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A multi-platform library for OpenGL, OpenGL ES and Vulkan development on the desktop. It provides a simple API for creating windows, contexts and surfaces, receiving input and events.

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/*
 * Copyright LWJGL. All rights reserved.
 * License terms: https://www.lwjgl.org/license
 * MACHINE GENERATED FILE, DO NOT EDIT
 */
package org.lwjgl.glfw;

import org.lwjgl.system.*;

import static org.lwjgl.system.dyncall.DynCallback.*;

/** Instances of this interface may be passed to the {@link GLFW#glfwSetWindowFocusCallback SetWindowFocusCallback} method. */
@FunctionalInterface
public interface GLFWWindowFocusCallbackI extends CallbackI.V {

	String SIGNATURE = "(pi)v";

	@Override
	default String getSignature() { return SIGNATURE; }

	@Override
	default void callback(long args) {
		invoke(
			dcbArgPointer(args),
			dcbArgInt(args) != 0
		);
	}

	/**
	 * Will be called when the specified window gains or loses focus.
	 *
	 * @param window  the window that was focused or defocused
	 * @param focused {@link GLFW#GLFW_TRUE TRUE} if the window was focused, or {@link GLFW#GLFW_FALSE FALSE} if it was defocused
	 */
	void invoke(long window, boolean focused);

}