transport toolbar docs and cleanup

crates/tek_sequencer/src/transport.rs

@@ -11,19 +11,36 @@ pub struct TransportToolbar<E: Engine> {
     pub jack:      Option<JackClient>,
     /// JACK transport handle.
     pub transport: Option<Transport>,
-    /// Quantization factor
     /// Global frame and usec at which playback started
     pub started:   Option<(usize, usize)>,
+    /// Whether the toolbar is focused
     pub focused:   bool,
+    /// Which part of the toolbar is focused
     pub focus:     TransportToolbarFocus,
+    /// Playback state
     pub playing:   Option<TransportState>,
+    /// Current tempo
     pub bpm:       f64,
+    /// Quantization factor
     pub quant:     usize,
+    /// Launch sync
     pub sync:      usize,
+    /// Current time in frames
     pub frame:     usize,
+    /// Current time in pulses
     pub pulse:     usize,
-    pub ppq:       usize,
+    /// Current time in microseconds
     pub usecs:     usize,
+    /// Pulses per quarter note
+    pub ppq:       usize,
+}
+#[derive(Clone, Copy, PartialEq)]
+pub enum TransportToolbarFocus {
+    Bpm,
+    Sync,
+    PlayPause,
+    Clock,
+    Quant,
 }
 
 impl<E: Engine> TransportToolbar<E> {
@@ -112,17 +129,6 @@ impl<E: Engine> TransportToolbar<E> {
     }
 }
 
-impl<E: Engine> Audio for TransportToolbar<E> {
-    fn process (&mut self, _: &Client, scope: &ProcessScope) -> Control {
-        self.update(&scope);
-        Control::Continue
-    }
-}
-
-///////////////////////////////////////////////////////////////////////////////////////////////////
-
-#[derive(Clone, Copy, PartialEq)]
-pub enum TransportToolbarFocus { PlayPause, Bpm, Quant, Sync, Clock, }
 impl TransportToolbarFocus {
     pub fn next (&mut self) {
         *self = match self {

crates/tek_sequencer/src/transport_snd.rs

@@ -0,0 +1,7 @@
+use crate::*;
+impl<E: Engine> Audio for TransportToolbar<E> {
+    fn process (&mut self, _: &Client, scope: &ProcessScope) -> Control {
+        self.update(&scope);
+        Control::Continue
+    }
+}