[plasmashell] [Bug 393881] Desktop widget position lost after reboot

[Nate Graham]

https://bugs.kde.org/show_bug.cgi?id=393881

Nate Graham  changed:

   What|Removed |Added

   Assignee|k...@davidedmundson.co.uk|notm...@gmail.com
   See Also||https://bugs.kde.org/show_b
   ||ug.cgi?id=427861
 CC||n...@kde.org
  Component|general |Desktop Containment

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[plasmashell] [Bug 393881] Desktop widget position lost after reboot

[Nate Graham]

https://bugs.kde.org/show_bug.cgi?id=393881

Nate Graham  changed:

   What|Removed |Added

   See Also|https://bugs.kde.org/show_b |
   |ug.cgi?id=427861|

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[plasmashell] [Bug 393881] Desktop widget position lost after reboot

[Nate Graham]

https://bugs.kde.org/show_bug.cgi?id=393881

Nate Graham  changed:

   What|Removed |Added

 Resolution|--- |DUPLICATE
 Status|CONFIRMED   |RESOLVED

--- Comment #16 from Nate Graham  ---


*** This bug has been marked as a duplicate of bug 413645 ***

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[plasmashell] [Bug 393881] Desktop widget position lost after reboot

[Alexander Kandaurov]

https://bugs.kde.org/show_bug.cgi?id=393881

Alexander Kandaurov  changed:

   What|Removed |Added

 CC||aakandau...@yandex.ru

--- Comment #15 from Alexander Kandaurov  ---
I also experience a similar behavior and did some research on it.

First of all, in my case the bug is triggered when
a) the screen configuration at the login screen is different from what is set
up in KDE settings, and
b) the screen configuration change happens after plasmashell has already
started and loaded some widgets.
So, a possible workaround is to configure your monitors system-wide to match
KDE settings. Here is a possible way to do it:
https://forum.manjaro.org/t/dm-multi-monitor-configuration/99978

Now to the details. There are at least two mechanisms leading to this bug.

The first of them is the widget position rescaling that is intended to be
triggered by a resolution change when Plasma is running, but what actually
happens at startup is the following. Suppose we are switching a single screen
from a higher to a lower resolution. Initially, the widgets are laid out to
their saved positions from the config file which are based on the resolution
that should be set when Plasma is up and running. Then, upon a resolution
change, the previous AppletsLayout item size gets saved, which at that point
matches the whole previous resolution, and then, near the end of Plasma
startup, gets compared to the new size, which, aside from corresponding to a
different resolution, is further affected by the now loaded panels sizes
subtracted, and a rescaling is done. Now, if there are two monitors of
different resolution connected and the primary screen gets changed, which was
my actual initial case (although in my case the monitor arrangement was also
different), then the new and the saved layout sizes get swapped (and further
subtracted the panel heights), which is probably caused by ID mismatch in
(m_containment->screen() == id) comparison in appletslayout.cpp.

The second one happens when a resolution is changed from a lower one. In this
case, the window size and the AppletsLayout size don't change immediately after
the resolution changes. Actually, their sizes may stay equal to the old
resolution for several seconds. And the resizing itself may also be tricky,
involving reverting resizes and going through animation sequences. Initially,
the applets are correctly laid out to their saved coordinates, but then
m_configKeyChangeTimer gets activated and calls
m_layoutManager->resetLayoutFromConfig(), which repositions the widgets while
watching them not to fall out of the layout boundaries, which have not been
updated yet. Then the first mechanism comes in to make things even worse.
Rotating a screen basically triggers the same mechanism, the main difference
being that initially all the widgets are shown up as a mess in the corner
before setConfigKey is called.

All the testing was done on X11.

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[plasmashell] [Bug 393881] Desktop widget position lost after reboot

[FiNeX]

https://bugs.kde.org/show_bug.cgi?id=393881

FiNeX  changed:

   What|Removed |Added

 CC||fi...@finex.org
 CC||crazylego...@gmail.com

--- Comment #13 from FiNeX  ---
I'm experiencing this bug since I've switched from 2 DVI monitor to 2 DP
monitor with daisy chain (Nvidia drivers).

--- Comment #14 from FiNeX  ---
*** Bug 393270 has been marked as a duplicate of this bug. ***

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[plasmashell] [Bug 393881] Desktop widget position lost after reboot

[FiNeX]

https://bugs.kde.org/show_bug.cgi?id=393881

FiNeX  changed:

   What|Removed |Added

 CC||fi...@finex.org
 CC||crazylego...@gmail.com

--- Comment #13 from FiNeX  ---
I'm experiencing this bug since I've switched from 2 DVI monitor to 2 DP
monitor with daisy chain (Nvidia drivers).

--- Comment #14 from FiNeX  ---
*** Bug 393270 has been marked as a duplicate of this bug. ***

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[plasmashell] [Bug 393881] Desktop widget position lost after reboot

[Ashwin]

https://bugs.kde.org/show_bug.cgi?id=393881

Ashwin  changed:

   What|Removed |Added

 CC||ashwin.lob...@gmail.com

--- Comment #12 from Ashwin  ---
I have this bug as well but only when the KDE connect application generates
popup notifications on login.  That is if my phone has unread notifications
from email, voicemail, SMS or another messaging app then those notifications
will popup on the desktop in the top right as soon as I login.  When this
happens two widgets located on the top right and mid right are re positioned. 
When my phone is not connected to the network the widgets appear in their
proper place.

Distro:  KDE Neon Bionic (preview version Aug 8th 2018)
Plasma: 5.13.4
Frameworks: 5.49.0
Qt: 5.11.1
Kernel: 4.18.4-041804-generic

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[plasmashell] [Bug 393881] Desktop widget position lost after reboot

[apache]

https://bugs.kde.org/show_bug.cgi?id=393881

apache  changed:

   What|Removed |Added

 CC||sabayo...@gmail.com

--- Comment #11 from apache  ---
Plasma has general problem with saving settings. Read my comments:
https://bugs.kde.org/show_bug.cgi?id=356899

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[plasmashell] [Bug 393881] Desktop widget position lost after reboot

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=393881

--- Comment #10 from boaz.do...@gmail.com ---
1. My system:
Kubuntu 18.04.1 64bit
KDE Plasma 5.12.6

2. After some additional searching, I am wondering if my/this issue related to
bug 360478?

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[plasmashell] [Bug 393881] Desktop widget position lost after reboot

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=393881

--- Comment #9 from boaz.do...@gmail.com ---
Created attachment 114351
  --> https://bugs.kde.org/attachment.cgi?id=114351=edit
plasma-org.kde.plasma.desktop-appletsrc file

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[plasmashell] [Bug 393881] Desktop widget position lost after reboot

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=393881

--- Comment #8 from boaz.do...@gmail.com ---
Created attachment 114350
  --> https://bugs.kde.org/attachment.cgi?id=114350=edit
plasmashellrc file

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[plasmashell] [Bug 393881] Desktop widget position lost after reboot

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=393881

boaz.do...@gmail.com changed:

   What|Removed |Added

 Status|UNCONFIRMED |CONFIRMED
 Ever confirmed|0   |1

--- Comment #7 from boaz.do...@gmail.com ---
I think I has encountered the same issue (although there is only 1 display).

After several hard shutdowns of my PC and reboots (because the screen is going
on and off, looks like other issue), the default panel disappeared.

Firstly I tried to add it. Any widget I added show the number 2 on it, like
it's the second time I am adding this.
So, it looks like the original panel still somewhere ("off-screen"?).

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[plasmashell] [Bug 393881] Desktop widget position lost after reboot

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=393881

boaz.do...@gmail.com changed:

   What|Removed |Added

 CC||boaz.do...@gmail.com

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[plasmashell] [Bug 393881] Desktop widget position lost after reboot

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=393881

--- Comment #6 from leodream2...@gmail.com ---
Created attachment 113531
  --> https://bugs.kde.org/attachment.cgi?id=113531=edit
display setting

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[plasmashell] [Bug 393881] Desktop widget position lost after reboot

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=393881

leodream2...@gmail.com changed:

   What|Removed |Added

 CC||leodream2...@gmail.com

--- Comment #5 from leodream2...@gmail.com ---
I has encountered the same issue.
In my case, the primary display is 90 degrees rotated (1200*1920) and the
second one is on its right. Please reference attached displaysetting.png

I placed a widget in the lower-left corner of the primary display. Every time
the computer reboots, the widget will be placed to the middle of the left edge
and I have to drag the widget again.

Maybe it is because the widget is rendered or position recalculated before
applying the rotation during the startup?

The issue is a bit annoying. I am trying to find a way to move the widget
through command line so I can schedule it at the startup, avoiding manually
drag the widget every time. Using the API from
https://userbase.kde.org/KDE_System_Administration/PlasmaDesktopScripting#API ,
I can only modify the widget position in the
plasma-org.kde.plasma.desktop-appletsrc file. 

Any help is appreciated.

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[plasmashell] [Bug 393881] Desktop widget position lost after reboot

[Duncan]

https://bugs.kde.org/show_bug.cgi?id=393881

--- Comment #4 from Duncan <1i5t5.dun...@cox.net> ---
*** Bug 389141 has been marked as a duplicate of this bug. ***

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[plasmashell] [Bug 393881] Desktop widget position lost after reboot

[Duncan]

https://bugs.kde.org/show_bug.cgi?id=393881

Duncan <1i5t5.dun...@cox.net> changed:

   What|Removed |Added

 CC||1i5t5.dun...@cox.net

--- Comment #3 from Duncan <1i5t5.dun...@cox.net> ---
This is very likely a dup of (my) bug #389141, filed back when the problem was
probably still in unreleased live-git only.  Unfortunately it wasn't fixed, tho
I can't say my bug report was as good a quality as I'd have liked and I never
did get the bisect done I wanted to do.

I too have two displays, one a 4k/3840x2160, the other a full-hd/1920x1080.

Tho in my case the problem appeared after the screen-blanker activated (no
lockscreen configured) and the monitors, having no signal any longer,
automatically turned off, when I turned them back on -- no actual need to
logout/reboot.  Another difference, my higher-res 4k primary is to the right of
the full-hd secondary, while in your case it's to the left.

But an additional behavior detail I noticed after I filed the bug, that I had
been meaning to add, that from your screenshots applies in your case to:

Plasmashell is apparently mistakenly repositioning the widget to conform to the
lower full-hd resolution of the /other/ monitor in an effort to keep it
in-frame/on-monitor, failing to account for the larger 4k resolution of the
monitor it's actually on.  With the monitor-relative 0,0 origin at top-left and
the 4k monitor being twice the resolution of the smaller one in each direction,
the top-left quadrant is the monitor-relative size and position of the smaller
monitor, so the repositioning is into it.

Thus, anything outside the top-left quadrant will be repositioned into it,
while anything in it should stay where it is.

Hopefully with this additional description of the apparent repositioning
trigger for the bug we're both seeing, they can figure out what's going wrong
and patch it. =:^)

Meanwhile, here's a workaround (assuming you can't just put your widgets into
the top-left quadrant as a workaround) that I've been using here that should
help:  Find the plasma-org.kde.plasma.desktop-appletsrc file in your config (my
settings are customized but check in ~/.config and its subdirs) and set it
read-only when it has the correct config (as it should if you setup the widgets
as you want and then killall plasmashell, you can restart it again from krunner
after setting the file readonly).  That should prevent the bad positioning from
being written to the file, but note that you'll need to set it writable again
to make other changes to your widgets and panels or most of them (the ones
saved in that file) won't save either.

With the file set read-only, I'm not sure if plasma will set the correct
position at bootup/login, it may depend on the monitor detection and setup
sequence as plasma starts up, but if not you can always killall plasmashell and
restart it again, and it should then load the correct config.

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[plasmashell] [Bug 393881] Desktop widget position lost after reboot

[Lastique]

https://bugs.kde.org/show_bug.cgi?id=393881

--- Comment #2 from Lastique  ---
Created attachment 112428
  --> https://bugs.kde.org/attachment.cgi?id=112428=edit
Screenshot after reboot

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[plasmashell] [Bug 393881] Desktop widget position lost after reboot

[Lastique]

https://bugs.kde.org/show_bug.cgi?id=393881

--- Comment #1 from Lastique  ---
Created attachment 112427
  --> https://bugs.kde.org/attachment.cgi?id=112427=edit
Screenshot before reboot

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