Re: GtkIconView performance issue

On Fri, Jan 31, 2014 at 3:45 PM, Debarshi Ray wrote:
Yes, I have noticed this too in gnome-{documents,photos}. See:

The way we work around this is by avoiding having to show 500 rows at
once. We batch things in groups of 50 and as the user scrolls down we
let her load another batch. That and letting the user search the data
so that she does not have to browse through 500 or more items to find
what she wants.

I'll think about this. I'd like to be able to scroll through the
directory without stopping, so handling load-ahead and unload-behind
without the user noticing (too much) sounds complicated. And the
scrollbar size/position might be misleading compared to the real
directory size. Thanks for the suggestion though.

It might also be worth looking at what nautilus does.

Nautilus seems to use a custom widget called NautilusCanvasView. I've
tried to figure it out, but it's a lot of C code that I can't quite
grok. (And adding hundreds or thousands of lines of widget code to my
tiny program is daunting.) But yeah, Nautilus is good at being
responsive while thumbnailing a lot of files in a directory.

Also, it seems to happen when changing window focus.
GtkTreeView, however, is fast.

Sounds like:

Yeah, that bug seems to be it. Thanks for your reply.

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