[osg-users] Minor issue with GraphicsWindowWin32.cpp and mouse capture in 3.4.0

[Andrew Cunningham]

Hi,
Somewhere along the line since 3.0.1 the logic of 'mouse capture' changed to have the concept of it being possible to have multiple buttons 'captured' on button down. When the capture count goes to 0 on mouse up, the mouse is 'released'.

Unfortunately, this seems to cause problems with , say, Win32 pop-up/context menus as OSG is not 'releasing' the mouse to the pop-up menu. 

The 'fix' ( for me) was to revert to 3.0.1 behavior so that the ::ReleaseCapture() is always called on 'button-up'. Just a heads up for others...

Andrew

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http://forum.openscenegraph.org/viewtopic.php?p=70033#70033