diff options
Diffstat (limited to 'src/qt/bitcoinamountfield.cpp')
-rw-r--r-- | src/qt/bitcoinamountfield.cpp | 79 |
1 files changed, 74 insertions, 5 deletions
diff --git a/src/qt/bitcoinamountfield.cpp b/src/qt/bitcoinamountfield.cpp index b312b9792e..f1b4e9fdc3 100644 --- a/src/qt/bitcoinamountfield.cpp +++ b/src/qt/bitcoinamountfield.cpp @@ -1,23 +1,24 @@ #include "bitcoinamountfield.h" #include "qvalidatedlineedit.h" +#include "bitcoinunits.h" #include <QLabel> #include <QLineEdit> #include <QRegExpValidator> #include <QHBoxLayout> #include <QKeyEvent> +#include <QComboBox> BitcoinAmountField::BitcoinAmountField(QWidget *parent): - QWidget(parent), amount(0), decimals(0) + QWidget(parent), amount(0), decimals(0), currentUnit(-1) { amount = new QValidatedLineEdit(this); - amount->setValidator(new QRegExpValidator(QRegExp("[0-9]?"), this)); + amount->setValidator(new QRegExpValidator(QRegExp("[0-9]*"), this)); amount->setAlignment(Qt::AlignRight|Qt::AlignVCenter); amount->installEventFilter(this); amount->setMaximumWidth(100); decimals = new QValidatedLineEdit(this); decimals->setValidator(new QRegExpValidator(QRegExp("[0-9]+"), this)); - decimals->setMaxLength(8); decimals->setAlignment(Qt::AlignLeft|Qt::AlignVCenter); decimals->setMaximumWidth(75); @@ -26,7 +27,9 @@ BitcoinAmountField::BitcoinAmountField(QWidget *parent): layout->addWidget(amount); layout->addWidget(new QLabel(QString("."))); layout->addWidget(decimals); - layout->addWidget(new QLabel(QString(" BTC"))); + unit = new QComboBox(this); + unit->setModel(new BitcoinUnits(this)); + layout->addWidget(unit); layout->addStretch(1); layout->setContentsMargins(0,0,0,0); @@ -38,6 +41,10 @@ BitcoinAmountField::BitcoinAmountField(QWidget *parent): // If one if the widgets changes, the combined content changes as well connect(amount, SIGNAL(textChanged(QString)), this, SIGNAL(textChanged())); connect(decimals, SIGNAL(textChanged(QString)), this, SIGNAL(textChanged())); + connect(unit, SIGNAL(currentIndexChanged(int)), this, SLOT(unitChanged(int))); + + // TODO: set default based on configuration + unitChanged(unit->currentIndex()); } void BitcoinAmountField::setText(const QString &text) @@ -59,6 +66,8 @@ void BitcoinAmountField::clear() { amount->clear(); decimals->clear(); + // TODO: set default based on configuration + unit->setCurrentIndex(0); } bool BitcoinAmountField::validate() @@ -69,12 +78,24 @@ bool BitcoinAmountField::validate() decimals->setValid(false); valid = false; } + if(!BitcoinUnits::parse(BitcoinUnits::BTC, text(), 0)) + { + setValid(false); + valid = false; + } + return valid; } +void BitcoinAmountField::setValid(bool valid) +{ + amount->setValid(valid); + decimals->setValid(valid); +} + QString BitcoinAmountField::text() const { - if(decimals->text().isEmpty()) + if(decimals->text().isEmpty() && amount->text().isEmpty()) { return QString(); } @@ -103,3 +124,51 @@ QWidget *BitcoinAmountField::setupTabChain(QWidget *prev) QWidget::setTabOrder(amount, decimals); return decimals; } + +qint64 BitcoinAmountField::value(bool *valid_out) const +{ + qint64 val_out = 0; + bool valid = BitcoinUnits::parse(currentUnit, text(), &val_out); + if(valid_out) + { + *valid_out = valid; + } + return val_out; +} + +void BitcoinAmountField::setValue(qint64 value) +{ + setText(BitcoinUnits::format(currentUnit, value)); +} + +void BitcoinAmountField::unitChanged(int idx) +{ + // Use description tooltip for current unit for the combobox + unit->setToolTip(unit->itemData(idx, Qt::ToolTipRole).toString()); + + // Determine new unit ID + int newUnit = unit->itemData(idx, BitcoinUnits::UnitRole).toInt(); + + // Parse current value and convert to new unit + bool valid = false; + qint64 currentValue = value(&valid); + + currentUnit = newUnit; + + // Set max length after retrieving the value, to prevent truncation + amount->setMaxLength(BitcoinUnits::amountDigits(currentUnit)); + decimals->setMaxLength(BitcoinUnits::decimals(currentUnit)); + + if(valid) + { + setValue(currentValue); + } + else + { + // If current value is invalid, just clear field + setText(""); + } + setValid(true); + + +} |