highlight recorded sample

crates/tek/src/groovebox.rs

@@ -61,7 +61,6 @@ render!(<Tui>|self:GrooveboxTui|{
     let phrase_w  = if w > 60 { 20 } else if w > 40 { 15 } else { 10 };
     let pool_w    = if self.pool.visible { phrase_w } else { 0 };
     let sampler_w = 11;
-    let note_pt   = self.editor.note_point();
     Fill::wh(lay!([
         &self.size,
         Fill::wh(Align::s(Fixed::h(2, GrooveboxStatus::from(self)))),
@@ -82,18 +81,8 @@ render!(<Tui>|self:GrooveboxTui|{
                     Tui::split_w(false, pool_w,
                         Tui::pull_y(1, Fill::h(Align::e(PoolView(&self.pool)))),
                         Tui::split_e(false, sampler_w, Fill::wh(col!([
-                            &format!("L/{:>+9.3}", self.sampler.input_meter[0]),
-                            &format!("R/{:>+9.3}", self.sampler.input_meter[1]),
-                            Fill::wh(col!(note in (self.editor.note_lo().load(Relaxed)..=self.editor.note_hi()).rev() => {
-                                Tui::bg(
-                                    if note == note_pt { TuiTheme::g(64) } else { Color::Reset },
-                                    if let Some(sample) = &self.sampler.mapped[note] {
-                                        todo!()
-                                    } else {
-                                        Tui::fg(TuiTheme::g(160), format!("{note:3} (none)"))
-                                    }
-                                )
-                            })),
+                            Meters(self.sampler.input_meter.as_ref()),
+                            GrooveboxSamples(self),
                         ])), Fill::h(&self.editor))
                     )
                 ),
@@ -102,6 +91,34 @@ render!(<Tui>|self:GrooveboxTui|{
     ]))
 });
 
+struct Meters<'a>(&'a[f32]);
+render!(<Tui>|self: Meters<'a>|col!([
+    &format!("L/{:>+9.3}", self.0[0]),
+    &format!("R/{:>+9.3}", self.0[1]),
+]));
+
+struct GrooveboxSamples<'a>(&'a GrooveboxTui);
+render!(<Tui>|self: GrooveboxSamples<'a>|{
+    let note_lo = self.0.editor.note_lo().load(Relaxed);
+    let note_pt = self.0.editor.note_point();
+    let note_hi = self.0.editor.note_hi();
+    Fill::wh(col!(note in (note_lo..=note_hi).rev() => {
+        let mut bg = if note == note_pt { TuiTheme::g(64) } else { Color::Reset };
+        let mut fg = TuiTheme::g(160);
+        if let Some((index, _)) = self.0.sampler.recording {
+            if note == index {
+                bg = Color::Rgb(64,16,0);
+                fg = Color::Rgb(224,64,32)
+            }
+        }
+        Tui::bg(bg, if let Some(sample) = &self.0.sampler.mapped[note] {
+            todo!()
+        } else {
+            Tui::fg(fg, format!("{note:3} (none) "))
+        })
+    }))
+});
+
 pub enum GrooveboxCommand {
     History(isize),
     Clock(ClockCommand),
@@ -137,7 +154,7 @@ input_to_command!(GrooveboxCommand: <Tui>|state: GrooveboxTui, input|match input
     key_pat!(Char('0'))       => Enqueue(Some(state.pool.phrases()[0].clone())),
 
     key_pat!(Shift-Char('R')) => Sampler(
-        SamplerCommand::Record(u7::from(state.editor.note_point() as u8))
+        SamplerCommand::RecordBegin(u7::from(state.editor.note_point() as u8))
     ),
 
     // e: Toggle between editing currently playing or other phrase

crates/tek/src/sampler.rs

@@ -39,6 +39,7 @@ pub struct Sampler {
     pub jack:        Arc<RwLock<JackClient>>,
     pub name:        String,
     pub mapped:      [Option<Arc<RwLock<Sample>>>;128],
+    pub recording:   Option<(usize, Sample)>,
     pub unmapped:    Vec<Arc<RwLock<Sample>>>,
     pub voices:      Arc<RwLock<Vec<Voice>>>,
     pub midi_in:     Port<MidiIn>,
@@ -68,8 +69,38 @@ impl Sampler {
             voices:      Arc::new(RwLock::new(vec![])),
             buffer:      vec![vec![0.0;16384];2],
             output_gain: 0.5,
+            recording:   None,
         })
     }
+    pub fn cancel_recording (&mut self) {
+        self.recording = None;
+    }
+    pub fn begin_recording (&mut self, index: usize) {
+        self.recording = Some(
+            (index, Sample::new("(new)", 0, 0, vec![vec![];self.audio_ins.len()]))
+        );
+    }
+    pub fn finish_recording (&mut self) -> Option<Arc<RwLock<Sample>>> {
+        let recording = self.recording.take();
+        if let Some((index, sample)) = recording {
+            let old = self.mapped[index].clone();
+            self.mapped[index] = Some(Arc::new(RwLock::new(sample)));
+            old
+        } else {
+            None
+        }
+    }
+    pub fn record_chunk (&mut self, chunks: &[&[f32]]) {
+        if let Some((_, sample)) = &mut self.recording {
+            if chunks.len() != sample.channels.len() {
+                panic!()
+            }
+            for (chunk, channel) in chunks.iter().zip(sample.channels.iter_mut()) {
+                channel.extend_from_slice(chunk)
+            }
+            sample.end += chunks[0].len();
+        }
+    }
 }
 pub struct SamplerTui {
     pub state:   Sampler,

crates/tek/src/sampler/sampler_control.rs

@@ -11,7 +11,9 @@ pub enum SamplerTuiCommand {
 }
 
 pub enum SamplerCommand {
-    Record(u7),
+    RecordBegin(u7),
+    RecordCancel,
+    RecordFinish,
     SetSample(u7, Option<Arc<RwLock<Sample>>>),
     SetGain(f32),
     NoteOn(u7, u7),
@@ -78,10 +80,17 @@ command!(|self: SamplerCommand, state: Sampler|match self {
         state.mapped[i] = sample;
         Some(Self::SetSample(index, old))
     },
-    Self::Record(index) => {
-        let i = index.as_int() as usize;
-        let old = state.mapped[i].clone();
-        Some(Self::SetSample(index, old))
+    Self::RecordBegin(index) => {
+        state.begin_recording(index.as_int() as usize);
+        None
+    },
+    Self::RecordCancel => {
+        state.cancel_recording();
+        None
+    },
+    Self::RecordFinish => {
+        state.finish_recording();
+        None
     },
     _ => todo!()
 });