Documentation

GestureRotate.connectAngleChanged

gtk gesture_rotate GestureRotate

Connect to AngleChanged signal.

Emitted when the angle between both tracked points changes.

class GestureRotate
ulong
connectAngleChanged
(
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] == double)
)
)
&&
(
Parameters!T.length < 2 ||
(
ParameterStorageClassTuple!T[1] == ParameterStorageClass.none &&
is(Parameters!T[1] == double)
)
)
&&
(
Parameters!T.length < 3 ||
(
ParameterStorageClassTuple!T[2] == ParameterStorageClass.none &&
is(Parameters!T[2] : gtk.gesture_rotate.GestureRotate)
)
)
&&
Parameters!T.length < 4
)

Parameters

callback T

signal callback delegate or function to connect

void callback(double angle, double angleDelta, gtk.gesture_rotate.GestureRotate gestureRotate)

angle Current angle in radians (optional)

angleDelta Difference with the starting angle, in radians (optional)

gestureRotate 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

gtk gesture_rotate GestureRotate constructorsfunctions
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