https://bugs.kde.org/show_bug.cgi?id=484916
Bug ID: 484916
Summary: "Get New" dialogs do not show unsupported (but
installed) widgets so we can't uninstall them (after
KDE 6 upgrade)
Classification: Plasma
Product: plasmashell
Version: 6.0.3
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: plasma-b...@kde.org
Reporter: eduardosare...@gmail.com
CC: k...@davidedmundson.co.uk
Target Milestone: 1.0
SUMMARY
After upgrading do KDE Plasma 6, older KDE 5 global themes, cursors, icons,
splash screens, etc stop showing because they are not supported. This is fine,
but we also lose the ability to uninstall these unsupported add-ons. Especially
with Global Themes, these can get quite big in terms of disk space used. I
myself had maybe a hundred of these themes installed. After upgrading to plasma
6, all of them are gone (which is expected) but I cannot uninstall them
anywhere. If I open the "Get New" dialogs, and filter by "Show only installed
items" it shows "No items found" even if I have dozens of them installed (I do,
I checked their respective folders). The only way to remove unsuported widgets
is to manually go into their respective folders and delete them, something that
is very confusing for casual users especially considering the fact that we can
in fact delete very important default themes/add-ons from these folders and
break functionality. Users should not need to go delete add-ons folders
manually. We also have the problem that these add-ons "get lost" after becoming
unsupported, in a way that while they are still there using (what can be a lot
of) disk space, the user has no way to know they are still there.
The "Add Widget" dialog from the desktop widgets works in a different way, and
can be used as a great idea to solve this: While the "Get New" dialog for these
widgets still cannot show unsuported but installed add-ons, the "Add Widgets"
dialog does: it shows all the currently installed widgets, even the ones that
are unsupported. These unsupported ones are greyed out and while hovering them
with a mouse they show an unsupported message tooltip with a great
user-friendly description. They have a "trash" icon on them that can be used to
uninstall them. This way the user knows that they are unsupported, but still
installed and wasting disk space, and can safely act on this without needing to
go browse folders and delete stuff accidentally.
My suggestion: Copy the "Add Widgets" dialog functionality by showing all of
the installed add-ons everywhere (global themes, window decorations, icons etc)
but have them greyed out and disabled. This way they can be uninstalled safely,
just like any other currently supported add-on. They should also appear, also
greyed out with an unsupported message, in the "Get New" window when filtered
by "show installed items only".
STEPS TO REPRODUCE
1. install any plasma 5 (not supported on 6) global theme (or any other plasma
5 exclusive add-on)
2. upgrade to plasma 6
3. all installed addons are gone, user has absolutely no idea where they are,
but they are still wasting disk space, just completely hidden from the user
OBSERVED RESULT
Everything is still installed but hidden without any notice or way to safely
uninstall them
EXPECTED RESULT
Every installed add-on should still be shown, just greyed out / disabled and
with an unsupported label. User should be able to uninstall these addons easily
without needing to go mess with folders and files manually.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: from 5.27.10 to 6.0.3
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