r1

src/qt/intro.h

@@ -0,0 +1,80 @@
+// Copyright (c) 2011-2013 The Bitcoin developers
+// Copyright (c) 2017-2018 The PIVX developers
+// Distributed under the MIT/X11 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 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 = 0);
+    ~Intro();
+
+    QString getDataDirectory();
+    void setDataDirectory(const QString& dataDir);
+
+    /**
+     * Determine data directory. Let the user choose if the current one doesn't exist.
+     *
+     * @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 pickDataDirectory();
+
+    /**
+     * Determine default data directory for operating system.
+     */
+    static QString getDefaultDataDirectory();
+
+signals:
+    void requestCheck();
+    void stopThread();
+
+public slots:
+    void setStatus(int status, const QString& message, quint64 bytesAvailable);
+
+private 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;
+
+    void startThread();
+    void checkPath(const QString& dataDir);
+    QString getPathToCheck();
+
+    friend class FreespaceChecker;
+};
+
+#endif // BITCOIN_QT_INTRO_H