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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 "bundle.hpp"
#include "slider.hpp"
#include "base-value.hpp"
#include "value-traits.hpp"
#include "compat/macros.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 value_
{
using traits = detail::value_traits<t, t, void>;
using stored_type = typename traits::stored_type;
static bool is_equal(const QVariant& val1, const QVariant& val2)
{
return val1.value<stored_type>() == val2.value<stored_type>();
}
cc_noinline
t get() const
{
if (self_name.isEmpty())
return def;
QVariant variant = b->get<QVariant>(self_name);
if (!b->contains(self_name) || variant.type() == QVariant::Invalid)
return def;
const stored_type x(variant.value<stored_type>());
return traits::from_value(traits::from_storage(x), def);
}
public:
cc_noinline
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;
cc_noinline
value(bundle b, const QString& name, t def) :
value_(b, name, &is_equal, std::type_index(typeid(stored_type))),
def(def)
{
if (!self_name.isEmpty())
QObject::connect(b.get(), SIGNAL(reloading()),
this, SLOT(reload()),
DIRECT_CONNTYPE);
}
cc_noinline
t default_value() const
{
return def;
}
cc_noinline
void set_to_default() override
{
*this = def;
}
operator t() const { return get(); }
t operator->() const
{
return get();
}
cc_noinline
void reload() override
{
if (!self_name.isEmpty())
*this = static_cast<t>(*this);
}
cc_noinline
void bundle_value_changed() const override
{
if (!self_name.isEmpty())
emit valueChanged(traits::to_storage(get()));
}
t operator()() const
{
return get();
}
t operator*() const
{
return get();
}
template<typename u>
u to() const
{
return static_cast<u>(get());
}
private:
const t def;
};
#if !defined OTR_INST_VALUE
# define OTR_INST_VALUE OTR_TEMPLATE_IMPORT
#endif
#if !defined __APPLE__
OTR_INST_VALUE(value<double>);
OTR_INST_VALUE(value<float>);
OTR_INST_VALUE(value<int>);
OTR_INST_VALUE(value<bool>);
OTR_INST_VALUE(value<QString>);
OTR_INST_VALUE(value<slider_value>);
OTR_INST_VALUE(value<QPointF>);
OTR_INST_VALUE(value<QVariant>);
OTR_INST_VALUE(value<QList<double>>);
OTR_INST_VALUE(value<QList<float>>);
OTR_INST_VALUE(value<QList<int>>);
OTR_INST_VALUE(value<QList<bool>>);
OTR_INST_VALUE(value<QList<QString>>);
OTR_INST_VALUE(value<QList<slider_value>>);
OTR_INST_VALUE(value<QList<QPointF>>);
OTR_INST_VALUE(value<QList<QVariant>>);
#endif
} // ns options
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