Tested but unfortunately didn't help here :| this is a oneiric virtualbox installation with your ppa:
$ sudo dpkg -l | grep qt4 ii libqt4-dbus 4:4.7.4-0ubuntu8ppa2 Qt 4 D-Bus module ii libqt4-declarative 4:4.7.4-0ubuntu8ppa2 Qt 4 Declarative module ii libqt4-network 4:4.7.4-0ubuntu8ppa2 Qt 4 network module ii libqt4-opengl 4:4.7.4-0ubuntu8ppa2 Qt 4 OpenGL module ii libqt4-script 4:4.7.4-0ubuntu8ppa2 Qt 4 script module ii libqt4-sql 4:4.7.4-0ubuntu8ppa2 Qt 4 SQL module ii libqt4-sql-mysql 4:4.7.4-0ubuntu8ppa2 Qt 4 MySQL database driver ii libqt4-svg 4:4.7.4-0ubuntu8ppa2 Qt 4 SVG module ii libqt4-xml 4:4.7.4-0ubuntu8ppa2 Qt 4 XML module ii libqt4-xmlpatterns 4:4.7.4-0ubuntu8ppa2 Qt 4 XML patterns module
$ sudo dpkg -l | grep unity-2d ii libunity-2d-private0 4.12.0-0ubuntu1.1ppa1 Unity 2D shared library ii unity-2d 4.12.0-0ubuntu1.1ppa1 Unity interface for non-accelerated graphics cards ii unity-2d-launcher 4.12.0-0ubuntu1.1ppa1 Unity 2D Launcher ii unity-2d-panel 4.12.0-0ubuntu1.1ppa1 Unity 2D Panel ii unity-2d-places 4.12.0-0ubuntu1.1ppa1 Unity 2D Places ii unity-2d-spread 4.12.0-0ubuntu1.1ppa1 Unity 2D Spread
attached also a screencast, hope this help you
Tested but unfortunately didn't help here :|
this is a oneiric virtualbox installation with your ppa:
$ sudo dpkg -l | grep qt4 0ubuntu8ppa2 Qt 4 D-Bus module 0ubuntu8ppa2 Qt 4 Declarative module 0ubuntu8ppa2 Qt 4 network module 0ubuntu8ppa2 Qt 4 OpenGL module 0ubuntu8ppa2 Qt 4 script module 0ubuntu8ppa2 Qt 4 SQL module 0ubuntu8ppa2 Qt 4 MySQL database driver 0ubuntu8ppa2 Qt 4 SVG module 0ubuntu8ppa2 Qt 4 XML module 0ubuntu8ppa2 Qt 4 XML patterns module
ii libqt4-dbus 4:4.7.4-
ii libqt4-declarative 4:4.7.4-
ii libqt4-network 4:4.7.4-
ii libqt4-opengl 4:4.7.4-
ii libqt4-script 4:4.7.4-
ii libqt4-sql 4:4.7.4-
ii libqt4-sql-mysql 4:4.7.4-
ii libqt4-svg 4:4.7.4-
ii libqt4-xml 4:4.7.4-
ii libqt4-xmlpatterns 4:4.7.4-
$ sudo dpkg -l | grep unity-2d 2d-private0 4.12.0- 0ubuntu1. 1ppa1 Unity 2D shared library 0ubuntu1. 1ppa1 Unity interface for non-accelerated graphics cards 0ubuntu1. 1ppa1 Unity 2D Launcher 0ubuntu1. 1ppa1 Unity 2D Panel 0ubuntu1. 1ppa1 Unity 2D Places 0ubuntu1. 1ppa1 Unity 2D Spread
ii libunity-
ii unity-2d 4.12.0-
ii unity-2d-launcher 4.12.0-
ii unity-2d-panel 4.12.0-
ii unity-2d-places 4.12.0-
ii unity-2d-spread 4.12.0-
attached also a screencast, hope this help you