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#ifndef BITCOINGUI_H
#define BITCOINGUI_H

#include <QMainWindow>
#include <QSystemTrayIcon>

class TransactionTableModel;
class ClientModel;
class WalletModel;
class TransactionView;
class OverviewPage;
class AddressBookPage;
class SendCoinsDialog;
class SignVerifyMessageDialog;
class Notificator;
class RPCConsole;

QT_BEGIN_NAMESPACE
class QLabel;
class QLineEdit;
class QTableView;
class QAbstractItemModel;
class QModelIndex;
class QProgressBar;
class QStackedWidget;
class QUrl;
QT_END_NAMESPACE

/**
Bitcoin GUI main class. This class represents the main window of the Bitcoin UI. It communicates with both the client and
wallet models to give the user an up-to-date view of the current core state.
*/
class BitcoinGUI : public QMainWindow
{
    Q_OBJECT
public:
    explicit BitcoinGUI(QWidget *parent = 0);
    ~BitcoinGUI();

    /** Set the client model.
The client model represents the part of the core that communicates with the P2P network, and is wallet-agnostic.
*/
    void setClientModel(ClientModel *clientModel);
    /** Set the wallet model.
The wallet model represents a bitcoin wallet, and offers access to the list of transactions, address book and sending
functionality.
*/
    void setWalletModel(WalletModel *walletModel);

protected:
    void changeEvent(QEvent *e);
    void closeEvent(QCloseEvent *event);
    void dragEnterEvent(QDragEnterEvent *event);
    void dropEvent(QDropEvent *event);
    bool eventFilter(QObject *object, QEvent *event);

private:
    ClientModel *clientModel;
    WalletModel *walletModel;

    QStackedWidget *centralWidget;

    OverviewPage *overviewPage;
    QWidget *transactionsPage;
    AddressBookPage *addressBookPage;
    AddressBookPage *receiveCoinsPage;
    SendCoinsDialog *sendCoinsPage;
    SignVerifyMessageDialog *signVerifyMessageDialog;

    QLabel *labelEncryptionIcon;
    QLabel *labelConnectionsIcon;
    QLabel *labelBlocksIcon;
    QLabel *progressBarLabel;
    QProgressBar *progressBar;

    QMenuBar *appMenuBar;
    QAction *overviewAction;
    QAction *historyAction;
    QAction *quitAction;
    QAction *sendCoinsAction;
    QAction *addressBookAction;
    QAction *signMessageAction;
    QAction *verifyMessageAction;
    QAction *aboutAction;
    QAction *receiveCoinsAction;
    QAction *optionsAction;
    QAction *toggleHideAction;
    QAction *exportAction;
    QAction *encryptWalletAction;
    QAction *backupWalletAction;
    QAction *changePassphraseAction;
    QAction *aboutQtAction;
    QAction *openRPCConsoleAction;

    QSystemTrayIcon *trayIcon;
    Notificator *notificator;
    TransactionView *transactionView;
    RPCConsole *rpcConsole;

    QMovie *syncIconMovie;

    /** Create the main UI actions. */
    void createActions();
    /** Create the menu bar and sub-menus. */
    void createMenuBar();
    /** Create the toolbars */
    void createToolBars();
    /** Create system tray (notification) icon */
    void createTrayIcon();

public slots:
    /** Set number of connections shown in the UI */
    void setNumConnections(int count);
    /** Set number of blocks shown in the UI */
    void setNumBlocks(int count, int nTotalBlocks);
    /** Set the encryption status as shown in the UI.
@param[in] status current encryption status
@see WalletModel::EncryptionStatus
*/
    void setEncryptionStatus(int status);

    /** Notify the user of an event from the core network or transaction handling code.
@param[in] title the message box / notification title
@param[in] message the displayed text
@param[in] modal true to use a message box, false to use a notification
@param[in] style style definitions (icon and used buttons - buttons only for message boxes)
@see CClientUIInterface::MessageBoxFlags
*/
    void message(const QString &title, const QString &message, bool modal, unsigned int style);
    /** Asks the user whether to pay the transaction fee or to cancel the transaction.
It is currently not possible to pass a return value to another thread through
BlockingQueuedConnection, so an indirected pointer is used.
https://bugreports.qt-project.org/browse/QTBUG-10440

@param[in] nFeeRequired the required fee
@param[out] payFee true to pay the fee, false to not pay the fee
*/
    void askFee(qint64 nFeeRequired, bool *payFee);
    void handleURI(QString strURI);

private slots:
    /** Switch to overview (home) page */
    void gotoOverviewPage();
    /** Switch to history (transactions) page */
    void gotoHistoryPage();
    /** Switch to address book page */
    void gotoAddressBookPage();
    /** Switch to receive coins page */
    void gotoReceiveCoinsPage();
    /** Switch to send coins page */
    void gotoSendCoinsPage();

    /** Show Sign/Verify Message dialog and switch to sign message tab */
    void gotoSignMessageTab(QString addr = "");
    /** Show Sign/Verify Message dialog and switch to verify message tab */
    void gotoVerifyMessageTab(QString addr = "");

    /** Show configuration dialog */
    void optionsClicked();
    /** Show about dialog */
    void aboutClicked();
#ifndef Q_OS_MAC
    /** Handle tray icon clicked */
    void trayIconActivated(QSystemTrayIcon::ActivationReason reason);
#endif
    /** Show incoming transaction notification for new transactions.

The new items are those between start and end inclusive, under the given parent item.
*/
    void incomingTransaction(const QModelIndex & parent, int start, int end);
    /** Encrypt the wallet */
    void encryptWallet(bool status);
    /** Backup the wallet */
    void backupWallet();
    /** Change encrypted wallet passphrase */
    void changePassphrase();
    /** Ask for passphrase to unlock wallet temporarily */
    void unlockWallet();

    /** Show window if hidden, unminimize when minimized, rise when obscured or show if hidden and fToggleHidden is true */
    void showNormalIfMinimized(bool fToggleHidden = false);
    /** Simply calls showNormalIfMinimized(true) for use in SLOT() macro */
    void toggleHidden();
};

#endif // BITCOINGUI_H
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