Use const'ref in theses methods

Change-Id: Idfa5ffdcf23d1ef80442276690b8082b8279dbfa
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

27 files changed, 46 insertions, 46 deletions

diff --git a/src/libs/cplusplus/MatchingText.cpp b/src/libs/cplusplus/MatchingText.cpp
index 46dfdfb3be..2033218e10 100644
--- a/src/libs/cplusplus/MatchingText.cpp
+++ b/src/libs/cplusplus/MatchingText.cpp
@@ -107,7 +107,7 @@ static bool insertQuote(const QChar ch, const BackwardsScanner &tk)
             && stringLiteralPrefixes.contains(tk.text(index));
 }
 
-static int countSkippedChars(const QString blockText, const QString &textToProcess)
+static int countSkippedChars(const QString &blockText, const QString &textToProcess)
 {
     int skippedChars = 0;
     const int length = qMin(blockText.length(), textToProcess.length());
diff --git a/src/libs/qmleditorwidgets/easingpane/easingcontextpane.cpp b/src/libs/qmleditorwidgets/easingpane/easingcontextpane.cpp
index 4d44d17138..86b83ef85a 100644
--- a/src/libs/qmleditorwidgets/easingpane/easingcontextpane.cpp
+++ b/src/libs/qmleditorwidgets/easingpane/easingcontextpane.cpp
@@ -87,7 +87,7 @@ public:
             m_sequential->resume();
         }
     }
-    void animate(int duration, QEasingCurve curve) {
+    void animate(int duration, const QEasingCurve &curve) {
         reset();
         m_sequential = new QSequentialAnimationGroup;
         connect(m_sequential,&QAbstractAnimation::finished,this,&EasingSimulation::finished);
@@ -288,7 +288,7 @@ void QmlEditorWidgets::EasingContextPane::on_durationSpinBox_valueChanged(int ne
     emit propertyChanged(QLatin1String("duration"), newValue);
 }
 
-void QmlEditorWidgets::EasingContextPane::on_easingShapeComboBox_currentIndexChanged(QString newShape)
+void QmlEditorWidgets::EasingContextPane::on_easingShapeComboBox_currentIndexChanged(const QString &newShape)
 {
     if (newShape==QLatin1String("Linear"))
         setLinear();
@@ -312,7 +312,7 @@ void QmlEditorWidgets::EasingContextPane::on_easingShapeComboBox_currentIndexCha
     }
 }
 
-void QmlEditorWidgets::EasingContextPane::on_easingExtremesComboBox_currentIndexChanged(QString newExtremes)
+void QmlEditorWidgets::EasingContextPane::on_easingExtremesComboBox_currentIndexChanged(const QString &newExtremes)
 {
     if (m_easingGraph->easingExtremes() != newExtremes) {
         m_easingGraph->setEasingExtremes(newExtremes);
diff --git a/src/libs/qmleditorwidgets/easingpane/easingcontextpane.h b/src/libs/qmleditorwidgets/easingpane/easingcontextpane.h
index 8609f843b8..8f71a53d22 100644
--- a/src/libs/qmleditorwidgets/easingpane/easingcontextpane.h
+++ b/src/libs/qmleditorwidgets/easingpane/easingcontextpane.h
@@ -74,12 +74,12 @@ private:
 
 private slots:
     void on_playButton_clicked();
-    void on_overshootSpinBox_valueChanged(double );
-    void on_periodSpinBox_valueChanged(double );
-    void on_amplitudeSpinBox_valueChanged(double );
-    void on_easingExtremesComboBox_currentIndexChanged(QString );
-    void on_easingShapeComboBox_currentIndexChanged(QString );
-    void on_durationSpinBox_valueChanged(int );
+    void on_overshootSpinBox_valueChanged(double);
+    void on_periodSpinBox_valueChanged(double);
+    void on_amplitudeSpinBox_valueChanged(double);
+    void on_easingExtremesComboBox_currentIndexChanged(const QString &);
+    void on_easingShapeComboBox_currentIndexChanged(const QString &);
+    void on_durationSpinBox_valueChanged(int);
 
     void switchToGraph();
 };
diff --git a/src/libs/qmljs/qmljsimportdependencies.cpp b/src/libs/qmljs/qmljsimportdependencies.cpp
index 4319920543..d9addb474c 100644
--- a/src/libs/qmljs/qmljsimportdependencies.cpp
+++ b/src/libs/qmljs/qmljsimportdependencies.cpp
@@ -58,7 +58,7 @@ ImportKind::Enum toImportKind(ImportType::Enum type)
     return ImportKind::Invalid;
 }
 
-ImportMatchStrength::ImportMatchStrength(QList<int> match)
+ImportMatchStrength::ImportMatchStrength(const QList<int> &match)
     : m_match(match)
 { }
 
@@ -482,7 +482,7 @@ Export::Export()
     : intrinsic(false)
 { }
 
-Export::Export(ImportKey exportName, QString pathRequired, bool intrinsic, const QString &typeName)
+Export::Export(ImportKey exportName, const QString &pathRequired, bool intrinsic, const QString &typeName)
     : exportName(exportName), pathRequired(pathRequired), typeName(typeName), intrinsic(intrinsic)
 { }
 
diff --git a/src/libs/qmljs/qmljsimportdependencies.h b/src/libs/qmljs/qmljsimportdependencies.h
index f529629465..d228a0f095 100644
--- a/src/libs/qmljs/qmljsimportdependencies.h
+++ b/src/libs/qmljs/qmljsimportdependencies.h
@@ -56,7 +56,7 @@ class QMLJS_EXPORT ImportMatchStrength
 {
 public:
     explicit ImportMatchStrength() {}
-    ImportMatchStrength(QList<int> match);
+    ImportMatchStrength(const QList<int> &match);
 
     int compareMatch(const ImportMatchStrength &o) const;
 
@@ -127,7 +127,7 @@ class QMLJS_EXPORT Export
 public:
     static QString libraryTypeName();
     Export();
-    Export(ImportKey exportName, QString pathRequired, bool intrinsic = false,
+    Export(ImportKey exportName, const QString &pathRequired, bool intrinsic = false,
            const QString &typeName = libraryTypeName());
     ImportKey exportName;
     QString pathRequired;
diff --git a/src/libs/qmljs/qmljslineinfo.h b/src/libs/qmljs/qmljslineinfo.h
index d687a1e18b..1646ba64f3 100644
--- a/src/libs/qmljs/qmljslineinfo.h
+++ b/src/libs/qmljs/qmljslineinfo.h
@@ -94,7 +94,7 @@ protected:
     {
     public:
         Program() {}
-        Program(QTextBlock begin, QTextBlock end)
+        Program(const QTextBlock &begin, const QTextBlock &end)
             : begin(begin), end(end) {}
 
         QTextBlock firstBlock() const { return begin; }
diff --git a/src/libs/qmljs/qmljsviewercontext.cpp b/src/libs/qmljs/qmljsviewercontext.cpp
index 8fb8afe662..d034432dc4 100644
--- a/src/libs/qmljs/qmljsviewercontext.cpp
+++ b/src/libs/qmljs/qmljsviewercontext.cpp
@@ -39,7 +39,7 @@ ViewerContext::ViewerContext()
     : language(Dialect::Qml), flags(AddAllPaths)
 { }
 
-ViewerContext::ViewerContext(QStringList selectors, QStringList paths,
+ViewerContext::ViewerContext(const QStringList &selectors, const QStringList &paths,
                                     QmlJS::Dialect language,
                                     QmlJS::ViewerContext::Flags flags)
     : selectors(selectors), paths(paths), language(language),
diff --git a/src/libs/qmljs/qmljsviewercontext.h b/src/libs/qmljs/qmljsviewercontext.h
index 7724d872d0..a04596cdd3 100644
--- a/src/libs/qmljs/qmljsviewercontext.h
+++ b/src/libs/qmljs/qmljsviewercontext.h
@@ -44,7 +44,7 @@ public:
     };
 
     ViewerContext();
-    ViewerContext(QStringList selectors, QStringList paths,
+    ViewerContext(const QStringList &selectors, const QStringList &paths,
                   Dialect language = Dialect::Qml,
                   Flags flags = AddAllPaths);
 
diff --git a/src/libs/utils/filesearch.cpp b/src/libs/utils/filesearch.cpp
index fde54b3d48..42ffa561f1 100644
--- a/src/libs/utils/filesearch.cpp
+++ b/src/libs/utils/filesearch.cpp
@@ -85,7 +85,7 @@ class FileSearch
 {
 public:
     FileSearch(const QString &searchTerm, QTextDocument::FindFlags flags,
-               QMap<QString, QString> fileToContentsMap);
+               const QMap<QString, QString> &fileToContentsMap);
     void operator()(QFutureInterface<FileSearchResultList> &futureInterface,
                     const FileIterator::Item &item) const;
 
@@ -105,7 +105,7 @@ class FileSearchRegExp
 {
 public:
     FileSearchRegExp(const QString &searchTerm, QTextDocument::FindFlags flags,
-                     QMap<QString, QString> fileToContentsMap);
+                     const QMap<QString, QString> &fileToContentsMap);
     FileSearchRegExp(const FileSearchRegExp &other);
     void operator()(QFutureInterface<FileSearchResultList> &futureInterface,
                     const FileIterator::Item &item) const;
@@ -119,7 +119,7 @@ private:
 };
 
 FileSearch::FileSearch(const QString &searchTerm, QTextDocument::FindFlags flags,
-                       QMap<QString, QString> fileToContentsMap)
+                       const QMap<QString, QString> &fileToContentsMap)
 {
     this->fileToContentsMap = fileToContentsMap;
     caseSensitive = (flags & QTextDocument::FindCaseSensitively);
@@ -225,7 +225,7 @@ void FileSearch::operator()(QFutureInterface<FileSearchResultList> &futureInterf
 }
 
 FileSearchRegExp::FileSearchRegExp(const QString &searchTerm, QTextDocument::FindFlags flags,
-                                   QMap<QString, QString> fileToContentsMap)
+                                   const QMap<QString, QString> &fileToContentsMap)
 {
     this->fileToContentsMap = fileToContentsMap;
     QString term = searchTerm;
@@ -360,7 +360,7 @@ void cleanUpFileSearch(QFutureInterface<FileSearchResultList> &futureInterface,
 } // namespace
 
 QFuture<FileSearchResultList> Utils::findInFiles(const QString &searchTerm, FileIterator *files,
-    QTextDocument::FindFlags flags, QMap<QString, QString> fileToContentsMap)
+    QTextDocument::FindFlags flags, const QMap<QString, QString> &fileToContentsMap)
 {
     return mapReduce(files->begin(), files->end(),
                      [searchTerm, files](QFutureInterface<FileSearchResultList> &futureInterface) {
@@ -372,7 +372,7 @@ QFuture<FileSearchResultList> Utils::findInFiles(const QString &searchTerm, File
 }
 
 QFuture<FileSearchResultList> Utils::findInFilesRegExp(const QString &searchTerm, FileIterator *files,
-    QTextDocument::FindFlags flags, QMap<QString, QString> fileToContentsMap)
+    QTextDocument::FindFlags flags, const QMap<QString, QString> &fileToContentsMap)
 {
     return mapReduce(files->begin(), files->end(),
                      [searchTerm, files](QFutureInterface<FileSearchResultList> &futureInterface) {
@@ -585,7 +585,7 @@ FileIterator::const_iterator FileIterator::end() const
 
 // #pragma mark -- FileListIterator
 
-QTextCodec *encodingAt(const QList<QTextCodec *> encodings, int index)
+QTextCodec *encodingAt(const QList<QTextCodec *> &encodings, int index)
 {
     if (index >= 0 && index < encodings.size())
         return encodings.at(index);
diff --git a/src/libs/utils/filesearch.h b/src/libs/utils/filesearch.h
index 23336c3f11..6ddf18ab53 100644
--- a/src/libs/utils/filesearch.h
+++ b/src/libs/utils/filesearch.h
@@ -170,9 +170,9 @@ class QTCREATOR_UTILS_EXPORT FileSearchResult
 {
 public:
     FileSearchResult() {}
-    FileSearchResult(QString fileName, int lineNumber, QString matchingLine,
+    FileSearchResult(const QString &fileName, int lineNumber, const QString &matchingLine,
                      int matchStart, int matchLength,
-                     QStringList regexpCapturedTexts)
+                     const QStringList &regexpCapturedTexts)
             : fileName(fileName),
             lineNumber(lineNumber),
             matchingLine(matchingLine),
@@ -192,10 +192,10 @@ public:
 typedef QList<FileSearchResult> FileSearchResultList;
 
 QTCREATOR_UTILS_EXPORT QFuture<FileSearchResultList> findInFiles(const QString &searchTerm, FileIterator *files,
-    QTextDocument::FindFlags flags, QMap<QString, QString> fileToContentsMap = QMap<QString, QString>());
+    QTextDocument::FindFlags flags, const QMap<QString, QString> &fileToContentsMap = QMap<QString, QString>());
 
 QTCREATOR_UTILS_EXPORT QFuture<FileSearchResultList> findInFilesRegExp(const QString &searchTerm, FileIterator *files,
-    QTextDocument::FindFlags flags, QMap<QString, QString> fileToContentsMap = QMap<QString, QString>());
+    QTextDocument::FindFlags flags, const QMap<QString, QString> &fileToContentsMap = QMap<QString, QString>());
 
 QTCREATOR_UTILS_EXPORT QString expandRegExpReplacement(const QString &replaceText, const QStringList &capturedTexts);
 QTCREATOR_UTILS_EXPORT QString matchCaseReplacement(const QString &originalText, const QString &replaceText);
diff --git a/src/plugins/coreplugin/basefilewizardfactory.h b/src/plugins/coreplugin/basefilewizardfactory.h
index 0026a1d638..61972f17e1 100644
--- a/src/plugins/coreplugin/basefilewizardfactory.h
+++ b/src/plugins/coreplugin/basefilewizardfactory.h
@@ -58,7 +58,7 @@ public:
 
     explicit WizardDialogParameters(const QString &defaultPath, Id platform,
                                     const QSet<Id> &requiredFeatures, DialogParameterFlags flags,
-                                    QVariantMap extraValues)
+                                    const QVariantMap &extraValues)
         : m_defaultPath(defaultPath),
           m_selectedPlatform(platform),
           m_requiredFeatures(requiredFeatures),
diff --git a/src/plugins/coreplugin/find/highlightscrollbar.cpp b/src/plugins/coreplugin/find/highlightscrollbar.cpp
index 7a7a9f13b0..c63daa158c 100644
--- a/src/plugins/coreplugin/find/highlightscrollbar.cpp
+++ b/src/plugins/coreplugin/find/highlightscrollbar.cpp
@@ -128,7 +128,7 @@ void HighlightScrollBar::setPriority(Id category, HighlightScrollBar::Priority p
     m_overlay->scheduleUpdate();
 }
 
-void HighlightScrollBar::addHighlights(Id category, QSet<int> highlights)
+void HighlightScrollBar::addHighlights(Id category, const QSet<int> &highlights)
 {
     if (!m_overlay)
         return;
diff --git a/src/plugins/coreplugin/find/highlightscrollbar.h b/src/plugins/coreplugin/find/highlightscrollbar.h
index 505db15758..56129435c2 100644
--- a/src/plugins/coreplugin/find/highlightscrollbar.h
+++ b/src/plugins/coreplugin/find/highlightscrollbar.h
@@ -59,7 +59,7 @@ public:
 
     void setPriority(Id category, Priority prio);
     void addHighlight(Id category, int highlight);
-    void addHighlights(Id category, QSet<int> highlights);
+    void addHighlights(Id category, const QSet<int> &highlights);
 
     void removeHighlights(Id id);
     void removeAllHighlights();
diff --git a/src/plugins/coreplugin/iwizardfactory.cpp b/src/plugins/coreplugin/iwizardfactory.cpp
index 72cda1a63f..238f992a32 100644
--- a/src/plugins/coreplugin/iwizardfactory.cpp
+++ b/src/plugins/coreplugin/iwizardfactory.cpp
@@ -159,7 +159,7 @@ QWidget *s_currentWizard = nullptr;
 class NewItemDialogData
 {
 public:
-    void setData(const QString t, const QList<IWizardFactory *> f,
+    void setData(const QString &t, const QList<IWizardFactory *> &f,
                  const QString &dl, const QVariantMap &ev)
     {
         QTC_ASSERT(!hasData(), return);
diff --git a/src/plugins/projectexplorer/buildmanager.cpp b/src/plugins/projectexplorer/buildmanager.cpp
index 43d3b9469b..ca47ec0b20 100644
--- a/src/plugins/projectexplorer/buildmanager.cpp
+++ b/src/plugins/projectexplorer/buildmanager.cpp
@@ -462,7 +462,7 @@ void BuildManager::nextStep()
     }
 }
 
-bool BuildManager::buildQueueAppend(QList<BuildStep *> steps, QStringList names, const QStringList &preambleMessage)
+bool BuildManager::buildQueueAppend(const QList<BuildStep *> &steps, QStringList names, const QStringList &preambleMessage)
 {
     if (!d->m_running) {
         d->m_outputWindow->clearContents();
diff --git a/src/plugins/projectexplorer/buildmanager.h b/src/plugins/projectexplorer/buildmanager.h
index 16832c8849..349dad44ad 100644
--- a/src/plugins/projectexplorer/buildmanager.h
+++ b/src/plugins/projectexplorer/buildmanager.h
@@ -95,7 +95,7 @@ private:
     static void startBuildQueue();
     static void nextStep();
     static void clearBuildQueue();
-    static bool buildQueueAppend(QList<BuildStep *> steps, QStringList names, const QStringList &preambleMessage = QStringList());
+    static bool buildQueueAppend(const QList<BuildStep *> &steps, QStringList names, const QStringList &preambleMessage = QStringList());
     static void incrementActiveBuildSteps(BuildStep *bs);
     static void decrementActiveBuildSteps(BuildStep *bs);
     static void disconnectOutput(BuildStep *bs);
diff --git a/src/plugins/projectexplorer/projectexplorer.h b/src/plugins/projectexplorer/projectexplorer.h
index 3a596a6d3a..58958c08f2 100644
--- a/src/plugins/projectexplorer/projectexplorer.h
+++ b/src/plugins/projectexplorer/projectexplorer.h
@@ -72,7 +72,7 @@ public:
     class OpenProjectResult
     {
     public:
-        OpenProjectResult(QList<Project *> projects, QList<Project *> alreadyOpen,
+        OpenProjectResult(const QList<Project *> &projects, const QList<Project *> &alreadyOpen,
                           const QString &errorMessage)
             : m_projects(projects), m_alreadyOpen(alreadyOpen),
               m_errorMessage(errorMessage)
diff --git a/src/plugins/projectexplorer/sessiondialog.cpp b/src/plugins/projectexplorer/sessiondialog.cpp
index d3eba933c5..a1bae82fc2 100644
--- a/src/plugins/projectexplorer/sessiondialog.cpp
+++ b/src/plugins/projectexplorer/sessiondialog.cpp
@@ -38,14 +38,14 @@ namespace Internal {
 class SessionValidator : public QValidator
 {
 public:
-    SessionValidator(QObject *parent, QStringList sessions);
+    SessionValidator(QObject *parent, const QStringList &sessions);
     void fixup(QString & input) const;
     QValidator::State validate(QString & input, int & pos) const;
 private:
     QStringList m_sessions;
 };
 
-SessionValidator::SessionValidator(QObject *parent, QStringList sessions)
+SessionValidator::SessionValidator(QObject *parent, const QStringList &sessions)
     : QValidator(parent), m_sessions(sessions)
 {
 }
diff --git a/src/plugins/projectexplorer/settingsaccessor.cpp b/src/plugins/projectexplorer/settingsaccessor.cpp
index 4920da03b5..6d97e506fa 100644
--- a/src/plugins/projectexplorer/settingsaccessor.cpp
+++ b/src/plugins/projectexplorer/settingsaccessor.cpp
@@ -139,7 +139,7 @@ public:
 private:
     struct TargetDescription
     {
-        TargetDescription(QString tid, QString dn) :
+        TargetDescription(const QString &tid, const QString &dn) :
             id(tid),
             displayName(dn)
         {
diff --git a/src/plugins/projectexplorer/target.cpp b/src/plugins/projectexplorer/target.cpp
index cd9315da2d..3b480e8266 100644
--- a/src/plugins/projectexplorer/target.cpp
+++ b/src/plugins/projectexplorer/target.cpp
@@ -474,7 +474,7 @@ QIcon Target::overlayIcon() const
     return d->m_overlayIcon;
 }
 
-void Target::setOverlayIcon(QIcon icon)
+void Target::setOverlayIcon(const QIcon &icon)
 {
     d->m_overlayIcon = icon;
     emit overlayIconChanged();
diff --git a/src/plugins/projectexplorer/target.h b/src/plugins/projectexplorer/target.h
index 550ad4a24a..61f3ed5615 100644
--- a/src/plugins/projectexplorer/target.h
+++ b/src/plugins/projectexplorer/target.h
@@ -97,7 +97,7 @@ public:
 
     QIcon icon() const;
     QIcon overlayIcon() const;
-    void setOverlayIcon(QIcon icon);
+    void setOverlayIcon(const QIcon &icon);
     QString overlayIconToolTip();
 
     QVariantMap toMap() const override;
diff --git a/src/plugins/projectexplorer/taskwindow.cpp b/src/plugins/projectexplorer/taskwindow.cpp
index 5d0e44e56b..d8337cf6ff 100644
--- a/src/plugins/projectexplorer/taskwindow.cpp
+++ b/src/plugins/projectexplorer/taskwindow.cpp
@@ -209,7 +209,7 @@ public:
     QList<QAction *> m_actions;
 };
 
-static QToolButton *createFilterButton(QIcon icon, const QString &toolTip,
+static QToolButton *createFilterButton(const QIcon &icon, const QString &toolTip,
                                        QObject *receiver, std::function<void(bool)> lambda)
 {
     auto button = new QToolButton;
diff --git a/src/plugins/texteditor/colorpreviewhoverhandler.cpp b/src/plugins/texteditor/colorpreviewhoverhandler.cpp
index 448c40de41..c6ca5947d0 100644
--- a/src/plugins/texteditor/colorpreviewhoverhandler.cpp
+++ b/src/plugins/texteditor/colorpreviewhoverhandler.cpp
@@ -44,7 +44,7 @@ namespace TextEditor {
  * Qt::GlobalColor types (although there cannot be any spaces such as
  * "Qt:: yellow")
  */
-static QString extractColorString(const QString s, int pos)
+static QString extractColorString(const QString &s, int pos)
 {
     if (s.length() < 3 || pos < 0 || pos >= s.length())
         return QString();
diff --git a/src/plugins/texteditor/tabsettings.cpp b/src/plugins/texteditor/tabsettings.cpp
index 0bf4bc2995..fb9e93859b 100644
--- a/src/plugins/texteditor/tabsettings.cpp
+++ b/src/plugins/texteditor/tabsettings.cpp
@@ -312,7 +312,7 @@ QString TabSettings::indentationString(int startColumn, int targetColumn, int pa
     return s;
 }
 
-void TabSettings::indentLine(QTextBlock block, int newIndent, int padding) const
+void TabSettings::indentLine(const QTextBlock &block, int newIndent, int padding) const
 {
     const QString text = block.text();
     const int oldBlockLength = text.size();
diff --git a/src/plugins/texteditor/tabsettings.h b/src/plugins/texteditor/tabsettings.h
index 01ea77c5bb..b1316b4cb1 100644
--- a/src/plugins/texteditor/tabsettings.h
+++ b/src/plugins/texteditor/tabsettings.h
@@ -74,7 +74,7 @@ public:
     int indentationColumn(const QString &text) const;
     static int maximumPadding(const QString &text);
 
-    void indentLine(QTextBlock block, int newIndent, int padding = 0) const;
+    void indentLine(const QTextBlock &block, int newIndent, int padding = 0) const;
     void reindentLine(QTextBlock block, int delta) const;
 
     bool isIndentationClean(const QTextBlock &block, const int indent) const;
diff --git a/src/plugins/texteditor/typingsettings.cpp b/src/plugins/texteditor/typingsettings.cpp
index ae0f2149fc..13440c259f 100644
--- a/src/plugins/texteditor/typingsettings.cpp
+++ b/src/plugins/texteditor/typingsettings.cpp
@@ -80,7 +80,7 @@ bool TypingSettings::equals(const TypingSettings &ts) const
         && m_smartBackspaceBehavior == ts.m_smartBackspaceBehavior;
 }
 
-bool TypingSettings::tabShouldIndent(const QTextDocument *document, QTextCursor cursor, int *suggestedPosition) const
+bool TypingSettings::tabShouldIndent(const QTextDocument *document, const QTextCursor &cursor, int *suggestedPosition) const
 {
     if (m_tabKeyBehavior == TabNeverIndents)
         return false;
diff --git a/src/plugins/texteditor/typingsettings.h b/src/plugins/texteditor/typingsettings.h
index f71fb3c6cc..2fd37f016e 100644
--- a/src/plugins/texteditor/typingsettings.h
+++ b/src/plugins/texteditor/typingsettings.h
@@ -56,7 +56,7 @@ public:
 
     TypingSettings();
 
-    bool tabShouldIndent(const QTextDocument *document, QTextCursor cursor, int *suggestedPosition) const;
+    bool tabShouldIndent(const QTextDocument *document, const QTextCursor &cursor, int *suggestedPosition) const;
 
     void toSettings(const QString &category, QSettings *s) const;
     void fromSettings(const QString &category, const QSettings *s);