diff options
Diffstat (limited to 'usr/src/lib/libcurses/screen/mvderwin.c')
| -rw-r--r-- | usr/src/lib/libcurses/screen/mvderwin.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/usr/src/lib/libcurses/screen/mvderwin.c b/usr/src/lib/libcurses/screen/mvderwin.c new file mode 100644 index 0000000000..4b6e33dbb3 --- /dev/null +++ b/usr/src/lib/libcurses/screen/mvderwin.c @@ -0,0 +1,96 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 1997 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +/* Copyright (c) 1988 AT&T */ +/* All Rights Reserved */ + +/* + * University Copyright- Copyright (c) 1982, 1986, 1988 + * The Regents of the University of California + * All Rights Reserved + * + * University Acknowledgment- Portions of this document are derived from + * software developed by the University of California, Berkeley, and its + * contributors. + */ + +#pragma ident "%Z%%M% %I% %E% SMI" + +/*LINTLIBRARY*/ + +#include <sys/types.h> +#include "curses_inc.h" + +/* + * Move a derived window inside its parent window. + * This routine does not change the screen relative + * parameters begx and begy. Thus, it can be used to + * display different parts of the parent window at + * the same screen coordinate. + */ + +int +mvderwin(WINDOW *win, int pary, int parx) +{ + int y, maxy; + WINDOW *par; + chtype obkgd, **wc, **pc; + short *begch, *endch, maxx; + + if ((par = win->_parent) == NULL) + goto bad; + if (pary == win->_pary && parx == win->_parx) + return (OK); + + maxy = win->_maxy-1; + maxx = win->_maxx-1; + if ((parx + maxx) >= par->_maxx || (pary + maxy) >= par->_maxy) +bad: + return (ERR); + + /* save all old changes */ + wsyncup(win); + + /* rearrange pointers */ + /*LINTED*/ + win->_parx = (short) parx; + /*LINTED*/ + win->_pary = (short) pary; + wc = win->_y; + pc = par->_y + pary; + begch = win->_firstch; + endch = win->_lastch; + for (y = 0; y <= maxy; ++y, ++wc, ++pc, ++begch, ++endch) { + *wc = *pc + parx; + *begch = 0; + *endch = maxx; + } + + /* change background to our own */ + obkgd = win->_bkgd; + win->_bkgd = par->_bkgd; + return (wbkgd(win, obkgd)); +} |