X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0cdbed4cfa4ff6fec0c71c4aedba69b4e0d457c9..abd474ea63667f727940a009cc3e0b23ba9f418f:/src/common/datavcmn.cpp?ds=sidebyside

diff --git a/src/common/datavcmn.cpp b/src/common/datavcmn.cpp
index 6628437655..c5540283fc 100644
--- a/src/common/datavcmn.cpp
+++ b/src/common/datavcmn.cpp
@@ -32,18 +32,60 @@
 
 const char wxDataViewCtrlNameStr[] = "dataviewCtrl";
 
+namespace
+{
 
-bool operator == (const wxDataViewItem &left, const wxDataViewItem &right)
+// Custom handler pushed on top of the edit control used by wxDataViewCtrl to
+// forward some events to the main control itself.
+class wxDataViewEditorCtrlEvtHandler: public wxEvtHandler
 {
-    return (left.GetID() == right.GetID() );
-}
+public:
+    wxDataViewEditorCtrlEvtHandler(wxWindow *editor, wxDataViewRenderer *owner)
+    {
+        m_editorCtrl = editor;
+        m_owner = owner;
+
+        m_finished = false;
+    }
+
+    void AcceptChangesAndFinish();
+    void SetFocusOnIdle( bool focus = true ) { m_focusOnIdle = focus; }
+
+protected:
+    void OnChar( wxKeyEvent &event );
+    void OnTextEnter( wxCommandEvent &event );
+    void OnKillFocus( wxFocusEvent &event );
+    void OnIdle( wxIdleEvent &event );
+
+private:
+    wxDataViewRenderer     *m_owner;
+    wxWindow               *m_editorCtrl;
+    bool                    m_finished;
+    bool                    m_focusOnIdle;
 
-#ifdef __WXDEBUG__
-void wxDataViewItem::Print(const wxString& text) const
+private:
+    DECLARE_EVENT_TABLE()
+};
+
+} // anonymous namespace
+
+// ---------------------------------------------------------
+// wxDataViewItemAttr
+// ---------------------------------------------------------
+
+wxFont wxDataViewItemAttr::GetEffectiveFont(const wxFont& font) const
 {
-    wxPrintf(wxT("item %s: %lu\n"), text.GetData(), wxPtrToUInt(m_id));
+    if ( !HasFont() )
+        return font;
+
+    wxFont f(font);
+    if ( GetBold() )
+        f.MakeBold();
+    if ( GetItalic() )
+        f.MakeItalic();
+    return f;
 }
-#endif
+
 
 // ---------------------------------------------------------
 // wxDataViewModelNotifier
@@ -211,6 +253,36 @@ bool wxDataViewModel::Cleared()
     return ret;
 }
 
+bool wxDataViewModel::BeforeReset()
+{
+    bool ret = true;
+
+    wxDataViewModelNotifiers::iterator iter;
+    for (iter = m_notifiers.begin(); iter != m_notifiers.end(); ++iter)
+    {
+        wxDataViewModelNotifier* notifier = *iter;
+        if (!notifier->BeforeReset())
+            ret = false;
+    }
+
+    return ret;
+}
+
+bool wxDataViewModel::AfterReset()
+{
+    bool ret = true;
+
+    wxDataViewModelNotifiers::iterator iter;
+    for (iter = m_notifiers.begin(); iter != m_notifiers.end(); ++iter)
+    {
+        wxDataViewModelNotifier* notifier = *iter;
+        if (!notifier->AfterReset())
+            ret = false;
+    }
+
+    return ret;
+}
+
 void wxDataViewModel::Resort()
 {
     wxDataViewModelNotifiers::iterator iter;
@@ -233,7 +305,7 @@ void wxDataViewModel::RemoveNotifier( wxDataViewModelNotifier *notifier )
 }
 
 int wxDataViewModel::Compare( const wxDataViewItem &item1, const wxDataViewItem &item2,
-                              unsigned int column, bool ascending )
+                              unsigned int column, bool ascending ) const
 {
     // sort branches before leaves
     bool item1_is_container = IsContainer(item1);
@@ -287,7 +359,7 @@ int wxDataViewModel::Compare( const wxDataViewItem &item1, const wxDataViewItem
         if (dt1.IsEarlierThan(dt2))
             return 1;
         if (dt2.IsEarlierThan(dt1))
-            return -11;
+            return -1;
     }
 
     // items must be different
@@ -315,16 +387,14 @@ wxDataViewIndexListModel::wxDataViewIndexListModel( unsigned int initial_size )
     // build initial index
     unsigned int i;
     for (i = 1; i < initial_size+1; i++)
-            m_hash.Add( wxUIntToPtr(i) );
-    m_lastIndex = initial_size + 1;
-}
-
-wxDataViewIndexListModel::~wxDataViewIndexListModel()
-{
+            m_hash.Add( wxDataViewItem(wxUIntToPtr(i)) );
+    m_nextFreeID = initial_size + 1;
 }
 
 void wxDataViewIndexListModel::Reset( unsigned int new_size )
 {
+    /* wxDataViewModel:: */ BeforeReset();
+
     m_hash.Clear();
 
     // IDs are ordered until an item gets deleted or inserted
@@ -333,37 +403,45 @@ void wxDataViewIndexListModel::Reset( unsigned int new_size )
     // build initial index
     unsigned int i;
     for (i = 1; i < new_size+1; i++)
-            m_hash.Add( wxUIntToPtr(i) );
-    m_lastIndex = new_size + 1;
+            m_hash.Add( wxDataViewItem(wxUIntToPtr(i)) );
+
+    m_nextFreeID = new_size + 1;
 
-    wxDataViewModel::Cleared();
+    /* wxDataViewModel:: */ AfterReset();
 }
 
 void wxDataViewIndexListModel::RowPrepended()
 {
     m_ordered = false;
 
-    unsigned int id = m_lastIndex++;
-    m_hash.Insert( wxUIntToPtr(id), 0 );
+    unsigned int id = m_nextFreeID;
+    m_nextFreeID++;
+
     wxDataViewItem item( wxUIntToPtr(id) );
+    m_hash.Insert( item, 0 );
     ItemAdded( wxDataViewItem(0), item );
+
 }
 
 void wxDataViewIndexListModel::RowInserted( unsigned int before )
 {
     m_ordered = false;
 
-    unsigned int id = m_lastIndex++;
-    m_hash.Insert( wxUIntToPtr(id), before );
+    unsigned int id = m_nextFreeID;
+    m_nextFreeID++;
+
     wxDataViewItem item( wxUIntToPtr(id) );
+    m_hash.Insert( item, before );
     ItemAdded( wxDataViewItem(0), item );
 }
 
 void wxDataViewIndexListModel::RowAppended()
 {
-    unsigned int id = m_lastIndex++;
-    m_hash.Add( wxUIntToPtr(id) );
+    unsigned int id = m_nextFreeID;
+    m_nextFreeID++;
+
     wxDataViewItem item( wxUIntToPtr(id) );
+    m_hash.Add( item );
     ItemAdded( wxDataViewItem(0), item );
 }
 
@@ -372,7 +450,7 @@ void wxDataViewIndexListModel::RowDeleted( unsigned int row )
     m_ordered = false;
 
     wxDataViewItem item( m_hash[row] );
-    wxDataViewModel::ItemDeleted( wxDataViewItem(0), item );
+    /* wxDataViewModel:: */ ItemDeleted( wxDataViewItem(0), item );
     m_hash.RemoveAt( row );
 }
 
@@ -390,7 +468,7 @@ void wxDataViewIndexListModel::RowsDeleted( const wxArrayInt &rows )
             wxDataViewItem item( m_hash[rows[i]] );
             array.Add( item );
     }
-    wxDataViewModel::ItemsDeleted( wxDataViewItem(0), array );
+    /* wxDataViewModel:: */ ItemsDeleted( wxDataViewItem(0), array );
 
     for (i = 0; i < sorted.GetCount(); i++)
            m_hash.RemoveAt( sorted[i] );
@@ -398,24 +476,21 @@ void wxDataViewIndexListModel::RowsDeleted( const wxArrayInt &rows )
 
 void wxDataViewIndexListModel::RowChanged( unsigned int row )
 {
-    wxDataViewModel::ItemChanged( GetItem(row) );
+    /* wxDataViewModel:: */ ItemChanged( GetItem(row) );
 }
 
 void wxDataViewIndexListModel::RowValueChanged( unsigned int row, unsigned int col )
 {
-    wxDataViewModel::ValueChanged( GetItem(row), col );
+    /* wxDataViewModel:: */ ValueChanged( GetItem(row), col );
 }
 
 unsigned int wxDataViewIndexListModel::GetRow( const wxDataViewItem &item ) const
 {
     if (m_ordered)
-    {
-            unsigned int pos = wxPtrToUInt( item.GetID() );
-            return pos-1;
-    }
+        return wxPtrToUInt(item.GetID())-1;
 
     // assert for not found
-    return (unsigned int) m_hash.Index( item.GetID() );
+    return (unsigned int) m_hash.Index( item );
 }
 
 wxDataViewItem wxDataViewIndexListModel::GetItem( unsigned int row ) const
@@ -432,12 +507,12 @@ bool wxDataViewIndexListModel::HasDefaultCompare() const
 int wxDataViewIndexListModel::Compare(const wxDataViewItem& item1,
                                       const wxDataViewItem& item2,
                                       unsigned int WXUNUSED(column),
-                                      bool ascending)
+                                      bool ascending) const
 {
     if (m_ordered)
     {
-        unsigned int pos1 = wxPtrToUInt(item1.GetID());
-        unsigned int pos2 = wxPtrToUInt(item2.GetID());
+        unsigned int pos1 = wxPtrToUInt(item1.GetID());  // -1 not needed here
+        unsigned int pos2 = wxPtrToUInt(item2.GetID());  // -1 not needed here
 
         if (ascending)
             return pos1 - pos2;
@@ -451,37 +526,6 @@ int wxDataViewIndexListModel::Compare(const wxDataViewItem& item1,
     return GetRow(item2) - GetRow(item1);
 }
 
-void wxDataViewIndexListModel::GetValue( wxVariant &variant,
-                           const wxDataViewItem &item, unsigned int col ) const
-{
-    GetValueByRow( variant, GetRow(item), col );
-}
-
-bool wxDataViewIndexListModel::SetValue( const wxVariant &variant,
-                           const wxDataViewItem &item, unsigned int col )
-{
-    return SetValueByRow( variant, GetRow(item), col );
-}
-
-bool wxDataViewIndexListModel::GetAttr( const wxDataViewItem &item, unsigned int col, wxDataViewItemAttr &attr )
-{
-    return GetAttrByRow( GetRow(item), col, attr );
-}
-
-wxDataViewItem wxDataViewIndexListModel::GetParent( const wxDataViewItem & WXUNUSED(item) ) const
-{
-    return wxDataViewItem(0);
-}
-
-bool wxDataViewIndexListModel::IsContainer( const wxDataViewItem &item ) const
-{
-    // only the invisible root item has children
-    if (!item.IsOk())
-        return true;
-
-    return false;
-}
-
 unsigned int wxDataViewIndexListModel::GetChildren( const wxDataViewItem &item, wxDataViewItemArray &children ) const
 {
     if (item.IsOk())
@@ -500,50 +544,50 @@ unsigned int wxDataViewIndexListModel::GetChildren( const wxDataViewItem &item,
 
 wxDataViewVirtualListModel::wxDataViewVirtualListModel( unsigned int initial_size )
 {
-    m_lastIndex = initial_size-1;
-}
-
-wxDataViewVirtualListModel::~wxDataViewVirtualListModel()
-{
+    m_size = initial_size;
 }
 
 void wxDataViewVirtualListModel::Reset( unsigned int new_size )
 {
-    m_lastIndex = new_size-1;
+    /* wxDataViewModel:: */ BeforeReset();
 
-    wxDataViewModel::Cleared();
+    m_size = new_size;
+
+    /* wxDataViewModel:: */ AfterReset();
 }
 
 void wxDataViewVirtualListModel::RowPrepended()
 {
-    m_lastIndex++;
-    wxDataViewItem item( NULL );
+    m_size++;
+    wxDataViewItem item( wxUIntToPtr(1) );
     ItemAdded( wxDataViewItem(0), item );
 }
 
 void wxDataViewVirtualListModel::RowInserted( unsigned int before )
 {
-    m_lastIndex++;
-    wxDataViewItem item( wxUIntToPtr(before) );
+    m_size++;
+    wxDataViewItem item( wxUIntToPtr(before+1) );
     ItemAdded( wxDataViewItem(0), item );
 }
 
 void wxDataViewVirtualListModel::RowAppended()
 {
-    m_lastIndex++;
-    wxDataViewItem item( wxUIntToPtr(m_lastIndex) );
+    m_size++;
+    wxDataViewItem item( wxUIntToPtr(m_size) );
     ItemAdded( wxDataViewItem(0), item );
 }
 
 void wxDataViewVirtualListModel::RowDeleted( unsigned int row )
 {
-    wxDataViewItem item( wxUIntToPtr(row) );
-    wxDataViewModel::ItemDeleted( wxDataViewItem(0), item );
-    m_lastIndex++;
+    m_size--;
+    wxDataViewItem item( wxUIntToPtr(row+1) );
+    /* wxDataViewModel:: */ ItemDeleted( wxDataViewItem(0), item );
 }
 
 void wxDataViewVirtualListModel::RowsDeleted( const wxArrayInt &rows )
 {
+    m_size -= rows.GetCount();
+
     wxArrayInt sorted = rows;
     sorted.Sort( my_sort );
 
@@ -551,32 +595,30 @@ void wxDataViewVirtualListModel::RowsDeleted( const wxArrayInt &rows )
     unsigned int i;
     for (i = 0; i < sorted.GetCount(); i++)
     {
-            wxDataViewItem item( wxUIntToPtr(sorted[i]) );
-            array.Add( item );
+        wxDataViewItem item( wxUIntToPtr(sorted[i]+1) );
+        array.Add( item );
     }
-    wxDataViewModel::ItemsDeleted( wxDataViewItem(0), array );
-
-    m_lastIndex -= rows.GetCount();
+    /* wxDataViewModel:: */ ItemsDeleted( wxDataViewItem(0), array );
 }
 
 void wxDataViewVirtualListModel::RowChanged( unsigned int row )
 {
-    wxDataViewModel::ItemChanged( GetItem(row) );
+    /* wxDataViewModel:: */ ItemChanged( GetItem(row) );
 }
 
 void wxDataViewVirtualListModel::RowValueChanged( unsigned int row, unsigned int col )
 {
-    wxDataViewModel::ValueChanged( GetItem(row), col );
+    /* wxDataViewModel:: */ ValueChanged( GetItem(row), col );
 }
 
 unsigned int wxDataViewVirtualListModel::GetRow( const wxDataViewItem &item ) const
 {
-    return wxPtrToUInt( item.GetID() );
+    return wxPtrToUInt( item.GetID() ) -1;
 }
 
 wxDataViewItem wxDataViewVirtualListModel::GetItem( unsigned int row ) const
 {
-    return wxDataViewItem( wxUIntToPtr(row)  );
+    return wxDataViewItem( wxUIntToPtr(row+1) );
 }
 
 bool wxDataViewVirtualListModel::HasDefaultCompare() const
@@ -587,10 +629,10 @@ bool wxDataViewVirtualListModel::HasDefaultCompare() const
 int wxDataViewVirtualListModel::Compare(const wxDataViewItem& item1,
                                       const wxDataViewItem& item2,
                                       unsigned int WXUNUSED(column),
-                                      bool ascending)
+                                      bool ascending) const
 {
-    unsigned int pos1 = wxPtrToUInt(item1.GetID());
-    unsigned int pos2 = wxPtrToUInt(item2.GetID());
+    unsigned int pos1 = wxPtrToUInt(item1.GetID());  // -1 not needed here
+    unsigned int pos2 = wxPtrToUInt(item2.GetID());  // -1 not needed here
 
     if (ascending)
        return pos1 - pos2;
@@ -598,37 +640,6 @@ int wxDataViewVirtualListModel::Compare(const wxDataViewItem& item1,
        return pos2 - pos1;
 }
 
-void wxDataViewVirtualListModel::GetValue( wxVariant &variant,
-                           const wxDataViewItem &item, unsigned int col ) const
-{
-    GetValueByRow( variant, GetRow(item), col );
-}
-
-bool wxDataViewVirtualListModel::SetValue( const wxVariant &variant,
-                           const wxDataViewItem &item, unsigned int col )
-{
-    return SetValueByRow( variant, GetRow(item), col );
-}
-
-bool wxDataViewVirtualListModel::GetAttr( const wxDataViewItem &item, unsigned int col, wxDataViewItemAttr &attr )
-{
-    return GetAttrByRow( GetRow(item), col, attr );
-}
-
-wxDataViewItem wxDataViewVirtualListModel::GetParent( const wxDataViewItem & WXUNUSED(item) ) const
-{
-    return wxDataViewItem(0);
-}
-
-bool wxDataViewVirtualListModel::IsContainer( const wxDataViewItem &item ) const
-{
-    // only the invisible root item has children
-    if (!item.IsOk())
-        return true;
-
-    return false;
-}
-
 unsigned int wxDataViewVirtualListModel::GetChildren( const wxDataViewItem &WXUNUSED(item), wxDataViewItemArray &WXUNUSED(children) ) const
 {
     return 0;  // should we report an error ?
@@ -644,13 +655,6 @@ IMPLEMENT_DYNAMIC_CLASS(wxDataViewIconText,wxObject)
 
 IMPLEMENT_VARIANT_OBJECT_EXPORTED(wxDataViewIconText, WXDLLIMPEXP_ADV)
 
-bool operator == (const wxDataViewIconText &one, const wxDataViewIconText &two)
-{
-    if (one.GetText() != two.GetText()) return false;
-    if (one.IsSameAs(two)) return false;
-    return true;
-}
-
 // ---------------------------------------------------------
 // wxDataViewRendererBase
 // ---------------------------------------------------------
@@ -674,28 +678,31 @@ const wxDataViewCtrl* wxDataViewRendererBase::GetView() const
     return const_cast<wxDataViewRendererBase*>(this)->GetOwner()->GetOwner();
 }
 
-class wxKillRef: public wxWindowRef
-{
-public:
-   wxKillRef( wxWindow *win ) : wxWindowRef( win ) { }
-   virtual void OnObjectDestroy()
-   {
-      get()->PopEventHandler( true );
-      m_pobj = NULL;
-      delete this;
-   }
-};
-
 bool wxDataViewRendererBase::StartEditing( const wxDataViewItem &item, wxRect labelRect )
 {
+    wxDataViewCtrl* dv_ctrl = GetOwner()->GetOwner();
+
+    // Before doing anything we send an event asking if editing of this item is really wanted.
+    wxDataViewEvent start_event( wxEVT_COMMAND_DATAVIEW_ITEM_START_EDITING, dv_ctrl->GetId() );
+    start_event.SetDataViewColumn( GetOwner() );
+    start_event.SetModel( dv_ctrl->GetModel() );
+    start_event.SetItem( item );
+    start_event.SetEventObject( dv_ctrl );
+    dv_ctrl->GetEventHandler()->ProcessEvent( start_event );
+    if( !start_event.IsAllowed() )
+        return false;
+
     m_item = item; // remember for later
 
     unsigned int col = GetOwner()->GetModelColumn();
     wxVariant value;
-    GetOwner()->GetOwner()->GetModel()->GetValue( value, item, col );
+    dv_ctrl->GetModel()->GetValue( value, item, col );
+
+    m_editorCtrl = CreateEditorCtrl( dv_ctrl->GetMainWindow(), labelRect, value );
 
-    m_editorCtrl = CreateEditorCtrl( GetOwner()->GetOwner()->GetMainWindow(), labelRect, value );
-    (void) new wxKillRef( m_editorCtrl.get() );
+    // there might be no editor control for the given item
+    if(!m_editorCtrl)
+        return false;
 
     wxDataViewEditorCtrlEvtHandler *handler =
         new wxDataViewEditorCtrlEvtHandler( m_editorCtrl, (wxDataViewRenderer*) this );
@@ -709,52 +716,215 @@ bool wxDataViewRendererBase::StartEditing( const wxDataViewItem &item, wxRect la
 #endif
 
     // Now we should send Editing Started event
-    wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_STARTED, GetOwner()->GetOwner()->GetId() );
+    wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_STARTED, dv_ctrl->GetId() );
     event.SetDataViewColumn( GetOwner() );
-    event.SetModel( GetOwner()->GetOwner()->GetModel() );
+    event.SetModel( dv_ctrl->GetModel() );
     event.SetItem( item );
-    GetOwner()->GetOwner()->GetEventHandler()->ProcessEvent( event );
+    event.SetEventObject( dv_ctrl );
+    dv_ctrl->GetEventHandler()->ProcessEvent( event );
 
     return true;
 }
 
-void wxDataViewRendererBase::CancelEditing()
+void wxDataViewRendererBase::DestroyEditControl()
 {
-    if (!m_editorCtrl) return;
-
-    GetOwner()->GetOwner()->GetMainWindow()->SetFocus();
+    // Remove our event handler first to prevent it from (recursively) calling
+    // us again as it would do via a call to FinishEditing() when the editor
+    // loses focus when we hide it below.
+    wxEvtHandler * const handler = m_editorCtrl->PopEventHandler();
 
+    // Hide the control immediately but don't delete it yet as there could be
+    // some pending messages for it.
     m_editorCtrl->Hide();
-    wxPendingDelete.Append( m_editorCtrl );
+
+    wxPendingDelete.Append(handler);
+    wxPendingDelete.Append(m_editorCtrl);
+}
+
+void wxDataViewRendererBase::CancelEditing()
+{
+    if (!m_editorCtrl)
+        return;
+
+    DestroyEditControl();
 }
 
 bool wxDataViewRendererBase::FinishEditing()
 {
-    if (!m_editorCtrl) return true;
+    if (!m_editorCtrl)
+        return true;
 
     wxVariant value;
     GetValueFromEditorCtrl( m_editorCtrl, value );
 
-    GetOwner()->GetOwner()->GetMainWindow()->SetFocus();
+    wxDataViewCtrl* dv_ctrl = GetOwner()->GetOwner();
 
-    m_editorCtrl->Hide();
-    wxPendingDelete.Append( m_editorCtrl );
+    dv_ctrl->GetMainWindow()->SetFocus();
 
-    if (!Validate(value))
-        return false;
+    DestroyEditControl();
 
+    bool isValid = Validate(value);
     unsigned int col = GetOwner()->GetModelColumn();
-    GetOwner()->GetOwner()->GetModel()->SetValue( value, m_item, col );
-    GetOwner()->GetOwner()->GetModel()->ValueChanged( m_item, col );
 
     // Now we should send Editing Done event
-    wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_DONE, GetOwner()->GetOwner()->GetId() );
+    wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_DONE, dv_ctrl->GetId() );
     event.SetDataViewColumn( GetOwner() );
-    event.SetModel( GetOwner()->GetOwner()->GetModel() );
+    event.SetModel( dv_ctrl->GetModel() );
     event.SetItem( m_item );
-    GetOwner()->GetOwner()->GetEventHandler()->ProcessEvent( event );
+    event.SetValue( value );
+    event.SetColumn( col );
+    event.SetEditCanceled( !isValid );
+    event.SetEventObject( dv_ctrl );
+    dv_ctrl->GetEventHandler()->ProcessEvent( event );
 
-    return true;
+    if ( isValid && event.IsAllowed() )
+    {
+        dv_ctrl->GetModel()->ChangeValue(value, m_item, col);
+        return true;
+    }
+
+    return false;
+}
+
+void wxDataViewRendererBase::PrepareForItem(const wxDataViewModel *model,
+                                            const wxDataViewItem& item,
+                                            unsigned column)
+{
+    wxVariant value;
+    model->GetValue(value, item, column);
+    SetValue(value);
+
+    wxDataViewItemAttr attr;
+    model->GetAttr(item, column, attr);
+    SetAttr(attr);
+
+    SetEnabled(model->IsEnabled(item, column));
+}
+
+
+// ----------------------------------------------------------------------------
+// wxDataViewCustomRendererBase
+// ----------------------------------------------------------------------------
+
+void
+wxDataViewCustomRendererBase::WXCallRender(wxRect rectCell, wxDC *dc, int state)
+{
+    wxCHECK_RET( dc, "no DC to draw on in custom renderer?" );
+
+    // adjust the rectangle ourselves to account for the alignment
+    wxRect rectItem = rectCell;
+    const int align = GetAlignment();
+    if ( align != wxDVR_DEFAULT_ALIGNMENT )
+    {
+        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 >= 0 && size.x < rectCell.width )
+        {
+            if ( align & wxALIGN_CENTER_HORIZONTAL )
+                rectItem.x += (rectCell.width - size.x)/2;
+            else if ( align & wxALIGN_RIGHT )
+                rectItem.x += rectCell.width - size.x;
+            // else: wxALIGN_LEFT is the default
+
+            rectItem.width = size.x;
+        }
+
+        if ( size.y >= 0 && size.y < rectCell.height )
+        {
+            if ( align & wxALIGN_CENTER_VERTICAL )
+                rectItem.y += (rectCell.height - size.y)/2;
+            else if ( align & wxALIGN_BOTTOM )
+                rectItem.y += rectCell.height - size.y;
+            // else: wxALIGN_TOP is the default
+
+            rectItem.height = size.y;
+        }
+    }
+
+
+    // set up the DC attributes
+
+    // override custom foreground with the standard one for the selected items
+    // because we currently don't allow changing the selection background and
+    // custom colours may be unreadable on it
+    wxColour col;
+    if ( state & wxDATAVIEW_CELL_SELECTED )
+        col = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
+    else if ( m_attr.HasColour() )
+        col = m_attr.GetColour();
+    else // use default foreground
+        col = GetOwner()->GetOwner()->GetForegroundColour();
+
+    wxDCTextColourChanger changeFg(*dc, col);
+
+    wxDCFontChanger changeFont(*dc);
+    if ( m_attr.HasFont() )
+        changeFont.Set(m_attr.GetEffectiveFont(dc->GetFont()));
+
+    Render(rectItem, dc, state);
+}
+
+wxSize wxDataViewCustomRendererBase::GetTextExtent(const wxString& str) const
+{
+    const wxDataViewCtrl *view = GetView();
+
+    if ( m_attr.HasFont() )
+    {
+        wxFont font(m_attr.GetEffectiveFont(view->GetFont()));
+        wxSize size;
+        view->GetTextExtent(str, &size.x, &size.y, NULL, NULL, &font);
+        return size;
+    }
+    else
+    {
+        return view->GetTextExtent(str);
+    }
+}
+
+void
+wxDataViewCustomRendererBase::RenderText(const wxString& text,
+                                         int xoffset,
+                                         wxRect rect,
+                                         wxDC *dc,
+                                         int WXUNUSED(state))
+{
+    wxRect rectText = rect;
+    rectText.x += xoffset;
+    rectText.width -= xoffset;
+
+    // check if we want to ellipsize the text if it doesn't fit
+    wxString ellipsizedText;
+    if ( GetEllipsizeMode() != wxELLIPSIZE_NONE )
+    {
+        ellipsizedText = wxControl::Ellipsize
+                                    (
+                                        text,
+                                        *dc,
+                                        GetEllipsizeMode(),
+                                        rectText.width,
+                                        wxELLIPSIZE_FLAGS_NONE
+                                    );
+    }
+
+    // get the alignment to use
+    int align = GetAlignment();
+    if ( align == wxDVR_DEFAULT_ALIGNMENT )
+    {
+        // if we don't have an explicit alignment ourselves, use that of the
+        // column in horizontal direction and default vertical alignment
+        align = GetOwner()->GetAlignment() | wxALIGN_CENTRE_VERTICAL;
+    }
+
+    dc->DrawLabel(ellipsizedText.empty() ? text : ellipsizedText,
+                  rectText, align);
 }
 
 //-----------------------------------------------------------------------------
@@ -768,16 +938,6 @@ BEGIN_EVENT_TABLE(wxDataViewEditorCtrlEvtHandler, wxEvtHandler)
     EVT_TEXT_ENTER     (-1, wxDataViewEditorCtrlEvtHandler::OnTextEnter)
 END_EVENT_TABLE()
 
-wxDataViewEditorCtrlEvtHandler::wxDataViewEditorCtrlEvtHandler(
-                                wxControl *editorCtrl,
-                                wxDataViewRenderer *owner )
-{
-    m_owner = owner;
-    m_editorCtrl = editorCtrl;
-
-    m_finished = false;
-}
-
 void wxDataViewEditorCtrlEvtHandler::OnIdle( wxIdleEvent &event )
 {
     if (m_focusOnIdle)
@@ -894,16 +1054,6 @@ const wxDataViewModel* wxDataViewCtrlBase::GetModel() const
     return m_model;
 }
 
-bool wxDataViewCtrlBase::EnableDragSource( const wxDataFormat &WXUNUSED(format) )
-{
-    return false;
-}
-
-bool wxDataViewCtrlBase::EnableDropTarget( const wxDataFormat &WXUNUSED(format) )
-{
-    return false;
-}
-
 void wxDataViewCtrlBase::ExpandAncestors( const wxDataViewItem & item )
 {
     if (!m_model) return;
@@ -928,6 +1078,22 @@ void wxDataViewCtrlBase::ExpandAncestors( const wxDataViewItem & item )
     }
 }
 
+wxDataViewItem wxDataViewCtrlBase::GetCurrentItem() const
+{
+    return HasFlag(wxDV_MULTIPLE) ? DoGetCurrentItem()
+                                  : GetSelection();
+}
+
+void wxDataViewCtrlBase::SetCurrentItem(const wxDataViewItem& item)
+{
+    wxCHECK_RET( item.IsOk(), "Can't make current an invalid item." );
+
+    if ( HasFlag(wxDV_MULTIPLE) )
+        DoSetCurrentItem(item);
+    else
+        Select(item);
+}
+
 wxDataViewColumn *
 wxDataViewCtrlBase::AppendTextColumn( const wxString &label, unsigned int model_column,
                             wxDataViewCellMode mode, int width, wxAlignment align, int flags )
@@ -1220,27 +1386,32 @@ wxDataViewCtrlBase::InsertColumn( unsigned int WXUNUSED(pos), wxDataViewColumn *
 
 IMPLEMENT_DYNAMIC_CLASS(wxDataViewEvent,wxNotifyEvent)
 
-wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, wxDataViewEvent )
+wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, wxDataViewEvent );
+
+wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, wxDataViewEvent );
+wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING, wxDataViewEvent );
+wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED, wxDataViewEvent );
+wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, wxDataViewEvent );
+wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED, wxDataViewEvent );
+wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_STARTED, wxDataViewEvent );
+wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_ITEM_START_EDITING, wxDataViewEvent );
+wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_DONE, wxDataViewEvent );
+wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, wxDataViewEvent );
 
-wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, wxDataViewEvent )
-wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING, wxDataViewEvent )
-wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED, wxDataViewEvent )
-wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, wxDataViewEvent )
-wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED, wxDataViewEvent )
-wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_STARTED, wxDataViewEvent )
-wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_DONE, wxDataViewEvent )
-wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, wxDataViewEvent )
+wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, wxDataViewEvent );
 
-wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, wxDataViewEvent )
+wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, wxDataViewEvent );
+wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK, wxDataViewEvent );
+wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED, wxDataViewEvent );
+wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_COLUMN_REORDERED, wxDataViewEvent );
+
+wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_CACHE_HINT, wxDataViewEvent );
+
+wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, wxDataViewEvent );
+wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, wxDataViewEvent );
+wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, wxDataViewEvent );
 
-wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, wxDataViewEvent )
-wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK, wxDataViewEvent )
-wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED, wxDataViewEvent )
-wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_COLUMN_REORDERED, wxDataViewEvent )
 
-wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, wxDataViewEvent )
-wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, wxDataViewEvent )
-wxDEFINE_EVENT( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, wxDataViewEvent )
 
 // -------------------------------------
 // wxDataViewSpinRenderer
@@ -1253,7 +1424,7 @@ wxDataViewSpinRenderer::wxDataViewSpinRenderer( int min, int max, wxDataViewCell
     m_max = max;
 }
 
-wxControl* wxDataViewSpinRenderer::CreateEditorCtrl( wxWindow *parent, wxRect labelRect, const wxVariant &value )
+wxWindow* wxDataViewSpinRenderer::CreateEditorCtrl( wxWindow *parent, wxRect labelRect, const wxVariant &value )
 {
     long l = value;
     wxSize size = labelRect.GetSize();
@@ -1273,7 +1444,7 @@ wxControl* wxDataViewSpinRenderer::CreateEditorCtrl( wxWindow *parent, wxRect la
     return sc;
 }
 
-bool wxDataViewSpinRenderer::GetValueFromEditorCtrl( wxControl* editor, wxVariant &value )
+bool wxDataViewSpinRenderer::GetValueFromEditorCtrl( wxWindow* editor, wxVariant &value )
 {
     wxSpinCtrl *sc = (wxSpinCtrl*) editor;
     long l = sc->GetValue();
@@ -1291,7 +1462,15 @@ bool wxDataViewSpinRenderer::Render( wxRect rect, wxDC *dc, int state )
 
 wxSize wxDataViewSpinRenderer::GetSize() const
 {
-    return wxSize(80,16);
+    wxSize sz = GetTextExtent(wxString::Format("%d", (int)m_data));
+
+    // Allow some space for the spin buttons, which is approximately the size
+    // of a scrollbar (and getting pixel-exact value would be complicated).
+    // Also add some whitespace between the text and the button:
+    sz.x += wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
+    sz.x += GetTextExtent("M").x;
+
+    return sz;
 }
 
 bool wxDataViewSpinRenderer::SetValue( const wxVariant &value )
@@ -1310,7 +1489,7 @@ bool wxDataViewSpinRenderer::GetValue( wxVariant &value ) const
 // wxDataViewChoiceRenderer
 // -------------------------------------
 
-#if defined(wxHAS_GENERIC_DATAVIEWCTRL) || defined(__WXMAC__)
+#if defined(wxHAS_GENERIC_DATAVIEWCTRL) || defined(__WXOSX_CARBON__)
 
 wxDataViewChoiceRenderer::wxDataViewChoiceRenderer( const wxArrayString& choices, wxDataViewCellMode mode, int alignment ) :
    wxDataViewCustomRenderer(wxT("string"), mode, alignment )
@@ -1318,20 +1497,22 @@ wxDataViewChoiceRenderer::wxDataViewChoiceRenderer( const wxArrayString& choices
     m_choices = choices;
 }
 
-wxControl* wxDataViewChoiceRenderer::CreateEditorCtrl( wxWindow *parent, wxRect labelRect, const wxVariant &value )
+wxWindow* wxDataViewChoiceRenderer::CreateEditorCtrl( wxWindow *parent, wxRect labelRect, const wxVariant &value )
 {
-    wxString s = value;
-    wxSize size = labelRect.GetSize();
-#ifdef __WXMAC__
-    size = wxSize( wxMax(70,labelRect.width ), -1 );
-#endif
-    wxChoice *c = new wxChoice( parent, wxID_ANY, labelRect.GetTopLeft(), size, m_choices );
+    wxChoice* c = new wxChoice
+                      (
+                          parent,
+                          wxID_ANY,
+                          labelRect.GetTopLeft(),
+                          wxSize(labelRect.GetWidth(), -1),
+                          m_choices
+                      );
+    c->Move(labelRect.GetRight() - c->GetRect().width, wxDefaultCoord);
     c->SetStringSelection( value.GetString() );
-
     return c;
 }
 
-bool wxDataViewChoiceRenderer::GetValueFromEditorCtrl( wxControl* editor, wxVariant &value )
+bool wxDataViewChoiceRenderer::GetValueFromEditorCtrl( wxWindow* editor, wxVariant &value )
 {
     wxChoice *c = (wxChoice*) editor;
     wxString s = c->GetStringSelection();
@@ -1347,7 +1528,18 @@ bool wxDataViewChoiceRenderer::Render( wxRect rect, wxDC *dc, int state )
 
 wxSize wxDataViewChoiceRenderer::GetSize() const
 {
-    return wxSize(80,16);
+    wxSize sz;
+
+    for ( wxArrayString::const_iterator i = m_choices.begin(); i != m_choices.end(); ++i )
+        sz.IncTo(GetTextExtent(*i));
+
+    // Allow some space for the right-side button, which is approximately the
+    // size of a scrollbar (and getting pixel-exact value would be complicated).
+    // Also add some whitespace between the text and the button:
+    sz.x += wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
+    sz.x += GetTextExtent("M").x;
+
+    return sz;
 }
 
 bool wxDataViewChoiceRenderer::SetValue( const wxVariant &value )
@@ -1362,6 +1554,49 @@ bool wxDataViewChoiceRenderer::GetValue( wxVariant &value ) const
     return true;
 }
 
+// ----------------------------------------------------------------------------
+// wxDataViewChoiceByIndexRenderer
+// ----------------------------------------------------------------------------
+
+wxDataViewChoiceByIndexRenderer::wxDataViewChoiceByIndexRenderer( const wxArrayString &choices,
+                                  wxDataViewCellMode mode, int alignment ) :
+      wxDataViewChoiceRenderer( choices, mode, alignment )
+{
+}
+
+wxWindow* wxDataViewChoiceByIndexRenderer::CreateEditorCtrl( wxWindow *parent, wxRect labelRect, const wxVariant &value )
+{
+    wxVariant string_value = GetChoice( value.GetLong() );
+
+    return wxDataViewChoiceRenderer::CreateEditorCtrl( parent, labelRect, string_value );
+}
+
+bool wxDataViewChoiceByIndexRenderer::GetValueFromEditorCtrl( wxWindow* editor, wxVariant &value )
+{
+    wxVariant string_value;
+    if (!wxDataViewChoiceRenderer::GetValueFromEditorCtrl( editor, string_value ))
+        return false;
+
+    value = (long) GetChoices().Index( string_value.GetString() );
+    return true;
+}
+
+bool wxDataViewChoiceByIndexRenderer::SetValue( const wxVariant &value )
+{
+    wxVariant string_value = GetChoice( value.GetLong() );
+    return wxDataViewChoiceRenderer::SetValue( string_value );
+}
+
+bool wxDataViewChoiceByIndexRenderer::GetValue( wxVariant &value ) const
+{
+    wxVariant string_value;
+    if (!wxDataViewChoiceRenderer::GetValue( string_value ))
+        return false;
+
+    value = (long) GetChoices().Index( string_value.GetString() );
+    return true;
+}
+
 #endif
 
 //-----------------------------------------------------------------------------
@@ -1425,7 +1660,8 @@ void wxDataViewListStore::PrependItem( const wxVector<wxVariant> &values, wxClie
     RowPrepended();
 }
 
-void wxDataViewListStore::InsertItem(  unsigned int row, const wxVector<wxVariant> &values, wxClientData *data )
+void wxDataViewListStore::InsertItem(  unsigned int row, const wxVector<wxVariant> &values,
+                                       wxClientData *data )
 {
     wxDataViewListStoreLine *line = new wxDataViewListStoreLine( data );
     line->m_values = values;
@@ -1434,9 +1670,10 @@ void wxDataViewListStore::InsertItem(  unsigned int row, const wxVector<wxVarian
     RowInserted( row );
 }
 
-void wxDataViewListStore::DeleteItem( unsigned row )
+void wxDataViewListStore::DeleteItem( unsigned int row )
 {
     wxVector<wxDataViewListStoreLine*>::iterator it = m_data.begin() + row;
+    delete *it;
     m_data.erase( it );
 
     RowDeleted( row );
@@ -1451,6 +1688,8 @@ void wxDataViewListStore::DeleteAllItems()
         delete line;
     }
 
+    m_data.clear();
+
     Reset( 0 );
 }
 
@@ -1487,10 +1726,6 @@ wxDataViewListCtrl::wxDataViewListCtrl( wxWindow *parent, wxWindowID id,
            const wxValidator& validator )
 {
     Create( parent, id, pos, size, style, validator );
-
-    wxDataViewListStore *store = new wxDataViewListStore;
-    AssociateModel( store );
-    store->DecRef();
 }
 
 wxDataViewListCtrl::~wxDataViewListCtrl()
@@ -1502,7 +1737,14 @@ bool wxDataViewListCtrl::Create( wxWindow *parent, wxWindowID id,
            const wxPoint& pos, const wxSize& size, long style,
            const wxValidator& validator )
 {
-    return wxDataViewCtrl::Create( parent, id, pos, size, style, validator );
+    if ( !wxDataViewCtrl::Create( parent, id, pos, size, style, validator ) )
+        return false;
+
+    wxDataViewListStore *store = new wxDataViewListStore;
+    AssociateModel( store );
+    store->DecRef();
+
+    return true;
 }
 
 bool wxDataViewListCtrl::AppendColumn( wxDataViewColumn *column, const wxString &varianttype )
@@ -1538,7 +1780,7 @@ bool wxDataViewListCtrl::AppendColumn( wxDataViewColumn *col )
     return AppendColumn( col, "string" );
 }
 
-wxDataViewColumn *wxDataViewListCtrl::AppendTextColumn( const wxString &label, 
+wxDataViewColumn *wxDataViewListCtrl::AppendTextColumn( const wxString &label,
           wxDataViewCellMode mode, int width, wxAlignment align, int flags )
 {
     GetStore()->AppendColumn( wxT("string") );
@@ -1552,7 +1794,7 @@ wxDataViewColumn *wxDataViewListCtrl::AppendTextColumn( const wxString &label,
     return ret;
 }
 
-wxDataViewColumn *wxDataViewListCtrl::AppendToggleColumn( const wxString &label, 
+wxDataViewColumn *wxDataViewListCtrl::AppendToggleColumn( const wxString &label,
           wxDataViewCellMode mode, int width, wxAlignment align, int flags )
 {
     GetStore()->AppendColumn( wxT("bool") );
@@ -1566,7 +1808,7 @@ wxDataViewColumn *wxDataViewListCtrl::AppendToggleColumn( const wxString &label,
     return ret;
 }
 
-wxDataViewColumn *wxDataViewListCtrl::AppendProgressColumn( const wxString &label, 
+wxDataViewColumn *wxDataViewListCtrl::AppendProgressColumn( const wxString &label,
           wxDataViewCellMode mode, int width, wxAlignment align, int flags )
 {
     GetStore()->AppendColumn( wxT("long") );
@@ -1580,7 +1822,7 @@ wxDataViewColumn *wxDataViewListCtrl::AppendProgressColumn( const wxString &labe
     return ret;
 }
 
-wxDataViewColumn *wxDataViewListCtrl::AppendIconTextColumn( const wxString &label, 
+wxDataViewColumn *wxDataViewListCtrl::AppendIconTextColumn( const wxString &label,
           wxDataViewCellMode mode, int width, wxAlignment align, int flags )
 {
     GetStore()->AppendColumn( wxT("wxDataViewIconText") );
@@ -1748,6 +1990,14 @@ wxDataViewTreeStore::InsertContainer(const wxDataViewItem& parent,
     return node->GetItem();
 }
 
+bool wxDataViewTreeStore::IsContainer( const wxDataViewItem& item ) const
+{
+    wxDataViewTreeStoreNode *node = FindNode( item );
+    if (!node) return false;
+
+    return node->IsContainer();
+}
+
 wxDataViewItem wxDataViewTreeStore::GetNthChild( const wxDataViewItem& parent, unsigned int pos ) const
 {
     wxDataViewTreeStoreContainerNode *parent_node = FindContainerNode( parent );
@@ -1755,7 +2005,7 @@ wxDataViewItem wxDataViewTreeStore::GetNthChild( const wxDataViewItem& parent, u
 
     wxDataViewTreeStoreNodeList::compatibility_iterator node = parent_node->GetChildren().Item( pos );
     if (node)
-        return node->GetData();
+        return wxDataViewItem(node->GetData());
 
     return wxDataViewItem(0);
 }
@@ -1861,7 +2111,7 @@ void wxDataViewTreeStore::DeleteChildren( const wxDataViewItem& item )
 
 void wxDataViewTreeStore::DeleteAllItems()
 {
-    // TODO
+    DeleteChildren(wxDataViewItem(m_root));
 }
 
 void
@@ -1921,14 +2171,6 @@ wxDataViewItem wxDataViewTreeStore::GetParent( const wxDataViewItem &item ) cons
     return parent->GetItem();
 }
 
-bool wxDataViewTreeStore::IsContainer( const wxDataViewItem &item ) const
-{
-    wxDataViewTreeStoreNode *node = FindNode( item );
-    if (!node) return false;
-
-    return node->IsContainer();
-}
-
 unsigned int wxDataViewTreeStore::GetChildren( const wxDataViewItem &item, wxDataViewItemArray &children ) const
 {
     wxDataViewTreeStoreContainerNode *node = FindContainerNode( item );
@@ -1945,7 +2187,7 @@ unsigned int wxDataViewTreeStore::GetChildren( const wxDataViewItem &item, wxDat
 }
 
 int wxDataViewTreeStore::Compare( const wxDataViewItem &item1, const wxDataViewItem &item2,
-                         unsigned int WXUNUSED(column), bool WXUNUSED(ascending) )
+                         unsigned int WXUNUSED(column), bool WXUNUSED(ascending) ) const
 {
     wxDataViewTreeStoreNode *node1 = FindNode( item1 );
     wxDataViewTreeStoreNode *node2 = FindNode( item2 );
@@ -1964,13 +2206,13 @@ int wxDataViewTreeStore::Compare( const wxDataViewItem &item1, const wxDataViewI
         return 0;
     }
 
-    if (node1->IsContainer() && !!node2->IsContainer())
-        return 1;
-
-    if (node2->IsContainer() && !!node1->IsContainer())
+    if (node1->IsContainer() && !node2->IsContainer())
         return -1;
 
-    return parent1->GetChildren().IndexOf( node1 ) - parent1->GetChildren().IndexOf( node2 );
+    if (node2->IsContainer() && !node1->IsContainer())
+        return 1;
+
+    return parent1->GetChildren().IndexOf( node1 ) - parent2->GetChildren().IndexOf( node2 );
 }
 
 wxDataViewTreeStoreNode *wxDataViewTreeStore::FindNode( const wxDataViewItem &item ) const
@@ -2006,40 +2248,38 @@ BEGIN_EVENT_TABLE(wxDataViewTreeCtrl,wxDataViewCtrl)
    EVT_SIZE( wxDataViewTreeCtrl::OnSize )
 END_EVENT_TABLE()
 
-wxDataViewTreeCtrl::wxDataViewTreeCtrl()
+wxDataViewTreeCtrl::~wxDataViewTreeCtrl()
 {
-    m_imageList = NULL;
+    delete m_imageList;
 }
 
-wxDataViewTreeCtrl::wxDataViewTreeCtrl( wxWindow *parent, wxWindowID id,
+bool wxDataViewTreeCtrl::Create( wxWindow *parent, wxWindowID id,
            const wxPoint& pos, const wxSize& size, long style, const wxValidator& validator )
 {
-    m_imageList = NULL;
-    Create( parent, id, pos, size, style, validator );
+    if ( !wxDataViewCtrl::Create( parent, id, pos, size, style, validator ) )
+        return false;
 
+    // create the standard model and a column in the tree
     wxDataViewTreeStore *store = new wxDataViewTreeStore;
     AssociateModel( store );
     store->DecRef();
 
-    AppendIconTextColumn(wxString(),0,wxDATAVIEW_CELL_INERT,-1);
-}
+    AppendIconTextColumn
+    (
+        wxString(),                 // no label (header is not shown anyhow)
+        0,                          // the only model column
+        wxDATAVIEW_CELL_EDITABLE,
+        -1,                         // default width
+        wxALIGN_NOT,                //  and alignment
+        0                           // not resizable
+    );
 
-wxDataViewTreeCtrl::~wxDataViewTreeCtrl()
-{
-    if (m_imageList)
-        delete m_imageList;
-}
-
-bool wxDataViewTreeCtrl::Create( wxWindow *parent, wxWindowID id,
-           const wxPoint& pos, const wxSize& size, long style, const wxValidator& validator )
-{
-    return wxDataViewCtrl::Create( parent, id, pos, size, style, validator );
+    return true;
 }
 
 void wxDataViewTreeCtrl::SetImageList( wxImageList *imagelist )
 {
-    if (m_imageList)
-        delete m_imageList;
+    delete m_imageList;
 
     m_imageList = imagelist;
 }
@@ -2141,7 +2381,7 @@ wxDataViewItem wxDataViewTreeCtrl::InsertContainer( const wxDataViewItem& parent
 }
 
 void wxDataViewTreeCtrl::SetItemText( const wxDataViewItem& item, const wxString &text )
-{ 
+{
     GetStore()->SetItemText(item,text);
 
     // notify control
@@ -2149,7 +2389,7 @@ void wxDataViewTreeCtrl::SetItemText( const wxDataViewItem& item, const wxString
 }
 
 void wxDataViewTreeCtrl::SetItemIcon( const wxDataViewItem& item, const wxIcon &icon )
-{ 
+{
     GetStore()->SetItemIcon(item,icon);
 
     // notify control
@@ -2157,7 +2397,7 @@ void wxDataViewTreeCtrl::SetItemIcon( const wxDataViewItem& item, const wxIcon &
 }
 
 void wxDataViewTreeCtrl::SetItemExpandedIcon( const wxDataViewItem& item, const wxIcon &icon )
-{ 
+{
     GetStore()->SetItemExpandedIcon(item,icon);
 
     // notify control
@@ -2165,7 +2405,7 @@ void wxDataViewTreeCtrl::SetItemExpandedIcon( const wxDataViewItem& item, const
 }
 
 void wxDataViewTreeCtrl::DeleteItem( const wxDataViewItem& item )
-{ 
+{
     wxDataViewItem parent_item = GetStore()->GetParent( item );
 
     GetStore()->DeleteItem(item);
@@ -2175,7 +2415,7 @@ void wxDataViewTreeCtrl::DeleteItem( const wxDataViewItem& item )
 }
 
 void wxDataViewTreeCtrl::DeleteChildren( const wxDataViewItem& item )
-{ 
+{
     wxDataViewTreeStoreContainerNode *node = GetStore()->FindContainerNode( item );
     if (!node) return;
 
@@ -2194,7 +2434,7 @@ void wxDataViewTreeCtrl::DeleteChildren( const wxDataViewItem& item )
 }
 
 void  wxDataViewTreeCtrl::DeleteAllItems()
-{ 
+{
     GetStore()->DeleteAllItems();
 
     GetStore()->Cleared();