add scroll + notifications

oh my god it took far too long to get notifications working...

src/controller/controls/dpad.rs

@@ -87,7 +87,7 @@ impl Worker {
                 Ordering::Greater => self.fake_input.key_press(&[EV_KEY::KEY_RIGHT]).unwrap(),
             }
 
-            eprintln!("{:?}", self.velocity);
+            // eprintln!("{:?}", self.velocity);
         }
     }
 }

src/controller/controls/media.rs

@@ -23,11 +23,11 @@ impl Media {
 
 impl ControlMode for Media {
     fn on_btn_press(&mut self) -> DynResult<()> {
-        self.fake_input.key_click(&[EV_KEY::KEY_PLAYPAUSE])?;
         Ok(())
     }
 
     fn on_btn_release(&mut self) -> DynResult<()> {
+        self.fake_input.key_click(&[EV_KEY::KEY_PLAYPAUSE])?;
         Ok(())
     }
 

src/controller/controls/mod.rs

@@ -1,7 +1,9 @@
 mod dpad;
 mod media;
+mod scroll_zoom;
 mod volume;
 
 pub use self::dpad::*;
 pub use self::media::*;
+pub use self::scroll_zoom::*;
 pub use self::volume::*;

src/controller/controls/scroll_zoom.rs

@@ -0,0 +1,68 @@
+use crate::common::{action_notification, DialDir, ThresholdHelper};
+use crate::controller::ControlMode;
+use crate::fake_input::{FakeInput, ScrollStep};
+use crate::DynResult;
+
+use evdev_rs::enums::EV_KEY;
+
+pub struct ScrollZoom {
+    thresh: ThresholdHelper,
+    zoom: bool,
+
+    fake_input: FakeInput,
+}
+
+impl ScrollZoom {
+    pub fn new(sensitivity: i32) -> ScrollZoom {
+        ScrollZoom {
+            thresh: ThresholdHelper::new(sensitivity),
+            zoom: false,
+
+            fake_input: FakeInput::new(),
+        }
+    }
+}
+
+impl ControlMode for ScrollZoom {
+    fn on_btn_press(&mut self) -> DynResult<()> {
+        Ok(())
+    }
+
+    fn on_btn_release(&mut self) -> DynResult<()> {
+        self.zoom = !self.zoom;
+        if self.zoom {
+            action_notification("Zoom Mode", "zoom-in")?;
+        } else {
+            action_notification("ScrollZoom Mode", "input-mouse")?;
+        }
+
+        Ok(())
+    }
+
+    fn on_dial(&mut self, delta: i32) -> DynResult<()> {
+        match self.thresh.update(delta) {
+            None => {}
+            Some(DialDir::Left) => {
+                if self.zoom {
+                    eprintln!("zoom out");
+                    self.fake_input
+                        .key_click(&[EV_KEY::KEY_LEFTCTRL, EV_KEY::KEY_MINUS])?;
+                } else {
+                    eprintln!("scroll up");
+                    self.fake_input.scroll_step(ScrollStep::Up)?;
+                }
+            }
+            Some(DialDir::Right) => {
+                if self.zoom {
+                    eprintln!("zoom in");
+                    self.fake_input
+                        .key_click(&[EV_KEY::KEY_LEFTCTRL, EV_KEY::KEY_EQUAL])?;
+                } else {
+                    eprintln!("scroll down");
+                    self.fake_input.scroll_step(ScrollStep::Down)?;
+                }
+            }
+        }
+        Ok(())
+    }
+}

src/controller/controls/volume.rs

@@ -24,14 +24,13 @@ impl Volume {
 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<()> {
+        eprintln!("play/pause");
+        // self.fake_input.mute()?
+        self.fake_input.key_click(&[EV_KEY::KEY_PLAYPAUSE])?;
         Ok(())
     }