[Bug 131507] Changing between big maildirs with many unread folders is slow

[David Jander]

https://bugs.kde.org/show_bug.cgi?id=131507


David Jander <djander at gmail.com> changed:

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                 CC|                            |djander at gmail.com




--- Comment #17 from David Jander <djander gmail com>  2010-08-20 09:30:59 ---
I can confirm this problem is still there in kde-4.3.2.
Opening an IMAP folder (local net) with 35000 messages where most of them are
unread in the "Threaded date view" mode takes 2 minutes reorganizing the
message list each time before I can scroll somewhere and actually use the
folder.
This bug has been with us for so long now, any chance this will be fixed one
day? It is one of the primary reasons kmail is mostly unusable with large
folders in thread mode, isn't this supposed to be bad enough for kmail
developers to really worry?
I realize this fix isn't trivial, but if QT is at fault, what about trying to
fix Qt or at least implement a work-around for this problem? IMHO, not using
threaded view in large mailing-lists is not very useful!
In the worst case, it Qt's tree widget is not scalable for such use-cases,
maybe KDE needs an alternative widget for tree-lists?
Come on, it has been 7 years now! Please start doing something!

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