Hello!
I'm currently working on embedding an osgViewer into a QWidget (using Qt).
We've historically done this using QGLWidget and the EmbeddedGraphicsWindow,
letting Qt manage the OpenGL contexts. I'd like to move away from using
QGLWidget and using contexts managed by OSG. I've accomplished this on windows
but am running into issues on Linux. I'm creating the window as follows:
Code:
#include <QWidget>
#ifdef WIN32
#include <osgViewer/api/Win32/GraphicsWindowWin32>
#define OSG_PLATFORM_WINDOW osgViewer::GraphicsWindowWin32
#define WINDOW_HANDLE HWND
#else
#include <osgViewer/api/X11/GraphicsWindowX11>
#define OSG_PLATFORM_WINDOW osgViewer::GraphicsWindowX11
#define WINDOW_HANDLE Window
#endif
osg::GraphicsContext::Traits* createWindowTraits(QWidget* OwningWidget)
{
auto traits = new osg::GraphicsContext::Traits();
traits->x = 0;
traits->y = 0;
traits->width = 1080;
traits->height = 720;
traits->doubleBuffer = true;
traits->useCursor = true;
//traits->installEventHandler = true;
if (OwningWidget)
{
OSG_PLATFORM_WINDOW::WindowData* data = new
OSG_PLATFORM_WINDOW::WindowData((WINDOW_HANDLE)OwningWidget->winId());
traits->inheritedWindowData = data;
}
return traits;
}
---- and then in my class derived from Viewer with the traits created above ----
Code:
getCamera()->setGraphicsContext(osg::GraphicsContext::createGraphicsContext(traits));
Everything is working as expected on Windows. The problem I'm having is that
on Linux (RHEL7), my event handlers never get any mouse/keyboard events. I'm
unclear whether QWidget's X11 implementation for the owning widget is eating my
events, or if the inherited window implementation of the GraphicsWindowX11 has
a bug. The resize events I'm passing from QWidget's resize and pushing to my
viewers event queue are effective so my window is successfully embedded in the
correct widget and rendering properly. Just events aren't working.
Any suggestions?
Thanks!
Eric
------------------
Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=75893#75893
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