modify pool width; wip: status bars

crates/tek_sequencer/src/sequencer.rs

@@ -18,7 +18,20 @@ pub struct Sequencer<E: Engine> {
 }
 /// Sections in the sequencer app that may be focused
 #[derive(Copy, Clone, PartialEq, Eq)]
-pub enum SequencerFocus { Transport, PhrasePool, PhraseEditor }
+pub enum SequencerFocus {
+    /// The transport (toolbar) is focused
+    Transport,
+    /// The phrase list (pool) is focused
+    PhrasePool,
+    /// The phrase editor (sequencer) is focused
+    PhraseEditor,
+}
+/// Status bar for sequencer app
+pub enum SequencerStatusBar {
+    Transport,
+    PhrasePool,
+    PhraseEditor,
+}
 /// Contains all phrases in a project
 pub struct PhrasePool<E: Engine> {
     _engine:     PhantomData<E>,
@@ -35,7 +48,9 @@ pub struct PhrasePool<E: Engine> {
 }
 /// Modes for phrase pool
 pub enum PhrasePoolMode {
+    /// Renaming a pattern
     Rename(usize, String),
+    /// Editing the length of a pattern
     Length(usize, usize, PhraseLengthFocus),
 }
 /// A MIDI sequence.
@@ -328,12 +343,17 @@ impl<E: Engine> PhrasePlayer<E> {
         self.overdub = !self.overdub;
     }
 }
+/// Displays and edits phrase length
 pub struct PhraseLength<E: Engine> {
     _engine: PhantomData<E>,
-    pub ppq: usize,
-    pub bpb: usize,
+    /// Pulses per beat (quaver)
+    pub ppq:    usize,
+    /// Beats per bar
+    pub bpb:    usize,
+    /// Length of phrase in pulses
     pub pulses: usize,
-    pub focus: Option<PhraseLengthFocus>,
+    /// Selected subdivision
+    pub focus:  Option<PhraseLengthFocus>,
 }
 impl<E: Engine> PhraseLength<E> {
     pub fn new (pulses: usize, focus: Option<PhraseLengthFocus>) -> Self {
@@ -365,7 +385,14 @@ impl<E: Engine> PhraseLength<E> {
     }
 }
 #[derive(Copy,Clone)]
-pub enum PhraseLengthFocus { Bar, Beat, Tick }
+pub enum PhraseLengthFocus {
+    /// Editing the number of bars
+    Bar,
+    /// Editing the number of beats
+    Beat,
+    /// Editing the number of ticks
+    Tick,
+}
 impl PhraseLengthFocus {
     pub fn next (&mut self) {
         *self = match self {