> The file dialog takes up to 30 seconds to be usable if we're listing > files on a USB or remote share with 10k files. > > > The bottlenecks are QFileIconProvider::icon(const QFileInfo &info) and > QFileInfo::isSymLink(). > > > I solved the icon problem by looking them up in the registry, by > extension, and caching them.
I assume that for executables you look it up directly or is that stored in the registry too? > For the isSymLink() issue, I discussed with fkleint and rittk and we > kind of agree that we should simply check if the file extension is > .lnk, instead of calling GetFileAttributesEx. > > > The Windows native file dialog does not resolve NTFS symlinks, only > .lnk, so we would be consistent with it. > > > Any objection? None from me at least, I will be glad to see this issue get resolved after all this time :) Andy _______________________________________________ Development mailing list Development@qt-project.org http://lists.qt-project.org/mailman/listinfo/development
