Annotation of src/usr.bin/less/scrsize.c, Revision 1.1.1.3
1.1 millert 1: /*
1.1.1.3 ! shadchin 2: * Copyright (C) 1984-2012 Mark Nudelman
1.1 millert 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: *
1.1.1.3 ! shadchin 7: * For more information, see the README file.
1.1 millert 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:
48: static 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:
82: int 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: }