examples: Mark ctor's as explicit

Make C++ class constructors that can be used with only one
required argument 'explicit' to minimize wrong use of the class.

Change-Id: Ida9f9c2f0c8608c35b0137b2512a6747afd69515
Reviewed-by: Mitch Curtis <mitch.curtis@nokia.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

6 files changed, 7 insertions, 7 deletions

diff --git a/examples/widgets/graphicsview/boxes/glbuffers.h b/examples/widgets/graphicsview/boxes/glbuffers.h
index 2b91915e8e..b3b1777f81 100644
--- a/examples/widgets/graphicsview/boxes/glbuffers.h
+++ b/examples/widgets/graphicsview/boxes/glbuffers.h
@@ -99,7 +99,7 @@ class GLTexture2D : public GLTexture
 {
 public:
     GLTexture2D(int width, int height);
-    GLTexture2D(const QString& fileName, int width = 0, int height = 0);
+    explicit GLTexture2D(const QString& fileName, int width = 0, int height = 0);
     void load(int width, int height, QRgb *data);
     virtual void bind();
     virtual void unbind();
@@ -120,7 +120,7 @@ class GLTextureCube : public GLTexture
 {
 public:
     GLTextureCube(int size);
-    GLTextureCube(const QStringList& fileNames, int size = 0);
+    explicit GLTextureCube(const QStringList& fileNames, int size = 0);
     void load(int size, int face, QRgb *data);
     virtual void bind();
     virtual void unbind();
diff --git a/examples/widgets/graphicsview/boxes/roundedbox.h b/examples/widgets/graphicsview/boxes/roundedbox.h
index 3edfb69fa8..0ab6766af3 100644
--- a/examples/widgets/graphicsview/boxes/roundedbox.h
+++ b/examples/widgets/graphicsview/boxes/roundedbox.h
@@ -65,7 +65,7 @@ class GLRoundedBox : public GLTriangleMesh<P3T2N3Vertex, unsigned short>
 {
 public:
     // 0 < r < 0.5, 0 <= n <= 125
-    GLRoundedBox(float r = 0.25f, float scale = 1.0f, int n = 10);
+    explicit GLRoundedBox(float r = 0.25f, float scale = 1.0f, int n = 10);
 };
 
 
diff --git a/examples/widgets/graphicsview/chip/view.h b/examples/widgets/graphicsview/chip/view.h
index 7753efff55..c688506d42 100644
--- a/examples/widgets/graphicsview/chip/view.h
+++ b/examples/widgets/graphicsview/chip/view.h
@@ -68,7 +68,7 @@ class View : public QFrame
 {
     Q_OBJECT
 public:
-    View(const QString &name, QWidget *parent = 0);
+    explicit View(const QString &name, QWidget *parent = 0);
 
     QGraphicsView *view() const;
 
diff --git a/examples/widgets/graphicsview/diagramscene/diagramscene.h b/examples/widgets/graphicsview/diagramscene/diagramscene.h
index 9f65eba890..53a34b050d 100644
--- a/examples/widgets/graphicsview/diagramscene/diagramscene.h
+++ b/examples/widgets/graphicsview/diagramscene/diagramscene.h
@@ -63,7 +63,7 @@ class DiagramScene : public QGraphicsScene
 public:
     enum Mode { InsertItem, InsertLine, InsertText, MoveItem };
 
-    DiagramScene(QMenu *itemMenu, QObject *parent = 0);
+    explicit DiagramScene(QMenu *itemMenu, QObject *parent = 0);
     QFont font() const
         { return myFont; }
     QColor textColor() const
diff --git a/examples/widgets/graphicsview/embeddeddialogs/customproxy.h b/examples/widgets/graphicsview/embeddeddialogs/customproxy.h
index c85bbaccd3..12de414d11 100644
--- a/examples/widgets/graphicsview/embeddeddialogs/customproxy.h
+++ b/examples/widgets/graphicsview/embeddeddialogs/customproxy.h
@@ -49,7 +49,7 @@ class CustomProxy : public QGraphicsProxyWidget
 {
     Q_OBJECT
 public:
-    CustomProxy(QGraphicsItem *parent = 0, Qt::WindowFlags wFlags = 0);
+    explicit CustomProxy(QGraphicsItem *parent = 0, Qt::WindowFlags wFlags = 0);
 
     QRectF boundingRect() const;
     void paintWindowFrame(QPainter *painter, const QStyleOptionGraphicsItem *option,
diff --git a/examples/widgets/graphicsview/padnavigator/flippablepad.h b/examples/widgets/graphicsview/padnavigator/flippablepad.h
index e0d1fe24e5..ce49ef1a59 100644
--- a/examples/widgets/graphicsview/padnavigator/flippablepad.h
+++ b/examples/widgets/graphicsview/padnavigator/flippablepad.h
@@ -51,7 +51,7 @@
 class FlippablePad : public RoundRectItem
 {
 public:
-    FlippablePad(const QSize &size, QGraphicsItem *parent = 0);
+    explicit FlippablePad(const QSize &size, QGraphicsItem *parent = 0);
 
     RoundRectItem *iconAt(int column, int row) const;