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