[vtkusers] QVTKWidget + Dock/Undocking + MAC OS

rakesh patil prakeshofficial at gmail.com
Wed Feb 17 12:22:04 EST 2016


You mean to say, vtk 6.3 + Qt 4.8.6 works fine. ? There won't be any
flickering hapenning on MAC. ?

On Wednesday, February 17, 2016, Fetzer, Andreas <
a.fetzer at dkfz-heidelberg.de> wrote:

> Hi,
> we are facing a similar problem on Mac OS X 10.9+ with VTK 6.2 and Qt 5.x.
> (Strangely with Qt 4.8.6 everything works fine)
> We write our own Plugins that add new GUI components to our Application.
> If we add a QVTKWidget to a plugin, all it's widgets do not react to mouse
> clicks anymore.
> This happens even if we just instantiate the QVTKWidget without adding it
> to the plugin.
> Currently we suspect that the QVTKWidget or VTKInteractors consume some Qt
> events
> or do not forward these events. But we do not have a solution yet.
> We would be glad about any hints.
> Best regards,
> Andreas
> Von: vtkusers <vtkusers-bounces at vtk.org <javascript:;><mailto:
> vtkusers-bounces at vtk.org <javascript:;>>> on behalf of rakesh patil <
> prakeshofficial at gmail.com <javascript:;><mailto:prakeshofficial at gmail.com
> <javascript:;>>>
> Datum: Tuesday 16 February 2016 17:33
> An: VTK Users <vtkusers at vtk.org <javascript:;><mailto:vtkusers at vtk.org
> <javascript:;>>>
> Betreff: Re: [vtkusers] QVTKWidget + Dock/Undocking + MAC OS
> Hi,
> Since, I got no reply for this, I have prepared a small test case. It is a
> dock/undock example from Qt and I have just added QVTKWidget to it. Atleast
> the flickering should be disabled somehow. Can some experts help me?
> I am using Qt 5.5 and vtk 6.3. This happens only on MAC (tested on OS X
> Yosemite & OS X El Capitan).
> On Sun, Feb 7, 2016 at 8:17 PM, rakesh patil <prakeshofficial at gmail.com
> <javascript:;><mailto:prakeshofficial at gmail.com <javascript:;>>> wrote:
> Hello,
> I am facing a very strange issue with Dock/Undocking when one of the
> docked widget is QVTKWidget. I have a centralWidget which contains four
> tabs. Each tab is an inherited from QWidget. Among these, one widget is
> QVTKWidget. The issue what I am facing is when I click on the bar and try
> to undock, the mouse events are lost. I release the mouse button and move
> the mouse, QVTKWidget keeps moving along with the mouse. I need to click
> once again on the tab and then it gets undocked fully. Some times while
> undocking or docking, I observed flickering effect on the renderwindow.
> It gives feeling like QDockWidget is passing some information/signal to
> its widgets, which QVTKWidget is not able to process, and other QWidgets
> are able to process. Has anyone come across this type of scenario?
> Thanks in advance
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