When the child widget completely fills a parent widget the QPaintEvent is no
longer send to the parent. If you have something like this:
connect( &timer, SIGNAL(timeout()),myParent, SLOT(update()) );
virtual void MyParent::paintEvent(QPaintEvent* event)
{
osgViewer->frame();
}
... the frame will never be called.
Robbert Milharcic
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of jamie robertson
Sent: Wednesday, August 31, 2011 12:00 AM
To: [email protected]
Subject: [osg-users] (Qt) single GraphicsWindowQt completely filling parent
widget
Hi,
For some reason I'm struggling to get a GraphicsWindowQt (GraphicsWindowQt
::getGLWidget) to completely fill a parent widget. I've tried various ways and
always seem to fail (the GraphicsWindowQt isnt displayed) unless there is a non
zero margin on a layout, in which case it works as expected.
It's the same for setting the mainwidget of a qmainwindow, it doesnt appear
unless I set a non zero margin.
I can simply reproduce the problem in the osgviewerqt example with the
following modification:
Code:
QGridLayout* grid = new QGridLayout;
grid->setSpacing(0);
grid->setMargin(0);
Setting either the margin or spacing to something other than zero displays the
viewers ok.
Anyone encountered this before?
Im using osg 3.0.1, windows7.
Thanks,
Jamie Robertson[/code]
------------------
Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=42314#42314
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