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#include "numericspinbox.h"
#include "common/unused.h"
#include <QLineEdit>
#include <QVariant>
#include <QDebug>
NumericSpinBox::NumericSpinBox(QWidget *parent) :
QAbstractSpinBox(parent)
{
connect(lineEdit(), &QLineEdit::textChanged, this, &NumericSpinBox::valueEdited);
}
void NumericSpinBox::stepBy(int steps)
{
if (isReadOnly())
return;
switch (value.userType())
{
case QVariant::Double:
stepDoubleBy(steps);
break;
case QVariant::Int:
case QVariant::LongLong:
stepIntBy(steps);
break;
default:
break;
}
updateText();
}
QValidator::State NumericSpinBox::validate(QString& input, int& pos) const
{
UNUSED(input);
UNUSED(pos);
if (strict)
return validateStrict(input, pos);
return QValidator::Acceptable;
}
void NumericSpinBox::stepIntBy(int steps)
{
qint64 intVal = value.toLongLong();
intVal += steps;
value = intVal;
emit modified();
}
void NumericSpinBox::stepDoubleBy(int steps)
{
double doubleVal = value.toDouble();
doubleVal += steps;
value = doubleVal;
emit modified();
}
void NumericSpinBox::updateText()
{
lineEdit()->setText(value.toString());
}
QValidator::State NumericSpinBox::validateStrict(QString& input, int& pos) const
{
if (input.trimmed().isEmpty())
return allowEmpty ? QValidator::Acceptable : QValidator::Invalid;
QIntValidator vint;
if (vint.validate(input, pos) != QValidator::Invalid)
return QValidator::Acceptable;
QDoubleValidator dint;
if (dint.validate(input, pos) != QValidator::Invalid)
return QValidator::Acceptable;
return QValidator::Invalid;
}
bool NumericSpinBox::getAllowEmpty() const
{
return allowEmpty;
}
void NumericSpinBox::setAllowEmpty(bool value)
{
allowEmpty = value;
}
bool NumericSpinBox::isStrict() const
{
return strict;
}
void NumericSpinBox::setStrict(bool value, bool allowEmpty)
{
strict = value;
this->allowEmpty = allowEmpty;
}
void NumericSpinBox::valueEdited(const QString& value)
{
setValueInternal(value);
emit modified();
}
QAbstractSpinBox::StepEnabled NumericSpinBox::stepEnabled() const
{
return StepDownEnabled|StepUpEnabled;
}
QVariant NumericSpinBox::getFixedVariant(const QVariant& value)
{
if (allowEmpty)
{
if (value.userType() == QVariant::String && value.toString().isEmpty() && !value.isNull())
return "";
if (value.isNull())
return QString();
}
bool ok;
qint64 longVal = value.toLongLong(&ok);
if (ok)
return longVal;
return value.toDouble();
}
void NumericSpinBox::setValueInternal(const QVariant& newValue)
{
switch (newValue.userType())
{
case QVariant::String:
value = getFixedVariant(newValue);
break;
case QVariant::Double:
case QVariant::Int:
case QVariant::LongLong:
value = newValue;
break;
default:
value = 0;
}
}
QVariant NumericSpinBox::getValue() const
{
return value;
}
void NumericSpinBox::setValue(const QVariant& newValue, bool nullAsZero)
{
setValueInternal(newValue);
if (!nullAsZero && newValue.isNull())
value = newValue;
updateText();
}
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