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Re: Connecting file extensions to applications

From: Richard Frith-Macdonald
Subject: Re: Connecting file extensions to applications
Date: Wed, 13 Sep 2006 17:02:14 +0100

On 13 Sep 2006, at 16:43, Andreas Höschler wrote:

Hi all,

how can I make my app to start automatically and open a document file when I doubleclick on a file with a specific extension, e.g. *.project? I have a file CustomInfo.plist in the project directory and listed all document types.

It should be as simple as installing the app in one of the standard locations, then running make_services. I would assume GWorkspace honors the standard mechanism ... but just in case, you could try using gopen to open the file without having GWorkspace running/available.

NSWorkspace is supposed to setup a dictionary extPreferences in +initialize. This is done by reading the file .GNUstepExtPrefs. However, this file does not exist (is not created by make_services)!?

How is this supposed to work?

That dictionary is supposed to be used to specify user preferences for which application to use in the case that more than one application can handle the same type of document. It should be irrelevant if you haven't set up any preferences.

However, it occurs to me that, if you set up a preference to use one app, then deleted that app from the system, the code might try to continue using that app even though it no longer exists ... that might be worth looking in to.

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