void comboBoxChanged (ComboBox*) { updatePreviewBoxText(); }
void sliderValueChanged (Slider*) { updatePreviewBoxText(); }
void selectedRowsChanged (int /*lastRowselected*/) { updatePreviewBoxText(); }
void buttonClicked (Button*) { updatePreviewBoxText(); }
void sliderValueChanged (Slider*) { // (this is called when the size slider is moved) updatePreviewBoxText(); }