https://bugs.kde.org/show_bug.cgi?id=469021
Bug ID: 469021
Summary: Dual Monitor Spectacle rectangular screenshot
graphical glitch
Classification: Applications
Product: Spectacle
Version: 23.04.0
Platform: Archlinux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: General
Assignee: noaha...@gmail.com
Reporter: otheraccount...@gmail.com
CC: k...@david-redondo.de
Target Milestone: ---
Created attachment 158454
--> https://bugs.kde.org/attachment.cgi?id=158454&action=edit
Screenshot taken from a still from obs recording
STEPS TO REPRODUCE
1. Set both monitors to 125% scaling
2. Open spectacle
3. Click "rectangular region"
EXPECTED RESULT
All monitor output becomes static (except spectacle overlay) in order to select
a rectangular region for the screenshot.
OBSERVED RESULT
Primary horizontal monitor's image becomes static and overlayed on top of
itself at a smaller scale. Selecting a rectangular region works as expected as
if the bug was not apparent. Which is to say, I'd have to remember the outline
of the content I want to snip and blindly do so. No artifacts in the result.
Using the attachment as reference:
The part of the desktop that's smaller is the static image. The part of the
desktop that showing outside is my actual desktop still rendering in real time.
I know this because I have a live wallpaper on my main activity, and during the
rectangular region selection process, the live wallpaper is still moving in the
background.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Arch
KDE Plasma Version: 5.27.4
KDE Frameworks Version: 5.105.0
Qt Version: 5.15.9
Spectacle: 23.04.0
ADDITIONAL INFORMATION
CPU: 7950x3d
GPU: Nvidia GTX 1080
- Both monitors are 4k, and attached to my gpu. My left monitor is vertical but
the bug seems to persist when horizontal also.
- Secondary vertical monitor has no issue. I was able to swap this bug on
either monitor, but I don't know how to reproduce. Bug present on one monitor
at a time.
- This happens on both X11 and Wayland.
- This doesn't happen when both monitors are set to 100% scaling.
- I was able to get a screenshot of the bug using obs screen recording.
The only related logs I can see from journalctl is:
kstart5[5244]: Omitting both --window and --windowclass arguments is not
recommended
systemd[1980]: Started Spectacle - Screenshot Capture Utility.
spectacle[5251]: qt.qpa.wayland: Wayland does not support
QWindow::requestActivate()
spectacle[5251]: qt.qpa.wayland: Wayland does not support
QWindow::requestActivate()
spectacle[5251]: qt.qpa.wayland: Wayland does not support
QWindow::requestActivate()
spectacle[5251]: qt.qpa.wayland: Wayland does not support
QWindow::requestActivate()
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