[Qt-interest] QDoubleValidator doesn't work on limits?

[Davor J.]

Yes... very stupid of me. Should have read that.
Thanks Constantin.
Davor

"Constantin Makshin" <cmakshin at gmail.com> wrote in message 
news:201006011556.11611.cmakshin at gmail.com...
> The documentation on QDoubleValidator::validate() function states that "If 
> notation() is ScientificNotation, and the input is not in the valid range, 
> Intermediate is returned. The value may yet become valid by changing the 
> exponent."
> So, in your case, when the exponent becomes too large, the number is still 
> treated as "more or less acceptable" in the hope the user will "fix" it.
>
> On Tuesday 01 June 2010 12:03:49 Davor J. wrote:
>> Can someone explain what is wrong with the following code using Qt4.6.2?
>>
>> #include <QtGui>
>> #include <limits>
>> int main(int argc, char *argv[])
>> {
>>     QApplication a(argc, argv);
>>     typedef std::numeric_limits<double> dLimit;
>>     QLineEdit *factorEdit = new QLineEdit();
>>     factorEdit->setValidator(new QDoubleValidator(-dLimit::max(),
>> dLimit::max(), 5, factorEdit));
>>     factorEdit->show();
>>     return a.exec();
>> }
>>
>> I can type "10e1815212121211818" and the validator approves it, although 
>> the
>> limit is approx 10e308?
>>
>> Regards,
>> Davor