projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 17865084 | 1 | /* |
| c1a57462 | 2 | * @(#)tt.h 3.14 %G% |
| 60de5df9 EW |
3 | */ |
| 4 | ||
| 5 | /* | |
| 6 | * Copyright (c) 1983 Regents of the University of California, | |
| 7 | * All rights reserved. Redistribution permitted subject to | |
| 8 | * the terms of the Berkeley Software License Agreement. | |
| 17865084 EW |
9 | */ |
| 10 | ||
| 3130283e EW |
11 | /* |
| 12 | * Interface structure for the terminal drivers. | |
| 13 | */ | |
| 17865084 | 14 | struct tt { |
| 3130283e | 15 | /* startup and cleanup */ |
| 17865084 | 16 | int (*tt_init)(); |
| e908bfac | 17 | int (*tt_end)(); |
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18 | |
| 19 | /* terminal functions */ | |
| e908bfac | 20 | int (*tt_move)(); |
| 17865084 EW |
21 | int (*tt_insline)(); |
| 22 | int (*tt_delline)(); | |
| 23 | int (*tt_delchar)(); | |
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24 | int (*tt_write)(); /* write a whole block */ |
| 25 | int (*tt_putc)(); /* write one character */ | |
| 17865084 EW |
26 | int (*tt_clreol)(); |
| 27 | int (*tt_clreos)(); | |
| 28 | int (*tt_clear)(); | |
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29 | int (*tt_setinsert)(); /* set insert mode */ |
| 30 | int (*tt_setmodes)(); /* set display modes */ | |
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31 | |
| 32 | /* internal variables */ | |
| 33 | char tt_modes; /* the current display modes */ | |
| 34 | char tt_nmodes; /* the new modes for next write */ | |
| 35 | char tt_insert; /* currently in insert mode */ | |
| 36 | char tt_ninsert; /* insert mode on next write */ | |
| 37 | int tt_row; /* cursor row */ | |
| 38 | int tt_col; /* cursor column */ | |
| 39 | ||
| 40 | /* terminal info */ | |
| 41 | int tt_nrow; /* number of display rows */ | |
| 42 | int tt_ncol; /* number of display columns */ | |
| 43 | char tt_hasinsert; /* has insert character */ | |
| 44 | char tt_availmodes; /* the display modes supported */ | |
| 5e785082 | 45 | char tt_wrap; /* has auto wrap around */ |
| 377a2410 | 46 | char tt_retain; /* can retain below (db flag) */ |
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47 | |
| 48 | /* the frame characters */ | |
| a830e8bb | 49 | short *tt_frame; |
| 17865084 | 50 | }; |
| 17865084 EW |
51 | struct tt tt; |
| 52 | ||
| 3130283e EW |
53 | /* |
| 54 | * List of terminal drivers. | |
| 55 | */ | |
| 17865084 EW |
56 | struct tt_tab { |
| 57 | char *tt_name; | |
| 58 | int tt_len; | |
| 59 | int (*tt_func)(); | |
| 60 | }; | |
| 17865084 | 61 | struct tt_tab tt_tab[]; |
| c3f80cb5 EW |
62 | |
| 63 | /* | |
| 3130283e | 64 | * Clean interface to termcap routines. |
| b1189050 | 65 | * Too may t's. |
| c3f80cb5 EW |
66 | */ |
| 67 | char tt_strings[1024]; /* string buffer */ | |
| 68 | char *tt_strp; /* pointer for it */ | |
| 69 | ||
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70 | #define tttgetstr(s) tgetstr((s), &tt_strp) |
| 71 | char *ttxgetstr(); /* tgetstr() and expand delays */ | |
| c3f80cb5 | 72 | |
| b1189050 EW |
73 | int tttputc(); |
| 74 | #define tttputs(s, n) tputs((s), (n), tttputc) | |
| 75 | ||
| 76 | /* | |
| 77 | * Buffered output without stdio. | |
| 78 | * These variables have different meanings from the ww_ob* variabels. | |
| 79 | * But I'm too lazy to think up different names. | |
| 80 | */ | |
| 81 | char tt_ob[512]; | |
| 82 | char *tt_obp; | |
| 83 | char *tt_obe; | |
| cc3bd200 | 84 | #define ttputc(c) (tt_obp < tt_obe ? (*tt_obp++ = (c)) \ |
| b1189050 | 85 | : (ttflush(), *tt_obp++ = (c))) |