Tidy nullptr usage

Move away from using 0 as pointer literal.

Done using clang-tidy. This is not complete as
run-clang-tidy can't handle all of qtbase in one go.

Change-Id: I1076a21f32aac0dab078af6f175f7508145eece0
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>

1 files changed, 19 insertions, 19 deletions

diff --git a/src/widgets/widgets/qcalendarwidget.cpp b/src/widgets/widgets/qcalendarwidget.cpp
index 749ae96df2..fe1133c6c7 100644
--- a/src/widgets/widgets/qcalendarwidget.cpp
+++ b/src/widgets/widgets/qcalendarwidget.cpp
@@ -559,7 +559,7 @@ void QCalendarDateValidator::setFormat(const QString &format)
                 separator += nextChar;
                 quoting = false;
             } else {
-                QCalendarDateSectionValidator *validator = 0;
+                QCalendarDateSectionValidator *validator = nullptr;
                 if (nextChar == QLatin1Char('d')) {
                     offset = qMin(4, countRepeat(format, pos));
                     validator = &m_dayValidator;
@@ -640,9 +640,9 @@ class QCalendarTextNavigator: public QObject
 {
     Q_OBJECT
 public:
-    QCalendarTextNavigator(QObject *parent = 0)
-        : QObject(parent), m_dateText(0), m_dateFrame(0), m_dateValidator(0),
-          m_widget(0), m_editDelay(1500), m_date(QDate::currentDate()) {}
+    QCalendarTextNavigator(QObject *parent = nullptr)
+        : QObject(parent), m_dateText(nullptr), m_dateFrame(nullptr), m_dateValidator(nullptr),
+          m_widget(nullptr), m_editDelay(1500), m_date(QDate::currentDate()) {}
 
     QWidget *widget() const;
     void setWidget(QWidget *widget);
@@ -752,9 +752,9 @@ void QCalendarTextNavigator::removeDateLabel()
     m_dateFrame->hide();
     m_dateFrame->deleteLater();
     delete m_dateValidator;
-    m_dateFrame = 0;
-    m_dateText = 0;
-    m_dateValidator = 0;
+    m_dateFrame = nullptr;
+    m_dateText = nullptr;
+    m_dateValidator = nullptr;
 }
 
 bool QCalendarTextNavigator::eventFilter(QObject *o, QEvent *e)
@@ -858,7 +858,7 @@ class QCalendarModel : public QAbstractTableModel
 {
     Q_OBJECT
 public:
-    QCalendarModel(QObject *parent = 0);
+    QCalendarModel(QObject *parent = nullptr);
 
     int rowCount(const QModelIndex &) const override
         { return RowCount + m_firstRow; }
@@ -951,7 +951,7 @@ class QCalendarView : public QTableView
 {
     Q_OBJECT
 public:
-    QCalendarView(QWidget *parent = 0);
+    QCalendarView(QWidget *parent = nullptr);
 
     void internalUpdate() { updateGeometries(); }
     void setReadOnly(bool enable);
@@ -1599,7 +1599,7 @@ class QCalendarDelegate : public QItemDelegate
 {
     Q_OBJECT
 public:
-    QCalendarDelegate(QCalendarWidgetPrivate *w, QObject *parent = 0)
+    QCalendarDelegate(QCalendarWidgetPrivate *w, QObject *parent = nullptr)
         : QItemDelegate(parent), calendarWidgetPrivate(w)
             { }
     virtual void paint(QPainter *painter, const QStyleOptionViewItem &option,
@@ -1734,11 +1734,11 @@ void QCalendarDelegate::paintCell(QPainter *painter, const QRect &rect, QDate da
 QCalendarWidgetPrivate::QCalendarWidgetPrivate()
     : QWidgetPrivate()
 {
-    m_model = 0;
-    m_view = 0;
-    m_delegate = 0;
-    m_selection = 0;
-    m_navigator = 0;
+    m_model = nullptr;
+    m_view = nullptr;
+    m_delegate = nullptr;
+    m_selection = nullptr;
+    m_navigator = nullptr;
     m_dateEditEnabled = false;
     navBarVisible = true;
     oldFocusPolicy = Qt::StrongFocus;
@@ -1748,7 +1748,7 @@ void QCalendarWidgetPrivate::setNavigatorEnabled(bool enable)
 {
     Q_Q(QCalendarWidget);
 
-    bool navigatorEnabled = (m_navigator->widget() != 0);
+    bool navigatorEnabled = (m_navigator->widget() != nullptr);
     if (enable == navigatorEnabled)
         return;
 
@@ -1760,7 +1760,7 @@ void QCalendarWidgetPrivate::setNavigatorEnabled(bool enable)
                 q, SLOT(_q_editingFinished()));
         m_view->installEventFilter(m_navigator);
     } else {
-        m_navigator->setWidget(0);
+        m_navigator->setWidget(nullptr);
         q->disconnect(m_navigator, SIGNAL(dateChanged(QDate)),
                 q, SLOT(_q_slotChangeDate(QDate)));
         q->disconnect(m_navigator, SIGNAL(editingFinished()),
@@ -1847,8 +1847,8 @@ void QCalendarWidgetPrivate::createNavigationBar(QWidget *widget)
 void QCalendarWidgetPrivate::updateButtonIcons()
 {
     Q_Q(QCalendarWidget);
-    prevMonth->setIcon(q->style()->standardIcon(q->isRightToLeft() ? QStyle::SP_ArrowRight : QStyle::SP_ArrowLeft, 0, q));
-    nextMonth->setIcon(q->style()->standardIcon(q->isRightToLeft() ? QStyle::SP_ArrowLeft : QStyle::SP_ArrowRight, 0, q));
+    prevMonth->setIcon(q->style()->standardIcon(q->isRightToLeft() ? QStyle::SP_ArrowRight : QStyle::SP_ArrowLeft, nullptr, q));
+    nextMonth->setIcon(q->style()->standardIcon(q->isRightToLeft() ? QStyle::SP_ArrowLeft : QStyle::SP_ArrowRight, nullptr, q));
 }
 
 void QCalendarWidgetPrivate::updateMonthMenu()