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1da177e4 LT |
1 | /* |
2 | * yesno.c -- implements the yes/no box | |
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 | ||
24 | /* | |
25 | * Display termination buttons | |
26 | */ | |
b1c5f1c6 | 27 | static void print_buttons(WINDOW * dialog, int height, int width, int selected) |
1da177e4 | 28 | { |
b1c5f1c6 SR |
29 | int x = width / 2 - 10; |
30 | int y = height - 2; | |
1da177e4 | 31 | |
b1c5f1c6 SR |
32 | print_button(dialog, " Yes ", y, x, selected == 0); |
33 | print_button(dialog, " No ", y, x + 13, selected == 1); | |
1da177e4 | 34 | |
b1c5f1c6 SR |
35 | wmove(dialog, y, x + 1 + 13 * selected); |
36 | wrefresh(dialog); | |
1da177e4 LT |
37 | } |
38 | ||
39 | /* | |
40 | * Display a dialog box with two buttons - Yes and No | |
41 | */ | |
b1c5f1c6 | 42 | int dialog_yesno(const char *title, const char *prompt, int height, int width) |
1da177e4 | 43 | { |
b1c5f1c6 SR |
44 | int i, x, y, key = 0, button = 0; |
45 | WINDOW *dialog; | |
46 | ||
47 | /* center dialog box on screen */ | |
48 | x = (COLS - width) / 2; | |
49 | y = (LINES - height) / 2; | |
50 | ||
51 | draw_shadow(stdscr, y, x, height, width); | |
52 | ||
53 | dialog = newwin(height, width, y, x); | |
54 | keypad(dialog, TRUE); | |
55 | ||
56 | draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr); | |
57 | wattrset(dialog, border_attr); | |
58 | mvwaddch(dialog, height - 3, 0, ACS_LTEE); | |
59 | for (i = 0; i < width - 2; i++) | |
60 | waddch(dialog, ACS_HLINE); | |
61 | wattrset(dialog, dialog_attr); | |
62 | waddch(dialog, ACS_RTEE); | |
63 | ||
fa7009d5 | 64 | print_title(dialog, title, width); |
b1c5f1c6 SR |
65 | |
66 | wattrset(dialog, dialog_attr); | |
67 | print_autowrap(dialog, prompt, width - 2, 1, 3); | |
68 | ||
69 | print_buttons(dialog, height, width, 0); | |
70 | ||
71 | while (key != ESC) { | |
72 | key = wgetch(dialog); | |
73 | switch (key) { | |
74 | case 'Y': | |
75 | case 'y': | |
76 | delwin(dialog); | |
77 | return 0; | |
78 | case 'N': | |
79 | case 'n': | |
80 | delwin(dialog); | |
81 | return 1; | |
82 | ||
83 | case TAB: | |
84 | case KEY_LEFT: | |
85 | case KEY_RIGHT: | |
dec69da8 | 86 | button = ((key == KEY_LEFT ? --button : ++button) < 0) ? 1 : (button > 1 ? 0 : button); |
b1c5f1c6 SR |
87 | |
88 | print_buttons(dialog, height, width, button); | |
89 | wrefresh(dialog); | |
90 | break; | |
91 | case ' ': | |
92 | case '\n': | |
93 | delwin(dialog); | |
94 | return button; | |
95 | case ESC: | |
96 | break; | |
97 | } | |
98 | } | |
99 | ||
100 | delwin(dialog); | |
101 | return -1; /* ESC pressed */ | |
1da177e4 | 102 | } |