New subject: [Bug 58994] Mouse-Enter Event seems to be broken in special cases

16 Nov 2025


      http://bugs.winehq.org/show_bug.cgi?id=58994
Bug ID: 58994
           Summary: Mouse-Enter Event seems to be broken in special cases
           Product: Wine
           Version: 10.19
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: wine-bugs@list.winehq.org
          Reporter: andreas.franz@arcor.de
      Distribution: ---
Created attachment 79716
  --> http://bugs.winehq.org/attachment.cgi?id=79716
Split, showing OSD
I've got a video-surveilance software, which has subareas (so-called "splits")
to display video from one or multiple cameras.
This splits should display an OSD if you enter them with the mouse. After first
start, everything is fine - but if you click on an OSD-button, OSD disappears
and doesn't come back if you enter your mouse again.
But *strange*: If you leave the app and activate some different app / focus e.
g. your file explorer - and you come back (still focused different app), OSD
appears on hovering the mouse into the split.
The app is the same like here (there's a description howto get and open a
standard MP4-file):
https://bugs.winehq.org/show_bug.cgi?id=58491
Any ideas to debug or collect informations?
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[Bug 58994] New: Mouse-Enter Event seems to be broken in special cases