Line data    Source code

       1             : // Copyright (c) 2011-2013 The Bitcoin Core developers
       2             : // Distributed under the MIT software license, see the accompanying
       3             : // file COPYING or http://www.opensource.org/licenses/mit-license.php.
       4             : 
       5             : #ifndef BITCOIN_QT_INTRO_H
       6             : #define BITCOIN_QT_INTRO_H
       7             : 
       8             : #include <QDialog>
       9             : #include <QMutex>
      10             : #include <QThread>
      11             : 
      12             : class FreespaceChecker;
      13             : 
      14             : namespace Ui {
      15             :     class Intro;
      16             : }
      17             : 
      18             : /** Introduction screen (pre-GUI startup).
      19             :   Allows the user to choose a data directory,
      20             :   in which the wallet and block chain will be stored.
      21             :  */
      22             : class Intro : public QDialog
      23             : {
      24           0 :     Q_OBJECT
      25             : 
      26             : public:
      27             :     explicit Intro(QWidget *parent = 0);
      28             :     ~Intro();
      29             : 
      30             :     QString getDataDirectory();
      31             :     void setDataDirectory(const QString &dataDir);
      32             : 
      33             :     /**
      34             :      * Determine data directory. Let the user choose if the current one doesn't exist.
      35             :      *
      36             :      * @note do NOT call global GetDataDir() before calling this function, this
      37             :      * will cause the wrong path to be cached.
      38             :      */
      39             :     static void pickDataDirectory();
      40             : 
      41             :     /**
      42             :      * Determine default data directory for operating system.
      43             :      */
      44             :     static QString getDefaultDataDirectory();
      45             : 
      46             : Q_SIGNALS:
      47             :     void requestCheck();
      48             :     void stopThread();
      49             : 
      50             : public Q_SLOTS:
      51             :     void setStatus(int status, const QString &message, quint64 bytesAvailable);
      52             : 
      53             : private Q_SLOTS:
      54             :     void on_dataDirectory_textChanged(const QString &arg1);
      55             :     void on_ellipsisButton_clicked();
      56             :     void on_dataDirDefault_clicked();
      57             :     void on_dataDirCustom_clicked();
      58             : 
      59             : private:
      60             :     Ui::Intro *ui;
      61             :     QThread *thread;
      62             :     QMutex mutex;
      63             :     bool signalled;
      64             :     QString pathToCheck;
      65             : 
      66             :     void startThread();
      67             :     void checkPath(const QString &dataDir);
      68             :     QString getPathToCheck();
      69             : 
      70             :     friend class FreespaceChecker;
      71             : };
      72             : 
      73             : #endif // BITCOIN_QT_INTRO_H