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6e7daf84 WJ |
1 | /* |
2 | * Copyright (c) 1981 Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * 2. Redistributions in binary form must reproduce the above copyright | |
11 | * notice, this list of conditions and the following disclaimer in the | |
12 | * documentation and/or other materials provided with the distribution. | |
13 | * 3. All advertising materials mentioning features or use of this software | |
14 | * must display the following acknowledgement: | |
15 | * This product includes software developed by the University of | |
16 | * California, Berkeley and its contributors. | |
17 | * 4. Neither the name of the University nor the names of its contributors | |
18 | * may be used to endorse or promote products derived from this software | |
19 | * without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
31 | * SUCH DAMAGE. | |
32 | */ | |
33 | ||
34 | #ifndef lint | |
35 | static char sccsid[] = "@(#)initscr.c 5.6 (Berkeley) 3/3/91"; | |
36 | #endif /* not lint */ | |
37 | ||
38 | # include "curses.ext" | |
39 | # include <signal.h> | |
40 | ||
41 | extern char *getenv(); | |
42 | ||
43 | /* | |
44 | * This routine initializes the current and standard screen. | |
45 | * | |
46 | */ | |
47 | WINDOW * | |
48 | initscr() { | |
49 | ||
50 | reg char *sp; | |
51 | void tstp(); | |
52 | ||
53 | # ifdef DEBUG | |
54 | fprintf(outf, "INITSCR()\n"); | |
55 | # endif | |
56 | if (My_term) | |
57 | setterm(Def_term); | |
58 | else { | |
59 | gettmode(); | |
60 | if ((sp = getenv("TERM")) == NULL) | |
61 | sp = Def_term; | |
62 | setterm(sp); | |
63 | # ifdef DEBUG | |
64 | fprintf(outf, "INITSCR: term = %s\n", sp); | |
65 | # endif | |
66 | } | |
67 | _puts(TI); | |
68 | _puts(VS); | |
69 | # ifdef SIGTSTP | |
70 | signal(SIGTSTP, tstp); | |
71 | # endif | |
72 | if (curscr != NULL) { | |
73 | # ifdef DEBUG | |
74 | fprintf(outf, "INITSCR: curscr = 0%o\n", curscr); | |
75 | # endif | |
76 | delwin(curscr); | |
77 | } | |
78 | # ifdef DEBUG | |
79 | fprintf(outf, "LINES = %d, COLS = %d\n", LINES, COLS); | |
80 | # endif | |
81 | if ((curscr = newwin(LINES, COLS, 0, 0)) == ERR) | |
82 | return ERR; | |
83 | clearok(curscr, TRUE); | |
84 | curscr->_flags &= ~_FULLLINE; | |
85 | if (stdscr != NULL) { | |
86 | # ifdef DEBUG | |
87 | fprintf(outf, "INITSCR: stdscr = 0%o\n", stdscr); | |
88 | # endif | |
89 | delwin(stdscr); | |
90 | } | |
91 | stdscr = newwin(LINES, COLS, 0, 0); | |
92 | return stdscr; | |
93 | } |