https://bugs.kde.org/show_bug.cgi?id=481083
Bug ID: 481083
Summary: Erroneous clicks on click-and-drag when using
trackpoint buttons and clickpad at the same time.
Classification: Plasma
Product: kwin
Version: 5.27.10
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: libinput
Assignee: kwin-bugs-n...@kde.org
Reporter: thomas.s...@hey.com
Target Milestone: ---
SUMMARY
I'm using a Thinkpad 13 laptop which has both physical mouse buttons associated
with the trackpoint and a clickpad. I often use the buttons of the trackpoint
while directing the location of the pointer with the clickpad. If I click and
hold the physical left mouse button (associated with the TrackPoint), and drag
several times on the TrackPad, the Trackpad sends left mouse button release and
press events at the beginning of every drag. This makes it difficult to select
large regions of text, where multiple motions across the trackpad may be
required. Note that if I instead click and hold the trackpad button there will
not be repeated left button press and release events.
See also the analogous bug report in wlroots, and the merge request that fixes
it:
https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3665
https://gitlab.freedesktop.org/wlroots/wlroots/-/merge_requests/4185
STEPS TO REPRODUCE
1. Click and hold left button of trackpoint at start of desired selection
2. Move cursor using clickpad across part of the desired selection
3. Lift finger, retake, and continue moving cursor across the rest of the
selection
OBSERVED RESULT
The first part of selection (captured by step 2) is lost at the beginning of
step 3.
EXPECTED RESULT
Selection should continue from the position where the cursor started to where
it ended at the end of step 3.
SOFTWARE/OS VERSIONS
Windows:
macOS:
Linux/KDE Plasma:
(available in About System)
KDE Plasma Version: 5.27.10
KDE Frameworks Version:
Qt Version:
ADDITIONAL INFORMATION
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