1 files changed, 63 insertions, 0 deletions
diff --git a/opentrack-compat/slider.hpp b/opentrack-compat/slider.hpp
new file mode 100644
index 00000000..d5e4a7d0
--- /dev/null
+++ b/opentrack-compat/slider.hpp
@@ -0,0 +1,63 @@
+/* Copyright (c) 2016 Stanislaw Halik
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ */
+
+#pragma once
+
+#include "export.hpp"
+#include <QMetaType>
+#include <QDataStream>
+#include <QDebug>
+#include <cmath>
+
+namespace options
+{
+    class OPENTRACK_COMPAT_EXPORT slider_value final
+    {
+        double cur_, min_, max_;
+    public:
+        slider_value(double cur, double min, double max);
+        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_; }
+        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
+
+inline QDebug operator << (QDebug dbg, const options::slider_value& val)
+{
+    return dbg << val.cur();
+}
+
+inline QDataStream& operator << (QDataStream& out, const options::slider_value& v)
+{
+    out << v.cur()
+        << v.min()
+        << v.max();
+    return out;
+}
+
+inline QDataStream& operator >> (QDataStream& in, options::slider_value& v)
+{
+    double cur, min, max;
+    in >> cur;
+    in >> min;
+    in >> max;
+    v = options::slider_value(cur, min, max);
+    return in;
+}
+
+QT_END_NAMESPACE
+
+Q_DECLARE_METATYPE(options::slider_value)