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1da177e4 LT |
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 "dialog.h" | |
23 | ||
98e5a157 | 24 | struct dialog_info dlg; |
1da177e4 | 25 | |
98e5a157 SR |
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 | } | |
1da177e4 | 58 | |
98e5a157 SR |
59 | #define DLG_COLOR(dialog, f, b, h) \ |
60 | do { \ | |
61 | dlg.dialog.fg = (f); \ | |
62 | dlg.dialog.bg = (b); \ | |
63 | dlg.dialog.hl = (h); \ | |
64 | } while (0) | |
65 | ||
66 | static void set_classic_theme(void) | |
67 | { | |
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); | |
97 | } | |
98 | ||
45897213 SR |
99 | static void set_blackbg_theme(void) |
100 | { | |
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); | |
106 | ||
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); | |
113 | ||
114 | DLG_COLOR(inputbox, COLOR_YELLOW, COLOR_BLACK, false); | |
115 | DLG_COLOR(inputbox_border, COLOR_YELLOW, COLOR_BLACK, false); | |
116 | ||
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); | |
120 | ||
121 | DLG_COLOR(position_indicator, COLOR_RED, COLOR_BLACK, false); | |
122 | ||
123 | DLG_COLOR(menubox, COLOR_YELLOW, COLOR_BLACK, false); | |
124 | DLG_COLOR(menubox_border, COLOR_BLACK, COLOR_BLACK, true); | |
125 | ||
126 | DLG_COLOR(item, COLOR_WHITE, COLOR_BLACK, false); | |
127 | DLG_COLOR(item_selected, COLOR_WHITE, COLOR_RED, false); | |
128 | ||
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); | |
133 | ||
134 | DLG_COLOR(check, COLOR_YELLOW, COLOR_BLACK, false); | |
135 | DLG_COLOR(check_selected, COLOR_YELLOW, COLOR_RED, true); | |
136 | ||
137 | DLG_COLOR(uarrow, COLOR_RED, COLOR_BLACK, false); | |
138 | DLG_COLOR(darrow, COLOR_RED, COLOR_BLACK, false); | |
139 | } | |
140 | ||
350b5b76 SR |
141 | static void set_bluetitle_theme(void) |
142 | { | |
143 | set_classic_theme(); | |
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); | |
151 | ||
152 | } | |
153 | ||
45897213 SR |
154 | /* |
155 | * Select color theme | |
156 | */ | |
157 | static int set_theme(const char *theme) | |
158 | { | |
159 | int use_color = 1; | |
160 | if (!theme) | |
350b5b76 | 161 | set_bluetitle_theme(); |
45897213 SR |
162 | else if (strcmp(theme, "classic") == 0) |
163 | set_classic_theme(); | |
350b5b76 SR |
164 | else if (strcmp(theme, "bluetitle") == 0) |
165 | set_bluetitle_theme(); | |
45897213 SR |
166 | else if (strcmp(theme, "blackbg") == 0) |
167 | set_blackbg_theme(); | |
168 | else if (strcmp(theme, "mono") == 0) | |
169 | use_color = 0; | |
170 | ||
171 | return use_color; | |
172 | } | |
173 | ||
98e5a157 SR |
174 | static void init_one_color(struct dialog_color *color) |
175 | { | |
176 | static int pair = 0; | |
177 | ||
178 | pair++; | |
179 | init_pair(pair, color->fg, color->bg); | |
180 | if (color->hl) | |
181 | color->atr = A_BOLD | COLOR_PAIR(pair); | |
182 | else | |
183 | color->atr = COLOR_PAIR(pair); | |
184 | } | |
185 | ||
186 | static void init_dialog_colors(void) | |
187 | { | |
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); | |
217 | } | |
1da177e4 LT |
218 | |
219 | /* | |
98e5a157 | 220 | * Setup for color display |
1da177e4 | 221 | */ |
45897213 | 222 | static void color_setup(const char *theme) |
98e5a157 | 223 | { |
c154348f RZ |
224 | int use_color; |
225 | ||
226 | use_color = set_theme(theme); | |
227 | if (use_color && has_colors()) { | |
228 | start_color(); | |
229 | init_dialog_colors(); | |
230 | } else | |
98e5a157 | 231 | set_mono_theme(); |
98e5a157 | 232 | } |
1da177e4 LT |
233 | |
234 | /* | |
235 | * Set window to attribute 'attr' | |
236 | */ | |
b1c5f1c6 | 237 | void attr_clear(WINDOW * win, int height, int width, chtype attr) |
1da177e4 | 238 | { |
b1c5f1c6 SR |
239 | int i, j; |
240 | ||
241 | wattrset(win, attr); | |
242 | for (i = 0; i < height; i++) { | |
243 | wmove(win, i, 0); | |
244 | for (j = 0; j < width; j++) | |
245 | waddch(win, ' '); | |
246 | } | |
247 | touchwin(win); | |
1da177e4 LT |
248 | } |
249 | ||
b1c5f1c6 | 250 | void dialog_clear(void) |
1da177e4 | 251 | { |
98e5a157 | 252 | attr_clear(stdscr, LINES, COLS, dlg.screen.atr); |
b1c5f1c6 | 253 | /* Display background title if it exists ... - SLH */ |
98e5a157 | 254 | if (dlg.backtitle != NULL) { |
b1c5f1c6 SR |
255 | int i; |
256 | ||
98e5a157 SR |
257 | wattrset(stdscr, dlg.screen.atr); |
258 | mvwaddstr(stdscr, 0, 1, (char *)dlg.backtitle); | |
b1c5f1c6 SR |
259 | wmove(stdscr, 1, 1); |
260 | for (i = 1; i < COLS - 1; i++) | |
261 | waddch(stdscr, ACS_HLINE); | |
262 | } | |
263 | wnoutrefresh(stdscr); | |
1da177e4 LT |
264 | } |
265 | ||
266 | /* | |
267 | * Do some initialization for dialog | |
268 | */ | |
2982de69 SR |
269 | void init_dialog(const char *backtitle) |
270 | { | |
271 | dlg.backtitle = backtitle; | |
272 | color_setup(getenv("MENUCONFIG_COLOR")); | |
273 | } | |
274 | ||
95e30f95 SR |
275 | void set_dialog_backtitle(const char *backtitle) |
276 | { | |
277 | dlg.backtitle = backtitle; | |
278 | } | |
279 | ||
2982de69 | 280 | void reset_dialog(void) |
1da177e4 | 281 | { |
b1c5f1c6 SR |
282 | initscr(); /* Init curses */ |
283 | keypad(stdscr, TRUE); | |
284 | cbreak(); | |
285 | noecho(); | |
b1c5f1c6 | 286 | dialog_clear(); |
1da177e4 LT |
287 | } |
288 | ||
1da177e4 LT |
289 | /* |
290 | * End using dialog functions. | |
291 | */ | |
b1c5f1c6 | 292 | void end_dialog(void) |
1da177e4 | 293 | { |
b1c5f1c6 | 294 | endwin(); |
1da177e4 LT |
295 | } |
296 | ||
fa7009d5 SR |
297 | /* Print the title of the dialog. Center the title and truncate |
298 | * tile if wider than dialog (- 2 chars). | |
299 | **/ | |
300 | void print_title(WINDOW *dialog, const char *title, int width) | |
301 | { | |
302 | if (title) { | |
303 | int tlen = MIN(width - 2, strlen(title)); | |
98e5a157 | 304 | wattrset(dialog, dlg.title.atr); |
fa7009d5 SR |
305 | mvwaddch(dialog, 0, (width - tlen) / 2 - 1, ' '); |
306 | mvwaddnstr(dialog, 0, (width - tlen)/2, title, tlen); | |
307 | waddch(dialog, ' '); | |
308 | } | |
309 | } | |
310 | ||
1da177e4 LT |
311 | /* |
312 | * Print a string of text in a window, automatically wrap around to the | |
313 | * next line if the string is too long to fit on one line. Newline | |
314 | * characters '\n' are replaced by spaces. We start on a new line | |
315 | * if there is no room for at least 4 nonblanks following a double-space. | |
316 | */ | |
b1c5f1c6 | 317 | void print_autowrap(WINDOW * win, const char *prompt, int width, int y, int x) |
1da177e4 | 318 | { |
b1c5f1c6 SR |
319 | int newl, cur_x, cur_y; |
320 | int i, prompt_len, room, wlen; | |
321 | char tempstr[MAX_LEN + 1], *word, *sp, *sp2; | |
322 | ||
323 | strcpy(tempstr, prompt); | |
324 | ||
325 | prompt_len = strlen(tempstr); | |
326 | ||
327 | /* | |
328 | * Remove newlines | |
329 | */ | |
330 | for (i = 0; i < prompt_len; i++) { | |
331 | if (tempstr[i] == '\n') | |
332 | tempstr[i] = ' '; | |
333 | } | |
334 | ||
335 | if (prompt_len <= width - x * 2) { /* If prompt is short */ | |
336 | wmove(win, y, (width - prompt_len) / 2); | |
337 | waddstr(win, tempstr); | |
338 | } else { | |
1da177e4 | 339 | cur_x = x; |
b1c5f1c6 | 340 | cur_y = y; |
1da177e4 | 341 | newl = 1; |
b1c5f1c6 SR |
342 | word = tempstr; |
343 | while (word && *word) { | |
f88d2055 | 344 | sp = strchr(word, ' '); |
b1c5f1c6 SR |
345 | if (sp) |
346 | *sp++ = 0; | |
347 | ||
348 | /* Wrap to next line if either the word does not fit, | |
349 | or it is the first word of a new sentence, and it is | |
350 | short, and the next word does not fit. */ | |
351 | room = width - cur_x; | |
352 | wlen = strlen(word); | |
353 | if (wlen > room || | |
354 | (newl && wlen < 4 && sp | |
355 | && wlen + 1 + strlen(sp) > room | |
f88d2055 | 356 | && (!(sp2 = strchr(sp, ' ')) |
b1c5f1c6 SR |
357 | || wlen + 1 + (sp2 - sp) > room))) { |
358 | cur_y++; | |
359 | cur_x = x; | |
360 | } | |
361 | wmove(win, cur_y, cur_x); | |
362 | waddstr(win, word); | |
363 | getyx(win, cur_y, cur_x); | |
364 | cur_x++; | |
365 | if (sp && *sp == ' ') { | |
366 | cur_x++; /* double space */ | |
367 | while (*++sp == ' ') ; | |
368 | newl = 1; | |
369 | } else | |
370 | newl = 0; | |
371 | word = sp; | |
372 | } | |
1da177e4 | 373 | } |
1da177e4 LT |
374 | } |
375 | ||
376 | /* | |
377 | * Print a button | |
378 | */ | |
b1c5f1c6 | 379 | void print_button(WINDOW * win, const char *label, int y, int x, int selected) |
1da177e4 | 380 | { |
b1c5f1c6 SR |
381 | int i, temp; |
382 | ||
383 | wmove(win, y, x); | |
98e5a157 SR |
384 | wattrset(win, selected ? dlg.button_active.atr |
385 | : dlg.button_inactive.atr); | |
b1c5f1c6 SR |
386 | waddstr(win, "<"); |
387 | temp = strspn(label, " "); | |
388 | label += temp; | |
98e5a157 SR |
389 | wattrset(win, selected ? dlg.button_label_active.atr |
390 | : dlg.button_label_inactive.atr); | |
b1c5f1c6 SR |
391 | for (i = 0; i < temp; i++) |
392 | waddch(win, ' '); | |
98e5a157 SR |
393 | wattrset(win, selected ? dlg.button_key_active.atr |
394 | : dlg.button_key_inactive.atr); | |
b1c5f1c6 | 395 | waddch(win, label[0]); |
98e5a157 SR |
396 | wattrset(win, selected ? dlg.button_label_active.atr |
397 | : dlg.button_label_inactive.atr); | |
b1c5f1c6 | 398 | waddstr(win, (char *)label + 1); |
98e5a157 SR |
399 | wattrset(win, selected ? dlg.button_active.atr |
400 | : dlg.button_inactive.atr); | |
b1c5f1c6 SR |
401 | waddstr(win, ">"); |
402 | wmove(win, y, x + temp + 1); | |
1da177e4 LT |
403 | } |
404 | ||
405 | /* | |
406 | * Draw a rectangular box with line drawing characters | |
407 | */ | |
408 | void | |
b1c5f1c6 SR |
409 | draw_box(WINDOW * win, int y, int x, int height, int width, |
410 | chtype box, chtype border) | |
1da177e4 | 411 | { |
b1c5f1c6 SR |
412 | int i, j; |
413 | ||
414 | wattrset(win, 0); | |
415 | for (i = 0; i < height; i++) { | |
416 | wmove(win, y + i, x); | |
417 | for (j = 0; j < width; j++) | |
418 | if (!i && !j) | |
419 | waddch(win, border | ACS_ULCORNER); | |
420 | else if (i == height - 1 && !j) | |
421 | waddch(win, border | ACS_LLCORNER); | |
422 | else if (!i && j == width - 1) | |
423 | waddch(win, box | ACS_URCORNER); | |
424 | else if (i == height - 1 && j == width - 1) | |
425 | waddch(win, box | ACS_LRCORNER); | |
426 | else if (!i) | |
427 | waddch(win, border | ACS_HLINE); | |
428 | else if (i == height - 1) | |
429 | waddch(win, box | ACS_HLINE); | |
430 | else if (!j) | |
431 | waddch(win, border | ACS_VLINE); | |
432 | else if (j == width - 1) | |
433 | waddch(win, box | ACS_VLINE); | |
434 | else | |
435 | waddch(win, box | ' '); | |
436 | } | |
1da177e4 LT |
437 | } |
438 | ||
439 | /* | |
440 | * Draw shadows along the right and bottom edge to give a more 3D look | |
441 | * to the boxes | |
442 | */ | |
b1c5f1c6 | 443 | void draw_shadow(WINDOW * win, int y, int x, int height, int width) |
1da177e4 | 444 | { |
b1c5f1c6 SR |
445 | int i; |
446 | ||
447 | if (has_colors()) { /* Whether terminal supports color? */ | |
98e5a157 | 448 | wattrset(win, dlg.shadow.atr); |
b1c5f1c6 SR |
449 | wmove(win, y + height, x + 2); |
450 | for (i = 0; i < width; i++) | |
451 | waddch(win, winch(win) & A_CHARTEXT); | |
452 | for (i = y + 1; i < y + height + 1; i++) { | |
453 | wmove(win, i, x + width); | |
454 | waddch(win, winch(win) & A_CHARTEXT); | |
455 | waddch(win, winch(win) & A_CHARTEXT); | |
456 | } | |
457 | wnoutrefresh(win); | |
1da177e4 | 458 | } |
1da177e4 LT |
459 | } |
460 | ||
461 | /* | |
462 | * Return the position of the first alphabetic character in a string. | |
463 | */ | |
b1c5f1c6 | 464 | int first_alpha(const char *string, const char *exempt) |
1da177e4 | 465 | { |
b1c5f1c6 | 466 | int i, in_paren = 0, c; |
1da177e4 LT |
467 | |
468 | for (i = 0; i < strlen(string); i++) { | |
469 | c = tolower(string[i]); | |
470 | ||
b1c5f1c6 SR |
471 | if (strchr("<[(", c)) |
472 | ++in_paren; | |
473 | if (strchr(">])", c) && in_paren > 0) | |
474 | --in_paren; | |
1da177e4 | 475 | |
b1c5f1c6 | 476 | if ((!in_paren) && isalpha(c) && strchr(exempt, c) == 0) |
1da177e4 LT |
477 | return i; |
478 | } | |
479 | ||
480 | return 0; | |
481 | } | |
2982de69 | 482 | |
f3cbcdc9 SR |
483 | /* |
484 | * ncurses uses ESC to detect escaped char sequences. This resutl in | |
485 | * a small timeout before ESC is actually delivered to the application. | |
486 | * lxdialog suggest <ESC> <ESC> which is correctly translated to two | |
487 | * times esc. But then we need to ignore the second esc to avoid stepping | |
488 | * out one menu too much. Filter away all escaped key sequences since | |
489 | * keypad(FALSE) turn off ncurses support for escape sequences - and thats | |
490 | * needed to make notimeout() do as expected. | |
491 | */ | |
492 | int on_key_esc(WINDOW *win) | |
493 | { | |
494 | int key; | |
495 | int key2; | |
496 | int key3; | |
497 | ||
498 | nodelay(win, TRUE); | |
499 | keypad(win, FALSE); | |
500 | key = wgetch(win); | |
501 | key2 = wgetch(win); | |
502 | do { | |
503 | key3 = wgetch(win); | |
504 | } while (key3 != ERR); | |
505 | nodelay(win, FALSE); | |
506 | keypad(win, TRUE); | |
507 | if (key == KEY_ESC && key2 == ERR) | |
508 | return KEY_ESC; | |
509 | else if (key != ERR && key != KEY_ESC && key2 == ERR) | |
510 | ungetch(key); | |
511 | ||
512 | return -1; | |
513 | } | |
514 | ||
c8dc68ad SR |
515 | /* redraw screen in new size */ |
516 | int on_key_resize(void) | |
517 | { | |
518 | dialog_clear(); | |
519 | return KEY_RESIZE; | |
520 | } | |
f3cbcdc9 | 521 | |
2982de69 SR |
522 | struct dialog_list *item_cur; |
523 | struct dialog_list item_nil; | |
524 | struct dialog_list *item_head; | |
525 | ||
526 | void item_reset(void) | |
527 | { | |
528 | struct dialog_list *p, *next; | |
529 | ||
530 | for (p = item_head; p; p = next) { | |
531 | next = p->next; | |
532 | free(p); | |
533 | } | |
534 | item_head = NULL; | |
535 | item_cur = &item_nil; | |
536 | } | |
537 | ||
538 | void item_make(const char *fmt, ...) | |
539 | { | |
540 | va_list ap; | |
541 | struct dialog_list *p = malloc(sizeof(*p)); | |
542 | ||
543 | if (item_head) | |
544 | item_cur->next = p; | |
545 | else | |
546 | item_head = p; | |
547 | item_cur = p; | |
548 | memset(p, 0, sizeof(*p)); | |
549 | ||
550 | va_start(ap, fmt); | |
551 | vsnprintf(item_cur->node.str, sizeof(item_cur->node.str), fmt, ap); | |
552 | va_end(ap); | |
553 | } | |
554 | ||
555 | void item_add_str(const char *fmt, ...) | |
556 | { | |
557 | va_list ap; | |
558 | size_t avail; | |
559 | ||
560 | avail = sizeof(item_cur->node.str) - strlen(item_cur->node.str); | |
561 | ||
562 | va_start(ap, fmt); | |
563 | vsnprintf(item_cur->node.str + strlen(item_cur->node.str), | |
564 | avail, fmt, ap); | |
565 | item_cur->node.str[sizeof(item_cur->node.str) - 1] = '\0'; | |
566 | va_end(ap); | |
567 | } | |
568 | ||
569 | void item_set_tag(char tag) | |
570 | { | |
571 | item_cur->node.tag = tag; | |
572 | } | |
573 | void item_set_data(void *ptr) | |
574 | { | |
575 | item_cur->node.data = ptr; | |
576 | } | |
577 | ||
578 | void item_set_selected(int val) | |
579 | { | |
580 | item_cur->node.selected = val; | |
581 | } | |
582 | ||
583 | int item_activate_selected(void) | |
584 | { | |
585 | item_foreach() | |
586 | if (item_is_selected()) | |
587 | return 1; | |
588 | return 0; | |
589 | } | |
590 | ||
591 | void *item_data(void) | |
592 | { | |
593 | return item_cur->node.data; | |
594 | } | |
595 | ||
596 | char item_tag(void) | |
597 | { | |
598 | return item_cur->node.tag; | |
599 | } | |
600 | ||
601 | int item_count(void) | |
602 | { | |
603 | int n = 0; | |
604 | struct dialog_list *p; | |
605 | ||
606 | for (p = item_head; p; p = p->next) | |
607 | n++; | |
608 | return n; | |
609 | } | |
610 | ||
611 | void item_set(int n) | |
612 | { | |
613 | int i = 0; | |
614 | item_foreach() | |
615 | if (i++ == n) | |
616 | return; | |
617 | } | |
618 | ||
619 | int item_n(void) | |
620 | { | |
621 | int n = 0; | |
622 | struct dialog_list *p; | |
623 | ||
624 | for (p = item_head; p; p = p->next) { | |
625 | if (p == item_cur) | |
626 | return n; | |
627 | n++; | |
628 | } | |
629 | return 0; | |
630 | } | |
631 | ||
632 | const char *item_str(void) | |
633 | { | |
634 | return item_cur->node.str; | |
635 | } | |
636 | ||
637 | int item_is_selected(void) | |
638 | { | |
639 | return (item_cur->node.selected != 0); | |
640 | } | |
641 | ||
642 | int item_is_tag(char tag) | |
643 | { | |
644 | return (item_cur->node.tag == tag); | |
645 | } |