1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate * Copyright 1997 Sun Microsystems, Inc. All rights reserved.
24*0Sstevel@tonic-gate * Use is subject to license terms.
25*0Sstevel@tonic-gate */
26*0Sstevel@tonic-gate
27*0Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */
28*0Sstevel@tonic-gate /* All Rights Reserved */
29*0Sstevel@tonic-gate
30*0Sstevel@tonic-gate /*
31*0Sstevel@tonic-gate * University Copyright- Copyright (c) 1982, 1986, 1988
32*0Sstevel@tonic-gate * The Regents of the University of California
33*0Sstevel@tonic-gate * All Rights Reserved
34*0Sstevel@tonic-gate *
35*0Sstevel@tonic-gate * University Acknowledgment- Portions of this document are derived from
36*0Sstevel@tonic-gate * software developed by the University of California, Berkeley, and its
37*0Sstevel@tonic-gate * contributors.
38*0Sstevel@tonic-gate */
39*0Sstevel@tonic-gate
40*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
41*0Sstevel@tonic-gate
42*0Sstevel@tonic-gate /*LINTLIBRARY*/
43*0Sstevel@tonic-gate
44*0Sstevel@tonic-gate #include <string.h>
45*0Sstevel@tonic-gate #include <sys/types.h>
46*0Sstevel@tonic-gate #include "curses_inc.h"
47*0Sstevel@tonic-gate
48*0Sstevel@tonic-gate /* Like refresh but does not output */
49*0Sstevel@tonic-gate
50*0Sstevel@tonic-gate int
wnoutrefresh(WINDOW * win)51*0Sstevel@tonic-gate wnoutrefresh(WINDOW *win)
52*0Sstevel@tonic-gate {
53*0Sstevel@tonic-gate short *bch, *ech, *sbch, *sech;
54*0Sstevel@tonic-gate chtype **wcp, **scp, *wc, *sc;
55*0Sstevel@tonic-gate int *hash;
56*0Sstevel@tonic-gate short y, x, xorg, yorg, scrli, scrco,
57*0Sstevel@tonic-gate boty, sminy, smaxy, minx, maxx, lo, hi;
58*0Sstevel@tonic-gate bool doall;
59*0Sstevel@tonic-gate
60*0Sstevel@tonic-gate if (win->_parent)
61*0Sstevel@tonic-gate wsyncdown(win);
62*0Sstevel@tonic-gate
63*0Sstevel@tonic-gate doall = win->_clear;
64*0Sstevel@tonic-gate
65*0Sstevel@tonic-gate sminy = SP->Yabove;
66*0Sstevel@tonic-gate smaxy = sminy + LINES;
67*0Sstevel@tonic-gate scrli = curscr->_maxy;
68*0Sstevel@tonic-gate scrco = curscr->_maxx;
69*0Sstevel@tonic-gate
70*0Sstevel@tonic-gate yorg = win->_begy + win->_yoffset;
71*0Sstevel@tonic-gate xorg = win->_begx;
72*0Sstevel@tonic-gate
73*0Sstevel@tonic-gate /* save flags, cursor positions */
74*0Sstevel@tonic-gate SP->virt_scr->_leave = win->_leave;
75*0Sstevel@tonic-gate if ((!win->_leave && (win->_flags & (_WINCHANGED | _WINMOVED))) &&
76*0Sstevel@tonic-gate ((y = win->_cury + yorg) >= 0) && (y < scrli) &&
77*0Sstevel@tonic-gate ((x = win->_curx + xorg) >= 0) && (x < scrco)) {
78*0Sstevel@tonic-gate _virtscr->_cury = y;
79*0Sstevel@tonic-gate _virtscr->_curx = x;
80*0Sstevel@tonic-gate }
81*0Sstevel@tonic-gate if (!(win->_use_idc))
82*0Sstevel@tonic-gate _virtscr->_use_idc = FALSE;
83*0Sstevel@tonic-gate if (win->_use_idl)
84*0Sstevel@tonic-gate _virtscr->_use_idl = TRUE;
85*0Sstevel@tonic-gate if (win->_clear) {
86*0Sstevel@tonic-gate _virtscr->_clear = TRUE;
87*0Sstevel@tonic-gate win->_clear = FALSE;
88*0Sstevel@tonic-gate win->_flags |= _WINCHANGED;
89*0Sstevel@tonic-gate }
90*0Sstevel@tonic-gate
91*0Sstevel@tonic-gate if (!(win->_flags & _WINCHANGED))
92*0Sstevel@tonic-gate goto done;
93*0Sstevel@tonic-gate
94*0Sstevel@tonic-gate /* region to update */
95*0Sstevel@tonic-gate boty = win->_maxy+yorg;
96*0Sstevel@tonic-gate if (yorg >= sminy && yorg < smaxy && boty >= smaxy)
97*0Sstevel@tonic-gate boty = smaxy;
98*0Sstevel@tonic-gate else
99*0Sstevel@tonic-gate if (boty > scrli)
100*0Sstevel@tonic-gate boty = scrli;
101*0Sstevel@tonic-gate boty -= yorg;
102*0Sstevel@tonic-gate
103*0Sstevel@tonic-gate minx = 0;
104*0Sstevel@tonic-gate if ((maxx = win->_maxx+xorg) > scrco)
105*0Sstevel@tonic-gate maxx = scrco;
106*0Sstevel@tonic-gate maxx -= xorg + 1;
107*0Sstevel@tonic-gate
108*0Sstevel@tonic-gate /* update structure */
109*0Sstevel@tonic-gate bch = win->_firstch;
110*0Sstevel@tonic-gate ech = win->_lastch;
111*0Sstevel@tonic-gate wcp = win->_y;
112*0Sstevel@tonic-gate
113*0Sstevel@tonic-gate hash = _VIRTHASH + yorg;
114*0Sstevel@tonic-gate sbch = _virtscr->_firstch + yorg;
115*0Sstevel@tonic-gate sech = _virtscr->_lastch + yorg;
116*0Sstevel@tonic-gate scp = _virtscr->_y + yorg;
117*0Sstevel@tonic-gate
118*0Sstevel@tonic-gate /* first time around, set proper top/bottom changed lines */
119*0Sstevel@tonic-gate if (curscr->_sync) {
120*0Sstevel@tonic-gate _VIRTTOP = scrli;
121*0Sstevel@tonic-gate _VIRTBOT = -1;
122*0Sstevel@tonic-gate }
123*0Sstevel@tonic-gate
124*0Sstevel@tonic-gate /* update each line */
125*0Sstevel@tonic-gate for (y = 0; y < boty; ++y, ++hash, ++bch, ++ech, ++sbch,
126*0Sstevel@tonic-gate ++sech, ++wcp, ++scp) {
127*0Sstevel@tonic-gate if (!doall && *bch == _INFINITY)
128*0Sstevel@tonic-gate continue;
129*0Sstevel@tonic-gate
130*0Sstevel@tonic-gate lo = (doall || *bch == _REDRAW || *bch < minx) ? minx : *bch;
131*0Sstevel@tonic-gate hi = (doall || *bch == _REDRAW || *ech > maxx) ? maxx : *ech;
132*0Sstevel@tonic-gate
133*0Sstevel@tonic-gate wc = *wcp;
134*0Sstevel@tonic-gate sc = *scp;
135*0Sstevel@tonic-gate /* adjust lo and hi so they contain whole characters */
136*0Sstevel@tonic-gate if (_scrmax > 1) {
137*0Sstevel@tonic-gate if (ISCBIT(wc[lo])) {
138*0Sstevel@tonic-gate for (x = lo - 1; x >= minx; --x)
139*0Sstevel@tonic-gate if (!ISCBIT(wc[x]))
140*0Sstevel@tonic-gate break;
141*0Sstevel@tonic-gate if (x < minx) {
142*0Sstevel@tonic-gate for (x = lo+1; x <= maxx; ++x)
143*0Sstevel@tonic-gate if (!ISCBIT(wc[x]))
144*0Sstevel@tonic-gate break;
145*0Sstevel@tonic-gate if (x > maxx)
146*0Sstevel@tonic-gate goto nextline;
147*0Sstevel@tonic-gate }
148*0Sstevel@tonic-gate lo = x;
149*0Sstevel@tonic-gate }
150*0Sstevel@tonic-gate if (ISMBIT(wc[hi])) {
151*0Sstevel@tonic-gate int w;
152*0Sstevel@tonic-gate unsigned char rb;
153*0Sstevel@tonic-gate for (x = hi; x >= lo; --x)
154*0Sstevel@tonic-gate if (!ISCBIT(wc[x]))
155*0Sstevel@tonic-gate break;
156*0Sstevel@tonic-gate /* LINTED */
157*0Sstevel@tonic-gate rb = (unsigned char) RBYTE(wc[x]);
158*0Sstevel@tonic-gate w = _curs_scrwidth[TYPE(rb)];
159*0Sstevel@tonic-gate hi = (x+w) <= maxx+1 ? x+w-1 : x;
160*0Sstevel@tonic-gate }
161*0Sstevel@tonic-gate }
162*0Sstevel@tonic-gate
163*0Sstevel@tonic-gate if (hi < lo)
164*0Sstevel@tonic-gate continue;
165*0Sstevel@tonic-gate
166*0Sstevel@tonic-gate /* clear partial multi-chars about to be overwritten */
167*0Sstevel@tonic-gate if (_scrmax > 1) {
168*0Sstevel@tonic-gate if (ISMBIT(sc[lo + xorg]))
169*0Sstevel@tonic-gate (void) _mbclrch(_virtscr, y + yorg, lo + xorg);
170*0Sstevel@tonic-gate if (ISMBIT(sc[hi + xorg]))
171*0Sstevel@tonic-gate (void) _mbclrch(_virtscr, y + yorg, hi + xorg);
172*0Sstevel@tonic-gate }
173*0Sstevel@tonic-gate
174*0Sstevel@tonic-gate /* update the change structure */
175*0Sstevel@tonic-gate if (*bch == _REDRAW || *sbch == _REDRAW)
176*0Sstevel@tonic-gate *sbch = _REDRAW;
177*0Sstevel@tonic-gate else {
178*0Sstevel@tonic-gate if (*sbch > lo+xorg)
179*0Sstevel@tonic-gate *sbch = lo+xorg;
180*0Sstevel@tonic-gate if (*sech < hi+xorg)
181*0Sstevel@tonic-gate *sech = hi+xorg;
182*0Sstevel@tonic-gate }
183*0Sstevel@tonic-gate if ((y + yorg) < _VIRTTOP)
184*0Sstevel@tonic-gate _VIRTTOP = y+yorg;
185*0Sstevel@tonic-gate if ((y + yorg) > _VIRTBOT)
186*0Sstevel@tonic-gate _VIRTBOT = y + yorg;
187*0Sstevel@tonic-gate
188*0Sstevel@tonic-gate /* update the image */
189*0Sstevel@tonic-gate wc = *wcp + lo;
190*0Sstevel@tonic-gate sc = *scp + lo + xorg;
191*0Sstevel@tonic-gate (void) memcpy((char *) sc, (char *) wc, (size_t)
192*0Sstevel@tonic-gate (((hi - lo) + 1) * sizeof (chtype)));
193*0Sstevel@tonic-gate
194*0Sstevel@tonic-gate /* the hash value of the line */
195*0Sstevel@tonic-gate *hash = _NOHASH;
196*0Sstevel@tonic-gate
197*0Sstevel@tonic-gate nextline:
198*0Sstevel@tonic-gate *bch = _INFINITY;
199*0Sstevel@tonic-gate *ech = -1;
200*0Sstevel@tonic-gate }
201*0Sstevel@tonic-gate
202*0Sstevel@tonic-gate done:
203*0Sstevel@tonic-gate _virtscr->_flags |= _WINCHANGED;
204*0Sstevel@tonic-gate win->_flags &= ~(_WINCHANGED | _WINMOVED | _WINSDEL);
205*0Sstevel@tonic-gate return (OK);
206*0Sstevel@tonic-gate }
207