Use default nullptr parents in QAction constructors

In user code it is not uncommon to have QActions as proper members
in structures. Being forced to pass a null parent in their
constructors is uncomfortable.

Change-Id: I10d0b0b39d7f8c2b158af1136367b44f1150d4df
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/src/widgets/kernel/qaction.h b/src/widgets/kernel/qaction.h
index abfa2cdd42..bd491c89ca 100644
--- a/src/widgets/kernel/qaction.h
+++ b/src/widgets/kernel/qaction.h
@@ -90,9 +90,9 @@ public:
                     NormalPriority = 128,
                     HighPriority = 256};
     Q_ENUM(Priority)
-    explicit QAction(QObject* parent);
-    QAction(const QString &text, QObject* parent);
-    QAction(const QIcon &icon, const QString &text, QObject* parent);
+    explicit QAction(QObject *parent = nullptr);
+    explicit QAction(const QString &text, QObject *parent = nullptr);
+    explicit QAction(const QIcon &icon, const QString &text, QObject *parent = nullptr);
 
     ~QAction();