projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 25a197fc C |
1 | /* $Header: term.h,v 4.3.1.2 85/05/13 15:52:05 lwall Exp $ |
| 2 | * | |
| 3 | * $Log: term.h,v $ | |
| 4 | * Revision 4.3.1.2 85/05/13 15:52:05 lwall | |
| 5 | * Declared devtty on TERMIO system. | |
| 6 | * | |
| 7 | * Revision 4.3.1.1 85/05/10 11:41:24 lwall | |
| 8 | * Branch for patches. | |
| 9 | * | |
| 10 | * Revision 4.3 85/05/01 11:51:36 lwall | |
| 11 | * Baseline for release with 4.3bsd. | |
| 12 | * | |
| 13 | */ | |
| 14 | ||
| 15 | #ifdef PUSHBACK | |
| 16 | EXT char circlebuf[PUSHSIZE]; | |
| 17 | EXT int nextin INIT(0); | |
| 18 | EXT int nextout INIT(0); | |
| 19 | #ifdef PENDING | |
| 20 | #ifdef FIONREAD | |
| 21 | EXT long iocount INIT(0); | |
| 22 | #ifndef lint | |
| 23 | #define input_pending() (nextin!=nextout || (ioctl(0, FIONREAD, &iocount),(int)iocount)) | |
| 24 | #else | |
| 25 | #define input_pending() bizarre | |
| 26 | #endif lint | |
| 27 | #else FIONREAD | |
| 28 | int circfill(); | |
| 29 | EXT int devtty INIT(0); | |
| 30 | #ifndef lint | |
| 31 | #define input_pending() (nextin!=nextout || circfill()) | |
| 32 | #else | |
| 33 | #define input_pending() bizarre | |
| 34 | #endif lint | |
| 35 | #endif FIONREAD | |
| 36 | #else PENDING | |
| 37 | #ifndef lint | |
| 38 | #define input_pending() (nextin!=nextout) | |
| 39 | #else | |
| 40 | #define input_pending() bizarre | |
| 41 | #endif lint | |
| 42 | #endif PENDING | |
| 43 | #else PUSHBACK | |
| 44 | #ifdef PENDING | |
| 45 | #ifdef FIONREAD /* must have FIONREAD or O_NDELAY for input_pending() */ | |
| 46 | #define read_tty(addr,size) read(0,addr,size) | |
| 47 | #ifndef lint | |
| 48 | #define input_pending() (ioctl(0, FIONREAD, &iocount),(int)iocount) | |
| 49 | #else | |
| 50 | #define input_pending() bizarre | |
| 51 | #endif lint | |
| 52 | EXT long iocount INIT(0); | |
| 53 | ||
| 54 | #else FIONREAD | |
| 55 | ||
| 56 | EXT int devtty INIT(0); | |
| 57 | EXT bool is_input INIT(FALSE); | |
| 58 | EXT char pending_ch INIT(0); | |
| 59 | #ifndef lint | |
| 60 | #define input_pending() (is_input || (is_input=read(devtty,&pending_ch,1))) | |
| 61 | #else | |
| 62 | #define input_pending() bizarre | |
| 63 | #endif lint | |
| 64 | #endif FIONREAD | |
| 65 | #else PENDING | |
| 66 | #define read_tty(addr,size) read(0,addr,size) | |
| 67 | #define input_pending() (FALSE) | |
| 68 | #endif PENDING | |
| 69 | #endif PUSHBACK | |
| 70 | ||
| 71 | /* stuff wanted by terminal mode diddling routines */ | |
| 72 | ||
| 73 | #ifdef TERMIO | |
| 74 | EXT struct termio _tty, _oldtty; | |
| 75 | #else | |
| 76 | EXT struct sgttyb _tty; | |
| 77 | EXT int _res_flg INIT(0); | |
| 78 | #endif | |
| 79 | ||
| 80 | EXT int _tty_ch INIT(2); | |
| 81 | EXT bool bizarre INIT(FALSE); /* do we need to restore terminal? */ | |
| 82 | ||
| 83 | /* terminal mode diddling routines */ | |
| 84 | ||
| 85 | #ifdef TERMIO | |
| 86 | ||
| 87 | #define crmode() ((bizarre=1),_tty.c_lflag &=~ICANON,_tty.c_cc[VMIN] = 1,ioctl(_tty_ch,TCSETAF,&_tty)) | |
| 88 | #define nocrmode() ((bizarre=1),_tty.c_lflag |= ICANON,_tty.c_cc[VEOF] = CEOF,stty(_tty_ch,&_tty)) | |
| 89 | #define echo() ((bizarre=1),_tty.c_lflag |= ECHO, ioctl(_tty_ch, TCSETA, &_tty)) | |
| 90 | #define noecho() ((bizarre=1),_tty.c_lflag &=~ECHO, ioctl(_tty_ch, TCSETA, &_tty)) | |
| 91 | #define nl() ((bizarre=1),_tty.c_iflag |= ICRNL,_tty.c_oflag |= ONLCR,ioctl(_tty_ch, TCSETAW, &_tty)) | |
| 92 | #define nonl() ((bizarre=1),_tty.c_iflag &=~ICRNL,_tty.c_oflag &=~ONLCR,ioctl(_tty_ch, TCSETAW, &_tty)) | |
| 93 | #define savetty() (ioctl(_tty_ch, TCGETA, &_oldtty),ioctl(_tty_ch, TCGETA, &_tty)) | |
| 94 | #define resetty() ((bizarre=0),ioctl(_tty_ch, TCSETAF, &_oldtty)) | |
| 95 | #define unflush_output() | |
| 96 | ||
| 97 | #else | |
| 98 | ||
| 99 | #define raw() ((bizarre=1),_tty.sg_flags|=RAW, stty(_tty_ch,&_tty)) | |
| 100 | #define noraw() ((bizarre=1),_tty.sg_flags&=~RAW,stty(_tty_ch,&_tty)) | |
| 101 | #define crmode() ((bizarre=1),_tty.sg_flags |= CBREAK, stty(_tty_ch,&_tty)) | |
| 102 | #define nocrmode() ((bizarre=1),_tty.sg_flags &= ~CBREAK,stty(_tty_ch,&_tty)) | |
| 103 | #define echo() ((bizarre=1),_tty.sg_flags |= ECHO, stty(_tty_ch, &_tty)) | |
| 104 | #define noecho() ((bizarre=1),_tty.sg_flags &= ~ECHO, stty(_tty_ch, &_tty)) | |
| 105 | #define nl() ((bizarre=1),_tty.sg_flags |= CRMOD,stty(_tty_ch, &_tty)) | |
| 106 | #define nonl() ((bizarre=1),_tty.sg_flags &= ~CRMOD, stty(_tty_ch, &_tty)) | |
| 107 | #define savetty() (gtty(_tty_ch, &_tty), _res_flg = _tty.sg_flags) | |
| 108 | #define resetty() ((bizarre=0),_tty.sg_flags = _res_flg, stty(_tty_ch, &_tty)) | |
| 109 | #ifdef LFLUSHO | |
| 110 | #ifndef lint | |
| 111 | EXT int lflusho INIT(LFLUSHO); | |
| 112 | #else | |
| 113 | EXT long lflusho INIT(LFLUSHO); | |
| 114 | #endif lint | |
| 115 | #define unflush_output() (ioctl(_tty_ch,TIOCLBIC,&lflusho)) | |
| 116 | #else | |
| 117 | #define unflush_output() | |
| 118 | #endif LFLUSHO | |
| 119 | #endif TERMIO | |
| 120 | ||
| 121 | #ifdef TIOCSTI | |
| 122 | #ifdef lint | |
| 123 | #define forceme(c) ioctl(_tty_ch,TIOCSTI,Null(long*)) /* ghad! */ | |
| 124 | #else | |
| 125 | #define forceme(c) ioctl(_tty_ch,TIOCSTI,c) /* pass character in " " */ | |
| 126 | #endif lint | |
| 127 | #else | |
| 128 | #define forceme(c) | |
| 129 | #endif | |
| 130 | ||
| 131 | /* termcap stuff */ | |
| 132 | ||
| 133 | /* | |
| 134 | * NOTE: if you don't have termlib you'll either have to define these strings | |
| 135 | * and the tputs routine, or you'll have to redefine the macros below | |
| 136 | */ | |
| 137 | ||
| 138 | #ifdef HAVETERMLIB | |
| 139 | EXT char *BC INIT(Nullch); /* backspace character */ | |
| 140 | EXT char *UP INIT(Nullch); /* move cursor up one line */ | |
| 141 | EXT char *CR INIT(Nullch); /* get to left margin, somehow */ | |
| 142 | EXT char *VB INIT(Nullch); /* visible bell */ | |
| 143 | EXT char *CL INIT(Nullch); /* home and clear screen */ | |
| 144 | EXT char *CE INIT(Nullch); /* clear to end of line */ | |
| 145 | #ifdef CLEAREOL | |
| 146 | EXT char *CM INIT(Nullch); /* cursor motion -- PWP */ | |
| 147 | EXT char *HO INIT(Nullch); /* home cursor -- PWP */ | |
| 148 | EXT char *CD INIT(Nullch); /* clear to end of display -- PWP */ | |
| 149 | #endif CLEAREOL | |
| 150 | EXT char *SO INIT(Nullch); /* begin standout mode */ | |
| 151 | EXT char *SE INIT(Nullch); /* end standout mode */ | |
| 152 | EXT int SG INIT(0); /* blanks left by SO and SE */ | |
| 153 | EXT char *US INIT(Nullch); /* start underline mode */ | |
| 154 | EXT char *UE INIT(Nullch); /* end underline mode */ | |
| 155 | EXT char *UC INIT(Nullch); /* underline a character, if that's how it's done */ | |
| 156 | EXT int UG INIT(0); /* blanks left by US and UE */ | |
| 157 | EXT bool AM INIT(FALSE); /* does terminal have automatic margins? */ | |
| 158 | EXT bool XN INIT(FALSE); /* does it eat 1st newline after automatic wrap? */ | |
| 159 | EXT char PC INIT(0); /* pad character for use by tputs() */ | |
| 160 | EXT short ospeed INIT(0); /* terminal output speed, for use by tputs() */ | |
| 161 | EXT int LINES INIT(0), COLS INIT(0); /* size of screen */ | |
| 162 | EXT int just_a_sec INIT(960); /* 1 sec at current baud rate */ | |
| 163 | /* (number of nulls) */ | |
| 164 | ||
| 165 | /* define a few handy macros */ | |
| 166 | ||
| 167 | #define backspace() tputs(BC,0,putchr) FLUSH | |
| 168 | #define clear() tputs(CL,LINES,putchr) FLUSH | |
| 169 | #define erase_eol() tputs(CE,1,putchr) FLUSH | |
| 170 | #ifdef CLEAREOL | |
| 171 | #define clear_rest() tputs(CD,LINES,putchr) FLUSH /* PWP */ | |
| 172 | #define maybe_eol() if(erase_screen&&can_home_clear)tputs(CE,1,putchr) FLUSH | |
| 173 | #endif CLEAREOL | |
| 174 | #define underline() tputs(US,1,putchr) FLUSH | |
| 175 | #define un_underline() tputs(UE,1,putchr) FLUSH | |
| 176 | #define underchar() tputs(UC,0,putchr) FLUSH | |
| 177 | #define standout() tputs(SO,1,putchr) FLUSH | |
| 178 | #define un_standout() tputs(SE,1,putchr) FLUSH | |
| 179 | #define up_line() tputs(UP,1,putchr) FLUSH | |
| 180 | #define carriage_return() tputs(CR,1,putchr) FLUSH | |
| 181 | #define dingaling() tputs(VB,1,putchr) FLUSH | |
| 182 | #else | |
| 183 | ???????? /* up to you */ | |
| 184 | #endif | |
| 185 | ||
| 186 | EXT int page_line INIT(1); /* line number for paging in print_line (origin 1) */ | |
| 187 | ||
| 188 | void term_init(); | |
| 189 | void term_set(); | |
| 190 | #ifdef PUSHBACK | |
| 191 | void pushchar(); | |
| 192 | void mac_init(); | |
| 193 | void mac_line(); | |
| 194 | void show_macros(); | |
| 195 | #endif | |
| 196 | char putchr(); /* routine for tputs to call */ | |
| 197 | bool finish_command(); | |
| 198 | void eat_typeahead(); | |
| 199 | void settle_down(); | |
| 200 | #ifndef read_tty | |
| 201 | int read_tty(); | |
| 202 | #endif | |
| 203 | void underprint(); | |
| 204 | #ifdef NOFIREWORKS | |
| 205 | void no_sofire(); | |
| 206 | void no_ulfire(); | |
| 207 | #endif | |
| 208 | void getcmd(); | |
| 209 | int get_anything(); | |
| 210 | void in_char(); | |
| 211 | int print_lines(); | |
| 212 | void page_init(); | |
| 213 | void pad(); | |
| 214 | void printcmd(); | |
| 215 | void rubout(); | |
| 216 | void reprint(); | |
| 217 | #ifdef CLEAREOL | |
| 218 | void home_cursor(); | |
| 219 | #endif CLEAREOL |