Re: Frustrations with layouts

From:

"John B. Matthews" <nospam@nospam.invalid>

Newsgroups:

comp.lang.java.programmer

Date:

Sat, 03 Apr 2010 15:33:18 -0400

Message-ID:

<nospam-F951D0.15331803042010@news.aioe.org>

In article <hp7ldg$bqs$1@news.eternal-september.org>,
Sam Takoy <sam.takoy@yahoo.com> wrote:

In the following code, I'm trying to get the two buttons to be the same
width. They remain different widths, however, the panel adjusts width to
accommodate the preferred size. What gives? I have 1.6.0_18(I have
always found laying out with Swing to be an incredible pita.)

import javax.swing.*;

public class Test {

   public static void main(String[] args) {
     JButton b1 = new JButton("A");
     JButton b2 = new JButton("BB");

     b1.setPreferredSize(new java.awt.Dimension(200, 20));
     b2.setPreferredSize(new java.awt.Dimension(200, 20));

     JPanel panel = new JPanel();
     panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
     panel.add(b1);
     panel.add(b2);

     JFrame frame = new JFrame("Test");
     frame.getContentPane().add(panel);
     frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
     frame.pack();
     frame.setVisible(true);
   }
}

You can also set the minimum, preferred and maximum sizes, as discussed
in "Specifying Component Sizes", but the resulting layout is rather
rigid in the face of changing fonts, locales and platforms.

<http://java.sun.com/docs/books/tutorial/uiswing/layout/box.html>

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

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