1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/kconfig/lxdialog/yesno.c	Sat Feb 24 11:00:05 2007 +0000
     1.3 @@ -0,0 +1,114 @@
     1.4 +/*
     1.5 + *  yesno.c -- implements the yes/no box
     1.6 + *
     1.7 + *  ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
     1.8 + *  MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com)
     1.9 + *
    1.10 + *  This program is free software; you can redistribute it and/or
    1.11 + *  modify it under the terms of the GNU General Public License
    1.12 + *  as published by the Free Software Foundation; either version 2
    1.13 + *  of the License, or (at your option) any later version.
    1.14 + *
    1.15 + *  This program is distributed in the hope that it will be useful,
    1.16 + *  but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.17 + *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    1.18 + *  GNU General Public License for more details.
    1.19 + *
    1.20 + *  You should have received a copy of the GNU General Public License
    1.21 + *  along with this program; if not, write to the Free Software
    1.22 + *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
    1.23 + */
    1.24 +
    1.25 +#include "dialog.h"
    1.26 +
    1.27 +/*
    1.28 + * Display termination buttons
    1.29 + */
    1.30 +static void print_buttons(WINDOW * dialog, int height, int width, int selected)
    1.31 +{
    1.32 +	int x = width / 2 - 10;
    1.33 +	int y = height - 2;
    1.34 +
    1.35 +	print_button(dialog, " Yes ", y, x, selected == 0);
    1.36 +	print_button(dialog, "  No  ", y, x + 13, selected == 1);
    1.37 +
    1.38 +	wmove(dialog, y, x + 1 + 13 * selected);
    1.39 +	wrefresh(dialog);
    1.40 +}
    1.41 +
    1.42 +/*
    1.43 + * Display a dialog box with two buttons - Yes and No
    1.44 + */
    1.45 +int dialog_yesno(const char *title, const char *prompt, int height, int width)
    1.46 +{
    1.47 +	int i, x, y, key = 0, button = 0;
    1.48 +	WINDOW *dialog;
    1.49 +
    1.50 +do_resize:
    1.51 +	if (getmaxy(stdscr) < (height + 4))
    1.52 +		return -ERRDISPLAYTOOSMALL;
    1.53 +	if (getmaxx(stdscr) < (width + 4))
    1.54 +		return -ERRDISPLAYTOOSMALL;
    1.55 +
    1.56 +	/* center dialog box on screen */
    1.57 +	x = (COLS - width) / 2;
    1.58 +	y = (LINES - height) / 2;
    1.59 +
    1.60 +	draw_shadow(stdscr, y, x, height, width);
    1.61 +
    1.62 +	dialog = newwin(height, width, y, x);
    1.63 +	keypad(dialog, TRUE);
    1.64 +
    1.65 +	draw_box(dialog, 0, 0, height, width,
    1.66 +		 dlg.dialog.atr, dlg.border.atr);
    1.67 +	wattrset(dialog, dlg.border.atr);
    1.68 +	mvwaddch(dialog, height - 3, 0, ACS_LTEE);
    1.69 +	for (i = 0; i < width - 2; i++)
    1.70 +		waddch(dialog, ACS_HLINE);
    1.71 +	wattrset(dialog, dlg.dialog.atr);
    1.72 +	waddch(dialog, ACS_RTEE);
    1.73 +
    1.74 +	print_title(dialog, title, width);
    1.75 +
    1.76 +	wattrset(dialog, dlg.dialog.atr);
    1.77 +	print_autowrap(dialog, prompt, width - 2, 1, 3);
    1.78 +
    1.79 +	print_buttons(dialog, height, width, 0);
    1.80 +
    1.81 +	while (key != KEY_ESC) {
    1.82 +		key = wgetch(dialog);
    1.83 +		switch (key) {
    1.84 +		case 'Y':
    1.85 +		case 'y':
    1.86 +			delwin(dialog);
    1.87 +			return 0;
    1.88 +		case 'N':
    1.89 +		case 'n':
    1.90 +			delwin(dialog);
    1.91 +			return 1;
    1.92 +
    1.93 +		case TAB:
    1.94 +		case KEY_LEFT:
    1.95 +		case KEY_RIGHT:
    1.96 +			button = ((key == KEY_LEFT ? --button : ++button) < 0) ? 1 : (button > 1 ? 0 : button);
    1.97 +
    1.98 +			print_buttons(dialog, height, width, button);
    1.99 +			wrefresh(dialog);
   1.100 +			break;
   1.101 +		case ' ':
   1.102 +		case '\n':
   1.103 +			delwin(dialog);
   1.104 +			return button;
   1.105 +		case KEY_ESC:
   1.106 +			key = on_key_esc(dialog);
   1.107 +			break;
   1.108 +		case KEY_RESIZE:
   1.109 +			delwin(dialog);
   1.110 +			on_key_resize();
   1.111 +			goto do_resize;
   1.112 +		}
   1.113 +	}
   1.114 +
   1.115 +	delwin(dialog);
   1.116 +	return key;		/* ESC pressed */
   1.117 +}