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.
24 struct dialog_info dlg;
26 static void set_mono_theme(void)
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;
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;
59 #define DLG_COLOR(dialog, f, b, h) \
61 dlg.dialog.fg = (f); \
62 dlg.dialog.bg = (b); \
63 dlg.dialog.hl = (h); \
66 static void set_classic_theme(void)
68 DLG_COLOR(screen, COLOR_CYAN, COLOR_BLUE, true);
69 DLG_COLOR(shadow, COLOR_BLACK, COLOR_BLACK, true);
70 DLG_COLOR(dialog, COLOR_BLACK, COLOR_WHITE, false);
71 DLG_COLOR(title, COLOR_YELLOW, COLOR_WHITE, true);
72 DLG_COLOR(border, COLOR_WHITE, COLOR_WHITE, true);
73 DLG_COLOR(button_active, COLOR_WHITE, COLOR_BLUE, true);
74 DLG_COLOR(button_inactive, COLOR_BLACK, COLOR_WHITE, false);
75 DLG_COLOR(button_key_active, COLOR_WHITE, COLOR_BLUE, true);
76 DLG_COLOR(button_key_inactive, COLOR_RED, COLOR_WHITE, false);
77 DLG_COLOR(button_label_active, COLOR_YELLOW, COLOR_BLUE, true);
78 DLG_COLOR(button_label_inactive, COLOR_BLACK, COLOR_WHITE, true);
79 DLG_COLOR(inputbox, COLOR_BLACK, COLOR_WHITE, false);
80 DLG_COLOR(inputbox_border, COLOR_BLACK, COLOR_WHITE, false);
81 DLG_COLOR(searchbox, COLOR_BLACK, COLOR_WHITE, false);
82 DLG_COLOR(searchbox_title, COLOR_YELLOW, COLOR_WHITE, true);
83 DLG_COLOR(searchbox_border, COLOR_WHITE, COLOR_WHITE, true);
84 DLG_COLOR(position_indicator, COLOR_YELLOW, COLOR_WHITE, true);
85 DLG_COLOR(menubox, COLOR_BLACK, COLOR_WHITE, false);
86 DLG_COLOR(menubox_border, COLOR_WHITE, COLOR_WHITE, true);
87 DLG_COLOR(item, COLOR_BLACK, COLOR_WHITE, false);
88 DLG_COLOR(item_selected, COLOR_WHITE, COLOR_BLUE, true);
89 DLG_COLOR(tag, COLOR_YELLOW, COLOR_WHITE, true);
90 DLG_COLOR(tag_selected, COLOR_YELLOW, COLOR_BLUE, true);
91 DLG_COLOR(tag_key, COLOR_YELLOW, COLOR_WHITE, true);
92 DLG_COLOR(tag_key_selected, COLOR_YELLOW, COLOR_BLUE, true);
93 DLG_COLOR(check, COLOR_BLACK, COLOR_WHITE, false);
94 DLG_COLOR(check_selected, COLOR_WHITE, COLOR_BLUE, true);
95 DLG_COLOR(uarrow, COLOR_GREEN, COLOR_WHITE, true);
96 DLG_COLOR(darrow, COLOR_GREEN, COLOR_WHITE, true);
99 static void set_blackbg_theme(void)
101 DLG_COLOR(screen, COLOR_RED, COLOR_BLACK, true);
102 DLG_COLOR(shadow, COLOR_BLACK, COLOR_BLACK, false);
103 DLG_COLOR(dialog, COLOR_WHITE, COLOR_BLACK, false);
104 DLG_COLOR(title, COLOR_RED, COLOR_BLACK, false);
105 DLG_COLOR(border, COLOR_BLACK, COLOR_BLACK, true);
107 DLG_COLOR(button_active, COLOR_YELLOW, COLOR_RED, false);
108 DLG_COLOR(button_inactive, COLOR_YELLOW, COLOR_BLACK, false);
109 DLG_COLOR(button_key_active, COLOR_YELLOW, COLOR_RED, true);
110 DLG_COLOR(button_key_inactive, COLOR_RED, COLOR_BLACK, false);
111 DLG_COLOR(button_label_active, COLOR_WHITE, COLOR_RED, false);
112 DLG_COLOR(button_label_inactive, COLOR_BLACK, COLOR_BLACK, true);
114 DLG_COLOR(inputbox, COLOR_YELLOW, COLOR_BLACK, false);
115 DLG_COLOR(inputbox_border, COLOR_YELLOW, COLOR_BLACK, false);
117 DLG_COLOR(searchbox, COLOR_YELLOW, COLOR_BLACK, false);
118 DLG_COLOR(searchbox_title, COLOR_YELLOW, COLOR_BLACK, true);
119 DLG_COLOR(searchbox_border, COLOR_BLACK, COLOR_BLACK, true);
121 DLG_COLOR(position_indicator, COLOR_RED, COLOR_BLACK, false);
123 DLG_COLOR(menubox, COLOR_YELLOW, COLOR_BLACK, false);
124 DLG_COLOR(menubox_border, COLOR_BLACK, COLOR_BLACK, true);
126 DLG_COLOR(item, COLOR_WHITE, COLOR_BLACK, false);
127 DLG_COLOR(item_selected, COLOR_WHITE, COLOR_RED, false);
129 DLG_COLOR(tag, COLOR_RED, COLOR_BLACK, false);
130 DLG_COLOR(tag_selected, COLOR_YELLOW, COLOR_RED, true);
131 DLG_COLOR(tag_key, COLOR_RED, COLOR_BLACK, false);
132 DLG_COLOR(tag_key_selected, COLOR_YELLOW, COLOR_RED, true);
134 DLG_COLOR(check, COLOR_YELLOW, COLOR_BLACK, false);
135 DLG_COLOR(check_selected, COLOR_YELLOW, COLOR_RED, true);
137 DLG_COLOR(uarrow, COLOR_RED, COLOR_BLACK, false);
138 DLG_COLOR(darrow, COLOR_RED, COLOR_BLACK, false);
141 static void set_bluetitle_theme(void)
144 DLG_COLOR(title, COLOR_BLUE, COLOR_WHITE, true);
145 DLG_COLOR(button_key_active, COLOR_YELLOW, COLOR_BLUE, true);
146 DLG_COLOR(button_label_active, COLOR_WHITE, COLOR_BLUE, true);
147 DLG_COLOR(searchbox_title, COLOR_BLUE, COLOR_WHITE, true);
148 DLG_COLOR(position_indicator, COLOR_BLUE, COLOR_WHITE, true);
149 DLG_COLOR(tag, COLOR_BLUE, COLOR_WHITE, true);
150 DLG_COLOR(tag_key, COLOR_BLUE, COLOR_WHITE, true);
157 static int set_theme(const char *theme)
161 set_bluetitle_theme();
162 else if (strcmp(theme, "classic") == 0)
164 else if (strcmp(theme, "bluetitle") == 0)
165 set_bluetitle_theme();
166 else if (strcmp(theme, "blackbg") == 0)
168 else if (strcmp(theme, "mono") == 0)
174 static void init_one_color(struct dialog_color *color)
179 init_pair(pair, color->fg, color->bg);
181 color->atr = A_BOLD | COLOR_PAIR(pair);
183 color->atr = COLOR_PAIR(pair);
186 static void init_dialog_colors(void)
188 init_one_color(&dlg.screen);
189 init_one_color(&dlg.shadow);
190 init_one_color(&dlg.dialog);
191 init_one_color(&dlg.title);
192 init_one_color(&dlg.border);
193 init_one_color(&dlg.button_active);
194 init_one_color(&dlg.button_inactive);
195 init_one_color(&dlg.button_key_active);
196 init_one_color(&dlg.button_key_inactive);
197 init_one_color(&dlg.button_label_active);
198 init_one_color(&dlg.button_label_inactive);
199 init_one_color(&dlg.inputbox);
200 init_one_color(&dlg.inputbox_border);
201 init_one_color(&dlg.searchbox);
202 init_one_color(&dlg.searchbox_title);
203 init_one_color(&dlg.searchbox_border);
204 init_one_color(&dlg.position_indicator);
205 init_one_color(&dlg.menubox);
206 init_one_color(&dlg.menubox_border);
207 init_one_color(&dlg.item);
208 init_one_color(&dlg.item_selected);
209 init_one_color(&dlg.tag);
210 init_one_color(&dlg.tag_selected);
211 init_one_color(&dlg.tag_key);
212 init_one_color(&dlg.tag_key_selected);
213 init_one_color(&dlg.check);
214 init_one_color(&dlg.check_selected);
215 init_one_color(&dlg.uarrow);
216 init_one_color(&dlg.darrow);
220 * Setup for color display
222 static void color_setup(const char *theme)
226 use_color = set_theme(theme);
227 if (use_color && has_colors()) {
229 init_dialog_colors();
235 * Set window to attribute 'attr'
237 void attr_clear(WINDOW * win, int height, int width, chtype attr)
242 for (i = 0; i < height; i++) {
244 for (j = 0; j < width; j++)
250 void dialog_clear(void)
252 attr_clear(stdscr, LINES, COLS, dlg.screen.atr);
253 /* Display background title if it exists ... - SLH */
254 if (dlg.backtitle != NULL) {
257 wattrset(stdscr, dlg.screen.atr);
258 mvwaddstr(stdscr, 0, 1, (char *)dlg.backtitle);
260 for (i = 1; i < COLS - 1; i++)
261 waddch(stdscr, ACS_HLINE);
263 wnoutrefresh(stdscr);
267 * Do some initialization for dialog
269 int init_dialog(const char *backtitle)
273 initscr(); /* Init curses */
274 getmaxyx(stdscr, height, width);
275 if (height < 19 || width < 80) {
277 return -ERRDISPLAYTOOSMALL;
280 dlg.backtitle = backtitle;
281 color_setup(getenv("MENUCONFIG_COLOR"));
283 keypad(stdscr, TRUE);
291 void set_dialog_backtitle(const char *backtitle)
293 dlg.backtitle = backtitle;
297 * End using dialog functions.
299 void end_dialog(int x, int y)
301 /* move cursor back to original position */
307 /* Print the title of the dialog. Center the title and truncate
308 * tile if wider than dialog (- 2 chars).
310 void print_title(WINDOW *dialog, const char *title, int width)
313 int tlen = MIN(width - 2, strlen(title));
314 wattrset(dialog, dlg.title.atr);
315 mvwaddch(dialog, 0, (width - tlen) / 2 - 1, ' ');
316 mvwaddnstr(dialog, 0, (width - tlen)/2, title, tlen);
322 * Print a string of text in a window, automatically wrap around to the
323 * next line if the string is too long to fit on one line. Newline
324 * characters '\n' are replaced by spaces. We start on a new line
325 * if there is no room for at least 4 nonblanks following a double-space.
327 void print_autowrap(WINDOW * win, const char *prompt, int width, int y, int x)
329 int newl, cur_x, cur_y;
330 int i, prompt_len, room, wlen;
331 char tempstr[MAX_LEN + 1], *word, *sp, *sp2;
333 strcpy(tempstr, prompt);
335 prompt_len = strlen(tempstr);
340 for (i = 0; i < prompt_len; i++) {
341 if (tempstr[i] == '\n')
345 if (prompt_len <= width - x * 2) { /* If prompt is short */
346 wmove(win, y, (width - prompt_len) / 2);
347 waddstr(win, tempstr);
353 while (word && *word) {
354 sp = strchr(word, ' ');
358 /* Wrap to next line if either the word does not fit,
359 or it is the first word of a new sentence, and it is
360 short, and the next word does not fit. */
361 room = width - cur_x;
364 (newl && wlen < 4 && sp
365 && wlen + 1 + strlen(sp) > room
366 && (!(sp2 = strchr(sp, ' '))
367 || wlen + 1 + (sp2 - sp) > room))) {
371 wmove(win, cur_y, cur_x);
373 getyx(win, cur_y, cur_x);
375 if (sp && *sp == ' ') {
376 cur_x++; /* double space */
377 while (*++sp == ' ') ;
389 void print_button(WINDOW * win, const char *label, int y, int x, int selected)
394 wattrset(win, selected ? dlg.button_active.atr
395 : dlg.button_inactive.atr);
397 temp = strspn(label, " ");
399 wattrset(win, selected ? dlg.button_label_active.atr
400 : dlg.button_label_inactive.atr);
401 for (i = 0; i < temp; i++)
403 wattrset(win, selected ? dlg.button_key_active.atr
404 : dlg.button_key_inactive.atr);
405 waddch(win, label[0]);
406 wattrset(win, selected ? dlg.button_label_active.atr
407 : dlg.button_label_inactive.atr);
408 waddstr(win, (char *)label + 1);
409 wattrset(win, selected ? dlg.button_active.atr
410 : dlg.button_inactive.atr);
412 wmove(win, y, x + temp + 1);
416 * Draw a rectangular box with line drawing characters
419 draw_box(WINDOW * win, int y, int x, int height, int width,
420 chtype box, chtype border)
425 for (i = 0; i < height; i++) {
426 wmove(win, y + i, x);
427 for (j = 0; j < width; j++)
429 waddch(win, border | ACS_ULCORNER);
430 else if (i == height - 1 && !j)
431 waddch(win, border | ACS_LLCORNER);
432 else if (!i && j == width - 1)
433 waddch(win, box | ACS_URCORNER);
434 else if (i == height - 1 && j == width - 1)
435 waddch(win, box | ACS_LRCORNER);
437 waddch(win, border | ACS_HLINE);
438 else if (i == height - 1)
439 waddch(win, box | ACS_HLINE);
441 waddch(win, border | ACS_VLINE);
442 else if (j == width - 1)
443 waddch(win, box | ACS_VLINE);
445 waddch(win, box | ' ');
450 * Draw shadows along the right and bottom edge to give a more 3D look
453 void draw_shadow(WINDOW * win, int y, int x, int height, int width)
457 if (has_colors()) { /* Whether terminal supports color? */
458 wattrset(win, dlg.shadow.atr);
459 wmove(win, y + height, x + 2);
460 for (i = 0; i < width; i++)
461 waddch(win, winch(win) & A_CHARTEXT);
462 for (i = y + 1; i < y + height + 1; i++) {
463 wmove(win, i, x + width);
464 waddch(win, winch(win) & A_CHARTEXT);
465 waddch(win, winch(win) & A_CHARTEXT);
472 * Return the position of the first alphabetic character in a string.
474 int first_alpha(const char *string, const char *exempt)
476 int i, in_paren = 0, c;
478 for (i = 0; i < strlen(string); i++) {
479 c = tolower(string[i]);
481 if (strchr("<[(", c))
483 if (strchr(">])", c) && in_paren > 0)
486 if ((!in_paren) && isalpha(c) && strchr(exempt, c) == 0)
494 * ncurses uses ESC to detect escaped char sequences. This resutl in
495 * a small timeout before ESC is actually delivered to the application.
496 * lxdialog suggest <ESC> <ESC> which is correctly translated to two
497 * times esc. But then we need to ignore the second esc to avoid stepping
498 * out one menu too much. Filter away all escaped key sequences since
499 * keypad(FALSE) turn off ncurses support for escape sequences - and thats
500 * needed to make notimeout() do as expected.
502 int on_key_esc(WINDOW *win)
514 } while (key3 != ERR);
517 if (key == KEY_ESC && key2 == ERR)
519 else if (key != ERR && key != KEY_ESC && key2 == ERR)
525 /* redraw screen in new size */
526 int on_key_resize(void)
532 struct dialog_list *item_cur;
533 struct dialog_list item_nil;
534 struct dialog_list *item_head;
536 void item_reset(void)
538 struct dialog_list *p, *next;
540 for (p = item_head; p; p = next) {
545 item_cur = &item_nil;
548 void item_make(const char *fmt, ...)
551 struct dialog_list *p = malloc(sizeof(*p));
558 memset(p, 0, sizeof(*p));
561 vsnprintf(item_cur->node.str, sizeof(item_cur->node.str), fmt, ap);
565 void item_add_str(const char *fmt, ...)
570 avail = sizeof(item_cur->node.str) - strlen(item_cur->node.str);
573 vsnprintf(item_cur->node.str + strlen(item_cur->node.str),
575 item_cur->node.str[sizeof(item_cur->node.str) - 1] = '\0';
579 void item_set_tag(char tag)
581 item_cur->node.tag = tag;
583 void item_set_data(void *ptr)
585 item_cur->node.data = ptr;
588 void item_set_selected(int val)
590 item_cur->node.selected = val;
593 int item_activate_selected(void)
596 if (item_is_selected())
601 void *item_data(void)
603 return item_cur->node.data;
608 return item_cur->node.tag;
614 struct dialog_list *p;
616 for (p = item_head; p; p = p->next)
632 struct dialog_list *p;
634 for (p = item_head; p; p = p->next) {
642 const char *item_str(void)
644 return item_cur->node.str;
647 int item_is_selected(void)
649 return (item_cur->node.selected != 0);
652 int item_is_tag(char tag)
654 return (item_cur->node.tag == tag);