envelope ui

2025-10-04 15:54:38 -05:00
parent b8bcba2585
commit 39034b3317
4 changed files with 78 additions and 3 deletions
@@ -0,0 +1,54 @@
+use std::ops::RangeInclusive;
+use eframe::egui;
+use eframe::egui::{Context, Id, Label, Slider, Window};
+use serde::{Deserialize, Serialize};
+use crate::gui::Showable;
+
+#[derive(Copy, Clone, PartialEq, Debug, Deserialize, Serialize)]
+pub struct Envelope {
+    pub attack: f32,
+    pub decay: f32,
+    pub sustain: f32,
+    pub release: f32
+}
+
+impl Default for Envelope {
+    fn default() -> Self {
+        Self {
+            attack: 0.0,
+            decay: 0.0,
+            sustain: 1.0,
+            release: 0.0,
+        }
+    }
+}
+
+impl Showable<(Id, String)> for (&mut Envelope, &mut bool) {
+    fn show(&mut self, ctx: &Context, (id, title): &(Id, String)) {
+        let mut open = true;
+        let window = Window::new(title)
+            .id(*id)
+            .open(&mut open)
+            .resizable([false, false])
+            .scroll([false, false]);
+
+        window.show(ctx, |ui| {
+            egui::Grid::new(id).show(ui, |ui| {
+                ui.add(Label::new("Attack"));
+                ui.add(Slider::new(&mut self.0.attack, RangeInclusive::new(0.0, 1.0)));
+                ui.end_row();
+                ui.add(Label::new("Decay"));
+                ui.add(Slider::new(&mut self.0.decay, RangeInclusive::new(0.0, 1.0)));
+                ui.end_row();
+                ui.add(Label::new("Sustain"));
+                ui.add(Slider::new(&mut self.0.sustain, RangeInclusive::new(0.0, 1.0)));
+                ui.end_row();
+                ui.add(Label::new("Release"));
+                ui.add(Slider::new(&mut self.0.release, RangeInclusive::new(0.0, 1.0)));
+                ui.end_row();
+            });
+        });
+
+        *self.1 = open;
+    }
+}