Fix history in wxWebViewIE when using a custom file scheme.

[wxWidgets.git] / src / generic / datavgen.cpp

diff --git a/src/generic/datavgen.cpp b/src/generic/datavgen.cpp
index 062f101a1e07018846e9cd2cd6a5c48f8dbe3726..ea10aece5504a5376c2bd7ea60de041c7261792e 100644 (file)
--- a/src/generic/datavgen.cpp
+++ b/src/generic/datavgen.cpp
@@ -34,6 +34,7 @@
     #include "wx/settings.h"
     #include "wx/msgdlg.h"
     #include "wx/dcscreen.h"
     #include "wx/settings.h"
     #include "wx/msgdlg.h"
     #include "wx/dcscreen.h"

+    #include "wx/frame.h"

 #endif
 
 #include "wx/stockitem.h"
 #endif
 
 #include "wx/stockitem.h"


@@ -45,13 +46,22 @@
 #include "wx/list.h"
 #include "wx/listimpl.cpp"
 #include "wx/imaglist.h"
 #include "wx/list.h"
 #include "wx/listimpl.cpp"
 #include "wx/imaglist.h"

+#include "wx/headerctrl.h"
+#include "wx/dnd.h"
+#include "wx/stopwatch.h"

 
 //-----------------------------------------------------------------------------
 // classes
 //-----------------------------------------------------------------------------
 
 
 //-----------------------------------------------------------------------------
 // classes
 //-----------------------------------------------------------------------------
 

+class wxDataViewColumn;
+class wxDataViewHeaderWindow;

 class wxDataViewCtrl;
 
 class wxDataViewCtrl;
 

+//-----------------------------------------------------------------------------
+// classes
+//-----------------------------------------------------------------------------
+

 static const int SCROLL_UNIT_X = 15;
 
 // the cell padding on the left/right
 static const int SCROLL_UNIT_X = 15;
 
 // the cell padding on the left/right


@@ -66,198 +76,184 @@ static const int EXPANDER_OFFSET = 4;
 static const int EXPANDER_OFFSET = 1;
 #endif
 
 static const int EXPANDER_OFFSET = 1;
 #endif
 

-//-----------------------------------------------------------------------------
-// wxDataViewHeaderWindow
-//-----------------------------------------------------------------------------
-
-// on wxMSW the header window (only that part however) can be made native!
-#if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
-    #define USE_NATIVE_HEADER_WINDOW
-
-    #include "wx/headerctrl.h"
-#endif
-
-//Below is the compare stuff
-//For the generic implements, both the leaf nodes and the nodes are sorted for fast search when needed
-static wxDataViewModel * g_model;
+// Below is the compare stuff.
+// For the generic implementation, both the leaf nodes and the nodes are sorted for
+// fast search when needed
+static wxDataViewModel* g_model;

 static int g_column = -2;
 static bool g_asending = true;
 
 static int g_column = -2;
 static bool g_asending = true;
 

-// NB: for some reason, this class must be dllexport'ed or we get warnings from
-//     MSVC in DLL build
-class WXDLLIMPEXP_ADV wxDataViewHeaderWindowBase : public
-#ifdef USE_NATIVE_HEADER_WINDOW
-                                                   wxHeaderCtrl
-#else
-                                                   wxControl
-#endif
+//-----------------------------------------------------------------------------
+// wxDataViewColumn
+//-----------------------------------------------------------------------------
+
+void wxDataViewColumn::Init(int width, wxAlignment align, int flags)

 {
 {

-public:
-    wxDataViewHeaderWindowBase()
-        { m_owner = NULL; }
+    m_width = width;
+    m_minWidth = 0;
+    m_align = align;
+    m_flags = flags;
+    m_sort = false;
+    m_sortAscending = true;
+}

 
 

-    bool Create(wxDataViewCtrl *parent, wxWindowID id,
-                const wxPoint &pos, const wxSize &size,
-                const wxString &name)
+int wxDataViewColumn::GetWidth() const
+{
+    switch ( m_width )

     {
     {

-        return wxWindow::Create(parent, id, pos, size, wxNO_BORDER, name);
-    }
+        case wxCOL_WIDTH_DEFAULT:
+            return wxDVC_DEFAULT_WIDTH;

 
 

-    void SetOwner( wxDataViewCtrl* owner ) { m_owner = owner; }
-    wxDataViewCtrl *GetOwner() { return m_owner; }
+        case wxCOL_WIDTH_AUTOSIZE:
+            wxCHECK_MSG( m_owner, wxDVC_DEFAULT_WIDTH, "no owner control" );
+            return m_owner->GetBestColumnWidth(m_owner->GetColumnIndex(this));

 
 

-    // called on column addition/removal
-    virtual void UpdateDisplay() { /* by default, do nothing */ }
+        default:
+            return m_width;
+    }
+}

 
 

-    // returns the n-th column
-    virtual wxDataViewColumn *GetColumn(unsigned int n)
+void wxDataViewColumn::UpdateDisplay()
+{
+    if (m_owner)

     {
     {

-        wxASSERT(m_owner);
-        wxDataViewColumn *ret = m_owner->GetColumn(n);
-        wxASSERT(ret);
-
-        return ret;
+        int idx = m_owner->GetColumnIndex( this );
+        m_owner->OnColumnChange( idx );

     }
     }

+}

 
 

-protected:
-    wxDataViewCtrl      *m_owner;
-
-    // sends an event generated from the n-th wxDataViewColumn
-    void SendEvent(wxEventType type, unsigned int n);
-};
-
-#ifdef USE_NATIVE_HEADER_WINDOW
-
-#define COLUMN_WIDTH_OFFSET         2
-#define wxDataViewHeaderWindowMSW   wxDataViewHeaderWindow
+//-----------------------------------------------------------------------------
+// wxDataViewHeaderWindow
+//-----------------------------------------------------------------------------

 
 

-class wxDataViewHeaderWindowMSW : public wxDataViewHeaderWindowBase
+class wxDataViewHeaderWindow : public wxHeaderCtrl

 {
 public:
 {
 public:

-    wxDataViewHeaderWindowMSW(wxDataViewCtrl *parent)
+    wxDataViewHeaderWindow(wxDataViewCtrl *parent)
+        : wxHeaderCtrl(parent)

     {
     {

-        Create(parent);

     }
 
     }
 

-    bool Create(wxDataViewCtrl *parent);
+    wxDataViewCtrl *GetOwner() const
+        { return static_cast<wxDataViewCtrl *>(GetParent()); }

 
 

-    // called when any column setting is changed and/or changed
-    // the column count
-    virtual void UpdateDisplay();
-
-    virtual void OnInternalIdle();
-
-    // called Refresh afterwards
-    virtual void ScrollWindow(int dx, int dy, const wxRect *rect = NULL);
-
-    virtual wxBorder GetDefaultBorder() const { return wxBORDER_NONE; }
-    

 protected:
 protected:

-    virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
-
-    virtual void DoSetSize(int x, int y, int width, int height, int sizeFlags);
-
-    wxSize DoGetBestSize() const;
+    // implement/override wxHeaderCtrl functions by forwarding them to the main
+    // control
+    virtual const wxHeaderColumn& GetColumn(unsigned int idx) const
+    {
+        return *(GetOwner()->GetColumn(idx));
+    }

 
 

-    unsigned int GetColumnIdxFromHeader(NMHEADER *nmHDR);
+    virtual bool UpdateColumnWidthToFit(unsigned int idx, int widthTitle)
+    {
+        wxDataViewCtrl * const owner = GetOwner();

 
 

-    wxDataViewColumn *GetColumnFromHeader(NMHEADER *nmHDR)
-        { return GetColumn(GetColumnIdxFromHeader(nmHDR)); }
+        int widthContents = owner->GetBestColumnWidth(idx);
+        owner->GetColumn(idx)->SetWidth(wxMax(widthTitle, widthContents));
+        owner->OnColumnChange(idx);

 
 

-    int          m_scrollOffsetX;
-    int          m_buttonHeight;
-    bool         m_vetoColumnDrag;
-    bool         m_delayedUpdate;
+        return true;
+    }

 
 private:
 
 private:

-    DECLARE_DYNAMIC_CLASS(wxDataViewHeaderWindowMSW)
-};
-
-#else       // !defined(__WXMSW__)
-
-#define HEADER_WINDOW_HEIGHT            25
-#define HEADER_HORIZ_BORDER             5
-#define HEADER_VERT_BORDER              3
-#define wxGenericDataViewHeaderWindow   wxDataViewHeaderWindow
-
-class wxGenericDataViewHeaderWindow : public wxDataViewHeaderWindowBase
-{
-public:
-    wxGenericDataViewHeaderWindow( wxDataViewCtrl *parent,
-                                    wxWindowID id = wxID_ANY,
-                                    const wxPoint &pos = wxDefaultPosition,
-                                    const wxSize &size = wxDefaultSize,
-                                    const wxString &name = wxT("wxdataviewctrlheaderwindow") )
+    bool SendEvent(wxEventType type, unsigned int n)

     {
     {

-        Init();
-        Create(parent, id, pos, size, name);
-    }
+        wxDataViewCtrl * const owner = GetOwner();
+        wxDataViewEvent event(type, owner->GetId());

 
 

-    bool Create(wxDataViewCtrl *parent, wxWindowID id,
-                const wxPoint &pos, const wxSize &size,
-                const wxString &name);
+        event.SetEventObject(owner);
+        event.SetColumn(n);
+        event.SetDataViewColumn(owner->GetColumn(n));
+        event.SetModel(owner->GetModel());

 
 

-    ~wxGenericDataViewHeaderWindow()
-    {
-        delete m_resizeCursor;
+        // for events created by wxDataViewHeaderWindow the
+        // row / value fields are not valid
+        return owner->GetEventHandler()->ProcessEvent(event);

     }
 
     }
 

-    virtual void UpdateDisplay() { Refresh(); }
-
-    // event handlers:
-
-    void OnPaint( wxPaintEvent &event );
-    void OnMouse( wxMouseEvent &event );
-    void OnSetFocus( wxFocusEvent &event );
-
+    void OnClick(wxHeaderCtrlEvent& event)
+    {
+        const unsigned idx = event.GetColumn();

 
 

-protected:
+        if ( SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, idx) )
+            return;

 
 

-    // vars used for column resizing:
+        // default handling for the column click is to sort by this column or
+        // toggle its sort order
+        wxDataViewCtrl * const owner = GetOwner();
+        wxDataViewColumn * const col = owner->GetColumn(idx);
+        if ( !col->IsSortable() )
+        {
+            // no default handling for non-sortable columns
+            event.Skip();
+            return;
+        }

 
 

-    wxCursor            *m_resizeCursor;
-    const wxCursor      *m_currentCursor;
-    bool                 m_isDragging;
+        if ( col->IsSortKey() )
+        {
+            // already using this column for sorting, just change the order
+            col->ToggleSortOrder();
+        }
+        else // not using this column for sorting yet
+        {
+            // first unset the old sort column if any
+            int oldSortKey = owner->GetSortingColumnIndex();
+            if ( oldSortKey != wxNOT_FOUND )
+            {
+                owner->GetColumn(oldSortKey)->UnsetAsSortKey();
+                owner->OnColumnChange(oldSortKey);
+            }

 
 

-    bool                 m_dirty;     // needs refresh?
-    int                  m_hover;     // index of the column under the mouse
-    int                  m_column;    // index of the column being resized
-    int                  m_currentX;  // divider line position in logical (unscrolled) coords
-    int                  m_minX;      // minimal position beyond which the divider line
-                                      // can't be dragged in logical coords
+            owner->SetSortingColumnIndex(idx);
+            col->SetAsSortKey();
+        }

 
 

-    // the pen used to draw the current column width drag line
-    // when resizing the columsn
-    wxPen m_penCurrent;
+        wxDataViewModel * const model = owner->GetModel();
+        if ( model )
+            model->Resort();

 
 

+        owner->OnColumnChange(idx);

 
 

-    // internal utilities:
+        SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED, idx);
+    }

 
 

-    void Init()
+    void OnRClick(wxHeaderCtrlEvent& event)

     {
     {

-        m_currentCursor = (wxCursor *) NULL;
-        m_resizeCursor = new wxCursor( wxCURSOR_SIZEWE );
-
-        m_isDragging = false;
-        m_dirty = false;
+        if ( !SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK,
+                        event.GetColumn()) )
+            event.Skip();
+    }

 
 

-        m_hover = wxNOT_FOUND;
-        m_column = wxNOT_FOUND;
-        m_currentX = 0;
-        m_minX = 0;
+    void OnResize(wxHeaderCtrlEvent& event)
+    {
+        wxDataViewCtrl * const owner = GetOwner();

 
 

-        wxColour col = wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT);
-        m_penCurrent = wxPen(col, 1, wxSOLID);
+        const unsigned col = event.GetColumn();
+        owner->GetColumn(col)->SetWidth(event.GetWidth());
+        GetOwner()->OnColumnChange(col);

     }
 
     }
 

-    void AdjustDC(wxDC& dc);
+    void OnEndReorder(wxHeaderCtrlEvent& event)
+    {
+        wxDataViewCtrl * const owner = GetOwner();
+        owner->ColumnMoved(owner->GetColumn(event.GetColumn()),
+                        event.GetNewOrder());
+    }

 
 

-private:
-    DECLARE_DYNAMIC_CLASS(wxGenericDataViewHeaderWindow)

     DECLARE_EVENT_TABLE()
     DECLARE_EVENT_TABLE()

+    wxDECLARE_NO_COPY_CLASS(wxDataViewHeaderWindow);

 };
 
 };
 

-#endif      // defined(__WXMSW__)
+BEGIN_EVENT_TABLE(wxDataViewHeaderWindow, wxHeaderCtrl)
+    EVT_HEADER_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnClick)
+    EVT_HEADER_RIGHT_CLICK(wxID_ANY, wxDataViewHeaderWindow::OnRClick)
+
+    EVT_HEADER_RESIZING(wxID_ANY, wxDataViewHeaderWindow::OnResize)
+    EVT_HEADER_END_RESIZE(wxID_ANY, wxDataViewHeaderWindow::OnResize)
+
+    EVT_HEADER_END_REORDER(wxID_ANY, wxDataViewHeaderWindow::OnEndReorder)
+END_EVENT_TABLE()

 
 //-----------------------------------------------------------------------------
 // wxDataViewRenameTimer
 
 //-----------------------------------------------------------------------------
 // wxDataViewRenameTimer


@@ -276,11 +272,13 @@ public:
 //-----------------------------------------------------------------------------
 // wxDataViewTreeNode
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // wxDataViewTreeNode
 //-----------------------------------------------------------------------------

+

 class wxDataViewTreeNode;
 WX_DEFINE_ARRAY( wxDataViewTreeNode *, wxDataViewTreeNodes );
 WX_DEFINE_ARRAY( void* , wxDataViewTreeLeaves);
 
 class wxDataViewTreeNode;
 WX_DEFINE_ARRAY( wxDataViewTreeNode *, wxDataViewTreeNodes );
 WX_DEFINE_ARRAY( void* , wxDataViewTreeLeaves);
 

-int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1, wxDataViewTreeNode ** node2);
+int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1,
+                                           wxDataViewTreeNode ** node2);

 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2);
 
 class wxDataViewTreeNode
 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2);
 
 class wxDataViewTreeNode


@@ -390,6 +388,21 @@ public:
         }
     }
 
         }
     }
 

+    // returns node corresponding to 'item' if its in m_nodes or NULL otherwise
+    wxDataViewTreeNode *FindItemAsNode(const wxDataViewItem& item) const
+    {
+        for ( wxDataViewTreeNodes::const_iterator i = m_nodes.begin();
+              i != m_nodes.end();
+              ++i )
+        {
+            if( (*i)->GetItem() == item )
+                return *i;
+        }
+
+        return NULL;
+    }
+
+

 private:
     wxDataViewTreeNode  *m_parent;
     wxDataViewTreeNodes  m_nodes;
 private:
     wxDataViewTreeNode  *m_parent;
     wxDataViewTreeNodes  m_nodes;


@@ -400,26 +413,23 @@ private:
     int                  m_subTreeCount;
 };
 
     int                  m_subTreeCount;
 };
 

-int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1, wxDataViewTreeNode ** node2)
+int LINKAGEMODE wxGenericTreeModelNodeCmp( wxDataViewTreeNode ** node1,
+                                           wxDataViewTreeNode ** node2)

 {
     return g_model->Compare( (*node1)->GetItem(), (*node2)->GetItem(), g_column, g_asending );
 }
 
 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2)
 {
 {
     return g_model->Compare( (*node1)->GetItem(), (*node2)->GetItem(), g_column, g_asending );
 }
 
 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2)
 {

-    return g_model->Compare( *id1, *id2, g_column, g_asending );
+    return g_model->Compare( wxDataViewItem(*id1), wxDataViewItem(*id2), g_column, g_asending );

 }
 
 
 }
 
 

-

 //-----------------------------------------------------------------------------
 // wxDataViewMainWindow
 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 // wxDataViewMainWindow
 //-----------------------------------------------------------------------------
 

-WX_DEFINE_SORTED_USER_EXPORTED_ARRAY_SIZE_T(unsigned int, wxDataViewSelection,
-                                            WXDLLIMPEXP_ADV);
-WX_DECLARE_LIST(wxDataViewItem, ItemList);
-WX_DEFINE_LIST(ItemList)
+WX_DEFINE_SORTED_ARRAY_SIZE_T(unsigned int, wxDataViewSelection);

 
 class wxDataViewMainWindow: public wxWindow
 {
 
 class wxDataViewMainWindow: public wxWindow
 {


@@ -431,13 +441,14 @@ public:
                             const wxString &name = wxT("wxdataviewctrlmainwindow") );
     virtual ~wxDataViewMainWindow();
 
                             const wxString &name = wxT("wxdataviewctrlmainwindow") );
     virtual ~wxDataViewMainWindow();
 

+    bool IsList() const { return GetOwner()->GetModel()->IsListModel(); }

     bool IsVirtualList() const { return m_root == NULL; }
 
     // notifications from wxDataViewModel
     bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
     bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
     bool ItemChanged( const wxDataViewItem &item );
     bool IsVirtualList() const { return m_root == NULL; }
 
     // notifications from wxDataViewModel
     bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
     bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
     bool ItemChanged( const wxDataViewItem &item );

-    bool ValueChanged( const wxDataViewItem &item, unsigned int col );
+    bool ValueChanged( const wxDataViewItem &item, unsigned int model_column );

     bool Cleared();
     void Resort()
     {
     bool Cleared();
     void Resort()
     {


@@ -471,6 +482,9 @@ public:
     wxDataViewCtrl *GetOwner() { return m_owner; }
     const wxDataViewCtrl *GetOwner() const { return m_owner; }
 
     wxDataViewCtrl *GetOwner() { return m_owner; }
     const wxDataViewCtrl *GetOwner() const { return m_owner; }
 

+#if wxUSE_DRAG_AND_DROP
+    wxBitmap CreateItemBitmap( unsigned int row, int &indent );
+#endif // wxUSE_DRAG_AND_DROP

     void OnPaint( wxPaintEvent &event );
     void OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event);
     void OnChar( wxKeyEvent &event );
     void OnPaint( wxPaintEvent &event );
     void OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event);
     void OnChar( wxKeyEvent &event );


@@ -487,6 +501,7 @@ public:
     void ScrollWindow( int dx, int dy, const wxRect *rect = NULL );
     void ScrollTo( int rows, int column );
 
     void ScrollWindow( int dx, int dy, const wxRect *rect = NULL );
     void ScrollTo( int rows, int column );
 

+    unsigned GetCurrentRow() const { return m_currentRow; }

     bool HasCurrentRow() { return m_currentRow != (unsigned int)-1; }
     void ChangeCurrentRow( unsigned int row );
 
     bool HasCurrentRow() { return m_currentRow != (unsigned int)-1; }
     void ChangeCurrentRow( unsigned int row );
 


@@ -496,13 +511,17 @@ public:
     int GetCountPerPage() const;
     int GetEndOfLastCol() const;
     unsigned int GetFirstVisibleRow() const;
     int GetCountPerPage() const;
     int GetEndOfLastCol() const;
     unsigned int GetFirstVisibleRow() const;

-    //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
+
+    // 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

     unsigned int GetLastVisibleRow();
     unsigned int GetRowCount();
 
     wxDataViewItem GetSelection() const;
     wxDataViewSelection GetSelections(){ return m_selection; }
     unsigned int GetLastVisibleRow();
     unsigned int GetRowCount();
 
     wxDataViewItem GetSelection() const;
     wxDataViewSelection GetSelections(){ return m_selection; }

-    void SetSelections( const wxDataViewSelection & sel ) { m_selection = sel; UpdateDisplay(); }
+    void SetSelections( const wxDataViewSelection & sel )
+        { m_selection = sel; UpdateDisplay(); }

     void Select( const wxArrayInt& aSelections );
     void SelectAllRows( bool on );
     void SelectRow( unsigned int row, bool on );
     void Select( const wxArrayInt& aSelections );
     void SelectAllRows( bool on );
     void SelectRow( unsigned int row, bool on );


@@ -527,28 +546,42 @@ public:
     int GetLineHeight( unsigned int row ) const; // m_lineHeight in fixed mode
     int GetLineAt( unsigned int y ) const;       // y / m_lineHeight in fixed mode
 
     int GetLineHeight( unsigned int row ) const; // m_lineHeight in fixed mode
     int GetLineAt( unsigned int y ) const;       // y / m_lineHeight in fixed mode
 

-    //Some useful functions for row and item mapping
+    void SetRowHeight( int lineHeight ) { m_lineHeight = lineHeight; }
+
+    // Some useful functions for row and item mapping

     wxDataViewItem GetItemByRow( unsigned int row ) const;
     int GetRowByItem( const wxDataViewItem & item ) const;
 
     wxDataViewItem GetItemByRow( unsigned int row ) const;
     int GetRowByItem( const wxDataViewItem & item ) const;
 

-    //Methods for building the mapping tree
+    // Methods for building the mapping tree

     void BuildTree( wxDataViewModel  * model );
     void DestroyTree();
     void HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column );
     wxRect GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column );
 
     void BuildTree( wxDataViewModel  * model );
     void DestroyTree();
     void HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column );
     wxRect GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column );
 

-    void Expand( unsigned int row ) { OnExpanding( row ); }
-    void Collapse( unsigned int row ) { OnCollapsing( row ); }
+    void Expand( unsigned int row );
+    void Collapse( unsigned int row );
+    bool IsExpanded( unsigned int row ) const;
+    bool HasChildren( unsigned int row ) const;
+
+#if wxUSE_DRAG_AND_DROP
+    bool EnableDragSource( const wxDataFormat &format );
+    bool EnableDropTarget( const wxDataFormat &format );
+
+    void RemoveDropHint();
+    wxDragResult OnDragOver( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def );
+    bool OnDrop( wxDataFormat format, wxCoord x, wxCoord y );
+    wxDragResult OnData( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def );
+    void OnLeave();
+#endif // wxUSE_DRAG_AND_DROP
+

 private:
     wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row ) const;
 private:
     wxDataViewTreeNode * GetTreeNodeByRow( unsigned int row ) const;

-    //We did not need this temporarily
-    //wxDataViewTreeNode * GetTreeNodeByItem( const wxDataViewItem & item );
+    // We did not need this temporarily
+    // wxDataViewTreeNode * GetTreeNodeByItem( const wxDataViewItem & item );

 
     int RecalculateCount();
 
     wxDataViewEvent SendExpanderEvent( wxEventType type, const wxDataViewItem & item );
 
     int RecalculateCount();
 
     wxDataViewEvent SendExpanderEvent( wxEventType type, const wxDataViewItem & item );

-    void OnExpanding( unsigned int row );
-    void OnCollapsing( unsigned int row );

 
     wxDataViewTreeNode * FindNode( const wxDataViewItem & item );
 
 
     wxDataViewTreeNode * FindNode( const wxDataViewItem & item );
 


@@ -566,13 +599,23 @@ private:
 
     bool                        m_hasFocus;
 
 
     bool                        m_hasFocus;
 

+#if wxUSE_DRAG_AND_DROP

     int                         m_dragCount;
     wxPoint                     m_dragStart;
 
     int                         m_dragCount;
     wxPoint                     m_dragStart;
 

+    bool                        m_dragEnabled;
+    wxDataFormat                m_dragFormat;
+
+    bool                        m_dropEnabled;
+    wxDataFormat                m_dropFormat;
+    bool                        m_dropHint;
+    unsigned int                m_dropHintLine;
+#endif // wxUSE_DRAG_AND_DROP
+

     // for double click logic
     unsigned int m_lineLastClicked,
     // for double click logic
     unsigned int m_lineLastClicked,

-           m_lineBeforeLastClicked,
-           m_lineSelectSingleOnUp;
+        m_lineBeforeLastClicked,
+        m_lineSelectSingleOnUp;

 
     // the pen used to draw horiz/vertical rules
     wxPen m_penRule;
 
     // the pen used to draw horiz/vertical rules
     wxPen m_penRule;


@@ -580,11 +623,13 @@ private:
     // the pen used to draw the expander and the lines
     wxPen m_penExpander;
 
     // the pen used to draw the expander and the lines
     wxPen m_penExpander;
 

-    //This is the tree structure of the model
+    // This is the tree structure of the model

     wxDataViewTreeNode * m_root;
     int m_count;
     wxDataViewTreeNode * m_root;
     int m_count;

-    //This is the tree node under the cursor
+
+    // This is the tree node under the cursor

     wxDataViewTreeNode * m_underMouse;
     wxDataViewTreeNode * m_underMouse;

+

 private:
     DECLARE_DYNAMIC_CLASS(wxDataViewMainWindow)
     DECLARE_EVENT_TABLE()
 private:
     DECLARE_DYNAMIC_CLASS(wxDataViewMainWindow)
     DECLARE_EVENT_TABLE()


@@ -611,7 +656,7 @@ public:
     virtual bool Cleared()
         { return m_mainWindow->Cleared(); }
     virtual void Resort()
     virtual bool Cleared()
         { return m_mainWindow->Cleared(); }
     virtual void Resort()

-         { m_mainWindow->Resort(); }
+        { m_mainWindow->Resort(); }

 
     wxDataViewMainWindow    *m_mainWindow;
 };
 
     wxDataViewMainWindow    *m_mainWindow;
 };


@@ -625,19 +670,17 @@ IMPLEMENT_ABSTRACT_CLASS(wxDataViewRenderer, wxDataViewRendererBase)
 wxDataViewRenderer::wxDataViewRenderer( const wxString &varianttype,
                                         wxDataViewCellMode mode,
                                         int align) :
 wxDataViewRenderer::wxDataViewRenderer( const wxString &varianttype,
                                         wxDataViewCellMode mode,
                                         int align) :

-    wxDataViewRendererBase( varianttype, mode, align )
+    wxDataViewCustomRendererBase( varianttype, mode, align )

 {
 {

-    m_dc = NULL;

     m_align = align;
     m_mode = mode;
     m_align = align;
     m_mode = mode;

-    m_wantsAttr = false;
-    m_hasAttr = false;
+    m_ellipsizeMode = wxELLIPSIZE_MIDDLE;
+    m_dc = NULL;

 }
 
 wxDataViewRenderer::~wxDataViewRenderer()
 {
 }
 
 wxDataViewRenderer::~wxDataViewRenderer()
 {

-    if (m_dc)
-        delete m_dc;
+    delete m_dc;

 }
 
 wxDC *wxDataViewRenderer::GetDC()
 }
 
 wxDC *wxDataViewRenderer::GetDC()


@@ -664,19 +707,6 @@ int wxDataViewRenderer::GetAlignment() const
     return m_align;
 }
 
     return m_align;
 }
 

-int wxDataViewRenderer::CalculateAlignment() const
-{
-    if (m_align == wxDVR_DEFAULT_ALIGNMENT)
-    {
-        if (GetOwner() == NULL)
-           return wxALIGN_LEFT | wxALIGN_CENTRE_VERTICAL;
-
-        return GetOwner()->GetAlignment() | wxALIGN_CENTRE_VERTICAL;
-    }
-
-    return m_align;
-}
-

 // ---------------------------------------------------------
 // wxDataViewCustomRenderer
 // ---------------------------------------------------------
 // ---------------------------------------------------------
 // wxDataViewCustomRenderer
 // ---------------------------------------------------------


@@ -684,30 +714,20 @@ int wxDataViewRenderer::CalculateAlignment() const
 IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
 
 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
 IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
 
 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,

-                          wxDataViewCellMode mode, int align ) :
+                        wxDataViewCellMode mode, int align ) :

     wxDataViewRenderer( varianttype, mode, align )
 {
 }
 
     wxDataViewRenderer( varianttype, mode, align )
 {
 }
 

-void wxDataViewCustomRenderer::RenderText( const wxString &text, int xoffset, wxRect cell, wxDC *dc, int state )
-{
-    wxDataViewCtrl *view = GetOwner()->GetOwner();
-    wxColour col = (state & wxDATAVIEW_CELL_SELECTED) ?
-                        wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) :
-                        view->GetForegroundColour();
-    dc->SetTextForeground(col);
-    dc->DrawText( text, cell.x + xoffset, cell.y + ((cell.height - dc->GetCharHeight()) / 2));
-}
-

 // ---------------------------------------------------------
 // wxDataViewTextRenderer
 // ---------------------------------------------------------
 
 // ---------------------------------------------------------
 // wxDataViewTextRenderer
 // ---------------------------------------------------------
 

-IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewCustomRenderer)
+IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewRenderer)

 
 wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype,
                                                 wxDataViewCellMode mode, int align ) :
 
 wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype,
                                                 wxDataViewCellMode mode, int align ) :

-    wxDataViewCustomRenderer( varianttype, mode, align )
+    wxDataViewRenderer( varianttype, mode, align )

 {
 }
 
 {
 }
 


@@ -723,107 +743,55 @@ bool wxDataViewTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
     return false;
 }
 
     return false;
 }
 

-bool wxDataViewTextRenderer::HasEditorCtrl()
+bool wxDataViewTextRenderer::HasEditorCtrl() const

 {
     return true;
 }
 
 {
     return true;
 }
 

-wxControl* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent,
+wxWindow* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent,

         wxRect labelRect, const wxVariant &value )
 {
         wxRect labelRect, const wxVariant &value )
 {

-    return new wxTextCtrl( parent, wxID_ANY, value,
-                           wxPoint(labelRect.x,labelRect.y),
-                           wxSize(labelRect.width,labelRect.height) );
+    wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, value,
+                                       wxPoint(labelRect.x,labelRect.y),
+                                       wxSize(labelRect.width,labelRect.height) );
+
+    // select the text in the control an place the cursor at the end
+    ctrl->SetInsertionPointEnd();
+    ctrl->SelectAll();
+
+    return ctrl;

 }
 
 }
 

-bool wxDataViewTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant &value )
+bool wxDataViewTextRenderer::GetValueFromEditorCtrl( wxWindow *editor, wxVariant &value )

 {
     wxTextCtrl *text = (wxTextCtrl*) editor;
     value = text->GetValue();
     return true;
 }
 
 {
     wxTextCtrl *text = (wxTextCtrl*) editor;
     value = text->GetValue();
     return true;
 }
 

-bool wxDataViewTextRenderer::Render( wxRect cell, wxDC *dc, int state )
+bool wxDataViewTextRenderer::Render(wxRect rect, wxDC *dc, int state)

 {
 {

-    RenderText( m_text, 0, cell, dc, state );
+    RenderText(m_text, 0, rect, dc, state);

     return true;
 }
 
 wxSize wxDataViewTextRenderer::GetSize() const
 {
     return true;
 }
 
 wxSize wxDataViewTextRenderer::GetSize() const
 {

-    const wxDataViewCtrl *view = GetView();

     if (!m_text.empty())
     if (!m_text.empty())

-    {
-        int x,y;
-        view->GetTextExtent( m_text, &x, &y );
-        return wxSize( x, y );
-    }
-    return wxSize(80,20);
-}
-
-// ---------------------------------------------------------
-// wxDataViewTextRendererAttr
-// ---------------------------------------------------------
-
-IMPLEMENT_CLASS(wxDataViewTextRendererAttr, wxDataViewTextRenderer)
-
-wxDataViewTextRendererAttr::wxDataViewTextRendererAttr( const wxString &varianttype,
-                            wxDataViewCellMode mode, int align ) :
-    wxDataViewTextRenderer( varianttype, mode, align )
-{
-    m_wantsAttr = true;
-}
-
-bool wxDataViewTextRendererAttr::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
-{
-    wxFont font;
-    wxColour colour;
-
-    if (m_hasAttr)
-    {
-        if (m_attr.HasColour())
-        {
-            colour = dc->GetTextForeground();
-            dc->SetTextForeground( m_attr.GetColour() );
-        }
-
-        if (m_attr.GetBold() || m_attr.GetItalic())
-        {
-             font = dc->GetFont();
-             wxFont myfont = font;
-             if (m_attr.GetBold())
-                 myfont.SetWeight( wxFONTWEIGHT_BOLD );
-             if (m_attr.GetItalic())
-                 myfont.SetStyle( wxFONTSTYLE_ITALIC );
-             dc->SetFont( myfont );
-        }
-    }
-
-    dc->DrawText( m_text, cell.x, cell.y + ((cell.height - dc->GetCharHeight()) / 2));
-
-    // restore dc
-    if (m_hasAttr)
-    {
-        if (m_attr.HasColour())
-            dc->SetTextForeground( colour );
-
-        if (m_attr.GetBold() || m_attr.GetItalic())
-            dc->SetFont( font );
-    }
-
-    return true;
+        return GetTextExtent(m_text);
+    else
+        return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE);

 }
 
 }
 

-

 // ---------------------------------------------------------
 // wxDataViewBitmapRenderer
 // ---------------------------------------------------------
 
 // ---------------------------------------------------------
 // wxDataViewBitmapRenderer
 // ---------------------------------------------------------
 

-IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewCustomRenderer)
+IMPLEMENT_CLASS(wxDataViewBitmapRenderer, wxDataViewRenderer)

 
 wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype,
                                                     wxDataViewCellMode mode, int align ) :
 
 wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype,
                                                     wxDataViewCellMode mode, int align ) :

-    wxDataViewCustomRenderer( varianttype, mode, align )
+    wxDataViewRenderer( varianttype, mode, align )

 {
 }
 
 {
 }
 


@@ -844,9 +812,9 @@ bool wxDataViewBitmapRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
 
 bool wxDataViewBitmapRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 {
 
 bool wxDataViewBitmapRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 {

-    if (m_bitmap.Ok())
+    if (m_bitmap.IsOk())

         dc->DrawBitmap( m_bitmap, cell.x, cell.y );
         dc->DrawBitmap( m_bitmap, cell.x, cell.y );

-    else if (m_icon.Ok())
+    else if (m_icon.IsOk())

         dc->DrawIcon( m_icon, cell.x, cell.y );
 
     return true;
         dc->DrawIcon( m_icon, cell.x, cell.y );
 
     return true;


@@ -854,23 +822,23 @@ bool wxDataViewBitmapRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state
 
 wxSize wxDataViewBitmapRenderer::GetSize() const
 {
 
 wxSize wxDataViewBitmapRenderer::GetSize() const
 {

-    if (m_bitmap.Ok())
+    if (m_bitmap.IsOk())

         return wxSize( m_bitmap.GetWidth(), m_bitmap.GetHeight() );
         return wxSize( m_bitmap.GetWidth(), m_bitmap.GetHeight() );

-    else if (m_icon.Ok())
+    else if (m_icon.IsOk())

         return wxSize( m_icon.GetWidth(), m_icon.GetHeight() );
 
         return wxSize( m_icon.GetWidth(), m_icon.GetHeight() );
 

-    return wxSize(16,16);
+    return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE);

 }
 
 // ---------------------------------------------------------
 // wxDataViewToggleRenderer
 // ---------------------------------------------------------
 
 }
 
 // ---------------------------------------------------------
 // wxDataViewToggleRenderer
 // ---------------------------------------------------------
 

-IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleRenderer, wxDataViewCustomRenderer)
+IMPLEMENT_ABSTRACT_CLASS(wxDataViewToggleRenderer, wxDataViewRenderer)

 
 wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
                         wxDataViewCellMode mode, int align ) :
 
 wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
                         wxDataViewCellMode mode, int align ) :

-    wxDataViewCustomRenderer( varianttype, mode, align )
+    wxDataViewRenderer( varianttype, mode, align )

 {
     m_toggle = false;
 }
 {
     m_toggle = false;
 }


@@ -889,63 +857,68 @@ bool wxDataViewToggleRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
 
 bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 {
 
 bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
 {

-    // User wxRenderer here
-
-    wxRect rect;
-    rect.x = cell.x + cell.width/2 - 10;
-    rect.width = 20;
-    rect.y = cell.y + cell.height/2 - 10;
-    rect.height = 20;
-

     int flags = 0;
     if (m_toggle)
         flags |= wxCONTROL_CHECKED;
     int flags = 0;
     if (m_toggle)
         flags |= wxCONTROL_CHECKED;

-    if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE)
+    if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE ||
+        GetEnabled() == false)

         flags |= wxCONTROL_DISABLED;
 
         flags |= wxCONTROL_DISABLED;
 

+    // check boxes we draw must always have the same, standard size (if it's
+    // bigger than the cell size the checkbox will be truncated because the
+    // caller had set the clipping rectangle to prevent us from drawing outside
+    // the cell)
+    cell.SetSize(GetSize());
+

     wxRendererNative::Get().DrawCheckBox(
             GetOwner()->GetOwner(),
             *dc,
     wxRendererNative::Get().DrawCheckBox(
             GetOwner()->GetOwner(),
             *dc,

-            rect,
+            cell,

             flags );
 
     return true;
 }
 
             flags );
 
     return true;
 }
 

-bool wxDataViewToggleRenderer::Activate( wxRect WXUNUSED(cell),
-                                         wxDataViewModel *model,
-                                         const wxDataViewItem & item, unsigned int col)
+bool wxDataViewToggleRenderer::WXOnLeftClick(const wxPoint& cursor,
+                                             const wxRect& WXUNUSED(cell),
+                                             wxDataViewModel *model,
+                                             const wxDataViewItem& item,
+                                             unsigned int col)

 {
 {

-    bool value = !m_toggle;
-    wxVariant variant = value;
-    model->SetValue( variant, item, col);
-    model->ValueChanged( item, col );
-    return true;
+    // only react to clicks directly on the checkbox, not elsewhere in the same cell:
+    if (!wxRect(GetSize()).Contains(cursor))
+        return false;
+
+    if (model->IsEnabled(item, col))
+    {
+        model->ChangeValue(!m_toggle, item, col);
+        return true;
+    }
+
+    return false;

 }
 
 wxSize wxDataViewToggleRenderer::GetSize() const
 {
 }
 
 wxSize wxDataViewToggleRenderer::GetSize() const
 {

-    return wxSize(20,20);
+    // the window parameter is not used by GetCheckBoxSize() so it's
+    // safe to pass NULL
+    return wxRendererNative::Get().GetCheckBoxSize(NULL);

 }
 
 // ---------------------------------------------------------
 // wxDataViewProgressRenderer
 // ---------------------------------------------------------
 
 }
 
 // ---------------------------------------------------------
 // wxDataViewProgressRenderer
 // ---------------------------------------------------------
 

-IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressRenderer, wxDataViewCustomRenderer)
+IMPLEMENT_ABSTRACT_CLASS(wxDataViewProgressRenderer, wxDataViewRenderer)

 
 wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
     const wxString &varianttype, wxDataViewCellMode mode, int align ) :
 
 wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
     const wxString &varianttype, wxDataViewCellMode mode, int align ) :

-    wxDataViewCustomRenderer( varianttype, mode, align )
+    wxDataViewRenderer( varianttype, mode, align )

 {
     m_label = label;
     m_value = 0;
 }
 
 {
     m_label = label;
     m_value = 0;
 }
 

-wxDataViewProgressRenderer::~wxDataViewProgressRenderer()
-{
-}
-

 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
 {
     m_value = (long) value;
 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
 {
     m_value = (long) value;


@@ -962,18 +935,23 @@ bool wxDataViewProgressRenderer::GetValue( wxVariant &value ) const
     return true;
 }
 
     return true;
 }
 

-bool wxDataViewProgressRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
+bool
+wxDataViewProgressRenderer::Render(wxRect rect, wxDC *dc, int WXUNUSED(state))

 {
 {

-    double pct = (double)m_value / 100.0;
-    wxRect bar = cell;
-    bar.width = (int)(cell.width * pct);
-    dc->SetPen( *wxTRANSPARENT_PEN );
-    dc->SetBrush( *wxBLUE_BRUSH );
-    dc->DrawRectangle( bar );
+    // deflate the rect to leave a small border between bars in adjacent rows
+    wxRect bar = rect.Deflate(0, 1);

 
     dc->SetBrush( *wxTRANSPARENT_BRUSH );
     dc->SetPen( *wxBLACK_PEN );
 
     dc->SetBrush( *wxTRANSPARENT_BRUSH );
     dc->SetPen( *wxBLACK_PEN );

-    dc->DrawRectangle( cell );
+    dc->DrawRectangle( bar );
+
+    bar.width = (int)(bar.width * m_value / 100.);
+    dc->SetPen( *wxTRANSPARENT_PEN );
+
+    const wxDataViewItemAttr& attr = GetAttr();
+    dc->SetBrush( attr.HasColour() ? wxBrush(attr.GetColour())
+                                  : *wxBLUE_BRUSH );
+    dc->DrawRectangle( bar );

 
     return true;
 }
 
     return true;
 }


@@ -1030,20 +1008,17 @@ END_EVENT_TABLE()
 
 void wxDataViewDateRendererPopupTransient::OnCalendar( wxCalendarEvent &event )
 {
 
 void wxDataViewDateRendererPopupTransient::OnCalendar( wxCalendarEvent &event )
 {

-    wxDateTime date = event.GetDate();
-    wxVariant value = date;
-    m_model->SetValue( value, m_item, m_col );
-    m_model->ValueChanged( m_item, m_col );
+    m_model->ChangeValue( event.GetDate(), m_item, m_col );

     DismissAndNotify();
 }
 
 #endif // wxUSE_DATE_RENDERER_POPUP
 
     DismissAndNotify();
 }
 
 #endif // wxUSE_DATE_RENDERER_POPUP
 

-IMPLEMENT_ABSTRACT_CLASS(wxDataViewDateRenderer, wxDataViewCustomRenderer)
+IMPLEMENT_ABSTRACT_CLASS(wxDataViewDateRenderer, wxDataViewRenderer)

 
 wxDataViewDateRenderer::wxDataViewDateRenderer( const wxString &varianttype,
                         wxDataViewCellMode mode, int align ) :
 
 wxDataViewDateRenderer::wxDataViewDateRenderer( const wxString &varianttype,
                         wxDataViewCellMode mode, int align ) :

-    wxDataViewCustomRenderer( varianttype, mode, align )
+    wxDataViewRenderer( varianttype, mode, align )

 {
 }
 
 {
 }
 


@@ -1069,30 +1044,27 @@ bool wxDataViewDateRenderer::Render( wxRect cell, wxDC *dc, int state )
 
 wxSize wxDataViewDateRenderer::GetSize() const
 {
 
 wxSize wxDataViewDateRenderer::GetSize() const
 {

-    const wxDataViewCtrl* view = GetView();
-    wxString tmp = m_date.FormatDate();
-    wxCoord x,y,d;
-    view->GetTextExtent( tmp, &x, &y, &d );
-    return wxSize(x,y+d);
+    return GetTextExtent(m_date.FormatDate());

 }
 
 }
 

-bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewModel *model,
-                                       const wxDataViewItem & item, unsigned int col )
+bool wxDataViewDateRenderer::WXOnActivate(const wxRect& WXUNUSED(cell),
+                                          wxDataViewModel *model,
+                                          const wxDataViewItem& item,
+                                          unsigned int col)

 {
 {

-    wxVariant variant;
-    model->GetValue( variant, item, col );
-    wxDateTime value = variant.GetDateTime();
+    wxDateTime dtOld = m_date;

 
 #if wxUSE_DATE_RENDERER_POPUP
     wxDataViewDateRendererPopupTransient *popup = new wxDataViewDateRendererPopupTransient(
 
 #if wxUSE_DATE_RENDERER_POPUP
     wxDataViewDateRendererPopupTransient *popup = new wxDataViewDateRendererPopupTransient(

-        GetOwner()->GetOwner()->GetParent(), &value, model, item, col);
+        GetOwner()->GetOwner()->GetParent(), &dtOld, model, item, col);

     wxPoint pos = wxGetMousePosition();
     popup->Move( pos );
     popup->Layout();
     popup->Popup( popup->m_cal );
 #else // !wxUSE_DATE_RENDERER_POPUP
     wxPoint pos = wxGetMousePosition();
     popup->Move( pos );
     popup->Layout();
     popup->Popup( popup->m_cal );
 #else // !wxUSE_DATE_RENDERER_POPUP

-    wxMessageBox(value.Format());
+    wxMessageBox(dtOld.Format());

 #endif // wxUSE_DATE_RENDERER_POPUP/!wxUSE_DATE_RENDERER_POPUP
 #endif // wxUSE_DATE_RENDERER_POPUP/!wxUSE_DATE_RENDERER_POPUP

+

     return true;
 }
 
     return true;
 }
 


@@ -1100,20 +1072,16 @@ bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewModel *m
 // wxDataViewIconTextRenderer
 // ---------------------------------------------------------
 
 // wxDataViewIconTextRenderer
 // ---------------------------------------------------------
 

-IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewCustomRenderer)
+IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewRenderer)

 
 wxDataViewIconTextRenderer::wxDataViewIconTextRenderer(
 
 wxDataViewIconTextRenderer::wxDataViewIconTextRenderer(

-  const wxString &varianttype, wxDataViewCellMode mode, int align ) :
-    wxDataViewCustomRenderer( varianttype, mode, align )
+const wxString &varianttype, wxDataViewCellMode mode, int align ) :
+    wxDataViewRenderer( varianttype, mode, align )

 {
     SetMode(mode);
     SetAlignment(align);
 }
 
 {
     SetMode(mode);
     SetAlignment(align);
 }
 

-wxDataViewIconTextRenderer::~wxDataViewIconTextRenderer()
-{
-}
-

 bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
 {
     m_value << value;
 bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
 {
     m_value << value;


@@ -1125,814 +1093,514 @@ bool wxDataViewIconTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
     return false;
 }
 
     return false;
 }
 

-bool wxDataViewIconTextRenderer::Render( wxRect cell, wxDC *dc, int state )
+bool wxDataViewIconTextRenderer::Render(wxRect rect, wxDC *dc, int state)

 {
     int xoffset = 0;
 {
     int xoffset = 0;

-    const wxIcon &icon = m_value.GetIcon();
-    if (icon.IsOk())
+
+    const wxIcon& icon = m_value.GetIcon();
+    if ( icon.IsOk() )

     {
     {

-        dc->DrawIcon( icon, cell.x, cell.y + ((cell.height - icon.GetHeight()) / 2));
-        xoffset =  icon.GetWidth()+4;
+        dc->DrawIcon(icon, rect.x, rect.y + (rect.height - icon.GetHeight())/2);
+        xoffset = icon.GetWidth()+4;

     }
 
     }
 

-    RenderText( m_value.GetText(), xoffset, cell, dc, state );
+    RenderText(m_value.GetText(), xoffset, rect, dc, state);

 
     return true;
 }
 
 wxSize wxDataViewIconTextRenderer::GetSize() const
 {
 
     return true;
 }
 
 wxSize wxDataViewIconTextRenderer::GetSize() const
 {

-    const wxDataViewCtrl *view = GetView();

     if (!m_value.GetText().empty())
     {
     if (!m_value.GetText().empty())
     {

-        int x,y;
-        view->GetTextExtent( m_value.GetText(), &x, &y );
+        wxSize size = GetTextExtent(m_value.GetText());

 
         if (m_value.GetIcon().IsOk())
 
         if (m_value.GetIcon().IsOk())

-            x += m_value.GetIcon().GetWidth() + 4;
-        return wxSize( x, y );
+            size.x += m_value.GetIcon().GetWidth() + 4;
+        return size;

     }
     return wxSize(80,20);
 }
 
     }
     return wxSize(80,20);
 }
 

-wxControl *
-wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow * WXUNUSED(parent),
-                                             wxRect WXUNUSED(labelRect),
-                                             const wxVariant& WXUNUSED(value))
+wxWindow* wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow *parent, wxRect labelRect, const wxVariant& value)

 {
 {

-    return NULL;
-}
+    wxDataViewIconText iconText;
+    iconText << value;

 
 

-bool
-wxDataViewIconTextRenderer::GetValueFromEditorCtrl(wxControl* WXUNUSED(editor),
-                                                   wxVariant& WXUNUSED(value))
-{
-    return false;
-}
+    wxString text = iconText.GetText();

 
 

-// ---------------------------------------------------------
-// wxDataViewColumn
-// ---------------------------------------------------------
+    // adjust the label rect to take the width of the icon into account
+    if (iconText.GetIcon().IsOk())
+    {
+        int w = iconText.GetIcon().GetWidth() + 4;
+        labelRect.x += w;
+        labelRect.width -= w;
+    }

 
 

-IMPLEMENT_ABSTRACT_CLASS(wxDataViewColumn, wxDataViewColumnBase)
+    wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, text,
+                                       wxPoint(labelRect.x,labelRect.y),
+                                       wxSize(labelRect.width,labelRect.height) );

 
 

-wxDataViewColumn::wxDataViewColumn( const wxString &title, wxDataViewRenderer *cell,
-                                    unsigned int model_column,
-                                    int width, wxAlignment align, int flags ) :
-    wxDataViewColumnBase( title, cell, model_column, width, align, flags )
-{
-    wxDataViewColumnBase::SetWidth(width == wxCOL_WIDTH_DEFAULT
-                                    ? wxDVC_DEFAULT_WIDTH
-                                    : width);
-    SetTitle(title);
-    SetAlignment(align);
-    SetFlags(flags);
-}
+    // select the text in the control an place the cursor at the end
+    ctrl->SetInsertionPointEnd();
+    ctrl->SelectAll();

 
 

-wxDataViewColumn::wxDataViewColumn( const wxBitmap &bitmap, wxDataViewRenderer *cell,
-                                    unsigned int model_column,
-                                    int width, wxAlignment align, int flags ) :
-    wxDataViewColumnBase( bitmap, cell, model_column, width, align, flags )
-{
-    wxDataViewColumnBase::SetWidth(width == wxCOL_WIDTH_DEFAULT
-                                    ? wxDVC_DEFAULT_WIDTH
-                                    : width);
-    SetBitmap(bitmap);
-    SetAlignment(align);
-    SetFlags(flags);
+    return ctrl;

 }
 
 }
 

-void wxDataViewColumn::SetFlags(int flags)
+bool wxDataViewIconTextRenderer::GetValueFromEditorCtrl( wxWindow *editor, wxVariant& value )

 {
 {

-    if ( flags != GetFlags() )
-    {
-        wxDataViewColumnBase::SetFlags(flags);
+    wxTextCtrl *text = (wxTextCtrl*) editor;

 
 

-        // tell our owner to e.g. update its scrollbars:
-        if ( GetOwner() )
-            GetOwner()->OnColumnChange();
-    }
+    wxDataViewIconText iconText(text->GetValue(), m_value.GetIcon());
+    value << iconText;
+    return true;

 }
 
 }
 

-void wxDataViewColumn::SetSortOrder( bool ascending )
-{
-    if ( ascending == IsSortOrderAscending() )
-        return;
-
-    wxDataViewColumnBase::SetSortOrder(ascending);
+//-----------------------------------------------------------------------------
+// wxDataViewDropTarget
+//-----------------------------------------------------------------------------

 
 

-    // Update header button
-    if (GetOwner())
-        GetOwner()->OnColumnChange();
-}
+#if wxUSE_DRAG_AND_DROP

 
 

-void wxDataViewColumn::SetInternalWidth( int width )
+class wxBitmapCanvas: public wxWindow

 {
 {

-    if ( width == GetWidth() )
-        return;
+public:
+    wxBitmapCanvas( wxWindow *parent, const wxBitmap &bitmap, const wxSize &size ) :
+    wxWindow( parent, wxID_ANY, wxPoint(0,0), size )
+    {
+        m_bitmap = bitmap;
+        Connect( wxEVT_PAINT, wxPaintEventHandler(wxBitmapCanvas::OnPaint) );
+    }

 
 

-    wxDataViewColumnBase::SetWidth(width);
+    void OnPaint( wxPaintEvent &WXUNUSED(event) )
+    {
+        wxPaintDC dc(this);
+        dc.DrawBitmap( m_bitmap, 0, 0);
+    }

 
 

-    // the scrollbars of the wxDataViewCtrl needs to be recalculated!
-    if (m_owner && m_owner->m_clientArea)
-        m_owner->m_clientArea->RecalculateDisplay();
-}
+    wxBitmap m_bitmap;
+};

 
 

-void wxDataViewColumn::SetWidth( int width )
+class wxDataViewDropSource: public wxDropSource

 {
 {

-    if ( width == wxCOL_WIDTH_DEFAULT )
-        width = wxDVC_DEFAULT_WIDTH;
+public:
+    wxDataViewDropSource( wxDataViewMainWindow *win, unsigned int row ) :
+        wxDropSource( win )
+    {
+        m_win = win;
+        m_row = row;
+        m_hint = NULL;
+    }

 
 

-    if ( width == GetWidth() )
-        return;
+    ~wxDataViewDropSource()
+    {
+        delete m_hint;
+    }

 
 

-    if (m_owner->m_headerArea)
-        m_owner->m_headerArea->UpdateDisplay();
+    virtual bool GiveFeedback( wxDragResult WXUNUSED(effect) )
+    {
+        wxPoint pos = wxGetMousePosition();

 
 

-    SetInternalWidth(width);
-}
+        if (!m_hint)
+        {
+            int liney = m_win->GetLineStart( m_row );
+            int linex = 0;
+            m_win->GetOwner()->CalcUnscrolledPosition( 0, liney, NULL, &liney );
+            m_win->ClientToScreen( &linex, &liney );
+            m_dist_x = pos.x - linex;
+            m_dist_y = pos.y - liney;

 
 

-int wxDataViewColumn::GetWidth() const
-{
-    int width = wxDataViewColumnBase::GetWidth();
-    return width == wxCOL_WIDTH_DEFAULT ? wxDVC_DEFAULT_WIDTH : width;
-}
+            int indent = 0;
+            wxBitmap ib = m_win->CreateItemBitmap( m_row, indent );
+            m_dist_x -= indent;
+            m_hint = new wxFrame( m_win->GetParent(), wxID_ANY, wxEmptyString,
+                                        wxPoint(pos.x - m_dist_x, pos.y + 5 ),
+                                        ib.GetSize(),
+                                        wxFRAME_TOOL_WINDOW |
+                                        wxFRAME_FLOAT_ON_PARENT |
+                                        wxFRAME_NO_TASKBAR |
+                                        wxNO_BORDER );
+            new wxBitmapCanvas( m_hint, ib, ib.GetSize() );
+            m_hint->Show();
+        }
+        else
+        {
+            m_hint->Move( pos.x - m_dist_x, pos.y + 5  );
+            m_hint->SetTransparent( 128 );
+        }

 
 

-//-----------------------------------------------------------------------------
-// wxDataViewHeaderWindowBase
-//-----------------------------------------------------------------------------
+        return false;
+    }

 
 

-void wxDataViewHeaderWindowBase::SendEvent(wxEventType type, unsigned int n)
-{
-    wxWindow *parent = GetParent();
-    wxDataViewEvent le(type, parent->GetId());
+    wxDataViewMainWindow   *m_win;
+    unsigned int            m_row;
+    wxFrame                *m_hint;
+    int m_dist_x,m_dist_y;
+};

 
 

-    le.SetEventObject(parent);
-    le.SetColumn(n);
-    le.SetDataViewColumn(GetColumn(n));
-    le.SetModel(GetOwner()->GetModel());

 
 

-    // for events created by wxDataViewHeaderWindow the
-    // row / value fields are not valid
+class wxDataViewDropTarget: public wxDropTarget
+{
+public:
+    wxDataViewDropTarget( wxDataObject *obj, wxDataViewMainWindow *win ) :
+        wxDropTarget( obj )
+    {
+        m_win = win;
+    }

 
 

-    parent->GetEventHandler()->ProcessEvent(le);
-}
-
-#ifdef USE_NATIVE_HEADER_WINDOW
-
-// implemented in msw/listctrl.cpp:
-int WXDLLIMPEXP_CORE wxMSWGetColumnClicked(NMHDR *nmhdr, POINT *ptClick);
-
-IMPLEMENT_ABSTRACT_CLASS(wxDataViewHeaderWindowMSW, wxWindow)
-
-bool wxDataViewHeaderWindowMSW::Create(wxDataViewCtrl *parent)
-{
-    m_owner = parent;
-
-    m_scrollOffsetX = 0;
-    m_delayedUpdate = false;
-    m_vetoColumnDrag = false;
-    m_buttonHeight = wxRendererNative::Get().GetHeaderButtonHeight( this );
-
-    return wxHeaderCtrl::Create(parent, wxID_ANY);
-}
-
-wxSize wxDataViewHeaderWindowMSW::DoGetBestSize() const
-{
-    return wxSize( 80, m_buttonHeight+2 );
-}
-
-void wxDataViewHeaderWindowMSW::OnInternalIdle()
-{
-    if (m_delayedUpdate)
+    virtual wxDragResult OnDragOver( wxCoord x, wxCoord y, wxDragResult def )

     {
     {

-        m_delayedUpdate = false;
-        UpdateDisplay();
+        wxDataFormat format = GetMatchingPair();
+        if (format == wxDF_INVALID)
+            return wxDragNone;
+        return m_win->OnDragOver( format, x, y, def);

     }
     }

-}
-
-void wxDataViewHeaderWindowMSW::UpdateDisplay()
-{
-    // remove old columns
-    DeleteAllColumns();

 
 

-    // add the updated array of columns to the header control
-    const unsigned int cols = GetOwner()->GetColumnCount();
-    for (unsigned int i = 0; i < cols; i++)
+    virtual bool OnDrop( wxCoord x, wxCoord y )

     {
     {

-        wxDataViewColumn * const col = GetColumn( i );
-        if (col->IsHidden())
-            continue;      // don't add it!
-
-        // we store the column index to use later as client data (we need to do
-        // it since column indices in the control and the model may not be the
-        // same if any columns have been hidden)
-        col->SetClientData(i);
-
-        AppendColumn(*col);
-
-        if ( col->IsSortable() && GetOwner()->GetSortingColumn() == col )
-        {
-            ShowSortIndicator(GetColumnCount() - 1, col->IsSortOrderAscending());
-        }
+        wxDataFormat format = GetMatchingPair();
+        if (format == wxDF_INVALID)
+            return false;
+        return m_win->OnDrop( format, x, y );
+    }

 
 

-#if 0
-        // the native wxMSW implementation of the header window
-        // draws the column separator COLUMN_WIDTH_OFFSET pixels
-        // on the right: to correct this effect we make the column
-        // exactly COLUMN_WIDTH_OFFSET wider (for the first column):
-        if (i == 0)
-            hdi.cxy += COLUMN_WIDTH_OFFSET;
-#endif
+    virtual wxDragResult OnData( wxCoord x, wxCoord y, wxDragResult def )
+    {
+        wxDataFormat format = GetMatchingPair();
+        if (format == wxDF_INVALID)
+            return wxDragNone;
+        if (!GetData())
+            return wxDragNone;
+        return m_win->OnData( format, x, y, def );

     }
     }

-}

 
 

-unsigned int wxDataViewHeaderWindowMSW::GetColumnIdxFromHeader(NMHEADER *nmHDR)
-{
-    unsigned int idx;
+    virtual void OnLeave()
+        { m_win->OnLeave(); }

 
 

-    // NOTE: we don't just return nmHDR->iItem because when there are
-    //       hidden columns, nmHDR->iItem may be different from
-    //       nmHDR->pitem->lParam
+    wxDataViewMainWindow   *m_win;
+};

 
 

-    if (nmHDR->pitem && nmHDR->pitem->mask & HDI_LPARAM)
-    {
-        idx = (unsigned int)nmHDR->pitem->lParam;
-        return idx;
-    }
+#endif // wxUSE_DRAG_AND_DROP

 
 

-    HDITEM item;
-    item.mask = HDI_LPARAM;
-    Header_GetItem((HWND)m_hWnd, nmHDR->iItem, &item);
+//-----------------------------------------------------------------------------
+// wxDataViewRenameTimer
+//-----------------------------------------------------------------------------

 
 

-    return (unsigned int)item.lParam;
+wxDataViewRenameTimer::wxDataViewRenameTimer( wxDataViewMainWindow *owner )
+{
+    m_owner = owner;

 }
 
 }
 

-bool wxDataViewHeaderWindowMSW::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
+void wxDataViewRenameTimer::Notify()

 {
 {

-    NMHDR *nmhdr = (NMHDR *)lParam;
-
-    // is it a message from the header?
-    if ( nmhdr->hwndFrom != (HWND)m_hWnd )
-        return wxWindow::MSWOnNotify(idCtrl, lParam, result);
+    m_owner->OnRenameTimer();
+}

 
 

-    NMHEADER *nmHDR = (NMHEADER *)nmhdr;
-    switch ( nmhdr->code )
-    {
-        case NM_RELEASEDCAPTURE:
-            {
-                // user has released the mouse
-                m_vetoColumnDrag = false;
-            }
-            break;
+//-----------------------------------------------------------------------------
+// wxDataViewMainWindow
+//-----------------------------------------------------------------------------

 
 

-        case HDN_BEGINTRACK:
-            // user has started to resize a column:
-            // do we need to veto it?
-            if (!GetColumn(nmHDR->iItem)->IsResizeable())
-            {
-                // veto it!
-                *result = TRUE;
-            }
-            break;
+// The tree building helper, declared firstly
+static void BuildTreeHelper( const wxDataViewModel * model,  const wxDataViewItem & item,
+                             wxDataViewTreeNode * node);

 
 

-        case HDN_BEGINDRAG:
-            // valid column
-            if (nmHDR->iItem != -1)
-            {
-                // user has started to reorder a valid column
-                if ((m_vetoColumnDrag == true) || (!GetColumn(nmHDR->iItem)->IsReorderable()))
-                {
-                    // veto it!
-                    *result = TRUE;
-                    m_vetoColumnDrag = true;
-                }
-            }
-            else
-            {
-                // veto it!
-                m_vetoColumnDrag = true;
-            }
-            break;
+int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )
+{
+    if (row1 > row2) return 1;
+    if (row1 == row2) return 0;
+    return -1;
+}

 
 

-        case HDN_ENDDRAG:       // user has finished reordering a column
-            {
-               wxDataViewColumn *col = GetColumn(nmHDR->iItem);
-               unsigned int new_pos = nmHDR->pitem->iOrder;
-               m_owner->ColumnMoved( col, new_pos );
-               m_delayedUpdate = true;
-            }
-            break;
+IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)

 
 

-        case HDN_ITEMCHANGING:
-            if (nmHDR->pitem != NULL &&
-                (nmHDR->pitem->mask & HDI_WIDTH) != 0)
-            {
-                int minWidth = GetColumnFromHeader(nmHDR)->GetMinWidth();
-                if (nmHDR->pitem->cxy < minWidth)
-                {
-                    // do not allow the user to resize this column under
-                    // its minimal width:
-                    *result = TRUE;
-                }
-            }
-            break;
+BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
+    EVT_PAINT         (wxDataViewMainWindow::OnPaint)
+    EVT_MOUSE_EVENTS  (wxDataViewMainWindow::OnMouse)
+    EVT_SET_FOCUS     (wxDataViewMainWindow::OnSetFocus)
+    EVT_KILL_FOCUS    (wxDataViewMainWindow::OnKillFocus)
+    EVT_CHAR          (wxDataViewMainWindow::OnChar)
+END_EVENT_TABLE()

 
 

-        case HDN_ITEMCHANGED:   // user is resizing a column
-        case HDN_ENDTRACK:      // user has finished resizing a column
+wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
+    const wxPoint &pos, const wxSize &size, const wxString &name ) :
+    wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE, name ),
+    m_selection( wxDataViewSelectionCmp )

 
 

-            // update the width of the modified column:
-            if (nmHDR->pitem != NULL &&
-                (nmHDR->pitem->mask & HDI_WIDTH) != 0)
-            {
-                unsigned int idx = GetColumnIdxFromHeader(nmHDR);
-                unsigned int w = nmHDR->pitem->cxy;
-                wxDataViewColumn *col = GetColumn(idx);
+{
+    SetOwner( parent );

 
 

-                // see UpdateDisplay() for more info about COLUMN_WIDTH_OFFSET
-                if (idx == 0 && w > COLUMN_WIDTH_OFFSET)
-                    w -= COLUMN_WIDTH_OFFSET;
+    m_lastOnSame = false;
+    m_renameTimer = new wxDataViewRenameTimer( this );

 
 

-                if (w >= (unsigned)col->GetMinWidth())
-                    col->SetInternalWidth(w);
-            }
-            break;
+    // TODO: user better initial values/nothing selected
+    m_currentCol = NULL;
+    m_currentRow = 0;

 
 

-        case HDN_ITEMCLICK:
-            {
-                unsigned int idx = GetColumnIdxFromHeader(nmHDR);
-                wxDataViewModel * model = GetOwner()->GetModel();
+    m_lineHeight = wxMax( 17, GetCharHeight() + 2 ); // 17 = mini icon height + 1

 
 

-                if(nmHDR->iButton == 0)
-                {
-                    wxDataViewColumn *col = GetColumn(idx);
-                    if(col->IsSortable())
-                    {
-                        if(model && m_owner->GetSortingColumn() == col)
-                        {
-                            bool order = col->IsSortOrderAscending();
-                            col->SetSortOrder(!order);
-                        }
-                        else if(model)
-                        {
-                            m_owner->SetSortingColumn(col);
-                        }
-                    }
-                    UpdateDisplay();
-                    if(model)
-                        model->Resort();
-                }
+#if wxUSE_DRAG_AND_DROP
+    m_dragCount = 0;
+    m_dragStart = wxPoint(0,0);

 
 

-                wxEventType evt = nmHDR->iButton == 0 ?
-                        wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK :
-                        wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK;
-                SendEvent(evt, idx);
-            }
-            break;
+    m_dragEnabled = false;
+    m_dropEnabled = false;
+    m_dropHint = false;
+    m_dropHintLine = (unsigned int) -1;
+#endif // wxUSE_DRAG_AND_DROP

 
 

-        case NM_RCLICK:
-            {
-                // NOTE: for some reason (i.e. for a bug in Windows)
-                //       the HDN_ITEMCLICK notification is not sent on
-                //       right clicks, so we need to handle NM_RCLICK
+    m_lineLastClicked = (unsigned int) -1;
+    m_lineBeforeLastClicked = (unsigned int) -1;
+    m_lineSelectSingleOnUp = (unsigned int) -1;

 
 

-                POINT ptClick;
-                int column = wxMSWGetColumnClicked(nmhdr, &ptClick);
-                if (column != wxNOT_FOUND)
-                {
-                    HDITEM item;
-                    item.mask = HDI_LPARAM;
-                    Header_GetItem((HWND)m_hWnd, column, &item);
-
-                    // 'idx' may be different from 'column' if there are
-                    // hidden columns...
-                    unsigned int idx = (unsigned int)item.lParam;
-                    SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK,
-                              idx);
-                }
-            }
-            break;
+    m_hasFocus = false;

 
 

-        case HDN_GETDISPINFOW:
-            // see wxListCtrl::MSWOnNotify for more info!
-            break;
+    SetBackgroundColour( *wxWHITE );

 
 

-        case HDN_ITEMDBLCLICK:
-            {
-                unsigned int idx = GetColumnIdxFromHeader(nmHDR);
-                int w = GetOwner()->GetBestColumnWidth(idx);
-
-                // update the native control:
-                HDITEM hd;
-                ZeroMemory(&hd, sizeof(hd));
-                hd.mask = HDI_WIDTH;
-                hd.cxy = w;
-                Header_SetItem(GetHwnd(),
-                               nmHDR->iItem,  // NOTE: we don't want 'idx' here!
-                               &hd);
-
-                // update the wxDataViewColumn class:
-                GetColumn(idx)->SetInternalWidth(w);
-            }
-            break;
+    SetBackgroundStyle(wxBG_STYLE_CUSTOM);

 
 

-        default:
-            return wxWindow::MSWOnNotify(idCtrl, lParam, result);
-    }
+    m_penRule = wxPen(GetRuleColour());

 
 

-    return true;
-}
+    // compose a pen whichcan draw black lines
+    // TODO: maybe there is something system colour to use
+    m_penExpander = wxPen(wxColour(0,0,0));

 
 

-void wxDataViewHeaderWindowMSW::ScrollWindow(int dx, int WXUNUSED(dy),
-                                             const wxRect * WXUNUSED(rect))
-{
-    m_scrollOffsetX += dx;
+    m_root = new wxDataViewTreeNode( NULL );
+    m_root->SetHasChildren(true);

 
 

-    GetParent()->Layout();
+    // Make m_count = -1 will cause the class recaculate the real displaying number of rows.
+    m_count = -1;
+    m_underMouse = NULL;
+    UpdateDisplay();

 }
 
 }
 

-void wxDataViewHeaderWindowMSW::DoSetSize(int x, int y,
-                                          int w, int h,
-                                          int f)
+wxDataViewMainWindow::~wxDataViewMainWindow()

 {
 {

-    // TODO: why is there a border + 2px around it?
-    wxControl::DoSetSize( x+m_scrollOffsetX+1, y+1, w-m_scrollOffsetX-2, h-2, f );
+    DestroyTree();
+    delete m_renameTimer;

 }
 
 }
 

-#else       // !defined(__WXMSW__)

 
 

-IMPLEMENT_ABSTRACT_CLASS(wxGenericDataViewHeaderWindow, wxWindow)
-BEGIN_EVENT_TABLE(wxGenericDataViewHeaderWindow, wxWindow)
-    EVT_PAINT         (wxGenericDataViewHeaderWindow::OnPaint)
-    EVT_MOUSE_EVENTS  (wxGenericDataViewHeaderWindow::OnMouse)
-    EVT_SET_FOCUS     (wxGenericDataViewHeaderWindow::OnSetFocus)
-END_EVENT_TABLE()
-
-bool wxGenericDataViewHeaderWindow::Create(wxDataViewCtrl *parent, wxWindowID id,
-                                           const wxPoint &pos, const wxSize &size,
-                                           const wxString &name )
+#if wxUSE_DRAG_AND_DROP
+bool wxDataViewMainWindow::EnableDragSource( const wxDataFormat &format )

 {
 {

-    m_owner = parent;
-
-    if (!wxDataViewHeaderWindowBase::Create(parent, id, pos, size, name))
-        return false;
-
-    wxVisualAttributes attr = wxPanel::GetClassDefaultAttributes();
-    SetBackgroundStyle( wxBG_STYLE_CUSTOM );
-    SetOwnForegroundColour( attr.colFg );
-    SetOwnBackgroundColour( attr.colBg );
-    if (!m_hasFont)
-        SetOwnFont( attr.font );
-
-    // set our size hints: wxDataViewCtrl will put this wxWindow inside
-    // a wxBoxSizer and in order to avoid super-big header windows,
-    // we need to set our height as fixed
-    SetMinSize(wxSize(-1, HEADER_WINDOW_HEIGHT));
-    SetMaxSize(wxSize(-1, HEADER_WINDOW_HEIGHT));
+    m_dragFormat = format;
+    m_dragEnabled = format != wxDF_INVALID;

 
     return true;
 }
 
 
     return true;
 }
 

-void wxGenericDataViewHeaderWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
+bool wxDataViewMainWindow::EnableDropTarget( const wxDataFormat &format )

 {
 {

-    int w, h;
-    GetClientSize( &w, &h );
-
-    wxAutoBufferedPaintDC dc( this );
-
-    dc.SetBackground(GetBackgroundColour());
-    dc.Clear();
-
-    int xpix;
-    m_owner->GetScrollPixelsPerUnit( &xpix, NULL );
-
-    int x;
-    m_owner->GetViewStart( &x, NULL );
-
-    // account for the horz scrollbar offset
-    dc.SetDeviceOrigin( -x * xpix, 0 );
-
-    dc.SetFont( GetFont() );
-
-    unsigned int cols = GetOwner()->GetColumnCount();
-    unsigned int i;
-    int xpos = 0;
-    for (i = 0; i < cols; i++)
-    {
-        wxDataViewColumn *col = GetColumn( i );
-        if (col->IsHidden())
-            continue;      // skip it!
-
-        int cw = col->GetWidth();
-        int ch = h;
-
-        wxHeaderSortIconType sortArrow = wxHDR_SORT_ICON_NONE;
-        if (col->IsSortable() && GetOwner()->GetSortingColumn() == col)
-        {
-            if (col->IsSortOrderAscending())
-                sortArrow = wxHDR_SORT_ICON_UP;
-            else
-                sortArrow = wxHDR_SORT_ICON_DOWN;
-        }
-
-        int state = 0;
-        if (m_parent->IsEnabled())
-        {
-            if ((int) i == m_hover)
-                state = wxCONTROL_CURRENT;
-        }
-        else
-        {
-            state = (int) wxCONTROL_DISABLED;
-        }
-
-        wxRendererNative::Get().DrawHeaderButton
-                                (
-                                    this,
-                                    dc,
-                                    wxRect(xpos, 0, cw, ch-1),
-                                    state,
-                                    sortArrow
-                                );
-
-        // align as required the column title:
-        int x = xpos;
-        wxSize titleSz = dc.GetTextExtent(col->GetTitle());
-        switch (col->GetAlignment())
-        {
-        case wxALIGN_LEFT:
-            x += HEADER_HORIZ_BORDER;
-            break;
-        case wxALIGN_RIGHT:
-            x += cw - titleSz.GetWidth() - HEADER_HORIZ_BORDER;
-            break;
-        default:
-        case wxALIGN_CENTER:
-        case wxALIGN_CENTER_HORIZONTAL:
-            x += (cw - titleSz.GetWidth() - 2 * HEADER_HORIZ_BORDER)/2;
-            break;
-        }
-
-        // always center the title vertically:
-        int y = wxMax((ch - titleSz.GetHeight()) / 2, HEADER_VERT_BORDER);
+    m_dropFormat = format;
+    m_dropEnabled = format != wxDF_INVALID;

 
 

-        dc.SetClippingRegion( xpos+HEADER_HORIZ_BORDER,
-                              HEADER_VERT_BORDER,
-                              wxMax(cw - 2 * HEADER_HORIZ_BORDER, 1),  // width
-                              wxMax(ch - 2 * HEADER_VERT_BORDER, 1));  // height
-        dc.DrawText( col->GetTitle(), x, y );
-        dc.DestroyClippingRegion();
+    if (m_dropEnabled)
+        SetDropTarget( new wxDataViewDropTarget( new wxCustomDataObject( format ), this ) );

 
 

-        xpos += cw;
-    }
+    return true;

 }
 
 }
 

-void wxGenericDataViewHeaderWindow::OnSetFocus( wxFocusEvent &event )
+void wxDataViewMainWindow::RemoveDropHint()

 {
 {

-    GetParent()->SetFocus();
-    event.Skip();
+    if (m_dropHint)
+    {
+            m_dropHint = false;
+            RefreshRow( m_dropHintLine );
+            m_dropHintLine = (unsigned int) -1;
+    }

 }
 
 }
 

-void wxGenericDataViewHeaderWindow::OnMouse( wxMouseEvent &event )
+wxDragResult wxDataViewMainWindow::OnDragOver( wxDataFormat format, wxCoord x,
+                                               wxCoord y, wxDragResult def )

 {
 {

-    // we want to work with logical coords
-    int x;
-    m_owner->CalcUnscrolledPosition(event.GetX(), 0, &x, NULL);
-    int y = event.GetY();
+    int xx = x;
+    int yy = y;
+    m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
+    unsigned int row = GetLineAt( yy );

 
 

-    if (m_isDragging)
+    if ((row >= GetRowCount()) || (xx > GetEndOfLastCol()))

     {
     {

-        // we don't draw the line beyond our window,
-        // but we allow dragging it there
-        int w = 0;
-        GetClientSize( &w, NULL );
-        m_owner->CalcUnscrolledPosition(w, 0, &w, NULL);
-        w -= 6;
-
-        if (event.ButtonUp())
-        {
-            m_isDragging = false;
-            if (HasCapture())
-                ReleaseMouse();
+        RemoveDropHint();
+        return wxDragNone;
+    }

 
 

-            m_dirty = true;
-        }
-        m_currentX = wxMax(m_minX + 7, x);
+    wxDataViewItem item = GetItemByRow( row );

 
 

-        if (m_currentX < w)
-        {
-            GetColumn(m_column)->SetWidth(m_currentX - m_minX);
-            Refresh();
-            GetOwner()->Refresh();
-        }
+    wxDataViewModel *model = GetOwner()->GetModel();

 
 

+    wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
+    event.SetEventObject( m_owner );
+    event.SetItem( item );
+    event.SetModel( model );
+    event.SetDataFormat( format );
+    if (!m_owner->HandleWindowEvent( event ))
+    {
+        RemoveDropHint();
+        return wxDragNone;

     }
     }

-    else     // not dragging
+
+    if (!event.IsAllowed())

     {
     {

-        m_minX = 0;
-        m_column = wxNOT_FOUND;
+        RemoveDropHint();
+        return wxDragNone;
+    }

 
 

-        bool hit_border = false;

 
 

-        // end of the current column
-        int xpos = 0;
+    if (m_dropHint && (row != m_dropHintLine))
+        RefreshRow( m_dropHintLine );
+    m_dropHint = true;
+    m_dropHintLine = row;
+    RefreshRow( row );

 
 

-        // find the column where this event occured
-        int countCol = m_owner->GetColumnCount();
-        for (int column = 0; column < countCol; column++)
-        {
-            wxDataViewColumn *p = GetColumn(column);
+    return def;
+}

 
 

-            if (p->IsHidden())
-                continue;   // skip if not shown
+bool wxDataViewMainWindow::OnDrop( wxDataFormat format, wxCoord x, wxCoord y )
+{
+    RemoveDropHint();

 
 

-            xpos += p->GetWidth();
-            m_column = column;
-            if ((abs(x-xpos) < 3) && (y < 22))
-            {
-                hit_border = true;
-                break;
-            }
+    int xx = x;
+    int yy = y;
+    m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
+    unsigned int row = GetLineAt( yy );

 
 

-            if (x < xpos)
-            {
-                // inside the column
-                break;
-            }
+    if ((row >= GetRowCount()) || (xx > GetEndOfLastCol()))
+        return false;

 
 

-            m_minX = xpos;
-        }
+    wxDataViewItem item = GetItemByRow( row );

 
 

-        int old_hover = m_hover;
-        m_hover = m_column;
-        if (event.Leaving())
-            m_hover = wxNOT_FOUND;
-        if (old_hover != m_hover)
-            Refresh();
+    wxDataViewModel *model = GetOwner()->GetModel();

 
 

-        if (m_column == wxNOT_FOUND)
-            return;
+    wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
+    event.SetEventObject( m_owner );
+    event.SetItem( item );
+    event.SetModel( model );
+    event.SetDataFormat( format );
+    if (!m_owner->HandleWindowEvent( event ))
+        return false;

 
 

-        bool resizeable = GetColumn(m_column)->IsResizeable();
-        if (event.LeftDClick() && resizeable)
-        {
-            GetColumn(m_column)->SetWidth(GetOwner()->GetBestColumnWidth(m_column));
-            Refresh();
-        }
-        else if (event.LeftDown() || event.RightUp())
-        {
-            if (hit_border && event.LeftDown() && resizeable)
-            {
-                m_isDragging = true;
-                CaptureMouse();
-                m_currentX = x;
-            }
-            else    // click on a column
-            {
-                wxDataViewModel * model = GetOwner()->GetModel();
-                wxEventType evt = event.LeftDown() ?
-                        wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK :
-                        wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK;
-                SendEvent(evt, m_column);
-
-                //Left click the header
-                if(event.LeftDown())
-                {
-                    wxDataViewColumn *col = GetColumn(m_column);
-                    if(col->IsSortable())
-                    {
-                        wxDataViewColumn* sortCol = m_owner->GetSortingColumn();
-                        if(model && sortCol == col)
-                        {
-                            bool order = col->IsSortOrderAscending();
-                            col->SetSortOrder(!order);
-                        }
-                        else if(model)
-                        {
-                            m_owner->SetSortingColumn(col);
-                        }
-                    }
-                    UpdateDisplay();
-                    if(model)
-                        model->Resort();
-                    //Send the column sorted event
-                    SendEvent(wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED, m_column);
-                }
-            }
-        }
-        else if (event.Moving())
-        {
-            if (hit_border && resizeable)
-                m_currentCursor = m_resizeCursor;
-            else
-                m_currentCursor = wxSTANDARD_CURSOR;
+    if (!event.IsAllowed())
+        return false;

 
 

-            SetCursor(*m_currentCursor);
-        }
-    }
+    return true;

 }
 
 }
 

-void wxGenericDataViewHeaderWindow::AdjustDC(wxDC& dc)
+wxDragResult wxDataViewMainWindow::OnData( wxDataFormat format, wxCoord x, wxCoord y,
+                                           wxDragResult def )

 {
 {

-    int xpix, x;
+    int xx = x;
+    int yy = y;
+    m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
+    unsigned int row = GetLineAt( yy );

 
 

-    m_owner->GetScrollPixelsPerUnit( &xpix, NULL );
-    m_owner->GetViewStart( &x, NULL );
+    if ((row >= GetRowCount()) || (xx > GetEndOfLastCol()))
+        return wxDragNone;

 
 

-    // shift the DC origin to match the position of the main window horizontal
-    // scrollbar: this allows us to always use logical coords
-    dc.SetDeviceOrigin( -x * xpix, 0 );
-}
+    wxDataViewItem item = GetItemByRow( row );

 
 

-#endif      // defined(__WXMSW__)
+    wxDataViewModel *model = GetOwner()->GetModel();

 
 

-//-----------------------------------------------------------------------------
-// wxDataViewRenameTimer
-//-----------------------------------------------------------------------------
+    wxCustomDataObject *obj = (wxCustomDataObject *) GetDropTarget()->GetDataObject();

 
 

-wxDataViewRenameTimer::wxDataViewRenameTimer( wxDataViewMainWindow *owner )
-{
-    m_owner = owner;
+    wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, m_owner->GetId() );
+    event.SetEventObject( m_owner );
+    event.SetItem( item );
+    event.SetModel( model );
+    event.SetDataFormat( format );
+    event.SetDataSize( obj->GetSize() );
+    event.SetDataBuffer( obj->GetData() );
+    if (!m_owner->HandleWindowEvent( event ))
+        return wxDragNone;
+
+    if (!event.IsAllowed())
+        return wxDragNone;
+
+    return def;

 }
 
 }
 

-void wxDataViewRenameTimer::Notify()
+void wxDataViewMainWindow::OnLeave()

 {
 {

-    m_owner->OnRenameTimer();
+    RemoveDropHint();

 }
 
 }
 

-//-----------------------------------------------------------------------------
-// wxDataViewMainWindow
-//-----------------------------------------------------------------------------
-
-//The tree building helper, declared firstly
-static void BuildTreeHelper( wxDataViewModel * model,  wxDataViewItem & item, wxDataViewTreeNode * node);
-
-int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )
+wxBitmap wxDataViewMainWindow::CreateItemBitmap( unsigned int row, int &indent )

 {
 {

-    if (row1 > row2) return 1;
-    if (row1 == row2) return 0;
-    return -1;
-}
+    int height = GetLineHeight( row );
+    int width = 0;
+    unsigned int cols = GetOwner()->GetColumnCount();
+    unsigned int col;
+    for (col = 0; col < cols; col++)
+    {
+        wxDataViewColumn *column = GetOwner()->GetColumnAt(col);
+        if (column->IsHidden())
+            continue;      // skip it!
+        width += column->GetWidth();
+    }

 
 

+    indent = 0;
+    if (!IsList())
+    {
+        wxDataViewTreeNode *node = GetTreeNodeByRow(row);
+        indent = GetOwner()->GetIndent() * node->GetIndentLevel();
+        indent = indent + m_lineHeight;
+            // try to use the m_lineHeight as the expander space

 
 

-IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
+        if(!node->HasChildren())
+            delete node;
+    }
+    width -= indent;

 
 

-BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
-    EVT_PAINT         (wxDataViewMainWindow::OnPaint)
-    EVT_MOUSE_EVENTS  (wxDataViewMainWindow::OnMouse)
-    EVT_SET_FOCUS     (wxDataViewMainWindow::OnSetFocus)
-    EVT_KILL_FOCUS    (wxDataViewMainWindow::OnKillFocus)
-    EVT_CHAR          (wxDataViewMainWindow::OnChar)
-END_EVENT_TABLE()
+    wxBitmap bitmap( width, height );
+    wxMemoryDC dc( bitmap );
+    dc.SetFont( GetFont() );
+    dc.SetPen( *wxBLACK_PEN );
+    dc.SetBrush( *wxWHITE_BRUSH );
+    dc.DrawRectangle( 0,0,width,height );

 
 

-wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID id,
-    const wxPoint &pos, const wxSize &size, const wxString &name ) :
-    wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE, name ),
-    m_selection( wxDataViewSelectionCmp )
+    wxDataViewModel *model = m_owner->GetModel();

 
 

-{
-    SetOwner( parent );
+    wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
+    if (!expander)
+    {
+        // TODO-RTL: last column for RTL support
+        expander = GetOwner()->GetColumnAt( 0 );
+        GetOwner()->SetExpanderColumn(expander);
+    }

 
 

-    m_lastOnSame = false;
-    m_renameTimer = new wxDataViewRenameTimer( this );

 
 

-    // TODO: user better initial values/nothing selected
-    m_currentCol = NULL;
-    m_currentRow = 0;
+    int x = 0;
+    for (col = 0; col < cols; col++)
+    {
+        wxDataViewColumn *column = GetOwner()->GetColumnAt( col );
+        wxDataViewRenderer *cell = column->GetRenderer();

 
 

-    m_lineHeight = wxMax( 17, GetCharHeight() + 2 ); // 17 = mini icon height + 1
+        if (column->IsHidden())
+            continue;       // skip it!

 
 

-    m_dragCount = 0;
-    m_dragStart = wxPoint(0,0);
-    m_lineLastClicked = (unsigned int) -1;
-    m_lineBeforeLastClicked = (unsigned int) -1;
-    m_lineSelectSingleOnUp = (unsigned int) -1;
+        width = column->GetWidth();

 
 

-    m_hasFocus = false;
+        if (column == expander)
+            width -= indent;

 
 

-    SetBackgroundColour( *wxWHITE );
+        wxDataViewItem item = GetItemByRow( row );
+        cell->PrepareForItem(model, item, column->GetModelColumn());

 
 

-    SetBackgroundStyle(wxBG_STYLE_CUSTOM);
+        wxRect item_rect(x, 0, width, height);
+        item_rect.Deflate(PADDING_RIGHTLEFT, 0);

 
 

-    m_penRule = wxPen(GetRuleColour());
+        // dc.SetClippingRegion( item_rect );
+        cell->WXCallRender(item_rect, &dc, 0);
+        // dc.DestroyClippingRegion();

 
 

-    //Here I compose a pen can draw black lines, maybe there are something system colour to use
-    m_penExpander = wxPen(wxColour(0,0,0));
-    //Some new added code to deal with the tree structure
-    m_root = new wxDataViewTreeNode( NULL );
-    m_root->SetHasChildren(true);
+        x += width;
+    }

 
 

-    //Make m_count = -1 will cause the class recaculate the real displaying number of rows.
-    m_count = -1;
-    m_underMouse = NULL;
-    UpdateDisplay();
+    return bitmap;

 }
 
 }
 

-wxDataViewMainWindow::~wxDataViewMainWindow()
-{
-    DestroyTree();
-    delete m_renameTimer;
-}
+#endif // wxUSE_DRAG_AND_DROP
+

 
 void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
 {
 
 void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
 {


@@ -1940,13 +1608,17 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
     wxAutoBufferedPaintDC dc( this );
 
 #ifdef __WXMSW__
     wxAutoBufferedPaintDC dc( this );
 
 #ifdef __WXMSW__

+    dc.SetBrush(GetOwner()->GetBackgroundColour());

     dc.SetPen( *wxTRANSPARENT_PEN );
     dc.SetPen( *wxTRANSPARENT_PEN );

-    dc.SetBrush( wxBrush( GetBackgroundColour()) );
-    dc.SetBrush( *wxWHITE_BRUSH );
-    wxSize size( GetClientSize() );
-    dc.DrawRectangle( 0,0,size.x,size.y );
+    dc.DrawRectangle(GetClientSize());

 #endif
 
 #endif
 

+    if ( IsEmpty() )
+    {
+        // No items to draw.
+        return;
+    }
+

     // prepare the DC
     GetOwner()->PrepareDC( dc );
     dc.SetFont( GetFont() );
     // prepare the DC
     GetOwner()->PrepareDC( dc );
     dc.SetFont( GetFont() );


@@ -1958,16 +1630,30 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
     unsigned int item_start = GetLineAt( wxMax(0,update.y) );
     unsigned int item_count =
         wxMin( (int)(  GetLineAt( wxMax(0,update.y+update.height) ) - item_start + 1),
     unsigned int item_start = GetLineAt( wxMax(0,update.y) );
     unsigned int item_count =
         wxMin( (int)(  GetLineAt( wxMax(0,update.y+update.height) ) - item_start + 1),

-               (int)(GetRowCount( ) - item_start));
+            (int)(GetRowCount( ) - item_start));

     unsigned int item_last = item_start + item_count;
 
     unsigned int item_last = item_start + item_count;
 

+    // Send the event to wxDataViewCtrl itself.
+    wxWindow * const parent = GetParent();
+    wxDataViewEvent cache_event(wxEVT_COMMAND_DATAVIEW_CACHE_HINT, parent->GetId());
+    cache_event.SetEventObject(parent);
+    cache_event.SetCache(item_start, item_last - 1);
+    parent->ProcessWindowEvent(cache_event);
+

     // compute which columns needs to be redrawn
     unsigned int cols = GetOwner()->GetColumnCount();
     // compute which columns needs to be redrawn
     unsigned int cols = GetOwner()->GetColumnCount();

+    if ( !cols )
+    {
+        // we assume that we have at least one column below and painting an
+        // empty control is unnecessary anyhow
+        return;
+    }
+

     unsigned int col_start = 0;
     unsigned int x_start;
     for (x_start = 0; col_start < cols; col_start++)
     {
     unsigned int col_start = 0;
     unsigned int x_start;
     for (x_start = 0; col_start < cols; col_start++)
     {

-        wxDataViewColumn *col = GetOwner()->GetColumn(col_start);
+        wxDataViewColumn *col = GetOwner()->GetColumnAt(col_start);

         if (col->IsHidden())
             continue;      // skip it!
 
         if (col->IsHidden())
             continue;      // skip it!
 


@@ -1982,7 +1668,7 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
     unsigned int x_last = x_start;
     for (; col_last < cols; col_last++)
     {
     unsigned int x_last = x_start;
     for (; col_last < cols; col_last++)
     {

-        wxDataViewColumn *col = GetOwner()->GetColumn(col_last);
+        wxDataViewColumn *col = GetOwner()->GetColumnAt(col_last);

         if (col->IsHidden())
             continue;      // skip it!
 
         if (col->IsHidden())
             continue;      // skip it!
 


@@ -1998,7 +1684,7 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
         dc.SetPen(m_penRule);
         dc.SetBrush(*wxTRANSPARENT_BRUSH);
 
         dc.SetPen(m_penRule);
         dc.SetBrush(*wxTRANSPARENT_BRUSH);
 

-        for (unsigned int i = item_start; i <= item_last+1; i++)
+        for (unsigned int i = item_start; i <= item_last; i++)

         {
             int y = GetLineStart( i );
             dc.DrawLine(x_start, y, x_last, y);
         {
             int y = GetLineStart( i );
             dc.DrawLine(x_start, y, x_last, y);


@@ -2011,22 +1697,23 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
         dc.SetPen(m_penRule);
         dc.SetBrush(*wxTRANSPARENT_BRUSH);
 
         dc.SetPen(m_penRule);
         dc.SetBrush(*wxTRANSPARENT_BRUSH);
 

-        int x = x_start;
+        // NB: Vertical rules are drawn in the last pixel of a column so that
+        //     they align perfectly with native MSW wxHeaderCtrl as well as for
+        //     consistency with MSW native list control. There's no vertical
+        //     rule at the most-left side of the control.
+
+        int x = x_start - 1;

         for (unsigned int i = col_start; i < col_last; i++)
         {
         for (unsigned int i = col_start; i < col_last; i++)
         {

-            wxDataViewColumn *col = GetOwner()->GetColumn(i);
+            wxDataViewColumn *col = GetOwner()->GetColumnAt(i);

             if (col->IsHidden())
                 continue;       // skip it
 
             if (col->IsHidden())
                 continue;       // skip it
 

+            x += col->GetWidth();
+

             dc.DrawLine(x, GetLineStart( item_start ),
                         x, GetLineStart( item_last ) );
             dc.DrawLine(x, GetLineStart( item_start ),
                         x, GetLineStart( item_last ) );

-
-            x += col->GetWidth();

         }
         }

-
-        // Draw last vertical rule
-        dc.DrawLine(x, GetLineStart( item_start ),
-                    x, GetLineStart( item_last ) );

     }
 
     // redraw the background for the items which are selected/current
     }
 
     // redraw the background for the items which are selected/current


@@ -2041,7 +1728,8 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
             if (m_hasFocus)
                 flags |= wxCONTROL_FOCUSED;
 
             if (m_hasFocus)
                 flags |= wxCONTROL_FOCUSED;
 

-            wxRect rect( x_start, GetLineStart( item ), x_last, GetLineHeight( item ) );
+            wxRect rect( x_start, GetLineStart( item ),
+                         x_last - x_start, GetLineHeight( item ) );

             wxRendererNative::Get().DrawItemSelectionRect
                                 (
                                     this,
             wxRendererNative::Get().DrawItemSelectionRect
                                 (
                                     this,


@@ -2052,11 +1740,22 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
         }
     }
 
         }
     }
 

+#if wxUSE_DRAG_AND_DROP
+    if (m_dropHint)
+    {
+        wxRect rect( x_start, GetLineStart( m_dropHintLine ),
+                     x_last - x_start, GetLineHeight( m_dropHintLine ) );
+        dc.SetPen( *wxBLACK_PEN );
+        dc.SetBrush( *wxTRANSPARENT_BRUSH );
+        dc.DrawRectangle( rect );
+    }
+#endif // wxUSE_DRAG_AND_DROP
+

     wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
     if (!expander)
     {
     wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
     if (!expander)
     {

-        // TODO: last column for RTL support
-        expander = GetOwner()->GetColumn( 0 );
+        // TODO-RTL: last column for RTL support
+        expander = GetOwner()->GetColumnAt( 0 );

         GetOwner()->SetExpanderColumn(expander);
     }
 
         GetOwner()->SetExpanderColumn(expander);
     }
 


@@ -2065,18 +1764,16 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
     cell_rect.x = x_start;
     for (unsigned int i = col_start; i < col_last; i++)
     {
     cell_rect.x = x_start;
     for (unsigned int i = col_start; i < col_last; i++)
     {

-
-        wxDataViewColumn *col = GetOwner()->GetColumn( i );
+        wxDataViewColumn *col = GetOwner()->GetColumnAt( i );

         wxDataViewRenderer *cell = col->GetRenderer();
         cell_rect.width = col->GetWidth();
 
         wxDataViewRenderer *cell = col->GetRenderer();
         cell_rect.width = col->GetWidth();
 

-        if (col->IsHidden())
+        if ( col->IsHidden() || cell_rect.width <= 0 )

             continue;       // skip it!
 
         for (unsigned int item = item_start; item < item_last; item++)
         {
             // get the cell value and set it into the renderer
             continue;       // skip it!
 
         for (unsigned int item = item_start; item < item_last; item++)
         {
             // get the cell value and set it into the renderer

-            wxVariant value;

             wxDataViewTreeNode *node = NULL;
             wxDataViewItem dataitem;
 
             wxDataViewTreeNode *node = NULL;
             wxDataViewItem dataitem;
 


@@ -2088,61 +1785,64 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
 
                 dataitem = node->GetItem();
 
 
                 dataitem = node->GetItem();
 

-                if ((i > 0) && model->IsContainer(dataitem) && !model->HasContainerColumns(dataitem))
+                // Skip all columns of "container" rows except the expander
+                // column itself unless HasContainerColumns() overrides this.
+                if ( col != GetOwner()->GetExpanderColumn() &&
+                        model->IsContainer(dataitem) &&
+                            !model->HasContainerColumns(dataitem) )

                     continue;
             }
             else
             {
                     continue;
             }
             else
             {

-                dataitem = wxDataViewItem( wxUIntToPtr(item) );
+                dataitem = wxDataViewItem( wxUIntToPtr(item+1) );

             }
 
             }
 

-            model->GetValue( value, dataitem, col->GetModelColumn());
-            cell->SetValue( value );
-
-            if (cell->GetWantsAttr())
-            {
-                wxDataViewItemAttr attr;
-                bool ret = model->GetAttr( dataitem, col->GetModelColumn(), attr );
-                if (ret)
-                    cell->SetAttr( attr );
-                cell->SetHasAttr( ret );
-            }
+            cell->PrepareForItem(model, dataitem, col->GetModelColumn());

 
             // update cell_rect
             cell_rect.y = GetLineStart( item );
 
             // update cell_rect
             cell_rect.y = GetLineStart( item );

-            cell_rect.height = GetLineHeight( item );     // -1 is for the horizontal rules (?)
+            cell_rect.height = GetLineHeight( item );

 
 

-            //Draw the expander here.
+            // deal with the expander

             int indent = 0;
             int indent = 0;

-            if ((!IsVirtualList()) && (col == expander))
+            if ((!IsList()) && (col == expander))

             {
             {

-                indent = node->GetIndentLevel();
-
-                //Calculate the indent first
-                indent = cell_rect.x + GetOwner()->GetIndent() * indent;
-
-                int expander_width = m_lineHeight - 2*EXPANDER_MARGIN;
-                // change the cell_rect.x to the appropriate pos
-                int  expander_x = indent + EXPANDER_MARGIN;
-                int expander_y = cell_rect.y + EXPANDER_MARGIN + (GetLineHeight(item) / 2) - (expander_width/2) - EXPANDER_OFFSET;
-                indent = indent + m_lineHeight;  //try to use the m_lineHeight as the expander space
-                dc.SetPen( m_penExpander );
-                dc.SetBrush( wxNullBrush );
-                if( node->HasChildren() )
+                // Calculate the indent first
+                indent = GetOwner()->GetIndent() * node->GetIndentLevel();
+
+                // we reserve m_lineHeight of horizontal space for the expander
+                // but leave EXPANDER_MARGIN around the expander itself
+                int exp_x = cell_rect.x + indent + EXPANDER_MARGIN;
+
+                indent += m_lineHeight;
+
+                // draw expander if needed and visible
+                if ( node->HasChildren() && exp_x < cell_rect.GetRight() )

                 {
                 {

-                    wxRect rect( expander_x , expander_y, expander_width, expander_width);
+                    dc.SetPen( m_penExpander );
+                    dc.SetBrush( wxNullBrush );
+
+                    int exp_size = m_lineHeight - 2*EXPANDER_MARGIN;
+                    int exp_y = cell_rect.y + (cell_rect.height - exp_size)/2
+                                   + EXPANDER_MARGIN - EXPANDER_OFFSET;
+
+                    const wxRect rect(exp_x, exp_y, exp_size, exp_size);
+

                     int flag = 0;
                     int flag = 0;

-                    if (m_underMouse == node)
-                    {
+                    if ( m_underMouse == node )

                         flag |= wxCONTROL_CURRENT;
                         flag |= wxCONTROL_CURRENT;

-                    }
-                    if( node->IsOpen() )
-                        wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag|wxCONTROL_EXPANDED );
-                    else
-                        wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);
+                    if ( node->IsOpen() )
+                        flag |= wxCONTROL_EXPANDED;
+
+                    // ensure that we don't overflow the cell (which might
+                    // happen if the column is very narrow)
+                    wxDCClipper clip(dc, cell_rect);
+
+                    wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);

                 }
                 }

-                 //force the expander column to left-center align
-                 cell->SetAlignment( wxALIGN_CENTER_VERTICAL );
+
+                // force the expander column to left-center align
+                cell->SetAlignment( wxALIGN_CENTER_VERTICAL );

             }
             if (node && !node->HasChildren())
             {
             }
             if (node && !node->HasChildren())
             {


@@ -2151,38 +1851,15 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
                 wxDELETE(node);
             }
 
                 wxDELETE(node);
             }
 

-            // cannot be bigger than allocated space
-            wxSize size = cell->GetSize();
-            // Because of the tree structure indent, here we should minus the width of the cell for drawing
-            size.x = wxMin( size.x + 2*PADDING_RIGHTLEFT, cell_rect.width - indent );
-            // size.y = wxMin( size.y, cell_rect.height );
-            size.y = cell_rect.height;
-
-            wxRect item_rect(cell_rect.GetTopLeft(), size);
-            int align = cell->CalculateAlignment();
-
-            // horizontal alignment:
-            item_rect.x = cell_rect.x;
-            if (align & wxALIGN_CENTER_HORIZONTAL)
-                item_rect.x = cell_rect.x + (cell_rect.width / 2) - (size.x / 2);
-            else if (align & wxALIGN_RIGHT)
-                item_rect.x = cell_rect.x + cell_rect.width - size.x;
-            //else: wxALIGN_LEFT is the default
-
-            // vertical alignment:
-            item_rect.y = cell_rect.y;
-            if (align & wxALIGN_CENTER_VERTICAL)
-                item_rect.y = cell_rect.y + (cell_rect.height / 2) - (size.y / 2);
-            else if (align & wxALIGN_BOTTOM)
-                item_rect.y = cell_rect.y + cell_rect.height - size.y;
-            //else: wxALIGN_TOP is the default
-
-            // add padding
-            item_rect.x += PADDING_RIGHTLEFT;
-            item_rect.width = size.x - 2 * PADDING_RIGHTLEFT;
-
-            //Here we add the tree indent
+            wxRect item_rect = cell_rect;
+            item_rect.Deflate(PADDING_RIGHTLEFT, 0);
+
+            // account for the tree indent (harmless if we're not indented)

             item_rect.x += indent;
             item_rect.x += indent;

+            item_rect.width -= indent;
+
+            if ( item_rect.width <= 0 )
+                continue;

 
             int state = 0;
             if (m_hasFocus && (m_selection.Index(item) != wxNOT_FOUND))
 
             int state = 0;
             if (m_hasFocus && (m_selection.Index(item) != wxNOT_FOUND))


@@ -2195,9 +1872,9 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
             //       respect the given wxRect's top & bottom coords, eventually
             //       violating only the left & right coords - however the user can
             //       make its own renderer and thus we cannot be sure of that.
             //       respect the given wxRect's top & bottom coords, eventually
             //       violating only the left & right coords - however the user can
             //       make its own renderer and thus we cannot be sure of that.

-            dc.SetClippingRegion( item_rect );
-            cell->Render( item_rect, &dc, state );
-            dc.DestroyClippingRegion();
+            wxDCClipper clip(dc, item_rect);
+
+            cell->WXCallRender(item_rect, &dc, state);

         }
 
         cell_rect.x += cell_rect.width;
         }
 
         cell_rect.x += cell_rect.width;


@@ -2207,46 +1884,31 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
 void wxDataViewMainWindow::OnRenameTimer()
 {
     // We have to call this here because changes may just have
 void wxDataViewMainWindow::OnRenameTimer()
 {
     // We have to call this here because changes may just have

-    // been made and no screen update taken place.
-    if ( m_dirty )
-        wxSafeYield();
-
-    int xpos = 0;
-    unsigned int cols = GetOwner()->GetColumnCount();
-    unsigned int i;
-    for (i = 0; i < cols; i++)
-    {
-        wxDataViewColumn *c = GetOwner()->GetColumn( i );
-        if (c->IsHidden())
-            continue;      // skip it!
-
-        if (c == m_currentCol)
-            break;
-        xpos += c->GetWidth();
+    // been made and no screen update taken place.
+    if ( m_dirty )
+    {
+        // TODO: use wxTheApp->SafeYieldFor(NULL, wxEVT_CATEGORY_UI) instead
+        //       (needs to be tested!)
+        wxSafeYield();

     }
     }

-    wxRect labelRect( xpos,
-                      GetLineStart( m_currentRow ),
-                      m_currentCol->GetWidth(),
-                      GetLineHeight( m_currentRow ) );
-
-    GetOwner()->CalcScrolledPosition( labelRect.x, labelRect.y,
-                                     &labelRect.x, &labelRect.y);

 
     wxDataViewItem item = GetItemByRow( m_currentRow );
 
     wxDataViewItem item = GetItemByRow( m_currentRow );

-    m_currentCol->GetRenderer()->StartEditing( item, labelRect );

 
 

+    wxRect labelRect = GetItemRect(item, m_currentCol);
+
+    m_currentCol->GetRenderer()->StartEditing( item, labelRect );

 }
 
 }
 

-//------------------------------------------------------------------
+//-----------------------------------------------------------------------------

 // Helper class for do operation on the tree node
 // Helper class for do operation on the tree node

-//------------------------------------------------------------------
+//-----------------------------------------------------------------------------

 class DoJob
 {
 public:
     DoJob() { }
     virtual ~DoJob() { }
 
 class DoJob
 {
 public:
     DoJob() { }
     virtual ~DoJob() { }
 

-    //The return value control how the tree-walker tranverse the tree
+    // The return value control how the tree-walker tranverse the tree

     // 0: Job done, stop tranverse and return
     // 1: Ignore the current node's subtree and continue
     // 2: Job not done, continue
     // 0: Job done, stop tranverse and return
     // 1: Ignore the current node's subtree and continue
     // 2: Job not done, continue


@@ -2271,8 +1933,8 @@ bool Walker( wxDataViewTreeNode * node, DoJob & func )
             ;
     }
 
             ;
     }
 

-    wxDataViewTreeNodes nodes = node->GetNodes();
-    wxDataViewTreeLeaves leaves = node->GetChildren();
+    const wxDataViewTreeNodes& nodes = node->GetNodes();
+    const wxDataViewTreeLeaves& leaves = node->GetChildren();

 
     int len_nodes = nodes.GetCount();
     int len = leaves.GetCount();
 
     int len_nodes = nodes.GetCount();
     int len = leaves.GetCount();


@@ -2299,7 +1961,7 @@ bool Walker( wxDataViewTreeNode * node, DoJob & func )
                     continue;
                 case DoJob::CONT:
                 default:
                     continue;
                 case DoJob::CONT:
                 default:

-                   ;
+                ;

             }
     }
     return false;
             }
     }
     return false;


@@ -2307,9 +1969,13 @@ bool Walker( wxDataViewTreeNode * node, DoJob & func )
 
 bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
 {
 
 bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxDataViewItem & item)
 {

-    if (!m_root)
+    GetOwner()->InvalidateColBestWidths();
+
+    if (IsVirtualList())

     {
     {

-        m_count++;
+        wxDataViewVirtualListModel *list_model =
+            (wxDataViewVirtualListModel*) GetOwner()->GetModel();
+        m_count = list_model->GetCount();

         UpdateDisplay();
         return true;
     }
         UpdateDisplay();
         return true;
     }


@@ -2347,68 +2013,120 @@ static void DestroyTreeHelper( wxDataViewTreeNode * node);
 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
                                        const wxDataViewItem& item)
 {
 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
                                        const wxDataViewItem& item)
 {

-    if (!m_root)
+    GetOwner()->InvalidateColBestWidths();
+
+    if (IsVirtualList())

     {
     {

-        m_count--;
-        if( m_currentRow > GetRowCount() )
-            m_currentRow = m_count - 1;
+        wxDataViewVirtualListModel *list_model =
+            (wxDataViewVirtualListModel*) GetOwner()->GetModel();
+        m_count = list_model->GetCount();

 
 

-        m_selection.Empty();
+        if ( !m_selection.empty() )
+        {
+            const int row = GetRowByItem(item);

 
 

-        UpdateDisplay();
+            const size_t selCount = m_selection.size();
+            for ( size_t i = 0; i < selCount; i++ )
+            {
+                if ( m_selection[i] > (unsigned)row )
+                    m_selection[i]--;
+            }
+
+            int itemRow = m_selection.Index(row);
+            if ( itemRow != wxNOT_FOUND )
+                m_selection.RemoveAt(itemRow);
+        }

 
 

-        return true;

     }
     }

+    else // general case
+    {
+        wxDataViewTreeNode * node = FindNode(parent);
+        int itemPosInNode = node ? node->GetChildren().Index(item.GetID()) : wxNOT_FOUND;
+
+        // Notice that it is possible that the item being deleted is not in the
+        // tree at all, for example we could be deleting a never shown (because
+        // collapsed) item in a tree model. So it's not an error if we don't know
+        // about this item, just return without doing anything then.
+        if ( !node || itemPosInNode == wxNOT_FOUND )
+            return false;
+
+        bool isContainer = false;
+        wxDataViewTreeNode *itemNode = NULL;

 
 

-    wxDataViewTreeNode * node = FindNode(parent);
+        const wxDataViewTreeNodes nds = node->GetNodes();
+        for (size_t i = 0; i < nds.GetCount(); i ++)
+        {
+            if (nds[i]->GetItem() == item)
+            {
+                isContainer = true;
+                itemNode = nds[i];
+                break;
+            }
+        }

 
 

-    wxCHECK_MSG( node != NULL, false, "item not found" );
-    wxCHECK_MSG( node->GetChildren().Index( item.GetID() ) != wxNOT_FOUND, false, "item not found" );
+        // Delete the item from wxDataViewTreeNode representation:
+        int itemsDeleted = 1;
+        node->GetChildren().Remove( item.GetID() );

 
 

-    int sub = -1;
-    node->GetChildren().Remove( item.GetID() );
-    //Manuplate selection
-    if( m_selection.GetCount() > 1 )
-    {
-        m_selection.Empty();
-    }
-    bool isContainer = false;
-    wxDataViewTreeNodes nds = node->GetNodes();
-    for (size_t i = 0; i < nds.GetCount(); i ++)
-    {
-        if (nds[i]->GetItem() == item)
+        if( isContainer )

         {
         {

-            isContainer = true;
-            break;
+            wxDataViewTreeNode *n = node->FindItemAsNode(item);
+
+            wxCHECK_MSG( n != NULL, false, "item not found" );
+
+            node->GetNodes().Remove( n );
+            itemsDeleted += n->GetSubTreeCount();
+            ::DestroyTreeHelper(n);

         }
         }

-    }
-    if( isContainer )
-    {
-        wxDataViewTreeNode * n = NULL;
-        wxDataViewTreeNodes nodes = node->GetNodes();
-        int len = nodes.GetCount();
-        for( int i = 0; i < len; i ++)
+
+        // Make the row number invalid and get a new valid one when user call GetRowCount
+        m_count = -1;
+        node->ChangeSubTreeCount(-itemsDeleted);
+
+        // Update selection by removing 'item' and its entire children tree from the selection.
+        if ( !m_selection.empty() )

         {
         {

-            if( nodes[i]->GetItem() == item )
+            // we can't call GetRowByItem() on 'item', as it's already deleted, so compute it from
+            // the parent ('node') and position in its list of children
+            int itemRow;
+            if ( itemPosInNode == 0 )

             {
             {

-                n = nodes[i];
-                break;
+                // 1st child, row number is that of the parent node + 1
+                itemRow = GetRowByItem(node->GetItem()) + 1;

             }
             }

-        }
+            else
+            {
+                // row number is that of the sibling above 'item' + its subtree if any + 1
+                const wxDataViewItem sibling = wxDataViewItem(node->GetChildren()[itemPosInNode - 1]);
+                const wxDataViewTreeNode *siblingNode = node->FindItemAsNode(sibling);
+
+                itemRow = GetRowByItem(sibling);
+                if ( siblingNode )
+                    itemRow += siblingNode->GetSubTreeCount();
+                itemRow += 1;
+            }
+
+            wxDataViewSelection newsel(wxDataViewSelectionCmp);

 
 

-        wxCHECK_MSG( n != NULL, false, "item not found" );
+            for ( wxDataViewSelection::const_iterator i = m_selection.begin();
+                  i != m_selection.end();
+                  ++i )
+            {
+                const int s = *i;
+                if ( s < itemRow )
+                    newsel.push_back(s);
+                else if ( s >= itemRow + itemsDeleted )
+                    newsel.push_back(s - itemsDeleted);
+                // else: deleted item, remove from selection
+            }

 
 

-        node->GetNodes().Remove( n );
-        sub -= n->GetSubTreeCount();
-        ::DestroyTreeHelper(n);
+            m_selection = newsel;
+        }

     }
     }

-    //Make the row number invalid and get a new valid one when user call GetRowCount
-    m_count = -1;
-    node->ChangeSubTreeCount(sub);

 
 

-    //Change the current row to the last row if the current exceed the max row number
+    // Change the current row to the last row if the current exceed the max row number

     if( m_currentRow > GetRowCount() )
     if( m_currentRow > GetRowCount() )

-        m_currentRow = m_count - 1;
+        ChangeCurrentRow(m_count - 1);

 
     UpdateDisplay();
 
 
     UpdateDisplay();
 


@@ -2417,10 +2135,12 @@ bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
 
 bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
 {
 
 bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
 {

+    GetOwner()->InvalidateColBestWidths();
+

     SortPrepare();
     g_model->Resort();
 
     SortPrepare();
     g_model->Resort();
 

-    //Send event
+    // Send event

     wxWindow *parent = GetParent();
     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
     le.SetEventObject(parent);
     wxWindow *parent = GetParent();
     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
     le.SetEventObject(parent);


@@ -2431,8 +2151,24 @@ bool wxDataViewMainWindow::ItemChanged(const wxDataViewItem & item)
     return true;
 }
 
     return true;
 }
 

-bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int col )
+bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned int model_column )

 {
 {

+    int view_column = -1;
+    unsigned int n_col = m_owner->GetColumnCount();
+    for (unsigned i = 0; i < n_col; i++)
+    {
+        wxDataViewColumn *column = m_owner->GetColumn( i );
+        if (column->GetModelColumn() == model_column)
+        {
+            view_column = (int) i;
+            break;
+        }
+    }
+    if (view_column == -1)
+        return false;
+
+    GetOwner()->InvalidateColBestWidth(view_column);
+

     // NOTE: to be valid, we cannot use e.g. INT_MAX - 1
 /*#define MAX_VIRTUAL_WIDTH       100000
 
     // NOTE: to be valid, we cannot use e.g. INT_MAX - 1
 /*#define MAX_VIRTUAL_WIDTH       100000
 


@@ -2445,14 +2181,14 @@ bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned i
     SortPrepare();
     g_model->Resort();
 
     SortPrepare();
     g_model->Resort();
 

-    //Send event
+    // Send event

     wxWindow *parent = GetParent();
     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
     le.SetEventObject(parent);
     le.SetModel(GetOwner()->GetModel());
     le.SetItem(item);
     wxWindow *parent = GetParent();
     wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, parent->GetId());
     le.SetEventObject(parent);
     le.SetModel(GetOwner()->GetModel());
     le.SetItem(item);

-    le.SetColumn(col);
-    le.SetDataViewColumn(GetOwner()->GetColumn(col));
+    le.SetColumn(view_column);
+    le.SetDataViewColumn(GetOwner()->GetColumn(view_column));

     parent->GetEventHandler()->ProcessEvent(le);
 
     return true;
     parent->GetEventHandler()->ProcessEvent(le);
 
     return true;


@@ -2460,7 +2196,10 @@ bool wxDataViewMainWindow::ValueChanged( const wxDataViewItem & item, unsigned i
 
 bool wxDataViewMainWindow::Cleared()
 {
 
 bool wxDataViewMainWindow::Cleared()
 {

+    GetOwner()->InvalidateColBestWidths();
+

     DestroyTree();
     DestroyTree();

+    m_selection.Clear();

 
     SortPrepare();
     BuildTree( GetOwner()->GetModel() );
 
     SortPrepare();
     BuildTree( GetOwner()->GetModel() );


@@ -2473,6 +2212,7 @@ bool wxDataViewMainWindow::Cleared()
 void wxDataViewMainWindow::UpdateDisplay()
 {
     m_dirty = true;
 void wxDataViewMainWindow::UpdateDisplay()
 {
     m_dirty = true;

+    m_underMouse = NULL;

 }
 
 void wxDataViewMainWindow::OnInternalIdle()
 }
 
 void wxDataViewMainWindow::OnInternalIdle()


@@ -2506,6 +2246,8 @@ void wxDataViewMainWindow::RecalculateDisplay()
 
 void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
 {
 
 void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
 {

+    m_underMouse = NULL;
+

     wxWindow::ScrollWindow( dx, dy, rect );
 
     if (GetOwner()->m_headerArea)
     wxWindow::ScrollWindow( dx, dy, rect );
 
     if (GetOwner()->m_headerArea)


@@ -2514,6 +2256,8 @@ void wxDataViewMainWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
 
 void wxDataViewMainWindow::ScrollTo( int rows, int column )
 {
 
 void wxDataViewMainWindow::ScrollTo( int rows, int column )
 {

+    m_underMouse = NULL;
+

     int x, y;
     m_owner->GetScrollPixelsPerUnit( &x, &y );
     int sy = GetLineStart( rows )/y;
     int x, y;
     m_owner->GetScrollPixelsPerUnit( &x, &y );
     int sy = GetLineStart( rows )/y;


@@ -2527,7 +2271,7 @@ void wxDataViewMainWindow::ScrollTo( int rows, int column )
         m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy );
         for (x_start = 0; colnum < column; colnum++)
         {
         m_owner->CalcUnscrolledPosition( rect.x, rect.y, &xx, &yy );
         for (x_start = 0; colnum < column; colnum++)
         {

-            wxDataViewColumn *col = GetOwner()->GetColumn(colnum);
+            wxDataViewColumn *col = GetOwner()->GetColumnAt(colnum);

             if (col->IsHidden())
                 continue;      // skip it!
 
             if (col->IsHidden())
                 continue;      // skip it!
 


@@ -2562,7 +2306,7 @@ int wxDataViewMainWindow::GetEndOfLastCol() const
     for (i = 0; i < GetOwner()->GetColumnCount(); i++)
     {
         const wxDataViewColumn *c =
     for (i = 0; i < GetOwner()->GetColumnCount(); i++)
     {
         const wxDataViewColumn *c =

-            const_cast<wxDataViewCtrl*>(GetOwner())->GetColumn( i );
+            const_cast<wxDataViewCtrl*>(GetOwner())->GetColumnAt( i );

 
         if (!c->IsHidden())
             width += c->GetWidth();
 
         if (!c->IsHidden())
             width += c->GetWidth();


@@ -2583,9 +2327,9 @@ unsigned int wxDataViewMainWindow::GetLastVisibleRow()
 {
     wxSize client_size = GetClientSize();
     m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,
 {
     wxSize client_size = GetClientSize();
     m_owner->CalcUnscrolledPosition( client_size.x, client_size.y,

-                                     &client_size.x, &client_size.y );
+                                    &client_size.x, &client_size.y );

 
 

-    //we should deal with the pixel here
+    // we should deal with the pixel here

     unsigned int row = GetLineAt(client_size.y) - 1;
 
     return wxMin( GetRowCount()-1, row );
     unsigned int row = GetLineAt(client_size.y) - 1;
 
     return wxMin( GetRowCount()-1, row );


@@ -2764,7 +2508,7 @@ void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
 void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event)
 {
     wxCHECK_RET( newCurrent < GetRowCount(),
 void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event)
 {
     wxCHECK_RET( newCurrent < GetRowCount(),

-                 _T("invalid item index in OnArrowChar()") );
+                wxT("invalid item index in OnArrowChar()") );

 
     // if there is no selection, we cannot move it anywhere
     if (!HasCurrentRow())
 
     // if there is no selection, we cannot move it anywhere
     if (!HasCurrentRow())


@@ -2858,18 +2602,18 @@ int wxDataViewMainWindow::GetLineStart( unsigned int row ) const
                 if (column->IsHidden())
                     continue;      // skip it!
 
                 if (column->IsHidden())
                     continue;      // skip it!
 

-                if ((col != 0) && model->IsContainer(item) && !model->HasContainerColumns(item))
+                if ((col != 0) &&
+                    model->IsContainer(item) &&
+                    !model->HasContainerColumns(item))

                     continue;      // skip it!
 
                     continue;      // skip it!
 

-                const wxDataViewRenderer *renderer = column->GetRenderer();
-                wxVariant value;
-                model->GetValue( value, item, column->GetModelColumn() );
-                wxDataViewRenderer *renderer2 = const_cast<wxDataViewRenderer*>(renderer);
-                renderer2->SetValue( value );
+                wxDataViewRenderer *renderer =
+                    const_cast<wxDataViewRenderer*>(column->GetRenderer());
+                renderer->PrepareForItem(model, item, column->GetModelColumn());
+

                 height = wxMax( height, renderer->GetSize().y );
             }
 
                 height = wxMax( height, renderer->GetSize().y );
             }
 

-

             start += height;
         }
 
             start += height;
         }
 


@@ -2894,14 +2638,14 @@ int wxDataViewMainWindow::GetLineAt( unsigned int y ) const
     unsigned int yy = 0;
     for (;;)
     {
     unsigned int yy = 0;
     for (;;)
     {

-       const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
-       if (!node)
-       {
-           // not really correct...
-           return row + ((y-yy) / m_lineHeight);
-       }
+        const wxDataViewTreeNode* node = GetTreeNodeByRow(row);
+        if (!node)
+        {
+            // not really correct...
+            return row + ((y-yy) / m_lineHeight);
+        }

 
 

-       wxDataViewItem item = node->GetItem();
+        wxDataViewItem item = node->GetItem();

 
         if (node && !node->HasChildren())
         {
 
         if (node && !node->HasChildren())
         {


@@ -2910,31 +2654,32 @@ int wxDataViewMainWindow::GetLineAt( unsigned int y ) const
             wxDELETE(node);
         }
 
             wxDELETE(node);
         }
 

-       unsigned int cols = GetOwner()->GetColumnCount();
-       unsigned int col;
-       int height = m_lineHeight;
-       for (col = 0; col < cols; col++)
-       {
+        unsigned int cols = GetOwner()->GetColumnCount();
+        unsigned int col;
+        int height = m_lineHeight;
+        for (col = 0; col < cols; col++)
+        {

             const wxDataViewColumn *column = GetOwner()->GetColumn(col);
             if (column->IsHidden())
                 continue;      // skip it!
 
             const wxDataViewColumn *column = GetOwner()->GetColumn(col);
             if (column->IsHidden())
                 continue;      // skip it!
 

-            if ((col != 0) && model->IsContainer(item) && !model->HasContainerColumns(item))
+            if ((col != 0) &&
+                model->IsContainer(item) &&
+                !model->HasContainerColumns(item))

                 continue;      // skip it!
 
                 continue;      // skip it!
 

-            const wxDataViewRenderer *renderer = column->GetRenderer();
-            wxVariant value;
-            model->GetValue( value, item, column->GetModelColumn() );
-            wxDataViewRenderer *renderer2 = const_cast<wxDataViewRenderer*>(renderer);
-            renderer2->SetValue( value );
+            wxDataViewRenderer *renderer =
+                const_cast<wxDataViewRenderer*>(column->GetRenderer());
+            renderer->PrepareForItem(model, item, column->GetModelColumn());
+

             height = wxMax( height, renderer->GetSize().y );
             height = wxMax( height, renderer->GetSize().y );

-       }
+        }

 
 

-       yy += height;
-       if (y < yy)
-           return row;
+        yy += height;
+        if (y < yy)
+            return row;

 
 

-       row++;
+        row++;

     }
 }
 
     }
 }
 


@@ -2956,7 +2701,7 @@ int wxDataViewMainWindow::GetLineHeight( unsigned int row ) const
         {
                 // Yes, if the node does not have any child, it must be a leaf which
                 // mean that it is a temporarily created by GetTreeNodeByRow
         {
                 // Yes, if the node does not have any child, it must be a leaf which
                 // mean that it is a temporarily created by GetTreeNodeByRow

-             wxDELETE(node);
+            wxDELETE(node);

         }
 
         int height = m_lineHeight;
         }
 
         int height = m_lineHeight;


@@ -2969,14 +2714,15 @@ int wxDataViewMainWindow::GetLineHeight( unsigned int row ) const
             if (column->IsHidden())
                 continue;      // skip it!
 
             if (column->IsHidden())
                 continue;      // skip it!
 

-            if ((col != 0) && model->IsContainer(item) && !model->HasContainerColumns(item))
+            if ((col != 0) &&
+                model->IsContainer(item) &&
+                !model->HasContainerColumns(item))

                 continue;      // skip it!
 
                 continue;      // skip it!
 

-            const wxDataViewRenderer *renderer = column->GetRenderer();
-            wxVariant value;
-            model->GetValue( value, item, column->GetModelColumn() );
-            wxDataViewRenderer *renderer2 = const_cast<wxDataViewRenderer*>(renderer);
-            renderer2->SetValue( value );
+            wxDataViewRenderer *renderer =
+                const_cast<wxDataViewRenderer*>(column->GetRenderer());
+            renderer->PrepareForItem(model, item, column->GetModelColumn());
+

             height = wxMax( height, renderer->GetSize().y );
         }
 
             height = wxMax( height, renderer->GetSize().y );
         }
 


@@ -2991,14 +2737,15 @@ int wxDataViewMainWindow::GetLineHeight( unsigned int row ) const
 class RowToItemJob: public DoJob
 {
 public:
 class RowToItemJob: public DoJob
 {
 public:

-    RowToItemJob( unsigned int row , int current ) { this->row = row; this->current = current;}
-    virtual ~RowToItemJob() { }
+    RowToItemJob( unsigned int row , int current )
+        { this->row = row; this->current = current; }
+    virtual ~RowToItemJob() {}

 
     virtual int operator() ( wxDataViewTreeNode * node )
     {
         current ++;
         if( current == static_cast<int>(row))
 
     virtual int operator() ( wxDataViewTreeNode * node )
     {
         current ++;
         if( current == static_cast<int>(row))

-         {
+        {

             ret = node->GetItem();
             return DoJob::OK;
         }
             ret = node->GetItem();
             return DoJob::OK;
         }


@@ -3010,12 +2757,14 @@ public:
         }
         else
         {
         }
         else
         {

-            //If the current has no child node, we can find the desired item of the row number directly.
-            //This if can speed up finding in some case, and will has a very good effect when it comes to list view
+            // If the current has no child node, we can find the desired item of the row
+            // number directly.
+            // This if can speed up finding in some case, and will has a very good effect
+            // when it comes to list view

             if( node->GetNodes().GetCount() == 0)
             {
                 int index = static_cast<int>(row) - current - 1;
             if( node->GetNodes().GetCount() == 0)
             {
                 int index = static_cast<int>(row) - current - 1;

-                ret = node->GetChildren().Item( index );
+                ret = wxDataViewItem(node->GetChildren().Item( index ));

                 return DoJob::OK;
             }
             return DoJob::CONT;
                 return DoJob::OK;
             }
             return DoJob::CONT;


@@ -3026,13 +2775,16 @@ public:
     {
         current ++;
         if( current == static_cast<int>(row))
     {
         current ++;
         if( current == static_cast<int>(row))

-         {
+        {

             ret = wxDataViewItem( n );
             return DoJob::OK;
         }
         return DoJob::CONT;
     }
             ret = wxDataViewItem( n );
             return DoJob::OK;
         }
         return DoJob::CONT;
     }

-    wxDataViewItem GetResult(){ return ret; }
+
+    wxDataViewItem GetResult() const
+        { return ret; }
+

 private:
     unsigned int row;
     int current;
 private:
     unsigned int row;
     int current;


@@ -3041,9 +2793,9 @@ private:
 
 wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
 {
 
 wxDataViewItem wxDataViewMainWindow::GetItemByRow(unsigned int row) const
 {

-    if (!m_root)
+    if (IsVirtualList())

     {
     {

-        return wxDataViewItem( wxUIntToPtr(row) );
+        return wxDataViewItem( wxUIntToPtr(row+1) );

     }
     else
     {
     }
     else
     {


@@ -3069,7 +2821,7 @@ public:
     {
         current ++;
         if( current == static_cast<int>(row))
     {
         current ++;
         if( current == static_cast<int>(row))

-         {
+        {

             ret = node;
             return DoJob::OK;
         }
             ret = node;
             return DoJob::OK;
         }


@@ -3082,8 +2834,11 @@ public:
         else
         {
             parent = node;
         else
         {
             parent = node;

-            //If the current has no child node, we can find the desired item of the row number directly.
-            //This if can speed up finding in some case, and will has a very good effect when it comes to list view
+
+            // If the current node has no children, we can find the desired item of the
+            // row number directly.
+            // This if can speed up finding in some case, and will have a very good
+            // effect for list views.

             if( node->GetNodes().GetCount() == 0)
             {
                 int index = static_cast<int>(row) - current - 1;
             if( node->GetNodes().GetCount() == 0)
             {
                 int index = static_cast<int>(row) - current - 1;


@@ -3095,15 +2850,13 @@ public:
             }
             return DoJob::CONT;
         }
             }
             return DoJob::CONT;
         }

-
-

     }
 
     virtual int operator() ( void * n )
     {
         current ++;
         if( current == static_cast<int>(row))
     }
 
     virtual int operator() ( void * n )
     {
         current ++;
         if( current == static_cast<int>(row))

-         {
+        {

             ret = new wxDataViewTreeNode( parent );
             ret->SetItem( wxDataViewItem( n ));
             ret->SetHasChildren(false);
             ret = new wxDataViewTreeNode( parent );
             ret->SetItem( wxDataViewItem( n ));
             ret->SetHasChildren(false);


@@ -3112,7 +2865,10 @@ public:
 
         return DoJob::CONT;
     }
 
         return DoJob::CONT;
     }

-    wxDataViewTreeNode * GetResult(){ return ret; }
+
+    wxDataViewTreeNode * GetResult() const
+        { return ret; }
+

 private:
     unsigned int row;
     int current;
 private:
     unsigned int row;
     int current;


@@ -3120,7 +2876,6 @@ private:
     wxDataViewTreeNode * parent;
 };
 
     wxDataViewTreeNode * parent;
 };
 

-

 wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row) const
 {
     wxASSERT( !IsVirtualList() );
 wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row) const
 {
     wxASSERT( !IsVirtualList() );


@@ -3130,7 +2885,8 @@ wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row) co
     return job.GetResult();
 }
 
     return job.GetResult();
 }
 

-wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type, const wxDataViewItem & item )
+wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type,
+                                                         const wxDataViewItem & item )

 {
     wxWindow *parent = GetParent();
     wxDataViewEvent le(type, parent->GetId());
 {
     wxWindow *parent = GetParent();
     wxDataViewEvent le(type, parent->GetId());


@@ -3143,109 +2899,196 @@ wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type, const
     return le;
 }
 
     return le;
 }
 

-void wxDataViewMainWindow::OnExpanding( unsigned int row )
+bool wxDataViewMainWindow::IsExpanded( unsigned int row ) const

 {
 {

-    if (IsVirtualList())
-       return;
+    if (IsList())
+        return false;
+
+    wxDataViewTreeNode * node = GetTreeNodeByRow(row);
+    if (!node)
+        return false;
+
+    if (!node->HasChildren())
+    {
+        delete node;
+        return false;
+    }
+
+    return node->IsOpen();
+}
+
+bool wxDataViewMainWindow::HasChildren( unsigned int row ) const
+{
+    if (IsList())
+        return false;

 
     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
 
     wxDataViewTreeNode * node = GetTreeNodeByRow(row);

-    if( node != NULL )
+    if (!node)
+        return false;
+
+    if (!node->HasChildren())

     {
     {

-        if( node->HasChildren())
-        {
-            if( !node->IsOpen())
+        delete node;
+        return false;
+    }
+
+    return true;
+}
+
+void wxDataViewMainWindow::Expand( unsigned int row )
+{
+    if (IsList())
+        return;
+
+    wxDataViewTreeNode * node = GetTreeNodeByRow(row);
+    if (!node)
+        return;
+
+    if (!node->HasChildren())
+    {
+        delete node;
+        return;
+    }
+
+            if (!node->IsOpen())

             {
             {

-               wxDataViewEvent e = SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING,node->GetItem());
-               //Check if the user prevent expanding
-               if( e.GetSkipped() )
+                wxDataViewEvent e =
+                    SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, node->GetItem());
+
+                // Check if the user prevent expanding
+                if( e.GetSkipped() )

                     return;
 
                     return;
 

-               node->ToggleOpen();
-               //Here I build the children of current node
-               if( node->GetChildrenNumber() == 0 )
-               {
-                   SortPrepare();
-                   ::BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node);
-               }
-               m_count = -1;
-               UpdateDisplay();
-               //Send the expanded event
-               SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
-            }
-            else
-            {
-                SelectRow( row, false );
-                SelectRow( row + 1, true );
-                ChangeCurrentRow( row + 1 );
-                SendSelectionChangedEvent( GetItemByRow(row+1));
+                node->ToggleOpen();
+
+                // build the children of current node
+                if( node->GetChildrenNumber() == 0 )
+                {
+                    SortPrepare();
+                    ::BuildTreeHelper(GetOwner()->GetModel(), node->GetItem(), node);
+                }
+
+                // By expanding the node all row indices that are currently in the selection list
+                // and are greater than our node have become invalid. So we have to correct that now.
+                const unsigned rowAdjustment = node->GetSubTreeCount();
+                for(unsigned i=0; i<m_selection.size(); ++i)
+                {
+                    const unsigned testRow = m_selection[i];
+                    // all rows above us are not affected, so skip them
+                    if(testRow <= row)
+                        continue;
+
+                    m_selection[i] += rowAdjustment;
+                }
+
+                if(m_currentRow > row)
+                    ChangeCurrentRow(m_currentRow + rowAdjustment);
+
+                m_count = -1;
+                UpdateDisplay();
+                // Send the expanded event
+                SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());

             }
             }

-        }
-        else
-            delete node;
-    }

 }
 
 }
 

-void wxDataViewMainWindow::OnCollapsing(unsigned int row)
+void wxDataViewMainWindow::Collapse(unsigned int row)

 {
 {

-    if (IsVirtualList())
-       return;
+    if (IsList())
+        return;

 
 

-    wxDataViewTreeNode * node = GetTreeNodeByRow(row);
-    if( node != NULL )
+    wxDataViewTreeNode *node = GetTreeNodeByRow(row);
+    if (!node)
+        return;
+
+    if (!node->HasChildren())

     {
     {

-        wxDataViewTreeNode * nd = node;
+        delete node;
+        return;
+    }

 
 

-        if( node->HasChildren() && node->IsOpen() )
+        if (node->IsOpen())

         {
         {

-            wxDataViewEvent e = SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem());
+            wxDataViewEvent e =
+                SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem());

             if( e.GetSkipped() )
                 return;
             if( e.GetSkipped() )
                 return;

+
+            // Find out if there are selected items below the current node.
+            bool selectCollapsingRow = false;
+            const unsigned rowAdjustment = node->GetSubTreeCount();
+            unsigned maxRowToBeTested = row + rowAdjustment;
+            for(unsigned i=0; i<m_selection.size(); ++i)
+            {
+                const unsigned testRow = m_selection[i];
+                if(testRow > row && testRow <= maxRowToBeTested)
+                {
+                    selectCollapsingRow = true;
+                    // get out as soon as we have found a node that is selected
+                    break;
+                }
+            }
+

             node->ToggleOpen();
             node->ToggleOpen();

-            m_count = -1;
-            UpdateDisplay();
-            SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,nd->GetItem());
-        }
-        else
-        {
-            node = node->GetParent();
-            if( node != NULL )
+
+            // If the node to be closed has selected items the user won't see those any longer.
+            // We select the collapsing node in this case.
+            if(selectCollapsingRow)
+            {
+                SelectAllRows(false);
+                ChangeCurrentRow(row);
+                SelectRow(row, true);
+                SendSelectionChangedEvent(GetItemByRow(row));
+            }
+            else

             {
             {

-                int  parent = GetRowByItem( node->GetItem() );
-                if( parent >= 0 )
+                // if there were no selected items below our node we still need to "fix" the
+                // selection list to adjust for the changing of the row indices.
+                // We actually do the opposite of what we are doing in Expand().
+                for(unsigned i=0; i<m_selection.size(); ++i)

                 {
                 {

-                    SelectRow( row, false);
-                    SelectRow(parent , true );
-                    ChangeCurrentRow( parent );
-                    SendSelectionChangedEvent( node->GetItem() );
+                    const unsigned testRow = m_selection[i];
+                    // all rows above us are not affected, so skip them
+                    if(testRow <= row)
+                        continue;
+
+                    m_selection[i] -= rowAdjustment;

                 }
                 }

+
+                // if the "current row" is being collapsed away we change it to the current row ;-)
+                if(m_currentRow > row && m_currentRow <= maxRowToBeTested)
+                    ChangeCurrentRow(row);
+                else if(m_currentRow > row)
+                    ChangeCurrentRow(m_currentRow - rowAdjustment);

             }
             }

+
+            m_count = -1;
+            UpdateDisplay();
+            SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,node->GetItem());

         }
         }

-        if( !nd->HasChildren())
-            delete nd;
-    }

 }
 
 wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
 {
 }
 
 wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item )
 {

-    wxDataViewModel * model = GetOwner()->GetModel();
+    const wxDataViewModel * model = GetOwner()->GetModel();

     if( model == NULL )
         return NULL;
 
     if( model == NULL )
         return NULL;
 

-    //Compose the a parent-chain of the finding item
-    ItemList list;
-    list.DeleteContents( true );
+    if (!item.IsOk())
+        return m_root;
+
+    // Compose the parent-chain for the item we are looking for
+    wxVector<wxDataViewItem> parentChain;

     wxDataViewItem it( item );
     while( it.IsOk() )
     {
     wxDataViewItem it( item );
     while( it.IsOk() )
     {

-        wxDataViewItem * pItem = new wxDataViewItem( it );
-        list.Insert( pItem );
-        it = model->GetParent( it );
+        parentChain.push_back(it);
+        it = model->GetParent(it);

     }
 
     }
 

-    //Find the item along the parent-chain.
-    //This algorithm is designed to speed up the node-finding method
-    wxDataViewTreeNode * node = m_root;
-    for( ItemList::const_iterator iter = list.begin(); iter !=list.end(); iter++ )
+    // Find the item along the parent-chain.
+    // This algorithm is designed to speed up the node-finding method
+    wxDataViewTreeNode* node = m_root;
+    for( unsigned iter = parentChain.size()-1; ; --iter )

     {
         if( node->HasChildren() )
         {
     {
         if( node->HasChildren() )
         {


@@ -3255,18 +3098,18 @@ wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item
                 ::BuildTreeHelper(model, node->GetItem(), node);
             }
 
                 ::BuildTreeHelper(model, node->GetItem(), node);
             }
 

-            wxDataViewTreeNodes nodes = node->GetNodes();
-            unsigned int i;
+            const wxDataViewTreeNodes& nodes = node->GetNodes();

             bool found = false;
 
             bool found = false;
 

-            for (i = 0; i < nodes.GetCount(); i ++)
+            for (unsigned i = 0; i < nodes.GetCount(); ++i)

             {
             {

-                if (nodes[i]->GetItem() == (**iter))
+                wxDataViewTreeNode* currentNode = nodes[i];
+                if (currentNode->GetItem() == parentChain[iter])

                 {
                 {

-                    if (nodes[i]->GetItem() == item)
-                       return nodes[i];
+                    if (currentNode->GetItem() == item)
+                        return currentNode;

 
 

-                    node = nodes[i];
+                    node = currentNode;

                     found = true;
                     break;
                 }
                     found = true;
                     break;
                 }


@@ -3276,11 +3119,15 @@ wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item
         }
         else
             return NULL;
         }
         else
             return NULL;

+
+        if ( !iter )
+            break;

     }
     return NULL;
 }
 
     }
     return NULL;
 }
 

-void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column )
+void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item,
+                                    wxDataViewColumn* &column )

 {
     wxDataViewColumn *col = NULL;
     unsigned int cols = GetOwner()->GetColumnCount();
 {
     wxDataViewColumn *col = NULL;
     unsigned int cols = GetOwner()->GetColumnCount();


@@ -3289,7 +3136,7 @@ void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item
     m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y );
     for (unsigned x_start = 0; colnum < cols; colnum++)
     {
     m_owner->CalcUnscrolledPosition( point.x, point.y, &x, &y );
     for (unsigned x_start = 0; colnum < cols; colnum++)
     {

-        col = GetOwner()->GetColumn(colnum);
+        col = GetOwner()->GetColumnAt(colnum);

         if (col->IsHidden())
             continue;      // skip it!
 
         if (col->IsHidden())
             continue;      // skip it!
 


@@ -3304,35 +3151,77 @@ void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item
     item = GetItemByRow( GetLineAt( y ) );
 }
 
     item = GetItemByRow( GetLineAt( y ) );
 }
 

-wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column )
+wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item,
+                                          const wxDataViewColumn* column )

 {
 {

+    int xpos = 0;
+    int width = 0;
+
+    unsigned int cols = GetOwner()->GetColumnCount();
+    // If column is null the loop will compute the combined width of all columns.
+    // Otherwise, it will compute the x position of the column we are looking for.
+    for (unsigned int i = 0; i < cols; i++)
+    {
+        wxDataViewColumn* col = GetOwner()->GetColumnAt( i );
+
+        if (col == column)
+            break;
+
+        if (col->IsHidden())
+            continue;      // skip it!
+
+        xpos += col->GetWidth();
+        width += col->GetWidth();
+    }
+
+    if(column != 0)
+    {
+        // If we have a column, we need can get its width directly.
+        if(column->IsHidden())
+            width = 0;
+        else
+            width = column->GetWidth();
+
+    }
+    else
+    {
+        // If we have no column, we reset the x position back to zero.
+        xpos = 0;
+    }
+
+    // we have to take an expander column into account and compute its indentation
+    // to get the correct x position where the actual text is
+    int indent = 0;

     int row = GetRowByItem(item);
     int row = GetRowByItem(item);

-    int y = GetLineStart( row );
-    int h = GetLineHeight( m_lineHeight );
-    int x = 0;
-    wxDataViewColumn *col = NULL;
-    for( int i = 0, cols = GetOwner()->GetColumnCount(); i < cols; i ++ )
+    if (!IsList() && (column == 0 || GetOwner()->GetExpanderColumn() == column) )

     {
     {

-       col = GetOwner()->GetColumn( i );
-       x += col->GetWidth();
-       if( GetOwner()->GetColumn(i+1) == column )
-           break;
+        wxDataViewTreeNode* node = GetTreeNodeByRow(row);
+        indent = GetOwner()->GetIndent() * node->GetIndentLevel();
+        indent = indent + m_lineHeight; // use m_lineHeight as the width of the expander
+
+        if(!node->HasChildren())
+            delete node;

     }
     }

-    int w = col->GetWidth();
-    m_owner->CalcScrolledPosition( x, y, &x, &y );
-    return wxRect(x, y, w, h);
+
+    wxRect itemRect( xpos + indent,
+                     GetLineStart( row ),
+                     width - indent,
+                     GetLineHeight( row ) );
+
+    GetOwner()->CalcScrolledPosition(  itemRect.x,  itemRect.y,
+                                      &itemRect.x, &itemRect.y );
+
+    return itemRect;

 }
 
 int wxDataViewMainWindow::RecalculateCount()
 {
 }
 
 int wxDataViewMainWindow::RecalculateCount()
 {

-    if (!m_root)
+    if (IsVirtualList())

     {
     {

-        wxDataViewIndexListModel *list_model = (wxDataViewIndexListModel*) GetOwner()->GetModel();
-#ifndef __WXMAC__
-        return list_model->GetLastIndex() + 1;
-#else
-        return list_model->GetLastIndex() - 1;
-#endif
+        wxDataViewVirtualListModel *list_model =
+            (wxDataViewVirtualListModel*) GetOwner()->GetModel();
+
+        return list_model->GetCount();

     }
     else
     {
     }
     else
     {


@@ -3343,32 +3232,32 @@ int wxDataViewMainWindow::RecalculateCount()
 class ItemToRowJob : public DoJob
 {
 public:
 class ItemToRowJob : public DoJob
 {
 public:

-    ItemToRowJob(const wxDataViewItem& item_, ItemList::const_iterator iter)
+    ItemToRowJob(const wxDataViewItem& item_, wxVector<wxDataViewItem>::reverse_iterator iter)

         : m_iter(iter),
         : m_iter(iter),

-          item(item_)
+        item(item_)

     {
         ret = -1;
     }
 
     {
         ret = -1;
     }
 

-    //Maybe binary search will help to speed up this process
+    // Maybe binary search will help to speed up this process

     virtual int operator() ( wxDataViewTreeNode * node)
     {
     virtual int operator() ( wxDataViewTreeNode * node)
     {

-         ret ++;
-         if( node->GetItem() == item )
-         {
-             return DoJob::OK;
-         }
+        ret ++;
+        if( node->GetItem() == item )
+        {
+            return DoJob::OK;
+        }

 
 

-         if( node->GetItem() == **m_iter )
-         {
-             m_iter++;
-             return DoJob::CONT;
-         }
-         else
-         {
-             ret += node->GetSubTreeCount();
-             return DoJob::IGR;
-         }
+        if( node->GetItem() == *m_iter )
+        {
+            m_iter++;
+            return DoJob::CONT;
+        }
+        else
+        {
+            ret += node->GetSubTreeCount();
+            return DoJob::IGR;
+        }

 
     }
 
 
     }
 


@@ -3379,11 +3268,13 @@ public:
             return DoJob::OK;
         return DoJob::CONT;
     }
             return DoJob::OK;
         return DoJob::CONT;
     }

-    //the row number is begin from zero
-    int GetResult() { return ret -1; }
+
+    // the row number is begin from zero
+    int GetResult() const
+        { return ret -1; }

 
 private:
 
 private:

-    ItemList::const_iterator  m_iter;
+    wxVector<wxDataViewItem>::reverse_iterator m_iter;

     wxDataViewItem item;
     int ret;
 
     wxDataViewItem item;
     int ret;
 


@@ -3395,42 +3286,44 @@ int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item) const
     if( model == NULL )
         return -1;
 
     if( model == NULL )
         return -1;
 

-    if (!m_root)
+    if (IsVirtualList())

     {
     {

-        return wxPtrToUInt( item.GetID() );
+        return wxPtrToUInt( item.GetID() ) -1;

     }
     else
     {
         if( !item.IsOk() )
             return -1;
 
     }
     else
     {
         if( !item.IsOk() )
             return -1;
 

-        //Compose the a parent-chain of the finding item
-        ItemList list;
-        wxDataViewItem * pItem;
-        list.DeleteContents( true );
+        // Compose the parent-chain of the item we are looking for
+        wxVector<wxDataViewItem> parentChain;

         wxDataViewItem it( item );
         while( it.IsOk() )
         {
         wxDataViewItem it( item );
         while( it.IsOk() )
         {

-            pItem = new wxDataViewItem( it );
-            list.Insert( pItem );
-            it = model->GetParent( it );
+            parentChain.push_back(it);
+            it = model->GetParent(it);

         }
         }

-        pItem = new wxDataViewItem( );
-        list.Insert( pItem );

 
 

-        ItemToRowJob job( item, list.begin() );
-        Walker(m_root , job );
+        // add an 'invalid' item to represent our 'invisible' root node
+        parentChain.push_back(wxDataViewItem());
+
+        // the parent chain was created by adding the deepest parent first.
+        // so if we want to start at the root node, we have to iterate backwards through the vector
+        ItemToRowJob job( item, parentChain.rbegin() );
+        Walker( m_root, job );

         return job.GetResult();
     }
 }
 
         return job.GetResult();
     }
 }
 

-static void BuildTreeHelper( wxDataViewModel * model,  wxDataViewItem & item, wxDataViewTreeNode * node)
+static void BuildTreeHelper( const wxDataViewModel * model,  const wxDataViewItem & item,
+                             wxDataViewTreeNode * node)

 {
     if( !model->IsContainer( item ) )
         return;
 
     wxDataViewItemArray children;
     unsigned int num = model->GetChildren( item, children);
 {
     if( !model->IsContainer( item ) )
         return;
 
     wxDataViewItemArray children;
     unsigned int num = model->GetChildren( item, children);

+

     unsigned int index = 0;
     while( index < num )
     {
     unsigned int index = 0;
     while( index < num )
     {


@@ -3467,7 +3360,7 @@ void wxDataViewMainWindow::BuildTree(wxDataViewModel * model)
     m_root = new wxDataViewTreeNode( NULL );
     m_root->SetHasChildren(true);
 
     m_root = new wxDataViewTreeNode( NULL );
     m_root->SetHasChildren(true);
 

-    //First we define a invalid item to fetch the top-level elements
+    // First we define a invalid item to fetch the top-level elements

     wxDataViewItem item;
     SortPrepare();
     BuildTreeHelper( model, item, m_root);
     wxDataViewItem item;
     SortPrepare();
     BuildTreeHelper( model, item, m_root);


@@ -3479,12 +3372,9 @@ static void DestroyTreeHelper( wxDataViewTreeNode * node )
     if( node->GetNodeNumber() != 0 )
     {
         int len = node->GetNodeNumber();
     if( node->GetNodeNumber() != 0 )
     {
         int len = node->GetNodeNumber();

-        int i = 0;

         wxDataViewTreeNodes& nodes = node->GetNodes();
         wxDataViewTreeNodes& nodes = node->GetNodes();

-        for(; i < len; i ++ )
-        {
+        for (int i = 0; i < len; i++)

             DestroyTreeHelper(nodes[i]);
             DestroyTreeHelper(nodes[i]);

-        }

     }
     delete node;
 }
     }
     delete node;
 }


@@ -3493,15 +3383,23 @@ void wxDataViewMainWindow::DestroyTree()
 {
     if (!IsVirtualList())
     {
 {
     if (!IsVirtualList())
     {

-       ::DestroyTreeHelper(m_root);
-        m_count = 0;
-        m_root = NULL;
+        ::DestroyTreeHelper(m_root);
+            m_count = 0;
+            m_root = NULL;

     }
 }
 
 void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
 {
     }
 }
 
 void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
 {

-    if ( GetParent()->HandleAsNavigationKey(event) )
+    wxWindow * const parent = GetParent();
+
+    // propagate the char event upwards
+    wxKeyEvent eventForParent(event);
+    eventForParent.SetEventObject(parent);
+    if ( parent->ProcessWindowEvent(eventForParent) )
+        return;
+
+    if ( parent->HandleAsNavigationKey(event) )

         return;
 
     // no item -> nothing to do
         return;
 
     // no item -> nothing to do


@@ -3513,16 +3411,14 @@ void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
 
     // don't use m_linesPerPage directly as it might not be computed yet
     const int pageSize = GetCountPerPage();
 
     // don't use m_linesPerPage directly as it might not be computed yet
     const int pageSize = GetCountPerPage();

-    wxCHECK_RET( pageSize, _T("should have non zero page size") );
+    wxCHECK_RET( pageSize, wxT("should have non zero page size") );

 
     switch ( event.GetKeyCode() )
     {
         case WXK_RETURN:
 
     switch ( event.GetKeyCode() )
     {
         case WXK_RETURN:

-        {
-            if (m_currentRow > 0)

             {
             {

-                wxWindow *parent = GetParent();
-                wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
+                wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED,
+                                   parent->GetId());

                 le.SetItem( GetItemByRow(m_currentRow) );
                 le.SetEventObject(parent);
                 le.SetModel(GetOwner()->GetModel());
                 le.SetItem( GetItemByRow(m_currentRow) );
                 le.SetEventObject(parent);
                 le.SetModel(GetOwner()->GetModel());


@@ -3530,28 +3426,74 @@ void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
                 parent->GetEventHandler()->ProcessEvent(le);
             }
             break;
                 parent->GetEventHandler()->ProcessEvent(le);
             }
             break;

-        }
+

         case WXK_UP:
             if ( m_currentRow > 0 )
                 OnArrowChar( m_currentRow - 1, event );
             break;
 
         case WXK_DOWN:
         case WXK_UP:
             if ( m_currentRow > 0 )
                 OnArrowChar( m_currentRow - 1, event );
             break;
 
         case WXK_DOWN:

-            if ( m_currentRow < GetRowCount() - 1 )
+            if ( m_currentRow + 1 < GetRowCount() )

                 OnArrowChar( m_currentRow + 1, event );
             break;
                 OnArrowChar( m_currentRow + 1, event );
             break;

-        //Add the process for tree expanding/collapsing
-        case WXK_LEFT:
-         OnCollapsing(m_currentRow);
-         break;
-     case WXK_RIGHT:
-         OnExpanding( m_currentRow);
-         break;
+        // Add the process for tree expanding/collapsing
+        case WXK_LEFT:
+        {
+            if (IsList())
+               break;
+
+            wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow);
+            if (!node)
+                break;
+
+            if (node->HasChildren() && node->IsOpen())
+            {
+                Collapse(m_currentRow);
+            }
+            else    // if the node is already closed we move the selection to its parent
+            {
+                wxDataViewTreeNode *parent_node = node->GetParent();
+
+                if(!node->HasChildren())
+                    delete node;
+
+                if (parent_node)
+                {
+                    int parent = GetRowByItem( parent_node->GetItem() );
+                    if ( parent >= 0 )
+                    {
+                        unsigned int row = m_currentRow;
+                        SelectRow( row, false);
+                        SelectRow( parent, true );
+                        ChangeCurrentRow( parent );
+                        GetOwner()->EnsureVisible( parent, -1 );
+                        SendSelectionChangedEvent( parent_node->GetItem() );
+                    }
+                }
+            }
+            break;
+        }
+        case WXK_RIGHT:
+        {
+            if (!IsExpanded( m_currentRow ))
+                Expand( m_currentRow );
+            else
+            {
+                unsigned int row = m_currentRow;
+                SelectRow( row, false );
+                SelectRow( row + 1, true );
+                ChangeCurrentRow( row + 1 );
+                GetOwner()->EnsureVisible( row + 1, -1 );
+                SendSelectionChangedEvent( GetItemByRow(row+1) );
+            }
+            break;
+        }

         case WXK_END:
         case WXK_END:

+        {

             if (!IsEmpty())
                 OnArrowChar( GetRowCount() - 1, event );
             break;
             if (!IsEmpty())
                 OnArrowChar( GetRowCount() - 1, event );
             break;

-
+        }

         case WXK_HOME:
             if (!IsEmpty())
                 OnArrowChar( 0, event );
         case WXK_HOME:
             if (!IsEmpty())
                 OnArrowChar( 0, event );


@@ -3580,6 +3522,16 @@ void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
             }
             break;
 
             }
             break;
 

+        case WXK_F2:
+            {
+                if(m_selection.size() == 1)
+                {
+                    // TODO: we need to revise that when we have a concept for a 'current column'
+                    GetOwner()->StartEditor(GetItemByRow(m_selection[0]), 0);
+                }
+            }
+            break;
+

         default:
             event.Skip();
     }
         default:
             event.Skip();
     }


@@ -3594,6 +3546,10 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
         return;
     }
 
         return;
     }
 

+    // set the focus to ourself if any of the mouse buttons are pressed
+    if(event.ButtonDown() && !HasFocus())
+        SetFocus();
+

     int x = event.GetX();
     int y = event.GetY();
     m_owner->CalcUnscrolledPosition( x, y, &x, &y );
     int x = event.GetX();
     int y = event.GetY();
     m_owner->CalcUnscrolledPosition( x, y, &x, &y );


@@ -3604,7 +3560,7 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
     unsigned int i;
     for (i = 0; i < cols; i++)
     {
     unsigned int i;
     for (i = 0; i < cols; i++)
     {

-        wxDataViewColumn *c = GetOwner()->GetColumn( i );
+        wxDataViewColumn *c = GetOwner()->GetColumnAt( i );

         if (c->IsHidden())
             continue;      // skip it!
 
         if (c->IsHidden())
             continue;      // skip it!
 


@@ -3616,41 +3572,47 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
         xpos += c->GetWidth();
     }
     if (!col)
         xpos += c->GetWidth();
     }
     if (!col)

+    {
+        event.Skip();

         return;
         return;

+    }

 
     wxDataViewRenderer *cell = col->GetRenderer();
     unsigned int current = GetLineAt( y );
 
     wxDataViewRenderer *cell = col->GetRenderer();
     unsigned int current = GetLineAt( y );

-    if ((current > GetRowCount()) || (x > GetEndOfLastCol()))
+    if ((current >= GetRowCount()) || (x > GetEndOfLastCol()))

     {
         // Unselect all if below the last row ?
     {
         // Unselect all if below the last row ?

+        event.Skip();

         return;
     }
 
         return;
     }
 

-    //Test whether the mouse is hovered on the tree item button
-    bool hover = false;
-    if ((!IsVirtualList()) && (GetOwner()->GetExpanderColumn() == col))
+    // Test whether the mouse is hovered on the tree item button
+    bool hoverOverExpander = false;
+    if ((!IsList()) && (GetOwner()->GetExpanderColumn() == col))

     {
         wxDataViewTreeNode * node = GetTreeNodeByRow(current);
         if( node!=NULL && node->HasChildren() )
         {
             int indent = node->GetIndentLevel();
             indent = GetOwner()->GetIndent()*indent;
     {
         wxDataViewTreeNode * node = GetTreeNodeByRow(current);
         if( node!=NULL && node->HasChildren() )
         {
             int indent = node->GetIndentLevel();
             indent = GetOwner()->GetIndent()*indent;

-            wxRect rect( xpos + indent + EXPANDER_MARGIN,
-                         GetLineStart( current ) + EXPANDER_MARGIN + (GetLineHeight(current)/2) - (m_lineHeight/2) - EXPANDER_OFFSET,
-                         m_lineHeight-2*EXPANDER_MARGIN,
-                         m_lineHeight-2*EXPANDER_MARGIN + EXPANDER_OFFSET);
-            if( rect.Contains( x, y) )
+
+            // we make the rectangle we are looking in a bit bigger than the actual
+            // visual expander so the user can hit that little thing reliably
+            wxRect rect( xpos + indent,
+                        GetLineStart( current ) + (GetLineHeight(current) - m_lineHeight)/2,
+                        m_lineHeight, m_lineHeight);
+            if( rect.Contains(x, y) )

             {
             {

-                //So the mouse is over the expander
-                hover = true;
+                // So the mouse is over the expander
+                hoverOverExpander = true;

                 if (m_underMouse && m_underMouse != node)
                 {
                 if (m_underMouse && m_underMouse != node)
                 {

-                    //wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
+                    // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));

                     RefreshRow(GetRowByItem(m_underMouse->GetItem()));
                 }
                 if (m_underMouse != node)
                 {
                     RefreshRow(GetRowByItem(m_underMouse->GetItem()));
                 }
                 if (m_underMouse != node)
                 {

-                    //wxLogMessage("Do the row: %d", current);
+                    // wxLogMessage("Do the row: %d", current);

                     RefreshRow(current);
                 }
                 m_underMouse = node;
                     RefreshRow(current);
                 }
                 m_underMouse = node;


@@ -3659,11 +3621,11 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
         if (node!=NULL && !node->HasChildren())
             delete node;
     }
         if (node!=NULL && !node->HasChildren())
             delete node;
     }

-    if (!hover)
+    if (!hoverOverExpander)

     {
         if (m_underMouse != NULL)
         {
     {
         if (m_underMouse != NULL)
         {

-            //wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
+            // wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));

             RefreshRow(GetRowByItem(m_underMouse->GetItem()));
             m_underMouse = NULL;
         }
             RefreshRow(GetRowByItem(m_underMouse->GetItem()));
             m_underMouse = NULL;
         }


@@ -3671,6 +3633,7 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
 
     wxDataViewModel *model = GetOwner()->GetModel();
 
 
     wxDataViewModel *model = GetOwner()->GetModel();
 

+#if wxUSE_DRAG_AND_DROP

     if (event.Dragging())
     {
         if (m_dragCount == 0)
     if (event.Dragging())
     {
         if (m_dragCount == 0)


@@ -3688,7 +3651,30 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
 
         if (event.LeftIsDown())
         {
 
         if (event.LeftIsDown())
         {

+            m_owner->CalcUnscrolledPosition( m_dragStart.x, m_dragStart.y,
+                                             &m_dragStart.x, &m_dragStart.y );
+            unsigned int drag_item_row = GetLineAt( m_dragStart.y );
+            wxDataViewItem item = GetItemByRow( drag_item_row );
+

             // Notify cell about drag
             // Notify cell about drag

+            wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() );
+            event.SetEventObject( m_owner );
+            event.SetItem( item );
+            event.SetModel( model );
+            if (!m_owner->HandleWindowEvent( event ))
+                return;
+
+            if (!event.IsAllowed())
+                return;
+
+            wxDataObject *obj = event.GetDataObject();
+            if (!obj)
+                return;
+
+            wxDataViewDropSource drag( this, drag_item_row );
+            drag.SetData( *obj );
+            /* wxDragResult res = */ drag.DoDragDrop();
+            delete obj;

         }
         return;
     }
         }
         return;
     }


@@ -3696,8 +3682,9 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
     {
         m_dragCount = 0;
     }
     {
         m_dragCount = 0;
     }

+#endif // wxUSE_DRAG_AND_DROP

 
 

-    bool forceClick = false;
+    bool simulateClick = false;

 
     if (event.ButtonDClick())
     {
 
     if (event.ButtonDClick())
     {


@@ -3708,28 +3695,35 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
     wxDataViewItem item = GetItemByRow(current);
     bool ignore_other_columns =
         ((GetOwner()->GetExpanderColumn() != col) &&
     wxDataViewItem item = GetItemByRow(current);
     bool ignore_other_columns =
         ((GetOwner()->GetExpanderColumn() != col) &&

-         (model->IsContainer(item)) &&
-         (!model->HasContainerColumns(item)));
+        (model->IsContainer(item)) &&
+        (!model->HasContainerColumns(item)));

 
     if (event.LeftDClick())
     {
 
     if (event.LeftDClick())
     {

-        if ( current == m_lineLastClicked )
+        if(hoverOverExpander)
+        {
+            // a double click on the expander will be converted into a "simulated" normal click
+            simulateClick = true;
+        }
+        else if ( current == m_lineLastClicked )

         {
             if ((!ignore_other_columns) && (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE))
             {
         {
             if ((!ignore_other_columns) && (cell->GetMode() == wxDATAVIEW_CELL_ACTIVATABLE))
             {

-                wxVariant value;
-                model->GetValue( value, item, col->GetModelColumn() );
-                cell->SetValue( value );
-                wxRect cell_rect( xpos, GetLineStart( current ),
-                                  col->GetWidth(), GetLineHeight( current ) );
-                cell->Activate( cell_rect, model, item, col->GetModelColumn() );
+                const unsigned colIdx = col->GetModelColumn();

 
 

+                cell->PrepareForItem(model, item, colIdx);
+
+                wxRect cell_rect( xpos, GetLineStart( current ),
+                                col->GetWidth(), GetLineHeight( current ) );
+                cell->WXOnActivate( cell_rect, model, item, colIdx );

             }
             else
             {
                 wxWindow *parent = GetParent();
                 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
                 le.SetItem( item );
             }
             else
             {
                 wxWindow *parent = GetParent();
                 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
                 le.SetItem( item );

+                le.SetColumn( col->GetModelColumn() );
+                le.SetDataViewColumn( col );

                 le.SetEventObject(parent);
                 le.SetModel(GetOwner()->GetModel());
 
                 le.SetEventObject(parent);
                 le.SetModel(GetOwner()->GetModel());
 


@@ -3741,47 +3735,23 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
         {
             // The first click was on another item, so don't interpret this as
             // a double click, but as a simple click instead
         {
             // The first click was on another item, so don't interpret this as
             // a double click, but as a simple click instead

-            forceClick = true;
+            simulateClick = true;

         }
     }
 
         }
     }
 

-    if (event.LeftUp())
+    if (event.LeftUp() && !hoverOverExpander)

     {
         if (m_lineSelectSingleOnUp != (unsigned int)-1)
         {
             // select single line
             SelectAllRows( false );
             SelectRow( m_lineSelectSingleOnUp, true );
     {
         if (m_lineSelectSingleOnUp != (unsigned int)-1)
         {
             // select single line
             SelectAllRows( false );
             SelectRow( m_lineSelectSingleOnUp, true );

+            SendSelectionChangedEvent( GetItemByRow(m_lineSelectSingleOnUp) );

         }
 
         }
 

-        //Process the event of user clicking the expander
-        bool expander = false;
-        if ((!IsVirtualList()) && (GetOwner()->GetExpanderColumn() == col))
-        {
-            wxDataViewTreeNode * node = GetTreeNodeByRow(current);
-            if( node!=NULL && node->HasChildren() )
-            {
-                int indent = node->GetIndentLevel();
-                indent = GetOwner()->GetIndent()*indent;
-                wxRect rect( xpos + indent + EXPANDER_MARGIN,
-                         GetLineStart( current ) + EXPANDER_MARGIN + (GetLineHeight(current)/2) - (m_lineHeight/2) - EXPANDER_OFFSET,
-                         m_lineHeight-2*EXPANDER_MARGIN,
-                         m_lineHeight-2*EXPANDER_MARGIN + EXPANDER_OFFSET);
-
-                if( rect.Contains( x, y) )
-                {
-                    expander = true;
-                    if( node->IsOpen() )
-                        OnCollapsing(current);
-                    else
-                        OnExpanding( current );
-                }
-            }
-            if (node && !node->HasChildren())
-               delete node;
-        }
-        //If the user click the expander, we do not do editing even if the column with expander are editable
-        if (m_lastOnSame && !expander && !ignore_other_columns)
+        // If the user click the expander, we do not do editing even if the column
+        // with expander are editable
+        if (m_lastOnSame && !ignore_other_columns)

         {
             if ((col == m_currentCol) && (current == m_currentRow) &&
                 (cell->GetMode() & wxDATAVIEW_CELL_EDITABLE) )
         {
             if ((col == m_currentCol) && (current == m_currentRow) &&
                 (cell->GetMode() & wxDATAVIEW_CELL_EDITABLE) )


@@ -3793,7 +3763,7 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
         m_lastOnSame = false;
         m_lineSelectSingleOnUp = (unsigned int)-1;
     }
         m_lastOnSame = false;
         m_lineSelectSingleOnUp = (unsigned int)-1;
     }

-    else
+    else if(!event.LeftUp())

     {
         // This is necessary, because after a DnD operation in
         // from and to ourself, the up event is swallowed by the
     {
         // This is necessary, because after a DnD operation in
         // from and to ourself, the up event is swallowed by the


@@ -3812,16 +3782,22 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
         if (!IsRowSelected(current))
         {
             SelectAllRows(false);
         if (!IsRowSelected(current))
         {
             SelectAllRows(false);

+            const unsigned oldCurrent = m_currentRow;

             ChangeCurrentRow(current);
             SelectRow(m_currentRow,true);
             ChangeCurrentRow(current);
             SelectRow(m_currentRow,true);

+            RefreshRow(oldCurrent);

             SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
         }
             SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
         }

-
+    }
+    else if (event.RightUp())
+    {

         wxVariant value;
         model->GetValue( value, item, col->GetModelColumn() );
         wxWindow *parent = GetParent();
         wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, parent->GetId());
         le.SetItem( item );
         wxVariant value;
         model->GetValue( value, item, col->GetModelColumn() );
         wxWindow *parent = GetParent();
         wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, parent->GetId());
         le.SetItem( item );

+        le.SetColumn( col->GetModelColumn() );
+        le.SetDataViewColumn( col );

         le.SetEventObject(parent);
         le.SetModel(GetOwner()->GetModel());
         le.SetValue(value);
         le.SetEventObject(parent);
         le.SetModel(GetOwner()->GetModel());
         le.SetValue(value);


@@ -3830,10 +3806,21 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
     else if (event.MiddleDown())
     {
     }
     else if (event.MiddleDown())
     {
     }

-    if (event.LeftDown() || forceClick)
+
+    if((event.LeftDown() || simulateClick) && hoverOverExpander)

     {
     {

-        SetFocus();
+        wxDataViewTreeNode* node = GetTreeNodeByRow(current);

 
 

+        // hoverOverExpander being true tells us that our node must be
+        // valid and have children.
+        // So we don't need any extra checks.
+        if( node->IsOpen() )
+            Collapse(current);
+        else
+            Expand(current);
+    }
+    else if ((event.LeftDown() || simulateClick) && !hoverOverExpander)
+    {

         m_lineBeforeLastClicked = m_lineLastClicked;
         m_lineLastClicked = current;
 
         m_lineBeforeLastClicked = m_lineLastClicked;
         m_lineLastClicked = current;
 


@@ -3862,14 +3849,14 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
             {
                 ChangeCurrentRow(current);
                 ReverseRowSelection(m_currentRow);
             {
                 ChangeCurrentRow(current);
                 ReverseRowSelection(m_currentRow);

-                SendSelectionChangedEvent(GetItemByRow(m_selection[0]) );
+                SendSelectionChangedEvent(GetItemByRow(m_currentRow));

             }
             else if (event.ShiftDown())
             {
                 ChangeCurrentRow(current);
 
                 unsigned int lineFrom = oldCurrentRow,
             }
             else if (event.ShiftDown())
             {
                 ChangeCurrentRow(current);
 
                 unsigned int lineFrom = oldCurrentRow,

-                       lineTo = current;
+                    lineTo = current;

 
                 if ( lineTo < lineFrom )
                 {
 
                 if ( lineTo < lineFrom )
                 {


@@ -3883,7 +3870,7 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
             else // !ctrl, !shift
             {
                 // test in the enclosing if should make it impossible
             else // !ctrl, !shift
             {
                 // test in the enclosing if should make it impossible

-                wxFAIL_MSG( _T("how did we get here?") );
+                wxFAIL_MSG( wxT("how did we get here?") );

             }
         }
 
             }
         }
 


@@ -3895,19 +3882,56 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
         // Update selection here...
         m_currentCol = col;
 
         // Update selection here...
         m_currentCol = col;
 

-        m_lastOnSame = !forceClick && ((col == oldCurrentCol) &&
+        m_lastOnSame = !simulateClick && ((col == oldCurrentCol) &&

                         (current == oldCurrentRow)) && oldWasSelected;
 
         // Call LeftClick after everything else as under GTK+
         if (cell->GetMode() & wxDATAVIEW_CELL_ACTIVATABLE)
         {
                         (current == oldCurrentRow)) && oldWasSelected;
 
         // Call LeftClick after everything else as under GTK+
         if (cell->GetMode() & wxDATAVIEW_CELL_ACTIVATABLE)
         {

-            // notify cell about right click
-            wxVariant value;
-            model->GetValue( value, item, col->GetModelColumn() );
-            cell->SetValue( value );
+            // notify cell about click
+            cell->PrepareForItem(model, item, col->GetModelColumn());
+

             wxRect cell_rect( xpos, GetLineStart( current ),
             wxRect cell_rect( xpos, GetLineStart( current ),

-                          col->GetWidth(), GetLineHeight( current ) );
-            /* ignore ret */ cell->LeftClick( event.GetPosition(), cell_rect, model, item, col->GetModelColumn());
+                              col->GetWidth(), GetLineHeight( current ) );
+
+            // Report position relative to the cell's custom area, i.e.
+            // no the entire space as given by the control but the one
+            // used by the renderer after calculation of alignment etc.
+
+            // adjust the rectangle ourselves to account for the alignment
+            wxRect rectItem = cell_rect;
+            const int align = cell->GetAlignment();
+            if ( align != wxDVR_DEFAULT_ALIGNMENT )
+            {
+                const wxSize size = cell->GetSize();
+
+                if ( size.x >= 0 && size.x < cell_rect.width )
+                {
+                    if ( align & wxALIGN_CENTER_HORIZONTAL )
+                        rectItem.x += (cell_rect.width - size.x)/2;
+                    else if ( align & wxALIGN_RIGHT )
+                        rectItem.x += cell_rect.width - size.x;
+                    // else: wxALIGN_LEFT is the default
+                }
+
+                if ( size.y >= 0 && size.y < cell_rect.height )
+                {
+                    if ( align & wxALIGN_CENTER_VERTICAL )
+                        rectItem.y += (cell_rect.height - size.y)/2;
+                    else if ( align & wxALIGN_BOTTOM )
+                        rectItem.y += cell_rect.height - size.y;
+                    // else: wxALIGN_TOP is the default
+                }
+            }
+
+            wxPoint pos( event.GetPosition() );
+            pos.x -= rectItem.x;
+            pos.y -= rectItem.y;
+
+            m_owner->CalcUnscrolledPosition( pos.x, pos.y, &pos.x, &pos.y );
+
+             /* ignore ret */ cell->WXOnLeftClick( pos, cell_rect,
+                              model, item, col->GetModelColumn());

         }
     }
 }
         }
     }
 }


@@ -3943,10 +3967,10 @@ wxDataViewItem wxDataViewMainWindow::GetSelection() const
 //-----------------------------------------------------------------------------
 // wxDataViewCtrl
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // wxDataViewCtrl
 //-----------------------------------------------------------------------------

+

 WX_DEFINE_LIST(wxDataViewColumnList)
 
 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
 WX_DEFINE_LIST(wxDataViewColumnList)
 
 IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)

-

 BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
     EVT_SIZE(wxDataViewCtrl::OnSize)
 END_EVENT_TABLE()
 BEGIN_EVENT_TABLE(wxDataViewCtrl, wxDataViewCtrlBase)
     EVT_SIZE(wxDataViewCtrl::OnSize)
 END_EVENT_TABLE()


@@ -3957,6 +3981,7 @@ wxDataViewCtrl::~wxDataViewCtrl()
         GetModel()->RemoveNotifier( m_notifier );
 
     m_cols.Clear();
         GetModel()->RemoveNotifier( m_notifier );
 
     m_cols.Clear();

+    m_colsBestWidths.clear();

 }
 
 void wxDataViewCtrl::Init()
 }
 
 void wxDataViewCtrl::Init()


@@ -3965,21 +3990,26 @@ void wxDataViewCtrl::Init()
     m_notifier = NULL;
 
     // No sorting column at start
     m_notifier = NULL;
 
     // No sorting column at start

-    m_sortingColumn = NULL;
+    m_sortingColumnIdx = wxNOT_FOUND;
+

     m_headerArea = NULL;
 }
 
     m_headerArea = NULL;
 }
 

-bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
-           const wxPoint& pos, const wxSize& size,
-           long style, const wxValidator& validator )
+bool wxDataViewCtrl::Create(wxWindow *parent,
+                            wxWindowID id,
+                            const wxPoint& pos,
+                            const wxSize& size,
+                            long style,
+                            const wxValidator& validator,
+                            const wxString& name)

 {
 {

-    if ( (style & wxBORDER_MASK) == 0)
-        style |= wxBORDER_SUNKEN;
+//    if ( (style & wxBORDER_MASK) == 0)
+//        style |= wxBORDER_SUNKEN;

 
     Init();
 
     if (!wxControl::Create( parent, id, pos, size,
 
     Init();
 
     if (!wxControl::Create( parent, id, pos, size,

-                            style | wxScrolledWindowStyle, validator))
+                            style | wxScrolledWindowStyle, validator, name))

         return false;
 
     SetInitialSize(size);
         return false;
 
     SetInitialSize(size);


@@ -3990,6 +4020,11 @@ bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
 
     m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
 
 
     m_clientArea = new wxDataViewMainWindow( this, wxID_ANY );
 

+    // We use the cursor keys for moving the selection, not scrolling, so call
+    // this method to ensure wxScrollHelperEvtHandler doesn't catch all
+    // keyboard events forwarded to us from wxListMainWindow.
+    DisableKeyboardScrolling();
+

     if (HasFlag(wxDV_NO_HEADER))
         m_headerArea = NULL;
     else
     if (HasFlag(wxDV_NO_HEADER))
         m_headerArea = NULL;
     else


@@ -4006,10 +4041,15 @@ bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
     return true;
 }
 
     return true;
 }
 

+wxBorder wxDataViewCtrl::GetDefaultBorder() const
+{
+    return wxBORDER_THEME;
+}
+

 #ifdef __WXMSW__
 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
 #ifdef __WXMSW__
 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,

-                                       WXWPARAM wParam,
-                                       WXLPARAM lParam)
+                                        WXWPARAM wParam,
+                                        WXLPARAM lParam)

 {
     WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
 
 {
     WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
 


@@ -4029,7 +4069,7 @@ wxSize wxDataViewCtrl::GetSizeAvailableForScrollTarget(const wxSize& size)
 {
     wxSize newsize = size;
     if (!HasFlag(wxDV_NO_HEADER) && (m_headerArea))
 {
     wxSize newsize = size;
     if (!HasFlag(wxDV_NO_HEADER) && (m_headerArea))

-       newsize.y -= m_headerArea->GetSize().y;
+    newsize.y -= m_headerArea->GetSize().y;

 
     return newsize;
 }
 
     return newsize;
 }


@@ -4046,6 +4086,16 @@ void wxDataViewCtrl::OnSize( wxSizeEvent &WXUNUSED(event) )
     Layout();
 
     AdjustScrollbars();
     Layout();
 
     AdjustScrollbars();

+
+    // We must redraw the headers if their height changed. Normally this
+    // shouldn't happen as the control shouldn't let itself be resized beneath
+    // its minimal height but avoid the display artefacts that appear if it
+    // does happen, e.g. because there is really not enough vertical space.
+    if ( !HasFlag(wxDV_NO_HEADER) && m_headerArea &&
+            m_headerArea->GetSize().y <= m_headerArea->GetBestSize(). y )
+    {
+        m_headerArea->Refresh();
+    }

 }
 
 void wxDataViewCtrl::SetFocus()
 }
 
 void wxDataViewCtrl::SetFocus()


@@ -4072,13 +4122,28 @@ bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
     return true;
 }
 
     return true;
 }
 

+#if wxUSE_DRAG_AND_DROP
+
+bool wxDataViewCtrl::EnableDragSource( const wxDataFormat &format )
+{
+    return m_clientArea->EnableDragSource( format );
+}
+
+bool wxDataViewCtrl::EnableDropTarget( const wxDataFormat &format )
+{
+    return m_clientArea->EnableDropTarget( format );
+}
+
+#endif // wxUSE_DRAG_AND_DROP
+

 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
 {
     if (!wxDataViewCtrlBase::AppendColumn(col))
         return false;
 
     m_cols.Append( col );
 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
 {
     if (!wxDataViewCtrlBase::AppendColumn(col))
         return false;
 
     m_cols.Append( col );

-    OnColumnChange();
+    m_colsBestWidths.push_back(0);
+    OnColumnsCountChanged();

     return true;
 }
 
     return true;
 }
 


@@ -4088,7 +4153,8 @@ bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
         return false;
 
     m_cols.Insert( col );
         return false;
 
     m_cols.Insert( col );

-    OnColumnChange();
+    m_colsBestWidths.insert(m_colsBestWidths.begin(), 0);
+    OnColumnsCountChanged();

     return true;
 }
 
     return true;
 }
 


@@ -4098,14 +4164,23 @@ bool wxDataViewCtrl::InsertColumn( unsigned int pos, wxDataViewColumn *col )
         return false;
 
     m_cols.Insert( pos, col );
         return false;
 
     m_cols.Insert( pos, col );

-    OnColumnChange();
+    m_colsBestWidths.insert(m_colsBestWidths.begin() + pos, 0);
+    OnColumnsCountChanged();

     return true;
 }
 
     return true;
 }
 

-void wxDataViewCtrl::OnColumnChange()
+void wxDataViewCtrl::OnColumnChange(unsigned int idx)
+{
+    if ( m_headerArea )
+        m_headerArea->UpdateColumn(idx);
+
+    m_clientArea->UpdateDisplay();
+}
+
+void wxDataViewCtrl::OnColumnsCountChanged()

 {
     if (m_headerArea)
 {
     if (m_headerArea)

-        m_headerArea->UpdateDisplay();
+        m_headerArea->SetColumnCount(GetColumnCount());

 
     m_clientArea->UpdateDisplay();
 }
 
     m_clientArea->UpdateDisplay();
 }


@@ -4125,32 +4200,184 @@ unsigned int wxDataViewCtrl::GetColumnCount() const
     return m_cols.GetCount();
 }
 
     return m_cols.GetCount();
 }
 

-wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int pos ) const
+bool wxDataViewCtrl::SetRowHeight( int lineHeight )

 {
 {

-    wxDataViewColumnList::const_iterator iter;
-    unsigned int i = 0;
-    for (iter = m_cols.begin(); iter!=m_cols.end(); iter++)
-    {
-        if (i == pos)
-            return *iter;
+    if ( !m_clientArea )
+        return false;

 
 

-        if ((*iter)->IsHidden())
-            continue;
-        i ++;
+    m_clientArea->SetRowHeight(lineHeight);
+
+    return true;
+}
+
+wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int idx ) const
+{
+    return m_cols[idx];
+}
+
+wxDataViewColumn *wxDataViewCtrl::GetColumnAt(unsigned int pos) const
+{
+    // columns can't be reordered if there is no header window which allows
+    // to do this
+    const unsigned idx = m_headerArea ? m_headerArea->GetColumnsOrder()[pos]
+                                    : pos;
+
+    return GetColumn(idx);
+}
+
+int wxDataViewCtrl::GetColumnIndex(const wxDataViewColumn *column) const
+{
+    const unsigned count = m_cols.size();
+    for ( unsigned n = 0; n < count; n++ )
+    {
+        if ( m_cols[n] == column )
+            return n;

     }
     }

-    return NULL;
+
+    return wxNOT_FOUND;

 }
 
 }
 

-void wxDataViewCtrl::ColumnMoved( wxDataViewColumn* col, unsigned int new_pos )
+unsigned int wxDataViewCtrl::GetBestColumnWidth(int idx) const

 {
 {

-    if (new_pos > m_cols.GetCount()) return;
+    if ( m_colsBestWidths[idx] != 0 )
+        return m_colsBestWidths[idx];

 
 

-    // Exchange position
-    m_cols.DeleteContents(false);
-    m_cols.DeleteObject( col );
-    m_cols.Insert( new_pos, col );
-    m_cols.DeleteContents(true);
+    const int count = m_clientArea->GetRowCount();
+    wxDataViewColumn *column = GetColumn(idx);
+    wxDataViewRenderer *renderer =
+        const_cast<wxDataViewRenderer*>(column->GetRenderer());
+
+    class MaxWidthCalculator
+    {
+    public:
+        MaxWidthCalculator(wxDataViewMainWindow *clientArea,
+                           wxDataViewRenderer *renderer,
+                           const wxDataViewModel *model,
+                           unsigned column)
+            : m_width(0),
+              m_clientArea(clientArea),
+              m_renderer(renderer),
+              m_model(model),
+              m_column(column)
+        {
+        }
+
+        void UpdateWithWidth(int width)
+        {
+            m_width = wxMax(m_width, width);
+        }
+
+        void UpdateWithRow(int row)
+        {
+            wxDataViewItem item = m_clientArea->GetItemByRow(row);
+            m_renderer->PrepareForItem(m_model, item, m_column);
+            m_width = wxMax(m_width, m_renderer->GetSize().x);
+        }
+
+        int GetMaxWidth() const { return m_width; }
+
+    private:
+        int m_width;
+        wxDataViewMainWindow *m_clientArea;
+        wxDataViewRenderer *m_renderer;
+        const wxDataViewModel *m_model;
+        unsigned m_column;
+    };
+
+    MaxWidthCalculator calculator(m_clientArea, renderer,
+                                  GetModel(), column->GetModelColumn());
+
+    if ( m_headerArea )
+    {
+        int header_width = m_headerArea->GetTextExtent(column->GetTitle()).x;
+        // Labels on native MSW header are indented on both sides
+        header_width +=
+            wxRendererNative::Get().GetHeaderButtonMargin(m_headerArea);
+        calculator.UpdateWithWidth(header_width);
+    }
+
+    // The code below deserves some explanation. For very large controls, we
+    // simply can't afford to calculate sizes for all items, it takes too
+    // long. So the best we can do is to check the first and the last N/2
+    // items in the control for some sufficiently large N and calculate best
+    // sizes from that. That can result in the calculated best width being too
+    // small for some outliers, but it's better to get slightly imperfect
+    // result than to wait several seconds after every update. To avoid highly
+    // visible miscalculations, we also include all currently visible items
+    // no matter what.  Finally, the value of N is determined dynamically by
+    // measuring how much time we spent on the determining item widths so far.
+
+#if wxUSE_STOPWATCH
+    int top_part_end = count;
+    static const long CALC_TIMEOUT = 20/*ms*/;
+    // don't call wxStopWatch::Time() too often
+    static const unsigned CALC_CHECK_FREQ = 100;
+    wxStopWatch timer;
+#else
+    // use some hard-coded limit, that's the best we can do without timer
+    int top_part_end = wxMin(500, count);
+#endif // wxUSE_STOPWATCH/!wxUSE_STOPWATCH

 
 

+    int row = 0;
+
+    for ( row = 0; row < top_part_end; row++ )
+    {
+#if wxUSE_STOPWATCH
+        if ( row % CALC_CHECK_FREQ == CALC_CHECK_FREQ-1 &&
+             timer.Time() > CALC_TIMEOUT )
+            break;
+#endif // wxUSE_STOPWATCH
+        calculator.UpdateWithRow(row);
+    }
+
+    // row is the first unmeasured item now; that's our value of N/2
+
+    if ( row < count )
+    {
+        top_part_end = row;
+
+        // add bottom N/2 items now:
+        const int bottom_part_start = wxMax(row, count - row);
+        for ( row = bottom_part_start; row < count; row++ )
+        {
+            calculator.UpdateWithRow(row);
+        }
+
+        // finally, include currently visible items in the calculation:
+        const wxPoint origin = CalcUnscrolledPosition(wxPoint(0, 0));
+        int first_visible = m_clientArea->GetLineAt(origin.y);
+        int last_visible = m_clientArea->GetLineAt(origin.y + GetClientSize().y);
+
+        first_visible = wxMax(first_visible, top_part_end);
+        last_visible = wxMin(bottom_part_start, last_visible);
+
+        for ( row = first_visible; row < last_visible; row++ )
+        {
+            calculator.UpdateWithRow(row);
+        }
+
+        wxLogTrace("dataview",
+                   "determined best size from %d top, %d bottom plus %d more visible items out of %d total",
+                   top_part_end,
+                   count - bottom_part_start,
+                   wxMax(0, last_visible - first_visible),
+                   count);
+    }
+
+    int max_width = calculator.GetMaxWidth();
+    if ( max_width > 0 )
+        max_width += 2 * PADDING_RIGHTLEFT;
+
+    const_cast<wxDataViewCtrl*>(this)->m_colsBestWidths[idx] = max_width;
+    return max_width;
+}
+
+void wxDataViewCtrl::ColumnMoved(wxDataViewColumn * WXUNUSED(col),
+                                unsigned int WXUNUSED(new_pos))
+{
+    // do _not_ reorder m_cols elements here, they should always be in the
+    // order in which columns were added, we only display the columns in
+    // different order

     m_clientArea->UpdateDisplay();
 }
 
     m_clientArea->UpdateDisplay();
 }
 


@@ -4160,8 +4387,9 @@ bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
     if (!ret)
         return false;
 
     if (!ret)
         return false;
 

+    m_colsBestWidths.erase(m_colsBestWidths.begin() + GetColumnIndex(column));

     m_cols.Erase(ret);
     m_cols.Erase(ret);

-    OnColumnChange();
+    OnColumnsCountChanged();

 
     return true;
 }
 
     return true;
 }


@@ -4169,35 +4397,90 @@ bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
 bool wxDataViewCtrl::ClearColumns()
 {
     m_cols.Clear();
 bool wxDataViewCtrl::ClearColumns()
 {
     m_cols.Clear();

-    OnColumnChange();
+    m_colsBestWidths.clear();
+    OnColumnsCountChanged();

     return true;
 }
 
     return true;
 }
 

+void wxDataViewCtrl::InvalidateColBestWidth(int idx)
+{
+    m_colsBestWidths[idx] = 0;
+
+    if ( m_headerArea )
+        m_headerArea->UpdateColumn(idx);
+}
+
+void wxDataViewCtrl::InvalidateColBestWidths()
+{
+    m_colsBestWidths.clear();
+    m_colsBestWidths.resize(m_cols.size());
+
+    if ( m_headerArea )
+    {
+        const unsigned cols = m_headerArea->GetColumnCount();
+        for ( unsigned i = 0; i < cols; i++ )
+            m_headerArea->UpdateColumn(i);
+    }
+}
+

 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
 {
 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
 {

-    int ret = 0, dead = 0;
-    int len = GetColumnCount();
-    for (int i=0; i<len; i++)
+#if 1
+    unsigned int len = GetColumnCount();
+    for ( unsigned int i = 0; i < len; i++ )

     {
     {

-        wxDataViewColumn * col = GetColumn(i);
+        wxDataViewColumn * col = GetColumnAt(i);
+        if (column==col)
+            return i;
+    }
+
+    return wxNOT_FOUND;
+#else
+    // This returns the position in pixels which is not what we want.
+    int ret = 0,
+        dummy = 0;
+    unsigned int len = GetColumnCount();
+    for ( unsigned int i = 0; i < len; i++ )
+    {
+        wxDataViewColumn * col = GetColumnAt(i);

         if (col->IsHidden())
             continue;
         ret += col->GetWidth();
         if (column==col)
         {
         if (col->IsHidden())
             continue;
         ret += col->GetWidth();
         if (column==col)
         {

-            CalcScrolledPosition( ret, dead, &ret, &dead );
+            CalcScrolledPosition( ret, dummy, &ret, &dummy );

             break;
         }
     }
     return ret;
             break;
         }
     }
     return ret;

+#endif

 }
 
 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
 {
 }
 
 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
 {

-    return NULL;
+    return m_sortingColumnIdx == wxNOT_FOUND ? NULL
+                                            : GetColumn(m_sortingColumnIdx);
+}
+
+wxDataViewItem wxDataViewCtrl::DoGetCurrentItem() const
+{
+    return GetItemByRow(m_clientArea->GetCurrentRow());
+}
+
+void wxDataViewCtrl::DoSetCurrentItem(const wxDataViewItem& item)
+{
+    const int row = m_clientArea->GetRowByItem(item);
+
+    const unsigned oldCurrent = m_clientArea->GetCurrentRow();
+    if ( static_cast<unsigned>(row) != oldCurrent )
+    {
+        m_clientArea->ChangeCurrentRow(row);
+        m_clientArea->RefreshRow(oldCurrent);
+        m_clientArea->RefreshRow(row);
+    }

 }
 
 }
 

-//Selection code with wxDataViewItem as parameters
+// Selection code with wxDataViewItem as parameters

 wxDataViewItem wxDataViewCtrl::GetSelection() const
 {
     return m_clientArea->GetSelection();
 wxDataViewItem wxDataViewCtrl::GetSelection() const
 {
     return m_clientArea->GetSelection();


@@ -4207,37 +4490,65 @@ int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
 {
     sel.Empty();
     wxDataViewSelection selection = m_clientArea->GetSelections();
 {
     sel.Empty();
     wxDataViewSelection selection = m_clientArea->GetSelections();

-    int len = selection.GetCount();
-    for( int i = 0; i < len; i ++)
+
+    const size_t len = selection.size();
+    for ( size_t i = 0; i < len; i++ )

     {
     {

-        unsigned int row = selection[i];
-        sel.Add( m_clientArea->GetItemByRow( row ) );
+        wxDataViewItem item = m_clientArea->GetItemByRow(selection[i]);
+        if ( item.IsOk() )
+        {
+            sel.Add(item);
+        }
+        else
+        {
+            wxFAIL_MSG( "invalid item in selection - bad internal state" );
+        }

     }
     }

-    return len;
+
+    return sel.size();

 }
 
 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
 {
     wxDataViewSelection selection(wxDataViewSelectionCmp);
 }
 
 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
 {
     wxDataViewSelection selection(wxDataViewSelectionCmp);

+
+    wxDataViewItem last_parent;
+

     int len = sel.GetCount();
     for( int i = 0; i < len; i ++ )
     {
     int len = sel.GetCount();
     for( int i = 0; i < len; i ++ )
     {

-        int row = m_clientArea->GetRowByItem( sel[i] );
+        wxDataViewItem item = sel[i];
+        wxDataViewItem parent = GetModel()->GetParent( item );
+        if (parent)
+        {
+            if (parent != last_parent)
+                ExpandAncestors(item);
+        }
+
+        last_parent = parent;
+        int row = m_clientArea->GetRowByItem( item );

         if( row >= 0 )
             selection.Add( static_cast<unsigned int>(row) );
     }
         if( row >= 0 )
             selection.Add( static_cast<unsigned int>(row) );
     }

+

     m_clientArea->SetSelections( selection );
 }
 
 void wxDataViewCtrl::Select( const wxDataViewItem & item )
 {
     m_clientArea->SetSelections( selection );
 }
 
 void wxDataViewCtrl::Select( const wxDataViewItem & item )
 {

+    ExpandAncestors( item );
+

     int row = m_clientArea->GetRowByItem( item );
     if( row >= 0 )
     {
     int row = m_clientArea->GetRowByItem( item );
     if( row >= 0 )
     {

-        //Unselect all rows before select another in the single select mode
+        // Unselect all rows before select another in the single select mode

         if (m_clientArea->IsSingleSel())
             m_clientArea->SelectAllRows(false);
         if (m_clientArea->IsSingleSel())
             m_clientArea->SelectAllRows(false);

+

         m_clientArea->SelectRow(row, true);
         m_clientArea->SelectRow(row, true);

+
+        // Also set focus to the selected item
+        m_clientArea->ChangeCurrentRow( row );

     }
 }
 
     }
 }
 


@@ -4258,73 +4569,6 @@ bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
     return false;
 }
 
     return false;
 }
 

-//Selection code with row number as parameter
-int wxDataViewCtrl::GetSelections( wxArrayInt & sel ) const
-{
-    sel.Empty();
-    wxDataViewSelection selection = m_clientArea->GetSelections();
-    int len = selection.GetCount();
-    for( int i = 0; i < len; i ++)
-    {
-        unsigned int row = selection[i];
-        sel.Add( row );
-    }
-    return len;
-}
-
-void wxDataViewCtrl::SetSelections( const wxArrayInt & sel )
-{
-    wxDataViewSelection selection(wxDataViewSelectionCmp);
-    int len = sel.GetCount();
-    for( int i = 0; i < len; i ++ )
-    {
-        int row = sel[i];
-        if( row >= 0 )
-            selection.Add( static_cast<unsigned int>(row) );
-    }
-    m_clientArea->SetSelections( selection );
-}
-
-void wxDataViewCtrl::Select( int row )
-{
-    if( row >= 0 )
-    {
-        if (m_clientArea->IsSingleSel())
-            m_clientArea->SelectAllRows(false);
-        m_clientArea->SelectRow( row, true );
-    }
-}
-
-void wxDataViewCtrl::Unselect( int row )
-{
-    if( row >= 0 )
-        m_clientArea->SelectRow(row, false);
-}
-
-bool wxDataViewCtrl::IsSelected( int row ) const
-{
-    if( row >= 0 )
-        return m_clientArea->IsRowSelected(row);
-    return false;
-}
-
-void wxDataViewCtrl::SelectRange( int from, int to )
-{
-    wxArrayInt sel;
-    for( int i = from; i < to; i ++ )
-        sel.Add( i );
-    m_clientArea->Select(sel);
-}
-
-void wxDataViewCtrl::UnselectRange( int from, int to )
-{
-    wxDataViewSelection sel = m_clientArea->GetSelections();
-    for( int i = from; i < to; i ++ )
-        if( sel.Index( i ) != wxNOT_FOUND )
-            sel.Remove( i );
-    m_clientArea->SetSelections(sel);
-}
-

 void wxDataViewCtrl::SelectAll()
 {
     m_clientArea->SelectAllRows(true);
 void wxDataViewCtrl::SelectAll()
 {
     m_clientArea->SelectAllRows(true);


@@ -4354,33 +4598,29 @@ void wxDataViewCtrl::EnsureVisible( int row, int column )
 
 void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
 {
 
 void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
 {

+    ExpandAncestors( item );
+
+    m_clientArea->RecalculateDisplay();
+

     int row = m_clientArea->GetRowByItem(item);
     if( row >= 0 )
     {
         if( column == NULL )
             EnsureVisible(row, -1);
         else
     int row = m_clientArea->GetRowByItem(item);
     if( row >= 0 )
     {
         if( column == NULL )
             EnsureVisible(row, -1);
         else

-        {
-            int col = 0;
-            int len = GetColumnCount();
-            for( int i = 0; i < len; i ++ )
-                if( GetColumn(i) == column )
-                {
-                    col = i;
-                    break;
-                }
-            EnsureVisible( row, col );
-        }
+            EnsureVisible( row, GetColumnIndex(column) );

     }
 
 }
 
     }
 
 }
 

-void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column ) const
+void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item,
+                              wxDataViewColumn* &column ) const

 {
     m_clientArea->HitTest(point, item, column);
 }
 
 {
     m_clientArea->HitTest(point, item, column);
 }
 

-wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column ) const
+wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item,
+                                    const wxDataViewColumn* column ) const

 {
     return m_clientArea->GetItemRect(item, column);
 }
 {
     return m_clientArea->GetItemRect(item, column);
 }


@@ -4397,6 +4637,8 @@ int wxDataViewCtrl::GetRowByItem( const wxDataViewItem & item ) const
 
 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
 {
 
 void wxDataViewCtrl::Expand( const wxDataViewItem & item )
 {

+    ExpandAncestors( item );
+

     int row = m_clientArea->GetRowByItem( item );
     if (row != -1)
         m_clientArea->Expand(row);
     int row = m_clientArea->GetRowByItem( item );
     if (row != -1)
         m_clientArea->Expand(row);


@@ -4409,8 +4651,26 @@ void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
         m_clientArea->Collapse(row);
 }
 
         m_clientArea->Collapse(row);
 }
 

- #endif
-    // !wxUSE_GENERICDATAVIEWCTRL
+bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
+{
+    int row = m_clientArea->GetRowByItem( item );
+    if (row != -1)
+        return m_clientArea->IsExpanded(row);
+    return false;
+}
+
+void wxDataViewCtrl::StartEditor( const wxDataViewItem & item, unsigned int column )
+{
+    wxDataViewColumn* col = GetColumn( column );
+    if (!col)
+        return;
+
+    wxRect itemRect = GetItemRect(item, col);
+    wxDataViewRenderer* renderer = col->GetRenderer();
+    if (renderer->GetMode() == wxDATAVIEW_CELL_EDITABLE)
+        renderer->StartEditing(item, itemRect);
+}
+
+#endif // !wxUSE_GENERICDATAVIEWCTRL

 
 

-#endif
-    // wxUSE_DATAVIEWCTRL
+#endif // wxUSE_DATAVIEWCTRL