1 /* 2 | new_curse.c 3 | 4 | A subset of curses developed for use with ae. 5 | 6 | written by Hugh Mahon 7 | 8 | Copyright (c) 1986, 1987, 1988, 1991, 1992, 1993, 1994, 1995, 2009 Hugh Mahon 9 | All rights reserved. 10 | 11 | Redistribution and use in source and binary forms, with or without 12 | modification, are permitted provided that the following conditions 13 | are met: 14 | 15 | * Redistributions of source code must retain the above copyright 16 | notice, this list of conditions and the following disclaimer. 17 | * Redistributions in binary form must reproduce the above 18 | copyright notice, this list of conditions and the following 19 | disclaimer in the documentation and/or other materials provided 20 | with the distribution. 21 | 22 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23 | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 24 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 25 | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 26 | COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 27 | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 28 | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 29 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 30 | CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 32 | ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 | POSSIBILITY OF SUCH DAMAGE. 34 | 35 | 36 | All are rights reserved. 37 | 38 | $Header: /home/hugh/sources/old_ae/RCS/new_curse.c,v 1.54 2002/09/21 00:47:14 hugh Exp $ 39 | 40 */ 41 42 char *copyright_message[] = { "Copyright (c) 1986, 1987, 1988, 1991, 1992, 1993, 1994, 1995, 2009 Hugh Mahon", 43 "All rights are reserved."}; 44 45 char * new_curse_name= "@(#) new_curse.c $Revision: 1.54 $"; 46 47 #include "new_curse.h" 48 #include <signal.h> 49 #include <fcntl.h> 50 51 #ifdef SYS5 52 #include <string.h> 53 #else 54 #include <strings.h> 55 #endif 56 57 #ifdef BSD_SELECT 58 #include <sys/types.h> 59 #include <sys/time.h> 60 61 #ifdef SLCT_HDR 62 #include <sys/select.h> /* on AIX */ 63 #endif /* SLCT_HDR */ 64 65 #endif /* BSD_SELECT */ 66 67 #ifdef HAS_STDLIB 68 #include <stdlib.h> 69 #endif 70 71 #if defined(__STDC__) 72 #include <stdarg.h> 73 #else 74 #include <varargs.h> 75 #endif 76 77 #ifdef HAS_UNISTD 78 #include <unistd.h> 79 #endif 80 81 #ifdef HAS_SYS_IOCTL 82 #include <sys/ioctl.h> 83 #endif 84 85 86 WINDOW *curscr; 87 static WINDOW *virtual_scr; 88 WINDOW *stdscr; 89 WINDOW *last_window_refreshed; 90 91 #ifdef TIOCGWINSZ 92 struct winsize ws; 93 #endif 94 95 #define min(a, b) (a < b ? a : b) 96 #define highbitset(a) ((a) & 0x80) 97 98 #ifndef CAP 99 #define String_Out(table, stack, place) Info_Out(table, stack, place) 100 #else 101 #define String_Out(table, stack, place) Cap_Out(table, stack, place) 102 #endif 103 104 #define bw__ 0 /* booleans */ 105 #define am__ 1 106 #define xb__ 2 107 #define xs__ 3 /* hp glitch (standout not erased by overwrite) */ 108 #define xn__ 4 109 #define eo__ 5 110 #define gn__ 6 /* generic type terminal */ 111 #define hc__ 7 /* hardcopy terminal */ 112 #define km__ 8 113 #define hs__ 9 114 #define in__ 10 115 #define da__ 11 116 #define db__ 12 117 #define mi__ 13 /* safe to move during insert mode */ 118 #define ms__ 14 /* safe to move during standout mode */ 119 #define os__ 15 120 #define es__ 16 121 #define xt__ 17 122 #define hz__ 18 /* hazeltine glitch */ 123 #define ul__ 19 124 #define xo__ 20 125 #define chts__ 21 126 #define nxon__ 22 127 #define nrrmc__ 23 128 #define npc__ 24 129 #define mc5i__ 25 130 131 #define co__ 0 /* number of columns */ /* numbers */ 132 #define it__ 1 /* spaces per tab */ 133 #define li__ 2 /* number of lines */ 134 #define lm__ 3 135 #define sg__ 4 /* magic cookie glitch */ 136 #define pb__ 5 137 #define vt__ 6 138 #define ws__ 7 139 140 #define cols__ 0 141 #define lines__ 2 142 #define xmc__ 4 143 #define vt__ 6 144 #define wsl__ 7 145 #define nlab__ 8 146 #define lh__ 9 147 #define lw__ 10 148 149 #define bt__ 0 /* back tab */ /* strings */ 150 #define bl__ 1 /* bell */ 151 #define cr__ 2 /* carriage return */ 152 #define cs__ 3 /* change scroll region */ 153 #define ct__ 4 /* clear all tab stops */ 154 #define cl__ 5 /* clear screen and home cursor */ 155 #define ce__ 6 /* clear to end of line */ 156 #define cd__ 7 /* clear to end of display */ 157 #define ch__ 8 /* set cursor column */ 158 #define CC__ 9 /* term, settable cmd char in */ 159 #define cm__ 10 /* screen rel cursor motion, row, column */ 160 #define do__ 11 /* down one line */ 161 #define ho__ 12 /* home cursor */ 162 #define vi__ 13 /* make cursor invisible */ 163 #define le__ 14 /* move cursor left one space */ 164 #define CM__ 15 /* memory rel cursor addressing */ 165 #define ve__ 16 /* make cursor appear normal */ 166 #define nd__ 17 /* non-destructive space (cursor right) */ 167 #define ll__ 18 /* last line, first col */ 168 #define up__ 19 /* cursor up */ 169 #define vs__ 20 170 #define dc__ 21 /* delete character */ 171 #define dl__ 22 /* delete line */ 172 #define ds__ 23 173 #define hd__ 24 174 #define as__ 25 175 #define mb__ 26 176 #define md__ 27 /* turn on bold */ 177 #define ti__ 28 178 #define dm__ 29 /* turn on delete mode */ 179 #define mh__ 30 /* half bright mode */ 180 #define im__ 31 /* insert mode */ 181 #define mk__ 32 182 #define mp__ 33 183 #define mr__ 34 184 #define so__ 35 /* enter standout mode */ 185 #define us__ 36 186 #define ec__ 37 187 #define ae__ 38 188 #define me__ 39 189 #define te__ 40 190 #define ed__ 41 191 #define ei__ 42 /* exit insert mode */ 192 #define se__ 43 /* exit standout mode */ 193 #define ue__ 44 194 #define vb__ 45 195 #define ff__ 46 196 #define fs__ 47 197 #define i1__ 48 198 #define i2__ 49 199 #define i3__ 50 200 #define if__ 51 201 #define ic__ 52 202 #define al__ 53 203 #define ip__ 54 204 #define kb__ 55 /* backspace key */ 205 #define ka__ 56 206 #define kC__ 57 207 #define kt__ 58 208 #define kD__ 59 209 #define kL__ 60 210 #define kd__ 61 211 #define kM__ 62 212 #define kE__ 63 213 #define kS__ 64 214 #define k0__ 65 215 #define k1__ 66 216 #define kf10__ 67 217 #define k2__ 68 218 #define k3__ 69 219 #define k4__ 70 220 #define k5__ 71 221 #define k6__ 72 222 #define k7__ 73 223 #define k8__ 74 224 #define k9__ 75 225 #define kh__ 76 226 #define kI__ 77 227 #define kA__ 78 228 #define kl__ 79 229 #define kH__ 80 230 #define kN__ 81 231 #define kP__ 82 232 #define kr__ 83 233 #define kF__ 84 234 #define kR__ 85 235 #define kT__ 86 236 #define ku__ 87 /* key up */ 237 #define ke__ 88 238 #define ks__ 89 239 #define l0__ 90 240 #define l1__ 91 241 #define la__ 92 242 #define l2__ 93 243 #define l3__ 94 244 #define l4__ 95 245 #define l5__ 96 246 #define l6__ 97 247 #define l7__ 98 248 #define l8__ 99 249 #define l9__ 100 250 #define mo__ 101 251 #define mm__ 102 252 #define nw__ 103 253 #define pc__ 104 254 #define DC__ 105 255 #define DL__ 106 256 #define DO__ 107 257 #define IC__ 118 258 #define SF__ 109 259 #define AL__ 110 260 #define LE__ 111 261 #define RI__ 112 262 #define SR__ 113 263 #define UP__ 114 264 #define pk__ 115 265 #define pl__ 116 266 #define px__ 117 267 #define ps__ 118 268 #define pf__ 119 269 #define po__ 120 270 #define rp__ 121 271 #define r1__ 122 272 #define r2__ 123 273 #define r3__ 124 274 #define rf__ 125 275 #define rc__ 126 276 #define cv__ 127 277 #define sc__ 128 278 #define sf__ 129 279 #define sr__ 130 280 #define sa__ 131 /* sgr */ 281 #define st__ 132 282 #define wi__ 133 283 #define ta__ 134 284 #define ts__ 135 285 #define uc__ 136 286 #define hu__ 137 287 #define iP__ 138 288 #define K1__ 139 289 #define K2__ 140 290 #define K3__ 141 291 #define K4__ 142 292 #define K5__ 143 293 #define pO__ 144 294 #define ml__ 145 295 #define mu__ 146 296 #define rmp__ 145 297 #define acsc__ 146 298 #define pln__ 147 299 #define kcbt__ 148 300 #define smxon__ 149 301 #define rmxon__ 150 302 #define smam__ 151 303 #define rmam__ 152 304 #define xonc__ 153 305 #define xoffc__ 154 306 #define enacs__ 155 307 #define smln__ 156 308 #define rmln__ 157 309 #define kbeg__ 158 310 #define kcan__ 159 311 #define kclo__ 160 312 #define kcmd__ 161 313 #define kcpy__ 162 314 #define kcrt__ 163 315 #define kend__ 164 316 #define kent__ 165 317 #define kext__ 166 318 #define kfnd__ 167 319 #define khlp__ 168 320 #define kmrk__ 169 321 #define kmsg__ 170 322 #define kmov__ 171 323 #define knxt__ 172 324 #define kopn__ 173 325 #define kopt__ 174 326 #define kprv__ 175 327 #define kprt__ 176 328 #define krdo__ 177 329 #define kref__ 178 330 #define krfr__ 179 331 #define krpl__ 180 332 #define krst__ 181 333 #define kres__ 182 334 #define ksav__ 183 335 #define kspd__ 184 336 #define kund__ 185 337 #define kBEG__ 186 338 #define kCAN__ 187 339 #define kCMD__ 188 340 #define kCPY__ 189 341 #define kCRT__ 190 342 #define kDC__ 191 343 #define kDL__ 192 344 #define kslt__ 193 345 #define kEND__ 194 346 #define kEOL__ 195 347 #define kEXT__ 196 348 #define kFND__ 197 349 #define kHLP__ 198 350 #define kHOM__ 199 351 #define kIC__ 200 352 #define kLFT__ 201 353 #define kMSG__ 202 354 #define kMOV__ 203 355 #define kNXT__ 204 356 #define kOPT__ 205 357 #define kPRV__ 206 358 #define kPRT__ 207 359 #define kRDO__ 208 360 #define kRPL__ 209 361 #define kRIT__ 210 362 #define kRES__ 211 363 #define kSAV__ 212 364 #define kSPD__ 213 365 #define kUND__ 214 366 #define rfi__ 215 367 #define kf11__ 216 368 #define kf12__ 217 369 #define kf13__ 218 370 #define kf14__ 219 371 #define kf15__ 220 372 #define kf16__ 221 373 #define kf17__ 222 374 #define kf18__ 223 375 #define kf19__ 224 376 #define kf20__ 225 377 #define kf21__ 226 378 #define kf22__ 227 379 #define kf23__ 228 380 #define kf24__ 229 381 #define kf25__ 230 382 #define kf26__ 231 383 #define kf27__ 232 384 #define kf28__ 233 385 #define kf29__ 234 386 #define kf30__ 235 387 #define kf31__ 236 388 #define kf32__ 237 389 #define kf33__ 238 390 #define kf34__ 239 391 #define kf35__ 240 392 #define kf36__ 241 393 #define kf37__ 242 394 #define kf38__ 243 395 #define kf39__ 244 396 #define kf40__ 245 397 #define kf41__ 246 398 #define kf42__ 247 399 #define kf43__ 248 400 #define kf44__ 249 401 #define kf45__ 250 402 #define kf46__ 251 403 #define kf47__ 252 404 #define kf48__ 253 405 #define kf49__ 254 406 #define kf50__ 255 407 #define kf51__ 256 408 #define kf52__ 257 409 #define kf53__ 258 410 #define kf54__ 259 411 #define kf55__ 260 412 #define kf56__ 261 413 #define kf57__ 262 414 #define kf58__ 263 415 #define kf59__ 264 416 #define kf60__ 265 417 #define kf61__ 266 418 #define kf62__ 267 419 #define kf63__ 268 420 #define el1__ 269 421 #define mgc__ 270 422 #define smgl__ 271 423 #define smgr__ 272 424 425 #ifdef CAP 426 char *Boolean_names[] = { 427 "bw", "am", "xb", "xs", "xn", "eo", "gn", "hc", "km", "hs", "in", "da", "db", 428 "mi", "ms", "os", "es", "xt", "hz", "ul", "xo", "HC", "nx", "NR", "NP", "5i" 429 }; 430 431 char *Number_names[] = { 432 "co#", "it#", "li#", "lm#", "sg#", "pb#", "vt#", "ws#", "Nl#", "lh#", "lw#" 433 }; 434 435 char *String_names[] = { 436 "bt=", "bl=", "cr=", "cs=", "ct=", "cl=", "ce=", "cd=", "ch=", "CC=", "cm=", 437 "do=", "ho=", "vi=", "le=", "CM=", "ve=", "nd=", "ll=", "up=", "vs=", "dc=", 438 "dl=", "ds=", "hd=", "as=", "mb=", "md=", "ti=", "dm=", "mh=", "im=", "mk=", 439 "mp=", "mr=", "so=", "us=", "ec=", "ae=", "me=", "te=", "ed=", "ei=", "se=", 440 "ue=", "vb=", "ff=", "fs=", "i1=", "i2=", "i3=", "if=", "ic=", "al=", "ip=", 441 "kb=", "ka=", "kC=", "kt=", "kD=", "kL=", "kd=", "kM=", "kE=", "kS=", "k0=", 442 "k1=", "k;=", "k2=", "k3=", "k4=", "k5=", "k6=", "k7=", "k8=", "k9=", "kh=", 443 "kI=", "kA=", "kl=", "kH=", "kN=", "kP=", "kr=", "kF=", "kR=", "kT=", "ku=", 444 "ke=", "ks=", "l0=", "l1=", "la=", "l2=", "l3=", "l4=", "l5=", "l6=", "l7=", 445 "l8=", "l9=", "mo=", "mm=", "nw=", "pc=", "DC=", "DL=", "DO=", "IC=", "SF=", 446 "AL=", "LE=", "RI=", "SR=", "UP=", "pk=", "pl=", "px=", "ps=", "pf=", "po=", 447 "rp=", "r1=", "r2=", "r3=", "rf=", "rc=", "cv=", "sc=", "sf=", "sr=", "sa=", 448 "st=", "wi=", "ta=", "ts=", "uc=", "hu=", "iP=", "K1=", "K3=", "K2=", "K4=", 449 "K5=", "pO=", "rP=", "ac=", "pn=", "kB=", "SX=", "RX=", "SA=", "RA=", "XN=", 450 "XF=", "eA=", "LO=", "LF=", "@1=", "@2=", "@3=", "@4=", "@5=", "@6=", "@7=", 451 "@8=", "@9=", "@0=", "%1=", "%2=", "%3=", "%4=", "%5=", "%6=", "%7=", "%8=", 452 "%9=", "%0=", "&1=", "&2=", "&3=", "&4=", "&5=", "&6=", "&7=", "&8=", "&9=", 453 "&0=", "*1=", "*2=", "*3=", "*4=", "*5=", "*6=", "*7=", "*8=", "*9=", "*0=", 454 "#1=", "#2=", "#3=", "#4=", "%a=", "%b=", "%c=", "%d=", "%e=", "%f=", "%g=", 455 "%h=", "%i=", "%j=", "!1=", "!2=", "!3=", "RF=", "F1=", "F2=", "F3=", "F4=", 456 "F5=", "F6=", "F7=", "F8=", "F9=", "FA=", "FB=", "FC=", "FD=", "FE=", "FF=", 457 "FG=", "FH=", "FI=", "FJ=", "FK=", "FL=", "FM=", "FN=", "FO=", "FP=", "FQ=", 458 "FR=", "FS=", "FT=", "FU=", "FV=", "FW=", "FX=", "FY=", "FZ=", "Fa=", "Fb=", 459 "Fc=", "Fd=", "Fe=", "Ff=", "Fg=", "Fh=", "Fi=", "Fj=", "Fk=", "Fl=", "Fm=", 460 "Fn=", "Fo=", "Fp=", "Fq=", "Fr=", "cb=", "MC=", "ML=", "MR=" 461 }; 462 #endif 463 464 char *new_curse = "October 1987"; 465 466 char in_buff[100]; /* buffer for ungetch */ 467 int bufp; /* next free position in in_buff */ 468 469 char *TERMINAL_TYPE = NULL; /* terminal type to be gotten from environment */ 470 int CFOUND = FALSE; 471 int Data_Line_len = 0; 472 int Max_Key_len; /* max length of a sequence sent by a key */ 473 char *Data_Line = NULL; 474 char *TERM_PATH = NULL; 475 char *TERM_data_ptr = NULL; 476 char *Term_File_name = NULL; /* name of file containing terminal description */ 477 FILE *TFP; /* file pointer to file with terminal des. */ 478 int Fildes; /* file descriptor for terminfo file */ 479 int STAND = FALSE; /* is standout mode activated? */ 480 int TERM_INFO = FALSE; /* is terminfo being used (TRUE), or termcap (FALSE) */ 481 int Time_Out; /* set when time elapsed while trying to read function key */ 482 int Curr_x; /* current x position on screen */ 483 int Curr_y; /* current y position on the screen */ 484 int LINES; 485 int COLS; 486 int Move_It; /* flag to move cursor if magic cookie glitch */ 487 int initialized = FALSE; /* tells whether new_curse is initialized */ 488 float speed; 489 float chars_per_millisecond; 490 int Repaint_screen; /* if an operation to change screen impossible, repaint screen */ 491 int Intr; /* storeage for interrupt character */ 492 int Parity; /* 0 = no parity, 1 = odd parity, 2 = even parity */ 493 int Noblock; /* for BSD systems */ 494 int Num_bits; /* number of bits per character */ 495 int Flip_Bytes; /* some systems have byte order reversed */ 496 int interrupt_flag = FALSE; /* set true if SIGWINCH received */ 497 498 #ifndef CAP 499 char *Strings; 500 #endif 501 502 #if !defined(TERMCAP) 503 #define TERMCAP "/etc/termcap" 504 #endif 505 506 struct KEYS { 507 int length; /* length of string sent by key */ 508 char *string; /* string sent by key */ 509 int value; /* CURSES value of key (9-bit) */ 510 }; 511 512 struct KEY_STACK { 513 struct KEYS *element; 514 struct KEY_STACK *next; 515 }; 516 517 struct KEY_STACK *KEY_TOS = NULL; 518 struct KEY_STACK *KEY_POINT; 519 520 /* 521 | 522 | Not all systems have good terminal information, so we will define 523 | keyboard information here for the most widely used terminal type, 524 | the VT100. 525 | 526 */ 527 528 struct KEYS vt100[] = 529 { 530 { 3, "\033[A", 0403 }, /* key up */ 531 { 3, "\033[C", 0405 }, /* key right */ 532 { 3, "\033[D", 0404 }, /* key left */ 533 534 { 4, "\033[6~", 0522 }, /* key next page */ 535 { 4, "\033[5~", 0523 }, /* key prev page */ 536 { 3, "\033[[", 0550 }, /* key end */ 537 { 3, "\033[@", 0406 }, /* key home */ 538 { 4, "\033[2~", 0513 }, /* key insert char */ 539 540 { 3, "\033[y", 0410 }, /* key F0 */ 541 { 3, "\033[P", 0411 }, /* key F1 */ 542 { 3, "\033[Q", 0412 }, /* key F2 */ 543 { 3, "\033[R", 0413 }, /* key F3 */ 544 { 3, "\033[S", 0414 }, /* key F4 */ 545 { 3, "\033[t", 0415 }, /* key F5 */ 546 { 3, "\033[u", 0416 }, /* key F6 */ 547 { 3, "\033[v", 0417 }, /* key F7 */ 548 { 3, "\033[l", 0420 }, /* key F8 */ 549 { 3, "\033[w", 0421 }, /* key F9 */ 550 { 3, "\033[x", 0422 }, /* key F10 */ 551 552 { 5, "\033[10~", 0410 }, /* key F0 */ 553 { 5, "\033[11~", 0411 }, /* key F1 */ 554 { 5, "\033[12~", 0412 }, /* key F2 */ 555 { 5, "\033[13~", 0413 }, /* key F3 */ 556 { 5, "\033[14~", 0414 }, /* key F4 */ 557 { 5, "\033[15~", 0415 }, /* key F5 */ 558 { 5, "\033[17~", 0416 }, /* key F6 */ 559 { 5, "\033[18~", 0417 }, /* key F7 */ 560 { 5, "\033[19~", 0420 }, /* key F8 */ 561 { 5, "\033[20~", 0421 }, /* key F9 */ 562 { 5, "\033[21~", 0422 }, /* key F10 */ 563 { 5, "\033[23~", 0423 }, /* key F11 */ 564 { 5, "\033[24~", 0424 }, /* key F12 */ 565 { 3, "\033[q", 0534 }, /* ka1 upper-left of keypad */ 566 { 3, "\033[s", 0535 }, /* ka3 upper-right of keypad */ 567 { 3, "\033[r", 0536 }, /* kb2 center of keypad */ 568 { 3, "\033[p", 0537 }, /* kc1 lower-left of keypad */ 569 { 3, "\033[n", 0540 }, /* kc3 lower-right of keypad */ 570 571 /* 572 | The following are the same keys as above, but with 573 | a different character following the escape char. 574 */ 575 576 { 3, "\033OA", 0403 }, /* key up */ 577 { 3, "\033OC", 0405 }, /* key right */ 578 { 3, "\033OD", 0404 }, /* key left */ 579 { 3, "\033OB", 0402 }, /* key down */ 580 { 4, "\033O6~", 0522 }, /* key next page */ 581 { 4, "\033O5~", 0523 }, /* key prev page */ 582 { 3, "\033O[", 0550 }, /* key end */ 583 { 3, "\033O@", 0406 }, /* key home */ 584 { 4, "\033O2~", 0513 }, /* key insert char */ 585 586 { 3, "\033Oy", 0410 }, /* key F0 */ 587 { 3, "\033OP", 0411 }, /* key F1 */ 588 { 3, "\033OQ", 0412 }, /* key F2 */ 589 { 3, "\033OR", 0413 }, /* key F3 */ 590 { 3, "\033OS", 0414 }, /* key F4 */ 591 { 3, "\033Ot", 0415 }, /* key F5 */ 592 { 3, "\033Ou", 0416 }, /* key F6 */ 593 { 3, "\033Ov", 0417 }, /* key F7 */ 594 { 3, "\033Ol", 0420 }, /* key F8 */ 595 { 3, "\033Ow", 0421 }, /* key F9 */ 596 { 3, "\033Ox", 0422 }, /* key F10 */ 597 598 { 5, "\033O10~", 0410 }, /* key F0 */ 599 { 5, "\033O11~", 0411 }, /* key F1 */ 600 { 5, "\033O12~", 0412 }, /* key F2 */ 601 { 5, "\033O13~", 0413 }, /* key F3 */ 602 { 5, "\033O14~", 0414 }, /* key F4 */ 603 { 5, "\033O15~", 0415 }, /* key F5 */ 604 { 5, "\033O17~", 0416 }, /* key F6 */ 605 { 5, "\033O18~", 0417 }, /* key F7 */ 606 { 5, "\033O19~", 0420 }, /* key F8 */ 607 { 5, "\033O20~", 0421 }, /* key F9 */ 608 { 5, "\033O21~", 0422 }, /* key F10 */ 609 { 5, "\033O23~", 0423 }, /* key F11 */ 610 { 5, "\033O24~", 0424 }, /* key F12 */ 611 { 3, "\033Oq", 0534 }, /* ka1 upper-left of keypad */ 612 { 3, "\033Os", 0535 }, /* ka3 upper-right of keypad */ 613 { 3, "\033Or", 0536 }, /* kb2 center of keypad */ 614 { 3, "\033Op", 0537 }, /* kc1 lower-left of keypad */ 615 { 3, "\033On", 0540 }, /* kc3 lower-right of keypad */ 616 617 { 0, "", 0 } /* end */ 618 }; 619 620 struct Parameters { 621 int value; 622 struct Parameters *next; 623 }; 624 625 int Key_vals[] = { 626 0407, 0526, 0515, 0525, 0512, 0510, 0402, 0514, 0517, 0516, 0410, 0411, 627 0422, 0412, 0413, 0414, 0415, 0416, 0417, 0420, 0421, 0406, 0513, 0511, 628 0404, 0533, 0522, 0523, 0405, 0520, 0521, 0524, 0403, 629 0534, 0535, 0536, 0537, 0540, 0541, 0542, 0543, 0544, 0545, 0546, 0547, 630 0550, 0527, 0551, 0552, 0553, 0554, 0555, 0556, 0557, 0560, 0561, 0562, 631 0532, 0563, 0564, 0565, 0566, 0567, 0570, 0571, 0627, 0630, 0572, 0573, 632 0574, 0575, 0576, 0577, 0600, 0601, 0602, 0603, 0604, 0605, 0606, 0607, 633 0610, 0611, 0612, 0613, 0614, 0615, 0616, 0617, 0620, 0621, 0622, 0623, 634 0624, 0625, 0626, 0423, 0424, 0425, 0426, 0427, 0430, 0431, 635 0432, 0433, 0434, 0435, 0436, 0437, 0440, 0441, 0442, 0443, 0444, 0445, 636 0446, 0447, 0450, 0451, 0452, 0453, 0454, 0455, 0456, 0457, 0460, 0461, 637 0462, 0463, 0464, 0465, 0466, 0467, 0470, 0471, 0472, 0473, 0474, 0475, 638 0476, 0477, 0500, 0501, 0502, 0503, 0504, 0505, 0506, 0507 639 }; 640 641 int attributes_set[9]; 642 643 static int nc_attributes = 0; /* global attributes for new_curse to observe */ 644 645 #ifdef SYS5 646 struct termio Terminal; 647 struct termio Saved_tty; 648 #else 649 struct sgttyb Terminal; 650 struct sgttyb Saved_tty; 651 #endif 652 653 char *tc_; 654 655 int Booleans[128]; 656 int Numbers[128]; 657 char *String_table[1024]; 658 659 int *virtual_lines; 660 661 static char nc_scrolling_ability = FALSE; 662 663 char *terminfo_path[] = { 664 "/usr/lib/terminfo", 665 "/usr/share/lib/terminfo", 666 "/usr/share/terminfo", 667 NULL 668 }; 669 670 #ifdef CAP 671 672 #if defined(__STDC__) || defined(__cplusplus) 673 #define P_(s) s 674 #else 675 #define P_(s) () 676 #endif /* __STDC__ */ 677 678 int tc_Get_int P_((int)); 679 void CAP_PARSE P_((void)); 680 void Find_term P_((void)); 681 682 #undef P_ 683 684 #endif /* CAP */ 685 686 687 #ifndef __STDC__ 688 #ifndef HAS_STDLIB 689 extern char *fgets(); 690 extern char *malloc(); 691 extern char *getenv(); 692 FILE *fopen(); /* declaration for open function */ 693 #endif /* HAS_STDLIB */ 694 #endif /* __STDC__ */ 695 696 #ifdef SIGWINCH 697 698 /* 699 | Copy the contents of one window to another. 700 */ 701 702 void 703 copy_window(origin, destination) 704 WINDOW *origin, *destination; 705 { 706 int row, column; 707 struct _line *orig, *dest; 708 709 orig = origin->first_line; 710 dest = destination->first_line; 711 712 for (row = 0; 713 row < (min(origin->Num_lines, destination->Num_lines)); 714 row++) 715 { 716 for (column = 0; 717 column < (min(origin->Num_cols, destination->Num_cols)); 718 column++) 719 { 720 dest->row[column] = orig->row[column]; 721 dest->attributes[column] = orig->attributes[column]; 722 } 723 dest->changed = orig->changed; 724 dest->scroll = orig->scroll; 725 dest->last_char = min(orig->last_char, destination->Num_cols); 726 orig = orig->next_screen; 727 dest = dest->next_screen; 728 } 729 destination->LX = min((destination->Num_cols - 1), origin->LX); 730 destination->LY = min((destination->Num_lines - 1), origin->LY); 731 destination->Attrib = origin->Attrib; 732 destination->scroll_up = origin->scroll_up; 733 destination->scroll_down = origin->scroll_down; 734 destination->SCROLL_CLEAR = origin->SCROLL_CLEAR; 735 } 736 737 void 738 reinitscr(foo) 739 int foo; 740 { 741 WINDOW *local_virt; 742 WINDOW *local_std; 743 WINDOW *local_cur; 744 745 signal(SIGWINCH, reinitscr); 746 #ifdef TIOCGWINSZ 747 if (ioctl(0, TIOCGWINSZ, &ws) >= 0) 748 { 749 if (ws.ws_row == LINES && ws.ws_col == COLS) 750 return; 751 if (ws.ws_row > 0) 752 LINES = ws.ws_row; 753 if (ws.ws_col > 0) 754 COLS = ws.ws_col; 755 } 756 #endif /* TIOCGWINSZ */ 757 local_virt = newwin(LINES, COLS, 0, 0); 758 local_std = newwin(LINES, COLS, 0, 0); 759 local_cur = newwin(LINES, COLS, 0, 0); 760 copy_window(virtual_scr, local_virt); 761 copy_window(stdscr, local_std); 762 copy_window(curscr, local_cur); 763 delwin(virtual_scr); 764 delwin(stdscr); 765 delwin(curscr); 766 virtual_scr = local_virt; 767 stdscr = local_std; 768 curscr = local_cur; 769 free(virtual_lines); 770 virtual_lines = (int *) malloc(LINES * (sizeof(int))); 771 interrupt_flag = TRUE; 772 } 773 #endif /* SIGWINCH */ 774 775 void 776 initscr() /* initialize terminal for operations */ 777 { 778 int value; 779 int counter; 780 char *lines_string; 781 char *columns_string; 782 #ifdef CAP 783 char *pointer; 784 #endif /* CAP */ 785 786 #ifdef DIAG 787 printf("starting initscr \n");fflush(stdout); 788 #endif 789 if (initialized) 790 return; 791 #ifdef BSD_SELECT 792 setbuf(stdin, NULL); 793 #endif /* BSD_SELECT */ 794 Flip_Bytes = FALSE; 795 Parity = 0; 796 Time_Out = FALSE; 797 bufp = 0; 798 Move_It = FALSE; 799 Noblock = FALSE; 800 #ifdef SYS5 801 value = ioctl(0, TCGETA, &Terminal); 802 if (Terminal.c_cflag & PARENB) 803 { 804 if (Terminal.c_cflag & PARENB) 805 Parity = 1; 806 else 807 Parity = 2; 808 } 809 if ((Terminal.c_cflag & CS8) == CS8) 810 { 811 Num_bits = 8; 812 } 813 else if ((Terminal.c_cflag & CS7) == CS7) 814 Num_bits = 7; 815 else if ((Terminal.c_cflag & CS6) == CS6) 816 Num_bits = 6; 817 else 818 Num_bits = 5; 819 value = Terminal.c_cflag & 037; 820 switch (value) { 821 case 01: speed = 50.0; 822 break; 823 case 02: speed = 75.0; 824 break; 825 case 03: speed = 110.0; 826 break; 827 case 04: speed = 134.5; 828 break; 829 case 05: speed = 150.0; 830 break; 831 case 06: speed = 200.0; 832 break; 833 case 07: speed = 300.0; 834 break; 835 case 010: speed = 600.0; 836 break; 837 case 011: speed = 900.0; 838 break; 839 case 012: speed = 1200.0; 840 break; 841 case 013: speed = 1800.0; 842 break; 843 case 014: speed = 2400.0; 844 break; 845 case 015: speed = 3600.0; 846 break; 847 case 016: speed = 4800.0; 848 break; 849 case 017: speed = 7200.0; 850 break; 851 case 020: speed = 9600.0; 852 break; 853 case 021: speed = 19200.0; 854 break; 855 case 022: speed = 38400.0; 856 break; 857 default: speed = 0.0; 858 } 859 #else 860 value = ioctl(0, TIOCGETP, &Terminal); 861 if (Terminal.sg_flags & EVENP) 862 Parity = 2; 863 else if (Terminal.sg_flags & ODDP) 864 Parity = 1; 865 value = Terminal.sg_ospeed; 866 switch (value) { 867 case 01: speed = 50.0; 868 break; 869 case 02: speed = 75.0; 870 break; 871 case 03: speed = 110.0; 872 break; 873 case 04: speed = 134.5; 874 break; 875 case 05: speed = 150.0; 876 break; 877 case 06: speed = 200.0; 878 break; 879 case 07: speed = 300.0; 880 break; 881 case 010: speed = 600.0; 882 break; 883 case 011: speed = 1200.0; 884 break; 885 case 012: speed = 1800.0; 886 break; 887 case 013: speed = 2400.0; 888 break; 889 case 014: speed = 4800.0; 890 break; 891 case 015: speed = 9600.0; 892 break; 893 default: speed = 0.0; 894 } 895 #endif 896 chars_per_millisecond = (0.001 * speed) / 8.0; 897 TERMINAL_TYPE = getenv("TERM"); 898 if (TERMINAL_TYPE == NULL) 899 { 900 printf("unknown terminal type\n"); 901 exit(0); 902 } 903 #ifndef CAP 904 Fildes = -1; 905 TERM_PATH = getenv("TERMINFO"); 906 if (TERM_PATH != NULL) 907 { 908 Data_Line_len = 23 + strlen(TERM_PATH) + strlen(TERMINAL_TYPE); 909 Term_File_name = malloc(Data_Line_len); 910 sprintf(Term_File_name, "%s/%c/%s", TERM_PATH, *TERMINAL_TYPE, TERMINAL_TYPE); 911 Fildes = open(Term_File_name, O_RDONLY); 912 if (Fildes == -1) 913 { 914 sprintf(Term_File_name, "%s/%x/%s", TERM_PATH, *TERMINAL_TYPE, TERMINAL_TYPE); 915 Fildes = open(Term_File_name, O_RDONLY); 916 } 917 } 918 counter = 0; 919 while ((Fildes == -1) && (terminfo_path[counter] != NULL)) 920 { 921 TERM_PATH = terminfo_path[counter]; 922 Data_Line_len = 23 + strlen(TERM_PATH) + strlen(TERMINAL_TYPE); 923 Term_File_name = malloc(Data_Line_len); 924 sprintf(Term_File_name, "%s/%c/%s", TERM_PATH, *TERMINAL_TYPE, TERMINAL_TYPE); 925 Fildes = open(Term_File_name, O_RDONLY); 926 if (Fildes == -1) 927 { 928 sprintf(Term_File_name, "%s/%x/%s", TERM_PATH, *TERMINAL_TYPE, TERMINAL_TYPE); 929 Fildes = open(Term_File_name, O_RDONLY); 930 } 931 counter++; 932 } 933 if (Fildes == -1) 934 { 935 free(Term_File_name); 936 Term_File_name = NULL; 937 } 938 else 939 TERM_INFO = INFO_PARSE(); 940 #else 941 /* 942 | termcap information can be in the TERMCAP env variable, if so 943 | use that, otherwise check the /etc/termcap file 944 */ 945 if ((pointer = Term_File_name = getenv("TERMCAP")) != NULL) 946 { 947 if (*Term_File_name != '/') 948 Term_File_name = TERMCAP; 949 } 950 else 951 { 952 Term_File_name = TERMCAP; 953 } 954 if ((TFP = fopen(Term_File_name, "r")) == NULL) 955 { 956 printf("unable to open %s file \n", TERMCAP); 957 exit(0); 958 } 959 for (value = 0; value < 1024; value++) 960 String_table[value] = NULL; 961 for (value = 0; value < 128; value++) 962 Booleans[value] = 0; 963 for (value = 0; value < 128; value++) 964 Numbers[value] = 0; 965 Data_Line = malloc(512); 966 if (pointer && *pointer != '/') 967 { 968 TERM_data_ptr = pointer; 969 CAP_PARSE(); 970 } 971 else 972 { 973 Find_term(); 974 CAP_PARSE(); 975 } 976 #endif 977 if (String_table[pc__] == NULL) 978 String_table[pc__] = "\0"; 979 if ((String_table[cm__] == NULL) || (Booleans[hc__])) 980 { 981 fprintf(stderr, "sorry, unable to use this terminal type for screen editing\n"); 982 exit(0); 983 } 984 Key_Get(); 985 keys_vt100(); 986 LINES = Numbers[li__]; 987 COLS = Numbers[co__]; 988 if ((lines_string = getenv("LINES")) != NULL) 989 { 990 value = atoi(lines_string); 991 if (value > 0) 992 LINES = value; 993 } 994 if ((columns_string = getenv("COLUMNS")) != NULL) 995 { 996 value = atoi(columns_string); 997 if (value > 0) 998 COLS = value; 999 } 1000 #ifdef TIOCGWINSZ 1001 /* 1002 | get the window size 1003 */ 1004 if (ioctl(0, TIOCGWINSZ, &ws) >= 0) 1005 { 1006 if (ws.ws_row > 0) 1007 LINES = ws.ws_row; 1008 if (ws.ws_col > 0) 1009 COLS = ws.ws_col; 1010 } 1011 #endif 1012 virtual_scr = newwin(LINES, COLS, 0, 0); 1013 stdscr = newwin(LINES, COLS, 0, 0); 1014 curscr = newwin(LINES, COLS, 0, 0); 1015 wmove(stdscr, 0, 0); 1016 werase(stdscr); 1017 Repaint_screen = TRUE; 1018 initialized = TRUE; 1019 virtual_lines = (int *) malloc(LINES * (sizeof(int))); 1020 1021 #ifdef SIGWINCH 1022 /* 1023 | reset size of windows and LINES and COLS if term window 1024 | changes size 1025 */ 1026 signal(SIGWINCH, reinitscr); 1027 #endif /* SIGWINCH */ 1028 1029 /* 1030 | check if scrolling is available 1031 */ 1032 1033 nc_scrolling_ability = ((String_table[al__] != NULL) && 1034 (String_table[dl__])) || ((String_table[cs__]) 1035 && (String_table[sr__])); 1036 1037 } 1038 1039 #ifndef CAP 1040 int 1041 Get_int() /* get a two-byte integer from the terminfo file */ 1042 { 1043 int High_byte; 1044 int Low_byte; 1045 int temp; 1046 1047 Low_byte = *((unsigned char *) TERM_data_ptr++); 1048 High_byte = *((unsigned char *) TERM_data_ptr++); 1049 if (Flip_Bytes) 1050 { 1051 temp = Low_byte; 1052 Low_byte = High_byte; 1053 High_byte = temp; 1054 } 1055 if ((High_byte == 255) && (Low_byte == 255)) 1056 return (-1); 1057 else 1058 return(Low_byte + (High_byte * 256)); 1059 } 1060 1061 int 1062 INFO_PARSE() /* parse off the data in the terminfo data file */ 1063 { 1064 int offset; 1065 int magic_number = 0; 1066 int counter = 0; 1067 int Num_names = 0; 1068 int Num_bools = 0; 1069 int Num_ints = 0; 1070 int Num_strings = 0; 1071 int string_table_len = 0; 1072 char *temp_ptr; 1073 1074 TERM_data_ptr = Data_Line = malloc((10240 * (sizeof(char)))); 1075 Data_Line_len = read(Fildes, Data_Line, 10240); 1076 if ((Data_Line_len >= 10240) || (Data_Line_len < 0)) 1077 return(0); 1078 /* 1079 | get magic number 1080 */ 1081 magic_number = Get_int(); 1082 /* 1083 | if magic number not right, reverse byte order and check again 1084 */ 1085 if (magic_number != 282) 1086 { 1087 Flip_Bytes = TRUE; 1088 TERM_data_ptr--; 1089 TERM_data_ptr--; 1090 magic_number = Get_int(); 1091 if (magic_number != 282) 1092 return(0); 1093 } 1094 /* 1095 | get the number of each type in the terminfo data file 1096 */ 1097 Num_names = Get_int(); 1098 Num_bools = Get_int(); 1099 Num_ints = Get_int(); 1100 Num_strings = Get_int(); 1101 string_table_len = Get_int(); 1102 Strings = malloc(string_table_len); 1103 while (Num_names > 0) 1104 { 1105 TERM_data_ptr++; 1106 Num_names--; 1107 } 1108 counter = 0; 1109 while (Num_bools) 1110 { 1111 Num_bools--; 1112 Booleans[counter++] = *TERM_data_ptr++; 1113 } 1114 if ((unsigned long)TERM_data_ptr & 1) /* force alignment */ 1115 TERM_data_ptr++; 1116 counter = 0; 1117 while (Num_ints) 1118 { 1119 Num_ints--; 1120 Numbers[counter] = Get_int(); 1121 counter++; 1122 } 1123 temp_ptr = TERM_data_ptr + Num_strings + Num_strings; 1124 memcpy(Strings, temp_ptr, string_table_len); 1125 counter = bt__; 1126 while (Num_strings) 1127 { 1128 Num_strings--; 1129 if ((offset=Get_int()) != -1) 1130 { 1131 if (String_table[counter] == NULL) 1132 String_table[counter] = Strings + offset; 1133 } 1134 else 1135 String_table[counter] = NULL; 1136 counter++; 1137 } 1138 close(Fildes); 1139 free(Data_Line); 1140 return(TRUE); 1141 } 1142 #endif /* ifndef CAP */ 1143 1144 int 1145 AtoI() /* convert ascii text to integers */ 1146 { 1147 int Temp; 1148 1149 Temp = 0; 1150 while ((*TERM_data_ptr >= '0') && (*TERM_data_ptr <= '9')) 1151 { 1152 Temp = (Temp * 10) + (*TERM_data_ptr - '0'); 1153 TERM_data_ptr++; 1154 } 1155 return(Temp); 1156 } 1157 1158 void 1159 Key_Get() /* create linked list with all key sequences obtained from terminal database */ 1160 { 1161 int Counter; 1162 int Klen; 1163 int key_def; 1164 struct KEY_STACK *Spoint; 1165 1166 Max_Key_len = 0; 1167 Counter = 0; 1168 key_def = kb__; 1169 while (key_def <= kf63__) 1170 { 1171 if (key_def == ke__) 1172 key_def = K1__; 1173 else if (key_def == (K5__ + 1)) 1174 key_def = kcbt__; 1175 else if (key_def == (kcbt__ + 1)) 1176 key_def = kbeg__; 1177 else if (key_def == (kUND__ + 1)) 1178 key_def = kf11__; 1179 if (String_table[key_def] != NULL) 1180 { 1181 if (KEY_TOS == NULL) 1182 Spoint = KEY_TOS = (struct KEY_STACK *) malloc(sizeof(struct KEY_STACK)); 1183 else 1184 { 1185 Spoint = KEY_TOS; 1186 while (Spoint->next != NULL) 1187 Spoint = Spoint->next; 1188 Spoint->next = (struct KEY_STACK *) malloc(sizeof(struct KEY_STACK)); 1189 Spoint = Spoint->next; 1190 } 1191 Spoint->next = NULL; 1192 Spoint->element = (struct KEYS *) malloc(sizeof(struct KEYS)); 1193 Spoint->element->string = String_table[key_def]; 1194 Spoint->element->length = strlen(String_table[key_def]); 1195 Spoint->element->value = Key_vals[Counter]; 1196 Klen = strlen(Spoint->element->string); 1197 if (Klen > Max_Key_len) 1198 Max_Key_len = Klen; 1199 /* 1200 | Some terminal types accept keystrokes of the form 1201 | \E[A and \EOA, substituting '[' for 'O'. Make a 1202 | duplicate of such key strings (since the 1203 | database will only have one version) so new_curse 1204 | can understand both. 1205 */ 1206 if ((Spoint->element->length > 1) && 1207 ((String_table[key_def][1] == '[') || 1208 (String_table[key_def][1] == 'O'))) 1209 { 1210 Spoint->next = (struct KEY_STACK *) malloc(sizeof(struct KEY_STACK)); 1211 Spoint = Spoint->next; 1212 Spoint->next = NULL; 1213 Spoint->element = (struct KEYS *) malloc(sizeof(struct KEYS)); 1214 Spoint->element->length = strlen(String_table[key_def]); 1215 Spoint->element->string = malloc(Spoint->element->length + 1); 1216 strcpy(Spoint->element->string, String_table[key_def]); 1217 Spoint->element->value = Key_vals[Counter]; 1218 Klen = strlen(Spoint->element->string); 1219 if (Klen > Max_Key_len) 1220 Max_Key_len = Klen; 1221 1222 if (String_table[key_def][1] == '[') 1223 Spoint->element->string[1] = 'O'; 1224 else 1225 Spoint->element->string[1] = '['; 1226 } 1227 } 1228 key_def++; 1229 Counter++; 1230 } 1231 } 1232 1233 /* 1234 | insert information about keys for a vt100 terminal 1235 */ 1236 1237 void 1238 keys_vt100() 1239 { 1240 int counter; 1241 int Klen; 1242 struct KEY_STACK *Spoint; 1243 1244 Spoint = KEY_TOS; 1245 while (Spoint->next != NULL) 1246 Spoint = Spoint->next; 1247 for (counter = 0; vt100[counter].length != 0; counter++) 1248 { 1249 Spoint->next = (struct KEY_STACK *) malloc(sizeof(struct KEY_STACK)); 1250 Spoint = Spoint->next; 1251 Spoint->next = NULL; 1252 Spoint->element = &vt100[counter]; 1253 Klen = strlen(Spoint->element->string); 1254 if (Klen > Max_Key_len) 1255 Max_Key_len = Klen; 1256 } 1257 } 1258 1259 #ifdef CAP 1260 char * 1261 String_Get(param) /* read the string */ 1262 char *param; 1263 { 1264 char *String; 1265 char *Temp; 1266 int Counter; 1267 1268 if (param == NULL) 1269 { 1270 while (*TERM_data_ptr != '=') 1271 TERM_data_ptr++; 1272 Temp = ++TERM_data_ptr; 1273 Counter = 1; 1274 while ((*Temp != ':') && (*Temp != (char)NULL)) 1275 { 1276 Counter++; 1277 Temp++; 1278 } 1279 if (Counter == 1) /* no data */ 1280 return(NULL); 1281 String = Temp = malloc(Counter); 1282 while ((*TERM_data_ptr != ':') && (*TERM_data_ptr != (char)NULL)) 1283 { 1284 if (*TERM_data_ptr == '\\') 1285 { 1286 TERM_data_ptr++; 1287 if (*TERM_data_ptr == 'n') 1288 *Temp = '\n'; 1289 else if (*TERM_data_ptr == 't') 1290 *Temp = '\t'; 1291 else if (*TERM_data_ptr == 'b') 1292 *Temp = '\b'; 1293 else if (*TERM_data_ptr == 'r') 1294 *Temp = '\r'; 1295 else if (*TERM_data_ptr == 'f') 1296 *Temp = '\f'; 1297 else if ((*TERM_data_ptr == 'e') || (*TERM_data_ptr == 'E')) 1298 *Temp = '\033'; /* escape */ 1299 else if (*TERM_data_ptr == '\\') 1300 *Temp = '\\'; 1301 else if (*TERM_data_ptr == '\'') 1302 *Temp = '\''; 1303 else if ((*TERM_data_ptr >= '0') && (*TERM_data_ptr <= '9')) 1304 { 1305 Counter = 0; 1306 while ((*TERM_data_ptr >= '0') && (*TERM_data_ptr <= '9')) 1307 { 1308 Counter = (8 * Counter) + (*TERM_data_ptr - '0'); 1309 TERM_data_ptr++; /* ? */ 1310 } 1311 *Temp = Counter; 1312 TERM_data_ptr--; 1313 } 1314 TERM_data_ptr++; 1315 Temp++; 1316 } 1317 else if (*TERM_data_ptr == '^') 1318 { 1319 TERM_data_ptr++; 1320 if ((*TERM_data_ptr >= '@') && (*TERM_data_ptr <= '_')) 1321 *Temp = *TERM_data_ptr - '@'; 1322 else if (*TERM_data_ptr == '?') 1323 *Temp = 127; 1324 TERM_data_ptr++; 1325 Temp++; 1326 } 1327 else 1328 *Temp++ = *TERM_data_ptr++; 1329 } 1330 *Temp = (char)NULL; 1331 param = String; 1332 } 1333 else 1334 { 1335 while ((*TERM_data_ptr != (char)NULL) && (*TERM_data_ptr != ':')) 1336 TERM_data_ptr++; 1337 } 1338 return(param); 1339 } 1340 1341 int 1342 tc_Get_int(param) /* read the integer */ 1343 int param; 1344 { 1345 int Itemp; 1346 1347 if (param == 0) 1348 { 1349 while ((*TERM_data_ptr != (char)NULL) && (*TERM_data_ptr != '#')) 1350 TERM_data_ptr++; 1351 TERM_data_ptr++; 1352 Itemp = AtoI(); 1353 param = Itemp; 1354 } 1355 else 1356 { 1357 while (*TERM_data_ptr != ':') 1358 TERM_data_ptr++; 1359 } 1360 return(param); 1361 } 1362 1363 void 1364 Find_term() /* find terminal description in termcap file */ 1365 { 1366 char *Name; 1367 char *Ftemp; 1368 1369 Ftemp = Name = malloc(strlen(TERMINAL_TYPE) + 2); 1370 strcpy(Name, TERMINAL_TYPE); 1371 while (*Ftemp != (char)NULL) 1372 Ftemp++; 1373 *Ftemp++ = '|'; 1374 *Ftemp = (char)NULL; 1375 CFOUND = FALSE; 1376 Data_Line_len = strlen(TERMINAL_TYPE) + 1; 1377 while ((!CFOUND) && ((TERM_data_ptr=fgets(Data_Line, 512, TFP)) != NULL)) 1378 { 1379 if ((*TERM_data_ptr != ' ') && (*TERM_data_ptr != '\t') && (*TERM_data_ptr != '#')) 1380 { 1381 while ((!CFOUND) && (*TERM_data_ptr != (char)NULL)) 1382 { 1383 CFOUND = !strncmp(TERM_data_ptr, Name, Data_Line_len); 1384 while ((*TERM_data_ptr != (char)NULL) && (*TERM_data_ptr != '|') && (*TERM_data_ptr != '#') && (*TERM_data_ptr != ':')) 1385 TERM_data_ptr++; 1386 if (*TERM_data_ptr == '|') 1387 TERM_data_ptr++; 1388 else if (!CFOUND) 1389 *TERM_data_ptr = (char)NULL; 1390 } 1391 } 1392 } 1393 if (!CFOUND) 1394 { 1395 printf("terminal type %s not found\n", TERMINAL_TYPE); 1396 exit(0); 1397 } 1398 } 1399 1400 void 1401 CAP_PARSE() /* parse off the data in the termcap data file */ 1402 { 1403 int offset; 1404 int found; 1405 1406 do 1407 { 1408 while (*TERM_data_ptr != (char)NULL) 1409 { 1410 for (found = FALSE, offset = 0; (!found) && (offset < 26); offset++) 1411 { 1412 if (!strncmp(TERM_data_ptr, Boolean_names[offset], 2)) 1413 { 1414 found = TRUE; 1415 Booleans[offset] = TRUE; 1416 } 1417 } 1418 if (!found) 1419 { 1420 for (found = FALSE, offset = 0; (!found) && (offset < lw__); offset++) 1421 { 1422 if (!strncmp(TERM_data_ptr, Number_names[offset], 3)) 1423 { 1424 found = TRUE; 1425 Numbers[offset] = tc_Get_int(Numbers[offset]); 1426 } 1427 } 1428 } 1429 if (!found) 1430 { 1431 for (found = FALSE, offset = 0; (!found) && (offset < smgr__); offset++) 1432 { 1433 if (!strncmp(TERM_data_ptr, String_names[offset], 3)) 1434 { 1435 found = TRUE; 1436 String_table[offset] = String_Get(String_table[offset]); 1437 } 1438 } 1439 } 1440 1441 if (!strncmp(TERM_data_ptr, "tc=", 3)) 1442 tc_ = String_Get(NULL); 1443 while ((*TERM_data_ptr != ':') && (*TERM_data_ptr != (char)NULL)) 1444 TERM_data_ptr++; 1445 if (*TERM_data_ptr == ':') 1446 TERM_data_ptr++; 1447 } 1448 } while (((TERM_data_ptr = fgets(Data_Line, 512, TFP)) != NULL) && ((*TERM_data_ptr == ' ') || (*TERM_data_ptr == '\t'))); 1449 if (tc_ != NULL) 1450 { 1451 TERMINAL_TYPE = tc_; 1452 rewind(TFP); 1453 Find_term(); 1454 tc_ = NULL; 1455 CAP_PARSE(); 1456 } 1457 else 1458 fclose(TFP); 1459 } 1460 #endif /* ifdef CAP */ 1461 1462 struct _line * 1463 Screenalloc(columns) 1464 int columns; 1465 { 1466 int i; 1467 struct _line *tmp; 1468 1469 tmp = (struct _line *) malloc(sizeof (struct _line)); 1470 tmp->row = malloc(columns + 1); 1471 tmp->attributes = malloc(columns + 1); 1472 tmp->prev_screen = NULL; 1473 tmp->next_screen = NULL; 1474 for (i = 0; i < columns; i++) 1475 { 1476 tmp->row[i] = ' '; 1477 tmp->attributes[i] = '\0'; 1478 } 1479 tmp->scroll = tmp->changed = FALSE; 1480 tmp->row[0] = '\0'; 1481 tmp->attributes[0] = '\0'; 1482 tmp->row[columns] = '\0'; 1483 tmp->attributes[columns] = '\0'; 1484 tmp->last_char = 0; 1485 return(tmp); 1486 } 1487 1488 WINDOW *newwin(lines, cols, start_l, start_c) 1489 int lines, cols; /* number of lines and columns to be in window */ 1490 int start_l, start_c; /* starting line and column to be inwindow */ 1491 { 1492 WINDOW *Ntemp; 1493 struct _line *temp_screen; 1494 int i; 1495 1496 Ntemp = (WINDOW *) malloc(sizeof(WINDOW)); 1497 Ntemp->SR = start_l; 1498 Ntemp->SC = start_c; 1499 Ntemp->Num_lines = lines; 1500 Ntemp->Num_cols = cols; 1501 Ntemp->LX = 0; 1502 Ntemp->LY = 0; 1503 Ntemp->scroll_down = Ntemp->scroll_up = 0; 1504 Ntemp->SCROLL_CLEAR = FALSE; 1505 Ntemp->Attrib = FALSE; 1506 Ntemp->first_line = temp_screen = Screenalloc(cols); 1507 Ntemp->first_line->number = 0; 1508 Ntemp->line_array = (struct _line **) malloc(LINES * sizeof(struct _line *)); 1509 1510 Ntemp->line_array[0] = Ntemp->first_line; 1511 1512 for (i = 1; i < lines; i++) 1513 { 1514 temp_screen->next_screen = Screenalloc(cols); 1515 temp_screen->next_screen->number = i; 1516 temp_screen->next_screen->prev_screen = temp_screen; 1517 temp_screen = temp_screen->next_screen; 1518 Ntemp->line_array[i] = temp_screen; 1519 } 1520 Ntemp->first_line->prev_screen = NULL; 1521 temp_screen->next_screen = NULL; 1522 return(Ntemp); 1523 } 1524 1525 #ifdef CAP 1526 void 1527 Cap_Out(string, p_list, place) /* interpret the output string if necessary */ 1528 char *string; 1529 int p_list[]; /* stack of values */ 1530 int place; /* place keeper of top of stack */ 1531 { 1532 char *Otemp; /* temporary string pointer to parse output */ 1533 int delay; 1534 int p1, p2, temp; 1535 float chars; 1536 1537 if (string == NULL) 1538 return; 1539 1540 if (p_list != NULL) 1541 { 1542 p1 = p_list[--place]; 1543 p2 = p_list[--place]; 1544 } 1545 delay = 0; 1546 Otemp = string; 1547 if ((*Otemp >= '0') && (*Otemp <= '9')) 1548 { 1549 delay = atoi(Otemp); 1550 while ((*Otemp >= '0') && (*Otemp <= '9')) 1551 Otemp++; 1552 if (*Otemp == '*') 1553 Otemp++; 1554 } 1555 while (*Otemp != (char)NULL) 1556 { 1557 if (*Otemp == '%') 1558 { 1559 Otemp++; 1560 if ((*Otemp == 'd') || (*Otemp == '2') || (*Otemp == '3') || (*Otemp == '.') || (*Otemp == '+')) 1561 { 1562 if (*Otemp == 'd') 1563 printf("%d", p1); 1564 else if (*Otemp == '2') 1565 printf("%02d", p1); 1566 else if (*Otemp == '3') 1567 printf("%03d", p1); 1568 else if (*Otemp == '+') 1569 { 1570 Otemp++; 1571 p1 += *Otemp; 1572 putchar(p1); 1573 } 1574 else if (*Otemp == '.') 1575 putchar(p1); 1576 p1 = p2; 1577 p2 = 0; 1578 } 1579 else if (*Otemp == '>') 1580 { 1581 Otemp++; 1582 if (p1 > *Otemp) 1583 { 1584 Otemp++; 1585 p1 += *Otemp; 1586 } 1587 else 1588 Otemp++; 1589 } 1590 else if (*Otemp == 'r') 1591 { 1592 temp = p1; 1593 p1 = p2; 1594 p2 = temp; 1595 } 1596 else if (*Otemp == 'i') 1597 { 1598 p1++; 1599 p2++; 1600 } 1601 else if (*Otemp == '%') 1602 putchar(*Otemp); 1603 else if (*Otemp == 'n') 1604 { 1605 p1 ^= 0140; 1606 p2 ^= 0140; 1607 } 1608 else if (*Otemp == 'B') 1609 { 1610 p1 = (16 * (p1/10)) + (p1 % 10); 1611 p2 = (16 * (p2/10)) + (p2 % 10); 1612 } 1613 else if (*Otemp == 'D') 1614 { 1615 p1 = (p1 - 2 * (p1 % 16)); 1616 p2 = (p2 - 2 * (p2 % 16)); 1617 } 1618 } 1619 else 1620 putchar (*Otemp); 1621 Otemp++; 1622 } 1623 if (delay != 0) 1624 { 1625 chars = delay * chars_per_millisecond; 1626 delay = chars; 1627 if ((chars - delay) > 0.0) 1628 delay++; 1629 for (; delay > 0; delay--) 1630 putchar(*String_table[pc__]); 1631 } 1632 fflush(stdout); 1633 } 1634 1635 #else 1636 1637 char *Otemp; /* temporary string pointer to parse output */ 1638 float chars; 1639 int p[10]; 1640 int variable[27]; 1641 1642 int 1643 Operation(Temp_Stack, place) /* handle conditional operations */ 1644 int Temp_Stack[]; 1645 int place; 1646 { 1647 int temp; 1648 1649 if (*Otemp == 'd') 1650 { 1651 Otemp++; 1652 temp = Temp_Stack[--place]; 1653 printf("%d", temp); 1654 } 1655 else if (!strncmp(Otemp, "2d", 2)) 1656 { 1657 temp = Temp_Stack[--place]; 1658 printf("%2d", temp); 1659 Otemp++; 1660 Otemp++; 1661 } 1662 else if (!strncmp(Otemp, "3d", 2)) 1663 { 1664 temp = Temp_Stack[--place]; 1665 printf("%0d", temp); 1666 Otemp++; 1667 Otemp++; 1668 } 1669 else if (!strncmp(Otemp, "02d", 3)) 1670 { 1671 temp = Temp_Stack[--place]; 1672 printf("%02d", temp); 1673 Otemp++; 1674 Otemp++; 1675 Otemp++; 1676 } 1677 else if (!strncmp(Otemp, "03d", 3)) 1678 { 1679 temp = Temp_Stack[--place]; 1680 printf("%03d", temp); 1681 Otemp++; 1682 Otemp++; 1683 Otemp++; 1684 } 1685 else if (*Otemp == '+') 1686 { 1687 Otemp++; 1688 temp = Temp_Stack[--place]; 1689 temp += Temp_Stack[--place]; 1690 Temp_Stack[place++] = temp; 1691 } 1692 else if (*Otemp == '-') 1693 { 1694 Otemp++; 1695 temp = Temp_Stack[--place]; 1696 temp -= Temp_Stack[--place]; 1697 Temp_Stack[place++] = temp; 1698 } 1699 else if (*Otemp == '*') 1700 { 1701 Otemp++; 1702 temp = Temp_Stack[--place]; 1703 temp *= Temp_Stack[--place]; 1704 Temp_Stack[place++] = temp; 1705 } 1706 else if (*Otemp == '/') 1707 { 1708 Otemp++; 1709 temp = Temp_Stack[--place]; 1710 temp /= Temp_Stack[--place]; 1711 Temp_Stack[place++] = temp; 1712 } 1713 else if (*Otemp == 'm') 1714 { 1715 Otemp++; 1716 temp = Temp_Stack[--place]; 1717 temp %= Temp_Stack[--place]; 1718 Temp_Stack[place++] = temp; 1719 } 1720 else if (*Otemp == '&') 1721 { 1722 Otemp++; 1723 temp = Temp_Stack[--place]; 1724 temp &= Temp_Stack[--place]; 1725 Temp_Stack[place++] = temp; 1726 } 1727 else if (*Otemp == '|') 1728 { 1729 Otemp++; 1730 temp = Temp_Stack[--place]; 1731 temp |= Temp_Stack[--place]; 1732 Temp_Stack[place++] = temp; 1733 } 1734 else if (*Otemp == '^') 1735 { 1736 Otemp++; 1737 temp = Temp_Stack[--place]; 1738 temp ^= Temp_Stack[--place]; 1739 Temp_Stack[place++] = temp; 1740 } 1741 else if (*Otemp == '=') 1742 { 1743 Otemp++; 1744 temp = Temp_Stack[--place]; 1745 temp = (temp == Temp_Stack[--place]); 1746 Temp_Stack[place++] = temp; 1747 } 1748 else if (*Otemp == '>') 1749 { 1750 Otemp++; 1751 temp = Temp_Stack[--place]; 1752 temp = temp > Temp_Stack[--place]; 1753 Temp_Stack[place++] = temp; 1754 } 1755 else if (*Otemp == '<') 1756 { 1757 Otemp++; 1758 temp = Temp_Stack[--place]; 1759 temp = temp < Temp_Stack[--place]; 1760 Temp_Stack[place++] = temp; 1761 } 1762 else if (*Otemp == 'c') 1763 { 1764 Otemp++; 1765 putchar(Temp_Stack[--place]); 1766 } 1767 else if (*Otemp == 'i') 1768 { 1769 Otemp++; 1770 p[1]++; 1771 p[2]++; 1772 } 1773 else if (*Otemp == '%') 1774 { 1775 putchar(*Otemp); 1776 Otemp++; 1777 } 1778 else if (*Otemp == '!') 1779 { 1780 temp = ! Temp_Stack[--place]; 1781 Temp_Stack[place++] = temp; 1782 Otemp++; 1783 } 1784 else if (*Otemp == '~') 1785 { 1786 temp = ~Temp_Stack[--place]; 1787 Temp_Stack[place++] = temp; 1788 Otemp++; 1789 } 1790 else if (*Otemp == 'p') 1791 { 1792 Otemp++; 1793 Temp_Stack[place++] = p[*Otemp - '0']; 1794 Otemp++; 1795 } 1796 else if (*Otemp == 'P') 1797 { 1798 Otemp++; 1799 Temp_Stack[place++] = variable[*Otemp - 'a']; 1800 Otemp++; 1801 } 1802 else if (*Otemp == 'g') 1803 { 1804 Otemp++; 1805 variable[*Otemp - 'a'] = Temp_Stack[--place]; 1806 Otemp++; 1807 } 1808 else if (*Otemp == '\'') 1809 { 1810 Otemp++; 1811 Temp_Stack[place++] = *Otemp; 1812 Otemp++; 1813 Otemp++; 1814 } 1815 else if (*Otemp == '{') 1816 { 1817 Otemp++; 1818 temp = atoi(Otemp); 1819 Temp_Stack[place++] = temp; 1820 while (*Otemp != '}') 1821 Otemp++; 1822 Otemp++; 1823 } 1824 return(place); 1825 } 1826 1827 void 1828 Info_Out(string, p_list, place) /* interpret the output string if necessary */ 1829 char *string; 1830 int p_list[]; 1831 int place; 1832 { 1833 char *tchar; 1834 int delay; 1835 int temp; 1836 int Cond_FLAG; 1837 int EVAL; 1838 int Cond_Stack[128]; 1839 int Cond_place; 1840 int Stack[128]; 1841 int Top_of_stack; 1842 1843 if (string == NULL) 1844 return; 1845 1846 Cond_FLAG = FALSE; 1847 Cond_place = 0; 1848 Top_of_stack = 0; 1849 p[0] = 0; 1850 p[1] = 0; 1851 p[2] = 0; 1852 p[3] = 0; 1853 p[4] = 0; 1854 p[5] = 0; 1855 p[6] = 0; 1856 p[7] = 0; 1857 p[8] = 0; 1858 p[9] = 0; 1859 if (p_list != NULL) 1860 { 1861 for (temp = 1; (place != 0); temp++) 1862 { 1863 p[temp] = p_list[--place]; 1864 } 1865 } 1866 delay = 0; 1867 Otemp = string; 1868 while (*Otemp != '\0') 1869 { 1870 if (*Otemp == '%') 1871 { 1872 Otemp++; 1873 if ((*Otemp == '?') || (*Otemp == 't') || (*Otemp == 'e') || (*Otemp == ';')) 1874 { 1875 if (*Otemp == '?') 1876 { 1877 Otemp++; 1878 Cond_FLAG = TRUE; 1879 EVAL = TRUE; 1880 while (EVAL) 1881 { 1882 /* 1883 | find the end of the 1884 | conditional statement 1885 */ 1886 while ((strncmp(Otemp, "%t", 2)) && (*Otemp != '\0')) 1887 { 1888 /* 1889 | move past '%' 1890 */ 1891 Otemp++; 1892 Cond_place = Operation(Cond_Stack, Cond_place); 1893 } 1894 1895 /* 1896 | if condition is true 1897 */ 1898 if ((Cond_place > 0) && (Cond_Stack[Cond_place-1])) 1899 { 1900 /* 1901 | end conditional 1902 | parsing 1903 */ 1904 EVAL = FALSE; 1905 Otemp++; 1906 Otemp++; 1907 } 1908 else /* condition is false */ 1909 { 1910 /* 1911 | find 'else' or end 1912 | of if statement 1913 */ 1914 while ((strncmp(Otemp, "%e", 2)) && (strncmp(Otemp, "%;", 2)) && (*Otemp != '\0')) 1915 Otemp++; 1916 /* 1917 | if an 'else' found 1918 */ 1919 if ((*Otemp != '\0') && (!strncmp(Otemp, "%e", 2))) 1920 { 1921 Otemp++; 1922 Otemp++; 1923 tchar = Otemp; 1924 /* 1925 | check for 'then' part 1926 */ 1927 while ((*tchar != '\0') && (strncmp(tchar, "%t", 2)) && (strncmp(tchar, "%;", 2))) 1928 tchar++; 1929 /* 1930 | if end of string 1931 */ 1932 if (*tchar == '\0') 1933 { 1934 EVAL = FALSE; 1935 Cond_FLAG = FALSE; 1936 Otemp = tchar; 1937 } 1938 /* 1939 | if end of if found, 1940 | set up to parse 1941 | info 1942 */ 1943 else if (!strncmp(tchar, "%;", 2)) 1944 EVAL = FALSE; 1945 /* 1946 | otherwise, check 1947 | conditional in 1948 | 'else' 1949 */ 1950 } 1951 /* 1952 | if end of if found, 1953 | get out of if 1954 | statement 1955 */ 1956 else if ((*Otemp != '\0') && (!strncmp(Otemp, "%;", 2))) 1957 { 1958 EVAL = FALSE; 1959 Otemp++; 1960 Otemp++; 1961 } 1962 else /* Otemp == NULL */ 1963 { 1964 EVAL = FALSE; 1965 Cond_FLAG = FALSE; 1966 } 1967 } 1968 } 1969 } 1970 else 1971 { 1972 Otemp++; 1973 Cond_FLAG = FALSE; 1974 if (*Otemp != ';') 1975 { 1976 while ((*Otemp != '\0') && (strncmp(Otemp, "%;", 2))) 1977 Otemp++; 1978 if (*Otemp != '\0') 1979 { 1980 Otemp++; 1981 Otemp++; 1982 } 1983 } 1984 else 1985 Otemp++; 1986 } 1987 } 1988 else 1989 { 1990 Top_of_stack = Operation(Stack, Top_of_stack); 1991 } 1992 } 1993 else if (!strncmp(Otemp, "$<", 2)) 1994 { 1995 Otemp++; 1996 Otemp++; 1997 delay = atoi(Otemp); 1998 while (*Otemp != '>') 1999 Otemp++; 2000 Otemp++; 2001 chars = delay * chars_per_millisecond; 2002 delay = chars; 2003 if ((chars - delay) > 0.0) 2004 delay++; 2005 if (String_table[pc__] == NULL) 2006 temp = 0; 2007 else 2008 temp = *String_table[pc__]; 2009 for (; delay > 0; delay--) 2010 putc(temp, stdout); 2011 } 2012 else 2013 { 2014 putchar(*Otemp); 2015 Otemp++; 2016 } 2017 } 2018 fflush(stdout); 2019 } 2020 #endif 2021 2022 void 2023 wmove(window, row, column) /* move cursor to indicated position in window */ 2024 WINDOW *window; 2025 int row, column; 2026 { 2027 if ((row < window->Num_lines) && (column < window->Num_cols)) 2028 { 2029 window->LX = column; 2030 window->LY = row; 2031 } 2032 } 2033 2034 void 2035 clear_line(line, column, cols) 2036 struct _line *line; 2037 int column; 2038 int cols; 2039 { 2040 int j; 2041 2042 if (column > line->last_char) 2043 { 2044 for (j = line->last_char; j < column; j++) 2045 { 2046 line->row[j] = ' '; 2047 line->attributes[j] = '\0'; 2048 } 2049 } 2050 line->last_char = column; 2051 line->row[column] = '\0'; 2052 line->attributes[column] = '\0'; 2053 line->changed = TRUE; 2054 } 2055 2056 void 2057 werase(window) /* clear the specified window */ 2058 WINDOW *window; 2059 { 2060 int i; 2061 struct _line *tmp; 2062 2063 window->SCROLL_CLEAR = CLEAR; 2064 window->scroll_up = window->scroll_down = 0; 2065 for (i = 0, tmp = window->first_line; i < window->Num_lines; i++, tmp = tmp->next_screen) 2066 clear_line(tmp, 0, window->Num_cols); 2067 } 2068 2069 void 2070 wclrtoeol(window) /* erase from current cursor position to end of line */ 2071 WINDOW *window; 2072 { 2073 int column, row; 2074 struct _line *tmp; 2075 2076 window->SCROLL_CLEAR = CHANGE; 2077 column = window->LX; 2078 row = window->LY; 2079 for (row = 0, tmp = window->first_line; row < window->LY; row++) 2080 tmp = tmp->next_screen; 2081 clear_line(tmp, column, window->Num_cols); 2082 } 2083 2084 void 2085 wrefresh(window) /* flush all previous output */ 2086 WINDOW *window; 2087 { 2088 wnoutrefresh(window); 2089 #ifdef DIAG 2090 { 2091 struct _line *temp; 2092 int value; 2093 fprintf(stderr, "columns=%d, lines=%d, SC=%d, SR=%d\n",window->Num_cols, window->Num_lines, window->SC, window->SR); 2094 for (value = 0, temp = window->first_line; value < window->Num_lines; value++, temp = temp->next_screen) 2095 { 2096 if (temp->number == -1) 2097 fprintf(stderr, "line moved "); 2098 if (temp->scroll) 2099 fprintf(stderr, "scroll_x is set: "); 2100 fprintf(stderr, "lc%d=%s|\n", temp->last_char, temp->row); 2101 } 2102 fprintf(stderr, "+-------------------- virtual screen ----------------------------------------+\n"); 2103 fprintf(stderr, "columns=%d, lines=%d \n",virtual_scr->Num_cols, virtual_scr->Num_lines); 2104 for (value = 0, temp = virtual_scr->first_line; value < virtual_scr->Num_lines; value++, temp = temp->next_screen) 2105 { 2106 if (temp->number == -1) 2107 fprintf(stderr, "line moved "); 2108 if (temp->scroll) 2109 fprintf(stderr, "scroll_x is set: "); 2110 fprintf(stderr, "lc%d=%s|\n", temp->last_char, temp->row); 2111 } 2112 fprintf(stderr, "columns=%d, lines=%d \n",curscr->Num_cols, curscr->Num_lines); 2113 for (value = 0, temp = curscr->first_line; value < curscr->Num_lines; value++, temp = temp->next_screen) 2114 fprintf(stderr, "line=%s|\n", temp->row); 2115 } 2116 #endif 2117 doupdate(); 2118 virtual_scr->SCROLL_CLEAR = FALSE; 2119 virtual_scr->scroll_down = virtual_scr->scroll_up = 0; 2120 fflush(stdout); 2121 } 2122 2123 void 2124 touchwin(window) 2125 WINDOW *window; 2126 { 2127 struct _line *user_line; 2128 int line_counter = 0; 2129 2130 for (line_counter = 0, user_line = window->first_line; 2131 line_counter < window->Num_lines; line_counter++) 2132 { 2133 user_line->changed = TRUE; 2134 } 2135 window->SCROLL_CLEAR = TRUE; 2136 } 2137 2138 void 2139 wnoutrefresh(window) 2140 WINDOW *window; 2141 { 2142 struct _line *user_line; 2143 struct _line *virtual_line; 2144 int line_counter = 0; 2145 int user_col = 0; 2146 int virt_col = 0; 2147 2148 if (window->SR >= virtual_scr->Num_lines) 2149 return; 2150 user_line = window->first_line; 2151 virtual_line = virtual_scr->first_line; 2152 virtual_scr->SCROLL_CLEAR = window->SCROLL_CLEAR; 2153 virtual_scr->LX = window->LX + window->SC; 2154 virtual_scr->LY = window->LY + window->SR; 2155 virtual_scr->scroll_up = window->scroll_up; 2156 virtual_scr->scroll_down = window->scroll_down; 2157 if ((last_window_refreshed == window) && (!window->SCROLL_CLEAR)) 2158 return; 2159 for (line_counter = 0; line_counter < window->SR; line_counter++) 2160 { 2161 virtual_line = virtual_line->next_screen; 2162 } 2163 for (line_counter = 0; (line_counter < window->Num_lines) 2164 && ((line_counter + window->SR) < virtual_scr->Num_lines); 2165 line_counter++) 2166 { 2167 if ((last_window_refreshed != window) || (user_line->changed) || ((SCROLL | CLEAR) & window->SCROLL_CLEAR)) 2168 { 2169 for (user_col = 0, virt_col = window->SC; 2170 (virt_col < virtual_scr->Num_cols) 2171 && (user_col < user_line->last_char); 2172 virt_col++, user_col++) 2173 { 2174 virtual_line->row[virt_col] = user_line->row[user_col]; 2175 virtual_line->attributes[virt_col] = user_line->attributes[user_col]; 2176 } 2177 for (user_col = user_line->last_char, 2178 virt_col = window->SC + user_line->last_char; 2179 (virt_col < virtual_scr->Num_cols) 2180 && (user_col < window->Num_cols); 2181 virt_col++, user_col++) 2182 { 2183 virtual_line->row[virt_col] = ' '; 2184 virtual_line->attributes[virt_col] = '\0'; 2185 } 2186 } 2187 if (virtual_scr->Num_cols != window->Num_cols) 2188 { 2189 if (virtual_line->last_char < (user_line->last_char + window->SC)) 2190 { 2191 if (virtual_line->row[virtual_line->last_char] == '\0') 2192 virtual_line->row[virtual_line->last_char] = ' '; 2193 virtual_line->last_char = 2194 min(virtual_scr->Num_cols, 2195 (user_line->last_char + window->SC)); 2196 } 2197 } 2198 else 2199 virtual_line->last_char = user_line->last_char; 2200 virtual_line->row[virtual_line->last_char] = '\0'; 2201 virtual_line->changed = user_line->changed; 2202 virtual_line = virtual_line->next_screen; 2203 user_line = user_line->next_screen; 2204 } 2205 window->SCROLL_CLEAR = FALSE; 2206 window->scroll_up = window->scroll_down = 0; 2207 last_window_refreshed = window; 2208 } 2209 2210 void 2211 flushinp() /* flush input */ 2212 { 2213 } 2214 2215 void 2216 ungetch(c) /* push a character back on input */ 2217 int c; 2218 { 2219 if (bufp < 100) 2220 in_buff[bufp++] = c; 2221 } 2222 2223 #ifdef BSD_SELECT 2224 int 2225 timed_getchar() 2226 { 2227 struct timeval tv; 2228 fd_set fds; 2229 int ret_val; 2230 int nfds = 1; 2231 char temp; 2232 2233 FD_ZERO(&fds); 2234 tv.tv_sec = 0; 2235 tv.tv_usec = 500000; /* half a second */ 2236 FD_SET(0, &fds); 2237 Time_Out = FALSE; /* just in case */ 2238 2239 ret_val = select(nfds, &fds, 0, 0, &tv); 2240 2241 /* 2242 | if ret_val is less than zero, there was no input 2243 | otherwise, get a character and return it 2244 */ 2245 2246 if (ret_val <= 0) 2247 { 2248 Time_Out = TRUE; 2249 return(-1); 2250 } 2251 2252 return(read(0, &temp, 1)? temp : -1); 2253 } 2254 #endif 2255 2256 int 2257 wgetch(window) /* get character from specified window */ 2258 WINDOW *window; 2259 { 2260 int in_value; 2261 char temp; 2262 #ifndef SYS5 2263 int old_arg; 2264 #endif /* SYS5 */ 2265 2266 #ifdef BSD_SELECT 2267 if (Noblock) 2268 in_value = ((bufp > 0) ? in_buff[--bufp] : timed_getchar()); 2269 else 2270 in_value = ((bufp > 0) ? in_buff[--bufp] : read(0, &temp, 1)? temp : -1); 2271 #else /* BSD_SELECT */ 2272 #ifdef SYS5 2273 in_value = ((bufp > 0) ? in_buff[--bufp] : 2274 (read(0, &temp, 1)> 0) ? temp : -1); 2275 #else /* SYS5 */ 2276 if (Noblock) 2277 { 2278 Time_Out = FALSE; 2279 old_arg = fcntl(0, F_GETFL, 0); 2280 in_value = fcntl(0, F_SETFL, old_arg | FNDELAY); 2281 } 2282 in_value = ((bufp > 0) ? in_buff[--bufp] : read(0, &temp, 1)? temp : -1); 2283 if (Noblock) 2284 { 2285 fcntl(0, F_SETFL, old_arg); 2286 if (Time_Out) 2287 in_value = -1; 2288 } 2289 #endif /* SYS5 */ 2290 #endif /* BSD_SELECT */ 2291 2292 if (in_value != -1) 2293 { 2294 in_value &= 0xff; 2295 if ((Parity) && (Num_bits < 8)) 2296 /* strip eighth bit if parity in use */ 2297 in_value &= 0177; 2298 } 2299 else if (interrupt_flag) 2300 { 2301 interrupt_flag = FALSE; 2302 in_value = wgetch(window); 2303 } 2304 2305 if ((in_value == '\033') || (in_value == '\037'))/* escape character */ 2306 in_value = Get_key(in_value); 2307 return(in_value); 2308 } 2309 2310 #ifndef BSD_SELECT 2311 void 2312 Clear(arg) /* notify that time out has occurred */ 2313 int arg; 2314 { 2315 Time_Out = TRUE; 2316 #ifdef DEBUG 2317 fprintf(stderr, "inside Clear()\n"); 2318 fflush(stderr); 2319 #endif /* DEBUG */ 2320 } 2321 #endif /* BSD_SELECT */ 2322 2323 int 2324 Get_key(first_char) /* try to decode key sequence */ 2325 int first_char; /* first character of sequence */ 2326 { 2327 int in_char; 2328 int Count; 2329 char string[128]; 2330 char *Gtemp; 2331 int Found; 2332 #ifdef SYS5 2333 struct termio Gterminal; 2334 #else 2335 struct sgttyb Gterminal; 2336 #endif 2337 struct KEY_STACK *St_point; 2338 #if (!defined( BSD_SELECT)) || (!defined(SYS5)) 2339 int value; 2340 #endif /* BSD_SELECT */ 2341 2342 Count = 0; 2343 Gtemp = string; 2344 string[Count++] = first_char; 2345 string[Count] = '\0'; 2346 Time_Out = FALSE; 2347 #ifndef BSD_SELECT 2348 signal(SIGALRM, Clear); 2349 value = alarm(1); 2350 #endif /* BSD_SELECT */ 2351 Noblock = TRUE; 2352 #ifdef SYS5 2353 Gterminal.c_cc[VTIME] = 0; /* timeout value */ 2354 Gterminal.c_lflag &= ~ICANON; /* disable canonical operation */ 2355 Gterminal.c_lflag &= ~ECHO; /* disable echo */ 2356 #endif 2357 Count = 1; 2358 Found = FALSE; 2359 while ((Count < Max_Key_len) && (!Time_Out) && (!Found)) 2360 { 2361 in_char = wgetch(stdscr); 2362 #ifdef DEBUG 2363 fprintf(stderr, "back in GetKey()\n"); 2364 fflush(stderr); 2365 #endif /* DEBUG */ 2366 if (in_char != -1) 2367 { 2368 string[Count++] = in_char; 2369 string[Count] = '\0'; 2370 St_point = KEY_TOS; 2371 while ((St_point != NULL) && (!Found)) 2372 { 2373 if (!strcmp(string, St_point->element->string)) 2374 Found = TRUE; 2375 else 2376 St_point = St_point->next; 2377 } 2378 } 2379 } 2380 #ifndef BSD_SELECT 2381 if (!Time_Out) 2382 value = alarm(0); 2383 #endif /* BSD_SELECT */ 2384 #ifdef SYS5 2385 /* value = ioctl(0, TCSETA, &Terminal);*/ 2386 #else 2387 value = ioctl(0, TIOCSETP, &Terminal); 2388 /* value = fcntl(0, F_SETFL, old_arg);*/ 2389 #endif 2390 Noblock = FALSE; 2391 if (Found) 2392 { 2393 return(St_point->element->value); 2394 } 2395 else 2396 { 2397 while (Count > 1) 2398 { 2399 if ((string[--Count] != -1) && 2400 ((unsigned char) (string[Count]) != 255)) 2401 { 2402 #ifdef DIAG 2403 fprintf(stderr, "ungetting character %d\n", string[Count]);fflush(stdout); 2404 #endif 2405 ungetch(string[Count]); 2406 } 2407 } 2408 return(first_char); 2409 } 2410 } 2411 2412 void 2413 waddch(window, c) /* output the character in the specified window */ 2414 WINDOW *window; 2415 int c; 2416 { 2417 int column, j; 2418 int shift; /* number of spaces to shift if a tab */ 2419 struct _line *tmpline; 2420 2421 #ifdef DIAG 2422 /*printf("starting waddch \n");fflush(stdout);*/ 2423 #endif 2424 column = window->LX; 2425 if (c == '\t') 2426 { 2427 shift = (column + 1) % 8; 2428 if (shift == 0) 2429 shift++; 2430 else 2431 shift = 9 - shift; 2432 while (shift > 0) 2433 { 2434 shift--; 2435 waddch(window, ' '); 2436 } 2437 } 2438 else if ((column < window->Num_cols) && (window->LY < window->Num_lines)) 2439 { 2440 if ((c == '~') && (Booleans[hz__])) 2441 c = '@'; 2442 2443 if (( c != '\b') && (c != '\n') && (c != '\r')) 2444 { 2445 tmpline = window->line_array[window->LY]; 2446 tmpline->row[column] = c; 2447 tmpline->attributes[column] = window->Attrib; 2448 tmpline->changed = TRUE; 2449 if (column >= tmpline->last_char) 2450 { 2451 if (column > tmpline->last_char) 2452 for (j = tmpline->last_char; j < column; j++) 2453 { 2454 tmpline->row[j] = ' '; 2455 tmpline->attributes[j] = '\0'; 2456 } 2457 tmpline->row[column + 1] = '\0'; 2458 tmpline->attributes[column + 1] = '\0'; 2459 tmpline->last_char = column + 1; 2460 } 2461 } 2462 if (c == '\n') 2463 { 2464 wclrtoeol(window); 2465 window->LX = window->Num_cols; 2466 } 2467 else if (c == '\r') 2468 window->LX = 0; 2469 else if (c == '\b') 2470 window->LX--; 2471 else 2472 window->LX++; 2473 } 2474 if (window->LX >= window->Num_cols) 2475 { 2476 window->LX = 0; 2477 window->LY++; 2478 if (window->LY >= window->Num_lines) 2479 { 2480 window->LY = window->Num_lines - 1; 2481 /* window->LY = row; 2482 wmove(window, 0, 0); 2483 wdeleteln(window); 2484 wmove(window, row, 0);*/ 2485 } 2486 } 2487 window->SCROLL_CLEAR = CHANGE; 2488 } 2489 2490 void 2491 winsertln(window) /* insert a blank line into the specified window */ 2492 WINDOW *window; 2493 { 2494 int row, column; 2495 struct _line *tmp; 2496 struct _line *tmp1; 2497 2498 window->scroll_down += 1; 2499 window->SCROLL_CLEAR = SCROLL; 2500 column = window->LX; 2501 row = window->LY; 2502 for (row = 0, tmp = window->first_line; (row < window->Num_lines) && (tmp->next_screen != NULL); row++) 2503 tmp = tmp->next_screen; 2504 if (tmp->prev_screen != NULL) 2505 tmp->prev_screen->next_screen = NULL; 2506 tmp1 = tmp; 2507 clear_line(tmp1, 0, window->Num_cols); 2508 tmp1->number = -1; 2509 for (row = 0, tmp = window->first_line; (row < window->LY) && (tmp->next_screen != NULL); row++) 2510 tmp = tmp->next_screen; 2511 if ((window->LY == (window->Num_lines - 1)) && (window->Num_lines > 1)) 2512 { 2513 tmp1->next_screen = tmp->next_screen; 2514 tmp->next_screen = tmp1; 2515 tmp->changed = TRUE; 2516 tmp->next_screen->prev_screen = tmp; 2517 } 2518 else if (window->Num_lines > 1) 2519 { 2520 if (tmp->prev_screen != NULL) 2521 tmp->prev_screen->next_screen = tmp1; 2522 tmp1->prev_screen = tmp->prev_screen; 2523 tmp->prev_screen = tmp1; 2524 tmp1->next_screen = tmp; 2525 tmp->changed = TRUE; 2526 tmp->scroll = DOWN; 2527 } 2528 if (window->LY == 0) 2529 window->first_line = tmp1; 2530 2531 for (row = 0, tmp1 = window->first_line; 2532 row < window->Num_lines; row++) 2533 { 2534 window->line_array[row] = tmp1; 2535 tmp1 = tmp1->next_screen; 2536 } 2537 } 2538 2539 void 2540 wdeleteln(window) /* delete a line in the specified window */ 2541 WINDOW *window; 2542 { 2543 int row, column; 2544 struct _line *tmp; 2545 struct _line *tmpline; 2546 2547 if (window->Num_lines > 1) 2548 { 2549 window->scroll_up += 1; 2550 window->SCROLL_CLEAR = SCROLL; 2551 column = window->LX; 2552 row = window->LY; 2553 for (row = 0, tmp = window->first_line; row < window->LY; row++) 2554 tmp = tmp->next_screen; 2555 if (window->LY == 0) 2556 window->first_line = tmp->next_screen; 2557 if (tmp->prev_screen != NULL) 2558 tmp->prev_screen->next_screen = tmp->next_screen; 2559 if (tmp->next_screen != NULL) 2560 { 2561 tmp->next_screen->changed = TRUE; 2562 tmp->next_screen->scroll = UP; 2563 tmp->next_screen->prev_screen = tmp->prev_screen; 2564 } 2565 tmpline = tmp; 2566 clear_line(tmpline, 0, window->Num_cols); 2567 tmpline->number = -1; 2568 for (row = 0, tmp = window->first_line; tmp->next_screen != NULL; row++) 2569 tmp = tmp->next_screen; 2570 if (tmp != NULL) 2571 { 2572 tmp->next_screen = tmpline; 2573 tmp->next_screen->prev_screen = tmp; 2574 tmp->changed = TRUE; 2575 tmp = tmp->next_screen; 2576 } 2577 else 2578 tmp = tmpline; 2579 tmp->next_screen = NULL; 2580 2581 for (row = 0, tmp = window->first_line; row < window->Num_lines; row++) 2582 { 2583 window->line_array[row] = tmp; 2584 tmp = tmp->next_screen; 2585 } 2586 } 2587 else 2588 { 2589 clear_line(window->first_line, 0, window->Num_cols); 2590 } 2591 } 2592 2593 void 2594 wclrtobot(window) /* delete from current position to end of the window */ 2595 WINDOW *window; 2596 { 2597 int row, column; 2598 struct _line *tmp; 2599 2600 window->SCROLL_CLEAR |= CLEAR; 2601 column = window->LX; 2602 row = window->LY; 2603 for (row = 0, tmp = window->first_line; row < window->LY; row++) 2604 tmp = tmp->next_screen; 2605 clear_line(tmp, column, window->Num_cols); 2606 for (row = (window->LY + 1); row < window->Num_lines; row++) 2607 { 2608 tmp = tmp->next_screen; 2609 clear_line(tmp, 0, window->Num_cols); 2610 } 2611 wmove(window, row, column); 2612 } 2613 2614 void 2615 wstandout(window) /* begin standout mode in window */ 2616 WINDOW *window; 2617 { 2618 if (Numbers[sg__] < 1) /* if not magic cookie glitch */ 2619 window->Attrib |= A_STANDOUT; 2620 } 2621 2622 void 2623 wstandend(window) /* end standout mode in window */ 2624 WINDOW *window; 2625 { 2626 window->Attrib &= ~A_STANDOUT; 2627 } 2628 2629 void 2630 waddstr(window, string) /* write 'string' in window */ 2631 WINDOW *window; 2632 char *string; 2633 { 2634 char *wstring; 2635 2636 for (wstring = string; *wstring != '\0'; wstring++) 2637 waddch(window, *wstring); 2638 } 2639 2640 void 2641 clearok(window, flag) /* erase screen and redraw at next refresh */ 2642 WINDOW *window; 2643 int flag; 2644 { 2645 Repaint_screen = TRUE; 2646 } 2647 2648 2649 void 2650 echo() /* turn on echoing */ 2651 { 2652 int value; 2653 2654 #ifdef SYS5 2655 Terminal.c_lflag |= ECHO; /* enable echo */ 2656 value = ioctl(0, TCSETA, &Terminal); /* set characteristics */ 2657 #else 2658 Terminal.sg_flags |= ECHO; /* enable echo */ 2659 value = ioctl(0, TIOCSETP, &Terminal); /* set characteristics */ 2660 #endif 2661 } 2662 2663 void 2664 noecho() /* turn off echoing */ 2665 { 2666 int value; 2667 2668 #ifdef SYS5 2669 Terminal.c_lflag &= ~ECHO; /* disable echo */ 2670 value = ioctl(0, TCSETA, &Terminal); /* set characteristics */ 2671 #else 2672 Terminal.sg_flags &= ~ECHO; /* disable echo */ 2673 value = ioctl(0, TIOCSETP, &Terminal); /* set characteristics */ 2674 #endif 2675 } 2676 2677 void 2678 raw() /* set to read characters immediately */ 2679 { 2680 int value; 2681 2682 #ifdef SYS5 2683 Intr = Terminal.c_cc[VINTR]; /* get the interrupt character */ 2684 Terminal.c_lflag &= ~ICANON; /* disable canonical operation */ 2685 Terminal.c_lflag &= ~ISIG; /* disable signal checking */ 2686 #ifdef FLUSHO 2687 Terminal.c_lflag &= ~FLUSHO; 2688 #endif 2689 #ifdef PENDIN 2690 Terminal.c_lflag &= ~PENDIN; 2691 #endif 2692 #ifdef IEXTEN 2693 Terminal.c_lflag &= ~IEXTEN; 2694 #endif 2695 Terminal.c_cc[VMIN] = 1; /* minimum of one character */ 2696 Terminal.c_cc[VTIME] = 0; /* timeout value */ 2697 Terminal.c_cc[VINTR] = 0; /* eliminate interrupt */ 2698 value = ioctl(0, TCSETA, &Terminal); /* set characteristics */ 2699 #else 2700 Terminal.sg_flags |= RAW; /* enable raw mode */ 2701 value = ioctl(0, TIOCSETP, &Terminal); /* set characteristics */ 2702 #endif 2703 } 2704 2705 void 2706 noraw() /* set to normal character read mode */ 2707 { 2708 int value; 2709 2710 #ifdef SYS5 2711 Terminal.c_lflag |= ICANON; /* enable canonical operation */ 2712 Terminal.c_lflag |= ISIG; /* enable signal checking */ 2713 Terminal.c_cc[VEOF] = 4; /* EOF character = 4 */ 2714 Terminal.c_cc[VEOL] = '\0'; /* EOL = 0 */ 2715 Terminal.c_cc[VINTR] = Intr; /* reset interrupt char */ 2716 value = ioctl(0, TCSETA, &Terminal); /* set characteristics */ 2717 #else 2718 Terminal.sg_flags &= ~RAW; /* disable raw mode */ 2719 value = ioctl(0, TIOCSETP, &Terminal); /* set characteristics */ 2720 /* old_arg = fcntl(0, F_GETFL, 0); 2721 value = fcntl(0, F_SETFL, old_arg & ~FNDELAY);*/ 2722 #endif 2723 } 2724 2725 void 2726 nl() 2727 { 2728 int value; 2729 2730 #ifdef SYS5 2731 Terminal.c_iflag |= ICRNL; /* enable carriage-return to line-feed mapping */ 2732 value = ioctl(0, TCSETA, &Terminal); /* set characteristics */ 2733 #endif 2734 } 2735 2736 void 2737 nonl() 2738 { 2739 int value; 2740 2741 #ifdef SYS5 2742 Terminal.c_iflag &= ~ICRNL; /* disable carriage-return to line-feed mapping */ 2743 Terminal.c_iflag &= ~IGNCR; /* do not ignore carriage-return */ 2744 value = ioctl(0, TCSETA, &Terminal); /* set characteristics */ 2745 #endif 2746 } 2747 2748 void 2749 saveterm() 2750 { 2751 } 2752 2753 void 2754 fixterm() 2755 { 2756 } 2757 2758 void 2759 resetterm() 2760 { 2761 } 2762 2763 void 2764 nodelay(window, flag) 2765 WINDOW *window; 2766 int flag; 2767 { 2768 } 2769 2770 void 2771 idlok(window, flag) 2772 WINDOW *window; 2773 int flag; 2774 { 2775 } 2776 2777 void 2778 keypad(window, flag) 2779 WINDOW *window; 2780 int flag; 2781 { 2782 if (flag) 2783 String_Out(String_table[ks__], NULL, 0); 2784 else 2785 String_Out(String_table[ke__], NULL, 0); 2786 } 2787 2788 void 2789 savetty() /* save current tty stats */ 2790 { 2791 int value; 2792 2793 #ifdef SYS5 2794 value = ioctl(0, TCGETA, &Saved_tty); /* set characteristics */ 2795 #else 2796 value = ioctl(0, TIOCGETP, &Saved_tty); /* set characteristics */ 2797 #endif 2798 } 2799 2800 void 2801 resetty() /* restore previous tty stats */ 2802 { 2803 int value; 2804 2805 #ifdef SYS5 2806 value = ioctl(0, TCSETA, &Saved_tty); /* set characteristics */ 2807 #else 2808 value = ioctl(0, TIOCSETP, &Saved_tty); /* set characteristics */ 2809 #endif 2810 } 2811 2812 void 2813 endwin() /* end windows */ 2814 { 2815 keypad(stdscr, FALSE); 2816 initialized = FALSE; 2817 delwin(curscr); 2818 delwin(virtual_scr); 2819 delwin(stdscr); 2820 #ifndef SYS5 2821 { 2822 int old_arg, value; 2823 /* old_arg = fcntl(0, F_GETFL, 0); 2824 value = fcntl(0, F_SETFL, old_arg & ~FNDELAY);*/ 2825 } 2826 #endif 2827 } 2828 2829 void 2830 delwin(window) /* delete the window structure */ 2831 WINDOW *window; 2832 { 2833 int i; 2834 2835 for (i = 1; (i < window->Num_lines) && (window->first_line->next_screen != NULL); i++) 2836 { 2837 window->first_line = window->first_line->next_screen; 2838 free(window->first_line->prev_screen->row); 2839 free(window->first_line->prev_screen->attributes); 2840 free(window->first_line->prev_screen); 2841 } 2842 if (window == last_window_refreshed) 2843 last_window_refreshed = 0; 2844 if (window->first_line != NULL) 2845 { 2846 free(window->first_line->row); 2847 free(window->first_line->attributes); 2848 free(window->first_line); 2849 free(window); 2850 } 2851 } 2852 2853 #ifndef __STDC__ 2854 void 2855 wprintw(va_alist) 2856 va_dcl 2857 #else /* __STDC__ */ 2858 void 2859 wprintw(WINDOW *window, const char *format, ...) 2860 #endif /* __STDC__ */ 2861 { 2862 #ifndef __STDC__ 2863 WINDOW *window; 2864 char *format; 2865 va_list ap; 2866 #else 2867 va_list ap; 2868 #endif 2869 int value; 2870 char *fpoint; 2871 char *wtemp; 2872 2873 #ifndef __STDC__ 2874 va_start(ap); 2875 window = va_arg(ap, WINDOW *); 2876 format = va_arg(ap, char *); 2877 #else /* __STDC__ */ 2878 va_start(ap, format); 2879 #endif /* __STDC__ */ 2880 2881 fpoint = (char *) format; 2882 while (*fpoint != '\0') 2883 { 2884 if (*fpoint == '%') 2885 { 2886 fpoint++; 2887 if (*fpoint == 'd') 2888 { 2889 value = va_arg(ap, int); 2890 iout(window, value); 2891 } 2892 else if (*fpoint == 'c') 2893 { 2894 value = va_arg(ap, int); 2895 waddch(window, value); 2896 } 2897 else if (*fpoint == 's') 2898 { 2899 wtemp = va_arg(ap, char *); 2900 waddstr(window, wtemp); 2901 } 2902 fpoint++; 2903 } 2904 else if (*fpoint == '\\') 2905 { 2906 fpoint++; 2907 if (*fpoint == 'n') 2908 waddch(window, '\n'); 2909 else if ((*fpoint >= '0') && (*fpoint <= '9')) 2910 { 2911 value = 0; 2912 while ((*fpoint >= '0') && (*fpoint <= '9')) 2913 { 2914 value = (value * 8) + (*fpoint - '0'); 2915 fpoint++; 2916 } 2917 waddch(window, value); 2918 } 2919 fpoint++; 2920 } 2921 else 2922 waddch(window, *fpoint++); 2923 } 2924 #ifdef __STDC__ 2925 va_end(ap); 2926 #endif /* __STDC__ */ 2927 } 2928 2929 void 2930 iout(window, value) /* output characters */ 2931 WINDOW *window; 2932 int value; 2933 { 2934 int i; 2935 2936 if ((i = value / 10) != 0) 2937 iout(window, i); 2938 waddch(window, ((value % 10) + '0')); 2939 } 2940 2941 int 2942 Comp_line(line1, line2) /* compare lines */ 2943 struct _line *line1; 2944 struct _line *line2; 2945 { 2946 int count1; 2947 int i; 2948 char *att1, *att2; 2949 char *c1, *c2; 2950 2951 if (line1->last_char != line2->last_char) 2952 return(2); 2953 2954 c1 = line1->row; 2955 c2 = line2->row; 2956 att1 = line1->attributes; 2957 att2 = line2->attributes; 2958 i = 0; 2959 while ((c1[i] != '\0') && (c2[i] != '\0') && (c1[i] == c2[i]) && (att1[i] == att2[i])) 2960 i++; 2961 count1 = i + 1; 2962 if ((count1 == 1) && (c1[i] == '\0') && (c2[i] == '\0')) 2963 count1 = 0; /* both lines blank */ 2964 else if ((c1[i] == '\0') && (c2[i] == '\0')) 2965 count1 = -1; /* equal */ 2966 else 2967 count1 = 1; /* lines unequal */ 2968 return(count1); 2969 } 2970 2971 struct _line * 2972 Insert_line(row, end_row, window) /* insert line into screen */ 2973 int row; 2974 int end_row; 2975 WINDOW *window; 2976 { 2977 int i; 2978 struct _line *tmp; 2979 struct _line *tmp1; 2980 2981 for (i = 0, tmp = curscr->first_line; i < window->SR; i++) 2982 tmp = tmp->next_screen; 2983 if ((end_row + window->SR) == 0) 2984 curscr->first_line = curscr->first_line->next_screen; 2985 top_of_win = tmp; 2986 /* 2987 | find bottom line to delete 2988 */ 2989 for (i = 0, tmp = top_of_win; (tmp->next_screen != NULL) && (i < end_row); i++) 2990 tmp = tmp->next_screen; 2991 if (tmp->prev_screen != NULL) 2992 tmp->prev_screen->next_screen = tmp->next_screen; 2993 if (tmp->next_screen != NULL) 2994 tmp->next_screen->prev_screen = tmp->prev_screen; 2995 tmp1 = tmp; 2996 /* 2997 | clear deleted line 2998 */ 2999 clear_line(tmp, 0, window->Num_cols); 3000 tmp1->number = -1; 3001 for (i = 0, tmp = curscr->first_line; (tmp->next_screen != NULL) && (i < window->SR); i++) 3002 tmp = tmp->next_screen; 3003 top_of_win = tmp; 3004 for (i = 0, tmp = top_of_win; i < row; i++) 3005 tmp = tmp->next_screen; 3006 if ((tmp->prev_screen != NULL) && (window->Num_lines > 0)) 3007 tmp->prev_screen->next_screen = tmp1; 3008 tmp1->prev_screen = tmp->prev_screen; 3009 tmp->prev_screen = tmp1; 3010 tmp1->next_screen = tmp; 3011 if ((row + window->SR) == 0) 3012 curscr->first_line = tmp1; 3013 if (tmp1->next_screen != NULL) 3014 tmp1 = tmp1->next_screen; 3015 3016 if ((!String_table[cs__]) && (end_row < window->Num_lines)) 3017 { 3018 Position(window, (window->SR + end_row), 0); 3019 String_Out(String_table[dl__], NULL, 0); 3020 } 3021 Position(window, (window->SR + row), 0); 3022 if (String_table[al__] != NULL) 3023 String_Out(String_table[al__], NULL, 0); 3024 else 3025 String_Out(String_table[sr__], NULL, 0); 3026 3027 for (i = 0, top_of_win = curscr->first_line; (top_of_win->next_screen != NULL) && (i < window->SR); i++) 3028 top_of_win = top_of_win->next_screen; 3029 return(tmp1); 3030 } 3031 3032 3033 struct _line * 3034 Delete_line(row, end_row, window) /* delete a line on screen */ 3035 int row; 3036 int end_row; 3037 WINDOW *window; 3038 { 3039 int i; 3040 struct _line *tmp; 3041 struct _line *tmp1; 3042 struct _line *tmp2; 3043 3044 i = 0; 3045 tmp = curscr->first_line; 3046 while (i < window->SR) 3047 { 3048 i++; 3049 tmp = tmp->next_screen; 3050 } 3051 /* 3052 | find line to delete 3053 */ 3054 top_of_win = tmp; 3055 if ((row + window->SR) == 0) 3056 curscr->first_line = top_of_win->next_screen; 3057 for (i = 0, tmp = top_of_win; i < row; i++) 3058 tmp = tmp->next_screen; 3059 if (tmp->prev_screen != NULL) 3060 tmp->prev_screen->next_screen = tmp->next_screen; 3061 if (tmp->next_screen != NULL) 3062 tmp->next_screen->prev_screen = tmp->prev_screen; 3063 tmp2 = tmp->next_screen; 3064 tmp1 = tmp; 3065 /* 3066 | clear deleted line 3067 */ 3068 clear_line(tmp1, 0, window->Num_cols); 3069 tmp1->number = -1; 3070 /* 3071 | find location to insert deleted line 3072 */ 3073 for (i = 0, tmp = curscr->first_line; (tmp->next_screen != NULL) && (i < window->SR); i++) 3074 tmp = tmp->next_screen; 3075 top_of_win = tmp; 3076 for (i = 0, tmp = top_of_win; (i < end_row) && (tmp->next_screen != NULL); i++) 3077 tmp = tmp->next_screen; 3078 tmp1->next_screen = tmp; 3079 tmp1->prev_screen = tmp->prev_screen; 3080 if (tmp1->prev_screen != NULL) 3081 tmp1->prev_screen->next_screen = tmp1; 3082 tmp->prev_screen = tmp1; 3083 3084 Position(window, (window->SR + row), 0); 3085 String_Out(String_table[dl__], NULL, 0); 3086 if ((!String_table[cs__]) && (end_row < window->Num_lines)) 3087 { 3088 Position(window, (window->SR + end_row), 0); 3089 String_Out(String_table[al__], NULL, 0); 3090 } 3091 else if ((String_table[cs__] != NULL) && (String_table[dl__] == NULL)) 3092 { 3093 Position(window, (window->SR + end_row), 0); 3094 putchar('\n'); 3095 } 3096 3097 if (row == (window->Num_lines-1)) 3098 tmp2 = tmp1; 3099 if ((row + window->SR) == 0) 3100 curscr->first_line = top_of_win = tmp2; 3101 return(tmp2); 3102 } 3103 3104 void 3105 CLEAR_TO_EOL(window, row, column) 3106 WINDOW *window; 3107 int row, column; 3108 { 3109 int x, y; 3110 struct _line *tmp1; 3111 3112 for (y = 0, tmp1 = curscr->first_line; (y < (window->SR+row)) && (tmp1->next_screen != NULL); y++) 3113 tmp1 = tmp1->next_screen; 3114 for (x = column; x<window->Num_cols; x++) 3115 { 3116 tmp1->row[x] = ' '; 3117 tmp1->attributes[x] = '\0'; 3118 } 3119 tmp1->row[column] = '\0'; 3120 tmp1->last_char = column; 3121 if (column < COLS) 3122 { 3123 if (STAND) 3124 { 3125 STAND = FALSE; 3126 Position(window, row, column); 3127 attribute_off(); 3128 } 3129 if (String_table[ce__] != NULL) 3130 String_Out(String_table[ce__], NULL, 0); 3131 else 3132 { 3133 for (x = column; x < window->Num_cols; x++) 3134 putchar(' '); 3135 Curr_x = x; 3136 } 3137 } 3138 } 3139 3140 int 3141 check_delete(window, line, offset, pointer_new, pointer_old) 3142 WINDOW *window; 3143 int line, offset; 3144 struct _line *pointer_new, *pointer_old; 3145 { 3146 int end_old; 3147 int end_new; 3148 int k; 3149 int changed; 3150 char *old_lin; 3151 char *new_lin; 3152 char *old_att; 3153 char *new_att; 3154 3155 changed = FALSE; 3156 new_lin = pointer_new->row; 3157 new_att = pointer_new->attributes; 3158 old_lin = pointer_old->row; 3159 old_att = pointer_old->attributes; 3160 end_old = end_new = offset; 3161 while (((new_lin[end_new] != old_lin[end_old]) || (new_att[end_new] != old_att[end_old])) && (old_lin[end_old] != '\0') && (new_lin[end_old] != '\0')) 3162 end_old++; 3163 if (old_lin[end_old] != '\0') 3164 { 3165 k = 0; 3166 while ((old_lin[end_old+k] == new_lin[end_new+k]) && (new_att[end_new+k] == old_att[end_old+k]) && (new_lin[end_new+k] != '\0') && (old_lin[end_old+k] != '\0') && (k < 10)) 3167 k++; 3168 if ((k > 8) || ((new_lin[end_new+k] == '\0') && (k != 0))) 3169 { 3170 if (new_lin[end_new+k] == '\0') 3171 { 3172 Position(window, line, (end_new+k)); 3173 CLEAR_TO_EOL(window, line, (end_new+k)); 3174 } 3175 Position(window, line, offset); 3176 for (k = offset; k < end_old; k++) 3177 Char_del(old_lin, old_att, offset, window->Num_cols); 3178 while ((old_lin[offset] != '\0') && (offset < COLS)) 3179 offset++; 3180 pointer_old->last_char = offset; 3181 changed = TRUE; 3182 } 3183 } 3184 return(changed); 3185 } 3186 3187 /* 3188 | Check if characters were inserted in the middle of a line, and if 3189 | so, insert them. 3190 */ 3191 3192 int 3193 check_insert(window, line, offset, pointer_new, pointer_old) 3194 WINDOW *window; 3195 int line, offset; 3196 struct _line *pointer_new, *pointer_old; 3197 { 3198 int changed; 3199 int end_old, end_new; 3200 int k; 3201 int same = FALSE; 3202 int old_off; 3203 int insert; 3204 char *old_lin; 3205 char *new_lin; 3206 char *old_att; 3207 char *new_att; 3208 3209 changed = FALSE; 3210 new_lin = pointer_new->row; 3211 new_att = pointer_new->attributes; 3212 old_lin = pointer_old->row; 3213 old_att = pointer_old->attributes; 3214 end_old = end_new = offset; 3215 while (((new_lin[end_new] != old_lin[end_old]) || (new_att[end_new] != old_att[end_old])) && (new_lin[end_new] != '\0') && (old_lin[end_new] != '\0')) 3216 end_new++; 3217 if (new_lin[end_new] != '\0') 3218 { 3219 k = 0; 3220 while ((old_lin[end_old+k] == new_lin[end_new+k]) && (old_att[end_old+k] == new_att[end_new+k]) && (new_lin[end_new+k] != '\0') && (old_lin[end_old+k] != '\0') && (k < 10)) 3221 k++; 3222 /* 3223 | check for commonality between rest of lines (are the old 3224 | and new lines the same, except for a chunk in the middle?) 3225 | if the rest of the lines are common, do not insert text 3226 */ 3227 old_off = end_new; 3228 while ((old_lin[old_off] != '\0') && (new_lin[old_off] != '\0') && (old_lin[old_off] == new_lin[old_off]) && (old_att[old_off] == new_att[old_off])) 3229 old_off++; 3230 if ((old_lin[old_off] == new_lin[old_off]) && (old_att[old_off] == new_att[old_off])) 3231 same = TRUE; 3232 if ((!same) && ((k > 8) || ((new_lin[end_new+k] == '\0') && (k != 0)))) 3233 { 3234 Position(window, line, offset); 3235 insert = FALSE; 3236 if (String_table[ic__] == NULL) 3237 { 3238 String_Out(String_table[im__], NULL, 0); 3239 insert = TRUE; 3240 } 3241 for (k = offset; k < end_new; k++) 3242 { 3243 if (!insert) 3244 String_Out(String_table[ic__], NULL, 0); 3245 Char_ins(old_lin, old_att, new_lin[k], new_att[k], k, window->Num_cols); 3246 } 3247 if (insert) 3248 String_Out(String_table[ei__], NULL, 0); 3249 while ((old_lin[offset] != '\0') && (offset < COLS)) 3250 offset++; 3251 pointer_old->last_char = offset; 3252 changed = TRUE; 3253 } 3254 } 3255 return(changed); 3256 } 3257 3258 void 3259 doupdate() 3260 { 3261 WINDOW *window; 3262 int similar; 3263 int diff; 3264 int begin_old, begin_new; 3265 int end_old, end_new; 3266 int count1, j; 3267 int from_top, tmp_ft, offset; 3268 int changed; 3269 int first_time; 3270 int first_same; 3271 int last_same; 3272 int list[10]; 3273 int bottom; 3274 3275 struct _line *curr; 3276 struct _line *virt; 3277 struct _line *old; 3278 3279 struct _line *new; 3280 3281 struct _line *old1, *new1; 3282 3283 char *cur_lin; 3284 char *vrt_lin; 3285 char *cur_att; 3286 char *vrt_att; 3287 char *att1, *att2; 3288 char *c1, *c2; 3289 3290 char NC_chinese = FALSE; /* flag to indicate handling Chinese */ 3291 3292 window = virtual_scr; 3293 3294 if ((nc_attributes & A_NC_BIG5) != 0) 3295 NC_chinese = TRUE; 3296 3297 if (Repaint_screen) 3298 { 3299 if (String_table[cl__]) 3300 String_Out(String_table[cl__], NULL, 0); 3301 else 3302 { 3303 from_top = 0; 3304 while (from_top < LINES) 3305 { 3306 Position(curscr, from_top, 0); 3307 if (String_table[ce__] != NULL) 3308 String_Out(String_table[ce__], NULL, 0); 3309 else 3310 { 3311 for (j = 0; j < window->Num_cols; j++) 3312 putchar(' '); 3313 } 3314 from_top++; 3315 } 3316 } 3317 for (from_top = 0, curr = curscr->first_line; from_top < curscr->Num_lines; from_top++, curr = curr->next_screen) 3318 { 3319 Position(curscr, from_top, 0); 3320 for (j = 0; (curr->row[j] != '\0') && (j < curscr->Num_cols); j++) 3321 { 3322 Char_out(curr->row[j], curr->attributes[j], curr->row, curr->attributes, j); 3323 } 3324 if (STAND) 3325 { 3326 STAND = FALSE; 3327 Position(curscr, from_top, j); 3328 attribute_off(); 3329 } 3330 } 3331 Repaint_screen = FALSE; 3332 } 3333 3334 similar = 0; 3335 diff = FALSE; 3336 top_of_win = curscr->first_line; 3337 3338 for (from_top = 0, curr = top_of_win, virt = window->first_line; 3339 from_top < window->Num_lines; from_top++) 3340 { 3341 virtual_lines[from_top] = TRUE; 3342 if ((similar = Comp_line(curr, virt)) > 0) 3343 { 3344 virtual_lines[from_top] = FALSE; 3345 diff = TRUE; 3346 } 3347 curr = curr->next_screen; 3348 virt = virt->next_screen; 3349 } 3350 3351 from_top = 0; 3352 virt = window->first_line; 3353 curr = top_of_win; 3354 similar = 0; 3355 /* 3356 | if the window has lines that are different, check for scrolling 3357 */ 3358 if (diff) 3359 { 3360 last_same = -1; 3361 changed = FALSE; 3362 for (first_same = window->Num_lines; 3363 (first_same > from_top) && (virtual_lines[first_same - 1]); 3364 first_same--) 3365 ; 3366 for (last_same = 0; 3367 (last_same < window->Num_lines) && (virtual_lines[last_same]== FALSE); 3368 last_same++) 3369 ; 3370 while ((from_top < first_same) && nc_scrolling_ability) 3371 /* check entire lines for diffs */ 3372 { 3373 3374 if (from_top >= last_same) 3375 { 3376 for (last_same = from_top; 3377 (last_same < window->Num_lines) && 3378 (virtual_lines[last_same] == FALSE); 3379 last_same++) 3380 ; 3381 } 3382 if (!virtual_lines[from_top]) 3383 { 3384 diff = TRUE; 3385 /* 3386 | check for lines deleted (scroll up) 3387 */ 3388 for (tmp_ft = from_top+1, old = curr->next_screen; 3389 ((window->scroll_up) && (diff) && 3390 (tmp_ft < last_same) && 3391 (!virtual_lines[tmp_ft])); 3392 tmp_ft++) 3393 { 3394 if ((Comp_line(old, virt) == -1) && (!virtual_lines[from_top])) 3395 { 3396 /* 3397 | Find the bottom of the 3398 | area that should be 3399 | scrolled. 3400 */ 3401 for (bottom = tmp_ft, old1 = old, 3402 new1 = virt, count1 = 0; 3403 (bottom < window->Num_lines) && 3404 (Comp_line(old1, new1) <= 0); 3405 bottom++, old1 = old1->next_screen, 3406 new1 = new1->next_screen, 3407 count1++) 3408 ; 3409 if (count1 > 3) 3410 { 3411 if (String_table[cs__]) /* scrolling region */ 3412 { 3413 list[1] = from_top; 3414 list[0] = min((bottom - 1), (window->Num_lines - 1)); 3415 String_Out(String_table[cs__], list, 2); 3416 Curr_y = Curr_x = -1; 3417 } 3418 3419 for (offset = (tmp_ft - from_top); (offset > 0); offset--) 3420 { 3421 old = Delete_line(from_top, min((bottom - 1), (window->Num_lines - 1)), window); 3422 diff = FALSE; 3423 } 3424 3425 if (String_table[cs__]) /* scrolling region */ 3426 { 3427 list[1] = 0; 3428 list[0] = LINES - 1; 3429 String_Out(String_table[cs__], list, 2); 3430 Curr_y = Curr_x = -1; 3431 } 3432 3433 top_of_win = curscr->first_line; 3434 curr = top_of_win; 3435 for (offset = 0; offset < from_top; offset++) 3436 curr = curr->next_screen; 3437 for (offset = from_top, old=curr, new=virt; 3438 offset < window->Num_lines; 3439 old=old->next_screen, new=new->next_screen, 3440 offset++) 3441 { 3442 similar = Comp_line(old, new); 3443 virtual_lines[offset] = (similar > 0 ? FALSE : TRUE); 3444 } 3445 } 3446 } 3447 else 3448 old = old->next_screen; 3449 } 3450 /* 3451 | check for lines inserted (scroll down) 3452 */ 3453 for (tmp_ft = from_top-1, old = curr->prev_screen; 3454 ((window->scroll_down) && (tmp_ft >= 0) && 3455 (diff) && 3456 (!virtual_lines[tmp_ft])); 3457 tmp_ft--) 3458 { 3459 if (Comp_line(old, virt) == -1) 3460 { 3461 /* 3462 | Find the bottom of the 3463 | area that should be 3464 | scrolled. 3465 */ 3466 for (bottom = from_top, old1 = old, 3467 new1 = virt, count1 = 0; 3468 (bottom < window->Num_lines) && 3469 (Comp_line(old1, new1) <= 0); 3470 bottom++, old1 = old1->next_screen, 3471 new1 = new1->next_screen, 3472 count1++) 3473 ; 3474 if (count1 > 3) 3475 { 3476 if (String_table[cs__]) /* scrolling region */ 3477 { 3478 list[1] = tmp_ft; 3479 list[0] = min((bottom - 1), (window->Num_lines - 1)); 3480 String_Out(String_table[cs__], list, 2); 3481 Curr_y = Curr_x = -1; 3482 } 3483 3484 for (offset = (from_top - tmp_ft); (offset > 0); offset--) 3485 { 3486 old = Insert_line(tmp_ft, min((bottom - 1), (window->Num_lines -1)), window); 3487 diff = FALSE; 3488 } 3489 3490 if (String_table[cs__]) /* scrolling region */ 3491 { 3492 list[1] = 0; 3493 list[0] = LINES - 1; 3494 String_Out(String_table[cs__], list, 2); 3495 Curr_y = Curr_x = -1; 3496 } 3497 3498 top_of_win = curscr->first_line; 3499 curr = top_of_win; 3500 for (offset = 0; offset < from_top; offset++) 3501 curr = curr->next_screen; 3502 for (offset = from_top, old=curr, new=virt; 3503 offset < window->Num_lines; 3504 old=old->next_screen, new=new->next_screen, 3505 offset++) 3506 { 3507 similar = Comp_line(old, new); 3508 virtual_lines[offset] = (similar > 0 ? FALSE : TRUE); 3509 } 3510 } 3511 } 3512 else 3513 old = old->prev_screen; 3514 } 3515 } 3516 from_top++; 3517 curr = curr->next_screen; 3518 virt = virt->next_screen; 3519 } 3520 } 3521 3522 3523 /* 3524 | Scrolling done, now need to insert, delete, or modify text 3525 | within lines. 3526 */ 3527 3528 for (from_top = 0, curr = curscr->first_line; from_top < window->SR; from_top++) 3529 curr = curr->next_screen; 3530 top_of_win = curr; 3531 for (from_top = 0, curr = top_of_win, virt = window->first_line; from_top < window->Num_lines; from_top++, curr = curr->next_screen, virt = virt->next_screen) 3532 { 3533 3534 /* 3535 | If either 'insert mode' or 'insert char' are 3536 | available, enter the following 'if' statement, 3537 | else, need to simply rewrite the contents of the line 3538 | at the point where the contents of the line change. 3539 */ 3540 3541 if (((String_table[ic__]) || (String_table[im__])) && 3542 (String_table[dc__]) && (curr->row[0] != '\0') && 3543 (!NC_chinese)) 3544 { 3545 j = 0; 3546 first_time = TRUE; 3547 vrt_lin = virt->row; 3548 vrt_att = virt->attributes; 3549 cur_lin = curr->row; 3550 cur_att = curr->attributes; 3551 while ((vrt_lin[j] != '\0') && (j < window->Num_cols)) 3552 { 3553 if ((STAND) && (Booleans[xs__])) 3554 { 3555 while ((vrt_lin[j] == cur_lin[j]) && (vrt_att[j] == cur_att[j]) && (vrt_lin[j] != '\0') && (vrt_att[j])) 3556 j++; 3557 if ((STAND) && (!vrt_att[j])) 3558 { 3559 STAND = FALSE; 3560 Position(window, from_top, j); 3561 attribute_off(); 3562 attribute_off(); 3563 } 3564 } 3565 else 3566 { 3567 while ((vrt_lin[j] == cur_lin[j]) && (vrt_att[j] == cur_att[j]) && (vrt_lin[j] != '\0')) 3568 j++; 3569 } 3570 if ((vrt_att[j] != cur_att[j]) && (cur_att[j]) && (Booleans[xs__])) 3571 { 3572 Position(window, from_top, j); 3573 /* CLEAR_TO_EOL(window, from_top, j);*/ 3574 attribute_off(); 3575 attribute_off(); 3576 } 3577 if (vrt_lin[j] != '\0') 3578 { 3579 begin_new = j; 3580 begin_old = j; 3581 end_old = j; 3582 end_new = j; 3583 if ((first_time) && (virt->changed)) 3584 { 3585 if (curr->last_char <= virt->last_char) 3586 changed = check_insert(window, from_top, j, virt, curr); 3587 } 3588 changed = check_delete(window, from_top, j, virt, curr); 3589 first_time = FALSE; 3590 virt->changed = FALSE; 3591 if (!changed) 3592 changed = check_insert(window, from_top, j, virt, curr); 3593 if (((!changed) || (cur_lin[j] != vrt_lin[j]) || (cur_att[j] != vrt_att[j])) && (j < window->Num_cols)) 3594 { 3595 if ((vrt_lin[j] == ' ') && (cur_lin[j] == '\0') && (vrt_att[j] == cur_att[j])) 3596 cur_lin[j] = ' '; 3597 else 3598 { 3599 Position(window, from_top, j); 3600 Char_out(vrt_lin[j], vrt_att[j], cur_lin, cur_att, j); 3601 } 3602 } 3603 if ((vrt_lin[j] != '\0')) 3604 j++; 3605 } 3606 if ((STAND) && (!vrt_att[j])) 3607 { 3608 STAND = FALSE; 3609 Position(window, from_top, j); 3610 attribute_off(); 3611 } 3612 } 3613 if ((vrt_lin[j] == '\0') && (cur_lin[j] != '\0')) 3614 { 3615 Position(window, from_top, j); 3616 CLEAR_TO_EOL(window, from_top, j); 3617 } 3618 } 3619 else /*if ((similar != -1) && (similar != 0))*/ 3620 { 3621 j = 0; 3622 c1 = curr->row; 3623 att1 = curr->attributes; 3624 c2 = virt->row; 3625 att2 = virt->attributes; 3626 while ((j < window->Num_cols) && (c2[j] != '\0')) 3627 { 3628 while ((c1[j] == c2[j]) && (att1[j] == att2[j]) && (j < window->Num_cols) && (c2[j] != '\0')) 3629 j++; 3630 3631 /* 3632 | if previous character is an eight bit 3633 | char, start redraw from that character 3634 */ 3635 3636 if ((NC_chinese) && (highbitset(c1[j - 1]))) 3637 j--; 3638 begin_old = j; 3639 begin_new = j; 3640 if ((j < window->Num_cols) && (c2[j] != '\0')) 3641 { 3642 Position(window, from_top, begin_old); 3643 CLEAR_TO_EOL(window, from_top, j); 3644 Position(window, from_top, begin_old); 3645 for (j = begin_old; (c2[j] != '\0') && (j < window->Num_cols); j++) 3646 Char_out(c2[j], att2[j], c1, att1, j); 3647 } 3648 } 3649 if ((c2[j] == '\0') && (c1[j] != '\0')) 3650 { 3651 Position(window, from_top, j); 3652 CLEAR_TO_EOL(window, from_top, j); 3653 } 3654 } 3655 if (STAND) 3656 { 3657 STAND = FALSE; 3658 Position(window, from_top, j); 3659 attribute_off(); 3660 } 3661 virt->number = from_top; 3662 } 3663 Position(window, window->LY, window->LX); 3664 } 3665 3666 void 3667 Position(window, row, col) /* position the cursor for output on the screen */ 3668 WINDOW *window; 3669 int row; 3670 int col; 3671 { 3672 int list[10]; 3673 int place; 3674 3675 int pos_row; 3676 int pos_column; 3677 3678 pos_row = row + window->SR; 3679 pos_column = col + window->SC; 3680 if ((pos_row != Curr_y) || (pos_column != Curr_x)) 3681 { 3682 if (String_table[cm__] != NULL) /* && (row < window->Num_lines) && (column < window->Num_cols))*/ 3683 { 3684 place = 0; 3685 list[place++] = pos_column; 3686 list[place++] = pos_row; 3687 String_Out(String_table[cm__], list, place); 3688 if ((STAND) && (!Booleans[ms__])) 3689 attribute_on(); 3690 } 3691 Curr_x = pos_column; 3692 Curr_y = pos_row; 3693 } 3694 } 3695 3696 void 3697 Char_del(line, attrib, offset, maxlen) /* delete chars from line */ 3698 char *line; 3699 char *attrib; 3700 int offset; 3701 int maxlen; 3702 { 3703 int one, two; 3704 3705 for (one = offset, two = offset+1; (line[one] != '\0') && (one < maxlen); one++, two++) 3706 { 3707 line[one] = line[two]; 3708 attrib[one] = attrib[two]; 3709 } 3710 String_Out(String_table[dc__], NULL, 0); 3711 } 3712 3713 void 3714 Char_ins(line, attrib, newc, newatt, offset, maxlen) /* insert chars in line */ 3715 char *line; 3716 char *attrib; 3717 char newc; 3718 char newatt; 3719 int offset; 3720 int maxlen; 3721 { 3722 int one, two; 3723 3724 one = 0; 3725 while ((line[one] != '\0') && (one < (maxlen - 2))) 3726 one++; 3727 for (two = one + 1; (two > offset); one--, two--) 3728 { 3729 line[two] = line[one]; 3730 attrib[two] = attrib[one]; 3731 } 3732 line[offset] = newc; 3733 attrib[offset] = newatt; 3734 Char_out(newc, newatt, line, attrib, offset); 3735 } 3736 3737 void 3738 attribute_on() 3739 { 3740 if (String_table[sa__]) 3741 { 3742 attributes_set[0] = 1; 3743 String_Out(String_table[sa__], attributes_set, 1); 3744 } 3745 else if (String_table[so__]) 3746 String_Out(String_table[so__], NULL, 0); 3747 } 3748 3749 void 3750 attribute_off() 3751 { 3752 if (String_table[me__]) 3753 String_Out(String_table[me__], NULL, 0); 3754 else if (String_table[sa__]) 3755 { 3756 attributes_set[0] = 0; 3757 String_Out(String_table[sa__], attributes_set, 1); 3758 } 3759 else if (String_table[se__]) 3760 String_Out(String_table[se__], NULL, 0); 3761 } 3762 3763 void 3764 Char_out(newc, newatt, line, attrib, offset) /* output character with proper attribute */ 3765 char newc; 3766 char newatt; 3767 char *line; 3768 char *attrib; 3769 int offset; 3770 { 3771 3772 3773 if ((newatt) && (!STAND)) 3774 { 3775 STAND = TRUE; 3776 attribute_on(); 3777 } 3778 else if ((STAND) && (!newatt)) 3779 { 3780 STAND = FALSE; 3781 attribute_off(); 3782 } 3783 3784 if ((newatt) && (STAND) && (Booleans[xs__])) 3785 { 3786 attribute_on(); 3787 } 3788 3789 if (!((Curr_y >= (LINES - 1)) && (Curr_x >= (COLS - 1)))) 3790 { 3791 putchar(newc); 3792 line[offset] = newc; 3793 attrib[offset] = newatt; 3794 } 3795 Curr_x++; 3796 } 3797 3798 /* 3799 | 3800 | The two routines that follow, nc_setattrib(), nc_clearattrib(), are 3801 | hacks that notify new_curse to handle characters that have the high 3802 | bit set as the first of two bytes of a multi-byte string. 3803 | 3804 */ 3805 3806 void 3807 nc_setattrib(flag) 3808 int flag; 3809 { 3810 nc_attributes |= flag; 3811 } 3812 3813 void 3814 nc_clearattrib(flag) 3815 int flag; 3816 { 3817 nc_attributes &= ~flag; 3818 } 3819 3820