projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 27704fe4 BJ |
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 | } |