Toggling dark/light GUI mode / changing matplotlib style

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Hello

I am working on a program that uses a wx panel with a matplotlib 
figure. If the user toggles the GUI environment from light to dark mode 
(or vice versa), the GUI elements provided by wx will follow the change 
nicely, but the matplotlib figure will not. I am using the 'default' 
plot styles for matplotlib when my program detects the "light" GUI 
setting during startup, while the 'dark_background' style is used if 
the "dark" setting is detected at startup (like this: 
<https://matplotlib.org/3.1.0/gallery/style_sheets/dark_background.html> 
).

While setting the correct matplotlib style works fine at startup, 
things get more difficult if I am trying to change the style after the 
user toggles the "light" / "dark" mode. I worked out how the the change 
can be detected in a handler for the wx.EVT_PAINT event. However, once 
the GUI style change is detected, matplotlib does not seem to allow 
applying a different matplotlib style to the existing plot panel. It 
looks like the whole matplotlib figure would need to be re-created from 
scratch in order to apply the correct plot style. However, this is not 
(easily) possible in my application.

I'd appreciate any pointers or suggestions on how to deal with "light" 
/ "dark" mode changes in wx/matplotlib panels.

Matthias

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<div id=3D"geary-body" dir=3D"auto"><div>Hello</div><div><br></div><div>I a=
m working on a program that uses a wx panel with a matplotlib figure. If th=
e user toggles the GUI environment from light to dark mode (or vice versa),=
 the GUI elements provided by wx will follow the change nicely, but the mat=
plotlib figure will not. I am using the 'default' plot styles for matplotli=
b when my program detects the "light" GUI setting during startup, while the=
 'dark_background' style is used if the "dark" setting is detected at start=
up (like this:&nbsp;<a href=3D"https://matplotlib.org/3.1.0/gallery/style_s=
heets/dark_background.html">https://matplotlib.org/3.1.0/gallery/style_shee=
ts/dark_background.html</a> ).</div><div><br></div><div>While setting the c=
orrect matplotlib style works fine at startup, things get more difficult if=
 I am trying to change the style after the user toggles the "light" / "dark=
" mode. I worked out how the the change can be detected in a handler for th=
e wx.EVT_PAINT event. However, once the GUI style change is detected, matpl=
otlib does not seem to allow applying a different matplotlib style to the e=
xisting plot panel. It looks like the whole matplotlib figure would need to=
 be re-created from scratch in order to apply the correct plot style. Howev=
er, this is not (easily) possible in my application.</div><div><br></div><d=
iv>I'd appreciate any pointers or suggestions on how to deal with "light" /=
 "dark" mode changes in wx/matplotlib panels.</div><div><br></div><div>Matt=
hias</div></div>

<p></p>

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