Module keyboard_layout 

Keyboard Layout Configuration

Owns the shared keyboard modifier state and scancode processing logic. Layout-specific modules (keyboard.rs, keyboard_us.rs) only provide scancode-to-ASCII lookup tables.

Structs

KeyboardState

Keyboard modifier state : shared across all layouts.

Constants

KEY_DOWN

KEY_END

KEY_HOME

KEY_LEFT

KEY_RIGHT

KEY_UP

Special key constants (non-ASCII, outside 0-127)

Statics

AZERTY_NORMAL

French AZERTY scancode set 1 -> ASCII mapping (lowercase)

AZERTY_SHIFT

French AZERTY shifted scancode -> ASCII mapping

KEYBOARD

Global keyboard modifier state : single instance shared by all layouts.

QWERTY_NORMAL

US QWERTY scancode set 1 -> ASCII mapping (lowercase)

QWERTY_SHIFT

US QWERTY shifted scancode -> ASCII mapping

USE_FRENCH_LAYOUT 🔒

Functions

handle_scancode

Read port 0x60 and process the scancode with the current layout tables.

handle_scancode_raw

Process a pre-read scancode byte with the current layout tables.

is_french_layout

Get the current keyboard layout setting

process_scancode

Process a single scancode byte with the given lookup tables.

set_french_layout

Set the keyboard layout to French AZERTY

set_us_layout

Set the keyboard layout to US QWERTY