private void closeCallbacks() {
        cursorPosCallback.close();
        scrollCallback.close();
        mouseButtonCallback.close();
        context.removeWindowSizeListener(windowSizeListener);
    }
Send the input listener a special mouse-motion event with zero deltas in
order to initialize the listener's cursor position.
jme3-lwjgl3/src/main/java/com/jme3/input/lwjgl/GlfwMouseInput.java