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>

2 files changed, 3 insertions, 3 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);
 };