Re: Writing a preference pane that configures hotkeys?

FROM : Jens Alfke
DATE : Mon Mar 24 06:46:27 2008

On 23 Mar '08, at 7:26 PM, Brian Kendall wrote:
> I'm trying to write a preference pane that allows the user to 
> specify a hotkey.


Take a look at Nathan Day's "NDHotKeyEvent" utility code:
   http://homepage.mac.com/nathan_day/pages/source.xml
The description is:
> This is a class for providing access to carbon hot keys from Cocoa, 
> as well as acting as instances that represent particular hot key 
> combinations, the class object provides some methods for managing 
> all of the hot keys created with NDHotKeyEvent.
>
> NDHotKeyEvent can send messages from both key down events and key up 
> events and there is also a informal protocol to notify the target 
> class when the NDHotKeyEvent instance is going to change target.
>
> The NDHotKeyEvent project also comes with a class called 
> NDHotKeyControl which can be used for obtaining hot key combinations 
> from the user.
>


It sounds like NDHotKeyControl is what you want for the configuration 
UI in your pref-pane.
(I haven't used any of this code; I just happened to bookmark it a few 
days ago.)

—Jens