Commit | Line | Data |
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658815ab KA |
1 | /* |
2 | * Terminal initialization routines. | |
3 | * | |
91b2302c | 4 | * %G% (Berkeley) @(#)setterm.c 1.14 |
658815ab KA |
5 | */ |
6 | ||
658815ab | 7 | # include "curses.ext" |
658815ab KA |
8 | |
9 | static bool *sflags[] = { | |
10 | &AM, &BS, &EO, &HZ, &IN, &MI, &MS, &NC, &OS, &UL, &XN | |
11 | }; | |
12 | ||
13 | static char *xPC, | |
14 | **sstrs[] = { | |
00334184 KA |
15 | &AL, &BC, &BT, &CD, &CE, &CL, &CM, &CR, &DC, |
16 | &DL, &DM, &DO, &ED, &EI, &HO, &IC, &IM, &IP, | |
17 | &LL, &MA, &ND, &NL, &xPC, &SE, &SF, &SO, &SR, | |
18 | &TA, &TE, &TI, &UC, &UE, &UP, &US, &VB, &VS, | |
19 | &VE | |
658815ab | 20 | }, |
0d0dfbce | 21 | *tgoto(); |
658815ab | 22 | |
ed023db2 | 23 | static char tspace[256], /* Space for capability strings */ |
658815ab KA |
24 | *aoftspace; /* Address of tspace for relocation */ |
25 | ||
26 | static int destcol, destline; | |
27 | ||
28 | /* | |
29 | * This routine does terminal type initialization routines, and | |
30 | * calculation of flags at entry. It is almost entirely stolen from | |
31 | * Bill Joy's ex version 2.6. | |
32 | */ | |
33 | short ospeed = -1; | |
34 | ||
35 | gettmode() { | |
36 | ||
37 | if (gtty(_tty_ch, &_tty) < 0) | |
38 | return; | |
39 | savetty(); | |
40 | if (stty(_tty_ch, &_tty) < 0) | |
41 | _tty.sg_flags = _res_flg; | |
42 | ospeed = _tty.sg_ospeed; | |
43 | _res_flg = _tty.sg_flags; | |
44 | UPPERCASE = (_tty.sg_flags & LCASE) != 0; | |
45 | GT = ((_tty.sg_flags & XTABS) == 0); | |
46 | NONL = ((_tty.sg_flags & CRMOD) == 0); | |
d581dac5 | 47 | _tty.sg_flags &= ~XTABS; |
8ec7ff8b | 48 | stty(_tty_ch, &_tty); |
658815ab KA |
49 | # ifdef DEBUG |
50 | fprintf(outf, "GETTMODE: UPPERCASE = %s\n", UPPERCASE ? "TRUE":"FALSE"); | |
51 | fprintf(outf, "GETTMODE: GT = %s\n", GT ? "TRUE" : "FALSE"); | |
52 | fprintf(outf, "GETTMODE: NONL = %s\n", NONL ? "TRUE" : "FALSE"); | |
53 | fprintf(outf, "GETTMODE: ospeed = %d\n", ospeed); | |
54 | # endif | |
55 | } | |
56 | ||
57 | setterm(type) | |
58 | reg char *type; { | |
59 | ||
1fe7814b KA |
60 | reg int unknown; |
61 | static char genbuf[1024]; | |
658815ab KA |
62 | |
63 | # ifdef DEBUG | |
64 | fprintf(outf, "SETTERM(\"%s\")\n", type); | |
65 | fprintf(outf, "SETTERM: LINES = %d, COLS = %d\n", LINES, COLS); | |
66 | # endif | |
67 | if (type[0] == '\0') | |
68 | type = "xx"; | |
69 | unknown = FALSE; | |
70 | if (tgetent(genbuf, type) != 1) { | |
71 | unknown++; | |
72 | strcpy(genbuf, "xx|dumb:"); | |
73 | } | |
74 | # ifdef DEBUG | |
75 | fprintf(outf, "SETTERM: tty = %s\n", type); | |
76 | # endif | |
77 | if (LINES == 0) | |
78 | LINES = tgetnum("li"); | |
79 | if (LINES <= 5) | |
80 | LINES = 24; | |
658815ab KA |
81 | |
82 | if (COLS == 0) | |
83 | COLS = tgetnum("co"); | |
84 | if (COLS <= 4) | |
85 | COLS = 80; | |
623c4d86 | 86 | |
658815ab KA |
87 | # ifdef DEBUG |
88 | fprintf(outf, "SETTERM: LINES = %d, COLS = %d\n", LINES, COLS); | |
89 | # endif | |
90 | aoftspace = tspace; | |
91 | zap(); /* get terminal description */ | |
92 | if (tgoto(CM, destcol, destline)[0] == 'O') | |
93 | CA = FALSE, CM = 0; | |
94 | else | |
95 | CA = TRUE; | |
96 | PC = xPC ? xPC[0] : FALSE; | |
97 | aoftspace = tspace; | |
98 | strcpy(ttytype, longname(genbuf, type)); | |
99 | if (unknown) | |
100 | return ERR; | |
101 | return OK; | |
102 | } | |
103 | /* | |
0c1e0ce7 | 104 | * This routine gets all the terminal flags from the termcap database |
658815ab KA |
105 | */ |
106 | zap() { | |
107 | ||
108 | reg bool **fp; | |
109 | reg char *namp, ***sp; | |
110 | extern char *tgetstr(); | |
111 | ||
112 | /* | |
113 | * get boolean flags | |
114 | */ | |
115 | namp = "ambseohzinmimsncosulxn\0\0"; | |
116 | # ifdef FULLDEBUG | |
117 | fprintf(outf, "ZAP: namp = \"%s\"\n", namp); | |
118 | # endif | |
119 | fp = sflags; | |
120 | do { | |
121 | *(*fp++) = tgetflag(namp); | |
122 | # ifdef FULLDEBUG | |
123 | fprintf(outf, "ZAP: %.2s = %d", namp, *(*(fp - 1))); | |
124 | # endif | |
125 | namp += 2; | |
126 | } while (*namp); | |
127 | ||
128 | /* | |
129 | * get string values | |
130 | */ | |
00334184 | 131 | namp = "albcbtcdceclcmcrdcdldmdoedeihoicimipllmandnlpcsesfsosrtatetiucueupusvbvsve"; |
658815ab KA |
132 | # ifdef FULLDEBUG |
133 | fprintf(outf, "ZAP: namp = \"%s\"\n", namp); | |
134 | # endif | |
135 | sp = sstrs; | |
136 | do { | |
137 | *(*sp++) = tgetstr(namp, &aoftspace); | |
138 | # ifdef FULLDEBUG | |
139 | fprintf(outf, "ZAP: %.2s = \"%s\"\n", namp, *(*(sp-1))); | |
140 | # endif | |
141 | namp += 2; | |
142 | } while (*namp); | |
91b2302c KA |
143 | if (tgetnum("sg") > 0) |
144 | SO = NULL; | |
145 | if (tgetnum("ug") > 0) | |
146 | US = NULL; | |
147 | if (!SO && US) { | |
658815ab KA |
148 | SO = US; |
149 | SE = UE; | |
150 | } | |
151 | } | |
f81f846b KA |
152 | |
153 | /* | |
154 | * return a capability from termcap | |
155 | */ | |
156 | char * | |
157 | getcap(name) | |
158 | char *name; | |
159 | { | |
0c1e0ce7 | 160 | char *tgetstr(); |
6cc9d15d | 161 | |
0c1e0ce7 | 162 | return tgetstr(name, &aoftspace); |
f81f846b | 163 | } |