138 lines
3.6 KiB
C
138 lines
3.6 KiB
C
/*
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* Copyright (C) 2009 Michael Brown <mbrown@fensystems.co.uk>.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*
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* You can also choose to distribute this program under the terms of
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* the Unmodified Binary Distribution Licence (as given in the file
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* COPYING.UBDL), provided that you have satisfied its requirements.
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*/
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FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
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/** @file
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*
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* Login UI
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*
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*/
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#include <string.h>
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#include <errno.h>
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#include <curses.h>
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#include <ipxe/console.h>
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#include <ipxe/settings.h>
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#include <ipxe/editbox.h>
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#include <ipxe/keys.h>
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#include <ipxe/ansicol.h>
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#include <ipxe/login_ui.h>
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/* Screen layout */
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#define USERNAME_LABEL_ROW ( ( LINES / 2U ) - 4U )
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#define USERNAME_ROW ( ( LINES / 2U ) - 2U )
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#define PASSWORD_LABEL_ROW ( ( LINES / 2U ) + 2U )
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#define PASSWORD_ROW ( ( LINES / 2U ) + 4U )
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#define LABEL_COL ( ( COLS / 2U ) - 4U )
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#define EDITBOX_COL ( ( COLS / 2U ) - 10U )
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#define EDITBOX_WIDTH 20U
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int login_ui ( void ) {
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char username[64];
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char password[64];
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struct edit_box username_box;
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struct edit_box password_box;
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struct edit_box *current_box = &username_box;
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int key;
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int rc = -EINPROGRESS;
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/* Fetch current setting values */
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fetch_string_setting ( NULL, &username_setting, username,
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sizeof ( username ) );
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fetch_string_setting ( NULL, &password_setting, password,
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sizeof ( password ) );
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/* Initialise UI */
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initscr();
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start_color();
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init_editbox ( &username_box, username, sizeof ( username ), NULL,
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USERNAME_ROW, EDITBOX_COL, EDITBOX_WIDTH, 0 );
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init_editbox ( &password_box, password, sizeof ( password ), NULL,
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PASSWORD_ROW, EDITBOX_COL, EDITBOX_WIDTH,
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EDITBOX_STARS );
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/* Draw initial UI */
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color_set ( CPAIR_NORMAL, NULL );
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erase();
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attron ( A_BOLD );
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mvprintw ( USERNAME_LABEL_ROW, LABEL_COL, "Username:" );
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mvprintw ( PASSWORD_LABEL_ROW, LABEL_COL, "Password:" );
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attroff ( A_BOLD );
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color_set ( CPAIR_EDIT, NULL );
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draw_editbox ( &username_box );
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draw_editbox ( &password_box );
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/* Main loop */
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while ( rc == -EINPROGRESS ) {
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draw_editbox ( current_box );
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key = getkey ( 0 );
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switch ( key ) {
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case KEY_DOWN:
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current_box = &password_box;
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break;
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case KEY_UP:
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current_box = &username_box;
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break;
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case TAB:
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current_box = ( ( current_box == &username_box ) ?
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&password_box : &username_box );
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break;
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case KEY_ENTER:
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if ( current_box == &username_box ) {
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current_box = &password_box;
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} else {
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rc = 0;
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}
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break;
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case CTRL_C:
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case ESC:
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rc = -ECANCELED;
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break;
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default:
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edit_editbox ( current_box, key );
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break;
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}
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}
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/* Terminate UI */
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color_set ( CPAIR_NORMAL, NULL );
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erase();
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endwin();
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if ( rc != 0 )
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return rc;
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/* Store settings */
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if ( ( rc = store_setting ( NULL, &username_setting, username,
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strlen ( username ) ) ) != 0 )
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return rc;
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if ( ( rc = store_setting ( NULL, &password_setting, password,
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strlen ( password ) ) ) != 0 )
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return rc;
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return 0;
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}
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