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// Copyright (c) 2014 by SiegeLord
//
// All rights reserved. Distributed under ZLib. For full terms see the file LICENSE.

use allegro_util::Flag;
use ffi::*;
use libc::*;
use std::mem;

#[repr(u32)]
#[derive(Copy, Clone, PartialEq, Eq, Hash, Debug)]
pub enum KeyCode
{
	A = 1,
	B = 2,
	C = 3,
	D = 4,
	E = 5,
	F = 6,
	G = 7,
	H = 8,
	I = 9,
	J = 10,
	K = 11,
	L = 12,
	M = 13,
	N = 14,
	O = 15,
	P = 16,
	Q = 17,
	R = 18,
	S = 19,
	T = 20,
	U = 21,
	V = 22,
	W = 23,
	X = 24,
	Y = 25,
	Z = 26,
	_0 = 27,
	_1 = 28,
	_2 = 29,
	_3 = 30,
	_4 = 31,
	_5 = 32,
	_6 = 33,
	_7 = 34,
	_8 = 35,
	_9 = 36,
	Pad0 = 37,
	Pad1 = 38,
	Pad2 = 39,
	Pad3 = 40,
	Pad4 = 41,
	Pad5 = 42,
	Pad6 = 43,
	Pad7 = 44,
	Pad8 = 45,
	Pad9 = 46,
	F1 = 47,
	F2 = 48,
	F3 = 49,
	F4 = 50,
	F5 = 51,
	F6 = 52,
	F7 = 53,
	F8 = 54,
	F9 = 55,
	F10 = 56,
	F11 = 57,
	F12 = 58,
	Escape = 59,
	Tilde = 60,
	Minus = 61,
	Equals = 62,
	Backspace = 63,
	Tab = 64,
	Openbrace = 65,
	Closebrace = 66,
	Enter = 67,
	Semicolon = 68,
	Quote = 69,
	Backslash = 70,
	Backslash2 = 71,
	Comma = 72,
	Fullstop = 73,
	Slash = 74,
	Space = 75,
	Insert = 76,
	Delete = 77,
	Home = 78,
	End = 79,
	PgUp = 80,
	PgDn = 81,
	Left = 82,
	Right = 83,
	Up = 84,
	Down = 85,
	PadSlash = 86,
	PadAsterisk = 87,
	PadMinus = 88,
	PadPlus = 89,
	PadDelete = 90,
	PadEnter = 91,
	PrintScreen = 92,
	Pause = 93,
	AbntC1 = 94,
	Yen = 95,
	Kana = 96,
	Convert = 97,
	NoConvert = 98,
	At = 99,
	Circumflex = 100,
	Colon2 = 101,
	Kanji = 102,
	PadEquals = 103,
	Backquote = 104,
	Semicolon2 = 105,
	Command = 106,
	Unknown = 107,

	LShift = 215,
	RShift = 216,
	LCtrl = 217,
	RCtrl = 218,
	Alt = 219,
	AltGr = 220,
	LWin = 221,
	RWin = 222,
	Menu = 223,
	ScrollLock = 224,
	NumLock = 225,
	CapsLock = 226,
}

impl KeyCode
{
	pub unsafe fn from_allegro_key(k: c_int) -> KeyCode
	{
		mem::transmute(k as u32)
	}
}

flag_type! {
	KeyModifier
	{
		SHIFT = ALLEGRO_KEYMOD_SHIFT,
		CTRL = ALLEGRO_KEYMOD_CTRL,
		ALT = ALLEGRO_KEYMOD_ALT,
		LWIN = ALLEGRO_KEYMOD_LWIN,
		RWIN = ALLEGRO_KEYMOD_RWIN,
		MENU = ALLEGRO_KEYMOD_MENU,
		ALTGR = ALLEGRO_KEYMOD_ALTGR,
		COMMAND = ALLEGRO_KEYMOD_COMMAND,
		SCROLLLOCK = ALLEGRO_KEYMOD_SCROLLLOCK,
		NUMLOCK = ALLEGRO_KEYMOD_NUMLOCK,
		CAPSLOCK = ALLEGRO_KEYMOD_CAPSLOCK,
		INALTSEQ = ALLEGRO_KEYMOD_INALTSEQ,
		ACCENT1 = ALLEGRO_KEYMOD_ACCENT1,
		ACCENT2 = ALLEGRO_KEYMOD_ACCENT2,
		ACCENT3 = ALLEGRO_KEYMOD_ACCENT3,
		ACCENT4 = ALLEGRO_KEYMOD_ACCENT4
	}
}