https://bugs.kde.org/show_bug.cgi?id=374336

            Bug ID: 374336
           Summary: Incorrect tablet mapping in Krita after disabling or
                    enabling a secondary display
           Product: krita
           Version: 3.1.0
          Platform: Other
                OS: MS Windows
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: tablet support
          Assignee: krita-bugs-n...@kde.org
          Reporter: nevinevi...@yahoo.com
  Target Milestone: ---

This issue pertains to recent versions of Krita on Windows 10 64bit, using a
Wacom Intuos 5 L pen tablet.

When a secondary display is enabled or disabled *after Krita has been started*,
the pen mapping inside the program gets messed up (= there is no more 1:1
correspondence between the tablet and the cursor position on screen), only to
return back to normal either when:

1) The previous display configuration is restored;
2) Krita is restarted.

As this only occurs with Krita and not other programs in the same
configuration/OS I suspect that this issue has to do with the way pen tablet
management inside the program handles display mapping.


According to a Krita developer on IRC I consulted with before submitting this
bug, when the display configuration changes the [pen tablet] driver sends a
special event to all the applications and they should remap their input
accordingly. Krita used to process it but probably something changed after
porting it to Qt5.

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