optimal solutin will be using ui scaling of Qt 5.4
use this size as optionam thumbnail size and keep thumbnails
around that size, giving more row/columnsif needed
this gives more optimal sizes and not too blurry thumbmnails
BUG:335424
On my system, I have a symlink /usr/share/wallpapers/kde-default.png ->
/usr/share/wallpapers/Elarun/contents/images/someresolution.png. This
symlink gets processed as an additional image even though it actually
points to an image which is already in the set.
So I changed it to always work with the target rather than symlink and
then it also checks for the target possibly being in a package, if it
is, then it processes the whole package rather than only one file from
it.
This fixes one wallpaper (same path) to be shown twice in the wallpaper
select dialog.
REVIEW: 117601
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Branched from the monolithic repo kde-workspace, frameworks branch, at commit
049113e719dd2fc4446d054fa1a3aada330094f0
Antonis Tsiapaliokas
Marco Martin
Martin Klapetek
Aleix Pol