Method EnsureSelectedTypeIsVisible

src/picker_gui.cpp:724–742

}

void PickerWindow::EnsureSelectedTypeIsVisible()
{
	if (!this->has_type_picker) return;
	if (this->types.empty()) {
		this->GetWidget<NWidgetMatrix>(WID_PW_TYPE_MATRIX)->SetClicked(-1);
		return;
	}

	int class_index = this->callbacks.GetSelectedClass();
	int index = this->callbacks.GetSelectedType();

	auto it = std::ranges::find_if(this->types, [class_index, index](const auto &item) { return item.class_index == class_index && item.index == index; });
	int pos = -1;
	if (it != std::end(this->types)) {
		pos = static_cast<int>(std::distance(std::begin(this->types), it));
	}

	this->GetWidget<NWidgetMatrix>(WID_PW_TYPE_MATRIX)->SetClicked(pos);
}

/** Create nested widgets for the class picker widgets. */
std::unique_ptr<NWidgetBase> MakePickerClassWidgets()