https://bugs.kde.org/show_bug.cgi?id=369255
Tom Moebert <tom.m...@googlemail.com> changed:
What |Removed |Added
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CC| |tom.m...@googlemail.com
--- Comment #5 from Tom Moebert <tom.m...@googlemail.com> ---
I had a quick look at this and I understand it as follows:
After a call to ContextManager::setCurrentDirUrl() (i.e. opening a directory in
the thumbnail view), KDirLister::openUrl() is called. This one will add all
files in that directory one-by-one to the Gwenview::SortedDirModel. One-by-one
a row is inserted into this model. Every insert emits the rowsInserted signal.
Every such signal will call ThumbnailView::rowsInserted(). In there, another
rowsInsertedSignal will be emitted which goes to
PreviewItemDelegate::slotRowsChanged() to update some hover selection or so.
And we do that as many times as there are files in the directory - 82783 times
- in the UI thread... and once we are done with that, the thumbnail generation
can finally start.
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