update

Source/HorizontLookAndFeel.h

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+#pragma once
+
+#include <JuceHeader.h>
+
+class HorizontLookAndFeel : public juce::LookAndFeel_V4
+{
+public:
+    HorizontLookAndFeel();
+
+    void drawRotarySlider (juce::Graphics&, int x, int y, int width, int height,
+                           float sliderPos, float rotaryStartAngle, float rotaryEndAngle,
+                           juce::Slider&) override;
+
+    void drawComboBox (juce::Graphics&, int width, int height, bool isButtonDown,
+                       int buttonX, int buttonY, int buttonW, int buttonH, juce::ComboBox&) override;
+
+    void drawPopupMenuBackground (juce::Graphics&, int width, int height) override;
+
+    void drawPopupMenuItem (juce::Graphics&, const juce::Rectangle<int>& area,
+                            bool isSeparator, bool isActive, bool isHighlighted, bool isTicked,
+                            bool hasSubMenu, const juce::String& text, const juce::String& shortcutKeyText,
+                            const juce::Drawable* icon, const juce::Colour* textColour) override;
+
+    void drawTooltip (juce::Graphics&, const juce::String& text, int width, int height) override;
+};