4 * ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
5 * MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com)
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.
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.
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.
26 /* Needed in signal handler in mconf.c */
29 struct dialog_info dlg;
31 static void set_mono_theme(void)
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;
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;
64 #define DLG_COLOR(dialog, f, b, h) \
66 dlg.dialog.fg = (f); \
67 dlg.dialog.bg = (b); \
68 dlg.dialog.hl = (h); \
71 static void set_classic_theme(void)
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);
104 static void set_blackbg_theme(void)
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);
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);
119 DLG_COLOR(inputbox, COLOR_YELLOW, COLOR_BLACK, false);
120 DLG_COLOR(inputbox_border, COLOR_YELLOW, COLOR_BLACK, false);
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);
126 DLG_COLOR(position_indicator, COLOR_RED, COLOR_BLACK, false);
128 DLG_COLOR(menubox, COLOR_YELLOW, COLOR_BLACK, false);
129 DLG_COLOR(menubox_border, COLOR_BLACK, COLOR_BLACK, true);
131 DLG_COLOR(item, COLOR_WHITE, COLOR_BLACK, false);
132 DLG_COLOR(item_selected, COLOR_WHITE, COLOR_RED, false);
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);
139 DLG_COLOR(check, COLOR_YELLOW, COLOR_BLACK, false);
140 DLG_COLOR(check_selected, COLOR_YELLOW, COLOR_RED, true);
142 DLG_COLOR(uarrow, COLOR_RED, COLOR_BLACK, false);
143 DLG_COLOR(darrow, COLOR_RED, COLOR_BLACK, false);
146 static void set_bluetitle_theme(void)
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);
162 static int set_theme(const char *theme)
166 set_bluetitle_theme();
167 else if (strcmp(theme, "classic") == 0)
169 else if (strcmp(theme, "bluetitle") == 0)
170 set_bluetitle_theme();
171 else if (strcmp(theme, "blackbg") == 0)
173 else if (strcmp(theme, "mono") == 0)
179 static void init_one_color(struct dialog_color *color)
184 init_pair(pair, color->fg, color->bg);
186 color->atr = A_BOLD | COLOR_PAIR(pair);
188 color->atr = COLOR_PAIR(pair);
191 static void init_dialog_colors(void)
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);
225 * Setup for color display
227 static void color_setup(const char *theme)
231 use_color = set_theme(theme);
232 if (use_color && has_colors()) {
234 init_dialog_colors();
240 * Set window to attribute 'attr'
242 void attr_clear(WINDOW * win, int height, int width, chtype attr)
247 for (i = 0; i < height; i++) {
249 for (j = 0; j < width; j++)
255 void dialog_clear(void)
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;
263 wattrset(stdscr, dlg.screen.atr);
264 mvwaddstr(stdscr, 0, 1, (char *)dlg.backtitle);
266 for (pos = dlg.subtitles; pos != NULL; pos = pos->next) {
267 /* 3 is for the arrow and spaces */
268 len += strlen(pos->text) + 3;
272 if (len > COLS - 2) {
273 const char *ellipsis = "[...] ";
274 waddstr(stdscr, ellipsis);
275 skip = len - (COLS - 2 - strlen(ellipsis));
278 for (pos = dlg.subtitles; pos != NULL; pos = pos->next) {
280 waddch(stdscr, ACS_RARROW);
289 if (skip < strlen(pos->text)) {
290 waddstr(stdscr, pos->text + skip);
293 skip -= strlen(pos->text);
301 for (i = len + 1; i < COLS - 1; i++)
302 waddch(stdscr, ACS_HLINE);
304 wnoutrefresh(stdscr);
308 * Do some initialization for dialog
310 int init_dialog(const char *backtitle)
314 initscr(); /* Init curses */
316 /* Get current cursor position for signal handler in mconf.c */
317 getyx(stdscr, saved_y, saved_x);
319 getmaxyx(stdscr, height, width);
320 if (height < 19 || width < 80) {
322 return -ERRDISPLAYTOOSMALL;
325 dlg.backtitle = backtitle;
326 color_setup(getenv("MENUCONFIG_COLOR"));
328 keypad(stdscr, TRUE);
336 void set_dialog_backtitle(const char *backtitle)
338 dlg.backtitle = backtitle;
341 void set_dialog_subtitles(struct subtitle_list *subtitles)
343 dlg.subtitles = subtitles;
347 * End using dialog functions.
349 void end_dialog(int x, int y)
351 /* move cursor back to original position */
357 /* Print the title of the dialog. Center the title and truncate
358 * tile if wider than dialog (- 2 chars).
360 void print_title(WINDOW *dialog, const char *title, int width)
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);
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.
377 void print_autowrap(WINDOW * win, const char *prompt, int width, int y, int x)
379 int newl, cur_x, cur_y;
380 int i, prompt_len, room, wlen;
381 char tempstr[MAX_LEN + 1], *word, *sp, *sp2;
383 strcpy(tempstr, prompt);
385 prompt_len = strlen(tempstr);
390 for (i = 0; i < prompt_len; i++) {
391 if (tempstr[i] == '\n')
395 if (prompt_len <= width - x * 2) { /* If prompt is short */
396 wmove(win, y, (width - prompt_len) / 2);
397 waddstr(win, tempstr);
403 while (word && *word) {
404 sp = strchr(word, ' ');
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;
414 (newl && wlen < 4 && sp
415 && wlen + 1 + strlen(sp) > room
416 && (!(sp2 = strchr(sp, ' '))
417 || wlen + 1 + (sp2 - sp) > room))) {
421 wmove(win, cur_y, cur_x);
423 getyx(win, cur_y, cur_x);
425 if (sp && *sp == ' ') {
426 cur_x++; /* double space */
427 while (*++sp == ' ') ;
439 void print_button(WINDOW * win, const char *label, int y, int x, int selected)
444 wattrset(win, selected ? dlg.button_active.atr
445 : dlg.button_inactive.atr);
447 temp = strspn(label, " ");
449 wattrset(win, selected ? dlg.button_label_active.atr
450 : dlg.button_label_inactive.atr);
451 for (i = 0; i < temp; i++)
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);
462 wmove(win, y, x + temp + 1);
466 * Draw a rectangular box with line drawing characters
469 draw_box(WINDOW * win, int y, int x, int height, int width,
470 chtype box, chtype border)
475 for (i = 0; i < height; i++) {
476 wmove(win, y + i, x);
477 for (j = 0; j < width; 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);
487 waddch(win, border | ACS_HLINE);
488 else if (i == height - 1)
489 waddch(win, box | ACS_HLINE);
491 waddch(win, border | ACS_VLINE);
492 else if (j == width - 1)
493 waddch(win, box | ACS_VLINE);
495 waddch(win, box | ' ');
500 * Draw shadows along the right and bottom edge to give a more 3D look
503 void draw_shadow(WINDOW * win, int y, int x, int height, int width)
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);
522 * Return the position of the first alphabetic character in a string.
524 int first_alpha(const char *string, const char *exempt)
526 int i, in_paren = 0, c;
528 for (i = 0; i < strlen(string); i++) {
529 c = tolower(string[i]);
531 if (strchr("<[(", c))
533 if (strchr(">])", c) && in_paren > 0)
536 if ((!in_paren) && isalpha(c) && strchr(exempt, c) == 0)
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.
552 int on_key_esc(WINDOW *win)
564 } while (key3 != ERR);
567 if (key == KEY_ESC && key2 == ERR)
569 else if (key != ERR && key != KEY_ESC && key2 == ERR)
575 /* redraw screen in new size */
576 int on_key_resize(void)
582 struct dialog_list *item_cur;
583 struct dialog_list item_nil;
584 struct dialog_list *item_head;
586 void item_reset(void)
588 struct dialog_list *p, *next;
590 for (p = item_head; p; p = next) {
595 item_cur = &item_nil;
598 void item_make(const char *fmt, ...)
601 struct dialog_list *p = malloc(sizeof(*p));
608 memset(p, 0, sizeof(*p));
611 vsnprintf(item_cur->node.str, sizeof(item_cur->node.str), fmt, ap);
615 void item_add_str(const char *fmt, ...)
620 avail = sizeof(item_cur->node.str) - strlen(item_cur->node.str);
623 vsnprintf(item_cur->node.str + strlen(item_cur->node.str),
625 item_cur->node.str[sizeof(item_cur->node.str) - 1] = '\0';
629 void item_set_tag(char tag)
631 item_cur->node.tag = tag;
633 void item_set_data(void *ptr)
635 item_cur->node.data = ptr;
638 void item_set_selected(int val)
640 item_cur->node.selected = val;
643 int item_activate_selected(void)
646 if (item_is_selected())
651 void *item_data(void)
653 return item_cur->node.data;
658 return item_cur->node.tag;
664 struct dialog_list *p;
666 for (p = item_head; p; p = p->next)
682 struct dialog_list *p;
684 for (p = item_head; p; p = p->next) {
692 const char *item_str(void)
694 return item_cur->node.str;
697 int item_is_selected(void)
699 return (item_cur->node.selected != 0);
702 int item_is_tag(char tag)
704 return (item_cur->node.tag == tag);