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From "Michael Jumper (JIRA)" <>
Subject [jira] [Commented] (GUACAMOLE-121) Ctrl/Alt key combinations not working
Date Mon, 05 Dec 2016 03:45:58 GMT


Michael Jumper commented on GUACAMOLE-121:

Where are the instructions on how to add a keyboard layout? I might be willing to spend the

The keyboard layout format isn't properly documented yet, but you can find the existing layout
definitions in the {{src/protocols/rdp/keymaps/}} directory of the guacamole-server source:

The format is (hopefully) relatively human-readable. Each .keymap file defines a mapping from
layout-independent X11 keysyms (used by Guacamole) to layout-dependent scancodes (used by
RDP). Once a new mapping file has been created, it needs to be added to {{src/protocols/rdp/}}:

that way it will be built along with the other keymaps.

My recommendation for getting started would be to just modify an existing keymap to match
the Swiss-French layout - whichever keymap looks closest. Once it's been confirmed to work
as expected, it can be added to the build as a separate keymap.

> Ctrl/Alt key combinations not working
> -------------------------------------
>                 Key: GUACAMOLE-121
>                 URL:
>             Project: Guacamole
>          Issue Type: Improvement
>    Affects Versions: 0.9.10-incubating
>            Reporter: J-M Roth
> If you are working fast (actually using the keyboard to more than type text and not use
the mouse to click all the time) you definitely need Ctrl/Alt+key combinations to work.
> For example when searching something in the browser, you want to use Ctrl+F for "find"
(and not go and click around in the menu, how retro is that). The same goes for Alt+key of
> I understand that the event will go to the local browser, and not to the application
inside Guacamole, however something should be done to improve that (provide at least some
keyboard combination that simulates the use of those keys).
> Using the onscreen Ctrl/Alt key is not working BTW.
> (As a sidenote: can "Ctrl-W" be trapped, such that the guacamole window is not closed
when used? (Especially bad when you like to use a Linux terminal inside Guac, and are used
to using shortcuts like deleting works using Ctrl+W) ^^)

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