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author | Michael Brown | 2009-02-17 13:01:47 +0100 |
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committer | Michael Brown | 2009-02-17 13:02:16 +0100 |
commit | 6de4db5da089c7926f08dd15164676bc8b88f285 (patch) | |
tree | 05354d5d97fdeb8e00ad871996985436c19fde89 /src/hci/tui/login_ui.c | |
parent | [settings] Allow store_setting() to access the root settings block (diff) | |
download | ipxe-6de4db5da089c7926f08dd15164676bc8b88f285.tar.gz ipxe-6de4db5da089c7926f08dd15164676bc8b88f285.tar.xz ipxe-6de4db5da089c7926f08dd15164676bc8b88f285.zip |
[login] Add "login" command and UI
Diffstat (limited to 'src/hci/tui/login_ui.c')
-rw-r--r-- | src/hci/tui/login_ui.c | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/src/hci/tui/login_ui.c b/src/hci/tui/login_ui.c new file mode 100644 index 00000000..c14a2c03 --- /dev/null +++ b/src/hci/tui/login_ui.c @@ -0,0 +1,135 @@ +/* + * 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 + * + * 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; +} |