QtGui: replace 0 with \nullptr in documentation

Replace 0 with \nullptr in the documentation.
As a drive-by also replace some 0 with nullptr in the corresponding
code.

Change-Id: Ieffbfffa76e3018257b667a3e8ad6e3b88486cde
Reviewed-by: Paul Wicking <paul.wicking@qt.io>

1 files changed, 6 insertions, 6 deletions

diff --git a/src/gui/text/qtextobject.cpp b/src/gui/text/qtextobject.cpp
index 0ed8be8530..18c5a4f3dd 100644
--- a/src/gui/text/qtextobject.cpp
+++ b/src/gui/text/qtextobject.cpp
@@ -704,8 +704,8 @@ QTextFrame::iterator &QTextFrame::iterator::operator=(const iterator &other) Q_D
 #endif
 
 /*!
-    Returns the current frame pointed to by the iterator, or 0 if the
-    iterator currently points to a block.
+    Returns the current frame pointed to by the iterator, or \nullptr
+    if the iterator currently points to a block.
 
     \sa currentBlock()
 */
@@ -1291,12 +1291,12 @@ QVector<QTextLayout::FormatRange> QTextBlock::textFormats() const
 }
 
 /*!
-    Returns the text document this text block belongs to, or 0 if the
-    text block does not belong to any document.
+    Returns the text document this text block belongs to, or \nullptr
+    if the text block does not belong to any document.
 */
 const QTextDocument *QTextBlock::document() const
 {
-    return p ? p->document() : 0;
+    return p ? p->document() : nullptr;
 }
 
 /*!
@@ -1306,7 +1306,7 @@ const QTextDocument *QTextBlock::document() const
 QTextList *QTextBlock::textList() const
 {
     if (!isValid())
-        return 0;
+        return nullptr;
 
     const QTextBlockFormat fmt = blockFormat();
     QTextObject *obj = p->document()->objectForFormat(fmt);