QtGui: make some constructors explicit

This is a semi-automatic search, so I'm
reasonably sure that all the exported ones
have been caught.

Change-Id: I5b122db2498dbb2aee50c7ad95c67e708aade45b
Reviewed-by: Gunnar Sletta <gunnar.sletta@nokia.com>

4 files changed, 9 insertions, 9 deletions

diff --git a/src/gui/painting/qbackingstore.h b/src/gui/painting/qbackingstore.h
index db6884f58d..ead15e7ea6 100644
--- a/src/gui/painting/qbackingstore.h
+++ b/src/gui/painting/qbackingstore.h
@@ -62,7 +62,7 @@ class QPlatformBackingStore;
 class Q_GUI_EXPORT QBackingStore
 {
 public:
-    QBackingStore(QWindow *window);
+    explicit QBackingStore(QWindow *window);
     ~QBackingStore();
 
     QWindow *window() const;
diff --git a/src/gui/painting/qpdfwriter.h b/src/gui/painting/qpdfwriter.h
index 7b0547ad45..c617521369 100644
--- a/src/gui/painting/qpdfwriter.h
+++ b/src/gui/painting/qpdfwriter.h
@@ -57,8 +57,8 @@ class Q_GUI_EXPORT QPdfWriter : public QObject, public QPagedPaintDevice
 {
     Q_OBJECT
 public:
-    QPdfWriter(const QString &filename);
-    QPdfWriter(QIODevice *device);
+    explicit QPdfWriter(const QString &filename);
+    explicit QPdfWriter(QIODevice *device);
     ~QPdfWriter();
 
     QString title() const;
diff --git a/src/gui/painting/qplatformbackingstore_qpa.h b/src/gui/painting/qplatformbackingstore_qpa.h
index 8049c64c25..042913292f 100644
--- a/src/gui/painting/qplatformbackingstore_qpa.h
+++ b/src/gui/painting/qplatformbackingstore_qpa.h
@@ -62,7 +62,7 @@ class QPlatformWindow;
 class Q_GUI_EXPORT QPlatformBackingStore
 {
 public:
-    QPlatformBackingStore(QWindow *window);
+    explicit QPlatformBackingStore(QWindow *window);
     virtual ~QPlatformBackingStore();
 
     QWindow *window() const;
diff --git a/src/gui/painting/qpolygon.h b/src/gui/painting/qpolygon.h
index 0a089d3cf3..726ed434ed 100644
--- a/src/gui/painting/qpolygon.h
+++ b/src/gui/painting/qpolygon.h
@@ -61,9 +61,9 @@ class Q_GUI_EXPORT QPolygon : public QVector<QPoint>
 public:
     inline QPolygon() {}
     inline ~QPolygon() {}
-    inline QPolygon(int size);
+    inline explicit QPolygon(int size);
     inline QPolygon(const QPolygon &a) : QVector<QPoint>(a) {}
-    inline QPolygon(const QVector<QPoint> &v) : QVector<QPoint>(v) {}
+    inline /*implicit*/ QPolygon(const QVector<QPoint> &v) : QVector<QPoint>(v) {}
     QPolygon(const QRect &r, bool closed=false);
     QPolygon(int nPoints, const int *points);
     inline void swap(QPolygon &other) { QVector<QPoint>::swap(other); } // prevent QVector<QPoint><->QPolygon swaps
@@ -135,11 +135,11 @@ class Q_GUI_EXPORT QPolygonF : public QVector<QPointF>
 public:
     inline QPolygonF() {}
     inline ~QPolygonF() {}
-    inline QPolygonF(int size);
+    inline explicit QPolygonF(int size);
     inline QPolygonF(const QPolygonF &a) : QVector<QPointF>(a) {}
-    inline QPolygonF(const QVector<QPointF> &v) : QVector<QPointF>(v) {}
+    inline /*implicit*/ QPolygonF(const QVector<QPointF> &v) : QVector<QPointF>(v) {}
     QPolygonF(const QRectF &r);
-    QPolygonF(const QPolygon &a);
+    /*implicit*/ QPolygonF(const QPolygon &a);
     inline void swap(QPolygonF &other) { QVector<QPointF>::swap(other); } // prevent QVector<QPointF><->QPolygonF swaps
 
     inline void translate(qreal dx, qreal dy);