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quadrilateralcowboy/framework/KeyInput.cpp
brendon 47a1010d23 Initial commit
2020-06-12 14:06:25 -07:00

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/*
===========================================================================
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.
===========================================================================
*/
#include "../idlib/precompiled.h"
#pragma hdrstop
typedef struct {
char *name;
int keynum;
char *strId; // localized string id
} keyname_t;
// keys that can be set without a special name
static const char unnamedkeys[] = "*,-=./[\\]1234567890abcdefghijklmnopqrstuvwxyz";
#if MACOS_X
const char* OSX_GetLocalizedString( const char* );
#endif
// names not in this list can either be lowercase ascii, or '0xnn' hex sequences
keyname_t keynames[] =
{
{"TAB", K_TAB, "#str_07018"},
{"ENTER", K_ENTER, "#str_07019"},
{"ESCAPE", K_ESCAPE, "#str_07020"},
{"SPACE", K_SPACE, "#str_07021"},
{"BACKSPACE", K_BACKSPACE, "#str_07022"},
{"UPARROW", K_UPARROW, "#str_07023"},
{"DOWNARROW", K_DOWNARROW, "#str_07024"},
{"LEFTARROW", K_LEFTARROW, "#str_07025"},
{"RIGHTARROW", K_RIGHTARROW, "#str_07026"},
{"ALT", K_ALT, "#str_07027"},
{"RIGHTALT", K_RIGHT_ALT, "#str_07027"},
{"CTRL", K_CTRL, "#str_07028"},
{"SHIFT", K_SHIFT, "#str_07029"},
{"LWIN", K_LWIN, "#str_07030"},
{"RWIN", K_RWIN, "#str_07031"},
{"MENU", K_MENU, "#str_07032"},
{"COMMAND", K_COMMAND, "#str_07033"},
{"CAPSLOCK", K_CAPSLOCK, "#str_07034"},
{"SCROLL", K_SCROLL, "#str_07035"},
{"PRINTSCREEN", K_PRINT_SCR, "#str_07179"},
{"F1", K_F1, "#str_07036"},
{"F2", K_F2, "#str_07037"},
{"F3", K_F3, "#str_07038"},
{"F4", K_F4, "#str_07039"},
{"F5", K_F5, "#str_07040"},
{"F6", K_F6, "#str_07041"},
{"F7", K_F7, "#str_07042"},
{"F8", K_F8, "#str_07043"},
{"F9", K_F9, "#str_07044"},
{"F10", K_F10, "#str_07045"},
{"F11", K_F11, "#str_07046"},
{"F12", K_F12, "#str_07047"},
{"INS", K_INS, "#str_07048"},
{"DEL", K_DEL, "#str_07049"},
{"PGDN", K_PGDN, "#str_07050"},
{"PGUP", K_PGUP, "#str_07051"},
{"HOME", K_HOME, "#str_07052"},
{"END", K_END, "#str_07053"},
{"MOUSE1", K_MOUSE1, "#str_07054"},
{"MOUSE2", K_MOUSE2, "#str_07055"},
{"MOUSE3", K_MOUSE3, "#str_07056"},
{"MOUSE4", K_MOUSE4, "#str_07057"},
{"MOUSE5", K_MOUSE5, "#str_07058"},
{"MOUSE6", K_MOUSE6, "#str_07059"},
{"MOUSE7", K_MOUSE7, "#str_07060"},
{"MOUSE8", K_MOUSE8, "#str_07061"},
{"MWHEELUP", K_MWHEELUP, "#str_07131"},
{"MWHEELDOWN", K_MWHEELDOWN, "#str_07132"},
{"JOY1", K_JOY1, "#str_07062"},
{"JOY2", K_JOY2, "#str_07063"},
{"JOY3", K_JOY3, "#str_07064"},
{"JOY4", K_JOY4, "#str_07065"},
{"JOY5", K_JOY5, "#str_07066"},
{"JOY6", K_JOY6, "#str_07067"},
{"JOY7", K_JOY7, "#str_07068"},
{"JOY8", K_JOY8, "#str_07069"},
{"JOY9", K_JOY9, "#str_07070"},
{"JOY10", K_JOY10, "#str_07071"},
{"JOY11", K_JOY11, "#str_07072"},
{"JOY12", K_JOY12, "#str_07073"},
{"JOY13", K_JOY13, "#str_07074"},
{"JOY14", K_JOY14, "#str_07075"},
{"JOY15", K_JOY15, "#str_07076"},
{"JOY_STICK1_UP", K_JOY_STICK1_UP, "JOY_STICK1_UP"},
{"JOY_STICK1_DOWN", K_JOY_STICK1_DOWN, "JOY_STICK1_DOWN"},
{"JOY_STICK1_LEFT", K_JOY_STICK1_LEFT, "JOY_STICK1_LEFT"},
{"JOY_STICK1_RIGHT", K_JOY_STICK1_RIGHT, "JOY_STICK1_RIGHT"},
{"JOY_STICK2_UP", K_JOY_STICK2_UP, "JOY_STICK2_UP"},
{"JOY_STICK2_DOWN", K_JOY_STICK2_DOWN, "JOY_STICK2_DOWN"},
{"JOY_STICK2_LEFT", K_JOY_STICK2_LEFT, "JOY_STICK2_LEFT"},
{"JOY_STICK2_RIGHT", K_JOY_STICK2_RIGHT, "JOY_STICK2_RIGHT"},
{"JOY_TRIGGER1", K_JOY_TRIGGER1, "JOY_TRIGGER1"},
{"JOY_TRIGGER2", K_JOY_TRIGGER2, "JOY_TRIGGER2"},
{"JOY_DPAD_UP", K_JOY_DPAD_UP, "JOY_DPAD_UP"},
{"JOY_DPAD_DOWN", K_JOY_DPAD_DOWN, "JOY_DPAD_DOWN"},
{"JOY_DPAD_LEFT", K_JOY_DPAD_LEFT, "JOY_DPAD_LEFT"},
{"JOY_DPAD_RIGHT", K_JOY_DPAD_RIGHT, "JOY_DPAD_RIGHT"},
{"AUX1", K_AUX1, "#str_07094"},
{"AUX2", K_AUX2, "#str_07095"},
{"AUX3", K_AUX3, "#str_07096"},
{"AUX4", K_AUX4, "#str_07097"},
{"AUX5", K_AUX5, "#str_07098"},
{"AUX6", K_AUX6, "#str_07099"},
{"AUX7", K_AUX7, "#str_07100"},
{"AUX8", K_AUX8, "#str_07101"},
{"AUX9", K_AUX9, "#str_07102"},
{"AUX10", K_AUX10, "#str_07103"},
{"AUX11", K_AUX11, "#str_07104"},
{"AUX12", K_AUX12, "#str_07105"},
{"AUX13", K_AUX13, "#str_07106"},
{"AUX14", K_AUX14, "#str_07107"},
{"AUX15", K_AUX15, "#str_07108"},
{"AUX16", K_AUX16, "#str_07109"},
{"KP_HOME", K_KP_HOME, "#str_07110"},
{"KP_UPARROW", K_KP_UPARROW, "#str_07111"},
{"KP_PGUP", K_KP_PGUP, "#str_07112"},
{"KP_LEFTARROW", K_KP_LEFTARROW, "#str_07113"},
{"KP_5", K_KP_5, "#str_07114"},
{"KP_RIGHTARROW", K_KP_RIGHTARROW, "#str_07115"},
{"KP_END", K_KP_END, "#str_07116"},
{"KP_DOWNARROW", K_KP_DOWNARROW, "#str_07117"},
{"KP_PGDN", K_KP_PGDN, "#str_07118"},
{"KP_ENTER", K_KP_ENTER, "#str_07119"},
{"KP_INS", K_KP_INS, "#str_07120"},
{"KP_DEL", K_KP_DEL, "#str_07121"},
{"KP_SLASH", K_KP_SLASH, "#str_07122"},
{"KP_MINUS", K_KP_MINUS, "#str_07123"},
{"KP_PLUS", K_KP_PLUS, "#str_07124"},
{"KP_NUMLOCK", K_KP_NUMLOCK, "#str_07125"},
{"KP_STAR", K_KP_STAR, "#str_07126"},
{"KP_EQUALS", K_KP_EQUALS, "#str_07127"},
{"PAUSE", K_PAUSE, "#str_07128"},
{"SEMICOLON", ';', "#str_07129"}, // because a raw semicolon separates commands
{"APOSTROPHE", '\'', "#str_07130"}, // because a raw apostrophe messes with parsing
{NULL, 0, NULL}
};
static const int MAX_KEYS = 256;
class idKey {
public:
idKey( void ) { down = false; repeats = 0; usercmdAction = 0; }
bool down;
int repeats; // if > 1, it is autorepeating
idStr binding;
int usercmdAction; // for testing by the asyncronous usercmd generation
};
bool key_overstrikeMode = false;
idKey * keys = NULL;
#define ID_DOOM_LEGACY
#ifdef ID_DOOM_LEGACY
char * cheatCodes[] = {
"iddqd", // Invincibility
"idkfa", // All weapons, keys, ammo, and 200% armor
"idfa", // Reset ammunition
"idspispopd", // Walk through walls
"idclip", // Walk through walls
"idchoppers", // Chainsaw
/*
"idbeholds", // Berserker strength
"idbeholdv", // Temporary invincibility
"idbeholdi", // Temporary invisibility
"idbeholda", // Full automap
"idbeholdr", // Anti-radiation suit
"idbeholdl", // Light amplification visor
"idclev", // Level select
"iddt", // Toggle full map; full map and objects; normal map
"idmypos", // Display coordinates and heading
"idmus", // Change music to indicated level
"fhhall", // Kill all enemies in level
"fhshh", // Invisible to enemies until attack
*/
NULL
};
char lastKeys[32];
int lastKeyIndex;
#endif
/*
===================
idKeyInput::ArgCompletion_KeyName
===================
*/
void idKeyInput::ArgCompletion_KeyName( const idCmdArgs &args, void(*callback)( const char *s ) ) {
keyname_t *kn;
int i;
for( i = 0; i < sizeof( unnamedkeys ) - 1; i++ ) {
callback( va( "%s %c", args.Argv( 0 ), unnamedkeys[ i ] ) );
}
for ( kn = keynames; kn->name; kn++ ) {
callback( va( "%s %s", args.Argv( 0 ), kn->name ) );
}
}
/*
===================
idKeyInput::GetOverstrikeMode
===================
*/
bool idKeyInput::GetOverstrikeMode( void ) {
return key_overstrikeMode;
}
/*
===================
idKeyInput::SetOverstrikeMode
===================
*/
void idKeyInput::SetOverstrikeMode( bool state ) {
key_overstrikeMode = state;
}
/*
===================
idKeyInput::IsDown
===================
*/
bool idKeyInput::IsDown( int keynum ) {
if ( keynum == -1 ) {
return false;
}
return keys[keynum].down;
}
/*
===================
idKeyInput::StringToKeyNum
Returns a key number to be used to index keys[] by looking at
the given string. Single ascii characters return themselves, while
the K_* names are matched up.
0x11 will be interpreted as raw hex, which will allow new controlers
to be configured even if they don't have defined names.
===================
*/
int idKeyInput::StringToKeyNum( const char *str ) {
keyname_t *kn;
if ( !str || !str[0] ) {
return -1;
}
if ( !str[1] ) {
return (unsigned char)(str[0]);
}
// check for hex code
if ( str[0] == '0' && str[1] == 'x' && strlen( str ) == 4 ) {
int n1, n2;
n1 = str[2];
if ( n1 >= '0' && n1 <= '9' ) {
n1 -= '0';
} else if ( n1 >= 'a' && n1 <= 'f' ) {
n1 = n1 - 'a' + 10;
} else {
n1 = 0;
}
n2 = str[3];
if ( n2 >= '0' && n2 <= '9' ) {
n2 -= '0';
} else if ( n2 >= 'a' && n2 <= 'f' ) {
n2 = n2 - 'a' + 10;
} else {
n2 = 0;
}
return n1 * 16 + n2;
}
// scan for a text match
for ( kn = keynames; kn->name; kn++ ) {
if ( !idStr::Icmp( str, kn->name ) ) {
return kn->keynum;
}
}
return -1;
}
/*
===================
idKeyInput::KeyNumToString
Returns a string (either a single ascii char, a K_* name, or a 0x11 hex string) for the
given keynum.
===================
*/
const char *idKeyInput::KeyNumToString( int keynum, bool localized ) {
keyname_t *kn;
static char tinystr[5];
int i, j;
if ( keynum == -1 ) {
return "<KEY NOT FOUND>";
}
if ( keynum < 0 || keynum > 255 ) {
return "<OUT OF RANGE>";
}
// check for printable ascii (don't use quote)
if ( keynum > 32 && keynum < 127 && keynum != '"' && keynum != ';' && keynum != '\'' ) {
tinystr[0] = Sys_MapCharForKey( keynum );
tinystr[1] = 0;
return tinystr;
}
// check for a key string
for ( kn = keynames; kn->name; kn++ ) {
if ( keynum == kn->keynum ) {
if ( !localized || kn->strId[0] != '#' ) {
return kn->name;
} else {
#if MACOS_X
switch ( kn->keynum ) {
case K_ENTER:
case K_BACKSPACE:
case K_ALT:
case K_INS:
case K_PRINT_SCR:
return OSX_GetLocalizedString( kn->name );
break;
default :
return common->GetLanguageDict()->GetString( kn->strId ); break;
}
#else
return common->GetLanguageDict()->GetString( kn->strId );
#endif
}
}
}
// check for European high-ASCII characters
if ( localized && keynum >= 161 && keynum <= 255 ) {
tinystr[0] = keynum;
tinystr[1] = 0;
return tinystr;
}
// make a hex string
i = keynum >> 4;
j = keynum & 15;
tinystr[0] = '0';
tinystr[1] = 'x';
tinystr[2] = i > 9 ? i - 10 + 'a' : i + '0';
tinystr[3] = j > 9 ? j - 10 + 'a' : j + '0';
tinystr[4] = 0;
return tinystr;
}
/*
===================
idKeyInput::SetBinding
===================
*/
void idKeyInput::SetBinding( int keynum, const char *binding ) {
if ( keynum == -1 ) {
return;
}
// Clear out all button states so we aren't stuck forever thinking this key is held down
usercmdGen->Clear();
// allocate memory for new binding
keys[keynum].binding = binding;
// find the action for the async command generation
keys[keynum].usercmdAction = usercmdGen->CommandStringUsercmdData( binding );
// consider this like modifying an archived cvar, so the
// file write will be triggered at the next oportunity
cvarSystem->SetModifiedFlags( CVAR_ARCHIVE );
}
/*
===================
idKeyInput::GetBinding
===================
*/
const char *idKeyInput::GetBinding( int keynum ) {
if ( keynum == -1 ) {
return "";
}
return keys[ keynum ].binding;
}
/*
===================
idKeyInput::GetUsercmdAction
===================
*/
int idKeyInput::GetUsercmdAction( int keynum ) {
return keys[ keynum ].usercmdAction;
}
/*
===================
Key_Unbind_f
===================
*/
void Key_Unbind_f( const idCmdArgs &args ) {
int b;
if ( args.Argc() != 2 ) {
common->Printf( "unbind <key> : remove commands from a key\n" );
return;
}
b = idKeyInput::StringToKeyNum( args.Argv(1) );
if ( b == -1 ) {
// If it wasn't a key, it could be a command
if ( !idKeyInput::UnbindBinding( args.Argv(1) ) ) {
common->Printf( "\"%s\" isn't a valid key\n", args.Argv(1) );
}
} else {
idKeyInput::SetBinding( b, "" );
}
}
/*
===================
Key_Unbindall_f
===================
*/
void Key_Unbindall_f( const idCmdArgs &args ) {
int i;
for ( i = 0; i < MAX_KEYS; i++ ) {
idKeyInput::SetBinding( i, "" );
}
}
/*
===================
Key_Bind_f
===================
*/
void Key_Bind_f( const idCmdArgs &args ) {
int i, c, b;
char cmd[MAX_STRING_CHARS];
c = args.Argc();
if ( c < 2 ) {
common->Printf( "bind <key> [command] : attach a command to a key\n" );
return;
}
b = idKeyInput::StringToKeyNum( args.Argv(1) );
if ( b == -1 ) {
common->Printf( "\"%s\" isn't a valid key\n", args.Argv(1) );
return;
}
if ( c == 2 ) {
if ( keys[b].binding.Length() ) {
common->Printf( "\"%s\" = \"%s\"\n", args.Argv(1), keys[b].binding.c_str() );
}
else {
common->Printf( "\"%s\" is not bound\n", args.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, args.Argv( i ) );
if ( i != (c-1) ) {
strcat( cmd, " " );
}
}
idKeyInput::SetBinding( b, cmd );
}
/*
============
Key_BindUnBindTwo_f
binds keynum to bindcommand and unbinds if there are already two binds on the key
============
*/
void Key_BindUnBindTwo_f( const idCmdArgs &args ) {
int c = args.Argc();
if ( c < 3 ) {
common->Printf( "bindunbindtwo <keynum> [command]\n" );
return;
}
int key = atoi( args.Argv( 1 ) );
idStr bind = args.Argv( 2 );
if ( idKeyInput::NumBinds( bind ) >= 2 && !idKeyInput::KeyIsBoundTo( key, bind ) ) {
idKeyInput::UnbindBinding( bind );
}
idKeyInput::SetBinding( key, bind );
}
/*
============
idKeyInput::WriteBindings
Writes lines containing "bind key value"
============
*/
void idKeyInput::WriteBindings( idFile *f ) {
int i;
f->Printf( "unbindall\n" );
for ( i = 0; i < MAX_KEYS; i++ ) {
if ( keys[i].binding.Length() ) {
const char *name = KeyNumToString( i, false );
// handle the escape character nicely
if ( !strcmp( name, "\\" ) ) {
f->Printf( "bind \"\\\" \"%s\"\n", keys[i].binding.c_str() );
} else {
f->Printf( "bind \"%s\" \"%s\"\n", KeyNumToString( i, false ), keys[i].binding.c_str() );
}
}
}
}
/*
============
Key_ListBinds_f
============
*/
void Key_ListBinds_f( const idCmdArgs &args ) {
int i;
for ( i = 0; i < MAX_KEYS; i++ ) {
if ( keys[i].binding.Length() ) {
common->Printf( "%s \"%s\"\n", idKeyInput::KeyNumToString( i, false ), keys[i].binding.c_str() );
}
}
}
/*
============
idKeyInput::KeysFromBinding
returns the localized name of the key for the binding
============
*/
const char *idKeyInput::KeysFromBinding( const char *bind ) {
int i;
static char keyName[MAX_STRING_CHARS];
keyName[0] = '\0';
if ( bind && *bind ) {
for ( i = 0; i < MAX_KEYS; i++ ) {
if ( keys[i].binding.Icmp( bind ) == 0 ) {
if ( keyName[0] != '\0' ) {
idStr::Append( keyName, sizeof( keyName ), common->GetLanguageDict()->GetString( "#str_07183" ) );
}
idStr::Append( keyName, sizeof( keyName ), KeyNumToString( i, true ) );
}
}
}
if ( keyName[0] == '\0' ) {
idStr::Copynz( keyName, common->GetLanguageDict()->GetString( "#str_07133" ), sizeof( keyName ) );
}
idStr::ToLower( keyName );
return keyName;
}
/*
============
idKeyInput::BindingFromKey
returns the binding for the localized name of the key
============
*/
const char *idKeyInput::BindingFromKey( const char *key ) {
const int keyNum = idKeyInput::StringToKeyNum( key );
if ( keyNum<0 || keyNum >= MAX_KEYS ) {
return NULL;
}
return keys[keyNum].binding.c_str();
}
/*
============
idKeyInput::UnbindBinding
============
*/
bool idKeyInput::UnbindBinding( const char *binding ) {
bool unbound = false;
int i;
if ( binding && *binding ) {
for ( i = 0; i < MAX_KEYS; i++ ) {
if ( keys[i].binding.Icmp( binding ) == 0 ) {
SetBinding( i, "" );
unbound = true;
}
}
}
return unbound;
}
/*
============
idKeyInput::NumBinds
============
*/
int idKeyInput::NumBinds( const char *binding ) {
int i, count = 0;
if ( binding && *binding ) {
for ( i = 0; i < MAX_KEYS; i++ ) {
if ( keys[i].binding.Icmp( binding ) == 0 ) {
count++;
}
}
}
return count;
}
/*
============
idKeyInput::KeyIsBountTo
============
*/
bool idKeyInput::KeyIsBoundTo( int keynum, const char *binding ) {
if ( keynum >= 0 && keynum < MAX_KEYS ) {
return ( keys[keynum].binding.Icmp( binding ) == 0 );
}
return false;
}
/*
===================
idKeyInput::PreliminaryKeyEvent
Tracks global key up/down state
Called by the system for both key up and key down events
===================
*/
void idKeyInput::PreliminaryKeyEvent( int keynum, bool down ) {
keys[keynum].down = down;
#ifdef ID_DOOM_LEGACY
if ( down ) {
lastKeys[ 0 + ( lastKeyIndex & 15 )] = keynum;
lastKeys[16 + ( lastKeyIndex & 15 )] = keynum;
lastKeyIndex = ( lastKeyIndex + 1 ) & 15;
for ( int i = 0; cheatCodes[i] != NULL; i++ ) {
int l = strlen( cheatCodes[i] );
assert( l <= 16 );
if ( idStr::Icmpn( lastKeys + 16 + ( lastKeyIndex & 15 ) - l, cheatCodes[i], l ) == 0 ) {
common->Printf( "your memory serves you well!\n" );
break;
}
}
}
#endif
}
/*
=================
idKeyInput::ExecKeyBinding
=================
*/
bool idKeyInput::ExecKeyBinding( int keynum ) {
// commands that are used by the async thread
// don't add text
if ( keys[keynum].usercmdAction ) {
return false;
}
// send the bound action
if ( keys[keynum].binding.Length() ) {
cmdSystem->BufferCommandText( CMD_EXEC_APPEND, keys[keynum].binding.c_str() );
cmdSystem->BufferCommandText( CMD_EXEC_APPEND, "\n" );
}
return true;
}
/*
===================
idKeyInput::ClearStates
===================
*/
void idKeyInput::ClearStates( void ) {
int i;
for ( i = 0; i < MAX_KEYS; i++ ) {
if ( keys[i].down ) {
PreliminaryKeyEvent( i, false );
}
keys[i].down = false;
}
// clear the usercommand states
usercmdGen->Clear();
}
/*
===================
idKeyInput::Init
===================
*/
void idKeyInput::Init( void ) {
keys = new idKey[MAX_KEYS];
// register our functions
cmdSystem->AddCommand( "bind", Key_Bind_f, CMD_FL_SYSTEM, "binds a command to a key", idKeyInput::ArgCompletion_KeyName );
cmdSystem->AddCommand( "bindunbindtwo", Key_BindUnBindTwo_f, CMD_FL_SYSTEM, "binds a key but unbinds it first if there are more than two binds" );
cmdSystem->AddCommand( "unbind", Key_Unbind_f, CMD_FL_SYSTEM, "unbinds any command from a key", idKeyInput::ArgCompletion_KeyName );
cmdSystem->AddCommand( "unbindall", Key_Unbindall_f, CMD_FL_SYSTEM, "unbinds any commands from all keys" );
cmdSystem->AddCommand( "listBinds", Key_ListBinds_f, CMD_FL_SYSTEM, "lists key bindings" );
}
/*
===================
idKeyInput::Shutdown
===================
*/
void idKeyInput::Shutdown( void ) {
delete [] keys;
keys = NULL;
}
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