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:
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Method Summary
Modifier and TypeMethodDescriptionvoidrun(double velocity, double to) This signal is emitted as soon as the gesture has stopped.default MemorySegmenttoCallback(Arena arena) Creates a native function pointer to theupcall(java.lang.foreign.MemorySegment, double, double)method.default voidupcall(MemorySegment sourceSwipeTracker, double velocity, double to) Theupcallmethod is called from native code.
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Method Details
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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
towith an animation usingvelocityas the initial velocity, provided in pixels per second.SpringAnimationis usually a good fit for this. -
upcall
Theupcallmethod 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:
toCallbackin interfaceFunctionPointer- Parameters:
arena- the arena in which the function pointer is allocated- Returns:
- the native function pointer
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