Examples: Replace 'Q_DECL_OVERRIDE' by 'override'

Examples should demonstrate best practice, and we can use the keyword
directly nowadays.

Change-Id: I1f122e5caceca17290757ffbaf3d660e7daa9ae4
Reviewed-by: Topi Reiniö <topi.reinio@theqtcompany.com>

4 files changed, 9 insertions, 9 deletions

diff --git a/examples/gui/analogclock/main.cpp b/examples/gui/analogclock/main.cpp
index 29b21410e3..053ccb54b5 100644
--- a/examples/gui/analogclock/main.cpp
+++ b/examples/gui/analogclock/main.cpp
@@ -59,8 +59,8 @@ public:
     AnalogClockWindow();
 
 protected:
-    void timerEvent(QTimerEvent *) Q_DECL_OVERRIDE;
-    void render(QPainter *p) Q_DECL_OVERRIDE;
+    void timerEvent(QTimerEvent *) override;
+    void render(QPainter *p) override;
 
 private:
     int m_timerId;
diff --git a/examples/gui/openglwindow/main.cpp b/examples/gui/openglwindow/main.cpp
index ba56ba39f5..90c93f0d37 100644
--- a/examples/gui/openglwindow/main.cpp
+++ b/examples/gui/openglwindow/main.cpp
@@ -63,8 +63,8 @@ class TriangleWindow : public OpenGLWindow
 public:
     TriangleWindow();
 
-    void initialize() Q_DECL_OVERRIDE;
-    void render() Q_DECL_OVERRIDE;
+    void initialize() override;
+    void render() override;
 
 private:
     GLuint m_posAttr;
diff --git a/examples/gui/openglwindow/openglwindow.h b/examples/gui/openglwindow/openglwindow.h
index 820eaf1b8f..276f94f84c 100644
--- a/examples/gui/openglwindow/openglwindow.h
+++ b/examples/gui/openglwindow/openglwindow.h
@@ -77,9 +77,9 @@ public slots:
     void renderNow();
 
 protected:
-    bool event(QEvent *event) Q_DECL_OVERRIDE;
+    bool event(QEvent *event) override;
 
-    void exposeEvent(QExposeEvent *event) Q_DECL_OVERRIDE;
+    void exposeEvent(QExposeEvent *event) override;
 
 private:
     bool m_update_pending;
diff --git a/examples/gui/rasterwindow/rasterwindow.h b/examples/gui/rasterwindow/rasterwindow.h
index f03975a808..be640814d4 100644
--- a/examples/gui/rasterwindow/rasterwindow.h
+++ b/examples/gui/rasterwindow/rasterwindow.h
@@ -67,10 +67,10 @@ public slots:
     void renderNow();
 
 protected:
-    bool event(QEvent *event) Q_DECL_OVERRIDE;
+    bool event(QEvent *event) override;
 
-    void resizeEvent(QResizeEvent *event) Q_DECL_OVERRIDE;
-    void exposeEvent(QExposeEvent *event) Q_DECL_OVERRIDE;
+    void resizeEvent(QResizeEvent *event) override;
+    void exposeEvent(QExposeEvent *event) override;
 
 private:
     QBackingStore *m_backingStore;