1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
/* $OpenBSD$ */
/*
* 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 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_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;
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);
}
char *
format_window_name(struct window *w)
{
struct format_tree *ft;
char *fmt, *name;
ft = format_create(NULL, 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 (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))
*ptr-- = '\0';
}
if (*name == '/')
name = basename(name);
name = xstrdup(name);
free(copy);
return (name);
}
|