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/* $OpenBSD: names.c,v 1.13 2012/03/17 18:24:07 nicm Exp $ */
/*
* Copyright (c) 2009 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 <ctype.h>
#include <libgen.h>
#include <string.h>
#include <unistd.h>
#include "tmux.h"
void window_name_callback(unused int, unused short, void *);
char *parse_window_name(const char *);
void
queue_window_name(struct window *w)
{
struct timeval tv;
tv.tv_sec = 0;
tv.tv_usec = NAME_INTERVAL * 1000L;
if (event_initialized(&w->name_timer))
evtimer_del(&w->name_timer);
evtimer_set(&w->name_timer, window_name_callback, w);
evtimer_add(&w->name_timer, &tv);
}
/* ARGSUSED */
void
window_name_callback(unused int fd, unused short events, void *data)
{
struct window *w = data;
char *name, *wname;
queue_window_name(w); /* XXX even if the option is off? */
if (!options_get_number(&w->options, "automatic-rename"))
return;
if (w->active->screen != &w->active->base)
name = NULL;
else
name = get_proc_name(w->active->fd, w->active->tty);
if (name == NULL)
wname = default_window_name(w);
else {
/*
* If tmux is using the default command, it will be a login
* shell and argv[0] may have a - prefix. Remove this if it is
* present. Ick.
*/
if (w->active->cmd != NULL && *w->active->cmd == '\0' &&
name != NULL && name[0] == '-' && name[1] != '\0')
wname = parse_window_name(name + 1);
else
wname = parse_window_name(name);
xfree(name);
}
if (w->active->fd == -1) {
xasprintf(&name, "%s[dead]", wname);
xfree(wname);
wname = name;
}
if (strcmp(wname, w->name)) {
window_set_name(w, wname);
server_status_window(w);
}
xfree(wname);
}
char *
default_window_name(struct window *w)
{
if (w->active->screen != &w->active->base)
return (xstrdup("[tmux]"));
if (w->active->cmd != NULL && *w->active->cmd != '\0')
return (parse_window_name(w->active->cmd));
return (parse_window_name(w->active->shell));
}
char *
parse_window_name(const char *in)
{
char *copy, *name, *ptr;
name = copy = xstrdup(in);
if (strncmp(name, "exec ", (sizeof "exec ") - 1) == 0)
name = name + (sizeof "exec ") - 1;
while (*name == ' ')
name++;
if ((ptr = strchr(name, ' ')) != NULL)
*ptr = '\0';
if (*name != '\0') {
ptr = name + strlen(name) - 1;
while (ptr > name && !isalnum((u_char)*ptr))
*ptr-- = '\0';
}
if (*name == '/')
name = basename(name);
name = xstrdup(name);
xfree(copy);
return (name);
}
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