NetBSD/lib/libcurses/id_subwins.c
1993-08-07 05:48:37 +00:00

66 lines
2.5 KiB
C

/*
* Copyright (c) 1981 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
/*static char sccsid[] = "from: @(#)id_subwins.c 5.6 (Berkeley) 8/23/92";*/
static char rcsid[] = "$Id: id_subwins.c,v 1.3 1993/08/07 05:48:54 mycroft Exp $";
#endif /* not lint */
#include <curses.h>
/*
* __id_subwins --
* Re-sync the pointers to _y for all the subwindows.
*/
void
__id_subwins(orig)
register WINDOW *orig;
{
register WINDOW *win;
register int oy, realy, y;
realy = orig->_begy + orig->_cury;
for (win = orig->_nextp; win != orig; win = win->_nextp) {
/*
* If the window ends before our current position, don't need
* to do anything.
*/
if (win->_begy + win->_maxy <= realy)
continue;
oy = orig->_cury;
for (y = realy - win->_begy; y < win->_maxy; y++, oy++)
win->_y[y] = &orig->_y[oy][win->_ch_off];
}
}