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Re: [fltk/fltk] test/tree: hitting 'select all' hangs the application (Issue #300)

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Re: [fltk/fltk] test/tree: hitting 'select all' hangs the application (Issue #300) erco77 Nov 29, 2021  
 

@Albrecht-S yes, we want to avoid a "bug fix oscillation" where one bug's fix is another bug's bug.
There's a few times in FLTK where I've seen such oscillations span a decade or more, where it goes back and forth - so much time between the fixes, no one remembers the back-and-forth.

Luckily the commits show the related bugs clearly.

This is going to be really annoying to fix, but the penalty in time is huge; just doing 500 string appends, let alone the calls to scroll() and remove(). We've known for a while Fl_Text_Xxx can get really slow just because of the scrollbar calculations. There must really be a way to do this better, keeping a running maximum for the width and height so these recalcs don't involve so much cpu.


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