package net.shadowfacts.cacao.util

import org.lwjgl.glfw.GLFW

/**
 * A set of modifier keys that are being pressed at given instant.
 *
 * @author shadowfacts
 * @param value The integer representation of the pressed modifiers as received from GLFW.
 */
class KeyModifiers(val value: Int) {

	val shift: Boolean
		get() = this[GLFW.GLFW_MOD_SHIFT]

	val control: Boolean
		get() = this[GLFW.GLFW_MOD_CONTROL]

	val alt: Boolean
		get() = this[GLFW.GLFW_MOD_ALT]

	val command: Boolean
		get() = this[GLFW.GLFW_MOD_SUPER]

	val capsLock: Boolean
		get() = this[GLFW.GLFW_MOD_CAPS_LOCK]

	val numLock: Boolean
		get() = this[GLFW.GLFW_MOD_NUM_LOCK]

	private operator fun get(mod: Int): Boolean {
		return (value and mod) == mod
	}

}