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enable stack switching with present method screen in pyodide - #258
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This was referenced Oct 12, 2026
almarklein
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Oct 14, 2026
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several weeks of chasing, lead to this.
in order to use
run_sync, pyodide makes use of stack switching. Apparently it's not available inside a callback. So chaining the paint once a promise resolves works instead. Maybe has a bit of delay or overhead - but this is needed to get all the complex wgpu, pygfx and fpl stuff to work. (there is an alternative, which would be using bitmap present method).Large thanks to @pthom who let me know their solution: pthom/imgui_bundle@7c30e58 which I have based the proposed fix on.
before:
after:
demo of using right click menu in fpl (which would not work earlier):
fpl_rightclick.mp4