Gesture.connectCancel
gulong connectCancel(T)(T callback, Flag!"After" after = No.After) if (isCallable!T
&& is(ReturnType!T == void)
&& (Parameters!T.length < 1 || (ParameterStorageClassTuple!T[0] == ParameterStorageClass.none && is(Parameters!T[0] == gdk.event_sequence.EventSequence)))
&& (Parameters!T.length < 2 || (ParameterStorageClassTuple!T[1] == ParameterStorageClass.none && is(Parameters!T[1] : gtk.gesture.Gesture)))
&& Parameters!T.length < 3)Connect to Cancel signal.
Emitted whenever a sequence is cancelled.
This usually happens on active touches when [gtk.event_controller.EventController.reset] is called on gesture (manually, due to grabs...), or the individual sequence was claimed by parent widgets' controllers (see [gtk.gesture.Gesture.setSequenceState]).
gesture must forget everything about sequence as in response to this signal.
Parameters
callback | signal callback delegate or function to connect void callback(gdk.event_sequence.EventSequence sequence, gtk.gesture.Gesture gesture) sequence the [gdk.event_sequence.EventSequence] that was cancelled (optional) gesture the instance the signal is connected to (optional) |
after | Yes.After to execute callback after default handler, No.After to execute before (default) |
Returns
Signal ID