[Gambas-user] Buttons: Background and Foreground colors do not work.

[Gian]

With gb.qt4 and gb.qt4.ext components, Background and Foreground color 
of Buttons do not work.
They work with Qt Configuration setting on Cleanlooks or Plastique.
Regards
Gianluigi

[System]
Gambas=3.7.1
OperatingSystem=Linux
Kernel=3.13.0-49-generic
Architecture=x86_64
Distribution=Ubuntu 14.04.2 LTS
Desktop=GNOME
Theme=QGtk
Language=it_IT.UTF-8
Memory=4961M
[Libraries]
Cairo=libcairo.so.2.11301.0
Curl=libcurl.so.4.3.0
DBus=libdbus-1.so.3.7.6
GStreamer=libgstreamer-0.10.so.0.30.0
GStreamer=libgstreamer-1.0.so.0.204.0
GTK+3=libgtk-3.so.0.1000.8
GTK+=libgtk-x11-2.0.so.0.2400.23
OpenGL=libGL.so.1.2.0
Poppler=libpoppler.so.44.0.0
Qt4=libQtCore.so.4.8.6
SDL=libSDL-1.2.so.0.11.4