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, 5 insertions, 5 deletions

diff --git a/src/widgets/itemviews/qlistwidget.h b/src/widgets/itemviews/qlistwidget.h
index 8ab864c930..1fbdc472db 100644
--- a/src/widgets/itemviews/qlistwidget.h
+++ b/src/widgets/itemviews/qlistwidget.h
@@ -55,10 +55,10 @@ class Q_WIDGETS_EXPORT QListWidgetItem
     friend class QListWidget;
 public:
     enum ItemType { Type = 0, UserType = 1000 };
-    explicit QListWidgetItem(QListWidget *view = 0, int type = Type);
-    explicit QListWidgetItem(const QString &text, QListWidget *view = 0, int type = Type);
+    explicit QListWidgetItem(QListWidget *view = Q_NULLPTR, int type = Type);
+    explicit QListWidgetItem(const QString &text, QListWidget *view = Q_NULLPTR, int type = Type);
     explicit QListWidgetItem(const QIcon &icon, const QString &text,
-                             QListWidget *view = 0, int type = Type);
+                             QListWidget *view = Q_NULLPTR, int type = Type);
     QListWidgetItem(const QListWidgetItem &other);
     virtual ~QListWidgetItem();
 
@@ -198,7 +198,7 @@ class Q_WIDGETS_EXPORT QListWidget : public QListView
     friend class QListWidgetItem;
     friend class QListModel;
 public:
-    explicit QListWidget(QWidget *parent = 0);
+    explicit QListWidget(QWidget *parent = Q_NULLPTR);
     ~QListWidget();
 
     QListWidgetItem *item(int row) const;
@@ -299,7 +299,7 @@ private:
 };
 
 inline void QListWidget::removeItemWidget(QListWidgetItem *aItem)
-{ setItemWidget(aItem, 0); }
+{ setItemWidget(aItem, Q_NULLPTR); }
 
 inline void QListWidget::addItem(QListWidgetItem *aitem)
 { insertItem(count(), aitem); }