> Thanks for the info - this workaround resolved my issue. Now it works
> and looks great.
Ok, great :)
> Does it mean that the glfw version can be used without gr-qtgui or gr-wxgui?
Yes. There is a standalone block that will just create it's own
separate window for display.
Also, I didn't mention it but all 3 versions have keyboard control
with the arrow to change the db/div and the reference level. (for the
Qt / Wx version, the widget needs the focus so you might need to click
on it first).
Cheers,
Sylvain
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