| 1 | /* |
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| 2 | * yesno.c -- implements the yes/no box |
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| 3 | * |
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| 4 | * ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk) |
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| 5 | * MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com) |
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| 6 | * |
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| 7 | * This program is free software; you can redistribute it and/or |
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| 8 | * modify it under the terms of the GNU General Public License |
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| 9 | * as published by the Free Software Foundation; either version 2 |
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| 10 | * of the License, or (at your option) any later version. |
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| 11 | * |
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| 12 | * This program is distributed in the hope that it will be useful, |
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 15 | * GNU General Public License for more details. |
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| 16 | * |
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| 17 | * You should have received a copy of the GNU General Public License |
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| 18 | * along with this program; if not, write to the Free Software |
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| 19 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 20 | */ |
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| 21 | |
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| 22 | #include "dialog.h" |
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| 23 | |
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| 24 | /* |
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| 25 | * Display termination buttons |
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| 26 | */ |
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| 27 | static void print_buttons(WINDOW * dialog, int height, int width, int selected) |
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| 28 | { |
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| 29 | int x = width / 2 - 10; |
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| 30 | int y = height - 2; |
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| 31 | |
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| 32 | print_button(dialog, " Yes ", y, x, selected == 0); |
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| 33 | print_button(dialog, " No ", y, x + 13, selected == 1); |
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| 34 | |
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| 35 | wmove(dialog, y, x + 1 + 13 * selected); |
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| 36 | wrefresh(dialog); |
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| 37 | } |
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| 38 | |
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| 39 | /* |
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| 40 | * Display a dialog box with two buttons - Yes and No |
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| 41 | */ |
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| 42 | int dialog_yesno(const char *title, const char *prompt, int height, int width) |
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| 43 | { |
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| 44 | int i, x, y, key = 0, button = 0; |
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| 45 | WINDOW *dialog; |
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| 46 | |
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| 47 | /* center dialog box on screen */ |
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| 48 | x = (COLS - width) / 2; |
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| 49 | y = (LINES - height) / 2; |
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| 50 | |
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| 51 | draw_shadow(stdscr, y, x, height, width); |
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| 52 | |
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| 53 | dialog = newwin(height, width, y, x); |
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| 54 | keypad(dialog, TRUE); |
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| 55 | |
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| 56 | draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr); |
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| 57 | wattrset(dialog, border_attr); |
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| 58 | mvwaddch(dialog, height - 3, 0, ACS_LTEE); |
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| 59 | for (i = 0; i < width - 2; i++) |
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| 60 | waddch(dialog, ACS_HLINE); |
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| 61 | wattrset(dialog, dialog_attr); |
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| 62 | waddch(dialog, ACS_RTEE); |
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| 63 | |
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| 64 | print_title(dialog, title, width); |
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| 65 | |
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| 66 | wattrset(dialog, dialog_attr); |
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| 67 | print_autowrap(dialog, prompt, width - 2, 1, 3); |
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| 68 | |
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| 69 | print_buttons(dialog, height, width, 0); |
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| 70 | |
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| 71 | while (key != ESC) { |
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| 72 | key = wgetch(dialog); |
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| 73 | switch (key) { |
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| 74 | case 'Y': |
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| 75 | case 'y': |
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| 76 | delwin(dialog); |
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| 77 | return 0; |
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| 78 | case 'N': |
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| 79 | case 'n': |
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| 80 | delwin(dialog); |
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| 81 | return 1; |
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| 82 | |
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| 83 | case TAB: |
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| 84 | case KEY_LEFT: |
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| 85 | case KEY_RIGHT: |
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| 86 | button = ((key == KEY_LEFT ? --button : ++button) < 0) ? 1 : (button > 1 ? 0 : button); |
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| 87 | |
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| 88 | print_buttons(dialog, height, width, button); |
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| 89 | wrefresh(dialog); |
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| 90 | break; |
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| 91 | case ' ': |
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| 92 | case '\n': |
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| 93 | delwin(dialog); |
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| 94 | return button; |
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| 95 | case ESC: |
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| 96 | break; |
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| 97 | } |
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| 98 | } |
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| 99 | |
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| 100 | delwin(dialog); |
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| 101 | return -1; /* ESC pressed */ |
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| 102 | } |
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