Gesture.connectCancel

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.

class Gesture
ulong
connectCancel
(
T
)
(,
Flag!"After" after = No.After
)
if (
isCallable!T &&
is(ReturnType!T == void)
&&
(
Parameters!T.length < 1 ||
(
ParameterStorageClassTuple!T[0] == ParameterStorageClass.none &&
)
)
&&
(
Parameters!T.length < 2 ||
(
ParameterStorageClassTuple!T[1] == ParameterStorageClass.none &&
is(Parameters!T[1] : gtk.gesture.Gesture)
)
)
&&
Parameters!T.length < 3
)

Parameters

callback T

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 Flag!"After"

Yes.After to execute callback after default handler, No.After to execute before (default)

Return Value

Type: ulong

Signal ID