Re: Trying to install kEventAppSystemUIModeChanged using NSAppleEventManager.

FROM : Jean-Daniel Dupas
DATE : Sun Jun 15 14:10:35 2008

Le 15 juin 08 à 13:25, Mohsan Khan a écrit :

> Hi
>
> I'm trying to to install kEventAppSystemUIModeChanged using 
> NSAppleEventManager, so that my app will know when the menubar & 
> dock is hidden i.e. some other app enters fullscreen mode.
>
> I've tried entering fullscreen mode using VLC and Photoshop.
>
> handleAppleEvent is never called because there is no log output.
>
> Maybe something is missing or the event is never installed, I have 
> no idéa anymore - so its time to ask around.
>
>
> - (void)handleAppleEvent: (NSAppleEventDescriptor *)event
>         withReplyEvent: (NSAppleEventDescriptor *)replyEvent;
> {
>     NSLog( @"handleAppleEvent called." );
> }
>
>
> - (void)applicationDidFinishLaunching: (NSNotification *)notification
> {
>     NSAppleEventManager *eventManager = [NSAppleEventManager 
> sharedAppleEventManager];
>     
>     [eventManager setEventHandler: self
>          andSelector: @selector( handleAppleEvent: withReplyEvent: )
>         forEventClass: kEventClassApplication
>         andEventID: (AEEventID)kEventAppSystemUIModeChanged];
> }
>
>
> Thanks.


kEventAppSystemUIModeChanged is a carbon event not an AppleEvent.
You have to use InstallApplicationEventHandler to handle this event.