wxT("wxdataviewctrlheaderwindow") )
 185     {
 186         Init();
 187         Create(parent, id, pos, size, name);
 188     }
 189
 190     bool Create(wxDataViewCtrl *parent, wxWindowID id,
 191                 const wxPoint &pos, const wxSize &size,
 192                 const wxString &name);
 193
 194     ~wxGenericDataViewHeaderWindow()
 195     {
 196         delete m_resizeCursor;
 197     }
 198
 199     virtual void UpdateDisplay() { Refresh(); }
 200
 201     // event handlers:
 202
 203     void OnPaint( wxPaintEvent &event );
 204     void OnMouse( wxMouseEvent &event );
 205     void OnSetFocus( wxFocusEvent &event );
 206
 207
 208 protected:
 209
 210     // vars used for column resizing:
 211
 212     wxCursor            *m_resizeCursor;
 213     const wxCursor      *m_currentCursor;
 214     bool                 m_isDragging;
 215
 216     bool                 m_dirty;     // needs refresh?
 217     int                  m_hover;     // index of the column under the mouse
 218     int                  m_column;    // index of the column being resized
 219     int                  m_currentX;  // divider line position in logical (unscrolled) coords
 220     int                  m_minX;      // minimal position beyond which the divider line
 221                                       // can't be dragged in logical coords
 222
 223     // the pen used to draw the current column width drag line
 224     // when resizing the columsn
 225     wxPen m_penCurrent;
 226
 227
 228     // internal utilities:
 229
 230     void Init()
 231     {
 232         m_currentCursor = (wxCursor *) NULL;
 233         m_resizeCursor = new wxCursor( wxCURSOR_SIZEWE );
 234
 235         m_isDragging = false;
 236         m_dirty = false;
 237
 238         m_hover = wxNOT_FOUND;
 239         m_column = wxNOT_FOUND;
 240         m_currentX = 0;
 241         m_minX = 0;
 242
 243         wxColour col = wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
 244         m_penCurrent = wxPen(col, 1, wxSOLID);
 245     }
 246
 247     void AdjustDC(wxDC& dc);
 248
 249 private:
 250     DECLARE_DYNAMIC_CLASS(wxGenericDataViewHeaderWindow)
 251     DECLARE_EVENT_TABLE()
 252 };
 253
 254 #endif      // defined(__WXMSW__)
 255
 256 //-----------------------------------------------------------------------------
 257 // wxDataViewRenameTimer
 258 //-----------------------------------------------------------------------------
 259
 260 class wxDataViewRenameTimer: public wxTimer
 261 {
 262 private:
 263     wxDataViewMainWindow *m_owner;
 264
 265 public:
 266     wxDataViewRenameTimer( wxDataViewMainWindow *owner );
 267     void Notify();
 268 };
 269
 270 //-----------------------------------------------------------------------------
 271 // wxDataViewTreeNode
 272 //-----------------------------------------------------------------------------
 273 class wxDataViewTreeNode;
 274 WX_DEFINE_ARRAY( wxDataViewTreeNode *, wxDataViewTreeNodes );
 275 WX_DEFINE_ARRAY( void* , wxDataViewTreeLeaves);
 276
 277 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1, wxDataViewTreeNode ** node2);
 278 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2);
 279
 280 class wxDataViewTreeNode
 281 {
 282 public:
 283     wxDataViewTreeNode( wxDataViewTreeNode * parent = NULL )
 284     {
 285         m_parent = parent;
 286         if (!parent)
 287             m_open = true;
 288         else
 289             m_open = false;
 290         m_hasChildren = false;
 291         m_subTreeCount  = 0;
 292     }
 293
 294     ~wxDataViewTreeNode()
 295     {
 296     }
 297
 298     wxDataViewTreeNode * GetParent() { return m_parent; }
 299     void SetParent( wxDataViewTreeNode * parent ) { m_parent = parent; }
 300     wxDataViewTreeNodes &  GetNodes() { return m_nodes; }
 301     wxDataViewTreeLeaves & GetChildren() { return m_leaves; }
 302
 303     void AddNode( wxDataViewTreeNode * node )
 304     {
 305         m_leaves.Add( node->GetItem().GetID() );
 306         if (g_column >= -1)
 307             m_leaves.Sort( &wxGenericTreeModelItemCmp );
 308         m_nodes.Add( node );
 309         if (g_column >= -1)
 310             m_nodes.Sort( &wxGenericTreeModelNodeCmp );
 311     }
 312     void AddLeaf( void * leaf )
 313     {
 314         m_leaves.Add( leaf );
 315         if (g_column >= -1)
 316             m_leaves.Sort( &wxGenericTreeModelItemCmp );
 317     }
 318
 319     wxDataViewItem & GetItem() { return m_item; }
 320     void SetItem( const wxDataViewItem & item ) { m_item = item; }
 321
 322     unsigned int GetChildrenNumber() { return m_leaves.GetCount(); }
 323     unsigned int GetNodeNumber() { return m_nodes.GetCount(); }
 324     int GetIndentLevel()
 325     {
 326         int ret = 0 ;
 327         wxDataViewTreeNode * node = this;
 328         while( node->GetParent()->GetParent() != NULL )
 329         {
 330             node = node->GetParent();
 331             ret ++;
 332         }
 333         return ret;
 334     }
 335
 336     bool IsOpen()
 337     {
 338         return m_open ;
 339     }
 340
 341     void ToggleOpen()
 342     {
 343         int len = m_nodes.GetCount();
 344         int sum = 0;
 345         for ( int i = 0 ;i < len ; i ++)
 346             sum += m_nodes[i]->GetSubTreeCount();
 347
 348         sum += m_leaves.GetCount();
 349         if (m_open)
 350         {
 351             ChangeSubTreeCount(-sum);
 352             m_open = !m_open;
 353         }
 354         else
 355         {
 356             m_open = !m_open;
 357             ChangeSubTreeCount(sum);
 358         }
 359     }
 360     bool HasChildren() { return m_hasChildren; }
 361     void SetHasChildren( bool has ){ m_hasChildren = has; }
 362
 363     void SetSubTreeCount( int num ) { m_subTreeCount = num; }
 364     int GetSubTreeCount() { return m_subTreeCount; }
 365     void ChangeSubTreeCount( int num )
 366     {
 367         if( !m_open )
 368             return ;
 369         m_subTreeCount += num;
 370         if( m_parent )
 371             m_parent->ChangeSubTreeCount(num);
 372     }
 373
 374     void Resort()
 375     {
 376         if (g_column >= -1)
 377         {
 378             m_nodes.Sort( &wxGenericTreeModelNodeCmp );
 379             int len = m_nodes.GetCount();
 380             for (int i = 0; i < len; i ++)
 381                 m_nodes[i]->Resort();
 382             m_leaves.Sort( &wxGenericTreeModelItemCmp );
 383         }
 384     }
 385
 386 private:
 387     wxDataViewTreeNode  *m_parent;
 388     wxDataViewTreeNodes  m_nodes;
 389     wxDataViewTreeLeaves m_leaves;
 390     wxDataViewItem       m_item;
 391     bool                 m_open;
 392     bool                 m_hasChildren;
 393     int                  m_subTreeCount;
 394 };
 395
 396 int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1, wxDataViewTreeNode ** node2)
 397 {
 398     return g_model->Compare( (*node1)->GetItem(), (*node2)->GetItem(), g_column, g_asending );
 399 }
 400
 401 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2)
 402 {
 403     return g_model->Compare( *id1, *id2, g_column, g_asending );
 404 }
 405
 406
 407
 408 //-----------------------------------------------------------------------------
 409 // wxDataViewMainWindow
 410 //-----------------------------------------------------------------------------
 411
 412 WX_DEFINE_SORTED_USER_EXPORTED_ARRAY_SIZE_T(unsigned int, wxDataViewSelection,
 413                                             WXDLLIMPEXP_ADV);
 414 WX_DECLARE_LIST(wxDataViewItem, ItemList);
 415 WX_DEFINE_LIST(ItemList)
 416
 417 class wxDataViewMainWindow: public wxWindow
 418 {
 419 public:
 420     wxDataViewMainWindow( wxDataViewCtrl *parent,
 421                             wxWindowID id,
 422                             const wxPoint &pos = wxDefaultPosition,
 423                             const wxSize &size = wxDefaultSize,
 424                             const wxString &name = wxT("wxdataviewctrlmainwindow") );
 425     virtual ~wxDataViewMainWindow();
 426
 427     // notifications from wxDataViewModel
 428     bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
 429     bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
 430     bool ItemChanged( const wxDataViewItem &item );
 431     bool ValueChanged( const wxDataViewItem &item, unsigned int col );
 432     bool Cleared();
 433     void Resort()
 434     {
 435         if (m_root)
 436         {
 437             SortPrepare();
 438             m_root->Resort();
 439         }
 440         UpdateDisplay();
 441     }
 442
 443     void SortPrepare()
 444     {
 445         g_model = GetOwner()->GetModel();
 446         wxDataViewColumn* col = GetOwner()->GetSortingColumn();
 447         if( !col )
 448         {
 449             if (g_model->HasDefaultCompare())
 450                 g_column = -1;
 451             else
 452                 g_column = -2;
 453
 454             g_asending = true;
 455             return;
 456         }
 457         g_column = col->GetModelColumn();
 458         g_asending = col->IsSortOrderAscending();
 459     }
 460
 461     void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
 462     wxDataViewCtrl *GetOwner() { return m_owner; }
 463     const wxDataViewCtrl *GetOwner() const { return m_owner; }
 464
 465     void OnPaint( wxPaintEvent &event );
 466     void OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event);
 467     void OnChar( wxKeyEvent &event );
 468     void OnMouse( wxMouseEvent &event );
 469     void OnSetFocus( wxFocusEvent &event );
 470     void OnKillFocus( wxFocusEvent &event );
 471
 472     void UpdateDisplay();
 473     void RecalculateDisplay();
 474     void OnInternalIdle();
 475
 476     void OnRenameTimer();
 477
 478     void ScrollWindow( int dx, int dy, const wxRect *rect = NULL );
 479     void ScrollTo( int rows, int column );
 480
 481     bool HasCurrentRow() { return m_currentRow != (unsigned int)-1; }
 482     void ChangeCurrentRow( unsigned int row );
 483
 484     bool IsSingleSel() const { return !GetParent()->HasFlag(wxDV_MULTIPLE); }
 485     bool IsEmpty() { return GetRowCount() == 0; }
 486
 487     int GetCountPerPage() const;
 488     int GetEndOfLastCol() const;
 489     unsigned int GetFirstVisibleRow() const;
 490     //I change this method to un const because in the tree view, the displaying number of the tree are changing along with the expanding/collapsing of the tree nodes
 491     unsigned int GetLastVisibleRow();
 492     unsigned int GetRowCount() ;
 493
 494     wxDataViewItem GetSelection() const;
 495     wxDataViewSelection GetSelections(){ return m_selection; }
 496     void SetSelections( const wxDataViewSelection & sel ) { m_selection = sel; UpdateDisplay(); }
 497     void Select( const wxArrayInt& aSelections );
 498     void SelectAllRows( bool on );
 499     void SelectRow( unsigned int row, bool on );
 500     void SelectRows( unsigned int from, unsigned int to, bool on );
 501     void ReverseRowSelection( unsigned int row );
 502     bool IsRowSelected( unsigned int row );
 503     void SendSelectionChangedEvent( const wxDataViewItem& item);
 504
 505     void RefreshRow( unsigned int row );
 506     void RefreshRows( unsigned int from, unsigned int to );
 507     void RefreshRowsAfter( unsigned int firstRow );
 508
 509     // returns the colour to be used for drawing the rules
 510     wxColour GetRuleColour() const
 511     {
 512         return wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
 513     }
 514
 515     wxRect GetLineRect( unsigned int row ) const;
 516
 517     //Some useful functions for row and item mapping
 518     wxDataViewItem GetItemByRow( unsigned int row ) const;
 519     int GetRowByItem( const wxDataViewItem & item );
 520
 521     //Methods for building the mapping tree
 522     void BuildTree( wxDataViewModel  * model );
 523     void DestroyTree();
 524     void HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column );
 525     wxRect GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column );
 526
 527     void Expand( unsigned int row ) { OnExpanding( row ); }
 528     void Collapse( unsigned int row ) { OnCollapsing( row ); }
 529 private:
 530     wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row );
 531     //We did not need this temporarily
 532     //wxDataViewTreeNode * GetTreeNodeByItem( const wxDataViewItem & item );
 533
 534     int RecalculateCount() ;
 535
 536     wxDataViewEvent SendExpanderEvent( wxEventType type, const wxDataViewItem & item );
 537     void OnExpanding( unsigned int row );
 538     void OnCollapsing( unsigned int row );
 539
 540     wxDataViewTreeNode * FindNode( const wxDataViewItem & item );
 541
 542 private:
 543     wxDataViewCtrl             *m_owner;
 544     int                         m_lineHeight;
 545     bool                        m_dirty;
 546
 547     wxDataViewColumn           *m_currentCol;
 548     unsigned int                m_currentRow;
 549     wxDataViewSelection         m_selection;
 550
 551     wxDataViewRenameTimer      *m_renameTimer;
 552     bool                        m_lastOnSame;
 553
 554     bool                        m_hasFocus;
 555
 556     int                         m_dragCount;
 557     wxPoint                     m_dragStart;
 558
 559     // for double click logic
 560     unsigned int m_lineLastClicked,
 561            m_lineBeforeLastClicked,
 562            m_lineSelectSingleOnUp;
 563
 564     // the pen used to draw horiz/vertical rules
 565     wxPen m_penRule;
 566
 567     // the pen used to draw the expander and the lines
 568     wxPen m_penExpander;
 569
 570     //This is the tree structure of the model
 571     wxDataViewTreeNode * m_root;
 572     int m_count;
 573     //This is the tree node under the cursor
 574     wxDataViewTreeNode * m_underMouse;
 575 private:
 576     DECLARE_DYNAMIC_CLASS(wxDataViewMainWindow)
 577     DECLARE_EVENT_TABLE()
 578 };
 579
 580 // ---------------------------------------------------------
 581 // wxGenericDataViewModelNotifier
 582 // ---------------------------------------------------------
 583
 584 class wxGenericDataViewModelNotifier: public wxDataViewModelNotifier
 585 {
 586 public:
 587     wxGenericDataViewModelNotifier( wxDataViewMainWindow *mainWindow )
 588         { m_mainWindow = mainWindow; }
 589
 590     virtual bool ItemAdded( const wxDataViewItem & parent, const wxDataViewItem & item )
 591         { return m_mainWindow->ItemAdded( parent , item ); }
 592     virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
 593         { return m_mainWindow->ItemDeleted( parent, item ); }
 594     virtual bool ItemChanged( const wxDataViewItem & item )
 595         { return m_mainWindow->ItemChanged(item);  }
 596     virtual bool ValueChanged( const wxDataViewItem & item , unsigned int col )
 597         { return m_mainWindow->ValueChanged( item, col ); }
 598     virtual bool Cleared()
 599         { return m_mainWindow->Cleared(); }
 600     virtual void Resort()
 601          { m_mainWindow->Resort(); }
 602
 603     wxDataViewMainWindow    *m_mainWindow;
 604 };
 605
 606 // ---------------------------------------------------------
 607 // wxDataViewRenderer
 608 // ---------------------------------------------------------
 609
 610 IMPLEMENT_ABSTRACT_CLASS(wxDataViewRenderer, wxDataViewRendererBase)
 611
 612 wxDataViewRenderer::wxDataViewRenderer( const wxString &varianttype,
 613                                         wxDataViewCellMode mode,
 614                                         int align) :
 615     wxDataViewRendererBase( varianttype, mode, align )
 616 {
 617     m_dc = NULL;
 618     m_align = align;
 619     m_mode = mode;
 620     m_wantsAttr = false;
 621     m_hasAttr = false;
 622 }
 623
 624 wxDataViewRenderer::~wxDataViewRenderer()
 625 {
 626     if (m_dc)
 627         delete m_dc;
 628 }
 629
 630 wxDC *wxDataViewRenderer::GetDC()
 631 {
 632     if (m_dc == NULL)
 633     {
 634         if (GetOwner() == NULL)
 635             return NULL;
 636         if (GetOwner()->GetOwner() == NULL)
 637             return NULL;
 638         m_dc = new wxClientDC( GetOwner()->GetOwner() );
 639     }
 640
 641     return m_dc;
 642 }
 643
 644 void wxDataViewRenderer::SetAlignment( int align )
 645 {
 646     m_align=align;
 647 }
 648
 649 int wxDataViewRenderer::GetAlignment() const
 650 {
 651     return m_align;
 652 }
 653
 654 int wxDataViewRenderer::CalculateAlignment() const
 655 {
 656     if (m_align == wxDVR_DEFAULT_ALIGNMENT)
 657     {
 658         if (GetOwner() == NULL)
 659            return wxALIGN_LEFT | wxALIGN_CENTRE_VERTICAL;
 660
 661         return GetOwner()->GetAlignment() | wxALIGN_CENTRE_VERTICAL;
 662     }
 663
 664     return m_align;
 665 }
 666
 667 // ---------------------------------------------------------
 668 // wxDataViewCustomRenderer
 669 // ---------------------------------------------------------
 670
 671 IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
 672
 673 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
 674                           wxDataViewCellMode mode, int align ) :
 675     wxDataViewRenderer( varianttype, mode, align )
 676 {
 677 }
 678
 679 void wxDataViewCustomRenderer::RenderText( const wxString &text, int xoffset, wxRect cell, wxDC *dc, int state )
 680 {
 681     wxDataViewCtrl *view = GetOwner()->GetOwner();
 682     wxColour col = (state & wxDATAVIEW_CELL_SELECTED) ?
 683                         wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) :
 684                         view->GetForegroundColour();
 685     dc->SetTextForeground(col);
 686     dc->DrawText( text, cell.x + xoffset, cell.y + ((cell.height - dc->GetCharHeight()) / 2));
 687 }
 688
 689 // ---------------------------------------------------------
 690 // wxDataViewTextRenderer
 691 // ---------------------------------------------------------
 692
 693 IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewCustomRenderer)
 694
 695 wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype,
 696                                                 wxDataViewCellMode mode, int align ) :
 697     wxDataViewCustomRenderer( varianttype, mode, align )
 698 {
 699 }
 700
 701 bool wxDataViewTextRenderer::SetValue( const wxVariant &value )
 702 {
 703     m_text = value.GetString();
 704
 705     return true;
 706 }
 707
 708 bool wxDataViewTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
 709 {
 710     return false;
 711 }
 712
 713 bool wxDataViewTextRenderer::HasEditorCtrl()
 714 {
 715     return true;
 716 }
 717
 718 wxControl* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent,
 719         wxRect labelRect, const wxVariant &value )
 720 {
 721     return new wxTextCtrl( parent, wxID_ANY, value,
 722                            wxPoint(labelRect.x,labelRect.y),
 723                            wxSize(labelRect.width,labelRect.height) );
 724 }
 725
 726 bool wxDataViewTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant &value )
 727 {
 728     wxTextCtrl *text = (wxTextCtrl*) editor;
 729     value = text->GetValue();
 730     return true;
 731 }
 732
 733 bool wxDataViewTextRenderer::Render( wxRect cell, wxDC *dc, int state )
 734 {
 735     RenderText( m_text, 0, cell, dc, state );
 736     return true;
 737 }
 738
 739 wxSize wxDataViewTextRenderer::GetSize() const
 740 {
 741     const wxDataViewCtrl *view = GetView();
 742     if (!m_text.empty())
 743     {
 744         int x,y;
 745         view->GetTextExtent( m_text, &x, &y );
 746         return wxSize( x, y );
 747     }
 748     return wxSize(80,20);
 749 }
 750
 751 // ---------------------------------------------------------
 752 // wxDataViewTextRendererAttr
 753 // ---------------------------------------------------------
 754
 755 IMPLEMENT_CLASS(wxDataViewTextRendererAttr, wxDataViewTextRenderer)
 756
 757 wxDataViewTextRendererAttr::wxDataViewTextRendererAttr( const wxString &varianttype,
 758                             wxDataViewCellMode mode, int align ) :
 759     wxDataViewTextRenderer( varianttype, mode, align )
 760 {
 761     m_wantsAttr = true;
 762 }
 763
 764 bool wxDataViewTextRendererAttr::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 765 {
 766     wxFont font;
 767     wxColour colour;
 768
 769     if (m_hasAttr)
 770     {
 771         if (m_attr.HasColour())
 772         {
 773             colour = dc->GetTextForeground();
 774             dc->SetTextForeground( m_attr.GetColour() );
 775         }
 776
 777         if (m_attr.GetBold() || m_attr.GetItalic())
 778         {
 779              font = dc->GetFont();
 780              wxFont myfont = font;
 781              if (m_attr.GetBold())
 782                  myfont.SetWeight( wxFONTWEIGHT_BOLD );
 783              if (m_attr.GetItalic())
 784                  myfont.SetStyle( wxFONTSTYLE_ITALIC );
 785              dc->SetFont( myfont );
 786         }
 787     }
 788
 789     dc->DrawText( m_text, cell.x, cell.y + ((cell.height - dc->GetCharHeight()) / 2));
 790
 791     // restore dc
 792     if (m_hasAttr)
 793     {
 794         if (m_attr.HasColour())
 795             dc->SetTextForeground( colour );
 796
 797         if (m_attr.GetBold() || m_attr.GetItalic())
 798             dc->SetFont( font );
 799     }
 800
 801     return true;
 802 }
 803
 804
 805 // ---------------------------------------------------------
 806 // wxDataViewBitmapRenderer
 807 // ---------------------------------------------------------
 808
 809 IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewCustomRenderer)
 810
 811 wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype,
 812                                                     wxDataViewCellMode mode, int align ) :
 813     wxDataViewCustomRenderer( varianttype, mode, align )
 814 {
 815 }
 816
 817 bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
 818 {
 819     if (value.GetType() == wxT("wxBitmap"))
 820         m_bitmap << value;
 821     if (value.GetType() == wxT("wxIcon"))
 822         m_icon << value;
 823
 824     return true;
 825 }
 826
 827 bool wxDataViewBitmapRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
 828 {
 829     return false;
 830 }
 831
 832 bool wxDataViewBitmapRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 833 {
 834     if (m_bitmap.Ok())
 835         dc->DrawBitmap( m_bitmap, cell.x, cell.y );
 836     else if (m_icon.Ok())
 837         dc->DrawIcon( m_icon, cell.x, cell.y );
 838
 839     return true;
 840 }
 841
 842 wxSize wxDataViewBitmapRenderer::GetSize() const
 843 {
 844     if (m_bitmap.Ok())
 845         return wxSize( m_bitmap.GetWidth(), m_bitmap.GetHeight() );
 846     else if (m_icon.Ok())
 847         return wxSize( m_icon.GetWidth(), m_icon.GetHeight() );
 848
 849     return wxSize(16,16);
 850 }
 851
 852 // ---------------------------------------------------------
 853 // wxDataViewToggleRenderer
 854 // ---------------------------------------------------------
 855
 856 IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleRenderer, wxDataViewCustomRenderer)
 857
 858 wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
 859                         wxDataViewCellMode mode, int align ) :
 860     wxDataViewCustomRenderer( varianttype, mode, align )
 861 {
 862     m_toggle = false;
 863 }
 864
 865 bool wxDataViewToggleRenderer::SetValue( const wxVariant &value )
 866 {
 867     m_toggle = value.GetBool();
 868
 869     return true;
 870 }
 871
 872 bool wxDataViewToggleRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
 873 {
 874     return false;
 875 }
 876
 877 bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 878 {
 879     // User wxRenderer here
 880
 881     wxRect rect;
 882     rect.x = cell.x + cell.width/2 - 10;
 883     rect.width = 20;
 884     rect.y = cell.y + cell.height/2 - 10;
 885     rect.height = 20;
 886
 887     int flags = 0;
 888     if (m_toggle)
 889         flags |= wxCONTROL_CHECKED;
 890     if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE)
 891         flags |= wxCONTROL_DISABLED;
 892
 893     wxRendererNative::Get().DrawCheckBox(
 894             GetOwner()->GetOwner(),
 895             *dc,
 896             rect,
 897             flags );
 898
 899     return true;
 900 }
 901
 902 bool wxDataViewToggleRenderer::Activate( wxRect WXUNUSED(cell),
 903                                          wxDataViewModel *model,
 904                                          const wxDataViewItem & item, unsigned int col)
 905 {
 906     bool value = !m_toggle;
 907     wxVariant variant = value;
 908     model->SetValue( variant, item, col);
 909     model->ValueChanged( item, col );
 910     return true;
 911 }
 912
 913 wxSize wxDataViewToggleRenderer::GetSize() const
 914 {
 915     return wxSize(20,20);
 916 }
 917
 918 // ---------------------------------------------------------
 919 // wxDataViewProgressRenderer
 920 // ---------------------------------------------------------
 921
 922 IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressRenderer, wxDataViewCustomRenderer)
 923
 924 wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
 925     const wxString &varianttype, wxDataViewCellMode mode, int align ) :
 926     wxDataViewCustomRenderer( varianttype, mode, align )
 927 {
 928     m_label = label;
 929     m_value = 0;
 930 }
 931
 932 wxDataViewProgressRenderer::~wxDataViewProgressRenderer()
 933 {
 934 }
 935
 936 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
 937 {
 938     m_value = (long) value;
 939
 940     if (m_value < 0) m_value = 0;
 941     if (m_value > 100) m_value = 100;
 942
 943     return true;
 944 }
 945
 946 bool wxDataViewProgressRenderer::GetValue( wxVariant &value ) const
 947 {
 948     value = (long) m_value;
 949     return true;
 950 }
 951
 952 bool wxDataViewProgressRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 953 {
 954     double pct = (double)m_value / 100.0;
 955     wxRect bar = cell;
 956     bar.width = (int)(cell.width * pct);
 957     dc->SetPen( *wxTRANSPARENT_PEN );
 958     dc->SetBrush( *wxBLUE_BRUSH );
 959     dc->DrawRectangle( bar );
 960
 961     dc->SetBrush( *wxTRANSPARENT_BRUSH );
 962     dc->SetPen( *wxBLACK_PEN );
 963     dc->DrawRectangle( cell );
 964
 965     return true;
 966 }
 967
 968 wxSize wxDataViewProgressRenderer::GetSize() const
 969 {
 970     return wxSize(40,12);
 971 }
 972
 973 // ---------------------------------------------------------
 974 // wxDataViewDateRenderer
 975 // ---------------------------------------------------------
 976
 977 #define wxUSE_DATE_RENDERER_POPUP (wxUSE_CALENDARCTRL && wxUSE_POPUPWIN)
 978
 979 #if wxUSE_DATE_RENDERER_POPUP
 980
 981 class wxDataViewDateRendererPopupTransient: public wxPopupTransientWindow
 982 {
 983 public:
 984     wxDataViewDateRendererPopupTransient( wxWindow* parent, wxDateTime *value,
 985         wxDataViewModel *model, const wxDataViewItem & item, unsigned int col) :
 986         wxPopupTransientWindow( parent, wxBORDER_SIMPLE ),
 987         m_item( item )
 988     {
 989         m_model = model;
 990         m_col = col;
 991         m_cal = new wxCalendarCtrl( this, wxID_ANY, *value );
 992         wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL );
 993         sizer->Add( m_cal, 1, wxGROW );
 994         SetSizer( sizer );
 995         sizer->Fit( this );
 996     }
 997
 998     void OnCalendar( wxCalendarEvent &event );
 999
1000     wxCalendarCtrl      *m_cal;
1001     wxDataViewModel *m_model;
1002     unsigned int               m_col;
1003     const wxDataViewItem &   m_item;
1004
1005 protected:
1006     virtual void OnDismiss()
1007     {
1008     }
1009
1010 private:
1011     DECLARE_EVENT_TABLE()
1012 };
1013
1014 BEGIN_EVENT_TABLE(wxDataViewDateRendererPopupTransient,wxPopupTransientWindow)
1015     EVT_CALENDAR( wxID_ANY, wxDataViewDateRendererPopupTransient::OnCalendar )
1016 END_EVENT_TABLE()
1017
1018 void wxDataViewDateRendererPopupTransient::OnCalendar( wxCalendarEvent &event )
1019 {
1020     wxDateTime date = event.GetDate();
1021     wxVariant value = date;
1022     m_model->SetValue( value, m_item, m_col );
1023     m_model->ValueChanged( m_item, m_col );
1024     DismissAndNotify();
1025 }
1026
1027 #endif // wxUSE_DATE_RENDERER_POPUP
1028
1029 IMPLEMENT_ABSTRACT_CLASS(wxDataViewDateRenderer, wxDataViewCustomRenderer)
1030
1031 wxDataViewDateRenderer::wxDataViewDateRenderer( const wxString &varianttype,
1032                         wxDataViewCellMode mode, int align ) :
1033     wxDataViewCustomRenderer( varianttype, mode, align )
1034 {
1035 }
1036
1037 bool wxDataViewDateRenderer::SetValue( const wxVariant &value )
1038 {
1039     m_date = value.GetDateTime();
1040
1041     return true;
1042 }
1043
1044 bool wxDataViewDateRenderer::GetValue( wxVariant &value ) const
1045 {
1046     value = m_date;
1047     return true;
1048 }
1049
1050 bool wxDataViewDateRenderer::Render( wxRect cell, wxDC *dc, int state )
1051 {
1052     wxString tmp = m_date.FormatDate();
1053     RenderText( tmp, 0, cell, dc, state );
1054     return true;
1055 }
1056
1057 wxSize wxDataViewDateRenderer::GetSize() const
1058 {
1059     const wxDataViewCtrl* view = GetView();
1060     wxString tmp = m_date.FormatDate();
1061     wxCoord x,y,d;
1062     view->GetTextExtent( tmp, &x, &y, &d );
1063     return wxSize(x,y+d);
1064 }
1065
1066 bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewModel *model,
1067                                        const wxDataViewItem & item, unsigned int col )
1068 {
1069     wxVariant variant;
1070     model->GetValue( variant, item, col );
1071     wxDateTime value = variant.GetDateTime();
1072
1073 #if wxUSE_DATE_RENDERER_POPUP
1074     wxDataViewDateRendererPopupTransient *popup = new wxDataViewDateRendererPopupTransient(
1075         GetOwner()->GetOwner()->GetParent(), &value, model, item, col);
1076     wxPoint pos = wxGetMousePosition();
1077     popup->Move( pos );
1078     popup->Layout();
1079     popup->Popup( popup->m_cal );
1080 #else // !wxUSE_DATE_RENDERER_POPUP
1081     wxMessageBox(value.Format());
1082 #endif // wxUSE_DATE_RENDERER_POPUP/!wxUSE_DATE_RENDERER_POPUP
1083     return true;
1084 }
1085
1086 // ---------------------------------------------------------
1087 // wxDataViewIconTextRenderer
1088 // ---------------------------------------------------------
1089
1090 IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewCustomRenderer)
1091
1092 wxDataViewIconTextRenderer::wxDataViewIconTextRenderer(
1093   const wxString &varianttype, wxDataViewCellMode mode, int align ) :
1094     wxDataViewCustomRenderer( varianttype, mode, align )
1095 {
1096     SetMode(mode);
1097     SetAlignment(align);
1098 }
1099
1100 wxDataViewIconTextRenderer::~wxDataViewIconTextRenderer()
1101 {
1102 }
1103
1104 bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
1105 {
1106     m_value << value;
1107     return true;
1108 }
1109
1110 bool wxDataViewIconTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
1111 {
1112     return false;
1113 }
1114
1115 bool wxDataViewIconTextRenderer::Render( wxRect cell, wxDC *dc, int state )
1116 {
1117     int xoffset = 0;
1118     const wxIcon &icon = m_value.GetIcon();
1119     if (icon.IsOk())
1120     {
1121         dc->DrawIcon( icon, cell.x, cell.y + ((cell.height - icon.GetHeight()) / 2));
1122         xoffset =  icon.GetWidth()+4;
1123     }
1124
1125     RenderText( m_value.GetText(), xoffset, cell, dc, state );
1126
1127     return true;
1128 }
1129
1130 wxSize wxDataViewIconTextRenderer::GetSize() const
1131 {
1132     const wxDataViewCtrl *view = GetView();
1133     if (!m_value.GetText().empty())
1134     {
1135         int x,y;
1136         view->GetTextExtent( m_value.GetText(), &x, &y );
1137
1138         if (m_value.GetIcon().IsOk())
1139             x += m_value.GetIcon().GetWidth() + 4;
1140         return wxSize( x, y );
1141     }
1142     return wxSize(80,20);
1143 }
1144
1145 wxControl *
1146 wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow * WXUNUSED(parent),
1147                                              wxRect WXUNUSED(labelRect),
1148                                              const wxVariant& WXUNUSED(value))
1149 {
1150     return NULL;
1151 }
1152
1153 bool
1154 wxDataViewIconTextRenderer::GetValueFromEditorCtrl(wxControl* WXUNUSED(editor),
1155                                                    wxVariant& WXUNUSED(value))
1156 {
1157     return false;
1158 }
1159
1160 // ---------------------------------------------------------
1161 // wxDataViewColumn
1162 // ---------------------------------------------------------
1163
1164 IMPLEMENT_ABSTRACT_CLASS(wxDataViewColumn, wxDataViewColumnBase)
1165
1166 wxDataViewColumn::wxDataViewColumn( const wxString &title, wxDataViewRenderer *cell,
1167                                     unsigned int model_column,
1168                                     int width, wxAlignment align, int flags ) :
1169     wxDataViewColumnBase( title, cell, model_column, width, align, flags )
1170 {
1171     SetAlignment(align);
1172     SetTitle(title);
1173     SetFlags(flags);
1174
1175     m_autosize = width < 0;  // TODO
1176
1177     Init(width < 0 ? wxDVC_DEFAULT_WIDTH : width);
1178 }
1179
1180 wxDataViewColumn::wxDataViewColumn( const wxBitmap &bitmap, wxDataViewRenderer *cell,
1181                                     unsigned int model_column,
1182                                     int width, wxAlignment align, int flags ) :
1183     wxDataViewColumnBase( bitmap, cell, model_column, width, align, flags )
1184 {
1185     SetAlignment(align);
1186     SetFlags(flags);
1187
1188     Init(width < 0 ? wxDVC_TOGGLE_DEFAULT_WIDTH : width);
1189 }
1190
1191 wxDataViewColumn::~wxDataViewColumn()
1192 {
1193 }
1194
1195 void wxDataViewColumn::Init( int width )
1196 {
1197     m_width = width;
1198     m_minWidth = wxDVC_DEFAULT_MINWIDTH;
1199     m_ascending = true;
1200 }
1201
1202 void wxDataViewColumn::SetResizeable( bool resizeable )
1203 {
1204     if (resizeable)
1205         m_flags |= wxDATAVIEW_COL_RESIZABLE;
1206     else
1207         m_flags &= ~wxDATAVIEW_COL_RESIZABLE;
1208 }
1209
1210 void wxDataViewColumn::SetHidden( bool hidden )
1211 {
1212     if (hidden)
1213         m_flags |= wxDATAVIEW_COL_HIDDEN;
1214     else
1215         m_flags &= ~wxDATAVIEW_COL_HIDDEN;
1216
1217     // tell our owner to e.g. update its scrollbars:
1218     if (GetOwner())
1219         GetOwner()->OnColumnChange();
1220 }
1221
1222 void wxDataViewColumn::SetSortable( bool sortable )
1223 {
1224     if (sortable)
1225         m_flags |= wxDATAVIEW_COL_SORTABLE;
1226     else
1227         m_flags &= ~wxDATAVIEW_COL_SORTABLE;
1228
1229     // Update header button
1230     if (GetOwner())
1231         GetOwner()->OnColumnChange();
1232 }
1233
1234 void wxDataViewColumn::SetReorderable( bool reorderable )
1235 {
1236     if (reorderable)
1237         m_flags |= wxDATAVIEW_COL_REORDERABLE;
1238     else
1239         m_flags &= ~wxDATAVIEW_COL_REORDERABLE;
1240 }
1241
1242 void wxDataViewColumn::SetSortOrder( bool ascending )
1243 {
1244     m_ascending = ascending;
1245
1246     // Update header button
1247     if (GetOwner())
1248         GetOwner()->OnColumnChange();
1249 }
1250
1251 bool wxDataViewColumn::IsSortOrderAscending() const
1252 {
1253     return m_ascending;
1254 }
1255
1256 void wxDataViewColumn::SetInternalWidth( int width )
1257 {
1258     m_width = width;
1259
1260     // the scrollbars of the wxDataViewCtrl needs to be recalculated!
1261     if (m_owner && m_owner->m_clientArea)
1262         m_owner->m_clientArea->RecalculateDisplay();
1263 }
1264
1265 void wxDataViewColumn::SetWidth( int width )
1266 {
1267     if (m_owner->m_headerArea) m_owner->m_headerArea->UpdateDisplay();
1268
1269     SetInternalWidth(width);
1270 }
1271
1272
1273 //-----------------------------------------------------------------------------
1274 // wxDataViewHeaderWindowBase
1275 //-----------------------------------------------------------------------------
1276
1277 void wxDataViewHeaderWindowBase::SendEvent(wxEventType type, unsigned int n)
1278 {
1279     wxWindow *parent = GetParent();
1280     wxDataViewEvent le(type, parent->GetId());
1281
1282     le.SetEventObject(parent);
1283     le.SetColumn(n);
1284     le.SetDataViewColumn(GetColumn(n));
1285     le.SetModel(GetOwner()->GetModel());
1286
1287     // for events created by wxDataViewHeaderWindow the
1288     // row / value fields are not valid
1289
1290     parent->GetEventHandler()->ProcessEvent(le);
1291 }
1292
1293 #ifdef USE_NATIVE_HEADER_WINDOW
1294
1295 #ifndef HDS_DRAGDROP
1296     #define HDS_DRAGDROP 0x0040
1297 #endif
1298 #ifndef HDS_FULLDRAG
1299     #define HDS_FULLDRAG 0x0080
1300 #endif
1301
1302 // implemented in msw/listctrl.cpp:
1303 int WXDLLIMPEXP_CORE wxMSWGetColumnClicked(NMHDR *nmhdr, POINT *ptClick);
1304
1305 IMPLEMENT_ABSTRACT_CLASS(wxDataViewHeaderWindowMSW, wxWindow)
1306
1307 bool wxDataViewHeaderWindowMSW::Create( wxDataViewCtrl *parent, wxWindowID id,
1308                                         const wxPoint &pos, const wxSize &size,
1309                                         const wxString &name )
1310 {
1311     m_owner = parent;
1312
1313     m_scrollOffsetX = 0;
1314     m_delayedUpdate = false;
1315     m_buttonHeight = wxRendererNative::Get().GetHeaderButtonHeight( this );
1316
1317     int x = pos.x == wxDefaultCoord ? 0 : pos.x,
1318         y = pos.y == wxDefaultCoord ? 0 : pos.y,
1319         w = size.x == wxDefaultCoord ? 1 : size.x,
1320         h = m_buttonHeight;
1321
1322     wxSize new_size(w,h);
1323
1324     if ( !CreateControl(parent, id, pos, new_size, 0, wxDefaultValidator, name) )
1325         return false;
1326
1327     // create the native WC_HEADER window:
1328     WXHWND hwndParent = (HWND)parent->GetHandle();
1329     WXDWORD msStyle = WS_CHILD | HDS_DRAGDROP | HDS_BUTTONS | HDS_HORZ | HDS_HOTTRACK | HDS_FULLDRAG;
1330
1331     if ( m_isShown )
1332         msStyle |= WS_VISIBLE;
1333
1334     m_hWnd = CreateWindowEx(0,
1335                             WC_HEADER,
1336                             (LPCTSTR) NULL,
1337                             msStyle,
1338                             x, y, w, h,
1339                             (HWND)hwndParent,
1340                             (HMENU)-1,
1341                             wxGetInstance(),
1342                             (LPVOID) NULL);
1343     if (m_hWnd == NULL)
1344     {
1345         wxLogLastError(_T("CreateWindowEx"));
1346         return false;
1347     }
1348
1349     // we need to subclass the m_hWnd to force wxWindow::HandleNotify
1350     // to call wxDataViewHeaderWindow::MSWOnNotify
1351     SubclassWin(m_hWnd);
1352
1353     // the following is required to get the default win's font for
1354     // header windows and must be done befor sending the HDM_LAYOUT msg
1355     SetFont(GetFont());
1356
1357     return true;
1358 }
1359
1360 wxDataViewHeaderWindowMSW::~wxDataViewHeaderWindow()
1361 {
1362     UnsubclassWin();
1363 }
1364
1365 wxSize wxDataViewHeaderWindowMSW::DoGetBestSize() const
1366 {
1367     return wxSize( 80, m_buttonHeight+2 );
1368 }
1369
1370 void wxDataViewHeaderWindowMSW::OnInternalIdle()
1371 {
1372     if (m_delayedUpdate)
1373     {
1374         m_delayedUpdate = false;
1375         UpdateDisplay();
1376     }
1377 }
1378
1379 void wxDataViewHeaderWindowMSW::UpdateDisplay()
1380 {
1381     // remove old columns
1382     for (int j=0, max=Header_GetItemCount((HWND)m_hWnd); j < max; j++)
1383         Header_DeleteItem((HWND)m_hWnd, 0);
1384
1385     // add the updated array of columns to the header control
1386     unsigned int cols = GetOwner()->GetColumnCount();
1387     unsigned int added = 0;
1388     for (unsigned int i = 0; i < cols; i++)
1389     {
1390         wxDataViewColumn *col = GetColumn( i );
1391         if (col->IsHidden())
1392             continue;      // don't add it!
1393
1394         HDITEM hdi;
1395         hdi.mask = HDI_TEXT | HDI_FORMAT | HDI_WIDTH;
1396         hdi.pszText = (wxChar *) col->GetTitle().wx_str();
1397         hdi.cxy = col->GetWidth();
1398         hdi.cchTextMax = sizeof(hdi.pszText)/sizeof(hdi.pszText[0]);
1399         hdi.fmt = HDF_LEFT | HDF_STRING;
1400         //hdi.fmt &= ~(HDF_SORTDOWN|HDF_SORTUP);
1401
1402         if (col->IsSortable() && GetOwner()->GetSortingColumn() == col)
1403         {
1404             //The Microsoft Comctrl32.dll 6.0 support SORTUP/SORTDOWN, but they are not default
1405             //see http://msdn2.microsoft.com/en-us/library/ms649534.aspx for more detail
1406             // VZ: works with 5.81
1407             hdi.fmt |= col->IsSortOrderAscending() ? HDF_SORTUP : HDF_SORTDOWN;
1408         }
1409
1410         // lParam is reserved for application's use:
1411         // we store there the column index to use it later in MSWOnNotify
1412         // (since columns may have been hidden)
1413         hdi.lParam = (LPARAM)i;
1414
1415         // the native wxMSW implementation of the header window
1416         // draws the column separator COLUMN_WIDTH_OFFSET pixels
1417         // on the right: to correct this effect we make the column
1418         // exactly COLUMN_WIDTH_OFFSET wider (for the first column):
1419         if (i == 0)
1420             hdi.cxy += COLUMN_WIDTH_OFFSET;
1421
1422         switch (col->GetAlignment())
1423         {
1424         case wxALIGN_LEFT:
1425             hdi.fmt |= HDF_LEFT;
1426             break;
1427         case wxALIGN_CENTER:
1428         case wxALIGN_CENTER_HORIZONTAL:
1429             hdi.fmt |= HDF_CENTER;
1430             break;
1431         case wxALIGN_RIGHT:
1432             hdi.fmt |= HDF_RIGHT;
1433             break;
1434
1435         default:
1436             // such alignment is not allowed for the column header!
1437             break; // wxFAIL;
1438         }
1439
1440         SendMessage((HWND)m_hWnd, HDM_INSERTITEM,
1441                     (WPARAM)added, (LPARAM)&hdi);
1442         added++;
1443     }
1444 }
1445
1446 unsigned int wxDataViewHeaderWindowMSW::GetColumnIdxFromHeader(NMHEADER *nmHDR)
1447 {
1448     unsigned int idx;
1449
1450     // NOTE: we don't just return nmHDR->iItem because when there are
1451     //       hidden columns, nmHDR->iItem may be different from
1452     //       nmHDR->pitem->lParam
1453
1454     if (nmHDR->pitem && nmHDR->pitem->mask & HDI_LPARAM)
1455     {
1456         idx = (unsigned int)nmHDR->pitem->lParam;
1457         return idx;
1458     }
1459
1460     HDITEM item;
1461     item.mask = HDI_LPARAM;
1462     Header_GetItem((HWND)m_hWnd, nmHDR->iItem, &item);
1463
1464     return (unsigned int)item.lParam;
1465 }
1466
1467 bool wxDataViewHeaderWindowMSW::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
1468 {
1469     NMHDR *nmhdr = (NMHDR *)lParam;
1470
1471     // is it a message from the header?
1472     if ( nmhdr->hwndFrom != (HWND)m_hWnd )
1473         return wxWindow::MSWOnNotify(idCtrl, lParam, result);
1474
1475     NMHEADER *nmHDR = (NMHEADER *)nmhdr;
1476     switch ( nmhdr->code )
1477     {
1478         case HDN_BEGINTRACK:
1479             // user has started to resize a column:
1480             // do we need to veto it?
1481             if (!GetColumn(nmHDR->iItem)->IsResizeable())
1482             {
1483                 // veto it!
1484                 *result = TRUE;
1485             }
1486             break;
1487
1488         case HDN_BEGINDRAG:
1489             // user has started to reorder a column
1490             if ((nmHDR->iItem != -1) && (!GetColumn(nmHDR->iItem)->IsReorderable()))
1491             {
1492                 // veto it!
1493                 *result = TRUE;
1494             }
1495             break;
1496
1497         case HDN_ENDDRAG:       // user has finished reordering a column
1498             {
1499                wxDataViewColumn *col = GetColumn(nmHDR->iItem);
1500                unsigned int new_pos = nmHDR->pitem->iOrder;
1501                m_owner->ColumnMoved( col, new_pos );
1502                m_delayedUpdate = true;
1503             }
1504             break;
1505
1506         case HDN_ITEMCHANGING:
1507             if (nmHDR->pitem != NULL &&
1508                 (nmHDR->pitem->mask & HDI_WIDTH) != 0)
1509             {
1510                 int minWidth = GetColumnFromHeader(nmHDR)->GetMinWidth();
1511                 if (nmHDR->pitem->cxy < minWidth)
1512                 {
1513                     // do not allow the user to resize this column under
1514                     // its minimal width:
1515                     *result = TRUE;
1516                 }
1517             }
1518             break;
1519
1520         case HDN_ITEMCHANGED:   // user is resizing a column
1521         case HDN_ENDTRACK:      // user has finished resizing a column
1522
1523             // update the width of the modified column:
1524             if (nmHDR->pitem != NULL &&
1525                 (nmHDR->pitem->mask & HDI_WIDTH) != 0)
1526             {
1527                 unsigned int idx = GetColumnIdxFromHeader(nmHDR);
1528                 unsigned int w = nmHDR->pitem->cxy;
1529                 wxDataViewColumn *col = GetColumn(idx);
1530
1531                 // see UpdateDisplay() for more info about COLUMN_WIDTH_OFFSET
1532                 if (idx == 0 && w > COLUMN_WIDTH_OFFSET)
1533                     w -= COLUMN_WIDTH_OFFSET;
1534
1535                 if (w >= (unsigned)col->GetMinWidth())
1536                     col->SetInternalWidth(w);
1537             }
1538             break;
1539
1540         case HDN_ITEMCLICK:
1541             {
1542                 unsigned int idx = GetColumnIdxFromHeader(nmHDR);
1543                 wxDataViewModel * model = GetOwner()->GetModel();
1544
1545                 if(nmHDR->iButton == 0)
1546                 {
1547                     wxDataViewColumn *col = GetColumn(idx);
1548                     if(col->IsSortable())
1549                     {
1550                         if(model && m_owner->GetSortingColumn() == col)
1551                         {
1552                             bool order = col->IsSortOrderAscending();
1553                             col->SetSortOrder(!order);
1554                         }
1555                         else if(model)
1556                         {
1557                             m_owner->SetSortingColumn(col);
1558                         }
1559                     }
1560                     UpdateDisplay();
1561                     if(model)
1562                         model->Resort();
1563                 }
1564
1565                 wxEventType evt = nmHDR->iButton == 0 ?
1566                         wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK :
1567                         wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK;
1568                 SendEvent(evt, idx);
1569             }
1570             break;
1571
1572         case NM_RCLICK:
1573             {
1574                 // NOTE: for some reason (i.e. for a bug in Windows)
1575                 //       the HDN_ITEMCLICK notification is not sent on
1576                 //       right clicks, so we need to handle NM_RCLICK
1577
1578                 POINT ptClick;
1579                 int column = wxMSWGetColumnClicked(nmhdr, &ptClick);
1580                 if (column != wxNOT_FOUND)
1581                 {
1582                     HDITEM item;
1583                     item.mask = HDI_LPARAM;
1584                     Header_GetItem((HWND)m_hWnd, column, &item);
1585
1586                     // 'idx' may be different from 'column' if there are
1587                     // hidden columns...
1588                     unsigned int idx = (unsigned int)item.lParam;
1589                     SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK,
1590                               idx);
1591                 }
1592             }
1593             break;
1594
1595         case HDN_GETDISPINFOW:
1596             // see wxListCtrl::MSWOnNotify for more info!
1597             break;
1598
1599         case HDN_ITEMDBLCLICK:
1600             {
1601                 unsigned int idx = GetColumnIdxFromHeader(nmHDR);
1602                 int w = GetOwner()->GetBestColumnWidth(idx);
1603
1604                 // update the native control:
1605                 HDITEM hd;
1606                 ZeroMemory(&hd, sizeof(hd));
1607                 hd.mask = HDI_WIDTH;
1608                 hd.cxy = w;
1609                 Header_SetItem(GetHwnd(),
1610                                nmHDR->iItem,  // NOTE: we don't want 'idx' here!
1611                                &hd);
1612
1613                 // update the wxDataViewColumn class:
1614                 GetColumn(idx)->SetInternalWidth(w);
1615             }
1616             break;
1617
1618         default:
1619             return wxWindow::MSWOnNotify(idCtrl, lParam, result);
1620     }
1621
1622     return true;
1623 }
1624
1625 void wxDataViewHeaderWindowMSW::ScrollWindow(int dx, int WXUNUSED(dy),
1626                                              const wxRect * WXUNUSED(rect))
1627 {
1628     m_scrollOffsetX += dx;
1629
1630     GetParent()->Layout();
1631 }
1632
1633 void wxDataViewHeaderWindowMSW::DoSetSize(int x, int y,
1634                                           int w, int h,
1635                                           int f)
1636 {
1637     // TODO: why is there a border + 2px around it?
1638     wxControl::DoSetSize( x+m_scrollOffsetX+1, y+1, w-m_scrollOffsetX-2, h-2, f );
1639 }
1640
1641 #else       // !defined(__WXMSW__)
1642
1643 IMPLEMENT_ABSTRACT_CLASS(wxGenericDataViewHeaderWindow, wxWindow)
1644 BEGIN_EVENT_TABLE(wxGenericDataViewHeaderWindow, wxWindow)
1645     EVT_PAINT         (wxGenericDataViewHeaderWindow::OnPaint)
1646     EVT_MOUSE_EVENTS  (wxGenericDataViewHeaderWindow::OnMouse)
1647     EVT_SET_FOCUS     (wxGenericDataViewHeaderWindow::OnSetFocus)
1648 END_EVENT_TABLE()
1649
1650 bool wxGenericDataViewHeaderWindow::Create(wxDataViewCtrl *parent, wxWindowID id,
1651                                            const wxPoint &pos, const wxSize &size,
1652                                            const wxString &name )
1653 {
1654     m_owner = parent;
1655
1656     if (!wxDataViewHeaderWindowBase::Create(parent, id, pos, size, name))
1657         return false;
1658
1659     wxVisualAttributes attr = wxPanel::GetClassDefaultAttributes();
1660     SetBackgroundStyle( wxBG_STYLE_CUSTOM );
1661     SetOwnForegroundColour( attr.colFg );
1662     SetOwnBackgroundColour( attr.colBg );
1663     if (!m_hasFont)
1664         SetOwnFont( attr.font );
1665
1666     // set our size hints: wxDataViewCtrl will put this wxWindow inside
1667     // a wxBoxSizer and in order to avoid super-big header windows,
1668     // we need to set our height as fixed
1669     SetMinSize(wxSize(-1, HEADER_WINDOW_HEIGHT));
1670     SetMaxSize(wxSize(-1, HEADER_WINDOW_HEIGHT));
1671
1672     return true;
1673 }
1674
1675 void wxGenericDataViewHeaderWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
1676 {
1677     int w, h;
1678     GetClientSize( &w, &h );
1679
1680     wxAutoBufferedPaintDC dc( this );
1681
1682     dc.SetBackground(GetBackgroundColour());
1683     dc.Clear();
1684
1685     int xpix;
1686     m_owner->GetScrollPixelsPerUnit( &xpix, NULL );
1687
1688     int x;
1689     m_owner->GetViewStart( &x, NULL );
1690
1691     // account for the horz scrollbar offset
1692     dc.SetDeviceOrigin( -x * xpix, 0 );
1693
1694     dc.SetFont( GetFont() );
1695
1696     unsigned int cols = GetOwner()->GetColumnCount();
1697     unsigned int i;
1698     int xpos = 0;
1699     for (i = 0; i < cols; i++)
1700     {
1701         wxDataViewColumn *col = GetColumn( i );
1702         if (col->IsHidden())
1703             continue;      // skip it!
1704
1705         int cw = col->GetWidth();
1706         int ch = h;
1707
1708         wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE;
1709         if (col->IsSortable() && GetOwner()->GetSortingColumn() == col)
1710         {
1711             if (col->IsSortOrderAscending())
1712                 sortArrow = wxHDR_SORT_ICON_UP;
1713             else
1714                 sortArrow = wxHDR_SORT_ICON_DOWN;
1715         }
1716
1717         int state = 0;
1718         if (m_parent->IsEnabled())
1719         {
1720             if ((int) i == m_hover)
1721                 state = wxCONTROL_CURRENT;
1722         }
1723         else
1724         {
1725             state = (int) wxCONTROL_DISABLED;
1726         }
1727
1728         wxRendererNative::Get().DrawHeaderButton
1729                                 (
1730                                     this,
1731                                     dc,
1732                                     wxRect(xpos, 0, cw, ch-1),
1733                                     state,
1734                                     sortArrow
1735                                 );
1736
1737         // align as required the column title:
1738         int x = xpos;
1739         wxSize titleSz = dc.GetTextExtent(col->GetTitle());
1740         switch (col->GetAlignment())
1741         {
1742         case wxALIGN_LEFT:
1743             x += HEADER_HORIZ_BORDER;
1744             break;
1745         case wxALIGN_RIGHT:
1746             x += cw - titleSz.GetWidth() - HEADER_HORIZ_BORDER;
1747             break;
1748         default:
1749         case wxALIGN_CENTER:
1750         case wxALIGN_CENTER_HORIZONTAL:
1751             x += (cw - titleSz.GetWidth() - 2 * HEADER_HORIZ_BORDER)/2;
1752             break;
1753         }
1754
1755         // always center the title vertically:
1756         int y = wxMax((ch - titleSz.GetHeight()) / 2, HEADER_VERT_BORDER);
1757
1758         dc.SetClippingRegion( xpos+HEADER_HORIZ_BORDER,
1759                               HEADER_VERT_BORDER,
1760                               wxMax(cw - 2 * HEADER_HORIZ_BORDER, 1),  // width
1761                               wxMax(ch - 2 * HEADER_VERT_BORDER, 1));  // height
1762         dc.DrawText( col->GetTitle(), x, y );
1763         dc.DestroyClippingRegion();
1764
1765         xpos += cw;
1766     }
1767 }
1768
1769 void wxGenericDataViewHeaderWindow::OnSetFocus( wxFocusEvent &event )
1770 {
1771     GetParent()->SetFocus();
1772     event.Skip();
1773 }
1774
1775 void wxGenericDataViewHeaderWindow::OnMouse( wxMouseEvent &event )
1776 {
1777     // we want to work with logical coords
1778     int x;
1779     m_owner->CalcUnscrolledPosition(event.GetX(), 0, &x, NULL);
1780     int y = event.GetY();
1781
1782     if (m_isDragging)
1783     {
1784         // we don't draw the line beyond our window,
1785         // but we allow dragging it there
1786         int w = 0;
1787         GetClientSize( &w, NULL );
1788         m_owner->CalcUnscrolledPosition(w, 0, &w, NULL);
1789         w -= 6;
1790
1791         if (event.ButtonUp())
1792         {
1793             m_isDragging = false;
1794             if (HasCapture())
1795                 ReleaseMouse();
1796
1797             m_dirty = true;
1798         }
1799         m_currentX = wxMax(m_minX + 7, x);
1800
1801         if (m_currentX < w)
1802         {
1803             GetColumn(m_column)->SetWidth(m_currentX - m_minX);
1804             Refresh();
1805             GetOwner()->Refresh();
1806         }
1807
1808     }
1809     else     // not dragging
1810     {
1811         m_minX = 0;
1812         m_column = wxNOT_FOUND;
1813
1814         bool hit_border = false;
1815
1816         // end of the current column
1817         int xpos = 0;
1818
1819         // find the column where this event occured
1820         int countCol = m_owner->GetColumnCount();
1821         for (int column = 0; column < countCol; column++)
1822         {
1823             wxDataViewColumn *p = GetColumn(column);
1824
1825             if (p->IsHidden())
1826                 continue;   // skip if not shown
1827
1828             xpos += p->GetWidth();
1829             m_column = column;
1830             if ((abs(x-xpos) < 3) && (y < 22))
1831             {
1832                 hit_border = true;
1833                 break;
1834             }
1835
1836             if (x < xpos)
1837             {
1838                 // inside the column
1839                 break;
1840             }
1841
1842             m_minX = xpos;
1843         }
1844
1845         int old_hover = m_hover;
1846         m_hover = m_column;
1847         if (event.Leaving())
1848             m_hover = wxNOT_FOUND;
1849         if (old_hover != m_hover)
1850             Refresh();
1851
1852         if (m_column == wxNOT_FOUND)
1853             return;
1854
1855         bool resizeable = GetColumn(m_column)->IsResizeable();
1856         if (event.LeftDClick() && resizeable)
1857         {
1858             GetColumn(m_column)->SetWidth(GetOwner()->GetBestColumnWidth(m_column));
1859             Refresh();
1860         }
1861         else if (event.LeftDown() || event.RightUp())
1862         {
1863             if (hit_border && event.LeftDown() && resizeable)
1864             {
1865                 m_isDragging = true;
1866                 CaptureMouse();
1867                 m_currentX = x;
1868             }
1869             else    // click on a column
1870             {
1871                 wxDataViewModel * model = GetOwner()->GetModel();
1872                 wxEventType evt = event.LeftDown() ?
1873                         wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK :
1874                         wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK;
1875                 SendEvent(evt, m_column);
1876
1877                 //Left click the header
1878                 if(event.LeftDown())
1879                 {
1880                     wxDataViewColumn *col = GetColumn(m_column);
1881                     if(col->IsSortable())
1882                     {
1883                         wxDataViewColumn* sortCol = m_owner->GetSortingColumn();
1884                         if(model && sortCol == col)
1885                         {
1886                             bool order = col->IsSortOrderAscending();
1887                             col->SetSortOrder(!order);
1888                         }
1889                         else if(model)
1890                         {
1891                             m_owner->SetSortingColumn(col);
1892                         }
1893                     }
1894                     UpdateDisplay();
1895                     if(model)
1896                         model->Resort();
1897                     //Send the column sorted event
1898                     SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED, m_column);
1899                 }
1900             }
1901         }
1902         else if (event.Moving())
1903         {
1904             if (hit_border && resizeable)
1905                 m_currentCursor = m_resizeCursor;
1906             else
1907                 m_currentCursor = wxSTANDARD_CURSOR;
1908
1909             SetCursor(*m_currentCursor);
1910         }
1911     }
1912 }
1913
1914 void wxGenericDataViewHeaderWindow::AdjustDC(wxDC& dc)
1915 {
1916     int xpix, x;
1917
1918     m_owner->GetScrollPixelsPerUnit( &xpix, NULL );
1919     m_owner->GetViewStart( &x, NULL );
1920
1921     // shift the DC origin to match the position of the main window horizontal
1922     // scrollbar: this allows us to always use logical coords
1923     dc.SetDeviceOrigin( -x * xpix, 0 );
1924 }
1925
1926 #endif      // defined(__WXMSW__)
1927
1928 //-----------------------------------------------------------------------------
1929 // wxDataViewRenameTimer
1930 //-----------------------------------------------------------------------------
1931
1932 wxDataViewRenameTimer::wxDataViewRenameTimer( wxDataViewMainWindow *owner )
1933 {
1934     m_owner = owner;
1935 }
1936
1937 void wxDataViewRenameTimer::Notify()
1938 {
1939     m_owner->OnRenameTimer();
1940 }
1941
1942 //-----------------------------------------------------------------------------
1943 // wxDataViewMainWindow
1944 //-----------------------------------------------------------------------------
1945
1946 //The tree building helper, declared firstly
1947 static void BuildTreeHelper( wxDataViewModel * model,  wxDataViewItem & item, wxDataViewTreeNode * node);
1948
1949 int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )
1950 {
1951     if (row1 > row2) return 1;
1952     if (row1 == row2) return 0;
1953     return -1;
1954 }
1955
1956
1957 IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
1958
1959 BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
1960     EVT_PAINT         (wxDataViewMainWindow::OnPaint)
1961     EVT_MOUSE_EVENTS  (wxDataViewMainWindow::OnMouse)
1962     EVT_SET_FOCUS     (wxDataViewMainWindow::OnSetFocus)
1963     EVT_KILL_FOCUS    (wxDataViewMainWindow::OnKillFocus)
1964     EVT_CHAR          (wxDataViewMainWindow::OnChar)
1965 END_EVENT_TABLE()
1966
1967 wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
1968     const wxPoint &pos, const wxSize &size, const wxString &name ) :
1969     wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE, name ),
1970     m_selection( wxDataViewSelectionCmp )
1971
1972 {
1973     SetOwner( parent );
1974
1975     m_lastOnSame = false;
1976     m_renameTimer = new wxDataViewRenameTimer( this );
1977
1978     // TODO: user better initial values/nothing selected
1979     m_currentCol = NULL;
1980     m_currentRow = 0;
1981
1982     m_lineHeight = wxMax( 17, GetCharHeight() + 2 ); // 17 = mini icon height + 1
1983
1984     m_dragCount = 0;
1985     m_dragStart = wxPoint(0,0);
1986     m_lineLastClicked = (unsigned int) -1;
1987     m_lineBeforeLastClicked = (unsigned int) -1;
1988     m_lineSelectSingleOnUp = (unsigned int) -1;
1989
1990     m_hasFocus = false;
1991
1992     SetBackgroundColour( *wxWHITE );
1993
1994     SetBackgroundStyle(wxBG_STYLE_CUSTOM);
1995
1996     m_penRule = wxPen(GetRuleColour());
1997
1998     //Here I compose a pen can draw black lines, maybe there are something system colour to use
1999     m_penExpander = wxPen(wxColour(0,0,0));
2000     //Some new added code to deal with the tree structure
2001     m_root = new wxDataViewTreeNode( NULL );
2002     m_root->SetHasChildren(true);
2003
2004     //Make m_count = -1 will cause the class recaculate the real displaying number of rows.
2005     m_count = -1 ;
2006     m_underMouse = NULL;
2007     UpdateDisplay();
2008 }
2009
2010 wxDataViewMainWindow::~wxDataViewMainWindow()
2011 {
2012     DestroyTree();
2013     delete m_renameTimer;
2014 }
2015
2016 void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
2017 {
2018     wxDataViewModel *model = GetOwner()->GetModel();
2019     wxAutoBufferedPaintDC dc( this );
2020
2021 #ifdef __WXMSW__
2022     dc.SetPen( *wxTRANSPARENT_PEN );
2023     dc.SetBrush( wxBrush( GetBackgroundColour()) );
2024     dc.SetBrush( *wxWHITE_BRUSH );
2025     wxSize size( GetClientSize() );
2026     dc.DrawRectangle( 0,0,size.x,size.y );
2027 #endif
2028
2029     // prepare the DC
2030     GetOwner()->PrepareDC( dc );
2031     dc.SetFont( GetFont() );
2032
2033     wxRect update = GetUpdateRegion().GetBox();
2034     m_owner->CalcUnscrolledPosition( update.x, update.y, &update.x, &update.y );
2035
2036     // compute which items needs to be redrawn
2037     unsigned int item_start = wxMax( 0, (update.y / m_lineHeight) );
2038     unsigned int item_count =
2039         wxMin( (int)(((update.y + update.height) / m_lineHeight) - item_start + 1),
2040                (int)(GetRowCount( ) - item_start));
2041     unsigned int item_last = item_start + item_count;
2042
2043     // compute which columns needs to be redrawn
2044     unsigned int cols = GetOwner()->GetColumnCount();
2045     unsigned int col_start = 0;
2046     unsigned int x_start = 0;
2047     for (x_start = 0; col_start < cols; col_start++)
2048     {
2049         wxDataViewColumn *col = GetOwner()->GetColumn(col_start);
2050         if (col->IsHidden())
2051             continue;      // skip it!
2052
2053         unsigned int w = col->GetWidth();
2054         if (x_start+w >= (unsigned int)update.x)
2055             break;
2056
2057         x_start += w;
2058     }
2059
2060     unsigned int col_last = col_start;
2061     unsigned int x_last = x_start;
2062     for (; col_last < cols; col_last++)
2063     {
2064         wxDataViewColumn *col = GetOwner()->GetColumn(col_last);
2065         if (col->IsHidden())
2066             continue;      // skip it!
2067
2068         if (x_last > (unsigned int)update.GetRight())
2069             break;
2070
2071         x_last += col->GetWidth();
2072     }
2073
2074     // Draw horizontal rules if required
2075     if ( m_owner->HasFlag(wxDV_HORIZ_RULES) )
2076     {
2077         dc.SetPen(m_penRule);
2078         dc.SetBrush(*wxTRANSPARENT_BRUSH);
2079
2080         for (unsigned int i = item_start; i <= item_last+1; i++)
2081         {
2082             int y = i * m_lineHeight;
2083             dc.DrawLine(x_start, y, x_last, y);
2084         }
2085     }
2086
2087     // Draw vertical rules if required
2088     if ( m_owner->HasFlag(wxDV_VERT_RULES) )
2089     {
2090         dc.SetPen(m_penRule);
2091         dc.SetBrush(*wxTRANSPARENT_BRUSH);
2092
2093         int x = x_start;
2094         for (unsigned int i = col_start; i < col_last; i++)
2095         {
2096             wxDataViewColumn *col = GetOwner()->GetColumn(i);
2097             if (col->IsHidden())
2098                 continue;       // skip it
2099
2100             dc.DrawLine(x, item_start * m_lineHeight,
2101                         x, item_last * m_lineHeight);
2102
2103             x += col->GetWidth();
2104         }
2105
2106         // Draw last vertical rule
2107         dc.DrawLine(x, item_start * m_lineHeight,
2108                     x, item_last * m_lineHeight);
2109     }
2110
2111     // redraw the background for the items which are selected/current
2112     for (unsigned int item = item_start; item < item_last; item++)
2113     {
2114         bool selected = m_selection.Index( item ) != wxNOT_FOUND;
2115         if (selected || item == m_currentRow)
2116         {
2117             int flags = selected ? (int)wxCONTROL_SELECTED : 0;
2118             if (item == m_currentRow)
2119                 flags |= wxCONTROL_CURRENT;
2120             if (m_hasFocus)
2121                 flags |= wxCONTROL_FOCUSED;
2122
2123             wxRect rect( x_start, item*m_lineHeight, x_last, m_lineHeight );
2124             wxRendererNative::Get().DrawItemSelectionRect
2125                                 (
2126                                     this,
2127                                     dc,
2128                                     rect,
2129                                     flags
2130                                 );
2131         }
2132     }
2133
2134     wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
2135     if (!expander)
2136     {
2137         // TODO: last column for RTL support
2138         expander = GetOwner()->GetColumn( 0 );
2139         GetOwner()->SetExpanderColumn(expander);
2140     }
2141
2142     // redraw all cells for all rows which must be repainted and for all columns
2143     wxRect cell_rect;
2144     cell_rect.x = x_start;
2145     cell_rect.height = m_lineHeight;        // -1 is for the horizontal rules
2146     for (unsigned int i = col_start; i < col_last; i++)
2147     {
2148         wxDataViewColumn *col = GetOwner()->GetColumn( i );
2149         wxDataViewRenderer *cell = col->GetRenderer();
2150         cell_rect.width = col->GetWidth();
2151
2152         if (col->IsHidden())
2153             continue;       // skipt it!
2154
2155
2156         for (unsigned int item = item_start; item < item_last; item++)
2157         {
2158             // get the cell value and set it into the renderer
2159             wxVariant value;
2160             wxDataViewTreeNode *node = NULL;
2161             wxDataViewItem dataitem;
2162
2163             if (m_root)
2164             {
2165                 node = GetTreeNodeByRow(item);
2166                 if( node == NULL )
2167                     continue;
2168
2169                 dataitem = node->GetItem();
2170
2171                 if ((i > 0) && model->IsContainer(dataitem) && !model->HasContainerColumns(dataitem))
2172                     continue;
2173             }
2174             else
2175             {
2176                 dataitem = wxDataViewItem( (void*) item );
2177             }
2178
2179             model->GetValue( value, dataitem, col->GetModelColumn());
2180             cell->SetValue( value );
2181
2182             if (cell->GetWantsAttr())
2183             {
2184                 wxDataViewItemAttr attr;
2185                 bool ret = model->GetAttr( dataitem, col->GetModelColumn(), attr );
2186                 if (ret)
2187                     cell->SetAttr( attr );
2188                 cell->SetHasAttr( ret );
2189             }
2190
2191             // update the y offset
2192             cell_rect.y = item * m_lineHeight;
2193
2194             //Draw the expander here.
2195             int indent = 0;
2196             if ((m_root) && (col == expander))
2197             {
2198                 indent = node->GetIndentLevel();
2199
2200                 //Calculate the indent first
2201                 indent = cell_rect.x + GetOwner()->GetIndent() * indent;
2202
2203                 int expander_width = m_lineHeight - 2*EXPANDER_MARGIN;
2204                 // change the cell_rect.x to the appropriate pos
2205                 int  expander_x = indent + EXPANDER_MARGIN , expander_y = cell_rect.y + EXPANDER_MARGIN ;
2206                 indent = indent + m_lineHeight ;  //try to use the m_lineHeight as the expander space
2207                 dc.SetPen( m_penExpander );
2208                 dc.SetBrush( wxNullBrush );
2209                 if( node->HasChildren() )
2210                 {
2211                     wxRect rect( expander_x , expander_y, expander_width, expander_width);
2212                     int flag = 0;
2213                     if (m_underMouse == node)
2214                     {
2215                         flag |= wxCONTROL_CURRENT;
2216                     }
2217                     if( node->IsOpen() )
2218                         wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag|wxCONTROL_EXPANDED );
2219                     else
2220                         wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);
2221                 }
2222                  //force the expander column to left-center align
2223                  cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
2224             }
2225             if (node && !node->HasChildren())
2226             {
2227                 // Yes, if the node does not have any child, it must be a leaf which
2228                 // mean that it is a temporarily created by GetTreeNodeByRow
2229                 wxDELETE(node)
2230             }
2231
2232             // cannot be bigger than allocated space
2233             wxSize size = cell->GetSize();
2234             // Because of the tree structure indent, here we should minus the width of the cell for drawing
2235             size.x = wxMin( size.x + 2*PADDING_RIGHTLEFT, cell_rect.width - indent );
2236             // size.y = wxMin( size.y, cell_rect.height );
2237             size.y = cell_rect.height;
2238
2239             wxRect item_rect(cell_rect.GetTopLeft(), size);
2240             int align = cell->CalculateAlignment();
2241
2242             // horizontal alignment:
2243             item_rect.x = cell_rect.x;
2244             if (align & wxALIGN_CENTER_HORIZONTAL)
2245                 item_rect.x = cell_rect.x + (cell_rect.width / 2) - (size.x / 2);
2246             else if (align & wxALIGN_RIGHT)
2247                 item_rect.x = cell_rect.x + cell_rect.width - size.x;
2248             //else: wxALIGN_LEFT is the default
2249
2250             // vertical alignment:
2251             item_rect.y = cell_rect.y;
2252             if (align & wxALIGN_CENTER_VERTICAL)
2253                 item_rect.y = cell_rect.y + (cell_rect.height / 2) - (size.y / 2);
2254             else if (align & wxALIGN_BOTTOM)
2255                 item_rect.y = cell_rect.y + cell_rect.height - size.y;
2256             //else: wxALIGN_TOP is the default
2257
2258             // add padding
2259             item_rect.x += PADDING_RIGHTLEFT;
2260             item_rect.width = size.x - 2 * PADDING_RIGHTLEFT;
2261
2262             //Here we add the tree indent
2263             item_rect.x += indent;
2264
2265             int state = 0;
2266             if (m_hasFocus && (m_selection.Index(item) != wxNOT_FOUND))
2267                 state |= wxDATAVIEW_CELL_SELECTED;
2268
2269             // TODO: it would be much more efficient to create a clipping
2270             //       region for the entire column being rendered (in the OnPaint
2271             //       of wxDataViewMainWindow) instead of a single clip region for
2272             //       each cell. However it would mean that each renderer should
2273             //       respect the given wxRect's top & bottom coords, eventually
2274             //       violating only the left & right coords - however the user can
2275             //       make its own renderer and thus we cannot be sure of that.
2276             dc.SetClippingRegion( item_rect );
2277             cell->Render( item_rect, &dc, state );
2278             dc.DestroyClippingRegion();
2279         }
2280
2281         cell_rect.x += cell_rect.width;
2282     }
2283 }
2284
2285 void wxDataViewMainWindow::OnRenameTimer()
2286 {
2287     // We have to call this here because changes may just have
2288     // been made and no screen update taken place.
2289     if ( m_dirty )
2290         wxSafeYield();
2291
2292     int xpos = 0;
2293     unsigned int cols = GetOwner()->GetColumnCount();
2294     unsigned int i;
2295     for (i = 0; i < cols; i++)
2296     {
2297         wxDataViewColumn *c = GetOwner()->GetColumn( i );
2298         if (c->IsHidden())
2299             continue;      // skip it!
2300
2301         if (c == m_currentCol)
2302             break;
2303         xpos += c->GetWidth();
2304     }
2305     wxRect labelRect( xpos, m_currentRow * m_lineHeight,
2306                       m_currentCol->GetWidth(), m_lineHeight );
2307
2308     GetOwner()->CalcScrolledPosition( labelRect.x, labelRect.y,
2309                                      &labelRect.x, &labelRect.y);
2310
2311     wxDataViewItem item = GetItemByRow( m_currentRow );
2312     m_currentCol->GetRenderer()->StartEditing( item, labelRect );
2313
2314 }
2315
2316 //------------------------------------------------------------------
2317 // Helper class for do operation on the tree node
2318 //------------------------------------------------------------------
2319 class DoJob
2320 {
2321 public:
2322     DoJob(){};
2323     virtual ~DoJob(){};
2324
2325     //The return value control how the tree-walker tranverse the tree
2326     // 0: Job done, stop tranverse and return
2327     // 1: Ignore the current node's subtree and continue
2328     // 2: Job not done, continue
2329     enum  { OK = 0 , IGR = 1, CONT = 2 };
2330     virtual int operator() ( wxDataViewTreeNode * node ) = 0 ;
2331     virtual int operator() ( void * n ) = 0;
2332 };
2333
2334 bool Walker( wxDataViewTreeNode * node, DoJob & func )
2335 {
2336     if( node==NULL )
2337         return false;
2338
2339     switch( func( node ) )
2340     {
2341         case DoJob::OK :
2342             return true ;
2343         case DoJob::IGR:
2344             return false;
2345         case DoJob::CONT:
2346             default:
2347                 ;
2348     }
2349
2350     wxDataViewTreeNodes nodes = node->GetNodes();
2351     wxDataViewTreeLeaves leaves = node->GetChildren();
2352
2353     int len_nodes = nodes.GetCount();
2354     int len = leaves.GetCount();
2355     int i = 0, nodes_i = 0;
2356
2357     for( ; i < len ; i ++ )
2358     {
2359         void * n = leaves[i];
2360         if( nodes_i < len_nodes && n == nodes[nodes_i]->GetItem().GetID() )
2361         {
2362             wxDataViewTreeNode * nd = nodes[nodes_i];
2363             nodes_i++;
2364
2365             if( Walker( nd , func ) )
2366                 return true;
2367
2368         }
2369         else
2370             switch( func( n ) )
2371             {
2372                 case DoJob::OK :
2373                     return true ;
2374                 case DoJob::IGR:
2375                     continue;
2376                 case DoJob::CONT:
2377                 default:
2378                     ;
2379             }
2380     }
2381     return false;
2382 }
2383
2384 bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
2385 {
2386     if (!m_root)
2387     {
2388         m_count++;
2389         UpdateDisplay();
2390         return true;
2391     }
2392
2393     SortPrepare();
2394
2395     wxDataViewTreeNode * node;
2396     node = FindNode(parent);
2397
2398     if( node == NULL )
2399         return false;
2400
2401     node->SetHasChildren( true );
2402
2403     if( g_model->IsContainer( item ) )
2404     {
2405         wxDataViewTreeNode * newnode = new wxDataViewTreeNode( node );
2406         newnode->SetItem(item);
2407         newnode->SetHasChildren( true );
2408         node->AddNode( newnode);
2409     }
2410     else
2411         node->AddLeaf( item.GetID() );
2412
2413     node->ChangeSubTreeCount(1);
2414
2415     m_count = -1;
2416     UpdateDisplay();
2417
2418     return true;
2419 }
2420
2421 static void DestroyTreeHelper( wxDataViewTreeNode * node);
2422
2423 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
2424                                        const wxDataViewItem& item)
2425 {
2426     if (!m_root)
2427     {
2428         m_count--;
2429         if( m_currentRow > GetRowCount() )
2430             m_currentRow = m_count - 1;
2431
2432         m_selection.Empty();
2433
2434         UpdateDisplay();
2435
2436         return true;
2437     }
2438
2439     wxDataViewTreeNode * node = FindNode(parent);
2440
2441     wxCHECK_MSG( node != NULL, false, "item not found" );
2442     wxCHECK_MSG( node->GetChildren().Index( item.GetID() ) != wxNOT_FOUND, false, "item not found" );
2443
2444     int sub = -1;
2445     node->GetChildren().Remove( item.GetID() );
2446     //Manuplate selection
2447     if( m_selection.GetCount() > 1 )
2448     {
2449         m_selection.Empty();
2450     }
2451     bool isContainer = false;
2452     wxDataViewTreeNodes nds = node->GetNodes();
2453     for (size_t i = 0; i < nds.GetCount(); i ++)
2454     {
2455         if (nds[i]->GetItem() == item)
2456         {
2457             isContainer = true;
2458             break;
2459         }
2460     }
2461     if( isContainer )
2462     {
2463         wxDataViewTreeNode * n = NULL;
2464         wxDataViewTreeNodes nodes = node->GetNodes();
2465         int len = nodes.GetCount();
2466         for( int i = 0 ; i < len; i ++)
2467         {
2468             if( nodes[i]->GetItem() == item )
2469             {
2470                 n = nodes[i];
2471                 break;
2472             }
2473         }
2474
2475         wxCHECK_MSG( n != NULL, false, "item not found" );
2476
2477         node->GetNodes().Remove( n );
2478         sub -= n->GetSubTreeCount();
2479         ::DestroyTreeHelper(n);
2480     }
2481     //Make the row number invalid and get a new valid one when user call GetRowCount
2482     m_count = -1;
2483     node->ChangeSubTreeCount(sub);
2484
2485     //Change the current row to the last row if the current exceed the max row number
2486     if( m_currentRow > GetRowCount() )
2487         m_currentRow = m_count - 1;
2488
2489     UpdateDisplay();
2490
2491     return true;
2492 }
2493
2494 bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
2495 {
2496     SortPrepare();
2497     g_model->Resort();
2498
2499     //Send event
2500     wxWindow *parent = GetParent();
2501     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2502     le.SetEventObject(parent);
2503     le.SetModel(GetOwner()->GetModel());
2504     le.SetItem(item);
2505     parent->GetEventHandler()->ProcessEvent(le);
2506
2507     return true;
2508 }
2509
2510 bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int col )
2511 {
2512     // NOTE: to be valid, we cannot use e.g. INT_MAX - 1
2513 /*#define MAX_VIRTUAL_WIDTH       100000
2514
2515     wxRect rect( 0, row*m_lineHeight, MAX_VIRTUAL_WIDTH, m_lineHeight );
2516     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2517     Refresh( true, &rect );
2518
2519     return true;
2520 */
2521     SortPrepare();
2522     g_model->Resort();
2523
2524     //Send event
2525     wxWindow *parent = GetParent();
2526     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
2527     le.SetEventObject(parent);
2528     le.SetModel(GetOwner()->GetModel());
2529     le.SetItem(item);
2530     le.SetColumn(col);
2531     le.SetDataViewColumn(GetOwner()->GetColumn(col));
2532     parent->GetEventHandler()->ProcessEvent(le);
2533
2534     return true;
2535 }
2536
2537 bool wxDataViewMainWindow::Cleared()
2538 {
2539     DestroyTree();
2540
2541     SortPrepare();
2542     BuildTree( GetOwner()->GetModel() );
2543
2544     UpdateDisplay();
2545
2546     return true;
2547 }
2548
2549 void wxDataViewMainWindow::UpdateDisplay()
2550 {
2551     m_dirty = true;
2552 }
2553
2554 void wxDataViewMainWindow::OnInternalIdle()
2555 {
2556     wxWindow::OnInternalIdle();
2557
2558     if (m_dirty)
2559     {
2560         RecalculateDisplay();
2561         m_dirty = false;
2562     }
2563 }
2564
2565 void wxDataViewMainWindow::RecalculateDisplay()
2566 {
2567     wxDataViewModel *model = GetOwner()->GetModel();
2568     if (!model)
2569     {
2570         Refresh();
2571         return;
2572     }
2573
2574     int width = GetEndOfLastCol();
2575     int height = GetRowCount() * m_lineHeight;
2576
2577     SetVirtualSize( width, height );
2578     GetOwner()->SetScrollRate( 10, m_lineHeight );
2579
2580     Refresh();
2581 }
2582
2583 void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
2584 {
2585     wxWindow::ScrollWindow( dx, dy, rect );
2586
2587     if (GetOwner()->m_headerArea)
2588         GetOwner()->m_headerArea->ScrollWindow( dx, 0 );
2589 }
2590
2591 void wxDataViewMainWindow::ScrollTo( int rows, int column )
2592 {
2593     int x, y;
2594     m_owner->GetScrollPixelsPerUnit( &x, &y );
2595     int sy = rows*m_lineHeight/y;
2596     int sx = 0;
2597     if( column != -1 )
2598     {
2599         wxRect rect = GetClientRect();
2600         int colnum = 0;
2601         int x_start = 0, x_end = 0, w = 0;
2602         int xx, yy, xe;
2603         m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy );
2604         for (x_start = 0; colnum < column; colnum++)
2605         {
2606             wxDataViewColumn *col = GetOwner()->GetColumn(colnum);
2607             if (col->IsHidden())
2608                 continue;      // skip it!
2609
2610             w = col->GetWidth();
2611             x_start += w;
2612         }
2613
2614         x_end = x_start + w;
2615         xe = xx + rect.width;
2616         if( x_end > xe )
2617         {
2618             sx = ( xx + x_end - xe )/x;
2619         }
2620         if( x_start < xx )
2621         {
2622             sx = x_start/x;
2623         }
2624     }
2625     m_owner->Scroll( sx, sy );
2626 }
2627
2628 int wxDataViewMainWindow::GetCountPerPage() const
2629 {
2630     wxSize size = GetClientSize();
2631     return size.y / m_lineHeight;
2632 }
2633
2634 int wxDataViewMainWindow::GetEndOfLastCol() const
2635 {
2636     int width = 0;
2637     unsigned int i;
2638     for (i = 0; i < GetOwner()->GetColumnCount(); i++)
2639     {
2640         const wxDataViewColumn *c =
2641             wx_const_cast(wxDataViewCtrl*, GetOwner())->GetColumn( i );
2642
2643         if (!c->IsHidden())
2644             width += c->GetWidth();
2645     }
2646     return width;
2647 }
2648
2649 unsigned int wxDataViewMainWindow::GetFirstVisibleRow() const
2650 {
2651     int x = 0;
2652     int y = 0;
2653     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
2654
2655     return y / m_lineHeight;
2656 }
2657
2658 unsigned int wxDataViewMainWindow::GetLastVisibleRow()
2659 {
2660     wxSize client_size = GetClientSize();
2661     m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
2662                                      &client_size.x, &client_size.y );
2663
2664     //we should deal with the pixel here
2665     unsigned int row = ((client_size.y)/m_lineHeight) - 1;
2666
2667     return wxMin( GetRowCount()-1, row );
2668 }
2669
2670 unsigned int wxDataViewMainWindow::GetRowCount()
2671 {
2672     if ( m_count == -1 )
2673     {
2674         m_count = RecalculateCount();
2675         int width, height;
2676         GetVirtualSize( &width, &height );
2677         height = m_count * m_lineHeight;
2678
2679         SetVirtualSize( width, height );
2680     }
2681     return m_count;
2682 }
2683
2684 void wxDataViewMainWindow::ChangeCurrentRow( unsigned int row )
2685 {
2686     m_currentRow = row;
2687
2688     // send event
2689 }
2690
2691 void wxDataViewMainWindow::SelectAllRows( bool on )
2692 {
2693     if (IsEmpty())
2694         return;
2695
2696     if (on)
2697     {
2698         m_selection.Clear();
2699         for (unsigned int i = 0; i < GetRowCount(); i++)
2700             m_selection.Add( i );
2701         Refresh();
2702     }
2703     else
2704     {
2705         unsigned int first_visible = GetFirstVisibleRow();
2706         unsigned int last_visible = GetLastVisibleRow();
2707         unsigned int i;
2708         for (i = 0; i < m_selection.GetCount(); i++)
2709         {
2710             unsigned int row = m_selection[i];
2711             if ((row >= first_visible) && (row <= last_visible))
2712                 RefreshRow( row );
2713         }
2714         m_selection.Clear();
2715     }
2716 }
2717
2718 void wxDataViewMainWindow::SelectRow( unsigned int row, bool on )
2719 {
2720     if (m_selection.Index( row ) == wxNOT_FOUND)
2721     {
2722         if (on)
2723         {
2724             m_selection.Add( row );
2725             RefreshRow( row );
2726         }
2727     }
2728     else
2729     {
2730         if (!on)
2731         {
2732             m_selection.Remove( row );
2733             RefreshRow( row );
2734         }
2735     }
2736 }
2737
2738 void wxDataViewMainWindow::SelectRows( unsigned int from, unsigned int to, bool on )
2739 {
2740     if (from > to)
2741     {
2742         unsigned int tmp = from;
2743         from = to;
2744         to = tmp;
2745     }
2746
2747     unsigned int i;
2748     for (i = from; i <= to; i++)
2749     {
2750         if (m_selection.Index( i ) == wxNOT_FOUND)
2751         {
2752             if (on)
2753                 m_selection.Add( i );
2754         }
2755         else
2756         {
2757             if (!on)
2758                 m_selection.Remove( i );
2759         }
2760     }
2761     RefreshRows( from, to );
2762 }
2763
2764 void wxDataViewMainWindow::Select( const wxArrayInt& aSelections )
2765 {
2766     for (size_t i=0; i < aSelections.GetCount(); i++)
2767     {
2768         int n = aSelections[i];
2769
2770         m_selection.Add( n );
2771         RefreshRow( n );
2772     }
2773 }
2774
2775 void wxDataViewMainWindow::ReverseRowSelection( unsigned int row )
2776 {
2777     if (m_selection.Index( row ) == wxNOT_FOUND)
2778         m_selection.Add( row );
2779     else
2780         m_selection.Remove( row );
2781     RefreshRow( row );
2782 }
2783
2784 bool wxDataViewMainWindow::IsRowSelected( unsigned int row )
2785 {
2786     return (m_selection.Index( row ) != wxNOT_FOUND);
2787 }
2788
2789 void wxDataViewMainWindow::SendSelectionChangedEvent( const wxDataViewItem& item)
2790 {
2791     wxWindow *parent = GetParent();
2792     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, parent->GetId());
2793
2794     le.SetEventObject(parent);
2795     le.SetModel(GetOwner()->GetModel());
2796     le.SetItem( item );
2797
2798     parent->GetEventHandler()->ProcessEvent(le);
2799 }
2800
2801 void wxDataViewMainWindow::RefreshRow( unsigned int row )
2802 {
2803     wxRect rect( 0, row*m_lineHeight, GetEndOfLastCol(), m_lineHeight );
2804     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2805
2806     wxSize client_size = GetClientSize();
2807     wxRect client_rect( 0, 0, client_size.x, client_size.y );
2808     wxRect intersect_rect = client_rect.Intersect( rect );
2809     if (intersect_rect.width > 0)
2810         Refresh( true, &intersect_rect );
2811 }
2812
2813 void wxDataViewMainWindow::RefreshRows( unsigned int from, unsigned int to )
2814 {
2815     if (from > to)
2816     {
2817         unsigned int tmp = to;
2818         to = from;
2819         from = tmp;
2820     }
2821
2822     wxRect rect( 0, from*m_lineHeight, GetEndOfLastCol(), (to-from+1) * m_lineHeight );
2823     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2824
2825     wxSize client_size = GetClientSize();
2826     wxRect client_rect( 0, 0, client_size.x, client_size.y );
2827     wxRect intersect_rect = client_rect.Intersect( rect );
2828     if (intersect_rect.width > 0)
2829         Refresh( true, &intersect_rect );
2830 }
2831
2832 void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
2833 {
2834     unsigned int count = GetRowCount();
2835     if (firstRow > count)
2836         return;
2837
2838     wxRect rect( 0, firstRow*m_lineHeight, GetEndOfLastCol(), count * m_lineHeight );
2839     m_owner->CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
2840
2841     wxSize client_size = GetClientSize();
2842     wxRect client_rect( 0, 0, client_size.x, client_size.y );
2843     wxRect intersect_rect = client_rect.Intersect( rect );
2844     if (intersect_rect.width > 0)
2845         Refresh( true, &intersect_rect );
2846 }
2847
2848 void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event)
2849 {
2850     wxCHECK_RET( newCurrent < GetRowCount(),
2851                  _T("invalid item index in OnArrowChar()") );
2852
2853     // if there is no selection, we cannot move it anywhere
2854     if (!HasCurrentRow())
2855         return;
2856
2857     unsigned int oldCurrent = m_currentRow;
2858
2859     // in single selection we just ignore Shift as we can't select several
2860     // items anyhow
2861     if ( event.ShiftDown() && !IsSingleSel() )
2862     {
2863         RefreshRow( oldCurrent );
2864
2865         ChangeCurrentRow( newCurrent );
2866
2867         // select all the items between the old and the new one
2868         if ( oldCurrent > newCurrent )
2869         {
2870             newCurrent = oldCurrent;
2871             oldCurrent = m_currentRow;
2872         }
2873
2874         SelectRows( oldCurrent, newCurrent, true );
2875         if (oldCurrent!=newCurrent)
2876             SendSelectionChangedEvent(GetItemByRow(m_selection[0]));
2877     }
2878     else // !shift
2879     {
2880         RefreshRow( oldCurrent );
2881
2882         // all previously selected items are unselected unless ctrl is held
2883         if ( !event.ControlDown() )
2884             SelectAllRows(false);
2885
2886         ChangeCurrentRow( newCurrent );
2887
2888         if ( !event.ControlDown() )
2889         {
2890             SelectRow( m_currentRow, true );
2891             SendSelectionChangedEvent(GetItemByRow(m_currentRow));
2892         }
2893         else
2894             RefreshRow( m_currentRow );
2895     }
2896
2897     GetOwner()->EnsureVisible( m_currentRow, -1 );
2898 }
2899
2900 wxRect wxDataViewMainWindow::GetLineRect( unsigned int row ) const
2901 {
2902     wxRect rect;
2903     rect.x = 0;
2904     rect.y = m_lineHeight * row;
2905     rect.width = GetEndOfLastCol();
2906     rect.height = m_lineHeight;
2907
2908     return rect;
2909 }
2910
2911 class RowToItemJob: public DoJob
2912 {
2913 public:
2914     RowToItemJob( unsigned int row , int current ) { this->row = row; this->current = current ;}
2915     virtual ~RowToItemJob(){};
2916
2917     virtual int operator() ( wxDataViewTreeNode * node )
2918     {
2919         current ++;
2920         if( current == static_cast<int>(row))
2921          {
2922             ret = node->GetItem() ;
2923             return DoJob::OK;
2924         }
2925
2926         if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2927         {
2928             current += node->GetSubTreeCount();
2929             return  DoJob::IGR;
2930         }
2931         else
2932         {
2933             //If the current has no child node, we can find the desired item of the row number directly.
2934             //This if can speed up finding in some case, and will has a very good effect when it comes to list view
2935             if( node->GetNodes().GetCount() == 0)
2936             {
2937                 int index = static_cast<int>(row) - current - 1;
2938                 ret = node->GetChildren().Item( index );
2939                 return DoJob::OK;
2940             }
2941             return DoJob::CONT;
2942         }
2943     }
2944
2945     virtual int operator() ( void * n )
2946     {
2947         current ++;
2948         if( current == static_cast<int>(row))
2949          {
2950             ret = wxDataViewItem( n ) ;
2951             return DoJob::OK;
2952         }
2953         return DoJob::CONT;
2954     }
2955     wxDataViewItem GetResult(){ return ret; }
2956 private:
2957     unsigned int row;
2958     int current ;
2959     wxDataViewItem ret;
2960 };
2961
2962 wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
2963 {
2964     if (!m_root)
2965     {
2966         return wxDataViewItem( (void*) row );
2967     }
2968     else
2969     {
2970         RowToItemJob job( row, -2 );
2971         Walker( m_root , job );
2972         return job.GetResult();
2973     }
2974 }
2975
2976 class RowToTreeNodeJob: public DoJob
2977 {
2978 public:
2979     RowToTreeNodeJob( unsigned int row , int current, wxDataViewTreeNode * node )
2980     {
2981         this->row = row;
2982         this->current = current ;
2983         ret = NULL ;
2984         parent = node;
2985     }
2986     virtual ~RowToTreeNodeJob(){};
2987
2988     virtual int operator() ( wxDataViewTreeNode * node )
2989     {
2990         current ++;
2991         if( current == static_cast<int>(row))
2992          {
2993             ret = node ;
2994             return DoJob::OK;
2995         }
2996
2997         if( node->GetSubTreeCount() + current < static_cast<int>(row) )
2998         {
2999             current += node->GetSubTreeCount();
3000             return  DoJob::IGR;
3001         }
3002         else
3003         {
3004             parent = node;
3005             //If the current has no child node, we can find the desired item of the row number directly.
3006             //This if can speed up finding in some case, and will has a very good effect when it comes to list view
3007             if( node->GetNodes().GetCount() == 0)
3008             {
3009                 int index = static_cast<int>(row) - current - 1;
3010                 void * n = node->GetChildren().Item( index );
3011                 ret = new wxDataViewTreeNode( parent ) ;
3012                 ret->SetItem( wxDataViewItem( n ));
3013                 ret->SetHasChildren(false);
3014                 return DoJob::OK;
3015             }
3016             return DoJob::CONT;
3017         }
3018
3019
3020     }
3021
3022     virtual int operator() ( void * n )
3023     {
3024         current ++;
3025         if( current == static_cast<int>(row))
3026          {
3027             ret = new wxDataViewTreeNode( parent ) ;
3028             ret->SetItem( wxDataViewItem( n ));
3029             ret->SetHasChildren(false);
3030             return DoJob::OK;
3031         }
3032
3033         return DoJob::CONT;
3034     }
3035     wxDataViewTreeNode * GetResult(){ return ret; }
3036 private:
3037     unsigned int row;
3038     int current ;
3039     wxDataViewTreeNode * ret;
3040     wxDataViewTreeNode * parent ;
3041 };
3042
3043
3044 wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row)
3045 {
3046     if (!m_root)
3047     {
3048         return NULL;
3049     }
3050     else
3051     {
3052         RowToTreeNodeJob job( row , -2, m_root );
3053         Walker( m_root , job );
3054         return job.GetResult();
3055     }
3056 }
3057
3058 wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type, const wxDataViewItem & item )
3059 {
3060     wxWindow *parent = GetParent();
3061     wxDataViewEvent le(type, parent->GetId());
3062
3063     le.SetEventObject(parent);
3064     le.SetModel(GetOwner()->GetModel());
3065     le.SetItem( item );
3066
3067     parent->GetEventHandler()->ProcessEvent(le);
3068     return le;
3069 }
3070
3071 void wxDataViewMainWindow::OnExpanding( unsigned int row )
3072 {
3073     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
3074     if( node != NULL )
3075     {
3076         if( node->HasChildren())
3077         {
3078             if( !node->IsOpen())
3079             {
3080                wxDataViewEvent e = SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING,node->GetItem());
3081                //Check if the user prevent expanding
3082                if( e.GetSkipped() )
3083                     return;
3084
3085                node->ToggleOpen();
3086                //Here I build the children of current node
3087                if( node->GetChildrenNumber() == 0 )
3088                {
3089                    SortPrepare();
3090                    ::BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node);
3091                }
3092                m_count = -1;
3093                UpdateDisplay();
3094                //Send the expanded event
3095                SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
3096             }
3097             else
3098             {
3099                 SelectRow( row, false );
3100                 SelectRow( row + 1, true );
3101                 ChangeCurrentRow( row + 1 );
3102                 SendSelectionChangedEvent( GetItemByRow(row+1));
3103             }
3104         }
3105         else
3106             delete node;
3107     }
3108 }
3109
3110 void wxDataViewMainWindow::OnCollapsing(unsigned int row)
3111 {
3112     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
3113     if( node != NULL )
3114     {
3115         wxDataViewTreeNode * nd = node;
3116
3117         if( node->HasChildren() && node->IsOpen() )
3118         {
3119             wxDataViewEvent e = SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem());
3120             if( e.GetSkipped() )
3121                 return;
3122             node->ToggleOpen();
3123             m_count = -1;
3124             UpdateDisplay();
3125             SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,nd->GetItem());
3126         }
3127         else
3128         {
3129             node = node->GetParent();
3130             if( node != NULL )
3131             {
3132                 int  parent = GetRowByItem( node->GetItem() ) ;
3133                 if( parent >= 0 )
3134                 {
3135                     SelectRow( row, false);
3136                     SelectRow(parent , true );
3137                     ChangeCurrentRow( parent );
3138                     SendSelectionChangedEvent( node->GetItem() );
3139                 }
3140             }
3141         }
3142         if( !nd->HasChildren())
3143             delete nd;
3144     }
3145 }
3146
3147 wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
3148 {
3149     wxDataViewModel * model = GetOwner()->GetModel();
3150     if( model == NULL )
3151         return NULL;
3152
3153     //Compose the a parent-chain of the finding item
3154     ItemList list;
3155     list.DeleteContents( true );
3156     wxDataViewItem it( item );
3157     while( it.IsOk() )
3158     {
3159         wxDataViewItem * pItem = new wxDataViewItem( it );
3160         list.Insert( pItem );
3161         it = model->GetParent( it );
3162     }
3163
3164     //Find the item along the parent-chain.
3165     //This algorithm is designed to speed up the node-finding method
3166     wxDataViewTreeNode * node = m_root;
3167     for( ItemList::const_iterator iter = list.begin(); iter !=list.end() ; iter++ )
3168     {
3169         if( node->HasChildren() )
3170         {
3171             if( node->GetChildrenNumber() == 0 )
3172             {
3173                 SortPrepare();
3174                 ::BuildTreeHelper(model, node->GetItem(), node);
3175             }
3176
3177             wxDataViewTreeNodes nodes = node->GetNodes();
3178             unsigned int i;
3179             bool found = false;
3180
3181             for (i = 0; i < nodes.GetCount(); i ++)
3182             {
3183                 if (nodes[i]->GetItem() == (**iter))
3184                 {
3185                     if (nodes[i]->GetItem() == item)
3186                        return nodes[i];
3187
3188                     node = nodes[i];
3189                     found = true;
3190                     break;
3191                 }
3192             }
3193             if (!found)
3194                 return NULL;
3195         }
3196         else
3197             return NULL;
3198     }
3199     return NULL;
3200 }
3201
3202 void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column )
3203 {
3204     wxDataViewColumn *col = NULL;
3205     unsigned int cols = GetOwner()->GetColumnCount();
3206     unsigned int colnum = 0;
3207     unsigned int x_start = 0;
3208     int x, y;
3209     m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y );
3210     for (x_start = 0; colnum < cols; colnum++)
3211     {
3212         col = GetOwner()->GetColumn(colnum);
3213         if (col->IsHidden())
3214             continue;      // skip it!
3215
3216         unsigned int w = col->GetWidth();
3217         if (x_start+w >= (unsigned int)x)
3218             break;
3219
3220         x_start += w;
3221     }
3222
3223     column = col;
3224     item = GetItemByRow( y/m_lineHeight );
3225 }
3226
3227 wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column )
3228 {
3229     int row = GetRowByItem(item);
3230     int y = row*m_lineHeight;
3231     int h = m_lineHeight;
3232     int x = 0;
3233     wxDataViewColumn *col = NULL;
3234     for( int i = 0, cols = GetOwner()->GetColumnCount(); i < cols; i ++ )
3235     {
3236        col = GetOwner()->GetColumn( i );
3237        x += col->GetWidth();
3238        if( GetOwner()->GetColumn(i+1) == column )
3239            break;
3240     }
3241     int w = col->GetWidth();
3242     m_owner->CalcScrolledPosition( x, y, &x, &y );
3243     return wxRect(x, y, w, h);
3244 }
3245
3246 int wxDataViewMainWindow::RecalculateCount()
3247 {
3248     if (!m_root)
3249     {
3250         wxDataViewIndexListModel *list_model = (wxDataViewIndexListModel*) GetOwner()->GetModel();
3251 #ifndef __WXMAC__
3252         return list_model->GetLastIndex() + 1;
3253 #else
3254         return list_model->GetLastIndex() - 1;
3255 #endif
3256     }
3257     else
3258     {
3259         return m_root->GetSubTreeCount();
3260     }
3261 }
3262
3263 class ItemToRowJob : public DoJob
3264 {
3265 public:
3266     ItemToRowJob(const wxDataViewItem & item, ItemList::const_iterator iter )
3267     { this->item = item ; ret = -1 ; m_iter = iter ; }
3268     virtual ~ItemToRowJob(){};
3269
3270     //Maybe binary search will help to speed up this process
3271     virtual int operator() ( wxDataViewTreeNode * node)
3272     {
3273          ret ++;
3274          if( node->GetItem() == item )
3275          {
3276              return DoJob::OK;
3277          }
3278
3279          if( node->GetItem() == **m_iter )
3280          {
3281              m_iter++ ;
3282              return DoJob::CONT;
3283          }
3284          else
3285          {
3286              ret += node->GetSubTreeCount();
3287              return DoJob::IGR;
3288          }
3289
3290     }
3291
3292     virtual int operator() ( void * n )
3293     {
3294         ret ++;
3295         if( n == item.GetID() )
3296             return DoJob::OK;
3297         return DoJob::CONT;
3298     }
3299     //the row number is begin from zero
3300     int GetResult(){ return ret -1 ; }
3301 private:
3302     ItemList::const_iterator  m_iter;
3303     wxDataViewItem item;
3304     int ret;
3305
3306 };
3307
3308 int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item)
3309 {
3310     wxDataViewModel * model = GetOwner()->GetModel();
3311     if( model == NULL )
3312         return -1;
3313
3314     if (!m_root)
3315     {
3316         return wxPtrToUInt( item.GetID() );
3317     }
3318     else
3319     {
3320         if( !item.IsOk() )
3321             return -1;
3322
3323         //Compose the a parent-chain of the finding item
3324         ItemList list;
3325         wxDataViewItem * pItem = NULL;
3326         list.DeleteContents( true );
3327         wxDataViewItem it( item );
3328         while( it.IsOk() )
3329         {
3330             pItem = new wxDataViewItem( it );
3331             list.Insert( pItem );
3332             it = model->GetParent( it );
3333         }
3334         pItem = new wxDataViewItem( );
3335         list.Insert( pItem );
3336
3337         ItemToRowJob job( item, list.begin() );
3338         Walker(m_root , job );
3339         return job.GetResult();
3340     }
3341 }
3342
3343 static void BuildTreeHelper( wxDataViewModel * model,  wxDataViewItem & item, wxDataViewTreeNode * node)
3344 {
3345     if( !model->IsContainer( item ) )
3346         return ;
3347
3348     wxDataViewItemArray children;
3349     unsigned int num = model->GetChildren( item, children);
3350     unsigned int index = 0;
3351     while( index < num )
3352     {
3353         if( model->IsContainer( children[index] ) )
3354         {
3355             wxDataViewTreeNode * n = new wxDataViewTreeNode( node );
3356             n->SetItem(children[index]);
3357             n->SetHasChildren( true ) ;
3358             node->AddNode( n );
3359         }
3360         else
3361         {
3362             node->AddLeaf( children[index].GetID() );
3363         }
3364         index ++;
3365     }
3366     node->SetSubTreeCount( num );
3367     wxDataViewTreeNode * n = node->GetParent();
3368     if( n != NULL)
3369         n->ChangeSubTreeCount(num);
3370
3371 }
3372
3373 void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
3374 {
3375     DestroyTree();
3376
3377     if (GetOwner()->GetModel()->IsVirtualListModel())
3378     {
3379         m_count = -1 ;
3380         return;
3381     }
3382
3383     m_root = new wxDataViewTreeNode( NULL );
3384     m_root->SetHasChildren(true);
3385
3386     //First we define a invalid item to fetch the top-level elements
3387     wxDataViewItem item;
3388     SortPrepare();
3389     BuildTreeHelper( model, item, m_root);
3390     m_count = -1 ;
3391 }
3392
3393 static void DestroyTreeHelper( wxDataViewTreeNode * node )
3394 {
3395     if( node->GetNodeNumber() != 0 )
3396     {
3397         int len = node->GetNodeNumber();
3398         int i = 0 ;
3399         wxDataViewTreeNodes& nodes = node->GetNodes();
3400         for( ; i < len; i ++ )
3401         {
3402             DestroyTreeHelper(nodes[i]);
3403         }
3404     }
3405     delete node;
3406 }
3407
3408 void wxDataViewMainWindow::DestroyTree()
3409 {
3410     if (m_root)
3411     {
3412        ::DestroyTreeHelper(m_root);
3413         m_count = 0;
3414         m_root = NULL;
3415     }
3416 }
3417
3418 void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
3419 {
3420     if ( HandleAsNavigationKey(event) )
3421         return;
3422
3423     // no item -> nothing to do
3424     if (!HasCurrentRow())
3425     {
3426         event.Skip();
3427         return;
3428     }
3429
3430     // don't use m_linesPerPage directly as it might not be computed yet
3431     const int pageSize = GetCountPerPage();
3432     wxCHECK_RET( pageSize, _T("should have non zero page size") );
3433
3434     switch ( event.GetKeyCode() )
3435     {
3436         case WXK_RETURN:
3437         {
3438             if (m_currentRow > 0)
3439             {
3440                 wxWindow *parent = GetParent();
3441                 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
3442                 le.SetItem( GetItemByRow(m_currentRow) );
3443                 le.SetEventObject(parent);
3444                 le.SetModel(GetOwner()->GetModel());
3445
3446                 parent->GetEventHandler()->ProcessEvent(le);
3447             }
3448             break;
3449         }
3450         case WXK_UP:
3451             if ( m_currentRow > 0 )
3452                 OnArrowChar( m_currentRow - 1, event );
3453             break;
3454
3455         case WXK_DOWN:
3456             if ( m_currentRow < GetRowCount() - 1 )
3457                 OnArrowChar( m_currentRow + 1, event );
3458             break;
3459         //Add the process for tree expanding/collapsing
3460         case WXK_LEFT:
3461          OnCollapsing(m_currentRow);
3462          break;
3463      case WXK_RIGHT:
3464          OnExpanding( m_currentRow);
3465          break;
3466         case WXK_END:
3467             if (!IsEmpty())
3468                 OnArrowChar( GetRowCount() - 1, event );
3469             break;
3470
3471         case WXK_HOME:
3472             if (!IsEmpty())
3473                 OnArrowChar( 0, event );
3474             break;
3475
3476         case WXK_PAGEUP:
3477             {
3478                 int steps = pageSize - 1;
3479                 int index = m_currentRow - steps;
3480                 if (index < 0)
3481                     index = 0;
3482
3483                 OnArrowChar( index, event );
3484             }
3485             break;
3486
3487         case WXK_PAGEDOWN:
3488             {
3489                 int steps = pageSize - 1;
3490                 unsigned int index = m_currentRow + steps;
3491                 unsigned int count = GetRowCount();
3492                 if ( index >= count )
3493                     index = count - 1;
3494
3495                 OnArrowChar( index, event );
3496             }
3497             break;
3498
3499         default:
3500             event.Skip();
3501     }
3502 }
3503
3504 void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
3505 {
3506     if (event.GetEventType() == wxEVT_MOUSEWHEEL)
3507     {
3508         // let the base handle mouse wheel events.
3509         event.Skip();
3510         return;
3511     }
3512
3513     int x = event.GetX();
3514     int y = event.GetY();
3515     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
3516     wxDataViewColumn *col = NULL;
3517
3518     int xpos = 0;
3519     unsigned int cols = GetOwner()->GetColumnCount();
3520     unsigned int i;
3521     for (i = 0; i < cols; i++)
3522     {
3523         wxDataViewColumn *c = GetOwner()->GetColumn( i );
3524         if (c->IsHidden())
3525             continue;      // skip it!
3526
3527         if (x < xpos + c->GetWidth())
3528         {
3529             col = c;
3530             break;
3531         }
3532         xpos += c->GetWidth();
3533     }
3534     if (!col)
3535         return;
3536
3537     wxDataViewRenderer *cell = col->GetRenderer();
3538     unsigned int current = y / m_lineHeight;
3539     if ((current > GetRowCount()) || (x > GetEndOfLastCol()))
3540     {
3541         // Unselect all if below the last row ?
3542         return;
3543     }
3544
3545     //Test whether the mouse is hovered on the tree item button
3546     bool hover = false;
3547     if ((m_root) && (GetOwner()->GetExpanderColumn() == col))
3548     {
3549         wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3550         if( node!=NULL && node->HasChildren() )
3551         {
3552             int indent = node->GetIndentLevel();
3553             indent = GetOwner()->GetIndent()*indent;
3554             wxRect rect( xpos + indent + EXPANDER_MARGIN, current * m_lineHeight + EXPANDER_MARGIN, m_lineHeight-2*EXPANDER_MARGIN,m_lineHeight-2*EXPANDER_MARGIN);
3555             if( rect.Contains( x, y) )
3556             {
3557                 //So the mouse is over the expander
3558                 hover = true;
3559                 if (m_underMouse && m_underMouse != node)
3560                 {
3561                     //wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3562                     RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3563                 }
3564                 if (m_underMouse != node)
3565                 {
3566                     //wxLogMessage("Do the row: %d", current);
3567                     RefreshRow(current);
3568                 }
3569                 m_underMouse = node;
3570             }
3571         }
3572         if (node!=NULL && !node->HasChildren())
3573             delete node;
3574     }
3575     if (!hover)
3576     {
3577         if (m_underMouse != NULL)
3578         {
3579             //wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
3580             RefreshRow(GetRowByItem(m_underMouse->GetItem()));
3581             m_underMouse = NULL;
3582         }
3583     }
3584
3585     wxDataViewModel *model = GetOwner()->GetModel();
3586
3587     if (event.Dragging())
3588     {
3589         if (m_dragCount == 0)
3590         {
3591             // we have to report the raw, physical coords as we want to be
3592             // able to call HitTest(event.m_pointDrag) from the user code to
3593             // get the item being dragged
3594             m_dragStart = event.GetPosition();
3595         }
3596
3597         m_dragCount++;
3598
3599         if (m_dragCount != 3)
3600             return;
3601
3602         if (event.LeftIsDown())
3603         {
3604             // Notify cell about drag
3605         }
3606         return;
3607     }
3608     else
3609     {
3610         m_dragCount = 0;
3611     }
3612
3613     bool forceClick = false;
3614
3615     if (event.ButtonDClick())
3616     {
3617         m_renameTimer->Stop();
3618         m_lastOnSame = false;
3619     }
3620
3621     wxDataViewItem item = GetItemByRow(current);
3622     bool ignore_other_columns =
3623         ((GetOwner()->GetExpanderColumn() != col) &&
3624          (model->IsContainer(item)) &&
3625          (!model->HasContainerColumns(item)));
3626
3627     if (event.LeftDClick())
3628     {
3629         if ( current == m_lineLastClicked )
3630         {
3631             if ((!ignore_other_columns) && (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE))
3632             {
3633                 wxVariant value;
3634                 model->GetValue( value, item, col->GetModelColumn() );
3635                 cell->SetValue( value );
3636                 wxRect cell_rect( xpos, current * m_lineHeight,
3637                                   col->GetWidth(), m_lineHeight );
3638                 cell->Activate( cell_rect, model, item, col->GetModelColumn() );
3639
3640             }
3641             else
3642             {
3643                 wxWindow *parent = GetParent();
3644                 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
3645                 le.SetItem( item );
3646                 le.SetEventObject(parent);
3647                 le.SetModel(GetOwner()->GetModel());
3648
3649                 parent->GetEventHandler()->ProcessEvent(le);
3650             }
3651             return;
3652         }
3653         else
3654         {
3655             // The first click was on another item, so don't interpret this as
3656             // a double click, but as a simple click instead
3657             forceClick = true;
3658         }
3659     }
3660
3661     if (event.LeftUp())
3662     {
3663         if (m_lineSelectSingleOnUp != (unsigned int)-1)
3664         {
3665             // select single line
3666             SelectAllRows( false );
3667             SelectRow( m_lineSelectSingleOnUp, true );
3668         }
3669
3670         //Process the event of user clicking the expander
3671         bool expander = false;
3672         if ((m_root) && (GetOwner()->GetExpanderColumn() == col))
3673         {
3674             wxDataViewTreeNode * node = GetTreeNodeByRow(current);
3675             if( node!=NULL && node->HasChildren() )
3676             {
3677                 int indent = node->GetIndentLevel();
3678                 indent = GetOwner()->GetIndent()*indent;
3679                 wxRect rect( xpos + indent + EXPANDER_MARGIN, current * m_lineHeight + EXPANDER_MARGIN, m_lineHeight-2*EXPANDER_MARGIN,m_lineHeight-2*EXPANDER_MARGIN);
3680                 if( rect.Contains( x, y) )
3681                 {
3682                     expander = true;
3683                     if( node->IsOpen() )
3684                         OnCollapsing(current);
3685                     else
3686                         OnExpanding( current );
3687                 }
3688             }
3689             if (node && !node->HasChildren())
3690                delete node;
3691         }
3692         //If the user click the expander, we do not do editing even if the column with expander are editable
3693         if (m_lastOnSame && !expander && !ignore_other_columns)
3694         {
3695             if ((col == m_currentCol) && (current == m_currentRow) &&
3696                 (cell->GetMode() & wxDATAVIEW_CELL_EDITABLE) )
3697             {
3698                 m_renameTimer->Start( 100, true );
3699             }
3700         }
3701
3702         m_lastOnSame = false;
3703         m_lineSelectSingleOnUp = (unsigned int)-1;
3704     }
3705     else
3706     {
3707         // This is necessary, because after a DnD operation in
3708         // from and to ourself, the up event is swallowed by the
3709         // DnD code. So on next non-up event (which means here and
3710         // now) m_lineSelectSingleOnUp should be reset.
3711         m_lineSelectSingleOnUp = (unsigned int)-1;
3712     }
3713
3714     if (event.RightDown())
3715     {
3716         m_lineBeforeLastClicked = m_lineLastClicked;
3717         m_lineLastClicked = current;
3718
3719         // If the item is already selected, do not update the selection.
3720         // Multi-selections should not be cleared if a selected item is clicked.
3721         if (!IsRowSelected(current))
3722         {
3723             SelectAllRows(false);
3724             ChangeCurrentRow(current);
3725             SelectRow(m_currentRow,true);
3726             SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3727         }
3728
3729         wxVariant value;
3730         model->GetValue( value, item, col->GetModelColumn() );
3731         wxWindow *parent = GetParent();
3732         wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, parent->GetId());
3733         le.SetItem( item );
3734         le.SetEventObject(parent);
3735         le.SetModel(GetOwner()->GetModel());
3736         le.SetValue(value);
3737         parent->GetEventHandler()->ProcessEvent(le);
3738     }
3739     else if (event.MiddleDown())
3740     {
3741     }
3742     if (event.LeftDown() || forceClick)
3743     {
3744         SetFocus();
3745
3746         m_lineBeforeLastClicked = m_lineLastClicked;
3747         m_lineLastClicked = current;
3748
3749         unsigned int oldCurrentRow = m_currentRow;
3750         bool oldWasSelected = IsRowSelected(m_currentRow);
3751
3752         bool cmdModifierDown = event.CmdDown();
3753         if ( IsSingleSel() || !(cmdModifierDown || event.ShiftDown()) )
3754         {
3755             if ( IsSingleSel() || !IsRowSelected(current) )
3756             {
3757                 SelectAllRows( false );
3758                 ChangeCurrentRow(current);
3759                 SelectRow(m_currentRow,true);
3760                 SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
3761             }
3762             else // multi sel & current is highlighted & no mod keys
3763             {
3764                 m_lineSelectSingleOnUp = current;
3765                 ChangeCurrentRow(current); // change focus
3766             }
3767         }
3768         else // multi sel & either ctrl or shift is down
3769         {
3770             if (cmdModifierDown)
3771             {
3772                 ChangeCurrentRow(current);
3773                 ReverseRowSelection(m_currentRow);
3774                 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3775             }
3776             else if (event.ShiftDown())
3777             {
3778                 ChangeCurrentRow(current);
3779
3780                 unsigned int lineFrom = oldCurrentRow,
3781                        lineTo = current;
3782
3783                 if ( lineTo < lineFrom )
3784                 {
3785                     lineTo = lineFrom;
3786                     lineFrom = m_currentRow;
3787                 }
3788
3789                 SelectRows(lineFrom, lineTo, true);
3790                 SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
3791             }
3792             else // !ctrl, !shift
3793             {
3794                 // test in the enclosing if should make it impossible
3795                 wxFAIL_MSG( _T("how did we get here?") );
3796             }
3797         }
3798
3799         if (m_currentRow != oldCurrentRow)
3800             RefreshRow( oldCurrentRow );
3801
3802         wxDataViewColumn *oldCurrentCol = m_currentCol;
3803
3804         // Update selection here...
3805         m_currentCol = col;
3806
3807         m_lastOnSame = !forceClick && ((col == oldCurrentCol) &&
3808                         (current == oldCurrentRow)) && oldWasSelected;
3809
3810         // Call LeftClick after everything else as under GTK+
3811         if (cell->GetMode() & wxDATAVIEW_CELL_ACTIVATABLE)
3812         {
3813             // notify cell about right click
3814             wxVariant value;
3815             model->GetValue( value, item, col->GetModelColumn() );
3816             cell->SetValue( value );
3817             wxRect cell_rect( xpos, current * m_lineHeight,
3818                           col->GetWidth(), m_lineHeight );
3819             /* ignore ret */ cell->LeftClick( event.GetPosition(), cell_rect, model, item, col->GetModelColumn());
3820         }
3821     }
3822 }
3823
3824 void wxDataViewMainWindow::OnSetFocus( wxFocusEvent &event )
3825 {
3826     m_hasFocus = true;
3827
3828     if (HasCurrentRow())
3829         Refresh();
3830
3831     event.Skip();
3832 }
3833
3834 void wxDataViewMainWindow::OnKillFocus( wxFocusEvent &event )
3835 {
3836     m_hasFocus = false;
3837
3838     if (HasCurrentRow())
3839         Refresh();
3840
3841     event.Skip();
3842 }
3843
3844 wxDataViewItem wxDataViewMainWindow::GetSelection() const
3845 {
3846     if( m_selection.GetCount() != 1 )
3847         return wxDataViewItem();
3848
3849     return GetItemByRow( m_selection.Item(0));
3850 }
3851
3852 //-----------------------------------------------------------------------------
3853 // wxDataViewCtrl
3854 //-----------------------------------------------------------------------------
3855 WX_DEFINE_LIST(wxDataViewColumnList)
3856
3857 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
3858
3859 BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
3860     EVT_SIZE(wxDataViewCtrl::OnSize)
3861 END_EVENT_TABLE()
3862
3863 wxDataViewCtrl::~wxDataViewCtrl()
3864 {
3865     if (m_notifier)
3866         GetModel()->RemoveNotifier( m_notifier );
3867
3868     wxDataViewColumnList::const_iterator iter;
3869     for (iter = m_cols.begin(); iter!=m_cols.end(); iter++)
3870     {
3871         delete *iter;
3872     }
3873 }
3874
3875 void wxDataViewCtrl::Init()
3876 {
3877     m_notifier = NULL;
3878 }
3879
3880 bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
3881            const wxPoint& pos, const wxSize& size,
3882            long style, const wxValidator& validator )
3883 {
3884     if ( (style & wxBORDER_MASK) == 0)
3885         style |= wxBORDER_SUNKEN;
3886
3887     if (!wxControl::Create( parent, id, pos, size,
3888                             style | wxScrolledWindowStyle, validator))
3889         return false;
3890
3891     SetInitialSize(size);
3892
3893     Init();
3894
3895 #ifdef __WXMAC__
3896     MacSetClipChildren( true ) ;
3897 #endif
3898
3899     m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
3900
3901     if (HasFlag(wxDV_NO_HEADER))
3902         m_headerArea = NULL;
3903     else
3904         m_headerArea = new wxDataViewHeaderWindow( this, wxID_ANY );
3905
3906     SetTargetWindow( m_clientArea );
3907
3908     wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
3909     if (m_headerArea)
3910         sizer->Add( m_headerArea, 0, wxGROW );
3911     sizer->Add( m_clientArea, 1, wxGROW );
3912     SetSizer( sizer );
3913
3914     return true;
3915 }
3916
3917 #ifdef __WXMSW__
3918 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
3919                                        WXWPARAM wParam,
3920                                        WXLPARAM lParam)
3921 {
3922     WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
3923
3924 #ifndef __WXWINCE__
3925     // we need to process arrows ourselves for scrolling
3926     if ( nMsg == WM_GETDLGCODE )
3927     {
3928         rc |= DLGC_WANTARROWS;
3929     }
3930 #endif
3931
3932     return rc;
3933 }
3934 #endif
3935
3936 void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) )
3937 {
3938     // We need to override OnSize so that our scrolled
3939     // window a) does call Layout() to use sizers for
3940     // positioning the controls but b) does not query
3941     // the sizer for their size and use that for setting
3942     // the scrollable area as set that ourselves by
3943     // calling SetScrollbar() further down.
3944
3945     Layout();
3946
3947     AdjustScrollbars();
3948 }
3949
3950 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
3951 {
3952     if (!wxDataViewCtrlBase::AssociateModel( model ))
3953         return false;
3954
3955     m_notifier = new wxGenericDataViewModelNotifier( m_clientArea );
3956
3957     model->AddNotifier( m_notifier );
3958
3959     m_clientArea->DestroyTree();
3960
3961     m_clientArea->BuildTree(model);
3962
3963     m_clientArea->UpdateDisplay();
3964
3965     return true;
3966 }
3967
3968 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
3969 {
3970     if (!wxDataViewCtrlBase::AppendColumn(col))
3971         return false;
3972
3973     m_cols.Append( col );
3974     OnColumnChange();
3975     return true;
3976 }
3977
3978 bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
3979 {
3980     if (!wxDataViewCtrlBase::PrependColumn(col))
3981         return false;
3982
3983     m_cols.Insert( col );
3984     OnColumnChange();
3985     return true;
3986 }
3987
3988 void wxDataViewCtrl::OnColumnChange()
3989 {
3990     if (m_headerArea)
3991         m_headerArea->UpdateDisplay();
3992
3993     m_clientArea->UpdateDisplay();
3994 }
3995
3996 void wxDataViewCtrl::DoSetExpanderColumn()
3997 {
3998     m_clientArea->UpdateDisplay();
3999 }
4000
4001 void wxDataViewCtrl::DoSetIndent()
4002 {
4003     m_clientArea->UpdateDisplay();
4004 }
4005
4006 unsigned int wxDataViewCtrl::GetColumnCount() const
4007 {
4008     return m_cols.GetCount();
4009 }
4010
4011 wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int pos ) const
4012 {
4013     wxDataViewColumnList::const_iterator iter;
4014     unsigned int i = 0;
4015     for (iter = m_cols.begin(); iter!=m_cols.end(); iter++)
4016     {
4017         if (i == pos)
4018             return *iter;
4019
4020         if ((*iter)->IsHidden())
4021             continue;
4022         i ++;
4023     }
4024     return NULL;
4025 }
4026
4027 void wxDataViewCtrl::ColumnMoved( wxDataViewColumn* col, unsigned int new_pos )
4028 {
4029     if (new_pos > m_cols.GetCount()) return;
4030     m_cols.DeleteObject( col );
4031     m_cols.Insert( new_pos, col );
4032
4033     m_clientArea->UpdateDisplay();
4034 }
4035
4036 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
4037 {
4038     wxDataViewColumnList::compatibility_iterator  ret = m_cols.Find( column );
4039     if (!ret)
4040         return false;
4041
4042     m_cols.Erase(ret);
4043     delete column;
4044     OnColumnChange();
4045
4046     return true;
4047 }
4048
4049 bool wxDataViewCtrl::ClearColumns()
4050 {
4051     m_cols.clear();
4052     OnColumnChange();
4053     return true;
4054 }
4055
4056 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
4057 {
4058     int ret = 0, dead = 0;
4059     int len = GetColumnCount();
4060     for (int i=0; i<len; i++)
4061     {
4062         wxDataViewColumn * col = GetColumn(i);
4063         if (col->IsHidden())
4064             continue;
4065         ret += col->GetWidth();
4066         if (column==col)
4067         {
4068             CalcScrolledPosition( ret, dead, &ret, &dead );
4069             break;
4070         }
4071     }
4072     return ret;
4073 }
4074
4075 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
4076 {
4077     return NULL;
4078 }
4079
4080 //Selection code with wxDataViewItem as parameters
4081 wxDataViewItem wxDataViewCtrl::GetSelection() const
4082 {
4083     return m_clientArea->GetSelection();
4084 }
4085
4086 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
4087 {
4088     sel.Empty();
4089     wxDataViewSelection selection = m_clientArea->GetSelections();
4090     int len = selection.GetCount();
4091     for( int i = 0; i < len; i ++)
4092     {
4093         unsigned int row = selection[i];
4094         sel.Add( m_clientArea->GetItemByRow( row ) );
4095     }
4096     return len;
4097 }
4098
4099 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
4100 {
4101     wxDataViewSelection selection(wxDataViewSelectionCmp) ;
4102     int len = sel.GetCount();
4103     for( int i = 0; i < len; i ++ )
4104     {
4105         int row = m_clientArea->GetRowByItem( sel[i] );
4106         if( row >= 0 )
4107             selection.Add( static_cast<unsigned int>(row) );
4108     }
4109     m_clientArea->SetSelections( selection );
4110 }
4111
4112 void wxDataViewCtrl::Select( const wxDataViewItem & item )
4113 {
4114     int row = m_clientArea->GetRowByItem( item );
4115     if( row >= 0 )
4116     {
4117         //Unselect all rows before select another in the single select mode
4118         if (m_clientArea->IsSingleSel())
4119             m_clientArea->SelectAllRows(false);
4120         m_clientArea->SelectRow(row, true);
4121     }
4122 }
4123
4124 void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
4125 {
4126     int row = m_clientArea->GetRowByItem( item );
4127     if( row >= 0 )
4128         m_clientArea->SelectRow(row, false);
4129 }
4130
4131 bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
4132 {
4133     int row = m_clientArea->GetRowByItem( item );
4134     if( row >= 0 )
4135     {
4136         return m_clientArea->IsRowSelected(row);
4137     }
4138     return false;
4139 }
4140
4141 //Selection code with row number as parameter
4142 int wxDataViewCtrl::GetSelections( wxArrayInt & sel ) const
4143 {
4144     sel.Empty();
4145     wxDataViewSelection selection = m_clientArea->GetSelections();
4146     int len = selection.GetCount();
4147     for( int i = 0; i < len; i ++)
4148     {
4149         unsigned int row = selection[i];
4150         sel.Add( row );
4151     }
4152     return len;
4153 }
4154
4155 void wxDataViewCtrl::SetSelections( const wxArrayInt & sel )
4156 {
4157     wxDataViewSelection selection(wxDataViewSelectionCmp) ;
4158     int len = sel.GetCount();
4159     for( int i = 0; i < len; i ++ )
4160     {
4161         int row = sel[i];
4162         if( row >= 0 )
4163             selection.Add( static_cast<unsigned int>(row) );
4164     }
4165     m_clientArea->SetSelections( selection );
4166 }
4167
4168 void wxDataViewCtrl::Select( int row )
4169 {
4170     if( row >= 0 )
4171     {
4172         if (m_clientArea->IsSingleSel())
4173             m_clientArea->SelectAllRows(false);
4174         m_clientArea->SelectRow( row, true );
4175     }
4176 }
4177
4178 void wxDataViewCtrl::Unselect( int row )
4179 {
4180     if( row >= 0 )
4181         m_clientArea->SelectRow(row, false);
4182 }
4183
4184 bool wxDataViewCtrl::IsSelected( int row ) const
4185 {
4186     if( row >= 0 )
4187         return m_clientArea->IsRowSelected(row);
4188     return false;
4189 }
4190
4191 void wxDataViewCtrl::SelectRange( int from, int to )
4192 {
4193     wxArrayInt sel;
4194     for( int i = from; i < to; i ++ )
4195         sel.Add( i );
4196     m_clientArea->Select(sel);
4197 }
4198
4199 void wxDataViewCtrl::UnselectRange( int from, int to )
4200 {
4201     wxDataViewSelection sel = m_clientArea->GetSelections();
4202     for( int i = from; i < to; i ++ )
4203         if( sel.Index( i ) != wxNOT_FOUND )
4204             sel.Remove( i );
4205     m_clientArea->SetSelections(sel);
4206 }
4207
4208 void wxDataViewCtrl::SelectAll()
4209 {
4210     m_clientArea->SelectAllRows(true);
4211 }
4212
4213 void wxDataViewCtrl::UnselectAll()
4214 {
4215     m_clientArea->SelectAllRows(false);
4216 }
4217
4218 void wxDataViewCtrl::EnsureVisible( int row, int column )
4219 {
4220     if( row < 0 )
4221         row = 0;
4222     if( row > (int) m_clientArea->GetRowCount() )
4223         row = m_clientArea->GetRowCount();
4224
4225     int first = m_clientArea->GetFirstVisibleRow();
4226     int last = m_clientArea->GetLastVisibleRow();
4227     if( row < first )
4228         m_clientArea->ScrollTo( row, column );
4229     else if( row > last )
4230         m_clientArea->ScrollTo( row - last + first, column );
4231     else
4232         m_clientArea->ScrollTo( first, column );
4233 }
4234
4235 void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
4236 {
4237     int row = m_clientArea->GetRowByItem(item);
4238     if( row >= 0 )
4239     {
4240         if( column == NULL )
4241             EnsureVisible(row, -1);
4242         else
4243         {
4244             int col = 0;
4245             int len = GetColumnCount();
4246             for( int i = 0; i < len; i ++ )
4247                 if( GetColumn(i) == column )
4248                 {
4249                     col = i;
4250                     break;
4251                 }
4252             EnsureVisible( row, col );
4253         }
4254     }
4255
4256 }
4257
4258 void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column ) const
4259 {
4260     m_clientArea->HitTest(point, item, column);
4261 }
4262
4263 wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column ) const
4264 {
4265     return m_clientArea->GetItemRect(item, column);
4266 }
4267
4268 wxDataViewItem wxDataViewCtrl::GetItemByRow( unsigned int row ) const
4269 {
4270     return m_clientArea->GetItemByRow( row );
4271 }
4272
4273 int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const
4274 {
4275     return m_clientArea->GetRowByItem( item );
4276 }
4277
4278 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
4279 {
4280     int row = m_clientArea->GetRowByItem( item );
4281     if (row != -1)
4282         m_clientArea->Expand(row);
4283 }
4284
4285 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
4286 {
4287     int row = m_clientArea->GetRowByItem( item );
4288     if (row != -1)
4289         m_clientArea->Collapse(row);
4290 }
4291
4292  #endif
4293     // !wxUSE_GENERICDATAVIEWCTRL
4294
4295 #endif
4296     // wxUSE_DATAVIEWCTRL