hi, guys

When i run the example of softkey example, i got some erros


/Qt/qtcreator-2.0.1/softkey/mainwindow.cpp:111: error: `WindowSoftkeysRespondHint' is not a member of `Qt'

/Qt/qtcreator-2.0.1/softkey/mainwindow.cpp:112: error: `WindowSoftkeysVisibleHint' is not a member of `Qt'

/Qt/qtcreator-2.0.1/softkey/mainwindow.cpp:113: error: `WindowSoftkeysRespondHint' is not a member of `Qt'

/Qt/qtcreator-2.0.1/softkey/mainwindow.cpp:117: error: `WindowSoftkeysVisibleHint' is not a member of `Qt'

/Qt/qtcreator-2.0.1/softkey/mainwindow.cpp:118: error: `WindowSoftkeysVisibleHint' is not a member of `Qt'

/Qt/qtcreator-2.0.1/softkey/mainwindow.cpp:119: error: `WindowSoftkeysRespondHint' is not a member of `Qt'

/Qt/qtcreator-2.0.1/softkey/mainwindow.cpp:124: error: `/Qt/qtcreator-2.0.1/softkey/mainwindow.cpp:111: error: `WindowSoftkeysRespondHint' is not a member of `Qt'

/Qt/qtcreator-2.0.1/softkey/mainwindow.cpp:112: error: `WindowSoftkeysVisibleHint' is not a member of `Qt'

/Qt/qtcreator-2.0.1/softkey/mainwindow.cpp:113: error: `WindowSoftkeysRespondHint' is not a member of `Qt'

/Qt/qtcreator-2.0.1/softkey/mainwindow.cpp:117: error: `WindowSoftkeysVisibleHint' is not a member of `Qt'

/Qt/qtcreator-2.0.1/softkey/mainwindow.cpp:118: error: `WindowSoftkeysVisibleHint' is not a member of `Qt'

/Qt/qtcreator-2.0.1/softkey/mainwindow.cpp:119: error: `WindowSoftkeysRespondHint' is not a member of `Qt'

/Qt/qtcreator-2.0.1/softkey/mainwindow.cpp:124: error: `WindowSoftkeysVisibleHint' is not a member of `Qt'

/Qt/qtcreator-2.0.1/softkey/mainwindow.cpp:125: error: `WindowSoftkeysRespondHint' is not a member of `Qt'' is not a member of `Qt'

/Qt/qtcreator-2.0.1/softkey/mainwindow.cpp:125: error: `WindowSoftkeysRespondHint' is not a member of `Qt'


I search the qt help doc in qt creator, but i can not find the WindowSoftkeysVisibleHint

does anyone know why ?

plz help me.