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Re: [Discuss-gnuradio] QT GUI Flicker

From: Ren Lie
Subject: Re: [Discuss-gnuradio] QT GUI Flicker
Date: Tue, 12 Feb 2019 19:08:40 +0800

I appreciate your message, but when I edit the exist file ~/.gnuradio/grc.conf this error is still here.

What am I wrong?



Ren Lie

Michael Dickens <address@hidden> 於 2019年2月11日 下午10:44 寫道:

Hi Ren - See < https://lists.gnu.org/archive/html/discuss-gnuradio/2018-10/msg00086.html >
The primary point of issue that I know of is that the default PyQt4 Qt4
rendering configuration is "raster", which for some reason results in the GUI
window flashing a lot & sometimes being unresponsive. The solution is to create
or edit the file `~/.gnuradio/config.conf` and add (or tweak) the following:
style = native
or use `opengl` if that works. The default is "raster", which is the fastest
and, generally, the most compatible, but for some reason this setting is borked
on macOS Mojave 10.14. For me, "native" works but "opengl" doesn't. No idea why
& it's not worth my time tracking down the issue since we're moving to Qt5 in
the 3.8 release -- and thus away from Qt4 except for legacy support -- and Qt5
should provide between rendering compatibility for OSX (both newer and older).

On Sun, Feb 10, 2019, at 11:16 PM, Ren Lie wrote:
Hi, I get some trouble with QT GUI Flicker.

Did anyone know how to fix it?

I installed gnuradio from the MacPorts and run it in MacOS Mojave 10.14.2 .

This version is gnuradio @ +docs+grc+jack+log4cpp+logging+portaudio+qtgui+sdl+swig+uhd+wavelet+wxgui+zeromq

QT GUI Flicker : https://imgur.com/a/Ilomw47

Btw, the fuzzy text makes me annoying.


Ren Lie

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