[gtkmm] Widget: Added get_action_group() and list_action_prefixes().

[Murray Cumming <murrayc src gnome org>]

commit faa38d48840ae41b7787c42b4bc9f276bd7da174
Author: Murray Cumming <murrayc murrayc com>
Date:   Mon Dec 15 14:18:10 2014 +0100

    Widget: Added get_action_group() and list_action_prefixes().

 gtk/src/widget.hg       |    7 +++++++
 tools/m4/convert_gtk.m4 |    2 ++
 2 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/gtk/src/widget.hg b/gtk/src/widget.hg
index 85d38fe..3dbc95b 100644
--- a/gtk/src/widget.hg
+++ b/gtk/src/widget.hg
@@ -617,6 +617,13 @@ public:
    */
   void remove_action_group(const Glib::ustring& name);
 
+  _WRAP_METHOD(Glib::RefPtr<Gio::ActionGroup> get_action_group(const Glib::ustring& prefix), 
gtk_widget_get_action_group, refreturn)
+  _WRAP_METHOD(Glib::RefPtr<const Gio::ActionGroup> get_action_group(const Glib::ustring& prefix) const, 
gtk_widget_get_action_group, refreturn, constversion)
+
+#m4 _CONVERSION(`const 
gchar**',`std::vector<Glib::ustring>',`Glib::ArrayHandler<Glib::ustring>::array_to_vector($3, 
Glib::OWNERSHIP_SHALLOW)')
+  _WRAP_METHOD(std::vector<Glib::ustring> list_action_prefixes() const, gtk_widget_list_action_prefixes)
+
+
   _WRAP_SIGNAL(void show(),"show")
   _WRAP_SIGNAL(void hide(),"hide", custom_c_callback)
 
diff --git a/tools/m4/convert_gtk.m4 b/tools/m4/convert_gtk.m4
index 9b90251..e65a0c8 100644
--- a/tools/m4/convert_gtk.m4
+++ b/tools/m4/convert_gtk.m4
@@ -719,6 +719,8 @@ _CONVERSION(`GMenuModel*',`Glib::RefPtr<Gio::MenuModel>',`Glib::wrap($3)')
 _CONVERSION(`GMenuModel*',`Glib::RefPtr<const Gio::MenuModel>',`Glib::wrap($3)')
 
 _CONVERSION(`const 
Glib::RefPtr<Gio::ActionGroup>&',`GActionGroup*',__CONVERT_CONST_REFPTR_TO_P_SUN(Gio::ActionGroup))
+_CONVERSION(`GActionGroup*',`Glib::RefPtr<Gio::ActionGroup>',`Glib::wrap($3)')
+_CONVERSION(`GActionGroup*',`Glib::RefPtr<const Gio::ActionGroup>',`Glib::wrap($3)')
 
 _CONVERSION(`GtkDragResult',`DragResult',`($2)$3')