remove ArrangerTrackApi and HasTracks

crates/tek/src/tui/app_arranger.rs

@@ -77,15 +77,14 @@ audio!(|self: ArrangerTui, client, scope|{
     // Start profiling cycle
     let t0 = self.perf.get_t0();
     // Update transport clock
-    if ClockAudio(self).process(client, scope) == Control::Quit {
+    if Control::Quit == ClockAudio(self).process(client, scope) {
         return Control::Quit
     }
     // Update MIDI sequencers
     let tracks   = &mut self.tracks;
     let note_buf = &mut self.note_buf;
     let midi_buf = &mut self.midi_buf;
-    if TracksAudio(tracks, note_buf, midi_buf, Default::default())
-        .process(client, scope) == Control::Quit {
+    if Control::Quit == TracksAudio(tracks, note_buf, midi_buf).process(client, scope) {
         return Control::Quit
     }
     // FIXME: one of these per playing track

crates/tek/src/tui/arranger_mode_v.rs

@@ -28,7 +28,7 @@ from!(<'a>|state: &'a ArrangerTui|ArrangerVHead<'a> = Self { // A
 });
 render!(<Tui>|self: ArrangerVHead<'a>|Tui::push_x(self.scenes_w, row!(
     (_, track, x1, x2) in ArrangerTrack::with_widths(self.tracks) => {
-        let (w, h) = (x2 - x1, HEADER_H);
+        let (w, h) = (ArrangerTrack::MIN_WIDTH.max(x2 - x1), HEADER_H);
         let color = track.color();
         Tui::bg(color.base.rgb, Tui::min_xy(w as u16, h, Fixed::wh(w as u16, 5, col!([
             row!(![Tui::fg(color.light.rgb, "▎"), Self::format_name(track, w)]),

crates/tek/src/tui/arranger_scene.rs

@@ -42,7 +42,7 @@ impl ArrangerScene {
     }
     /// Returns true if all phrases in the scene are
     /// currently playing on the given collection of tracks.
-    pub fn is_playing <T: ArrangerTrackApi> (&self, tracks: &[T]) -> bool {
+    pub fn is_playing (&self, tracks: &[ArrangerTrack]) -> bool {
         self.clips().iter().any(|clip|clip.is_some()) && self.clips().iter().enumerate()
             .all(|(track_index, clip)|match clip {
                 Some(clip) => tracks

crates/tek/src/tui/arranger_track.rs

@@ -1,6 +1,39 @@
 use crate::*;
 use KeyCode::{Char, Delete};
 
+impl ArrangerTui {
+    pub fn tracks (&self) -> &Vec<ArrangerTrack> {
+        &self.tracks
+    }
+    pub fn tracks_mut (&mut self) -> &mut Vec<ArrangerTrack> {
+        &mut self.tracks
+    }
+    pub fn track_next_name (&self) -> String {
+        format!("T{}", self.tracks().len() + 1)
+    }
+    pub fn track_add (&mut self, name: Option<&str>, color: Option<ItemPalette>)
+        -> Usually<&mut ArrangerTrack>
+    {
+        let name = name.map_or_else(||self.track_next_name(), |x|x.to_string());
+        let track = ArrangerTrack {
+            width:  name.len() + 2,
+            name:   Arc::new(name.into()),
+            color:  color.unwrap_or_else(||ItemPalette::random()),
+            player: PhrasePlayerModel::from(&self.clock),
+        };
+        self.tracks_mut().push(track);
+        let index = self.tracks().len() - 1;
+        Ok(&mut self.tracks_mut()[index])
+    }
+    pub fn track_del (&mut self, index: usize) {
+        self.tracks_mut().remove(index);
+        for scene in self.scenes_mut().iter_mut() {
+            scene.clips.remove(index);
+        }
+    }
+}
+
+
 #[derive(Debug)] pub struct ArrangerTrack {
     /// Name of track
     pub(crate) name:    Arc<RwLock<String>>,
@@ -35,10 +68,8 @@ impl ArrangerTrack {
             data
         })
     }
-}
-impl ArrangerTrackApi for ArrangerTrack {
     /// Name of track
-    fn name (&self) -> &Arc<RwLock<String>> {
+    pub fn name (&self) -> &Arc<RwLock<String>> {
         &self.name
     }
     /// Preferred width of track column
@@ -50,30 +81,20 @@ impl ArrangerTrackApi for ArrangerTrack {
         &mut self.width
     }
     /// Identifying color of track
-    fn color (&self) -> ItemPalette {
+    pub fn color (&self) -> ItemPalette {
         self.color
     }
+    fn longest_name (tracks: &[Self]) -> usize {
+        tracks.iter().map(|s|s.name().read().unwrap().len()).fold(0, usize::max)
     }
-
-pub trait HasTracks<T: ArrangerTrackApi>: Send + Sync {
-    fn tracks (&self) -> &Vec<T>;
-    fn tracks_mut (&mut self) -> &mut Vec<T>;
+    pub const MIN_WIDTH: usize = 6;
+    fn width_inc (&mut self) {
+        *self.width_mut() += 1;
     }
-
-impl<T: ArrangerTrackApi> HasTracks<T> for Vec<T> {
-    fn tracks (&self) -> &Vec<T> {
-        self
+    fn width_dec (&mut self) {
+        if self.width() > Self::MIN_WIDTH {
+            *self.width_mut() -= 1;
         }
-    fn tracks_mut (&mut self) -> &mut Vec<T> {
-        self
-    }
-}
-
-pub trait ArrangerTracksApi<T: ArrangerTrackApi>: HasTracks<T> {
-    fn track_add (&mut self, name: Option<&str>, color: Option<ItemPalette>)-> Usually<&mut T>;
-    fn track_del (&mut self, index: usize);
-    fn track_default_name (&self) -> String {
-        format!("T{}", self.tracks().len() + 1)
     }
 }
 
@@ -88,51 +109,22 @@ pub enum ArrangerTrackCommand {
     SetZoom(usize),
 }
 
-pub trait ArrangerTrackApi: HasPlayer + Send + Sync + Sized {
-    /// Name of track
-    fn name (&self) -> &Arc<RwLock<String>>;
-    /// Preferred width of track column
-    fn width (&self) -> usize;
-    /// Preferred width of track column
-    fn width_mut (&mut self) -> &mut usize;
-    /// Identifying color of track
-    fn color (&self) -> ItemPalette;
-
-    fn longest_name (tracks: &[Self]) -> usize {
-        tracks.iter().map(|s|s.name().read().unwrap().len()).fold(0, usize::max)
-    }
-
-    const MIN_WIDTH: usize = 6;
-
-    fn width_inc (&mut self) {
-        *self.width_mut() += 1;
-    }
-
-    fn width_dec (&mut self) {
-        if self.width() > Self::MIN_WIDTH {
-            *self.width_mut() -= 1;
-        }
-    }
-}
-
 /// Hosts the JACK callback for a collection of tracks
-pub struct TracksAudio<'a, T: ArrangerTrackApi, H: HasTracks<T>>(
+pub struct TracksAudio<'a>(
     // Track collection
-    pub &'a mut H,
+    pub &'a mut [ArrangerTrack],
     /// Note buffer
     pub &'a mut Vec<u8>,
     /// Note chunk buffer
     pub &'a mut Vec<Vec<Vec<u8>>>,
-    /// Marker
-    pub PhantomData<T>,
 );
 
-impl<'a, T: ArrangerTrackApi, H: HasTracks<T>> Audio for TracksAudio<'a, T, H> {
+impl<'a> Audio for TracksAudio<'a> {
     #[inline] fn process (&mut self, client: &Client, scope: &ProcessScope) -> Control {
         let model         = &mut self.0;
         let note_buffer   = &mut self.1;
         let output_buffer = &mut self.2;
-        for track in model.tracks_mut().iter_mut() {
+        for track in model.iter_mut() {
             if PlayerAudio(track.player_mut(), note_buffer, output_buffer).process(client, scope) == Control::Quit {
                 return Control::Quit
             }
@@ -157,34 +149,3 @@ pub fn to_arranger_track_command (input: &TuiInput, t: usize, len: usize) -> Opt
         _ => return None
     })
 }
-impl HasTracks<ArrangerTrack> for ArrangerTui {
-    fn tracks (&self) -> &Vec<ArrangerTrack> {
-        &self.tracks
-    }
-    fn tracks_mut (&mut self) -> &mut Vec<ArrangerTrack> {
-        &mut self.tracks
-    }
-}
-impl ArrangerTracksApi<ArrangerTrack> for ArrangerTui {
-    fn track_add (&mut self, name: Option<&str>, color: Option<ItemPalette>)
-        -> Usually<&mut ArrangerTrack>
-    {
-        let name = name.map_or_else(||self.track_default_name(), |x|x.to_string());
-        let track = ArrangerTrack {
-            width:  name.len() + 2,
-            name:   Arc::new(name.into()),
-            color:  color.unwrap_or_else(||ItemPalette::random()),
-            player: PhrasePlayerModel::from(&self.clock),
-        };
-        self.tracks_mut().push(track);
-        let index = self.tracks().len() - 1;
-        Ok(&mut self.tracks_mut()[index])
-    }
-    fn track_del (&mut self, index: usize) {
-        self.tracks_mut().remove(index);
-        for scene in self.scenes_mut().iter_mut() {
-            scene.clips.remove(index);
-        }
-    }
-}
-