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POJMenuItem accelerator not working after showing two non-modal JDialogs? (Mac only?)
 

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    <p>I have the problem that the accelerators of JMenuItems aren't working anymore after showing two JDialogs directly after one another.</p> <p>Please take a look at this small example that reproduces the problem:</p> <pre><code>import javax.swing.*; import java.awt.*; import java.awt.event.*; public class DialogBug { public static void main(String[] args) { SwingUtilities.invokeLater(new StartupRunnable(args.length == 0)); } public static class StartupRunnable implements Runnable { private boolean both; public StartupRunnable(boolean both) { this.both=both; } public void run() { MyFrame myFrame=new MyFrame(); myFrame.setVisible(true); myFrame.startUp(both); } } public static class MyFrame extends JFrame { private MyDialog dialog1; private MyDialog dialog2; public MyFrame() { super("MyFrame"); setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); initUI(); } private void initUI() { dialog1=new MyDialog(this); dialog2=new MyDialog(this); JMenuBar menuBar=new JMenuBar(); JMenu fileMenu=new JMenu("File"); menuBar.add(fileMenu); fileMenu.add(new JMenuItem(new OpenAction())); setJMenuBar(menuBar); setSize(200,200); } public void startUp(boolean both) { dialog1.setVisible(true); if(both) { dialog2.setVisible(true); } } private class OpenAction extends AbstractAction { public OpenAction() { super("Open"); KeyStroke accelerator = KeyStroke.getKeyStroke("ctrl O"); putValue(Action.ACCELERATOR_KEY, accelerator); } public void actionPerformed(ActionEvent e) { System.out.println("Open executed"); } } } public static class MyDialog extends JDialog { public MyDialog(JFrame parent) { super(parent); setTitle("Dialog"); setModal(false); add(new JButton(new OkAction())); pack(); } private class OkAction extends AbstractAction { public OkAction() { super("Ok"); } public void actionPerformed(ActionEvent e) { setVisible(false); } } } } </code></pre> <p>Compile it using <code>javac DialogBug.java</code> and execute it running <code>java DialogBug</code>.</p> <p>You'll see two with "Ok"-Buttons. Dismiss both dialogs clicking them. Now press "Ctrl-O". This should print "Open executed" to the console but this won't happen. Now click the "File" menu. Now "Ctrl-O" will work as expected.</p> <p>If you start the app with any argument, e.g. <code>java DialogBug x</code> then only one dialog will open and "Ctrl-O" will work immediately after dismissing the dialog, as expected.</p> <p>My environment is the following:</p> <pre><code>java version "1.6.0_15" Java(TM) SE Runtime Environment (build 1.6.0_15-b03-219) Java HotSpot(TM) 64-Bit Server VM (build 14.1-b02-90, mixed mode) </code></pre> <p>But as far as I know this app behaves similar in other VMs.</p> <p>Please help me!<br> I really don't have any idea what might go wrong here. If this is a Java bug (and I expect it to be one) then please let me know if you have a workaround...</p> <p>If you can or can't reproduce this on other systems please tell me so in the comments.<br> Thanks a lot!</p> <p><strong>Update</strong><br> After <a href="http://wiki.oneswarm.org/index.php/OS_X_10.6_Snow_Leopard" rel="nofollow noreferrer">installing Java 1.5 on Snow Leopard</a> (<em>sigh</em>) I can confirm that this happens with 1.5.0_19, too, at least on Snow Leopard.</p> <p><strong>Update 2</strong><br> Works for me on Windows XP.</p> <pre><code>java version "1.6.0_13" Java(TM) SE Runtime Environment (build 1.6.0_13-b03) Java HotSpot(TM) Client VM (build 11.3-b02, mixed mode, sharing) java version "1.5.0_13" Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_13-b05) Java HotSpot(TM) Client VM (build 1.5.0_13-b05, mixed mode) </code></pre> <p><strong>Update 3</strong><br> Seems to work on Windows Vista, too. This makes this a Mac OS X 10.5+10.6 issue, AFAIK so far.</p> <p><strong>Update 4</strong><br> This bug is filed under Problem ID #7240026 at Apple.</p>
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    1. COEver any progress on this? I am running into a similar problem.
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    2. CONothing yet... I asked the question on the java-dev Apple mailinglist and didn't receive any reply so far. Meh. http://sourceforge.net/apps/trac/lilith/ticket/72 is the ticket of this issue in my app. It has a link to a slightly enhanced version of the above example code. Please let me know if you find a solution! What's your configuration?
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    3. COTurns out my problem wasn't related to accelerators. I was using a KeyboardFocusManager to disable keyboard input when doing a long-running task in a SwingWorker and it was that code that was failing. Since I implemented them at the same time, and I saw your similar problem, I thought accelerators were to blame, but they weren't. Good luck
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