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