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/* $OpenBSD: names.c,v 1.45 2021/08/20 17:50:42 nicm Exp $ */
/*
* Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
*
* 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 <stdlib.h>
#include <string.h>
#include "tmux.h"
static void name_time_callback(int, short, void *);
static int name_time_expired(struct window *, struct timeval *);
static char *format_window_name(struct window *);
static void
name_time_callback(__unused int fd, __unused short events, void *arg)
{
struct window *w = arg;
/* The event loop will call check_window_name for us on the way out. */
log_debug("@%u name timer expired", w->id);
}
static int
name_time_expired(struct window *w, struct timeval *tv)
{
struct timeval offset;
timersub(tv, &w->name_time, &offset);
if (offset.tv_sec != 0 || offset.tv_usec > NAME_INTERVAL)
return (0);
return (NAME_INTERVAL - offset.tv_usec);
}
void
check_window_name(struct window *w)
{
struct timeval tv, next;
char *name;
int left;
if (w->active == NULL)
return;
if (!options_get_number(w->options, "automatic-rename"))
return;
if (~w->active->flags & PANE_CHANGED) {
log_debug("@%u active pane not changed", w->id);
return;
}
log_debug("@%u active pane changed", w->id);
gettimeofday(&tv, NULL);
left = name_time_expired(w, &tv);
if (left != 0) {
if (!event_initialized(&w->name_event))
evtimer_set(&w->name_event, name_time_callback, w);
if (!evtimer_pending(&w->name_event, NULL)) {
log_debug("@%u name timer queued (%d left)", w->id,
left);
timerclear(&next);
next.tv_usec = left;
event_add(&w->name_event, &next);
} else {
log_debug("@%u name timer already queued (%d left)",
w->id, left);
}
return;
}
memcpy(&w->name_time, &tv, sizeof w->name_time);
if (event_initialized(&w->name_event))
evtimer_del(&w->name_event);
w->active->flags &= ~PANE_CHANGED;
name = format_window_name(w);
if (strcmp(name, w->name) != 0) {
log_debug("@%u new name %s (was %s)", w->id, name, w->name);
window_set_name(w, name);
server_redraw_window_borders(w);
server_status_window(w);
} else
log_debug("@%u name not changed (still %s)", w->id, w->name);
free(name);
}
char *
default_window_name(struct window *w)
{
char *cmd, *s;
if (w->active == NULL)
return (xstrdup(""));
cmd = cmd_stringify_argv(w->active->argc, w->active->argv);
if (cmd != NULL && *cmd != '\0')
s = parse_window_name(cmd);
else
s = parse_window_name(w->active->shell);
free(cmd);
return (s);
}
static char *
format_window_name(struct window *w)
{
struct format_tree *ft;
const char *fmt;
char *name;
ft = format_create(NULL, NULL, FORMAT_WINDOW|w->id, 0);
format_defaults_window(ft, w);
format_defaults_pane(ft, w->active);
fmt = options_get_string(w->options, "automatic-rename-format");
name = format_expand(ft, fmt);
format_free(ft);
return (name);
}
char *
parse_window_name(const char *in)
{
char *copy, *name, *ptr;
name = copy = xstrdup(in);
if (*name == '"')
name++;
name[strcspn(name, "\"")] = '\0';
if (strncmp(name, "exec ", (sizeof "exec ") - 1) == 0)
name = name + (sizeof "exec ") - 1;
while (*name == ' ' || *name == '-')
name++;
if ((ptr = strchr(name, ' ')) != NULL)
*ptr = '\0';
if (*name != '\0') {
ptr = name + strlen(name) - 1;
while (ptr > name &&
!isalnum((u_char)*ptr) &&
!ispunct((u_char)*ptr))
*ptr-- = '\0';
}
if (*name == '/')
name = basename(name);
name = xstrdup(name);
free(copy);
return (name);
}
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