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Re: Question about background items in a nautilus-menu-provider extensio

Subject: Re: Question about background items in a nautilus-menu-provider extension
From: Colomban Wendling
Date: Wed, 24 Feb 2010 17:51:16 +0100

Alexander Larsson a Ãcrit :
> On Wed, 2010-02-24 at 00:06 +0100, Colomban Wendling wrote:
>> But with background items, it doesn't seems to be that simple: the
>> NautilusFileInfo I have attached to the menu item is NULL. After a
>> little time at tracking the problem, I finally saw that
>> get_background_items() is called more than once for a single
>> directory,
>> and that the passed NautilusFileInfo is not NULL only once; And the
>> time
>> it is set is not the one that generates the item that Nautilus
>> actually use.
>> Then my questions:
>> Is this indented (and if yes, why?) or is it a subtle bug somewhere?
>> How extensions are supposed to handle this?
> That does indeed seem weird. I'd say its a bug of some sort. Which of
> the calls has a non-NULL FileInfo, the last one?

Hum, shame on me, forget that. To be sure of the response to give you, I
tried to reproduce it; and I found why I thought it was happening.
I have an item I want to appear both in background items and files ones,
and I have therefore written a thin wrapper that builds the item with
the right label, icon, etc. But I didn't thought Nautilus caches the
menu item *by its name*, and then my file item overwritten the
background one.
And since when bg menu is created/appears no files are selected, my bg
item was overwritten with the empty file one...

Perhaps the doc should make clear that the name is a unique identifier
for all Nautilus menus? But well, perhaps it's just me that is quite
stupid at this point.

So again, sorry for the noise, and thanks for the help!

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