BUILD & INSTALL:qmakemakecopy scim-panel-dbus <your dir which scim-panel-gtk lives in>CONFIGURE:edit your scim's global config file,( it's /etc/scim/global in my box(Archlinux distro). )change this line:/DefaultPanelProgram = scim-panel-gtkinto:/DefaultPanelProgram = scim-panel-dbusreboot your system (or manually kill all scim related process)