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List:       kde-devel
Subject:    Re: why doesn't this code paint on screen like it should?
From:       Mathias Homann <Mathias.Homann () eregion ! de>
Date:       2004-09-26 9:53:29
Message-ID: 200409261153.31410.Mathias.Homann () eregion ! de
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Am Sonntag, 26. September 2004 10:56 schrieb André Somers:
> On Sunday 26 September 2004 10:44, Mathias Homann wrote:
> > i can't see why this code doesnt draw in my window...
>
> Your basic problem is that you are painting on whatever kannasaver
> is, and not on the widget you create in the first line of code. On
> top of that, since the widget will handle it's own drawing, it will
> immediatly or at least very soon erase whatever you are drawing on
> it. In order to draw custom stuff on your widget, you need to
> reimplement it's ::repaint method. In that method, you first let
> the widget do it's own drawing (by simply calling the ancestors
> ::repaint method), and then draw your stuff on top of that.
>
> By the way, it is more of a Qt than a KDE programming problem.
> Maybe qt-interest@trolltech.com is the better mailinglist to use.


then, how do i just paint (draw text) on that window? its going to be 
a screensaver...

bye,
	MH

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