QDoubleValidator

[Zabin]

Hey!

I am new PyQt programmer and want to restrict users to allow only
numeric values into a table and lineedit boxes. I found the
QDoubleValidator class but am unsure as to how to implement it. (I am
a little shaky on the concept of parent and how to define them). Any
help would be much appreciated!

 

[Zabin]

Hey!

I am new PyQt programmer and want to restrict users to allow only
numeric values into a table and lineedit boxes. I found the
QDoubleValidator class but am unsure as to how to implement it. (I am
a little shaky on the concept of parent and how to define them). Any
help would be much appreciated!

I managed to get it going for the line edit- but am stuck with
checking a cell in a table as cells do not have the set validator
attribute- here's the code i had for the line edit:

self.ui.Thickness_datum.setValidator(QtGui.QDoubleValidator(-999.0,
999.0, 2, self.ui.Thickness_datum))

for the table i thought it would be:

self.ui.table_process.item(row,2).setValidator(QtGui.QDoubleValidator
(-999.0, 999.0, 2, self.ui.table_process.item(row,2)))

Any help would be appreciated

 

[John Posner]

You'll probably get more help in these Qt-specific forums:

http://lists.trolltech.com/mailman/listinfo/qt-interest

http://www.riverbankcomputing.com/mailman/listinfo/pyqt

Good luck,
John

 

[Helvin]

Zabin,

The QDoubleValidator class works, but it allows 'intermediate' values
to show in the widget. This problem has been addressed here:
http://qt.nokia.com/developer/faqs/faq.2006-05-15.0450651751, I just
tried to implement this in PyQt again, and it worked! =P

I've posted the working code here:
http://learnwithhelvin.blogspot.com/2010/01/qdoublevalidator.html

Helvin