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From: Martin Gregorie <martin@address-in-sig.invalid>
Newsgroups: comp.lang.java.programmer
Subject: Re: How to align swing buttons vertically ?
Date: Sun, 13 Nov 2011 19:17:31 +0000 (UTC)
Organization: UK Free Software Network
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On Sun, 13 Nov 2011 18:28:44 +0100, Olivier Scalbert wrote:

> On 11/13/2011 03:38 PM, Martin Gregorie wrote:
>> That's nothing to do with the layout. It aligns the objects you're
>> laying out by doing its best with the sizes of the objects you created.
>> 
>> JButton inherits size setting methods (setMaximumSize, setMinimumSize,
>> setPreferredSize) from JComponent. Use them to control button size.
>> 
> Perhaps I have not understand, but with the following code, buttons are
> not well aligned:
> 
They aligned as I'd expect: 
- btnPanel is sized to contain the buttons and nothing else
  and is placed as you asked, on the east side of the content pane.
 
- The buttons have their centres aligned.

I don't understand what you mean by "not well aligned":

- If you want the buttons to appear as other than a close-packed block,
  take a look at "How to use BoxLayout" in the Java tutorial. It is also
  referenced from the the class description in the BoxLayout javadocs
  entry.

- If you want all buttons to be the same size, use a custom class in
  place of JButton:

import java.awt.*;
import javax.swing.*;

class MyButton extends JButton 
{

   public MyButton(String label) 
{
      super(label);

      Dimension d = new Dimension(120, 30);      
      setMinimumSize(d);
      setMaximumSize(d);
      setPreferredSize(d);
   }   
}


-- 
martin@   | Martin Gregorie
gregorie. | Essex, UK
org       |