GtkIMContext @context: @window: @context: @str: @attrs: @cursor_pos: @context: @event: @Returns: @context: @context: @context: @context: @area: @context: @use_preedit: @imcontext: the object which received the signal. @arg1: @imcontext: the object which received the signal. @imcontext: the object which received the signal. @imcontext: the object which received the signal.