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https://issues.apache.org/jira/browse/GUACAMOLE-447?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16313694#comment-16313694
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Michael Jumper commented on GUACAMOLE-447:
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[~gtrasuk] - I've merged both GUACAMOLE-447 and GUACAMOLE-352 onto a testing
branch on my fork of guacamole-client called "ios-keyboard-test":
https://github.com/mike-jumper/guacamole-client/tree/ios-keyboard-test
Mind retesting with the above to see if the problems you're encountering remain?
> Certain keys fail for external keyboards on iOS Safari
> ------------------------------------------------------
>
> Key: GUACAMOLE-447
> URL: https://issues.apache.org/jira/browse/GUACAMOLE-447
> Project: Guacamole
> Issue Type: Bug
> Components: guacamole-common-js
> Reporter: Michael Jumper
> Assignee: Michael Jumper
> Priority: Minor
>
> As [reported by Greg on the mailing
> lists|https://lists.apache.org/thread.html/8efe6e11b9ff53bd041eb970e7c672a9bc052648888eb6ffe2f1736d@%3Cuser.guacamole.apache.org%3E],
> external keyboards do not quite work correctly with Guacamole under iOS
> Safari:
> {quote}
> I’m trying to use Guacamole with an iOS device (I’ve tried both iPad and
> iPhone devices) with an IOGear GKB632B keyboard
> (https://www.iogear.com/product/GKB632B/)
> The problem is that Guac doesn’t seem to understand the keyboard mapping,
> particularly for the escape key (and I would guess other keys as well, but
> all I’m trying to do is use ‘vi’). On this keyboard When used through Safari
> on the iOS devices, the escape key generates a ‘U’ character. It works when
> connected to a MacBook.
> {quote}
> On further investigation, iOS Safari seems to be sending incorrect,
> platform-specific key identifiers for the failing keys:
> {quote}
> ... Here’s the result from the keypress tester:
> {code:none}
> keydown e.keyCode=0 e.which=0 e.keyIdentifier=Unidentified
> e.key=UIKeyInputEscape e.altKey=false e.ctrlKey=false e.altGraphKey=false
> e.metaKey=false e.shiftKey=false e.location=0 e.keyLocation=0
> keypress e.keyCode=85 e.which=85 e.keyIdentifier=
> e.key=UIKeyInputEscape e.altKey=false e.ctrlKey=false e.altGraphKey=false
> e.metaKey=false e.shiftKey=false e.location=0 e.keyLocation=0
> keyup e.keyCode=0 e.which=0 e.keyIdentifier=Unidentified
> e.key=UIKeyInputEscape e.altKey=false
> {code}
> So… looks kind of funny. The keycode reported is ’85’ which is the U
> character, but the key that’s reported is ‘UIKeyInputEscape’, which is
> clearly not ‘U’, and also not ESC (27). Googling ‘UIKeyInputEscape’ suggests
> that this is UIKit’s name for the escape key, but the keycode is wrong.
> {quote}
> It's possible that these identifiers simply need to be added to the list of
> known identifiers to work around the issue... or perhaps something else is
> going on.
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