Method BuildPickerClassList

src/picker_gui.cpp:571–595

Builds the filter list of classes. */

/** Builds the filter list of classes. */
void PickerWindow::BuildPickerClassList()
{
	if (!this->classes.NeedRebuild()) return;

	int count = this->callbacks.GetClassCount();

	this->classes.clear();
	this->classes.reserve(count);

	bool filter_used = HasBit(this->callbacks.mode, PFM_USED);
	bool filter_saved = HasBit(this->callbacks.mode, PFM_SAVED);
	for (int i = 0; i < count; i++) {
		if (this->callbacks.GetClassName(i) == INVALID_STRING_ID) continue;
		if (filter_used && std::none_of(std::begin(this->callbacks.used), std::end(this->callbacks.used), [i](const PickerItem &item) { return item.class_index == i; })) continue;
		if (filter_saved && std::none_of(std::begin(this->callbacks.saved), std::end(this->callbacks.saved), [i](const PickerItem &item) { return item.class_index == i; })) continue;
		this->classes.emplace_back(i);
	}

	this->classes.Filter(this->class_string_filter);
	this->classes.RebuildDone();
	this->classes.Sort();

	if (!this->has_class_picker) return;
	this->GetScrollbar(WID_PW_CLASS_SCROLL)->SetCount(this->classes.size());
}

void PickerWindow::EnsureSelectedClassIsValid()
{