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#pragma once
#include "bundle.hpp"
#include "slider.hpp"
#include <type_traits>
#include <QString>
#include <QPointF>
#include <QList>
#define OPENTRACK_DEFINE_SLOT(t) void setValue(t datum) { store(datum); }
#define OPENTRACK_DEFINE_SIGNAL(t) void valueChanged(t)
namespace options {
namespace detail {
template<typename t> struct value_type_traits { using type = t;};
template<> struct value_type_traits<QString> { using type = const QString&; };
template<> struct value_type_traits<slider_value> { using type = const slider_value&; };
template<typename u> struct value_type_traits<QList<u>>
{
using type = const QList<typename std::remove_const<typename std::remove_reference<u>::type>::type>&;
};
template<typename t> using value_type_t = typename value_type_traits<t>::type;
}
class OPENTRACK_OPTIONS_EXPORT base_value : public QObject
{
Q_OBJECT
public:
QString name() const { return self_name; }
base_value(bundle b, const QString& name) : b(b), self_name(name) {}
signals:
OPENTRACK_DEFINE_SIGNAL(double);
OPENTRACK_DEFINE_SIGNAL(float);
OPENTRACK_DEFINE_SIGNAL(int);
OPENTRACK_DEFINE_SIGNAL(bool);
OPENTRACK_DEFINE_SIGNAL(const QString&);
OPENTRACK_DEFINE_SIGNAL(const slider_value&);
OPENTRACK_DEFINE_SIGNAL(const QPointF&);
OPENTRACK_DEFINE_SIGNAL(const QList<double>&);
OPENTRACK_DEFINE_SIGNAL(const QList<float>&);
OPENTRACK_DEFINE_SIGNAL(const QList<int>&);
OPENTRACK_DEFINE_SIGNAL(const QList<bool>&);
OPENTRACK_DEFINE_SIGNAL(const QList<QString>&);
OPENTRACK_DEFINE_SIGNAL(const QList<slider_value>&);
OPENTRACK_DEFINE_SIGNAL(const QList<QPointF>&);
protected:
bundle b;
QString self_name;
template<typename t>
void store(const t& datum)
{
b->store_kv(self_name, QVariant::fromValue(datum));
emit valueChanged(static_cast<detail::value_type_t<t>>(datum));
}
void store(float datum)
{
store(double(datum));
}
public slots:
OPENTRACK_DEFINE_SLOT(double)
OPENTRACK_DEFINE_SLOT(int)
OPENTRACK_DEFINE_SLOT(bool)
OPENTRACK_DEFINE_SLOT(const QString&)
OPENTRACK_DEFINE_SLOT(const slider_value&)
OPENTRACK_DEFINE_SLOT(const QPointF&)
OPENTRACK_DEFINE_SLOT(const QList<double>&)
OPENTRACK_DEFINE_SLOT(const QList<float>&)
OPENTRACK_DEFINE_SLOT(const QList<int>&)
OPENTRACK_DEFINE_SLOT(const QList<bool>&)
OPENTRACK_DEFINE_SLOT(const QList<QString>&)
OPENTRACK_DEFINE_SLOT(const QList<slider_value>&)
OPENTRACK_DEFINE_SLOT(const QList<QPointF>&)
public slots:
virtual void reload() = 0;
};
namespace detail {
template<typename t>
struct value_get_traits
{
static inline t get(const t& val, const t&)
{
return val;
}
};
template<>
struct value_get_traits<slider_value>
{
using t = slider_value;
static inline t get(const t& val, const t& def)
{
return t(val.cur(), def.min(), def.max());
}
};
template<typename t, typename Enable = void>
struct value_element_type
{
using type = typename std::remove_reference<typename std::remove_cv<t>::type>::type;
};
// Qt uses int a lot in slots so use it for all enums
template<typename t>
struct value_element_type<t, typename std::enable_if<std::is_enum<t>::value>::type>
{
using type = int;
};
template<typename t> using value_element_type_t = typename value_element_type<t>::type;
}
template<typename t>
class value final : public base_value
{
public:
using element_type = detail::value_element_type_t<t>;
t operator=(const t& datum)
{
store(static_cast<element_type>(datum));
return datum;
}
static constexpr const Qt::ConnectionType DIRECT_CONNTYPE = Qt::AutoConnection;
static constexpr const Qt::ConnectionType SAFE_CONNTYPE = Qt::QueuedConnection;
value(bundle b, const QString& name, t def) : base_value(b, name), def(def)
{
QObject::connect(b.get(), SIGNAL(reloading()),
this, SLOT(reload()),
DIRECT_CONNTYPE);
if (!b->contains(name) || b->get<QVariant>(name).type() == QVariant::Invalid)
*this = def;
}
value(bundle b, const char* name, t def) : value(b, QString(name), def)
{
}
t get() const
{
t val = b->contains(self_name)
? static_cast<t>(b->get<element_type>(self_name))
: def;
return detail::value_get_traits<t>::get(val, def);
}
operator t() const { return get(); }
void reload() override
{
*this = static_cast<t>(*this);
}
private:
t def;
};
}
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