xref: /openbsd-src/usr.bin/tmux/cmd-list-panes.c (revision e5157e49389faebcb42b7237d55fbf096d9c2523)
1 /* $OpenBSD: cmd-list-panes.c,v 1.19 2014/10/20 22:29:25 nicm Exp $ */
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 <stdlib.h>
22 #include <unistd.h>
23 
24 #include "tmux.h"
25 
26 /*
27  * List panes on given window.
28  */
29 
30 enum cmd_retval	 cmd_list_panes_exec(struct cmd *, struct cmd_q *);
31 
32 void	cmd_list_panes_server(struct cmd *, struct cmd_q *);
33 void	cmd_list_panes_session(
34 	    struct cmd *, struct session *, struct cmd_q *, int);
35 void	cmd_list_panes_window(struct cmd *,
36 	    struct session *, struct winlink *, struct cmd_q *, int);
37 
38 const struct cmd_entry cmd_list_panes_entry = {
39 	"list-panes", "lsp",
40 	"asF:t:", 0, 0,
41 	"[-as] [-F format] " CMD_TARGET_WINDOW_USAGE,
42 	0,
43 	cmd_list_panes_exec
44 };
45 
46 enum cmd_retval
47 cmd_list_panes_exec(struct cmd *self, struct cmd_q *cmdq)
48 {
49 	struct args	*args = self->args;
50 	struct session	*s;
51 	struct winlink	*wl;
52 
53 	if (args_has(args, 'a'))
54 		cmd_list_panes_server(self, cmdq);
55 	else if (args_has(args, 's')) {
56 		s = cmd_find_session(cmdq, args_get(args, 't'), 0);
57 		if (s == NULL)
58 			return (CMD_RETURN_ERROR);
59 		cmd_list_panes_session(self, s, cmdq, 1);
60 	} else {
61 		wl = cmd_find_window(cmdq, args_get(args, 't'), &s);
62 		if (wl == NULL)
63 			return (CMD_RETURN_ERROR);
64 		cmd_list_panes_window(self, s, wl, cmdq, 0);
65 	}
66 
67 	return (CMD_RETURN_NORMAL);
68 }
69 
70 void
71 cmd_list_panes_server(struct cmd *self, struct cmd_q *cmdq)
72 {
73 	struct session	*s;
74 
75 	RB_FOREACH(s, sessions, &sessions)
76 		cmd_list_panes_session(self, s, cmdq, 2);
77 }
78 
79 void
80 cmd_list_panes_session(
81     struct cmd *self, struct session *s, struct cmd_q *cmdq, int type)
82 {
83 	struct winlink	*wl;
84 
85 	RB_FOREACH(wl, winlinks, &s->windows)
86 		cmd_list_panes_window(self, s, wl, cmdq, type);
87 }
88 
89 void
90 cmd_list_panes_window(struct cmd *self,
91     struct session *s, struct winlink *wl, struct cmd_q *cmdq, int type)
92 {
93 	struct args		*args = self->args;
94 	struct window_pane	*wp;
95 	u_int			 n;
96 	struct format_tree	*ft;
97 	const char		*template;
98 	char			*line;
99 
100 	template = args_get(args, 'F');
101 	if (template == NULL) {
102 		switch (type) {
103 		case 0:
104 			template = "#{pane_index}: "
105 			    "[#{pane_width}x#{pane_height}] [history "
106 			    "#{history_size}/#{history_limit}, "
107 			    "#{history_bytes} bytes] #{pane_id}"
108 			    "#{?pane_active, (active),}#{?pane_dead, (dead),}";
109 			break;
110 		case 1:
111 			template = "#{window_index}.#{pane_index}: "
112 			    "[#{pane_width}x#{pane_height}] [history "
113 			    "#{history_size}/#{history_limit}, "
114 			    "#{history_bytes} bytes] #{pane_id}"
115 			    "#{?pane_active, (active),}#{?pane_dead, (dead),}";
116 			break;
117 		case 2:
118 			template = "#{session_name}:#{window_index}.#{pane_index}: "
119 			    "[#{pane_width}x#{pane_height}] [history "
120 			    "#{history_size}/#{history_limit}, "
121 			    "#{history_bytes} bytes] #{pane_id}"
122 			    "#{?pane_active, (active),}#{?pane_dead, (dead),}";
123 			break;
124 		}
125 	}
126 
127 	n = 0;
128 	TAILQ_FOREACH(wp, &wl->window->panes, entry) {
129 		ft = format_create();
130 		format_add(ft, "line", "%u", n);
131 		format_session(ft, s);
132 		format_winlink(ft, s, wl);
133 		format_window_pane(ft, wp);
134 
135 		line = format_expand(ft, template);
136 		cmdq_print(cmdq, "%s", line);
137 		free(line);
138 
139 		format_free(ft);
140 		n++;
141 	}
142 }
143