How to search for a JRE 7 Mac Bug? (original) (raw)
Jeff Martin jeff at reportmill.com
Thu Aug 23 23:45:15 UTC 2012
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Thanks! I filed the bug but it isn't available quite yet: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7193703
My situation is probably unique because my JProgressBar sometimes doesn't get shown onscreen. I found a work around though, which is to call updateUI() on it after setIndeterminate(true) - this stops the timer plus InvocationEvents. I've attached my sample code below.
jeff
On Aug 23, 2012, at 5:11 PM, Sergey Bylokhov wrote:
Hi, Jeff. You can try to use: http://bugs.sun.com/bugdatabase/
Probably some related issues: http://bugs.sun.com/bugdatabase/viewbug.do?bugid=7168926 http://bugs.sun.com/bugdatabase/viewbug.do?bugid=7124525 24.08.2012 00:55, Jeff Martin wrote: How do I search for known JRE 7 Swing bugs (or file one)?
I find that in JRE7 for Mac, if you have a JProgressBar set to Indeterminate that is hanging around off screen, it sends constant timer events. jeff
import javax.swing.; import java.awt.; import java.awt.event.*; import javax.swing.SwingUtilities;
/**
A class to show JProgressBar bug on Mac OS. */ public class ProgressBarBug extends EventQueue {
static JProgressBar _pb = new JProgressBar();
public static void main(final String args[]) { if(!SwingUtilities.isEventDispatchThread()) { SwingUtilities.invokeLater(new Runnable() { public void run() { main(args); }}); return; }
// Create a ProgressBar offscreen, setIndeterminate (turn it off) and hold on to ProgressBar
_pb = new JProgressBar(); _pb.setIndeterminate(true); // This starts timer, even though offscreen or turned off
_pb.setIndeterminate(false); //_pb.updateUI(); <- This stops the timer
// Register EventQueue to print non-stop timer InvocationEvents
try { Toolkit.getDefaultToolkit().getSystemEventQueue().push(new ProgressBarBug()); }
catch(Exception e) { throw new RuntimeException(e); }
// Create and show window to keep app around
new JFrame("Test Frame").setVisible(true);}
// This method shows all the non-stop timer InvocationEvents public void dispatchEvent(AWTEvent anEvent) { if(anEvent instanceof InvocationEvent) System.out.println(anEvent); super.dispatchEvent(anEvent); }
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