Make public headers compile with -Wzero-as-null-pointer-constant

... or equivalent.

QtBase 5.6 headers already compile that way, so let the other
modules follow suit.

Change-Id: I0f056b1acb2b223ad224faea1747339247a8a3c4
Task-number: QTBUG-45291
Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>

1 files changed, 6 insertions, 6 deletions

diff --git a/src/designer/src/uitools/quiloader.h b/src/designer/src/uitools/quiloader.h
index 7968e41d2..51a076545 100644
--- a/src/designer/src/uitools/quiloader.h
+++ b/src/designer/src/uitools/quiloader.h
@@ -52,21 +52,21 @@ class QUiLoader : public QObject
 {
     Q_OBJECT
 public:
-    QUiLoader(QObject *parent = 0);
+    QUiLoader(QObject *parent = Q_NULLPTR);
     virtual ~QUiLoader();
 
     QStringList pluginPaths() const;
     void clearPluginPaths();
     void addPluginPath(const QString &path);
 
-    QWidget *load(QIODevice *device, QWidget *parentWidget = 0);
+    QWidget *load(QIODevice *device, QWidget *parentWidget = Q_NULLPTR);
     QStringList availableWidgets() const;
     QStringList availableLayouts() const;
 
-    virtual QWidget *createWidget(const QString &className, QWidget *parent = 0, const QString &name = QString());
-    virtual QLayout *createLayout(const QString &className, QObject *parent = 0, const QString &name = QString());
-    virtual QActionGroup *createActionGroup(QObject *parent = 0, const QString &name = QString());
-    virtual QAction *createAction(QObject *parent = 0, const QString &name = QString());
+    virtual QWidget *createWidget(const QString &className, QWidget *parent = Q_NULLPTR, const QString &name = QString());
+    virtual QLayout *createLayout(const QString &className, QObject *parent = Q_NULLPTR, const QString &name = QString());
+    virtual QActionGroup *createActionGroup(QObject *parent = Q_NULLPTR, const QString &name = QString());
+    virtual QAction *createAction(QObject *parent = Q_NULLPTR, const QString &name = QString());
 
     void setWorkingDirectory(const QDir &dir);
     QDir workingDirectory() const;