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util.c 18 KB

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  1. /*
  2. * util.c
  3. *
  4. * ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
  5. * MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com)
  6. *
  7. * This program is free software; you can redistribute it and/or
  8. * modify it under the terms of the GNU General Public License
  9. * as published by the Free Software Foundation; either version 2
  10. * of the License, or (at your option) any later version.
  11. *
  12. * This program is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15. * GNU General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU General Public License
  18. * along with this program; if not, write to the Free Software
  19. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20. */
  21. #include <stdarg.h>
  22. #include "dialog.h"
  23. /* Needed in signal handler in mconf.c */
  24. int saved_x, saved_y;
  25. struct dialog_info dlg;
  26. static void set_mono_theme(void)
  27. {
  28. dlg.screen.atr = A_NORMAL;
  29. dlg.shadow.atr = A_NORMAL;
  30. dlg.dialog.atr = A_NORMAL;
  31. dlg.title.atr = A_BOLD;
  32. dlg.border.atr = A_NORMAL;
  33. dlg.button_active.atr = A_REVERSE;
  34. dlg.button_inactive.atr = A_DIM;
  35. dlg.button_key_active.atr = A_REVERSE;
  36. dlg.button_key_inactive.atr = A_BOLD;
  37. dlg.button_label_active.atr = A_REVERSE;
  38. dlg.button_label_inactive.atr = A_NORMAL;
  39. dlg.inputbox.atr = A_NORMAL;
  40. dlg.inputbox_border.atr = A_NORMAL;
  41. dlg.searchbox.atr = A_NORMAL;
  42. dlg.searchbox_title.atr = A_BOLD;
  43. dlg.searchbox_border.atr = A_NORMAL;
  44. dlg.position_indicator.atr = A_BOLD;
  45. dlg.menubox.atr = A_NORMAL;
  46. dlg.menubox_border.atr = A_NORMAL;
  47. dlg.item.atr = A_NORMAL;
  48. dlg.item_selected.atr = A_REVERSE;
  49. dlg.tag.atr = A_BOLD;
  50. dlg.tag_selected.atr = A_REVERSE;
  51. dlg.tag_key.atr = A_BOLD;
  52. dlg.tag_key_selected.atr = A_REVERSE;
  53. dlg.check.atr = A_BOLD;
  54. dlg.check_selected.atr = A_REVERSE;
  55. dlg.uarrow.atr = A_BOLD;
  56. dlg.darrow.atr = A_BOLD;
  57. }
  58. #define DLG_COLOR(dialog, f, b, h) \
  59. do { \
  60. dlg.dialog.fg = (f); \
  61. dlg.dialog.bg = (b); \
  62. dlg.dialog.hl = (h); \
  63. } while (0)
  64. static void set_classic_theme(void)
  65. {
  66. DLG_COLOR(screen, COLOR_CYAN, COLOR_BLUE, true);
  67. DLG_COLOR(shadow, COLOR_BLACK, COLOR_BLACK, true);
  68. DLG_COLOR(dialog, COLOR_BLACK, COLOR_WHITE, false);
  69. DLG_COLOR(title, COLOR_YELLOW, COLOR_WHITE, true);
  70. DLG_COLOR(border, COLOR_WHITE, COLOR_WHITE, true);
  71. DLG_COLOR(button_active, COLOR_WHITE, COLOR_BLUE, true);
  72. DLG_COLOR(button_inactive, COLOR_BLACK, COLOR_WHITE, false);
  73. DLG_COLOR(button_key_active, COLOR_WHITE, COLOR_BLUE, true);
  74. DLG_COLOR(button_key_inactive, COLOR_RED, COLOR_WHITE, false);
  75. DLG_COLOR(button_label_active, COLOR_YELLOW, COLOR_BLUE, true);
  76. DLG_COLOR(button_label_inactive, COLOR_BLACK, COLOR_WHITE, true);
  77. DLG_COLOR(inputbox, COLOR_BLACK, COLOR_WHITE, false);
  78. DLG_COLOR(inputbox_border, COLOR_BLACK, COLOR_WHITE, false);
  79. DLG_COLOR(searchbox, COLOR_BLACK, COLOR_WHITE, false);
  80. DLG_COLOR(searchbox_title, COLOR_YELLOW, COLOR_WHITE, true);
  81. DLG_COLOR(searchbox_border, COLOR_WHITE, COLOR_WHITE, true);
  82. DLG_COLOR(position_indicator, COLOR_YELLOW, COLOR_WHITE, true);
  83. DLG_COLOR(menubox, COLOR_BLACK, COLOR_WHITE, false);
  84. DLG_COLOR(menubox_border, COLOR_WHITE, COLOR_WHITE, true);
  85. DLG_COLOR(item, COLOR_BLACK, COLOR_WHITE, false);
  86. DLG_COLOR(item_selected, COLOR_WHITE, COLOR_BLUE, true);
  87. DLG_COLOR(tag, COLOR_YELLOW, COLOR_WHITE, true);
  88. DLG_COLOR(tag_selected, COLOR_YELLOW, COLOR_BLUE, true);
  89. DLG_COLOR(tag_key, COLOR_YELLOW, COLOR_WHITE, true);
  90. DLG_COLOR(tag_key_selected, COLOR_YELLOW, COLOR_BLUE, true);
  91. DLG_COLOR(check, COLOR_BLACK, COLOR_WHITE, false);
  92. DLG_COLOR(check_selected, COLOR_WHITE, COLOR_BLUE, true);
  93. DLG_COLOR(uarrow, COLOR_GREEN, COLOR_WHITE, true);
  94. DLG_COLOR(darrow, COLOR_GREEN, COLOR_WHITE, true);
  95. }
  96. static void set_blackbg_theme(void)
  97. {
  98. DLG_COLOR(screen, COLOR_RED, COLOR_BLACK, true);
  99. DLG_COLOR(shadow, COLOR_BLACK, COLOR_BLACK, false);
  100. DLG_COLOR(dialog, COLOR_WHITE, COLOR_BLACK, false);
  101. DLG_COLOR(title, COLOR_RED, COLOR_BLACK, false);
  102. DLG_COLOR(border, COLOR_BLACK, COLOR_BLACK, true);
  103. DLG_COLOR(button_active, COLOR_YELLOW, COLOR_RED, false);
  104. DLG_COLOR(button_inactive, COLOR_YELLOW, COLOR_BLACK, false);
  105. DLG_COLOR(button_key_active, COLOR_YELLOW, COLOR_RED, true);
  106. DLG_COLOR(button_key_inactive, COLOR_RED, COLOR_BLACK, false);
  107. DLG_COLOR(button_label_active, COLOR_WHITE, COLOR_RED, false);
  108. DLG_COLOR(button_label_inactive, COLOR_BLACK, COLOR_BLACK, true);
  109. DLG_COLOR(inputbox, COLOR_YELLOW, COLOR_BLACK, false);
  110. DLG_COLOR(inputbox_border, COLOR_YELLOW, COLOR_BLACK, false);
  111. DLG_COLOR(searchbox, COLOR_YELLOW, COLOR_BLACK, false);
  112. DLG_COLOR(searchbox_title, COLOR_YELLOW, COLOR_BLACK, true);
  113. DLG_COLOR(searchbox_border, COLOR_BLACK, COLOR_BLACK, true);
  114. DLG_COLOR(position_indicator, COLOR_RED, COLOR_BLACK, false);
  115. DLG_COLOR(menubox, COLOR_YELLOW, COLOR_BLACK, false);
  116. DLG_COLOR(menubox_border, COLOR_BLACK, COLOR_BLACK, true);
  117. DLG_COLOR(item, COLOR_WHITE, COLOR_BLACK, false);
  118. DLG_COLOR(item_selected, COLOR_WHITE, COLOR_RED, false);
  119. DLG_COLOR(tag, COLOR_RED, COLOR_BLACK, false);
  120. DLG_COLOR(tag_selected, COLOR_YELLOW, COLOR_RED, true);
  121. DLG_COLOR(tag_key, COLOR_RED, COLOR_BLACK, false);
  122. DLG_COLOR(tag_key_selected, COLOR_YELLOW, COLOR_RED, true);
  123. DLG_COLOR(check, COLOR_YELLOW, COLOR_BLACK, false);
  124. DLG_COLOR(check_selected, COLOR_YELLOW, COLOR_RED, true);
  125. DLG_COLOR(uarrow, COLOR_RED, COLOR_BLACK, false);
  126. DLG_COLOR(darrow, COLOR_RED, COLOR_BLACK, false);
  127. }
  128. static void set_bluetitle_theme(void)
  129. {
  130. set_classic_theme();
  131. DLG_COLOR(title, COLOR_BLUE, COLOR_WHITE, true);
  132. DLG_COLOR(button_key_active, COLOR_YELLOW, COLOR_BLUE, true);
  133. DLG_COLOR(button_label_active, COLOR_WHITE, COLOR_BLUE, true);
  134. DLG_COLOR(searchbox_title, COLOR_BLUE, COLOR_WHITE, true);
  135. DLG_COLOR(position_indicator, COLOR_BLUE, COLOR_WHITE, true);
  136. DLG_COLOR(tag, COLOR_BLUE, COLOR_WHITE, true);
  137. DLG_COLOR(tag_key, COLOR_BLUE, COLOR_WHITE, true);
  138. }
  139. /*
  140. * Select color theme
  141. */
  142. static int set_theme(const char *theme)
  143. {
  144. int use_color = 1;
  145. if (!theme)
  146. set_bluetitle_theme();
  147. else if (strcmp(theme, "classic") == 0)
  148. set_classic_theme();
  149. else if (strcmp(theme, "bluetitle") == 0)
  150. set_bluetitle_theme();
  151. else if (strcmp(theme, "blackbg") == 0)
  152. set_blackbg_theme();
  153. else if (strcmp(theme, "mono") == 0)
  154. use_color = 0;
  155. return use_color;
  156. }
  157. static void init_one_color(struct dialog_color *color)
  158. {
  159. static int pair = 0;
  160. pair++;
  161. init_pair(pair, color->fg, color->bg);
  162. if (color->hl)
  163. color->atr = A_BOLD | COLOR_PAIR(pair);
  164. else
  165. color->atr = COLOR_PAIR(pair);
  166. }
  167. static void init_dialog_colors(void)
  168. {
  169. init_one_color(&dlg.screen);
  170. init_one_color(&dlg.shadow);
  171. init_one_color(&dlg.dialog);
  172. init_one_color(&dlg.title);
  173. init_one_color(&dlg.border);
  174. init_one_color(&dlg.button_active);
  175. init_one_color(&dlg.button_inactive);
  176. init_one_color(&dlg.button_key_active);
  177. init_one_color(&dlg.button_key_inactive);
  178. init_one_color(&dlg.button_label_active);
  179. init_one_color(&dlg.button_label_inactive);
  180. init_one_color(&dlg.inputbox);
  181. init_one_color(&dlg.inputbox_border);
  182. init_one_color(&dlg.searchbox);
  183. init_one_color(&dlg.searchbox_title);
  184. init_one_color(&dlg.searchbox_border);
  185. init_one_color(&dlg.position_indicator);
  186. init_one_color(&dlg.menubox);
  187. init_one_color(&dlg.menubox_border);
  188. init_one_color(&dlg.item);
  189. init_one_color(&dlg.item_selected);
  190. init_one_color(&dlg.tag);
  191. init_one_color(&dlg.tag_selected);
  192. init_one_color(&dlg.tag_key);
  193. init_one_color(&dlg.tag_key_selected);
  194. init_one_color(&dlg.check);
  195. init_one_color(&dlg.check_selected);
  196. init_one_color(&dlg.uarrow);
  197. init_one_color(&dlg.darrow);
  198. }
  199. /*
  200. * Setup for color display
  201. */
  202. static void color_setup(const char *theme)
  203. {
  204. int use_color;
  205. use_color = set_theme(theme);
  206. if (use_color && has_colors()) {
  207. start_color();
  208. init_dialog_colors();
  209. } else
  210. set_mono_theme();
  211. }
  212. /*
  213. * Set window to attribute 'attr'
  214. */
  215. void attr_clear(WINDOW * win, int height, int width, chtype attr)
  216. {
  217. int i, j;
  218. wattrset(win, attr);
  219. for (i = 0; i < height; i++) {
  220. wmove(win, i, 0);
  221. for (j = 0; j < width; j++)
  222. waddch(win, ' ');
  223. }
  224. touchwin(win);
  225. }
  226. void dialog_clear(void)
  227. {
  228. int lines, columns;
  229. lines = getmaxy(stdscr);
  230. columns = getmaxx(stdscr);
  231. attr_clear(stdscr, lines, columns, dlg.screen.atr);
  232. /* Display background title if it exists ... - SLH */
  233. if (dlg.backtitle != NULL) {
  234. int i, len = 0, skip = 0;
  235. struct subtitle_list *pos;
  236. wattrset(stdscr, dlg.screen.atr);
  237. mvwaddstr(stdscr, 0, 1, (char *)dlg.backtitle);
  238. for (pos = dlg.subtitles; pos != NULL; pos = pos->next) {
  239. /* 3 is for the arrow and spaces */
  240. len += strlen(pos->text) + 3;
  241. }
  242. wmove(stdscr, 1, 1);
  243. if (len > columns - 2) {
  244. const char *ellipsis = "[...] ";
  245. waddstr(stdscr, ellipsis);
  246. skip = len - (columns - 2 - strlen(ellipsis));
  247. }
  248. for (pos = dlg.subtitles; pos != NULL; pos = pos->next) {
  249. if (skip == 0)
  250. waddch(stdscr, ACS_RARROW);
  251. else
  252. skip--;
  253. if (skip == 0)
  254. waddch(stdscr, ' ');
  255. else
  256. skip--;
  257. if (skip < strlen(pos->text)) {
  258. waddstr(stdscr, pos->text + skip);
  259. skip = 0;
  260. } else
  261. skip -= strlen(pos->text);
  262. if (skip == 0)
  263. waddch(stdscr, ' ');
  264. else
  265. skip--;
  266. }
  267. for (i = len + 1; i < columns - 1; i++)
  268. waddch(stdscr, ACS_HLINE);
  269. }
  270. wnoutrefresh(stdscr);
  271. }
  272. /*
  273. * Do some initialization for dialog
  274. */
  275. int init_dialog(const char *backtitle)
  276. {
  277. int height, width;
  278. initscr(); /* Init curses */
  279. /* Get current cursor position for signal handler in mconf.c */
  280. getyx(stdscr, saved_y, saved_x);
  281. getmaxyx(stdscr, height, width);
  282. if (height < WINDOW_HEIGTH_MIN || width < WINDOW_WIDTH_MIN) {
  283. endwin();
  284. return -ERRDISPLAYTOOSMALL;
  285. }
  286. dlg.backtitle = backtitle;
  287. color_setup(getenv("MENUCONFIG_COLOR"));
  288. keypad(stdscr, TRUE);
  289. cbreak();
  290. noecho();
  291. dialog_clear();
  292. return 0;
  293. }
  294. void set_dialog_backtitle(const char *backtitle)
  295. {
  296. dlg.backtitle = backtitle;
  297. }
  298. void set_dialog_subtitles(struct subtitle_list *subtitles)
  299. {
  300. dlg.subtitles = subtitles;
  301. }
  302. /*
  303. * End using dialog functions.
  304. */
  305. void end_dialog(int x, int y)
  306. {
  307. /* move cursor back to original position */
  308. move(y, x);
  309. refresh();
  310. endwin();
  311. }
  312. /* Print the title of the dialog. Center the title and truncate
  313. * tile if wider than dialog (- 2 chars).
  314. **/
  315. void print_title(WINDOW *dialog, const char *title, int width)
  316. {
  317. if (title) {
  318. int tlen = MIN(width - 2, strlen(title));
  319. wattrset(dialog, dlg.title.atr);
  320. mvwaddch(dialog, 0, (width - tlen) / 2 - 1, ' ');
  321. mvwaddnstr(dialog, 0, (width - tlen)/2, title, tlen);
  322. waddch(dialog, ' ');
  323. }
  324. }
  325. /*
  326. * Print a string of text in a window, automatically wrap around to the
  327. * next line if the string is too long to fit on one line. Newline
  328. * characters '\n' are propperly processed. We start on a new line
  329. * if there is no room for at least 4 nonblanks following a double-space.
  330. */
  331. void print_autowrap(WINDOW * win, const char *prompt, int width, int y, int x)
  332. {
  333. int newl, cur_x, cur_y;
  334. int prompt_len, room, wlen;
  335. char tempstr[MAX_LEN + 1], *word, *sp, *sp2, *newline_separator = 0;
  336. strcpy(tempstr, prompt);
  337. prompt_len = strlen(tempstr);
  338. if (prompt_len <= width - x * 2) { /* If prompt is short */
  339. wmove(win, y, (width - prompt_len) / 2);
  340. waddstr(win, tempstr);
  341. } else {
  342. cur_x = x;
  343. cur_y = y;
  344. newl = 1;
  345. word = tempstr;
  346. while (word && *word) {
  347. sp = strpbrk(word, "\n ");
  348. if (sp && *sp == '\n')
  349. newline_separator = sp;
  350. if (sp)
  351. *sp++ = 0;
  352. /* Wrap to next line if either the word does not fit,
  353. or it is the first word of a new sentence, and it is
  354. short, and the next word does not fit. */
  355. room = width - cur_x;
  356. wlen = strlen(word);
  357. if (wlen > room ||
  358. (newl && wlen < 4 && sp
  359. && wlen + 1 + strlen(sp) > room
  360. && (!(sp2 = strpbrk(sp, "\n "))
  361. || wlen + 1 + (sp2 - sp) > room))) {
  362. cur_y++;
  363. cur_x = x;
  364. }
  365. wmove(win, cur_y, cur_x);
  366. waddstr(win, word);
  367. getyx(win, cur_y, cur_x);
  368. /* Move to the next line if the word separator was a newline */
  369. if (newline_separator) {
  370. cur_y++;
  371. cur_x = x;
  372. newline_separator = 0;
  373. } else
  374. cur_x++;
  375. if (sp && *sp == ' ') {
  376. cur_x++; /* double space */
  377. while (*++sp == ' ') ;
  378. newl = 1;
  379. } else
  380. newl = 0;
  381. word = sp;
  382. }
  383. }
  384. }
  385. /*
  386. * Print a button
  387. */
  388. void print_button(WINDOW * win, const char *label, int y, int x, int selected)
  389. {
  390. int i, temp;
  391. wmove(win, y, x);
  392. wattrset(win, selected ? dlg.button_active.atr
  393. : dlg.button_inactive.atr);
  394. waddstr(win, "<");
  395. temp = strspn(label, " ");
  396. label += temp;
  397. wattrset(win, selected ? dlg.button_label_active.atr
  398. : dlg.button_label_inactive.atr);
  399. for (i = 0; i < temp; i++)
  400. waddch(win, ' ');
  401. wattrset(win, selected ? dlg.button_key_active.atr
  402. : dlg.button_key_inactive.atr);
  403. waddch(win, label[0]);
  404. wattrset(win, selected ? dlg.button_label_active.atr
  405. : dlg.button_label_inactive.atr);
  406. waddstr(win, (char *)label + 1);
  407. wattrset(win, selected ? dlg.button_active.atr
  408. : dlg.button_inactive.atr);
  409. waddstr(win, ">");
  410. wmove(win, y, x + temp + 1);
  411. }
  412. /*
  413. * Draw a rectangular box with line drawing characters
  414. */
  415. void
  416. draw_box(WINDOW * win, int y, int x, int height, int width,
  417. chtype box, chtype border)
  418. {
  419. int i, j;
  420. wattrset(win, 0);
  421. for (i = 0; i < height; i++) {
  422. wmove(win, y + i, x);
  423. for (j = 0; j < width; j++)
  424. if (!i && !j)
  425. waddch(win, border | ACS_ULCORNER);
  426. else if (i == height - 1 && !j)
  427. waddch(win, border | ACS_LLCORNER);
  428. else if (!i && j == width - 1)
  429. waddch(win, box | ACS_URCORNER);
  430. else if (i == height - 1 && j == width - 1)
  431. waddch(win, box | ACS_LRCORNER);
  432. else if (!i)
  433. waddch(win, border | ACS_HLINE);
  434. else if (i == height - 1)
  435. waddch(win, box | ACS_HLINE);
  436. else if (!j)
  437. waddch(win, border | ACS_VLINE);
  438. else if (j == width - 1)
  439. waddch(win, box | ACS_VLINE);
  440. else
  441. waddch(win, box | ' ');
  442. }
  443. }
  444. /*
  445. * Draw shadows along the right and bottom edge to give a more 3D look
  446. * to the boxes
  447. */
  448. void draw_shadow(WINDOW * win, int y, int x, int height, int width)
  449. {
  450. int i;
  451. if (has_colors()) { /* Whether terminal supports color? */
  452. wattrset(win, dlg.shadow.atr);
  453. wmove(win, y + height, x + 2);
  454. for (i = 0; i < width; i++)
  455. waddch(win, winch(win) & A_CHARTEXT);
  456. for (i = y + 1; i < y + height + 1; i++) {
  457. wmove(win, i, x + width);
  458. waddch(win, winch(win) & A_CHARTEXT);
  459. waddch(win, winch(win) & A_CHARTEXT);
  460. }
  461. wnoutrefresh(win);
  462. }
  463. }
  464. /*
  465. * Return the position of the first alphabetic character in a string.
  466. */
  467. int first_alpha(const char *string, const char *exempt)
  468. {
  469. int i, in_paren = 0, c;
  470. for (i = 0; i < strlen(string); i++) {
  471. c = tolower(string[i]);
  472. if (strchr("<[(", c))
  473. ++in_paren;
  474. if (strchr(">])", c) && in_paren > 0)
  475. --in_paren;
  476. if ((!in_paren) && isalpha(c) && strchr(exempt, c) == 0)
  477. return i;
  478. }
  479. return 0;
  480. }
  481. /*
  482. * ncurses uses ESC to detect escaped char sequences. This resutl in
  483. * a small timeout before ESC is actually delivered to the application.
  484. * lxdialog suggest <ESC> <ESC> which is correctly translated to two
  485. * times esc. But then we need to ignore the second esc to avoid stepping
  486. * out one menu too much. Filter away all escaped key sequences since
  487. * keypad(FALSE) turn off ncurses support for escape sequences - and thats
  488. * needed to make notimeout() do as expected.
  489. */
  490. int on_key_esc(WINDOW *win)
  491. {
  492. int key;
  493. int key2;
  494. int key3;
  495. nodelay(win, TRUE);
  496. keypad(win, FALSE);
  497. key = wgetch(win);
  498. key2 = wgetch(win);
  499. do {
  500. key3 = wgetch(win);
  501. } while (key3 != ERR);
  502. nodelay(win, FALSE);
  503. keypad(win, TRUE);
  504. if (key == KEY_ESC && key2 == ERR)
  505. return KEY_ESC;
  506. else if (key != ERR && key != KEY_ESC && key2 == ERR)
  507. ungetch(key);
  508. return -1;
  509. }
  510. /* redraw screen in new size */
  511. int on_key_resize(void)
  512. {
  513. dialog_clear();
  514. return KEY_RESIZE;
  515. }
  516. struct dialog_list *item_cur;
  517. struct dialog_list item_nil;
  518. struct dialog_list *item_head;
  519. void item_reset(void)
  520. {
  521. struct dialog_list *p, *next;
  522. for (p = item_head; p; p = next) {
  523. next = p->next;
  524. free(p);
  525. }
  526. item_head = NULL;
  527. item_cur = &item_nil;
  528. }
  529. void item_make(const char *fmt, ...)
  530. {
  531. va_list ap;
  532. struct dialog_list *p = malloc(sizeof(*p));
  533. if (item_head)
  534. item_cur->next = p;
  535. else
  536. item_head = p;
  537. item_cur = p;
  538. memset(p, 0, sizeof(*p));
  539. va_start(ap, fmt);
  540. vsnprintf(item_cur->node.str, sizeof(item_cur->node.str), fmt, ap);
  541. va_end(ap);
  542. }
  543. void item_add_str(const char *fmt, ...)
  544. {
  545. va_list ap;
  546. size_t avail;
  547. avail = sizeof(item_cur->node.str) - strlen(item_cur->node.str);
  548. va_start(ap, fmt);
  549. vsnprintf(item_cur->node.str + strlen(item_cur->node.str),
  550. avail, fmt, ap);
  551. item_cur->node.str[sizeof(item_cur->node.str) - 1] = '\0';
  552. va_end(ap);
  553. }
  554. void item_set_tag(char tag)
  555. {
  556. item_cur->node.tag = tag;
  557. }
  558. void item_set_data(void *ptr)
  559. {
  560. item_cur->node.data = ptr;
  561. }
  562. void item_set_selected(int val)
  563. {
  564. item_cur->node.selected = val;
  565. }
  566. int item_activate_selected(void)
  567. {
  568. item_foreach()
  569. if (item_is_selected())
  570. return 1;
  571. return 0;
  572. }
  573. void *item_data(void)
  574. {
  575. return item_cur->node.data;
  576. }
  577. char item_tag(void)
  578. {
  579. return item_cur->node.tag;
  580. }
  581. int item_count(void)
  582. {
  583. int n = 0;
  584. struct dialog_list *p;
  585. for (p = item_head; p; p = p->next)
  586. n++;
  587. return n;
  588. }
  589. void item_set(int n)
  590. {
  591. int i = 0;
  592. item_foreach()
  593. if (i++ == n)
  594. return;
  595. }
  596. int item_n(void)
  597. {
  598. int n = 0;
  599. struct dialog_list *p;
  600. for (p = item_head; p; p = p->next) {
  601. if (p == item_cur)
  602. return n;
  603. n++;
  604. }
  605. return 0;
  606. }
  607. const char *item_str(void)
  608. {
  609. return item_cur->node.str;
  610. }
  611. int item_is_selected(void)
  612. {
  613. return (item_cur->node.selected != 0);
  614. }
  615. int item_is_tag(char tag)
  616. {
  617. return (item_cur->node.tag == tag);
  618. }