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newtree/source/keys.c
Bill Currie a7c23e13a9 handle X11 key repeat properly
2001-05-13 22:29:41 +00:00

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/*
keys.c
(description)
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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
$Id$
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#ifdef _WIN32
# include <windows.h>
#endif
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include <stdlib.h>
#include <ctype.h>
#include "client.h"
#include "cmd.h"
#include "console.h"
#include "cvar.h"
#include "keys.h"
#include "menu.h"
#include "screen.h"
#include "sys.h"
/*
key up events are sent even if in console mode
*/
cvar_t *cl_chatmode;
#define MAXCMDLINE 256
char key_lines[32][MAXCMDLINE];
int key_linepos;
int key_lastpress;
int edit_line = 0;
int history_line = 0;
keydest_t key_dest = key_console;
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];
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_PRNTSCR},
{"SCRLCK", K_SCRLCK},
{"PAUSE", K_PAUSE},
{"UPARROW", K_UPARROW},
{"DOWNARROW", K_DOWNARROW},
{"LEFTARROW", K_LEFTARROW},
{"RIGHTARROW", K_RIGHTARROW},
{"ALT", K_ALT},
{"CTRL", K_CTRL},
{"SHIFT", K_SHIFT},
// Keypad stuff..
// These are duplicated
{"NUMLOCK", KP_NUMLCK},
{"KP_NUMLCK", KP_NUMLCK},
{"KP_NUMLOCK", KP_NUMLCK},
{"KP_SLASH", KP_DIVIDE},
{"KP_DIVIDE", KP_DIVIDE},
{"KP_STAR", KP_MULTIPLY},
{"KP_MULTIPLY", KP_MULTIPLY},
{"KP_MINUS", KP_MINUS},
{"KP_HOME", KP_HOME},
{"KP_UPARROW", KP_UPARROW},
{"KP_PGUP", KP_PGUP},
{"KP_PLUS", KP_PLUS},
{"KP_LEFTARROW", KP_LEFTARROW},
{"KP_5", KP_5},
{"KP_RIGHTARROW", KP_RIGHTARROW},
{"KP_END", KP_END},
{"KP_DOWNARROW", KP_DOWNARROW},
{"KP_PGDN", KP_PGDN},
{"KP_INS", 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},
{"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},
{"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);
if (!cmd || strcmp (cmd, command))
cmd = Cvar_CompleteVariable (command);
if (!cmd || strcmp (cmd, command))
return false; // just a chat message
return true;
}
void
CompleteCommand (void)
{
char *cmd, *s;
s = key_lines[edit_line] + 1;
if (*s == '\\' || *s == '/')
s++;
cmd = Cmd_CompleteCommand (s);
if (!cmd)
cmd = Cvar_CompleteVariable (s);
if (cmd) {
key_lines[edit_line][1] = '/';
strcpy (key_lines[edit_line] + 2, cmd);
key_linepos = strlen (cmd) + 2;
key_lines[edit_line][key_linepos] = ' ';
key_linepos++;
key_lines[edit_line][key_linepos] = 0;
return;
}
}
/*
Key_Console
Interactive line editing and console scrollback
*/
void
Key_Console (int key)
{
int i;
#ifdef _WIN32
HANDLE th;
char *clipText, *textCopied;
#endif
switch (key) {
case K_ENTER:
// backslash text are commands
if (key_lines[edit_line][1] == '/'
&& key_lines[edit_line][2] == '/') goto no_lf;
else if (key_lines[edit_line][1] == '\\'
|| key_lines[edit_line][1] == '/')
Cbuf_AddText (key_lines[edit_line] + 2); // skip the ]/
else if (cl_chatmode->int_val != 1 && CheckForCommand ())
Cbuf_AddText (key_lines[edit_line] + 1); // valid command
else if ((cls.state >= ca_connected && cl_chatmode->int_val == 2)
|| cl_chatmode->int_val == 1) {
if (cls.state < ca_connected) // can happen if cl_chatmode
// is 1
goto no_lf; // the text goes to /dev/null :)
// convert to a chat message
Cbuf_AddText ("say ");
Cbuf_AddText (key_lines[edit_line] + 1);
} else
Cbuf_AddText (key_lines[edit_line] + 1); // skip the ]
Cbuf_AddText ("\n");
no_lf:
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;
case K_TAB:
// command completion
CompleteCommand ();
return;
case K_BACKSPACE:
if (key_linepos > 1) {
strcpy (key_lines[edit_line] + key_linepos - 1,
key_lines[edit_line] + key_linepos);
key_linepos--;
}
return;
case K_DEL:
if (key_linepos < strlen (key_lines[edit_line]))
strcpy (key_lines[edit_line] + key_linepos,
key_lines[edit_line] + key_linepos + 1);
return;
case K_RIGHTARROW:
if (key_linepos < strlen (key_lines[edit_line]))
key_linepos++;
return;
case K_LEFTARROW:
if (key_linepos > 1)
key_linepos--;
return;
case 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;
strcpy (key_lines[edit_line], key_lines[history_line]);
key_linepos = strlen (key_lines[edit_line]);
return;
case 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_lines[edit_line][1] = 0;
key_linepos = 1;
} else {
strcpy (key_lines[edit_line], key_lines[history_line]);
key_linepos = strlen (key_lines[edit_line]);
}
return;
case K_MWHEELUP:
case K_PGUP:
if (con->display - con->current + con->numlines > 2)
con->display -= 2;
return;
case K_MWHEELDOWN:
case K_PGDN:
con->display += 2;
if (con->display > con->current)
con->display = con->current;
return;
case K_HOME:
if (keydown[K_CTRL]) {
if (con->numlines > 10)
con->display = con->current - con->numlines + 10;
} else
key_linepos = 1;
return;
case K_END:
if (keydown[K_CTRL])
con->display = con->current;
else
key_linepos = strlen (key_lines[edit_line]);
return;
}
#ifdef _WIN32
if ((key == 'V' || key == 'v') && GetKeyState (VK_CONTROL) < 0) {
if (OpenClipboard (NULL)) {
th = GetClipboardData (CF_TEXT);
if (th) {
clipText = GlobalLock (th);
if (clipText) {
textCopied = malloc (GlobalSize (th) + 1);
strcpy (textCopied, clipText);
/* Substitutes a NULL for every token */
strtok (textCopied, "\n\r\b");
i = strlen (textCopied);
if (i + strlen (key_lines[edit_line]) > MAXCMDLINE - 1)
i = MAXCMDLINE - 1 - strlen (key_lines[edit_line]);
if (i > 0) { // insert the string
memmove (key_lines[edit_line] + key_linepos + i,
key_lines[edit_line] + key_linepos,
strlen (key_lines[edit_line]) - key_linepos +
1);
memcpy (key_lines[edit_line] + key_linepos, textCopied,
i);
key_linepos += i;
}
free (textCopied);
}
GlobalUnlock (th);
}
CloseClipboard ();
return;
}
}
#endif
if (key < 32 || key > 127)
return; // non printable
i = strlen (key_lines[edit_line]);
if (i >= MAXCMDLINE - 1)
return;
// This also moves the ending \0
memmove (key_lines[edit_line] + key_linepos + 1,
key_lines[edit_line] + key_linepos, i - key_linepos + 1);
key_lines[edit_line][key_linepos] = key;
key_linepos++;
}
//============================================================================
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 \"");
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 == 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)
{
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]) {
free (keybindings[keynum]);
keybindings[keynum] = NULL;
}
// allocate memory for new binding
l = strlen (binding);
new = 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_Bind_f
*/
void
Key_Bind_f (void)
{
int i, c, b;
char cmd[1024];
c = Cmd_Argc ();
if (c < 2) {
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++) {
strncat (cmd, Cmd_Argv (i), sizeof (cmd) - strlen (cmd));
if (i != (c - 1))
strncat (cmd, " ", sizeof (cmd) - strlen (cmd));
}
Key_SetBinding (b, cmd);
}
/*
Key_WriteBindings
Writes lines containing "bind key value"
*/
void
Key_WriteBindings (QFile *f)
{
int i;
for (i = 0; i < 256; i++)
if (keybindings[i])
Qprintf (f, "bind \"%s\" \"%s\"\n", Key_KeynumToString (i),
keybindings[i]); // 1999-12-26 bound keys not saved in
// quotes fix by Maddes
}
/*
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['`'] = 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, "Assign a command or a set of commands to a key.\n"
"Note: To bind multiple commands to a key, enclose the commands in quotes and separate with semi-colons. \n"
"To bind to non-printable keys, use the key name.\n"
"Key Name List: Escape, F1-F12, pause, backspace, tab, semicolon, enter, shift, ctrl, alt, space, ins,\n"
"home, pgup, del, end, pgdn, uparrow, downarrow, leftarrow, rightarrow, mouse1-mouse3, aux1-aux9, joy1-joy4,\n"
"mwheelup, mwheeldown\n"
"Special: The escape, and ~ (tilde) keys can only be bound from an external configuration file.");
Cmd_AddCommand ("unbind", Key_Unbind_f, "Remove the bind from the the selected key");
Cmd_AddCommand ("unbindall", Key_Unbindall_f, "Remove all binds (USE CAUTIOUSLY!!!)");
}
void
Key_Init_Cvars (void)
{
cl_chatmode = Cvar_Get ("cl_chatmode", "2", CVAR_NONE, NULL,
"Controls when console text will be treated as a chat message: 0 - never, 1 - always, 2 - smart");
}
/*
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, int alt_key, qboolean down)
{
char *kb;
char cmd[1024];
// Con_Printf ("%i : %i\n", key, down); //@@@
// They don't prove it, fall back to interal MESS.
if (alt_key == -1) {
if (keydown[K_SHIFT]) {
alt_key = keyshift[key];
}
}
keydown[key] = down;
if (!down)
key_repeats[key] = 0;
key_lastpress = key;
// update auto-repeat status
if (down) {
key_repeats[key]++;
if (key_repeats[key] > 1) {
if ((key != K_BACKSPACE && key != K_DEL
&& key != K_LEFTARROW && key != K_RIGHTARROW
&& key != K_PGUP && key != K_PGDN)
|| (key_dest == key_game && cls.state == ca_active))
return; // ignore most autorepeats
}
if (key >= 200 && !keybindings[key])
Con_Printf ("%s is unbound, hit F4 to set.\n",
Key_KeynumToString (key));
}
// Exit message mode is disconnected
if (key_dest == key_message && cls.state != ca_active)
key_dest = key_console;
//
// 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] == '+') {
snprintf (cmd, sizeof (cmd), "-%s %i\n", kb + 1, key);
Cbuf_AddText (cmd);
}
if (islower (key)) {
kb = keybindings[toupper (key)];
if (kb && kb[0] == '+') {
snprintf (cmd, sizeof (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
&& key != K_CTRL && key != K_DEL && key != K_HOME && key != K_END
&& key != K_TAB) {
M_ToggleMenu_f ();
return;
}
//
// 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
&& (cls.state == ca_active || !consolekeys[key]))) {
kb = keybindings[key];
if (kb) {
if (kb[0] == '+') { // button commands add keynum as a
// parm
snprintf (cmd, sizeof (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 (alt_key > 0)
key = alt_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
*/
void
Key_ClearStates (void)
{
int i;
for (i = 0; i < 256; i++) {
keydown[i] = false;
key_repeats[i] = false;
}
}
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