| Masahiro Yamada | ed16f5a | 2014-07-30 14:08:13 +0900 | [diff] [blame] | 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 | * |
| Tom Rini | e237880 | 2016-01-14 22:05:13 -0500 | [diff] [blame] | 7 | * SPDX-License-Identifier: GPL-2.0+ |
| Masahiro Yamada | ed16f5a | 2014-07-30 14:08:13 +0900 | [diff] [blame] | 8 | */ |
| 9 | |
| 10 | #include "dialog.h" |
| 11 | |
| 12 | /* |
| 13 | * Display termination buttons |
| 14 | */ |
| 15 | static void print_buttons(WINDOW * dialog, int height, int width, int selected) |
| 16 | { |
| 17 | int x = width / 2 - 10; |
| 18 | int y = height - 2; |
| 19 | |
| 20 | print_button(dialog, gettext(" Yes "), y, x, selected == 0); |
| 21 | print_button(dialog, gettext(" No "), y, x + 13, selected == 1); |
| 22 | |
| 23 | wmove(dialog, y, x + 1 + 13 * selected); |
| 24 | wrefresh(dialog); |
| 25 | } |
| 26 | |
| 27 | /* |
| 28 | * Display a dialog box with two buttons - Yes and No |
| 29 | */ |
| 30 | int dialog_yesno(const char *title, const char *prompt, int height, int width) |
| 31 | { |
| 32 | int i, x, y, key = 0, button = 0; |
| 33 | WINDOW *dialog; |
| 34 | |
| 35 | do_resize: |
| 36 | if (getmaxy(stdscr) < (height + YESNO_HEIGTH_MIN)) |
| 37 | return -ERRDISPLAYTOOSMALL; |
| 38 | if (getmaxx(stdscr) < (width + YESNO_WIDTH_MIN)) |
| 39 | return -ERRDISPLAYTOOSMALL; |
| 40 | |
| 41 | /* center dialog box on screen */ |
| 42 | x = (getmaxx(stdscr) - width) / 2; |
| 43 | y = (getmaxy(stdscr) - height) / 2; |
| 44 | |
| 45 | draw_shadow(stdscr, y, x, height, width); |
| 46 | |
| 47 | dialog = newwin(height, width, y, x); |
| 48 | keypad(dialog, TRUE); |
| 49 | |
| 50 | draw_box(dialog, 0, 0, height, width, |
| 51 | dlg.dialog.atr, dlg.border.atr); |
| 52 | wattrset(dialog, dlg.border.atr); |
| 53 | mvwaddch(dialog, height - 3, 0, ACS_LTEE); |
| 54 | for (i = 0; i < width - 2; i++) |
| 55 | waddch(dialog, ACS_HLINE); |
| 56 | wattrset(dialog, dlg.dialog.atr); |
| 57 | waddch(dialog, ACS_RTEE); |
| 58 | |
| 59 | print_title(dialog, title, width); |
| 60 | |
| 61 | wattrset(dialog, dlg.dialog.atr); |
| 62 | print_autowrap(dialog, prompt, width - 2, 1, 3); |
| 63 | |
| 64 | print_buttons(dialog, height, width, 0); |
| 65 | |
| 66 | while (key != KEY_ESC) { |
| 67 | key = wgetch(dialog); |
| 68 | switch (key) { |
| 69 | case 'Y': |
| 70 | case 'y': |
| 71 | delwin(dialog); |
| 72 | return 0; |
| 73 | case 'N': |
| 74 | case 'n': |
| 75 | delwin(dialog); |
| 76 | return 1; |
| 77 | |
| 78 | case TAB: |
| 79 | case KEY_LEFT: |
| 80 | case KEY_RIGHT: |
| 81 | button = ((key == KEY_LEFT ? --button : ++button) < 0) ? 1 : (button > 1 ? 0 : button); |
| 82 | |
| 83 | print_buttons(dialog, height, width, button); |
| 84 | wrefresh(dialog); |
| 85 | break; |
| 86 | case ' ': |
| 87 | case '\n': |
| 88 | delwin(dialog); |
| 89 | return button; |
| 90 | case KEY_ESC: |
| 91 | key = on_key_esc(dialog); |
| 92 | break; |
| 93 | case KEY_RESIZE: |
| 94 | delwin(dialog); |
| 95 | on_key_resize(); |
| 96 | goto do_resize; |
| 97 | } |
| 98 | } |
| 99 | |
| 100 | delwin(dialog); |
| 101 | return key; /* ESC pressed */ |
| 102 | } |