17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate  * CDDL HEADER START
37c478bd9Sstevel@tonic-gate  *
47c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
57c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
67c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
77c478bd9Sstevel@tonic-gate  * with the License.
87c478bd9Sstevel@tonic-gate  *
97c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
107c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
117c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
127c478bd9Sstevel@tonic-gate  * and limitations under the License.
137c478bd9Sstevel@tonic-gate  *
147c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
157c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
167c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
177c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
187c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
197c478bd9Sstevel@tonic-gate  *
207c478bd9Sstevel@tonic-gate  * CDDL HEADER END
217c478bd9Sstevel@tonic-gate  */
227c478bd9Sstevel@tonic-gate /*
237c478bd9Sstevel@tonic-gate  * Copyright (c) 1995, by Sun Microsystems, Inc.
247c478bd9Sstevel@tonic-gate  * All rights reserved.
257c478bd9Sstevel@tonic-gate  */
267c478bd9Sstevel@tonic-gate 
277c478bd9Sstevel@tonic-gate /*
287c478bd9Sstevel@tonic-gate  * dupwin.c
297c478bd9Sstevel@tonic-gate  *
307c478bd9Sstevel@tonic-gate  * XCurses Library
317c478bd9Sstevel@tonic-gate  *
327c478bd9Sstevel@tonic-gate  * Copyright 1990, 1995 by Mortice Kern Systems Inc.  All rights reserved.
337c478bd9Sstevel@tonic-gate  *
347c478bd9Sstevel@tonic-gate  */
357c478bd9Sstevel@tonic-gate 
367c478bd9Sstevel@tonic-gate #ifdef M_RCSID
377c478bd9Sstevel@tonic-gate #ifndef lint
387c478bd9Sstevel@tonic-gate static char rcsID[] = "$Header: /rd/src/libc/xcurses/rcs/dupwin.c 1.1 1995/05/26 18:41:41 ant Exp $";
397c478bd9Sstevel@tonic-gate #endif
407c478bd9Sstevel@tonic-gate #endif
417c478bd9Sstevel@tonic-gate 
427c478bd9Sstevel@tonic-gate #include <private.h>
437c478bd9Sstevel@tonic-gate #include <signal.h>
447c478bd9Sstevel@tonic-gate #include <stdlib.h>
457c478bd9Sstevel@tonic-gate #include <string.h>
467c478bd9Sstevel@tonic-gate 
477c478bd9Sstevel@tonic-gate /*f
487c478bd9Sstevel@tonic-gate  * Make an exact duplicate of the window.
497c478bd9Sstevel@tonic-gate  */
50*1da57d55SToomas Soome WINDOW *
dupwin(w)51*1da57d55SToomas Soome dupwin(w)
527c478bd9Sstevel@tonic-gate WINDOW *w;
537c478bd9Sstevel@tonic-gate {
547c478bd9Sstevel@tonic-gate 	int i;
557c478bd9Sstevel@tonic-gate 	WINDOW *v;
567c478bd9Sstevel@tonic-gate 
577c478bd9Sstevel@tonic-gate #ifdef M_CURSES_TRACE
587c478bd9Sstevel@tonic-gate 	__m_trace("dupwin(%p)", w);
597c478bd9Sstevel@tonic-gate #endif
607c478bd9Sstevel@tonic-gate 
617c478bd9Sstevel@tonic-gate 	/* Create (sub)window with same dimensions. */
62*1da57d55SToomas Soome 	v = __m_newwin(w->_parent, w->_maxy, w->_maxx, w->_begy, w->_begx);
637c478bd9Sstevel@tonic-gate 	if (v == (WINDOW *) 0)
647c478bd9Sstevel@tonic-gate 		return __m_return_pointer("dupwin", (WINDOW *) 0);
657c478bd9Sstevel@tonic-gate 
667c478bd9Sstevel@tonic-gate         /* Same software scroll region. */
677c478bd9Sstevel@tonic-gate         v->_top = w->_top;
687c478bd9Sstevel@tonic-gate         v->_bottom = w->_bottom;
69*1da57d55SToomas Soome 
707c478bd9Sstevel@tonic-gate         /* Same window input settings. */
717c478bd9Sstevel@tonic-gate         v->_vmin = w->_vmin;
727c478bd9Sstevel@tonic-gate         v->_vtime = w->_vtime;
737c478bd9Sstevel@tonic-gate 
747c478bd9Sstevel@tonic-gate 	/* Same window flags. */
757c478bd9Sstevel@tonic-gate         v->_flags = w->_flags;
767c478bd9Sstevel@tonic-gate 
777c478bd9Sstevel@tonic-gate 	/* Copy dirty region markers. */
787c478bd9Sstevel@tonic-gate 	(void) memcpy(
797c478bd9Sstevel@tonic-gate 		v->_first, w->_first,
807c478bd9Sstevel@tonic-gate 		(v->_maxy + v->_maxy) * sizeof *v->_first
817c478bd9Sstevel@tonic-gate 	);
827c478bd9Sstevel@tonic-gate 
837c478bd9Sstevel@tonic-gate 	if (v->_parent == (WINDOW *) 0) {
84*1da57d55SToomas Soome 		/* For a regular window, copy source window lines in the
85*1da57d55SToomas Soome 		 * correct order, because the pointers in _line[] may have
86*1da57d55SToomas Soome 		 * been shuffled.  A subwindow is not subject to this,
877c478bd9Sstevel@tonic-gate 		 * because it shares its data with its parent window.
887c478bd9Sstevel@tonic-gate 		 */
897c478bd9Sstevel@tonic-gate 		for (i = 0; i < w->_maxy; ++i) {
907c478bd9Sstevel@tonic-gate 			(void) memcpy(
91*1da57d55SToomas Soome 				v->_line[i], w->_line[i],
927c478bd9Sstevel@tonic-gate 				v->_maxx * sizeof **v->_line
937c478bd9Sstevel@tonic-gate 			);
947c478bd9Sstevel@tonic-gate 		}
957c478bd9Sstevel@tonic-gate 	}
967c478bd9Sstevel@tonic-gate 
977c478bd9Sstevel@tonic-gate 	return __m_return_pointer("dupwin", v);
987c478bd9Sstevel@tonic-gate }
99