Re: determining keyboard layout?

Subject: Re: determining keyboard layout?

From: Scott Kovatch <email@hidden>

Date: Tue, 12 Sep 2006 11:49:24 -0400

Delivered-to: email@hidden

On Sep 12, 2006, at 3:10 AM, Elliott Hughes wrote:

i don't care if i have to use Cocoa or Carbon (though obviously pure Java would be ideal), but is there any way i can tell what keyboard layout is in use? a Danish user reckons that the command-shift [ and command-shift ] work-around for not being able to specify command-{ and command-} in Java doesn't work on a Danish keyboard, where you get { and } from alt-shift 8 and alt-shift 9.

rather than use un-Mac keyboard equivalents for everyone, i was thinking of detecting "non English" keyboard layouts and using an alternative there. only i can't work out how to do the detection.

You can ask the InputContext of a component for its locale. We return the ISO language/country/variant for the currently selected keyboard layout.

(if anyone knows how to get command-shift [ and command-shift ] to work on a Danish keyboard, that would be better still.)

The problem here is that the DefaultKeyTypedAction in the DefaultEditorKit blocks key-typed events with the META (Command) key bit set. We had to change the logic in javax.swing.text.DefaultEditorKit, because a key-typed event with the ALT key was being blocked. On the Mac, option-whatever always generates a valid key, so many non-ASCII values that could be generated on a Mac keyboard would be lost. We changed it to look for META, since command-whatever typically invokes a menu equivalent and we don't want them to go to the text component... except in this case.

I'm not sure right now what a good workaround for this would be. One possibility would be to somehow intercept the key-typed and turn off the META flag before the text component processed it.

Scott

------------------
Scott Kovatch
Apple Computer
Java Runtime Classes
Cleveland Hts, OH
email@hidden

I am Scott Kovatch, and I approved this message.

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