[Interest] Getting QGraphicsView from within a mouse event

[Giuseppe D'Angelo]

Il 15/06/20 03:26, Nicholas Yue ha scritto:
> The return widget object does not have a viewport() method from looking 
> at the QWidget - docs <https://doc.qt.io/qt-5/qwidget.html>
> 
> void AttributeItem::mousePressEvent(QGraphicsSceneMouseEvent* event)
> {
>      if (event->button()==Qt::LeftButton)
>      {
>          QWidget *w = event->widget();
>      } else
>          QGraphicsItem::mousePressEvent(event);
> }

Sorry, what I meant is the other way around: the widget returned *is* 
the viewport() of your QGraphicsView. (So, typically, getting the parent 
widget of that widget will give you QGV you're looking for.)

HTH,

-- 
Giuseppe D'Angelo | giuseppe.dangelo at kdab.com | Senior Software Engineer
KDAB (France) S.A.S., a KDAB Group company
Tel. France +33 (0)4 90 84 08 53, http://www.kdab.com
KDAB - The Qt, C++ and OpenGL Experts

-------------- next part --------------
A non-text attachment was scrubbed...
Name: smime.p7s
Type: application/pkcs7-signature
Size: 4329 bytes
Desc: Firma crittografica S/MIME
URL: <http://lists.qt-project.org/pipermail/interest/attachments/20200615/c580f710/attachment.bin>