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Try to change the window title to match the command running it in. This is done

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by reading argv[0] from the process group leader of the group that owns the tty
(tcgetpgrp()). This can't be done portably so some OS-dependent code is
introduced (ugh); OpenBSD, FreeBSD and Linux are supported at the moment.

A new window flag, automatic-rename, is available: if this is set to off, the
window name is not changed. Specifying a name with the new-window, new-session
or rename-window commands will automatically set this flag to off for the
window in question. To disable it entirely set the option to off globally (setw
-g automatic-rename off).
This commit is contained in:
Nicholas Marriott
2009-01-20 19:35:03 +00:00
parent d4f034beb4
commit 2d15f59859
16 changed files with 399 additions and 50 deletions
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110
names.c Normal file
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@ -0,0 +1,110 @@
/* $Id: names.c,v 1.1 2009-01-20 19:35:03 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 <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;
pid_t pgrp;
char *name;
struct timeval tv, tv2;
if (gettimeofday(&tv, NULL) != 0)
fatal("gettimeofday");
for (i = 0; i < ARRAY_LENGTH(&windows); i++) {
w = ARRAY_ITEM(&windows, i);
if (w == NULL || w->active == NULL)
continue;
if (!options_get_number(&w->options, "automatic-rename"))
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;
timeradd(&w->name_timer, &tv2, &w->name_timer);
if (w->active->screen != &w->active->base)
pgrp = -1;
else if ((pgrp = tcgetpgrp(w->active->fd)) == w->pgrp)
continue;
w->pgrp = pgrp;
name = get_argv0(pgrp);
if (pgrp == -1 || name == NULL)
name = default_window_name(w);
else
name = parse_window_name(name);
if (strcmp(name, w->name) == 0)
xfree(name);
else {
xfree(w->name);
w->name = name;
server_status_window(w);
}
}
}
char *
default_window_name(struct window *w)
{
if (w->active->screen != &w->active->base)
return (xstrdup("[tmux]"));
return (parse_window_name(w->active->cmd));
}
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(*ptr))
*ptr-- = '\0';
}
if (*name == '/')
name = xbasename(name);
name = xstrdup(name);
xfree(copy);
return (name);
}