----- Original message ----- > On Thursday 01 July 2010 03:01:05 Diego Turcios wrote: > > Hi guys > > I thinks this is the right mailing list for my doubt. > > I am working on a small application in QT. But right now I have the > > following problem. > > I have a line edit, and I want to manipulate the values so only > numbers > > (doubles) can be written on this line edit. > > The right way to do this in Qt is to use a validator. Just write this > line in > the constructor of your dialog (after setting up the ui). > ui->LEPrecio->setValidator( new QDoubleValidator ); > > This way you are sure the user can only type a double. No need to do > any > check.
Note that Qt also has a QDoubleSpinBox, which is a suitable widget for entering double values. Regards, Bjorn _______________________________________________ Qt-creator mailing list [email protected] http://lists.trolltech.com/mailman/listinfo/qt-creator
