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2d15f59859
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).
111 lines
2.6 KiB
C
111 lines
2.6 KiB
C
/* $Id: names.c,v 1.1 2009-01-20 19:35:03 nicm Exp $ */
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/*
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* Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <ctype.h>
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#include <string.h>
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#include <unistd.h>
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#include "tmux.h"
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char *parse_window_name(const char *);
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void
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set_window_names(void)
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{
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struct window *w;
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u_int i;
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pid_t pgrp;
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char *name;
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struct timeval tv, tv2;
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if (gettimeofday(&tv, NULL) != 0)
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fatal("gettimeofday");
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for (i = 0; i < ARRAY_LENGTH(&windows); i++) {
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w = ARRAY_ITEM(&windows, i);
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if (w == NULL || w->active == NULL)
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continue;
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if (!options_get_number(&w->options, "automatic-rename"))
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continue;
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if (timercmp(&tv, &w->name_timer, <))
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continue;
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memcpy(&w->name_timer, &tv, sizeof w->name_timer);
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tv2.tv_sec = 0;
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tv2.tv_usec = NAME_INTERVAL * 1000L;
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timeradd(&w->name_timer, &tv2, &w->name_timer);
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if (w->active->screen != &w->active->base)
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pgrp = -1;
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else if ((pgrp = tcgetpgrp(w->active->fd)) == w->pgrp)
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continue;
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w->pgrp = pgrp;
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name = get_argv0(pgrp);
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if (pgrp == -1 || name == NULL)
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name = default_window_name(w);
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else
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name = parse_window_name(name);
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if (strcmp(name, w->name) == 0)
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xfree(name);
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else {
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xfree(w->name);
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w->name = name;
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server_status_window(w);
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}
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}
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}
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char *
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default_window_name(struct window *w)
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{
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if (w->active->screen != &w->active->base)
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return (xstrdup("[tmux]"));
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return (parse_window_name(w->active->cmd));
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}
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char *
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parse_window_name(const char *in)
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{
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char *copy, *name, *ptr;
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name = copy = xstrdup(in);
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if (strncmp(name, "exec ", (sizeof "exec ") - 1) == 0)
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name = name + (sizeof "exec ") - 1;
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while (*name == ' ')
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name++;
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if ((ptr = strchr(name, ' ')) != NULL)
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*ptr = '\0';
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if (*name != '\0') {
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ptr = name + strlen(name) - 1;
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while (ptr > name && !isalnum(*ptr))
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*ptr-- = '\0';
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}
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if (*name == '/')
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name = xbasename(name);
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name = xstrdup(name);
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xfree(copy);
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return (name);
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}
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