[osg-users] CompositeViewer Bug with Scroll Events

[Robert Osfield]

Thanks Daniel, fix merged and will be part of 3.6.0 :-)

On 3 April 2018 at 16:16, Daniel Emminizer, Code 5773
<dan.emminizer at nrl.navy.mil> wrote:
> Hello,
>
> I've been working on testing the 3.6.0-rc3 OpenSceneGraph in an application that was previously using 3.4.1.  I found what I think is a bug with the GUIEventAdapter::SCROLL handling when using a CompositeViewer.  I also come with a potential fix.
>
> The symptom I'm seeing is that when I use CompositeViewer, I'm getting a SCROLL event in my GUIEventHandler, one for each view.  In 3.4.1 I was only getting it for the view under the mouse, same as clicks and other mouse operations.
>
> Looking at old 3.4.1 CompositeViewer, the SCROLL event is being sent by default to only the focus view.
>
> In the 3.6 CompositeViewer, the SCROLL event defaults to EVENT_FOR_ALL_VIEWS.  I think the focused view for SCROLL seems more correct.
>
>
> I am submitting a PR on the 3.6 branch for this.  I'm happy to redo the PR if I messed something up.  The PR is at:
>
> https://github.com/openscenegraph/OpenSceneGraph/pull/518
>
>
> Thanks,
>
>  - Dan
>
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