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 <stdlib.h>
45*0Sstevel@tonic-gate #include <string.h>
46*0Sstevel@tonic-gate #include <sys/types.h>
47*0Sstevel@tonic-gate #include "curses_inc.h"
48*0Sstevel@tonic-gate
49*0Sstevel@tonic-gate /*
50*0Sstevel@tonic-gate * Duplicate a window.
51*0Sstevel@tonic-gate *
52*0Sstevel@tonic-gate * SS: calling makenew to allocate a new window is wastefull, since
53*0Sstevel@tonic-gate * makenew initializes all the variables, and then we re-initialize
54*0Sstevel@tonic-gate * the desired values to these variables.
55*0Sstevel@tonic-gate */
56*0Sstevel@tonic-gate
57*0Sstevel@tonic-gate WINDOW *
dupwin(WINDOW * win)58*0Sstevel@tonic-gate dupwin(WINDOW *win)
59*0Sstevel@tonic-gate {
60*0Sstevel@tonic-gate WINDOW *new;
61*0Sstevel@tonic-gate int i, ncolumns = win->_maxx, nlines = win->_maxy;
62*0Sstevel@tonic-gate size_t line_size = nlines * sizeof (short);
63*0Sstevel@tonic-gate chtype **wincp, **newcp;
64*0Sstevel@tonic-gate int ncolsav = ncolumns;
65*0Sstevel@tonic-gate
66*0Sstevel@tonic-gate /* allocate storage for new window and do block copy of */
67*0Sstevel@tonic-gate /* old one into new */
68*0Sstevel@tonic-gate
69*0Sstevel@tonic-gate if ((new = (WINDOW *) malloc(sizeof (WINDOW))) == NULL)
70*0Sstevel@tonic-gate goto out0;
71*0Sstevel@tonic-gate
72*0Sstevel@tonic-gate (void) memcpy(new, win, sizeof (WINDOW));
73*0Sstevel@tonic-gate
74*0Sstevel@tonic-gate /* allocate storage for "malloced" fields of the new window */
75*0Sstevel@tonic-gate
76*0Sstevel@tonic-gate if ((new->_firstch = (short *)malloc((unsigned)2 * line_size)) == NULL)
77*0Sstevel@tonic-gate goto out1;
78*0Sstevel@tonic-gate else
79*0Sstevel@tonic-gate win->_lastch = win->_firstch + nlines;
80*0Sstevel@tonic-gate
81*0Sstevel@tonic-gate if ((new->_y = (chtype **) malloc(nlines * sizeof (chtype *))) ==
82*0Sstevel@tonic-gate NULL) {
83*0Sstevel@tonic-gate /*
84*0Sstevel@tonic-gate * We put the free's here rather than after the image call, this
85*0Sstevel@tonic-gate * is because _image free's all the rest of the malloc'ed areas.
86*0Sstevel@tonic-gate */
87*0Sstevel@tonic-gate free((char *)new->_firstch);
88*0Sstevel@tonic-gate out1:
89*0Sstevel@tonic-gate free((char *)new);
90*0Sstevel@tonic-gate goto out0;
91*0Sstevel@tonic-gate }
92*0Sstevel@tonic-gate
93*0Sstevel@tonic-gate if (_image(new) == ERR) {
94*0Sstevel@tonic-gate out0:
95*0Sstevel@tonic-gate curs_errno = CURS_BAD_MALLOC;
96*0Sstevel@tonic-gate #ifdef DEBUG
97*0Sstevel@tonic-gate strcpy(curs_parm_err, "dupwin");
98*0Sstevel@tonic-gate curserr();
99*0Sstevel@tonic-gate #endif /* DEBUG */
100*0Sstevel@tonic-gate return ((WINDOW *) NULL);
101*0Sstevel@tonic-gate }
102*0Sstevel@tonic-gate
103*0Sstevel@tonic-gate /* copy information from "malloced" areas of the old window into new */
104*0Sstevel@tonic-gate
105*0Sstevel@tonic-gate wincp = win->_y;
106*0Sstevel@tonic-gate newcp = new->_y;
107*0Sstevel@tonic-gate for (i = 0; i < nlines; ++i, ++wincp, ++newcp) {
108*0Sstevel@tonic-gate chtype *ws, *we, *ns, *ne, wc;
109*0Sstevel@tonic-gate int n;
110*0Sstevel@tonic-gate
111*0Sstevel@tonic-gate ws = *wincp;
112*0Sstevel@tonic-gate we = ws + ncolsav - 1;
113*0Sstevel@tonic-gate /* skip partial characters */
114*0Sstevel@tonic-gate for (; ws <= we; ++ws)
115*0Sstevel@tonic-gate if (!ISCBIT(*ws))
116*0Sstevel@tonic-gate break;
117*0Sstevel@tonic-gate for (; we >= ws; --we)
118*0Sstevel@tonic-gate if (!ISCBIT(*we))
119*0Sstevel@tonic-gate break;
120*0Sstevel@tonic-gate if (we >= ws) {
121*0Sstevel@tonic-gate wc = *we;
122*0Sstevel@tonic-gate n = _curs_scrwidth[TYPE(wc)];
123*0Sstevel@tonic-gate if ((we + n) <= (*wincp + ncolsav))
124*0Sstevel@tonic-gate we += n;
125*0Sstevel@tonic-gate ns = *newcp + (ws - *wincp);
126*0Sstevel@tonic-gate ne = *newcp + (we - *wincp);
127*0Sstevel@tonic-gate (void) memcpy((char *)ns, (char *)ws,
128*0Sstevel@tonic-gate (ne-ns)*sizeof (chtype));
129*0Sstevel@tonic-gate } else
130*0Sstevel@tonic-gate ns = ne = *newcp + ncolsav;
131*0Sstevel@tonic-gate /* fill the rest with background chars */
132*0Sstevel@tonic-gate wc = win->_bkgd;
133*0Sstevel@tonic-gate for (ws = *newcp; ws < ns; ++ws)
134*0Sstevel@tonic-gate *ws = wc;
135*0Sstevel@tonic-gate for (ws = *newcp+ncolsav-1; ws >= ne; --ws)
136*0Sstevel@tonic-gate *ws = wc;
137*0Sstevel@tonic-gate }
138*0Sstevel@tonic-gate
139*0Sstevel@tonic-gate (void) memcpy((char *)new->_firstch, (char *)win->_firstch,
140*0Sstevel@tonic-gate 2 * line_size);
141*0Sstevel@tonic-gate
142*0Sstevel@tonic-gate new->_flags |= _WINCHANGED;
143*0Sstevel@tonic-gate new->_ndescs = 0;
144*0Sstevel@tonic-gate /*
145*0Sstevel@tonic-gate * Just like we don't create this window as a subwin if the one
146*0Sstevel@tonic-gate * sent is, we don't create a padwin. Besides, if the user
147*0Sstevel@tonic-gate * calls p*refresh a padwin will be created then.
148*0Sstevel@tonic-gate */
149*0Sstevel@tonic-gate new->_padwin = new->_parent = (WINDOW *) NULL;
150*0Sstevel@tonic-gate new->_pary = new->_parx = -1;
151*0Sstevel@tonic-gate
152*0Sstevel@tonic-gate new->_index = win->_index;
153*0Sstevel@tonic-gate new->_nbyte = win->_nbyte;
154*0Sstevel@tonic-gate new->_insmode = win->_insmode;
155*0Sstevel@tonic-gate (void) memcpy((char *)new->_waitc, (char *)win->_waitc,
156*0Sstevel@tonic-gate _csmax * sizeof (char));
157*0Sstevel@tonic-gate
158*0Sstevel@tonic-gate return (new);
159*0Sstevel@tonic-gate }
160