Hello. This is my first post to this list, so if there is another forum more suited, please let me know.
I'm writing a QT application that includes a viewer for 3D-models. I got the same code (with an ifdef for includes) running under both qt4 and qt5 in Linux. The program loads a model of about ~70k triangles and lets the user interact with it with the mouse. In Qt4 there is the feeling that the model immediately follows the mouse. But in Qt5 the feeling is that the mouse events are put into a queue and they continue being played back until the queue is empty, which can happen a few seconds after the user has stopped moving the mouse. I obviously much prefer the Qt4 behaviour, and I wonder if there is any way to coarse Qt5 to behave more like it? I have tried to block additional mouse events until paintGL is finished, but it didn't help. Is there an open bug about this? Will it help if I create a minimum program reproducing the problem? Here are my system info: System: Fedora 19, 32-bit glxinfo: OpenGL vendor string: Intel Open Source Technology Center OpenGL renderer string: Mesa DRI Intel(R) 965G OpenGL version string: 2.1 Mesa 10.1.5 OpenGL shading language version string: 1.20 Qt4: 4.8.6 (fedora provided package) Qt5: 5.3.2 (fedora provided package) Thank you very much in advance! Regards, Dov
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