Re: Shortcut handling in different keyboard layouts
Re: Shortcut handling in different keyboard layouts
- Subject: Re: Shortcut handling in different keyboard layouts
- From: Peter Castine <email@hidden>
- Date: Wed, 1 Apr 2009 16:39:04 +0200
Matching on keycode will almost always confuse your users.
There are at least 9 different Cyrillic keyboard layouts supported by
OS X. If you write code that matches the virtual keycode for 2nd rank
11th key, it will match "з" (ze) for half or those layouts and
"п" (pe) for the other half. Your users are not going to count off
ranks and keys, they will be looking for a Cyrillic character. Half of
them will hit a different key from what you're expecting.
If Cyrillic keyboards are likely to be a part of your user base, you
would probably be better advised to set up a mapping table for
Cyrillic characters. Either map the Cyrillic alphabet to the Latin
alphabet and from thence to your keyboard commands or, better still,
map the Cyrillic alphabet directly to the keyboard-triggered commands.
As pointed out earlier, the OS handles this automagically for Cmd-key
combinations. You can see this for yourself by turning on a couple of
relevant keyboard layouts in System Preferences->International->Input
Menu, selecting one of them and turning on the Keyboard Viewer (at the
bottom of the Input Menu). While the Command key is depressed, the
layout reverts to US Sholes.
I have used a few applications that implemented keyboard shortcuts
beyond Command-key combinations. Those that implemented keyboard-
command mappings based on an assumed physical location of characters
have always left international users confused and disatisfied.
My €0.02 -- Peter
On 1-Apr-2009, at 10:11, Rimas M. wrote:
I have an idea: Check if input character has code 0-255 (ASCII). If
yes - perform matching by symbol or its code. Otherwise (Unicode
symbol, like Cyrillic) perform matching by keyCode. I am wondering if
it will work in right way...
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