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Diffstat (limited to 'src/qt/bitcoinamountfield.cpp')
-rw-r--r--src/qt/bitcoinamountfield.cpp71
1 files changed, 65 insertions, 6 deletions
diff --git a/src/qt/bitcoinamountfield.cpp b/src/qt/bitcoinamountfield.cpp
index 330a7bfdef..7fe28f9a17 100644
--- a/src/qt/bitcoinamountfield.cpp
+++ b/src/qt/bitcoinamountfield.cpp
@@ -7,9 +7,10 @@
#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));
@@ -18,7 +19,6 @@ BitcoinAmountField::BitcoinAmountField(QWidget *parent):
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);
@@ -27,7 +27,9 @@ BitcoinAmountField::BitcoinAmountField(QWidget *parent):
layout->addWidget(amount);
layout->addWidget(new QLabel(QString(".")));
layout->addWidget(decimals);
- layout->addWidget(new QLabel(QString(" ") + BitcoinUnits::name(BitcoinUnits::BTC)));
+ unit = new QComboBox(this);
+ unit->setModel(new BitcoinUnits(this));
+ layout->addWidget(unit);
layout->addStretch(1);
layout->setContentsMargins(0,0,0,0);
@@ -39,6 +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)
@@ -72,17 +78,22 @@ bool BitcoinAmountField::validate()
}
if(!BitcoinUnits::parse(BitcoinUnits::BTC, text(), 0))
{
- amount->setValid(false);
- decimals->setValid(false);
+ 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();
}
@@ -111,3 +122,51 @@ 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);
+
+
+}