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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 "value-traits.hpp"
#include "value.hpp"
#include "compat/run-in-thread.hpp"
#include "compat/macros.hpp"
#include <type_traits>
#include <QComboBox>
#include <QCheckBox>
#include <QDoubleSpinBox>
#include <QSpinBox>
#include <QSlider>
#include <QLineEdit>
#include <QLabel>
#include <QTabWidget>
#include <cmath>
#include "export.hpp"
#if defined __GNUG__
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wattributes"
#endif
namespace options {
namespace detail {
template<typename t>
struct tie_setting_traits_helper
{
using traits = detail::value_traits<t>;
using value_type = typename traits::value_type;
using element_type = typename traits::element_type;
static element_type to_element_type(const value<t>& v)
{
return static_cast<element_type>(static_cast<value_type>(v));
}
};
template<typename t, typename Enable = void>
struct tie_setting_traits final : tie_setting_traits_helper<t>
{
static constexpr inline bool should_bind_to_itemdata() { return false; }
};
template<typename t>
struct tie_setting_traits<t, std::enable_if_t<std::is_enum_v<t>>> : tie_setting_traits_helper<t>
{
static constexpr inline bool should_bind_to_itemdata() { return true; }
static t itemdata_to_value(int, const QVariant& var)
{
return static_cast<t>(var.toInt());
}
};
} // ns options::details
template<typename t, typename traits_type = detail::tie_setting_traits<t>>
std::enable_if_t<traits_type::should_bind_to_itemdata()>
tie_setting(value<t>& v, QComboBox* cb, const traits_type& traits = traits_type())
{
using element_type = typename detail::value_traits<t>::element_type;
cb->setCurrentIndex(cb->findData(traits.to_element_type(v)));
v = traits.itemdata_to_value(cb->currentIndex(), cb->currentData());
base_value::connect(cb,
static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
&v,
[&v, cb, traits](int idx)
{
run_in_thread_sync(cb,
[&, traits]() {
v = traits.itemdata_to_value(idx, cb->currentData());
});
},
v.DIRECT_CONNTYPE);
base_value::connect(&v, base_value::value_changed<element_type>(),
cb, [cb](int x) {
run_in_thread_sync(cb, [&]() { cb->setCurrentIndex(cb->findData(x)); });
},
v.DIRECT_CONNTYPE);
}
template<typename t, typename F>
void tie_setting(value<t>& v, QLabel* lb, F&& fun)
{
auto closure = [=](cv_qualified<t> x) { lb->setText(fun(x)); };
closure(v());
base_value::connect(&v, base_value::value_changed<t>(),
lb, closure,
v.SAFE_CONNTYPE);
}
template<typename t, typename F>
void tie_setting(value<t>& v, QObject* obj, F&& fun)
{
if (obj == nullptr)
abort();
fun(v());
base_value::connect(&v, base_value::value_changed<t>(),
obj, fun,
v.DIRECT_CONNTYPE);
}
// XXX TODO add combobox transform both ways via std::function
// need for non-translated `module_settings' dylib names
OTR_OPTIONS_EXPORT void tie_setting(value<int>& v, QComboBox* cb);
OTR_OPTIONS_EXPORT void tie_setting(value<QString>& v, QComboBox* cb);
OTR_OPTIONS_EXPORT void tie_setting(value<QVariant>& v, QComboBox* cb);
OTR_OPTIONS_EXPORT void tie_setting(value<bool>& v, QCheckBox* cb);
OTR_OPTIONS_EXPORT void tie_setting(value<double>& v, QDoubleSpinBox* dsb);
OTR_OPTIONS_EXPORT void tie_setting(value<int>& v, QSpinBox* sb);
OTR_OPTIONS_EXPORT void tie_setting(value<QString>& v, QLineEdit* le);
OTR_OPTIONS_EXPORT void tie_setting(value<QString>& v, QLabel* lb);
OTR_OPTIONS_EXPORT void tie_setting(value<int>& v, QTabWidget* t);
OTR_OPTIONS_EXPORT void tie_setting(value<slider_value>& v, QSlider* w);
} // ns options
#if defined __GNUG__
# pragma GCC diagnostic pop
#endif
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