ref: use mbe rust macro mash! to dry

src/pedals.rs

@@ -5,71 +5,43 @@
 pub use crate::Pedal;
 use evdev::{EventType, InputEvent, Key};
 
+macro_rules! mash {
+    ( $key:ident, $dt:literal, $ut:literal, $tx:ident ) => {{
+        let code = Key::$key.code();
+        let down_event = InputEvent::new(EventType::KEY, code, 1);
+        let up_event = InputEvent::new(EventType::KEY, code, 0);
+        $tx.send(down_event).unwrap();
+        std::thread::sleep(std::time::Duration::from_millis($dt));
+        $tx.send(up_event).unwrap();
+        std::thread::sleep(std::time::Duration::from_millis($ut));
+    }};
+}
+
 /// Returns a vector of currently defined key-action pairs
 pub fn pedals() -> Vec<Pedal> {
     vec![
         Pedal {
-            key: Key::KEY_KP0,
+            key: Key::KEY_KP7,
-            action: Box::new(|tx| {
+            action: Box::new(|tx| mash!(KEY_SPACE, 26, 31, tx)),
-                let code = Key::KEY_SPACE.code();
-                let down_event = InputEvent::new(EventType::KEY, code, 1);
-                let up_event = InputEvent::new(EventType::KEY, code, 0);
-                tx.send(down_event).unwrap();
-                std::thread::sleep(std::time::Duration::from_millis(26));
-                tx.send(up_event).unwrap();
-                std::thread::sleep(std::time::Duration::from_millis(31));
-            }),
         },
         Pedal {
             key: Key::BTN_SIDE,
-            action: Box::new(|tx| {
+            action: Box::new(|tx| mash!(KEY_SPACE, 26, 31, tx)),
-                let code = Key::KEY_SPACE.code();
-                let down_event = InputEvent::new(EventType::KEY, code, 1);
-                let up_event = InputEvent::new(EventType::KEY, code, 0);
-                tx.send(down_event).unwrap();
-                std::thread::sleep(std::time::Duration::from_millis(26));
-                tx.send(up_event).unwrap();
-                std::thread::sleep(std::time::Duration::from_millis(31));
-            }),
         },
         Pedal {
             key: Key::BTN_EXTRA,
-            action: Box::new(|tx| {
+            action: Box::new(|tx| mash!(KEY_F, 24, 33, tx)),
-                let code = Key::KEY_F.code();
-                let down_event = InputEvent::new(EventType::KEY, code, 1);
-                let up_event = InputEvent::new(EventType::KEY, code, 0);
-                tx.send(down_event).unwrap();
-                std::thread::sleep(std::time::Duration::from_millis(24));
-                tx.send(up_event).unwrap();
-                std::thread::sleep(std::time::Duration::from_millis(33));
-            }),
         },
         Pedal {
-            key: Key::KEY_KP6,
+            key: Key::KEY_KP9,
-            action: Box::new(|tx| {
+            action: Box::new(|tx| mash!(KEY_F, 24, 33, tx)),
-                let code = Key::KEY_F.code();
-                let down_event = InputEvent::new(EventType::KEY, code, 1);
-                let up_event = InputEvent::new(EventType::KEY, code, 0);
-                tx.send(down_event).unwrap();
-                std::thread::sleep(std::time::Duration::from_millis(24));
-                tx.send(up_event).unwrap();
-                std::thread::sleep(std::time::Duration::from_millis(33));
-            }),
         },
         Pedal {
             key: Key::BTN_RIGHT,
-            action: Box::new(|tx| {
+            action: Box::new(|tx| mash!(BTN_LEFT, 19, 26, tx)),
-                let code = Key::BTN_LEFT.code();
-                let down_event = InputEvent::new(EventType::KEY, code, 1);
-                let up_event = InputEvent::new(EventType::KEY, code, 0);
-                tx.send(down_event).unwrap();
-                std::thread::sleep(std::time::Duration::from_millis(19));
-                tx.send(up_event).unwrap();
-                std::thread::sleep(std::time::Duration::from_millis(26));
-            }),
         },
         Pedal {
-            key: Key::KEY_KP4,
+            key: Key::KEY_KP8,
             action: Box::new(|tx| {
                 let code = Key::BTN_LEFT.code();
                 let down_event = InputEvent::new(EventType::KEY, code, 1);