[Bug 59396] New: Tabbed UI in proprietary IDE broken after update – tabs are shown as separate windows

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=59396

            Bug ID: 59396
           Summary: Tabbed UI in proprietary IDE broken after update –
                    tabs are shown as separate windows
           Product: Wine
           Version: 11.1
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Since a recent update of a proprietary Windows-based IDE from my
automation/control system vendor, the tabbed user interface no longer works
correctly when running under Wine.

Previously, the IDE displayed its editors and views as tabs within a single
main window (similar to applications like Visual Studio Code). After the
update, these tabs are now opened as separate top-level windows instead of
being embedded as tabs in the main application window.

This behavior only occurs when running the application with Wine. On native
Windows systems, the IDE still behaves correctly and shows tabs as expected.

Expected behavior:
Editors and views should be displayed as tabs within the main IDE window, as
before the update.

Actual behavior:
Each tab is opened as an individual window, breaking the intended tabbed
workflow and making the IDE difficult to use.

Regression:
Yes. The tabbed interface worked correctly with earlier versions of the IDE
under Wine. The issue appeared immediately after the vendor updated the
application.

Additional notes:

The application is proprietary, so source code is not available.

The issue seems related to how the updated IDE handles tabbed/docked windows or
window embedding under Wine.


Environment:

Wine version: v11.1

Wine architecture: win64 / win32

Distribution: arch linux

Desktop environment / window manager: kde plasma

Application version: proprietary ide for control systems

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[Bug 59396] Tabbed UI in proprietary IDE broken after update – tabs are shown as separate windows

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=59396

--- Comment #1 from [e-mail] ---
Created attachment 80358
  --> http://bugs.winehq.org/attachment.cgi?id=80358
Actual-Issue

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