const'ify/ref + minor optimization

[kdenlive] / src / complexparameter.h

diff --git a/src/complexparameter.h b/src/complexparameter.h
index 8d3dc9fa30d87a3bcd65c28de0a3766d90f41002..9c2338bae26cafd1cc599dd298b7bb6d81e2964e 100644 (file)
--- a/src/complexparameter.h
+++ b/src/complexparameter.h
@@ -29,8 +29,8 @@ class ComplexParameter : public QWidget
     Q_OBJECT
 
 public:
-    ComplexParameter(QWidget *parent = 0);
-    QDomElement getParamDesc();
+    explicit ComplexParameter(QWidget *parent = 0);
+    QDomElement getParamDesc() const;
 private:
     Ui::KeyframeWidget_UI m_ui;
     QDomElement m_param;
@@ -45,9 +45,9 @@ public slots:
     void slotShowInTimeline();
     void slotParameterChanged(const QString&);
     void itemSelectionChanged();
-    void setupParam(const QDomElement, const QString& paramName, int, int);
-    void slotUpdateEffectParams(QDomElement e);
-    void slotUpdateParameterList(QStringList);
+    void setupParam(const QDomElement &, const QString& paramName, int, int);
+    void slotUpdateEffectParams(const QDomElement &e);
+    void slotUpdateParameterList(const QStringList &);
 signals:
     void removeEffect(ClipItem*, QDomElement);
     void updateClipEffect(ClipItem*, QDomElement);