Hi Alexander,

What I have done is made all the protected methods virtual to allow users
to customize whatever parts they want to.  An update to svn/trunk will get
this change.

Cheers,
Robert.


On 21 January 2014 11:37, Alexander Sinditskiy <[email protected]>wrote:

> Hello Robert,
>
> You are right, It is not safe, we should not use my changes, because it
> changes behavior.
>
> You also right changing
> GraphicsWindowWin32::determineWindowPositionAndStyle(..) to virtual solve
> this issue. I will be able to override this function and change default
> styles.
>
> Alexander
>
>
>
> 2014/1/21 Robert Osfield <[email protected]>
>
>> Hi Alexandre,
>>
>> I haven't used Windows for over a decade so can't help on the Windows
>> specifics like this so will have to defer to other Widows developers for
>> guidance on how to resolve these issue.  I don't feel just changing the
>> default style settings is going to be safe without widespread testing.
>>
>> My inclination would be to expose these settings in a way that users can
>> set them to what they want, either my subclassing from GraphicsWindowWin32
>> or by us introducing extra options to pass in with the
>> GraphicsConext::Traits object.   For instance we could make
>> GraphicsWindowWin32::determineWindowPositionAndStyle(..) a virtual method,
>> the same could be done for the other methods that go to create the window.
>>
>> Thoughts?
>> Robert.
>>
>>
>> On 28 November 2013 15:15, Alexander Sinditskiy 
>> <[email protected]>wrote:
>>
>>> Hello all.
>>>
>>> I have nvidia card, windows 7 sp1.
>>>
>>> My app is annoying blinking when I am trying to work with fullscreen
>>> multidisplay setup.
>>> To reproduce this issue you need just create empty viewer and click on
>>> screens.
>>>
>>> You can see my issue on the video:
>>>
>>> http://www.youtube.com/watch?v=WbHJznlhMio - record using camera
>>> http://www.youtube.com/watch?v=R1EVZ_nbRcY - record using screen capture
>>>
>>> I tested it on lot of nvidia cards, I can reproduce it with every nvidia
>>> card.
>>>
>>> I think "Windows" is trying to enable some mode on right screen and it
>>> causes blinking. Also I unable to grab right screen by camstasia.
>>>
>>> I found that It caused by WS_POPUP flag on windows creation.
>>> (src/osgViewer/GraphicsWindowWin32.cpp)
>>> Also you can check that fullscreen Firefox does not have this flag and
>>> works perfectly.
>>>
>>> But If I disable this flag I have another issue. Initially created osg
>>> window have WS_EX_WINDOWEDGE flag even when I pass 0 as flags. (disable
>>> everything).
>>> It is really strange behavior of CreateWindowEx function.
>>>
>>> It can be fixed by setting flags again, but my question is why did it
>>> happen?
>>>
>>> Also my changes affect on behavior of fullscreen osg window.
>>> Before it was osg window is HWND_TOPMOST.(no window on top osg). And It
>>> is HWND_TOP with my changes (other windows can be on top osg window).
>>>
>>> May be I need to do this configurable, but I don't know.
>>>
>>> _______________________________________________
>>> osg-submissions mailing list
>>> [email protected]
>>>
>>> http://lists.openscenegraph.org/listinfo.cgi/osg-submissions-openscenegraph.org
>>>
>>>
>>
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