FancyLineEdit: Take validator into account
FancyLineEdit: Take validator into account

Take validator into account (if set) when checking validity
of the input.

Change-Id: Ieec7249aff50cf419833693dcf33fb241e4c044a
Reviewed-by: Daniel Teske <d8a411aec9a206efedb4d45b75fe8d13f1e2b628@digia.com>

xianian/qt-creator,AltarBeastiful/qt-creator,Distrotech/qtcreator,danimo/qt-creator,Distrotech/qtcreator,AltarBeastiful/qt-creator,martyone/sailfish-qtcreator,AltarBeastiful/qt-creator,AltarBeastiful/qt-creator,kuba1/qtcreator,amyvmiwei/qt-creator,kuba1/qtcreator,amyvmiwei/qt-creator,amyvmiwei/qt-creator,martyone/sailfish-qtcreator,kuba1/qtcreator,kuba1/qtcreator,kuba1/qtcreator,farseerri/git_code,Distrotech/qtcreator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,xianian/qt-creator,kuba1/qtcreator,farseerri/git_code,amyvmiwei/qt-creator,martyone/sailfish-qtcreator,AltarBeastiful/qt-creator,Distrotech/qtcreator,danimo/qt-creator,xianian/qt-creator,AltarBeastiful/qt-creator,danimo/qt-creator,amyvmiwei/qt-creator,danimo/qt-creator,Distrotech/qtcreator,martyone/sailfish-qtcreator,danimo/qt-creator,farseerri/git_code,danimo/qt-creator,kuba1/qtcreator,xianian/qt-creator,farseerri/git_code,Distrotech/qtcreator,danimo/qt-creator,amyvmiwei/qt-creator,Distrotech/qtcreator,xianian/qt-creator,kuba1/qtcreator,farseerri/git_code,farseerri/git_code,xianian/qt-creator,kuba1/qtcreator,farseerri/git_code,AltarBeastiful/qt-creator,amyvmiwei/qt-creator,martyone/sailfish-qtcreator,xianian/qt-creator,danimo/qt-creator,danimo/qt-creator,amyvmiwei/qt-creator,martyone/sailfish-qtcreator,farseerri/git_code,AltarBeastiful/qt-creator,xianian/qt-creator,martyone/sailfish-qtcreator,xianian/qt-creator