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TurboVNC / turbovnc

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Toggle remote cursor rendering breaks updates on keyboard input #38

Closed norman-geist closed 8 years ago

norman-geist commented 8 years ago

After toggling the remote cursor rendering option in an active connection between to linux boxes, it seems to break something with the udpinputport as entered text is not seen anymore. It seems keyboard input do nor more trigger an update of the vnc screen, whereas the enetered text gets visible when moving the editor window inside vnc.

dcommander commented 8 years ago

Will investigate.

norman-geist commented 8 years ago

Some more detailes:

I'm using KDE4, and XDMCP to get an login screen. Within the login screen the problem doesn't occur. I can switch remote cursor rendering on/off. But, after login, when turning off the remote cursor rendering, only one more keyboard hit is shown in e.g an console terminal. Afterwards no keyboard hit triggeres an screen update anymore. But it can be seen that all keyboard hits were sent to the vnc, as they appear suddenly when moving the console terminal window around using the mouse.

dcommander commented 8 years ago

Please supply the following details:

norman-geist commented 8 years ago

Von: DRC [mailto:notifications@github.com] Gesendet: Donnerstag, 14. April 2016 21:27 An: TurboVNC/turbovnc turbovnc@noreply.github.com Cc: norman-geist norman.geist@uni-greifswald.de Betreff: Re: [TurboVNC/turbovnc] Toggle remote cursor rendering breaks updates on keyboard input (#38)

Please supply the following details:

— You are receiving this because you authored the thread. Reply to this email directly or https://github.com/TurboVNC/turbovnc/issues/38#issuecomment-210110784 view it on GitHub https://github.com/notifications/beacon/ARa0mtlNiktqksCnWrg1SDGmr-hjYXT-ks5p3pTygaJpZM4H_MFM.gif

dcommander commented 8 years ago

There seem to be some general problems with server-side cursor rendering, stemming from the upgrade of our X server code base to X.org 7.7 (which happened in TurboVNC 2.0.) I'm investigating.

dcommander commented 8 years ago

This issue is tied very closely to #38, so it's proving tricky to solve both of them simultaneously without breaking something else. I'll keep you posted. I've had an extraordinarily busy summer and thus haven't been able to spend more than 10 or 15 hours looking at this, and it's probably going to take 10 or 15 hours more to resolve it. It's required a lot of digging through the code history and adding debug statements and such. This absolutely will be fixed in TurboVNC 2.1. I'm delaying that release for this and a couple of other critical bugs.

dcommander commented 8 years ago

Please try again with the current code in Git master. I was never able to reproduce this specific problem, but I'm hoping that the other problems that were fixed with server-side cursor rendering fixed this one as well. If not, then I'm going to need more details about how to reproduce this.

dcommander commented 8 years ago

Please re-test with the release candidate and let me know if this problem still exists:

http://www.turbovnc.org/DeveloperInfo/PreReleases

norman-geist commented 8 years ago

I’m not able to reproduce the problem anymore, maybe fixed by os update of a 3rd party library.

Von: DRC [mailto:notifications@github.com] Gesendet: Montag, 4. April 2016 17:48 An: TurboVNC/turbovnc turbovnc@noreply.github.com Cc: norman-geist norman.geist@uni-greifswald.de Betreff: Re: [TurboVNC/turbovnc] Toggle remote cursor rendering breaks updates on keyboard input (#38)

Will investigate.

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dcommander commented 8 years ago

OK, cool. Closing as fixed.