[Qt-jambi-interest] a problem about QGraphicsTextItem----help

[Gunnar Sletta]

?? wrote:
> QGraphicsView gv=new QGraphicsView();
> QGraphicsScene gs=new QGraphicsScene();
> QGraphicsTextItem textitem=new QGraphicsTextItem();
> textitem.setDocument(ui.textEdit.document());
> gs.addItem(textitem);   
> gv=new QGraphicsView(gs);
> gv.show();
> ***********************************************code 
> above***************************************
>  
>  
> I want use this to view the rich text in the "ui.textEdit", but the 
> QGraphicsView doesn't show the QGraphicsTextItem with the QTextDocument.
> What's wrong with it?
>  
> And after that, I tried to change the 
> "textitem.setDocument(ui.textEdit.document());" into 
> "textitem.setHtml(ui.textEdit.toHtml());" and then it really works well 
> without problem.
>  
> I need the setDocument function to archive my rich text (including 
> images) viewer in my project.
> Please help me.
> Thanks a lot in deed.

Hi,

It seems the document is not valid until you either force do a layout on 
it using adjustSize() or until the QTextEdit is shown. If you do either 
the above should work.

best regards,
Gunnar