XBEL examples: construct the text of the separators cleanly

Create the fixed string once and reuse it. Also give a name to the
escape code that's its repeated character.

Task-number: QTBUG-111228
Change-Id: I3d6416070f1d5490ec137e251daff0e1637fb788
Reviewed-by: Konrad Kujawa <konrad.kujawa@qt.io>
Reviewed-by: Marc Mutz <marc.mutz@qt.io>
(cherry picked from commit 97f68cd3068587103c8b0a0ccdcd6e61431efc1e)

2 files changed, 6 insertions, 2 deletions

diff --git a/examples/corelib/serialization/streambookmarks/xbelreader.cpp b/examples/corelib/serialization/streambookmarks/xbelreader.cpp
index d062a3bd1d..0c50cd6bba 100644
--- a/examples/corelib/serialization/streambookmarks/xbelreader.cpp
+++ b/examples/corelib/serialization/streambookmarks/xbelreader.cpp
@@ -80,10 +80,12 @@ void XbelReader::readTitle(QTreeWidgetItem *item)
 void XbelReader::readSeparator(QTreeWidgetItem *item)
 {
     Q_ASSERT(xml.isStartElement() && xml.name() == "separator"_L1);
+    constexpr char16_t midDot = u'\xB7';
+    static const QString dots(30, midDot);
 
     QTreeWidgetItem *separator = createChildItem(item);
     separator->setFlags(item ? item->flags() & ~Qt::ItemIsSelectable : Qt::ItemFlags{});
-    separator->setText(0, QString(30, u'\xB7'));
+    separator->setText(0, dots);
     xml.skipCurrentElement();
 }
 //! [5]
diff --git a/examples/xml/dombookmarks/xbeltree.cpp b/examples/xml/dombookmarks/xbeltree.cpp
index 7bd1a36fb7..eff2fea8f0 100644
--- a/examples/xml/dombookmarks/xbeltree.cpp
+++ b/examples/xml/dombookmarks/xbeltree.cpp
@@ -153,6 +153,8 @@ void XbelTree::parseFolderElement(const QDomElement &element,
     bool folded = (element.attribute(foldedAttribute) != "no"_L1);
     item->setExpanded(!folded);
 
+    constexpr char16_t midDot = u'\xB7';
+    static const QString dots = QString(30, midDot);
     QDomElement child = element.firstChildElement();
     while (!child.isNull()) {
         if (child.tagName() == folderElement) {
@@ -171,7 +173,7 @@ void XbelTree::parseFolderElement(const QDomElement &element,
         } else if (child.tagName() == "separator"_L1) {
             QTreeWidgetItem *childItem = createItem(child, item);
             childItem->setFlags(item->flags() & ~(Qt::ItemIsSelectable | Qt::ItemIsEditable));
-            childItem->setText(0, QString(30, u'\xB7'));
+            childItem->setText(0, dots);
         }
         child = child.nextSiblingElement();
     }