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KeyboardDevice: Rename 0xe0 flag for clarity.

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Nufflee 2019-10-17 23:08:10 +02:00 committed by Andreas Kling
parent 0979f372a6
commit 7b6aba4284
Notes: sideshowbarker 2024-07-19 11:39:51 +09:00 
Author: https://github.com/Nufflee
Commit: https://github.com/SerenityOS/serenity/commit/7b6aba42843
Pull-request: https://github.com/SerenityOS/serenity/pull/657
Reviewed-by: https://github.com/awesomekling
2 changed files with 8 additions and 7 deletions
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13
Kernel/Devices/KeyboardDevice.cpp
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@ -247,7 +247,7 @@ void KeyboardDevice::key_state_changed(u8 raw, bool pressed)
if (key == Key_NumLock && pressed)
m_num_lock_on = !m_num_lock_on;
if (m_num_lock_on && m_is_numpad_key)
if (m_num_lock_on && !m_has_e0_prefix)
{
if (raw >= 0x47 && raw <= 0x53)
{
@ -283,7 +283,7 @@ void KeyboardDevice::key_state_changed(u8 raw, bool pressed)
m_client->on_key_pressed(event);
m_queue.enqueue(event);
m_is_numpad_key = true;
m_has_e0_prefix = false;
}
void KeyboardDevice::handle_irq()
@ -296,6 +296,11 @@ void KeyboardDevice::handle_irq()
u8 ch = raw & 0x7f;
bool pressed = !(raw & 0x80);
if (raw == 0xe0) {
m_has_e0_prefix = true;
return;
}
#ifdef KEYBOARD_DEBUG
dbgprintf("Keyboard::handle_irq: %b %s\n", ch, pressed ? "down" : "up");
#endif
@ -313,10 +318,6 @@ void KeyboardDevice::handle_irq()
case 0x36:
update_modifier(Mod_Shift, pressed);
break;
case 0x60:
// This flag means next key pressed could be but is not a numpad key.
m_is_numpad_key = false;
return;
}
switch (ch) {
case I8042_ACK:

2
Kernel/Devices/KeyboardDevice.h
View file

@ -49,7 +49,7 @@ private:
u8 m_modifiers { 0 };
bool m_caps_lock_on { false };
bool m_num_lock_on { false };
bool m_is_numpad_key { false };
bool m_has_e0_prefix { false };
};
class KeyboardClient {