[Bug 58876] New: Windowed applications cannot be minimized in virtual desktop

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=58876

Bug ID: 58876
           Summary: Windowed applications cannot be minimized in virtual
                    desktop
           Product: Wine
           Version: unspecified
          Hardware: x86-64
                OS: Linux
            Status: NEW
          Keywords: regression
          Severity: normal
          Priority: P2
         Component: winex11.drv
          Assignee: [e-mail]
          Reporter: [e-mail]
                CC: [e-mail]
   Regression SHA1: 606d2f48bf8149bf45153f11ef3501eece20762c
      Distribution: ---

To reproduce:
Launch notepad in a virtual desktop, click the minimize button: a ghost window
remains painted on the desktop which cannot be accessed.

Doesn't happen in full screen mode and reverting
606d2f48bf8149bf45153f11ef3501eece20762c
fixes the problem in virtual desktop mode.

Tested on
X.Org X Server 1.21.1.18
XFCE/XFWM 4.20 (no compositor)
wine-10.17-164-g606d2f48bf8