Added a new example project: ComponentTutorialExample, which includes a PDF tutorial describing the basics of what a Component is.

examples/ComponentTutorialExample/Source/ToggleLightComponent.h

@@ -0,0 +1,53 @@
+/*
+  ==============================================================================
+
+    ToggleLightComponent.h
+    Created: 11 Feb 2015 9:56:51am
+    Author:  Felix Faire
+
+  ==============================================================================
+*/
+
+#ifndef TOGGLELIGHTCOMPONENT_H_INCLUDED
+#define TOGGLELIGHTCOMPONENT_H_INCLUDED
+
+/**
+    This class represents one of the individual lights in our grid.
+*/
+class ToggleLightComponent  : public Component
+{
+public:
+    ToggleLightComponent (String name = "light")
+        : Component (name),
+          isOn (false)
+    {
+    }
+
+    void paint (Graphics& g) override
+    {
+        g.fillAll (Colours::black);
+
+        // Only shows the red ellipse when the button is on.
+        if (isOn)
+        {
+            g.setColour (Colours::red);
+            g.fillEllipse (getLocalBounds().toFloat());
+        }
+    }
+
+    void mouseEnter (const MouseEvent&) override
+    {
+        // button toggles state on mouse over.
+        isOn = ! isOn;
+        repaint();
+    }
+
+private:
+    // member variables for the Component
+    bool isOn;
+
+    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ToggleLightComponent)
+};
+
+
+#endif  // TOGGLELIGHTCOMPONENT_H_INCLUDED