1 /* $OpenBSD: cmd-list-panes.c,v 1.37 2021/08/21 10:22:39 nicm Exp $ */
2
3 /*
4 * Copyright (c) 2009 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
23 #include "tmux.h"
24
25 /*
26 * List panes on given window.
27 */
28
29 static enum cmd_retval cmd_list_panes_exec(struct cmd *, struct cmdq_item *);
30
31 static void cmd_list_panes_server(struct cmd *, struct cmdq_item *);
32 static void cmd_list_panes_session(struct cmd *, struct session *,
33 struct cmdq_item *, int);
34 static void cmd_list_panes_window(struct cmd *, struct session *,
35 struct winlink *, struct cmdq_item *, int);
36
37 const struct cmd_entry cmd_list_panes_entry = {
38 .name = "list-panes",
39 .alias = "lsp",
40
41 .args = { "asF:f:t:", 0, 0, NULL },
42 .usage = "[-as] [-F format] [-f filter] " CMD_TARGET_WINDOW_USAGE,
43
44 .target = { 't', CMD_FIND_WINDOW, 0 },
45
46 .flags = CMD_AFTERHOOK,
47 .exec = cmd_list_panes_exec
48 };
49
50 static enum cmd_retval
cmd_list_panes_exec(struct cmd * self,struct cmdq_item * item)51 cmd_list_panes_exec(struct cmd *self, struct cmdq_item *item)
52 {
53 struct args *args = cmd_get_args(self);
54 struct cmd_find_state *target = cmdq_get_target(item);
55 struct session *s = target->s;
56 struct winlink *wl = target->wl;
57
58 if (args_has(args, 'a'))
59 cmd_list_panes_server(self, item);
60 else if (args_has(args, 's'))
61 cmd_list_panes_session(self, s, item, 1);
62 else
63 cmd_list_panes_window(self, s, wl, item, 0);
64
65 return (CMD_RETURN_NORMAL);
66 }
67
68 static void
cmd_list_panes_server(struct cmd * self,struct cmdq_item * item)69 cmd_list_panes_server(struct cmd *self, struct cmdq_item *item)
70 {
71 struct session *s;
72
73 RB_FOREACH(s, sessions, &sessions)
74 cmd_list_panes_session(self, s, item, 2);
75 }
76
77 static void
cmd_list_panes_session(struct cmd * self,struct session * s,struct cmdq_item * item,int type)78 cmd_list_panes_session(struct cmd *self, struct session *s,
79 struct cmdq_item *item, int type)
80 {
81 struct winlink *wl;
82
83 RB_FOREACH(wl, winlinks, &s->windows)
84 cmd_list_panes_window(self, s, wl, item, type);
85 }
86
87 static void
cmd_list_panes_window(struct cmd * self,struct session * s,struct winlink * wl,struct cmdq_item * item,int type)88 cmd_list_panes_window(struct cmd *self, struct session *s, struct winlink *wl,
89 struct cmdq_item *item, int type)
90 {
91 struct args *args = cmd_get_args(self);
92 struct window_pane *wp;
93 u_int n;
94 struct format_tree *ft;
95 const char *template, *filter;
96 char *line, *expanded;
97 int flag;
98
99 template = args_get(args, 'F');
100 if (template == NULL) {
101 switch (type) {
102 case 0:
103 template = "#{pane_index}: "
104 "[#{pane_width}x#{pane_height}] [history "
105 "#{history_size}/#{history_limit}, "
106 "#{history_bytes} bytes] #{pane_id}"
107 "#{?pane_active, (active),}#{?pane_dead, (dead),}";
108 break;
109 case 1:
110 template = "#{window_index}.#{pane_index}: "
111 "[#{pane_width}x#{pane_height}] [history "
112 "#{history_size}/#{history_limit}, "
113 "#{history_bytes} bytes] #{pane_id}"
114 "#{?pane_active, (active),}#{?pane_dead, (dead),}";
115 break;
116 case 2:
117 template = "#{session_name}:#{window_index}."
118 "#{pane_index}: [#{pane_width}x#{pane_height}] "
119 "[history #{history_size}/#{history_limit}, "
120 "#{history_bytes} bytes] #{pane_id}"
121 "#{?pane_active, (active),}#{?pane_dead, (dead),}";
122 break;
123 }
124 }
125 filter = args_get(args, 'f');
126
127 n = 0;
128 TAILQ_FOREACH(wp, &wl->window->panes, entry) {
129 ft = format_create(cmdq_get_client(item), item, FORMAT_NONE, 0);
130 format_add(ft, "line", "%u", n);
131 format_defaults(ft, NULL, s, wl, wp);
132
133 if (filter != NULL) {
134 expanded = format_expand(ft, filter);
135 flag = format_true(expanded);
136 free(expanded);
137 } else
138 flag = 1;
139 if (flag) {
140 line = format_expand(ft, template);
141 cmdq_print(item, "%s", line);
142 free(line);
143 }
144
145 format_free(ft);
146 n++;
147 }
148 }
149