Allow IPv6 address entry in tools>ping - Loosens valid character check
[tomato/davidwu.git] / release / src / router / config / checklist.c
blobc4a9289b948e800daad0a9f400a0c22ead00fc18
1 /*
2 * checklist.c -- implements the checklist box
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)
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.
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.
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.
24 #include "dialog.h"
26 static int list_width, check_x, item_x, checkflag;
29 * Print list item
31 static void
32 print_item (WINDOW * win, const char *item, int status,
33 int choice, int selected)
35 int i;
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, ' ');
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' : ' ');
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);
61 * Print the scroll indicators.
63 static void
64 print_arrows (WINDOW * win, int choice, int item_no, int scroll,
65 int y, int x, int height)
67 wmove(win, y, x);
69 if (scroll > 0) {
70 wattrset (win, uarrow_attr);
71 waddch (win, ACS_UARROW);
72 waddstr (win, "(-)");
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);
82 y = y + height + 1;
83 wmove(win, y, x);
85 if ((height < item_no) && (scroll + choice < item_no - 1)) {
86 wattrset (win, darrow_attr);
87 waddch (win, ACS_DARROW);
88 waddstr (win, "(+)");
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);
100 * Display the termination buttons
102 static void
103 print_buttons( WINDOW *dialog, int height, int width, int selected)
105 int x = width / 2 - 11;
106 int y = height - 2;
108 print_button (dialog, "Select", y, x, selected == 0);
109 print_button (dialog, " Help ", y, x + 14, selected == 1);
111 wmove(dialog, y, x+1 + 14*selected);
112 wrefresh (dialog);
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.
120 dialog_checklist (const char *title, const char *prompt, int height, int width,
121 int list_height, int item_no, struct dialog_list_item ** items,
122 int flag)
125 int i, x, y, box_x, box_y;
126 int key = 0, button = 0, choice = 0, scroll = 0, max_choice, *status;
127 WINDOW *dialog, *list;
129 checkflag = flag;
131 /* Allocate space for storing item on/off status */
132 if ((status = malloc (sizeof (int) * item_no)) == NULL) {
133 endwin ();
134 fprintf (stderr,
135 "\nCan't allocate memory in dialog_checklist().\n");
136 exit (-1);
139 /* Initializes status */
140 for (i = 0; i < item_no; i++) {
141 status[i] = items[i]->selected;
142 if (!choice && status[i])
143 choice = i;
146 max_choice = MIN (list_height, item_no);
148 /* center dialog box on screen */
149 x = (COLS - width) / 2;
150 y = (LINES - height) / 2;
152 draw_shadow (stdscr, y, x, height, width);
154 dialog = newwin (height, width, y, x);
155 keypad (dialog, TRUE);
157 draw_box (dialog, 0, 0, height, width, dialog_attr, border_attr);
158 wattrset (dialog, border_attr);
159 mvwaddch (dialog, height-3, 0, ACS_LTEE);
160 for (i = 0; i < width - 2; i++)
161 waddch (dialog, ACS_HLINE);
162 wattrset (dialog, dialog_attr);
163 waddch (dialog, ACS_RTEE);
165 if (title != NULL && strlen(title) >= width-2 ) {
166 /* truncate long title -- mec */
167 char * title2 = malloc(width-2+1);
168 memcpy( title2, title, width-2 );
169 title2[width-2] = '\0';
170 title = title2;
173 if (title != NULL) {
174 wattrset (dialog, title_attr);
175 mvwaddch (dialog, 0, (width - strlen(title))/2 - 1, ' ');
176 waddstr (dialog, (char *)title);
177 waddch (dialog, ' ');
180 wattrset (dialog, dialog_attr);
181 print_autowrap (dialog, prompt, width - 2, 1, 3);
183 list_width = width - 6;
184 box_y = height - list_height - 5;
185 box_x = (width - list_width) / 2 - 1;
187 /* create new window for the list */
188 list = subwin (dialog, list_height, list_width, y+box_y+1, x+box_x+1);
190 keypad (list, TRUE);
192 /* draw a box around the list items */
193 draw_box (dialog, box_y, box_x, list_height + 2, list_width + 2,
194 menubox_border_attr, menubox_attr);
196 /* Find length of longest item in order to center checklist */
197 check_x = 0;
198 for (i = 0; i < item_no; i++)
199 check_x = MAX (check_x, + strlen (items[i]->name) + 4);
201 check_x = (list_width - check_x) / 2;
202 item_x = check_x + 4;
204 if (choice >= list_height) {
205 scroll = choice - list_height + 1;
206 choice -= scroll;
209 /* Print the list */
210 for (i = 0; i < max_choice; i++) {
211 print_item (list, items[scroll + i]->name,
212 status[i+scroll], i, i == choice);
215 print_arrows(dialog, choice, item_no, scroll,
216 box_y, box_x + check_x + 5, list_height);
218 print_buttons(dialog, height, width, 0);
220 wnoutrefresh (list);
221 wnoutrefresh (dialog);
222 doupdate ();
224 while (key != ESC) {
225 key = wgetch (dialog);
227 for (i = 0; i < max_choice; i++)
228 if (toupper(key) == toupper(items[scroll + i]->name[0]))
229 break;
232 if ( i < max_choice || key == KEY_UP || key == KEY_DOWN ||
233 key == '+' || key == '-' ) {
234 if (key == KEY_UP || key == '-') {
235 if (!choice) {
236 if (!scroll)
237 continue;
238 /* Scroll list down */
239 if (list_height > 1) {
240 /* De-highlight current first item */
241 print_item (list, items[scroll]->name,
242 status[scroll], 0, FALSE);
243 scrollok (list, TRUE);
244 wscrl (list, -1);
245 scrollok (list, FALSE);
247 scroll--;
248 print_item (list, items[scroll]->name,
249 status[scroll], 0, TRUE);
250 wnoutrefresh (list);
252 print_arrows(dialog, choice, item_no, scroll,
253 box_y, box_x + check_x + 5, list_height);
255 wrefresh (dialog);
257 continue; /* wait for another key press */
258 } else
259 i = choice - 1;
260 } else if (key == KEY_DOWN || key == '+') {
261 if (choice == max_choice - 1) {
262 if (scroll + choice >= item_no - 1)
263 continue;
264 /* Scroll list up */
265 if (list_height > 1) {
266 /* De-highlight current last item before scrolling up */
267 print_item (list, items[scroll + max_choice - 1]->name,
268 status[scroll + max_choice - 1],
269 max_choice - 1, FALSE);
270 scrollok (list, TRUE);
271 scroll (list);
272 scrollok (list, FALSE);
274 scroll++;
275 print_item (list, items[scroll + max_choice - 1]->name,
276 status[scroll + max_choice - 1],
277 max_choice - 1, TRUE);
278 wnoutrefresh (list);
280 print_arrows(dialog, choice, item_no, scroll,
281 box_y, box_x + check_x + 5, list_height);
283 wrefresh (dialog);
285 continue; /* wait for another key press */
286 } else
287 i = choice + 1;
289 if (i != choice) {
290 /* De-highlight current item */
291 print_item (list, items[scroll + choice]->name,
292 status[scroll + choice], choice, FALSE);
293 /* Highlight new item */
294 choice = i;
295 print_item (list, items[scroll + choice]->name,
296 status[scroll + choice], choice, TRUE);
297 wnoutrefresh (list);
298 wrefresh (dialog);
300 continue; /* wait for another key press */
302 switch (key) {
303 case 'H':
304 case 'h':
305 case '?':
306 delwin (dialog);
307 free (status);
308 return 1;
309 case TAB:
310 case KEY_LEFT:
311 case KEY_RIGHT:
312 button = ((key == KEY_LEFT ? --button : ++button) < 0)
313 ? 1 : (button > 1 ? 0 : button);
315 print_buttons(dialog, height, width, button);
316 wrefresh (dialog);
317 break;
318 case 'S':
319 case 's':
320 case ' ':
321 case '\n':
322 if (!button) {
323 if (flag == FLAG_CHECK) {
324 status[scroll + choice] = !status[scroll + choice];
325 wmove (list, choice, check_x);
326 wattrset (list, check_selected_attr);
327 wprintw (list, "[%c]", status[scroll + choice] ? 'X' : ' ');
328 } else {
329 if (!status[scroll + choice]) {
330 for (i = 0; i < item_no; i++)
331 status[i] = 0;
332 status[scroll + choice] = 1;
333 for (i = 0; i < max_choice; i++)
334 print_item (list, items[scroll + i]->name,
335 status[scroll + i], i, i == choice);
338 wnoutrefresh (list);
339 wrefresh (dialog);
341 for (i = 0; i < item_no; i++) {
342 items[i]->selected = status[i];
345 delwin (dialog);
346 free (status);
347 return button;
348 case 'X':
349 case 'x':
350 key = ESC;
351 case ESC:
352 break;
355 /* Now, update everything... */
356 doupdate ();
360 delwin (dialog);
361 free (status);
362 return -1; /* ESC pressed */