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// Copyright (c) 2011-2019 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_INTRO_H
#define BITCOIN_QT_INTRO_H
#include <QDialog>
#include <QMutex>
#include <QThread>
static const bool DEFAULT_CHOOSE_DATADIR = false;
class FreespaceChecker;
namespace interfaces {
class Node;
}
namespace Ui {
class Intro;
}
/** Introduction screen (pre-GUI startup).
Allows the user to choose a data directory,
in which the wallet and block chain will be stored.
*/
class Intro : public QDialog
{
Q_OBJECT
public:
explicit Intro(QWidget *parent = nullptr,
int64_t blockchain_size_gb = 0, int64_t chain_state_size_gb = 0);
~Intro();
QString getDataDirectory();
void setDataDirectory(const QString &dataDir);
/**
* Determine data directory. Let the user choose if the current one doesn't exist.
* Let the user configure additional preferences such as pruning.
*
* @returns true if a data directory was selected, false if the user cancelled the selection
* dialog.
*
* @note do NOT call global GetDataDir() before calling this function, this
* will cause the wrong path to be cached.
*/
static bool showIfNeeded(bool& did_show_intro, bool& prune);
Q_SIGNALS:
void requestCheck();
public Q_SLOTS:
void setStatus(int status, const QString &message, quint64 bytesAvailable);
private Q_SLOTS:
void on_dataDirectory_textChanged(const QString &arg1);
void on_ellipsisButton_clicked();
void on_dataDirDefault_clicked();
void on_dataDirCustom_clicked();
private:
Ui::Intro *ui;
QThread *thread;
QMutex mutex;
bool signalled;
QString pathToCheck;
const int64_t m_blockchain_size_gb;
const int64_t m_chain_state_size_gb;
//! Total required space (in GB) depending on user choice (prune or not prune).
int64_t m_required_space_gb{0};
uint64_t m_bytes_available{0};
const int64_t m_prune_target_gb;
void startThread();
void checkPath(const QString &dataDir);
QString getPathToCheck();
void UpdatePruneLabels(bool prune_checked);
void UpdateFreeSpaceLabel();
friend class FreespaceChecker;
};
#endif // BITCOIN_QT_INTRO_H
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