yann@1
|
1 |
/*
|
yann@1
|
2 |
* checklist.c -- implements the checklist box
|
yann@1
|
3 |
*
|
yann@1
|
4 |
* ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
|
yann@1
|
5 |
* Stuart Herbert - S.Herbert@sheffield.ac.uk: radiolist extension
|
yann@1
|
6 |
* Alessandro Rubini - rubini@ipvvis.unipv.it: merged the two
|
yann@1
|
7 |
* MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com)
|
yann@1
|
8 |
*
|
yann@1
|
9 |
* This program is free software; you can redistribute it and/or
|
yann@1
|
10 |
* modify it under the terms of the GNU General Public License
|
yann@1
|
11 |
* as published by the Free Software Foundation; either version 2
|
yann@1
|
12 |
* of the License, or (at your option) any later version.
|
yann@1
|
13 |
*
|
yann@1
|
14 |
* This program is distributed in the hope that it will be useful,
|
yann@1
|
15 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
yann@1
|
16 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
yann@1
|
17 |
* GNU General Public License for more details.
|
yann@1
|
18 |
*
|
yann@1
|
19 |
* You should have received a copy of the GNU General Public License
|
yann@1
|
20 |
* along with this program; if not, write to the Free Software
|
yann@1
|
21 |
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
yann@1
|
22 |
*/
|
yann@1
|
23 |
|
yann@1
|
24 |
#include "dialog.h"
|
yann@1
|
25 |
|
yann@1
|
26 |
static int list_width, check_x, item_x;
|
yann@1
|
27 |
|
yann@1
|
28 |
/*
|
yann@1
|
29 |
* Print list item
|
yann@1
|
30 |
*/
|
yann@1
|
31 |
static void print_item(WINDOW * win, int choice, int selected)
|
yann@1
|
32 |
{
|
yann@1
|
33 |
int i;
|
yann@1
|
34 |
|
yann@1
|
35 |
/* Clear 'residue' of last item */
|
yann@1
|
36 |
wattrset(win, dlg.menubox.atr);
|
yann@1
|
37 |
wmove(win, choice, 0);
|
yann@1
|
38 |
for (i = 0; i < list_width; i++)
|
yann@1
|
39 |
waddch(win, ' ');
|
yann@1
|
40 |
|
yann@1
|
41 |
wmove(win, choice, check_x);
|
yann@1
|
42 |
wattrset(win, selected ? dlg.check_selected.atr
|
yann@1
|
43 |
: dlg.check.atr);
|
yann@1
|
44 |
wprintw(win, "(%c)", item_is_tag('X') ? 'X' : ' ');
|
yann@1
|
45 |
|
yann@1
|
46 |
wattrset(win, selected ? dlg.tag_selected.atr : dlg.tag.atr);
|
yann@1
|
47 |
mvwaddch(win, choice, item_x, item_str()[0]);
|
yann@1
|
48 |
wattrset(win, selected ? dlg.item_selected.atr : dlg.item.atr);
|
yann@1
|
49 |
waddstr(win, (char *)item_str() + 1);
|
yann@1
|
50 |
if (selected) {
|
yann@1
|
51 |
wmove(win, choice, check_x + 1);
|
yann@1
|
52 |
wrefresh(win);
|
yann@1
|
53 |
}
|
yann@1
|
54 |
}
|
yann@1
|
55 |
|
yann@1
|
56 |
/*
|
yann@1
|
57 |
* Print the scroll indicators.
|
yann@1
|
58 |
*/
|
yann@1
|
59 |
static void print_arrows(WINDOW * win, int choice, int item_no, int scroll,
|
yann@1
|
60 |
int y, int x, int height)
|
yann@1
|
61 |
{
|
yann@1
|
62 |
wmove(win, y, x);
|
yann@1
|
63 |
|
yann@1
|
64 |
if (scroll > 0) {
|
yann@1
|
65 |
wattrset(win, dlg.uarrow.atr);
|
yann@1
|
66 |
waddch(win, ACS_UARROW);
|
yann@1
|
67 |
waddstr(win, "(-)");
|
yann@1
|
68 |
} else {
|
yann@1
|
69 |
wattrset(win, dlg.menubox.atr);
|
yann@1
|
70 |
waddch(win, ACS_HLINE);
|
yann@1
|
71 |
waddch(win, ACS_HLINE);
|
yann@1
|
72 |
waddch(win, ACS_HLINE);
|
yann@1
|
73 |
waddch(win, ACS_HLINE);
|
yann@1
|
74 |
}
|
yann@1
|
75 |
|
yann@1
|
76 |
y = y + height + 1;
|
yann@1
|
77 |
wmove(win, y, x);
|
yann@1
|
78 |
|
yann@1
|
79 |
if ((height < item_no) && (scroll + choice < item_no - 1)) {
|
yann@1
|
80 |
wattrset(win, dlg.darrow.atr);
|
yann@1
|
81 |
waddch(win, ACS_DARROW);
|
yann@1
|
82 |
waddstr(win, "(+)");
|
yann@1
|
83 |
} else {
|
yann@1
|
84 |
wattrset(win, dlg.menubox_border.atr);
|
yann@1
|
85 |
waddch(win, ACS_HLINE);
|
yann@1
|
86 |
waddch(win, ACS_HLINE);
|
yann@1
|
87 |
waddch(win, ACS_HLINE);
|
yann@1
|
88 |
waddch(win, ACS_HLINE);
|
yann@1
|
89 |
}
|
yann@1
|
90 |
}
|
yann@1
|
91 |
|
yann@1
|
92 |
/*
|
yann@1
|
93 |
* Display the termination buttons
|
yann@1
|
94 |
*/
|
yann@1
|
95 |
static void print_buttons(WINDOW * dialog, int height, int width, int selected)
|
yann@1
|
96 |
{
|
yann@1
|
97 |
int x = width / 2 - 11;
|
yann@1
|
98 |
int y = height - 2;
|
yann@1
|
99 |
|
yann@1
|
100 |
print_button(dialog, "Select", y, x, selected == 0);
|
yann@1
|
101 |
print_button(dialog, " Help ", y, x + 14, selected == 1);
|
yann@1
|
102 |
|
yann@1
|
103 |
wmove(dialog, y, x + 1 + 14 * selected);
|
yann@1
|
104 |
wrefresh(dialog);
|
yann@1
|
105 |
}
|
yann@1
|
106 |
|
yann@1
|
107 |
/*
|
yann@1
|
108 |
* Display a dialog box with a list of options that can be turned on or off
|
yann@1
|
109 |
* in the style of radiolist (only one option turned on at a time).
|
yann@1
|
110 |
*/
|
yann@1
|
111 |
int dialog_checklist(const char *title, const char *prompt, int height,
|
yann@1
|
112 |
int width, int list_height)
|
yann@1
|
113 |
{
|
yann@1
|
114 |
int i, x, y, box_x, box_y;
|
yann@1
|
115 |
int key = 0, button = 0, choice = 0, scroll = 0, max_choice;
|
yann@1
|
116 |
WINDOW *dialog, *list;
|
yann@1
|
117 |
|
yann@1
|
118 |
/* which item to highlight */
|
yann@1
|
119 |
item_foreach() {
|
yann@1
|
120 |
if (item_is_tag('X'))
|
yann@1
|
121 |
choice = item_n();
|
yann@1
|
122 |
if (item_is_selected()) {
|
yann@1
|
123 |
choice = item_n();
|
yann@1
|
124 |
break;
|
yann@1
|
125 |
}
|
yann@1
|
126 |
}
|
yann@1
|
127 |
|
yann@1
|
128 |
do_resize:
|
yann@1
|
129 |
if (getmaxy(stdscr) < (height + 6))
|
yann@1
|
130 |
return -ERRDISPLAYTOOSMALL;
|
yann@1
|
131 |
if (getmaxx(stdscr) < (width + 6))
|
yann@1
|
132 |
return -ERRDISPLAYTOOSMALL;
|
yann@1
|
133 |
|
yann@1
|
134 |
max_choice = MIN(list_height, item_count());
|
yann@1
|
135 |
|
yann@1
|
136 |
/* center dialog box on screen */
|
yann@1
|
137 |
x = (COLS - width) / 2;
|
yann@1
|
138 |
y = (LINES - height) / 2;
|
yann@1
|
139 |
|
yann@1
|
140 |
draw_shadow(stdscr, y, x, height, width);
|
yann@1
|
141 |
|
yann@1
|
142 |
dialog = newwin(height, width, y, x);
|
yann@1
|
143 |
keypad(dialog, TRUE);
|
yann@1
|
144 |
|
yann@1
|
145 |
draw_box(dialog, 0, 0, height, width,
|
yann@1
|
146 |
dlg.dialog.atr, dlg.border.atr);
|
yann@1
|
147 |
wattrset(dialog, dlg.border.atr);
|
yann@1
|
148 |
mvwaddch(dialog, height - 3, 0, ACS_LTEE);
|
yann@1
|
149 |
for (i = 0; i < width - 2; i++)
|
yann@1
|
150 |
waddch(dialog, ACS_HLINE);
|
yann@1
|
151 |
wattrset(dialog, dlg.dialog.atr);
|
yann@1
|
152 |
waddch(dialog, ACS_RTEE);
|
yann@1
|
153 |
|
yann@1
|
154 |
print_title(dialog, title, width);
|
yann@1
|
155 |
|
yann@1
|
156 |
wattrset(dialog, dlg.dialog.atr);
|
yann@1
|
157 |
print_autowrap(dialog, prompt, width - 2, 1, 3);
|
yann@1
|
158 |
|
yann@1
|
159 |
list_width = width - 6;
|
yann@1
|
160 |
box_y = height - list_height - 5;
|
yann@1
|
161 |
box_x = (width - list_width) / 2 - 1;
|
yann@1
|
162 |
|
yann@1
|
163 |
/* create new window for the list */
|
yann@1
|
164 |
list = subwin(dialog, list_height, list_width, y + box_y + 1,
|
yann@1
|
165 |
x + box_x + 1);
|
yann@1
|
166 |
|
yann@1
|
167 |
keypad(list, TRUE);
|
yann@1
|
168 |
|
yann@1
|
169 |
/* draw a box around the list items */
|
yann@1
|
170 |
draw_box(dialog, box_y, box_x, list_height + 2, list_width + 2,
|
yann@1
|
171 |
dlg.menubox_border.atr, dlg.menubox.atr);
|
yann@1
|
172 |
|
yann@1
|
173 |
/* Find length of longest item in order to center checklist */
|
yann@1
|
174 |
check_x = 0;
|
yann@1
|
175 |
item_foreach()
|
yann@1
|
176 |
check_x = MAX(check_x, strlen(item_str()) + 4);
|
yann@1
|
177 |
|
yann@1
|
178 |
check_x = (list_width - check_x) / 2;
|
yann@1
|
179 |
item_x = check_x + 4;
|
yann@1
|
180 |
|
yann@1
|
181 |
if (choice >= list_height) {
|
yann@1
|
182 |
scroll = choice - list_height + 1;
|
yann@1
|
183 |
choice -= scroll;
|
yann@1
|
184 |
}
|
yann@1
|
185 |
|
yann@1
|
186 |
/* Print the list */
|
yann@1
|
187 |
for (i = 0; i < max_choice; i++) {
|
yann@1
|
188 |
item_set(scroll + i);
|
yann@1
|
189 |
print_item(list, i, i == choice);
|
yann@1
|
190 |
}
|
yann@1
|
191 |
|
yann@1
|
192 |
print_arrows(dialog, choice, item_count(), scroll,
|
yann@1
|
193 |
box_y, box_x + check_x + 5, list_height);
|
yann@1
|
194 |
|
yann@1
|
195 |
print_buttons(dialog, height, width, 0);
|
yann@1
|
196 |
|
yann@1
|
197 |
wnoutrefresh(dialog);
|
yann@1
|
198 |
wnoutrefresh(list);
|
yann@1
|
199 |
doupdate();
|
yann@1
|
200 |
|
yann@1
|
201 |
while (key != KEY_ESC) {
|
yann@1
|
202 |
key = wgetch(dialog);
|
yann@1
|
203 |
|
yann@1
|
204 |
for (i = 0; i < max_choice; i++) {
|
yann@1
|
205 |
item_set(i + scroll);
|
yann@1
|
206 |
if (toupper(key) == toupper(item_str()[0]))
|
yann@1
|
207 |
break;
|
yann@1
|
208 |
}
|
yann@1
|
209 |
|
yann@1
|
210 |
if (i < max_choice || key == KEY_UP || key == KEY_DOWN ||
|
yann@1
|
211 |
key == '+' || key == '-') {
|
yann@1
|
212 |
if (key == KEY_UP || key == '-') {
|
yann@1
|
213 |
if (!choice) {
|
yann@1
|
214 |
if (!scroll)
|
yann@1
|
215 |
continue;
|
yann@1
|
216 |
/* Scroll list down */
|
yann@1
|
217 |
if (list_height > 1) {
|
yann@1
|
218 |
/* De-highlight current first item */
|
yann@1
|
219 |
item_set(scroll);
|
yann@1
|
220 |
print_item(list, 0, FALSE);
|
yann@1
|
221 |
scrollok(list, TRUE);
|
yann@1
|
222 |
wscrl(list, -1);
|
yann@1
|
223 |
scrollok(list, FALSE);
|
yann@1
|
224 |
}
|
yann@1
|
225 |
scroll--;
|
yann@1
|
226 |
item_set(scroll);
|
yann@1
|
227 |
print_item(list, 0, TRUE);
|
yann@1
|
228 |
print_arrows(dialog, choice, item_count(),
|
yann@1
|
229 |
scroll, box_y, box_x + check_x + 5, list_height);
|
yann@1
|
230 |
|
yann@1
|
231 |
wnoutrefresh(dialog);
|
yann@1
|
232 |
wrefresh(list);
|
yann@1
|
233 |
|
yann@1
|
234 |
continue; /* wait for another key press */
|
yann@1
|
235 |
} else
|
yann@1
|
236 |
i = choice - 1;
|
yann@1
|
237 |
} else if (key == KEY_DOWN || key == '+') {
|
yann@1
|
238 |
if (choice == max_choice - 1) {
|
yann@1
|
239 |
if (scroll + choice >= item_count() - 1)
|
yann@1
|
240 |
continue;
|
yann@1
|
241 |
/* Scroll list up */
|
yann@1
|
242 |
if (list_height > 1) {
|
yann@1
|
243 |
/* De-highlight current last item before scrolling up */
|
yann@1
|
244 |
item_set(scroll + max_choice - 1);
|
yann@1
|
245 |
print_item(list,
|
yann@1
|
246 |
max_choice - 1,
|
yann@1
|
247 |
FALSE);
|
yann@1
|
248 |
scrollok(list, TRUE);
|
yann@1
|
249 |
wscrl(list, 1);
|
yann@1
|
250 |
scrollok(list, FALSE);
|
yann@1
|
251 |
}
|
yann@1
|
252 |
scroll++;
|
yann@1
|
253 |
item_set(scroll + max_choice - 1);
|
yann@1
|
254 |
print_item(list, max_choice - 1, TRUE);
|
yann@1
|
255 |
|
yann@1
|
256 |
print_arrows(dialog, choice, item_count(),
|
yann@1
|
257 |
scroll, box_y, box_x + check_x + 5, list_height);
|
yann@1
|
258 |
|
yann@1
|
259 |
wnoutrefresh(dialog);
|
yann@1
|
260 |
wrefresh(list);
|
yann@1
|
261 |
|
yann@1
|
262 |
continue; /* wait for another key press */
|
yann@1
|
263 |
} else
|
yann@1
|
264 |
i = choice + 1;
|
yann@1
|
265 |
}
|
yann@1
|
266 |
if (i != choice) {
|
yann@1
|
267 |
/* De-highlight current item */
|
yann@1
|
268 |
item_set(scroll + choice);
|
yann@1
|
269 |
print_item(list, choice, FALSE);
|
yann@1
|
270 |
/* Highlight new item */
|
yann@1
|
271 |
choice = i;
|
yann@1
|
272 |
item_set(scroll + choice);
|
yann@1
|
273 |
print_item(list, choice, TRUE);
|
yann@1
|
274 |
wnoutrefresh(dialog);
|
yann@1
|
275 |
wrefresh(list);
|
yann@1
|
276 |
}
|
yann@1
|
277 |
continue; /* wait for another key press */
|
yann@1
|
278 |
}
|
yann@1
|
279 |
switch (key) {
|
yann@1
|
280 |
case 'H':
|
yann@1
|
281 |
case 'h':
|
yann@1
|
282 |
case '?':
|
yann@1
|
283 |
button = 1;
|
yann@1
|
284 |
/* fall-through */
|
yann@1
|
285 |
case 'S':
|
yann@1
|
286 |
case 's':
|
yann@1
|
287 |
case ' ':
|
yann@1
|
288 |
case '\n':
|
yann@1
|
289 |
item_foreach()
|
yann@1
|
290 |
item_set_selected(0);
|
yann@1
|
291 |
item_set(scroll + choice);
|
yann@1
|
292 |
item_set_selected(1);
|
yann@1
|
293 |
delwin(list);
|
yann@1
|
294 |
delwin(dialog);
|
yann@1
|
295 |
return button;
|
yann@1
|
296 |
case TAB:
|
yann@1
|
297 |
case KEY_LEFT:
|
yann@1
|
298 |
case KEY_RIGHT:
|
yann@1
|
299 |
button = ((key == KEY_LEFT ? --button : ++button) < 0)
|
yann@1
|
300 |
? 1 : (button > 1 ? 0 : button);
|
yann@1
|
301 |
|
yann@1
|
302 |
print_buttons(dialog, height, width, button);
|
yann@1
|
303 |
wrefresh(dialog);
|
yann@1
|
304 |
break;
|
yann@1
|
305 |
case 'X':
|
yann@1
|
306 |
case 'x':
|
yann@1
|
307 |
key = KEY_ESC;
|
yann@1
|
308 |
break;
|
yann@1
|
309 |
case KEY_ESC:
|
yann@1
|
310 |
key = on_key_esc(dialog);
|
yann@1
|
311 |
break;
|
yann@1
|
312 |
case KEY_RESIZE:
|
yann@1
|
313 |
delwin(list);
|
yann@1
|
314 |
delwin(dialog);
|
yann@1
|
315 |
on_key_resize();
|
yann@1
|
316 |
goto do_resize;
|
yann@1
|
317 |
}
|
yann@1
|
318 |
|
yann@1
|
319 |
/* Now, update everything... */
|
yann@1
|
320 |
doupdate();
|
yann@1
|
321 |
}
|
yann@1
|
322 |
delwin(list);
|
yann@1
|
323 |
delwin(dialog);
|
yann@1
|
324 |
return key; /* ESC pressed */
|
yann@1
|
325 |
}
|