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Below is the full text to termcap.c from the source code of NetHack 1.3d. To link to a particular line, write [[NetHack 1.3d/termcap.c#line123]], for example. Warning! This is the source code from an old release. For the latest release, see Source code

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  • Source:NetHack 1.3d/termcap.c
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  • Below is the full text to termcap.c from the source code of NetHack 1.3d. To link to a particular line, write [[NetHack 1.3d/termcap.c#line123]], for example. Warning! This is the source code from an old release. For the latest release, see Source code
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  • Below is the full text to termcap.c from the source code of NetHack 1.3d. To link to a particular line, write [[NetHack 1.3d/termcap.c#line123]], for example. Warning! This is the source code from an old release. For the latest release, see Source code 1. /* SCCS Id: @(#)termcap.c 1.3 87/07/14 2. /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */ 3. /* termcap.c - version 1.0.3 */ 4. 5. #include 6. #include "config.h" /* for ROWNO and COLNO */ 7. #include "hack.h" /* for *HI, *HE */ 8. extern char *tgetstr(), *tgoto(), *getenv(); 9. extern long *alloc(); 10. 11. #ifndef lint 12. extern /* it is defined in libtermlib (libtermcap) */ 13. #endif 14. short ospeed; /* terminal baudrate; used by tputs */ 15. static char tbuf[512]; 16. static char *HO, *CL, *CE, *UP, *CM, *ND, *XD, *BC, *SO, *SE, *TI, *TE; 17. static char *VS, *VE; 18. static int SG; 19. static char PC = '\0'; 20. char *CD; /* tested in pri.c: docorner() */ 21. int CO, LI; /* used in pri.c and whatis.c */ 22. 23. #ifdef MSDOS 24. static char tgotobuf[20]; 25. #define tgoto(fmt, x, y) (sprintf(tgotobuf, fmt, y+1, x+1), tgotobuf) 26. #endif /* MSDOS /**/ 27. 28. startup() 29. { 30. #ifdef MSDOS 31. HO = "\033[H"; 32. CL = "\033[2J"; 33. CE = "\033[K"; 34. UP = "\033[1A"; 35. CM = "\033[%d;%dH"; /* used with function tgoto() */ 36. ND = "\033[1C"; 37. XD = "\033[1B"; 38. BC = "\033[1D"; 39. SO = "\033[7m"; 40. SE = "\033[0m"; 41. TI = TE = VS = VE = ""; 42. CD = "\033"; 43. CO = COLNO; 44. LI = ROWNO; 45. #if defined(DGK) || defined(SORTING) 46. /* Both HI and HE have 4 characters. The function let_to_name() 47. * in msdos.c uses this length when creating a buffer. If you 48. * make HI and HE longer, you must also change the length of buf[] 49. * in let_to_name() 50. */ 51. HI = "\033[4m"; 52. HE = "\033[0m"; 53. #endif 54. #else 55. register char *term; 56. register char *tptr; 57. char *tbufptr, *pc; 58. 59. tptr = (char *) alloc(1024); 60. 61. tbufptr = tbuf; 62. if(!(term = getenv("TERM"))) 63. error("Can't get TERM."); 64. if(!strncmp(term, "5620", 4)) 65. flags.nonull = 1; /* this should be a termcap flag */ 66. if(tgetent(tptr, term) < 1) 67. error("Unknown terminal type: %s.", term); 68. if(pc = tgetstr("pc", &tbufptr)) 69. PC = *pc; 70. if(!(BC = tgetstr("bc", &tbufptr))) { 71. if(!tgetflag("bs")) 72. error("Terminal must backspace."); 73. BC = tbufptr; 74. tbufptr += 2; 75. *BC = '\b'; 76. } 77. HO = tgetstr("ho", &tbufptr); 78. CO = tgetnum("co"); 79. LI = tgetnum("li"); 80. if(CO < COLNO || LI < ROWNO+2) 81. setclipped(); 82. if(!(CL = tgetstr("cl", &tbufptr))) 83. error("Hack needs CL."); 84. ND = tgetstr("nd", &tbufptr); 85. if(tgetflag("os")) 86. error("Hack can't have OS."); 87. CE = tgetstr("ce", &tbufptr); 88. UP = tgetstr("up", &tbufptr); 89. /* It seems that xd is no longer supported, and we should use 90. a linefeed instead; unfortunately this requires resetting 91. CRMOD, and many output routines will have to be modified 92. slightly. Let's leave that till the next release. */ 93. XD = tgetstr("xd", &tbufptr); 94. /* not: XD = tgetstr("do", &tbufptr); */ 95. if(!(CM = tgetstr("cm", &tbufptr))) { 96. if(!UP && !HO) 97. error("Hack needs CM or UP or HO."); 98. printf("Playing hack on terminals without cm is suspect... "); 99. getret(); 100. } 101. SO = tgetstr("so", &tbufptr); 102. SE = tgetstr("se", &tbufptr); 103. SG = tgetnum("sg"); /* -1: not fnd; else # of spaces left by so */ 104. if(!SO || !SE || (SG > 0)) SO = SE = 0; 105. #ifdef SORTING 106. HI = SO; /* I know... Its a kluge. (MRS) */ 107. HE = SE; 108. #endif 109. CD = tgetstr("cd", &tbufptr); 110. set_whole_screen(); /* uses LI and CD */ 111. if(tbufptr-tbuf > sizeof(tbuf)) error("TERMCAP entry too big... "); 112. free(tptr); 113. #endif /* MSDOS /**/ 114. } 115. 116. start_screen() 117. { 118. xputs(TI); 119. xputs(VS); 120. #ifdef DGK 121. /* Select normal ASCII and line drawing character sets. 122. */ 123. if (flags.DECRainbow) 124. xputs("\033(B\033)0"); 125. #endif 126. } 127. 128. end_screen() 129. { 130. clear_screen(); 131. xputs(VE); 132. xputs(TE); 133. } 134. 135. /* Cursor movements */ 136. extern xchar curx, cury; 137. 138. curs(x, y) 139. register int x, y; /* not xchar: perhaps xchar is unsigned and 140. curx-x would be unsigned as well */ 141. { 142. 143. if (y == cury && x == curx) 144. return; 145. if(!ND && (curx != x || x <= 3)) { /* Extremely primitive */ 146. cmov(x, y); /* bunker!wtm */ 147. return; 148. } 149. if(abs(cury-y) <= 3 && abs(curx-x) <= 3) 150. nocmov(x, y); 151. else if((x <= 3 && abs(cury-y)<= 3) || (!CM && x 152. (void) putchar(''); 153. curx = 1; 154. nocmov(x, y); 155. } else if(!CM) { 156. nocmov(x, y); 157. } else 158. cmov(x, y); 159. } 160. 161. nocmov(x, y) 162. { 163. if (cury > y) { 164. if(UP) { 165. while (cury > y) { /* Go up. */ 166. xputs(UP); 167. cury--; 168. } 169. } else if(CM) { 170. cmov(x, y); 171. } else if(HO) { 172. home(); 173. curs(x, y); 174. } /* else impossible("..."); */ 175. } else if (cury < y) { 176. if(XD) { 177. while(cury < y) { 178. xputs(XD); 179. cury++; 180. } 181. } else if(CM) { 182. cmov(x, y); 183. } else { 184. while(cury < y) { 185. xputc(' '); 186. curx = 1; 187. cury++; 188. } 189. } 190. } 191. if (curx < x) { /* Go to the right. */ 192. if(!ND) cmov(x, y); else /* bah */ 193. /* should instead print what is there already */ 194. while (curx < x) { 195. xputs(ND); 196. curx++; 197. } 198. } else if (curx > x) { 199. while (curx > x) { /* Go to the left. */ 200. xputs(BC); 201. curx--; 202. } 203. } 204. } 205. 206. cmov(x, y) 207. register x, y; 208. { 209. xputs(tgoto(CM, x-1, y-1)); 210. cury = y; 211. curx = x; 212. } 213. 214. xputc(c) char c; { 215. (void) fputc(c, stdout); 216. } 217. 218. xputs(s) char *s; { 219. #ifdef MSDOS 220. fputs(s, stdout); 221. #else 222. tputs(s, 1, xputc); 223. #endif 224. } 225. 226. cl_end() { 227. if(CE) 228. xputs(CE); 229. else { /* no-CE fix - free after Harold Rynes */ 230. /* this looks terrible, especially on a slow terminal 231. but is better than nothing */ 232. register cx = curx, cy = cury; 233. 234. while(curx < COLNO) { 235. xputc(' '); 236. curx++; 237. } 238. curs(cx, cy); 239. } 240. } 241. 242. clear_screen() { 243. xputs(CL); 244. xputs(HO); 245. curx = cury = 1; 246. } 247. 248. home() 249. { 250. if(HO) 251. xputs(HO); 252. else if(CM) 253. xputs(tgoto(CM, 0, 0)); 254. else 255. curs(1, 1); /* using UP ... */ 256. curx = cury = 1; 257. } 258. 259. standoutbeg() 260. { 261. if(SO) xputs(SO); 262. } 263. 264. standoutend() 265. { 266. if(SE) xputs(SE); 267. } 268. 269. backsp() 270. { 271. xputs(BC); 272. curx--; 273. } 274. 275. bell() 276. { 277. #ifdef DGKMOD 278. if (flags.silent) return; 279. #endif /* DGKMOD /**/ 280. (void) putchar('\007'); /* curx does not change */ 281. (void) fflush(stdout); 282. } 283. 284. static short tmspc10[] = { /* from termcap */ 285. 0, 2000, 1333, 909, 743, 666, 500, 333, 166, 83, 55, 41, 20, 10, 5 286. }; 287. 288. delay_output() { 289. /* delay 50 ms - could also use a 'nap'-system call */ 290. /* BUG: if the padding character is visible, as it is on the 5620 291. then this looks terrible. */ 292. #ifdef MSDOS 293. /* simulate the delay with "cursor here" */ 294. register i; 295. for (i = 0; i < 3; i++) { 296. cmov(curx, cury); 297. (void) fflush(stdout); 298. } 299. #else 300. if(!flags.nonull) 301. tputs("50", 1, xputc); 302. 303. /* cbosgd!cbcephus!pds for SYS V R2 */ 304. /* is this terminfo, or what? */ 305. /* tputs("$<50>", 1, xputc); */ 306. 307. else if(ospeed > 0 || ospeed < SIZE(tmspc10)) if(CM) { 308. /* delay by sending cm(here) an appropriate number of times */ 309. register int cmlen = strlen(tgoto(CM, curx-1, cury-1)); 310. register int i = 500 + tmspc10[ospeed]/2; 311. 312. while(i > 0) { 313. cmov(curx, cury); 314. i -= cmlen*tmspc10[ospeed]; 315. } 316. } 317. #endif /* MSDOS /**/ 318. } 319. 320. cl_eos() /* free after Robert Viduya */ 321. { /* must only be called with curx = 1 */ 322. 323. if(CD) 324. xputs(CD); 325. else { 326. register int cx = curx, cy = cury; 327. while(cury <= LI-2) { 328. cl_end(); 329. xputc(' '); 330. curx = 1; 331. cury++; 332. } 333. cl_end(); 334. curs(cx, cy); 335. } 336. }
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