lanes and grids

src/device/mixer.rs

@@ -41,7 +41,15 @@ impl Mixer {
     }
 }
 
-pub fn render (state: &Mixer, buf: &mut Buffer, area: Rect) {
+pub fn render (state: &Mixer, buf: &mut Buffer, mut area: Rect)
+    -> Usually<(u16, u16)>
+{
+    if area.height < 2 {
+        return Ok((0, 0))
+    }
+    area.x = area.width.saturating_sub(80) / 2;
+    area.width  = area.width.min(80);
+    area.height = state.tracks.len() as u16 + 2;
     draw_box(buf, area);
     let x = area.x + 1;
     let y = area.y + 1;
@@ -52,7 +60,7 @@ pub fn render (state: &Mixer, buf: &mut Buffer, area: Rect) {
             //&track.name, Style::default().bold().not_dim()
         //);
         for (j, (column, field)) in [
-            (0,  format!(" {:7} ",    track.name)),
+            (0,  format!(" {:10} ",    track.name)),
             (12, format!(" {:.1}dB ", track.gain)),
             (22, format!(" [ ] ")),
             (30, format!("  C  ")),
@@ -94,6 +102,7 @@ pub fn render (state: &Mixer, buf: &mut Buffer, area: Rect) {
             //}
         }
     }
+    Ok((20,10))
 }
 
 pub fn handle (state: &mut Mixer, event: &EngineEvent) -> Result<(), Box<dyn Error>> {