]> git.saurik.com Git - wxWidgets.git/blobdiff - src/generic/datavgen.cpp
Ensure we get mouse moved events.
[wxWidgets.git] / src / generic / datavgen.cpp
index 21483c4910e6df6750e5285703171c154b4da885..ad90b57e7087a4e3a247cc77ecf011982581360a 100644 (file)
@@ -34,6 +34,7 @@
     #include "wx/settings.h"
     #include "wx/msgdlg.h"
     #include "wx/dcscreen.h"
+    #include "wx/frame.h"
 #endif
 
 #include "wx/stockitem.h"
@@ -46,6 +47,7 @@
 #include "wx/listimpl.cpp"
 #include "wx/imaglist.h"
 #include "wx/headerctrl.h"
+#include "wx/dnd.h"
 
 //-----------------------------------------------------------------------------
 // classes
@@ -91,7 +93,7 @@ public:
 protected:
     // implement/override wxHeaderCtrl functions by forwarding them to the main
     // control
-    virtual wxHeaderColumn& GetColumn(unsigned int idx)
+    virtual const wxHeaderColumn& GetColumn(unsigned int idx) const
     {
         return *(GetOwner()->GetColumn(idx));
     }
@@ -187,11 +189,11 @@ private:
     {
         wxDataViewCtrl * const owner = GetOwner();
         owner->ColumnMoved(owner->GetColumn(event.GetColumn()),
-                           event.GetNewOrder());
+                        event.GetNewOrder());
     }
 
     DECLARE_EVENT_TABLE()
-    DECLARE_NO_COPY_CLASS(wxDataViewHeaderWindow)
+    wxDECLARE_NO_COPY_CLASS(wxDataViewHeaderWindow);
 };
 
 BEGIN_EVENT_TABLE(wxDataViewHeaderWindow, wxHeaderCtrl)
@@ -415,6 +417,9 @@ public:
     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 );
@@ -483,6 +488,19 @@ public:
 
     void Expand( unsigned int row ) { OnExpanding( row ); }
     void Collapse( unsigned int row ) { OnCollapsing( row ); }
+    bool IsExpanded( 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;
     //We did not need this temporarily
@@ -510,13 +528,23 @@ private:
 
     bool                        m_hasFocus;
 
+#if wxUSE_DRAG_AND_DROP
     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,
-           m_lineBeforeLastClicked,
-           m_lineSelectSingleOnUp;
+        m_lineBeforeLastClicked,
+        m_lineSelectSingleOnUp;
 
     // the pen used to draw horiz/vertical rules
     wxPen m_penRule;
@@ -555,7 +583,7 @@ public:
     virtual bool Cleared()
         { return m_mainWindow->Cleared(); }
     virtual void Resort()
-         { m_mainWindow->Resort(); }
+        { m_mainWindow->Resort(); }
 
     wxDataViewMainWindow    *m_mainWindow;
 };
@@ -613,7 +641,7 @@ int wxDataViewRenderer::CalculateAlignment() const
     if (m_align == wxDVR_DEFAULT_ALIGNMENT)
     {
         if (GetOwner() == NULL)
-           return wxALIGN_LEFT | wxALIGN_CENTRE_VERTICAL;
+        return wxALIGN_LEFT | wxALIGN_CENTRE_VERTICAL;
 
         return GetOwner()->GetAlignment() | wxALIGN_CENTRE_VERTICAL;
     }
@@ -628,7 +656,7 @@ int wxDataViewRenderer::CalculateAlignment() const
 IMPLEMENT_ABSTRACT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
 
 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
-                          wxDataViewCellMode mode, int align ) :
+                        wxDataViewCellMode mode, int align ) :
     wxDataViewRenderer( varianttype, mode, align )
 {
 }
@@ -676,8 +704,8 @@ 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) );
+                        wxPoint(labelRect.x,labelRect.y),
+                        wxSize(labelRect.width,labelRect.height) );
 }
 
 bool wxDataViewTextRenderer::GetValueFromEditorCtrl( wxControl *editor, wxVariant &value )
@@ -733,13 +761,13 @@ bool wxDataViewTextRendererAttr::Render( wxRect cell, wxDC *dc, int WXUNUSED(sta
 
         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 );
+            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 );
         }
     }
 
@@ -857,8 +885,8 @@ bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state
 }
 
 bool wxDataViewToggleRenderer::Activate( wxRect WXUNUSED(cell),
-                                         wxDataViewModel *model,
-                                         const wxDataViewItem & item, unsigned int col)
+                                        wxDataViewModel *model,
+                                        const wxDataViewItem & item, unsigned int col)
 {
     bool value = !m_toggle;
     wxVariant variant = value;
@@ -1021,7 +1049,7 @@ wxSize wxDataViewDateRenderer::GetSize() const
 }
 
 bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewModel *model,
-                                       const wxDataViewItem & item, unsigned int col )
+                                    const wxDataViewItem & item, unsigned int col )
 {
     wxVariant variant;
     model->GetValue( variant, item, col );
@@ -1047,7 +1075,7 @@ bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewModel *m
 IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewCustomRenderer)
 
 wxDataViewIconTextRenderer::wxDataViewIconTextRenderer(
-  const wxString &varianttype, wxDataViewCellMode mode, int align ) :
+const wxString &varianttype, wxDataViewCellMode mode, int align ) :
     wxDataViewCustomRenderer( varianttype, mode, align )
 {
     SetMode(mode);
@@ -1101,19 +1129,145 @@ wxSize wxDataViewIconTextRenderer::GetSize() const
 
 wxControl *
 wxDataViewIconTextRenderer::CreateEditorCtrl(wxWindow * WXUNUSED(parent),
-                                             wxRect WXUNUSED(labelRect),
-                                             const wxVariant& WXUNUSED(value))
+                                            wxRect WXUNUSED(labelRect),
+                                            const wxVariant& WXUNUSED(value))
 {
     return NULL;
 }
 
 bool
 wxDataViewIconTextRenderer::GetValueFromEditorCtrl(wxControl* WXUNUSED(editor),
-                                                   wxVariant& WXUNUSED(value))
+                                                wxVariant& WXUNUSED(value))
 {
     return false;
 }
 
+//-----------------------------------------------------------------------------
+// wxDataViewDropTarget
+//-----------------------------------------------------------------------------
+
+#if wxUSE_DRAG_AND_DROP
+
+class wxBitmapCanvas: public wxWindow
+{
+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) );
+    }
+
+    void OnPaint( wxPaintEvent &WXUNUSED(event) )
+    {
+        wxPaintDC dc(this);
+        dc.DrawBitmap( m_bitmap, 0, 0);
+    }
+
+    wxBitmap m_bitmap;
+};
+
+class wxDataViewDropSource: public wxDropSource
+{
+public:
+    wxDataViewDropSource( wxDataViewMainWindow *win, unsigned int row ) :
+        wxDropSource( win )
+    {
+        m_win = win;
+        m_row = row;
+        m_hint = NULL;
+    }
+
+    ~wxDataViewDropSource()
+    {
+        delete m_hint;
+    }
+
+    virtual bool GiveFeedback( wxDragResult WXUNUSED(effect) )
+    {
+        wxPoint pos = wxGetMousePosition();
+
+        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 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 );
+        }
+
+        return false;
+    }
+
+    wxDataViewMainWindow   *m_win;
+    unsigned int            m_row;
+    wxFrame                *m_hint;
+    int m_dist_x,m_dist_y;
+};
+
+
+class wxDataViewDropTarget: public wxDropTarget
+{
+public:
+    wxDataViewDropTarget( wxDataObject *obj, wxDataViewMainWindow *win ) :
+        wxDropTarget( obj )
+    {
+        m_win = win;
+    }
+
+    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);
+        }
+
+    virtual bool OnDrop( wxCoord x, wxCoord 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 )
+        {
+        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(); }
+
+    wxDataViewMainWindow   *m_win;
+};
+
+#endif // wxUSE_DRAG_AND_DROP
+
 //-----------------------------------------------------------------------------
 // wxDataViewRenameTimer
 //-----------------------------------------------------------------------------
@@ -1170,8 +1324,16 @@ wxDataViewMainWindow::wxDataViewMainWindow( wxDataViewCtrl *parent, wxWindowID i
 
     m_lineHeight = wxMax( 17, GetCharHeight() + 2 ); // 17 = mini icon height + 1
 
+#if wxUSE_DRAG_AND_DROP
     m_dragCount = 0;
     m_dragStart = wxPoint(0,0);
+
+    m_dragEnabled = false;
+    m_dropEnabled = false;
+    m_dropHint = false;
+    m_dropHintLine = (unsigned int) -1;
+#endif // wxUSE_DRAG_AND_DROP
+
     m_lineLastClicked = (unsigned int) -1;
     m_lineBeforeLastClicked = (unsigned int) -1;
     m_lineSelectSingleOnUp = (unsigned int) -1;
@@ -1202,6 +1364,259 @@ wxDataViewMainWindow::~wxDataViewMainWindow()
     delete m_renameTimer;
 }
 
+
+#if wxUSE_DRAG_AND_DROP
+bool wxDataViewMainWindow::EnableDragSource( const wxDataFormat &format )
+{
+    m_dragFormat = format;
+    m_dragEnabled = format != wxDF_INVALID;
+
+    return true;
+}
+
+bool wxDataViewMainWindow::EnableDropTarget( const wxDataFormat &format )
+{
+    m_dropFormat = format;
+    m_dropEnabled = format != wxDF_INVALID;
+
+    if (m_dropEnabled)
+        SetDropTarget( new wxDataViewDropTarget( new wxCustomDataObject( format ), this ) );
+
+    return true;
+}
+
+void wxDataViewMainWindow::RemoveDropHint()
+{
+    if (m_dropHint)
+    {
+            m_dropHint = false;
+            RefreshRow( m_dropHintLine );
+            m_dropHintLine = (unsigned int) -1;
+    }
+}
+
+wxDragResult wxDataViewMainWindow::OnDragOver( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def )
+{
+    int xx = x;
+    int yy = y;
+    m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
+    unsigned int row = GetLineAt( yy );
+
+    if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
+    {
+        RemoveDropHint();
+        return wxDragNone;
+    }
+
+    wxDataViewItem item = GetItemByRow( row );
+
+    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;
+    }
+
+    if (!event.IsAllowed())
+    {
+        RemoveDropHint();
+        return wxDragNone;
+    }
+
+
+    if (m_dropHint && (row != m_dropHintLine))
+        RefreshRow( m_dropHintLine );
+    m_dropHint = true;
+    m_dropHintLine = row;
+    RefreshRow( row );
+
+    return def;
+}
+
+bool wxDataViewMainWindow::OnDrop( wxDataFormat format, wxCoord x, wxCoord y )
+{
+    RemoveDropHint();
+
+    int xx = x;
+    int yy = y;
+    m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
+    unsigned int row = GetLineAt( yy );
+
+    if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
+        return false;
+
+    wxDataViewItem item = GetItemByRow( row );
+
+    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 ))
+        return false;
+
+    if (!event.IsAllowed())
+        return false;
+
+    return true;
+}
+
+wxDragResult wxDataViewMainWindow::OnData( wxDataFormat format, wxCoord x, wxCoord y, wxDragResult def )
+{
+    int xx = x;
+    int yy = y;
+    m_owner->CalcUnscrolledPosition( xx, yy, &xx, &yy );
+    unsigned int row = GetLineAt( yy );
+
+    if ((row >= GetRowCount()) || (yy > GetEndOfLastCol()))
+        return wxDragNone;
+
+    wxDataViewItem item = GetItemByRow( row );
+
+    wxDataViewModel *model = GetOwner()->GetModel();
+
+    wxCustomDataObject *obj = (wxCustomDataObject *) GetDropTarget()->GetDataObject();
+
+    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 wxDataViewMainWindow::OnLeave()
+{
+    RemoveDropHint();
+}
+
+wxBitmap wxDataViewMainWindow::CreateItemBitmap( unsigned int row, int &indent )
+{
+    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 (!IsVirtualList())
+    {
+        wxDataViewTreeNode *node = GetTreeNodeByRow(row);
+        indent = GetOwner()->GetIndent() * node->GetIndentLevel();
+        indent = indent + m_lineHeight;  //try to use the m_lineHeight as the expander space
+
+        if(!node->HasChildren())
+            delete node;
+    }
+    width -= indent;
+
+    wxBitmap bitmap( width, height );
+    wxMemoryDC dc( bitmap );
+    dc.SetFont( GetFont() );
+    dc.SetPen( *wxBLACK_PEN );
+    dc.SetBrush( *wxWHITE_BRUSH );
+    dc.DrawRectangle( 0,0,width,height );
+
+    wxDataViewModel *model = m_owner->GetModel();
+
+    wxDataViewColumn *expander = GetOwner()->GetExpanderColumn();
+    if (!expander)
+    {
+        // TODO-RTL: last column for RTL support
+        expander = GetOwner()->GetColumnAt( 0 );
+        GetOwner()->SetExpanderColumn(expander);
+    }
+
+
+    int x = 0;
+    for (col = 0; col < cols; col++)
+    {
+        wxDataViewColumn *column = GetOwner()->GetColumnAt( col );
+        wxDataViewRenderer *cell = column->GetRenderer();
+
+        if (column->IsHidden())
+            continue;       // skip it!
+
+        width = column->GetWidth();
+
+        if (column == expander)
+            width -= indent;
+
+        wxVariant value;
+        wxDataViewItem item = GetItemByRow( row );
+        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;
+
+        //dc.SetClippingRegion( item_rect );
+        cell->Render( item_rect, &dc, 0 );
+        //dc.DestroyClippingRegion();
+
+        x += width;
+    }
+
+    return bitmap;
+}
+
+#endif // wxUSE_DRAG_AND_DROP
+
+
 void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
 {
     wxDataViewModel *model = GetOwner()->GetModel();
@@ -1226,7 +1641,7 @@ 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),
-               (int)(GetRowCount( ) - item_start));
+            (int)(GetRowCount( ) - item_start));
     unsigned int item_last = item_start + item_count;
 
     // compute which columns needs to be redrawn
@@ -1320,6 +1735,17 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
         }
     }
 
+#if wxUSE_DRAG_AND_DROP
+    if (m_dropHint)
+    {
+        wxRect rect( x_start, GetLineStart( m_dropHintLine ),
+                    x_last, 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)
     {
@@ -1409,8 +1835,8 @@ void wxDataViewMainWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
                     else
                         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())
             {
@@ -1477,7 +1903,11 @@ 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 )
+    {
+        // TODO: use wxTheApp->SafeYieldFor(NULL, wxEVT_CATEGORY_UI) instead
+        //       (needs to be tested!)
         wxSafeYield();
+    }
 
     int xpos = 0;
     unsigned int cols = GetOwner()->GetColumnCount();
@@ -1492,17 +1922,30 @@ void wxDataViewMainWindow::OnRenameTimer()
             break;
         xpos += c->GetWidth();
     }
-    wxRect labelRect( xpos,
-                      GetLineStart( m_currentRow ),
-                      m_currentCol->GetWidth(),
-                      GetLineHeight( m_currentRow ) );
+
+    // 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 ) );
 
     GetOwner()->CalcScrolledPosition( labelRect.x, labelRect.y,
-                                     &labelRect.x, &labelRect.y);
+                                    &labelRect.x, &labelRect.y);
 
     wxDataViewItem item = GetItemByRow( m_currentRow );
     m_currentCol->GetRenderer()->StartEditing( item, labelRect );
-
 }
 
 //------------------------------------------------------------------
@@ -1567,7 +2010,7 @@ bool Walker( wxDataViewTreeNode * node, DoJob & func )
                     continue;
                 case DoJob::CONT:
                 default:
-                   ;
+                ;
             }
     }
     return false;
@@ -1613,7 +2056,7 @@ bool wxDataViewMainWindow::ItemAdded(const wxDataViewItem & parent, const wxData
 static void DestroyTreeHelper( wxDataViewTreeNode * node);
 
 bool wxDataViewMainWindow::ItemDeleted(const wxDataViewItem& parent,
-                                       const wxDataViewItem& item)
+                                    const wxDataViewItem& item)
 {
     if (!m_root)
     {
@@ -1851,7 +2294,7 @@ unsigned int wxDataViewMainWindow::GetLastVisibleRow()
 {
     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
     unsigned int row = GetLineAt(client_size.y) - 1;
@@ -2032,7 +2475,7 @@ void wxDataViewMainWindow::RefreshRowsAfter( unsigned int firstRow )
 void wxDataViewMainWindow::OnArrowChar(unsigned int newCurrent, const wxKeyEvent& event)
 {
     wxCHECK_RET( newCurrent < GetRowCount(),
-                 _T("invalid item index in OnArrowChar()") );
+                _T("invalid item index in OnArrowChar()") );
 
     // if there is no selection, we cannot move it anywhere
     if (!HasCurrentRow())
@@ -2162,14 +2605,14 @@ int wxDataViewMainWindow::GetLineAt( unsigned int y ) const
     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())
         {
@@ -2178,11 +2621,11 @@ int wxDataViewMainWindow::GetLineAt( unsigned int y ) const
             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!
@@ -2196,13 +2639,13 @@ int wxDataViewMainWindow::GetLineAt( unsigned int y ) const
             wxDataViewRenderer *renderer2 = const_cast<wxDataViewRenderer*>(renderer);
             renderer2->SetValue( value );
             height = wxMax( height, renderer->GetSize().y );
-       }
+    }
 
-       yy += height;
-       if (y < yy)
-           return row;
+    yy += height;
+    if (y < yy)
+        return row;
 
-       row++;
+    row++;
     }
 }
 
@@ -2224,7 +2667,7 @@ 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
-             wxDELETE(node);
+            wxDELETE(node);
         }
 
         int height = m_lineHeight;
@@ -2266,7 +2709,7 @@ public:
     {
         current ++;
         if( current == static_cast<int>(row))
-         {
+        {
             ret = node->GetItem();
             return DoJob::OK;
         }
@@ -2294,7 +2737,7 @@ public:
     {
         current ++;
         if( current == static_cast<int>(row))
-         {
+        {
             ret = wxDataViewItem( n );
             return DoJob::OK;
         }
@@ -2337,7 +2780,7 @@ public:
     {
         current ++;
         if( current == static_cast<int>(row))
-         {
+        {
             ret = node;
             return DoJob::OK;
         }
@@ -2371,7 +2814,7 @@ public:
     {
         current ++;
         if( current == static_cast<int>(row))
-         {
+        {
             ret = new wxDataViewTreeNode( parent );
             ret->SetItem( wxDataViewItem( n ));
             ret->SetHasChildren(false);
@@ -2411,10 +2854,30 @@ wxDataViewEvent wxDataViewMainWindow::SendExpanderEvent( wxEventType type, const
     return le;
 }
 
+
+bool wxDataViewMainWindow::IsExpanded( unsigned int row ) const
+{
+    if (IsVirtualList())
+    return false;
+
+    wxDataViewTreeNode * node = GetTreeNodeByRow(row);
+    if (!node)
+    return false;
+
+    if (!node->HasChildren())
+    {
+    delete node;
+    return false;
+    }
+
+    return node->IsOpen();
+}
+
+
 void wxDataViewMainWindow::OnExpanding( unsigned int row )
 {
     if (IsVirtualList())
-       return;
+    return;
 
     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
     if( node != NULL )
@@ -2423,22 +2886,39 @@ void wxDataViewMainWindow::OnExpanding( unsigned int row )
         {
             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;
 
-               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());
+            node->ToggleOpen();
+            //Here I 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
             {
@@ -2456,7 +2936,7 @@ void wxDataViewMainWindow::OnExpanding( unsigned int row )
 void wxDataViewMainWindow::OnCollapsing(unsigned int row)
 {
     if (IsVirtualList())
-       return;
+    return;
 
     wxDataViewTreeNode * node = GetTreeNodeByRow(row);
     if( node != NULL )
@@ -2468,7 +2948,55 @@ void wxDataViewMainWindow::OnCollapsing(unsigned int row)
             wxDataViewEvent e = SendExpanderEvent(wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING,node->GetItem());
             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();
+
+            // 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
+            {
+                // 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().
+                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 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,nd->GetItem());
@@ -2499,6 +3027,9 @@ wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item
     if( model == NULL )
         return NULL;
 
+    if (!item.IsOk())
+        return m_root;
+
     //Compose the a parent-chain of the finding item
     ItemList list;
     list.DeleteContents( true );
@@ -2532,7 +3063,7 @@ wxDataViewTreeNode * wxDataViewMainWindow::FindNode( const wxDataViewItem & item
                 if (nodes[i]->GetItem() == (**iter))
                 {
                     if (nodes[i]->GetItem() == item)
-                       return nodes[i];
+                    return nodes[i];
 
                     node = nodes[i];
                     found = true;
@@ -2581,10 +3112,10 @@ wxRect wxDataViewMainWindow::GetItemRect( const wxDataViewItem & item, const wxD
     wxDataViewColumn *col = NULL;
     for( int i = 0, cols = GetOwner()->GetColumnCount(); i < cols; i ++ )
     {
-       col = GetOwner()->GetColumnAt( i );
-       x += col->GetWidth();
-       if( GetOwner()->GetColumnAt(i+1) == column )
-           break;
+    col = GetOwner()->GetColumnAt( i );
+    x += col->GetWidth();
+    if( GetOwner()->GetColumnAt(i+1) == column )
+        break;
     }
     int w = col->GetWidth();
     m_owner->CalcScrolledPosition( x, y, &x, &y );
@@ -2613,7 +3144,7 @@ class ItemToRowJob : public DoJob
 public:
     ItemToRowJob(const wxDataViewItem& item_, ItemList::const_iterator iter)
         : m_iter(iter),
-          item(item_)
+        item(item_)
     {
         ret = -1;
     }
@@ -2621,22 +3152,22 @@ public:
     //Maybe binary search will help to speed up this process
     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;
+        }
 
     }
 
@@ -2699,6 +3230,7 @@ static void BuildTreeHelper( wxDataViewModel * model,  wxDataViewItem & item, wx
 
     wxDataViewItemArray children;
     unsigned int num = model->GetChildren( item, children);
+
     unsigned int index = 0;
     while( index < num )
     {
@@ -2761,7 +3293,7 @@ void wxDataViewMainWindow::DestroyTree()
 {
     if (!IsVirtualList())
     {
-       ::DestroyTreeHelper(m_root);
+    ::DestroyTreeHelper(m_root);
         m_count = 0;
         m_root = NULL;
     }
@@ -2787,7 +3319,7 @@ void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
     {
         case WXK_RETURN:
         {
-            if (m_currentRow > 0)
+            if (m_currentRow >= 0)
             {
                 wxWindow *parent = GetParent();
                 wxDataViewEvent le(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, parent->GetId());
@@ -2810,11 +3342,11 @@ void wxDataViewMainWindow::OnChar( wxKeyEvent &event )
             break;
         //Add the process for tree expanding/collapsing
         case WXK_LEFT:
-         OnCollapsing(m_currentRow);
-         break;
-     case WXK_RIGHT:
-         OnExpanding( m_currentRow);
-         break;
+        OnCollapsing(m_currentRow);
+        break;
+    case WXK_RIGHT:
+        OnExpanding( m_currentRow);
+        break;
         case WXK_END:
             if (!IsEmpty())
                 OnArrowChar( GetRowCount() - 1, event );
@@ -2888,14 +3420,14 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
 
     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 ?
         return;
     }
 
     //Test whether the mouse is hovered on the tree item button
-    bool hover = false;
+    bool hoverOverExpander = false;
     if ((!IsVirtualList()) && (GetOwner()->GetExpanderColumn() == col))
     {
         wxDataViewTreeNode * node = GetTreeNodeByRow(current);
@@ -2903,14 +3435,16 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
         {
             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;
+                hoverOverExpander = true;
                 if (m_underMouse && m_underMouse != node)
                 {
                     //wxLogMessage("Undo the row: %d", GetRowByItem(m_underMouse->GetItem()));
@@ -2927,7 +3461,7 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
         if (node!=NULL && !node->HasChildren())
             delete node;
     }
-    if (!hover)
+    if (!hoverOverExpander)
     {
         if (m_underMouse != NULL)
         {
@@ -2939,6 +3473,7 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
 
     wxDataViewModel *model = GetOwner()->GetModel();
 
+#if wxUSE_DRAG_AND_DROP
     if (event.Dragging())
     {
         if (m_dragCount == 0)
@@ -2956,7 +3491,29 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
 
         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
+            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;
     }
@@ -2964,8 +3521,9 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
     {
         m_dragCount = 0;
     }
+#endif // wxUSE_DRAG_AND_DROP
 
-    bool forceClick = false;
+    bool simulateClick = false;
 
     if (event.ButtonDClick())
     {
@@ -2976,12 +3534,17 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
     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 ( 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))
             {
@@ -2989,7 +3552,7 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
                 model->GetValue( value, item, col->GetModelColumn() );
                 cell->SetValue( value );
                 wxRect cell_rect( xpos, GetLineStart( current ),
-                                  col->GetWidth(), GetLineHeight( current ) );
+                                col->GetWidth(), GetLineHeight( current ) );
                 cell->Activate( cell_rect, model, item, col->GetModelColumn() );
 
             }
@@ -3009,47 +3572,22 @@ 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
-            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 );
+            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 (m_lastOnSame && !ignore_other_columns)
         {
             if ((col == m_currentCol) && (current == m_currentRow) &&
                 (cell->GetMode() & wxDATAVIEW_CELL_EDITABLE) )
@@ -3061,7 +3599,7 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
         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
@@ -3098,7 +3636,18 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
     else if (event.MiddleDown())
     {
     }
-    if (event.LeftDown() || forceClick)
+
+    if((event.LeftDown() || simulateClick) && hoverOverExpander)
+    {
+        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() )
+            OnCollapsing(current);
+        else
+            OnExpanding(current);
+    }
+    else if ((event.LeftDown() || simulateClick) && !hoverOverExpander)
     {
         SetFocus();
 
@@ -3137,7 +3686,7 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
                 ChangeCurrentRow(current);
 
                 unsigned int lineFrom = oldCurrentRow,
-                       lineTo = current;
+                    lineTo = current;
 
                 if ( lineTo < lineFrom )
                 {
@@ -3163,7 +3712,7 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
         // 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+
@@ -3174,7 +3723,7 @@ void wxDataViewMainWindow::OnMouse( wxMouseEvent &event )
             model->GetValue( value, item, col->GetModelColumn() );
             cell->SetValue( value );
             wxRect cell_rect( xpos, GetLineStart( current ),
-                          col->GetWidth(), GetLineHeight( current ) );
+                        col->GetWidth(), GetLineHeight( current ) );
             /* ignore ret */ cell->LeftClick( event.GetPosition(), cell_rect, model, item, col->GetModelColumn());
         }
     }
@@ -3239,11 +3788,11 @@ void wxDataViewCtrl::Init()
 }
 
 bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
-           const wxPoint& pos, const wxSize& size,
-           long style, const wxValidator& validator )
+        const wxPoint& pos, const wxSize& size,
+        long style, const wxValidator& validator )
 {
-    if ( (style & wxBORDER_MASK) == 0)
-        style |= wxBORDER_SUNKEN;
+//    if ( (style & wxBORDER_MASK) == 0)
+//        style |= wxBORDER_SUNKEN;
 
     Init();
 
@@ -3275,10 +3824,15 @@ bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
     return true;
 }
 
+wxBorder wxDataViewCtrl::GetDefaultBorder() const
+{
+    return wxBORDER_THEME;
+}
+
 #ifdef __WXMSW__
 WXLRESULT wxDataViewCtrl::MSWWindowProc(WXUINT nMsg,
-                                       WXWPARAM wParam,
-                                       WXLPARAM lParam)
+                                    WXWPARAM wParam,
+                                    WXLPARAM lParam)
 {
     WXLRESULT rc = wxDataViewCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
 
@@ -3298,7 +3852,7 @@ wxSize wxDataViewCtrl::GetSizeAvailableForScrollTarget(const wxSize& size)
 {
     wxSize newsize = size;
     if (!HasFlag(wxDV_NO_HEADER) && (m_headerArea))
-       newsize.y -= m_headerArea->GetSize().y;
+    newsize.y -= m_headerArea->GetSize().y;
 
     return newsize;
 }
@@ -3341,6 +3895,20 @@ bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
     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))
@@ -3412,7 +3980,7 @@ 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;
+                                    : pos;
 
     return GetColumn(idx);
 }
@@ -3430,7 +3998,7 @@ int wxDataViewCtrl::GetColumnIndex(const wxDataViewColumn *column) const
 }
 
 void wxDataViewCtrl::ColumnMoved(wxDataViewColumn * WXUNUSED(col),
-                                 unsigned int WXUNUSED(new_pos))
+                                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
@@ -3480,7 +4048,7 @@ int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
 wxDataViewColumn *wxDataViewCtrl::GetSortingColumn() const
 {
     return m_sortingColumnIdx == wxNOT_FOUND ? NULL
-                                             : GetColumn(m_sortingColumnIdx);
+                                            : GetColumn(m_sortingColumnIdx);
 }
 
 //Selection code with wxDataViewItem as parameters
@@ -3505,18 +4073,33 @@ int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
 {
     wxDataViewSelection selection(wxDataViewSelectionCmp);
+
+    wxDataViewItem last_parent;
+
     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) );
     }
+
     m_clientArea->SetSelections( selection );
 }
 
 void wxDataViewCtrl::Select( const wxDataViewItem & item )
 {
+    ExpandAncestors( item );
+
     int row = m_clientArea->GetRowByItem( item );
     if( row >= 0 )
     {
@@ -3640,6 +4223,10 @@ void wxDataViewCtrl::EnsureVisible( int row, int column )
 
 void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn * column )
 {
+    ExpandAncestors( item );
+
+    m_clientArea->RecalculateDisplay();
+
     int row = m_clientArea->GetRowByItem(item);
     if( row >= 0 )
     {
@@ -3685,7 +4272,16 @@ void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
         m_clientArea->Collapse(row);
 }
 
- #endif
+bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
+{
+    int row = m_clientArea->GetRowByItem( item );
+    if (row != -1)
+        return m_clientArea->IsExpanded(row);
+    return false;
+}
+
+
+#endif
     // !wxUSE_GENERICDATAVIEWCTRL
 
 #endif