bpmdetectui.h

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// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
#include <cstdint>
 
#include <DistrhoUI.hpp>
 
#include "parameters.h"
 
START_NAMESPACE_DISTRHO

class BpmDetectUi : public UI {
public:
    BpmDetectUi();
 
protected:
    void parameterChanged(uint32_t index, float value) override;
    void onNanoDisplay() override;
    bool onMouse(const MouseEvent &event) override;
    bool onMotion(const MotionEvent &event) override;
 
private:
    // Bounds of the reset button for the current window size.
    Rectangle<float> resetButtonBounds() const;
    // Bounds of the project page link for the current window size.
    Rectangle<float> linkBounds() const;
    // Bounds of a slider track. The index must be kParameterMinimumBpm or kParameterMaximumBpm.
    Rectangle<float> sliderTrackBounds(uint32_t index) const;
    // Applies a horizontal position within a slider track as the parameter value.
    void applySliderPosition(uint32_t index, float x);
    // Draws one slider row with its label and value.
    void drawSlider(uint32_t index, const char *label, float value);
 
    float detectedBpm_ = 0.f;
    float minimumBpm_ = kDefaultMinimumBpm;
    float maximumBpm_ = kDefaultMaximumBpm;
    // Parameter being dragged, or kParameterCount when no drag is active.
    uint32_t draggedParameter_ = kParameterCount;
};
 
END_NAMESPACE_DISTRHO