/* *  yesno.c -- implements the yes/no box * *  ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk) *  MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com) * *  This program is free software; you can redistribute it and/or *  modify it under the terms of the GNU General Public License *  as published by the Free Software Foundation; either version 2 *  of the License, or (at your option) any later version. * *  This program is distributed in the hope that it will be useful, *  but WITHOUT ANY WARRANTY; without even the implied warranty of *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the *  GNU General Public License for more details. * *  You should have received a copy of the GNU General Public License *  along with this program; if not, write to the Free Software *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */#include "dialog.h"/* * Display termination buttons */static void print_buttons(WINDOW * dialog, int height, int width, int selected){	int x = width / 2 - 10;	int y = height - 2;	print_button(dialog, " Yes ", y, x, selected == 0);	print_button(dialog, "  No  ", y, x + 13, selected == 1);	wmove(dialog, y, x + 1 + 13 * selected);	wrefresh(dialog);}/* * Display a dialog box with two buttons - Yes and No */int dialog_yesno(const char *title, const char *prompt, int height, int width){	int i, x, y, key = 0, button = 0;	WINDOW *dialog;	/* center dialog box on screen */	x = (COLS - width) / 2;	y = (LINES - height) / 2;	draw_shadow(stdscr, y, x, height, width);	dialog = newwin(height, width, y, x);	keypad(dialog, TRUE);	draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr);	wattrset(dialog, border_attr);	mvwaddch(dialog, height - 3, 0, ACS_LTEE);	for (i = 0; i < width - 2; i++)		waddch(dialog, ACS_HLINE);	wattrset(dialog, dialog_attr);	waddch(dialog, ACS_RTEE);	print_title(dialog, title, width);	wattrset(dialog, dialog_attr);	print_autowrap(dialog, prompt, width - 2, 1, 3);	print_buttons(dialog, height, width, 0);	while (key != ESC) {		key = wgetch(dialog);		switch (key) {		case 'Y':		case 'y':			delwin(dialog);			return 0;		case 'N':		case 'n':			delwin(dialog);			return 1;		case TAB:		case KEY_LEFT:		case KEY_RIGHT:			button = ((key == KEY_LEFT ? --button : ++button) < 0) ? 1 : (button > 1 ? 0 : button);			print_buttons(dialog, height, width, button);			wrefresh(dialog);			break;		case ' ':		case '\n':			delwin(dialog);			return button;		case ESC:			break;		}	}	delwin(dialog);	return -1;		/* ESC pressed */}