examples: remove some unneeded QStringRef::toString() calls

- when appending to another string
- when just comparing
- when just calling toInt()

Change-Id: I6960784569b83bfd3e3640a8c04f2f909c293449
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>

3 files changed, 12 insertions, 12 deletions

diff --git a/examples/embedded/flightinfo/flightinfo.cpp b/examples/embedded/flightinfo/flightinfo.cpp
index e91277db58..f46fc9693f 100644
--- a/examples/embedded/flightinfo/flightinfo.cpp
+++ b/examples/embedded/flightinfo/flightinfo.cpp
@@ -270,19 +270,18 @@ private:
                 inFlightStatus |= className == "FlightDetailHeaderStatus";
                 inFlightMap |= className == "flightMap";
                 if (xml.name() == "td" && !className.isEmpty()) {
-                    QString cn = className.toString();
-                    if (cn.contains("fieldTitle")) {
+                    if (className.contains("fieldTitle")) {
                         inFieldName = true;
                         fieldNames += QString();
                         fieldValues += QString();
                     }
-                    if (cn.contains("fieldValue"))
+                    if (className.contains("fieldValue"))
                         inFieldValue = true;
                 }
                 if (xml.name() == "img" && inFlightMap) {
-                    QString src = xml.attributes().value("src").toString();
-                    src.prepend("http://mobile.flightview.com/");
-                    QUrl url = QUrl::fromPercentEncoding(src.toLatin1());
+                    const QByteArray encoded
+                        = ("http://mobile.flightview.com/" % xml.attributes().value("src")).toLatin1();
+                    QUrl url = QUrl::fromPercentEncoding(encoded);
                     mapReplies.append(m_manager.get(QNetworkRequest(url)));
                 }
             }
diff --git a/examples/widgets/animation/sub-attaq/graphicsscene.cpp b/examples/widgets/animation/sub-attaq/graphicsscene.cpp
index 44bd5dd12f..e0913f99f6 100644
--- a/examples/widgets/animation/sub-attaq/graphicsscene.cpp
+++ b/examples/widgets/animation/sub-attaq/graphicsscene.cpp
@@ -111,14 +111,15 @@ GraphicsScene::GraphicsScene(int x, int y, int width, int height, Mode mode)
              if (reader.name() == "submarine") {
                  SubmarineDescription desc;
                  desc.name = reader.attributes().value("name").toString();
-                 desc.points = reader.attributes().value("points").toString().toInt();
-                 desc.type = reader.attributes().value("type").toString().toInt();
+                 desc.points = reader.attributes().value("points").toInt();
+                 desc.type = reader.attributes().value("type").toInt();
                  submarinesData.append(desc);
              } else if (reader.name() == "level") {
-                 currentLevel.id = reader.attributes().value("id").toString().toInt();
+                 currentLevel.id = reader.attributes().value("id").toInt();
                  currentLevel.name = reader.attributes().value("name").toString();
              } else if (reader.name() == "subinstance") {
-                 currentLevel.submarines.append(qMakePair(reader.attributes().value("type").toString().toInt(), reader.attributes().value("nb").toString().toInt()));
+                 currentLevel.submarines.append(qMakePair(reader.attributes().value("type").toInt(),
+                                                          reader.attributes().value("nb").toInt()));
              }
          } else if (reader.tokenType() == QXmlStreamReader::EndElement) {
             if (reader.name() == "level") {
diff --git a/examples/xml/rsslisting/rsslisting.cpp b/examples/xml/rsslisting/rsslisting.cpp
index f532148354..d1b4373531 100644
--- a/examples/xml/rsslisting/rsslisting.cpp
+++ b/examples/xml/rsslisting/rsslisting.cpp
@@ -231,9 +231,9 @@ void RSSListing::parseXml()
 
         } else if (xml.isCharacters() && !xml.isWhitespace()) {
             if (currentTag == "title")
-                titleString += xml.text().toString();
+                titleString += xml.text();
             else if (currentTag == "link")
-                linkString += xml.text().toString();
+                linkString += xml.text();
         }
     }
     if (xml.error() && xml.error() != QXmlStreamReader::PrematureEndOfDocumentError) {