initial commit

src/controller/controls/volume.rs

@@ -0,0 +1,54 @@
+use crate::common::{DialDir, ThresholdHelper};
+use crate::controller::ControlMode;
+use crate::fake_input::FakeInput;
+use crate::DynResult;
+
+use evdev_rs::enums::EV_KEY;
+
+pub struct Volume {
+    thresh: ThresholdHelper,
+
+    fake_input: FakeInput,
+}
+
+impl Volume {
+    pub fn new(sensitivity: i32) -> Volume {
+        Volume {
+            thresh: ThresholdHelper::new(sensitivity),
+
+            fake_input: FakeInput::new(),
+        }
+    }
+}
+
+impl ControlMode for Volume {
+    fn on_btn_press(&mut self) -> DynResult<()> {
+        // TODO: support double-click to mute
+
+        eprintln!("play/pause");
+        // self.fake_input.mute()?
+        self.fake_input.key_click(&[EV_KEY::KEY_PLAYPAUSE])?;
+        Ok(())
+    }
+
+    fn on_btn_release(&mut self) -> DynResult<()> {
+        Ok(())
+    }
+
+    fn on_dial(&mut self, delta: i32) -> DynResult<()> {
+        match self.thresh.update(delta) {
+            Some(DialDir::Left) => {
+                eprintln!("volume down");
+                self.fake_input
+                    .key_click(&[EV_KEY::KEY_LEFTSHIFT, EV_KEY::KEY_VOLUMEDOWN])?
+            }
+            Some(DialDir::Right) => {
+                eprintln!("volume up");
+                self.fake_input
+                    .key_click(&[EV_KEY::KEY_LEFTSHIFT, EV_KEY::KEY_VOLUMEUP])?
+            }
+            None => {}
+        }
+        Ok(())
+    }
+}