Method FilterControl

Source/Components/FilterControl.cpp:16–66

==============================================================================

//==============================================================================
FilterControl::FilterControl(Parameters& parameters)
    : mParameters(parameters),
      mSliderCutoff(parameters, mParameters.global.filterCutoff),
      mSliderResonance(parameters, mParameters.global.filterRes),
      mPathStroke(3, juce::PathStrokeType::JointStyle::mitered, juce::PathStrokeType::EndCapStyle::rounded) {
  juce::Colour colour = Utils::Colour::GLOBAL;

  // Default slider settings
  std::vector<std::reference_wrapper<juce::Slider>> sliders = { mSliderCutoff, mSliderResonance };
  for (auto& slider : sliders) {
    slider.get().setNumDecimalPlacesToDisplay(2);
    slider.get().setPopupDisplayEnabled(true, true, this);
    slider.get().setColour(juce::Slider::ColourIds::rotarySliderOutlineColourId, Utils::Colour::GLOBAL);
    addAndMakeVisible(slider.get());
  }
  mSliderCutoff.setRange(ParamRanges::FILT_CUTOFF.start, ParamRanges::FILT_CUTOFF.end, 0.01);
  mSliderCutoff.setTextValueSuffix("hz");
  mSliderCutoff.setDoubleClickReturnValue(true, ParamDefaults::FILTER_LP_CUTOFF_DEFAULT_HZ);
  mSliderResonance.setRange(ParamRanges::FILT_RESONANCE.start, ParamRanges::FILT_RESONANCE.end, 0.01);
  mSliderResonance.setDoubleClickReturnValue(true, ParamDefaults::FILTER_RESONANCE_DEFAULT);

  // Default label settings
  std::vector<std::reference_wrapper<juce::Label>> labels = { mLabelCutoff, mLabelResonance };
  for (auto& label : labels) {
    label.get().setColour(juce::Label::ColourIds::textColourId, Utils::Colour::GLOBAL);
    label.get().setJustificationType(juce::Justification::centredTop);
    label.get().setFont(juce::Font(14));
    addAndMakeVisible(label.get());
  }
  mLabelCutoff.setText("cutoff", juce::dontSendNotification);
  mLabelResonance.setText("resonance", juce::dontSendNotification);

  mFilterType.setJustificationType(juce::Justification::centred);
  mFilterType.setColour(juce::ComboBox::ColourIds::backgroundColourId, colour);
  for (int i = 0; i < FILTER_TYPE_NAMES.size(); ++i) {
    mFilterType.addItem(FILTER_TYPE_NAMES[i], i + 1);
  }
  mFilterType.onChange = [this]() {
    int type = mFilterType.getSelectedId() - 1;
    ParamHelper::setParam(mParameters.global.filterType, type);
  };
  addAndMakeVisible(mFilterType);

  mParameters.global.filterType->addListener(this);
  mParameters.global.filterCutoff->addListener(this);
  mParameters.global.filterRes->addListener(this);

  mParamHasChanged.store(true); // Init param values

  startTimer(Utils::UI_REFRESH_INTERVAL);
}

FilterControl::~FilterControl() {
  mParameters.global.filterType->removeListener(this);