https://bugs.kde.org/show_bug.cgi?id=443862

            Bug ID: 443862
           Summary: Position trace mishandles diagonal movements
           Product: systemsettings
           Version: 5.23.0
          Platform: Neon Packages
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: kcm_joystick
          Assignee: plasma-b...@kde.org
          Reporter: xnagyti...@gmail.com
  Target Milestone: ---

Created attachment 142517
  --> https://bugs.kde.org/attachment.cgi?id=142517&action=edit
Video of the bug

SUMMARY
The position trace at the Joystick KCM doesn't know the concept of diagonal
movements. When two joystick axis events arrive at the same time
(js_event->time) those events should be joined into a single [X,Y] coordinate
and not incorrectly handled as two separate axis-aligned events as the KCM
currently does.

This bug manifests itself as an ugly staircase-like pattern on the tracing
widget.

SOFTWARE/OS VERSIONS
Operating System: KDE neon 5.23
KDE Plasma Version: 5.23.0
KDE Frameworks Version: 5.87.0
Qt Version: 5.15.3

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