<AWT Dev> Review request for 4908075: Press shift and another key using robot does not trigger events properly
Oliver Bendig
java at obendig.de
Fri Jul 8 12:09:49 UTC 2016
Ping....
It would be very nice if somebody could have a look at this webrev.
Thanks and kind regards, Oliver
>
> Oliver Bendig <java at obendig.de> hat am 29. Juni 2016 um 15:54 geschrieben:
>
>
> Hi,
>
> here is a test for this. I updated the webrev.
> Webrev: http://cr.openjdk.java.net/~simonis/webrevs/2016/4908075.v2/
>
> This test is for windows only as other OS might catch some of the tested
> keyboard events before the are passed to the canvas.
> I hope this is ok as the problem itself occurs on windows only.
>
> Regards, Oliver
>
>
> > Sergey Bylokhov <Sergey.Bylokhov at oracle.com> hat am 21. Juni 2016 um
> > 21:53
> > geschrieben:
> >
> > Hi, Oliver.
> > Is it possible to write a test for this fix?
> >
> > On 21.06.16 17:39, Oliver Bendig wrote:
> > > Hi,
> > >
> > > can you please review the following fix:
> > >
> > > Webrev: http://cr.openjdk.java.net/~simonis/webrevs/2016/4908075/
> > > BugID: https://bugs.openjdk.java.net/browse/JDK-4908075
> > >
> > > Following some mre details: we are facing issues when trying to send
> > > keyboard events via awt robot. When trying to send a keyboard event
> > > from
> > > the extended keys with the SHIFT-key pressed, this doesn't send a
> > > correct key combination. Instead, the Shift-Key is released before the
> > > second keycode is sent. This makes it impossible to send combinations
> > > like e.g. shift+delete.
> > >
> > > The bug id 4908075 for this issue is rather old. The suggested idea to
> > > switch to SendInput() instead of keybd_event() was delayed at that
> > > time
> > > because of missing support in Win98. For testing purposes, I
> > > implemented
> > > SendInput instead of keybd_event, but the issue stays the same. The
> > > problem seems to be caused by the missing KEYEVENTF_EXTENDEDKEY flag
> > > when calling keybd_event or SendInput. Bug id 8155742 introduces this
> > > flag for other reason for VK_ALT_GRAPH. If this is enhanced to cover
> > > the
> > > extended keys that were introduced as enhancement of the old 84 key AT
> > > keyboard, the correct key events are sent.
> > >
> > > The bug 4908075 was closed as "Won't fix" but I think the fix would be
> > > rather simple. Should I reopen 4908075 or is it better to create a new
> > > bug for this issue.
> > >
> > > Thank you and best regards,
> > > Oliver
> > >
> >
> > --
> > Best regards, Sergey.
>
> >
>
>
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