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