bool GCUserView::maybeTip(const QPoint &pos)
{
	Q3ListViewItem *qlvi = itemAt(pos);
	if(!qlvi || !qlvi->parent())
		return false;

	GCUserViewItem *lvi = (GCUserViewItem *) qlvi;
	QRect r(itemRect(lvi));

	const QString &nick = lvi->text(0);
	const Status &s = lvi->s;
	UserListItem u;
	// SICK SICK SICK SICK
	GCMainDlg* dlg = gcDlg_;
	if (!dlg) {
		qDebug("Calling maybetip on an entity without an owning dialog");
		return false;
	}
	u.setJid(dlg->jid().withResource(nick));
	u.setName(nick);

	// Find out capabilities info
	Jid caps_jid(s.mucItem().jid().isEmpty() ? dlg->jid().withResource(nick) : s.mucItem().jid());
	QString client_name = dlg->account()->capsManager()->clientName(caps_jid);
	QString client_version = (client_name.isEmpty() ? QString() : dlg->account()->capsManager()->clientVersion(caps_jid));

	// make a resource so the contact appears online
	UserResource ur;
	ur.setName(nick);
	ur.setStatus(s);
	ur.setClient(client_name,client_version,"");
	u.userResourceList().append(ur);

	PsiToolTip::showText(mapToGlobal(pos), u.makeTip(), this);
	return true;
}

	void paintContact(QPainter* mp, const QStyleOptionViewItem& option, const QModelIndex& index, GCUserViewItem* item) const
	{
		mp->save();
		QStyleOptionViewItem o = option;
		QPalette palette = o.palette;
		MUCItem::Role r = item->s.mucItem().role();
		QRect rect = o.rect;

		if(nickColoring_) {
			if(r == MUCItem::Moderator)
				palette.setColor(QPalette::Text, colorModerator_);
			else if(r == MUCItem::Participant)
				palette.setColor(QPalette::Text, colorParticipant_);
			else if(r == MUCItem::Visitor)
				palette.setColor(QPalette::Text, colorVisitor_);
			else
				palette.setColor(QPalette::Text, colorNoRole_);
		}

		mp->fillRect(rect, (o.state & QStyle::State_Selected) ? palette.color(QPalette::Highlight) : palette.color(QPalette::Base));

		if(showAvatar_) {
			QPixmap ava = item->avatar();
			if(ava.isNull()) {
				ava = IconsetFactory::iconPixmap("psi/default_avatar");
			}
			ava = AvatarFactory::roundedAvatar(ava, avatarRadius_, avatarSize_);
			QRect avaRect(rect);
			avaRect.setWidth(ava.width());
			avaRect.setHeight(ava.height());
			if(!avatarAtLeft_) {
				avaRect.moveTopRight(rect.topRight());
				avaRect.translate(-1, 1);
				rect.setRight(avaRect.left() - 1);
			}
			else {
				avaRect.translate(1, 1);
				rect.setLeft(avaRect.right() + 1);
			}
			mp->drawPixmap(avaRect, ava);
		}

		QPixmap status = showStatusIcons_ ? item->icon() : QPixmap();
		int h = rect.height();
		int sh = status.isNull() ? 0 : status.height();
		rect.setHeight(qMax(sh, fontHeight_));
		rect.moveTop(rect.top() + (h - rect.height())/2);
		if(!status.isNull()) {
			QRect statusRect(rect);
			statusRect.setWidth(status.width());
			statusRect.setHeight(status.height());
			statusRect.translate(1, 1);
			mp->drawPixmap(statusRect, status);
			rect.setLeft(statusRect.right() + 2);
		}
		else
			rect.setLeft(rect.left() + 2);

		mp->setPen(QPen((o.state & QStyle::State_Selected) ? palette.color(QPalette::HighlightedText) : palette.color(QPalette::Text)));
		mp->setFont(o.font);
		mp->setClipRect(rect);
		QTextOption to;
		to.setWrapMode(QTextOption::NoWrap);
		mp->drawText(rect, index.data(Qt::DisplayRole).toString(), to);

		QList<QPixmap> rightPixs;

		if(showAffiliations_) {
			MUCItem::Affiliation a = item->s.mucItem().affiliation();
			QPixmap pix;
			if(a == MUCItem::Owner)
				pix = IconsetFactory::iconPixmap("affiliation/owner");
			else if(a == MUCItem::Admin)
				pix = IconsetFactory::iconPixmap("affiliation/admin");
			else if(a == MUCItem::Member)
				pix = IconsetFactory::iconPixmap("affiliation/member");
			else if(a == MUCItem::Outcast)
				pix = IconsetFactory::iconPixmap("affiliation/outcast");
			else
				pix = IconsetFactory::iconPixmap("affiliation/noaffiliation");
			if(!pix.isNull())
				rightPixs.push_back(pix);
		}

		if(showClients_) {
			GCUserView *gcuv = (GCUserView*)item->treeWidget();
			GCMainDlg* dlg = gcuv->mainDlg();
			QPixmap clientPix;
			if(dlg) {
				UserListItem u;
				const QString &nick = item->text(0);
				Jid caps_jid(/*s.mucItem().jid().isEmpty() ? */ dlg->jid().withResource(nick) /* : s.mucItem().jid()*/);
				CapsManager *cm = dlg->account()->client()->capsManager();
				QString client_name = cm->clientName(caps_jid);
				QString client_version = (client_name.isEmpty() ? QString() : cm->clientVersion(caps_jid));
				UserResource ur;
				ur.setStatus(item->s);
				ur.setClient(client_name,client_version,"");
				u.userResourceList().append(ur);
				QStringList clients = u.clients();
//.........这里部分代码省略.........

/**
 * Helper function to add resource to the menu.
 */
void ResourceMenu::addResource(const UserResource &r)
{
	addResource(r.status().type(), r.name());
}

bool operator>=(const UserResource &r1, const UserResource &r2)
{
	return r1.priority() <= r2.priority();
}