Package org.gnome.adw
Interface SwipeTracker.EndSwipeCallback
- All Superinterfaces:
FunctionPointer
- Enclosing class:
SwipeTracker
- Functional Interface:
- This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
Functional interface declaration of the
EndSwipeCallback
callback.
- See Also:
-
Method Summary
Modifier and TypeMethodDescriptionvoid
run
(double velocity, double to) This signal is emitted as soon as the gesture has stopped.default MemorySegment
toCallback
(Arena arena) Creates a native function pointer to theupcall(java.lang.foreign.MemorySegment, double, double)
method.default void
upcall
(MemorySegment sourceSwipeTracker, double velocity, double to) Theupcall
method is called from native code.
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Method Details
-
run
void run(double velocity, double to) This signal is emitted as soon as the gesture has stopped.The user is expected to animate the deceleration from the current progress value to
to
with an animation usingvelocity
as the initial velocity, provided in pixels per second.SpringAnimation
is usually a good fit for this. -
upcall
Theupcall
method is called from native code. The parameters are marshaled andrun(double, double)
is executed. -
toCallback
Creates a native function pointer to theupcall(java.lang.foreign.MemorySegment, double, double)
method.- Specified by:
toCallback
in interfaceFunctionPointer
- Parameters:
arena
- the function pointer will be allocated in this arena- Returns:
- the native function pointer
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