Package org.gnome.gtk

Interface GestureClick.ReleasedCallback

All Superinterfaces:

FunctionPointer

Enclosing class:

GestureClick

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public static interface GestureClick.ReleasedCallback
extends FunctionPointer

Functional interface declaration of the ReleasedCallback callback.

See Also:

• run(int, double, double)

Method Summary

Modifier and Type	Method	Description
void	run(int nPress, double x, double y)	Emitted when a button or touch is released.
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment, int, double, double) method.
default void	upcall(MemorySegment sourceGestureClick, int nPress, double x, double y)	The upcall method is called from native code.

Method Details

run

void run(int nPress,
 double x,
 double y)

Emitted when a button or touch is released.

nPress will report the number of press that is paired to this event, note that Gtk.GestureClick::stopped may have been emitted between the press and its release, nPress will only start over at the next press.

upcall

default void upcall(MemorySegment sourceGestureClick,
 int nPress,
 double x,
 double y)

The upcall method is called from native code. The parameters are marshaled and run(int, double, double) is executed.

toCallback

default MemorySegment toCallback(Arena arena)

Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment, int, double, double) method.

Specified by:

toCallback in interface FunctionPointer

Parameters:

arena - the function pointer will be allocated in this arena

Returns:

the native function pointer