Module overrungl.glfw

Package overrungl.glfw

Interface IGLFWWindowFocusFun

All Superinterfaces:

Callback

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 interface IGLFWWindowFocusFun
extends Callback

IGLFWWindowFocusFun relies on preview features of the Java platform:

• IGLFWWindowFocusFun refers to one or more preview APIs: FunctionDescriptor, MemorySegment.

Programs can only use IGLFWWindowFocusFun when preview features are enabled.

Preview features may be removed in a future release, or upgraded to permanent features of the Java platform.

This is the function pointer type for window focus callbacks. A window focus callback function has the following signature:

@Invoker(IGLFWWindowFocusFun::invoke)
void functionName(MemorySegment window, boolean focused);

Since:

0.1.0

Author:

squid233

See Also:

• GLFW.setWindowFocusCallback(java.lang.foreign.MemorySegment, overrungl.glfw.IGLFWWindowFocusFun)^PREVIEW

Field Summary

Fields

Modifier and Type	Field	Description
static final FunctionDescriptorPREVIEW	DESC
static final MethodType	MTYPE

Method Summary

Modifier and Type	Method	Description
default FunctionDescriptorPREVIEW	descriptor()	Returns the function descriptor of this callback.
default MethodHandle	handle(MethodHandles.Lookup lookup)	Finds the method handle from the given method handles lookup.
void	invoke(MemorySegmentPREVIEW window, boolean focused)	The function pointer type for window focus callbacks.
default void	ninvoke(MemorySegmentPREVIEW window, int focused)

Methods inherited from interface overrungl.Callback

address, segment

Field Details

DESC

static final FunctionDescriptorPREVIEW DESC

MTYPE

static final MethodType MTYPE

Method Details

invoke

void invoke(MemorySegmentPREVIEW window,
 boolean focused)

The function pointer type for window focus callbacks.

Parameters:

window - The window that gained or lost input focus.

focused - true if the window was given input focus, or false if it lost it.

ninvoke

default void ninvoke(MemorySegmentPREVIEW window,
 int focused)

descriptor

default FunctionDescriptorPREVIEW descriptor()

Description copied from interface: Callback

Returns the function descriptor of this callback.

Specified by:

descriptor in interface Callback

Returns:

the function descriptor of this callback

handle

default MethodHandle handle(MethodHandles.Lookup lookup)
                     throws NoSuchMethodException,
IllegalAccessException

Description copied from interface: Callback

Finds the method handle from the given method handles lookup.

Specified by:

handle in interface Callback

Parameters:

lookup - the lookup

Returns:

the method handle

Throws:

NoSuchMethodException - if the method does not exist

IllegalAccessException - if access checking fails, or if the method is static, or if the method's variable arity modifier bit is set and asVarargsCollector fails