https://bugs.kde.org/show_bug.cgi?id=402557
Bug ID: 402557
Summary: On high DPI displays, windows are shifted when taking
screenshot of the rectangular region. Similar issue is
observed with kcolorchooser,
Product: kde
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: unassigned-b...@kde.org
Reporter: tamius....@gmail.com
Target Milestone: ---
SUMMARY
When taking screenshots of a rectangular region with Spectacle, the image is
offset by a fair bit, and as a result there are some regions that I can't
include in the screenshot.
This appears to be caused by a mixture of increasing monitor scaling factor
(Settings > displays) and font DPI (settings > fonts > force fonts DPI).
The change seems to be irreversible (resetting scaling factor and font DPI to
the values from before scaling factor was increased doesn't make the issue go
away).
This doesn't appear to be a Spectacle bug, as I've noticed similar behaviour in
kcolorchooser as well.
STEPS TO REPRODUCE
0. 'Force fonts DPI' should be checked. Value doesn't matter. Scaling factor
should be set to 1.
1. Go to Settings > display, change scaling factor
2. Go to Settings > Fonts, change 'Force fonts DPI' to a different value
3. (Optionally) reset scaling factor back to 1 and 'Force fonts DPI' to
original value.
OBSERVED RESULT
When selecting rectangular region for the screenshot with Spectacle, everything
is offset to the left. KColorChooser picks color that's offset from the cursor,
but in the opposite direction than Spectacle.
EXPECTED RESULT
When selecting rectangular region for the screenshot, windows don't get offset.
Kcolorchooser picks color under the cursor, not somewhere way off.
SOFTWARE/OS VERSIONS
Linux: 4.19.8-2-MANJARO
KDE Plasma Version: 5.14.4
KDE Frameworks Version: 5.52.0
Qt Version: 5.11.2
ADDITIONAL INFORMATION
I will provide screenshots as a separate attachments.
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