How do I keep JTextFields in a Java Swing BoxLayout from expanding?

Question

I have a JPanel that looks something like this:

JPanel panel = new JPanel();
panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));

...

pane         


        

Answer 1

If you want the width to keep changing, just keep it set to MAX INT. So...

textField.setMaximumSize( 
     new Dimension(Integer.MAX_VALUE, textField.getPreferredSize().height) );