Source:NetHack 3.2.0/pager.c
(Redirected from NetHack 3.2.0/pager.c)
Jump to navigation
Jump to search
Below is the full text to pager.c from the source code of NetHack 3.2.0. To link to a particular line, write [[NetHack 3.2.0/pager.c#line123]], for example.
Warning! This is the source code from an old release. For the latest release, see Source code
The NetHack General Public License applies to screenshots, source code and other content from NetHack.
This content was modified from the original NetHack source code distribution (by splitting up NetHack content between wiki pages, and possibly further editing). See the page history for a list of who changed it, and on what dates.
1. /* SCCS Id: @(#)pager.c 3.2 96/02/14 */ 2. /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */ 3. /* NetHack may be freely redistributed. See license for details. */ 4. 5. /* This file contains the command routines dowhatis() and dohelp() and */ 6. /* a few other help related facilities */ 7. 8. #include "hack.h" 9. #include "dlb.h" 10. 11. static boolean FDECL(is_swallow_sym, (int)); 12. static int FDECL(append_str, (char *, const char *)); 13. static void FDECL(lookat, (int, int, char *)); 14. static void FDECL(checkfile, (char *, BOOLEAN_P)); 15. static int FDECL(do_look, (BOOLEAN_P)); 16. static boolean FDECL(help_menu, (int *)); 17. #ifdef PORT_HELP 18. extern void NDECL(port_help); 19. #endif 20. 21. /* Returns "true" for characters that could represent a monster's stomach. */ 22. static boolean 23. is_swallow_sym(c) 24. int c; 25. { 26. int i; 27. for (i = S_sw_tl; i <= S_sw_br; i++) 28. if ((int)showsyms[i] == c) return TRUE; 29. return FALSE; 30. } 31. 32. /* 33. * Append new_str to the end of buf if new_str doesn't already exist as 34. * a substring of buf. Return 1 if the string was appended, 0 otherwise. 35. * It is expected that buf is of size BUFSZ. 36. */ 37. static int 38. append_str(buf, new_str) 39. char *buf; 40. const char *new_str; 41. { 42. int space_left; /* space remaining in buf */ 43. 44. if (strstri(buf, new_str)) return 0; 45. 46. space_left = BUFSZ - strlen(buf) - 1; 47. (void) strncat(buf, " or ", space_left); 48. (void) strncat(buf, new_str, space_left - 4); 49. return 1; 50. } 51. 52. /* 53. * Return the name of the glyph found at (x,y). 54. */ 55. static void 56. lookat(x, y, buf) 57. int x, y; 58. char *buf; 59. { 60. register struct monst *mtmp; 61. int glyph; 62. 63. buf[0] = 0; 64. glyph = glyph_at(x,y); 65. if (u.ux == x && u.uy == y && canseeself()) { 66. Sprintf(buf, "%s%s called %s", 67. Invis ? "invisible " : "", 68. u.mtimedone ? mons[u.umonnum].mname : player_mon()->mname, 69. plname); 70. } 71. else if (u.uswallow) { 72. /* all locations when swallowed other than the hero are the monster */ 73. Sprintf(buf, "interior of %s", 74. Blind ? "a monster" : a_monnam(u.ustuck)); 75. } 76. else if (glyph_is_monster(glyph)) { 77. bhitpos.x = x; 78. bhitpos.y = y; 79. mtmp = m_at(x,y); 80. if(mtmp != (struct monst *) 0) { 81. register boolean hp = (mtmp->data == &mons[PM_HIGH_PRIEST]); 82. 83. Sprintf(buf, "%s%s%s", 84. (mtmp->mx != x || mtmp->my != y) ? 85. ((mtmp->isshk && !Hallucination) 86. ? "tail of " : "tail of a ") : "", 87. (!hp && mtmp->mtame && !Hallucination) ? "tame " : 88. (!hp && mtmp->mpeaceful && !Hallucination) ? 89. "peaceful " : "", 90. (hp ? "high priest" : l_monnam(mtmp))); 91. if (u.ustuck == mtmp) 92. Strcat(buf, (Upolyd && sticks(uasmon)) ? 93. ", being held" : ", holding you"); 94. if (mtmp->mleashed) 95. Strcat(buf, ", leashed to you"); 96. } 97. } 98. else if (glyph_is_object(glyph)) { 99. struct obj *otmp = vobj_at(x,y); 100. 101. if(otmp == (struct obj *) 0 || otmp->otyp != glyph_to_obj(glyph)) { 102. if(glyph_to_obj(glyph) != STRANGE_OBJECT) { 103. otmp = mksobj(glyph_to_obj(glyph), FALSE, FALSE); 104. if(otmp->oclass == GOLD_CLASS) 105. otmp->quan = 2L; /* to force pluralization */ 106. else if (otmp->otyp == SLIME_MOLD) 107. otmp->spe = current_fruit; /* give the fruit a type */ 108. Strcpy(buf, distant_name(otmp, xname)); 109. dealloc_obj(otmp); 110. } 111. } else 112. Strcpy(buf, distant_name(otmp, xname)); 113. 114. if (levl[x][y].typ == STONE || levl[x][y].typ == SCORR) 115. Strcat(buf, " embedded in stone"); 116. else if (IS_WALL(levl[x][y].typ) || levl[x][y].typ == SDOOR) 117. Strcat(buf, " embedded in a wall"); 118. else if (closed_door(x,y)) 119. Strcat(buf, " embedded in a door"); 120. else if (is_pool(x,y)) 121. Strcat(buf, " in water"); 122. else if (is_lava(x,y)) 123. Strcat(buf, " in molten lava"); /* [can this ever happen?] */ 124. } 125. else if (glyph_is_trap(glyph)) { 126. int tnum = glyph_to_trap(glyph); 127. Strcpy(buf, defsyms[ 128. trap_to_defsym(Hallucination ? rn2(TRAPNUM-3)+3 : tnum)].explanation); 129. } 130. else if(!glyph_is_cmap(glyph)) 131. Strcpy(buf,"dark part of a room"); 132. else switch(glyph_to_cmap(glyph)) { 133. case S_altar: 134. if(!In_endgame(&u.uz)) 135. Sprintf(buf, "%s altar", 136. align_str(Amask2align(levl[x][y].altarmask & ~AM_SHRINE))); 137. else Sprintf(buf, "aligned altar"); 138. break; 139. case S_ndoor: 140. if (is_drawbridge_wall(x, y) >= 0) 141. Strcpy(buf,"open drawbridge portcullis"); 142. else if ((levl[x][y].doormask & ~D_TRAPPED) == D_BROKEN) 143. Strcpy(buf,"broken door"); 144. else 145. Strcpy(buf,"doorway"); 146. break; 147. case S_cloud: 148. Strcpy(buf, Is_airlevel(&u.uz) ? "cloudy area" : "fog/vapor cloud"); 149. break; 150. default: 151. Strcpy(buf,defsyms[glyph_to_cmap(glyph)].explanation); 152. break; 153. } 154. } 155. 156. /* 157. * Look in the "data" file for more info. Called if the user typed in the 158. * whole name (user_typed_name == TRUE), or we've found a possible match 159. * with a character/glyph and flags.help is TRUE. 160. * 161. * NOTE: when (user_typed_name == FALSE), inp is considered read-only and 162. * must not be changed directly, e.g. via lcase(). We want to force 163. * lcase() for data.base lookup so that we can have a clean key. 164. * Therefore, we create a copy of inp _just_ for data.base lookup. 165. */ 166. static void 167. checkfile(inp, user_typed_name) 168. char *inp; 169. boolean user_typed_name; 170. { 171. dlb *fp; 172. char buf[BUFSZ], newstr[BUFSZ]; 173. char *ep, *dbase_str; 174. long txt_offset; 175. int chk_skip; 176. boolean found_in_file = FALSE, skipping_entry = FALSE; 177. 178. fp = dlb_fopen(DATAFILE, "r"); 179. if (!fp) { 180. pline("Cannot open data file!"); 181. return; 182. } 183. 184. /* To prevent the need for entries in data.base like *ngel to account 185. * for Angel and angel, make the lookup string the same for both 186. * user_typed_name and picked name. 187. */ 188. dbase_str = strcpy(newstr, inp); 189. (void) lcase(dbase_str); 190. 191. if (!strncmp(dbase_str, "interior of ", 12)) 192. dbase_str += 12; 193. if (!strncmp(dbase_str, "a ", 2)) 194. dbase_str += 2; 195. else if (!strncmp(dbase_str, "an ", 3)) 196. dbase_str += 3; 197. else if (!strncmp(dbase_str, "the ", 4)) 198. dbase_str += 4; 199. if (!strncmp(dbase_str, "tame ", 5)) 200. dbase_str += 5; 201. else if (!strncmp(dbase_str, "peaceful ", 9)) 202. dbase_str += 9; 203. if (!strncmp(dbase_str, "invisible ", 10)) 204. dbase_str += 10; 205. 206. /* Make sure the name is non-empty. */ 207. if (*dbase_str) { 208. /* adjust the input to remove "named " and convert to lower case */ 209. char *alt = 0; /* alternate description */ 210. if ((ep = strstri(dbase_str, " named ")) != 0) 211. alt = ep + 7; 212. else 213. ep = strstri(dbase_str, " called "); 214. if (ep) *ep = '\0'; 215. 216. /* 217. * If the object is named, then the name is the alternate description; 218. * otherwise, the result of makesingular() applied to the name is. This 219. * isn't strictly optimal, but named objects of interest to the user 220. * will usually be found under their name, rather than under their 221. * object type, so looking for a singular form is pointless. 222. */ 223. 224. if (!alt) 225. alt = makesingular(dbase_str); 226. else 227. if (user_typed_name) 228. (void) lcase(alt); 229. 230. /* skip first record; read second */ 231. txt_offset = 0L; 232. if (!dlb_fgets(buf, BUFSZ, fp) || !dlb_fgets(buf, BUFSZ, fp)) { 233. impossible("can't read 'data' file"); 234. (void) dlb_fclose(fp); 235. return; 236. } else if (sscanf(buf, "%8lx\n", &txt_offset) < 1 || txt_offset <= 0) 237. goto bad_data_file; 238. 239. /* look for the appropriate entry */ 240. while (dlb_fgets(buf,BUFSZ,fp)) { 241. if (*buf == '.') break; /* we passed last entry without success */ 242. 243. if (digit(*buf)) { 244. /* a number indicates the end of current entry */ 245. skipping_entry = FALSE; 246. } else if (!skipping_entry) { 247. if (!(ep = index(buf, '\n'))) goto bad_data_file; 248. *ep = 0; 249. /* if we match a key that begins with "~", skip this entry */ 250. chk_skip = (*buf == '~') ? 1 : 0; 251. if (pmatch(&buf[chk_skip], dbase_str) || 252. (alt && pmatch(&buf[chk_skip], alt))) { 253. if (chk_skip) { 254. skipping_entry = TRUE; 255. continue; 256. } else { 257. found_in_file = TRUE; 258. break; 259. } 260. } 261. } 262. } 263. } 264. 265. if(found_in_file) { 266. long entry_offset; 267. int entry_count; 268. int i; 269. 270. /* skip over other possible matches for the info */ 271. do { 272. if (!dlb_fgets(buf, BUFSZ, fp)) goto bad_data_file; 273. } while (!digit(*buf)); 274. if (sscanf(buf, "%ld,%d\n", &entry_offset, &entry_count) < 2) { 275. bad_data_file: impossible("'data' file in wrong format"); 276. (void) dlb_fclose(fp); 277. return; 278. } 279. 280. if (user_typed_name || yn("More info?") == 'y') { 281. winid datawin; 282. 283. if (dlb_fseek(fp, txt_offset + entry_offset, SEEK_SET) < 0) { 284. pline("? Seek error on 'data' file!"); 285. (void) dlb_fclose(fp); 286. return; 287. } 288. datawin = create_nhwindow(NHW_MENU); 289. for (i = 0; i < entry_count; i++) { 290. if (!dlb_fgets(buf, BUFSZ, fp)) goto bad_data_file; 291. if ((ep = index(buf, '\n')) != 0) *ep = 0; 292. if (index(buf+1, '\t') != 0) (void) tabexpand(buf+1); 293. putstr(datawin, 0, buf+1); 294. } 295. display_nhwindow(datawin, FALSE); 296. destroy_nhwindow(datawin); 297. } 298. } else if (user_typed_name) 299. pline("I don't have any information on those things."); 300. 301. (void) dlb_fclose(fp); 302. } 303. 304. static int 305. do_look(quick) 306. boolean quick; /* use cursor && don't search for "more info" */ 307. { 308. char out_str[BUFSZ], look_buf[BUFSZ]; 309. const char *x_str, *firstmatch = 0; 310. int i; 311. int sym; /* typed symbol or converted glyph */ 312. int found; /* count of matching syms found */ 313. coord cc; /* screen pos of unknown glyph */ 314. boolean save_verbose; /* saved value of flags.verbose */ 315. boolean from_screen; /* question from the screen */ 316. boolean need_to_look; /* need to get explan. from glyph */ 317. boolean hit_trap; /* true if found trap explanation */ 318. int skipped_venom = 0; /* non-zero if we ignored "splash of venom" */ 319. static const char *mon_interior = "the interior of a monster"; 320. 321. if (quick) { 322. from_screen = TRUE; /* yes, we want to use the cursor */ 323. } else { 324. i = ynq("Specify unknown object by cursor?"); 325. if (i == 'q') return 0; 326. from_screen = (i == 'y'); 327. } 328. 329. if (from_screen) { 330. cc.x = u.ux; 331. cc.y = u.uy; 332. sym = 0; /* gcc -Wall lint */ 333. } else { 334. getlin("Specify what? (type the word)", out_str); 335. if (out_str[0] == '\0' || out_str[0] == '\033') 336. return 0; 337. 338. if (out_str[1]) { /* user typed in a complete string */ 339. checkfile(out_str, TRUE); 340. return 0; 341. } 342. sym = out_str[0]; 343. } 344. 345. /* Save the verbose flag, we change it later. */ 346. save_verbose = flags.verbose; 347. flags.verbose = flags.verbose && !quick; 348. /* 349. * The user typed one letter, or we're identifying from the screen. 350. */ 351. do { 352. /* Reset some variables. */ 353. need_to_look = FALSE; 354. found = 0; 355. out_str[0] = '\0'; 356. 357. if (from_screen) { 358. int glyph; /* glyph at selected position */ 359. 360. if (flags.verbose) 361. pline("Please move the cursor to an unknown object."); 362. else 363. pline("Pick an object."); 364. 365. getpos(&cc, FALSE, "an unknown object"); 366. if (cc.x < 0) { 367. flags.verbose = save_verbose; 368. return 0; /* done */ 369. } 370. flags.verbose = FALSE; /* only print long question once */ 371. 372. /* Convert the glyph at the selected position to a symbol. */ 373. glyph = glyph_at(cc.x,cc.y); 374. if (glyph_is_cmap(glyph)) { 375. sym = showsyms[glyph_to_cmap(glyph)]; 376. } else if (glyph_is_trap(glyph)) { 377. sym = showsyms[trap_to_defsym(glyph_to_trap(glyph))]; 378. } else if (glyph_is_object(glyph)) { 379. sym = oc_syms[(int)objects[glyph_to_obj(glyph)].oc_class]; 380. } else if (glyph_is_monster(glyph)) { 381. sym = monsyms[(int)mons[glyph_to_mon(glyph)].mlet]; 382. } else if (glyph_is_swallow(glyph)) { 383. sym = showsyms[glyph_to_swallow(glyph)+S_sw_tl]; 384. } else { 385. impossible("do_look: bad glyph %d at (%d,%d)", 386. glyph, (int)cc.x, (int)cc.y); 387. sym = ' '; 388. } 389. } 390. 391. /* 392. * Check all the possibilities, saving all explanations in a buffer. 393. * When all have been checked then the string is printed. 394. */ 395. 396. /* Check for monsters */ 397. for (i = 0; i < MAXMCLASSES; i++) { 398. if (sym == (from_screen ? monsyms[i] : def_monsyms[i])) { 399. need_to_look = TRUE; 400. if (!found) { 401. Sprintf(out_str, "%c %s", sym, an(monexplain[i])); 402. firstmatch = monexplain[i]; 403. found++; 404. } else { 405. found += append_str(out_str, an(monexplain[i])); 406. } 407. } 408. } 409. 410. /* 411. * Special case: if identifying from the screen, and we're swallowed, 412. * and looking at something other than our own symbol, then just say 413. * "the interior of a monster". 414. */ 415. if (u.uswallow && from_screen && is_swallow_sym(sym)) { 416. if (!found) { 417. Sprintf(out_str, "%c %s", sym, mon_interior); 418. firstmatch = mon_interior; 419. } else { 420. found += append_str(out_str, mon_interior); 421. } 422. need_to_look = TRUE; 423. } 424. 425. /* Now check for objects */ 426. for (i = 1; i < MAXOCLASSES; i++) { 427. if (sym == (from_screen ? oc_syms[i] : def_oc_syms[i])) { 428. need_to_look = TRUE; 429. if (from_screen && i == VENOM_CLASS) { 430. skipped_venom++; 431. continue; 432. } 433. if (!found) { 434. Sprintf(out_str, "%c %s", sym, an(objexplain[i])); 435. firstmatch = objexplain[i]; 436. found++; 437. } else { 438. found += append_str(out_str, an(objexplain[i])); 439. } 440. } 441. } 442. 443. #define is_cmap_trap(i) ((i) >= S_arrow_trap && (i) <= S_polymorph_trap) 444. #define is_cmap_drawbridge(i) ((i) >= S_vodbridge && (i) <= S_hcdbridge) 445. 446. /* Now check for graphics symbols */ 447. for (hit_trap = FALSE, i = 0; i < MAXPCHARS; i++) { 448. x_str = defsyms[i].explanation; 449. if (sym == (from_screen ? showsyms[i] : defsyms[i].sym) && *x_str) { 450. /* avoid "an air", "a water", or "a floor of a room" */ 451. int article = (i == S_room) ? 2 : /* 2=>"the" */ 452. !(strcmp(x_str, "air") == 0 || /* 1=>"an" */ 453. strcmp(x_str, "water") == 0); /* 0=>(none)*/ 454. 455. if (!found) { 456. if (is_cmap_trap(i)) { 457. Sprintf(out_str, "%c a trap", sym); 458. hit_trap = TRUE; 459. } else { 460. Sprintf(out_str, "%c %s", sym, 461. article == 2 ? the(x_str) : 462. article == 1 ? an(x_str) : x_str); 463. } 464. firstmatch = x_str; 465. found++; 466. } else if (!u.uswallow && !(hit_trap && is_cmap_trap(i)) && 467. !(found >= 3 && is_cmap_drawbridge(i))) { 468. found += append_str(out_str, 469. article == 2 ? the(x_str) : 470. article == 1 ? an(x_str) : x_str); 471. if (is_cmap_trap(i)) hit_trap = TRUE; 472. } 473. 474. if (i == S_altar || is_cmap_trap(i)) 475. need_to_look = TRUE; 476. } 477. } 478. 479. /* if we ignored venom and list turned out to be short, put it back */ 480. if (skipped_venom && found < 2) { 481. x_str = objexplain[VENOM_CLASS]; 482. if (!found) { 483. Sprintf(out_str, "%c %s", sym, an(x_str)); 484. firstmatch = x_str; 485. found++; 486. } else { 487. found += append_str(out_str, an(x_str)); 488. } 489. } 490. 491. /* 492. * If we are looking at the screen, follow multiple posibilities or 493. * an ambigious explanation by something more detailed. 494. */ 495. if (from_screen) { 496. if (found > 1 || need_to_look) { 497. lookat(cc.x, cc.y, look_buf); 498. firstmatch = look_buf; 499. if (*firstmatch) { 500. char temp_buf[BUFSZ]; 501. Sprintf(temp_buf, " (%s)", firstmatch); 502. (void)strncat(out_str, temp_buf, BUFSZ-strlen(out_str)-1); 503. found = 1; /* we have something to look up */ 504. } 505. } 506. } 507. 508. /* Finally, print out our explanation. */ 509. if (found) { 510. pline(out_str); 511. /* check the data file for information about this thing */ 512. if (found == 1 && !quick && flags.help) { 513. char temp_buf[BUFSZ]; 514. Strcpy(temp_buf, firstmatch); 515. checkfile(temp_buf, FALSE); 516. } 517. } else { 518. pline("I've never heard of such things."); 519. } 520. 521. } while (from_screen && !quick); 522. 523. flags.verbose = save_verbose; 524. return 0; 525. } 526. 527. 528. int 529. dowhatis() 530. { 531. return do_look(FALSE); 532. } 533. 534. int 535. doquickwhatis() 536. { 537. return do_look(TRUE); 538. } 539. 540. int 541. doidtrap() 542. { 543. register struct trap *trap; 544. int x, y, tt; 545. 546. if (!getdir((char *)0)) return 0; 547. x = u.ux + u.dx; 548. y = u.uy + u.dy; 549. for (trap = ftrap; trap; trap = trap->ntrap) 550. if (trap->tx == x && trap->ty == y) { 551. if (!trap->tseen) break; 552. tt = trap->ttyp; 553. if (u.dz) { 554. if (u.dz < 0 ? (tt == TRAPDOOR || tt == HOLE) : 555. tt == ROCKTRAP) break; 556. } 557. if (Hallucination) tt = rn1(TRAPNUM-3, 3); 558. pline("That is %s%s%s.", 559. an(defsyms[trap_to_defsym(tt)].explanation), 560. !trap->madeby_u ? "" : (tt == WEB) ? " woven" : 561. /* trap doors & spiked pits can't be made by 562. player, and should be considered at least 563. as much "set" as "dug" anyway */ 564. (tt == HOLE || tt == PIT) ? " dug" : " set", 565. !trap->madeby_u ? "" : " by you"); 566. return 0; 567. } 568. pline("I can't see a trap there."); 569. return 0; 570. } 571. 572. int 573. dowhatdoes() 574. { 575. dlb *fp; 576. char bufr[BUFSZ+6]; 577. register char *buf = &bufr[6], *ep, q, ctrl, meta; 578. 579. fp = dlb_fopen(CMDHELPFILE, "r"); 580. if (!fp) { 581. pline("Cannot open data file!"); 582. return 0; 583. } 584. 585. #if defined(UNIX) || defined(VMS) 586. introff(); 587. #endif 588. q = yn_function("What command?", (char *)0, '\0'); 589. #if defined(UNIX) || defined(VMS) 590. intron(); 591. #endif 592. ctrl = ((q <= '\033') ? (q - 1 + 'A') : 0); 593. meta = ((0x80 & q) ? (0x7f & q) : 0); 594. while(dlb_fgets(buf,BUFSZ,fp)) 595. if ((ctrl && *buf=='^' && *(buf+1)==ctrl) || 596. (meta && *buf=='M' && *(buf+1)=='-' && *(buf+2)==meta) || 597. *buf==q) { 598. ep = index(buf, '\n'); 599. if(ep) *ep = 0; 600. if (ctrl && buf[2] == '\t'){ 601. buf = bufr + 1; 602. (void) strncpy(buf, "^? ", 8); 603. buf[1] = ctrl; 604. } else if (meta && buf[3] == '\t'){ 605. buf = bufr + 2; 606. (void) strncpy(buf, "M-? ", 8); 607. buf[2] = meta; 608. } else if(buf[1] == '\t'){ 609. buf = bufr; 610. buf[0] = q; 611. (void) strncpy(buf+1, " ", 7); 612. } 613. pline("%s", buf); 614. (void) dlb_fclose(fp); 615. return 0; 616. } 617. pline("I've never heard of such commands."); 618. (void) dlb_fclose(fp); 619. return 0; 620. } 621. 622. /* data for help_menu() */ 623. static const char *help_menu_items[] = { 624. /* 0*/ "Long description of the game and commands.", 625. /* 1*/ "List of game commands.", 626. /* 2*/ "Concise history of NetHack.", 627. /* 3*/ "Info on a character in the game display.", 628. /* 4*/ "Info on what a given key does.", 629. /* 5*/ "List of game options.", 630. /* 6*/ "Longer explanation of game options.", 631. /* 7*/ "List of extended commands.", 632. /* 8*/ "The NetHack license.", 633. #ifdef PORT_HELP 634. "%s-specific help and commands.", 635. #define PORT_HELP_ID 100 636. #define WIZHLP_SLOT 10 637. #else 638. #define WIZHLP_SLOT 9 639. #endif 640. #ifdef WIZARD 641. "List of wizard-mode commands.", 642. #endif 643. "", 644. (char *)0 645. }; 646. 647. static boolean 648. help_menu(sel) 649. int *sel; 650. { 651. winid tmpwin = create_nhwindow(NHW_MENU); 652. #ifdef PORT_HELP 653. char helpbuf[QBUFSZ]; 654. #endif 655. int i, n; 656. menu_item *selected; 657. anything any; 658. 659. any.a_void = 0; /* zero all bits */ 660. start_menu(tmpwin); 661. #ifdef WIZARD 662. if (!wizard) help_menu_items[WIZHLP_SLOT] = "", 663. help_menu_items[WIZHLP_SLOT+1] = (char *)0; 664. #endif 665. for (i = 0; help_menu_items[i]; i++) 666. #ifdef PORT_HELP 667. /* port-specific line has a %s in it for the PORT_ID */ 668. if (help_menu_items[i][0] == '%') { 669. Sprintf(helpbuf, help_menu_items[i], PORT_ID); 670. any.a_int = PORT_HELP_ID + 1; 671. add_menu(tmpwin, NO_GLYPH, &any, 0, ATR_NONE, 672. helpbuf, MENU_UNSELECTED); 673. } else 674. #endif 675. { 676. any.a_int = (*help_menu_items[i]) ? i+1 : 0; 677. add_menu(tmpwin, NO_GLYPH, &any, 0, 678. ATR_NONE, help_menu_items[i], MENU_UNSELECTED); 679. } 680. end_menu(tmpwin, "Select one item:"); 681. n = select_menu(tmpwin, PICK_ONE, &selected); 682. destroy_nhwindow(tmpwin); 683. if (n > 0) { 684. *sel = selected[0].item.a_int - 1; 685. free((genericptr_t)selected); 686. return TRUE; 687. } 688. return FALSE; 689. } 690. 691. int 692. dohelp() 693. { 694. int sel = 0; 695. 696. if (help_menu(&sel)) { 697. switch (sel) { 698. case 0: display_file(HELP, TRUE); break; 699. case 1: display_file(SHELP, TRUE); break; 700. case 2: (void) dohistory(); break; 701. case 3: (void) dowhatis(); break; 702. case 4: (void) dowhatdoes(); break; 703. case 5: option_help(); break; 704. case 6: display_file(OPTIONFILE, TRUE); break; 705. case 7: (void) doextlist(); break; 706. case 8: display_file(LICENSE, TRUE); break; 707. #ifdef WIZARD 708. /* handle slot 9 or 10 */ 709. default: display_file(DEBUGHELP, TRUE); break; 710. #endif 711. #ifdef PORT_HELP 712. case PORT_HELP_ID: port_help(); break; 713. #endif 714. } 715. } 716. return 0; 717. } 718. 719. int 720. dohistory() 721. { 722. display_file(HISTORY, TRUE); 723. return 0; 724. } 725. 726. /*pager.c*/
