Index: src/main/java/common/javax/swing/plaf/basic/BasicSliderUI.java =================================================================== --- src/main/java/common/javax/swing/plaf/basic/BasicSliderUI.java (revision 498993) +++ src/main/java/common/javax/swing/plaf/basic/BasicSliderUI.java (working copy) @@ -207,6 +207,10 @@ @Override public void mousePressed(final MouseEvent e) { + if (!slider.isEnabled()) { + return; + } + if (!slider.isFocusOwner()) { slider.requestFocus(); }