Bug 205116 - Panel hides when I switch the desktop using the pager
Summary: Panel hides when I switch the desktop using the pager
Status: RESOLVED UNMAINTAINED
Alias: None
Product: plasma4
Classification: Plasma
Component: containment-panel (show other bugs)
Version: 4.8.3
Platform: Ubuntu Linux
: NOR normal
Target Milestone: ---
Assignee: Plasma Bugs List
URL:
Keywords:
: 205286 (view as bug list)
Depends on:
Blocks:
 
Reported: 2009-08-25 19:01 UTC by Andreas Fackler
Modified: 2018-06-08 18:37 UTC (History)
5 users (show)

See Also:
Latest Commit:
Version Fixed In:


Attachments
Little video i made to illustrate the problem (474.06 KB, video/ogg)
2010-02-18 12:31 UTC, Teet Talviste
Details

Note You need to log in before you can comment on or make changes to this bug.
Description Andreas Fackler 2009-08-25 19:01:58 UTC
Version:            (using KDE 4.3.0)
Compiler:          gcc (4:4.3.3-1ubuntu1) 
OS:                Linux
Installed from:    Ubuntu Packages

I activated the panel auto-hide feature. If I switch to another desktop either by clicking on the pager or by turning the mouse wheel while over it, the panel hides immediately. That way I cannot switch two or more desktops to the left or right by just rolling the mouse wheel.

Actually, the panel does not always behave that way. In about one out of five times I try, the panel stays up, but I wasn't able to find any regularity.
Comment 1 Marco Martin 2009-08-27 20:54:02 UTC
*** Bug 205286 has been marked as a duplicate of this bug. ***
Comment 2 Andreas Fackler 2009-08-27 23:36:44 UTC
I just noticed the following:
I switched to desktop number 2, for example. I moved the mouse to the bottom of the screen so that the panel appeared, and left the mouse there. Then I used the keyboard shortcuts to switch desktops back and forth a bit, without touching the mouse. The panel was visible exactly on desktop 2, but not on any other desktop.

It seems that the panel is treated like any other non-sticky window.

As I said before, this is not always reproducible. It seems to be random whether the panel is visible everywhere or just on one desktop.
Comment 3 Andreas Fackler 2009-09-26 12:42:26 UTC
If I switch desktops and the panel disappears, the glow bar is deactivated and moving the mouse to the bottom of the screen doesn't unhide the panel. Moving the mouse outside the region where the panel should be and back down again reactivates the glow bar and makes unhiding possible again.
Comment 4 Christian Janoff 2009-11-22 14:19:45 UTC
I can confirm comment #3 (KDE 4.3.3, Gentoo Sources).

It only happens several times a day but not always.

Fortunately I was able to create a video about it. :-)

  http://v6.tinypic.com/player.swf?file=k0668m&s=6

(Flash plugin needed.)
Comment 5 Andreas Fackler 2009-11-28 15:27:05 UTC
This is probably the same bug:
Activate auto-hide, click the clock to open the calendar and switch the desktop by scolling over the pager or using a keyboard shortcut. The panel vanishes and it is impossible to bring it back on the screen without switching back to the other desktop.
Again, this doesn't happen every time. If it doesn't (or if auto-hide is not activated), only the calendar vanishes, because it stays on the other desktop. Then you have to click twice to bring it back, which probably also is not intended.
Comment 6 Marco Martin 2009-12-23 13:47:14 UTC
can't reproduce in trunk, does this still happens?
Comment 7 Beat Wolf 2009-12-23 14:48:48 UTC
see last comment
Comment 8 Christian Janoff 2009-12-23 15:35:52 UTC
It still happens with KDE 4.3.4. (Don't know about the trunk version though.)
Comment 9 Andreas Fackler 2010-01-02 22:56:16 UTC
With KDE 4.4 Beta 2 (or 4.3.85) it happens a lot less often, but it still happens occasionally.

To reproduce this bug, don't just cycle over the pager indefinitely: If the bug occurs, it does so at the first desktop switch after unhiding the panel. So between two desktop switches, you have to move the mouse away from the panel and back to the edge again.
I did that 20 times and the bug occurred 4 times.
Comment 10 gene smith 2010-01-31 20:24:59 UTC
Still happening on 4.4 rc2:

My panel at bottom is set to autohide. I have a 4 desktop pager on the panel
arrange in the square pattern. If I am on, for example, desktop 1 and click on
desktop 2 of the pager, often the panel retracts (hides) and remains hidden on
desktop 2 until I move the mouse up, out of the panel area, and then back down
to the bottom of the screen. Since the panel was not hidden when I clicked on
the pager (leaving the mouse pointer at the same place), it should remain not
hidden when the new desktop is displayed; sometimes it does, but often it
doesn't.

This seems to always happen when KDE first started. But after a few desktop
switches it gets better and you may not notice it once every desktop is
populated with windows.
Comment 11 Teet Talviste 2010-02-18 12:31:13 UTC
Created attachment 40895 [details]
Little video i made to illustrate the problem

Hope this helps someone.
Comment 12 Andreas Fackler 2010-09-02 23:03:08 UTC
The problem still exists in versions 4.4.5 and 4.5.0.

If I turn on the "slide" desktop switching effect, I can observe how the panel usually goes from one virtual desktop to the other instantly. Except if the bug occurs: In that case the panel stays on its original desktop and slides out of the screen together with the other windows. If I leave the mouse in the area where the panel should be and switch back to the original desktop using a keyboard shortcut, it slides into view again.
Comment 13 Andreas Fackler 2011-05-01 13:46:49 UTC
It still happens occasionally in KDE 4.6.2.

Please tell me what information you need and I will try to provide it.
Comment 14 Myriam Schweingruber 2012-05-16 09:39:22 UTC
Last version reported with is 4.6.2, is this still valid with 4.8.3 or later?
Comment 15 Christian Janoff 2012-08-13 11:53:13 UTC
Yes. It still happens with 4.8.3.
Comment 16 Myriam Schweingruber 2012-09-07 17:13:36 UTC
Thank you for the feedback.
Comment 17 Christian Janoff 2013-03-22 18:22:33 UTC
This problem still exists in KDE 4.10.1.
Comment 18 Christian Janoff 2015-02-14 11:51:00 UTC
Still happening in KDE 4.14.3.
Comment 19 Nate Graham 2018-06-08 18:37:41 UTC
Hello!

This bug report was filed for KDE Plasma 4, which reached end-of-support status in August 2015. KDE Plasma 5's desktop shell has been almost completely rewritten for better performance and usability, so it is likely that this bug has already been resolved in Plasma 5.

Accordingly, we hope you understand why we must close this bug report. If the issue described  here is still present in KDE Plasma 5.12 or later, please feel free to open a new ticket in the "plasmashell" product after reading https://community.kde.org/Get_Involved/Bug_Reporting

If you would like to get involved in KDE's bug triaging effort so that future mass bug closes like this are less likely, please read https://community.kde.org/Get_Involved#Bug_Triaging

Thanks for your understanding!

Nate Graham