1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate  * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate  *
4*7c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate  * with the License.
8*7c478bd9Sstevel@tonic-gate  *
9*7c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate  * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate  *
14*7c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate  *
20*7c478bd9Sstevel@tonic-gate  * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate  */
22*7c478bd9Sstevel@tonic-gate /*
23*7c478bd9Sstevel@tonic-gate  * Copyright (c) 1995-1998 by Sun Microsystems, Inc.
24*7c478bd9Sstevel@tonic-gate  * All rights reserved.
25*7c478bd9Sstevel@tonic-gate  */
26*7c478bd9Sstevel@tonic-gate 
27*7c478bd9Sstevel@tonic-gate /* LINTLIBRARY */
28*7c478bd9Sstevel@tonic-gate 
29*7c478bd9Sstevel@tonic-gate /*
30*7c478bd9Sstevel@tonic-gate  * prefresh.c
31*7c478bd9Sstevel@tonic-gate  *
32*7c478bd9Sstevel@tonic-gate  * XCurses Library
33*7c478bd9Sstevel@tonic-gate  *
34*7c478bd9Sstevel@tonic-gate  * Copyright 1990, 1995 by Mortice Kern Systems Inc.  All rights reserved.
35*7c478bd9Sstevel@tonic-gate  *
36*7c478bd9Sstevel@tonic-gate  */
37*7c478bd9Sstevel@tonic-gate 
38*7c478bd9Sstevel@tonic-gate #ifdef M_RCSID
39*7c478bd9Sstevel@tonic-gate #ifndef lint
40*7c478bd9Sstevel@tonic-gate static char rcsID[] =
41*7c478bd9Sstevel@tonic-gate "$Header: /team/ps/sun_xcurses/archive/local_changes/xcurses/src/lib/"
42*7c478bd9Sstevel@tonic-gate "libxcurses/src/libc/xcurses/rcs/prefresh.c 1.4 1998/06/03 16:06:14 "
43*7c478bd9Sstevel@tonic-gate "cbates Exp $";
44*7c478bd9Sstevel@tonic-gate #endif
45*7c478bd9Sstevel@tonic-gate #endif
46*7c478bd9Sstevel@tonic-gate 
47*7c478bd9Sstevel@tonic-gate #include <private.h>
48*7c478bd9Sstevel@tonic-gate 
49*7c478bd9Sstevel@tonic-gate /*
50*7c478bd9Sstevel@tonic-gate  * Update newscr with the given pad then display to the terminal.
51*7c478bd9Sstevel@tonic-gate  */
52*7c478bd9Sstevel@tonic-gate int
prefresh(WINDOW * w,int pminr,int pminc,int sminr,int sminc,int smaxr,int smaxc)53*7c478bd9Sstevel@tonic-gate prefresh(WINDOW *w, int pminr, int pminc, int sminr, int sminc,
54*7c478bd9Sstevel@tonic-gate 	int smaxr, int smaxc)
55*7c478bd9Sstevel@tonic-gate {
56*7c478bd9Sstevel@tonic-gate 	int	code;
57*7c478bd9Sstevel@tonic-gate 
58*7c478bd9Sstevel@tonic-gate 	code = pnoutrefresh(w, pminr, pminc, sminr, sminc, smaxr, smaxc);
59*7c478bd9Sstevel@tonic-gate 	if (code == OK)
60*7c478bd9Sstevel@tonic-gate 		code = doupdate();
61*7c478bd9Sstevel@tonic-gate 
62*7c478bd9Sstevel@tonic-gate 	return (code);
63*7c478bd9Sstevel@tonic-gate }
64*7c478bd9Sstevel@tonic-gate 
65*7c478bd9Sstevel@tonic-gate /*
66*7c478bd9Sstevel@tonic-gate  * Update newscr with the given pad.  This allows newscr to
67*7c478bd9Sstevel@tonic-gate  * be updated with several windows before doing a doupdate().
68*7c478bd9Sstevel@tonic-gate  *
69*7c478bd9Sstevel@tonic-gate  * MKS extension permits windows that are not pads to be refreshed
70*7c478bd9Sstevel@tonic-gate  * using this function.
71*7c478bd9Sstevel@tonic-gate  */
72*7c478bd9Sstevel@tonic-gate int
pnoutrefresh(WINDOW * pad,int pminr,int pminc,int sminr,int sminc,int smaxr,int smaxc)73*7c478bd9Sstevel@tonic-gate pnoutrefresh(WINDOW *pad, int pminr, int pminc, int sminr, int sminc,
74*7c478bd9Sstevel@tonic-gate 	int smaxr, int smaxc)
75*7c478bd9Sstevel@tonic-gate {
76*7c478bd9Sstevel@tonic-gate 	WINDOW	*ns;
77*7c478bd9Sstevel@tonic-gate 	int	row, dy, dx;
78*7c478bd9Sstevel@tonic-gate 
79*7c478bd9Sstevel@tonic-gate 	ns = __m_screen->_newscr;
80*7c478bd9Sstevel@tonic-gate 
81*7c478bd9Sstevel@tonic-gate 	/* Adjust regions to be within bounds. */
82*7c478bd9Sstevel@tonic-gate 	if (pminr < 0)
83*7c478bd9Sstevel@tonic-gate 		pminr = 0;
84*7c478bd9Sstevel@tonic-gate 	if (pminc < 0)
85*7c478bd9Sstevel@tonic-gate 		pminc = 0;
86*7c478bd9Sstevel@tonic-gate 	if (sminr < 0)
87*7c478bd9Sstevel@tonic-gate 		sminr = 0;
88*7c478bd9Sstevel@tonic-gate 	if (sminc < 0)
89*7c478bd9Sstevel@tonic-gate 		sminc = 0;
90*7c478bd9Sstevel@tonic-gate 	if (ns->_maxy <= smaxr)
91*7c478bd9Sstevel@tonic-gate 		smaxr = ns->_maxy-1;
92*7c478bd9Sstevel@tonic-gate 	if (ns->_maxx <= smaxc)
93*7c478bd9Sstevel@tonic-gate 		smaxc = ns->_maxx-1;
94*7c478bd9Sstevel@tonic-gate 
95*7c478bd9Sstevel@tonic-gate 	if (pad->_maxy <= pminr || pad->_maxx <= pminc ||
96*7c478bd9Sstevel@tonic-gate 		smaxr < sminr || smaxc < sminc)
97*7c478bd9Sstevel@tonic-gate 		return (ERR);
98*7c478bd9Sstevel@tonic-gate 
99*7c478bd9Sstevel@tonic-gate 	/* Clear displayed region. */
100*7c478bd9Sstevel@tonic-gate 	for (row = sminr; row < smaxr; ++row) {
101*7c478bd9Sstevel@tonic-gate 		(void) __m_cc_erase(ns, row, sminc, row, smaxc);
102*7c478bd9Sstevel@tonic-gate 	}
103*7c478bd9Sstevel@tonic-gate 
104*7c478bd9Sstevel@tonic-gate 	/*
105*7c478bd9Sstevel@tonic-gate 	 * Determine the proper maximums in case smaxr and smaxc mapped
106*7c478bd9Sstevel@tonic-gate 	 * beyond the bottom and right-hand edges of the pad.
107*7c478bd9Sstevel@tonic-gate 	 */
108*7c478bd9Sstevel@tonic-gate 	if (pad->_maxx <= pminc + smaxc-sminc + 1)
109*7c478bd9Sstevel@tonic-gate 		smaxc = sminc + pad->_maxx - 1 - pminc;
110*7c478bd9Sstevel@tonic-gate 	if (pad->_maxy <= pminr + smaxr-sminr + 1)
111*7c478bd9Sstevel@tonic-gate 		smaxr = sminr + pad->_maxy - 1 - pminr;
112*7c478bd9Sstevel@tonic-gate 
113*7c478bd9Sstevel@tonic-gate 	/* Remember refresh region (inclusive). */
114*7c478bd9Sstevel@tonic-gate 	pad->_refy = (short) pminr;
115*7c478bd9Sstevel@tonic-gate 	pad->_refx = (short) pminc;
116*7c478bd9Sstevel@tonic-gate 	pad->_sminy = (short) sminr;
117*7c478bd9Sstevel@tonic-gate 	pad->_sminx = (short) sminc;
118*7c478bd9Sstevel@tonic-gate 	pad->_smaxy = (short) smaxr;
119*7c478bd9Sstevel@tonic-gate 	pad->_smaxx = (short) smaxc;
120*7c478bd9Sstevel@tonic-gate 
121*7c478bd9Sstevel@tonic-gate 	(void) copywin(pad, ns, pminr, pminc, sminr, sminc, smaxr, smaxc, 0);
122*7c478bd9Sstevel@tonic-gate 
123*7c478bd9Sstevel@tonic-gate 	/* Last refreshed window controls W_LEAVE_CURSOR flag. */
124*7c478bd9Sstevel@tonic-gate 	ns->_flags &= ~W_LEAVE_CURSOR;
125*7c478bd9Sstevel@tonic-gate 	ns->_flags |= pad->_flags &
126*7c478bd9Sstevel@tonic-gate 		(W_CLEAR_WINDOW | W_REDRAW_WINDOW | W_LEAVE_CURSOR);
127*7c478bd9Sstevel@tonic-gate 	pad->_flags &= ~(W_CLEAR_WINDOW | W_REDRAW_WINDOW);
128*7c478bd9Sstevel@tonic-gate 
129*7c478bd9Sstevel@tonic-gate 	/* Figure out where to leave the cursor. */
130*7c478bd9Sstevel@tonic-gate 	dy = pad->_cury - pminr + pad->_begy;
131*7c478bd9Sstevel@tonic-gate 	dx = pad->_curx - pminc + pad->_begx;
132*7c478bd9Sstevel@tonic-gate 
133*7c478bd9Sstevel@tonic-gate 	ns->_cury = (dy < 0) ? 0 :
134*7c478bd9Sstevel@tonic-gate 		((ns->_maxy <= dy) ? ns->_maxy - 1 : (short) dy);
135*7c478bd9Sstevel@tonic-gate 	ns->_curx = (dx < 0) ? 0 :
136*7c478bd9Sstevel@tonic-gate 		((ns->_maxx <= dx) ? ns->_maxx - 1 : (short) dx);
137*7c478bd9Sstevel@tonic-gate 
138*7c478bd9Sstevel@tonic-gate 	return (OK);
139*7c478bd9Sstevel@tonic-gate }
140