Re: Custom Text Input Control
Re: Custom Text Input Control
- Subject: Re: Custom Text Input Control
- From: Frank Neumann <email@hidden>
- Date: Tue, 15 Jan 2008 16:38:02 +0100
Hi Bill,
i verified using your tool that keyup and keydown events are posted. So
it has to be something different. Thank you anyway.
Regards
Frank
Bill Cheeseman wrote:
on 2008-01-15 8:13 AM, Frank Neumann at email@hidden wrote:
On the other hand in a standard cocoa text input area Voice Over speaks
(depending on its configuration) each typed character/word and selected
text. Through which API calls is this behaviour triggered?
At a guess: possibly the Quartz Event Taps API. See the Quartz Event Taps
Reference document for developer information. To play around with event
taps, download my free developer utility, PreFab Event Taps Testbench, at
<prefabsoftware.com/eventtapstestbench>. Event taps are a section 508
technology that supplements the Accessibility API.
I'm not sure about this, however. If your users change your text area by
typing on a keyboard, VoiceOver should already be picking up the keypresses
(if event taps is what VoiceOver uses). But if you're doing something
unusual when your users change your text area that somehow doesn't generate
key down and key up events, you could use event taps to post synthetic key
down and key up events and see if VoiceOver picks them up.
--
Bill Cheeseman - email@hidden
Quechee Software, Quechee, Vermont, USA
www.quecheesoftware.com
PreFab Software - www.prefabsoftware.com
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