/*
* Copyright (C) 2009 Michael Brown <mbrown@fensystems.co.uk>.
*
* 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 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.
*/
FILE_LICENCE ( GPL2_OR_LATER );
/** @file
*
* Login UI
*
*/
#include <string.h>
#include <errno.h>
#include <curses.h>
#include <console.h>
#include <gpxe/settings.h>
#include <gpxe/editbox.h>
#include <gpxe/keys.h>
#include <gpxe/login_ui.h>
/* Colour pairs */
#define CPAIR_NORMAL 1
#define CPAIR_LABEL 2
#define CPAIR_EDITBOX 3
/* Screen layout */
#define USERNAME_LABEL_ROW 8
#define USERNAME_ROW 10
#define PASSWORD_LABEL_ROW 14
#define PASSWORD_ROW 16
#define LABEL_COL 36
#define EDITBOX_COL 30
#define EDITBOX_WIDTH 20
int login_ui ( void ) {
char username[64];
char password[64];
struct edit_box username_box;
struct edit_box password_box;
struct edit_box *current_box = &username_box;
int key;
int rc = -EINPROGRESS;
/* Fetch current setting values */
fetch_string_setting ( NULL, &username_setting, username,
sizeof ( username ) );
fetch_string_setting ( NULL, &password_setting, password,
sizeof ( password ) );
/* Initialise UI */
initscr();
start_color();
init_pair ( CPAIR_NORMAL, COLOR_WHITE, COLOR_BLACK );
init_pair ( CPAIR_LABEL, COLOR_WHITE, COLOR_BLACK );
init_pair ( CPAIR_EDITBOX, COLOR_WHITE, COLOR_BLUE );
init_editbox ( &username_box, username, sizeof ( username ), NULL,
USERNAME_ROW, EDITBOX_COL, EDITBOX_WIDTH, 0 );
init_editbox ( &password_box, password, sizeof ( password ), NULL,
PASSWORD_ROW, EDITBOX_COL, EDITBOX_WIDTH,
EDITBOX_STARS );
/* Draw initial UI */
erase();
color_set ( CPAIR_LABEL, NULL );
mvprintw ( USERNAME_LABEL_ROW, LABEL_COL, "Username:" );
mvprintw ( PASSWORD_LABEL_ROW, LABEL_COL, "Password:" );
color_set ( CPAIR_EDITBOX, NULL );
draw_editbox ( &username_box );
draw_editbox ( &password_box );
/* Main loop */
while ( rc == -EINPROGRESS ) {
draw_editbox ( current_box );
key = getkey();
switch ( key ) {
case KEY_DOWN:
current_box = &password_box;
break;
case KEY_UP:
current_box = &username_box;
break;
case TAB:
current_box = ( ( current_box == &username_box ) ?
&password_box : &username_box );
break;
case KEY_ENTER:
if ( current_box == &username_box ) {
current_box = &password_box;
} else {
rc = 0;
}
break;
case CTRL_C:
case ESC:
rc = -ECANCELED;
break;
default:
edit_editbox ( current_box, key );
break;
}
}
/* Terminate UI */
color_set ( CPAIR_NORMAL, NULL );
erase();
endwin();
if ( rc != 0 )
return rc;
/* Store settings */
if ( ( rc = store_setting ( NULL, &username_setting, username,
strlen ( username ) ) ) != 0 )
return rc;
if ( ( rc = store_setting ( NULL, &password_setting, password,
strlen ( password ) ) ) != 0 )
return rc;
return 0;
}
