Method UpdateFormatOptions

src/gui/idlepanel.cc:664–786

    }

    void UpdateFormatOptions()
    {
        int formatSelection = formatChoice->GetSelection();
        _currentlyDisplayedFormat = formatSelection;

        try
        {
            PrepareConfig();
            globalConfig().combined();
        }
        catch (const InapplicableOptionException& e)
        {
            /* The current set of options is invalid for some reason. Just
             * swallow the errors. */
        }
        catch (const ErrorException& e)
        {
            /* This really isn't supposed to happen, but sometimes does and
             * it crashes the whole program. */
            return;
        }

        assert(!wxGetApp().IsWorkerThreadRunning());

        formatOptionsContainer->DestroyChildren();
        auto* sizer = new wxBoxSizer(wxVERTICAL);

        if (formatSelection == wxNOT_FOUND)
            sizer->Add(new wxStaticText(
                formatOptionsContainer, wxID_ANY, "(no format selected)"));
        else
        {
            std::string formatName = _formatNames[formatChoice->GetSelection()];

            for (auto& group : globalConfig()->option_group())
            {
                std::string groupName = group.comment();
                if (groupName == "$formats")
                    groupName = "Formats";
                sizer->Add(new wxStaticText(
                    formatOptionsContainer, wxID_ANY, groupName + ":"));

                bool first = true;
                bool valueSet = false;
                wxRadioButton* defaultButton = nullptr;
                for (auto& option : group.option())
                {
                    auto* rb = new wxRadioButton(formatOptionsContainer,
                        wxID_ANY,
                        option.comment(),
                        wxDefaultPosition,
                        wxDefaultSize,
                        first ? wxRB_GROUP : 0);
                    auto key = std::make_pair(formatName, option.name());
                    sizer->Add(rb);

                    rb->Bind(wxEVT_RADIOBUTTON,
                        [=](wxCommandEvent& e)