Swing Application on a Mac

I'm developing a Swing application to be deployed using WebStart on Windows as well as Macintosh platforms w/ the Mac-mini being the primary at this time.
Development is being done in Windows where everything looks good. When run on a Mac, there seem to be component size calculation issues.
In another post about deploying an applet having similar problems with text fields, just enabling the Smooth Text in Applets solved it. This, however, is not an applet but an application and that solution has no impact.
Any suggestions?

Set the LookAndFeel specifically pointing to one of the Look and Feel available. Guessing you might NOT have set any specific look and feel.
Example:
UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
Let us know if it worked.

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Opening a PDF file from a swing application in MAC

HI everyone,
Actually I am developing a swing application which should be executable in both windows and Mac (even other) platformes. In my panel I have an icon which leads to a pdf file. I saw in the following thread:
http://forum.java.sun.com/thread.jspa?forumID=17&threadID=617767
that we can use
Runtime.getRuntime().exec("rundll32 url.dll,FileProtocolHandler " + file);to open what ever file in windows. I want to know what should I do if this application is running on Mac or Linux! I have never worked with these OS so I do not have any idea how to resolve the problem.
Can anyone help me with this matter?? That would be really nice of you to reply :)
Thanx and have a great day.

Thank you for replaying so soon..
Well you are right by using a widget and etc.. but the problem is that I have been told that this application should open a PDF file that has bookmarks to each chapter of the text and one can make a search on this text by using pdf search.. So I do not have any other choice than opening a pdf :D and my time is unfortunately limit.
For solving the problem that the user may not have PDF reader.. well I have been told that user should install the pdf reader, so in my application package I am putting the installation file of PDF.
But going back to my problem.. I guess is someway I have to get the OS type of the user and I have to do a SWITCH or something on the OS type and then change the content of the Runtime.exec(). But the question is how can I get the OS type and what should I change in Runtime.exec().
So now any idea? any solution??

UI problem when run java swing application on MAC OSX

Hello,
I have problem when i run my java swing application on MAC OSX.
Dialog box is not properly visible in MAC means ita size increses.
its size incresed and and some content or buttons on that dialog are not fully visible.
I can only see partial message or button.
If any one have idea about this problem then give the solution.
Thanks :)
Shweta

I am using following way to create dialog
JOptionPane optionpane = new JOptionPane(new Object[]{lblMsgUp}, JOptionPane.OK_CANCEL_OPTION, JOptionPane.INFORMATION_MESSAGE, null, choices, "Save");
JDialog dialog = optionpane.createDialog(parent, "Save");
dialog.setSize(450, 125);
dialog.setVisible(true);

Want to place the firefox icon in my application. have a mac and don;t understand it well

I don't know how to go to applications without losing moxilla website in order to transfer the moxilla icon into my applications. I could do it in the dell computer but not able to swing it with the Mac. it's totally different system.

See this: <br />
https://support.mozilla.com/en-US/kb/Installing+Firefox+on+Mac

What are the requirements to run a Swing application?

I'm trying to send a simple swing application to a friend that has Mac OSX, but the buttons don't show up.
Do people actually need the Java SDK in order for swing apps to work? Or is plain java enough? (He has normal java, because we play minecraft sometimes)
Anyway, my buttons are not showing up on his computer, not even when I use the cross platform look at feel

Here is the code I'm using, it's an application that makes the user select a folder and stuff will happen to it.
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
public class SomeGUI extends JFrame implements ActionListener, Runnable
    public JButton exit;
    public JButton run;
    JPanel panel;
    JFileChooser chooser;
    String returnpath;
    JLabel progress;
public SomeGUI()
     try
     UIManager.setLookAndFeel(UIManager.getCrossPlatformLookAndFeelClassName());
     catch (ClassNotFoundException ex)
         Logger.getLogger(SomeGUI.class.getName()).log(Level.SEVERE, null, ex);
     catch (InstantiationException ex)
         Logger.getLogger(SomeGUI.class.getName()).log(Level.SEVERE, null, ex);
     catch (IllegalAccessException ex)
         Logger.getLogger(SomeGUI.class.getName()).log(Level.SEVERE, null, ex);
     catch (UnsupportedLookAndFeelException ex)
         Logger.getLogger(SomeGUI.class.getName()).log(Level.SEVERE, null, ex);
      setTitle("BenkyoAdd");
      setSize(206,100);
      setResizable(false);
      setDefaultCloseOperation(EXIT_ON_CLOSE);
      setLocationRelativeTo(null);
      setVisible(true);
      panel = new JPanel();
      getContentPane().add(panel);
      panel.setLayout(null);
      run = new JButton("Run");
      run.setFocusable(false);
      run.setBounds(0,0,100,30);
      panel.add(run);
      run.addActionListener(this);
      progress = new JLabel("Please click run");
      progress.setFont(new Font("lol",Font.PLAIN,14));
      progress.setBounds(10, 30, 200, 50);
      panel.add(progress);
      exit = new JButton("Exit");
      exit.setFocusable(true);
      exit.setBounds(100, 0, 100, 30);
      panel.add(exit);
      exit.addActionListener(this);
      chooser = new JFileChooser();
      chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
    public void actionPerformed(ActionEvent e)
     if(e.getSource().equals(exit))
         System.exit(0);
     if(e.getSource().equals(run))
         progress.setText("Select a folder...");
         chooser.showOpenDialog(panel);
         this.returnpath = chooser.getSelectedFile().getAbsolutePath();
         exit.setEnabled(false);
         run.setEnabled(false);
         progress.setText("Copying to output folder...");
         new Thread(this).start();
public static void main(String args[])
      new SomeGUI();
    public void run()
     new Changer(this, this.returnpath);
     exit.setEnabled(true);
     exit.requestFocusInWindow();
     progress.setText("Done! You can now exit!");
}

How do you run a (Word) Document from a Swing application

I want to create a Word Document and then open it from a Swing application. If you can't do that directly, what else can you do to get that result.

gwils wrote:
How do you recover a word document on a macbook pro?
Just as you do it on a Mac Pro or a Mac Mini.
What version of Mac OS X? What version of MS Word?
If you're thinking of the AutoRecover feature, you have to enable it first. If it was enabled, this
<http://kb.iu.edu/data/ahnd.html#FindingfilesMac>
will tell you what to do.

Launching Browser From Swing Application - Help Needed

Hi,
I am opening a HTML file in Internet Explorer from my swing application.
I am using the code given below
private final static String WIN_FLAG = "url.dll,FileProtocolHandler";
private final static String WIN_PATH = "rundll32";
String cmd = WIN_PATH + " " + WIN_FLAG + " " + url;
// url is HTML file Path
Process p = Runtime.getRuntime().exec( cmd );
The HTML file is opening up,but it always opens behind the swing application,that makes me every time to maximize the HTML file after it being opened up.
I want to open it in front of the Swing Application.
Any Help Please ?
- Manikandan

Browser Utility - Class to launch a URL in a web browser in
a platform independent manner. Includes an optional swing
GUI allowing user customization. [Open Source - GPL]
http://ostermiller.org/utils/Browser.html
BrowserLauncher - Open the system web browser with
particular attention paid to various Macintosh systems.
(Freeware)
http://browserlauncher.sourceforge.net/
Java World - With a little platform-specific Java code, you
can easily use your system's default browser to display any
URL in Windows or Unix.
http://www.javaworld.com/javaworld/javatips/jw-javatip66.html
JConfig - Class Libraries that allow a URL to be launched in
a browser on Windows, Unix, or Macintosh. [Commercial]
http://www.tolstoy.com/samizdat/jconfig.html
Apple - MRJFileUtils.openURL() not implemented in Mac OS X.
http://developer.apple.com/techpubs/macosx/ReleaseNotes/JavaGMWebReleaseNotes.html#MRJToolkit
Apple - How one would open a URL in a web browser on a
Macintosh.
http://developer.apple.com/qa/java/java12.html

Is there free java chat, which i can embed in my Swing application

Hello all,
I have a Swing application and i want to embed java chat into it.
Can you recommend me free chat for which i can see and modofy client and server sources.
Regards,
Chavdar

No.

How to give Common Background color for all JPanels in My Swing application

Hi All,
I am developing a swing application using The Swing Application Framework(SAF)(JSR 296). I this application i have multiple JPanel's embedded in a JTabbedPane. In this way i have three JTabbedPane embedded in a JFrame.
Now is there any way to set a common background color for the all the JPanel's available in the application??
I have tried using UIManager.put("Panel.background",new Color.PINK);. But it did not work.
Also let me know if SAF has some inbuilt method or way to do this.
Your inputs are valuable.
Thanks in Advance,
Nishanth.C

It is not the fault of NetBeans' GUI builder, JPanels are opaque by default, I mean whether you use Netbeans or not.Thank you!
I stand corrected (which is short for +"I jumped red-eyed on my feet and rushed to create an SSCCE to demonstrate that JPanels are... mmm... oh well, they are opaque by default... ;-[]"+)
NetBeans's definitely innocent then, and indeed using it would be an advantage (ctrl-click all JPanels in a form and edit the common opaque property to false) over manually coding
To handle this it would be better idea to make a subclass of JPanel and override isOpaque() to return false. Then use this 'Trasparent Panel' for all the panels where ever transparency is required.I beg to differ. From a design standpoint, I'd find it terrible (in the pejorative sense of the word) to design a subclass to inconsistently override a getter whereas the standard API already exposes the property (both get and set) for what it's meant: specify whether the panel is opaque.
Leveraging this subclass would mean changing all lines where a would-be-transparent JPanel is currently instantiated, and instantiate the subclass instead.
If you're editing all such lines anyway, you might as well change the explicit new JPanel() for a call to a factory method createTransparentJPanel(); this latter could, at the programmer's discretion, implement transparency whichever way makes the programmer's life easier (subclass if he pleases, although that makes me shudder, or simply call thePanel.setOpaque(false) before returning the panel). That way the "transparency" code is centralized in a single easy to maintain location.
I had to read the code for that latter's UI classes to find out the keys to use (+Panel.background+, Label.foreground, etc.), as I happened to not find this info in an authoritative document - I see that you seem to know thoses keys, may I ask you where you got them from?
One of best utilities I got from this forum, written by camickr makes getting these keys and their values very easy. You can get it from his blog [(->link)|http://tips4java.wordpress.com/2008/10/09/uimanager-defaults/]
Definitely. I bit a pair of knucles off when discovered it monthes after cumbersomely traversing the BasicL&F code...
Still, it is a matter-of-fact approach (and this time I don't mean that to sound pejorative), that works if you can test the result for a given JDK version and L&F, but doesn't guarantee that these keys are there to stand - an observation, but not a specification.
Thanks TBM for highlighting this blog entry, that's the best keys list device I have found so far, but the questions still holds as to what specifies the keys.
Edited by: jduprez on Feb 15, 2010 10:07 AM

How to get mouse wheel action in my swing application?

Hi
In my mouse, i am having mousewheel to support scrolling.With the help of the wheel, i can scroll the pages in IE browser or any other appliction.
In swing application ,i have scroll bar inside a JFrame.I want to have mousewheel action in my swing application to support scrolling.
any idea ???
Thanks

As far as I know,there is no facility for detecting mouse scrolling wheel in JDK 1.3.
Check it in the later releases of JDK.

I want to implement thems functionality in my swing application

Hi All...
I want to implement the themes object in my swing application,How ,where to start and move that functionality,If anybody use this functionality in your program experience can u share with me.
Than to Advance
ARjun...

Hi Kuldeep Chitrakar
I can do that in web intelligence. dont want that
I am replicating some of the sample report of SQL Servers in BusinessObjects XI R3.1.
One of the SQL Sever's report is of product catalogue type that gives complete information like name, category, description along with the products image etc... for each of the products.
I am trying to replicate the above said SQL Server report in Business objects XI R3.1. I am facing problem in bringing the image in to my BO report. The image resides in a table and its datatype is of varbinary(max). I don't know the exact matching while creating an object in the uiverse designer.
Here is the url link http://errorsbusinessobjectsxir3.blogspot.com/2010/10/business-objects-image-errors.html
Regards
Prasad

Can not launch swing application from Java Web Start 1.6.0_37

I have a dynamic generated jnlp file from a serlvet. When I used Java Web Start to start the swing application, it failed. The exception showed
com.sun.deploy.net.FailedDownloadException: Unable to load resource: http://xxxx.xx.com:9080/dilpipweb/Test-1.0-SNAPSHOT.jar
     at com.sun.deploy.net.DownloadEngine.actionDownload(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.getCacheEntry(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.getCacheEntry(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.getResourceCacheEntry(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.getResourceCacheEntry(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.getResource(Unknown Source)
     at com.sun.javaws.LaunchDownload$DownloadTask.call(Unknown Source)
     at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
     at java.util.concurrent.FutureTask.run(Unknown Source)
     at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
     at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
     at java.lang.Thread.run(Unknown Source)
I used janela to validate the generated jnlp file. It was valid. I also checked the tomcat access log, it showed that the Test-1.0-SNAPSHOT.jar file was accessed correctly (with a 200 return code).
Can anyone help me what was the problem?
Thanks,

Hi.
I got a different problem. My Corba application works in JRE 1.6, but doesn't works in JRE 1.5.X. I got an unexpected error and my console shows:
getSubjectX500Principal NoSuchMethodError: java.lang NoSuchMethodError
#### Java Web Start Error:
#### null
Can you help me?

Java Swing application problem in Windows vista

When we execute the Swing application in windows vista environment.
The look and feel of the swing components are displayed improperly.
Do we need to put any specific look and feel for windows vista environment or any specific hardware configuration is required to setup windows vista environment.
Please give some inputs to solve the problem.
We have tried with the following sample code to run in windows vista.
* Vista.java
* Created on December 5, 2006, 5:39 PM
public class Vista extends javax.swing.JFrame {
/** Creates new form Vista */
public Vista() {
initComponents();
pack();
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
// <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:initComponents
private void initComponents() {
jButton1 = new javax.swing.JButton();
jToggleButton1 = new javax.swing.JToggleButton();
jPanel1 = new javax.swing.JPanel();
jCheckBox1 = new javax.swing.JCheckBox();
jScrollPane1 = new javax.swing.JScrollPane();
jTextArea1 = new javax.swing.JTextArea();
jTextField1 = new javax.swing.JTextField();
getContentPane().setLayout(null);
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jButton1.setText("Button 1");
getContentPane().add(jButton1);
jButton1.setBounds(20, 20, 170, 30);
jToggleButton1.setText("Togle btn");
getContentPane().add(jToggleButton1);
jToggleButton1.setBounds(100, 80, 90, 20);
jPanel1.setLayout(null);
jCheckBox1.setText("jCheckBox1");
jCheckBox1.setBorder(javax.swing.BorderFactory.createEmptyBorder(0, 0, 0, 0));
jCheckBox1.setMargin(new java.awt.Insets(0, 0, 0, 0));
jPanel1.add(jCheckBox1);
jCheckBox1.setBounds(10, 40, 130, 13);
getContentPane().add(jPanel1);
jPanel1.setBounds(10, 150, 200, 130);
jTextArea1.setColumns(20);
jTextArea1.setRows(5);
jScrollPane1.setViewportView(jTextArea1);
getContentPane().add(jScrollPane1);
jScrollPane1.setBounds(210, 150, 164, 94);
jTextField1.setText("jTextField1");
getContentPane().add(jTextField1);
jTextField1.setBounds(240, 30, 140, 30);
pack();
}// </editor-fold>//GEN-END:initComponents
* @param args the command line arguments
public static void main(String args[]) {
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new Vista().setVisible(true);
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JButton jButton1;
private javax.swing.JCheckBox jCheckBox1;
private javax.swing.JPanel jPanel1;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JTextArea jTextArea1;
private javax.swing.JTextField jTextField1;
private javax.swing.JToggleButton jToggleButton1;
// End of variables declaration//GEN-END:variables
}

When we execute the Swing application in windows
vista environment.
The look and feel of the swing components are
displayed improperly.Improperly means what? You must be aware that Vista's native L&F certainly isn't supported yet.

Need Help to update the labels in the GUI syncronously - Swing application

Hello everyone,
I need some help regarding a swing application. I am not able to syncronously update the counters and labels that display on my Swing GUI as the application runs in the background. But when the running of application is completed, then the labels on the GUI are getting updated, But I want update the labels and counters on the GUI syncronously as the code executes... below I am giving the format of the code I have written..............
public class SwingApp extends JFrame{
        // here i have declared the label and component varibles like...
                  private JTextField startTextField;
       private JComboBox maxComboBox;
       private JTextField logTextField;
       private JTextField searchTextField;
       private JLabel imagesDownloaded1;
       private JLabel imagesDownloaded2;
       private JLabel imagesDidnotDownload1;
       private JLabel imagesDidnotDownload2;
                  private JButton startButton;
//now in the constructer.............
public Swing(){
//I used gridbaglayout and wrote the code for the GUI to appear....
startButton = new JButton("Start Downloading");
    startButton.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        try{
             actionSearch();   //actionSearch will contain all the code and the function calls of my application...........
        }catch(Exception e1){
             System.out.println(e1);
    constraints = new GridBagConstraints();
    constraints.gridwidth = GridBagConstraints.REMAINDER;
    constraints.insets = new Insets(5, 5, 5, 5);
    layout.setConstraints(startButton, constraints);
    searchPanel.add(startButton);
//update is a function which initiates a thread which updates the GUI. this function will be called to pass the required variables in the application
public void update(final int count_hits, final int counter_image_download1, final int didnot_download1) throws Exception{
     Thread thread = new Thread(new Runnable() {
         public void run() {
              System.out.println("entered into thread");
              System.out.println("the variable that has to be set is " + count_hits);
              server_hits_count.repaint(count_hits);
              server_hits_count.setText( " "+ Integer.toString(count_hits));
              imagesDownloaded2.setText(" " + Integer.toString(counter_image_download1));
              imagesDidnotDownload2.setText(" " + Integer.toString(didnot_download1));
              repaint();
     //this.update(count_hits);
     thread.start();
//Now in main............................
public static void main(String[] args){
Swing s = new Swing();
s.setVisible(true);
}//end of main
}//end of class SwingAbove I have given the skeleton code of my application........ Please tell me how to update the GUI syncronously...
Please its a bit urgent...............
Thank you very much in advance
chaitanya

First off, note that this question should have been posted in the Swing section.
GUI events run in a separate thread (the AWT / Event Dispatch Thread) than your program.
You should be invoking AWT/Swing events via SwingUtilities.invokeLater().
If for whatever reason you want to have the program thread wait for the event to process
you can use invokeAndWait().
http://java.sun.com/javase/6/docs/api/javax/swing/SwingUtilities.html

Problem with "find" mode in adf/swing application

Hi all,
I'm working on ADF Swing application which uses MS SQL Server 2005 (JDeveloper 10g 10.1.3)
I think that my issue might be well-known…sorry if it has been already discussed somewhere else…
I have a problem with the “find” mode for a detail panel in a master-detail form…(To make it clear the “find” mode is switched on when clicking on the special button on a navigation panel).
So this mode works well in a master panel, but it demonstrates strange behavior on a detail panel, i.e. it takes me two attempts to find the necessary child object and it doesn’t switch back in a simple way from this mode to the normal mode….say if we are in the department 10 (Dept is a master form) we can’t simply find KING employee (Emp is a detail form)…is there any workaround for this?
Thanks in advance. Alex.

Hi Frank, please look this issue

Swing Application on a Mac

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