xref: /openbsd-src/usr.bin/tmux/cmd-list-windows.c (revision c90a81c56dcebd6a1b73fe4aff9b03385b8e63b3)
1 /* $OpenBSD: cmd-list-windows.c,v 1.43 2017/05/01 12:20:55 nicm Exp $ */
2 
3 /*
4  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
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 <stdlib.h>
22 #include <unistd.h>
23 
24 #include "tmux.h"
25 
26 /*
27  * List windows on given session.
28  */
29 
30 #define LIST_WINDOWS_TEMPLATE					\
31 	"#{window_index}: #{window_name}#{window_flags} "	\
32 	"(#{window_panes} panes) "				\
33 	"[#{window_width}x#{window_height}] "			\
34 	"[layout #{window_layout}] #{window_id}"		\
35 	"#{?window_active, (active),}";
36 #define LIST_WINDOWS_WITH_SESSION_TEMPLATE			\
37 	"#{session_name}:"					\
38 	"#{window_index}: #{window_name}#{window_flags} "	\
39 	"(#{window_panes} panes) "				\
40 	"[#{window_width}x#{window_height}] "
41 
42 static enum cmd_retval	cmd_list_windows_exec(struct cmd *, struct cmdq_item *);
43 
44 static void	cmd_list_windows_server(struct cmd *, struct cmdq_item *);
45 static void	cmd_list_windows_session(struct cmd *, struct session *,
46 		    struct cmdq_item *, int);
47 
48 const struct cmd_entry cmd_list_windows_entry = {
49 	.name = "list-windows",
50 	.alias = "lsw",
51 
52 	.args = { "F:at:", 0, 0 },
53 	.usage = "[-a] [-F format] " CMD_TARGET_SESSION_USAGE,
54 
55 	.target = { 't', CMD_FIND_SESSION, 0 },
56 
57 	.flags = CMD_AFTERHOOK,
58 	.exec = cmd_list_windows_exec
59 };
60 
61 static enum cmd_retval
62 cmd_list_windows_exec(struct cmd *self, struct cmdq_item *item)
63 {
64 	struct args	*args = self->args;
65 
66 	if (args_has(args, 'a'))
67 		cmd_list_windows_server(self, item);
68 	else
69 		cmd_list_windows_session(self, item->target.s, item, 0);
70 
71 	return (CMD_RETURN_NORMAL);
72 }
73 
74 static void
75 cmd_list_windows_server(struct cmd *self, struct cmdq_item *item)
76 {
77 	struct session	*s;
78 
79 	RB_FOREACH(s, sessions, &sessions)
80 		cmd_list_windows_session(self, s, item, 1);
81 }
82 
83 static void
84 cmd_list_windows_session(struct cmd *self, struct session *s,
85     struct cmdq_item *item, int type)
86 {
87 	struct args		*args = self->args;
88 	struct winlink		*wl;
89 	u_int			 n;
90 	struct format_tree	*ft;
91 	const char		*template;
92 	char			*line;
93 
94 	template = args_get(args, 'F');
95 	if (template == NULL) {
96 		switch (type) {
97 		case 0:
98 			template = LIST_WINDOWS_TEMPLATE;
99 			break;
100 		case 1:
101 			template = LIST_WINDOWS_WITH_SESSION_TEMPLATE;
102 			break;
103 		}
104 	}
105 
106 	n = 0;
107 	RB_FOREACH(wl, winlinks, &s->windows) {
108 		ft = format_create(item->client, item, FORMAT_NONE, 0);
109 		format_add(ft, "line", "%u", n);
110 		format_defaults(ft, NULL, s, wl, NULL);
111 
112 		line = format_expand(ft, template);
113 		cmdq_print(item, "%s", line);
114 		free(line);
115 
116 		format_free(ft);
117 		n++;
118 	}
119 }
120