xref: /openbsd-src/usr.bin/tmux/cmd-resize-pane.c (revision 50027fe110c3c362514cbbf1128910104a00203e)
1 /* $OpenBSD: cmd-resize-pane.c,v 1.8 2009/12/03 22:50:10 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 
23 #include "tmux.h"
24 
25 /*
26  * Increase or decrease pane size.
27  */
28 
29 void	cmd_resize_pane_init(struct cmd *, int);
30 int	cmd_resize_pane_exec(struct cmd *, struct cmd_ctx *);
31 
32 const struct cmd_entry cmd_resize_pane_entry = {
33 	"resize-pane", "resizep",
34 	"[-DLRU] " CMD_TARGET_PANE_USAGE " [adjustment]",
35 	CMD_ARG01, "DLRU",
36 	cmd_resize_pane_init,
37 	cmd_target_parse,
38 	cmd_resize_pane_exec,
39 	cmd_target_free,
40 	cmd_target_print
41 };
42 
43 void
44 cmd_resize_pane_init(struct cmd *self, int key)
45 {
46 	struct cmd_target_data	*data;
47 
48 	cmd_target_init(self, key);
49 	data = self->data;
50 
51 	if (key == (KEYC_UP | KEYC_CTRL))
52 		cmd_set_flag(&data->chflags, 'U');
53 	if (key == (KEYC_DOWN | KEYC_CTRL))
54 		cmd_set_flag(&data->chflags, 'D');
55 	if (key == (KEYC_LEFT | KEYC_CTRL))
56 		cmd_set_flag(&data->chflags, 'L');
57 	if (key == (KEYC_RIGHT | KEYC_CTRL))
58 		cmd_set_flag(&data->chflags, 'R');
59 
60 	if (key == (KEYC_UP | KEYC_ESCAPE)) {
61 		cmd_set_flag(&data->chflags, 'U');
62 		data->arg = xstrdup("5");
63 	}
64 	if (key == (KEYC_DOWN | KEYC_ESCAPE)) {
65 		cmd_set_flag(&data->chflags, 'D');
66 		data->arg = xstrdup("5");
67 	}
68 	if (key == (KEYC_LEFT | KEYC_ESCAPE)) {
69 		cmd_set_flag(&data->chflags, 'L');
70 		data->arg = xstrdup("5");
71 	}
72 	if (key == (KEYC_RIGHT | KEYC_ESCAPE)) {
73 		cmd_set_flag(&data->chflags, 'R');
74 		data->arg = xstrdup("5");
75 	}
76 }
77 
78 int
79 cmd_resize_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
80 {
81 	struct cmd_target_data	*data = self->data;
82 	struct winlink		*wl;
83 	const char	       	*errstr;
84 	struct window_pane	*wp;
85 	u_int			 adjust;
86 
87 	if ((wl = cmd_find_pane(ctx, data->target, NULL, &wp)) == NULL)
88 		return (-1);
89 
90 	if (data->arg == NULL)
91 		adjust = 1;
92 	else {
93 		adjust = strtonum(data->arg, 1, INT_MAX, &errstr);
94 		if (errstr != NULL) {
95 			ctx->error(ctx, "adjustment %s: %s", errstr, data->arg);
96 			return (-1);
97 		}
98 	}
99 
100 	if (cmd_check_flag(data->chflags, 'L'))
101 		layout_resize_pane(wp, LAYOUT_LEFTRIGHT, -adjust);
102 	else if (cmd_check_flag(data->chflags, 'R'))
103 		layout_resize_pane(wp, LAYOUT_LEFTRIGHT, adjust);
104 	else if (cmd_check_flag(data->chflags, 'U'))
105 		layout_resize_pane(wp, LAYOUT_TOPBOTTOM, -adjust);
106 	else if (cmd_check_flag(data->chflags, 'D'))
107 		layout_resize_pane(wp, LAYOUT_TOPBOTTOM, adjust);
108 	server_redraw_window(wl->window);
109 
110 	return (0);
111 }
112