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keyboard: add alt modifier

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Mathieu Maret 2023-03-21 22:40:10 +01:00 committed by Mathieu Maret
parent 098330c845
commit 1f844d6a35
1 changed files with 139 additions and 0 deletions
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139
drivers/keyboard.c
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@ -144,6 +144,135 @@ const char *scancode[128] = {
/* 126 */ 0,
/* 127 */ 0};
const char *scancode_alt[128] = {
/* 0 */ 0,
/* 1 */ "\e",
/* 2 */ "1",
/* 3 */ "~",
/* 4 */ "#",
/* 5 */ "{",
/* 6 */ "[",
/* 7 */ "|",
/* 8 */ "`",
/* 9 */ "\\",
/* 10 */ "^",
/* 11 */ "@",
/* 12 */ "]",
/* 13 */ "}",
/* 14 */ "\b", /* Shift-Backspace */
/* 15 */ "\e[Z", /* Shift-Tab */
/* 16 */ "A",
/* 17 */ "Z",
/* 18 */ "E",
/* 19 */ "R",
/* 20 */ "T",
/* 21 */ "Y",
/* 22 */ "U",
/* 23 */ "I",
/* 24 */ "O",
/* 25 */ "P",
/* 26 */ "\"",
/* 27 */ "£",
/* 28 */ "\n",
/* 29 */ 0, /* left control */
/* 30 */ "Q",
/* 31 */ "S",
/* 32 */ "D",
/* 33 */ "F",
/* 34 */ "G",
/* 35 */ "H",
/* 36 */ "J",
/* 37 */ "K",
/* 38 */ "L",
/* 39 */ "M",
/* 40 */ "%",
/* 41 */ 0,
/* 42 */ 0,
/* 43 */ "µ",
/* 44 */ "W",
/* 45 */ "X",
/* 46 */ "C",
/* 47 */ "V",
/* 48 */ "B",
/* 49 */ "N",
/* 50 */ "?",
/* 51 */ ".",
/* 52 */ "/",
/* 53 */ "§",
/* 54 */ 0,
/* 55 */ 0,
/* 56 */ 0,
/* 57 */ 0,
/* 58 */ 0,
/* 59 */ "\eOP", /* Shift-F1 */
/* 60 */ "\eOQ", /* Shift-F2 */
/* 61 */ "\eOR", /* Shift-F3 */
/* 62 */ "\eOS", /* Shift-F4 */
/* 63 */ "\e[15;2~", /* Shift-F5 */
/* 64 */ "\e[17;2~", /* Shift-F6 */
/* 65 */ "\e[18;2~", /* Shift-F7 */
/* 66 */ "\e[19;2~", /* Shift-F8 */
/* 67 */ "\e[20:2~", /* Shift-F9 */
/* 68 */ "\e[21:2~", /* Shift-F10 */
/* 69 */ 0,
/* 70 */ 0,
/* 71 */ 0,
/* 72 */ 0,
/* 73 */ 0,
/* 74 */ 0,
/* 75 */ 0,
/* 76 */ 0,
/* 77 */ 0,
/* 78 */ 0,
/* 79 */ 0,
/* 80 */ 0,
/* 81 */ 0,
/* 82 */ 0,
/* 83 */ 0,
/* 84 */ 0,
/* 85 */ 0,
/* 86 */ ">",
/* 87 */ "\e[23;2~", /* Shift-F11 */
/* 88 */ "\e[24;2~", /* Shift-F12 */
/* 89 */ 0,
/* 90 */ 0,
/* 91 */ 0,
/* 92 */ 0,
/* 93 */ 0,
/* 94 */ 0,
/* 95 */ 0,
/* 96 */ 0,
/* 97 */ 0,
/* 98 */ 0,
/* 99 */ 0,
/* 100 */ 0,
/* 101 */ 0,
/* 102 */ 0,
/* 103 */ 0,
/* 104 */ 0,
/* 105 */ 0,
/* 106 */ 0,
/* 107 */ 0,
/* 108 */ 0,
/* 109 */ 0,
/* 110 */ 0,
/* 111 */ 0,
/* 112 */ 0,
/* 113 */ 0,
/* 114 */ 0,
/* 115 */ 0,
/* 116 */ 0,
/* 117 */ 0,
/* 118 */ 0,
/* 119 */ 0,
/* 120 */ 0,
/* 121 */ 0,
/* 122 */ 0,
/* 123 */ 0,
/* 124 */ 0,
/* 125 */ 0,
/* 126 */ 0,
/* 127 */ 0};
const char *scancode_shift[128] = {
/* 0 */ 0,
/* 1 */ "\e",
@ -279,6 +408,7 @@ void keyboard_do_irq()
static int lshift = 0;
static int rshift = 0;
static int capslock = 0;
static int alt = 0;
static int isExt = 0;
unsigned char c = inb(KEYBOARD_DATA_PORT);
const char *key = NULL;
@ -298,12 +428,17 @@ void keyboard_do_irq()
case 54:
rshift = 1;
break;
case 56:
alt = 1;
break;
case 58:
capslock = 1 - capslock;
break;
default:
if ((lshift || rshift) ^ capslock) {
key = scancode_shift[(int)c];
} else if (alt) {
key = scancode_alt[(int)c];
} else {
key = scancode[(int)c];
}
@ -316,6 +451,10 @@ void keyboard_do_irq()
break;
case 54:
rshift = 0;
break;
case 56:
alt = 0;
break;
}
}
}