https://bugs.kde.org/show_bug.cgi?id=400921
Bug ID: 400921
Summary: Using Spectacle rectangular selection with HiDPI
scaling results in a black screen
Product: Spectacle
Version: unspecified
Platform: Archlinux Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: General
Assignee: m...@baloneygeek.com
Reporter: gryz...@outlook.com
Target Milestone: ---
SUMMARY
Using the rectangular selection capture mode on HiDPI screen with scaling set
to 2 in System settings results in a black screen.
STEPS TO REPRODUCE
1. Set scaling to 2 in System settings.
2. Log out, then log back in to apply settings from step 1.
3. Start spectacle and select "Rectangular selection" in Capture Mode area,
then click on "Take a new screenshot".
OBSERVED RESULT
Screen goes black. The mouse is still present but clicks don't do anything.
Keyboard events are processed (e.g. pressing "Super" then typing an application
name then "Enter" launches the application, complete with mouse bouncing), but
the screen says black.
EXPECTED RESULT
Spectacle rectangular region capture UI shows up.
SOFTWARE VERSIONS
(available in About System)
KDE Plasma Version: 5.14.3
KDE Frameworks Version: 5.51.0
Qt Version: 5.11.2
ADDITIONAL INFORMATION
- This is on an actual HiDPI screen on a laptop (2015 MBP); I did not try on a
non-HiDPI screen.
- This does not happen when scaling is set to 1.
- The bug also occurs with scaling 1.9, but not 1.1.
- Killing Spectacle (e.g. from a TTY) returns to the desktop
- This looks similar to https://bugs.kde.org/show_bug.cgi?id=385885 except it
happens on a single monitor while that bug seems to be related to multiple
monitors
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