init: initial keypress send

license

src/main.rs

@@ -0,0 +1,46 @@
+use evdev::uinput::VirtualDevice;
+use evdev::{AttributeSet, EventType, InputEvent, KeyCode, KeyEvent};
+use std::thread::sleep;
+use std::time::Duration;
+
+pub enum KeyState {
+    Latched(),
+    Locked,
+    None,
+}
+
+fn main() -> std::io::Result<()> {
+    let mut keys = AttributeSet::<KeyCode>::default();
+    keys.insert(KeyCode::KEY_A);
+
+    let mut device = VirtualDevice::builder()?
+        .name("lollipop")
+        .with_keys(&keys)?
+        .build()?;
+
+    for path in device.enumerate_dev_nodes_blocking()? {
+        let path = path?;
+        println!("Available as {}", path.display());
+    }
+
+    sleep(Duration::from_secs(2));
+
+    let code = KeyCode::KEY_A.code();
+
+    loop {
+        // this guarantees a key event
+        let down_event = *KeyEvent::new(KeyCode(code), 1);
+        device.emit(&[down_event]).unwrap();
+        println!("Pressed.");
+        sleep(Duration::from_secs(2));
+
+        // alternativeley we can create a InputEvent, which will be any variant of InputEvent
+        // depending on the type_ value
+        let up_event = InputEvent::new(EventType::KEY.0, code, 0);
+        device.emit(&[up_event]).unwrap();
+        println!("Released.");
+        sleep(Duration::from_secs(2));
+    }
+
+    Ok(())
+}