GtkAction @action: the object which received the signal. @name: @label: @tooltip: @stock_id: @Returns: @action: @Returns: @action: @Returns: @action: @Returns: @action: @sensitive: @action: @Returns: @action: @Returns: @action: @visible: @action: @action: @icon_size: @Returns: @action: @Returns: @action: @Returns: @action: @Returns: @action: @proxy: @action: @proxy: @action: @Returns: @action: @action: @action: @action: @action: @proxy: @action: @proxy: @action: @Returns: @action: @always_show: @action: @Returns: @action: @accel_path: @action: @Returns: @action: @accel_group: @action: @label: @action: @Returns: @action: @short_label: @action: @Returns: @action: @tooltip: @action: @Returns: @action: @stock_id: @action: @Returns: @action: @icon: @action: @Returns: @action: @icon_name: @action: @Returns: @action: @visible_horizontal: @action: @Returns: @action: @visible_vertical: @action: @Returns: @action: @is_important: @action: @Returns: