xref: /openbsd-src/usr.bin/tmux/cmd-list-windows.c (revision ac9b4aacc1da35008afea06a5d23c2f2dea9b93e)
1 /* $OpenBSD: cmd-list-windows.c,v 1.24 2012/08/14 08:51:53 nicm Exp $ */
2 
3 /*
4  * Copyright (c) 2007 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 windows on given session.
28  */
29 
30 enum cmd_retval	 cmd_list_windows_exec(struct cmd *, struct cmd_ctx *);
31 
32 void	cmd_list_windows_server(struct cmd *, struct cmd_ctx *);
33 void	cmd_list_windows_session(
34 	    struct cmd *, struct session *, struct cmd_ctx *, int);
35 
36 const struct cmd_entry cmd_list_windows_entry = {
37 	"list-windows", "lsw",
38 	"F:at:", 0, 0,
39 	"[-a] [-F format] " CMD_TARGET_SESSION_USAGE,
40 	0,
41 	NULL,
42 	NULL,
43 	cmd_list_windows_exec
44 };
45 
46 enum cmd_retval
47 cmd_list_windows_exec(struct cmd *self, struct cmd_ctx *ctx)
48 {
49 	struct args	*args = self->args;
50 	struct session	*s;
51 
52 	if (args_has(args, 'a'))
53 		cmd_list_windows_server(self, ctx);
54 	else {
55 		s = cmd_find_session(ctx, args_get(args, 't'), 0);
56 		if (s == NULL)
57 			return (CMD_RETURN_ERROR);
58 		cmd_list_windows_session(self, s, ctx, 0);
59 	}
60 
61 	return (CMD_RETURN_NORMAL);
62 }
63 
64 void
65 cmd_list_windows_server(struct cmd *self, struct cmd_ctx *ctx)
66 {
67 	struct session	*s;
68 
69 	RB_FOREACH(s, sessions, &sessions)
70 		cmd_list_windows_session(self, s, ctx, 1);
71 }
72 
73 void
74 cmd_list_windows_session(
75     struct cmd *self, struct session *s, struct cmd_ctx *ctx, int type)
76 {
77 	struct args		*args = self->args;
78 	struct winlink		*wl;
79 	u_int			n;
80 	struct format_tree	*ft;
81 	const char		*template;
82 	char			*line;
83 
84 	template = args_get(args, 'F');
85 	if (template == NULL) {
86 		switch (type) {
87 		case 0:
88 			template = LIST_WINDOWS_TEMPLATE;
89 			break;
90 		case 1:
91 			template = LIST_WINDOWS_WITH_SESSION_TEMPLATE;
92 			break;
93 		}
94 	}
95 
96 	n = 0;
97 	RB_FOREACH(wl, winlinks, &s->windows) {
98 		ft = format_create();
99 		format_add(ft, "line", "%u", n);
100 		format_session(ft, s);
101 		format_winlink(ft, s, wl);
102 
103 		line = format_expand(ft, template);
104 		ctx->print(ctx, "%s", line);
105 		free(line);
106 
107 		format_free(ft);
108 		n++;
109 	}
110 }
111