update

Source/Knob.h

@@ -0,0 +1,31 @@
+#pragma once
+
+#include <JuceHeader.h>
+
+class Knob : public juce::Component
+{
+public:
+    Knob (const juce::String& title,
+          juce::AudioProcessorValueTreeState& apvts,
+          const juce::String& paramID,
+          float defaultValue,
+          std::function<juce::String (float)> format,
+          const juce::String& tooltip);
+
+    void paint (juce::Graphics&) override;
+    void resized() override;
+    void setScaleFactor (float scale);
+
+private:
+    void updateValueLabel();
+
+    std::function<juce::String (float)> format;
+    juce::Label nameLabel;
+    juce::Label valueLabel;
+    juce::Slider slider;
+    std::unique_ptr<juce::AudioProcessorValueTreeState::SliderAttachment> attachment;
+
+    float scaleFactor = 1.0f;
+
+    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (Knob)
+};