Commit | Line | Data |
---|---|---|
0c874100 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
1da177e4 LT |
2 | /* |
3 | * yesno.c -- implements the yes/no box | |
4 | * | |
5 | * ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk) | |
6 | * MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com) | |
1da177e4 LT |
7 | */ |
8 | ||
9 | #include "dialog.h" | |
10 | ||
11 | /* | |
12 | * Display termination buttons | |
13 | */ | |
b1c5f1c6 | 14 | static void print_buttons(WINDOW * dialog, int height, int width, int selected) |
1da177e4 | 15 | { |
b1c5f1c6 SR |
16 | int x = width / 2 - 10; |
17 | int y = height - 2; | |
1da177e4 | 18 | |
694c49a7 SR |
19 | print_button(dialog, " Yes ", y, x, selected == 0); |
20 | print_button(dialog, " No ", y, x + 13, selected == 1); | |
1da177e4 | 21 | |
b1c5f1c6 SR |
22 | wmove(dialog, y, x + 1 + 13 * selected); |
23 | wrefresh(dialog); | |
1da177e4 LT |
24 | } |
25 | ||
26 | /* | |
27 | * Display a dialog box with two buttons - Yes and No | |
28 | */ | |
b1c5f1c6 | 29 | int dialog_yesno(const char *title, const char *prompt, int height, int width) |
1da177e4 | 30 | { |
b1c5f1c6 SR |
31 | int i, x, y, key = 0, button = 0; |
32 | WINDOW *dialog; | |
33 | ||
c8dc68ad | 34 | do_resize: |
851f6657 | 35 | if (getmaxy(stdscr) < (height + YESNO_HEIGTH_MIN)) |
c8dc68ad | 36 | return -ERRDISPLAYTOOSMALL; |
851f6657 | 37 | if (getmaxx(stdscr) < (width + YESNO_WIDTH_MIN)) |
c8dc68ad SR |
38 | return -ERRDISPLAYTOOSMALL; |
39 | ||
b1c5f1c6 | 40 | /* center dialog box on screen */ |
4f2de3e1 DG |
41 | x = (getmaxx(stdscr) - width) / 2; |
42 | y = (getmaxy(stdscr) - height) / 2; | |
b1c5f1c6 SR |
43 | |
44 | draw_shadow(stdscr, y, x, height, width); | |
45 | ||
46 | dialog = newwin(height, width, y, x); | |
47 | keypad(dialog, TRUE); | |
48 | ||
98e5a157 SR |
49 | draw_box(dialog, 0, 0, height, width, |
50 | dlg.dialog.atr, dlg.border.atr); | |
51 | wattrset(dialog, dlg.border.atr); | |
b1c5f1c6 SR |
52 | mvwaddch(dialog, height - 3, 0, ACS_LTEE); |
53 | for (i = 0; i < width - 2; i++) | |
54 | waddch(dialog, ACS_HLINE); | |
98e5a157 | 55 | wattrset(dialog, dlg.dialog.atr); |
b1c5f1c6 SR |
56 | waddch(dialog, ACS_RTEE); |
57 | ||
fa7009d5 | 58 | print_title(dialog, title, width); |
b1c5f1c6 | 59 | |
98e5a157 | 60 | wattrset(dialog, dlg.dialog.atr); |
b1c5f1c6 SR |
61 | print_autowrap(dialog, prompt, width - 2, 1, 3); |
62 | ||
63 | print_buttons(dialog, height, width, 0); | |
64 | ||
f3cbcdc9 | 65 | while (key != KEY_ESC) { |
b1c5f1c6 SR |
66 | key = wgetch(dialog); |
67 | switch (key) { | |
68 | case 'Y': | |
69 | case 'y': | |
70 | delwin(dialog); | |
71 | return 0; | |
72 | case 'N': | |
73 | case 'n': | |
74 | delwin(dialog); | |
75 | return 1; | |
76 | ||
77 | case TAB: | |
78 | case KEY_LEFT: | |
79 | case KEY_RIGHT: | |
dec69da8 | 80 | button = ((key == KEY_LEFT ? --button : ++button) < 0) ? 1 : (button > 1 ? 0 : button); |
b1c5f1c6 SR |
81 | |
82 | print_buttons(dialog, height, width, button); | |
83 | wrefresh(dialog); | |
84 | break; | |
85 | case ' ': | |
86 | case '\n': | |
87 | delwin(dialog); | |
88 | return button; | |
f3cbcdc9 SR |
89 | case KEY_ESC: |
90 | key = on_key_esc(dialog); | |
b1c5f1c6 | 91 | break; |
c8dc68ad SR |
92 | case KEY_RESIZE: |
93 | delwin(dialog); | |
94 | on_key_resize(); | |
95 | goto do_resize; | |
b1c5f1c6 SR |
96 | } |
97 | } | |
98 | ||
99 | delwin(dialog); | |
f3cbcdc9 | 100 | return key; /* ESC pressed */ |
1da177e4 | 101 | } |