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/* Copyright (c) 2015-2016, Stanislaw Halik <sthalik@misaki.pl>
* 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 "compat/util.hpp"
#include "bundle.hpp"
#include "slider.hpp"
#include "base-value.hpp"
#include "value-traits.hpp"
#include <cstdio>
#include <type_traits>
#include <typeinfo>
#include <typeindex>
#include <utility>
#include <QVariant>
#include <QString>
#include <QPointF>
#include <QList>
#include <QMutex>
namespace options {
template<typename t>
class value final : public base_value
{
using traits = detail::value_traits<t, t, void>;
using element_type = typename traits::element_type;
static bool is_equal(const QVariant& val1, const QVariant& val2)
{
return val1.value<element_type>() == val2.value<element_type>();
}
never_inline
t get() const
{
if (self_name.isEmpty())
return def;
if (!b->contains(self_name) || b->get<QVariant>(self_name).type() == QVariant::Invalid)
return def;
const element_type x(b->get<element_type>(self_name));
return traits::from_value(traits::from_storage(x), def);
}
public:
never_inline
t operator=(const t& datum)
{
if (self_name.isEmpty())
return def;
if (datum != get())
store(traits::to_storage(datum));
return datum;
}
static constexpr inline Qt::ConnectionType DIRECT_CONNTYPE = Qt::DirectConnection;
static constexpr inline Qt::ConnectionType SAFE_CONNTYPE = Qt::QueuedConnection;
never_inline
value(bundle b, const QString& name, t def) :
base_value(b, name, &is_equal, std::type_index(typeid(element_type))),
def(def)
{
if (!self_name.isEmpty())
QObject::connect(b.get(), SIGNAL(reloading()),
this, SLOT(reload()),
DIRECT_CONNTYPE);
}
never_inline
value(bundle b, const char* name, t def) : value(b, QString(name), def)
{
}
never_inline
t default_value() const
{
return def;
}
never_inline
void set_to_default() override
{
*this = def;
}
never_inline
operator t() const { return std::forward<t>(get()); }
never_inline
t operator->() const
{
return get();
}
never_inline
void reload() override
{
if (!self_name.isEmpty())
*this = static_cast<t>(*this);
}
never_inline
void bundle_value_changed() const override
{
if (!self_name.isEmpty())
emit valueChanged(traits::to_storage(get()));
}
never_inline
t operator()() const
{
return get();
}
template<typename u>
never_inline
u to() const
{
return static_cast<u>(std::forward<t>(get()));
}
private:
const t def;
};
#if defined _MSC_VER
# if !defined OTR_OPT_VALUE
# define OTR_OPT_VALUE OTR_TEMPLATE_IMPORT
# endif
OTR_OPT_VALUE value<double>;
OTR_OPT_VALUE value<float>;
OTR_OPT_VALUE value<int>;
OTR_OPT_VALUE value<bool>;
OTR_OPT_VALUE value<QString>;
OTR_OPT_VALUE value<slider_value>;
OTR_OPT_VALUE value<QPointF>;
OTR_OPT_VALUE value<QVariant>;
OTR_OPT_VALUE value<QList<double>>;
OTR_OPT_VALUE value<QList<float>>;
OTR_OPT_VALUE value<QList<int>>;
OTR_OPT_VALUE value<QList<bool>>;
OTR_OPT_VALUE value<QList<QString>>;
OTR_OPT_VALUE value<QList<slider_value>>;
OTR_OPT_VALUE value<QList<QPointF>>;
#endif
} // ns options
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