wip: refactor pt.10, 165 errors

crates/tek_api/src/arrange.rs

@@ -117,4 +117,37 @@ impl ArrangementScene {
             //clips,
         //})
     //}
+    pub fn ppqs (scenes: &[Self], factor: usize) -> Vec<(usize, usize)> {
+        let mut total = 0;
+        if factor == 0 {
+            scenes.iter().map(|scene|{
+                let pulses = scene.pulses().max(PPQ);
+                total = total + pulses;
+                (pulses, total - pulses)
+            }).collect()
+        } else {
+            (0..=scenes.len()).map(|i|{
+                (factor*PPQ, factor*PPQ*i)
+            }).collect()
+        }
+    }
+    pub fn longest_name (scenes: &[Self]) -> usize {
+        scenes.iter().map(|s|s.name.read().unwrap().len()).fold(0, usize::max)
+    }
+}
+
+impl ArrangementTrack {
+    pub fn longest_name (tracks: &[Self]) -> usize {
+        tracks.iter().map(|s|s.name.read().unwrap().len()).fold(0, usize::max)
+    }
+
+    pub const MIN_WIDTH: usize = 3;
+    pub fn width_inc (&mut self) {
+        self.width += 1;
+    }
+    pub fn width_dec (&mut self) {
+        if self.width > Self::MIN_WIDTH {
+            self.width -= 1;
+        }
+    }
 }