void DisplayedElementsModel::setSelection(
const Selection & s)
{
for_each_in_tuple(elements(), [&] (auto elt) {
elt->selection.set(s.contains(elt.data())); // OPTIMIZEME
});
}
Selection BaseScenario::selectedChildren() const
{
Selection s;
for_each_in_tuple(elements(), [&] (auto elt) {
if(elt->selection.get())
s.append(elt);
});
return s;
}
void setupDefaultSettings(QSettings& set, const T& tuple, Model& model)
{
for_each_in_tuple(tuple, [&] (auto& e) {
using type = std::remove_reference_t<decltype(e)>;
using data_type = typename type::data_type;
using param_type = typename type::parameter_type;
// If we cannot find the key, it means that it's a new setting.
// Hence we set the default value both in the QSettings and in the model.
if(!set.contains(e.key))
{
set.setValue(e.key, QVariant::fromValue(e.def));
(model.*param_type::set())(e.def);
}
else
{
// We fetch the value from the settings.
auto val = set.value(e.key).template value<data_type>();
(model.*param_type::set())(val);
}
});
}
int main()
{
std::tuple<int, double, std::string> t{42, 3.14, "Hello World!"};
for_each_in_tuple(t, my_functor());
}
