SwipeTracker.connectPrepare

gulong connectPrepare(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]  ==  adw.types.NavigationDirection)))
   && (Parameters!T.length <  2 || (ParameterStorageClassTuple!T[1]  ==  ParameterStorageClass.none &&  is(Parameters!T[1] :  adw.swipe_tracker.SwipeTracker)))
   &&  Parameters!T.length <  3)

Connect to Prepare signal.

This signal is emitted when a possible swipe is detected.

The direction value can be used to restrict the swipe to a certain direction.

Parameters

`callback`	signal callback delegate or function to connect `void callback(adw.types.NavigationDirection direction, adw.swipe_tracker.SwipeTracker swipeTracker)` `direction` the direction of the swipe (optional) `swipeTracker` 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