71 lines
2.3 KiB
C++
71 lines
2.3 KiB
C++
|
/*
|
||
|
|
* This file is part of the Flowee project
|
||
|
|
* Copyright (C) 2018 Tom Zander <tomz@freedommail.ch>
|
||
|
|
*
|
||
|
|
* This program is free software: you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License as published by
|
||
|
|
* the Free Software Foundation, either version 3 of the License, or
|
||
|
|
* (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
*/
|
||
|
|
#ifndef CALCULATOR_H
|
||
|
|
#define CALCULATOR_H
|
||
|
|
|
||
|
|
#include <QObject>
|
||
|
|
|
||
|
|
class Calculator : public QObject
|
||
|
|
{
|
||
|
|
Q_OBJECT
|
||
|
|
Q_PROPERTY(QString currentValue READ currentValue NOTIFY currentValueChanged)
|
||
|
|
Q_PROPERTY(QString totalValue READ totalValue NOTIFY totalValueChanged)
|
||
|
|
Q_PROPERTY(QStringList historic READ historicValues NOTIFY historicValuesChanged)
|
||
|
|
Q_PROPERTY(bool hasTotalValue READ hasTotalValue NOTIFY totalValueChanged)
|
||
|
|
Q_PROPERTY(int priceInCents READ priceInCents)
|
||
|
|
public:
|
||
|
|
explicit Calculator(QObject *parent = nullptr);
|
||
|
|
|
||
|
|
Q_INVOKABLE void addCharacter(const QString &character);
|
||
|
|
Q_INVOKABLE void addToTotal();
|
||
|
|
Q_INVOKABLE void startMultiplication();
|
||
|
|
Q_INVOKABLE void subtotalButtonPresssed();
|
||
|
|
Q_INVOKABLE void backspace();
|
||
|
|
Q_INVOKABLE void clearAll();
|
||
|
|
|
||
|
|
QString currentValue() const;
|
||
|
|
QString totalValue() const;
|
||
|
|
bool hasTotalValue() const;
|
||
|
|
|
||
|
|
QStringList historicValues() const;
|
||
|
|
|
||
|
|
int priceInCents() const;
|
||
|
|
|
||
|
|
signals:
|
||
|
|
void currentValueChanged();
|
||
|
|
void historicValuesChanged();
|
||
|
|
void totalValueChanged();
|
||
|
|
|
||
|
|
private:
|
||
|
|
int currentValueInt() const;
|
||
|
|
void addCurrentToHistory();
|
||
|
|
void calc();
|
||
|
|
|
||
|
|
QString m_amountOfCent;
|
||
|
|
int m_amountOfUnit = 0;
|
||
|
|
bool m_afterDecimal = false; // user typed the dot or comma, we are not editing the cents part
|
||
|
|
bool m_finalState = false; // user just pressed '='
|
||
|
|
bool m_inMultiplication = false;
|
||
|
|
int m_multiplier = 0;
|
||
|
|
int m_totalValue = 0; // in cents
|
||
|
|
QStringList m_history;
|
||
|
|
QString m_currencySeparator; // TODO make configurable
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif
|