dev-qt/qtbase:6[concurrent,gui,widgets]

designer?
      ( dev-qt/qttools:6[designer] )

opengl?
      ( dev-qt/qtbase:6[opengl] virtual/opengl )

svg?
      ( dev-qt/qtsvg:6 )

qt5?
      ( dev-qt/qtconcurrent:5 dev-qt/qtcore:5 dev-qt/qtgui:5 dev-qt/qtprintsupport:5 dev-qt/qtwidgets:5 opengl?
            ( dev-qt/qtopengl:5 virtual/opengl )
       svg?
            ( dev-qt/qtsvg:5 )
       )

qt6?
      ( dev-qt/qtbase:6[concurrent,gui,widgets] designer?
            ( dev-qt/qttools:6[designer] )
       opengl?
            ( dev-qt/qtbase:6[opengl] virtual/opengl )
       svg?
            ( dev-qt/qtsvg:6 )
       )