void MainWindow::checkTextSettings()
{
    QFont consfont;
    if (consfont.fromString(settings.consolefont))
    {
        if (consfont!=consolebrowser->font())
            consolebrowser->setFont(consfont);
    }
    QFont textfont;
    if (textfont.fromString(settings.chatfont))
    {
        QHashIterator<QString, IrcTextBrowser *> chans(channelsJoined);
        while (chans.hasNext())
        {
            chans.next();
            IrcTextBrowser * brwsr = chans.value();
            brwsr->setFont(textfont);
        }

        QHashIterator<QString, MessageDialog *> chats(usersChatting);
        while (chats.hasNext())
        {
            chats.next();
            MessageDialog *msgdlg = chats.value();
            msgdlg->setFont(textfont);
        }
    }
}
void MainWindow::userDoubleClicked(const QString &nick)
{
    if (!usersChatting.contains(nick))
    {
        MessageDialog *msgdlg = new MessageDialog(nick, 0);
        connect(msgdlg, SIGNAL(messageReady(QString,QString)), irc, SLOT(sendMessage(QString,QString)));

        QFont chatfont;
        if (chatfont.fromString(settings.chatfont))
            msgdlg->setFont(chatfont);

        msgdlg->show();
        usersChatting.insert(nick, msgdlg);
    }

    MessageDialog *msgdlg = usersChatting.value(nick);
    if (msgdlg)
        msgdlg->show();
}