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[fltk.general] Re: Strange Fl::screen_... results in 1.4

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Re: Strange Fl::screen_... results in 1.4 Ian MacArthur Nov 29, 2022  
 
On Tuesday, 29 November 2022 at 07:22:02 UTC Tigercat wrote:

Unless you have any quick idea of what's going on, I can try to git-bisect the issue back to where it began.

If I were to guess (and it is only guess) then I'd suggest that this is some Wayland vs X11 issue. A way to try this would be to explicitly set "OPTION_USE_WAYLAND=NO" (for a cmake build) or "--disable-wayland" for a configure build and then see if the problem disappears. That would then force the build to be X11 only at compile, as it was in the "legacy" builds, rather than having the option set at runtime.

Or, could try setting the FLTK environment variable FLTK_BACKEND (though TBH I can't remember the valid values...) or perhaps even just try setting WAYLAND_DISPLAY  to something invalid... (like "none") for your existing build.
Actually, that's a thought - what does your system report WAYLAND_DISPLAY as?

 

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