flatten modules a little more

crates/tek/src/status/status_sequencer.rs

@@ -0,0 +1,52 @@
+use crate::*;
+
+/// Status bar for sequencer app
+#[derive(Clone)]
+pub struct SequencerStatus {
+    pub(crate) width:   usize,
+    pub(crate) cpu:     Option<String>,
+    pub(crate) size:    String,
+    pub(crate) res:     String,
+    pub(crate) playing: bool,
+}
+from!(|state:&SequencerTui|SequencerStatus = {
+    let samples = state.clock.chunk.load(Relaxed);
+    let rate    = state.clock.timebase.sr.get();
+    let buffer  = samples as f64 / rate;
+    let width   = state.size.w();
+    Self {
+        width,
+        playing: state.clock.is_rolling(),
+        cpu:  state.perf.percentage().map(|cpu|format!("│{cpu:.01}%")),
+        size: format!("{}x{}│", width, state.size.h()),
+        res:  format!("│{}s│{:.1}kHz│{:.1}ms│", samples, rate / 1000., buffer * 1000.),
+    }
+});
+render!(<Tui>|self: SequencerStatus|Fixed::h(2, lay!([
+    Self::help(),
+    Fill::wh(Align::se(Tui::fg_bg(TuiTheme::orange(), TuiTheme::g(25), self.stats()))),
+])));
+impl SequencerStatus {
+    fn help () -> impl Render<Tui> {
+        let single = |binding, command|row!([" ", col!([
+            Tui::fg(TuiTheme::yellow(), binding),
+            command
+        ])]);
+        let double = |(b1, c1), (b2, c2)|col!([
+            row!(["  ", Tui::fg(TuiTheme::yellow(), b1), " ", c1,]),
+            row!(["  ", Tui::fg(TuiTheme::yellow(), b2), " ", c2,]),
+        ]);
+        Tui::fg_bg(TuiTheme::g(255), TuiTheme::g(50), row!([
+            single("SPACE", "play/pause"),
+            double(("▲▼▶◀", "cursor"),  ("Ctrl", "scroll"),  ),
+            double(("a",    "append"),  ("s",    "set note"),),
+            double((",.",   "length"),  ("<>",   "triplet"), ),
+            double(("[]",   "phrase"),  ("{}",   "order"),   ),
+            double(("q",    "enqueue"), ("e",    "edit"),    ),
+            double(("c",    "color"),   ("",     ""),),
+        ]))
+    }
+    fn stats (&self) -> impl Render<Tui> + use<'_> {
+        row!([&self.cpu, &self.res, &self.size])
+    }
+}