options/slider: allow arbitrary cast

1 files changed, 10 insertions, 1 deletions

diff --git a/options/slider.hpp b/options/slider.hpp
index da6bf214..5657ab82 100644
--- a/options/slider.hpp
+++ b/options/slider.hpp
@@ -20,6 +20,9 @@ namespace options
     class OTR_OPTIONS_EXPORT slider_value final
     {
         double cur_, min_, max_;
+
+        template<typename t>
+        using arith_conversion_t = std::enable_if_t<std::is_arithmetic_v<std::decay_t<t>>, std::decay_t<t>>;
     public:
         slider_value(double cur, double min, double max);
 
@@ -29,12 +32,18 @@ namespace options
             max_(double(max))
         {}
 
+        template<typename t>
+        never_inline
+        explicit operator arith_conversion_t<t>() const
+        {
+            return t(cur_);
+        }
+
         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_; }
-        explicit operator int() const { return iround(cur_); }
         double cur() const { return cur_; }
         double min() const { return min_; }
         double max() const { return max_; }