[Bug 163257] Moving windows with pager active use a lot of CPU

[Aaron J.Seigo]

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http://bugs.kde.org/show_bug.cgi?id=163257         




------- Additional Comments From aseigo kde org  2008-06-06 00:18 -------
.5s makes it look completely jumpy, as if it can't keep up for some reason. not good.

> is there a wai to repaint only a piece without having the rest erased

void QGraphicsItem::update ( const QRectF & rect = QRectF() )

which implies doing some bookkeeping in pager to tell which desktop needs repainting.

the Easy(tm) way is to make each desktop a separate QGraphicsItem, really.