Dear Koen,
thank you for your reply, but it does not work. It works only, if I call
the setWidth() method of WScrollArea. See the code below.
Regards,
Gabor
class MyPaintedWidget : public WPaintedWidget {
public:
MyPaintedWidget( WContainerWidget *parent = 0 ) :
WPaintedWidget(parent) {
w=2000;
h=100;
resize(w,h);
}
protected:
void paintEvent(WPaintDevice *paintDevice) {
WPainter painter(paintDevice);
painter.fillRect(0,0,w,h,WBrush(white));
painter.drawLine(0,0,w,h);
}
private:
double w,h;
};
class MyApplication : public WApplication {
public:
MyApplication(const WEnvironment& environment) :
WApplication(environment) {
WContainerWidget *w = new WContainerWidget();
w->setLayout( new WHBoxLayout() );
WScrollArea *a = new WScrollArea();
a->setWidth(WLength("500px"));
MyPaintedWidget *p = new MyPaintedWidget();
a->setWidget( p );
w->layout()->addWidget( a );
root()->addWidget( w );
}
};
On Tue, 2011-06-21 at 17:11 +0200, Koen Deforche wrote:
> Hey,
>
> 2011/6/21 tusi <[email protected]>:
> > Hi All,
> >
> > I would like to draw something on WPaintedWidget, which size is larger
> > than the client (browser) size. Therefore, I put it into a WScrollArea,
> > but I could not set the width of the scroll area correctly, e.g. to the
> > width of the client, because using "100%" sets the width of the scroll
> > area as large as is the width of the inner WPaintedWidget and not the
> > size of the client width. How can I set the width of a WScrollArea
> > exactly the same as the width of the client?
>
> That is what a layout manager will do for you: put the WScrollArea in
> a layout manager (e.g. WVBoxLayout).
>
> Regards,
> koen
>
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