From 683d4f8473fee2f9a168cb5428d4ac75521d5234 Mon Sep 17 00:00:00 2001
From: luna <223230@proton.me>
Date: Mon, 6 May 2024 22:25:49 +0200
Subject: [PATCH] Include more things in prelude

---
 examples/peak_graph/src/editor.rs | 111 ++++++++++++++++++++----------
 1 file changed, 76 insertions(+), 35 deletions(-)

diff --git a/examples/peak_graph/src/editor.rs b/examples/peak_graph/src/editor.rs
index 4e108d8..f171997 100644
--- a/examples/peak_graph/src/editor.rs
+++ b/examples/peak_graph/src/editor.rs
@@ -1,24 +1,44 @@
+use crate::editor::EditorEvents::SetMinAmplitude;
 use cyma::prelude::*;
+use cyma::visualizers::Meter;
 use cyma::{
     utils::PeakBuffer,
     visualizers::{Graph, Grid, UnitRuler},
 };
 use nih_plug::editor::Editor;
+use nih_plug_vizia::vizia::style::Length::Value;
 use nih_plug_vizia::{assets, create_vizia_editor, vizia::prelude::*, ViziaState, ViziaTheming};
+use std::ops::Range;
 use std::sync::{Arc, Mutex};
 
 #[derive(Lens, Clone)]
 pub(crate) struct Data {
     peak_buffer: Arc<Mutex<PeakBuffer>>,
+    range: (f32, f32),
 }
 
 impl Data {
     pub(crate) fn new(peak_buffer: Arc<Mutex<PeakBuffer>>) -> Self {
-        Self { peak_buffer }
+        Self {
+            peak_buffer,
+            range: (-32., 8.),
+        }
     }
 }
 
-impl Model for Data {}
+impl Model for Data {
+    fn event(&mut self, cx: &mut EventContext, event: &mut Event) {
+        event.map(|event, _| match event {
+            EditorEvents::SetMinAmplitude(min) => {
+                self.range.0 = *min;
+            }
+        })
+    }
+}
+
+enum EditorEvents {
+    SetMinAmplitude(f32),
+}
 
 pub(crate) fn default_state() -> Arc<ViziaState> {
     ViziaState::new(|| (800, 500))
@@ -28,44 +48,65 @@ pub(crate) fn create(editor_data: Data, editor_state: Arc<ViziaState>) -> Option
     create_vizia_editor(editor_state, ViziaTheming::default(), move |cx, _| {
         assets::register_noto_sans_light(cx);
         editor_data.clone().build(cx);
+        VStack::new(cx, |cx| {
+            HStack::new(cx, |cx| {
+                ZStack::new(cx, |cx| {
+                    Grid::new(
+                        cx,
+                        ValueScaling::Linear,
+                        Data::range,
+                        vec![6.0, 0.0, -6.0, -12.0, -18.0, -24.0, -30.0],
+                        Orientation::Horizontal,
+                    )
+                    .color(Color::rgb(60, 60, 60));
+                    Graph::new(cx, Data::peak_buffer, Data::range, ValueScaling::Decibels)
+                        .color(Color::rgba(255, 255, 255, 160))
+                        .background_color(Color::rgba(255, 255, 255, 60));
+                })
+                .background_color(Color::rgb(16, 16, 16));
 
-        HStack::new(cx, |cx| {
-            ZStack::new(cx, |cx| {
-                Grid::new(
+                Binding::new(cx, Data::range, |cx, range| {
+                    UnitRuler::new(
+                        cx,
+                        range.get(cx),
+                        ValueScaling::Linear,
+                        vec![
+                            (6.0, "6db"),
+                            (0.0, "0db"),
+                            (-6.0, "-6db"),
+                            (-12.0, "-12db"),
+                            (-18.0, "-18db"),
+                            (-24.0, "-24db"),
+                            (-30.0, "-30db"),
+                        ],
+                        Orientation::Vertical,
+                    )
+                    .font_size(12.)
+                    .color(Color::rgb(160, 160, 160))
+                    .width(Pixels(48.));
+                });
+                Meter::new(
                     cx,
-                    ValueScaling::Linear,
-                    (-32., 8.),
-                    vec![6.0, 0.0, -6.0, -12.0, -18.0, -24.0, -30.0],
-                    Orientation::Horizontal,
+                    Data::peak_buffer,
+                    Data::range,
+                    ValueScaling::Decibels,
+                    Orientation::Vertical,
                 )
-                .color(Color::rgb(60, 60, 60));
-
-                Graph::new(cx, Data::peak_buffer, (-32.0, 8.0), ValueScaling::Decibels)
-                    .color(Color::rgba(255, 255, 255, 160))
-                    .background_color(Color::rgba(255, 255, 255, 60));
+                .width(Pixels(24.0))
+                .background_color(Color::rgb(60, 60, 60))
+                .fill_from_max();
             })
-            .background_color(Color::rgb(16, 16, 16));
-
-            UnitRuler::new(
-                cx,
-                (-32.0, 8.0),
-                ValueScaling::Linear,
-                vec![
-                    (6.0, "6db"),
-                    (0.0, "0db"),
-                    (-6.0, "-6db"),
-                    (-12.0, "-12db"),
-                    (-18.0, "-18db"),
-                    (-24.0, "-24db"),
-                    (-30.0, "-30db"),
-                ],
-                Orientation::Vertical,
-            )
-            .font_size(12.)
-            .color(Color::rgb(160, 160, 160))
-            .width(Pixels(48.));
+            .col_between(Pixels(8.));
+            Slider::new(cx, Data::range.map(|r| r.0))
+                .range(Range {
+                    start: -72.0,
+                    end: -6.0,
+                })
+                .on_changing(|cx, val| {
+                    cx.emit(SetMinAmplitude(val));
+                })
+                .space(Pixels(16.));
         })
-        .col_between(Pixels(8.))
         .background_color(Color::rgb(0, 0, 0));
     })
 }