]> git.saurik.com Git - wxWidgets.git/blobdiff - src/gtk/dataview.cpp
Preserve original menu label for later retrieval
[wxWidgets.git] / src / gtk / dataview.cpp
index d560119725d7d4d56fd3568ecc2f9605338dc625..e9ad3b983df1b94799348b0f0a4e0be13ab7f050 100644 (file)
@@ -26,6 +26,8 @@
 #include "wx/calctrl.h"
 #include "wx/popupwin.h"
 #include "wx/icon.h"
 #include "wx/calctrl.h"
 #include "wx/popupwin.h"
 #include "wx/icon.h"
+#include "wx/list.h"
+#include "wx/listimpl.cpp"
 
 
 #include "wx/gtk/private.h"
 
 
 #include "wx/gtk/private.h"
 
 #include <gobject/gvaluecollector.h>
 #include <gtk/gtktreemodel.h>
 
 #include <gobject/gvaluecollector.h>
 #include <gtk/gtktreemodel.h>
+#include <gtk/gtktreesortable.h>
 #include <gtk/gtktreednd.h>
 
 #include <gdk/gdkkeysyms.h>
 
 //-----------------------------------------------------------------------------
 #include <gtk/gtktreednd.h>
 
 #include <gdk/gdkkeysyms.h>
 
 //-----------------------------------------------------------------------------
-// classes
 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 
-class wxDataViewCtrl;
+wxDataViewModel *g_model = NULL;
+
+class wxGtkTreeModelNode;
+
+extern "C" {
+typedef struct _GtkWxTreeModel       GtkWxTreeModel;
+}
+
+//-----------------------------------------------------------------------------
+// wxDataViewCtrlInternal
+//-----------------------------------------------------------------------------
+
+WX_DECLARE_LIST(wxDataViewItem, ItemList);
+WX_DEFINE_LIST(ItemList);
+
+class wxDataViewCtrlInternal
+{
+public:
+    wxDataViewCtrlInternal( wxDataViewCtrl *owner, wxDataViewModel *wx_model, GtkWxTreeModel *owner );
+    ~wxDataViewCtrlInternal();
+    
+    gboolean get_iter( GtkTreeIter *iter, GtkTreePath *path );
+    GtkTreePath *get_path( GtkTreeIter *iter);
+    GtkTreePath *get_path_safe( GtkTreeIter *iter);
+    gboolean iter_next( GtkTreeIter *iter );
+    gboolean iter_children( GtkTreeIter *iter, GtkTreeIter *parent);
+    gboolean iter_has_child( GtkTreeIter *iter );
+    gint iter_n_children( GtkTreeIter *iter );
+    gboolean iter_nth_child( GtkTreeIter *iter, GtkTreeIter *parent, gint n );
+    gboolean iter_parent( GtkTreeIter *iter, GtkTreeIter *child );
+    
+    wxDataViewModel* GetDataViewModel() { return m_wx_model; }
+    wxDataViewCtrl* GetOwner()          { return m_owner; }
+    GtkWxTreeModel* GetGtkModel()       { return m_gtk_model; }
+
+    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 Cleared();
+    void Resort();
+    
+protected:
+    void InitTree();
+    wxGtkTreeModelNode *FindNode( const wxDataViewItem &item );
+    wxGtkTreeModelNode *FindNode( GtkTreeIter *iter );
+    wxGtkTreeModelNode *FindParentNode( const wxDataViewItem &item );
+    wxGtkTreeModelNode *FindParentNode( GtkTreeIter *iter );
+    void BuildBranch( wxGtkTreeModelNode *branch );
+    
+private:
+    wxGtkTreeModelNode   *m_root;
+    wxDataViewModel      *m_wx_model;
+    GtkWxTreeModel       *m_gtk_model;
+    wxDataViewCtrl       *m_owner;
+};
+
+
+//-----------------------------------------------------------------------------
+// wxGtkTreeModelNode
+//-----------------------------------------------------------------------------
+
+int LINKAGEMODE wxGtkTreeModelNodeCmp( void *id1, void *id2 );
+
+WX_DEFINE_ARRAY_PTR( wxGtkTreeModelNode*, wxGtkTreeModelNodes );
+WX_DEFINE_SORTED_ARRAY( void* , wxGtkTreeModelChildren );
+
+class wxGtkTreeModelNode
+{
+public:
+    wxGtkTreeModelNode( wxGtkTreeModelNode* parent, const wxDataViewItem &item,
+      wxDataViewCtrlInternal *internal )
+    { 
+        m_parent = parent; 
+        m_item = item;
+        m_internal = internal;
+        g_model = internal->GetDataViewModel();
+        m_children = new wxGtkTreeModelChildren( wxGtkTreeModelNodeCmp );
+    }
+    
+    ~wxGtkTreeModelNode()
+    { 
+        g_model = m_internal->GetDataViewModel();
+        size_t count = m_children->GetCount();
+        size_t i;
+        for (i = 0; i < count; i++)
+        {
+            wxGtkTreeModelNode *child = m_nodes.Item( i );
+            delete child;
+        }
+        delete m_children;
+    }
+
+    unsigned int AddNode( wxGtkTreeModelNode* child ) 
+        { 
+            g_model = m_internal->GetDataViewModel();
+            m_nodes.Add( child );
+            return m_children->Add( child->GetItem().GetID() );
+        }
+        
+    unsigned int AddLeave( void* id )
+        {
+            g_model = m_internal->GetDataViewModel();
+            return m_children->Add( id );
+        }
+        
+    void DeleteChild( void* id )
+        {
+            g_model = m_internal->GetDataViewModel();
+            size_t pos;
+            size_t count = m_children->GetCount();
+            for (pos = 0; pos < count; pos++)
+            {
+                if (m_children->Item( pos ) == id)
+                {
+                    m_children->RemoveAt( pos );
+                    break;
+                }
+            }
+            count = m_nodes.GetCount();
+            for (pos = 0; pos < count; pos++)
+            {   
+                wxGtkTreeModelNode *node = m_nodes.Item( pos );
+                if (node->GetItem().GetID() == id)
+                {
+                    m_nodes.RemoveAt( pos );
+                    delete node;
+                    break;
+                }
+            }
+            
+        }
+        
+    wxGtkTreeModelNode* GetParent() 
+        { return m_parent; }
+    wxGtkTreeModelNodes &GetNodes() 
+        { return m_nodes; }
+    wxGtkTreeModelChildren &GetChildren() 
+        { return *m_children; }
+        
+    unsigned int GetChildCount() { return m_children->GetCount(); }
+    unsigned int GetNodesCount() { return m_nodes.GetCount(); }
+
+    wxDataViewItem &GetItem() { return m_item; }
+    wxDataViewCtrlInternal *GetInternal() { return m_internal; }
+    
+    void Resort();
+    
+private:
+    wxGtkTreeModelNode         *m_parent;
+    wxGtkTreeModelNodes         m_nodes;
+    wxGtkTreeModelChildren     *m_children;
+    wxDataViewItem              m_item; 
+    wxDataViewCtrlInternal     *m_internal;
+};
+
+
+int LINKAGEMODE wxGtkTreeModelNodeCmp( void* id1, void* id2 )
+{
+    return g_model->Compare( id1, id2 );
+}
 
 //-----------------------------------------------------------------------------
 // data
 
 //-----------------------------------------------------------------------------
 // data
@@ -50,159 +212,196 @@ class wxDataViewCtrl;
 extern bool   g_blockEventsOnDrag;
 
 //-----------------------------------------------------------------------------
 extern bool   g_blockEventsOnDrag;
 
 //-----------------------------------------------------------------------------
-// define new GTK+ class wxGtkListStore
+// define new GTK+ class wxGtkTreeModel
 //-----------------------------------------------------------------------------
 
 extern "C" {
 
 //-----------------------------------------------------------------------------
 
 extern "C" {
 
-#define GTK_TYPE_WX_LIST_STORE               (gtk_wx_list_store_get_type ())
-#define GTK_WX_LIST_STORE(obj)               (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_WX_LIST_STORE, GtkWxListStore))
-#define GTK_WX_LIST_STORE_CLASS(klass)       (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_WX_LIST_STORE, GtkWxListStoreClass))
-#define GTK_IS_WX_LIST_STORE(obj)            (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_WX_LIST_STORE))
-#define GTK_IS_WX_LIST_STORE_CLASS(klass)    (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_WX_LIST_STORE))
-#define GTK_WX_LIST_STORE_GET_CLASS(obj)     (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_WX_LIST_STORE, GtkWxListStoreClass))
+#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_WX_TREE_MODEL_GET_CLASS(obj)     (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_WX_TREE_MODEL, GtkWxTreeModelClass))
 
 
-GType         gtk_wx_list_store_get_type         (void);
+GType         gtk_wx_tree_model_get_type         (void);
 
 
-typedef struct _GtkWxListStore       GtkWxListStore;
-typedef struct _GtkWxListStoreClass  GtkWxListStoreClass;
+typedef struct _GtkWxTreeModelClass  GtkWxTreeModelClass;
 
 
-struct _GtkWxListStore
+struct _GtkWxTreeModel
 {
   GObject parent;
 
   /*< private >*/
   gint stamp;
 {
   GObject parent;
 
   /*< private >*/
   gint stamp;
-  wxDataViewListModel *model;
+  wxDataViewCtrlInternal *internal;
 };
 
 };
 
-struct _GtkWxListStoreClass
+struct _GtkWxTreeModelClass
 {
   GObjectClass list_parent_class;
 };
 
 {
   GObjectClass list_parent_class;
 };
 
-static GtkWxListStore *wxgtk_list_store_new          (void);
-static void         wxgtk_list_store_init            (GtkWxListStore      *list_store);
-static void         wxgtk_list_store_class_init      (GtkWxListStoreClass *klass);
-static void         wxgtk_list_store_tree_model_init (GtkTreeModelIface *iface);
-static void         wxgtk_list_store_finalize        (GObject           *object);
-static GtkTreeModelFlags wxgtk_list_store_get_flags  (GtkTreeModel      *tree_model);
-static gint         wxgtk_list_store_get_n_columns   (GtkTreeModel      *tree_model);
-static GType        wxgtk_list_store_get_column_type (GtkTreeModel      *tree_model,
+static GtkWxTreeModel *wxgtk_tree_model_new          (void);
+static void         wxgtk_tree_model_init            (GtkWxTreeModel       *tree_model);
+static void         wxgtk_tree_model_class_init      (GtkWxTreeModelClass  *klass);
+static void         wxgtk_tree_model_tree_model_init (GtkTreeModelIface    *iface);
+static void         wxgtk_tree_model_sortable_init   (GtkTreeSortableIface *iface);
+static void         wxgtk_tree_model_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,
                                                       gint               index);
                                                       gint               index);
-static gboolean     wxgtk_list_store_get_iter        (GtkTreeModel      *tree_model,
+static gboolean     wxgtk_tree_model_get_iter        (GtkTreeModel      *tree_model,
                                                       GtkTreeIter       *iter,
                                                       GtkTreePath       *path);
                                                       GtkTreeIter       *iter,
                                                       GtkTreePath       *path);
-static GtkTreePath *wxgtk_list_store_get_path        (GtkTreeModel      *tree_model,
+static GtkTreePath *wxgtk_tree_model_get_path        (GtkTreeModel      *tree_model,
                                                       GtkTreeIter       *iter);
                                                       GtkTreeIter       *iter);
-static void         wxgtk_list_store_get_value       (GtkTreeModel      *tree_model,
+static GtkTreePath *wxgtk_tree_model_get_path_safe   (GtkTreeModel      *tree_model,
+                                                      GtkTreeIter       *iter);
+static void         wxgtk_tree_model_get_value       (GtkTreeModel      *tree_model,
                                                       GtkTreeIter       *iter,
                                                       gint               column,
                                                       GValue            *value);
                                                       GtkTreeIter       *iter,
                                                       gint               column,
                                                       GValue            *value);
-static gboolean     wxgtk_list_store_iter_next       (GtkTreeModel      *tree_model,
+static gboolean     wxgtk_tree_model_iter_next       (GtkTreeModel      *tree_model,
                                                       GtkTreeIter       *iter);
                                                       GtkTreeIter       *iter);
-static gboolean     wxgtk_list_store_iter_children   (GtkTreeModel      *tree_model,
+static gboolean     wxgtk_tree_model_iter_children   (GtkTreeModel      *tree_model,
                                                       GtkTreeIter       *iter,
                                                       GtkTreeIter       *parent);
                                                       GtkTreeIter       *iter,
                                                       GtkTreeIter       *parent);
-static gboolean     wxgtk_list_store_iter_has_child  (GtkTreeModel      *tree_model,
+static gboolean     wxgtk_tree_model_iter_has_child  (GtkTreeModel      *tree_model,
                                                       GtkTreeIter       *iter);
                                                       GtkTreeIter       *iter);
-static gint         wxgtk_list_store_iter_n_children (GtkTreeModel      *tree_model,
+static gint         wxgtk_tree_model_iter_n_children (GtkTreeModel      *tree_model,
                                                       GtkTreeIter       *iter);
                                                       GtkTreeIter       *iter);
-static gboolean     wxgtk_list_store_iter_nth_child  (GtkTreeModel      *tree_model,
+static gboolean     wxgtk_tree_model_iter_nth_child  (GtkTreeModel      *tree_model,
                                                       GtkTreeIter       *iter,
                                                       GtkTreeIter       *parent,
                                                       gint               n);
                                                       GtkTreeIter       *iter,
                                                       GtkTreeIter       *parent,
                                                       gint               n);
-static gboolean     wxgtk_list_store_iter_parent     (GtkTreeModel      *tree_model,
+static gboolean     wxgtk_tree_model_iter_parent     (GtkTreeModel      *tree_model,
                                                       GtkTreeIter       *iter,
                                                       GtkTreeIter       *child);
 
                                                       GtkTreeIter       *iter,
                                                       GtkTreeIter       *child);
 
+/* sortable */
+static gboolean wxgtk_tree_model_get_sort_column_id    (GtkTreeSortable       *sortable,
+                                                     gint                     *sort_column_id,
+                                                     GtkSortType              *order);
+static void     wxgtk_tree_model_set_sort_column_id    (GtkTreeSortable       *sortable,
+                                                     gint                      sort_column_id,
+                                                     GtkSortType               order);
+static void     wxgtk_tree_model_set_sort_func         (GtkTreeSortable       *sortable,
+                                                     gint                      sort_column_id,
+                                                     GtkTreeIterCompareFunc    func,
+                                                     gpointer                  data,
+                                                     GtkDestroyNotify          destroy);
+static void     wxgtk_tree_model_set_default_sort_func (GtkTreeSortable       *sortable,
+                                                     GtkTreeIterCompareFunc    func,
+                                                     gpointer                  data,
+                                                     GtkDestroyNotify          destroy);
+static gboolean wxgtk_tree_model_has_default_sort_func (GtkTreeSortable       *sortable);
+
+
+
 static GObjectClass *list_parent_class = NULL;
 
 GType
 static GObjectClass *list_parent_class = NULL;
 
 GType
-gtk_wx_list_store_get_type (void)
+gtk_wx_tree_model_get_type (void)
 {
 {
-    static GType list_store_type = 0;
+    static GType tree_model_type = 0;
 
 
-    if (!list_store_type)
+    if (!tree_model_type)
     {
     {
-        const GTypeInfo list_store_info =
+        const GTypeInfo tree_model_info =
         {
         {
-            sizeof (GtkWxListStoreClass),
+            sizeof (GtkWxTreeModelClass),
             NULL,   /* base_init */
             NULL,   /* base_finalize */
             NULL,   /* base_init */
             NULL,   /* base_finalize */
-            (GClassInitFunc) wxgtk_list_store_class_init,
+            (GClassInitFunc) wxgtk_tree_model_class_init,
             NULL,   /* class_finalize */
             NULL,   /* class_data */
             NULL,   /* class_finalize */
             NULL,   /* class_data */
-            sizeof (GtkWxListStore),
+            sizeof (GtkWxTreeModel),
             0,
             0,
-            (GInstanceInitFunc) wxgtk_list_store_init,
+            (GInstanceInitFunc) wxgtk_tree_model_init,
         };
 
         };
 
-      static const GInterfaceInfo tree_model_info =
-      {
-          (GInterfaceInitFunc) wxgtk_list_store_tree_model_init,
-          NULL,
-          NULL
-      };
+        static const GInterfaceInfo tree_model_iface_info =
+        {
+            (GInterfaceInitFunc) wxgtk_tree_model_tree_model_init,
+            NULL,
+            NULL
+        };
 
 
-      list_store_type = g_type_register_static (G_TYPE_OBJECT, "GtkWxListStore",
-                                                &list_store_info, (GTypeFlags)0 );
+        static const GInterfaceInfo sortable_iface_info =
+        {
+            (GInterfaceInitFunc) wxgtk_tree_model_sortable_init,
+            NULL,
+            NULL
+        };
+
+        tree_model_type = g_type_register_static (G_TYPE_OBJECT, "GtkWxTreeModel",
+                                                &tree_model_info, (GTypeFlags)0 );
 
 
-      g_type_add_interface_static (list_store_type,
-                                   GTK_TYPE_TREE_MODEL,
-                                   &tree_model_info);
+        g_type_add_interface_static (tree_model_type,
+                                     GTK_TYPE_TREE_MODEL,
+                                     &tree_model_iface_info);
+        g_type_add_interface_static (tree_model_type,
+                                     GTK_TYPE_TREE_SORTABLE,
+                                     &sortable_iface_info);
     }
 
     }
 
-  return list_store_type;
+    return tree_model_type;
 }
 
 }
 
-static GtkWxListStore *
-wxgtk_list_store_new(void)
+static GtkWxTreeModel *
+wxgtk_tree_model_new(void)
 {
 {
-    GtkWxListStore *retval = (GtkWxListStore *) g_object_new (GTK_TYPE_WX_LIST_STORE, NULL);
+    GtkWxTreeModel *retval = (GtkWxTreeModel *) g_object_new (GTK_TYPE_WX_TREE_MODEL, NULL);
     return retval;
 }
 
 static void
     return retval;
 }
 
 static void
-wxgtk_list_store_class_init (GtkWxListStoreClass *klass)
+wxgtk_tree_model_class_init (GtkWxTreeModelClass *klass)
 {
     list_parent_class = (GObjectClass*) g_type_class_peek_parent (klass);
     GObjectClass *object_class = (GObjectClass*) klass;
 {
     list_parent_class = (GObjectClass*) g_type_class_peek_parent (klass);
     GObjectClass *object_class = (GObjectClass*) klass;
-    object_class->finalize = wxgtk_list_store_finalize;
+    object_class->finalize = wxgtk_tree_model_finalize;
 }
 
 static void
 }
 
 static void
-wxgtk_list_store_tree_model_init (GtkTreeModelIface *iface)
-{
-    iface->get_flags = wxgtk_list_store_get_flags;
-    iface->get_n_columns = wxgtk_list_store_get_n_columns;
-    iface->get_column_type = wxgtk_list_store_get_column_type;
-    iface->get_iter = wxgtk_list_store_get_iter;
-    iface->get_path = wxgtk_list_store_get_path;
-    iface->get_value = wxgtk_list_store_get_value;
-    iface->iter_next = wxgtk_list_store_iter_next;
-    iface->iter_children = wxgtk_list_store_iter_children;
-    iface->iter_has_child = wxgtk_list_store_iter_has_child;
-    iface->iter_n_children = wxgtk_list_store_iter_n_children;
-    iface->iter_nth_child = wxgtk_list_store_iter_nth_child;
-    iface->iter_parent = wxgtk_list_store_iter_parent;
+wxgtk_tree_model_tree_model_init (GtkTreeModelIface *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_iter = wxgtk_tree_model_get_iter;
+    iface->get_path = wxgtk_tree_model_get_path;
+    iface->get_value = wxgtk_tree_model_get_value;
+    iface->iter_next = wxgtk_tree_model_iter_next;
+    iface->iter_children = wxgtk_tree_model_iter_children;
+    iface->iter_has_child = wxgtk_tree_model_iter_has_child;
+    iface->iter_n_children = wxgtk_tree_model_iter_n_children;
+    iface->iter_nth_child = wxgtk_tree_model_iter_nth_child;
+    iface->iter_parent = wxgtk_tree_model_iter_parent;
 }
 
 static void
 }
 
 static void
-wxgtk_list_store_init (GtkWxListStore *list_store)
+wxgtk_tree_model_sortable_init (GtkTreeSortableIface *iface)
 {
 {
-    list_store->model = NULL;
-    list_store->stamp = g_random_int();
+    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->set_default_sort_func = wxgtk_tree_model_set_default_sort_func;
+    iface->has_default_sort_func = wxgtk_tree_model_has_default_sort_func;
 }
 
 static void
 }
 
 static void
-wxgtk_list_store_finalize (GObject *object)
+wxgtk_tree_model_init (GtkWxTreeModel *tree_model)
 {
 {
-    /* GtkWxListStore *list_store = GTK_WX_LIST_STORE (object); */
-
-    /* we need to sort out, which class deletes what */
-    /* delete list_store->model; */
+    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);
 }
     /* must chain up */
     (* list_parent_class->finalize) (object);
 }
@@ -210,44 +409,37 @@ wxgtk_list_store_finalize (GObject *object)
 } // extern "C"
 
 //-----------------------------------------------------------------------------
 } // extern "C"
 
 //-----------------------------------------------------------------------------
-// implement callbacks from wxGtkListStore class by letting
-// them call the methods of wxWidgets' wxDataViewListModel
+// implement callbacks from wxGtkTreeModel class by letting
+// them call the methods of wxWidgets' wxDataViewModel
 //-----------------------------------------------------------------------------
 
 static GtkTreeModelFlags
 //-----------------------------------------------------------------------------
 
 static GtkTreeModelFlags
-wxgtk_list_store_get_flags (GtkTreeModel *tree_model)
+wxgtk_tree_model_get_flags (GtkTreeModel *tree_model)
 {
 {
-    g_return_val_if_fail (GTK_IS_WX_LIST_STORE (tree_model), (GtkTreeModelFlags)0 );
+    g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (tree_model), (GtkTreeModelFlags)0 );
 
 
-    // GTK+ list store uses a linked list for storing the
-    // items and a pointer to a child is used as the member
-    // field of a GtkTreeIter. This means that the iter is
-    // valid in the GtkListStore as long as the child exists.
-    // We use the index of the row and since the index of a
-    // specific row will change if a row above is deleted,
-    // the iter does not persist
-    return /* GTK_TREE_MODEL_ITERS_PERSIST | */ GTK_TREE_MODEL_LIST_ONLY;
+    return GTK_TREE_MODEL_ITERS_PERSIST;
 }
 
 static gint
 }
 
 static gint
-wxgtk_list_store_get_n_columns (GtkTreeModel *tree_model)
+wxgtk_tree_model_get_n_columns (GtkTreeModel *tree_model)
 {
 {
-    GtkWxListStore *list_store = (GtkWxListStore *) tree_model;
-    g_return_val_if_fail (GTK_IS_WX_LIST_STORE (tree_model), 0);
+    GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
+    g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), 0);
 
 
-    return list_store->model->GetColumnCount();
+    return wxtree_model->internal->GetDataViewModel()->GetColumnCount();
 }
 
 static GType
 }
 
 static GType
-wxgtk_list_store_get_column_type (GtkTreeModel *tree_model,
+wxgtk_tree_model_get_column_type (GtkTreeModel *tree_model,
                                   gint          index)
 {
                                   gint          index)
 {
-    GtkWxListStore *list_store = (GtkWxListStore *) tree_model;
-    g_return_val_if_fail (GTK_IS_WX_LIST_STORE (tree_model), G_TYPE_INVALID);
+    GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
+    g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), G_TYPE_INVALID);
 
     GType gtype = G_TYPE_INVALID;
 
 
     GType gtype = G_TYPE_INVALID;
 
-    wxString wxtype = list_store->model->GetColumnType( (unsigned int) index );
+    wxString wxtype = wxtree_model->internal->GetDataViewModel()->GetColumnType( (unsigned int) index );
 
     if (wxtype == wxT("string"))
         gtype = G_TYPE_STRING;
 
     if (wxtype == wxT("string"))
         gtype = G_TYPE_STRING;
@@ -260,61 +452,58 @@ wxgtk_list_store_get_column_type (GtkTreeModel *tree_model,
 }
 
 static gboolean
 }
 
 static gboolean
-wxgtk_list_store_get_iter (GtkTreeModel *tree_model,
+wxgtk_tree_model_get_iter (GtkTreeModel *tree_model,
                            GtkTreeIter  *iter,
                            GtkTreePath  *path)
 {
                            GtkTreeIter  *iter,
                            GtkTreePath  *path)
 {
-    GtkWxListStore *list_store = (GtkWxListStore *) tree_model;
-    g_return_val_if_fail (GTK_IS_WX_LIST_STORE (tree_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 (gtk_tree_path_get_depth (path) > 0, FALSE);
 
     g_return_val_if_fail (gtk_tree_path_get_depth (path) > 0, FALSE);
 
-    unsigned int i = (unsigned int)gtk_tree_path_get_indices (path)[0];
-
-    if (i >= list_store->model->GetRowCount())
-        return FALSE;
+    return wxtree_model->internal->get_iter( iter, path );
+}
 
 
-    iter->stamp = list_store->stamp;
-    // user_data is just the index
-    iter->user_data = (gpointer) i;
+static GtkTreePath *
+wxgtk_tree_model_get_path (GtkTreeModel *tree_model,
+                           GtkTreeIter  *iter)
+{
+    GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
+    g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), NULL);
+    g_return_val_if_fail (iter->stamp == GTK_WX_TREE_MODEL (wxtree_model)->stamp, NULL);
 
 
-    return TRUE;
+    return wxtree_model->internal->get_path( iter );
 }
 
 static GtkTreePath *
 }
 
 static GtkTreePath *
-wxgtk_list_store_get_path (GtkTreeModel *tree_model,
-                           GtkTreeIter  *iter)
+wxgtk_tree_model_get_path_safe (GtkTreeModel *tree_model,
+                                GtkTreeIter  *iter)
 {
 {
-    g_return_val_if_fail (GTK_IS_WX_LIST_STORE (tree_model), NULL);
-    g_return_val_if_fail (iter->stamp == GTK_WX_LIST_STORE (tree_model)->stamp, NULL);
+    GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
+    g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), NULL);
+    g_return_val_if_fail (iter->stamp == GTK_WX_TREE_MODEL (wxtree_model)->stamp, NULL);
 
 
-    GtkTreePath *retval = gtk_tree_path_new ();
-    // user_data is just the index
-    int i = (wxUIntPtr) iter->user_data;
-    gtk_tree_path_append_index (retval, i);
-    return retval;
+    return wxtree_model->internal->get_path_safe( iter );
 }
 
 static void
 }
 
 static void
-wxgtk_list_store_get_value (GtkTreeModel *tree_model,
+wxgtk_tree_model_get_value (GtkTreeModel *tree_model,
                             GtkTreeIter  *iter,
                             gint          column,
                             GValue       *value)
 {
                             GtkTreeIter  *iter,
                             gint          column,
                             GValue       *value)
 {
-    GtkWxListStore *list_store = (GtkWxListStore *) tree_model;
-    g_return_if_fail (GTK_IS_WX_LIST_STORE (tree_model) );
+    GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
+    g_return_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model) );
 
 
-    wxDataViewListModel *model = list_store->model;
+    wxDataViewModel *model = wxtree_model->internal->GetDataViewModel();
     wxString mtype = model->GetColumnType( (unsigned int) column );
     if (mtype == wxT("string"))
     {
         wxVariant variant;
         g_value_init( value, G_TYPE_STRING );
     wxString mtype = model->GetColumnType( (unsigned int) column );
     if (mtype == wxT("string"))
     {
         wxVariant variant;
         g_value_init( value, G_TYPE_STRING );
-        model->GetValue( variant,
-                         (unsigned int) column,
-                         (unsigned int) iter->user_data );
+        wxDataViewItem item( (void*) iter->user_data );
+        model->GetValue( variant, item, (unsigned int) column );
 
 
-        // FIXME: we should support different encodings here
-        g_value_set_string( value, wxGTK_CONV_SYS(variant.GetString()) );
+        g_value_set_string( value, variant.GetString().utf8_str() );
     }
     else
     {
     }
     else
     {
@@ -323,95 +512,144 @@ wxgtk_list_store_get_value (GtkTreeModel *tree_model,
 }
 
 static gboolean
 }
 
 static gboolean
-wxgtk_list_store_iter_next (GtkTreeModel  *tree_model,
+wxgtk_tree_model_iter_next (GtkTreeModel  *tree_model,
                             GtkTreeIter   *iter)
 {
                             GtkTreeIter   *iter)
 {
-    g_return_val_if_fail (GTK_IS_WX_LIST_STORE (tree_model), FALSE);
-    GtkWxListStore *list_store = (GtkWxListStore *) tree_model;
-
-    g_return_val_if_fail (list_store->stamp == iter->stamp, FALSE);
-
-    int n = (wxUIntPtr) iter->user_data;
-
-    if (n == -1)
-        return FALSE;
-
-    if (n >= (int) list_store->model->GetRowCount()-1)
-        return FALSE;
-
-    iter->user_data = (gpointer) ++n;
+    GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
+    g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
+    g_return_val_if_fail (wxtree_model->stamp == iter->stamp, FALSE);
 
 
-    return TRUE;
+    return wxtree_model->internal->iter_next( iter );
 }
 
 static gboolean
 }
 
 static gboolean
-wxgtk_list_store_iter_children (GtkTreeModel *tree_model,
+wxgtk_tree_model_iter_children (GtkTreeModel *tree_model,
                                 GtkTreeIter  *iter,
                                 GtkTreeIter  *parent)
 {
                                 GtkTreeIter  *iter,
                                 GtkTreeIter  *parent)
 {
-    g_return_val_if_fail (GTK_IS_WX_LIST_STORE (tree_model), FALSE);
-    GtkWxListStore *list_store = (GtkWxListStore *) tree_model;
-
-    // this is a list, nodes have no children
-    if (parent)
-        return FALSE;
-
-    iter->stamp = list_store->stamp;
-    iter->user_data = (gpointer) -1;
+    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);
 
 
-    return TRUE;
+    return wxtree_model->internal->iter_children( iter, parent );
 }
 
 static gboolean
 }
 
 static gboolean
-wxgtk_list_store_iter_has_child (GtkTreeModel *tree_model,
+wxgtk_tree_model_iter_has_child (GtkTreeModel *tree_model,
                                  GtkTreeIter  *iter)
 {
                                  GtkTreeIter  *iter)
 {
-    return 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 == iter->stamp, FALSE);
+
+    return wxtree_model->internal->iter_has_child( iter );
 }
 
 static gint
 }
 
 static gint
-wxgtk_list_store_iter_n_children (GtkTreeModel *tree_model,
+wxgtk_tree_model_iter_n_children (GtkTreeModel *tree_model,
                                   GtkTreeIter  *iter)
 {
                                   GtkTreeIter  *iter)
 {
-    g_return_val_if_fail (GTK_IS_WX_LIST_STORE (tree_model), -1);
-    GtkWxListStore *list_store = (GtkWxListStore *) tree_model;
+    GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
+    g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
+    g_return_val_if_fail (wxtree_model->stamp == iter->stamp, 0);
 
 
-    if (iter == NULL)
-        return (gint) list_store->model->GetRowCount();
-
-    g_return_val_if_fail (list_store->stamp == iter->stamp, -1);
-
-    return 0;
+    return wxtree_model->internal->iter_n_children( iter );
 }
 
 static gboolean
 }
 
 static gboolean
-wxgtk_list_store_iter_nth_child (GtkTreeModel *tree_model,
+wxgtk_tree_model_iter_nth_child (GtkTreeModel *tree_model,
                                  GtkTreeIter  *iter,
                                  GtkTreeIter  *parent,
                                  gint          n)
 {
                                  GtkTreeIter  *iter,
                                  GtkTreeIter  *parent,
                                  gint          n)
 {
-    g_return_val_if_fail (GTK_IS_WX_LIST_STORE (tree_model), FALSE);
-    GtkWxListStore *list_store = (GtkWxListStore *) tree_model;
+    GtkWxTreeModel *wxtree_model = (GtkWxTreeModel *) tree_model;
+    g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (wxtree_model), FALSE);
 
 
-    if (parent)
-        return FALSE;
+    return wxtree_model->internal->iter_nth_child( iter, parent, n );
+}
 
 
-    if (n < 0)
-        return FALSE;
+static gboolean
+wxgtk_tree_model_iter_parent (GtkTreeModel *tree_model,
+                              GtkTreeIter  *iter,
+                              GtkTreeIter  *child)
+{
+    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 == child->stamp, FALSE);
+    
+    return wxtree_model->internal->iter_parent( iter, child );
+}
 
 
-    if (n >= (gint) list_store->model->GetRowCount())
-        return FALSE;
+/* sortable */
+gboolean wxgtk_tree_model_get_sort_column_id    (GtkTreeSortable        *sortable,
+                                                     gint                     *sort_column_id,
+                                                     GtkSortType              *order)
+{
+    GtkWxTreeModel *tree_model = (GtkWxTreeModel *) sortable;
 
 
-    iter->stamp = list_store->stamp;
-    iter->user_data = (gpointer) n;
+    g_return_val_if_fail (GTK_IS_WX_TREE_MODEL (sortable), FALSE);
 
 
+    if (sort_column_id)
+        *sort_column_id = tree_model->internal->GetDataViewModel()->GetSortingColumn();
+        
+    if (order)
+    {
+        bool ascending = tree_model->internal->GetDataViewModel()->GetSortOrderAscending();
+        if (ascending)
+            *order = GTK_SORT_ASCENDING;
+        else
+            *order = GTK_SORT_DESCENDING;
+    }
+        
     return TRUE;
 }
 
     return TRUE;
 }
 
-static gboolean
-wxgtk_list_store_iter_parent (GtkTreeModel *tree_model,
-                              GtkTreeIter  *iter,
-                              GtkTreeIter  *child)
+void     wxgtk_tree_model_set_sort_column_id    (GtkTreeSortable        *sortable,
+                                                     gint                      sort_column_id,
+                                                     GtkSortType               order)
+{
+    GtkWxTreeModel *tree_model = (GtkWxTreeModel *) sortable;
+    g_return_if_fail (GTK_IS_WX_TREE_MODEL (sortable) );
+
+    bool ascending = TRUE;
+    if (order != GTK_SORT_ASCENDING)
+        ascending = FALSE;
+
+    if ((sort_column_id == (gint) tree_model->internal->GetDataViewModel()->GetSortingColumn()) &&
+        (ascending == tree_model->internal->GetDataViewModel()->GetSortOrderAscending()))
+        return;
+    
+    tree_model->internal->GetDataViewModel()->SetSortingColumn( sort_column_id );
+    
+    tree_model->internal->GetDataViewModel()->SetSortOrderAscending( ascending );
+    
+    gtk_tree_sortable_sort_column_changed (sortable);
+    
+    tree_model->internal->GetDataViewModel()->Resort();
+}
+
+void     wxgtk_tree_model_set_sort_func         (GtkTreeSortable        *sortable,
+                                                     gint                      sort_column_id,
+                                                     GtkTreeIterCompareFunc    func,
+                                                     gpointer                  data,
+                                                     GtkDestroyNotify          destroy)
+{
+    g_return_if_fail (GTK_IS_WX_TREE_MODEL (sortable) );
+    g_return_if_fail (func != NULL);
+}
+
+void     wxgtk_tree_model_set_default_sort_func (GtkTreeSortable        *sortable,
+                                                     GtkTreeIterCompareFunc    func,
+                                                     gpointer                  data,
+                                                     GtkDestroyNotify          destroy)
+{
+    g_return_if_fail (GTK_IS_WX_TREE_MODEL (sortable) );
+    g_return_if_fail (func != NULL);
+
+    wxPrintf( "wxgtk_tree_model_set_default_sort_func\n" );
+}
+
+gboolean wxgtk_tree_model_has_default_sort_func (GtkTreeSortable        *sortable)
 {
     return FALSE;
 }
 {
     return FALSE;
 }
@@ -588,13 +826,13 @@ static GtkCellEditable *gtk_wx_cell_renderer_start_editing(
 //    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( rect.x, rect.y, rect.width, rect.height );
     wxRect renderrect( cell_area->x, cell_area->y, cell_area->width, cell_area->height );
 
-    wxDataViewListModel *model = cell->GetOwner()->GetOwner()->GetModel();
-
     GtkTreePath *treepath = gtk_tree_path_new_from_string( path );
     GtkTreePath *treepath = gtk_tree_path_new_from_string( path );
-    unsigned int model_row = (unsigned int)gtk_tree_path_get_indices (treepath)[0];
+    GtkTreeIter iter;
+    cell->GetOwner()->GetOwner()->GtkGetInternal()->get_iter( &iter, treepath );
+    wxDataViewItem item( (void*) iter.user_data );
     gtk_tree_path_free( treepath );
 
     gtk_tree_path_free( treepath );
 
-    cell->StartEditing( model_row, renderrect );
+    cell->StartEditing( item, renderrect );
 
     return NULL;
 }
 
     return NULL;
 }
@@ -722,10 +960,11 @@ gtk_wx_cell_renderer_activate(
 
     wxRect renderrect( rect.x, rect.y, rect.width, rect.height );
 
 
     wxRect renderrect( rect.x, rect.y, rect.width, rect.height );
 
-    wxDataViewListModel *model = cell->GetOwner()->GetOwner()->GetModel();
+    wxDataViewModel *model = cell->GetOwner()->GetOwner()->GetModel();
 
     GtkTreePath *treepath = gtk_tree_path_new_from_string( path );
 
     GtkTreePath *treepath = gtk_tree_path_new_from_string( path );
-    unsigned int model_row = (unsigned int)gtk_tree_path_get_indices (treepath)[0];
+    // TODO
+    wxDataViewItem item;
     gtk_tree_path_free( treepath );
 
     unsigned int model_col = cell->GetOwner()->GetModelColumn();
     gtk_tree_path_free( treepath );
 
     unsigned int model_col = cell->GetOwner()->GetModelColumn();
@@ -735,7 +974,7 @@ gtk_wx_cell_renderer_activate(
         bool ret = false;
 
         // activated by <ENTER>
         bool ret = false;
 
         // activated by <ENTER>
-        if (cell->Activate( renderrect, model, model_col, model_row ))
+        if (cell->Activate( renderrect, model, item, model_col ))
                     ret = true;
 
         return ret;
                     ret = true;
 
         return ret;
@@ -749,16 +988,16 @@ gtk_wx_cell_renderer_activate(
         bool ret = false;
         if (button_event->button == 1)
         {
         bool ret = false;
         if (button_event->button == 1)
         {
-            if (cell->LeftClick( pt, renderrect, model, model_col, model_row ))
+            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)
                 ret = true;
             // TODO: query system double-click time
             if (button_event->time - wxrenderer->last_click < 400)
-                if (cell->Activate( renderrect, model, model_col, model_row ))
+                if (cell->Activate( renderrect, model, item, model_col ))
                     ret = true;
         }
         if (button_event->button == 3)
         {
                     ret = true;
         }
         if (button_event->button == 3)
         {
-            if (cell->RightClick( pt, renderrect, model, model_col, model_row ))
+            if (cell->RightClick( pt, renderrect, model, item, model_col ))
                 ret = true;
         }
 
                 ret = true;
         }
 
@@ -771,169 +1010,150 @@ gtk_wx_cell_renderer_activate(
 }
 
 // ---------------------------------------------------------
 }
 
 // ---------------------------------------------------------
-// wxGtkDataViewListModelNotifier
+// wxGtkDataViewModelNotifier
 // ---------------------------------------------------------
 
 // ---------------------------------------------------------
 
-class wxGtkDataViewListModelNotifier: public wxDataViewListModelNotifier
+class wxGtkDataViewModelNotifier: public wxDataViewModelNotifier
 {
 public:
 {
 public:
-    wxGtkDataViewListModelNotifier( GtkWxListStore* gtk_store, wxDataViewListModel *wx_model );
-
-    virtual bool RowAppended();
-    virtual bool RowPrepended();
-    virtual bool RowInserted( unsigned int before );
-    virtual bool RowDeleted( unsigned int row );
-    virtual bool RowChanged( unsigned int row );
-    virtual bool ValueChanged( unsigned int col, unsigned int row );
-    virtual bool RowsReordered( unsigned int *new_order );
+    wxGtkDataViewModelNotifier( GtkWxTreeModel  *wxgtk_model,
+                                wxDataViewModel *wx_model,
+                                wxDataViewCtrl  *ctrl );
+    ~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 Cleared();
     virtual bool Cleared();
+    virtual void Resort();
 
 
-    virtual bool Freed()
-    {
-        m_wx_model = NULL;
-        m_gtk_store = NULL;
-        return wxDataViewListModelNotifier::Freed();
-    }
-
-    GtkWxListStore      *m_gtk_store;
-    wxDataViewListModel *m_wx_model;
+    GtkWxTreeModel      *m_wxgtk_model;
+    wxDataViewModel     *m_wx_model;
+    wxDataViewCtrl      *m_owner;
 };
 
 // ---------------------------------------------------------
 // wxGtkDataViewListModelNotifier
 // ---------------------------------------------------------
 
 };
 
 // ---------------------------------------------------------
 // wxGtkDataViewListModelNotifier
 // ---------------------------------------------------------
 
-wxGtkDataViewListModelNotifier::wxGtkDataViewListModelNotifier(
-    GtkWxListStore* gtk_store, wxDataViewListModel *wx_model )
+wxGtkDataViewModelNotifier::wxGtkDataViewModelNotifier(
+    GtkWxTreeModel* wxgtk_model, wxDataViewModel *wx_model,
+    wxDataViewCtrl *ctrl )
 {
 {
-    m_gtk_store = gtk_store;
+    m_wxgtk_model = wxgtk_model;
     m_wx_model = wx_model;
     m_wx_model = wx_model;
+    m_owner = ctrl;
 }
 
 }
 
-bool wxGtkDataViewListModelNotifier::RowAppended()
+wxGtkDataViewModelNotifier::~wxGtkDataViewModelNotifier()
 {
 {
-    unsigned int pos = m_wx_model->GetRowCount()-1;
-
-    GtkTreeIter iter;
-    iter.stamp = m_gtk_store->stamp;
-    iter.user_data = (gpointer) pos;
-
-    GtkTreePath *path = gtk_tree_path_new ();
-    gtk_tree_path_append_index (path, (gint) pos);
-    gtk_tree_model_row_inserted (GTK_TREE_MODEL (m_gtk_store), path, &iter);
-    gtk_tree_path_free (path);
-
-    return true;
+    m_wx_model = NULL;
+    m_wxgtk_model = NULL;
 }
 
 }
 
-bool wxGtkDataViewListModelNotifier::RowPrepended()
+bool wxGtkDataViewModelNotifier::ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item )
 {
 {
+    m_owner->GtkGetInternal()->ItemAdded( parent, item );
+
     GtkTreeIter iter;
     GtkTreeIter iter;
-    iter.stamp = m_gtk_store->stamp;
-    iter.user_data = (gpointer) 0;
+    iter.stamp = m_wxgtk_model->stamp;
+    iter.user_data = (gpointer) item.GetID();
 
 
-    GtkTreePath *path = gtk_tree_path_new ();
-    gtk_tree_path_append_index (path, (gint) 0);
-    gtk_tree_model_row_inserted (GTK_TREE_MODEL (m_gtk_store), path, &iter);
+    GtkTreePath *path = wxgtk_tree_model_get_path( 
+        GTK_TREE_MODEL(m_wxgtk_model), &iter );
+    gtk_tree_model_row_inserted( 
+        GTK_TREE_MODEL(m_wxgtk_model), path, &iter);
     gtk_tree_path_free (path);
 
     return true;
 }
 
     gtk_tree_path_free (path);
 
     return true;
 }
 
-bool wxGtkDataViewListModelNotifier::RowInserted( unsigned int before )
+bool wxGtkDataViewModelNotifier::ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
 {
     GtkTreeIter iter;
 {
     GtkTreeIter iter;
-    iter.stamp = m_gtk_store->stamp;
-    iter.user_data = (gpointer) before;
+    iter.stamp = m_wxgtk_model->stamp;
+    iter.user_data = (gpointer) item.GetID();
 
 
-    GtkTreePath *path = gtk_tree_path_new ();
-    gtk_tree_path_append_index (path, (gint) before);
-    gtk_tree_model_row_inserted (GTK_TREE_MODEL (m_gtk_store), path, &iter);
+    GtkTreePath *path = wxgtk_tree_model_get_path_safe( 
+        GTK_TREE_MODEL(m_wxgtk_model), &iter );
+    gtk_tree_model_row_deleted(
+        GTK_TREE_MODEL(m_wxgtk_model), path );
     gtk_tree_path_free (path);
 
     gtk_tree_path_free (path);
 
+    m_owner->GtkGetInternal()->ItemDeleted( parent, item );
+    
     return true;
 }
 
     return true;
 }
 
-bool wxGtkDataViewListModelNotifier::RowDeleted( unsigned int row )
+void wxGtkDataViewModelNotifier::Resort()
 {
 {
-    GtkTreePath *path = gtk_tree_path_new ();
-    gtk_tree_path_append_index (path, (gint) row);
-    gtk_tree_model_row_deleted (GTK_TREE_MODEL (m_gtk_store), path);
-    gtk_tree_path_free (path);
-
-    return true;
+    m_owner->GtkGetInternal()->Resort();
 }
 
 }
 
-bool wxGtkDataViewListModelNotifier::RowChanged( unsigned int row )
+bool wxGtkDataViewModelNotifier::ItemChanged( const wxDataViewItem &item )
 {
     GtkTreeIter iter;
 {
     GtkTreeIter iter;
-    iter.stamp = m_gtk_store->stamp;
-    iter.user_data = (gpointer) row;
-    GtkTreePath *path = gtk_tree_model_get_path (GTK_TREE_MODEL (m_gtk_store), &iter);
-    gtk_tree_model_row_changed (GTK_TREE_MODEL (m_gtk_store), path, &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 );
+    gtk_tree_model_row_changed(
+        GTK_TREE_MODEL(m_wxgtk_model), path, &iter );
     gtk_tree_path_free (path);
 
     gtk_tree_path_free (path);
 
+    m_owner->GtkGetInternal()->ItemChanged( item );
+    
     return true;
 }
 
     return true;
 }
 
-bool wxGtkDataViewListModelNotifier::ValueChanged( unsigned int model_col, unsigned int model_row )
+bool wxGtkDataViewModelNotifier::ValueChanged( const wxDataViewItem &item, unsigned int model_col )
 {
     // This adds GTK+'s missing MVC logic for ValueChanged
 {
     // This adds GTK+'s missing MVC logic for ValueChanged
-    wxObjectList::compatibility_iterator
-        node = GetOwner()->m_viewingColumns.GetFirst();
-    while (node)
+    unsigned int index;
+    for (index = 0; index < m_owner->GetColumnCount(); index++)
     {
     {
-        wxDataViewViewingColumn* viewing_column = (wxDataViewViewingColumn*) node->GetData();
-        if (viewing_column->m_modelColumn == model_col)
+        wxDataViewColumn *column = m_owner->GetColumn( index );
+        if (column->GetModelColumn() == model_col)
         {
         {
-            GtkTreeView *widget = GTK_TREE_VIEW(viewing_column->m_viewColumn->GetOwner()->m_treeview);
-            GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(viewing_column->m_viewColumn->GetGtkHandle());
+            GtkTreeView *widget = GTK_TREE_VIEW(m_owner->m_treeview);
+            GtkTreeViewColumn *gcolumn = GTK_TREE_VIEW_COLUMN(column->GetGtkHandle());
 
             // Get cell area
 
             // Get cell area
-            GtkTreePath *path = gtk_tree_path_new();
-            gtk_tree_path_append_index( path, model_row );
+            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;
             GdkRectangle cell_area;
-            gtk_tree_view_get_cell_area( widget, path, column, &cell_area );
+            gtk_tree_view_get_cell_area( widget, path, gcolumn, &cell_area );
             gtk_tree_path_free( path );
 
             gtk_tree_path_free( path );
 
-            int ydiff = column->button->allocation.height;
+            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),
             // Redraw
             gtk_widget_queue_draw_area( GTK_WIDGET(widget),
-                cell_area.x, ydiff + cell_area.y, cell_area.width, cell_area.height );
+                cell_area.x - xdiff, ydiff + cell_area.y, cell_area.width, cell_area.height );
+                
+            m_owner->GtkGetInternal()->ValueChanged( item, model_col );
+            
+            return true;
         }
         }
-
-        node = node->GetNext();
     }
 
     }
 
-    return true;
+    return false;
 }
 
 }
 
-bool wxGtkDataViewListModelNotifier::RowsReordered( unsigned int *new_order )
+bool wxGtkDataViewModelNotifier::Cleared()
 {
 {
-    // Assume sizeof(unsigned int)= == sizeof(gint)
-
-    GtkTreePath *path = gtk_tree_path_new ();
-    gtk_tree_model_rows_reordered (GTK_TREE_MODEL (m_gtk_store), path, NULL, (gint*)new_order);
-    gtk_tree_path_free (path);
-
-    // This adds GTK+'s missing MVC logic for RowsReordered
-    wxObjectList::compatibility_iterator
-        node = GetOwner()->m_viewingColumns.GetFirst();
-    while (node)
-    {
-        wxDataViewViewingColumn* viewing_column = (wxDataViewViewingColumn*) node->GetData();
-        GtkTreeView *widget = GTK_TREE_VIEW(viewing_column->m_viewColumn->GetOwner()->m_treeview);
-        // Doesn't work yet...
-        gtk_widget_queue_draw( GTK_WIDGET(widget) );
-
-        node = node->GetNext();
-    }
+    // TODO: delete everything
 
 
-    return true;
-}
-
-bool wxGtkDataViewListModelNotifier::Cleared()
-{
+    m_owner->GtkGetInternal()->Cleared();
+    
     return false;
 }
 
     return false;
 }
 
@@ -1086,16 +1306,18 @@ static void wxGtkTextRendererEditedCallback( GtkCellRendererText *renderer,
     if (!cell->Validate( value ))
         return;
 
     if (!cell->Validate( value ))
         return;
 
-    wxDataViewListModel *model = cell->GetOwner()->GetOwner()->GetModel();
+    wxDataViewModel *model = cell->GetOwner()->GetOwner()->GetModel();
 
     GtkTreePath *path = gtk_tree_path_new_from_string( arg1 );
 
     GtkTreePath *path = gtk_tree_path_new_from_string( arg1 );
-    unsigned int model_row = (unsigned int)gtk_tree_path_get_indices (path)[0];
+    GtkTreeIter iter;
+    cell->GetOwner()->GetOwner()->GtkGetInternal()->get_iter( &iter, path );
+    wxDataViewItem item( (void*) iter.user_data );;
     gtk_tree_path_free( path );
 
     unsigned int model_col = cell->GetOwner()->GetModelColumn();
 
     gtk_tree_path_free( path );
 
     unsigned int model_col = cell->GetOwner()->GetModelColumn();
 
-    model->SetValue( value, model_col, model_row );
-    model->ValueChanged( model_col, model_row );
+    model->SetValue( value, item, model_col );
+    model->ValueChanged( item, model_col );
 }
 
 IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewRenderer)
 }
 
 IMPLEMENT_CLASS(wxDataViewTextRenderer, wxDataViewRenderer)
@@ -1104,7 +1326,7 @@ wxDataViewTextRenderer::wxDataViewTextRenderer( const wxString &varianttype, wxD
                                                 int align ) :
     wxDataViewRenderer( varianttype, mode, align )
 {
                                                 int align ) :
     wxDataViewRenderer( varianttype, mode, align )
 {
-    m_renderer = (GtkWidget*) gtk_cell_renderer_text_new();
+    m_renderer = (GtkCellRenderer*) gtk_cell_renderer_text_new();
 
     if (mode & wxDATAVIEW_CELL_EDITABLE)
     {
 
     if (mode & wxDATAVIEW_CELL_EDITABLE)
     {
@@ -1179,7 +1401,7 @@ wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype,
                                                     int align ) :
     wxDataViewRenderer( varianttype, mode, align )
 {
                                                     int align ) :
     wxDataViewRenderer( varianttype, mode, align )
 {
-    m_renderer = (GtkWidget*) gtk_cell_renderer_pixbuf_new();
+    m_renderer = (GtkCellRenderer*) gtk_cell_renderer_pixbuf_new();
 
     SetMode(mode);
     SetAlignment(align);
 
     SetMode(mode);
     SetAlignment(align);
@@ -1258,16 +1480,18 @@ static void wxGtkToggleRendererToggledCallback( GtkCellRendererToggle *renderer,
     if (!cell->Validate( value ))
         return;
 
     if (!cell->Validate( value ))
         return;
 
-    wxDataViewListModel *model = cell->GetOwner()->GetOwner()->GetModel();
+    wxDataViewModel *model = cell->GetOwner()->GetOwner()->GetModel();
 
     GtkTreePath *gtk_path = gtk_tree_path_new_from_string( path );
 
     GtkTreePath *gtk_path = gtk_tree_path_new_from_string( path );
-    unsigned int model_row = (unsigned int)gtk_tree_path_get_indices (gtk_path)[0];
+    GtkTreeIter iter;
+    cell->GetOwner()->GetOwner()->GtkGetInternal()->get_iter( &iter, gtk_path );
+    wxDataViewItem item( (void*) iter.user_data );;
     gtk_tree_path_free( gtk_path );
 
     unsigned int model_col = cell->GetOwner()->GetModelColumn();
 
     gtk_tree_path_free( gtk_path );
 
     unsigned int model_col = cell->GetOwner()->GetModelColumn();
 
-    model->SetValue( value, model_col, model_row );
-    model->ValueChanged( model_col, model_row );
+    model->SetValue( value, item, model_col );
+    model->ValueChanged( item, model_col );
 }
 
 IMPLEMENT_CLASS(wxDataViewToggleRenderer, wxDataViewRenderer)
 }
 
 IMPLEMENT_CLASS(wxDataViewToggleRenderer, wxDataViewRenderer)
@@ -1276,7 +1500,7 @@ wxDataViewToggleRenderer::wxDataViewToggleRenderer( const wxString &varianttype,
                                                     wxDataViewCellMode mode, int align ) :
     wxDataViewRenderer( varianttype, mode, align )
 {
                                                     wxDataViewCellMode mode, int align ) :
     wxDataViewRenderer( varianttype, mode, align )
 {
-    m_renderer = (GtkWidget*) gtk_cell_renderer_toggle_new();
+    m_renderer = (GtkCellRenderer*) gtk_cell_renderer_toggle_new();
 
     if (mode & wxDATAVIEW_CELL_ACTIVATABLE)
     {
 
     if (mode & wxDATAVIEW_CELL_ACTIVATABLE)
     {
@@ -1371,7 +1595,7 @@ bool wxDataViewCustomRenderer::Init(wxDataViewCellMode mode, int align)
     GtkWxCellRenderer *renderer = (GtkWxCellRenderer *) gtk_wx_cell_renderer_new();
     renderer->cell = this;
 
     GtkWxCellRenderer *renderer = (GtkWxCellRenderer *) gtk_wx_cell_renderer_new();
     renderer->cell = this;
 
-    m_renderer = (GtkWidget*) renderer;
+    m_renderer = (GtkCellRenderer*) renderer;
 
     SetMode(mode);
     SetAlignment(align);
 
     SetMode(mode);
     SetAlignment(align);
@@ -1415,7 +1639,7 @@ wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
 #ifdef __WXGTK26__
     if (!gtk_check_version(2,6,0))
     {
 #ifdef __WXGTK26__
     if (!gtk_check_version(2,6,0))
     {
-        m_renderer = (GtkWidget*) gtk_cell_renderer_progress_new();
+        m_renderer = (GtkCellRenderer*) gtk_cell_renderer_progress_new();
 
         GValue gvalue = { 0, };
         g_value_init( &gvalue, G_TYPE_STRING );
 
         GValue gvalue = { 0, };
         g_value_init( &gvalue, G_TYPE_STRING );
@@ -1498,12 +1722,12 @@ class wxDataViewDateRendererPopupTransient: public wxPopupTransientWindow
 {
 public:
     wxDataViewDateRendererPopupTransient( wxWindow* parent, wxDateTime *value,
 {
 public:
     wxDataViewDateRendererPopupTransient( wxWindow* parent, wxDateTime *value,
-        wxDataViewListModel *model, unsigned int col, unsigned int row ) :
+        wxDataViewModel *model, const wxDataViewItem &item, unsigned int col ) :
         wxPopupTransientWindow( parent, wxBORDER_SIMPLE )
     {
         m_model = model;
         wxPopupTransientWindow( parent, wxBORDER_SIMPLE )
     {
         m_model = model;
+        m_item = item;
         m_col = col;
         m_col = col;
-        m_row = row;
         m_cal = new wxCalendarCtrl( this, -1, *value );
         wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL );
         sizer->Add( m_cal, 1, wxGROW );
         m_cal = new wxCalendarCtrl( this, -1, *value );
         wxBoxSizer *sizer = new wxBoxSizer( wxHORIZONTAL );
         sizer->Add( m_cal, 1, wxGROW );
@@ -1517,10 +1741,10 @@ public:
 
     void OnCalendar( wxCalendarEvent &event );
 
 
     void OnCalendar( wxCalendarEvent &event );
 
-    wxCalendarCtrl      *m_cal;
-    wxDataViewListModel *m_model;
-    unsigned int               m_col;
-    unsigned int               m_row;
+    wxCalendarCtrl   *m_cal;
+    wxDataViewModel  *m_model;
+    wxDataViewItem    m_item;
+    unsigned int      m_col;
 
 private:
     DECLARE_EVENT_TABLE()
 
 private:
     DECLARE_EVENT_TABLE()
@@ -1534,8 +1758,8 @@ void wxDataViewDateRendererPopupTransient::OnCalendar( wxCalendarEvent &event )
 {
     wxDateTime date = event.GetDate();
     wxVariant value = date;
 {
     wxDateTime date = event.GetDate();
     wxVariant value = date;
-    m_model->SetValue( value, m_col, m_row );
-    m_model->ValueChanged( m_col, m_row );
+    m_model->SetValue( value, m_item, m_col );
+    m_model->ValueChanged( m_item, m_col );
     DismissAndNotify();
 }
 
     DismissAndNotify();
 }
 
@@ -1578,15 +1802,15 @@ wxSize wxDataViewDateRenderer::GetSize() const
     return wxSize(x,y+d);
 }
 
     return wxSize(x,y+d);
 }
 
-bool wxDataViewDateRenderer::Activate( wxRect cell, wxDataViewListModel *model,
-                                       unsigned int col, unsigned int row )
+bool wxDataViewDateRenderer::Activate( wxRect cell, wxDataViewModel *model,
+                                       const wxDataViewItem &item, unsigned int col )
 {
     wxVariant variant;
 {
     wxVariant variant;
-    model->GetValue( variant, col, row );
+    model->GetValue( variant, item, col );
     wxDateTime value = variant.GetDateTime();
 
     wxDataViewDateRendererPopupTransient *popup = new wxDataViewDateRendererPopupTransient(
     wxDateTime value = variant.GetDateTime();
 
     wxDataViewDateRendererPopupTransient *popup = new wxDataViewDateRendererPopupTransient(
-        GetOwner()->GetOwner()->GetParent(), &value, model, col, row );
+        GetOwner()->GetOwner()->GetParent(), &value, model, item, col );
     wxPoint pos = wxGetMousePosition();
     popup->Move( pos );
     popup->Layout();
     wxPoint pos = wxGetMousePosition();
     popup->Move( pos );
     popup->Layout();
@@ -1606,7 +1830,7 @@ gtk_dataview_header_button_press_callback( GtkWidget *widget,
                                            wxDataViewColumn *column )
 {
     if (gdk_event->type != GDK_BUTTON_PRESS)
                                            wxDataViewColumn *column )
 {
     if (gdk_event->type != GDK_BUTTON_PRESS)
-        return TRUE;
+        return FALSE;
 
     if (gdk_event->button == 1)
     {
 
     if (gdk_event->button == 1)
     {
@@ -1614,10 +1838,11 @@ gtk_dataview_header_button_press_callback( GtkWidget *widget,
         wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, dv->GetId() );
         event.SetDataViewColumn( column );
         event.SetModel( dv->GetModel() );
         wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK, dv->GetId() );
         event.SetDataViewColumn( column );
         event.SetModel( dv->GetModel() );
-        dv->GetEventHandler()->ProcessEvent( event );
+        if (dv->GetEventHandler()->ProcessEvent( event ))
+            return TRUE;
     }
 
     }
 
-    return TRUE;
+    return FALSE;
 }
 
 extern "C" {
 }
 
 extern "C" {
@@ -1635,15 +1860,15 @@ static void wxGtkTreeCellDataFunc( GtkTreeViewColumn *column,
                             GtkTreeIter *iter,
                             gpointer data )
 {
                             GtkTreeIter *iter,
                             gpointer data )
 {
-    g_return_if_fail (GTK_IS_WX_LIST_STORE (model));
-    GtkWxListStore *list_store = (GtkWxListStore *) model;
+    g_return_if_fail (GTK_IS_WX_TREE_MODEL (model));
+    GtkWxTreeModel *tree_model = (GtkWxTreeModel *) model;
 
     wxDataViewRenderer *cell = (wxDataViewRenderer*) data;
 
 
     wxDataViewRenderer *cell = (wxDataViewRenderer*) data;
 
-    unsigned int model_row = (unsigned int) iter->user_data;
+    wxDataViewItem item( (void*) iter->user_data );
 
     wxVariant value;
 
     wxVariant value;
-    list_store->model->GetValue( value, cell->GetOwner()->GetModelColumn(), model_row );
+    tree_model->internal->GetDataViewModel()->GetValue( value, item, cell->GetOwner()->GetModelColumn() );
 
     if (value.GetType() != cell->GetVariantType())
         wxLogError( wxT("Wrong type, required: %s but: %s"),
 
     if (value.GetType() != cell->GetVariantType())
         wxLogError( wxT("Wrong type, required: %s but: %s"),
@@ -1651,6 +1876,32 @@ static void wxGtkTreeCellDataFunc( GtkTreeViewColumn *column,
                     cell->GetVariantType().c_str() );
 
     cell->SetValue( value );
                     cell->GetVariantType().c_str() );
 
     cell->SetValue( value );
+
+#if 0
+    wxListItemAttr attr;
+    tree_model->model->GetAttr( attr, cell->GetOwner()->GetModelColumn(), model_row );
+
+    if (attr.HasBackgroundColour())
+    {
+        wxColour colour = attr.GetBackgroundColour();
+        const GdkColor * const gcol = colour.GetColor();
+
+        GValue gvalue = { 0, };
+        g_value_init( &gvalue, GDK_TYPE_COLOR );
+        g_value_set_boxed( &gvalue, gcol );
+        g_object_set_property( G_OBJECT(renderer), "cell-background_gdk", &gvalue );
+        g_value_unset( &gvalue );
+    }
+    else
+    {
+        GValue gvalue = { 0, };
+        g_value_init( &gvalue, G_TYPE_BOOLEAN );
+        g_value_set_boolean( &gvalue, FALSE );
+        g_object_set_property( G_OBJECT(renderer), "cell-background-set", &gvalue );
+        g_value_unset( &gvalue );
+    }
+#endif
+
 }
 
 IMPLEMENT_CLASS(wxDataViewColumn, wxDataViewColumnBase)
 }
 
 IMPLEMENT_CLASS(wxDataViewColumn, wxDataViewColumnBase)
@@ -1832,13 +2083,17 @@ wxAlignment wxDataViewColumn::GetAlignment() const
 void wxDataViewColumn::SetSortable( bool sortable )
 {
     GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
 void wxDataViewColumn::SetSortable( bool sortable )
 {
     GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
-    gtk_tree_view_column_set_sort_indicator( column, sortable );
+    
+    if (sortable)
+        gtk_tree_view_column_set_sort_column_id( column, GetModelColumn() );
+    else
+        gtk_tree_view_column_set_sort_column_id( column, -1 );
 }
 
 bool wxDataViewColumn::IsSortable() const
 {
     GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
 }
 
 bool wxDataViewColumn::IsSortable() const
 {
     GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
-    return gtk_tree_view_column_get_sort_indicator( column );
+    return (gtk_tree_view_column_get_sort_column_id( column ) != -1);
 }
 
 bool wxDataViewColumn::IsResizeable() const
 }
 
 bool wxDataViewColumn::IsResizeable() const
@@ -1891,6 +2146,558 @@ void wxDataViewColumn::SetWidth( int width )
 }
 
 
 }
 
 
+//-----------------------------------------------------------------------------
+// wxGtkTreeModelNode
+//-----------------------------------------------------------------------------
+
+void wxGtkTreeModelNode::Resort()
+{
+    g_model = m_internal->GetDataViewModel();
+    
+    size_t child_count = GetChildCount();
+    if (child_count == 0)
+        return;
+
+    size_t node_count = GetNodesCount();
+
+    if (child_count == 1)
+    {
+        if (node_count == 1)
+        {
+            wxGtkTreeModelNode *node = m_nodes.Item( 0 );
+            node->Resort();
+        }
+        return;
+    }
+
+    wxGtkTreeModelChildren *new_array = new wxGtkTreeModelChildren( wxGtkTreeModelNodeCmp );
+
+    size_t pos;
+    for (pos = 0; pos < child_count; pos++)
+        new_array->Add( m_children->Item( pos ) );
+
+    gint *new_order = new gint[child_count];
+    
+    for (pos = 0; pos < child_count; pos++)
+    {
+        void *id = new_array->Item( pos );
+        size_t old_pos;
+        for (old_pos = 0; old_pos < child_count; old_pos++)
+        {
+            if (id == m_children->Item(old_pos))
+            {
+                new_order[pos] = old_pos;
+                break;
+            }
+        }
+    }
+        
+//    for (pos = 0; pos < count; pos++)
+//        m_children->Clear();
+    delete m_children;
+    
+    m_children = new_array;
+    
+    GtkTreeModel *gtk_tree_model = GTK_TREE_MODEL( m_internal->GetGtkModel() );
+
+    GtkTreePath *path = gtk_tree_path_new ();
+    wxGtkTreeModelNode *parent = GetParent();
+    void *id = GetItem().GetID();
+
+    while (parent)
+    {
+        int pos = parent->GetChildren().Index( id );
+        gtk_tree_path_prepend_index( path, pos );
+        id = parent->GetItem().GetID();
+        parent = parent->GetParent();
+    }
+    
+    GtkTreeIter iter;
+    iter.user_data = id;
+    iter.stamp = m_internal->GetGtkModel()->stamp;
+    gtk_tree_model_rows_reordered( gtk_tree_model, path, &iter, new_order );
+    
+    gtk_tree_path_free (path);
+    
+    delete [] new_order;
+    
+    for (pos = 0; pos < node_count; pos++)
+    {
+        wxGtkTreeModelNode *node = m_nodes.Item( pos );
+        node->Resort();
+    }
+}
+
+//-----------------------------------------------------------------------------
+// wxDataViewCtrlInternal
+//-----------------------------------------------------------------------------
+
+wxDataViewCtrlInternal::wxDataViewCtrlInternal( wxDataViewCtrl *owner, 
+    wxDataViewModel *wx_model, GtkWxTreeModel *gtk_model )
+{ 
+    m_owner = owner;
+    m_wx_model = wx_model; 
+    m_gtk_model = gtk_model; 
+    m_root = NULL; 
+    InitTree();
+}
+    
+wxDataViewCtrlInternal::~wxDataViewCtrlInternal()
+{
+    g_object_unref( m_gtk_model );
+}
+    
+void wxDataViewCtrlInternal::InitTree()
+{
+    wxDataViewItem item;
+    m_root = new wxGtkTreeModelNode( NULL, item, this );
+
+    BuildBranch( m_root );
+}
+
+void wxDataViewCtrlInternal::BuildBranch( wxGtkTreeModelNode *node )
+{
+    if (node->GetChildCount() == 0)
+    {
+        wxDataViewItem child = m_wx_model->GetFirstChild( node->GetItem() );
+        while (child.IsOk())
+        {
+            if (m_wx_model->IsContainer( child ))
+                node->AddNode( new wxGtkTreeModelNode( node, child, this ) );
+            else
+                node->AddLeave( child.GetID() );
+    
+            // Don't send any events here
+    
+            child = m_wx_model->GetNextSibling( child );
+        }
+    }
+}
+
+void wxDataViewCtrlInternal::Resort()
+{
+    m_root->Resort();
+}
+
+bool wxDataViewCtrlInternal::ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item )
+{
+    wxGtkTreeModelNode *parent_node = FindNode( parent );
+    if (m_wx_model->IsContainer( item ))
+        parent_node->AddNode( new wxGtkTreeModelNode( parent_node, item, this ) );
+    else
+        parent_node->AddLeave( item.GetID() );
+        
+    wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_MODEL_ITEM_ADDED, m_owner->GetId() );
+    event.SetEventObject( m_owner );
+    event.SetModel( m_owner->GetModel() );
+    event.SetItem( item );
+    m_owner->GetEventHandler()->ProcessEvent( event );
+
+    return true;
+}
+
+bool wxDataViewCtrlInternal::ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
+{
+    wxGtkTreeModelNode *parent_node = FindNode( parent );
+    parent_node->DeleteChild( item.GetID() );
+    
+    wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_MODEL_ITEM_DELETED, m_owner->GetId() );
+    event.SetEventObject( m_owner );
+    event.SetModel( m_owner->GetModel() );
+    event.SetItem( item );
+    m_owner->GetEventHandler()->ProcessEvent( event );
+
+    return true;
+}
+
+bool wxDataViewCtrlInternal::ItemChanged( const wxDataViewItem &item )
+{
+    wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_MODEL_ITEM_CHANGED, m_owner->GetId() );
+    event.SetEventObject( m_owner );
+    event.SetModel( m_owner->GetModel() );
+    event.SetItem( item );
+    m_owner->GetEventHandler()->ProcessEvent( event );
+    
+    return true;
+}
+
+bool wxDataViewCtrlInternal::ValueChanged( const wxDataViewItem &item, unsigned int col )
+{
+    wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_MODEL_VALUE_CHANGED, m_owner->GetId() );
+    event.SetEventObject( m_owner );
+    event.SetModel( m_owner->GetModel() );
+    event.SetColumn( col );
+    event.SetItem( item );
+    m_owner->GetEventHandler()->ProcessEvent( event );
+    
+    return true;
+}
+
+bool wxDataViewCtrlInternal::Cleared()
+{
+    wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_MODEL_CLEARED, m_owner->GetId() );
+    event.SetEventObject( m_owner );
+    event.SetModel( m_owner->GetModel() );
+    m_owner->GetEventHandler()->ProcessEvent( event );
+    
+    return true;
+}
+
+gboolean wxDataViewCtrlInternal::get_iter( GtkTreeIter *iter, GtkTreePath *path )
+{
+    g_model = m_wx_model;
+    
+    int depth = gtk_tree_path_get_depth( path );
+
+    wxGtkTreeModelNode *node = m_root;
+
+    int i;
+    for (i = 0; i < depth; i++)    
+    {
+        BuildBranch( node );
+        
+        gint pos = gtk_tree_path_get_indices (path)[i];
+        if (pos < 0) return FALSE;
+        if ((size_t)pos >= node->GetChildCount()) return FALSE;
+        
+        void* id = node->GetChildren().Item( (size_t) pos );
+        
+        if (i == depth-1)
+        {
+            iter->stamp = m_gtk_model->stamp;
+            iter->user_data = id;
+            return TRUE;
+        }
+
+        size_t count = node->GetNodes().GetCount();
+        size_t pos2;
+        for (pos2 = 0; pos2 < count; pos2++)
+        {
+            wxGtkTreeModelNode *child_node = node->GetNodes().Item( pos2 );
+            if (child_node->GetItem().GetID() == id)
+            {
+                node = child_node;
+                break;
+            }
+        }        
+    }
+
+    return FALSE;
+}
+
+GtkTreePath *wxDataViewCtrlInternal::get_path( GtkTreeIter *iter )
+{
+    g_model = m_wx_model;
+    
+    GtkTreePath *retval = gtk_tree_path_new ();
+    void *id = iter->user_data;    
+    
+    wxGtkTreeModelNode *node = FindParentNode( iter );
+    while (node)
+    {
+        int pos = node->GetChildren().Index( id );
+        gtk_tree_path_prepend_index( retval, pos );
+        
+        id = node->GetItem().GetID();
+        node = node->GetParent();
+    }
+
+    return retval;
+}
+
+GtkTreePath *wxDataViewCtrlInternal::get_path_safe( GtkTreeIter *iter )
+{
+    g_model = m_wx_model;
+    
+    GtkTreePath *retval = gtk_tree_path_new ();
+    void *id = iter->user_data;    
+    
+    wxGtkTreeModelNode *node = FindParentNode( iter );
+    while (node)
+    {
+        size_t pos;
+        for (pos = 0; pos < node->GetChildren().GetCount(); pos++)
+        {
+            if (id == node->GetChildren().Item( pos ))
+            {
+                gtk_tree_path_prepend_index( retval, (int) pos );
+                continue;
+            }
+        }
+
+        id = node->GetItem().GetID();
+        node = node->GetParent();
+    }
+
+    return retval;
+}
+
+gboolean wxDataViewCtrlInternal::iter_next( GtkTreeIter *iter )
+{
+    g_model = m_wx_model;
+    
+    wxGtkTreeModelNode *parent = FindParentNode( iter );
+    if( parent == NULL )
+        return FALSE;
+
+    unsigned int pos = parent->GetChildren().Index( iter->user_data );
+    
+    if (pos == parent->GetChildCount()-1)
+        return FALSE;
+        
+    iter->stamp = m_gtk_model->stamp;
+    iter->user_data = parent->GetChildren().Item( pos+1 );
+
+    return TRUE;
+}
+
+gboolean wxDataViewCtrlInternal::iter_children( GtkTreeIter *iter, GtkTreeIter *parent )
+{
+    g_model = m_wx_model;
+    
+    wxDataViewItem item( (void*) parent->user_data );
+    
+    if (!m_wx_model->IsContainer( item ))
+        return FALSE;
+        
+    wxGtkTreeModelNode *parent_node = FindNode( parent );
+    BuildBranch( parent_node );
+    
+    if (parent_node->GetChildCount() == 0)
+        return FALSE;
+        
+    iter->stamp = m_gtk_model->stamp;
+    iter->user_data = (gpointer) parent_node->GetChildren().Item( 0 );
+
+    return TRUE;
+}
+
+gboolean wxDataViewCtrlInternal::iter_has_child( GtkTreeIter *iter )
+{
+    g_model = m_wx_model;
+    
+    wxDataViewItem item( (void*) iter->user_data );
+    bool is_container = m_wx_model->IsContainer( item );
+    
+    if (!is_container)
+        return FALSE;
+    
+    wxGtkTreeModelNode *node = FindNode( iter );
+    BuildBranch( node );
+    
+    return (node->GetChildCount() > 0);
+}
+
+gint wxDataViewCtrlInternal::iter_n_children( GtkTreeIter *iter )
+{
+    g_model = m_wx_model;
+    
+    wxDataViewItem item( (void*) iter->user_data );
+    
+    if (!m_wx_model->IsContainer( item ))
+        return 0;
+    
+    wxGtkTreeModelNode *parent_node = FindNode( iter );
+    BuildBranch( parent_node );
+
+    // wxPrintf( "iter_n_children %d\n", parent_node->GetChildCount() );
+    
+    return parent_node->GetChildCount();
+}
+
+gboolean wxDataViewCtrlInternal::iter_nth_child( GtkTreeIter *iter, GtkTreeIter *parent, gint n )
+{
+    g_model = m_wx_model;
+    
+    void* id = NULL;
+    if (parent) id = (void*) parent->user_data;
+    wxDataViewItem item( id );
+    
+    if (!m_wx_model->IsContainer( item ))
+        return FALSE;
+    
+    wxGtkTreeModelNode *parent_node = FindNode( parent );
+    BuildBranch( parent_node );
+
+    // wxPrintf( "iter_nth_child %d\n", n );
+    
+    iter->stamp = m_gtk_model->stamp;
+    iter->user_data = parent_node->GetChildren().Item( n );
+
+    return TRUE;
+}
+
+gboolean wxDataViewCtrlInternal::iter_parent( GtkTreeIter *iter, GtkTreeIter *child )
+{
+    g_model = m_wx_model;
+
+    wxGtkTreeModelNode *node = FindParentNode( child );
+    if (!node)
+        return FALSE;
+    
+    iter->stamp = m_gtk_model->stamp;
+    iter->user_data = (gpointer) node->GetItem().GetID();
+
+    return TRUE;
+}
+    
+static wxGtkTreeModelNode*
+wxDataViewCtrlInternal_FindNode( wxDataViewModel * model, wxGtkTreeModelNode *treeNode, const wxDataViewItem &item )
+{
+    if( model == NULL )
+        return NULL;
+
+    ItemList list;
+    list.DeleteContents( true );
+    wxDataViewItem it( item );
+    while( it.IsOk() )
+    {
+        wxDataViewItem * pItem = new wxDataViewItem( it );
+        list.Insert( pItem );
+        it = model->GetParent( it );
+    }
+
+    wxGtkTreeModelNode * node = treeNode;
+    for( ItemList::compatibility_iterator n = list.GetFirst(); n; n = n->GetNext() )
+    {
+        if( node && node->GetNodes().GetCount() != 0 )
+        {
+            int len = node->GetNodes().GetCount();
+            wxGtkTreeModelNodes nodes = node->GetNodes();
+            int j = 0;
+            for( ; j < len; j ++)
+            {
+                if( nodes[j]->GetItem() == *(n->GetData()))
+                {
+                    node = nodes[j];
+                    break;
+                }    
+            }
+
+            if( j == len )
+            {
+                return NULL;
+            }
+        }
+        else
+            return NULL;
+    }
+    return node;
+
+}
+
+wxGtkTreeModelNode *wxDataViewCtrlInternal::FindNode( GtkTreeIter *iter )
+{
+    if (!iter)
+        return m_root;
+
+    wxDataViewItem item( (void*) iter->user_data );
+    if (!item.IsOk())
+        return m_root;
+    
+    wxGtkTreeModelNode *result = wxDataViewCtrlInternal_FindNode( m_wx_model, m_root, item );
+    
+    if (!result)
+    {
+        wxPrintf( "Not found %d\n", (int) iter->user_data );
+        char *crash = NULL;
+        *crash = 0;
+    }
+    
+    return result;
+}
+
+wxGtkTreeModelNode *wxDataViewCtrlInternal::FindNode( const wxDataViewItem &item )
+{
+    if (!item.IsOk())
+        return m_root;
+
+    wxGtkTreeModelNode *result = wxDataViewCtrlInternal_FindNode( m_wx_model, m_root, item );
+    
+    if (!result)
+    {
+        wxPrintf( "Not found %d\n", (int) item.GetID() );
+        char *crash = NULL;
+        *crash = 0;
+    }
+    
+    return result;
+}
+
+static wxGtkTreeModelNode*
+wxDataViewCtrlInternal_FindParentNode( wxDataViewModel * model, wxGtkTreeModelNode *treeNode, const wxDataViewItem &item )
+{
+    if( model == NULL )
+        return NULL;
+
+    ItemList list;
+    list.DeleteContents( true );
+    if( !item.IsOk() )
+        return NULL;
+
+    wxDataViewItem it( model->GetParent( item ) );
+    while( it.IsOk() )
+    {
+        wxDataViewItem * pItem = new wxDataViewItem( it );
+        list.Insert( pItem );
+        it = model->GetParent( it );
+    }
+
+    wxGtkTreeModelNode * node = treeNode;
+    for( ItemList::compatibility_iterator n = list.GetFirst(); n; n = n->GetNext() )
+    {
+        if( node && node->GetNodes().GetCount() != 0 )
+        {
+            int len = node->GetNodes().GetCount();
+            wxGtkTreeModelNodes nodes = node->GetNodes();
+            int j = 0;
+            for( ; j < len; j ++)
+            {
+                if( nodes[j]->GetItem() == *(n->GetData()))
+                {
+                    node = nodes[j];
+                    break;
+                }    
+            }
+
+            if( j == len )
+            {
+                return NULL;
+            }
+        }
+        else
+            return NULL;
+    }
+    //Examine whether the node is item's parent node
+    int len = node->GetChildCount();
+    for( int i = 0; i < len ; i ++ )
+    {
+        if( node->GetChildren().Item( i ) == item.GetID() )
+            return node;
+    }
+    return NULL;
+}
+
+wxGtkTreeModelNode *wxDataViewCtrlInternal::FindParentNode( GtkTreeIter *iter )
+{
+    if (!iter)
+        return NULL;
+        
+    wxDataViewItem item( (void*) iter->user_data );
+    if (!item.IsOk())
+        return NULL;
+
+    return wxDataViewCtrlInternal_FindParentNode( m_wx_model, m_root, item );
+}
+
+wxGtkTreeModelNode *wxDataViewCtrlInternal::FindParentNode( const wxDataViewItem &item )
+{
+    if (!item.IsOk())
+        return NULL;
+
+    return wxDataViewCtrlInternal_FindParentNode( m_wx_model, m_root, item );
+}
+
 //-----------------------------------------------------------------------------
 // wxDataViewCtrl signal callbacks
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // wxDataViewCtrl signal callbacks
 //-----------------------------------------------------------------------------
@@ -1901,8 +2708,8 @@ wxdataview_selection_changed_callback( GtkTreeSelection* selection, wxDataViewCt
     if (!GTK_WIDGET_REALIZED(dv->m_widget))
         return;
 
     if (!GTK_WIDGET_REALIZED(dv->m_widget))
         return;
 
-    wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ROW_SELECTED, dv->GetId() );
-    event.SetRow( dv->GetSelection() );
+    wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_SELECTED, dv->GetId() );
+    // TODO: item
     event.SetModel( dv->GetModel() );
     dv->GetEventHandler()->ProcessEvent( event );
 }
     event.SetModel( dv->GetModel() );
     dv->GetEventHandler()->ProcessEvent( event );
 }
@@ -1911,9 +2718,12 @@ static void
 wxdataview_row_activated_callback( GtkTreeView* treeview, GtkTreePath *path,
                                    GtkTreeViewColumn *column, wxDataViewCtrl *dv )
 {
 wxdataview_row_activated_callback( GtkTreeView* treeview, GtkTreePath *path,
                                    GtkTreeViewColumn *column, wxDataViewCtrl *dv )
 {
-    wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ROW_ACTIVATED, dv->GetId() );
-    unsigned int row = (unsigned int)gtk_tree_path_get_indices (path)[0];
-    event.SetRow( row );
+    wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, dv->GetId() );
+
+    GtkTreeIter iter;
+    dv->GtkGetInternal()->get_iter( &iter, path );
+    wxDataViewItem item( (void*) iter.user_data );;
+    event.SetItem( item );
     event.SetModel( dv->GetModel() );
     dv->GetEventHandler()->ProcessEvent( event );
 }
     event.SetModel( dv->GetModel() );
     dv->GetEventHandler()->ProcessEvent( event );
 }
@@ -1943,8 +2753,7 @@ void gtk_dataviewctrl_size_callback( GtkWidget *WXUNUSED(widget),
                                      GtkAllocation *alloc,
                                      wxDataViewCtrl *win )
 {
                                      GtkAllocation *alloc,
                                      wxDataViewCtrl *win )
 {
-
-    wxWindowList::Node *node = win->GetChildren().GetFirst();
+    wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();
     while (node)
     {
         wxWindow *child = node->GetData();
     while (node)
     {
         wxWindow *child = node->GetData();
@@ -1975,6 +2784,8 @@ wxDataViewCtrl::~wxDataViewCtrl()
     // 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 );
     // 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 );
+    
+    delete m_internal;
 }
 
 void wxDataViewCtrl::Init()
 }
 
 void wxDataViewCtrl::Init()
@@ -2037,7 +2848,9 @@ bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
     }
     else
 #endif
     }
     else
 #endif
+    {
         gtk_tree_view_set_rules_hint( GTK_TREE_VIEW(m_treeview), (style & wxDV_HORIZ_RULES) != 0 );
         gtk_tree_view_set_rules_hint( GTK_TREE_VIEW(m_treeview), (style & wxDV_HORIZ_RULES) != 0 );
+    }
 
     gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (m_widget),
         GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS);
 
     gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (m_widget),
         GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS);
@@ -2047,9 +2860,8 @@ bool wxDataViewCtrl::Create(wxWindow *parent, wxWindowID id,
 
     PostCreation(size);
 
 
     PostCreation(size);
 
-    GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
-    g_signal_connect_after (selection, "changed",
-                            G_CALLBACK (wxdataview_selection_changed_callback), this);
+    GtkEnableSelectionEvents();
+
     g_signal_connect_after (m_treeview, "row_activated",
                             G_CALLBACK (wxdataview_row_activated_callback), this);
 
     g_signal_connect_after (m_treeview, "row_activated",
                             G_CALLBACK (wxdataview_row_activated_callback), this);
 
@@ -2069,20 +2881,23 @@ void wxDataViewCtrl::OnInternalIdle()
     }
 }
 
     }
 }
 
-bool wxDataViewCtrl::AssociateModel( wxDataViewListModel *model )
+bool wxDataViewCtrl::AssociateModel( wxDataViewModel *model )
 {
     if (!wxDataViewCtrlBase::AssociateModel( model ))
         return false;
 
 {
     if (!wxDataViewCtrlBase::AssociateModel( model ))
         return false;
 
-    GtkWxListStore *gtk_store = wxgtk_list_store_new();
-    gtk_store->model = model;
+    GtkWxTreeModel *gtk_model = wxgtk_tree_model_new();
+    m_internal = new wxDataViewCtrlInternal( this, model, gtk_model );
+    gtk_model->internal = m_internal;
 
 
-    m_notifier = new wxGtkDataViewListModelNotifier( gtk_store, model );
+    m_notifier = new wxGtkDataViewModelNotifier( gtk_model, model, this );
 
     model->AddNotifier( m_notifier );
 
 
     model->AddNotifier( m_notifier );
 
-    gtk_tree_view_set_model( GTK_TREE_VIEW(m_treeview), GTK_TREE_MODEL(gtk_store) );
-    g_object_unref( gtk_store );
+    gtk_tree_view_set_model( GTK_TREE_VIEW(m_treeview), GTK_TREE_MODEL(gtk_model) );
+    
+    // unref in wxDataViewCtrlInternal
+    // g_object_unref( gtk_model );
 
     return true;
 }
 
     return true;
 }
@@ -2099,142 +2914,46 @@ bool wxDataViewCtrl::AppendColumn( wxDataViewColumn *col )
     return true;
 }
 
     return true;
 }
 
-void wxDataViewCtrl::SetSelection( int row )
+wxDataViewItem wxDataViewCtrl::GetSelection()
 {
     GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
 {
     GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
-
-    if (row < 0)
+    
+    if (m_windowStyle & wxDV_MULTIPLE)
     {
     {
-        gtk_tree_selection_unselect_all( selection );
     }
     else
     {
     }
     else
     {
-        GtkTreePath *path = gtk_tree_path_new ();
-        gtk_tree_path_append_index( path, row );
-
-        gtk_tree_selection_select_path( selection, path );
-
-        gtk_tree_path_free( path );
+        GtkTreeIter iter;
+        if (gtk_tree_selection_get_selected( selection, NULL, &iter ))
+        {
+            wxDataViewItem item( (void*) iter.user_data );
+            return item;
+        }
     }
     }
+    
+    return wxDataViewItem(0);
 }
 
 }
 
-void wxDataViewCtrl::Unselect( unsigned int row )
-{
-    GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
-
-    GtkTreePath *path = gtk_tree_path_new ();
-    gtk_tree_path_append_index( path, row );
-
-    gtk_tree_selection_unselect_path( selection, path );
-
-    gtk_tree_path_free( path );
-}
-
-void wxDataViewCtrl::SetSelectionRange( unsigned int from, unsigned int to )
+void wxDataViewCtrl::DoSetExpanderColumn()
 {
 }
 
 {
 }
 
-void wxDataViewCtrl::SetSelections( const wxArrayInt& aSelections)
+void wxDataViewCtrl::DoSetIndent()
 {
 }
 
 {
 }
 
-bool wxDataViewCtrl::IsSelected( unsigned int row ) const
+void wxDataViewCtrl::GtkDisableSelectionEvents()
 {
     GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
 {
     GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
-
-    GtkTreePath *path = gtk_tree_path_new ();
-    gtk_tree_path_append_index( path, row );
-
-    gboolean ret =  gtk_tree_selection_path_is_selected( selection, path );
-
-    gtk_tree_path_free( path );
-
-    return ret;
-}
-
-int wxDataViewCtrl::GetSelection() const
-{
-    GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
-    if (HasFlag(wxDV_MULTIPLE))
-    {
-        GtkTreeModel *model;
-        GList *list = gtk_tree_selection_get_selected_rows( selection, &model );
-
-        // do something
-        if (list)
-        {
-            // list = g_list_nth( list, 0 );  should be a noop
-            GtkTreePath *path = (GtkTreePath*) list->data;
-
-            unsigned int row = (unsigned int)gtk_tree_path_get_indices (path)[0];
-
-            // delete list
-            g_list_foreach( list, (GFunc) gtk_tree_path_free, NULL );
-            g_list_free( list );
-
-            return (int) row;
-        }
-    }
-    else
-    {
-
-        GtkTreeModel *model;
-        GtkTreeIter iter;
-        gboolean has_selection = gtk_tree_selection_get_selected( selection, &model, &iter );
-        if (has_selection)
-        {
-            unsigned int row = (wxUIntPtr) iter.user_data;
-            return (int) row;
-        }
-    }
-
-    return -1;
+    g_signal_connect_after (selection, "changed",
+                            G_CALLBACK (wxdataview_selection_changed_callback), this);
 }
 
 }
 
-int wxDataViewCtrl::GetSelections(wxArrayInt& aSelections) const
+void wxDataViewCtrl::GtkEnableSelectionEvents()
 {
 {
-    aSelections.Clear();
-
     GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
     GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
-    if (HasFlag(wxDV_MULTIPLE))
-    {
-        GtkTreeModel *model;
-        GList *list = gtk_tree_selection_get_selected_rows( selection, &model );
-
-        int count = 0;
-        while (list)
-        {
-
-            // list = g_list_nth( list, 0 );  should be a noop
-            GtkTreePath *path = (GtkTreePath*) list->data;
-
-            unsigned int row = (unsigned int)gtk_tree_path_get_indices (path)[0];
-
-            aSelections.Add( (int) row );
-
-            list = g_list_next( list );
-        }
-
-        // delete list
-        g_list_foreach( list, (GFunc) gtk_tree_path_free, NULL );
-        g_list_free( list );
-
-        return count;
-    }
-    else
-    {
-        GtkTreeModel *model;
-        GtkTreeIter iter;
-        gboolean has_selection = gtk_tree_selection_get_selected( selection, &model, &iter );
-        if (has_selection)
-        {
-            unsigned int row = (wxUIntPtr) iter.user_data;
-            aSelections.Add( (int) row );
-            return 1;
-        }
-    }
-
-    return 0;
+    g_signal_handlers_disconnect_by_func( selection,
+                            (gpointer) (wxdataview_selection_changed_callback), this);
 }
 
 // static
 }
 
 // static