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POGWT: How to put event in queue (equivalent to Swing invokeLater())?
 

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  1. POGWT: How to put event in queue (equivalent to Swing invokeLater())?
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    <p>Having the following szenario: blurring a textBox (input) writes text to my status-Box (in certain conditions), and clicking a button also writes text to the status-Box.</p> <p>Now when clicking the button it will blur my textBox if it is focused and that will cause the status-Box to flicker as first the blurHandler will write its result and then the clickHandler. As i want the result of the clickHandler to appear my idea is to let the blurHandler place an event at the end of the queue which checks whether a clickHandler has written a result before.</p> <p>In Swing I would try <a href="http://docs.oracle.com/javase/1.4.2/docs/api/javax/swing/SwingUtilities.html" rel="nofollow noreferrer">SwingUtilities</a>.invokeLater(Runnable). The equivalent in GWT is said to be the <a href="http://google-web-toolkit.googlecode.com/svn/javadoc/2.0/com/google/gwt/core/client/Scheduler.html" rel="nofollow noreferrer">Scheduler</a> but those deferred or finally commands seems always to run after the current event and before the next. So far i use Scheduler.scheduleFixedDelay with 100ms delay and hope it comes after the clickHanlder in each browser. See similar <a href="https://stackoverflow.com/questions/3385590/javascript-blur-click-problem">problem</a> with answer.</p> <p>I think there must be a better solution for this. How to <strong>really</strong> add an event to the end of the queue or is it impossible due to limitations of HTML?</p>
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    1. CONote that your problem have *nothing* to do with HTML but with Javascript engines of various browser. Scheduler adds event to the end of the queue, but browser may generate next event after your event has completed. Does this effect appears in all browsers?
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    2. COyes the effect appears in all browsers
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    3. COI'm not sure if this is the best solution, but on textBox blur you may have to see if focus went to the specific button. It doesn't seem very elegant. Perhaps this link will help: http://stackoverflow.com/questions/7096120/how-to-determine-where-focus-went
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