1 files changed, 20 insertions, 22 deletions
diff --git a/options/slider.hpp b/options/slider.hpp
index 48b690d2..1e721ae0 100644
--- a/options/slider.hpp
+++ b/options/slider.hpp
@@ -8,8 +8,11 @@
 #pragma once
 
 #include "export.hpp"
-#include <QMetaType>
+
+#include <type_traits>
+
 #include <QDataStream>
+#include <QMetaType>
 #include <QDebug>
 
 namespace options
@@ -17,34 +20,29 @@ namespace options
     class OTR_OPTIONS_EXPORT slider_value final
     {
         double cur_, min_, max_;
+
     public:
         slider_value(double cur, double min, double max);
 
-        template<typename t, typename u, typename v> slider_value(t cur, u min, v max) :
-            cur_(double(cur)),
-            min_(double(min)),
-            max_(double(max))
-        {}
+        template<typename t, typename u, typename v>
+        slider_value(t cur, u min, v max) :
+            slider_value((double)cur, (double)min, (double)max) {}
+
+        slider_value& operator=(const slider_value& v) = default;
+        slider_value(const slider_value& v) = default;
+        slider_value() : slider_value{0, 0, 0} {}
 
-        slider_value(const slider_value& v);
-        slider_value();
-        slider_value& operator=(const slider_value& v);
         bool operator==(const slider_value& v) const;
-        operator double() const { return cur_; }
-        double cur() const { return cur_; }
-        double min() const { return min_; }
-        double max() const { return max_; }
+        bool operator!=(const slider_value& v) const;
+        constexpr operator double() const { return cur_; }
+        constexpr double cur() const { return cur_; }
+        constexpr double min() const { return min_; }
+        constexpr double max() const { return max_; }
         slider_value update_from_slider(int pos, int q_min, int q_max) const;
         int to_slider_pos(int q_min, int q_max) const;
     };
 }
 
-QT_BEGIN_NAMESPACE
-
-QDebug operator << (QDebug dbg, const options::slider_value& val);
-QDataStream& operator << (QDataStream& out, const options::slider_value& v);
-QDataStream& operator >> (QDataStream& in, options::slider_value& v);
-
-QT_END_NAMESPACE
-
-Q_DECLARE_METATYPE(options::slider_value)
+OTR_OPTIONS_EXPORT QDebug operator << (QDebug dbg, const options::slider_value& val);
+OTR_OPTIONS_EXPORT QDataStream& operator << (QDataStream& out, const options::slider_value& v);
+OTR_OPTIONS_EXPORT QDataStream& operator >> (QDataStream& in, options::slider_value& v);