Re: L&F gotcha

From:
"John B. Matthews" <nospam@nospam.invalid>
Newsgroups:
comp.lang.java.gui
Date:
Mon, 19 Apr 2010 23:28:12 -0400
Message-ID:
<nospam-7161F9.23281219042010@news.aioe.org>
In article <hqj377$gp1$1@news.eternal-september.org>,
 markspace <nospam@nowhere.com> wrote:

Roedy Green wrote:

I figured out you must reset the decoration, after you change the L&F,
while the Frame is not realised, like this:


This didn't really work for me. It redrew the frame all right, but I
always got the Windows (my OS) style frame, never the requested L&F.
More work needed I think.

Here's the snippet of Code I changed from John's link. It was pretty
much a blind change, I didn't read through all of Rob Camick's code:


[...]

I get the same result: no change to the JFrame. I think this is the
expected result. The decorations of top-level containers such as JFrame
and JDialog are managed by the host OS. There are no UIManager defaults
for Frame or Dialog, but you can see each L&F's corresponding
decorations in InternalFrame:

<http://tips4java.wordpress.com/2008/10/09/uimanager-defaults/>

I got the same result when I used com.mindprod.common15.Laf with this:

public static void main(String[] args) {
    EventQueue.invokeLater(new Runnable() {

        @Override
        public void run() {
            JFrame f = new JFrame();
            JMenuBar menuBar = new JMenuBar();
            menuBar.add(Laf.buildLookAndFeelMenu());
            f.setJMenuBar(menuBar);
            f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
            f.add(new JTree());
            f.pack();
            f.setVisible(true);
        }
    });
}

I also moved UIManager.getSystemLookAndFeelClassName() to the beginning
of preferredClassNames[], as it's a more reliable default.

--
John B. Matthews
trashgod at gmail dot com
<http://sites.google.com/site/drjohnbmatthews>

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