Re: BonoboPreview initiative

[Bill Haneman <bill haneman sun com>]

"Dirk-Jan C. Binnema" wrote:
> 
> Op zo 09-12-2001, om 11:53 schreef ERDI Gergo:
> > On 9 Dec 2001, Chris Phelps wrote:
> >
> > > With bonobo, we have the perfect mechanism for incorporating this
> > > feature into future GNOME file selection widgets, and as I am currently
> > > writing one, I felt that I should take this opportunity to get some
> > > input on this idea.
> >
> > [CC'ing gnome-components-list]
> >
> > I'd do it by first resolving the URI moniker for Bonobo::PersistStream,
> > and then saving it to some special MIME type, like
> > application/x-bonobo-preview, which would be a PNG file of a given size.
> 
> I'm not sure how you would create a graphical preview of, say, a
> Gnumeric spreadsheet using PersistStream.
> 
> Wouldn't it be nicer to have the host app for the document expose a
> PreviewControl interface (using a moniker). Thus, the host app has
> responsibility for the preview. For apps that don't support the
> interface, there could be a fallback mechanism.
> 
> Also note that for a lot of doc types a picture is not necessarily the
> best preview; the subject, author, language, word count, revision may be
> more useful. A couple of words may say more than a picture...
> 
> --Dirk-Jan.

Also bear in mind that this method of presentation is inaccessible.

If you want to preview a doc you need a lot more than a pixmap, you
should provide at least a textual element as well (something that can be
exported via AtkObject::name and AtkObject::description at least).

-Bill

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> Dirk-Jan Binnema, djcb djcbsoftware nl, www.djcbsoftware.nl
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