1 /* $OpenBSD: cmd-resize-window.c,v 1.10 2023/06/30 13:19:32 nicm Exp $ */
2
3 /*
4 * Copyright (c) 2018 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 <stdlib.h>
22
23 #include "tmux.h"
24
25 /*
26 * Increase or decrease window size.
27 */
28
29 static enum cmd_retval cmd_resize_window_exec(struct cmd *,
30 struct cmdq_item *);
31
32 const struct cmd_entry cmd_resize_window_entry = {
33 .name = "resize-window",
34 .alias = "resizew",
35
36 .args = { "aADLRt:Ux:y:", 0, 1, NULL },
37 .usage = "[-aADLRU] [-x width] [-y height] " CMD_TARGET_WINDOW_USAGE " "
38 "[adjustment]",
39
40 .target = { 't', CMD_FIND_WINDOW, 0 },
41
42 .flags = CMD_AFTERHOOK,
43 .exec = cmd_resize_window_exec
44 };
45
46 static enum cmd_retval
cmd_resize_window_exec(struct cmd * self,struct cmdq_item * item)47 cmd_resize_window_exec(struct cmd *self, struct cmdq_item *item)
48 {
49 struct args *args = cmd_get_args(self);
50 struct cmd_find_state *target = cmdq_get_target(item);
51 struct winlink *wl = target->wl;
52 struct window *w = wl->window;
53 struct session *s = target->s;
54 const char *errstr;
55 char *cause;
56 u_int adjust, sx, sy, xpixel = 0, ypixel = 0;
57
58 if (args_count(args) == 0)
59 adjust = 1;
60 else {
61 adjust = strtonum(args_string(args, 0), 1, INT_MAX, &errstr);
62 if (errstr != NULL) {
63 cmdq_error(item, "adjustment %s", errstr);
64 return (CMD_RETURN_ERROR);
65 }
66 }
67
68 sx = w->sx;
69 sy = w->sy;
70
71 if (args_has(args, 'x')) {
72 sx = args_strtonum(args, 'x', WINDOW_MINIMUM, WINDOW_MAXIMUM,
73 &cause);
74 if (cause != NULL) {
75 cmdq_error(item, "width %s", cause);
76 free(cause);
77 return (CMD_RETURN_ERROR);
78 }
79 }
80 if (args_has(args, 'y')) {
81 sy = args_strtonum(args, 'y', WINDOW_MINIMUM, WINDOW_MAXIMUM,
82 &cause);
83 if (cause != NULL) {
84 cmdq_error(item, "height %s", cause);
85 free(cause);
86 return (CMD_RETURN_ERROR);
87 }
88 }
89
90 if (args_has(args, 'L')) {
91 if (sx >= adjust)
92 sx -= adjust;
93 } else if (args_has(args, 'R'))
94 sx += adjust;
95 else if (args_has(args, 'U')) {
96 if (sy >= adjust)
97 sy -= adjust;
98 } else if (args_has(args, 'D'))
99 sy += adjust;
100
101 if (args_has(args, 'A')) {
102 default_window_size(NULL, s, w, &sx, &sy, &xpixel, &ypixel,
103 WINDOW_SIZE_LARGEST);
104 } else if (args_has(args, 'a')) {
105 default_window_size(NULL, s, w, &sx, &sy, &xpixel, &ypixel,
106 WINDOW_SIZE_SMALLEST);
107 }
108
109 options_set_number(w->options, "window-size", WINDOW_SIZE_MANUAL);
110 w->manual_sx = sx;
111 w->manual_sy = sy;
112 recalculate_size(w, 1);
113
114 return (CMD_RETURN_NORMAL);
115 }
116