From kde-pim  Wed Aug 24 23:20:08 2005
From: Ingo =?iso-8859-1?q?Kl=F6cker?= <kloecker () kde ! org>
Date: Wed, 24 Aug 2005 23:20:08 +0000
To: kde-pim
Subject: Re: [Kde-pim] kmail separate reader window having previous/next
Message-Id: <200508250120.10108 () erwin ! ingo-kloecker ! de>
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On Wednesday 24 August 2005 11:04, martin.p.bradley@bt.com wrote:
> In kmail mail can be opened in a separate window whenever it is
> double clicked.  I want to add two new buttons to the toolbar of the
> separate reader window.  These buttons are to change the contents of
> the separate window to the next/previous email in the current list of
> messages in the main window.  This feature has been on the wish list
> for a long time.
>
>
> So far I have added one new button to the tool bar.  It can be added
> to using the usual configure toolbar dialogue.  The button is
> connected to a slot in kmreaderwin.cpp called void
> KMReaderWin::moveToNextMessage().
>
> void KMReaderWin::moveToNextMessage() uses
> kmkernel->getKMMainWidget() to get mainWidget, a pointer to the main
> widget.  "mainWidget->headers() const" will give me a pointer to the
> header.

This can't work correctly from the separate reader window because the=20
user might have switched to another folder in the meantime. Fixing this=20
problem is extremely hard because of all the sorting and threading that=20
happens in kmheaders. You would have to create a fake kmheaders object=20
for each separate message window. Obviously this sucks. When switching=20
to KDE 4 this might become feasible by separating model and view, but=20
currently I don't see a nice way to implement this feature.

I won't comment on the rest of the message because your approach is=20
unfortunately fundamentally flawed.

Regards,
Ingo

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