Why my System Look and feel got corrupted ??

HI ,
I have written a simple swing app which consists of jtextarea in a jscrollpane , and a jbutton, in which the textarea is updated with random text.
I decided to change the theme to native look&feel and so i included the
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName() );
in the constructor ..
but the components went messy in the output !!!
It'sn't a system look and feel ..
I tried inserting in a static block before the constructor and tried changing the theme ... but in vain
take a look
http://img228.imageshack.us/my.php?image=javaswingprobaw3.jpg
Pls help

My thoughts exactly .. looks Windowsy to me.

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JFileChooser and system look and feel

I have a problem with the GUI of my filechooser. I use system look and feel (WinNT), and when I draw the dialog, the Files of type combobox is wrong painted. The size isn't correct (too big). Any suggestions?
Harald

You should report it here
http://developers.sun.com/contact/index.jsp

Why is my look and feel grey and not aqua blue

Additional comment: long ago I saw Mac's with friends and the scrollbars were blue.
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Quite different from what is shown on Wikipaedia: AQUA Look And Feel.
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I wouldn't suggest you count on Apple returning to colored scroll bars etc. That doesn't seem to be Apple's direction, though with Jonathan Ive taking over the direction of UI for OS X and iOS, that may change. You can express your desire to Apple via their feedback page, if you wish:
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Motif look and feel

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import javax.swing.JOptionPane;
import javax.swing.UIManager;
public class TestMotif {
     * @param args
     public static void main(String[] args) {
          try
               //UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
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in motif look and feel(system look and feel for solaris os)the dialog size is dependent on the message text length not on tilte text length.
whereas in other look and feel the dialog size is dependent on both message and title text length.I raisedn it in sun's bug but didnt get any reply.Can anyone tell how can it be fixed in jre level.
Edited by: AGS_CONTACT on Jun 30, 2008 11:07 AM

It's not the answer you want to hear, but it's pretty simple:
Write your own JDialog subclass that implements the behavior you want. It should be pretty straightforward to write a JOptionPane message dialog clone.

NetBeans: Dinamically changing Look and Feel Problem

Hi there, Java lovers.
I need some help here!
I love java, and I used to program my graphical user interfaces by hand. In my applications, there is a dropdown for the user to chose the desired look and feel. Then I save the selected option to a file and on the startup I do something like this:
UIManager.setLookAndFeel(savedUserSelectedLookAndFeel);That always worked really fine. The look and feel would change and everything worked really well.
However, programing GUI by hand is really a PITA. So I was seduced by Netbeans. I am using Netbeans 6.0 on Windows XP, and I designed the GUIs really fast now.
The problem is, the system look and feel works really well, but when I change the look and feel of my application to a different one (Java/Motif/etc..) the look and feel changes but the components positions and sizes becomes all messed up. It really becomes impossible to work with a different look and feel because some components are outside of frames.
I believe the cause of this is because Netbeans generates the code automatically using Grids and stuff like that, and by doing so, the change of the look and feel becomes messed up. This is a thing that would not happen with my manually created code.
This is really troubling me. Does someone has the same problem. Is there something I can do? Or do I need to create my GUIs by hand like before?

Oyashiro-sama (少し日本語を知っているし、そんな「様」っていう使い方はちょっと変そうですね　(^_-) 「冗談」っていう顔文字です。）
Sorry for the delay in reply, but one problem for you is that this is not a NetBeans users forum, thus you will not necessarily receive speedy replies here to your NetBeans questions. The best place to send NetBeans questions is:
[email protected]
[email protected] (for NetBeans API issues)
As for your question, you seem to already know quite a bit about NetBeans UI Look and Feel programming, but have you seen these:
WORKING WITH SWING LOOK AND FEEL:
http://java.sun.com/developer/JDCTechTips/2004/tt0309.html#1
Java GUI Swing Programming Using NetBeans 5 (should apply to NetBeans 6):
http://wiki.netbeans.org/JavaGUISwingProgrammingUsingNetBeans5
Regards,
-Brad Mayer

Trying to reinstall Acrobat Pro X from disc onto win 8.1 system. (Previous installation got corrupted) Continually getting message 'Acrobat has detected another process which has not yet completed-'. Have now closed system both cold (full shutdown) and wa

Trying to reinstall Acrobat Pro X from disc onto win 8.1 system. (Previous installation got corrupted) Continually getting message ‘Acrobat has detected another process which has not yet completed…’. Have now closed system both cold (full shutdown) and warm (restart) over 10 times. Every time I go to reinstall I get message.

I would run http://labs.adobe.com/downloads/acrobatcleaner.html and delete any Acrobat folders that have been created, then try again. Be sure to log in as the administrator and disable anti-virus when you have problems like this.

Why cant UIManager get system look and fell (sometimes)

heres what i use:
try{
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catch(Exception exception){}
most of the time this executes fine, but some times the program wont run and i get this error message in a txt file. It starts out like this:
An unexpected exception has been detected in native code outside the VM...
I think this may occur more often when im opening alot of programs at the same time
any help good

I would have thought if it could not find windows look and feel it would go to default l&f not give this error...

Swing disabled components look and feel problem.

Hi All,
I have a Swing application. My system is recently upgraded to JRE 1.6 and I'm facing problem with look and feel of swing components when they are disabled. Color of disabled components is very faint and its being difficult to read the text in such disabled components. In JRE 1.4 this problem was not there. Please let me know what I can do to get the look and feel(Color and Font) of disabled components, same as JRE 1.4.
Thanks

Sandip_Jarad wrote:
..I have a Swing application. My system is recently upgraded to JRE 1.6 and I'm facing problem with look and feel of swing components when they are disabled. Which look and feel is the application using? As an aside, did it never occur to you to mention the PLAF?
..Color of disabled components is very faint and its being difficult to read the text in such disabled components. Why is it so gosh-darned important to read the text on a control that is (supposedly) not relevant or not available?
..In JRE 1.4 this problem was not there. Please let me know what I can do to get the look and feel(Color and Font) of disabled components, same as JRE 1.4. Here are some suggestions, some of them are actually serious. I'll leave it as an exercise for you, to figure out which ones.
- Run the app. in 1.4.
- Use a custom PLAF that offers a 'less faint' rendering of disabled components.
- Use Motif PLAF (I haven't checked, but I bet that has not changed since 1.4).
- Put the important text in a tool-tip.

Creating an messagebox in forms with look and feel of Windows

I wanted to create an message box in my form with look and feel of windows.For this i used the package ORA.FFI...but i am getting an error....and i am not bale to clear it...the code is as follows
Package Specification: -
PACKAGE messagebox IS
/*Function message_box calls windows MessageBox function. */
FUNCTION message_box(plptext IN VARCHAR2,plpcaption IN VARCHAR2)
RETURN PLS_INTEGER;
END;
Package body : -
PACKAGE BODY messagebox IS
lh_window ORA_FFI.LIBHANDLETYPE;
fh_mb ORA_FFI.FUNCHANDLETYPE;
lh_forms ora_ffi.libHandleType;
/* Function i_mbx acts as the interface to the Messagebox
function in windows
FUNCTION i_mbx(funchandle IN ORA_FFI.FUNCHANDLETYPE,
plptext IN OUT VARCHAR2,
plpcaption IN OUT VARCHAR2)
RETURN PLS_INTEGER;
PRAGMA interface(C,i_mbx,11265);
FUNCTION message_box(plptext IN VARCHAR2,
plpcaption IN VARCHAR2)
RETURN PLS_INTEGER IS
ltext VARCHAR2(500) := plptext;
lcaption VARCHAR2(500) := plpcaption;
BEGIN
RETURN(i_mbx(fh_mb,ltext,lcaption));
END;
BEGIN
lh_window := ORA_FFI.LOAD_LIBRARY('d:\','DclMsgBox.dll');
fh_mb := ORA_FFI.REGISTER_FUNCTION(lh_window,'DclMsgBox',ORA_FFI.C_STD);
ORA_FFI.REGISTER_RETURN(fh_mb,ORA_FFI.C_CHAR_PTR);
ORA_FFI.REGISTER_RETURN(fh_mb,ORA_FFI.C_CHAR_PTR);
--ORA_FFI.REGISTER_RETURN(fh_mb,ORA_FFI.C_INT);
END;
Now when i call this function in When-New-Form-Instance as
declare
p number;
begin
p:=messagebox.message_box('hello','test');
end;
I had created an dll for message box and placed the .dll and .lib files in the d:\ of my system.
I get an error message when i run the app. The error is:
The instruction at "0x005a3b24" referenced memory at "0x00000006".The memory could not be "read".
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Colin Martin wrote:
I agree the leather look is horrible. It's just not a reflection of the cutting edge modern design we have all got to love over the years. If it has to be there at least give us a choice of looks.
There is a word for this (not that one) - skeuomorph. Wikipedia defines this as 'a derivative object that retains ornamental design cues to a structure that was necessary in the original. Skeuomorphs may be deliberately employed to make the new look comfortably old and familiar'.
Common examples are found in audio software with pictures of actual knobs that you turn, as here; and the leather-bound tear-off look of calendar and contacts on the iPad is the same principle: the intention is to make it familiar and friendly to people who might otherwise be frightened off by a modern look because they are not used to modern technology. The whole concept and look of the iOS operating system is being brought into use on Macs for the same reason, to encourage non-tech-savvy people not to be frightened of them.
This is all very well in its way, but in these two particular cases the result is unfortunate, particularly for experienced users, and it really ought to be possible to choose between the looks (as you can with the Mail layouts), even if the skeuomorph is the default.

Modifying Quiz look and feel

This question has likely been asked before, but I did a
search of the forum and couldn't find a specific posting. My
company has just purchased me a copy of Captivate 2, so some of it
is a bit new to me.
My question is....
Can the visual components of a quiz slide (such as the button
style) be modified directly in Captivate 2? I get how to modify the
player controls, but can't seem to find any files where I can do
the same to quiz slide components.
If I can not do this directly in Captivate, would I be able
to do this without breaking anything, by exporting a project to
Flash?
The company I work for would like to customize (think
"branding") the Captivate generated controls and general look and
feel of a finished project. This would be so that different, less
technical developers, could create materials that had the same
style.
Any resources anyone can point me toward would be
appreciated.
Thank you,
TPK

Colin Martin wrote:
I agree the leather look is horrible. It's just not a reflection of the cutting edge modern design we have all got to love over the years. If it has to be there at least give us a choice of looks.
There is a word for this (not that one) - skeuomorph. Wikipedia defines this as 'a derivative object that retains ornamental design cues to a structure that was necessary in the original. Skeuomorphs may be deliberately employed to make the new look comfortably old and familiar'.
Common examples are found in audio software with pictures of actual knobs that you turn, as here; and the leather-bound tear-off look of calendar and contacts on the iPad is the same principle: the intention is to make it familiar and friendly to people who might otherwise be frightened off by a modern look because they are not used to modern technology. The whole concept and look of the iOS operating system is being brought into use on Macs for the same reason, to encourage non-tech-savvy people not to be frightened of them.
This is all very well in its way, but in these two particular cases the result is unfortunate, particularly for experienced users, and it really ought to be possible to choose between the looks (as you can with the Mail layouts), even if the skeuomorph is the default.

JComboBox Lost Listener on Look and Feel change

When the user change the Look And Feel on the Fly , any Listener that is done using
myComboBox.getEditor().getEditorComponent().addXXXListener
is lost
I'm using Windows XP Service Pack 2, java 6 build 105
Does someone have any inputs why this happen or how this can be "fixed" or maybe prevent. Do I'm doing something wrong?
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;
import java.util.*;
import java.text.SimpleDateFormat;
/* ComboBoxDemo2.java requires no other files. */
public class ComboBoxDemo2 extends JPanel
                           implements ActionListener {
    static JFrame frame;
    JLabel result;
    String currentPattern;
    public ComboBoxDemo2() {
        setLayout(new BoxLayout(this, BoxLayout.PAGE_AXIS));
        String[] patternExamples = {
                 "dd MMMMM yyyy",
                 "dd.MM.yy",
                 "MM/dd/yy",
                 "yyyy.MM.dd G 'at' hh:mm:ss z",
                 "EEE, MMM d, ''yy",
                 "h:mm a",
                 "H:mm:ss:SSS",
                 "K:mm a,z",
                 "yyyy.MMMMM.dd GGG hh:mm aaa"
        currentPattern = patternExamples[0];
        //Set up the UI for selecting a pattern.
        JLabel patternLabel1 = new JLabel("Enter the pattern string or");
        JLabel patternLabel2 = new JLabel("select one from the list:");
        JComboBox patternList = new JComboBox(patternExamples);
        patternList.setEditable(true);
        patternList.addActionListener(this);
//-------------------------------- XXX------------------------------------------
//      This KeyListener it is lost when the user change the theme on the fly
        patternList.getEditor().getEditorComponent().addKeyListener(new KeyAdapter()
        public void keyPressed(KeyEvent e)
         System.out.println(" Key pressed is "+e.getKeyCode());
        //Create the UI for displaying result.
        JLabel resultLabel = new JLabel("Current Date/Time",
                                        JLabel.LEADING); //== LEFT
        result = new JLabel(" ");
        result.setForeground(Color.black);
        result.setBorder(BorderFactory.createCompoundBorder(
             BorderFactory.createLineBorder(Color.black),
             BorderFactory.createEmptyBorder(5,5,5,5)
        //Lay out everything.
        JPanel patternPanel = new JPanel();
        patternPanel.setLayout(new BoxLayout(patternPanel,
                               BoxLayout.PAGE_AXIS));
        patternPanel.add(patternLabel1);
        patternPanel.add(patternLabel2);
        patternList.setAlignmentX(Component.LEFT_ALIGNMENT);
        patternPanel.add(patternList);
        JPanel resultPanel = new JPanel(new GridLayout(0, 1));
        resultPanel.add(resultLabel);
        resultPanel.add(result);
        patternPanel.setAlignmentX(Component.LEFT_ALIGNMENT);
        resultPanel.setAlignmentX(Component.LEFT_ALIGNMENT);
        add(patternPanel);
        add(Box.createRigidArea(new Dimension(0, 10)));
        add(resultPanel);
        setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
        reformat();
    } //constructor
    public void actionPerformed(ActionEvent e) {
         System.out.println("Action Event");
        JComboBox cb = (JComboBox)e.getSource();
        String newSelection = (String)cb.getSelectedItem();
        currentPattern = newSelection;
        reformat();
    /** Formats and displays today's date. */
    public void reformat() {
         try {
        Date today = new Date();
        SimpleDateFormat formatter =
           new SimpleDateFormat(currentPattern);
            String dateString = formatter.format(today);
            result.setForeground(Color.black);
            result.setText(dateString);
        }catch (IllegalArgumentException iae) {
        System.out.println("Ilegal argument Exception");
        catch (Exception e) {
        System.out.println("Argument Exception");
     * Create the GUI and show it. For thread safety,
     * this method should be invoked from the
     * event-dispatching thread.
    private static void createAndShowGUI() {
        //Create and set up the window.
        final JFrame frame = new JFrame("ComboBoxDemo2");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        //Create and set up the content pane.
        JComponent newContentPane = new ComboBoxDemo2();
        newContentPane.setOpaque(true); //content panes must be opaque
        frame.setLayout(new BorderLayout());
        //frame.setContentPane(newContentPane,BorderLayout.CENTER);
        JMenuBar menuBar = new JMenuBar();
        JMenu theme = new JMenu("Theme");
        ButtonGroup bttnGroup = new ButtonGroup();
        JCheckBoxMenuItem metal = new JCheckBoxMenuItem("Metal");
        bttnGroup.add(metal);
        metal.addActionListener(new ActionListener(){
         public void actionPerformed(ActionEvent e){
          try{
          UIManager.setLookAndFeel(UIManager.getCrossPlatformLookAndFeelClassName());
          SwingUtilities.updateComponentTreeUI(frame);
          }catch(Exception a){a.printStackTrace();}
          theme.add(metal);
        JCheckBoxMenuItem system = new JCheckBoxMenuItem("System");
        bttnGroup.add(system);
        system.addActionListener(new ActionListener(){
         public void actionPerformed(ActionEvent e){
          try{
          UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
          SwingUtilities.updateComponentTreeUI(frame);
          }catch(Exception a){a.printStackTrace();}
        theme.add(system);
        menuBar.add(theme);
        frame.setJMenuBar(menuBar);
        JToolBar jtb = new JToolBar();
        jtb.add(newContentPane);
        frame.add(jtb, BorderLayout.PAGE_START);
        //Display the window.
        frame.pack();
        frame.setVisible(true);
    public static void main(String[] args) {
        //Schedule a job for the event-dispatching thread:
        //creating and showing this application's GUI.
        javax.swing.SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                createAndShowGUI();
}

Thanks to both Rodney_McKay and jasper for their replys and ideas
This code is working fine
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;
import java.util.*;
import java.text.SimpleDateFormat;
/* ComboBoxDemo2.java requires no other files. */
public class ComboBoxDemo2 extends JPanel
                           implements ActionListener {
    static JFrame frame;
    JLabel result;
    String currentPattern;
    private JComboBox patternList = new JComboBox();
    public ComboBoxDemo2() {
        setLayout(new BoxLayout(this, BoxLayout.PAGE_AXIS));
        String[] patternExamples = {
                 "dd MMMMM yyyy",
                 "dd.MM.yy",
                 "MM/dd/yy",
                 "yyyy.MM.dd G 'at' hh:mm:ss z",
                 "EEE, MMM d, ''yy",
                 "h:mm a",
                 "H:mm:ss:SSS",
                 "K:mm a,z",
                 "yyyy.MMMMM.dd GGG hh:mm aaa"
        currentPattern = patternExamples[0];
        //Set up the UI for selecting a pattern.
        JLabel patternLabel1 = new JLabel("Enter the pattern string or");
        JLabel patternLabel2 = new JLabel("select one from the list:");
        patternList = new JComboBox(patternExamples){
        public void updateUI(){
        System.out.println("UPDATE UI");
        super.updateUI();
        changeUIAddEditorListener();
        changeUIAddEditorListener();
        patternList.setEditable(true);
        patternList.addActionListener(this);
        //Create the UI for displaying result.
        JLabel resultLabel = new JLabel("Current Date/Time",
                                        JLabel.LEADING); //== LEFT
        result = new JLabel(" ");
        result.setForeground(Color.black);
        result.setBorder(BorderFactory.createCompoundBorder(
             BorderFactory.createLineBorder(Color.black),
             BorderFactory.createEmptyBorder(5,5,5,5)
        //Lay out everything.
        JPanel patternPanel = new JPanel();
        patternPanel.setLayout(new BoxLayout(patternPanel,
                               BoxLayout.PAGE_AXIS));
        patternPanel.add(patternLabel1);
        patternPanel.add(patternLabel2);
        patternList.setAlignmentX(Component.LEFT_ALIGNMENT);
        patternPanel.add(patternList);
        JPanel resultPanel = new JPanel(new GridLayout(0, 1));
        resultPanel.add(resultLabel);
        resultPanel.add(result);
        patternPanel.setAlignmentX(Component.LEFT_ALIGNMENT);
        resultPanel.setAlignmentX(Component.LEFT_ALIGNMENT);
        add(patternPanel);
        add(Box.createRigidArea(new Dimension(0, 10)));
        add(resultPanel);
        setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
        reformat();
    } //constructor
    public void actionPerformed(ActionEvent e) {
         System.out.println("Action Event");
        JComboBox cb = (JComboBox)e.getSource();
        String newSelection = (String)cb.getSelectedItem();
        currentPattern = newSelection;
        reformat();
    /** Formats and displays today's date. */
    public void reformat() {
         try {
        Date today = new Date();
        SimpleDateFormat formatter =
           new SimpleDateFormat(currentPattern);
            String dateString = formatter.format(today);
            result.setForeground(Color.black);
            result.setText(dateString);
        }catch (IllegalArgumentException iae) {
        System.out.println("Ilegal argument Exception");
        catch (Exception e) {
        System.out.println("Argument Exception");
     * Create the GUI and show it. For thread safety,
     * this method should be invoked from the
     * event-dispatching thread.
    private static void createAndShowGUI() {
        //Create and set up the window.
        final JFrame frame = new JFrame("ComboBoxDemo2");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        //Create and set up the content pane.
        JComponent newContentPane = new ComboBoxDemo2();
        newContentPane.setOpaque(true); //content panes must be opaque
        frame.setLayout(new BorderLayout());
        //frame.setContentPane(newContentPane,BorderLayout.CENTER);
        JMenuBar menuBar = new JMenuBar();
        JMenu theme = new JMenu("Theme");
        ButtonGroup bttnGroup = new ButtonGroup();
        JCheckBoxMenuItem metal = new JCheckBoxMenuItem("Metal");
        bttnGroup.add(metal);
        metal.addActionListener(new ActionListener(){
         public void actionPerformed(ActionEvent e){
          try{
          UIManager.setLookAndFeel(UIManager.getCrossPlatformLookAndFeelClassName());
          SwingUtilities.updateComponentTreeUI(frame);
          }catch(Exception a){a.printStackTrace();}
          theme.add(metal);
        JCheckBoxMenuItem system = new JCheckBoxMenuItem("System");
        bttnGroup.add(system);
        system.addActionListener(new ActionListener(){
         public void actionPerformed(ActionEvent e){
          try{
          UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
          SwingUtilities.updateComponentTreeUI(frame);
          }catch(Exception a){a.printStackTrace();}
        theme.add(system);
        menuBar.add(theme);
        frame.setJMenuBar(menuBar);
        JToolBar jtb = new JToolBar();
        jtb.add(newContentPane);
        frame.add(jtb, BorderLayout.PAGE_START);
        //Display the window.
        frame.pack();
        frame.setVisible(true);
    public static void main(String[] args) {
        //Schedule a job for the event-dispatching thread:
        //creating and showing this application's GUI.
        javax.swing.SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                createAndShowGUI();
   public void changeUIAddEditorListener() {
   patternList.getEditor().getEditorComponent().addKeyListener(new KeyAdapter()
   public void keyPressed(KeyEvent e)
   System.out.println(" Key pressed is "+e.getKeyCode());
}

Windows look and feel instead, in InternalFrameDemo.java

Hi all, I am learning swing and I am trying to modify the
InternalFrameDemo.java source from
http://docs.oracle.com/javase/tutorial/uiswing/examples/components/index.html#InternalFrameDemo
My idea is to add the line
JFrame.setDefaultLookAndFeelDecorated(true); in the constructor, but it doesn't work
and I don't understand why.
Could somebody please help me?
Kindest regards,
Lasse
public InternalFrameDemo() {
super("InternalFrameDemo");
//Make the big window be indented 50 pixels from each edge
//of the screen.
int inset = 50;
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
setBounds(inset, inset,
screenSize.width - inset*2,
screenSize.height - inset*2);
//FDoesn't work
JFrame.setDefaultLookAndFeelDecorated(true);
//Set up the GUI.
desktop = new JDesktopPane(); //a specialized layered pane
createFrame(); //create first "window"
setContentPane(desktop);
setJMenuBar(createMenuBar());
//Make dragging a little faster but perhaps uglier.
desktop.setDragMode(JDesktopPane.OUTLINE_DRAG_MODE);
}

Uh I think you're mistaken. Whenever in doubt or something doesn't work as expected, check the javadocs. The link to the javadocs can usually be found really easily by typing "java 6 classname". In this case:
http://docs.oracle.com/javase/6/docs/api/javax/swing/JFrame.html
If you want to set the Windows look & feel as your thread title suggests, this was not the method you were looking for as the javadocs will tell you. That method controls if a frame is decorated or not (as the name suggests), which it is by default. Setting it to true will not change anything.
So what then? You type into Google "java swing windows look and feel". Without quotes of course.

Problem With ButtonUI in an Auxiliary Look and Feel

This is my first post to one of these forums, so I hope everything works correctly.
I have been trying to get an axiliary look and feel installed to do some minor tweaking to the default UI. In particular, I need it to work with Windows and/or Metal as the default UI. For the most part I let the installed default look and feel handle things with my code making some colors lighter, darker, etc. I also play with focus issues by adding FocusListeners to some components. I expect my code to work reasonably well no matter what the default look and feel is. It works well with Motif, Metal, and Windows, the only default look and feels I've tested with. What I'm going to post is a stripped down version of what I have been working on. This example makes gross changes to the JButton background and foreground colors in order to illustrate what I've encountered.
I have three source code files. The first, Problem.java, creates a JFrame and adds five buttons to it. One button installs MyAuxLookAndFeel as an auxiliary look and feel using MyAuxButtonUI for the look and feel of JButtons. The next button removes that look and feel. The next button does nothing except print a line to System.out. The next button installs MyAuxLookAndFeel as an auxiliary look and feel using MyModButtonUI for the look and feel of JButtons. The last button removes that look and feel.
The problem is, when I install the first auxiliary look and feel, buttons are no longer tabable. Also, they cannot be invoked by pressing the space button when they're in focus. When I remove the first auxiliary look and feel everything reverts to behaving normally. When I add the "Mod" version, button tabability is fine. The only difference is I've added the following code:
if ( c.isFocusable() ) {
   c.setFocusable(true);
}That strikes me as an odd piece of code to profoundly change the program behavior. Anyway, after adding and removing the "Mod" look and feel, the tababilty is forever fixed. That is, if I subsequently re-install the first look and feel, tababilty works just fine.
The problem with using the space bar to select a focused button is more problematic. My class is not supposed to mess with the default look and feel which may or may not use the space bar to press the button with focus. When the commented code in MyModButtonUI is uncommented, things behave correctly. Even the statement
button.getInputMap().remove( spaceKeyStroke );doesn't mess things up after the auxiliary look and feel is removed. So far I've tested this with JRE 1.4.2_06 under Windows 2000, JRE 1.4.2_10 under Windows XP, and JRE 1.5.0_06 under Windows XP and the behavior is the same.
All of this leads me to two questions.
1. Is my approach fundamentally flawed? I've extended TextUI and ScrollBarUI with no problems. This is the only problem I've encountered with ButtonUI. My real workaround for the space bar issue is better than the one I've supplied in the example, but it certainly is not guaranteed to work for any arbitrary default look and feel.
2. Assuming I have no fundamental problems with my approach, it's possible I've found a real bug. I searched the bug database and couldn't find anything like this. Of course, this is the first time I've tried seasrching the database for a bug so my I'm doing it badly. Has this already been reported as a bug? Is there any reason I shouldn't report it?
What follows is the source code for my example. It's in three files because the two ButtonUI classes must be public in order to work. Thanks for insight you can provide.
Bill
File Problem.java:
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class Problem extends JFrame {
   public boolean isAuxInstalled = false;
   public boolean isModInstalled = false;
   public LookAndFeel lookAndFeel = new MyAuxLookAndFeel();
   private static int ctr = 0;
   public static void main( String[] args ) {
      new Problem();
   public Problem() {
      this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      setSize(250, 150);
      setTitle("Button Test");
      JButton install = new JButton("Install");
      JButton remove = new JButton("Remove");
      JButton doNothing = new JButton("Do Nothing");
      JButton installMod = new JButton("Install Mod");
      JButton removeMod = new JButton("Remove Mod");
      this.getContentPane().setLayout(new FlowLayout());
      this.getContentPane().add(install);
      this.getContentPane().add(remove);
      this.getContentPane().add(doNothing);
      this.getContentPane().add(installMod);
      this.getContentPane().add(removeMod);
      install.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {
            if ( !isAuxInstalled ) {
               isAuxInstalled = true;
               UIManager.addAuxiliaryLookAndFeel( lookAndFeel );
               SwingUtilities.updateComponentTreeUI( Problem.this );
      remove.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {
            if ( isAuxInstalled ) {
               isAuxInstalled = false;
               UIManager.removeAuxiliaryLookAndFeel( lookAndFeel );
               SwingUtilities.updateComponentTreeUI( Problem.this );
      doNothing.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {
            System.out.println( "Do nothing " + (++ctr) );
      installMod.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {
            if ( !isModInstalled ) {
               isModInstalled = true;
               UIManager.addAuxiliaryLookAndFeel( lookAndFeel );
               SwingUtilities.updateComponentTreeUI( Problem.this );
      removeMod.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {
            if ( isModInstalled ) {
               isModInstalled = false;
               UIManager.removeAuxiliaryLookAndFeel( lookAndFeel );
               SwingUtilities.updateComponentTreeUI( Problem.this );
      setVisible(true);
   class MyAuxLookAndFeel extends LookAndFeel {
      public String getName() {
         return "Button Test";
      public String getID() {
         return "Not well known";
      public String getDescription() {
         return "Button Test Look and Feel";
      public boolean isSupportedLookAndFeel() {
         return true;
      public boolean isNativeLookAndFeel() {
         return false;
      public UIDefaults getDefaults() {
         UIDefaults table = new MyDefaults();
         Object[] uiDefaults = {
            "ButtonUI", (isModInstalled ? "MyModButtonUI" : "MyAuxButtonUI"),
         table.putDefaults(uiDefaults);
         return table;
   class MyDefaults extends UIDefaults {
      protected void getUIError(String msg) {
//         System.err.println("(Not) An annoying error message!");
}File MyAuxButtonUI.java:
import javax.swing.*;
import java.awt.*;
import javax.swing.plaf.*;
import javax.swing.plaf.multi.*;
import javax.accessibility.*;
public class MyAuxButtonUI extends ButtonUI {
   private Color background;
   private Color foreground;
   private ButtonUI ui = null;
   public static ComponentUI createUI( JComponent c ) {
      return new MyAuxButtonUI();
   public void installUI(JComponent c) {
      MultiButtonUI multiButtonUI = (MultiButtonUI) UIManager.getUI(c);
      this.ui = (ButtonUI) (multiButtonUI.getUIs()[0]);
      super.installUI( c );
      background = c.getBackground();
      foreground = c.getForeground();
      c.setBackground(Color.GREEN);
      c.setForeground(Color.RED);
   public void uninstallUI(JComponent c) {
      super.uninstallUI( c );
      c.setBackground(background);
      c.setForeground(foreground);
      this.ui = null;
   public void paint(Graphics g, JComponent c) {
      this.ui.paint( g, c );
   public void update(Graphics g, JComponent c) {
      this.ui.update( g, c );
   public Dimension getPreferredSize(JComponent c) {
      if ( this.ui == null ) {
         return super.getPreferredSize( c );
      return this.ui.getPreferredSize( c );
   public Dimension getMinimumSize(JComponent c) {
      if ( this.ui == null ) {
         return super.getMinimumSize( c );
      return this.ui.getMinimumSize( c );
   public Dimension getMaximumSize(JComponent c) {
      if ( this.ui == null ) {
         return super.getMaximumSize( c );
      return this.ui.getMaximumSize( c );
   public boolean contains(JComponent c, int x, int y) {
      if ( this.ui == null ) {
         return super.contains( c, x, y );
      return this.ui.contains( c, x, y );
   public int getAccessibleChildrenCount(JComponent c) {
      if ( this.ui == null ) {
         return super.getAccessibleChildrenCount( c );
      return this.ui.getAccessibleChildrenCount( c );
   public Accessible getAccessibleChild(JComponent c, int ii) {
      if ( this.ui == null ) {
         return super.getAccessibleChild( c, ii );
      return this.ui.getAccessibleChild( c, ii );
}File MyModButtonUI.java:
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.plaf.*;
public class MyModButtonUI extends MyAuxButtonUI
   static KeyStroke spaceKeyStroke = KeyStroke.getKeyStroke(KeyEvent.VK_SPACE, 0 );
   public static ComponentUI createUI( JComponent c ) {
      return new MyModButtonUI();
   public void installUI(JComponent c) {
      super.installUI(c);
      c.setBackground(Color.CYAN);
      if ( c.isFocusable() ) {
         c.setFocusable(true);
//      final JButton button = (JButton) c;
//      button.getInputMap().put( spaceKeyStroke, "buttonexample.pressed" );
//      button.getActionMap().put( "buttonexample.pressed", new AbstractAction() {
//         public void actionPerformed(ActionEvent e) {
//            button.doClick();
//   public void uninstallUI(JComponent c) {
//      super.uninstallUI(c);
//      JButton button = (JButton) c;
//      button.getInputMap().remove( spaceKeyStroke );
//      button.getActionMap().remove( "buttonexample.pressed" );
}

here is the code used to change the current look and feel :
try {
               UIManager.setLookAndFeel("com.sun.java.swing.plaf.motif.MotifLookAndFeel");
         catch (InstantiationException e)
              System.out.println("Error occured "+ e.toString());
         catch (ClassNotFoundException e)
              System.out.println("Error occured "+ e.toString());
         catch (UnsupportedLookAndFeelException e)
              System.out.println("Error occured "+ e.toString());
         catch (IllegalAccessException e)
              System.out.println("Error occured in .. " + e.toString());
         Dimension dim = Toolkit.getDefaultToolkit().getScreenSize();
         Fenetre fen = new Fenetre();
         fen.setSize(dim.width, dim.height);
         fen.setResizable(false);
             fen.setLocation(0, 0);
              fen.setVisible(true);

Transparent TextField with Synth Look and Feel

I am trying to use synth to implement a textfield with a transparent background, and having some problems with it. I can see my panel and the transparent field fine enough in the beginning, but when the text in the field changes, it writes right over the previous text and becomes a pile of unreadable white marks. I've experimented with varying degrees of transparency, but you can still see the old field underneath slightly. Does anyone have any suggestions? My code is below.
Thanks.
synth.xml
<synth>

<style id="panelStyle">
    <state>
        <imagePainter method="panelBackground" path="../../../lafImages/papyrus_bkgd.gif" sourceInsets="10 15 10 15"/>
    </state>
</style>
<bind style="panelStyle" type="name" key="PAPYRUS_PANEL"/>

<style id="textFieldStyle">
    <font name="Kudasai" size="12"/>
    <state>
        <color type="TEXT_FOREGROUND" value="#FFFFFF"/>
        
        <color type="BACKGROUND" value="#00000000"/>
    </state>
    <opaque value="false"/>
</style>
<bind style="textFieldStyle" type="region" key="TEXTFIELD"/>
</synth>
my tester
class SynthTester {
    private JTextField field;
    public SynthTester(){
        initLookAndFeel();
        JFrame main = new JFrame();
        JPanel panel = new JPanel();
        panel.setName("PAPYRUS_PANEL");
        field = new JTextField(3);
        field.setText("0");
        panel.add(field);
        JButton button = new JButton("+");
        button.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                int val;
                try {
                    val = Integer.parseInt(field.getText());
                } catch( Exception ex ) {
                    val = 0;
                val++;
                field.setText(Integer.toString(val));
        panel.add(button);
        main.add(panel);
        main.pack();
        main.setVisible(true);
    private void initLookAndFeel() {
        SynthLookAndFeel lookAndFeel = new SynthLookAndFeel();
        try {
            InputStream is = getClass().getResourceAsStream("synth.xml");
            if( is == null) {
                System.err.println("unable to load resource stream");
            } else {
                lookAndFeel.load(is, getClass());
                UIManager.setLookAndFeel(lookAndFeel);
        } catch (Exception e) {
            System.err.println("Couldn't get specified look and feel ("+ lookAndFeel+ "), for some reason.");
            System.err.println("Using the default look and feel.");
            e.printStackTrace();
            System.exit(1);
}

As its name implies, an imagePainter element creates a SynthPainter that paints from an image. For example:
<synth>
<style id="example">
<state>
<color value="white" type="BACKGROUND"/>
</state>
<imagePainter method="panelBackground" path="background.png"
sourceInsets="5 6 6 7" paintCenter="false"/>
<insets top="5" bottom="6" right="7" left="6"/>
</style>
<bind style="example" type="region" key="Panel"/>
</synth>

Why my System Look and feel got corrupted ??

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