[sugar] Activity launching changes

Bert Freudenberg bert
Mon Oct 8 09:41:25 EDT 2007

On Oct 8, 2007, at 15:34 , Marco Pesenti Gritti wrote:

> To facilitate integration with Rainbow, I refactored activity
> launching a bit, to get rid of the factory service. This also makes
> much easier the porting of existing applications.
> What you specify on the Exec property of activity.info is now the
> command used to spawn a new instance of the activity. The
> SUGAR_ACTIVITY_BUNDLE environment variable points to the bundle path.
> The Class property is deprecated but will continue to work (it should
> be replaced with "Exec = sugar-activity $Class").
> See the bundle spec for the parameters the executable should support:
> http://wiki.laptop.org/go/Activity_bundles
> Every activity instance is by default runned in a new process now. I
> know of only two cases that cannot work with multiple processes, Etoys
> and the Web activity.
> For web activity we can just use the -s option of sugar-activity. When
> a second instance starts it will check if the service name is already
> owned and in that case request to the already running instance to
> spawn a new window, and exit. (This is also how single process usually
> works for GNOME applications).
> Etoys presumably can deal with this using an internal mechanism?

No idea, I did not quite get how the new regime works. Could you  
please explain it at


- Bert -

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