scrsize.c revision 195941 
1/*
2 * Copyright (C) 1984-2009  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 about less, or for information on how to
8 * contact the author, see the README file.
9 */
10
11/*
12 * This program is used to determine the screen dimensions on OS/2 systems.
13 * Adapted from code written by Kyosuke Tokoro (NBG01720@nifty.ne.jp).
14 */
15
16/*
17 * When I wrote this routine, I consulted some part of the source code
18 * of the xwininfo utility by X Consortium.
19 *
20 * Copyright (c) 1987, X Consortium
21 *
22 * Permission is hereby granted, free of charge, to any person obtaining a copy
23 * of this software and associated documentation files (the "Software"), to
24 * deal in the Software without restriction, including without limitation the
25 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
26 * sell copies of the Software, and to permit persons to whom the Software is
27 * furnished to do so, subject to the following conditions:
28 *
29 * The above copyright notice and this permission notice shall be included in
30 * all copies or substantial portions of the Software.
31 *
32 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
33 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
34 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
35 * X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
36 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
37 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
38 *
39 * Except as contained in this notice, the name of the X Consortium shall not
40 * be used in advertising or otherwise to promote the sale, use or other
41 * dealings in this Software without prior written authorization from the X
42 * Consortium.
43 */
44#include <X11/Xlib.h>
45#include <X11/Xutil.h>
46#include <stdlib.h>
47#include <stdio.h>
48
49static int get_winsize(dpy, window, p_width, p_height)
50	Display *dpy;
51	Window window;
52	int *p_width;
53	int *p_height;
54{
55	XWindowAttributes win_attributes;
56	XSizeHints hints;
57	long longjunk;
58
59	if (!XGetWindowAttributes(dpy, window, &win_attributes))
60		return 1;
61	if (!XGetWMNormalHints(dpy, window, &hints, &longjunk))
62		return 1;
63	if (!(hints.flags & PResizeInc))
64		return 1;
65	if (hints.width_inc == 0 || hints.height_inc == 0)
66		return 1;
67	if (!(hints.flags & (PBaseSize|PMinSize)))
68		return 1;
69	if (hints.flags & PBaseSize)
70	{
71		win_attributes.width -= hints.base_width;
72		win_attributes.height -= hints.base_height;
73	} else
74	{
75		win_attributes.width -= hints.min_width;
76		win_attributes.height -= hints.min_height;
77	}
78	*p_width = win_attributes.width / hints.width_inc;
79	*p_height = win_attributes.height / hints.height_inc;
80	return 0;
81}
82
83int main(argc, argv)
84	int argc;
85	char *argv[];
86{
87	char *cp;
88	Display *dpy;
89	int size[2];
90
91	_scrsize(size);
92	cp = getenv("WINDOWID");
93	if (cp != NULL)
94	{
95		dpy = XOpenDisplay(NULL);
96		if (dpy != NULL)
97		{
98			get_winsize(dpy, (Window) atol(cp), &size[0], &size[1]);
99			XCloseDisplay(dpy);
100		}
101	}
102	printf("%i %i\n", size[0], size[1]);
103	return (0);
104}
105