envelope_section.h

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#pragma once
 
#include "JuceHeader.h"
#include "synth_section.h"
 
class EnvelopeEditor;
class SynthSlider;
 
class DragMagnifyingGlass : public OpenGlShapeButton {
public:
    class Listener {
    public:
        virtual ~Listener() { }
        virtual void magnifyDragged(Point<float> delta) = 0;
        virtual void magnifyDoubleClicked() = 0;
    };
 
    DragMagnifyingGlass();
 
    void mouseDown(const MouseEvent& e) override;
 
    void mouseUp(const MouseEvent& e) override;
 
    void mouseDrag(const MouseEvent& e) override;
 
    void mouseDoubleClick(const MouseEvent& e) override;
 
    void addListener(Listener* listener) { listeners_.push_back(listener); }
 
private:
    Point<float> last_position_;       
    Point<int> mouse_down_position_;   
    std::vector<Listener*> listeners_; 
};
 
class EnvelopeSection : public SynthSection, public DragMagnifyingGlass::Listener {
public:
    EnvelopeSection(String name, std::string value_prepend,
                    const vital::output_map& mono_modulations,
                    const vital::output_map& poly_modulations);
 
    virtual ~EnvelopeSection();
 
    void paintBackground(Graphics& g) override;
 
    void resized() override;
 
    void reset() override;
 
    void magnifyDragged(Point<float> delta) override;
 
    void magnifyDoubleClicked() override;
 
private:
    std::unique_ptr<EnvelopeEditor> envelope_;           
    std::unique_ptr<SynthSlider> delay_;                 
    std::unique_ptr<SynthSlider> attack_;                
    std::unique_ptr<SynthSlider> attack_power_;          
    std::unique_ptr<SynthSlider> hold_;                  
    std::unique_ptr<SynthSlider> decay_;                 
    std::unique_ptr<SynthSlider> decay_power_;           
    std::unique_ptr<SynthSlider> sustain_;               
    std::unique_ptr<SynthSlider> release_;               
    std::unique_ptr<SynthSlider> release_power_;         
    std::unique_ptr<DragMagnifyingGlass> drag_magnifying_glass_; 
 
    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(EnvelopeSection)
};