1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright (c) 1995-1998 by Sun Microsystems, Inc.
24  * All rights reserved.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 /* LINTLIBRARY */
30 
31 /*
32  * getwin.c
33  *
34  * XCurses Library
35  *
36  * Copyright 1990, 1995 by Mortice Kern Systems Inc.  All rights reserved.
37  *
38  */
39 
40 #if M_RCSID
41 #ifndef lint
42 static char rcsID[] = "$Header: /rd/src/libc/xcurses/rcs/getwin.c 1.2 "
43 "1995/06/12 17:48:38 ant Exp $";
44 #endif
45 #endif
46 
47 #include <private.h>
48 #include <limits.h>
49 
50 #undef mvwaddstr
51 #undef wstandend
52 
53 static int
get_cc(WINDOW * w,char * mbs,FILE * fp)54 get_cc(WINDOW *w, char *mbs, FILE *fp)
55 {
56 	short	co;
57 	attr_t	at;
58 	int	n, y, x;
59 
60 	if (fscanf(fp, "%d,%d,%hx,%hd,", &y, &x, &at, &co) < 4)
61 		return (0);
62 
63 	if (fscanf(fp, "%[^\n]%n ", mbs, &n) < 1)
64 		return (0);
65 
66 	if (wattr_set(w, at, co, (void *) 0) == ERR)
67 		return (0);
68 
69 	if (mvwaddstr(w, y, x, mbs) == ERR)
70 		return (0);
71 
72 	(void) wstandend(w);
73 
74 	return (n);
75 }
76 
77 WINDOW *
getwin(FILE * fp)78 getwin(FILE *fp)
79 {
80 	char	*mbs;
81 	WINDOW	*w;
82 	unsigned short	flags;
83 	int	by, bx, my, mx;
84 
85 	/* Get window dimensions and location to create a new window. */
86 	if (fscanf(fp, "MAX=%d,%d BEG=%d,%d ", &my, &mx, &by, &bx) < 4)
87 		goto error1;
88 
89 	if ((mbs = (char *) malloc((size_t) (LINE_MAX+1))) == NULL)
90 		goto error1;
91 
92 	if ((w = newwin(my, mx, by, bx)) == NULL)
93 		goto error2;
94 
95 	/* Read other window attributes. */
96 	by = fscanf(fp,
97 		"SCROLL=%hd,%hd VMIN=%hd VTIME=%hd FLAGS=%hx FG=%hx,%hd ",
98 		&w->_top, &w->_bottom, &w->_vmin, &w->_vtime, &flags,
99 		&w->_fg._at, &w->_fg._co);
100 	if (by < 7)
101 		goto error3;
102 
103 	w->_flags &= ~W_CONFIG_MASK;
104 	w->_flags |= flags;
105 
106 	by = fscanf(fp, "BG=%hx,%hd,%[^\n] ", &w->_bg._at, &w->_bg._co, mbs);
107 	if (by < 3)
108 		goto error3;
109 
110 	while (get_cc(w, mbs, fp))
111 		;
112 
113 	if (fscanf(fp, "CUR=%hd,%hd", &w->_cury, &w->_curx) < 2)
114 		goto error3;
115 
116 	free(mbs);
117 
118 	return (w);
119 error3:
120 	(void) delwin(w);
121 error2:
122 	free(mbs);
123 error1:
124 	rewind(fp);
125 
126 	return (NULL);
127 }
128 
129 static int
put_cc(WINDOW * w,int y,int x,char * mbs,int len,FILE * fp)130 put_cc(WINDOW *w, int y, int x,
131 	char *mbs, int len, FILE *fp)
132 {
133 	int	i;
134 	short	co;
135 	attr_t	at;
136 
137 	at = w->_line[y][x]._at;
138 	co = w->_line[y][x]._co;
139 
140 	/* Write first character as a multibyte string. */
141 	(void) __m_cc_mbs(&w->_line[y][x], mbs, len);
142 
143 	/* Write additional characters with same colour and attributes. */
144 	for (i = x; ; ) {
145 		i = __m_cc_next(w, y, i);
146 		if (w->_maxx <= i)
147 			break;
148 		if (w->_line[y][i]._at != at || w->_line[y][i]._co != co)
149 			break;
150 		(void) __m_cc_mbs(&w->_line[y][i], mbs, 0);
151 	}
152 
153 	/* Terminate string. */
154 	(void) __m_cc_mbs((const cchar_t *) 0, (char *) 0, 0);
155 
156 	(void) fprintf(fp, "%d,%d,%#x,%d,%s\n", y, x, at, co, mbs);
157 
158 	/* Return index of next unprocessed column. */
159 	return (i);
160 }
161 
162 int
putwin(WINDOW * w,FILE * fp)163 putwin(WINDOW *w, FILE *fp)
164 {
165 	char	*mbs;
166 	size_t	mbs_len;
167 	int	y, x;
168 
169 	mbs_len = columns * _M_CCHAR_MAX * MB_LEN_MAX * sizeof (*mbs) + 1;
170 	if ((mbs = (char *) malloc((size_t) mbs_len)) == (char *) 0)
171 		return (ERR);
172 
173 	(void) fprintf(fp,
174 		"MAX=%d,%d\nBEG=%d,%d\nSCROLL=%d,%d\n",
175 		w->_maxy, w->_maxx, w->_begy, w->_begx, w->_top, w->_bottom);
176 	(void) fprintf(fp,
177 		"VMIN=%d\nVTIME=%d\nFLAGS=%#x\nFG=%#x,%d\n",
178 		w->_vmin, w->_vtime, w->_flags & W_CONFIG_MASK,
179 		w->_fg._at, w->_fg._co);
180 
181 	(void) __m_cc_mbs(&w->_bg, mbs, (int)mbs_len);
182 	(void) __m_cc_mbs((const cchar_t *) 0, (char *) 0, 0);
183 	(void) fprintf(fp, "BG=%#x,%d,%s\n", w->_bg._at, w->_bg._co, mbs);
184 
185 	for (y = 0; y < w->_maxy; ++y) {
186 		for (x = 0; x < w->_maxx; )
187 			x = put_cc(w, y, x, mbs, (int)mbs_len, fp);
188 	}
189 
190 	(void) fprintf(fp, "CUR=%d,%d\n", w->_curx, w->_cury);
191 
192 	free(mbs);
193 
194 	return (OK);
195 }
196