I recently switched from Gnome to KDE and from POP!_OS to openSUSE (Tumbleweed). Very satisfied so far. However there is one drawback that I cannot seem to fix: there are no badges for unread messages/notifications on the task bar app icons (Discord & mailspring in this example, the rightmost icons in the bottom screenshot and next to konsole in the upper screenshot). When trying another distro with KDE (kubuntu in this case), I get the app badges I expected (see screenshots).
Is there any library/app/setting/config file that I might be missing or does anyone have any idea why this is happening here with Tumbleweed and not with other KDE/Plasma distros?
One thing that I noticed is that with regards to the respective distros, they apparently handle the non-KDE app recognition differently. kubuntu shows the apps where I am missing unread notification badges in System Settings -> Notification -> Application Settings and thus also shows the notification badges. Any idea why that could be? My ~/.config/plasmanotifyrc is empty, whereas in kubuntu, the non-KDE apps are listed there with “Seen=true”.
Any idea what could cause this? I just installed Leap 15.3/Plasma in a VM, installed Discord to test it and the app is still not found by the notification setting. Whereas on kubuntu it is instantly recognized on a fresh install in a VM.
Don’t forget that Discord is not a native KDE application but an Electron application and that it is GTK-based, so it will never fully integrate with Plasma.
Perhaps kubuntu make modifications to the package to enable notification badges?
Yes, I am aware that it will not be as integrated as a native Qt app but kubuntu shows that it is possible to achieve some degree of integration by showing the notification badges. I fear that it might have to do with libunity, which is apparently not installable on Tumbleweed (all experimental or community repositories are broken, see here). When trying another non-Ubuntu distro where libunity is installable (Fedora 34), notification badges are present.
I tried that but apparently libunity depends on libdee, which in turn depends on libcui18n, which is where I decided not to go down that rabbit hole any more. Thanks for the link, though!
As you suggested, I have now filed a bug report (felt somewhat bad, as it is not a proper bug per se, just an annoyance.
FYI: I added a repo and installed libunity-devel, ignored some dependencies and now get the badges:
**3400G:~ #** zypper install libunity-devel
Loading repository data...
Reading installed packages...
Resolving package dependencies...
Problem: nothing provides 'pkgconfig(dee-1.0)' needed by the to be installed libunity-devel-7.1.4+bzr20190319-9.18.x86_64
Solution 1: do not install libunity-devel-7.1.4+bzr20190319-9.18.x86_64
Solution 2: break libunity-devel-7.1.4+bzr20190319-9.18.x86_64 by ignoring some of its dependencies
**Choose from above solutions by number or cancel [1/2/c/d/?] (c): **2
Resolving dependencies...
Resolving package dependencies...
The following 17 NEW packages are going to be installed:
dbus-1-devel dbus-1-glib-devel glib2-devel libdbusmenu-glib-devel libdbusmenu-glib4 libffi-devel libmount-devel libpcre16-0 libpcre2-32-0 libpcre2-posix3 libpcreposix0 libselinux-devel libsepol-devel libunity-devel pcre-devel
pcre2-devel typelib-1_0-Dbusmenu-0_4
17 new packages to install.
Overall download size: 3.9 MiB. Already cached: 0 B. After the operation, additional 26.1 MiB will be used.
**Continue? [y/n/v/...? shows all options] (y): **
Retrieving package dbus-1-devel-1.12.20-5.4.x86_64 ....
**3400G:~ #** zypper lr home_Dead_Mozay
Alias : home_Dead_Mozay
Name : home:Dead_Mozay (openSUSE_Tumbleweed)
URI : https://download.opensuse.org/repositories/home:/Dead_Mozay/openSUSE_Tumbleweed/
Enabled : Yes
GPG Check : (r ) Yes
Priority : 99 (default priority)
Autorefresh : Off
Keep Packages : Off
Type : rpm-md
GPG Key URI : https://download.opensuse.org/repositories/home:/Dead_Mozay/openSUSE_Tumbleweed/repodata/repomd.xml.key
Path Prefix :
Parent Service :
Keywords : ---
Repo Info Path : /etc/zypp/repos.d/home_Dead_Mozay.repo
MD Cache Path : /var/cache/zypp/raw/home_Dead_Mozay
**3400G:~ #**
Pure speculation, I wonder if it was one (or more) of the other 17 additional packages, rather than libunity itself, that resulted in the badges being correctly displayed:
The following 17 NEW packages are going to be installed:
dbus-1-devel dbus-1-glib-devel glib2-devel libdbusmenu-glib-devel libdbusmenu-glib4 libffi-devel libmount-devel libpcre16-0 libpcre2-32-0 libpcre2-posix3 libpcreposix0 libselinux-devel libsepol-devel libunity-devel pcre-devel
pcre2-devel typelib-1_0-Dbusmenu-0_4
Thanks for trying this out, unfortunately I added the exact same repo and am still stuck without badges on the latest Tumbleweed. I do have one app (Mailspring) in the list of apps in the notification settings, but this does not change anything. :-/
