xref: /openbsd-src/usr.bin/tmux/cmd-resize-pane.c (revision 6f05df2d9be0954bec42d51d943d77bd250fb664)
1 /* $OpenBSD: cmd-resize-pane.c,v 1.17 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 
23 #include "tmux.h"
24 
25 /*
26  * Increase or decrease pane size.
27  */
28 
29 enum cmd_retval	 cmd_resize_pane_exec(struct cmd *, struct cmd_q *);
30 
31 const struct cmd_entry cmd_resize_pane_entry = {
32 	"resize-pane", "resizep",
33 	"DLRt:Ux:y:Z", 0, 1,
34 	"[-DLRUZ] [-x width] [-y height] " CMD_TARGET_PANE_USAGE " [adjustment]",
35 	0,
36 	cmd_resize_pane_exec
37 };
38 
39 enum cmd_retval
40 cmd_resize_pane_exec(struct cmd *self, struct cmd_q *cmdq)
41 {
42 	struct args		*args = self->args;
43 	struct winlink		*wl;
44 	struct window		*w;
45 	const char	       	*errstr;
46 	char			*cause;
47 	struct window_pane	*wp;
48 	u_int			 adjust;
49 	int			 x, y;
50 
51 	if ((wl = cmd_find_pane(cmdq, args_get(args, 't'), NULL, &wp)) == NULL)
52 		return (CMD_RETURN_ERROR);
53 	w = wl->window;
54 
55 	if (args_has(args, 'Z')) {
56 		if (w->flags & WINDOW_ZOOMED)
57 			window_unzoom(w);
58 		else
59 			window_zoom(wp);
60 		server_redraw_window(w);
61 		server_status_window(w);
62 		return (CMD_RETURN_NORMAL);
63 	}
64 	server_unzoom_window(w);
65 
66 	if (args->argc == 0)
67 		adjust = 1;
68 	else {
69 		adjust = strtonum(args->argv[0], 1, INT_MAX, &errstr);
70 		if (errstr != NULL) {
71 			cmdq_error(cmdq, "adjustment %s", errstr);
72 			return (CMD_RETURN_ERROR);
73 		}
74 	}
75 
76 	if (args_has(self->args, 'x')) {
77 		x = args_strtonum(self->args, 'x', PANE_MINIMUM, INT_MAX,
78 		    &cause);
79 		if (cause != NULL) {
80 			cmdq_error(cmdq, "width %s", cause);
81 			free(cause);
82 			return (CMD_RETURN_ERROR);
83 		}
84 		layout_resize_pane_to(wp, LAYOUT_LEFTRIGHT, x);
85 	}
86 	if (args_has(self->args, 'y')) {
87 		y = args_strtonum(self->args, 'y', PANE_MINIMUM, INT_MAX,
88 		    &cause);
89 		if (cause != NULL) {
90 			cmdq_error(cmdq, "height %s", cause);
91 			free(cause);
92 			return (CMD_RETURN_ERROR);
93 		}
94 		layout_resize_pane_to(wp, LAYOUT_TOPBOTTOM, y);
95 	}
96 
97 	if (args_has(self->args, 'L'))
98 		layout_resize_pane(wp, LAYOUT_LEFTRIGHT, -adjust);
99 	else if (args_has(self->args, 'R'))
100 		layout_resize_pane(wp, LAYOUT_LEFTRIGHT, adjust);
101 	else if (args_has(self->args, 'U'))
102 		layout_resize_pane(wp, LAYOUT_TOPBOTTOM, -adjust);
103 	else if (args_has(self->args, 'D'))
104 		layout_resize_pane(wp, LAYOUT_TOPBOTTOM, adjust);
105 	server_redraw_window(wl->window);
106 
107 	return (CMD_RETURN_NORMAL);
108 }
109