path: root/tty-keys.c

/* $OpenBSD$ */

/*
 * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <sys/types.h>
#include <sys/time.h>

#include <string.h>
#include <termios.h>
#include <unistd.h>

#include "tmux.h"

void	tty_keys_add(struct tty *, const char *, int, int);
int	tty_keys_parse_xterm(struct tty *, char *, size_t, size_t *);
int	tty_keys_parse_mouse(struct tty *, char *, size_t, size_t *, u_char *);

struct tty_key_ent {
	enum tty_code_code	code;
	const char	       *string;

	int	 	 	key;
	int		 	flags;
};

struct tty_key_ent tty_keys[] = {
	/* Function keys. */
	{ TTYC_KF1,   NULL,     KEYC_F1,    TTYKEY_CTRL },
	{ TTYC_KF2,   NULL,     KEYC_F2,    TTYKEY_CTRL },
	{ TTYC_KF3,   NULL,     KEYC_F3,    TTYKEY_CTRL },
	{ TTYC_KF4,   NULL,     KEYC_F4,    TTYKEY_CTRL },
	{ TTYC_KF5,   NULL,     KEYC_F5,    TTYKEY_CTRL },
	{ TTYC_KF6,   NULL,     KEYC_F6,    TTYKEY_CTRL },
	{ TTYC_KF7,   NULL,     KEYC_F7,    TTYKEY_CTRL },
	{ TTYC_KF8,   NULL,     KEYC_F8,    TTYKEY_CTRL },
	{ TTYC_KF9,   NULL,     KEYC_F9,    TTYKEY_CTRL },
	{ TTYC_KF10,  NULL,     KEYC_F10,   TTYKEY_CTRL },
	{ TTYC_KF11,  NULL,     KEYC_F11,   TTYKEY_CTRL },
	{ TTYC_KF12,  NULL,     KEYC_F12,   TTYKEY_CTRL },
	{ TTYC_KF13,  NULL,     KEYC_F13,   TTYKEY_CTRL },
	{ TTYC_KF14,  NULL,     KEYC_F14,   TTYKEY_CTRL },
	{ TTYC_KF15,  NULL,     KEYC_F15,   TTYKEY_CTRL },
	{ TTYC_KF16,  NULL,     KEYC_F16,   TTYKEY_CTRL },
	{ TTYC_KF17,  NULL,     KEYC_F17,   TTYKEY_CTRL },
	{ TTYC_KF18,  NULL,     KEYC_F18,   TTYKEY_CTRL },
	{ TTYC_KF19,  NULL,     KEYC_F19,   TTYKEY_CTRL },
	{ TTYC_KF20,  NULL,     KEYC_F20,   TTYKEY_CTRL },
	{ TTYC_KICH1, NULL,     KEYC_IC,    TTYKEY_CTRL },
	{ TTYC_KDCH1, NULL,     KEYC_DC,    TTYKEY_CTRL },
	{ TTYC_KHOME, NULL,     KEYC_HOME,  TTYKEY_CTRL },
	{ TTYC_KEND,  NULL,     KEYC_END,   TTYKEY_CTRL },
	{ TTYC_KNP,   NULL,     KEYC_NPAGE, TTYKEY_CTRL },
	{ TTYC_KPP,   NULL,     KEYC_PPAGE, TTYKEY_CTRL },
	{ TTYC_KCBT,  NULL,	KEYC_BTAB,  TTYKEY_CTRL },

	/* Arrow keys. */
	{ 0,          "\033OA", KEYC_UP,    TTYKEY_RAW },
	{ 0,          "\033OB", KEYC_DOWN,  TTYKEY_RAW },
	{ 0,          "\033OC", KEYC_RIGHT, TTYKEY_RAW },
	{ 0,          "\033OD", KEYC_LEFT,  TTYKEY_RAW },

	{ 0,          "\033[A", KEYC_UP,    TTYKEY_RAW },
	{ 0,          "\033[B", KEYC_DOWN,  TTYKEY_RAW },
	{ 0,          "\033[C", KEYC_RIGHT, TTYKEY_RAW },
	{ 0,          "\033[D", KEYC_LEFT,  TTYKEY_RAW },

	{ 0,          "\033Oa", KEYC_UP | KEYC_CTRL,    TTYKEY_RAW },
	{ 0,          "\033Ob", KEYC_DOWN | KEYC_CTRL,  TTYKEY_RAW },
	{ 0,          "\033Oc", KEYC_RIGHT | KEYC_CTRL, TTYKEY_RAW },
	{ 0,          "\033Od", KEYC_LEFT | KEYC_CTRL,  TTYKEY_RAW },
	{ 0,          "\033[a", KEYC_UP | KEYC_SHIFT,    TTYKEY_RAW },
	{ 0,          "\033[b", KEYC_DOWN | KEYC_SHIFT,  TTYKEY_RAW },
	{ 0,          "\033[c", KEYC_RIGHT | KEYC_SHIFT, TTYKEY_RAW },
	{ 0,          "\033[d", KEYC_LEFT | KEYC_SHIFT,  TTYKEY_RAW },

	{ TTYC_KCUU1, NULL,     KEYC_UP,    TTYKEY_CTRL },
	{ TTYC_KCUD1, NULL,     KEYC_DOWN,  TTYKEY_CTRL },
	{ TTYC_KCUB1, NULL,     KEYC_LEFT,  TTYKEY_CTRL },
	{ TTYC_KCUF1, NULL,     KEYC_RIGHT, TTYKEY_CTRL },

	/*
	 * Numeric keypad. termcap and terminfo are totally confusing for this.
	 * There are definitions for some keypad keys and for function keys,
	 * but these seem to now be used for the real function keys rather than
	 * for the keypad keys in application mode (which is different from
	 * what it says in the termcap file). So, we just hardcode the vt100
	 * escape sequences here and always put the terminal into keypad_xmit
	 * mode. Translation of numbers mode/applications mode is done in
	 * input-keys.c.
	 */
	{ 0,          "\033Oo", KEYC_KP0_1, TTYKEY_RAW },
	{ 0,          "\033Oj", KEYC_KP0_2, TTYKEY_RAW },
	{ 0,          "\033Om", KEYC_KP0_3, TTYKEY_RAW },
	{ 0,          "\033Ow", KEYC_KP1_0, TTYKEY_RAW },
	{ 0,          "\033Ox", KEYC_KP1_1, TTYKEY_RAW },
	{ 0,          "\033Oy", KEYC_KP1_2, TTYKEY_RAW },
	{ 0,          "\033Ok", KEYC_KP1_3, TTYKEY_RAW },
	{ 0,          "\033Ot", KEYC_KP2_0, TTYKEY_RAW },
	{ 0,          "\033Ou", KEYC_KP2_1, TTYKEY_RAW },
	{ 0,          "\033Ov", KEYC_KP2_2, TTYKEY_RAW },
	{ 0,          "\033Oq", KEYC_KP3_0, TTYKEY_RAW },
	{ 0,          "\033Or", KEYC_KP3_1, TTYKEY_RAW },
	{ 0,          "\033Os", KEYC_KP3_2, TTYKEY_RAW },
	{ 0,          "\033OM", KEYC_KP3_3, TTYKEY_RAW },
	{ 0,          "\033Op", KEYC_KP4_0, TTYKEY_RAW },
	{ 0,          "\033On", KEYC_KP4_2, TTYKEY_RAW },
};

RB_GENERATE(tty_keys, tty_key, entry, tty_keys_cmp);

struct tty_key *tty_keys_find(struct tty *, char *, size_t, size_t *);

int
tty_keys_cmp(struct tty_key *k1, struct tty_key *k2)
{
	return (strcmp(k1->string, k2->string));
}

void
tty_keys_add(struct tty *tty, const char *s, int key, int flags)
{
	struct tty_key	*tk, *tl;

	tk = xmalloc(sizeof *tk);
	tk->string = xstrdup(s);
	tk->key = key;
	tk->flags = flags;

	if ((tl = RB_INSERT(tty_keys, &tty->ktree, tk)) != NULL) {
		xfree(tk->string);
		xfree(tk);
		log_debug("key exists: %s (old %x, new %x)", s, tl->key, key);
 		return;
	}

	if (strlen(tk->string) > tty->ksize)
		tty->ksize = strlen(tk->string);
	log_debug("new key %x: size now %zu (%s)", key, tty->ksize, tk->string);
}

void
tty_keys_init(struct tty *tty)
{
	struct tty_key_ent	*tke;
	u_int		 	 i;
	const char		*s;
	char			 tmp[64];

	RB_INIT(&tty->ktree);

	tty->ksize = 0;
	for (i = 0; i < nitems(tty_keys); i++) {
		tke = &tty_keys[i];

		if (tke->flags & TTYKEY_RAW)
			s =