xref: /openbsd-src/usr.bin/tmux/cmd-list-panes.c (revision ac9b4aacc1da35008afea06a5d23c2f2dea9b93e)
1 /* $OpenBSD: cmd-list-panes.c,v 1.15 2012/07/11 07:10:15 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_ctx *);
31 
32 void	cmd_list_panes_server(struct cmd *, struct cmd_ctx *);
33 void	cmd_list_panes_session(
34 	    struct cmd *, struct session *, struct cmd_ctx *, int);
35 void	cmd_list_panes_window(struct cmd *,
36 	    struct session *, struct winlink *, struct cmd_ctx *, int);
37 
38 const struct cmd_entry cmd_list_panes_entry = {
39 	"list-panes", "lsp",
40 	"asF:t:", 0, 0,
41 	"[-as] [-F format] [-t target]",
42 	0,
43 	NULL,
44 	NULL,
45 	cmd_list_panes_exec
46 };
47 
48 enum cmd_retval
49 cmd_list_panes_exec(struct cmd *self, struct cmd_ctx *ctx)
50 {
51 	struct args	*args = self->args;
52 	struct session	*s;
53 	struct winlink	*wl;
54 
55 	if (args_has(args, 'a'))
56 		cmd_list_panes_server(self, ctx);
57 	else if (args_has(args, 's')) {
58 		s = cmd_find_session(ctx, args_get(args, 't'), 0);
59 		if (s == NULL)
60 			return (CMD_RETURN_ERROR);
61 		cmd_list_panes_session(self, s, ctx, 1);
62 	} else {
63 		wl = cmd_find_window(ctx, args_get(args, 't'), &s);
64 		if (wl == NULL)
65 			return (CMD_RETURN_ERROR);
66 		cmd_list_panes_window(self, s, wl, ctx, 0);
67 	}
68 
69 	return (CMD_RETURN_NORMAL);
70 }
71 
72 void
73 cmd_list_panes_server(struct cmd *self, struct cmd_ctx *ctx)
74 {
75 	struct session	*s;
76 
77 	RB_FOREACH(s, sessions, &sessions)
78 		cmd_list_panes_session(self, s, ctx, 2);
79 }
80 
81 void
82 cmd_list_panes_session(
83     struct cmd *self, struct session *s, struct cmd_ctx *ctx, int type)
84 {
85 	struct winlink	*wl;
86 
87 	RB_FOREACH(wl, winlinks, &s->windows)
88 		cmd_list_panes_window(self, s, wl, ctx, type);
89 }
90 
91 void
92 cmd_list_panes_window(struct cmd *self,
93     struct session *s, struct winlink *wl, struct cmd_ctx *ctx, int type)
94 {
95 	struct args		*args = self->args;
96 	struct window_pane	*wp;
97 	u_int			 n;
98 	struct format_tree	*ft;
99 	const char		*template;
100 	char			*line;
101 
102 	template = args_get(args, 'F');
103 	if (template == NULL) {
104 		switch (type) {
105 		case 0:
106 			template = "#{pane_index}: "
107 			    "[#{pane_width}x#{pane_height}] [history "
108 			    "#{history_size}/#{history_limit}, "
109 			    "#{history_bytes} bytes] #{pane_id}"
110 			    "#{?pane_active, (active),}#{?pane_dead, (dead),}";
111 			break;
112 		case 1:
113 			template = "#{window_index}.#{pane_index}: "
114 			    "[#{pane_width}x#{pane_height}] [history "
115 			    "#{history_size}/#{history_limit}, "
116 			    "#{history_bytes} bytes] #{pane_id}"
117 			    "#{?pane_active, (active),}#{?pane_dead, (dead),}";
118 			break;
119 		case 2:
120 			template = "#{session_name}:#{window_index}.#{pane_index}: "
121 			    "[#{pane_width}x#{pane_height}] [history "
122 			    "#{history_size}/#{history_limit}, "
123 			    "#{history_bytes} bytes] #{pane_id}"
124 			    "#{?pane_active, (active),}#{?pane_dead, (dead),}";
125 			break;
126 		}
127 	}
128 
129 	n = 0;
130 	TAILQ_FOREACH(wp, &wl->window->panes, entry) {
131 		ft = format_create();
132 		format_add(ft, "line", "%u", n);
133 		format_session(ft, s);
134 		format_winlink(ft, s, wl);
135 		format_window_pane(ft, wp);
136 
137 		line = format_expand(ft, template);
138 		ctx->print(ctx, "%s", line);
139 		free(line);
140 
141 		format_free(ft);
142 		n++;
143 	}
144 }
145