Initial Vexta Core v0.1.0 release

src/qt/digibyteamountfield.h

@@ -0,0 +1,85 @@
+// Copyright (c) 2011-2018 The Bitcoin Core developers
+// Copyright (c) 2014-2020 The DigiByte Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef DIGIBYTE_QT_DIGIBYTEAMOUNTFIELD_H
+#define DIGIBYTE_QT_DIGIBYTEAMOUNTFIELD_H
+
+#include <amount.h>
+
+#include <QWidget>
+
+class AmountSpinBox;
+
+QT_BEGIN_NAMESPACE
+class QValueComboBox;
+QT_END_NAMESPACE
+
+/** Widget for entering Vexta amounts.
+  */
+class DigiByteAmountField: public QWidget
+{
+    Q_OBJECT
+
+    // ugly hack: for some unknown reason CAmount (instead of qint64) does not work here as expected
+    // discussion: https://github.com/digibyte/digibyte/pull/5117
+    Q_PROPERTY(qint64 value READ value WRITE setValue NOTIFY valueChanged USER true)
+
+public:
+    explicit DigiByteAmountField(QWidget *parent = nullptr);
+
+    CAmount value(bool *value=nullptr) const;
+    void setValue(const CAmount& value);
+
+    /** If allow empty is set to false the field will be set to the minimum allowed value if left empty. **/
+    void SetAllowEmpty(bool allow);
+
+    /** Set the minimum value in satoshis **/
+    void SetMinValue(const CAmount& value);
+
+    /** Set the maximum value in satoshis **/
+    void SetMaxValue(const CAmount& value);
+
+    /** Set single step in satoshis **/
+    void setSingleStep(const CAmount& step);
+
+    /** Make read-only **/
+    void setReadOnly(bool fReadOnly);
+
+    /** 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();
+
+    /** Enable/Disable. */
+    void setEnabled(bool fEnabled);
+
+    /** Qt messes up the tab chain by default in some cases (issue https://bugreports.qt-project.org/browse/QTBUG-10907),
+        in these cases we have to set it up manually.
+    */
+    QWidget *setupTabChain(QWidget *prev);
+
+Q_SIGNALS:
+    void valueChanged();
+
+protected:
+    /** Intercept focus-in event and ',' key presses */
+    bool eventFilter(QObject *object, QEvent *event) override;
+
+private:
+    AmountSpinBox *amount;
+    QValueComboBox *unit;
+
+private Q_SLOTS:
+    void unitChanged(int idx);
+
+};
+
+#endif // DIGIBYTE_QT_DIGIBYTEAMOUNTFIELD_H