ui: reworded file tooltips

* and added sample source

bin/app/data/src/sample/samples.cpp

@@ -0,0 +1,123 @@
+
+int number = 3;
+
+int calculate()
+{
+	int a = 1 + 2;
+	return a;
+}
+
+
+int count = 0;
+
+void countUp()
+{
+	count += 1;
+}
+
+void countDown()
+{
+	count -= 1;
+}
+
+
+void countUpTen()
+{
+	for (int i = 0; i < 10; i++)
+	{
+		countUp();
+	}
+}
+
+
+class Person
+{
+public:
+	Person(char* name)
+		: name(name)
+		, age(0)
+		, weight(3)
+		, height(50)
+	{
+	}
+
+	char* askForName() const
+	{
+		return name;
+	}
+
+	void gainWeight(int gain)
+	{
+		weight += gain;
+	}
+
+	void grow(int gain)
+	{
+		height += gain;
+	}
+
+	void celebrateBirthday()
+	{
+		age += 1;
+
+		grow(5);
+		gainWeight(3);
+	}
+
+private:
+	char* name;
+	int age;
+
+	int height;
+	int weight;
+};
+
+
+class Vehicle
+{
+protected:
+	int wheelCount;
+	int seatCount;
+};
+
+class Car
+	: public Vehicle
+{
+public:
+	Car()
+	{
+		wheelCount = 4;
+		seatCount = 5;
+	}
+};
+
+class Truck
+	: public Vehicle
+{
+public:
+	Truck()
+	{
+		wheelCount = 6;
+		seatCount = 2;
+	}
+};
+
+
+template<typename T>
+T sum(T a, T b)
+{
+	return a + b;
+}
+
+class Apple {};
+class Pear {};
+
+template<typename Fruit>
+class Basket
+{
+public:
+	Fruit** field;
+};
+
+Basket<Apple> apples;
+Basket<Pear> pears;