Use nullptr rather than 0 for null pointers

Change-Id: I2921298ad2e04001bdee8824c56f01c203efb7d6
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Reviewed-by: Andrei Golubev <andrei.golubev@qt.io>
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>

21 files changed, 28 insertions, 29 deletions

diff --git a/examples/qml/referenceexamples/attached/person.h b/examples/qml/referenceexamples/attached/person.h
index 239f4405c0..7283f39f61 100644
--- a/examples/qml/referenceexamples/attached/person.h
+++ b/examples/qml/referenceexamples/attached/person.h
@@ -63,7 +63,7 @@ class ShoeDescription : public QObject
     Q_PROPERTY(qreal price READ price WRITE setPrice)
     QML_ANONYMOUS
 public:
-    ShoeDescription(QObject *parent = 0);
+    ShoeDescription(QObject *parent = nullptr);
 
     int size() const;
     void setSize(int);
diff --git a/examples/qml/tutorials/extending-qml/chapter1-basics/piechart.h b/examples/qml/tutorials/extending-qml/chapter1-basics/piechart.h
index 687f8e2b4d..b2a0f60893 100644
--- a/examples/qml/tutorials/extending-qml/chapter1-basics/piechart.h
+++ b/examples/qml/tutorials/extending-qml/chapter1-basics/piechart.h
@@ -62,7 +62,7 @@ class PieChart : public QQuickPaintedItem
     QML_ELEMENT
 
 public:
-    PieChart(QQuickItem *parent = 0);
+    PieChart(QQuickItem *parent = nullptr);
 
     QString name() const;
     void setName(const QString &name);
diff --git a/examples/qml/tutorials/extending-qml/chapter2-methods/piechart.h b/examples/qml/tutorials/extending-qml/chapter2-methods/piechart.h
index 271afbf653..ca5bede67f 100644
--- a/examples/qml/tutorials/extending-qml/chapter2-methods/piechart.h
+++ b/examples/qml/tutorials/extending-qml/chapter2-methods/piechart.h
@@ -65,7 +65,7 @@ class PieChart : public QQuickPaintedItem
 public:
 //![1]
 
-    PieChart(QQuickItem *parent = 0);
+    PieChart(QQuickItem *parent = nullptr);
 
     QString name() const;
     void setName(const QString &name);
diff --git a/examples/qml/tutorials/extending-qml/chapter3-bindings/piechart.h b/examples/qml/tutorials/extending-qml/chapter3-bindings/piechart.h
index 58b1339298..5ff895b6b6 100644
--- a/examples/qml/tutorials/extending-qml/chapter3-bindings/piechart.h
+++ b/examples/qml/tutorials/extending-qml/chapter3-bindings/piechart.h
@@ -66,7 +66,7 @@ class PieChart : public QQuickPaintedItem
 public:
 //![1]
 
-    PieChart(QQuickItem *parent = 0);
+    PieChart(QQuickItem *parent = nullptr);
 
     QString name() const;
     void setName(const QString &name);
diff --git a/examples/qml/tutorials/extending-qml/chapter4-customPropertyTypes/piechart.h b/examples/qml/tutorials/extending-qml/chapter4-customPropertyTypes/piechart.h
index 855ad7ae3a..885391c3a3 100644
--- a/examples/qml/tutorials/extending-qml/chapter4-customPropertyTypes/piechart.h
+++ b/examples/qml/tutorials/extending-qml/chapter4-customPropertyTypes/piechart.h
@@ -67,7 +67,7 @@ class PieChart : public QQuickItem
 public:
 //![1]
 
-    PieChart(QQuickItem *parent = 0);
+    PieChart(QQuickItem *parent = nullptr);
 
     QString name() const;
     void setName(const QString &name);
diff --git a/examples/qml/tutorials/extending-qml/chapter4-customPropertyTypes/pieslice.h b/examples/qml/tutorials/extending-qml/chapter4-customPropertyTypes/pieslice.h
index 6e64917851..9f8a66734b 100644
--- a/examples/qml/tutorials/extending-qml/chapter4-customPropertyTypes/pieslice.h
+++ b/examples/qml/tutorials/extending-qml/chapter4-customPropertyTypes/pieslice.h
@@ -61,7 +61,7 @@ class PieSlice : public QQuickPaintedItem
     QML_ELEMENT
 
 public:
-    PieSlice(QQuickItem *parent = 0);
+    PieSlice(QQuickItem *parent = nullptr);
 
     QColor color() const;
     void setColor(const QColor &color);
diff --git a/examples/qml/tutorials/extending-qml/chapter5-listproperties/piechart.h b/examples/qml/tutorials/extending-qml/chapter5-listproperties/piechart.h
index 236fa6796f..917d5f992f 100644
--- a/examples/qml/tutorials/extending-qml/chapter5-listproperties/piechart.h
+++ b/examples/qml/tutorials/extending-qml/chapter5-listproperties/piechart.h
@@ -66,7 +66,7 @@ class PieChart : public QQuickItem
 //![1]
 public:
 //![1]
-    PieChart(QQuickItem *parent = 0);
+    PieChart(QQuickItem *parent = nullptr);
 
     QString name() const;
     void setName(const QString &name);
diff --git a/examples/qml/tutorials/extending-qml/chapter5-listproperties/pieslice.h b/examples/qml/tutorials/extending-qml/chapter5-listproperties/pieslice.h
index 0b290851f0..89f23ea8a8 100644
--- a/examples/qml/tutorials/extending-qml/chapter5-listproperties/pieslice.h
+++ b/examples/qml/tutorials/extending-qml/chapter5-listproperties/pieslice.h
@@ -64,7 +64,7 @@ class PieSlice : public QQuickPaintedItem
 //![0]
 
 public:
-    PieSlice(QQuickItem *parent = 0);
+    PieSlice(QQuickItem *parent = nullptr);
 
     QColor color() const;
     void setColor(const QColor &color);
diff --git a/examples/qml/tutorials/extending-qml/chapter6-plugins/import/piechart.h b/examples/qml/tutorials/extending-qml/chapter6-plugins/import/piechart.h
index e6b768b274..fbded1e3a2 100644
--- a/examples/qml/tutorials/extending-qml/chapter6-plugins/import/piechart.h
+++ b/examples/qml/tutorials/extending-qml/chapter6-plugins/import/piechart.h
@@ -62,7 +62,7 @@ class PieChart : public QQuickItem
     QML_ELEMENT
 
 public:
-    PieChart(QQuickItem *parent = 0);
+    PieChart(QQuickItem *parent = nullptr);
 
     QString name() const;
     void setName(const QString &name);
diff --git a/examples/qml/tutorials/extending-qml/chapter6-plugins/import/pieslice.h b/examples/qml/tutorials/extending-qml/chapter6-plugins/import/pieslice.h
index 091870bd51..c8c02a839a 100644
--- a/examples/qml/tutorials/extending-qml/chapter6-plugins/import/pieslice.h
+++ b/examples/qml/tutorials/extending-qml/chapter6-plugins/import/pieslice.h
@@ -62,7 +62,7 @@ class PieSlice : public QQuickPaintedItem
     QML_ELEMENT
 
 public:
-    PieSlice(QQuickItem *parent = 0);
+    PieSlice(QQuickItem *parent = nullptr);
 
     QColor color() const;
     void setColor(const QColor &color);
diff --git a/examples/quick/customitems/maskedmousearea/maskedmousearea.h b/examples/quick/customitems/maskedmousearea/maskedmousearea.h
index 39d78a019a..2a9655f0c3 100644
--- a/examples/quick/customitems/maskedmousearea/maskedmousearea.h
+++ b/examples/quick/customitems/maskedmousearea/maskedmousearea.h
@@ -65,7 +65,7 @@ class MaskedMouseArea : public QQuickItem
     QML_ELEMENT
 
 public:
-    MaskedMouseArea(QQuickItem *parent = 0);
+    MaskedMouseArea(QQuickItem *parent = nullptr);
 
     bool contains(const QPointF &point) const;
 
diff --git a/examples/quick/customitems/painteditem/textballoon.h b/examples/quick/customitems/painteditem/textballoon.h
index 129b0f7ee1..1bf96580e2 100644
--- a/examples/quick/customitems/painteditem/textballoon.h
+++ b/examples/quick/customitems/painteditem/textballoon.h
@@ -61,7 +61,7 @@ class TextBalloon : public QQuickPaintedItem
     QML_ELEMENT
 
     public:
-        TextBalloon(QQuickItem *parent = 0);
+        TextBalloon(QQuickItem *parent = nullptr);
         void paint(QPainter *painter);
 
         bool isRightAligned() const;
diff --git a/examples/quick/quickwidgets/qquickviewcomparison/fbitem.h b/examples/quick/quickwidgets/qquickviewcomparison/fbitem.h
index 6270e7adff..573cfd7866 100644
--- a/examples/quick/quickwidgets/qquickviewcomparison/fbitem.h
+++ b/examples/quick/quickwidgets/qquickviewcomparison/fbitem.h
@@ -114,7 +114,7 @@ class FbItem : public QQuickFramebufferObject
     QML_ELEMENT
 
 public:
-    explicit FbItem(QQuickItem *parent = 0);
+    explicit FbItem(QQuickItem *parent = nullptr);
 
     QQuickFramebufferObject::Renderer *createRenderer() const override;
 
diff --git a/examples/quick/scenegraph/customgeometry/beziercurve.h b/examples/quick/scenegraph/customgeometry/beziercurve.h
index fd0085a08e..c796c0e5a7 100644
--- a/examples/quick/scenegraph/customgeometry/beziercurve.h
+++ b/examples/quick/scenegraph/customgeometry/beziercurve.h
@@ -69,7 +69,7 @@ class BezierCurve : public QQuickItem
 //! [3]
 
 public:
-    BezierCurve(QQuickItem *parent = 0);
+    BezierCurve(QQuickItem *parent = nullptr);
     ~BezierCurve();
 
 //! [2]
diff --git a/src/particles/qquickdirection_p.h b/src/particles/qquickdirection_p.h
index e671868ed2..58b5b43322 100644
--- a/src/particles/qquickdirection_p.h
+++ b/src/particles/qquickdirection_p.h
@@ -65,7 +65,7 @@ class QQuickDirection : public QObject
     QML_UNCREATABLE("Abstract type. Use one of the inheriting types instead.")
 
 public:
-    explicit QQuickDirection(QObject *parent = 0);
+    explicit QQuickDirection(QObject *parent = nullptr);
 
     virtual QPointF sample(const QPointF &from);
 Q_SIGNALS:
diff --git a/src/particles/qquickmaskextruder_p.h b/src/particles/qquickmaskextruder_p.h
index 0d3fa9c15a..61ff17806e 100644
--- a/src/particles/qquickmaskextruder_p.h
+++ b/src/particles/qquickmaskextruder_p.h
@@ -64,7 +64,7 @@ class QQuickMaskExtruder : public QQuickParticleExtruder
     QML_NAMED_ELEMENT(MaskShape)
     QML_ADDED_IN_VERSION(2, 0)
 public:
-    explicit QQuickMaskExtruder(QObject *parent = 0);
+    explicit QQuickMaskExtruder(QObject *parent = nullptr);
     QPointF extrude(const QRectF &) override;
     bool contains(const QRectF &bounds, const QPointF &point) override;
 
diff --git a/src/quick/items/qquickgraphicsinfo_p.h b/src/quick/items/qquickgraphicsinfo_p.h
index 66f3d4168e..192500d056 100644
--- a/src/quick/items/qquickgraphicsinfo_p.h
+++ b/src/quick/items/qquickgraphicsinfo_p.h
@@ -134,7 +134,7 @@ public:
     };
     Q_ENUM(RenderableType)
 
-    QQuickGraphicsInfo(QQuickItem *item = 0);
+    QQuickGraphicsInfo(QQuickItem *item = nullptr);
 
     static QQuickGraphicsInfo *qmlAttachedProperties(QObject *object);
 
diff --git a/src/quicklayouts/qquicklayout_p.h b/src/quicklayouts/qquicklayout_p.h
index 0d577a113e..a7cbceb915 100644
--- a/src/quicklayouts/qquicklayout_p.h
+++ b/src/quicklayouts/qquicklayout_p.h
@@ -81,7 +81,7 @@ public:
         NSizes
     };
 
-    explicit QQuickLayout(QQuickLayoutPrivate &dd, QQuickItem *parent = 0);
+    explicit QQuickLayout(QQuickLayoutPrivate &dd, QQuickItem *parent = nullptr);
     ~QQuickLayout();
 
     static QQuickLayoutAttached *qmlAttachedProperties(QObject *object);
@@ -90,7 +90,7 @@ public:
     void componentComplete() override;
     virtual QSizeF sizeHint(Qt::SizeHint whichSizeHint) const = 0;
     virtual void setAlignment(QQuickItem *item, Qt::Alignment align) = 0;
-    virtual void invalidate(QQuickItem * childItem = 0);
+    virtual void invalidate(QQuickItem * childItem = nullptr);
     virtual void updateLayoutItems() = 0;
     void ensureLayoutItemsUpdated() const;
 
diff --git a/src/quicklayouts/qquicklinearlayout_p.h b/src/quicklayouts/qquicklinearlayout_p.h
index bc9c395f0b..2373e7ad43 100644
--- a/src/quicklayouts/qquicklinearlayout_p.h
+++ b/src/quicklayouts/qquicklinearlayout_p.h
@@ -79,11 +79,11 @@ public:
 
     explicit QQuickGridLayoutBase(QQuickGridLayoutBasePrivate &dd,
                                   Qt::Orientation orientation,
-                                  QQuickItem *parent = 0);
+                                  QQuickItem *parent = nullptr);
 
     ~QQuickGridLayoutBase();
     void componentComplete() override;
-    void invalidate(QQuickItem *childItem = 0) override;
+    void invalidate(QQuickItem *childItem = nullptr) override;
     Qt::Orientation orientation() const;
     void setOrientation(Qt::Orientation orientation);
     QSizeF sizeHint(Qt::SizeHint whichSizeHint) const override;
@@ -160,7 +160,7 @@ class Q_QUICKLAYOUT_PRIVATE_EXPORT QQuickGridLayout : public QQuickGridLayoutBas
     QML_NAMED_ELEMENT(GridLayout)
     QML_ADDED_IN_VERSION(1, 0)
 public:
-    explicit QQuickGridLayout(QQuickItem *parent = 0);
+    explicit QQuickGridLayout(QQuickItem *parent = nullptr);
     qreal columnSpacing() const;
     void setColumnSpacing(qreal spacing);
     qreal rowSpacing() const;
@@ -213,7 +213,7 @@ class QQuickLinearLayout : public QQuickGridLayoutBase
     Q_PROPERTY(qreal spacing READ spacing WRITE setSpacing NOTIFY spacingChanged)
 public:
     explicit QQuickLinearLayout(Qt::Orientation orientation,
-                                QQuickItem *parent = 0);
+                                QQuickItem *parent = nullptr);
     void insertLayoutItem(QQuickItem *item);
     qreal spacing() const;
     void setSpacing(qreal spacing);
@@ -246,7 +246,7 @@ class Q_QUICKLAYOUT_PRIVATE_EXPORT  QQuickRowLayout : public QQuickLinearLayout
     QML_ADDED_IN_VERSION(1, 0)
 
 public:
-    explicit QQuickRowLayout(QQuickItem *parent = 0)
+    explicit QQuickRowLayout(QQuickItem *parent = nullptr)
         : QQuickLinearLayout(Qt::Horizontal, parent) {}
 };
 
@@ -263,7 +263,7 @@ class Q_QUICKLAYOUT_PRIVATE_EXPORT QQuickColumnLayout : public QQuickLinearLayou
     QML_ADDED_IN_VERSION(1, 0)
 
 public:
-    explicit QQuickColumnLayout(QQuickItem *parent = 0)
+    explicit QQuickColumnLayout(QQuickItem *parent = nullptr)
         : QQuickLinearLayout(Qt::Vertical, parent) {}
 };
 
diff --git a/src/quicklayouts/qquickstacklayout_p.h b/src/quicklayouts/qquickstacklayout_p.h
index 07c2fc3727..9e82882373 100644
--- a/src/quicklayouts/qquickstacklayout_p.h
+++ b/src/quicklayouts/qquickstacklayout_p.h
@@ -69,7 +69,7 @@ class Q_QUICKLAYOUT_PRIVATE_EXPORT QQuickStackLayout : public QQuickLayout
     QML_ATTACHED(QQuickStackLayoutAttached)
 
 public:
-    explicit QQuickStackLayout(QQuickItem *parent = 0);
+    explicit QQuickStackLayout(QQuickItem *parent = nullptr);
     int count() const;
     int currentIndex() const;
     void setCurrentIndex(int index);
@@ -78,7 +78,7 @@ public:
     void itemChange(ItemChange change, const ItemChangeData &value) override;
     QSizeF sizeHint(Qt::SizeHint whichSizeHint) const override;
     void setAlignment(QQuickItem *item, Qt::Alignment align)  override;
-    void invalidate(QQuickItem *childItem = 0)  override;
+    void invalidate(QQuickItem *childItem = nullptr)  override;
     void updateLayoutItems()  override;
     void rearrange(const QSizeF &) override;
 
diff --git a/tools/qml/conf.h b/tools/qml/conf.h
index 84167c9134..7431276735 100644
--- a/tools/qml/conf.h
+++ b/tools/qml/conf.h
@@ -78,8 +78,7 @@ class Config : public QObject
     QML_NAMED_ELEMENT(Configuration)
     QML_ADDED_IN_VERSION(1, 0)
 public:
-    Config (QObject* parent=0) : QObject(parent)
-    {}
+    Config (QObject *parent = nullptr) : QObject(parent) {}
 
     QQmlListProperty<PartialScene> sceneCompleters()
     {