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Re: Open OtherApp just behind MyApp
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Re: Open OtherApp just behind MyApp


  • Subject: Re: Open OtherApp just behind MyApp
  • From: Ken Thomases <email@hidden>
  • Date: Wed, 4 Feb 2009 09:21:15 -0600

On Feb 4, 2009, at 8:02 AM, Yang Meyer wrote:

I want to open another application (say, Safari) in the "layer" just behind my application.

"Solution" 2:
[ws launchApplication:@"Safari"]; // opens Safari in front
[NSApp activateIgnoringOtherApps:YES]; // pushes my app in front, effectively right above Safari


Problem with solution 2: I must be doing it wrong, because my own application's window doesn't ever get its focus back and the GUI seems to hang.

I think that -activateIgnoringOtherApps: is being done "too soon". The NSApplicationDeactivatedEventType event is pending and hasn't had a chance to be processed, yet. So, you need to make arrangements to call -activateIgnoringOtherApps: after a short delay. You can use - performSelector:withObject:afterDelay:, but you can't use - activateIgnoringOtherApps: directly, because it doesn't have the required signature. So, you have to implement a simple trampoline method.


Cheers,
Ken

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