xref: /minix/external/bsd/tmux/dist/names.c (revision 0a6a1f1d)
1 /* Id */
2 
3 /*
4  * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
5  *
6  * Permission to use, copy, modify, and distribute this software for any
7  * purpose with or without fee is hereby granted, provided that the above
8  * copyright notice and this permission notice appear in all copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 #include <sys/types.h>
20 
21 #include <ctype.h>
22 #include <libgen.h>
23 #include <stdlib.h>
24 #include <string.h>
25 
26 #include "tmux.h"
27 
28 void	 window_name_callback(unused int, unused short, void *);
29 
30 void
queue_window_name(struct window * w)31 queue_window_name(struct window *w)
32 {
33 	struct timeval	tv;
34 
35 	tv.tv_sec = 0;
36 	tv.tv_usec = NAME_INTERVAL * 1000L;
37 
38 	if (event_initialized(&w->name_timer))
39 		evtimer_del(&w->name_timer);
40 	evtimer_set(&w->name_timer, window_name_callback, w);
41 	evtimer_add(&w->name_timer, &tv);
42 }
43 
44 void
window_name_callback(unused int fd,unused short events,void * data)45 window_name_callback(unused int fd, unused short events, void *data)
46 {
47 	struct window	*w = data;
48 	char		*name;
49 
50 	if (w->active == NULL)
51 		return;
52 
53 	if (!options_get_number(&w->options, "automatic-rename")) {
54 		if (event_initialized(&w->name_timer))
55 			event_del(&w->name_timer);
56 		return;
57 	}
58 	queue_window_name(w);
59 
60 	name = format_window_name(w);
61 	if (strcmp(name, w->name) != 0) {
62 		window_set_name(w, name);
63 		server_status_window(w);
64 	}
65 	free(name);
66 }
67 
68 char *
default_window_name(struct window * w)69 default_window_name(struct window *w)
70 {
71 	if (w->active->cmd != NULL && *w->active->cmd != '\0')
72 		return (parse_window_name(w->active->cmd));
73 	return (parse_window_name(w->active->shell));
74 }
75 
76 char *
format_window_name(struct window * w)77 format_window_name(struct window *w)
78 {
79 	struct format_tree	*ft;
80 	char			*fmt, *name;
81 
82 	ft = format_create();
83 	format_window(ft, w);
84 	format_window_pane(ft, w->active);
85 
86 	fmt = options_get_string(&w->options, "automatic-rename-format");
87 	name = format_expand(ft, fmt);
88 
89 	format_free(ft);
90 	return (name);
91 }
92 
93 char *
parse_window_name(const char * in)94 parse_window_name(const char *in)
95 {
96 	char	*copy, *name, *ptr;
97 
98 	name = copy = xstrdup(in);
99 	if (strncmp(name, "exec ", (sizeof "exec ") - 1) == 0)
100 		name = name + (sizeof "exec ") - 1;
101 
102 	while (*name == ' ' || *name == '-')
103 		name++;
104 	if ((ptr = strchr(name, ' ')) != NULL)
105 		*ptr = '\0';
106 
107 	if (*name != '\0') {
108 		ptr = name + strlen(name) - 1;
109 		while (ptr > name && !isalnum((u_char)*ptr))
110 			*ptr-- = '\0';
111 	}
112 
113 	if (*name == '/')
114 		name = basename(name);
115 	name = xstrdup(name);
116 	free(copy);
117 	return (name);
118 }
119