new file added

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

diff --git a/src/gtk/dataview.cpp b/src/gtk/dataview.cpp
index 68a660db66a03625700ddb9eae08a345aedaed62..ea9b37efc1396d8b06e1dd69df24a6e130ec8515 100644 (file)
--- a/src/gtk/dataview.cpp
+++ b/src/gtk/dataview.cpp
@@ -25,13 +25,29 @@
 #endif
 
 #include "wx/stockitem.h"
 #endif
 
 #include "wx/stockitem.h"

-#include "wx/calctrl.h"

 #include "wx/popupwin.h"
 #include "wx/listimpl.cpp"
 
 #include "wx/popupwin.h"
 #include "wx/listimpl.cpp"
 

-#include "wx/gtk/private.h"

 #include "wx/gtk/dc.h"
 #include "wx/gtk/dc.h"

+#ifndef __WXGTK3__

 #include "wx/gtk/dcclient.h"
 #include "wx/gtk/dcclient.h"

+#endif
+
+#include <gtk/gtk.h>
+#include "wx/gtk/private.h"
+#include "wx/gtk/private/event.h"
+#include "wx/gtk/private/gdkconv.h"
+#include "wx/gtk/private/gtk2-compat.h"
+#include "wx/gtk/private/list.h"
+using namespace wxGTKImpl;
+
+class wxGtkDataViewModelNotifier;
+
+#ifdef __WXGTK3__
+    #define wxConstGdkRect const GdkRectangle
+#else
+    #define wxConstGdkRect GdkRectangle
+#endif

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


@@ -44,6 +60,170 @@ 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" {
+static
+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)
+#ifndef __WXGTK3__
+        if ( gtk_check_version(2, 14, 0) != NULL )
+            return;
+#endif
+
+        // 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
 //-----------------------------------------------------------------------------


@@ -51,10 +231,10 @@ typedef struct _GtkWxTreeModel       GtkWxTreeModel;
 WX_DECLARE_LIST(wxDataViewItem, ItemList);
 WX_DEFINE_LIST(ItemList)
 
 WX_DECLARE_LIST(wxDataViewItem, ItemList);
 WX_DEFINE_LIST(ItemList)
 

-class WXDLLIMPEXP_ADV wxDataViewCtrlInternal
+class wxDataViewCtrlInternal

 {
 public:
 {
 public:

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

     ~wxDataViewCtrlInternal();
 
     // model iface
     ~wxDataViewCtrlInternal();
 
     // model iface


@@ -86,8 +266,10 @@ public:
     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();
 
     // sorting interface
     void Resort();
 
     // sorting interface


@@ -100,7 +282,15 @@ public:
     void SetDataViewSortColumn( wxDataViewColumn *column ) { m_dataview_sort_column = column; }
     wxDataViewColumn *GetDataViewSortColumn()   { return m_dataview_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); }
+    bool IsSorted() const                       { return m_sort_column >= 0; }
+
+    // Should we be sorted either because we have a configured sort column or
+    // because we have a default sort order?
+    bool ShouldBeSorted() const
+    {
+        return IsSorted() || GetDataViewModel()->HasDefaultCompare();
+    }
+

 
     // accessors
     wxDataViewModel* GetDataViewModel() { return m_wx_model; }
 
     // accessors
     wxDataViewModel* GetDataViewModel() { return m_wx_model; }


@@ -108,8 +298,15 @@ public:
     wxDataViewCtrl* GetOwner()          { return m_owner; }
     GtkWxTreeModel* GetGtkModel()       { return m_gtk_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 );
+
+    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 );


@@ -132,6 +329,10 @@ private:
     GtkTargetEntry        m_dropTargetTargetEntry;
     wxCharBuffer          m_dropTargetTargetEntryTarget;
     wxDataObject         *m_dropDataObject;
     GtkTargetEntry        m_dropTargetTargetEntry;
     wxCharBuffer          m_dropTargetTargetEntryTarget;
     wxDataObject         *m_dropDataObject;

+
+    wxGtkDataViewModelNotifier *m_notifier;
+
+    bool                  m_dirty;

 };
 
 
 };
 
 


@@ -142,7 +343,7 @@ private:
 static
 int LINKAGEMODE wxGtkTreeModelChildCmp( void** id1, void** id2 )
 {
 static
 int LINKAGEMODE wxGtkTreeModelChildCmp( void** id1, void** id2 )
 {

-    int ret = gs_internal->GetDataViewModel()->Compare( *id1, *id2,
+    int ret = gs_internal->GetDataViewModel()->Compare( wxDataViewItem(*id1), wxDataViewItem(*id2),

         gs_internal->GetSortColumn(), (gs_internal->GetSortOrder() == GTK_SORT_ASCENDING) );
 
     return ret;
         gs_internal->GetSortColumn(), (gs_internal->GetSortOrder() == GTK_SORT_ASCENDING) );
 
     return ret;


@@ -173,7 +374,7 @@ public:
         }
     }
 
         }
     }
 

-    unsigned int AddNode( wxGtkTreeModelNode* child )
+    void AddNode( wxGtkTreeModelNode* child )

         {
             m_nodes.Add( child );
 
         {
             m_nodes.Add( child );
 


@@ -181,28 +382,58 @@ public:
 
             m_children.Add( id );
 
 
             m_children.Add( id );
 

-            if (m_internal->IsSorted() || m_internal->GetDataViewModel()->HasDefaultCompare())
+            if (m_internal->ShouldBeSorted())

             {
                 gs_internal = m_internal;
                 m_children.Sort( &wxGtkTreeModelChildCmp );
             {
                 gs_internal = m_internal;
                 m_children.Sort( &wxGtkTreeModelChildCmp );

-                return m_children.Index( id );

             }
             }

+        }
+
+    void InsertNode( wxGtkTreeModelNode* child, unsigned pos )
+        {
+            if (m_internal->ShouldBeSorted())
+            {
+                AddNode(child);
+                return;
+            }
+
+            void *id = child->GetItem().GetID();
+
+            // Insert into m_nodes so that the order of nodes in m_nodes is the
+            // same as the order of their corresponding IDs in m_children:
+            const unsigned int count = m_nodes.GetCount();
+            bool inserted = false;
+            for (unsigned i = 0; i < count; i++)
+            {
+                wxGtkTreeModelNode *node = m_nodes[i];
+                int posInChildren = m_children.Index(node->GetItem().GetID());
+                if ( (unsigned)posInChildren >= pos )
+                {
+                    m_nodes.Insert(child, i);
+                    inserted = true;
+                    break;
+                }
+            }
+            if ( !inserted )
+                m_nodes.Add(child);

 
 

-            return m_children.GetCount()-1;
+            m_children.Insert( id, pos );

         }
 
         }
 

-    unsigned int AddLeave( void* id )
+    void AddLeaf( void* id )

         {
         {

-            m_children.Add( id );
+            InsertLeaf(id, m_children.size());
+        }

 
 

-            if (m_internal->IsSorted() || m_internal->GetDataViewModel()->HasDefaultCompare())
+    void InsertLeaf( void* id, unsigned pos )
+        {
+            m_children.Insert( id, pos );
+
+            if (m_internal->ShouldBeSorted())

             {
                 gs_internal = m_internal;
                 m_children.Sort( &wxGtkTreeModelChildCmp );
             {
                 gs_internal = m_internal;
                 m_children.Sort( &wxGtkTreeModelChildCmp );

-                return m_children.Index( id );

             }
             }

-
-            return m_children.GetCount()-1;

         }
 
     void DeleteChild( void* id )
         }
 
     void DeleteChild( void* id )


@@ -223,6 +454,20 @@ public:
             }
         }
 
             }
         }
 

+    // returns position of child node for given item in children list or wxNOT_FOUND
+    int FindChildByItem(const wxDataViewItem& item) const
+    {
+        const void* itemId = item.GetID();
+        const wxGtkTreeModelChildren& nodes = m_children;
+        const int len = nodes.size();
+        for ( int i = 0; i < len; i++ )
+        {
+            if ( nodes[i] == itemId )
+                return i;
+        }
+        return wxNOT_FOUND;
+    }
+

     wxGtkTreeModelNode* GetParent()
         { return m_parent; }
     wxGtkTreeModelNodes &GetNodes()
     wxGtkTreeModelNode* GetParent()
         { return m_parent; }
     wxGtkTreeModelNodes &GetNodes()


@@ -261,15 +506,11 @@ extern "C" {
 
 #define GTK_TYPE_WX_TREE_MODEL               (gtk_wx_tree_model_get_type ())
 #define GTK_WX_TREE_MODEL(obj)               (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_WX_TREE_MODEL, GtkWxTreeModel))
 
 #define GTK_TYPE_WX_TREE_MODEL               (gtk_wx_tree_model_get_type ())
 #define GTK_WX_TREE_MODEL(obj)               (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_WX_TREE_MODEL, GtkWxTreeModel))

-#define GTK_WX_TREE_MODEL_CLASS(klass)       (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_WX_TREE_MODEL, GtkWxTreeModelClass))

 #define GTK_IS_WX_TREE_MODEL(obj)            (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_WX_TREE_MODEL))
 #define GTK_IS_WX_TREE_MODEL_CLASS(klass)    (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_WX_TREE_MODEL))
 #define GTK_IS_WX_TREE_MODEL(obj)            (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_WX_TREE_MODEL))
 #define GTK_IS_WX_TREE_MODEL_CLASS(klass)    (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_WX_TREE_MODEL))

-#define GTK_WX_TREE_MODEL_GET_CLASS(obj)     (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_WX_TREE_MODEL, GtkWxTreeModelClass))

 
 GType         gtk_wx_tree_model_get_type         (void);
 
 
 GType         gtk_wx_tree_model_get_type         (void);
 

-typedef struct _GtkWxTreeModelClass  GtkWxTreeModelClass;
-

 struct _GtkWxTreeModel
 {
   GObject parent;
 struct _GtkWxTreeModel
 {
   GObject parent;


@@ -279,21 +520,14 @@ struct _GtkWxTreeModel
   wxDataViewCtrlInternal *internal;
 };
 
   wxDataViewCtrlInternal *internal;
 };
 

-struct _GtkWxTreeModelClass
-{
-  GObjectClass list_parent_class;
-};
-

 static GtkWxTreeModel *wxgtk_tree_model_new          (void);
 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_init            (GTypeInstance* instance, void*);

 
 

-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_tree_model_init (void* g_iface, void*);
+static void         wxgtk_tree_model_sortable_init   (void* g_iface, void*);
+static void         wxgtk_tree_model_drag_source_init(void* g_iface, void*);
+static void         wxgtk_tree_model_drag_dest_init  (void* g_iface, void*);

 
 

-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 GType        wxgtk_tree_model_get_column_type (GtkTreeModel      *tree_model,
 static GtkTreeModelFlags wxgtk_tree_model_get_flags  (GtkTreeModel      *tree_model);
 static gint         wxgtk_tree_model_get_n_columns   (GtkTreeModel      *tree_model);
 static GType        wxgtk_tree_model_get_column_type (GtkTreeModel      *tree_model,


@@ -335,11 +569,11 @@ static void     wxgtk_tree_model_set_sort_func         (GtkTreeSortable       *s
                                                         gint                   sort_column_id,
                                                         GtkTreeIterCompareFunc func,
                                                         gpointer               data,
                                                         gint                   sort_column_id,
                                                         GtkTreeIterCompareFunc func,
                                                         gpointer               data,

-                                                        GtkDestroyNotify       destroy);
+                                                        GDestroyNotify       destroy);

 static void     wxgtk_tree_model_set_default_sort_func (GtkTreeSortable       *sortable,
                                                         GtkTreeIterCompareFunc func,
                                                         gpointer               data,
 static void     wxgtk_tree_model_set_default_sort_func (GtkTreeSortable       *sortable,
                                                         GtkTreeIterCompareFunc func,
                                                         gpointer               data,

-                                                        GtkDestroyNotify       destroy);
+                                                        GDestroyNotify       destroy);

 static gboolean wxgtk_tree_model_has_default_sort_func (GtkTreeSortable       *sortable);
 
 /* drag'n'drop */
 static gboolean wxgtk_tree_model_has_default_sort_func (GtkTreeSortable       *sortable);
 
 /* drag'n'drop */


@@ -357,9 +591,6 @@ static gboolean wxgtk_tree_model_row_drop_possible     (GtkTreeDragDest       *d
                                                         GtkTreePath           *dest_path,
                                                         GtkSelectionData      *selection_data);
 
                                                         GtkTreePath           *dest_path,
                                                         GtkSelectionData      *selection_data);
 

-
-static GObjectClass *list_parent_class = NULL;
-

 GType
 gtk_wx_tree_model_get_type (void)
 {
 GType
 gtk_wx_tree_model_get_type (void)
 {


@@ -369,41 +600,41 @@ gtk_wx_tree_model_get_type (void)
     {
         const GTypeInfo tree_model_info =
         {
     {
         const GTypeInfo tree_model_info =
         {

-            sizeof (GtkWxTreeModelClass),
+            sizeof (GObjectClass),

             NULL,   /* base_init */
             NULL,   /* base_finalize */
             NULL,   /* base_init */
             NULL,   /* base_finalize */

-            (GClassInitFunc) wxgtk_tree_model_class_init,
+            NULL,

             NULL,   /* class_finalize */
             NULL,   /* class_data */
             sizeof (GtkWxTreeModel),
             0,
             NULL,   /* class_finalize */
             NULL,   /* class_data */
             sizeof (GtkWxTreeModel),
             0,

-            (GInstanceInitFunc) wxgtk_tree_model_init,
+            wxgtk_tree_model_init,

         };
 
         static const GInterfaceInfo tree_model_iface_info =
         {
         };
 
         static const GInterfaceInfo tree_model_iface_info =
         {

-            (GInterfaceInitFunc) wxgtk_tree_model_tree_model_init,
+            wxgtk_tree_model_tree_model_init,

             NULL,
             NULL
         };
 
         static const GInterfaceInfo sortable_iface_info =
         {
             NULL,
             NULL
         };
 
         static const GInterfaceInfo sortable_iface_info =
         {

-            (GInterfaceInitFunc) wxgtk_tree_model_sortable_init,
+            wxgtk_tree_model_sortable_init,

             NULL,
             NULL
         };
 
         static const GInterfaceInfo drag_source_iface_info =
         {
             NULL,
             NULL
         };
 
         static const GInterfaceInfo drag_source_iface_info =
         {

-            (GInterfaceInitFunc) wxgtk_tree_model_drag_source_init,
+            wxgtk_tree_model_drag_source_init,

             NULL,
             NULL
         };
 
         static const GInterfaceInfo drag_dest_iface_info =
         {
             NULL,
             NULL
         };
 
         static const GInterfaceInfo drag_dest_iface_info =
         {

-            (GInterfaceInitFunc) wxgtk_tree_model_drag_dest_init,
+            wxgtk_tree_model_drag_dest_init,

             NULL,
             NULL
         };
             NULL,
             NULL
         };


@@ -436,16 +667,9 @@ wxgtk_tree_model_new(void)
 }
 
 static void
 }
 
 static void

-wxgtk_tree_model_class_init (GtkWxTreeModelClass *klass)
-{
-    list_parent_class = (GObjectClass*) g_type_class_peek_parent (klass);
-    GObjectClass *object_class = (GObjectClass*) klass;
-    object_class->finalize = wxgtk_tree_model_finalize;
-}
-
-static void
-wxgtk_tree_model_tree_model_init (GtkTreeModelIface *iface)
+wxgtk_tree_model_tree_model_init(void* g_iface, void*)

 {
 {

+    GtkTreeModelIface* iface = static_cast<GtkTreeModelIface*>(g_iface);

     iface->get_flags = wxgtk_tree_model_get_flags;
     iface->get_n_columns = wxgtk_tree_model_get_n_columns;
     iface->get_column_type = wxgtk_tree_model_get_column_type;
     iface->get_flags = wxgtk_tree_model_get_flags;
     iface->get_n_columns = wxgtk_tree_model_get_n_columns;
     iface->get_column_type = wxgtk_tree_model_get_column_type;


@@ -461,8 +685,9 @@ wxgtk_tree_model_tree_model_init (GtkTreeModelIface *iface)
 }
 
 static void
 }
 
 static void

-wxgtk_tree_model_sortable_init (GtkTreeSortableIface *iface)
+wxgtk_tree_model_sortable_init(void* g_iface, void*)

 {
 {

+    GtkTreeSortableIface* iface = static_cast<GtkTreeSortableIface*>(g_iface);

     iface->get_sort_column_id = wxgtk_tree_model_get_sort_column_id;
     iface->set_sort_column_id = wxgtk_tree_model_set_sort_column_id;
     iface->set_sort_func = wxgtk_tree_model_set_sort_func;
     iface->get_sort_column_id = wxgtk_tree_model_get_sort_column_id;
     iface->set_sort_column_id = wxgtk_tree_model_set_sort_column_id;
     iface->set_sort_func = wxgtk_tree_model_set_sort_func;


@@ -471,34 +696,30 @@ wxgtk_tree_model_sortable_init (GtkTreeSortableIface *iface)
 }
 
 static void
 }
 
 static void

-wxgtk_tree_model_drag_source_init(GtkTreeDragSourceIface  *iface)
+wxgtk_tree_model_drag_source_init(void* g_iface, void*)

 {
 {

+    GtkTreeDragSourceIface* iface = static_cast<GtkTreeDragSourceIface*>(g_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
     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)
+wxgtk_tree_model_drag_dest_init(void* g_iface, void*)

 {
 {

+    GtkTreeDragDestIface* iface = static_cast<GtkTreeDragDestIface*>(g_iface);

     iface->drag_data_received = wxgtk_tree_model_drag_data_received;
     iface->row_drop_possible = wxgtk_tree_model_row_drop_possible;
 }
 
 static void
     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)
+wxgtk_tree_model_init(GTypeInstance* instance, void*)

 {
 {

+    GtkWxTreeModel* tree_model = GTK_WX_TREE_MODEL(instance);

     tree_model->internal = NULL;
     tree_model->stamp = g_random_int();
 }
 
     tree_model->internal = NULL;
     tree_model->stamp = g_random_int();
 }
 

-static void
-wxgtk_tree_model_finalize (GObject *object)
-{
-    /* must chain up */
-    (* list_parent_class->finalize) (object);
-}
-

 } // extern "C"
 
 //-----------------------------------------------------------------------------
 } // extern "C"
 
 //-----------------------------------------------------------------------------


@@ -539,8 +760,8 @@ 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;


@@ -591,7 +812,7 @@ 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") );

     }
 }
 
     }
 }
 


@@ -601,9 +822,8 @@ wxgtk_tree_model_iter_next (GtkTreeModel  *tree_model,
 {
     GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
 
 {
     GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
 

-    //if (wxtree_model->stamp != iter->stamp)
-    //   wxPrintf( "crash\n" );
-    // TODO: remove this code
+    // 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);


@@ -618,7 +838,10 @@ 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 );
 }


@@ -639,7 +862,7 @@ 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 (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 );
     g_return_val_if_fail ( !iter || wxtree_model->stamp == iter->stamp, 0);
 
     return wxtree_model->internal->iter_n_children( iter );


@@ -806,7 +1029,7 @@ wxgtk_tree_model_set_sort_func (GtkTreeSortable        *sortable,
                                 gint                    WXUNUSED(sort_column_id),
                                 GtkTreeIterCompareFunc  func,
                                 gpointer                WXUNUSED(data),
                                 gint                    WXUNUSED(sort_column_id),
                                 GtkTreeIterCompareFunc  func,
                                 gpointer                WXUNUSED(data),

-                                GtkDestroyNotify        WXUNUSED(destroy))
+                                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);


@@ -816,7 +1039,7 @@ static void
 wxgtk_tree_model_set_default_sort_func (GtkTreeSortable          *sortable,
                                         GtkTreeIterCompareFunc    func,
                                         gpointer                  WXUNUSED(data),
 wxgtk_tree_model_set_default_sort_func (GtkTreeSortable          *sortable,
                                         GtkTreeIterCompareFunc    func,
                                         gpointer                  WXUNUSED(data),

-                                        GtkDestroyNotify          WXUNUSED(destroy))
+                                        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);


@@ -841,43 +1064,32 @@ 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_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_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;
 
 GType            gtk_wx_cell_renderer_text_get_type (void);
 
 typedef struct _GtkWxCellRendererText GtkWxCellRendererText;

-typedef struct _GtkWxCellRendererTextClass GtkWxCellRendererTextClass;

 
 struct _GtkWxCellRendererText
 {
   GtkCellRendererText parent;
 
 struct _GtkWxCellRendererText
 {
   GtkCellRendererText parent;

-  
-  wxDataViewRenderer *wx_renderer;
-};

 
 

-struct _GtkWxCellRendererTextClass
-{
-  GtkCellRendererTextClass cell_parent_class;
+  wxDataViewRenderer *wx_renderer;

 };
 
 };
 

-

 static GtkWxCellRendererText *gtk_wx_cell_renderer_text_new   (void);
 static void gtk_wx_cell_renderer_text_init (
 static GtkWxCellRendererText *gtk_wx_cell_renderer_text_new   (void);
 static void gtk_wx_cell_renderer_text_init (

-                        GtkWxCellRendererText      *cell );
+                        GTypeInstance* instance, void*);

 static void gtk_wx_cell_renderer_text_class_init(
 static void gtk_wx_cell_renderer_text_class_init(

-                        GtkWxCellRendererTextClass *klass );
-static void gtk_wx_cell_renderer_text_finalize (
-                        GObject                *object );
+                        void* klass, void*);

 static GtkCellEditable *gtk_wx_cell_renderer_text_start_editing(
                         GtkCellRenderer         *cell,
                         GdkEvent                *event,
                         GtkWidget               *widget,
                         const gchar             *path,
 static GtkCellEditable *gtk_wx_cell_renderer_text_start_editing(
                         GtkCellRenderer         *cell,
                         GdkEvent                *event,
                         GtkWidget               *widget,
                         const gchar             *path,

-                        GdkRectangle            *background_area,
-                        GdkRectangle            *cell_area,
+                        wxConstGdkRect          *background_area,
+                        wxConstGdkRect          *cell_area,

                         GtkCellRendererState     flags );
 
 
                         GtkCellRendererState     flags );
 
 


@@ -894,15 +1106,15 @@ gtk_wx_cell_renderer_text_get_type (void)
     {
         const GTypeInfo cell_wx_info =
         {
     {
         const GTypeInfo cell_wx_info =
         {

-            sizeof (GtkWxCellRendererTextClass),
+            sizeof (GtkCellRendererTextClass),

             NULL, /* base_init */
             NULL, /* base_finalize */
             NULL, /* base_init */
             NULL, /* base_finalize */

-            (GClassInitFunc) gtk_wx_cell_renderer_text_class_init,
+            gtk_wx_cell_renderer_text_class_init,

             NULL, /* class_finalize */
             NULL, /* class_data */
             sizeof (GtkWxCellRendererText),
             0,          /* n_preallocs */
             NULL, /* class_finalize */
             NULL, /* class_data */
             sizeof (GtkWxCellRendererText),
             0,          /* n_preallocs */

-            (GInstanceInitFunc) gtk_wx_cell_renderer_text_init,
+            gtk_wx_cell_renderer_text_init,

         };
 
         cell_wx_type = g_type_register_static( GTK_TYPE_CELL_RENDERER_TEXT,
         };
 
         cell_wx_type = g_type_register_static( GTK_TYPE_CELL_RENDERER_TEXT,


@@ -913,31 +1125,22 @@ gtk_wx_cell_renderer_text_get_type (void)
 }
 
 static void
 }
 
 static void

-gtk_wx_cell_renderer_text_init (GtkWxCellRendererText *cell)
+gtk_wx_cell_renderer_text_init(GTypeInstance* instance, void*)

 {
 {

+    GtkWxCellRendererText* cell = GTK_WX_CELL_RENDERER_TEXT(instance);

     cell->wx_renderer = NULL;
 }
 
 static void
     cell->wx_renderer = NULL;
 }
 
 static void

-gtk_wx_cell_renderer_text_class_init (GtkWxCellRendererTextClass *klass)
+gtk_wx_cell_renderer_text_class_init(void* klass, void*)

 {
 {

-    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);
 
     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;
 }
 
     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)
 {
 GtkWxCellRendererText*
 gtk_wx_cell_renderer_text_new (void)
 {


@@ -949,28 +1152,25 @@ static GtkCellEditable *gtk_wx_cell_renderer_text_start_editing(
                         GdkEvent                *gdk_event,
                         GtkWidget               *widget,
                         const gchar             *path,
                         GdkEvent                *gdk_event,
                         GtkWidget               *widget,
                         const gchar             *path,

-                        GdkRectangle            *background_area,
-                        GdkRectangle            *cell_area,
+                        wxConstGdkRect          *background_area,
+                        wxConstGdkRect          *cell_area,

                         GtkCellRendererState     flags )
 {
     GtkWxCellRendererText *wxgtk_renderer = (GtkWxCellRendererText *) gtk_renderer;
     wxDataViewRenderer *wx_renderer = wxgtk_renderer->wx_renderer;
                         GtkCellRendererState     flags )
 {
     GtkWxCellRendererText *wxgtk_renderer = (GtkWxCellRendererText *) gtk_renderer;
     wxDataViewRenderer *wx_renderer = wxgtk_renderer->wx_renderer;

+    wxDataViewColumn *column = wx_renderer->GetOwner();

 
 

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

 
 

-    wxDataViewColumn *column = wx_renderer->GetOwner();

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

-    event.SetColumn( wx_renderer->GetOwner()->GetModelColumn() );
+    event.SetColumn( column->GetModelColumn() );

     event.SetItem( item );
     dv->HandleWindowEvent( event );
     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 );
     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 );


@@ -986,15 +1186,12 @@ extern "C" {
 
 #define GTK_TYPE_WX_CELL_RENDERER               (gtk_wx_cell_renderer_get_type ())
 #define GTK_WX_CELL_RENDERER(obj)               (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_WX_CELL_RENDERER, GtkWxCellRenderer))
 
 #define GTK_TYPE_WX_CELL_RENDERER               (gtk_wx_cell_renderer_get_type ())
 #define GTK_WX_CELL_RENDERER(obj)               (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_WX_CELL_RENDERER, GtkWxCellRenderer))

-#define GTK_WX_CELL_RENDERER_CLASS(klass)       (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_WX_CELL_RENDERER, GtkWxCellRendererClass))

 #define GTK_IS_WX_CELL_RENDERER(obj)            (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_WX_CELL_RENDERER))
 #define GTK_IS_WX_CELL_RENDERER_CLASS(klass)    (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_WX_CELL_RENDERER))
 #define GTK_IS_WX_CELL_RENDERER(obj)            (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_WX_CELL_RENDERER))
 #define GTK_IS_WX_CELL_RENDERER_CLASS(klass)    (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_WX_CELL_RENDERER))

-#define GTK_WX_CELL_RENDERER_GET_CLASS(obj)     (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_WX_CELL_RENDERER, GtkWxCellRendererClass))

 
 GType            gtk_wx_cell_renderer_get_type (void);
 
 typedef struct _GtkWxCellRenderer GtkWxCellRenderer;
 
 GType            gtk_wx_cell_renderer_get_type (void);
 
 typedef struct _GtkWxCellRenderer GtkWxCellRenderer;

-typedef struct _GtkWxCellRendererClass GtkWxCellRendererClass;

 
 struct _GtkWxCellRenderer
 {
 
 struct _GtkWxCellRenderer
 {


@@ -1002,58 +1199,52 @@ struct _GtkWxCellRenderer
 
   /*< private >*/
   wxDataViewCustomRenderer *cell;
 
   /*< private >*/
   wxDataViewCustomRenderer *cell;

-  guint32 last_click;

 };
 
 };
 

-struct _GtkWxCellRendererClass
-{
-  GtkCellRendererClass cell_parent_class;
-};
-
-

 static GtkCellRenderer *gtk_wx_cell_renderer_new   (void);
 static void gtk_wx_cell_renderer_init (
 static GtkCellRenderer *gtk_wx_cell_renderer_new   (void);
 static void gtk_wx_cell_renderer_init (

-                        GtkWxCellRenderer      *cell );
+                        GTypeInstance* instance, void*);

 static void gtk_wx_cell_renderer_class_init(
 static void gtk_wx_cell_renderer_class_init(

-                        GtkWxCellRendererClass *klass );
-static void gtk_wx_cell_renderer_finalize (
-                        GObject                *object );
+                        void* klass, void*);

 static void gtk_wx_cell_renderer_get_size (
                         GtkCellRenderer         *cell,
                         GtkWidget               *widget,
 static void gtk_wx_cell_renderer_get_size (
                         GtkCellRenderer         *cell,
                         GtkWidget               *widget,

-                        GdkRectangle            *rectangle,
+                        wxConstGdkRect          *rectangle,

                         gint                    *x_offset,
                         gint                    *y_offset,
                         gint                    *width,
                         gint                    *height );
 static void gtk_wx_cell_renderer_render (
                         GtkCellRenderer         *cell,
                         gint                    *x_offset,
                         gint                    *y_offset,
                         gint                    *width,
                         gint                    *height );
 static void gtk_wx_cell_renderer_render (
                         GtkCellRenderer         *cell,

+#ifdef __WXGTK3__
+                        cairo_t* cr,
+#else

                         GdkWindow               *window,
                         GdkWindow               *window,

+#endif

                         GtkWidget               *widget,
                         GtkWidget               *widget,

-                        GdkRectangle            *background_area,
-                        GdkRectangle            *cell_area,
+                        wxConstGdkRect          *background_area,
+                        wxConstGdkRect          *cell_area,
+#ifndef __WXGTK3__

                         GdkRectangle            *expose_area,
                         GdkRectangle            *expose_area,

+#endif

                         GtkCellRendererState     flags );
 static gboolean gtk_wx_cell_renderer_activate(
                         GtkCellRenderer         *cell,
                         GdkEvent                *event,
                         GtkWidget               *widget,
                         const gchar             *path,
                         GtkCellRendererState     flags );
 static gboolean gtk_wx_cell_renderer_activate(
                         GtkCellRenderer         *cell,
                         GdkEvent                *event,
                         GtkWidget               *widget,
                         const gchar             *path,

-                        GdkRectangle            *background_area,
-                        GdkRectangle            *cell_area,
+                        wxConstGdkRect          *background_area,
+                        wxConstGdkRect          *cell_area,

                         GtkCellRendererState     flags );
 static GtkCellEditable *gtk_wx_cell_renderer_start_editing(
                         GtkCellRenderer         *cell,
                         GdkEvent                *event,
                         GtkWidget               *widget,
                         const gchar             *path,
                         GtkCellRendererState     flags );
 static GtkCellEditable *gtk_wx_cell_renderer_start_editing(
                         GtkCellRenderer         *cell,
                         GdkEvent                *event,
                         GtkWidget               *widget,
                         const gchar             *path,

-                        GdkRectangle            *background_area,
-                        GdkRectangle            *cell_area,
+                        wxConstGdkRect          *background_area,
+                        wxConstGdkRect          *cell_area,

                         GtkCellRendererState     flags );
 
                         GtkCellRendererState     flags );
 

-
-static GObjectClass *cell_parent_class = NULL;
-

 }  // extern "C"
 
 GType
 }  // extern "C"
 
 GType


@@ -1065,15 +1256,15 @@ gtk_wx_cell_renderer_get_type (void)
     {
         const GTypeInfo cell_wx_info =
         {
     {
         const GTypeInfo cell_wx_info =
         {

-            sizeof (GtkWxCellRendererClass),
+            sizeof (GtkCellRendererClass),

             NULL, /* base_init */
             NULL, /* base_finalize */
             NULL, /* base_init */
             NULL, /* base_finalize */

-            (GClassInitFunc) gtk_wx_cell_renderer_class_init,
+            gtk_wx_cell_renderer_class_init,

             NULL, /* class_finalize */
             NULL, /* class_data */
             sizeof (GtkWxCellRenderer),
             0,          /* n_preallocs */
             NULL, /* class_finalize */
             NULL, /* class_data */
             sizeof (GtkWxCellRenderer),
             0,          /* n_preallocs */

-            (GInstanceInitFunc) gtk_wx_cell_renderer_init,
+            gtk_wx_cell_renderer_init,

         };
 
         cell_wx_type = g_type_register_static( GTK_TYPE_CELL_RENDERER,
         };
 
         cell_wx_type = g_type_register_static( GTK_TYPE_CELL_RENDERER,


@@ -1084,35 +1275,23 @@ gtk_wx_cell_renderer_get_type (void)
 }
 
 static void
 }
 
 static void

-gtk_wx_cell_renderer_init (GtkWxCellRenderer *cell)
+gtk_wx_cell_renderer_init(GTypeInstance* instance, void*)

 {
 {

+    GtkWxCellRenderer* cell = GTK_WX_CELL_RENDERER(instance);

     cell->cell = NULL;
     cell->cell = NULL;

-    cell->last_click = 0;

 }
 
 static void
 }
 
 static void

-gtk_wx_cell_renderer_class_init (GtkWxCellRendererClass *klass)
+gtk_wx_cell_renderer_class_init(void* klass, void*)

 {
 {

-    GObjectClass *object_class = G_OBJECT_CLASS (klass);

     GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS (klass);
 
     GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS (klass);
 

-    cell_parent_class = (GObjectClass*) g_type_class_peek_parent (klass);
-
-    object_class->finalize = gtk_wx_cell_renderer_finalize;
-

     cell_class->get_size = gtk_wx_cell_renderer_get_size;
     cell_class->render = gtk_wx_cell_renderer_render;
     cell_class->activate = gtk_wx_cell_renderer_activate;
     cell_class->start_editing = gtk_wx_cell_renderer_start_editing;
 }
 
     cell_class->get_size = gtk_wx_cell_renderer_get_size;
     cell_class->render = gtk_wx_cell_renderer_render;
     cell_class->activate = gtk_wx_cell_renderer_activate;
     cell_class->start_editing = gtk_wx_cell_renderer_start_editing;
 }
 

-static void
-gtk_wx_cell_renderer_finalize (GObject *object)
-{
-    /* must chain up */
-    (* G_OBJECT_CLASS (cell_parent_class)->finalize) (object);
-}
-

 GtkCellRenderer*
 gtk_wx_cell_renderer_new (void)
 {
 GtkCellRenderer*
 gtk_wx_cell_renderer_new (void)
 {


@@ -1124,8 +1303,8 @@ static GtkCellEditable *gtk_wx_cell_renderer_start_editing(
                         GdkEvent                *WXUNUSED(event),
                         GtkWidget               *widget,
                         const gchar             *path,
                         GdkEvent                *WXUNUSED(event),
                         GtkWidget               *widget,
                         const gchar             *path,

-                        GdkRectangle            *WXUNUSED(background_area),
-                        GdkRectangle            *cell_area,
+                        wxConstGdkRect          *WXUNUSED(background_area),
+                        wxConstGdkRect          *cell_area,

                         GtkCellRendererState     WXUNUSED(flags) )
 {
     GtkWxCellRenderer *wxrenderer = (GtkWxCellRenderer *) renderer;
                         GtkCellRendererState     WXUNUSED(flags) )
 {
     GtkWxCellRenderer *wxrenderer = (GtkWxCellRenderer *) renderer;


@@ -1151,14 +1330,11 @@ 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 );
 


@@ -1168,7 +1344,7 @@ static GtkCellEditable *gtk_wx_cell_renderer_start_editing(
 static void
 gtk_wx_cell_renderer_get_size (GtkCellRenderer *renderer,
                                GtkWidget       *WXUNUSED(widget),
 static void
 gtk_wx_cell_renderer_get_size (GtkCellRenderer *renderer,
                                GtkWidget       *WXUNUSED(widget),

-                               GdkRectangle    *cell_area,
+                               wxConstGdkRect  *cell_area,

                                gint            *x_offset,
                                gint            *y_offset,
                                gint            *width,
                                gint            *x_offset,
                                gint            *y_offset,
                                gint            *width,


@@ -1179,8 +1355,21 @@ 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;


@@ -1189,17 +1378,17 @@ 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;

         }
     }
 
         }
     }
 


@@ -1210,67 +1399,96 @@ gtk_wx_cell_renderer_get_size (GtkCellRenderer *renderer,
         *height = calc_height;
 }
 
         *height = calc_height;
 }
 

+struct wxDataViewCustomRenderer::GTKRenderParams
+{
+#ifdef __WXGTK3__
+    cairo_t* cr;
+#else
+    GdkWindow* window;
+    GdkRectangle* expose_area;
+#endif
+    GtkWidget* widget;
+    wxConstGdkRect* background_area;
+    int flags;
+};
+

 static void
 gtk_wx_cell_renderer_render (GtkCellRenderer      *renderer,
 static void
 gtk_wx_cell_renderer_render (GtkCellRenderer      *renderer,

+#ifdef __WXGTK3__
+                             cairo_t* cr,
+#else

                              GdkWindow            *window,
                              GdkWindow            *window,

+#endif

                              GtkWidget            *widget,
                              GtkWidget            *widget,

-                             GdkRectangle         *background_area,
-                             GdkRectangle         *cell_area,
+                             wxConstGdkRect       *background_area,
+                             wxConstGdkRect       *cell_area,
+#ifndef __WXGTK3__

                              GdkRectangle         *expose_area,
                              GdkRectangle         *expose_area,

+#endif

                              GtkCellRendererState  flags)
 
 {
     GtkWxCellRenderer *wxrenderer = (GtkWxCellRenderer *) renderer;
     wxDataViewCustomRenderer *cell = wxrenderer->cell;
 
                              GtkCellRendererState  flags)
 
 {
     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;
-
-    GdkRectangle rect;
-    gtk_wx_cell_renderer_get_size (renderer, widget, cell_area,
-                                   &rect.x,
-                                   &rect.y,
-                                   &rect.width,
-                                   &rect.height);
-
-    rect.x += cell_area->x;
-    rect.y += cell_area->y;
-    rect.width  -= renderer->xpad * 2;
-    rect.height -= renderer->ypad * 2;
-
-    GdkRectangle dummy;
-    if (gdk_rectangle_intersect (expose_area, &rect, &dummy))
+    wxDataViewCustomRenderer::GTKRenderParams renderParams;
+#ifdef __WXGTK3__
+    renderParams.cr = cr;
+#else
+    renderParams.window = window;
+    renderParams.expose_area = expose_area;
+#endif
+    renderParams.widget = widget;
+    renderParams.background_area = background_area;
+    renderParams.flags = flags;
+    cell->GTKSetRenderParams(&renderParams);
+
+    wxRect rect(wxRectFromGDKRect(cell_area));
+    int xpad, ypad;
+    gtk_cell_renderer_get_padding(renderer, &xpad, &ypad);
+    rect = rect.Deflate(xpad, ypad);
+
+    wxDC* dc = cell->GetDC();
+#ifdef __WXGTK3__
+    wxGraphicsContext* context = dc->GetGraphicsContext();
+    void* nativeContext = NULL;
+    if (context)
+        nativeContext = context->GetNativeContext();
+    if (cr != nativeContext)

     {
     {

-        wxRect renderrect( rect.x, rect.y, rect.width, rect.height );
-        wxWindowDC* dc = (wxWindowDC*) cell->GetDC();
-        wxWindowDCImpl *impl = (wxWindowDCImpl *) dc->GetImpl();
-
-        // Reinitialize wxWindowDC's GDK window if drawing occurs into a different
-        // window such as a DnD drop window.
-        if (window != impl->m_gdkwindow)
-        {
-            impl->Destroy();
-            impl->m_gdkwindow = window;
-            impl->SetUpDC();
-        }
+        cairo_reference(cr);
+        dc->SetGraphicsContext(wxGraphicsContext::CreateFromNative(cr));
+    }
+#else
+    wxWindowDCImpl *impl = (wxWindowDCImpl *) dc->GetImpl();

 
 

-        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 );
+    // Reinitialize wxWindowDC's GDK window if drawing occurs into a different
+    // window such as a DnD drop window.
+    if (window != impl->m_gdkwindow)
+    {
+        impl->Destroy();
+        impl->m_gdkwindow = window;
+        impl->SetUpDC();

     }
     }

+#endif
+
+    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 );
+
+    cell->GTKSetRenderParams(NULL);
+#ifdef __WXGTK3__
+    dc->SetGraphicsContext(NULL);
+#endif

 }
 
 static gboolean
 }
 
 static gboolean


@@ -1279,8 +1497,8 @@ gtk_wx_cell_renderer_activate(
                         GdkEvent                *event,
                         GtkWidget               *widget,
                         const gchar             *path,
                         GdkEvent                *event,
                         GtkWidget               *widget,
                         const gchar             *path,

-                        GdkRectangle            *WXUNUSED(background_area),
-                        GdkRectangle            *cell_area,
+                        wxConstGdkRect          *WXUNUSED(background_area),
+                        wxConstGdkRect          *cell_area,

                         GtkCellRendererState     WXUNUSED(flags) )
 {
     GtkWxCellRenderer *wxrenderer = (GtkWxCellRenderer *) renderer;
                         GtkCellRendererState     WXUNUSED(flags) )
 {
     GtkWxCellRenderer *wxrenderer = (GtkWxCellRenderer *) renderer;


@@ -1295,53 +1513,41 @@ 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;
+    int xpad, ypad;
+    gtk_cell_renderer_get_padding(renderer, &xpad, &ypad);
+    rect.width  -= xpad * 2;
+    rect.height -= ypad * 2;

 
 

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

 
 

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

 
 

-    GtkTreePath *treepath = gtk_tree_path_new_from_string( path );
-
-    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();
 

-    if (!event)
+    if ( !event )

     {
     {

-        bool ret = false;
-

         // activated by <ENTER>
         // activated by <ENTER>

-        if (cell->Activate( renderrect, model, item, model_col ))
-                    ret = true;
-
-        return ret;
+        return cell->ActivateCell(renderrect, model, item, model_col, NULL);

     }
     }

-    else if (event->type == GDK_BUTTON_PRESS)
+    else if ( event->type == GDK_BUTTON_PRESS )

     {
     {

-        GdkEventButton *button_event = (GdkEventButton*) event;
-        wxPoint pt( ((int) button_event->x) - renderrect.x,
-                    ((int) button_event->y) - renderrect.y );
-
-        bool ret = false;
-        if (button_event->button == 1)
+        GdkEventButton *button_event = (GdkEventButton*)event;
+        if ( button_event->button == 1 )

         {
         {

-            if (cell->LeftClick( pt, renderrect, model, item, model_col ))
-                ret = true;
-            // TODO: query system double-click time
-            if (button_event->time - wxrenderer->last_click < 400)
-                if (cell->Activate( renderrect, model, item, model_col ))
-                    ret = true;
-        }
-        wxrenderer->last_click = button_event->time;
+            wxMouseEvent mouse_event(wxEVT_LEFT_DOWN);
+            InitMouseEvent(ctrl, mouse_event, button_event);

 
 

-        return ret;
+            mouse_event.m_x -= renderrect.x;
+            mouse_event.m_y -= renderrect.y;
+
+            return cell->ActivateCell(renderrect, model, item, model_col, &mouse_event);
+        }

     }
 
     }
 

+    wxLogDebug("unexpected event type in gtk_wx_cell_renderer_activate()");

     return false;
 }
 
     return false;
 }
 


@@ -1352,24 +1558,23 @@ 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;

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


@@ -1377,108 +1582,143 @@ 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 parentIter;
+    parentIter.stamp = wxgtk_model->stamp;
+    parentIter.user_data = (gpointer) parent.GetID();
+    wxGtkTreePath parentPath(wxgtk_tree_model_get_path(
+        GTK_TREE_MODEL(wxgtk_model), &parentIter ));
+
+    // and add the final index ourselves
+    wxGtkTreePath path(gtk_tree_path_copy(parentPath));
+    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 );
+
+    // Did we remove the last child, causing 'parent' to become a leaf?
+    if ( !m_wx_model->IsContainer(parent) )
+    {
+        gtk_tree_model_row_has_child_toggled
+        (
+            GTK_TREE_MODEL(wxgtk_model),
+            parentPath,
+            &parentIter
+        );
+    }

 
     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());
 
             GtkTreeViewColumn *gcolumn = GTK_TREE_VIEW_COLUMN(column->GetGtkHandle());
 

-            // Get cell area
-            GtkTreeIter iter;
-            iter.stamp = m_wxgtk_model->stamp;
-            iter.user_data = (gpointer) item.GetID();
-            GtkTreePath *path = wxgtk_tree_model_get_path(
-                GTK_TREE_MODEL(m_wxgtk_model), &iter );
-            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 );
-            int xdiff = (int) d;
-
-            int ydiff = gcolumn->button->allocation.height;
-            // Redraw
-            gtk_widget_queue_draw_area( GTK_WIDGET(widget),
-                cell_area.x - xdiff, ydiff + cell_area.y, cell_area.width, cell_area.height );
+            // Don't attempt to refresh not yet realized tree, it is useless
+            // and results in GTK errors.
+            if ( gtk_widget_get_realized(ctrl->GtkGetTreeView()) )
+            {
+                // Get cell area
+                GtkTreeIter iter;
+                iter.stamp = wxgtk_model->stamp;
+                iter.user_data = (gpointer) item.GetID();
+                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 );
+
+                GtkAdjustment* hadjust = gtk_tree_view_get_hadjustment( widget );
+                double d = gtk_adjustment_get_value( hadjust );
+                int xdiff = (int) d;
+
+                GtkAllocation a;
+                gtk_widget_get_allocation(GTK_WIDGET(gtk_tree_view_column_get_button(gcolumn)), &a);
+                int ydiff = a.height;
+                // Redraw
+                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;
         }


@@ -1487,18 +1727,47 @@ 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 );
+    GtkWxTreeModel *wxgtk_model = m_internal->GetGtkModel();

 
 

-    // this will create a new GTK model
-    m_owner->GtkGetInternal()->Cleared();
+    // There is no call to tell the model that everything
+    // has been deleted so call row_deleted() for every
+    // child of root...

 
 

-    SetGtkModel( m_owner->GtkGetInternal()->GetGtkModel() );
+    int count = m_internal->iter_n_children( NULL ); // number of children of root

 
 

-    gtk_tree_view_set_model( GTK_TREE_VIEW(m_owner->m_treeview), GTK_TREE_MODEL(m_wxgtk_model) );
+    GtkTreePath *path = gtk_tree_path_new_first();  // points to root

 
 

-    return false;
+    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;

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


@@ -1533,17 +1802,13 @@ wxgtk_renderer_editing_started( GtkCellRenderer *WXUNUSED(cell), GtkCellEditable
     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_EDITING_STARTED, dv->GetId() );
     event.SetDataViewColumn( column );
     event.SetModel( dv->GetModel() );
     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),


@@ -1560,18 +1825,29 @@ 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()
 {
 void wxDataViewRenderer::GtkInitHandlers()
 {

+#ifndef __WXGTK3__

     if (!gtk_check_version(2,6,0))
     if (!gtk_check_version(2,6,0))

+#endif

     {
         g_signal_connect (GTK_CELL_RENDERER(m_renderer), "editing_started",
     {
         g_signal_connect (GTK_CELL_RENDERER(m_renderer), "editing_started",

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

     }
 }
 
     }
 }
 


@@ -1597,6 +1873,8 @@ void wxDataViewRenderer::SetMode( wxDataViewCellMode mode )
             return;
     }
 
             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() );


@@ -1636,7 +1914,7 @@ wxDataViewCellMode wxDataViewRenderer::GetMode() const
     return ret;
 }
 
     return ret;
 }
 

-void wxDataViewRenderer::GtkUpdateAlignment()
+void wxDataViewRenderer::GtkApplyAlignment(GtkCellRenderer *renderer)

 {
     int align = m_alignment;
 
 {
     int align = m_alignment;
 


@@ -1662,7 +1940,7 @@ void wxDataViewRenderer::GtkUpdateAlignment()
     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:


@@ -1676,7 +1954,7 @@ void wxDataViewRenderer::GtkUpdateAlignment()
     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 );
 }
 


@@ -1691,39 +1969,191 @@ int wxDataViewRenderer::GetAlignment() const
     return m_alignment;
 }
 
     return m_alignment;
 }
 

-// ---------------------------------------------------------
-// wxDataViewTextRenderer
-// ---------------------------------------------------------
-
-extern "C" {
-static void wxGtkTextRendererEditedCallback( GtkCellRendererText *renderer,
-    gchar *arg1, gchar *arg2, gpointer user_data );
-}
-
-static void wxGtkTextRendererEditedCallback( GtkCellRendererText *WXUNUSED(renderer),
-    gchar *arg1, gchar *arg2, gpointer user_data )
+void wxDataViewRenderer::EnableEllipsize(wxEllipsizeMode mode)

 {
 {

-    wxDataViewRenderer *cell = (wxDataViewRenderer*) user_data;
-
-    wxString tmp = wxGTK_CONV_BACK_FONT(arg2, cell->GetOwner()->GetOwner()->GetFont());
-    wxVariant value = tmp;
-    if (!cell->Validate( value ))
+#ifdef __WXGTK26__
+#ifndef __WXGTK3__
+    if ( gtk_check_version(2, 6, 0) != NULL )

         return;
         return;

+#endif

 
 

-    wxDataViewModel *model = cell->GetOwner()->GetOwner()->GetModel();
+    GtkCellRendererText * const rend = GtkGetTextRenderer();
+    if ( !rend )
+        return;

 
 

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

 
 

-    unsigned int model_col = cell->GetOwner()->GetModelColumn();
+wxEllipsizeMode wxDataViewRenderer::GetEllipsizeMode() const
+{
+#ifdef __WXGTK26__
+#ifndef __WXGTK3__
+    if ( gtk_check_version(2, 6, 0) != NULL )
+        return wxELLIPSIZE_NONE;
+#endif
+
+    GtkCellRendererText * const rend = GtkGetTextRenderer();
+    if ( !rend )
+        return wxELLIPSIZE_NONE;
+
+    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 );
+
+    return mode;
+#else // GTK < 2.6
+    return wxELLIPSIZE_NONE;
+#endif // GTK 2.6/before
+}
+
+void
+wxDataViewRenderer::GtkOnTextEdited(const char *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
+// ---------------------------------------------------------
+
+extern "C"
+{
+
+static void wxGtkTextRendererEditedCallback( GtkCellRendererText *WXUNUSED(renderer),
+    gchar *arg1, gchar *arg2, gpointer user_data )
+{
+    wxDataViewRenderer *cell = (wxDataViewRenderer*) user_data;
+
+    cell->GtkOnTextEdited(arg1, wxGTK_CONV_BACK_FONT(
+                arg2, cell->GetOwner()->GetOwner()->GetFont()));
+}
+
+}
+
+namespace
+{
+
+// 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 );
+    }
+
+    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();

 
 

-    model->SetValue( value, item, model_col );
-    model->ValueChanged( item, model_col );
+        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,
 IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewRenderer)
 
 wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype, wxDataViewCellMode mode,


@@ -1751,29 +2181,25 @@ 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 ), 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;
 }
 


@@ -1781,8 +2207,10 @@ void wxDataViewTextRenderer::SetAlignment( int align )
 {
     wxDataViewRenderer::SetAlignment(align);
 
 {
     wxDataViewRenderer::SetAlignment(align);
 

+#ifndef __WXGTK3__

     if (gtk_check_version(2,10,0))
         return;
     if (gtk_check_version(2,10,0))
         return;

+#endif

 
     // horizontal alignment:
     PangoAlignment pangoAlign = PANGO_ALIGN_LEFT;
 
     // horizontal alignment:
     PangoAlignment pangoAlign = PANGO_ALIGN_LEFT;


@@ -1798,29 +2226,42 @@ 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);


@@ -1833,38 +2274,23 @@ 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


@@ -1890,27 +2316,21 @@ static void wxGtkToggleRendererToggledCallback( GtkCellRendererToggle *renderer,
     GValue gvalue = { 0, };
     g_value_init( &gvalue, G_TYPE_BOOLEAN );
     g_object_get_property( G_OBJECT(renderer), "active", &gvalue );
     GValue gvalue = { 0, };
     g_value_init( &gvalue, G_TYPE_BOOLEAN );
     g_object_get_property( G_OBJECT(renderer), "active", &gvalue );

-    bool tmp = g_value_get_boolean( &gvalue );
-    g_value_unset( &gvalue );

     // invert it
     // invert it

-    tmp = !tmp;
+    wxVariant value = !g_value_get_boolean( &gvalue );
+    g_value_unset( &gvalue );

 
 

-    wxVariant value = tmp;

     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)


@@ -1957,11 +2377,9 @@ bool wxDataViewToggleRenderer::GetValue( wxVariant &value ) const
     GValue gvalue = { 0, };
     g_value_init( &gvalue, G_TYPE_BOOLEAN );
     g_object_get_property( G_OBJECT(m_renderer), "active", &gvalue );
     GValue gvalue = { 0, };
     g_value_init( &gvalue, G_TYPE_BOOLEAN );
     g_object_get_property( G_OBJECT(m_renderer), "active", &gvalue );

-    bool tmp = g_value_get_boolean( &gvalue );
+    value = g_value_get_boolean( &gvalue ) != 0;

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

-    value = tmp;
-

     return true;
 }
 
     return true;
 }
 


@@ -1969,6 +2387,7 @@ bool wxDataViewToggleRenderer::GetValue( wxVariant &value ) const
 // wxDataViewCustomRenderer
 // ---------------------------------------------------------
 
 // wxDataViewCustomRenderer
 // ---------------------------------------------------------
 

+#ifndef __WXGTK3__

 class wxDataViewCtrlDCImpl: public wxWindowDCImpl
 {
 public:
 class wxDataViewCtrlDCImpl: public wxWindowDCImpl
 {
 public:


@@ -1983,7 +2402,7 @@ public:
 
         m_context = window->GTKGetPangoDefaultContext();
         m_layout = pango_layout_new( m_context );
 
         m_context = window->GTKGetPangoDefaultContext();
         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 );
 


@@ -1999,7 +2418,7 @@ public:
         wxWindowDC( new wxDataViewCtrlDCImpl( this, window ) )
         { }
 };
         wxWindowDC( new wxDataViewCtrlDCImpl( this, window ) )
         { }
 };

-
+#endif

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


@@ -2008,12 +2427,14 @@ 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;

+    m_renderParams = NULL;

 
     if (no_init)
         m_renderer = NULL;
 
     if (no_init)
         m_renderer = NULL;


@@ -2021,40 +2442,60 @@ wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
         Init(mode, align);
 }
 
         Init(mode, align);
 }
 

-void wxDataViewCustomRenderer::RenderText( const wxString &text, int xoffset,
-                                           wxRect WXUNUSED(cell), wxDC *WXUNUSED(dc), int WXUNUSED(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;
+    gtk_cell_renderer_render( GTK_CELL_RENDERER(textRenderer),
+#ifdef __WXGTK3__
+        m_renderParams->cr,
+#else
+        m_renderParams->window,
+#endif
+        m_renderParams->widget,
+        m_renderParams->background_area,
+        &cell_area,
+#ifndef __WXGTK3__
+        m_renderParams->expose_area,

 #endif
 #endif

+        GtkCellRendererState(m_renderParams->flags));

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


@@ -2078,18 +2519,25 @@ 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()
 {
     if (m_dc == NULL)
     {
 }
 
 wxDC *wxDataViewCustomRenderer::GetDC()
 {
     if (m_dc == NULL)
     {

+#ifdef __WXGTK3__
+        wxASSERT(m_renderParams);
+        cairo_t* cr = m_renderParams->cr;
+        wxASSERT(cr && cairo_status(cr) == 0);
+        m_dc = new wxGTKCairoDC(cr);
+#else

         if (GetOwner() == NULL)
             return NULL;
         if (GetOwner()->GetOwner() == NULL)
             return NULL;
         m_dc = new wxDataViewCtrlDC( GetOwner()->GetOwner() );
         if (GetOwner() == NULL)
             return NULL;
         if (GetOwner()->GetOwner() == NULL)
             return NULL;
         m_dc = new wxDataViewCtrlDC( GetOwner()->GetOwner() );

+#endif

     }
 
     return m_dc;
     }
 
     return m_dc;


@@ -2109,19 +2557,24 @@ wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
     m_value = 0;
 
 #ifdef __WXGTK26__
     m_value = 0;
 
 #ifdef __WXGTK26__

-    if (!gtk_check_version(2,6,0))
+    if (GTK_CHECK_VERSION(3,0,0) || gtk_check_version(2,6,0) == NULL)

     {
         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


@@ -2135,11 +2588,38 @@ 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.
+    wxScopedCharBuffer buf;
+    if ( m_label.empty() )
+        buf = wxScopedCharBuffer::CreateNonOwned("");
+    else
+        buf = wxGTK_CONV_FONT(m_label, GetOwner()->GetOwner()->GetFont());
+
+    g_value_set_string( &gvalue, buf);
+    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__
 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
 {
 #ifdef __WXGTK26__

-    if (!gtk_check_version(2,6,0))
+    if (GTK_CHECK_VERSION(3,0,0) || gtk_check_version(2,6,0) == NULL)

     {
     {

+#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 );


@@ -2196,7 +2676,7 @@ wxDataViewChoiceRenderer::wxDataViewChoiceRenderer( const wxArrayString &choices
    m_choices = choices;
 
 #ifdef __WXGTK26__
    m_choices = choices;
 
 #ifdef __WXGTK26__

-    if (!gtk_check_version(2,6,0))
+    if (GTK_CHECK_VERSION(3,0,0) || gtk_check_version(2,6,0) == NULL)

     {
         m_renderer = (GtkCellRenderer*) gtk_cell_renderer_combo_new();
 
     {
         m_renderer = (GtkCellRenderer*) gtk_cell_renderer_combo_new();
 


@@ -2214,7 +2694,7 @@ wxDataViewChoiceRenderer::wxDataViewChoiceRenderer( const wxArrayString &choices
                 "has-entry", FALSE,
                 NULL);
 
                 "has-entry", FALSE,
                 NULL);
 

-        bool editable = (mode & wxDATAVIEW_CELL_EDITABLE);
+        bool editable = (mode & wxDATAVIEW_CELL_EDITABLE) != 0;

         g_object_set (m_renderer, "editable", editable, NULL);
 
         SetAlignment(alignment);
         g_object_set (m_renderer, "editable", editable, NULL);
 
         SetAlignment(alignment);


@@ -2246,11 +2726,13 @@ bool wxDataViewChoiceRenderer::SetValue( const wxVariant &value )
 {
 
 #ifdef __WXGTK26__
 {
 
 #ifdef __WXGTK26__

-    if (!gtk_check_version(2,6,0))
+    if (GTK_CHECK_VERSION(3,0,0) || gtk_check_version(2,6,0) == NULL)

     {
         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( value.GetString(), GetOwner()->GetOwner()->GetFont() ) );
+        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 );
     }
         g_object_set_property( G_OBJECT(m_renderer), "text", &gvalue );
         g_value_unset( &gvalue );
     }


@@ -2264,13 +2746,13 @@ bool wxDataViewChoiceRenderer::SetValue( const wxVariant &value )
 bool wxDataViewChoiceRenderer::GetValue( wxVariant &value ) const
 {
 #ifdef __WXGTK26__
 bool wxDataViewChoiceRenderer::GetValue( wxVariant &value ) const
 {
 #ifdef __WXGTK26__

-    if (!gtk_check_version(2,6,0))
+    if (GTK_CHECK_VERSION(3,0,0) || gtk_check_version(2,6,0) == NULL)

     {
         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 temp = wxGTK_CONV_BACK_FONT( g_value_get_string( &gvalue ),
-                const_cast<wxDataViewChoiceRenderer*>(this)->GetOwner()->GetOwner()->GetFont() );
+        wxString temp = wxGTK_CONV_BACK_FONT(g_value_get_string(&gvalue),
+                                             GetOwner()->GetOwner()->GetFont());

         g_value_unset( &gvalue );
         value = temp;
 
         g_value_unset( &gvalue );
         value = temp;
 


@@ -2288,8 +2770,10 @@ void wxDataViewChoiceRenderer::SetAlignment( int align )
 {
     wxDataViewCustomRenderer::SetAlignment(align);
 
 {
     wxDataViewCustomRenderer::SetAlignment(align);
 

+#ifndef __WXGTK3__

     if (gtk_check_version(2,10,0))
         return;
     if (gtk_check_version(2,10,0))
         return;

+#endif

 
     // horizontal alignment:
     PangoAlignment pangoAlign = PANGO_ALIGN_LEFT;
 
     // horizontal alignment:
     PangoAlignment pangoAlign = PANGO_ALIGN_LEFT;


@@ -2305,178 +2789,110 @@ void wxDataViewChoiceRenderer::SetAlignment( int align )
     g_value_unset( &gvalue );
 }
 
     g_value_unset( &gvalue );
 }
 

-// ---------------------------------------------------------
-// wxDataViewDateRenderer
-// ---------------------------------------------------------
+// ----------------------------------------------------------------------------
+// wxDataViewChoiceByIndexRenderer
+// ----------------------------------------------------------------------------

 
 

-class wxDataViewDateRendererPopupTransient: public wxPopupTransientWindow
+wxDataViewChoiceByIndexRenderer::wxDataViewChoiceByIndexRenderer( const wxArrayString &choices,
+                              wxDataViewCellMode mode, int alignment ) :
+      wxDataViewChoiceRenderer( choices, mode, alignment )

 {
 {

-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_col = col;
-        m_cal = new wxCalendarCtrl( this, -1, *value );
-        wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL );
-        sizer->Add( m_cal, 1, wxGROW );
-        SetSizer( sizer );
-        sizer->Fit( this );
-    }
-
-    virtual void OnDismiss()
-    {
-    }
-
-    void OnCalendar( wxCalendarEvent &event );
-
-    wxCalendarCtrl   *m_cal;
-    wxDataViewModel  *m_model;
-    wxDataViewItem    m_item;
-    unsigned int      m_col;
-
-private:
-    DECLARE_EVENT_TABLE()
-};
-
-BEGIN_EVENT_TABLE(wxDataViewDateRendererPopupTransient,wxPopupTransientWindow)
-    EVT_CALENDAR( -1, wxDataViewDateRendererPopupTransient::OnCalendar )
-END_EVENT_TABLE()
-
-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 );
-    DismissAndNotify();
-}
-
-IMPLEMENT_CLASS(wxDataViewDateRenderer, wxDataViewCustomRenderer)
-
-wxDataViewDateRenderer::wxDataViewDateRenderer( const wxString &varianttype,
-                        wxDataViewCellMode mode, int align ) :
-    wxDataViewCustomRenderer( varianttype, mode, align )
-{
-    SetMode(mode);
-    SetAlignment(align);

 }
 
 }
 

-bool wxDataViewDateRenderer::SetValue( const wxVariant &value )
+void wxDataViewChoiceByIndexRenderer::GtkOnTextEdited(const char *itempath, const wxString& str)

 {
 {

-    m_date = value.GetDateTime();
+    wxVariant value( (long) GetChoices().Index( str ) );

 
 

-    return true;
-}
+    if (!Validate( value ))
+        return;

 
 

-bool wxDataViewDateRenderer::GetValue( wxVariant &WXUNUSED(value) ) const
-{
-    return false;
-}
+    wxDataViewItem
+        item(GetOwner()->GetOwner()->GTKPathToItem(wxGtkTreePath(itempath)));

 
 

-bool wxDataViewDateRenderer::Render( wxRect cell, wxDC *dc, int state )
-{
-    dc->SetFont( GetOwner()->GetOwner()->GetFont() );
-    wxString tmp = m_date.FormatDate();
-    RenderText( tmp, 0, cell, dc, state );
-    return true;
+    GtkOnCellChanged(value, item, GetOwner()->GetModelColumn());

 }
 
 }
 

-wxSize wxDataViewDateRenderer::GetSize() const
+bool wxDataViewChoiceByIndexRenderer::SetValue( const wxVariant &value )

 {
 {

-    wxString tmp = m_date.FormatDate();
-    wxCoord x,y,d;
-    GetView()->GetTextExtent( tmp, &x, &y, &d );
-    return wxSize(x,y+d);
+    wxVariant string_value = GetChoice( value.GetLong() );
+    return wxDataViewChoiceRenderer::SetValue( string_value );

 }
 
 }
 

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

 {
 {

-    wxVariant variant;
-    model->GetValue( variant, item, col );
-    wxDateTime value = variant.GetDateTime();
-
-    wxDataViewDateRendererPopupTransient *popup = new wxDataViewDateRendererPopupTransient(
-        GetOwner()->GetOwner()->GetParent(), &value, model, item, col );
-    wxPoint pos = wxGetMousePosition();
-    popup->Move( pos );
-    popup->Layout();
-    popup->Popup( popup->m_cal );
+    wxVariant string_value;
+    if (!wxDataViewChoiceRenderer::GetValue( string_value ))
+         return false;

 
 

+    value = (long) GetChoices().Index( string_value.GetString() );

     return true;
 }
 
     return true;
 }
 

-

 // ---------------------------------------------------------
 // wxDataViewIconTextRenderer
 // ---------------------------------------------------------
 
 IMPLEMENT_CLASS(wxDataViewIconTextRenderer, wxDataViewCustomRenderer)
 
 // ---------------------------------------------------------
 // wxDataViewIconTextRenderer
 // ---------------------------------------------------------
 
 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 &WXUNUSED(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());
+
+    const wxIcon& icon = m_value.GetIcon();
+    SetPixbufProp(m_rendererIcon, icon.IsOk() ? icon.GetPixbuf() : NULL);

 
     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 *WXUNUSED(parent), wxRect WXUNUSED(labelRect), const wxVariant &WXUNUSED(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* WXUNUSED(editor), wxVariant &WXUNUSED(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);

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


@@ -2517,14 +2933,8 @@ gtk_dataview_header_button_press_callback( GtkWidget *WXUNUSED(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 *WXUNUSED(column),
                             GtkCellRenderer *renderer,
 
 static void wxGtkTreeCellDataFunc( GtkTreeViewColumn *WXUNUSED(column),
                             GtkCellRenderer *renderer,


@@ -2543,148 +2953,76 @@ static void wxGtkTreeCellDataFunc( GtkTreeViewColumn *WXUNUSED(column),
 
     if (!wx_model->IsVirtualListModel())
     {
 
     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;
+    // deal with disabled items
+    bool enabled = wx_model->IsEnabled( item, cell->GetOwner()->GetModelColumn() );

 
 

-        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;
-            }
-        }
-
-        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 );
-        }
-
-        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 );
-        }
+    // 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 (!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 );
-        }
-    }
+    // b) this actually disables the control/renderer
+    if (enabled)
+        cell->SetMode( cell->GtkGetMode() );
+    else
+        cell->SetMode( wxDATAVIEW_CELL_INERT );
+        

 
 

-#if 0
-    if (attr.HasBackgroundColour())
-    {
-        wxColour colour = attr.GetBackgroundColour();
-        const GdkColor * const gcol = colour.GetColor();
+    // 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;

 
 

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

     {
     {

-        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 );
+        bool usingDefaultAttrs = !cell->GtkSetAttr(attr);
+        cell->GtkSetUsingDefaultAttrs(usingDefaultAttrs);

     }
     }

-#endif
-
+    // else: no custom attributes specified and we're already using the default
+    //       ones -- nothing to do
+    

 }
 
 }
 

+} // extern "C"
+

 #include <wx/listimpl.cpp>
 WX_DEFINE_LIST(wxDataViewColumnList)
 
 #include <wx/listimpl.cpp>
 WX_DEFINE_LIST(wxDataViewColumnList)
 


@@ -2712,7 +3050,6 @@ 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;
 
     GtkTreeViewColumn *column = gtk_tree_view_column_new();
     m_column = (GtkWidget*) column;
 


@@ -2731,10 +3068,13 @@ void wxDataViewColumn::Init(wxAlignment align, int flags, int width)
     gtk_box_pack_end( GTK_BOX(box), GTK_WIDGET(m_label), FALSE, FALSE, 1 );
     gtk_tree_view_column_set_widget( column, box );
 
     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();
+
+    colRenderer->GtkPackIntoColumn(column);

 
 

-    gtk_tree_view_column_set_cell_data_func( column, renderer,
-        wxGtkTreeCellDataFunc, (gpointer) GetRenderer(), NULL );
+    gtk_tree_view_column_set_cell_data_func( column, cellRenderer,
+        wxGtkTreeCellDataFunc, (gpointer) colRenderer, NULL );

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


@@ -2742,14 +3082,18 @@ 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);
     {
         GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);

-        if (column->button)
+        GtkWidget* button = gtk_tree_view_column_get_button(column);
+        if (button)

         {
         {

-            g_signal_connect(column->button, "button_press_event",
+            g_signal_connect(button, "button_press_event",

                       G_CALLBACK (gtk_dataview_header_button_press_callback), this);
 
                       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;
         }
     }


@@ -2787,24 +3131,11 @@ void wxDataViewColumn::SetBitmap( const wxBitmap &bitmap )
 {
     wxDataViewColumnBase::SetBitmap( bitmap );
 
 {
     wxDataViewColumnBase::SetBitmap( bitmap );
 

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

     {
         GtkImage *gtk_image = GTK_IMAGE(m_image);
 
     {
         GtkImage *gtk_image = GTK_IMAGE(m_image);
 

-        GdkBitmap *mask = NULL;
-        if (bitmap.GetMask())
-            mask = bitmap.GetMask()->GetBitmap();
-
-        if (bitmap.HasPixbuf())
-        {
-            gtk_image_set_from_pixbuf(GTK_IMAGE(gtk_image),
-                                      bitmap.GetPixbuf());
-        }
-        else
-        {
-            gtk_image_set_from_pixmap(GTK_IMAGE(gtk_image),
-                                      bitmap.GetPixmap(), mask);
-        }
+        gtk_image_set_from_pixbuf(GTK_IMAGE(gtk_image), bitmap.GetPixbuf());

         gtk_widget_show( m_image );
     }
     else
         gtk_widget_show( m_image );
     }
     else


@@ -2818,9 +3149,9 @@ 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 )


@@ -2871,27 +3202,19 @@ void wxDataViewColumn::SetSortable( bool sortable )
 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_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" );
+    return gtk_tree_view_column_get_clickable( column ) != 0;

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

-    return gtk_tree_view_column_get_sort_indicator( column );
+    return gtk_tree_view_column_get_sort_indicator( column ) != 0;

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

-    return gtk_tree_view_column_get_resizable( column );
+    return gtk_tree_view_column_get_resizable( column ) != 0;

 }
 
 bool wxDataViewColumn::IsHidden() const
 }
 
 bool wxDataViewColumn::IsHidden() const


@@ -2936,23 +3259,20 @@ int wxDataViewColumn::GetWidth() const
 
 void wxDataViewColumn::SetWidth( int width )
 {
 
 void wxDataViewColumn::SetWidth( int width )
 {

-    if (width < 0)
+    if ( width == wxCOL_WIDTH_AUTOSIZE )

     {
     {

-#if 1
-        gtk_tree_view_column_set_sizing( GTK_TREE_VIEW_COLUMN(m_column), GTK_TREE_VIEW_COLUMN_FIXED );
-
-        // TODO find a better calculation
-        gtk_tree_view_column_set_fixed_width( GTK_TREE_VIEW_COLUMN(m_column), wxDVC_DEFAULT_WIDTH );
-#else
-        // this is unpractical for large numbers of items and disables
-        // user resizing, which is totally unexpected
+        // NB: this disables user resizing

         gtk_tree_view_column_set_sizing( GTK_TREE_VIEW_COLUMN(m_column), GTK_TREE_VIEW_COLUMN_AUTOSIZE );
         gtk_tree_view_column_set_sizing( GTK_TREE_VIEW_COLUMN(m_column), GTK_TREE_VIEW_COLUMN_AUTOSIZE );

-#endif

     }
     else
     {
     }
     else
     {

-        gtk_tree_view_column_set_sizing( GTK_TREE_VIEW_COLUMN(m_column), GTK_TREE_VIEW_COLUMN_FIXED );
+        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 );
     }
 }
         gtk_tree_view_column_set_fixed_width( GTK_TREE_VIEW_COLUMN(m_column), width );
     }
 }


@@ -2964,7 +3284,7 @@ void wxDataViewColumn::SetReorderable( bool reorderable )
 
 bool wxDataViewColumn::IsReorderable() const
 {
 
 bool wxDataViewColumn::IsReorderable() const
 {

-    return gtk_tree_view_column_get_reorderable( GTK_TREE_VIEW_COLUMN(m_column) );
+    return gtk_tree_view_column_get_reorderable( GTK_TREE_VIEW_COLUMN(m_column) ) != 0;

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


@@ -2994,7 +3314,7 @@ int wxGtkTreeModelChildWithPosCmp( const void* data1, const void* data2, const v
 static
 int LINKAGEMODE wxGtkTreeModelChildPtrCmp( void*** data1, void*** data2 )
 {
 static
 int LINKAGEMODE wxGtkTreeModelChildPtrCmp( void*** data1, void*** data2 )
 {

-    return gs_internal->GetDataViewModel()->Compare( **data1, **data2,
+    return gs_internal->GetDataViewModel()->Compare( wxDataViewItem(**data1), wxDataViewItem(**data2),

         gs_internal->GetSortColumn(), (gs_internal->GetSortOrder() == GTK_SORT_ASCENDING) );
 }
 
         gs_internal->GetSortColumn(), (gs_internal->GetSortOrder() == GTK_SORT_ASCENDING) );
 }
 


@@ -3031,10 +3351,10 @@ void wxGtkTreeModelNode::Resort()
     // Sort the ptrs
     gs_internal = m_internal;
     ptrs.Sort( &wxGtkTreeModelChildPtrCmp );
     // Sort the ptrs
     gs_internal = m_internal;
     ptrs.Sort( &wxGtkTreeModelChildPtrCmp );

- 
+

     wxGtkTreeModelChildren temp;
     void** base_ptr = &(m_children[0]);
     wxGtkTreeModelChildren temp;
     void** base_ptr = &(m_children[0]);

-    // Transfer positions to new_order array and 
+    // Transfer positions to new_order array and

     // IDs to temp
     for (i = 0; i < child_count; i++)
     {
     // IDs to temp
     for (i = 0; i < child_count; i++)
     {


@@ -3074,13 +3394,13 @@ void wxGtkTreeModelNode::Resort()
 
 #if 0
     // Too slow
 
 #if 0
     // Too slow

-    
+

     wxGtkTreeModelChildren temp;
     WX_APPEND_ARRAY( temp, m_children );
 
     gs_internal = m_internal;
     m_children.Sort( &wxGtkTreeModelChildCmp );
     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++)
     {


@@ -3096,14 +3416,11 @@ 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++)
     {
     unsigned int pos;
     for (pos = 0; pos < node_count; pos++)
     {


@@ -3116,12 +3433,12 @@ 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_root = NULL;
     m_sort_order = GTK_SORT_ASCENDING;
     m_sort_column = -1;


@@ -3130,18 +3447,51 @@ wxDataViewCtrlInternal::wxDataViewCtrlInternal( wxDataViewCtrl *owner,
     m_dragDataObject = NULL;
     m_dropDataObject = NULL;
 
     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();
     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()
 {
 }
 
 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;
 }
 
     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;
 void wxDataViewCtrlInternal::InitTree()
 {
     wxDataViewItem item;


@@ -3156,6 +3506,7 @@ void wxDataViewCtrlInternal::BuildBranch( wxGtkTreeModelNode *node )
     {
         wxDataViewItemArray children;
         unsigned int count = m_wx_model->GetChildren( node->GetItem(), children );
     {
         wxDataViewItemArray children;
         unsigned int count = m_wx_model->GetChildren( node->GetItem(), children );

+

         unsigned int pos;
         for (pos = 0; pos < count; pos++)
         {
         unsigned int pos;
         for (pos = 0; pos < count; pos++)
         {


@@ -3164,7 +3515,7 @@ void wxDataViewCtrlInternal::BuildBranch( wxGtkTreeModelNode *node )
             if (m_wx_model->IsContainer( child ))
                 node->AddNode( new wxGtkTreeModelNode( node, child, this ) );
             else
             if (m_wx_model->IsContainer( child ))
                 node->AddNode( new wxGtkTreeModelNode( node, child, this ) );
             else

-                node->AddLeave( child.GetID() );
+                node->AddLeaf( child.GetID() );

 
             // Don't send any events here
         }
 
             // Don't send any events here
         }


@@ -3207,15 +3558,19 @@ gboolean wxDataViewCtrlInternal::row_draggable( GtkTreeDragSource *WXUNUSED(drag
     GtkTreePath *path )
 {
     delete m_dragDataObject;
     GtkTreePath *path )
 {
     delete m_dragDataObject;

+    m_dragDataObject = NULL;

 
 

-    GtkTreeIter iter;
-    if (!get_iter( &iter, path )) return FALSE;
-    wxDataViewItem item( (void*) iter.user_data );
+    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 );
 
     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 (!m_owner->HandleWindowEvent( event ))
         return FALSE;
 


@@ -3241,25 +3596,26 @@ wxDataViewCtrlInternal::drag_data_delete(GtkTreeDragSource *WXUNUSED(drag_source
 gboolean wxDataViewCtrlInternal::drag_data_get( GtkTreeDragSource *WXUNUSED(drag_source),
     GtkTreePath *path, GtkSelectionData *selection_data )
 {
 gboolean wxDataViewCtrlInternal::drag_data_get( GtkTreeDragSource *WXUNUSED(drag_source),
     GtkTreePath *path, GtkSelectionData *selection_data )
 {

-    GtkTreeIter iter;
-    if (!get_iter( &iter, path )) return FALSE;
-    wxDataViewItem item( (void*) iter.user_data );
+    wxDataViewItem item(GetOwner()->GTKPathToItem(path));
+    if ( !item )
+        return FALSE;

 
 

-    if (!m_dragDataObject->IsSupported( selection_data->target ))
+    GdkAtom target = gtk_selection_data_get_target(selection_data);
+    if (!m_dragDataObject->IsSupported(target))

         return FALSE;
 
         return FALSE;
 

-    size_t size = m_dragDataObject->GetDataSize( selection_data->target );
+    size_t size = m_dragDataObject->GetDataSize(target);

     if (size == 0)
         return FALSE;
 
     void *buf = malloc( size );
 
     gboolean res = FALSE;
     if (size == 0)
         return FALSE;
 
     void *buf = malloc( size );
 
     gboolean res = FALSE;

-    if (m_dragDataObject->GetDataHere( selection_data->target, buf ))
+    if (m_dragDataObject->GetDataHere(target, buf))

     {
         res = TRUE;
 
     {
         res = TRUE;
 

-        gtk_selection_data_set( selection_data, selection_data->target,
+        gtk_selection_data_set(selection_data, target,

             8, (const guchar*) buf, size );
     }
 
             8, (const guchar*) buf, size );
     }
 


@@ -3273,17 +3629,17 @@ wxDataViewCtrlInternal::drag_data_received(GtkTreeDragDest *WXUNUSED(drag_dest),
                                            GtkTreePath *path,
                                            GtkSelectionData *selection_data)
 {
                                            GtkTreePath *path,
                                            GtkSelectionData *selection_data)
 {

-    GtkTreeIter iter;
-    if (!get_iter( &iter, path )) return FALSE;
-    wxDataViewItem item( (void*) iter.user_data );
+    wxDataViewItem item(GetOwner()->GTKPathToItem(path));
+    if ( !item )
+        return FALSE;

 
     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, m_owner->GetId() );
     event.SetEventObject( m_owner );
     event.SetItem( item );
     event.SetModel( m_wx_model );
 
     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP, m_owner->GetId() );
     event.SetEventObject( m_owner );
     event.SetItem( item );
     event.SetModel( m_wx_model );

-    event.SetDataFormat( selection_data->target );
-    event.SetDataSize( selection_data->length );
-    event.SetDataBuffer( selection_data->data );
+    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;
 
     if (!m_owner->HandleWindowEvent( event ))
         return FALSE;
 


@@ -3298,15 +3654,16 @@ wxDataViewCtrlInternal::row_drop_possible(GtkTreeDragDest *WXUNUSED(drag_dest),
                                           GtkTreePath *path,
                                           GtkSelectionData *selection_data)
 {
                                           GtkTreePath *path,
                                           GtkSelectionData *selection_data)
 {

-    GtkTreeIter iter;
-    if (!get_iter( &iter, path )) return FALSE;
-    wxDataViewItem item( (void*) iter.user_data );
+    wxDataViewItem item(GetOwner()->GTKPathToItem(path));
+    if ( !item )
+        return FALSE;

 
     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_DROP_POSSIBLE, m_owner->GetId() );
     event.SetEventObject( m_owner );
     event.SetItem( item );
     event.SetModel( m_wx_model );
 
     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( selection_data->target );
+    event.SetDataFormat(gtk_selection_data_get_target(selection_data));
+    event.SetDataSize(gtk_selection_data_get_length(selection_data));

     if (!m_owner->HandleWindowEvent( event ))
         return FALSE;
 
     if (!m_owner->HandleWindowEvent( event ))
         return FALSE;
 


@@ -3323,13 +3680,12 @@ bool wxDataViewCtrlInternal::Cleared()
     if (m_root)
     {
         delete m_root;
     if (m_root)
     {
         delete m_root;

-        InitTree();
+        m_root = NULL;

     }
 
     }
 

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

 
     return true;
 }
 
     return true;
 }


@@ -3338,6 +3694,8 @@ void wxDataViewCtrlInternal::Resort()
 {
     if (!m_wx_model->IsVirtualListModel())
         m_root->Resort();
 {
     if (!m_wx_model->IsVirtualListModel())
         m_root->Resort();

+
+    ScheduleRefresh();

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


@@ -3345,15 +3703,63 @@ bool wxDataViewCtrlInternal::ItemAdded( const wxDataViewItem &parent, const wxDa
     if (!m_wx_model->IsVirtualListModel())
     {
         wxGtkTreeModelNode *parent_node = FindNode( parent );
     if (!m_wx_model->IsVirtualListModel())
     {
         wxGtkTreeModelNode *parent_node = FindNode( parent );

-        wxASSERT_MSG(parent_node,
+        wxCHECK_MSG(parent_node, false,

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

+        wxDataViewItemArray modelSiblings;
+        m_wx_model->GetChildren(parent, modelSiblings);
+        const int modelSiblingsSize = modelSiblings.size();
+
+        int posInModel = modelSiblings.Index(item, /*fromEnd=*/true);
+        wxCHECK_MSG( posInModel != wxNOT_FOUND, false, "adding non-existent item?" );
+
+        const wxGtkTreeModelChildren& nodeSiblings = parent_node->GetChildren();
+        const int nodeSiblingsSize = nodeSiblings.size();
+
+        int nodePos = 0;
+
+        if ( posInModel == modelSiblingsSize - 1 )
+        {
+            nodePos = nodeSiblingsSize;
+        }
+        else if ( modelSiblingsSize == nodeSiblingsSize + 1 )
+        {
+            // This is the simple case when our node tree already matches the
+            // model and only this one item is missing.
+            nodePos = posInModel;
+        }
+        else
+        {
+            // It's possible that a larger discrepancy between the model and
+            // our realization exists. This can happen e.g. when adding a bunch
+            // of items to the model and then calling ItemsAdded() just once
+            // afterwards. In this case, we must find the right position by
+            // looking at sibling items.
+
+            // append to the end if we won't find a better position:
+            nodePos = nodeSiblingsSize;
+
+            for ( int nextItemPos = posInModel + 1;
+                  nextItemPos < modelSiblingsSize;
+                  nextItemPos++ )
+            {
+                int nextNodePos = parent_node->FindChildByItem(modelSiblings[nextItemPos]);
+                if ( nextNodePos != wxNOT_FOUND )
+                {
+                    nodePos = nextNodePos;
+                    break;
+                }
+            }
+        }
+

         if (m_wx_model->IsContainer( item ))
         if (m_wx_model->IsContainer( item ))

-            parent_node->AddNode( new wxGtkTreeModelNode( parent_node, item, this ) );
+            parent_node->InsertNode( new wxGtkTreeModelNode( parent_node, item, this ), nodePos );

         else
         else

-            parent_node->AddLeave( item.GetID() );
+            parent_node->InsertLeaf( item.GetID(), nodePos );

     }
 
     }
 

+    ScheduleRefresh();
+

     return true;
 }
 
     return true;
 }
 


@@ -3368,6 +3774,8 @@ bool wxDataViewCtrlInternal::ItemDeleted( const wxDataViewItem &parent, const wx
         parent_node->DeleteChild( item.GetID() );
     }
 
         parent_node->DeleteChild( item.GetID() );
     }
 

+    ScheduleRefresh();
+

     return true;
 }
 
     return true;
 }
 


@@ -3382,13 +3790,13 @@ 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 );
 
     event.SetItem( item );
     m_owner->HandleWindowEvent( event );
 


@@ -3399,26 +3807,32 @@ bool wxDataViewCtrlInternal::ValueChanged( const wxDataViewItem &item, unsigned
 
 GtkTreeModelFlags wxDataViewCtrlInternal::get_flags()
 {
 
 GtkTreeModelFlags wxDataViewCtrlInternal::get_flags()
 {

-    if (m_wx_model->IsVirtualListModel())
-        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->IsVirtualListModel())
     {
     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 = wxUIntToPtr(i+1);

 
         return TRUE;
     }
 
         return TRUE;
     }


@@ -3465,12 +3879,19 @@ 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 ();
 
     if (m_wx_model->IsVirtualListModel())
     {
     GtkTreePath *retval = gtk_tree_path_new ();
 
     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


@@ -3496,30 +3917,43 @@ gboolean wxDataViewCtrlInternal::iter_next( GtkTreeIter *iter )
 {
     if (m_wx_model->IsVirtualListModel())
     {
 {
     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 = wxUIntToPtr(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 );
     }
 


@@ -3535,13 +3969,24 @@ gboolean wxDataViewCtrlInternal::iter_children( GtkTreeIter *iter, GtkTreeIter *
             return FALSE;
 
         iter->stamp = m_gtk_model->stamp;
             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;
 
         if (!m_wx_model->IsContainer( item ))
             return FALSE;


@@ -3566,11 +4011,19 @@ gboolean wxDataViewCtrlInternal::iter_has_child( GtkTreeIter *iter )
 {
     if (m_wx_model->IsVirtualListModel())
     {
 {
     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 );


@@ -3592,10 +4045,10 @@ gint wxDataViewCtrlInternal::iter_n_children( GtkTreeIter *iter )
 {
     if (m_wx_model->IsVirtualListModel())
     {
 {
     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;
     }
 
         return 0;
     }


@@ -3615,8 +4068,6 @@ gint wxDataViewCtrlInternal::iter_n_children( GtkTreeIter *iter )
 
         BuildBranch( parent_node );
 
 
         BuildBranch( parent_node );
 

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

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


@@ -3625,7 +4076,7 @@ gboolean wxDataViewCtrlInternal::iter_nth_child( GtkTreeIter *iter, GtkTreeIter
 {
     if (m_wx_model->IsVirtualListModel())
     {
 {
     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;


@@ -3633,11 +4084,12 @@ 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 = wxUIntToPtr(n+1);

 
         return TRUE;
     }
 
         return TRUE;
     }


@@ -3656,8 +4108,6 @@ gboolean wxDataViewCtrlInternal::iter_nth_child( GtkTreeIter *iter, GtkTreeIter
 
         BuildBranch( parent_node );
 
 
         BuildBranch( parent_node );
 

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

         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 );
 


@@ -3684,6 +4134,28 @@ 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 )
 {


@@ -3707,7 +4179,7 @@ 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 ++)
             {


@@ -3855,7 +4327,7 @@ wxGtkTreeModelNode *wxDataViewCtrlInternal::FindParentNode( const wxDataViewItem
 static void
 wxdataview_selection_changed_callback( GtkTreeSelection* WXUNUSED(selection), wxDataViewCtrl *dv )
 {
 static void
 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() );


@@ -3870,9 +4342,7 @@ wxdataview_row_activated_callback( GtkTreeView* WXUNUSED(treeview), GtkTreePath
 {
     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 );
     event.SetItem( item );
     event.SetModel( dv->GetModel() );
     dv->HandleWindowEvent( event );


@@ -3939,7 +4409,7 @@ void wxDataViewCtrl::AddChildGTK(wxWindowGTK* child)
     GtkWidget* treeview = GtkGetTreeView();
 
     // Insert widget in GtkTreeView
     GtkWidget* treeview = GtkGetTreeView();
 
     // 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 );


@@ -3989,14 +4459,14 @@ gtk_dataview_motion_notify_callback( GtkWidget *WXUNUSED(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))


@@ -4005,10 +4475,6 @@ gtk_dataview_motion_notify_callback( GtkWidget *WXUNUSED(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 );

         }
     }
 
         }
     }
 


@@ -4027,32 +4493,25 @@ 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;
         GtkTreeViewColumn *column = NULL;
         gint cell_x = 0;
         gint cell_y = 0;

-        if (gtk_tree_view_get_path_at_pos(
+        gtk_tree_view_get_path_at_pos
+        (

             GTK_TREE_VIEW(dv->GtkGetTreeView()),
             (int) gdk_event->x, (int) gdk_event->y,
             GTK_TREE_VIEW(dv->GtkGetTreeView()),
             (int) gdk_event->x, (int) gdk_event->y,

-            &path,
+            path.ByRef(),

             &column,
             &cell_x,
             &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() );
-                wxDataViewItem item( (void*) iter.user_data );;
-                event.SetItem( item );
-                event.SetModel( dv->GetModel() );
-                bool ret = dv->HandleWindowEvent( event );
-                gtk_tree_path_free( path );
-                return ret;
-             }
-        }
+            &cell_y
+        );
+
+        wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, dv->GetId() );
+        if (path)
+            event.SetItem(dv->GTKPathToItem(path));
+        event.SetModel( dv->GetModel() );
+        return dv->HandleWindowEvent( event );

     }
 
     return FALSE;
     }
 
     return FALSE;


@@ -4062,34 +4521,46 @@ 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);

 
 

-    m_cols.Clear();
+        wxDataViewColumn * const wxcol = FromGTKColumn(col);
+        if ( wxcol )
+        {
+            // This won't do anything if we're not editing it
+            wxcol->GetRenderer()->CancelEditing();
+        }
+    }

 
 

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

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

-    m_notifier = NULL;

     m_internal = NULL;
 
     m_cols.DeleteContents( true );
     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;


@@ -4103,11 +4574,15 @@ bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
     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);
 

+    m_focusWidget = GTK_WIDGET(m_treeview);
+

     g_signal_connect (m_treeview, "size_allocate",
                      G_CALLBACK (gtk_dataviewctrl_size_callback), this);
 
 #ifdef __WXGTK26__
     g_signal_connect (m_treeview, "size_allocate",
                      G_CALLBACK (gtk_dataviewctrl_size_callback), this);
 
 #ifdef __WXGTK26__

+#ifndef __WXGTK3__

     if (!gtk_check_version(2,6,0))
     if (!gtk_check_version(2,6,0))

+#endif

     {
         bool fixed = (style & wxDV_VARIABLE_LINE_HEIGHT) == 0;
         gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), fixed );
     {
         bool fixed = (style & wxDV_VARIABLE_LINE_HEIGHT) == 0;
         gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), fixed );


@@ -4123,7 +4598,9 @@ bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
     gtk_tree_view_set_headers_visible( GTK_TREE_VIEW(m_treeview), (style & wxDV_NO_HEADER) == 0 );
 
 #ifdef __WXGTK210__
     gtk_tree_view_set_headers_visible( GTK_TREE_VIEW(m_treeview), (style & wxDV_NO_HEADER) == 0 );
 
 #ifdef __WXGTK210__

+#ifndef __WXGTK3__

     if (!gtk_check_version(2,10,0))
     if (!gtk_check_version(2,10,0))

+#endif

     {
         GtkTreeViewGridLines grid = GTK_TREE_VIEW_GRID_LINES_NONE;
 
     {
         GtkTreeViewGridLines grid = GTK_TREE_VIEW_GRID_LINES_NONE;
 


@@ -4176,10 +4653,20 @@ bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
     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++)


@@ -4187,42 +4674,36 @@ 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;
 
 #ifdef __WXGTK26__
 
     if (!wxDataViewCtrlBase::AssociateModel( model ))
         return false;
 
 #ifdef __WXGTK26__

+#ifndef __WXGTK3__

     if (!gtk_check_version(2,6,0))
     if (!gtk_check_version(2,6,0))

+#endif

     {
         bool fixed = (((GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT) == 0) || (model->IsVirtualListModel()));
         gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), fixed );
     }
 #endif
 
     {
         bool fixed = (((GetWindowStyle() & wxDV_VARIABLE_LINE_HEIGHT) == 0) || (model->IsVirtualListModel()));
         gtk_tree_view_set_fixed_height_mode( GTK_TREE_VIEW(m_treeview), fixed );
     }
 #endif
 

-    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 );
-
-    model->AddNotifier( m_notifier );
-
-    gtk_tree_view_set_model( GTK_TREE_VIEW(m_treeview), GTK_TREE_MODEL(gtk_model) );
-
-    // unref in wxDataViewCtrlInternal
-    // g_object_unref( gtk_model );
+    m_internal = new wxDataViewCtrlInternal( this, model );

 
     return true;
 }
 
     return true;
 }


@@ -4245,7 +4726,9 @@ bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
     m_cols.Append( col );
 
 #ifdef __WXGTK26__
     m_cols.Append( col );
 
 #ifdef __WXGTK26__

+#ifndef __WXGTK3__

     if (!gtk_check_version(2,6,0))
     if (!gtk_check_version(2,6,0))

+#endif

     {
         if (gtk_tree_view_column_get_sizing( GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) ) !=
                GTK_TREE_VIEW_COLUMN_FIXED)
     {
         if (gtk_tree_view_column_get_sizing( GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) ) !=
                GTK_TREE_VIEW_COLUMN_FIXED)


@@ -4267,7 +4750,9 @@ bool wxDataViewCtrl::PrependColumn( wxDataViewColumn *col )
     m_cols.Insert( col );
 
 #ifdef __WXGTK26__
     m_cols.Insert( col );
 
 #ifdef __WXGTK26__

+#ifndef __WXGTK3__

     if (!gtk_check_version(2,6,0))
     if (!gtk_check_version(2,6,0))

+#endif

     {
         if (gtk_tree_view_column_get_sizing( GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) ) !=
                GTK_TREE_VIEW_COLUMN_FIXED)
     {
         if (gtk_tree_view_column_get_sizing( GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) ) !=
                GTK_TREE_VIEW_COLUMN_FIXED)


@@ -4289,7 +4774,9 @@ bool wxDataViewCtrl::InsertColumn( unsigned int pos, wxDataViewColumn *col )
     m_cols.Insert( pos, col );
 
 #ifdef __WXGTK26__
     m_cols.Insert( pos, col );
 
 #ifdef __WXGTK26__

+#ifndef __WXGTK3__

     if (!gtk_check_version(2,6,0))
     if (!gtk_check_version(2,6,0))

+#endif

     {
         if (gtk_tree_view_column_get_sizing( GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) ) !=
                GTK_TREE_VIEW_COLUMN_FIXED)
     {
         if (gtk_tree_view_column_get_sizing( GTK_TREE_VIEW_COLUMN(col->GetGtkHandle()) ) !=
                GTK_TREE_VIEW_COLUMN_FIXED)


@@ -4308,10 +4795,9 @@ unsigned int wxDataViewCtrl::GetColumnCount() const
     return m_cols.GetCount();
 }
 
     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;


@@ -4324,9 +4810,18 @@ 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),
 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
 {
     gtk_tree_view_remove_column( GTK_TREE_VIEW(m_treeview),


@@ -4354,15 +4849,11 @@ bool wxDataViewCtrl::ClearColumns()
 
 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
 {
 
 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


@@ -4374,65 +4865,108 @@ 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();
 }
 
 bool wxDataViewCtrl::IsExpanded( const wxDataViewItem & item ) const
 {
     GtkTreeIter iter;
     iter.user_data = item.GetID();

-    GtkTreePath *path = m_internal->get_path( &iter );
-    bool res = gtk_tree_view_row_expanded( GTK_TREE_VIEW(m_treeview), path );
-    gtk_tree_path_free( path );
+    wxGtkTreePath path(m_internal->get_path( &iter ));
+    return gtk_tree_view_row_expanded( GTK_TREE_VIEW(m_treeview), path ) != 0;
+}

 
 

-    return res;
+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);

 }
 
 }
 

-wxDataViewItem wxDataViewCtrl::GetSelection() const
+void wxDataViewCtrl::DoSetCurrentItem(const wxDataViewItem& item)

 {
 {

-    GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
+    wxCHECK_RET( m_treeview,
+                 "Current item can't be set before creating the control." );

 
 

-    if (m_windowStyle & wxDV_MULTIPLE)
-    {
-        // Report the first one
-        GtkTreeModel *model;
-        GList *list = gtk_tree_selection_get_selected_rows( selection, &model );
+    // 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);

 
 

-        if (list)
-        {
-            GtkTreePath *path = (GtkTreePath*) list->data;
-            GtkTreeIter iter;
-            m_internal->get_iter( &iter, path );
+    // 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)));

 
 

-            // delete list
-            g_list_foreach( list, (GFunc) gtk_tree_path_free, NULL );
-            g_list_free( list );
+    // Do move the cursor now.
+    GtkTreeIter iter;
+    iter.user_data = item.GetID();
+    wxGtkTreePath path(m_internal->get_path( &iter ));

 
 

-            return wxDataViewItem( (void*) iter.user_data );
-        }
-    }
-    else
-    {
-        GtkTreeIter iter;
-        if (gtk_tree_selection_get_selected( selection, NULL, &iter ))
-        {
-            wxDataViewItem item( (void*) iter.user_data );
-            return item;
-        }
-    }
+    gtk_tree_view_set_cursor(GTK_TREE_VIEW(m_treeview), path, NULL, FALSE);
+}
+
+wxDataViewColumn *wxDataViewCtrl::GetCurrentColumn() 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 NULL without asserting.
+    if ( !m_treeview )
+        return NULL;
+
+    GtkTreeViewColumn *col;
+    gtk_tree_view_get_cursor(GTK_TREE_VIEW(m_treeview), NULL, &col);
+    return FromGTKColumn(col);
+}
+
+void wxDataViewCtrl::EditItem(const wxDataViewItem& item, const wxDataViewColumn *column)
+{
+    wxCHECK_RET( m_treeview,
+                 "Current item can't be set before creating the control." );
+    wxCHECK_RET( item.IsOk(), "invalid item" );
+    wxCHECK_RET( column, "no column provided" );
+
+    // 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);
+
+    GtkTreeViewColumn *gcolumn = GTK_TREE_VIEW_COLUMN(column->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 ));

 
 

-    return wxDataViewItem(0);
+    gtk_tree_view_set_cursor(GTK_TREE_VIEW(m_treeview), path, gcolumn, TRUE);
+}
+
+int wxDataViewCtrl::GetSelectedItemsCount() const
+{
+    GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
+
+    return gtk_tree_selection_count_selected_rows(selection);

 }
 
 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const
 }
 
 int wxDataViewCtrl::GetSelections( wxDataViewItemArray & sel ) const


@@ -4443,41 +4977,25 @@ 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;
-        while (list)
+        for ( GList* current = list; current; current = g_list_next(current) )

         {
         {

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

 
 

-            list = g_list_next( list );
-            count++;
+            sel.Add(GTKPathToItem(path));

         }
         }

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

     }
     else
     {
     }
     else
     {

-        GtkTreeModel *model;

         GtkTreeIter iter;
         GtkTreeIter iter;

-        gboolean has_selection = gtk_tree_selection_get_selected( selection, &model, &iter );
-        if (has_selection)
+        if (gtk_tree_selection_get_selected( selection, NULL, &iter ))

         {
         {

-            sel.Add( wxDataViewItem( (void*) iter.user_data) );
-            return 1;
+            sel.Add( wxDataViewItem(iter.user_data) );

         }
     }
 
         }
     }
 

-    return 0;
+    return sel.size();

 }
 
 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )
 }
 
 void wxDataViewCtrl::SetSelections( const wxDataViewItemArray & sel )


@@ -4549,7 +5067,7 @@ bool wxDataViewCtrl::IsSelected( const wxDataViewItem & item ) const
     iter.stamp = m_internal->GetGtkModel()->stamp;
     iter.user_data = (gpointer) item.GetID();
 
     iter.stamp = m_internal->GetGtkModel()->stamp;
     iter.user_data = (gpointer) item.GetID();
 

-    return gtk_tree_selection_iter_is_selected( selection, &iter );
+    return gtk_tree_selection_iter_is_selected( selection, &iter ) != 0;

 }
 
 void wxDataViewCtrl::SelectAll()
 }
 
 void wxDataViewCtrl::SelectAll()


@@ -4577,21 +5095,64 @@ void wxDataViewCtrl::UnselectAll()
 void wxDataViewCtrl::EnsureVisible(const wxDataViewItem& item,
                                    const wxDataViewColumn *WXUNUSED(column))
 {
 void wxDataViewCtrl::EnsureVisible(const wxDataViewItem& item,
                                    const wxDataViewColumn *WXUNUSED(column))
 {

+    m_ensureVisibleDefered = item;

     ExpandAncestors(item);
 
     GtkTreeIter iter;
     iter.user_data = (gpointer) item.GetID();
     ExpandAncestors(item);
 
     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& WXUNUSED(point),
+void wxDataViewCtrl::HitTest(const wxPoint& point,

                              wxDataViewItem& item,
                              wxDataViewColumn *& column) const
 {
                              wxDataViewItem& item,
                              wxDataViewColumn *& column) const
 {

+    // 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.

     item = wxDataViewItem(0);
     column = NULL;
     item = wxDataViewItem(0);
     column = NULL;

+    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* self = const_cast<wxDataViewCtrl *>(this); // ugly workaround, self is NOT const
+    GtkTreeView* treeView = GTK_TREE_VIEW(self->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
 }
 
 wxRect


@@ -4601,6 +5162,12 @@ wxDataViewCtrl::GetItemRect(const wxDataViewItem& WXUNUSED(item),
     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),


@@ -4625,6 +5192,10 @@ 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))


@@ -4632,9 +5203,12 @@ 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);
+    GTKApplyStyle(m_treeview, style);
+}

 
 

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

 
 

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