trommelkiste/Source/PluginEditor.h

#pragma once
#include "PluginProcessor.h"
#include <juce_gui_basics/juce_gui_basics.h>

class TrommelkisteLookAndFeel : public juce::LookAndFeel_V4
{
public:
    juce::Colour bg{0xFF1A1A1A};
    juce::Colour rowAlt{0xFF222222};
    juce::Colour accent{0xFFE8600A};
    float fontScale = 1.5f;

    void drawRotarySlider(juce::Graphics&, int x, int y, int w, int h,
                          float pos, float start, float end, juce::Slider&) override;
    void drawButtonBackground(juce::Graphics&, juce::Button&, const juce::Colour&,
                              bool, bool) override;
    void drawComboBox(juce::Graphics&, int w, int h, bool down,
                      int bx, int by, int bw, int bh, juce::ComboBox&) override;
    void positionComboBoxText(juce::ComboBox&, juce::Label&) override;
};

struct KnobSlider : juce::Slider
{
    std::function<juce::String(double)> formatFn;
    juce::String getTextFromValue(double v) override
    {
        if (formatFn) return formatFn(v);
        return Slider::getTextFromValue(v);
    }
};

class TrommelkisteEditor : public juce::AudioProcessorEditor, private juce::Timer
{
public:
    TrommelkisteEditor(TrommelkisteProcessor&);
    ~TrommelkisteEditor() override;

    void paint(juce::Graphics&) override;
    void resized() override;
    void mouseDown(const juce::MouseEvent&) override;
    void timerCallback() override { repaint(); }

private:
    TrommelkisteProcessor& proc;
    TrommelkisteLookAndFeel lnf;

    juce::ComboBox scaleCombo;
    float uiScale = 1.5f;

    int scaled(int v) const { return (int)(v * uiScale + 0.5f); }
    void scaleChanged();

    struct TrackUI
    {
        using SliderAtt = juce::AudioProcessorValueTreeState::SliderAttachment;
        using ComboAtt  = juce::AudioProcessorValueTreeState::ComboBoxAttachment;

        juce::TextButton prevBtn{"<"};
        juce::TextButton nextBtn{">"};
        KnobSlider level, length, velocity, pitch, tone, pan;
        juce::ComboBox decay;
        juce::Label fileLabel;

        std::unique_ptr<SliderAtt> levelAtt, lengthAtt, velAtt, pitchAtt, toneAtt, panAtt;
        std::unique_ptr<ComboAtt>  decayAtt;
    };

    TrackUI ui[NUM_TRACKS];
    juce::FileChooser chooser{"Load Sample", juce::File{}, "*.wav;*.aif;*.aiff;*.flac"};

    // Preset selector
    juce::ComboBox presetCombo;
    juce::TextButton presetPrevBtn{"<"};
    juce::TextButton presetNextBtn{">"};

    void loadForTrack(int idx);
    void updateFileLabel(int idx);
    void refreshPresetCombo();

    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(TrommelkisteEditor)
};