scrsize.c revision 294286 
1/*
2 * Copyright (C) 1984-2015  Mark Nudelman
3 *
4 * You may distribute under the terms of either the GNU General Public
5 * License or the Less License, as specified in the README file.
6 *
7 * For more information, see the README file.
8 */
9
10/*
11 * This program is used to determine the screen dimensions on OS/2 systems.
12 * Adapted from code written by Kyosuke Tokoro (NBG01720@nifty.ne.jp).
13 */
14
15/*
16 * When I wrote this routine, I consulted some part of the source code
17 * of the xwininfo utility by X Consortium.
18 *
19 * Copyright (c) 1987, X Consortium
20 *
21 * Permission is hereby granted, free of charge, to any person obtaining a copy
22 * of this software and associated documentation files (the "Software"), to
23 * deal in the Software without restriction, including without limitation the
24 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
25 * sell copies of the Software, and to permit persons to whom the Software is
26 * furnished to do so, subject to the following conditions:
27 *
28 * The above copyright notice and this permission notice shall be included in
29 * all copies or substantial portions of the Software.
30 *
31 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
32 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
33 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
34 * X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
35 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
36 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
37 *
38 * Except as contained in this notice, the name of the X Consortium shall not
39 * be used in advertising or otherwise to promote the sale, use or other
40 * dealings in this Software without prior written authorization from the X
41 * Consortium.
42 */
43#include <X11/Xlib.h>
44#include <X11/Xutil.h>
45#include <stdlib.h>
46#include <stdio.h>
47
48static int get_winsize(dpy, window, p_width, p_height)
49	Display *dpy;
50	Window window;
51	int *p_width;
52	int *p_height;
53{
54	XWindowAttributes win_attributes;
55	XSizeHints hints;
56	long longjunk;
57
58	if (!XGetWindowAttributes(dpy, window, &win_attributes))
59		return 1;
60	if (!XGetWMNormalHints(dpy, window, &hints, &longjunk))
61		return 1;
62	if (!(hints.flags & PResizeInc))
63		return 1;
64	if (hints.width_inc == 0 || hints.height_inc == 0)
65		return 1;
66	if (!(hints.flags & (PBaseSize|PMinSize)))
67		return 1;
68	if (hints.flags & PBaseSize)
69	{
70		win_attributes.width -= hints.base_width;
71		win_attributes.height -= hints.base_height;
72	} else
73	{
74		win_attributes.width -= hints.min_width;
75		win_attributes.height -= hints.min_height;
76	}
77	*p_width = win_attributes.width / hints.width_inc;
78	*p_height = win_attributes.height / hints.height_inc;
79	return 0;
80}
81
82int main(argc, argv)
83	int argc;
84	char *argv[];
85{
86	char *cp;
87	Display *dpy;
88	int size[2];
89
90	_scrsize(size);
91	cp = getenv("WINDOWID");
92	if (cp != NULL)
93	{
94		dpy = XOpenDisplay(NULL);
95		if (dpy != NULL)
96		{
97			get_winsize(dpy, (Window) atol(cp), &size[0], &size[1]);
98			XCloseDisplay(dpy);
99		}
100	}
101	printf("%i %i\n", size[0], size[1]);
102	return (0);
103}
104