Able to Copy Text from uneditable Text Boxes(JTextfields) in Linux

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http://www.linuxquestions.org – Hi please any one can help me on this, I have JTextfields in my application, i have overrided the JTextfield copy method using public void copy(); Jtextfield.setHighlighter(null); So i am not able to copy text from JTextfield to other text editor in windows. In Linux MouseDrag on Jtextfield data and paste in text editor also not able to paste data but MouseDrag on Jtextfield data and using center button of mouse(scroller) able to paste data on other text editor same thing is happening with double click and tab also. In windows it's working fine. (HowTos)