freebsd-dev/contrib/less/scrsize.c

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2002-01-07 20:29:38 +00:00
/*
2006-08-20 15:49:51 +00:00
* Copyright (C) 1984-2004 Mark Nudelman
2002-01-07 20:29:38 +00:00
*
* You may distribute under the terms of either the GNU General Public
* License or the Less License, as specified in the README file.
*
* For more information about less, or for information on how to
* contact the author, see the README file.
*/
/*
* This program is used to determine the screen dimensions on OS/2 systems.
* Adapted from code written by Kyosuke Tokoro (NBG01720@nifty.ne.jp).
*/
/*
* When I wrote this routine, I consulted some part of the source code
* of the xwininfo utility by X Consortium.
*
* Copyright (c) 1987, X Consortium
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name of the X Consortium shall not
* be used in advertising or otherwise to promote the sale, use or other
* dealings in this Software without prior written authorization from the X
* Consortium.
*/
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <stdlib.h>
#include <stdio.h>
static int get_winsize(dpy, window, p_width, p_height)
Display *dpy;
Window window;
int *p_width;
int *p_height;
{
XWindowAttributes win_attributes;
XSizeHints hints;
long longjunk;
if (!XGetWindowAttributes(dpy, window, &win_attributes))
return 1;
if (!XGetWMNormalHints(dpy, window, &hints, &longjunk))
return 1;
if (!(hints.flags & PResizeInc))
return 1;
if (hints.width_inc == 0 || hints.height_inc == 0)
return 1;
if (!(hints.flags & (PBaseSize|PMinSize)))
return 1;
if (hints.flags & PBaseSize)
{
win_attributes.width -= hints.base_width;
win_attributes.height -= hints.base_height;
} else
{
win_attributes.width -= hints.min_width;
win_attributes.height -= hints.min_height;
}
*p_width = win_attributes.width / hints.width_inc;
*p_height = win_attributes.height / hints.height_inc;
return 0;
}
int main(argc, argv)
int argc;
char *argv[];
{
char *cp;
Display *dpy;
int size[2];
_scrsize(size);
cp = getenv("WINDOWID");
if (cp != NULL)
{
dpy = XOpenDisplay(NULL);
if (dpy != NULL)
{
get_winsize(dpy, (Window) atol(cp), &size[0], &size[1]);
XCloseDisplay(dpy);
}
}
printf("%i %i\n", size[0], size[1]);
return (0);
}