Make processing mode a vst parameter

Leiwandizer/Source/PluginEditor.cpp

@@ -25,12 +25,15 @@ LeiwandizerAudioProcessorEditor::LeiwandizerAudioProcessorEditor (LeiwandizerAud
     btLeiwand.setBounds(97, 66, 45, 75); // x, y, width, height
     btLeiwand.onClick = [this]() {
         auto& proc = audioProcessor;
-        proc.isLeiwand = !proc.isLeiwand;
+        if (*(proc.processorMode) == 0) *(proc.processorMode) = 1;
+        else *(proc.processorMode) = 0;
         };
 
     // Make sure that before the constructor has finished, you've set the
     // editor's size to whatever you need it to be.
     setSize (979, 179);
+
+    audioProcessor.processorMode->addListener(this);
 }
 
 LeiwandizerAudioProcessorEditor::~LeiwandizerAudioProcessorEditor()
@@ -46,8 +49,8 @@ void LeiwandizerAudioProcessorEditor::paint (juce::Graphics& g)
     //g.setColour (juce::Colours::white);
     //g.setFont (juce::FontOptions (15.0f));
     //g.drawFittedText ("Hello World!", getLocalBounds(), juce::Justification::centred, 1);
-    if (audioProcessor.isLeiwand) g.drawImage(backgroundOn, getLocalBounds().toFloat());
-    else g.drawImage(backgroundOff, getLocalBounds().toFloat());
+    if ( *(audioProcessor.processorMode) == 1) g.drawImage(backgroundOn, getLocalBounds().toFloat()); //1 = Leiwand
+    else g.drawImage(backgroundOff, getLocalBounds().toFloat()); //0 = Oasch
 }
 
 void LeiwandizerAudioProcessorEditor::resized()
@@ -55,3 +58,12 @@ void LeiwandizerAudioProcessorEditor::resized()
     // This is generally where you'll want to lay out the positions of any
     // subcomponents in your editor..
 }
+
+void LeiwandizerAudioProcessorEditor::parameterValueChanged(int parameterIndex, float newValue)
+{
+    this->repaint();
+}
+
+void LeiwandizerAudioProcessorEditor::parameterGestureChanged(int parameterIndex, bool gestureIsStarting)
+{
+}

Leiwandizer/Source/PluginEditor.h

@@ -33,7 +33,7 @@ public:
 //==============================================================================
 /**
 */
-class LeiwandizerAudioProcessorEditor  : public juce::AudioProcessorEditor
+class LeiwandizerAudioProcessorEditor  : public juce::AudioProcessorEditor, public juce::AudioProcessorParameter::Listener
 {
 public:
     LeiwandizerAudioProcessorEditor (LeiwandizerAudioProcessor&);
@@ -42,6 +42,8 @@ public:
     //==============================================================================
     void paint (juce::Graphics&) override;
     void resized() override;
+    void parameterValueChanged(int parameterIndex, float newValue) override;
+    void parameterGestureChanged(int parameterIndex, bool gestureIsStarting) override;
 
 private:
     // This reference is provided as a quick way for your editor to

Leiwandizer/Source/PluginProcessor.cpp

@@ -22,6 +22,14 @@ LeiwandizerAudioProcessor::LeiwandizerAudioProcessor()
                        )
 #endif
 {
+    juce::StringArray modes{ "Oasch", "Leiwand" }; //Order (indexes) matter!
+    addParameter(processorMode = new juce::AudioParameterChoice(
+        "mode",
+        "Mode",
+        modes,
+        0
+    ));
+
 }
 
 LeiwandizerAudioProcessor::~LeiwandizerAudioProcessor()
@@ -239,7 +247,7 @@ void LeiwandizerAudioProcessor::processBlock (juce::AudioBuffer<float>& buffer,
 
     juce::dsp::AudioBlock<float> block(buffer);
     juce::dsp::ProcessContextReplacing<float> context(block);
-    if (isLeiwand)
+    if (*processorMode == 1) //Leiwand
     {
         lowShelfFilterLw.process(context);
         highShelfFilterLw.process(context);
@@ -248,7 +256,7 @@ void LeiwandizerAudioProcessor::processBlock (juce::AudioBuffer<float>& buffer,
         compressor.process(context);
         limiter.process(context);
     }
-    else
+    else //Oasch
     {
         phaser.process(context);
         chorus.process(context);
@@ -296,12 +304,14 @@ void LeiwandizerAudioProcessor::getStateInformation (juce::MemoryBlock& destData
     // You should use this method to store your parameters in the memory block.
     // You could do that either as raw data, or use the XML or ValueTree classes
     // as intermediaries to make it easy to save and load complex data.
+    juce::MemoryOutputStream(destData, true).writeInt(*processorMode);
 }
 
 void LeiwandizerAudioProcessor::setStateInformation (const void* data, int sizeInBytes)
 {
     // You should use this method to restore your parameters from this memory block,
     // whose contents will have been created by the getStateInformation() call.
+    *processorMode = juce::MemoryInputStream(data, static_cast<size_t> (sizeInBytes), false).readInt();
 }
 
 //==============================================================================

Leiwandizer/Source/PluginProcessor.h

@@ -53,7 +53,7 @@ public:
     void getStateInformation (juce::MemoryBlock& destData) override;
     void setStateInformation (const void* data, int sizeInBytes) override;
 
-    bool isLeiwand = false;
+    juce::AudioParameterChoice *processorMode;
 
 private:
     //==============================================================================