1 files changed, 9 insertions, 9 deletions
diff --git a/src/widgets/widgets/qdatetimeedit.h b/src/widgets/widgets/qdatetimeedit.h
index 4e77713fd0..829ce205be 100644
--- a/src/widgets/widgets/qdatetimeedit.h
+++ b/src/widgets/widgets/qdatetimeedit.h
@@ -86,10 +86,10 @@ public:
 
     Q_DECLARE_FLAGS(Sections, Section)
 
-    explicit QDateTimeEdit(QWidget *parent = 0);
-    explicit QDateTimeEdit(const QDateTime &dt, QWidget *parent = 0);
-    explicit QDateTimeEdit(const QDate &d, QWidget *parent = 0);
-    explicit QDateTimeEdit(const QTime &t, QWidget *parent = 0);
+    explicit QDateTimeEdit(QWidget *parent = Q_NULLPTR);
+    explicit QDateTimeEdit(const QDateTime &dt, QWidget *parent = Q_NULLPTR);
+    explicit QDateTimeEdit(const QDate &d, QWidget *parent = Q_NULLPTR);
+    explicit QDateTimeEdit(const QTime &t, QWidget *parent = Q_NULLPTR);
     ~QDateTimeEdit();
 
     QDateTime dateTime() const;
@@ -185,7 +185,7 @@ protected:
     virtual void paintEvent(QPaintEvent *event);
     void initStyleOption(QStyleOptionSpinBox *option) const;
 
-    QDateTimeEdit(const QVariant &val, QVariant::Type parserType, QWidget *parent = 0);
+    QDateTimeEdit(const QVariant &val, QVariant::Type parserType, QWidget *parent = Q_NULLPTR);
 private:
     Q_DECLARE_PRIVATE(QDateTimeEdit)
     Q_DISABLE_COPY(QDateTimeEdit)
@@ -198,8 +198,8 @@ class Q_WIDGETS_EXPORT QTimeEdit : public QDateTimeEdit
     Q_OBJECT
     Q_PROPERTY(QTime time READ time WRITE setTime NOTIFY userTimeChanged USER true)
 public:
-    explicit QTimeEdit(QWidget *parent = 0);
-    explicit QTimeEdit(const QTime &time, QWidget *parent = 0);
+    explicit QTimeEdit(QWidget *parent = Q_NULLPTR);
+    explicit QTimeEdit(const QTime &time, QWidget *parent = Q_NULLPTR);
     ~QTimeEdit();
 
 Q_SIGNALS:
@@ -211,8 +211,8 @@ class Q_WIDGETS_EXPORT QDateEdit : public QDateTimeEdit
     Q_OBJECT
     Q_PROPERTY(QDate date READ date WRITE setDate NOTIFY userDateChanged USER true)
 public:
-    explicit QDateEdit(QWidget *parent = 0);
-    explicit QDateEdit(const QDate &date, QWidget *parent = 0);
+    explicit QDateEdit(QWidget *parent = Q_NULLPTR);
+    explicit QDateEdit(const QDate &date, QWidget *parent = Q_NULLPTR);
     ~QDateEdit();
 
 Q_SIGNALS: