ui_interface.h

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// Copyright (c) 2010 Satoshi Nakamoto
// Copyright (c) 2012-2016 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_UI_INTERFACE_H
#define BITCOIN_UI_INTERFACE_H
 
#include <stdint.h>
#include <string>
 
#include <boost/signals2/last_value.hpp>
#include <boost/signals2/signal.hpp>
 
class CBasicKeyStore;
class CWallet;
class uint256;
class CBlockIndex;
 
enum ChangeType
{
    CT_NEW,
    CT_UPDATED,
    CT_DELETED
};
 
class CClientUIInterface
{
public:
    enum MessageBoxFlags
    {
        ICON_INFORMATION    = 0,
        ICON_WARNING        = (1U << 0),
        ICON_ERROR          = (1U << 1),
        ICON_MASK = (ICON_INFORMATION | ICON_WARNING | ICON_ERROR),
 
        BTN_OK      = 0x00000400U, // QMessageBox::Ok
        BTN_YES     = 0x00004000U, // QMessageBox::Yes
        BTN_NO      = 0x00010000U, // QMessageBox::No
        BTN_ABORT   = 0x00040000U, // QMessageBox::Abort
        BTN_RETRY   = 0x00080000U, // QMessageBox::Retry
        BTN_IGNORE  = 0x00100000U, // QMessageBox::Ignore
        BTN_CLOSE   = 0x00200000U, // QMessageBox::Close
        BTN_CANCEL  = 0x00400000U, // QMessageBox::Cancel
        BTN_DISCARD = 0x00800000U, // QMessageBox::Discard
        BTN_HELP    = 0x01000000U, // QMessageBox::Help
        BTN_APPLY   = 0x02000000U, // QMessageBox::Apply
        BTN_RESET   = 0x04000000U, // QMessageBox::Reset
        BTN_MASK = (BTN_OK | BTN_YES | BTN_NO | BTN_ABORT | BTN_RETRY | BTN_IGNORE |
                    BTN_CLOSE | BTN_CANCEL | BTN_DISCARD | BTN_HELP | BTN_APPLY | BTN_RESET),
 
        MODAL               = 0x10000000U,
 
        SECURE              = 0x40000000U,
 
        MSG_INFORMATION = ICON_INFORMATION,
        MSG_WARNING = (ICON_WARNING | BTN_OK | MODAL),
        MSG_ERROR = (ICON_ERROR | BTN_OK | MODAL)
    };
 
    boost::signals2::signal<bool (const std::string& message, const std::string& caption, unsigned int style), boost::signals2::last_value<bool> > ThreadSafeMessageBox;
 
    boost::signals2::signal<bool (const std::string& message, const std::string& noninteractive_message, const std::string& caption, unsigned int style), boost::signals2::last_value<bool> > ThreadSafeQuestion;
 
    boost::signals2::signal<void (const std::string &message)> InitMessage;
 
    boost::signals2::signal<void (int newNumConnections)> NotifyNumConnectionsChanged;
 
    boost::signals2::signal<void (bool networkActive)> NotifyNetworkActiveChanged;
 
    boost::signals2::signal<void (const uint256 &hash, ChangeType status)> NotifyAlertChanged;
 
    boost::signals2::signal<void (CWallet* wallet)> LoadWallet;
 
    boost::signals2::signal<void (const std::string &title, int nProgress)> ShowProgress;
 
    boost::signals2::signal<void (bool, const CBlockIndex *)> NotifyBlockTip;
 
    boost::signals2::signal<void (bool, const CBlockIndex *)> NotifyHeaderTip;
 
    boost::signals2::signal<void (void)> BannedListChanged;
};
 
void InitWarning(const std::string& str);
 
bool InitError(const std::string& str);
 
std::string AmountHighWarn(const std::string& optname);
 
std::string AmountErrMsg(const char* const optname, const std::string& strValue);
 
extern CClientUIInterface uiInterface;
 
#endif // BITCOIN_UI_INTERFACE_H