/** handle click on {@link PopupMenuButtonW this button} */
void handleClick() {
onClickAction();
if (EuclidianStyleBarW.CURRENT_POP_UP != myPopup || !app.wasPopupJustClosed()) {
if (EuclidianStyleBarW.CURRENT_POP_UP != null) {
EuclidianStyleBarW.CURRENT_POP_UP.hide();
}
EuclidianStyleBarW.CURRENT_POP_UP = myPopup;
app.registerPopup(myPopup);
myPopup.showRelativeTo(getWidget());
myPopup.getFocusPanel().getElement().focus();
} else {
myPopup.setVisible(false);
EuclidianStyleBarW.CURRENT_POP_UP = null;
}
}
