[Bug 59098] New: The application windows of certain programs (Delphi?) completely disappear while changing tabs or layouts before then reappearing

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=59098

            Bug ID: 59098
           Summary: The application windows of certain programs (Delphi?)
                    completely disappear while changing tabs or layouts
                    before then reappearing
           Product: Wine
           Version: 10.17
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: wine-bugs(a)list.winehq.org
          Reporter: cayok52759(a)wivstore.com
      Distribution: ---

Since v10.17, certain programs have their application window completely
disappear and then reappear after changing to a different tab or layout within
the program. This might be something that's related to Delphi. For an example
of the problem, please download the TRichView control demo from
https://www.trichview.com/rvfiles/TRichViewDemosSetup.exe. After installing the
program, execute the file ActionTests/ScaleRichView/ActionTestUni.exe. Click
somewhere inside the application window so that the menu will display (this is
actually a separate bug from what is being reported here). From the File menu,
add a New file. The application window will now disappear before reappearing
with a new tab. Alternately switching between different tabs will also cause
the application window to disappear before reappearing. This behavior has only
happened since v10.17. And once the application window blinks out, the menu
will now only appear again after refreshing  the window by minimizing or
maximizing it. Individual menu items can also be made to appear by clicking
where a menu item should be. But the main issue that I'm reporting here is that
the whole window blinks out before reappearing again after certain functions
are done. This creates a somewhat jarring visual experience with the programs
that exhibit this behavior.

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[Bug 59098] The application windows of certain programs (Delphi?) completely disappear while changing tabs or layouts before then reappearing

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=59098

--- Comment #1 from Rafał Mużyło <galtgendo(a)o2.pl> ---
Have you retested with most recent wine (11.0_rc1) ?

In the last few weeks had quite a few changes that affect drawing (opengl
context handling, child window drawing, etc.), followed by fixes to those
changes, some of them as recent as this release.

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[Bug 59098] The application windows of certain programs (Delphi?) completely disappear while changing tabs or layouts before then reappearing

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=59098

--- Comment #2 from cayok <cayok52759(a)wivstore.com> ---
There's been no change in 11.0_rc1.

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