down to 3 errors

crates/app/src/api.rs

@@ -47,13 +47,27 @@ handle!(TuiIn: |self: App, input|Ok(if let Some(command) = self.config.keys.comm
         Ok(None)
     }
     fn select (app: &mut App, selection: Selection) -> Perhaps<Self> {
-        app.select(selection);
+        app.arranger.select(selection);
+        if let Some(ref mut editor) = app.editor {
+            editor.set_clip(match app.arranger.selected {
+                Some(Selection::TrackClip { track, scene })
+                if let Some(Some(Some(clip))) = app
+                    .arranger
+                    .scenes.get(scene)
+                    .map(|s|s.clips.get(track))
+                =>
+                    Some(clip),
+                _ =>
+                    None
+            });
+        }
         Ok(None)
         //("select"  [t: usize, s: usize] Some(match (t.expect("no track"), s.expect("no scene")) {
             //(0, 0) => Self::Select(Selection::Mix),
             //(t, 0) => Self::Select(Selection::Track(t)),
             //(0, s) => Self::Select(Selection::Scene(s)),
             //(t, s) => Self::Select(Selection::TrackClip { track: t, scene: s }) })))
+        // autoedit: load focused clip in editor.
     }
     fn stop_all (app: &mut App) -> Perhaps<Self> {
         app.stop_all();

crates/device/src/arranger/arranger_api.rs

@@ -14,16 +14,6 @@ impl ArrangementCommand {
     /// Set the selection
     fn select (arranger: &mut Arrangement, s: Option<Selection>) -> Perhaps<Self> {
         arranger.selected = s;
-        // autoedit: load focused clip in editor.
-        if let Some(ref mut editor) = arranger.editor {
-            editor.set_clip(match arranger.selected {
-                Some(Selection::TrackClip { track, scene })
-                if let Some(Some(Some(clip))) = arranger
-                    .scenes.get(scene)
-                    .map(|s|s.clips.get(track)) => Some(clip),
-                _ => None
-            });
-        }
         Ok(None)
     }
     /// Launch a clip or scene

crates/device/src/arranger/arranger_clip.rs

@@ -33,38 +33,4 @@ impl ClipCommand {
 
 impl Arrangement {
 
-    /// Put a clip in a slot
-    pub(crate) fn clip_put (
-        &mut self, track: usize, scene: usize, clip: Option<Arc<RwLock<MidiClip>>>
-    ) -> Option<Arc<RwLock<MidiClip>>> {
-        let old = self.scenes[scene].clips[track].clone();
-        self.scenes[scene].clips[track] = clip;
-        old
-    }
-
-    /// Change the color of a clip, returning the previous one
-    pub(crate) fn clip_set_color (
-        &self, track: usize, scene: usize, color: ItemTheme
-    ) -> Option<ItemTheme> {
-        self.scenes[scene].clips[track].as_ref().map(|clip|{
-            let mut clip = clip.write().unwrap();
-            let old = clip.color.clone();
-            clip.color = color.clone();
-            panic!("{color:?} {old:?}");
-            old
-        })
-    }
-
-    /// Get the active clip
-    pub(crate) fn clip (&self) -> Option<Arc<RwLock<MidiClip>>> {
-        self.scene()?.clips.get(self.selected.track()?)?.clone()
-    }
-
-    /// Toggle looping for the active clip
-    pub(crate) fn toggle_loop (&mut self) {
-        if let Some(clip) = self.clip() {
-            clip.write().unwrap().toggle_loop()
-        }
-    }
-
 }

crates/device/src/arranger/arranger_model.rs

@@ -119,16 +119,66 @@ impl Arrangement {
         2
         //1 + self.devices_with_sizes().last().map(|(_, _, _, _, y)|y as u16).unwrap_or(0)
     }
+    /// Get the active track
+    fn get_track (&self) -> Option<&Track> {
+        let index = self.selection()?.track()?;
+        Has::<Vec<Track>>::get(self).get(index)
+    }
+    /// Get a mutable reference to the active track
+    fn get_track_mut (&mut self) -> Option<&mut Track> {
+        let index = self.selection()?.track()?;
+        Has::<Vec<Track>>::get_mut(self).get_mut(index)
+    }
+    /// Get the active scene
+    fn get_scene (&self) -> Option<&Scene> {
+        let index = self.selection()?.scene()?;
+        Has::<Vec<Scene>>::get(self).get(index)
+    }
+    /// Get a mutable reference to the active scene
+    fn get_scene_mut (&mut self) -> Option<&mut Scene> {
+        let index = self.selection()?.scene()?;
+        Has::<Vec<Scene>>::get_mut(self).get_mut(index)
+    }
+    /// Get the active clip
+    fn get_clip (&self) -> Option<Arc<RwLock<MidiClip>>> {
+        self.get_scene()?.clips.get(self.selection()?.track()?)?.clone()
+    }
+    /// Put a clip in a slot
+    pub(crate) fn clip_put (
+        &mut self, track: usize, scene: usize, clip: Option<Arc<RwLock<MidiClip>>>
+    ) -> Option<Arc<RwLock<MidiClip>>> {
+        let old = self.scenes[scene].clips[track].clone();
+        self.scenes[scene].clips[track] = clip;
+        old
+    }
+    /// Change the color of a clip, returning the previous one
+    pub(crate) fn clip_set_color (&self, track: usize, scene: usize, color: ItemTheme)
+        -> Option<ItemTheme>
+    {
+        self.scenes[scene].clips[track].as_ref().map(|clip|{
+            let mut clip = clip.write().unwrap();
+            let old = clip.color.clone();
+            clip.color = color.clone();
+            panic!("{color:?} {old:?}");
+            old
+        })
+    }
+    /// Toggle looping for the active clip
+    pub(crate) fn toggle_loop (&mut self) {
+        if let Some(clip) = self.get_clip() {
+            clip.write().unwrap().toggle_loop()
+        }
+    }
 }
 
 #[cfg(feature = "sampler")]
 impl Arrangement {
     /// Get the first sampler of the active track
     pub fn sampler (&self) -> Option<&Sampler> {
-        self.track().map(|t|t.sampler(0)).flatten()
+        self.get_track()?.sampler(0)
     }
     /// Get the first sampler of the active track
     pub fn sampler_mut (&mut self) -> Option<&mut Sampler> {
-        self.track_mut().map(|t|t.sampler_mut(0)).flatten()
+        self.get_track_mut()?.sampler_mut(0)
     }
 }

crates/device/src/arranger/arranger_select.rs

@@ -1,40 +1,17 @@
 use crate::*;
 
-impl<T: Has<Selection>> HasSelection for T {}
+impl<T: Has<Option<Selection>>> HasSelection for T {}
 
-pub trait HasSelection: Has<Selection> {
+pub trait HasSelection: Has<Option<Selection>> {
-    fn selection (&self) -> &Selection {
+    fn selection (&self) -> Option<&Selection> {
-        self.get()
+        self.get().as_ref()
     }
-    fn selection_mut (&mut self) -> &mut Selection {
+    fn selection_mut (&mut self) -> &mut Option<Selection> {
         self.get_mut()
     }
 }
 
-impl Has<Option<Track>> for Arrangement {
+impl Arrangement {
-    fn get (&self) -> &Option<Track> {
-        let selection: Selection = Has::<Option<Track>>::get(self)?;
-        let index: Option<usize> = selection.track()?;
-        let track: Track = Has::<Vec<Track>>::get(self).get(index)?;
-    }
-    fn get_mut (&mut self) -> &mut Option<Track> {
-        Has::<Option<Selection>>::get(self)
-            .and_then(|selection|selection.track())
-            .and_then(|index|Has::<Vec<Track>>::get_mut(self).get_mut(index))
-    }
-}
-
-impl Has<Option<Scene>> for Arrangement {
-    fn get (&self) -> &Option<Scene> {
-        Has::<Option<Selection>>::get(self)
-            .and_then(|selection|selection.track())
-            .and_then(|index|Has::<Vec<Scene>>::get(self).get(index))
-    }
-    fn get_mut (&mut self) -> &mut Option<Scene> {
-        Has::<Option<Selection>>::get(self)
-            .and_then(|selection|selection.track())
-            .and_then(|index|Has::<Vec<Scene>>::get_mut(self).get_mut(index).as_deref())
-    }
 }
 
 /// Represents the current user selection in the arranger

crates/device/src/arranger/arranger_tracks.rs

@@ -81,11 +81,9 @@ impl<'a> ArrangerView<'a> {
     }
 }
 
-impl<T: HasTracks + HasScenes + HasClock + HasJack> AddTrack for T {}
+impl Arrangement {
-
-pub trait AddTrack: HasTracks + HasScenes + HasClock + HasJack {
     /// Add multiple tracks
-    fn tracks_add (
+    pub fn tracks_add (
         &mut self,
         count: usize,
         width: Option<usize>,
@@ -106,7 +104,7 @@ pub trait AddTrack: HasTracks + HasScenes + HasClock + HasJack {
     }
 
     /// Add a track
-    fn track_add (
+    pub fn track_add (
         &mut self,
         name:  Option<&str>,
         color: Option<ItemTheme>,

crates/engine/src/lib.rs

@@ -37,6 +37,14 @@ impl<T, U: Has<Option<T>>> MaybeHas<T> for U {
     };
 }
 
+#[macro_export] macro_rules! as_ref {
+    ($T:ty: |$self:ident : $S:ty| $x:expr) => {
+        impl AsRef<$T> for $S {
+            fn as_ref (&$self) -> &$T { &$x }
+        }
+    };
+}
+
 pub trait HasN<T>: Send + Sync {
     fn get_nth     (&self,     key: usize) -> &T;
     fn get_nth_mut (&mut self, key: usize) -> &mut T;