diff options
author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-04 19:36:52 -0500 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-04 19:36:52 -0500 |
commit | 25c862cc9ea9b312c25a9f577f91b973131f1261 (patch) | |
tree | 8e8f56531144370ced50fa98db2973f4e93e38b0 /scripts/kconfig/lxdialog/checklist.c | |
parent | 52347f4e810ba323d02cd2c26b5d738f4a2c3d5e (diff) | |
parent | 8ded4ac018ea706bf7ee926601a27184665c9c28 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild
Diffstat (limited to 'scripts/kconfig/lxdialog/checklist.c')
-rw-r--r-- | scripts/kconfig/lxdialog/checklist.c | 334 |
1 files changed, 334 insertions, 0 deletions
diff --git a/scripts/kconfig/lxdialog/checklist.c b/scripts/kconfig/lxdialog/checklist.c new file mode 100644 index 000000000000..db07ae73e051 --- /dev/null +++ b/scripts/kconfig/lxdialog/checklist.c | |||
@@ -0,0 +1,334 @@ | |||
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; | ||
27 | |||
28 | /* | ||
29 | * Print list item | ||
30 | */ | ||
31 | static void print_item(WINDOW * win, const char *item, int status, int choice, | ||
32 | int selected) | ||
33 | { | ||
34 | int i; | ||
35 | |||
36 | /* Clear 'residue' of last item */ | ||
37 | wattrset(win, menubox_attr); | ||
38 | wmove(win, choice, 0); | ||
39 | for (i = 0; i < list_width; i++) | ||
40 | waddch(win, ' '); | ||
41 | |||
42 | wmove(win, choice, check_x); | ||
43 | wattrset(win, selected ? check_selected_attr : check_attr); | ||
44 | wprintw(win, "(%c)", status ? 'X' : ' '); | ||
45 | |||
46 | wattrset(win, selected ? tag_selected_attr : tag_attr); | ||
47 | mvwaddch(win, choice, item_x, item[0]); | ||
48 | wattrset(win, selected ? item_selected_attr : item_attr); | ||
49 | waddstr(win, (char *)item + 1); | ||
50 | if (selected) { | ||
51 | wmove(win, choice, check_x + 1); | ||
52 | wrefresh(win); | ||
53 | } | ||
54 | } | ||
55 | |||
56 | /* | ||
57 | * Print the scroll indicators. | ||
58 | */ | ||
59 | static void print_arrows(WINDOW * win, int choice, int item_no, int scroll, | ||
60 | int y, int x, int height) | ||
61 | { | ||
62 | wmove(win, y, x); | ||
63 | |||
64 | if (scroll > 0) { | ||
65 | wattrset(win, uarrow_attr); | ||
66 | waddch(win, ACS_UARROW); | ||
67 | waddstr(win, "(-)"); | ||
68 | } else { | ||
69 | wattrset(win, menubox_attr); | ||
70 | waddch(win, ACS_HLINE); | ||
71 | waddch(win, ACS_HLINE); | ||
72 | waddch(win, ACS_HLINE); | ||
73 | waddch(win, ACS_HLINE); | ||
74 | } | ||
75 | |||
76 | y = y + height + 1; | ||
77 | wmove(win, y, x); | ||
78 | |||
79 | if ((height < item_no) && (scroll + choice < item_no - 1)) { | ||
80 | wattrset(win, darrow_attr); | ||
81 | waddch(win, ACS_DARROW); | ||
82 | waddstr(win, "(+)"); | ||
83 | } else { | ||
84 | wattrset(win, menubox_border_attr); | ||
85 | waddch(win, ACS_HLINE); | ||
86 | waddch(win, ACS_HLINE); | ||
87 | waddch(win, ACS_HLINE); | ||
88 | waddch(win, ACS_HLINE); | ||
89 | } | ||
90 | } | ||
91 | |||
92 | /* | ||
93 | * Display the termination buttons | ||
94 | */ | ||
95 | static void print_buttons(WINDOW * dialog, int height, int width, int selected) | ||
96 | { | ||
97 | int x = width / 2 - 11; | ||
98 | int y = height - 2; | ||
99 | |||
100 | print_button(dialog, "Select", y, x, selected == 0); | ||
101 | print_button(dialog, " Help ", y, x + 14, selected == 1); | ||
102 | |||
103 | wmove(dialog, y, x + 1 + 14 * selected); | ||
104 | wrefresh(dialog); | ||
105 | } | ||
106 | |||
107 | /* | ||
108 | * Display a dialog box with a list of options that can be turned on or off | ||
109 | * in the style of radiolist (only one option turned on at a time). | ||
110 | */ | ||
111 | int dialog_checklist(const char *title, const char *prompt, int height, | ||
112 | int width, int list_height, int item_no, | ||
113 | const char *const *items) | ||
114 | { | ||
115 | int i, x, y, box_x, box_y; | ||
116 | int key = 0, button = 0, choice = 0, scroll = 0, max_choice, *status; | ||
117 | WINDOW *dialog, *list; | ||
118 | |||
119 | /* Allocate space for storing item on/off status */ | ||
120 | if ((status = malloc(sizeof(int) * item_no)) == NULL) { | ||
121 | endwin(); | ||
122 | fprintf(stderr, | ||
123 | "\nCan't allocate memory in dialog_checklist().\n"); | ||
124 | exit(-1); | ||
125 | } | ||
126 | |||
127 | /* Initializes status */ | ||
128 | for (i = 0; i < item_no; i++) { | ||
129 | status[i] = !strcasecmp(items[i * 3 + 2], "on"); | ||
130 | if ((!choice && status[i]) | ||
131 | || !strcasecmp(items[i * 3 + 2], "selected")) | ||
132 | choice = i + 1; | ||
133 | } | ||
134 | if (choice) | ||
135 | choice--; | ||
136 | |||
137 | max_choice = MIN(list_height, item_no); | ||
138 | |||
139 | /* center dialog box on screen */ | ||
140 | x = (COLS - width) / 2; | ||
141 | y = (LINES - height) / 2; | ||
142 | |||
143 | draw_shadow(stdscr, y, x, height, width); | ||
144 | |||
145 | dialog = newwin(height, width, y, x); | ||
146 | keypad(dialog, TRUE); | ||
147 | |||
148 | draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr); | ||
149 | wattrset(dialog, border_attr); | ||
150 | mvwaddch(dialog, height - 3, 0, ACS_LTEE); | ||
151 | for (i = 0; i < width - 2; i++) | ||
152 | waddch(dialog, ACS_HLINE); | ||
153 | wattrset(dialog, dialog_attr); | ||
154 | waddch(dialog, ACS_RTEE); | ||
155 | |||
156 | print_title(dialog, title, width); | ||
157 | |||
158 | wattrset(dialog, dialog_attr); | ||
159 | print_autowrap(dialog, prompt, width - 2, 1, 3); | ||
160 | |||
161 | list_width = width - 6; | ||
162 | box_y = height - list_height - 5; | ||
163 | box_x = (width - list_width) / 2 - 1; | ||
164 | |||
165 | /* create new window for the list */ | ||
166 | list = subwin(dialog, list_height, list_width, y + box_y + 1, | ||
167 | x + box_x + 1); | ||
168 | |||
169 | keypad(list, TRUE); | ||
170 | |||
171 | /* draw a box around the list items */ | ||
172 | draw_box(dialog, box_y, box_x, list_height + 2, list_width + 2, | ||
173 | menubox_border_attr, menubox_attr); | ||
174 | |||
175 | /* Find length of longest item in order to center checklist */ | ||
176 | check_x = 0; | ||
177 | for (i = 0; i < item_no; i++) | ||
178 | check_x = MAX(check_x, +strlen(items[i * 3 + 1]) + 4); | ||
179 | |||
180 | check_x = (list_width - check_x) / 2; | ||
181 | item_x = check_x + 4; | ||
182 | |||
183 | if (choice >= list_height) { | ||
184 | scroll = choice - list_height + 1; | ||
185 | choice -= scroll; | ||
186 | } | ||
187 | |||
188 | /* Print the list */ | ||
189 | for (i = 0; i < max_choice; i++) { | ||
190 | print_item(list, items[(scroll + i) * 3 + 1], | ||
191 | status[i + scroll], i, i == choice); | ||
192 | } | ||
193 | |||
194 | print_arrows(dialog, choice, item_no, scroll, | ||
195 | box_y, box_x + check_x + 5, list_height); | ||
196 | |||
197 | print_buttons(dialog, height, width, 0); | ||
198 | |||
199 | wnoutrefresh(list); | ||
200 | wnoutrefresh(dialog); | ||
201 | doupdate(); | ||
202 | |||
203 | while (key != ESC) { | ||
204 | key = wgetch(dialog); | ||
205 | |||
206 | for (i = 0; i < max_choice; i++) | ||
207 | if (toupper(key) == | ||
208 | toupper(items[(scroll + i) * 3 + 1][0])) | ||
209 | break; | ||
210 | |||
211 | if (i < max_choice || key == KEY_UP || key == KEY_DOWN || | ||
212 | key == '+' || key == '-') { | ||
213 | if (key == KEY_UP || key == '-') { | ||
214 | if (!choice) { | ||
215 | if (!scroll) | ||
216 | continue; | ||
217 | /* Scroll list down */ | ||
218 | if (list_height > 1) { | ||
219 | /* De-highlight current first item */ | ||
220 | print_item(list, items[scroll * 3 + 1], | ||
221 | status[scroll], 0, FALSE); | ||
222 | scrollok(list, TRUE); | ||
223 | wscrl(list, -1); | ||
224 | scrollok(list, FALSE); | ||
225 | } | ||
226 | scroll--; | ||
227 | print_item(list, items[scroll * 3 + 1], status[scroll], 0, TRUE); | ||
228 | wnoutrefresh(list); | ||
229 | |||
230 | print_arrows(dialog, choice, item_no, | ||
231 | scroll, box_y, box_x + check_x + 5, list_height); | ||
232 | |||
233 | wrefresh(dialog); | ||
234 | |||
235 | continue; /* wait for another key press */ | ||
236 | } else | ||
237 | i = choice - 1; | ||
238 | } else if (key == KEY_DOWN || key == '+') { | ||
239 | if (choice == max_choice - 1) { | ||
240 | if (scroll + choice >= item_no - 1) | ||
241 | continue; | ||
242 | /* Scroll list up */ | ||
243 | if (list_height > 1) { | ||
244 | /* De-highlight current last item before scrolling up */ | ||
245 | print_item(list, items[(scroll + max_choice - 1) * 3 + 1], | ||
246 | status[scroll + max_choice - 1], | ||
247 | max_choice - 1, FALSE); | ||
248 | scrollok(list, TRUE); | ||
249 | wscrl(list, 1); | ||
250 | scrollok(list, FALSE); | ||
251 | } | ||
252 | scroll++; | ||
253 | print_item(list, items[(scroll + max_choice - 1) * 3 + 1], | ||
254 | status[scroll + max_choice - 1], max_choice - 1, TRUE); | ||
255 | wnoutrefresh(list); | ||
256 | |||
257 | print_arrows(dialog, choice, item_no, | ||
258 | scroll, box_y, box_x + check_x + 5, list_height); | ||
259 | |||
260 | wrefresh(dialog); | ||
261 | |||
262 | continue; /* wait for another key press */ | ||
263 | } else | ||
264 | i = choice + 1; | ||
265 | } | ||
266 | if (i != choice) { | ||
267 | /* De-highlight current item */ | ||
268 | print_item(list, items[(scroll + choice) * 3 + 1], | ||
269 | status[scroll + choice], choice, FALSE); | ||
270 | /* Highlight new item */ | ||
271 | choice = i; | ||
272 | print_item(list, items[(scroll + choice) * 3 + 1], | ||
273 | status[scroll + choice], choice, TRUE); | ||
274 | wnoutrefresh(list); | ||
275 | wrefresh(dialog); | ||
276 | } | ||
277 | continue; /* wait for another key press */ | ||
278 | } | ||
279 | switch (key) { | ||
280 | case 'H': | ||
281 | case 'h': | ||
282 | case '?': | ||
283 | fprintf(stderr, "%s", items[(scroll + choice) * 3]); | ||
284 | delwin(dialog); | ||
285 | free(status); | ||
286 | return 1; | ||
287 | case TAB: | ||
288 | case KEY_LEFT: | ||
289 | case KEY_RIGHT: | ||
290 | button = ((key == KEY_LEFT ? --button : ++button) < 0) | ||
291 | ? 1 : (button > 1 ? 0 : button); | ||
292 | |||
293 | print_buttons(dialog, height, width, button); | ||
294 | wrefresh(dialog); | ||
295 | break; | ||
296 | case 'S': | ||
297 | case 's': | ||
298 | case ' ': | ||
299 | case '\n': | ||
300 | if (!button) { | ||
301 | if (!status[scroll + choice]) { | ||
302 | for (i = 0; i < item_no; i++) | ||
303 | status[i] = 0; | ||
304 | status[scroll + choice] = 1; | ||
305 | for (i = 0; i < max_choice; i++) | ||
306 | print_item(list, items[(scroll + i) * 3 + 1], | ||
307 | status[scroll + i], i, i == choice); | ||
308 | } | ||
309 | wnoutrefresh(list); | ||
310 | wrefresh(dialog); | ||
311 | |||
312 | for (i = 0; i < item_no; i++) | ||
313 | if (status[i]) | ||
314 | fprintf(stderr, "%s", items[i * 3]); | ||
315 | } else | ||
316 | fprintf(stderr, "%s", items[(scroll + choice) * 3]); | ||
317 | delwin(dialog); | ||
318 | free(status); | ||
319 | return button; | ||
320 | case 'X': | ||
321 | case 'x': | ||
322 | key = ESC; | ||
323 | case ESC: | ||
324 | break; | ||
325 | } | ||
326 | |||
327 | /* Now, update everything... */ | ||
328 | doupdate(); | ||
329 | } | ||
330 | |||
331 | delwin(dialog); | ||
332 | free(status); | ||
333 | return -1; /* ESC pressed */ | ||
334 | } | ||