Question

Frame Title Bar

Asked by: muraliram

Can I remove the title bar of a JFrame ? also is there any way to remove the functionalities of minimize,maximize buttons.Also the problem I facing is this. When I add some Swing Text Componenents into a JWindow the Caret is not shown and issuing the requestFocus() to any of these text components will stop focus traversal when we press TAB key. The problem is not there with JFrame. But my application doesn't need a title bar. very urgent. Can anyone help me.

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Asked On
2001-02-02 at 04:59:00ID20068909
Tags

jframe

,

minimize

,

bar

,

title

Topic

Java Programming Language

Participating Experts
6
Points
150
Comments
11

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Answers

 

by: girionisPosted on 2001-02-02 at 05:08:22ID: 5805864

 No you cannot remove it but you can delete the title or set your own one.

  Use:  super(<your title here>); in the constructor of your application in order to do it.

  Hope this helps.

 

by: jim_cakalicPosted on 2001-02-02 at 07:44:32ID: 5806359

There might be a solution but it would be platform-dependent. Does that matter to you?

 

by: conickPosted on 2001-02-02 at 10:01:46ID: 5806958

EE doesnt allow me to post long code I will try to do it in 2 comments

I wasnt aware of this so I tried it out and found the same problem.
I looked at the bug database and found:

http://developer.java.sun.com/developer/bugParade/bugs/4290675.html
This is apparently fixed in a non public release (a lot of help that is to you now).  Hopefully its 1.3.1 (Merlin was 1.3 wasnt it?) and not 1.4.

This has a pure java workaround that seems to work well (for my test case).
http://developer.java.sun.com/developer/bugParade/bugs/4408683.html

Heres the test case. Keep in mind the FocusWindow class is not mine. I havent looked into what exactly is being overwritten in the JWindow class (it may cause other problems).

public class WindowTest {
     private static JTextField[] tf = new JTextField[9];
     public static void main(String args[])  {
          FocusWindow test = new FocusWindow(true);
          JPanel contentPane = new JPanel();
          contentPane.setLayout(new BorderLayout(5,5));
          JPanel main = new JPanel();
          main.setLayout(new GridLayout(3,3,20,20));
          for (int i=0;i<9;i++)  {
               tf[i] = new JTextField();
               main.add(tf[i]);
          }
          JButton button = new JButton("Close Me");
          button.addActionListener(new ActionListener()  {
               public void actionPerformed(ActionEvent e)  {
                    System.exit(0);
               }
          });
          contentPane.add(BorderLayout.SOUTH,button);          
          contentPane.add(BorderLayout.CENTER,main);
          test.setContentPane(contentPane);
          test.setSize(400,300);
          Dimension size = Toolkit.getDefaultToolkit().getScreenSize();
          test.setLocation(size.width/2-test.getWidth()/2,size.height/2-test.getHeight()/2);
          test.setVisible(true);
     }
}

 

by: conickPosted on 2001-02-02 at 10:04:39ID: 5806975

EE doesnt like the FocusWindow class (from the URL above). But you can get it from the URL.
(I probably shouldnt be posting code that isnt mine anyway)

Let me know if it doesnt work with anything you are using.

 

by: omry_yPosted on 2001-02-05 at 13:41:20ID: 5815122

just use a Window.

import java.awt.*;

public class Test extends Window
{
    static public void main(String args[])
    {
        Frame dummy = new Frame();
        new Test(dummy);
    }

    Test(Frame owner)
    {
        super(owner);
        setBackground(Color.blue);
        setSize(300,300);
        setLocation(200,200);
        show();
    }
}

 

by: omry_yPosted on 2001-02-05 at 13:44:03ID: 5815130

about the focus problem, try this :

JTextField tf_input = new JTextField(){
        boolean firstPaint = true;
        public void paint(Graphics g)
        {
                super.paint(g);
                if(firstPaint)
                {
                        firstPaint = false;
                        tf_input.requestFocus();
                }
        }
};

this will cause your text field to request the focus on the first paint.

 

by: astaecPosted on 2001-05-15 at 13:27:38ID: 6083616

Greetings,

This question is still open today.  Perhaps it was overlooked.  If you've been helped, just choose the expert's comment which served your needs as the accepted answer to then grade and close.  If more is needed, please advise.

Your responsiveness is appreciated.

Asta

 

by: glottisPosted on 2003-07-01 at 03:31:38ID: 8833185

No comment has been added lately, so it's time to clean up this TA.
I will leave a recommendation in the Cleanup topic area that this question is:

[Points split between conick and omry_y.]

Please leave any comments here within the next seven days.

PLEASE DO NOT ACCEPT THIS COMMENT AS AN ANSWER!

Imran Zahid
EE Cleanup Volunteer

 

by: girionisPosted on 2003-07-02 at 01:48:03ID: 8838181

Fine by me :-)

 

by: jim_cakalicPosted on 2003-07-02 at 09:07:01ID: 8841639

OK.

20120131-EE-VQP-002

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