> .background.decorated:backdrop {
This still doesn't feel entirely good. The background can be applied to
a window, in which case it needs to be restricted to the .decorated
property; but I presume it can also be applied to many other GTK widgets
in which case it shouldn't be restricted, at
DING developer's response is basically that they clear the "decorated"
property of the window, and the theme should handle that.
Based on this, I think the correct solution for the Ambiance/Radiance
themes is to further restrict the offending block with the ".decorated"
selector, i.e.
Let's see what DING devs think: https://gitlab.com/rastersoft/desktop-
icons-ng/-/issues/315
** Bug watch added: gitlab.com/rastersoft/desktop-icons-ng/-/issues #315
https://gitlab.com/rastersoft/desktop-icons-ng/-/issues/315
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Ambiance/Radiance are basically unmaintained so if there's a bug it
would probably be easier for you to propose a fix then trying to find
someone else to do it.
If you have concerns about the extension, I suggest filing an upstream issue:
https://gitlab.com/rastersoft/desktop-icons-ng/-/issues
> Wow, I didn't realize that people were still trying to use Ambiance
and Radiance (from source package ubuntu-themes) with Ubuntu 24.04 LTS.
I'd love to switch to Adwaita or Yaru, but I prefer to have dark window
header and light window contents, and I haven't found yet how to do it
in those.
Without root access (or being worried of an update overwriting the
changes), this is how I could fix it as a user.
I've placed this in my ~/.config/gtk-3.0/gtk.css file:
window.desktopwindow.background:backdrop {
box-shadow: none;
}
Don't ask why it's gtk-3.0 and not 3.20 or 4.0, I have
Wow, I didn't realize that people were still trying to use Ambiance and
Radiance (from source package ubuntu-themes) with Ubuntu 24.04 LTS.
Would you like to submit a patch and subscribe ubuntu-sponsors?
** Package changed: light-themes (Ubuntu) => ubuntu-themes (Ubuntu)
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It's /usr/share/themes/{Amb,Rad}iance/gtk-3.20/gtk-widgets.css line 18:
.background:backdrop {
color: @backdrop_fg_color;
box-shadow: inset -1px 0 shade (@bg_color, 0.94);
}
Change that to 0 (or I guess you could remove the entire line or even
the
I've modified /usr/share/themes/Ambiance (recursively), search-replacing
all the "1px" to "10px", and (after logging out and back in) the line at
the desktop's right edge looks about 10px wide.
So we're on the right track.
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Looks remotely related: https://askubuntu.com/questions/927893/white-
line-on-left-of-ubuntu-launcher-when-desktop-icons-enabled
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I can reproduce the problem on two computers, both running fully-updated
24.04 beta.
For me, the bug appears if all of these circumstances are met:
- /org/gnome/desktop/interface/gtk-theme is Ambiance or Radiance
- one of the windows is focused
- the Desktop Icons NG (DING) extension is enabled
If the bug still occurs with any theme then we should keep it open.
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https://bugs.launchpad.net/bugs/1986450
Title:
Visual artifact 1px vertical white line right
An update since I have a new computer with a fresh, clean install of
Ubuntu 22.04.3 LTS...this may very likely be a theme issue. It is not
present when using the default theme. It appears when trying to change
the Applications theme to - for example - Ambiance (the one I would
prefer).
Consider
I've not seen any other reports of this bug.
If it is mostly only visible on AMD graphics and less than 6% of Ubuntu
users are using AMD graphics, intersected with the small proportion of
users who are willing to report bugs instead of ignoring them, it's a
small intersection so unsurprising it
I would not know. Nevertheless, I consider this bug report as a heads up
in case you encounter it or something similar in the future. It is
nothing critical, and the workaround does work, even though applying it
every time I log in to Ubuntu will probably get tedious in the long run.
Does this
Thanks, that's enough info.
My immediate thought is that it might relate to mutter's background
rendering code which aggressively tries to limit the number of wallpaper
pixels it redraws each frame. Maybe there's an off-by-one mistake in
that code.
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Single monitor examples. The same happens when I activate the second
monitor, with the exception that the white lines are both on the second
display before closing the Settings (if I recall correctly). Would you
like pictures of the two monitor setup, as well? Or do these two
pictures demonstrate
Picture two, after the desktop was scaled to 125% and then back to 100%,
and the Settings window is not closed, yet (the white line disappears
after the Settings window is closed).
** Attachment added: "Screenshot from 2022-08-18 21-36-55.png"
Picture one, default when the desktop is no focused.
** Attachment added: "Screenshot from 2022-08-18 21-35-56.png"
https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1986450/+attachment/5609710/+files/Screenshot%20from%202022-08-18%2021-35-56.png
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Can you attach a photo or video of the issue?
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https://bugs.launchpad.net/bugs/1986450
Title:
Visual artifact 1px vertical white line right side of the wallpaper
That could very well be the case. It does not appear when the desktop is
initially loaded, but shortly after a refresh(?). If I keep the second
monitor (TV) active, the scaling workaround does not work - the lines on
both monitors come back when set back to 100% scale. If I click the
desktop the
** Changed in: gnome-shell (Ubuntu)
Status: Incomplete => New
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https://bugs.launchpad.net/bugs/1986450
Title:
Visual artifact 1px vertical white line right
In the past I had seen a 1px gap down the right side of the wallpaper on
Intel, but I think that was only during desktop zoom and I can't
reproduce it today. Whatever the cause was might still be present and
might only be manifesting with AMD graphics. Just a theory.
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Done. There is no change. The artifact is still present.
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https://bugs.launchpad.net/bugs/1986450
Title:
Visual artifact 1px vertical white line right side of the
Thanks. Please try removing your extensions in case they are the cause:
cd ~/.local/share/gnome-shell/
rm -rf extensions
and then log in again.
** Tags added: amdgpu
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apport information
** Tags added: apport-collected wayland-session
** Description changed:
After manually upgrading from 20.04 LTS to 22.04.1 LTS I find that there
is a 1px wide vertical white line on the desktop that appears whenever
an application has focus. It is on the right side of
Thank you for taking the time to report this bug and helping to make
Ubuntu better. Please execute the following command only once, as it
will automatically gather debugging information, in a terminal:
apport-collect 1986450
When reporting bugs in the future please use apport by using 'ubuntu-
** Package changed: ubuntu => gnome-shell (Ubuntu)
** Tags added: jammy
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https://bugs.launchpad.net/bugs/1986450
Title:
Visual artifact 1px vertical white line
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