Cleaned up a few compiler warnings.

extras/audio plugins/demo/Source/PluginEditor.cpp

@@ -134,7 +134,7 @@ static const String timeToTimecodeString (const double seconds)
 }
 
 // quick-and-dirty function to format a bars/beats string
-static const String ppqToBarsBeatsString (double ppq, double lastBarPPQ, int numerator, int denominator)
+static const String ppqToBarsBeatsString (double ppq, double /*lastBarPPQ*/, int numerator, int denominator)
 {
     if (numerator == 0 || denominator == 0)
         return "1|1|0";

extras/audio plugins/demo/Source/PluginProcessor.cpp

@@ -20,8 +20,8 @@ public:
     {
     }
 
-    bool appliesToNote (const int midiNoteNumber)           { return true; }
-    bool appliesToChannel (const int midiChannel)           { return true; }
+    bool appliesToNote (const int /*midiNoteNumber*/)           { return true; }
+    bool appliesToChannel (const int /*midiChannel*/)           { return true; }
 };
 
 //==============================================================================
@@ -41,7 +41,7 @@ public:
     }
 
     void startNote (const int midiNoteNumber, const float velocity,
-                    SynthesiserSound* sound, const int currentPitchWheelPosition)
+                    SynthesiserSound* /*sound*/, const int /*currentPitchWheelPosition*/)
     {
         currentAngle = 0.0;
         level = velocity * 0.15;
@@ -73,12 +73,12 @@ public:
         }
     }
 
-    void pitchWheelMoved (const int newValue)
+    void pitchWheelMoved (const int /*newValue*/)
     {
         // can't be bothered implementing this for the demo!
     }
 
-    void controllerMoved (const int controllerNumber, const int newValue)
+    void controllerMoved (const int /*controllerNumber*/, const int /*newValue*/)
     {
         // not interested in controllers in this case.
     }
@@ -206,7 +206,7 @@ const String JuceDemoPluginAudioProcessor::getParameterText (int index)
 }
 
 //==============================================================================
-void JuceDemoPluginAudioProcessor::prepareToPlay (double sampleRate, int samplesPerBlock)
+void JuceDemoPluginAudioProcessor::prepareToPlay (double sampleRate, int /*samplesPerBlock*/)
 {
     // Use this method as the place to do any pre-playback
     // initialisation that you need..
@@ -336,12 +336,12 @@ const String JuceDemoPluginAudioProcessor::getOutputChannelName (const int chann
     return String (channelIndex + 1);
 }
 
-bool JuceDemoPluginAudioProcessor::isInputChannelStereoPair (int index) const
+bool JuceDemoPluginAudioProcessor::isInputChannelStereoPair (int /*index*/) const
 {
     return true;
 }
 
-bool JuceDemoPluginAudioProcessor::isOutputChannelStereoPair (int index) const
+bool JuceDemoPluginAudioProcessor::isOutputChannelStereoPair (int /*index*/) const
 {
     return true;
 }

extras/audio plugins/demo/Source/PluginProcessor.h

@@ -43,8 +43,8 @@ public:
     const String getParameterName (int index);
     const String getParameterText (int index);
 
-    const String getInputChannelName (const int channelIndex) const;
-    const String getOutputChannelName (const int channelIndex) const;
+    const String getInputChannelName (int channelIndex) const;
+    const String getOutputChannelName (int channelIndex) const;
     bool isInputChannelStereoPair (int index) const;
     bool isOutputChannelStereoPair (int index) const;
 
@@ -52,11 +52,11 @@ public:
     bool producesMidi() const;
 
     //==============================================================================
-    int getNumPrograms()                                        { return 0; }
-    int getCurrentProgram()                                     { return 0; }
-    void setCurrentProgram (int index)                          { }
-    const String getProgramName (int index)                     { return String::empty; }
-    void changeProgramName (int index, const String& newName)   { }
+    int getNumPrograms()                                                { return 0; }
+    int getCurrentProgram()                                             { return 0; }
+    void setCurrentProgram (int /*index*/)                              { }
+    const String getProgramName (int /*index*/)                         { return String::empty; }
+    void changeProgramName (int /*index*/, const String& /*newName*/)   { }
 
     //==============================================================================
     void getStateInformation (MemoryBlock& destData);

extras/audio plugins/wrapper/juce_PluginHostType.h

@@ -141,4 +141,7 @@ private:
 #endif
         return UnknownHost;
     }
+
+    PluginHostType (const PluginHostType&);
+    PluginHostType& operator= (const PluginHostType&);
 };

src/gui/components/buttons/juce_DrawableButton.cpp

@@ -173,8 +173,8 @@ void DrawableButton::paintButton (Graphics& g,
         {
             g.setFont ((float) textH);
 
-            g.setColour (getLookAndFeel().findColour (DrawableButton::textColourId)
-                                .withMultipliedAlpha (isEnabled() ? 1.0f : 0.4f));
+            g.setColour (findColour (DrawableButton::textColourId)
+                            .withMultipliedAlpha (isEnabled() ? 1.0f : 0.4f));
 
             g.drawFittedText (getButtonText(),
                               2, getHeight() - textH - 1,