wip: refactor pt.36 (10e) fewer structs, more field duplication

crates/tek_tui/src/tui_transport.rs

@@ -129,8 +129,16 @@ impl Command<TransportApp<Tui>> for TransportCommand {
 pub struct TransportView<E: Engine> {
     _engine:   PhantomData<E>,
     jack:      Arc<RwLock<JackClient>>,
-    /// Current sample rate, tempo, and PPQ.
-    clock:     Arc<Clock>,
+    /// Playback state
+    playing:   RwLock<Option<TransportState>>,
+    /// Global sample and usec at which playback started
+    started:   RwLock<Option<(usize, usize)>>,
+    /// Current moment in time
+    current:   Instant,
+    /// Note quantization factor
+    quant:     Quantize,
+    /// Launch quantization factor
+    sync:      LaunchSync,
     /// JACK transport handle.
     transport: jack::Transport,
     /// Enable metronome?