author | kergoth <kergoth> | 2002-10-31 17:11:35 (UTC) |
---|---|---|
committer | kergoth <kergoth> | 2002-10-31 17:11:35 (UTC) |
commit | d955226c2197578f69c510282a4e9ad1ea8fe771 (patch) (unidiff) | |
tree | 0d8f210dd012559df4e3432ccc8ce96e9bd15853 /scripts/lxdialog/checklist.c | |
parent | 16fcb285f9ba7c514fc3f2695768a82feeb7182b (diff) | |
download | opie-d955226c2197578f69c510282a4e9ad1ea8fe771.zip opie-d955226c2197578f69c510282a4e9ad1ea8fe771.tar.gz opie-d955226c2197578f69c510282a4e9ad1ea8fe771.tar.bz2 |
Initial bits to start work on revamping the buildsystem
Diffstat (limited to 'scripts/lxdialog/checklist.c') (more/less context) (ignore whitespace changes)
-rw-r--r-- | scripts/lxdialog/checklist.c | 369 |
1 files changed, 369 insertions, 0 deletions
diff --git a/scripts/lxdialog/checklist.c b/scripts/lxdialog/checklist.c new file mode 100644 index 0000000..4f78688 --- a/dev/null +++ b/scripts/lxdialog/checklist.c | |||
@@ -0,0 +1,369 @@ | |||
1 | /* | ||
2 | * checklist.c -- implements the checklist box | ||
3 | * | ||
4 | * ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk) | ||
5 | * Stuart Herbert - S.Herbert@sheffield.ac.uk: radiolist extension | ||
6 | * Alessandro Rubini - rubini@ipvvis.unipv.it: merged the two | ||
7 | * MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com) | ||
8 | * | ||
9 | * This program is free software; you can redistribute it and/or | ||
10 | * modify it under the terms of the GNU General Public License | ||
11 | * as published by the Free Software Foundation; either version 2 | ||
12 | * of the License, or (at your option) any later version. | ||
13 | * | ||
14 | * This program is distributed in the hope that it will be useful, | ||
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
17 | * GNU General Public License for more details. | ||
18 | * | ||
19 | * You should have received a copy of the GNU General Public License | ||
20 | * along with this program; if not, write to the Free Software | ||
21 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
22 | */ | ||
23 | |||
24 | #include "dialog.h" | ||
25 | |||
26 | static int list_width, check_x, item_x, checkflag; | ||
27 | |||
28 | /* | ||
29 | * Print list item | ||
30 | */ | ||
31 | static void | ||
32 | print_item (WINDOW * win, const char *item, int status, | ||
33 | int choice, int selected) | ||
34 | { | ||
35 | int i; | ||
36 | |||
37 | /* Clear 'residue' of last item */ | ||
38 | wattrset (win, menubox_attr); | ||
39 | wmove (win, choice, 0); | ||
40 | for (i = 0; i < list_width; i++) | ||
41 | waddch (win, ' '); | ||
42 | |||
43 | wmove (win, choice, check_x); | ||
44 | wattrset (win, selected ? check_selected_attr : check_attr); | ||
45 | if (checkflag == FLAG_CHECK) | ||
46 | wprintw (win, "[%c]", status ? 'X' : ' '); | ||
47 | else | ||
48 | wprintw (win, "(%c)", status ? 'X' : ' '); | ||
49 | |||
50 | wattrset (win, selected ? tag_selected_attr : tag_attr); | ||
51 | mvwaddch(win, choice, item_x, item[0]); | ||
52 | wattrset (win, selected ? item_selected_attr : item_attr); | ||
53 | waddstr (win, (char *)item+1); | ||
54 | if (selected) { | ||
55 | wmove (win, choice, check_x+1); | ||
56 | wrefresh (win); | ||
57 | } | ||
58 | } | ||
59 | |||
60 | /* | ||
61 | * Print the scroll indicators. | ||
62 | */ | ||
63 | static void | ||
64 | print_arrows (WINDOW * win, int choice, int item_no, int scroll, | ||
65 | int y, int x, int height) | ||
66 | { | ||
67 | wmove(win, y, x); | ||
68 | |||
69 | if (scroll > 0) { | ||
70 | wattrset (win, uarrow_attr); | ||
71 | waddch (win, ACS_UARROW); | ||
72 | waddstr (win, "(-)"); | ||
73 | } | ||
74 | else { | ||
75 | wattrset (win, menubox_attr); | ||
76 | waddch (win, ACS_HLINE); | ||
77 | waddch (win, ACS_HLINE); | ||
78 | waddch (win, ACS_HLINE); | ||
79 | waddch (win, ACS_HLINE); | ||
80 | } | ||
81 | |||
82 | y = y + height + 1; | ||
83 | wmove(win, y, x); | ||
84 | |||
85 | if ((height < item_no) && (scroll + choice < item_no - 1)) { | ||
86 | wattrset (win, darrow_attr); | ||
87 | waddch (win, ACS_DARROW); | ||
88 | waddstr (win, "(+)"); | ||
89 | } | ||
90 | else { | ||
91 | wattrset (win, menubox_border_attr); | ||
92 | waddch (win, ACS_HLINE); | ||
93 | waddch (win, ACS_HLINE); | ||
94 | waddch (win, ACS_HLINE); | ||
95 | waddch (win, ACS_HLINE); | ||
96 | } | ||
97 | } | ||
98 | |||
99 | /* | ||
100 | * Display the termination buttons | ||
101 | */ | ||
102 | static void | ||
103 | print_buttons( WINDOW *dialog, int height, int width, int selected) | ||
104 | { | ||
105 | int x = width / 2 - 11; | ||
106 | int y = height - 2; | ||
107 | |||
108 | print_button (dialog, "Select", y, x, selected == 0); | ||
109 | print_button (dialog, " Help ", y, x + 14, selected == 1); | ||
110 | |||
111 | wmove(dialog, y, x+1 + 14*selected); | ||
112 | wrefresh (dialog); | ||
113 | } | ||
114 | |||
115 | /* | ||
116 | * Display a dialog box with a list of options that can be turned on or off | ||
117 | * The `flag' parameter is used to select between radiolist and checklist. | ||
118 | */ | ||
119 | int | ||
120 | dialog_checklist (const char *title, const char *prompt, int height, int width, | ||
121 | int list_height, int item_no, const char * const * items, int flag) | ||
122 | |||
123 | { | ||
124 | int i, x, y, box_x, box_y; | ||
125 | int key = 0, button = 0, choice = 0, scroll = 0, max_choice, *status; | ||
126 | WINDOW *dialog, *list; | ||
127 | |||
128 | checkflag = flag; | ||
129 | |||
130 | /* Allocate space for storing item on/off status */ | ||
131 | if ((status = malloc (sizeof (int) * item_no)) == NULL) { | ||
132 | endwin (); | ||
133 | fprintf (stderr, | ||
134 | "\nCan't allocate memory in dialog_checklist().\n"); | ||
135 | exit (-1); | ||
136 | } | ||
137 | |||
138 | /* Initializes status */ | ||
139 | for (i = 0; i < item_no; i++) { | ||
140 | status[i] = !strcasecmp (items[i * 3 + 2], "on"); | ||
141 | if (!choice && status[i]) | ||
142 | choice = i; | ||
143 | } | ||
144 | |||
145 | max_choice = MIN (list_height, item_no); | ||
146 | |||
147 | /* center dialog box on screen */ | ||
148 | x = (COLS - width) / 2; | ||
149 | y = (LINES - height) / 2; | ||
150 | |||
151 | draw_shadow (stdscr, y, x, height, width); | ||
152 | |||
153 | dialog = newwin (height, width, y, x); | ||
154 | keypad (dialog, TRUE); | ||
155 | |||
156 | draw_box (dialog, 0, 0, height, width, dialog_attr, border_attr); | ||
157 | wattrset (dialog, border_attr); | ||
158 | mvwaddch (dialog, height-3, 0, ACS_LTEE); | ||
159 | for (i = 0; i < width - 2; i++) | ||
160 | waddch (dialog, ACS_HLINE); | ||
161 | wattrset (dialog, dialog_attr); | ||
162 | waddch (dialog, ACS_RTEE); | ||
163 | |||
164 | if (title != NULL && strlen(title) >= width-2 ) { | ||
165 | /* truncate long title -- mec */ | ||
166 | char * title2 = malloc(width-2+1); | ||
167 | memcpy( title2, title, width-2 ); | ||
168 | title2[width-2] = '\0'; | ||
169 | title = title2; | ||
170 | } | ||
171 | |||
172 | if (title != NULL) { | ||
173 | wattrset (dialog, title_attr); | ||
174 | mvwaddch (dialog, 0, (width - strlen(title))/2 - 1, ' '); | ||
175 | waddstr (dialog, (char *)title); | ||
176 | waddch (dialog, ' '); | ||
177 | } | ||
178 | |||
179 | wattrset (dialog, dialog_attr); | ||
180 | print_autowrap (dialog, prompt, width - 2, 1, 3); | ||
181 | |||
182 | list_width = width - 6; | ||
183 | box_y = height - list_height - 5; | ||
184 | box_x = (width - list_width) / 2 - 1; | ||
185 | |||
186 | /* create new window for the list */ | ||
187 | list = subwin (dialog, list_height, list_width, y+box_y+1, x+box_x+1); | ||
188 | |||
189 | keypad (list, TRUE); | ||
190 | |||
191 | /* draw a box around the list items */ | ||
192 | draw_box (dialog, box_y, box_x, list_height + 2, list_width + 2, | ||
193 | menubox_border_attr, menubox_attr); | ||
194 | |||
195 | /* Find length of longest item in order to center checklist */ | ||
196 | check_x = 0; | ||
197 | for (i = 0; i < item_no; i++) | ||
198 | check_x = MAX (check_x, + strlen (items[i * 3 + 1]) + 4); | ||
199 | |||
200 | check_x = (list_width - check_x) / 2; | ||
201 | item_x = check_x + 4; | ||
202 | |||
203 | if (choice >= list_height) { | ||
204 | scroll = choice - list_height + 1; | ||
205 | choice -= scroll; | ||
206 | } | ||
207 | |||
208 | /* Print the list */ | ||
209 | for (i = 0; i < max_choice; i++) { | ||
210 | print_item (list, items[(scroll+i) * 3 + 1], | ||
211 | status[i+scroll], i, i == choice); | ||
212 | } | ||
213 | |||
214 | print_arrows(dialog, choice, item_no, scroll, | ||
215 | box_y, box_x + check_x + 5, list_height); | ||
216 | |||
217 | print_buttons(dialog, height, width, 0); | ||
218 | |||
219 | wnoutrefresh (list); | ||
220 | wnoutrefresh (dialog); | ||
221 | doupdate (); | ||
222 | |||
223 | while (key != ESC) { | ||
224 | key = wgetch (dialog); | ||
225 | |||
226 | for (i = 0; i < max_choice; i++) | ||
227 | if (toupper(key) == toupper(items[(scroll+i)*3+1][0])) | ||
228 | break; | ||
229 | |||
230 | |||
231 | if ( i < max_choice || key == KEY_UP || key == KEY_DOWN || | ||
232 | key == '+' || key == '-' ) { | ||
233 | if (key == KEY_UP || key == '-') { | ||
234 | if (!choice) { | ||
235 | if (!scroll) | ||
236 | continue; | ||
237 | /* Scroll list down */ | ||
238 | if (list_height > 1) { | ||
239 | /* De-highlight current first item */ | ||
240 | print_item (list, items[scroll * 3 + 1], | ||
241 | status[scroll], 0, FALSE); | ||
242 | scrollok (list, TRUE); | ||
243 | wscrl (list, -1); | ||
244 | scrollok (list, FALSE); | ||
245 | } | ||
246 | scroll--; | ||
247 | print_item (list, items[scroll * 3 + 1], | ||
248 | status[scroll], 0, TRUE); | ||
249 | wnoutrefresh (list); | ||
250 | |||
251 | print_arrows(dialog, choice, item_no, scroll, | ||
252 | box_y, box_x + check_x + 5, list_height); | ||
253 | |||
254 | wrefresh (dialog); | ||
255 | |||
256 | continue;/* wait for another key press */ | ||
257 | } else | ||
258 | i = choice - 1; | ||
259 | } else if (key == KEY_DOWN || key == '+') { | ||
260 | if (choice == max_choice - 1) { | ||
261 | if (scroll + choice >= item_no - 1) | ||
262 | continue; | ||
263 | /* Scroll list up */ | ||
264 | if (list_height > 1) { | ||
265 | /* De-highlight current last item before scrolling up */ | ||
266 | print_item (list, items[(scroll + max_choice - 1) * 3 + 1], | ||
267 | status[scroll + max_choice - 1], | ||
268 | max_choice - 1, FALSE); | ||
269 | scrollok (list, TRUE); | ||
270 | scroll (list); | ||
271 | scrollok (list, FALSE); | ||
272 | } | ||
273 | scroll++; | ||
274 | print_item (list, items[(scroll + max_choice - 1) * 3 + 1], | ||
275 | status[scroll + max_choice - 1], | ||
276 | max_choice - 1, TRUE); | ||
277 | wnoutrefresh (list); | ||
278 | |||
279 | print_arrows(dialog, choice, item_no, scroll, | ||
280 | box_y, box_x + check_x + 5, list_height); | ||
281 | |||
282 | wrefresh (dialog); | ||
283 | |||
284 | continue;/* wait for another key press */ | ||
285 | } else | ||
286 | i = choice + 1; | ||
287 | } | ||
288 | if (i != choice) { | ||
289 | /* De-highlight current item */ | ||
290 | print_item (list, items[(scroll + choice) * 3 + 1], | ||
291 | status[scroll + choice], choice, FALSE); | ||
292 | /* Highlight new item */ | ||
293 | choice = i; | ||
294 | print_item (list, items[(scroll + choice) * 3 + 1], | ||
295 | status[scroll + choice], choice, TRUE); | ||
296 | wnoutrefresh (list); | ||
297 | wrefresh (dialog); | ||
298 | } | ||
299 | continue; /* wait for another key press */ | ||
300 | } | ||
301 | switch (key) { | ||
302 | case 'H': | ||
303 | case 'h': | ||
304 | case '?': | ||
305 | delwin (dialog); | ||
306 | free (status); | ||
307 | return 1; | ||
308 | case TAB: | ||
309 | case KEY_LEFT: | ||
310 | case KEY_RIGHT: | ||
311 | button = ((key == KEY_LEFT ? --button : ++button) < 0) | ||
312 | ? 1 : (button > 1 ? 0 : button); | ||
313 | |||
314 | print_buttons(dialog, height, width, button); | ||
315 | wrefresh (dialog); | ||
316 | break; | ||
317 | case 'S': | ||
318 | case 's': | ||
319 | case ' ': | ||
320 | case '\n': | ||
321 | if (!button) { | ||
322 | if (flag == FLAG_CHECK) { | ||
323 | status[scroll + choice] = !status[scroll + choice]; | ||
324 | wmove (list, choice, check_x); | ||
325 | wattrset (list, check_selected_attr); | ||
326 | wprintw (list, "[%c]", status[scroll + choice] ? 'X' : ' '); | ||
327 | } else { | ||
328 | if (!status[scroll + choice]) { | ||
329 | for (i = 0; i < item_no; i++) | ||
330 | status[i] = 0; | ||
331 | status[scroll + choice] = 1; | ||
332 | for (i = 0; i < max_choice; i++) | ||
333 | print_item (list, items[(scroll + i) * 3 + 1], | ||
334 | status[scroll + i], i, i == choice); | ||
335 | } | ||
336 | } | ||
337 | wnoutrefresh (list); | ||
338 | wrefresh (dialog); | ||
339 | |||
340 | for (i = 0; i < item_no; i++) { | ||
341 | if (status[i]) { | ||
342 | if (flag == FLAG_CHECK) { | ||
343 | fprintf (stderr, "\"%s\" ", items[i * 3]); | ||
344 | } else { | ||
345 | fprintf (stderr, "%s", items[i * 3]); | ||
346 | } | ||
347 | |||
348 | } | ||
349 | } | ||
350 | } | ||
351 | delwin (dialog); | ||
352 | free (status); | ||
353 | return button; | ||
354 | case 'X': | ||
355 | case 'x': | ||
356 | key = ESC; | ||
357 | case ESC: | ||
358 | break; | ||
359 | } | ||
360 | |||
361 | /* Now, update everything... */ | ||
362 | doupdate (); | ||
363 | } | ||
364 | |||
365 | |||
366 | delwin (dialog); | ||
367 | free (status); | ||
368 | return -1; /* ESC pressed */ | ||
369 | } | ||