/*
===========================================================================

Doom 3 GPL Source Code
Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.

This file is part of the Doom 3 GPL Source Code ("Doom 3 Source Code").

Doom 3 Source Code is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

Doom 3 Source Code is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Doom 3 Source Code.  If not, see <http://www.gnu.org/licenses/>.

In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code.  If not, please request a copy in writing from id Software at the address below.

If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.

===========================================================================
*/

#ifndef __KEYINPUT_H__
#define __KEYINPUT_H__

#include "idlib/CmdArgs.h"

class idFile;

/*
===============================================================================

	Key Input

===============================================================================
*/

// these are the key numbers that are used by the key system
// normal keys should be passed as lowercased ascii
// Some high ascii (> 127) characters that are mapped directly to keys on
// western european keyboards are inserted in this table so that those keys
// are bindable (otherwise they get bound as one of the special keys in this
// table)
typedef enum {

	// DG: please don't change any existing constants for keyboard keys below (or recreate the tables in win_input.cpp)!

	K_TAB = 9,
	K_ENTER = 13,
	K_ESCAPE = 27,
	K_SPACE = 32,

	K_BACKSPACE = 127,

	K_COMMAND = 128,
	K_CAPSLOCK,
	K_SCROLL,
	K_POWER,
	K_PAUSE,

	K_UPARROW = 133,
	K_DOWNARROW,
	K_LEFTARROW,
	K_RIGHTARROW,

	// The 3 windows keys
	K_LWIN = 137,
	K_RWIN,
	K_MENU,

	K_ALT = 140,
	K_CTRL,
	K_SHIFT,
	K_INS,
	K_DEL,
	K_PGDN,
	K_PGUP,
	K_HOME,
	K_END,

	K_F1 = 149,
	K_F2,
	K_F3,
	K_F4,
	K_F5,
	K_F6,
	K_F7,
	K_F8,
	K_F9,
	K_F10,
	K_F11,
	K_F12,
	K_INVERTED_EXCLAMATION = 161,	// upside down !
	K_F13,
	K_F14,
	K_F15,

	K_KP_HOME = 165,
	K_KP_UPARROW,
	K_KP_PGUP,
	K_KP_LEFTARROW,
	K_KP_5,
	K_KP_RIGHTARROW,
	K_KP_END,
	K_KP_DOWNARROW,
	K_KP_PGDN,
	K_KP_ENTER,
	K_KP_INS,
	K_KP_DEL,
	K_KP_SLASH,
	K_SUPERSCRIPT_TWO = 178,		// superscript 2
	K_KP_MINUS,
	K_ACUTE_ACCENT = 180,			// accute accent
	K_KP_PLUS,
	K_KP_NUMLOCK,
	K_KP_STAR,
	K_KP_EQUALS,

	// DG: please don't change any existing constants above this one (or recreate the tables in win_input.cpp)!

	K_MASCULINE_ORDINATOR = 186,
	// K_MOUSE enums must be contiguous (no char codes in the middle)
	K_MOUSE1 = 187,
	K_MOUSE2,
	K_MOUSE3,
	K_MOUSE4,
	K_MOUSE5,
	K_MOUSE6,
	K_MOUSE7,
	K_MOUSE8,

	K_MWHEELDOWN = 195,
	K_MWHEELUP,

	K_JOY1 = 197,
	K_JOY2,
	K_JOY3,
	K_JOY4,
	K_JOY5,
	K_JOY6,
	K_JOY7,
	K_JOY8,
	K_JOY9,
	K_JOY10,
	K_JOY11,
	K_JOY12,
	K_JOY13,
	K_JOY14,
	K_JOY15,
	K_JOY16,
	K_JOY17,
	K_JOY18,
	K_JOY19,
	K_JOY20,
	K_JOY21,
	K_JOY22,
	K_JOY23,
	K_JOY24,
	K_JOY25,
	K_JOY26,
	K_JOY27,
	K_GRAVE_A = 224,	// lowercase a with grave accent
	K_JOY28,
	K_JOY29,
	K_JOY30,
	K_JOY31,
	K_JOY32,

	K_AUX1 = 230,
	K_CEDILLA_C = 231,	// lowercase c with Cedilla
	K_GRAVE_E = 232,	// lowercase e with grave accent
	K_AUX2,
	K_AUX3,
	K_AUX4,
	K_GRAVE_I = 236,	// lowercase i with grave accent
	K_AUX5,
	K_AUX6,
	K_AUX7,
	K_AUX8,
	K_TILDE_N = 241,	// lowercase n with tilde
	K_GRAVE_O = 242,	// lowercase o with grave accent
	K_AUX9,
	K_AUX10,
	K_AUX11,
	K_AUX12,
	K_AUX13,
	K_AUX14,
	K_GRAVE_U = 249,	// lowercase u with grave accent
	K_AUX15,
	K_AUX16,

	K_PRINT_SCR	= 252,	// SysRq / PrintScr
	K_RIGHT_ALT = 253,	// used by some languages as "Alt-Gr"
	K_LAST_KEY  = 254	// this better be < 256!
} keyNum_t;


class idKeyInput {
public:
	static void			Init( void );
	static void			Shutdown( void );

	static void			ArgCompletion_KeyName( const idCmdArgs &args, void(*callback)( const char *s ) );
	static void			PreliminaryKeyEvent( int keyNum, bool down );
	static bool			IsDown( int keyNum );
	static int			GetUsercmdAction( int keyNum );
	static bool			GetOverstrikeMode( void );
	static void			SetOverstrikeMode( bool state );
	static void			ClearStates( void );
	static int			StringToKeyNum( const char *str );
	static const char *	KeyNumToString( int keyNum, bool localized );

	static void			SetBinding( int keyNum, const char *binding );
	static const char *	GetBinding( int keyNum );
	static bool			UnbindBinding( const char *bind );
	static int			NumBinds( const char *binding );
	static bool			ExecKeyBinding( int keyNum );
	static const char *	KeysFromBinding( const char *bind );
	static const char *	BindingFromKey( const char *key );
	static bool			KeyIsBoundTo( int keyNum, const char *binding );
	static void			WriteBindings( idFile *f );
};

#endif /* !__KEYINPUT_H__ */