text: /*
   * Qt4 bitcoin GUI.
   *
   * W.J. van der Laan 2011-2012
   * The Bitcoin Developers 2011-2012
   */
  #include "bitcoingui.h"
  #include "transactiontablemodel.h"
  #include "addressbookpage.h"
  #include "messagepage.h"
  #include "sendcoinsdialog.h"
  #include "signverifymessagedialog.h"
  #include "optionsdialog.h"
  #include "aboutdialog.h"
  #include "clientmodel.h"
  #include "walletmodel.h"
  #include "messagemodel.h"
  #include "editaddressdialog.h"
  #include "optionsmodel.h"
  #include "transactiondescdialog.h"
  #include "addresstablemodel.h"
  #include "transactionview.h"
  #include "overviewpage.h"
  #include "statisticspage.h"
  #include "blockbrowser.h"
  #include "marketbrowser.h"
  #include "masternodemanager.h"
  #include "darksend.h"
  #include "mintingview.h"
  #include "multisigdialog.h"
  #include "bitcoinunits.h"
  #include "guiconstants.h"
  #include "askpassphrasedialog.h"
  #include "notificator.h"
  #include "guiutil.h"
  #include "rpcconsole.h"
  #include "wallet.h"
  
  #ifdef Q_OS_MAC
  #include "macdockiconhandler.h"
  #endif
  
  #include <QApplication>
  #include <QMainWindow>
  #include <QMenuBar>
  #include <QMenu>
  #include <QIcon>
  #include <QTabWidget>
  #include <QVBoxLayout>
  #include <QToolBar>
  #include <QStatusBar>
  #include <QLabel>
  #include <QLineEdit>
  #include <QPushButton>
  #include <QLocale>
  #include <QMessageBox>
  #include <QMimeData>
  #include <QProgressBar>
  #include <QStackedWidget>
  #include <QDateTime>
  #include <QMovie>
  #include <QFileDialog>
  #include <QDesktopServices>
  #include <QTimer>
  #include <QDragEnterEvent>
  #include <QUrl>
  #include <QStyle>
  #include <QStyleFactory>
  #include <QTextStream>
  #include <QTextDocument>
  
  #include <iostream>
  
  extern CWallet* pwalletMain;
  extern int64_t nLastCoinStakeSearchInterval;
  double GetPoSKernelPS();
  
  #define VERTICAL_TOOBAR_STYLESHEET "QToolBar {\
  border:none;\
  height:100%;\
  padding-top:20px;\
  text-align: left;\
  }\
  QToolButton {\
  min-width:180px;\
  background-color: transparent;\
  border: 1px solid #707070;\
  border-radius: 3px;\
  margin: 3px;\
  padding-left: 5px;\
  /*padding-right:50px;*/\
  padding-top:5px;\
  width:100%;\
  text-align: left;\
  padding-bottom:5px;\
  }\
  QToolButton:pressed {\
  background-color: #31363B;\
  border: 1px solid silver;\
  }\
  QToolButton:hover {\
  background-color: #31363B;\
  border: 1px solid #707070;\
  }"
  #define HORIZONTAL_TOOLBAR_STYLESHEET "QToolBar {\
      border: 1px solid #707070;\
      background: 1px solid #31363B;\
      font-weight: bold;\
  }"
  
  ActiveLabel::ActiveLabel(const QString & text, QWidget * parent):
      QLabel(parent){}
  
  void ActiveLabel::mouseReleaseEvent(QMouseEvent * event)
  {
      emit clicked();
  }
  
  
  BitcoinGUI::BitcoinGUI(QWidget *parent):
      QMainWindow(parent),
      clientModel(0),
      walletModel(0),
      encryptWalletAction(0),
      changePassphraseAction(0),
      unlockWalletAction(0),
      lockWalletAction(0),
      aboutQtAction(0),
      trayIcon(0),
      notificator(0),
      rpcConsole(0),
      nWeight(0),
      prevBlocks(0),
      spinnerFrame(0),
      nBlocksInLastPeriod(0),
      nLastBlocks(0)
  {
      resize(1300, 400);
      setWindowTitle(tr("Bzlcoin") + " - " + tr("Wallet"));
  #ifndef Q_OS_MAC
      qApp->setWindowIcon(QIcon(":icons/bzlcoin"));
      setWindowIcon(QIcon(":icons/bzlcoin"));
  #else
      setUnifiedTitleAndToolBarOnMac(true);
      QApplication::setAttribute(Qt::AA_DontShowIconsInMenus);
  #endif
  
      // TODO: Theme switching :)
      QFile f(":qdarkstyle/style.qss");
      if (f.exists())
      {
          f.open(QFile::ReadOnly | QFile::Text);
          QTextStream ts(&f);
          qApp->setStyleSheet(ts.readAll());
      }
      else
          QApplication::setStyle(QStyleFactory::create("Fusion"));
  
      // Accept D&D of URIs
      setAcceptDrops(true);
  
      // Create actions for the toolbar, menu bar and tray/dock icon
      createActions();
  
      // Create application menu bar
      createMenuBar();
  
      // Create the toolbars
      createToolBars();
  
      // Create the tray icon (or setup the dock icon)
      createTrayIcon();
  
      // Create tabs
      overviewPage = new OverviewPage();
  	statisticsPage = new StatisticsPage(this);
  	blockBrowser = new BlockBrowser(this);
      marketBrowser = new MarketBrowser(this);
  	multisigPage = new MultisigDialog(this);
  	//chatWindow = new ChatWindow(this);
  
  
      transactionsPage = new QWidget(this);
      QVBoxLayout *vbox = new QVBoxLayout();
      transactionView = new TransactionView(this);
      vbox->addWidget(transactionView);
      transactionsPage->setLayout(vbox);
  
  	mintingPage = new QWidget(this);
      QVBoxLayout *vboxMinting = new QVBoxLayout();
      mintingView = new MintingView(this);
      vboxMinting->addWidget(mintingView);
      mintingPage->setLayout(vboxMinting);
  
      addressBookPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::SendingTab);
  
      receiveCoinsPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::ReceivingTab);
  
      sendCoinsPage = new SendCoinsDialog(this);
      messagePage = new MessagePage(this);
  
      masternodeManagerPage = new MasternodeManager(this);
  
      signVerifyMessageDialog = new SignVerifyMessageDialog(this);
  
      centralWidget = new QStackedWidget(this);
      centralWidget->addWidget(overviewPage);
      centralWidget->addWidget(transactionsPage);
  	centralWidget->addWidget(mintingPage);
      centralWidget->addWidget(addressBookPage);
      centralWidget->addWidget(receiveCoinsPage);
      centralWidget->addWidget(sendCoinsPage);
      centralWidget->addWidget(messagePage);
  	centralWidget->addWidget(statisticsPage);
  	centralWidget->addWidget(blockBrowser);
      centralWidget->addWidget(masternodeManagerPage);
  	centralWidget->addWidget(marketBrowser);
  
  	//centralWidget->addWidget(chatWindow);
      setCentralWidget(centralWidget);
  
      // Create status bar
      statusBar();
  
      // Status bar notification icons
      QFrame *frameBlocks = new QFrame();
      frameBlocks->setContentsMargins(0,0,0,0);
      frameBlocks->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Preferred);
      QHBoxLayout *frameBlocksLayout = new QHBoxLayout(frameBlocks);
      frameBlocksLayout->setContentsMargins(3,0,3,0);
      frameBlocksLayout->setSpacing(3);
      labelEncryptionIcon = new ActiveLabel();
  
      labelStakingIcon = new QLabel();
      labelConnectionsIcon = new QLabel();
      labelBlocksIcon = new QLabel();
      frameBlocksLayout->addStretch();
      frameBlocksLayout->addWidget(labelEncryptionIcon);
      frameBlocksLayout->addStretch();
      frameBlocksLayout->addWidget(labelStakingIcon);
      frameBlocksLayout->addStretch();
      frameBlocksLayout->addWidget(labelConnectionsIcon);
      frameBlocksLayout->addStretch();
      frameBlocksLayout->addWidget(labelBlocksIcon);
      frameBlocksLayout->addStretch();
  
      if (GetBoolArg("-staking", true))
      {
          QTimer *timerStakingIcon = new QTimer(labelStakingIcon);
          connect(timerStakingIcon, SIGNAL(timeout()), this, SLOT(updateStakingIcon()));
          timerStakingIcon->start(30 * 1000);
          updateStakingIcon();
      }
  
      connect(labelEncryptionIcon, SIGNAL(clicked()), unlockWalletAction, SLOT(trigger()));
  
      // Progress bar and label for blocks download
      progressBarLabel = new QLabel();
      progressBarLabel->setVisible(false);
      progressBar = new QProgressBar();
      progressBar->setAlignment(Qt::AlignCenter);
      progressBar->setVisible(false);
  
      // Override style sheet for progress bar for styles that have a segmented progress bar,
      // as they make the text unreadable (workaround for issue #1071)
      // See https://qt-project.org/doc/qt-4.8/gallery.html
      QString curStyle = qApp->style()->metaObject()->className();
      if(curStyle == "QWindowsStyle" || curStyle == "QWindowsXPStyle")
      {
          progressBar->setStyleSheet("QProgressBar { background-color: #e8e8e8; border: 1px solid grey; border-radius: 7px; padding: 1px; text-align: center; } QProgressBar::chunk { background: QLinearGradient(x1: 0, y1: 0, x2: 1, y2: 0, stop: 0 #FF8000, stop: 1 orange); border-radius: 7px; margin: 0px; }");
      }
  
      statusBar()->addWidget(progressBarLabel);
      statusBar()->addWidget(progressBar);
      statusBar()->addPermanentWidget(frameBlocks);
  
      // Clicking on a transaction on the overview page simply sends you to transaction history page
      connect(overviewPage, SIGNAL(transactionClicked(QModelIndex)), this, SLOT(gotoHistoryPage()));
      connect(overviewPage, SIGNAL(transactionClicked(QModelIndex)), transactionView, SLOT(focusTransaction(QModelIndex)));
  
      // Double-clicking on a transaction on the transaction history page shows details
      connect(transactionView, SIGNAL(doubleClicked(QModelIndex)), transactionView, SLOT(showDetails()));
  
      rpcConsole = new RPCConsole(this);
      connect(openRPCConsoleAction, SIGNAL(triggered()), rpcConsole, SLOT(show()));
  
      // Clicking on "Verify Message" in the address book sends you to the verify message tab
      connect(addressBookPage, SIGNAL(verifyMessage(QString)), this, SLOT(gotoVerifyMessageTab(QString)));
      // Clicking on "Sign Message" in the receive coins page sends you to the sign message tab
      connect(receiveCoinsPage, SIGNAL(signMessage(QString)), this, SLOT(gotoSignMessageTab(QString)));
  
      gotoOverviewPage();
  }
  
  BitcoinGUI::~BitcoinGUI()
  {
      if(trayIcon) // Hide tray icon, as deleting will let it linger until quit (on Ubuntu)
          trayIcon->hide();
  #ifdef Q_OS_MAC
      delete appMenuBar;
  #endif
  }
  
  void BitcoinGUI::createActions()
  {
      QActionGroup *tabGroup = new QActionGroup(this);
  
      overviewAction = new QAction(QIcon(":/icons/overview"), tr("&Overview"), this);
      overviewAction->setToolTip(tr("Show general overview of wallet"));
      overviewAction->setCheckable(true);
      overviewAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_1));
      tabGroup->addAction(overviewAction);
  
  	statisticsAction = new QAction(QIcon(":/icons/statistics"), tr("&Statistics"), this);
      statisticsAction->setToolTip(tr("View statistics"));
      statisticsAction->setCheckable(true);
      tabGroup->addAction(statisticsAction);
  
  	blockAction = new QAction(QIcon(":/icons/block"), tr("&Block Explorer"), this);
      blockAction->setToolTip(tr("Explore the Bzlcoin Blockchain"));
      blockAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_6));
      blockAction->setCheckable(true);
      tabGroup->addAction(blockAction);
  
  	marketAction = new QAction(QIcon(":/icons/mark"), tr("&Market"), this);
      marketAction->setToolTip(tr("Market Data"));
      marketAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_7));
      marketAction->setCheckable(true);
      tabGroup->addAction(marketAction);
  
  	//chatAction = new QAction(QIcon(":/icons/msg"), tr("&Social"), this);
      //chatAction->setToolTip(tr("View chat"));
      //chatAction->setCheckable(true);
      //tabGroup->addAction(chatAction);
  
      sendCoinsAction = new QAction(QIcon(":/icons/send"), tr("&Send coins"), this);
      sendCoinsAction->setToolTip(tr("Send coins to a Bzlcoin address"));
      sendCoinsAction->setCheckable(true);
      sendCoinsAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_2));
      tabGroup->addAction(sendCoinsAction);
  
      receiveCoinsAction = new QAction(QIcon(":/icons/receiving_addresses"), tr("&Receive coins"), this);
      receiveCoinsAction->setToolTip(tr("Show the list of addresses for receiving payments"));
      receiveCoinsAction->setCheckable(true);
      receiveCoinsAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_3));
      tabGroup->addAction(receiveCoinsAction);
  
      historyAction = new QAction(QIcon(":/icons/history"), tr("&Transactions"), this);
      historyAction->setToolTip(tr("Browse transaction history"));
      historyAction->setCheckable(true);
      historyAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_4));
      tabGroup->addAction(historyAction);
  
      addressBookAction = new QAction(QIcon(":/icons/address-book"), tr("&Address Book"), this);
      addressBookAction->setToolTip(tr("Edit the list of stored addresses and labels"));
      addressBookAction->setCheckable(true);
      addressBookAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_5));
      tabGroup->addAction(addressBookAction);
  
      messageAction = new QAction(QIcon(":/icons/msg"), tr("&Messages"), this);
      messageAction->setToolTip(tr("View and Send Encrypted messages"));
      messageAction->setCheckable(true);
      messageAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_8));
      tabGroup->addAction(messageAction);
  
  	mintingAction = new QAction(QIcon(":/icons/stake"), tr("&Staking"), this);
      mintingAction->setToolTip(tr("Show your staking capacity"));
      mintingAction->setCheckable(true);
      mintingAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_9));
      tabGroup->addAction(mintingAction);
  
      masternodeManagerAction = new QAction(QIcon(":/icons/mn"), tr("&Masternodes"), this);
      masternodeManagerAction->setToolTip(tr("Show Bzlcoin Masternodes status and configure your nodes."));
      masternodeManagerAction->setCheckable(true);
      tabGroup->addAction(masternodeManagerAction);
      	
  	multisigAction = new QAction(QIcon(":/icons/multi"), tr("Multisig"), this);
      tabGroup->addAction(multisigAction);
  
      connect(overviewAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
      connect(overviewAction, SIGNAL(triggered()), this, SLOT(gotoOverviewPage()));
  	connect(blockAction, SIGNAL(triggered()), this, SLOT(gotoBlockBrowser()));
  	connect(statisticsAction, SIGNAL(triggered()), this, SLOT(gotoStatisticsPage()));
  	connect(marketAction, SIGNAL(triggered()), this, SLOT(gotoMarketBrowser()));
  	//connect(chatAction, SIGNAL(triggered()), this, SLOT(gotoChatPage()));
      connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
      connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(gotoSendCoinsPage()));
      connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
      connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(gotoReceiveCoinsPage()));
  	connect(mintingAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
      connect(mintingAction, SIGNAL(triggered()), this, SLOT(gotoMintingPage()));
      connect(masternodeManagerAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
      connect(masternodeManagerAction, SIGNAL(triggered()), this, SLOT(gotoMasternodeManagerPage()));
      connect(historyAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
      connect(historyAction, SIGNAL(triggered()), this, SLOT(gotoHistoryPage()));
      connect(addressBookAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
      connect(addressBookAction, SIGNAL(triggered()), this, SLOT(gotoAddressBookPage()));
      connect(messageAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
      connect(messageAction, SIGNAL(triggered()), this, SLOT(gotoMessagePage()));
  	connect(multisigAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
      connect(multisigAction, SIGNAL(triggered()), this, SLOT(gotoMultisigPage()));
      quitAction = new QAction(QIcon(":/icons/quit"), tr("E&xit"), this);
      quitAction->setToolTip(tr("Quit application"));
      quitAction->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
      quitAction->setMenuRole(QAction::QuitRole);
      aboutAction = new QAction(QIcon(":/icons/bitcoin"), tr("&About Bzlcoin"), this);
      aboutAction->setToolTip(tr("Show information about Bzlcoin"));
      aboutAction->setMenuRole(QAction::AboutRole);
      aboutQtAction = new QAction(QIcon(":/trolltech/qmessagebox/images/qtlogo-64.png"), tr("About &Qt"), this);
      aboutQtAction->setToolTip(tr("Show information about Qt"));
      aboutQtAction->setMenuRole(QAction::AboutQtRole);
      optionsAction = new QAction(QIcon(":/icons/options"), tr("&Options..."), this);
      optionsAction->setToolTip(tr("Modify configuration options for Bzlcoin"));
      optionsAction->setMenuRole(QAction::PreferencesRole);
      toggleHideAction = new QAction(QIcon(":/icons/bitcoin"), tr("&Show / Hide"), this);
      encryptWalletAction = new QAction(QIcon(":/icons/lock_closed"), tr("&Encrypt Wallet..."), this);
      encryptWalletAction->setToolTip(tr("Encrypt or decrypt wallet"));
      encryptWalletAction->setCheckable(true);
      backupWalletAction = new QAction(QIcon(":/icons/filesave"), tr("&Backup Wallet..."), this);
      backupWalletAction->setToolTip(tr("Backup wallet to another location"));
      changePassphraseAction = new QAction(QIcon(":/icons/key"), tr("&Change Passphrase..."), this);
      changePassphraseAction->setToolTip(tr("Change the passphrase used for wallet encryption"));
      unlockWalletAction = new QAction(QIcon(":/icons/lock_open"), tr("&Unlock Wallet..."), this);
      unlockWalletAction->setToolTip(tr("Unlock wallet"));
      lockWalletAction = new QAction(QIcon(":/icons/lock_closed"), tr("&Lock Wallet"), this);
      lockWalletAction->setToolTip(tr("Lock wallet"));
      signMessageAction = new QAction(QIcon(":/icons/edit"), tr("Sign &message..."), this);
      verifyMessageAction = new QAction(QIcon(":/icons/transaction_0"), tr("&Verify message..."), this);
  
      exportAction = new QAction(QIcon(":/icons/export"), tr("&Export..."), this);
      exportAction->setToolTip(tr("Export the data in the current tab to a file"));
      openRPCConsoleAction = new QAction(QIcon(":/icons/debugwindow"), tr("&Debug window"), this);
      openRPCConsoleAction->setToolTip(tr("Open debugging and diagnostic console"));
  
  	openInfoAction = new QAction(QApplication::style()->standardIcon(QStyle::SP_MessageBoxInformation), tr("&Information"), this);
      openInfoAction->setStatusTip(tr("Show diagnostic information"));
      openGraphAction = new QAction(QIcon(":/icons/connect_4"), tr("&Network Monitor"), this);
      openGraphAction->setStatusTip(tr("Show network monitor"));
      openConfEditorAction = new QAction(QIcon(":/icons/edit"), tr("Open Wallet &Configuration File"), this);
      openConfEditorAction->setStatusTip(tr("Open configuration file"));
      openMNConfEditorAction = new QAction(QIcon(":/icons/edit"), tr("Open &Masternode Configuration File"), this);
      openMNConfEditorAction->setStatusTip(tr("Open Masternode configuration file"));
  
      connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
      connect(aboutAction, SIGNAL(triggered()), this, SLOT(aboutClicked()));
      connect(aboutQtAction, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
      connect(optionsAction, SIGNAL(triggered()), this, SLOT(optionsClicked()));
      connect(toggleHideAction, SIGNAL(triggered()), this, SLOT(toggleHidden()));
      connect(encryptWalletAction, SIGNAL(triggered(bool)), this, SLOT(encryptWallet(bool)));
      connect(backupWalletAction, SIGNAL(triggered()), this, SLOT(backupWallet()));
      connect(changePassphraseAction, SIGNAL(triggered()), this, SLOT(changePassphrase()));
      connect(unlockWalletAction, SIGNAL(triggered()), this, SLOT(unlockWallet()));
      connect(lockWalletAction, SIGNAL(triggered()), this, SLOT(lockWallet()));
      connect(signMessageAction, SIGNAL(triggered()), this, SLOT(gotoSignMessageTab()));
      connect(verifyMessageAction, SIGNAL(triggered()), this, SLOT(gotoVerifyMessageTab()));
  
  	// Jump directly to tabs in RPC-console
      connect(openInfoAction, SIGNAL(triggered()), this, SLOT(showInfo()));
      connect(openRPCConsoleAction, SIGNAL(triggered()), this, SLOT(showConsole()));
      connect(openGraphAction, SIGNAL(triggered()), this, SLOT(showGraph()));
  
      // Open configs from menu
      connect(openConfEditorAction, SIGNAL(triggered()), this, SLOT(showConfEditor()));
      connect(openMNConfEditorAction, SIGNAL(triggered()), this, SLOT(showMNConfEditor()));
  
  }
  
  void BitcoinGUI::createMenuBar()
  {
  #ifdef Q_OS_MAC
      // Create a decoupled menu bar on Mac which stays even if the window is closed
      appMenuBar = new QMenuBar();
  #else
      // Get the main window's menu bar on other platforms
      appMenuBar = menuBar();
  #endif
  
      // Configure the menus
      QMenu *file = appMenuBar->addMenu(tr("&File"));
      file->addAction(exportAction);
  	file->addAction(multisigAction);
      file->addAction(signMessageAction);
      file->addAction(verifyMessageAction);
      file->addSeparator();
      file->addAction(quitAction);
  
      QMenu *settings = appMenuBar->addMenu(tr("&Settings"));
      settings->addAction(encryptWalletAction);
      settings->addAction(backupWalletAction);
      settings->addAction(changePassphraseAction);
      settings->addAction(unlockWalletAction);
      settings->addAction(lockWalletAction);
      settings->addSeparator();
      settings->addAction(optionsAction);
  
    	QMenu *tools = appMenuBar->addMenu(tr("&Tools"));
    	tools->addAction(openInfoAction);
    	tools->addAction(openRPCConsoleAction);
    	tools->addAction(openGraphAction);
    	tools->addSeparator();
    	tools->addAction(openConfEditorAction);
      tools->addAction(openMNConfEditorAction);
      QMenu *help = appMenuBar->addMenu(tr("&Help"));
      help->addAction(openRPCConsoleAction);
      help->addSeparator();
      help->addAction(aboutAction);
      help->addAction(aboutQtAction);
  }
  
  void BitcoinGUI::createToolBars()
  {
  
      mainIcon = new QLabel (this);
      mainIcon->setPixmap(QPixmap(":images/vertical"));
      mainIcon->show();
  
      mainToolbar = addToolBar(tr("Tabs toolbar"));
      mainToolbar->setToolButtonStyle(Qt::ToolButtonTextUnderIcon);
      mainToolbar->addWidget(mainIcon);
      mainToolbar->addAction(overviewAction);
      mainToolbar->addAction(sendCoinsAction);
      mainToolbar->addAction(receiveCoinsAction);
      mainToolbar->addAction(historyAction);
      mainToolbar->addAction(mintingAction);
      mainToolbar->addAction(addressBookAction);
      mainToolbar->addAction(messageAction);
      mainToolbar->addAction(statisticsAction);
      mainToolbar->addAction(blockAction);
      mainToolbar->addAction(masternodeManagerAction);
      mainToolbar->addAction(marketAction);
      secondaryToolbar = addToolBar(tr("Actions toolbar"));
      secondaryToolbar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
      secondaryToolbar->addAction(exportAction);
      secondaryToolbar->addSeparator();
      secondaryToolbar->addAction(openRPCConsoleAction);
      secondaryToolbar->addAction(openGraphAction);
      secondaryToolbar->addSeparator();
      secondaryToolbar->addAction(lockWalletAction);
      secondaryToolbar->addAction(unlockWalletAction);
      secondaryToolbar->addAction(encryptWalletAction);
      secondaryToolbar->addAction(changePassphraseAction);
      secondaryToolbar->addSeparator();
      removeToolBar(secondaryToolbar);
      addToolBar(Qt::BottomToolBarArea, secondaryToolbar);
      secondaryToolbar->show();
  
      connect(mainToolbar,      SIGNAL(orientationChanged(Qt::Orientation)), this, SLOT(mainToolbarOrientation(Qt::Orientation)));
      connect(secondaryToolbar, SIGNAL(orientationChanged(Qt::Orientation)), this, SLOT(secondaryToolbarOrientation(Qt::Orientation)));
      mainToolbarOrientation(mainToolbar->orientation());
      secondaryToolbarOrientation(secondaryToolbar->orientation());
  }
  
  /*void BitcoinGUI::checkTOU()
  {
      bool agreed_to_tou = false;
      boost::filesystem::path pathDebug = GetDataDir() / ".agreed_to_tou";
      if (FILE *file = fopen(pathDebug.string().c_str(), "r")) {
          file=file;
          fclose(file);
          agreed_to_tou = true;
      }
  
      if(!agreed_to_tou){
          TermsOfUse dlg(this);
          dlg.exec();
      }
  }
  */
  void BitcoinGUI::setClientModel(ClientModel *clientModel)
  {
      this->clientModel = clientModel;
      if(clientModel)
      {
          // Replace some strings and icons, when using the testnet
          if(clientModel->isTestNet())
          {
              setWindowTitle(windowTitle() + QString(" ") + tr("[testnet]"));
  #ifndef Q_OS_MAC
              qApp->setWindowIcon(QIcon(":icons/bitcoin_testnet"));
              setWindowIcon(QIcon(":icons/bitcoin_testnet"));
  #else
              MacDockIconHandler::instance()->setIcon(QIcon(":icons/bitcoin_testnet"));
  #endif
              if(trayIcon)
              {
                  trayIcon->setToolTip(tr("Bzlcoin client") + QString(" ") + tr("[testnet]"));
                  trayIcon->setIcon(QIcon(":/icons/toolbar_testnet"));
                  toggleHideAction->setIcon(QIcon(":/icons/toolbar_testnet"));
              }
  
              aboutAction->setIcon(QIcon(":/icons/toolbar_testnet"));
          }
  
          // Keep up to date with client
          setNumConnections(clientModel->getNumConnections());
          connect(clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
  
  
          nClientUpdateTime = GetTime();
          setNumBlocks(clientModel->getNumBlocks(), clientModel->getNumBlocksOfPeers());
          connect(clientModel, SIGNAL(numBlocksChanged(int,int)), this, SLOT(setNumBlocks(int,int)));
  
          // Report errors from network/worker thread
          connect(clientModel, SIGNAL(error(QString,QString,bool)), this, SLOT(error(QString,QString,bool)));
  
          rpcConsole->setClientModel(clientModel);
          addressBookPage->setOptionsModel(clientModel->getOptionsModel());
          receiveCoinsPage->setOptionsModel(clientModel->getOptionsModel());
      }
  
  }
  
  void BitcoinGUI::setWalletModel(WalletModel *walletModel)
  {
      this->walletModel = walletModel;
      if(walletModel)
      {
          // Report errors from wallet thread
          connect(walletModel, SIGNAL(error(QString,QString,bool)), this, SLOT(error(QString,QString,bool)));
  
          // Put transaction list in tabs
          transactionView->setModel(walletModel);
  
  		mintingView->setModel(walletModel);
  
          overviewPage->setModel(walletModel);
          addressBookPage->setModel(walletModel->getAddressTableModel());
          receiveCoinsPage->setModel(walletModel->getAddressTableModel());
          sendCoinsPage->setModel(walletModel);
          signVerifyMessageDialog->setModel(walletModel);
  		statisticsPage->setModel(clientModel);
  		blockBrowser->setModel(clientModel);
  		marketBrowser->setModel(clientModel);
          masternodeManagerPage->setWalletModel(walletModel);
  		multisigPage->setModel(walletModel);
  		//chatWindow->setModel(clientModel);
  
          setEncryptionStatus(walletModel->getEncryptionStatus());
          connect(walletModel, SIGNAL(encryptionStatusChanged(int)), this, SLOT(setEncryptionStatus(int)));
  
          // Balloon pop-up for new transaction
          connect(walletModel->getTransactionTableModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
                  this, SLOT(incomingTransaction(QModelIndex,int,int)));
  
          // Ask for passphrase if needed
          connect(walletModel, SIGNAL(requireUnlock()), this, SLOT(unlockWallet()));
      }
  }
  
  void BitcoinGUI::setMessageModel(MessageModel *messageModel)
  {
      this->messageModel = messageModel;
      if(messageModel)
      {
          // Report errors from message thread
          connect(messageModel, SIGNAL(error(QString,QString,bool)), this, SLOT(error(QString,QString,bool)));
  
          // Put transaction list in tabs
          messagePage->setModel(messageModel);
  
          // Balloon pop-up for new message
          connect(messageModel, SIGNAL(rowsInserted(QModelIndex,int,int)),
                  this, SLOT(incomingMessage(QModelIndex,int,int)));
      }
  }
  
  void BitcoinGUI::createTrayIcon()
  {
      QMenu *trayIconMenu;
  #ifndef Q_OS_MAC
      trayIcon = new QSystemTrayIcon(this);
      trayIconMenu = new QMenu(this);
      trayIcon->setContextMenu(trayIconMenu);
      trayIcon->setToolTip(tr("Bzlcoin client"));
      trayIcon->setIcon(QIcon(":/icons/toolbar"));
      connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
              this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason)));
      trayIcon->show();
  #else
      // Note: On Mac, the dock icon is used to provide the tray's functionality.
      MacDockIconHandler *dockIconHandler = MacDockIconHandler::instance();
      dockIconHandler->setMainWindow((QMainWindow *)this);
      trayIconMenu = dockIconHandler->dockMenu();
  #endif
  
      // Configuration of the tray icon (or dock icon) icon menu
      trayIconMenu->addAction(toggleHideAction);
      trayIconMenu->addSeparator();
      trayIconMenu->addAction(sendCoinsAction);
      trayIconMenu->addAction(receiveCoinsAction);
  	trayIconMenu->addSeparator();
  	trayIconMenu->addAction(multisigAction);
      trayIconMenu->addSeparator();
      trayIconMenu->addAction(signMessageAction);
      trayIconMenu->addAction(verifyMessageAction);
      trayIconMenu->addSeparator();
      trayIconMenu->addAction(optionsAction);
      trayIconMenu->addAction(openRPCConsoleAction);
  #ifndef Q_OS_MAC // This is built-in on Mac
      trayIconMenu->addSeparator();
      trayIconMenu->addAction(quitAction);
  #endif
  
      notificator = new Notificator(qApp->applicationName(), trayIcon, this);
  }
  
  #ifndef Q_OS_MAC
  void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
  {
      if(reason == QSystemTrayIcon::Trigger)
      {
          // Click on system tray icon triggers show/hide of the main window
          toggleHideAction->trigger();
      }
  }
  #endif
  
  void BitcoinGUI::optionsClicked()
  {
      if(!clientModel || !clientModel->getOptionsModel())
          return;
      OptionsDialog dlg;
      dlg.setModel(clientModel->getOptionsModel());
      dlg.exec();
  }
  
  void BitcoinGUI::aboutClicked()
  {
      AboutDialog dlg;
      dlg.setModel(clientModel);
      dlg.exec();
  }
  
  void BitcoinGUI::setNumConnections(int count)
  {
      QString icon;
      switch(count)
      {
      case 0: icon = ":/icons/connect_0"; break;
      case 1: case 2: case 3: icon = ":/icons/connect_1"; break;
      case 4: case 5: case 6: icon = ":/icons/connect_2"; break;
      case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
      default: icon = ":/icons/connect_4"; break;
      }
      labelConnectionsIcon->setPixmap(QIcon(icon).pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
      labelConnectionsIcon->setToolTip(tr("%n active connection(s) to Bzlcoin network", "", count));
  }
  
  void BitcoinGUI::setNumBlocks(int count, int nTotalBlocks)
  {
      // don't bother showing anything if we have no connection to the network
      if (!clientModel || clientModel->getNumConnections() == 0)
      {
          progressBarLabel->setText(tr("Connecting to Bzlcoin network..."));
          progressBarLabel->setVisible(true);
          progressBar->setVisible(false);
          return;
      }
  
      QString strStatusBarWarnings = clientModel->getStatusBarWarnings();
      QString tooltip;
      QString nRemainingTime;
  
      if (nLastBlocks == 0)
          nLastBlocks = pindexBest->nHeight;
  
      if (count > nLastBlocks && GetTime() - nClientUpdateTime > BPS_PERIOD) {
          nBlocksInLastPeriod = count - nLastBlocks;
          nLastBlocks = count;
          nClientUpdateTime = GetTime();
      }
      if (nBlocksInLastPeriod>0)
          nBlocksPerSec = nBlocksInLastPeriod / BPS_PERIOD;
      else
          nBlocksPerSec = 0;
  
      if (nBlocksPerSec>0) {
          nRemainingTime = QDateTime::fromTime_t((nTotalBlocks - count) / nBlocksPerSec).toUTC().toString("hh'h'mm'm'");
      }
  
      QDateTime lastBlockDate = clientModel->getLastBlockDate();
      int secs = lastBlockDate.secsTo(QDateTime::currentDateTime());
      QString text;
  
      // Represent time from last generated block in human readable text
      if(secs <= 0)
      {
          // Fully up to date. Leave text empty.
      }
      else if(secs < 60)
      {
          text = tr("%n second(s) ago","",secs);
      }
      else if(secs < 60*60)
      {
          text = tr("%n minute(s) ago","",secs/60);
      }
      else if(secs < 24*60*60)
      {
          text = tr("%n hour(s) ago","",secs/(60*60));
      }
      else
      {
          text = tr("%n day(s) ago","",secs/(60*60*24));
      }
  
      if (count < nTotalBlocks || secs > 30*30)
      {
          int nRemainingBlocks = nTotalBlocks - count;
          float nPercentageDone = count / (nTotalBlocks * 0.01f);
          if (strStatusBarWarnings.isEmpty())
          {
              progressBarLabel->setText(tr("Synchronizing with network..."));
              progressBarLabel->setVisible(true);
              if (nBlocksPerSec>0)
                  progressBar->setFormat(tr("~%1 block(s) remaining (est: %2 at %3 blocks/sec)").arg(nRemainingBlocks).arg(nRemainingTime).arg(nBlocksPerSec));
              else
                  progressBar->setFormat(tr("~%n block(s) remaining", "", nRemainingBlocks));
              progressBar->setMaximum(nTotalBlocks);
              progressBar->setValue(count);
              progressBar->setVisible(true);
          }
  
          tooltip = tr("Catching up...") + QString("<br>") + tooltip;
  
          labelBlocksIcon->setPixmap(QIcon(QString(":/movies/res/movies/spinner-%1.png").arg(spinnerFrame, 3, 10, QChar('0'))).pixmap(STATUSBAR_ICONSIZE, STATUSBAR_ICONSIZE));
          spinnerFrame = (spinnerFrame + 1) % 36;
  
          overviewPage->showOutOfSyncWarning(true);
  
          tooltip = tr("Downloaded %1 of %2 blocks of transaction history (%3% done).").arg(count).arg(nTotalBlocks).arg(nPercentageDone, 0, 'f', 2);
      }
      else
      {
          if (strStatusBarWarnings.isEmpty())
              progressBarLabel->setVisible(false);
  
          tooltip = tr("Up to date") + QString(".<br>") + tooltip;
          labelBlocksIcon->setPixmap(QIcon(":/icons/synced").pixmap(STATUSBAR_ICONSIZE, STATUSBAR_ICONSIZE));
          overviewPage->showOutOfSyncWarning(false);
          progressBar->setVisible(false);
          tooltip = tr("Downloaded %1 blocks of transaction history.").arg(count);
      }
  
      // Override progressBarLabel text and hide progress bar, when we have warnings to display
      if (!strStatusBarWarnings.isEmpty())
      {
          progressBarLabel->setText(strStatusBarWarnings);
          progressBarLabel->setVisible(true);
          progressBar->setVisible(false);
      }
  
      if(!text.isEmpty())
      {
          tooltip += QString("<br>");
          tooltip += tr("Last received block was generated %1.").arg(text);
      }
  
      // Don't word-wrap this (fixed-width) tooltip
      tooltip = QString("<nobr>") + tooltip + QString("</nobr>");
  
      labelBlocksIcon->setToolTip(tooltip);
      progressBarLabel->setToolTip(tooltip);
      progressBar->setToolTip(tooltip);
  }
  
  void BitcoinGUI::error(const QString &title, const QString &message, bool modal)
  {
      // Report errors from network/worker thread
      if(modal)
      {
          QMessageBox::critical(this, title, message, QMessageBox::Ok, QMessageBox::Ok);
      } else {
          notificator->notify(Notificator::Critical, title, message);
      }
  }
  
  void BitcoinGUI::changeEvent(QEvent *e)
  {
      QMainWindow::changeEvent(e);
  #ifndef Q_OS_MAC // Ignored on Mac
      if(e->type() == QEvent::WindowStateChange)
      {
          if(clientModel && clientModel->getOptionsModel()->getMinimizeToTray())
          {
              QWindowStateChangeEvent *wsevt = static_cast<QWindowStateChangeEvent*>(e);
              if(!(wsevt->oldState() & Qt::WindowMinimized) && isMinimized())
              {
                  QTimer::singleShot(0, this, SLOT(hide()));
                  e->ignore();
              }
          }
      }
  #endif
  }
  
  void BitcoinGUI::closeEvent(QCloseEvent *event)
  {
      if(clientModel)
      {
  #ifndef Q_OS_MAC // Ignored on Mac
          if(!clientModel->getOptionsModel()->getMinimizeToTray() &&
             !clientModel->getOptionsModel()->getMinimizeOnClose())
          {
              qApp->quit();
          }
  #endif
      }
      QMainWindow::closeEvent(event);
  }
  
  void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
  {
      QString strMessage =
          tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
            "which goes to the nodes that process your transaction and helps to support the network.  "
            "Do you want to pay the fee?").arg(
                  BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, nFeeRequired));
      QMessageBox::StandardButton retval = QMessageBox::question(
            this, tr("Confirm transaction fee"), strMessage,
            QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
      *payFee = (retval == QMessageBox::Yes);
  }
  
  void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
  {
      if(!walletModel || !clientModel)
          return;
      TransactionTableModel *ttm = walletModel->getTransactionTableModel();
      qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
                      .data(Qt::EditRole).toULongLong();
      if(!clientModel->inInitialBlockDownload())
      {
          // On new transaction, make an info balloon
          // Unless the initial block download is in progress, to prevent balloon-spam
          QString date = ttm->index(start, TransactionTableModel::Date, parent)
                          .data().toString();
          QString type = ttm->index(start, TransactionTableModel::Type, parent)
                          .data().toString();
          QString address = ttm->index(start, TransactionTableModel::ToAddress, parent)
                          .data().toString();
          QIcon icon = qvariant_cast<QIcon>(ttm->index(start,
                              TransactionTableModel::ToAddress, parent)
                          .data(Qt::DecorationRole));
  
          notificator->notify(Notificator::Information,
                              (amount)<0 ? tr("Sent transaction") :
                                           tr("Incoming transaction"),
                                tr("Date: %1\n"
                                   "Amount: %2\n"
                                   "Type: %3\n"
                                   "Address: %4\n")
                                .arg(date)
                                .arg(BitcoinUnits::formatWithUnit(walletModel->getOptionsModel()->getDisplayUnit(), amount, true))
                                .arg(type)
                                .arg(address), icon);
      }
  }
  
  void BitcoinGUI::incomingMessage(const QModelIndex & parent, int start, int end)
  {
      if(!messageModel)
          return;
  
      MessageModel *mm = messageModel;
  
      if (mm->index(start, MessageModel::TypeInt, parent).data().toInt() == MessageTableEntry::Received)
      {
          QString sent_datetime = mm->index(start, MessageModel::ReceivedDateTime, parent).data().toString();
          QString from_address  = mm->index(start, MessageModel::FromAddress,      parent).data().toString();
          QString to_address    = mm->index(start, MessageModel::ToAddress,        parent).data().toString();
          QString message       = mm->index(start, MessageModel::Message,          parent).data().toString();
          QTextDocument html;
          html.setHtml(message);
          QString messageText(html.toPlainText());
          notificator->notify(Notificator::Information,
                              tr("Incoming Message"),
                              tr("Date: %1\n"
                                 "From Address: %2\n"
                                 "To Address: %3\n"
                                 "Message: %4\n")
                                .arg(sent_datetime)
                                .arg(from_address)
                                .arg(to_address)
                                .arg(messageText));
      };
  }
  
  void BitcoinGUI::showDebugWindow()
  {
      rpcConsole->showNormal();
      rpcConsole->show();
      rpcConsole->raise();
      rpcConsole->activateWindow();
  }
  
  void BitcoinGUI::showInfo()
  {
      rpcConsole->setTabFocus(RPCConsole::TAB_INFO);
      showDebugWindow();
  }
  
  void BitcoinGUI::showConsole()
  {
      rpcConsole->setTabFocus(RPCConsole::TAB_CONSOLE);
      showDebugWindow();
  }
  
  void BitcoinGUI::showGraph()
  {
      rpcConsole->setTabFocus(RPCConsole::TAB_GRAPH);
      showDebugWindow();
  }
  
  void BitcoinGUI::showConfEditor()
  {
      boost::filesystem::path pathConfig = GetConfigFile();
  
      /* Open bzlcoin.conf with the associated application */
      if (boost::filesystem::exists(pathConfig)) {
          QDesktopServices::openUrl(QUrl::fromLocalFile(QString::fromStdString(pathConfig.string())));
  	} else {
  		QMessageBox::warning(this, tr("No bzlcoin.conf"),
          tr("Your bzlcoin.conf does not exist! Please create one in your Bzlcoin data directory."),
          QMessageBox::Ok, QMessageBox::Ok);
  	}		
  	//GUIUtil::openConfigfile();
  	
  }
  
  void BitcoinGUI::showMNConfEditor()
  {
      boost::filesystem::path pathMNConfig = GetMasternodeConfigFile();
  
      /* Open masternode.conf with the associated application */
      if (boost::filesystem::exists(pathMNConfig)) {
          QDesktopServices::openUrl(QUrl::fromLocalFile(QString::fromStdString(pathMNConfig.string())));
  	} else {
  		QMessageBox::warning(this, tr("No masternode.conf"),
          tr("Your masternode.conf does not exist! Please create one in your Bzlcoin data directory."),
          QMessageBox::Ok, QMessageBox::Ok);
  	}
      //GUIUtil::openMNConfigfile();
  }
  
  void BitcoinGUI::gotoOverviewPage()
  {
      overviewAction->setChecked(true);
      centralWidget->setCurrentWidget(overviewPage);
  
      exportAction->setEnabled(false);
      disconnect(exportAction, SIGNAL(triggered()), 0, 0);
  }
  
  void BitcoinGUI::gotoMarketBrowser()
  {
      marketAction->setChecked(true);
      centralWidget->setCurrentWidget(marketBrowser);
  	
      exportAction->setEnabled(false);
      disconnect(exportAction, SIGNAL(triggered()), 0, 0);
  	
  }
  
  void BitcoinGUI::gotoMasternodeManagerPage()
  {
      masternodeManagerAction->setChecked(true);
      centralWidget->setCurrentWidget(masternodeManagerPage);
  
      exportAction->setEnabled(false);
      disconnect(exportAction, SIGNAL(triggered()), 0, 0);
  }
  
  void BitcoinGUI::gotoMultisigPage()
  {
      multisigPage->show();
      multisigPage->setFocus();
  }
  
  void BitcoinGUI::gotoMintingPage()
  {
      mintingAction->setChecked(true);
      centralWidget->setCurrentWidget(mintingPage);
  
      exportAction->setEnabled(true);
      disconnect(exportAction, SIGNAL(triggered()), 0, 0);
      connect(exportAction, SIGNAL(triggered()), mintingView, SLOT(exportClicked()));
  }
  
  void BitcoinGUI::gotoBlockBrowser()
  {
      blockAction->setChecked(true);
      centralWidget->setCurrentWidget(blockBrowser);
  
      exportAction->setEnabled(false);
      disconnect(exportAction, SIGNAL(triggered()), 0, 0);
  }
  
  void BitcoinGUI::gotoStatisticsPage()
  {
      statisticsAction->setChecked(true);
      centralWidget->setCurrentWidget(statisticsPage);
  
      exportAction->setEnabled(false);
      disconnect(exportAction, SIGNAL(triggered()), 0, 0);
  }
  
  void BitcoinGUI::gotoHistoryPage()
  {
      historyAction->setChecked(true);
      centralWidget->setCurrentWidget(transactionsPage);
  
      exportAction->setEnabled(true);
      disconnect(exportAction, SIGNAL(triggered()), 0, 0);
      connect(exportAction, SIGNAL(triggered()), transactionView, SLOT(exportClicked()));
  }
  
  void BitcoinGUI::gotoAddressBookPage()
  {
      addressBookAction->setChecked(true);
      centralWidget->setCurrentWidget(addressBookPage);
  
      exportAction->setEnabled(true);
      disconnect(exportAction, SIGNAL(triggered()), 0, 0);
      connect(exportAction, SIGNAL(triggered()), addressBookPage, SLOT(exportClicked()));
  }
  
  void BitcoinGUI::gotoReceiveCoinsPage()
  {
      receiveCoinsAction->setChecked(true);
      centralWidget->setCurrentWidget(receiveCoinsPage);
  
      exportAction->setEnabled(true);
      disconnect(exportAction, SIGNAL(triggered()), 0, 0);
      connect(exportAction, SIGNAL(triggered()), receiveCoinsPage, SLOT(exportClicked()));
  }
  
  void BitcoinGUI::gotoSendCoinsPage()
  {
      sendCoinsAction->setChecked(true);
      centralWidget->setCurrentWidget(sendCoinsPage);
  
      exportAction->setEnabled(false);
      disconnect(exportAction, SIGNAL(triggered()), 0, 0);
  }
  
  void BitcoinGUI::gotoMessagePage()
  {
      messageAction->setChecked(true);
      centralWidget->setCurrentWidget(messagePage);
  
      exportAction->setEnabled(true);
      disconnect(exportAction, SIGNAL(triggered()), 0, 0);
      connect(exportAction, SIGNAL(triggered()), messagePage, SLOT(exportClicked()));
  }
  /*
  void BitcoinGUI::gotoChatPage()
  {
      chatAction->setChecked(true);
      centralWidget->setCurrentWidget(chatWindow);
  	
  	exportAction->setEnabled(true);
      disconnect(exportAction, SIGNAL(triggered()), 0, 0);
  	
  }
  */
  void BitcoinGUI::gotoSignMessageTab(QString addr)
  {
      // call show() in showTab_SM()
      signVerifyMessageDialog->showTab_SM(true);
  
      if(!addr.isEmpty())
          signVerifyMessageDialog->setAddress_SM(addr);
  }
  
  void BitcoinGUI::gotoVerifyMessageTab(QString addr)
  {
      // call show() in showTab_VM()
      signVerifyMessageDialog->showTab_VM(true);
  
      if(!addr.isEmpty())
          signVerifyMessageDialog->setAddress_VM(addr);
  }
  
  void BitcoinGUI::dragEnterEvent(QDragEnterEvent *event)
  {
      // Accept only URIs
      if(event->mimeData()->hasUrls())
          event->acceptProposedAction();
  }
  
  void BitcoinGUI::dropEvent(QDropEvent *event)
  {
      if(event->mimeData()->hasUrls())
      {
          int nValidUrisFound = 0;
          QList<QUrl> uris = event->mimeData()->urls();
          foreach(const QUrl &uri, uris)
          {
              if (sendCoinsPage->handleURI(uri.toString()))
                  nValidUrisFound++;
          }
  
          // if valid URIs were found
          if (nValidUrisFound)
              gotoSendCoinsPage();
          else
              notificator->notify(Notificator::Warning, tr("URI handling"), tr("URI can not be parsed! This can be caused by an invalid Bzlcoin address or malformed URI parameters."));
      }
  
      event->acceptProposedAction();
  }
  
  void BitcoinGUI::handleURI(QString strURI)
  {
      // URI has to be valid
      if (sendCoinsPage->handleURI(strURI))
      {
          showNormalIfMinimized();
          gotoSendCoinsPage();
      }
      else
          notificator->notify(Notificator::Warning, tr("URI handling"), tr("URI can not be parsed! This can be caused by an invalid Bzlcoin address or malformed URI parameters."));
  }
  
  
  void BitcoinGUI::mainToolbarOrientation(Qt::Orientation orientation)
  {
  
  
      if(orientation == Qt::Horizontal)
      {
          mainIcon->setPixmap(QPixmap(":images/horizontal"));
          mainIcon->setAlignment(Qt::AlignLeft);
          mainIcon->show();
          mainToolbar->setToolButtonStyle(Qt::ToolButtonTextUnderIcon);
          mainToolbar->setStyleSheet(HORIZONTAL_TOOLBAR_STYLESHEET);
          messageAction->setIconText(tr("&Messages"));
      }
      else
      {
          mainIcon->setPixmap(QPixmap(":images/vertical"));
          mainIcon->setAlignment(Qt::AlignCenter);
          mainIcon->show();
          mainToolbar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
          mainToolbar->setStyleSheet(VERTICAL_TOOBAR_STYLESHEET);
          messageAction->setIconText(tr("Encrypted &Messages"));
      }
  }
  
  void BitcoinGUI::secondaryToolbarOrientation(Qt::Orientation orientation)
  {
      secondaryToolbar->setStyleSheet(orientation == Qt::Horizontal ? HORIZONTAL_TOOLBAR_STYLESHEET : VERTICAL_TOOBAR_STYLESHEET);
  }
  
  void BitcoinGUI::setEncryptionStatus(int status)
  {
      switch(status)
      {
      case WalletModel::Unencrypted:
          labelEncryptionIcon->hide();
          encryptWalletAction->setChecked(false);
          changePassphraseAction->setEnabled(false);
          unlockWalletAction->setVisible(false);
          lockWalletAction->setVisible(false);
          encryptWalletAction->setEnabled(true);
          break;
      case WalletModel::Unlocked:
          disconnect(labelEncryptionIcon, SIGNAL(clicked()), unlockWalletAction, SLOT(trigger()));
          disconnect(labelEncryptionIcon, SIGNAL(clicked()),   lockWalletAction, SLOT(trigger()));
          connect   (labelEncryptionIcon, SIGNAL(clicked()),   lockWalletAction, SLOT(trigger()));
          labelEncryptionIcon->show();
          labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_open").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
          labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>unlocked</b>")); // TODO: Click to lock + translations
          encryptWalletAction->setChecked(true);
          changePassphraseAction->setEnabled(true);
          unlockWalletAction->setVisible(false);
          lockWalletAction->setVisible(true);
          encryptWalletAction->setEnabled(false); // TODO: decrypt currently not supported
          break;
      case WalletModel::Locked:
          disconnect(labelEncryptionIcon, SIGNAL(clicked()), unlockWalletAction, SLOT(trigger()));
          disconnect(labelEncryptionIcon, SIGNAL(clicked()),   lockWalletAction, SLOT(trigger()));
          connect   (labelEncryptionIcon, SIGNAL(clicked()), unlockWalletAction, SLOT(trigger()));
          labelEncryptionIcon->show();
          labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_closed").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
          labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>locked</b>")); // TODO: Click to unlock + translations
          encryptWalletAction->setChecked(true);
          changePassphraseAction->setEnabled(true);
          unlockWalletAction->setVisible(true);
          lockWalletAction->setVisible(false);
          encryptWalletAction->setEnabled(false); // TODO: decrypt currently not supported
          break;
      }
  }
  
  void BitcoinGUI::encryptWallet(bool status)
  {
      if(!walletModel)
          return;
      AskPassphraseDialog dlg(status ? AskPassphraseDialog::Encrypt:
                                       AskPassphraseDialog::Decrypt, this);
      dlg.setModel(walletModel);
      dlg.exec();
  
      setEncryptionStatus(walletModel->getEncryptionStatus());
  }
  
  void BitcoinGUI::backupWallet()
  {
      QString saveDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
      QString filename = QFileDialog::getSaveFileName(this, tr("Backup Wallet"), saveDir, tr("Wallet Data (*.dat)"));
      if(!filename.isEmpty()) {
          if(!walletModel->backupWallet(filename)) {
              QMessageBox::warning(this, tr("Backup Failed"), tr("There was an error trying to save the wallet data to the new location."));
          }
      }
  }
  
  void BitcoinGUI::changePassphrase()
  {
      AskPassphraseDialog dlg(AskPassphraseDialog::ChangePass, this);
      dlg.setModel(walletModel);
      dlg.exec();
  }
  
  void BitcoinGUI::unlockWallet()
  {
      if(!walletModel)
          return;
      // Unlock wallet when requested by wallet model
      if(walletModel->getEncryptionStatus() == WalletModel::Locked)
      {
          AskPassphraseDialog::Mode mode = sender() == unlockWalletAction ?
          AskPassphraseDialog::UnlockStaking : AskPassphraseDialog::Unlock;
          AskPassphraseDialog dlg(mode, this);
          dlg.setModel(walletModel);
          dlg.exec();
      }
  }
  
  void BitcoinGUI::lockWallet()
  {
      if(!walletModel)
          return;
  
      walletModel->setWalletLocked(true);
  }
  
  void BitcoinGUI::showNormalIfMinimized(bool fToggleHidden)
  {
      // activateWindow() (sometimes) helps with keyboard focus on Windows
      if (isHidden())
      {
          show();
          activateWindow();
      }
      else if (isMinimized())
      {
          showNormal();
          activateWindow();
      }
      else if (GUIUtil::isObscured(this))
      {
          raise();
          activateWindow();
      }
      else if(fToggleHidden)
          hide();
  }
  
  void BitcoinGUI::toggleHidden()
  {
      showNormalIfMinimized(true);
  }
  
  void BitcoinGUI::updateWeight()
  {
      if (!pwalletMain)
          return;
  
      TRY_LOCK(cs_main, lockMain);
      if (!lockMain)
          return;
  
      TRY_LOCK(pwalletMain->cs_wallet, lockWallet);
      if (!lockWallet)
          return;
  
      uint64_t nMinWeight = 0, nMaxWeight = 0;
      pwalletMain->GetStakeWeight(*pwalletMain, nMinWeight, nMaxWeight, nWeight);
  }
  
  void BitcoinGUI::updateStakingIcon()
  {
      updateWeight();
  
      if (nLastCoinStakeSearchInterval && nWeight)
      {
          uint64_t nNetworkWeight = GetPoSKernelPS();
          unsigned nEstimateTime = nTargetSpacing * nNetworkWeight / nWeight;
  
          QString text;
          if (nEstimateTime < 60)
          {
              text = tr("%n second(s)", "", nEstimateTime);
          }
          else if (nEstimateTime < 60*60)
          {
              text = tr("%n minute(s)", "", nEstimateTime/60);
          }
          else if (nEstimateTime < 24*60*60)
          {
              text = tr("%n hour(s)", "", nEstimateTime/(60*60));
          }
          else
          {
              text = tr("%n day(s)", "", nEstimateTime/(60*60*24));
          }
  
          labelStakingIcon->setPixmap(QIcon(":/icons/staking_on").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
          labelStakingIcon->setToolTip(tr("Staking.<br>Your weight is %1<br>Network weight is %2<br>Expected time to earn reward is %3").arg(nWeight).arg(nNetworkWeight).arg(text));
      }
      else
      {
          labelStakingIcon->setPixmap(QIcon(":/icons/staking_off").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
          if (pwalletMain && pwalletMain->IsLocked())
              labelStakingIcon->setToolTip(tr("Not staking because wallet is locked"));
          else if (vNodes.empty())
              labelStakingIcon->setToolTip(tr("Not staking because wallet is offline"));
          else if (IsInitialBlockDownload())
              labelStakingIcon->setToolTip(tr("Not staking because wallet is syncing"));
          else if (!nWeight)
              labelStakingIcon->setToolTip(tr("Not staking because you don't have mature coins<br>Coins take 8 hours to mature."));
          else
              labelStakingIcon->setToolTip(tr("Not staking"));
      }
  }
  