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 */ 27static void print_buttons(WINDOW * dialog, int height, int width, int selected) 28{ 29 int x = width / 2 - 10; 30 int y = height - 2; 31 32 print_button(dialog, " Yes ", y, x, selected == 0); 33 print_button(dialog, " No ", y, x + 13, selected == 1); 34 35 wmove(dialog, y, x + 1 + 13 * selected); 36 wrefresh(dialog); 37} 38 39/* 40 * Display a dialog box with two buttons - Yes and No 41 */ 42int dialog_yesno(const char *title, const char *prompt, int height, int width) 43{ 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 64 print_title(dialog, title, width); 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: 86 button = ((key == KEY_LEFT ? --button : ++button) < 0) ? 1 : (button > 1 ? 0 : button); 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 */ 102} 103