3 files changed, 7 insertions, 7 deletions
diff --git a/examples/serialport/terminal/console.h b/examples/serialport/terminal/console.h
index 03b0fb1..0674ded 100644
--- a/examples/serialport/terminal/console.h
+++ b/examples/serialport/terminal/console.h
@@ -62,17 +62,17 @@ signals:
     void getData(const QByteArray &data);
 
 public:
-    explicit Console(QWidget *parent = 0);
+    explicit Console(QWidget *parent = nullptr);
 
     void putData(const QByteArray &data);
 
     void setLocalEchoEnabled(bool set);
 
 protected:
-    virtual void keyPressEvent(QKeyEvent *e);
-    virtual void mousePressEvent(QMouseEvent *e);
-    virtual void mouseDoubleClickEvent(QMouseEvent *e);
-    virtual void contextMenuEvent(QContextMenuEvent *e);
+    void keyPressEvent(QKeyEvent *e) Q_DECL_OVERRIDE;
+    void mousePressEvent(QMouseEvent *e) Q_DECL_OVERRIDE;
+    void mouseDoubleClickEvent(QMouseEvent *e) Q_DECL_OVERRIDE;
+    void contextMenuEvent(QContextMenuEvent *e) Q_DECL_OVERRIDE;
 
 private:
     bool localEchoEnabled;
diff --git a/examples/serialport/terminal/mainwindow.h b/examples/serialport/terminal/mainwindow.h
index 9e8c1c1..b792895 100644
--- a/examples/serialport/terminal/mainwindow.h
+++ b/examples/serialport/terminal/mainwindow.h
@@ -76,7 +76,7 @@ class MainWindow : public QMainWindow
     Q_OBJECT
 
 public:
-    explicit MainWindow(QWidget *parent = 0);
+    explicit MainWindow(QWidget *parent = nullptr);
     ~MainWindow();
 
 private slots:
diff --git a/examples/serialport/terminal/settingsdialog.h b/examples/serialport/terminal/settingsdialog.h
index da17565..ea249c1 100644
--- a/examples/serialport/terminal/settingsdialog.h
+++ b/examples/serialport/terminal/settingsdialog.h
@@ -87,7 +87,7 @@ public:
         bool localEchoEnabled;
     };
 
-    explicit SettingsDialog(QWidget *parent = 0);
+    explicit SettingsDialog(QWidget *parent = nullptr);
     ~SettingsDialog();
 
     Settings settings() const;