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Kernel: Implement the setkeymap() syscall.

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Hüseyin ASLITÜRK 2019-11-23 10:48:07 +03:00 • committed by Andreas Kling
parent 28ada30783
commit 794ca16cca
5 changed files with 54 additions and 3 deletions
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37
Kernel/Devices/KeyboardDevice.cpp
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@ -17,7 +17,11 @@
#define I8042_MOUSE_BUFFER 0x20
#define I8042_KEYBOARD_BUFFER 0x00
static char map[0x80] = {
char *map;
char *shift_map;
char *alt_map;
static char en_map[0x80] = {
0, '\033', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=', 0x08, '\t',
'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', '\n', 0,
'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', '\'', '`', 0, '\\',
@ -31,7 +35,7 @@ static char map[0x80] = {
0, 0, 0, 0, 0, 0, '\\', 0, 0, 0,
};
static char shift_map[0x80] = {
static char en_shift_map[0x80] = {
0, '\033', '!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '_', '+', 0x08, '\t',
'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '{', '}', '\n', 0,
'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', '"', '~', 0, '|',
@ -242,7 +246,7 @@ static KeyCode numpad_key_map[13] = { Key_7, Key_8, Key_9, Key_Invalid, Key_4, K
void KeyboardDevice::key_state_changed(u8 raw, bool pressed)
{
KeyCode key = (m_modifiers & Mod_Shift) ? shifted_key_map[raw] : unshifted_key_map[raw];
char character = (m_modifiers & Mod_Shift) ? shift_map[raw] : map[raw];
char character = (m_modifiers & Mod_Shift) ? shift_map[raw]: (m_modifiers & Mod_Alt) ? alt_map[raw] : map[raw];
if (key == Key_NumLock && pressed)
m_num_lock_on = !m_num_lock_on;
@ -261,6 +265,14 @@ void KeyboardDevice::key_state_changed(u8 raw, bool pressed)
}
}
}
else
{
if(m_has_e0_prefix) {
if(key == Key_Slash) {
character = '/'; // On Turkish-QWERTY Keyboard Key_Slash mapped to '.' char, if e0 prefix is true remap to '/' char
}
}
}
if (key == Key_CapsLock && pressed)
m_caps_lock_on = !m_caps_lock_on;
@ -356,6 +368,8 @@ KeyboardDevice::KeyboardDevice()
{
s_the = this;
KeyboardDevice::set_maps(en_map, en_shift_map, en_map);
// Empty the buffer of any pending data.
// I don't care what you've been pressing until now!
while (IO::in8(I8042_STATUS) & I8042_BUFFER_FULL)
@ -397,3 +411,20 @@ ssize_t KeyboardDevice::write(FileDescription&, const u8*, ssize_t)
KeyboardClient::~KeyboardClient()
{
}
void KeyboardDevice::set_maps(char* n_map, char* n_shift_map, char* n_alt_map)
{
kfree(map);
kfree(shift_map);
kfree(alt_map);
map = (char*) kmalloc(0x80);
shift_map = (char*) kmalloc(0x80);
alt_map = (char*) kmalloc(0x80);
for(int i=0; i < 0x80; i++) {
map[i] = n_map[i];
shift_map[i] = n_shift_map[i];
alt_map[i] = n_alt_map[i];
}
}