Re: [Qemu-devel] VNC key presses not correct

[Markus Armbruster]

Anthony Liguori <address@hidden> writes:

> On Aug 22, 2013 4:55 PM, "Erik Rull" <address@hidden> wrote:
>>
>> Markus Armbruster wrote:
>>>
>>> Erik Rull <address@hidden> writes:
>>>
>>>> Markus Armbruster wrote:
>>>>>
>>>>> Erik Rull <address@hidden> writes:
>>>>>
>>>>>> Hi all,
>>>>>>
>>>>>> I'm struggling with the QEMU VNC on qemu-kvm-1.2.0 a bit, the following 
>>>>>> two
>>>>>> things are not working properly:
>>>>>
>>>>>
>>>>> Have you tried to reproduce on a current version?
>>>>>
>>>>
>>>> Hello Markus,
>>>>
>>>> yes, I was able to reproduce this with the released qemu-1.6.0 from
>>>> the qemu-wiki website. Character mistakes are the same when opening a
>>>> Notepad on Windows XP on the guest.
>>>
>>>
>>> Thanks!
>>>
>>>> Maybe nobody cares because english is the layout used nearly everywhere :-)
>>>
>>>
>>> I nobody cared, we wouldn't ship it :)
>>>
>>> Cc'ing Gerd, who knows more about VNC than I do.
>>>
>>>> And it is not related to the host operating system, I used a Debian
>>>> 6.0 and a self built linux - both with the same effect.
>>>> And it is not related to the VNC client, I tried several clients on
>>>> several operating systems, all with the same result.
>>>>
>>>> Do you see this effect with a non-english input layout on your side, too?
>>>> When using SDL/direct input everything is great.
>>>
>>>
>>> Your initial report has details on some keypresses.  Please also tell us
>>> your complete QEMU command line, and your complete VNC client command
>>> line(s).
>>>
>>
>> Sure, here it is:
>> ./qemu-system-x86_64 -drive file=../../../qemu-img/windows.img,cache=off
> -readconfig ../docs/ich9-ehci-uhci.cfg -device usb-tablet,bus=ehci.0 -boot
> c -no-acpi -monitor telnet::5100,server,nowait -vnc :1 -m 1024 --enable-kvm
> -cpu host
>
> You need to specify a keymap with -k

Yes, because...

>> Client is e.g. Ultra VNC 32 bit under Windows XP V 1.0.8.0 => Just enter
> the IP::Port and connect. Or RealVNC in the same way.
>> Client OS has german keyboard and german keyboard layout - on the QEMU
> guest side it doesn't matter which input language is set.
>> Guest is Windows XP SP3 32 bit.

... you use a VNC client that doesn't understand the extended key event
extension.  The extension enables 100% faithful key interpretation, -k
can only approximate it.

https://www.berrange.com/posts/2010/07/04/more-than-you-or-i-ever-wanted-to-know-about-virtual-keyboard-handling/