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"

/*

key up events are sent even if in console mode

*/


#define		HISTORY_FILE	"qhistory.log"

char		key_lines[CMDLINES][MAX_CMDLINE];
int		key_linepos;
int		key_lastpress;

int		shift_down = false;
int		edit_line = 0;
int		history_line = 0;

keydest_t	key_dest;

int		key_insert = 1;		// insert key toggle (for editing)
int		key_count;			// incremented every key event

char	*keybindings[256];
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	repeatkeys[256]; // if true, autorepeat is enabled for this key

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},

	{"CAPSLOCK", K_CAPSLOCK},
	{"PRINTSCR", K_PRINTSCR},
	{"SCRLCK", K_SCRLCK},
	{"SCROLLLOCK", K_SCRLCK},
	{"SCROLLOCK", K_SCRLCK},	// misspelled; kept for compatibility

#ifdef __APPLE__
	{"COMMAND", K_CMD},
	{"PARA", K_PARA},
	{"F13", K_F13},
	{"F14", K_F14},
	{"F15", K_F15},
	{"KP_EQUAL", KP_EQUAL},
#endif

	{"PAUSE", K_PAUSE},

	{"UPARROW", K_UPARROW},
	{"DOWNARROW", K_DOWNARROW},
	{"LEFTARROW", K_LEFTARROW},
	{"RIGHTARROW", K_RIGHTARROW},

	{"ALT", K_ALT},
	{"LALT", K_LALT},
	{"RALT", K_RALT},


	{"CTRL", K_CTRL},
	{"LCTRL", K_LCTRL},
	{"RCTRL", K_RCTRL},
	{"SHIFT", K_SHIFT},
	{"LSHIFT", K_LSHIFT},
	{"RSHIFT", K_RSHIFT},

	{"WINKEY", K_WIN},
	{"LWINKEY", K_LWIN},
	{"RWINKEY", K_RWIN},
	{"POPUPMENU", K_MENU},

	// keypad
	{"NUMLOCK", KP_NUMLOCK},
	{"KP_NUMLCK", KP_NUMLOCK},
	{"KP_NUMLOCK", KP_NUMLOCK},
	{"KP_SLASH", KP_SLASH},
	{"KP_DIVIDE", KP_SLASH},
	{"KP_STAR", KP_STAR},
	{"KP_MULTIPLY", KP_STAR},

	{"KP_MINUS", KP_MINUS},

	{"KP_HOME", KP_HOME},
	{"KP_7", KP_HOME},
	{"KP_UPARROW", KP_UPARROW},
	{"KP_8", KP_UPARROW},
	{"KP_PGUP", KP_PGUP},
	{"KP_9", KP_PGUP},
	{"KP_PLUS", KP_PLUS},

	{"KP_LEFTARROW", KP_LEFTARROW},
	{"KP_4", KP_LEFTARROW},
	{"KP_5", KP_5},
	{"KP_RIGHTARROW", KP_RIGHTARROW},
	{"KP_6", KP_RIGHTARROW},

	{"KP_END", KP_END},
	{"KP_1", KP_END},
	{"KP_DOWNARROW", KP_DOWNARROW},
	{"KP_2", KP_DOWNARROW},
	{"KP_PGDN", KP_PGDN},
	{"KP_3", KP_PGDN},

	{"KP_INS", KP_INS},
	{"KP_0", KP_INS},
	{"KP_DEL", KP_DEL},
	{"KP_ENTER", KP_ENTER},

	{"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},

	{"MOUSE1", K_MOUSE1},
	{"MOUSE2", K_MOUSE2},
	{"MOUSE3", K_MOUSE3},
	{"MOUSE4", K_MOUSE4},
	{"MOUSE5", K_MOUSE5},
	{"MOUSE6", K_MOUSE6},
	{"MOUSE7", K_MOUSE7},
	{"MOUSE8", K_MOUSE8},

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

	{"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},

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

	{"SECTION", K_SECTION},
	{"ACUTE", K_ACUTE},
	{"DIAERESIS", K_DIAERESIS},
	{"ARING", K_ARING},
	{"ADIAERESIS", K_ADIAERESIS},
	{"ODIAERESIS", K_ODIAERESIS},
	{"WAKE_UP", K_WAKE_UP},

	{NULL, 0}
};

extern	int con_vislines;
extern	char key_tabpartial[MAX_CMDLINE];

extern int con_current, con_linewidth;
extern float scr_con_current;

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

			LINE TYPING INTO THE CONSOLE

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


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

Interactive line editing and console scrollback
====================
*/
void Key_Console (int key)
{
	int	i;
	
	switch (key)
	{
	case K_ENTER:
	case KP_ENTER:
		key_tabpartial[0] = 0;
		Cbuf_AddText (key_lines[edit_line]+1);	// skip the prompt '>'
		Cbuf_AddText ("\n");
		Con_Printf ("%s\n",key_lines[edit_line]);
		// don't save same commands multiple times
		if (strcmp(key_lines[edit_line-1], key_lines[edit_line]))
			edit_line = (edit_line + 1) & (CMDLINES-1);
		history_line = edit_line;
		key_lines[edit_line][0] = ']';
		key_lines[edit_line][1] = 0; // otherwise old history items show up in the new edit line
		key_linepos = 1;
		if (cls.state == ca_disconnected)
			SCR_UpdateScreen ();	// force an update, because the command may take some time
		return;

	case K_TAB:
		Con_TabComplete ();
		return;

	case K_BACKSPACE:
		key_tabpartial[0] = 0;
		if (key_linepos > 1)
		{
			strcpy(key_lines[edit_line] + key_linepos - 1, key_lines[edit_line] + key_linepos);
			key_linepos--;
		}
		return;

	case K_INS:
		key_insert ^= 1;
		return;

	case K_DEL:
		key_tabpartial[0] = 0;
		if (key_linepos < (int)strlen(key_lines[edit_line]))
			strcpy(key_lines[edit_line] + key_linepos, key_lines[edit_line] + key_linepos + 1);
		return;

	case K_HOME:
		if (keydown[K_CTRL])
		{
			//skip initial empty lines
			int		i, x;
			short	*line; // Q1 char, H2 need short

			for (i = con_current - con_totallines + 1 ; i <= con_current ; i++)
			{
				line = con_text + (i%con_totallines)*con_linewidth;
				for (x=0 ; x<con_linewidth ; x++)
					if (line[x] != ' ')
						break;
				if (x != con_linewidth)
					break;
			}

			con_backscroll = CLAMP(0, con_current-i%con_totallines-2, con_totallines-(int)(vid.height>>3)-1);
		}
		else
			key_linepos = 1;
		return;

	case K_END:
		if (keydown[K_CTRL])
			con_backscroll = 0;
		else
			key_linepos = strlen(key_lines[edit_line]);
		return;

	case K_PGUP:
	case K_MWHEELUP:
		con_backscroll += keydown[K_CTRL] ? ((con_vislines>>3) - 4) : 2;
		if (con_backscroll > con_totallines - (vid.height>>3) - 1)
			con_backscroll = con_totallines - (vid.height>>3) - 1;
		return;

	case K_PGDN:
	case K_MWHEELDOWN:
		con_backscroll -= keydown[K_CTRL] ? ((con_vislines>>3) - 4) : 2;
		if (con_backscroll < 0)
			con_backscroll = 0;
		return;

	case K_LEFTARROW:
		if (keydown[K_CTRL])
		{
			// word left
			while (key_linepos > 1 && key_lines[edit_line][key_linepos-1] == ' ')
				key_linepos--;
			while (key_linepos > 1 && key_lines[edit_line][key_linepos-1] != ' ')
				key_linepos--;
			return;
		}
		if (key_linepos > 1)
		{
			key_linepos--;
		}
		return;

	case K_RIGHTARROW:
		if (keydown[K_CTRL])
		{
			// word right
			i = strlen (key_lines[edit_line]);
			while (key_linepos < i && key_lines[edit_line][key_linepos] != ' ')
				key_linepos++;
			while (key_linepos < i && key_lines[edit_line][key_linepos] == ' ')
				key_linepos++;
			return;
		}
		if ((int)strlen(key_lines[edit_line]) == key_linepos)
		{
			if ((int)strlen(key_lines[(edit_line + (CMDLINES-1)) & (CMDLINES-1)]) <= key_linepos)
				return; // no character to get

			key_lines[edit_line][key_linepos] = key_lines[(edit_line + (CMDLINES-1)) & (CMDLINES-1)][key_linepos];
			key_linepos++;
			key_lines[edit_line][key_linepos] = 0;
		}
		else
		{
			key_linepos++;
		}
		return;

	case K_UPARROW:
		key_tabpartial[0] = 0;
		do
		{
			history_line = (history_line - 1) & (CMDLINES-1);
		} while (history_line != edit_line
				&& !key_lines[history_line][1]);
		if (history_line == edit_line)
			history_line = (edit_line + 1) & (CMDLINES-1);
		strcpy(key_lines[edit_line], key_lines[history_line]);
		key_linepos = strlen(key_lines[edit_line]);
		return;

	case K_DOWNARROW:
		key_tabpartial[0] = 0;

		if (history_line == edit_line)
		{
			//clear editline
			key_lines[edit_line][1] = 0;
			key_linepos = 1;
			return;
		}

		do {
			history_line = (history_line + 1) & (CMDLINES-1);
		} while (history_line != edit_line
			&& !key_lines[history_line][1]);
		if (history_line == edit_line)
		{
			key_lines[edit_line][0] = ']';
			key_linepos = 1;
		}
		else
		{
			strcpy(key_lines[edit_line], key_lines[history_line]);
			key_linepos = strlen(key_lines[edit_line]);
		}
		return;
	}

// clipboard pasting
	if ((key == 'V' || key == 'v') && keydown[K_CTRL])
	{
		char	*cliptext;
		int		len;

		if ((cliptext = Sys_GetClipboardData()))
		{
			len = strlen (cliptext);
			if (len + strlen(key_lines[edit_line]) > MAX_CMDLINE - 1)
				len = MAX_CMDLINE - 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;
			}
		}
		return;
	}
	
	if (key < 32 || key > 127)
		return;	// non printable

	if (key_linepos < MAX_CMDLINE-1)
	{
		int i;

		key_tabpartial[0] = 0;

		if (key_insert)	// check insert mode
		{
			// can't do strcpy to move string to right
			i = strlen(key_lines[edit_line]) - 1;

			if (i == 254)
				i--;

			for (; i >= key_linepos; i--)
				key_lines[edit_line][i + 1] = key_lines[edit_line][i];
		}

		// only null terminate if at the end
		i = key_lines[edit_line][key_linepos];
		key_lines[edit_line][key_linepos] = key;
		key_linepos++;

		if (!i)
			key_lines[edit_line][key_linepos] = 0;
	}

}

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

#define	MAX_CHAT_SIZE	45
char		chat_buffer[MAX_CHAT_SIZE];
qboolean team_message = false;

void Key_Message (int key)
{
	static int chat_bufferlen = 0;

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

		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 == MAX_CHAT_SIZE - (team_message ? 6 : 1)) // 6 vs 1 = so same amount of text onscreen in "say" versus "say_team"
		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)
{
	keyname_t	*kn;
	
	if (!str || !str[0])
		return -1;
	if (!str[1])
		return str[0];

	for (kn = keynames ; kn->name ; kn++)
	{
		if (!strcasecmp(str,kn->name))
			return kn->keynum;
	}
	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;

	return "<UNKNOWN KEYNUM>";
}


/*
===================
Key_SetBinding
===================
*/
void Key_SetBinding (int keynum, char *binding)
{
	char	*new;
	int		l;
			
	if (keynum == -1)
		return;

// free old bindings
	if (keybindings[keynum])
	{
		Z_Free (keybindings[keynum]);
		keybindings[keynum] = NULL;
	}
			
// allocate memory for new binding
	l = strlen (binding);	
	new = Z_Malloc (l+1);
	strcpy (new, binding);
	new[l] = 0;
	keybindings[keynum] = new;	
}

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

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

	Key_SetBinding (b, "");
}

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

/*
============
Key_Bindlist_f
============
*/
void Key_Bindlist_f (void)
{
	int		i, count;

	count = 0;
	for (i=0 ; i<256 ; i++)
		if (keybindings[i])
			if (*keybindings[i])
			{
				Con_SafePrintf ("   %s \"%s\"\n", Key_KeynumToString(i), keybindings[i]);
				count++;
			}
	Con_SafePrintf ("%i bindings\n", count);
}

/*
===================
Key_Bind_f
===================
*/
void Key_Bind_f (void)
{
	int			i, c, b;
	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));
	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\" = \"%s\"\n", Cmd_Argv(1), keybindings[b] );
		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++)
	{
		if (i > 2)
			strcat (cmd, " ");
		strcat (cmd, Cmd_Argv(i));
	}

	Key_SetBinding (b, cmd);
}

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

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

	for (i=0 ; i<256 ; i++)
		if (keybindings[i])
			if (*keybindings[i])
				fprintf (f, "bind \"%s\" \"%s\"\n", Key_KeynumToString(i), keybindings[i]);
}


/*
============
History_Init
============
*/
void History_Init (void)
{
	int i, c;
	FILE *hf;

	for (i = 0; i < CMDLINES; i++) {
		key_lines[i][0] = ']';
		key_lines[i][1] = 0;
	}
	key_linepos = 1;

	if ((hf = fopen(va("%s/%s", com_gamedir, HISTORY_FILE), "rt")))
	{
		do
		{
			i = 1;
			do
			{
				c = fgetc(hf);
				key_lines[edit_line][i++] = c;
			} while (c != '\n' && c != EOF && i < MAX_CMDLINE);
			key_lines[edit_line][i - 1] = 0;
			edit_line = (edit_line + 1) & (CMDLINES - 1);
		} while (c != EOF && edit_line < CMDLINES);
		fclose(hf);

		history_line = edit_line = (edit_line - 1) & (CMDLINES - 1);
		key_lines[edit_line][0] = ']';
		key_lines[edit_line][1] = 0;
	}
}

/*
============
History_Close
============
*/
void History_Close (void)
{
	int i;
	FILE *hf;
	char lastentry[1024] = {0};

	if (!con_initialized)
		return;

	if ((hf = fopen(va("%s/%s", com_gamedir, HISTORY_FILE), "wt")))
	{
		i = edit_line;
		do
		{
			i = (i + 1) & (CMDLINES - 1);
		} while (i != edit_line && !key_lines[i][1]);

		do
		{
			if (lastentry[0]==0 || strcasecmp (lastentry, key_lines[i] + 1) != 0) // Baker: prevent saving the same line multiple times in a row
				if (strncasecmp(key_lines[i]+1, "quit", 4) != 0) // Baker: why save quit to the history file
					fprintf(hf, "%s\n", key_lines[i] + 1);

			strcpy (lastentry, key_lines[i] + 1);
			i = (i + 1) & (CMDLINES - 1);

		} while (i != edit_line && key_lines[i][1]);
		fclose(hf);
	}
}


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

// Baker ... we are now reading history instead of doing this
	
//
// init ascii characters in console mode
//
	for (i=32 ; i<128 ; i++)
		consolekeys[i] = true;
	consolekeys[K_ENTER] = true;
	consolekeys[KP_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_INS] = 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['`'] = false;
	consolekeys['~'] = false;

	// repeating keys
	for (i=0 ; i<256 ; i++)
		repeatkeys[i] = false;
	repeatkeys[K_BACKSPACE] = true;
	repeatkeys[K_DEL] = true;
	repeatkeys[K_PAUSE] = true;
	repeatkeys[K_PGUP] = true;
	repeatkeys[K_PGDN] = true;
	repeatkeys[K_LEFTARROW] = true;
	repeatkeys[K_RIGHTARROW] = true;

	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 ("bindlist",Key_Bindlist_f);
	Cmd_AddCommand ("bind",Key_Bind_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];

	keydown[key] = down;
/*
	if (keydown[K_CTRL] && keydown[K_ALT] && keydown[K_DEL])
		Sys_Error ("ctrl-alt-del pressed");
*/
	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_repeats[key] > 1 && !repeatkeys[key]) // use repeatkeys[]
			return;	// ignore most autorepeats
			
		if (key >= 200 && !keybindings[key])
			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)
	{
		if (!down)
			return;
		switch (key_dest)
		{
		case key_message:
			Key_Message (key);
			break;
		case key_menu:
			M_Keydown (key);
			break;
		case key_game:
		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 kenum as a parameter, so multiple
// downs can be matched with ups
//
	if (!down)
	{
		kb = keybindings[key];
		if (kb && kb[0] == '+')
		{
			sprintf (cmd, "-%s %i\n", kb+1, key);
			Cbuf_AddText (cmd);
		}
		if (keyshift[key] != key)
		{
			kb = keybindings[keyshift[key]];
			if (kb && kb[0] == '+')
			{
				sprintf (cmd, "-%s %i\n", kb+1, key);
				Cbuf_AddText (cmd);
			}
		}
		return;
	}

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

	if (cl.intermission == 12 && down)
	{
		Cbuf_AddText ("map keep1\n");
	}
		
//
// if not a consolekey, send to the interpreter no matter what mode is
//
	if ( (key_dest == key_menu && menubound[key])
	|| (key_dest == key_console && !consolekeys[key])
	|| (key_dest == key_game && ( !con_forcedup || !consolekeys[key] ) ) )
	{
		kb = keybindings[key];
		if (kb)
		{
			if (kb[0] == '+')
			{	// button commands add keynum as a parm
				sprintf (cmd, "%s %i\n", kb, key);
				Cbuf_AddText (cmd);
			}
			else
			{
				Cbuf_AddText (kb);
				Cbuf_AddText ("\n");
			}
		}
		return;
	}

	if (!down)
		return;		// other systems only care about key down events

	if (shift_down)
	{
		key = keyshift[key];
	}

	switch (key_dest)
	{
	case key_message:
		Key_Message (key);
		break;
	case key_menu:
		M_Keydown (key);
		break;

	case key_game:
	case key_console:
		Key_Console (key);
		break;
	default:
		Sys_Error ("Bad key_dest");
	}
}


/*
===================
Key_ClearStates

replaced with new function from Baker
===================
*/
void Key_ClearStates (void)
{
	int		i;

	for (i=0 ; i<256 ; i++)
	{
		// if the key is down, trigger the up action if, say, +showscores or another +bind is activated
		if (keydown[i])
			Key_Event (i, false);
	}
}