https://bugs.kde.org/show_bug.cgi?id=523806
Bug ID: 523806
Summary: Wayland: primary selection randomly loses beginning of
text
Classification: Plasma
Product: kwin
Version First 6.7.3
Reported In:
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: input
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: ---
DESCRIPTION
Sometimes, when selecting a text, then using primary-paste to paste it
elsewhere the result lacks some small part at the beginning. Most annoyingly it
happens when copy-pasting commands from browser to terminal, because you
immediately press "Enter", and then terminal says "invalid command" because the
beginning of the text got eaten by KWin.
Actually, it is a long-standing problem, which I remember to have seen ever
since I moved to Wayland from X11. But nobody (me included), it seems, have
reported it, because it's hard to reproduce on purpose. I found no pattern so
far (happens both with Wayland and XWayland apps, and I've just seen it
happening within a single app — copy-paste from tab to tab inside Qutebrowser).
It happens randomly, and re-selecting same text "fixes" it.
One pattern (which may or may not be a coincidence) I noticed: the "missing
part" seemingly depends on the selection style — if you selected
letter-by-letter (i.e. single-click + drag), it is a letter that is missing; if
you selected word-by-word (i.e. double-click + drag), it is the first word that
is missing. I can't remember if I've seen more than one letter or word to be
missing, so it may be an "off-by-one" error somewhere.
Sorry I haven't found reliable steps-to-reproduce, but please do tell if
there's any logs or experiments I could do here.
STEPS TO REPRODUCE
1. As mentioned it is random, but you just select a text (without explicitly
copying), then use middle mouse button to paste it elsewhere.
OBSERVED RESULT
The pasted text lacks a letter or a word at the beginning.
EXPECTED RESULT
The beginning of the pasted text matches whatever was selected.
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 6.7.3
KDE Frameworks Version: 6.28.0
Qt Version: 6.11.1
Kernel Version: 7.1.5-arch1-1 (64-bit)
Graphics Platform: Wayland
Processors: 12 × AMD Ryzen 5 7430U with Radeon Graphics
Memory: 16 GiB of RAM (15.0 GiB usable)
Graphics Processor: AMD Radeon Graphics
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