Global MenuBar hidden in Qt applications after any dialog opens

[Alex Solanos]

This appears to happen only if the main application window is NOT fullscreen.

Confirmed in the following Qt applications:

Wallch, VLC and Qt Creator

Steps to reproduce:

1. Open the application
2. Exit fullscreen (unmaximize) if maximized
3. Open any application dialog through the menu or through a shortcut (e.g. Ctrl+P for Preferences dialog)
4. Close the dialog with any way.
5. Hover your mouse where the menu should be. The menu is now gone

Video demonstrating the problem: https://www.youtube.com/watch?v=QRpl1rM9gxM

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: unity-services 7.2.0+14.04.20140423-0ubuntu1.2
ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
Uname: Linux 3.13.0-24-generic x86_64
ApportVersion: 2.14.1-0ubuntu3
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CurrentDesktop: Unity
Date: Sat May 3 20:30:11 2014
ExecutablePath: /usr/lib/unity/unity-panel-service
InstallationDate: Installed on 2014-04-18 (15 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
SourcePackage: unity
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Huck-bernhard (huck-bernhard)]

Duplicate to Bug: 1302084 ?

https://bugs.launchpad.net/ubuntu/+source/appmenu-qt5/+bug/1302084

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.