Make all handler constructors explicit

Change-Id: I17b3865d70bdc07912d7454b459dea40b9c98df0
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>

7 files changed, 7 insertions, 7 deletions

diff --git a/src/quick/handlers/qquickdraghandler_p.h b/src/quick/handlers/qquickdraghandler_p.h
index 6250615091..cfccc19115 100644
--- a/src/quick/handlers/qquickdraghandler_p.h
+++ b/src/quick/handlers/qquickdraghandler_p.h
@@ -93,7 +93,7 @@ class Q_AUTOTEST_EXPORT QQuickDragHandler : public QQuickPointerSingleHandler
     Q_PROPERTY(QPointF translation READ translation NOTIFY translationChanged)
 
 public:
-    QQuickDragHandler(QObject *parent = 0);
+    explicit QQuickDragHandler(QObject *parent = 0);
     ~QQuickDragHandler();
 
     void handleEventPoint(QQuickEventPoint *point) override;
diff --git a/src/quick/handlers/qquickmultipointerhandler_p.h b/src/quick/handlers/qquickmultipointerhandler_p.h
index 2a23a14f8a..d6d660ec04 100644
--- a/src/quick/handlers/qquickmultipointerhandler_p.h
+++ b/src/quick/handlers/qquickmultipointerhandler_p.h
@@ -65,7 +65,7 @@ class Q_AUTOTEST_EXPORT QQuickMultiPointerHandler : public QQuickPointerDeviceHa
     Q_PROPERTY(qreal pointDistanceThreshold READ pointDistanceThreshold WRITE setPointDistanceThreshold NOTIFY pointDistanceThresholdChanged)
 
 public:
-    QQuickMultiPointerHandler(QObject *parent = 0, int requiredPointCount = 2);
+    explicit QQuickMultiPointerHandler(QObject *parent = 0, int requiredPointCount = 2);
     ~QQuickMultiPointerHandler();
 
     int requiredPointCount() const { return m_requiredPointCount; }
diff --git a/src/quick/handlers/qquickpinchhandler_p.h b/src/quick/handlers/qquickpinchhandler_p.h
index 0861368682..d788e2cb36 100644
--- a/src/quick/handlers/qquickpinchhandler_p.h
+++ b/src/quick/handlers/qquickpinchhandler_p.h
@@ -81,7 +81,7 @@ public:
     };
     Q_ENUM(PinchOrigin)
 
-    QQuickPinchHandler(QObject *parent = 0);
+    explicit QQuickPinchHandler(QObject *parent = 0);
     ~QQuickPinchHandler();
 
     qreal minimumScale() const { return m_minimumScale; }
diff --git a/src/quick/handlers/qquickpointerdevicehandler_p.h b/src/quick/handlers/qquickpointerdevicehandler_p.h
index 2e126381b0..2ca7310da8 100644
--- a/src/quick/handlers/qquickpointerdevicehandler_p.h
+++ b/src/quick/handlers/qquickpointerdevicehandler_p.h
@@ -63,7 +63,7 @@ class Q_AUTOTEST_EXPORT QQuickPointerDeviceHandler : public QQuickPointerHandler
     Q_PROPERTY(Qt::MouseButtons acceptedButtons READ acceptedButtons WRITE setAcceptedButtons NOTIFY acceptedButtonsChanged)
 
 public:
-    QQuickPointerDeviceHandler(QObject *parent = 0);
+    explicit QQuickPointerDeviceHandler(QObject *parent = 0);
     ~QQuickPointerDeviceHandler();
 
     QQuickPointerDevice::DeviceTypes acceptedDevices() const { return m_acceptedDevices; }
diff --git a/src/quick/handlers/qquickpointerhandler_p.h b/src/quick/handlers/qquickpointerhandler_p.h
index 715000114e..b5da8cba1f 100644
--- a/src/quick/handlers/qquickpointerhandler_p.h
+++ b/src/quick/handlers/qquickpointerhandler_p.h
@@ -69,7 +69,7 @@ class Q_QUICK_PRIVATE_EXPORT QQuickPointerHandler : public QObject
     Q_PROPERTY(QQuickItem * parent READ parentItem CONSTANT)
 
 public:
-    QQuickPointerHandler(QObject *parent = 0);
+    explicit QQuickPointerHandler(QObject *parent = 0);
     virtual ~QQuickPointerHandler();
 
 public:
diff --git a/src/quick/handlers/qquickpointersinglehandler_p.h b/src/quick/handlers/qquickpointersinglehandler_p.h
index ca907e7489..a82ec72ad6 100644
--- a/src/quick/handlers/qquickpointersinglehandler_p.h
+++ b/src/quick/handlers/qquickpointersinglehandler_p.h
@@ -72,7 +72,7 @@ class Q_QUICK_PRIVATE_EXPORT QQuickPointerSingleHandler : public QQuickPointerDe
     Q_PROPERTY(QSizeF ellipseDiameters READ ellipseDiameters NOTIFY eventPointHandled)
 
 public:
-    QQuickPointerSingleHandler(QObject *parent = 0);
+    explicit QQuickPointerSingleHandler(QObject *parent = 0);
     virtual ~QQuickPointerSingleHandler() { }
 
     Qt::MouseButtons pressedButtons() const { return m_pressedButtons; }
diff --git a/src/quick/handlers/qquicktaphandler_p.h b/src/quick/handlers/qquicktaphandler_p.h
index 5956a7f185..115effa3f7 100644
--- a/src/quick/handlers/qquicktaphandler_p.h
+++ b/src/quick/handlers/qquicktaphandler_p.h
@@ -75,7 +75,7 @@ public:
     };
     Q_ENUM(GesturePolicy)
 
-    QQuickTapHandler(QObject *parent = 0);
+    explicit QQuickTapHandler(QObject *parent = 0);
     ~QQuickTapHandler();
 
     bool wantsEventPoint(QQuickEventPoint *point) override;