QValidator::State LengthValidator::validate(QString & qtext, int &) const
{
bool ok;
qtext.trimmed().toDouble(&ok);
if (qtext.isEmpty() || ok)
return QValidator::Acceptable;
string const text = fromqstr(qtext);
if (glue_length_) {
GlueLength gl;
return (isValidGlueLength(text, &gl)) ?
QValidator::Acceptable : QValidator::Intermediate;
}
Length l;
bool const valid_length = isValidLength(text, &l);
if (!valid_length)
return QValidator::Intermediate;
if (no_bottom_)
return QValidator::Acceptable;
return b_.inPixels(100) <= l.inPixels(100) ?
QValidator::Acceptable : QValidator::Intermediate;
}
Length::Length(string const & data)
: val_(0), unit_(Length::PT)
{
Length tmp;
if (!isValidLength(data, &tmp))
return; // should raise an exception
val_ = tmp.val_;
unit_ = tmp.unit_;
}
void lengthToWidgets(QLineEdit * input, LengthCombo * combo,
string const & len, Length::UNIT defaultUnit)
{
if (len.empty()) {
// no length (UNIT_NONE)
combo->setCurrentItem(defaultUnit);
input->setText("");
} else if (!isValidLength(len) && !isStrDbl(len)) {
// use input field only for gluelengths
combo->setCurrentItem(defaultUnit);
input->setText(toqstr(len));
} else {
lengthToWidgets(input, combo, Length(len), defaultUnit);
}
}
QValidator::State LengthValidator::validate(QString & qtext, int &) const
{
QLocale loc;
bool ok;
double d = loc.toDouble(qtext.trimmed(), &ok);
// QLocale::toDouble accepts something like "1."
// We don't.
bool dp = qtext.endsWith(loc.decimalPoint());
if (!ok) {
// Fall back to C
QLocale c(QLocale::C);
d = c.toDouble(qtext.trimmed(), &ok);
dp = qtext.endsWith(c.decimalPoint());
}
if (ok && unsigned_ && d < 0)
return QValidator::Invalid;
if (qtext.isEmpty() || (ok && !dp))
return QValidator::Acceptable;
string const text = fromqstr(qtext);
if (glue_length_) {
GlueLength gl;
if (unsigned_ && gl.len().value() < 0)
return QValidator::Invalid;
return (isValidGlueLength(text, &gl)) ?
QValidator::Acceptable : QValidator::Intermediate;
}
Length l;
bool const valid_length = isValidLength(text, &l);
if (!valid_length)
return QValidator::Intermediate;
if (no_bottom_)
return QValidator::Acceptable;
if (unsigned_ && l.value() < 0)
return QValidator::Invalid;
return b_.inPixels(100) <= l.inPixels(100) ?
QValidator::Acceptable : QValidator::Intermediate;
}
