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Re: [fltk.general] Strange artefacts visible on controls
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Re: Strange artefacts visible on controls Albrecht Schlosser Jul 06, 2022  
 
On 7/6/22 16:04 Jck_01 wrote:


How many threads are in your code?

Generally only one. The code in dialog windows uses one, main program thread. A new thread is created only when I call methods of network library. Could it be the reason of artefacts?

Generally not if you don't call FLTK methods from within your thread code.

Here's another question: Did you recently update your FLTK repo / working copy? Maybe even switching from 1.3 to 1.4 ?

The reason I'm asking this is because mixing library headers (old vs. new) and maybe compiling only parts of the library could have similar effects (although maybe not with random appearance). Anyway, I suggest to remove old FLTK installations from your system (if there are any) and make sure that you compile your entire FLTK lib *and* your entire application (make clean; make; or whatever is applicable) to be sure everything is built from one FLTK source.

If this doesn't help, we'd really need code (a short, compileable example source file) and more information about your FLTK version and build environment.

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