<AWT Dev> [8] Review request for 7033533: realSync() doesn't work with Xfce

Leonid Romanov leonid.romanov at oracle.com
Wed Sep 25 07:11:02 PDT 2013

I'm not an expert in X11 programming, so I can't comment about the fix 
in general, but I think the line 2436, "return getEventNumber() - 
event_number > 3", really asks for a comment.

On 9/25/2013 16:38, Oleg Pekhovskiy wrote:
> Hi all,
> please review the fix
> http://cr.openjdk.java.net/~bagiras/7033533.1/
> for
> https://bugs.openjdk.java.net/browse/JDK-7033533
> Previous implementation of XToolkit.syncNativeQueue() relied upon 
> WM_S0 atom existence and that it was owned by current window manager.
> But several WMs (like XFCE and LXDE) don't send SelectionNotify event 
> to the client on XConvertSelection() for that atom. That led 
> XToolkit.syncNativeQueue() to hang until TimeOutException.
> I decided to keep XConvertSelection() usage, but make root toolkit 
> window as an owner for selection atom (with another name), and handle 
> SelectionRequest event from X Server, sending SelectionNotify in 
> response (as window manager is supposed to do).
> Tested on both XFCE and LXDE.
> Thanks,
> Oleg

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