GdictSourceChooser @gdictsourcechooser: the object which received the signal. @gdictsourcechooser: the object which received the signal. @arg1: @arg2: @source_activated: @selection_changed: @void: @Returns: @loader: @Returns: @chooser: @Returns: @chooser: @loader: @chooser: @length: @Returns: @chooser: @Returns: @chooser: @source_name: @Returns: @chooser: @chooser: @source_name: @Returns: @chooser: @source_name: @Returns: @chooser: @Returns: @chooser: @source_name: @Returns: @chooser: @button_text: @Returns: