Implement icon text column using native GTK renderers in wxDVC.

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

diff --git a/src/generic/datavgen.cpp b/src/generic/datavgen.cpp
index 8be7c4781d300338d9126337dbbe3979d1d7ed8e..bdeadffd368cf888284931def78b3056723feea9 100644 (file)
--- a/src/generic/datavgen.cpp
+++ b/src/generic/datavgen.cpp
@@ -70,7 +70,7 @@ static const int EXPANDER_OFFSET = 1;
 #endif
 
 // Below is the compare stuff.
 #endif
 
 // Below is the compare stuff.

-// For the generic implementation, both the leaf nodes and the nodes are sorted for 
+// 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;
 // fast search when needed
 static wxDataViewModel* g_model;
 static int g_column = -2;


@@ -99,6 +99,7 @@ protected:
         return *(GetOwner()->GetColumn(idx));
     }
 
         return *(GetOwner()->GetColumn(idx));
     }
 

+    // FIXME: currently unused

     virtual bool UpdateColumnWidthToFit(unsigned int idx, int widthTitle)
     {
         wxDataViewCtrl * const owner = GetOwner();
     virtual bool UpdateColumnWidthToFit(unsigned int idx, int widthTitle)
     {
         wxDataViewCtrl * const owner = GetOwner();


@@ -229,7 +230,7 @@ class wxDataViewTreeNode;
 WX_DEFINE_ARRAY( wxDataViewTreeNode *, wxDataViewTreeNodes );
 WX_DEFINE_ARRAY( void* , wxDataViewTreeLeaves);
 
 WX_DEFINE_ARRAY( wxDataViewTreeNode *, wxDataViewTreeNodes );
 WX_DEFINE_ARRAY( void* , wxDataViewTreeLeaves);
 

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

                                            wxDataViewTreeNode ** node2);
 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2);
 
                                            wxDataViewTreeNode ** node2);
 int LINKAGEMODE wxGenericTreeModelItemCmp( void ** id1, void ** id2);
 


@@ -350,7 +351,7 @@ private:
     int                  m_subTreeCount;
 };
 
     int                  m_subTreeCount;
 };
 

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

                                            wxDataViewTreeNode ** node2)
 {
     return g_model->Compare( (*node1)->GetItem(), (*node2)->GetItem(), g_column, g_asending );
                                            wxDataViewTreeNode ** node2)
 {
     return g_model->Compare( (*node1)->GetItem(), (*node2)->GetItem(), g_column, g_asending );


@@ -450,15 +451,15 @@ public:
     int GetEndOfLastCol() const;
     unsigned int GetFirstVisibleRow() 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 
+    // 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; }
     // expanding/collapsing of the tree nodes
     unsigned int GetLastVisibleRow();
     unsigned int GetRowCount();
 
     wxDataViewItem GetSelection() const;
     wxDataViewSelection GetSelections(){ return m_selection; }

-    void SetSelections( const wxDataViewSelection & sel ) 
+    void SetSelections( const wxDataViewSelection & sel )

         { m_selection = sel; UpdateDisplay(); }
     void Select( const wxArrayInt& aSelections );
     void SelectAllRows( bool on );
         { m_selection = sel; UpdateDisplay(); }
     void Select( const wxArrayInt& aSelections );
     void SelectAllRows( bool on );


@@ -494,9 +495,10 @@ public:
     void HitTest( const wxPoint & point, wxDataViewItem & item, wxDataViewColumn* &column );
     wxRect GetItemRect( const wxDataViewItem & item, const wxDataViewColumn* column );
 
     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 IsExpanded( unsigned int row ) const;

+    bool HasChildren( unsigned int row ) const;

 
 #if wxUSE_DRAG_AND_DROP
     bool EnableDragSource( const wxDataFormat &format );
 
 #if wxUSE_DRAG_AND_DROP
     bool EnableDragSource( const wxDataFormat &format );


@@ -517,8 +519,6 @@ private:
     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 );
 


@@ -612,8 +612,6 @@ wxDataViewRenderer::wxDataViewRenderer( const wxString &varianttype,
     m_dc = NULL;
     m_align = align;
     m_mode = mode;
     m_dc = NULL;
     m_align = align;
     m_mode = mode;

-    m_wantsAttr = false;
-    m_hasAttr = false;

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


@@ -622,6 +620,54 @@ wxDataViewRenderer::~wxDataViewRenderer()
         delete m_dc;
 }
 
         delete m_dc;
 }
 

+bool
+wxDataViewRenderer::RenderWithAttr(wxDC& dc,
+                                   const wxRect& cell_rect,
+                                   int align,
+                                   const wxDataViewItemAttr *WXUNUSED(attr),
+                                   int state)
+{
+    // adjust the rectangle ourselves to account for the alignment
+
+    wxRect item_rect = cell_rect;
+    if ( align )
+    {
+        const wxSize size = GetSize();
+
+        // take alignment into account only if there is enough space, otherwise
+        // show as much contents as possible
+        //
+        // notice that many existing renderers (e.g. wxDataViewSpinRenderer)
+        // return hard-coded size which can be more than they need and if we
+        // trusted their GetSize() we'd draw the text out of cell bounds
+        // entirely
+
+        if ( size.x < cell_rect.width )
+        {
+            if (align & wxALIGN_CENTER_HORIZONTAL)
+                item_rect.x += (cell_rect.width - size.x)/2;
+            else if (align & wxALIGN_RIGHT)
+                item_rect.x += cell_rect.width - size.x;
+            // else: wxALIGN_LEFT is the default
+
+            item_rect.width = size.x;
+        }
+
+        if ( size.y < cell_rect.height )
+        {
+            if (align & wxALIGN_CENTER_VERTICAL)
+                item_rect.y += (cell_rect.height - size.y)/2;
+            else if (align & wxALIGN_BOTTOM)
+                item_rect.y += cell_rect.height - size.y;
+            // else: wxALIGN_TOP is the default
+
+            item_rect.height = size.y;
+        }
+    }
+
+    return Render(item_rect, &dc, state);
+}
+

 wxDC *wxDataViewRenderer::GetDC()
 {
     if (m_dc == NULL)
 wxDC *wxDataViewRenderer::GetDC()
 {
     if (m_dc == NULL)


@@ -671,17 +717,42 @@ wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
 {
 }
 
 {
 }
 

-void wxDataViewCustomRenderer::RenderText( const wxString &text, int xoffset, 
-                                           wxRect cell, wxDC *dc, int state )
+void
+wxDataViewCustomRenderer::RenderText(wxDC& dc,
+                                     const wxRect& rect,
+                                     int align,
+                                     const wxString& text,
+                                     const wxDataViewItemAttr *attr,
+                                     int state,
+                                     int xoffset)

 {
 {

-    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));
+    wxColour col;
+    if ( attr && attr->HasColour() )
+        col = attr->GetColour();
+    else if ( state & wxDATAVIEW_CELL_SELECTED )
+        col = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
+    else // use default foreground
+        col = GetOwner()->GetOwner()->GetForegroundColour();
+
+    wxDCTextColourChanger changeFg(dc, col);
+
+    wxDCFontChanger changeFont(dc);
+    if ( attr && attr->HasFont() )
+    {
+        wxFont font(dc.GetFont());
+        if ( attr->GetBold() )
+            font.MakeBold();
+        if ( attr->GetItalic() )
+            font.MakeItalic();
+
+        changeFont.Set(font);
+    }
+
+    wxRect rectText = rect;
+    rectText.x += xoffset;
+    rectText.width -= xoffset;
+
+    dc.DrawLabel(text, rectText, align);

 }
 
 // ---------------------------------------------------------
 }
 
 // ---------------------------------------------------------


@@ -716,9 +787,15 @@ bool wxDataViewTextRenderer::HasEditorCtrl() const
 wxControl* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent,
         wxRect labelRect, const wxVariant &value )
 {
 wxControl* wxDataViewTextRenderer::CreateEditorCtrl( wxWindow *parent,
         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( wxControl *editor, wxVariant &value )


@@ -728,9 +805,14 @@ bool wxDataViewTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVarian
     return true;
 }
 
     return true;
 }
 

-bool wxDataViewTextRenderer::Render( wxRect cell, wxDC *dc, int state )
+bool
+wxDataViewTextRenderer::RenderWithAttr(wxDC& dc,
+                                       const wxRect& rect,
+                                       int align,
+                                       const wxDataViewItemAttr *attr,
+                                       int state)

 {
 {

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

     return true;
 }
 
     return true;
 }
 


@@ -738,68 +820,10 @@ wxSize wxDataViewTextRenderer::GetSize() const
 {
     const wxDataViewCtrl *view = GetView();
     if (!m_text.empty())
 {
     const wxDataViewCtrl *view = GetView();
     if (!m_text.empty())

-    {
-        int x,y;
-        view->GetTextExtent( m_text, &x, &y );
-        return wxSize( x, y );
-    }
-    return wxSize(80,20);
+        return view->wxWindowBase::GetTextExtent( m_text );
+    return wxSize(wxDVC_DEFAULT_RENDERER_SIZE,wxDVC_DEFAULT_RENDERER_SIZE);

 }
 
 }
 

-// ---------------------------------------------------------
-// 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;
-}
-
-

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


@@ -844,7 +868,7 @@ wxSize wxDataViewBitmapRenderer::GetSize() const
     else if (m_icon.Ok())
         return wxSize( m_icon.GetWidth(), m_icon.GetHeight() );
 
     else if (m_icon.Ok())
         return wxSize( m_icon.GetWidth(), m_icon.GetHeight() );
 

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

 }
 
 // ---------------------------------------------------------
 }
 
 // ---------------------------------------------------------


@@ -921,10 +945,6 @@ wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
     m_value = 0;
 }
 
     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;


@@ -941,18 +961,24 @@ bool wxDataViewProgressRenderer::GetValue( wxVariant &value ) const
     return true;
 }
 
     return true;
 }
 

-bool wxDataViewProgressRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state) )
+bool wxDataViewProgressRenderer::RenderWithAttr(wxDC& dc,
+                                                const wxRect& rect,
+                                                int WXUNUSED(align),
+                                                const wxDataViewItemAttr *attr,
+                                                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 );
+    // deflat 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->DrawRectangle( cell );
+    dc.SetBrush( *wxTRANSPARENT_BRUSH );
+    dc.SetPen( *wxBLACK_PEN );
+    dc.DrawRectangle( bar );
+
+    bar.width = (int)(bar.width * m_value / 100.);
+    dc.SetPen( *wxTRANSPARENT_PEN );
+    dc.SetBrush( attr && attr->HasColour() ? wxBrush(attr->GetColour())
+                                           : *wxBLUE_BRUSH );
+    dc.DrawRectangle( bar );

 
     return true;
 }
 
     return true;
 }


@@ -1089,10 +1115,6 @@ const wxString &varianttype, wxDataViewCellMode mode, int align ) :
     SetAlignment(align);
 }
 
     SetAlignment(align);
 }
 

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

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


@@ -1104,17 +1126,23 @@ bool wxDataViewIconTextRenderer::GetValue( wxVariant& WXUNUSED(value) ) const
     return false;
 }
 
     return false;
 }
 

-bool wxDataViewIconTextRenderer::Render( wxRect cell, wxDC *dc, int state )
+bool
+wxDataViewIconTextRenderer::RenderWithAttr(wxDC& dc,
+                                           const wxRect& rect,
+                                           int align,
+                                           const wxDataViewItemAttr *attr,
+                                           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(dc, rect, align, m_value.GetText(), attr, state, xoffset);

 
     return true;
 }
 
     return true;
 }


@@ -1134,19 +1162,39 @@ wxSize wxDataViewIconTextRenderer::GetSize() const
     return wxSize(80,20);
 }
 
     return wxSize(80,20);
 }
 

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

 {
 {

-    return NULL;
+    wxDataViewIconText iconText;
+    iconText << value;
+
+    wxString text = iconText.GetText();
+
+    // 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;
+    }
+
+    wxTextCtrl* ctrl = new wxTextCtrl( parent, wxID_ANY, text,
+                                       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
-wxDataViewIconTextRenderer::GetValueFromEditorCtrl(wxControl* WXUNUSED(editor),
-                                                wxVariant& WXUNUSED(value))
+bool wxDataViewIconTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant& value )

 {
 {

-    return false;
+    wxTextCtrl *text = (wxTextCtrl*) editor;
+
+    wxDataViewIconText iconText(text->GetValue(), m_value.GetIcon());
+    value << iconText;
+    return true;

 }
 
 //-----------------------------------------------------------------------------
 }
 
 //-----------------------------------------------------------------------------


@@ -1242,30 +1290,30 @@ public:
     }
 
     virtual wxDragResult OnDragOver( wxCoord x, wxCoord y, wxDragResult def )
     }
 
     virtual wxDragResult OnDragOver( wxCoord x, wxCoord y, wxDragResult def )

-        {
+    {

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

-        }
+    }

 
     virtual bool OnDrop( wxCoord x, wxCoord y )
 
     virtual bool OnDrop( wxCoord x, wxCoord y )

-        {
+    {

         wxDataFormat format = GetMatchingPair();
         if (format == wxDF_INVALID)
             return false;
         return m_win->OnDrop( format, x, y );
         wxDataFormat format = GetMatchingPair();
         if (format == wxDF_INVALID)
             return false;
         return m_win->OnDrop( format, x, y );

-        }
+    }

 
     virtual wxDragResult OnData( wxCoord x, wxCoord y, wxDragResult def )
 
     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 );
         wxDataFormat format = GetMatchingPair();
         if (format == wxDF_INVALID)
             return wxDragNone;
         if (!GetData())
             return wxDragNone;
         return m_win->OnData( format, x, y, def );

-        }
+    }

 
     virtual void OnLeave()
         { m_win->OnLeave(); }
 
     virtual void OnLeave()
         { m_win->OnLeave(); }


@@ -1294,7 +1342,7 @@ void wxDataViewRenameTimer::Notify()
 //-----------------------------------------------------------------------------
 
 // The tree building helper, declared firstly
 //-----------------------------------------------------------------------------
 
 // The tree building helper, declared firstly

-static void BuildTreeHelper( wxDataViewModel * model,  wxDataViewItem & item, 
+static void BuildTreeHelper( wxDataViewModel * model,  wxDataViewItem & item,

                              wxDataViewTreeNode * node);
 
 int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )
                              wxDataViewTreeNode * node);
 
 int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )


@@ -1304,7 +1352,6 @@ int LINKAGEMODE wxDataViewSelectionCmp( unsigned int row1, unsigned int row2 )
     return -1;
 }
 
     return -1;
 }
 

-

 IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
 
 BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)
 IMPLEMENT_ABSTRACT_CLASS(wxDataViewMainWindow, wxWindow)
 
 BEGIN_EVENT_TABLE(wxDataViewMainWindow,wxWindow)


@@ -1404,7 +1451,7 @@ void wxDataViewMainWindow::RemoveDropHint()
     }
 }
 
     }
 }
 

-wxDragResult wxDataViewMainWindow::OnDragOver( wxDataFormat format, wxCoord x, 
+wxDragResult wxDataViewMainWindow::OnDragOver( wxDataFormat format, wxCoord x,

                                                wxCoord y, wxDragResult def )
 {
     int xx = x;
                                                wxCoord y, wxDragResult def )
 {
     int xx = x;


@@ -1479,7 +1526,7 @@ bool wxDataViewMainWindow::OnDrop( wxDataFormat format, wxCoord x, wxCoord y )
     return true;
 }
 
     return true;
 }
 

-wxDragResult wxDataViewMainWindow::OnData( wxDataFormat format, wxCoord x, wxCoord y, 
+wxDragResult wxDataViewMainWindow::OnData( wxDataFormat format, wxCoord x, wxCoord y,

                                            wxDragResult def )
 {
     int xx = x;
                                            wxDragResult def )
 {
     int xx = x;


@@ -1536,7 +1583,7 @@ wxBitmap wxDataViewMainWindow::CreateItemBitmap( unsigned int row, int &indent )
     {
         wxDataViewTreeNode *node = GetTreeNodeByRow(row);
         indent = GetOwner()->GetIndent() * node->GetIndentLevel();
     {
         wxDataViewTreeNode *node = GetTreeNodeByRow(row);
         indent = GetOwner()->GetIndent() * node->GetIndentLevel();

-        indent = indent + m_lineHeight;  
+        indent = indent + m_lineHeight;

             // try to use the m_lineHeight as the expander space
 
         if(!node->HasChildren())
             // try to use the m_lineHeight as the expander space
 
         if(!node->HasChildren())


@@ -1581,43 +1628,15 @@ wxBitmap wxDataViewMainWindow::CreateItemBitmap( unsigned int row, int &indent )
         model->GetValue( value, item, column->GetModelColumn());
         cell->SetValue( value );
 
         model->GetValue( value, item, column->GetModelColumn());
         cell->SetValue( value );
 

-        if (cell->GetWantsAttr())
-        {
-                wxDataViewItemAttr attr;
-                bool ret = model->GetAttr( item, column->GetModelColumn(), attr );
-                if (ret)
-                    cell->SetAttr( attr );
-                cell->SetHasAttr( ret );
-        }
-
-        wxSize size = cell->GetSize();
-        size.x = wxMin( 2*PADDING_RIGHTLEFT + size.x, width );
-        size.y = height;
-        wxRect item_rect(x, 0, size.x, size.y);
-
-        int align = cell->CalculateAlignment();
-        // horizontal alignment:
-        item_rect.x = x;
-        if (align & wxALIGN_CENTER_HORIZONTAL)
-            item_rect.x = x + (width / 2) - (size.x / 2);
-        else if (align & wxALIGN_RIGHT)
-            item_rect.x = x + width - size.x;
-        // else: wxALIGN_LEFT is the default
-
-        // vertical alignment:
-        item_rect.y = 0;
-        if (align & wxALIGN_CENTER_VERTICAL)
-            item_rect.y = (height / 2) - (size.y / 2);
-        else if (align & wxALIGN_BOTTOM)
-            item_rect.y = height - size.y;
-        // else: wxALIGN_TOP is the default
-
-        // add padding
-        item_rect.x += PADDING_RIGHTLEFT;
-        item_rect.width = size.x - 2 * PADDING_RIGHTLEFT;
+        wxRect item_rect(x, 0, width, height);
+        item_rect.Deflate(PADDING_RIGHTLEFT, 0);

 
         // dc.SetClippingRegion( item_rect );
 
         // dc.SetClippingRegion( item_rect );

-        cell->Render( item_rect, &dc, 0 );
+        wxDataViewItemAttr attr;
+        const bool
+            hasAttr = model->GetAttr(item, column->GetModelColumn(), attr);
+        cell->RenderWithAttr(dc, item_rect, cell->CalculateAlignment(),
+                                hasAttr ? &attr : NULL, 0);

         // dc.DestroyClippingRegion();
 
         x += width;
         // dc.DestroyClippingRegion();
 
         x += width;


@@ -1635,11 +1654,9 @@ 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
 
     // prepare the DC
 #endif
 
     // prepare the DC


@@ -1655,6 +1672,12 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
         wxMin( (int)(  GetLineAt( wxMax(0,update.y+update.height) ) - item_start + 1),
             (int)(GetRowCount( ) - item_start));
     unsigned int item_last = item_start + item_count;
         wxMin( (int)(  GetLineAt( wxMax(0,update.y+update.height) ) - item_start + 1),
             (int)(GetRowCount( ) - item_start));
     unsigned int item_last = item_start + item_count;

+    // Get the parent of DataViewCtrl
+    wxWindow *parent = GetParent()->GetParent();
+    wxDataViewEvent cache_event(wxEVT_COMMAND_DATAVIEW_CACHE_HINT, parent->GetId());
+    cache_event.SetEventObject(GetParent());
+    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();


@@ -1771,7 +1794,6 @@ 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()->GetColumnAt( i );
         wxDataViewRenderer *cell = col->GetRenderer();
         cell_rect.width = col->GetWidth();
         wxDataViewColumn *col = GetOwner()->GetColumnAt( i );
         wxDataViewRenderer *cell = col->GetRenderer();
         cell_rect.width = col->GetWidth();


@@ -1794,27 +1816,18 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
 
                 dataitem = node->GetItem();
 
 
                 dataitem = node->GetItem();
 

-                if ((i > 0) && model->IsContainer(dataitem) && 
+                if ((i > 0) && model->IsContainer(dataitem) &&

                     !model->HasContainerColumns(dataitem))
                     continue;
             }
             else
             {
                     !model->HasContainerColumns(dataitem))
                     continue;
             }
             else
             {

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

             }
 
             model->GetValue( value, dataitem, col->GetModelColumn());
             cell->SetValue( value );
 
             }
 
             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 );
-            }
-

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


@@ -1832,10 +1845,10 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
 
                 // change the cell_rect.x to the appropriate pos
                 int expander_x = indent + 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) 
+                int expander_y = cell_rect.y + EXPANDER_MARGIN + (GetLineHeight(item) / 2)

                                  - (expander_width/2) - EXPANDER_OFFSET;
 
                                  - (expander_width/2) - EXPANDER_OFFSET;
 

-                indent = indent + m_lineHeight;  
+                indent = indent + m_lineHeight;

                     // try to use the m_lineHeight as the expander space
 
                 dc.SetPen( m_penExpander );
                     // try to use the m_lineHeight as the expander space
 
                 dc.SetPen( m_penExpander );


@@ -1849,7 +1862,7 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
                         flag |= wxCONTROL_CURRENT;
                     }
                     if( node->IsOpen() )
                         flag |= wxCONTROL_CURRENT;
                     }
                     if( node->IsOpen() )

-                        wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, 
+                        wxRendererNative::Get().DrawTreeItemButton( this, dc, rect,

                                                                     flag|wxCONTROL_EXPANDED );
                     else
                         wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);
                                                                     flag|wxCONTROL_EXPANDED );
                     else
                         wxRendererNative::Get().DrawTreeItemButton( this, dc, rect, flag);


@@ -1865,40 +1878,12 @@ 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;
+            wxRect item_rect = cell_rect;
+            item_rect.Deflate(PADDING_RIGHTLEFT, 0);

 
 

-            // Here we add the tree indent
+            // account for the tree indent (harmless if we're not indented)

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

+            item_rect.width -= indent;

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


@@ -1911,9 +1896,13 @@ 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);
+
+            wxDataViewItemAttr attr;
+            const bool
+                hasAttr = model->GetAttr(dataitem, col->GetModelColumn(), attr);
+            cell->RenderWithAttr(dc, item_rect, cell->CalculateAlignment(),
+                                    hasAttr ? &attr : NULL, state);

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


@@ -1931,42 +1920,10 @@ void wxDataViewMainWindow::OnRenameTimer()
         wxSafeYield();
     }
 
         wxSafeYield();
     }
 

-    int xpos = 0;
-    unsigned int cols = GetOwner()->GetColumnCount();
-    unsigned int i;
-    for (i = 0; i < cols; i++)
-    {
-        wxDataViewColumn *c = GetOwner()->GetColumnAt( i );
-        if (c->IsHidden())
-            continue;      // skip it!
-
-        if (c == m_currentCol)
-            break;
-        xpos += c->GetWidth();
-    }
-
-    // we have to take an expander column into account and compute its indentation
-    // to get the editor at the correct x position where the actual text is
-    int indent = 0;
-    if (!IsVirtualList() && GetOwner()->GetExpanderColumn() == m_currentCol)
-    {
-        wxDataViewTreeNode* node = GetTreeNodeByRow(m_currentRow);
-        indent = GetOwner()->GetIndent() * node->GetIndentLevel();
-        indent = indent + m_lineHeight;
-
-        if(!node->HasChildren())
-            delete node;
-    }
-
-    wxRect labelRect( xpos + indent,
-                    GetLineStart( m_currentRow ),
-                    m_currentCol->GetWidth() - indent,
-                    GetLineHeight( m_currentRow ) );
+    wxDataViewItem item = GetItemByRow( m_currentRow );

 
 

-    GetOwner()->CalcScrolledPosition( labelRect.x, labelRect.y,
-                                    &labelRect.x, &labelRect.y);
+    wxRect labelRect = GetItemRect(item, m_currentCol);

 
 

-    wxDataViewItem item = GetItemByRow( m_currentRow );

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


@@ -2040,9 +1997,11 @@ 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)
+    if (IsVirtualList())

     {
     {

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

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


@@ -2078,14 +2037,18 @@ bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxData
 static void DestroyTreeHelper( wxDataViewTreeNode * node);
 
 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
 static void DestroyTreeHelper( wxDataViewTreeNode * node);
 
 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,

-                                    const wxDataViewItem& item)
+                                       const wxDataViewItem& item)

 {
 {

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

     {
     {

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

         if( m_currentRow > GetRowCount() )
             m_currentRow = m_count - 1;
 
         if( m_currentRow > GetRowCount() )
             m_currentRow = m_count - 1;
 

+        // TODO: why empty the entire selection?

         m_selection.Empty();
 
         UpdateDisplay();
         m_selection.Empty();
 
         UpdateDisplay();


@@ -2096,7 +2059,7 @@ bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
     wxDataViewTreeNode * node = FindNode(parent);
 
     wxCHECK_MSG( node != NULL, false, "item not found" );
     wxDataViewTreeNode * node = FindNode(parent);
 
     wxCHECK_MSG( node != NULL, false, "item not found" );

-    wxCHECK_MSG( node->GetChildren().Index( item.GetID() ) != wxNOT_FOUND, 
+    wxCHECK_MSG( node->GetChildren().Index( item.GetID() ) != wxNOT_FOUND,

                  false, "item not found" );
 
     int sub = -1;
                  false, "item not found" );
 
     int sub = -1;


@@ -2498,7 +2461,7 @@ 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())


@@ -2592,18 +2555,20 @@ 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() );
                 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->SetValue( value );

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

-

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


@@ -2628,14 +2593,14 @@ 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())
         {


@@ -2644,31 +2609,34 @@ 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() );
             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->SetValue( value );

             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++;

     }
 }
 
     }
 }
 


@@ -2703,14 +2671,17 @@ 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() );
             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->SetValue( value );

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


@@ -2725,7 +2696,7 @@ int wxDataViewMainWindow::GetLineHeight( unsigned int row ) const
 class RowToItemJob: public DoJob
 {
 public:
 class RowToItemJob: public DoJob
 {
 public:

-    RowToItemJob( unsigned int row , int current ) 
+    RowToItemJob( unsigned int row , int current )

         { this->row = row; this->current = current; }
     virtual ~RowToItemJob() {}
 
         { this->row = row; this->current = current; }
     virtual ~RowToItemJob() {}
 


@@ -2745,9 +2716,9 @@ public:
         }
         else
         {
         }
         else
         {

-            // If the current has no child node, we can find the desired item of the row 
+            // If the current has no child node, we can find the desired item of the row

             // number directly.
             // number directly.

-            // This if can speed up finding in some case, and will has a very good effect 
+            // 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)
             {
             // when it comes to list view
             if( node->GetNodes().GetCount() == 0)
             {


@@ -2781,9 +2752,9 @@ 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
     {


@@ -2823,9 +2794,9 @@ public:
         {
             parent = node;
 
         {
             parent = node;
 

-            // If the current node has no children, we can find the desired item of the 
+            // If the current node has no children, we can find the desired item of the

             // row number directly.
             // row number directly.

-            // This if can speed up finding in some case, and will have a very good 
+            // This if can speed up finding in some case, and will have a very good

             // effect for list views.
             if( node->GetNodes().GetCount() == 0)
             {
             // effect for list views.
             if( node->GetNodes().GetCount() == 0)
             {


@@ -2873,7 +2844,7 @@ wxDataViewTreeNode * wxDataViewMainWindow::GetTreeNodeByRow(unsigned int row) co
     return job.GetResult();
 }
 
     return job.GetResult();
 }
 

-wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type, 
+wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type,

                                                          const wxDataViewItem & item )
 {
     wxWindow *parent = GetParent();
                                                          const wxDataViewItem & item )
 {
     wxWindow *parent = GetParent();


@@ -2905,20 +2876,42 @@ bool wxDataViewMainWindow::IsExpanded( unsigned int row ) const
     return node->IsOpen();
 }
 
     return node->IsOpen();
 }
 

+bool wxDataViewMainWindow::HasChildren( unsigned int row ) const
+{
+    if (IsVirtualList())
+        return false;
+
+    wxDataViewTreeNode * node = GetTreeNodeByRow(row);
+    if (!node)
+        return false;

 
 

-void wxDataViewMainWindow::OnExpanding( unsigned int row )
+    if (!node->HasChildren())
+    {
+        delete node;
+        return false;
+    }
+
+    return true;
+}
+
+void wxDataViewMainWindow::Expand( unsigned int row )

 {
     if (IsVirtualList())
         return;
 
     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
 {
     if (IsVirtualList())
         return;
 
     wxDataViewTreeNode * node = GetTreeNodeByRow(row);

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

     {
     {

-        if( node->HasChildren())
-        {
-            if( !node->IsOpen())
+        delete node;
+        return;
+    }
+
+            if (!node->IsOpen())

             {
             {

-                wxDataViewEvent e = 
+                wxDataViewEvent e =

                     SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, node->GetItem());
 
                 // Check if the user prevent expanding
                     SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, node->GetItem());
 
                 // Check if the user prevent expanding


@@ -2955,23 +2948,9 @@ void wxDataViewMainWindow::OnExpanding( unsigned int row )
                 // Send the expanded event
                 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
             }
                 // Send the expanded event
                 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED,node->GetItem());
             }

-            else
-            {
-#if 0
-                // Why should we select the next row here???
-                SelectRow( row, false );
-                SelectRow( row + 1, true );
-                ChangeCurrentRow( row + 1 );
-                SendSelectionChangedEvent( GetItemByRow(row+1));
-#endif
-            }
-        }
-        else
-            delete node;
-    }

 }
 
 }
 

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

 {
     if (IsVirtualList())
         return;
 {
     if (IsVirtualList())
         return;


@@ -2979,16 +2958,16 @@ void wxDataViewMainWindow::OnCollapsing(unsigned int row)
     wxDataViewTreeNode *node = GetTreeNodeByRow(row);
     if (!node)
         return;
     wxDataViewTreeNode *node = GetTreeNodeByRow(row);
     if (!node)
         return;

-        
-    if( !node->HasChildren())
+
+    if (!node->HasChildren())

     {
         delete node;
         return;
     }
 
     {
         delete node;
         return;
     }
 

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

         {
         {

-            wxDataViewEvent e = 
+            wxDataViewEvent e =

                 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem());
             if( e.GetSkipped() )
                 return;
                 SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem());
             if( e.GetSkipped() )
                 return;


@@ -3023,7 +3002,7 @@ void wxDataViewMainWindow::OnCollapsing(unsigned int row)
             {
                 // 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.
             {
                 // 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 OnExpanding().
+                // We actually do the opposite of what we are doing in Expand().

                 for(unsigned i=0; i<m_selection.size(); ++i)
                 {
                     const unsigned testRow = m_selection[i];
                 for(unsigned i=0; i<m_selection.size(); ++i)
                 {
                     const unsigned testRow = m_selection[i];


@@ -3045,21 +3024,6 @@ void wxDataViewMainWindow::OnCollapsing(unsigned int row)
             UpdateDisplay();
             SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,node->GetItem());
         }
             UpdateDisplay();
             SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED,node->GetItem());
         }

-        else
-        {
-            node = node->GetParent();
-            if( node != NULL )
-            {
-                int  parent = GetRowByItem( node->GetItem() );
-                if( parent >= 0 )
-                {
-                    SelectRow( row, false);
-                    SelectRow(parent , true );
-                    ChangeCurrentRow( parent );
-                    SendSelectionChangedEvent( node->GetItem() );
-                }
-            }
-        }

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


@@ -3120,7 +3084,7 @@ wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item
     return NULL;
 }
 
     return NULL;
 }
 

-void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item, 
+void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item,

                                     wxDataViewColumn* &column )
 {
     wxDataViewColumn *col = NULL;
                                     wxDataViewColumn* &column )
 {
     wxDataViewColumn *col = NULL;


@@ -3145,37 +3109,77 @@ void wxDataViewMainWindow::HitTest( const wxPoint & point, wxDataViewItem & item
     item = GetItemByRow( GetLineAt( y ) );
 }
 
     item = GetItemByRow( GetLineAt( y ) );
 }
 

-wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item, 
+wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item,

                                           const wxDataViewColumn* column )
 {
                                           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 (!IsVirtualList() && (column == 0 || GetOwner()->GetExpanderColumn() == column) )

     {
     {

-    col = GetOwner()->GetColumnAt( i );
-    x += col->GetWidth();
-    if( GetOwner()->GetColumnAt(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
     {


@@ -3240,9 +3244,9 @@ 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
     {
     }
     else
     {


@@ -3269,7 +3273,7 @@ int wxDataViewMainWindow::GetRowByItem(const wxDataViewItem & item) const
     }
 }
 
     }
 }
 

-static void BuildTreeHelper( wxDataViewModel * model,  wxDataViewItem & item, 
+static void BuildTreeHelper( wxDataViewModel * model,  wxDataViewItem & item,

                              wxDataViewTreeNode * node)
 {
     if( !model->IsContainer( item ) )
                              wxDataViewTreeNode * node)
 {
     if( !model->IsContainer( item ) )


@@ -3357,16 +3361,15 @@ 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();
             {
                 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());


@@ -3374,7 +3377,7 @@ 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 );
         case WXK_UP:
             if ( m_currentRow > 0 )
                 OnArrowChar( m_currentRow - 1, event );


@@ -3386,16 +3389,62 @@ void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
             break;
         // Add the process for tree expanding/collapsing
         case WXK_LEFT:
             break;
         // Add the process for tree expanding/collapsing
         case WXK_LEFT:

-        OnCollapsing(m_currentRow);
-        break;
-    case WXK_RIGHT:
-        OnExpanding( m_currentRow);
-        break;
+        {
+            if (IsVirtualList())
+               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 );


@@ -3424,6 +3473,16 @@ 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();
     }


@@ -3535,7 +3594,7 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
 
         if (event.LeftIsDown())
         {
 
         if (event.LeftIsDown())
         {

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


@@ -3630,7 +3689,7 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
             SendSelectionChangedEvent( GetItemByRow(m_lineSelectSingleOnUp) );
         }
 
             SendSelectionChangedEvent( GetItemByRow(m_lineSelectSingleOnUp) );
         }
 

-        // If the user click the expander, we do not do editing even if the column 
+        // 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)
         {
         // with expander are editable
         if (m_lastOnSame && !ignore_other_columns)
         {


@@ -3667,7 +3726,9 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
             SelectRow(m_currentRow,true);
             SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
         }
             SelectRow(m_currentRow,true);
             SendSelectionChangedEvent(GetItemByRow( m_currentRow ) );
         }

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

         wxVariant value;
         model->GetValue( value, item, col->GetModelColumn() );
         wxWindow *parent = GetParent();
         wxVariant value;
         model->GetValue( value, item, col->GetModelColumn() );
         wxWindow *parent = GetParent();


@@ -3686,13 +3747,13 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
     {
         wxDataViewTreeNode* node = GetTreeNodeByRow(current);
 
     {
         wxDataViewTreeNode* node = GetTreeNodeByRow(current);
 

-        // hoverOverExpander being true tells us that our node must be 
+        // 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() )
         // valid and have children.
         // So we don't need any extra checks.
         if( node->IsOpen() )

-            OnCollapsing(current);
+            Collapse(current);

         else
         else

-            OnExpanding(current);
+            Expand(current);

     }
     else if ((event.LeftDown() || simulateClick) && !hoverOverExpander)
     {
     }
     else if ((event.LeftDown() || simulateClick) && !hoverOverExpander)
     {


@@ -3747,7 +3808,7 @@ 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?") );

             }
         }
 
             }
         }
 


@@ -3771,7 +3832,7 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
             cell->SetValue( value );
             wxRect cell_rect( xpos, GetLineStart( current ),
                               col->GetWidth(), GetLineHeight( current ) );
             cell->SetValue( value );
             wxRect cell_rect( xpos, GetLineStart( current ),
                               col->GetWidth(), GetLineHeight( current ) );

-             /* ignore ret */ cell->LeftClick( event.GetPosition(), cell_rect, 
+             /* ignore ret */ cell->LeftClick( event.GetPosition(), cell_rect,

                               model, item, col->GetModelColumn());
         }
     }
                               model, item, col->GetModelColumn());
         }
     }


@@ -4286,13 +4347,13 @@ void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataVie
 
 }
 
 
 }
 

-void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item, 
+void wxDataViewCtrl::HitTest( const wxPoint & point, wxDataViewItem & item,

                               wxDataViewColumn* &column ) const
 {
     m_clientArea->HitTest(point, item, column);
 }
 
                               wxDataViewColumn* &column ) const
 {
     m_clientArea->HitTest(point, item, column);
 }
 

-wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item, 
+wxRect wxDataViewCtrl::GetItemRect( const wxDataViewItem & item,

                                     const wxDataViewColumn* column ) const
 {
     return m_clientArea->GetItemRect(item, column);
                                     const wxDataViewColumn* column ) const
 {
     return m_clientArea->GetItemRect(item, column);


@@ -4318,7 +4379,6 @@ void wxDataViewCtrl::Expand( const wxDataViewItem & item )
 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
 {
     int row = m_clientArea->GetRowByItem( item );
 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
 {
     int row = m_clientArea->GetRowByItem( item );

-    wxPrintf( "row %d\n", row );

     if (row != -1)
         m_clientArea->Collapse(row);
 }
     if (row != -1)
         m_clientArea->Collapse(row);
 }


@@ -4331,8 +4391,17 @@ bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
     return false;
 }
 
     return false;
 }
 

-#endif
-    // !wxUSE_GENERICDATAVIEWCTRL
+void wxDataViewCtrl::StartEditor( const wxDataViewItem & item, unsigned int column )
+{
+    wxDataViewColumn* col = GetColumn( column );
+    if (!col)
+        return;

 
 

-#endif
-    // wxUSE_DATAVIEWCTRL
+    wxRect itemRect = GetItemRect(item, col);
+    wxDataViewRenderer* renderer = col->GetRenderer();
+    renderer->StartEditing(item, itemRect);
+}
+
+#endif // !wxUSE_GENERICDATAVIEWCTRL
+
+#endif // wxUSE_DATAVIEWCTRL