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Posted to user@guacamole.apache.org by Steffen Moser <li...@steffen-moser.de> on 2018/02/07 09:42:44 UTC
Guacamole 0.9.14, RDP, Accent Symbols on German Keyboard Layout
Hi all,
we use Guacamole 0.9.14 on Tomcat 8.5.23 (shipped with Solaris 11.3
SRU 28). Our users connect to a Ubuntu 16.04.3 LTS server running "xrdp
0.9.0+master-1" which opens a "sesman-Xvnc" session, i.e. we use the
following tool chain: Firefox/Chrome -> Guacamole Client 0.9.14 ->
Guacamole Server 0.9.14 -> XRDP 0.9.0 -> TigerVNC 1.6.80 -> X11/Ubuntu
16.04.3 LTS Linux.
Some other users connect to a Windows Server 2016 via the same Guacamole
setup.
As my users typically want to use German Umlauts in their remote
sessions, we run everything in a German keyboard environment. This
means: In Guacamole's (LDAP-based) configuration, I've set:
server layout=de-de-qwertz
for the Linux and the Windows connection.
Everything works well except for the French accents: Acute accent (´),
grave accent (`) and circumflex accent (^) are non-functional, pressing
the keys doesn't generate a symbol on the remote host. Even pressing
them twice (or pressing them before pressing a vowel key) doesn't work.
It also doesn't matter whether the user's operating system is configured
with enabled dead key behavior or not.
Unfortunately, my students need especially the circumflex accent (^)
quite regularly when working in Matlab and Octave scripts where the
symbol is used for the matrix power operation. Currently they have to
use virtual keyboards or have to copy the symbol via clipboard which
irritates users.
When using a native RDP client (Microsoft Remote Desktop) in Windows or
macOS, the problem does not occur, neither with our Linux XRDP remote
host nor with our Windows Server remote host. All accent keys work
completely fine when accessing from Microsoft's RDP client. For this
reason, I am on the one hand quite sure it's related to Guacamole.
On the other hand, the keyboard test in Guacamole seems to recognize the
keys correctly:
Guacamole.Keyboard tester version 1.4 (0.9.9) Mike Jumper
Please press some keys...
guacamole keydown 0x5e U+005E CIRCUMFLEX ACCENT
guacamole keyup 0x5e U+005E CIRCUMFLEX ACCENT
guacamole keydown 0xe9 U+00E9 LATIN SMALL LETTER E WITH ACUTE
guacamole keyup 0xe9 U+00E9 LATIN SMALL LETTER E WITH ACUTE
guacamole keydown 0xffe2 Right shift
guacamole keyup 0xffe2 Right shift
guacamole keydown 0xe8 U+00E8 LATIN SMALL LETTER E WITH GRAVE
guacamole keyup 0xe8 U+00E8 LATIN SMALL LETTER E WITH GRAVE
guacamole keydown 0x5e U+005E CIRCUMFLEX ACCENT
guacamole keyup 0x5e U+005E CIRCUMFLEX ACCENT
guacamole keydown 0xea U+00EA LATIN SMALL LETTER E WITH CIRCUMFLEX
guacamole keyup 0xea U+00EA LATIN SMALL LETTER E WITH CIRCUMFLEX
All of these produce no symbol on the remote host.
My question is: Does anybode have an idea what I could do to narrow this
problem down?
Thank you very much in advance!
Kind regards,
Steffen
Re: Guacamole 0.9.14, RDP, Accent Symbols on German Keyboard Layout
Posted by Steffen Moser <li...@steffen-moser.de>.
Hi Mike,
thanks a lot! Just tested it. It works fine for Chrome and Firefox on
Windows 10 and Linux (with dead keys enabled and disabled).
This will be very helpful for my users!
Unfortunately, I don't see an improvement for Chrome and Firefox on
macOS 10.13.
I haven't tested with other browsers, yet.
Kind regards,
Steffen
On 07.02.18 21:04, Mike Jumper wrote:
> Please try building Guacamole from git master and see if you are still
> encountering problems with dead keys. While Guacamole previously was
> only able to handle dead keys if the browser handled them with
> traditional key events, this has recently changed:
>
> https://issues.apache.org/jira/browse/GUACAMOLE-352 ("Add support for
> dead keys")
>
> The above changes affect both guacamole-client and guacamole-server and
> achieve support for dead keys through:
>
> * Handling the composition events which some platforms dispatch instead
> of key events when dead keys are used
> * Automatically decomposing the received key into the required dead key
> and base key sequence within RDP (all other protocols allow such keys to
> be typed directly)
>
> - Mike
>
>
> On Wed, Feb 7, 2018 at 1:42 AM, Steffen Moser <lists@steffen-moser.de
> <ma...@steffen-moser.de>> wrote:
>
> Hi all,
>
> we use Guacamole 0.9.14 on Tomcat 8.5.23 (shipped with Solaris 11.3
> SRU 28). Our users connect to a Ubuntu 16.04.3 LTS server running "xrdp
> 0.9.0+master-1" which opens a "sesman-Xvnc" session, i.e. we use the
> following tool chain: Firefox/Chrome -> Guacamole Client 0.9.14 ->
> Guacamole Server 0.9.14 -> XRDP 0.9.0 -> TigerVNC 1.6.80 -> X11/Ubuntu
> 16.04.3 LTS Linux.
>
> Some other users connect to a Windows Server 2016 via the same Guacamole
> setup.
>
> As my users typically want to use German Umlauts in their remote
> sessions, we run everything in a German keyboard environment. This
> means: In Guacamole's (LDAP-based) configuration, I've set:
>
> server layout=de-de-qwertz
>
> for the Linux and the Windows connection.
>
> Everything works well except for the French accents: Acute accent (´),
> grave accent (`) and circumflex accent (^) are non-functional, pressing
> the keys doesn't generate a symbol on the remote host. Even pressing
> them twice (or pressing them before pressing a vowel key) doesn't work.
> It also doesn't matter whether the user's operating system is configured
> with enabled dead key behavior or not.
>
> Unfortunately, my students need especially the circumflex accent (^)
> quite regularly when working in Matlab and Octave scripts where the
> symbol is used for the matrix power operation. Currently they have to
> use virtual keyboards or have to copy the symbol via clipboard which
> irritates users.
>
> When using a native RDP client (Microsoft Remote Desktop) in Windows or
> macOS, the problem does not occur, neither with our Linux XRDP remote
> host nor with our Windows Server remote host. All accent keys work
> completely fine when accessing from Microsoft's RDP client. For this
> reason, I am on the one hand quite sure it's related to Guacamole.
>
> On the other hand, the keyboard test in Guacamole seems to recognize the
> keys correctly:
>
> Guacamole.Keyboard tester version 1.4 (0.9.9) Mike Jumper
> Please press some keys...
>
> guacamole keydown 0x5e U+005E CIRCUMFLEX ACCENT
> guacamole keyup 0x5e U+005E CIRCUMFLEX ACCENT
>
> guacamole keydown 0xe9 U+00E9 LATIN SMALL LETTER E WITH ACUTE
> guacamole keyup 0xe9 U+00E9 LATIN SMALL LETTER E WITH ACUTE
>
> guacamole keydown 0xffe2 Right shift
> guacamole keyup 0xffe2 Right shift
> guacamole keydown 0xe8 U+00E8 LATIN SMALL LETTER E WITH GRAVE
> guacamole keyup 0xe8 U+00E8 LATIN SMALL LETTER E WITH GRAVE
>
> guacamole keydown 0x5e U+005E CIRCUMFLEX ACCENT
> guacamole keyup 0x5e U+005E CIRCUMFLEX ACCENT
>
> guacamole keydown 0xea U+00EA LATIN SMALL LETTER E WITH
> CIRCUMFLEX
> guacamole keyup 0xea U+00EA LATIN SMALL LETTER E WITH
> CIRCUMFLEX
>
> All of these produce no symbol on the remote host.
>
> My question is: Does anybode have an idea what I could do to narrow this
> problem down?
>
> Thank you very much in advance!
>
> Kind regards,
> Steffen
>
>
Re: Guacamole 0.9.14, RDP, Accent Symbols on German Keyboard Layout
Posted by Mike Jumper <mi...@guac-dev.org>.
Please try building Guacamole from git master and see if you are still
encountering problems with dead keys. While Guacamole previously was only
able to handle dead keys if the browser handled them with traditional key
events, this has recently changed:
https://issues.apache.org/jira/browse/GUACAMOLE-352 ("Add support for dead
keys")
The above changes affect both guacamole-client and guacamole-server and
achieve support for dead keys through:
* Handling the composition events which some platforms dispatch instead of
key events when dead keys are used
* Automatically decomposing the received key into the required dead key and
base key sequence within RDP (all other protocols allow such keys to be
typed directly)
- Mike
On Wed, Feb 7, 2018 at 1:42 AM, Steffen Moser <li...@steffen-moser.de>
wrote:
> Hi all,
>
> we use Guacamole 0.9.14 on Tomcat 8.5.23 (shipped with Solaris 11.3
> SRU 28). Our users connect to a Ubuntu 16.04.3 LTS server running "xrdp
> 0.9.0+master-1" which opens a "sesman-Xvnc" session, i.e. we use the
> following tool chain: Firefox/Chrome -> Guacamole Client 0.9.14 ->
> Guacamole Server 0.9.14 -> XRDP 0.9.0 -> TigerVNC 1.6.80 -> X11/Ubuntu
> 16.04.3 LTS Linux.
>
> Some other users connect to a Windows Server 2016 via the same Guacamole
> setup.
>
> As my users typically want to use German Umlauts in their remote
> sessions, we run everything in a German keyboard environment. This
> means: In Guacamole's (LDAP-based) configuration, I've set:
>
> server layout=de-de-qwertz
>
> for the Linux and the Windows connection.
>
> Everything works well except for the French accents: Acute accent (´),
> grave accent (`) and circumflex accent (^) are non-functional, pressing
> the keys doesn't generate a symbol on the remote host. Even pressing
> them twice (or pressing them before pressing a vowel key) doesn't work.
> It also doesn't matter whether the user's operating system is configured
> with enabled dead key behavior or not.
>
> Unfortunately, my students need especially the circumflex accent (^)
> quite regularly when working in Matlab and Octave scripts where the
> symbol is used for the matrix power operation. Currently they have to
> use virtual keyboards or have to copy the symbol via clipboard which
> irritates users.
>
> When using a native RDP client (Microsoft Remote Desktop) in Windows or
> macOS, the problem does not occur, neither with our Linux XRDP remote
> host nor with our Windows Server remote host. All accent keys work
> completely fine when accessing from Microsoft's RDP client. For this
> reason, I am on the one hand quite sure it's related to Guacamole.
>
> On the other hand, the keyboard test in Guacamole seems to recognize the
> keys correctly:
>
> Guacamole.Keyboard tester version 1.4 (0.9.9) Mike Jumper
> Please press some keys...
>
> guacamole keydown 0x5e U+005E CIRCUMFLEX ACCENT
> guacamole keyup 0x5e U+005E CIRCUMFLEX ACCENT
>
> guacamole keydown 0xe9 U+00E9 LATIN SMALL LETTER E WITH ACUTE
> guacamole keyup 0xe9 U+00E9 LATIN SMALL LETTER E WITH ACUTE
>
> guacamole keydown 0xffe2 Right shift
> guacamole keyup 0xffe2 Right shift
> guacamole keydown 0xe8 U+00E8 LATIN SMALL LETTER E WITH GRAVE
> guacamole keyup 0xe8 U+00E8 LATIN SMALL LETTER E WITH GRAVE
>
> guacamole keydown 0x5e U+005E CIRCUMFLEX ACCENT
> guacamole keyup 0x5e U+005E CIRCUMFLEX ACCENT
>
> guacamole keydown 0xea U+00EA LATIN SMALL LETTER E WITH CIRCUMFLEX
> guacamole keyup 0xea U+00EA LATIN SMALL LETTER E WITH CIRCUMFLEX
>
> All of these produce no symbol on the remote host.
>
> My question is: Does anybode have an idea what I could do to narrow this
> problem down?
>
> Thank you very much in advance!
>
> Kind regards,
> Steffen
>