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-rw-r--r--src/qt/bitcoinamountfield.cpp67
1 files changed, 67 insertions, 0 deletions
diff --git a/src/qt/bitcoinamountfield.cpp b/src/qt/bitcoinamountfield.cpp
new file mode 100644
index 0000000000..e475441f13
--- /dev/null
+++ b/src/qt/bitcoinamountfield.cpp
@@ -0,0 +1,67 @@
+#include "bitcoinamountfield.h"
+
+#include <QLabel>
+#include <QLineEdit>
+#include <QRegExpValidator>
+#include <QHBoxLayout>
+#include <QKeyEvent>
+
+BitcoinAmountField::BitcoinAmountField(QWidget *parent):
+ QWidget(parent), amount(0), decimals(0)
+{
+ amount = new QLineEdit(this);
+ amount->setValidator(new QRegExpValidator(QRegExp("[0-9]+"), this));
+ amount->setAlignment(Qt::AlignRight|Qt::AlignVCenter);
+ amount->installEventFilter(this);
+ amount->setMaximumWidth(80);
+ decimals = new QLineEdit(this);
+ decimals->setValidator(new QRegExpValidator(QRegExp("[0-9]+"), this));
+ decimals->setMaxLength(8);
+ decimals->setAlignment(Qt::AlignLeft|Qt::AlignVCenter);
+ decimals->setMaximumWidth(75);
+
+ QHBoxLayout *layout = new QHBoxLayout(this);
+ layout->setSpacing(0);
+ layout->addWidget(amount);
+ layout->addWidget(new QLabel(QString(".")));
+ layout->addWidget(decimals);
+ layout->addStretch(1);
+
+ setFocusPolicy(Qt::TabFocus);
+ setLayout(layout);
+ setFocusProxy(amount);
+
+ // 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()));
+}
+
+void BitcoinAmountField::setText(const QString &text)
+{
+ const QStringList parts = text.split(QString("."));
+ if(parts.size() == 2)
+ {
+ amount->setText(parts[0]);
+ decimals->setText(parts[1]);
+ }
+}
+
+QString BitcoinAmountField::text() const
+{
+ return amount->text() + QString(".") + decimals->text();
+}
+
+// Intercept '.' and ',' keys, if pressed focus a specified widget
+bool BitcoinAmountField::eventFilter(QObject *object, QEvent *event)
+{
+ Q_UNUSED(object);
+ if(event->type() == QEvent::KeyPress)
+ {
+ QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
+ if(keyEvent->key() == Qt::Key_Period || keyEvent->key() == Qt::Key_Comma)
+ {
+ decimals->setFocus();
+ }
+ }
+ return false;
+}