Add qemu 2.4.0
[kvmfornfv.git] / qemu / roms / ipxe / src / hci / tui / login_ui.c
diff --git a/qemu/roms/ipxe/src/hci/tui/login_ui.c b/qemu/roms/ipxe/src/hci/tui/login_ui.c
new file mode 100644 (file)
index 0000000..996b68a
--- /dev/null
@@ -0,0 +1,133 @@
+/*
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+/** @file
+ *
+ * Login UI
+ *
+ */
+
+#include <string.h>
+#include <errno.h>
+#include <curses.h>
+#include <ipxe/console.h>
+#include <ipxe/settings.h>
+#include <ipxe/editbox.h>
+#include <ipxe/keys.h>
+#include <ipxe/ansicol.h>
+#include <ipxe/login_ui.h>
+
+/* Screen layout */
+#define USERNAME_LABEL_ROW     ( ( LINES / 2U ) - 4U )
+#define USERNAME_ROW           ( ( LINES / 2U ) - 2U )
+#define PASSWORD_LABEL_ROW     ( ( LINES / 2U ) + 2U )
+#define PASSWORD_ROW           ( ( LINES / 2U ) + 4U )
+#define LABEL_COL              ( ( COLS / 2U ) - 4U )
+#define EDITBOX_COL            ( ( COLS / 2U ) - 10U )
+#define EDITBOX_WIDTH          20U
+
+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_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 */
+       color_set ( CPAIR_NORMAL, NULL );
+       erase();
+       attron ( A_BOLD );
+       mvprintw ( USERNAME_LABEL_ROW, LABEL_COL, "Username:" );
+       mvprintw ( PASSWORD_LABEL_ROW, LABEL_COL, "Password:" );
+       attroff ( A_BOLD );
+       color_set ( CPAIR_EDIT, NULL );
+       draw_editbox ( &username_box );
+       draw_editbox ( &password_box );
+
+       /* Main loop */
+       while ( rc == -EINPROGRESS ) {
+
+               draw_editbox ( current_box );
+
+               key = getkey ( 0 );
+               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;
+}