1/* $OpenBSD$ */
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_raw_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_raw_flags} "	\
39	"(#{window_panes} panes) "				\
40	"[#{window_width}x#{window_height}] "
41
42static enum cmd_retval	cmd_list_windows_exec(struct cmd *, struct cmdq_item *);
43
44static void	cmd_list_windows_server(struct cmd *, struct cmdq_item *);
45static void	cmd_list_windows_session(struct cmd *, struct session *,
46		    struct cmdq_item *, int);
47
48const struct cmd_entry cmd_list_windows_entry = {
49	.name = "list-windows",
50	.alias = "lsw",
51
52	.args = { "F:f:at:", 0, 0, NULL },
53	.usage = "[-a] [-F format] [-f filter] " 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
61static enum cmd_retval
62cmd_list_windows_exec(struct cmd *self, struct cmdq_item *item)
63{
64	struct args		*args = cmd_get_args(self);
65	struct cmd_find_state	*target = cmdq_get_target(item);
66
67	if (args_has(args, 'a'))
68		cmd_list_windows_server(self, item);
69	else
70		cmd_list_windows_session(self, target->s, item, 0);
71
72	return (CMD_RETURN_NORMAL);
73}
74
75static void
76cmd_list_windows_server(struct cmd *self, struct cmdq_item *item)
77{
78	struct session	*s;
79
80	RB_FOREACH(s, sessions, &sessions)
81		cmd_list_windows_session(self, s, item, 1);
82}
83
84static void
85cmd_list_windows_session(struct cmd *self, struct session *s,
86    struct cmdq_item *item, int type)
87{
88	struct args		*args = cmd_get_args(self);
89	struct winlink		*wl;
90	u_int			 n;
91	struct format_tree	*ft;
92	const char		*template, *filter;
93	char			*line, *expanded;
94	int			 flag;
95
96	template = args_get(args, 'F');
97	if (template == NULL) {
98		switch (type) {
99		case 0:
100			template = LIST_WINDOWS_TEMPLATE;
101			break;
102		case 1:
103			template = LIST_WINDOWS_WITH_SESSION_TEMPLATE;
104			break;
105		}
106	}
107	filter = args_get(args, 'f');
108
109	n = 0;
110	RB_FOREACH(wl, winlinks, &s->windows) {
111		ft = format_create(cmdq_get_client(item), item, FORMAT_NONE, 0);
112		format_add(ft, "line", "%u", n);
113		format_defaults(ft, NULL, s, wl, NULL);
114
115		if (filter != NULL) {
116			expanded = format_expand(ft, filter);
117			flag = format_true(expanded);
118			free(expanded);
119		} else
120			flag = 1;
121		if (flag) {
122			line = format_expand(ft, template);
123			cmdq_print(item, "%s", line);
124			free(line);
125		}
126
127		format_free(ft);
128		n++;
129	}
130}
131