lbrycrd/src/qt/bitcoinamountfield.h
2011-12-21 22:33:19 +01:00

60 lines
1.4 KiB
C++

#ifndef BITCOINFIELD_H
#define BITCOINFIELD_H
#include <QWidget>
QT_BEGIN_NAMESPACE
class QDoubleSpinBox;
class QValueComboBox;
QT_END_NAMESPACE
/** Widget for entering bitcoin amounts.
*/
class BitcoinAmountField: public QWidget
{
Q_OBJECT
Q_PROPERTY(qint64 value READ value WRITE setValue NOTIFY textChanged USER true)
public:
explicit BitcoinAmountField(QWidget *parent = 0);
qint64 value(bool *valid=0) const;
void setValue(qint64 value);
/** Mark current value as invalid in UI. */
void setValid(bool valid);
/** Perform input validation, mark field as invalid if entered value is not valid. */
bool validate();
/** Change unit used to display amount. */
void setDisplayUnit(int unit);
/** Make field empty and ready for new input. */
void clear();
/** Qt messes up the tab chain by default in some cases (issue http://bugreports.qt.nokia.com/browse/QTBUG-10907),
in these cases we have to set it up manually.
*/
QWidget *setupTabChain(QWidget *prev);
signals:
void textChanged();
protected:
/** Intercept focus-in event and ',' keypresses */
bool eventFilter(QObject *object, QEvent *event);
private:
QDoubleSpinBox *amount;
QValueComboBox *unit;
int currentUnit;
void setText(const QString &text);
QString text() const;
private slots:
void unitChanged(int idx);
};
#endif // BITCOINFIELD_H