i want a gui

src/engine.rs

@@ -2,6 +2,7 @@ use crate::config::Engine;
 
 use hidapi::HidApi;
 use rusb::UsbContext;
+use gilrs::{Gilrs, Button, Event};
 
 pub trait InputEngine {
    fn get(&mut self) -> Vec<char>;
@@ -20,13 +21,50 @@ struct InputEngineDevice {
 }
 
 pub fn build_input_engine_device(cfg: &Engine) -> Result<Box<dyn InputEngine>, String> {
+   return build_input_engine_device_gilrs(cfg)
+}
+
+pub fn build_input_engine_device_gilrs(cfg: &Engine) -> Result<Box<dyn InputEngine>, String> {
    let _device_cfg = cfg.device.as_ref().unwrap();
 
+   let mut gilrs = Gilrs::new().unwrap();
+
+   println!("printing gamepads");
+   for (_id, gamepad) in gilrs.gamepads() {
+      println!("{} is {:?}", gamepad.name(), gamepad.power_info());
+   }
+
+   println!("printing gamepads events");
+   let mut active_gamepad = None;
+   loop {
+      // println!("reading gamepads events");
+      // Examine new events
+      while let Some(Event { id, event, time }) = gilrs.next_event() {
+         println!("{:?} New event from {}: {:?}", time, id, event);
+         active_gamepad = Some(id);
+
+         println!("inspecting event");
+         // You can also use cached gamepad state
+         if let Some(gamepad) = active_gamepad.map(|id| gilrs.gamepad(id)) {
+            if gamepad.is_pressed(Button::South) {
+                println!("Button South is pressed (XBox - A, PS - X)");
+            }
+         }
+         break;
+      }
+      std::thread::sleep(std::time::Duration::from_millis(15));
+   }
+
+   return Err("do what".to_string());
+}
+
+pub fn build_input_engine_device_hidapi(cfg: &Engine) -> Result<Box<dyn InputEngine>, String> {
+   let _device_cfg = cfg.device.as_ref().unwrap();
 
    match HidApi::new() {
       Ok(api) => {
          for device in api.devices() {
-            println!("{:#?}", device.product_string);
+            println!("{:#?}", device);
          }
       },
       Err(e) => {