Commit | Line | Data |
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91d78146 MH |
1 | /* Copyright (c) 1979 Regents of the University of California */ |
2 | #include "ex.h" | |
3 | #include "ex_tty.h" | |
4 | ||
5 | /* | |
6 | * Terminal type initialization routines, | |
7 | * and calculation of flags at entry or after | |
8 | * a shell escape which may change them. | |
9 | */ | |
10 | short ospeed = -1; | |
11 | ||
12 | gettmode() | |
13 | { | |
14 | ||
15 | if (gtty(1, &tty) < 0) | |
16 | return; | |
17 | if (ospeed != tty.sg_ospeed) | |
18 | value(SLOWOPEN) = tty.sg_ospeed < B1200; | |
19 | ospeed = tty.sg_ospeed; | |
20 | normf = tty.sg_flags; | |
21 | UPPERCASE = (tty.sg_flags & LCASE) != 0; | |
22 | GT = (tty.sg_flags & XTABS) != XTABS && !XT; | |
23 | NONL = (tty.sg_flags & CRMOD) == 0; | |
24 | } | |
25 | ||
26 | char *xPC; | |
27 | char **sstrs[] = { | |
28 | &AL, &BC, &BT, &CD, &CE, &CL, &CM, &DC, &DL, &DM, &DO, &ED, &EI, | |
29 | &F0, &F1, &F2, &F3, &F4, &F5, &F6, &F7, &F8, &F9, | |
30 | &HO, &IC, &IM, &IP, &KD, &KE, &KH, &KL, &KR, &KS, &KU, &LL, | |
31 | &ND, &xPC, &SE, &SF, &SO, &SR, &TA, &TE, &TI, &UP, &VB, &VS, &VE | |
32 | }; | |
33 | bool *sflags[] = { | |
34 | &AM, &BS, &DA, &DB, &EO, &HC, &HZ, &IN, &MI, &NC, &OS, &UL, &XN, &XT | |
35 | }; | |
36 | char **fkeys[10] = { | |
37 | &F0, &F1, &F2, &F3, &F4, &F5, &F6, &F7, &F8, &F9 | |
38 | }; | |
39 | setterm(type) | |
40 | char *type; | |
41 | { | |
42 | char *cgoto(); | |
43 | register int unknown, i; | |
44 | register int l; | |
45 | char ltcbuf[TCBUFSIZE]; | |
46 | ||
47 | if (type[0] == 0) | |
48 | type = "xx"; | |
49 | unknown = 0; | |
50 | putpad(TE); | |
51 | if (tgetent(ltcbuf, type) != 1) { | |
52 | unknown++; | |
53 | CP(genbuf, "xx|dumb:"); | |
54 | } | |
55 | i = LINES = tgetnum("li"); | |
56 | if (LINES <= 5) | |
57 | LINES = 24; | |
58 | if (LINES > 48) | |
59 | LINES = 48; | |
60 | l = LINES; | |
61 | if (ospeed < B1200) | |
62 | l /= 2; | |
63 | else if (ospeed < B2400) | |
64 | l = (l * 2) / 3; | |
65 | aoftspace = tspace; | |
66 | zap(); | |
67 | /* | |
68 | * Initialize keypad arrow keys. | |
69 | */ | |
70 | arrows[0].cap = KU; arrows[0].mapto = "k"; arrows[0].descr = "up"; | |
71 | arrows[1].cap = KD; arrows[1].mapto = "j"; arrows[1].descr = "down"; | |
72 | arrows[2].cap = KL; arrows[2].mapto = "h"; arrows[2].descr = "left"; | |
73 | arrows[3].cap = KR; arrows[3].mapto = "l"; arrows[3].descr = "right"; | |
74 | arrows[4].cap = KH; arrows[4].mapto = "H"; arrows[4].descr = "home"; | |
75 | ||
76 | options[WINDOW].ovalue = options[WINDOW].odefault = l - 1; | |
77 | if (defwind) options[WINDOW].ovalue = defwind; | |
78 | options[SCROLL].ovalue = options[SCROLL].odefault = HC ? 11 : ((l-1) / 2); | |
79 | COLUMNS = tgetnum("co"); | |
80 | if (COLUMNS <= 20) | |
81 | COLUMNS = 1000; | |
82 | if (cgoto()[0] == 'O') /* OOPS */ | |
83 | CA = 0, CM = 0; | |
84 | else | |
85 | CA = 1, costCM = strlen(tgoto(CM, 8, 10)); | |
86 | PC = xPC ? xPC[0] : 0; | |
87 | aoftspace = tspace; | |
88 | CP(ttytype, longname(genbuf, type)); | |
89 | if (i <= 0) | |
90 | LINES = 2; | |
91 | /* proper strings to change tty type */ | |
92 | #ifdef notdef | |
93 | /* Taken out because we don't allow it. See ex_set.c for reasons. */ | |
94 | if (inopen) | |
95 | putpad(VE); | |
96 | #endif | |
97 | termreset(); | |
98 | gettmode(); | |
99 | value(REDRAW) = AL && DL; | |
100 | value(OPTIMIZE) = !CA && !GT; | |
101 | if (unknown) | |
102 | serror("%s: Unknown terminal type", type); | |
103 | } | |
104 | ||
105 | zap() | |
106 | { | |
107 | register char *namp; | |
108 | register bool **fp; | |
109 | register char ***sp; | |
110 | ||
111 | namp = "ambsdadbeohchzinmincosulxnxt"; | |
112 | fp = sflags; | |
113 | do { | |
114 | *(*fp++) = tgetflag(namp); | |
115 | namp += 2; | |
116 | } while (*namp); | |
117 | namp = "albcbtcdceclcmdcdldmdoedeik0k1k2k3k4k5k6k7k8k9hoicimipkdkekhklkrkskullndpcsesfsosrtatetiupvbvsve"; | |
118 | sp = sstrs; | |
119 | do { | |
120 | *(*sp++) = tgetstr(namp, &aoftspace); | |
121 | namp += 2; | |
122 | } while (*namp); | |
123 | } | |
124 | ||
125 | char * | |
126 | longname(bp, def) | |
127 | register char *bp; | |
128 | char *def; | |
129 | { | |
130 | register char *cp; | |
131 | ||
132 | while (*bp && *bp != ':' && *bp != '|') | |
133 | bp++; | |
134 | if (*bp == '|') { | |
135 | bp++; | |
136 | cp = bp; | |
137 | while (*cp && *cp != ':' && *cp != '|') | |
138 | cp++; | |
139 | *cp = 0; | |
140 | return (bp); | |
141 | } | |
142 | return (def); | |
143 | } | |
144 | ||
145 | char * | |
146 | fkey(i) | |
147 | int i; | |
148 | { | |
149 | if (0 <= i && i <= 9) | |
150 | return(*fkeys[i]); | |
151 | else | |
152 | return(NOSTR); | |
153 | } |