| [1765] | 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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