xref: /netbsd-src/external/bsd/tmux/dist/cmd-refresh-client.c (revision deb6f0161a9109e7de9b519dc8dfb9478668dcdd)
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 "tmux.h"
22 
23 /*
24  * Refresh client.
25  */
26 
27 static enum cmd_retval	cmd_refresh_client_exec(struct cmd *,
28 			    struct cmdq_item *);
29 
30 const struct cmd_entry cmd_refresh_client_entry = {
31 	.name = "refresh-client",
32 	.alias = "refresh",
33 
34 	.args = { "C:St:", 0, 0 },
35 	.usage = "[-S] [-C size] " CMD_TARGET_CLIENT_USAGE,
36 
37 	.flags = CMD_AFTERHOOK,
38 	.exec = cmd_refresh_client_exec
39 };
40 
41 static enum cmd_retval
42 cmd_refresh_client_exec(struct cmd *self, struct cmdq_item *item)
43 {
44 	struct args	*args = self->args;
45 	struct client	*c;
46 	const char	*size;
47 	u_int		 w, h;
48 
49 	if ((c = cmd_find_client(item, args_get(args, 't'), 0)) == NULL)
50 		return (CMD_RETURN_ERROR);
51 
52 	if (args_has(args, 'C')) {
53 		if ((size = args_get(args, 'C')) == NULL) {
54 			cmdq_error(item, "missing size");
55 			return (CMD_RETURN_ERROR);
56 		}
57 		if (sscanf(size, "%u,%u", &w, &h) != 2) {
58 			cmdq_error(item, "bad size argument");
59 			return (CMD_RETURN_ERROR);
60 		}
61 		if (w < PANE_MINIMUM || w > 5000 ||
62 		    h < PANE_MINIMUM || h > 5000) {
63 			cmdq_error(item, "size too small or too big");
64 			return (CMD_RETURN_ERROR);
65 		}
66 		if (!(c->flags & CLIENT_CONTROL)) {
67 			cmdq_error(item, "not a control client");
68 			return (CMD_RETURN_ERROR);
69 		}
70 		tty_set_size(&c->tty, w, h);
71 		c->flags |= CLIENT_SIZECHANGED;
72 		recalculate_sizes();
73 	} else if (args_has(args, 'S')) {
74 		c->flags |= CLIENT_STATUSFORCE;
75 		server_status_client(c);
76 	} else {
77 		c->flags |= CLIENT_STATUSFORCE;
78 		server_redraw_client(c);
79 	}
80 
81 	return (CMD_RETURN_NORMAL);
82 }
83