Bug 22715 - Wrong number of thumbnails displayed in the Plasma dashboard when an application has several windows
Summary: Wrong number of thumbnails displayed in the Plasma dashboard when an applicat...
Alias: None
Product: Mageia
Classification: Unclassified
Component: RPM Packages (show other bugs)
Version: 6
Hardware: All Linux
Priority: Normal minor
Target Milestone: ---
Assignee: KDE maintainers
QA Contact:
Depends on:
Blocks: 22659
  Show dependency treegraph
Reported: 2018-03-07 00:03 CET by Frédéric "LpSolit" Buclin
Modified: 2020-05-22 20:18 CEST (History)
5 users (show)

See Also:
Source RPM: plasma-desktop-5.12.2-1.mga6, plasma-workspace-5.12.2-1.mga6
Status comment:

screenshot (39.38 KB, image/png)
2018-03-07 00:03 CET, Frédéric "LpSolit" Buclin
parameters panel (101.16 KB, image/png)
2018-04-14 12:17 CEST, Frédéric "LpSolit" Buclin

Description Frédéric "LpSolit" Buclin 2018-03-07 00:03:51 CET
Created attachment 10030 [details]

When an application has N windows opened (with N > 1), hovering the corresponding icon in the dashboard shows N+1 thumbnails, which is confusing. Previously, there were exactly N thumbnails, as expected. New feature in Plasma 5.12 or a bug? If it's a new feature, is there a way to disable this extra thumbnail?
Comment 1 Morgan Leijström 2018-03-14 12:30:14 CET
OK for me here, testing with 3x Dolphin, 3x Thunderbird

updated everything to testing a couple days ago
system is 64-bit, Nvidia
using an user account

CC: (none) => fri

Comment 2 Morgan Leijström 2018-04-14 01:37:16 CEST
Thanks  Frédéric for the report

This was reported before we had good list of all needed updates and a repeatable method do install exactly them, so maybe it was caused because of an incomplete update.

If no none can confirm within a few days i suggest to close as invalid.

Ever confirmed: 1 => 0

Comment 3 Frédéric "LpSolit" Buclin 2018-04-14 12:17:39 CEST
Created attachment 10081 [details]
parameters panel

I installed all available updates related to Plasma & co, and I can still reproduce the problem. See this new screenshot to see what my panel parameters are. Note that you have to reboot to see the problem. If you edit parameters and immediately check the result, everything looks fine (correct number of thumbnails), but after a reboot, the problem is visible (one extra thumbnail).
Comment 4 Frédéric "LpSolit" Buclin 2018-04-14 12:18:01 CEST
Setting it back to NEW, because the problem is still present.

Ever confirmed: 0 => 1

Comment 5 Morgan Leijström 2018-04-14 14:25:05 CEST
Trying to track it down then...
Do this also happen if you create a new user and log in as that?
Comment 6 Frédéric "LpSolit" Buclin 2018-04-14 20:55:16 CEST
(In reply to Morgan Leijström from comment #5)
> Do this also happen if you create a new user and log in as that?

I couldn't reproduce with a new account. I configured the desktop to use the same theme (Oxygen), to be sure, but things are working correctly there. Note that my existing account comes from a clean installation of Mageia 6 (I never do upgrades as things rarely work correctly).

I'm decreasing the severity, because it's definitely not a blocker.

Severity: normal => minor

Comment 7 papoteur 2018-04-21 15:23:29 CEST
I just updated my Mageia 6 with all updates present in testing.
I confirm the problem.
The last thumbnail, at right, is inactive and as no title. The thumbnail is the same as the first one at left.

CC: (none) => yves.brungard_mageia

Comment 8 papoteur 2018-04-21 22:11:49 CEST
Found a report in kde bugzilla:
Nicolas Lécureuil 2018-04-22 00:33:19 CEST

CC: (none) => mageia
See Also: (none) => https://bugs.kde.org/show_bug.cgi?id=389469

Comment 9 r howard 2020-05-22 03:46:59 CEST
According to https://bugs.kde.org/show_bug.cgi?id=389469#c15 this was fixed upstream.

CC: (none) => rihoward1

Comment 10 David GEIGER 2020-05-22 06:29:21 CEST
mga6 is EOL so is this bug still valid for mga7?

Seems this upstream patch is merged in our plasma-desktop 5.15.4

CC: (none) => geiger.david68210

Comment 11 r howard 2020-05-22 08:07:33 CEST
The upstream patch is from Plasma/5.12 and created June 2018 so it should already be in Mageia 7.
Comment 12 David GEIGER 2020-05-22 08:11:35 CEST
Then this bug should be Closed as fixed or old!
Comment 13 Morgan Leijström 2020-05-22 20:18:58 CEST
Closing as old then.
Please reopen if problem still shows up.

Resolution: (none) => OLD

Note You need to log in before you can comment on or make changes to this bug.