master ohmu/wmutils / src / core / wrs.c
ohmu  ·  2026-07-25
 1/* See LICENSE file for copyright and license details. */
 2
 3#include <xcb/xcb.h>
 4#include <xcb/xcb_aux.h>
 5#include <stdio.h>
 6#include <stdlib.h>
 7#include <err.h>
 8
 9#include "util.h"
10
11enum {
12	ABSOLUTE = 0,
13	RELATIVE = 1
14};
15
16static xcb_connection_t *conn;
17static xcb_screen_t *scr;
18
19static void usage(char *);
20static void resize(xcb_window_t, int, int, int);
21
22static void
23usage(char *name)
24{
25	fprintf(stderr, "usage: %s [-a] <x> <y> <wid> [wid..]\n", name);
26	exit(1);
27}
28
29static void
30resize(xcb_window_t w, int mode, int x, int y)
31{
32	uint32_t val[3];
33	uint32_t mask = XCB_CONFIG_WINDOW_WIDTH
34	              | XCB_CONFIG_WINDOW_HEIGHT
35	              | XCB_CONFIG_WINDOW_STACK_MODE;
36	xcb_get_geometry_cookie_t c;
37	xcb_get_geometry_reply_t *r;
38
39	c = xcb_get_geometry(conn, w);
40	r = xcb_get_geometry_reply(conn, c, NULL);
41
42	if (r == NULL)
43		return;
44
45	if (mode == ABSOLUTE) {
46		x -= r->x + r->width;
47		y -= r->y + r->height;
48	}
49
50	if ((r->x + r->width + 2*r->border_width + x) > scr->width_in_pixels)
51		x = scr->width_in_pixels - (
52				r->x + r->width + (2*r->border_width));
53
54	if ((r->y + r->height + 2*r->border_width + y) > scr->height_in_pixels)
55		y = scr->height_in_pixels - (
56				r->y + r->height + (2*r->border_width));
57
58	val[0] = r->width  + x;
59	val[1] = r->height + y;
60	val[2] = XCB_STACK_MODE_ABOVE;
61
62	xcb_configure_window(conn, w, mask, val);
63
64	free(r);
65}
66
67int
68main(int argc, char **argv)
69{
70	int x, y, mode = RELATIVE;
71	if (argc < 4)
72		usage(argv[0]);
73
74	init_xcb(&conn);
75	get_screen(conn, &scr);
76
77	if (argv[1][0] == '-' && argv[1][1] == 'a') {
78		mode = ABSOLUTE;
79		argv++;
80	}
81
82	x = atoi(*(++argv));
83	y = atoi(*(++argv));
84
85	while (*argv)
86		resize(strtoul(*argv++, NULL, 16), mode, x, y);
87
88	xcb_aux_sync(conn);
89
90	kill_xcb(&conn);
91
92	return 0;
93}