diff options
Diffstat (limited to 'src/qt/bitcoinamountfield.cpp')
-rw-r--r-- | src/qt/bitcoinamountfield.cpp | 83 |
1 files changed, 61 insertions, 22 deletions
diff --git a/src/qt/bitcoinamountfield.cpp b/src/qt/bitcoinamountfield.cpp index 68a9dc4c27..5854ade655 100644 --- a/src/qt/bitcoinamountfield.cpp +++ b/src/qt/bitcoinamountfield.cpp @@ -1,4 +1,4 @@ -// Copyright (c) 2011-2017 The Bitcoin Core developers +// Copyright (c) 2011-2018 The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. @@ -23,13 +23,11 @@ class AmountSpinBox: public QAbstractSpinBox public: explicit AmountSpinBox(QWidget *parent): - QAbstractSpinBox(parent), - currentUnit(BitcoinUnits::BTC), - singleStep(100000) // satoshis + QAbstractSpinBox(parent) { setAlignment(Qt::AlignRight); - connect(lineEdit(), SIGNAL(textEdited(QString)), this, SIGNAL(valueChanged())); + connect(lineEdit(), &QLineEdit::textEdited, this, &AmountSpinBox::valueChanged); } QValidator::State validate(QString &text, int &pos) const @@ -44,16 +42,25 @@ public: void fixup(QString &input) const { - bool valid = false; - CAmount val = parse(input, &valid); - if(valid) - { + bool valid; + CAmount val; + + if (input.isEmpty() && !m_allow_empty) { + valid = true; + val = m_min_amount; + } else { + valid = false; + val = parse(input, &valid); + } + + if (valid) { + val = qBound(m_min_amount, val, m_max_amount); input = BitcoinUnits::format(currentUnit, val, false, BitcoinUnits::separatorAlways); lineEdit()->setText(input); } } - CAmount value(bool *valid_out=0) const + CAmount value(bool *valid_out=nullptr) const { return parse(text(), valid_out); } @@ -64,12 +71,27 @@ public: Q_EMIT valueChanged(); } + void SetAllowEmpty(bool allow) + { + m_allow_empty = allow; + } + + void SetMinValue(const CAmount& value) + { + m_min_amount = value; + } + + void SetMaxValue(const CAmount& value) + { + m_max_amount = value; + } + void stepBy(int steps) { bool valid = false; CAmount val = value(&valid); val = val + steps * singleStep; - val = qMin(qMax(val, CAmount(0)), BitcoinUnits::maxMoney()); + val = qBound(m_min_amount, val, m_max_amount); setValue(val); } @@ -125,16 +147,19 @@ public: } private: - int currentUnit; - CAmount singleStep; + int currentUnit{BitcoinUnits::BTC}; + CAmount singleStep{CAmount(100000)}; // satoshis mutable QSize cachedMinimumSizeHint; + bool m_allow_empty{true}; + CAmount m_min_amount{CAmount(0)}; + CAmount m_max_amount{BitcoinUnits::maxMoney()}; /** * Parse a string into a number of base monetary units and * return validity. * @note Must return 0 if !valid. */ - CAmount parse(const QString &text, bool *valid_out=0) const + CAmount parse(const QString &text, bool *valid_out=nullptr) const { CAmount val = 0; bool valid = BitcoinUnits::parse(currentUnit, text, &val); @@ -171,14 +196,13 @@ protected: if (text().isEmpty()) // Allow step-up with empty field return StepUpEnabled; - StepEnabled rv = 0; + StepEnabled rv = StepNone; bool valid = false; CAmount val = value(&valid); - if(valid) - { - if(val > 0) + if (valid) { + if (val > m_min_amount) rv |= StepDownEnabled; - if(val < BitcoinUnits::maxMoney()) + if (val < m_max_amount) rv |= StepUpEnabled; } return rv; @@ -192,7 +216,7 @@ Q_SIGNALS: BitcoinAmountField::BitcoinAmountField(QWidget *parent) : QWidget(parent), - amount(0) + amount(nullptr) { amount = new AmountSpinBox(this); amount->setLocale(QLocale::c()); @@ -213,8 +237,8 @@ BitcoinAmountField::BitcoinAmountField(QWidget *parent) : setFocusProxy(amount); // If one if the widgets changes, the combined content changes as well - connect(amount, SIGNAL(valueChanged()), this, SIGNAL(valueChanged())); - connect(unit, SIGNAL(currentIndexChanged(int)), this, SLOT(unitChanged(int))); + connect(amount, &AmountSpinBox::valueChanged, this, &BitcoinAmountField::valueChanged); + connect(unit, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this, &BitcoinAmountField::unitChanged); // Set default based on configuration unitChanged(unit->currentIndex()); @@ -275,6 +299,21 @@ void BitcoinAmountField::setValue(const CAmount& value) amount->setValue(value); } +void BitcoinAmountField::SetAllowEmpty(bool allow) +{ + amount->SetAllowEmpty(allow); +} + +void BitcoinAmountField::SetMinValue(const CAmount& value) +{ + amount->SetMinValue(value); +} + +void BitcoinAmountField::SetMaxValue(const CAmount& value) +{ + amount->SetMaxValue(value); +} + void BitcoinAmountField::setReadOnly(bool fReadOnly) { amount->setReadOnly(fReadOnly); |