Add selectable Qt GUI Styles
[novacoin.git] / src / qt / bitcoingui.cpp
index 96afa41..db888a8 100644 (file)
 /*
  * Qt4 bitcoin GUI.
  *
- * W.J. van der Laan 2011
+ * W.J. van der Laan 2011-2012
+ * The Bitcoin Developers 2011-2012
  */
 #include "bitcoingui.h"
 #include "transactiontablemodel.h"
-#include "addressbookdialog.h"
+#include "addressbookpage.h"
 #include "sendcoinsdialog.h"
+#include "signverifymessagedialog.h"
+#include "secondauthdialog.h"
+#include "multisigdialog.h"
 #include "optionsdialog.h"
 #include "aboutdialog.h"
 #include "clientmodel.h"
-#include "guiutil.h"
+#include "walletmodel.h"
 #include "editaddressdialog.h"
 #include "optionsmodel.h"
 #include "transactiondescdialog.h"
+#include "addresstablemodel.h"
+#include "transactionview.h"
+#include "overviewpage.h"
+#include "bitcoinunits.h"
+#include "guiconstants.h"
+#include "askpassphrasedialog.h"
+#include "notificator.h"
+#include "guiutil.h"
+#include "ui_interface.h"
+#include "rpcconsole.h"
+#include "mintingview.h"
 
-#include "main.h"
+#ifdef Q_OS_MAC
+#include "macdockiconhandler.h"
+#endif
 
 #include <QApplication>
+#if QT_VERSION < 0x050000
 #include <QMainWindow>
+#endif
 #include <QMenuBar>
 #include <QMenu>
 #include <QIcon>
 #include <QTabWidget>
 #include <QVBoxLayout>
-#include <QWidget>
 #include <QToolBar>
 #include <QStatusBar>
 #include <QLabel>
-#include <QTableView>
 #include <QLineEdit>
 #include <QPushButton>
-#include <QHeaderView>
 #include <QLocale>
-#include <QSortFilterProxyModel>
-#include <QClipboard>
 #include <QMessageBox>
-
-#include <QDebug>
+#include <QProgressBar>
+#include <QStackedWidget>
+#include <QDateTime>
+#include <QMovie>
+#include <QFileDialog>
+#if QT_VERSION < 0x050000
+#include <QDesktopServices>
+#else
+#include <QStandardPaths>
+#endif
+#include <QTimer>
+#include <QDragEnterEvent>
+#if QT_VERSION < 0x050000
+#include <QUrl>
+#endif
+#include <QStyle>
+#include <QMimeData>
 
 #include <iostream>
 
+extern bool fWalletUnlockMintOnly;
+extern uint64_t nStakeInputsMapSize;
+
 BitcoinGUI::BitcoinGUI(QWidget *parent):
-    QMainWindow(parent), trayIcon(0)
+    QMainWindow(parent),
+    clientModel(0),
+    walletModel(0),
+    signVerifyMessageDialog(0),
+    secondAuthDialog(0),
+    multisigPage(0),
+    encryptWalletAction(0),
+    lockWalletAction(0),
+    unlockWalletAction(0),
+    unlockWalletMiningAction(0),
+    changePassphraseAction(0),
+    aboutQtAction(0),
+    trayIcon(0),
+    notificator(0),
+    rpcConsole(0),
+    aboutDialog(0),
+    optionsDialog(0)
 {
     resize(850, 550);
-    setWindowTitle(tr("Bitcoin"));
+    setWindowTitle(tr("NovaCoin") + " - " + tr("Wallet"));
+#ifndef Q_OS_MAC
+    qApp->setWindowIcon(QIcon(":icons/bitcoin"));
     setWindowIcon(QIcon(":icons/bitcoin"));
+#else
+    setUnifiedTitleAndToolBarOnMac(true);
+    QApplication::setAttribute(Qt::AA_DontShowIconsInMenus);
+#endif
 
-    createActions();
+    int nQtStyle = GetArg("-qtstyle", 0);
+    if(nQtStyle < 0) nQtStyle = 0;
 
-    // Menus
-    QMenu *file = menuBar()->addMenu("&File");
-    file->addAction(sendcoins);
-    file->addSeparator();
-    file->addAction(quit);
-    
-    QMenu *settings = menuBar()->addMenu("&Settings");
-    settings->addAction(receivingAddresses);
-    settings->addAction(options);
+    if(!nQtStyle) {
+        resize(850, 550);
+        qApp->setStyleSheet("");
+    } else if(nQtStyle == 1) {
+        resize(850, 525);
+#ifndef Q_OS_MAC
+        qApp->setStyleSheet("QToolBar QToolButton { text-align: center; width: 100%; \
+          padding-left: 5px; padding-right: 5px; padding-top: 2px; padding-bottom: 2px; \
+          margin-top: 2px; } \
+          QToolBar QToolButton:hover { font-weight: bold; } \
+          #toolbar { border: none; height: 100%; min-width: 150px; max-width: 150px; } \
+          QMenuBar { min-height: 20px; }");
+#else
+        qApp->setStyleSheet("QToolBar QToolButton { text-align: center; width: 100%; \
+          padding-left: 5px; padding-right: 5px; padding-top: 2px; padding-bottom: 2px; \
+          margin-top: 2px; } \
+          QToolBar QToolButton:hover { font-weight: bold; background-color: transparent; } \
+          #toolbar { border: none; height: 100%; min-width: 150px; max-width: 150px; }");
+#endif
+    } else {
+        resize(850, 525);
+#ifndef Q_OS_MAC
+        qApp->setStyleSheet("QToolBar QToolButton { text-align: center; width: 100%; \
+          color: white; background-color: grey; padding-left: 5px; padding-right: 5px; \
+          padding-top: 2px; padding-bottom: 2px; margin-top: 2px; } \
+          QToolBar QToolButton:hover { font-weight: bold; \
+          background-color: QLinearGradient(x1: 0, y1: 0, x2: 1, y2: 2, \
+          stop: 0 #808080, stop: 1 #d2d2d2); } \
+          #toolbar { border: none; height: 100%; min-width: 150px; max-width: 150px; \
+          background-color: grey; } \
+          QMenuBar { color: white; background-color: grey; } \
+          QMenuBar::item { color: white; background-color: grey; \
+          padding-top: 6px; padding-bottom: 6px; \
+          padding-left: 10px; padding-right: 10px; } \
+          QMenuBar::item:selected { background-color: QLinearGradient(x1: 0, y1: 0, x2: 1, y2: 2, \
+          stop: 0 #808080, stop: 1 #d2d2d2); } \
+          QMenu { border: 1px solid; color: black; background-color: grey; } \
+          QMenu::item { background-color: grey; } \
+          QMenu::item:disabled { color: gray; } \
+          QMenu::item:enabled:selected { color: white; background-color: grey; } \
+          QMenu::separator { height: 4px; }");
+#else
+        qApp->setStyleSheet("QToolBar QToolButton { text-align: center; width: 100%; \
+          color: white; padding-left: 5px; padding-right: 5px; \
+          padding-top: 2px; padding-bottom: 2px; margin-top: 2px; } \
+          QToolBar QToolButton:hover { font-weight: bold; \
+          background-color: QLinearGradient(x1: 0, y1: 0, x2: 1, y2: 2, \
+          stop: 0 #808080, stop: 1 #d2d2d2); } \
+          #toolbar { border: none; height: 100%; min-width: 150px; max-width: 150px; \
+          background-color: grey; }");
+#endif
+    }
 
-    QMenu *help = menuBar()->addMenu("&Help");
-    help->addAction(about);
-    
-    // Toolbar
-    QToolBar *toolbar = addToolBar("Main toolbar");
-    toolbar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
-    toolbar->addAction(sendcoins);
-    toolbar->addAction(addressbook);
-
-    // Address: <address>: New... : Paste to clipboard
-    QHBoxLayout *hbox_address = new QHBoxLayout();
-    hbox_address->addWidget(new QLabel(tr("Your Bitcoin address:")));
-    address = new QLineEdit();
-    address->setReadOnly(true);
-    address->setFont(GUIUtil::bitcoinAddressFont());
-    address->setToolTip(tr("Your current default receiving address"));
-    hbox_address->addWidget(address);
-    
-    QPushButton *button_new = new QPushButton(tr("&New..."));
-    button_new->setToolTip(tr("Create new receiving address"));
-    QPushButton *button_clipboard = new QPushButton(tr("&Copy to clipboard"));
-    button_clipboard->setToolTip(tr("Copy current receiving address to the system clipboard"));
-    hbox_address->addWidget(button_new);
-    hbox_address->addWidget(button_clipboard);
-    
-    // Balance: <balance>
-    QHBoxLayout *hbox_balance = new QHBoxLayout();
-    hbox_balance->addWidget(new QLabel(tr("Balance:")));
-    hbox_balance->addSpacing(5);/* Add some spacing between the label and the text */
-
-    labelBalance = new QLabel();
-    labelBalance->setFont(QFont("Monospace"));
-    labelBalance->setToolTip(tr("Your current balance"));
-    hbox_balance->addWidget(labelBalance);
-    hbox_balance->addStretch(1);
-    
+    // Accept D&D of URIs
+    setAcceptDrops(true);
+
+    // Create actions for the toolbar, menu bar and tray/dock icon
+    createActions(nQtStyle);
+
+    // Create application menu bar
+    createMenuBar();
+
+    // Create the toolbars
+    createToolBars(nQtStyle);
+
+    // Create the tray icon (or setup the dock icon)
+    createTrayIcon();
+
+    // Create tabs
+    overviewPage = new OverviewPage();
+
+    transactionsPage = new QWidget(this);
     QVBoxLayout *vbox = new QVBoxLayout();
-    vbox->addLayout(hbox_address);
-    vbox->addLayout(hbox_balance);
+    transactionView = new TransactionView(this);
+    vbox->addWidget(transactionView);
+    transactionsPage->setLayout(vbox);
 
-    vbox->addWidget(createTabs());
+    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);
+
+    signVerifyMessageDialog = new SignVerifyMessageDialog(0);
+
+    secondAuthDialog = new SecondAuthDialog(0);
+
+    multisigPage = new MultisigDialog(0);
+
+    centralWidget = new QStackedWidget(this);
+    centralWidget->addWidget(overviewPage);
+    centralWidget->addWidget(transactionsPage);
+    centralWidget->addWidget(mintingPage);
+    centralWidget->addWidget(addressBookPage);
+    centralWidget->addWidget(receiveCoinsPage);
+    centralWidget->addWidget(sendCoinsPage);
+    setCentralWidget(centralWidget);
 
-    QWidget *centralwidget = new QWidget(this);
-    centralwidget->setLayout(vbox);
-    setCentralWidget(centralwidget);
-    
     // Create status bar
     statusBar();
 
-    labelConnections = new QLabel();
-    labelConnections->setFrameStyle(QFrame::Panel | QFrame::Sunken);
-    labelConnections->setMinimumWidth(150);
-    labelConnections->setToolTip(tr("Number of connections to other clients"));
-
-    labelBlocks = new QLabel();
-    labelBlocks->setFrameStyle(QFrame::Panel | QFrame::Sunken);
-    labelBlocks->setMinimumWidth(130);
-    labelBlocks->setToolTip(tr("Number of blocks in the block chain"));
-
-    labelTransactions = new QLabel();
-    labelTransactions->setFrameStyle(QFrame::Panel | QFrame::Sunken);
-    labelTransactions->setMinimumWidth(130);
-    labelTransactions->setToolTip(tr("Number of transactions in your wallet"));
-
-    statusBar()->addPermanentWidget(labelConnections);
-    statusBar()->addPermanentWidget(labelBlocks);
-    statusBar()->addPermanentWidget(labelTransactions);
-     
-    // Action bindings
-    connect(button_new, SIGNAL(clicked()), this, SLOT(newAddressClicked()));
-    connect(button_clipboard, SIGNAL(clicked()), this, SLOT(copyClipboardClicked()));
+    // Status bar notification icons
+    QFrame *frameBlocks = new QFrame();
+    frameBlocks->setContentsMargins(0,0,0,0);
+    frameBlocks->setMinimumWidth(72);
+    frameBlocks->setMaximumWidth(72);
+    QHBoxLayout *frameBlocksLayout = new QHBoxLayout(frameBlocks);
+    frameBlocksLayout->setContentsMargins(3,0,3,0);
+    frameBlocksLayout->setSpacing(3);
+    labelEncryptionIcon = new QLabel();
+    labelMiningIcon = new QLabel();
+    labelConnectionsIcon = new QLabel();
+    labelBlocksIcon = new QLabel();
+    frameBlocksLayout->addStretch();
+    frameBlocksLayout->addWidget(labelEncryptionIcon);
+    frameBlocksLayout->addStretch();
+    frameBlocksLayout->addWidget(labelMiningIcon);
+    frameBlocksLayout->addStretch();
+    frameBlocksLayout->addWidget(labelConnectionsIcon);
+    frameBlocksLayout->addStretch();
+    frameBlocksLayout->addWidget(labelBlocksIcon);
+    frameBlocksLayout->addStretch();
 
-    createTrayIcon();
+    // 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);
+
+    syncIconMovie = new QMovie(":/movies/update_spinner", "mng", this);
+
+    // 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(0);
+    connect(openRPCConsoleAction, SIGNAL(triggered()), rpcConsole, SLOT(show()));
+    connect(openRPCConsoleAction, SIGNAL(triggered()), rpcConsole, SLOT(raise()));
+
+    aboutDialog = new AboutDialog(0);
+    optionsDialog = new OptionsDialog(0);
+
+    // 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();
 }
 
-void BitcoinGUI::createActions()
+BitcoinGUI::~BitcoinGUI()
 {
-    quit = new QAction(QIcon(":/icons/quit"), tr("&Exit"), this);
-    quit->setToolTip(tr("Quit application"));
-    sendcoins = new QAction(QIcon(":/icons/send"), tr("&Send coins"), this);
-    sendcoins->setToolTip(tr("Send coins to a bitcoin address"));
-    addressbook = new QAction(QIcon(":/icons/address-book"), tr("&Address Book"), this);
-    addressbook->setToolTip(tr("Edit the list of stored addresses and labels"));
-    about = new QAction(QIcon(":/icons/bitcoin"), tr("&About"), this);
-    about->setToolTip(tr("Show information about Bitcoin"));
-    receivingAddresses = new QAction(QIcon(":/icons/receiving-addresses"), tr("Your &Receiving Addresses..."), this);
-    receivingAddresses->setToolTip(tr("Show the list of receiving addresses and edit their labels"));
-    options = new QAction(QIcon(":/icons/options"), tr("&Options..."), this);
-    options->setToolTip(tr("Modify configuration options for bitcoin"));
-    openBitcoin = new QAction(QIcon(":/icons/bitcoin"), "Open &Bitcoin", this);
-    openBitcoin->setToolTip(tr("Show the Bitcoin window"));
+    if(trayIcon) // Hide tray icon, as deleting will let it linger until quit (on Ubuntu)
+        trayIcon->hide();
+#ifdef Q_OS_MAC
+    delete appMenuBar;
+#endif
 
-    connect(quit, SIGNAL(triggered()), qApp, SLOT(quit()));
-    connect(sendcoins, SIGNAL(triggered()), this, SLOT(sendcoinsClicked()));
-    connect(addressbook, SIGNAL(triggered()), this, SLOT(addressbookClicked()));
-    connect(receivingAddresses, SIGNAL(triggered()), this, SLOT(receivingAddressesClicked()));
-    connect(options, SIGNAL(triggered()), this, SLOT(optionsClicked()));
-    connect(about, SIGNAL(triggered()), this, SLOT(aboutClicked()));
-    connect(openBitcoin, SIGNAL(triggered()), this, SLOT(show()));
+    delete rpcConsole;
+    delete aboutDialog;
+    delete optionsDialog;
+    delete multisigPage;
+    delete secondAuthDialog;
+    delete signVerifyMessageDialog;
 }
 
-void BitcoinGUI::setModel(ClientModel *model)
+void BitcoinGUI::createActions(int nQtStyle)
 {
-    this->model = model;
+    QActionGroup *tabGroup = new QActionGroup(this);
 
-    // Keep up to date with client
-    setBalance(model->getBalance());
-    connect(model, SIGNAL(balanceChanged(qint64)), this, SLOT(setBalance(qint64)));
+    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);
 
-    setNumConnections(model->getNumConnections());
-    connect(model, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
+    sendCoinsAction = new QAction(QIcon(":/icons/send"), tr("&Send coins"), this);
+    sendCoinsAction->setToolTip(tr("Send coins to a NovaCoin address"));
+    sendCoinsAction->setCheckable(true);
+    sendCoinsAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_2));
+    tabGroup->addAction(sendCoinsAction);
 
-    setNumTransactions(model->getNumTransactions());
-    connect(model, SIGNAL(numTransactionsChanged(int)), this, SLOT(setNumTransactions(int)));
+    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);
 
-    setNumBlocks(model->getNumBlocks());
-    connect(model, SIGNAL(numBlocksChanged(int)), this, SLOT(setNumBlocks(int)));
+    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);
 
-    setAddress(model->getAddress());
-    connect(model, SIGNAL(addressChanged(QString)), this, SLOT(setAddress(QString)));
+    mintingAction = new QAction(QIcon(":/icons/history"), tr("&Minting"), this);
+    mintingAction->setToolTip(tr("Show your minting capacity"));
+    mintingAction->setCheckable(true);
+    mintingAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_5));
+    tabGroup->addAction(mintingAction);
 
-    // Report errors from network/worker thread
-    connect(model, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));    
+    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_6));
+    tabGroup->addAction(addressBookAction);
+
+    multisigAction = new QAction(QIcon(":/icons/send"), tr("Multisig"), this);
+    multisigAction->setStatusTip(tr("Open window for working with multisig addresses"));
+    tabGroup->addAction(multisigAction);
+
+    connect(overviewAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
+    connect(overviewAction, SIGNAL(triggered()), this, SLOT(gotoOverviewPage()));
+    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(historyAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
+    connect(historyAction, SIGNAL(triggered()), this, SLOT(gotoHistoryPage()));
+    connect(mintingAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
+    connect(mintingAction, SIGNAL(triggered()), this, SLOT(gotoMintingPage()));
+    connect(addressBookAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
+    connect(addressBookAction, SIGNAL(triggered()), this, SLOT(gotoAddressBookPage()));
+    connect(multisigAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
+    connect(multisigAction, SIGNAL(triggered()), this, SLOT(gotoMultisigPage()));
 
-    // Put transaction list in tabs
-    setTabsModel(model->getTransactionTableModel());
+    quitAction = new QAction(QIcon(":/icons/quit"), tr("E&xit"), this);
+    quitAction->setStatusTip(tr("Quit application"));
+    quitAction->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
+    quitAction->setMenuRole(QAction::QuitRole);
+    aboutAction = new QAction(QIcon(":/icons/bitcoin"), tr("&About NovaCoin"), this);
+    aboutAction->setStatusTip(tr("Show information about NovaCoin"));
+    aboutAction->setMenuRole(QAction::AboutRole);
+#if QT_VERSION < 0x050000
+    aboutQtAction = new QAction(QIcon(":/trolltech/qmessagebox/images/qtlogo-64.png"), tr("About &Qt"), this);
+#else
+    aboutQtAction = new QAction(QIcon(":/qt-project.org/qmessagebox/images/qtlogo-64.png"), tr("About &Qt"), this);
+#endif
+    aboutQtAction->setStatusTip(tr("Show information about Qt"));
+    aboutQtAction->setMenuRole(QAction::AboutQtRole);
+    optionsAction = new QAction(QIcon(":/icons/options"), tr("&Options..."), this);
+    optionsAction->setStatusTip(tr("Modify configuration options for NovaCoin"));
+    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->setStatusTip(tr("Encrypt or decrypt wallet"));
+    encryptWalletAction->setCheckable(true);
+    backupWalletAction = new QAction(QIcon(":/icons/filesave"), tr("&Backup Wallet..."), this);
+    backupWalletAction->setStatusTip(tr("Backup wallet to another location"));
+    dumpWalletAction = new QAction(QIcon(":/icons/dump"), tr("&Dump Wallet..."), this);
+    dumpWalletAction->setStatusTip(tr("Dump keys to a text file"));
+    importWalletAction = new QAction(QIcon(":/icons/import"), tr("&Import Wallet..."), this);
+    importWalletAction->setStatusTip(tr("Import keys into a wallet"));
+    changePassphraseAction = new QAction(QIcon(":/icons/key"), tr("&Change Passphrase..."), this);
+    changePassphraseAction->setStatusTip(tr("Change the passphrase used for wallet encryption"));
+    signMessageAction = new QAction(QIcon(":/icons/edit"), tr("Sign &message..."), this);
+    signMessageAction->setStatusTip(tr("Sign messages with your Novacoin addresses to prove you own them"));
+    verifyMessageAction = new QAction(QIcon(":/icons/transaction_0"), tr("&Verify message..."), this);
+    verifyMessageAction->setStatusTip(tr("Verify messages to ensure they were signed with specified Novacoin addresses"));
+    secondAuthAction = new QAction(QIcon(":/icons/key"), tr("Second &auth..."), this);
+    secondAuthAction->setStatusTip(tr("Second auth with your Novacoin addresses"));
+
+    lockWalletAction = new QAction(QIcon(":/icons/lock_closed"), tr("&Lock wallet"), this);
+    lockWalletAction->setStatusTip(tr("Lock wallet"));
+    lockWalletAction->setCheckable(true);
+
+    unlockWalletAction = new QAction(QIcon(":/icons/lock_open"), tr("Unlo&ck wallet"), this);
+    unlockWalletAction->setStatusTip(tr("Unlock wallet"));
+    unlockWalletAction->setCheckable(true);
+
+    unlockWalletMiningAction = new QAction(QIcon(":/icons/mining_active"), tr("Unlo&ck wallet for mining"), this);
+    unlockWalletMiningAction->setStatusTip(tr("Unlock wallet for mining"));
+    unlockWalletMiningAction->setCheckable(true);
+
+    exportAction = new QAction(QIcon(":/icons/export"), tr("&Export..."), this);
+    exportAction->setStatusTip(tr("Export the data in the current tab to a file"));
+    openRPCConsoleAction = new QAction(QIcon(":/icons/debugwindow"), tr("&Debug window"), this);
+    openRPCConsoleAction->setStatusTip(tr("Open debugging and diagnostic console"));
+
+    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(lockWalletAction, SIGNAL(triggered(bool)), this, SLOT(lockWallet()));
+    connect(unlockWalletAction, SIGNAL(triggered(bool)), this, SLOT(unlockWallet()));
+    connect(unlockWalletMiningAction, SIGNAL(triggered(bool)), this, SLOT(unlockWalletMining(bool)));
+    connect(backupWalletAction, SIGNAL(triggered()), this, SLOT(backupWallet()));
+    connect(dumpWalletAction, SIGNAL(triggered()), this, SLOT(dumpWallet()));
+    connect(importWalletAction, SIGNAL(triggered()), this, SLOT(importWallet()));
+    connect(changePassphraseAction, SIGNAL(triggered()), this, SLOT(changePassphrase()));
+    connect(signMessageAction, SIGNAL(triggered()), this, SLOT(gotoSignMessageTab()));
+    connect(verifyMessageAction, SIGNAL(triggered()), this, SLOT(gotoVerifyMessageTab()));
+    connect(secondAuthAction, SIGNAL(triggered()), this, SLOT(gotoSecondAuthPage()));
 }
 
-void BitcoinGUI::createTrayIcon()
+void BitcoinGUI::createMenuBar()
 {
-    QMenu *trayIconMenu = new QMenu(this);
-    trayIconMenu->addAction(openBitcoin);
-    trayIconMenu->addAction(sendcoins);
-    trayIconMenu->addAction(options);
-    trayIconMenu->addSeparator();
-    trayIconMenu->addAction(quit);
+#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(backupWalletAction);
+    file->addSeparator();
+    file->addAction(dumpWalletAction);
+    file->addAction(importWalletAction);
+    file->addAction(exportAction);
+    file->addAction(signMessageAction);
+    file->addAction(verifyMessageAction);
+    file->addAction(secondAuthAction);
+    file->addAction(multisigAction);
+    file->addSeparator();
+    file->addAction(quitAction);
+
+    QMenu *settings = appMenuBar->addMenu(tr("&Settings"));
+    QMenu *securityMenu = settings->addMenu(QIcon(":/icons/key"), tr("&Wallet security"));
+    securityMenu->addAction(encryptWalletAction);
+    securityMenu->addAction(changePassphraseAction);
+    securityMenu->addAction(unlockWalletAction);
+    securityMenu->addAction(unlockWalletMiningAction);
+    securityMenu->addAction(lockWalletAction);
+    settings->addAction(optionsAction);
+
+    QMenu *help = appMenuBar->addMenu(tr("&Help"));
+    help->addAction(openRPCConsoleAction);
+    help->addSeparator();
+    help->addAction(aboutAction);
+    help->addAction(aboutQtAction);
+}
+
+void BitcoinGUI::createToolBars(int nQtStyle)
+{
+    QToolBar *toolbar = addToolBar(tr("Primary tool bar"));
+    toolbar->setToolButtonStyle(Qt::ToolButtonTextUnderIcon);
+    toolbar->setMovable(false);
+    toolbar->setIconSize(QSize(32, 32));
+
+    if(!nQtStyle) {
+        toolbar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
+    } else {
+        toolbar->setToolButtonStyle(Qt::ToolButtonTextUnderIcon);
+        toolbar->setObjectName("toolbar");
+        addToolBar(Qt::LeftToolBarArea, toolbar);
+        toolbar->setOrientation(Qt::Vertical);
+    }
+
+    toolbar->addAction(overviewAction);
+    toolbar->addAction(sendCoinsAction);
+    toolbar->addAction(receiveCoinsAction);
+    toolbar->addAction(historyAction);
+    toolbar->addAction(mintingAction);
+    toolbar->addAction(addressBookAction);
+
+    QToolBar *toolbar2 = addToolBar(tr("Actions toolbar"));
+    toolbar2->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
+    toolbar2->addAction(exportAction);
+    toolbar2->setVisible(false);
+    
+}
+
+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("NovaCoin 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)));
+
+        setNumBlocks(clientModel->getNumBlocks(), clientModel->getNumBlocksOfPeers());
+        connect(clientModel, SIGNAL(numBlocksChanged(int,int)), this, SLOT(setNumBlocks(int,int)));
+
+        QTimer *timer = new QTimer(this);
+        connect(timer, SIGNAL(timeout()), this, SLOT(updateMining()));
+        timer->start(10*1000); //10 seconds
+
+        // 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);
+        secondAuthDialog->setModel(walletModel);
+        multisigPage->setModel(walletModel);
 
+        setEncryptionStatus(walletModel->getEncryptionStatus());
+        connect(walletModel, SIGNAL(encryptionStatusChanged(int)), this, SLOT(setEncryptionStatus(int)));
+        connect(walletModel, SIGNAL(encryptionStatusChanged(int)), this, SLOT(updateMining()));
+
+        // 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::createTrayIcon()
+{
+    QMenu *trayIconMenu;
+#ifndef Q_OS_MAC
     trayIcon = new QSystemTrayIcon(this);
+    trayIconMenu = new QMenu(this);
     trayIcon->setContextMenu(trayIconMenu);
+    trayIcon->setToolTip(tr("NovaCoin 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(multisigAction);
+    trayIconMenu->addAction(receiveCoinsAction);
+    trayIconMenu->addSeparator();
+    trayIconMenu->addAction(signMessageAction);
+    trayIconMenu->addAction(verifyMessageAction);
+    trayIconMenu->addAction(secondAuthAction);
+    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(QApplication::applicationName(), trayIcon, this);
 }
 
+#ifndef Q_OS_MAC
 void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 {
-    if(reason == QSystemTrayIcon::DoubleClick)
+    if(reason == QSystemTrayIcon::Trigger)
     {
-        // Doubleclick on system tray icon triggers "open bitcoin"
-        openBitcoin->trigger();
+        // Click on system tray icon triggers show/hide of the main window
+        toggleHideAction->trigger();
     }
 }
+#endif
 
-QWidget *BitcoinGUI::createTabs()
+void BitcoinGUI::optionsClicked()
 {
-    QStringList tab_labels;
-    tab_labels  << tr("All transactions")
-                << tr("Sent/Received")
-                << tr("Sent")
-                << tr("Received");
+    if(!clientModel || !clientModel->getOptionsModel())
+        return;
 
-    QTabWidget *tabs = new QTabWidget(this);
-    for(int i = 0; i < tab_labels.size(); ++i)
-    {
-        QTableView *view = new QTableView(this);
-        tabs->addTab(view, tab_labels.at(i));
+    optionsDialog->setModel(clientModel->getOptionsModel());
+    optionsDialog->setWindowModality(Qt::ApplicationModal);
+    optionsDialog->show();
+}
 
-        connect(view, SIGNAL(doubleClicked(const QModelIndex&)), this, SLOT(transactionDetails(const QModelIndex&)));
-        transactionViews.append(view);
-    }
+void BitcoinGUI::aboutClicked()
+{
+    aboutDialog->setModel(clientModel);
+    aboutDialog->setWindowModality(Qt::ApplicationModal);
+    aboutDialog->show();
+}
 
-    return tabs;
+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 NovaCoin network", "", count));
 }
 
-void BitcoinGUI::setTabsModel(QAbstractItemModel *transaction_model)
+void BitcoinGUI::setNumBlocks(int count, int nTotalBlocks)
 {
-    QStringList tab_filters;
-    tab_filters << "^."
-            << "^["+TransactionTableModel::Sent+TransactionTableModel::Received+"]"
-            << "^["+TransactionTableModel::Sent+"]"
-            << "^["+TransactionTableModel::Received+"]";
+    // don't show / hide progress bar and its label if we have no connection to the network
+    if (!clientModel || clientModel->getNumConnections() == 0)
+    {
+        progressBarLabel->setVisible(false);
+        progressBar->setVisible(false);
+
+        return;
+    }
+
+    QString strStatusBarWarnings = clientModel->getStatusBarWarnings();
+    QString tooltip;
+
+    if(count < nTotalBlocks)
+    {
+        int nRemainingBlocks = nTotalBlocks - count;
+        float nPercentageDone = count / (nTotalBlocks * 0.01f);
+
+        if (strStatusBarWarnings.isEmpty())
+        {
+            progressBarLabel->setText(tr("Synchronizing with network..."));
+            progressBarLabel->setVisible(true);
+            progressBar->setFormat(tr("~%n block(s) remaining", "", nRemainingBlocks));
+            progressBar->setMaximum(nTotalBlocks);
+            progressBar->setValue(count);
+            progressBar->setVisible(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);
+
+        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);
+    }
+
+    tooltip = tr("Current PoW difficulty is %1.").arg(clientModel->getDifficulty(false)) + QString("<br>") + tooltip;
+    tooltip = tr("Current PoS difficulty is %1.").arg(clientModel->getDifficulty(true)) + QString("<br>") + tooltip;
 
-    for(int i = 0; i < transactionViews.size(); ++i)
+    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)
     {
-        QSortFilterProxyModel *proxy_model = new QSortFilterProxyModel(this);
-        proxy_model->setSourceModel(transaction_model);
-        proxy_model->setDynamicSortFilter(true);
-        proxy_model->setFilterRole(TransactionTableModel::TypeRole);
-        proxy_model->setFilterRegExp(QRegExp(tab_filters.at(i)));
-        proxy_model->setSortRole(Qt::EditRole);
+        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));
+    }
+
+    // Set icon state: spinning if catching up, tick otherwise
+    if(secs < 90*60 && count >= nTotalBlocks)
+    {
+        tooltip = tr("Up to date") + QString(".<br>") + tooltip;
+        labelBlocksIcon->setPixmap(QIcon(":/icons/synced").pixmap(STATUSBAR_ICONSIZE, STATUSBAR_ICONSIZE));
 
-        QTableView *transaction_table = transactionViews.at(i);
-        transaction_table->setModel(proxy_model);
-        transaction_table->setSelectionBehavior(QAbstractItemView::SelectRows);
-        transaction_table->setSelectionMode(QAbstractItemView::ExtendedSelection);
-        transaction_table->setSortingEnabled(true);
-        transaction_table->sortByColumn(TransactionTableModel::Status, Qt::DescendingOrder);
-        transaction_table->verticalHeader()->hide();
+        overviewPage->showOutOfSyncWarning(false);
+    }
+    else
+    {
+        tooltip = tr("Catching up...") + QString("<br>") + tooltip;
+        labelBlocksIcon->setMovie(syncIconMovie);
+        syncIconMovie->start();
 
-        transaction_table->horizontalHeader()->resizeSection(
-                TransactionTableModel::Status, 23);
-        transaction_table->horizontalHeader()->resizeSection(
-                TransactionTableModel::Date, 120);
-        transaction_table->horizontalHeader()->setResizeMode(
-                TransactionTableModel::Description, QHeaderView::Stretch);
-        transaction_table->horizontalHeader()->resizeSection(
-                TransactionTableModel::Debit, 79);
-        transaction_table->horizontalHeader()->resizeSection(
-                TransactionTableModel::Credit, 79);
+        overviewPage->showOutOfSyncWarning(true);
     }
 
-    connect(transaction_model, SIGNAL(rowsInserted(const QModelIndex &, int, int)),
-            this, SLOT(incomingTransaction(const QModelIndex &, int, int)));
+    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::sendcoinsClicked()
+void BitcoinGUI::updateMining()
 {
-    SendCoinsDialog dlg;
-    dlg.setModel(model);
-    dlg.exec();
+   if(!walletModel)
+      return;
+
+    labelMiningIcon->setPixmap(QIcon(":/icons/mining_inactive").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
+
+    if (!clientModel->getNumConnections())
+    {
+        labelMiningIcon->setToolTip(tr("Wallet is offline"));
+        return;
+    }
+
+    if (walletModel->getEncryptionStatus() == WalletModel::Locked)
+    {
+        labelMiningIcon->setToolTip(tr("Wallet is locked"));
+        return;
+    }
+
+    if (clientModel->inInitialBlockDownload() || clientModel->getNumBlocksOfPeers() > clientModel->getNumBlocks())
+    {
+        labelMiningIcon->setToolTip(tr("Blockchain download is in progress"));
+        return;
+    }
+
+    if (nStakeInputsMapSize > 0)
+    {
+        labelMiningIcon->setPixmap(QIcon(":/icons/mining_active").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
+
+        uint64_t nNetworkWeight = clientModel->getPoSKernelPS();
+
+        labelMiningIcon->setToolTip(QString("<nobr>")+tr("Stake miner is active<br>%1 inputs being used for mining<br>Network weight is %3").arg(nStakeInputsMapSize).arg(nNetworkWeight)+QString("<\nobr>"));
+    }
+    else
+        labelMiningIcon->setToolTip(tr("No suitable inputs were found"));
 }
 
-void BitcoinGUI::addressbookClicked()
+void BitcoinGUI::message(const QString &title, const QString &message, unsigned int style, const QString &detail)
 {
-    AddressBookDialog dlg(AddressBookDialog::ForEditing);
-    dlg.setModel(model->getAddressTableModel());
-    dlg.setTab(AddressBookDialog::SendingTab);
-    dlg.exec();
+    QString strTitle = tr("NovaCoin") + " - ";
+    // Default to information icon
+    int nMBoxIcon = QMessageBox::Information;
+    int nNotifyIcon = Notificator::Information;
+
+
+    // Check for usage of predefined title
+    switch (style) {
+    case CClientUIInterface::MSG_ERROR:
+        strTitle += tr("Error");
+        break;
+    case CClientUIInterface::MSG_WARNING:
+        strTitle += tr("Warning");
+        break;
+    case CClientUIInterface::MSG_INFORMATION:
+        strTitle += tr("Information");
+        break;
+    default:
+        strTitle += title; // Use supplied title
+    }
+
+    // Check for error/warning icon
+    if (style & CClientUIInterface::ICON_ERROR) {
+        nMBoxIcon = QMessageBox::Critical;
+        nNotifyIcon = Notificator::Critical;
+    }
+    else if (style & CClientUIInterface::ICON_WARNING) {
+        nMBoxIcon = QMessageBox::Warning;
+        nNotifyIcon = Notificator::Warning;
+    }
+
+    // Display message
+    if (style & CClientUIInterface::MODAL) {
+        // Check for buttons, use OK as default, if none was supplied
+        QMessageBox::StandardButton buttons;
+        buttons = QMessageBox::Ok;
+
+        QMessageBox mBox((QMessageBox::Icon)nMBoxIcon, strTitle, message, buttons);
+
+        if(!detail.isEmpty()) { mBox.setDetailedText(detail); }
+
+        mBox.exec();
+    }
+    else
+        notificator->notify((Notificator::Class)nNotifyIcon, strTitle, message);
 }
 
-void BitcoinGUI::receivingAddressesClicked()
+
+void BitcoinGUI::changeEvent(QEvent *e)
 {
-    AddressBookDialog dlg(AddressBookDialog::ForEditing);
-    dlg.setModel(model->getAddressTableModel());
-    dlg.setTab(AddressBookDialog::ReceivingTab);
-    dlg.exec();
+    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::optionsClicked()
+void BitcoinGUI::closeEvent(QCloseEvent *event)
 {
-    OptionsDialog dlg;
-    dlg.setModel(model->getOptionsModel());
-    dlg.exec();
+    if(clientModel)
+    {
+#ifndef Q_OS_MAC // Ignored on Mac
+        if(!clientModel->getOptionsModel()->getMinimizeOnClose())
+        {
+            qApp->quit();
+        }
+#endif
+    }
+    // close rpcConsole in case it was open to make some space for the shutdown window
+    rpcConsole->close();
+
+    QMainWindow::closeEvent(event);
 }
 
-void BitcoinGUI::aboutClicked()
+void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 {
-    AboutDialog dlg;
-    dlg.exec();
+    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::newAddressClicked()
+void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 {
-    EditAddressDialog dlg(EditAddressDialog::NewReceivingAddress);
-    dlg.setModel(model->getAddressTableModel());
-    if(dlg.exec())
+    if(!walletModel || !clientModel)
+        return;
+    TransactionTableModel *ttm = walletModel->getTransactionTableModel();
+    qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
+                    .data(Qt::EditRole).toULongLong();
+    if(!clientModel->inInitialBlockDownload())
     {
-        QString newAddress = dlg.saveCurrentRow();
-        // Set returned address as new default addres
-        if(!newAddress.isEmpty())
-        {
-            model->setAddress(newAddress);
-        }
+        // 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::copyClipboardClicked()
+void BitcoinGUI::gotoOverviewPage()
 {
-    // Copy text in address to clipboard
-    QApplication::clipboard()->setText(address->text());
+    overviewAction->setChecked(true);
+    centralWidget->setCurrentWidget(overviewPage);
+
+    exportAction->setEnabled(false);
+    disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 }
 
-void BitcoinGUI::setBalance(qint64 balance)
+void BitcoinGUI::gotoHistoryPage()
 {
-    labelBalance->setText(QString::fromStdString(FormatMoney(balance)));
+    historyAction->setChecked(true);
+    centralWidget->setCurrentWidget(transactionsPage);
+
+    exportAction->setEnabled(true);
+    disconnect(exportAction, SIGNAL(triggered()), 0, 0);
+    connect(exportAction, SIGNAL(triggered()), transactionView, SLOT(exportClicked()));
 }
 
-void BitcoinGUI::setAddress(const QString &addr)
+void BitcoinGUI::gotoMintingPage()
 {
-    address->setText(addr);
+    mintingAction->setChecked(true);
+    centralWidget->setCurrentWidget(mintingPage);
+
+    exportAction->setEnabled(true);
+    disconnect(exportAction, SIGNAL(triggered()), 0, 0);
+    connect(exportAction, SIGNAL(triggered()), mintingView, SLOT(exportClicked()));
 }
 
-void BitcoinGUI::setNumConnections(int count)
+
+void BitcoinGUI::gotoAddressBookPage()
 {
-    QString icon;
-    switch(count)
-    {
-    case 0: icon = ":/icons/connect0"; break;
-    case 1: icon = ":/icons/connect1"; break;
-    case 2: icon = ":/icons/connect2"; break;
-    case 3: icon = ":/icons/connect3"; break;
-    default: icon = ":/icons/connect4"; break;
-    }
-    labelConnections->setTextFormat(Qt::RichText);
-    labelConnections->setText("<img src=\""+icon+"\"> " + QLocale::system().toString(count)+" "+tr("connection(s)", "", count));
+    addressBookAction->setChecked(true);
+    centralWidget->setCurrentWidget(addressBookPage);
+
+    exportAction->setEnabled(true);
+    disconnect(exportAction, SIGNAL(triggered()), 0, 0);
+    connect(exportAction, SIGNAL(triggered()), addressBookPage, SLOT(exportClicked()));
 }
 
-void BitcoinGUI::setNumBlocks(int count)
+void BitcoinGUI::gotoReceiveCoinsPage()
 {
-    labelBlocks->setText(QLocale::system().toString(count)+" "+tr("block(s)", "", count));
+    receiveCoinsAction->setChecked(true);
+    centralWidget->setCurrentWidget(receiveCoinsPage);
+
+    exportAction->setEnabled(true);
+    disconnect(exportAction, SIGNAL(triggered()), 0, 0);
+    connect(exportAction, SIGNAL(triggered()), receiveCoinsPage, SLOT(exportClicked()));
 }
 
-void BitcoinGUI::setNumTransactions(int count)
+void BitcoinGUI::gotoSendCoinsPage()
 {
-    labelTransactions->setText(QLocale::system().toString(count)+" "+tr("transaction(s)", "", count));
+    sendCoinsAction->setChecked(true);
+    centralWidget->setCurrentWidget(sendCoinsPage);
+
+    exportAction->setEnabled(false);
+    disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 }
 
-void BitcoinGUI::error(const QString &title, const QString &message)
+void BitcoinGUI::gotoSignMessageTab(QString addr)
 {
-    // Report errors from network/worker thread
-    if(trayIcon->supportsMessages())
+    // 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::gotoSecondAuthPage(QString addr)
+{
+    secondAuthDialog->show();
+    secondAuthDialog->raise();
+    secondAuthDialog->activateWindow();
+}
+
+void BitcoinGUI::gotoMultisigPage()
+{
+    multisigPage->show();
+    multisigPage->raise();
+    multisigPage->activateWindow();
+}
+
+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 NovaCoin address or malformed URI parameters."));
+    }
+
+    event->acceptProposedAction();
+}
+
+void BitcoinGUI::handleURI(QString strURI)
+{
+    // URI has to be valid
+    if (sendCoinsPage->handleURI(strURI))
     {
-        // Show as "balloon" message if possible
-        trayIcon->showMessage(title, message, QSystemTrayIcon::Critical);
+        showNormalIfMinimized();
+        gotoSendCoinsPage();
     }
     else
+        notificator->notify(Notificator::Warning, tr("URI handling"), tr("URI can not be parsed! This can be caused by an invalid NovaCoin address or malformed URI parameters."));
+}
+
+void BitcoinGUI::setEncryptionStatus(int status)
+{
+    switch(status)
     {
-        // Fall back to old fashioned popup dialog if not
-        QMessageBox::critical(this, title,
-            message,
-            QMessageBox::Ok, QMessageBox::Ok);
+    case WalletModel::Unencrypted:
+        labelEncryptionIcon->hide();
+        encryptWalletAction->setChecked(false);
+        changePassphraseAction->setEnabled(false);
+        lockWalletAction->setEnabled(false);
+        unlockWalletAction->setEnabled(false);
+        unlockWalletMiningAction->setEnabled(false);
+        encryptWalletAction->setEnabled(true);
+        break;
+    case WalletModel::Unlocked:
+        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>"));
+        encryptWalletAction->setChecked(true);
+        changePassphraseAction->setEnabled(true);
+        encryptWalletAction->setEnabled(true);
+
+        lockWalletAction->setEnabled(true);
+        lockWalletAction->setChecked(false);
+        unlockWalletAction->setEnabled(false);
+        unlockWalletMiningAction->setEnabled(false);
+
+        if (fWalletUnlockMintOnly)
+            unlockWalletMiningAction->setChecked(true);
+        else
+            unlockWalletAction->setChecked(true);
+
+        break;
+    case WalletModel::Locked:
+        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>"));
+        encryptWalletAction->setChecked(true);
+        changePassphraseAction->setEnabled(true);
+        encryptWalletAction->setEnabled(true);
+
+        lockWalletAction->setChecked(true);
+        unlockWalletAction->setChecked(false);
+        unlockWalletMiningAction->setChecked(false);
+
+        lockWalletAction->setEnabled(false);
+        unlockWalletAction->setEnabled(true);
+        unlockWalletMiningAction->setEnabled(true);
+        break;
     }
 }
 
-void BitcoinGUI::changeEvent(QEvent *e)
+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::unlockWalletMining(bool status)
 {
-    if (e->type() == QEvent::WindowStateChange)
+    if(!walletModel)
+        return;
+
+    // Unlock wallet when requested by wallet model
+    if(walletModel->getEncryptionStatus() == WalletModel::Locked)
     {
-        if(model->getOptionsModel()->getMinimizeToTray())
-        {
-            if (isMinimized())
-            {
-                hide();
-                e->ignore();
-            }
-            else
-            {
-                e->accept();
-            }
+        AskPassphraseDialog dlg(AskPassphraseDialog::UnlockMining, this);
+        dlg.setModel(walletModel);
+        dlg.exec();
+    }
+}
+
+void BitcoinGUI::backupWallet()
+{
+#if QT_VERSION < 0x050000
+    QString saveDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
+#else
+    QString saveDir = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
+#endif
+    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."));
         }
     }
-    QMainWindow::changeEvent(e);
 }
 
-void BitcoinGUI::closeEvent(QCloseEvent *event)
+void BitcoinGUI::dumpWallet()
 {
-    if(!model->getOptionsModel()->getMinimizeToTray() &&
-       !model->getOptionsModel()->getMinimizeOnClose())
-    {
-        qApp->quit();
+   if(!walletModel)
+      return;
+
+   WalletModel::UnlockContext ctx(walletModel->requestUnlock());
+   if(!ctx.isValid())
+   {
+       // Unlock wallet failed or was cancelled
+       return;
+   }
+
+#if QT_VERSION < 0x050000
+    QString saveDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
+#else
+    QString saveDir = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
+#endif
+    QString filename = QFileDialog::getSaveFileName(this, tr("Dump Wallet"), saveDir, tr("Wallet dump (*.txt)"));
+    if(!filename.isEmpty()) {
+        if(!walletModel->dumpWallet(filename)) {
+            message(tr("Dump failed"),
+                         tr("An error happened while trying to save the keys to your location.\n"
+                            "Keys were not saved.")
+                      ,CClientUIInterface::MSG_ERROR);
+        }
+        else
+          message(tr("Dump successful"),
+                       tr("Keys were saved to this file:\n%2")
+                       .arg(filename)
+                      ,CClientUIInterface::MSG_INFORMATION);
     }
-    QMainWindow::closeEvent(event);
 }
 
-void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
+void BitcoinGUI::importWallet()
 {
-    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(QString::fromStdString(FormatMoney(nFeeRequired)));
-    QMessageBox::StandardButton retval = QMessageBox::question(
-          this, tr("Sending..."), strMessage,
-          QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
-    *payFee = (retval == QMessageBox::Yes);
+   if(!walletModel)
+      return;
+
+   WalletModel::UnlockContext ctx(walletModel->requestUnlock());
+   if(!ctx.isValid())
+   {
+       // Unlock wallet failed or was cancelled
+       return;
+   }
+
+#if QT_VERSION < 0x050000
+    QString openDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
+#else
+    QString openDir = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
+#endif
+    QString filename = QFileDialog::getOpenFileName(this, tr("Import Wallet"), openDir, tr("Wallet dump (*.txt)"));
+    if(!filename.isEmpty()) {
+        if(!walletModel->importWallet(filename)) {
+            message(tr("Import Failed"),
+                         tr("An error happened while trying to import the keys.\n"
+                            "Some or all keys from:\n %1,\n were not imported into your wallet.")
+                         .arg(filename)
+                      ,CClientUIInterface::MSG_ERROR);
+        }
+        else
+          message(tr("Import Successful"),
+                       tr("All keys from:\n %1,\n were imported into your wallet.")
+                       .arg(filename)
+                      ,CClientUIInterface::MSG_INFORMATION);
+    }
 }
 
-void BitcoinGUI::transactionDetails(const QModelIndex& idx)
+
+void BitcoinGUI::changePassphrase()
 {
-    /* A transaction is doubleclicked */
-    TransactionDescDialog dlg(idx);
+    AskPassphraseDialog dlg(AskPassphraseDialog::ChangePass, this);
+    dlg.setModel(walletModel);
     dlg.exec();
 }
 
-void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
+void BitcoinGUI::unlockWallet()
 {
-    TransactionTableModel *ttm = model->getTransactionTableModel();
-    qint64 credit = ttm->index(start, TransactionTableModel::Credit, parent)
-                    .data(Qt::EditRole).toULongLong();
-    qint64 debit = ttm->index(start, TransactionTableModel::Debit, parent)
-                    .data(Qt::EditRole).toULongLong();
-    if((credit+debit)>0)
+    if(!walletModel)
+        return;
+    // Unlock wallet when requested by wallet model
+    if(walletModel->getEncryptionStatus() == WalletModel::Locked)
     {
-        /* On incoming transaction, make an info balloon */
-        QString date = ttm->index(start, TransactionTableModel::Date, parent)
-                        .data().toString();
-        QString description = ttm->index(start, TransactionTableModel::Description, parent)
-                        .data().toString();
+        AskPassphraseDialog dlg(AskPassphraseDialog::Unlock, this);
+        dlg.setModel(walletModel);
+        dlg.exec();
+    }
+}
+
+void BitcoinGUI::lockWallet()
+{
+    if(!walletModel)
+        return;
 
-        trayIcon->showMessage(tr("Incoming transaction"),
-                              "Date: " + date + "\n" +
-                              "Amount: " + QString::fromStdString(FormatMoney(credit+debit, true)) + "\n" +
-                              description,
-                              QSystemTrayIcon::Information);
+    walletModel->setWalletLocked(true);
+}
+
+void BitcoinGUI::showNormalIfMinimized(bool fToggleHidden)
+{
+    // activateWindow() (sometimes) helps with keyboard focus on Windows
+    if (isHidden())
+    {
+        // Make sure the window is not minimized
+        setWindowState(windowState() & (~Qt::WindowMinimized | Qt::WindowActive));
+        // Then show it
+        show();
+        raise();
+        activateWindow();
+    }
+    else if (isMinimized())
+    {
+        showNormal();
+        raise();
+        activateWindow();
+    }
+    else if (GUIUtil::isObscured(this))
+    {
+        raise();
+        activateWindow();
+        if(fToggleHidden)
+        {
+            Sleep(1);
+            if (GUIUtil::isObscured(this))
+                hide();
+        }
+    }
+    else if(fToggleHidden)
+        hide();
+}
+
+void BitcoinGUI::toggleHidden()
+{
+    showNormalIfMinimized(true);
+}
+
+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);
     }
 }