Add support for orientation events

lighthouse-protocol/src/input/input_event.rs

@@ -2,7 +2,7 @@ use serde::{Deserialize, Serialize};
 
 use crate::Direction;
 
-use super::{EventSource, GamepadEvent, KeyEvent, MidiEvent, MouseEvent, UnknownEvent};
+use super::{EventSource, GamepadEvent, KeyEvent, MidiEvent, MouseEvent, OrientationEvent, UnknownEvent};
 
 /// A user input event, as generated by the new frontend (LUNA).
 #[derive(Debug, Serialize, Deserialize, PartialEq, Clone)]
@@ -12,6 +12,7 @@ pub enum InputEvent {
     Mouse(MouseEvent),
     Gamepad(GamepadEvent),
     Midi(MidiEvent),
+    Orientation(OrientationEvent),
     #[serde(untagged)]
     Unknown(UnknownEvent),
 }
@@ -23,6 +24,7 @@ impl InputEvent {
             InputEvent::Key(KeyEvent { source, .. }) => source,
             InputEvent::Mouse(MouseEvent { source, .. }) => source,
             InputEvent::Gamepad(GamepadEvent { source, .. }) => source,
+            InputEvent::Orientation(OrientationEvent { source, .. }) => source,
             InputEvent::Midi(MidiEvent { source, .. }) => source,
             InputEvent::Unknown(UnknownEvent { source, .. }) => source,
         }
@@ -58,7 +60,7 @@ impl InputEvent {
 mod tests {
     use serde_json::json;
 
-    use crate::{Delta, EventSource, GamepadAxis2DEvent, GamepadAxisEvent, GamepadButtonEvent, GamepadControlEvent, GamepadEvent, InputEvent, KeyEvent, KeyModifiers, MouseButton, MouseEvent, Pos, UnknownEvent, Vec2};
+    use crate::{Delta, EventSource, GamepadAxis2DEvent, GamepadAxisEvent, GamepadButtonEvent, GamepadControlEvent, GamepadEvent, InputEvent, KeyEvent, KeyModifiers, MouseButton, MouseEvent, OrientationEvent, Pos, UnknownEvent, Vec2};
 
     #[test]
     fn key_event() {
@@ -180,6 +182,27 @@ mod tests {
         );
     }
 
+    #[test]
+    fn orientation_event() {
+        assert_eq!(
+            serde_json::from_value::<InputEvent>(json!({
+                "type": "orientation",
+                "source": 1,
+                "absolute": false,
+                "alpha": null,
+                "beta": 3.0,
+                "gamma": -10.0,
+            })).unwrap(),
+            InputEvent::Orientation(OrientationEvent {
+                source: EventSource::Int(1),
+                absolute: Some(false),
+                alpha: None,
+                beta: Some(3.0),
+                gamma: Some(-10.0),
+            })
+        )
+    }
+
     #[test]
     fn unknown_event() {
         assert_eq!(

lighthouse-protocol/src/input/mod.rs

@@ -11,6 +11,7 @@ mod legacy_input_event;
 mod midi_event;
 mod mouse_button;
 mod mouse_event;
+mod orientation_event;
 mod unknown_event;
 
 pub use event_source::*;
@@ -26,4 +27,5 @@ pub use legacy_input_event::*;
 pub use midi_event::*;
 pub use mouse_button::*;
 pub use mouse_event::*;
+pub use orientation_event::*;
 pub use unknown_event::*;

lighthouse-protocol/src/input/orientation_event.rs

@@ -0,0 +1,18 @@
+use serde::{Deserialize, Serialize};
+
+use super::EventSource;
+
+/// A device orientation event.
+#[derive(Debug, Serialize, Deserialize, PartialEq, Clone)]
+pub struct OrientationEvent {
+    /// The client identifier.
+    pub source: EventSource,
+    // /// Whether the device provides absolute orientation data.
+    pub absolute: Option<bool>,
+    /// The motion of the device around the z-axis, in degrees from 0 (inclusive) to 360 (exclusive).
+    pub alpha: Option<f64>,
+    /// The motion of the device around the x-axis (front to back motion), in degrees from -180 (inclusive) to 180 (exclusive).
+    pub beta: Option<f64>,
+    /// The motion of the device around the y-axis (left to right motion), in degrees from -90 (inclusive) to 90 (exclusive).
+    pub gamma: Option<f64>,
+}