drawing in Qt3 seems to have become incredible slow :-(
alexander.neundorf at gmx.net
Sat Aug 10 13:34:29 BST 2002
On Saturday 10 August 2002 11:14, Klas Kalass wrote:
> Am Samstag, 10. August 2002 11:41 schrieb Alexander Neundorf:
> > Hi,
> > I just compared an old Qt1 app with a Qt3 app.
> > The Qt 1 app has a dialog with 28 widgets, the Qt 3 app approx. the same
> > number.
> > If the Qt1 app window becomes visible (if it was hidden behind another
> > window), it is *immediately* ready, I don't see the redrawing.
> > Now the same for the Qt3 (KDE3) dialog: at first the formerly hidden part
> > is drawn in the background color (immediately), and after a moment of
> > "thinking" the widgets are drawn, beginning at the bottom of the dialog
> > up to the top of the dialog. I.e. I can recognize which widgets are drawn
> > first and which are drawn last.
> > A K6/200 should be able to redraw windows immediately, so Qt3 is
> > incredibly slow :-(
> Which widget style?
High color default (i.e. not keramik).
Changing to Qt Motif doesn't change anything (except that it doesn't look so
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