nimbus-ios

问题 Some previous entries here address paintComponent() being called repeatedly, but the answers hinged on paintComponent itself calling repaint(). Using Nimbus L&F, if I subclass JPanel and add a JButton or JTextField, then my JPanel's paintComponent() method gets called whenever I enter or leave a child. In addition, if the JTextField gets focus, my panel's paintComponent() method gets called for every flash of the text field's position cursor. My paintComponent() method does nothing other than

问题 Some previous entries here address paintComponent() being called repeatedly, but the answers hinged on paintComponent itself calling repaint(). Using Nimbus L&F, if I subclass JPanel and add a JButton or JTextField, then my JPanel's paintComponent() method gets called whenever I enter or leave a child. In addition, if the JTextField gets focus, my panel's paintComponent() method gets called for every flash of the text field's position cursor. My paintComponent() method does nothing other than