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POFocusListener on editable JCombobox not firing
 

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    <p>First of all: Sorry that I cannot provide a SSCCE. I tried to recreate this problem on a small project, but without success, or should I say with success, because its working there!</p> <p>So here is my Problem: I have an editable JCombobox, which should listen to a focus event by clicking in the editor component. But it doesn´t.</p> <p>Here is a code snippet where I attach the listener:</p> <pre><code>cmbZoom.setToolTipText(locale.getString("GUI_ZoomFactor")); cmbZoom.setFont(new Font(Font.SANS_SERIF, Font.PLAIN, 16)); cmbZoom.setPreferredSize(new Dimension(88, 29)); cmbZoom.setEditable(true); ((JTextField)cmbZoom.getEditor().getEditorComponent()).setHorizontalAlignment(JTextField.CENTER); cmbZoom.getEditor().getEditorComponent().addFocusListener( new FocusListener(){ public void focusGained(FocusEvent arg0) { System.out.println("GAINED"); } public void focusLost(FocusEvent arg0) { System.out.println("LOST"); } }); </code></pre> <p>I have already tried to remove all other listener on the combobox, remove the observer pattern, make the combobox protected and attach the listener on each child,...</p> <p>I have also tried to reimplement it like written on this post: <a href="https://stackoverflow.com/questions/10293135/jcombobox-focuslost-is-not-firing-why-is-that">JCombobox focusLost is not firing-why is that?</a></p> <p>Is there a good way to debug events?</p> <p>The whole project can be viewed on Github: <a href="https://github.com/nexxx/Database-Analyzer" rel="nofollow noreferrer">https://github.com/nexxx/Database-Analyzer</a></p> <p>The toolbar class can be found here (code starting on line 98): <a href="https://github.com/nexxx/Database-Analyzer/blob/master/src/dba/gui/auxClasses/toolBars/ToolBar.java" rel="nofollow noreferrer">https://github.com/nexxx/Database-Analyzer/blob/master/src/dba/gui/auxClasses/toolBars/ToolBar.java</a></p>
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    1. USAndreas Freitag
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    1. COThe fact that the same code causes problems in some circumstances but not others leads me to suspect your code may not be executing on the [AWT event dispatch thread](http://docs.oracle.com/javase/tutorial/uiswing/concurrency/dispatch.html).
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    2. CO@VGR Thanks alot! This was the problem! Can you write an answer so I can mark it as solved.
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      1. USAndreas Freitag
    3. COunrelated: [don't use setXXSize, ever](http://stackoverflow.com/a/7229519/203657)
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      1. USkleopatra
 

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