GestureDrag.connectDragUpdate

Connect to DragUpdate signal.

This signal is emitted whenever the dragging point moves.

class GestureDrag
gulong
connectDragUpdate
(
T
)
(,
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_drag.GestureDrag)
)
)
&&
Parameters!T.length < 4
)

Parameters

callback T

signal callback delegate or function to connect

void callback(double offsetX, double offsetY, gtk.gesture_drag.GestureDrag gestureDrag)

offsetX X offset, relative to the start point (optional)

offsetY Y offset, relative to the start point (optional)

gestureDrag 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: gulong

Signal ID