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EspoSpinBox has better input algorithm

This commit is contained in:
Chris Esposito 2018-09-17 12:01:17 +10:00
parent bd0e618a45
commit 0b7f1218f9
2 changed files with 57 additions and 1 deletions
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52
Desktop_Interface/ui_elements/espospinbox.cpp
View File

@ -9,26 +9,32 @@ QString espoSpinBox::textFromValue(double value) const{
QString windowText;
if (value == 0){
QTextStream(&windowText) << value;
lastValidValue = value;
return windowText;
}
if (value >= 1000000){
QTextStream(&windowText) << value/1000000 << "M";
lastValidValue = value;
return windowText;
}
if (value >= 1000){
QTextStream(&windowText) << value/1000 << "k";
lastValidValue = value;
return windowText;
}
if (value >= 1){
QTextStream(&windowText) << value;
lastValidValue = value;
return windowText;
}
if (value >= 1/1000){
QTextStream(&windowText) << value * 1000 << "m";
lastValidValue = value;
return windowText;
}
if (value >= 1/1000000){
QTextStream(&windowText) << value * 1000000 << "u";
lastValidValue = value;
return windowText;
}
return "invalid";
@ -51,3 +57,49 @@ void espoSpinBox::changeStepping(double value){
roundval = (roundval == 0) ? 0.1 : roundval/10;
setSingleStep(roundval);
}
QValidator::State espoSpinBox::validate(QString& text, int& pos) const
{
prefixLength = pos;
return QValidator::State::Acceptable;
}
double espoSpinBox::valueFromText(const QString &text) const
{
double ret;
bool isValid;
qDebug() << text.mid(0, prefixLength - 1) << text.at(prefixLength - 1).toLatin1();
switch (text.at(prefixLength - 1).toLatin1())
{
case 'M':
ret = text.mid(0, prefixLength - 1).toDouble(&isValid) * 1000000;
break;
case 'k':
ret = text.mid(0, prefixLength - 1).toDouble(&isValid) * 1000;
break;
case 'm':
ret = text.mid(0, prefixLength - 1).toDouble(&isValid) / 1000;
break;
case 'u':
ret = text.mid(0, prefixLength - 1).toDouble(&isValid) / 1000000;
break;
default:
ret = text.mid(0, prefixLength).toDouble(&isValid);
}
if (isValid)
{
return ret;
}
else
{
qDebug() << "espoSpinBox: warning: invalid text input." << "Defaulting to last known good value of" << lastValidValue;
return lastValidValue;
}
}

6
Desktop_Interface/ui_elements/espospinbox.h
View File

@ -15,8 +15,12 @@ class espoSpinBox : public QDoubleSpinBox
Q_OBJECT
public:
explicit espoSpinBox(QWidget *parent = 0);
QValidator::State validate(QString& text, int& pos) const override;
private:
QString textFromValue(double value) const;
QString textFromValue(double value) const override;
double valueFromText(const QString &text) const override;
mutable int prefixLength = -1;
mutable double lastValidValue = -1;
signals:
public slots: