anonymous_namespace{VST3ParametersWindow.cpp}::VST3DiscreteParameter Class Reference

Inheritance diagram for anonymous_namespace{VST3ParametersWindow.cpp}::VST3DiscreteParameter:

Collaboration diagram for anonymous_namespace{VST3ParametersWindow.cpp}::VST3DiscreteParameter:

Public Member Functions
	VST3DiscreteParameter (wxWindow *parent, wxWindowID id, Steinberg::Vst::ParamID paramId, int maxValue, const wxString &title, const wxString &units, Steinberg::Vst::IEditController &editController, const wxPoint &pos=wxDefaultPosition, const wxSize &size=wxDefaultSize, long style=wxSL_HORIZONTAL, const wxValidator &validator=wxDefaultValidator, const wxString &name=wxSliderNameStr)
void	SetNormalizedValue (Steinberg::Vst::IEditController &editController, Steinberg::Vst::ParamValue value) override
void	UpdateAccessible (Steinberg::Vst::IEditController &editController, Steinberg::Vst::ParamValue value) override
Steinberg::Vst::ParamValue	GetNormalizedValue (Steinberg::Vst::IEditController &editController) const override
Public Member Functions inherited from VST3ParameterControl
	VST3ParameterControl (Steinberg::Vst::ParamID id)
virtual	~VST3ParameterControl ()
virtual void	SetNormalizedValue (Steinberg::Vst::IEditController &, Steinberg::Vst::ParamValue value)=0
virtual Steinberg::Vst::ParamValue	GetNormalizedValue (Steinberg::Vst::IEditController &editController) const =0
virtual void	UpdateAccessible (Steinberg::Vst::IEditController &editController, Steinberg::Vst::ParamValue value)
Steinberg::Vst::ParamID	GetParameterId () const noexcept

Private Attributes
const wxString	mTitle
const wxString	mUnits
const int	mStepCount {}
bool	mUsePluginConversions { true }

Detailed Description

Definition at line 156 of file VST3ParametersWindow.cpp.

Constructor & Destructor Documentation

VST3DiscreteParameter()

anonymous_namespace{VST3ParametersWindow.cpp}::VST3DiscreteParameter::VST3DiscreteParameter ( wxWindow *  parent, wxWindowID  id, Steinberg::Vst::ParamID  paramId, int  maxValue, const wxString &  title, const wxString &  units, Steinberg::Vst::IEditController &  editController, const wxPoint &  pos = wxDefaultPosition, const wxSize &  size = wxDefaultSize, long  style = wxSL_HORIZONTAL, const wxValidator &  validator = wxDefaultValidator, const wxString &  name = wxSliderNameStr  )

inline

Definition at line 164 of file VST3ParametersWindow.cpp.

      : wxSlider(parent, id, 0, 0, maxValue, pos, size, style, validator, name)
      , VST3ParameterControl(paramId)
      , mTitle(title)
      , mUnits(units)
      , mStepCount(maxValue)
      {
#if wxUSE_ACCESSIBILITY
         SetAccessible(safenew WindowAccessible(this));
#endif
         // See Issue #4763.
         // For discrete parmeters, it appears that some plugins do not provide
         // correct implementations of the functions for converting between plain
         // and normalized values. When the correct implementations are not provided
         // the conversion functions just return the input value.
         // So, to workaround this, test for this, and when valid implementations
         // are not provided, use the formulas given by Steinberg in their documentation.
         mUsePluginConversions = mStepCount != editController.plainParamToNormalized(paramId, mStepCount);
      }

References safenew.

Member Function Documentation

GetNormalizedValue()

Steinberg::Vst::ParamValue anonymous_namespace{VST3ParametersWindow.cpp}::VST3DiscreteParameter::GetNormalizedValue ( Steinberg::Vst::IEditController &  editController ) const

inlineoverridevirtual

Implements VST3ParameterControl.

Definition at line 211 of file VST3ParametersWindow.cpp.

      {
         return mUsePluginConversions ?
            editController.plainParamToNormalized(GetParameterId(), GetValue()) :
            GetValue() / static_cast<double>(mStepCount);
      }

SetNormalizedValue()

void anonymous_namespace{VST3ParametersWindow.cpp}::VST3DiscreteParameter::SetNormalizedValue ( Steinberg::Vst::IEditController &  editController, Steinberg::Vst::ParamValue  value  )

inlineoverridevirtual

Implements VST3ParameterControl.

Definition at line 195 of file VST3ParametersWindow.cpp.

      {
         int plainValue = mUsePluginConversions ?
            static_cast<int>(editController.normalizedParamToPlain(GetParameterId(), value)) :
            static_cast<int>(std::min(static_cast<double>(mStepCount), value * (mStepCount + 1)));
         SetValue(plainValue);
         UpdateAccessible(editController, value);
      }

References min().

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UpdateAccessible()

void anonymous_namespace{VST3ParametersWindow.cpp}::VST3DiscreteParameter::UpdateAccessible ( Steinberg::Vst::IEditController &  editController, Steinberg::Vst::ParamValue  value  )

inlineoverridevirtual

Reimplemented from VST3ParameterControl.

Definition at line 204 of file VST3ParametersWindow.cpp.

      {
         Steinberg::Vst::String128 str{ };
         editController.getParamStringByValue(GetParameterId(), value, str);
         SetName(wxString::Format("%s %s %s", mTitle, VST3Utils::ToWxString(str), mUnits));
      }

References str, and VST3Utils::ToWxString().

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Member Data Documentation

mStepCount

const int anonymous_namespace{VST3ParametersWindow.cpp}::VST3DiscreteParameter::mStepCount {}

private

Definition at line 160 of file VST3ParametersWindow.cpp.

mTitle

const wxString anonymous_namespace{VST3ParametersWindow.cpp}::VST3DiscreteParameter::mTitle

private

Definition at line 158 of file VST3ParametersWindow.cpp.

mUnits

const wxString anonymous_namespace{VST3ParametersWindow.cpp}::VST3DiscreteParameter::mUnits

private

Definition at line 159 of file VST3ParametersWindow.cpp.

mUsePluginConversions

bool anonymous_namespace{VST3ParametersWindow.cpp}::VST3DiscreteParameter::mUsePluginConversions { true }

private

Definition at line 161 of file VST3ParametersWindow.cpp.

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The documentation for this class was generated from the following file:

• VST3ParametersWindow.cpp