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From: Launchpad Bug Tracker <1502884@bugs.launchpad.net>
To: qemu-devel@nongnu.org
Subject: [Bug 1502884] Re: Super important feature req: QEMU VNC server: Introduce a keyboard "norepeat" option!
Date: Mon, 21 Jun 2021 04:17:41 -0000	[thread overview]
Message-ID: <162424906160.11837.11213507778480328834.malone@loganberry.canonical.com> (raw)
In-Reply-To: 20151005123157.4012.27683.malonedeb@soybean.canonical.com

[Expired for QEMU because there has been no activity for 60 days.]

** Changed in: qemu
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1502884

Title:
  Super important feature req: QEMU VNC server: Introduce a keyboard
  "norepeat" option!

Status in QEMU:
  Expired

Bug description:
  Hi,

  A big issue when using QEMU's VNC server (VNC KVM) is that, when
  there's a network lag, unintended keypresses go through to the QEMU
  guest VM.

  This is frequently "enter" keypresses, causing all kinds of unintended
  consequences in the VM. So basically it's extremely dangerous.

  This is because the VNC protocol's keyboard interaction is implemented
  in terms of key down - key up events, making the server's keyboard
  autorepeat kick in when it should not.

  
  For this reason, it would be great if QEMU's VNC server part would be enhanced with an option such that when a VNC protocol key down is received, then locally that is treated as one single keypress only (I don't know how that should be implemented but I guess either as an immediate key down - key up sequence locally, or key down + key up after say 0.05 seconds), instead of waiting for the key up event from the VNC client.

  Thanks!

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      parent reply	other threads:[~2021-06-21  4:35 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-05 12:31 [Qemu-devel] [Bug 1502884] [NEW] Super important feature req: QEMU VNC server: Introduce a keyboard "norepeat" option! Mikael
2015-10-05 12:44 ` [Qemu-devel] [Bug 1502884] " Mikael
2020-09-27 15:46 ` Marcel Partap
2020-09-28  8:15 ` Daniel Berrange
2021-04-22  4:03 ` Thomas Huth
2021-06-21  4:17 ` Launchpad Bug Tracker [this message]

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