Re: BUG #1109

On Sun, Dec 09, 2012 at 06:59:01PM +0000, corvid wrote:
> Jorge wrote:
> >   If you open [1] with dillo, the "Component:" selection list
> > gets overdrawn over and over.
> 
> That list has over 18000 options.
> 
> This was the final thing that prompted me to try changing the Fl_Tree to
> Fl_Browser, since gprof showed problems where the code would iterate through
> the tree by going into the parent, searching for which child we were, and then
> going into the next one. This resulted in something like 300000000 calls to
> various Fl_Tree_Item functions with child in the name. I was able to rewrite
> some code to do things differently, but some was just internal.
> 
> 1. With a somewhat older dillo with a somewhat older fltk, I wasn't seeing
> this slowness, though. When I spent a little time trying to find out what
> was the root of this, results seemed inconsistent. I...suppose it's worth
> digging into again for the sake of 3.0.3.
> 
> 2. You're supposed to get a better Fl_Tree algorithm if you set
> #define FLTK_ABI_VERSION 10301 , but that's not a good option for us.
> 
> >   Some more details here [2] (backtraces, etc).
> > 
> >   As from the backtraces, it crashed with event 11 (MOVE) inside
> > a FLTK menu. I wonder what makes this particular menu different from
> > the others in the same page.
> 
> Do you know which of the option menus it broke in?

  Unfortunately not.

  Sergio reports it having crashed a few times, but he can't force
it to crash, nor succeeded when I asked him to try to find a way to
reproduce the crash.


-- 
  Cheers
  Jorge.-