tmux/names.c

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/* $Id: names.c,v 1.16 2009-09-20 22:11:27 tcunha 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>
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#include <libgen.h>
#include <string.h>
#include <unistd.h>
#include "tmux.h"
char *parse_window_name(const char *);
void
set_window_names(void)
{
struct window *w;
u_int i;
char *name, *wname;
struct timeval tv, tv2;
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if (gettimeofday(&tv, NULL) != 0)
fatal("gettimeofday failed");
for (i = 0; i < ARRAY_LENGTH(&windows); i++) {
w = ARRAY_ITEM(&windows, i);
if (w == NULL || w->active == NULL)
continue;
if (timercmp(&tv, &w->name_timer, <))
continue;
memcpy(&w->name_timer, &tv, sizeof w->name_timer);
tv2.tv_sec = 0;
tv2.tv_usec = NAME_INTERVAL * 1000L;
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timeradd(&w->name_timer, &tv2, &w->name_timer);
if (!options_get_number(&w->options, "automatic-rename"))
continue;
if (w->active->screen != &w->active->base)
name = NULL;
else
name = osdep_get_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 (strcmp(wname, w->name) == 0)
xfree(wname);
else {
xfree(w->name);
w->name = wname;
server_status_window(w);
}
}
}
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;
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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';
}
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if (*name == '/')
name = basename(name);
name = xstrdup(name);
xfree(copy);
return (name);
}