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 * copywin.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/copywin.c 1.6 1998/06/01 17:29:15 "
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 #undef min
50*7c478bd9Sstevel@tonic-gate #define min(a, b) ((a) < (b) ? (a) : (b))
51*7c478bd9Sstevel@tonic-gate
52*7c478bd9Sstevel@tonic-gate /*
53*7c478bd9Sstevel@tonic-gate * Version of copywin used internally by Curses to compute
54*7c478bd9Sstevel@tonic-gate * the intersection of the two windows before calling copywin().
55*7c478bd9Sstevel@tonic-gate */
56*7c478bd9Sstevel@tonic-gate int
__m_copywin(const WINDOW * s,WINDOW * t,int transparent)57*7c478bd9Sstevel@tonic-gate __m_copywin(const WINDOW *s, WINDOW *t, int transparent)
58*7c478bd9Sstevel@tonic-gate {
59*7c478bd9Sstevel@tonic-gate int code, sminr, sminc, tminr, tminc, tmaxr, tmaxc;
60*7c478bd9Sstevel@tonic-gate
61*7c478bd9Sstevel@tonic-gate tmaxc = min(s->_begx + s->_maxx, t->_begx + t->_maxx) - 1 - t->_begx;
62*7c478bd9Sstevel@tonic-gate tmaxr = min(s->_begy + s->_maxy, t->_begy + t->_maxy) - 1 - t->_begy;
63*7c478bd9Sstevel@tonic-gate
64*7c478bd9Sstevel@tonic-gate if (s->_begy < t->_begy) {
65*7c478bd9Sstevel@tonic-gate sminr = t->_begy - s->_begy;
66*7c478bd9Sstevel@tonic-gate tminr = 0;
67*7c478bd9Sstevel@tonic-gate } else {
68*7c478bd9Sstevel@tonic-gate sminr = 0;
69*7c478bd9Sstevel@tonic-gate tminr = s->_begy - t->_begy;
70*7c478bd9Sstevel@tonic-gate }
71*7c478bd9Sstevel@tonic-gate if (s->_begx < t->_begx) {
72*7c478bd9Sstevel@tonic-gate sminc = t->_begx - s->_begx;
73*7c478bd9Sstevel@tonic-gate tminc = 0;
74*7c478bd9Sstevel@tonic-gate } else {
75*7c478bd9Sstevel@tonic-gate sminc = 0;
76*7c478bd9Sstevel@tonic-gate tminc = s->_begx- t->_begx;
77*7c478bd9Sstevel@tonic-gate }
78*7c478bd9Sstevel@tonic-gate code = copywin(s, t, sminr, sminc,
79*7c478bd9Sstevel@tonic-gate tminr, tminc, tmaxr, tmaxc, transparent);
80*7c478bd9Sstevel@tonic-gate
81*7c478bd9Sstevel@tonic-gate return (code);
82*7c478bd9Sstevel@tonic-gate }
83*7c478bd9Sstevel@tonic-gate
84*7c478bd9Sstevel@tonic-gate /*
85*7c478bd9Sstevel@tonic-gate * Overlay specified part of source window over destination window
86*7c478bd9Sstevel@tonic-gate * NOTE copying is destructive only if transparent is set to false.
87*7c478bd9Sstevel@tonic-gate */
88*7c478bd9Sstevel@tonic-gate int
copywin(const WINDOW * s,WINDOW * t,int sminr,int sminc,int tminr,int tminc,int tmaxr,int tmaxc,int transparent)89*7c478bd9Sstevel@tonic-gate copywin(const WINDOW *s, WINDOW *t,
90*7c478bd9Sstevel@tonic-gate int sminr, int sminc, int tminr, int tminc,
91*7c478bd9Sstevel@tonic-gate int tmaxr, int tmaxc, int transparent)
92*7c478bd9Sstevel@tonic-gate {
93*7c478bd9Sstevel@tonic-gate int tc;
94*7c478bd9Sstevel@tonic-gate cchar_t *st, *tt;
95*7c478bd9Sstevel@tonic-gate cchar_t bg = s->_bg;
96*7c478bd9Sstevel@tonic-gate
97*7c478bd9Sstevel@tonic-gate for (; tminr <= tmaxr; ++tminr, ++sminr) {
98*7c478bd9Sstevel@tonic-gate st = s->_line[sminr] + sminc;
99*7c478bd9Sstevel@tonic-gate tt = t->_line[tminr] + tminc;
100*7c478bd9Sstevel@tonic-gate
101*7c478bd9Sstevel@tonic-gate /* Copy source region to target. */
102*7c478bd9Sstevel@tonic-gate for (tc = tminc; tc <= tmaxc; ++tc, ++tt, ++st) {
103*7c478bd9Sstevel@tonic-gate if (transparent) {
104*7c478bd9Sstevel@tonic-gate if (__m_cc_compare(st, &bg, 1))
105*7c478bd9Sstevel@tonic-gate continue;
106*7c478bd9Sstevel@tonic-gate }
107*7c478bd9Sstevel@tonic-gate *tt = *st;
108*7c478bd9Sstevel@tonic-gate __m_touch_locs(t, tminr, tc, tc + 1);
109*7c478bd9Sstevel@tonic-gate }
110*7c478bd9Sstevel@tonic-gate #ifdef M_CURSES_SENSIBLE_WINDOWS
111*7c478bd9Sstevel@tonic-gate /*
112*7c478bd9Sstevel@tonic-gate * Case 4 -
113*7c478bd9Sstevel@tonic-gate * Expand incomplete glyph from source into target window.
114*7c478bd9Sstevel@tonic-gate */
115*7c478bd9Sstevel@tonic-gate if (0 < tminc && !t->_line[tminr][tminc]._f)
116*7c478bd9Sstevel@tonic-gate (void) __m_cc_expand(t, tminr, tminc, -1);
117*7c478bd9Sstevel@tonic-gate if (tmaxc + 1 < t->_maxx && !__m_cc_islast(t, tminr, tmaxc))
118*7c478bd9Sstevel@tonic-gate (void) __m_cc_expand(t, tminr, tmaxc, 1);
119*7c478bd9Sstevel@tonic-gate #endif /* M_CURSES_SENSIBLE_WINDOWS */
120*7c478bd9Sstevel@tonic-gate }
121*7c478bd9Sstevel@tonic-gate
122*7c478bd9Sstevel@tonic-gate return (OK);
123*7c478bd9Sstevel@tonic-gate }
124