Carsten Haitzler (The Rasterman) wrote: > On Sun, 30 Aug 2009 10:52:10 -0400 Christopher Michael > <cpmicha...@comcast.net> > said: > >> Seems elm_genlist has issues :( >> >> Apparently you can only add about 11 subitems before problems start :( >> >> Basically, I created a "file tree" using elm_genlist_add. When listing >> out directories, I get to e->trunk->E-MODULES-EXTRA and the problems >> start. If I add the subdirs to modules-extra, I can only add about 11 >> subitems (which all appear fine under e->trunk->E-MODULES-EXTRA), but >> anything after #11 appears at the end of the genlist...very odd so seems >> there is a bug in genlist somewhere :( >> >> I've uploaded some code for those brave enough to investigate this: >> http://devilhorns.us/files/echelon.tar.gz. >> >> This doesn't need to be 'installed' or anything, just build it, run it, >> and expand the tree to e->trunk->E-MODULES-EXTRA and you will see that >> after about subitem #11, the rest get added to the end of the genlist. >> >> I took a look at it myself, but no luck :( > > hmm i don't know what causes it. > > when u add an item to genlist it goes into a queue. all the params are stored > in that queue item (the item info, what item its above/below etc.). this queue > is processed in idle time to become real usable items. this is to handle the > "i > want a list with 5,000,000 items" case or so. ie code adds a stupid # of > items. > every item needs to at least be realized once, set up, size calculated etc. > so a > scroller/scrollbar can display a size and position. as this can be > prohibitive, > it's farmed off to be "done over time" to keep the app interactive. my guess > is > something might go wrong here, but i can't see what it is. why the 11th level? > makes no sense. > > Yea, doesn't make a whole lot of sense to me either :( There is no hard-coded limit to the number of subitems right ? (Would seem silly to me) ... perhaps something is getting lost (item's parent) when the queue gets processed ?
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