47    QPointer<QgsLayoutItemPolyline> mPolyline;
 
   50    void enableStartSvgInputElements( 
bool enable );
 
   51    void enableEndSvgInputElements( 
bool enable );
 
   56    void setGuiElementValues();
 
   59    void arrowStrokeWidthChanged( 
double d );
 
   60    void arrowHeadWidthChanged( 
double d );
 
   61    void arrowHeadFillColorChanged( 
const QColor &newColor );
 
   62    void arrowHeadStrokeColorChanged( 
const QColor &newColor );
 
   63    void startArrowHeadToggled( 
bool toggled );
 
   64    void endArrowHeadToggled( 
bool toggled );
 
   65    void startNoMarkerToggled( 
bool toggled );
 
   66    void endNoMarkerToggled( 
bool toggled );
 
   67    void startSvgMarkerToggled( 
bool toggled );
 
   68    void endSvgMarkerToggled( 
bool toggled );
 
   69    void mStartMarkerLineEdit_textChanged( 
const QString &text );
 
   70    void mEndMarkerLineEdit_textChanged( 
const QString &text );
 
   71    void mStartMarkerToolButton_clicked();
 
   72    void mEndMarkerToolButton_clicked();