[gtkmm] ActionBar: wrap new GtkActionBar

[Juan R. Garcia Blanco <juanrgar src gnome org>]

commit f1f1bc07fe1467068e0e1993fa915ae6bb9e14bc
Author: Juan R. García Blanco <juanrgar gmail com>
Date:   Sun Feb 23 11:08:12 2014 +0100

    ActionBar: wrap new GtkActionBar
    
        * GtkActionBar now inherits from GtkBin
        * ::spacing and ::center-widget properties removed
        * Add unset_center_widget() method to allow NULL
        parameter to gtk_action_bar_set_center_widget()

 gtk/src/actionbar.ccg |    6 ++++++
 gtk/src/actionbar.hg  |   35 +++++++++++++++++++++--------------
 2 files changed, 27 insertions(+), 14 deletions(-)
---
diff --git a/gtk/src/actionbar.ccg b/gtk/src/actionbar.ccg
index 0b15ffe..174ce78 100644
--- a/gtk/src/actionbar.ccg
+++ b/gtk/src/actionbar.ccg
@@ -21,5 +21,11 @@
 
 namespace Gtk
 {
+
+void ActionBar::unset_center_widget()
+{
+  gtk_action_bar_set_center_widget(gobj(), NULL);
+}
+
 } // namespace Gtk
 
diff --git a/gtk/src/actionbar.hg b/gtk/src/actionbar.hg
index 04ce8d7..27c2e17 100644
--- a/gtk/src/actionbar.hg
+++ b/gtk/src/actionbar.hg
@@ -16,28 +16,32 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
-#include <gtkmm/container.h>
+#include <gtkmm/bin.h>
 _DEFS(gtkmm,gtk)
-_PINCLUDE(gtkmm/private/container_p.h)
+_PINCLUDE(gtkmm/private/bin_p.h)
 
 namespace Gtk
 {
 
-/** A box with a centered child.
+/** A full width bar for presenting contextual actions.
  *
- * Gtk::ActionBar is similar to a horizontal Gtk::Box, it allows to place
- * children at the start or the end. In addition, it contains an
- * internal centered box which is centered with respect to the full
- * width of the box, even if the children at either side take up
- * different amounts of space.
+ * ActionBar is designed to present contextual actions. It is
+ * expected to be displayed below the content and expand horizontally
+ * to fill the area.
  *
- * @ingroup Containers
+ * It allows placing children at the start or the end. In addition, it
+ * contains an internal centered box which is centered with respect to
+ * the full width of the box, even if the children at either side take
+ * up different amounts of space.
+ *
+ * @see Box
+ * @ingroup Widgets
  * @newin{3,12}
  */
 class ActionBar
-  : public Container
+  : public Bin
 {
-  _CLASS_GTKOBJECT(ActionBar, GtkActionBar, GTK_ACTION_BAR, Gtk::Container, GtkContainer)
+  _CLASS_GTKOBJECT(ActionBar, GtkActionBar, GTK_ACTION_BAR, Gtk::Bin, GtkBin)
 public:
 
   /** Creates a new ActionBar widget.
@@ -52,10 +56,13 @@ public:
   _WRAP_METHOD(const Widget* get_center_widget() const, gtk_action_bar_get_center_widget, constversion)
   _WRAP_METHOD(void set_center_widget(Widget& center_widget), gtk_action_bar_set_center_widget)
 
-  _WRAP_PROPERTY("spacing", int)
-  _WRAP_PROPERTY("center-widget", Widget*)
+  /** Unset the center widget.
+   *
+   * See set_center_widget().
+   */
+  void unset_center_widget();
 
-  // Gtk::ActionBar has no signals nor vfuncs as of 3.12.
+  // Gtk::ActionBar has no properties, signals nor vfuncs as of 3.12.
 };
 
 } // namespace Gtk