QtWidgets: Use Q_NULLPTR instead of 0 in all public headers

This is in preparation of adding -Wzero-as-null-pointer-constant (or similar)
to the headers check.

Task-number: QTBUG-45291
Change-Id: Ie67d235151ca8d4ef5e721c9cf4a6fd32bd167a0
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/src/widgets/itemviews/qabstractitemview.h b/src/widgets/itemviews/qabstractitemview.h
index 1be17b6c0e..ff1848b149 100644
--- a/src/widgets/itemviews/qabstractitemview.h
+++ b/src/widgets/itemviews/qabstractitemview.h
@@ -115,7 +115,7 @@ public:
     };
     Q_ENUM(ScrollMode)
 
-    explicit QAbstractItemView(QWidget *parent = 0);
+    explicit QAbstractItemView(QWidget *parent = Q_NULLPTR);
     ~QAbstractItemView();
 
     virtual void setModel(QAbstractItemModel *model);
@@ -258,7 +258,7 @@ Q_SIGNALS:
     void iconSizeChanged(const QSize &size);
 
 protected:
-    QAbstractItemView(QAbstractItemViewPrivate &, QWidget *parent = 0);
+    QAbstractItemView(QAbstractItemViewPrivate &, QWidget *parent = Q_NULLPTR);
 
     void setHorizontalStepsPerItem(int steps);
     int horizontalStepsPerItem() const;
@@ -283,7 +283,7 @@ protected:
     virtual bool edit(const QModelIndex &index, EditTrigger trigger, QEvent *event);
 
     virtual QItemSelectionModel::SelectionFlags selectionCommand(const QModelIndex &index,
-                                                                 const QEvent *event = 0) const;
+                                                                 const QEvent *event = Q_NULLPTR) const;
 
 #ifndef QT_NO_DRAGANDDROP
     virtual void startDrag(Qt::DropActions supportedActions);