TextEditor: Pass some const values by reference

Change-Id: I059ee93d986425ebf6896bfad92845246d351831
Reviewed-by: David Schulz <david.schulz@digia.com>

src/plugins/texteditor/basetexteditor.cpp

@@ -4782,7 +4782,7 @@ BaseTextEditorAnimator::BaseTextEditorAnimator(QObject *parent)
 }
 
 
-void BaseTextEditorAnimator::setData(QFont f, QPalette pal, const QString &text)
+void BaseTextEditorAnimator::setData(const QFont &f, const QPalette &pal, const QString &text)
 {
     m_font = f;
     m_palette = pal;

src/plugins/texteditor/basetexteditor.h

@@ -92,7 +92,7 @@ public:
     inline void setPosition(int position) { m_position = position; }
     inline int position() const { return m_position; }
 
-    void setData(QFont f, QPalette pal, const QString &text);
+    void setData(const QFont &f, const QPalette &pal, const QString &text);
 
     void draw(QPainter *p, const QPointF &pos);
     QRectF rect() const;