final refactors

kiln-tui/src/scroll_overlay.rs

@@ -15,6 +15,9 @@ use ratatui::widgets::{
     Widget, Wrap,
 };
 
+/// Duration of the open and close animations, in seconds.
+const ANIM_SECS: f32 = 0.25;
+
 /// Animation state for the scroll overlay window.
 #[derive(Default)]
 pub enum ScrollAnimState {
@@ -54,11 +57,11 @@ impl ScrollOverlayState {
     pub fn advance_anim(&mut self, dt: f32) {
         match &mut self.anim {
             Some(ScrollAnimState::Opening(p)) => {
-                *p += dt / 0.5;
+                *p += dt / ANIM_SECS;
                 if *p >= 1.0 { self.anim = Some(ScrollAnimState::Open); }
             }
             Some(ScrollAnimState::Closing(p)) => {
-                *p -= dt / 0.5;
+                *p -= dt / ANIM_SECS;
                 if *p <= 0.0 { self.anim = Some(ScrollAnimState::Done); }
             }
             _ => {}