/* *  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 voidprint_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 */intdialog_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);    if (title != NULL && strlen(title) >= width-2 ) {	/* truncate long title -- mec */	char * title2 = malloc(width-2+1);	memcpy( title2, title, width-2 );	title2[width-2] = '\0';	title = title2;    }    if (title != NULL) {	wattrset (dialog, title_attr);	mvwaddch (dialog, 0, (width - strlen(title))/2 - 1, ' ');	waddstr (dialog, (char *)title);	waddch (dialog, ' ');    }    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 */}