Use the override specifier when overriding a virtual function

[libs/gltk.git] / source / indicator.h

diff --git a/source/indicator.h b/source/indicator.h
index c8ecbc53ecae34dad48458a3441b87fd94ddf294..9ec9f33c8c2a1fa41f3048ae669e7b06ce2383b4 100644 (file)
--- a/source/indicator.h
+++ b/source/indicator.h
@@ -1,18 +1,21 @@
 #ifndef MSP_GLTK_INDICATOR_H_
 #define MSP_GLTK_INDICATOR_H_
 
+#include "mspgltk_api.h"
 #include "widget.h"
 
 namespace Msp {
 namespace GLtk {
 
-class Indicator: public Widget
+/**
+An Indicator visualizes a boolean state.  It can be either active or inactive.
+*/
+class MSPGLTK_API Indicator: public Widget
 {
 public:
-       Indicator(const Resources &);
+       const char *get_class() const override { return "indicator"; }
+
        void set_active(bool);
-private:
-       const char *get_class() const { return "indicator"; }
 };
 
 } // namespace GLtk