No changes, just use CPPUNIT_ASSERT_EQUAL() instead of CPPUNIT_ASSERT().

[wxWidgets.git] / src / gtk / dataview.cpp

diff --git a/src/gtk/dataview.cpp b/src/gtk/dataview.cpp
index f50c4fd07e899a9fc618e9a1d1a08ca609b9b72c..b664d402d58257bab1283a061a0e987901c94980 100644 (file)
--- a/src/gtk/dataview.cpp
+++ b/src/gtk/dataview.cpp
@@ -20,8 +20,6 @@
     #include "wx/log.h"
     #include "wx/dcclient.h"
     #include "wx/sizer.h"
     #include "wx/log.h"
     #include "wx/dcclient.h"
     #include "wx/sizer.h"

-    #include "wx/icon.h"
-    #include "wx/list.h"

     #include "wx/settings.h"
     #include "wx/crt.h"
 #endif
     #include "wx/settings.h"
     #include "wx/crt.h"
 #endif


@@ -35,12 +33,16 @@
 #include "wx/gtk/dc.h"
 #include "wx/gtk/dcclient.h"
 
 #include "wx/gtk/dc.h"
 #include "wx/gtk/dcclient.h"
 

+#include "wx/gtk/private/gdkconv.h"
+#include "wx/gtk/private/list.h"
+using namespace wxGTKImpl;
+
+class wxGtkDataViewModelNotifier;
+

 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 

-class wxDataViewCtrlInternal;
-
-wxDataViewCtrlInternal *g_internal = NULL;
+static wxDataViewCtrlInternal *gs_internal = NULL;

 
 class wxGtkTreeModelNode;
 
 
 class wxGtkTreeModelNode;
 


@@ -48,6 +50,166 @@ extern "C" {
 typedef struct _GtkWxTreeModel       GtkWxTreeModel;
 }
 
 typedef struct _GtkWxTreeModel       GtkWxTreeModel;
 }
 

+// ----------------------------------------------------------------------------
+// wxGtkTreePath: self-destroying GtkTreePath
+// ----------------------------------------------------------------------------
+
+// Usually this object is initialized with the associated GtkTreePath
+// immediately when it's constructed but it can also be changed later either by
+// using Assign() or by getting the pointer to the internally stored pointer
+// value using ByRef(). The latter should be avoided but is very convenient
+// when using GTK functions with GtkTreePath output parameters.
+class wxGtkTreePath
+{
+public:
+    // Ctor takes ownership of the given path and will free it if non-NULL.
+    wxGtkTreePath(GtkTreePath *path = NULL) : m_path(path) { }
+
+    // Creates a tree path for the given string path.
+    wxGtkTreePath(const gchar *strpath)
+        : m_path(gtk_tree_path_new_from_string(strpath))
+    {
+    }
+
+    // Set the stored pointer if not done by ctor.
+    void Assign(GtkTreePath *path)
+    {
+        wxASSERT_MSG( !m_path, "shouldn't be already initialized" );
+
+        m_path = path;
+    }
+
+    // Return the pointer to the internally stored pointer. This should only be
+    // used to initialize the object by passing it to some GTK function.
+    GtkTreePath **ByRef()
+    {
+        wxASSERT_MSG( !m_path, "shouldn't be already initialized" );
+
+        return &m_path;
+    }
+
+
+    operator GtkTreePath *() const { return m_path; }
+
+    ~wxGtkTreePath() { if ( m_path ) gtk_tree_path_free(m_path); }
+
+private:
+    GtkTreePath *m_path;
+
+    wxDECLARE_NO_COPY_CLASS(wxGtkTreePath);
+};
+
+// ----------------------------------------------------------------------------
+// wxGtkTreePathList: self-destroying list of GtkTreePath objects.
+// ----------------------------------------------------------------------------
+
+class wxGtkTreePathList : public wxGtkList
+{
+public:
+    // Ctor takes ownership of the list.
+    explicit wxGtkTreePathList(GList* list)
+        : wxGtkList(list)
+    {
+    }
+
+    ~wxGtkTreePathList()
+    {
+        // Delete the list contents, wxGtkList will delete the list itself.
+        g_list_foreach(m_list, (GFunc)gtk_tree_path_free, NULL);
+    }
+};
+
+// ----------------------------------------------------------------------------
+// wxGtkTreeSelectionLock: prevent selection from changing during the
+//                                 lifetime of this object
+// ----------------------------------------------------------------------------
+
+// Implementation note: it could be expected that setting the selection
+// function in this class ctor and resetting it back to the old value in its
+// dtor would work. However currently gtk_tree_selection_get_select_function()
+// can't be passed NULL (see https://bugzilla.gnome.org/show_bug.cgi?id=626276)
+// so we can't do this. Instead, we always use the selection function (which
+// imposes extra overhead, albeit minimal one, on all selection operations) and
+// just set/reset the flag telling it whether it should allow or forbid the
+// selection.
+//
+// Also notice that currently only a single object of this class may exist at
+// any given moment. It's just simpler like this and we don't need anything
+// more for now.
+
+extern "C"
+gboolean wxdataview_selection_func(GtkTreeSelection * WXUNUSED(selection),
+                                   GtkTreeModel * WXUNUSED(model),
+                                   GtkTreePath * WXUNUSED(path),
+                                   gboolean WXUNUSED(path_currently_selected),
+                                   gpointer data)
+{
+    return data == NULL;
+}
+
+class wxGtkTreeSelectionLock
+{
+public:
+    wxGtkTreeSelectionLock(GtkTreeSelection *selection)
+        : m_selection(selection)
+    {
+        wxASSERT_MSG( !ms_instance, "this class is not reentrant currently" );
+
+        ms_instance = this;
+
+        CheckCurrentSelectionFunc(NULL);
+
+        // Pass some non-NULL pointer as "data" for the callback, it doesn't
+        // matter what it is as long as it's non-NULL.
+        gtk_tree_selection_set_select_function(selection,
+                                               wxdataview_selection_func,
+                                               this,
+                                               NULL);
+    }
+
+    ~wxGtkTreeSelectionLock()
+    {
+        CheckCurrentSelectionFunc(wxdataview_selection_func);
+
+        gtk_tree_selection_set_select_function(m_selection,
+                                               wxdataview_selection_func,
+                                               NULL,
+                                               NULL);
+
+        ms_instance = NULL;
+    }
+
+private:
+    void CheckCurrentSelectionFunc(GtkTreeSelectionFunc func)
+    {
+        // We can only use gtk_tree_selection_get_select_function() with 2.14+
+        // so check for its availability both during compile- and run-time.
+#if GTK_CHECK_VERSION(2, 14, 0)
+        if ( gtk_check_version(2, 14, 0) != NULL )
+            return;
+
+        // If this assert is triggered, it means the code elsewhere has called
+        // gtk_tree_selection_set_select_function() but currently doing this
+        // breaks this class so the code here needs to be changed.
+        wxASSERT_MSG
+        (
+            gtk_tree_selection_get_select_function(m_selection) == func,
+            "selection function has changed unexpectedly, review this code!"
+        );
+#endif // GTK+ 2.14+
+
+        wxUnusedVar(func);
+    }
+
+    static wxGtkTreeSelectionLock *ms_instance;
+
+    GtkTreeSelection * const m_selection;
+
+    wxDECLARE_NO_COPY_CLASS(wxGtkTreeSelectionLock);
+};
+
+wxGtkTreeSelectionLock *wxGtkTreeSelectionLock::ms_instance = NULL;
+

 //-----------------------------------------------------------------------------
 // wxDataViewCtrlInternal
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // wxDataViewCtrlInternal
 //-----------------------------------------------------------------------------


@@ -58,9 +220,10 @@ WX_DEFINE_LIST(ItemList)
 class wxDataViewCtrlInternal
 {
 public:
 class wxDataViewCtrlInternal
 {
 public:

-    wxDataViewCtrlInternal( wxDataViewCtrl *owner, wxDataViewModel *wx_model, GtkWxTreeModel *owner );
+    wxDataViewCtrlInternal( wxDataViewCtrl *owner, wxDataViewModel *wx_model );

     ~wxDataViewCtrlInternal();
 
     ~wxDataViewCtrlInternal();
 

+    // model iface

     GtkTreeModelFlags get_flags();
     gboolean get_iter( GtkTreeIter *iter, GtkTreePath *path );
     GtkTreePath *get_path( GtkTreeIter *iter);
     GtkTreeModelFlags get_flags();
     gboolean get_iter( GtkTreeIter *iter, GtkTreePath *path );
     GtkTreePath *get_path( GtkTreeIter *iter);


@@ -71,31 +234,57 @@ public:
     gboolean iter_nth_child( GtkTreeIter *iter, GtkTreeIter *parent, gint n );
     gboolean iter_parent( GtkTreeIter *iter, GtkTreeIter *child );
 
     gboolean iter_nth_child( GtkTreeIter *iter, GtkTreeIter *parent, gint n );
     gboolean iter_parent( GtkTreeIter *iter, GtkTreeIter *child );
 

-    wxDataViewModel* GetDataViewModel() { return m_wx_model; }
-    wxDataViewCtrl* GetOwner()          { return m_owner; }
-    GtkWxTreeModel* GetGtkModel()       { return m_gtk_model; }
+    // dnd iface
+
+    bool EnableDragSource( const wxDataFormat &format );
+    bool EnableDropTarget( const wxDataFormat &format );

 
 

+    gboolean row_draggable( GtkTreeDragSource *drag_source, GtkTreePath *path );
+    gboolean drag_data_delete( GtkTreeDragSource *drag_source, GtkTreePath* path );
+    gboolean drag_data_get( GtkTreeDragSource *drag_source, GtkTreePath *path,
+        GtkSelectionData *selection_data );
+    gboolean drag_data_received( GtkTreeDragDest *drag_dest, GtkTreePath *dest,
+        GtkSelectionData *selection_data );
+    gboolean row_drop_possible( GtkTreeDragDest *drag_dest, GtkTreePath *dest_path,
+        GtkSelectionData *selection_data );
+
+    // notifactions from wxDataViewModel

     bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
     bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
     bool ItemChanged( const wxDataViewItem &item );
     bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
     bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
     bool ItemChanged( const wxDataViewItem &item );

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

     bool Cleared();
     bool Cleared();

+    bool BeforeReset();
+    bool AfterReset();

     void Resort();
 
     void Resort();
 

+    // sorting interface

     void SetSortOrder( GtkSortType sort_order ) { m_sort_order = sort_order; }
     void SetSortOrder( GtkSortType sort_order ) { m_sort_order = sort_order; }

-    GtkSortType GetSortOrder()                  { return m_sort_order; }
+    GtkSortType GetSortOrder() const            { return m_sort_order; }

 
     void SetSortColumn( int column )            { m_sort_column = column; }
 
     void SetSortColumn( int column )            { m_sort_column = column; }

-    int GetSortColumn()                         { return m_sort_column; }
+    int GetSortColumn() const                   { return m_sort_column; }

 
     void SetDataViewSortColumn( wxDataViewColumn *column ) { m_dataview_sort_column = column; }
     wxDataViewColumn *GetDataViewSortColumn()   { return m_dataview_sort_column; }
 
     bool IsSorted()                             { return (m_sort_column >= 0); }
 
 
     void SetDataViewSortColumn( wxDataViewColumn *column ) { m_dataview_sort_column = column; }
     wxDataViewColumn *GetDataViewSortColumn()   { return m_dataview_sort_column; }
 
     bool IsSorted()                             { return (m_sort_column >= 0); }
 

+    // accessors
+    wxDataViewModel* GetDataViewModel() { return m_wx_model; }
+    const wxDataViewModel* GetDataViewModel() const { return m_wx_model; }
+    wxDataViewCtrl* GetOwner()          { return m_owner; }
+    GtkWxTreeModel* GetGtkModel()       { return m_gtk_model; }
+
+    // item can be deleted already in the model
+    int GetIndexOf( const wxDataViewItem &parent, const wxDataViewItem &item );
+
+    virtual void OnInternalIdle();

 
 protected:
     void InitTree();
 
 protected:
     void InitTree();

+    void ScheduleRefresh();
+

     wxGtkTreeModelNode *FindNode( const wxDataViewItem &item );
     wxGtkTreeModelNode *FindNode( GtkTreeIter *iter );
     wxGtkTreeModelNode *FindParentNode( const wxDataViewItem &item );
     wxGtkTreeModelNode *FindNode( const wxDataViewItem &item );
     wxGtkTreeModelNode *FindNode( GtkTreeIter *iter );
     wxGtkTreeModelNode *FindParentNode( const wxDataViewItem &item );


@@ -110,6 +299,18 @@ private:
     GtkSortType           m_sort_order;
     wxDataViewColumn     *m_dataview_sort_column;
     int                   m_sort_column;
     GtkSortType           m_sort_order;
     wxDataViewColumn     *m_dataview_sort_column;
     int                   m_sort_column;

+
+    GtkTargetEntry        m_dragSourceTargetEntry;
+    wxCharBuffer          m_dragSourceTargetEntryTarget;
+    wxDataObject         *m_dragDataObject;
+
+    GtkTargetEntry        m_dropTargetTargetEntry;
+    wxCharBuffer          m_dropTargetTargetEntryTarget;
+    wxDataObject         *m_dropDataObject;
+
+    wxGtkDataViewModelNotifier *m_notifier;
+
+    bool                  m_dirty;

 };
 
 
 };
 
 


@@ -117,10 +318,11 @@ private:
 // wxGtkTreeModelNode
 //-----------------------------------------------------------------------------
 
 // wxGtkTreeModelNode
 //-----------------------------------------------------------------------------
 

+static

 int LINKAGEMODE wxGtkTreeModelChildCmp( void** id1, void** id2 )
 {
 int LINKAGEMODE wxGtkTreeModelChildCmp( void** id1, void** id2 )
 {

-    int ret = g_internal->GetDataViewModel()->Compare( *id1, *id2,
-        g_internal->GetSortColumn(), (g_internal->GetSortOrder() == GTK_SORT_ASCENDING) );
+    int ret = gs_internal->GetDataViewModel()->Compare( wxDataViewItem(*id1), wxDataViewItem(*id2),
+        gs_internal->GetSortColumn(), (gs_internal->GetSortOrder() == GTK_SORT_ASCENDING) );

 
     return ret;
 }
 
     return ret;
 }


@@ -132,7 +334,7 @@ class wxGtkTreeModelNode
 {
 public:
     wxGtkTreeModelNode( wxGtkTreeModelNode* parent, const wxDataViewItem &item,
 {
 public:
     wxGtkTreeModelNode( wxGtkTreeModelNode* parent, const wxDataViewItem &item,

-      wxDataViewCtrlInternal *internal )
+                        wxDataViewCtrlInternal *internal )

     {
         m_parent = parent;
         m_item = item;
     {
         m_parent = parent;
         m_item = item;


@@ -141,7 +343,7 @@ public:
 
     ~wxGtkTreeModelNode()
     {
 
     ~wxGtkTreeModelNode()
     {

-        size_t count = m_children.GetCount();
+        size_t count = m_nodes.GetCount();

         size_t i;
         for (i = 0; i < count; i++)
         {
         size_t i;
         for (i = 0; i < count; i++)
         {


@@ -160,7 +362,7 @@ public:
 
             if (m_internal->IsSorted() || m_internal->GetDataViewModel()->HasDefaultCompare())
             {
 
             if (m_internal->IsSorted() || m_internal->GetDataViewModel()->HasDefaultCompare())
             {

-                g_internal = m_internal;
+                gs_internal = m_internal;

                 m_children.Sort( &wxGtkTreeModelChildCmp );
                 return m_children.Index( id );
             }
                 m_children.Sort( &wxGtkTreeModelChildCmp );
                 return m_children.Index( id );
             }


@@ -174,7 +376,7 @@ public:
 
             if (m_internal->IsSorted() || m_internal->GetDataViewModel()->HasDefaultCompare())
             {
 
             if (m_internal->IsSorted() || m_internal->GetDataViewModel()->HasDefaultCompare())
             {

-                g_internal = m_internal;
+                gs_internal = m_internal;

                 m_children.Sort( &wxGtkTreeModelChildCmp );
                 return m_children.Index( id );
             }
                 m_children.Sort( &wxGtkTreeModelChildCmp );
                 return m_children.Index( id );
             }


@@ -198,7 +400,6 @@ public:
                     break;
                 }
             }
                     break;
                 }
             }

-

         }
 
     wxGtkTreeModelNode* GetParent()
         }
 
     wxGtkTreeModelNode* GetParent()


@@ -208,8 +409,8 @@ public:
     wxGtkTreeModelChildren &GetChildren()
         { return m_children; }
 
     wxGtkTreeModelChildren &GetChildren()
         { return m_children; }
 

-    unsigned int GetChildCount() { return m_children.GetCount(); }
-    unsigned int GetNodesCount() { return m_nodes.GetCount(); }
+    unsigned int GetChildCount() const { return m_children.GetCount(); }
+    unsigned int GetNodesCount() const { return m_nodes.GetCount(); }

 
     wxDataViewItem &GetItem() { return m_item; }
     wxDataViewCtrlInternal *GetInternal() { return m_internal; }
 
     wxDataViewItem &GetItem() { return m_item; }
     wxDataViewCtrlInternal *GetInternal() { return m_internal; }


@@ -265,8 +466,12 @@ struct _GtkWxTreeModelClass
 static GtkWxTreeModel *wxgtk_tree_model_new          (void);
 static void         wxgtk_tree_model_init            (GtkWxTreeModel       *tree_model);
 static void         wxgtk_tree_model_class_init      (GtkWxTreeModelClass  *klass);
 static GtkWxTreeModel *wxgtk_tree_model_new          (void);
 static void         wxgtk_tree_model_init            (GtkWxTreeModel       *tree_model);
 static void         wxgtk_tree_model_class_init      (GtkWxTreeModelClass  *klass);

-static void         wxgtk_tree_model_tree_model_init (GtkTreeModelIface    *iface);
-static void         wxgtk_tree_model_sortable_init   (GtkTreeSortableIface *iface);
+
+static void         wxgtk_tree_model_tree_model_init (GtkTreeModelIface       *iface);
+static void         wxgtk_tree_model_sortable_init   (GtkTreeSortableIface    *iface);
+static void         wxgtk_tree_model_drag_source_init(GtkTreeDragSourceIface  *iface);
+static void         wxgtk_tree_model_drag_dest_init  (GtkTreeDragDestIface    *iface);
+

 static void         wxgtk_tree_model_finalize        (GObject           *object);
 static GtkTreeModelFlags wxgtk_tree_model_get_flags  (GtkTreeModel      *tree_model);
 static gint         wxgtk_tree_model_get_n_columns   (GtkTreeModel      *tree_model);
 static void         wxgtk_tree_model_finalize        (GObject           *object);
 static GtkTreeModelFlags wxgtk_tree_model_get_flags  (GtkTreeModel      *tree_model);
 static gint         wxgtk_tree_model_get_n_columns   (GtkTreeModel      *tree_model);


@@ -300,22 +505,36 @@ static gboolean     wxgtk_tree_model_iter_parent     (GtkTreeModel      *tree_mo
 
 /* sortable */
 static gboolean wxgtk_tree_model_get_sort_column_id    (GtkTreeSortable       *sortable,
 
 /* sortable */
 static gboolean wxgtk_tree_model_get_sort_column_id    (GtkTreeSortable       *sortable,

-                                                     gint                     *sort_column_id,
-                                                     GtkSortType              *order);
+                                                        gint                  *sort_column_id,
+                                                        GtkSortType           *order);

 static void     wxgtk_tree_model_set_sort_column_id    (GtkTreeSortable       *sortable,
 static void     wxgtk_tree_model_set_sort_column_id    (GtkTreeSortable       *sortable,

-                                                     gint                      sort_column_id,
-                                                     GtkSortType               order);
+                                                        gint                   sort_column_id,
+                                                        GtkSortType            order);

 static void     wxgtk_tree_model_set_sort_func         (GtkTreeSortable       *sortable,
 static void     wxgtk_tree_model_set_sort_func         (GtkTreeSortable       *sortable,

-                                                     gint                      sort_column_id,
-                                                     GtkTreeIterCompareFunc    func,
-                                                     gpointer                  data,
-                                                     GtkDestroyNotify          destroy);
+                                                        gint                   sort_column_id,
+                                                        GtkTreeIterCompareFunc func,
+                                                        gpointer               data,
+                                                        GDestroyNotify       destroy);

 static void     wxgtk_tree_model_set_default_sort_func (GtkTreeSortable       *sortable,
 static void     wxgtk_tree_model_set_default_sort_func (GtkTreeSortable       *sortable,

-                                                     GtkTreeIterCompareFunc    func,
-                                                     gpointer                  data,
-                                                     GtkDestroyNotify          destroy);
+                                                        GtkTreeIterCompareFunc func,
+                                                        gpointer               data,
+                                                        GDestroyNotify       destroy);

 static gboolean wxgtk_tree_model_has_default_sort_func (GtkTreeSortable       *sortable);
 
 static gboolean wxgtk_tree_model_has_default_sort_func (GtkTreeSortable       *sortable);
 

+/* drag'n'drop */
+static gboolean wxgtk_tree_model_row_draggable         (GtkTreeDragSource     *drag_source,
+                                                        GtkTreePath           *path);
+static gboolean wxgtk_tree_model_drag_data_delete      (GtkTreeDragSource     *drag_source,
+                                                        GtkTreePath           *path);
+static gboolean wxgtk_tree_model_drag_data_get         (GtkTreeDragSource     *drag_source,
+                                                        GtkTreePath           *path,
+                                                        GtkSelectionData      *selection_data);
+static gboolean wxgtk_tree_model_drag_data_received    (GtkTreeDragDest       *drag_dest,
+                                                        GtkTreePath           *dest,
+                                                        GtkSelectionData      *selection_data);
+static gboolean wxgtk_tree_model_row_drop_possible     (GtkTreeDragDest       *drag_dest,
+                                                        GtkTreePath           *dest_path,
+                                                        GtkSelectionData      *selection_data);

 
 
 static GObjectClass *list_parent_class = NULL;
 
 
 static GObjectClass *list_parent_class = NULL;


@@ -354,6 +573,20 @@ gtk_wx_tree_model_get_type (void)
             NULL
         };
 
             NULL
         };
 

+        static const GInterfaceInfo drag_source_iface_info =
+        {
+            (GInterfaceInitFunc) wxgtk_tree_model_drag_source_init,
+            NULL,
+            NULL
+        };
+
+        static const GInterfaceInfo drag_dest_iface_info =
+        {
+            (GInterfaceInitFunc) wxgtk_tree_model_drag_dest_init,
+            NULL,
+            NULL
+        };
+

         tree_model_type = g_type_register_static (G_TYPE_OBJECT, "GtkWxTreeModel",
                                                 &tree_model_info, (GTypeFlags)0 );
 
         tree_model_type = g_type_register_static (G_TYPE_OBJECT, "GtkWxTreeModel",
                                                 &tree_model_info, (GTypeFlags)0 );
 


@@ -363,6 +596,12 @@ gtk_wx_tree_model_get_type (void)
         g_type_add_interface_static (tree_model_type,
                                      GTK_TYPE_TREE_SORTABLE,
                                      &sortable_iface_info);
         g_type_add_interface_static (tree_model_type,
                                      GTK_TYPE_TREE_SORTABLE,
                                      &sortable_iface_info);

+        g_type_add_interface_static (tree_model_type,
+                                     GTK_TYPE_TREE_DRAG_DEST,
+                                     &drag_dest_iface_info);
+        g_type_add_interface_static (tree_model_type,
+                                     GTK_TYPE_TREE_DRAG_SOURCE,
+                                     &drag_source_iface_info);

     }
 
     return tree_model_type;
     }
 
     return tree_model_type;


@@ -410,6 +649,21 @@ wxgtk_tree_model_sortable_init (GtkTreeSortableIface *iface)
     iface->has_default_sort_func = wxgtk_tree_model_has_default_sort_func;
 }
 
     iface->has_default_sort_func = wxgtk_tree_model_has_default_sort_func;
 }
 

+static void
+wxgtk_tree_model_drag_source_init(GtkTreeDragSourceIface  *iface)
+{
+    iface->row_draggable = wxgtk_tree_model_row_draggable;
+    iface->drag_data_delete = wxgtk_tree_model_drag_data_delete;
+    iface->drag_data_get = wxgtk_tree_model_drag_data_get;
+}
+
+static void
+wxgtk_tree_model_drag_dest_init  (GtkTreeDragDestIface    *iface)
+{
+    iface->drag_data_received = wxgtk_tree_model_drag_data_received;
+    iface->row_drop_possible = wxgtk_tree_model_row_drop_possible;
+}
+

 static void
 wxgtk_tree_model_init (GtkWxTreeModel *tree_model)
 {
 static void
 wxgtk_tree_model_init (GtkWxTreeModel *tree_model)
 {


@@ -464,8 +718,8 @@ wxgtk_tree_model_get_column_type (GtkTreeModel *tree_model,
         gtype = G_TYPE_STRING;
     else
     {
         gtype = G_TYPE_STRING;
     else
     {

-        gtype = G_TYPE_STRING;
-        // wxFAIL_MSG( _T("non-string columns not supported yet") );
+        gtype = G_TYPE_POINTER;
+        // wxFAIL_MSG( wxT("non-string columns not supported for searching yet") );

     }
 
     return gtype;
     }
 
     return gtype;


@@ -516,7 +770,7 @@ wxgtk_tree_model_get_value (GtkTreeModel *tree_model,
     }
     else
     {
     }
     else
     {

-        wxFAIL_MSG( _T("non-string columns not supported yet") );
+        wxFAIL_MSG( wxT("non-string columns not supported yet") );

     }
 }
 
     }
 }
 


@@ -525,13 +779,13 @@ wxgtk_tree_model_iter_next (GtkTreeModel  *tree_model,
                             GtkTreeIter   *iter)
 {
     GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
                             GtkTreeIter   *iter)
 {
     GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;

-    
-    if (wxtree_model->stamp != iter->stamp)
-       wxPrintf( "crash\n" );
+
+    // This happens when clearing the view by calling .._set_model( NULL );
+    if (iter->stamp == 0) return FALSE;

 
     g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
     g_return_val_if_fail (wxtree_model->stamp == iter->stamp, FALSE);
 
     g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
     g_return_val_if_fail (wxtree_model->stamp == iter->stamp, FALSE);

-    
+

     return wxtree_model->internal->iter_next( iter );
 }
 
     return wxtree_model->internal->iter_next( iter );
 }
 


@@ -542,7 +796,10 @@ wxgtk_tree_model_iter_children (GtkTreeModel *tree_model,
 {
     GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
     g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
 {
     GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
     g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);

-    g_return_val_if_fail (wxtree_model->stamp == parent->stamp, FALSE);
+    if (parent)
+    {
+        g_return_val_if_fail (wxtree_model->stamp == parent->stamp, FALSE);
+    }

 
     return wxtree_model->internal->iter_children( iter, parent );
 }
 
     return wxtree_model->internal->iter_children( iter, parent );
 }


@@ -563,8 +820,8 @@ wxgtk_tree_model_iter_n_children (GtkTreeModel *tree_model,
                                   GtkTreeIter  *iter)
 {
     GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
                                   GtkTreeIter  *iter)
 {
     GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;

-    g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
-    g_return_val_if_fail (wxtree_model->stamp == iter->stamp, 0);
+    g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), 0);
+    g_return_val_if_fail ( !iter || wxtree_model->stamp == iter->stamp, 0);

 
     return wxtree_model->internal->iter_n_children( iter );
 }
 
     return wxtree_model->internal->iter_n_children( iter );
 }


@@ -593,16 +850,86 @@ wxgtk_tree_model_iter_parent (GtkTreeModel *tree_model,
     return wxtree_model->internal->iter_parent( iter, child );
 }
 
     return wxtree_model->internal->iter_parent( iter, child );
 }
 

-/* sortable */
-gboolean wxgtk_tree_model_get_sort_column_id    (GtkTreeSortable        *sortable,
-                                                     gint                     *sort_column_id,
-                                                     GtkSortType              *order)
+/* drag'n'drop iface */
+static gboolean
+wxgtk_tree_model_row_draggable (GtkTreeDragSource *drag_source,
+                                GtkTreePath       *path)

 {
 {

-    GtkWxTreeModel *tree_model = (GtkWxTreeModel *) sortable;
+    GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) drag_source;
+    g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
+
+    return wxtree_model->internal->row_draggable( drag_source, path );
+}
+
+static gboolean
+wxgtk_tree_model_drag_data_delete (GtkTreeDragSource *drag_source,
+                                   GtkTreePath       *path)
+{
+    GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) drag_source;
+    g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
+
+    return wxtree_model->internal->drag_data_delete( drag_source, path );
+}
+
+static gboolean
+wxgtk_tree_model_drag_data_get (GtkTreeDragSource *drag_source,
+                                GtkTreePath       *path,
+                                GtkSelectionData  *selection_data)
+{
+    GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) drag_source;
+    g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
+
+#if 0
+    wxPrintf( "drag_get_data\n");
+
+    wxGtkString atom_selection(gdk_atom_name(selection_data->selection));
+    wxPrintf( "selection %s\n", wxString::FromAscii(atom_selection) );
+
+    wxGtkString atom_target(gdk_atom_name(selection_data->target));
+    wxPrintf( "target %s\n", wxString::FromAscii(atom_target) );
+
+    wxGtkString atom_type(gdk_atom_name(selection_data->type));
+    wxPrintf( "type %s\n", wxString::FromAscii(atom_type) );
+
+    wxPrintf( "format %d\n", selection_data->format );
+#endif
+
+    return wxtree_model->internal->drag_data_get( drag_source, path, selection_data );
+}
+
+static gboolean
+wxgtk_tree_model_drag_data_received (GtkTreeDragDest  *drag_dest,
+                                     GtkTreePath      *dest,
+                                     GtkSelectionData *selection_data)
+{
+    GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) drag_dest;
+    g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
+
+    return wxtree_model->internal->drag_data_received( drag_dest, dest, selection_data );
+}
+
+static gboolean
+wxgtk_tree_model_row_drop_possible (GtkTreeDragDest  *drag_dest,
+                                    GtkTreePath      *dest_path,
+                                    GtkSelectionData *selection_data)
+{
+    GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) drag_dest;
+    g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
+
+    return wxtree_model->internal->row_drop_possible( drag_dest, dest_path, selection_data );
+}
+
+/* sortable iface */
+static gboolean
+wxgtk_tree_model_get_sort_column_id (GtkTreeSortable *sortable,
+                                     gint            *sort_column_id,
+                                     GtkSortType     *order)
+{
+    GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) sortable;

 
     g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (sortable), FALSE);
 
 
     g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (sortable), FALSE);
 

-    if (!tree_model->internal->IsSorted())
+    if (!wxtree_model->internal->IsSorted())

     {
         if (sort_column_id)
             *sort_column_id = -1;
     {
         if (sort_column_id)
             *sort_column_id = -1;


@@ -612,19 +939,20 @@ gboolean wxgtk_tree_model_get_sort_column_id    (GtkTreeSortable        *sortabl
 
 
     if (sort_column_id)
 
 
     if (sort_column_id)

-        *sort_column_id = tree_model->internal->GetSortColumn();
+        *sort_column_id = wxtree_model->internal->GetSortColumn();

 
     if (order)
 
     if (order)

-        *order = tree_model->internal->GetSortOrder();
+        *order = wxtree_model->internal->GetSortOrder();

 
     return TRUE;
 }
 
 wxDataViewColumn *gs_lastLeftClickHeader = NULL;
 
 
     return TRUE;
 }
 
 wxDataViewColumn *gs_lastLeftClickHeader = NULL;
 

-void     wxgtk_tree_model_set_sort_column_id  (GtkTreeSortable        *sortable,
-                                                     gint                      sort_column_id,
-                                                     GtkSortType               order)
+static void
+wxgtk_tree_model_set_sort_column_id (GtkTreeSortable *sortable,
+                                     gint             sort_column_id,
+                                     GtkSortType      order)

 {
     GtkWxTreeModel *tree_model = (GtkWxTreeModel *) sortable;
     g_return_if_fail (GTK_IS_WX_TREE_MODEL (sortable) );
 {
     GtkWxTreeModel *tree_model = (GtkWxTreeModel *) sortable;
     g_return_if_fail (GTK_IS_WX_TREE_MODEL (sortable) );


@@ -654,36 +982,182 @@ void     wxgtk_tree_model_set_sort_column_id  (GtkTreeSortable        *sortable,
     gs_lastLeftClickHeader = NULL;
 }
 
     gs_lastLeftClickHeader = NULL;
 }
 

-void     wxgtk_tree_model_set_sort_func         (GtkTreeSortable          *sortable,
-                                                gint                      WXUNUSED(sort_column_id),
-                                                GtkTreeIterCompareFunc    func,
-                                                gpointer                  WXUNUSED(data),
-                                                GtkDestroyNotify          WXUNUSED(destroy) )
+static void
+wxgtk_tree_model_set_sort_func (GtkTreeSortable        *sortable,
+                                gint                    WXUNUSED(sort_column_id),
+                                GtkTreeIterCompareFunc  func,
+                                gpointer                WXUNUSED(data),
+                                GDestroyNotify        WXUNUSED(destroy))

 {
     g_return_if_fail (GTK_IS_WX_TREE_MODEL (sortable) );
     g_return_if_fail (func != NULL);
 }
 
 {
     g_return_if_fail (GTK_IS_WX_TREE_MODEL (sortable) );
     g_return_if_fail (func != NULL);
 }
 

-void     wxgtk_tree_model_set_default_sort_func (GtkTreeSortable          *sortable,
-                                                GtkTreeIterCompareFunc    func,
-                                                gpointer                  WXUNUSED(data),
-                                                GtkDestroyNotify          WXUNUSED(destroy) )
+static void
+wxgtk_tree_model_set_default_sort_func (GtkTreeSortable          *sortable,
+                                        GtkTreeIterCompareFunc    func,
+                                        gpointer                  WXUNUSED(data),
+                                        GDestroyNotify          WXUNUSED(destroy))

 {
     g_return_if_fail (GTK_IS_WX_TREE_MODEL (sortable) );
     g_return_if_fail (func != NULL);
 
 {
     g_return_if_fail (GTK_IS_WX_TREE_MODEL (sortable) );
     g_return_if_fail (func != NULL);
 

-    wxPrintf( "wxgtk_tree_model_set_default_sort_func\n" );
+    //wxPrintf( "wxgtk_tree_model_set_default_sort_func\n" );
+    // TODO: remove this code

 }
 
 }
 

-gboolean wxgtk_tree_model_has_default_sort_func (GtkTreeSortable        *sortable)
+static gboolean
+wxgtk_tree_model_has_default_sort_func (GtkTreeSortable        *sortable)

 {
     g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (sortable), FALSE );
 {
     g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (sortable), FALSE );

-    
+

     return FALSE;
 }
 
 //-----------------------------------------------------------------------------
     return FALSE;
 }
 
 //-----------------------------------------------------------------------------

-// define new GTK+ class wxGtkRendererRenderer
+// define new GTK+ class GtkWxRendererText
+//-----------------------------------------------------------------------------
+
+extern "C" {
+
+#define GTK_TYPE_WX_CELL_RENDERER_TEXT               (gtk_wx_cell_renderer_text_get_type ())
+#define GTK_WX_CELL_RENDERER_TEXT(obj)               (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_WX_CELL_RENDERER_TEXT, GtkWxCellRendererText))
+#define GTK_WX_CELL_RENDERER_TEXT_CLASS(klass)       (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_WX_CELL_RENDERER_TEXT, GtkWxCellRendererTextClass))
+#define GTK_IS_WX_CELL_RENDERER_TEXT(obj)            (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_WX_CELL_RENDERER_TEXT))
+#define GTK_IS_WX_CELL_RENDERER_TEXT_CLASS(klass)    (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_WX_CELL_RENDERER_TEXT))
+#define GTK_WX_CELL_RENDERER_TEXT_GET_CLASS(obj)     (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_WX_CELL_RENDERER_TEXT, GtkWxCellRendererTextClass))
+
+GType            gtk_wx_cell_renderer_text_get_type (void);
+
+typedef struct _GtkWxCellRendererText GtkWxCellRendererText;
+typedef struct _GtkWxCellRendererTextClass GtkWxCellRendererTextClass;
+
+struct _GtkWxCellRendererText
+{
+  GtkCellRendererText parent;
+
+  wxDataViewRenderer *wx_renderer;
+};
+
+struct _GtkWxCellRendererTextClass
+{
+  GtkCellRendererTextClass cell_parent_class;
+};
+
+
+static GtkWxCellRendererText *gtk_wx_cell_renderer_text_new   (void);
+static void gtk_wx_cell_renderer_text_init (
+                        GtkWxCellRendererText      *cell );
+static void gtk_wx_cell_renderer_text_class_init(
+                        GtkWxCellRendererTextClass *klass );
+static void gtk_wx_cell_renderer_text_finalize (
+                        GObject                *object );
+static GtkCellEditable *gtk_wx_cell_renderer_text_start_editing(
+                        GtkCellRenderer         *cell,
+                        GdkEvent                *event,
+                        GtkWidget               *widget,
+                        const gchar             *path,
+                        GdkRectangle            *background_area,
+                        GdkRectangle            *cell_area,
+                        GtkCellRendererState     flags );
+
+
+static GObjectClass *text_cell_parent_class = NULL;
+
+}  // extern "C"
+
+GType
+gtk_wx_cell_renderer_text_get_type (void)
+{
+    static GType cell_wx_type = 0;
+
+    if (!cell_wx_type)
+    {
+        const GTypeInfo cell_wx_info =
+        {
+            sizeof (GtkWxCellRendererTextClass),
+            NULL, /* base_init */
+            NULL, /* base_finalize */
+            (GClassInitFunc) gtk_wx_cell_renderer_text_class_init,
+            NULL, /* class_finalize */
+            NULL, /* class_data */
+            sizeof (GtkWxCellRendererText),
+            0,          /* n_preallocs */
+            (GInstanceInitFunc) gtk_wx_cell_renderer_text_init,
+        };
+
+        cell_wx_type = g_type_register_static( GTK_TYPE_CELL_RENDERER_TEXT,
+            "GtkWxCellRendererText", &cell_wx_info, (GTypeFlags)0 );
+    }
+
+    return cell_wx_type;
+}
+
+static void
+gtk_wx_cell_renderer_text_init (GtkWxCellRendererText *cell)
+{
+    cell->wx_renderer = NULL;
+}
+
+static void
+gtk_wx_cell_renderer_text_class_init (GtkWxCellRendererTextClass *klass)
+{
+    GObjectClass *object_class = G_OBJECT_CLASS (klass);
+    GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS (klass);
+
+    text_cell_parent_class = (GObjectClass*) g_type_class_peek_parent (klass);
+
+    object_class->finalize = gtk_wx_cell_renderer_text_finalize;
+
+    cell_class->start_editing = gtk_wx_cell_renderer_text_start_editing;
+}
+
+static void
+gtk_wx_cell_renderer_text_finalize (GObject *object)
+{
+    /* must chain up */
+    (* G_OBJECT_CLASS (text_cell_parent_class)->finalize) (object);
+}
+
+GtkWxCellRendererText*
+gtk_wx_cell_renderer_text_new (void)
+{
+    return (GtkWxCellRendererText*) g_object_new (GTK_TYPE_WX_CELL_RENDERER_TEXT, NULL);
+}
+
+static GtkCellEditable *gtk_wx_cell_renderer_text_start_editing(
+                        GtkCellRenderer         *gtk_renderer,
+                        GdkEvent                *gdk_event,
+                        GtkWidget               *widget,
+                        const gchar             *path,
+                        GdkRectangle            *background_area,
+                        GdkRectangle            *cell_area,
+                        GtkCellRendererState     flags )
+{
+    GtkWxCellRendererText *wxgtk_renderer = (GtkWxCellRendererText *) gtk_renderer;
+    wxDataViewRenderer *wx_renderer = wxgtk_renderer->wx_renderer;
+    wxDataViewColumn *column = wx_renderer->GetOwner();
+
+    wxDataViewItem
+        item(column->GetOwner()->GTKPathToItem(wxGtkTreePath(path)));
+
+    wxDataViewCtrl *dv = column->GetOwner();
+    wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_START_EDITING, dv->GetId() );
+    event.SetDataViewColumn( column );
+    event.SetModel( dv->GetModel() );
+    event.SetColumn( column->GetModelColumn() );
+    event.SetItem( item );
+    dv->HandleWindowEvent( event );
+
+    if (event.IsAllowed())
+        return GTK_CELL_RENDERER_CLASS(text_cell_parent_class)->
+           start_editing( gtk_renderer, gdk_event, widget, path, background_area, cell_area, flags );
+    else
+        return NULL;
+}
+
+//-----------------------------------------------------------------------------
+// define new GTK+ class GtkWxCellRenderer

 //-----------------------------------------------------------------------------
 
 extern "C" {
 //-----------------------------------------------------------------------------
 
 extern "C" {


@@ -823,8 +1297,6 @@ gtk_wx_cell_renderer_new (void)
     return (GtkCellRenderer*) g_object_new (GTK_TYPE_WX_CELL_RENDERER, NULL);
 }
 
     return (GtkCellRenderer*) g_object_new (GTK_TYPE_WX_CELL_RENDERER, NULL);
 }
 

-
-

 static GtkCellEditable *gtk_wx_cell_renderer_start_editing(
                         GtkCellRenderer         *renderer,
                         GdkEvent                *WXUNUSED(event),
 static GtkCellEditable *gtk_wx_cell_renderer_start_editing(
                         GtkCellRenderer         *renderer,
                         GdkEvent                *WXUNUSED(event),


@@ -836,9 +1308,15 @@ static GtkCellEditable *gtk_wx_cell_renderer_start_editing(
 {
     GtkWxCellRenderer *wxrenderer = (GtkWxCellRenderer *) renderer;
     wxDataViewCustomRenderer *cell = wxrenderer->cell;
 {
     GtkWxCellRenderer *wxrenderer = (GtkWxCellRenderer *) renderer;
     wxDataViewCustomRenderer *cell = wxrenderer->cell;

+
+    // Renderer doesn't support in-place editing

     if (!cell->HasEditorCtrl())
         return NULL;
 
     if (!cell->HasEditorCtrl())
         return NULL;
 

+    // An in-place editing control is still around
+    if (cell->GetEditorCtrl())
+        return NULL;
+

     GdkRectangle rect;
     gtk_wx_cell_renderer_get_size (renderer, widget, cell_area,
                                    &rect.x,
     GdkRectangle rect;
     gtk_wx_cell_renderer_get_size (renderer, widget, cell_area,
                                    &rect.x,


@@ -851,14 +1329,11 @@ static GtkCellEditable *gtk_wx_cell_renderer_start_editing(
 //    rect.width  -= renderer->xpad * 2;
 //    rect.height -= renderer->ypad * 2;
 
 //    rect.width  -= renderer->xpad * 2;
 //    rect.height -= renderer->ypad * 2;
 

-//    wxRect renderrect( rect.x, rect.y, rect.width, rect.height );
-    wxRect renderrect( cell_area->x, cell_area->y, cell_area->width, cell_area->height );
+//    wxRect renderrect(wxRectFromGDKRect(&rect));
+    wxRect renderrect(wxRectFromGDKRect(cell_area));

 
 

-    GtkTreePath *treepath = gtk_tree_path_new_from_string( path );
-    GtkTreeIter iter;
-    cell->GetOwner()->GetOwner()->GtkGetInternal()->get_iter( &iter, treepath );
-    wxDataViewItem item( (void*) iter.user_data );
-    gtk_tree_path_free( treepath );
+    wxDataViewItem
+        item(cell->GetOwner()->GetOwner()->GTKPathToItem(wxGtkTreePath(path)));

 
     cell->StartEditing( item, renderrect );
 
 
     cell->StartEditing( item, renderrect );
 


@@ -879,8 +1354,21 @@ gtk_wx_cell_renderer_get_size (GtkCellRenderer *renderer,
 
     wxSize size = cell->GetSize();
 
 
     wxSize size = cell->GetSize();
 

-    gint calc_width  = (gint) renderer->xpad * 2 + size.x;
-    gint calc_height = (gint) renderer->ypad * 2 + size.y;
+    wxDataViewCtrl * const ctrl = cell->GetOwner()->GetOwner();
+
+    // Uniform row height, if specified, overrides the value returned by the
+    // renderer.
+    if ( !ctrl->HasFlag(wxDV_VARIABLE_LINE_HEIGHT) )
+    {
+        const int uniformHeight = ctrl->GTKGetUniformRowHeight();
+        if ( uniformHeight > 0 )
+            size.y = uniformHeight;
+    }
+
+    int xpad, ypad;
+    gtk_cell_renderer_get_padding(renderer, &xpad, &ypad);
+    int calc_width  = xpad * 2 + size.x;
+    int calc_height = ypad * 2 + size.y;

 
     if (x_offset)
         *x_offset = 0;
 
     if (x_offset)
         *x_offset = 0;


@@ -889,17 +1377,17 @@ gtk_wx_cell_renderer_get_size (GtkCellRenderer *renderer,
 
     if (cell_area && size.x > 0 && size.y > 0)
     {
 
     if (cell_area && size.x > 0 && size.y > 0)
     {

+        float xalign, yalign;
+        gtk_cell_renderer_get_alignment(renderer, &xalign, &yalign);

         if (x_offset)
         {
         if (x_offset)
         {

-            *x_offset = (gint)((renderer->xalign *
-                               (cell_area->width - calc_width - 2 * renderer->xpad)));
-            *x_offset = MAX (*x_offset, 0) + renderer->xpad;
+            *x_offset = int(xalign * (cell_area->width - calc_width - 2 * xpad));
+            *x_offset = MAX(*x_offset, 0) + xpad;

         }
         if (y_offset)
         {
         }
         if (y_offset)
         {

-            *y_offset = (gint)((renderer->yalign *
-                               (cell_area->height - calc_height - 2 * renderer->ypad)));
-            *y_offset = MAX (*y_offset, 0) + renderer->ypad;
+            *y_offset = int(yalign * (cell_area->height - calc_height - 2 * ypad));
+            *y_offset = MAX(*y_offset, 0) + ypad;

         }
     }
 
         }
     }
 


@@ -923,50 +1411,38 @@ gtk_wx_cell_renderer_render (GtkCellRenderer      *renderer,
     GtkWxCellRenderer *wxrenderer = (GtkWxCellRenderer *) renderer;
     wxDataViewCustomRenderer *cell = wxrenderer->cell;
 
     GtkWxCellRenderer *wxrenderer = (GtkWxCellRenderer *) renderer;
     wxDataViewCustomRenderer *cell = wxrenderer->cell;
 

-    cell->window = window;
-    cell->widget = widget;
-    cell->background_area = (void*) background_area;
-    cell->cell_area = (void*) cell_area;
-    cell->expose_area = (void*) expose_area;
-    cell->flags = (int) flags;
+    cell->GTKStashRenderParams(window, widget,
+                               background_area, expose_area, flags);

 
 

-    GdkRectangle rect;
-    gtk_wx_cell_renderer_get_size (renderer, widget, cell_area,
-                                   &rect.x,
-                                   &rect.y,
-                                   &rect.width,
-                                   &rect.height);
+    wxRect rect(wxRectFromGDKRect(cell_area));
+    int xpad, ypad;
+    gtk_cell_renderer_get_padding(renderer, &xpad, &ypad);
+    rect = rect.Deflate(xpad, ypad);

 
 

-    rect.x += cell_area->x;
-    rect.y += cell_area->y;
-    rect.width  -= renderer->xpad * 2;
-    rect.height -= renderer->ypad * 2;
+    wxWindowDC* dc = (wxWindowDC*) cell->GetDC();
+    wxWindowDCImpl *impl = (wxWindowDCImpl *) dc->GetImpl();

 
 

-    GdkRectangle dummy;
-    if (gdk_rectangle_intersect (expose_area, &rect, &dummy))
+    // Reinitialize wxWindowDC's GDK window if drawing occurs into a different
+    // window such as a DnD drop window.
+    if (window != impl->m_gdkwindow)

     {
     {

-        wxRect renderrect( rect.x, rect.y, rect.width, rect.height );
-        wxWindowDC* dc = (wxWindowDC*) cell->GetDC();
-        wxWindowDCImpl *impl = (wxWindowDCImpl *) dc->GetImpl();
-        if (impl->m_gdkwindow == NULL)
-        {
-            impl->m_gdkwindow = window;
-            impl->SetUpDC();
-        }
-
-        int state = 0;
-        if (flags & GTK_CELL_RENDERER_SELECTED)
-            state |= wxDATAVIEW_CELL_SELECTED;
-        if (flags & GTK_CELL_RENDERER_PRELIT)
-            state |= wxDATAVIEW_CELL_PRELIT;
-        if (flags & GTK_CELL_RENDERER_INSENSITIVE)
-            state |= wxDATAVIEW_CELL_INSENSITIVE;
-        if (flags & GTK_CELL_RENDERER_INSENSITIVE)
-            state |= wxDATAVIEW_CELL_INSENSITIVE;
-        if (flags & GTK_CELL_RENDERER_FOCUSED)
-            state |= wxDATAVIEW_CELL_FOCUSED;
-        cell->Render( renderrect, dc, state );
+        impl->Destroy();
+        impl->m_gdkwindow = window;
+        impl->SetUpDC();

     }
     }

+
+    int state = 0;
+    if (flags & GTK_CELL_RENDERER_SELECTED)
+        state |= wxDATAVIEW_CELL_SELECTED;
+    if (flags & GTK_CELL_RENDERER_PRELIT)
+        state |= wxDATAVIEW_CELL_PRELIT;
+    if (flags & GTK_CELL_RENDERER_INSENSITIVE)
+        state |= wxDATAVIEW_CELL_INSENSITIVE;
+    if (flags & GTK_CELL_RENDERER_INSENSITIVE)
+        state |= wxDATAVIEW_CELL_INSENSITIVE;
+    if (flags & GTK_CELL_RENDERER_FOCUSED)
+        state |= wxDATAVIEW_CELL_FOCUSED;
+    cell->WXCallRender( rect, dc, state );

 }
 
 static gboolean
 }
 
 static gboolean


@@ -991,19 +1467,17 @@ gtk_wx_cell_renderer_activate(
 
     rect.x += cell_area->x;
     rect.y += cell_area->y;
 
     rect.x += cell_area->x;
     rect.y += cell_area->y;

-    rect.width  -= renderer->xpad * 2;
-    rect.height -= renderer->ypad * 2;
-
-    wxRect renderrect( rect.x, rect.y, rect.width, rect.height );
+    int xpad, ypad;
+    gtk_cell_renderer_get_padding(renderer, &xpad, &ypad);
+    rect.width  -= xpad * 2;
+    rect.height -= ypad * 2;

 
 

-    wxDataViewModel *model = cell->GetOwner()->GetOwner()->GetModel();
+    wxRect renderrect(wxRectFromGDKRect(&rect));

 
 

-    GtkTreePath *treepath = gtk_tree_path_new_from_string( path );
+    wxDataViewCtrl * const ctrl = cell->GetOwner()->GetOwner();
+    wxDataViewModel *model = ctrl->GetModel();

 
 

-    GtkTreeIter iter;
-    cell->GetOwner()->GetOwner()->GtkGetInternal()->get_iter( &iter, treepath );
-    wxDataViewItem item( iter.user_data );
-    gtk_tree_path_free( treepath );
+    wxDataViewItem item(ctrl->GTKPathToItem(wxGtkTreePath(path)));

 
     unsigned int model_col = cell->GetOwner()->GetModelColumn();
 
 
     unsigned int model_col = cell->GetOwner()->GetModelColumn();
 


@@ -1033,12 +1507,6 @@ gtk_wx_cell_renderer_activate(
                 if (cell->Activate( renderrect, model, item, model_col ))
                     ret = true;
         }
                 if (cell->Activate( renderrect, model, item, model_col ))
                     ret = true;
         }

-        if (button_event->button == 3)
-        {
-            if (cell->RightClick( pt, renderrect, model, item, model_col ))
-                ret = true;
-        }
-

         wxrenderer->last_click = button_event->time;
 
         return ret;
         wxrenderer->last_click = button_event->time;
 
         return ret;


@@ -1054,24 +1522,23 @@ gtk_wx_cell_renderer_activate(
 class wxGtkDataViewModelNotifier: public wxDataViewModelNotifier
 {
 public:
 class wxGtkDataViewModelNotifier: public wxDataViewModelNotifier
 {
 public:

-    wxGtkDataViewModelNotifier( GtkWxTreeModel  *wxgtk_model,
-                                wxDataViewModel *wx_model,
-                                wxDataViewCtrl  *ctrl );
+    wxGtkDataViewModelNotifier( wxDataViewModel *wx_model, wxDataViewCtrlInternal *internal );

     ~wxGtkDataViewModelNotifier();
 
     virtual bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
     virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
     virtual bool ItemChanged( const wxDataViewItem &item );
     ~wxGtkDataViewModelNotifier();
 
     virtual bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
     virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
     virtual bool ItemChanged( const wxDataViewItem &item );

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

     virtual bool Cleared();
     virtual void Resort();
     virtual bool Cleared();
     virtual void Resort();

+    virtual bool BeforeReset();
+    virtual bool AfterReset();

 
 

-    void SetGtkModel( GtkWxTreeModel *model ) { m_wxgtk_model = model; }
+    void UpdateLastCount();

 
 private:
 
 private:

-    GtkWxTreeModel      *m_wxgtk_model;
-    wxDataViewModel     *m_wx_model;
-    wxDataViewCtrl      *m_owner;
+    wxDataViewModel         *m_wx_model;
+    wxDataViewCtrlInternal  *m_internal;

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


@@ -1079,97 +1546,112 @@ private:
 // ---------------------------------------------------------
 
 wxGtkDataViewModelNotifier::wxGtkDataViewModelNotifier(
 // ---------------------------------------------------------
 
 wxGtkDataViewModelNotifier::wxGtkDataViewModelNotifier(

-    GtkWxTreeModel* wxgtk_model, wxDataViewModel *wx_model,
-    wxDataViewCtrl *ctrl )
+    wxDataViewModel *wx_model, wxDataViewCtrlInternal *internal )

 {
 {

-    m_wxgtk_model = wxgtk_model;

     m_wx_model = wx_model;
     m_wx_model = wx_model;

-    m_owner = ctrl;
+    m_internal = internal;

 }
 
 wxGtkDataViewModelNotifier::~wxGtkDataViewModelNotifier()
 {
     m_wx_model = NULL;
 }
 
 wxGtkDataViewModelNotifier::~wxGtkDataViewModelNotifier()
 {
     m_wx_model = NULL;

-    m_wxgtk_model = NULL;
+    m_internal = NULL;

 }
 
 bool wxGtkDataViewModelNotifier::ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item )
 {
 }
 
 bool wxGtkDataViewModelNotifier::ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item )
 {

-    m_owner->GtkGetInternal()->ItemAdded( parent, item );
+    m_internal->ItemAdded( parent, item );
+    GtkWxTreeModel *wxgtk_model = m_internal->GetGtkModel();

 
     GtkTreeIter iter;
 
     GtkTreeIter iter;

-    iter.stamp = m_wxgtk_model->stamp;
-    iter.user_data = (gpointer) item.GetID();
+    iter.stamp = wxgtk_model->stamp;
+    iter.user_data = item.GetID();

 
 

-    GtkTreePath *path = wxgtk_tree_model_get_path(
-        GTK_TREE_MODEL(m_wxgtk_model), &iter );
+    wxGtkTreePath path(wxgtk_tree_model_get_path(
+        GTK_TREE_MODEL(wxgtk_model), &iter ));

     gtk_tree_model_row_inserted(
     gtk_tree_model_row_inserted(

-        GTK_TREE_MODEL(m_wxgtk_model), path, &iter);
-    gtk_tree_path_free (path);
+        GTK_TREE_MODEL(wxgtk_model), path, &iter);

 
     return true;
 }
 
 bool wxGtkDataViewModelNotifier::ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
 {
 
     return true;
 }
 
 bool wxGtkDataViewModelNotifier::ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
 {

+    GtkWxTreeModel *wxgtk_model = m_internal->GetGtkModel();
+#if 0
+    // using _get_path for a deleted item cannot be
+    // a good idea

     GtkTreeIter iter;
     GtkTreeIter iter;

-    iter.stamp = m_wxgtk_model->stamp;
+    iter.stamp = wxgtk_model->stamp;

     iter.user_data = (gpointer) item.GetID();
     iter.user_data = (gpointer) item.GetID();

+    wxGtkTreePath path(wxgtk_tree_model_get_path(
+        GTK_TREE_MODEL(wxgtk_model), &iter ));
+#else
+    // so get the path from the parent
+    GtkTreeIter iter;
+    iter.stamp = wxgtk_model->stamp;
+    iter.user_data = (gpointer) parent.GetID();
+    wxGtkTreePath path(wxgtk_tree_model_get_path(
+        GTK_TREE_MODEL(wxgtk_model), &iter ));
+    // and add the final index ourselves
+    int index = m_internal->GetIndexOf( parent, item );
+    gtk_tree_path_append_index( path, index );
+#endif

 
 

-    GtkTreePath *path = wxgtk_tree_model_get_path(
-        GTK_TREE_MODEL(m_wxgtk_model), &iter );

     gtk_tree_model_row_deleted(
     gtk_tree_model_row_deleted(

-        GTK_TREE_MODEL(m_wxgtk_model), path );
-    gtk_tree_path_free (path);
+        GTK_TREE_MODEL(wxgtk_model), path );

 
 

-    m_owner->GtkGetInternal()->ItemDeleted( parent, item );
+    m_internal->ItemDeleted( parent, item );

 
     return true;
 }
 
 void wxGtkDataViewModelNotifier::Resort()
 {
 
     return true;
 }
 
 void wxGtkDataViewModelNotifier::Resort()
 {

-    m_owner->GtkGetInternal()->Resort();
+    m_internal->Resort();

 }
 
 bool wxGtkDataViewModelNotifier::ItemChanged( const wxDataViewItem &item )
 {
 }
 
 bool wxGtkDataViewModelNotifier::ItemChanged( const wxDataViewItem &item )
 {

+    GtkWxTreeModel *wxgtk_model = m_internal->GetGtkModel();
+

     GtkTreeIter iter;
     GtkTreeIter iter;

-    iter.stamp = m_wxgtk_model->stamp;
+    iter.stamp = wxgtk_model->stamp;

     iter.user_data = (gpointer) item.GetID();
 
     iter.user_data = (gpointer) item.GetID();
 

-    GtkTreePath *path = wxgtk_tree_model_get_path(
-        GTK_TREE_MODEL(m_wxgtk_model), &iter );
+    wxGtkTreePath path(wxgtk_tree_model_get_path(
+        GTK_TREE_MODEL(wxgtk_model), &iter ));

     gtk_tree_model_row_changed(
     gtk_tree_model_row_changed(

-        GTK_TREE_MODEL(m_wxgtk_model), path, &iter );
-    gtk_tree_path_free (path);
+        GTK_TREE_MODEL(wxgtk_model), path, &iter );

 
 

-    m_owner->GtkGetInternal()->ItemChanged( item );
+    m_internal->ItemChanged( item );

 
     return true;
 }
 
 
     return true;
 }
 

-bool wxGtkDataViewModelNotifier::ValueChanged( const wxDataViewItem &item, unsigned int model_col )
+bool wxGtkDataViewModelNotifier::ValueChanged( const wxDataViewItem &item, unsigned int model_column )

 {
 {

+    GtkWxTreeModel *wxgtk_model = m_internal->GetGtkModel();
+    wxDataViewCtrl *ctrl = m_internal->GetOwner();
+

     // This adds GTK+'s missing MVC logic for ValueChanged
     unsigned int index;
     // This adds GTK+'s missing MVC logic for ValueChanged
     unsigned int index;

-    for (index = 0; index < m_owner->GetColumnCount(); index++)
+    for (index = 0; index < ctrl->GetColumnCount(); index++)

     {
     {

-        wxDataViewColumn *column = m_owner->GetColumn( index );
-        if (column->GetModelColumn() == model_col)
+        wxDataViewColumn *column = ctrl->GetColumn( index );
+        if (column->GetModelColumn() == model_column)

         {
         {

-            GtkTreeView *widget = GTK_TREE_VIEW(m_owner->m_treeview);
+            GtkTreeView *widget = GTK_TREE_VIEW(ctrl->GtkGetTreeView());

             GtkTreeViewColumn *gcolumn = GTK_TREE_VIEW_COLUMN(column->GetGtkHandle());
 
             // Get cell area
             GtkTreeIter iter;
             GtkTreeViewColumn *gcolumn = GTK_TREE_VIEW_COLUMN(column->GetGtkHandle());
 
             // Get cell area
             GtkTreeIter iter;

-            iter.stamp = m_wxgtk_model->stamp;
+            iter.stamp = wxgtk_model->stamp;

             iter.user_data = (gpointer) item.GetID();
             iter.user_data = (gpointer) item.GetID();

-            GtkTreePath *path = wxgtk_tree_model_get_path(
-                GTK_TREE_MODEL(m_wxgtk_model), &iter );
+            wxGtkTreePath path(wxgtk_tree_model_get_path(
+                GTK_TREE_MODEL(wxgtk_model), &iter ));

             GdkRectangle cell_area;
             gtk_tree_view_get_cell_area( widget, path, gcolumn, &cell_area );
             GdkRectangle cell_area;
             gtk_tree_view_get_cell_area( widget, path, gcolumn, &cell_area );

-            gtk_tree_path_free( path );

 
             GtkAdjustment* hadjust = gtk_tree_view_get_hadjustment( widget );
             double d = gtk_adjustment_get_value( hadjust );
 
             GtkAdjustment* hadjust = gtk_tree_view_get_hadjustment( widget );
             double d = gtk_adjustment_get_value( hadjust );


@@ -1180,7 +1662,7 @@ bool wxGtkDataViewModelNotifier::ValueChanged( const wxDataViewItem &item, unsig
             gtk_widget_queue_draw_area( GTK_WIDGET(widget),
                 cell_area.x - xdiff, ydiff + cell_area.y, cell_area.width, cell_area.height );
 
             gtk_widget_queue_draw_area( GTK_WIDGET(widget),
                 cell_area.x - xdiff, ydiff + cell_area.y, cell_area.width, cell_area.height );
 

-            m_owner->GtkGetInternal()->ValueChanged( item, model_col );
+            m_internal->ValueChanged( item, model_column );

 
             return true;
         }
 
             return true;
         }


@@ -1189,18 +1671,47 @@ bool wxGtkDataViewModelNotifier::ValueChanged( const wxDataViewItem &item, unsig
     return false;
 }
 
     return false;
 }
 

+bool wxGtkDataViewModelNotifier::BeforeReset()
+{
+    GtkWidget *treeview = m_internal->GetOwner()->GtkGetTreeView();
+    gtk_tree_view_set_model( GTK_TREE_VIEW(treeview), NULL );
+
+    return true;
+}
+
+bool wxGtkDataViewModelNotifier::AfterReset()
+{
+    GtkWidget *treeview = m_internal->GetOwner()->GtkGetTreeView();
+    GtkWxTreeModel *wxgtk_model = m_internal->GetGtkModel();
+
+    m_internal->Cleared();
+
+    gtk_tree_view_set_model( GTK_TREE_VIEW(treeview), GTK_TREE_MODEL(wxgtk_model) );
+
+    return true;
+}
+

 bool wxGtkDataViewModelNotifier::Cleared()
 {
 bool wxGtkDataViewModelNotifier::Cleared()
 {

-    gtk_tree_view_set_model( GTK_TREE_VIEW(m_owner->m_treeview), NULL );
-    
-    // this will create a new GTK model
-    m_owner->GtkGetInternal()->Cleared();
-    
-    SetGtkModel( m_owner->GtkGetInternal()->GetGtkModel() );
+    GtkWxTreeModel *wxgtk_model = m_internal->GetGtkModel();

 
 

-    gtk_tree_view_set_model( GTK_TREE_VIEW(m_owner->m_treeview), GTK_TREE_MODEL(m_wxgtk_model) );
-    
-    return false;
+    // There is no call to tell the model that everything
+    // has been deleted so call row_deleted() for every
+    // child of root...
+
+    int count = m_internal->iter_n_children( NULL ); // number of children of root
+
+    GtkTreePath *path = gtk_tree_path_new_first();  // points to root
+
+    int i;
+    for (i = 0; i < count; i++)
+        gtk_tree_model_row_deleted( GTK_TREE_MODEL(wxgtk_model), path );
+
+    gtk_tree_path_free( path );
+
+    m_internal->Cleared();
+
+    return true;

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


@@ -1227,22 +1738,21 @@ static void
 wxgtk_renderer_editing_started( GtkCellRenderer *WXUNUSED(cell), GtkCellEditable *editable,
                                 gchar *path, wxDataViewRenderer *wxrenderer )
 {
 wxgtk_renderer_editing_started( GtkCellRenderer *WXUNUSED(cell), GtkCellEditable *editable,
                                 gchar *path, wxDataViewRenderer *wxrenderer )
 {

+    if (!editable)
+       return;
+

     wxDataViewColumn *column = wxrenderer->GetOwner();
     wxDataViewCtrl *dv = column->GetOwner();
     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_STARTED, dv->GetId() );
     event.SetDataViewColumn( column );
     event.SetModel( dv->GetModel() );
     wxDataViewColumn *column = wxrenderer->GetOwner();
     wxDataViewCtrl *dv = column->GetOwner();
     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_STARTED, dv->GetId() );
     event.SetDataViewColumn( column );
     event.SetModel( dv->GetModel() );

-    GtkTreePath *tree_path = gtk_tree_path_new_from_string( path );
-    GtkTreeIter iter;
-    dv->GtkGetInternal()->get_iter( &iter, tree_path );
-    gtk_tree_path_free( tree_path );
-    wxDataViewItem item( iter.user_data );
+    wxDataViewItem item(dv->GTKPathToItem(wxGtkTreePath(path)));

     event.SetItem( item );
     dv->HandleWindowEvent( event );
 
     if (GTK_IS_CELL_EDITABLE(editable))
     {
     event.SetItem( item );
     dv->HandleWindowEvent( event );
 
     if (GTK_IS_CELL_EDITABLE(editable))
     {

-        s_user_data = iter.user_data;
+        s_user_data = item.GetID();

 
         g_signal_connect (GTK_CELL_EDITABLE (editable), "editing_done",
             G_CALLBACK (wxgtk_cell_editable_editing_done),
 
         g_signal_connect (GTK_CELL_EDITABLE (editable), "editing_done",
             G_CALLBACK (wxgtk_cell_editable_editing_done),


@@ -1259,18 +1769,27 @@ wxDataViewRenderer::wxDataViewRenderer( const wxString &varianttype, wxDataViewC
     wxDataViewRendererBase( varianttype, mode, align )
 {
     m_renderer = NULL;
     wxDataViewRendererBase( varianttype, mode, align )
 {
     m_renderer = NULL;

+    m_mode = mode;
+
+    // we haven't changed them yet
+    m_usingDefaultAttrs = true;

 
     // NOTE: SetMode() and SetAlignment() needs to be called in the renderer's ctor,
     //       after the m_renderer pointer has been initialized
 }
 
 
     // NOTE: SetMode() and SetAlignment() needs to be called in the renderer's ctor,
     //       after the m_renderer pointer has been initialized
 }
 

+void wxDataViewRenderer::GtkPackIntoColumn(GtkTreeViewColumn *column)
+{
+    gtk_tree_view_column_pack_end( column, m_renderer, TRUE /* expand */);
+}
+

 void wxDataViewRenderer::GtkInitHandlers()
 {
     if (!gtk_check_version(2,6,0))
     {
         g_signal_connect (GTK_CELL_RENDERER(m_renderer), "editing_started",
 void wxDataViewRenderer::GtkInitHandlers()
 {
     if (!gtk_check_version(2,6,0))
     {
         g_signal_connect (GTK_CELL_RENDERER(m_renderer), "editing_started",

-                   G_CALLBACK (wxgtk_renderer_editing_started),
-                   this);
+            G_CALLBACK (wxgtk_renderer_editing_started),
+            this);

     }
 }
 
     }
 }
 


@@ -1279,17 +1798,25 @@ void wxDataViewRenderer::SetMode( wxDataViewCellMode mode )
     GtkCellRendererMode gtkMode;
     switch (mode)
     {
     GtkCellRendererMode gtkMode;
     switch (mode)
     {

-    case wxDATAVIEW_CELL_INERT:
-        gtkMode = GTK_CELL_RENDERER_MODE_INERT;
-        break;
-    case wxDATAVIEW_CELL_ACTIVATABLE:
-        gtkMode = GTK_CELL_RENDERER_MODE_ACTIVATABLE;
-        break;
-    case wxDATAVIEW_CELL_EDITABLE:
-        gtkMode = GTK_CELL_RENDERER_MODE_EDITABLE;
-        break;
+        case wxDATAVIEW_CELL_INERT:
+            gtkMode = GTK_CELL_RENDERER_MODE_INERT;
+            break;
+
+        case wxDATAVIEW_CELL_ACTIVATABLE:
+            gtkMode = GTK_CELL_RENDERER_MODE_ACTIVATABLE;
+            break;
+
+        case wxDATAVIEW_CELL_EDITABLE:
+            gtkMode = GTK_CELL_RENDERER_MODE_EDITABLE;
+            break;
+
+        default:
+            wxFAIL_MSG( "unknown wxDataViewCellMode value" );
+            return;

     }
 
     }
 

+    m_mode = mode;
+    

     // This value is most often ignored in GtkTreeView
     GValue gvalue = { 0, };
     g_value_init( &gvalue, gtk_cell_renderer_mode_get_type() );
     // This value is most often ignored in GtkTreeView
     GValue gvalue = { 0, };
     g_value_init( &gvalue, gtk_cell_renderer_mode_get_type() );


@@ -1307,15 +1834,21 @@ wxDataViewCellMode wxDataViewRenderer::GetMode() const
 
     switch (g_value_get_enum(&gvalue))
     {
 
     switch (g_value_get_enum(&gvalue))
     {

-    case GTK_CELL_RENDERER_MODE_INERT:
-        ret = wxDATAVIEW_CELL_INERT;
-        break;
-    case GTK_CELL_RENDERER_MODE_ACTIVATABLE:
-        ret = wxDATAVIEW_CELL_ACTIVATABLE;
-        break;
-    case GTK_CELL_RENDERER_MODE_EDITABLE:
-        ret = wxDATAVIEW_CELL_EDITABLE;
-        break;
+        default:
+            wxFAIL_MSG( "unknown GtkCellRendererMode value" );
+            // fall through (we have to return something)
+
+        case GTK_CELL_RENDERER_MODE_INERT:
+            ret = wxDATAVIEW_CELL_INERT;
+            break;
+
+        case GTK_CELL_RENDERER_MODE_ACTIVATABLE:
+            ret = wxDATAVIEW_CELL_ACTIVATABLE;
+            break;
+
+        case GTK_CELL_RENDERER_MODE_EDITABLE:
+            ret = wxDATAVIEW_CELL_EDITABLE;
+            break;

     }
 
     g_value_unset( &gvalue );
     }
 
     g_value_unset( &gvalue );


@@ -1323,8 +1856,21 @@ wxDataViewCellMode wxDataViewRenderer::GetMode() const
     return ret;
 }
 
     return ret;
 }
 

-void wxDataViewRenderer::SetAlignment( int align )
+void wxDataViewRenderer::GtkApplyAlignment(GtkCellRenderer *renderer)

 {
 {

+    int align = m_alignment;
+
+    // query alignment from column ?
+    if (align == -1)
+    {
+        // None there yet
+        if (GetOwner() == NULL)
+            return;
+
+        align = GetOwner()->GetAlignment();
+        align |= wxALIGN_CENTRE_VERTICAL;
+    }
+

     // horizontal alignment:
 
     gfloat xalign = 0.0;
     // horizontal alignment:
 
     gfloat xalign = 0.0;


@@ -1336,7 +1882,7 @@ void wxDataViewRenderer::SetAlignment( int align )
     GValue gvalue = { 0, };
     g_value_init( &gvalue, G_TYPE_FLOAT );
     g_value_set_float( &gvalue, xalign );
     GValue gvalue = { 0, };
     g_value_init( &gvalue, G_TYPE_FLOAT );
     g_value_set_float( &gvalue, xalign );

-    g_object_set_property( G_OBJECT(m_renderer), "xalign", &gvalue );
+    g_object_set_property( G_OBJECT(renderer), "xalign", &gvalue );

     g_value_unset( &gvalue );
 
     // vertical alignment:
     g_value_unset( &gvalue );
 
     // vertical alignment:


@@ -1350,85 +1896,211 @@ void wxDataViewRenderer::SetAlignment( int align )
     GValue gvalue2 = { 0, };
     g_value_init( &gvalue2, G_TYPE_FLOAT );
     g_value_set_float( &gvalue2, yalign );
     GValue gvalue2 = { 0, };
     g_value_init( &gvalue2, G_TYPE_FLOAT );
     g_value_set_float( &gvalue2, yalign );

-    g_object_set_property( G_OBJECT(m_renderer), "yalign", &gvalue2 );
+    g_object_set_property( G_OBJECT(renderer), "yalign", &gvalue2 );

     g_value_unset( &gvalue2 );
 }
 
     g_value_unset( &gvalue2 );
 }
 

+void wxDataViewRenderer::SetAlignment( int align )
+{
+    m_alignment = align;
+    GtkUpdateAlignment();
+}
+

 int wxDataViewRenderer::GetAlignment() const
 {
 int wxDataViewRenderer::GetAlignment() const
 {

-    int ret = 0;
-    GValue gvalue;
+    return m_alignment;
+}

 
 

-    // horizontal alignment:
+void wxDataViewRenderer::EnableEllipsize(wxEllipsizeMode mode)
+{
+#ifdef __WXGTK26__
+    if ( gtk_check_version(2, 6, 0) != NULL )
+        return;

 
 

-    g_object_get( G_OBJECT(m_renderer), "xalign", &gvalue, NULL );
-    float xalign = g_value_get_float( &gvalue );
-    if (xalign < 0.5)
-        ret |= wxALIGN_LEFT;
-    else if (xalign == 0.5)
-        ret |= wxALIGN_CENTER_HORIZONTAL;
-    else
-        ret |= wxALIGN_RIGHT;
+    GtkCellRendererText * const rend = GtkGetTextRenderer();
+    if ( !rend )
+        return;
+
+    // we use the same values in wxEllipsizeMode as PangoEllipsizeMode so we
+    // can just cast between them
+    GValue gvalue = { 0, };
+    g_value_init( &gvalue, PANGO_TYPE_ELLIPSIZE_MODE );
+    g_value_set_enum( &gvalue, static_cast<PangoEllipsizeMode>(mode) );
+    g_object_set_property( G_OBJECT(rend), "ellipsize", &gvalue );

     g_value_unset( &gvalue );
     g_value_unset( &gvalue );

+#else // GTK < 2.6
+    wxUnusedVar(mode);
+#endif // GTK 2.6/before
+}

 
 

+wxEllipsizeMode wxDataViewRenderer::GetEllipsizeMode() const
+{
+#ifdef __WXGTK26__
+    if ( gtk_check_version(2, 6, 0) != NULL )
+        return wxELLIPSIZE_NONE;

 
 

-    // vertical alignment:
+    GtkCellRendererText * const rend = GtkGetTextRenderer();
+    if ( !rend )
+        return wxELLIPSIZE_NONE;

 
 

-    g_object_get( G_OBJECT(m_renderer), "yalign", &gvalue, NULL );
-    float yalign = g_value_get_float( &gvalue );
-    if (yalign < 0.5)
-        ret |= wxALIGN_TOP;
-    else if (yalign == 0.5)
-        ret |= wxALIGN_CENTER_VERTICAL;
-    else
-        ret |= wxALIGN_BOTTOM;
+    GValue gvalue = { 0, };
+    g_value_init( &gvalue, PANGO_TYPE_ELLIPSIZE_MODE );
+    g_object_get_property( G_OBJECT(rend), "ellipsize", &gvalue );
+    wxEllipsizeMode
+        mode = static_cast<wxEllipsizeMode>(g_value_get_enum( &gvalue ));

     g_value_unset( &gvalue );
 
     g_value_unset( &gvalue );
 

-    return ret;
+    return mode;
+#else // GTK < 2.6
+    return wxELLIPSIZE_NONE;
+#endif // GTK 2.6/before

 }
 
 }
 

+void
+wxDataViewRenderer::GtkOnTextEdited(const gchar *itempath, const wxString& str)
+{
+    wxVariant value(str);
+    if (!Validate( value ))
+        return;
+
+    wxDataViewItem
+        item(GetOwner()->GetOwner()->GTKPathToItem(wxGtkTreePath(itempath)));

 
 

+    GtkOnCellChanged(value, item, GetOwner()->GetModelColumn());
+}
+
+void
+wxDataViewRenderer::GtkOnCellChanged(const wxVariant& value,
+                                     const wxDataViewItem& item,
+                                     unsigned col)
+{
+    wxDataViewModel *model = GetOwner()->GetOwner()->GetModel();
+    model->ChangeValue( value, item, col );
+}

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

-extern "C" {
-static void wxGtkTextRendererEditedCallback( GtkCellRendererText *renderer,
-    gchar *arg1, gchar *arg2, gpointer user_data );
-}
+extern "C"
+{

 
 static void wxGtkTextRendererEditedCallback( GtkCellRendererText *WXUNUSED(renderer),
     gchar *arg1, gchar *arg2, gpointer user_data )
 {
 
 static void wxGtkTextRendererEditedCallback( GtkCellRendererText *WXUNUSED(renderer),
     gchar *arg1, gchar *arg2, gpointer user_data )
 {

-    wxDataViewTextRenderer *cell = (wxDataViewTextRenderer*) user_data;
+    wxDataViewRenderer *cell = (wxDataViewRenderer*) user_data;

 
 

-    wxString tmp = wxGTK_CONV_BACK_FONT(arg2, cell->GetOwner()->GetOwner()->GetFont());
-    wxVariant value = tmp;
-    if (!cell->Validate( value ))
-        return;
+    cell->GtkOnTextEdited(arg1, wxGTK_CONV_BACK_FONT(
+                arg2, cell->GetOwner()->GetOwner()->GetFont()));
+}

 
 

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

 
 

-    GtkTreePath *path = gtk_tree_path_new_from_string( arg1 );
-    GtkTreeIter iter;
-    cell->GetOwner()->GetOwner()->GtkGetInternal()->get_iter( &iter, path );
-    wxDataViewItem item( (void*) iter.user_data );;
-    gtk_tree_path_free( path );
+namespace
+{

 
 

-    unsigned int model_col = cell->GetOwner()->GetModelColumn();
+// helper function used by wxDataViewTextRenderer and
+// wxDataViewCustomRenderer::RenderText(): it applies the attributes to the
+// given text renderer and returns true if anything was done
+bool GtkApplyAttr(GtkCellRendererText *renderer, const wxDataViewItemAttr& attr)
+{
+    bool usingDefaultAttrs = true;
+    if (attr.HasColour())
+    {
+        const GdkColor * const gcol = attr.GetColour().GetColor();
+
+        GValue gvalue = { 0, };
+        g_value_init( &gvalue, GDK_TYPE_COLOR );
+        g_value_set_boxed( &gvalue, gcol );
+        g_object_set_property( G_OBJECT(renderer), "foreground_gdk", &gvalue );
+        g_value_unset( &gvalue );
+
+        usingDefaultAttrs = false;
+    }
+    else
+    {
+        GValue gvalue = { 0, };
+        g_value_init( &gvalue, G_TYPE_BOOLEAN );
+        g_value_set_boolean( &gvalue, FALSE );
+        g_object_set_property( G_OBJECT(renderer), "foreground-set", &gvalue );
+        g_value_unset( &gvalue );
+    }

 
 

-    model->SetValue( value, item, model_col );
-    model->ValueChanged( item, model_col );
+    if (attr.GetItalic())
+    {
+        GValue gvalue = { 0, };
+        g_value_init( &gvalue, PANGO_TYPE_STYLE );
+        g_value_set_enum( &gvalue, PANGO_STYLE_ITALIC );
+        g_object_set_property( G_OBJECT(renderer), "style", &gvalue );
+        g_value_unset( &gvalue );
+
+        usingDefaultAttrs = false;
+    }
+    else
+    {
+        GValue gvalue = { 0, };
+        g_value_init( &gvalue, G_TYPE_BOOLEAN );
+        g_value_set_boolean( &gvalue, FALSE );
+        g_object_set_property( G_OBJECT(renderer), "style-set", &gvalue );
+        g_value_unset( &gvalue );
+    }
+
+
+    if (attr.GetBold())
+    {
+        GValue gvalue = { 0, };
+        g_value_init( &gvalue, PANGO_TYPE_WEIGHT );
+        g_value_set_enum( &gvalue, PANGO_WEIGHT_BOLD );
+        g_object_set_property( G_OBJECT(renderer), "weight", &gvalue );
+        g_value_unset( &gvalue );
+
+        usingDefaultAttrs = false;
+    }
+    else
+    {
+        GValue gvalue = { 0, };
+        g_value_init( &gvalue, G_TYPE_BOOLEAN );
+        g_value_set_boolean( &gvalue, FALSE );
+        g_object_set_property( G_OBJECT(renderer), "weight-set", &gvalue );
+        g_value_unset( &gvalue );
+    }
+
+#if 0
+    if (attr.HasBackgroundColour())
+    {
+        wxColour colour = attr.GetBackgroundColour();
+        const GdkColor * const gcol = colour.GetColor();
+
+        GValue gvalue = { 0, };
+        g_value_init( &gvalue, GDK_TYPE_COLOR );
+        g_value_set_boxed( &gvalue, gcol );
+        g_object_set_property( G_OBJECT(renderer), "cell-background_gdk", &gvalue );
+        g_value_unset( &gvalue );
+    }
+    else
+    {
+        GValue gvalue = { 0, };
+        g_value_init( &gvalue, G_TYPE_BOOLEAN );
+        g_value_set_boolean( &gvalue, FALSE );
+        g_object_set_property( G_OBJECT(renderer), "cell-background-set", &gvalue );
+        g_value_unset( &gvalue );
+    }
+#endif
+
+    return !usingDefaultAttrs;

 }
 
 }
 

+} // anonymous namespace
+

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

-    m_renderer = (GtkCellRenderer*) gtk_cell_renderer_text_new();
+    GtkWxCellRendererText *text_renderer = gtk_wx_cell_renderer_text_new();
+    text_renderer->wx_renderer = this;
+    m_renderer = (GtkCellRenderer*) text_renderer;

 
     if (mode & wxDATAVIEW_CELL_EDITABLE)
     {
 
     if (mode & wxDATAVIEW_CELL_EDITABLE)
     {


@@ -1447,29 +2119,25 @@ wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype, wxD
     SetAlignment(align);
 }
 
     SetAlignment(align);
 }
 

-bool wxDataViewTextRenderer::SetValue( const wxVariant &value )
+bool wxDataViewTextRenderer::SetTextValue(const wxString& str)

 {
 {

-    wxString tmp = value;
-

     GValue gvalue = { 0, };
     g_value_init( &gvalue, G_TYPE_STRING );
     GValue gvalue = { 0, };
     g_value_init( &gvalue, G_TYPE_STRING );

-    g_value_set_string( &gvalue, wxGTK_CONV_FONT( tmp, GetOwner()->GetOwner()->GetFont() ) );
+    g_value_set_string( &gvalue, wxGTK_CONV_FONT( str, GetOwner()->GetOwner()->GetFont() ) );

     g_object_set_property( G_OBJECT(m_renderer), "text", &gvalue );
     g_value_unset( &gvalue );
 
     return true;
 }
 
     g_object_set_property( G_OBJECT(m_renderer), "text", &gvalue );
     g_value_unset( &gvalue );
 
     return true;
 }
 

-bool wxDataViewTextRenderer::GetValue( wxVariant &value ) const
+bool wxDataViewTextRenderer::GetTextValue(wxString& str) const

 {
     GValue gvalue = { 0, };
     g_value_init( &gvalue, G_TYPE_STRING );
     g_object_get_property( G_OBJECT(m_renderer), "text", &gvalue );
 {
     GValue gvalue = { 0, };
     g_value_init( &gvalue, G_TYPE_STRING );
     g_object_get_property( G_OBJECT(m_renderer), "text", &gvalue );

-    wxString tmp = wxGTK_CONV_BACK_FONT( g_value_get_string( &gvalue ), wx_const_cast(wxDataViewTextRenderer*, this)->GetOwner()->GetOwner()->GetFont() );
+    str = wxGTK_CONV_BACK_FONT( g_value_get_string( &gvalue ), const_cast<wxDataViewTextRenderer*>(this)->GetOwner()->GetOwner()->GetFont() );

     g_value_unset( &gvalue );
 
     g_value_unset( &gvalue );
 

-    value = tmp;
-

     return true;
 }
 
     return true;
 }
 


@@ -1494,29 +2162,42 @@ void wxDataViewTextRenderer::SetAlignment( int align )
     g_value_unset( &gvalue );
 }
 
     g_value_unset( &gvalue );
 }
 

-// ---------------------------------------------------------
-// wxDataViewTextRendererAttr
-// ---------------------------------------------------------
-
-IMPLEMENT_CLASS(wxDataViewTextRendererAttr,wxDataViewTextRenderer)
+bool wxDataViewTextRenderer::GtkSetAttr(const wxDataViewItemAttr& attr)
+{
+    return GtkApplyAttr(GtkGetTextRenderer(), attr);
+}

 
 

-wxDataViewTextRendererAttr::wxDataViewTextRendererAttr( const wxString &varianttype,
-                            wxDataViewCellMode mode, int align ) :
-   wxDataViewTextRenderer( varianttype, mode, align )
+GtkCellRendererText *wxDataViewTextRenderer::GtkGetTextRenderer() const

 {
 {

+    return GTK_CELL_RENDERER_TEXT(m_renderer);

 }
 
 // ---------------------------------------------------------
 // wxDataViewBitmapRenderer
 // ---------------------------------------------------------
 
 }
 
 // ---------------------------------------------------------
 // wxDataViewBitmapRenderer
 // ---------------------------------------------------------
 

+namespace
+{
+
+// set "pixbuf" property on the given renderer
+void SetPixbufProp(GtkCellRenderer *renderer, GdkPixbuf *pixbuf)
+{
+    GValue gvalue = { 0, };
+    g_value_init( &gvalue, G_TYPE_OBJECT );
+    g_value_set_object( &gvalue, pixbuf );
+    g_object_set_property( G_OBJECT(renderer), "pixbuf", &gvalue );
+    g_value_unset( &gvalue );
+}
+
+} // anonymous namespace
+

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

-    m_renderer = (GtkCellRenderer*) gtk_cell_renderer_pixbuf_new();
+    m_renderer = gtk_cell_renderer_pixbuf_new();

 
     SetMode(mode);
     SetAlignment(align);
 
     SetMode(mode);
     SetAlignment(align);


@@ -1529,38 +2210,23 @@ bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
         wxBitmap bitmap;
         bitmap << value;
 
         wxBitmap bitmap;
         bitmap << value;
 

-        // This may create a Pixbuf representation in the
-        // wxBitmap object (and it will stay there)
-        GdkPixbuf *pixbuf = bitmap.GetPixbuf();
-
-        GValue gvalue = { 0, };
-        g_value_init( &gvalue, G_TYPE_OBJECT );
-        g_value_set_object( &gvalue, pixbuf );
-        g_object_set_property( G_OBJECT(m_renderer), "pixbuf", &gvalue );
-        g_value_unset( &gvalue );
-
-        return true;
+        // GetPixbuf() may create a Pixbuf representation in the wxBitmap
+        // object (and it will stay there and remain owned by wxBitmap)
+        SetPixbufProp(m_renderer, bitmap.GetPixbuf());

     }
     }

-
-    if (value.GetType() == wxT("wxIcon"))
+    else if (value.GetType() == wxT("wxIcon"))

     {
     {

-        wxIcon bitmap;
-        bitmap << value;
+        wxIcon icon;
+        icon << value;

 
 

-        // This may create a Pixbuf representation in the
-        // wxBitmap object (and it will stay there)
-        GdkPixbuf *pixbuf = bitmap.GetPixbuf();
-
-        GValue gvalue = { 0, };
-        g_value_init( &gvalue, G_TYPE_OBJECT );
-        g_value_set_object( &gvalue, pixbuf );
-        g_object_set_property( G_OBJECT(m_renderer), "pixbuf", &gvalue );
-        g_value_unset( &gvalue );
-
-        return true;
+        SetPixbufProp(m_renderer, icon.GetPixbuf());
+    }
+    else
+    {
+        return false;

     }
 
     }
 

-    return false;
+    return true;

 }
 
 bool wxDataViewBitmapRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
 }
 
 bool wxDataViewBitmapRenderer::GetValue( wxVariant &WXUNUSED(value) ) const


@@ -1595,18 +2261,14 @@ static void wxGtkToggleRendererToggledCallback( GtkCellRendererToggle *renderer,
     if (!cell->Validate( value ))
         return;
 
     if (!cell->Validate( value ))
         return;
 

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

 
 

-    GtkTreePath *gtk_path = gtk_tree_path_new_from_string( path );
-    GtkTreeIter iter;
-    cell->GetOwner()->GetOwner()->GtkGetInternal()->get_iter( &iter, gtk_path );
-    wxDataViewItem item( (void*) iter.user_data );;
-    gtk_tree_path_free( gtk_path );
+    wxDataViewItem item(ctrl->GTKPathToItem(wxGtkTreePath(path)));

 
     unsigned int model_col = cell->GetOwner()->GetModelColumn();
 
 
     unsigned int model_col = cell->GetOwner()->GetModelColumn();
 

-    model->SetValue( value, item, model_col );
-    model->ValueChanged( item, model_col );
+    model->ChangeValue( value, item, model_col );

 }
 
 IMPLEMENT_CLASS(wxDataViewToggleRenderer, wxDataViewRenderer)
 }
 
 IMPLEMENT_CLASS(wxDataViewToggleRenderer, wxDataViewRenderer)


@@ -1674,12 +2336,12 @@ public:
         GtkWidget *widget = window->m_treeview;
         // Set later
         m_gdkwindow = NULL;
         GtkWidget *widget = window->m_treeview;
         // Set later
         m_gdkwindow = NULL;

-        
+

         m_window = window;
 
         m_window = window;
 

-        m_context = window->GtkGetPangoDefaultContext();
+        m_context = window->GTKGetPangoDefaultContext();

         m_layout = pango_layout_new( m_context );
         m_layout = pango_layout_new( m_context );

-        m_fontdesc = pango_font_description_copy( widget->style->font_desc );
+        m_fontdesc = pango_font_description_copy(gtk_widget_get_style(widget)->font_desc);

 
         m_cmap = gtk_widget_get_colormap( widget ? widget : window->m_widget );
 
 
         m_cmap = gtk_widget_get_colormap( widget ? widget : window->m_widget );
 


@@ -1693,9 +2355,9 @@ class wxDataViewCtrlDC: public wxWindowDC
 public:
     wxDataViewCtrlDC( wxDataViewCtrl *window ) :
         wxWindowDC( new wxDataViewCtrlDCImpl( this, window ) )
 public:
     wxDataViewCtrlDC( wxDataViewCtrl *window ) :
         wxWindowDC( new wxDataViewCtrlDCImpl( this, window ) )

-        { } 
+        { }

 };
 };

-    
+

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


@@ -1704,9 +2366,10 @@ public:
 IMPLEMENT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
 
 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
 IMPLEMENT_CLASS(wxDataViewCustomRenderer, wxDataViewRenderer)
 
 wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,

-                                                    wxDataViewCellMode mode, int align,
-                                                    bool no_init ) :
-    wxDataViewRenderer( varianttype, mode, align )
+                                                    wxDataViewCellMode mode,
+                                                    int align,
+                                                    bool no_init )
+    : wxDataViewCustomRendererBase( varianttype, mode, align )

 {
     m_dc = NULL;
     m_text_renderer = NULL;
 {
     m_dc = NULL;
     m_text_renderer = NULL;


@@ -1717,39 +2380,54 @@ wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
         Init(mode, align);
 }
 
         Init(mode, align);
 }
 

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

 {
 {

-#if 0
-    wxDataViewCtrl *view = GetOwner()->GetOwner();
-    wxColour col = (state & wxDATAVIEW_CELL_SELECTED) ?
-                        wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) :
-                        view->GetForegroundColour();
-    dc->SetTextForeground(col);
-    dc->DrawText( text, cell.x + xoffset, cell.y + ((cell.height - dc->GetCharHeight()) / 2));
-#else
-    if (!m_text_renderer)
-        m_text_renderer = gtk_cell_renderer_text_new();
+    m_text_renderer = GTK_CELL_RENDERER_TEXT(gtk_cell_renderer_text_new());
+    g_object_ref_sink(m_text_renderer);
+
+    GtkApplyAlignment(GTK_CELL_RENDERER(m_text_renderer));
+}
+
+GtkCellRendererText *wxDataViewCustomRenderer::GtkGetTextRenderer() const
+{
+    if ( !m_text_renderer )
+    {
+        // we create it on demand so need to do it even from a const function
+        const_cast<wxDataViewCustomRenderer *>(this)->GtkInitTextRenderer();
+    }
+
+    return m_text_renderer;
+}
+
+void wxDataViewCustomRenderer::RenderText( const wxString &text,
+                                           int xoffset,
+                                           wxRect cell,
+                                           wxDC *WXUNUSED(dc),
+                                           int WXUNUSED(state) )
+{
+
+    GtkCellRendererText * const textRenderer = GtkGetTextRenderer();

 
     GValue gvalue = { 0, };
     g_value_init( &gvalue, G_TYPE_STRING );
     g_value_set_string( &gvalue, wxGTK_CONV_FONT( text, GetOwner()->GetOwner()->GetFont() ) );
 
     GValue gvalue = { 0, };
     g_value_init( &gvalue, G_TYPE_STRING );
     g_value_set_string( &gvalue, wxGTK_CONV_FONT( text, GetOwner()->GetOwner()->GetFont() ) );

-    g_object_set_property( G_OBJECT(m_text_renderer), "text", &gvalue );
+    g_object_set_property( G_OBJECT(textRenderer), "text", &gvalue );

     g_value_unset( &gvalue );
 
     g_value_unset( &gvalue );
 

-    ((GdkRectangle*) cell_area)->x += xoffset;
-    ((GdkRectangle*) cell_area)->width -= xoffset;
+    GtkApplyAttr(textRenderer, GetAttr());

 
 

-    gtk_cell_renderer_render( m_text_renderer,
-        window,
-        widget,
-        (GdkRectangle*) background_area,
-        (GdkRectangle*) cell_area,
-        (GdkRectangle*) expose_area,
-        (GtkCellRendererState) flags );
+    GdkRectangle cell_area;
+    wxRectToGDKRect(cell, cell_area);
+    cell_area.x += xoffset;
+    cell_area.width -= xoffset;

 
 

-    ((GdkRectangle*) cell_area)->x -= xoffset;
-    ((GdkRectangle*) cell_area)->width += xoffset;
-#endif
+    gtk_cell_renderer_render( GTK_CELL_RENDERER(textRenderer),
+        m_renderParams.window,
+        m_renderParams.widget,
+        m_renderParams.background_area,
+        &cell_area,
+        m_renderParams.expose_area,
+        (GtkCellRendererState) m_renderParams.flags );

 }
 
 bool wxDataViewCustomRenderer::Init(wxDataViewCellMode mode, int align)
 }
 
 bool wxDataViewCustomRenderer::Init(wxDataViewCellMode mode, int align)


@@ -1773,7 +2451,7 @@ wxDataViewCustomRenderer::~wxDataViewCustomRenderer()
         delete m_dc;
 
     if (m_text_renderer)
         delete m_dc;
 
     if (m_text_renderer)

-        gtk_object_sink( GTK_OBJECT(m_text_renderer) );
+        g_object_unref(m_text_renderer);

 }
 
 wxDC *wxDataViewCustomRenderer::GetDC()
 }
 
 wxDC *wxDataViewCustomRenderer::GetDC()


@@ -1808,15 +2486,20 @@ wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
     {
         m_renderer = (GtkCellRenderer*) gtk_cell_renderer_progress_new();
 
     {
         m_renderer = (GtkCellRenderer*) gtk_cell_renderer_progress_new();
 

-        GValue gvalue = { 0, };
-        g_value_init( &gvalue, G_TYPE_STRING );
-
-        g_value_set_string( &gvalue, wxGTK_CONV_FONT( m_label, GetOwner()->GetOwner()->GetFont() ) );
-        g_object_set_property( G_OBJECT(m_renderer), "text", &gvalue );
-        g_value_unset( &gvalue );
-

         SetMode(mode);
         SetAlignment(align);
         SetMode(mode);
         SetAlignment(align);

+
+#if !wxUSE_UNICODE
+        // We can't initialize the renderer just yet because we don't have the
+        // pointer to the column that uses this renderer yet and so attempt to
+        // dereference GetOwner() to get the font that is used as a source of
+        // encoding in multibyte-to-Unicode conversion in GTKSetLabel() in
+        // non-Unicode builds would crash. So simply remember to do it later.
+        if ( !m_label.empty() )
+            m_needsToSetLabel = true;
+        else
+#endif // !wxUSE_UNICODE
+            GTKSetLabel();

     }
     else
 #endif
     }
     else
 #endif


@@ -1830,11 +2513,36 @@ wxDataViewProgressRenderer::~wxDataViewProgressRenderer()
 {
 }
 
 {
 }
 

+void wxDataViewProgressRenderer::GTKSetLabel()
+{
+    GValue gvalue = { 0, };
+    g_value_init( &gvalue, G_TYPE_STRING );
+
+    // Take care to not use GetOwner() here if the label is empty, we can be
+    // called from ctor when GetOwner() is still NULL in this case.
+    g_value_set_string( &gvalue,
+                        m_label.empty() ? ""
+                                        : wxGTK_CONV_FONT(m_label,
+                                            GetOwner()->GetOwner()->GetFont())
+                      );
+    g_object_set_property( G_OBJECT(m_renderer), "text", &gvalue );
+    g_value_unset( &gvalue );
+
+#if !wxUSE_UNICODE
+    m_needsToSetLabel = false;
+#endif // !wxUSE_UNICODE
+}
+

 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
 {
 #ifdef __WXGTK26__
     if (!gtk_check_version(2,6,0))
     {
 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
 {
 #ifdef __WXGTK26__
     if (!gtk_check_version(2,6,0))
     {

+#if !wxUSE_UNICODE
+        if ( m_needsToSetLabel )
+            GTKSetLabel();
+#endif // !wxUSE_UNICODE
+

         gint tmp = (long) value;
         GValue gvalue = { 0, };
         g_value_init( &gvalue, G_TYPE_INT );
         gint tmp = (long) value;
         GValue gvalue = { 0, };
         g_value_init( &gvalue, G_TYPE_INT );


@@ -1854,12 +2562,12 @@ bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
     return true;
 }
 
     return true;
 }
 

-bool wxDataViewProgressRenderer::GetValue( wxVariant &value ) const
+bool wxDataViewProgressRenderer::GetValue( wxVariant &WXUNUSED(value) ) const

 {
     return false;
 }
 
 {
     return false;
 }
 

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

 {
     double pct = (double)m_value / 100.0;
     wxRect bar = cell;
 {
     double pct = (double)m_value / 100.0;
     wxRect bar = cell;


@@ -1880,16 +2588,177 @@ wxSize wxDataViewProgressRenderer::GetSize() const
     return wxSize(40,12);
 }
 
     return wxSize(40,12);
 }
 

-// ---------------------------------------------------------
-// wxDataViewDateRenderer
-// ---------------------------------------------------------
+// -------------------------------------
+// wxDataViewChoiceRenderer
+// -------------------------------------

 
 

-class wxDataViewDateRendererPopupTransient: public wxPopupTransientWindow
+wxDataViewChoiceRenderer::wxDataViewChoiceRenderer( const wxArrayString &choices,
+                            wxDataViewCellMode mode, int alignment  ) :
+    wxDataViewCustomRenderer( "string", mode, alignment, true )

 {
 {

-public:
-    wxDataViewDateRendererPopupTransient( wxWindow* parent, wxDateTime *value,
-        wxDataViewModel *model, const wxDataViewItem &item, unsigned int col ) :
-        wxPopupTransientWindow( parent, wxBORDER_SIMPLE )
+   m_choices = choices;
+
+#ifdef __WXGTK26__
+    if (!gtk_check_version(2,6,0))
+    {
+        m_renderer = (GtkCellRenderer*) gtk_cell_renderer_combo_new();
+
+        GtkListStore *store = gtk_list_store_new( 1, G_TYPE_STRING );
+        for (size_t n = 0; n < m_choices.GetCount(); n++)
+        {
+            gtk_list_store_insert_with_values(
+                store, NULL, n, 0,
+                static_cast<const char *>(m_choices[n].utf8_str()), -1 );
+        }
+
+        g_object_set (m_renderer,
+                "model", store,
+                "text-column", 0,
+                "has-entry", FALSE,
+                NULL);
+
+        bool editable = (mode & wxDATAVIEW_CELL_EDITABLE);
+        g_object_set (m_renderer, "editable", editable, NULL);
+
+        SetAlignment(alignment);
+
+        g_signal_connect_after( m_renderer, "edited", G_CALLBACK(wxGtkTextRendererEditedCallback), this );
+
+        GtkInitHandlers();
+    }
+    else
+#endif
+    {
+        // Use custom cell code
+        wxDataViewCustomRenderer::Init(mode, alignment);
+    }
+}
+
+bool wxDataViewChoiceRenderer::Render( wxRect rect, wxDC *dc, int state )
+{
+    RenderText( m_data, 0, rect, dc, state );
+    return true;
+}
+
+wxSize wxDataViewChoiceRenderer::GetSize() const
+{
+    return wxSize(70,20);
+}
+
+bool wxDataViewChoiceRenderer::SetValue( const wxVariant &value )
+{
+
+#ifdef __WXGTK26__
+    if (!gtk_check_version(2,6,0))
+    {
+        GValue gvalue = { 0, };
+        g_value_init( &gvalue, G_TYPE_STRING );
+        g_value_set_string(&gvalue,
+                           wxGTK_CONV_FONT(value.GetString(),
+                                           GetOwner()->GetOwner()->GetFont()));
+        g_object_set_property( G_OBJECT(m_renderer), "text", &gvalue );
+        g_value_unset( &gvalue );
+    }
+    else
+#endif
+        m_data = value.GetString();
+
+    return true;
+}
+
+bool wxDataViewChoiceRenderer::GetValue( wxVariant &value ) const
+{
+#ifdef __WXGTK26__
+    if (!gtk_check_version(2,6,0))
+    {
+        GValue gvalue = { 0, };
+        g_value_init( &gvalue, G_TYPE_STRING );
+        g_object_get_property( G_OBJECT(m_renderer), "text", &gvalue );
+        wxString temp = wxGTK_CONV_BACK_FONT(g_value_get_string(&gvalue),
+                                             GetOwner()->GetOwner()->GetFont());
+        g_value_unset( &gvalue );
+        value = temp;
+
+        //wxPrintf( "temp %s\n", temp );
+        // TODO: remove this code
+    }
+    else
+#endif
+        value = m_data;
+
+    return true;
+}
+
+void wxDataViewChoiceRenderer::SetAlignment( int align )
+{
+    wxDataViewCustomRenderer::SetAlignment(align);
+
+    if (gtk_check_version(2,10,0))
+        return;
+
+    // horizontal alignment:
+    PangoAlignment pangoAlign = PANGO_ALIGN_LEFT;
+    if (align & wxALIGN_RIGHT)
+        pangoAlign = PANGO_ALIGN_RIGHT;
+    else if (align & wxALIGN_CENTER_HORIZONTAL)
+        pangoAlign = PANGO_ALIGN_CENTER;
+
+    GValue gvalue = { 0, };
+    g_value_init( &gvalue, gtk_cell_renderer_mode_get_type() );
+    g_value_set_enum( &gvalue, pangoAlign );
+    g_object_set_property( G_OBJECT(m_renderer), "alignment", &gvalue );
+    g_value_unset( &gvalue );
+}
+
+// ----------------------------------------------------------------------------
+// wxDataViewChoiceByIndexRenderer
+// ----------------------------------------------------------------------------
+
+wxDataViewChoiceByIndexRenderer::wxDataViewChoiceByIndexRenderer( const wxArrayString &choices,
+                              wxDataViewCellMode mode, int alignment ) :
+      wxDataViewChoiceRenderer( choices, mode, alignment )
+{
+}
+
+void wxDataViewChoiceByIndexRenderer::GtkOnTextEdited(const gchar *itempath, const wxString& str)
+{
+    wxVariant value( (long) GetChoices().Index( str ) );
+
+    if (!Validate( value ))
+        return;
+
+    wxDataViewItem
+        item(GetOwner()->GetOwner()->GTKPathToItem(wxGtkTreePath(itempath)));
+
+    GtkOnCellChanged(value, item, GetOwner()->GetModelColumn());
+}
+
+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;
+}
+
+// ---------------------------------------------------------
+// wxDataViewDateRenderer
+// ---------------------------------------------------------
+
+class wxDataViewDateRendererPopupTransient: public wxPopupTransientWindow
+{
+public:
+    wxDataViewDateRendererPopupTransient( wxWindow* parent, wxDateTime *value,
+        wxDataViewModel *model, const wxDataViewItem &item, unsigned int col ) :
+        wxPopupTransientWindow( parent, wxBORDER_SIMPLE )

     {
         m_model = model;
         m_item = item;
     {
         m_model = model;
         m_item = item;


@@ -1922,10 +2791,7 @@ END_EVENT_TABLE()
 
 void wxDataViewDateRendererPopupTransient::OnCalendar( wxCalendarEvent &event )
 {
 
 void wxDataViewDateRendererPopupTransient::OnCalendar( wxCalendarEvent &event )
 {

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

     DismissAndNotify();
 }
 
     DismissAndNotify();
 }
 


@@ -1946,7 +2812,7 @@ bool wxDataViewDateRenderer::SetValue( const wxVariant &value )
     return true;
 }
 
     return true;
 }
 

-bool wxDataViewDateRenderer::GetValue( wxVariant &value ) const
+bool wxDataViewDateRenderer::GetValue( wxVariant &WXUNUSED(value) ) const

 {
     return false;
 }
 {
     return false;
 }


@@ -1967,7 +2833,7 @@ wxSize wxDataViewDateRenderer::GetSize() const
     return wxSize(x,y+d);
 }
 
     return wxSize(x,y+d);
 }
 

-bool wxDataViewDateRenderer::Activate( wxRect cell, wxDataViewModel *model,
+bool wxDataViewDateRenderer::Activate( const wxRect& WXUNUSED(cell), wxDataViewModel *model,

                                        const wxDataViewItem &item, unsigned int col )
 {
     wxVariant variant;
                                        const wxDataViewItem &item, unsigned int col )
 {
     wxVariant variant;


@@ -1991,65 +2857,63 @@ bool wxDataViewDateRenderer::Activate( wxRect cell, wxDataViewModel *model,
 
 IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewCustomRenderer)
 
 
 IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewCustomRenderer)
 

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

 {
 {

-    SetMode(mode);
-    SetAlignment(align);
+    m_rendererIcon = gtk_cell_renderer_pixbuf_new();

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

-bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )
+void wxDataViewIconTextRenderer::GtkPackIntoColumn(GtkTreeViewColumn *column)

 {
 {

-    m_value << value;
-    return true;
-}
+    // add the icon renderer first
+    gtk_tree_view_column_pack_start(column, m_rendererIcon, FALSE /* !expand */);

 
 

-bool wxDataViewIconTextRenderer::GetValue( wxVariant &value ) const
-{
-    return false;
+    // add the text renderer too
+    wxDataViewRenderer::GtkPackIntoColumn(column);

 }
 
 }
 

-bool wxDataViewIconTextRenderer::Render( wxRect cell, wxDC *dc, int state )
+bool wxDataViewIconTextRenderer::SetValue( const wxVariant &value )

 {
 {

-    const wxIcon &icon = m_value.GetIcon();
-    int offset = 0;
-    if (icon.IsOk())
-    {
-        int yoffset = wxMax( 0, (cell.height - icon.GetHeight()) / 2 );
-        dc->DrawIcon( icon, cell.x, cell.y + yoffset );
-        offset = icon.GetWidth() + 4;
-    }
+    m_value << value;

 
 

-    RenderText( m_value.GetText(), offset, cell, dc, state );
+    SetTextValue(m_value.GetText());
+    SetPixbufProp(m_rendererIcon, m_value.GetIcon().GetPixbuf());

 
     return true;
 }
 
 
     return true;
 }
 

-wxSize wxDataViewIconTextRenderer::GetSize() const
+bool wxDataViewIconTextRenderer::GetValue(wxVariant& value) const

 {
 {

-    wxSize size;
-    if (m_value.GetIcon().IsOk())
-        size.x = 4 + m_value.GetIcon().GetWidth();
-    wxCoord x,y,d;
-    GetView()->GetTextExtent( m_value.GetText(), &x, &y, &d );
-    size.x += x;
-    size.y = y+d;
-    return size;
-}
+    wxString str;
+    if ( !GetTextValue(str) )
+        return false;

 
 

-wxControl* wxDataViewIconTextRenderer::CreateEditorCtrl( wxWindow *parent, wxRect labelRect, const wxVariant &value )
-{
-    return NULL;
+    // user doesn't have any way to edit the icon so leave it unchanged
+    value << wxDataViewIconText(str, m_value.GetIcon());
+
+    return true;

 }
 
 }
 

-bool wxDataViewIconTextRenderer::GetValueFromEditorCtrl( wxControl* editor, wxVariant &value )
+void
+wxDataViewIconTextRenderer::GtkOnCellChanged(const wxVariant& value,
+                                             const wxDataViewItem& item,
+                                             unsigned col)

 {
 {

-    return false;
+    // we receive just the text part of our value as it's the only one which
+    // can be edited, but we need the full wxDataViewIconText value for the
+    // model
+    wxVariant valueIconText;
+    valueIconText << wxDataViewIconText(value.GetString(), m_value.GetIcon());
+    wxDataViewTextRenderer::GtkOnCellChanged(valueIconText, item, col);

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


@@ -2058,7 +2922,7 @@ bool wxDataViewIconTextRenderer::GetValueFromEditorCtrl( wxControl* editor, wxVa
 
 
 static gboolean
 
 
 static gboolean

-gtk_dataview_header_button_press_callback( GtkWidget *widget,
+gtk_dataview_header_button_press_callback( GtkWidget *WXUNUSED(widget),

                                            GdkEventButton *gdk_event,
                                            wxDataViewColumn *column )
 {
                                            GdkEventButton *gdk_event,
                                            wxDataViewColumn *column )
 {


@@ -2068,7 +2932,7 @@ gtk_dataview_header_button_press_callback( GtkWidget *widget,
     if (gdk_event->button == 1)
     {
         gs_lastLeftClickHeader = column;
     if (gdk_event->button == 1)
     {
         gs_lastLeftClickHeader = column;

-    
+

         wxDataViewCtrl *dv = column->GetOwner();
         wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, dv->GetId() );
         event.SetDataViewColumn( column );
         wxDataViewCtrl *dv = column->GetOwner();
         wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, dv->GetId() );
         event.SetDataViewColumn( column );


@@ -2090,16 +2954,10 @@ gtk_dataview_header_button_press_callback( GtkWidget *widget,
     return FALSE;
 }
 
     return FALSE;
 }
 

-extern "C" {
-static void wxGtkTreeCellDataFunc( GtkTreeViewColumn *column,
-                            GtkCellRenderer *cell,
-                            GtkTreeModel *model,
-                            GtkTreeIter *iter,
-                            gpointer data );
-}
-
+extern "C"
+{

 
 

-static void wxGtkTreeCellDataFunc( GtkTreeViewColumn *column,
+static void wxGtkTreeCellDataFunc( GtkTreeViewColumn *WXUNUSED(column),

                             GtkCellRenderer *renderer,
                             GtkTreeModel *model,
                             GtkTreeIter *iter,
                             GtkCellRenderer *renderer,
                             GtkTreeModel *model,
                             GtkTreeIter *iter,


@@ -2114,170 +2972,95 @@ static void wxGtkTreeCellDataFunc( GtkTreeViewColumn *column,
 
     wxDataViewModel *wx_model = tree_model->internal->GetDataViewModel();
 
 
     wxDataViewModel *wx_model = tree_model->internal->GetDataViewModel();
 

-    if (!wx_model->IsIndexListModel())
+    if (!wx_model->IsVirtualListModel())

     {
     {

-
-    if (wx_model->IsContainer( item ))
-    {
-        if (wx_model->HasContainerColumns( item ) || (cell->GetOwner()->GetModelColumn() == 0))
+        gboolean visible;
+        if (wx_model->IsContainer( item ))

         {
         {

-            GValue gvalue = { 0, };
-            g_value_init( &gvalue, G_TYPE_BOOLEAN );
-            g_value_set_boolean( &gvalue, TRUE );
-            g_object_set_property( G_OBJECT(renderer), "visible", &gvalue );
-            g_value_unset( &gvalue );
+            visible = wx_model->HasContainerColumns( item ) ||
+                        (cell->GetOwner()->GetModelColumn() == 0);

         }
         else
         {
         }
         else
         {

-            GValue gvalue = { 0, };
-            g_value_init( &gvalue, G_TYPE_BOOLEAN );
-            g_value_set_boolean( &gvalue, FALSE );
-            g_object_set_property( G_OBJECT(renderer), "visible", &gvalue );
-            g_value_unset( &gvalue );
-
-            return;
+            visible = true;

         }
         }

-    }
-    else
-    {
+

         GValue gvalue = { 0, };
         g_value_init( &gvalue, G_TYPE_BOOLEAN );
         GValue gvalue = { 0, };
         g_value_init( &gvalue, G_TYPE_BOOLEAN );

-        g_value_set_boolean( &gvalue, TRUE );
+        g_value_set_boolean( &gvalue, visible );

         g_object_set_property( G_OBJECT(renderer), "visible", &gvalue );
         g_value_unset( &gvalue );
         g_object_set_property( G_OBJECT(renderer), "visible", &gvalue );
         g_value_unset( &gvalue );

-    }

 
 

+        if ( !visible )
+            return;

     }
 
     wxVariant value;
     wx_model->GetValue( value, item, cell->GetOwner()->GetModelColumn() );
 
     if (value.GetType() != cell->GetVariantType())
     }
 
     wxVariant value;
     wx_model->GetValue( value, item, cell->GetOwner()->GetModelColumn() );
 
     if (value.GetType() != cell->GetVariantType())

+    {

         wxLogError( wxT("Wrong type, required: %s but: %s"),
                     value.GetType().c_str(),
                     cell->GetVariantType().c_str() );
         wxLogError( wxT("Wrong type, required: %s but: %s"),
                     value.GetType().c_str(),
                     cell->GetVariantType().c_str() );

+    }

 
     cell->SetValue( value );
 
 
     cell->SetValue( value );
 

-    if (cell->GtkHasAttributes())
-    {
-        wxDataViewItemAttr attr;
-        bool colour_set = false;
-        bool style_set = false;
-        bool weight_set = false;
-
-        if (wx_model->GetAttr( item, cell->GetOwner()->GetModelColumn(), attr ))
-        {
-            // this must be a GtkCellRendererText
-            wxColour colour = attr.GetColour();
-            if (colour.IsOk())
-            {
-                const GdkColor * const gcol = colour.GetColor();
-
-                GValue gvalue = { 0, };
-                g_value_init( &gvalue, GDK_TYPE_COLOR );
-                g_value_set_boxed( &gvalue, gcol );
-                g_object_set_property( G_OBJECT(renderer), "foreground_gdk", &gvalue );
-                g_value_unset( &gvalue );
-
-                colour_set = true;
-            }
-
-            if (attr.GetItalic())
-            {
-                GValue gvalue = { 0, };
-                g_value_init( &gvalue, PANGO_TYPE_STYLE );
-                g_value_set_enum( &gvalue, PANGO_STYLE_ITALIC );
-                g_object_set_property( G_OBJECT(renderer), "style", &gvalue );
-                g_value_unset( &gvalue );
-
-                style_set = true;
-            }
-
-            if (attr.GetBold())
-            {
-                GValue gvalue = { 0, };
-                g_value_init( &gvalue, PANGO_TYPE_WEIGHT );
-                g_value_set_enum( &gvalue, PANGO_WEIGHT_BOLD );
-                g_object_set_property( G_OBJECT(renderer), "weight", &gvalue );
-                g_value_unset( &gvalue );
-
-                weight_set = true;
-            }
-        }
+    // deal with disabled items
+    bool enabled = wx_model->IsEnabled( item, cell->GetOwner()->GetModelColumn() );

 
 

-        if (!style_set)
-        {
-            GValue gvalue = { 0, };
-            g_value_init( &gvalue, G_TYPE_BOOLEAN );
-            g_value_set_boolean( &gvalue, FALSE );
-            g_object_set_property( G_OBJECT(renderer), "style-set", &gvalue );
-            g_value_unset( &gvalue );
-        }
+    // a) this sets the appearance to disabled grey    
+    GValue gvalue = { 0, };
+    g_value_init( &gvalue, G_TYPE_BOOLEAN );
+    g_value_set_boolean( &gvalue, enabled );
+    g_object_set_property( G_OBJECT(renderer), "sensitive", &gvalue );
+    g_value_unset( &gvalue );

 
 

-        if (!weight_set)
-        {
-            GValue gvalue = { 0, };
-            g_value_init( &gvalue, G_TYPE_BOOLEAN );
-            g_value_set_boolean( &gvalue, FALSE );
-            g_object_set_property( G_OBJECT(renderer), "weight-set", &gvalue );
-            g_value_unset( &gvalue );
-        }
+    // b) this actually disables the control/renderer
+    if (enabled)
+        cell->SetMode( cell->GtkGetMode() );
+    else
+        cell->SetMode( wxDATAVIEW_CELL_INERT );
+        

 
 

-        if (!colour_set)
-        {
-            GValue gvalue = { 0, };
-            g_value_init( &gvalue, G_TYPE_BOOLEAN );
-            g_value_set_boolean( &gvalue, FALSE );
-            g_object_set_property( G_OBJECT(renderer), "foreground-set", &gvalue );
-            g_value_unset( &gvalue );
-        }
-    }
+    // deal with attributes: if the renderer doesn't support them at all, we
+    // don't even need to query the model for them
+    if ( !cell->GtkSupportsAttrs() )
+        return;

 
 

-#if 0
-    if (attr.HasBackgroundColour())
+    // it can support attributes so check if this item has any
+    wxDataViewItemAttr attr;
+    if ( wx_model->GetAttr( item, cell->GetOwner()->GetModelColumn(), attr )
+            || !cell->GtkIsUsingDefaultAttrs() )

     {
     {

-        wxColour colour = attr.GetBackgroundColour();
-        const GdkColor * const gcol = colour.GetColor();
-
-        GValue gvalue = { 0, };
-        g_value_init( &gvalue, GDK_TYPE_COLOR );
-        g_value_set_boxed( &gvalue, gcol );
-        g_object_set_property( G_OBJECT(renderer), "cell-background_gdk", &gvalue );
-        g_value_unset( &gvalue );
+        bool usingDefaultAttrs = !cell->GtkSetAttr(attr);
+        cell->GtkSetUsingDefaultAttrs(usingDefaultAttrs);

     }
     }

-    else
-    {
-        GValue gvalue = { 0, };
-        g_value_init( &gvalue, G_TYPE_BOOLEAN );
-        g_value_set_boolean( &gvalue, FALSE );
-        g_object_set_property( G_OBJECT(renderer), "cell-background-set", &gvalue );
-        g_value_unset( &gvalue );
-    }
-#endif
-
+    // else: no custom attributes specified and we're already using the default
+    //       ones -- nothing to do
+    

 }
 
 }
 

-IMPLEMENT_CLASS(wxDataViewColumn, wxDataViewColumnBase)
+} // extern "C"

 
 #include <wx/listimpl.cpp>
 WX_DEFINE_LIST(wxDataViewColumnList)
 
 wxDataViewColumn::wxDataViewColumn( const wxString &title, wxDataViewRenderer *cell,
                                     unsigned int model_column, int width,
 
 #include <wx/listimpl.cpp>
 WX_DEFINE_LIST(wxDataViewColumnList)
 
 wxDataViewColumn::wxDataViewColumn( const wxString &title, wxDataViewRenderer *cell,
                                     unsigned int model_column, int width,

-                                    wxAlignment align, int flags ) :
-    wxDataViewColumnBase( title, cell, model_column, width, align, flags )
+                                    wxAlignment align, int flags )
+    : wxDataViewColumnBase( cell, model_column )

 {
     Init( align, flags, width );
 
 {
     Init( align, flags, width );
 

-    gtk_tree_view_column_set_clickable( GTK_TREE_VIEW_COLUMN(m_column), TRUE );

     SetTitle( title );
 }
 
 wxDataViewColumn::wxDataViewColumn( const wxBitmap &bitmap, wxDataViewRenderer *cell,
                                     unsigned int model_column, int width,
     SetTitle( title );
 }
 
 wxDataViewColumn::wxDataViewColumn( const wxBitmap &bitmap, wxDataViewRenderer *cell,
                                     unsigned int model_column, int width,

-                                    wxAlignment align, int flags ) :
-    wxDataViewColumnBase( bitmap, cell, model_column, width, align, flags )
+                                    wxAlignment align, int flags )
+    : wxDataViewColumnBase( bitmap, cell, model_column )

 {
     Init( align, flags, width );
 
 {
     Init( align, flags, width );
 


@@ -2288,30 +3071,31 @@ void wxDataViewColumn::Init(wxAlignment align, int flags, int width)
 {
     m_isConnected = false;
 
 {
     m_isConnected = false;
 

-    GtkCellRenderer *renderer = (GtkCellRenderer *) GetRenderer()->GetGtkHandle();

     GtkTreeViewColumn *column = gtk_tree_view_column_new();
     m_column = (GtkWidget*) column;
 
     SetFlags( flags );
     SetAlignment( align );
 
     GtkTreeViewColumn *column = gtk_tree_view_column_new();
     m_column = (GtkWidget*) column;
 
     SetFlags( flags );
     SetAlignment( align );
 

-    // NOTE: we prefer not to call SetMinWidth(wxDVC_DEFAULT_MINWIDTH);
-    //       as GTK+ is smart and unless explicitely told, will set the minimal
-    //       width to the title's lenght, which is a better default
+    SetWidth( width );

 
 

-    // the GTK_TREE_VIEW_COLUMN_FIXED is required by the "fixed height" mode
-    // that we use for the wxDataViewCtrl
-    gtk_tree_view_column_set_fixed_width( column, width < 0 ? wxDVC_DEFAULT_WIDTH : width );
-    gtk_tree_view_column_set_sizing( column, GTK_TREE_VIEW_COLUMN_FIXED );
+    // Create container for icon and label
+    GtkWidget *box = gtk_hbox_new( FALSE, 1 );
+    gtk_widget_show( box );
+    // gtk_container_set_border_width((GtkContainer*)box, 2);
+    m_image = gtk_image_new();
+    gtk_box_pack_start(GTK_BOX(box), m_image, FALSE, FALSE, 1);
+    m_label = gtk_label_new("");
+    gtk_box_pack_end( GTK_BOX(box), GTK_WIDGET(m_label), FALSE, FALSE, 1 );
+    gtk_tree_view_column_set_widget( column, box );

 
 

-    gtk_tree_view_column_pack_end( column, renderer, TRUE );
+    wxDataViewRenderer * const colRenderer = GetRenderer();
+    GtkCellRenderer * const cellRenderer = colRenderer->GetGtkHandle();

 
 

-    gtk_tree_view_column_set_cell_data_func( column, renderer,
-        wxGtkTreeCellDataFunc, (gpointer) GetRenderer(), NULL );
-}
+    colRenderer->GtkPackIntoColumn(column);

 
 

-wxDataViewColumn::~wxDataViewColumn()
-{
+    gtk_tree_view_column_set_cell_data_func( column, cellRenderer,
+        wxGtkTreeCellDataFunc, (gpointer) colRenderer, NULL );

 }
 
 void wxDataViewColumn::OnInternalIdle()
 }
 
 void wxDataViewColumn::OnInternalIdle()


@@ -2319,7 +3103,7 @@ void wxDataViewColumn::OnInternalIdle()
     if (m_isConnected)
         return;
 
     if (m_isConnected)
         return;
 

-    if (GTK_WIDGET_REALIZED(GetOwner()->m_treeview))
+    if (gtk_widget_get_realized(GetOwner()->m_treeview))

     {
         GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
         if (column->button)
     {
         GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
         if (column->button)


@@ -2327,6 +3111,9 @@ void wxDataViewColumn::OnInternalIdle()
             g_signal_connect(column->button, "button_press_event",
                       G_CALLBACK (gtk_dataview_header_button_press_callback), this);
 
             g_signal_connect(column->button, "button_press_event",
                       G_CALLBACK (gtk_dataview_header_button_press_callback), this);
 

+            // otherwise the event will be blocked by GTK+
+            gtk_tree_view_column_set_clickable( column, TRUE );
+

             m_isConnected = true;
         }
     }
             m_isConnected = true;
         }
     }


@@ -2343,41 +3130,32 @@ void wxDataViewColumn::SetOwner( wxDataViewCtrl *owner )
 
 void wxDataViewColumn::SetTitle( const wxString &title )
 {
 
 void wxDataViewColumn::SetTitle( const wxString &title )
 {

-    GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
-
-    if (m_isConnected)
-    {
-        // disconnect before column->button gets recreated
-        g_signal_handlers_disconnect_by_func( column->button,
-                      (GtkWidget*) gtk_dataview_header_button_press_callback, this);
-
-        m_isConnected = false;
-    }
-
-    // FIXME: can it really happen that we don't have the owner here??

     wxDataViewCtrl *ctrl = GetOwner();
     wxDataViewCtrl *ctrl = GetOwner();

-    gtk_tree_view_column_set_title( column, ctrl ? wxGTK_CONV_FONT(title, ctrl->GetFont())
+    gtk_label_set_text( GTK_LABEL(m_label), ctrl ? wxGTK_CONV_FONT(title, ctrl->GetFont())

                                                  : wxGTK_CONV_SYS(title) );
                                                  : wxGTK_CONV_SYS(title) );

-
-    gtk_tree_view_column_set_widget( column, NULL );
+    if (title.empty())
+        gtk_widget_hide( m_label );
+    else
+        gtk_widget_show( m_label );

 }
 
 wxString wxDataViewColumn::GetTitle() const
 {
 }
 
 wxString wxDataViewColumn::GetTitle() const
 {

-    const gchar *str = gtk_tree_view_column_get_title( GTK_TREE_VIEW_COLUMN(m_column) );
-    return wxConvFileName->cMB2WX(str);
+    return wxGTK_CONV_BACK_FONT(
+            gtk_label_get_text( GTK_LABEL(m_label) ),
+            GetOwner()->GetFont()
+           );

 }
 
 void wxDataViewColumn::SetBitmap( const wxBitmap &bitmap )
 {
     wxDataViewColumnBase::SetBitmap( bitmap );
 
 }
 
 void wxDataViewColumn::SetBitmap( const wxBitmap &bitmap )
 {
     wxDataViewColumnBase::SetBitmap( bitmap );
 

-    GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
-    if (bitmap.Ok())
+    if (bitmap.IsOk())

     {
     {

-        GtkImage *gtk_image = GTK_IMAGE( gtk_image_new() );
+        GtkImage *gtk_image = GTK_IMAGE(m_image);

 
 

-        GdkBitmap *mask = (GdkBitmap *) NULL;
+        GdkBitmap *mask = NULL;

         if (bitmap.GetMask())
             mask = bitmap.GetMask()->GetBitmap();
 
         if (bitmap.GetMask())
             mask = bitmap.GetMask()->GetBitmap();
 


@@ -2391,13 +3169,11 @@ void wxDataViewColumn::SetBitmap( const wxBitmap &bitmap )
             gtk_image_set_from_pixmap(GTK_IMAGE(gtk_image),
                                       bitmap.GetPixmap(), mask);
         }
             gtk_image_set_from_pixmap(GTK_IMAGE(gtk_image),
                                       bitmap.GetPixmap(), mask);
         }

-        gtk_widget_show( GTK_WIDGET(gtk_image) );
-
-        gtk_tree_view_column_set_widget( column, GTK_WIDGET(gtk_image) );
+        gtk_widget_show( m_image );

     }
     else
     {
     }
     else
     {

-        gtk_tree_view_column_set_widget( column, NULL );
+        gtk_widget_hide( m_image );

     }
 }
 
     }
 }
 


@@ -2406,9 +3182,9 @@ void wxDataViewColumn::SetHidden( bool hidden )
     gtk_tree_view_column_set_visible( GTK_TREE_VIEW_COLUMN(m_column), !hidden );
 }
 
     gtk_tree_view_column_set_visible( GTK_TREE_VIEW_COLUMN(m_column), !hidden );
 }
 

-void wxDataViewColumn::SetResizeable( bool resizeable )
+void wxDataViewColumn::SetResizeable( bool resizable )

 {
 {

-    gtk_tree_view_column_set_resizable( GTK_TREE_VIEW_COLUMN(m_column), resizeable );
+    gtk_tree_view_column_set_resizable( GTK_TREE_VIEW_COLUMN(m_column), resizable );

 }
 
 void wxDataViewColumn::SetAlignment( wxAlignment align )
 }
 
 void wxDataViewColumn::SetAlignment( wxAlignment align )


@@ -2423,6 +3199,9 @@ void wxDataViewColumn::SetAlignment( wxAlignment align )
         xalign = 0.5;
 
     gtk_tree_view_column_set_alignment( column, xalign );
         xalign = 0.5;
 
     gtk_tree_view_column_set_alignment( column, xalign );

+
+    if (m_renderer && m_renderer->GetAlignment() == -1)
+        m_renderer->GtkUpdateAlignment();

 }
 
 wxAlignment wxDataViewColumn::GetAlignment() const
 }
 
 wxAlignment wxDataViewColumn::GetAlignment() const


@@ -2441,7 +3220,7 @@ void wxDataViewColumn::SetSortable( bool sortable )
 {
     GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
 
 {
     GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
 

-    if (sortable)
+    if ( sortable )

     {
         gtk_tree_view_column_set_sort_column_id( column, GetModelColumn() );
     }
     {
         gtk_tree_view_column_set_sort_column_id( column, GetModelColumn() );
     }


@@ -2449,13 +3228,28 @@ void wxDataViewColumn::SetSortable( bool sortable )
     {
         gtk_tree_view_column_set_sort_column_id( column, -1 );
         gtk_tree_view_column_set_sort_indicator( column, FALSE );
     {
         gtk_tree_view_column_set_sort_column_id( column, -1 );
         gtk_tree_view_column_set_sort_indicator( column, FALSE );

+        gtk_tree_view_column_set_clickable( column, FALSE );

     }
 }
 
 bool wxDataViewColumn::IsSortable() const
 {
     GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
     }
 }
 
 bool wxDataViewColumn::IsSortable() const
 {
     GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);

-    return (gtk_tree_view_column_get_sort_column_id( column ) != -1);
+    return gtk_tree_view_column_get_clickable( column );
+}
+
+void wxDataViewColumn::SetAsSortKey( bool WXUNUSED(sort) )
+{
+    // it might not make sense to have this function in wxHeaderColumn at
+    // all in fact, changing of the sort order should only be done using the
+    // associated control API
+    wxFAIL_MSG( "not implemented" );
+}
+
+bool wxDataViewColumn::IsSortKey() const
+{
+    GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
+    return gtk_tree_view_column_get_sort_indicator( column );

 }
 
 bool wxDataViewColumn::IsResizeable() const
 }
 
 bool wxDataViewColumn::IsResizeable() const


@@ -2506,14 +3300,68 @@ int wxDataViewColumn::GetWidth() const
 
 void wxDataViewColumn::SetWidth( int width )
 {
 
 void wxDataViewColumn::SetWidth( int width )
 {

-    gtk_tree_view_column_set_fixed_width( GTK_TREE_VIEW_COLUMN(m_column), width );
+    if ( width == wxCOL_WIDTH_AUTOSIZE )
+    {
+        // NB: this disables user resizing
+        gtk_tree_view_column_set_sizing( GTK_TREE_VIEW_COLUMN(m_column), GTK_TREE_VIEW_COLUMN_AUTOSIZE );
+    }
+    else
+    {
+        if ( width == wxCOL_WIDTH_DEFAULT )
+        {
+            // TODO find a better calculation
+            width = wxDVC_DEFAULT_WIDTH;
+        }
+
+        gtk_tree_view_column_set_sizing( GTK_TREE_VIEW_COLUMN(m_column), GTK_TREE_VIEW_COLUMN_FIXED );
+        gtk_tree_view_column_set_fixed_width( GTK_TREE_VIEW_COLUMN(m_column), width );
+    }
+}
+
+void wxDataViewColumn::SetReorderable( bool reorderable )
+{
+    gtk_tree_view_column_set_reorderable( GTK_TREE_VIEW_COLUMN(m_column), reorderable );

 }
 
 }
 

+bool wxDataViewColumn::IsReorderable() const
+{
+    return gtk_tree_view_column_get_reorderable( GTK_TREE_VIEW_COLUMN(m_column) );
+}

 
 //-----------------------------------------------------------------------------
 // wxGtkTreeModelNode
 //-----------------------------------------------------------------------------
 
 
 //-----------------------------------------------------------------------------
 // wxGtkTreeModelNode
 //-----------------------------------------------------------------------------
 

+#if 0
+class wxGtkTreeModelChildWithPos
+{
+public:
+    unsigned int pos;
+    void        *id;
+};
+
+static
+int wxGtkTreeModelChildWithPosCmp( const void* data1, const void* data2, const void* user_data )
+{
+    const wxGtkTreeModelChildWithPos* child1 = (const wxGtkTreeModelChildWithPos*) data1;
+    const wxGtkTreeModelChildWithPos* child2 = (const wxGtkTreeModelChildWithPos*) data2;
+    const wxDataViewCtrlInternal *internal = (const wxDataViewCtrlInternal *) user_data;
+    int ret = internal->GetDataViewModel()->Compare( child1->id, child2->id,
+        internal->GetSortColumn(), (internal->GetSortOrder() == GTK_SORT_DESCENDING) );
+
+    return ret;
+}
+#else
+static
+int LINKAGEMODE wxGtkTreeModelChildPtrCmp( void*** data1, void*** data2 )
+{
+    return gs_internal->GetDataViewModel()->Compare( wxDataViewItem(**data1), wxDataViewItem(**data2),
+        gs_internal->GetSortColumn(), (gs_internal->GetSortOrder() == GTK_SORT_ASCENDING) );
+}
+
+WX_DEFINE_ARRAY_PTR( void**, wxGtkTreeModelChildrenPtr );
+#endif
+

 void wxGtkTreeModelNode::Resort()
 {
     size_t child_count = GetChildCount();
 void wxGtkTreeModelNode::Resort()
 {
     size_t child_count = GetChildCount();


@@ -2532,13 +3380,67 @@ void wxGtkTreeModelNode::Resort()
         return;
     }
 
         return;
     }
 

+    gint *new_order = new gint[child_count];
+
+#if 1
+    // m_children has the original *void
+    // ptrs points to these
+    wxGtkTreeModelChildrenPtr ptrs;
+    size_t i;
+    for (i = 0; i < child_count; i++)
+       ptrs.Add( &(m_children[i]) );
+    // Sort the ptrs
+    gs_internal = m_internal;
+    ptrs.Sort( &wxGtkTreeModelChildPtrCmp );
+

     wxGtkTreeModelChildren temp;
     wxGtkTreeModelChildren temp;

+    void** base_ptr = &(m_children[0]);
+    // Transfer positions to new_order array and
+    // IDs to temp
+    for (i = 0; i < child_count; i++)
+    {
+        new_order[i] = ptrs[i] - base_ptr;
+        temp.Add( *ptrs[i] );
+    }
+
+    // Transfer IDs back to m_children
+    m_children.Clear();

     WX_APPEND_ARRAY( temp, m_children );
     WX_APPEND_ARRAY( temp, m_children );

+#endif
+#if 0
+    // Too slow

 
 

-    g_internal = m_internal;
-    m_children.Sort( &wxGtkTreeModelChildCmp );
+    // Build up array with IDs and original positions
+    wxGtkTreeModelChildWithPos* temp = new wxGtkTreeModelChildWithPos[child_count];
+    size_t i;
+    for (i = 0; i < child_count; i++)
+    {
+       temp[i].pos = i;
+       temp[i].id = m_children[i];
+    }
+    // Sort array keeping original positions
+    wxQsort( temp, child_count, sizeof(wxGtkTreeModelChildWithPos),
+             &wxGtkTreeModelChildWithPosCmp, m_internal );
+    // Transfer positions to new_order array and
+    // IDs to m_children
+    m_children.Clear();
+    for (i = 0; i < child_count; i++)
+    {
+       new_order[i] = temp[i].pos;
+       m_children.Add( temp[i].id );
+    }
+    // Delete array
+    delete [] temp;
+#endif

 
 

-    gint *new_order = new gint[child_count];
+#if 0
+    // Too slow
+
+    wxGtkTreeModelChildren temp;
+    WX_APPEND_ARRAY( temp, m_children );
+
+    gs_internal = m_internal;
+    m_children.Sort( &wxGtkTreeModelChildCmp );

 
     unsigned int pos;
     for (pos = 0; pos < child_count; pos++)
 
     unsigned int pos;
     for (pos = 0; pos < child_count; pos++)


@@ -2547,6 +3449,7 @@ void wxGtkTreeModelNode::Resort()
         int old_pos = temp.Index( id );
         new_order[pos] = old_pos;
     }
         int old_pos = temp.Index( id );
         new_order[pos] = old_pos;
     }

+#endif

 
     GtkTreeModel *gtk_tree_model = GTK_TREE_MODEL( m_internal->GetGtkModel() );
 
 
     GtkTreeModel *gtk_tree_model = GTK_TREE_MODEL( m_internal->GetGtkModel() );
 


@@ -2554,14 +3457,12 @@ void wxGtkTreeModelNode::Resort()
     iter.user_data = GetItem().GetID();
     iter.stamp = m_internal->GetGtkModel()->stamp;
 
     iter.user_data = GetItem().GetID();
     iter.stamp = m_internal->GetGtkModel()->stamp;
 

-    GtkTreePath *path = m_internal->get_path( &iter );
-
-    gtk_tree_model_rows_reordered( gtk_tree_model, path, &iter, new_order );
-
-    gtk_tree_path_free (path);
+    gtk_tree_model_rows_reordered( gtk_tree_model,
+            wxGtkTreePath(m_internal->get_path(&iter)), &iter, new_order );

 
     delete [] new_order;
 
 
     delete [] new_order;
 

+    unsigned int pos;

     for (pos = 0; pos < node_count; pos++)
     {
         wxGtkTreeModelNode *node = m_nodes.Item( pos );
     for (pos = 0; pos < node_count; pos++)
     {
         wxGtkTreeModelNode *node = m_nodes.Item( pos );


@@ -2573,99 +3474,302 @@ void wxGtkTreeModelNode::Resort()
 // wxDataViewCtrlInternal
 //-----------------------------------------------------------------------------
 
 // wxDataViewCtrlInternal
 //-----------------------------------------------------------------------------
 

-wxDataViewCtrlInternal::wxDataViewCtrlInternal( wxDataViewCtrl *owner,
-    wxDataViewModel *wx_model, GtkWxTreeModel *gtk_model )
+wxDataViewCtrlInternal::wxDataViewCtrlInternal( wxDataViewCtrl *owner, wxDataViewModel *wx_model )

 {
     m_owner = owner;
     m_wx_model = wx_model;
 {
     m_owner = owner;
     m_wx_model = wx_model;

-    m_gtk_model = gtk_model;
+
+    m_gtk_model = NULL;

     m_root = NULL;
     m_sort_order = GTK_SORT_ASCENDING;
     m_sort_column = -1;
     m_dataview_sort_column = NULL;
 
     m_root = NULL;
     m_sort_order = GTK_SORT_ASCENDING;
     m_sort_column = -1;
     m_dataview_sort_column = NULL;
 

-    if (!m_wx_model->IsIndexListModel())
-        InitTree();
+    m_dragDataObject = NULL;
+    m_dropDataObject = NULL;
+
+    m_dirty = false;
+
+    m_gtk_model = wxgtk_tree_model_new();
+    m_gtk_model->internal = this;
+
+    m_notifier = new wxGtkDataViewModelNotifier( wx_model, this );
+
+    wx_model->AddNotifier( m_notifier );
+
+    // g_object_unref( gtk_model ); ???
+
+    if (!m_wx_model->IsVirtualListModel())
+        InitTree();
+
+    gtk_tree_view_set_model( GTK_TREE_VIEW(m_owner->GtkGetTreeView()), GTK_TREE_MODEL(m_gtk_model) );
+}
+
+wxDataViewCtrlInternal::~wxDataViewCtrlInternal()
+{
+    m_wx_model->RemoveNotifier( m_notifier );
+
+    // remove the model from the GtkTreeView before it gets destroyed
+    gtk_tree_view_set_model( GTK_TREE_VIEW( m_owner->GtkGetTreeView() ), NULL );
+
+    g_object_unref( m_gtk_model );
+
+    delete m_dragDataObject;
+    delete m_dropDataObject;
+}
+
+void wxDataViewCtrlInternal::ScheduleRefresh()
+{
+    m_dirty = true;
+}
+
+void wxDataViewCtrlInternal::OnInternalIdle()
+{
+    if (m_dirty)
+    {
+        GtkWidget *widget = m_owner->GtkGetTreeView();
+        gtk_widget_queue_draw( widget );
+        m_dirty = false;
+    }
+}
+
+void wxDataViewCtrlInternal::InitTree()
+{
+    wxDataViewItem item;
+    m_root = new wxGtkTreeModelNode( NULL, item, this );
+
+    BuildBranch( m_root );
+}
+
+void wxDataViewCtrlInternal::BuildBranch( wxGtkTreeModelNode *node )
+{
+    if (node->GetChildCount() == 0)
+    {
+        wxDataViewItemArray children;
+        unsigned int count = m_wx_model->GetChildren( node->GetItem(), children );
+
+        unsigned int pos;
+        for (pos = 0; pos < count; pos++)
+        {
+            wxDataViewItem child = children[pos];
+
+            if (m_wx_model->IsContainer( child ))
+                node->AddNode( new wxGtkTreeModelNode( node, child, this ) );
+            else
+                node->AddLeave( child.GetID() );
+
+            // Don't send any events here
+        }
+    }
+}
+
+// GTK+ dnd iface
+
+bool wxDataViewCtrlInternal::EnableDragSource( const wxDataFormat &format )
+{
+    wxGtkString atom_str( gdk_atom_name( format  ) );
+    m_dragSourceTargetEntryTarget = wxCharBuffer( atom_str );
+
+    m_dragSourceTargetEntry.target =  m_dragSourceTargetEntryTarget.data();
+    m_dragSourceTargetEntry.flags = 0;
+    m_dragSourceTargetEntry.info = static_cast<guint>(-1);
+
+    gtk_tree_view_enable_model_drag_source( GTK_TREE_VIEW(m_owner->GtkGetTreeView() ),
+       GDK_BUTTON1_MASK, &m_dragSourceTargetEntry, 1, (GdkDragAction) GDK_ACTION_COPY );
+
+    return true;
+}
+
+bool wxDataViewCtrlInternal::EnableDropTarget( const wxDataFormat &format )
+{
+    wxGtkString atom_str( gdk_atom_name( format  ) );
+    m_dropTargetTargetEntryTarget = wxCharBuffer( atom_str );
+
+    m_dropTargetTargetEntry.target =  m_dropTargetTargetEntryTarget.data();
+    m_dropTargetTargetEntry.flags = 0;
+    m_dropTargetTargetEntry.info = static_cast<guint>(-1);
+
+    gtk_tree_view_enable_model_drag_dest( GTK_TREE_VIEW(m_owner->GtkGetTreeView() ),
+       &m_dropTargetTargetEntry, 1, (GdkDragAction) GDK_ACTION_COPY );
+
+    return true;
+}
+
+gboolean wxDataViewCtrlInternal::row_draggable( GtkTreeDragSource *WXUNUSED(drag_source),
+    GtkTreePath *path )
+{
+    delete m_dragDataObject;
+    m_dragDataObject = NULL;
+
+    wxDataViewItem item(GetOwner()->GTKPathToItem(path));
+    if ( !item )
+        return FALSE;
+
+    wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_BEGIN_DRAG, m_owner->GetId() );
+    event.SetEventObject( m_owner );
+    event.SetItem( item );
+    event.SetModel( m_wx_model );
+    gint x, y;
+    gtk_widget_get_pointer(m_owner->GtkGetTreeView(), &x, &y);
+    event.SetPosition(x, y);
+    if (!m_owner->HandleWindowEvent( event ))
+        return FALSE;
+
+    if (!event.IsAllowed())
+        return FALSE;
+
+    wxDataObject *obj = event.GetDataObject();
+    if (!obj)
+        return FALSE;
+
+    m_dragDataObject = obj;
+
+    return TRUE;
+}
+
+gboolean
+wxDataViewCtrlInternal::drag_data_delete(GtkTreeDragSource *WXUNUSED(drag_source),
+                                         GtkTreePath *WXUNUSED(path))
+{
+    return FALSE;
+}
+
+gboolean wxDataViewCtrlInternal::drag_data_get( GtkTreeDragSource *WXUNUSED(drag_source),
+    GtkTreePath *path, GtkSelectionData *selection_data )
+{
+    wxDataViewItem item(GetOwner()->GTKPathToItem(path));
+    if ( !item )
+        return FALSE;
+
+    GdkAtom target = gtk_selection_data_get_target(selection_data);
+    if (!m_dragDataObject->IsSupported(target))
+        return FALSE;
+
+    size_t size = m_dragDataObject->GetDataSize(target);
+    if (size == 0)
+        return FALSE;
+
+    void *buf = malloc( size );
+
+    gboolean res = FALSE;
+    if (m_dragDataObject->GetDataHere(target, buf))
+    {
+        res = TRUE;
+
+        gtk_selection_data_set(selection_data, target,
+            8, (const guchar*) buf, size );
+    }
+
+    free( buf );
+
+    return res;

 }
 
 }
 

-wxDataViewCtrlInternal::~wxDataViewCtrlInternal()
+gboolean
+wxDataViewCtrlInternal::drag_data_received(GtkTreeDragDest *WXUNUSED(drag_dest),
+                                           GtkTreePath *path,
+                                           GtkSelectionData *selection_data)

 {
 {

-    g_object_unref( m_gtk_model );
-}
+    wxDataViewItem item(GetOwner()->GTKPathToItem(path));
+    if ( !item )
+        return FALSE;

 
 

-void wxDataViewCtrlInternal::InitTree()
-{
-    wxDataViewItem item;
-    m_root = new wxGtkTreeModelNode( NULL, item, this );
+    wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, m_owner->GetId() );
+    event.SetEventObject( m_owner );
+    event.SetItem( item );
+    event.SetModel( m_wx_model );
+    event.SetDataFormat(gtk_selection_data_get_target(selection_data));
+    event.SetDataSize(gtk_selection_data_get_length(selection_data));
+    event.SetDataBuffer(const_cast<guchar*>(gtk_selection_data_get_data(selection_data)));
+    if (!m_owner->HandleWindowEvent( event ))
+        return FALSE;

 
 

-    BuildBranch( m_root );
+    if (!event.IsAllowed())
+        return FALSE;
+
+    return TRUE;

 }
 
 }
 

-void wxDataViewCtrlInternal::BuildBranch( wxGtkTreeModelNode *node )
+gboolean
+wxDataViewCtrlInternal::row_drop_possible(GtkTreeDragDest *WXUNUSED(drag_dest),
+                                          GtkTreePath *path,
+                                          GtkSelectionData *selection_data)

 {
 {

-    if (node->GetChildCount() == 0)
-    {
-        wxDataViewItemArray children;
-        unsigned int count = m_wx_model->GetChildren( node->GetItem(), children );
-        unsigned int pos;
-        for (pos = 0; pos < count; pos++)
-        {
-            wxDataViewItem child = children[pos];
+    wxDataViewItem item(GetOwner()->GTKPathToItem(path));
+    if ( !item )
+        return FALSE;

 
 

-            if (m_wx_model->IsContainer( child ))
-                node->AddNode( new wxGtkTreeModelNode( node, child, this ) );
-            else
-                node->AddLeave( child.GetID() );
+    wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
+    event.SetEventObject( m_owner );
+    event.SetItem( item );
+    event.SetModel( m_wx_model );
+    event.SetDataFormat(gtk_selection_data_get_target(selection_data));
+    if (!m_owner->HandleWindowEvent( event ))
+        return FALSE;

 
 

-            // Don't send any events here
-        }
-    }
+    if (!event.IsAllowed())
+        return FALSE;
+
+    return TRUE;

 }
 
 }
 

+// notifications from wxDataViewModel
+

 bool wxDataViewCtrlInternal::Cleared()
 {
     if (m_root)
     {
         delete m_root;
 bool wxDataViewCtrlInternal::Cleared()
 {
     if (m_root)
     {
         delete m_root;

-        InitTree();
-    }   
-    
-    // Create new GTK model
-    g_object_unref( m_gtk_model );
-    m_gtk_model = wxgtk_tree_model_new();
-    m_gtk_model->internal = this;
-    
+        m_root = NULL;
+    }
+
+    InitTree();
+
+    ScheduleRefresh();
+

     return true;
 }
 
 void wxDataViewCtrlInternal::Resort()
 {
     return true;
 }
 
 void wxDataViewCtrlInternal::Resort()
 {

-    if (!m_wx_model->IsIndexListModel())
+    if (!m_wx_model->IsVirtualListModel())

         m_root->Resort();
         m_root->Resort();

+
+    ScheduleRefresh();

 }
 
 bool wxDataViewCtrlInternal::ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item )
 {
 }
 
 bool wxDataViewCtrlInternal::ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item )
 {

-    if (!m_wx_model->IsIndexListModel())
+    if (!m_wx_model->IsVirtualListModel())

     {
         wxGtkTreeModelNode *parent_node = FindNode( parent );
     {
         wxGtkTreeModelNode *parent_node = FindNode( parent );

+        wxASSERT_MSG(parent_node,
+            "Did you forget a call to ItemAdded()? The parent node is unknown to the wxGtkTreeModel");
+

         if (m_wx_model->IsContainer( item ))
             parent_node->AddNode( new wxGtkTreeModelNode( parent_node, item, this ) );
         else
             parent_node->AddLeave( item.GetID() );
     }
 
         if (m_wx_model->IsContainer( item ))
             parent_node->AddNode( new wxGtkTreeModelNode( parent_node, item, this ) );
         else
             parent_node->AddLeave( item.GetID() );
     }
 

+    ScheduleRefresh();
+

     return true;
 }
 
 bool wxDataViewCtrlInternal::ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
 {
     return true;
 }
 
 bool wxDataViewCtrlInternal::ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
 {

-    if (!m_wx_model->IsIndexListModel())
+    if (!m_wx_model->IsVirtualListModel())

     {
         wxGtkTreeModelNode *parent_node = FindNode( parent );
     {
         wxGtkTreeModelNode *parent_node = FindNode( parent );

+        wxASSERT_MSG(parent_node,
+            "Did you forget a call to ItemAdded()? The parent node is unknown to the wxGtkTreeModel");
+

         parent_node->DeleteChild( item.GetID() );
     }
 
         parent_node->DeleteChild( item.GetID() );
     }
 

+    ScheduleRefresh();
+

     return true;
 }
 
     return true;
 }
 


@@ -2680,41 +3784,49 @@ bool wxDataViewCtrlInternal::ItemChanged( const wxDataViewItem &item )
     return true;
 }
 
     return true;
 }
 

-bool wxDataViewCtrlInternal::ValueChanged( const wxDataViewItem &item, unsigned int col )
+bool wxDataViewCtrlInternal::ValueChanged( const wxDataViewItem &item, unsigned int view_column )

 {
     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, m_owner->GetId() );
     event.SetEventObject( m_owner );
     event.SetModel( m_owner->GetModel() );
 {
     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, m_owner->GetId() );
     event.SetEventObject( m_owner );
     event.SetModel( m_owner->GetModel() );

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

     event.SetItem( item );
     m_owner->HandleWindowEvent( event );
 
     return true;
 }
 
     event.SetItem( item );
     m_owner->HandleWindowEvent( event );
 
     return true;
 }
 

+// GTK+ model iface
+

 GtkTreeModelFlags wxDataViewCtrlInternal::get_flags()
 {
 GtkTreeModelFlags wxDataViewCtrlInternal::get_flags()
 {

-    if (m_wx_model->IsIndexListModel())
-        return GTK_TREE_MODEL_LIST_ONLY;
-    else
-        return GTK_TREE_MODEL_ITERS_PERSIST;
+    int flags = 0;
+
+    if ( m_wx_model->IsListModel() )
+        flags |= GTK_TREE_MODEL_LIST_ONLY;
+
+    if ( !m_wx_model->IsVirtualListModel() )
+        flags |= GTK_TREE_MODEL_ITERS_PERSIST;
+
+    return GtkTreeModelFlags(flags);

 }
 
 gboolean wxDataViewCtrlInternal::get_iter( GtkTreeIter *iter, GtkTreePath *path )
 {
 }
 
 gboolean wxDataViewCtrlInternal::get_iter( GtkTreeIter *iter, GtkTreePath *path )
 {

-    if (m_wx_model->IsIndexListModel())
+
+    if (m_wx_model->IsVirtualListModel())

     {
     {

-        wxDataViewIndexListModel *wx_model = (wxDataViewIndexListModel*) m_wx_model;
+        wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;

 
         unsigned int i = (unsigned int)gtk_tree_path_get_indices (path)[0];
 
 
         unsigned int i = (unsigned int)gtk_tree_path_get_indices (path)[0];
 

-        if (i >= wx_model->GetLastIndex() + 1)
+        if (i >= wx_model->GetCount())

             return FALSE;
 
         iter->stamp = m_gtk_model->stamp;
             return FALSE;
 
         iter->stamp = m_gtk_model->stamp;

-        // user_data is just the index
-        iter->user_data = (gpointer) i;
+        // user_data is just the index +1
+        iter->user_data = (gpointer) (i+1);

 
         return TRUE;
     }
 
         return TRUE;
     }


@@ -2761,12 +3873,19 @@ gboolean wxDataViewCtrlInternal::get_iter( GtkTreeIter *iter, GtkTreePath *path
 
 GtkTreePath *wxDataViewCtrlInternal::get_path( GtkTreeIter *iter )
 {
 
 GtkTreePath *wxDataViewCtrlInternal::get_path( GtkTreeIter *iter )
 {

+    // When this is called from ItemDeleted(), the item is already
+    // deleted in the model.
+

     GtkTreePath *retval = gtk_tree_path_new ();
 
     GtkTreePath *retval = gtk_tree_path_new ();
 

-    if (m_wx_model->IsIndexListModel())
+    if (m_wx_model->IsVirtualListModel())

     {
     {

-        // user_data is just the index
-        int i = (wxUIntPtr) iter->user_data;
+        // iter is root, add nothing
+        if (!iter->user_data)
+           return retval;
+
+        // user_data is just the index +1
+        int i = ( (wxUIntPtr) iter->user_data ) -1;

         gtk_tree_path_append_index (retval, i);
     }
     else
         gtk_tree_path_append_index (retval, i);
     }
     else


@@ -2790,32 +3909,45 @@ GtkTreePath *wxDataViewCtrlInternal::get_path( GtkTreeIter *iter )
 
 gboolean wxDataViewCtrlInternal::iter_next( GtkTreeIter *iter )
 {
 
 gboolean wxDataViewCtrlInternal::iter_next( GtkTreeIter *iter )
 {

-    if (m_wx_model->IsIndexListModel())
+    if (m_wx_model->IsVirtualListModel())

     {
     {

-        wxDataViewIndexListModel *wx_model = (wxDataViewIndexListModel*) m_wx_model;
+        wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;

 
 

-        int n = (wxUIntPtr) iter->user_data;
+        // user_data is just the index +1
+        int n = ( (wxUIntPtr) iter->user_data ) -1;

 
         if (n == -1)
 
         if (n == -1)

+        {
+            iter->user_data = NULL;

             return FALSE;
             return FALSE;

+        }

 
 

-        if (n >= (int) wx_model->GetLastIndex())
+        if (n >= (int) wx_model->GetCount()-1)
+        {
+            iter->user_data = NULL;

             return FALSE;
             return FALSE;

+        }

 
 

-        iter->user_data = (gpointer) ++n;
+        // user_data is just the index +1 (+2 because we need the next)
+        iter->user_data = (gpointer) (n+2);

     }
     else
     {
         wxGtkTreeModelNode *parent = FindParentNode( iter );
         if( parent == NULL )
     }
     else
     {
         wxGtkTreeModelNode *parent = FindParentNode( iter );
         if( parent == NULL )

+        {
+            iter->user_data = NULL;

             return FALSE;
             return FALSE;

+        }

 
         int pos = parent->GetChildren().Index( iter->user_data );
 
         if (pos == (int) parent->GetChildCount()-1)
 
         int pos = parent->GetChildren().Index( iter->user_data );
 
         if (pos == (int) parent->GetChildCount()-1)

+        {
+            iter->user_data = NULL;

             return FALSE;
             return FALSE;

+        }

 
 

-        iter->stamp = m_gtk_model->stamp;

         iter->user_data = parent->GetChildren().Item( pos+1 );
     }
 
         iter->user_data = parent->GetChildren().Item( pos+1 );
     }
 


@@ -2824,25 +3956,39 @@ gboolean wxDataViewCtrlInternal::iter_next( GtkTreeIter *iter )
 
 gboolean wxDataViewCtrlInternal::iter_children( GtkTreeIter *iter, GtkTreeIter *parent )
 {
 
 gboolean wxDataViewCtrlInternal::iter_children( GtkTreeIter *iter, GtkTreeIter *parent )
 {

-    if (m_wx_model->IsIndexListModel())
+    if (m_wx_model->IsVirtualListModel())

     {
         // this is a list, nodes have no children
         if (parent)
             return FALSE;
 
         iter->stamp = m_gtk_model->stamp;
     {
         // this is a list, nodes have no children
         if (parent)
             return FALSE;
 
         iter->stamp = m_gtk_model->stamp;

-        iter->user_data = (gpointer) -1;
+        iter->user_data = (gpointer) 1;

 
         return TRUE;
     }
     else
     {
 
         return TRUE;
     }
     else
     {

-        wxDataViewItem item( (void*) parent->user_data );
+        if (iter == NULL)
+        {
+            if (m_root->GetChildCount() == 0) return FALSE;
+            iter->stamp = m_gtk_model->stamp;
+            iter->user_data = (gpointer) m_root->GetChildren().Item( 0 );
+            return TRUE;
+        }
+
+
+        wxDataViewItem item;
+        if (parent)
+            item = wxDataViewItem( (void*) parent->user_data );

 
         if (!m_wx_model->IsContainer( item ))
             return FALSE;
 
         wxGtkTreeModelNode *parent_node = FindNode( parent );
 
         if (!m_wx_model->IsContainer( item ))
             return FALSE;
 
         wxGtkTreeModelNode *parent_node = FindNode( parent );

+        wxASSERT_MSG(parent_node,
+            "Did you forget a call to ItemAdded()? The parent node is unknown to the wxGtkTreeModel");
+

         BuildBranch( parent_node );
 
         if (parent_node->GetChildCount() == 0)
         BuildBranch( parent_node );
 
         if (parent_node->GetChildCount() == 0)


@@ -2857,13 +4003,21 @@ gboolean wxDataViewCtrlInternal::iter_children( GtkTreeIter *iter, GtkTreeIter *
 
 gboolean wxDataViewCtrlInternal::iter_has_child( GtkTreeIter *iter )
 {
 
 gboolean wxDataViewCtrlInternal::iter_has_child( GtkTreeIter *iter )
 {

-    if (m_wx_model->IsIndexListModel())
+    if (m_wx_model->IsVirtualListModel())

     {
     {

+        wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;
+
+        if (iter == NULL)
+            return (wx_model->GetCount() > 0);
+

         // this is a list, nodes have no children
         return FALSE;
     }
     else
     {
         // this is a list, nodes have no children
         return FALSE;
     }
     else
     {

+        if (iter == NULL)
+            return (m_root->GetChildCount() > 0);
+

         wxDataViewItem item( (void*) iter->user_data );
 
         bool is_container = m_wx_model->IsContainer( item );
         wxDataViewItem item( (void*) iter->user_data );
 
         bool is_container = m_wx_model->IsContainer( item );


@@ -2872,6 +4026,9 @@ gboolean wxDataViewCtrlInternal::iter_has_child( GtkTreeIter *iter )
             return FALSE;
 
         wxGtkTreeModelNode *node = FindNode( iter );
             return FALSE;
 
         wxGtkTreeModelNode *node = FindNode( iter );

+        wxASSERT_MSG(node,
+            "Did you forget a call to ItemAdded()? The iterator is unknown to the wxGtkTreeModel");
+

         BuildBranch( node );
 
         return (node->GetChildCount() > 0);
         BuildBranch( node );
 
         return (node->GetChildCount() > 0);


@@ -2880,26 +4037,30 @@ gboolean wxDataViewCtrlInternal::iter_has_child( GtkTreeIter *iter )
 
 gint wxDataViewCtrlInternal::iter_n_children( GtkTreeIter *iter )
 {
 
 gint wxDataViewCtrlInternal::iter_n_children( GtkTreeIter *iter )
 {

-    if (m_wx_model->IsIndexListModel())
+    if (m_wx_model->IsVirtualListModel())

     {
     {

-        wxDataViewIndexListModel *wx_model = (wxDataViewIndexListModel*) m_wx_model;
+        wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;

 
         if (iter == NULL)
 
         if (iter == NULL)

-            return (gint) wx_model->GetLastIndex() + 1;
+            return (gint) wx_model->GetCount();

 
         return 0;
     }
     else
     {
 
         return 0;
     }
     else
     {

+        if (iter == NULL)
+            return m_root->GetChildCount();
+

         wxDataViewItem item( (void*) iter->user_data );
 
         if (!m_wx_model->IsContainer( item ))
             return 0;
 
         wxGtkTreeModelNode *parent_node = FindNode( iter );
         wxDataViewItem item( (void*) iter->user_data );
 
         if (!m_wx_model->IsContainer( item ))
             return 0;
 
         wxGtkTreeModelNode *parent_node = FindNode( iter );

-        BuildBranch( parent_node );
+        wxASSERT_MSG(parent_node,
+            "Did you forget a call to ItemAdded()? The parent node is unknown to the wxGtkTreeModel");

 
 

-        // wxPrintf( "iter_n_children %d\n", parent_node->GetChildCount() );
+        BuildBranch( parent_node );

 
         return parent_node->GetChildCount();
     }
 
         return parent_node->GetChildCount();
     }


@@ -2907,9 +4068,9 @@ gint wxDataViewCtrlInternal::iter_n_children( GtkTreeIter *iter )
 
 gboolean wxDataViewCtrlInternal::iter_nth_child( GtkTreeIter *iter, GtkTreeIter *parent, gint n )
 {
 
 gboolean wxDataViewCtrlInternal::iter_nth_child( GtkTreeIter *iter, GtkTreeIter *parent, gint n )
 {

-    if (m_wx_model->IsIndexListModel())
+    if (m_wx_model->IsVirtualListModel())

     {
     {

-        wxDataViewIndexListModel *wx_model = (wxDataViewIndexListModel*) m_wx_model;
+        wxDataViewVirtualListModel *wx_model = (wxDataViewVirtualListModel*) m_wx_model;

 
         if (parent)
             return FALSE;
 
         if (parent)
             return FALSE;


@@ -2917,11 +4078,12 @@ gboolean wxDataViewCtrlInternal::iter_nth_child( GtkTreeIter *iter, GtkTreeIter
         if (n < 0)
             return FALSE;
 
         if (n < 0)
             return FALSE;
 

-        if (n >= (gint) wx_model->GetLastIndex() + 1)
+        if (n >= (gint) wx_model->GetCount())

             return FALSE;
 
         iter->stamp = m_gtk_model->stamp;
             return FALSE;
 
         iter->stamp = m_gtk_model->stamp;

-        iter->user_data = (gpointer) n;
+        // user_data is just the index +1
+        iter->user_data = (gpointer) (n+1);

 
         return TRUE;
     }
 
         return TRUE;
     }


@@ -2935,9 +4097,10 @@ gboolean wxDataViewCtrlInternal::iter_nth_child( GtkTreeIter *iter, GtkTreeIter
             return FALSE;
 
         wxGtkTreeModelNode *parent_node = FindNode( parent );
             return FALSE;
 
         wxGtkTreeModelNode *parent_node = FindNode( parent );

-        BuildBranch( parent_node );
+        wxASSERT_MSG(parent_node,
+            "Did you forget a call to ItemAdded()? The parent node is unknown to the wxGtkTreeModel");

 
 

-        // wxPrintf( "iter_nth_child %d\n", n );
+        BuildBranch( parent_node );

 
         iter->stamp = m_gtk_model->stamp;
         iter->user_data = parent_node->GetChildren().Item( n );
 
         iter->stamp = m_gtk_model->stamp;
         iter->user_data = parent_node->GetChildren().Item( n );


@@ -2948,7 +4111,7 @@ gboolean wxDataViewCtrlInternal::iter_nth_child( GtkTreeIter *iter, GtkTreeIter
 
 gboolean wxDataViewCtrlInternal::iter_parent( GtkTreeIter *iter, GtkTreeIter *child )
 {
 
 gboolean wxDataViewCtrlInternal::iter_parent( GtkTreeIter *iter, GtkTreeIter *child )
 {

-    if (m_wx_model->IsIndexListModel())
+    if (m_wx_model->IsVirtualListModel())

     {
         return FALSE;
     }
     {
         return FALSE;
     }


@@ -2965,6 +4128,28 @@ gboolean wxDataViewCtrlInternal::iter_parent( GtkTreeIter *iter, GtkTreeIter *ch
     }
 }
 
     }
 }
 

+// item can be deleted already in the model
+int wxDataViewCtrlInternal::GetIndexOf( const wxDataViewItem &parent, const wxDataViewItem &item )
+{
+    if (m_wx_model->IsVirtualListModel())
+    {
+        return wxPtrToUInt(item.GetID()) - 1;
+    }
+    else
+    {
+        wxGtkTreeModelNode *parent_node = FindNode( parent );
+        wxGtkTreeModelChildren &children = parent_node->GetChildren();
+        size_t j;
+        for (j = 0; j < children.GetCount(); j++)
+        {
+            if (children[j] == item.GetID())
+               return j;
+        }
+    }
+    return -1;
+}
+
+

 static wxGtkTreeModelNode*
 wxDataViewCtrlInternal_FindNode( wxDataViewModel * model, wxGtkTreeModelNode *treeNode, const wxDataViewItem &item )
 {
 static wxGtkTreeModelNode*
 wxDataViewCtrlInternal_FindNode( wxDataViewModel * model, wxGtkTreeModelNode *treeNode, const wxDataViewItem &item )
 {


@@ -2988,7 +4173,7 @@ wxDataViewCtrlInternal_FindNode( wxDataViewModel * model, wxGtkTreeModelNode *tr
         if( node && node->GetNodes().GetCount() != 0 )
         {
             int len = node->GetNodes().GetCount();
         if( node && node->GetNodes().GetCount() != 0 )
         {
             int len = node->GetNodes().GetCount();

-            wxGtkTreeModelNodes nodes = node->GetNodes();
+            wxGtkTreeModelNodes &nodes = node->GetNodes();

             int j = 0;
             for( ; j < len; j ++)
             {
             int j = 0;
             for( ; j < len; j ++)
             {


@@ -3022,12 +4207,15 @@ wxGtkTreeModelNode *wxDataViewCtrlInternal::FindNode( GtkTreeIter *iter )
 
     wxGtkTreeModelNode *result = wxDataViewCtrlInternal_FindNode( m_wx_model, m_root, item );
 
 
     wxGtkTreeModelNode *result = wxDataViewCtrlInternal_FindNode( m_wx_model, m_root, item );
 

+/*

     if (!result)
     {
         wxLogDebug( "Not found %p", iter->user_data );
         char *crash = NULL;
         *crash = 0;
     }
     if (!result)
     {
         wxLogDebug( "Not found %p", iter->user_data );
         char *crash = NULL;
         *crash = 0;
     }

+    // TODO: remove this code
+*/

 
     return result;
 }
 
     return result;
 }


@@ -3039,12 +4227,15 @@ wxGtkTreeModelNode *wxDataViewCtrlInternal::FindNode( const wxDataViewItem &item
 
     wxGtkTreeModelNode *result = wxDataViewCtrlInternal_FindNode( m_wx_model, m_root, item );
 
 
     wxGtkTreeModelNode *result = wxDataViewCtrlInternal_FindNode( m_wx_model, m_root, item );
 

+/*

     if (!result)
     {
         wxLogDebug( "Not found %p", item.GetID() );
         char *crash = NULL;
         *crash = 0;
     }
     if (!result)
     {
         wxLogDebug( "Not found %p", item.GetID() );
         char *crash = NULL;
         *crash = 0;
     }

+    // TODO: remove this code
+*/

 
     return result;
 }
 
     return result;
 }


@@ -3128,9 +4319,9 @@ wxGtkTreeModelNode *wxDataViewCtrlInternal::FindParentNode( const wxDataViewItem
 //-----------------------------------------------------------------------------
 
 static void
 //-----------------------------------------------------------------------------
 
 static void

-wxdataview_selection_changed_callback( GtkTreeSelection* selection, wxDataViewCtrl *dv )
+wxdataview_selection_changed_callback( GtkTreeSelection* WXUNUSED(selection), wxDataViewCtrl *dv )

 {
 {

-    if (!GTK_WIDGET_REALIZED(dv->m_widget))
+    if (!gtk_widget_get_realized(dv->m_widget))

         return;
 
     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, dv->GetId() );
         return;
 
     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, dv->GetId() );


@@ -3140,22 +4331,20 @@ wxdataview_selection_changed_callback( GtkTreeSelection* selection, wxDataViewCt
 }
 
 static void
 }
 
 static void

-wxdataview_row_activated_callback( GtkTreeView* treeview, GtkTreePath *path,
-                                   GtkTreeViewColumn *column, wxDataViewCtrl *dv )
+wxdataview_row_activated_callback( GtkTreeView* WXUNUSED(treeview), GtkTreePath *path,
+                                   GtkTreeViewColumn *WXUNUSED(column), wxDataViewCtrl *dv )

 {
     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, dv->GetId() );
 
 {
     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, dv->GetId() );
 

-    GtkTreeIter iter;
-    dv->GtkGetInternal()->get_iter( &iter, path );
-    wxDataViewItem item( (void*) iter.user_data );;
+    wxDataViewItem item(dv->GTKPathToItem(path));

     event.SetItem( item );
     event.SetModel( dv->GetModel() );
     dv->HandleWindowEvent( event );
 }
 
 static gboolean
     event.SetItem( item );
     event.SetModel( dv->GetModel() );
     dv->HandleWindowEvent( event );
 }
 
 static gboolean

-wxdataview_test_expand_row_callback( GtkTreeView* treeview, GtkTreeIter* iter,
-                                     GtkTreePath *path, wxDataViewCtrl *dv )
+wxdataview_test_expand_row_callback( GtkTreeView* WXUNUSED(treeview), GtkTreeIter* iter,
+                                     GtkTreePath *WXUNUSED(path), wxDataViewCtrl *dv )

 {
     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, dv->GetId() );
 
 {
     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDING, dv->GetId() );
 


@@ -3168,8 +4357,8 @@ wxdataview_test_expand_row_callback( GtkTreeView* treeview, GtkTreeIter* iter,
 }
 
 static void
 }
 
 static void

-wxdataview_row_expanded_callback( GtkTreeView* treeview, GtkTreeIter* iter,
-                                  GtkTreePath *path, wxDataViewCtrl *dv )
+wxdataview_row_expanded_callback( GtkTreeView* WXUNUSED(treeview), GtkTreeIter* iter,
+                                  GtkTreePath *WXUNUSED(path), wxDataViewCtrl *dv )

 {
     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED, dv->GetId() );
 
 {
     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_EXPANDED, dv->GetId() );
 


@@ -3180,8 +4369,8 @@ wxdataview_row_expanded_callback( GtkTreeView* treeview, GtkTreeIter* iter,
 }
 
 static gboolean
 }
 
 static gboolean

-wxdataview_test_collapse_row_callback( GtkTreeView* treeview, GtkTreeIter* iter,
-                                       GtkTreePath *path, wxDataViewCtrl *dv )
+wxdataview_test_collapse_row_callback( GtkTreeView* WXUNUSED(treeview), GtkTreeIter* iter,
+                                       GtkTreePath *WXUNUSED(path), wxDataViewCtrl *dv )

 {
     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING, dv->GetId() );
 
 {
     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSING, dv->GetId() );
 


@@ -3194,8 +4383,8 @@ wxdataview_test_collapse_row_callback( GtkTreeView* treeview, GtkTreeIter* iter,
 }
 
 static void
 }
 
 static void

-wxdataview_row_collapsed_callback( GtkTreeView* treeview, GtkTreeIter* iter,
-                                   GtkTreePath *path, wxDataViewCtrl *dv )
+wxdataview_row_collapsed_callback( GtkTreeView* WXUNUSED(treeview), GtkTreeIter* iter,
+                                   GtkTreePath *WXUNUSED(path), wxDataViewCtrl *dv )

 {
     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED, dv->GetId() );
 
 {
     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_COLLAPSED, dv->GetId() );
 


@@ -3209,17 +4398,12 @@ wxdataview_row_collapsed_callback( GtkTreeView* treeview, GtkTreeIter* iter,
     // wxDataViewCtrl
 //-----------------------------------------------------------------------------
 
     // wxDataViewCtrl
 //-----------------------------------------------------------------------------
 

-//-----------------------------------------------------------------------------
-// InsertChild for wxDataViewCtrl
-//-----------------------------------------------------------------------------
-
-static void wxInsertChildInDataViewCtrl( wxWindowGTK* parent, wxWindowGTK* child )
+void wxDataViewCtrl::AddChildGTK(wxWindowGTK* child)

 {
 {

-    wxDataViewCtrl * dvc = (wxDataViewCtrl*) parent;
-    GtkWidget *treeview = dvc->GtkGetTreeView();
+    GtkWidget* treeview = GtkGetTreeView();

 
     // Insert widget in GtkTreeView
 
     // Insert widget in GtkTreeView

-    if (GTK_WIDGET_REALIZED(treeview))
+    if (gtk_widget_get_realized(treeview))

         gtk_widget_set_parent_window( child->m_widget,
           gtk_tree_view_get_bin_window( GTK_TREE_VIEW(treeview) ) );
     gtk_widget_set_parent( child->m_widget, treeview );
         gtk_widget_set_parent_window( child->m_widget,
           gtk_tree_view_get_bin_window( GTK_TREE_VIEW(treeview) ) );
     gtk_widget_set_parent( child->m_widget, treeview );


@@ -3227,7 +4411,7 @@ static void wxInsertChildInDataViewCtrl( wxWindowGTK* parent, wxWindowGTK* child
 
 static
 void gtk_dataviewctrl_size_callback( GtkWidget *WXUNUSED(widget),
 
 static
 void gtk_dataviewctrl_size_callback( GtkWidget *WXUNUSED(widget),

-                                     GtkAllocation *alloc,
+                                     GtkAllocation *WXUNUSED(gtk_alloc),

                                      wxDataViewCtrl *win )
 {
     wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();
                                      wxDataViewCtrl *win )
 {
     wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();


@@ -3255,7 +4439,7 @@ void gtk_dataviewctrl_size_callback( GtkWidget *WXUNUSED(widget),
 //-----------------------------------------------------------------------------
 
 static gboolean
 //-----------------------------------------------------------------------------
 
 static gboolean

-gtk_dataview_motion_notify_callback( GtkWidget *widget,
+gtk_dataview_motion_notify_callback( GtkWidget *WXUNUSED(widget),

                                      GdkEventMotion *gdk_event,
                                      wxDataViewCtrl *dv )
 {
                                      GdkEventMotion *gdk_event,
                                      wxDataViewCtrl *dv )
 {


@@ -3269,14 +4453,14 @@ gtk_dataview_motion_notify_callback( GtkWidget *widget,
         gdk_event->y = y;
     }
 
         gdk_event->y = y;
     }
 

-    GtkTreePath *path = NULL;
+    wxGtkTreePath path;

     GtkTreeViewColumn *column = NULL;
     gint cell_x = 0;
     gint cell_y = 0;
     if (gtk_tree_view_get_path_at_pos(
         GTK_TREE_VIEW(dv->GtkGetTreeView()),
         (int) gdk_event->x, (int) gdk_event->y,
     GtkTreeViewColumn *column = NULL;
     gint cell_x = 0;
     gint cell_y = 0;
     if (gtk_tree_view_get_path_at_pos(
         GTK_TREE_VIEW(dv->GtkGetTreeView()),
         (int) gdk_event->x, (int) gdk_event->y,

-        &path,
+        path.ByRef(),

         &column,
         &cell_x,
         &cell_y))
         &column,
         &cell_x,
         &cell_y))


@@ -3285,10 +4469,6 @@ gtk_dataview_motion_notify_callback( GtkWidget *widget,
         {
             GtkTreeIter iter;
             dv->GtkGetInternal()->get_iter( &iter, path );
         {
             GtkTreeIter iter;
             dv->GtkGetInternal()->get_iter( &iter, path );

-
-            // wxPrintf( "mouse %d %d\n", (int) gdk_event->x, (int) gdk_event->y );
-
-            gtk_tree_path_free( path );

         }
     }
 
         }
     }
 


@@ -3307,30 +4487,24 @@ gtk_dataview_button_press_callback( GtkWidget *WXUNUSED(widget),
 {
     if ((gdk_event->button == 3) && (gdk_event->type == GDK_BUTTON_PRESS))
     {
 {
     if ((gdk_event->button == 3) && (gdk_event->type == GDK_BUTTON_PRESS))
     {

-        GtkTreePath *path = NULL;
+        wxGtkTreePath path;

         GtkTreeViewColumn *column = NULL;
         gint cell_x = 0;
         gint cell_y = 0;
         if (gtk_tree_view_get_path_at_pos(
             GTK_TREE_VIEW(dv->GtkGetTreeView()),
             (int) gdk_event->x, (int) gdk_event->y,
         GtkTreeViewColumn *column = NULL;
         gint cell_x = 0;
         gint cell_y = 0;
         if (gtk_tree_view_get_path_at_pos(
             GTK_TREE_VIEW(dv->GtkGetTreeView()),
             (int) gdk_event->x, (int) gdk_event->y,

-            &path,
+            path.ByRef(),

             &column,
             &cell_x,
             &cell_y))
         {
             if (path)
             {
             &column,
             &cell_x,
             &cell_y))
         {
             if (path)
             {

-                GtkTreeIter iter;
-                dv->GtkGetInternal()->get_iter( &iter, path );
-

                 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, dv->GetId() );
                 wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, dv->GetId() );

-                wxDataViewItem item( (void*) iter.user_data );;
-                event.SetItem( item );
+                event.SetItem(dv->GTKPathToItem(path));

                 event.SetModel( dv->GetModel() );
                 event.SetModel( dv->GetModel() );

-                bool ret = dv->HandleWindowEvent( event );
-                gtk_tree_path_free( path );
-                return ret;
+                return dv->HandleWindowEvent( event );

              }
         }
     }
              }
         }
     }


@@ -3342,40 +4516,55 @@ IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
 
 wxDataViewCtrl::~wxDataViewCtrl()
 {
 
 wxDataViewCtrl::~wxDataViewCtrl()
 {

-    if (m_notifier)
-        GetModel()->RemoveNotifier( m_notifier );
+    // Stop editing before destroying the control to remove any event handlers
+    // which are added when editing started: if we didn't do this, the base
+    // class dtor would assert as it checks for any leftover handlers.
+    if ( m_treeview )
+    {
+        GtkTreeViewColumn *col;
+        gtk_tree_view_get_cursor(GTK_TREE_VIEW(m_treeview), NULL, &col);

 
 

-    // remove the model from the GtkTreeView before it gets destroyed by the
-    // wxDataViewCtrlBase's dtor
-    gtk_tree_view_set_model( GTK_TREE_VIEW(m_treeview), NULL );
+        wxDataViewColumn * const wxcol = FromGTKColumn(col);
+        if ( wxcol )
+        {
+            // This won't do anything if we're not editing it
+            wxcol->GetRenderer()->CancelEditing();
+        }
+    }
+
+    m_cols.Clear();

 
     delete m_internal;
 }
 
 void wxDataViewCtrl::Init()
 {
 
     delete m_internal;
 }
 
 void wxDataViewCtrl::Init()
 {

-    m_notifier = NULL;

     m_internal = NULL;
     m_internal = NULL;

+
+    m_cols.DeleteContents( true );
+
+    m_uniformRowHeight = -1;

 }
 
 }
 

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

 {
 {

-    Init();
-

     if (!PreCreation( parent, pos, size ) ||
     if (!PreCreation( parent, pos, size ) ||

-        !CreateBase( parent, id, pos, size, style, validator ))
+        !CreateBase( parent, id, pos, size, style, validator, name ))

     {
         wxFAIL_MSG( wxT("wxDataViewCtrl creation failed") );
         return false;
     }
 
     {
         wxFAIL_MSG( wxT("wxDataViewCtrl creation failed") );
         return false;
     }
 

-    m_insertCallback = wxInsertChildInDataViewCtrl;
-

     m_widget = gtk_scrolled_window_new (NULL, NULL);
     m_widget = gtk_scrolled_window_new (NULL, NULL);

+    g_object_ref(m_widget);

 
 

-    GtkScrolledWindowSetBorder(m_widget, style);
+    GTKScrolledWindowSetBorder(m_widget, style);

 
     m_treeview = gtk_tree_view_new();
     gtk_container_add (GTK_CONTAINER (m_widget), m_treeview);
 
     m_treeview = gtk_tree_view_new();
     gtk_container_add (GTK_CONTAINER (m_widget), m_treeview);


@@ -3385,7 +4574,10 @@ bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
 
 #ifdef __WXGTK26__
     if (!gtk_check_version(2,6,0))
 
 #ifdef __WXGTK26__
     if (!gtk_check_version(2,6,0))

-        gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), TRUE );
+    {
+        bool fixed = (style & wxDV_VARIABLE_LINE_HEIGHT) == 0;
+        gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), fixed );
+    }

 #endif
 
     if (style & wxDV_MULTIPLE)
 #endif
 
     if (style & wxDV_MULTIPLE)


@@ -3417,7 +4609,7 @@ bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
     gtk_tree_view_set_rules_hint( GTK_TREE_VIEW(m_treeview), (style & wxDV_ROW_LINES) != 0 );
 
     gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (m_widget),
     gtk_tree_view_set_rules_hint( GTK_TREE_VIEW(m_treeview), (style & wxDV_ROW_LINES) != 0 );
 
     gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (m_widget),

-        GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS);
+        GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);

     gtk_widget_show (m_treeview);
 
     m_parent->DoAddChild( this );
     gtk_widget_show (m_treeview);
 
     m_parent->DoAddChild( this );


@@ -3446,14 +4638,24 @@ bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
 
     g_signal_connect (m_treeview, "button_press_event",
                       G_CALLBACK (gtk_dataview_button_press_callback), this);
 
     g_signal_connect (m_treeview, "button_press_event",
                       G_CALLBACK (gtk_dataview_button_press_callback), this);

-                      
+

     return true;
 }
 
     return true;
 }
 

+wxDataViewItem wxDataViewCtrl::GTKPathToItem(GtkTreePath *path) const
+{
+    GtkTreeIter iter;
+    return wxDataViewItem(path && m_internal->get_iter(&iter, path)
+                            ? iter.user_data
+                            : NULL);
+}
+

 void wxDataViewCtrl::OnInternalIdle()
 {
     wxWindow::OnInternalIdle();
 
 void wxDataViewCtrl::OnInternalIdle()
 {
     wxWindow::OnInternalIdle();
 

+    m_internal->OnInternalIdle();
+

     unsigned int cols = GetColumnCount();
     unsigned int i;
     for (i = 0; i < cols; i++)
     unsigned int cols = GetColumnCount();
     unsigned int i;
     for (i = 0; i < cols; i++)


@@ -3461,36 +4663,46 @@ void wxDataViewCtrl::OnInternalIdle()
         wxDataViewColumn *col = GetColumn( i );
         col->OnInternalIdle();
     }
         wxDataViewColumn *col = GetColumn( i );
         col->OnInternalIdle();
     }

+
+    if (m_ensureVisibleDefered.IsOk())
+    {
+        ExpandAncestors(m_ensureVisibleDefered);
+        GtkTreeIter iter;
+        iter.user_data = (gpointer) m_ensureVisibleDefered.GetID();
+        wxGtkTreePath path(m_internal->get_path( &iter ));
+        gtk_tree_view_scroll_to_cell( GTK_TREE_VIEW(m_treeview), path, NULL, false, 0.0, 0.0 );
+        m_ensureVisibleDefered = wxDataViewItem(0);
+    }

 }
 
 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
 {
 }
 
 bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
 {

-    if (GetModel())
-    {
-        delete m_internal;
-        m_internal = NULL;
-        
-        delete m_notifier;
-        m_notifier = NULL;
-    }
-    
+    wxDELETE(m_internal);
+

     if (!wxDataViewCtrlBase::AssociateModel( model ))
         return false;
 
     if (!wxDataViewCtrlBase::AssociateModel( model ))
         return false;
 

-    GtkWxTreeModel *gtk_model = wxgtk_tree_model_new();
-    m_internal = new wxDataViewCtrlInternal( this, model, gtk_model );
-    gtk_model->internal = m_internal;
-
-    m_notifier = new wxGtkDataViewModelNotifier( gtk_model, model, this );
+#ifdef __WXGTK26__
+    if (!gtk_check_version(2,6,0))
+    {
+        bool fixed = (((GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT) == 0) || (model->IsVirtualListModel()));
+        gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), fixed );
+    }
+#endif

 
 

-    model->AddNotifier( m_notifier );
+    m_internal = new wxDataViewCtrlInternal( this, model );

 
 

-    gtk_tree_view_set_model( GTK_TREE_VIEW(m_treeview), GTK_TREE_MODEL(gtk_model) );
+    return true;
+}

 
 

-    // unref in wxDataViewCtrlInternal
-    // g_object_unref( gtk_model );
+bool wxDataViewCtrl::EnableDragSource( const wxDataFormat &format )
+{
+    return m_internal->EnableDragSource( format );
+}

 
 

-    return true;
+bool wxDataViewCtrl::EnableDropTarget( const wxDataFormat &format )
+{
+    return m_internal->EnableDropTarget( format );

 }
 
 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
 }
 
 bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )


@@ -3500,6 +4712,15 @@ bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
 
     m_cols.Append( col );
 
 
     m_cols.Append( col );
 

+#ifdef __WXGTK26__
+    if (!gtk_check_version(2,6,0))
+    {
+        if (gtk_tree_view_column_get_sizing( GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) ) !=
+               GTK_TREE_VIEW_COLUMN_FIXED)
+           gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), FALSE );
+    }
+#endif
+

     gtk_tree_view_append_column( GTK_TREE_VIEW(m_treeview),
                                  GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) );
 
     gtk_tree_view_append_column( GTK_TREE_VIEW(m_treeview),
                                  GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) );
 


@@ -3513,25 +4734,55 @@ bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
 
     m_cols.Insert( col );
 
 
     m_cols.Insert( col );
 

+#ifdef __WXGTK26__
+    if (!gtk_check_version(2,6,0))
+    {
+        if (gtk_tree_view_column_get_sizing( GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) ) !=
+               GTK_TREE_VIEW_COLUMN_FIXED)
+           gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), FALSE );
+    }
+#endif
+

     gtk_tree_view_insert_column( GTK_TREE_VIEW(m_treeview),
                                  GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()), 0 );
 
     return true;
 }
 
     gtk_tree_view_insert_column( GTK_TREE_VIEW(m_treeview),
                                  GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()), 0 );
 
     return true;
 }
 

+bool wxDataViewCtrl::InsertColumn( unsigned int pos, wxDataViewColumn *col )
+{
+    if (!wxDataViewCtrlBase::InsertColumn(pos,col))
+        return false;
+
+    m_cols.Insert( pos, col );
+
+#ifdef __WXGTK26__
+    if (!gtk_check_version(2,6,0))
+    {
+        if (gtk_tree_view_column_get_sizing( GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) ) !=
+               GTK_TREE_VIEW_COLUMN_FIXED)
+           gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), FALSE );
+    }
+#endif
+
+    gtk_tree_view_insert_column( GTK_TREE_VIEW(m_treeview),
+                                 GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()), pos );
+
+    return true;
+}
+

 unsigned int wxDataViewCtrl::GetColumnCount() const
 {
     return m_cols.GetCount();
 }
 
 unsigned int wxDataViewCtrl::GetColumnCount() const
 {
     return m_cols.GetCount();
 }
 

-wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int pos ) const
+wxDataViewColumn* wxDataViewCtrl::FromGTKColumn(GtkTreeViewColumn *gtk_col) const

 {
 {

-    GtkTreeViewColumn *gtk_col = gtk_tree_view_get_column( GTK_TREE_VIEW(m_treeview), pos );
-    if (!gtk_col)
+    if ( !gtk_col )

         return NULL;
 
     wxDataViewColumnList::const_iterator iter;
         return NULL;
 
     wxDataViewColumnList::const_iterator iter;

-    for (iter = m_cols.begin(); iter != m_cols.end(); iter++)
+    for (iter = m_cols.begin(); iter != m_cols.end(); ++iter)

     {
         wxDataViewColumn *col = *iter;
         if (GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) == gtk_col)
     {
         wxDataViewColumn *col = *iter;
         if (GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) == gtk_col)


@@ -3540,17 +4791,24 @@ wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int pos ) const
         }
     }
 
         }
     }
 

+    wxFAIL_MSG( "No matching column?" );
+

     return NULL;
 }
 
     return NULL;
 }
 

+wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int pos ) const
+{
+    GtkTreeViewColumn *gtk_col = gtk_tree_view_get_column( GTK_TREE_VIEW(m_treeview), pos );
+
+    return FromGTKColumn(gtk_col);
+}
+

 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
 {
     gtk_tree_view_remove_column( GTK_TREE_VIEW(m_treeview),
                                  GTK_TREE_VIEW_COLUMN(column->GetGtkHandle()) );
 
 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
 {
     gtk_tree_view_remove_column( GTK_TREE_VIEW(m_treeview),
                                  GTK_TREE_VIEW_COLUMN(column->GetGtkHandle()) );
 

-    m_cols.remove( column );
-
-    delete column;
+    m_cols.DeleteObject( column );

 
     return true;
 }
 
     return true;
 }


@@ -3558,29 +4816,25 @@ bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
 bool wxDataViewCtrl::ClearColumns()
 {
     wxDataViewColumnList::iterator iter;
 bool wxDataViewCtrl::ClearColumns()
 {
     wxDataViewColumnList::iterator iter;

-    for (iter = m_cols.begin(); iter != m_cols.end(); iter++)
+    for (iter = m_cols.begin(); iter != m_cols.end(); ++iter)

     {
         wxDataViewColumn *col = *iter;
         gtk_tree_view_remove_column( GTK_TREE_VIEW(m_treeview),
                                      GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) );
     }
 
     {
         wxDataViewColumn *col = *iter;
         gtk_tree_view_remove_column( GTK_TREE_VIEW(m_treeview),
                                      GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) );
     }
 

-    m_cols.clear();
+    m_cols.Clear();

 
     return true;
 }
 
 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
 {
 
     return true;
 }
 
 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
 {

-    GtkTreeViewColumn *gtk_column = GTK_TREE_VIEW_COLUMN(column->GetConstGtkHandle());
-
-    GList *list = gtk_tree_view_get_columns( GTK_TREE_VIEW(m_treeview) );
-
-    gint pos = g_list_index( list, (gconstpointer)  gtk_column );
+    GtkTreeViewColumn *gtk_column = GTK_TREE_VIEW_COLUMN(column->GetGtkHandle());

 
 

-    g_list_free( list );
+    wxGtkList list(gtk_tree_view_get_columns(GTK_TREE_VIEW(m_treeview)));

 
 

-    return pos;
+    return g_list_index( list, (gconstpointer)  gtk_column );

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


@@ -3592,18 +4846,88 @@ void wxDataViewCtrl::Expand( const wxDataViewItem & item )
 {
     GtkTreeIter iter;
     iter.user_data = item.GetID();
 {
     GtkTreeIter iter;
     iter.user_data = item.GetID();

-    GtkTreePath *path = m_internal->get_path( &iter );
+    wxGtkTreePath path(m_internal->get_path( &iter ));

     gtk_tree_view_expand_row( GTK_TREE_VIEW(m_treeview), path, false );
     gtk_tree_view_expand_row( GTK_TREE_VIEW(m_treeview), path, false );

-    gtk_tree_path_free( path );

 }
 
 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
 {
     GtkTreeIter iter;
     iter.user_data = item.GetID();
 }
 
 void wxDataViewCtrl::Collapse( const wxDataViewItem & item )
 {
     GtkTreeIter iter;
     iter.user_data = item.GetID();

-    GtkTreePath *path = m_internal->get_path( &iter );
+    wxGtkTreePath path(m_internal->get_path( &iter ));

     gtk_tree_view_collapse_row( GTK_TREE_VIEW(m_treeview), path );
     gtk_tree_view_collapse_row( GTK_TREE_VIEW(m_treeview), path );

-    gtk_tree_path_free( path );
+}
+
+bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
+{
+    GtkTreeIter iter;
+    iter.user_data = item.GetID();
+    wxGtkTreePath path(m_internal->get_path( &iter ));
+    return gtk_tree_view_row_expanded( GTK_TREE_VIEW(m_treeview), path );
+}
+
+wxDataViewItem wxDataViewCtrl::DoGetCurrentItem() const
+{
+    // The tree doesn't have any current item if it hadn't been created yet but
+    // it's arguably not an error to call this function in this case so just
+    // return an invalid item without asserting.
+    if ( !m_treeview )
+        return wxDataViewItem();
+
+    wxGtkTreePath path;
+    gtk_tree_view_get_cursor(GTK_TREE_VIEW(m_treeview), path.ByRef(), NULL);
+
+    return GTKPathToItem(path);
+}
+
+void wxDataViewCtrl::DoSetCurrentItem(const wxDataViewItem& item)
+{
+    wxCHECK_RET( m_treeview,
+                 "Current item can't be set before creating the control." );
+
+    // We need to make sure the model knows about this item or the path would
+    // be invalid and gtk_tree_view_set_cursor() would silently do nothing.
+    ExpandAncestors(item);
+
+    // We also need to preserve the existing selection from changing.
+    // Unfortunately the only way to do it seems to use our own selection
+    // function and forbid any selection changes during set cursor call.
+    wxGtkTreeSelectionLock
+        lock(gtk_tree_view_get_selection(GTK_TREE_VIEW(m_treeview)));
+
+    // Do move the cursor now.
+    GtkTreeIter iter;
+    iter.user_data = item.GetID();
+    wxGtkTreePath path(m_internal->get_path( &iter ));
+
+    gtk_tree_view_set_cursor(GTK_TREE_VIEW(m_treeview), path, NULL, FALSE);
+}
+
+void wxDataViewCtrl::StartEditor(const wxDataViewItem& item, unsigned int column)
+{
+    wxCHECK_RET( m_treeview,
+                 "Current item can't be set before creating the control." );
+
+    // We need to make sure the model knows about this item or the path would
+    // be invalid and gtk_tree_view_set_cursor() would silently do nothing.
+    ExpandAncestors(item);
+    
+    wxDataViewColumn *dvcolumn = GetColumn(column);
+    wxASSERT_MSG(dvcolumn, "Could not retrieve column");
+    GtkTreeViewColumn *gcolumn = GTK_TREE_VIEW_COLUMN(dvcolumn->GetGtkHandle());
+
+    // We also need to preserve the existing selection from changing.
+    // Unfortunately the only way to do it seems to use our own selection
+    // function and forbid any selection changes during set cursor call.
+    wxGtkTreeSelectionLock
+        lock(gtk_tree_view_get_selection(GTK_TREE_VIEW(m_treeview)));
+
+    // Do move the cursor now.
+    GtkTreeIter iter;
+    iter.user_data = item.GetID();
+    wxGtkTreePath path(m_internal->get_path( &iter ));
+
+    gtk_tree_view_set_cursor(GTK_TREE_VIEW(m_treeview), path, gcolumn, TRUE);

 }
 
 wxDataViewItem wxDataViewCtrl::GetSelection() const
 }
 
 wxDataViewItem wxDataViewCtrl::GetSelection() const


@@ -3619,14 +4943,13 @@ wxDataViewItem wxDataViewCtrl::GetSelection() const
         if (list)
         {
             GtkTreePath *path = (GtkTreePath*) list->data;
         if (list)
         {
             GtkTreePath *path = (GtkTreePath*) list->data;

-            GtkTreeIter iter;
-            m_internal->get_iter( &iter, path );
+            wxDataViewItem item(GTKPathToItem(path));

 
             // delete list
             g_list_foreach( list, (GFunc) gtk_tree_path_free, NULL );
             g_list_free( list );
 
 
             // delete list
             g_list_foreach( list, (GFunc) gtk_tree_path_free, NULL );
             g_list_free( list );
 

-            return wxDataViewItem( (void*) iter.user_data );
+            return item;

         }
     }
     else
         }
     }
     else


@@ -3634,7 +4957,7 @@ wxDataViewItem wxDataViewCtrl::GetSelection() const
         GtkTreeIter iter;
         if (gtk_tree_selection_get_selected( selection, NULL, &iter ))
         {
         GtkTreeIter iter;
         if (gtk_tree_selection_get_selected( selection, NULL, &iter ))
         {

-            wxDataViewItem item( (void*) iter.user_data );
+            wxDataViewItem item( iter.user_data );

             return item;
         }
     }
             return item;
         }
     }


@@ -3650,26 +4973,17 @@ int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
     if (HasFlag(wxDV_MULTIPLE))
     {
         GtkTreeModel *model;
     if (HasFlag(wxDV_MULTIPLE))
     {
         GtkTreeModel *model;

-        GList *list = gtk_tree_selection_get_selected_rows( selection, &model );
+        wxGtkTreePathList list(gtk_tree_selection_get_selected_rows(selection, &model));

 
         int count = 0;
 
         int count = 0;

-        while (list)
+        for ( GList* current = list; current; current = g_list_next(current) )

         {
             GtkTreePath *path = (GtkTreePath*) list->data;
 
         {
             GtkTreePath *path = (GtkTreePath*) list->data;
 

-            GtkTreeIter iter;
-            m_internal->get_iter( &iter, path );
-
-            sel.Add( wxDataViewItem( (void*) iter.user_data ) );
-
-            list = g_list_next( list );
+            sel.Add(GTKPathToItem(path));

             count++;
         }
 
             count++;
         }
 

-        // delete list
-        g_list_foreach( list, (GFunc) gtk_tree_path_free, NULL );
-        g_list_free( list );
-

         return count;
     }
     else
         return count;
     }
     else


@@ -3695,11 +5009,23 @@ void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
 
     gtk_tree_selection_unselect_all( selection );
 
 
     gtk_tree_selection_unselect_all( selection );
 

+    wxDataViewItem last_parent;
+

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

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

         GtkTreeIter iter;
         GtkTreeIter iter;

-        iter.user_data = (gpointer) sel[i].GetID();
+        iter.stamp = m_internal->GetGtkModel()->stamp;
+        iter.user_data = (gpointer) item.GetID();

         gtk_tree_selection_select_iter( selection, &iter );
     }
 
         gtk_tree_selection_select_iter( selection, &iter );
     }
 


@@ -3708,11 +5034,14 @@ void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
 
 void wxDataViewCtrl::Select( const wxDataViewItem & item )
 {
 
 void wxDataViewCtrl::Select( const wxDataViewItem & item )
 {

+    ExpandAncestors(item);
+

     GtkDisableSelectionEvents();
 
     GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
 
     GtkTreeIter iter;
     GtkDisableSelectionEvents();
 
     GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
 
     GtkTreeIter iter;

+    iter.stamp = m_internal->GetGtkModel()->stamp;

     iter.user_data = (gpointer) item.GetID();
     gtk_tree_selection_select_iter( selection, &iter );
 
     iter.user_data = (gpointer) item.GetID();
     gtk_tree_selection_select_iter( selection, &iter );
 


@@ -3726,6 +5055,7 @@ void wxDataViewCtrl::Unselect( const wxDataViewItem & item )
     GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
 
     GtkTreeIter iter;
     GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
 
     GtkTreeIter iter;

+    iter.stamp = m_internal->GetGtkModel()->stamp;

     iter.user_data = (gpointer) item.GetID();
     gtk_tree_selection_unselect_iter( selection, &iter );
 
     iter.user_data = (gpointer) item.GetID();
     gtk_tree_selection_unselect_iter( selection, &iter );
 


@@ -3737,6 +5067,7 @@ bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
     GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
 
     GtkTreeIter iter;
     GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
 
     GtkTreeIter iter;

+    iter.stamp = m_internal->GetGtkModel()->stamp;

     iter.user_data = (gpointer) item.GetID();
 
     return gtk_tree_selection_iter_is_selected( selection, &iter );
     iter.user_data = (gpointer) item.GetID();
 
     return gtk_tree_selection_iter_is_selected( selection, &iter );


@@ -3764,28 +5095,81 @@ void wxDataViewCtrl::UnselectAll()
     GtkEnableSelectionEvents();
 }
 
     GtkEnableSelectionEvents();
 }
 

-void wxDataViewCtrl::EnsureVisible( const wxDataViewItem & item, const wxDataViewColumn *column )
+void wxDataViewCtrl::EnsureVisible(const wxDataViewItem& item,
+                                   const wxDataViewColumn *WXUNUSED(column))

 {
 {

+    m_ensureVisibleDefered = item;
+    ExpandAncestors(item);
+

     GtkTreeIter iter;
     iter.user_data = (gpointer) item.GetID();
     GtkTreeIter iter;
     iter.user_data = (gpointer) item.GetID();

-    GtkTreePath *path = m_internal->get_path( &iter );
+    wxGtkTreePath path(m_internal->get_path( &iter ));

     gtk_tree_view_scroll_to_cell( GTK_TREE_VIEW(m_treeview), path, NULL, false, 0.0, 0.0 );
     gtk_tree_view_scroll_to_cell( GTK_TREE_VIEW(m_treeview), path, NULL, false, 0.0, 0.0 );

-    gtk_tree_path_free( path );

 }
 
 }
 

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

 {
 {

-    item = wxDataViewItem(0);
-    column = NULL;
+    // gtk_tree_view_get_dest_row_at_pos() is the right one. But it does not tell the column.
+    // gtk_tree_view_get_path_at_pos() is the wrong function. It doesn't mind the header but returns column.
+    // See http://mail.gnome.org/archives/gtkmm-list/2005-January/msg00080.html
+    // So we have to use both of them.
+    // Friedrich Haase 2010-9-20
+    wxGtkTreePath path, pathScratch;
+    GtkTreeViewColumn* GtkColumn = NULL;
+    GtkTreeViewDropPosition pos = GTK_TREE_VIEW_DROP_INTO_OR_AFTER;
+    gint cell_x = 0;
+    gint cell_y = 0;
+    
+    // cannot directly call GtkGetTreeView(), HitTest is const and so is this pointer
+    wxDataViewCtrl* ctrl = (wxDataViewCtrl*)this; // ugly workaround, ctrl is NOT const
+    GtkTreeView* treeView = GTK_TREE_VIEW(ctrl->GtkGetTreeView());
+    
+    // is there possibly a better suited function to get the column?
+    gtk_tree_view_get_path_at_pos(                // and this is the wrong call but it delivers the column
+      treeView,
+      (int) point.x, (int) point.y,
+      pathScratch.ByRef(),
+      &GtkColumn,                                 // here we get the GtkColumn
+      &cell_x,
+      &cell_y );
+      
+    if ( GtkColumn != NULL )
+    {                                             
+        // we got GTK column
+        // the right call now which takes the header into account
+        gtk_tree_view_get_dest_row_at_pos( treeView, (int) point.x, (int) point.y, path.ByRef(), &pos);
+          
+        if (path)
+            item = wxDataViewItem(GTKPathToItem(path));
+        // else we got a GTK column but the position is not over an item, e.g. below last item
+        for ( unsigned int i=0, cols=GetColumnCount(); i<cols; ++i )  // search the wx column
+        {
+            wxDataViewColumn* col = GetColumn(i);
+            if ( GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) == GtkColumn )
+            {
+                column = col;                      // here we get the wx column
+                break;
+            }
+        }
+    }
+    // else no column and thus no item, both null

 }
 
 }
 

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

 {
     return wxRect();
 }
 
 {
     return wxRect();
 }
 

+bool wxDataViewCtrl::SetRowHeight(int rowHeight)
+{
+    m_uniformRowHeight = rowHeight;
+    return true;
+}
+

 void wxDataViewCtrl::DoSetExpanderColumn()
 {
     gtk_tree_view_set_expander_column( GTK_TREE_VIEW(m_treeview),
 void wxDataViewCtrl::DoSetExpanderColumn()
 {
     gtk_tree_view_set_expander_column( GTK_TREE_VIEW(m_treeview),


@@ -3810,6 +5194,10 @@ void wxDataViewCtrl::GtkEnableSelectionEvents()
                             G_CALLBACK (wxdataview_selection_changed_callback), this);
 }
 
                             G_CALLBACK (wxdataview_selection_changed_callback), this);
 }
 

+// ----------------------------------------------------------------------------
+// visual attributes stuff
+// ----------------------------------------------------------------------------
+

 // static
 wxVisualAttributes
 wxDataViewCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 // static
 wxVisualAttributes
 wxDataViewCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))


@@ -3817,9 +5205,12 @@ wxDataViewCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
     return GetDefaultAttributesFromGTKWidget(gtk_tree_view_new);
 }
 
     return GetDefaultAttributesFromGTKWidget(gtk_tree_view_new);
 }
 

+void wxDataViewCtrl::DoApplyWidgetStyle(GtkRcStyle *style)
+{
+    wxDataViewCtrlBase::DoApplyWidgetStyle(style);
+    gtk_widget_modify_style(m_treeview, style);
+}

 
 

-#endif
-    // !wxUSE_GENERICDATAVIEWCTRL
+#endif // !wxUSE_GENERICDATAVIEWCTRL

 
 

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