Method createMultiSelect

Telegram/SourceFiles/boxes/peer_lists_box.cpp:82–129

}

void PeerListsBox::createMultiSelect() {
	Expects(_select == nullptr);

	auto entity = object_ptr<Ui::MultiSelect>(
		this,
		(firstController()->selectSt()
			? *firstController()->selectSt()
			: st::defaultMultiSelect),
		tr::lng_participant_filter());
	_select.create(this, std::move(entity));
	_select->heightValue(
	) | rpl::on_next(
		[this] { updateScrollSkips(); },
		lifetime());
	_select->entity()->setSubmittedCallback([=](Qt::KeyboardModifiers) {
		for (const auto &list : _lists) {
			if (list.content->submitted()) {
				break;
			}
		}
	});
	_select->entity()->setQueryChangedCallback([=](const QString &query) {
		searchQueryChanged(query);
	});
	_select->entity()->setItemRemovedCallback([=](uint64 itemId) {
		for (const auto &list : _lists) {
			if (list.controller->handleDeselectForeignRow(itemId)) {
				return;
			}
		}
		const auto session = &firstController()->session();
		if (const auto peer = session->data().peerLoaded(PeerId(itemId))) {
			const auto id = peer->id;
			for (const auto &list : _lists) {
				if (const auto row = list.delegate->peerListFindRow(id.value)) {
					list.content->changeCheckState(
						row,
						false,
						anim::type::normal);
					update();
				}
				list.controller->itemDeselectedHook(peer);
			}
		}
	});
	_select->resizeToWidth(firstController()->contentWidth());
	_select->moveToLeft(0, 0);
}

int PeerListsBox::getTopScrollSkip() const {
	auto result = 0;