From kde-frameworks-devel  Tue Jan 07 22:28:54 2014
From: Albert Astals Cid <aacid () kde ! org>
Date: Tue, 07 Jan 2014 22:28:54 +0000
To: kde-frameworks-devel
Subject: Re: KDE Frameworks: Moving toward 5.0 final and Governance
Message-Id: <2019233.qL0SLacHXK () xps>
X-MARC-Message: https://marc.info/?l=kde-frameworks-devel&m=138913377016166

El Dimarts, 7 de gener de 2014, a les 23:10:11, John Layt va escriure:
> On 7 January 2014 19:55, Albert Astals Cid <aacid@kde.org> wrote:
> > El Dimarts, 7 de gener de 2014, a les 18:24:41, Alex Merry va escriure:
> >> On 07/01/14 17:10, John Layt wrote:
> >> > I've put myself down (rather obviously) for KPrintUtils.  Most of the
> >> > dialog code from there has been merged into Qt5.2, or is planned for
> >> > Qt 5.3, so needs deleting.  I'm also wondering if we still need our
> >> > own KPrintPreview dialog, there was a reason in 4.0 but I can't
> >> > remember why now and I'm not sure it is still valid.  Alex Merry might
> >> > remember, was it because QPrintPreview wasn't available at the time?
> >> > We may not end up with much left here :-)
> >> 
> >> I don't remember, but looking at email archives and Qt docs, it looks
> >> like that probably was the reason; I think we started KDE4 depending on
> >> Qt 4.3, and QPrintPreview was added in 4.4.
> > 
> > And the underlying tech is totally different too, KPrintPreview prints to
> > pdf and then shows the preview in an okular part while QPrintPreview does
> > a totally different thing.
> 
> I've mostly avoided looking at QPrintPreviewDialog so far (bad
> maintainer!), but it is basically another paint device you paint to
> when requested, using exactly the same painting code as you would for
> normal printing, or printing the preview to PDF.  In theory it should
> be better than KPrintPreview as it only asks you to render the pages
> it needs as it needs them, rather than pre-rendering the whole
> document like KPrintPreview does, and it doesn't need the Okular KPart
> installed to work either.  I think some apps like Calligra already
> prefer to use it for those reasons (that and zander being the original
> author).  It wouldn't work for use inside Okular though, but then it
> always seems a little weird to do a print preview in Okular to just
> get an Okular window again :-)

Okular does not use KPrintPreview anyway ;-)

Cheers,
  Albert

> 
> I'll do a more in-depth investigation and come back to the list to
> make a decision.
> 
> John.
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