term.h revision 1.4
1 /* Header: term.h,v 7.0.1.2 86/12/12 17:05:15 lwall Exp */ 2 3 /* Log: term.h,v 4 * Revision 7.0.1.2 86/12/12 17:05:15 lwall 5 * Baseline for net release. 6 * 7 * Revision 7.0.1.1 86/10/16 10:53:33 lwall 8 * Added Damage. Fixed random bugs. 9 * 10 * Revision 7.0 86/10/08 15:14:07 lwall 11 * Split into separate files. Added amoebas and pirates. 12 * 13 */ 14 15 #ifndef TERM_H 16 #define TERM_H 17 18 #include "util.h" 19 20 /* Compat with old termios. */ 21 #ifndef ECHO 22 #define ECHO 8 23 #endif 24 25 /* warp will still work without the following, but may get ahead at low speed */ 26 #ifdef TIOCOUTQ /* chars left in output queue */ 27 #define output_pending() (ioctl(1, TIOCOUTQ, &iocount),iocount) 28 #endif 29 30 /* If some of the following look something like curses calls, it is because 31 * warp used to use curses but doesn't now. Warp was neither as efficient nor 32 * as portable with curses, and since the program had to cheat on curses all 33 * over the place anyway, we ripped it out. 34 */ 35 #define setimage(of,to) (mvaddch(of->posy+1,of->posx*2,of->image=(to))) 36 37 #define mvaddch(y,x,ch) move((y),(x),(ch)) 38 /* #define addch(ch) (tmpchr=(ch), write(1,&tmpchr,1), real_x++) */ 39 #define mvaddc(y,x,ch) move((y),(x),(ch)) 40 #define addc(ch) (write(1,&(ch),1), real_x++) 41 #define addspace() (write(1," ",1), real_x++) 42 #define mvaddstr(y,x,s) (move((y),(x),0), tmpstr = (s), \ 43 tmplen = strlen(tmpstr), write(1, tmpstr, tmplen), real_x += tmplen) 44 45 EXT size_t tmplen; 46 EXT const char *tmpstr; 47 /* EXT char tmpchr; */ 48 49 /* The following macros are like the pseudo-curses macros above, but do 50 * certain amount of controlled output buffering. 51 * 52 * NOTE: a beg_qwrite()..end_qwrite() sequence must NOT contain a cursor 53 * movement (move), because the move() routine uses beg_qwrite()..end_qwrite() 54 * itself. 55 */ 56 57 #define beg_qwrite() (maxcmstring = cmbuffer) 58 #ifdef vax 59 #define qwrite() asm("movc3 _gfillen,_filler,*_maxcmstring"); maxcmstring += gfillen 60 #else 61 #define qwrite() (movc3(gfillen,filler,maxcmstring), maxcmstring += gfillen) 62 #endif 63 #define qaddc(ch) (*maxcmstring++ = (ch), real_x++) 64 #define qaddch(ch) (*maxcmstring++ = (ch), real_x++) 65 #define qaddspace() (*maxcmstring++ = ' ', real_x++) 66 #define end_qwrite() (write(1,cmbuffer,maxcmstring-cmbuffer)) 67 68 /* setting a ??size to infinity forces cursor addressing in that direction */ 69 70 EXT int CMsize; 71 EXT int BCsize INIT(1); 72 EXT int DOsize INIT(1000); 73 EXT int UPsize INIT(1000); 74 EXT int NDsize INIT(1000); 75 76 EXT int charsperhalfsec; 77 78 EXT int real_y INIT(-100); 79 EXT int real_x INIT(-100); 80 81 #ifdef DOINIT 82 char filler[] = {0,'\b',0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; 83 #else 84 EXT char filler[]; 85 #endif 86 87 EXT char *bsptr INIT(filler+1); 88 89 EXT char term[12]; 90 91 EXT char gfillen INIT(25); 92 93 EXT char *maxcmstring; 94 EXT char cmbuffer[512]; 95 96 #define BREAKCH '\0' 97 98 EXT char INTRCH INIT('\03'); 99 100 #ifdef PUSHBACK 101 EXT char circlebuf[PUSHSIZE]; 102 EXT int nextin INIT(0); 103 EXT int nextout INIT(0); 104 # ifdef PENDING 105 # ifdef FIONREAD 106 EXT long iocount INIT(0); 107 # ifndef lint 108 # define input_pending() (nextin!=nextout || \ 109 (ioctl(0, FIONREAD, &iocount),(int)iocount)) 110 # else 111 # define input_pending() bizarre 112 # endif /* lint */ 113 # else /* FIONREAD */ 114 int circfill(); 115 # ifdef RDCHK 116 # ifndef lint 117 # define input_pending() rdchk(0) 118 # else /* lint */ 119 # define input_pending() bizarre 120 # endif /* lint */ 121 # else /* RDCHK */ 122 # ifndef O_NDELAY /* assert O_NDELAY */ 123 ??? PENDING is not defined correctly in warp.h 124 # endif 125 EXT int devtty INIT(0); 126 # ifndef lint 127 # define input_pending() (nextin!=nextout || circfill()) 128 # else 129 # define input_pending() bizarre 130 # endif /* lint */ 131 # endif /* RDCHK */ 132 # endif /* FIONREAD */ 133 # else /* PENDING */ 134 # ??? warp will not work without PENDING 135 # ifndef lint 136 # define input_pending() (nextin!=nextout) 137 # else 138 # define input_pending() bizarre 139 # endif /* lint */ 140 # endif /* PENDING */ 141 #else /* PUSHBACK */ 142 # ifdef PENDING 143 # ifdef FIONREAD /* must have FIONREAD or O_NDELAY for input_pending() */ 144 # define read_tty(addr,size) read(0,addr,size) 145 # ifndef lint 146 # define input_pending() (ioctl(0, FIONREAD, &iocount), \ 147 (int)iocount) 148 # else 149 # define input_pending() bizarre 150 # endif /* lint */ 151 EXT long iocount INIT(0); 152 # else /* FIONREAD */ 153 # ifdef RDCHK /* actually, they can have rdchk() too */ 154 # define read_tty(addr,size) read(0,addr,size) 155 # ifndef lint 156 # define input_pending() rdchk(0) 157 # else /* lint */ 158 # define input_pending() bizarre 159 # endif /* lint */ 160 # else /* RDCHK */ 161 # ifndef O_NDELAY /* assert O_NDELAY */ 162 ??? PENDING is not defined correctly in warp.h 163 # endif 164 EXT int devtty INIT(0); 165 EXT bool is_input INIT(false); 166 EXT char pending_ch INIT(0); 167 # ifndef lint 168 # define input_pending() (is_input || \ 169 (is_input=read(devtty,&pending_ch,1))) 170 # else 171 # define input_pending() bizarre 172 # endif /* lint */ 173 # endif /* RDCHK */ 174 # endif /* FIONREAD */ 175 # else /* PENDING */ 176 ??? warp will not work without PENDING 177 # define read_tty(addr,size) read(0,addr,size) 178 # define input_pending() (false) 179 # endif /* PENDING */ 180 #endif /* PUSHBACK */ 181 182 /* stuff wanted by terminal mode diddling routines */ 183 184 #ifdef TERMIO 185 EXT struct termio _tty, _oldtty; 186 #else 187 EXT struct sgttyb _tty; 188 EXT int _res_flg INIT(0); 189 #endif 190 191 EXT int _tty_ch INIT(2); 192 EXT bool bizarre INIT(false); /* do we need to restore terminal? */ 193 194 /* terminal mode diddling routines */ 195 196 #ifdef TERMIO 197 198 #define raw() ((bizarre=1),_tty.c_lflag &=~ISIG,_tty.c_cc[VMIN] = 1,ioctl(_tty_ch,TCSETAF,&_tty)) 199 #define noraw() ((bizarre=1),_tty.c_lflag |= ISIG,_tty.c_cc[VEOF] = CEOF,ioctl(_tty_ch,TCSETAF,&_tty)) 200 #define crmode() ((bizarre=1),_tty.c_lflag &=~ICANON,_tty.c_cc[VMIN] = 1,ioctl(_tty_ch,TCSETAF,&_tty)) 201 #define nocrmode() ((bizarre=1),_tty.c_lflag |= ICANON,_tty.c_cc[VEOF] = CEOF,ioctl(_tty_ch,TCSETAF,&_tty)) 202 #define echo() ((bizarre=1),_tty.c_lflag |= ECHO, ioctl(_tty_ch, TCSETAW, &_tty)) 203 #define noecho() ((bizarre=1),_tty.c_lflag &=~ECHO, ioctl(_tty_ch, TCSETAW, &_tty)) 204 #define nl() ((bizarre=1),_tty.c_iflag |= ICRNL,_tty.c_oflag |= ONLCR,ioctl(_tty_ch, TCSETAW, &_tty)) 205 #define nonl() ((bizarre=1),_tty.c_iflag &=~ICRNL,_tty.c_oflag &=~ONLCR,ioctl(_tty_ch, TCSETAW, &_tty)) 206 #define savetty() (ioctl(_tty_ch, TCGETA, &_oldtty),ioctl(_tty_ch, TCGETA, &_tty)) 207 #define resetty() ((bizarre=0),ioctl(_tty_ch, TCSETAF, &_oldtty)) 208 #define unflush_output() 209 210 #else 211 212 #define raw() ((bizarre=1),_tty.sg_flags|=RAW, stty(_tty_ch,&_tty)) 213 #define noraw() ((bizarre=1),_tty.sg_flags&=~RAW,stty(_tty_ch,&_tty)) 214 #define crmode() ((bizarre=1),_tty.sg_flags |= CBREAK, stty(_tty_ch,&_tty)) 215 #define nocrmode() ((bizarre=1),_tty.sg_flags &= ~CBREAK,stty(_tty_ch,&_tty)) 216 #define echo() ((bizarre=1),_tty.sg_flags |= ECHO, stty(_tty_ch, &_tty)) 217 #define noecho() ((bizarre=1),_tty.sg_flags &= ~ECHO, stty(_tty_ch, &_tty)) 218 #define nl() ((bizarre=1),_tty.sg_flags |= CRMOD,stty(_tty_ch, &_tty)) 219 #define nonl() ((bizarre=1),_tty.sg_flags &= ~CRMOD, stty(_tty_ch, &_tty)) 220 #define savetty() (gtty(_tty_ch, &_tty), _res_flg = _tty.sg_flags) 221 #define resetty() ((bizarre=0),_tty.sg_flags = _res_flg, stty(_tty_ch, &_tty)) 222 #endif /* TERMIO */ 223 224 #ifdef TIOCSTI 225 #ifdef lint 226 #define forceme(c) ioctl(_tty_ch,TIOCSTI,Null(long*)) /* ghad! */ 227 #else 228 #define forceme(c) ioctl(_tty_ch,TIOCSTI,c) /* pass character in " " */ 229 #endif /* lint */ 230 #else 231 #define forceme(c) 232 #endif 233 234 /* termcap stuff */ 235 236 /* 237 * NOTE: if you don't have termlib you'll have to define these strings, 238 * the tputs routine, and the tgoto routine. 239 * The tgoto routine simply produces a cursor addressing string for a given 240 * x and y. The 1st argument is a generic string to be interpreted. 241 * If you are hardwiring it you might just ignore the 1st argument. 242 * The tputs routine interprets any leading number as a padding factor, possibly 243 * scaled by the number of lines (2nd argument), puts out the string (1st arg) 244 * and the padding using the routine specified as the 3rd argument. 245 */ 246 247 #ifdef HAVETERMLIB 248 EXT char *BC INIT(NULL); /* backspace character */ 249 EXT char *UP INIT(NULL); /* move cursor up one line */ 250 EXT char *myUP; 251 EXT char *ND INIT(NULL); /* non-destructive cursor right */ 252 EXT char *myND; 253 EXT char *DO INIT(NULL); /* move cursor down one line */ 254 EXT char *myDO; 255 EXT char *CR INIT(NULL); /* get to left margin, somehow */ 256 EXT char *VB INIT(NULL); /* visible bell */ 257 EXT char *CL INIT(NULL); /* home and clear screen */ 258 EXT char *CE INIT(NULL); /* clear to end of line */ 259 EXT char *CM INIT(NULL); /* cursor motion -- PWP */ 260 EXT char *HO INIT(NULL); /* home cursor -- PWP */ 261 EXT char *CD INIT(NULL); /* clear to end of display -- PWP */ 262 EXT char *SO INIT(NULL); /* begin standout mode */ 263 EXT char *SE INIT(NULL); /* end standout mode */ 264 EXT int SG INIT(0); /* blanks left by SO and SE */ 265 EXT char *US INIT(NULL); /* start underline mode */ 266 EXT char *UE INIT(NULL); /* end underline mode */ 267 EXT char *UC INIT(NULL); /* underline a character, if that's how it's done */ 268 EXT int UG INIT(0); /* blanks left by US and UE */ 269 EXT bool AM INIT(false); /* does terminal have automatic margins? */ 270 EXT bool XN INIT(false); /* does it eat 1st newline after automatic wrap? */ 271 EXT char PC INIT(0); /* pad character for use by tputs() */ 272 EXT short ospeed INIT(0); /* terminal output speed, for use by tputs() */ 273 EXT int LINES INIT(0), COLS INIT(0); /* size of screen */ 274 EXT int just_a_sec INIT(960); /* 1 sec at current baud rate */ 275 /* (number of nulls) */ 276 EXT char ERASECH; /* rubout character */ 277 EXT char KILLCH; /* line delete character */ 278 279 /* define a few handy macros */ 280 281 #define clear() (do_tc(CL,LINES),real_y=real_x=0) 282 #define erase_eol() do_tc(CE,1) 283 #define backspace() (do_tc(BC,0),real_x--) 284 #define clear_rest() do_tc(CD,LINES) 285 #define underline() do_tc(US,1) 286 #define un_underline() do_tc(UE,1) 287 #define underchar() do_tc(UC,0) 288 #define standout() do_tc(SO,1) 289 #define un_standout() do_tc(SE,1) 290 #define up_line() do_tc(UP,1) 291 #define dingaling() do_tc(VB,1) 292 #else 293 ???????? /* up to you */ 294 #endif 295 296 void term_init(void); 297 void term_set(char *); 298 #ifdef PUSHBACK 299 void pushchar(int); 300 void mac_init(char *); 301 void mac_line(char *, char *, size_t); 302 #endif 303 void page(const char *filename, size_t); 304 void move(int, int, int); 305 void do_tc(const char *, int); 306 int comp_tc(char *, const char *, int); 307 void helper(void); 308 void rewrite(void); 309 int cmstore(int); 310 void eat_typeahead(void); 311 void settle_down(void); 312 #ifndef read_tty 313 int read_tty(char *, ssize_t); 314 #endif 315 int read_nd(char *, size_t); 316 void getcmd(char *); 317 void pushstring(char *); 318 319 #endif 320
Indexes created Fri Oct 03 15:10:06 GMT 2025