FGFS-4.1/OpenSceneGraph
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Introduced new scheme for handling mouse events with osgViewer. The new scheme enables robust event handling even when using distortion correction render to texture Cameras.

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Robert Osfield
2013-05-03 19:26:27 +00:00
parent 63088ab63e
commit 668d351765
36 changed files with 1116 additions and 698 deletions
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9
src/osgWidget/ViewerEventHandlers.cpp
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@@ -21,7 +21,14 @@ bool MouseHandler::handle(
// If we're scrolling, we need to inform the WindowManager of that.
_wm->setScrollingMotion(gea.getScrollingMotion());
return (this->*ma)(gea.getX(), gea.getY(), gea.getButton());
// osgWidget assumes origin is bottom left of window so make sure mouse coordinate are increaseing y upwards and are scaled to window size.
float x = (gea.getX()-gea.getXmin())/(gea.getXmax()-gea.getXmin())*static_cast<float>(gea.getWindowWidth());
float y = (gea.getY()-gea.getYmin())/(gea.getYmax()-gea.getYmin())*static_cast<float>(gea.getWindowHeight());
if (gea.getMouseYOrientation()==osgGA::GUIEventAdapter::Y_INCREASING_DOWNWARDS) y = static_cast<float>(gea.getWindowHeight())-y;
//OSG_NOTICE<<"MouseHandler(x="<<x<<", y="<<y<<")"<<std::endl;
return (this->*ma)(x, y, gea.getButton());
}
return false;