Doc: replace even more null/0/nullptr with \nullptr macro

Try to replace all wordings like '.. to 0' with '.. to \nullptr'. Also
checked for 'null pointer' and similar.

Change-Id: I73341f59ba51e0798e816a8b1a532c7c7374b74a
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>

4 files changed, 10 insertions, 10 deletions

diff --git a/src/widgets/itemviews/qlistwidget.cpp b/src/widgets/itemviews/qlistwidget.cpp
index e46d25bef1..37bb370e73 100644
--- a/src/widgets/itemviews/qlistwidget.cpp
+++ b/src/widgets/itemviews/qlistwidget.cpp
@@ -1902,8 +1902,8 @@ QStringList QListWidget::mimeTypes() const
     \a items. The format used to describe the items is obtained from the
     mimeTypes() function.
 
-    If the list of items is empty, 0 is returned instead of a serialized empty
-    list.
+    If the list of items is empty, \nullptr is returned instead of a
+    serialized empty list.
 */
 #if QT_VERSION >= QT_VERSION_CHECK(6,0,0)
 QMimeData *QListWidget::mimeData(const QList<QListWidgetItem *> &items) const
diff --git a/src/widgets/itemviews/qtablewidget.cpp b/src/widgets/itemviews/qtablewidget.cpp
index ec4897a7ae..0fb9e28385 100644
--- a/src/widgets/itemviews/qtablewidget.cpp
+++ b/src/widgets/itemviews/qtablewidget.cpp
@@ -2633,8 +2633,8 @@ QStringList QTableWidget::mimeTypes() const
     \a items. The format used to describe the items is obtained from the
     mimeTypes() function.
 
-    If the list of items is empty, 0 is returned rather than a serialized
-    empty list.
+    If the list of items is empty, \nullptr is returned rather than a
+    serialized empty list.
 */
 #if QT_VERSION >= QT_VERSION_CHECK(6,0,0)
 QMimeData *QTableWidget::mimeData(const QList<QTableWidgetItem *> &items) const
diff --git a/src/widgets/itemviews/qtreewidget.cpp b/src/widgets/itemviews/qtreewidget.cpp
index 29cc199526..d2dc91b18c 100644
--- a/src/widgets/itemviews/qtreewidget.cpp
+++ b/src/widgets/itemviews/qtreewidget.cpp
@@ -3395,8 +3395,8 @@ QStringList QTreeWidget::mimeTypes() const
     \a items. The format used to describe the items is obtained from the
     mimeTypes() function.
 
-    If the list of items is empty, 0 is returned rather than a serialized
-    empty list.
+    If the list of items is empty, \nullptr is returned rather than a
+    serialized empty list.
 */
 #if QT_VERSION >= QT_VERSION_CHECK(6,0,0)
 QMimeData *QTreeWidget::mimeData(const QList<QTreeWidgetItem *> &items) const
diff --git a/src/widgets/itemviews/qtreewidgetitemiterator.cpp b/src/widgets/itemviews/qtreewidgetitemiterator.cpp
index 1c1f60bc37..14c19fcb9c 100644
--- a/src/widgets/itemviews/qtreewidgetitemiterator.cpp
+++ b/src/widgets/itemviews/qtreewidgetitemiterator.cpp
@@ -170,7 +170,7 @@ QTreeWidgetItemIterator &QTreeWidgetItemIterator::operator=(const QTreeWidgetIte
 /*!
     The prefix ++ operator (++it) advances the iterator to the next matching item
     and returns a reference to the resulting iterator.
-    Sets the current pointer to 0 if the current item is the last matching item.
+    Sets the current pointer to \nullptr if the current item is the last matching item.
 */
 
 QTreeWidgetItemIterator &QTreeWidgetItemIterator::operator++()
@@ -185,7 +185,7 @@ QTreeWidgetItemIterator &QTreeWidgetItemIterator::operator++()
 /*!
     The prefix -- operator (--it) advances the iterator to the previous matching item
     and returns a reference to the resulting iterator.
-    Sets the current pointer to 0 if the current item is the first matching item.
+    Sets the current pointer to \nullptr if the current item is the first matching item.
 */
 
 QTreeWidgetItemIterator &QTreeWidgetItemIterator::operator--()
@@ -395,7 +395,7 @@ void QTreeWidgetItemIteratorPrivate::ensureValidIterator(const QTreeWidgetItem *
   iterator goes backward.)
 
   If the current item is beyond the last item, the current item pointer is
-  set to 0. Returns the resulting iterator.
+  set to \nullptr. Returns the resulting iterator.
 */
 
 /*!
@@ -411,7 +411,7 @@ void QTreeWidgetItemIteratorPrivate::ensureValidIterator(const QTreeWidgetItem *
   iterator goes forward.)
 
   If the current item is ahead of the last item, the current item pointer is
-  set to 0. Returns the resulting iterator.
+  set to \nullptr. Returns the resulting iterator.
 */
 
 /*!