[Bug 33558] New: WinEventHook receive no event notify about OBJID_CURSOR

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=33558

             Bug #: 33558
           Summary: WinEventHook receive no event notify about
                    OBJID_CURSOR
           Product: Wine
           Version: 1.5.29
          Platform: x86
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: user32
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: orzhvs at gmail.com
    Classification: Unclassified


Created attachment 44418
  --> http://bugs.winehq.org/attachment.cgi?id=44418
WINEDEBUG=+relay,+user32,+hook  LANG='zh_CN.utf-8' wine
/usr/local/vboxvm/vmshare/magnify/magnify.exe  2>&1 |grep -iE Win.*Event >
out.txt

There's a method to track mouse move by setting a WinEvent hook:
call SetWinEventHook with
eventMin=eventMax=EVENT_OBJECT_LOCATIONCHANGE(=0x800B) and provide a
WinEventProc
WinEventProc will be notified with event=EVENT_OBJECT_LOCATIONCHANGE
in case idObject=OBJID_CURSOR we know that mouse moved, then get cursor object
by  AccessibleObjectFromEvent and further information like the location of the
cursor.
But the fact is, no event with idObject=OBJID_CURSOR is sent in wine.

This is used in windows's zoom-in utility, it does not update frames with mouse
move in wine. To reproduce :
1. copy 'magnify.exe' 'mag_hook.dll' 'mfc42u.dll' from system32 directory of
windows, I used them from xpsp3.
2. run magnify.exe in wine
3. move mouse in and out the dialog, you will find the zoomed-in view updates
almost only when mouse is inside the dialog.

Note that we see frames update when mouse is inside the dialog, it's triggered
from WM_MOUESMOVE, there's no business of WinEvent, but when mouse is outside
there should be.
I saw several SetWinEvent calls successfully in log but no event notify.

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