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
22 #include <stdarg.h>
23
24 #include "dialog.h"
25
26 /* Needed in signal handler in mconf.c */
27 int saved_x, saved_y;
28
29 struct dialog_info dlg;
30
set_mono_theme(void)31 static void set_mono_theme(void)
32 {
33 dlg.screen.atr = A_NORMAL;
34 dlg.shadow.atr = A_NORMAL;
35 dlg.dialog.atr = A_NORMAL;
36 dlg.title.atr = A_BOLD;
37 dlg.border.atr = A_NORMAL;
38 dlg.button_active.atr = A_REVERSE;
39 dlg.button_inactive.atr = A_DIM;
40 dlg.button_key_active.atr = A_REVERSE;
41 dlg.button_key_inactive.atr = A_BOLD;
42 dlg.button_label_active.atr = A_REVERSE;
43 dlg.button_label_inactive.atr = A_NORMAL;
44 dlg.inputbox.atr = A_NORMAL;
45 dlg.inputbox_border.atr = A_NORMAL;
46 dlg.searchbox.atr = A_NORMAL;
47 dlg.searchbox_title.atr = A_BOLD;
48 dlg.searchbox_border.atr = A_NORMAL;
49 dlg.position_indicator.atr = A_BOLD;
50 dlg.menubox.atr = A_NORMAL;
51 dlg.menubox_border.atr = A_NORMAL;
52 dlg.item.atr = A_NORMAL;
53 dlg.item_selected.atr = A_REVERSE;
54 dlg.tag.atr = A_BOLD;
55 dlg.tag_selected.atr = A_REVERSE;
56 dlg.tag_key.atr = A_BOLD;
57 dlg.tag_key_selected.atr = A_REVERSE;
58 dlg.check.atr = A_BOLD;
59 dlg.check_selected.atr = A_REVERSE;
60 dlg.uarrow.atr = A_BOLD;
61 dlg.darrow.atr = A_BOLD;
62 }
63
64 #define DLG_COLOR(dialog, f, b, h) \
65 do { \
66 dlg.dialog.fg = (f); \
67 dlg.dialog.bg = (b); \
68 dlg.dialog.hl = (h); \
69 } while (0)
70
set_classic_theme(void)71 static void set_classic_theme(void)
72 {
73 DLG_COLOR(screen, COLOR_CYAN, COLOR_BLUE, true);
74 DLG_COLOR(shadow, COLOR_BLACK, COLOR_BLACK, true);
75 DLG_COLOR(dialog, COLOR_BLACK, COLOR_WHITE, false);
76 DLG_COLOR(title, COLOR_YELLOW, COLOR_WHITE, true);
77 DLG_COLOR(border, COLOR_WHITE, COLOR_WHITE, true);
78 DLG_COLOR(button_active, COLOR_WHITE, COLOR_BLUE, true);
79 DLG_COLOR(button_inactive, COLOR_BLACK, COLOR_WHITE, false);
80 DLG_COLOR(button_key_active, COLOR_WHITE, COLOR_BLUE, true);
81 DLG_COLOR(button_key_inactive, COLOR_RED, COLOR_WHITE, false);
82 DLG_COLOR(button_label_active, COLOR_YELLOW, COLOR_BLUE, true);
83 DLG_COLOR(button_label_inactive, COLOR_BLACK, COLOR_WHITE, true);
84 DLG_COLOR(inputbox, COLOR_BLACK, COLOR_WHITE, false);
85 DLG_COLOR(inputbox_border, COLOR_BLACK, COLOR_WHITE, false);
86 DLG_COLOR(searchbox, COLOR_BLACK, COLOR_WHITE, false);
87 DLG_COLOR(searchbox_title, COLOR_YELLOW, COLOR_WHITE, true);
88 DLG_COLOR(searchbox_border, COLOR_WHITE, COLOR_WHITE, true);
89 DLG_COLOR(position_indicator, COLOR_YELLOW, COLOR_WHITE, true);
90 DLG_COLOR(menubox, COLOR_BLACK, COLOR_WHITE, false);
91 DLG_COLOR(menubox_border, COLOR_WHITE, COLOR_WHITE, true);
92 DLG_COLOR(item, COLOR_BLACK, COLOR_WHITE, false);
93 DLG_COLOR(item_selected, COLOR_WHITE, COLOR_BLUE, true);
94 DLG_COLOR(tag, COLOR_YELLOW, COLOR_WHITE, true);
95 DLG_COLOR(tag_selected, COLOR_YELLOW, COLOR_BLUE, true);
96 DLG_COLOR(tag_key, COLOR_YELLOW, COLOR_WHITE, true);
97 DLG_COLOR(tag_key_selected, COLOR_YELLOW, COLOR_BLUE, true);
98 DLG_COLOR(check, COLOR_BLACK, COLOR_WHITE, false);
99 DLG_COLOR(check_selected, COLOR_WHITE, COLOR_BLUE, true);
100 DLG_COLOR(uarrow, COLOR_GREEN, COLOR_WHITE, true);
101 DLG_COLOR(darrow, COLOR_GREEN, COLOR_WHITE, true);
102 }
103
set_blackbg_theme(void)104 static void set_blackbg_theme(void)
105 {
106 DLG_COLOR(screen, COLOR_RED, COLOR_BLACK, true);
107 DLG_COLOR(shadow, COLOR_BLACK, COLOR_BLACK, false);
108 DLG_COLOR(dialog, COLOR_WHITE, COLOR_BLACK, false);
109 DLG_COLOR(title, COLOR_RED, COLOR_BLACK, false);
110 DLG_COLOR(border, COLOR_BLACK, COLOR_BLACK, true);
111
112 DLG_COLOR(button_active, COLOR_YELLOW, COLOR_RED, false);
113 DLG_COLOR(button_inactive, COLOR_YELLOW, COLOR_BLACK, false);
114 DLG_COLOR(button_key_active, COLOR_YELLOW, COLOR_RED, true);
115 DLG_COLOR(button_key_inactive, COLOR_RED, COLOR_BLACK, false);
116 DLG_COLOR(button_label_active, COLOR_WHITE, COLOR_RED, false);
117 DLG_COLOR(button_label_inactive, COLOR_BLACK, COLOR_BLACK, true);
118
119 DLG_COLOR(inputbox, COLOR_YELLOW, COLOR_BLACK, false);
120 DLG_COLOR(inputbox_border, COLOR_YELLOW, COLOR_BLACK, false);
121
122 DLG_COLOR(searchbox, COLOR_YELLOW, COLOR_BLACK, false);
123 DLG_COLOR(searchbox_title, COLOR_YELLOW, COLOR_BLACK, true);
124 DLG_COLOR(searchbox_border, COLOR_BLACK, COLOR_BLACK, true);
125
126 DLG_COLOR(position_indicator, COLOR_RED, COLOR_BLACK, false);
127
128 DLG_COLOR(menubox, COLOR_YELLOW, COLOR_BLACK, false);
129 DLG_COLOR(menubox_border, COLOR_BLACK, COLOR_BLACK, true);
130
131 DLG_COLOR(item, COLOR_WHITE, COLOR_BLACK, false);
132 DLG_COLOR(item_selected, COLOR_WHITE, COLOR_RED, false);
133
134 DLG_COLOR(tag, COLOR_RED, COLOR_BLACK, false);
135 DLG_COLOR(tag_selected, COLOR_YELLOW, COLOR_RED, true);
136 DLG_COLOR(tag_key, COLOR_RED, COLOR_BLACK, false);
137 DLG_COLOR(tag_key_selected, COLOR_YELLOW, COLOR_RED, true);
138
139 DLG_COLOR(check, COLOR_YELLOW, COLOR_BLACK, false);
140 DLG_COLOR(check_selected, COLOR_YELLOW, COLOR_RED, true);
141
142 DLG_COLOR(uarrow, COLOR_RED, COLOR_BLACK, false);
143 DLG_COLOR(darrow, COLOR_RED, COLOR_BLACK, false);
144 }
145
set_bluetitle_theme(void)146 static void set_bluetitle_theme(void)
147 {
148 set_classic_theme();
149 DLG_COLOR(title, COLOR_BLUE, COLOR_WHITE, true);
150 DLG_COLOR(button_key_active, COLOR_YELLOW, COLOR_BLUE, true);
151 DLG_COLOR(button_label_active, COLOR_WHITE, COLOR_BLUE, true);
152 DLG_COLOR(searchbox_title, COLOR_BLUE, COLOR_WHITE, true);
153 DLG_COLOR(position_indicator, COLOR_BLUE, COLOR_WHITE, true);
154 DLG_COLOR(tag, COLOR_BLUE, COLOR_WHITE, true);
155 DLG_COLOR(tag_key, COLOR_BLUE, COLOR_WHITE, true);
156
157 }
158
159 /*
160 * Select color theme
161 */
set_theme(const char * theme)162 static int set_theme(const char *theme)
163 {
164 int use_color = 1;
165 if (!theme)
166 set_bluetitle_theme();
167 else if (strcmp(theme, "classic") == 0)
168 set_classic_theme();
169 else if (strcmp(theme, "bluetitle") == 0)
170 set_bluetitle_theme();
171 else if (strcmp(theme, "blackbg") == 0)
172 set_blackbg_theme();
173 else if (strcmp(theme, "mono") == 0)
174 use_color = 0;
175
176 return use_color;
177 }
178
init_one_color(struct dialog_color * color)179 static void init_one_color(struct dialog_color *color)
180 {
181 static int pair = 0;
182
183 pair++;
184 init_pair(pair, color->fg, color->bg);
185 if (color->hl)
186 color->atr = A_BOLD | COLOR_PAIR(pair);
187 else
188 color->atr = COLOR_PAIR(pair);
189 }
190
init_dialog_colors(void)191 static void init_dialog_colors(void)
192 {
193 init_one_color(&dlg.screen);
194 init_one_color(&dlg.shadow);
195 init_one_color(&dlg.dialog);
196 init_one_color(&dlg.title);
197 init_one_color(&dlg.border);
198 init_one_color(&dlg.button_active);
199 init_one_color(&dlg.button_inactive);
200 init_one_color(&dlg.button_key_active);
201 init_one_color(&dlg.button_key_inactive);
202 init_one_color(&dlg.button_label_active);
203 init_one_color(&dlg.button_label_inactive);
204 init_one_color(&dlg.inputbox);
205 init_one_color(&dlg.inputbox_border);
206 init_one_color(&dlg.searchbox);
207 init_one_color(&dlg.searchbox_title);
208 init_one_color(&dlg.searchbox_border);
209 init_one_color(&dlg.position_indicator);
210 init_one_color(&dlg.menubox);
211 init_one_color(&dlg.menubox_border);
212 init_one_color(&dlg.item);
213 init_one_color(&dlg.item_selected);
214 init_one_color(&dlg.tag);
215 init_one_color(&dlg.tag_selected);
216 init_one_color(&dlg.tag_key);
217 init_one_color(&dlg.tag_key_selected);
218 init_one_color(&dlg.check);
219 init_one_color(&dlg.check_selected);
220 init_one_color(&dlg.uarrow);
221 init_one_color(&dlg.darrow);
222 }
223
224 /*
225 * Setup for color display
226 */
color_setup(const char * theme)227 static void color_setup(const char *theme)
228 {
229 int use_color;
230
231 use_color = set_theme(theme);
232 if (use_color && has_colors()) {
233 start_color();
234 init_dialog_colors();
235 } else
236 set_mono_theme();
237 }
238
239 /*
240 * Set window to attribute 'attr'
241 */
attr_clear(WINDOW * win,int height,int width,chtype attr)242 void attr_clear(WINDOW * win, int height, int width, chtype attr)
243 {
244 int i, j;
245
246 wattrset(win, attr);
247 for (i = 0; i < height; i++) {
248 wmove(win, i, 0);
249 for (j = 0; j < width; j++)
250 waddch(win, ' ');
251 }
252 touchwin(win);
253 }
254
dialog_clear(void)255 void dialog_clear(void)
256 {
257 attr_clear(stdscr, LINES, COLS, dlg.screen.atr);
258 /* Display background title if it exists ... - SLH */
259 if (dlg.backtitle != NULL) {
260 int i, len = 0, skip = 0;
261 struct subtitle_list *pos;
262
263 wattrset(stdscr, dlg.screen.atr);
264 mvwaddstr(stdscr, 0, 1, (char *)dlg.backtitle);
265
266 for (pos = dlg.subtitles; pos != NULL; pos = pos->next) {
267 /* 3 is for the arrow and spaces */
268 len += strlen(pos->text) + 3;
269 }
270
271 wmove(stdscr, 1, 1);
272 if (len > COLS - 2) {
273 const char *ellipsis = "[...] ";
274 waddstr(stdscr, ellipsis);
275 skip = len - (COLS - 2 - strlen(ellipsis));
276 }
277
278 for (pos = dlg.subtitles; pos != NULL; pos = pos->next) {
279 if (skip == 0)
280 waddch(stdscr, ACS_RARROW);
281 else
282 skip--;
283
284 if (skip == 0)
285 waddch(stdscr, ' ');
286 else
287 skip--;
288
289 if (skip < strlen(pos->text)) {
290 waddstr(stdscr, pos->text + skip);
291 skip = 0;
292 } else
293 skip -= strlen(pos->text);
294
295 if (skip == 0)
296 waddch(stdscr, ' ');
297 else
298 skip--;
299 }
300
301 for (i = len + 1; i < COLS - 1; i++)
302 waddch(stdscr, ACS_HLINE);
303 }
304 wnoutrefresh(stdscr);
305 }
306
307 /*
308 * Do some initialization for dialog
309 */
init_dialog(const char * backtitle)310 int init_dialog(const char *backtitle)
311 {
312 int height, width;
313
314 initscr(); /* Init curses */
315
316 /* Get current cursor position for signal handler in mconf.c */
317 getyx(stdscr, saved_y, saved_x);
318
319 getmaxyx(stdscr, height, width);
320 if (height < 19 || width < 80) {
321 endwin();
322 return -ERRDISPLAYTOOSMALL;
323 }
324
325 dlg.backtitle = backtitle;
326 color_setup(getenv("MENUCONFIG_COLOR"));
327
328 keypad(stdscr, TRUE);
329 cbreak();
330 noecho();
331 dialog_clear();
332
333 return 0;
334 }
335
set_dialog_backtitle(const char * backtitle)336 void set_dialog_backtitle(const char *backtitle)
337 {
338 dlg.backtitle = backtitle;
339 }
340
set_dialog_subtitles(struct subtitle_list * subtitles)341 void set_dialog_subtitles(struct subtitle_list *subtitles)
342 {
343 dlg.subtitles = subtitles;
344 }
345
346 /*
347 * End using dialog functions.
348 */
end_dialog(int x,int y)349 void end_dialog(int x, int y)
350 {
351 /* move cursor back to original position */
352 move(y, x);
353 refresh();
354 endwin();
355 }
356
357 /* Print the title of the dialog. Center the title and truncate
358 * tile if wider than dialog (- 2 chars).
359 **/
print_title(WINDOW * dialog,const char * title,int width)360 void print_title(WINDOW *dialog, const char *title, int width)
361 {
362 if (title) {
363 int tlen = MIN(width - 2, strlen(title));
364 wattrset(dialog, dlg.title.atr);
365 mvwaddch(dialog, 0, (width - tlen) / 2 - 1, ' ');
366 mvwaddnstr(dialog, 0, (width - tlen)/2, title, tlen);
367 waddch(dialog, ' ');
368 }
369 }
370
371 /*
372 * Print a string of text in a window, automatically wrap around to the
373 * next line if the string is too long to fit on one line. Newline
374 * characters '\n' are replaced by spaces. We start on a new line
375 * if there is no room for at least 4 nonblanks following a double-space.
376 */
print_autowrap(WINDOW * win,const char * prompt,int width,int y,int x)377 void print_autowrap(WINDOW * win, const char *prompt, int width, int y, int x)
378 {
379 int newl, cur_x, cur_y;
380 int i, prompt_len, room, wlen;
381 char tempstr[MAX_LEN + 1], *word, *sp, *sp2;
382
383 strcpy(tempstr, prompt);
384
385 prompt_len = strlen(tempstr);
386
387 /*
388 * Remove newlines
389 */
390 for (i = 0; i < prompt_len; i++) {
391 if (tempstr[i] == '\n')
392 tempstr[i] = ' ';
393 }
394
395 if (prompt_len <= width - x * 2) { /* If prompt is short */
396 wmove(win, y, (width - prompt_len) / 2);
397 waddstr(win, tempstr);
398 } else {
399 cur_x = x;
400 cur_y = y;
401 newl = 1;
402 word = tempstr;
403 while (word && *word) {
404 sp = strchr(word, ' ');
405 if (sp)
406 *sp++ = 0;
407
408 /* Wrap to next line if either the word does not fit,
409 or it is the first word of a new sentence, and it is
410 short, and the next word does not fit. */
411 room = width - cur_x;
412 wlen = strlen(word);
413 if (wlen > room ||
414 (newl && wlen < 4 && sp
415 && wlen + 1 + strlen(sp) > room
416 && (!(sp2 = strchr(sp, ' '))
417 || wlen + 1 + (sp2 - sp) > room))) {
418 cur_y++;
419 cur_x = x;
420 }
421 wmove(win, cur_y, cur_x);
422 waddstr(win, word);
423 getyx(win, cur_y, cur_x);
424 cur_x++;
425 if (sp && *sp == ' ') {
426 cur_x++; /* double space */
427 while (*++sp == ' ') ;
428 newl = 1;
429 } else
430 newl = 0;
431 word = sp;
432 }
433 }
434 }
435
436 /*
437 * Print a button
438 */
print_button(WINDOW * win,const char * label,int y,int x,int selected)439 void print_button(WINDOW * win, const char *label, int y, int x, int selected)
440 {
441 int i, temp;
442
443 wmove(win, y, x);
444 wattrset(win, selected ? dlg.button_active.atr
445 : dlg.button_inactive.atr);
446 waddstr(win, "<");
447 temp = strspn(label, " ");
448 label += temp;
449 wattrset(win, selected ? dlg.button_label_active.atr
450 : dlg.button_label_inactive.atr);
451 for (i = 0; i < temp; i++)
452 waddch(win, ' ');
453 wattrset(win, selected ? dlg.button_key_active.atr
454 : dlg.button_key_inactive.atr);
455 waddch(win, label[0]);
456 wattrset(win, selected ? dlg.button_label_active.atr
457 : dlg.button_label_inactive.atr);
458 waddstr(win, (char *)label + 1);
459 wattrset(win, selected ? dlg.button_active.atr
460 : dlg.button_inactive.atr);
461 waddstr(win, ">");
462 wmove(win, y, x + temp + 1);
463 }
464
465 /*
466 * Draw a rectangular box with line drawing characters
467 */
468 void
draw_box(WINDOW * win,int y,int x,int height,int width,chtype box,chtype border)469 draw_box(WINDOW * win, int y, int x, int height, int width,
470 chtype box, chtype border)
471 {
472 int i, j;
473
474 wattrset(win, 0);
475 for (i = 0; i < height; i++) {
476 wmove(win, y + i, x);
477 for (j = 0; j < width; j++)
478 if (!i && !j)
479 waddch(win, border | ACS_ULCORNER);
480 else if (i == height - 1 && !j)
481 waddch(win, border | ACS_LLCORNER);
482 else if (!i && j == width - 1)
483 waddch(win, box | ACS_URCORNER);
484 else if (i == height - 1 && j == width - 1)
485 waddch(win, box | ACS_LRCORNER);
486 else if (!i)
487 waddch(win, border | ACS_HLINE);
488 else if (i == height - 1)
489 waddch(win, box | ACS_HLINE);
490 else if (!j)
491 waddch(win, border | ACS_VLINE);
492 else if (j == width - 1)
493 waddch(win, box | ACS_VLINE);
494 else
495 waddch(win, box | ' ');
496 }
497 }
498
499 /*
500 * Draw shadows along the right and bottom edge to give a more 3D look
501 * to the boxes
502 */
draw_shadow(WINDOW * win,int y,int x,int height,int width)503 void draw_shadow(WINDOW * win, int y, int x, int height, int width)
504 {
505 int i;
506
507 if (has_colors()) { /* Whether terminal supports color? */
508 wattrset(win, dlg.shadow.atr);
509 wmove(win, y + height, x + 2);
510 for (i = 0; i < width; i++)
511 waddch(win, winch(win) & A_CHARTEXT);
512 for (i = y + 1; i < y + height + 1; i++) {
513 wmove(win, i, x + width);
514 waddch(win, winch(win) & A_CHARTEXT);
515 waddch(win, winch(win) & A_CHARTEXT);
516 }
517 wnoutrefresh(win);
518 }
519 }
520
521 /*
522 * Return the position of the first alphabetic character in a string.
523 */
first_alpha(const char * string,const char * exempt)524 int first_alpha(const char *string, const char *exempt)
525 {
526 int i, in_paren = 0, c;
527
528 for (i = 0; i < strlen(string); i++) {
529 c = tolower(string[i]);
530
531 if (strchr("<[(", c))
532 ++in_paren;
533 if (strchr(">])", c) && in_paren > 0)
534 --in_paren;
535
536 if ((!in_paren) && isalpha(c) && strchr(exempt, c) == 0)
537 return i;
538 }
539
540 return 0;
541 }
542
543 /*
544 * ncurses uses ESC to detect escaped char sequences. This resutl in
545 * a small timeout before ESC is actually delivered to the application.
546 * lxdialog suggest <ESC> <ESC> which is correctly translated to two
547 * times esc. But then we need to ignore the second esc to avoid stepping
548 * out one menu too much. Filter away all escaped key sequences since
549 * keypad(FALSE) turn off ncurses support for escape sequences - and thats
550 * needed to make notimeout() do as expected.
551 */
on_key_esc(WINDOW * win)552 int on_key_esc(WINDOW *win)
553 {
554 int key;
555 int key2;
556 int key3;
557
558 nodelay(win, TRUE);
559 keypad(win, FALSE);
560 key = wgetch(win);
561 key2 = wgetch(win);
562 do {
563 key3 = wgetch(win);
564 } while (key3 != ERR);
565 nodelay(win, FALSE);
566 keypad(win, TRUE);
567 if (key == KEY_ESC && key2 == ERR)
568 return KEY_ESC;
569 else if (key != ERR && key != KEY_ESC && key2 == ERR)
570 ungetch(key);
571
572 return -1;
573 }
574
575 /* redraw screen in new size */
on_key_resize(void)576 int on_key_resize(void)
577 {
578 dialog_clear();
579 return KEY_RESIZE;
580 }
581
582 struct dialog_list *item_cur;
583 struct dialog_list item_nil;
584 struct dialog_list *item_head;
585
item_reset(void)586 void item_reset(void)
587 {
588 struct dialog_list *p, *next;
589
590 for (p = item_head; p; p = next) {
591 next = p->next;
592 free(p);
593 }
594 item_head = NULL;
595 item_cur = &item_nil;
596 }
597
item_make(const char * fmt,...)598 void item_make(const char *fmt, ...)
599 {
600 va_list ap;
601 struct dialog_list *p = malloc(sizeof(*p));
602
603 if (item_head)
604 item_cur->next = p;
605 else
606 item_head = p;
607 item_cur = p;
608 memset(p, 0, sizeof(*p));
609
610 va_start(ap, fmt);
611 vsnprintf(item_cur->node.str, sizeof(item_cur->node.str), fmt, ap);
612 va_end(ap);
613 }
614
item_add_str(const char * fmt,...)615 void item_add_str(const char *fmt, ...)
616 {
617 va_list ap;
618 size_t avail;
619
620 avail = sizeof(item_cur->node.str) - strlen(item_cur->node.str);
621
622 va_start(ap, fmt);
623 vsnprintf(item_cur->node.str + strlen(item_cur->node.str),
624 avail, fmt, ap);
625 item_cur->node.str[sizeof(item_cur->node.str) - 1] = '\0';
626 va_end(ap);
627 }
628
item_set_tag(char tag)629 void item_set_tag(char tag)
630 {
631 item_cur->node.tag = tag;
632 }
item_set_data(void * ptr)633 void item_set_data(void *ptr)
634 {
635 item_cur->node.data = ptr;
636 }
637
item_set_selected(int val)638 void item_set_selected(int val)
639 {
640 item_cur->node.selected = val;
641 }
642
item_activate_selected(void)643 int item_activate_selected(void)
644 {
645 item_foreach()
646 if (item_is_selected())
647 return 1;
648 return 0;
649 }
650
item_data(void)651 void *item_data(void)
652 {
653 return item_cur->node.data;
654 }
655
item_tag(void)656 char item_tag(void)
657 {
658 return item_cur->node.tag;
659 }
660
item_count(void)661 int item_count(void)
662 {
663 int n = 0;
664 struct dialog_list *p;
665
666 for (p = item_head; p; p = p->next)
667 n++;
668 return n;
669 }
670
item_set(int n)671 void item_set(int n)
672 {
673 int i = 0;
674 item_foreach()
675 if (i++ == n)
676 return;
677 }
678
item_n(void)679 int item_n(void)
680 {
681 int n = 0;
682 struct dialog_list *p;
683
684 for (p = item_head; p; p = p->next) {
685 if (p == item_cur)
686 return n;
687 n++;
688 }
689 return 0;
690 }
691
item_str(void)692 const char *item_str(void)
693 {
694 return item_cur->node.str;
695 }
696
item_is_selected(void)697 int item_is_selected(void)
698 {
699 return (item_cur->node.selected != 0);
700 }
701
item_is_tag(char tag)702 int item_is_tag(char tag)
703 {
704 return (item_cur->node.tag == tag);
705 }
706