Remove Event::Sync

input/src/event.rs

@@ -12,7 +12,6 @@ pub enum Event {
     MouseScroll { delta: i32 },
     MouseMove { axis: Axis, delta: i32 },
     Key { direction: Direction, kind: KeyKind },
-    Sync,
 }
 
 impl Event {
@@ -35,7 +34,6 @@ impl Event {
                 direction: Direction::Down,
                 kind,
             } => (glue::EV_KEY as _, kind.to_raw(), 1),
-            Event::Sync => (glue::EV_SYN as _, glue::SYN_REPORT as _, 0),
         };
 
         input_event {
@@ -68,7 +66,6 @@ impl Event {
                 direction: Direction::Down,
                 kind: KeyKind::from_raw(code as _)?,
             },
-            (glue::EV_SYN, glue::SYN_REPORT, _) => Event::Sync,
             _ => return None,
         };
 

input/src/event_writer.rs

@@ -54,18 +54,25 @@ impl EventWriter {
         // As far as tokio is concerned, the FD never becomes ready for writing, so just write it normally.
         // If an error happens, it will be propagated to caller and the FD is opened in nonblocking mode anyway,
         // so it shouldn't be an issue.
+        let events = [
+            (event.type_, event.code, event.value),
+            (glue::EV_SYN as _, glue::SYN_REPORT as _, 0), // Include EV_SYN.
+        ];
+
+        for (r#type, code, value) in events.iter().cloned() {
             let ret = unsafe {
                 glue::libevdev_uinput_write_event(
                     self.uinput as *const _,
-                event.type_ as _,
-                event.code as _,
-                event.value,
+                    r#type as _,
+                    code as _,
+                    value,
                 )
             };
 
             if ret < 0 {
                 return Err(Error::from_raw_os_error(-ret));
             }
+        }
 
         Ok(())
     }