[kde] [Bug 485193] New: Cursor flickers for an instant every time it switches

[bugzilla_noreply at kde.org]

https://bugs.kde.org/show_bug.cgi?id=485193

            Bug ID: 485193
           Summary: Cursor flickers for an instant every time it switches
    Classification: I don't know
           Product: kde
           Version: unspecified
          Platform: Manjaro
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: php4fan at gmail.com
  Target Milestone: ---

SUMMARY

(Almost) Every time you move the mouse cursor across any "edge" where the
cursor changes from a kind of pointer to another (e.g. between text caret and
arrow, between arrow and hand, etc), the cursor almost always "flickers" for a
tiny fraction of a second as if, for that instant, it had assumed a third form.

Most of the time this is purely aesthetic, but there are situations where this
is actually an inconvenience and becomes annoying. Consider when you are
looking for a draggable "edge" to resize some element of an UI. Sometimes, when
moving the cursor over a border, where the cursor changes from a kind of
indicator to another, you see this split-second flickering and you think that
you have actually hovered a draggable edge where the cursor became a "drag
edge" cursor, but it was just the flickering in the transition between two
different kinds of cursor, there was no third cursor type in the middle at all.
So you retry a couple of times until you figure out that's the case.

This is particularly evident within a browser, and I was going to report it to
Chrome, but then (1) I tested in other browsers and saw that it happens there
too, and (2) realized it happens in all kinds of applications or at the border
between applications.

STEPS TO REPRODUCE
1. Find a place on the screen where the cursor transitions between two kinds of
cursors, e.g. arrow vs text caret
2. move the cursor slowly, or not that slowly, forth and back across the
imaginary  (or visible) line that separates those regions

OBSERVED RESULT
When the cursor icon transitions from a given icon to another, there is a split
second, like a single frame, during which it acquires a third form.

EXPECTED RESULT
That should not occur.


SOFTWARE/OS VERSIONS
Operating System: Manjaro Linux 
KDE Plasma Version: 5.27.11
KDE Frameworks Version: 5.115.0
Qt Version: 5.15.12
Kernel Version: 6.6.19-1-MANJARO (64-bit)
Graphics Platform: X11
Processors: 12 × 12th Gen Intel® Core™ i7-1255U
Memory: 15.3 GiB of RAM
Graphics Processor: Mesa Intel® Graphics
Manufacturer: ASUSTeK COMPUTER INC.
Product Name: Vivobook_ASUSLaptop X1502ZA_F1502ZA
System Version: 1.0

ADDITIONAL INFORMATION

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