chatdialog.h Example File
network/network-chat/chatdialog.h

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 #ifndef CHATDIALOG_H
 #define CHATDIALOG_H

 #include "ui_chatdialog.h"
 #include "client.h"

 class ChatDialog : public QDialog, private Ui::ChatDialog
 {
     Q_OBJECT

 public:
     ChatDialog(QWidget *parent = 0);

 public slots:
     void appendMessage(const QString &from, const QString &message);

 private slots:
     void returnPressed();
     void newParticipant(const QString &nick);
     void participantLeft(const QString &nick);
     void showInformation();

 private:
     Client client;
     QString myNickName;
     QTextTableFormat tableFormat;
 };

 #endif