Re: [Qt 4.1-rc1] Drawing pixmap onto QScrollArea

[Paul Miller]

Falko Buttler wrote:
> Paul Miller schrieb:
>
> > Falko Buttler wrote:
> >
> > > I have found out, that it is impossible with Qt 4.1.0-rc1 to draw 
> > > pixmaps onto a QScrollarea. In the paintEvent-method I am drawing a 
> > > little pixmap onto the area but it is not visible. With Qt 4.0.1 this 
> > > works fine. If I change the inheritted class from QScrollbar to 
> > > QFrame the pixmap is drawn!
> >
> > Are you setting the contents size?
> I only use the drawPixmap function with parameters x, y, width and heigth.

You need to set the contentsSize of the QScrollArea - otherwise it 
doesn't know how big your scrollable region is. If the contents size 
defaults to 0,0 (I don't know what the default is), then it wouldn't 
show anything.

>


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Paul Miller | paul@xxxxxxxxxx | www.fxtech.com | Got Tivo?