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KeyboardDevice: Implement Caps Lock handling.

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Nufflee 2019-10-13 21:49:11 +02:00 committed by Andreas Kling
parent 437c919dda
commit 9d5792b73d
Notes: sideshowbarker 2024-07-19 11:40:03 +09:00 
Author: https://github.com/Nufflee 🔰
Commit: https://github.com/SerenityOS/serenity/commit/9d5792b73d4
Pull-request: https://github.com/SerenityOS/serenity/pull/657
Reviewed-by: https://github.com/awesomekling
2 changed files with 19 additions and 4 deletions
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22
Kernel/Devices/KeyboardDevice.cpp
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@ -104,7 +104,7 @@ static KeyCode unshifted_key_map[0x80] = {
Key_Invalid,
Key_Alt, // 56
Key_Space, // 57
Key_Invalid, // 58
Key_CapsLock, // 58
Key_F1,
Key_F2,
Key_F3,
@ -199,7 +199,7 @@ static KeyCode shifted_key_map[0x100] = {
Key_Invalid,
Key_Alt,
Key_Space, // 57
Key_Invalid, // 58
Key_CapsLock, // 58
Key_F1,
Key_F2,
Key_F3,
@ -237,9 +237,23 @@ static KeyCode shifted_key_map[0x100] = {
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];
if (key == Key_CapsLock && pressed)
m_caps_lock_on = !m_caps_lock_on;
if (m_caps_lock_on && (m_modifiers == 0 || m_modifiers == Mod_Shift))
{
if (character >= 'a' && character <= 'z')
character &= ~0x20;
else if (character >= 'A' && character <= 'Z')
character |= 0x20;
}
Event event;
event.key = (m_modifiers & Mod_Shift) ? shifted_key_map[raw] : unshifted_key_map[raw];
event.character = (m_modifiers & Mod_Shift) ? shift_map[raw] : map[raw];
event.key = key;
event.character = static_cast<u8>(character);
event.flags = m_modifiers;
if (pressed)
event.flags |= Is_Press;

1
Kernel/Devices/KeyboardDevice.h
View File

@ -47,6 +47,7 @@ private:
KeyboardClient* m_client { nullptr };
CircularQueue<Event, 16> m_queue;
u8 m_modifiers { 0 };
bool m_caps_lock_on { false };
};
class KeyboardClient {