diff options
Diffstat (limited to 'usr.bin/tmux/tty-keys.c')
| -rw-r--r-- | usr.bin/tmux/tty-keys.c | 80 |
1 files changed, 78 insertions, 2 deletions
diff --git a/usr.bin/tmux/tty-keys.c b/usr.bin/tmux/tty-keys.c index ef77241b98b..c80d70675e9 100644 --- a/usr.bin/tmux/tty-keys.c +++ b/usr.bin/tmux/tty-keys.c @@ -1,4 +1,4 @@ -/* $OpenBSD: tty-keys.c,v 1.34 2011/03/04 23:26:44 nicm Exp $ */ +/* $OpenBSD: tty-keys.c,v 1.35 2012/03/15 10:36:00 nicm Exp $ */ /* * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> @@ -19,6 +19,8 @@ #include <sys/types.h> #include <sys/time.h> +#include <limits.h> +#include <stdlib.h> #include <string.h> #include <termios.h> #include <unistd.h> @@ -40,6 +42,7 @@ struct tty_key *tty_keys_find(struct tty *, const char *, size_t, size_t *); void tty_keys_callback(int, short, void *); int tty_keys_mouse(struct tty *, const char *, size_t, size_t *, struct mouse_event *); +int tty_keys_device(struct tty *, const char *, size_t, size_t *); struct tty_key_ent { enum tty_code_code code; @@ -461,6 +464,19 @@ tty_keys_next(struct tty *tty) goto handle_key; } + /* Is this device attributes response? */ + switch (tty_keys_device(tty, buf, len, &size)) { + case 0: /* yes */ + evbuffer_drain(tty->event->input, size); + key = KEYC_NONE; + goto handle_key; + case -1: /* no, or not valid */ + break; + case 1: /* partial */ + goto partial_key; + } + + /* Is this a mouse key press? */ switch (tty_keys_mouse(tty, buf, len, &size, &mouse)) { case 0: /* yes */ @@ -559,7 +575,8 @@ found_key: handle_key: evtimer_del(&tty->key_timer); - tty->key_callback(key, &mouse, tty->key_data); + if (key != KEYC_NONE) + tty->key_callback(key, &mouse, tty->key_data); tty->flags &= ~TTY_ESCAPE; return (1); @@ -655,3 +672,62 @@ tty_keys_mouse(struct tty *tty, log_debug("mouse position: x=%u y=%u b=%u", m->x, m->y, m->b); return (0); } + +/* + * Handle device attributes input. Returns 0 for success, -1 for failure, 1 for + * partial. + */ +int +tty_keys_device(struct tty *tty, const char *buf, size_t len, size_t *size) +{ + u_int i, a, b; + char tmp[64], *endptr; + + /* + * Secondary device attributes are \033[>a;b;c. We only request + * attributes on xterm, so we only care about the middle values which + * is the xterm version. + */ + + *size = 0; + + /* First three bytes are always \033[>. */ + if (buf[0] != '\033') + return (-1); + if (len == 1) + return (1); + if (buf[1] != '[') + return (-1); + if (len == 2) + return (1); + if (buf[2] != '>') + return (-1); + if (len == 3) + return (1); + + /* Copy the rest up to a 'c'. */ + for (i = 0; i < (sizeof tmp) - 1 && buf[3 + i] != 'c'; i++) { + if (3 + i == len) + return (1); + tmp[i] = buf[3 + i]; + } + if (i == (sizeof tmp) - 1) + return (-1); + tmp[i] = '\0'; + *size = 4 + i; + + /* Convert version numbers. */ + a = strtoul(tmp, &endptr, 10); + if (*endptr == ';') { + b = strtoul(endptr + 1, &endptr, 10); + if (*endptr != '\0' && *endptr != ';') + b = 0; + } else + a = b = 0; + + log_debug("received xterm version %u", b); + if (tty->xterm_version == 0) + tty->xterm_version = b; + + return (0); +} |