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macos: map Print Screen / Scroll Lock / Pause to F13/F14/F15 #445

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macos: map Print Screen / Scroll Lock / Pause to F13/F14/F15 #445

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40b2c42
macos: map Print Screen / Scroll Lock / Pause to F13/F14/F15
tyvsmith May 22, 2026
d5b527c
style: cargo fmt
tyvsmith May 26, 2026
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21 changes: 15 additions & 6 deletions input-emulation/src/macos.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -452,12 +452,21 @@ impl Emulation for MacOSEmulation {
key,
state,
} => {
let code = match KeyMap::from_key_mapping(KeyMapping::Evdev(key as u16)) {
Ok(k) => k.mac as CGKeyCode,
Err(_) => {
log::warn!("unable to map key event");
return Ok(());
}
// Fallback table for Linux evdev keys that have no macOS CGKeyCode in
// the keycode crate's Chromium-derived table. F13/F14/F15 are the
// conventional macOS stand-ins for Print Screen / Scroll Lock / Pause,
// which do not exist on Apple keyboards.
let code: CGKeyCode = match scancode::Linux::try_from(key) {
Ok(scancode::Linux::KeySysrq) => 0x69, // F13
Ok(scancode::Linux::KeyScrollLock) => 0x6B, // F14
Ok(scancode::Linux::KeyPause) => 0x71, // F15
_ => match KeyMap::from_key_mapping(KeyMapping::Evdev(key as u16)) {
Comment on lines +459 to +463
Ok(k) => k.mac as CGKeyCode,
Err(_) => {
log::warn!("unable to map key event");
return Ok(());
}
},
};
let is_modifier = update_modifiers(&self.modifier_state, key, state);
if is_modifier {
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