Added an isBoolean flag to APVTS parameters

modules/juce_audio_processors/utilities/juce_AudioProcessorValueTreeState.cpp

@@ -38,14 +38,16 @@ struct AudioProcessorValueTreeState::Parameter   : public AudioProcessorParamete
                bool meta,
                bool automatable,
                bool discrete,
-               AudioProcessorParameter::Category category)
+               AudioProcessorParameter::Category category,
+               bool boolean)
         : AudioProcessorParameterWithID (parameterID, paramName, labelText, category),
           owner (s), valueToTextFunction (valueToText), textToValueFunction (textToValue),
           range (r), value (defaultVal), defaultValue (defaultVal),
           listenersNeedCalling (true),
           isMetaParam (meta),
           isAutomatableParam (automatable),
-          isDiscreteParam (discrete)
+          isDiscreteParam (discrete),
+          isBooleanParam (boolean)
     {
         state.addListener (this);
         needsUpdate.set (1);
@@ -152,6 +154,7 @@ struct AudioProcessorValueTreeState::Parameter   : public AudioProcessorParamete
     bool isMetaParameter() const override      { return isMetaParam; }
     bool isAutomatable() const override        { return isAutomatableParam; }
     bool isDiscrete() const override           { return isDiscreteParam; }
+    bool isBoolean() const override            { return isBooleanParam; }
 
     AudioProcessorValueTreeState& owner;
     ValueTree state;
@@ -162,7 +165,7 @@ struct AudioProcessorValueTreeState::Parameter   : public AudioProcessorParamete
     float value, defaultValue;
     Atomic<int> needsUpdate;
     bool listenersNeedCalling;
-    const bool isMetaParam, isAutomatableParam, isDiscreteParam;
+    const bool isMetaParam, isAutomatableParam, isDiscreteParam, isBooleanParam;
 
     JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (Parameter)
 };
@@ -184,7 +187,8 @@ AudioProcessorParameterWithID* AudioProcessorValueTreeState::createAndAddParamet
                                                                                     bool isMetaParameter,
                                                                                     bool isAutomatableParameter,
                                                                                     bool isDiscreteParameter,
-                                                                                    AudioProcessorParameter::Category category)
+                                                                                    AudioProcessorParameter::Category category,
+                                                                                    bool isBooleanParameter)
 {
     // All parameters must be created before giving this manager a ValueTree state!
     jassert (! state.isValid());
@@ -192,7 +196,7 @@ AudioProcessorParameterWithID* AudioProcessorValueTreeState::createAndAddParamet
     Parameter* p = new Parameter (*this, paramID, paramName, labelText, r,
                                   defaultVal, valueToTextFunction, textToValueFunction,
                                   isMetaParameter, isAutomatableParameter,
-                                  isDiscreteParameter, category);
+                                  isDiscreteParameter, category, isBooleanParameter);
     processor.addParameter (p);
     return p;
 }

modules/juce_audio_processors/utilities/juce_AudioProcessorValueTreeState.h

@@ -84,6 +84,9 @@ public:
                                         @see AudioProcessorParameter::isDiscrete
         @param category                 Which category the parameter should use.
                                         @see AudioProcessorParameter::Category
+        @param isBoolean                Set this value to true to make this parameter appear as a boolean toggle in
+                                        a hosts view of your plug-ins parameters
+                                        @see AudioProcessorParameter::isBoolean
 
         @returns the parameter object that was created
     */
@@ -98,7 +101,8 @@ public:
                                                           bool isAutomatableParameter = true,
                                                           bool isDiscrete = false,
                                                           AudioProcessorParameter::Category category
-                                                             = AudioProcessorParameter::genericParameter);
+                                                             = AudioProcessorParameter::genericParameter,
+                                                          bool isBoolean = false);
 
     /** Returns a parameter by its ID string. */
     AudioProcessorParameterWithID* getParameter (StringRef parameterID) const noexcept;