GooCanvas.item_signalsinherit 'a GObj.gobject_signalsmethod button_press : callback:(GdkEvent.Button.t -> bool) -> GtkSignal.idmethod button_release : callback:(GdkEvent.Button.t -> bool) -> GtkSignal.idmethod enter_notify : callback:(GdkEvent.Crossing.t -> bool) -> GtkSignal.idmethod focus_in : callback:(GdkEvent.Focus.t -> bool) -> GtkSignal.idmethod focus_out : callback:(GdkEvent.Focus.t -> bool) -> GtkSignal.idmethod key_press : callback:(GdkEvent.Key.t -> bool) -> GtkSignal.idmethod key_release : callback:(GdkEvent.Key.t -> bool) -> GtkSignal.idmethod leave_notify : callback:(GdkEvent.Crossing.t -> bool) -> GtkSignal.idmethod motion_notify : callback:(GdkEvent.Motion.t -> bool) -> GtkSignal.id