[golan] Do not assume all devices are identical
[ipxe.git] / src / hci / tui / login_ui.c
1 /*
2 * Copyright (C) 2009 Michael Brown <mbrown@fensystems.co.uk>.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 2 of the
7 * License, or any later version.
8 *
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
17 * 02110-1301, USA.
18 *
19 * You can also choose to distribute this program under the terms of
20 * the Unmodified Binary Distribution Licence (as given in the file
21 * COPYING.UBDL), provided that you have satisfied its requirements.
22 */
23
24 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
25
26 /** @file
27 *
28 * Login UI
29 *
30 */
31
32 #include <string.h>
33 #include <errno.h>
34 #include <curses.h>
35 #include <ipxe/console.h>
36 #include <ipxe/settings.h>
37 #include <ipxe/editbox.h>
38 #include <ipxe/keys.h>
39 #include <ipxe/ansicol.h>
40 #include <ipxe/login_ui.h>
41
42 /* Screen layout */
43 #define USERNAME_LABEL_ROW ( ( LINES / 2U ) - 4U )
44 #define USERNAME_ROW ( ( LINES / 2U ) - 2U )
45 #define PASSWORD_LABEL_ROW ( ( LINES / 2U ) + 2U )
46 #define PASSWORD_ROW ( ( LINES / 2U ) + 4U )
47 #define LABEL_COL ( ( COLS / 2U ) - 4U )
48 #define EDITBOX_COL ( ( COLS / 2U ) - 10U )
49 #define EDITBOX_WIDTH 20U
50
51 int login_ui ( void ) {
52 char username[64];
53 char password[64];
54 struct edit_box username_box;
55 struct edit_box password_box;
56 struct edit_box *current_box = &username_box;
57 int key;
58 int rc = -EINPROGRESS;
59
60 /* Fetch current setting values */
61 fetch_string_setting ( NULL, &username_setting, username,
62 sizeof ( username ) );
63 fetch_string_setting ( NULL, &password_setting, password,
64 sizeof ( password ) );
65
66 /* Initialise UI */
67 initscr();
68 start_color();
69 init_editbox ( &username_box, username, sizeof ( username ), NULL,
70 USERNAME_ROW, EDITBOX_COL, EDITBOX_WIDTH, 0 );
71 init_editbox ( &password_box, password, sizeof ( password ), NULL,
72 PASSWORD_ROW, EDITBOX_COL, EDITBOX_WIDTH,
73 EDITBOX_STARS );
74
75 /* Draw initial UI */
76 color_set ( CPAIR_NORMAL, NULL );
77 erase();
78 attron ( A_BOLD );
79 mvprintw ( USERNAME_LABEL_ROW, LABEL_COL, "Username:" );
80 mvprintw ( PASSWORD_LABEL_ROW, LABEL_COL, "Password:" );
81 attroff ( A_BOLD );
82 color_set ( CPAIR_EDIT, NULL );
83 draw_editbox ( &username_box );
84 draw_editbox ( &password_box );
85
86 /* Main loop */
87 while ( rc == -EINPROGRESS ) {
88
89 draw_editbox ( current_box );
90
91 key = getkey ( 0 );
92 switch ( key ) {
93 case KEY_DOWN:
94 current_box = &password_box;
95 break;
96 case KEY_UP:
97 current_box = &username_box;
98 break;
99 case TAB:
100 current_box = ( ( current_box == &username_box ) ?
101 &password_box : &username_box );
102 break;
103 case KEY_ENTER:
104 if ( current_box == &username_box ) {
105 current_box = &password_box;
106 } else {
107 rc = 0;
108 }
109 break;
110 case CTRL_C:
111 case ESC:
112 rc = -ECANCELED;
113 break;
114 default:
115 edit_editbox ( current_box, key );
116 break;
117 }
118 }
119
120 /* Terminate UI */
121 color_set ( CPAIR_NORMAL, NULL );
122 erase();
123 endwin();
124
125 if ( rc != 0 )
126 return rc;
127
128 /* Store settings */
129 if ( ( rc = store_setting ( NULL, &username_setting, username,
130 strlen ( username ) ) ) != 0 )
131 return rc;
132 if ( ( rc = store_setting ( NULL, &password_setting, password,
133 strlen ( password ) ) ) != 0 )
134 return rc;
135
136 return 0;
137 }