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// Copyright (c) 2011-2020 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_QT_OPTIONSMODEL_H
#define BITCOIN_QT_OPTIONSMODEL_H
#include <amount.h>
#include <cstdint>
#include <qt/guiconstants.h>
#include <QAbstractListModel>
#include <assert.h>
namespace interfaces {
class Node;
}
extern const char *DEFAULT_GUI_PROXY_HOST;
static constexpr uint16_t DEFAULT_GUI_PROXY_PORT = 9050;
/**
* Convert configured prune target MiB to displayed GB. Round up to avoid underestimating max disk usage.
*/
static inline int PruneMiBtoGB(int64_t mib) { return (mib * 1024 * 1024 + GB_BYTES - 1) / GB_BYTES; }
/**
* Convert displayed prune target GB to configured MiB. Round down so roundtrip GB -> MiB -> GB conversion is stable.
*/
static inline int64_t PruneGBtoMiB(int gb) { return gb * GB_BYTES / 1024 / 1024; }
/** Interface from Qt to configuration data structure for Bitcoin client.
To Qt, the options are presented as a list with the different options
laid out vertically.
This can be changed to a tree once the settings become sufficiently
complex.
*/
class OptionsModel : public QAbstractListModel
{
Q_OBJECT
public:
explicit OptionsModel(QObject *parent = nullptr, bool resetSettings = false);
enum OptionID {
StartAtStartup, // bool
ShowTrayIcon, // bool
MinimizeToTray, // bool
MapPortUPnP, // bool
MapPortNatpmp, // bool
MinimizeOnClose, // bool
ProxyUse, // bool
ProxyIP, // QString
ProxyPort, // int
ProxyUseTor, // bool
ProxyIPTor, // QString
ProxyPortTor, // int
DisplayUnit, // BitcoinUnits::Unit
ThirdPartyTxUrls, // QString
Language, // QString
UseEmbeddedMonospacedFont, // bool
CoinControlFeatures, // bool
SubFeeFromAmount, // bool
ThreadsScriptVerif, // int
Prune, // bool
PruneSize, // int
DatabaseCache, // int
ExternalSignerPath, // QString
SpendZeroConfChange, // bool
Listen, // bool
OptionIDRowCount,
};
void Init(bool resetSettings = false);
void Reset();
int rowCount(const QModelIndex & parent = QModelIndex()) const override;
QVariant data(const QModelIndex & index, int role = Qt::DisplayRole) const override;
bool setData(const QModelIndex & index, const QVariant & value, int role = Qt::EditRole) override;
/** Updates current unit in memory, settings and emits displayUnitChanged(newUnit) signal */
void setDisplayUnit(const QVariant &value);
/* Explicit getters */
bool getShowTrayIcon() const { return m_show_tray_icon; }
bool getMinimizeToTray() const { return fMinimizeToTray; }
bool getMinimizeOnClose() const { return fMinimizeOnClose; }
int getDisplayUnit() const { return nDisplayUnit; }
QString getThirdPartyTxUrls() const { return strThirdPartyTxUrls; }
bool getUseEmbeddedMonospacedFont() const { return m_use_embedded_monospaced_font; }
bool getCoinControlFeatures() const { return fCoinControlFeatures; }
bool getSubFeeFromAmount() const { return m_sub_fee_from_amount; }
const QString& getOverriddenByCommandLine() { return strOverriddenByCommandLine; }
/* Explicit setters */
void SetPruneEnabled(bool prune, bool force = false);
void SetPruneTargetGB(int prune_target_gb, bool force = false);
/* Restart flag helper */
void setRestartRequired(bool fRequired);
bool isRestartRequired() const;
interfaces::Node& node() const { assert(m_node); return *m_node; }
void setNode(interfaces::Node& node) { assert(!m_node); m_node = &node; }
private:
interfaces::Node* m_node = nullptr;
/* Qt-only settings */
bool m_show_tray_icon;
bool fMinimizeToTray;
bool fMinimizeOnClose;
QString language;
int nDisplayUnit;
QString strThirdPartyTxUrls;
bool m_use_embedded_monospaced_font;
bool fCoinControlFeatures;
bool m_sub_fee_from_amount;
/* settings that were overridden by command-line */
QString strOverriddenByCommandLine;
// Add option to list of GUI options overridden through command line/config file
void addOverriddenOption(const std::string &option);
// Check settings version and upgrade default values if required
void checkAndMigrate();
Q_SIGNALS:
void displayUnitChanged(int unit);
void coinControlFeaturesChanged(bool);
void showTrayIconChanged(bool);
void useEmbeddedMonospacedFontChanged(bool);
};
#endif // BITCOIN_QT_OPTIONSMODEL_H
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