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POJava 7 resize a JFrame (my GUI): the componentListener is not getting fired
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I've Googled around and could not find an answer: I have a JFrame as a GUI and set a componentListener like <pre><code>this.addComponentListener(new CL(this, logger)); </code></pre> In the componentListener I have the componentResized, etc... <pre><code>public void componentResized(ComponentEvent e) { if (e.getSource() == gui) { here I do the code } } </code></pre> Everything is working fine under Java 6, but under Java 7, the Jframe is being resized but is not being repainted: the component listener is not getting called I tried some alternatives from StackOverflow in the way of coding, but no way to make it work. When I minimize the GUI window and restore it, then "componentResized" is being called. Anyone an idea what's going on and why it works under Java 6 and not Java 7. Here is a sample code: <pre><code>public class Frame extends JFrame { private JPanel panel; public Frame() { super(); getContentPane().setBounds(new Rectangle(0, 0, 200, 200)); getContentPane().setLayout(null); getContentPane().add(getPanel()); this.addComponentListener(new ComponentListener() { @Override public void componentResized(ComponentEvent e) { System.out.println("Window Resized: Frame");} @Override public void componentMoved(ComponentEvent e) {} @Override public void componentShown(ComponentEvent e) {} @Override public void componentHidden(ComponentEvent e) {}}); this.setSize(200, 200); this.setPreferredSize(new Dimension(200, 200)); this.pack(); } public JPanel getPanel() { if (panel == null) { panel = new JPanel(); panel.setBackground(Color.RED); panel.setBounds(0, 0, 200, 200); panel.setPreferredSize(new Dimension(200, 200)); } return panel; } } </code></pre> And this is the startup class: <pre><code>public class StartUp { public static void main(String[] args) { try { UIManager.setLookAndFeel(UIManager.getCrossPlatformLookAndFeelClassName()); } catch (Exception e) { e.printStackTrace(); } Frame app = new Frame(); app.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE); app.pack(); app.setVisible(true); } } </code></pre> When run under Java 6 you get the "Window Resized: Frame" message. The same run under Java 7, no messages at all. Below are 2 links to Pictures: <ul> <li>Java 6 </li> </ul> <a href="http://magmabrazil.dyndns.org:4443/images/java6.gif" rel="nofollow">Java 6 Frame Image</a> <ul> <li>Java 7 </li> </ul> <a href="http://magmabrazil.dyndns.org:4443/images/java7.gif" rel="nofollow">Java 7 Frame Image</a>
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<java><swing><resize><jframe><componentlistener>
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Java 7 resize a JFrame (my GUI): the componentListener is not getting fired
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