QGraphicsScene - zoom "fit" - scene->setSceneRect

Hello,

I've done a little Qt application with a QGraphicsScene in which I display 2 QWebView widgets.
There is 2 buttons (next and previous) to display 1 webview at a time (in fact its associated QGraphicsProxyWidget)
or the other one (with a QVariantAnimation that allows rotating QProxyWidgets around Y-axis).
it is a kind of panel that turns around its Y-axis.

Code is sometimes easier to understand so...
Attachment 8339

My problem is that I would like to have my QProxyWidget fills the QGraphicsView (zoom fit with - keep width/height ratio)

I probably don't understand something...

I tried to change the scene properties with

Code:

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scene->setSceneRect(proxy2->geometry().x(), proxy2->geometry().y(), proxy2->geometry().width(),  proxy2->geometry().height());

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but it doesn't work as expected (there is a lot of empty space around the QGraphicsProxyWidget

Code:

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scene = new QGraphicsScene;
 
QWebView *web;
web = new QWebView();
web->load(QUrl("http://news.google.fr"));
web->show();
 
QWebView *web2;
web2 = new QWebView();
web2->load(QUrl("http://www.google.com"));
web2->show();
 
proxy = new QGraphicsProxyWidget();
proxy->setWidget(web);
 
proxy2 = new QGraphicsProxyWidget();
proxy2->setWidget(web2);
 
scene->setSceneRect(proxy2->geometry().x(), proxy2->geometry().y(), proxy2->geometry().width(),  proxy2->geometry().height());
 
ui->graphicsView->setScene(scene);
ui->graphicsView->show();

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Any help is welcome because... I haven't the finest idea to fix this problem !


Kind regards

Sébastien