[Bug 45788] New: Mouse pointer is off from the visible cursor by huge margin in steam, when winecfg DPI is different from Xorg

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=45788

            Bug ID: 45788
           Summary: Mouse pointer is off from the visible cursor by huge
                    margin in steam, when winecfg DPI is different from
                    Xorg
           Product: Wine
           Version: 3.15
          Hardware: x86
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: user32
          Assignee: wine-bugs at winehq.org
          Reporter: iive at yahoo.com
                CC: julliard at winehq.org
   Regression SHA1: 910f3ed4daaac96842159cfeef0b64ed2e533ace
      Distribution: ---

After upgrading to wine-3.15 all Valve Steam UI elements were not activated
when I hover the mouse over them, but when the mouse cursor is about an inch
right and down from them.
I bisected the issue and got to:

---
commit 910f3ed4daaac96842159cfeef0b64ed2e533ace
Author: Alexandre Julliard <julliard at winehq.org>
Date:   Mon Aug 27 14:19:13 2018 +0200

    user32: Scale coordinates in Get/SetCursorPos() based on DPI awareness.
---


After seeing that it is DPI related remembered that I had tweaked
winecfg->graphics->screen_resolution and I had it set to 120dpi to make fonts
and UI elements bigger.
I restored the "buggy" build and set it to 96DPI that hid the issue.

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