[Bug 47171] New: Mouse moving down on vertical movements

https://bugs.winehq.org/show_bug.cgi?id=47171

Bug ID: 47171
           Summary: Mouse moving down on vertical movements
           Product: Wine-staging
           Version: 4.7
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
                CC: [e-mail], [e-mail]
      Distribution: ---

Notes:

* When using wine-stable or wine-development this bug does not occur, only
wine-staging.
* The bug happens in the game watch dogs but does not occur in watch dogs 2.
* Did not see anything related to mouse in the logs, but can provide if needed.

Summary:

It seems like mouse movements are reported with an offset towards "down";
* Moving the mouse horizontally works correctly
* Moving the mouse down, makes the cursor move down very fast
* Moving the mouse up slowly, makes the cursor move down
* Moving the mouse up very fast, makes the cursor move up slowly

How to reproduce:

* Create a new prefix
* Install Uplay + steam + watch dogs
* Start watch dogs
* In the menus and in game, move your mouse vertically:
** Cursor will move down fast
** Only sliding mouse very quickly up will have the cursor move correctly
upwards