fteqw/engine/client/keys.c

/*
Copyright (C) 1996-1997 Id Software, Inc.

This program 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 2
of the License, or (at your option) any later version.

This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/
#include "quakedef.h"
#ifdef _WIN32
#include "winquake.h"
#endif
/*

key up events are sent even if in console mode

*/
void Editor_Key(int key);

#define		KEY_MODIFIERSTATES 8
#define		MAXCMDLINE	256
char	key_lines[32][MAXCMDLINE];
int		key_linepos;
int		shift_down=false;
int		key_lastpress;

int		edit_line=0;
int		history_line=0;

keydest_t	key_dest;

int		key_count;			// incremented every key event

char	*keybindings[256][KEY_MODIFIERSTATES];
qbyte	bindcmdlevel[256][KEY_MODIFIERSTATES];
qboolean	consolekeys[256];	// if true, can't be rebound while in console
qboolean	menubound[256];	// if true, can't be rebound while in menu
int		keyshift[256];		// key to map to if shift held down in console
int		key_repeats[256];	// if > 1, it is autorepeating
qboolean	keydown[256];

qboolean deltaused[256][KEY_MODIFIERSTATES];

extern cvar_t con_displaypossabilities;

static int KeyModifier (qboolean shift, qboolean alt, qboolean ctrl)
{
	int stateset = 0;
	if (shift)
		stateset |= 1;
	if (alt)
		stateset |= 2;
	if (ctrl)
		stateset |= 4;

	return stateset;
}

typedef struct
{
	char	*name;
	int		keynum;
} keyname_t;

keyname_t keynames[] =
{
	{"TAB", K_TAB},
	{"ENTER", K_ENTER},
	{"ESCAPE", K_ESCAPE},
	{"SPACE", K_SPACE},
	{"BACKSPACE", K_BACKSPACE},
	{"UPARROW", K_UPARROW},
	{"DOWNARROW", K_DOWNARROW},
	{"LEFTARROW", K_LEFTARROW},
	{"RIGHTARROW", K_RIGHTARROW},

	{"ALT", K_ALT},
	{"CTRL", K_CTRL},
	{"SHIFT", K_SHIFT},
	
	{"F1", K_F1},
	{"F2", K_F2},
	{"F3", K_F3},
	{"F4", K_F4},
	{"F5", K_F5},
	{"F6", K_F6},
	{"F7", K_F7},
	{"F8", K_F8},
	{"F9", K_F9},
	{"F10", K_F10},
	{"F11", K_F11},
	{"F12", K_F12},

	{"INS", K_INS},
	{"DEL", K_DEL},
	{"PGDN", K_PGDN},
	{"PGUP", K_PGUP},
	{"HOME", K_HOME},
	{"END", K_END},

	
	{"KP_HOME", K_KP_HOME},
	{"KP_UPARROW", K_KP_UPARROW},
	{"KP_PGUP", K_KP_PGUP},
	{"KP_LEFTARROW", K_KP_LEFTARROW},
	{"KP_5", K_KP_5},
	{"KP_RIGHTARROW", K_KP_RIGHTARROW},
	{"KP_END", K_KP_END},
	{"KP_DOWNARROW", K_KP_DOWNARROW},
	{"KP_PGDN", K_KP_PGDN},
	{"KP_ENTER", K_KP_ENTER},
	{"KP_INS", K_KP_INS},
	{"KP_DEL", K_KP_DEL},
	{"KP_SLASH", K_KP_SLASH},
	{"KP_MINUS", K_KP_MINUS},
	{"KP_PLUS", K_KP_PLUS},
	{"KP_NUMLOCK", K_KP_NUMLOCK},
	{"KP_STAR", K_KP_STAR},
	{"KP_EQUALS", K_KP_EQUALS},

	{"MOUSE1", K_MOUSE1},
	{"MOUSE2", K_MOUSE2},
	{"MOUSE3", K_MOUSE3},

	{"JOY1", K_JOY1},
	{"JOY2", K_JOY2},
	{"JOY3", K_JOY3},
	{"JOY4", K_JOY4},

	{"AUX1", K_AUX1},
	{"AUX2", K_AUX2},
	{"AUX3", K_AUX3},
	{"AUX4", K_AUX4},
	{"AUX5", K_AUX5},
	{"AUX6", K_AUX6},
	{"AUX7", K_AUX7},
	{"AUX8", K_AUX8},
	{"AUX9", K_AUX9},
	{"AUX10", K_AUX10},
	{"AUX11", K_AUX11},
	{"AUX12", K_AUX12},
	{"AUX13", K_AUX13},
	{"AUX14", K_AUX14},
	{"AUX15", K_AUX15},
	{"AUX16", K_AUX16},
	{"AUX17", K_AUX17},
	{"AUX18", K_AUX18},
	{"AUX19", K_AUX19},
	{"AUX20", K_AUX20},
	{"AUX21", K_AUX21},
	{"AUX22", K_AUX22},
	{"AUX23", K_AUX23},
	{"AUX24", K_AUX24},
	{"AUX25", K_AUX25},
	{"AUX26", K_AUX26},
	{"AUX27", K_AUX27},
	{"AUX28", K_AUX28},
	{"AUX29", K_AUX29},
	{"AUX30", K_AUX30},
	{"AUX31", K_AUX31},
	{"AUX32", K_AUX32},

	{"PAUSE", K_PAUSE},

	{"MWHEELUP", K_MWHEELUP},
	{"MWHEELDOWN", K_MWHEELDOWN},

	{"SEMICOLON", ';'},	// because a raw semicolon seperates commands

	{NULL,0}
};

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

			LINE TYPING INTO THE CONSOLE

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

qboolean CheckForCommand (void)
{
	char	command[128];
	char	*cmd, *s;
	int		i;

	s = key_lines[edit_line]+1;

	for (i=0 ; i<127 ; i++)
		if (s[i] <= ' ')
			break;
		else
			command[i] = s[i];
	command[i] = 0;

	cmd = Cmd_CompleteCommand (command, true, -1);
	if (!cmd  || strcmp (cmd, command) )
		return false;		// just a chat message
	return true;
}

#define COLUMNWIDTH 20
#define MINCOLUMNWIDTH 18

int PaddedPrint (char *s, int x)
{
	int	nextcolx = 0;

	if (x)
		nextcolx = (int)((x + COLUMNWIDTH)/COLUMNWIDTH)*COLUMNWIDTH;

	if (nextcolx > con->linewidth - MINCOLUMNWIDTH
		|| (x && nextcolx + strlen(s) >= con->linewidth))
	{
		Con_Printf ("\n");
		x=0;
	}

	if (x)
	{
		Con_Printf (" ");
		x++;
	}
	while (x % COLUMNWIDTH)
	{
		Con_Printf (" ");
		x++;
	}
	Con_Printf ("%s", s);
	x+=strlen(s);

	return x;
}


int con_commandmatch;
void CompleteCommand (qboolean force)
{
	int i;
	char	*cmd, *s;

	s = key_lines[edit_line]+1;
	if (*s == '\\' || *s == '/')
		s++;

	if (!force && con_displaypossabilities.value)
	{
		int x=0;
		for (i = 1; ; i++)
		{
			cmd = Cmd_CompleteCommand (s, true, i);
			if (!cmd)
				break;
			if (i == 1)
				Con_Printf("---------\n");
			x = PaddedPrint(cmd, x);
		}
		if (i != 1)
			Con_Printf("\n");
	}

	cmd = Cmd_CompleteCommand (s, true, 2);
	if (!cmd || force)
	{
		if (!force)
			cmd = Cmd_CompleteCommand (s, false, 1);
		else
			cmd = Cmd_CompleteCommand (s, true, con_commandmatch);
		if (cmd)
		{
			key_lines[edit_line][1] = '/';
			Q_strcpy (key_lines[edit_line]+2, cmd);
			key_linepos = Q_strlen(cmd)+2;

			s = key_lines[edit_line]+1;	//readjust to cope with the insertion of a /
			if (*s == '\\' || *s == '/')
				s++;

	//		if (strlen(cmd)>strlen(s))
			{
				cmd = Cmd_CompleteCommand (s, true, 0);
				if (cmd && !strcmp(s, cmd))	//also a compleate var
				{
					key_lines[edit_line][key_linepos] = ' ';
					key_linepos++;
				}
			}
			key_lines[edit_line][key_linepos] = 0;
			return;
		}
	}
	cmd = Cmd_CompleteCommand (s, false, 0);
	if (cmd)
	{
		key_lines[edit_line][1] = '/';
		Q_strcpy (key_lines[edit_line]+2, cmd);
		key_linepos = Q_strlen(cmd)+2;

		s = key_lines[edit_line]+1;	//readjust to cope with the insertion of a /
		if (*s == '\\' || *s == '/')
			s++;

		key_lines[edit_line][key_linepos] = 0;
	}

	con_commandmatch++;
	if (!Cmd_CompleteCommand(s, true, con_commandmatch))
		con_commandmatch = 1;
}

/*
====================
Key_Console

Interactive line editing and console scrollback
====================
*/
void Key_Console (int key)
{
#ifdef _WIN32
	HANDLE	th;
	char	*clipText;
#endif

	if (con->redirect)
	{
		if (key == K_TAB)
		{	// command completion
			if (keydown[K_CTRL] || keydown[K_SHIFT])
			{
				Con_CycleConsole();
				return;
			}
		}
		con->redirect(key);
		return;
	}
	
	if (key == K_ENTER)
	{	// backslash text are commands, else chat
		con_commandmatch=1;
		if (key_lines[edit_line][1] == '\\')//irc
		{
			Cbuf_AddText ("irc ", RESTRICT_LOCAL);
			Cbuf_AddText (key_lines[edit_line]+2, RESTRICT_LOCAL);	// skip the >						//irc
		}
		else if (key_lines[edit_line][1] == '\\' || key_lines[edit_line][1] == '/')
			Cbuf_AddText (key_lines[edit_line]+2, RESTRICT_LOCAL);	// skip the >
		else if (CheckForCommand())
			Cbuf_AddText (key_lines[edit_line]+1, RESTRICT_LOCAL);	// valid command
#ifdef Q2CLIENT
		else if (cls.q2server)
			Cbuf_AddText (key_lines[edit_line]+1, RESTRICT_LOCAL);	// valid command
#endif
		else
		{	// convert to a chat message
			if (cls.state >= ca_connected && (strncmp(key_lines[edit_line]+1, "say ", 4)))
				Cbuf_AddText ("say ", RESTRICT_LOCAL);
			Cbuf_AddText (key_lines[edit_line]+1, RESTRICT_LOCAL);	// skip the >
		}

		Cbuf_AddText ("\n", RESTRICT_LOCAL);
		Con_Printf ("%s\n",key_lines[edit_line]);
		edit_line = (edit_line + 1) & 31;
		history_line = edit_line;
		key_lines[edit_line][0] = ']';
		key_lines[edit_line][1] = '\0';
		key_linepos = 1;
		if (cls.state == ca_disconnected)
			SCR_UpdateScreen ();	// force an update, because the command
									// may take some time
		return;
	}

	if (key == K_SPACE)
	{
		if (keydown[K_SHIFT] && /*key_lines[edit_line][1] == '/' &&*/ !strchr(key_lines[edit_line], ' '))
		{
			CompleteCommand (true);
			return;
		}
	}

	if (key == K_TAB)
	{	// command completion
		if (keydown[K_CTRL] || keydown[K_SHIFT])
		{
			Con_CycleConsole();
			return;
		}

		CompleteCommand (false);
		return;
	}
	if (key != K_SHIFT)
		con_commandmatch=1;
	
	if (key == K_LEFTARROW)
	{
		if (key_linepos > 1)
			key_linepos--;
		return;
	}
	if (key == K_RIGHTARROW)
	{
		if (key_lines[edit_line][key_linepos])
		{
			key_linepos++;
			return;
		}
		else
			key = ' ';
	}

	if (key == K_DEL)
	{
		if (strlen(key_lines[edit_line]+key_linepos+1))
		{
			memmove(key_lines[edit_line]+key_linepos, key_lines[edit_line]+key_linepos+1, strlen(key_lines[edit_line]+key_linepos+1)+1);
			return;
		}
		else
			key = K_BACKSPACE;
	}

	if (key == K_BACKSPACE)
	{
		if (key_linepos > 1)
		{
			memmove(key_lines[edit_line]+key_linepos-1, key_lines[edit_line]+key_linepos, strlen(key_lines[edit_line]+key_linepos)+1);
			key_linepos--;
		}
		return;
	}

	if (key == K_UPARROW)
	{
		do
		{
			history_line = (history_line - 1) & 31;
		} while (history_line != edit_line
				&& !key_lines[history_line][1]);
		if (history_line == edit_line)
			history_line = (edit_line+1)&31;
		Q_strcpy(key_lines[edit_line], key_lines[history_line]);
		key_linepos = Q_strlen(key_lines[edit_line]);

		key_lines[edit_line][0] = ']';
		return;
	}

	if (key == K_DOWNARROW)
	{
		if (history_line == edit_line) return;
		do
		{
			history_line = (history_line + 1) & 31;
		}
		while (history_line != edit_line
			&& !key_lines[history_line][1]);
		if (history_line == edit_line)
		{
			key_lines[edit_line][0] = ']';
			key_linepos = 1;
		}
		else
		{
			Q_strcpy(key_lines[edit_line], key_lines[history_line]);
			key_linepos = Q_strlen(key_lines[edit_line]);
		}
		return;
	}

	if (key == K_PGUP || key==K_MWHEELUP)
	{
		con->display -= 2;
		return;
	}

	if (key == K_PGDN || key==K_MWHEELDOWN)
	{
		con->display += 2;
		if (con->display > con->current)
			con->display = con->current;
		return;
	}

	if (key == K_HOME)
	{
		con->display = con->current - con->totallines + 10;
		return;
	}

	if (key == K_END)
	{
		con->display = con->current;
		return;
	}
	
#ifdef _WIN32
	if ((key=='V' || key=='v') && keydown[K_CTRL])
	{
		if (OpenClipboard(NULL))
		{
			th = GetClipboardData(CF_TEXT);
			if (th)
			{
				clipText = GlobalLock(th);
				if (clipText)
				{
					int len;
					len = strlen(clipText);
					if (len + strlen(key_lines[edit_line]) > MAXCMDLINE - 1)
						len = MAXCMDLINE - 1 - strlen(key_lines[edit_line]);
					if (len > 0)
					{	// insert the string
						memmove (key_lines[edit_line] + key_linepos + len,
							key_lines[edit_line] + key_linepos, strlen(key_lines[edit_line]) - key_linepos + 1);
						memcpy (key_lines[edit_line] + key_linepos, clipText, len);
						key_linepos += len;
					}
				}
				GlobalUnlock(th);
			}
			CloseClipboard();
			return;
		}
	}
#endif
	

	if (key < 32 || key > 127)
		return;	// non printable

	if (keydown[K_CTRL]) {
		if (key >= '0' && key <= '9')
				key = key - '0' + 0x12;	// yellow number
		else switch (key) {
			case '[': key = 0x10; break;
			case ']': key = 0x11; break;
			case 'g': key = 0x86; break;
			case 'r': key = 0x87; break;
			case 'y': key = 0x88; break;
			case 'b': key = 0x89; break;
			case '(': key = 0x80; break;
			case '=': key = 0x81; break;
			case ')': key = 0x82; break;
			case 'a': key = 0x83; break;
			case '<': key = 0x1d; break;
			case '-': key = 0x1e; break;
			case '>': key = 0x1f; break;
			case ',': key = 0x1c; break;
			case '.': key = 0x9c; break;
			case 'B': key = 0x8b; break;
			case 'C': key = 0x8d; break;
			case 'n': key = '\r'; break;
		}
	}

	if (keydown[K_ALT])
		key |= 128;		// red char


		
	if (key_linepos < MAXCMDLINE-1)
	{
		memmove(key_lines[edit_line]+key_linepos+1, key_lines[edit_line]+key_linepos, strlen(key_lines[edit_line]+key_linepos)+1);
		key_lines[edit_line][key_linepos] = key;
		key_linepos++;
//		key_lines[edit_line][key_linepos] = 0;
	}

}

//============================================================================

qboolean	chat_team;
char		chat_buffer[MAXCMDLINE];
int			chat_bufferlen = 0;

void Key_Message (int key)
{

	if (key == K_ENTER)
	{
		if (chat_team)
			Cbuf_AddText ("say_team ", RESTRICT_LOCAL);
		else
			Cbuf_AddText ("say ", RESTRICT_LOCAL);
		Cbuf_AddText(chat_buffer, RESTRICT_LOCAL);
		Cbuf_AddText("\n", RESTRICT_LOCAL);

		key_dest = key_game;
		chat_bufferlen = 0;
		chat_buffer[0] = 0;
		return;
	}

	if (key == K_ESCAPE)
	{
		key_dest = key_game;
		chat_bufferlen = 0;
		chat_buffer[0] = 0;
		return;
	}

	if (key < 32 || key > 127)
		return;	// non printable

	if (key == K_BACKSPACE)
	{
		if (chat_bufferlen)
		{
			chat_bufferlen--;
			chat_buffer[chat_bufferlen] = 0;
		}
		return;
	}

	if (chat_bufferlen == sizeof(chat_buffer)-1)
		return; // all full

	chat_buffer[chat_bufferlen++] = key;
	chat_buffer[chat_bufferlen] = 0;
}

//============================================================================


/*
===================
Key_StringToKeynum

Returns a key number to be used to index keybindings[] by looking at
the given string.  Single ascii characters return themselves, while
the K_* names are matched up.
===================
*/
int Key_StringToKeynum (char *str, int *modifier)
{
	keyname_t	*kn;
	char *underscore;

	if (!strnicmp(str, "std_", 4))
		*modifier = 0;
	else
	{
		*modifier = 0;
		while(1)
		{
			underscore = strchr(str, '_');
			if (!underscore || !underscore[1])
				break;	//nothing afterwards or no underscore.
			if (!strnicmp(str, "shift_", 6))
				*modifier |= 1;
			else if (!strnicmp(str, "alt_", 4))
				*modifier |= 2;
			else if (!strnicmp(str, "ctrl_", 5))
				*modifier |= 4;
			else
				break;
			str = underscore+1;	//next char.
		}
		if (!*modifier)
			*modifier = ~0;
	}
	
	if (!str || !str[0])
		return -1;
	if (!str[1])	//single char.
		return str[0];

	for (kn=keynames ; kn->name ; kn++)
	{
		if (!Q_strcasecmp(str,kn->name))
			return kn->keynum;
	}
	if (atoi(str))	//assume ascii code. (prepend with a 0 if needed)
		return atoi(str);
	return -1;
}

/*
===================
Key_KeynumToString

Returns a string (either a single ascii char, or a K_* name) for the
given keynum.
FIXME: handle quote special (general escape sequence?)
===================
*/
char *Key_KeynumToString (int keynum)
{
	keyname_t	*kn;	
	static	char	tinystr[2];
	
	if (keynum == -1)
		return "<KEY NOT FOUND>";
	if (keynum > 32 && keynum < 127)
	{	// printable ascii
		tinystr[0] = keynum;
		tinystr[1] = 0;
		return tinystr;
	}
	
	for (kn=keynames ; kn->name ; kn++)
		if (keynum == kn->keynum)
			return kn->name;

	{
		if (keynum < 10)	//don't let it be a single characture
			return va("0%i", keynum);
		return va("%i", keynum);
	}

	return "<UNKNOWN KEYNUM>";
}


/*
===================
Key_SetBinding
===================
*/
void Key_SetBinding (int keynum, int modifier, char *binding, int level)
{
	char	*new;
	int		l;

	if (modifier == ~0)	//all of the possabilities.
	{
		for (l = 0; l < KEY_MODIFIERSTATES; l++)
			Key_SetBinding(keynum, l, binding, level);
		return;
	}
			
	if (keynum == -1)
		return;

// free old bindings
	if (keybindings[keynum][modifier])
	{
		Z_Free (keybindings[keynum][modifier]);
		keybindings[keynum][modifier] = NULL;
	}


	if (!binding)
	{
		keybindings[keynum][modifier] = NULL;
		return;
	}
// allocate memory for new binding
	l = Q_strlen (binding);	
	new = Z_Malloc (l+1);
	Q_strcpy (new, binding);
	new[l] = 0;
	keybindings[keynum][modifier] = new;
	bindcmdlevel[keynum][modifier] = level;
}

/*
===================
Key_Unbind_f
===================
*/
void Key_Unbind_f (void)
{
	int		b, modifier;

	if (Cmd_Argc() != 2)
	{
		Con_Printf ("unbind <key> : remove commands from a key\n");
		return;
	}
	
	b = Key_StringToKeynum (Cmd_Argv(1), &modifier);
	if (b==-1)
	{
		Con_Printf ("\"%s\" isn't a valid key\n", Cmd_Argv(1));
		return;
	}

	Key_SetBinding (b, modifier, NULL, Cmd_ExecLevel);
}

void Key_Unbindall_f (void)
{
	int		i;
	
	for (i=0 ; i<256 ; i++)
		if (keybindings[i])
			Key_SetBinding (i, ~0, NULL, Cmd_ExecLevel);
}


/*
===================
Key_Bind_f
===================
*/
void Key_Bind_f (void)	//FIXME: work with modifiers
{
	int			i, c, b, modifier;
	char		cmd[1024];
	
	c = Cmd_Argc();

	if (c != 2 && c != 3)
	{
		Con_Printf ("bind <key> [command] : attach a command to a key\n");
		return;
	}
	b = Key_StringToKeynum (Cmd_Argv(1), &modifier);
	if (b==-1)
	{
		Con_Printf ("\"%s\" isn't a valid key\n", Cmd_Argv(1));
		return;
	}

	if (c == 2)
	{
		if (keybindings[b][0])
			Con_Printf ("\"%s\" = \"%s\"\n", Cmd_Argv(1), keybindings[b][0] );
		else
			Con_Printf ("\"%s\" is not bound\n", Cmd_Argv(1) );
		return;
	}
	
// copy the rest of the command line
	cmd[0] = 0;		// start out with a null string
	for (i=2 ; i< c ; i++)
	{
		strcat (cmd, Cmd_Argv(i));
		if (i != (c-1))
			strcat (cmd, " ");
	}

	Key_SetBinding (b, modifier, cmd, Cmd_ExecLevel);
}

void Key_BindLevel_f (void)
{
	int			i, c, b, modifier;
	char		cmd[1024];
	
	c = Cmd_Argc();

	if (c != 2 && c != 3)
	{
		Con_Printf ("bindat <key> [<level> <command>] : attach a command to a key for a specific level of access\n");
		return;
	}
	b = Key_StringToKeynum (Cmd_Argv(1), &modifier);
	if (b==-1)
	{
		Con_Printf ("\"%s\" isn't a valid key\n", Cmd_Argv(1));
		return;
	}

	if (c == 2)
	{
		if (keybindings[b])
			Con_Printf ("\"%s\" (%i)= \"%s\"\n", Cmd_Argv(1), bindcmdlevel[b][modifier], keybindings[b][modifier] );
		else
			Con_Printf ("\"%s\" is not bound\n", Cmd_Argv(1) );
		return;
	}

	if (Cmd_FromServer())
	{
		Con_Printf("Server attempted usage of bindat\n");
		return;
	}

// copy the rest of the command line
	cmd[0] = 0;		// start out with a null string
	for (i=3 ; i< c ; i++)
	{
		strcat (cmd, Cmd_Argv(i));
		if (i != (c-1))
			strcat (cmd, " ");
	}

	Key_SetBinding (b, modifier, cmd, atoi(Cmd_Argv(2)));
}

/*
============
Key_WriteBindings

Writes lines containing "bind key value"
============
*/
void Key_WriteBindings (FILE *f)
{
	int		i, m;
	char *binding, *base;

	char prefix[128];

	for (i=0 ; i<256 ; i++)	//we rebind the key with all modifiers to get the standard bind, then change the specific ones.
	{						//this does two things, it normally allows us to skip 7 of the 8 possabilities
		base = keybindings[i][0];	//plus we can use the config with other clients.
		if (!base)
			base = "";
		for (m = 0; m < KEY_MODIFIERSTATES; m++)
		{
			binding = keybindings[i][m];
			if (!binding)
				binding = "";
			if (strcmp(binding, base) || (m==0 && keybindings[i][0]) || bindcmdlevel[i][m] != bindcmdlevel[i][0])
			{
				*prefix = '\0';
				if (m & 4)
					strcat(prefix, "CTRL_");
				if (m & 2)
					strcat(prefix, "ALT_");
				if (m & 1)
					strcat(prefix, "SHIFT_");

				if (bindcmdlevel[i][m] != bindcmdlevel[i][0])
				{
					if (i == ';')
						fprintf (f, "bindlevel \"%s%s\" %i \"%s\"\n", prefix, Key_KeynumToString(i), bindcmdlevel[i][m], keybindings[i][m]);
					else if (i == '\"')
						fprintf (f, "bindlevel \"%s%s\" %i \"%s\"\n", prefix, "\"\"", bindcmdlevel[i][m], keybindings[i][m]);
					else
						fprintf (f, "bindlevel %s%s %i \"%s\"\n", prefix, Key_KeynumToString(i), bindcmdlevel[i][m], keybindings[i][m]);
				}
				else
				{
					if (i == ';')
						fprintf (f, "bind \"%s%s\" \"%s\"\n", prefix, Key_KeynumToString(i), keybindings[i][m]);
					else if (i == '\"')
						fprintf (f, "bind \"%s%s\" \"%s\"\n", prefix, "\"\"", keybindings[i][m]);
					else
						fprintf (f, "bind %s%s \"%s\"\n", prefix, Key_KeynumToString(i), keybindings[i][m]);
				}
			}
		}
	}
}


/*
===================
Key_Init
===================
*/
void Key_Init (void)
{
	int		i;

	for (i=0 ; i<32 ; i++)
	{
		key_lines[i][0] = ']';
		key_lines[i][1] = 0;
	}
	key_linepos = 1;
	
//
// init ascii characters in console mode
//
	for (i=32 ; i<128 ; i++)
		consolekeys[i] = true;
	consolekeys[K_ENTER] = true;
	consolekeys[K_TAB] = true;
	consolekeys[K_LEFTARROW] = true;
	consolekeys[K_RIGHTARROW] = true;
	consolekeys[K_UPARROW] = true;
	consolekeys[K_DOWNARROW] = true;
	consolekeys[K_BACKSPACE] = true;
	consolekeys[K_DEL] = true;
	consolekeys[K_HOME] = true;
	consolekeys[K_END] = true;
	consolekeys[K_PGUP] = true;
	consolekeys[K_PGDN] = true;
	consolekeys[K_SHIFT] = true;
	consolekeys[K_MWHEELUP] = true;
	consolekeys[K_MWHEELDOWN] = true;
	consolekeys[K_CTRL] = true;
	consolekeys[K_ALT] = true;
	consolekeys['`'] = false;
	consolekeys['~'] = false;

	for (i=0 ; i<256 ; i++)
		keyshift[i] = i;
	for (i='a' ; i<='z' ; i++)
		keyshift[i] = i - 'a' + 'A';
	keyshift['1'] = '!';
	keyshift['2'] = '@';
	keyshift['3'] = '#';
	keyshift['4'] = '$';
	keyshift['5'] = '%';
	keyshift['6'] = '^';
	keyshift['7'] = '&';
	keyshift['8'] = '*';
	keyshift['9'] = '(';
	keyshift['0'] = ')';
	keyshift['-'] = '_';
	keyshift['='] = '+';
	keyshift[','] = '<';
	keyshift['.'] = '>';
	keyshift['/'] = '?';
	keyshift[';'] = ':';
	keyshift['\''] = '"';
	keyshift['['] = '{';
	keyshift[']'] = '}';
	keyshift['`'] = '~';
	keyshift['\\'] = '|';

	menubound[K_ESCAPE] = true;
	for (i=0 ; i<12 ; i++)
		menubound[K_F1+i] = true;

//
// register our functions
//
	Cmd_AddCommand ("bind",Key_Bind_f);
	Cmd_AddCommand ("bindlevel",Key_BindLevel_f);
	Cmd_AddCommand ("unbind",Key_Unbind_f);
	Cmd_AddCommand ("unbindall",Key_Unbindall_f);
}

/*
===================
Key_Event

Called by the system between frames for both key up and key down events
Should NOT be called during an interrupt!
===================
*/
void Key_Event (int key, qboolean down)
{
	char	*kb;
	char	cmd[1024];
	int keystate, oldstate;

//	Con_Printf ("%i : %i\n", key, down); //@@@

	oldstate = KeyModifier(keydown[K_SHIFT], keydown[K_ALT], keydown[K_CTRL]);

	keydown[key] = down;

	if (key == K_SHIFT || key == K_ALT || key == K_CTRL)
	{
		int k;

		keystate = KeyModifier(keydown[K_SHIFT], keydown[K_ALT], keydown[K_CTRL]);

		for (k = 0; k < 256; k++)
		{	//go through the old state removing all depressed keys. they are all up now.

			if (k == K_SHIFT || k == K_ALT || k == K_CTRL)
				continue;

			if (deltaused[k][oldstate])
			{
				if (keybindings[k][oldstate] == keybindings[k][keystate] || !strcmp(keybindings[k][oldstate], keybindings[k][keystate]))
				{	//bindings match. skip this key
//					Con_Printf ("keeping bind %i\n", k); //@@@
					deltaused[k][oldstate] = false;
					deltaused[k][keystate] = true;
					continue;
				}

//				Con_Printf ("removing bind %i\n", k); //@@@

				deltaused[k][oldstate] = false;

				kb = keybindings[k][oldstate];
				if (kb && kb[0] == '+')
				{
					sprintf (cmd, "-%s %i\n", kb+1, k+oldstate*256);
					Cbuf_AddText (cmd, bindcmdlevel[k][oldstate]);
				}
				if (keyshift[k] != k)
				{
					kb = keybindings[keyshift[k]][oldstate];
					if (kb && kb[0] == '+')
					{
						sprintf (cmd, "-%s %i\n", kb+1, k+oldstate*256);
						Cbuf_AddText (cmd, bindcmdlevel[k][oldstate]);
					}
				}
			}
			if (keydown[k] && key_dest != key_console)
			{
				deltaused[k][keystate] = true;

//				Con_Printf ("adding bind %i\n", k); //@@@

				kb = keybindings[k][keystate];
				if (kb)
				{
					if (kb[0] == '+')
					{	// button commands add keynum as a parm
						sprintf (cmd, "%s %i\n", kb, k+keystate*256);
						Cbuf_AddText (cmd, bindcmdlevel[k][keystate]);
					}
					else
					{
						Cbuf_AddText (kb, bindcmdlevel[k][keystate]);
						Cbuf_AddText ("\n", bindcmdlevel[k][keystate]);
					}
				}
			}
		}

		keystate = oldstate = 0;
	}
	else
		keystate = oldstate;

	if (!down)
		key_repeats[key] = 0;

	key_lastpress = key;
	key_count++;
	if (key_count <= 0)
	{
		return;		// just catching keys for Con_NotifyBox
	}

// update auto-repeat status
	if (down)
	{
		key_repeats[key]++;
		if (key != K_BACKSPACE 
			&& key != K_DEL
			&& key != K_PAUSE 
			&& key != K_PGUP 
			&& key != K_PGDN
			&& key != K_LEFTARROW 
			&& key != K_RIGHTARROW
			&& key != K_UPARROW 
			&& key != K_DOWNARROW
			&& key_repeats[key] > 1)
			return;	// ignore most autorepeats
			
//		if (key >= 200 && !keybindings[key])	//is this too annoying?
//			Con_Printf ("%s is unbound, hit F4 to set.\n", Key_KeynumToString (key) );
	}

	if (key == K_SHIFT)
		shift_down = down;

//
// handle escape specialy, so the user can never unbind it
//
	if (key == K_ESCAPE)
	{
#ifdef TEXTEDITOR
		if (key_dest != key_editor)
#endif
		if (UI_KeyPress(key, down))	//Allow the UI to see the escape key. It is possible that a developer may get stuck at a menu.
			return;

		if (!down)
		{
			if (key_dest == key_menu)
				M_Keyup (key);
			return;
		}
		switch (key_dest)
		{
		case key_message:
			Key_Message (key);
			break;
		case key_menu:
			M_Keydown (key);
			break;
#ifdef TEXTEDITOR
		case key_editor:
			Editor_Key (key);
			break;
#endif
		case key_game:
			if (media_filmtype)
			{
				Media_PlayFilm("");
				break;
			}
		case key_console:
			M_ToggleMenu_f ();
			break;
		default:
			Sys_Error ("Bad key_dest");
		}
		return;
	}

//
// key up events only generate commands if the game key binding is
// a button command (leading + sign).  These will occur even in console mode,
// to keep the character from continuing an action started before a console
// switch.  Button commands include the keynum as a parameter, so multiple
// downs can be matched with ups
//
	if (!down)
	{
		switch (key_dest)
		{
		case key_menu:
			M_Keyup (key);
			break;
		default:
			break;
		}

		if (!deltaused[key][keystate])	//this wasn't down, so don't make it leave down state.
			return;
		deltaused[key][keystate] = false;

		kb = keybindings[key][keystate];
		if (kb && kb[0] == '+')
		{
			sprintf (cmd, "-%s %i\n", kb+1, key+oldstate*256);
			Cbuf_AddText (cmd, bindcmdlevel[key][keystate]);
		}
		if (keyshift[key] != key)
		{
			kb = keybindings[keyshift[key]][keystate];
			if (kb && kb[0] == '+')
			{
				sprintf (cmd, "-%s %i\n", kb+1, key+oldstate*256);
				Cbuf_AddText (cmd, bindcmdlevel[key][keystate]);
			}
		}
		return;
	}

//
// during demo playback, most keys bring up the main menu
//
	if (cls.demoplayback && cls.demoplayback != DPB_MVD && down && consolekeys[key] && key_dest == key_game)
	{
		M_ToggleMenu_f ();
		return;
	}

//
// if not a consolekey, send to the interpreter no matter what mode is
//

	if (key_dest == key_game || down)
	{
		if (UI_KeyPress(key, down) && down)	//UI is allowed to take these keydowns. Keyups are always maintained.
			return;
	}


	if ( (key_dest == key_menu && menubound[key])
	|| (key_dest == key_console && !consolekeys[key])
	|| (key_dest == key_game && ( cls.state == ca_active || !consolekeys[key] ) ) )
	{
		deltaused[key][keystate] = true;
		kb = keybindings[key][keystate];
		if (kb)
		{
			if (kb[0] == '+')
			{	// button commands add keynum as a parm
				sprintf (cmd, "%s %i\n", kb, key+oldstate*256);
				Cbuf_AddText (cmd, bindcmdlevel[key][keystate]);
			}
			else
			{
				Cbuf_AddText (kb, bindcmdlevel[key][keystate]);
				Cbuf_AddText ("\n", bindcmdlevel[key][keystate]);
			}
		}

		return;
	}

	if (shift_down)
		key = keyshift[key];

	if (!down)
	{
		switch (key_dest)
		{
		case key_menu:
			M_Keyup (key);
			break;
		default:
			break;
		}
		return;		// other systems only care about key down events
	}

	switch (key_dest)
	{
	case key_message:
		Key_Message (key);
		break;
	case key_menu:
		M_Keydown (key);
		break;
#ifdef TEXTEDITOR
	case key_editor:
		Editor_Key (key);
		break;
#endif
	case key_game:
	case key_console:
		Key_Console (key);
		break;
	default:
		Sys_Error ("Bad key_dest");
	}
}

/*
===================
Key_ClearStates
===================
*/
void Key_ClearStates (void)
{
	int		i;

	for (i=0 ; i<256 ; i++)
	{
		keydown[i] = false;
		key_repeats[i] = false;
	}
}