protected void installDefaults(JSlider slider) {
super.installDefaults(slider);
focusInsets = new Insets(0, 0, 0, 0);
slider.setOpaque(false);
if (slider.getOrientation() == JSlider.HORIZONTAL) {
slider.setBorder(new VisualMargin(0, 1, -1, 1));
} else {
slider.setBorder(new VisualMargin(0, 0, 0, 1));
}
// slider.setRequestFocusEnabled(QuaquaManager.getBoolean("Slider.requestFocusEnabled"));
slider.setRequestFocusEnabled(true);
}