Method Paint

Telegram/SourceFiles/dialogs/ui/dialogs_layout.cpp:1051–1188

}

void RowPainter::Paint(
		Painter &p,
		not_null<const Row*> row,
		VideoUserpic *videoUserpic,
		const PaintContext &context) {
	const auto entry = row->entry();
	const auto history = row->history();
	const auto thread = row->thread();
	const auto sublist = row->sublist();
	const auto peer = history ? history->peer.get() : nullptr;
	const auto badgesState = entry->chatListBadgesState();
	entry->chatListPreloadData(); // Allow chat list message resolve.
	const auto item = entry->chatListMessage();
	const auto cloudDraft = [&]() -> const Data::Draft*{
		if (!thread) {
			return nullptr;
		}
		if ((!peer
				|| (!peer->displayAsForum() && !peer->amMonoforumAdmin()))
			&& (!item || !badgesState.unread)) {
			// Draw item, if there are unread messages.
			const auto draft = thread->owningHistory()->cloudDraft(
				thread->topicRootId(),
				thread->monoforumPeerId());
			if (!Data::DraftIsNull(draft)) {
				return draft;
			}
		}
		return nullptr;
	}();
	const auto displayDate = [&]() -> TimeId {
		const auto itemDate = item ? item->date() : TimeId(0);
		const auto draftDate = cloudDraft ? cloudDraft->date : TimeId(0);
		return std::max(itemDate, draftDate);
	}();
	const auto displayPinnedIcon = badgesState.empty()
		&& entry->isPinnedDialog(context.filter)
		&& (context.filter || !entry->fixedOnTopIndex());

	const auto from = history
		? (history->peer->migrateTo()
			? history->peer->migrateTo()
			: history->peer.get())
		: sublist
		? sublist->sublistPeer().get()
		: nullptr;
	const auto allowUserOnline = true;// !context.narrow || badgesState.empty();
	const auto flags = (allowUserOnline ? Flag::AllowUserOnline : Flag(0))
		| ((sublist && !sublist->parentChat() && from->isSelf())
			? Flag::MyNotes
			: (peer && peer->isSelf())
			? Flag::SavedMessages
			: Flag(0))
		| ((from && from->isRepliesChat())
			? Flag::RepliesMessages
			: Flag(0))
		| ((from && from->isVerifyCodes())
			? Flag::VerifyCodes