Make more ctors explicit

Added explicit where it was missing. This is not a source-
incompatible change, because code that breaks by this is
a bug. Let's not have this sitting around in an LTS.

Change-Id: Ic198750717799126b4e37817845a8ee4684d631f
Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>

6 files changed, 6 insertions, 6 deletions

diff --git a/src/quick/items/qquickpainteditem.h b/src/quick/items/qquickpainteditem.h
index 85e90e7263..bb4e7f1f85 100644
--- a/src/quick/items/qquickpainteditem.h
+++ b/src/quick/items/qquickpainteditem.h
@@ -51,7 +51,7 @@ class Q_QUICK_EXPORT QQuickPaintedItem : public QQuickItem
     Q_PROPERTY(QSize textureSize READ textureSize WRITE setTextureSize NOTIFY textureSizeChanged)
 
 public:
-    QQuickPaintedItem(QQuickItem *parent = Q_NULLPTR);
+    explicit QQuickPaintedItem(QQuickItem *parent = Q_NULLPTR);
     virtual ~QQuickPaintedItem();
 
     enum RenderTarget {
diff --git a/src/quick/items/qquickrendercontrol.h b/src/quick/items/qquickrendercontrol.h
index 1132585a66..74419ecc9c 100644
--- a/src/quick/items/qquickrendercontrol.h
+++ b/src/quick/items/qquickrendercontrol.h
@@ -49,7 +49,7 @@ class Q_QUICK_EXPORT QQuickRenderControl : public QObject
     Q_OBJECT
 
 public:
-    QQuickRenderControl(QObject *parent = Q_NULLPTR);
+    explicit QQuickRenderControl(QObject *parent = Q_NULLPTR);
     ~QQuickRenderControl();
 
     void prepareThread(QThread *targetThread);
diff --git a/src/quick/items/qquickview.h b/src/quick/items/qquickview.h
index 28be948ff4..46dfe96506 100644
--- a/src/quick/items/qquickview.h
+++ b/src/quick/items/qquickview.h
@@ -56,7 +56,7 @@ class Q_QUICK_EXPORT QQuickView : public QQuickWindow
 public:
     explicit QQuickView(QWindow *parent = Q_NULLPTR);
     QQuickView(QQmlEngine* engine, QWindow *parent);
-    QQuickView(const QUrl &source, QWindow *parent = Q_NULLPTR);
+    explicit QQuickView(const QUrl &source, QWindow *parent = Q_NULLPTR);
     virtual ~QQuickView();
 
     QUrl source() const;
diff --git a/src/quick/items/qquickwindow.h b/src/quick/items/qquickwindow.h
index 92c560644e..522101c7e4 100644
--- a/src/quick/items/qquickwindow.h
+++ b/src/quick/items/qquickwindow.h
@@ -89,7 +89,7 @@ public:
     };
     Q_ENUM(SceneGraphError)
 
-    QQuickWindow(QWindow *parent = Q_NULLPTR);
+    explicit QQuickWindow(QWindow *parent = Q_NULLPTR);
     explicit QQuickWindow(QQuickRenderControl *renderControl);
 
     virtual ~QQuickWindow();
diff --git a/src/quick/scenegraph/coreapi/qsgabstractrenderer.h b/src/quick/scenegraph/coreapi/qsgabstractrenderer.h
index 2b13f94bc8..8eb16ed129 100644
--- a/src/quick/scenegraph/coreapi/qsgabstractrenderer.h
+++ b/src/quick/scenegraph/coreapi/qsgabstractrenderer.h
@@ -80,7 +80,7 @@ Q_SIGNALS:
     void sceneGraphChanged();
 
 protected:
-    QSGAbstractRenderer(QObject *parent = Q_NULLPTR);
+    explicit QSGAbstractRenderer(QObject *parent = Q_NULLPTR);
     virtual void nodeChanged(QSGNode *node, QSGNode::DirtyState state) = 0;
 
 private:
diff --git a/src/quick/scenegraph/util/qsgengine.h b/src/quick/scenegraph/util/qsgengine.h
index f49561d4b0..438c6d789b 100644
--- a/src/quick/scenegraph/util/qsgengine.h
+++ b/src/quick/scenegraph/util/qsgengine.h
@@ -57,7 +57,7 @@ public:
     };
     Q_DECLARE_FLAGS(CreateTextureOptions, CreateTextureOption)
 
-    QSGEngine(QObject *parent = Q_NULLPTR);
+    explicit QSGEngine(QObject *parent = Q_NULLPTR);
     ~QSGEngine();
 
     void initialize(QOpenGLContext *context);