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List:       kde-devel
Subject:    Re: Multithreaded application development
From:       Carsten Pfeiffer <carpdjih () cetus ! zrz ! tu-berlin ! de>
Date:       2001-06-18 0:57:51
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On Sonntag, 17. Juni 2001 17:05 David Faure wrote:

> It might be better so simply use KFileViews (from the file dialog)
> together with a preview job (not sure, I have never used a kfileview,
> but Carsten will speak up hopefullly :)

I do :) Actually, I have a KFileIconView with builtin preview support already 
here, but didn't commit it due to the freeze. Works just perfectly for me, 
tho.

Basically, you want to start loading the thumbnails after the directory has 
been read. There's a signal KDirOperator::finishedLoading() which tells you 
about that. The default views (e.g. KFileIconView) in libkfile don't know 
about the diroperator and therefore don't get notified about that signal, so 
I simply start a single-shot timer in KFileIconView::insertItem() and start 
loading the thumbnails when the timer fires.

I also added a lot of API docu for KDirOperator, KFileViews etc. for 2.2 
(check webcvs.kde.org if you don't use cvs or cvsup).

I'll add a some new virtual methods to KFileView for 3.0, one for 
finishedLoading for eaxmple, so the timer won't be necessary.

Cheers,
Carsten Pfeiffer
 
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