Improve DECLARE_ENUM macro

- DECLARE_ENUM now declares a regular enum.
- DECLARE_ENUM_CLASS declares an enum class.
- Macros don't include a trailing ';' so they
  can also be used when defining an enum.

application/global.h

@@ -68,10 +68,22 @@
 
 /*!
  * \def DECLARE_ENUM
- * \brief Forward-declares enums without preventing lupdate to parse the file correctly.
+ * \brief Declares an enum without preventing lupdate to parse the file correctly.
  */
 
-#define DECLARE_ENUM(name, base) enum class name : base;
+#define DECLARE_ENUM(name, base) enum name : base
+
+/*!
+ * \def DECLARE_ENUM_CLASS
+ * \brief Declares an enum without preventing lupdate to parse the file correctly.
+ */
+
+#define DECLARE_ENUM_CLASS(name, base) enum class name : base
+
+/*!
+ * \def VAR_UNUSED
+ * \brief Prevents warnings about unused variables.
+ */
 
 #define VAR_UNUSED(x) (void)x;