Examples: Add missing override

Change-Id: I54529fdc8013497edb98ee97863fe4a141bdbf1c
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Reviewed-by: Yoann Lopes <yoann.lopes@qt.io>

19 files changed, 46 insertions, 46 deletions

diff --git a/examples/multimedia/audioinput/audioinput.h b/examples/multimedia/audioinput/audioinput.h
index d3a949daa..b6deb361c 100644
--- a/examples/multimedia/audioinput/audioinput.h
+++ b/examples/multimedia/audioinput/audioinput.h
@@ -64,8 +64,8 @@ public:
 
     qreal level() const { return m_level; }
 
-    qint64 readData(char *data, qint64 maxlen);
-    qint64 writeData(const char *data, qint64 len);
+    qint64 readData(char *data, qint64 maxlen) override;
+    qint64 writeData(const char *data, qint64 len) override;
 
 private:
     const QAudioFormat m_format;
@@ -87,7 +87,7 @@ public:
     void setLevel(qreal value);
 
 protected:
-    void paintEvent(QPaintEvent *event);
+    void paintEvent(QPaintEvent *event) override;
 
 private:
     qreal m_level;
diff --git a/examples/multimedia/audiooutput/audiooutput.h b/examples/multimedia/audiooutput/audiooutput.h
index 7c2454209..d5c2b4cc2 100644
--- a/examples/multimedia/audiooutput/audiooutput.h
+++ b/examples/multimedia/audiooutput/audiooutput.h
@@ -65,9 +65,9 @@ public:
     void start();
     void stop();
 
-    qint64 readData(char *data, qint64 maxlen);
-    qint64 writeData(const char *data, qint64 len);
-    qint64 bytesAvailable() const;
+    qint64 readData(char *data, qint64 maxlen) override;
+    qint64 writeData(const char *data, qint64 len) override;
+    qint64 bytesAvailable() const override;
 
 private:
     void generateData(const QAudioFormat &format, qint64 durationUs, int sampleRate);
diff --git a/examples/multimedia/audiorecorder/qaudiolevel.h b/examples/multimedia/audiorecorder/qaudiolevel.h
index 5c9c84000..f8e563adc 100644
--- a/examples/multimedia/audiorecorder/qaudiolevel.h
+++ b/examples/multimedia/audiorecorder/qaudiolevel.h
@@ -53,7 +53,7 @@ public:
     void setLevel(qreal level);
 
 protected:
-    void paintEvent(QPaintEvent *event);
+    void paintEvent(QPaintEvent *event) override;
 
 private:
     qreal m_level;
diff --git a/examples/multimedia/spectrum/app/levelmeter.h b/examples/multimedia/spectrum/app/levelmeter.h
index f44da308f..075e9af96 100644
--- a/examples/multimedia/spectrum/app/levelmeter.h
+++ b/examples/multimedia/spectrum/app/levelmeter.h
@@ -57,7 +57,7 @@ public:
     explicit LevelMeter(QWidget *parent = 0);
     ~LevelMeter();
 
-    void paintEvent(QPaintEvent *event);
+    void paintEvent(QPaintEvent *event) override;
 
 public slots:
     void reset();
diff --git a/examples/multimedia/spectrum/app/mainwidget.h b/examples/multimedia/spectrum/app/mainwidget.h
index 449a021c4..c8bbce022 100644
--- a/examples/multimedia/spectrum/app/mainwidget.h
+++ b/examples/multimedia/spectrum/app/mainwidget.h
@@ -75,7 +75,7 @@ public:
     ~MainWidget();
 
     // QObject
-    void timerEvent(QTimerEvent *event);
+    void timerEvent(QTimerEvent *event) override;
 
 public slots:
     void stateChanged(QAudio::Mode mode, QAudio::State state);
diff --git a/examples/multimedia/spectrum/app/progressbar.h b/examples/multimedia/spectrum/app/progressbar.h
index 6b8032541..f6fed3f66 100644
--- a/examples/multimedia/spectrum/app/progressbar.h
+++ b/examples/multimedia/spectrum/app/progressbar.h
@@ -56,7 +56,7 @@ public:
     ~ProgressBar();
 
     void reset();
-    void paintEvent(QPaintEvent *event);
+    void paintEvent(QPaintEvent *event) override;
 
 public slots:
     void bufferLengthChanged(qint64 length);
diff --git a/examples/multimedia/spectrum/app/spectrograph.h b/examples/multimedia/spectrum/app/spectrograph.h
index c75e31416..64182feec 100644
--- a/examples/multimedia/spectrum/app/spectrograph.h
+++ b/examples/multimedia/spectrum/app/spectrograph.h
@@ -60,11 +60,11 @@ public:
     void setParams(int numBars, qreal lowFreq, qreal highFreq);
 
     // QObject
-    void timerEvent(QTimerEvent *event);
+    void timerEvent(QTimerEvent *event) override;
 
     // QWidget
-    void paintEvent(QPaintEvent *event);
-    void mousePressEvent(QMouseEvent *event);
+    void paintEvent(QPaintEvent *event) override;
+    void mousePressEvent(QMouseEvent *event) override;
 
 signals:
     void infoMessage(const QString &message, int intervalMs);
diff --git a/examples/multimedia/spectrum/app/waveform.h b/examples/multimedia/spectrum/app/waveform.h
index b49416b20..213461e92 100644
--- a/examples/multimedia/spectrum/app/waveform.h
+++ b/examples/multimedia/spectrum/app/waveform.h
@@ -64,8 +64,8 @@ public:
     ~Waveform();
 
     // QWidget
-    void paintEvent(QPaintEvent *event);
-    void resizeEvent(QResizeEvent *event);
+    void paintEvent(QPaintEvent *event) override;
+    void resizeEvent(QResizeEvent *event) override;
 
     void initialize(const QAudioFormat &format, qint64 audioBufferSize, qint64 windowDurationUs);
     void reset();
diff --git a/examples/multimediawidgets/camera/camera.h b/examples/multimediawidgets/camera/camera.h
index daef427dd..3db1347b6 100644
--- a/examples/multimediawidgets/camera/camera.h
+++ b/examples/multimediawidgets/camera/camera.h
@@ -100,9 +100,9 @@ private slots:
     void imageSaved(int id, const QString &fileName);
 
 protected:
-    void keyPressEvent(QKeyEvent *event);
-    void keyReleaseEvent(QKeyEvent *event);
-    void closeEvent(QCloseEvent *event);
+    void keyPressEvent(QKeyEvent *event) override;
+    void keyReleaseEvent(QKeyEvent *event) override;
+    void closeEvent(QCloseEvent *event) override;
 
 private:
     Ui::Camera *ui;
diff --git a/examples/multimediawidgets/camera/imagesettings.h b/examples/multimediawidgets/camera/imagesettings.h
index bdb65e2a7..31afbd2f5 100644
--- a/examples/multimediawidgets/camera/imagesettings.h
+++ b/examples/multimediawidgets/camera/imagesettings.h
@@ -69,7 +69,7 @@ public:
     void setFormat(const QString &format);
 
 protected:
-    void changeEvent(QEvent *e);
+    void changeEvent(QEvent *e) override;
 
 private:
     QVariant boxValue(const QComboBox *box) const;
diff --git a/examples/multimediawidgets/camera/videosettings.h b/examples/multimediawidgets/camera/videosettings.h
index a4e01fd4c..c4a05face 100644
--- a/examples/multimediawidgets/camera/videosettings.h
+++ b/examples/multimediawidgets/camera/videosettings.h
@@ -69,7 +69,7 @@ public:
     void setFormat(const QString &format);
 
 protected:
-    void changeEvent(QEvent *e);
+    void changeEvent(QEvent *e) override;
 
 private:
     QVariant boxValue(const QComboBox*) const;
diff --git a/examples/multimediawidgets/customvideosurface/customvideoitem/videoitem.h b/examples/multimediawidgets/customvideosurface/customvideoitem/videoitem.h
index 062dd1db8..6b971512e 100644
--- a/examples/multimediawidgets/customvideosurface/customvideoitem/videoitem.h
+++ b/examples/multimediawidgets/customvideosurface/customvideoitem/videoitem.h
@@ -55,16 +55,16 @@ public:
     explicit VideoItem(QGraphicsItem *parentItem = 0);
     ~VideoItem();
 
-    QRectF boundingRect() const;
-    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
+    QRectF boundingRect() const override;
+    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0) override;
 
     //video surface
     QList<QVideoFrame::PixelFormat> supportedPixelFormats(
-            QAbstractVideoBuffer::HandleType handleType = QAbstractVideoBuffer::NoHandle) const;
+            QAbstractVideoBuffer::HandleType handleType = QAbstractVideoBuffer::NoHandle) const override;
 
-    bool start(const QVideoSurfaceFormat &format);
-    void stop();
-    bool present(const QVideoFrame &frame);
+    bool start(const QVideoSurfaceFormat &format) override;
+    void stop() override;
+    bool present(const QVideoFrame &frame) override;
 
 private:
     QImage::Format imageFormat;
diff --git a/examples/multimediawidgets/customvideosurface/customvideoitem/videoplayer.h b/examples/multimediawidgets/customvideosurface/customvideoitem/videoplayer.h
index 5edea4ce3..1b4b07dd2 100644
--- a/examples/multimediawidgets/customvideosurface/customvideoitem/videoplayer.h
+++ b/examples/multimediawidgets/customvideosurface/customvideoitem/videoplayer.h
@@ -60,7 +60,7 @@ public:
     VideoPlayer(QWidget *parent = 0);
     ~VideoPlayer();
 
-    QSize sizeHint() const { return QSize(800, 600); }
+    QSize sizeHint() const override { return QSize(800, 600); }
 
 public slots:
     void openFile();
diff --git a/examples/multimediawidgets/customvideosurface/customvideowidget/videowidget.h b/examples/multimediawidgets/customvideosurface/customvideowidget/videowidget.h
index f769f15b8..b57754643 100644
--- a/examples/multimediawidgets/customvideosurface/customvideowidget/videowidget.h
+++ b/examples/multimediawidgets/customvideosurface/customvideowidget/videowidget.h
@@ -56,11 +56,11 @@ public:
 
     QAbstractVideoSurface *videoSurface() const { return surface; }
 
-    QSize sizeHint() const;
+    QSize sizeHint() const override;
 
 protected:
-    void paintEvent(QPaintEvent *event);
-    void resizeEvent(QResizeEvent *event);
+    void paintEvent(QPaintEvent *event) override;
+    void resizeEvent(QResizeEvent *event) override;
 
 private:
     VideoWidgetSurface *surface;
diff --git a/examples/multimediawidgets/customvideosurface/customvideowidget/videowidgetsurface.h b/examples/multimediawidgets/customvideosurface/customvideowidget/videowidgetsurface.h
index c869dbeb6..41d05b709 100644
--- a/examples/multimediawidgets/customvideosurface/customvideowidget/videowidgetsurface.h
+++ b/examples/multimediawidgets/customvideosurface/customvideowidget/videowidgetsurface.h
@@ -55,13 +55,13 @@ public:
     VideoWidgetSurface(QWidget *widget, QObject *parent = 0);
 
     QList<QVideoFrame::PixelFormat> supportedPixelFormats(
-            QAbstractVideoBuffer::HandleType handleType = QAbstractVideoBuffer::NoHandle) const;
-    bool isFormatSupported(const QVideoSurfaceFormat &format) const;
+            QAbstractVideoBuffer::HandleType handleType = QAbstractVideoBuffer::NoHandle) const override;
+    bool isFormatSupported(const QVideoSurfaceFormat &format) const override;
 
-    bool start(const QVideoSurfaceFormat &format);
-    void stop();
+    bool start(const QVideoSurfaceFormat &format) override;
+    void stop() override;
 
-    bool present(const QVideoFrame &frame);
+    bool present(const QVideoFrame &frame) override;
 
     QRect videoRect() const { return targetRect; }
     void updateVideoRect();
diff --git a/examples/multimediawidgets/player/histogramwidget.h b/examples/multimediawidgets/player/histogramwidget.h
index f979e8706..9462b1c84 100644
--- a/examples/multimediawidgets/player/histogramwidget.h
+++ b/examples/multimediawidgets/player/histogramwidget.h
@@ -70,7 +70,7 @@ public slots:
     void setHistogram(QVector<qreal> histogram);
 
 protected:
-    void paintEvent(QPaintEvent *event);
+    void paintEvent(QPaintEvent *event) override;
 
 private:
     QVector<qreal> m_histogram;
diff --git a/examples/multimediawidgets/player/playlistmodel.h b/examples/multimediawidgets/player/playlistmodel.h
index 85a1fbef0..960943f1c 100644
--- a/examples/multimediawidgets/player/playlistmodel.h
+++ b/examples/multimediawidgets/player/playlistmodel.h
@@ -60,18 +60,18 @@ public:
 
     PlaylistModel(QObject *parent = 0);
 
-    int rowCount(const QModelIndex &parent = QModelIndex()) const;
-    int columnCount(const QModelIndex &parent = QModelIndex()) const;
+    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+    int columnCount(const QModelIndex &parent = QModelIndex()) const override;
 
-    QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
-    QModelIndex parent(const QModelIndex &child) const;
+    QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override;
+    QModelIndex parent(const QModelIndex &child) const override;
 
-    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
+    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
 
     QMediaPlaylist *playlist() const;
     void setPlaylist(QMediaPlaylist *playlist);
 
-    bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::DisplayRole);
+    bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::DisplayRole) override;
 
 private slots:
     void beginInsertItems(int start, int end);
diff --git a/examples/multimediawidgets/player/videowidget.h b/examples/multimediawidgets/player/videowidget.h
index 82093c05d..00a27a78b 100644
--- a/examples/multimediawidgets/player/videowidget.h
+++ b/examples/multimediawidgets/player/videowidget.h
@@ -51,9 +51,9 @@ public:
     VideoWidget(QWidget *parent = 0);
 
 protected:
-    void keyPressEvent(QKeyEvent *event);
-    void mouseDoubleClickEvent(QMouseEvent *event);
-    void mousePressEvent(QMouseEvent *event);
+    void keyPressEvent(QKeyEvent *event) override;
+    void mouseDoubleClickEvent(QMouseEvent *event) override;
+    void mousePressEvent(QMouseEvent *event) override;
 };
 
 #endif // VIDEOWIDGET_H
diff --git a/examples/multimediawidgets/videographicsitem/videoplayer.h b/examples/multimediawidgets/videographicsitem/videoplayer.h
index 9c67e1c7e..17cb8565a 100644
--- a/examples/multimediawidgets/videographicsitem/videoplayer.h
+++ b/examples/multimediawidgets/videographicsitem/videoplayer.h
@@ -59,7 +59,7 @@ public:
     VideoPlayer(QWidget *parent = 0);
     ~VideoPlayer();
 
-    QSize sizeHint() const { return QSize(800, 600); }
+    QSize sizeHint() const override { return QSize(800, 600); }
 
 public slots:
     void openFile();