https://bugs.kde.org/show_bug.cgi?id=502340
Bug ID: 502340
Summary: Preserve display ratio and shrink drawing area on
tablet, not mapped area on display
Classification: Applications
Product: systemsettings
Version: 6.3.3
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: kcm_tablet
Assignee: plasma-b...@kde.org
Reporter: nilskemail+...@gmail.com
CC: aleix...@kde.org, j...@redstrate.com
Target Milestone: ---
SUMMARY
When using a drawing tablet with a different aspect ratio than the screen there
is currently no option to keep the area on the screen maximized and "waste"
area on the tablet by shrinking its mapped size and adding a deadzone
STEPS TO REPRODUCE
1. Connect a drawing tablet with different aspect ration than you display
2. Go to the tablet settings and try to configure it such that the aspect ratio
is preserved, and every corner of the screen is reachable with the tablet (at
the loss of some detection area on the tablet).
OBSERVED RESULT
This is only possible by manually fiddling with the mapped areas and their
percentages (not even real pixel values are shown). This is imprecise and
tedious (one has to determine the aspect ratio of display and tablet and then
calculate the correct percentage value etc).
EXPECTED RESULT
There should be a radio option that instead of preserving the full area of the
tablet and shrinking the reachable display space, instead the usable tablet
space should be shrunk such that the full display is still reachable using the
tablet pen.
SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 41
KDE Plasma Version: 6.3.3
KDE Frameworks Version: 6.12.0
Qt Version: 6.8.2
Kernel Version: 6.13.9-200.fc41.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 7840U w/ Radeon 780M Graphics
Memory: 30.6 GiB of RAM
Graphics Processor: AMD Radeon 780M
ADDITIONAL INFORMATION
Extreme example: My display is 2:1 (landscape) and my tablet is 1:1 (square).
The current settings allow me to preserve the aspect ratio but doing so I can
only draw a rectangular region on the display (e.g. the bottom half is
unreachable). What I would like instead is that I could only use a region on my
tablet with aspect ration 2:1 (e.g. only the top half) but this half is then
mapped to the full display allowing me to reach/draw everywhere.
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